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1275 |
phoenix |
/*
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* Crystal SoundFusion CS46xx driver
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*
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* Copyright 1998-2001 Cirrus Logic Corporation <pcaudio@crystal.cirrus.com>
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* <twoller@crystal.cirrus.com>
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* Copyright 1999-2000 Jaroslav Kysela <perex@suse.cz>
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* Copyright 2000 Alan Cox <alan@redhat.com>
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*
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* The core of this code is taken from the ALSA project driver by
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* Jaroslav. Please send Jaroslav the credit for the driver and
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* report bugs in this port to <alan@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* Current maintainers:
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* Cirrus Logic Corporation, Thomas Woller (tw)
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* <twoller@crystal.cirrus.com>
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* Nils Faerber (nf)
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* <nils@kernelconcepts.de>
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* Thanks to David Pollard for testing.
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*
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* Changes:
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* 20000909-nf Changed cs_read, cs_write and drain_dac
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* 20001025-tw Separate Playback/Capture structs and buffers.
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* Added Scatter/Gather support for Playback.
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* Added Capture.
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* 20001027-nf Port to kernel 2.4.0-test9, some clean-ups
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* Start of powermanagement support (CS46XX_PM).
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* 20001128-tw Add module parm for default buffer order.
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* added DMA_GFP flag to kmalloc dma buffer allocs.
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* backfill silence to eliminate stuttering on
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* underruns.
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* 20001201-tw add resyncing of swptr on underruns.
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* 20001205-tw-nf fixed GETOSPACE ioctl() after open()
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* 20010113-tw patch from Hans Grobler general cleanup.
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* 20010117-tw 2.4.0 pci cleanup, wrapper code for 2.2.16-2.4.0
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* 20010118-tw basic PM support for 2.2.16+ and 2.4.0/2.4.2.
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* 20010228-dh patch from David Huggins - cs_update_ptr recursion.
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* 20010409-tw add hercules game theatre XP amp code.
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* 20010420-tw cleanup powerdown/up code.
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* 20010521-tw eliminate pops, and fixes for powerdown.
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* 20010525-tw added fixes for thinkpads with powerdown logic.
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* 20010723-sh patch from Horms (Simon Horman) -
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* SOUND_PCM_READ_BITS returns bits as set in driver
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* rather than a logical or of the possible values.
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* Various ioctls handle the case where the device
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* is open for reading or writing but not both better.
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*
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* Status:
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* Playback/Capture supported from 8k-48k.
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* 16Bit Signed LE & 8Bit Unsigned, with Mono or Stereo supported.
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*
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* APM/PM - 2.2.x APM is enabled and functioning fine. APM can also
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* be enabled for 2.4.x by modifying the CS46XX_ACPI_SUPPORT macro
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* definition.
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*
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* Hercules Game Theatre XP - the EGPIO2 pin controls the external Amp,
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* so, use the drain/polarity to enable.
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* hercules_egpio_disable set to 1, will force a 0 to EGPIODR.
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*
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* VTB Santa Cruz - the GPIO7/GPIO8 on the Secondary Codec control
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* the external amplifier for the "back" speakers, since we do not
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* support the secondary codec then this external amp is also not
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* turned on.
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*/
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#include <linux/list.h>
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#include <linux/version.h>
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#include <linux/module.h>
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#include <linux/string.h>
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#include <linux/ioport.h>
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#include <linux/sched.h>
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#include <linux/delay.h>
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#include <linux/sound.h>
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#include <linux/slab.h>
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#include <linux/soundcard.h>
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#include <linux/pci.h>
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#include <linux/bitops.h>
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#include <asm/io.h>
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#include <asm/dma.h>
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#include <linux/init.h>
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#include <linux/poll.h>
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#include <linux/smp_lock.h>
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#include <linux/wrapper.h>
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#include <asm/uaccess.h>
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#include <asm/hardirq.h>
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#include <linux/ac97_codec.h>
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#include "cs46xxpm-24.h"
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#include "cs46xx_wrapper-24.h"
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#include "cs461x.h"
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/* MIDI buffer sizes */
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#define CS_MIDIINBUF 500
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#define CS_MIDIOUTBUF 500
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#define ADC_RUNNING 1
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#define DAC_RUNNING 2
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#define CS_FMT_16BIT 1 /* These are fixed in fact */
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#define CS_FMT_STEREO 2
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#define CS_FMT_MASK 3
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#define CS_TYPE_ADC 1
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#define CS_TYPE_DAC 2
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#define CS_TRUE 1
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#define CS_FALSE 0
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#define CS_INC_USE_COUNT(m) (atomic_inc(m))
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#define CS_DEC_USE_COUNT(m) (atomic_dec(m))
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#define CS_DEC_AND_TEST(m) (atomic_dec_and_test(m))
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#define CS_IN_USE(m) (atomic_read(m) != 0)
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#define CS_DBGBREAKPOINT {__asm__("INT $3");}
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/*
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* CS461x definitions
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*/
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#define CS461X_BA0_SIZE 0x2000
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#define CS461X_BA1_DATA0_SIZE 0x3000
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#define CS461X_BA1_DATA1_SIZE 0x3800
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#define CS461X_BA1_PRG_SIZE 0x7000
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#define CS461X_BA1_REG_SIZE 0x0100
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#define GOF_PER_SEC 200
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#define CSDEBUG_INTERFACE 1
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#define CSDEBUG 1
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/*
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* Turn on/off debugging compilation by using 1/0 respectively for CSDEBUG
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*
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*
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* CSDEBUG is usual mode is set to 1, then use the
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* cs_debuglevel and cs_debugmask to turn on or off debugging.
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* Debug level of 1 has been defined to be kernel errors and info
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* that should be printed on any released driver.
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*/
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#if CSDEBUG
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#define CS_DBGOUT(mask,level,x) if((cs_debuglevel >= (level)) && ((mask) & cs_debugmask)) {x;}
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#else
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#define CS_DBGOUT(mask,level,x)
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#endif
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/*
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* cs_debugmask areas
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*/
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#define CS_INIT 0x00000001 /* initialization and probe functions */
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#define CS_ERROR 0x00000002 /* tmp debugging bit placeholder */
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#define CS_INTERRUPT 0x00000004 /* interrupt handler (separate from all other) */
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#define CS_FUNCTION 0x00000008 /* enter/leave functions */
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#define CS_WAVE_WRITE 0x00000010 /* write information for wave */
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#define CS_WAVE_READ 0x00000020 /* read information for wave */
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#define CS_MIDI_WRITE 0x00000040 /* write information for midi */
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#define CS_MIDI_READ 0x00000080 /* read information for midi */
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#define CS_MPU401_WRITE 0x00000100 /* write information for mpu401 */
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#define CS_MPU401_READ 0x00000200 /* read information for mpu401 */
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#define CS_OPEN 0x00000400 /* all open functions in the driver */
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#define CS_RELEASE 0x00000800 /* all release functions in the driver */
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#define CS_PARMS 0x00001000 /* functional and operational parameters */
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#define CS_IOCTL 0x00002000 /* ioctl (non-mixer) */
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#define CS_PM 0x00004000 /* PM */
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#define CS_TMP 0x10000000 /* tmp debug mask bit */
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#define CS_IOCTL_CMD_SUSPEND 0x1 // suspend
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#define CS_IOCTL_CMD_RESUME 0x2 // resume
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#if CSDEBUG
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static unsigned long cs_debuglevel=1; /* levels range from 1-9 */
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MODULE_PARM(cs_debuglevel, "i");
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static unsigned long cs_debugmask=CS_INIT | CS_ERROR; /* use CS_DBGOUT with various mask values */
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MODULE_PARM(cs_debugmask, "i");
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#endif
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static unsigned long hercules_egpio_disable=0; /* if non-zero set all EGPIO to 0 */
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MODULE_PARM(hercules_egpio_disable, "i");
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static unsigned long initdelay=700; /* PM delay in millisecs */
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MODULE_PARM(initdelay, "i");
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static unsigned long powerdown=-1; /* turn on/off powerdown processing in driver */
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MODULE_PARM(powerdown, "i");
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#define DMABUF_DEFAULTORDER 3
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static unsigned long defaultorder=DMABUF_DEFAULTORDER;
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MODULE_PARM(defaultorder, "i");
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static int external_amp;
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MODULE_PARM(external_amp, "i");
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static int thinkpad;
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MODULE_PARM(thinkpad, "i");
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/*
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* set the powerdown module parm to 0 to disable all
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* powerdown. also set thinkpad to 1 to disable powerdown,
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* but also to enable the clkrun functionality.
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*/
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static unsigned cs_powerdown=1;
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static unsigned cs_laptop_wait=1;
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/* An instance of the 4610 channel */
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struct cs_channel
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{
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int used;
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int num;
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void *state;
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};
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#define CS46XX_MAJOR_VERSION "1"
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#define CS46XX_MINOR_VERSION "28"
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#ifdef __ia64__
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#define CS46XX_ARCH "64" //architecture key
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#else
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#define CS46XX_ARCH "32" //architecture key
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#endif
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struct list_head cs46xx_devs = { &cs46xx_devs, &cs46xx_devs };
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/* magic numbers to protect our data structures */
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#define CS_CARD_MAGIC 0x43525553 /* "CRUS" */
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#define CS_STATE_MAGIC 0x4c4f4749 /* "LOGI" */
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#define NR_HW_CH 3
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/* maxinum number of AC97 codecs connected, AC97 2.0 defined 4 */
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#define NR_AC97 2
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static const unsigned sample_size[] = { 1, 2, 2, 4 };
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static const unsigned sample_shift[] = { 0, 1, 1, 2 };
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/* "software" or virtual channel, an instance of opened /dev/dsp */
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struct cs_state {
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unsigned int magic;
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struct cs_card *card; /* Card info */
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/* single open lock mechanism, only used for recording */
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struct semaphore open_sem;
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wait_queue_head_t open_wait;
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/* file mode */
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mode_t open_mode;
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/* virtual channel number */
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int virt;
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struct dmabuf {
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/* wave sample stuff */
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unsigned int rate;
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unsigned char fmt, enable;
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/* hardware channel */
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struct cs_channel *channel;
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int pringbuf; /* Software ring slot */
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void *pbuf; /* 4K hardware DMA buffer */
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/* OSS buffer management stuff */
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void *rawbuf;
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dma_addr_t dma_handle;
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unsigned buforder;
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unsigned numfrag;
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unsigned fragshift;
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unsigned divisor;
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unsigned type;
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void *tmpbuff; /* tmp buffer for sample conversions */
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dma_addr_t dmaaddr;
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dma_addr_t dmaaddr_tmpbuff;
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unsigned buforder_tmpbuff; /* Log base 2 of size in bytes.. */
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/* our buffer acts like a circular ring */
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unsigned hwptr; /* where dma last started, updated by update_ptr */
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unsigned swptr; /* where driver last clear/filled, updated by read/write */
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int count; /* bytes to be comsumed or been generated by dma machine */
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unsigned total_bytes; /* total bytes dmaed by hardware */
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unsigned blocks; /* total blocks */
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unsigned error; /* number of over/underruns */
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unsigned underrun; /* underrun pending before next write has occurred */
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wait_queue_head_t wait; /* put process on wait queue when no more space in buffer */
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/* redundant, but makes calculations easier */
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unsigned fragsize;
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unsigned dmasize;
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unsigned fragsamples;
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/* OSS stuff */
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unsigned mapped:1;
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unsigned ready:1;
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unsigned endcleared:1;
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unsigned SGok:1;
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unsigned update_flag;
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unsigned ossfragshift;
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int ossmaxfrags;
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unsigned subdivision;
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} dmabuf;
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/* Guard against mmap/write/read races */
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struct semaphore sem;
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};
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struct cs_card {
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struct cs_channel channel[2];
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unsigned int magic;
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/* We keep cs461x cards in a linked list */
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struct cs_card *next;
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/* The cs461x has a certain amount of cross channel interaction
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so we use a single per card lock */
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spinlock_t lock;
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/* Keep AC97 sane */
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spinlock_t ac97_lock;
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/* mixer use count */
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atomic_t mixer_use_cnt;
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/* PCI device stuff */
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struct pci_dev * pci_dev;
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struct list_head list;
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unsigned int pctl, cctl; /* Hardware DMA flag sets */
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/* soundcore stuff */
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int dev_audio;
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int dev_midi;
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/* structures for abstraction of hardware facilities, codecs, banks and channels*/
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struct ac97_codec *ac97_codec[NR_AC97];
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struct cs_state *states[2];
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u16 ac97_features;
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int amplifier; /* Amplifier control */
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void (*amplifier_ctrl)(struct cs_card *, int);
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void (*amp_init)(struct cs_card *);
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int active; /* Active clocking */
|
343 |
|
|
void (*active_ctrl)(struct cs_card *, int);
|
344 |
|
|
|
345 |
|
|
/* hardware resources */
|
346 |
|
|
unsigned long ba0_addr;
|
347 |
|
|
unsigned long ba1_addr;
|
348 |
|
|
u32 irq;
|
349 |
|
|
|
350 |
|
|
/* mappings */
|
351 |
|
|
void *ba0;
|
352 |
|
|
union
|
353 |
|
|
{
|
354 |
|
|
struct
|
355 |
|
|
{
|
356 |
|
|
u8 *data0;
|
357 |
|
|
u8 *data1;
|
358 |
|
|
u8 *pmem;
|
359 |
|
|
u8 *reg;
|
360 |
|
|
} name;
|
361 |
|
|
u8 *idx[4];
|
362 |
|
|
} ba1;
|
363 |
|
|
|
364 |
|
|
/* Function support */
|
365 |
|
|
struct cs_channel *(*alloc_pcm_channel)(struct cs_card *);
|
366 |
|
|
struct cs_channel *(*alloc_rec_pcm_channel)(struct cs_card *);
|
367 |
|
|
void (*free_pcm_channel)(struct cs_card *, int chan);
|
368 |
|
|
|
369 |
|
|
/* /dev/midi stuff */
|
370 |
|
|
struct {
|
371 |
|
|
unsigned ird, iwr, icnt;
|
372 |
|
|
unsigned ord, owr, ocnt;
|
373 |
|
|
wait_queue_head_t open_wait;
|
374 |
|
|
wait_queue_head_t iwait;
|
375 |
|
|
wait_queue_head_t owait;
|
376 |
|
|
spinlock_t lock;
|
377 |
|
|
unsigned char ibuf[CS_MIDIINBUF];
|
378 |
|
|
unsigned char obuf[CS_MIDIOUTBUF];
|
379 |
|
|
mode_t open_mode;
|
380 |
|
|
struct semaphore open_sem;
|
381 |
|
|
} midi;
|
382 |
|
|
struct cs46xx_pm pm;
|
383 |
|
|
};
|
384 |
|
|
|
385 |
|
|
static int cs_open_mixdev(struct inode *inode, struct file *file);
|
386 |
|
|
static int cs_release_mixdev(struct inode *inode, struct file *file);
|
387 |
|
|
static int cs_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd,
|
388 |
|
|
unsigned long arg);
|
389 |
|
|
static int cs_hardware_init(struct cs_card *card);
|
390 |
|
|
static int cs46xx_powerup(struct cs_card *card, unsigned int type);
|
391 |
|
|
static int cs461x_powerdown(struct cs_card *card, unsigned int type, int suspendflag);
|
392 |
|
|
static void cs461x_clear_serial_FIFOs(struct cs_card *card, int type);
|
393 |
|
|
static int cs46xx_suspend_tbl(struct pci_dev *pcidev, u32 state);
|
394 |
|
|
static int cs46xx_resume_tbl(struct pci_dev *pcidev);
|
395 |
|
|
|
396 |
|
|
static inline unsigned ld2(unsigned int x)
|
397 |
|
|
{
|
398 |
|
|
unsigned r = 0;
|
399 |
|
|
|
400 |
|
|
if (x >= 0x10000) {
|
401 |
|
|
x >>= 16;
|
402 |
|
|
r += 16;
|
403 |
|
|
}
|
404 |
|
|
if (x >= 0x100) {
|
405 |
|
|
x >>= 8;
|
406 |
|
|
r += 8;
|
407 |
|
|
}
|
408 |
|
|
if (x >= 0x10) {
|
409 |
|
|
x >>= 4;
|
410 |
|
|
r += 4;
|
411 |
|
|
}
|
412 |
|
|
if (x >= 4) {
|
413 |
|
|
x >>= 2;
|
414 |
|
|
r += 2;
|
415 |
|
|
}
|
416 |
|
|
if (x >= 2)
|
417 |
|
|
r++;
|
418 |
|
|
return r;
|
419 |
|
|
}
|
420 |
|
|
|
421 |
|
|
#if CSDEBUG
|
422 |
|
|
|
423 |
|
|
/* DEBUG ROUTINES */
|
424 |
|
|
|
425 |
|
|
#define SOUND_MIXER_CS_GETDBGLEVEL _SIOWR('M',120, int)
|
426 |
|
|
#define SOUND_MIXER_CS_SETDBGLEVEL _SIOWR('M',121, int)
|
427 |
|
|
#define SOUND_MIXER_CS_GETDBGMASK _SIOWR('M',122, int)
|
428 |
|
|
#define SOUND_MIXER_CS_SETDBGMASK _SIOWR('M',123, int)
|
429 |
|
|
#define SOUND_MIXER_CS_APM _SIOWR('M',124, int)
|
430 |
|
|
|
431 |
|
|
void printioctl(unsigned int x)
|
432 |
|
|
{
|
433 |
|
|
unsigned int i;
|
434 |
|
|
unsigned char vidx;
|
435 |
|
|
/* these values are incorrect for the ac97 driver, fix.
|
436 |
|
|
* Index of mixtable1[] member is Device ID
|
437 |
|
|
* and must be <= SOUND_MIXER_NRDEVICES.
|
438 |
|
|
* Value of array member is index into s->mix.vol[]
|
439 |
|
|
*/
|
440 |
|
|
static const unsigned char mixtable1[SOUND_MIXER_NRDEVICES] = {
|
441 |
|
|
[SOUND_MIXER_PCM] = 1, /* voice */
|
442 |
|
|
[SOUND_MIXER_LINE1] = 2, /* AUX */
|
443 |
|
|
[SOUND_MIXER_CD] = 3, /* CD */
|
444 |
|
|
[SOUND_MIXER_LINE] = 4, /* Line */
|
445 |
|
|
[SOUND_MIXER_SYNTH] = 5, /* FM */
|
446 |
|
|
[SOUND_MIXER_MIC] = 6, /* Mic */
|
447 |
|
|
[SOUND_MIXER_SPEAKER] = 7, /* Speaker */
|
448 |
|
|
[SOUND_MIXER_RECLEV] = 8, /* Recording level */
|
449 |
|
|
[SOUND_MIXER_VOLUME] = 9 /* Master Volume */
|
450 |
|
|
};
|
451 |
|
|
|
452 |
|
|
switch(x)
|
453 |
|
|
{
|
454 |
|
|
case SOUND_MIXER_CS_GETDBGMASK:
|
455 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CS_GETDBGMASK: ") );
|
456 |
|
|
break;
|
457 |
|
|
case SOUND_MIXER_CS_GETDBGLEVEL:
|
458 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CS_GETDBGLEVEL: ") );
|
459 |
|
|
break;
|
460 |
|
|
case SOUND_MIXER_CS_SETDBGMASK:
|
461 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CS_SETDBGMASK: ") );
|
462 |
|
|
break;
|
463 |
|
|
case SOUND_MIXER_CS_SETDBGLEVEL:
|
464 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CS_SETDBGLEVEL: ") );
|
465 |
|
|
break;
|
466 |
|
|
case OSS_GETVERSION:
|
467 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("OSS_GETVERSION: ") );
|
468 |
|
|
break;
|
469 |
|
|
case SNDCTL_DSP_SYNC:
|
470 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SYNC: ") );
|
471 |
|
|
break;
|
472 |
|
|
case SNDCTL_DSP_SETDUPLEX:
|
473 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETDUPLEX: ") );
|
474 |
|
|
break;
|
475 |
|
|
case SNDCTL_DSP_GETCAPS:
|
476 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETCAPS: ") );
|
477 |
|
|
break;
|
478 |
|
|
case SNDCTL_DSP_RESET:
|
479 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_RESET: ") );
|
480 |
|
|
break;
|
481 |
|
|
case SNDCTL_DSP_SPEED:
|
482 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SPEED: ") );
|
483 |
|
|
break;
|
484 |
|
|
case SNDCTL_DSP_STEREO:
|
485 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_STEREO: ") );
|
486 |
|
|
break;
|
487 |
|
|
case SNDCTL_DSP_CHANNELS:
|
488 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_CHANNELS: ") );
|
489 |
|
|
break;
|
490 |
|
|
case SNDCTL_DSP_GETFMTS:
|
491 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETFMTS: ") );
|
492 |
|
|
break;
|
493 |
|
|
case SNDCTL_DSP_SETFMT:
|
494 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETFMT: ") );
|
495 |
|
|
break;
|
496 |
|
|
case SNDCTL_DSP_POST:
|
497 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_POST: ") );
|
498 |
|
|
break;
|
499 |
|
|
case SNDCTL_DSP_GETTRIGGER:
|
500 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETTRIGGER: ") );
|
501 |
|
|
break;
|
502 |
|
|
case SNDCTL_DSP_SETTRIGGER:
|
503 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETTRIGGER: ") );
|
504 |
|
|
break;
|
505 |
|
|
case SNDCTL_DSP_GETOSPACE:
|
506 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETOSPACE: ") );
|
507 |
|
|
break;
|
508 |
|
|
case SNDCTL_DSP_GETISPACE:
|
509 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETISPACE: ") );
|
510 |
|
|
break;
|
511 |
|
|
case SNDCTL_DSP_NONBLOCK:
|
512 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_NONBLOCK: ") );
|
513 |
|
|
break;
|
514 |
|
|
case SNDCTL_DSP_GETODELAY:
|
515 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETODELAY: ") );
|
516 |
|
|
break;
|
517 |
|
|
case SNDCTL_DSP_GETIPTR:
|
518 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETIPTR: ") );
|
519 |
|
|
break;
|
520 |
|
|
case SNDCTL_DSP_GETOPTR:
|
521 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETOPTR: ") );
|
522 |
|
|
break;
|
523 |
|
|
case SNDCTL_DSP_GETBLKSIZE:
|
524 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_GETBLKSIZE: ") );
|
525 |
|
|
break;
|
526 |
|
|
case SNDCTL_DSP_SETFRAGMENT:
|
527 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETFRAGMENT: ") );
|
528 |
|
|
break;
|
529 |
|
|
case SNDCTL_DSP_SUBDIVIDE:
|
530 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SUBDIVIDE: ") );
|
531 |
|
|
break;
|
532 |
|
|
case SOUND_PCM_READ_RATE:
|
533 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_READ_RATE: ") );
|
534 |
|
|
break;
|
535 |
|
|
case SOUND_PCM_READ_CHANNELS:
|
536 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_READ_CHANNELS: ") );
|
537 |
|
|
break;
|
538 |
|
|
case SOUND_PCM_READ_BITS:
|
539 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_READ_BITS: ") );
|
540 |
|
|
break;
|
541 |
|
|
case SOUND_PCM_WRITE_FILTER:
|
542 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_WRITE_FILTER: ") );
|
543 |
|
|
break;
|
544 |
|
|
case SNDCTL_DSP_SETSYNCRO:
|
545 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SNDCTL_DSP_SETSYNCRO: ") );
|
546 |
|
|
break;
|
547 |
|
|
case SOUND_PCM_READ_FILTER:
|
548 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_PCM_READ_FILTER: ") );
|
549 |
|
|
break;
|
550 |
|
|
|
551 |
|
|
case SOUND_MIXER_PRIVATE1:
|
552 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE1: ") );
|
553 |
|
|
break;
|
554 |
|
|
case SOUND_MIXER_PRIVATE2:
|
555 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE2: ") );
|
556 |
|
|
break;
|
557 |
|
|
case SOUND_MIXER_PRIVATE3:
|
558 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE3: ") );
|
559 |
|
|
break;
|
560 |
|
|
case SOUND_MIXER_PRIVATE4:
|
561 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE4: ") );
|
562 |
|
|
break;
|
563 |
|
|
case SOUND_MIXER_PRIVATE5:
|
564 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_PRIVATE5: ") );
|
565 |
|
|
break;
|
566 |
|
|
case SOUND_MIXER_INFO:
|
567 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_INFO: ") );
|
568 |
|
|
break;
|
569 |
|
|
case SOUND_OLD_MIXER_INFO:
|
570 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_OLD_MIXER_INFO: ") );
|
571 |
|
|
break;
|
572 |
|
|
|
573 |
|
|
default:
|
574 |
|
|
switch (_IOC_NR(x))
|
575 |
|
|
{
|
576 |
|
|
case SOUND_MIXER_VOLUME:
|
577 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_VOLUME: ") );
|
578 |
|
|
break;
|
579 |
|
|
case SOUND_MIXER_SPEAKER:
|
580 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_SPEAKER: ") );
|
581 |
|
|
break;
|
582 |
|
|
case SOUND_MIXER_RECLEV:
|
583 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_RECLEV: ") );
|
584 |
|
|
break;
|
585 |
|
|
case SOUND_MIXER_MIC:
|
586 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_MIC: ") );
|
587 |
|
|
break;
|
588 |
|
|
case SOUND_MIXER_SYNTH:
|
589 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_SYNTH: ") );
|
590 |
|
|
break;
|
591 |
|
|
case SOUND_MIXER_RECSRC:
|
592 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_RECSRC: ") );
|
593 |
|
|
break;
|
594 |
|
|
case SOUND_MIXER_DEVMASK:
|
595 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_DEVMASK: ") );
|
596 |
|
|
break;
|
597 |
|
|
case SOUND_MIXER_RECMASK:
|
598 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_RECMASK: ") );
|
599 |
|
|
break;
|
600 |
|
|
case SOUND_MIXER_STEREODEVS:
|
601 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_STEREODEVS: ") );
|
602 |
|
|
break;
|
603 |
|
|
case SOUND_MIXER_CAPS:
|
604 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_CAPS:") );
|
605 |
|
|
break;
|
606 |
|
|
default:
|
607 |
|
|
i = _IOC_NR(x);
|
608 |
|
|
if (i >= SOUND_MIXER_NRDEVICES || !(vidx = mixtable1[i]))
|
609 |
|
|
{
|
610 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("UNKNOWN IOCTL: 0x%.8x NR=%d ",x,i) );
|
611 |
|
|
}
|
612 |
|
|
else
|
613 |
|
|
{
|
614 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("SOUND_MIXER_IOCTL AC9x: 0x%.8x NR=%d ",
|
615 |
|
|
x,i) );
|
616 |
|
|
}
|
617 |
|
|
break;
|
618 |
|
|
}
|
619 |
|
|
}
|
620 |
|
|
CS_DBGOUT(CS_IOCTL, 4, printk("command = 0x%x IOC_NR=%d\n",x, _IOC_NR(x)) );
|
621 |
|
|
}
|
622 |
|
|
#endif
|
623 |
|
|
|
624 |
|
|
/*
|
625 |
|
|
* common I/O routines
|
626 |
|
|
*/
|
627 |
|
|
|
628 |
|
|
static void cs461x_poke(struct cs_card *codec, unsigned long reg, unsigned int val)
|
629 |
|
|
{
|
630 |
|
|
writel(val, codec->ba1.idx[(reg >> 16) & 3]+(reg&0xffff));
|
631 |
|
|
}
|
632 |
|
|
|
633 |
|
|
static unsigned int cs461x_peek(struct cs_card *codec, unsigned long reg)
|
634 |
|
|
{
|
635 |
|
|
return readl(codec->ba1.idx[(reg >> 16) & 3]+(reg&0xffff));
|
636 |
|
|
}
|
637 |
|
|
|
638 |
|
|
static void cs461x_pokeBA0(struct cs_card *codec, unsigned long reg, unsigned int val)
|
639 |
|
|
{
|
640 |
|
|
writel(val, codec->ba0+reg);
|
641 |
|
|
}
|
642 |
|
|
|
643 |
|
|
static unsigned int cs461x_peekBA0(struct cs_card *codec, unsigned long reg)
|
644 |
|
|
{
|
645 |
|
|
return readl(codec->ba0+reg);
|
646 |
|
|
}
|
647 |
|
|
|
648 |
|
|
|
649 |
|
|
static u16 cs_ac97_get(struct ac97_codec *dev, u8 reg);
|
650 |
|
|
static void cs_ac97_set(struct ac97_codec *dev, u8 reg, u16 data);
|
651 |
|
|
|
652 |
|
|
static struct cs_channel *cs_alloc_pcm_channel(struct cs_card *card)
|
653 |
|
|
{
|
654 |
|
|
if(card->channel[1].used==1)
|
655 |
|
|
return NULL;
|
656 |
|
|
card->channel[1].used=1;
|
657 |
|
|
card->channel[1].num=1;
|
658 |
|
|
return &card->channel[1];
|
659 |
|
|
}
|
660 |
|
|
|
661 |
|
|
static struct cs_channel *cs_alloc_rec_pcm_channel(struct cs_card *card)
|
662 |
|
|
{
|
663 |
|
|
if(card->channel[0].used==1)
|
664 |
|
|
return NULL;
|
665 |
|
|
card->channel[0].used=1;
|
666 |
|
|
card->channel[0].num=0;
|
667 |
|
|
return &card->channel[0];
|
668 |
|
|
}
|
669 |
|
|
|
670 |
|
|
static void cs_free_pcm_channel(struct cs_card *card, int channel)
|
671 |
|
|
{
|
672 |
|
|
card->channel[channel].state = NULL;
|
673 |
|
|
card->channel[channel].used=0;
|
674 |
|
|
}
|
675 |
|
|
|
676 |
|
|
/*
|
677 |
|
|
* setup a divisor value to help with conversion from
|
678 |
|
|
* 16bit Stereo, down to 8bit stereo/mono or 16bit mono.
|
679 |
|
|
* assign a divisor of 1 if using 16bit Stereo as that is
|
680 |
|
|
* the only format that the static image will capture.
|
681 |
|
|
*/
|
682 |
|
|
static void cs_set_divisor(struct dmabuf *dmabuf)
|
683 |
|
|
{
|
684 |
|
|
if(dmabuf->type == CS_TYPE_DAC)
|
685 |
|
|
dmabuf->divisor = 1;
|
686 |
|
|
else if( !(dmabuf->fmt & CS_FMT_STEREO) &&
|
687 |
|
|
(dmabuf->fmt & CS_FMT_16BIT))
|
688 |
|
|
dmabuf->divisor = 2;
|
689 |
|
|
else if( (dmabuf->fmt & CS_FMT_STEREO) &&
|
690 |
|
|
!(dmabuf->fmt & CS_FMT_16BIT))
|
691 |
|
|
dmabuf->divisor = 2;
|
692 |
|
|
else if( !(dmabuf->fmt & CS_FMT_STEREO) &&
|
693 |
|
|
!(dmabuf->fmt & CS_FMT_16BIT))
|
694 |
|
|
dmabuf->divisor = 4;
|
695 |
|
|
else
|
696 |
|
|
dmabuf->divisor = 1;
|
697 |
|
|
|
698 |
|
|
CS_DBGOUT(CS_PARMS | CS_FUNCTION, 8, printk(
|
699 |
|
|
"cs46xx: cs_set_divisor()- %s %d\n",
|
700 |
|
|
(dmabuf->type == CS_TYPE_ADC) ? "ADC" : "DAC",
|
701 |
|
|
dmabuf->divisor) );
|
702 |
|
|
}
|
703 |
|
|
|
704 |
|
|
/*
|
705 |
|
|
* mute some of the more prevalent registers to avoid popping.
|
706 |
|
|
*/
|
707 |
|
|
static void cs_mute(struct cs_card *card, int state)
|
708 |
|
|
{
|
709 |
|
|
struct ac97_codec *dev=card->ac97_codec[0];
|
710 |
|
|
|
711 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_INFO "cs46xx: cs_mute()+ %s\n",
|
712 |
|
|
(state == CS_TRUE) ? "Muting" : "UnMuting") );
|
713 |
|
|
|
714 |
|
|
if(state == CS_TRUE)
|
715 |
|
|
{
|
716 |
|
|
/*
|
717 |
|
|
* fix pops when powering up on thinkpads
|
718 |
|
|
*/
|
719 |
|
|
card->pm.u32AC97_master_volume = (u32)cs_ac97_get( dev,
|
720 |
|
|
(u8)BA0_AC97_MASTER_VOLUME);
|
721 |
|
|
card->pm.u32AC97_headphone_volume = (u32)cs_ac97_get(dev,
|
722 |
|
|
(u8)BA0_AC97_HEADPHONE_VOLUME);
|
723 |
|
|
card->pm.u32AC97_master_volume_mono = (u32)cs_ac97_get(dev,
|
724 |
|
|
(u8)BA0_AC97_MASTER_VOLUME_MONO);
|
725 |
|
|
card->pm.u32AC97_pcm_out_volume = (u32)cs_ac97_get(dev,
|
726 |
|
|
(u8)BA0_AC97_PCM_OUT_VOLUME);
|
727 |
|
|
|
728 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME, 0x8000);
|
729 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_HEADPHONE_VOLUME, 0x8000);
|
730 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME_MONO, 0x8000);
|
731 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_PCM_OUT_VOLUME, 0x8000);
|
732 |
|
|
}
|
733 |
|
|
else
|
734 |
|
|
{
|
735 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME, card->pm.u32AC97_master_volume);
|
736 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_HEADPHONE_VOLUME, card->pm.u32AC97_headphone_volume);
|
737 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME_MONO, card->pm.u32AC97_master_volume_mono);
|
738 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_PCM_OUT_VOLUME, card->pm.u32AC97_pcm_out_volume);
|
739 |
|
|
}
|
740 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_INFO "cs46xx: cs_mute()-\n"));
|
741 |
|
|
}
|
742 |
|
|
|
743 |
|
|
/* set playback sample rate */
|
744 |
|
|
static unsigned int cs_set_dac_rate(struct cs_state * state, unsigned int rate)
|
745 |
|
|
{
|
746 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
747 |
|
|
unsigned int tmp1, tmp2;
|
748 |
|
|
unsigned int phiIncr;
|
749 |
|
|
unsigned int correctionPerGOF, correctionPerSec;
|
750 |
|
|
unsigned long flags;
|
751 |
|
|
|
752 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_set_dac_rate()+ %d\n",rate) );
|
753 |
|
|
|
754 |
|
|
/*
|
755 |
|
|
* Compute the values used to drive the actual sample rate conversion.
|
756 |
|
|
* The following formulas are being computed, using inline assembly
|
757 |
|
|
* since we need to use 64 bit arithmetic to compute the values:
|
758 |
|
|
*
|
759 |
|
|
* phiIncr = floor((Fs,in * 2^26) / Fs,out)
|
760 |
|
|
* correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) /
|
761 |
|
|
* GOF_PER_SEC)
|
762 |
|
|
* ulCorrectionPerSec = Fs,in * 2^26 - Fs,out * phiIncr -M
|
763 |
|
|
* GOF_PER_SEC * correctionPerGOF
|
764 |
|
|
*
|
765 |
|
|
* i.e.
|
766 |
|
|
*
|
767 |
|
|
* phiIncr:other = dividend:remainder((Fs,in * 2^26) / Fs,out)
|
768 |
|
|
* correctionPerGOF:correctionPerSec =
|
769 |
|
|
* dividend:remainder(ulOther / GOF_PER_SEC)
|
770 |
|
|
*/
|
771 |
|
|
tmp1 = rate << 16;
|
772 |
|
|
phiIncr = tmp1 / 48000;
|
773 |
|
|
tmp1 -= phiIncr * 48000;
|
774 |
|
|
tmp1 <<= 10;
|
775 |
|
|
phiIncr <<= 10;
|
776 |
|
|
tmp2 = tmp1 / 48000;
|
777 |
|
|
phiIncr += tmp2;
|
778 |
|
|
tmp1 -= tmp2 * 48000;
|
779 |
|
|
correctionPerGOF = tmp1 / GOF_PER_SEC;
|
780 |
|
|
tmp1 -= correctionPerGOF * GOF_PER_SEC;
|
781 |
|
|
correctionPerSec = tmp1;
|
782 |
|
|
|
783 |
|
|
/*
|
784 |
|
|
* Fill in the SampleRateConverter control block.
|
785 |
|
|
*/
|
786 |
|
|
|
787 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
788 |
|
|
cs461x_poke(state->card, BA1_PSRC,
|
789 |
|
|
((correctionPerSec << 16) & 0xFFFF0000) | (correctionPerGOF & 0xFFFF));
|
790 |
|
|
cs461x_poke(state->card, BA1_PPI, phiIncr);
|
791 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
792 |
|
|
dmabuf->rate = rate;
|
793 |
|
|
|
794 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_set_dac_rate()- %d\n",rate) );
|
795 |
|
|
return rate;
|
796 |
|
|
}
|
797 |
|
|
|
798 |
|
|
/* set recording sample rate */
|
799 |
|
|
static unsigned int cs_set_adc_rate(struct cs_state * state, unsigned int rate)
|
800 |
|
|
{
|
801 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
802 |
|
|
struct cs_card *card = state->card;
|
803 |
|
|
unsigned int phiIncr, coeffIncr, tmp1, tmp2;
|
804 |
|
|
unsigned int correctionPerGOF, correctionPerSec, initialDelay;
|
805 |
|
|
unsigned int frameGroupLength, cnt;
|
806 |
|
|
unsigned long flags;
|
807 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_set_adc_rate()+ %d\n",rate) );
|
808 |
|
|
|
809 |
|
|
/*
|
810 |
|
|
* We can only decimate by up to a factor of 1/9th the hardware rate.
|
811 |
|
|
* Correct the value if an attempt is made to stray outside that limit.
|
812 |
|
|
*/
|
813 |
|
|
if ((rate * 9) < 48000)
|
814 |
|
|
rate = 48000 / 9;
|
815 |
|
|
|
816 |
|
|
/*
|
817 |
|
|
* We can not capture at at rate greater than the Input Rate (48000).
|
818 |
|
|
* Return an error if an attempt is made to stray outside that limit.
|
819 |
|
|
*/
|
820 |
|
|
if (rate > 48000)
|
821 |
|
|
rate = 48000;
|
822 |
|
|
|
823 |
|
|
/*
|
824 |
|
|
* Compute the values used to drive the actual sample rate conversion.
|
825 |
|
|
* The following formulas are being computed, using inline assembly
|
826 |
|
|
* since we need to use 64 bit arithmetic to compute the values:
|
827 |
|
|
*
|
828 |
|
|
* coeffIncr = -floor((Fs,out * 2^23) / Fs,in)
|
829 |
|
|
* phiIncr = floor((Fs,in * 2^26) / Fs,out)
|
830 |
|
|
* correctionPerGOF = floor((Fs,in * 2^26 - Fs,out * phiIncr) /
|
831 |
|
|
* GOF_PER_SEC)
|
832 |
|
|
* correctionPerSec = Fs,in * 2^26 - Fs,out * phiIncr -
|
833 |
|
|
* GOF_PER_SEC * correctionPerGOF
|
834 |
|
|
* initialDelay = ceil((24 * Fs,in) / Fs,out)
|
835 |
|
|
*
|
836 |
|
|
* i.e.
|
837 |
|
|
*
|
838 |
|
|
* coeffIncr = neg(dividend((Fs,out * 2^23) / Fs,in))
|
839 |
|
|
* phiIncr:ulOther = dividend:remainder((Fs,in * 2^26) / Fs,out)
|
840 |
|
|
* correctionPerGOF:correctionPerSec =
|
841 |
|
|
* dividend:remainder(ulOther / GOF_PER_SEC)
|
842 |
|
|
* initialDelay = dividend(((24 * Fs,in) + Fs,out - 1) / Fs,out)
|
843 |
|
|
*/
|
844 |
|
|
|
845 |
|
|
tmp1 = rate << 16;
|
846 |
|
|
coeffIncr = tmp1 / 48000;
|
847 |
|
|
tmp1 -= coeffIncr * 48000;
|
848 |
|
|
tmp1 <<= 7;
|
849 |
|
|
coeffIncr <<= 7;
|
850 |
|
|
coeffIncr += tmp1 / 48000;
|
851 |
|
|
coeffIncr ^= 0xFFFFFFFF;
|
852 |
|
|
coeffIncr++;
|
853 |
|
|
tmp1 = 48000 << 16;
|
854 |
|
|
phiIncr = tmp1 / rate;
|
855 |
|
|
tmp1 -= phiIncr * rate;
|
856 |
|
|
tmp1 <<= 10;
|
857 |
|
|
phiIncr <<= 10;
|
858 |
|
|
tmp2 = tmp1 / rate;
|
859 |
|
|
phiIncr += tmp2;
|
860 |
|
|
tmp1 -= tmp2 * rate;
|
861 |
|
|
correctionPerGOF = tmp1 / GOF_PER_SEC;
|
862 |
|
|
tmp1 -= correctionPerGOF * GOF_PER_SEC;
|
863 |
|
|
correctionPerSec = tmp1;
|
864 |
|
|
initialDelay = ((48000 * 24) + rate - 1) / rate;
|
865 |
|
|
|
866 |
|
|
/*
|
867 |
|
|
* Fill in the VariDecimate control block.
|
868 |
|
|
*/
|
869 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
870 |
|
|
cs461x_poke(card, BA1_CSRC,
|
871 |
|
|
((correctionPerSec << 16) & 0xFFFF0000) | (correctionPerGOF & 0xFFFF));
|
872 |
|
|
cs461x_poke(card, BA1_CCI, coeffIncr);
|
873 |
|
|
cs461x_poke(card, BA1_CD,
|
874 |
|
|
(((BA1_VARIDEC_BUF_1 + (initialDelay << 2)) << 16) & 0xFFFF0000) | 0x80);
|
875 |
|
|
cs461x_poke(card, BA1_CPI, phiIncr);
|
876 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
877 |
|
|
|
878 |
|
|
/*
|
879 |
|
|
* Figure out the frame group length for the write back task. Basically,
|
880 |
|
|
* this is just the factors of 24000 (2^6*3*5^3) that are not present in
|
881 |
|
|
* the output sample rate.
|
882 |
|
|
*/
|
883 |
|
|
frameGroupLength = 1;
|
884 |
|
|
for (cnt = 2; cnt <= 64; cnt *= 2) {
|
885 |
|
|
if (((rate / cnt) * cnt) != rate)
|
886 |
|
|
frameGroupLength *= 2;
|
887 |
|
|
}
|
888 |
|
|
if (((rate / 3) * 3) != rate) {
|
889 |
|
|
frameGroupLength *= 3;
|
890 |
|
|
}
|
891 |
|
|
for (cnt = 5; cnt <= 125; cnt *= 5) {
|
892 |
|
|
if (((rate / cnt) * cnt) != rate)
|
893 |
|
|
frameGroupLength *= 5;
|
894 |
|
|
}
|
895 |
|
|
|
896 |
|
|
/*
|
897 |
|
|
* Fill in the WriteBack control block.
|
898 |
|
|
*/
|
899 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
900 |
|
|
cs461x_poke(card, BA1_CFG1, frameGroupLength);
|
901 |
|
|
cs461x_poke(card, BA1_CFG2, (0x00800000 | frameGroupLength));
|
902 |
|
|
cs461x_poke(card, BA1_CCST, 0x0000FFFF);
|
903 |
|
|
cs461x_poke(card, BA1_CSPB, ((65536 * rate) / 24000));
|
904 |
|
|
cs461x_poke(card, (BA1_CSPB + 4), 0x0000FFFF);
|
905 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
906 |
|
|
dmabuf->rate = rate;
|
907 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_set_adc_rate()- %d\n",rate) );
|
908 |
|
|
return rate;
|
909 |
|
|
}
|
910 |
|
|
|
911 |
|
|
/* prepare channel attributes for playback */
|
912 |
|
|
static void cs_play_setup(struct cs_state *state)
|
913 |
|
|
{
|
914 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
915 |
|
|
struct cs_card *card = state->card;
|
916 |
|
|
unsigned int tmp, Count, playFormat;
|
917 |
|
|
|
918 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_play_setup()+\n") );
|
919 |
|
|
cs461x_poke(card, BA1_PVOL, 0x80008000);
|
920 |
|
|
if(!dmabuf->SGok)
|
921 |
|
|
cs461x_poke(card, BA1_PBA, virt_to_bus(dmabuf->pbuf));
|
922 |
|
|
|
923 |
|
|
Count = 4;
|
924 |
|
|
playFormat=cs461x_peek(card, BA1_PFIE);
|
925 |
|
|
if ((dmabuf->fmt & CS_FMT_STEREO)) {
|
926 |
|
|
playFormat &= ~DMA_RQ_C2_AC_MONO_TO_STEREO;
|
927 |
|
|
Count *= 2;
|
928 |
|
|
}
|
929 |
|
|
else
|
930 |
|
|
playFormat |= DMA_RQ_C2_AC_MONO_TO_STEREO;
|
931 |
|
|
|
932 |
|
|
if ((dmabuf->fmt & CS_FMT_16BIT)) {
|
933 |
|
|
playFormat &= ~(DMA_RQ_C2_AC_8_TO_16_BIT
|
934 |
|
|
| DMA_RQ_C2_AC_SIGNED_CONVERT);
|
935 |
|
|
Count *= 2;
|
936 |
|
|
}
|
937 |
|
|
else
|
938 |
|
|
playFormat |= (DMA_RQ_C2_AC_8_TO_16_BIT
|
939 |
|
|
| DMA_RQ_C2_AC_SIGNED_CONVERT);
|
940 |
|
|
|
941 |
|
|
cs461x_poke(card, BA1_PFIE, playFormat);
|
942 |
|
|
|
943 |
|
|
tmp = cs461x_peek(card, BA1_PDTC);
|
944 |
|
|
tmp &= 0xfffffe00;
|
945 |
|
|
cs461x_poke(card, BA1_PDTC, tmp | --Count);
|
946 |
|
|
|
947 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_play_setup()-\n") );
|
948 |
|
|
|
949 |
|
|
}
|
950 |
|
|
|
951 |
|
|
struct InitStruct
|
952 |
|
|
{
|
953 |
|
|
u32 off;
|
954 |
|
|
u32 val;
|
955 |
|
|
} InitArray[] = { {0x00000040, 0x3fc0000f},
|
956 |
|
|
{0x0000004c, 0x04800000},
|
957 |
|
|
|
958 |
|
|
{0x000000b3, 0x00000780},
|
959 |
|
|
{0x000000b7, 0x00000000},
|
960 |
|
|
{0x000000bc, 0x07800000},
|
961 |
|
|
|
962 |
|
|
{0x000000cd, 0x00800000},
|
963 |
|
|
};
|
964 |
|
|
|
965 |
|
|
/*
|
966 |
|
|
* "SetCaptureSPValues()" -- Initialize record task values before each
|
967 |
|
|
* capture startup.
|
968 |
|
|
*/
|
969 |
|
|
void SetCaptureSPValues(struct cs_card *card)
|
970 |
|
|
{
|
971 |
|
|
unsigned i, offset;
|
972 |
|
|
CS_DBGOUT(CS_FUNCTION, 8, printk("cs46xx: SetCaptureSPValues()+\n") );
|
973 |
|
|
for(i=0; i<sizeof(InitArray)/sizeof(struct InitStruct); i++)
|
974 |
|
|
{
|
975 |
|
|
offset = InitArray[i].off*4; /* 8bit to 32bit offset value */
|
976 |
|
|
cs461x_poke(card, offset, InitArray[i].val );
|
977 |
|
|
}
|
978 |
|
|
CS_DBGOUT(CS_FUNCTION, 8, printk("cs46xx: SetCaptureSPValues()-\n") );
|
979 |
|
|
}
|
980 |
|
|
|
981 |
|
|
/* prepare channel attributes for recording */
|
982 |
|
|
static void cs_rec_setup(struct cs_state *state)
|
983 |
|
|
{
|
984 |
|
|
struct cs_card *card = state->card;
|
985 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
986 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_rec_setup()+\n") );
|
987 |
|
|
|
988 |
|
|
SetCaptureSPValues(card);
|
989 |
|
|
|
990 |
|
|
/*
|
991 |
|
|
* set the attenuation to 0dB
|
992 |
|
|
*/
|
993 |
|
|
cs461x_poke(card, BA1_CVOL, 0x80008000);
|
994 |
|
|
|
995 |
|
|
/*
|
996 |
|
|
* set the physical address of the capture buffer into the SP
|
997 |
|
|
*/
|
998 |
|
|
cs461x_poke(card, BA1_CBA, virt_to_bus(dmabuf->rawbuf));
|
999 |
|
|
|
1000 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_rec_setup()-\n") );
|
1001 |
|
|
}
|
1002 |
|
|
|
1003 |
|
|
|
1004 |
|
|
/* get current playback/recording dma buffer pointer (byte offset from LBA),
|
1005 |
|
|
called with spinlock held! */
|
1006 |
|
|
|
1007 |
|
|
static inline unsigned cs_get_dma_addr(struct cs_state *state)
|
1008 |
|
|
{
|
1009 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
1010 |
|
|
u32 offset;
|
1011 |
|
|
|
1012 |
|
|
if ( (!(dmabuf->enable & DAC_RUNNING)) &&
|
1013 |
|
|
(!(dmabuf->enable & ADC_RUNNING) ) )
|
1014 |
|
|
{
|
1015 |
|
|
CS_DBGOUT(CS_ERROR, 2, printk(
|
1016 |
|
|
"cs46xx: ERROR cs_get_dma_addr(): not enabled \n") );
|
1017 |
|
|
return 0;
|
1018 |
|
|
}
|
1019 |
|
|
|
1020 |
|
|
/*
|
1021 |
|
|
* ganularity is byte boundry, good part.
|
1022 |
|
|
*/
|
1023 |
|
|
if(dmabuf->enable & DAC_RUNNING)
|
1024 |
|
|
{
|
1025 |
|
|
offset = cs461x_peek(state->card, BA1_PBA);
|
1026 |
|
|
}
|
1027 |
|
|
else /* ADC_RUNNING must be set */
|
1028 |
|
|
{
|
1029 |
|
|
offset = cs461x_peek(state->card, BA1_CBA);
|
1030 |
|
|
}
|
1031 |
|
|
CS_DBGOUT(CS_PARMS | CS_FUNCTION, 9,
|
1032 |
|
|
printk("cs46xx: cs_get_dma_addr() %d\n",offset) );
|
1033 |
|
|
offset = (u32)bus_to_virt((unsigned long)offset) - (u32)dmabuf->rawbuf;
|
1034 |
|
|
CS_DBGOUT(CS_PARMS | CS_FUNCTION, 8,
|
1035 |
|
|
printk("cs46xx: cs_get_dma_addr()- %d\n",offset) );
|
1036 |
|
|
return offset;
|
1037 |
|
|
}
|
1038 |
|
|
|
1039 |
|
|
static void resync_dma_ptrs(struct cs_state *state)
|
1040 |
|
|
{
|
1041 |
|
|
struct dmabuf *dmabuf;
|
1042 |
|
|
|
1043 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: resync_dma_ptrs()+ \n") );
|
1044 |
|
|
if(state)
|
1045 |
|
|
{
|
1046 |
|
|
dmabuf = &state->dmabuf;
|
1047 |
|
|
dmabuf->hwptr=dmabuf->swptr = 0;
|
1048 |
|
|
dmabuf->pringbuf = 0;
|
1049 |
|
|
}
|
1050 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: resync_dma_ptrs()- \n") );
|
1051 |
|
|
}
|
1052 |
|
|
|
1053 |
|
|
/* Stop recording (lock held) */
|
1054 |
|
|
static inline void __stop_adc(struct cs_state *state)
|
1055 |
|
|
{
|
1056 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
1057 |
|
|
struct cs_card *card = state->card;
|
1058 |
|
|
unsigned int tmp;
|
1059 |
|
|
|
1060 |
|
|
dmabuf->enable &= ~ADC_RUNNING;
|
1061 |
|
|
|
1062 |
|
|
tmp = cs461x_peek(card, BA1_CCTL);
|
1063 |
|
|
tmp &= 0xFFFF0000;
|
1064 |
|
|
cs461x_poke(card, BA1_CCTL, tmp );
|
1065 |
|
|
}
|
1066 |
|
|
|
1067 |
|
|
static void stop_adc(struct cs_state *state)
|
1068 |
|
|
{
|
1069 |
|
|
unsigned long flags;
|
1070 |
|
|
|
1071 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: stop_adc()+ \n") );
|
1072 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
1073 |
|
|
__stop_adc(state);
|
1074 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
1075 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: stop_adc()- \n") );
|
1076 |
|
|
}
|
1077 |
|
|
|
1078 |
|
|
static void start_adc(struct cs_state *state)
|
1079 |
|
|
{
|
1080 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
1081 |
|
|
struct cs_card *card = state->card;
|
1082 |
|
|
unsigned long flags;
|
1083 |
|
|
unsigned int tmp;
|
1084 |
|
|
|
1085 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
1086 |
|
|
if (!(dmabuf->enable & ADC_RUNNING) &&
|
1087 |
|
|
((dmabuf->mapped || dmabuf->count < (signed)dmabuf->dmasize)
|
1088 |
|
|
&& dmabuf->ready) &&
|
1089 |
|
|
((card->pm.flags & CS46XX_PM_IDLE) ||
|
1090 |
|
|
(card->pm.flags & CS46XX_PM_RESUMED)) )
|
1091 |
|
|
{
|
1092 |
|
|
dmabuf->enable |= ADC_RUNNING;
|
1093 |
|
|
cs_set_divisor(dmabuf);
|
1094 |
|
|
tmp = cs461x_peek(card, BA1_CCTL);
|
1095 |
|
|
tmp &= 0xFFFF0000;
|
1096 |
|
|
tmp |= card->cctl;
|
1097 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk(
|
1098 |
|
|
"cs46xx: start_adc() poke 0x%x \n",tmp) );
|
1099 |
|
|
cs461x_poke(card, BA1_CCTL, tmp);
|
1100 |
|
|
}
|
1101 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
1102 |
|
|
}
|
1103 |
|
|
|
1104 |
|
|
/* stop playback (lock held) */
|
1105 |
|
|
static inline void __stop_dac(struct cs_state *state)
|
1106 |
|
|
{
|
1107 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
1108 |
|
|
struct cs_card *card = state->card;
|
1109 |
|
|
unsigned int tmp;
|
1110 |
|
|
|
1111 |
|
|
dmabuf->enable &= ~DAC_RUNNING;
|
1112 |
|
|
|
1113 |
|
|
tmp=cs461x_peek(card, BA1_PCTL);
|
1114 |
|
|
tmp&=0xFFFF;
|
1115 |
|
|
cs461x_poke(card, BA1_PCTL, tmp);
|
1116 |
|
|
}
|
1117 |
|
|
|
1118 |
|
|
static void stop_dac(struct cs_state *state)
|
1119 |
|
|
{
|
1120 |
|
|
unsigned long flags;
|
1121 |
|
|
|
1122 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: stop_dac()+ \n") );
|
1123 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
1124 |
|
|
__stop_dac(state);
|
1125 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
1126 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: stop_dac()- \n") );
|
1127 |
|
|
}
|
1128 |
|
|
|
1129 |
|
|
static void start_dac(struct cs_state *state)
|
1130 |
|
|
{
|
1131 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
1132 |
|
|
struct cs_card *card = state->card;
|
1133 |
|
|
unsigned long flags;
|
1134 |
|
|
int tmp;
|
1135 |
|
|
|
1136 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: start_dac()+ \n") );
|
1137 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
1138 |
|
|
if (!(dmabuf->enable & DAC_RUNNING) &&
|
1139 |
|
|
((dmabuf->mapped || dmabuf->count > 0) && dmabuf->ready) &&
|
1140 |
|
|
((card->pm.flags & CS46XX_PM_IDLE) ||
|
1141 |
|
|
(card->pm.flags & CS46XX_PM_RESUMED)) )
|
1142 |
|
|
{
|
1143 |
|
|
dmabuf->enable |= DAC_RUNNING;
|
1144 |
|
|
tmp = cs461x_peek(card, BA1_PCTL);
|
1145 |
|
|
tmp &= 0xFFFF;
|
1146 |
|
|
tmp |= card->pctl;
|
1147 |
|
|
CS_DBGOUT(CS_PARMS, 6, printk(
|
1148 |
|
|
"cs46xx: start_dac() poke card=0x%.08x tmp=0x%.08x addr=0x%.08x \n",
|
1149 |
|
|
(unsigned)card, (unsigned)tmp,
|
1150 |
|
|
(unsigned)card->ba1.idx[(BA1_PCTL >> 16) & 3]+(BA1_PCTL&0xffff) ) );
|
1151 |
|
|
cs461x_poke(card, BA1_PCTL, tmp);
|
1152 |
|
|
}
|
1153 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
1154 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: start_dac()- \n") );
|
1155 |
|
|
}
|
1156 |
|
|
|
1157 |
|
|
#define DMABUF_MINORDER 1
|
1158 |
|
|
|
1159 |
|
|
/*
|
1160 |
|
|
* allocate DMA buffer, playback and recording buffers are separate.
|
1161 |
|
|
*/
|
1162 |
|
|
static int alloc_dmabuf(struct cs_state *state)
|
1163 |
|
|
{
|
1164 |
|
|
|
1165 |
|
|
struct cs_card *card=state->card;
|
1166 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
1167 |
|
|
void *rawbuf = NULL;
|
1168 |
|
|
void *tmpbuff = NULL;
|
1169 |
|
|
int order;
|
1170 |
|
|
struct page *map, *mapend;
|
1171 |
|
|
unsigned long df;
|
1172 |
|
|
|
1173 |
|
|
dmabuf->ready = dmabuf->mapped = 0;
|
1174 |
|
|
dmabuf->SGok = 0;
|
1175 |
|
|
/*
|
1176 |
|
|
* check for order within limits, but do not overwrite value.
|
1177 |
|
|
*/
|
1178 |
|
|
if((defaultorder > 1) && (defaultorder < 12))
|
1179 |
|
|
df = defaultorder;
|
1180 |
|
|
else
|
1181 |
|
|
df = 2;
|
1182 |
|
|
|
1183 |
|
|
for (order = df; order >= DMABUF_MINORDER; order--)
|
1184 |
|
|
if ( (rawbuf = (void *) pci_alloc_consistent(
|
1185 |
|
|
card->pci_dev, PAGE_SIZE << order, &dmabuf->dmaaddr)))
|
1186 |
|
|
break;
|
1187 |
|
|
if (!rawbuf) {
|
1188 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR
|
1189 |
|
|
"cs46xx: alloc_dmabuf(): unable to allocate rawbuf\n"));
|
1190 |
|
|
return -ENOMEM;
|
1191 |
|
|
}
|
1192 |
|
|
dmabuf->buforder = order;
|
1193 |
|
|
dmabuf->rawbuf = rawbuf;
|
1194 |
|
|
// Now mark the pages as reserved; otherwise the
|
1195 |
|
|
// remap_page_range() in cs46xx_mmap doesn't work.
|
1196 |
|
|
// 1. get index to last page in mem_map array for rawbuf.
|
1197 |
|
|
mapend = virt_to_page(dmabuf->rawbuf +
|
1198 |
|
|
(PAGE_SIZE << dmabuf->buforder) - 1);
|
1199 |
|
|
|
1200 |
|
|
// 2. mark each physical page in range as 'reserved'.
|
1201 |
|
|
for (map = virt_to_page(dmabuf->rawbuf); map <= mapend; map++)
|
1202 |
|
|
cs4x_mem_map_reserve(map);
|
1203 |
|
|
|
1204 |
|
|
CS_DBGOUT(CS_PARMS, 9, printk("cs46xx: alloc_dmabuf(): allocated %ld (order = %d) bytes at %p\n",
|
1205 |
|
|
PAGE_SIZE << order, order, rawbuf) );
|
1206 |
|
|
|
1207 |
|
|
/*
|
1208 |
|
|
* only allocate the conversion buffer for the ADC
|
1209 |
|
|
*/
|
1210 |
|
|
if(dmabuf->type == CS_TYPE_DAC)
|
1211 |
|
|
{
|
1212 |
|
|
dmabuf->tmpbuff = NULL;
|
1213 |
|
|
dmabuf->buforder_tmpbuff = 0;
|
1214 |
|
|
return 0;
|
1215 |
|
|
}
|
1216 |
|
|
/*
|
1217 |
|
|
* now the temp buffer for 16/8 conversions
|
1218 |
|
|
*/
|
1219 |
|
|
|
1220 |
|
|
tmpbuff = (void *) pci_alloc_consistent(
|
1221 |
|
|
card->pci_dev, PAGE_SIZE << order, &dmabuf->dmaaddr_tmpbuff);
|
1222 |
|
|
|
1223 |
|
|
if (!tmpbuff)
|
1224 |
|
|
return -ENOMEM;
|
1225 |
|
|
CS_DBGOUT(CS_PARMS, 9, printk("cs46xx: allocated %ld (order = %d) bytes at %p\n",
|
1226 |
|
|
PAGE_SIZE << order, order, tmpbuff) );
|
1227 |
|
|
|
1228 |
|
|
dmabuf->tmpbuff = tmpbuff;
|
1229 |
|
|
dmabuf->buforder_tmpbuff = order;
|
1230 |
|
|
|
1231 |
|
|
// Now mark the pages as reserved; otherwise the
|
1232 |
|
|
// remap_page_range() in cs46xx_mmap doesn't work.
|
1233 |
|
|
// 1. get index to last page in mem_map array for rawbuf.
|
1234 |
|
|
mapend = virt_to_page(dmabuf->tmpbuff +
|
1235 |
|
|
(PAGE_SIZE << dmabuf->buforder_tmpbuff) - 1);
|
1236 |
|
|
|
1237 |
|
|
// 2. mark each physical page in range as 'reserved'.
|
1238 |
|
|
for (map = virt_to_page(dmabuf->tmpbuff); map <= mapend; map++)
|
1239 |
|
|
cs4x_mem_map_reserve(map);
|
1240 |
|
|
return 0;
|
1241 |
|
|
}
|
1242 |
|
|
|
1243 |
|
|
/* free DMA buffer */
|
1244 |
|
|
static void dealloc_dmabuf(struct cs_state *state)
|
1245 |
|
|
{
|
1246 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
1247 |
|
|
struct page *map, *mapend;
|
1248 |
|
|
|
1249 |
|
|
if (dmabuf->rawbuf) {
|
1250 |
|
|
// Undo prog_dmabuf()'s marking the pages as reserved
|
1251 |
|
|
mapend = virt_to_page(dmabuf->rawbuf +
|
1252 |
|
|
(PAGE_SIZE << dmabuf->buforder) - 1);
|
1253 |
|
|
for (map = virt_to_page(dmabuf->rawbuf); map <= mapend; map++)
|
1254 |
|
|
cs4x_mem_map_unreserve(map);
|
1255 |
|
|
free_dmabuf(state->card, dmabuf);
|
1256 |
|
|
}
|
1257 |
|
|
|
1258 |
|
|
if (dmabuf->tmpbuff) {
|
1259 |
|
|
// Undo prog_dmabuf()'s marking the pages as reserved
|
1260 |
|
|
mapend = virt_to_page(dmabuf->tmpbuff +
|
1261 |
|
|
(PAGE_SIZE << dmabuf->buforder_tmpbuff) - 1);
|
1262 |
|
|
for (map = virt_to_page(dmabuf->tmpbuff); map <= mapend; map++)
|
1263 |
|
|
cs4x_mem_map_unreserve(map);
|
1264 |
|
|
free_dmabuf2(state->card, dmabuf);
|
1265 |
|
|
}
|
1266 |
|
|
|
1267 |
|
|
dmabuf->rawbuf = NULL;
|
1268 |
|
|
dmabuf->tmpbuff = NULL;
|
1269 |
|
|
dmabuf->mapped = dmabuf->ready = 0;
|
1270 |
|
|
dmabuf->SGok = 0;
|
1271 |
|
|
}
|
1272 |
|
|
|
1273 |
|
|
static int __prog_dmabuf(struct cs_state *state)
|
1274 |
|
|
{
|
1275 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
1276 |
|
|
unsigned long flags;
|
1277 |
|
|
unsigned long allocated_pages, allocated_bytes;
|
1278 |
|
|
unsigned long tmp1, tmp2, fmt=0;
|
1279 |
|
|
unsigned long *ptmp = (unsigned long *) dmabuf->pbuf;
|
1280 |
|
|
unsigned long SGarray[9], nSGpages=0;
|
1281 |
|
|
int ret;
|
1282 |
|
|
|
1283 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf()+ \n"));
|
1284 |
|
|
/*
|
1285 |
|
|
* check for CAPTURE and use only non-sg for initial release
|
1286 |
|
|
*/
|
1287 |
|
|
if(dmabuf->type == CS_TYPE_ADC)
|
1288 |
|
|
{
|
1289 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf() ADC\n"));
|
1290 |
|
|
/*
|
1291 |
|
|
* add in non-sg support for capture.
|
1292 |
|
|
*/
|
1293 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
1294 |
|
|
/* add code to reset the rawbuf memory. TRW */
|
1295 |
|
|
resync_dma_ptrs(state);
|
1296 |
|
|
dmabuf->total_bytes = dmabuf->blocks = 0;
|
1297 |
|
|
dmabuf->count = dmabuf->error = dmabuf->underrun = 0;
|
1298 |
|
|
|
1299 |
|
|
dmabuf->SGok = 0;
|
1300 |
|
|
|
1301 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
1302 |
|
|
|
1303 |
|
|
/* allocate DMA buffer if not allocated yet */
|
1304 |
|
|
if (!dmabuf->rawbuf || !dmabuf->tmpbuff)
|
1305 |
|
|
if ((ret = alloc_dmabuf(state)))
|
1306 |
|
|
return ret;
|
1307 |
|
|
/*
|
1308 |
|
|
* static image only supports 16Bit signed, stereo - hard code fmt
|
1309 |
|
|
*/
|
1310 |
|
|
fmt = CS_FMT_16BIT | CS_FMT_STEREO;
|
1311 |
|
|
|
1312 |
|
|
dmabuf->numfrag = 2;
|
1313 |
|
|
dmabuf->fragsize = 2048;
|
1314 |
|
|
dmabuf->fragsamples = 2048 >> sample_shift[fmt];
|
1315 |
|
|
dmabuf->dmasize = 4096;
|
1316 |
|
|
dmabuf->fragshift = 11;
|
1317 |
|
|
|
1318 |
|
|
memset(dmabuf->rawbuf, (fmt & CS_FMT_16BIT) ? 0 : 0x80,
|
1319 |
|
|
dmabuf->dmasize);
|
1320 |
|
|
memset(dmabuf->tmpbuff, (fmt & CS_FMT_16BIT) ? 0 : 0x80,
|
1321 |
|
|
PAGE_SIZE<<dmabuf->buforder_tmpbuff);
|
1322 |
|
|
|
1323 |
|
|
/*
|
1324 |
|
|
* Now set up the ring
|
1325 |
|
|
*/
|
1326 |
|
|
|
1327 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
1328 |
|
|
cs_rec_setup(state);
|
1329 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
1330 |
|
|
|
1331 |
|
|
/* set the ready flag for the dma buffer */
|
1332 |
|
|
dmabuf->ready = 1;
|
1333 |
|
|
|
1334 |
|
|
CS_DBGOUT(CS_PARMS, 4, printk(
|
1335 |
|
|
"cs46xx: prog_dmabuf(): CAPTURE rate=%d fmt=0x%x numfrag=%d "
|
1336 |
|
|
"fragsize=%d dmasize=%d\n",
|
1337 |
|
|
dmabuf->rate, dmabuf->fmt, dmabuf->numfrag,
|
1338 |
|
|
dmabuf->fragsize, dmabuf->dmasize) );
|
1339 |
|
|
|
1340 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf()- 0 \n"));
|
1341 |
|
|
return 0;
|
1342 |
|
|
}
|
1343 |
|
|
else if (dmabuf->type == CS_TYPE_DAC)
|
1344 |
|
|
{
|
1345 |
|
|
/*
|
1346 |
|
|
* Must be DAC
|
1347 |
|
|
*/
|
1348 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf() DAC\n"));
|
1349 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
1350 |
|
|
resync_dma_ptrs(state);
|
1351 |
|
|
dmabuf->total_bytes = dmabuf->blocks = 0;
|
1352 |
|
|
dmabuf->count = dmabuf->error = dmabuf->underrun = 0;
|
1353 |
|
|
|
1354 |
|
|
dmabuf->SGok = 0;
|
1355 |
|
|
|
1356 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
1357 |
|
|
|
1358 |
|
|
/* allocate DMA buffer if not allocated yet */
|
1359 |
|
|
if (!dmabuf->rawbuf)
|
1360 |
|
|
if ((ret = alloc_dmabuf(state)))
|
1361 |
|
|
return ret;
|
1362 |
|
|
|
1363 |
|
|
allocated_pages = 1 << dmabuf->buforder;
|
1364 |
|
|
allocated_bytes = allocated_pages*PAGE_SIZE;
|
1365 |
|
|
|
1366 |
|
|
if(allocated_pages < 2)
|
1367 |
|
|
{
|
1368 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk(
|
1369 |
|
|
"cs46xx: prog_dmabuf() Error: allocated_pages too small (%d)\n",
|
1370 |
|
|
(unsigned)allocated_pages));
|
1371 |
|
|
return -ENOMEM;
|
1372 |
|
|
}
|
1373 |
|
|
|
1374 |
|
|
/* Use all the pages allocated, fragsize 4k. */
|
1375 |
|
|
/* Use 'pbuf' for S/G page map table. */
|
1376 |
|
|
dmabuf->SGok = 1; /* Use S/G. */
|
1377 |
|
|
|
1378 |
|
|
nSGpages = allocated_bytes/4096; /* S/G pages always 4k. */
|
1379 |
|
|
|
1380 |
|
|
/* Set up S/G variables. */
|
1381 |
|
|
*ptmp = virt_to_bus(dmabuf->rawbuf);
|
1382 |
|
|
*(ptmp+1) = 0x00000008;
|
1383 |
|
|
for(tmp1= 1; tmp1 < nSGpages; tmp1++) {
|
1384 |
|
|
*(ptmp+2*tmp1) = virt_to_bus( (dmabuf->rawbuf)+4096*tmp1);
|
1385 |
|
|
if( tmp1 == nSGpages-1)
|
1386 |
|
|
tmp2 = 0xbfff0000;
|
1387 |
|
|
else
|
1388 |
|
|
tmp2 = 0x80000000+8*(tmp1+1);
|
1389 |
|
|
*(ptmp+2*tmp1+1) = tmp2;
|
1390 |
|
|
}
|
1391 |
|
|
SGarray[0] = 0x82c0200d;
|
1392 |
|
|
SGarray[1] = 0xffff0000;
|
1393 |
|
|
SGarray[2] = *ptmp;
|
1394 |
|
|
SGarray[3] = 0x00010600;
|
1395 |
|
|
SGarray[4] = *(ptmp+2);
|
1396 |
|
|
SGarray[5] = 0x80000010;
|
1397 |
|
|
SGarray[6] = *ptmp;
|
1398 |
|
|
SGarray[7] = *(ptmp+2);
|
1399 |
|
|
SGarray[8] = (virt_to_bus(dmabuf->pbuf) & 0xffff000) | 0x10;
|
1400 |
|
|
|
1401 |
|
|
if (dmabuf->SGok) {
|
1402 |
|
|
dmabuf->numfrag = nSGpages;
|
1403 |
|
|
dmabuf->fragsize = 4096;
|
1404 |
|
|
dmabuf->fragsamples = 4096 >> sample_shift[dmabuf->fmt];
|
1405 |
|
|
dmabuf->fragshift = 12;
|
1406 |
|
|
dmabuf->dmasize = dmabuf->numfrag*4096;
|
1407 |
|
|
}
|
1408 |
|
|
else {
|
1409 |
|
|
SGarray[0] = 0xf2c0000f;
|
1410 |
|
|
SGarray[1] = 0x00000200;
|
1411 |
|
|
SGarray[2] = 0;
|
1412 |
|
|
SGarray[3] = 0x00010600;
|
1413 |
|
|
SGarray[4]=SGarray[5]=SGarray[6]=SGarray[7]=SGarray[8] = 0;
|
1414 |
|
|
dmabuf->numfrag = 2;
|
1415 |
|
|
dmabuf->fragsize = 2048;
|
1416 |
|
|
dmabuf->fragsamples = 2048 >> sample_shift[dmabuf->fmt];
|
1417 |
|
|
dmabuf->dmasize = 4096;
|
1418 |
|
|
dmabuf->fragshift = 11;
|
1419 |
|
|
}
|
1420 |
|
|
for(tmp1 = 0; tmp1 < sizeof(SGarray)/4; tmp1++)
|
1421 |
|
|
cs461x_poke( state->card, BA1_PDTC+tmp1*4, SGarray[tmp1]);
|
1422 |
|
|
|
1423 |
|
|
memset(dmabuf->rawbuf, (dmabuf->fmt & CS_FMT_16BIT) ? 0 : 0x80,
|
1424 |
|
|
dmabuf->dmasize);
|
1425 |
|
|
|
1426 |
|
|
/*
|
1427 |
|
|
* Now set up the ring
|
1428 |
|
|
*/
|
1429 |
|
|
|
1430 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
1431 |
|
|
cs_play_setup(state);
|
1432 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
1433 |
|
|
|
1434 |
|
|
/* set the ready flag for the dma buffer */
|
1435 |
|
|
dmabuf->ready = 1;
|
1436 |
|
|
|
1437 |
|
|
CS_DBGOUT(CS_PARMS, 4, printk(
|
1438 |
|
|
"cs46xx: prog_dmabuf(): PLAYBACK rate=%d fmt=0x%x numfrag=%d "
|
1439 |
|
|
"fragsize=%d dmasize=%d\n",
|
1440 |
|
|
dmabuf->rate, dmabuf->fmt, dmabuf->numfrag,
|
1441 |
|
|
dmabuf->fragsize, dmabuf->dmasize) );
|
1442 |
|
|
|
1443 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf()- \n"));
|
1444 |
|
|
return 0;
|
1445 |
|
|
}
|
1446 |
|
|
else
|
1447 |
|
|
{
|
1448 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: prog_dmabuf()- Invalid Type %d\n",
|
1449 |
|
|
dmabuf->type));
|
1450 |
|
|
}
|
1451 |
|
|
return 1;
|
1452 |
|
|
}
|
1453 |
|
|
|
1454 |
|
|
static int prog_dmabuf(struct cs_state *state)
|
1455 |
|
|
{
|
1456 |
|
|
int ret;
|
1457 |
|
|
|
1458 |
|
|
down(&state->sem);
|
1459 |
|
|
ret = __prog_dmabuf(state);
|
1460 |
|
|
up(&state->sem);
|
1461 |
|
|
|
1462 |
|
|
return ret;
|
1463 |
|
|
}
|
1464 |
|
|
|
1465 |
|
|
static void cs_clear_tail(struct cs_state *state)
|
1466 |
|
|
{
|
1467 |
|
|
}
|
1468 |
|
|
|
1469 |
|
|
static int drain_dac(struct cs_state *state, int nonblock)
|
1470 |
|
|
{
|
1471 |
|
|
DECLARE_WAITQUEUE(wait, current);
|
1472 |
|
|
struct dmabuf *dmabuf = &state->dmabuf;
|
1473 |
|
|
struct cs_card *card=state->card;
|
1474 |
|
|
unsigned long flags;
|
1475 |
|
|
unsigned long tmo;
|
1476 |
|
|
int count;
|
1477 |
|
|
|
1478 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: drain_dac()+ \n"));
|
1479 |
|
|
if (dmabuf->mapped || !dmabuf->ready)
|
1480 |
|
|
{
|
1481 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: drain_dac()- 0, not ready\n"));
|
1482 |
|
|
return 0;
|
1483 |
|
|
}
|
1484 |
|
|
|
1485 |
|
|
add_wait_queue(&dmabuf->wait, &wait);
|
1486 |
|
|
for (;;) {
|
1487 |
|
|
/* It seems that we have to set the current state to TASK_INTERRUPTIBLE
|
1488 |
|
|
every time to make the process really go to sleep */
|
1489 |
|
|
current->state = TASK_INTERRUPTIBLE;
|
1490 |
|
|
|
1491 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
1492 |
|
|
count = dmabuf->count;
|
1493 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
1494 |
|
|
|
1495 |
|
|
if (count <= 0)
|
1496 |
|
|
break;
|
1497 |
|
|
|
1498 |
|
|
if (signal_pending(current))
|
1499 |
|
|
break;
|
1500 |
|
|
|
1501 |
|
|
if (nonblock) {
|
1502 |
|
|
remove_wait_queue(&dmabuf->wait, &wait);
|
1503 |
|
|
current->state = TASK_RUNNING;
|
1504 |
|
|
return -EBUSY;
|
1505 |
|
|
}
|
1506 |
|
|
|
1507 |
|
|
tmo = (dmabuf->dmasize * HZ) / dmabuf->rate;
|
1508 |
|
|
tmo >>= sample_shift[dmabuf->fmt];
|
1509 |
|
|
tmo += (2048*HZ)/dmabuf->rate;
|
1510 |
|
|
|
1511 |
|
|
if (!schedule_timeout(tmo ? tmo : 1) && tmo){
|
1512 |
|
|
printk(KERN_ERR "cs46xx: drain_dac, dma timeout? %d\n", count);
|
1513 |
|
|
break;
|
1514 |
|
|
}
|
1515 |
|
|
}
|
1516 |
|
|
remove_wait_queue(&dmabuf->wait, &wait);
|
1517 |
|
|
current->state = TASK_RUNNING;
|
1518 |
|
|
if (signal_pending(current))
|
1519 |
|
|
{
|
1520 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: drain_dac()- -ERESTARTSYS\n"));
|
1521 |
|
|
/*
|
1522 |
|
|
* set to silence and let that clear the fifos.
|
1523 |
|
|
*/
|
1524 |
|
|
cs461x_clear_serial_FIFOs(card, CS_TYPE_DAC);
|
1525 |
|
|
return -ERESTARTSYS;
|
1526 |
|
|
}
|
1527 |
|
|
|
1528 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk("cs46xx: drain_dac()- 0\n"));
|
1529 |
|
|
return 0;
|
1530 |
|
|
}
|
1531 |
|
|
|
1532 |
|
|
|
1533 |
|
|
/* update buffer manangement pointers, especially, dmabuf->count and dmabuf->hwptr */
|
1534 |
|
|
static void cs_update_ptr(struct cs_card *card, int wake)
|
1535 |
|
|
{
|
1536 |
|
|
struct cs_state *state;
|
1537 |
|
|
struct dmabuf *dmabuf;
|
1538 |
|
|
unsigned hwptr;
|
1539 |
|
|
int diff;
|
1540 |
|
|
|
1541 |
|
|
/* error handling and process wake up for ADC */
|
1542 |
|
|
state = card->states[0];
|
1543 |
|
|
if(state)
|
1544 |
|
|
{
|
1545 |
|
|
dmabuf = &state->dmabuf;
|
1546 |
|
|
if (dmabuf->enable & ADC_RUNNING) {
|
1547 |
|
|
/* update hardware pointer */
|
1548 |
|
|
hwptr = cs_get_dma_addr(state);
|
1549 |
|
|
|
1550 |
|
|
diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize;
|
1551 |
|
|
CS_DBGOUT(CS_PARMS, 9, printk(
|
1552 |
|
|
"cs46xx: cs_update_ptr()+ ADC hwptr=%d diff=%d\n",
|
1553 |
|
|
hwptr,diff) );
|
1554 |
|
|
dmabuf->hwptr = hwptr;
|
1555 |
|
|
dmabuf->total_bytes += diff;
|
1556 |
|
|
dmabuf->count += diff;
|
1557 |
|
|
if (dmabuf->count > dmabuf->dmasize)
|
1558 |
|
|
dmabuf->count = dmabuf->dmasize;
|
1559 |
|
|
|
1560 |
|
|
if(dmabuf->mapped)
|
1561 |
|
|
{
|
1562 |
|
|
if (wake && dmabuf->count >= (signed)dmabuf->fragsize)
|
1563 |
|
|
wake_up(&dmabuf->wait);
|
1564 |
|
|
} else
|
1565 |
|
|
{
|
1566 |
|
|
if (wake && dmabuf->count > 0)
|
1567 |
|
|
wake_up(&dmabuf->wait);
|
1568 |
|
|
}
|
1569 |
|
|
}
|
1570 |
|
|
}
|
1571 |
|
|
|
1572 |
|
|
/*
|
1573 |
|
|
* Now the DAC
|
1574 |
|
|
*/
|
1575 |
|
|
state = card->states[1];
|
1576 |
|
|
if(state)
|
1577 |
|
|
{
|
1578 |
|
|
dmabuf = &state->dmabuf;
|
1579 |
|
|
/* error handling and process wake up for DAC */
|
1580 |
|
|
if (dmabuf->enable & DAC_RUNNING) {
|
1581 |
|
|
/* update hardware pointer */
|
1582 |
|
|
hwptr = cs_get_dma_addr(state);
|
1583 |
|
|
|
1584 |
|
|
diff = (dmabuf->dmasize + hwptr - dmabuf->hwptr) % dmabuf->dmasize;
|
1585 |
|
|
CS_DBGOUT(CS_PARMS, 9, printk(
|
1586 |
|
|
"cs46xx: cs_update_ptr()+ DAC hwptr=%d diff=%d\n",
|
1587 |
|
|
hwptr,diff) );
|
1588 |
|
|
dmabuf->hwptr = hwptr;
|
1589 |
|
|
dmabuf->total_bytes += diff;
|
1590 |
|
|
if (dmabuf->mapped) {
|
1591 |
|
|
dmabuf->count += diff;
|
1592 |
|
|
if (wake && dmabuf->count >= (signed)dmabuf->fragsize)
|
1593 |
|
|
wake_up(&dmabuf->wait);
|
1594 |
|
|
/*
|
1595 |
|
|
* other drivers use fragsize, but don't see any sense
|
1596 |
|
|
* in that, since dmasize is the buffer asked for
|
1597 |
|
|
* via mmap.
|
1598 |
|
|
*/
|
1599 |
|
|
if( dmabuf->count > dmabuf->dmasize)
|
1600 |
|
|
dmabuf->count &= dmabuf->dmasize-1;
|
1601 |
|
|
} else {
|
1602 |
|
|
dmabuf->count -= diff;
|
1603 |
|
|
/*
|
1604 |
|
|
* backfill with silence and clear out the last
|
1605 |
|
|
* "diff" number of bytes.
|
1606 |
|
|
*/
|
1607 |
|
|
if(hwptr >= diff)
|
1608 |
|
|
{
|
1609 |
|
|
memset(dmabuf->rawbuf + hwptr - diff,
|
1610 |
|
|
(dmabuf->fmt & CS_FMT_16BIT) ? 0 : 0x80, diff);
|
1611 |
|
|
}
|
1612 |
|
|
else
|
1613 |
|
|
{
|
1614 |
|
|
memset(dmabuf->rawbuf,
|
1615 |
|
|
(dmabuf->fmt & CS_FMT_16BIT) ? 0 : 0x80,
|
1616 |
|
|
(unsigned)hwptr);
|
1617 |
|
|
memset((void *)((unsigned)dmabuf->rawbuf +
|
1618 |
|
|
dmabuf->dmasize + hwptr - diff),
|
1619 |
|
|
(dmabuf->fmt & CS_FMT_16BIT) ? 0 : 0x80,
|
1620 |
|
|
diff - hwptr);
|
1621 |
|
|
}
|
1622 |
|
|
|
1623 |
|
|
if (dmabuf->count < 0 || dmabuf->count > dmabuf->dmasize) {
|
1624 |
|
|
CS_DBGOUT(CS_ERROR, 2, printk(KERN_INFO
|
1625 |
|
|
"cs46xx: ERROR DAC count<0 or count > dmasize (%d)\n",
|
1626 |
|
|
dmabuf->count));
|
1627 |
|
|
/*
|
1628 |
|
|
* buffer underrun or buffer overrun, reset the
|
1629 |
|
|
* count of bytes written back to 0.
|
1630 |
|
|
*/
|
1631 |
|
|
if(dmabuf->count < 0)
|
1632 |
|
|
dmabuf->underrun=1;
|
1633 |
|
|
dmabuf->count = 0;
|
1634 |
|
|
dmabuf->error++;
|
1635 |
|
|
}
|
1636 |
|
|
if (wake && dmabuf->count < (signed)dmabuf->dmasize/2)
|
1637 |
|
|
wake_up(&dmabuf->wait);
|
1638 |
|
|
}
|
1639 |
|
|
}
|
1640 |
|
|
}
|
1641 |
|
|
}
|
1642 |
|
|
|
1643 |
|
|
|
1644 |
|
|
/* hold spinlock for the following! */
|
1645 |
|
|
static void cs_handle_midi(struct cs_card *card)
|
1646 |
|
|
{
|
1647 |
|
|
unsigned char ch;
|
1648 |
|
|
int wake;
|
1649 |
|
|
unsigned temp1;
|
1650 |
|
|
|
1651 |
|
|
wake = 0;
|
1652 |
|
|
while (!(cs461x_peekBA0(card, BA0_MIDSR) & MIDSR_RBE)) {
|
1653 |
|
|
ch = cs461x_peekBA0(card, BA0_MIDRP);
|
1654 |
|
|
if (card->midi.icnt < CS_MIDIINBUF) {
|
1655 |
|
|
card->midi.ibuf[card->midi.iwr] = ch;
|
1656 |
|
|
card->midi.iwr = (card->midi.iwr + 1) % CS_MIDIINBUF;
|
1657 |
|
|
card->midi.icnt++;
|
1658 |
|
|
}
|
1659 |
|
|
wake = 1;
|
1660 |
|
|
}
|
1661 |
|
|
if (wake)
|
1662 |
|
|
wake_up(&card->midi.iwait);
|
1663 |
|
|
wake = 0;
|
1664 |
|
|
while (!(cs461x_peekBA0(card, BA0_MIDSR) & MIDSR_TBF) && card->midi.ocnt > 0) {
|
1665 |
|
|
temp1 = ( card->midi.obuf[card->midi.ord] ) & 0x000000ff;
|
1666 |
|
|
cs461x_pokeBA0(card, BA0_MIDWP,temp1);
|
1667 |
|
|
card->midi.ord = (card->midi.ord + 1) % CS_MIDIOUTBUF;
|
1668 |
|
|
card->midi.ocnt--;
|
1669 |
|
|
if (card->midi.ocnt < CS_MIDIOUTBUF-16)
|
1670 |
|
|
wake = 1;
|
1671 |
|
|
}
|
1672 |
|
|
if (wake)
|
1673 |
|
|
wake_up(&card->midi.owait);
|
1674 |
|
|
}
|
1675 |
|
|
|
1676 |
|
|
static void cs_interrupt(int irq, void *dev_id, struct pt_regs *regs)
|
1677 |
|
|
{
|
1678 |
|
|
struct cs_card *card = (struct cs_card *)dev_id;
|
1679 |
|
|
/* Single channel card */
|
1680 |
|
|
struct cs_state *recstate = card->channel[0].state;
|
1681 |
|
|
struct cs_state *playstate = card->channel[1].state;
|
1682 |
|
|
u32 status;
|
1683 |
|
|
|
1684 |
|
|
CS_DBGOUT(CS_INTERRUPT, 9, printk("cs46xx: cs_interrupt()+ \n"));
|
1685 |
|
|
|
1686 |
|
|
spin_lock(&card->lock);
|
1687 |
|
|
|
1688 |
|
|
status = cs461x_peekBA0(card, BA0_HISR);
|
1689 |
|
|
|
1690 |
|
|
if ((status & 0x7fffffff) == 0)
|
1691 |
|
|
{
|
1692 |
|
|
cs461x_pokeBA0(card, BA0_HICR, HICR_CHGM|HICR_IEV);
|
1693 |
|
|
spin_unlock(&card->lock);
|
1694 |
|
|
return;
|
1695 |
|
|
}
|
1696 |
|
|
|
1697 |
|
|
/*
|
1698 |
|
|
* check for playback or capture interrupt only
|
1699 |
|
|
*/
|
1700 |
|
|
if( ((status & HISR_VC0) && playstate && playstate->dmabuf.ready) ||
|
1701 |
|
|
(((status & HISR_VC1) && recstate && recstate->dmabuf.ready)) )
|
1702 |
|
|
{
|
1703 |
|
|
CS_DBGOUT(CS_INTERRUPT, 8, printk(
|
1704 |
|
|
"cs46xx: cs_interrupt() interrupt bit(s) set (0x%x)\n",status));
|
1705 |
|
|
cs_update_ptr(card, CS_TRUE);
|
1706 |
|
|
}
|
1707 |
|
|
|
1708 |
|
|
if( status & HISR_MIDI )
|
1709 |
|
|
cs_handle_midi(card);
|
1710 |
|
|
|
1711 |
|
|
/* clear 'em */
|
1712 |
|
|
cs461x_pokeBA0(card, BA0_HICR, HICR_CHGM|HICR_IEV);
|
1713 |
|
|
spin_unlock(&card->lock);
|
1714 |
|
|
CS_DBGOUT(CS_INTERRUPT, 9, printk("cs46xx: cs_interrupt()- \n"));
|
1715 |
|
|
}
|
1716 |
|
|
|
1717 |
|
|
|
1718 |
|
|
/**********************************************************************/
|
1719 |
|
|
|
1720 |
|
|
static ssize_t cs_midi_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
|
1721 |
|
|
{
|
1722 |
|
|
struct cs_card *card = (struct cs_card *)file->private_data;
|
1723 |
|
|
ssize_t ret;
|
1724 |
|
|
unsigned long flags;
|
1725 |
|
|
unsigned ptr;
|
1726 |
|
|
int cnt;
|
1727 |
|
|
|
1728 |
|
|
if (ppos != &file->f_pos)
|
1729 |
|
|
return -ESPIPE;
|
1730 |
|
|
if (!access_ok(VERIFY_WRITE, buffer, count))
|
1731 |
|
|
return -EFAULT;
|
1732 |
|
|
ret = 0;
|
1733 |
|
|
while (count > 0) {
|
1734 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
1735 |
|
|
ptr = card->midi.ird;
|
1736 |
|
|
cnt = CS_MIDIINBUF - ptr;
|
1737 |
|
|
if (card->midi.icnt < cnt)
|
1738 |
|
|
cnt = card->midi.icnt;
|
1739 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
1740 |
|
|
if (cnt > count)
|
1741 |
|
|
cnt = count;
|
1742 |
|
|
if (cnt <= 0) {
|
1743 |
|
|
if (file->f_flags & O_NONBLOCK)
|
1744 |
|
|
return ret ? ret : -EAGAIN;
|
1745 |
|
|
interruptible_sleep_on(&card->midi.iwait);
|
1746 |
|
|
if (signal_pending(current))
|
1747 |
|
|
return ret ? ret : -ERESTARTSYS;
|
1748 |
|
|
continue;
|
1749 |
|
|
}
|
1750 |
|
|
if (copy_to_user(buffer, card->midi.ibuf + ptr, cnt))
|
1751 |
|
|
return ret ? ret : -EFAULT;
|
1752 |
|
|
ptr = (ptr + cnt) % CS_MIDIINBUF;
|
1753 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
1754 |
|
|
card->midi.ird = ptr;
|
1755 |
|
|
card->midi.icnt -= cnt;
|
1756 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
1757 |
|
|
count -= cnt;
|
1758 |
|
|
buffer += cnt;
|
1759 |
|
|
ret += cnt;
|
1760 |
|
|
}
|
1761 |
|
|
return ret;
|
1762 |
|
|
}
|
1763 |
|
|
|
1764 |
|
|
|
1765 |
|
|
static ssize_t cs_midi_write(struct file *file, const char *buffer, size_t count, loff_t *ppos)
|
1766 |
|
|
{
|
1767 |
|
|
struct cs_card *card = (struct cs_card *)file->private_data;
|
1768 |
|
|
ssize_t ret;
|
1769 |
|
|
unsigned long flags;
|
1770 |
|
|
unsigned ptr;
|
1771 |
|
|
int cnt;
|
1772 |
|
|
|
1773 |
|
|
if (ppos != &file->f_pos)
|
1774 |
|
|
return -ESPIPE;
|
1775 |
|
|
if (!access_ok(VERIFY_READ, buffer, count))
|
1776 |
|
|
return -EFAULT;
|
1777 |
|
|
ret = 0;
|
1778 |
|
|
while (count > 0) {
|
1779 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
1780 |
|
|
ptr = card->midi.owr;
|
1781 |
|
|
cnt = CS_MIDIOUTBUF - ptr;
|
1782 |
|
|
if (card->midi.ocnt + cnt > CS_MIDIOUTBUF)
|
1783 |
|
|
cnt = CS_MIDIOUTBUF - card->midi.ocnt;
|
1784 |
|
|
if (cnt <= 0)
|
1785 |
|
|
cs_handle_midi(card);
|
1786 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
1787 |
|
|
if (cnt > count)
|
1788 |
|
|
cnt = count;
|
1789 |
|
|
if (cnt <= 0) {
|
1790 |
|
|
if (file->f_flags & O_NONBLOCK)
|
1791 |
|
|
return ret ? ret : -EAGAIN;
|
1792 |
|
|
interruptible_sleep_on(&card->midi.owait);
|
1793 |
|
|
if (signal_pending(current))
|
1794 |
|
|
return ret ? ret : -ERESTARTSYS;
|
1795 |
|
|
continue;
|
1796 |
|
|
}
|
1797 |
|
|
if (copy_from_user(card->midi.obuf + ptr, buffer, cnt))
|
1798 |
|
|
return ret ? ret : -EFAULT;
|
1799 |
|
|
ptr = (ptr + cnt) % CS_MIDIOUTBUF;
|
1800 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
1801 |
|
|
card->midi.owr = ptr;
|
1802 |
|
|
card->midi.ocnt += cnt;
|
1803 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
1804 |
|
|
count -= cnt;
|
1805 |
|
|
buffer += cnt;
|
1806 |
|
|
ret += cnt;
|
1807 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
1808 |
|
|
cs_handle_midi(card);
|
1809 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
1810 |
|
|
}
|
1811 |
|
|
return ret;
|
1812 |
|
|
}
|
1813 |
|
|
|
1814 |
|
|
|
1815 |
|
|
static unsigned int cs_midi_poll(struct file *file, struct poll_table_struct *wait)
|
1816 |
|
|
{
|
1817 |
|
|
struct cs_card *card = (struct cs_card *)file->private_data;
|
1818 |
|
|
unsigned long flags;
|
1819 |
|
|
unsigned int mask = 0;
|
1820 |
|
|
|
1821 |
|
|
if (file->f_flags & FMODE_WRITE)
|
1822 |
|
|
poll_wait(file, &card->midi.owait, wait);
|
1823 |
|
|
if (file->f_flags & FMODE_READ)
|
1824 |
|
|
poll_wait(file, &card->midi.iwait, wait);
|
1825 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
1826 |
|
|
if (file->f_flags & FMODE_READ) {
|
1827 |
|
|
if (card->midi.icnt > 0)
|
1828 |
|
|
mask |= POLLIN | POLLRDNORM;
|
1829 |
|
|
}
|
1830 |
|
|
if (file->f_flags & FMODE_WRITE) {
|
1831 |
|
|
if (card->midi.ocnt < CS_MIDIOUTBUF)
|
1832 |
|
|
mask |= POLLOUT | POLLWRNORM;
|
1833 |
|
|
}
|
1834 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
1835 |
|
|
return mask;
|
1836 |
|
|
}
|
1837 |
|
|
|
1838 |
|
|
|
1839 |
|
|
static int cs_midi_open(struct inode *inode, struct file *file)
|
1840 |
|
|
{
|
1841 |
|
|
int minor = MINOR(inode->i_rdev);
|
1842 |
|
|
struct cs_card *card=NULL;
|
1843 |
|
|
unsigned long flags;
|
1844 |
|
|
struct list_head *entry;
|
1845 |
|
|
|
1846 |
|
|
list_for_each(entry, &cs46xx_devs)
|
1847 |
|
|
{
|
1848 |
|
|
card = list_entry(entry, struct cs_card, list);
|
1849 |
|
|
if (card->dev_midi == minor)
|
1850 |
|
|
break;
|
1851 |
|
|
}
|
1852 |
|
|
|
1853 |
|
|
if (entry == &cs46xx_devs)
|
1854 |
|
|
return -ENODEV;
|
1855 |
|
|
if (!card)
|
1856 |
|
|
{
|
1857 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_OPEN, 2, printk(KERN_INFO
|
1858 |
|
|
"cs46xx: cs46xx_midi_open(): Error - unable to find card struct\n"));
|
1859 |
|
|
return -ENODEV;
|
1860 |
|
|
}
|
1861 |
|
|
|
1862 |
|
|
file->private_data = card;
|
1863 |
|
|
/* wait for device to become free */
|
1864 |
|
|
down(&card->midi.open_sem);
|
1865 |
|
|
while (card->midi.open_mode & file->f_mode) {
|
1866 |
|
|
if (file->f_flags & O_NONBLOCK) {
|
1867 |
|
|
up(&card->midi.open_sem);
|
1868 |
|
|
return -EBUSY;
|
1869 |
|
|
}
|
1870 |
|
|
up(&card->midi.open_sem);
|
1871 |
|
|
interruptible_sleep_on(&card->midi.open_wait);
|
1872 |
|
|
if (signal_pending(current))
|
1873 |
|
|
return -ERESTARTSYS;
|
1874 |
|
|
down(&card->midi.open_sem);
|
1875 |
|
|
}
|
1876 |
|
|
spin_lock_irqsave(&card->midi.lock, flags);
|
1877 |
|
|
if (!(card->midi.open_mode & (FMODE_READ | FMODE_WRITE))) {
|
1878 |
|
|
card->midi.ird = card->midi.iwr = card->midi.icnt = 0;
|
1879 |
|
|
card->midi.ord = card->midi.owr = card->midi.ocnt = 0;
|
1880 |
|
|
card->midi.ird = card->midi.iwr = card->midi.icnt = 0;
|
1881 |
|
|
cs461x_pokeBA0(card, BA0_MIDCR, 0x0000000f); /* Enable xmit, rcv. */
|
1882 |
|
|
cs461x_pokeBA0(card, BA0_HICR, HICR_IEV | HICR_CHGM); /* Enable interrupts */
|
1883 |
|
|
}
|
1884 |
|
|
if (file->f_mode & FMODE_READ) {
|
1885 |
|
|
card->midi.ird = card->midi.iwr = card->midi.icnt = 0;
|
1886 |
|
|
}
|
1887 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
1888 |
|
|
card->midi.ord = card->midi.owr = card->midi.ocnt = 0;
|
1889 |
|
|
}
|
1890 |
|
|
spin_unlock_irqrestore(&card->midi.lock, flags);
|
1891 |
|
|
card->midi.open_mode |= (file->f_mode & (FMODE_READ | FMODE_WRITE));
|
1892 |
|
|
up(&card->midi.open_sem);
|
1893 |
|
|
MOD_INC_USE_COUNT; /* for 2.2 */
|
1894 |
|
|
return 0;
|
1895 |
|
|
}
|
1896 |
|
|
|
1897 |
|
|
|
1898 |
|
|
static int cs_midi_release(struct inode *inode, struct file *file)
|
1899 |
|
|
{
|
1900 |
|
|
struct cs_card *card = (struct cs_card *)file->private_data;
|
1901 |
|
|
DECLARE_WAITQUEUE(wait, current);
|
1902 |
|
|
unsigned long flags;
|
1903 |
|
|
unsigned count, tmo;
|
1904 |
|
|
|
1905 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
1906 |
|
|
current->state = TASK_INTERRUPTIBLE;
|
1907 |
|
|
add_wait_queue(&card->midi.owait, &wait);
|
1908 |
|
|
for (;;) {
|
1909 |
|
|
spin_lock_irqsave(&card->midi.lock, flags);
|
1910 |
|
|
count = card->midi.ocnt;
|
1911 |
|
|
spin_unlock_irqrestore(&card->midi.lock, flags);
|
1912 |
|
|
if (count <= 0)
|
1913 |
|
|
break;
|
1914 |
|
|
if (signal_pending(current))
|
1915 |
|
|
break;
|
1916 |
|
|
if (file->f_flags & O_NONBLOCK)
|
1917 |
|
|
break;
|
1918 |
|
|
tmo = (count * HZ) / 3100;
|
1919 |
|
|
if (!schedule_timeout(tmo ? : 1) && tmo)
|
1920 |
|
|
printk(KERN_DEBUG "cs46xx: midi timed out??\n");
|
1921 |
|
|
}
|
1922 |
|
|
remove_wait_queue(&card->midi.owait, &wait);
|
1923 |
|
|
current->state = TASK_RUNNING;
|
1924 |
|
|
}
|
1925 |
|
|
down(&card->midi.open_sem);
|
1926 |
|
|
card->midi.open_mode &= (~(file->f_mode & (FMODE_READ | FMODE_WRITE)));
|
1927 |
|
|
up(&card->midi.open_sem);
|
1928 |
|
|
wake_up(&card->midi.open_wait);
|
1929 |
|
|
MOD_DEC_USE_COUNT; /* for 2.2 */
|
1930 |
|
|
return 0;
|
1931 |
|
|
}
|
1932 |
|
|
|
1933 |
|
|
/*
|
1934 |
|
|
* Midi file operations struct.
|
1935 |
|
|
*/
|
1936 |
|
|
static /*const*/ struct file_operations cs_midi_fops = {
|
1937 |
|
|
CS_OWNER CS_THIS_MODULE
|
1938 |
|
|
llseek: no_llseek,
|
1939 |
|
|
read: cs_midi_read,
|
1940 |
|
|
write: cs_midi_write,
|
1941 |
|
|
poll: cs_midi_poll,
|
1942 |
|
|
open: cs_midi_open,
|
1943 |
|
|
release: cs_midi_release,
|
1944 |
|
|
};
|
1945 |
|
|
|
1946 |
|
|
/*
|
1947 |
|
|
*
|
1948 |
|
|
* CopySamples copies 16-bit stereo signed samples from the source to the
|
1949 |
|
|
* destination, possibly converting down to unsigned 8-bit and/or mono.
|
1950 |
|
|
* count specifies the number of output bytes to write.
|
1951 |
|
|
*
|
1952 |
|
|
* Arguments:
|
1953 |
|
|
*
|
1954 |
|
|
* dst - Pointer to a destination buffer.
|
1955 |
|
|
* src - Pointer to a source buffer
|
1956 |
|
|
* count - The number of bytes to copy into the destination buffer.
|
1957 |
|
|
* fmt - CS_FMT_16BIT and/or CS_FMT_STEREO bits
|
1958 |
|
|
* dmabuf - pointer to the dma buffer structure
|
1959 |
|
|
*
|
1960 |
|
|
* NOTES: only call this routine if the output desired is not 16 Signed Stereo
|
1961 |
|
|
*
|
1962 |
|
|
*
|
1963 |
|
|
*/
|
1964 |
|
|
static void CopySamples(char *dst, char *src, int count, unsigned fmt,
|
1965 |
|
|
struct dmabuf *dmabuf)
|
1966 |
|
|
{
|
1967 |
|
|
|
1968 |
|
|
s32 s32AudioSample;
|
1969 |
|
|
s16 *psSrc=(s16 *)src;
|
1970 |
|
|
s16 *psDst=(s16 *)dst;
|
1971 |
|
|
u8 *pucDst=(u8 *)dst;
|
1972 |
|
|
|
1973 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_INFO "cs46xx: CopySamples()+ ") );
|
1974 |
|
|
CS_DBGOUT(CS_WAVE_READ, 8, printk(KERN_INFO
|
1975 |
|
|
" dst=0x%x src=0x%x count=%d fmt=0x%x\n",
|
1976 |
|
|
(unsigned)dst,(unsigned)src,(unsigned)count,(unsigned)fmt) );
|
1977 |
|
|
|
1978 |
|
|
/*
|
1979 |
|
|
* See if the data should be output as 8-bit unsigned stereo.
|
1980 |
|
|
*/
|
1981 |
|
|
if((fmt & CS_FMT_STEREO) && !(fmt & CS_FMT_16BIT))
|
1982 |
|
|
{
|
1983 |
|
|
/*
|
1984 |
|
|
* Convert each 16-bit signed stereo sample to 8-bit unsigned
|
1985 |
|
|
* stereo using rounding.
|
1986 |
|
|
*/
|
1987 |
|
|
psSrc = (s16 *)src;
|
1988 |
|
|
count = count/2;
|
1989 |
|
|
while(count--)
|
1990 |
|
|
{
|
1991 |
|
|
*(pucDst++) = (u8)(((s16)(*psSrc++) + (s16)0x8000) >> 8);
|
1992 |
|
|
}
|
1993 |
|
|
}
|
1994 |
|
|
/*
|
1995 |
|
|
* See if the data should be output at 8-bit unsigned mono.
|
1996 |
|
|
*/
|
1997 |
|
|
else if(!(fmt & CS_FMT_STEREO) && !(fmt & CS_FMT_16BIT))
|
1998 |
|
|
{
|
1999 |
|
|
/*
|
2000 |
|
|
* Convert each 16-bit signed stereo sample to 8-bit unsigned
|
2001 |
|
|
* mono using averaging and rounding.
|
2002 |
|
|
*/
|
2003 |
|
|
psSrc = (s16 *)src;
|
2004 |
|
|
count = count/2;
|
2005 |
|
|
while(count--)
|
2006 |
|
|
{
|
2007 |
|
|
s32AudioSample = ((*psSrc)+(*(psSrc + 1)))/2 + (s32)0x80;
|
2008 |
|
|
if(s32AudioSample > 0x7fff)
|
2009 |
|
|
s32AudioSample = 0x7fff;
|
2010 |
|
|
*(pucDst++) = (u8)(((s16)s32AudioSample + (s16)0x8000) >> 8);
|
2011 |
|
|
psSrc += 2;
|
2012 |
|
|
}
|
2013 |
|
|
}
|
2014 |
|
|
/*
|
2015 |
|
|
* See if the data should be output at 16-bit signed mono.
|
2016 |
|
|
*/
|
2017 |
|
|
else if(!(fmt & CS_FMT_STEREO) && (fmt & CS_FMT_16BIT))
|
2018 |
|
|
{
|
2019 |
|
|
/*
|
2020 |
|
|
* Convert each 16-bit signed stereo sample to 16-bit signed
|
2021 |
|
|
* mono using averaging.
|
2022 |
|
|
*/
|
2023 |
|
|
psSrc = (s16 *)src;
|
2024 |
|
|
count = count/2;
|
2025 |
|
|
while(count--)
|
2026 |
|
|
{
|
2027 |
|
|
*(psDst++) = (s16)((*psSrc)+(*(psSrc + 1)))/2;
|
2028 |
|
|
psSrc += 2;
|
2029 |
|
|
}
|
2030 |
|
|
}
|
2031 |
|
|
}
|
2032 |
|
|
|
2033 |
|
|
/*
|
2034 |
|
|
* cs_copy_to_user()
|
2035 |
|
|
* replacement for the standard copy_to_user, to allow for a conversion from
|
2036 |
|
|
* 16 bit to 8 bit and from stereo to mono, if the record conversion is active.
|
2037 |
|
|
* The current CS46xx/CS4280 static image only records in 16bit unsigned Stereo,
|
2038 |
|
|
* so we convert from any of the other format combinations.
|
2039 |
|
|
*/
|
2040 |
|
|
static unsigned cs_copy_to_user(
|
2041 |
|
|
struct cs_state *s,
|
2042 |
|
|
void *dest,
|
2043 |
|
|
void *hwsrc,
|
2044 |
|
|
unsigned cnt,
|
2045 |
|
|
unsigned *copied)
|
2046 |
|
|
{
|
2047 |
|
|
struct dmabuf *dmabuf = &s->dmabuf;
|
2048 |
|
|
void *src = hwsrc; /* default to the standard destination buffer addr */
|
2049 |
|
|
|
2050 |
|
|
CS_DBGOUT(CS_FUNCTION, 6, printk(KERN_INFO
|
2051 |
|
|
"cs_copy_to_user()+ fmt=0x%x cnt=%d dest=0x%.8x\n",
|
2052 |
|
|
dmabuf->fmt,(unsigned)cnt,(unsigned)dest) );
|
2053 |
|
|
|
2054 |
|
|
if(cnt > dmabuf->dmasize)
|
2055 |
|
|
{
|
2056 |
|
|
cnt = dmabuf->dmasize;
|
2057 |
|
|
}
|
2058 |
|
|
if(!cnt)
|
2059 |
|
|
{
|
2060 |
|
|
*copied = 0;
|
2061 |
|
|
return 0;
|
2062 |
|
|
}
|
2063 |
|
|
if(dmabuf->divisor != 1)
|
2064 |
|
|
{
|
2065 |
|
|
if(!dmabuf->tmpbuff)
|
2066 |
|
|
{
|
2067 |
|
|
*copied = cnt/dmabuf->divisor;
|
2068 |
|
|
return 0;
|
2069 |
|
|
}
|
2070 |
|
|
|
2071 |
|
|
CopySamples((char *)dmabuf->tmpbuff, (char *)hwsrc, cnt,
|
2072 |
|
|
dmabuf->fmt, dmabuf);
|
2073 |
|
|
src = dmabuf->tmpbuff;
|
2074 |
|
|
cnt = cnt/dmabuf->divisor;
|
2075 |
|
|
}
|
2076 |
|
|
if (copy_to_user(dest, src, cnt))
|
2077 |
|
|
{
|
2078 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_ERR
|
2079 |
|
|
"cs46xx: cs_copy_to_user()- fault dest=0x%x src=0x%x cnt=%d\n",
|
2080 |
|
|
(unsigned)dest,(unsigned)src,cnt) );
|
2081 |
|
|
*copied = 0;
|
2082 |
|
|
return -EFAULT;
|
2083 |
|
|
}
|
2084 |
|
|
*copied = cnt;
|
2085 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk(KERN_INFO
|
2086 |
|
|
"cs46xx: cs_copy_to_user()- copied bytes is %d \n",cnt) );
|
2087 |
|
|
return 0;
|
2088 |
|
|
}
|
2089 |
|
|
|
2090 |
|
|
/* in this loop, dmabuf.count signifies the amount of data that is waiting to be copied to
|
2091 |
|
|
the user's buffer. it is filled by the dma machine and drained by this loop. */
|
2092 |
|
|
static ssize_t cs_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
|
2093 |
|
|
{
|
2094 |
|
|
struct cs_card *card = (struct cs_card *) file->private_data;
|
2095 |
|
|
struct cs_state *state;
|
2096 |
|
|
DECLARE_WAITQUEUE(wait, current);
|
2097 |
|
|
struct dmabuf *dmabuf;
|
2098 |
|
|
ssize_t ret = 0;
|
2099 |
|
|
unsigned long flags;
|
2100 |
|
|
unsigned swptr;
|
2101 |
|
|
int cnt;
|
2102 |
|
|
unsigned copied=0;
|
2103 |
|
|
|
2104 |
|
|
CS_DBGOUT(CS_WAVE_READ | CS_FUNCTION, 4,
|
2105 |
|
|
printk("cs46xx: cs_read()+ %d\n",count) );
|
2106 |
|
|
state = (struct cs_state *)card->states[0];
|
2107 |
|
|
if(!state)
|
2108 |
|
|
return -ENODEV;
|
2109 |
|
|
dmabuf = &state->dmabuf;
|
2110 |
|
|
|
2111 |
|
|
if (ppos != &file->f_pos)
|
2112 |
|
|
return -ESPIPE;
|
2113 |
|
|
if (dmabuf->mapped)
|
2114 |
|
|
return -ENXIO;
|
2115 |
|
|
if (!access_ok(VERIFY_WRITE, buffer, count))
|
2116 |
|
|
return -EFAULT;
|
2117 |
|
|
|
2118 |
|
|
down(&state->sem);
|
2119 |
|
|
if (!dmabuf->ready && (ret = __prog_dmabuf(state)))
|
2120 |
|
|
goto out2;
|
2121 |
|
|
|
2122 |
|
|
add_wait_queue(&state->dmabuf.wait, &wait);
|
2123 |
|
|
while (count > 0) {
|
2124 |
|
|
while(!(card->pm.flags & CS46XX_PM_IDLE))
|
2125 |
|
|
{
|
2126 |
|
|
schedule();
|
2127 |
|
|
if (signal_pending(current)) {
|
2128 |
|
|
if(!ret) ret = -ERESTARTSYS;
|
2129 |
|
|
goto out;
|
2130 |
|
|
}
|
2131 |
|
|
}
|
2132 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
2133 |
|
|
swptr = dmabuf->swptr;
|
2134 |
|
|
cnt = dmabuf->dmasize - swptr;
|
2135 |
|
|
if (dmabuf->count < cnt)
|
2136 |
|
|
cnt = dmabuf->count;
|
2137 |
|
|
if (cnt <= 0)
|
2138 |
|
|
__set_current_state(TASK_INTERRUPTIBLE);
|
2139 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
2140 |
|
|
|
2141 |
|
|
if (cnt > (count * dmabuf->divisor))
|
2142 |
|
|
cnt = count * dmabuf->divisor;
|
2143 |
|
|
if (cnt <= 0) {
|
2144 |
|
|
/* buffer is empty, start the dma machine and wait for data to be
|
2145 |
|
|
recorded */
|
2146 |
|
|
start_adc(state);
|
2147 |
|
|
if (file->f_flags & O_NONBLOCK) {
|
2148 |
|
|
if (!ret) ret = -EAGAIN;
|
2149 |
|
|
goto out;
|
2150 |
|
|
}
|
2151 |
|
|
up(&state->sem);
|
2152 |
|
|
schedule();
|
2153 |
|
|
if (signal_pending(current)) {
|
2154 |
|
|
if(!ret) ret = -ERESTARTSYS;
|
2155 |
|
|
goto out;
|
2156 |
|
|
}
|
2157 |
|
|
down(&state->sem);
|
2158 |
|
|
if (dmabuf->mapped)
|
2159 |
|
|
{
|
2160 |
|
|
if(!ret)
|
2161 |
|
|
ret = -ENXIO;
|
2162 |
|
|
goto out;
|
2163 |
|
|
}
|
2164 |
|
|
continue;
|
2165 |
|
|
}
|
2166 |
|
|
|
2167 |
|
|
CS_DBGOUT(CS_WAVE_READ, 2, printk(KERN_INFO
|
2168 |
|
|
"_read() copy_to cnt=%d count=%d ", cnt,count) );
|
2169 |
|
|
CS_DBGOUT(CS_WAVE_READ, 8, printk(KERN_INFO
|
2170 |
|
|
" .dmasize=%d .count=%d buffer=0x%.8x ret=%d\n",
|
2171 |
|
|
dmabuf->dmasize,dmabuf->count,(unsigned)buffer,ret) );
|
2172 |
|
|
|
2173 |
|
|
if (cs_copy_to_user(state, buffer,
|
2174 |
|
|
(void *)((unsigned)dmabuf->rawbuf + swptr), cnt, &copied))
|
2175 |
|
|
{
|
2176 |
|
|
if (!ret) ret = -EFAULT;
|
2177 |
|
|
goto out;
|
2178 |
|
|
}
|
2179 |
|
|
swptr = (swptr + cnt) % dmabuf->dmasize;
|
2180 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
2181 |
|
|
dmabuf->swptr = swptr;
|
2182 |
|
|
dmabuf->count -= cnt;
|
2183 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
2184 |
|
|
count -= copied;
|
2185 |
|
|
buffer += copied;
|
2186 |
|
|
ret += copied;
|
2187 |
|
|
start_adc(state);
|
2188 |
|
|
}
|
2189 |
|
|
out:
|
2190 |
|
|
remove_wait_queue(&state->dmabuf.wait, &wait);
|
2191 |
|
|
out2:
|
2192 |
|
|
up(&state->sem);
|
2193 |
|
|
set_current_state(TASK_RUNNING);
|
2194 |
|
|
CS_DBGOUT(CS_WAVE_READ | CS_FUNCTION, 4,
|
2195 |
|
|
printk("cs46xx: cs_read()- %d\n",ret) );
|
2196 |
|
|
return ret;
|
2197 |
|
|
}
|
2198 |
|
|
|
2199 |
|
|
/* in this loop, dmabuf.count signifies the amount of data that is waiting to be dma to
|
2200 |
|
|
the soundcard. it is drained by the dma machine and filled by this loop. */
|
2201 |
|
|
static ssize_t cs_write(struct file *file, const char *buffer, size_t count, loff_t *ppos)
|
2202 |
|
|
{
|
2203 |
|
|
struct cs_card *card = (struct cs_card *) file->private_data;
|
2204 |
|
|
struct cs_state *state;
|
2205 |
|
|
DECLARE_WAITQUEUE(wait, current);
|
2206 |
|
|
struct dmabuf *dmabuf;
|
2207 |
|
|
ssize_t ret;
|
2208 |
|
|
unsigned long flags;
|
2209 |
|
|
unsigned swptr;
|
2210 |
|
|
int cnt;
|
2211 |
|
|
|
2212 |
|
|
CS_DBGOUT(CS_WAVE_WRITE | CS_FUNCTION, 4,
|
2213 |
|
|
printk("cs46xx: cs_write called, count = %d\n", count) );
|
2214 |
|
|
state = (struct cs_state *)card->states[1];
|
2215 |
|
|
if(!state)
|
2216 |
|
|
return -ENODEV;
|
2217 |
|
|
if (!access_ok(VERIFY_READ, buffer, count))
|
2218 |
|
|
return -EFAULT;
|
2219 |
|
|
dmabuf = &state->dmabuf;
|
2220 |
|
|
|
2221 |
|
|
if (ppos != &file->f_pos)
|
2222 |
|
|
return -ESPIPE;
|
2223 |
|
|
|
2224 |
|
|
down(&state->sem);
|
2225 |
|
|
if (dmabuf->mapped)
|
2226 |
|
|
{
|
2227 |
|
|
ret = -ENXIO;
|
2228 |
|
|
goto out;
|
2229 |
|
|
}
|
2230 |
|
|
|
2231 |
|
|
if (!dmabuf->ready && (ret = __prog_dmabuf(state)))
|
2232 |
|
|
goto out;
|
2233 |
|
|
add_wait_queue(&state->dmabuf.wait, &wait);
|
2234 |
|
|
ret = 0;
|
2235 |
|
|
/*
|
2236 |
|
|
* Start the loop to read from the user's buffer and write to the dma buffer.
|
2237 |
|
|
* check for PM events and underrun/overrun in the loop.
|
2238 |
|
|
*/
|
2239 |
|
|
while (count > 0) {
|
2240 |
|
|
while(!(card->pm.flags & CS46XX_PM_IDLE))
|
2241 |
|
|
{
|
2242 |
|
|
schedule();
|
2243 |
|
|
if (signal_pending(current)) {
|
2244 |
|
|
if(!ret) ret = -ERESTARTSYS;
|
2245 |
|
|
goto out;
|
2246 |
|
|
}
|
2247 |
|
|
}
|
2248 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
2249 |
|
|
if (dmabuf->count < 0) {
|
2250 |
|
|
/* buffer underrun, we are recovering from sleep_on_timeout,
|
2251 |
|
|
resync hwptr and swptr */
|
2252 |
|
|
dmabuf->count = 0;
|
2253 |
|
|
dmabuf->swptr = dmabuf->hwptr;
|
2254 |
|
|
}
|
2255 |
|
|
if (dmabuf->underrun)
|
2256 |
|
|
{
|
2257 |
|
|
dmabuf->underrun = 0;
|
2258 |
|
|
dmabuf->hwptr = cs_get_dma_addr(state);
|
2259 |
|
|
dmabuf->swptr = dmabuf->hwptr;
|
2260 |
|
|
}
|
2261 |
|
|
|
2262 |
|
|
swptr = dmabuf->swptr;
|
2263 |
|
|
cnt = dmabuf->dmasize - swptr;
|
2264 |
|
|
if (dmabuf->count + cnt > dmabuf->dmasize)
|
2265 |
|
|
cnt = dmabuf->dmasize - dmabuf->count;
|
2266 |
|
|
if (cnt <= 0)
|
2267 |
|
|
__set_current_state(TASK_INTERRUPTIBLE);
|
2268 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
2269 |
|
|
|
2270 |
|
|
if (cnt > count)
|
2271 |
|
|
cnt = count;
|
2272 |
|
|
if (cnt <= 0) {
|
2273 |
|
|
/* buffer is full, start the dma machine and wait for data to be
|
2274 |
|
|
played */
|
2275 |
|
|
start_dac(state);
|
2276 |
|
|
if (file->f_flags & O_NONBLOCK) {
|
2277 |
|
|
if (!ret) ret = -EAGAIN;
|
2278 |
|
|
goto out;
|
2279 |
|
|
}
|
2280 |
|
|
up(&state->sem);
|
2281 |
|
|
schedule();
|
2282 |
|
|
if (signal_pending(current)) {
|
2283 |
|
|
if(!ret) ret = -ERESTARTSYS;
|
2284 |
|
|
goto out;
|
2285 |
|
|
}
|
2286 |
|
|
down(&state->sem);
|
2287 |
|
|
if (dmabuf->mapped)
|
2288 |
|
|
{
|
2289 |
|
|
if(!ret)
|
2290 |
|
|
ret = -ENXIO;
|
2291 |
|
|
goto out;
|
2292 |
|
|
}
|
2293 |
|
|
continue;
|
2294 |
|
|
}
|
2295 |
|
|
if (copy_from_user(dmabuf->rawbuf + swptr, buffer, cnt)) {
|
2296 |
|
|
if (!ret) ret = -EFAULT;
|
2297 |
|
|
goto out;
|
2298 |
|
|
}
|
2299 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
2300 |
|
|
swptr = (swptr + cnt) % dmabuf->dmasize;
|
2301 |
|
|
dmabuf->swptr = swptr;
|
2302 |
|
|
dmabuf->count += cnt;
|
2303 |
|
|
if(dmabuf->count > dmabuf->dmasize)
|
2304 |
|
|
{
|
2305 |
|
|
CS_DBGOUT(CS_WAVE_WRITE | CS_ERROR, 2, printk(
|
2306 |
|
|
"cs46xx: cs_write() d->count > dmasize - resetting\n"));
|
2307 |
|
|
dmabuf->count = dmabuf->dmasize;
|
2308 |
|
|
}
|
2309 |
|
|
dmabuf->endcleared = 0;
|
2310 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
2311 |
|
|
|
2312 |
|
|
count -= cnt;
|
2313 |
|
|
buffer += cnt;
|
2314 |
|
|
ret += cnt;
|
2315 |
|
|
start_dac(state);
|
2316 |
|
|
}
|
2317 |
|
|
out:
|
2318 |
|
|
up(&state->sem);
|
2319 |
|
|
remove_wait_queue(&state->dmabuf.wait, &wait);
|
2320 |
|
|
set_current_state(TASK_RUNNING);
|
2321 |
|
|
|
2322 |
|
|
CS_DBGOUT(CS_WAVE_WRITE | CS_FUNCTION, 2,
|
2323 |
|
|
printk("cs46xx: cs_write()- ret=0x%x\n", ret) );
|
2324 |
|
|
return ret;
|
2325 |
|
|
}
|
2326 |
|
|
|
2327 |
|
|
static unsigned int cs_poll(struct file *file, struct poll_table_struct *wait)
|
2328 |
|
|
{
|
2329 |
|
|
struct cs_card *card = (struct cs_card *)file->private_data;
|
2330 |
|
|
struct dmabuf *dmabuf;
|
2331 |
|
|
struct cs_state *state;
|
2332 |
|
|
|
2333 |
|
|
unsigned long flags;
|
2334 |
|
|
unsigned int mask = 0;
|
2335 |
|
|
|
2336 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_poll()+ \n"));
|
2337 |
|
|
if (!(file->f_mode & (FMODE_WRITE | FMODE_READ)))
|
2338 |
|
|
{
|
2339 |
|
|
return -EINVAL;
|
2340 |
|
|
}
|
2341 |
|
|
if (file->f_mode & FMODE_WRITE)
|
2342 |
|
|
{
|
2343 |
|
|
state = card->states[1];
|
2344 |
|
|
if(state)
|
2345 |
|
|
{
|
2346 |
|
|
dmabuf = &state->dmabuf;
|
2347 |
|
|
poll_wait(file, &dmabuf->wait, wait);
|
2348 |
|
|
}
|
2349 |
|
|
}
|
2350 |
|
|
if (file->f_mode & FMODE_READ)
|
2351 |
|
|
{
|
2352 |
|
|
state = card->states[0];
|
2353 |
|
|
if(state)
|
2354 |
|
|
{
|
2355 |
|
|
dmabuf = &state->dmabuf;
|
2356 |
|
|
poll_wait(file, &dmabuf->wait, wait);
|
2357 |
|
|
}
|
2358 |
|
|
}
|
2359 |
|
|
|
2360 |
|
|
spin_lock_irqsave(&card->lock, flags);
|
2361 |
|
|
cs_update_ptr(card, CS_FALSE);
|
2362 |
|
|
if (file->f_mode & FMODE_READ) {
|
2363 |
|
|
state = card->states[0];
|
2364 |
|
|
if(state)
|
2365 |
|
|
{
|
2366 |
|
|
dmabuf = &state->dmabuf;
|
2367 |
|
|
if (dmabuf->count >= (signed)dmabuf->fragsize)
|
2368 |
|
|
mask |= POLLIN | POLLRDNORM;
|
2369 |
|
|
}
|
2370 |
|
|
}
|
2371 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2372 |
|
|
state = card->states[1];
|
2373 |
|
|
if(state)
|
2374 |
|
|
{
|
2375 |
|
|
dmabuf = &state->dmabuf;
|
2376 |
|
|
if (dmabuf->mapped) {
|
2377 |
|
|
if (dmabuf->count >= (signed)dmabuf->fragsize)
|
2378 |
|
|
mask |= POLLOUT | POLLWRNORM;
|
2379 |
|
|
} else {
|
2380 |
|
|
if ((signed)dmabuf->dmasize >= dmabuf->count
|
2381 |
|
|
+ (signed)dmabuf->fragsize)
|
2382 |
|
|
mask |= POLLOUT | POLLWRNORM;
|
2383 |
|
|
}
|
2384 |
|
|
}
|
2385 |
|
|
}
|
2386 |
|
|
spin_unlock_irqrestore(&card->lock, flags);
|
2387 |
|
|
|
2388 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_poll()- (0x%x) \n",
|
2389 |
|
|
mask));
|
2390 |
|
|
return mask;
|
2391 |
|
|
}
|
2392 |
|
|
|
2393 |
|
|
/*
|
2394 |
|
|
* We let users mmap the ring buffer. Its not the real DMA buffer but
|
2395 |
|
|
* that side of the code is hidden in the IRQ handling. We do a software
|
2396 |
|
|
* emulation of DMA from a 64K or so buffer into a 2K FIFO.
|
2397 |
|
|
* (the hardware probably deserves a moan here but Crystal send me nice
|
2398 |
|
|
* toys ;)).
|
2399 |
|
|
*/
|
2400 |
|
|
|
2401 |
|
|
static int cs_mmap(struct file *file, struct vm_area_struct *vma)
|
2402 |
|
|
{
|
2403 |
|
|
struct cs_card *card = (struct cs_card *)file->private_data;
|
2404 |
|
|
struct cs_state *state;
|
2405 |
|
|
struct dmabuf *dmabuf;
|
2406 |
|
|
int ret = 0;
|
2407 |
|
|
unsigned long size;
|
2408 |
|
|
|
2409 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_PARMS, 2, printk("cs46xx: cs_mmap()+ file=0x%x %s %s\n",
|
2410 |
|
|
(unsigned)file, vma->vm_flags & VM_WRITE ? "VM_WRITE" : "",
|
2411 |
|
|
vma->vm_flags & VM_READ ? "VM_READ" : "") );
|
2412 |
|
|
|
2413 |
|
|
if (vma->vm_flags & VM_WRITE) {
|
2414 |
|
|
state = card->states[1];
|
2415 |
|
|
if(state)
|
2416 |
|
|
{
|
2417 |
|
|
CS_DBGOUT(CS_OPEN, 2, printk(
|
2418 |
|
|
"cs46xx: cs_mmap() VM_WRITE - state TRUE prog_dmabuf DAC\n") );
|
2419 |
|
|
if ((ret = prog_dmabuf(state)) != 0)
|
2420 |
|
|
return ret;
|
2421 |
|
|
}
|
2422 |
|
|
} else if (vma->vm_flags & VM_READ) {
|
2423 |
|
|
state = card->states[0];
|
2424 |
|
|
if(state)
|
2425 |
|
|
{
|
2426 |
|
|
CS_DBGOUT(CS_OPEN, 2, printk(
|
2427 |
|
|
"cs46xx: cs_mmap() VM_READ - state TRUE prog_dmabuf ADC\n") );
|
2428 |
|
|
if ((ret = prog_dmabuf(state)) != 0)
|
2429 |
|
|
return ret;
|
2430 |
|
|
}
|
2431 |
|
|
} else {
|
2432 |
|
|
CS_DBGOUT(CS_ERROR, 2, printk(
|
2433 |
|
|
"cs46xx: cs_mmap() return -EINVAL\n") );
|
2434 |
|
|
return -EINVAL;
|
2435 |
|
|
}
|
2436 |
|
|
|
2437 |
|
|
/*
|
2438 |
|
|
* For now ONLY support playback, but seems like the only way to use
|
2439 |
|
|
* mmap() is to open an FD with RDWR, just read or just write access
|
2440 |
|
|
* does not function, get an error back from the kernel.
|
2441 |
|
|
* Also, QuakeIII opens with RDWR! So, there must be something
|
2442 |
|
|
* to needing read/write access mapping. So, allow read/write but
|
2443 |
|
|
* use the DAC only.
|
2444 |
|
|
*/
|
2445 |
|
|
state = card->states[1];
|
2446 |
|
|
if(!(unsigned)state)
|
2447 |
|
|
{
|
2448 |
|
|
ret = -EINVAL;
|
2449 |
|
|
goto out;
|
2450 |
|
|
}
|
2451 |
|
|
|
2452 |
|
|
down(&state->sem);
|
2453 |
|
|
dmabuf = &state->dmabuf;
|
2454 |
|
|
if (cs4x_pgoff(vma) != 0)
|
2455 |
|
|
{
|
2456 |
|
|
ret = -EINVAL;
|
2457 |
|
|
goto out;
|
2458 |
|
|
}
|
2459 |
|
|
size = vma->vm_end - vma->vm_start;
|
2460 |
|
|
|
2461 |
|
|
CS_DBGOUT(CS_PARMS, 2, printk("cs46xx: cs_mmap(): size=%d\n",(unsigned)size) );
|
2462 |
|
|
|
2463 |
|
|
if (size > (PAGE_SIZE << dmabuf->buforder))
|
2464 |
|
|
{
|
2465 |
|
|
ret = -EINVAL;
|
2466 |
|
|
goto out;
|
2467 |
|
|
}
|
2468 |
|
|
if (remap_page_range(vma->vm_start, virt_to_phys(dmabuf->rawbuf),
|
2469 |
|
|
size, vma->vm_page_prot))
|
2470 |
|
|
{
|
2471 |
|
|
ret = -EAGAIN;
|
2472 |
|
|
goto out;
|
2473 |
|
|
}
|
2474 |
|
|
dmabuf->mapped = 1;
|
2475 |
|
|
|
2476 |
|
|
CS_DBGOUT(CS_FUNCTION, 2, printk("cs46xx: cs_mmap()-\n") );
|
2477 |
|
|
out:
|
2478 |
|
|
up(&state->sem);
|
2479 |
|
|
return ret;
|
2480 |
|
|
}
|
2481 |
|
|
|
2482 |
|
|
static int cs_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
|
2483 |
|
|
{
|
2484 |
|
|
struct cs_card *card = (struct cs_card *)file->private_data;
|
2485 |
|
|
struct cs_state *state;
|
2486 |
|
|
struct dmabuf *dmabuf=0;
|
2487 |
|
|
unsigned long flags;
|
2488 |
|
|
audio_buf_info abinfo;
|
2489 |
|
|
count_info cinfo;
|
2490 |
|
|
int val, valsave, mapped, ret;
|
2491 |
|
|
|
2492 |
|
|
state = (struct cs_state *)card->states[0];
|
2493 |
|
|
if(state)
|
2494 |
|
|
{
|
2495 |
|
|
dmabuf = &state->dmabuf;
|
2496 |
|
|
mapped = (file->f_mode & FMODE_READ) && dmabuf->mapped;
|
2497 |
|
|
}
|
2498 |
|
|
state = (struct cs_state *)card->states[1];
|
2499 |
|
|
if(state)
|
2500 |
|
|
{
|
2501 |
|
|
dmabuf = &state->dmabuf;
|
2502 |
|
|
mapped |= (file->f_mode & FMODE_WRITE) && dmabuf->mapped;
|
2503 |
|
|
}
|
2504 |
|
|
|
2505 |
|
|
#if CSDEBUG
|
2506 |
|
|
printioctl(cmd);
|
2507 |
|
|
#endif
|
2508 |
|
|
|
2509 |
|
|
switch (cmd)
|
2510 |
|
|
{
|
2511 |
|
|
case OSS_GETVERSION:
|
2512 |
|
|
return put_user(SOUND_VERSION, (int *)arg);
|
2513 |
|
|
|
2514 |
|
|
case SNDCTL_DSP_RESET:
|
2515 |
|
|
/* FIXME: spin_lock ? */
|
2516 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2517 |
|
|
state = (struct cs_state *)card->states[1];
|
2518 |
|
|
if(state)
|
2519 |
|
|
{
|
2520 |
|
|
dmabuf = &state->dmabuf;
|
2521 |
|
|
stop_dac(state);
|
2522 |
|
|
synchronize_irq();
|
2523 |
|
|
dmabuf->ready = 0;
|
2524 |
|
|
resync_dma_ptrs(state);
|
2525 |
|
|
dmabuf->swptr = dmabuf->hwptr = 0;
|
2526 |
|
|
dmabuf->count = dmabuf->total_bytes = 0;
|
2527 |
|
|
dmabuf->blocks = 0;
|
2528 |
|
|
dmabuf->SGok = 0;
|
2529 |
|
|
}
|
2530 |
|
|
}
|
2531 |
|
|
if (file->f_mode & FMODE_READ) {
|
2532 |
|
|
state = (struct cs_state *)card->states[0];
|
2533 |
|
|
if(state)
|
2534 |
|
|
{
|
2535 |
|
|
dmabuf = &state->dmabuf;
|
2536 |
|
|
stop_adc(state);
|
2537 |
|
|
synchronize_irq();
|
2538 |
|
|
resync_dma_ptrs(state);
|
2539 |
|
|
dmabuf->ready = 0;
|
2540 |
|
|
dmabuf->swptr = dmabuf->hwptr = 0;
|
2541 |
|
|
dmabuf->count = dmabuf->total_bytes = 0;
|
2542 |
|
|
dmabuf->blocks = 0;
|
2543 |
|
|
dmabuf->SGok = 0;
|
2544 |
|
|
}
|
2545 |
|
|
}
|
2546 |
|
|
CS_DBGOUT(CS_IOCTL, 2, printk("cs46xx: DSP_RESET()-\n") );
|
2547 |
|
|
return 0;
|
2548 |
|
|
|
2549 |
|
|
case SNDCTL_DSP_SYNC:
|
2550 |
|
|
if (file->f_mode & FMODE_WRITE)
|
2551 |
|
|
return drain_dac(state, file->f_flags & O_NONBLOCK);
|
2552 |
|
|
return 0;
|
2553 |
|
|
|
2554 |
|
|
case SNDCTL_DSP_SPEED: /* set sample rate */
|
2555 |
|
|
if (get_user(val, (int *)arg))
|
2556 |
|
|
return -EFAULT;
|
2557 |
|
|
if (val >= 0) {
|
2558 |
|
|
if (file->f_mode & FMODE_READ) {
|
2559 |
|
|
state = (struct cs_state *)card->states[0];
|
2560 |
|
|
if(state)
|
2561 |
|
|
{
|
2562 |
|
|
dmabuf = &state->dmabuf;
|
2563 |
|
|
stop_adc(state);
|
2564 |
|
|
dmabuf->ready = 0;
|
2565 |
|
|
dmabuf->SGok = 0;
|
2566 |
|
|
cs_set_adc_rate(state, val);
|
2567 |
|
|
cs_set_divisor(dmabuf);
|
2568 |
|
|
}
|
2569 |
|
|
}
|
2570 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2571 |
|
|
state = (struct cs_state *)card->states[1];
|
2572 |
|
|
if(state)
|
2573 |
|
|
{
|
2574 |
|
|
dmabuf = &state->dmabuf;
|
2575 |
|
|
stop_dac(state);
|
2576 |
|
|
dmabuf->ready = 0;
|
2577 |
|
|
dmabuf->SGok = 0;
|
2578 |
|
|
cs_set_dac_rate(state, val);
|
2579 |
|
|
cs_set_divisor(dmabuf);
|
2580 |
|
|
}
|
2581 |
|
|
}
|
2582 |
|
|
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(
|
2583 |
|
|
"cs46xx: cs_ioctl() DSP_SPEED %s %s %d\n",
|
2584 |
|
|
file->f_mode & FMODE_WRITE ? "DAC" : "",
|
2585 |
|
|
file->f_mode & FMODE_READ ? "ADC" : "",
|
2586 |
|
|
dmabuf->rate ) );
|
2587 |
|
|
return put_user(dmabuf->rate, (int *)arg);
|
2588 |
|
|
}
|
2589 |
|
|
return put_user(0, (int *)arg);
|
2590 |
|
|
|
2591 |
|
|
case SNDCTL_DSP_STEREO: /* set stereo or mono channel */
|
2592 |
|
|
if (get_user(val, (int *)arg))
|
2593 |
|
|
return -EFAULT;
|
2594 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2595 |
|
|
state = (struct cs_state *)card->states[1];
|
2596 |
|
|
if(state)
|
2597 |
|
|
{
|
2598 |
|
|
dmabuf = &state->dmabuf;
|
2599 |
|
|
stop_dac(state);
|
2600 |
|
|
dmabuf->ready = 0;
|
2601 |
|
|
dmabuf->SGok = 0;
|
2602 |
|
|
if(val)
|
2603 |
|
|
dmabuf->fmt |= CS_FMT_STEREO;
|
2604 |
|
|
else
|
2605 |
|
|
dmabuf->fmt &= ~CS_FMT_STEREO;
|
2606 |
|
|
cs_set_divisor(dmabuf);
|
2607 |
|
|
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(
|
2608 |
|
|
"cs46xx: DSP_STEREO() DAC %s\n",
|
2609 |
|
|
(dmabuf->fmt & CS_FMT_STEREO) ?
|
2610 |
|
|
"STEREO":"MONO") );
|
2611 |
|
|
}
|
2612 |
|
|
}
|
2613 |
|
|
if (file->f_mode & FMODE_READ) {
|
2614 |
|
|
state = (struct cs_state *)card->states[0];
|
2615 |
|
|
if(state)
|
2616 |
|
|
{
|
2617 |
|
|
dmabuf = &state->dmabuf;
|
2618 |
|
|
stop_adc(state);
|
2619 |
|
|
dmabuf->ready = 0;
|
2620 |
|
|
dmabuf->SGok = 0;
|
2621 |
|
|
if(val)
|
2622 |
|
|
dmabuf->fmt |= CS_FMT_STEREO;
|
2623 |
|
|
else
|
2624 |
|
|
dmabuf->fmt &= ~CS_FMT_STEREO;
|
2625 |
|
|
cs_set_divisor(dmabuf);
|
2626 |
|
|
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(
|
2627 |
|
|
"cs46xx: DSP_STEREO() ADC %s\n",
|
2628 |
|
|
(dmabuf->fmt & CS_FMT_STEREO) ?
|
2629 |
|
|
"STEREO":"MONO") );
|
2630 |
|
|
}
|
2631 |
|
|
}
|
2632 |
|
|
return 0;
|
2633 |
|
|
|
2634 |
|
|
case SNDCTL_DSP_GETBLKSIZE:
|
2635 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2636 |
|
|
state = (struct cs_state *)card->states[1];
|
2637 |
|
|
if(state)
|
2638 |
|
|
{
|
2639 |
|
|
dmabuf = &state->dmabuf;
|
2640 |
|
|
if ((val = prog_dmabuf(state)))
|
2641 |
|
|
return val;
|
2642 |
|
|
return put_user(dmabuf->fragsize, (int *)arg);
|
2643 |
|
|
}
|
2644 |
|
|
}
|
2645 |
|
|
if (file->f_mode & FMODE_READ) {
|
2646 |
|
|
state = (struct cs_state *)card->states[0];
|
2647 |
|
|
if(state)
|
2648 |
|
|
{
|
2649 |
|
|
dmabuf = &state->dmabuf;
|
2650 |
|
|
if ((val = prog_dmabuf(state)))
|
2651 |
|
|
return val;
|
2652 |
|
|
return put_user(dmabuf->fragsize/dmabuf->divisor,
|
2653 |
|
|
(int *)arg);
|
2654 |
|
|
}
|
2655 |
|
|
}
|
2656 |
|
|
return put_user(0, (int *)arg);
|
2657 |
|
|
|
2658 |
|
|
case SNDCTL_DSP_GETFMTS: /* Returns a mask of supported sample format*/
|
2659 |
|
|
return put_user(AFMT_S16_LE | AFMT_U8, (int *)arg);
|
2660 |
|
|
|
2661 |
|
|
case SNDCTL_DSP_SETFMT: /* Select sample format */
|
2662 |
|
|
if (get_user(val, (int *)arg))
|
2663 |
|
|
return -EFAULT;
|
2664 |
|
|
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(
|
2665 |
|
|
"cs46xx: cs_ioctl() DSP_SETFMT %s %s %s %s\n",
|
2666 |
|
|
file->f_mode & FMODE_WRITE ? "DAC" : "",
|
2667 |
|
|
file->f_mode & FMODE_READ ? "ADC" : "",
|
2668 |
|
|
val == AFMT_S16_LE ? "16Bit Signed" : "",
|
2669 |
|
|
val == AFMT_U8 ? "8Bit Unsigned" : "") );
|
2670 |
|
|
valsave = val;
|
2671 |
|
|
if (val != AFMT_QUERY) {
|
2672 |
|
|
if(val==AFMT_S16_LE || val==AFMT_U8)
|
2673 |
|
|
{
|
2674 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2675 |
|
|
state = (struct cs_state *)card->states[1];
|
2676 |
|
|
if(state)
|
2677 |
|
|
{
|
2678 |
|
|
dmabuf = &state->dmabuf;
|
2679 |
|
|
stop_dac(state);
|
2680 |
|
|
dmabuf->ready = 0;
|
2681 |
|
|
dmabuf->SGok = 0;
|
2682 |
|
|
if(val==AFMT_S16_LE)
|
2683 |
|
|
dmabuf->fmt |= CS_FMT_16BIT;
|
2684 |
|
|
else
|
2685 |
|
|
dmabuf->fmt &= ~CS_FMT_16BIT;
|
2686 |
|
|
cs_set_divisor(dmabuf);
|
2687 |
|
|
if((ret = prog_dmabuf(state)))
|
2688 |
|
|
return ret;
|
2689 |
|
|
}
|
2690 |
|
|
}
|
2691 |
|
|
if (file->f_mode & FMODE_READ) {
|
2692 |
|
|
val = valsave;
|
2693 |
|
|
state = (struct cs_state *)card->states[0];
|
2694 |
|
|
if(state)
|
2695 |
|
|
{
|
2696 |
|
|
dmabuf = &state->dmabuf;
|
2697 |
|
|
stop_adc(state);
|
2698 |
|
|
dmabuf->ready = 0;
|
2699 |
|
|
dmabuf->SGok = 0;
|
2700 |
|
|
if(val==AFMT_S16_LE)
|
2701 |
|
|
dmabuf->fmt |= CS_FMT_16BIT;
|
2702 |
|
|
else
|
2703 |
|
|
dmabuf->fmt &= ~CS_FMT_16BIT;
|
2704 |
|
|
cs_set_divisor(dmabuf);
|
2705 |
|
|
if((ret = prog_dmabuf(state)))
|
2706 |
|
|
return ret;
|
2707 |
|
|
}
|
2708 |
|
|
}
|
2709 |
|
|
}
|
2710 |
|
|
else
|
2711 |
|
|
{
|
2712 |
|
|
CS_DBGOUT(CS_IOCTL | CS_ERROR, 2, printk(
|
2713 |
|
|
"cs46xx: DSP_SETFMT() Unsupported format (0x%x)\n",
|
2714 |
|
|
valsave) );
|
2715 |
|
|
}
|
2716 |
|
|
}
|
2717 |
|
|
else
|
2718 |
|
|
{
|
2719 |
|
|
if(file->f_mode & FMODE_WRITE)
|
2720 |
|
|
{
|
2721 |
|
|
state = (struct cs_state *)card->states[1];
|
2722 |
|
|
if(state)
|
2723 |
|
|
dmabuf = &state->dmabuf;
|
2724 |
|
|
}
|
2725 |
|
|
else if(file->f_mode & FMODE_READ)
|
2726 |
|
|
{
|
2727 |
|
|
state = (struct cs_state *)card->states[0];
|
2728 |
|
|
if(state)
|
2729 |
|
|
dmabuf = &state->dmabuf;
|
2730 |
|
|
}
|
2731 |
|
|
}
|
2732 |
|
|
if(dmabuf)
|
2733 |
|
|
{
|
2734 |
|
|
if(dmabuf->fmt & CS_FMT_16BIT)
|
2735 |
|
|
return put_user(AFMT_S16_LE, (int *)arg);
|
2736 |
|
|
else
|
2737 |
|
|
return put_user(AFMT_U8, (int *)arg);
|
2738 |
|
|
}
|
2739 |
|
|
return put_user(0, (int *)arg);
|
2740 |
|
|
|
2741 |
|
|
case SNDCTL_DSP_CHANNELS:
|
2742 |
|
|
if (get_user(val, (int *)arg))
|
2743 |
|
|
return -EFAULT;
|
2744 |
|
|
if (val != 0) {
|
2745 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2746 |
|
|
state = (struct cs_state *)card->states[1];
|
2747 |
|
|
if(state)
|
2748 |
|
|
{
|
2749 |
|
|
dmabuf = &state->dmabuf;
|
2750 |
|
|
stop_dac(state);
|
2751 |
|
|
dmabuf->ready = 0;
|
2752 |
|
|
dmabuf->SGok = 0;
|
2753 |
|
|
if(val>1)
|
2754 |
|
|
dmabuf->fmt |= CS_FMT_STEREO;
|
2755 |
|
|
else
|
2756 |
|
|
dmabuf->fmt &= ~CS_FMT_STEREO;
|
2757 |
|
|
cs_set_divisor(dmabuf);
|
2758 |
|
|
if (prog_dmabuf(state))
|
2759 |
|
|
return 0;
|
2760 |
|
|
}
|
2761 |
|
|
}
|
2762 |
|
|
if (file->f_mode & FMODE_READ) {
|
2763 |
|
|
state = (struct cs_state *)card->states[0];
|
2764 |
|
|
if(state)
|
2765 |
|
|
{
|
2766 |
|
|
dmabuf = &state->dmabuf;
|
2767 |
|
|
stop_adc(state);
|
2768 |
|
|
dmabuf->ready = 0;
|
2769 |
|
|
dmabuf->SGok = 0;
|
2770 |
|
|
if(val>1)
|
2771 |
|
|
dmabuf->fmt |= CS_FMT_STEREO;
|
2772 |
|
|
else
|
2773 |
|
|
dmabuf->fmt &= ~CS_FMT_STEREO;
|
2774 |
|
|
cs_set_divisor(dmabuf);
|
2775 |
|
|
if (prog_dmabuf(state))
|
2776 |
|
|
return 0;
|
2777 |
|
|
}
|
2778 |
|
|
}
|
2779 |
|
|
}
|
2780 |
|
|
return put_user((dmabuf->fmt & CS_FMT_STEREO) ? 2 : 1,
|
2781 |
|
|
(int *)arg);
|
2782 |
|
|
|
2783 |
|
|
case SNDCTL_DSP_POST:
|
2784 |
|
|
/*
|
2785 |
|
|
* There will be a longer than normal pause in the data.
|
2786 |
|
|
* so... do nothing, because there is nothing that we can do.
|
2787 |
|
|
*/
|
2788 |
|
|
return 0;
|
2789 |
|
|
|
2790 |
|
|
case SNDCTL_DSP_SUBDIVIDE:
|
2791 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2792 |
|
|
state = (struct cs_state *)card->states[1];
|
2793 |
|
|
if(state)
|
2794 |
|
|
{
|
2795 |
|
|
dmabuf = &state->dmabuf;
|
2796 |
|
|
if (dmabuf->subdivision)
|
2797 |
|
|
return -EINVAL;
|
2798 |
|
|
if (get_user(val, (int *)arg))
|
2799 |
|
|
return -EFAULT;
|
2800 |
|
|
if (val != 1 && val != 2)
|
2801 |
|
|
return -EINVAL;
|
2802 |
|
|
dmabuf->subdivision = val;
|
2803 |
|
|
}
|
2804 |
|
|
}
|
2805 |
|
|
if (file->f_mode & FMODE_READ) {
|
2806 |
|
|
state = (struct cs_state *)card->states[0];
|
2807 |
|
|
if(state)
|
2808 |
|
|
{
|
2809 |
|
|
dmabuf = &state->dmabuf;
|
2810 |
|
|
if (dmabuf->subdivision)
|
2811 |
|
|
return -EINVAL;
|
2812 |
|
|
if (get_user(val, (int *)arg))
|
2813 |
|
|
return -EFAULT;
|
2814 |
|
|
if (val != 1 && val != 2)
|
2815 |
|
|
return -EINVAL;
|
2816 |
|
|
dmabuf->subdivision = val;
|
2817 |
|
|
}
|
2818 |
|
|
}
|
2819 |
|
|
return 0;
|
2820 |
|
|
|
2821 |
|
|
case SNDCTL_DSP_SETFRAGMENT:
|
2822 |
|
|
if (get_user(val, (int *)arg))
|
2823 |
|
|
return -EFAULT;
|
2824 |
|
|
|
2825 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2826 |
|
|
state = (struct cs_state *)card->states[1];
|
2827 |
|
|
if(state)
|
2828 |
|
|
{
|
2829 |
|
|
dmabuf = &state->dmabuf;
|
2830 |
|
|
dmabuf->ossfragshift = val & 0xffff;
|
2831 |
|
|
dmabuf->ossmaxfrags = (val >> 16) & 0xffff;
|
2832 |
|
|
}
|
2833 |
|
|
}
|
2834 |
|
|
if (file->f_mode & FMODE_READ) {
|
2835 |
|
|
state = (struct cs_state *)card->states[0];
|
2836 |
|
|
if(state)
|
2837 |
|
|
{
|
2838 |
|
|
dmabuf = &state->dmabuf;
|
2839 |
|
|
dmabuf->ossfragshift = val & 0xffff;
|
2840 |
|
|
dmabuf->ossmaxfrags = (val >> 16) & 0xffff;
|
2841 |
|
|
}
|
2842 |
|
|
}
|
2843 |
|
|
return 0;
|
2844 |
|
|
|
2845 |
|
|
case SNDCTL_DSP_GETOSPACE:
|
2846 |
|
|
if (!(file->f_mode & FMODE_WRITE))
|
2847 |
|
|
return -EINVAL;
|
2848 |
|
|
state = (struct cs_state *)card->states[1];
|
2849 |
|
|
if(state)
|
2850 |
|
|
{
|
2851 |
|
|
dmabuf = &state->dmabuf;
|
2852 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
2853 |
|
|
cs_update_ptr(card, CS_TRUE);
|
2854 |
|
|
abinfo.fragsize = dmabuf->fragsize;
|
2855 |
|
|
abinfo.fragstotal = dmabuf->numfrag;
|
2856 |
|
|
/*
|
2857 |
|
|
* for mmap we always have total space available
|
2858 |
|
|
*/
|
2859 |
|
|
if (dmabuf->mapped)
|
2860 |
|
|
abinfo.bytes = dmabuf->dmasize;
|
2861 |
|
|
else
|
2862 |
|
|
abinfo.bytes = dmabuf->dmasize - dmabuf->count;
|
2863 |
|
|
|
2864 |
|
|
abinfo.fragments = abinfo.bytes >> dmabuf->fragshift;
|
2865 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
2866 |
|
|
return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
|
2867 |
|
|
}
|
2868 |
|
|
return -ENODEV;
|
2869 |
|
|
|
2870 |
|
|
case SNDCTL_DSP_GETISPACE:
|
2871 |
|
|
if (!(file->f_mode & FMODE_READ))
|
2872 |
|
|
return -EINVAL;
|
2873 |
|
|
state = (struct cs_state *)card->states[0];
|
2874 |
|
|
if(state)
|
2875 |
|
|
{
|
2876 |
|
|
dmabuf = &state->dmabuf;
|
2877 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
2878 |
|
|
cs_update_ptr(card, CS_TRUE);
|
2879 |
|
|
abinfo.fragsize = dmabuf->fragsize/dmabuf->divisor;
|
2880 |
|
|
abinfo.bytes = dmabuf->count/dmabuf->divisor;
|
2881 |
|
|
abinfo.fragstotal = dmabuf->numfrag;
|
2882 |
|
|
abinfo.fragments = abinfo.bytes >> dmabuf->fragshift;
|
2883 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
2884 |
|
|
return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
|
2885 |
|
|
}
|
2886 |
|
|
return -ENODEV;
|
2887 |
|
|
|
2888 |
|
|
case SNDCTL_DSP_NONBLOCK:
|
2889 |
|
|
file->f_flags |= O_NONBLOCK;
|
2890 |
|
|
return 0;
|
2891 |
|
|
|
2892 |
|
|
case SNDCTL_DSP_GETCAPS:
|
2893 |
|
|
return put_user(DSP_CAP_REALTIME|DSP_CAP_TRIGGER|DSP_CAP_MMAP,
|
2894 |
|
|
(int *)arg);
|
2895 |
|
|
|
2896 |
|
|
case SNDCTL_DSP_GETTRIGGER:
|
2897 |
|
|
val = 0;
|
2898 |
|
|
CS_DBGOUT(CS_IOCTL, 2, printk("cs46xx: DSP_GETTRIGGER()+\n") );
|
2899 |
|
|
if (file->f_mode & FMODE_WRITE)
|
2900 |
|
|
{
|
2901 |
|
|
state = (struct cs_state *)card->states[1];
|
2902 |
|
|
if(state)
|
2903 |
|
|
{
|
2904 |
|
|
dmabuf = &state->dmabuf;
|
2905 |
|
|
if(dmabuf->enable & DAC_RUNNING)
|
2906 |
|
|
val |= PCM_ENABLE_INPUT;
|
2907 |
|
|
}
|
2908 |
|
|
}
|
2909 |
|
|
if (file->f_mode & FMODE_READ)
|
2910 |
|
|
{
|
2911 |
|
|
if(state)
|
2912 |
|
|
{
|
2913 |
|
|
state = (struct cs_state *)card->states[0];
|
2914 |
|
|
dmabuf = &state->dmabuf;
|
2915 |
|
|
if(dmabuf->enable & ADC_RUNNING)
|
2916 |
|
|
val |= PCM_ENABLE_OUTPUT;
|
2917 |
|
|
}
|
2918 |
|
|
}
|
2919 |
|
|
CS_DBGOUT(CS_IOCTL, 2, printk("cs46xx: DSP_GETTRIGGER()- val=0x%x\n",val) );
|
2920 |
|
|
return put_user(val, (int *)arg);
|
2921 |
|
|
|
2922 |
|
|
case SNDCTL_DSP_SETTRIGGER:
|
2923 |
|
|
if (get_user(val, (int *)arg))
|
2924 |
|
|
return -EFAULT;
|
2925 |
|
|
if (file->f_mode & FMODE_READ) {
|
2926 |
|
|
state = (struct cs_state *)card->states[0];
|
2927 |
|
|
if(state)
|
2928 |
|
|
{
|
2929 |
|
|
dmabuf = &state->dmabuf;
|
2930 |
|
|
if (val & PCM_ENABLE_INPUT) {
|
2931 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state)))
|
2932 |
|
|
return ret;
|
2933 |
|
|
start_adc(state);
|
2934 |
|
|
} else
|
2935 |
|
|
stop_adc(state);
|
2936 |
|
|
}
|
2937 |
|
|
}
|
2938 |
|
|
if (file->f_mode & FMODE_WRITE) {
|
2939 |
|
|
state = (struct cs_state *)card->states[1];
|
2940 |
|
|
if(state)
|
2941 |
|
|
{
|
2942 |
|
|
dmabuf = &state->dmabuf;
|
2943 |
|
|
if (val & PCM_ENABLE_OUTPUT) {
|
2944 |
|
|
if (!dmabuf->ready && (ret = prog_dmabuf(state)))
|
2945 |
|
|
return ret;
|
2946 |
|
|
start_dac(state);
|
2947 |
|
|
} else
|
2948 |
|
|
stop_dac(state);
|
2949 |
|
|
}
|
2950 |
|
|
}
|
2951 |
|
|
return 0;
|
2952 |
|
|
|
2953 |
|
|
case SNDCTL_DSP_GETIPTR:
|
2954 |
|
|
if (!(file->f_mode & FMODE_READ))
|
2955 |
|
|
return -EINVAL;
|
2956 |
|
|
state = (struct cs_state *)card->states[0];
|
2957 |
|
|
if(state)
|
2958 |
|
|
{
|
2959 |
|
|
dmabuf = &state->dmabuf;
|
2960 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
2961 |
|
|
cs_update_ptr(card, CS_TRUE);
|
2962 |
|
|
cinfo.bytes = dmabuf->total_bytes/dmabuf->divisor;
|
2963 |
|
|
cinfo.blocks = dmabuf->count/dmabuf->divisor >> dmabuf->fragshift;
|
2964 |
|
|
cinfo.ptr = dmabuf->hwptr/dmabuf->divisor;
|
2965 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
2966 |
|
|
return copy_to_user((void *)arg, &cinfo, sizeof(cinfo)) ? -EFAULT : 0;
|
2967 |
|
|
}
|
2968 |
|
|
return -ENODEV;
|
2969 |
|
|
|
2970 |
|
|
case SNDCTL_DSP_GETOPTR:
|
2971 |
|
|
if (!(file->f_mode & FMODE_WRITE))
|
2972 |
|
|
return -EINVAL;
|
2973 |
|
|
state = (struct cs_state *)card->states[1];
|
2974 |
|
|
if(state)
|
2975 |
|
|
{
|
2976 |
|
|
dmabuf = &state->dmabuf;
|
2977 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
2978 |
|
|
cs_update_ptr(card, CS_TRUE);
|
2979 |
|
|
cinfo.bytes = dmabuf->total_bytes;
|
2980 |
|
|
if (dmabuf->mapped)
|
2981 |
|
|
{
|
2982 |
|
|
cinfo.blocks = (cinfo.bytes >> dmabuf->fragshift)
|
2983 |
|
|
- dmabuf->blocks;
|
2984 |
|
|
CS_DBGOUT(CS_PARMS, 8,
|
2985 |
|
|
printk("total_bytes=%d blocks=%d dmabuf->blocks=%d\n",
|
2986 |
|
|
cinfo.bytes,cinfo.blocks,dmabuf->blocks) );
|
2987 |
|
|
dmabuf->blocks = cinfo.bytes >> dmabuf->fragshift;
|
2988 |
|
|
}
|
2989 |
|
|
else
|
2990 |
|
|
{
|
2991 |
|
|
cinfo.blocks = dmabuf->count >> dmabuf->fragshift;
|
2992 |
|
|
}
|
2993 |
|
|
cinfo.ptr = dmabuf->hwptr;
|
2994 |
|
|
|
2995 |
|
|
CS_DBGOUT(CS_PARMS, 4, printk(
|
2996 |
|
|
"cs46xx: GETOPTR bytes=%d blocks=%d ptr=%d\n",
|
2997 |
|
|
cinfo.bytes,cinfo.blocks,cinfo.ptr) );
|
2998 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
2999 |
|
|
return copy_to_user((void *)arg, &cinfo, sizeof(cinfo)) ? -EFAULT : 0;
|
3000 |
|
|
}
|
3001 |
|
|
return -ENODEV;
|
3002 |
|
|
|
3003 |
|
|
case SNDCTL_DSP_SETDUPLEX:
|
3004 |
|
|
return 0;
|
3005 |
|
|
|
3006 |
|
|
case SNDCTL_DSP_GETODELAY:
|
3007 |
|
|
if (!(file->f_mode & FMODE_WRITE))
|
3008 |
|
|
return -EINVAL;
|
3009 |
|
|
state = (struct cs_state *)card->states[1];
|
3010 |
|
|
if(state)
|
3011 |
|
|
{
|
3012 |
|
|
dmabuf = &state->dmabuf;
|
3013 |
|
|
spin_lock_irqsave(&state->card->lock, flags);
|
3014 |
|
|
cs_update_ptr(card, CS_TRUE);
|
3015 |
|
|
val = dmabuf->count;
|
3016 |
|
|
spin_unlock_irqrestore(&state->card->lock, flags);
|
3017 |
|
|
}
|
3018 |
|
|
else
|
3019 |
|
|
val = 0;
|
3020 |
|
|
return put_user(val, (int *)arg);
|
3021 |
|
|
|
3022 |
|
|
case SOUND_PCM_READ_RATE:
|
3023 |
|
|
if(file->f_mode & FMODE_READ)
|
3024 |
|
|
state = (struct cs_state *)card->states[0];
|
3025 |
|
|
else
|
3026 |
|
|
state = (struct cs_state *)card->states[1];
|
3027 |
|
|
if(state)
|
3028 |
|
|
{
|
3029 |
|
|
dmabuf = &state->dmabuf;
|
3030 |
|
|
return put_user(dmabuf->rate, (int *)arg);
|
3031 |
|
|
}
|
3032 |
|
|
return put_user(0, (int *)arg);
|
3033 |
|
|
|
3034 |
|
|
|
3035 |
|
|
case SOUND_PCM_READ_CHANNELS:
|
3036 |
|
|
if(file->f_mode & FMODE_READ)
|
3037 |
|
|
state = (struct cs_state *)card->states[0];
|
3038 |
|
|
else
|
3039 |
|
|
state = (struct cs_state *)card->states[1];
|
3040 |
|
|
if(state)
|
3041 |
|
|
{
|
3042 |
|
|
dmabuf = &state->dmabuf;
|
3043 |
|
|
return put_user((dmabuf->fmt & CS_FMT_STEREO) ? 2 : 1,
|
3044 |
|
|
(int *)arg);
|
3045 |
|
|
}
|
3046 |
|
|
return put_user(0, (int *)arg);
|
3047 |
|
|
|
3048 |
|
|
case SOUND_PCM_READ_BITS:
|
3049 |
|
|
if(file->f_mode & FMODE_READ)
|
3050 |
|
|
state = (struct cs_state *)card->states[0];
|
3051 |
|
|
else
|
3052 |
|
|
state = (struct cs_state *)card->states[1];
|
3053 |
|
|
if(state)
|
3054 |
|
|
{
|
3055 |
|
|
dmabuf = &state->dmabuf;
|
3056 |
|
|
return put_user((dmabuf->fmt & CS_FMT_16BIT) ?
|
3057 |
|
|
AFMT_S16_LE : AFMT_U8, (int *)arg);
|
3058 |
|
|
|
3059 |
|
|
}
|
3060 |
|
|
return put_user(0, (int *)arg);
|
3061 |
|
|
|
3062 |
|
|
case SNDCTL_DSP_MAPINBUF:
|
3063 |
|
|
case SNDCTL_DSP_MAPOUTBUF:
|
3064 |
|
|
case SNDCTL_DSP_SETSYNCRO:
|
3065 |
|
|
case SOUND_PCM_WRITE_FILTER:
|
3066 |
|
|
case SOUND_PCM_READ_FILTER:
|
3067 |
|
|
return -EINVAL;
|
3068 |
|
|
}
|
3069 |
|
|
return -EINVAL;
|
3070 |
|
|
}
|
3071 |
|
|
|
3072 |
|
|
|
3073 |
|
|
/*
|
3074 |
|
|
* AMP control - null AMP
|
3075 |
|
|
*/
|
3076 |
|
|
|
3077 |
|
|
static void amp_none(struct cs_card *card, int change)
|
3078 |
|
|
{
|
3079 |
|
|
}
|
3080 |
|
|
|
3081 |
|
|
/*
|
3082 |
|
|
* Crystal EAPD mode
|
3083 |
|
|
*/
|
3084 |
|
|
|
3085 |
|
|
static void amp_voyetra(struct cs_card *card, int change)
|
3086 |
|
|
{
|
3087 |
|
|
/* Manage the EAPD bit on the Crystal 4297
|
3088 |
|
|
and the Analog AD1885 */
|
3089 |
|
|
|
3090 |
|
|
int old=card->amplifier;
|
3091 |
|
|
|
3092 |
|
|
card->amplifier+=change;
|
3093 |
|
|
if(card->amplifier && !old)
|
3094 |
|
|
{
|
3095 |
|
|
/* Turn the EAPD amp on */
|
3096 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL,
|
3097 |
|
|
cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) |
|
3098 |
|
|
0x8000);
|
3099 |
|
|
}
|
3100 |
|
|
else if(old && !card->amplifier)
|
3101 |
|
|
{
|
3102 |
|
|
/* Turn the EAPD amp off */
|
3103 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL,
|
3104 |
|
|
cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
3105 |
|
|
~0x8000);
|
3106 |
|
|
}
|
3107 |
|
|
}
|
3108 |
|
|
|
3109 |
|
|
|
3110 |
|
|
/*
|
3111 |
|
|
* Game Theatre XP card - EGPIO[2] is used to enable the external amp.
|
3112 |
|
|
*/
|
3113 |
|
|
|
3114 |
|
|
static void amp_hercules(struct cs_card *card, int change)
|
3115 |
|
|
{
|
3116 |
|
|
int old=card->amplifier;
|
3117 |
|
|
if(!card)
|
3118 |
|
|
{
|
3119 |
|
|
CS_DBGOUT(CS_ERROR, 2, printk(KERN_INFO
|
3120 |
|
|
"cs46xx: amp_hercules() called before initialized.\n"));
|
3121 |
|
|
return;
|
3122 |
|
|
}
|
3123 |
|
|
card->amplifier+=change;
|
3124 |
|
|
if( (card->amplifier && !old) && !(hercules_egpio_disable))
|
3125 |
|
|
{
|
3126 |
|
|
CS_DBGOUT(CS_PARMS, 4, printk(KERN_INFO
|
3127 |
|
|
"cs46xx: amp_hercules() external amp enabled\n"));
|
3128 |
|
|
cs461x_pokeBA0(card, BA0_EGPIODR,
|
3129 |
|
|
EGPIODR_GPOE2); /* enable EGPIO2 output */
|
3130 |
|
|
cs461x_pokeBA0(card, BA0_EGPIOPTR,
|
3131 |
|
|
EGPIOPTR_GPPT2); /* open-drain on output */
|
3132 |
|
|
}
|
3133 |
|
|
else if(old && !card->amplifier)
|
3134 |
|
|
{
|
3135 |
|
|
CS_DBGOUT(CS_PARMS, 4, printk(KERN_INFO
|
3136 |
|
|
"cs46xx: amp_hercules() external amp disabled\n"));
|
3137 |
|
|
cs461x_pokeBA0(card, BA0_EGPIODR, 0); /* disable */
|
3138 |
|
|
cs461x_pokeBA0(card, BA0_EGPIOPTR, 0); /* disable */
|
3139 |
|
|
}
|
3140 |
|
|
}
|
3141 |
|
|
|
3142 |
|
|
/*
|
3143 |
|
|
* Handle the CLKRUN on a thinkpad. We must disable CLKRUN support
|
3144 |
|
|
* whenever we need to beat on the chip.
|
3145 |
|
|
*
|
3146 |
|
|
* The original idea and code for this hack comes from David Kaiser at
|
3147 |
|
|
* Linuxcare. Perhaps one day Crystal will document their chips well
|
3148 |
|
|
* enough to make them useful.
|
3149 |
|
|
*/
|
3150 |
|
|
|
3151 |
|
|
static void clkrun_hack(struct cs_card *card, int change)
|
3152 |
|
|
{
|
3153 |
|
|
struct pci_dev *acpi_dev;
|
3154 |
|
|
u16 control;
|
3155 |
|
|
u8 pp;
|
3156 |
|
|
unsigned long port;
|
3157 |
|
|
int old=card->active;
|
3158 |
|
|
|
3159 |
|
|
card->active+=change;
|
3160 |
|
|
|
3161 |
|
|
acpi_dev = pci_find_device(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82371AB_3, NULL);
|
3162 |
|
|
if(acpi_dev == NULL)
|
3163 |
|
|
return; /* Not a thinkpad thats for sure */
|
3164 |
|
|
|
3165 |
|
|
/* Find the control port */
|
3166 |
|
|
pci_read_config_byte(acpi_dev, 0x41, &pp);
|
3167 |
|
|
port=pp<<8;
|
3168 |
|
|
|
3169 |
|
|
/* Read ACPI port */
|
3170 |
|
|
control=inw(port+0x10);
|
3171 |
|
|
|
3172 |
|
|
/* Flip CLKRUN off while running */
|
3173 |
|
|
if(!card->active && old)
|
3174 |
|
|
{
|
3175 |
|
|
CS_DBGOUT(CS_PARMS , 9, printk( KERN_INFO
|
3176 |
|
|
"cs46xx: clkrun() enable clkrun - change=%d active=%d\n",
|
3177 |
|
|
change,card->active));
|
3178 |
|
|
outw(control|0x2000, port+0x10);
|
3179 |
|
|
}
|
3180 |
|
|
else
|
3181 |
|
|
{
|
3182 |
|
|
/*
|
3183 |
|
|
* sometimes on a resume the bit is set, so always reset the bit.
|
3184 |
|
|
*/
|
3185 |
|
|
CS_DBGOUT(CS_PARMS , 9, printk( KERN_INFO
|
3186 |
|
|
"cs46xx: clkrun() disable clkrun - change=%d active=%d\n",
|
3187 |
|
|
change,card->active));
|
3188 |
|
|
outw(control&~0x2000, port+0x10);
|
3189 |
|
|
}
|
3190 |
|
|
}
|
3191 |
|
|
|
3192 |
|
|
|
3193 |
|
|
static int cs_open(struct inode *inode, struct file *file)
|
3194 |
|
|
{
|
3195 |
|
|
struct cs_card *card = (struct cs_card *)file->private_data;
|
3196 |
|
|
struct cs_state *state = NULL;
|
3197 |
|
|
struct dmabuf *dmabuf = NULL;
|
3198 |
|
|
struct list_head *entry;
|
3199 |
|
|
int minor = MINOR(inode->i_rdev);
|
3200 |
|
|
int ret=0;
|
3201 |
|
|
unsigned int tmp;
|
3202 |
|
|
|
3203 |
|
|
CS_DBGOUT(CS_OPEN | CS_FUNCTION, 2, printk("cs46xx: cs_open()+ file=0x%x %s %s\n",
|
3204 |
|
|
(unsigned)file, file->f_mode & FMODE_WRITE ? "FMODE_WRITE" : "",
|
3205 |
|
|
file->f_mode & FMODE_READ ? "FMODE_READ" : "") );
|
3206 |
|
|
|
3207 |
|
|
list_for_each(entry, &cs46xx_devs)
|
3208 |
|
|
{
|
3209 |
|
|
card = list_entry(entry, struct cs_card, list);
|
3210 |
|
|
|
3211 |
|
|
if (!((card->dev_audio ^ minor) & ~0xf))
|
3212 |
|
|
break;
|
3213 |
|
|
}
|
3214 |
|
|
if (entry == &cs46xx_devs)
|
3215 |
|
|
return -ENODEV;
|
3216 |
|
|
if (!card) {
|
3217 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_OPEN, 2, printk(KERN_INFO
|
3218 |
|
|
"cs46xx: cs_open(): Error - unable to find audio card struct\n"));
|
3219 |
|
|
return -ENODEV;
|
3220 |
|
|
}
|
3221 |
|
|
|
3222 |
|
|
/*
|
3223 |
|
|
* hardcode state[0] for capture, [1] for playback
|
3224 |
|
|
*/
|
3225 |
|
|
if(file->f_mode & FMODE_READ)
|
3226 |
|
|
{
|
3227 |
|
|
CS_DBGOUT(CS_WAVE_READ, 2, printk("cs46xx: cs_open() FMODE_READ\n") );
|
3228 |
|
|
if (card->states[0] == NULL) {
|
3229 |
|
|
state = card->states[0] = (struct cs_state *)
|
3230 |
|
|
kmalloc(sizeof(struct cs_state), GFP_KERNEL);
|
3231 |
|
|
if (state == NULL)
|
3232 |
|
|
return -ENOMEM;
|
3233 |
|
|
memset(state, 0, sizeof(struct cs_state));
|
3234 |
|
|
init_MUTEX(&state->sem);
|
3235 |
|
|
dmabuf = &state->dmabuf;
|
3236 |
|
|
dmabuf->pbuf = (void *)get_free_page(GFP_KERNEL | GFP_DMA);
|
3237 |
|
|
if(dmabuf->pbuf==NULL)
|
3238 |
|
|
{
|
3239 |
|
|
kfree(state);
|
3240 |
|
|
card->states[0]=NULL;
|
3241 |
|
|
return -ENOMEM;
|
3242 |
|
|
}
|
3243 |
|
|
}
|
3244 |
|
|
else
|
3245 |
|
|
{
|
3246 |
|
|
state = card->states[0];
|
3247 |
|
|
if(state->open_mode & FMODE_READ)
|
3248 |
|
|
return -EBUSY;
|
3249 |
|
|
}
|
3250 |
|
|
dmabuf->channel = card->alloc_rec_pcm_channel(card);
|
3251 |
|
|
|
3252 |
|
|
if (dmabuf->channel == NULL) {
|
3253 |
|
|
kfree (card->states[0]);
|
3254 |
|
|
card->states[0] = NULL;;
|
3255 |
|
|
return -ENODEV;
|
3256 |
|
|
}
|
3257 |
|
|
|
3258 |
|
|
/* Now turn on external AMP if needed */
|
3259 |
|
|
state->card = card;
|
3260 |
|
|
state->card->active_ctrl(state->card,1);
|
3261 |
|
|
state->card->amplifier_ctrl(state->card,1);
|
3262 |
|
|
|
3263 |
|
|
if( (tmp = cs46xx_powerup(card, CS_POWER_ADC)) )
|
3264 |
|
|
{
|
3265 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO
|
3266 |
|
|
"cs46xx: cs46xx_powerup of ADC failed (0x%x)\n",tmp) );
|
3267 |
|
|
return -EIO;
|
3268 |
|
|
}
|
3269 |
|
|
|
3270 |
|
|
dmabuf->channel->state = state;
|
3271 |
|
|
/* initialize the virtual channel */
|
3272 |
|
|
state->virt = 0;
|
3273 |
|
|
state->magic = CS_STATE_MAGIC;
|
3274 |
|
|
init_waitqueue_head(&dmabuf->wait);
|
3275 |
|
|
init_MUTEX(&state->open_sem);
|
3276 |
|
|
file->private_data = card;
|
3277 |
|
|
|
3278 |
|
|
down(&state->open_sem);
|
3279 |
|
|
|
3280 |
|
|
/* set default sample format. According to OSS Programmer's Guide /dev/dsp
|
3281 |
|
|
should be default to unsigned 8-bits, mono, with sample rate 8kHz and
|
3282 |
|
|
/dev/dspW will accept 16-bits sample */
|
3283 |
|
|
|
3284 |
|
|
/* Default input is 8bit mono */
|
3285 |
|
|
dmabuf->fmt &= ~CS_FMT_MASK;
|
3286 |
|
|
dmabuf->type = CS_TYPE_ADC;
|
3287 |
|
|
dmabuf->ossfragshift = 0;
|
3288 |
|
|
dmabuf->ossmaxfrags = 0;
|
3289 |
|
|
dmabuf->subdivision = 0;
|
3290 |
|
|
cs_set_adc_rate(state, 8000);
|
3291 |
|
|
cs_set_divisor(dmabuf);
|
3292 |
|
|
|
3293 |
|
|
state->open_mode |= FMODE_READ;
|
3294 |
|
|
up(&state->open_sem);
|
3295 |
|
|
}
|
3296 |
|
|
if(file->f_mode & FMODE_WRITE)
|
3297 |
|
|
{
|
3298 |
|
|
CS_DBGOUT(CS_OPEN, 2, printk("cs46xx: cs_open() FMODE_WRITE\n") );
|
3299 |
|
|
if (card->states[1] == NULL) {
|
3300 |
|
|
state = card->states[1] = (struct cs_state *)
|
3301 |
|
|
kmalloc(sizeof(struct cs_state), GFP_KERNEL);
|
3302 |
|
|
if (state == NULL)
|
3303 |
|
|
return -ENOMEM;
|
3304 |
|
|
memset(state, 0, sizeof(struct cs_state));
|
3305 |
|
|
init_MUTEX(&state->sem);
|
3306 |
|
|
dmabuf = &state->dmabuf;
|
3307 |
|
|
dmabuf->pbuf = (void *)get_free_page(GFP_KERNEL | GFP_DMA);
|
3308 |
|
|
if(dmabuf->pbuf==NULL)
|
3309 |
|
|
{
|
3310 |
|
|
kfree(state);
|
3311 |
|
|
card->states[1]=NULL;
|
3312 |
|
|
return -ENOMEM;
|
3313 |
|
|
}
|
3314 |
|
|
}
|
3315 |
|
|
else
|
3316 |
|
|
{
|
3317 |
|
|
state = card->states[1];
|
3318 |
|
|
if(state->open_mode & FMODE_WRITE)
|
3319 |
|
|
return -EBUSY;
|
3320 |
|
|
}
|
3321 |
|
|
dmabuf->channel = card->alloc_pcm_channel(card);
|
3322 |
|
|
|
3323 |
|
|
if (dmabuf->channel == NULL) {
|
3324 |
|
|
kfree (card->states[1]);
|
3325 |
|
|
card->states[1] = NULL;;
|
3326 |
|
|
return -ENODEV;
|
3327 |
|
|
}
|
3328 |
|
|
|
3329 |
|
|
/* Now turn on external AMP if needed */
|
3330 |
|
|
state->card = card;
|
3331 |
|
|
state->card->active_ctrl(state->card,1);
|
3332 |
|
|
state->card->amplifier_ctrl(state->card,1);
|
3333 |
|
|
|
3334 |
|
|
if( (tmp = cs46xx_powerup(card, CS_POWER_DAC)) )
|
3335 |
|
|
{
|
3336 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO
|
3337 |
|
|
"cs46xx: cs46xx_powerup of DAC failed (0x%x)\n",tmp) );
|
3338 |
|
|
return -EIO;
|
3339 |
|
|
}
|
3340 |
|
|
|
3341 |
|
|
dmabuf->channel->state = state;
|
3342 |
|
|
/* initialize the virtual channel */
|
3343 |
|
|
state->virt = 1;
|
3344 |
|
|
state->magic = CS_STATE_MAGIC;
|
3345 |
|
|
init_waitqueue_head(&dmabuf->wait);
|
3346 |
|
|
init_MUTEX(&state->open_sem);
|
3347 |
|
|
file->private_data = card;
|
3348 |
|
|
|
3349 |
|
|
down(&state->open_sem);
|
3350 |
|
|
|
3351 |
|
|
/* set default sample format. According to OSS Programmer's Guide /dev/dsp
|
3352 |
|
|
should be default to unsigned 8-bits, mono, with sample rate 8kHz and
|
3353 |
|
|
/dev/dspW will accept 16-bits sample */
|
3354 |
|
|
|
3355 |
|
|
/* Default output is 8bit mono. */
|
3356 |
|
|
dmabuf->fmt &= ~CS_FMT_MASK;
|
3357 |
|
|
dmabuf->type = CS_TYPE_DAC;
|
3358 |
|
|
dmabuf->ossfragshift = 0;
|
3359 |
|
|
dmabuf->ossmaxfrags = 0;
|
3360 |
|
|
dmabuf->subdivision = 0;
|
3361 |
|
|
cs_set_dac_rate(state, 8000);
|
3362 |
|
|
cs_set_divisor(dmabuf);
|
3363 |
|
|
|
3364 |
|
|
state->open_mode |= FMODE_WRITE;
|
3365 |
|
|
up(&state->open_sem);
|
3366 |
|
|
if((ret = prog_dmabuf(state)))
|
3367 |
|
|
return ret;
|
3368 |
|
|
}
|
3369 |
|
|
MOD_INC_USE_COUNT; /* for 2.2 */
|
3370 |
|
|
CS_DBGOUT(CS_OPEN | CS_FUNCTION, 2, printk("cs46xx: cs_open()- 0\n") );
|
3371 |
|
|
return 0;
|
3372 |
|
|
}
|
3373 |
|
|
|
3374 |
|
|
static int cs_release(struct inode *inode, struct file *file)
|
3375 |
|
|
{
|
3376 |
|
|
struct cs_card *card = (struct cs_card *)file->private_data;
|
3377 |
|
|
struct dmabuf *dmabuf;
|
3378 |
|
|
struct cs_state *state;
|
3379 |
|
|
unsigned int tmp;
|
3380 |
|
|
CS_DBGOUT(CS_RELEASE | CS_FUNCTION, 2, printk("cs46xx: cs_release()+ file=0x%x %s %s\n",
|
3381 |
|
|
(unsigned)file, file->f_mode & FMODE_WRITE ? "FMODE_WRITE" : "",
|
3382 |
|
|
file->f_mode & FMODE_READ ? "FMODE_READ" : "") );
|
3383 |
|
|
|
3384 |
|
|
if (!(file->f_mode & (FMODE_WRITE | FMODE_READ)))
|
3385 |
|
|
{
|
3386 |
|
|
return -EINVAL;
|
3387 |
|
|
}
|
3388 |
|
|
state = card->states[1];
|
3389 |
|
|
if(state)
|
3390 |
|
|
{
|
3391 |
|
|
if ( (state->open_mode & FMODE_WRITE) & (file->f_mode & FMODE_WRITE) )
|
3392 |
|
|
{
|
3393 |
|
|
CS_DBGOUT(CS_RELEASE, 2, printk("cs46xx: cs_release() FMODE_WRITE\n") );
|
3394 |
|
|
dmabuf = &state->dmabuf;
|
3395 |
|
|
cs_clear_tail(state);
|
3396 |
|
|
drain_dac(state, file->f_flags & O_NONBLOCK);
|
3397 |
|
|
/* stop DMA state machine and free DMA buffers/channels */
|
3398 |
|
|
down(&state->open_sem);
|
3399 |
|
|
stop_dac(state);
|
3400 |
|
|
dealloc_dmabuf(state);
|
3401 |
|
|
state->card->free_pcm_channel(state->card, dmabuf->channel->num);
|
3402 |
|
|
free_page((unsigned long)state->dmabuf.pbuf);
|
3403 |
|
|
|
3404 |
|
|
/* we're covered by the open_sem */
|
3405 |
|
|
up(&state->open_sem);
|
3406 |
|
|
state->card->states[state->virt] = NULL;
|
3407 |
|
|
state->open_mode &= (~file->f_mode) & (FMODE_READ|FMODE_WRITE);
|
3408 |
|
|
|
3409 |
|
|
if( (tmp = cs461x_powerdown(card, CS_POWER_DAC, CS_FALSE )) )
|
3410 |
|
|
{
|
3411 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_INFO
|
3412 |
|
|
"cs46xx: cs_release_mixdev() powerdown DAC failure (0x%x)\n",tmp) );
|
3413 |
|
|
}
|
3414 |
|
|
|
3415 |
|
|
/* Now turn off external AMP if needed */
|
3416 |
|
|
state->card->amplifier_ctrl(state->card, -1);
|
3417 |
|
|
state->card->active_ctrl(state->card, -1);
|
3418 |
|
|
|
3419 |
|
|
kfree(state);
|
3420 |
|
|
}
|
3421 |
|
|
}
|
3422 |
|
|
|
3423 |
|
|
state = card->states[0];
|
3424 |
|
|
if(state)
|
3425 |
|
|
{
|
3426 |
|
|
if ( (state->open_mode & FMODE_READ) & (file->f_mode & FMODE_READ) )
|
3427 |
|
|
{
|
3428 |
|
|
CS_DBGOUT(CS_RELEASE, 2, printk("cs46xx: cs_release() FMODE_READ\n") );
|
3429 |
|
|
dmabuf = &state->dmabuf;
|
3430 |
|
|
down(&state->open_sem);
|
3431 |
|
|
stop_adc(state);
|
3432 |
|
|
dealloc_dmabuf(state);
|
3433 |
|
|
state->card->free_pcm_channel(state->card, dmabuf->channel->num);
|
3434 |
|
|
free_page((unsigned long)state->dmabuf.pbuf);
|
3435 |
|
|
|
3436 |
|
|
/* we're covered by the open_sem */
|
3437 |
|
|
up(&state->open_sem);
|
3438 |
|
|
state->card->states[state->virt] = NULL;
|
3439 |
|
|
state->open_mode &= (~file->f_mode) & (FMODE_READ|FMODE_WRITE);
|
3440 |
|
|
|
3441 |
|
|
if( (tmp = cs461x_powerdown(card, CS_POWER_ADC, CS_FALSE )) )
|
3442 |
|
|
{
|
3443 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_INFO
|
3444 |
|
|
"cs46xx: cs_release_mixdev() powerdown ADC failure (0x%x)\n",tmp) );
|
3445 |
|
|
}
|
3446 |
|
|
|
3447 |
|
|
/* Now turn off external AMP if needed */
|
3448 |
|
|
state->card->amplifier_ctrl(state->card, -1);
|
3449 |
|
|
state->card->active_ctrl(state->card, -1);
|
3450 |
|
|
|
3451 |
|
|
kfree(state);
|
3452 |
|
|
}
|
3453 |
|
|
}
|
3454 |
|
|
|
3455 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_RELEASE, 2, printk("cs46xx: cs_release()- 0\n") );
|
3456 |
|
|
MOD_DEC_USE_COUNT; /* For 2.2 */
|
3457 |
|
|
return 0;
|
3458 |
|
|
}
|
3459 |
|
|
|
3460 |
|
|
static void printpm(struct cs_card *s)
|
3461 |
|
|
{
|
3462 |
|
|
CS_DBGOUT(CS_PM, 9, printk("pm struct:\n"));
|
3463 |
|
|
CS_DBGOUT(CS_PM, 9, printk("flags:0x%x u32CLKCR1_SAVE: 0%x u32SSPMValue: 0x%x\n",
|
3464 |
|
|
(unsigned)s->pm.flags,s->pm.u32CLKCR1_SAVE,s->pm.u32SSPMValue));
|
3465 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32PPLVCvalue: 0x%x u32PPRVCvalue: 0x%x\n",
|
3466 |
|
|
s->pm.u32PPLVCvalue,s->pm.u32PPRVCvalue));
|
3467 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32FMLVCvalue: 0x%x u32FMRVCvalue: 0x%x\n",
|
3468 |
|
|
s->pm.u32FMLVCvalue,s->pm.u32FMRVCvalue));
|
3469 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32GPIORvalue: 0x%x u32JSCTLvalue: 0x%x\n",
|
3470 |
|
|
s->pm.u32GPIORvalue,s->pm.u32JSCTLvalue));
|
3471 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32SSCR: 0x%x u32SRCSA: 0x%x\n",
|
3472 |
|
|
s->pm.u32SSCR,s->pm.u32SRCSA));
|
3473 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32DacASR: 0x%x u32AdcASR: 0x%x\n",
|
3474 |
|
|
s->pm.u32DacASR,s->pm.u32AdcASR));
|
3475 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32DacSR: 0x%x u32AdcSR: 0x%x\n",
|
3476 |
|
|
s->pm.u32DacSR,s->pm.u32AdcSR));
|
3477 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32MIDCR_Save: 0x%x\n",
|
3478 |
|
|
s->pm.u32MIDCR_Save));
|
3479 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32AC97_powerdown: 0x%x _general_purpose 0x%x\n",
|
3480 |
|
|
s->pm.u32AC97_powerdown,s->pm.u32AC97_general_purpose));
|
3481 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32AC97_master_volume: 0x%x\n",
|
3482 |
|
|
s->pm.u32AC97_master_volume));
|
3483 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32AC97_headphone_volume: 0x%x\n",
|
3484 |
|
|
s->pm.u32AC97_headphone_volume));
|
3485 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32AC97_master_volume_mono: 0x%x\n",
|
3486 |
|
|
s->pm.u32AC97_master_volume_mono));
|
3487 |
|
|
CS_DBGOUT(CS_PM, 9, printk("u32AC97_pcm_out_volume: 0x%x\n",
|
3488 |
|
|
s->pm.u32AC97_pcm_out_volume));
|
3489 |
|
|
CS_DBGOUT(CS_PM, 9, printk("dmabuf_swptr_play: 0x%x dmabuf_count_play: %d\n",
|
3490 |
|
|
s->pm.dmabuf_swptr_play,s->pm.dmabuf_count_play));
|
3491 |
|
|
CS_DBGOUT(CS_PM, 9, printk("dmabuf_swptr_capture: 0x%x dmabuf_count_capture: %d\n",
|
3492 |
|
|
s->pm.dmabuf_swptr_capture,s->pm.dmabuf_count_capture));
|
3493 |
|
|
|
3494 |
|
|
}
|
3495 |
|
|
|
3496 |
|
|
/****************************************************************************
|
3497 |
|
|
*
|
3498 |
|
|
* Suspend - save the ac97 regs, mute the outputs and power down the part.
|
3499 |
|
|
*
|
3500 |
|
|
****************************************************************************/
|
3501 |
|
|
void cs46xx_ac97_suspend(struct cs_card *card)
|
3502 |
|
|
{
|
3503 |
|
|
int Count,i;
|
3504 |
|
|
struct ac97_codec *dev=card->ac97_codec[0];
|
3505 |
|
|
unsigned int tmp;
|
3506 |
|
|
|
3507 |
|
|
CS_DBGOUT(CS_PM, 9, printk("cs46xx: cs46xx_ac97_suspend()+\n"));
|
3508 |
|
|
|
3509 |
|
|
if(card->states[1])
|
3510 |
|
|
{
|
3511 |
|
|
stop_dac(card->states[1]);
|
3512 |
|
|
resync_dma_ptrs(card->states[1]);
|
3513 |
|
|
}
|
3514 |
|
|
if(card->states[0])
|
3515 |
|
|
{
|
3516 |
|
|
stop_adc(card->states[0]);
|
3517 |
|
|
resync_dma_ptrs(card->states[0]);
|
3518 |
|
|
}
|
3519 |
|
|
|
3520 |
|
|
for(Count = 0x2, i=0; (Count <= CS46XX_AC97_HIGHESTREGTORESTORE)
|
3521 |
|
|
&& (i < CS46XX_AC97_NUMBER_RESTORE_REGS);
|
3522 |
|
|
Count += 2, i++)
|
3523 |
|
|
{
|
3524 |
|
|
card->pm.ac97[i] = cs_ac97_get(dev, BA0_AC97_RESET + Count);
|
3525 |
|
|
}
|
3526 |
|
|
/*
|
3527 |
|
|
* Save the ac97 volume registers as well as the current powerdown state.
|
3528 |
|
|
* Now, mute the all the outputs (master, headphone, and mono), as well
|
3529 |
|
|
* as the PCM volume, in preparation for powering down the entire part.
|
3530 |
|
|
card->pm.u32AC97_master_volume = (u32)cs_ac97_get( dev,
|
3531 |
|
|
(u8)BA0_AC97_MASTER_VOLUME);
|
3532 |
|
|
card->pm.u32AC97_headphone_volume = (u32)cs_ac97_get(dev,
|
3533 |
|
|
(u8)BA0_AC97_HEADPHONE_VOLUME);
|
3534 |
|
|
card->pm.u32AC97_master_volume_mono = (u32)cs_ac97_get(dev,
|
3535 |
|
|
(u8)BA0_AC97_MASTER_VOLUME_MONO);
|
3536 |
|
|
card->pm.u32AC97_pcm_out_volume = (u32)cs_ac97_get(dev,
|
3537 |
|
|
(u8)BA0_AC97_PCM_OUT_VOLUME);
|
3538 |
|
|
*/
|
3539 |
|
|
/*
|
3540 |
|
|
* mute the outputs
|
3541 |
|
|
*/
|
3542 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME, 0x8000);
|
3543 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_HEADPHONE_VOLUME, 0x8000);
|
3544 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_MASTER_VOLUME_MONO, 0x8000);
|
3545 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_PCM_OUT_VOLUME, 0x8000);
|
3546 |
|
|
|
3547 |
|
|
/*
|
3548 |
|
|
* save the registers that cause pops
|
3549 |
|
|
*/
|
3550 |
|
|
card->pm.u32AC97_powerdown = (u32)cs_ac97_get(dev, (u8)AC97_POWER_CONTROL);
|
3551 |
|
|
card->pm.u32AC97_general_purpose = (u32)cs_ac97_get(dev, (u8)BA0_AC97_GENERAL_PURPOSE);
|
3552 |
|
|
/*
|
3553 |
|
|
* And power down everything on the AC97 codec.
|
3554 |
|
|
* well, for now, only power down the DAC/ADC and MIXER VREFON components.
|
3555 |
|
|
* trouble with removing VREF.
|
3556 |
|
|
*/
|
3557 |
|
|
if( (tmp = cs461x_powerdown(card, CS_POWER_DAC | CS_POWER_ADC |
|
3558 |
|
|
CS_POWER_MIXVON, CS_TRUE )) )
|
3559 |
|
|
{
|
3560 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO
|
3561 |
|
|
"cs46xx: cs46xx_ac97_suspend() failure (0x%x)\n",tmp) );
|
3562 |
|
|
}
|
3563 |
|
|
|
3564 |
|
|
CS_DBGOUT(CS_PM, 9, printk("cs46xx: cs46xx_ac97_suspend()-\n"));
|
3565 |
|
|
}
|
3566 |
|
|
|
3567 |
|
|
/****************************************************************************
|
3568 |
|
|
*
|
3569 |
|
|
* Resume - power up the part and restore its registers..
|
3570 |
|
|
*
|
3571 |
|
|
****************************************************************************/
|
3572 |
|
|
void cs46xx_ac97_resume(struct cs_card *card)
|
3573 |
|
|
{
|
3574 |
|
|
int Count,i;
|
3575 |
|
|
struct ac97_codec *dev=card->ac97_codec[0];
|
3576 |
|
|
|
3577 |
|
|
CS_DBGOUT(CS_PM, 9, printk("cs46xx: cs46xx_ac97_resume()+\n"));
|
3578 |
|
|
|
3579 |
|
|
/*
|
3580 |
|
|
* First, we restore the state of the general purpose register. This
|
3581 |
|
|
* contains the mic select (mic1 or mic2) and if we restore this after
|
3582 |
|
|
* we restore the mic volume/boost state and mic2 was selected at
|
3583 |
|
|
* suspend time, we will end up with a brief period of time where mic1
|
3584 |
|
|
* is selected with the volume/boost settings for mic2, causing
|
3585 |
|
|
* acoustic feedback. So we restore the general purpose register
|
3586 |
|
|
* first, thereby getting the correct mic selected before we restore
|
3587 |
|
|
* the mic volume/boost.
|
3588 |
|
|
*/
|
3589 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_GENERAL_PURPOSE,
|
3590 |
|
|
(u16)card->pm.u32AC97_general_purpose);
|
3591 |
|
|
/*
|
3592 |
|
|
* Now, while the outputs are still muted, restore the state of power
|
3593 |
|
|
* on the AC97 part.
|
3594 |
|
|
*/
|
3595 |
|
|
cs_ac97_set(dev, (u8)BA0_AC97_POWERDOWN, (u16)card->pm.u32AC97_powerdown);
|
3596 |
|
|
mdelay(5 * cs_laptop_wait);
|
3597 |
|
|
/*
|
3598 |
|
|
* Restore just the first set of registers, from register number
|
3599 |
|
|
* 0x02 to the register number that ulHighestRegToRestore specifies.
|
3600 |
|
|
*/
|
3601 |
|
|
for( Count = 0x2, i=0;
|
3602 |
|
|
(Count <= CS46XX_AC97_HIGHESTREGTORESTORE)
|
3603 |
|
|
&& (i < CS46XX_AC97_NUMBER_RESTORE_REGS);
|
3604 |
|
|
Count += 2, i++)
|
3605 |
|
|
{
|
3606 |
|
|
cs_ac97_set(dev, (u8)(BA0_AC97_RESET + Count), (u16)card->pm.ac97[i]);
|
3607 |
|
|
}
|
3608 |
|
|
|
3609 |
|
|
/* Check if we have to init the amplifier */
|
3610 |
|
|
if(card->amp_init)
|
3611 |
|
|
card->amp_init(card);
|
3612 |
|
|
|
3613 |
|
|
CS_DBGOUT(CS_PM, 9, printk("cs46xx: cs46xx_ac97_resume()-\n"));
|
3614 |
|
|
}
|
3615 |
|
|
|
3616 |
|
|
|
3617 |
|
|
static int cs46xx_restart_part(struct cs_card *card)
|
3618 |
|
|
{
|
3619 |
|
|
struct dmabuf *dmabuf;
|
3620 |
|
|
CS_DBGOUT(CS_PM | CS_FUNCTION, 4,
|
3621 |
|
|
printk( "cs46xx: cs46xx_restart_part()+\n"));
|
3622 |
|
|
if(card->states[1])
|
3623 |
|
|
{
|
3624 |
|
|
dmabuf = &card->states[1]->dmabuf;
|
3625 |
|
|
dmabuf->ready = 0;
|
3626 |
|
|
resync_dma_ptrs(card->states[1]);
|
3627 |
|
|
cs_set_divisor(dmabuf);
|
3628 |
|
|
if(__prog_dmabuf(card->states[1]))
|
3629 |
|
|
{
|
3630 |
|
|
CS_DBGOUT(CS_PM | CS_ERROR, 1,
|
3631 |
|
|
printk("cs46xx: cs46xx_restart_part()- (-1) prog_dmabuf() dac error\n"));
|
3632 |
|
|
return -1;
|
3633 |
|
|
}
|
3634 |
|
|
cs_set_dac_rate(card->states[1], dmabuf->rate);
|
3635 |
|
|
}
|
3636 |
|
|
if(card->states[0])
|
3637 |
|
|
{
|
3638 |
|
|
dmabuf = &card->states[0]->dmabuf;
|
3639 |
|
|
dmabuf->ready = 0;
|
3640 |
|
|
resync_dma_ptrs(card->states[0]);
|
3641 |
|
|
cs_set_divisor(dmabuf);
|
3642 |
|
|
if(__prog_dmabuf(card->states[0]))
|
3643 |
|
|
{
|
3644 |
|
|
CS_DBGOUT(CS_PM | CS_ERROR, 1,
|
3645 |
|
|
printk("cs46xx: cs46xx_restart_part()- (-1) prog_dmabuf() adc error\n"));
|
3646 |
|
|
return -1;
|
3647 |
|
|
}
|
3648 |
|
|
cs_set_adc_rate(card->states[0], dmabuf->rate);
|
3649 |
|
|
}
|
3650 |
|
|
card->pm.flags |= CS46XX_PM_RESUMED;
|
3651 |
|
|
if(card->states[0])
|
3652 |
|
|
start_adc(card->states[0]);
|
3653 |
|
|
if(card->states[1])
|
3654 |
|
|
start_dac(card->states[1]);
|
3655 |
|
|
|
3656 |
|
|
card->pm.flags |= CS46XX_PM_IDLE;
|
3657 |
|
|
card->pm.flags &= ~(CS46XX_PM_SUSPENDING | CS46XX_PM_SUSPENDED
|
3658 |
|
|
| CS46XX_PM_RESUMING | CS46XX_PM_RESUMED);
|
3659 |
|
|
if(card->states[0])
|
3660 |
|
|
wake_up(&card->states[0]->dmabuf.wait);
|
3661 |
|
|
if(card->states[1])
|
3662 |
|
|
wake_up(&card->states[1]->dmabuf.wait);
|
3663 |
|
|
|
3664 |
|
|
CS_DBGOUT(CS_PM | CS_FUNCTION, 4,
|
3665 |
|
|
printk( "cs46xx: cs46xx_restart_part()-\n"));
|
3666 |
|
|
return 0;
|
3667 |
|
|
}
|
3668 |
|
|
|
3669 |
|
|
|
3670 |
|
|
static void cs461x_reset(struct cs_card *card);
|
3671 |
|
|
static void cs461x_proc_stop(struct cs_card *card);
|
3672 |
|
|
static int cs46xx_suspend(struct cs_card *card, u32 state)
|
3673 |
|
|
{
|
3674 |
|
|
unsigned int tmp;
|
3675 |
|
|
CS_DBGOUT(CS_PM | CS_FUNCTION, 4,
|
3676 |
|
|
printk("cs46xx: cs46xx_suspend()+ flags=0x%x s=0x%x\n",
|
3677 |
|
|
(unsigned)card->pm.flags,(unsigned)card));
|
3678 |
|
|
/*
|
3679 |
|
|
* check the current state, only suspend if IDLE
|
3680 |
|
|
*/
|
3681 |
|
|
if(!(card->pm.flags & CS46XX_PM_IDLE))
|
3682 |
|
|
{
|
3683 |
|
|
CS_DBGOUT(CS_PM | CS_ERROR, 2,
|
3684 |
|
|
printk("cs46xx: cs46xx_suspend() unable to suspend, not IDLE\n"));
|
3685 |
|
|
return 1;
|
3686 |
|
|
}
|
3687 |
|
|
card->pm.flags &= ~CS46XX_PM_IDLE;
|
3688 |
|
|
card->pm.flags |= CS46XX_PM_SUSPENDING;
|
3689 |
|
|
|
3690 |
|
|
card->active_ctrl(card,1);
|
3691 |
|
|
|
3692 |
|
|
tmp = cs461x_peek(card, BA1_PFIE);
|
3693 |
|
|
tmp &= ~0x0000f03f;
|
3694 |
|
|
tmp |= 0x00000010;
|
3695 |
|
|
cs461x_poke(card, BA1_PFIE, tmp); /* playback interrupt disable */
|
3696 |
|
|
|
3697 |
|
|
tmp = cs461x_peek(card, BA1_CIE);
|
3698 |
|
|
tmp &= ~0x0000003f;
|
3699 |
|
|
tmp |= 0x00000011;
|
3700 |
|
|
cs461x_poke(card, BA1_CIE, tmp); /* capture interrupt disable */
|
3701 |
|
|
|
3702 |
|
|
/*
|
3703 |
|
|
* Stop playback DMA.
|
3704 |
|
|
*/
|
3705 |
|
|
tmp = cs461x_peek(card, BA1_PCTL);
|
3706 |
|
|
cs461x_poke(card, BA1_PCTL, tmp & 0x0000ffff);
|
3707 |
|
|
|
3708 |
|
|
/*
|
3709 |
|
|
* Stop capture DMA.
|
3710 |
|
|
*/
|
3711 |
|
|
tmp = cs461x_peek(card, BA1_CCTL);
|
3712 |
|
|
cs461x_poke(card, BA1_CCTL, tmp & 0xffff0000);
|
3713 |
|
|
|
3714 |
|
|
if(card->states[1])
|
3715 |
|
|
{
|
3716 |
|
|
card->pm.dmabuf_swptr_play = card->states[1]->dmabuf.swptr;
|
3717 |
|
|
card->pm.dmabuf_count_play = card->states[1]->dmabuf.count;
|
3718 |
|
|
}
|
3719 |
|
|
if(card->states[0])
|
3720 |
|
|
{
|
3721 |
|
|
card->pm.dmabuf_swptr_capture = card->states[0]->dmabuf.swptr;
|
3722 |
|
|
card->pm.dmabuf_count_capture = card->states[0]->dmabuf.count;
|
3723 |
|
|
}
|
3724 |
|
|
|
3725 |
|
|
cs46xx_ac97_suspend(card);
|
3726 |
|
|
|
3727 |
|
|
/*
|
3728 |
|
|
* Reset the processor.
|
3729 |
|
|
*/
|
3730 |
|
|
cs461x_reset(card);
|
3731 |
|
|
|
3732 |
|
|
cs461x_proc_stop(card);
|
3733 |
|
|
|
3734 |
|
|
/*
|
3735 |
|
|
* Power down the DAC and ADC. For now leave the other areas on.
|
3736 |
|
|
*/
|
3737 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, 0x0300);
|
3738 |
|
|
|
3739 |
|
|
/*
|
3740 |
|
|
* Power down the PLL.
|
3741 |
|
|
*/
|
3742 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, 0);
|
3743 |
|
|
|
3744 |
|
|
/*
|
3745 |
|
|
* Turn off the Processor by turning off the software clock enable flag in
|
3746 |
|
|
* the clock control register.
|
3747 |
|
|
*/
|
3748 |
|
|
tmp = cs461x_peekBA0(card, BA0_CLKCR1) & ~CLKCR1_SWCE;
|
3749 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, tmp);
|
3750 |
|
|
|
3751 |
|
|
card->active_ctrl(card,-1);
|
3752 |
|
|
|
3753 |
|
|
card->pm.flags &= ~CS46XX_PM_SUSPENDING;
|
3754 |
|
|
card->pm.flags |= CS46XX_PM_SUSPENDED;
|
3755 |
|
|
|
3756 |
|
|
printpm(card);
|
3757 |
|
|
|
3758 |
|
|
CS_DBGOUT(CS_PM | CS_FUNCTION, 4,
|
3759 |
|
|
printk("cs46xx: cs46xx_suspend()- flags=0x%x\n",
|
3760 |
|
|
(unsigned)card->pm.flags));
|
3761 |
|
|
return 0;
|
3762 |
|
|
}
|
3763 |
|
|
|
3764 |
|
|
static int cs46xx_resume(struct cs_card *card)
|
3765 |
|
|
{
|
3766 |
|
|
int i;
|
3767 |
|
|
|
3768 |
|
|
CS_DBGOUT(CS_PM | CS_FUNCTION, 4,
|
3769 |
|
|
printk( "cs46xx: cs46xx_resume()+ flags=0x%x\n",
|
3770 |
|
|
(unsigned)card->pm.flags));
|
3771 |
|
|
if(!(card->pm.flags & CS46XX_PM_SUSPENDED))
|
3772 |
|
|
{
|
3773 |
|
|
CS_DBGOUT(CS_PM | CS_ERROR, 2,
|
3774 |
|
|
printk("cs46xx: cs46xx_resume() unable to resume, not SUSPENDED\n"));
|
3775 |
|
|
return 1;
|
3776 |
|
|
}
|
3777 |
|
|
card->pm.flags |= CS46XX_PM_RESUMING;
|
3778 |
|
|
card->pm.flags &= ~CS46XX_PM_SUSPENDED;
|
3779 |
|
|
printpm(card);
|
3780 |
|
|
card->active_ctrl(card, 1);
|
3781 |
|
|
|
3782 |
|
|
for(i=0;i<5;i++)
|
3783 |
|
|
{
|
3784 |
|
|
if (cs_hardware_init(card) != 0)
|
3785 |
|
|
{
|
3786 |
|
|
CS_DBGOUT(CS_PM | CS_ERROR, 4, printk(
|
3787 |
|
|
"cs46xx: cs46xx_resume()- ERROR in cs_hardware_init()\n"));
|
3788 |
|
|
mdelay(10 * cs_laptop_wait);
|
3789 |
|
|
cs461x_reset(card);
|
3790 |
|
|
continue;
|
3791 |
|
|
}
|
3792 |
|
|
break;
|
3793 |
|
|
}
|
3794 |
|
|
if(i>=4)
|
3795 |
|
|
{
|
3796 |
|
|
CS_DBGOUT(CS_PM | CS_ERROR, 1, printk(
|
3797 |
|
|
"cs46xx: cs46xx_resume()- cs_hardware_init() failed, retried %d times.\n",i));
|
3798 |
|
|
return 0;
|
3799 |
|
|
}
|
3800 |
|
|
|
3801 |
|
|
if(cs46xx_restart_part(card))
|
3802 |
|
|
{
|
3803 |
|
|
CS_DBGOUT(CS_PM | CS_ERROR, 4, printk(
|
3804 |
|
|
"cs46xx: cs46xx_resume(): cs46xx_restart_part() returned error\n"));
|
3805 |
|
|
}
|
3806 |
|
|
|
3807 |
|
|
card->active_ctrl(card, -1);
|
3808 |
|
|
|
3809 |
|
|
CS_DBGOUT(CS_PM | CS_FUNCTION, 4, printk("cs46xx: cs46xx_resume()- flags=0x%x\n",
|
3810 |
|
|
(unsigned)card->pm.flags));
|
3811 |
|
|
return 0;
|
3812 |
|
|
}
|
3813 |
|
|
|
3814 |
|
|
static /*const*/ struct file_operations cs461x_fops = {
|
3815 |
|
|
CS_OWNER CS_THIS_MODULE
|
3816 |
|
|
llseek: no_llseek,
|
3817 |
|
|
read: cs_read,
|
3818 |
|
|
write: cs_write,
|
3819 |
|
|
poll: cs_poll,
|
3820 |
|
|
ioctl: cs_ioctl,
|
3821 |
|
|
mmap: cs_mmap,
|
3822 |
|
|
open: cs_open,
|
3823 |
|
|
release: cs_release,
|
3824 |
|
|
};
|
3825 |
|
|
|
3826 |
|
|
/* Write AC97 codec registers */
|
3827 |
|
|
|
3828 |
|
|
|
3829 |
|
|
static u16 _cs_ac97_get(struct ac97_codec *dev, u8 reg)
|
3830 |
|
|
{
|
3831 |
|
|
struct cs_card *card = dev->private_data;
|
3832 |
|
|
int count,loopcnt;
|
3833 |
|
|
unsigned int tmp;
|
3834 |
|
|
u16 ret;
|
3835 |
|
|
|
3836 |
|
|
/*
|
3837 |
|
|
* 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address
|
3838 |
|
|
* 2. Write ACCDA = Command Data Register = 470h for data to write to AC97
|
3839 |
|
|
* 3. Write ACCTL = Control Register = 460h for initiating the write
|
3840 |
|
|
* 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 17h
|
3841 |
|
|
* 5. if DCV not cleared, break and return error
|
3842 |
|
|
* 6. Read ACSTS = Status Register = 464h, check VSTS bit
|
3843 |
|
|
*/
|
3844 |
|
|
|
3845 |
|
|
cs461x_peekBA0(card, BA0_ACSDA);
|
3846 |
|
|
|
3847 |
|
|
/*
|
3848 |
|
|
* Setup the AC97 control registers on the CS461x to send the
|
3849 |
|
|
* appropriate command to the AC97 to perform the read.
|
3850 |
|
|
* ACCAD = Command Address Register = 46Ch
|
3851 |
|
|
* ACCDA = Command Data Register = 470h
|
3852 |
|
|
* ACCTL = Control Register = 460h
|
3853 |
|
|
* set DCV - will clear when process completed
|
3854 |
|
|
* set CRW - Read command
|
3855 |
|
|
* set VFRM - valid frame enabled
|
3856 |
|
|
* set ESYN - ASYNC generation enabled
|
3857 |
|
|
* set RSTN - ARST# inactive, AC97 codec not reset
|
3858 |
|
|
*/
|
3859 |
|
|
|
3860 |
|
|
cs461x_pokeBA0(card, BA0_ACCAD, reg);
|
3861 |
|
|
cs461x_pokeBA0(card, BA0_ACCDA, 0);
|
3862 |
|
|
cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_DCV | ACCTL_CRW |
|
3863 |
|
|
ACCTL_VFRM | ACCTL_ESYN |
|
3864 |
|
|
ACCTL_RSTN);
|
3865 |
|
|
|
3866 |
|
|
|
3867 |
|
|
/*
|
3868 |
|
|
* Wait for the read to occur.
|
3869 |
|
|
*/
|
3870 |
|
|
if(!(card->pm.flags & CS46XX_PM_IDLE))
|
3871 |
|
|
loopcnt = 2000;
|
3872 |
|
|
else
|
3873 |
|
|
loopcnt = 500 * cs_laptop_wait;
|
3874 |
|
|
loopcnt *= cs_laptop_wait;
|
3875 |
|
|
for (count = 0; count < loopcnt; count++) {
|
3876 |
|
|
/*
|
3877 |
|
|
* First, we want to wait for a short time.
|
3878 |
|
|
*/
|
3879 |
|
|
udelay(10 * cs_laptop_wait);
|
3880 |
|
|
/*
|
3881 |
|
|
* Now, check to see if the read has completed.
|
3882 |
|
|
* ACCTL = 460h, DCV should be reset by now and 460h = 17h
|
3883 |
|
|
*/
|
3884 |
|
|
if (!(cs461x_peekBA0(card, BA0_ACCTL) & ACCTL_DCV))
|
3885 |
|
|
break;
|
3886 |
|
|
}
|
3887 |
|
|
|
3888 |
|
|
/*
|
3889 |
|
|
* Make sure the read completed.
|
3890 |
|
|
*/
|
3891 |
|
|
if (cs461x_peekBA0(card, BA0_ACCTL) & ACCTL_DCV) {
|
3892 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
3893 |
|
|
"cs46xx: AC'97 read problem (ACCTL_DCV), reg = 0x%x returning 0xffff\n", reg));
|
3894 |
|
|
return 0xffff;
|
3895 |
|
|
}
|
3896 |
|
|
|
3897 |
|
|
/*
|
3898 |
|
|
* Wait for the valid status bit to go active.
|
3899 |
|
|
*/
|
3900 |
|
|
|
3901 |
|
|
if(!(card->pm.flags & CS46XX_PM_IDLE))
|
3902 |
|
|
loopcnt = 2000;
|
3903 |
|
|
else
|
3904 |
|
|
loopcnt = 1000;
|
3905 |
|
|
loopcnt *= cs_laptop_wait;
|
3906 |
|
|
for (count = 0; count < loopcnt; count++) {
|
3907 |
|
|
/*
|
3908 |
|
|
* Read the AC97 status register.
|
3909 |
|
|
* ACSTS = Status Register = 464h
|
3910 |
|
|
* VSTS - Valid Status
|
3911 |
|
|
*/
|
3912 |
|
|
if (cs461x_peekBA0(card, BA0_ACSTS) & ACSTS_VSTS)
|
3913 |
|
|
break;
|
3914 |
|
|
udelay(10 * cs_laptop_wait);
|
3915 |
|
|
}
|
3916 |
|
|
|
3917 |
|
|
/*
|
3918 |
|
|
* Make sure we got valid status.
|
3919 |
|
|
*/
|
3920 |
|
|
if (!( (tmp=cs461x_peekBA0(card, BA0_ACSTS)) & ACSTS_VSTS)) {
|
3921 |
|
|
CS_DBGOUT(CS_ERROR, 2, printk(KERN_WARNING
|
3922 |
|
|
"cs46xx: AC'97 read problem (ACSTS_VSTS), reg = 0x%x val=0x%x 0xffff \n",
|
3923 |
|
|
reg, tmp));
|
3924 |
|
|
return 0xffff;
|
3925 |
|
|
}
|
3926 |
|
|
|
3927 |
|
|
/*
|
3928 |
|
|
* Read the data returned from the AC97 register.
|
3929 |
|
|
* ACSDA = Status Data Register = 474h
|
3930 |
|
|
*/
|
3931 |
|
|
CS_DBGOUT(CS_FUNCTION, 9, printk(KERN_INFO
|
3932 |
|
|
"cs46xx: cs_ac97_get() reg = 0x%x, val = 0x%x, BA0_ACCAD = 0x%x\n",
|
3933 |
|
|
reg, cs461x_peekBA0(card, BA0_ACSDA),
|
3934 |
|
|
cs461x_peekBA0(card, BA0_ACCAD)));
|
3935 |
|
|
ret = cs461x_peekBA0(card, BA0_ACSDA);
|
3936 |
|
|
return ret;
|
3937 |
|
|
}
|
3938 |
|
|
|
3939 |
|
|
static u16 cs_ac97_get(struct ac97_codec *dev, u8 reg)
|
3940 |
|
|
{
|
3941 |
|
|
u16 ret;
|
3942 |
|
|
struct cs_card *card = dev->private_data;
|
3943 |
|
|
|
3944 |
|
|
spin_lock(&card->ac97_lock);
|
3945 |
|
|
ret = _cs_ac97_get(dev, reg);
|
3946 |
|
|
spin_unlock(&card->ac97_lock);
|
3947 |
|
|
return ret;
|
3948 |
|
|
}
|
3949 |
|
|
|
3950 |
|
|
static void cs_ac97_set(struct ac97_codec *dev, u8 reg, u16 val)
|
3951 |
|
|
{
|
3952 |
|
|
struct cs_card *card = dev->private_data;
|
3953 |
|
|
int count;
|
3954 |
|
|
int val2 = 0;
|
3955 |
|
|
|
3956 |
|
|
spin_lock(&card->ac97_lock);
|
3957 |
|
|
|
3958 |
|
|
if(reg == AC97_CD_VOL)
|
3959 |
|
|
{
|
3960 |
|
|
val2 = _cs_ac97_get(dev, AC97_CD_VOL);
|
3961 |
|
|
}
|
3962 |
|
|
|
3963 |
|
|
|
3964 |
|
|
/*
|
3965 |
|
|
* 1. Write ACCAD = Command Address Register = 46Ch for AC97 register address
|
3966 |
|
|
* 2. Write ACCDA = Command Data Register = 470h for data to write to AC97
|
3967 |
|
|
* 3. Write ACCTL = Control Register = 460h for initiating the write
|
3968 |
|
|
* 4. Read ACCTL = 460h, DCV should be reset by now and 460h = 07h
|
3969 |
|
|
* 5. if DCV not cleared, break and return error
|
3970 |
|
|
*/
|
3971 |
|
|
|
3972 |
|
|
/*
|
3973 |
|
|
* Setup the AC97 control registers on the CS461x to send the
|
3974 |
|
|
* appropriate command to the AC97 to perform the read.
|
3975 |
|
|
* ACCAD = Command Address Register = 46Ch
|
3976 |
|
|
* ACCDA = Command Data Register = 470h
|
3977 |
|
|
* ACCTL = Control Register = 460h
|
3978 |
|
|
* set DCV - will clear when process completed
|
3979 |
|
|
* reset CRW - Write command
|
3980 |
|
|
* set VFRM - valid frame enabled
|
3981 |
|
|
* set ESYN - ASYNC generation enabled
|
3982 |
|
|
* set RSTN - ARST# inactive, AC97 codec not reset
|
3983 |
|
|
*/
|
3984 |
|
|
cs461x_pokeBA0(card, BA0_ACCAD, reg);
|
3985 |
|
|
cs461x_pokeBA0(card, BA0_ACCDA, val);
|
3986 |
|
|
cs461x_peekBA0(card, BA0_ACCTL);
|
3987 |
|
|
cs461x_pokeBA0(card, BA0_ACCTL, 0 | ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN);
|
3988 |
|
|
cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_DCV | ACCTL_VFRM |
|
3989 |
|
|
ACCTL_ESYN | ACCTL_RSTN);
|
3990 |
|
|
for (count = 0; count < 1000; count++) {
|
3991 |
|
|
/*
|
3992 |
|
|
* First, we want to wait for a short time.
|
3993 |
|
|
*/
|
3994 |
|
|
udelay(10 * cs_laptop_wait);
|
3995 |
|
|
/*
|
3996 |
|
|
* Now, check to see if the write has completed.
|
3997 |
|
|
* ACCTL = 460h, DCV should be reset by now and 460h = 07h
|
3998 |
|
|
*/
|
3999 |
|
|
if (!(cs461x_peekBA0(card, BA0_ACCTL) & ACCTL_DCV))
|
4000 |
|
|
break;
|
4001 |
|
|
}
|
4002 |
|
|
/*
|
4003 |
|
|
* Make sure the write completed.
|
4004 |
|
|
*/
|
4005 |
|
|
if (cs461x_peekBA0(card, BA0_ACCTL) & ACCTL_DCV)
|
4006 |
|
|
{
|
4007 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
4008 |
|
|
"cs46xx: AC'97 write problem, reg = 0x%x, val = 0x%x\n", reg, val));
|
4009 |
|
|
}
|
4010 |
|
|
|
4011 |
|
|
spin_unlock(&card->ac97_lock);
|
4012 |
|
|
|
4013 |
|
|
/*
|
4014 |
|
|
* Adjust power if the mixer is selected/deselected according
|
4015 |
|
|
* to the CD.
|
4016 |
|
|
*
|
4017 |
|
|
* IF the CD is a valid input source (mixer or direct) AND
|
4018 |
|
|
* the CD is not muted THEN power is needed
|
4019 |
|
|
*
|
4020 |
|
|
* We do two things. When record select changes the input to
|
4021 |
|
|
* add/remove the CD we adjust the power count if the CD is
|
4022 |
|
|
* unmuted.
|
4023 |
|
|
*
|
4024 |
|
|
* When the CD mute changes we adjust the power level if the
|
4025 |
|
|
* CD was a valid input.
|
4026 |
|
|
*
|
4027 |
|
|
* We also check for CD volume != 0, as the CD mute isn't
|
4028 |
|
|
* normally tweaked from userspace.
|
4029 |
|
|
*/
|
4030 |
|
|
|
4031 |
|
|
/* CD mute change ? */
|
4032 |
|
|
|
4033 |
|
|
if(reg==AC97_CD_VOL)
|
4034 |
|
|
{
|
4035 |
|
|
/* Mute bit change ? */
|
4036 |
|
|
if((val2^val)&0x8000 || ((val2 == 0x1f1f || val == 0x1f1f) && val2 != val))
|
4037 |
|
|
{
|
4038 |
|
|
/* This is a hack but its cleaner than the alternatives.
|
4039 |
|
|
Right now card->ac97_codec[0] might be NULL as we are
|
4040 |
|
|
still doing codec setup. This does an early assignment
|
4041 |
|
|
to avoid the problem if it occurs */
|
4042 |
|
|
|
4043 |
|
|
if(card->ac97_codec[0]==NULL)
|
4044 |
|
|
card->ac97_codec[0]=dev;
|
4045 |
|
|
|
4046 |
|
|
/* Mute on */
|
4047 |
|
|
if(val&0x8000 || val == 0x1f1f)
|
4048 |
|
|
card->amplifier_ctrl(card, -1);
|
4049 |
|
|
else /* Mute off power on */
|
4050 |
|
|
{
|
4051 |
|
|
if(card->amp_init)
|
4052 |
|
|
card->amp_init(card);
|
4053 |
|
|
card->amplifier_ctrl(card, 1);
|
4054 |
|
|
}
|
4055 |
|
|
}
|
4056 |
|
|
}
|
4057 |
|
|
}
|
4058 |
|
|
|
4059 |
|
|
|
4060 |
|
|
/* OSS /dev/mixer file operation methods */
|
4061 |
|
|
|
4062 |
|
|
static int cs_open_mixdev(struct inode *inode, struct file *file)
|
4063 |
|
|
{
|
4064 |
|
|
int i=0;
|
4065 |
|
|
int minor = MINOR(inode->i_rdev);
|
4066 |
|
|
struct cs_card *card=NULL;
|
4067 |
|
|
struct list_head *entry;
|
4068 |
|
|
unsigned int tmp;
|
4069 |
|
|
|
4070 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_OPEN, 4,
|
4071 |
|
|
printk(KERN_INFO "cs46xx: cs_open_mixdev()+\n"));
|
4072 |
|
|
|
4073 |
|
|
list_for_each(entry, &cs46xx_devs)
|
4074 |
|
|
{
|
4075 |
|
|
card = list_entry(entry, struct cs_card, list);
|
4076 |
|
|
for (i = 0; i < NR_AC97; i++)
|
4077 |
|
|
if (card->ac97_codec[i] != NULL &&
|
4078 |
|
|
card->ac97_codec[i]->dev_mixer == minor)
|
4079 |
|
|
goto match;
|
4080 |
|
|
}
|
4081 |
|
|
if (!card)
|
4082 |
|
|
{
|
4083 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_OPEN | CS_ERROR, 2,
|
4084 |
|
|
printk(KERN_INFO "cs46xx: cs46xx_open_mixdev()- -ENODEV\n"));
|
4085 |
|
|
return -ENODEV;
|
4086 |
|
|
}
|
4087 |
|
|
match:
|
4088 |
|
|
if(!card->ac97_codec[i])
|
4089 |
|
|
return -ENODEV;
|
4090 |
|
|
file->private_data = card->ac97_codec[i];
|
4091 |
|
|
|
4092 |
|
|
card->active_ctrl(card,1);
|
4093 |
|
|
if(!CS_IN_USE(&card->mixer_use_cnt))
|
4094 |
|
|
{
|
4095 |
|
|
if( (tmp = cs46xx_powerup(card, CS_POWER_MIXVON )) )
|
4096 |
|
|
{
|
4097 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO
|
4098 |
|
|
"cs46xx: cs_open_mixdev() powerup failure (0x%x)\n",tmp) );
|
4099 |
|
|
return -EIO;
|
4100 |
|
|
}
|
4101 |
|
|
}
|
4102 |
|
|
card->amplifier_ctrl(card, 1);
|
4103 |
|
|
CS_INC_USE_COUNT(&card->mixer_use_cnt);
|
4104 |
|
|
MOD_INC_USE_COUNT; /* for 2.2 */
|
4105 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_OPEN, 4,
|
4106 |
|
|
printk(KERN_INFO "cs46xx: cs_open_mixdev()- 0\n"));
|
4107 |
|
|
return 0;
|
4108 |
|
|
}
|
4109 |
|
|
|
4110 |
|
|
static int cs_release_mixdev(struct inode *inode, struct file *file)
|
4111 |
|
|
{
|
4112 |
|
|
int minor = MINOR(inode->i_rdev);
|
4113 |
|
|
struct cs_card *card=NULL;
|
4114 |
|
|
struct list_head *entry;
|
4115 |
|
|
int i;
|
4116 |
|
|
unsigned int tmp;
|
4117 |
|
|
|
4118 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_RELEASE, 4,
|
4119 |
|
|
printk(KERN_INFO "cs46xx: cs_release_mixdev()+\n"));
|
4120 |
|
|
list_for_each(entry, &cs46xx_devs)
|
4121 |
|
|
{
|
4122 |
|
|
card = list_entry(entry, struct cs_card, list);
|
4123 |
|
|
for (i = 0; i < NR_AC97; i++)
|
4124 |
|
|
if (card->ac97_codec[i] != NULL &&
|
4125 |
|
|
card->ac97_codec[i]->dev_mixer == minor)
|
4126 |
|
|
goto match;
|
4127 |
|
|
}
|
4128 |
|
|
if (!card)
|
4129 |
|
|
{
|
4130 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_OPEN | CS_ERROR, 2,
|
4131 |
|
|
printk(KERN_INFO "cs46xx: cs46xx_open_mixdev()- -ENODEV\n"));
|
4132 |
|
|
return -ENODEV;
|
4133 |
|
|
}
|
4134 |
|
|
match:
|
4135 |
|
|
MOD_DEC_USE_COUNT; /* for 2.2 */
|
4136 |
|
|
if(!CS_DEC_AND_TEST(&card->mixer_use_cnt))
|
4137 |
|
|
{
|
4138 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_RELEASE, 4,
|
4139 |
|
|
printk(KERN_INFO "cs46xx: cs_release_mixdev()- no powerdown, usecnt>0\n"));
|
4140 |
|
|
card->active_ctrl(card, -1);
|
4141 |
|
|
card->amplifier_ctrl(card, -1);
|
4142 |
|
|
return 0;
|
4143 |
|
|
}
|
4144 |
|
|
/*
|
4145 |
|
|
* ok, no outstanding mixer opens, so powerdown.
|
4146 |
|
|
*/
|
4147 |
|
|
if( (tmp = cs461x_powerdown(card, CS_POWER_MIXVON, CS_FALSE )) )
|
4148 |
|
|
{
|
4149 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO
|
4150 |
|
|
"cs46xx: cs_release_mixdev() powerdown MIXVON failure (0x%x)\n",tmp) );
|
4151 |
|
|
card->active_ctrl(card, -1);
|
4152 |
|
|
card->amplifier_ctrl(card, -1);
|
4153 |
|
|
return -EIO;
|
4154 |
|
|
}
|
4155 |
|
|
card->active_ctrl(card, -1);
|
4156 |
|
|
card->amplifier_ctrl(card, -1);
|
4157 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_RELEASE, 4,
|
4158 |
|
|
printk(KERN_INFO "cs46xx: cs_release_mixdev()- 0\n"));
|
4159 |
|
|
return 0;
|
4160 |
|
|
}
|
4161 |
|
|
|
4162 |
|
|
void __exit cs46xx_cleanup_module(void);
|
4163 |
|
|
static int cs_ioctl_mixdev(struct inode *inode, struct file *file, unsigned int cmd,
|
4164 |
|
|
unsigned long arg)
|
4165 |
|
|
{
|
4166 |
|
|
struct ac97_codec *codec = (struct ac97_codec *)file->private_data;
|
4167 |
|
|
struct cs_card *card=NULL;
|
4168 |
|
|
struct list_head *entry;
|
4169 |
|
|
|
4170 |
|
|
#if CSDEBUG_INTERFACE
|
4171 |
|
|
int val;
|
4172 |
|
|
|
4173 |
|
|
if( (cmd == SOUND_MIXER_CS_GETDBGMASK) ||
|
4174 |
|
|
(cmd == SOUND_MIXER_CS_SETDBGMASK) ||
|
4175 |
|
|
(cmd == SOUND_MIXER_CS_GETDBGLEVEL) ||
|
4176 |
|
|
(cmd == SOUND_MIXER_CS_SETDBGLEVEL) ||
|
4177 |
|
|
(cmd == SOUND_MIXER_CS_APM))
|
4178 |
|
|
{
|
4179 |
|
|
switch(cmd)
|
4180 |
|
|
{
|
4181 |
|
|
|
4182 |
|
|
case SOUND_MIXER_CS_GETDBGMASK:
|
4183 |
|
|
return put_user(cs_debugmask, (unsigned long *)arg);
|
4184 |
|
|
|
4185 |
|
|
case SOUND_MIXER_CS_GETDBGLEVEL:
|
4186 |
|
|
return put_user(cs_debuglevel, (unsigned long *)arg);
|
4187 |
|
|
|
4188 |
|
|
case SOUND_MIXER_CS_SETDBGMASK:
|
4189 |
|
|
if (get_user(val, (unsigned long *)arg))
|
4190 |
|
|
return -EFAULT;
|
4191 |
|
|
cs_debugmask = val;
|
4192 |
|
|
return 0;
|
4193 |
|
|
|
4194 |
|
|
case SOUND_MIXER_CS_SETDBGLEVEL:
|
4195 |
|
|
if (get_user(val, (unsigned long *)arg))
|
4196 |
|
|
return -EFAULT;
|
4197 |
|
|
cs_debuglevel = val;
|
4198 |
|
|
return 0;
|
4199 |
|
|
|
4200 |
|
|
case SOUND_MIXER_CS_APM:
|
4201 |
|
|
if (get_user(val, (unsigned long *) arg))
|
4202 |
|
|
return -EFAULT;
|
4203 |
|
|
if(val == CS_IOCTL_CMD_SUSPEND)
|
4204 |
|
|
{
|
4205 |
|
|
list_for_each(entry, &cs46xx_devs)
|
4206 |
|
|
{
|
4207 |
|
|
card = list_entry(entry, struct cs_card, list);
|
4208 |
|
|
cs46xx_suspend(card, 0);
|
4209 |
|
|
}
|
4210 |
|
|
|
4211 |
|
|
}
|
4212 |
|
|
else if(val == CS_IOCTL_CMD_RESUME)
|
4213 |
|
|
{
|
4214 |
|
|
list_for_each(entry, &cs46xx_devs)
|
4215 |
|
|
{
|
4216 |
|
|
card = list_entry(entry, struct cs_card, list);
|
4217 |
|
|
cs46xx_resume(card);
|
4218 |
|
|
}
|
4219 |
|
|
}
|
4220 |
|
|
else
|
4221 |
|
|
{
|
4222 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_INFO
|
4223 |
|
|
"cs46xx: mixer_ioctl(): invalid APM cmd (%d)\n",
|
4224 |
|
|
val));
|
4225 |
|
|
}
|
4226 |
|
|
return 0;
|
4227 |
|
|
|
4228 |
|
|
default:
|
4229 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_INFO
|
4230 |
|
|
"cs46xx: mixer_ioctl(): ERROR unknown debug cmd\n") );
|
4231 |
|
|
return 0;
|
4232 |
|
|
}
|
4233 |
|
|
}
|
4234 |
|
|
#endif
|
4235 |
|
|
return codec->mixer_ioctl(codec, cmd, arg);
|
4236 |
|
|
}
|
4237 |
|
|
|
4238 |
|
|
static /*const*/ struct file_operations cs_mixer_fops = {
|
4239 |
|
|
CS_OWNER CS_THIS_MODULE
|
4240 |
|
|
llseek: no_llseek,
|
4241 |
|
|
ioctl: cs_ioctl_mixdev,
|
4242 |
|
|
open: cs_open_mixdev,
|
4243 |
|
|
release: cs_release_mixdev,
|
4244 |
|
|
};
|
4245 |
|
|
|
4246 |
|
|
/* AC97 codec initialisation. */
|
4247 |
|
|
static int __init cs_ac97_init(struct cs_card *card)
|
4248 |
|
|
{
|
4249 |
|
|
int num_ac97 = 0;
|
4250 |
|
|
int ready_2nd = 0;
|
4251 |
|
|
struct ac97_codec *codec;
|
4252 |
|
|
u16 eid;
|
4253 |
|
|
|
4254 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO
|
4255 |
|
|
"cs46xx: cs_ac97_init()+\n") );
|
4256 |
|
|
|
4257 |
|
|
for (num_ac97 = 0; num_ac97 < NR_AC97; num_ac97++) {
|
4258 |
|
|
if ((codec = ac97_alloc_codec()) == NULL)
|
4259 |
|
|
return -ENOMEM;
|
4260 |
|
|
|
4261 |
|
|
/* initialize some basic codec information, other fields will be filled
|
4262 |
|
|
in ac97_probe_codec */
|
4263 |
|
|
codec->private_data = card;
|
4264 |
|
|
codec->id = num_ac97;
|
4265 |
|
|
|
4266 |
|
|
codec->codec_read = cs_ac97_get;
|
4267 |
|
|
codec->codec_write = cs_ac97_set;
|
4268 |
|
|
|
4269 |
|
|
if (ac97_probe_codec(codec) == 0)
|
4270 |
|
|
{
|
4271 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO
|
4272 |
|
|
"cs46xx: cs_ac97_init()- codec number %d not found\n",
|
4273 |
|
|
num_ac97) );
|
4274 |
|
|
card->ac97_codec[num_ac97] = 0;
|
4275 |
|
|
break;
|
4276 |
|
|
}
|
4277 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO
|
4278 |
|
|
"cs46xx: cs_ac97_init() found codec %d\n",num_ac97) );
|
4279 |
|
|
|
4280 |
|
|
eid = cs_ac97_get(codec, AC97_EXTENDED_ID);
|
4281 |
|
|
|
4282 |
|
|
if(eid==0xFFFF)
|
4283 |
|
|
{
|
4284 |
|
|
printk(KERN_WARNING "cs46xx: codec %d not present\n",num_ac97);
|
4285 |
|
|
ac97_release_codec(codec);
|
4286 |
|
|
break;
|
4287 |
|
|
}
|
4288 |
|
|
|
4289 |
|
|
card->ac97_features = eid;
|
4290 |
|
|
|
4291 |
|
|
if ((codec->dev_mixer = register_sound_mixer(&cs_mixer_fops, -1)) < 0) {
|
4292 |
|
|
printk(KERN_ERR "cs46xx: couldn't register mixer!\n");
|
4293 |
|
|
ac97_release_codec(codec);
|
4294 |
|
|
break;
|
4295 |
|
|
}
|
4296 |
|
|
card->ac97_codec[num_ac97] = codec;
|
4297 |
|
|
|
4298 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO
|
4299 |
|
|
"cs46xx: cs_ac97_init() ac97_codec[%d] set to 0x%x\n",
|
4300 |
|
|
(unsigned int)num_ac97,
|
4301 |
|
|
(unsigned int)codec));
|
4302 |
|
|
/* if there is no secondary codec at all, don't probe any more */
|
4303 |
|
|
if (!ready_2nd)
|
4304 |
|
|
{
|
4305 |
|
|
num_ac97 += 1;
|
4306 |
|
|
break;
|
4307 |
|
|
}
|
4308 |
|
|
}
|
4309 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO
|
4310 |
|
|
"cs46xx: cs_ac97_init()- %d\n", (unsigned int)num_ac97));
|
4311 |
|
|
return num_ac97;
|
4312 |
|
|
}
|
4313 |
|
|
|
4314 |
|
|
/*
|
4315 |
|
|
* load the static image into the DSP
|
4316 |
|
|
*/
|
4317 |
|
|
#include "cs461x_image.h"
|
4318 |
|
|
static void cs461x_download_image(struct cs_card *card)
|
4319 |
|
|
{
|
4320 |
|
|
unsigned i, j, temp1, temp2, offset, count;
|
4321 |
|
|
unsigned char *pBA1 = ioremap(card->ba1_addr, 0x40000);
|
4322 |
|
|
for( i=0; i < CLEAR__COUNT; i++)
|
4323 |
|
|
{
|
4324 |
|
|
offset = ClrStat[i].BA1__DestByteOffset;
|
4325 |
|
|
count = ClrStat[i].BA1__SourceSize;
|
4326 |
|
|
for( temp1 = offset; temp1<(offset+count); temp1+=4 )
|
4327 |
|
|
writel(0, pBA1+temp1);
|
4328 |
|
|
}
|
4329 |
|
|
|
4330 |
|
|
for(i=0; i<FILL__COUNT; i++)
|
4331 |
|
|
{
|
4332 |
|
|
temp2 = FillStat[i].Offset;
|
4333 |
|
|
for(j=0; j<(FillStat[i].Size)/4; j++)
|
4334 |
|
|
{
|
4335 |
|
|
temp1 = (FillStat[i]).pFill[j];
|
4336 |
|
|
writel(temp1, pBA1+temp2+j*4);
|
4337 |
|
|
}
|
4338 |
|
|
}
|
4339 |
|
|
iounmap(pBA1);
|
4340 |
|
|
}
|
4341 |
|
|
|
4342 |
|
|
|
4343 |
|
|
/*
|
4344 |
|
|
* Chip reset
|
4345 |
|
|
*/
|
4346 |
|
|
|
4347 |
|
|
static void cs461x_reset(struct cs_card *card)
|
4348 |
|
|
{
|
4349 |
|
|
int idx;
|
4350 |
|
|
|
4351 |
|
|
/*
|
4352 |
|
|
* Write the reset bit of the SP control register.
|
4353 |
|
|
*/
|
4354 |
|
|
cs461x_poke(card, BA1_SPCR, SPCR_RSTSP);
|
4355 |
|
|
|
4356 |
|
|
/*
|
4357 |
|
|
* Write the control register.
|
4358 |
|
|
*/
|
4359 |
|
|
cs461x_poke(card, BA1_SPCR, SPCR_DRQEN);
|
4360 |
|
|
|
4361 |
|
|
/*
|
4362 |
|
|
* Clear the trap registers.
|
4363 |
|
|
*/
|
4364 |
|
|
for (idx = 0; idx < 8; idx++) {
|
4365 |
|
|
cs461x_poke(card, BA1_DREG, DREG_REGID_TRAP_SELECT + idx);
|
4366 |
|
|
cs461x_poke(card, BA1_TWPR, 0xFFFF);
|
4367 |
|
|
}
|
4368 |
|
|
cs461x_poke(card, BA1_DREG, 0);
|
4369 |
|
|
|
4370 |
|
|
/*
|
4371 |
|
|
* Set the frame timer to reflect the number of cycles per frame.
|
4372 |
|
|
*/
|
4373 |
|
|
cs461x_poke(card, BA1_FRMT, 0xadf);
|
4374 |
|
|
}
|
4375 |
|
|
|
4376 |
|
|
static void cs461x_clear_serial_FIFOs(struct cs_card *card, int type)
|
4377 |
|
|
{
|
4378 |
|
|
int idx, loop, startfifo=0, endfifo=0, powerdown1 = 0;
|
4379 |
|
|
unsigned int tmp;
|
4380 |
|
|
|
4381 |
|
|
/*
|
4382 |
|
|
* See if the devices are powered down. If so, we must power them up first
|
4383 |
|
|
* or they will not respond.
|
4384 |
|
|
*/
|
4385 |
|
|
if (!((tmp = cs461x_peekBA0(card, BA0_CLKCR1)) & CLKCR1_SWCE)) {
|
4386 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, tmp | CLKCR1_SWCE);
|
4387 |
|
|
powerdown1 = 1;
|
4388 |
|
|
}
|
4389 |
|
|
|
4390 |
|
|
/*
|
4391 |
|
|
* We want to clear out the serial port FIFOs so we don't end up playing
|
4392 |
|
|
* whatever random garbage happens to be in them. We fill the sample FIFOS
|
4393 |
|
|
* with zero (silence).
|
4394 |
|
|
*/
|
4395 |
|
|
cs461x_pokeBA0(card, BA0_SERBWP, 0);
|
4396 |
|
|
|
4397 |
|
|
/*
|
4398 |
|
|
* Check for which FIFO locations to clear, if we are currently
|
4399 |
|
|
* playing or capturing then we don't want to put in 128 bytes of
|
4400 |
|
|
* "noise".
|
4401 |
|
|
*/
|
4402 |
|
|
if(type & CS_TYPE_DAC)
|
4403 |
|
|
{
|
4404 |
|
|
startfifo = 128;
|
4405 |
|
|
endfifo = 256;
|
4406 |
|
|
}
|
4407 |
|
|
if(type & CS_TYPE_ADC)
|
4408 |
|
|
{
|
4409 |
|
|
startfifo = 0;
|
4410 |
|
|
if(!endfifo)
|
4411 |
|
|
endfifo = 128;
|
4412 |
|
|
}
|
4413 |
|
|
/*
|
4414 |
|
|
* Fill sample FIFO locations (256 locations total).
|
4415 |
|
|
*/
|
4416 |
|
|
for (idx = startfifo; idx < endfifo; idx++) {
|
4417 |
|
|
/*
|
4418 |
|
|
* Make sure the previous FIFO write operation has completed.
|
4419 |
|
|
*/
|
4420 |
|
|
for (loop = 0; loop < 5; loop++) {
|
4421 |
|
|
udelay(50);
|
4422 |
|
|
if (!(cs461x_peekBA0(card, BA0_SERBST) & SERBST_WBSY))
|
4423 |
|
|
break;
|
4424 |
|
|
}
|
4425 |
|
|
if (cs461x_peekBA0(card, BA0_SERBST) & SERBST_WBSY) {
|
4426 |
|
|
if (powerdown1)
|
4427 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, tmp);
|
4428 |
|
|
}
|
4429 |
|
|
/*
|
4430 |
|
|
* Write the serial port FIFO index.
|
4431 |
|
|
*/
|
4432 |
|
|
cs461x_pokeBA0(card, BA0_SERBAD, idx);
|
4433 |
|
|
/*
|
4434 |
|
|
* Tell the serial port to load the new value into the FIFO location.
|
4435 |
|
|
*/
|
4436 |
|
|
cs461x_pokeBA0(card, BA0_SERBCM, SERBCM_WRC);
|
4437 |
|
|
}
|
4438 |
|
|
/*
|
4439 |
|
|
* Now, if we powered up the devices, then power them back down again.
|
4440 |
|
|
* This is kinda ugly, but should never happen.
|
4441 |
|
|
*/
|
4442 |
|
|
if (powerdown1)
|
4443 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, tmp);
|
4444 |
|
|
}
|
4445 |
|
|
|
4446 |
|
|
|
4447 |
|
|
static int cs461x_powerdown(struct cs_card *card, unsigned int type, int suspendflag)
|
4448 |
|
|
{
|
4449 |
|
|
int count;
|
4450 |
|
|
unsigned int tmp=0,muted=0;
|
4451 |
|
|
|
4452 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO
|
4453 |
|
|
"cs46xx: cs461x_powerdown()+ type=0x%x\n",type));
|
4454 |
|
|
if(!cs_powerdown && !suspendflag)
|
4455 |
|
|
{
|
4456 |
|
|
CS_DBGOUT(CS_FUNCTION, 8, printk(KERN_INFO
|
4457 |
|
|
"cs46xx: cs461x_powerdown() DISABLED exiting\n"));
|
4458 |
|
|
return 0;
|
4459 |
|
|
}
|
4460 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4461 |
|
|
CS_DBGOUT(CS_FUNCTION, 8, printk(KERN_INFO
|
4462 |
|
|
"cs46xx: cs461x_powerdown() powerdown reg=0x%x\n",tmp));
|
4463 |
|
|
/*
|
4464 |
|
|
* if powering down only the VREF, and not powering down the DAC/ADC,
|
4465 |
|
|
* then do not power down the VREF, UNLESS both the DAC and ADC are not
|
4466 |
|
|
* currently powered down. If powering down DAC and ADC, then
|
4467 |
|
|
* it is possible to power down the VREF (ON).
|
4468 |
|
|
*/
|
4469 |
|
|
if ( ((type & CS_POWER_MIXVON) &&
|
4470 |
|
|
(!(type & CS_POWER_ADC) || (!(type & CS_POWER_DAC))) )
|
4471 |
|
|
&&
|
4472 |
|
|
((tmp & CS_AC97_POWER_CONTROL_ADC_ON) ||
|
4473 |
|
|
(tmp & CS_AC97_POWER_CONTROL_DAC_ON) ) )
|
4474 |
|
|
{
|
4475 |
|
|
CS_DBGOUT(CS_FUNCTION, 8, printk(KERN_INFO
|
4476 |
|
|
"cs46xx: cs461x_powerdown()- 0 unable to powerdown. tmp=0x%x\n",tmp));
|
4477 |
|
|
return 0;
|
4478 |
|
|
}
|
4479 |
|
|
/*
|
4480 |
|
|
* for now, always keep power to the mixer block.
|
4481 |
|
|
* not sure why it's a problem but it seems to be if we power off.
|
4482 |
|
|
*/
|
4483 |
|
|
type &= ~CS_POWER_MIXVON;
|
4484 |
|
|
type &= ~CS_POWER_MIXVOFF;
|
4485 |
|
|
|
4486 |
|
|
/*
|
4487 |
|
|
* Power down indicated areas.
|
4488 |
|
|
*/
|
4489 |
|
|
if(type & CS_POWER_MIXVOFF)
|
4490 |
|
|
{
|
4491 |
|
|
|
4492 |
|
|
CS_DBGOUT(CS_FUNCTION, 4,
|
4493 |
|
|
printk(KERN_INFO "cs46xx: cs461x_powerdown()+ MIXVOFF\n"));
|
4494 |
|
|
/*
|
4495 |
|
|
* Power down the MIXER (VREF ON) on the AC97 card.
|
4496 |
|
|
*/
|
4497 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4498 |
|
|
if (tmp & CS_AC97_POWER_CONTROL_MIXVOFF_ON)
|
4499 |
|
|
{
|
4500 |
|
|
if(!muted)
|
4501 |
|
|
{
|
4502 |
|
|
cs_mute(card, CS_TRUE);
|
4503 |
|
|
muted=1;
|
4504 |
|
|
}
|
4505 |
|
|
tmp |= CS_AC97_POWER_CONTROL_MIXVOFF;
|
4506 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp );
|
4507 |
|
|
/*
|
4508 |
|
|
* Now, we wait until we sample a ready state.
|
4509 |
|
|
*/
|
4510 |
|
|
for (count = 0; count < 32; count++) {
|
4511 |
|
|
/*
|
4512 |
|
|
* First, lets wait a short while to let things settle out a
|
4513 |
|
|
* bit, and to prevent retrying the read too quickly.
|
4514 |
|
|
*/
|
4515 |
|
|
udelay(500);
|
4516 |
|
|
|
4517 |
|
|
/*
|
4518 |
|
|
* Read the current state of the power control register.
|
4519 |
|
|
*/
|
4520 |
|
|
if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4521 |
|
|
CS_AC97_POWER_CONTROL_MIXVOFF_ON))
|
4522 |
|
|
break;
|
4523 |
|
|
}
|
4524 |
|
|
|
4525 |
|
|
/*
|
4526 |
|
|
* Check the status..
|
4527 |
|
|
*/
|
4528 |
|
|
if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4529 |
|
|
CS_AC97_POWER_CONTROL_MIXVOFF_ON)
|
4530 |
|
|
{
|
4531 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
4532 |
|
|
"cs46xx: powerdown MIXVOFF failed\n"));
|
4533 |
|
|
return 1;
|
4534 |
|
|
}
|
4535 |
|
|
}
|
4536 |
|
|
}
|
4537 |
|
|
if(type & CS_POWER_MIXVON)
|
4538 |
|
|
{
|
4539 |
|
|
|
4540 |
|
|
CS_DBGOUT(CS_FUNCTION, 4,
|
4541 |
|
|
printk(KERN_INFO "cs46xx: cs461x_powerdown()+ MIXVON\n"));
|
4542 |
|
|
/*
|
4543 |
|
|
* Power down the MIXER (VREF ON) on the AC97 card.
|
4544 |
|
|
*/
|
4545 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4546 |
|
|
if (tmp & CS_AC97_POWER_CONTROL_MIXVON_ON)
|
4547 |
|
|
{
|
4548 |
|
|
if(!muted)
|
4549 |
|
|
{
|
4550 |
|
|
cs_mute(card, CS_TRUE);
|
4551 |
|
|
muted=1;
|
4552 |
|
|
}
|
4553 |
|
|
tmp |= CS_AC97_POWER_CONTROL_MIXVON;
|
4554 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp );
|
4555 |
|
|
/*
|
4556 |
|
|
* Now, we wait until we sample a ready state.
|
4557 |
|
|
*/
|
4558 |
|
|
for (count = 0; count < 32; count++) {
|
4559 |
|
|
/*
|
4560 |
|
|
* First, lets wait a short while to let things settle out a
|
4561 |
|
|
* bit, and to prevent retrying the read too quickly.
|
4562 |
|
|
*/
|
4563 |
|
|
udelay(500);
|
4564 |
|
|
|
4565 |
|
|
/*
|
4566 |
|
|
* Read the current state of the power control register.
|
4567 |
|
|
*/
|
4568 |
|
|
if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4569 |
|
|
CS_AC97_POWER_CONTROL_MIXVON_ON))
|
4570 |
|
|
break;
|
4571 |
|
|
}
|
4572 |
|
|
|
4573 |
|
|
/*
|
4574 |
|
|
* Check the status..
|
4575 |
|
|
*/
|
4576 |
|
|
if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4577 |
|
|
CS_AC97_POWER_CONTROL_MIXVON_ON)
|
4578 |
|
|
{
|
4579 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
4580 |
|
|
"cs46xx: powerdown MIXVON failed\n"));
|
4581 |
|
|
return 1;
|
4582 |
|
|
}
|
4583 |
|
|
}
|
4584 |
|
|
}
|
4585 |
|
|
if(type & CS_POWER_ADC)
|
4586 |
|
|
{
|
4587 |
|
|
/*
|
4588 |
|
|
* Power down the ADC on the AC97 card.
|
4589 |
|
|
*/
|
4590 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO "cs46xx: cs461x_powerdown()+ ADC\n"));
|
4591 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4592 |
|
|
if (tmp & CS_AC97_POWER_CONTROL_ADC_ON)
|
4593 |
|
|
{
|
4594 |
|
|
if(!muted)
|
4595 |
|
|
{
|
4596 |
|
|
cs_mute(card, CS_TRUE);
|
4597 |
|
|
muted=1;
|
4598 |
|
|
}
|
4599 |
|
|
tmp |= CS_AC97_POWER_CONTROL_ADC;
|
4600 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp );
|
4601 |
|
|
|
4602 |
|
|
/*
|
4603 |
|
|
* Now, we wait until we sample a ready state.
|
4604 |
|
|
*/
|
4605 |
|
|
for (count = 0; count < 32; count++) {
|
4606 |
|
|
/*
|
4607 |
|
|
* First, lets wait a short while to let things settle out a
|
4608 |
|
|
* bit, and to prevent retrying the read too quickly.
|
4609 |
|
|
*/
|
4610 |
|
|
udelay(500);
|
4611 |
|
|
|
4612 |
|
|
/*
|
4613 |
|
|
* Read the current state of the power control register.
|
4614 |
|
|
*/
|
4615 |
|
|
if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4616 |
|
|
CS_AC97_POWER_CONTROL_ADC_ON))
|
4617 |
|
|
break;
|
4618 |
|
|
}
|
4619 |
|
|
|
4620 |
|
|
/*
|
4621 |
|
|
* Check the status..
|
4622 |
|
|
*/
|
4623 |
|
|
if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4624 |
|
|
CS_AC97_POWER_CONTROL_ADC_ON)
|
4625 |
|
|
{
|
4626 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
4627 |
|
|
"cs46xx: powerdown ADC failed\n"));
|
4628 |
|
|
return 1;
|
4629 |
|
|
}
|
4630 |
|
|
}
|
4631 |
|
|
}
|
4632 |
|
|
if(type & CS_POWER_DAC)
|
4633 |
|
|
{
|
4634 |
|
|
/*
|
4635 |
|
|
* Power down the DAC on the AC97 card.
|
4636 |
|
|
*/
|
4637 |
|
|
|
4638 |
|
|
CS_DBGOUT(CS_FUNCTION, 4,
|
4639 |
|
|
printk(KERN_INFO "cs46xx: cs461x_powerdown()+ DAC\n"));
|
4640 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4641 |
|
|
if (tmp & CS_AC97_POWER_CONTROL_DAC_ON)
|
4642 |
|
|
{
|
4643 |
|
|
if(!muted)
|
4644 |
|
|
{
|
4645 |
|
|
cs_mute(card, CS_TRUE);
|
4646 |
|
|
muted=1;
|
4647 |
|
|
}
|
4648 |
|
|
tmp |= CS_AC97_POWER_CONTROL_DAC;
|
4649 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp );
|
4650 |
|
|
/*
|
4651 |
|
|
* Now, we wait until we sample a ready state.
|
4652 |
|
|
*/
|
4653 |
|
|
for (count = 0; count < 32; count++) {
|
4654 |
|
|
/*
|
4655 |
|
|
* First, lets wait a short while to let things settle out a
|
4656 |
|
|
* bit, and to prevent retrying the read too quickly.
|
4657 |
|
|
*/
|
4658 |
|
|
udelay(500);
|
4659 |
|
|
|
4660 |
|
|
/*
|
4661 |
|
|
* Read the current state of the power control register.
|
4662 |
|
|
*/
|
4663 |
|
|
if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4664 |
|
|
CS_AC97_POWER_CONTROL_DAC_ON))
|
4665 |
|
|
break;
|
4666 |
|
|
}
|
4667 |
|
|
|
4668 |
|
|
/*
|
4669 |
|
|
* Check the status..
|
4670 |
|
|
*/
|
4671 |
|
|
if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4672 |
|
|
CS_AC97_POWER_CONTROL_DAC_ON)
|
4673 |
|
|
{
|
4674 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
4675 |
|
|
"cs46xx: powerdown DAC failed\n"));
|
4676 |
|
|
return 1;
|
4677 |
|
|
}
|
4678 |
|
|
}
|
4679 |
|
|
}
|
4680 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4681 |
|
|
if(muted)
|
4682 |
|
|
cs_mute(card, CS_FALSE);
|
4683 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO
|
4684 |
|
|
"cs46xx: cs461x_powerdown()- 0 tmp=0x%x\n",tmp));
|
4685 |
|
|
return 0;
|
4686 |
|
|
}
|
4687 |
|
|
|
4688 |
|
|
static int cs46xx_powerup(struct cs_card *card, unsigned int type)
|
4689 |
|
|
{
|
4690 |
|
|
int count;
|
4691 |
|
|
unsigned int tmp=0,muted=0;
|
4692 |
|
|
|
4693 |
|
|
CS_DBGOUT(CS_FUNCTION, 8, printk(KERN_INFO
|
4694 |
|
|
"cs46xx: cs46xx_powerup()+ type=0x%x\n",type));
|
4695 |
|
|
/*
|
4696 |
|
|
* check for VREF and powerup if need to.
|
4697 |
|
|
*/
|
4698 |
|
|
if(type & CS_POWER_MIXVON)
|
4699 |
|
|
type |= CS_POWER_MIXVOFF;
|
4700 |
|
|
if(type & (CS_POWER_DAC | CS_POWER_ADC))
|
4701 |
|
|
type |= CS_POWER_MIXVON | CS_POWER_MIXVOFF;
|
4702 |
|
|
|
4703 |
|
|
/*
|
4704 |
|
|
* Power up indicated areas.
|
4705 |
|
|
*/
|
4706 |
|
|
if(type & CS_POWER_MIXVOFF)
|
4707 |
|
|
{
|
4708 |
|
|
|
4709 |
|
|
CS_DBGOUT(CS_FUNCTION, 4,
|
4710 |
|
|
printk(KERN_INFO "cs46xx: cs46xx_powerup()+ MIXVOFF\n"));
|
4711 |
|
|
/*
|
4712 |
|
|
* Power up the MIXER (VREF ON) on the AC97 card.
|
4713 |
|
|
*/
|
4714 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4715 |
|
|
if (!(tmp & CS_AC97_POWER_CONTROL_MIXVOFF_ON))
|
4716 |
|
|
{
|
4717 |
|
|
if(!muted)
|
4718 |
|
|
{
|
4719 |
|
|
cs_mute(card, CS_TRUE);
|
4720 |
|
|
muted=1;
|
4721 |
|
|
}
|
4722 |
|
|
tmp &= ~CS_AC97_POWER_CONTROL_MIXVOFF;
|
4723 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp );
|
4724 |
|
|
/*
|
4725 |
|
|
* Now, we wait until we sample a ready state.
|
4726 |
|
|
*/
|
4727 |
|
|
for (count = 0; count < 32; count++) {
|
4728 |
|
|
/*
|
4729 |
|
|
* First, lets wait a short while to let things settle out a
|
4730 |
|
|
* bit, and to prevent retrying the read too quickly.
|
4731 |
|
|
*/
|
4732 |
|
|
udelay(500);
|
4733 |
|
|
|
4734 |
|
|
/*
|
4735 |
|
|
* Read the current state of the power control register.
|
4736 |
|
|
*/
|
4737 |
|
|
if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4738 |
|
|
CS_AC97_POWER_CONTROL_MIXVOFF_ON)
|
4739 |
|
|
break;
|
4740 |
|
|
}
|
4741 |
|
|
|
4742 |
|
|
/*
|
4743 |
|
|
* Check the status..
|
4744 |
|
|
*/
|
4745 |
|
|
if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4746 |
|
|
CS_AC97_POWER_CONTROL_MIXVOFF_ON))
|
4747 |
|
|
{
|
4748 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
4749 |
|
|
"cs46xx: powerup MIXVOFF failed\n"));
|
4750 |
|
|
return 1;
|
4751 |
|
|
}
|
4752 |
|
|
}
|
4753 |
|
|
}
|
4754 |
|
|
if(type & CS_POWER_MIXVON)
|
4755 |
|
|
{
|
4756 |
|
|
|
4757 |
|
|
CS_DBGOUT(CS_FUNCTION, 4,
|
4758 |
|
|
printk(KERN_INFO "cs46xx: cs46xx_powerup()+ MIXVON\n"));
|
4759 |
|
|
/*
|
4760 |
|
|
* Power up the MIXER (VREF ON) on the AC97 card.
|
4761 |
|
|
*/
|
4762 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4763 |
|
|
if (!(tmp & CS_AC97_POWER_CONTROL_MIXVON_ON))
|
4764 |
|
|
{
|
4765 |
|
|
if(!muted)
|
4766 |
|
|
{
|
4767 |
|
|
cs_mute(card, CS_TRUE);
|
4768 |
|
|
muted=1;
|
4769 |
|
|
}
|
4770 |
|
|
tmp &= ~CS_AC97_POWER_CONTROL_MIXVON;
|
4771 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp );
|
4772 |
|
|
/*
|
4773 |
|
|
* Now, we wait until we sample a ready state.
|
4774 |
|
|
*/
|
4775 |
|
|
for (count = 0; count < 32; count++) {
|
4776 |
|
|
/*
|
4777 |
|
|
* First, lets wait a short while to let things settle out a
|
4778 |
|
|
* bit, and to prevent retrying the read too quickly.
|
4779 |
|
|
*/
|
4780 |
|
|
udelay(500);
|
4781 |
|
|
|
4782 |
|
|
/*
|
4783 |
|
|
* Read the current state of the power control register.
|
4784 |
|
|
*/
|
4785 |
|
|
if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4786 |
|
|
CS_AC97_POWER_CONTROL_MIXVON_ON)
|
4787 |
|
|
break;
|
4788 |
|
|
}
|
4789 |
|
|
|
4790 |
|
|
/*
|
4791 |
|
|
* Check the status..
|
4792 |
|
|
*/
|
4793 |
|
|
if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4794 |
|
|
CS_AC97_POWER_CONTROL_MIXVON_ON))
|
4795 |
|
|
{
|
4796 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
4797 |
|
|
"cs46xx: powerup MIXVON failed\n"));
|
4798 |
|
|
return 1;
|
4799 |
|
|
}
|
4800 |
|
|
}
|
4801 |
|
|
}
|
4802 |
|
|
if(type & CS_POWER_ADC)
|
4803 |
|
|
{
|
4804 |
|
|
/*
|
4805 |
|
|
* Power up the ADC on the AC97 card.
|
4806 |
|
|
*/
|
4807 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO "cs46xx: cs46xx_powerup()+ ADC\n"));
|
4808 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4809 |
|
|
if (!(tmp & CS_AC97_POWER_CONTROL_ADC_ON))
|
4810 |
|
|
{
|
4811 |
|
|
if(!muted)
|
4812 |
|
|
{
|
4813 |
|
|
cs_mute(card, CS_TRUE);
|
4814 |
|
|
muted=1;
|
4815 |
|
|
}
|
4816 |
|
|
tmp &= ~CS_AC97_POWER_CONTROL_ADC;
|
4817 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp );
|
4818 |
|
|
|
4819 |
|
|
/*
|
4820 |
|
|
* Now, we wait until we sample a ready state.
|
4821 |
|
|
*/
|
4822 |
|
|
for (count = 0; count < 32; count++) {
|
4823 |
|
|
/*
|
4824 |
|
|
* First, lets wait a short while to let things settle out a
|
4825 |
|
|
* bit, and to prevent retrying the read too quickly.
|
4826 |
|
|
*/
|
4827 |
|
|
udelay(500);
|
4828 |
|
|
|
4829 |
|
|
/*
|
4830 |
|
|
* Read the current state of the power control register.
|
4831 |
|
|
*/
|
4832 |
|
|
if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4833 |
|
|
CS_AC97_POWER_CONTROL_ADC_ON)
|
4834 |
|
|
break;
|
4835 |
|
|
}
|
4836 |
|
|
|
4837 |
|
|
/*
|
4838 |
|
|
* Check the status..
|
4839 |
|
|
*/
|
4840 |
|
|
if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4841 |
|
|
CS_AC97_POWER_CONTROL_ADC_ON))
|
4842 |
|
|
{
|
4843 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
4844 |
|
|
"cs46xx: powerup ADC failed\n"));
|
4845 |
|
|
return 1;
|
4846 |
|
|
}
|
4847 |
|
|
}
|
4848 |
|
|
}
|
4849 |
|
|
if(type & CS_POWER_DAC)
|
4850 |
|
|
{
|
4851 |
|
|
/*
|
4852 |
|
|
* Power up the DAC on the AC97 card.
|
4853 |
|
|
*/
|
4854 |
|
|
|
4855 |
|
|
CS_DBGOUT(CS_FUNCTION, 4,
|
4856 |
|
|
printk(KERN_INFO "cs46xx: cs46xx_powerup()+ DAC\n"));
|
4857 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4858 |
|
|
if (!(tmp & CS_AC97_POWER_CONTROL_DAC_ON))
|
4859 |
|
|
{
|
4860 |
|
|
if(!muted)
|
4861 |
|
|
{
|
4862 |
|
|
cs_mute(card, CS_TRUE);
|
4863 |
|
|
muted=1;
|
4864 |
|
|
}
|
4865 |
|
|
tmp &= ~CS_AC97_POWER_CONTROL_DAC;
|
4866 |
|
|
cs_ac97_set(card->ac97_codec[0], AC97_POWER_CONTROL, tmp );
|
4867 |
|
|
/*
|
4868 |
|
|
* Now, we wait until we sample a ready state.
|
4869 |
|
|
*/
|
4870 |
|
|
for (count = 0; count < 32; count++) {
|
4871 |
|
|
/*
|
4872 |
|
|
* First, lets wait a short while to let things settle out a
|
4873 |
|
|
* bit, and to prevent retrying the read too quickly.
|
4874 |
|
|
*/
|
4875 |
|
|
udelay(500);
|
4876 |
|
|
|
4877 |
|
|
/*
|
4878 |
|
|
* Read the current state of the power control register.
|
4879 |
|
|
*/
|
4880 |
|
|
if (cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4881 |
|
|
CS_AC97_POWER_CONTROL_DAC_ON)
|
4882 |
|
|
break;
|
4883 |
|
|
}
|
4884 |
|
|
|
4885 |
|
|
/*
|
4886 |
|
|
* Check the status..
|
4887 |
|
|
*/
|
4888 |
|
|
if (!(cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL) &
|
4889 |
|
|
CS_AC97_POWER_CONTROL_DAC_ON))
|
4890 |
|
|
{
|
4891 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_WARNING
|
4892 |
|
|
"cs46xx: powerup DAC failed\n"));
|
4893 |
|
|
return 1;
|
4894 |
|
|
}
|
4895 |
|
|
}
|
4896 |
|
|
}
|
4897 |
|
|
tmp = cs_ac97_get(card->ac97_codec[0], AC97_POWER_CONTROL);
|
4898 |
|
|
if(muted)
|
4899 |
|
|
cs_mute(card, CS_FALSE);
|
4900 |
|
|
CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO
|
4901 |
|
|
"cs46xx: cs46xx_powerup()- 0 tmp=0x%x\n",tmp));
|
4902 |
|
|
return 0;
|
4903 |
|
|
}
|
4904 |
|
|
|
4905 |
|
|
|
4906 |
|
|
static void cs461x_proc_start(struct cs_card *card)
|
4907 |
|
|
{
|
4908 |
|
|
int cnt;
|
4909 |
|
|
|
4910 |
|
|
/*
|
4911 |
|
|
* Set the frame timer to reflect the number of cycles per frame.
|
4912 |
|
|
*/
|
4913 |
|
|
cs461x_poke(card, BA1_FRMT, 0xadf);
|
4914 |
|
|
/*
|
4915 |
|
|
* Turn on the run, run at frame, and DMA enable bits in the local copy of
|
4916 |
|
|
* the SP control register.
|
4917 |
|
|
*/
|
4918 |
|
|
cs461x_poke(card, BA1_SPCR, SPCR_RUN | SPCR_RUNFR | SPCR_DRQEN);
|
4919 |
|
|
/*
|
4920 |
|
|
* Wait until the run at frame bit resets itself in the SP control
|
4921 |
|
|
* register.
|
4922 |
|
|
*/
|
4923 |
|
|
for (cnt = 0; cnt < 25; cnt++) {
|
4924 |
|
|
udelay(50);
|
4925 |
|
|
if (!(cs461x_peek(card, BA1_SPCR) & SPCR_RUNFR))
|
4926 |
|
|
break;
|
4927 |
|
|
}
|
4928 |
|
|
|
4929 |
|
|
if (cs461x_peek(card, BA1_SPCR) & SPCR_RUNFR)
|
4930 |
|
|
printk(KERN_WARNING "cs46xx: SPCR_RUNFR never reset\n");
|
4931 |
|
|
}
|
4932 |
|
|
|
4933 |
|
|
static void cs461x_proc_stop(struct cs_card *card)
|
4934 |
|
|
{
|
4935 |
|
|
/*
|
4936 |
|
|
* Turn off the run, run at frame, and DMA enable bits in the local copy of
|
4937 |
|
|
* the SP control register.
|
4938 |
|
|
*/
|
4939 |
|
|
cs461x_poke(card, BA1_SPCR, 0);
|
4940 |
|
|
}
|
4941 |
|
|
|
4942 |
|
|
static int cs_hardware_init(struct cs_card *card)
|
4943 |
|
|
{
|
4944 |
|
|
unsigned long end_time;
|
4945 |
|
|
unsigned int tmp,count;
|
4946 |
|
|
|
4947 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO
|
4948 |
|
|
"cs46xx: cs_hardware_init()+\n") );
|
4949 |
|
|
/*
|
4950 |
|
|
* First, blast the clock control register to zero so that the PLL starts
|
4951 |
|
|
* out in a known state, and blast the master serial port control register
|
4952 |
|
|
* to zero so that the serial ports also start out in a known state.
|
4953 |
|
|
*/
|
4954 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, 0);
|
4955 |
|
|
cs461x_pokeBA0(card, BA0_SERMC1, 0);
|
4956 |
|
|
|
4957 |
|
|
/*
|
4958 |
|
|
* If we are in AC97 mode, then we must set the part to a host controlled
|
4959 |
|
|
* AC-link. Otherwise, we won't be able to bring up the link.
|
4960 |
|
|
*/
|
4961 |
|
|
cs461x_pokeBA0(card, BA0_SERACC, SERACC_HSP | SERACC_CODEC_TYPE_1_03); /* 1.03 card */
|
4962 |
|
|
/* cs461x_pokeBA0(card, BA0_SERACC, SERACC_HSP | SERACC_CODEC_TYPE_2_0); */ /* 2.00 card */
|
4963 |
|
|
|
4964 |
|
|
/*
|
4965 |
|
|
* Drive the ARST# pin low for a minimum of 1uS (as defined in the AC97
|
4966 |
|
|
* spec) and then drive it high. This is done for non AC97 modes since
|
4967 |
|
|
* there might be logic external to the CS461x that uses the ARST# line
|
4968 |
|
|
* for a reset.
|
4969 |
|
|
*/
|
4970 |
|
|
cs461x_pokeBA0(card, BA0_ACCTL, 1);
|
4971 |
|
|
udelay(50);
|
4972 |
|
|
cs461x_pokeBA0(card, BA0_ACCTL, 0);
|
4973 |
|
|
udelay(50);
|
4974 |
|
|
cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_RSTN);
|
4975 |
|
|
|
4976 |
|
|
/*
|
4977 |
|
|
* The first thing we do here is to enable sync generation. As soon
|
4978 |
|
|
* as we start receiving bit clock, we'll start producing the SYNC
|
4979 |
|
|
* signal.
|
4980 |
|
|
*/
|
4981 |
|
|
cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_ESYN | ACCTL_RSTN);
|
4982 |
|
|
|
4983 |
|
|
/*
|
4984 |
|
|
* Now wait for a short while to allow the AC97 part to start
|
4985 |
|
|
* generating bit clock (so we don't try to start the PLL without an
|
4986 |
|
|
* input clock).
|
4987 |
|
|
*/
|
4988 |
|
|
mdelay(5 * cs_laptop_wait); /* 1 should be enough ?? (and pigs might fly) */
|
4989 |
|
|
|
4990 |
|
|
/*
|
4991 |
|
|
* Set the serial port timing configuration, so that
|
4992 |
|
|
* the clock control circuit gets its clock from the correct place.
|
4993 |
|
|
*/
|
4994 |
|
|
cs461x_pokeBA0(card, BA0_SERMC1, SERMC1_PTC_AC97);
|
4995 |
|
|
|
4996 |
|
|
/*
|
4997 |
|
|
* The part seems to not be ready for a while after a resume.
|
4998 |
|
|
* so, if we are resuming, then wait for 700 mils. Note that 600 mils
|
4999 |
|
|
* is not enough for some platforms! tested on an IBM Thinkpads and
|
5000 |
|
|
* reference cards.
|
5001 |
|
|
*/
|
5002 |
|
|
if(!(card->pm.flags & CS46XX_PM_IDLE))
|
5003 |
|
|
mdelay(initdelay);
|
5004 |
|
|
/*
|
5005 |
|
|
* Write the selected clock control setup to the hardware. Do not turn on
|
5006 |
|
|
* SWCE yet (if requested), so that the devices clocked by the output of
|
5007 |
|
|
* PLL are not clocked until the PLL is stable.
|
5008 |
|
|
*/
|
5009 |
|
|
cs461x_pokeBA0(card, BA0_PLLCC, PLLCC_LPF_1050_2780_KHZ | PLLCC_CDR_73_104_MHZ);
|
5010 |
|
|
cs461x_pokeBA0(card, BA0_PLLM, 0x3a);
|
5011 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR2, CLKCR2_PDIVS_8);
|
5012 |
|
|
|
5013 |
|
|
/*
|
5014 |
|
|
* Power up the PLL.
|
5015 |
|
|
*/
|
5016 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, CLKCR1_PLLP);
|
5017 |
|
|
|
5018 |
|
|
/*
|
5019 |
|
|
* Wait until the PLL has stabilized.
|
5020 |
|
|
*/
|
5021 |
|
|
mdelay(5 * cs_laptop_wait); /* Again 1 should be enough ?? */
|
5022 |
|
|
|
5023 |
|
|
/*
|
5024 |
|
|
* Turn on clocking of the core so that we can setup the serial ports.
|
5025 |
|
|
*/
|
5026 |
|
|
tmp = cs461x_peekBA0(card, BA0_CLKCR1) | CLKCR1_SWCE;
|
5027 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, tmp);
|
5028 |
|
|
|
5029 |
|
|
/*
|
5030 |
|
|
* Fill the serial port FIFOs with silence.
|
5031 |
|
|
*/
|
5032 |
|
|
cs461x_clear_serial_FIFOs(card,CS_TYPE_DAC | CS_TYPE_ADC);
|
5033 |
|
|
|
5034 |
|
|
/*
|
5035 |
|
|
* Set the serial port FIFO pointer to the first sample in the FIFO.
|
5036 |
|
|
*/
|
5037 |
|
|
/* cs461x_pokeBA0(card, BA0_SERBSP, 0); */
|
5038 |
|
|
|
5039 |
|
|
/*
|
5040 |
|
|
* Write the serial port configuration to the part. The master
|
5041 |
|
|
* enable bit is not set until all other values have been written.
|
5042 |
|
|
*/
|
5043 |
|
|
cs461x_pokeBA0(card, BA0_SERC1, SERC1_SO1F_AC97 | SERC1_SO1EN);
|
5044 |
|
|
cs461x_pokeBA0(card, BA0_SERC2, SERC2_SI1F_AC97 | SERC1_SO1EN);
|
5045 |
|
|
cs461x_pokeBA0(card, BA0_SERMC1, SERMC1_PTC_AC97 | SERMC1_MSPE);
|
5046 |
|
|
|
5047 |
|
|
|
5048 |
|
|
mdelay(5 * cs_laptop_wait); /* Shouldnt be needed ?? */
|
5049 |
|
|
|
5050 |
|
|
/*
|
5051 |
|
|
* If we are resuming under 2.2.x then we can not schedule a timeout.
|
5052 |
|
|
* so, just spin the CPU.
|
5053 |
|
|
*/
|
5054 |
|
|
if(card->pm.flags & CS46XX_PM_IDLE)
|
5055 |
|
|
{
|
5056 |
|
|
/*
|
5057 |
|
|
* Wait for the card ready signal from the AC97 card.
|
5058 |
|
|
*/
|
5059 |
|
|
end_time = jiffies + 3 * (HZ >> 2);
|
5060 |
|
|
do {
|
5061 |
|
|
/*
|
5062 |
|
|
* Read the AC97 status register to see if we've seen a CODEC READY
|
5063 |
|
|
* signal from the AC97 card.
|
5064 |
|
|
*/
|
5065 |
|
|
if (cs461x_peekBA0(card, BA0_ACSTS) & ACSTS_CRDY)
|
5066 |
|
|
break;
|
5067 |
|
|
current->state = TASK_UNINTERRUPTIBLE;
|
5068 |
|
|
schedule_timeout(1);
|
5069 |
|
|
} while (time_before(jiffies, end_time));
|
5070 |
|
|
}
|
5071 |
|
|
else
|
5072 |
|
|
{
|
5073 |
|
|
for (count = 0; count < 100; count++) {
|
5074 |
|
|
// First, we want to wait for a short time.
|
5075 |
|
|
udelay(25 * cs_laptop_wait);
|
5076 |
|
|
|
5077 |
|
|
if (cs461x_peekBA0(card, BA0_ACSTS) & ACSTS_CRDY)
|
5078 |
|
|
break;
|
5079 |
|
|
}
|
5080 |
|
|
}
|
5081 |
|
|
|
5082 |
|
|
/*
|
5083 |
|
|
* Make sure CODEC is READY.
|
5084 |
|
|
*/
|
5085 |
|
|
if (!(cs461x_peekBA0(card, BA0_ACSTS) & ACSTS_CRDY)) {
|
5086 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_WARNING
|
5087 |
|
|
"cs46xx: create - never read card ready from AC'97\n"));
|
5088 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_WARNING
|
5089 |
|
|
"cs46xx: probably not a bug, try using the CS4232 driver,\n"));
|
5090 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_WARNING
|
5091 |
|
|
"cs46xx: or turn off any automatic Power Management support in the BIOS.\n"));
|
5092 |
|
|
return -EIO;
|
5093 |
|
|
}
|
5094 |
|
|
|
5095 |
|
|
/*
|
5096 |
|
|
* Assert the vaid frame signal so that we can start sending commands
|
5097 |
|
|
* to the AC97 card.
|
5098 |
|
|
*/
|
5099 |
|
|
cs461x_pokeBA0(card, BA0_ACCTL, ACCTL_VFRM | ACCTL_ESYN | ACCTL_RSTN);
|
5100 |
|
|
|
5101 |
|
|
if(card->pm.flags & CS46XX_PM_IDLE)
|
5102 |
|
|
{
|
5103 |
|
|
/*
|
5104 |
|
|
* Wait until we've sampled input slots 3 and 4 as valid, meaning that
|
5105 |
|
|
* the card is pumping ADC data across the AC-link.
|
5106 |
|
|
*/
|
5107 |
|
|
end_time = jiffies + 3 * (HZ >> 2);
|
5108 |
|
|
do {
|
5109 |
|
|
/*
|
5110 |
|
|
* Read the input slot valid register and see if input slots 3 and
|
5111 |
|
|
* 4 are valid yet.
|
5112 |
|
|
*/
|
5113 |
|
|
if ((cs461x_peekBA0(card, BA0_ACISV) & (ACISV_ISV3 | ACISV_ISV4)) == (ACISV_ISV3 | ACISV_ISV4))
|
5114 |
|
|
break;
|
5115 |
|
|
current->state = TASK_UNINTERRUPTIBLE;
|
5116 |
|
|
schedule_timeout(1);
|
5117 |
|
|
} while (time_before(jiffies, end_time));
|
5118 |
|
|
}
|
5119 |
|
|
else
|
5120 |
|
|
{
|
5121 |
|
|
for (count = 0; count < 100; count++) {
|
5122 |
|
|
// First, we want to wait for a short time.
|
5123 |
|
|
udelay(25 * cs_laptop_wait);
|
5124 |
|
|
|
5125 |
|
|
if ((cs461x_peekBA0(card, BA0_ACISV) & (ACISV_ISV3 | ACISV_ISV4)) == (ACISV_ISV3 | ACISV_ISV4))
|
5126 |
|
|
break;
|
5127 |
|
|
}
|
5128 |
|
|
}
|
5129 |
|
|
/*
|
5130 |
|
|
* Make sure input slots 3 and 4 are valid. If not, then return
|
5131 |
|
|
* an error.
|
5132 |
|
|
*/
|
5133 |
|
|
if ((cs461x_peekBA0(card, BA0_ACISV) & (ACISV_ISV3 | ACISV_ISV4)) != (ACISV_ISV3 | ACISV_ISV4)) {
|
5134 |
|
|
printk(KERN_WARNING "cs46xx: create - never read ISV3 & ISV4 from AC'97\n");
|
5135 |
|
|
return -EIO;
|
5136 |
|
|
}
|
5137 |
|
|
|
5138 |
|
|
/*
|
5139 |
|
|
* Now, assert valid frame and the slot 3 and 4 valid bits. This will
|
5140 |
|
|
* commense the transfer of digital audio data to the AC97 card.
|
5141 |
|
|
*/
|
5142 |
|
|
cs461x_pokeBA0(card, BA0_ACOSV, ACOSV_SLV3 | ACOSV_SLV4);
|
5143 |
|
|
|
5144 |
|
|
/*
|
5145 |
|
|
* Turn off the Processor by turning off the software clock enable flag in
|
5146 |
|
|
* the clock control register.
|
5147 |
|
|
*/
|
5148 |
|
|
/* tmp = cs461x_peekBA0(card, BA0_CLKCR1) & ~CLKCR1_SWCE; */
|
5149 |
|
|
/* cs461x_pokeBA0(card, BA0_CLKCR1, tmp); */
|
5150 |
|
|
|
5151 |
|
|
/*
|
5152 |
|
|
* Reset the processor.
|
5153 |
|
|
*/
|
5154 |
|
|
cs461x_reset(card);
|
5155 |
|
|
|
5156 |
|
|
/*
|
5157 |
|
|
* Download the image to the processor.
|
5158 |
|
|
*/
|
5159 |
|
|
|
5160 |
|
|
cs461x_download_image(card);
|
5161 |
|
|
|
5162 |
|
|
/*
|
5163 |
|
|
* Stop playback DMA.
|
5164 |
|
|
*/
|
5165 |
|
|
tmp = cs461x_peek(card, BA1_PCTL);
|
5166 |
|
|
card->pctl = tmp & 0xffff0000;
|
5167 |
|
|
cs461x_poke(card, BA1_PCTL, tmp & 0x0000ffff);
|
5168 |
|
|
|
5169 |
|
|
/*
|
5170 |
|
|
* Stop capture DMA.
|
5171 |
|
|
*/
|
5172 |
|
|
tmp = cs461x_peek(card, BA1_CCTL);
|
5173 |
|
|
card->cctl = tmp & 0x0000ffff;
|
5174 |
|
|
cs461x_poke(card, BA1_CCTL, tmp & 0xffff0000);
|
5175 |
|
|
|
5176 |
|
|
/* initialize AC97 codec and register /dev/mixer */
|
5177 |
|
|
if(card->pm.flags & CS46XX_PM_IDLE)
|
5178 |
|
|
{
|
5179 |
|
|
if (cs_ac97_init(card) <= 0)
|
5180 |
|
|
{
|
5181 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO
|
5182 |
|
|
"cs46xx: cs_ac97_init() failure\n") );
|
5183 |
|
|
return -EIO;
|
5184 |
|
|
}
|
5185 |
|
|
}
|
5186 |
|
|
else
|
5187 |
|
|
{
|
5188 |
|
|
cs46xx_ac97_resume(card);
|
5189 |
|
|
}
|
5190 |
|
|
|
5191 |
|
|
cs461x_proc_start(card);
|
5192 |
|
|
|
5193 |
|
|
/*
|
5194 |
|
|
* Enable interrupts on the part.
|
5195 |
|
|
*/
|
5196 |
|
|
cs461x_pokeBA0(card, BA0_HICR, HICR_IEV | HICR_CHGM);
|
5197 |
|
|
|
5198 |
|
|
tmp = cs461x_peek(card, BA1_PFIE);
|
5199 |
|
|
tmp &= ~0x0000f03f;
|
5200 |
|
|
cs461x_poke(card, BA1_PFIE, tmp); /* playback interrupt enable */
|
5201 |
|
|
|
5202 |
|
|
tmp = cs461x_peek(card, BA1_CIE);
|
5203 |
|
|
tmp &= ~0x0000003f;
|
5204 |
|
|
tmp |= 0x00000001;
|
5205 |
|
|
cs461x_poke(card, BA1_CIE, tmp); /* capture interrupt enable */
|
5206 |
|
|
|
5207 |
|
|
/*
|
5208 |
|
|
* If IDLE then Power down the part. We will power components up
|
5209 |
|
|
* when we need them.
|
5210 |
|
|
*/
|
5211 |
|
|
if(card->pm.flags & CS46XX_PM_IDLE)
|
5212 |
|
|
{
|
5213 |
|
|
if(!cs_powerdown)
|
5214 |
|
|
{
|
5215 |
|
|
if( (tmp = cs46xx_powerup(card, CS_POWER_DAC | CS_POWER_ADC |
|
5216 |
|
|
CS_POWER_MIXVON )) )
|
5217 |
|
|
{
|
5218 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO
|
5219 |
|
|
"cs46xx: cs461x_powerup() failure (0x%x)\n",tmp) );
|
5220 |
|
|
return -EIO;
|
5221 |
|
|
}
|
5222 |
|
|
}
|
5223 |
|
|
else
|
5224 |
|
|
{
|
5225 |
|
|
if( (tmp = cs461x_powerdown(card, CS_POWER_DAC | CS_POWER_ADC |
|
5226 |
|
|
CS_POWER_MIXVON, CS_FALSE )) )
|
5227 |
|
|
{
|
5228 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO
|
5229 |
|
|
"cs46xx: cs461x_powerdown() failure (0x%x)\n",tmp) );
|
5230 |
|
|
return -EIO;
|
5231 |
|
|
}
|
5232 |
|
|
}
|
5233 |
|
|
}
|
5234 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_INIT, 2, printk(KERN_INFO
|
5235 |
|
|
"cs46xx: cs_hardware_init()- 0\n"));
|
5236 |
|
|
return 0;
|
5237 |
|
|
}
|
5238 |
|
|
|
5239 |
|
|
/* install the driver, we do not allocate hardware channel nor DMA buffer now, they are defered
|
5240 |
|
|
until "ACCESS" time (in prog_dmabuf called by open/read/write/ioctl/mmap) */
|
5241 |
|
|
|
5242 |
|
|
/*
|
5243 |
|
|
* Card subid table
|
5244 |
|
|
*/
|
5245 |
|
|
|
5246 |
|
|
struct cs_card_type
|
5247 |
|
|
{
|
5248 |
|
|
u16 vendor;
|
5249 |
|
|
u16 id;
|
5250 |
|
|
char *name;
|
5251 |
|
|
void (*amp)(struct cs_card *, int);
|
5252 |
|
|
void (*amp_init)(struct cs_card *);
|
5253 |
|
|
void (*active)(struct cs_card *, int);
|
5254 |
|
|
};
|
5255 |
|
|
|
5256 |
|
|
static struct cs_card_type cards[]={
|
5257 |
|
|
{0x1489, 0x7001, "Genius Soundmaker 128 value", amp_none, NULL, NULL},
|
5258 |
|
|
{0x5053, 0x3357, "Voyetra", amp_voyetra, NULL, NULL},
|
5259 |
|
|
{0x1071, 0x6003, "Mitac MI6020/21", amp_voyetra, NULL, NULL},
|
5260 |
|
|
{0x14AF, 0x0050, "Hercules Game Theatre XP", amp_hercules, NULL, NULL},
|
5261 |
|
|
{0x1681, 0x0050, "Hercules Game Theatre XP", amp_hercules, NULL, NULL},
|
5262 |
|
|
{0x1681, 0x0051, "Hercules Game Theatre XP", amp_hercules, NULL, NULL},
|
5263 |
|
|
{0x1681, 0x0052, "Hercules Game Theatre XP", amp_hercules, NULL, NULL},
|
5264 |
|
|
{0x1681, 0x0053, "Hercules Game Theatre XP", amp_hercules, NULL, NULL},
|
5265 |
|
|
{0x1681, 0x0054, "Hercules Game Theatre XP", amp_hercules, NULL, NULL},
|
5266 |
|
|
{0x1681, 0xa010, "Hercules Fortissimo II", amp_none, NULL, NULL},
|
5267 |
|
|
|
5268 |
|
|
/* Not sure if the 570 needs the clkrun hack */
|
5269 |
|
|
{PCI_VENDOR_ID_IBM, 0x0132, "Thinkpad 570", amp_none, NULL, clkrun_hack},
|
5270 |
|
|
{PCI_VENDOR_ID_IBM, 0x0153, "Thinkpad 600X/A20/T20", amp_none, NULL, clkrun_hack},
|
5271 |
|
|
{PCI_VENDOR_ID_IBM, 0x1010, "Thinkpad 600E (unsupported)", NULL, NULL, NULL},
|
5272 |
|
|
{0, 0, "Card without SSID set", NULL, NULL, NULL },
|
5273 |
|
|
{0, 0, NULL, NULL, NULL}
|
5274 |
|
|
};
|
5275 |
|
|
|
5276 |
|
|
MODULE_AUTHOR("Alan Cox <alan@redhat.com>, Jaroslav Kysela, <pcaudio@crystal.cirrus.com>");
|
5277 |
|
|
MODULE_DESCRIPTION("Crystal SoundFusion Audio Support");
|
5278 |
|
|
MODULE_LICENSE("GPL");
|
5279 |
|
|
|
5280 |
|
|
|
5281 |
|
|
static const char cs46xx_banner[] = KERN_INFO "Crystal 4280/46xx + AC97 Audio, version " CS46XX_MAJOR_VERSION "." CS46XX_MINOR_VERSION "." CS46XX_ARCH ", " __TIME__ " " __DATE__ "\n";
|
5282 |
|
|
static const char fndmsg[] = KERN_INFO "cs46xx: Found %d audio device(s).\n";
|
5283 |
|
|
|
5284 |
|
|
static int __devinit cs46xx_probe(struct pci_dev *pci_dev,
|
5285 |
|
|
const struct pci_device_id *pciid)
|
5286 |
|
|
{
|
5287 |
|
|
struct pm_dev *pmdev;
|
5288 |
|
|
int i,j;
|
5289 |
|
|
u16 ss_card, ss_vendor;
|
5290 |
|
|
struct cs_card *card;
|
5291 |
|
|
dma_addr_t dma_mask;
|
5292 |
|
|
struct cs_card_type *cp = &cards[0];
|
5293 |
|
|
|
5294 |
|
|
CS_DBGOUT(CS_FUNCTION | CS_INIT, 2,
|
5295 |
|
|
printk(KERN_INFO "cs46xx: probe()+\n"));
|
5296 |
|
|
|
5297 |
|
|
dma_mask = 0xffffffff; /* this enables playback and recording */
|
5298 |
|
|
if (pci_enable_device(pci_dev)) {
|
5299 |
|
|
CS_DBGOUT(CS_INIT | CS_ERROR, 1, printk(KERN_ERR
|
5300 |
|
|
"cs46xx: pci_enable_device() failed\n"));
|
5301 |
|
|
return -1;
|
5302 |
|
|
}
|
5303 |
|
|
if (!RSRCISMEMORYREGION(pci_dev, 0) ||
|
5304 |
|
|
!RSRCISMEMORYREGION(pci_dev, 1)) {
|
5305 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR
|
5306 |
|
|
"cs46xx: probe()- Memory region not assigned\n"));
|
5307 |
|
|
return -1;
|
5308 |
|
|
}
|
5309 |
|
|
if (pci_dev->irq == 0) {
|
5310 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR
|
5311 |
|
|
"cs46xx: probe() IRQ not assigned\n"));
|
5312 |
|
|
return -1;
|
5313 |
|
|
}
|
5314 |
|
|
if (!pci_dma_supported(pci_dev, 0xffffffff)) {
|
5315 |
|
|
CS_DBGOUT(CS_ERROR, 1, printk(KERN_ERR
|
5316 |
|
|
"cs46xx: probe() architecture does not support 32bit PCI busmaster DMA\n"));
|
5317 |
|
|
return -1;
|
5318 |
|
|
}
|
5319 |
|
|
pci_read_config_word(pci_dev, PCI_SUBSYSTEM_VENDOR_ID, &ss_vendor);
|
5320 |
|
|
pci_read_config_word(pci_dev, PCI_SUBSYSTEM_ID, &ss_card);
|
5321 |
|
|
|
5322 |
|
|
if ((card = kmalloc(sizeof(struct cs_card), GFP_KERNEL)) == NULL) {
|
5323 |
|
|
printk(KERN_ERR "cs46xx: out of memory\n");
|
5324 |
|
|
return -ENOMEM;
|
5325 |
|
|
}
|
5326 |
|
|
memset(card, 0, sizeof(*card));
|
5327 |
|
|
card->ba0_addr = RSRCADDRESS(pci_dev, 0);
|
5328 |
|
|
card->ba1_addr = RSRCADDRESS(pci_dev, 1);
|
5329 |
|
|
card->pci_dev = pci_dev;
|
5330 |
|
|
card->irq = pci_dev->irq;
|
5331 |
|
|
card->magic = CS_CARD_MAGIC;
|
5332 |
|
|
spin_lock_init(&card->lock);
|
5333 |
|
|
spin_lock_init(&card->ac97_lock);
|
5334 |
|
|
|
5335 |
|
|
pci_set_master(pci_dev);
|
5336 |
|
|
|
5337 |
|
|
printk(cs46xx_banner);
|
5338 |
|
|
printk(KERN_INFO "cs46xx: Card found at 0x%08lx and 0x%08lx, IRQ %d\n",
|
5339 |
|
|
card->ba0_addr, card->ba1_addr, card->irq);
|
5340 |
|
|
|
5341 |
|
|
card->alloc_pcm_channel = cs_alloc_pcm_channel;
|
5342 |
|
|
card->alloc_rec_pcm_channel = cs_alloc_rec_pcm_channel;
|
5343 |
|
|
card->free_pcm_channel = cs_free_pcm_channel;
|
5344 |
|
|
card->amplifier_ctrl = amp_none;
|
5345 |
|
|
card->active_ctrl = amp_none;
|
5346 |
|
|
|
5347 |
|
|
while (cp->name)
|
5348 |
|
|
{
|
5349 |
|
|
if(cp->vendor == ss_vendor && cp->id == ss_card)
|
5350 |
|
|
{
|
5351 |
|
|
card->amplifier_ctrl = cp->amp;
|
5352 |
|
|
if(cp->active)
|
5353 |
|
|
card->active_ctrl = cp->active;
|
5354 |
|
|
if(cp->amp_init)
|
5355 |
|
|
card->amp_init = cp->amp_init;
|
5356 |
|
|
break;
|
5357 |
|
|
}
|
5358 |
|
|
cp++;
|
5359 |
|
|
}
|
5360 |
|
|
if (cp->name==NULL)
|
5361 |
|
|
{
|
5362 |
|
|
printk(KERN_INFO "cs46xx: Unknown card (%04X:%04X) at 0x%08lx/0x%08lx, IRQ %d\n",
|
5363 |
|
|
ss_vendor, ss_card, card->ba0_addr, card->ba1_addr, card->irq);
|
5364 |
|
|
}
|
5365 |
|
|
else
|
5366 |
|
|
{
|
5367 |
|
|
printk(KERN_INFO "cs46xx: %s (%04X:%04X) at 0x%08lx/0x%08lx, IRQ %d\n",
|
5368 |
|
|
cp->name, ss_vendor, ss_card, card->ba0_addr, card->ba1_addr, card->irq);
|
5369 |
|
|
}
|
5370 |
|
|
|
5371 |
|
|
if (card->amplifier_ctrl==NULL)
|
5372 |
|
|
{
|
5373 |
|
|
card->amplifier_ctrl = amp_none;
|
5374 |
|
|
card->active_ctrl = clkrun_hack;
|
5375 |
|
|
}
|
5376 |
|
|
|
5377 |
|
|
if (external_amp == 1)
|
5378 |
|
|
{
|
5379 |
|
|
printk(KERN_INFO "cs46xx: Crystal EAPD support forced on.\n");
|
5380 |
|
|
card->amplifier_ctrl = amp_voyetra;
|
5381 |
|
|
}
|
5382 |
|
|
|
5383 |
|
|
if (thinkpad == 1)
|
5384 |
|
|
{
|
5385 |
|
|
printk(KERN_INFO "cs46xx: Activating CLKRUN hack for Thinkpad.\n");
|
5386 |
|
|
card->active_ctrl = clkrun_hack;
|
5387 |
|
|
}
|
5388 |
|
|
/*
|
5389 |
|
|
* The thinkpads don't work well without runtime updating on their kernel
|
5390 |
|
|
* delay values (or any laptop with variable CPU speeds really).
|
5391 |
|
|
* so, just to be safe set the init delay to 2100. Eliminates
|
5392 |
|
|
* failures on T21 Thinkpads. remove this code when the udelay
|
5393 |
|
|
* and mdelay kernel code is replaced by a pm timer, or the delays
|
5394 |
|
|
* work well for battery and/or AC power both.
|
5395 |
|
|
*/
|
5396 |
|
|
if(card->active_ctrl == clkrun_hack)
|
5397 |
|
|
{
|
5398 |
|
|
initdelay = 2100;
|
5399 |
|
|
cs_laptop_wait = 5;
|
5400 |
|
|
}
|
5401 |
|
|
if((card->active_ctrl == clkrun_hack) && !(powerdown == 1))
|
5402 |
|
|
{
|
5403 |
|
|
/*
|
5404 |
|
|
* for some currently unknown reason, powering down the DAC and ADC component
|
5405 |
|
|
* blocks on thinkpads causes some funky behavior... distoorrrtion and ac97
|
5406 |
|
|
* codec access problems. probably the serial clock becomes unsynced.
|
5407 |
|
|
* added code to sync the chips back up, but only helped about 70% the time.
|
5408 |
|
|
*/
|
5409 |
|
|
cs_powerdown = 0;
|
5410 |
|
|
}
|
5411 |
|
|
if(powerdown == 0)
|
5412 |
|
|
cs_powerdown = 0;
|
5413 |
|
|
card->active_ctrl(card, 1);
|
5414 |
|
|
|
5415 |
|
|
/* claim our iospace and irq */
|
5416 |
|
|
|
5417 |
|
|
card->ba0 = ioremap_nocache(card->ba0_addr, CS461X_BA0_SIZE);
|
5418 |
|
|
card->ba1.name.data0 = ioremap_nocache(card->ba1_addr + BA1_SP_DMEM0, CS461X_BA1_DATA0_SIZE);
|
5419 |
|
|
card->ba1.name.data1 = ioremap_nocache(card->ba1_addr + BA1_SP_DMEM1, CS461X_BA1_DATA1_SIZE);
|
5420 |
|
|
card->ba1.name.pmem = ioremap_nocache(card->ba1_addr + BA1_SP_PMEM, CS461X_BA1_PRG_SIZE);
|
5421 |
|
|
card->ba1.name.reg = ioremap_nocache(card->ba1_addr + BA1_SP_REG, CS461X_BA1_REG_SIZE);
|
5422 |
|
|
|
5423 |
|
|
CS_DBGOUT(CS_INIT, 4, printk(KERN_INFO
|
5424 |
|
|
"cs46xx: card=0x%x card->ba0=0x%.08x\n",(unsigned)card,(unsigned)card->ba0) );
|
5425 |
|
|
CS_DBGOUT(CS_INIT, 4, printk(KERN_INFO
|
5426 |
|
|
"cs46xx: card->ba1=0x%.08x 0x%.08x 0x%.08x 0x%.08x\n",
|
5427 |
|
|
(unsigned)card->ba1.name.data0,
|
5428 |
|
|
(unsigned)card->ba1.name.data1,
|
5429 |
|
|
(unsigned)card->ba1.name.pmem,
|
5430 |
|
|
(unsigned)card->ba1.name.reg) );
|
5431 |
|
|
|
5432 |
|
|
if(card->ba0 == 0 || card->ba1.name.data0 == 0 ||
|
5433 |
|
|
card->ba1.name.data1 == 0 || card->ba1.name.pmem == 0 ||
|
5434 |
|
|
card->ba1.name.reg == 0)
|
5435 |
|
|
goto fail2;
|
5436 |
|
|
|
5437 |
|
|
if (request_irq(card->irq, &cs_interrupt, SA_SHIRQ, "cs46xx", card)) {
|
5438 |
|
|
printk(KERN_ERR "cs46xx: unable to allocate irq %d\n", card->irq);
|
5439 |
|
|
goto fail2;
|
5440 |
|
|
}
|
5441 |
|
|
/* register /dev/dsp */
|
5442 |
|
|
if ((card->dev_audio = register_sound_dsp(&cs461x_fops, -1)) < 0) {
|
5443 |
|
|
printk(KERN_ERR "cs46xx: unable to register dsp\n");
|
5444 |
|
|
goto fail;
|
5445 |
|
|
}
|
5446 |
|
|
|
5447 |
|
|
/* register /dev/midi */
|
5448 |
|
|
if((card->dev_midi = register_sound_midi(&cs_midi_fops, -1)) < 0)
|
5449 |
|
|
printk(KERN_ERR "cs46xx: unable to register midi\n");
|
5450 |
|
|
|
5451 |
|
|
card->pm.flags |= CS46XX_PM_IDLE;
|
5452 |
|
|
for(i=0;i<5;i++)
|
5453 |
|
|
{
|
5454 |
|
|
if (cs_hardware_init(card) != 0)
|
5455 |
|
|
{
|
5456 |
|
|
CS_DBGOUT(CS_ERROR, 4, printk(
|
5457 |
|
|
"cs46xx: ERROR in cs_hardware_init()... retrying\n"));
|
5458 |
|
|
for (j = 0; j < NR_AC97; j++)
|
5459 |
|
|
if (card->ac97_codec[j] != NULL) {
|
5460 |
|
|
unregister_sound_mixer(card->ac97_codec[j]->dev_mixer);
|
5461 |
|
|
ac97_release_codec(card->ac97_codec[j]);
|
5462 |
|
|
}
|
5463 |
|
|
mdelay(10 * cs_laptop_wait);
|
5464 |
|
|
continue;
|
5465 |
|
|
}
|
5466 |
|
|
break;
|
5467 |
|
|
}
|
5468 |
|
|
if(i>=4)
|
5469 |
|
|
{
|
5470 |
|
|
CS_DBGOUT(CS_PM | CS_ERROR, 1, printk(
|
5471 |
|
|
"cs46xx: cs46xx_probe()- cs_hardware_init() failed, retried %d times.\n",i));
|
5472 |
|
|
unregister_sound_dsp(card->dev_audio);
|
5473 |
|
|
if(card->dev_midi)
|
5474 |
|
|
unregister_sound_midi(card->dev_midi);
|
5475 |
|
|
goto fail;
|
5476 |
|
|
}
|
5477 |
|
|
|
5478 |
|
|
init_waitqueue_head(&card->midi.open_wait);
|
5479 |
|
|
init_MUTEX(&card->midi.open_sem);
|
5480 |
|
|
init_waitqueue_head(&card->midi.iwait);
|
5481 |
|
|
init_waitqueue_head(&card->midi.owait);
|
5482 |
|
|
cs461x_pokeBA0(card, BA0_MIDCR, MIDCR_MRST);
|
5483 |
|
|
cs461x_pokeBA0(card, BA0_MIDCR, 0);
|
5484 |
|
|
|
5485 |
|
|
/*
|
5486 |
|
|
* Check if we have to init the amplifier, but probably already done
|
5487 |
|
|
* since the CD logic in the ac97 init code will turn on the ext amp.
|
5488 |
|
|
*/
|
5489 |
|
|
if(cp->amp_init)
|
5490 |
|
|
cp->amp_init(card);
|
5491 |
|
|
card->active_ctrl(card, -1);
|
5492 |
|
|
|
5493 |
|
|
PCI_SET_DRIVER_DATA(pci_dev, card);
|
5494 |
|
|
PCI_SET_DMA_MASK(pci_dev, dma_mask);
|
5495 |
|
|
list_add(&card->list, &cs46xx_devs);
|
5496 |
|
|
|
5497 |
|
|
pmdev = cs_pm_register(PM_PCI_DEV, PM_PCI_ID(pci_dev), cs46xx_pm_callback);
|
5498 |
|
|
if (pmdev)
|
5499 |
|
|
{
|
5500 |
|
|
CS_DBGOUT(CS_INIT | CS_PM, 4, printk(KERN_INFO
|
5501 |
|
|
"cs46xx: probe() pm_register() succeeded (0x%x).\n",
|
5502 |
|
|
(unsigned)pmdev));
|
5503 |
|
|
pmdev->data = card;
|
5504 |
|
|
}
|
5505 |
|
|
else
|
5506 |
|
|
{
|
5507 |
|
|
CS_DBGOUT(CS_INIT | CS_PM | CS_ERROR, 2, printk(KERN_INFO
|
5508 |
|
|
"cs46xx: probe() pm_register() failed (0x%x).\n",
|
5509 |
|
|
(unsigned)pmdev));
|
5510 |
|
|
card->pm.flags |= CS46XX_PM_NOT_REGISTERED;
|
5511 |
|
|
}
|
5512 |
|
|
|
5513 |
|
|
CS_DBGOUT(CS_PM, 9, printk(KERN_INFO "cs46xx: pm.flags=0x%x card=0x%x\n",
|
5514 |
|
|
(unsigned)card->pm.flags,(unsigned)card));
|
5515 |
|
|
|
5516 |
|
|
CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, printk(KERN_INFO
|
5517 |
|
|
"cs46xx: probe()- device allocated successfully\n"));
|
5518 |
|
|
return 0;
|
5519 |
|
|
|
5520 |
|
|
fail:
|
5521 |
|
|
free_irq(card->irq, card);
|
5522 |
|
|
fail2:
|
5523 |
|
|
if(card->ba0)
|
5524 |
|
|
iounmap(card->ba0);
|
5525 |
|
|
if(card->ba1.name.data0)
|
5526 |
|
|
iounmap(card->ba1.name.data0);
|
5527 |
|
|
if(card->ba1.name.data1)
|
5528 |
|
|
iounmap(card->ba1.name.data1);
|
5529 |
|
|
if(card->ba1.name.pmem)
|
5530 |
|
|
iounmap(card->ba1.name.pmem);
|
5531 |
|
|
if(card->ba1.name.reg)
|
5532 |
|
|
iounmap(card->ba1.name.reg);
|
5533 |
|
|
kfree(card);
|
5534 |
|
|
CS_DBGOUT(CS_INIT | CS_ERROR, 1, printk(KERN_INFO
|
5535 |
|
|
"cs46xx: probe()- no device allocated\n"));
|
5536 |
|
|
return -ENODEV;
|
5537 |
|
|
} // probe_cs46xx
|
5538 |
|
|
|
5539 |
|
|
// ---------------------------------------------------------------------
|
5540 |
|
|
|
5541 |
|
|
static void __devinit cs46xx_remove(struct pci_dev *pci_dev)
|
5542 |
|
|
{
|
5543 |
|
|
struct cs_card *card = PCI_GET_DRIVER_DATA(pci_dev);
|
5544 |
|
|
int i;
|
5545 |
|
|
unsigned int tmp;
|
5546 |
|
|
|
5547 |
|
|
CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, printk(KERN_INFO
|
5548 |
|
|
"cs46xx: cs46xx_remove()+\n"));
|
5549 |
|
|
|
5550 |
|
|
card->active_ctrl(card,1);
|
5551 |
|
|
|
5552 |
|
|
tmp = cs461x_peek(card, BA1_PFIE);
|
5553 |
|
|
tmp &= ~0x0000f03f;
|
5554 |
|
|
tmp |= 0x00000010;
|
5555 |
|
|
cs461x_poke(card, BA1_PFIE, tmp); /* playback interrupt disable */
|
5556 |
|
|
|
5557 |
|
|
tmp = cs461x_peek(card, BA1_CIE);
|
5558 |
|
|
tmp &= ~0x0000003f;
|
5559 |
|
|
tmp |= 0x00000011;
|
5560 |
|
|
cs461x_poke(card, BA1_CIE, tmp); /* capture interrupt disable */
|
5561 |
|
|
|
5562 |
|
|
/*
|
5563 |
|
|
* Stop playback DMA.
|
5564 |
|
|
*/
|
5565 |
|
|
tmp = cs461x_peek(card, BA1_PCTL);
|
5566 |
|
|
cs461x_poke(card, BA1_PCTL, tmp & 0x0000ffff);
|
5567 |
|
|
|
5568 |
|
|
/*
|
5569 |
|
|
* Stop capture DMA.
|
5570 |
|
|
*/
|
5571 |
|
|
tmp = cs461x_peek(card, BA1_CCTL);
|
5572 |
|
|
cs461x_poke(card, BA1_CCTL, tmp & 0xffff0000);
|
5573 |
|
|
|
5574 |
|
|
/*
|
5575 |
|
|
* Reset the processor.
|
5576 |
|
|
*/
|
5577 |
|
|
cs461x_reset(card);
|
5578 |
|
|
|
5579 |
|
|
cs461x_proc_stop(card);
|
5580 |
|
|
|
5581 |
|
|
/*
|
5582 |
|
|
* Power down the DAC and ADC. We will power them up (if) when we need
|
5583 |
|
|
* them.
|
5584 |
|
|
*/
|
5585 |
|
|
if( (tmp = cs461x_powerdown(card, CS_POWER_DAC | CS_POWER_ADC |
|
5586 |
|
|
CS_POWER_MIXVON, CS_TRUE )) )
|
5587 |
|
|
{
|
5588 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(KERN_INFO
|
5589 |
|
|
"cs46xx: cs461x_powerdown() failure (0x%x)\n",tmp) );
|
5590 |
|
|
}
|
5591 |
|
|
|
5592 |
|
|
/*
|
5593 |
|
|
* Power down the PLL.
|
5594 |
|
|
*/
|
5595 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, 0);
|
5596 |
|
|
|
5597 |
|
|
/*
|
5598 |
|
|
* Turn off the Processor by turning off the software clock enable flag in
|
5599 |
|
|
* the clock control register.
|
5600 |
|
|
*/
|
5601 |
|
|
tmp = cs461x_peekBA0(card, BA0_CLKCR1) & ~CLKCR1_SWCE;
|
5602 |
|
|
cs461x_pokeBA0(card, BA0_CLKCR1, tmp);
|
5603 |
|
|
|
5604 |
|
|
card->active_ctrl(card,-1);
|
5605 |
|
|
|
5606 |
|
|
/* free hardware resources */
|
5607 |
|
|
free_irq(card->irq, card);
|
5608 |
|
|
iounmap(card->ba0);
|
5609 |
|
|
iounmap(card->ba1.name.data0);
|
5610 |
|
|
iounmap(card->ba1.name.data1);
|
5611 |
|
|
iounmap(card->ba1.name.pmem);
|
5612 |
|
|
iounmap(card->ba1.name.reg);
|
5613 |
|
|
|
5614 |
|
|
/* unregister audio devices */
|
5615 |
|
|
for (i = 0; i < NR_AC97; i++)
|
5616 |
|
|
if (card->ac97_codec[i] != NULL) {
|
5617 |
|
|
unregister_sound_mixer(card->ac97_codec[i]->dev_mixer);
|
5618 |
|
|
ac97_release_codec(card->ac97_codec[i]);
|
5619 |
|
|
}
|
5620 |
|
|
unregister_sound_dsp(card->dev_audio);
|
5621 |
|
|
if(card->dev_midi)
|
5622 |
|
|
unregister_sound_midi(card->dev_midi);
|
5623 |
|
|
list_del(&card->list);
|
5624 |
|
|
kfree(card);
|
5625 |
|
|
PCI_SET_DRIVER_DATA(pci_dev,NULL);
|
5626 |
|
|
|
5627 |
|
|
CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, printk(KERN_INFO
|
5628 |
|
|
"cs46xx: cs46xx_remove()-: remove successful\n"));
|
5629 |
|
|
}
|
5630 |
|
|
|
5631 |
|
|
enum {
|
5632 |
|
|
CS46XX_4610 = 0,
|
5633 |
|
|
CS46XX_4612, /* same as 4630 */
|
5634 |
|
|
CS46XX_4615, /* same as 4624 */
|
5635 |
|
|
};
|
5636 |
|
|
|
5637 |
|
|
static struct pci_device_id cs46xx_pci_tbl[] __devinitdata = {
|
5638 |
|
|
|
5639 |
|
|
{PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_4610, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CS46XX_4610},
|
5640 |
|
|
{PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_4612, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CS46XX_4612},
|
5641 |
|
|
{PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_4615, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CS46XX_4615},
|
5642 |
|
|
{0,}
|
5643 |
|
|
};
|
5644 |
|
|
|
5645 |
|
|
MODULE_DEVICE_TABLE(pci, cs46xx_pci_tbl);
|
5646 |
|
|
|
5647 |
|
|
struct pci_driver cs46xx_pci_driver = {
|
5648 |
|
|
name:"cs46xx",
|
5649 |
|
|
id_table:cs46xx_pci_tbl,
|
5650 |
|
|
probe:cs46xx_probe,
|
5651 |
|
|
remove:cs46xx_remove,
|
5652 |
|
|
suspend:CS46XX_SUSPEND_TBL,
|
5653 |
|
|
resume:CS46XX_RESUME_TBL,
|
5654 |
|
|
};
|
5655 |
|
|
|
5656 |
|
|
int __init cs46xx_init_module(void)
|
5657 |
|
|
{
|
5658 |
|
|
int rtn = 0;
|
5659 |
|
|
CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, printk(KERN_INFO
|
5660 |
|
|
"cs46xx: cs46xx_init_module()+ \n"));
|
5661 |
|
|
if (!pci_present()) { /* No PCI bus in this machine! */
|
5662 |
|
|
CS_DBGOUT(CS_INIT | CS_FUNCTION, 2, printk(KERN_INFO
|
5663 |
|
|
"cs46xx: cs46xx_init_module()- no pci bus found\n"));
|
5664 |
|
|
return -ENODEV;
|
5665 |
|
|
}
|
5666 |
|
|
rtn = pci_module_init(&cs46xx_pci_driver);
|
5667 |
|
|
|
5668 |
|
|
if(rtn == -ENODEV)
|
5669 |
|
|
{
|
5670 |
|
|
CS_DBGOUT(CS_ERROR | CS_INIT, 1, printk(
|
5671 |
|
|
"cs46xx: Unable to detect valid cs46xx device\n"));
|
5672 |
|
|
}
|
5673 |
|
|
|
5674 |
|
|
CS_DBGOUT(CS_INIT | CS_FUNCTION, 2,
|
5675 |
|
|
printk(KERN_INFO "cs46xx: cs46xx_init_module()- (%d)\n",rtn));
|
5676 |
|
|
return rtn;
|
5677 |
|
|
}
|
5678 |
|
|
|
5679 |
|
|
void __exit cs46xx_cleanup_module(void)
|
5680 |
|
|
{
|
5681 |
|
|
pci_unregister_driver(&cs46xx_pci_driver);
|
5682 |
|
|
cs_pm_unregister_all(cs46xx_pm_callback);
|
5683 |
|
|
CS_DBGOUT(CS_INIT | CS_FUNCTION, 2,
|
5684 |
|
|
printk(KERN_INFO "cs46xx: cleanup_cs46xx() finished\n"));
|
5685 |
|
|
}
|
5686 |
|
|
|
5687 |
|
|
module_init(cs46xx_init_module);
|
5688 |
|
|
module_exit(cs46xx_cleanup_module);
|
5689 |
|
|
|
5690 |
|
|
int cs46xx_pm_callback(struct pm_dev *dev, pm_request_t rqst, void *data)
|
5691 |
|
|
{
|
5692 |
|
|
struct cs_card *card;
|
5693 |
|
|
|
5694 |
|
|
CS_DBGOUT(CS_PM, 2, printk(KERN_INFO
|
5695 |
|
|
"cs46xx: cs46xx_pm_callback dev=0x%x rqst=0x%x card=%d\n",
|
5696 |
|
|
(unsigned)dev,(unsigned)rqst,(unsigned)data));
|
5697 |
|
|
card = (struct cs_card *) dev->data;
|
5698 |
|
|
if (card) {
|
5699 |
|
|
switch(rqst) {
|
5700 |
|
|
case PM_SUSPEND:
|
5701 |
|
|
CS_DBGOUT(CS_PM, 2, printk(KERN_INFO
|
5702 |
|
|
"cs46xx: PM suspend request\n"));
|
5703 |
|
|
if(cs46xx_suspend(card, 0))
|
5704 |
|
|
{
|
5705 |
|
|
CS_DBGOUT(CS_ERROR, 2, printk(KERN_INFO
|
5706 |
|
|
"cs46xx: PM suspend request refused\n"));
|
5707 |
|
|
return 1;
|
5708 |
|
|
}
|
5709 |
|
|
break;
|
5710 |
|
|
case PM_RESUME:
|
5711 |
|
|
CS_DBGOUT(CS_PM, 2, printk(KERN_INFO
|
5712 |
|
|
"cs46xx: PM resume request\n"));
|
5713 |
|
|
if(cs46xx_resume(card))
|
5714 |
|
|
{
|
5715 |
|
|
CS_DBGOUT(CS_ERROR, 2, printk(KERN_INFO
|
5716 |
|
|
"cs46xx: PM resume request refused\n"));
|
5717 |
|
|
return 1;
|
5718 |
|
|
}
|
5719 |
|
|
break;
|
5720 |
|
|
}
|
5721 |
|
|
}
|
5722 |
|
|
|
5723 |
|
|
return 0;
|
5724 |
|
|
}
|
5725 |
|
|
|
5726 |
|
|
#if CS46XX_ACPI_SUPPORT
|
5727 |
|
|
static int cs46xx_suspend_tbl(struct pci_dev *pcidev, u32 state)
|
5728 |
|
|
{
|
5729 |
|
|
struct cs_card *s = PCI_GET_DRIVER_DATA(pcidev);
|
5730 |
|
|
CS_DBGOUT(CS_PM | CS_FUNCTION, 2,
|
5731 |
|
|
printk(KERN_INFO "cs46xx: cs46xx_suspend_tbl request\n"));
|
5732 |
|
|
cs46xx_suspend(s, 0);
|
5733 |
|
|
return 0;
|
5734 |
|
|
}
|
5735 |
|
|
|
5736 |
|
|
static int cs46xx_resume_tbl(struct pci_dev *pcidev)
|
5737 |
|
|
{
|
5738 |
|
|
struct cs_card *s = PCI_GET_DRIVER_DATA(pcidev);
|
5739 |
|
|
CS_DBGOUT(CS_PM | CS_FUNCTION, 2,
|
5740 |
|
|
printk(KERN_INFO "cs46xx: cs46xx_resume_tbl request\n"));
|
5741 |
|
|
cs46xx_resume(s);
|
5742 |
|
|
return 0;
|
5743 |
|
|
}
|
5744 |
|
|
#endif
|