/*
|
/*
|
* linux/arch/m68k/amiga/amifb.c -- Low level implementation of the Amiga frame
|
* linux/arch/m68k/amiga/amifb.c -- Low level implementation of the Amiga frame
|
* buffer device
|
* buffer device
|
*
|
*
|
* Copyright (C) 1995 Geert Uytterhoeven
|
* Copyright (C) 1995 Geert Uytterhoeven
|
*
|
*
|
*
|
*
|
* This file is based on the Atari frame buffer device (atafb.c):
|
* This file is based on the Atari frame buffer device (atafb.c):
|
*
|
*
|
* Copyright (C) 1994 Martin Schaller
|
* Copyright (C) 1994 Martin Schaller
|
* Roman Hodek
|
* Roman Hodek
|
*
|
*
|
* with work by Andreas Schwab
|
* with work by Andreas Schwab
|
* Guenther Kelleter
|
* Guenther Kelleter
|
*
|
*
|
* and on the original Amiga console driver (amicon.c):
|
* and on the original Amiga console driver (amicon.c):
|
*
|
*
|
* Copyright (C) 1993 Hamish Macdonald
|
* Copyright (C) 1993 Hamish Macdonald
|
* Greg Harp
|
* Greg Harp
|
* Copyright (C) 1994 David Carter [carter@compsci.bristol.ac.uk]
|
* Copyright (C) 1994 David Carter [carter@compsci.bristol.ac.uk]
|
*
|
*
|
* with work by William Rucklidge (wjr@cs.cornell.edu)
|
* with work by William Rucklidge (wjr@cs.cornell.edu)
|
* Geert Uytterhoeven
|
* Geert Uytterhoeven
|
* Jes Sorensen (jds@kom.auc.dk)
|
* Jes Sorensen (jds@kom.auc.dk)
|
*
|
*
|
*
|
*
|
* History:
|
* History:
|
*
|
*
|
* - 2 Dec 95: AGA version by Geert Uytterhoeven
|
* - 2 Dec 95: AGA version by Geert Uytterhoeven
|
*
|
*
|
*
|
*
|
* This file is subject to the terms and conditions of the GNU General Public
|
* This file is subject to the terms and conditions of the GNU General Public
|
* License. See the file COPYING in the main directory of this archive
|
* License. See the file COPYING in the main directory of this archive
|
* for more details.
|
* for more details.
|
*/
|
*/
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|
|
|
|
#include <linux/kernel.h>
|
#include <linux/kernel.h>
|
#include <linux/errno.h>
|
#include <linux/errno.h>
|
#include <linux/string.h>
|
#include <linux/string.h>
|
#include <linux/mm.h>
|
#include <linux/mm.h>
|
#include <linux/tty.h>
|
#include <linux/tty.h>
|
#include <linux/malloc.h>
|
#include <linux/malloc.h>
|
#include <linux/delay.h>
|
#include <linux/delay.h>
|
#include <linux/config.h>
|
#include <linux/config.h>
|
#include <linux/interrupt.h>
|
#include <linux/interrupt.h>
|
#include <asm/segment.h>
|
#include <asm/segment.h>
|
#include <asm/system.h>
|
#include <asm/system.h>
|
#include <asm/irq.h>
|
#include <asm/irq.h>
|
#include <asm/amigahw.h>
|
#include <asm/amigahw.h>
|
#include <asm/amigaints.h>
|
#include <asm/amigaints.h>
|
#include <asm/bootinfo.h>
|
#include <asm/bootinfo.h>
|
#include <linux/fb.h>
|
#include <linux/fb.h>
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|
|
|
|
#undef CONFIG_AMIFB_OCS
|
#undef CONFIG_AMIFB_OCS
|
#undef CONFIG_AMIFB_ECS
|
#undef CONFIG_AMIFB_ECS
|
#define CONFIG_AMIFB_AGA /* Only AGA support at the moment */
|
#define CONFIG_AMIFB_AGA /* Only AGA support at the moment */
|
|
|
#define USE_MONO_AMIFB_IF_NON_AGA
|
#define USE_MONO_AMIFB_IF_NON_AGA
|
|
|
|
|
/* -------------------- BEGIN: TODO ----------------------------------------- **
|
/* -------------------- BEGIN: TODO ----------------------------------------- **
|
|
|
|
|
- scan the sources for `TODO'
|
- scan the sources for `TODO'
|
|
|
- timings and monspecs can be set via the kernel command line (cfr. Atari)
|
- timings and monspecs can be set via the kernel command line (cfr. Atari)
|
|
|
- OCS and ECS
|
- OCS and ECS
|
|
|
- hardware cursor
|
- hardware cursor
|
|
|
- Interlaced screen -> Interlaced sprite/hardware cursor
|
- Interlaced screen -> Interlaced sprite/hardware cursor
|
|
|
|
|
** -------------------- END: TODO ------------------------------------------- */
|
** -------------------- END: TODO ------------------------------------------- */
|
|
|
|
|
/*******************************************************************************
|
/*******************************************************************************
|
|
|
|
|
Generic video timings
|
Generic video timings
|
---------------------
|
---------------------
|
|
|
Timings used by the frame buffer interface:
|
Timings used by the frame buffer interface:
|
|
|
+----------+---------------------------------------------+----------+-------+
|
+----------+---------------------------------------------+----------+-------+
|
| | ^ | | |
|
| | ^ | | |
|
| | |upper_margin | | |
|
| | |upper_margin | | |
|
| | ¥ | | |
|
| | ¥ | | |
|
+----------###############################################----------+-------+
|
+----------###############################################----------+-------+
|
| # ^ # | |
|
| # ^ # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| left # | # right | hsync |
|
| left # | # right | hsync |
|
| margin # | xres # margin | len |
|
| margin # | xres # margin | len |
|
|<-------->#<---------------+--------------------------->#<-------->|<----->|
|
|<-------->#<---------------+--------------------------->#<-------->|<----->|
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # |yres # | |
|
| # |yres # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # | # | |
|
| # ¥ # | |
|
| # ¥ # | |
|
+----------###############################################----------+-------+
|
+----------###############################################----------+-------+
|
| | ^ | | |
|
| | ^ | | |
|
| | |lower_margin | | |
|
| | |lower_margin | | |
|
| | ¥ | | |
|
| | ¥ | | |
|
+----------+---------------------------------------------+----------+-------+
|
+----------+---------------------------------------------+----------+-------+
|
| | ^ | | |
|
| | ^ | | |
|
| | |vsync_len | | |
|
| | |vsync_len | | |
|
| | ¥ | | |
|
| | ¥ | | |
|
+----------+---------------------------------------------+----------+-------+
|
+----------+---------------------------------------------+----------+-------+
|
|
|
|
|
Amiga video timings
|
Amiga video timings
|
-------------------
|
-------------------
|
|
|
The Amiga native chipsets uses another timing scheme:
|
The Amiga native chipsets uses another timing scheme:
|
|
|
- hsstrt: Start of horizontal synchronization pulse
|
- hsstrt: Start of horizontal synchronization pulse
|
- hsstop: End of horizontal synchronization pulse
|
- hsstop: End of horizontal synchronization pulse
|
- htotal: Last value on the line (i.e. line length = htotal+1)
|
- htotal: Last value on the line (i.e. line length = htotal+1)
|
- vsstrt: Start of vertical synchronization pulse
|
- vsstrt: Start of vertical synchronization pulse
|
- vsstop: Start of vertical synchronization pulse
|
- vsstop: Start of vertical synchronization pulse
|
- vtotal: Last line value (i.e. number of lines = vtotal+1)
|
- vtotal: Last line value (i.e. number of lines = vtotal+1)
|
- hcenter: Start of vertical retrace for interlace
|
- hcenter: Start of vertical retrace for interlace
|
|
|
You can specify the blanking timings independently. Currently I just set
|
You can specify the blanking timings independently. Currently I just set
|
them equal to the respective synchronization values:
|
them equal to the respective synchronization values:
|
|
|
- hbstrt: Start of horizontal blank
|
- hbstrt: Start of horizontal blank
|
- hbstop: End of horizontal blank
|
- hbstop: End of horizontal blank
|
- vbstrt: Start of vertical blank
|
- vbstrt: Start of vertical blank
|
- vbstop: Start of vertical blank
|
- vbstop: Start of vertical blank
|
|
|
Horizontal values are in color clock cycles (280 ns), vertical values are in
|
Horizontal values are in color clock cycles (280 ns), vertical values are in
|
scanlines.
|
scanlines.
|
|
|
(0, 0) is somewhere in the upper-left corner :-)
|
(0, 0) is somewhere in the upper-left corner :-)
|
|
|
|
|
Amiga visible window definitions
|
Amiga visible window definitions
|
--------------------------------
|
--------------------------------
|
|
|
Currently I only have values for AGA, SHRES (28 MHz dotclock). Feel free to
|
Currently I only have values for AGA, SHRES (28 MHz dotclock). Feel free to
|
make corrections and/or additions.
|
make corrections and/or additions.
|
|
|
Within the above synchronization specifications, the visible window is
|
Within the above synchronization specifications, the visible window is
|
defined by the following parameters (actual register resolutions may be
|
defined by the following parameters (actual register resolutions may be
|
different; all horizontal values are normalized with respect to the pixel
|
different; all horizontal values are normalized with respect to the pixel
|
clock):
|
clock):
|
|
|
- diwstrt_h: Horizontal start of the visible window
|
- diwstrt_h: Horizontal start of the visible window
|
- diwstop_h: Horizontal stop+1(*) of the visible window
|
- diwstop_h: Horizontal stop+1(*) of the visible window
|
- diwstrt_v: Vertical start of the visible window
|
- diwstrt_v: Vertical start of the visible window
|
- diwstop_v: Vertical stop of the visible window
|
- diwstop_v: Vertical stop of the visible window
|
- ddfstrt: Horizontal start of display DMA
|
- ddfstrt: Horizontal start of display DMA
|
- ddfstop: Horizontal stop of display DMA
|
- ddfstop: Horizontal stop of display DMA
|
- hscroll: Horizontal display output delay
|
- hscroll: Horizontal display output delay
|
|
|
Sprite positioning:
|
Sprite positioning:
|
|
|
- sprstrt_h: Horizontal start-4 of sprite
|
- sprstrt_h: Horizontal start-4 of sprite
|
- sprstrt_v: Vertical start of sprite
|
- sprstrt_v: Vertical start of sprite
|
|
|
(*) Even Commodore did it wrong in the AGA monitor drivers by not adding 1.
|
(*) Even Commodore did it wrong in the AGA monitor drivers by not adding 1.
|
|
|
Horizontal values are in dotclock cycles (35 ns), vertical values are in
|
Horizontal values are in dotclock cycles (35 ns), vertical values are in
|
scanlines.
|
scanlines.
|
|
|
(0, 0) is somewhere in the upper-left corner :-)
|
(0, 0) is somewhere in the upper-left corner :-)
|
|
|
|
|
Dependencies (AGA, SHRES (35 ns dotclock))
|
Dependencies (AGA, SHRES (35 ns dotclock))
|
-------------------------------------------
|
-------------------------------------------
|
|
|
Since there are much more parameters for the Amiga display than for the
|
Since there are much more parameters for the Amiga display than for the
|
frame buffer interface, there must be some dependencies among the Amiga display
|
frame buffer interface, there must be some dependencies among the Amiga display
|
parameters. Here's what I found out:
|
parameters. Here's what I found out:
|
|
|
- ddfstrt and ddfstop are best aligned to 64 pixels.
|
- ddfstrt and ddfstop are best aligned to 64 pixels.
|
- the chipset needs 64+4 horizontal pixels after the DMA start before the
|
- the chipset needs 64+4 horizontal pixels after the DMA start before the
|
first pixel is output, so diwstrt_h = ddfstrt+64+4 if you want to
|
first pixel is output, so diwstrt_h = ddfstrt+64+4 if you want to
|
display the first pixel on the line too. Increase diwstrt_h for virtual
|
display the first pixel on the line too. Increase diwstrt_h for virtual
|
screen panning.
|
screen panning.
|
- the display DMA always fetches 64 pixels at a time (*).
|
- the display DMA always fetches 64 pixels at a time (*).
|
- ddfstop is ddfstrt+#pixels-64.
|
- ddfstop is ddfstrt+#pixels-64.
|
- diwstop_h = diwstrt_h+xres+1. Because of the additional 1 this can be 1
|
- diwstop_h = diwstrt_h+xres+1. Because of the additional 1 this can be 1
|
more than htotal.
|
more than htotal.
|
- hscroll simply adds a delay to the display output. Smooth horizontal
|
- hscroll simply adds a delay to the display output. Smooth horizontal
|
panning needs an extra 64 pixels on the left to prefetch the pixels that
|
panning needs an extra 64 pixels on the left to prefetch the pixels that
|
`fall off' on the left.
|
`fall off' on the left.
|
- if ddfstrt < 192, the sprite DMA cycles are all stolen by the bitplane
|
- if ddfstrt < 192, the sprite DMA cycles are all stolen by the bitplane
|
DMA, so it's best to make the DMA start as late as possible.
|
DMA, so it's best to make the DMA start as late as possible.
|
- you really don't want to make ddfstrt < 128, since this will steal DMA
|
- you really don't want to make ddfstrt < 128, since this will steal DMA
|
cycles from the other DMA channels (audio, floppy and Chip RAM refresh).
|
cycles from the other DMA channels (audio, floppy and Chip RAM refresh).
|
- I make diwstop_h and diwstop_v as large as possible.
|
- I make diwstop_h and diwstop_v as large as possible.
|
|
|
(*) This is for fmode = 3. Lower fmodes allow for more freedom w.r.t. the
|
(*) This is for fmode = 3. Lower fmodes allow for more freedom w.r.t. the
|
timings, but they limit the maximum display depth, and cause more stress
|
timings, but they limit the maximum display depth, and cause more stress
|
on the custom chip bus.
|
on the custom chip bus.
|
|
|
|
|
DMA priorities
|
DMA priorities
|
--------------
|
--------------
|
|
|
Since there are limits on the earliest start value for display DMA and the
|
Since there are limits on the earliest start value for display DMA and the
|
display of sprites, I use the following policy on horizontal panning and
|
display of sprites, I use the following policy on horizontal panning and
|
the hardware cursor:
|
the hardware cursor:
|
|
|
- if you want to start display DMA too early, you loose the ability to
|
- if you want to start display DMA too early, you loose the ability to
|
do smooth horizontal panning (xpanstep 1 -> 64).
|
do smooth horizontal panning (xpanstep 1 -> 64).
|
- if you want to go even further, you loose the hardware cursor too.
|
- if you want to go even further, you loose the hardware cursor too.
|
|
|
IMHO a hardware cursor is more important for X than horizontal scrolling,
|
IMHO a hardware cursor is more important for X than horizontal scrolling,
|
so that's my motivation.
|
so that's my motivation.
|
|
|
|
|
Implementation
|
Implementation
|
--------------
|
--------------
|
|
|
aga_decode_var() converts the frame buffer values to the Amiga values. It's
|
aga_decode_var() converts the frame buffer values to the Amiga values. It's
|
just a `straightforward' implementation of the above rules.
|
just a `straightforward' implementation of the above rules.
|
|
|
|
|
Standard VGA timings
|
Standard VGA timings
|
--------------------
|
--------------------
|
|
|
xres yres left right upper lower hsync vsync
|
xres yres left right upper lower hsync vsync
|
---- ---- ---- ----- ----- ----- ----- -----
|
---- ---- ---- ----- ----- ----- ----- -----
|
80x25 720 400 27 45 35 12 108 2
|
80x25 720 400 27 45 35 12 108 2
|
80x30 720 480 27 45 30 9 108 2
|
80x30 720 480 27 45 30 9 108 2
|
|
|
These were taken from a XFree86 configuration file, recalculated for a 28 MHz
|
These were taken from a XFree86 configuration file, recalculated for a 28 MHz
|
dotclock (Amigas don't have a 25 MHz dotclock) and converted to frame buffer
|
dotclock (Amigas don't have a 25 MHz dotclock) and converted to frame buffer
|
generic timings.
|
generic timings.
|
|
|
As a comparison, graphics/monitor.h suggests the following:
|
As a comparison, graphics/monitor.h suggests the following:
|
|
|
xres yres left right upper lower hsync vsync
|
xres yres left right upper lower hsync vsync
|
---- ---- ---- ----- ----- ----- ----- -----
|
---- ---- ---- ----- ----- ----- ----- -----
|
|
|
VGA 640 480 52 112 24 19 112 - 2 +
|
VGA 640 480 52 112 24 19 112 - 2 +
|
VGA70 640 400 52 112 27 21 112 - 2 -
|
VGA70 640 400 52 112 27 21 112 - 2 -
|
|
|
|
|
Sync polarities
|
Sync polarities
|
---------------
|
---------------
|
|
|
VSYNC HSYNC Vertical size Vertical total
|
VSYNC HSYNC Vertical size Vertical total
|
----- ----- ------------- --------------
|
----- ----- ------------- --------------
|
+ + Reserved Reserved
|
+ + Reserved Reserved
|
+ - 400 414
|
+ - 400 414
|
- + 350 362
|
- + 350 362
|
- - 480 496
|
- - 480 496
|
|
|
Source: CL-GD542X Technical Reference Manual, Cirrus Logic, Oct 1992
|
Source: CL-GD542X Technical Reference Manual, Cirrus Logic, Oct 1992
|
|
|
|
|
Broadcast video timings
|
Broadcast video timings
|
-----------------------
|
-----------------------
|
|
|
Since broadcast video timings are `fixed' and only depend on the video
|
Since broadcast video timings are `fixed' and only depend on the video
|
system (PAL/NTSC), hsync_len and vsync_len are not used and must be set to
|
system (PAL/NTSC), hsync_len and vsync_len are not used and must be set to
|
zero. All xres/yres and margin values are defined within the `visible
|
zero. All xres/yres and margin values are defined within the `visible
|
rectangle' of the display.
|
rectangle' of the display.
|
|
|
According to the CCIR and RETMA specifications, we have the following values:
|
According to the CCIR and RETMA specifications, we have the following values:
|
|
|
CCIR -> PAL
|
CCIR -> PAL
|
-----------
|
-----------
|
|
|
- a scanline is 64 µs long, of which 52.48 µs are visible. This is about
|
- a scanline is 64 µs long, of which 52.48 µs are visible. This is about
|
736 visible 70 ns pixels per line.
|
736 visible 70 ns pixels per line.
|
- we have 625 scanlines, of which 575 are visible (interlaced); after
|
- we have 625 scanlines, of which 575 are visible (interlaced); after
|
rounding this becomes 576.
|
rounding this becomes 576.
|
|
|
RETMA -> NTSC
|
RETMA -> NTSC
|
-------------
|
-------------
|
|
|
- a scanline is 63.5 µs long, of which 53.5 µs are visible. This is about
|
- a scanline is 63.5 µs long, of which 53.5 µs are visible. This is about
|
736 visible 70 ns pixels per line.
|
736 visible 70 ns pixels per line.
|
- we have 525 scanlines, of which 485 are visible (interlaced); after
|
- we have 525 scanlines, of which 485 are visible (interlaced); after
|
rounding this becomes 484.
|
rounding this becomes 484.
|
|
|
Thus if you want a PAL compatible display, you have to do the following:
|
Thus if you want a PAL compatible display, you have to do the following:
|
|
|
- set the FB_SYNC_BROADCAST flag to indicate that standard broadcast
|
- set the FB_SYNC_BROADCAST flag to indicate that standard broadcast
|
timings are to be used.
|
timings are to be used.
|
- make sure upper_margin+yres+lower_margin = 576 for an interlaced, 288
|
- make sure upper_margin+yres+lower_margin = 576 for an interlaced, 288
|
for a non-interlaced and 144 for a doublescanned display.
|
for a non-interlaced and 144 for a doublescanned display.
|
- make sure (left_margin+xres+right_margin)*pixclock is a reasonable
|
- make sure (left_margin+xres+right_margin)*pixclock is a reasonable
|
approximation to 52.48 µs.
|
approximation to 52.48 µs.
|
|
|
The settings for a NTSC compatible display are straightforward.
|
The settings for a NTSC compatible display are straightforward.
|
|
|
Note that in a strict sense the PAL and NTSC standards only define the
|
Note that in a strict sense the PAL and NTSC standards only define the
|
encoding of the color part (chrominance) of the video signal and don't say
|
encoding of the color part (chrominance) of the video signal and don't say
|
anything about horizontal/vertical synchronization nor refresh rates.
|
anything about horizontal/vertical synchronization nor refresh rates.
|
But since Amigas have RGB output, this issue isn't of any importance here.
|
But since Amigas have RGB output, this issue isn't of any importance here.
|
|
|
|
|
-- Geert --
|
-- Geert --
|
|
|
*******************************************************************************/
|
*******************************************************************************/
|
|
|
|
|
/*
|
/*
|
* Custom Chipset Definitions
|
* Custom Chipset Definitions
|
*/
|
*/
|
|
|
#define CUSTOM_OFS(fld) ((long)&((struct CUSTOM*)0)->fld)
|
#define CUSTOM_OFS(fld) ((long)&((struct CUSTOM*)0)->fld)
|
|
|
|
|
/*
|
/*
|
* BPLCON0 -- Bitplane Control Register 0
|
* BPLCON0 -- Bitplane Control Register 0
|
*/
|
*/
|
|
|
#define BPC0_HIRES (0x8000)
|
#define BPC0_HIRES (0x8000)
|
#define BPC0_BPU2 (0x4000) /* Bit plane used count */
|
#define BPC0_BPU2 (0x4000) /* Bit plane used count */
|
#define BPC0_BPU1 (0x2000)
|
#define BPC0_BPU1 (0x2000)
|
#define BPC0_BPU0 (0x1000)
|
#define BPC0_BPU0 (0x1000)
|
#define BPC0_HAM (0x0800) /* HAM mode */
|
#define BPC0_HAM (0x0800) /* HAM mode */
|
#define BPC0_DPF (0x0400) /* Double playfield */
|
#define BPC0_DPF (0x0400) /* Double playfield */
|
#define BPC0_COLOR (0x0200) /* Enable colorburst */
|
#define BPC0_COLOR (0x0200) /* Enable colorburst */
|
#define BPC0_GAUD (0x0100) /* Genlock audio enable */
|
#define BPC0_GAUD (0x0100) /* Genlock audio enable */
|
#define BPC0_UHRES (0x0080) /* Ultrahi res enable */
|
#define BPC0_UHRES (0x0080) /* Ultrahi res enable */
|
#define BPC0_SHRES (0x0040) /* Super hi res mode */
|
#define BPC0_SHRES (0x0040) /* Super hi res mode */
|
#define BPC0_BYPASS (0x0020) /* Bypass LUT - AGA */
|
#define BPC0_BYPASS (0x0020) /* Bypass LUT - AGA */
|
#define BPC0_BPU3 (0x0010) /* AGA */
|
#define BPC0_BPU3 (0x0010) /* AGA */
|
#define BPC0_LPEN (0x0008) /* Light pen enable */
|
#define BPC0_LPEN (0x0008) /* Light pen enable */
|
#define BPC0_LACE (0x0004) /* Interlace */
|
#define BPC0_LACE (0x0004) /* Interlace */
|
#define BPC0_ERSY (0x0002) /* External resync */
|
#define BPC0_ERSY (0x0002) /* External resync */
|
#define BPC0_ECSENA (0x0001) /* ECS emulation disable */
|
#define BPC0_ECSENA (0x0001) /* ECS emulation disable */
|
|
|
|
|
/*
|
/*
|
* BPLCON2 -- Bitplane Control Register 2
|
* BPLCON2 -- Bitplane Control Register 2
|
*/
|
*/
|
|
|
#define BPC2_ZDBPSEL2 (0x4000) /* Bitplane to be used for ZD - AGA */
|
#define BPC2_ZDBPSEL2 (0x4000) /* Bitplane to be used for ZD - AGA */
|
#define BPC2_ZDBPSEL1 (0x2000)
|
#define BPC2_ZDBPSEL1 (0x2000)
|
#define BPC2_ZDBPSEL0 (0x1000)
|
#define BPC2_ZDBPSEL0 (0x1000)
|
#define BPC2_ZDBPEN (0x0800) /* Enable ZD with ZDBPSELx - AGA */
|
#define BPC2_ZDBPEN (0x0800) /* Enable ZD with ZDBPSELx - AGA */
|
#define BPC2_ZDCTEN (0x0400) /* Enable ZD with palette bit #31 - AGA */
|
#define BPC2_ZDCTEN (0x0400) /* Enable ZD with palette bit #31 - AGA */
|
#define BPC2_KILLEHB (0x0200) /* Kill EHB mode - AGA */
|
#define BPC2_KILLEHB (0x0200) /* Kill EHB mode - AGA */
|
#define BPC2_RDRAM (0x0100) /* Color table accesses read, not write - AGA */
|
#define BPC2_RDRAM (0x0100) /* Color table accesses read, not write - AGA */
|
#define BPC2_SOGEN (0x0080) /* SOG output pin high - AGA */
|
#define BPC2_SOGEN (0x0080) /* SOG output pin high - AGA */
|
#define BPC2_PF2PRI (0x0040) /* PF2 priority over PF1 */
|
#define BPC2_PF2PRI (0x0040) /* PF2 priority over PF1 */
|
#define BPC2_PF2P2 (0x0020) /* PF2 priority wrt sprites */
|
#define BPC2_PF2P2 (0x0020) /* PF2 priority wrt sprites */
|
#define BPC2_PF2P1 (0x0010)
|
#define BPC2_PF2P1 (0x0010)
|
#define BPC2_PF2P0 (0x0008)
|
#define BPC2_PF2P0 (0x0008)
|
#define BPC2_PF1P2 (0x0004) /* ditto PF1 */
|
#define BPC2_PF1P2 (0x0004) /* ditto PF1 */
|
#define BPC2_PF1P1 (0x0002)
|
#define BPC2_PF1P1 (0x0002)
|
#define BPC2_PF1P0 (0x0001)
|
#define BPC2_PF1P0 (0x0001)
|
|
|
|
|
/*
|
/*
|
* BPLCON3 -- Bitplane Control Register 3 (AGA)
|
* BPLCON3 -- Bitplane Control Register 3 (AGA)
|
*/
|
*/
|
|
|
#define BPC3_BANK2 (0x8000) /* Bits to select color register bank */
|
#define BPC3_BANK2 (0x8000) /* Bits to select color register bank */
|
#define BPC3_BANK1 (0x4000)
|
#define BPC3_BANK1 (0x4000)
|
#define BPC3_BANK0 (0x2000)
|
#define BPC3_BANK0 (0x2000)
|
#define BPC3_PF2OF2 (0x1000) /* Bits for color table offset when PF2 */
|
#define BPC3_PF2OF2 (0x1000) /* Bits for color table offset when PF2 */
|
#define BPC3_PF2OF1 (0x0800)
|
#define BPC3_PF2OF1 (0x0800)
|
#define BPC3_PF2OF0 (0x0400)
|
#define BPC3_PF2OF0 (0x0400)
|
#define BPC3_LOCT (0x0200) /* Color register writes go to low bits */
|
#define BPC3_LOCT (0x0200) /* Color register writes go to low bits */
|
#define BPC3_SPRES1 (0x0080) /* Sprite resolution bits */
|
#define BPC3_SPRES1 (0x0080) /* Sprite resolution bits */
|
#define BPC3_SPRES0 (0x0040)
|
#define BPC3_SPRES0 (0x0040)
|
#define BPC3_BRDRBLNK (0x0020) /* Border blanked? */
|
#define BPC3_BRDRBLNK (0x0020) /* Border blanked? */
|
#define BPC3_BRDRTRAN (0x0010) /* Border transparent? */
|
#define BPC3_BRDRTRAN (0x0010) /* Border transparent? */
|
#define BPC3_ZDCLKEN (0x0004) /* ZD pin is 14 MHz (HIRES) clock output */
|
#define BPC3_ZDCLKEN (0x0004) /* ZD pin is 14 MHz (HIRES) clock output */
|
#define BPC3_BRDRSPRT (0x0002) /* Sprites in border? */
|
#define BPC3_BRDRSPRT (0x0002) /* Sprites in border? */
|
#define BPC3_EXTBLKEN (0x0001) /* BLANK programmable */
|
#define BPC3_EXTBLKEN (0x0001) /* BLANK programmable */
|
|
|
|
|
/*
|
/*
|
* BPLCON4 -- Bitplane Control Register 4 (AGA)
|
* BPLCON4 -- Bitplane Control Register 4 (AGA)
|
*/
|
*/
|
|
|
#define BPC4_BPLAM7 (0x8000) /* bitplane color XOR field */
|
#define BPC4_BPLAM7 (0x8000) /* bitplane color XOR field */
|
#define BPC4_BPLAM6 (0x4000)
|
#define BPC4_BPLAM6 (0x4000)
|
#define BPC4_BPLAM5 (0x2000)
|
#define BPC4_BPLAM5 (0x2000)
|
#define BPC4_BPLAM4 (0x1000)
|
#define BPC4_BPLAM4 (0x1000)
|
#define BPC4_BPLAM3 (0x0800)
|
#define BPC4_BPLAM3 (0x0800)
|
#define BPC4_BPLAM2 (0x0400)
|
#define BPC4_BPLAM2 (0x0400)
|
#define BPC4_BPLAM1 (0x0200)
|
#define BPC4_BPLAM1 (0x0200)
|
#define BPC4_BPLAM0 (0x0100)
|
#define BPC4_BPLAM0 (0x0100)
|
#define BPC4_ESPRM7 (0x0080) /* 4 high bits for even sprite colors */
|
#define BPC4_ESPRM7 (0x0080) /* 4 high bits for even sprite colors */
|
#define BPC4_ESPRM6 (0x0040)
|
#define BPC4_ESPRM6 (0x0040)
|
#define BPC4_ESPRM5 (0x0020)
|
#define BPC4_ESPRM5 (0x0020)
|
#define BPC4_ESPRM4 (0x0010)
|
#define BPC4_ESPRM4 (0x0010)
|
#define BPC4_OSPRM7 (0x0008) /* 4 high bits for odd sprite colors */
|
#define BPC4_OSPRM7 (0x0008) /* 4 high bits for odd sprite colors */
|
#define BPC4_OSPRM6 (0x0004)
|
#define BPC4_OSPRM6 (0x0004)
|
#define BPC4_OSPRM5 (0x0002)
|
#define BPC4_OSPRM5 (0x0002)
|
#define BPC4_OSPRM4 (0x0001)
|
#define BPC4_OSPRM4 (0x0001)
|
|
|
|
|
/*
|
/*
|
* BEAMCON0 -- Beam Control Register
|
* BEAMCON0 -- Beam Control Register
|
*/
|
*/
|
|
|
#define BMC0_HARDDIS (0x4000) /* Disable hardware limits */
|
#define BMC0_HARDDIS (0x4000) /* Disable hardware limits */
|
#define BMC0_LPENDIS (0x2000) /* Disable light pen latch */
|
#define BMC0_LPENDIS (0x2000) /* Disable light pen latch */
|
#define BMC0_VARVBEN (0x1000) /* Enable variable vertical blank */
|
#define BMC0_VARVBEN (0x1000) /* Enable variable vertical blank */
|
#define BMC0_LOLDIS (0x0800) /* Disable long/short line toggle */
|
#define BMC0_LOLDIS (0x0800) /* Disable long/short line toggle */
|
#define BMC0_CSCBEN (0x0400) /* Composite sync/blank */
|
#define BMC0_CSCBEN (0x0400) /* Composite sync/blank */
|
#define BMC0_VARVSYEN (0x0200) /* Enable variable vertical sync */
|
#define BMC0_VARVSYEN (0x0200) /* Enable variable vertical sync */
|
#define BMC0_VARHSYEN (0x0100) /* Enable variable horizontal sync */
|
#define BMC0_VARHSYEN (0x0100) /* Enable variable horizontal sync */
|
#define BMC0_VARBEAMEN (0x0080) /* Enable variable beam counters */
|
#define BMC0_VARBEAMEN (0x0080) /* Enable variable beam counters */
|
#define BMC0_DUAL (0x0080) /* Enable alternate horizontal beam counter */
|
#define BMC0_DUAL (0x0080) /* Enable alternate horizontal beam counter */
|
#define BMC0_PAL (0x0020) /* Set decodes for PAL */
|
#define BMC0_PAL (0x0020) /* Set decodes for PAL */
|
#define BMC0_VARCSYEN (0x0010) /* Enable variable composite sync */
|
#define BMC0_VARCSYEN (0x0010) /* Enable variable composite sync */
|
#define BMC0_BLANKEN (0x0008) /* Blank enable (no longer used on AGA) */
|
#define BMC0_BLANKEN (0x0008) /* Blank enable (no longer used on AGA) */
|
#define BMC0_CSYTRUE (0x0004) /* CSY polarity */
|
#define BMC0_CSYTRUE (0x0004) /* CSY polarity */
|
#define BMC0_VSYTRUE (0x0002) /* VSY polarity */
|
#define BMC0_VSYTRUE (0x0002) /* VSY polarity */
|
#define BMC0_HSYTRUE (0x0001) /* HSY polarity */
|
#define BMC0_HSYTRUE (0x0001) /* HSY polarity */
|
|
|
|
|
/*
|
/*
|
* FMODE -- Fetch Mode Control Register (AGA)
|
* FMODE -- Fetch Mode Control Register (AGA)
|
*/
|
*/
|
|
|
#define FMODE_SSCAN2 (0x8000) /* Sprite scan-doubling */
|
#define FMODE_SSCAN2 (0x8000) /* Sprite scan-doubling */
|
#define FMODE_BSCAN2 (0x4000) /* Use PF2 modulus every other line */
|
#define FMODE_BSCAN2 (0x4000) /* Use PF2 modulus every other line */
|
#define FMODE_SPAGEM (0x0008) /* Sprite page mode */
|
#define FMODE_SPAGEM (0x0008) /* Sprite page mode */
|
#define FMODE_SPR32 (0x0004) /* Sprite 32 bit fetch */
|
#define FMODE_SPR32 (0x0004) /* Sprite 32 bit fetch */
|
#define FMODE_BPAGEM (0x0002) /* Bitplane page mode */
|
#define FMODE_BPAGEM (0x0002) /* Bitplane page mode */
|
#define FMODE_BPL32 (0x0001) /* Bitplane 32 bit fetch */
|
#define FMODE_BPL32 (0x0001) /* Bitplane 32 bit fetch */
|
|
|
|
|
/*
|
/*
|
* Tags used to indicate a specific Pixel Clock
|
* Tags used to indicate a specific Pixel Clock
|
*
|
*
|
* clk_shift is the shift value to get the timings in 35 ns units
|
* clk_shift is the shift value to get the timings in 35 ns units
|
*/
|
*/
|
|
|
#define TAG_SHRES (1) /* SHRES, clk_shift = TAG_SHRES-1 */
|
#define TAG_SHRES (1) /* SHRES, clk_shift = TAG_SHRES-1 */
|
#define TAG_HIRES (2) /* HIRES, clk_shift = TAG_HIRES-1 */
|
#define TAG_HIRES (2) /* HIRES, clk_shift = TAG_HIRES-1 */
|
#define TAG_LORES (3) /* LORES, clk_shift = TAG_LORES-1 */
|
#define TAG_LORES (3) /* LORES, clk_shift = TAG_LORES-1 */
|
|
|
|
|
/*
|
/*
|
* Clock Definitions, Maximum Display Depth
|
* Clock Definitions, Maximum Display Depth
|
*
|
*
|
* These depend on the E-Clock or the Chipset, so they are filled in
|
* These depend on the E-Clock or the Chipset, so they are filled in
|
* dynamically
|
* dynamically
|
*/
|
*/
|
|
|
static u_long pixclock[3]; /* SHRES/HIRES/LORES: index = clk_shift */
|
static u_long pixclock[3]; /* SHRES/HIRES/LORES: index = clk_shift */
|
static u_short maxdepth[3]; /* SHRES/HIRES/LORES: index = clk_shift */
|
static u_short maxdepth[3]; /* SHRES/HIRES/LORES: index = clk_shift */
|
|
|
|
|
/*
|
/*
|
* Broadcast Video Timings
|
* Broadcast Video Timings
|
*
|
*
|
* Horizontal values are in 35 ns (SHRES) units
|
* Horizontal values are in 35 ns (SHRES) units
|
* Vertical values are in non-interlaced scanlines
|
* Vertical values are in non-interlaced scanlines
|
*/
|
*/
|
|
|
#define PAL_WINDOW_H (1472) /* PAL Window Limits */
|
#define PAL_WINDOW_H (1472) /* PAL Window Limits */
|
#define PAL_WINDOW_V (288)
|
#define PAL_WINDOW_V (288)
|
#define PAL_DIWSTRT_H (360)
|
#define PAL_DIWSTRT_H (360)
|
#define PAL_DIWSTRT_V (24)
|
#define PAL_DIWSTRT_V (24)
|
|
|
#define NTSC_WINDOW_H (1472) /* NTSC Window Limits */
|
#define NTSC_WINDOW_H (1472) /* NTSC Window Limits */
|
#define NTSC_WINDOW_V (242)
|
#define NTSC_WINDOW_V (242)
|
#define NTSC_DIWSTRT_H (360)
|
#define NTSC_DIWSTRT_H (360)
|
#define NTSC_DIWSTRT_V (20)
|
#define NTSC_DIWSTRT_V (20)
|
|
|
#define PAL_HTOTAL (1816) /* Total line length */
|
#define PAL_HTOTAL (1816) /* Total line length */
|
#define NTSC_HTOTAL (1816) /* Needed for YWRAP */
|
#define NTSC_HTOTAL (1816) /* Needed for YWRAP */
|
|
|
|
|
/*
|
/*
|
* Monitor Specifications
|
* Monitor Specifications
|
*
|
*
|
* These are typical for a `generic' Amiga monitor (e.g. A1960)
|
* These are typical for a `generic' Amiga monitor (e.g. A1960)
|
*/
|
*/
|
|
|
static long vfmin = 50, vfmax = 90, hfmin = 15000, hfmax = 38000;
|
static long vfmin = 50, vfmax = 90, hfmin = 15000, hfmax = 38000;
|
|
|
static u_short pwrsave = 0; /* VESA suspend mode (not for PAL/NTSC) */
|
static u_short pwrsave = 0; /* VESA suspend mode (not for PAL/NTSC) */
|
|
|
|
|
/*
|
/*
|
* Various macros
|
* Various macros
|
*/
|
*/
|
|
|
#define up8(x) (((x)+7) & ~7)
|
#define up8(x) (((x)+7) & ~7)
|
#define down8(x) ((x) & ~7)
|
#define down8(x) ((x) & ~7)
|
#define div8(x) ((x)>>3)
|
#define div8(x) ((x)>>3)
|
#define mod8(x) ((x) & 7)
|
#define mod8(x) ((x) & 7)
|
|
|
#define up16(x) (((x)+15) & ~15)
|
#define up16(x) (((x)+15) & ~15)
|
#define down16(x) ((x) & ~15)
|
#define down16(x) ((x) & ~15)
|
#define div16(x) ((x)>>4)
|
#define div16(x) ((x)>>4)
|
#define mod16(x) ((x) & 15)
|
#define mod16(x) ((x) & 15)
|
|
|
#define up32(x) (((x)+31) & ~31)
|
#define up32(x) (((x)+31) & ~31)
|
#define down32(x) ((x) & ~31)
|
#define down32(x) ((x) & ~31)
|
#define div32(x) ((x)>>5)
|
#define div32(x) ((x)>>5)
|
#define mod32(x) ((x) & 31)
|
#define mod32(x) ((x) & 31)
|
|
|
#define up64(x) (((x)+63) & ~63)
|
#define up64(x) (((x)+63) & ~63)
|
#define down64(x) ((x) & ~63)
|
#define down64(x) ((x) & ~63)
|
#define div64(x) ((x)>>6)
|
#define div64(x) ((x)>>6)
|
#define mod64(x) ((x) & 63)
|
#define mod64(x) ((x) & 63)
|
|
|
#define min(a, b) ((a) < (b) ? (a) : (b))
|
#define min(a, b) ((a) < (b) ? (a) : (b))
|
#define max(a, b) ((a) > (b) ? (a) : (b))
|
#define max(a, b) ((a) > (b) ? (a) : (b))
|
|
|
#define highw(x) ((u_long)(x)>>16 & 0xffff)
|
#define highw(x) ((u_long)(x)>>16 & 0xffff)
|
#define loww(x) ((u_long)(x) & 0xffff)
|
#define loww(x) ((u_long)(x) & 0xffff)
|
|
|
#define arraysize(x) (sizeof(x)/sizeof(*(x)))
|
#define arraysize(x) (sizeof(x)/sizeof(*(x)))
|
|
|
|
|
/*
|
/*
|
* Chip RAM we reserve for the Frame Buffer (must be a multiple of 4K!)
|
* Chip RAM we reserve for the Frame Buffer (must be a multiple of 4K!)
|
*
|
*
|
* This defines the Maximum Virtual Screen Size
|
* This defines the Maximum Virtual Screen Size
|
*/
|
*/
|
|
|
#define VIDEOMEMSIZE_AGA_2M (1310720) /* AGA (2MB) : max 1280*1024*256 */
|
#define VIDEOMEMSIZE_AGA_2M (1310720) /* AGA (2MB) : max 1280*1024*256 */
|
#define VIDEOMEMSIZE_AGA_1M (393216) /* AGA (1MB) : max 1024*768*256 */
|
#define VIDEOMEMSIZE_AGA_1M (393216) /* AGA (1MB) : max 1024*768*256 */
|
#define VIDEOMEMSIZE_ECS_2M (655360) /* ECS (2MB) : max 1280*1024*16 */
|
#define VIDEOMEMSIZE_ECS_2M (655360) /* ECS (2MB) : max 1280*1024*16 */
|
#define VIDEOMEMSIZE_ECS_1M (393216) /* ECS (1MB) : max 1024*768*16 */
|
#define VIDEOMEMSIZE_ECS_1M (393216) /* ECS (1MB) : max 1024*768*16 */
|
#define VIDEOMEMSIZE_OCS (262144) /* OCS : max ca. 800*600*16 */
|
#define VIDEOMEMSIZE_OCS (262144) /* OCS : max ca. 800*600*16 */
|
|
|
|
|
static u_long videomemory;
|
static u_long videomemory;
|
static u_long videomemorysize;
|
static u_long videomemorysize;
|
|
|
#define assignchunk(name, type, ptr, size) \
|
#define assignchunk(name, type, ptr, size) \
|
{ \
|
{ \
|
(name) = (type)(ptr); \
|
(name) = (type)(ptr); \
|
ptr += size; \
|
ptr += size; \
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Copper Instructions
|
* Copper Instructions
|
*/
|
*/
|
|
|
#define CMOVE(val, reg) (CUSTOM_OFS(reg)<<16 | (val))
|
#define CMOVE(val, reg) (CUSTOM_OFS(reg)<<16 | (val))
|
#define CMOVE2(val, reg) ((CUSTOM_OFS(reg)+2)<<16 | (val))
|
#define CMOVE2(val, reg) ((CUSTOM_OFS(reg)+2)<<16 | (val))
|
#define CWAIT(x, y) (((y) & 0xff)<<24 | ((x) & 0xfe)<<16 | 0x0001fffe)
|
#define CWAIT(x, y) (((y) & 0xff)<<24 | ((x) & 0xfe)<<16 | 0x0001fffe)
|
#define CEND (0xfffffffe)
|
#define CEND (0xfffffffe)
|
|
|
|
|
typedef union {
|
typedef union {
|
u_long l;
|
u_long l;
|
u_short w[2];
|
u_short w[2];
|
} copins;
|
} copins;
|
|
|
|
|
/*
|
/*
|
* Frame Header Copper List
|
* Frame Header Copper List
|
*/
|
*/
|
|
|
struct clist_hdr {
|
struct clist_hdr {
|
copins bplcon0;
|
copins bplcon0;
|
copins diwstrt;
|
copins diwstrt;
|
copins diwstop;
|
copins diwstop;
|
copins diwhigh;
|
copins diwhigh;
|
copins sprfix[8];
|
copins sprfix[8];
|
copins sprstrtup[16];
|
copins sprstrtup[16];
|
copins wait;
|
copins wait;
|
copins jump;
|
copins jump;
|
copins wait_forever;
|
copins wait_forever;
|
};
|
};
|
|
|
|
|
/*
|
/*
|
* Long Frame/Short Frame Copper List
|
* Long Frame/Short Frame Copper List
|
*/
|
*/
|
|
|
struct clist_dyn {
|
struct clist_dyn {
|
copins diwstrt;
|
copins diwstrt;
|
copins diwstop;
|
copins diwstop;
|
copins diwhigh;
|
copins diwhigh;
|
copins bplcon0;
|
copins bplcon0;
|
copins sprpt[2]; /* Sprite 0 */
|
copins sprpt[2]; /* Sprite 0 */
|
copins rest[64];
|
copins rest[64];
|
};
|
};
|
|
|
|
|
static struct clist_hdr *clist_hdr;
|
static struct clist_hdr *clist_hdr;
|
static struct clist_dyn *clist_lof;
|
static struct clist_dyn *clist_lof;
|
static struct clist_dyn *clist_shf; /* Only used for Interlace */
|
static struct clist_dyn *clist_shf; /* Only used for Interlace */
|
|
|
|
|
/*
|
/*
|
* Hardware Cursor
|
* Hardware Cursor
|
*/
|
*/
|
|
|
#define CRSR_RATE (20) /* Number of frames/flash toggle */
|
#define CRSR_RATE (20) /* Number of frames/flash toggle */
|
|
|
static u_long *lofsprite, *shfsprite, *dummysprite;
|
static u_long *lofsprite, *shfsprite, *dummysprite;
|
static u_short cursormode = FB_CURSOR_FLASH;
|
static u_short cursormode = FB_CURSOR_FLASH;
|
|
|
|
|
/*
|
/*
|
* Current Video Mode
|
* Current Video Mode
|
*/
|
*/
|
|
|
struct amiga_fb_par {
|
struct amiga_fb_par {
|
|
|
/* General Values */
|
/* General Values */
|
|
|
int xres; /* vmode */
|
int xres; /* vmode */
|
int yres; /* vmode */
|
int yres; /* vmode */
|
int vxres; /* vmode */
|
int vxres; /* vmode */
|
int vyres; /* vmode */
|
int vyres; /* vmode */
|
int xoffset; /* vmode */
|
int xoffset; /* vmode */
|
int yoffset; /* vmode */
|
int yoffset; /* vmode */
|
u_short bpp; /* vmode */
|
u_short bpp; /* vmode */
|
u_short clk_shift; /* vmode */
|
u_short clk_shift; /* vmode */
|
int vmode; /* vmode */
|
int vmode; /* vmode */
|
u_short diwstrt_h; /* vmode */
|
u_short diwstrt_h; /* vmode */
|
u_short diwstrt_v; /* vmode */
|
u_short diwstrt_v; /* vmode */
|
u_long next_line; /* modulo for next line */
|
u_long next_line; /* modulo for next line */
|
u_long next_plane; /* modulo for next plane */
|
u_long next_plane; /* modulo for next plane */
|
short crsr_x; /* movecursor */
|
short crsr_x; /* movecursor */
|
short crsr_y; /* movecursor */
|
short crsr_y; /* movecursor */
|
|
|
/* OCS Hardware Registers */
|
/* OCS Hardware Registers */
|
|
|
u_long bplpt0; /* vmode, pan (Note: physical address) */
|
u_long bplpt0; /* vmode, pan (Note: physical address) */
|
u_short bplcon0; /* vmode */
|
u_short bplcon0; /* vmode */
|
u_short bplcon1; /* vmode, pan */
|
u_short bplcon1; /* vmode, pan */
|
u_short bpl1mod; /* vmode, pan */
|
u_short bpl1mod; /* vmode, pan */
|
u_short bpl2mod; /* vmode, pan */
|
u_short bpl2mod; /* vmode, pan */
|
u_short diwstrt; /* vmode */
|
u_short diwstrt; /* vmode */
|
u_short diwstop; /* vmode */
|
u_short diwstop; /* vmode */
|
u_short ddfstrt; /* vmode, pan */
|
u_short ddfstrt; /* vmode, pan */
|
u_short ddfstop; /* vmode, pan */
|
u_short ddfstop; /* vmode, pan */
|
|
|
#if defined(CONFIG_AMIFB_ECS) || defined(CONFIG_AMIFB_AGA)
|
#if defined(CONFIG_AMIFB_ECS) || defined(CONFIG_AMIFB_AGA)
|
/* Additional ECS Hardware Registers */
|
/* Additional ECS Hardware Registers */
|
|
|
u_short diwhigh; /* vmode */
|
u_short diwhigh; /* vmode */
|
u_short bplcon3; /* vmode */
|
u_short bplcon3; /* vmode */
|
u_short beamcon0; /* vmode */
|
u_short beamcon0; /* vmode */
|
u_short htotal; /* vmode */
|
u_short htotal; /* vmode */
|
u_short hsstrt; /* vmode */
|
u_short hsstrt; /* vmode */
|
u_short hsstop; /* vmode */
|
u_short hsstop; /* vmode */
|
u_short vtotal; /* vmode */
|
u_short vtotal; /* vmode */
|
u_short vsstrt; /* vmode */
|
u_short vsstrt; /* vmode */
|
u_short vsstop; /* vmode */
|
u_short vsstop; /* vmode */
|
u_short hcenter; /* vmode */
|
u_short hcenter; /* vmode */
|
#endif /* defined(CONFIG_AMIFB_ECS) || defined(CONFIG_AMIFB_AGA) */
|
#endif /* defined(CONFIG_AMIFB_ECS) || defined(CONFIG_AMIFB_AGA) */
|
|
|
#if defined(CONFIG_AMIFB_AGA)
|
#if defined(CONFIG_AMIFB_AGA)
|
/* Additional AGA Hardware Registers */
|
/* Additional AGA Hardware Registers */
|
|
|
u_short fmode; /* vmode */
|
u_short fmode; /* vmode */
|
#endif /* defined(CONFIG_AMIFB_AGA) */
|
#endif /* defined(CONFIG_AMIFB_AGA) */
|
};
|
};
|
|
|
static struct amiga_fb_par current_par;
|
static struct amiga_fb_par current_par;
|
|
|
static int current_par_valid = 0;
|
static int current_par_valid = 0;
|
static int currcon = 0;
|
static int currcon = 0;
|
|
|
static struct display disp[MAX_NR_CONSOLES];
|
static struct display disp[MAX_NR_CONSOLES];
|
static struct fb_info fb_info;
|
static struct fb_info fb_info;
|
|
|
static int node; /* node of the /dev/fb?current file */
|
static int node; /* node of the /dev/fb?current file */
|
|
|
|
|
/*
|
/*
|
* The minimum period for audio depends on htotal (for OCS/ECS/AGA)
|
* The minimum period for audio depends on htotal (for OCS/ECS/AGA)
|
* (Imported from arch/m68k/amiga/amisound.c)
|
* (Imported from arch/m68k/amiga/amisound.c)
|
*/
|
*/
|
|
|
extern volatile u_short amiga_audio_min_period;
|
extern volatile u_short amiga_audio_min_period;
|
|
|
|
|
/*
|
/*
|
* Since we can't read the palette on OCS/ECS, and since reading one
|
* Since we can't read the palette on OCS/ECS, and since reading one
|
* single color palette entry requires 5 expensive custom chip bus
|
* single color palette entry requires 5 expensive custom chip bus
|
* accesses on AGA, we keep a copy of the current palette.
|
* accesses on AGA, we keep a copy of the current palette.
|
*/
|
*/
|
|
|
#ifdef CONFIG_AMIFB_AGA
|
#ifdef CONFIG_AMIFB_AGA
|
static struct { u_char red, green, blue, pad; } palette[256];
|
static struct { u_char red, green, blue, pad; } palette[256];
|
#else /* CONFIG_AMIFB_AGA */
|
#else /* CONFIG_AMIFB_AGA */
|
static struct { u_char red, green, blue, pad; } palette[32];
|
static struct { u_char red, green, blue, pad; } palette[32];
|
#endif /* CONFIG_AMIFB_AGA */
|
#endif /* CONFIG_AMIFB_AGA */
|
|
|
|
|
/*
|
/*
|
* Latches and Flags for display changes during VBlank
|
* Latches and Flags for display changes during VBlank
|
*/
|
*/
|
|
|
static volatile u_short do_vmode = 0; /* Change the Video Mode */
|
static volatile u_short do_vmode = 0; /* Change the Video Mode */
|
static volatile short do_blank = 0; /* (Un)Blank the Screen (±1) */
|
static volatile short do_blank = 0; /* (Un)Blank the Screen (±1) */
|
static volatile u_short do_movecursor = 0; /* Move the Cursor */
|
static volatile u_short do_movecursor = 0; /* Move the Cursor */
|
static volatile u_short full_vmode_change = 1; /* Full Change or Only Pan */
|
static volatile u_short full_vmode_change = 1; /* Full Change or Only Pan */
|
static volatile u_short is_blanked = 0; /* Screen is Blanked */
|
static volatile u_short is_blanked = 0; /* Screen is Blanked */
|
|
|
|
|
/*
|
/*
|
* Switch for Chipset Independency
|
* Switch for Chipset Independency
|
*/
|
*/
|
|
|
static struct fb_hwswitch {
|
static struct fb_hwswitch {
|
|
|
/* Initialization */
|
/* Initialization */
|
int (*init)(void);
|
int (*init)(void);
|
|
|
/* Display Control */
|
/* Display Control */
|
int (*encode_fix)(struct fb_fix_screeninfo *fix, struct amiga_fb_par *par);
|
int (*encode_fix)(struct fb_fix_screeninfo *fix, struct amiga_fb_par *par);
|
int (*decode_var)(struct fb_var_screeninfo *var, struct amiga_fb_par *par);
|
int (*decode_var)(struct fb_var_screeninfo *var, struct amiga_fb_par *par);
|
int (*encode_var)(struct fb_var_screeninfo *var, struct amiga_fb_par *par);
|
int (*encode_var)(struct fb_var_screeninfo *var, struct amiga_fb_par *par);
|
int (*getcolreg)(u_int regno, u_int *red, u_int *green, u_int *blue,
|
int (*getcolreg)(u_int regno, u_int *red, u_int *green, u_int *blue,
|
u_int *transp);
|
u_int *transp);
|
int (*setcolreg)(u_int regno, u_int red, u_int green, u_int blue,
|
int (*setcolreg)(u_int regno, u_int red, u_int green, u_int blue,
|
u_int transp);
|
u_int transp);
|
int (*pan_display)(struct fb_var_screeninfo *var, struct amiga_fb_par *par);
|
int (*pan_display)(struct fb_var_screeninfo *var, struct amiga_fb_par *par);
|
|
|
/* Routines Called by VBlank Interrupt to minimize flicker */
|
/* Routines Called by VBlank Interrupt to minimize flicker */
|
void (*do_vmode)(void);
|
void (*do_vmode)(void);
|
void (*do_blank)(int blank);
|
void (*do_blank)(int blank);
|
void (*do_movecursor)(void);
|
void (*do_movecursor)(void);
|
void (*do_flashcursor)(void);
|
void (*do_flashcursor)(void);
|
} *fbhw;
|
} *fbhw;
|
|
|
|
|
/*
|
/*
|
* Frame Buffer Name
|
* Frame Buffer Name
|
*
|
*
|
* The rest of the name is filled in by amiga_fb_init
|
* The rest of the name is filled in by amiga_fb_init
|
*/
|
*/
|
|
|
static char amiga_fb_name[16] = "Amiga ";
|
static char amiga_fb_name[16] = "Amiga ";
|
|
|
|
|
/*
|
/*
|
* Predefined Video Mode Names
|
* Predefined Video Mode Names
|
*
|
*
|
* The a2024-?? modes don't work yet because there's no A2024 driver.
|
* The a2024-?? modes don't work yet because there's no A2024 driver.
|
*/
|
*/
|
|
|
static char *amiga_fb_modenames[] = {
|
static char *amiga_fb_modenames[] = {
|
|
|
/*
|
/*
|
* Autodetect (Default) Video Mode
|
* Autodetect (Default) Video Mode
|
*/
|
*/
|
|
|
"default",
|
"default",
|
|
|
/*
|
/*
|
* AmigaOS Video Modes
|
* AmigaOS Video Modes
|
*/
|
*/
|
|
|
"ntsc", /* 640x200, 15 kHz, 60 Hz (NTSC) */
|
"ntsc", /* 640x200, 15 kHz, 60 Hz (NTSC) */
|
"ntsc-lace", /* 640x400, 15 kHz, 60 Hz interlaced (NTSC) */
|
"ntsc-lace", /* 640x400, 15 kHz, 60 Hz interlaced (NTSC) */
|
"pal", /* 640x256, 15 kHz, 50 Hz (PAL) */
|
"pal", /* 640x256, 15 kHz, 50 Hz (PAL) */
|
"pal-lace", /* 640x512, 15 kHz, 50 Hz interlaced (PAL) */
|
"pal-lace", /* 640x512, 15 kHz, 50 Hz interlaced (PAL) */
|
"multiscan", /* 640x480, 29 kHz, 57 Hz */
|
"multiscan", /* 640x480, 29 kHz, 57 Hz */
|
"multiscan-lace", /* 640x960, 29 kHz, 57 Hz interlaced */
|
"multiscan-lace", /* 640x960, 29 kHz, 57 Hz interlaced */
|
"a2024-10", /* 1024x800, 10 Hz (Not yet supported) */
|
"a2024-10", /* 1024x800, 10 Hz (Not yet supported) */
|
"a2024-15", /* 1024x800, 15 Hz (Not yet supported) */
|
"a2024-15", /* 1024x800, 15 Hz (Not yet supported) */
|
"euro36", /* 640x200, 15 kHz, 72 Hz */
|
"euro36", /* 640x200, 15 kHz, 72 Hz */
|
"euro36-lace", /* 640x400, 15 kHz, 72 Hz interlaced */
|
"euro36-lace", /* 640x400, 15 kHz, 72 Hz interlaced */
|
"euro72", /* 640x400, 29 kHz, 68 Hz */
|
"euro72", /* 640x400, 29 kHz, 68 Hz */
|
"euro72-lace", /* 640x800, 29 kHz, 68 Hz interlaced */
|
"euro72-lace", /* 640x800, 29 kHz, 68 Hz interlaced */
|
"super72", /* 800x300, 23 kHz, 70 Hz */
|
"super72", /* 800x300, 23 kHz, 70 Hz */
|
"super72-lace", /* 800x600, 23 kHz, 70 Hz interlaced */
|
"super72-lace", /* 800x600, 23 kHz, 70 Hz interlaced */
|
"dblntsc", /* 640x200, 27 kHz, 57 Hz doublescan */
|
"dblntsc", /* 640x200, 27 kHz, 57 Hz doublescan */
|
"dblntsc-ff", /* 640x400, 27 kHz, 57 Hz */
|
"dblntsc-ff", /* 640x400, 27 kHz, 57 Hz */
|
"dblntsc-lace", /* 640x800, 27 kHz, 57 Hz interlaced */
|
"dblntsc-lace", /* 640x800, 27 kHz, 57 Hz interlaced */
|
"dblpal", /* 640x256, 27 kHz, 47 Hz doublescan */
|
"dblpal", /* 640x256, 27 kHz, 47 Hz doublescan */
|
"dblpal-ff", /* 640x512, 27 kHz, 47 Hz */
|
"dblpal-ff", /* 640x512, 27 kHz, 47 Hz */
|
"dblpal-lace", /* 640x1024, 27 kHz, 47 Hz interlaced */
|
"dblpal-lace", /* 640x1024, 27 kHz, 47 Hz interlaced */
|
|
|
/*
|
/*
|
* VGA Video Modes
|
* VGA Video Modes
|
*/
|
*/
|
|
|
"vga", /* 640x480, 31 kHz, 60 Hz (VGA) */
|
"vga", /* 640x480, 31 kHz, 60 Hz (VGA) */
|
"vga70", /* 640x400, 31 kHz, 70 Hz (VGA) */
|
"vga70", /* 640x400, 31 kHz, 70 Hz (VGA) */
|
|
|
/*
|
/*
|
* User Defined Video Modes: to be set after boot up using e.g. fbset
|
* User Defined Video Modes: to be set after boot up using e.g. fbset
|
*/
|
*/
|
|
|
"user0", "user1", "user2", "user3", "user4", "user5", "user6", "user7"
|
"user0", "user1", "user2", "user3", "user4", "user5", "user6", "user7"
|
};
|
};
|
|
|
|
|
/*
|
/*
|
* Predefined Video Mode Definitions
|
* Predefined Video Mode Definitions
|
*
|
*
|
* Since the actual pixclock values depend on the E-Clock, we use the
|
* Since the actual pixclock values depend on the E-Clock, we use the
|
* TAG_* values and fill in the real values during initialization.
|
* TAG_* values and fill in the real values during initialization.
|
* Thus we assume no one has pixel clocks of 333, 500 or 1000 GHz :-)
|
* Thus we assume no one has pixel clocks of 333, 500 or 1000 GHz :-)
|
*/
|
*/
|
|
|
static struct fb_var_screeninfo amiga_fb_predefined[] = {
|
static struct fb_var_screeninfo amiga_fb_predefined[] = {
|
|
|
/*
|
/*
|
* Autodetect (Default) Video Mode
|
* Autodetect (Default) Video Mode
|
*/
|
*/
|
|
|
{ 0, },
|
{ 0, },
|
|
|
/*
|
/*
|
* AmigaOS Video Modes
|
* AmigaOS Video Modes
|
*/
|
*/
|
|
|
{
|
{
|
/* ntsc */
|
/* ntsc */
|
640, 200, 640, 200, 0, 0, 4, 0,
|
640, 200, 640, 200, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 78, 18, 24, 18, 0, 0,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 78, 18, 24, 18, 0, 0,
|
FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
|
FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* ntsc-lace */
|
/* ntsc-lace */
|
640, 400, 640, 400, 0, 0, 4, 0,
|
640, 400, 640, 400, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 78, 18, 48, 36, 0, 0,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 78, 18, 48, 36, 0, 0,
|
FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
|
FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
|
}, {
|
}, {
|
/* pal */
|
/* pal */
|
640, 256, 640, 256, 0, 0, 4, 0,
|
640, 256, 640, 256, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 78, 18, 20, 12, 0, 0,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 78, 18, 20, 12, 0, 0,
|
FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
|
FB_SYNC_BROADCAST, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* pal-lace */
|
/* pal-lace */
|
640, 512, 640, 512, 0, 0, 4, 0,
|
640, 512, 640, 512, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 78, 18, 40, 24, 0, 0,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 78, 18, 40, 24, 0, 0,
|
FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
|
FB_SYNC_BROADCAST, FB_VMODE_INTERLACED
|
}, {
|
}, {
|
/* multiscan */
|
/* multiscan */
|
640, 480, 640, 480, 0, 0, 4, 0,
|
640, 480, 640, 480, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 164, 92, 9, 9, 80, 8,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 164, 92, 9, 9, 80, 8,
|
0, FB_VMODE_NONINTERLACED
|
0, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* multiscan-lace */
|
/* multiscan-lace */
|
640, 960, 640, 960, 0, 0, 4, 0,
|
640, 960, 640, 960, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 164, 92, 18, 18, 80, 16,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 164, 92, 18, 18, 80, 16,
|
0, FB_VMODE_INTERLACED
|
0, FB_VMODE_INTERLACED
|
}, {
|
}, {
|
/* a2024-10 (Not yet supported) */
|
/* a2024-10 (Not yet supported) */
|
1024, 800, 1024, 800, 0, 0, 2, 0,
|
1024, 800, 1024, 800, 0, 0, 2, 0,
|
{0, 2, 0}, {0, 2, 0}, {0, 2, 0}, {0, 0, 0},
|
{0, 2, 0}, {0, 2, 0}, {0, 2, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 0, 0, 0, 0, 0, 0,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 0, 0, 0, 0, 0, 0,
|
0, FB_VMODE_NONINTERLACED
|
0, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* a2024-15 (Not yet supported) */
|
/* a2024-15 (Not yet supported) */
|
1024, 800, 1024, 800, 0, 0, 2, 0,
|
1024, 800, 1024, 800, 0, 0, 2, 0,
|
{0, 2, 0}, {0, 2, 0}, {0, 2, 0}, {0, 0, 0},
|
{0, 2, 0}, {0, 2, 0}, {0, 2, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 0, 0, 0, 0, 0, 0,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 0, 0, 0, 0, 0, 0,
|
0, FB_VMODE_NONINTERLACED
|
0, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* euro36 */
|
/* euro36 */
|
640, 200, 640, 200, 0, 0, 4, 0,
|
640, 200, 640, 200, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 92, 124, 6, 6, 52, 5,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 92, 124, 6, 6, 52, 5,
|
0, FB_VMODE_NONINTERLACED
|
0, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* euro36-lace */
|
/* euro36-lace */
|
640, 400, 640, 400, 0, 0, 4, 0,
|
640, 400, 640, 400, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 92, 124, 12, 12, 52, 10,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_HIRES, 92, 124, 12, 12, 52, 10,
|
0, FB_VMODE_INTERLACED
|
0, FB_VMODE_INTERLACED
|
}, {
|
}, {
|
/* euro72 */
|
/* euro72 */
|
640, 400, 640, 400, 0, 0, 4, 0,
|
640, 400, 640, 400, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 164, 92, 9, 9, 80, 8,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 164, 92, 9, 9, 80, 8,
|
0, FB_VMODE_NONINTERLACED
|
0, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* euro72-lace */
|
/* euro72-lace */
|
640, 800, 640, 800, 0, 0, 4, 0,
|
640, 800, 640, 800, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 164, 92, 18, 18, 80, 16,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 164, 92, 18, 18, 80, 16,
|
0, FB_VMODE_INTERLACED
|
0, FB_VMODE_INTERLACED
|
}, {
|
}, {
|
/* super72 */
|
/* super72 */
|
800, 300, 800, 300, 0, 0, 4, 0,
|
800, 300, 800, 300, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 212, 140, 10, 11, 80, 7,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 212, 140, 10, 11, 80, 7,
|
0, FB_VMODE_NONINTERLACED
|
0, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* super72-lace */
|
/* super72-lace */
|
800, 600, 800, 600, 0, 0, 4, 0,
|
800, 600, 800, 600, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 212, 140, 20, 22, 80, 14,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 212, 140, 20, 22, 80, 14,
|
0, FB_VMODE_INTERLACED
|
0, FB_VMODE_INTERLACED
|
}, {
|
}, {
|
/* dblntsc */
|
/* dblntsc */
|
640, 200, 640, 200, 0, 0, 4, 0,
|
640, 200, 640, 200, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 18, 17, 80, 4,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 18, 17, 80, 4,
|
0, FB_VMODE_DOUBLE
|
0, FB_VMODE_DOUBLE
|
}, {
|
}, {
|
/* dblntsc-ff */
|
/* dblntsc-ff */
|
640, 400, 640, 400, 0, 0, 4, 0,
|
640, 400, 640, 400, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 36, 35, 80, 7,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 36, 35, 80, 7,
|
0, FB_VMODE_NONINTERLACED
|
0, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* dblntsc-lace */
|
/* dblntsc-lace */
|
640, 800, 640, 800, 0, 0, 4, 0,
|
640, 800, 640, 800, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 72, 70, 80, 14,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 72, 70, 80, 14,
|
0, FB_VMODE_INTERLACED
|
0, FB_VMODE_INTERLACED
|
}, {
|
}, {
|
/* dblpal */
|
/* dblpal */
|
640, 256, 640, 256, 0, 0, 4, 0,
|
640, 256, 640, 256, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 14, 13, 80, 4,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 14, 13, 80, 4,
|
0, FB_VMODE_DOUBLE
|
0, FB_VMODE_DOUBLE
|
}, {
|
}, {
|
/* dblpal-ff */
|
/* dblpal-ff */
|
640, 512, 640, 512, 0, 0, 4, 0,
|
640, 512, 640, 512, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 28, 27, 80, 7,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 28, 27, 80, 7,
|
0, FB_VMODE_NONINTERLACED
|
0, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* dblpal-lace */
|
/* dblpal-lace */
|
640, 1024, 640, 1024, 0, 0, 4, 0,
|
640, 1024, 640, 1024, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 56, 54, 80, 14,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 196, 124, 56, 54, 80, 14,
|
0, FB_VMODE_INTERLACED
|
0, FB_VMODE_INTERLACED
|
},
|
},
|
|
|
/*
|
/*
|
* VGA Video Modes
|
* VGA Video Modes
|
*/
|
*/
|
|
|
{
|
{
|
/* vga */
|
/* vga */
|
640, 480, 640, 480, 0, 0, 4, 0,
|
640, 480, 640, 480, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 64, 96, 30, 9, 112, 2,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 64, 96, 30, 9, 112, 2,
|
0, FB_VMODE_NONINTERLACED
|
0, FB_VMODE_NONINTERLACED
|
}, {
|
}, {
|
/* vga70 */
|
/* vga70 */
|
640, 400, 640, 400, 0, 0, 4, 0,
|
640, 400, 640, 400, 0, 0, 4, 0,
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
{0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 64, 96, 35, 12, 112, 2,
|
0, 0, -1, -1, FB_ACCEL_NONE, TAG_SHRES, 64, 96, 35, 12, 112, 2,
|
FB_SYNC_VERT_HIGH_ACT | FB_SYNC_COMP_HIGH_ACT, FB_VMODE_NONINTERLACED
|
FB_SYNC_VERT_HIGH_ACT | FB_SYNC_COMP_HIGH_ACT, FB_VMODE_NONINTERLACED
|
},
|
},
|
|
|
/*
|
/*
|
* User Defined Video Modes
|
* User Defined Video Modes
|
*/
|
*/
|
|
|
{ 0, }, { 0, }, { 0, }, { 0, }, { 0, }, { 0, }, { 0, }, { 0, }
|
{ 0, }, { 0, }, { 0, }, { 0, }, { 0, }, { 0, }, { 0, }, { 0, }
|
};
|
};
|
|
|
|
|
#define NUM_USER_MODES (8)
|
#define NUM_USER_MODES (8)
|
#define NUM_TOTAL_MODES arraysize(amiga_fb_predefined)
|
#define NUM_TOTAL_MODES arraysize(amiga_fb_predefined)
|
#define NUM_PREDEF_MODES (NUM_TOTAL_MODES-NUM_USER_MODES)
|
#define NUM_PREDEF_MODES (NUM_TOTAL_MODES-NUM_USER_MODES)
|
|
|
|
|
static int amifb_ilbm = 0; /* interleaved or normal bitplanes */
|
static int amifb_ilbm = 0; /* interleaved or normal bitplanes */
|
|
|
static int amifb_inverse = 0;
|
static int amifb_inverse = 0;
|
static int amifb_mode = 0;
|
static int amifb_mode = 0;
|
|
|
|
|
/*
|
/*
|
* Support for Graphics Boards
|
* Support for Graphics Boards
|
*/
|
*/
|
|
|
#ifdef CONFIG_FB_CYBER /* Cybervision */
|
#ifdef CONFIG_FB_CYBER /* Cybervision */
|
extern int Cyber_probe(void);
|
extern int Cyber_probe(void);
|
extern void Cyber_video_setup(char *options, int *ints);
|
extern void Cyber_video_setup(char *options, int *ints);
|
extern struct fb_info *Cyber_fb_init(long *mem_start);
|
extern struct fb_info *Cyber_fb_init(long *mem_start);
|
|
|
static int amifb_Cyber = 0;
|
static int amifb_Cyber = 0;
|
#endif /* CONFIG_FB_CYBER */
|
#endif /* CONFIG_FB_CYBER */
|
|
|
|
|
/*
|
/*
|
* Some default modes
|
* Some default modes
|
*/
|
*/
|
|
|
#define DEFMODE_PAL "pal" /* for PAL OCS/ECS */
|
#define DEFMODE_PAL "pal" /* for PAL OCS/ECS */
|
#define DEFMODE_NTSC "ntsc" /* for NTSC OCS/ECS */
|
#define DEFMODE_NTSC "ntsc" /* for NTSC OCS/ECS */
|
#define DEFMODE_AMBER_PAL "pal-lace" /* for flicker fixed PAL (A3000) */
|
#define DEFMODE_AMBER_PAL "pal-lace" /* for flicker fixed PAL (A3000) */
|
#define DEFMODE_AMBER_NTSC "ntsc-lace" /* for flicker fixed NTSC (A3000) */
|
#define DEFMODE_AMBER_NTSC "ntsc-lace" /* for flicker fixed NTSC (A3000) */
|
#define DEFMODE_AGA "vga70" /* for AGA */
|
#define DEFMODE_AGA "vga70" /* for AGA */
|
|
|
|
|
/*
|
/*
|
* Interface used by the world
|
* Interface used by the world
|
*/
|
*/
|
|
|
void amiga_video_setup(char *options, int *ints);
|
void amiga_video_setup(char *options, int *ints);
|
|
|
static int amiga_fb_get_fix(struct fb_fix_screeninfo *fix, int con);
|
static int amiga_fb_get_fix(struct fb_fix_screeninfo *fix, int con);
|
static int amiga_fb_get_var(struct fb_var_screeninfo *var, int con);
|
static int amiga_fb_get_var(struct fb_var_screeninfo *var, int con);
|
static int amiga_fb_set_var(struct fb_var_screeninfo *var, int con);
|
static int amiga_fb_set_var(struct fb_var_screeninfo *var, int con);
|
static int amiga_fb_get_cmap(struct fb_cmap *cmap, int kspc, int con);
|
static int amiga_fb_get_cmap(struct fb_cmap *cmap, int kspc, int con);
|
static int amiga_fb_set_cmap(struct fb_cmap *cmap, int kspc, int con);
|
static int amiga_fb_set_cmap(struct fb_cmap *cmap, int kspc, int con);
|
static int amiga_fb_pan_display(struct fb_var_screeninfo *var, int con);
|
static int amiga_fb_pan_display(struct fb_var_screeninfo *var, int con);
|
|
|
static int amiga_fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
|
static int amiga_fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
|
u_long arg, int con);
|
u_long arg, int con);
|
|
|
static int amiga_fb_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix, int con);
|
static int amiga_fb_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix, int con);
|
static int amiga_fb_get_var_cursorinfo(struct fb_var_cursorinfo *var, int con);
|
static int amiga_fb_get_var_cursorinfo(struct fb_var_cursorinfo *var, int con);
|
static int amiga_fb_set_var_cursorinfo(struct fb_var_cursorinfo *var, int con);
|
static int amiga_fb_set_var_cursorinfo(struct fb_var_cursorinfo *var, int con);
|
static int amiga_fb_get_cursorstate(struct fb_cursorstate *state, int con);
|
static int amiga_fb_get_cursorstate(struct fb_cursorstate *state, int con);
|
static int amiga_fb_set_cursorstate(struct fb_cursorstate *state, int con);
|
static int amiga_fb_set_cursorstate(struct fb_cursorstate *state, int con);
|
|
|
|
|
/*
|
/*
|
* Interface to the low level console driver
|
* Interface to the low level console driver
|
*/
|
*/
|
|
|
struct fb_info *amiga_fb_init(long *mem_start);
|
struct fb_info *amiga_fb_init(long *mem_start);
|
static int amifb_switch(int con);
|
static int amifb_switch(int con);
|
static int amifb_updatevar(int con);
|
static int amifb_updatevar(int con);
|
static void amifb_blank(int blank);
|
static void amifb_blank(int blank);
|
|
|
|
|
/*
|
/*
|
* Support for OCS
|
* Support for OCS
|
*/
|
*/
|
|
|
#ifdef CONFIG_AMIFB_OCS
|
#ifdef CONFIG_AMIFB_OCS
|
#error "OCS support: not yet implemented"
|
#error "OCS support: not yet implemented"
|
#endif /* CONFIG_AMIFB_OCS */
|
#endif /* CONFIG_AMIFB_OCS */
|
|
|
|
|
/*
|
/*
|
* Support for ECS
|
* Support for ECS
|
*/
|
*/
|
|
|
#ifdef CONFIG_AMIFB_ECS
|
#ifdef CONFIG_AMIFB_ECS
|
#error "ECS support: not yet implemented"
|
#error "ECS support: not yet implemented"
|
#endif /* CONFIG_AMIFB_ECS */
|
#endif /* CONFIG_AMIFB_ECS */
|
|
|
|
|
/*
|
/*
|
* Support for AGA
|
* Support for AGA
|
*/
|
*/
|
|
|
#ifdef CONFIG_AMIFB_AGA
|
#ifdef CONFIG_AMIFB_AGA
|
static int aga_init(void);
|
static int aga_init(void);
|
static int aga_encode_fix(struct fb_fix_screeninfo *fix,
|
static int aga_encode_fix(struct fb_fix_screeninfo *fix,
|
struct amiga_fb_par *par);
|
struct amiga_fb_par *par);
|
static int aga_decode_var(struct fb_var_screeninfo *var,
|
static int aga_decode_var(struct fb_var_screeninfo *var,
|
struct amiga_fb_par *par);
|
struct amiga_fb_par *par);
|
static int aga_encode_var(struct fb_var_screeninfo *var,
|
static int aga_encode_var(struct fb_var_screeninfo *var,
|
struct amiga_fb_par *par);
|
struct amiga_fb_par *par);
|
static int aga_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue,
|
static int aga_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue,
|
u_int *transp);
|
u_int *transp);
|
static int aga_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
|
static int aga_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
|
u_int transp);
|
u_int transp);
|
static int aga_pan_display(struct fb_var_screeninfo *var,
|
static int aga_pan_display(struct fb_var_screeninfo *var,
|
struct amiga_fb_par *par);
|
struct amiga_fb_par *par);
|
static void aga_do_vmode(void);
|
static void aga_do_vmode(void);
|
static void aga_do_blank(int blank);
|
static void aga_do_blank(int blank);
|
static void aga_do_movecursor(void);
|
static void aga_do_movecursor(void);
|
static void aga_do_flashcursor(void);
|
static void aga_do_flashcursor(void);
|
|
|
static int aga_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix, int con);
|
static int aga_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix, int con);
|
static int aga_get_var_cursorinfo(struct fb_var_cursorinfo *var, int con);
|
static int aga_get_var_cursorinfo(struct fb_var_cursorinfo *var, int con);
|
static int aga_set_var_cursorinfo(struct fb_var_cursorinfo *var, int con);
|
static int aga_set_var_cursorinfo(struct fb_var_cursorinfo *var, int con);
|
static int aga_get_cursorstate(struct fb_cursorstate *state, int con);
|
static int aga_get_cursorstate(struct fb_cursorstate *state, int con);
|
static int aga_set_cursorstate(struct fb_cursorstate *state, int con);
|
static int aga_set_cursorstate(struct fb_cursorstate *state, int con);
|
|
|
static __inline__ void aga_build_clist_hdr(struct clist_hdr *cop);
|
static __inline__ void aga_build_clist_hdr(struct clist_hdr *cop);
|
static __inline__ void aga_update_clist_hdr(struct clist_hdr *cop,
|
static __inline__ void aga_update_clist_hdr(struct clist_hdr *cop,
|
struct amiga_fb_par *par);
|
struct amiga_fb_par *par);
|
static void aga_build_clist_dyn(struct clist_dyn *cop,
|
static void aga_build_clist_dyn(struct clist_dyn *cop,
|
struct clist_dyn *othercop, u_short shf,
|
struct clist_dyn *othercop, u_short shf,
|
struct amiga_fb_par *par);
|
struct amiga_fb_par *par);
|
#endif /* CONFIG_AMIFB_AGA */
|
#endif /* CONFIG_AMIFB_AGA */
|
|
|
|
|
/*
|
/*
|
* Internal routines
|
* Internal routines
|
*/
|
*/
|
|
|
static u_long chipalloc(u_long size);
|
static u_long chipalloc(u_long size);
|
static void amiga_fb_get_par(struct amiga_fb_par *par);
|
static void amiga_fb_get_par(struct amiga_fb_par *par);
|
static void amiga_fb_set_par(struct amiga_fb_par *par);
|
static void amiga_fb_set_par(struct amiga_fb_par *par);
|
static int do_fb_set_var(struct fb_var_screeninfo *var, int isactive);
|
static int do_fb_set_var(struct fb_var_screeninfo *var, int isactive);
|
static struct fb_cmap *get_default_colormap(int bpp);
|
static struct fb_cmap *get_default_colormap(int bpp);
|
static int do_fb_get_cmap(struct fb_cmap *cmap, struct fb_var_screeninfo *var,
|
static int do_fb_get_cmap(struct fb_cmap *cmap, struct fb_var_screeninfo *var,
|
int kspc);
|
int kspc);
|
static int do_fb_set_cmap(struct fb_cmap *cmap, struct fb_var_screeninfo *var,
|
static int do_fb_set_cmap(struct fb_cmap *cmap, struct fb_var_screeninfo *var,
|
int kspc);
|
int kspc);
|
static void do_install_cmap(int con);
|
static void do_install_cmap(int con);
|
static void memcpy_fs(int fsfromto, void *to, void *from, int len);
|
static void memcpy_fs(int fsfromto, void *to, void *from, int len);
|
static void copy_cmap(struct fb_cmap *from, struct fb_cmap *to, int fsfromto);
|
static void copy_cmap(struct fb_cmap *from, struct fb_cmap *to, int fsfromto);
|
static int alloc_cmap(struct fb_cmap *cmap, int len, int transp);
|
static int alloc_cmap(struct fb_cmap *cmap, int len, int transp);
|
static void amiga_fb_set_disp(int con);
|
static void amiga_fb_set_disp(int con);
|
static void amifb_interrupt(int irq, struct pt_regs *fp, void *dummy);
|
static void amifb_interrupt(int irq, struct pt_regs *fp, void *dummy);
|
static char * strtoke(char * s,const char * ct);
|
static char * strtoke(char * s,const char * ct);
|
static int get_video_mode(const char *name);
|
static int get_video_mode(const char *name);
|
static void check_default_mode(void);
|
static void check_default_mode(void);
|
|
|
|
|
#ifdef USE_MONO_AMIFB_IF_NON_AGA
|
#ifdef USE_MONO_AMIFB_IF_NON_AGA
|
|
|
/******************************************************************************
|
/******************************************************************************
|
*
|
*
|
* This is the old monochrome frame buffer device. It's invoked if we're running
|
* This is the old monochrome frame buffer device. It's invoked if we're running
|
* on a non-AGA machine, until the color support for OCS/ECS is finished.
|
* on a non-AGA machine, until the color support for OCS/ECS is finished.
|
*
|
*
|
******************************************************************************/
|
******************************************************************************/
|
|
|
/*
|
/*
|
* atari/atafb.c -- Low level implementation of Atari frame buffer device
|
* atari/atafb.c -- Low level implementation of Atari frame buffer device
|
* amiga/amifb.c -- Low level implementation of Amiga frame buffer device
|
* amiga/amifb.c -- Low level implementation of Amiga frame buffer device
|
*
|
*
|
* Copyright (C) 1994 Martin Schaller & Roman Hodek & Geert Uytterhoeven
|
* Copyright (C) 1994 Martin Schaller & Roman Hodek & Geert Uytterhoeven
|
*
|
*
|
* This file is subject to the terms and conditions of the GNU General Public
|
* This file is subject to the terms and conditions of the GNU General Public
|
* License. See the file COPYING in the main directory of this archive
|
* License. See the file COPYING in the main directory of this archive
|
* for more details.
|
* for more details.
|
*
|
*
|
* History:
|
* History:
|
* - 03 Jan 95: Original version my Martin Schaller: The TT driver and
|
* - 03 Jan 95: Original version my Martin Schaller: The TT driver and
|
* all the device independent stuff
|
* all the device independent stuff
|
* - 09 Jan 95: Roman: I've added the hardware abstraction (hw_switch)
|
* - 09 Jan 95: Roman: I've added the hardware abstraction (hw_switch)
|
* and wrote the Falcon, ST(E), and External drivers
|
* and wrote the Falcon, ST(E), and External drivers
|
* based on the original TT driver.
|
* based on the original TT driver.
|
* - 26 Jan 95: Geert: Amiga version
|
* - 26 Jan 95: Geert: Amiga version
|
* - 19 Feb 95: Hamish: added Jes Sorensen's ECS patches to the Amiga
|
* - 19 Feb 95: Hamish: added Jes Sorensen's ECS patches to the Amiga
|
* frame buffer device. This provides ECS support and the
|
* frame buffer device. This provides ECS support and the
|
* following screen-modes: multiscan, multiscan-lace,
|
* following screen-modes: multiscan, multiscan-lace,
|
* super72, super72-lace, dblntsc, dblpal & euro72.
|
* super72, super72-lace, dblntsc, dblpal & euro72.
|
* He suggests that we remove the old AGA screenmodes,
|
* He suggests that we remove the old AGA screenmodes,
|
* as they are non-standard, and some of them doesn't work
|
* as they are non-standard, and some of them doesn't work
|
* under ECS.
|
* under ECS.
|
*/
|
*/
|
|
|
static struct mono_mono_amiga_fb_par {
|
static struct mono_mono_amiga_fb_par {
|
u_long smem_start;
|
u_long smem_start;
|
u_long smem_len;
|
u_long smem_len;
|
struct geometry *geometry;
|
struct geometry *geometry;
|
ushort scr_max_height; /* screen dimensions */
|
ushort scr_max_height; /* screen dimensions */
|
ushort scr_max_width;
|
ushort scr_max_width;
|
ushort scr_height;
|
ushort scr_height;
|
ushort scr_width;
|
ushort scr_width;
|
ushort scr_depth;
|
ushort scr_depth;
|
int bytes_per_row; /* offset to one line below */
|
int bytes_per_row; /* offset to one line below */
|
ulong fgcol;
|
ulong fgcol;
|
ulong bgcol;
|
ulong bgcol;
|
ulong crsrcol;
|
ulong crsrcol;
|
ushort scroll_latch; /* Vblank support for hardware scroll */
|
ushort scroll_latch; /* Vblank support for hardware scroll */
|
ushort y_wrap;
|
ushort y_wrap;
|
ushort cursor_latch; /* Hardware cursor */
|
ushort cursor_latch; /* Hardware cursor */
|
ushort *cursor, *dummy;
|
ushort *cursor, *dummy;
|
ushort cursor_flash;
|
ushort cursor_flash;
|
ushort cursor_visible;
|
ushort cursor_visible;
|
ushort diwstrt_v, diwstrt_h; /* display window control */
|
ushort diwstrt_v, diwstrt_h; /* display window control */
|
ushort diwstop_v, diwstop_h;
|
ushort diwstop_v, diwstop_h;
|
ushort bplcon0; /* display mode */
|
ushort bplcon0; /* display mode */
|
ushort htotal;
|
ushort htotal;
|
u_char *bitplane[8]; /* pointers to display bitplanes */
|
u_char *bitplane[8]; /* pointers to display bitplanes */
|
ulong plane_size;
|
ulong plane_size;
|
ushort *coplist1hdr; /* List 1 static component */
|
ushort *coplist1hdr; /* List 1 static component */
|
ushort *coplist1dyn; /* List 1 dynamic component */
|
ushort *coplist1dyn; /* List 1 dynamic component */
|
ushort *coplist2hdr; /* List 2 static component */
|
ushort *coplist2hdr; /* List 2 static component */
|
ushort *coplist2dyn; /* List 2 dynamic component */
|
ushort *coplist2dyn; /* List 2 dynamic component */
|
} mono_current_par;
|
} mono_current_par;
|
|
|
|
|
static ushort mono_cursor_data[] =
|
static ushort mono_cursor_data[] =
|
{
|
{
|
0x2c81,0x2d00,
|
0x2c81,0x2d00,
|
0xf000,0x0000,
|
0xf000,0x0000,
|
0x0000,0x0000
|
0x0000,0x0000
|
};
|
};
|
|
|
|
|
/*
|
/*
|
* Color definitions
|
* Color definitions
|
*/
|
*/
|
|
|
#define FG_COLOR (0x000000) /* black */
|
#define FG_COLOR (0x000000) /* black */
|
#define BG_COLOR (0xaaaaaa) /* lt. grey */
|
#define BG_COLOR (0xaaaaaa) /* lt. grey */
|
#define CRSR_COLOR (0xff0000) /* bright red */
|
#define CRSR_COLOR (0xff0000) /* bright red */
|
|
|
#define FG_COLOR_INV BG_COLOR
|
#define FG_COLOR_INV BG_COLOR
|
#define BG_COLOR_INV FG_COLOR
|
#define BG_COLOR_INV FG_COLOR
|
#define CRSR_COLOR_INV (0x6677aa) /* a blue-ish color */
|
#define CRSR_COLOR_INV (0x6677aa) /* a blue-ish color */
|
|
|
/*
|
/*
|
* Split 24-bit RGB colors in 12-bit MSB (for OCS/ECS/AGA) and LSB (for AGA)
|
* Split 24-bit RGB colors in 12-bit MSB (for OCS/ECS/AGA) and LSB (for AGA)
|
*/
|
*/
|
|
|
#define COLOR_MSB(rgb) (((rgb>>12)&0xf00)|((rgb>>8)&0x0f0)|((rgb>>4)&0x00f))
|
#define COLOR_MSB(rgb) (((rgb>>12)&0xf00)|((rgb>>8)&0x0f0)|((rgb>>4)&0x00f))
|
#define COLOR_LSB(rgb) (((rgb>>8) &0xf00)|((rgb>>4)&0x0f0)|((rgb) &0x00f))
|
#define COLOR_LSB(rgb) (((rgb>>8) &0xf00)|((rgb>>4)&0x0f0)|((rgb) &0x00f))
|
|
|
/* Cursor definitions */
|
/* Cursor definitions */
|
|
|
#define CRSR_FLASH 1 /* Cursor flashing on(1)/off(0) */
|
#define CRSR_FLASH 1 /* Cursor flashing on(1)/off(0) */
|
#define CRSR_BLOCK 1 /* Block(1) or line(0) cursor */
|
#define CRSR_BLOCK 1 /* Block(1) or line(0) cursor */
|
|
|
|
|
/* controlling screen blanking (read in VBL handler) */
|
/* controlling screen blanking (read in VBL handler) */
|
static int mono_do_blank;
|
static int mono_do_blank;
|
static int mono_do_unblank;
|
static int mono_do_unblank;
|
static unsigned short mono_save_bplcon3;
|
static unsigned short mono_save_bplcon3;
|
|
|
/*
|
/*
|
* mono_ecs_color_zero is used to keep custom.color[0] for the special ECS color-
|
* mono_ecs_color_zero is used to keep custom.color[0] for the special ECS color-
|
* table, as custom.color[0] is cleared at vblank interrupts.
|
* table, as custom.color[0] is cleared at vblank interrupts.
|
* -Jes (jds@kom.auc.dk)
|
* -Jes (jds@kom.auc.dk)
|
*/
|
*/
|
|
|
static ushort mono_ecs_color_zero;
|
static ushort mono_ecs_color_zero;
|
|
|
static struct {
|
static struct {
|
int right_count;
|
int right_count;
|
int done;
|
int done;
|
} mono_vblank;
|
} mono_vblank;
|
|
|
|
|
static __inline__ void mono_init_vblank(void)
|
static __inline__ void mono_init_vblank(void)
|
{
|
{
|
mono_vblank.right_count = 0;
|
mono_vblank.right_count = 0;
|
mono_vblank.done = 0;
|
mono_vblank.done = 0;
|
}
|
}
|
|
|
/* Geometry structure contains all useful information about given mode.
|
/* Geometry structure contains all useful information about given mode.
|
*
|
*
|
* Strictly speaking `scr_max_height' and `scr_max_width' is redundant
|
* Strictly speaking `scr_max_height' and `scr_max_width' is redundant
|
* information with DIWSTRT value provided. Might be useful if modes
|
* information with DIWSTRT value provided. Might be useful if modes
|
* can be hotwired by user in future. It fits for the moment.
|
* can be hotwired by user in future. It fits for the moment.
|
*
|
*
|
* At the moment, the code only distinguishes between OCS and AGA. ECS
|
* At the moment, the code only distinguishes between OCS and AGA. ECS
|
* lies somewhere in between - someone more familiar with it could make
|
* lies somewhere in between - someone more familiar with it could make
|
* appropriate modifications so that some advanced display modes are
|
* appropriate modifications so that some advanced display modes are
|
* available, without confusing the poor chipset. OCS modes use only the
|
* available, without confusing the poor chipset. OCS modes use only the
|
* bplcon0, diwstrt, diwstop, ddfstrt, ddfstop registers (a few others could
|
* bplcon0, diwstrt, diwstop, ddfstrt, ddfstop registers (a few others could
|
* be used as well). -wjr
|
* be used as well). -wjr
|
*
|
*
|
* The code now supports ECS as well, except for FMODE all control registers
|
* The code now supports ECS as well, except for FMODE all control registers
|
* are the same under ECS. A special color-table has to be generated though.
|
* are the same under ECS. A special color-table has to be generated though.
|
* -Jes
|
* -Jes
|
*/
|
*/
|
struct geometry {
|
struct geometry {
|
char *modename; /* Name this thing */
|
char *modename; /* Name this thing */
|
char isOCS; /* Is it OCS or ECS/AGA */
|
char isOCS; /* Is it OCS or ECS/AGA */
|
ushort bplcon0; /* Values for bit plane control register 0 */
|
ushort bplcon0; /* Values for bit plane control register 0 */
|
ushort scr_width;
|
ushort scr_width;
|
ushort scr_height;
|
ushort scr_height;
|
ushort scr_depth;
|
ushort scr_depth;
|
ushort scr_max_width; /* Historical, might be useful still */
|
ushort scr_max_width; /* Historical, might be useful still */
|
ushort scr_max_height;
|
ushort scr_max_height;
|
ushort diwstrt_h; /* Where the display window starts */
|
ushort diwstrt_h; /* Where the display window starts */
|
ushort diwstrt_v;
|
ushort diwstrt_v;
|
ushort alignment; /* Pixels per scanline must be a multiple of this */
|
ushort alignment; /* Pixels per scanline must be a multiple of this */
|
/* OCS doesn't need anything past here */
|
/* OCS doesn't need anything past here */
|
ushort bplcon2;
|
ushort bplcon2;
|
ushort bplcon3;
|
ushort bplcon3;
|
/* The rest of these control variable sync */
|
/* The rest of these control variable sync */
|
ushort htotal; /* Total hclocks */
|
ushort htotal; /* Total hclocks */
|
ushort hsstrt; /* HSYNC start and stop */
|
ushort hsstrt; /* HSYNC start and stop */
|
ushort hsstop;
|
ushort hsstop;
|
ushort hbstrt; /* HBLANK start and stop */
|
ushort hbstrt; /* HBLANK start and stop */
|
ushort hbstop;
|
ushort hbstop;
|
ushort vtotal; /* Total vlines */
|
ushort vtotal; /* Total vlines */
|
ushort vsstrt; /* VSYNC, VBLANK ditto */
|
ushort vsstrt; /* VSYNC, VBLANK ditto */
|
ushort vsstop;
|
ushort vsstop;
|
ushort vbstrt;
|
ushort vbstrt;
|
ushort vbstop;
|
ushort vbstop;
|
ushort hcenter; /* Center of line, for interlaced modes */
|
ushort hcenter; /* Center of line, for interlaced modes */
|
ushort beamcon0; /* Beam control */
|
ushort beamcon0; /* Beam control */
|
ushort fmode; /* Memory fetch mode */
|
ushort fmode; /* Memory fetch mode */
|
};
|
};
|
|
|
#define MAX_COP_LIST_ENTS 64
|
#define MAX_COP_LIST_ENTS 64
|
#define COP_MEM_REQ (MAX_COP_LIST_ENTS*4*2)
|
#define COP_MEM_REQ (MAX_COP_LIST_ENTS*4*2)
|
#define SPR_MEM_REQ (24)
|
#define SPR_MEM_REQ (24)
|
|
|
|
|
static struct geometry mono_modes[] = {
|
static struct geometry mono_modes[] = {
|
/* NTSC modes: !!! can't guarantee anything about overscan modes !!! */
|
/* NTSC modes: !!! can't guarantee anything about overscan modes !!! */
|
{
|
{
|
"ntsc-lace", 1,
|
"ntsc-lace", 1,
|
BPC0_HIRES | BPC0_LACE,
|
BPC0_HIRES | BPC0_LACE,
|
640, 400, 1,
|
640, 400, 1,
|
704, 480,
|
704, 480,
|
0x71, 0x18, /* diwstrt h,v */
|
0x71, 0x18, /* diwstrt h,v */
|
16 /* WORD aligned */
|
16 /* WORD aligned */
|
}, {
|
}, {
|
"ntsc", 1,
|
"ntsc", 1,
|
BPC0_HIRES,
|
BPC0_HIRES,
|
640, 200, 1,
|
640, 200, 1,
|
704, 240,
|
704, 240,
|
0x71, 0x18,
|
0x71, 0x18,
|
16 /* WORD aligned */
|
16 /* WORD aligned */
|
}, {
|
}, {
|
"ntsc-lace-over", 1,
|
"ntsc-lace-over", 1,
|
BPC0_HIRES | BPC0_LACE,
|
BPC0_HIRES | BPC0_LACE,
|
704, 480, 1,
|
704, 480, 1,
|
704, 480,
|
704, 480,
|
0x71, 0x18,
|
0x71, 0x18,
|
16 /* WORD aligned */
|
16 /* WORD aligned */
|
}, {
|
}, {
|
"ntsc-over", 1,
|
"ntsc-over", 1,
|
BPC0_HIRES,
|
BPC0_HIRES,
|
704, 240, 1,
|
704, 240, 1,
|
704, 240,
|
704, 240,
|
0x71, 0x18,
|
0x71, 0x18,
|
16 /* WORD aligned */
|
16 /* WORD aligned */
|
},
|
},
|
/* PAL modes. Warning:
|
/* PAL modes. Warning:
|
*
|
*
|
* PAL overscan causes problems on my machine because maximum diwstop_h
|
* PAL overscan causes problems on my machine because maximum diwstop_h
|
* value seems to be ~0x1c2, rather than 0x1e0+ inferred by RKM 1.1
|
* value seems to be ~0x1c2, rather than 0x1e0+ inferred by RKM 1.1
|
* and 0x1d5 inferred by original `amicon.c' source. Is this a hardware
|
* and 0x1d5 inferred by original `amicon.c' source. Is this a hardware
|
* limitation of OCS/pal or 1084?. Or am I doing something stupid here?
|
* limitation of OCS/pal or 1084?. Or am I doing something stupid here?
|
*
|
*
|
* Included a couple of overscan modes that DO work on my machine,
|
* Included a couple of overscan modes that DO work on my machine,
|
* although not particularly useful.
|
* although not particularly useful.
|
*/
|
*/
|
{
|
{
|
"pal-lace", 1,
|
"pal-lace", 1,
|
BPC0_HIRES | BPC0_LACE,
|
BPC0_HIRES | BPC0_LACE,
|
640, 512, 1,
|
640, 512, 1,
|
704, 592,
|
704, 592,
|
0x71, 0x18,
|
0x71, 0x18,
|
16 /* WORD aligned */
|
16 /* WORD aligned */
|
}, {
|
}, {
|
"pal", 1,
|
"pal", 1,
|
BPC0_HIRES,
|
BPC0_HIRES,
|
640, 256, 1,
|
640, 256, 1,
|
704, 296,
|
704, 296,
|
0x71, 0x18,
|
0x71, 0x18,
|
16 /* WORD aligned */
|
16 /* WORD aligned */
|
}, {
|
}, {
|
"pal-lace-over", 1,
|
"pal-lace-over", 1,
|
BPC0_HIRES | BPC0_LACE,
|
BPC0_HIRES | BPC0_LACE,
|
704, 592, 1,
|
704, 592, 1,
|
704, 582,
|
704, 582,
|
0x5b, 0x18,
|
0x5b, 0x18,
|
16 /* WORD aligned */
|
16 /* WORD aligned */
|
}, {
|
}, {
|
"pal-over", 1,
|
"pal-over", 1,
|
BPC0_HIRES,
|
BPC0_HIRES,
|
704, 296, 1,
|
704, 296, 1,
|
704, 296,
|
704, 296,
|
0x5b, 0x18,
|
0x5b, 0x18,
|
16 /* WORD aligned */
|
16 /* WORD aligned */
|
|
|
},
|
},
|
/* ECS modes, these are real ECS modes */
|
/* ECS modes, these are real ECS modes */
|
{
|
{
|
"multiscan", 0,
|
"multiscan", 0,
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
640, 480, 1,
|
640, 480, 1,
|
640, 480,
|
640, 480,
|
0x0041, 0x002c, /* diwstrt h,v */
|
0x0041, 0x002c, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
|
|
0x0072, /* htotal */
|
0x0072, /* htotal */
|
0x000a, /* hsstrt */
|
0x000a, /* hsstrt */
|
0x0013, /* hsstop */
|
0x0013, /* hsstop */
|
0x0002, /* hbstrt */
|
0x0002, /* hbstrt */
|
0x001c, /* hbstop */
|
0x001c, /* hbstop */
|
0x020c, /* vtotal */
|
0x020c, /* vtotal */
|
0x0008, /* vsstrt */
|
0x0008, /* vsstrt */
|
0x0011, /* vsstop */
|
0x0011, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x001c, /* vbstop */
|
0x001c, /* vbstop */
|
0x0043, /* hcenter */
|
0x0043, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
/* beamcon0 */
|
/* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
},
|
},
|
{
|
{
|
"multiscan-lace", 0,
|
"multiscan-lace", 0,
|
BPC0_SHRES | BPC0_LACE | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_LACE | BPC0_ECSENA, /* bplcon0 */
|
640, 960, 1,
|
640, 960, 1,
|
640, 960,
|
640, 960,
|
0x0041, 0x002c, /* diwstrt h,v */
|
0x0041, 0x002c, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
|
|
0x0072, /* htotal */
|
0x0072, /* htotal */
|
0x000a, /* hsstrt */
|
0x000a, /* hsstrt */
|
0x0013, /* hsstop */
|
0x0013, /* hsstop */
|
0x0002, /* hbstrt */
|
0x0002, /* hbstrt */
|
0x001c, /* hbstop */
|
0x001c, /* hbstop */
|
0x020c, /* vtotal */
|
0x020c, /* vtotal */
|
0x0008, /* vsstrt */
|
0x0008, /* vsstrt */
|
0x0011, /* vsstop */
|
0x0011, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x001c, /* vbstop */
|
0x001c, /* vbstop */
|
0x0043, /* hcenter */
|
0x0043, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
/* beamcon0 */
|
/* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
},
|
},
|
/* Super 72 - 800x300 72Hz noninterlaced mode. */
|
/* Super 72 - 800x300 72Hz noninterlaced mode. */
|
{
|
{
|
"super72", 0,
|
"super72", 0,
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
800, 304, 1, /* need rows%8 == 0 */
|
800, 304, 1, /* need rows%8 == 0 */
|
800, 304, /* (cols too) */
|
800, 304, /* (cols too) */
|
0x0051, 0x0021, /* diwstrt h,v */
|
0x0051, 0x0021, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
0x0091, /* htotal */
|
0x0091, /* htotal */
|
0x000a, /* hsstrt */
|
0x000a, /* hsstrt */
|
0x0013, /* hsstop */
|
0x0013, /* hsstop */
|
0x0001, /* hbstrt */
|
0x0001, /* hbstrt */
|
0x001e, /* hbstop */
|
0x001e, /* hbstop */
|
0x0156, /* vtotal */
|
0x0156, /* vtotal */
|
0x0009, /* vsstrt */
|
0x0009, /* vsstrt */
|
0x0012, /* vsstop */
|
0x0012, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x001c, /* vbstop */
|
0x001c, /* vbstop */
|
0x0052, /* hcenter */
|
0x0052, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
/* beamcon0 */
|
/* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
},
|
},
|
/* Super 72 lace - 800x600 72Hz interlaced mode. */
|
/* Super 72 lace - 800x600 72Hz interlaced mode. */
|
{
|
{
|
"super72-lace", 0,
|
"super72-lace", 0,
|
BPC0_SHRES | BPC0_LACE | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_LACE | BPC0_ECSENA, /* bplcon0 */
|
800, 600, 1, /* need rows%8 == 0 */
|
800, 600, 1, /* need rows%8 == 0 */
|
800, 600, /* (cols too) */
|
800, 600, /* (cols too) */
|
0x0051, 0x0021, /* diwstrt h,v */
|
0x0051, 0x0021, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN,
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN,
|
/* bplcon3 */
|
/* bplcon3 */
|
0x0091, /* htotal */
|
0x0091, /* htotal */
|
0x000a, /* hsstrt */
|
0x000a, /* hsstrt */
|
0x0013, /* hsstop */
|
0x0013, /* hsstop */
|
0x0001, /* hbstrt */
|
0x0001, /* hbstrt */
|
0x001e, /* hbstop */
|
0x001e, /* hbstop */
|
0x0150, /* vtotal */
|
0x0150, /* vtotal */
|
0x0009, /* vsstrt */
|
0x0009, /* vsstrt */
|
0x0012, /* vsstop */
|
0x0012, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x001c, /* vbstop */
|
0x001c, /* vbstop */
|
0x0052, /* hcenter */
|
0x0052, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
/* beamcon0 */
|
/* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
},
|
},
|
/* DblNtsc - 640x400 59Hz noninterlaced mode. */
|
/* DblNtsc - 640x400 59Hz noninterlaced mode. */
|
{
|
{
|
"dblntsc", 0,
|
"dblntsc", 0,
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
640, 400, 1, /* need rows%8 == 0 */
|
640, 400, 1, /* need rows%8 == 0 */
|
640, 400, /* (cols too) */
|
640, 400, /* (cols too) */
|
0x0049, 0x0021, /* diwstrt h,v */
|
0x0049, 0x0021, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN,
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN,
|
/* bplcon3 */
|
/* bplcon3 */
|
0x0079, /* htotal */
|
0x0079, /* htotal */
|
0x0007, /* hsstrt */
|
0x0007, /* hsstrt */
|
0x0013, /* hsstop */
|
0x0013, /* hsstop */
|
0x0001, /* hbstrt */
|
0x0001, /* hbstrt */
|
0x001e, /* hbstop */
|
0x001e, /* hbstop */
|
0x01ec, /* vtotal */
|
0x01ec, /* vtotal */
|
0x0008, /* vsstrt */
|
0x0008, /* vsstrt */
|
0x0010, /* vsstop */
|
0x0010, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x0019, /* vbstop */
|
0x0019, /* vbstop */
|
0x0046, /* hcenter */
|
0x0046, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
/* beamcon0 */
|
/* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
},
|
},
|
/* DblPal - 640x512 52Hz noninterlaced mode. */
|
/* DblPal - 640x512 52Hz noninterlaced mode. */
|
{
|
{
|
"dblpal", 0,
|
"dblpal", 0,
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
640, 512, 1, /* need rows%8 == 0 */
|
640, 512, 1, /* need rows%8 == 0 */
|
640, 512, /* (cols too) */
|
640, 512, /* (cols too) */
|
0x0049, 0x0021, /* diwstrt h,v */
|
0x0049, 0x0021, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN,
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN,
|
/* bplcon3 */
|
/* bplcon3 */
|
0x0079, /* htotal */
|
0x0079, /* htotal */
|
0x0007, /* hsstrt */
|
0x0007, /* hsstrt */
|
0x0013, /* hsstop */
|
0x0013, /* hsstop */
|
0x0001, /* hbstrt */
|
0x0001, /* hbstrt */
|
0x001e, /* hbstop */
|
0x001e, /* hbstop */
|
0x0234, /* vtotal */
|
0x0234, /* vtotal */
|
0x0008, /* vsstrt */
|
0x0008, /* vsstrt */
|
0x0010, /* vsstop */
|
0x0010, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x0019, /* vbstop */
|
0x0019, /* vbstop */
|
0x0046, /* hcenter */
|
0x0046, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
/* beamcon0 */
|
/* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
},
|
},
|
/* Euro72 - productivity - 640x400 71Hz noninterlaced mode. */
|
/* Euro72 - productivity - 640x400 71Hz noninterlaced mode. */
|
{
|
{
|
"euro72", 0,
|
"euro72", 0,
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
640, 400, 1, /* need rows%8 == 0 */
|
640, 400, 1, /* need rows%8 == 0 */
|
640, 400, /* (cols too) */
|
640, 400, /* (cols too) */
|
0x0041, 0x0021, /* diwstrt h,v */
|
0x0041, 0x0021, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN,
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN,
|
/* bplcon3 */
|
/* bplcon3 */
|
0x0071, /* htotal */
|
0x0071, /* htotal */
|
0x0009, /* hsstrt */
|
0x0009, /* hsstrt */
|
0x0013, /* hsstop */
|
0x0013, /* hsstop */
|
0x0001, /* hbstrt */
|
0x0001, /* hbstrt */
|
0x001e, /* hbstop */
|
0x001e, /* hbstop */
|
0x01be, /* vtotal */
|
0x01be, /* vtotal */
|
0x0008, /* vsstrt */
|
0x0008, /* vsstrt */
|
0x0016, /* vsstop */
|
0x0016, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x001f, /* vbstop */
|
0x001f, /* vbstop */
|
0x0041, /* hcenter */
|
0x0041, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN,
|
/* beamcon0 */
|
/* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
},
|
},
|
/* AGA modes */
|
/* AGA modes */
|
{
|
{
|
/*
|
/*
|
* A 640x480, 60Hz noninterlaced AGA mode. It would be nice to be
|
* A 640x480, 60Hz noninterlaced AGA mode. It would be nice to be
|
* able to have some of these values computed dynamically, but that
|
* able to have some of these values computed dynamically, but that
|
* requires more knowledge of AGA than I have. At the moment,
|
* requires more knowledge of AGA than I have. At the moment,
|
* the values make it centered on my 1960 monitor. -wjr
|
* the values make it centered on my 1960 monitor. -wjr
|
*
|
*
|
* For random reasons to do with the way arguments are parsed,
|
* For random reasons to do with the way arguments are parsed,
|
* these names can't start with a digit.
|
* these names can't start with a digit.
|
*
|
*
|
* Don't count on being able to reduce scr_width and scr_height
|
* Don't count on being able to reduce scr_width and scr_height
|
* and ending up with a smaller but well-formed screen - this
|
* and ending up with a smaller but well-formed screen - this
|
* doesn't seem to work well at the moment.
|
* doesn't seem to work well at the moment.
|
*/
|
*/
|
"aga640x480", 0,
|
"aga640x480", 0,
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
640, 480, 1,
|
640, 480, 1,
|
640, 480,
|
640, 480,
|
0x0041, 0x002b, /* diwstrt h,v */
|
0x0041, 0x002b, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
0x0071, /* htotal */
|
0x0071, /* htotal */
|
0x000c, /* hsstrt */
|
0x000c, /* hsstrt */
|
0x001c, /* hsstop */
|
0x001c, /* hsstop */
|
0x0008, /* hbstrt */
|
0x0008, /* hbstrt */
|
0x001e, /* hbstop */
|
0x001e, /* hbstop */
|
0x020c, /* vtotal */
|
0x020c, /* vtotal */
|
0x0001, /* vsstrt */
|
0x0001, /* vsstrt */
|
0x0003, /* vsstop */
|
0x0003, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x000f, /* vbstop */
|
0x000f, /* vbstop */
|
0x0046, /* hcenter */
|
0x0046, /* hcenter */
|
BMC0_HARDDIS | BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_HARDDIS | BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN, /* beamcon0 */
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN, /* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
}, {
|
}, {
|
/* An 800x600 72Hz interlaced mode. */
|
/* An 800x600 72Hz interlaced mode. */
|
"aga800x600", 0,
|
"aga800x600", 0,
|
BPC0_SHRES | BPC0_LACE | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_LACE | BPC0_ECSENA, /* bplcon0 */
|
896, 624, 1, /* need rows%8 == 0 */
|
896, 624, 1, /* need rows%8 == 0 */
|
896, 624, /* (cols too) */
|
896, 624, /* (cols too) */
|
0x0041, 0x001e, /* diwstrt h,v */
|
0x0041, 0x001e, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
0x0091, /* htotal */
|
0x0091, /* htotal */
|
0x000e, /* hsstrt */
|
0x000e, /* hsstrt */
|
0x001d, /* hsstop */
|
0x001d, /* hsstop */
|
0x000a, /* hbstrt */
|
0x000a, /* hbstrt */
|
0x001e, /* hbstop */
|
0x001e, /* hbstop */
|
0x0156, /* vtotal */
|
0x0156, /* vtotal */
|
0x0001, /* vsstrt */
|
0x0001, /* vsstrt */
|
0x0003, /* vsstop */
|
0x0003, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x000f, /* vbstop */
|
0x000f, /* vbstop */
|
0x0050, /* hcenter */
|
0x0050, /* hcenter */
|
BMC0_HARDDIS | BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_HARDDIS | BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN |
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN, /* beamcon0 */
|
BMC0_VARHSYEN | BMC0_VARBEAMEN | BMC0_BLANKEN, /* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
},
|
},
|
/*
|
/*
|
* Additional AGA modes by Geert Uytterhoeven
|
* Additional AGA modes by Geert Uytterhoeven
|
*/
|
*/
|
{
|
{
|
/*
|
/*
|
* A 720x400, 70 Hz noninterlaced AGA mode (29.27 kHz)
|
* A 720x400, 70 Hz noninterlaced AGA mode (29.27 kHz)
|
*/
|
*/
|
"aga720x400", 0,
|
"aga720x400", 0,
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
720, 400, 1,
|
720, 400, 1,
|
720, 400,
|
720, 400,
|
0x0041, 0x0013, /* diwstrt h,v */
|
0x0041, 0x0013, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
0x0079, /* htotal */
|
0x0079, /* htotal */
|
0x000e, /* hsstrt */
|
0x000e, /* hsstrt */
|
0x0018, /* hsstop */
|
0x0018, /* hsstop */
|
0x0001, /* hbstrt */
|
0x0001, /* hbstrt */
|
0x0021, /* hbstop */
|
0x0021, /* hbstop */
|
0x01a2, /* vtotal */
|
0x01a2, /* vtotal */
|
0x0003, /* vsstrt */
|
0x0003, /* vsstrt */
|
0x0005, /* vsstop */
|
0x0005, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x0012, /* vbstop */
|
0x0012, /* vbstop */
|
0x0046, /* hcenter */
|
0x0046, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN | BMC0_VARHSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN | BMC0_VARHSYEN |
|
BMC0_VARBEAMEN | BMC0_PAL | BMC0_VARCSYEN | BMC0_CSYTRUE |
|
BMC0_VARBEAMEN | BMC0_PAL | BMC0_VARCSYEN | BMC0_CSYTRUE |
|
BMC0_VSYTRUE, /* beamcon0 */
|
BMC0_VSYTRUE, /* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
}, {
|
}, {
|
/*
|
/*
|
* A 640x400, 76 Hz noninterlaced AGA mode (31.89 kHz)
|
* A 640x400, 76 Hz noninterlaced AGA mode (31.89 kHz)
|
*/
|
*/
|
"aga640x400", 0,
|
"aga640x400", 0,
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
640, 400, 1,
|
640, 400, 1,
|
640, 400,
|
640, 400,
|
0x0041, 0x0015, /* diwstrt h,v */
|
0x0041, 0x0015, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
0x006f, /* htotal */
|
0x006f, /* htotal */
|
0x000d, /* hsstrt */
|
0x000d, /* hsstrt */
|
0x0018, /* hsstop */
|
0x0018, /* hsstop */
|
0x0001, /* hbstrt */
|
0x0001, /* hbstrt */
|
0x0021, /* hbstop */
|
0x0021, /* hbstop */
|
0x01a4, /* vtotal */
|
0x01a4, /* vtotal */
|
0x0003, /* vsstrt */
|
0x0003, /* vsstrt */
|
0x0005, /* vsstop */
|
0x0005, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x0014, /* vbstop */
|
0x0014, /* vbstop */
|
0x0046, /* hcenter */
|
0x0046, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN | BMC0_VARHSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN | BMC0_VARHSYEN |
|
BMC0_VARBEAMEN | BMC0_PAL | BMC0_VARCSYEN | BMC0_CSYTRUE |
|
BMC0_VARBEAMEN | BMC0_PAL | BMC0_VARCSYEN | BMC0_CSYTRUE |
|
BMC0_VSYTRUE, /* beamcon0 */
|
BMC0_VSYTRUE, /* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
}, {
|
}, {
|
/*
|
/*
|
* A 640x480, 64 Hz noninterlaced AGA mode (31.89 kHz)
|
* A 640x480, 64 Hz noninterlaced AGA mode (31.89 kHz)
|
*/
|
*/
|
"aga640x480a", 0,
|
"aga640x480a", 0,
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
BPC0_SHRES | BPC0_ECSENA, /* bplcon0 */
|
640, 480, 1,
|
640, 480, 1,
|
640, 480,
|
640, 480,
|
0x0041, 0x0015, /* diwstrt h,v */
|
0x0041, 0x0015, /* diwstrt h,v */
|
64, /* 64-bit aligned */
|
64, /* 64-bit aligned */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC2_KILLEHB, /* bplcon2 */
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_PF2OF1 | BPC3_PF2OF0 | BPC3_SPRES1 | BPC3_SPRES0 |
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
BPC3_BRDRBLNK | BPC3_EXTBLKEN, /* bplcon3 */
|
0x006f, /* htotal */
|
0x006f, /* htotal */
|
0x000e, /* hsstrt */
|
0x000e, /* hsstrt */
|
0x0018, /* hsstop */
|
0x0018, /* hsstop */
|
0x0001, /* hbstrt */
|
0x0001, /* hbstrt */
|
0x0021, /* hbstop */
|
0x0021, /* hbstop */
|
0x01f4, /* vtotal */
|
0x01f4, /* vtotal */
|
0x0003, /* vsstrt */
|
0x0003, /* vsstrt */
|
0x0005, /* vsstop */
|
0x0005, /* vsstop */
|
0x0000, /* vbstrt */
|
0x0000, /* vbstrt */
|
0x0014, /* vbstop */
|
0x0014, /* vbstop */
|
0x0046, /* hcenter */
|
0x0046, /* hcenter */
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN | BMC0_VARHSYEN |
|
BMC0_VARVBEN | BMC0_LOLDIS | BMC0_VARVSYEN | BMC0_VARHSYEN |
|
BMC0_VARBEAMEN | BMC0_PAL | BMC0_VARCSYEN | BMC0_CSYTRUE |
|
BMC0_VARBEAMEN | BMC0_PAL | BMC0_VARCSYEN | BMC0_CSYTRUE |
|
BMC0_VSYTRUE, /* beamcon0 */
|
BMC0_VSYTRUE, /* beamcon0 */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
FMODE_BPAGEM | FMODE_BPL32 /* fmode */
|
}
|
}
|
};
|
};
|
|
|
#define NMODES (sizeof(mono_modes) / sizeof(struct geometry))
|
#define NMODES (sizeof(mono_modes) / sizeof(struct geometry))
|
|
|
static struct fb_var_screeninfo mono_mono_amiga_fb_predefined[] = {
|
static struct fb_var_screeninfo mono_mono_amiga_fb_predefined[] = {
|
{ /* autodetect */
|
{ /* autodetect */
|
0, 0, 0, 0, 0, 0, 0, 0, /* xres-grayscale */
|
0, 0, 0, 0, 0, 0, 0, 0, /* xres-grayscale */
|
{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, /* red green blue tran*/
|
{0, 0, 0}, {0, 0, 0}, {0, 0, 0}, {0, 0, 0}, /* red green blue tran*/
|
0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0 }
|
0, 0, -1, -1, 0, 0, 0, 0, 0, 0, 0, 0 }
|
};
|
};
|
|
|
static int mono_num_mono_amiga_fb_predefined= sizeof(mono_mono_amiga_fb_predefined)/sizeof(struct fb_var_screeninfo);
|
static int mono_num_mono_amiga_fb_predefined= sizeof(mono_mono_amiga_fb_predefined)/sizeof(struct fb_var_screeninfo);
|
|
|
|
|
|
|
/* Some default modes */
|
/* Some default modes */
|
#define OCS_PAL_LOWEND_DEFMODE 5 /* PAL non-laced for 500/2000 */
|
#define OCS_PAL_LOWEND_DEFMODE 5 /* PAL non-laced for 500/2000 */
|
#define OCS_PAL_3000_DEFMODE 4 /* PAL laced for 3000 */
|
#define OCS_PAL_3000_DEFMODE 4 /* PAL laced for 3000 */
|
#define OCS_NTSC_LOWEND_DEFMODE 1 /* NTSC non-laced for 500/2000 */
|
#define OCS_NTSC_LOWEND_DEFMODE 1 /* NTSC non-laced for 500/2000 */
|
#define OCS_NTSC_3000_DEFMODE 0 /* NTSC laced for 3000 */
|
#define OCS_NTSC_3000_DEFMODE 0 /* NTSC laced for 3000 */
|
#define AGA_DEFMODE 8 /* 640x480 non-laced for AGA */
|
#define AGA_DEFMODE 8 /* 640x480 non-laced for AGA */
|
|
|
static int mono_amifb_inverse = 0;
|
static int mono_amifb_inverse = 0;
|
static int mono_amifb_mode = -1;
|
static int mono_amifb_mode = -1;
|
|
|
static void mono_video_setup (char *options, int *ints)
|
static void mono_video_setup (char *options, int *ints)
|
{
|
{
|
char *this_opt;
|
char *this_opt;
|
int i;
|
int i;
|
|
|
fb_info.fontname[0] = '\0';
|
fb_info.fontname[0] = '\0';
|
|
|
if (!options || !*options)
|
if (!options || !*options)
|
return;
|
return;
|
|
|
for (this_opt = strtok(options,","); this_opt; this_opt = strtok(NULL,","))
|
for (this_opt = strtok(options,","); this_opt; this_opt = strtok(NULL,","))
|
if (!strcmp (this_opt, "inverse"))
|
if (!strcmp (this_opt, "inverse"))
|
mono_amifb_inverse = 1;
|
mono_amifb_inverse = 1;
|
else if (!strncmp(this_opt, "font:", 5))
|
else if (!strncmp(this_opt, "font:", 5))
|
strcpy(fb_info.fontname, this_opt+5);
|
strcpy(fb_info.fontname, this_opt+5);
|
else
|
else
|
for (i = 0; i < NMODES; i++)
|
for (i = 0; i < NMODES; i++)
|
if (!strcmp(this_opt, mono_modes[i].modename)) {
|
if (!strcmp(this_opt, mono_modes[i].modename)) {
|
mono_amifb_mode = i;
|
mono_amifb_mode = i;
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
/* Notes about copper scrolling:
|
/* Notes about copper scrolling:
|
*
|
*
|
* 1. The VBLANK routine dynamically rewrites a LIVE copper list that is
|
* 1. The VBLANK routine dynamically rewrites a LIVE copper list that is
|
* currently being executed. Don't mess with it unless you know the
|
* currently being executed. Don't mess with it unless you know the
|
* complications. Fairly sure that double buffered lists doesn't
|
* complications. Fairly sure that double buffered lists doesn't
|
* make our life any easier.
|
* make our life any easier.
|
*
|
*
|
* 2. The vblank code starts executing at logical line 0. Display must be
|
* 2. The vblank code starts executing at logical line 0. Display must be
|
* set up and ready to run by line DIWSTRT_V, typically 0x2c, minimum
|
* set up and ready to run by line DIWSTRT_V, typically 0x2c, minimum
|
* value is 0x18 for maximum overscan.
|
* value is 0x18 for maximum overscan.
|
*
|
*
|
* Tests on my A500/030 for dynamically generating a 37 element copper
|
* Tests on my A500/030 for dynamically generating a 37 element copper
|
* list during the VBLANK period under AmigaDos required between
|
* list during the VBLANK period under AmigaDos required between
|
* 0x10 and 0x14 scanlines. This should be pathological case, and
|
* 0x10 and 0x14 scanlines. This should be pathological case, and
|
* should do better under Linux/68k. It is however IMPERATIVE that I am
|
* should do better under Linux/68k. It is however IMPERATIVE that I am
|
* first in the VBLANK isr chain. Try to keep 'buildclist' as fast as
|
* first in the VBLANK isr chain. Try to keep 'buildclist' as fast as
|
* possible. Don't think that it justifies assembler thou'
|
* possible. Don't think that it justifies assembler thou'
|
*
|
*
|
* 3. PAL 640x256 display (no overscan) has copper-wait y positions in range
|
* 3. PAL 640x256 display (no overscan) has copper-wait y positions in range
|
* 0x02c -> 0x12c. NTSC overscan uses values > 256 too. However counter
|
* 0x02c -> 0x12c. NTSC overscan uses values > 256 too. However counter
|
* is 8 bit, will wrap. RKM 1.1 suggests use of a WAIT(0x00,0xff),
|
* is 8 bit, will wrap. RKM 1.1 suggests use of a WAIT(0x00,0xff),
|
* WAIT(x,y-0x100) pair to handle this case. This is WRONG - must use
|
* WAIT(x,y-0x100) pair to handle this case. This is WRONG - must use
|
* WAIT(0xe2,0xff) to ensure that wrap occurred by next copper
|
* WAIT(0xe2,0xff) to ensure that wrap occurred by next copper
|
* instruction. Argghh!
|
* instruction. Argghh!
|
*
|
*
|
* 4. RKM 1.1 suggests Copper-wait x positions are in range [0,0xe2].
|
* 4. RKM 1.1 suggests Copper-wait x positions are in range [0,0xe2].
|
* Horizontal blanking occurs in range 0x0f -> 0x35. Black screen
|
* Horizontal blanking occurs in range 0x0f -> 0x35. Black screen
|
* shown in range 0x04 -> 0x47.
|
* shown in range 0x04 -> 0x47.
|
*
|
*
|
* Experiments suggest that using WAIT(0x00,y), we can replace up to
|
* Experiments suggest that using WAIT(0x00,y), we can replace up to
|
* 7 bitplane pointers before display fetch start. Using a
|
* 7 bitplane pointers before display fetch start. Using a
|
* WAIT(0xe0,y-1) instead, we can replace 8 pointers that should be
|
* WAIT(0xe0,y-1) instead, we can replace 8 pointers that should be
|
* all that we need for a full AGA display. Should work because of
|
* all that we need for a full AGA display. Should work because of
|
* fetch latency with bitmapped display.
|
* fetch latency with bitmapped display.
|
*
|
*
|
* I think that this works. Someone please tell me if something breaks.
|
* I think that this works. Someone please tell me if something breaks.
|
*
|
*
|
* Is diwstop_h the right value to use for "close to the end of line"?
|
* Is diwstop_h the right value to use for "close to the end of line"?
|
* It seems to work for me, at least for the modes I've defined. -wjr
|
* It seems to work for me, at least for the modes I've defined. -wjr
|
*
|
*
|
* I changed the Wait(diwstop_h, 0xff) for 256-line chunk skipping to
|
* I changed the Wait(diwstop_h, 0xff) for 256-line chunk skipping to
|
* Wait(diwstop_h-2, 0xff) to make it work with the additional
|
* Wait(diwstop_h-2, 0xff) to make it work with the additional
|
* `get-all-you-can-get-out-of-it' AGA modes. Maybe we should derive the
|
* `get-all-you-can-get-out-of-it' AGA modes. Maybe we should derive the
|
* wait position from the HTOTAL value? - G.U.
|
* wait position from the HTOTAL value? - G.U.
|
*
|
*
|
* The Wait(diwstop_h-2, 0xff) didn't work in Super72 under ECS, instead
|
* The Wait(diwstop_h-2, 0xff) didn't work in Super72 under ECS, instead
|
* I changed it to Wait(htotal-4, 0xff). Dunno whether it works under AGA,
|
* I changed it to Wait(htotal-4, 0xff). Dunno whether it works under AGA,
|
* and don't ask my why it works. I'm trying to get some facts on this issue
|
* and don't ask my why it works. I'm trying to get some facts on this issue
|
* from Commodore.
|
* from Commodore.
|
* -Jes
|
* -Jes
|
*/
|
*/
|
|
|
static __inline__ ushort *mono_build_clist_hdr(register struct display *p,
|
static __inline__ ushort *mono_build_clist_hdr(register struct display *p,
|
ushort *cop,
|
ushort *cop,
|
ushort *othercop) /* Interlace: List for next frame */
|
ushort *othercop) /* Interlace: List for next frame */
|
{
|
{
|
int i;
|
int i;
|
ushort diwstrt_v = mono_current_par.diwstrt_v;
|
ushort diwstrt_v = mono_current_par.diwstrt_v;
|
ushort diwstop_h = mono_current_par.diwstop_h;
|
ushort diwstop_h = mono_current_par.diwstop_h;
|
|
|
if (othercop) {
|
if (othercop) {
|
*cop++ = CUSTOM_OFS(cop1lc);
|
*cop++ = CUSTOM_OFS(cop1lc);
|
*cop++ = (long)othercop >> 16;
|
*cop++ = (long)othercop >> 16;
|
*cop++ = CUSTOM_OFS(cop1lc) + 2;
|
*cop++ = CUSTOM_OFS(cop1lc) + 2;
|
*cop++ = (long)othercop;
|
*cop++ = (long)othercop;
|
}
|
}
|
|
|
/* Point Sprite 0 at cursor sprite: */
|
/* Point Sprite 0 at cursor sprite: */
|
*cop++ = CUSTOM_OFS(sprpt[0]);
|
*cop++ = CUSTOM_OFS(sprpt[0]);
|
*cop++ = (ushort)((long)mono_current_par.cursor >> 16);
|
*cop++ = (ushort)((long)mono_current_par.cursor >> 16);
|
*cop++ = CUSTOM_OFS(sprpt[0]) + 2;
|
*cop++ = CUSTOM_OFS(sprpt[0]) + 2;
|
*cop++ = (ushort)((long)mono_current_par.cursor & 0x0000ffff);
|
*cop++ = (ushort)((long)mono_current_par.cursor & 0x0000ffff);
|
|
|
/* Point Sprites 1-7 at dummy sprite: */
|
/* Point Sprites 1-7 at dummy sprite: */
|
for (i=1; i<8; i++) {
|
for (i=1; i<8; i++) {
|
*cop++ = CUSTOM_OFS(sprpt[i]);
|
*cop++ = CUSTOM_OFS(sprpt[i]);
|
*cop++ = (ushort)((long)mono_current_par.dummy >> 16);
|
*cop++ = (ushort)((long)mono_current_par.dummy >> 16);
|
*cop++ = CUSTOM_OFS(sprpt[i]) + 2;
|
*cop++ = CUSTOM_OFS(sprpt[i]) + 2;
|
*cop++ = (ushort)((long)mono_current_par.dummy & 0x0000ffff);
|
*cop++ = (ushort)((long)mono_current_par.dummy & 0x0000ffff);
|
}
|
}
|
|
|
/* Halt copper until we have rebuilt the display list */
|
/* Halt copper until we have rebuilt the display list */
|
|
|
*cop++ = ((diwstrt_v - 2) << 8) | (diwstop_h >> 1) | 0x1;
|
*cop++ = ((diwstrt_v - 2) << 8) | (diwstop_h >> 1) | 0x1;
|
*cop++ = 0xfffe;
|
*cop++ = 0xfffe;
|
|
|
return(cop);
|
return(cop);
|
}
|
}
|
|
|
static __inline__ ushort *mono_build_clist_dyn(register struct display *p,
|
static __inline__ ushort *mono_build_clist_dyn(register struct display *p,
|
ushort *cop,
|
ushort *cop,
|
int shf) /* Interlace: Short frame */
|
int shf) /* Interlace: Short frame */
|
{
|
{
|
ushort diwstrt_v = mono_current_par.diwstrt_v;
|
ushort diwstrt_v = mono_current_par.diwstrt_v;
|
ushort diwstop_h = mono_current_par.diwstop_h;
|
ushort diwstop_h = mono_current_par.diwstop_h;
|
ushort y_wrap = mono_current_par.y_wrap;
|
ushort y_wrap = mono_current_par.y_wrap;
|
ulong offset = y_wrap * mono_current_par.bytes_per_row;
|
ulong offset = y_wrap * mono_current_par.bytes_per_row;
|
long scrmem;
|
long scrmem;
|
int i;
|
int i;
|
|
|
/* Set up initial bitplane ptrs */
|
/* Set up initial bitplane ptrs */
|
|
|
for (i = 0 ; i < mono_current_par.scr_depth ; i++) {
|
for (i = 0 ; i < mono_current_par.scr_depth ; i++) {
|
scrmem = ((long)mono_current_par.bitplane[i]) + offset;
|
scrmem = ((long)mono_current_par.bitplane[i]) + offset;
|
|
|
if (shf)
|
if (shf)
|
scrmem += mono_current_par.bytes_per_row;
|
scrmem += mono_current_par.bytes_per_row;
|
|
|
*cop++ = CUSTOM_OFS(bplpt[i]);
|
*cop++ = CUSTOM_OFS(bplpt[i]);
|
*cop++ = (long)scrmem >> 16;
|
*cop++ = (long)scrmem >> 16;
|
*cop++ = CUSTOM_OFS(bplpt[i]) + 2;
|
*cop++ = CUSTOM_OFS(bplpt[i]) + 2;
|
*cop++ = (long)scrmem;
|
*cop++ = (long)scrmem;
|
}
|
}
|
|
|
/* If wrapped frame needed - wait for line then switch bitplXs */
|
/* If wrapped frame needed - wait for line then switch bitplXs */
|
|
|
if (y_wrap) {
|
if (y_wrap) {
|
ushort line;
|
ushort line;
|
|
|
if (mono_current_par.bplcon0 & BPC0_LACE)
|
if (mono_current_par.bplcon0 & BPC0_LACE)
|
line = diwstrt_v + (mono_current_par.scr_height - y_wrap)/2;
|
line = diwstrt_v + (mono_current_par.scr_height - y_wrap)/2;
|
else
|
else
|
line = diwstrt_v + mono_current_par.scr_height - y_wrap;
|
line = diwstrt_v + mono_current_par.scr_height - y_wrap;
|
|
|
/* Handle skipping over 256-line chunks */
|
/* Handle skipping over 256-line chunks */
|
while (line > 256) {
|
while (line > 256) {
|
/* Hardware limitation - 8 bit counter */
|
/* Hardware limitation - 8 bit counter */
|
/* Wait(diwstop_h-2, 0xff) */
|
/* Wait(diwstop_h-2, 0xff) */
|
if (mono_current_par.bplcon0 & BPC0_SHRES)
|
if (mono_current_par.bplcon0 & BPC0_SHRES)
|
/*
|
/*
|
* htotal-4 is used in SHRES-mode, as diwstop_h-2 doesn't work under ECS.
|
* htotal-4 is used in SHRES-mode, as diwstop_h-2 doesn't work under ECS.
|
* Does this work under AGA?
|
* Does this work under AGA?
|
* -Jes
|
* -Jes
|
*/
|
*/
|
*cop++ = 0xff00 | ((mono_current_par.htotal-4) | 1);
|
*cop++ = 0xff00 | ((mono_current_par.htotal-4) | 1);
|
else
|
else
|
*cop++ = 0xff00 | ((diwstop_h-2) >> 1) | 0x1;
|
*cop++ = 0xff00 | ((diwstop_h-2) >> 1) | 0x1;
|
|
|
*cop++ = 0xfffe;
|
*cop++ = 0xfffe;
|
/* Wait(0, 0) - make sure we're in the new segment */
|
/* Wait(0, 0) - make sure we're in the new segment */
|
*cop++ = 0x0001;
|
*cop++ = 0x0001;
|
*cop++ = 0xfffe;
|
*cop++ = 0xfffe;
|
line -= 256;
|
line -= 256;
|
|
|
/*
|
/*
|
* Under ECS we have to keep color[0], as it is part of a special color-table.
|
* Under ECS we have to keep color[0], as it is part of a special color-table.
|
*/
|
*/
|
|
|
if (boot_info.bi_amiga.chipset == CS_ECS && mono_current_par.bplcon0 & BPC0_ECSENA) {
|
if (boot_info.bi_amiga.chipset == CS_ECS && mono_current_par.bplcon0 & BPC0_ECSENA) {
|
*cop++ = 0x0180;
|
*cop++ = 0x0180;
|
*cop++ = mono_ecs_color_zero;
|
*cop++ = mono_ecs_color_zero;
|
}
|
}
|
}
|
}
|
|
|
/* Wait(diwstop_h, line - 1) */
|
/* Wait(diwstop_h, line - 1) */
|
*cop++ = ((line - 1) << 8) | (diwstop_h >> 1) | 0x1;
|
*cop++ = ((line - 1) << 8) | (diwstop_h >> 1) | 0x1;
|
*cop++ = 0xfffe;
|
*cop++ = 0xfffe;
|
|
|
for (i = 0 ; i < mono_current_par.scr_depth ; i++) {
|
for (i = 0 ; i < mono_current_par.scr_depth ; i++) {
|
scrmem = (long)mono_current_par.bitplane[i];
|
scrmem = (long)mono_current_par.bitplane[i];
|
if (shf)
|
if (shf)
|
scrmem += mono_current_par.bytes_per_row;
|
scrmem += mono_current_par.bytes_per_row;
|
|
|
*cop++ = CUSTOM_OFS(bplpt[i]);
|
*cop++ = CUSTOM_OFS(bplpt[i]);
|
*cop++ = (long)scrmem >> 16;
|
*cop++ = (long)scrmem >> 16;
|
*cop++ = CUSTOM_OFS(bplpt[i]) + 2;
|
*cop++ = CUSTOM_OFS(bplpt[i]) + 2;
|
*cop++ = (long)scrmem;
|
*cop++ = (long)scrmem;
|
}
|
}
|
}
|
}
|
|
|
/* End of Copper list */
|
/* End of Copper list */
|
*cop++ = 0xffff;
|
*cop++ = 0xffff;
|
*cop++ = 0xfffe;
|
*cop++ = 0xfffe;
|
|
|
return(cop);
|
return(cop);
|
}
|
}
|
|
|
|
|
static __inline__ void mono_build_cursor(register struct display *p)
|
static __inline__ void mono_build_cursor(register struct display *p)
|
{
|
{
|
int vs, hs, ve;
|
int vs, hs, ve;
|
ushort diwstrt_v = mono_current_par.diwstrt_v;
|
ushort diwstrt_v = mono_current_par.diwstrt_v;
|
ushort diwstrt_h = mono_current_par.diwstrt_h;
|
ushort diwstrt_h = mono_current_par.diwstrt_h;
|
|
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
vs = diwstrt_v + (p->cursor_y * p->fontheight)/2;
|
vs = diwstrt_v + (p->cursor_y * p->fontheight)/2;
|
ve = vs + p->fontheight/2;
|
ve = vs + p->fontheight/2;
|
} else {
|
} else {
|
vs = diwstrt_v + (p->cursor_y * p->fontheight);
|
vs = diwstrt_v + (p->cursor_y * p->fontheight);
|
ve = vs + p->fontheight;
|
ve = vs + p->fontheight;
|
}
|
}
|
|
|
if (mono_current_par.bplcon0 & BPC0_ECSENA)
|
if (mono_current_par.bplcon0 & BPC0_ECSENA)
|
/*
|
/*
|
* It's an AGA mode. We'll assume that the sprite was set
|
* It's an AGA mode. We'll assume that the sprite was set
|
* into 35ns resolution by the appropriate SPRES bits in bplcon3.
|
* into 35ns resolution by the appropriate SPRES bits in bplcon3.
|
*/
|
*/
|
hs = diwstrt_h * 4 + (p->cursor_x * p->fontwidth) - 4;
|
hs = diwstrt_h * 4 + (p->cursor_x * p->fontwidth) - 4;
|
else
|
else
|
hs = diwstrt_h + (p->cursor_x * p->fontwidth) / 2 - 1;
|
hs = diwstrt_h + (p->cursor_x * p->fontwidth) / 2 - 1;
|
|
|
if (mono_current_par.bplcon0 & BPC0_ECSENA) {
|
if (mono_current_par.bplcon0 & BPC0_ECSENA) {
|
/* There are some high-order bits on the sprite position */
|
/* There are some high-order bits on the sprite position */
|
*((ulong *) mono_current_par.cursor) =
|
*((ulong *) mono_current_par.cursor) =
|
((((vs & 0xff) << 24) | ((vs & 0x100) >> 6) |
|
((((vs & 0xff) << 24) | ((vs & 0x100) >> 6) |
|
((vs & 0x200) >> 3)) |
|
((vs & 0x200) >> 3)) |
|
(((hs & 0x7f8) << 13) | ((hs & 0x4) >> 2) |
|
(((hs & 0x7f8) << 13) | ((hs & 0x4) >> 2) |
|
((hs & 0x3) << 3)) |
|
((hs & 0x3) << 3)) |
|
(((ve & 0xff) << 8) | ((ve & 0x100) >> 7) |
|
(((ve & 0xff) << 8) | ((ve & 0x100) >> 7) |
|
((ve & 0x200) >> 4)));
|
((ve & 0x200) >> 4)));
|
} else {
|
} else {
|
*((ulong *) mono_current_par.cursor) =
|
*((ulong *) mono_current_par.cursor) =
|
((vs << 24) | ((vs & 0x00000100) >> 6) |
|
((vs << 24) | ((vs & 0x00000100) >> 6) |
|
((hs & 0x000001fe) << 15) | (hs & 0x00000001) |
|
((hs & 0x000001fe) << 15) | (hs & 0x00000001) |
|
((ve & 0x000000ff) << 8) | ((ve & 0x00000100) >> 7));
|
((ve & 0x000000ff) << 8) | ((ve & 0x00000100) >> 7));
|
}
|
}
|
}
|
}
|
|
|
static void mono_build_ecs_colors(ushort color1, ushort color2, ushort color3,
|
static void mono_build_ecs_colors(ushort color1, ushort color2, ushort color3,
|
ushort color4, ushort *table)
|
ushort color4, ushort *table)
|
{
|
{
|
/*
|
/*
|
* This function calculates the special ECS color-tables needed when running
|
* This function calculates the special ECS color-tables needed when running
|
* new screen-modes available under ECS. See the hardware reference manual
|
* new screen-modes available under ECS. See the hardware reference manual
|
* 3rd edition for details.
|
* 3rd edition for details.
|
* -Jes
|
* -Jes
|
*/
|
*/
|
ushort t;
|
ushort t;
|
|
|
t = (color1 & 0x0ccc);
|
t = (color1 & 0x0ccc);
|
table[0] = t;
|
table[0] = t;
|
table[4] = t;
|
table[4] = t;
|
table[8] = t;
|
table[8] = t;
|
table[12] = t;
|
table[12] = t;
|
t = t >> 2;
|
t = t >> 2;
|
table[0] = (table[0] | t);
|
table[0] = (table[0] | t);
|
table[1] = t;
|
table[1] = t;
|
table[2] = t;
|
table[2] = t;
|
table[3] = t;
|
table[3] = t;
|
|
|
t = (color2 & 0x0ccc);
|
t = (color2 & 0x0ccc);
|
table[1] = (table[1] | t);
|
table[1] = (table[1] | t);
|
table[5] = t;
|
table[5] = t;
|
table[9] = t;
|
table[9] = t;
|
table[13] = t;
|
table[13] = t;
|
t = t >> 2;
|
t = t >> 2;
|
table[4] = (table[4] | t);
|
table[4] = (table[4] | t);
|
table[5] = (table[5] | t);
|
table[5] = (table[5] | t);
|
table[6] = t;
|
table[6] = t;
|
table[7] = t;
|
table[7] = t;
|
|
|
t = (color3 & 0x0ccc);
|
t = (color3 & 0x0ccc);
|
table[2] = (table[2] | t);
|
table[2] = (table[2] | t);
|
table[6] = (table[6] | t);
|
table[6] = (table[6] | t);
|
table[10] = t;
|
table[10] = t;
|
table[14] = t;
|
table[14] = t;
|
t = t >> 2;
|
t = t >> 2;
|
table[8] = (table[8] | t);
|
table[8] = (table[8] | t);
|
table[9] = (table[9] | t);
|
table[9] = (table[9] | t);
|
table[10] = (table[10] | t);
|
table[10] = (table[10] | t);
|
table[11] = t;
|
table[11] = t;
|
|
|
t = (color4 & 0x0ccc);
|
t = (color4 & 0x0ccc);
|
table[3] = (table[3] | t);
|
table[3] = (table[3] | t);
|
table[7] = (table[7] | t);
|
table[7] = (table[7] | t);
|
table[11] = (table[11] | t);
|
table[11] = (table[11] | t);
|
table[15] = t;
|
table[15] = t;
|
t = t >> 2;
|
t = t >> 2;
|
table[12] = (table[12] | t);
|
table[12] = (table[12] | t);
|
table[13] = (table[13] | t);
|
table[13] = (table[13] | t);
|
table[14] = (table[14] | t);
|
table[14] = (table[14] | t);
|
table[15] = (table[15] | t);
|
table[15] = (table[15] | t);
|
|
|
}
|
}
|
|
|
/* mono_display_init():
|
/* mono_display_init():
|
*
|
*
|
* Fills out (struct display *) given a geometry structure
|
* Fills out (struct display *) given a geometry structure
|
*/
|
*/
|
|
|
static void mono_display_init(struct display *p,
|
static void mono_display_init(struct display *p,
|
struct geometry *geom, ushort inverse)
|
struct geometry *geom, ushort inverse)
|
{
|
{
|
ushort ecs_table[16];
|
ushort ecs_table[16];
|
int i;
|
int i;
|
char *chipptr;
|
char *chipptr;
|
ushort diwstrt_v, diwstop_v;
|
ushort diwstrt_v, diwstop_v;
|
ushort diwstrt_h, diwstop_h;
|
ushort diwstrt_h, diwstop_h;
|
ushort diw_min_h, diw_min_v;
|
ushort diw_min_h, diw_min_v;
|
ushort bplmod, diwstrt, diwstop, diwhigh, ddfstrt, ddfstop;
|
ushort bplmod, diwstrt, diwstop, diwhigh, ddfstrt, ddfstop;
|
ushort cursorheight, cursormask = 0;
|
ushort cursorheight, cursormask = 0;
|
u_long size;
|
u_long size;
|
|
|
/* Decide colour scheme */
|
/* Decide colour scheme */
|
|
|
if (inverse) {
|
if (inverse) {
|
mono_current_par.fgcol = FG_COLOR_INV;
|
mono_current_par.fgcol = FG_COLOR_INV;
|
mono_current_par.bgcol = BG_COLOR_INV;
|
mono_current_par.bgcol = BG_COLOR_INV;
|
mono_current_par.crsrcol = CRSR_COLOR_INV;
|
mono_current_par.crsrcol = CRSR_COLOR_INV;
|
} else {
|
} else {
|
mono_current_par.fgcol = FG_COLOR;
|
mono_current_par.fgcol = FG_COLOR;
|
mono_current_par.bgcol = BG_COLOR;
|
mono_current_par.bgcol = BG_COLOR;
|
mono_current_par.crsrcol = CRSR_COLOR;
|
mono_current_par.crsrcol = CRSR_COLOR;
|
}
|
}
|
|
|
/* Define screen geometry */
|
/* Define screen geometry */
|
|
|
mono_current_par.scr_max_height = geom->scr_max_height;
|
mono_current_par.scr_max_height = geom->scr_max_height;
|
mono_current_par.scr_max_width = geom->scr_max_width;
|
mono_current_par.scr_max_width = geom->scr_max_width;
|
mono_current_par.scr_height = geom->scr_height;
|
mono_current_par.scr_height = geom->scr_height;
|
mono_current_par.scr_width = geom->scr_width;
|
mono_current_par.scr_width = geom->scr_width;
|
mono_current_par.scr_depth = geom->scr_depth;
|
mono_current_par.scr_depth = geom->scr_depth;
|
mono_current_par.bplcon0 = geom->bplcon0 | BPC0_COLOR;
|
mono_current_par.bplcon0 = geom->bplcon0 | BPC0_COLOR;
|
mono_current_par.htotal = geom->htotal;
|
mono_current_par.htotal = geom->htotal;
|
|
|
/* htotal was added, as I use it to calc the pal-line. -Jes */
|
/* htotal was added, as I use it to calc the pal-line. -Jes */
|
|
|
if (mono_current_par.scr_depth < 8)
|
if (mono_current_par.scr_depth < 8)
|
mono_current_par.bplcon0 |= (mono_current_par.scr_depth << 12);
|
mono_current_par.bplcon0 |= (mono_current_par.scr_depth << 12);
|
else {
|
else {
|
/* must be exactly 8 */
|
/* must be exactly 8 */
|
mono_current_par.bplcon0 |= BPC0_BPU3;
|
mono_current_par.bplcon0 |= BPC0_BPU3;
|
}
|
}
|
|
|
diw_min_v = geom->diwstrt_v;
|
diw_min_v = geom->diwstrt_v;
|
diw_min_h = geom->diwstrt_h;
|
diw_min_h = geom->diwstrt_h;
|
|
|
/* We can derive everything else from this, at least for OCS */
|
/* We can derive everything else from this, at least for OCS */
|
/*
|
/*
|
* For AGA: we don't use the finer position control available for
|
* For AGA: we don't use the finer position control available for
|
* diw* yet (could be set by 35ns increments).
|
* diw* yet (could be set by 35ns increments).
|
*/
|
*/
|
|
|
/* Calculate line and plane size while respecting the alignment restrictions */
|
/* Calculate line and plane size while respecting the alignment restrictions */
|
mono_current_par.bytes_per_row = ((mono_current_par.scr_width+geom->alignment-1)&~(geom->alignment-1)) >> 3;
|
mono_current_par.bytes_per_row = ((mono_current_par.scr_width+geom->alignment-1)&~(geom->alignment-1)) >> 3;
|
mono_current_par.plane_size = mono_current_par.bytes_per_row * mono_current_par.scr_height;
|
mono_current_par.plane_size = mono_current_par.bytes_per_row * mono_current_par.scr_height;
|
|
|
|
|
/*
|
/*
|
* Quick hack for frame buffer mmap():
|
* Quick hack for frame buffer mmap():
|
*
|
*
|
* plane_size must be a multiple of the page size
|
* plane_size must be a multiple of the page size
|
*/
|
*/
|
|
|
mono_current_par.plane_size = PAGE_ALIGN(mono_current_par.plane_size);
|
mono_current_par.plane_size = PAGE_ALIGN(mono_current_par.plane_size);
|
|
|
|
|
mono_current_par.y_wrap = 0; mono_current_par.scroll_latch = 1;
|
mono_current_par.y_wrap = 0; mono_current_par.scroll_latch = 1;
|
p->cursor_x = 0; p->cursor_y = 0; mono_current_par.cursor_latch = 1;
|
p->cursor_x = 0; p->cursor_y = 0; mono_current_par.cursor_latch = 1;
|
|
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
bplmod = mono_current_par.bytes_per_row;
|
bplmod = mono_current_par.bytes_per_row;
|
diwstrt_v = diw_min_v + (mono_current_par.scr_max_height - mono_current_par.scr_height)/4;
|
diwstrt_v = diw_min_v + (mono_current_par.scr_max_height - mono_current_par.scr_height)/4;
|
diwstop_v = (diwstrt_v + mono_current_par.scr_height/2);
|
diwstop_v = (diwstrt_v + mono_current_par.scr_height/2);
|
} else {
|
} else {
|
bplmod = 0;
|
bplmod = 0;
|
diwstrt_v = diw_min_v + (mono_current_par.scr_max_height - mono_current_par.scr_height)/2;
|
diwstrt_v = diw_min_v + (mono_current_par.scr_max_height - mono_current_par.scr_height)/2;
|
diwstop_v = (diwstrt_v + mono_current_par.scr_height);
|
diwstop_v = (diwstrt_v + mono_current_par.scr_height);
|
}
|
}
|
|
|
if (mono_current_par.bplcon0 & BPC0_HIRES) {
|
if (mono_current_par.bplcon0 & BPC0_HIRES) {
|
diwstrt_h = diw_min_h + (mono_current_par.scr_max_width - mono_current_par.scr_width)/4;
|
diwstrt_h = diw_min_h + (mono_current_par.scr_max_width - mono_current_par.scr_width)/4;
|
diwstop_h = (diwstrt_h + mono_current_par.scr_width/2);
|
diwstop_h = (diwstrt_h + mono_current_par.scr_width/2);
|
/* ??? Where did 0x1d5 come from in original code ??? */
|
/* ??? Where did 0x1d5 come from in original code ??? */
|
} else if (mono_current_par.bplcon0 & BPC0_SHRES) {
|
} else if (mono_current_par.bplcon0 & BPC0_SHRES) {
|
diwstrt_h = diw_min_h + (mono_current_par.scr_max_width - mono_current_par.scr_width)/8;
|
diwstrt_h = diw_min_h + (mono_current_par.scr_max_width - mono_current_par.scr_width)/8;
|
diwstop_h = (diwstrt_h + mono_current_par.scr_width/4);
|
diwstop_h = (diwstrt_h + mono_current_par.scr_width/4);
|
} else {
|
} else {
|
diwstrt_h = diw_min_h + (mono_current_par.scr_max_width - mono_current_par.scr_width)/2;
|
diwstrt_h = diw_min_h + (mono_current_par.scr_max_width - mono_current_par.scr_width)/2;
|
diwstop_h = (diwstrt_h + mono_current_par.scr_width);
|
diwstop_h = (diwstrt_h + mono_current_par.scr_width);
|
}
|
}
|
|
|
if (mono_current_par.bplcon0 & BPC0_HIRES) {
|
if (mono_current_par.bplcon0 & BPC0_HIRES) {
|
ddfstrt = (diwstrt_h >> 1) - 4;
|
ddfstrt = (diwstrt_h >> 1) - 4;
|
ddfstop = ddfstrt + (4 * (mono_current_par.bytes_per_row>>1)) - 8;
|
ddfstop = ddfstrt + (4 * (mono_current_par.bytes_per_row>>1)) - 8;
|
} else if (mono_current_par.bplcon0 & BPC0_SHRES && boot_info.bi_amiga.chipset == CS_AGA) {
|
} else if (mono_current_par.bplcon0 & BPC0_SHRES && boot_info.bi_amiga.chipset == CS_AGA) {
|
/* There may be some interaction with FMODE here... -8 is magic. */
|
/* There may be some interaction with FMODE here... -8 is magic. */
|
|
|
/*
|
/*
|
* This should be fixed, so it supports all different
|
* This should be fixed, so it supports all different
|
* FMODE's. FMODE varies the speed with 1,2 & 4 the
|
* FMODE's. FMODE varies the speed with 1,2 & 4 the
|
* standard ECS speed. Someone else has to do it, as
|
* standard ECS speed. Someone else has to do it, as
|
* I don't have an AGA machine with MMU available
|
* I don't have an AGA machine with MMU available
|
* here.
|
* here.
|
*
|
*
|
* This particular speed looks like FMODE = 3 to me.
|
* This particular speed looks like FMODE = 3 to me.
|
* ddfstop should be changed so it depends on FMODE under AGA.
|
* ddfstop should be changed so it depends on FMODE under AGA.
|
* -Jes
|
* -Jes
|
*/
|
*/
|
ddfstrt = (diwstrt_h >> 1) - 8;
|
ddfstrt = (diwstrt_h >> 1) - 8;
|
ddfstop = ddfstrt + (2 * (mono_current_par.bytes_per_row>>1)) - 8;
|
ddfstop = ddfstrt + (2 * (mono_current_par.bytes_per_row>>1)) - 8;
|
} else if (mono_current_par.bplcon0 & BPC0_SHRES && boot_info.bi_amiga.chipset == CS_ECS){
|
} else if (mono_current_par.bplcon0 & BPC0_SHRES && boot_info.bi_amiga.chipset == CS_ECS){
|
/*
|
/*
|
* Normal speed for ECS, should be the same for FMODE = 0
|
* Normal speed for ECS, should be the same for FMODE = 0
|
* -Jes
|
* -Jes
|
*/
|
*/
|
ddfstrt = (diwstrt_h >> 1) - 2;
|
ddfstrt = (diwstrt_h >> 1) - 2;
|
ddfstop = ddfstrt + (2 * (mono_current_par.bytes_per_row>>1)) - 8;
|
ddfstop = ddfstrt + (2 * (mono_current_par.bytes_per_row>>1)) - 8;
|
} else {
|
} else {
|
ddfstrt = (diwstrt_h >> 1) - 8;
|
ddfstrt = (diwstrt_h >> 1) - 8;
|
ddfstop = ddfstrt + (8 * (mono_current_par.bytes_per_row>>1)) - 8;
|
ddfstop = ddfstrt + (8 * (mono_current_par.bytes_per_row>>1)) - 8;
|
}
|
}
|
|
|
if (mono_current_par.bplcon0 & BPC0_LACE)
|
if (mono_current_par.bplcon0 & BPC0_LACE)
|
cursorheight = p->fontheight/2;
|
cursorheight = p->fontheight/2;
|
else
|
else
|
cursorheight = p->fontheight;
|
cursorheight = p->fontheight;
|
|
|
/*
|
/*
|
* Quick hack for frame buffer mmap():
|
* Quick hack for frame buffer mmap():
|
*
|
*
|
* chipptr must be at a page boundary
|
* chipptr must be at a page boundary
|
*/
|
*/
|
|
|
size = mono_current_par.scr_depth*mono_current_par.plane_size+COP_MEM_REQ+SPR_MEM_REQ+4*(cursorheight-1);
|
size = mono_current_par.scr_depth*mono_current_par.plane_size+COP_MEM_REQ+SPR_MEM_REQ+4*(cursorheight-1);
|
size += PAGE_SIZE-1;
|
size += PAGE_SIZE-1;
|
chipptr = amiga_chip_alloc(size);
|
chipptr = amiga_chip_alloc(size);
|
chipptr = (char *)PAGE_ALIGN((u_long)chipptr);
|
chipptr = (char *)PAGE_ALIGN((u_long)chipptr);
|
|
|
|
|
/* locate the bitplanes */
|
/* locate the bitplanes */
|
/* These MUST be 64 bit aligned for full AGA compatibility!! */
|
/* These MUST be 64 bit aligned for full AGA compatibility!! */
|
|
|
mono_current_par.smem_start = (u_long)chipptr;
|
mono_current_par.smem_start = (u_long)chipptr;
|
mono_current_par.smem_len = mono_current_par.plane_size*mono_current_par.scr_depth;
|
mono_current_par.smem_len = mono_current_par.plane_size*mono_current_par.scr_depth;
|
mono_current_par.geometry = geom;
|
mono_current_par.geometry = geom;
|
|
|
for (i = 0 ; i < mono_current_par.scr_depth ; i++, chipptr += mono_current_par.plane_size) {
|
for (i = 0 ; i < mono_current_par.scr_depth ; i++, chipptr += mono_current_par.plane_size) {
|
mono_current_par.bitplane[i] = (u_char *) chipptr;
|
mono_current_par.bitplane[i] = (u_char *) chipptr;
|
memset ((void *)chipptr, 0, mono_current_par.plane_size); /* and clear */
|
memset ((void *)chipptr, 0, mono_current_par.plane_size); /* and clear */
|
}
|
}
|
|
|
/* locate the copper lists */
|
/* locate the copper lists */
|
mono_current_par.coplist1hdr = (ushort *) chipptr; chipptr += MAX_COP_LIST_ENTS * 4;
|
mono_current_par.coplist1hdr = (ushort *) chipptr; chipptr += MAX_COP_LIST_ENTS * 4;
|
mono_current_par.coplist2hdr = (ushort *) chipptr; chipptr += MAX_COP_LIST_ENTS * 4;
|
mono_current_par.coplist2hdr = (ushort *) chipptr; chipptr += MAX_COP_LIST_ENTS * 4;
|
|
|
/* locate the sprite data */
|
/* locate the sprite data */
|
mono_current_par.cursor = (ushort *) chipptr; chipptr += 8+4*cursorheight;
|
mono_current_par.cursor = (ushort *) chipptr; chipptr += 8+4*cursorheight;
|
mono_current_par.dummy = (ushort *) chipptr; chipptr += 12;
|
mono_current_par.dummy = (ushort *) chipptr; chipptr += 12;
|
|
|
/* create the sprite data for the cursor image */
|
/* create the sprite data for the cursor image */
|
memset((void *)mono_current_par.cursor, 0, 8+4*cursorheight);
|
memset((void *)mono_current_par.cursor, 0, 8+4*cursorheight);
|
/*
|
/*
|
* Only AGA supplies hires sprites.
|
* Only AGA supplies hires sprites.
|
*/
|
*/
|
if (mono_current_par.bplcon0 & BPC0_ECSENA && boot_info.bi_amiga.chipset == CS_AGA)
|
if (mono_current_par.bplcon0 & BPC0_ECSENA && boot_info.bi_amiga.chipset == CS_AGA)
|
/* AGA cursor is SHIRES, ECS sprites differ */
|
/* AGA cursor is SHIRES, ECS sprites differ */
|
for (i = 0; (i < p->fontwidth) && (i < 16); i++)
|
for (i = 0; (i < p->fontwidth) && (i < 16); i++)
|
cursormask |= 1<<(15-i);
|
cursormask |= 1<<(15-i);
|
else
|
else
|
/* For OCS & ECS sprites are pure LORES 8-< */
|
/* For OCS & ECS sprites are pure LORES 8-< */
|
for (i = 0; (i < p->fontwidth/2) && (i < 8); i++)
|
for (i = 0; (i < p->fontwidth/2) && (i < 8); i++)
|
cursormask |= 1<<(15-i);
|
cursormask |= 1<<(15-i);
|
|
|
mono_current_par.cursor[0] = mono_cursor_data[0];
|
mono_current_par.cursor[0] = mono_cursor_data[0];
|
mono_current_par.cursor[1] = mono_cursor_data[1];
|
mono_current_par.cursor[1] = mono_cursor_data[1];
|
|
|
#if (CRSR_BLOCK == 1)
|
#if (CRSR_BLOCK == 1)
|
for (i = 0; i < cursorheight; i++)
|
for (i = 0; i < cursorheight; i++)
|
#else
|
#else
|
for (i = cursorheight-2; i < cursorheight; i++)
|
for (i = cursorheight-2; i < cursorheight; i++)
|
#endif
|
#endif
|
mono_current_par.cursor[2+2*i] = cursormask;
|
mono_current_par.cursor[2+2*i] = cursormask;
|
|
|
/* set dummy sprite data to a blank sprite */
|
/* set dummy sprite data to a blank sprite */
|
memset((void *)mono_current_par.dummy, 0, 12);
|
memset((void *)mono_current_par.dummy, 0, 12);
|
|
|
/* set cursor flashing */
|
/* set cursor flashing */
|
mono_current_par.cursor_flash = CRSR_FLASH;
|
mono_current_par.cursor_flash = CRSR_FLASH;
|
|
|
/* Make the cursor invisible */
|
/* Make the cursor invisible */
|
mono_current_par.cursor_visible = 0;
|
mono_current_par.cursor_visible = 0;
|
|
|
/* Initialise the chipregs */
|
/* Initialise the chipregs */
|
mono_current_par.diwstrt_v = diwstrt_v;
|
mono_current_par.diwstrt_v = diwstrt_v;
|
mono_current_par.diwstrt_h = diwstrt_h;
|
mono_current_par.diwstrt_h = diwstrt_h;
|
mono_current_par.diwstop_v = diwstop_v;
|
mono_current_par.diwstop_v = diwstop_v;
|
mono_current_par.diwstop_h = diwstop_h;
|
mono_current_par.diwstop_h = diwstop_h;
|
diwstrt = ((diwstrt_v << 8) | diwstrt_h);
|
diwstrt = ((diwstrt_v << 8) | diwstrt_h);
|
diwstop = ((diwstop_v & 0xff) << 8) | (diwstop_h & 0xff);
|
diwstop = ((diwstop_v & 0xff) << 8) | (diwstop_h & 0xff);
|
|
|
custom.bplcon0 = mono_current_par.bplcon0; /* set the display mode */
|
custom.bplcon0 = mono_current_par.bplcon0; /* set the display mode */
|
custom.bplcon1 = 0; /* Needed for horizontal scrolling */
|
custom.bplcon1 = 0; /* Needed for horizontal scrolling */
|
custom.bplcon2 = 0;
|
custom.bplcon2 = 0;
|
custom.bpl1mod = bplmod;
|
custom.bpl1mod = bplmod;
|
custom.bpl2mod = bplmod;
|
custom.bpl2mod = bplmod;
|
custom.diwstrt = diwstrt;
|
custom.diwstrt = diwstrt;
|
custom.diwstop = diwstop;
|
custom.diwstop = diwstop;
|
custom.ddfstrt = ddfstrt;
|
custom.ddfstrt = ddfstrt;
|
custom.ddfstop = ddfstop;
|
custom.ddfstop = ddfstop;
|
|
|
custom.color[0] = COLOR_MSB(mono_current_par.bgcol);
|
custom.color[0] = COLOR_MSB(mono_current_par.bgcol);
|
custom.color[1] = COLOR_MSB(mono_current_par.fgcol);
|
custom.color[1] = COLOR_MSB(mono_current_par.fgcol);
|
custom.color[17] = COLOR_MSB(mono_current_par.crsrcol); /* Sprite 0 color */
|
custom.color[17] = COLOR_MSB(mono_current_par.crsrcol); /* Sprite 0 color */
|
|
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
/* Fill in the LSB of the 24 bit color palette */
|
/* Fill in the LSB of the 24 bit color palette */
|
/* Must happen after MSB */
|
/* Must happen after MSB */
|
custom.bplcon3 = geom->bplcon3 | BPC3_LOCT;
|
custom.bplcon3 = geom->bplcon3 | BPC3_LOCT;
|
custom.color[0] = COLOR_LSB(mono_current_par.bgcol);
|
custom.color[0] = COLOR_LSB(mono_current_par.bgcol);
|
custom.color[1] = COLOR_LSB(mono_current_par.fgcol);
|
custom.color[1] = COLOR_LSB(mono_current_par.fgcol);
|
custom.color[17] = COLOR_LSB(mono_current_par.crsrcol);
|
custom.color[17] = COLOR_LSB(mono_current_par.crsrcol);
|
custom.bplcon3 = geom->bplcon3;
|
custom.bplcon3 = geom->bplcon3;
|
}
|
}
|
|
|
if (boot_info.bi_amiga.chipset == CS_ECS && mono_current_par.bplcon0 & BPC0_ECSENA) {
|
if (boot_info.bi_amiga.chipset == CS_ECS && mono_current_par.bplcon0 & BPC0_ECSENA) {
|
/*
|
/*
|
* Calculation of the special ECS color-tables for
|
* Calculation of the special ECS color-tables for
|
* planes and sprites is done in the function
|
* planes and sprites is done in the function
|
* build_ecs_table
|
* build_ecs_table
|
*/
|
*/
|
|
|
/*
|
/*
|
* Calcs a special ECS colortable for the bitplane,
|
* Calcs a special ECS colortable for the bitplane,
|
* and copies it to the custom registers
|
* and copies it to the custom registers
|
*/
|
*/
|
mono_build_ecs_colors(COLOR_MSB(mono_current_par.bgcol), COLOR_MSB(mono_current_par.fgcol),
|
mono_build_ecs_colors(COLOR_MSB(mono_current_par.bgcol), COLOR_MSB(mono_current_par.fgcol),
|
0, 0, ecs_table);
|
0, 0, ecs_table);
|
|
|
#if 0
|
#if 0
|
for (i = 0; i < 8; i++){
|
for (i = 0; i < 8; i++){
|
custom.color[i] = ecs_table[i*2];
|
custom.color[i] = ecs_table[i*2];
|
custom.color[i+8] = ecs_table[i*2+1];
|
custom.color[i+8] = ecs_table[i*2+1];
|
}
|
}
|
#else
|
#else
|
for (i = 0; i < 16; i++){
|
for (i = 0; i < 16; i++){
|
custom.color[i] = ecs_table[i];
|
custom.color[i] = ecs_table[i];
|
}
|
}
|
#endif
|
#endif
|
|
|
mono_ecs_color_zero = ecs_table[0];
|
mono_ecs_color_zero = ecs_table[0];
|
|
|
/*
|
/*
|
* Calcs a special ECS colortable for the cursor
|
* Calcs a special ECS colortable for the cursor
|
* sprite, and copies it to the appropriate custom
|
* sprite, and copies it to the appropriate custom
|
* registers
|
* registers
|
*/
|
*/
|
mono_build_ecs_colors(0, COLOR_MSB(mono_current_par.crsrcol), 0, 0, ecs_table);
|
mono_build_ecs_colors(0, COLOR_MSB(mono_current_par.crsrcol), 0, 0, ecs_table);
|
|
|
for (i = 0; i < 16; i++){
|
for (i = 0; i < 16; i++){
|
custom.color[i+16] = ecs_table[i];
|
custom.color[i+16] = ecs_table[i];
|
}
|
}
|
}
|
}
|
|
|
if (!(geom->isOCS)) {
|
if (!(geom->isOCS)) {
|
/* Need to set up a bunch more regs */
|
/* Need to set up a bunch more regs */
|
/* Assumes that diwstrt is in the (0,0) sector, but stop might not be */
|
/* Assumes that diwstrt is in the (0,0) sector, but stop might not be */
|
diwhigh = (diwstop_v & 0x700) | ((diwstop_h & 0x100) << 5);
|
diwhigh = (diwstop_v & 0x700) | ((diwstop_h & 0x100) << 5);
|
|
|
custom.bplcon2 = geom->bplcon2;
|
custom.bplcon2 = geom->bplcon2;
|
custom.bplcon3 = geom->bplcon3;
|
custom.bplcon3 = geom->bplcon3;
|
/* save bplcon3 for blanking */
|
/* save bplcon3 for blanking */
|
mono_save_bplcon3 = geom->bplcon3;
|
mono_save_bplcon3 = geom->bplcon3;
|
|
|
custom.diwhigh = diwhigh; /* must happen AFTER diwstrt, stop */
|
custom.diwhigh = diwhigh; /* must happen AFTER diwstrt, stop */
|
|
|
custom.htotal = geom->htotal;
|
custom.htotal = geom->htotal;
|
custom.hsstrt = geom->hsstrt;
|
custom.hsstrt = geom->hsstrt;
|
custom.hsstop = geom->hsstop;
|
custom.hsstop = geom->hsstop;
|
custom.hbstrt = geom->hbstrt;
|
custom.hbstrt = geom->hbstrt;
|
custom.hbstop = geom->hbstop;
|
custom.hbstop = geom->hbstop;
|
custom.vtotal = geom->vtotal;
|
custom.vtotal = geom->vtotal;
|
custom.vsstrt = geom->vsstrt;
|
custom.vsstrt = geom->vsstrt;
|
custom.vsstop = geom->vsstop;
|
custom.vsstop = geom->vsstop;
|
custom.vbstrt = geom->vbstrt;
|
custom.vbstrt = geom->vbstrt;
|
custom.vbstop = geom->vbstop;
|
custom.vbstop = geom->vbstop;
|
custom.hcenter = geom->hcenter;
|
custom.hcenter = geom->hcenter;
|
custom.beamcon0 = geom->beamcon0;
|
custom.beamcon0 = geom->beamcon0;
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
custom.fmode = geom->fmode;
|
custom.fmode = geom->fmode;
|
}
|
}
|
/*
|
/*
|
* fmode does NOT! exist under ECS, weird things might happen
|
* fmode does NOT! exist under ECS, weird things might happen
|
*/
|
*/
|
|
|
/* We could load 8-bit colors here, if we wanted */
|
/* We could load 8-bit colors here, if we wanted */
|
|
|
/*
|
/*
|
* The minimum period for audio depends on htotal (for OCS/ECS/AGA)
|
* The minimum period for audio depends on htotal (for OCS/ECS/AGA)
|
*/
|
*/
|
if (boot_info.bi_amiga.chipset != CS_STONEAGE)
|
if (boot_info.bi_amiga.chipset != CS_STONEAGE)
|
amiga_audio_min_period = (geom->htotal>>1)+1;
|
amiga_audio_min_period = (geom->htotal>>1)+1;
|
}
|
}
|
|
|
|
|
/* Build initial copper lists. sprites must be set up, and mono_current_par.diwstrt. */
|
/* Build initial copper lists. sprites must be set up, and mono_current_par.diwstrt. */
|
|
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
mono_current_par.coplist1dyn = mono_build_clist_hdr(p,mono_current_par.coplist1hdr, mono_current_par.coplist2hdr),
|
mono_current_par.coplist1dyn = mono_build_clist_hdr(p,mono_current_par.coplist1hdr, mono_current_par.coplist2hdr),
|
mono_build_clist_dyn(p, mono_current_par.coplist1dyn, 0);
|
mono_build_clist_dyn(p, mono_current_par.coplist1dyn, 0);
|
|
|
mono_current_par.coplist2dyn = mono_build_clist_hdr(p,mono_current_par.coplist2hdr, mono_current_par.coplist1hdr),
|
mono_current_par.coplist2dyn = mono_build_clist_hdr(p,mono_current_par.coplist2hdr, mono_current_par.coplist1hdr),
|
mono_build_clist_dyn(p, mono_current_par.coplist2dyn, 1);
|
mono_build_clist_dyn(p, mono_current_par.coplist2dyn, 1);
|
} else {
|
} else {
|
mono_current_par.coplist1dyn = mono_build_clist_hdr(p,mono_current_par.coplist1hdr, NULL),
|
mono_current_par.coplist1dyn = mono_build_clist_hdr(p,mono_current_par.coplist1hdr, NULL),
|
mono_build_clist_dyn(p, mono_current_par.coplist1dyn, 0);
|
mono_build_clist_dyn(p, mono_current_par.coplist1dyn, 0);
|
}
|
}
|
|
|
|
|
/* Get ready to run first copper list */
|
/* Get ready to run first copper list */
|
custom.cop1lc = mono_current_par.coplist1hdr;
|
custom.cop1lc = mono_current_par.coplist1hdr;
|
custom.copjmp1 = 0;
|
custom.copjmp1 = 0;
|
|
|
/* turn on DMA for bitplane and sprites */
|
/* turn on DMA for bitplane and sprites */
|
custom.dmacon = DMAF_SETCLR | DMAF_RASTER | DMAF_COPPER | DMAF_SPRITE;
|
custom.dmacon = DMAF_SETCLR | DMAF_RASTER | DMAF_COPPER | DMAF_SPRITE;
|
|
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
/* Make sure we get the fields in the right order */
|
/* Make sure we get the fields in the right order */
|
|
|
/* wait for LOF frame bit to go low */
|
/* wait for LOF frame bit to go low */
|
while (custom.vposr & 0x8000)
|
while (custom.vposr & 0x8000)
|
;
|
;
|
|
|
/* wait for LOF frame bit to go high */
|
/* wait for LOF frame bit to go high */
|
while (!(custom.vposr & 0x8000))
|
while (!(custom.vposr & 0x8000))
|
;
|
;
|
|
|
/* start again at the beginning of copper list 1 */
|
/* start again at the beginning of copper list 1 */
|
custom.cop1lc = mono_current_par.coplist1hdr;
|
custom.cop1lc = mono_current_par.coplist1hdr;
|
custom.copjmp1 = 0;
|
custom.copjmp1 = 0;
|
}
|
}
|
}
|
}
|
|
|
|
|
static void mono_amifb_interrupt(int irq, struct pt_regs *fp, void *data)
|
static void mono_amifb_interrupt(int irq, struct pt_regs *fp, void *data)
|
{
|
{
|
register struct display *p = disp;
|
register struct display *p = disp;
|
|
|
static ushort cursorcount = 0;
|
static ushort cursorcount = 0;
|
static ushort cursorstate = 0;
|
static ushort cursorstate = 0;
|
|
|
/* I *think* that you should only change display lists on long frame.
|
/* I *think* that you should only change display lists on long frame.
|
* At least it goes awfully peculiar on my A500 without the following
|
* At least it goes awfully peculiar on my A500 without the following
|
* test. Not really in a position to test this hypothesis, so sorry
|
* test. Not really in a position to test this hypothesis, so sorry
|
* for the slow scrolling, all you flicker-fixed souls
|
* for the slow scrolling, all you flicker-fixed souls
|
*/
|
*/
|
|
|
if (!(mono_current_par.bplcon0 & BPC0_LACE) || (custom.vposr & 0x8000)) {
|
if (!(mono_current_par.bplcon0 & BPC0_LACE) || (custom.vposr & 0x8000)) {
|
if (mono_current_par.scroll_latch || mono_current_par.cursor_latch)
|
if (mono_current_par.scroll_latch || mono_current_par.cursor_latch)
|
mono_build_cursor(p);
|
mono_build_cursor(p);
|
|
|
if (mono_current_par.scroll_latch)
|
if (mono_current_par.scroll_latch)
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
if (mono_current_par.bplcon0 & BPC0_LACE) {
|
mono_build_clist_dyn(p, mono_current_par.coplist1dyn, 0);
|
mono_build_clist_dyn(p, mono_current_par.coplist1dyn, 0);
|
mono_build_clist_dyn(p, mono_current_par.coplist2dyn, 1);
|
mono_build_clist_dyn(p, mono_current_par.coplist2dyn, 1);
|
} else
|
} else
|
mono_build_clist_dyn(p, mono_current_par.coplist1dyn, 0);
|
mono_build_clist_dyn(p, mono_current_par.coplist1dyn, 0);
|
mono_current_par.scroll_latch = 0;
|
mono_current_par.scroll_latch = 0;
|
mono_current_par.cursor_latch = 0;
|
mono_current_par.cursor_latch = 0;
|
}
|
}
|
|
|
if (!(custom.potgor & (1<<10)))
|
if (!(custom.potgor & (1<<10)))
|
mono_vblank.right_count++;
|
mono_vblank.right_count++;
|
|
|
if (mono_current_par.cursor_visible) {
|
if (mono_current_par.cursor_visible) {
|
if (mono_current_par.cursor_flash) {
|
if (mono_current_par.cursor_flash) {
|
if (cursorcount)
|
if (cursorcount)
|
cursorcount--;
|
cursorcount--;
|
else {
|
else {
|
cursorcount = CRSR_RATE;
|
cursorcount = CRSR_RATE;
|
if ((cursorstate = !cursorstate))
|
if ((cursorstate = !cursorstate))
|
custom.dmacon = DMAF_SETCLR | DMAF_SPRITE;
|
custom.dmacon = DMAF_SETCLR | DMAF_SPRITE;
|
else
|
else
|
custom.dmacon = DMAF_SPRITE;
|
custom.dmacon = DMAF_SPRITE;
|
}
|
}
|
}
|
}
|
} else
|
} else
|
custom.dmacon = DMAF_SPRITE;
|
custom.dmacon = DMAF_SPRITE;
|
|
|
if (mono_do_blank) {
|
if (mono_do_blank) {
|
custom.dmacon = DMAF_RASTER | DMAF_SPRITE;
|
custom.dmacon = DMAF_RASTER | DMAF_SPRITE;
|
custom.color[0] = 0;
|
custom.color[0] = 0;
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
/* Fill in the LSB of the 24 bit color palette */
|
/* Fill in the LSB of the 24 bit color palette */
|
/* Must happen after MSB */
|
/* Must happen after MSB */
|
custom.bplcon3 = mono_save_bplcon3 | BPC3_LOCT;
|
custom.bplcon3 = mono_save_bplcon3 | BPC3_LOCT;
|
custom.color[0]= 0;
|
custom.color[0]= 0;
|
custom.bplcon3 = mono_save_bplcon3;
|
custom.bplcon3 = mono_save_bplcon3;
|
}
|
}
|
mono_do_blank = 0;
|
mono_do_blank = 0;
|
}
|
}
|
|
|
if (mono_do_unblank) {
|
if (mono_do_unblank) {
|
if (mono_current_par.cursor_visible)
|
if (mono_current_par.cursor_visible)
|
custom.dmacon = DMAF_SETCLR | DMAF_RASTER | DMAF_SPRITE;
|
custom.dmacon = DMAF_SETCLR | DMAF_RASTER | DMAF_SPRITE;
|
else
|
else
|
custom.dmacon = DMAF_SETCLR | DMAF_RASTER;
|
custom.dmacon = DMAF_SETCLR | DMAF_RASTER;
|
custom.color[0] = COLOR_MSB(mono_current_par.bgcol);
|
custom.color[0] = COLOR_MSB(mono_current_par.bgcol);
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
/* Fill in the LSB of the 24 bit color palette */
|
/* Fill in the LSB of the 24 bit color palette */
|
/* Must happen after MSB */
|
/* Must happen after MSB */
|
custom.bplcon3 = mono_save_bplcon3 | BPC3_LOCT;
|
custom.bplcon3 = mono_save_bplcon3 | BPC3_LOCT;
|
custom.color[0] = COLOR_LSB(mono_current_par.bgcol);
|
custom.color[0] = COLOR_LSB(mono_current_par.bgcol);
|
custom.bplcon3 = mono_save_bplcon3;
|
custom.bplcon3 = mono_save_bplcon3;
|
}
|
}
|
/* color[0] is set to mono_ecs_color_zero under ECS */
|
/* color[0] is set to mono_ecs_color_zero under ECS */
|
if (boot_info.bi_amiga.chipset == CS_ECS && mono_current_par.bplcon0 & BPC0_ECSENA) {
|
if (boot_info.bi_amiga.chipset == CS_ECS && mono_current_par.bplcon0 & BPC0_ECSENA) {
|
custom.color[0] = mono_ecs_color_zero;
|
custom.color[0] = mono_ecs_color_zero;
|
}
|
}
|
mono_do_unblank = 0;
|
mono_do_unblank = 0;
|
}
|
}
|
|
|
mono_vblank.done = 1;
|
mono_vblank.done = 1;
|
}
|
}
|
|
|
|
|
static int mono_amiga_fb_get_fix(struct fb_fix_screeninfo *fix, int con)
|
static int mono_amiga_fb_get_fix(struct fb_fix_screeninfo *fix, int con)
|
{
|
{
|
int i;
|
int i;
|
|
|
strcpy(fix->id, mono_current_par.geometry->modename);
|
strcpy(fix->id, mono_current_par.geometry->modename);
|
fix->smem_start = mono_current_par.smem_start;
|
fix->smem_start = mono_current_par.smem_start;
|
fix->smem_len = mono_current_par.smem_len;
|
fix->smem_len = mono_current_par.smem_len;
|
|
|
/*
|
/*
|
* Only monochrome bitmap at the moment
|
* Only monochrome bitmap at the moment
|
*/
|
*/
|
|
|
fix->type = FB_TYPE_PACKED_PIXELS;
|
fix->type = FB_TYPE_PACKED_PIXELS;
|
|
|
fix->type_aux = 0;
|
fix->type_aux = 0;
|
if (mono_amifb_inverse)
|
if (mono_amifb_inverse)
|
fix->visual = FB_VISUAL_MONO10;
|
fix->visual = FB_VISUAL_MONO10;
|
else
|
else
|
fix->visual = FB_VISUAL_MONO01;
|
fix->visual = FB_VISUAL_MONO01;
|
|
|
fix->xpanstep = 0;
|
fix->xpanstep = 0;
|
fix->ypanstep = 0;
|
fix->ypanstep = 0;
|
fix->ywrapstep = 1;
|
fix->ywrapstep = 1;
|
|
|
fix->line_length = 0;
|
fix->line_length = 0;
|
for (i = 0; i < arraysize(fix->reserved); i++)
|
for (i = 0; i < arraysize(fix->reserved); i++)
|
fix->reserved[i] = 0;
|
fix->reserved[i] = 0;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static int mono_amiga_fb_get_var(struct fb_var_screeninfo *var, int con)
|
static int mono_amiga_fb_get_var(struct fb_var_screeninfo *var, int con)
|
{
|
{
|
int i;
|
int i;
|
|
|
var->xres = mono_current_par.geometry->scr_width;
|
var->xres = mono_current_par.geometry->scr_width;
|
var->yres = mono_current_par.geometry->scr_height;
|
var->yres = mono_current_par.geometry->scr_height;
|
var->xres_virtual = var->xres;
|
var->xres_virtual = var->xres;
|
var->yres_virtual = var->yres;
|
var->yres_virtual = var->yres;
|
var->xoffset = 0;
|
var->xoffset = 0;
|
var->yoffset = 0;
|
var->yoffset = 0;
|
|
|
var->bits_per_pixel = mono_current_par.geometry->scr_depth;
|
var->bits_per_pixel = mono_current_par.geometry->scr_depth;
|
var->grayscale = 0;
|
var->grayscale = 0;
|
|
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
if (boot_info.bi_amiga.chipset == CS_AGA) {
|
var->red.offset = 0;
|
var->red.offset = 0;
|
var->red.length = 8;
|
var->red.length = 8;
|
var->red.msb_right = 0;
|
var->red.msb_right = 0;
|
var->green = var->red;
|
var->green = var->red;
|
var->blue = var->red;
|
var->blue = var->red;
|
} else {
|
} else {
|
var->red.offset = 0;
|
var->red.offset = 0;
|
var->red.length = 4;
|
var->red.length = 4;
|
var->red.msb_right = 0;
|
var->red.msb_right = 0;
|
var->green = var->red;
|
var->green = var->red;
|
var->blue = var->red;
|
var->blue = var->red;
|
}
|
}
|
|
|
var->nonstd = 0;
|
var->nonstd = 0;
|
var->activate = 0;
|
var->activate = 0;
|
|
|
var->width = -1;
|
var->width = -1;
|
var->height = -1;
|
var->height = -1;
|
|
|
var->accel = FB_ACCEL_NONE;
|
var->accel = FB_ACCEL_NONE;
|
|
|
var->pixclock = 35242;
|
var->pixclock = 35242;
|
var->left_margin = (mono_current_par.geometry->hbstop-mono_current_par.geometry->hsstrt)*8;
|
var->left_margin = (mono_current_par.geometry->hbstop-mono_current_par.geometry->hsstrt)*8;
|
var->right_margin = (mono_current_par.geometry->hsstrt-mono_current_par.geometry->hbstrt)*8;
|
var->right_margin = (mono_current_par.geometry->hsstrt-mono_current_par.geometry->hbstrt)*8;
|
var->upper_margin = (mono_current_par.geometry->vbstop-mono_current_par.geometry->vsstrt)*8;
|
var->upper_margin = (mono_current_par.geometry->vbstop-mono_current_par.geometry->vsstrt)*8;
|
var->lower_margin = (mono_current_par.geometry->vsstrt-mono_current_par.geometry->vbstrt)*8;
|
var->lower_margin = (mono_current_par.geometry->vsstrt-mono_current_par.geometry->vbstrt)*8;
|
var->hsync_len = (mono_current_par.geometry->hsstop-mono_current_par.geometry->hsstrt)*8;
|
var->hsync_len = (mono_current_par.geometry->hsstop-mono_current_par.geometry->hsstrt)*8;
|
var->vsync_len = (mono_current_par.geometry->vsstop-mono_current_par.geometry->vsstrt)*8;
|
var->vsync_len = (mono_current_par.geometry->vsstop-mono_current_par.geometry->vsstrt)*8;
|
var->sync = 0;
|
var->sync = 0;
|
if (mono_current_par.geometry->bplcon0 & BPC0_LACE)
|
if (mono_current_par.geometry->bplcon0 & BPC0_LACE)
|
var->vmode = FB_VMODE_INTERLACED;
|
var->vmode = FB_VMODE_INTERLACED;
|
else if ((boot_info.bi_amiga.chipset == CS_AGA) && (mono_current_par.geometry->fmode & FMODE_BSCAN2))
|
else if ((boot_info.bi_amiga.chipset == CS_AGA) && (mono_current_par.geometry->fmode & FMODE_BSCAN2))
|
var->vmode = FB_VMODE_DOUBLE;
|
var->vmode = FB_VMODE_DOUBLE;
|
else
|
else
|
var->vmode = FB_VMODE_NONINTERLACED;
|
var->vmode = FB_VMODE_NONINTERLACED;
|
|
|
for (i = 0; i < arraysize(var->reserved); i++)
|
for (i = 0; i < arraysize(var->reserved); i++)
|
var->reserved[i] = 0;
|
var->reserved[i] = 0;
|
|
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static void mono_amiga_fb_set_disp(int con)
|
static void mono_amiga_fb_set_disp(int con)
|
{
|
{
|
struct fb_fix_screeninfo fix;
|
struct fb_fix_screeninfo fix;
|
|
|
mono_amiga_fb_get_fix(&fix, con);
|
mono_amiga_fb_get_fix(&fix, con);
|
if (con == -1)
|
if (con == -1)
|
con = 0;
|
con = 0;
|
disp[con].screen_base = (u_char *)fix.smem_start;
|
disp[con].screen_base = (u_char *)fix.smem_start;
|
disp[con].visual = fix.visual;
|
disp[con].visual = fix.visual;
|
disp[con].type = fix.type;
|
disp[con].type = fix.type;
|
disp[con].type_aux = fix.type_aux;
|
disp[con].type_aux = fix.type_aux;
|
disp[con].ypanstep = fix.ypanstep;
|
disp[con].ypanstep = fix.ypanstep;
|
disp[con].ywrapstep = fix.ywrapstep;
|
disp[con].ywrapstep = fix.ywrapstep;
|
disp[con].line_length = fix.line_length;
|
disp[con].line_length = fix.line_length;
|
disp[con].can_soft_blank = 1;
|
disp[con].can_soft_blank = 1;
|
disp[con].inverse = mono_amifb_inverse;
|
disp[con].inverse = mono_amifb_inverse;
|
}
|
}
|
|
|
|
|
static int mono_amiga_fb_set_var(struct fb_var_screeninfo *var, int con)
|
static int mono_amiga_fb_set_var(struct fb_var_screeninfo *var, int con)
|
{
|
{
|
/*
|
/*
|
* Not yet implemented
|
* Not yet implemented
|
*/
|
*/
|
return 0; /* The X server needs this */
|
return 0; /* The X server needs this */
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
|
|
static short mono_red_normal[] = {
|
static short mono_red_normal[] = {
|
((BG_COLOR & 0xff0000)>>8) | ((BG_COLOR & 0xff0000)>>16),
|
((BG_COLOR & 0xff0000)>>8) | ((BG_COLOR & 0xff0000)>>16),
|
((FG_COLOR & 0xff0000)>>8) | ((FG_COLOR & 0xff0000)>>16)
|
((FG_COLOR & 0xff0000)>>8) | ((FG_COLOR & 0xff0000)>>16)
|
};
|
};
|
static short mono_green_normal[] = {
|
static short mono_green_normal[] = {
|
((BG_COLOR & 0x00ff00)) | ((BG_COLOR & 0x00ff00)>>8),
|
((BG_COLOR & 0x00ff00)) | ((BG_COLOR & 0x00ff00)>>8),
|
((FG_COLOR & 0x00ff00)) | ((FG_COLOR & 0x00ff00)>>8)
|
((FG_COLOR & 0x00ff00)) | ((FG_COLOR & 0x00ff00)>>8)
|
};
|
};
|
static short mono_blue_normal[] = {
|
static short mono_blue_normal[] = {
|
((BG_COLOR & 0x0000ff)<<8) | ((BG_COLOR & 0x0000ff)),
|
((BG_COLOR & 0x0000ff)<<8) | ((BG_COLOR & 0x0000ff)),
|
((FG_COLOR & 0x0000ff)<<8) | ((FG_COLOR & 0x0000ff))
|
((FG_COLOR & 0x0000ff)<<8) | ((FG_COLOR & 0x0000ff))
|
};
|
};
|
|
|
static short mono_red_inverse[] = {
|
static short mono_red_inverse[] = {
|
((BG_COLOR_INV & 0xff0000)>>8) | ((BG_COLOR_INV & 0xff0000)>>16),
|
((BG_COLOR_INV & 0xff0000)>>8) | ((BG_COLOR_INV & 0xff0000)>>16),
|
((FG_COLOR_INV & 0xff0000)>>8) | ((FG_COLOR_INV & 0xff0000)>>16)
|
((FG_COLOR_INV & 0xff0000)>>8) | ((FG_COLOR_INV & 0xff0000)>>16)
|
};
|
};
|
static short mono_green_inverse[] = {
|
static short mono_green_inverse[] = {
|
((BG_COLOR_INV & 0x00ff00)) | ((BG_COLOR_INV & 0x00ff00)>>8),
|
((BG_COLOR_INV & 0x00ff00)) | ((BG_COLOR_INV & 0x00ff00)>>8),
|
((FG_COLOR_INV & 0x00ff00)) | ((FG_COLOR_INV & 0x00ff00)>>8)
|
((FG_COLOR_INV & 0x00ff00)) | ((FG_COLOR_INV & 0x00ff00)>>8)
|
};
|
};
|
static short mono_blue_inverse[] = {
|
static short mono_blue_inverse[] = {
|
((BG_COLOR_INV & 0x0000ff)<<8) | ((BG_COLOR_INV & 0x0000ff)),
|
((BG_COLOR_INV & 0x0000ff)<<8) | ((BG_COLOR_INV & 0x0000ff)),
|
((FG_COLOR_INV & 0x0000ff)<<8) | ((FG_COLOR & 0x0000ff))
|
((FG_COLOR_INV & 0x0000ff)<<8) | ((FG_COLOR & 0x0000ff))
|
};
|
};
|
|
|
static struct fb_cmap mono_default_cmap_normal = { 0, 2, mono_red_normal, mono_green_normal, mono_blue_normal, NULL };
|
static struct fb_cmap mono_default_cmap_normal = { 0, 2, mono_red_normal, mono_green_normal, mono_blue_normal, NULL };
|
static struct fb_cmap mono_default_cmap_inverse = { 0, 2, mono_red_inverse, mono_green_inverse, mono_blue_inverse, NULL };
|
static struct fb_cmap mono_default_cmap_inverse = { 0, 2, mono_red_inverse, mono_green_inverse, mono_blue_inverse, NULL };
|
|
|
static int mono_amiga_fb_get_cmap(struct fb_cmap *cmap, int kspc, int con)
|
static int mono_amiga_fb_get_cmap(struct fb_cmap *cmap, int kspc, int con)
|
{
|
{
|
int i, start;
|
int i, start;
|
unsigned short *red, *green, *blue, *transp;
|
unsigned short *red, *green, *blue, *transp;
|
unsigned int hred, hgreen, hblue, htransp;
|
unsigned int hred, hgreen, hblue, htransp;
|
struct fb_cmap *def_cmap;
|
struct fb_cmap *def_cmap;
|
|
|
red = cmap->red;
|
red = cmap->red;
|
green = cmap->green;
|
green = cmap->green;
|
blue = cmap->blue;
|
blue = cmap->blue;
|
transp = cmap->transp;
|
transp = cmap->transp;
|
start = cmap->start;
|
start = cmap->start;
|
if (start < 0)
|
if (start < 0)
|
return(-EINVAL);
|
return(-EINVAL);
|
|
|
if (mono_amifb_inverse)
|
if (mono_amifb_inverse)
|
def_cmap = &mono_default_cmap_inverse;
|
def_cmap = &mono_default_cmap_inverse;
|
else
|
else
|
def_cmap = &mono_default_cmap_normal;
|
def_cmap = &mono_default_cmap_normal;
|
|
|
for (i = 0; i < cmap->len; i++) {
|
for (i = 0; i < cmap->len; i++) {
|
if (i < def_cmap->len) {
|
if (i < def_cmap->len) {
|
hred = def_cmap->red[i];
|
hred = def_cmap->red[i];
|
hgreen = def_cmap->green[i];
|
hgreen = def_cmap->green[i];
|
hblue = def_cmap->blue[i];
|
hblue = def_cmap->blue[i];
|
if (def_cmap->transp)
|
if (def_cmap->transp)
|
htransp = def_cmap->transp[i];
|
htransp = def_cmap->transp[i];
|
else
|
else
|
htransp = 0;
|
htransp = 0;
|
} else
|
} else
|
hred = hgreen = hblue = htransp = 0;
|
hred = hgreen = hblue = htransp = 0;
|
if (kspc) {
|
if (kspc) {
|
*red = hred;
|
*red = hred;
|
*green = hgreen;
|
*green = hgreen;
|
*blue = hblue;
|
*blue = hblue;
|
if (transp)
|
if (transp)
|
*transp = htransp;
|
*transp = htransp;
|
} else {
|
} else {
|
put_fs_word(hred, red);
|
put_fs_word(hred, red);
|
put_fs_word(hgreen, green);
|
put_fs_word(hgreen, green);
|
put_fs_word(hblue, blue);
|
put_fs_word(hblue, blue);
|
if (transp)
|
if (transp)
|
put_fs_word(htransp, transp);
|
put_fs_word(htransp, transp);
|
}
|
}
|
red++;
|
red++;
|
green++;
|
green++;
|
blue++;
|
blue++;
|
if (transp)
|
if (transp)
|
transp++;
|
transp++;
|
}
|
}
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static int mono_amiga_fb_set_cmap(struct fb_cmap *cmap, int kspc, int con)
|
static int mono_amiga_fb_set_cmap(struct fb_cmap *cmap, int kspc, int con)
|
{
|
{
|
/*
|
/*
|
* Not yet implemented
|
* Not yet implemented
|
*/
|
*/
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
|
|
static int mono_amiga_fb_pan_display(struct fb_var_screeninfo *var, int con)
|
static int mono_amiga_fb_pan_display(struct fb_var_screeninfo *var, int con)
|
{
|
{
|
/*
|
/*
|
* Not yet implemented
|
* Not yet implemented
|
*/
|
*/
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
|
|
static int mono_amiga_fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
|
static int mono_amiga_fb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
|
unsigned long arg, int con)
|
unsigned long arg, int con)
|
{
|
{
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
static struct fb_ops mono_amiga_fb_ops = {
|
static struct fb_ops mono_amiga_fb_ops = {
|
mono_amiga_fb_get_fix, mono_amiga_fb_get_var, mono_amiga_fb_set_var, mono_amiga_fb_get_cmap,
|
mono_amiga_fb_get_fix, mono_amiga_fb_get_var, mono_amiga_fb_set_var, mono_amiga_fb_get_cmap,
|
mono_amiga_fb_set_cmap, mono_amiga_fb_pan_display, mono_amiga_fb_ioctl
|
mono_amiga_fb_set_cmap, mono_amiga_fb_pan_display, mono_amiga_fb_ioctl
|
};
|
};
|
|
|
|
|
static int mono_amifb_switch (int con)
|
static int mono_amifb_switch (int con)
|
{
|
{
|
mono_current_par.y_wrap = disp[con].var.yoffset;
|
mono_current_par.y_wrap = disp[con].var.yoffset;
|
mono_current_par.cursor_latch = 1;
|
mono_current_par.cursor_latch = 1;
|
mono_current_par.scroll_latch = 1;
|
mono_current_par.scroll_latch = 1;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static int mono_amifb_updatevar(int con)
|
static int mono_amifb_updatevar(int con)
|
{
|
{
|
mono_current_par.y_wrap = disp[con].var.yoffset;
|
mono_current_par.y_wrap = disp[con].var.yoffset;
|
mono_current_par.cursor_latch = 1;
|
mono_current_par.cursor_latch = 1;
|
mono_current_par.scroll_latch = 1;
|
mono_current_par.scroll_latch = 1;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static void mono_amifb_blank(int blank)
|
static void mono_amifb_blank(int blank)
|
{
|
{
|
if (blank)
|
if (blank)
|
mono_do_blank = 1;
|
mono_do_blank = 1;
|
else
|
else
|
mono_do_unblank = 1;
|
mono_do_unblank = 1;
|
}
|
}
|
|
|
|
|
static struct fb_info *mono_amiga_fb_init(long *mem_start)
|
static struct fb_info *mono_amiga_fb_init(long *mem_start)
|
{
|
{
|
int mode = mono_amifb_mode;
|
int mode = mono_amifb_mode;
|
ulong model;
|
ulong model;
|
int inverse_video = mono_amifb_inverse;
|
int inverse_video = mono_amifb_inverse;
|
int err;
|
int err;
|
|
|
err=register_framebuffer("Amiga Builtin", &node, &mono_amiga_fb_ops, mono_num_mono_amiga_fb_predefined,
|
err=register_framebuffer("Amiga Builtin", &node, &mono_amiga_fb_ops, mono_num_mono_amiga_fb_predefined,
|
mono_mono_amiga_fb_predefined);
|
mono_mono_amiga_fb_predefined);
|
|
|
model = boot_info.bi_un.bi_ami.model;
|
model = boot_info.bi_un.bi_ami.model;
|
if (mode == -1)
|
if (mode == -1)
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
mode = AGA_DEFMODE;
|
mode = AGA_DEFMODE;
|
else if (model == AMI_3000)
|
else if (model == AMI_3000)
|
mode = boot_info.bi_un.bi_ami.vblank == 50 ? OCS_PAL_3000_DEFMODE : OCS_NTSC_3000_DEFMODE;
|
mode = boot_info.bi_un.bi_ami.vblank == 50 ? OCS_PAL_3000_DEFMODE : OCS_NTSC_3000_DEFMODE;
|
else
|
else
|
mode = boot_info.bi_un.bi_ami.vblank == 50 ? OCS_PAL_LOWEND_DEFMODE : OCS_NTSC_LOWEND_DEFMODE;
|
mode = boot_info.bi_un.bi_ami.vblank == 50 ? OCS_PAL_LOWEND_DEFMODE : OCS_NTSC_LOWEND_DEFMODE;
|
|
|
mono_init_vblank();
|
mono_init_vblank();
|
mono_display_init(disp, &mono_modes[mode], inverse_video);
|
mono_display_init(disp, &mono_modes[mode], inverse_video);
|
if (!add_isr(IRQ_AMIGA_VERTB, mono_amifb_interrupt, 0, NULL, "frame buffer"))
|
if (!add_isr(IRQ_AMIGA_VERTB, mono_amifb_interrupt, 0, NULL, "frame buffer"))
|
panic("Couldn't add vblank interrupt");
|
panic("Couldn't add vblank interrupt");
|
|
|
mono_amiga_fb_get_var(&disp[0].var, 0);
|
mono_amiga_fb_get_var(&disp[0].var, 0);
|
if (mono_amifb_inverse)
|
if (mono_amifb_inverse)
|
disp[0].cmap = mono_default_cmap_inverse;
|
disp[0].cmap = mono_default_cmap_inverse;
|
else
|
else
|
disp[0].cmap = mono_default_cmap_normal;
|
disp[0].cmap = mono_default_cmap_normal;
|
mono_amiga_fb_set_disp(-1);
|
mono_amiga_fb_set_disp(-1);
|
|
|
strcpy(fb_info.modename, "Amiga Builtin ");
|
strcpy(fb_info.modename, "Amiga Builtin ");
|
fb_info.disp = disp;
|
fb_info.disp = disp;
|
fb_info.switch_con = &mono_amifb_switch;
|
fb_info.switch_con = &mono_amifb_switch;
|
fb_info.updatevar = &mono_amifb_updatevar;
|
fb_info.updatevar = &mono_amifb_updatevar;
|
fb_info.blank = &mono_amifb_blank;
|
fb_info.blank = &mono_amifb_blank;
|
strcat(fb_info.modename, mono_modes[mode].modename);
|
strcat(fb_info.modename, mono_modes[mode].modename);
|
|
|
return(&fb_info);
|
return(&fb_info);
|
}
|
}
|
#endif /* USE_MONO_AMIFB_IF_NON_AGA */
|
#endif /* USE_MONO_AMIFB_IF_NON_AGA */
|
|
|
|
|
/* -------------------- OCS specific routines ------------------------------- */
|
/* -------------------- OCS specific routines ------------------------------- */
|
|
|
|
|
#ifdef CONFIG_AMIFB_OCS
|
#ifdef CONFIG_AMIFB_OCS
|
/*
|
/*
|
* Initialization
|
* Initialization
|
*
|
*
|
* Allocate the required chip memory.
|
* Allocate the required chip memory.
|
* Set the default video mode for this chipset. If a video mode was
|
* Set the default video mode for this chipset. If a video mode was
|
* specified on the command line, it will override the default mode.
|
* specified on the command line, it will override the default mode.
|
*/
|
*/
|
|
|
static int ocs_init(void)
|
static int ocs_init(void)
|
{
|
{
|
u_long p;
|
u_long p;
|
|
|
/*
|
/*
|
* Disable Display DMA
|
* Disable Display DMA
|
*/
|
*/
|
|
|
custom.dmacon = DMAF_ALL | DMAF_MASTER;
|
custom.dmacon = DMAF_ALL | DMAF_MASTER;
|
|
|
/*
|
/*
|
* Set the Default Video Mode
|
* Set the Default Video Mode
|
*/
|
*/
|
|
|
if (!amifb_mode)
|
if (!amifb_mode)
|
amifb_mode = get_video_mode(boot_info.bi_un.bi_ami.vblank == 50 ?
|
amifb_mode = get_video_mode(boot_info.bi_un.bi_ami.vblank == 50 ?
|
DEFMODE_PAL : DEFMODE_NTSC);
|
DEFMODE_PAL : DEFMODE_NTSC);
|
|
|
/*
|
/*
|
* Allocate Chip RAM Structures
|
* Allocate Chip RAM Structures
|
*/
|
*/
|
|
|
videomemorysize = VIDEOMEMSIZE_OCS;
|
videomemorysize = VIDEOMEMSIZE_OCS;
|
|
|
|
|
...
|
...
|
...
|
...
|
...
|
...
|
|
|
|
|
/*
|
/*
|
* Enable Display DMA
|
* Enable Display DMA
|
*/
|
*/
|
|
|
custom.dmacon = DMAF_SETCLR | DMAF_MASTER | DMAF_RASTER | DMAF_COPPER |
|
custom.dmacon = DMAF_SETCLR | DMAF_MASTER | DMAF_RASTER | DMAF_COPPER |
|
DMAF_SPRITE;
|
DMAF_SPRITE;
|
|
|
return(0);
|
return(0);
|
}
|
}
|
#endif /* CONFIG_AMIFB_OCS */
|
#endif /* CONFIG_AMIFB_OCS */
|
|
|
|
|
/* -------------------- ECS specific routines ------------------------------- */
|
/* -------------------- ECS specific routines ------------------------------- */
|
|
|
|
|
#ifdef CONFIG_AMIFB_ECS
|
#ifdef CONFIG_AMIFB_ECS
|
/*
|
/*
|
* Initialization
|
* Initialization
|
*
|
*
|
* Allocate the required chip memory.
|
* Allocate the required chip memory.
|
* Set the default video mode for this chipset. If a video mode was
|
* Set the default video mode for this chipset. If a video mode was
|
* specified on the command line, it will override the default mode.
|
* specified on the command line, it will override the default mode.
|
*/
|
*/
|
|
|
static int ecs_init(void)
|
static int ecs_init(void)
|
{
|
{
|
u_long p;
|
u_long p;
|
|
|
/*
|
/*
|
* Disable Display DMA
|
* Disable Display DMA
|
*/
|
*/
|
|
|
custom.dmacon = DMAF_ALL | DMAF_MASTER;
|
custom.dmacon = DMAF_ALL | DMAF_MASTER;
|
|
|
/*
|
/*
|
* Set the Default Video Mode
|
* Set the Default Video Mode
|
*/
|
*/
|
|
|
if (!amifb_mode)
|
if (!amifb_mode)
|
if (AMIGAHW_PRESENT(AMBER_FF))
|
if (AMIGAHW_PRESENT(AMBER_FF))
|
amifb_mode = get_video_mode(boot_info.bi_un.bi_ami.vblank == 50 ?
|
amifb_mode = get_video_mode(boot_info.bi_un.bi_ami.vblank == 50 ?
|
DEFMODE_AMBER_PAL : DEFMODE_AMBER_NTSC);
|
DEFMODE_AMBER_PAL : DEFMODE_AMBER_NTSC);
|
else
|
else
|
amifb_mode = get_video_mode(boot_info.bi_un.bi_ami.vblank == 50 ?
|
amifb_mode = get_video_mode(boot_info.bi_un.bi_ami.vblank == 50 ?
|
DEFMODE_PAL : DEFMODE_NTSC);
|
DEFMODE_PAL : DEFMODE_NTSC);
|
|
|
/*
|
/*
|
* Allocate Chip RAM Structures
|
* Allocate Chip RAM Structures
|
*/
|
*/
|
|
|
if (boot_info.bi_amiga.chip_size > 1048576)
|
if (boot_info.bi_amiga.chip_size > 1048576)
|
videomemorysize = VIDEOMEMSIZE_ECS_2M;
|
videomemorysize = VIDEOMEMSIZE_ECS_2M;
|
else
|
else
|
videomemorysize = VIDEOMEMSIZE_ECS_1M;
|
videomemorysize = VIDEOMEMSIZE_ECS_1M;
|
|
|
|
|
...
|
...
|
...
|
...
|
...
|
...
|
|
|
|
|
/*
|
/*
|
* Enable Display DMA
|
* Enable Display DMA
|
*/
|
*/
|
|
|
custom.dmacon = DMAF_SETCLR | DMAF_MASTER | DMAF_RASTER | DMAF_COPPER |
|
custom.dmacon = DMAF_SETCLR | DMAF_MASTER | DMAF_RASTER | DMAF_COPPER |
|
DMAF_SPRITE;
|
DMAF_SPRITE;
|
|
|
return(0);
|
return(0);
|
}
|
}
|
#endif /* CONFIG_AMIFB_ECS */
|
#endif /* CONFIG_AMIFB_ECS */
|
|
|
|
|
/* -------------------- AGA specific routines ------------------------------- */
|
/* -------------------- AGA specific routines ------------------------------- */
|
|
|
|
|
#ifdef CONFIG_AMIFB_AGA
|
#ifdef CONFIG_AMIFB_AGA
|
/*
|
/*
|
* Macros for the conversion from real world values to hardware register
|
* Macros for the conversion from real world values to hardware register
|
* values (and vice versa).
|
* values (and vice versa).
|
*
|
*
|
* This helps us to keep our attention on the real stuff...
|
* This helps us to keep our attention on the real stuff...
|
*
|
*
|
* Hardware limits:
|
* Hardware limits:
|
*
|
*
|
* parameter min max step
|
* parameter min max step
|
* --------- --- ---- ----
|
* --------- --- ---- ----
|
* diwstrt_h 0 2047 1
|
* diwstrt_h 0 2047 1
|
* diwstrt_v 0 2047 1
|
* diwstrt_v 0 2047 1
|
* diwstop_h 0 2047 1
|
* diwstop_h 0 2047 1
|
* diwstop_v 0 2047 1
|
* diwstop_v 0 2047 1
|
*
|
*
|
* ddfstrt 0 2032 16
|
* ddfstrt 0 2032 16
|
* ddfstop 0 2032 16
|
* ddfstop 0 2032 16
|
*
|
*
|
* htotal 8 2048 8
|
* htotal 8 2048 8
|
* hsstrt 0 2040 8
|
* hsstrt 0 2040 8
|
* hsstop 0 2040 8
|
* hsstop 0 2040 8
|
* vtotal 1 2048 1
|
* vtotal 1 2048 1
|
* vsstrt 0 2047 1
|
* vsstrt 0 2047 1
|
* vsstop 0 2047 1
|
* vsstop 0 2047 1
|
* hcenter 0 2040 8
|
* hcenter 0 2040 8
|
*
|
*
|
* hbstrt 0 2047 1
|
* hbstrt 0 2047 1
|
* hbstop 0 2047 1
|
* hbstop 0 2047 1
|
* vbstrt 0 2047 1
|
* vbstrt 0 2047 1
|
* vbstop 0 2047 1
|
* vbstop 0 2047 1
|
*
|
*
|
* Horizontal values are in 35 ns (SHRES) pixels
|
* Horizontal values are in 35 ns (SHRES) pixels
|
* Vertical values are in scanlines
|
* Vertical values are in scanlines
|
*/
|
*/
|
|
|
/* bplcon1 (smooth scrolling) */
|
/* bplcon1 (smooth scrolling) */
|
|
|
#define hscroll2hw(hscroll) \
|
#define hscroll2hw(hscroll) \
|
(((hscroll)<<12 & 0x3000) | ((hscroll)<<8 & 0xc300) | \
|
(((hscroll)<<12 & 0x3000) | ((hscroll)<<8 & 0xc300) | \
|
((hscroll)<<4 & 0x0c00) | ((hscroll)<<2 & 0x00f0) | ((hscroll)>>2 & 0x000f))
|
((hscroll)<<4 & 0x0c00) | ((hscroll)<<2 & 0x00f0) | ((hscroll)>>2 & 0x000f))
|
|
|
#define hw2hscroll(hscroll) \
|
#define hw2hscroll(hscroll) \
|
(((hscroll)>>8 & 0x00c3) | ((hscroll)<<2 & 0x003c))
|
(((hscroll)>>8 & 0x00c3) | ((hscroll)<<2 & 0x003c))
|
|
|
/* diwstrt/diwstop/diwhigh (visible display window) */
|
/* diwstrt/diwstop/diwhigh (visible display window) */
|
|
|
#define diwstrt2hw(diwstrt_h, diwstrt_v) \
|
#define diwstrt2hw(diwstrt_h, diwstrt_v) \
|
(((diwstrt_v)<<8 & 0xff00) | ((diwstrt_h)>>2 & 0x00ff))
|
(((diwstrt_v)<<8 & 0xff00) | ((diwstrt_h)>>2 & 0x00ff))
|
#define diwstop2hw(distop_h, diwstop_v) \
|
#define diwstop2hw(distop_h, diwstop_v) \
|
(((diwstop_v)<<8 & 0xff00) | ((diwstop_h)>>2 & 0x00ff))
|
(((diwstop_v)<<8 & 0xff00) | ((diwstop_h)>>2 & 0x00ff))
|
#define diw2hw_high(diwstrt_h, diwstrt_v, distop_h, diwstop_v) \
|
#define diw2hw_high(diwstrt_h, diwstrt_v, distop_h, diwstop_v) \
|
(((diwstop_h)<<3 & 0x2000) | ((diwstop_h)<<11 & 0x1800) | \
|
(((diwstop_h)<<3 & 0x2000) | ((diwstop_h)<<11 & 0x1800) | \
|
((diwstop_v) & 0x0700) | ((diwstrt_h)>>5 & 0x0020) | \
|
((diwstop_v) & 0x0700) | ((diwstrt_h)>>5 & 0x0020) | \
|
((diwstrt_h)<<3 & 0x0018) | ((diwstrt_v)>>8 & 0x0007))
|
((diwstrt_h)<<3 & 0x0018) | ((diwstrt_v)>>8 & 0x0007))
|
|
|
#define hw2diwstrt_h(diwstrt, diwhigh) \
|
#define hw2diwstrt_h(diwstrt, diwhigh) \
|
(((diwhigh)<<5 & 0x0400) | ((diwstrt)<<2 & 0x03fc) | ((diwhigh)>>3 & 0x0003))
|
(((diwhigh)<<5 & 0x0400) | ((diwstrt)<<2 & 0x03fc) | ((diwhigh)>>3 & 0x0003))
|
#define hw2diwstrt_v(diwstrt, diwhigh) \
|
#define hw2diwstrt_v(diwstrt, diwhigh) \
|
(((diwhigh)<<8 & 0x0700) | ((diwstrt)>>8 & 0x00ff))
|
(((diwhigh)<<8 & 0x0700) | ((diwstrt)>>8 & 0x00ff))
|
#define hw2diwstop_h(diwstop, diwhigh) \
|
#define hw2diwstop_h(diwstop, diwhigh) \
|
(((diwhigh)>>3 & 0x0400) | ((diwstop)<<2 & 0x03fc) | \
|
(((diwhigh)>>3 & 0x0400) | ((diwstop)<<2 & 0x03fc) | \
|
((diwhigh)>>11 & 0x0003))
|
((diwhigh)>>11 & 0x0003))
|
#define hw2diwstop_v(diwstop, diwhigh) \
|
#define hw2diwstop_v(diwstop, diwhigh) \
|
(((diwhigh) & 0x0700) | ((diwstop)>>8 & 0x00ff))
|
(((diwhigh) & 0x0700) | ((diwstop)>>8 & 0x00ff))
|
|
|
/* ddfstrt/ddfstop (display DMA) */
|
/* ddfstrt/ddfstop (display DMA) */
|
|
|
#define ddfstrt2hw(ddfstrt) (div8(ddfstrt) & 0x00fe)
|
#define ddfstrt2hw(ddfstrt) (div8(ddfstrt) & 0x00fe)
|
#define ddfstop2hw(ddfstop) (div8(ddfstop) & 0x00fe)
|
#define ddfstop2hw(ddfstop) (div8(ddfstop) & 0x00fe)
|
|
|
#define hw2ddfstrt(ddfstrt) ((ddfstrt)<<3)
|
#define hw2ddfstrt(ddfstrt) ((ddfstrt)<<3)
|
#define hw2ddfstop(ddfstop) ((ddfstop)<<3)
|
#define hw2ddfstop(ddfstop) ((ddfstop)<<3)
|
|
|
/* hsstrt/hsstop/htotal/vsstrt/vsstop/vtotal (sync timings) */
|
/* hsstrt/hsstop/htotal/vsstrt/vsstop/vtotal (sync timings) */
|
|
|
#define hsstrt2hw(hsstrt) (div8(hsstrt))
|
#define hsstrt2hw(hsstrt) (div8(hsstrt))
|
#define hsstop2hw(hsstop) (div8(hsstop))
|
#define hsstop2hw(hsstop) (div8(hsstop))
|
#define htotal2hw(htotal) (div8(htotal)-1)
|
#define htotal2hw(htotal) (div8(htotal)-1)
|
#define vsstrt2hw(vsstrt) (vsstrt)
|
#define vsstrt2hw(vsstrt) (vsstrt)
|
#define vsstop2hw(vsstop) (vsstop)
|
#define vsstop2hw(vsstop) (vsstop)
|
#define vtotal2hw(vtotal) ((vtotal)-1)
|
#define vtotal2hw(vtotal) ((vtotal)-1)
|
|
|
#define hw2hsstrt(hsstrt) ((hsstrt)<<3)
|
#define hw2hsstrt(hsstrt) ((hsstrt)<<3)
|
#define hw2hsstop(hsstop) ((hsstop)<<3)
|
#define hw2hsstop(hsstop) ((hsstop)<<3)
|
#define hw2htotal(htotal) (((htotal)+1)<<3)
|
#define hw2htotal(htotal) (((htotal)+1)<<3)
|
#define hw2vsstrt(vsstrt) (vsstrt)
|
#define hw2vsstrt(vsstrt) (vsstrt)
|
#define hw2vsstop(vsstop) (vsstop)
|
#define hw2vsstop(vsstop) (vsstop)
|
#define hw2vtotal(vtotal) ((vtotal)+1)
|
#define hw2vtotal(vtotal) ((vtotal)+1)
|
|
|
/* hbstrt/hbstop/vbstrt/vbstop (blanking timings) */
|
/* hbstrt/hbstop/vbstrt/vbstop (blanking timings) */
|
|
|
#define hbstrt2hw(hbstrt) (((hbstrt)<<8 & 0x0700) | ((hbstrt)>>3 & 0x00ff))
|
#define hbstrt2hw(hbstrt) (((hbstrt)<<8 & 0x0700) | ((hbstrt)>>3 & 0x00ff))
|
#define hbstop2hw(hbstop) (((hbstop)<<8 & 0x0700) | ((hbstop)>>3 & 0x00ff))
|
#define hbstop2hw(hbstop) (((hbstop)<<8 & 0x0700) | ((hbstop)>>3 & 0x00ff))
|
#define vbstrt2hw(vbstrt) (vbstrt)
|
#define vbstrt2hw(vbstrt) (vbstrt)
|
#define vbstop2hw(vbstop) (vbstop)
|
#define vbstop2hw(vbstop) (vbstop)
|
|
|
#define hw2hbstrt(hbstrt) (((hbstrt)<<3 & 0x07f8) | ((hbstrt)>>8 & 0x0007))
|
#define hw2hbstrt(hbstrt) (((hbstrt)<<3 & 0x07f8) | ((hbstrt)>>8 & 0x0007))
|
#define hw2hbstop(hbstop) (((hbstop)<<3 & 0x07f8) | ((hbstop)>>8 & 0x0007))
|
#define hw2hbstop(hbstop) (((hbstop)<<3 & 0x07f8) | ((hbstop)>>8 & 0x0007))
|
#define hw2vbstrt(vbstrt) (vbstrt)
|
#define hw2vbstrt(vbstrt) (vbstrt)
|
#define hw2vbstop(vbstop) (vbstop)
|
#define hw2vbstop(vbstop) (vbstop)
|
|
|
/* color */
|
/* color */
|
|
|
#define rgb2hw_high(red, green, blue) \
|
#define rgb2hw_high(red, green, blue) \
|
(((red)<<4 & 0xf00) | ((green) & 0x0f0) | ((blue)>>4 & 0x00f))
|
(((red)<<4 & 0xf00) | ((green) & 0x0f0) | ((blue)>>4 & 0x00f))
|
#define rgb2hw_low(red, green, blue) \
|
#define rgb2hw_low(red, green, blue) \
|
(((red)<<8 & 0xf00) | ((green)<<4 & 0x0f0) | ((blue) & 0x00f))
|
(((red)<<8 & 0xf00) | ((green)<<4 & 0x0f0) | ((blue) & 0x00f))
|
|
|
#define hw2red(high, low) (((high)>>4 & 0xf0) | ((low)>>8 & 0x0f))
|
#define hw2red(high, low) (((high)>>4 & 0xf0) | ((low)>>8 & 0x0f))
|
#define hw2green(high, low) (((high) & 0xf0) | ((low)>>4 & 0x0f))
|
#define hw2green(high, low) (((high) & 0xf0) | ((low)>>4 & 0x0f))
|
#define hw2blue(high, low) (((high)<<4 & 0xf0) | ((low) & 0x0f))
|
#define hw2blue(high, low) (((high)<<4 & 0xf0) | ((low) & 0x0f))
|
|
|
/* sprpos/sprctl (sprite positioning) */
|
/* sprpos/sprctl (sprite positioning) */
|
|
|
#define spr2hw_pos(start_v, start_h) \
|
#define spr2hw_pos(start_v, start_h) \
|
(((start_v)<<8&0xff00) | ((start_h)>>3&0x00ff))
|
(((start_v)<<8&0xff00) | ((start_h)>>3&0x00ff))
|
#define spr2hw_ctl(start_v, start_h, stop_v) \
|
#define spr2hw_ctl(start_v, start_h, stop_v) \
|
(((stop_v)<<8&0xff00) | ((start_v)>>3&0x0040) | ((stop_v)>>4&0x0020) | \
|
(((stop_v)<<8&0xff00) | ((start_v)>>3&0x0040) | ((stop_v)>>4&0x0020) | \
|
((start_h)<<3&0x0018) | ((start_v)>>6&0x0004) | ((stop_v)>>7&0x0002) | \
|
((start_h)<<3&0x0018) | ((start_v)>>6&0x0004) | ((stop_v)>>7&0x0002) | \
|
((start_h)>>2&0x0001))
|
((start_h)>>2&0x0001))
|
|
|
|
|
/*
|
/*
|
* Hardware Cursor
|
* Hardware Cursor
|
*/
|
*/
|
|
|
struct aga_cursorsprite {
|
struct aga_cursorsprite {
|
u_short sprpos;
|
u_short sprpos;
|
u_short pad1[3];
|
u_short pad1[3];
|
u_short sprctl;
|
u_short sprctl;
|
u_short pad2[3];
|
u_short pad2[3];
|
union {
|
union {
|
struct {
|
struct {
|
u_long data[64*4];
|
u_long data[64*4];
|
u_long trailer[4];
|
u_long trailer[4];
|
} nonlaced;
|
} nonlaced;
|
struct {
|
struct {
|
u_long data[32*4];
|
u_long data[32*4];
|
u_long trailer[4];
|
u_long trailer[4];
|
} laced;
|
} laced;
|
} u;
|
} u;
|
};
|
};
|
|
|
struct aga_dummysprite {
|
struct aga_dummysprite {
|
u_short sprpos;
|
u_short sprpos;
|
u_short pad1[3];
|
u_short pad1[3];
|
u_short sprctl;
|
u_short sprctl;
|
u_short pad2[3];
|
u_short pad2[3];
|
u_long data[4];
|
u_long data[4];
|
u_long trailer[4];
|
u_long trailer[4];
|
};
|
};
|
|
|
|
|
/*
|
/*
|
* Pixel modes for Bitplanes and Sprites
|
* Pixel modes for Bitplanes and Sprites
|
*/
|
*/
|
|
|
static u_short bplpixmode[3] = {
|
static u_short bplpixmode[3] = {
|
BPC0_SHRES, /* 35 ns / 28 MHz */
|
BPC0_SHRES, /* 35 ns / 28 MHz */
|
BPC0_HIRES, /* 70 ns / 14 MHz */
|
BPC0_HIRES, /* 70 ns / 14 MHz */
|
0 /* 140 ns / 7 MHz */
|
0 /* 140 ns / 7 MHz */
|
};
|
};
|
|
|
static u_short sprpixmode[3] = {
|
static u_short sprpixmode[3] = {
|
BPC3_SPRES1 | BPC3_SPRES0, /* 35 ns / 28 MHz */
|
BPC3_SPRES1 | BPC3_SPRES0, /* 35 ns / 28 MHz */
|
BPC3_SPRES1, /* 70 ns / 14 MHz */
|
BPC3_SPRES1, /* 70 ns / 14 MHz */
|
BPC3_SPRES0 /* 140 ns / 7 MHz */
|
BPC3_SPRES0 /* 140 ns / 7 MHz */
|
};
|
};
|
|
|
|
|
/*
|
/*
|
* Initialization
|
* Initialization
|
*
|
*
|
* Allocate the required chip memory.
|
* Allocate the required chip memory.
|
* Set the default video mode for this chipset. If a video mode was
|
* Set the default video mode for this chipset. If a video mode was
|
* specified on the command line, it will override the default mode.
|
* specified on the command line, it will override the default mode.
|
*/
|
*/
|
|
|
static int aga_init(void)
|
static int aga_init(void)
|
{
|
{
|
u_long p;
|
u_long p;
|
|
|
/*
|
/*
|
* Disable Display DMA
|
* Disable Display DMA
|
*/
|
*/
|
|
|
custom.dmacon = DMAF_ALL | DMAF_MASTER;
|
custom.dmacon = DMAF_ALL | DMAF_MASTER;
|
|
|
/*
|
/*
|
* Set the Default Video Mode
|
* Set the Default Video Mode
|
*/
|
*/
|
|
|
if (!amifb_mode)
|
if (!amifb_mode)
|
amifb_mode = get_video_mode(DEFMODE_AGA);
|
amifb_mode = get_video_mode(DEFMODE_AGA);
|
|
|
/*
|
/*
|
* Allocate Chip RAM Structures
|
* Allocate Chip RAM Structures
|
*/
|
*/
|
|
|
if (boot_info.bi_amiga.chip_size > 1048576)
|
if (boot_info.bi_amiga.chip_size > 1048576)
|
videomemorysize = VIDEOMEMSIZE_AGA_2M;
|
videomemorysize = VIDEOMEMSIZE_AGA_2M;
|
else
|
else
|
videomemorysize = VIDEOMEMSIZE_AGA_1M;
|
videomemorysize = VIDEOMEMSIZE_AGA_1M;
|
|
|
p = chipalloc(videomemorysize+ /* Bitplanes */
|
p = chipalloc(videomemorysize+ /* Bitplanes */
|
sizeof(struct clist_hdr)+ /* Copper Lists */
|
sizeof(struct clist_hdr)+ /* Copper Lists */
|
2*sizeof(struct clist_dyn)+
|
2*sizeof(struct clist_dyn)+
|
2*sizeof(struct aga_cursorsprite)+ /* Sprites */
|
2*sizeof(struct aga_cursorsprite)+ /* Sprites */
|
sizeof(struct aga_dummysprite));
|
sizeof(struct aga_dummysprite));
|
|
|
assignchunk(videomemory, u_long, p, videomemorysize);
|
assignchunk(videomemory, u_long, p, videomemorysize);
|
assignchunk(clist_hdr, struct clist_hdr *, p, sizeof(struct clist_hdr));
|
assignchunk(clist_hdr, struct clist_hdr *, p, sizeof(struct clist_hdr));
|
assignchunk(clist_lof, struct clist_dyn *, p, sizeof(struct clist_dyn));
|
assignchunk(clist_lof, struct clist_dyn *, p, sizeof(struct clist_dyn));
|
assignchunk(clist_shf, struct clist_dyn *, p, sizeof(struct clist_dyn));
|
assignchunk(clist_shf, struct clist_dyn *, p, sizeof(struct clist_dyn));
|
assignchunk(lofsprite, u_long *, p, sizeof(struct aga_cursorsprite));
|
assignchunk(lofsprite, u_long *, p, sizeof(struct aga_cursorsprite));
|
assignchunk(shfsprite, u_long *, p, sizeof(struct aga_cursorsprite));
|
assignchunk(shfsprite, u_long *, p, sizeof(struct aga_cursorsprite));
|
assignchunk(dummysprite, u_long *, p, sizeof(struct aga_dummysprite));
|
assignchunk(dummysprite, u_long *, p, sizeof(struct aga_dummysprite));
|
|
|
/*
|
/*
|
* Make sure the Copper has something to do
|
* Make sure the Copper has something to do
|
*/
|
*/
|
|
|
aga_build_clist_hdr(clist_hdr);
|
aga_build_clist_hdr(clist_hdr);
|
|
|
custom.cop1lc = (u_short *)ZTWO_PADDR(clist_hdr);
|
custom.cop1lc = (u_short *)ZTWO_PADDR(clist_hdr);
|
custom.cop2lc = (u_short *)ZTWO_PADDR(&clist_hdr->wait_forever);
|
custom.cop2lc = (u_short *)ZTWO_PADDR(&clist_hdr->wait_forever);
|
custom.copjmp1 = 0;
|
custom.copjmp1 = 0;
|
|
|
/*
|
/*
|
* Enable Display DMA
|
* Enable Display DMA
|
*/
|
*/
|
|
|
custom.dmacon = DMAF_SETCLR | DMAF_MASTER | DMAF_RASTER | DMAF_COPPER |
|
custom.dmacon = DMAF_SETCLR | DMAF_MASTER | DMAF_RASTER | DMAF_COPPER |
|
DMAF_SPRITE;
|
DMAF_SPRITE;
|
|
|
/*
|
/*
|
* These hardware register values will never be changed later
|
* These hardware register values will never be changed later
|
*/
|
*/
|
|
|
custom.bplcon2 = BPC2_KILLEHB | BPC2_PF2P2 | BPC2_PF1P2;
|
custom.bplcon2 = BPC2_KILLEHB | BPC2_PF2P2 | BPC2_PF1P2;
|
custom.bplcon4 = BPC4_ESPRM4 | BPC4_OSPRM4;
|
custom.bplcon4 = BPC4_ESPRM4 | BPC4_OSPRM4;
|
|
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* This function should fill in the `fix' structure based on the
|
* This function should fill in the `fix' structure based on the
|
* values in the `par' structure.
|
* values in the `par' structure.
|
*/
|
*/
|
|
|
static int aga_encode_fix(struct fb_fix_screeninfo *fix,
|
static int aga_encode_fix(struct fb_fix_screeninfo *fix,
|
struct amiga_fb_par *par)
|
struct amiga_fb_par *par)
|
{
|
{
|
int i;
|
int i;
|
|
|
strcpy(fix->id, amiga_fb_name);
|
strcpy(fix->id, amiga_fb_name);
|
fix->smem_start = videomemory;
|
fix->smem_start = videomemory;
|
fix->smem_len = videomemorysize;
|
fix->smem_len = videomemorysize;
|
|
|
if (amifb_ilbm) {
|
if (amifb_ilbm) {
|
fix->type = FB_TYPE_INTERLEAVED_PLANES;
|
fix->type = FB_TYPE_INTERLEAVED_PLANES;
|
fix->type_aux = par->next_line;
|
fix->type_aux = par->next_line;
|
} else {
|
} else {
|
fix->type = FB_TYPE_PLANES;
|
fix->type = FB_TYPE_PLANES;
|
fix->type_aux = 0;
|
fix->type_aux = 0;
|
}
|
}
|
fix->visual = FB_VISUAL_PSEUDOCOLOR;
|
fix->visual = FB_VISUAL_PSEUDOCOLOR;
|
|
|
if (par->diwstrt_h >= 323)
|
if (par->diwstrt_h >= 323)
|
fix->xpanstep = 1;
|
fix->xpanstep = 1;
|
else
|
else
|
fix->xpanstep = 64;
|
fix->xpanstep = 64;
|
fix->ypanstep = 1;
|
fix->ypanstep = 1;
|
|
|
if (hw2ddfstrt(par->ddfstrt) >= (par->bpp-1)*64)
|
if (hw2ddfstrt(par->ddfstrt) >= (par->bpp-1)*64)
|
fix->ywrapstep = 1;
|
fix->ywrapstep = 1;
|
else
|
else
|
fix->ywrapstep = 0;
|
fix->ywrapstep = 0;
|
|
|
fix->line_length = 0;
|
fix->line_length = 0;
|
for (i = 0; i < arraysize(fix->reserved); i++)
|
for (i = 0; i < arraysize(fix->reserved); i++)
|
fix->reserved[i] = 0;
|
fix->reserved[i] = 0;
|
|
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Get the video params out of `var'. If a value doesn't fit, round
|
* Get the video params out of `var'. If a value doesn't fit, round
|
* it up, if it's too big, return -EINVAL.
|
* it up, if it's too big, return -EINVAL.
|
*/
|
*/
|
|
|
static int aga_decode_var(struct fb_var_screeninfo *var,
|
static int aga_decode_var(struct fb_var_screeninfo *var,
|
struct amiga_fb_par *par)
|
struct amiga_fb_par *par)
|
{
|
{
|
u_short clk_shift, line_shift_incd;
|
u_short clk_shift, line_shift_incd;
|
u_long upper, lower, hslen, vslen;
|
u_long upper, lower, hslen, vslen;
|
int xres_n, yres_n, xoffset_n; /* normalized */
|
int xres_n, yres_n, xoffset_n; /* normalized */
|
u_long left_n, right_n, upper_n, lower_n, hslen_n, vslen_n; /* normalized */
|
u_long left_n, right_n, upper_n, lower_n, hslen_n, vslen_n; /* normalized */
|
u_long diwstrt_h, diwstrt_v, diwstop_h, diwstop_v;
|
u_long diwstrt_h, diwstrt_v, diwstop_h, diwstop_v;
|
u_long hsstrt, vsstrt, hsstop, vsstop, htotal, vtotal;
|
u_long hsstrt, vsstrt, hsstop, vsstop, htotal, vtotal;
|
u_long ddfmin, ddfmax, ddfstrt, ddfstop, hscroll;
|
u_long ddfmin, ddfmax, ddfstrt, ddfstop, hscroll;
|
u_long hrate, vrate;
|
u_long hrate, vrate;
|
u_short loopcnt = 0;
|
u_short loopcnt = 0;
|
|
|
/*
|
/*
|
* Find a matching Pixel Clock
|
* Find a matching Pixel Clock
|
*/
|
*/
|
|
|
for (clk_shift = 0; clk_shift < 3; clk_shift++)
|
for (clk_shift = 0; clk_shift < 3; clk_shift++)
|
if (var->pixclock <= pixclock[clk_shift])
|
if (var->pixclock <= pixclock[clk_shift])
|
break;
|
break;
|
if (clk_shift >= 3)
|
if (clk_shift >= 3)
|
return(-EINVAL);
|
return(-EINVAL);
|
par->clk_shift = clk_shift;
|
par->clk_shift = clk_shift;
|
|
|
/*
|
/*
|
* Round up the Geometry Values (if necessary)
|
* Round up the Geometry Values (if necessary)
|
*/
|
*/
|
|
|
par->xres = max(var->xres, 64);
|
par->xres = max(var->xres, 64);
|
par->yres = max(var->yres, 64);
|
par->yres = max(var->yres, 64);
|
par->vxres = up64(max(var->xres_virtual, par->xres));
|
par->vxres = up64(max(var->xres_virtual, par->xres));
|
par->vyres = max(var->yres_virtual, par->yres);
|
par->vyres = max(var->yres_virtual, par->yres);
|
|
|
par->bpp = var->bits_per_pixel;
|
par->bpp = var->bits_per_pixel;
|
if (par->bpp > 8)
|
if (par->bpp > 8)
|
return(-EINVAL);
|
return(-EINVAL);
|
|
|
if (!var->nonstd) {
|
if (!var->nonstd) {
|
if (par->bpp < 1)
|
if (par->bpp < 1)
|
par->bpp = 1;
|
par->bpp = 1;
|
} else if (var->nonstd == FB_NONSTD_HAM)
|
} else if (var->nonstd == FB_NONSTD_HAM)
|
par->bpp = par->bpp <= 6 ? 6 : 8;
|
par->bpp = par->bpp <= 6 ? 6 : 8;
|
else
|
else
|
return(-EINVAL);
|
return(-EINVAL);
|
|
|
upper = var->upper_margin;
|
upper = var->upper_margin;
|
lower = var->lower_margin;
|
lower = var->lower_margin;
|
hslen = var->hsync_len;
|
hslen = var->hsync_len;
|
vslen = var->vsync_len;
|
vslen = var->vsync_len;
|
|
|
par->vmode = var->vmode;
|
par->vmode = var->vmode;
|
switch (par->vmode & FB_VMODE_MASK) {
|
switch (par->vmode & FB_VMODE_MASK) {
|
case FB_VMODE_NONINTERLACED:
|
case FB_VMODE_NONINTERLACED:
|
line_shift_incd = 1;
|
line_shift_incd = 1;
|
break;
|
break;
|
case FB_VMODE_INTERLACED:
|
case FB_VMODE_INTERLACED:
|
line_shift_incd = 0;
|
line_shift_incd = 0;
|
if (par->yres & 1)
|
if (par->yres & 1)
|
par->yres++; /* even */
|
par->yres++; /* even */
|
if (upper & 1)
|
if (upper & 1)
|
upper++; /* even */
|
upper++; /* even */
|
if (!(lower & 1))
|
if (!(lower & 1))
|
lower++; /* odd */
|
lower++; /* odd */
|
if (vslen & 1)
|
if (vslen & 1)
|
vslen++; /* even */
|
vslen++; /* even */
|
break;
|
break;
|
case FB_VMODE_DOUBLE:
|
case FB_VMODE_DOUBLE:
|
line_shift_incd = 2;
|
line_shift_incd = 2;
|
break;
|
break;
|
default:
|
default:
|
return(-EINVAL);
|
return(-EINVAL);
|
break;
|
break;
|
}
|
}
|
|
|
par->xoffset = var->xoffset;
|
par->xoffset = var->xoffset;
|
par->yoffset = var->yoffset;
|
par->yoffset = var->yoffset;
|
if (par->vmode & FB_VMODE_YWRAP) {
|
if (par->vmode & FB_VMODE_YWRAP) {
|
if (par->xoffset || par->yoffset < 0 || par->yoffset >= par->yres)
|
if (par->xoffset || par->yoffset < 0 || par->yoffset >= par->yres)
|
return(-EINVAL);
|
return(-EINVAL);
|
} else {
|
} else {
|
if (par->xoffset < 0 || par->xoffset+par->xres > par->vxres ||
|
if (par->xoffset < 0 || par->xoffset+par->xres > par->vxres ||
|
par->yoffset < 0 || par->yoffset+par->yres > par->vyres)
|
par->yoffset < 0 || par->yoffset+par->yres > par->vyres)
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
if (var->sync & FB_SYNC_BROADCAST) {
|
if (var->sync & FB_SYNC_BROADCAST) {
|
if (hslen || vslen)
|
if (hslen || vslen)
|
return(-EINVAL);
|
return(-EINVAL);
|
} else {
|
} else {
|
hslen = hslen < 1 ? 1 : hslen;
|
hslen = hslen < 1 ? 1 : hslen;
|
vslen = vslen < 1 ? 1 : vslen;
|
vslen = vslen < 1 ? 1 : vslen;
|
}
|
}
|
|
|
/*
|
/*
|
* Check the Memory Requirements
|
* Check the Memory Requirements
|
*/
|
*/
|
|
|
if (par->vxres*par->vyres*par->bpp > videomemorysize<<3)
|
if (par->vxres*par->vyres*par->bpp > videomemorysize<<3)
|
return(-EINVAL);
|
return(-EINVAL);
|
|
|
/*
|
/*
|
* Normalize all values:
|
* Normalize all values:
|
*
|
*
|
* - horizontal: in 35 ns (SHRES) pixels
|
* - horizontal: in 35 ns (SHRES) pixels
|
* - vertical: in non-interlaced scanlines
|
* - vertical: in non-interlaced scanlines
|
*/
|
*/
|
|
|
xres_n = par->xres<<clk_shift;
|
xres_n = par->xres<<clk_shift;
|
xoffset_n = par->xoffset<<clk_shift;
|
xoffset_n = par->xoffset<<clk_shift;
|
yres_n = par->yres<<line_shift_incd>>1;
|
yres_n = par->yres<<line_shift_incd>>1;
|
|
|
left_n = var->left_margin<<clk_shift;
|
left_n = var->left_margin<<clk_shift;
|
right_n = var->right_margin<<clk_shift;
|
right_n = var->right_margin<<clk_shift;
|
hslen_n = hslen<<clk_shift;
|
hslen_n = hslen<<clk_shift;
|
upper_n = upper<<line_shift_incd>>1;
|
upper_n = upper<<line_shift_incd>>1;
|
lower_n = lower<<line_shift_incd>>1;
|
lower_n = lower<<line_shift_incd>>1;
|
vslen_n = vslen<<line_shift_incd>>1;
|
vslen_n = vslen<<line_shift_incd>>1;
|
|
|
/*
|
/*
|
* Vertical and Horizontal Timings
|
* Vertical and Horizontal Timings
|
*/
|
*/
|
|
|
par->bplcon3 = sprpixmode[clk_shift];
|
par->bplcon3 = sprpixmode[clk_shift];
|
aga_calculate_timings:
|
aga_calculate_timings:
|
if (var->sync & FB_SYNC_BROADCAST) {
|
if (var->sync & FB_SYNC_BROADCAST) {
|
if (upper_n+yres_n+lower_n == PAL_WINDOW_V) {
|
if (upper_n+yres_n+lower_n == PAL_WINDOW_V) {
|
/* PAL video mode */
|
/* PAL video mode */
|
diwstrt_v = PAL_DIWSTRT_V+upper_n;
|
diwstrt_v = PAL_DIWSTRT_V+upper_n;
|
diwstop_v = diwstrt_v+yres_n;
|
diwstop_v = diwstrt_v+yres_n;
|
diwstrt_h = PAL_DIWSTRT_H+left_n;
|
diwstrt_h = PAL_DIWSTRT_H+left_n;
|
diwstop_h = diwstrt_h+xres_n+1;
|
diwstop_h = diwstrt_h+xres_n+1;
|
par->htotal = htotal2hw(PAL_HTOTAL);
|
par->htotal = htotal2hw(PAL_HTOTAL);
|
hrate = 15625;
|
hrate = 15625;
|
vrate = 50;
|
vrate = 50;
|
par->beamcon0 = BMC0_PAL;
|
par->beamcon0 = BMC0_PAL;
|
} else if (upper_n+yres_n+lower_n == NTSC_WINDOW_V) {
|
} else if (upper_n+yres_n+lower_n == NTSC_WINDOW_V) {
|
/* NTSC video mode */
|
/* NTSC video mode */
|
diwstrt_v = NTSC_DIWSTRT_V+upper_n;
|
diwstrt_v = NTSC_DIWSTRT_V+upper_n;
|
diwstop_v = diwstrt_v+yres_n;
|
diwstop_v = diwstrt_v+yres_n;
|
diwstrt_h = NTSC_DIWSTRT_H+left_n;
|
diwstrt_h = NTSC_DIWSTRT_H+left_n;
|
diwstop_h = diwstrt_h+xres_n+1;
|
diwstop_h = diwstrt_h+xres_n+1;
|
par->htotal = htotal2hw(NTSC_HTOTAL);
|
par->htotal = htotal2hw(NTSC_HTOTAL);
|
hrate = 15750;
|
hrate = 15750;
|
vrate = 60;
|
vrate = 60;
|
par->beamcon0 = 0;
|
par->beamcon0 = 0;
|
} else
|
} else
|
return(-EINVAL);
|
return(-EINVAL);
|
} else {
|
} else {
|
/* Programmable video mode */
|
/* Programmable video mode */
|
vsstrt = lower_n;
|
vsstrt = lower_n;
|
vsstop = vsstrt+vslen_n;
|
vsstop = vsstrt+vslen_n;
|
diwstrt_v = vsstop+upper_n;
|
diwstrt_v = vsstop+upper_n;
|
diwstop_v = diwstrt_v+yres_n;
|
diwstop_v = diwstrt_v+yres_n;
|
vtotal = diwstop_v;
|
vtotal = diwstop_v;
|
hslen_n = up8(hslen_n);
|
hslen_n = up8(hslen_n);
|
htotal = up8(left_n+xres_n+right_n+hslen_n);
|
htotal = up8(left_n+xres_n+right_n+hslen_n);
|
if (vtotal > 2048 || htotal > 2048)
|
if (vtotal > 2048 || htotal > 2048)
|
return(-EINVAL);
|
return(-EINVAL);
|
right_n = htotal-left_n-xres_n-hslen_n;
|
right_n = htotal-left_n-xres_n-hslen_n;
|
hsstrt = down8(right_n+4);
|
hsstrt = down8(right_n+4);
|
hsstop = hsstrt+hslen_n;
|
hsstop = hsstrt+hslen_n;
|
diwstop_h = htotal+hsstrt-right_n+1;
|
diwstop_h = htotal+hsstrt-right_n+1;
|
diwstrt_h = diwstop_h-xres_n-1;
|
diwstrt_h = diwstop_h-xres_n-1;
|
hrate = (amiga_masterclock+htotal/2)/htotal;
|
hrate = (amiga_masterclock+htotal/2)/htotal;
|
vrate = (amiga_masterclock+htotal*vtotal/2)/(htotal*vtotal);
|
vrate = (amiga_masterclock+htotal*vtotal/2)/(htotal*vtotal);
|
par->bplcon3 |= BPC3_BRDRBLNK | BPC3_EXTBLKEN;
|
par->bplcon3 |= BPC3_BRDRBLNK | BPC3_EXTBLKEN;
|
par->beamcon0 = BMC0_HARDDIS | BMC0_VARVBEN | BMC0_LOLDIS |
|
par->beamcon0 = BMC0_HARDDIS | BMC0_VARVBEN | BMC0_LOLDIS |
|
BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARBEAMEN |
|
BMC0_VARVSYEN | BMC0_VARHSYEN | BMC0_VARBEAMEN |
|
BMC0_PAL | BMC0_VARCSYEN;
|
BMC0_PAL | BMC0_VARCSYEN;
|
if (var->sync & FB_SYNC_HOR_HIGH_ACT)
|
if (var->sync & FB_SYNC_HOR_HIGH_ACT)
|
par->beamcon0 |= BMC0_HSYTRUE;
|
par->beamcon0 |= BMC0_HSYTRUE;
|
if (var->sync & FB_SYNC_VERT_HIGH_ACT)
|
if (var->sync & FB_SYNC_VERT_HIGH_ACT)
|
par->beamcon0 |= BMC0_VSYTRUE;
|
par->beamcon0 |= BMC0_VSYTRUE;
|
if (var->sync & FB_SYNC_COMP_HIGH_ACT)
|
if (var->sync & FB_SYNC_COMP_HIGH_ACT)
|
par->beamcon0 |= BMC0_CSYTRUE;
|
par->beamcon0 |= BMC0_CSYTRUE;
|
par->htotal = htotal2hw(htotal);
|
par->htotal = htotal2hw(htotal);
|
par->hsstrt = hsstrt2hw(hsstrt);
|
par->hsstrt = hsstrt2hw(hsstrt);
|
par->hsstop = hsstop2hw(hsstop);
|
par->hsstop = hsstop2hw(hsstop);
|
par->vtotal = vtotal2hw(vtotal);
|
par->vtotal = vtotal2hw(vtotal);
|
par->vsstrt = vsstrt2hw(vsstrt);
|
par->vsstrt = vsstrt2hw(vsstrt);
|
par->vsstop = vsstop2hw(vsstop);
|
par->vsstop = vsstop2hw(vsstop);
|
par->hcenter = par->hsstrt+(par->htotal>>1);
|
par->hcenter = par->hsstrt+(par->htotal>>1);
|
}
|
}
|
par->diwstrt_v = diwstrt_v;
|
par->diwstrt_v = diwstrt_v;
|
par->diwstrt_h = diwstrt_h;
|
par->diwstrt_h = diwstrt_h;
|
par->crsr_x = 0;
|
par->crsr_x = 0;
|
par->crsr_y = 0;
|
par->crsr_y = 0;
|
|
|
/*
|
/*
|
* DMA Timings
|
* DMA Timings
|
*/
|
*/
|
|
|
ddfmin = down64(xoffset_n);
|
ddfmin = down64(xoffset_n);
|
ddfmax = up64(xoffset_n+xres_n);
|
ddfmax = up64(xoffset_n+xres_n);
|
hscroll = diwstrt_h-68-mod64(xoffset_n);
|
hscroll = diwstrt_h-68-mod64(xoffset_n);
|
ddfstrt = down64(hscroll);
|
ddfstrt = down64(hscroll);
|
if (ddfstrt < 128) {
|
if (ddfstrt < 128) {
|
right_n += (128-hscroll);
|
right_n += (128-hscroll);
|
/* Prevent an infinite loop */
|
/* Prevent an infinite loop */
|
if (loopcnt++)
|
if (loopcnt++)
|
return(-EINVAL);
|
return(-EINVAL);
|
goto aga_calculate_timings;
|
goto aga_calculate_timings;
|
}
|
}
|
hscroll -= ddfstrt;
|
hscroll -= ddfstrt;
|
ddfstop = ddfstrt+ddfmax-ddfmin-(64<<clk_shift);
|
ddfstop = ddfstrt+ddfmax-ddfmin-(64<<clk_shift);
|
|
|
/*
|
/*
|
* Bitplane calculations
|
* Bitplane calculations
|
*/
|
*/
|
|
|
if (amifb_ilbm) {
|
if (amifb_ilbm) {
|
par->next_plane = div8(par->vxres);
|
par->next_plane = div8(par->vxres);
|
par->next_line = par->bpp*par->next_plane;
|
par->next_line = par->bpp*par->next_plane;
|
} else {
|
} else {
|
par->next_line = div8(par->vxres);
|
par->next_line = div8(par->vxres);
|
par->next_plane = par->vyres*par->next_line;
|
par->next_plane = par->vyres*par->next_line;
|
}
|
}
|
par->bplpt0 = ZTWO_PADDR((u_long)videomemory+div8(ddfmin>>clk_shift)+
|
par->bplpt0 = ZTWO_PADDR((u_long)videomemory+div8(ddfmin>>clk_shift)+
|
par->yoffset*par->next_line);
|
par->yoffset*par->next_line);
|
par->bpl1mod = par->next_line-div8((ddfmax-ddfmin)>>clk_shift);
|
par->bpl1mod = par->next_line-div8((ddfmax-ddfmin)>>clk_shift);
|
par->bpl2mod = par->bpl1mod;
|
par->bpl2mod = par->bpl1mod;
|
|
|
/*
|
/*
|
* Hardware Register Values
|
* Hardware Register Values
|
*/
|
*/
|
|
|
par->bplcon0 = BPC0_COLOR | BPC0_ECSENA | bplpixmode[clk_shift];
|
par->bplcon0 = BPC0_COLOR | BPC0_ECSENA | bplpixmode[clk_shift];
|
if (par->bpp == 8)
|
if (par->bpp == 8)
|
par->bplcon0 |= BPC0_BPU3;
|
par->bplcon0 |= BPC0_BPU3;
|
else
|
else
|
par->bplcon0 |= par->bpp<<12;
|
par->bplcon0 |= par->bpp<<12;
|
if (var->nonstd == FB_NONSTD_HAM)
|
if (var->nonstd == FB_NONSTD_HAM)
|
par->bplcon0 |= BPC0_HAM;
|
par->bplcon0 |= BPC0_HAM;
|
if (var->sync & FB_SYNC_EXT)
|
if (var->sync & FB_SYNC_EXT)
|
par->bplcon0 |= BPC0_ERSY;
|
par->bplcon0 |= BPC0_ERSY;
|
par->bplcon1 = hscroll2hw(hscroll);
|
par->bplcon1 = hscroll2hw(hscroll);
|
par->diwstrt = diwstrt2hw(diwstrt_h, diwstrt_v);
|
par->diwstrt = diwstrt2hw(diwstrt_h, diwstrt_v);
|
par->diwstop = diwstop2hw(diwstop_h, diwstop_v);
|
par->diwstop = diwstop2hw(diwstop_h, diwstop_v);
|
par->diwhigh = diw2hw_high(diwstrt_h, diwstrt_v, distop_h, diwstop_v);
|
par->diwhigh = diw2hw_high(diwstrt_h, diwstrt_v, distop_h, diwstop_v);
|
par->ddfstrt = ddfstrt2hw(ddfstrt);
|
par->ddfstrt = ddfstrt2hw(ddfstrt);
|
par->ddfstop = ddfstop2hw(ddfstop);
|
par->ddfstop = ddfstop2hw(ddfstop);
|
par->fmode = FMODE_SPAGEM | FMODE_SPR32 | FMODE_BPAGEM | FMODE_BPL32;
|
par->fmode = FMODE_SPAGEM | FMODE_SPR32 | FMODE_BPAGEM | FMODE_BPL32;
|
|
|
switch (par->vmode & FB_VMODE_MASK) {
|
switch (par->vmode & FB_VMODE_MASK) {
|
case FB_VMODE_INTERLACED:
|
case FB_VMODE_INTERLACED:
|
par->bpl1mod += par->next_line;
|
par->bpl1mod += par->next_line;
|
par->bpl2mod += par->next_line;
|
par->bpl2mod += par->next_line;
|
par->bplcon0 |= BPC0_LACE;
|
par->bplcon0 |= BPC0_LACE;
|
break;
|
break;
|
case FB_VMODE_DOUBLE:
|
case FB_VMODE_DOUBLE:
|
par->bpl1mod -= par->next_line;
|
par->bpl1mod -= par->next_line;
|
par->fmode |= FMODE_SSCAN2 | FMODE_BSCAN2;
|
par->fmode |= FMODE_SSCAN2 | FMODE_BSCAN2;
|
break;
|
break;
|
}
|
}
|
|
|
if (hrate < hfmin || hrate > hfmax || vrate < vfmin || vrate > vfmax)
|
if (hrate < hfmin || hrate > hfmax || vrate < vfmin || vrate > vfmax)
|
return(-EINVAL);
|
return(-EINVAL);
|
|
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Fill the `var' structure based on the values in `par' and maybe
|
* Fill the `var' structure based on the values in `par' and maybe
|
* other values read out of the hardware.
|
* other values read out of the hardware.
|
*/
|
*/
|
|
|
static int aga_encode_var(struct fb_var_screeninfo *var,
|
static int aga_encode_var(struct fb_var_screeninfo *var,
|
struct amiga_fb_par *par)
|
struct amiga_fb_par *par)
|
{
|
{
|
u_short clk_shift, line_shift_incd;
|
u_short clk_shift, line_shift_incd;
|
u_long left, right, upper, lower, hslen, vslen;
|
u_long left, right, upper, lower, hslen, vslen;
|
u_short diwstop_h, diwstop_v;
|
u_short diwstop_h, diwstop_v;
|
u_short hsstrt, vsstrt, hsstop, vsstop, htotal;
|
u_short hsstrt, vsstrt, hsstop, vsstop, htotal;
|
int i;
|
int i;
|
|
|
var->xres = par->xres;
|
var->xres = par->xres;
|
var->yres = par->yres;
|
var->yres = par->yres;
|
var->xres_virtual = par->vxres;
|
var->xres_virtual = par->vxres;
|
var->yres_virtual = par->vyres;
|
var->yres_virtual = par->vyres;
|
var->xoffset = par->xoffset;
|
var->xoffset = par->xoffset;
|
var->yoffset = par->yoffset;
|
var->yoffset = par->yoffset;
|
|
|
var->bits_per_pixel = par->bpp;
|
var->bits_per_pixel = par->bpp;
|
var->grayscale = 0;
|
var->grayscale = 0;
|
|
|
var->red.offset = 0;
|
var->red.offset = 0;
|
var->red.length = 8;
|
var->red.length = 8;
|
var->red.msb_right = 0;
|
var->red.msb_right = 0;
|
var->blue = var->green = var->red;
|
var->blue = var->green = var->red;
|
var->transp.offset = 0;
|
var->transp.offset = 0;
|
var->transp.length = 0;
|
var->transp.length = 0;
|
var->transp.msb_right = 0;
|
var->transp.msb_right = 0;
|
|
|
if (par->bplcon0 & BPC0_HAM)
|
if (par->bplcon0 & BPC0_HAM)
|
var->nonstd = FB_NONSTD_HAM;
|
var->nonstd = FB_NONSTD_HAM;
|
else
|
else
|
var->nonstd = 0;
|
var->nonstd = 0;
|
var->activate = 0;
|
var->activate = 0;
|
|
|
var->height = -1;
|
var->height = -1;
|
var->width = -1;
|
var->width = -1;
|
var->accel = FB_ACCEL_NONE;
|
var->accel = FB_ACCEL_NONE;
|
|
|
clk_shift = par->clk_shift;
|
clk_shift = par->clk_shift;
|
var->pixclock = pixclock[clk_shift];
|
var->pixclock = pixclock[clk_shift];
|
|
|
diwstop_h = hw2diwstop_h(par->diwstop, par->diwhigh);
|
diwstop_h = hw2diwstop_h(par->diwstop, par->diwhigh);
|
if (par->beamcon0 & BMC0_VARBEAMEN) {
|
if (par->beamcon0 & BMC0_VARBEAMEN) {
|
hsstrt = hw2hsstrt(par->hsstrt);
|
hsstrt = hw2hsstrt(par->hsstrt);
|
vsstrt = hw2vsstrt(par->vsstrt);
|
vsstrt = hw2vsstrt(par->vsstrt);
|
hsstop = hw2hsstop(par->hsstop);
|
hsstop = hw2hsstop(par->hsstop);
|
vsstop = hw2vsstop(par->vsstop);
|
vsstop = hw2vsstop(par->vsstop);
|
htotal = hw2htotal(par->htotal);
|
htotal = hw2htotal(par->htotal);
|
left = par->diwstrt_h-hsstop;
|
left = par->diwstrt_h-hsstop;
|
right = htotal+hsstrt-diwstop_h+1;
|
right = htotal+hsstrt-diwstop_h+1;
|
hslen = hsstop-hsstrt;
|
hslen = hsstop-hsstrt;
|
upper = par->diwstrt_v-vsstop;
|
upper = par->diwstrt_v-vsstop;
|
lower = vsstrt;
|
lower = vsstrt;
|
vslen = vsstop-vsstrt;
|
vslen = vsstop-vsstrt;
|
var->sync = 0;
|
var->sync = 0;
|
} else {
|
} else {
|
diwstop_v = hw2diwstop_v(par->diwstop, par->diwhigh);
|
diwstop_v = hw2diwstop_v(par->diwstop, par->diwhigh);
|
if (par->beamcon0 & BMC0_PAL) {
|
if (par->beamcon0 & BMC0_PAL) {
|
left = par->diwstrt_h-PAL_DIWSTRT_H;
|
left = par->diwstrt_h-PAL_DIWSTRT_H;
|
right = PAL_DIWSTRT_H+PAL_WINDOW_H-diwstop_h+1;
|
right = PAL_DIWSTRT_H+PAL_WINDOW_H-diwstop_h+1;
|
upper = par->diwstrt_v-PAL_DIWSTRT_V;
|
upper = par->diwstrt_v-PAL_DIWSTRT_V;
|
lower = PAL_DIWSTRT_V+PAL_WINDOW_V-diwstop_v;
|
lower = PAL_DIWSTRT_V+PAL_WINDOW_V-diwstop_v;
|
} else {
|
} else {
|
left = par->diwstrt_h-NTSC_DIWSTRT_H;
|
left = par->diwstrt_h-NTSC_DIWSTRT_H;
|
right = NTSC_DIWSTRT_H+NTSC_WINDOW_H-diwstop_h;
|
right = NTSC_DIWSTRT_H+NTSC_WINDOW_H-diwstop_h;
|
upper = par->diwstrt_v-NTSC_DIWSTRT_V;
|
upper = par->diwstrt_v-NTSC_DIWSTRT_V;
|
lower = NTSC_DIWSTRT_V+NTSC_WINDOW_V-diwstop_v;
|
lower = NTSC_DIWSTRT_V+NTSC_WINDOW_V-diwstop_v;
|
}
|
}
|
hslen = 0;
|
hslen = 0;
|
vslen = 0;
|
vslen = 0;
|
var->sync = FB_SYNC_BROADCAST;
|
var->sync = FB_SYNC_BROADCAST;
|
}
|
}
|
|
|
if (par->bplcon0 & BPC0_ERSY)
|
if (par->bplcon0 & BPC0_ERSY)
|
var->sync |= FB_SYNC_EXT;
|
var->sync |= FB_SYNC_EXT;
|
if (par->beamcon0 & BMC0_HSYTRUE)
|
if (par->beamcon0 & BMC0_HSYTRUE)
|
var->sync |= FB_SYNC_HOR_HIGH_ACT;
|
var->sync |= FB_SYNC_HOR_HIGH_ACT;
|
if (par->beamcon0 & BMC0_VSYTRUE)
|
if (par->beamcon0 & BMC0_VSYTRUE)
|
var->sync |= FB_SYNC_VERT_HIGH_ACT;
|
var->sync |= FB_SYNC_VERT_HIGH_ACT;
|
if (par->beamcon0 & BMC0_CSYTRUE)
|
if (par->beamcon0 & BMC0_CSYTRUE)
|
var->sync |= FB_SYNC_COMP_HIGH_ACT;
|
var->sync |= FB_SYNC_COMP_HIGH_ACT;
|
|
|
switch (par->vmode & FB_VMODE_MASK) {
|
switch (par->vmode & FB_VMODE_MASK) {
|
case FB_VMODE_NONINTERLACED:
|
case FB_VMODE_NONINTERLACED:
|
line_shift_incd = 1;
|
line_shift_incd = 1;
|
break;
|
break;
|
case FB_VMODE_INTERLACED:
|
case FB_VMODE_INTERLACED:
|
line_shift_incd = 0;
|
line_shift_incd = 0;
|
break;
|
break;
|
case FB_VMODE_DOUBLE:
|
case FB_VMODE_DOUBLE:
|
line_shift_incd = 2;
|
line_shift_incd = 2;
|
break;
|
break;
|
}
|
}
|
|
|
var->left_margin = left>>clk_shift;
|
var->left_margin = left>>clk_shift;
|
var->right_margin = right>>clk_shift;
|
var->right_margin = right>>clk_shift;
|
var->upper_margin = upper<<1>>line_shift_incd;
|
var->upper_margin = upper<<1>>line_shift_incd;
|
var->lower_margin = lower<<1>>line_shift_incd;
|
var->lower_margin = lower<<1>>line_shift_incd;
|
var->hsync_len = hslen>>clk_shift;
|
var->hsync_len = hslen>>clk_shift;
|
var->vsync_len = vslen<<1>>line_shift_incd;
|
var->vsync_len = vslen<<1>>line_shift_incd;
|
var->vmode = par->vmode;
|
var->vmode = par->vmode;
|
for (i = 0; i < arraysize(var->reserved); i++)
|
for (i = 0; i < arraysize(var->reserved); i++)
|
var->reserved[i] = 0;
|
var->reserved[i] = 0;
|
|
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Read a single color register and split it into
|
* Read a single color register and split it into
|
* colors/transparent. Return != 0 for invalid regno.
|
* colors/transparent. Return != 0 for invalid regno.
|
*/
|
*/
|
|
|
static int aga_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue,
|
static int aga_getcolreg(u_int regno, u_int *red, u_int *green, u_int *blue,
|
u_int *transp)
|
u_int *transp)
|
{
|
{
|
if (regno > 255)
|
if (regno > 255)
|
return(1);
|
return(1);
|
|
|
*red = palette[regno].red;
|
*red = palette[regno].red;
|
*green = palette[regno].green;
|
*green = palette[regno].green;
|
*blue = palette[regno].blue;
|
*blue = palette[regno].blue;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Set a single color register. The values supplied are already
|
* Set a single color register. The values supplied are already
|
* rounded down to the hardware's capabilities (according to the
|
* rounded down to the hardware's capabilities (according to the
|
* entries in the var structure). Return != 0 for invalid regno.
|
* entries in the var structure). Return != 0 for invalid regno.
|
*/
|
*/
|
|
|
static int aga_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
|
static int aga_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
|
u_int transp)
|
u_int transp)
|
{
|
{
|
u_short bplcon3 = current_par.bplcon3;
|
u_short bplcon3 = current_par.bplcon3;
|
|
|
if (regno > 255)
|
if (regno > 255)
|
return(1);
|
return(1);
|
|
|
/*
|
/*
|
* Update the corresponding Hardware Color Register, unless it's Color
|
* Update the corresponding Hardware Color Register, unless it's Color
|
* Register 0 and the screen is blanked.
|
* Register 0 and the screen is blanked.
|
*
|
*
|
* The cli()/sti() pair is here to protect bplcon3 from being changed by
|
* The cli()/sti() pair is here to protect bplcon3 from being changed by
|
* the VBlank interrupt routine.
|
* the VBlank interrupt routine.
|
*/
|
*/
|
|
|
cli();
|
cli();
|
if (regno || !is_blanked) {
|
if (regno || !is_blanked) {
|
custom.bplcon3 = bplcon3 | (regno<<8 & 0xe000);
|
custom.bplcon3 = bplcon3 | (regno<<8 & 0xe000);
|
custom.color[regno&31] = rgb2hw_high(red, green, blue);
|
custom.color[regno&31] = rgb2hw_high(red, green, blue);
|
custom.bplcon3 = bplcon3 | (regno<<8 & 0xe000) | BPC3_LOCT;
|
custom.bplcon3 = bplcon3 | (regno<<8 & 0xe000) | BPC3_LOCT;
|
custom.color[regno&31] = rgb2hw_low(red, green, blue);
|
custom.color[regno&31] = rgb2hw_low(red, green, blue);
|
custom.bplcon3 = bplcon3;
|
custom.bplcon3 = bplcon3;
|
}
|
}
|
sti();
|
sti();
|
|
|
palette[regno].red = red;
|
palette[regno].red = red;
|
palette[regno].green = green;
|
palette[regno].green = green;
|
palette[regno].blue = blue;
|
palette[regno].blue = blue;
|
|
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Pan or Wrap the Display
|
* Pan or Wrap the Display
|
*
|
*
|
* This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag
|
* This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag
|
* in `var'.
|
* in `var'.
|
*/
|
*/
|
|
|
static int aga_pan_display(struct fb_var_screeninfo *var,
|
static int aga_pan_display(struct fb_var_screeninfo *var,
|
struct amiga_fb_par *par)
|
struct amiga_fb_par *par)
|
{
|
{
|
int xoffset, yoffset, vmode, xres_n, xoffset_n;
|
int xoffset, yoffset, vmode, xres_n, xoffset_n;
|
u_short clk_shift, line_shift_incd;
|
u_short clk_shift, line_shift_incd;
|
u_long ddfmin, ddfmax, ddfstrt, ddfstop, hscroll;
|
u_long ddfmin, ddfmax, ddfstrt, ddfstop, hscroll;
|
|
|
xoffset = var->xoffset;
|
xoffset = var->xoffset;
|
yoffset = var->yoffset;
|
yoffset = var->yoffset;
|
if (var->vmode & FB_VMODE_YWRAP) {
|
if (var->vmode & FB_VMODE_YWRAP) {
|
if (hw2ddfstrt(par->ddfstrt) < (par->bpp-1)*64 || xoffset ||
|
if (hw2ddfstrt(par->ddfstrt) < (par->bpp-1)*64 || xoffset ||
|
yoffset < 0 || yoffset >= par->yres)
|
yoffset < 0 || yoffset >= par->yres)
|
return(-EINVAL);
|
return(-EINVAL);
|
vmode = par->vmode | FB_VMODE_YWRAP;
|
vmode = par->vmode | FB_VMODE_YWRAP;
|
} else {
|
} else {
|
if (par->diwstrt_h < 323)
|
if (par->diwstrt_h < 323)
|
xoffset = up64(xoffset);
|
xoffset = up64(xoffset);
|
if (xoffset < 0 || xoffset+par->xres > par->vxres ||
|
if (xoffset < 0 || xoffset+par->xres > par->vxres ||
|
yoffset < 0 || yoffset+par->yres > par->vyres)
|
yoffset < 0 || yoffset+par->yres > par->vyres)
|
return(-EINVAL);
|
return(-EINVAL);
|
vmode = par->vmode & ~FB_VMODE_YWRAP;
|
vmode = par->vmode & ~FB_VMODE_YWRAP;
|
}
|
}
|
|
|
clk_shift = par->clk_shift;
|
clk_shift = par->clk_shift;
|
switch (vmode & FB_VMODE_MASK) {
|
switch (vmode & FB_VMODE_MASK) {
|
case FB_VMODE_NONINTERLACED:
|
case FB_VMODE_NONINTERLACED:
|
line_shift_incd = 1;
|
line_shift_incd = 1;
|
break;
|
break;
|
case FB_VMODE_INTERLACED:
|
case FB_VMODE_INTERLACED:
|
line_shift_incd = 0;
|
line_shift_incd = 0;
|
break;
|
break;
|
case FB_VMODE_DOUBLE:
|
case FB_VMODE_DOUBLE:
|
line_shift_incd = 2;
|
line_shift_incd = 2;
|
break;
|
break;
|
}
|
}
|
xres_n = par->xres<<clk_shift;
|
xres_n = par->xres<<clk_shift;
|
xoffset_n = xoffset<<clk_shift;
|
xoffset_n = xoffset<<clk_shift;
|
|
|
/*
|
/*
|
* DMA timings
|
* DMA timings
|
*/
|
*/
|
|
|
ddfmin = down64(xoffset_n);
|
ddfmin = down64(xoffset_n);
|
ddfmax = up64(xoffset_n+xres_n);
|
ddfmax = up64(xoffset_n+xres_n);
|
hscroll = par->diwstrt_h-68-mod64(xoffset_n);
|
hscroll = par->diwstrt_h-68-mod64(xoffset_n);
|
ddfstrt = down64(hscroll);
|
ddfstrt = down64(hscroll);
|
if (ddfstrt < 128)
|
if (ddfstrt < 128)
|
return(-EINVAL);
|
return(-EINVAL);
|
hscroll -= ddfstrt;
|
hscroll -= ddfstrt;
|
ddfstop = ddfstrt+ddfmax-ddfmin-(64<<clk_shift);
|
ddfstop = ddfstrt+ddfmax-ddfmin-(64<<clk_shift);
|
par->bplcon1 = hscroll2hw(hscroll);
|
par->bplcon1 = hscroll2hw(hscroll);
|
par->ddfstrt = ddfstrt2hw(ddfstrt);
|
par->ddfstrt = ddfstrt2hw(ddfstrt);
|
par->ddfstop = ddfstop2hw(ddfstop);
|
par->ddfstop = ddfstop2hw(ddfstop);
|
|
|
/*
|
/*
|
* Bitplane calculations
|
* Bitplane calculations
|
*/
|
*/
|
|
|
par->bplpt0 = ZTWO_PADDR((u_long)videomemory+div8(ddfmin>>clk_shift)+
|
par->bplpt0 = ZTWO_PADDR((u_long)videomemory+div8(ddfmin>>clk_shift)+
|
yoffset*par->next_line);
|
yoffset*par->next_line);
|
par->bpl1mod = par->next_line-div8((ddfmax-ddfmin)>>clk_shift);
|
par->bpl1mod = par->next_line-div8((ddfmax-ddfmin)>>clk_shift);
|
par->bpl2mod = par->bpl1mod;
|
par->bpl2mod = par->bpl1mod;
|
switch (vmode & FB_VMODE_MASK) {
|
switch (vmode & FB_VMODE_MASK) {
|
case FB_VMODE_INTERLACED:
|
case FB_VMODE_INTERLACED:
|
par->bpl1mod += par->next_line;
|
par->bpl1mod += par->next_line;
|
par->bpl2mod += par->next_line;
|
par->bpl2mod += par->next_line;
|
break;
|
break;
|
case FB_VMODE_DOUBLE:
|
case FB_VMODE_DOUBLE:
|
par->bpl1mod -= par->next_line;
|
par->bpl1mod -= par->next_line;
|
break;
|
break;
|
}
|
}
|
|
|
par->xoffset = var->xoffset = xoffset;
|
par->xoffset = var->xoffset = xoffset;
|
par->yoffset = var->yoffset = yoffset;
|
par->yoffset = var->yoffset = yoffset;
|
par->vmode = var->vmode = vmode;
|
par->vmode = var->vmode = vmode;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Change the video mode (called by VBlank interrupt)
|
* Change the video mode (called by VBlank interrupt)
|
*/
|
*/
|
|
|
void aga_do_vmode(void)
|
void aga_do_vmode(void)
|
{
|
{
|
struct amiga_fb_par *par = ¤t_par;
|
struct amiga_fb_par *par = ¤t_par;
|
|
|
/*
|
/*
|
* Rebuild the dynamic part of the Copper List and activate the right
|
* Rebuild the dynamic part of the Copper List and activate the right
|
* Copper List as soon as possible
|
* Copper List as soon as possible
|
*
|
*
|
* Make sure we're in a Long Frame if the video mode is interlaced.
|
* Make sure we're in a Long Frame if the video mode is interlaced.
|
* This is always the case if we already were in an interlaced mode,
|
* This is always the case if we already were in an interlaced mode,
|
* since then the VBlank only calls us during a Long Frame.
|
* since then the VBlank only calls us during a Long Frame.
|
* But this _is_ necessary if we're switching from a non-interlaced
|
* But this _is_ necessary if we're switching from a non-interlaced
|
* to an interlaced mode.
|
* to an interlaced mode.
|
*/
|
*/
|
|
|
if ((par->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
|
if ((par->vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED) {
|
custom.vposw = 0x8000;
|
custom.vposw = 0x8000;
|
aga_build_clist_dyn(clist_lof, clist_shf, 0, par);
|
aga_build_clist_dyn(clist_lof, clist_shf, 0, par);
|
custom.cop2lc = (u_short *)ZTWO_PADDR(clist_lof);
|
custom.cop2lc = (u_short *)ZTWO_PADDR(clist_lof);
|
aga_build_clist_dyn(clist_shf, clist_lof, 1, par);
|
aga_build_clist_dyn(clist_shf, clist_lof, 1, par);
|
} else {
|
} else {
|
aga_build_clist_dyn(clist_lof, NULL, 0, par);
|
aga_build_clist_dyn(clist_lof, NULL, 0, par);
|
custom.cop2lc = (u_short *)ZTWO_PADDR(clist_lof);
|
custom.cop2lc = (u_short *)ZTWO_PADDR(clist_lof);
|
}
|
}
|
|
|
/*
|
/*
|
* Update the hardware registers
|
* Update the hardware registers
|
*/
|
*/
|
|
|
if (full_vmode_change) {
|
if (full_vmode_change) {
|
custom.fmode = par->fmode;
|
custom.fmode = par->fmode;
|
custom.beamcon0 = par->beamcon0;
|
custom.beamcon0 = par->beamcon0;
|
if (par->beamcon0 & BMC0_VARBEAMEN) {
|
if (par->beamcon0 & BMC0_VARBEAMEN) {
|
custom.htotal = par->htotal;
|
custom.htotal = par->htotal;
|
custom.vtotal = par->vtotal;
|
custom.vtotal = par->vtotal;
|
custom.hsstrt = par->hsstrt;
|
custom.hsstrt = par->hsstrt;
|
custom.hsstop = par->hsstop;
|
custom.hsstop = par->hsstop;
|
custom.hbstrt = par->hsstrt;
|
custom.hbstrt = par->hsstrt;
|
custom.hbstop = par->hsstop;
|
custom.hbstop = par->hsstop;
|
custom.vsstrt = par->vsstrt;
|
custom.vsstrt = par->vsstrt;
|
custom.vsstop = par->vsstop;
|
custom.vsstop = par->vsstop;
|
custom.vbstrt = par->vsstrt;
|
custom.vbstrt = par->vsstrt;
|
custom.vbstop = par->vsstop;
|
custom.vbstop = par->vsstop;
|
custom.hcenter = par->hcenter;
|
custom.hcenter = par->hcenter;
|
}
|
}
|
custom.bplcon3 = par->bplcon3;
|
custom.bplcon3 = par->bplcon3;
|
full_vmode_change = 0;
|
full_vmode_change = 0;
|
|
|
/*
|
/*
|
* The minimum period for audio depends on htotal (for OCS/ECS/AGA)
|
* The minimum period for audio depends on htotal (for OCS/ECS/AGA)
|
*/
|
*/
|
|
|
if (boot_info.bi_amiga.chipset != CS_STONEAGE)
|
if (boot_info.bi_amiga.chipset != CS_STONEAGE)
|
amiga_audio_min_period = (par->htotal>>1)+1;
|
amiga_audio_min_period = (par->htotal>>1)+1;
|
}
|
}
|
custom.ddfstrt = par->ddfstrt;
|
custom.ddfstrt = par->ddfstrt;
|
custom.ddfstop = par->ddfstop;
|
custom.ddfstop = par->ddfstop;
|
custom.bpl1mod = par->bpl1mod;
|
custom.bpl1mod = par->bpl1mod;
|
custom.bpl2mod = par->bpl2mod;
|
custom.bpl2mod = par->bpl2mod;
|
custom.bplcon1 = par->bplcon1;
|
custom.bplcon1 = par->bplcon1;
|
|
|
/*
|
/*
|
* Update the Frame Header Copper List
|
* Update the Frame Header Copper List
|
*/
|
*/
|
|
|
aga_update_clist_hdr(clist_hdr, par);
|
aga_update_clist_hdr(clist_hdr, par);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* (Un)Blank the screen (called by VBlank interrupt)
|
* (Un)Blank the screen (called by VBlank interrupt)
|
*/
|
*/
|
|
|
void aga_do_blank(int blank)
|
void aga_do_blank(int blank)
|
{
|
{
|
struct amiga_fb_par *par = ¤t_par;
|
struct amiga_fb_par *par = ¤t_par;
|
u_short bplcon3 = par->bplcon3;
|
u_short bplcon3 = par->bplcon3;
|
u_char red, green, blue;
|
u_char red, green, blue;
|
|
|
if (blank) {
|
if (blank) {
|
custom.dmacon = DMAF_RASTER | DMAF_SPRITE;
|
custom.dmacon = DMAF_RASTER | DMAF_SPRITE;
|
red = green = blue = 0;
|
red = green = blue = 0;
|
if (pwrsave && par->beamcon0 & BMC0_VARBEAMEN) {
|
if (pwrsave && par->beamcon0 & BMC0_VARBEAMEN) {
|
/* VESA suspend mode, switch off HSYNC */
|
/* VESA suspend mode, switch off HSYNC */
|
custom.hsstrt = par->htotal+2;
|
custom.hsstrt = par->htotal+2;
|
custom.hsstop = par->htotal+2;
|
custom.hsstop = par->htotal+2;
|
}
|
}
|
} else {
|
} else {
|
custom.dmacon = DMAF_SETCLR | DMAF_RASTER;
|
custom.dmacon = DMAF_SETCLR | DMAF_RASTER;
|
red = palette[0].red;
|
red = palette[0].red;
|
green = palette[0].green;
|
green = palette[0].green;
|
blue = palette[0].blue;
|
blue = palette[0].blue;
|
if (pwrsave && par->beamcon0 & BMC0_VARBEAMEN) {
|
if (pwrsave && par->beamcon0 & BMC0_VARBEAMEN) {
|
custom.hsstrt = par->hsstrt;
|
custom.hsstrt = par->hsstrt;
|
custom.hsstop = par->hsstop;
|
custom.hsstop = par->hsstop;
|
}
|
}
|
}
|
}
|
custom.bplcon3 = bplcon3;
|
custom.bplcon3 = bplcon3;
|
custom.color[0] = rgb2hw_high(red, green, blue);
|
custom.color[0] = rgb2hw_high(red, green, blue);
|
custom.bplcon3 = bplcon3 | BPC3_LOCT;
|
custom.bplcon3 = bplcon3 | BPC3_LOCT;
|
custom.color[0] = rgb2hw_low(red, green, blue);
|
custom.color[0] = rgb2hw_low(red, green, blue);
|
custom.bplcon3 = bplcon3;
|
custom.bplcon3 = bplcon3;
|
|
|
is_blanked = blank;
|
is_blanked = blank;
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Move the cursor (called by VBlank interrupt)
|
* Move the cursor (called by VBlank interrupt)
|
*/
|
*/
|
|
|
void aga_do_movecursor(void)
|
void aga_do_movecursor(void)
|
{
|
{
|
struct amiga_fb_par *par = ¤t_par;
|
struct amiga_fb_par *par = ¤t_par;
|
struct aga_cursorsprite *sprite = (struct aga_cursorsprite *)lofsprite;
|
struct aga_cursorsprite *sprite = (struct aga_cursorsprite *)lofsprite;
|
long hs, vs, ve;
|
long hs, vs, ve;
|
u_short s1, s2, is_double = 0;
|
u_short s1, s2, is_double = 0;
|
|
|
if (par->crsr_x <= -64 || par->crsr_x >= par->xres || par->crsr_y <= -64 ||
|
if (par->crsr_x <= -64 || par->crsr_x >= par->xres || par->crsr_y <= -64 ||
|
par->crsr_y >= par->yres)
|
par->crsr_y >= par->yres)
|
hs = vs = ve = 0;
|
hs = vs = ve = 0;
|
else {
|
else {
|
hs = par->diwstrt_h-4+(par->crsr_x<<par->clk_shift);
|
hs = par->diwstrt_h-4+(par->crsr_x<<par->clk_shift);
|
vs = par->crsr_y;
|
vs = par->crsr_y;
|
ve = min(vs+64, par->yres);
|
ve = min(vs+64, par->yres);
|
switch (par->vmode & FB_VMODE_MASK) {
|
switch (par->vmode & FB_VMODE_MASK) {
|
case FB_VMODE_INTERLACED:
|
case FB_VMODE_INTERLACED:
|
vs >>= 1;
|
vs >>= 1;
|
ve >>= 1;
|
ve >>= 1;
|
break;
|
break;
|
case FB_VMODE_DOUBLE:
|
case FB_VMODE_DOUBLE:
|
vs <<= 1;
|
vs <<= 1;
|
ve <<= 1;
|
ve <<= 1;
|
is_double = 1;
|
is_double = 1;
|
break;
|
break;
|
}
|
}
|
vs += par->diwstrt_v;
|
vs += par->diwstrt_v;
|
ve += par->diwstrt_v;
|
ve += par->diwstrt_v;
|
}
|
}
|
s1 = spr2hw_pos(vs, hs);
|
s1 = spr2hw_pos(vs, hs);
|
if (is_double)
|
if (is_double)
|
s1 |= 0x80;
|
s1 |= 0x80;
|
s2 = spr2hw_ctl(vs, hs, ve);
|
s2 = spr2hw_ctl(vs, hs, ve);
|
sprite->sprpos = s1;
|
sprite->sprpos = s1;
|
sprite->sprctl = s2;
|
sprite->sprctl = s2;
|
|
|
/*
|
/*
|
* TODO: Special cases:
|
* TODO: Special cases:
|
*
|
*
|
* - Interlaced: fill position in in both lofsprite & shfsprite
|
* - Interlaced: fill position in in both lofsprite & shfsprite
|
* swap lofsprite & shfsprite on odd lines
|
* swap lofsprite & shfsprite on odd lines
|
*
|
*
|
* - Doublescan: OK?
|
* - Doublescan: OK?
|
*
|
*
|
* - ve <= bottom of display: OK?
|
* - ve <= bottom of display: OK?
|
*/
|
*/
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Flash the cursor (called by VBlank interrupt)
|
* Flash the cursor (called by VBlank interrupt)
|
*/
|
*/
|
|
|
void aga_do_flashcursor(void)
|
void aga_do_flashcursor(void)
|
{
|
{
|
#if 1
|
#if 1
|
static int cursorcount = 0;
|
static int cursorcount = 0;
|
static int cursorstate = 0;
|
static int cursorstate = 0;
|
|
|
switch (cursormode) {
|
switch (cursormode) {
|
case FB_CURSOR_OFF:
|
case FB_CURSOR_OFF:
|
custom.dmacon = DMAF_SPRITE;
|
custom.dmacon = DMAF_SPRITE;
|
break;
|
break;
|
case FB_CURSOR_ON:
|
case FB_CURSOR_ON:
|
custom.dmacon = DMAF_SETCLR | DMAF_SPRITE;
|
custom.dmacon = DMAF_SETCLR | DMAF_SPRITE;
|
break;
|
break;
|
case FB_CURSOR_FLASH:
|
case FB_CURSOR_FLASH:
|
if (cursorcount)
|
if (cursorcount)
|
cursorcount--;
|
cursorcount--;
|
else {
|
else {
|
cursorcount = CRSR_RATE;
|
cursorcount = CRSR_RATE;
|
if ((cursorstate = !cursorstate))
|
if ((cursorstate = !cursorstate))
|
custom.dmacon = DMAF_SETCLR | DMAF_SPRITE;
|
custom.dmacon = DMAF_SETCLR | DMAF_SPRITE;
|
else
|
else
|
custom.dmacon = DMAF_SPRITE;
|
custom.dmacon = DMAF_SPRITE;
|
}
|
}
|
break;
|
break;
|
}
|
}
|
#endif
|
#endif
|
}
|
}
|
|
|
|
|
#if 1
|
#if 1
|
static int aga_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix, int con)
|
static int aga_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix, int con)
|
{
|
{
|
#if 0
|
#if 0
|
if (ddfstrt >= 192) {
|
if (ddfstrt >= 192) {
|
#endif
|
#endif
|
fix->crsr_width = 64;
|
fix->crsr_width = 64;
|
fix->crsr_height = 64;
|
fix->crsr_height = 64;
|
fix->crsr_xsize = 64;
|
fix->crsr_xsize = 64;
|
fix->crsr_ysize = 64;
|
fix->crsr_ysize = 64;
|
fix->crsr_color1 = 17;
|
fix->crsr_color1 = 17;
|
fix->crsr_color2 = 18;
|
fix->crsr_color2 = 18;
|
#if 0
|
#if 0
|
} else {
|
} else {
|
fix->crsr_width = 0;
|
fix->crsr_width = 0;
|
fix->crsr_height = 0;
|
fix->crsr_height = 0;
|
fix->crsr_xsize = 0;
|
fix->crsr_xsize = 0;
|
fix->crsr_ysize = 0;
|
fix->crsr_ysize = 0;
|
fix->crsr_color1 = 0;
|
fix->crsr_color1 = 0;
|
fix->crsr_color2 = 0;
|
fix->crsr_color2 = 0;
|
}
|
}
|
#endif
|
#endif
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static int aga_get_var_cursorinfo(struct fb_var_cursorinfo *var, int con)
|
static int aga_get_var_cursorinfo(struct fb_var_cursorinfo *var, int con)
|
{
|
{
|
struct aga_cursorsprite *sprite = (struct aga_cursorsprite *)lofsprite;
|
struct aga_cursorsprite *sprite = (struct aga_cursorsprite *)lofsprite;
|
|
|
/* TODO: interlaced sprites */
|
/* TODO: interlaced sprites */
|
memcpy(var->data, sprite->u.nonlaced.data, sizeof(var->data));
|
memcpy(var->data, sprite->u.nonlaced.data, sizeof(var->data));
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static int aga_set_var_cursorinfo(struct fb_var_cursorinfo *var, int con)
|
static int aga_set_var_cursorinfo(struct fb_var_cursorinfo *var, int con)
|
{
|
{
|
struct aga_cursorsprite *sprite = (struct aga_cursorsprite *)lofsprite;
|
struct aga_cursorsprite *sprite = (struct aga_cursorsprite *)lofsprite;
|
|
|
/* TODO: interlaced sprites */
|
/* TODO: interlaced sprites */
|
memcpy(sprite->u.nonlaced.data, var->data, sizeof(var->data));
|
memcpy(sprite->u.nonlaced.data, var->data, sizeof(var->data));
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static int aga_get_cursorstate(struct fb_cursorstate *state, int con)
|
static int aga_get_cursorstate(struct fb_cursorstate *state, int con)
|
{
|
{
|
state->xoffset = current_par.crsr_x;
|
state->xoffset = current_par.crsr_x;
|
state->yoffset = current_par.crsr_y;
|
state->yoffset = current_par.crsr_y;
|
state->mode = cursormode;
|
state->mode = cursormode;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static int aga_set_cursorstate(struct fb_cursorstate *state, int con)
|
static int aga_set_cursorstate(struct fb_cursorstate *state, int con)
|
{
|
{
|
current_par.crsr_x = state->xoffset;
|
current_par.crsr_x = state->xoffset;
|
current_par.crsr_y = state->yoffset;
|
current_par.crsr_y = state->yoffset;
|
cursormode = state->mode;
|
cursormode = state->mode;
|
do_movecursor = 1;
|
do_movecursor = 1;
|
return(0);
|
return(0);
|
}
|
}
|
#endif
|
#endif
|
|
|
|
|
/*
|
/*
|
* Build the Frame Header Copper List
|
* Build the Frame Header Copper List
|
*/
|
*/
|
|
|
static __inline__ void aga_build_clist_hdr(struct clist_hdr *cop)
|
static __inline__ void aga_build_clist_hdr(struct clist_hdr *cop)
|
{
|
{
|
int i, j;
|
int i, j;
|
u_long p;
|
u_long p;
|
|
|
cop->bplcon0.l = CMOVE(BPC0_COLOR | BPC0_SHRES | BPC0_ECSENA, bplcon0);
|
cop->bplcon0.l = CMOVE(BPC0_COLOR | BPC0_SHRES | BPC0_ECSENA, bplcon0);
|
cop->diwstrt.l = CMOVE(0x0181, diwstrt);
|
cop->diwstrt.l = CMOVE(0x0181, diwstrt);
|
cop->diwstop.l = CMOVE(0x0281, diwstop);
|
cop->diwstop.l = CMOVE(0x0281, diwstop);
|
cop->diwhigh.l = CMOVE(0x0000, diwhigh);
|
cop->diwhigh.l = CMOVE(0x0000, diwhigh);
|
for (i = 0; i < 8; i++)
|
for (i = 0; i < 8; i++)
|
cop->sprfix[i].l = CMOVE(0, spr[i].pos);
|
cop->sprfix[i].l = CMOVE(0, spr[i].pos);
|
for (i = 0, j = 0; i < 8; i++) {
|
for (i = 0, j = 0; i < 8; i++) {
|
p = ZTWO_PADDR(dummysprite);
|
p = ZTWO_PADDR(dummysprite);
|
cop->sprstrtup[j++].l = CMOVE(highw(p), sprpt[i]);
|
cop->sprstrtup[j++].l = CMOVE(highw(p), sprpt[i]);
|
cop->sprstrtup[j++].l = CMOVE2(loww(p), sprpt[i]);
|
cop->sprstrtup[j++].l = CMOVE2(loww(p), sprpt[i]);
|
}
|
}
|
cop->wait.l = CWAIT(0, 12); /* Initial value */
|
cop->wait.l = CWAIT(0, 12); /* Initial value */
|
cop->jump.l = CMOVE(0, copjmp2);
|
cop->jump.l = CMOVE(0, copjmp2);
|
cop->wait_forever.l = CEND;
|
cop->wait_forever.l = CEND;
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Update the Frame Header Copper List
|
* Update the Frame Header Copper List
|
*/
|
*/
|
|
|
static __inline__ void aga_update_clist_hdr(struct clist_hdr *cop,
|
static __inline__ void aga_update_clist_hdr(struct clist_hdr *cop,
|
struct amiga_fb_par *par)
|
struct amiga_fb_par *par)
|
{
|
{
|
cop->bplcon0.l = CMOVE(~(BPC0_BPU3 | BPC0_BPU2 | BPC0_BPU1 | BPC0_BPU0) &
|
cop->bplcon0.l = CMOVE(~(BPC0_BPU3 | BPC0_BPU2 | BPC0_BPU1 | BPC0_BPU0) &
|
par->bplcon0, bplcon0);
|
par->bplcon0, bplcon0);
|
cop->wait.l = CWAIT(0, par->diwstrt_v-2);
|
cop->wait.l = CWAIT(0, par->diwstrt_v-2);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Build the Long Frame/Short Frame Copper List
|
* Build the Long Frame/Short Frame Copper List
|
*/
|
*/
|
|
|
static void aga_build_clist_dyn(struct clist_dyn *cop,
|
static void aga_build_clist_dyn(struct clist_dyn *cop,
|
struct clist_dyn *othercop, u_short shf,
|
struct clist_dyn *othercop, u_short shf,
|
struct amiga_fb_par *par)
|
struct amiga_fb_par *par)
|
{
|
{
|
u_long y_wrap, bplpt0, p, line;
|
u_long y_wrap, bplpt0, p, line;
|
int i, j = 0;
|
int i, j = 0;
|
|
|
cop->diwstrt.l = CMOVE(par->diwstrt, diwstrt);
|
cop->diwstrt.l = CMOVE(par->diwstrt, diwstrt);
|
cop->diwstop.l = CMOVE(par->diwstop, diwstop);
|
cop->diwstop.l = CMOVE(par->diwstop, diwstop);
|
cop->diwhigh.l = CMOVE(par->diwhigh, diwhigh);
|
cop->diwhigh.l = CMOVE(par->diwhigh, diwhigh);
|
cop->bplcon0.l = CMOVE(par->bplcon0, bplcon0);
|
cop->bplcon0.l = CMOVE(par->bplcon0, bplcon0);
|
|
|
/* Point Sprite 0 at cursor sprite */
|
/* Point Sprite 0 at cursor sprite */
|
|
|
/* TODO: This should depend on the vertical sprite position too */
|
/* TODO: This should depend on the vertical sprite position too */
|
if (shf) {
|
if (shf) {
|
p = ZTWO_PADDR(shfsprite);
|
p = ZTWO_PADDR(shfsprite);
|
cop->sprpt[0].l = CMOVE(highw(p), sprpt[0]);
|
cop->sprpt[0].l = CMOVE(highw(p), sprpt[0]);
|
cop->sprpt[1].l = CMOVE2(loww(p), sprpt[0]);
|
cop->sprpt[1].l = CMOVE2(loww(p), sprpt[0]);
|
} else {
|
} else {
|
p = ZTWO_PADDR(lofsprite);
|
p = ZTWO_PADDR(lofsprite);
|
cop->sprpt[0].l = CMOVE(highw(p), sprpt[0]);
|
cop->sprpt[0].l = CMOVE(highw(p), sprpt[0]);
|
cop->sprpt[1].l = CMOVE2(loww(p), sprpt[0]);
|
cop->sprpt[1].l = CMOVE2(loww(p), sprpt[0]);
|
}
|
}
|
|
|
bplpt0 = par->bplpt0;
|
bplpt0 = par->bplpt0;
|
if (shf)
|
if (shf)
|
bplpt0 += par->next_line;
|
bplpt0 += par->next_line;
|
y_wrap = par->vmode & FB_VMODE_YWRAP ? par->yoffset : 0;
|
y_wrap = par->vmode & FB_VMODE_YWRAP ? par->yoffset : 0;
|
|
|
/* Set up initial bitplane ptrs */
|
/* Set up initial bitplane ptrs */
|
|
|
for (i = 0, p = bplpt0; i < par->bpp; i++, p += par->next_plane) {
|
for (i = 0, p = bplpt0; i < par->bpp; i++, p += par->next_plane) {
|
cop->rest[j++].l = CMOVE(highw(p), bplpt[i]);
|
cop->rest[j++].l = CMOVE(highw(p), bplpt[i]);
|
cop->rest[j++].l = CMOVE2(loww(p), bplpt[i]);
|
cop->rest[j++].l = CMOVE2(loww(p), bplpt[i]);
|
}
|
}
|
|
|
if (y_wrap) {
|
if (y_wrap) {
|
bplpt0 -= y_wrap*par->next_line;
|
bplpt0 -= y_wrap*par->next_line;
|
line = par->yres-y_wrap;
|
line = par->yres-y_wrap;
|
switch (par->vmode & FB_VMODE_MASK) {
|
switch (par->vmode & FB_VMODE_MASK) {
|
case FB_VMODE_INTERLACED:
|
case FB_VMODE_INTERLACED:
|
line >>= 1;
|
line >>= 1;
|
break;
|
break;
|
case FB_VMODE_DOUBLE:
|
case FB_VMODE_DOUBLE:
|
line <<= 1;
|
line <<= 1;
|
break;
|
break;
|
}
|
}
|
line += par->diwstrt_v;
|
line += par->diwstrt_v;
|
|
|
/* Handle skipping over 256-line chunks */
|
/* Handle skipping over 256-line chunks */
|
|
|
while (line > 256) {
|
while (line > 256) {
|
/* Hardware limitation - 8 bit counter */
|
/* Hardware limitation - 8 bit counter */
|
cop->rest[j++].l = CWAIT(par->htotal-4, 255);
|
cop->rest[j++].l = CWAIT(par->htotal-4, 255);
|
/* Wait(0, 0) - make sure we're in the new segment */
|
/* Wait(0, 0) - make sure we're in the new segment */
|
cop->rest[j++].l = CWAIT(0, 0);
|
cop->rest[j++].l = CWAIT(0, 0);
|
line -= 256;
|
line -= 256;
|
}
|
}
|
cop->rest[j++].l = CWAIT(par->htotal-11, line-1);
|
cop->rest[j++].l = CWAIT(par->htotal-11, line-1);
|
|
|
for (i = 0, p = bplpt0; i < par->bpp; i++, p += par->next_plane) {
|
for (i = 0, p = bplpt0; i < par->bpp; i++, p += par->next_plane) {
|
cop->rest[j++].l = CMOVE(highw(p), bplpt[i]);
|
cop->rest[j++].l = CMOVE(highw(p), bplpt[i]);
|
cop->rest[j++].l = CMOVE2(loww(p), bplpt[i]);
|
cop->rest[j++].l = CMOVE2(loww(p), bplpt[i]);
|
}
|
}
|
}
|
}
|
|
|
if (othercop) {
|
if (othercop) {
|
p = ZTWO_PADDR(othercop);
|
p = ZTWO_PADDR(othercop);
|
cop->rest[j++].l = CMOVE(highw(p), cop2lc);
|
cop->rest[j++].l = CMOVE(highw(p), cop2lc);
|
cop->rest[j++].l = CMOVE2(loww(p), cop2lc);
|
cop->rest[j++].l = CMOVE2(loww(p), cop2lc);
|
}
|
}
|
|
|
/* End of Copper list */
|
/* End of Copper list */
|
cop->rest[j++].l = CEND;
|
cop->rest[j++].l = CEND;
|
|
|
if (j > arraysize(cop->rest))
|
if (j > arraysize(cop->rest))
|
printk("aga_build_clist_dyn: copper list overflow (%d entries)\n", j);
|
printk("aga_build_clist_dyn: copper list overflow (%d entries)\n", j);
|
}
|
}
|
#endif /* CONFIG_AMIFB_AGA */
|
#endif /* CONFIG_AMIFB_AGA */
|
|
|
|
|
/* -------------------- Interfaces to hardware functions -------------------- */
|
/* -------------------- Interfaces to hardware functions -------------------- */
|
|
|
|
|
#ifdef CONFIG_AMIFB_OCS
|
#ifdef CONFIG_AMIFB_OCS
|
static struct fb_hwswitch ocs_switch = {
|
static struct fb_hwswitch ocs_switch = {
|
ocs_init, ocs_encode_fix, ocs_decode_var, ocs_encode_var, ocs_getcolreg,
|
ocs_init, ocs_encode_fix, ocs_decode_var, ocs_encode_var, ocs_getcolreg,
|
ocs_setcolreg, ocs_pan_display, ocs_do_vmode, ocs_do_blank,
|
ocs_setcolreg, ocs_pan_display, ocs_do_vmode, ocs_do_blank,
|
ocs_do_movecursor, ocs_do_flashcursor
|
ocs_do_movecursor, ocs_do_flashcursor
|
};
|
};
|
#endif /* CONFIG_AMIFB_OCS */
|
#endif /* CONFIG_AMIFB_OCS */
|
|
|
#ifdef CONFIG_AMIFB_ECS
|
#ifdef CONFIG_AMIFB_ECS
|
static struct fb_hwswitch ecs_switch = {
|
static struct fb_hwswitch ecs_switch = {
|
ecs_init, ecs_encode_fix, ecs_decode_var, ecs_encode_var, ecs_getcolreg,
|
ecs_init, ecs_encode_fix, ecs_decode_var, ecs_encode_var, ecs_getcolreg,
|
ecs_setcolreg, ecs_pan_display, ecs_do_vmode, ecs_do_blank,
|
ecs_setcolreg, ecs_pan_display, ecs_do_vmode, ecs_do_blank,
|
ecs_do_movecursor, ecs_do_flashcursor
|
ecs_do_movecursor, ecs_do_flashcursor
|
};
|
};
|
#endif /* CONFIG_AMIFB_ECS */
|
#endif /* CONFIG_AMIFB_ECS */
|
|
|
#ifdef CONFIG_AMIFB_AGA
|
#ifdef CONFIG_AMIFB_AGA
|
static struct fb_hwswitch aga_switch = {
|
static struct fb_hwswitch aga_switch = {
|
aga_init, aga_encode_fix, aga_decode_var, aga_encode_var, aga_getcolreg,
|
aga_init, aga_encode_fix, aga_decode_var, aga_encode_var, aga_getcolreg,
|
aga_setcolreg, aga_pan_display, aga_do_vmode, aga_do_blank,
|
aga_setcolreg, aga_pan_display, aga_do_vmode, aga_do_blank,
|
aga_do_movecursor, aga_do_flashcursor
|
aga_do_movecursor, aga_do_flashcursor
|
};
|
};
|
#endif /* CONFIG_AMIFB_AGA */
|
#endif /* CONFIG_AMIFB_AGA */
|
|
|
|
|
/* -------------------- Generic routines ------------------------------------ */
|
/* -------------------- Generic routines ------------------------------------ */
|
|
|
|
|
/*
|
/*
|
* Allocate, Clear and Align a Block of Chip Memory
|
* Allocate, Clear and Align a Block of Chip Memory
|
*/
|
*/
|
|
|
static u_long chipalloc(u_long size)
|
static u_long chipalloc(u_long size)
|
{
|
{
|
u_long ptr;
|
u_long ptr;
|
|
|
size += PAGE_SIZE-1;
|
size += PAGE_SIZE-1;
|
if (!(ptr = (u_long)amiga_chip_alloc(size)))
|
if (!(ptr = (u_long)amiga_chip_alloc(size)))
|
panic("No Chip RAM for frame buffer");
|
panic("No Chip RAM for frame buffer");
|
memset((void *)ptr, 0, size);
|
memset((void *)ptr, 0, size);
|
ptr = PAGE_ALIGN(ptr);
|
ptr = PAGE_ALIGN(ptr);
|
|
|
return(ptr);
|
return(ptr);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Fill the hardware's `par' structure.
|
* Fill the hardware's `par' structure.
|
*/
|
*/
|
|
|
static void amiga_fb_get_par(struct amiga_fb_par *par)
|
static void amiga_fb_get_par(struct amiga_fb_par *par)
|
{
|
{
|
if (current_par_valid)
|
if (current_par_valid)
|
*par = current_par;
|
*par = current_par;
|
else
|
else
|
fbhw->decode_var(&amiga_fb_predefined[amifb_mode], par);
|
fbhw->decode_var(&amiga_fb_predefined[amifb_mode], par);
|
}
|
}
|
|
|
|
|
static void amiga_fb_set_par(struct amiga_fb_par *par)
|
static void amiga_fb_set_par(struct amiga_fb_par *par)
|
{
|
{
|
do_vmode = 0;
|
do_vmode = 0;
|
current_par = *par;
|
current_par = *par;
|
full_vmode_change = 1;
|
full_vmode_change = 1;
|
do_vmode = 1;
|
do_vmode = 1;
|
current_par_valid = 1;
|
current_par_valid = 1;
|
}
|
}
|
|
|
|
|
static int do_fb_set_var(struct fb_var_screeninfo *var, int isactive)
|
static int do_fb_set_var(struct fb_var_screeninfo *var, int isactive)
|
{
|
{
|
int err, activate;
|
int err, activate;
|
struct amiga_fb_par par;
|
struct amiga_fb_par par;
|
|
|
if ((err = fbhw->decode_var(var, &par)))
|
if ((err = fbhw->decode_var(var, &par)))
|
return(err);
|
return(err);
|
activate = var->activate;
|
activate = var->activate;
|
if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW && isactive)
|
if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW && isactive)
|
amiga_fb_set_par(&par);
|
amiga_fb_set_par(&par);
|
fbhw->encode_var(var, &par);
|
fbhw->encode_var(var, &par);
|
var->activate = activate;
|
var->activate = activate;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Default Colormaps
|
* Default Colormaps
|
*/
|
*/
|
|
|
static u_short red2[] =
|
static u_short red2[] =
|
{ 0x0000, 0xc000 };
|
{ 0x0000, 0xc000 };
|
static u_short green2[] =
|
static u_short green2[] =
|
{ 0x0000, 0xc000 };
|
{ 0x0000, 0xc000 };
|
static u_short blue2[] =
|
static u_short blue2[] =
|
{ 0x0000, 0xc000 };
|
{ 0x0000, 0xc000 };
|
|
|
static u_short red4[] =
|
static u_short red4[] =
|
{ 0x0000, 0xc000, 0x8000, 0xffff };
|
{ 0x0000, 0xc000, 0x8000, 0xffff };
|
static u_short green4[] =
|
static u_short green4[] =
|
{ 0x0000, 0xc000, 0x8000, 0xffff };
|
{ 0x0000, 0xc000, 0x8000, 0xffff };
|
static u_short blue4[] =
|
static u_short blue4[] =
|
{ 0x0000, 0xc000, 0x8000, 0xffff };
|
{ 0x0000, 0xc000, 0x8000, 0xffff };
|
|
|
static u_short red8[] =
|
static u_short red8[] =
|
{ 0x0000, 0x0000, 0x0000, 0x0000, 0xc000, 0xc000, 0xc000, 0xc000 };
|
{ 0x0000, 0x0000, 0x0000, 0x0000, 0xc000, 0xc000, 0xc000, 0xc000 };
|
static u_short green8[] =
|
static u_short green8[] =
|
{ 0x0000, 0x0000, 0xc000, 0xc000, 0x0000, 0x0000, 0xc000, 0xc000 };
|
{ 0x0000, 0x0000, 0xc000, 0xc000, 0x0000, 0x0000, 0xc000, 0xc000 };
|
static u_short blue8[] =
|
static u_short blue8[] =
|
{ 0x0000, 0xc000, 0x0000, 0xc000, 0x0000, 0xc000, 0x0000, 0xc000 };
|
{ 0x0000, 0xc000, 0x0000, 0xc000, 0x0000, 0xc000, 0x0000, 0xc000 };
|
|
|
static u_short red16[] =
|
static u_short red16[] =
|
{ 0x0000, 0x0000, 0x0000, 0x0000, 0xc000, 0xc000, 0xc000, 0xc000,
|
{ 0x0000, 0x0000, 0x0000, 0x0000, 0xc000, 0xc000, 0xc000, 0xc000,
|
0x8000, 0x0000, 0x0000, 0x0000, 0xffff, 0xffff, 0xffff, 0xffff };
|
0x8000, 0x0000, 0x0000, 0x0000, 0xffff, 0xffff, 0xffff, 0xffff };
|
static u_short green16[] =
|
static u_short green16[] =
|
{ 0x0000, 0x0000, 0xc000, 0xc000, 0x0000, 0x0000, 0xc000, 0xc000,
|
{ 0x0000, 0x0000, 0xc000, 0xc000, 0x0000, 0x0000, 0xc000, 0xc000,
|
0x8000, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff };
|
0x8000, 0x0000, 0xffff, 0xffff, 0x0000, 0x0000, 0xffff, 0xffff };
|
static u_short blue16[] =
|
static u_short blue16[] =
|
{ 0x0000, 0xc000, 0x0000, 0xc000, 0x0000, 0xc000, 0x0000, 0xc000,
|
{ 0x0000, 0xc000, 0x0000, 0xc000, 0x0000, 0xc000, 0x0000, 0xc000,
|
0x8000, 0xffff, 0x0000, 0xffff, 0x0000, 0xffff, 0x0000, 0xffff };
|
0x8000, 0xffff, 0x0000, 0xffff, 0x0000, 0xffff, 0x0000, 0xffff };
|
|
|
|
|
static struct fb_cmap default_2_colors =
|
static struct fb_cmap default_2_colors =
|
{ 0, 2, red2, green2, blue2, NULL };
|
{ 0, 2, red2, green2, blue2, NULL };
|
static struct fb_cmap default_8_colors =
|
static struct fb_cmap default_8_colors =
|
{ 0, 8, red8, green8, blue8, NULL };
|
{ 0, 8, red8, green8, blue8, NULL };
|
static struct fb_cmap default_4_colors =
|
static struct fb_cmap default_4_colors =
|
{ 0, 4, red4, green4, blue4, NULL };
|
{ 0, 4, red4, green4, blue4, NULL };
|
static struct fb_cmap default_16_colors =
|
static struct fb_cmap default_16_colors =
|
{ 0, 16, red16, green16, blue16, NULL };
|
{ 0, 16, red16, green16, blue16, NULL };
|
|
|
|
|
static struct fb_cmap *get_default_colormap(int bpp)
|
static struct fb_cmap *get_default_colormap(int bpp)
|
{
|
{
|
switch (bpp) {
|
switch (bpp) {
|
case 1:
|
case 1:
|
return(&default_2_colors);
|
return(&default_2_colors);
|
break;
|
break;
|
case 2:
|
case 2:
|
return(&default_4_colors);
|
return(&default_4_colors);
|
break;
|
break;
|
case 3:
|
case 3:
|
return(&default_8_colors);
|
return(&default_8_colors);
|
break;
|
break;
|
default:
|
default:
|
return(&default_16_colors);
|
return(&default_16_colors);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
|
|
#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7fff-(val))>>16)
|
#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7fff-(val))>>16)
|
#define CNVT_FROMHW(val,width) (((width) ? ((((val)<<16)-(val)) / \
|
#define CNVT_FROMHW(val,width) (((width) ? ((((val)<<16)-(val)) / \
|
((1<<(width))-1)) : 0))
|
((1<<(width))-1)) : 0))
|
|
|
static int do_fb_get_cmap(struct fb_cmap *cmap, struct fb_var_screeninfo *var,
|
static int do_fb_get_cmap(struct fb_cmap *cmap, struct fb_var_screeninfo *var,
|
int kspc)
|
int kspc)
|
{
|
{
|
int i, start;
|
int i, start;
|
u_short *red, *green, *blue, *transp;
|
u_short *red, *green, *blue, *transp;
|
u_int hred, hgreen, hblue, htransp;
|
u_int hred, hgreen, hblue, htransp;
|
|
|
red = cmap->red;
|
red = cmap->red;
|
green = cmap->green;
|
green = cmap->green;
|
blue = cmap->blue;
|
blue = cmap->blue;
|
transp = cmap->transp;
|
transp = cmap->transp;
|
start = cmap->start;
|
start = cmap->start;
|
if (start < 0)
|
if (start < 0)
|
return(-EINVAL);
|
return(-EINVAL);
|
for (i = 0; i < cmap->len; i++) {
|
for (i = 0; i < cmap->len; i++) {
|
if (fbhw->getcolreg(start++, &hred, &hgreen, &hblue, &htransp))
|
if (fbhw->getcolreg(start++, &hred, &hgreen, &hblue, &htransp))
|
return(0);
|
return(0);
|
hred = CNVT_FROMHW(hred, var->red.length);
|
hred = CNVT_FROMHW(hred, var->red.length);
|
hgreen = CNVT_FROMHW(hgreen, var->green.length);
|
hgreen = CNVT_FROMHW(hgreen, var->green.length);
|
hblue = CNVT_FROMHW(hblue, var->blue.length);
|
hblue = CNVT_FROMHW(hblue, var->blue.length);
|
htransp = CNVT_FROMHW(htransp, var->transp.length);
|
htransp = CNVT_FROMHW(htransp, var->transp.length);
|
if (kspc) {
|
if (kspc) {
|
*red = hred;
|
*red = hred;
|
*green = hgreen;
|
*green = hgreen;
|
*blue = hblue;
|
*blue = hblue;
|
if (transp)
|
if (transp)
|
*transp = htransp;
|
*transp = htransp;
|
} else {
|
} else {
|
put_fs_word(hred, red);
|
put_fs_word(hred, red);
|
put_fs_word(hgreen, green);
|
put_fs_word(hgreen, green);
|
put_fs_word(hblue, blue);
|
put_fs_word(hblue, blue);
|
if (transp)
|
if (transp)
|
put_fs_word(htransp, transp);
|
put_fs_word(htransp, transp);
|
}
|
}
|
red++;
|
red++;
|
green++;
|
green++;
|
blue++;
|
blue++;
|
if (transp)
|
if (transp)
|
transp++;
|
transp++;
|
}
|
}
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static int do_fb_set_cmap(struct fb_cmap *cmap, struct fb_var_screeninfo *var,
|
static int do_fb_set_cmap(struct fb_cmap *cmap, struct fb_var_screeninfo *var,
|
int kspc)
|
int kspc)
|
{
|
{
|
int i, start;
|
int i, start;
|
u_short *red, *green, *blue, *transp;
|
u_short *red, *green, *blue, *transp;
|
u_int hred, hgreen, hblue, htransp;
|
u_int hred, hgreen, hblue, htransp;
|
|
|
red = cmap->red;
|
red = cmap->red;
|
green = cmap->green;
|
green = cmap->green;
|
blue = cmap->blue;
|
blue = cmap->blue;
|
transp = cmap->transp;
|
transp = cmap->transp;
|
start = cmap->start;
|
start = cmap->start;
|
|
|
if (start < 0)
|
if (start < 0)
|
return(-EINVAL);
|
return(-EINVAL);
|
for (i = 0; i < cmap->len; i++) {
|
for (i = 0; i < cmap->len; i++) {
|
if (kspc) {
|
if (kspc) {
|
hred = *red;
|
hred = *red;
|
hgreen = *green;
|
hgreen = *green;
|
hblue = *blue;
|
hblue = *blue;
|
htransp = transp ? *transp : 0;
|
htransp = transp ? *transp : 0;
|
} else {
|
} else {
|
hred = get_fs_word(red);
|
hred = get_fs_word(red);
|
hgreen = get_fs_word(green);
|
hgreen = get_fs_word(green);
|
hblue = get_fs_word(blue);
|
hblue = get_fs_word(blue);
|
htransp = transp ? get_fs_word(transp) : 0;
|
htransp = transp ? get_fs_word(transp) : 0;
|
}
|
}
|
hred = CNVT_TOHW(hred, var->red.length);
|
hred = CNVT_TOHW(hred, var->red.length);
|
hgreen = CNVT_TOHW(hgreen, var->green.length);
|
hgreen = CNVT_TOHW(hgreen, var->green.length);
|
hblue = CNVT_TOHW(hblue, var->blue.length);
|
hblue = CNVT_TOHW(hblue, var->blue.length);
|
htransp = CNVT_TOHW(htransp, var->transp.length);
|
htransp = CNVT_TOHW(htransp, var->transp.length);
|
red++;
|
red++;
|
green++;
|
green++;
|
blue++;
|
blue++;
|
if (transp)
|
if (transp)
|
transp++;
|
transp++;
|
if (fbhw->setcolreg(start++, hred, hgreen, hblue, htransp))
|
if (fbhw->setcolreg(start++, hred, hgreen, hblue, htransp))
|
return(0);
|
return(0);
|
}
|
}
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
static void do_install_cmap(int con)
|
static void do_install_cmap(int con)
|
{
|
{
|
if (con != currcon)
|
if (con != currcon)
|
return;
|
return;
|
if (disp[con].cmap.len)
|
if (disp[con].cmap.len)
|
do_fb_set_cmap(&disp[con].cmap, &disp[con].var, 1);
|
do_fb_set_cmap(&disp[con].cmap, &disp[con].var, 1);
|
else
|
else
|
do_fb_set_cmap(get_default_colormap(disp[con].var.bits_per_pixel),
|
do_fb_set_cmap(get_default_colormap(disp[con].var.bits_per_pixel),
|
&disp[con].var, 1);
|
&disp[con].var, 1);
|
}
|
}
|
|
|
|
|
static void memcpy_fs(int fsfromto, void *to, void *from, int len)
|
static void memcpy_fs(int fsfromto, void *to, void *from, int len)
|
{
|
{
|
switch (fsfromto) {
|
switch (fsfromto) {
|
case 0:
|
case 0:
|
memcpy(to, from, len);
|
memcpy(to, from, len);
|
return;
|
return;
|
case 1:
|
case 1:
|
memcpy_fromfs(to, from, len);
|
memcpy_fromfs(to, from, len);
|
return;
|
return;
|
case 2:
|
case 2:
|
memcpy_tofs(to, from, len);
|
memcpy_tofs(to, from, len);
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
|
|
static void copy_cmap(struct fb_cmap *from, struct fb_cmap *to, int fsfromto)
|
static void copy_cmap(struct fb_cmap *from, struct fb_cmap *to, int fsfromto)
|
{
|
{
|
int size;
|
int size;
|
int tooff = 0, fromoff = 0;
|
int tooff = 0, fromoff = 0;
|
|
|
if (to->start > from->start)
|
if (to->start > from->start)
|
fromoff = to->start-from->start;
|
fromoff = to->start-from->start;
|
else
|
else
|
tooff = from->start-to->start;
|
tooff = from->start-to->start;
|
size = to->len-tooff;
|
size = to->len-tooff;
|
if (size > from->len-fromoff)
|
if (size > from->len-fromoff)
|
size = from->len-fromoff;
|
size = from->len-fromoff;
|
if (size < 0)
|
if (size < 0)
|
return;
|
return;
|
size *= sizeof(u_short);
|
size *= sizeof(u_short);
|
memcpy_fs(fsfromto, to->red+tooff, from->red+fromoff, size);
|
memcpy_fs(fsfromto, to->red+tooff, from->red+fromoff, size);
|
memcpy_fs(fsfromto, to->green+tooff, from->green+fromoff, size);
|
memcpy_fs(fsfromto, to->green+tooff, from->green+fromoff, size);
|
memcpy_fs(fsfromto, to->blue+tooff, from->blue+fromoff, size);
|
memcpy_fs(fsfromto, to->blue+tooff, from->blue+fromoff, size);
|
if (from->transp && to->transp)
|
if (from->transp && to->transp)
|
memcpy_fs(fsfromto, to->transp+tooff, from->transp+fromoff, size);
|
memcpy_fs(fsfromto, to->transp+tooff, from->transp+fromoff, size);
|
}
|
}
|
|
|
|
|
static int alloc_cmap(struct fb_cmap *cmap, int len, int transp)
|
static int alloc_cmap(struct fb_cmap *cmap, int len, int transp)
|
{
|
{
|
int size = len*sizeof(u_short);
|
int size = len*sizeof(u_short);
|
|
|
if (cmap->len != len) {
|
if (cmap->len != len) {
|
if (cmap->red)
|
if (cmap->red)
|
kfree(cmap->red);
|
kfree(cmap->red);
|
if (cmap->green)
|
if (cmap->green)
|
kfree(cmap->green);
|
kfree(cmap->green);
|
if (cmap->blue)
|
if (cmap->blue)
|
kfree(cmap->blue);
|
kfree(cmap->blue);
|
if (cmap->transp)
|
if (cmap->transp)
|
kfree(cmap->transp);
|
kfree(cmap->transp);
|
cmap->red = cmap->green = cmap->blue = cmap->transp = NULL;
|
cmap->red = cmap->green = cmap->blue = cmap->transp = NULL;
|
cmap->len = 0;
|
cmap->len = 0;
|
if (!len)
|
if (!len)
|
return(0);
|
return(0);
|
if (!(cmap->red = kmalloc(size, GFP_ATOMIC)))
|
if (!(cmap->red = kmalloc(size, GFP_ATOMIC)))
|
return(-1);
|
return(-1);
|
if (!(cmap->green = kmalloc(size, GFP_ATOMIC)))
|
if (!(cmap->green = kmalloc(size, GFP_ATOMIC)))
|
return(-1);
|
return(-1);
|
if (!(cmap->blue = kmalloc(size, GFP_ATOMIC)))
|
if (!(cmap->blue = kmalloc(size, GFP_ATOMIC)))
|
return(-1);
|
return(-1);
|
if (transp) {
|
if (transp) {
|
if (!(cmap->transp = kmalloc(size, GFP_ATOMIC)))
|
if (!(cmap->transp = kmalloc(size, GFP_ATOMIC)))
|
return(-1);
|
return(-1);
|
} else
|
} else
|
cmap->transp = NULL;
|
cmap->transp = NULL;
|
}
|
}
|
cmap->start = 0;
|
cmap->start = 0;
|
cmap->len = len;
|
cmap->len = len;
|
copy_cmap(get_default_colormap(len), cmap, 0);
|
copy_cmap(get_default_colormap(len), cmap, 0);
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Get the Fixed Part of the Display
|
* Get the Fixed Part of the Display
|
*/
|
*/
|
|
|
static int amiga_fb_get_fix(struct fb_fix_screeninfo *fix, int con)
|
static int amiga_fb_get_fix(struct fb_fix_screeninfo *fix, int con)
|
{
|
{
|
struct amiga_fb_par par;
|
struct amiga_fb_par par;
|
int error = 0;
|
int error = 0;
|
|
|
if (con == -1)
|
if (con == -1)
|
amiga_fb_get_par(&par);
|
amiga_fb_get_par(&par);
|
else
|
else
|
error = fbhw->decode_var(&disp[con].var, &par);
|
error = fbhw->decode_var(&disp[con].var, &par);
|
return(error ? error : fbhw->encode_fix(fix, &par));
|
return(error ? error : fbhw->encode_fix(fix, &par));
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Get the User Defined Part of the Display
|
* Get the User Defined Part of the Display
|
*/
|
*/
|
|
|
static int amiga_fb_get_var(struct fb_var_screeninfo *var, int con)
|
static int amiga_fb_get_var(struct fb_var_screeninfo *var, int con)
|
{
|
{
|
struct amiga_fb_par par;
|
struct amiga_fb_par par;
|
int error = 0;
|
int error = 0;
|
|
|
if (con == -1) {
|
if (con == -1) {
|
amiga_fb_get_par(&par);
|
amiga_fb_get_par(&par);
|
error = fbhw->encode_var(var, &par);
|
error = fbhw->encode_var(var, &par);
|
} else
|
} else
|
*var = disp[con].var;
|
*var = disp[con].var;
|
return(error);
|
return(error);
|
}
|
}
|
|
|
|
|
static void amiga_fb_set_disp(int con)
|
static void amiga_fb_set_disp(int con)
|
{
|
{
|
struct fb_fix_screeninfo fix;
|
struct fb_fix_screeninfo fix;
|
|
|
amiga_fb_get_fix(&fix, con);
|
amiga_fb_get_fix(&fix, con);
|
if (con == -1)
|
if (con == -1)
|
con = 0;
|
con = 0;
|
disp[con].screen_base = (u_char *)fix.smem_start;
|
disp[con].screen_base = (u_char *)fix.smem_start;
|
disp[con].visual = fix.visual;
|
disp[con].visual = fix.visual;
|
disp[con].type = fix.type;
|
disp[con].type = fix.type;
|
disp[con].type_aux = fix.type_aux;
|
disp[con].type_aux = fix.type_aux;
|
disp[con].ypanstep = fix.ypanstep;
|
disp[con].ypanstep = fix.ypanstep;
|
disp[con].ywrapstep = fix.ywrapstep;
|
disp[con].ywrapstep = fix.ywrapstep;
|
disp[con].line_length = fix.line_length;
|
disp[con].line_length = fix.line_length;
|
disp[con].can_soft_blank = 1;
|
disp[con].can_soft_blank = 1;
|
disp[con].inverse = amifb_inverse;
|
disp[con].inverse = amifb_inverse;
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Set the User Defined Part of the Display
|
* Set the User Defined Part of the Display
|
*/
|
*/
|
|
|
static int amiga_fb_set_var(struct fb_var_screeninfo *var, int con)
|
static int amiga_fb_set_var(struct fb_var_screeninfo *var, int con)
|
{
|
{
|
int err, oldxres, oldyres, oldvxres, oldvyres, oldbpp;
|
int err, oldxres, oldyres, oldvxres, oldvyres, oldbpp;
|
|
|
if ((err = do_fb_set_var(var, con == currcon)))
|
if ((err = do_fb_set_var(var, con == currcon)))
|
return(err);
|
return(err);
|
if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) {
|
if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) {
|
oldxres = disp[con].var.xres;
|
oldxres = disp[con].var.xres;
|
oldyres = disp[con].var.yres;
|
oldyres = disp[con].var.yres;
|
oldvxres = disp[con].var.xres_virtual;
|
oldvxres = disp[con].var.xres_virtual;
|
oldvyres = disp[con].var.yres_virtual;
|
oldvyres = disp[con].var.yres_virtual;
|
oldbpp = disp[con].var.bits_per_pixel;
|
oldbpp = disp[con].var.bits_per_pixel;
|
disp[con].var = *var;
|
disp[con].var = *var;
|
if (oldxres != var->xres || oldyres != var->yres ||
|
if (oldxres != var->xres || oldyres != var->yres ||
|
oldvxres != var->xres_virtual || oldvyres != var->yres_virtual ||
|
oldvxres != var->xres_virtual || oldvyres != var->yres_virtual ||
|
oldbpp != var->bits_per_pixel) {
|
oldbpp != var->bits_per_pixel) {
|
amiga_fb_set_disp(con);
|
amiga_fb_set_disp(con);
|
(*fb_info.changevar)(con);
|
(*fb_info.changevar)(con);
|
alloc_cmap(&disp[con].cmap, 0, 0);
|
alloc_cmap(&disp[con].cmap, 0, 0);
|
do_install_cmap(con);
|
do_install_cmap(con);
|
}
|
}
|
}
|
}
|
var->activate = 0;
|
var->activate = 0;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Get the Colormap
|
* Get the Colormap
|
*/
|
*/
|
|
|
static int amiga_fb_get_cmap(struct fb_cmap *cmap, int kspc, int con)
|
static int amiga_fb_get_cmap(struct fb_cmap *cmap, int kspc, int con)
|
{
|
{
|
if (con == currcon) /* current console? */
|
if (con == currcon) /* current console? */
|
return(do_fb_get_cmap(cmap, &disp[con].var, kspc));
|
return(do_fb_get_cmap(cmap, &disp[con].var, kspc));
|
else if (disp[con].cmap.len) /* non default colormap? */
|
else if (disp[con].cmap.len) /* non default colormap? */
|
copy_cmap(&disp[con].cmap, cmap, kspc ? 0 : 2);
|
copy_cmap(&disp[con].cmap, cmap, kspc ? 0 : 2);
|
else
|
else
|
copy_cmap(get_default_colormap(disp[con].var.bits_per_pixel), cmap,
|
copy_cmap(get_default_colormap(disp[con].var.bits_per_pixel), cmap,
|
kspc ? 0 : 2);
|
kspc ? 0 : 2);
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Set the Colormap
|
* Set the Colormap
|
*/
|
*/
|
|
|
static int amiga_fb_set_cmap(struct fb_cmap *cmap, int kspc, int con)
|
static int amiga_fb_set_cmap(struct fb_cmap *cmap, int kspc, int con)
|
{
|
{
|
int err;
|
int err;
|
|
|
if (!disp[con].cmap.len) { /* no colormap allocated? */
|
if (!disp[con].cmap.len) { /* no colormap allocated? */
|
if ((err = alloc_cmap(&disp[con].cmap, 1<<disp[con].var.bits_per_pixel,
|
if ((err = alloc_cmap(&disp[con].cmap, 1<<disp[con].var.bits_per_pixel,
|
0)))
|
0)))
|
return(err);
|
return(err);
|
}
|
}
|
if (con == currcon) /* current console? */
|
if (con == currcon) /* current console? */
|
return(do_fb_set_cmap(cmap, &disp[con].var, kspc));
|
return(do_fb_set_cmap(cmap, &disp[con].var, kspc));
|
else
|
else
|
copy_cmap(cmap, &disp[con].cmap, kspc ? 0 : 1);
|
copy_cmap(cmap, &disp[con].cmap, kspc ? 0 : 1);
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Pan or Wrap the Display
|
* Pan or Wrap the Display
|
*
|
*
|
* This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag
|
* This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag
|
*/
|
*/
|
|
|
static int amiga_fb_pan_display(struct fb_var_screeninfo *var, int con)
|
static int amiga_fb_pan_display(struct fb_var_screeninfo *var, int con)
|
{
|
{
|
int err;
|
int err;
|
u_short oldlatch;
|
u_short oldlatch;
|
|
|
if (var->vmode & FB_VMODE_YWRAP) {
|
if (var->vmode & FB_VMODE_YWRAP) {
|
if (var->xoffset || var->yoffset >= disp[con].var.yres)
|
if (var->xoffset || var->yoffset >= disp[con].var.yres)
|
return(-EINVAL);
|
return(-EINVAL);
|
} else {
|
} else {
|
if (var->xoffset+disp[con].var.xres > disp[con].var.xres_virtual ||
|
if (var->xoffset+disp[con].var.xres > disp[con].var.xres_virtual ||
|
var->yoffset+disp[con].var.yres > disp[con].var.yres_virtual)
|
var->yoffset+disp[con].var.yres > disp[con].var.yres_virtual)
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
if (con == currcon) {
|
if (con == currcon) {
|
cli();
|
cli();
|
oldlatch = do_vmode;
|
oldlatch = do_vmode;
|
do_vmode = 0;
|
do_vmode = 0;
|
sti();
|
sti();
|
if ((err = fbhw->pan_display(var, ¤t_par))) {
|
if ((err = fbhw->pan_display(var, ¤t_par))) {
|
if (oldlatch)
|
if (oldlatch)
|
do_vmode = 1;
|
do_vmode = 1;
|
return(err);
|
return(err);
|
}
|
}
|
do_vmode = 1;
|
do_vmode = 1;
|
}
|
}
|
disp[con].var.xoffset = var->xoffset;
|
disp[con].var.xoffset = var->xoffset;
|
disp[con].var.yoffset = var->yoffset;
|
disp[con].var.yoffset = var->yoffset;
|
if (var->vmode & FB_VMODE_YWRAP)
|
if (var->vmode & FB_VMODE_YWRAP)
|
disp[con].var.vmode |= FB_VMODE_YWRAP;
|
disp[con].var.vmode |= FB_VMODE_YWRAP;
|
else
|
else
|
disp[con].var.vmode &= ~FB_VMODE_YWRAP;
|
disp[con].var.vmode &= ~FB_VMODE_YWRAP;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Amiga Frame Buffer Specific ioctls
|
* Amiga Frame Buffer Specific ioctls
|
*/
|
*/
|
|
|
static int amiga_fb_ioctl(struct inode *inode, struct file *file,
|
static int amiga_fb_ioctl(struct inode *inode, struct file *file,
|
u_int cmd, u_long arg, int con)
|
u_int cmd, u_long arg, int con)
|
{
|
{
|
int i;
|
int i;
|
struct fb_fix_cursorinfo crsrfix;
|
struct fb_fix_cursorinfo crsrfix;
|
struct fb_var_cursorinfo crsrvar;
|
struct fb_var_cursorinfo crsrvar;
|
struct fb_cursorstate crsrstate;
|
struct fb_cursorstate crsrstate;
|
|
|
switch (cmd) {
|
switch (cmd) {
|
#ifdef CONFIG_AMIFB_AGA
|
#ifdef CONFIG_AMIFB_AGA
|
case FBIOGET_FCURSORINFO:
|
case FBIOGET_FCURSORINFO:
|
i = verify_area(VERIFY_WRITE, (void *)arg, sizeof(crsrfix));
|
i = verify_area(VERIFY_WRITE, (void *)arg, sizeof(crsrfix));
|
if (i)
|
if (i)
|
return(i);
|
return(i);
|
i = amiga_fb_get_fix_cursorinfo(&crsrfix, con);
|
i = amiga_fb_get_fix_cursorinfo(&crsrfix, con);
|
memcpy_tofs((void *)arg, &crsrfix, sizeof(crsrfix));
|
memcpy_tofs((void *)arg, &crsrfix, sizeof(crsrfix));
|
return(i);
|
return(i);
|
case FBIOGET_VCURSORINFO:
|
case FBIOGET_VCURSORINFO:
|
i = verify_area(VERIFY_WRITE, (void *)arg, sizeof(crsrvar));
|
i = verify_area(VERIFY_WRITE, (void *)arg, sizeof(crsrvar));
|
if (i)
|
if (i)
|
return(i);
|
return(i);
|
i = amiga_fb_get_var_cursorinfo(&crsrvar, con);
|
i = amiga_fb_get_var_cursorinfo(&crsrvar, con);
|
memcpy_tofs((void *)arg, &crsrvar, sizeof(crsrvar));
|
memcpy_tofs((void *)arg, &crsrvar, sizeof(crsrvar));
|
return(i);
|
return(i);
|
case FBIOPUT_VCURSORINFO:
|
case FBIOPUT_VCURSORINFO:
|
i = verify_area(VERIFY_READ, (void *)arg, sizeof(crsrvar));
|
i = verify_area(VERIFY_READ, (void *)arg, sizeof(crsrvar));
|
if (i)
|
if (i)
|
return(i);
|
return(i);
|
memcpy_fromfs(&crsrvar, (void *)arg, sizeof(crsrvar));
|
memcpy_fromfs(&crsrvar, (void *)arg, sizeof(crsrvar));
|
i = amiga_fb_set_var_cursorinfo(&crsrvar, con);
|
i = amiga_fb_set_var_cursorinfo(&crsrvar, con);
|
return(i);
|
return(i);
|
case FBIOGET_CURSORSTATE:
|
case FBIOGET_CURSORSTATE:
|
i = verify_area(VERIFY_WRITE, (void *)arg, sizeof(crsrstate));
|
i = verify_area(VERIFY_WRITE, (void *)arg, sizeof(crsrstate));
|
if (i)
|
if (i)
|
return(i);
|
return(i);
|
i = amiga_fb_get_cursorstate(&crsrstate, con);
|
i = amiga_fb_get_cursorstate(&crsrstate, con);
|
memcpy_tofs((void *)arg, &crsrstate, sizeof(crsrstate));
|
memcpy_tofs((void *)arg, &crsrstate, sizeof(crsrstate));
|
return(i);
|
return(i);
|
case FBIOPUT_CURSORSTATE:
|
case FBIOPUT_CURSORSTATE:
|
i = verify_area(VERIFY_READ, (void *)arg, sizeof(crsrstate));
|
i = verify_area(VERIFY_READ, (void *)arg, sizeof(crsrstate));
|
if (i)
|
if (i)
|
return(i);
|
return(i);
|
memcpy_fromfs(&crsrstate, (void *)arg, sizeof(crsrstate));
|
memcpy_fromfs(&crsrstate, (void *)arg, sizeof(crsrstate));
|
i = amiga_fb_set_cursorstate(&crsrstate, con);
|
i = amiga_fb_set_cursorstate(&crsrstate, con);
|
return(i);
|
return(i);
|
#endif /* CONFIG_AMIFB_AGA */
|
#endif /* CONFIG_AMIFB_AGA */
|
#if 1
|
#if 1
|
case FBCMD_GET_CURRENTPAR:
|
case FBCMD_GET_CURRENTPAR:
|
if ((i = verify_area(VERIFY_WRITE, (void *)arg,
|
if ((i = verify_area(VERIFY_WRITE, (void *)arg,
|
sizeof(struct amiga_fb_par))))
|
sizeof(struct amiga_fb_par))))
|
return(i);
|
return(i);
|
memcpy_tofs((void *)arg, (void *)¤t_par,
|
memcpy_tofs((void *)arg, (void *)¤t_par,
|
sizeof(struct amiga_fb_par));
|
sizeof(struct amiga_fb_par));
|
return(0);
|
return(0);
|
break;
|
break;
|
case FBCMD_SET_CURRENTPAR:
|
case FBCMD_SET_CURRENTPAR:
|
if ((i = verify_area(VERIFY_READ, (void *)arg,
|
if ((i = verify_area(VERIFY_READ, (void *)arg,
|
sizeof(struct amiga_fb_par))))
|
sizeof(struct amiga_fb_par))))
|
return(i);
|
return(i);
|
memcpy_fromfs((void *)¤t_par, (void *)arg,
|
memcpy_fromfs((void *)¤t_par, (void *)arg,
|
sizeof(struct amiga_fb_par));
|
sizeof(struct amiga_fb_par));
|
return(0);
|
return(0);
|
break;
|
break;
|
#endif
|
#endif
|
}
|
}
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
|
|
#ifdef CONFIG_AMIFB_AGA
|
#ifdef CONFIG_AMIFB_AGA
|
/*
|
/*
|
* Hardware Cursor
|
* Hardware Cursor
|
*/
|
*/
|
|
|
static int amiga_fb_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix, int con)
|
static int amiga_fb_get_fix_cursorinfo(struct fb_fix_cursorinfo *fix, int con)
|
{
|
{
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
return(aga_get_fix_cursorinfo(fix, con));
|
return(aga_get_fix_cursorinfo(fix, con));
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
|
|
static int amiga_fb_get_var_cursorinfo(struct fb_var_cursorinfo *var, int con)
|
static int amiga_fb_get_var_cursorinfo(struct fb_var_cursorinfo *var, int con)
|
{
|
{
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
return(aga_get_var_cursorinfo(var, con));
|
return(aga_get_var_cursorinfo(var, con));
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
|
|
static int amiga_fb_set_var_cursorinfo(struct fb_var_cursorinfo *var, int con)
|
static int amiga_fb_set_var_cursorinfo(struct fb_var_cursorinfo *var, int con)
|
{
|
{
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
return(aga_set_var_cursorinfo(var, con));
|
return(aga_set_var_cursorinfo(var, con));
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
|
|
static int amiga_fb_get_cursorstate(struct fb_cursorstate *state, int con)
|
static int amiga_fb_get_cursorstate(struct fb_cursorstate *state, int con)
|
{
|
{
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
return(aga_get_cursorstate(state, con));
|
return(aga_get_cursorstate(state, con));
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
|
|
|
|
static int amiga_fb_set_cursorstate(struct fb_cursorstate *state, int con)
|
static int amiga_fb_set_cursorstate(struct fb_cursorstate *state, int con)
|
{
|
{
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
if (boot_info.bi_amiga.chipset == CS_AGA)
|
return(aga_set_cursorstate(state, con));
|
return(aga_set_cursorstate(state, con));
|
return(-EINVAL);
|
return(-EINVAL);
|
}
|
}
|
#endif /* CONFIG_AMIFB_AGA */
|
#endif /* CONFIG_AMIFB_AGA */
|
|
|
|
|
static struct fb_ops amiga_fb_ops = {
|
static struct fb_ops amiga_fb_ops = {
|
amiga_fb_get_fix, amiga_fb_get_var, amiga_fb_set_var, amiga_fb_get_cmap,
|
amiga_fb_get_fix, amiga_fb_get_var, amiga_fb_set_var, amiga_fb_get_cmap,
|
amiga_fb_set_cmap, amiga_fb_pan_display, amiga_fb_ioctl
|
amiga_fb_set_cmap, amiga_fb_pan_display, amiga_fb_ioctl
|
};
|
};
|
|
|
|
|
void amiga_video_setup(char *options, int *ints)
|
void amiga_video_setup(char *options, int *ints)
|
{
|
{
|
char *this_opt;
|
char *this_opt;
|
int i;
|
int i;
|
char mcap_spec[80];
|
char mcap_spec[80];
|
|
|
/*
|
/*
|
* Check for a Graphics Board
|
* Check for a Graphics Board
|
*/
|
*/
|
|
|
#ifdef CONFIG_FB_CYBER
|
#ifdef CONFIG_FB_CYBER
|
if (options && *options)
|
if (options && *options)
|
if (!strncmp(options, "cyber", 5) && Cyber_probe()) {
|
if (!strncmp(options, "cyber", 5) && Cyber_probe()) {
|
amifb_Cyber = 1;
|
amifb_Cyber = 1;
|
Cyber_video_setup(options, ints);
|
Cyber_video_setup(options, ints);
|
return;
|
return;
|
}
|
}
|
#endif /* CONFIG_FB_CYBER */
|
#endif /* CONFIG_FB_CYBER */
|
|
|
#ifdef USE_MONO_AMIFB_IF_NON_AGA
|
#ifdef USE_MONO_AMIFB_IF_NON_AGA
|
if (boot_info.bi_amiga.chipset != CS_AGA) {
|
if (boot_info.bi_amiga.chipset != CS_AGA) {
|
mono_video_setup(options, ints);
|
mono_video_setup(options, ints);
|
return;
|
return;
|
}
|
}
|
#endif /* USE_MONO_AMIFB_IF_NON_AGA */
|
#endif /* USE_MONO_AMIFB_IF_NON_AGA */
|
|
|
mcap_spec[0] = '\0';
|
mcap_spec[0] = '\0';
|
fb_info.fontname[0] = '\0';
|
fb_info.fontname[0] = '\0';
|
|
|
if (!options || !*options)
|
if (!options || !*options)
|
return;
|
return;
|
|
|
for (this_opt = strtok(options, ","); this_opt; this_opt = strtok(NULL, ","))
|
for (this_opt = strtok(options, ","); this_opt; this_opt = strtok(NULL, ","))
|
if (!strcmp(this_opt, "inverse")) {
|
if (!strcmp(this_opt, "inverse")) {
|
amifb_inverse = 1;
|
amifb_inverse = 1;
|
for (i = 0; i < 16; i++) {
|
for (i = 0; i < 16; i++) {
|
red16[i] = ~red16[i];
|
red16[i] = ~red16[i];
|
green16[i] = ~green16[i];
|
green16[i] = ~green16[i];
|
blue16[i] = ~blue16[i];
|
blue16[i] = ~blue16[i];
|
}
|
}
|
for (i = 0; i < 8; i++) {
|
for (i = 0; i < 8; i++) {
|
red8[i] = ~red8[i];
|
red8[i] = ~red8[i];
|
green8[i] = ~green8[i];
|
green8[i] = ~green8[i];
|
blue8[i] = ~blue8[i];
|
blue8[i] = ~blue8[i];
|
}
|
}
|
for (i = 0; i < 4; i++) {
|
for (i = 0; i < 4; i++) {
|
red4[i] = ~red4[i];
|
red4[i] = ~red4[i];
|
green4[i] = ~green4[i];
|
green4[i] = ~green4[i];
|
blue4[i] = ~blue4[i];
|
blue4[i] = ~blue4[i];
|
}
|
}
|
for (i = 0; i < 2; i++) {
|
for (i = 0; i < 2; i++) {
|
red2[i] = ~red2[i];
|
red2[i] = ~red2[i];
|
green2[i] = ~green2[i];
|
green2[i] = ~green2[i];
|
blue2[i] = ~blue2[i];
|
blue2[i] = ~blue2[i];
|
}
|
}
|
} else if (!strcmp(this_opt, "ilbm"))
|
} else if (!strcmp(this_opt, "ilbm"))
|
amifb_ilbm = 1;
|
amifb_ilbm = 1;
|
else if (!strcmp(this_opt, "pwrsave"))
|
else if (!strcmp(this_opt, "pwrsave"))
|
pwrsave = 1;
|
pwrsave = 1;
|
else if (!strncmp(this_opt, "monitorcap:", 11))
|
else if (!strncmp(this_opt, "monitorcap:", 11))
|
strcpy(mcap_spec, this_opt+11);
|
strcpy(mcap_spec, this_opt+11);
|
else if (!strncmp(this_opt, "font:", 5))
|
else if (!strncmp(this_opt, "font:", 5))
|
strcpy(fb_info.fontname, this_opt+5);
|
strcpy(fb_info.fontname, this_opt+5);
|
else
|
else
|
amifb_mode = get_video_mode(this_opt);
|
amifb_mode = get_video_mode(this_opt);
|
|
|
if (*mcap_spec) {
|
if (*mcap_spec) {
|
char *p;
|
char *p;
|
int vmin, vmax, hmin, hmax;
|
int vmin, vmax, hmin, hmax;
|
|
|
/* Format for monitor capabilities is: <Vmin>;<Vmax>;<Hmin>;<Hmax>
|
/* Format for monitor capabilities is: <Vmin>;<Vmax>;<Hmin>;<Hmax>
|
* <V*> vertical freq. in Hz
|
* <V*> vertical freq. in Hz
|
* <H*> horizontal freq. in kHz
|
* <H*> horizontal freq. in kHz
|
*/
|
*/
|
|
|
if (!(p = strtoke(mcap_spec, ";")) || !*p)
|
if (!(p = strtoke(mcap_spec, ";")) || !*p)
|
goto cap_invalid;
|
goto cap_invalid;
|
vmin = simple_strtoul(p, NULL, 10);
|
vmin = simple_strtoul(p, NULL, 10);
|
if (vmin <= 0)
|
if (vmin <= 0)
|
goto cap_invalid;
|
goto cap_invalid;
|
if (!(p = strtoke(NULL, ";")) || !*p)
|
if (!(p = strtoke(NULL, ";")) || !*p)
|
goto cap_invalid;
|
goto cap_invalid;
|
vmax = simple_strtoul(p, NULL, 10);
|
vmax = simple_strtoul(p, NULL, 10);
|
if (vmax <= 0 || vmax <= vmin)
|
if (vmax <= 0 || vmax <= vmin)
|
goto cap_invalid;
|
goto cap_invalid;
|
if (!(p = strtoke(NULL, ";")) || !*p)
|
if (!(p = strtoke(NULL, ";")) || !*p)
|
goto cap_invalid;
|
goto cap_invalid;
|
hmin = 1000 * simple_strtoul(p, NULL, 10);
|
hmin = 1000 * simple_strtoul(p, NULL, 10);
|
if (hmin <= 0)
|
if (hmin <= 0)
|
goto cap_invalid;
|
goto cap_invalid;
|
if (!(p = strtoke(NULL, "")) || !*p)
|
if (!(p = strtoke(NULL, "")) || !*p)
|
goto cap_invalid;
|
goto cap_invalid;
|
hmax = 1000 * simple_strtoul(p, NULL, 10);
|
hmax = 1000 * simple_strtoul(p, NULL, 10);
|
if (hmax <= 0 || hmax <= hmin)
|
if (hmax <= 0 || hmax <= hmin)
|
goto cap_invalid;
|
goto cap_invalid;
|
|
|
vfmin = vmin;
|
vfmin = vmin;
|
vfmax = vmax;
|
vfmax = vmax;
|
hfmin = hmin;
|
hfmin = hmin;
|
hfmax = hmax;
|
hfmax = hmax;
|
cap_invalid:
|
cap_invalid:
|
;
|
;
|
}
|
}
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Initialization
|
* Initialization
|
*/
|
*/
|
|
|
struct fb_info *amiga_fb_init(long *mem_start)
|
struct fb_info *amiga_fb_init(long *mem_start)
|
{
|
{
|
int err, tag, i;
|
int err, tag, i;
|
struct fb_var_screeninfo *var;
|
struct fb_var_screeninfo *var;
|
|
|
/*
|
/*
|
* Check for a Graphics Board
|
* Check for a Graphics Board
|
*/
|
*/
|
|
|
#ifdef CONFIG_FB_CYBER
|
#ifdef CONFIG_FB_CYBER
|
if (amifb_Cyber)
|
if (amifb_Cyber)
|
return(Cyber_fb_init(mem_start));
|
return(Cyber_fb_init(mem_start));
|
#endif /* CONFIG_FB_CYBER */
|
#endif /* CONFIG_FB_CYBER */
|
|
|
/*
|
/*
|
* Use the Builtin Chipset
|
* Use the Builtin Chipset
|
*/
|
*/
|
|
|
if (!AMIGAHW_PRESENT(AMI_VIDEO))
|
if (!AMIGAHW_PRESENT(AMI_VIDEO))
|
return(NULL);
|
return(NULL);
|
|
|
#ifdef USE_MONO_AMIFB_IF_NON_AGA
|
#ifdef USE_MONO_AMIFB_IF_NON_AGA
|
if (boot_info.bi_amiga.chipset != CS_AGA)
|
if (boot_info.bi_amiga.chipset != CS_AGA)
|
return(mono_amiga_fb_init(mem_start));
|
return(mono_amiga_fb_init(mem_start));
|
#endif /* USE_MONO_AMIFB_IF_NON_AGA */
|
#endif /* USE_MONO_AMIFB_IF_NON_AGA */
|
|
|
switch (boot_info.bi_amiga.chipset) {
|
switch (boot_info.bi_amiga.chipset) {
|
#ifdef CONFIG_AMIFB_OCS
|
#ifdef CONFIG_AMIFB_OCS
|
case CS_OCS:
|
case CS_OCS:
|
strcat(amiga_fb_name, "OCS");
|
strcat(amiga_fb_name, "OCS");
|
default_chipset:
|
default_chipset:
|
fbhw = &ocs_switch;
|
fbhw = &ocs_switch;
|
maxdepth[TAG_SHRES-1] = 0; /* OCS means no SHRES */
|
maxdepth[TAG_SHRES-1] = 0; /* OCS means no SHRES */
|
maxdepth[TAG_HIRES-1] = 4;
|
maxdepth[TAG_HIRES-1] = 4;
|
maxdepth[TAG_LORES-1] = 6;
|
maxdepth[TAG_LORES-1] = 6;
|
break;
|
break;
|
#endif /* CONFIG_AMIFB_OCS */
|
#endif /* CONFIG_AMIFB_OCS */
|
|
|
#ifdef CONFIG_AMIFB_ECS
|
#ifdef CONFIG_AMIFB_ECS
|
case CS_ECS:
|
case CS_ECS:
|
strcat(amiga_fb_name, "ECS");
|
strcat(amiga_fb_name, "ECS");
|
fbhw = &ecs_switch;
|
fbhw = &ecs_switch;
|
maxdepth[TAG_SHRES-1] = 2;
|
maxdepth[TAG_SHRES-1] = 2;
|
maxdepth[TAG_HIRES-1] = 4;
|
maxdepth[TAG_HIRES-1] = 4;
|
maxdepth[TAG_LORES-1] = 6;
|
maxdepth[TAG_LORES-1] = 6;
|
break;
|
break;
|
#endif /* CONFIG_AMIFB_ECS */
|
#endif /* CONFIG_AMIFB_ECS */
|
|
|
#ifdef CONFIG_AMIFB_AGA
|
#ifdef CONFIG_AMIFB_AGA
|
case CS_AGA:
|
case CS_AGA:
|
strcat(amiga_fb_name, "AGA");
|
strcat(amiga_fb_name, "AGA");
|
fbhw = &aga_switch;
|
fbhw = &aga_switch;
|
maxdepth[TAG_SHRES-1] = 8;
|
maxdepth[TAG_SHRES-1] = 8;
|
maxdepth[TAG_HIRES-1] = 8;
|
maxdepth[TAG_HIRES-1] = 8;
|
maxdepth[TAG_LORES-1] = 8;
|
maxdepth[TAG_LORES-1] = 8;
|
break;
|
break;
|
#endif /* CONFIG_AMIFB_AGA */
|
#endif /* CONFIG_AMIFB_AGA */
|
|
|
default:
|
default:
|
#ifdef CONFIG_AMIFB_OCS
|
#ifdef CONFIG_AMIFB_OCS
|
printk("Unknown graphics chipset, defaulting to OCS\n");
|
printk("Unknown graphics chipset, defaulting to OCS\n");
|
strcat(amiga_fb_name, "Unknown");
|
strcat(amiga_fb_name, "Unknown");
|
goto default_chipset;
|
goto default_chipset;
|
#else /* CONFIG_AMIFB_OCS */
|
#else /* CONFIG_AMIFB_OCS */
|
panic("Unknown graphics chipset, no default driver");
|
panic("Unknown graphics chipset, no default driver");
|
#endif /* CONFIG_AMIFB_OCS */
|
#endif /* CONFIG_AMIFB_OCS */
|
break;
|
break;
|
}
|
}
|
|
|
/*
|
/*
|
* Calculate the Pixel Clock Values for this Machine
|
* Calculate the Pixel Clock Values for this Machine
|
*/
|
*/
|
|
|
__asm("movel %3,%%d0;"
|
__asm("movel %3,%%d0;"
|
"movel #0x00000005,%%d1;" /* 25E9: SHRES: 35 ns / 28 MHz */
|
"movel #0x00000005,%%d1;" /* 25E9: SHRES: 35 ns / 28 MHz */
|
"movel #0xd21dba00,%%d2;"
|
"movel #0xd21dba00,%%d2;"
|
"divul %%d0,%%d1,%%d2;"
|
"divul %%d0,%%d1,%%d2;"
|
"movel %%d2,%0;"
|
"movel %%d2,%0;"
|
"movel #0x0000000b,%%d1;" /* 50E9: HIRES: 70 ns / 14 MHz */
|
"movel #0x0000000b,%%d1;" /* 50E9: HIRES: 70 ns / 14 MHz */
|
"movel #0xa43b7400,%%d2;"
|
"movel #0xa43b7400,%%d2;"
|
"divul %%d0,%%d1,%%d2;"
|
"divul %%d0,%%d1,%%d2;"
|
"movel %%d2,%1;"
|
"movel %%d2,%1;"
|
"movel #0x00000017,%%d1;" /* 100E9: LORES: 140 ns / 7 MHz */
|
"movel #0x00000017,%%d1;" /* 100E9: LORES: 140 ns / 7 MHz */
|
"movel #0x4876e800,%%d2;"
|
"movel #0x4876e800,%%d2;"
|
"divul %%d0,%%d1,%%d2;"
|
"divul %%d0,%%d1,%%d2;"
|
"movel %%d2,%2"
|
"movel %%d2,%2"
|
: "=r" (pixclock[TAG_SHRES-1]), "=r" (pixclock[TAG_HIRES-1]),
|
: "=r" (pixclock[TAG_SHRES-1]), "=r" (pixclock[TAG_HIRES-1]),
|
"=r" (pixclock[TAG_LORES-1])
|
"=r" (pixclock[TAG_LORES-1])
|
: "r" (amiga_eclock)
|
: "r" (amiga_eclock)
|
: "%%d0", "%%d1", "%%d2");
|
: "%%d0", "%%d1", "%%d2");
|
|
|
/*
|
/*
|
* Replace the Tag Values with the Real Pixel Clock Values
|
* Replace the Tag Values with the Real Pixel Clock Values
|
*/
|
*/
|
|
|
for (i = 0; i < NUM_PREDEF_MODES; i++) {
|
for (i = 0; i < NUM_PREDEF_MODES; i++) {
|
tag = amiga_fb_predefined[i].pixclock;
|
tag = amiga_fb_predefined[i].pixclock;
|
if (tag == TAG_SHRES || tag == TAG_HIRES || tag == TAG_LORES) {
|
if (tag == TAG_SHRES || tag == TAG_HIRES || tag == TAG_LORES) {
|
amiga_fb_predefined[i].pixclock = pixclock[tag-1];
|
amiga_fb_predefined[i].pixclock = pixclock[tag-1];
|
if (amiga_fb_predefined[i].bits_per_pixel > maxdepth[tag-1])
|
if (amiga_fb_predefined[i].bits_per_pixel > maxdepth[tag-1])
|
amiga_fb_predefined[i].bits_per_pixel = maxdepth[tag-1];
|
amiga_fb_predefined[i].bits_per_pixel = maxdepth[tag-1];
|
}
|
}
|
}
|
}
|
|
|
err = register_framebuffer(amiga_fb_name, &node, &amiga_fb_ops,
|
err = register_framebuffer(amiga_fb_name, &node, &amiga_fb_ops,
|
NUM_TOTAL_MODES, amiga_fb_predefined);
|
NUM_TOTAL_MODES, amiga_fb_predefined);
|
if (err < 0)
|
if (err < 0)
|
panic("Cannot register frame buffer");
|
panic("Cannot register frame buffer");
|
|
|
fbhw->init();
|
fbhw->init();
|
check_default_mode();
|
check_default_mode();
|
|
|
if (!add_isr(IRQ_AMIGA_VERTB, amifb_interrupt, 0, NULL, "frame buffer"))
|
if (!add_isr(IRQ_AMIGA_VERTB, amifb_interrupt, 0, NULL, "frame buffer"))
|
panic("Couldn't add vblank interrupt");
|
panic("Couldn't add vblank interrupt");
|
|
|
strcpy(fb_info.modename, amiga_fb_name);
|
strcpy(fb_info.modename, amiga_fb_name);
|
fb_info.disp = disp;
|
fb_info.disp = disp;
|
fb_info.switch_con = &amifb_switch;
|
fb_info.switch_con = &amifb_switch;
|
fb_info.updatevar = &amifb_updatevar;
|
fb_info.updatevar = &amifb_updatevar;
|
fb_info.blank = &amifb_blank;
|
fb_info.blank = &amifb_blank;
|
|
|
var = &amiga_fb_predefined[amifb_mode];
|
var = &amiga_fb_predefined[amifb_mode];
|
do_fb_set_var(var, 1);
|
do_fb_set_var(var, 1);
|
strcat(fb_info.modename, " ");
|
strcat(fb_info.modename, " ");
|
strcat(fb_info.modename, amiga_fb_modenames[amifb_mode]);
|
strcat(fb_info.modename, amiga_fb_modenames[amifb_mode]);
|
|
|
amiga_fb_get_var(&disp[0].var, -1);
|
amiga_fb_get_var(&disp[0].var, -1);
|
amiga_fb_set_disp(-1);
|
amiga_fb_set_disp(-1);
|
do_install_cmap(0);
|
do_install_cmap(0);
|
return(&fb_info);
|
return(&fb_info);
|
}
|
}
|
|
|
|
|
static int amifb_switch(int con)
|
static int amifb_switch(int con)
|
{
|
{
|
/* Do we have to save the colormap? */
|
/* Do we have to save the colormap? */
|
if (disp[currcon].cmap.len)
|
if (disp[currcon].cmap.len)
|
do_fb_get_cmap(&disp[currcon].cmap, &disp[currcon].var, 1);
|
do_fb_get_cmap(&disp[currcon].cmap, &disp[currcon].var, 1);
|
|
|
do_fb_set_var(&disp[con].var, 1);
|
do_fb_set_var(&disp[con].var, 1);
|
currcon = con;
|
currcon = con;
|
/* Install new colormap */
|
/* Install new colormap */
|
do_install_cmap(con);
|
do_install_cmap(con);
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Update the `var' structure (called by fbcon.c)
|
* Update the `var' structure (called by fbcon.c)
|
*
|
*
|
* This call looks only at yoffset and the FB_VMODE_YWRAP flag in `var'.
|
* This call looks only at yoffset and the FB_VMODE_YWRAP flag in `var'.
|
* Since it's called by a kernel driver, no range checking is done.
|
* Since it's called by a kernel driver, no range checking is done.
|
*/
|
*/
|
|
|
static int amifb_updatevar(int con)
|
static int amifb_updatevar(int con)
|
{
|
{
|
do_vmode = 0;
|
do_vmode = 0;
|
current_par.yoffset = disp[con].var.yoffset;
|
current_par.yoffset = disp[con].var.yoffset;
|
current_par.vmode = disp[con].var.vmode;
|
current_par.vmode = disp[con].var.vmode;
|
current_par.bplpt0 = ZTWO_PADDR((u_long)videomemory+
|
current_par.bplpt0 = ZTWO_PADDR((u_long)videomemory+
|
current_par.yoffset*current_par.next_line);
|
current_par.yoffset*current_par.next_line);
|
do_vmode = 1;
|
do_vmode = 1;
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Blank the display.
|
* Blank the display.
|
*/
|
*/
|
|
|
static void amifb_blank(int blank)
|
static void amifb_blank(int blank)
|
{
|
{
|
do_blank = blank ? 1 : -1;
|
do_blank = blank ? 1 : -1;
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* VBlank Display Interrupt
|
* VBlank Display Interrupt
|
*/
|
*/
|
|
|
static void amifb_interrupt(int irq, struct pt_regs *fp, void *dummy)
|
static void amifb_interrupt(int irq, struct pt_regs *fp, void *dummy)
|
{
|
{
|
static int is_laced = 0;
|
static int is_laced = 0;
|
|
|
#if 0
|
#if 0
|
/*
|
/*
|
* This test should be here, in case current_par isn't initialized yet
|
* This test should be here, in case current_par isn't initialized yet
|
*
|
*
|
* Fortunately only do_flashcursor() will be called in that case, and
|
* Fortunately only do_flashcursor() will be called in that case, and
|
* currently that function doesn't use current_par. But this may change
|
* currently that function doesn't use current_par. But this may change
|
* in future...
|
* in future...
|
*/
|
*/
|
if (!current_par_valid)
|
if (!current_par_valid)
|
return;
|
return;
|
#endif
|
#endif
|
|
|
/*
|
/*
|
* If interlaced, only change the display on a long frame
|
* If interlaced, only change the display on a long frame
|
*/
|
*/
|
|
|
if (!is_laced || custom.vposr & 0x8000) {
|
if (!is_laced || custom.vposr & 0x8000) {
|
if (do_vmode) {
|
if (do_vmode) {
|
fbhw->do_vmode();
|
fbhw->do_vmode();
|
do_vmode = 0;
|
do_vmode = 0;
|
is_laced = (current_par.vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED;
|
is_laced = (current_par.vmode & FB_VMODE_MASK) == FB_VMODE_INTERLACED;
|
}
|
}
|
if (do_movecursor) {
|
if (do_movecursor) {
|
fbhw->do_movecursor();
|
fbhw->do_movecursor();
|
do_movecursor = 0;
|
do_movecursor = 0;
|
}
|
}
|
}
|
}
|
if (do_blank) {
|
if (do_blank) {
|
fbhw->do_blank(do_blank > 0 ? 1 : 0);
|
fbhw->do_blank(do_blank > 0 ? 1 : 0);
|
do_blank = 0;
|
do_blank = 0;
|
}
|
}
|
if (!is_blanked)
|
if (!is_blanked)
|
fbhw->do_flashcursor();
|
fbhw->do_flashcursor();
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* A strtok which returns empty strings, too
|
* A strtok which returns empty strings, too
|
*/
|
*/
|
|
|
static char * strtoke(char * s,const char * ct)
|
static char * strtoke(char * s,const char * ct)
|
{
|
{
|
char *sbegin, *send;
|
char *sbegin, *send;
|
static char *ssave = NULL;
|
static char *ssave = NULL;
|
|
|
sbegin = s ? s : ssave;
|
sbegin = s ? s : ssave;
|
if (!sbegin)
|
if (!sbegin)
|
return(NULL);
|
return(NULL);
|
if (*sbegin == '\0') {
|
if (*sbegin == '\0') {
|
ssave = NULL;
|
ssave = NULL;
|
return(NULL);
|
return(NULL);
|
}
|
}
|
send = strpbrk(sbegin, ct);
|
send = strpbrk(sbegin, ct);
|
if (send && *send != '\0')
|
if (send && *send != '\0')
|
*send++ = '\0';
|
*send++ = '\0';
|
ssave = send;
|
ssave = send;
|
return(sbegin);
|
return(sbegin);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Get a Video Modes
|
* Get a Video Modes
|
*/
|
*/
|
|
|
static int get_video_mode(const char *name)
|
static int get_video_mode(const char *name)
|
{
|
{
|
int i;
|
int i;
|
|
|
for (i = 1; i < NUM_PREDEF_MODES; i++)
|
for (i = 1; i < NUM_PREDEF_MODES; i++)
|
if (!strcmp(name, amiga_fb_modenames[i]))
|
if (!strcmp(name, amiga_fb_modenames[i]))
|
return(i);
|
return(i);
|
return(0);
|
return(0);
|
}
|
}
|
|
|
|
|
/*
|
/*
|
* Check the Default Video Mode
|
* Check the Default Video Mode
|
*/
|
*/
|
|
|
static void check_default_mode(void)
|
static void check_default_mode(void)
|
{
|
{
|
struct fb_var_screeninfo var;
|
struct fb_var_screeninfo var;
|
|
|
/* First check the user supplied or system default video mode */
|
/* First check the user supplied or system default video mode */
|
if (amifb_mode) {
|
if (amifb_mode) {
|
var = amiga_fb_predefined[amifb_mode];
|
var = amiga_fb_predefined[amifb_mode];
|
var.activate = FB_ACTIVATE_TEST;
|
var.activate = FB_ACTIVATE_TEST;
|
if (!do_fb_set_var(&var, 1))
|
if (!do_fb_set_var(&var, 1))
|
goto found_video_mode;
|
goto found_video_mode;
|
}
|
}
|
|
|
/* Try some other modes... */
|
/* Try some other modes... */
|
printk("Can't use default video mode. Probing video modes...\n");
|
printk("Can't use default video mode. Probing video modes...\n");
|
for (amifb_mode = 1; amifb_mode < NUM_PREDEF_MODES; amifb_mode++) {
|
for (amifb_mode = 1; amifb_mode < NUM_PREDEF_MODES; amifb_mode++) {
|
var = amiga_fb_predefined[amifb_mode];
|
var = amiga_fb_predefined[amifb_mode];
|
var.activate = FB_ACTIVATE_TEST;
|
var.activate = FB_ACTIVATE_TEST;
|
if (!do_fb_set_var(&var, 1))
|
if (!do_fb_set_var(&var, 1))
|
goto found_video_mode;
|
goto found_video_mode;
|
}
|
}
|
panic("Can't find any usable video mode");
|
panic("Can't find any usable video mode");
|
|
|
found_video_mode:
|
found_video_mode:
|
amiga_fb_predefined[0] = var;
|
amiga_fb_predefined[0] = var;
|
}
|
}
|
|
|
