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marcus.erl |
/*
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* stradis.c - stradis 4:2:2 mpeg decoder driver
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*
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* Stradis 4:2:2 MPEG-2 Decoder Driver
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* Copyright (C) 1999 Nathan Laredo <laredo@gnu.org>
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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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*/
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#include <linux/module.h>
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#include <linux/delay.h>
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#include <linux/errno.h>
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#include <linux/fs.h>
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#include <linux/kernel.h>
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#include <linux/major.h>
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#include <linux/slab.h>
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#include <linux/mm.h>
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#include <linux/init.h>
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#include <linux/poll.h>
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#include <linux/pci.h>
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#include <linux/signal.h>
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#include <asm/io.h>
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#include <linux/ioport.h>
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#include <asm/pgtable.h>
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#include <asm/page.h>
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#include <linux/sched.h>
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#include <asm/types.h>
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#include <linux/types.h>
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#include <linux/interrupt.h>
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#include <asm/uaccess.h>
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#include <linux/vmalloc.h>
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#include <linux/videodev.h>
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#include <media/v4l2-common.h>
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#include "saa7146.h"
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#include "saa7146reg.h"
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#include "ibmmpeg2.h"
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#include "saa7121.h"
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#include "cs8420.h"
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#define DEBUG(x) /* debug driver */
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#undef IDEBUG /* debug irq handler */
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#undef MDEBUG /* debug memory management */
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#define SAA7146_MAX 6
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static struct saa7146 saa7146s[SAA7146_MAX];
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static int saa_num = 0; /* number of SAA7146s in use */
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static int video_nr = -1;
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module_param(video_nr, int, 0);
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MODULE_LICENSE("GPL");
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#define nDebNormal 0x00480000
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#define nDebNoInc 0x00480000
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#define nDebVideo 0xd0480000
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#define nDebAudio 0xd0400000
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#define nDebDMA 0x02c80000
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#define oDebNormal 0x13c80000
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#define oDebNoInc 0x13c80000
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#define oDebVideo 0xd1080000
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#define oDebAudio 0xd1080000
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#define oDebDMA 0x03080000
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#define NewCard (saa->boardcfg[3])
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#define ChipControl (saa->boardcfg[1])
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#define NTSCFirstActive (saa->boardcfg[4])
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#define PALFirstActive (saa->boardcfg[5])
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#define NTSCLastActive (saa->boardcfg[54])
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#define PALLastActive (saa->boardcfg[55])
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#define Have2MB (saa->boardcfg[18] & 0x40)
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#define HaveCS8420 (saa->boardcfg[18] & 0x04)
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#define IBMMPEGCD20 (saa->boardcfg[18] & 0x20)
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#define HaveCS3310 (saa->boardcfg[18] & 0x01)
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#define CS3310MaxLvl ((saa->boardcfg[30] << 8) | saa->boardcfg[31])
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#define HaveCS4341 (saa->boardcfg[40] == 2)
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#define SDIType (saa->boardcfg[27])
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#define CurrentMode (saa->boardcfg[2])
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#define debNormal (NewCard ? nDebNormal : oDebNormal)
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#define debNoInc (NewCard ? nDebNoInc : oDebNoInc)
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#define debVideo (NewCard ? nDebVideo : oDebVideo)
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#define debAudio (NewCard ? nDebAudio : oDebAudio)
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#define debDMA (NewCard ? nDebDMA : oDebDMA)
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#ifdef USE_RESCUE_EEPROM_SDM275
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static unsigned char rescue_eeprom[64] = {
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0x00, 0x01, 0x04, 0x13, 0x26, 0x0f, 0x10, 0x00, 0x00, 0x00, 0x43, 0x63,
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0x22, 0x01, 0x29, 0x15, 0x73, 0x00, 0x1f, 'd', 'e', 'c', 'x', 'l',
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'd', 'v', 'a', 0x02, 0x00, 0x01, 0x00, 0xcc, 0xa4, 0x63, 0x09, 0xe2,
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0x10, 0x00, 0x0a, 0x00, 0x02, 0x02, 'd', 'e', 'c', 'x', 'l', 'a',
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0x00, 0x00, 0x42, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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};
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#endif
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/* ----------------------------------------------------------------------- */
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/* Hardware I2C functions */
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static void I2CWipe(struct saa7146 *saa)
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{
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int i;
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/* set i2c to ~=100kHz, abort transfer, clear busy */
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saawrite(0x600 | SAA7146_I2C_ABORT, SAA7146_I2C_STATUS);
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saawrite((SAA7146_MC2_UPLD_I2C << 16) |
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SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
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/* wait for i2c registers to be programmed */
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for (i = 0; i < 1000 &&
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!(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
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schedule();
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saawrite(0x600, SAA7146_I2C_STATUS);
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saawrite((SAA7146_MC2_UPLD_I2C << 16) |
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SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
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/* wait for i2c registers to be programmed */
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for (i = 0; i < 1000 &&
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!(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
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schedule();
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saawrite(0x600, SAA7146_I2C_STATUS);
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saawrite((SAA7146_MC2_UPLD_I2C << 16) |
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SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
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/* wait for i2c registers to be programmed */
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for (i = 0; i < 1000 &&
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!(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
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schedule();
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}
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/* read I2C */
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static int I2CRead(struct saa7146 *saa, unsigned char addr,
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unsigned char subaddr, int dosub)
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{
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int i;
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if (saaread(SAA7146_I2C_STATUS) & 0x3c)
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I2CWipe(saa);
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for (i = 0;
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i < 1000 && (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY);
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i++)
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schedule();
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if (i == 1000)
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I2CWipe(saa);
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if (dosub)
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saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 8) |
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((subaddr & 0xff) << 16) | 0xed, SAA7146_I2C_TRANSFER);
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else
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saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 16) |
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0xf1, SAA7146_I2C_TRANSFER);
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saawrite((SAA7146_MC2_UPLD_I2C << 16) |
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SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
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/* wait for i2c registers to be programmed */
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for (i = 0; i < 1000 &&
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!(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
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schedule();
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/* wait for valid data */
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for (i = 0; i < 1000 &&
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(saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++)
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schedule();
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if (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_ERR)
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return -1;
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if (i == 1000)
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printk("i2c setup read timeout\n");
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saawrite(0x41, SAA7146_I2C_TRANSFER);
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saawrite((SAA7146_MC2_UPLD_I2C << 16) |
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SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
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| 177 |
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/* wait for i2c registers to be programmed */
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for (i = 0; i < 1000 &&
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| 179 |
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!(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
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| 180 |
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schedule();
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| 181 |
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/* wait for valid data */
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| 182 |
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for (i = 0; i < 1000 &&
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| 183 |
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(saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_BUSY); i++)
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schedule();
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if (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_ERR)
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return -1;
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if (i == 1000)
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| 188 |
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printk("i2c read timeout\n");
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| 189 |
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return ((saaread(SAA7146_I2C_TRANSFER) >> 24) & 0xff);
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| 190 |
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}
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| 192 |
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/* set both to write both bytes, reset it to write only b1 */
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| 194 |
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static int I2CWrite(struct saa7146 *saa, unsigned char addr, unsigned char b1,
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unsigned char b2, int both)
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| 196 |
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{
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| 197 |
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int i;
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| 198 |
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u32 data;
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| 199 |
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| 200 |
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if (saaread(SAA7146_I2C_STATUS) & 0x3c)
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I2CWipe(saa);
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for (i = 0; i < 1000 &&
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| 203 |
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(saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++)
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schedule();
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if (i == 1000)
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I2CWipe(saa);
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data = ((addr & 0xfe) << 24) | ((b1 & 0xff) << 16);
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| 208 |
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if (both)
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data |= ((b2 & 0xff) << 8) | 0xe5;
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| 210 |
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else
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data |= 0xd1;
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saawrite(data, SAA7146_I2C_TRANSFER);
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saawrite((SAA7146_MC2_UPLD_I2C << 16) | SAA7146_MC2_UPLD_I2C,
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SAA7146_MC2);
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| 215 |
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return 0;
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| 216 |
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}
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| 217 |
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| 218 |
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static void attach_inform(struct saa7146 *saa, int id)
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| 219 |
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{
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| 220 |
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int i;
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| 221 |
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| 222 |
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DEBUG(printk(KERN_DEBUG "stradis%d: i2c: device found=%02x\n", saa->nr,
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| 223 |
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id));
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| 224 |
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if (id == 0xa0) { /* we have rev2 or later board, fill in info */
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| 225 |
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for (i = 0; i < 64; i++)
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| 226 |
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saa->boardcfg[i] = I2CRead(saa, 0xa0, i, 1);
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| 227 |
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#ifdef USE_RESCUE_EEPROM_SDM275
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| 228 |
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if (saa->boardcfg[0] != 0) {
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| 229 |
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printk("stradis%d: WARNING: EEPROM STORED VALUES HAVE "
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| 230 |
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"BEEN IGNORED\n", saa->nr);
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| 231 |
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for (i = 0; i < 64; i++)
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| 232 |
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saa->boardcfg[i] = rescue_eeprom[i];
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| 233 |
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}
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| 234 |
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#endif
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| 235 |
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printk("stradis%d: config =", saa->nr);
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| 236 |
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for (i = 0; i < 51; i++) {
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| 237 |
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printk(" %02x", saa->boardcfg[i]);
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| 238 |
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}
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| 239 |
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printk("\n");
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| 240 |
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}
|
| 241 |
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}
|
| 242 |
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| 243 |
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static void I2CBusScan(struct saa7146 *saa)
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| 244 |
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{
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| 245 |
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int i;
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| 246 |
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for (i = 0; i < 0xff; i += 2)
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| 247 |
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if ((I2CRead(saa, i, 0, 0)) >= 0)
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| 248 |
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attach_inform(saa, i);
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| 249 |
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}
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| 250 |
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|
| 251 |
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static int debiwait_maxwait = 0;
|
| 252 |
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|
| 253 |
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static int wait_for_debi_done(struct saa7146 *saa)
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| 254 |
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{
|
| 255 |
|
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int i;
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| 256 |
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|
| 257 |
|
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/* wait for registers to be programmed */
|
| 258 |
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for (i = 0; i < 100000 &&
|
| 259 |
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!(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_DEBI); i++)
|
| 260 |
|
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saaread(SAA7146_MC2);
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| 261 |
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/* wait for transfer to complete */
|
| 262 |
|
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for (i = 0; i < 500000 &&
|
| 263 |
|
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(saaread(SAA7146_PSR) & SAA7146_PSR_DEBI_S); i++)
|
| 264 |
|
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saaread(SAA7146_MC2);
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| 265 |
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| 266 |
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if (i > debiwait_maxwait)
|
| 267 |
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printk("wait-for-debi-done maxwait: %d\n",
|
| 268 |
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debiwait_maxwait = i);
|
| 269 |
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| 270 |
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if (i == 500000)
|
| 271 |
|
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return -1;
|
| 272 |
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|
| 273 |
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return 0;
|
| 274 |
|
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}
|
| 275 |
|
|
|
| 276 |
|
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static int debiwrite(struct saa7146 *saa, u32 config, int addr,
|
| 277 |
|
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u32 val, int count)
|
| 278 |
|
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{
|
| 279 |
|
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u32 cmd;
|
| 280 |
|
|
if (count <= 0 || count > 32764)
|
| 281 |
|
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return -1;
|
| 282 |
|
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if (wait_for_debi_done(saa) < 0)
|
| 283 |
|
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return -1;
|
| 284 |
|
|
saawrite(config, SAA7146_DEBI_CONFIG);
|
| 285 |
|
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if (count <= 4) /* immediate transfer */
|
| 286 |
|
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saawrite(val, SAA7146_DEBI_AD);
|
| 287 |
|
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else /* block transfer */
|
| 288 |
|
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saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD);
|
| 289 |
|
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saawrite((cmd = (count << 17) | (addr & 0xffff)), SAA7146_DEBI_COMMAND);
|
| 290 |
|
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saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI,
|
| 291 |
|
|
SAA7146_MC2);
|
| 292 |
|
|
return 0;
|
| 293 |
|
|
}
|
| 294 |
|
|
|
| 295 |
|
|
static u32 debiread(struct saa7146 *saa, u32 config, int addr, int count)
|
| 296 |
|
|
{
|
| 297 |
|
|
u32 result = 0;
|
| 298 |
|
|
|
| 299 |
|
|
if (count > 32764 || count <= 0)
|
| 300 |
|
|
return 0;
|
| 301 |
|
|
if (wait_for_debi_done(saa) < 0)
|
| 302 |
|
|
return 0;
|
| 303 |
|
|
saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD);
|
| 304 |
|
|
saawrite((count << 17) | 0x10000 | (addr & 0xffff),
|
| 305 |
|
|
SAA7146_DEBI_COMMAND);
|
| 306 |
|
|
saawrite(config, SAA7146_DEBI_CONFIG);
|
| 307 |
|
|
saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI,
|
| 308 |
|
|
SAA7146_MC2);
|
| 309 |
|
|
if (count > 4) /* not an immediate transfer */
|
| 310 |
|
|
return count;
|
| 311 |
|
|
wait_for_debi_done(saa);
|
| 312 |
|
|
result = saaread(SAA7146_DEBI_AD);
|
| 313 |
|
|
if (count == 1)
|
| 314 |
|
|
result &= 0xff;
|
| 315 |
|
|
if (count == 2)
|
| 316 |
|
|
result &= 0xffff;
|
| 317 |
|
|
if (count == 3)
|
| 318 |
|
|
result &= 0xffffff;
|
| 319 |
|
|
return result;
|
| 320 |
|
|
}
|
| 321 |
|
|
|
| 322 |
|
|
static void do_irq_send_data(struct saa7146 *saa)
|
| 323 |
|
|
{
|
| 324 |
|
|
int split, audbytes, vidbytes;
|
| 325 |
|
|
|
| 326 |
|
|
saawrite(SAA7146_PSR_PIN1, SAA7146_IER);
|
| 327 |
|
|
/* if special feature mode in effect, disable audio sending */
|
| 328 |
|
|
if (saa->playmode != VID_PLAY_NORMAL)
|
| 329 |
|
|
saa->audtail = saa->audhead = 0;
|
| 330 |
|
|
if (saa->audhead <= saa->audtail)
|
| 331 |
|
|
audbytes = saa->audtail - saa->audhead;
|
| 332 |
|
|
else
|
| 333 |
|
|
audbytes = 65536 - (saa->audhead - saa->audtail);
|
| 334 |
|
|
if (saa->vidhead <= saa->vidtail)
|
| 335 |
|
|
vidbytes = saa->vidtail - saa->vidhead;
|
| 336 |
|
|
else
|
| 337 |
|
|
vidbytes = 524288 - (saa->vidhead - saa->vidtail);
|
| 338 |
|
|
if (audbytes == 0 && vidbytes == 0 && saa->osdtail == saa->osdhead) {
|
| 339 |
|
|
saawrite(0, SAA7146_IER);
|
| 340 |
|
|
return;
|
| 341 |
|
|
}
|
| 342 |
|
|
/* if at least 1 block audio waiting and audio fifo isn't full */
|
| 343 |
|
|
if (audbytes >= 2048 && (debiread(saa, debNormal, IBM_MP2_AUD_FIFO, 2)
|
| 344 |
|
|
& 0xff) < 60) {
|
| 345 |
|
|
if (saa->audhead > saa->audtail)
|
| 346 |
|
|
split = 65536 - saa->audhead;
|
| 347 |
|
|
else
|
| 348 |
|
|
split = 0;
|
| 349 |
|
|
audbytes = 2048;
|
| 350 |
|
|
if (split > 0 && split < 2048) {
|
| 351 |
|
|
memcpy(saa->dmadebi, saa->audbuf + saa->audhead, split);
|
| 352 |
|
|
saa->audhead = 0;
|
| 353 |
|
|
audbytes -= split;
|
| 354 |
|
|
} else
|
| 355 |
|
|
split = 0;
|
| 356 |
|
|
memcpy(saa->dmadebi + split, saa->audbuf + saa->audhead,
|
| 357 |
|
|
audbytes);
|
| 358 |
|
|
saa->audhead += audbytes;
|
| 359 |
|
|
saa->audhead &= 0xffff;
|
| 360 |
|
|
debiwrite(saa, debAudio, (NewCard ? IBM_MP2_AUD_FIFO :
|
| 361 |
|
|
IBM_MP2_AUD_FIFOW), 0, 2048);
|
| 362 |
|
|
wake_up_interruptible(&saa->audq);
|
| 363 |
|
|
/* if at least 1 block video waiting and video fifo isn't full */
|
| 364 |
|
|
} else if (vidbytes >= 30720 && (debiread(saa, debNormal,
|
| 365 |
|
|
IBM_MP2_FIFO, 2)) < 16384) {
|
| 366 |
|
|
if (saa->vidhead > saa->vidtail)
|
| 367 |
|
|
split = 524288 - saa->vidhead;
|
| 368 |
|
|
else
|
| 369 |
|
|
split = 0;
|
| 370 |
|
|
vidbytes = 30720;
|
| 371 |
|
|
if (split > 0 && split < 30720) {
|
| 372 |
|
|
memcpy(saa->dmadebi, saa->vidbuf + saa->vidhead, split);
|
| 373 |
|
|
saa->vidhead = 0;
|
| 374 |
|
|
vidbytes -= split;
|
| 375 |
|
|
} else
|
| 376 |
|
|
split = 0;
|
| 377 |
|
|
memcpy(saa->dmadebi + split, saa->vidbuf + saa->vidhead,
|
| 378 |
|
|
vidbytes);
|
| 379 |
|
|
saa->vidhead += vidbytes;
|
| 380 |
|
|
saa->vidhead &= 0x7ffff;
|
| 381 |
|
|
debiwrite(saa, debVideo, (NewCard ? IBM_MP2_FIFO :
|
| 382 |
|
|
IBM_MP2_FIFOW), 0, 30720);
|
| 383 |
|
|
wake_up_interruptible(&saa->vidq);
|
| 384 |
|
|
}
|
| 385 |
|
|
saawrite(SAA7146_PSR_DEBI_S | SAA7146_PSR_PIN1, SAA7146_IER);
|
| 386 |
|
|
}
|
| 387 |
|
|
|
| 388 |
|
|
static void send_osd_data(struct saa7146 *saa)
|
| 389 |
|
|
{
|
| 390 |
|
|
int size = saa->osdtail - saa->osdhead;
|
| 391 |
|
|
if (size > 30720)
|
| 392 |
|
|
size = 30720;
|
| 393 |
|
|
/* ensure some multiple of 8 bytes is transferred */
|
| 394 |
|
|
size = 8 * ((size + 8) >> 3);
|
| 395 |
|
|
if (size) {
|
| 396 |
|
|
debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR,
|
| 397 |
|
|
(saa->osdhead >> 3), 2);
|
| 398 |
|
|
memcpy(saa->dmadebi, &saa->osdbuf[saa->osdhead], size);
|
| 399 |
|
|
saa->osdhead += size;
|
| 400 |
|
|
/* block transfer of next 8 bytes to ~32k bytes */
|
| 401 |
|
|
debiwrite(saa, debNormal, IBM_MP2_OSD_DATA, 0, size);
|
| 402 |
|
|
}
|
| 403 |
|
|
if (saa->osdhead >= saa->osdtail) {
|
| 404 |
|
|
saa->osdhead = saa->osdtail = 0;
|
| 405 |
|
|
debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2);
|
| 406 |
|
|
}
|
| 407 |
|
|
}
|
| 408 |
|
|
|
| 409 |
|
|
static irqreturn_t saa7146_irq(int irq, void *dev_id)
|
| 410 |
|
|
{
|
| 411 |
|
|
struct saa7146 *saa = dev_id;
|
| 412 |
|
|
u32 stat, astat;
|
| 413 |
|
|
int count;
|
| 414 |
|
|
int handled = 0;
|
| 415 |
|
|
|
| 416 |
|
|
count = 0;
|
| 417 |
|
|
while (1) {
|
| 418 |
|
|
/* get/clear interrupt status bits */
|
| 419 |
|
|
stat = saaread(SAA7146_ISR);
|
| 420 |
|
|
astat = stat & saaread(SAA7146_IER);
|
| 421 |
|
|
if (!astat)
|
| 422 |
|
|
break;
|
| 423 |
|
|
handled = 1;
|
| 424 |
|
|
saawrite(astat, SAA7146_ISR);
|
| 425 |
|
|
if (astat & SAA7146_PSR_DEBI_S) {
|
| 426 |
|
|
do_irq_send_data(saa);
|
| 427 |
|
|
}
|
| 428 |
|
|
if (astat & SAA7146_PSR_PIN1) {
|
| 429 |
|
|
int istat;
|
| 430 |
|
|
/* the following read will trigger DEBI_S */
|
| 431 |
|
|
istat = debiread(saa, debNormal, IBM_MP2_HOST_INT, 2);
|
| 432 |
|
|
if (istat & 1) {
|
| 433 |
|
|
saawrite(0, SAA7146_IER);
|
| 434 |
|
|
send_osd_data(saa);
|
| 435 |
|
|
saawrite(SAA7146_PSR_DEBI_S |
|
| 436 |
|
|
SAA7146_PSR_PIN1, SAA7146_IER);
|
| 437 |
|
|
}
|
| 438 |
|
|
if (istat & 0x20) { /* Video Start */
|
| 439 |
|
|
saa->vidinfo.frame_count++;
|
| 440 |
|
|
}
|
| 441 |
|
|
if (istat & 0x400) { /* Picture Start */
|
| 442 |
|
|
/* update temporal reference */
|
| 443 |
|
|
}
|
| 444 |
|
|
if (istat & 0x200) { /* Picture Resolution Change */
|
| 445 |
|
|
/* read new resolution */
|
| 446 |
|
|
}
|
| 447 |
|
|
if (istat & 0x100) { /* New User Data found */
|
| 448 |
|
|
/* read new user data */
|
| 449 |
|
|
}
|
| 450 |
|
|
if (istat & 0x1000) { /* new GOP/SMPTE */
|
| 451 |
|
|
/* read new SMPTE */
|
| 452 |
|
|
}
|
| 453 |
|
|
if (istat & 0x8000) { /* Sequence Start Code */
|
| 454 |
|
|
/* reset frame counter, load sizes */
|
| 455 |
|
|
saa->vidinfo.frame_count = 0;
|
| 456 |
|
|
saa->vidinfo.h_size = 704;
|
| 457 |
|
|
saa->vidinfo.v_size = 480;
|
| 458 |
|
|
#if 0
|
| 459 |
|
|
if (saa->endmarkhead != saa->endmarktail) {
|
| 460 |
|
|
saa->audhead =
|
| 461 |
|
|
saa->endmark[saa->endmarkhead];
|
| 462 |
|
|
saa->endmarkhead++;
|
| 463 |
|
|
if (saa->endmarkhead >= MAX_MARKS)
|
| 464 |
|
|
saa->endmarkhead = 0;
|
| 465 |
|
|
}
|
| 466 |
|
|
#endif
|
| 467 |
|
|
}
|
| 468 |
|
|
if (istat & 0x4000) { /* Sequence Error Code */
|
| 469 |
|
|
if (saa->endmarkhead != saa->endmarktail) {
|
| 470 |
|
|
saa->audhead =
|
| 471 |
|
|
saa->endmark[saa->endmarkhead];
|
| 472 |
|
|
saa->endmarkhead++;
|
| 473 |
|
|
if (saa->endmarkhead >= MAX_MARKS)
|
| 474 |
|
|
saa->endmarkhead = 0;
|
| 475 |
|
|
}
|
| 476 |
|
|
}
|
| 477 |
|
|
}
|
| 478 |
|
|
#ifdef IDEBUG
|
| 479 |
|
|
if (astat & SAA7146_PSR_PPEF) {
|
| 480 |
|
|
IDEBUG(printk("stradis%d irq: PPEF\n", saa->nr));
|
| 481 |
|
|
}
|
| 482 |
|
|
if (astat & SAA7146_PSR_PABO) {
|
| 483 |
|
|
IDEBUG(printk("stradis%d irq: PABO\n", saa->nr));
|
| 484 |
|
|
}
|
| 485 |
|
|
if (astat & SAA7146_PSR_PPED) {
|
| 486 |
|
|
IDEBUG(printk("stradis%d irq: PPED\n", saa->nr));
|
| 487 |
|
|
}
|
| 488 |
|
|
if (astat & SAA7146_PSR_RPS_I1) {
|
| 489 |
|
|
IDEBUG(printk("stradis%d irq: RPS_I1\n", saa->nr));
|
| 490 |
|
|
}
|
| 491 |
|
|
if (astat & SAA7146_PSR_RPS_I0) {
|
| 492 |
|
|
IDEBUG(printk("stradis%d irq: RPS_I0\n", saa->nr));
|
| 493 |
|
|
}
|
| 494 |
|
|
if (astat & SAA7146_PSR_RPS_LATE1) {
|
| 495 |
|
|
IDEBUG(printk("stradis%d irq: RPS_LATE1\n", saa->nr));
|
| 496 |
|
|
}
|
| 497 |
|
|
if (astat & SAA7146_PSR_RPS_LATE0) {
|
| 498 |
|
|
IDEBUG(printk("stradis%d irq: RPS_LATE0\n", saa->nr));
|
| 499 |
|
|
}
|
| 500 |
|
|
if (astat & SAA7146_PSR_RPS_E1) {
|
| 501 |
|
|
IDEBUG(printk("stradis%d irq: RPS_E1\n", saa->nr));
|
| 502 |
|
|
}
|
| 503 |
|
|
if (astat & SAA7146_PSR_RPS_E0) {
|
| 504 |
|
|
IDEBUG(printk("stradis%d irq: RPS_E0\n", saa->nr));
|
| 505 |
|
|
}
|
| 506 |
|
|
if (astat & SAA7146_PSR_RPS_TO1) {
|
| 507 |
|
|
IDEBUG(printk("stradis%d irq: RPS_TO1\n", saa->nr));
|
| 508 |
|
|
}
|
| 509 |
|
|
if (astat & SAA7146_PSR_RPS_TO0) {
|
| 510 |
|
|
IDEBUG(printk("stradis%d irq: RPS_TO0\n", saa->nr));
|
| 511 |
|
|
}
|
| 512 |
|
|
if (astat & SAA7146_PSR_UPLD) {
|
| 513 |
|
|
IDEBUG(printk("stradis%d irq: UPLD\n", saa->nr));
|
| 514 |
|
|
}
|
| 515 |
|
|
if (astat & SAA7146_PSR_DEBI_E) {
|
| 516 |
|
|
IDEBUG(printk("stradis%d irq: DEBI_E\n", saa->nr));
|
| 517 |
|
|
}
|
| 518 |
|
|
if (astat & SAA7146_PSR_I2C_S) {
|
| 519 |
|
|
IDEBUG(printk("stradis%d irq: I2C_S\n", saa->nr));
|
| 520 |
|
|
}
|
| 521 |
|
|
if (astat & SAA7146_PSR_I2C_E) {
|
| 522 |
|
|
IDEBUG(printk("stradis%d irq: I2C_E\n", saa->nr));
|
| 523 |
|
|
}
|
| 524 |
|
|
if (astat & SAA7146_PSR_A2_IN) {
|
| 525 |
|
|
IDEBUG(printk("stradis%d irq: A2_IN\n", saa->nr));
|
| 526 |
|
|
}
|
| 527 |
|
|
if (astat & SAA7146_PSR_A2_OUT) {
|
| 528 |
|
|
IDEBUG(printk("stradis%d irq: A2_OUT\n", saa->nr));
|
| 529 |
|
|
}
|
| 530 |
|
|
if (astat & SAA7146_PSR_A1_IN) {
|
| 531 |
|
|
IDEBUG(printk("stradis%d irq: A1_IN\n", saa->nr));
|
| 532 |
|
|
}
|
| 533 |
|
|
if (astat & SAA7146_PSR_A1_OUT) {
|
| 534 |
|
|
IDEBUG(printk("stradis%d irq: A1_OUT\n", saa->nr));
|
| 535 |
|
|
}
|
| 536 |
|
|
if (astat & SAA7146_PSR_AFOU) {
|
| 537 |
|
|
IDEBUG(printk("stradis%d irq: AFOU\n", saa->nr));
|
| 538 |
|
|
}
|
| 539 |
|
|
if (astat & SAA7146_PSR_V_PE) {
|
| 540 |
|
|
IDEBUG(printk("stradis%d irq: V_PE\n", saa->nr));
|
| 541 |
|
|
}
|
| 542 |
|
|
if (astat & SAA7146_PSR_VFOU) {
|
| 543 |
|
|
IDEBUG(printk("stradis%d irq: VFOU\n", saa->nr));
|
| 544 |
|
|
}
|
| 545 |
|
|
if (astat & SAA7146_PSR_FIDA) {
|
| 546 |
|
|
IDEBUG(printk("stradis%d irq: FIDA\n", saa->nr));
|
| 547 |
|
|
}
|
| 548 |
|
|
if (astat & SAA7146_PSR_FIDB) {
|
| 549 |
|
|
IDEBUG(printk("stradis%d irq: FIDB\n", saa->nr));
|
| 550 |
|
|
}
|
| 551 |
|
|
if (astat & SAA7146_PSR_PIN3) {
|
| 552 |
|
|
IDEBUG(printk("stradis%d irq: PIN3\n", saa->nr));
|
| 553 |
|
|
}
|
| 554 |
|
|
if (astat & SAA7146_PSR_PIN2) {
|
| 555 |
|
|
IDEBUG(printk("stradis%d irq: PIN2\n", saa->nr));
|
| 556 |
|
|
}
|
| 557 |
|
|
if (astat & SAA7146_PSR_PIN0) {
|
| 558 |
|
|
IDEBUG(printk("stradis%d irq: PIN0\n", saa->nr));
|
| 559 |
|
|
}
|
| 560 |
|
|
if (astat & SAA7146_PSR_ECS) {
|
| 561 |
|
|
IDEBUG(printk("stradis%d irq: ECS\n", saa->nr));
|
| 562 |
|
|
}
|
| 563 |
|
|
if (astat & SAA7146_PSR_EC3S) {
|
| 564 |
|
|
IDEBUG(printk("stradis%d irq: EC3S\n", saa->nr));
|
| 565 |
|
|
}
|
| 566 |
|
|
if (astat & SAA7146_PSR_EC0S) {
|
| 567 |
|
|
IDEBUG(printk("stradis%d irq: EC0S\n", saa->nr));
|
| 568 |
|
|
}
|
| 569 |
|
|
#endif
|
| 570 |
|
|
count++;
|
| 571 |
|
|
if (count > 15)
|
| 572 |
|
|
printk(KERN_WARNING "stradis%d: irq loop %d\n",
|
| 573 |
|
|
saa->nr, count);
|
| 574 |
|
|
if (count > 20) {
|
| 575 |
|
|
saawrite(0, SAA7146_IER);
|
| 576 |
|
|
printk(KERN_ERR
|
| 577 |
|
|
"stradis%d: IRQ loop cleared\n", saa->nr);
|
| 578 |
|
|
}
|
| 579 |
|
|
}
|
| 580 |
|
|
return IRQ_RETVAL(handled);
|
| 581 |
|
|
}
|
| 582 |
|
|
|
| 583 |
|
|
static int ibm_send_command(struct saa7146 *saa,
|
| 584 |
|
|
int command, int data, int chain)
|
| 585 |
|
|
{
|
| 586 |
|
|
int i;
|
| 587 |
|
|
|
| 588 |
|
|
if (chain)
|
| 589 |
|
|
debiwrite(saa, debNormal, IBM_MP2_COMMAND, (command << 1)| 1,2);
|
| 590 |
|
|
else
|
| 591 |
|
|
debiwrite(saa, debNormal, IBM_MP2_COMMAND, command << 1, 2);
|
| 592 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CMD_DATA, data, 2);
|
| 593 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CMD_STAT, 1, 2);
|
| 594 |
|
|
for (i = 0; i < 100 &&
|
| 595 |
|
|
(debiread(saa, debNormal, IBM_MP2_CMD_STAT, 2) & 1); i++)
|
| 596 |
|
|
schedule();
|
| 597 |
|
|
if (i == 100)
|
| 598 |
|
|
return -1;
|
| 599 |
|
|
return 0;
|
| 600 |
|
|
}
|
| 601 |
|
|
|
| 602 |
|
|
static void cs4341_setlevel(struct saa7146 *saa, int left, int right)
|
| 603 |
|
|
{
|
| 604 |
|
|
I2CWrite(saa, 0x22, 0x03, left > 94 ? 94 : left, 2);
|
| 605 |
|
|
I2CWrite(saa, 0x22, 0x04, right > 94 ? 94 : right, 2);
|
| 606 |
|
|
}
|
| 607 |
|
|
|
| 608 |
|
|
static void initialize_cs4341(struct saa7146 *saa)
|
| 609 |
|
|
{
|
| 610 |
|
|
int i;
|
| 611 |
|
|
for (i = 0; i < 200; i++) {
|
| 612 |
|
|
/* auto mute off, power on, no de-emphasis */
|
| 613 |
|
|
/* I2S data up to 24-bit 64xFs internal SCLK */
|
| 614 |
|
|
I2CWrite(saa, 0x22, 0x01, 0x11, 2);
|
| 615 |
|
|
/* ATAPI mixer settings */
|
| 616 |
|
|
I2CWrite(saa, 0x22, 0x02, 0x49, 2);
|
| 617 |
|
|
/* attenuation left 3db */
|
| 618 |
|
|
I2CWrite(saa, 0x22, 0x03, 0x00, 2);
|
| 619 |
|
|
/* attenuation right 3db */
|
| 620 |
|
|
I2CWrite(saa, 0x22, 0x04, 0x00, 2);
|
| 621 |
|
|
I2CWrite(saa, 0x22, 0x01, 0x10, 2);
|
| 622 |
|
|
if (I2CRead(saa, 0x22, 0x02, 1) == 0x49)
|
| 623 |
|
|
break;
|
| 624 |
|
|
schedule();
|
| 625 |
|
|
}
|
| 626 |
|
|
printk("stradis%d: CS4341 initialized (%d)\n", saa->nr, i);
|
| 627 |
|
|
return;
|
| 628 |
|
|
}
|
| 629 |
|
|
|
| 630 |
|
|
static void initialize_cs8420(struct saa7146 *saa, int pro)
|
| 631 |
|
|
{
|
| 632 |
|
|
int i;
|
| 633 |
|
|
u8 *sequence;
|
| 634 |
|
|
if (pro)
|
| 635 |
|
|
sequence = mode8420pro;
|
| 636 |
|
|
else
|
| 637 |
|
|
sequence = mode8420con;
|
| 638 |
|
|
for (i = 0; i < INIT8420LEN; i++)
|
| 639 |
|
|
I2CWrite(saa, 0x20, init8420[i * 2], init8420[i * 2 + 1], 2);
|
| 640 |
|
|
for (i = 0; i < MODE8420LEN; i++)
|
| 641 |
|
|
I2CWrite(saa, 0x20, sequence[i * 2], sequence[i * 2 + 1], 2);
|
| 642 |
|
|
printk("stradis%d: CS8420 initialized\n", saa->nr);
|
| 643 |
|
|
}
|
| 644 |
|
|
|
| 645 |
|
|
static void initialize_saa7121(struct saa7146 *saa, int dopal)
|
| 646 |
|
|
{
|
| 647 |
|
|
int i, mod;
|
| 648 |
|
|
u8 *sequence;
|
| 649 |
|
|
if (dopal)
|
| 650 |
|
|
sequence = init7121pal;
|
| 651 |
|
|
else
|
| 652 |
|
|
sequence = init7121ntsc;
|
| 653 |
|
|
mod = saaread(SAA7146_PSR) & 0x08;
|
| 654 |
|
|
/* initialize PAL/NTSC video encoder */
|
| 655 |
|
|
for (i = 0; i < INIT7121LEN; i++) {
|
| 656 |
|
|
if (NewCard) { /* handle new card encoder differences */
|
| 657 |
|
|
if (sequence[i * 2] == 0x3a)
|
| 658 |
|
|
I2CWrite(saa, 0x88, 0x3a, 0x13, 2);
|
| 659 |
|
|
else if (sequence[i * 2] == 0x6b)
|
| 660 |
|
|
I2CWrite(saa, 0x88, 0x6b, 0x20, 2);
|
| 661 |
|
|
else if (sequence[i * 2] == 0x6c)
|
| 662 |
|
|
I2CWrite(saa, 0x88, 0x6c,
|
| 663 |
|
|
dopal ? 0x09 : 0xf5, 2);
|
| 664 |
|
|
else if (sequence[i * 2] == 0x6d)
|
| 665 |
|
|
I2CWrite(saa, 0x88, 0x6d,
|
| 666 |
|
|
dopal ? 0x20 : 0x00, 2);
|
| 667 |
|
|
else if (sequence[i * 2] == 0x7a)
|
| 668 |
|
|
I2CWrite(saa, 0x88, 0x7a,
|
| 669 |
|
|
dopal ? (PALFirstActive - 1) :
|
| 670 |
|
|
(NTSCFirstActive - 4), 2);
|
| 671 |
|
|
else if (sequence[i * 2] == 0x7b)
|
| 672 |
|
|
I2CWrite(saa, 0x88, 0x7b,
|
| 673 |
|
|
dopal ? PALLastActive :
|
| 674 |
|
|
NTSCLastActive, 2);
|
| 675 |
|
|
else
|
| 676 |
|
|
I2CWrite(saa, 0x88, sequence[i * 2],
|
| 677 |
|
|
sequence[i * 2 + 1], 2);
|
| 678 |
|
|
} else {
|
| 679 |
|
|
if (sequence[i * 2] == 0x6b && mod)
|
| 680 |
|
|
I2CWrite(saa, 0x88, 0x6b,
|
| 681 |
|
|
(sequence[i * 2 + 1] ^ 0x09), 2);
|
| 682 |
|
|
else if (sequence[i * 2] == 0x7a)
|
| 683 |
|
|
I2CWrite(saa, 0x88, 0x7a,
|
| 684 |
|
|
dopal ? (PALFirstActive - 1) :
|
| 685 |
|
|
(NTSCFirstActive - 4), 2);
|
| 686 |
|
|
else if (sequence[i * 2] == 0x7b)
|
| 687 |
|
|
I2CWrite(saa, 0x88, 0x7b,
|
| 688 |
|
|
dopal ? PALLastActive :
|
| 689 |
|
|
NTSCLastActive, 2);
|
| 690 |
|
|
else
|
| 691 |
|
|
I2CWrite(saa, 0x88, sequence[i * 2],
|
| 692 |
|
|
sequence[i * 2 + 1], 2);
|
| 693 |
|
|
}
|
| 694 |
|
|
}
|
| 695 |
|
|
}
|
| 696 |
|
|
|
| 697 |
|
|
static void set_genlock_offset(struct saa7146 *saa, int noffset)
|
| 698 |
|
|
{
|
| 699 |
|
|
int nCode;
|
| 700 |
|
|
int PixelsPerLine = 858;
|
| 701 |
|
|
if (CurrentMode == VIDEO_MODE_PAL)
|
| 702 |
|
|
PixelsPerLine = 864;
|
| 703 |
|
|
if (noffset > 500)
|
| 704 |
|
|
noffset = 500;
|
| 705 |
|
|
else if (noffset < -500)
|
| 706 |
|
|
noffset = -500;
|
| 707 |
|
|
nCode = noffset + 0x100;
|
| 708 |
|
|
if (nCode == 1)
|
| 709 |
|
|
nCode = 0x401;
|
| 710 |
|
|
else if (nCode < 1)
|
| 711 |
|
|
nCode = 0x400 + PixelsPerLine + nCode;
|
| 712 |
|
|
debiwrite(saa, debNormal, XILINX_GLDELAY, nCode, 2);
|
| 713 |
|
|
}
|
| 714 |
|
|
|
| 715 |
|
|
static void set_out_format(struct saa7146 *saa, int mode)
|
| 716 |
|
|
{
|
| 717 |
|
|
initialize_saa7121(saa, (mode == VIDEO_MODE_NTSC ? 0 : 1));
|
| 718 |
|
|
saa->boardcfg[2] = mode;
|
| 719 |
|
|
/* do not adjust analog video parameters here, use saa7121 init */
|
| 720 |
|
|
/* you will affect the SDI output on the new card */
|
| 721 |
|
|
if (mode == VIDEO_MODE_PAL) { /* PAL */
|
| 722 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0, 0x0808, 2);
|
| 723 |
|
|
mdelay(50);
|
| 724 |
|
|
saawrite(0x012002c0, SAA7146_NUM_LINE_BYTE1);
|
| 725 |
|
|
if (NewCard) {
|
| 726 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_MODE, 0xe100, 2);
|
| 727 |
|
|
mdelay(50);
|
| 728 |
|
|
}
|
| 729 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_MODE,
|
| 730 |
|
|
NewCard ? 0xe500 : 0x6500, 2);
|
| 731 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_DLY,
|
| 732 |
|
|
(1 << 8) |
|
| 733 |
|
|
(NewCard ? PALFirstActive : PALFirstActive - 6), 2);
|
| 734 |
|
|
} else { /* NTSC */
|
| 735 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0, 0x0800, 2);
|
| 736 |
|
|
mdelay(50);
|
| 737 |
|
|
saawrite(0x00f002c0, SAA7146_NUM_LINE_BYTE1);
|
| 738 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_MODE,
|
| 739 |
|
|
NewCard ? 0xe100 : 0x6100, 2);
|
| 740 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_DLY,
|
| 741 |
|
|
(1 << 8) |
|
| 742 |
|
|
(NewCard ? NTSCFirstActive : NTSCFirstActive - 6), 2);
|
| 743 |
|
|
}
|
| 744 |
|
|
}
|
| 745 |
|
|
|
| 746 |
|
|
/* Intialize bitmangler to map from a byte value to the mangled word that
|
| 747 |
|
|
* must be output to program the Xilinx part through the DEBI port.
|
| 748 |
|
|
* Xilinx Data Bit->DEBI Bit: 0->15 1->7 2->6 3->12 4->11 5->2 6->1 7->0
|
| 749 |
|
|
* transfer FPGA code, init IBM chip, transfer IBM microcode
|
| 750 |
|
|
* rev2 card mangles: 0->7 1->6 2->5 3->4 4->3 5->2 6->1 7->0
|
| 751 |
|
|
*/
|
| 752 |
|
|
static u16 bitmangler[256];
|
| 753 |
|
|
|
| 754 |
|
|
static int initialize_fpga(struct video_code *bitdata)
|
| 755 |
|
|
{
|
| 756 |
|
|
int i, num, startindex, failure = 0, loadtwo, loadfile = 0;
|
| 757 |
|
|
u16 *dmabuf;
|
| 758 |
|
|
u8 *newdma;
|
| 759 |
|
|
struct saa7146 *saa;
|
| 760 |
|
|
|
| 761 |
|
|
/* verify fpga code */
|
| 762 |
|
|
for (startindex = 0; startindex < bitdata->datasize; startindex++)
|
| 763 |
|
|
if (bitdata->data[startindex] == 255)
|
| 764 |
|
|
break;
|
| 765 |
|
|
if (startindex == bitdata->datasize) {
|
| 766 |
|
|
printk(KERN_INFO "stradis: bad fpga code\n");
|
| 767 |
|
|
return -1;
|
| 768 |
|
|
}
|
| 769 |
|
|
/* initialize all detected cards */
|
| 770 |
|
|
for (num = 0; num < saa_num; num++) {
|
| 771 |
|
|
saa = &saa7146s[num];
|
| 772 |
|
|
if (saa->boardcfg[0] > 20)
|
| 773 |
|
|
continue; /* card was programmed */
|
| 774 |
|
|
loadtwo = (saa->boardcfg[18] & 0x10);
|
| 775 |
|
|
if (!NewCard) /* we have an old board */
|
| 776 |
|
|
for (i = 0; i < 256; i++)
|
| 777 |
|
|
bitmangler[i] = ((i & 0x01) << 15) |
|
| 778 |
|
|
((i & 0x02) << 6) | ((i & 0x04) << 4) |
|
| 779 |
|
|
((i & 0x08) << 9) | ((i & 0x10) << 7) |
|
| 780 |
|
|
((i & 0x20) >> 3) | ((i & 0x40) >> 5) |
|
| 781 |
|
|
((i & 0x80) >> 7);
|
| 782 |
|
|
else /* else we have a new board */
|
| 783 |
|
|
for (i = 0; i < 256; i++)
|
| 784 |
|
|
bitmangler[i] = ((i & 0x01) << 7) |
|
| 785 |
|
|
((i & 0x02) << 5) | ((i & 0x04) << 3) |
|
| 786 |
|
|
((i & 0x08) << 1) | ((i & 0x10) >> 1) |
|
| 787 |
|
|
((i & 0x20) >> 3) | ((i & 0x40) >> 5) |
|
| 788 |
|
|
((i & 0x80) >> 7);
|
| 789 |
|
|
|
| 790 |
|
|
dmabuf = (u16 *) saa->dmadebi;
|
| 791 |
|
|
newdma = (u8 *) saa->dmadebi;
|
| 792 |
|
|
if (NewCard) { /* SDM2xxx */
|
| 793 |
|
|
if (!strncmp(bitdata->loadwhat, "decoder2", 8))
|
| 794 |
|
|
continue; /* fpga not for this card */
|
| 795 |
|
|
if (!strncmp(&saa->boardcfg[42], bitdata->loadwhat, 8))
|
| 796 |
|
|
loadfile = 1;
|
| 797 |
|
|
else if (loadtwo && !strncmp(&saa->boardcfg[19],
|
| 798 |
|
|
bitdata->loadwhat, 8))
|
| 799 |
|
|
loadfile = 2;
|
| 800 |
|
|
else if (!saa->boardcfg[42] && !strncmp("decxl",
|
| 801 |
|
|
bitdata->loadwhat, 8))
|
| 802 |
|
|
loadfile = 1; /* special */
|
| 803 |
|
|
else
|
| 804 |
|
|
continue; /* fpga not for this card */
|
| 805 |
|
|
if (loadfile != 1 && loadfile != 2)
|
| 806 |
|
|
continue; /* skip to next card */
|
| 807 |
|
|
if (saa->boardcfg[0] && loadfile == 1)
|
| 808 |
|
|
continue; /* skip to next card */
|
| 809 |
|
|
if (saa->boardcfg[0] != 1 && loadfile == 2)
|
| 810 |
|
|
continue; /* skip to next card */
|
| 811 |
|
|
saa->boardcfg[0]++; /* mark fpga handled */
|
| 812 |
|
|
printk("stradis%d: loading %s\n", saa->nr,
|
| 813 |
|
|
bitdata->loadwhat);
|
| 814 |
|
|
if (loadtwo && loadfile == 2)
|
| 815 |
|
|
goto send_fpga_stuff;
|
| 816 |
|
|
/* turn on the Audio interface to set PROG low */
|
| 817 |
|
|
saawrite(0x00400040, SAA7146_GPIO_CTRL);
|
| 818 |
|
|
saaread(SAA7146_PSR); /* ensure posted write */
|
| 819 |
|
|
/* wait for everyone to reset */
|
| 820 |
|
|
mdelay(10);
|
| 821 |
|
|
saawrite(0x00400000, SAA7146_GPIO_CTRL);
|
| 822 |
|
|
} else { /* original card */
|
| 823 |
|
|
if (strncmp(bitdata->loadwhat, "decoder2", 8))
|
| 824 |
|
|
continue; /* fpga not for this card */
|
| 825 |
|
|
/* Pull the Xilinx PROG signal WS3 low */
|
| 826 |
|
|
saawrite(0x02000200, SAA7146_MC1);
|
| 827 |
|
|
/* Turn on the Audio interface so can set PROG low */
|
| 828 |
|
|
saawrite(0x000000c0, SAA7146_ACON1);
|
| 829 |
|
|
/* Pull the Xilinx INIT signal (GPIO2) low */
|
| 830 |
|
|
saawrite(0x00400000, SAA7146_GPIO_CTRL);
|
| 831 |
|
|
/* Make sure everybody resets */
|
| 832 |
|
|
saaread(SAA7146_PSR); /* ensure posted write */
|
| 833 |
|
|
mdelay(10);
|
| 834 |
|
|
/* Release the Xilinx PROG signal */
|
| 835 |
|
|
saawrite(0x00000000, SAA7146_ACON1);
|
| 836 |
|
|
/* Turn off the Audio interface */
|
| 837 |
|
|
saawrite(0x02000000, SAA7146_MC1);
|
| 838 |
|
|
}
|
| 839 |
|
|
/* Release Xilinx INIT signal (WS2) */
|
| 840 |
|
|
saawrite(0x00000000, SAA7146_GPIO_CTRL);
|
| 841 |
|
|
/* Wait for the INIT to go High */
|
| 842 |
|
|
for (i = 0;
|
| 843 |
|
|
i < 10000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2);
|
| 844 |
|
|
i++)
|
| 845 |
|
|
schedule();
|
| 846 |
|
|
if (i == 1000) {
|
| 847 |
|
|
printk(KERN_INFO "stradis%d: no fpga INIT\n", saa->nr);
|
| 848 |
|
|
return -1;
|
| 849 |
|
|
}
|
| 850 |
|
|
send_fpga_stuff:
|
| 851 |
|
|
if (NewCard) {
|
| 852 |
|
|
for (i = startindex; i < bitdata->datasize; i++)
|
| 853 |
|
|
newdma[i - startindex] =
|
| 854 |
|
|
bitmangler[bitdata->data[i]];
|
| 855 |
|
|
debiwrite(saa, 0x01420000, 0, 0,
|
| 856 |
|
|
((bitdata->datasize - startindex) + 5));
|
| 857 |
|
|
if (loadtwo && loadfile == 1) {
|
| 858 |
|
|
printk("stradis%d: awaiting 2nd FPGA bitfile\n",
|
| 859 |
|
|
saa->nr);
|
| 860 |
|
|
continue; /* skip to next card */
|
| 861 |
|
|
}
|
| 862 |
|
|
} else {
|
| 863 |
|
|
for (i = startindex; i < bitdata->datasize; i++)
|
| 864 |
|
|
dmabuf[i - startindex] =
|
| 865 |
|
|
bitmangler[bitdata->data[i]];
|
| 866 |
|
|
debiwrite(saa, 0x014a0000, 0, 0,
|
| 867 |
|
|
((bitdata->datasize - startindex) + 5) * 2);
|
| 868 |
|
|
}
|
| 869 |
|
|
for (i = 0;
|
| 870 |
|
|
i < 1000 && !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2);
|
| 871 |
|
|
i++)
|
| 872 |
|
|
schedule();
|
| 873 |
|
|
if (i == 1000) {
|
| 874 |
|
|
printk(KERN_INFO "stradis%d: FPGA load failed\n",
|
| 875 |
|
|
saa->nr);
|
| 876 |
|
|
failure++;
|
| 877 |
|
|
continue;
|
| 878 |
|
|
}
|
| 879 |
|
|
if (!NewCard) {
|
| 880 |
|
|
/* Pull the Xilinx INIT signal (GPIO2) low */
|
| 881 |
|
|
saawrite(0x00400000, SAA7146_GPIO_CTRL);
|
| 882 |
|
|
saaread(SAA7146_PSR); /* ensure posted write */
|
| 883 |
|
|
mdelay(2);
|
| 884 |
|
|
saawrite(0x00000000, SAA7146_GPIO_CTRL);
|
| 885 |
|
|
mdelay(2);
|
| 886 |
|
|
}
|
| 887 |
|
|
printk(KERN_INFO "stradis%d: FPGA Loaded\n", saa->nr);
|
| 888 |
|
|
saa->boardcfg[0] = 26; /* mark fpga programmed */
|
| 889 |
|
|
/* set VXCO to its lowest frequency */
|
| 890 |
|
|
debiwrite(saa, debNormal, XILINX_PWM, 0, 2);
|
| 891 |
|
|
if (NewCard) {
|
| 892 |
|
|
/* mute CS3310 */
|
| 893 |
|
|
if (HaveCS3310)
|
| 894 |
|
|
debiwrite(saa, debNormal, XILINX_CS3310_CMPLT,
|
| 895 |
|
|
0, 2);
|
| 896 |
|
|
/* set VXCO to PWM mode, release reset, blank on */
|
| 897 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0, 0xffc4, 2);
|
| 898 |
|
|
mdelay(10);
|
| 899 |
|
|
/* unmute CS3310 */
|
| 900 |
|
|
if (HaveCS3310)
|
| 901 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0,
|
| 902 |
|
|
0x2020, 2);
|
| 903 |
|
|
}
|
| 904 |
|
|
/* set source Black */
|
| 905 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2);
|
| 906 |
|
|
saa->boardcfg[4] = 22; /* set NTSC First Active Line */
|
| 907 |
|
|
saa->boardcfg[5] = 23; /* set PAL First Active Line */
|
| 908 |
|
|
saa->boardcfg[54] = 2; /* set NTSC Last Active Line - 256 */
|
| 909 |
|
|
saa->boardcfg[55] = 54; /* set PAL Last Active Line - 256 */
|
| 910 |
|
|
set_out_format(saa, VIDEO_MODE_NTSC);
|
| 911 |
|
|
mdelay(50);
|
| 912 |
|
|
/* begin IBM chip init */
|
| 913 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2);
|
| 914 |
|
|
saaread(SAA7146_PSR); /* wait for reset */
|
| 915 |
|
|
mdelay(5);
|
| 916 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2);
|
| 917 |
|
|
debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2);
|
| 918 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0x10, 2);
|
| 919 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CMD_ADDR, 0, 2);
|
| 920 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2);
|
| 921 |
|
|
if (NewCard) {
|
| 922 |
|
|
mdelay(5);
|
| 923 |
|
|
/* set i2s rate converter to 48KHz */
|
| 924 |
|
|
debiwrite(saa, debNormal, 0x80c0, 6, 2);
|
| 925 |
|
|
/* we must init CS8420 first since rev b pulls i2s */
|
| 926 |
|
|
/* master clock low and CS4341 needs i2s master to */
|
| 927 |
|
|
/* run the i2c port. */
|
| 928 |
|
|
if (HaveCS8420)
|
| 929 |
|
|
/* 0=consumer, 1=pro */
|
| 930 |
|
|
initialize_cs8420(saa, 0);
|
| 931 |
|
|
|
| 932 |
|
|
mdelay(5);
|
| 933 |
|
|
if (HaveCS4341)
|
| 934 |
|
|
initialize_cs4341(saa);
|
| 935 |
|
|
}
|
| 936 |
|
|
debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2);
|
| 937 |
|
|
debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2);
|
| 938 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2);
|
| 939 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2);
|
| 940 |
|
|
if (NewCard)
|
| 941 |
|
|
set_genlock_offset(saa, 0);
|
| 942 |
|
|
debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2);
|
| 943 |
|
|
#if 0
|
| 944 |
|
|
/* enable genlock */
|
| 945 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0, 0x8000, 2);
|
| 946 |
|
|
#else
|
| 947 |
|
|
/* disable genlock */
|
| 948 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0, 0x8080, 2);
|
| 949 |
|
|
#endif
|
| 950 |
|
|
}
|
| 951 |
|
|
|
| 952 |
|
|
return failure;
|
| 953 |
|
|
}
|
| 954 |
|
|
|
| 955 |
|
|
static int do_ibm_reset(struct saa7146 *saa)
|
| 956 |
|
|
{
|
| 957 |
|
|
/* failure if decoder not previously programmed */
|
| 958 |
|
|
if (saa->boardcfg[0] < 37)
|
| 959 |
|
|
return -EIO;
|
| 960 |
|
|
/* mute CS3310 */
|
| 961 |
|
|
if (HaveCS3310)
|
| 962 |
|
|
debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, 0, 2);
|
| 963 |
|
|
/* disable interrupts */
|
| 964 |
|
|
saawrite(0, SAA7146_IER);
|
| 965 |
|
|
saa->audhead = saa->audtail = 0;
|
| 966 |
|
|
saa->vidhead = saa->vidtail = 0;
|
| 967 |
|
|
/* tristate debi bus, disable debi transfers */
|
| 968 |
|
|
saawrite(0x00880000, SAA7146_MC1);
|
| 969 |
|
|
/* ensure posted write */
|
| 970 |
|
|
saaread(SAA7146_MC1);
|
| 971 |
|
|
mdelay(50);
|
| 972 |
|
|
/* re-enable debi transfers */
|
| 973 |
|
|
saawrite(0x00880088, SAA7146_MC1);
|
| 974 |
|
|
/* set source Black */
|
| 975 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2);
|
| 976 |
|
|
/* begin IBM chip init */
|
| 977 |
|
|
set_out_format(saa, CurrentMode);
|
| 978 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2);
|
| 979 |
|
|
saaread(SAA7146_PSR); /* wait for reset */
|
| 980 |
|
|
mdelay(5);
|
| 981 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2);
|
| 982 |
|
|
debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2);
|
| 983 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2);
|
| 984 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2);
|
| 985 |
|
|
if (NewCard) {
|
| 986 |
|
|
mdelay(5);
|
| 987 |
|
|
/* set i2s rate converter to 48KHz */
|
| 988 |
|
|
debiwrite(saa, debNormal, 0x80c0, 6, 2);
|
| 989 |
|
|
/* we must init CS8420 first since rev b pulls i2s */
|
| 990 |
|
|
/* master clock low and CS4341 needs i2s master to */
|
| 991 |
|
|
/* run the i2c port. */
|
| 992 |
|
|
if (HaveCS8420)
|
| 993 |
|
|
/* 0=consumer, 1=pro */
|
| 994 |
|
|
initialize_cs8420(saa, 1);
|
| 995 |
|
|
|
| 996 |
|
|
mdelay(5);
|
| 997 |
|
|
if (HaveCS4341)
|
| 998 |
|
|
initialize_cs4341(saa);
|
| 999 |
|
|
}
|
| 1000 |
|
|
debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2);
|
| 1001 |
|
|
debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2);
|
| 1002 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2);
|
| 1003 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2);
|
| 1004 |
|
|
if (NewCard)
|
| 1005 |
|
|
set_genlock_offset(saa, 0);
|
| 1006 |
|
|
debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2);
|
| 1007 |
|
|
debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2);
|
| 1008 |
|
|
debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2);
|
| 1009 |
|
|
if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER,
|
| 1010 |
|
|
(ChipControl == 0x43 ? 0xe800 : 0xe000), 1)) {
|
| 1011 |
|
|
printk(KERN_ERR "stradis%d: IBM config failed\n", saa->nr);
|
| 1012 |
|
|
}
|
| 1013 |
|
|
if (HaveCS3310) {
|
| 1014 |
|
|
int i = CS3310MaxLvl;
|
| 1015 |
|
|
debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, ((i << 8)| i),2);
|
| 1016 |
|
|
}
|
| 1017 |
|
|
/* start video decoder */
|
| 1018 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2);
|
| 1019 |
|
|
/* 256k vid, 3520 bytes aud */
|
| 1020 |
|
|
debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, 2);
|
| 1021 |
|
|
debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2);
|
| 1022 |
|
|
ibm_send_command(saa, IBM_MP2_PLAY, 0, 0);
|
| 1023 |
|
|
/* enable buffer threshold irq */
|
| 1024 |
|
|
debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2);
|
| 1025 |
|
|
/* clear pending interrupts */
|
| 1026 |
|
|
debiread(saa, debNormal, IBM_MP2_HOST_INT, 2);
|
| 1027 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2);
|
| 1028 |
|
|
|
| 1029 |
|
|
return 0;
|
| 1030 |
|
|
}
|
| 1031 |
|
|
|
| 1032 |
|
|
/* load the decoder microcode */
|
| 1033 |
|
|
static int initialize_ibmmpeg2(struct video_code *microcode)
|
| 1034 |
|
|
{
|
| 1035 |
|
|
int i, num;
|
| 1036 |
|
|
struct saa7146 *saa;
|
| 1037 |
|
|
|
| 1038 |
|
|
for (num = 0; num < saa_num; num++) {
|
| 1039 |
|
|
saa = &saa7146s[num];
|
| 1040 |
|
|
/* check that FPGA is loaded */
|
| 1041 |
|
|
debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0xa55a, 2);
|
| 1042 |
|
|
i = debiread(saa, debNormal, IBM_MP2_OSD_SIZE, 2);
|
| 1043 |
|
|
if (i != 0xa55a) {
|
| 1044 |
|
|
printk(KERN_INFO "stradis%d: %04x != 0xa55a\n",
|
| 1045 |
|
|
saa->nr, i);
|
| 1046 |
|
|
#if 0
|
| 1047 |
|
|
return -1;
|
| 1048 |
|
|
#endif
|
| 1049 |
|
|
}
|
| 1050 |
|
|
if (!strncmp(microcode->loadwhat, "decoder.vid", 11)) {
|
| 1051 |
|
|
if (saa->boardcfg[0] > 27)
|
| 1052 |
|
|
continue; /* skip to next card */
|
| 1053 |
|
|
/* load video control store */
|
| 1054 |
|
|
saa->boardcfg[1] = 0x13; /* no-sync default */
|
| 1055 |
|
|
debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2);
|
| 1056 |
|
|
debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2);
|
| 1057 |
|
|
for (i = 0; i < microcode->datasize / 2; i++)
|
| 1058 |
|
|
debiwrite(saa, debNormal, IBM_MP2_PROC_IDATA,
|
| 1059 |
|
|
(microcode->data[i * 2] << 8) |
|
| 1060 |
|
|
microcode->data[i * 2 + 1], 2);
|
| 1061 |
|
|
debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2);
|
| 1062 |
|
|
debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2);
|
| 1063 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL,
|
| 1064 |
|
|
ChipControl, 2);
|
| 1065 |
|
|
saa->boardcfg[0] = 28;
|
| 1066 |
|
|
}
|
| 1067 |
|
|
if (!strncmp(microcode->loadwhat, "decoder.aud", 11)) {
|
| 1068 |
|
|
if (saa->boardcfg[0] > 35)
|
| 1069 |
|
|
continue; /* skip to next card */
|
| 1070 |
|
|
/* load audio control store */
|
| 1071 |
|
|
debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2);
|
| 1072 |
|
|
debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2);
|
| 1073 |
|
|
for (i = 0; i < microcode->datasize; i++)
|
| 1074 |
|
|
debiwrite(saa, debNormal, IBM_MP2_AUD_IDATA,
|
| 1075 |
|
|
microcode->data[i], 1);
|
| 1076 |
|
|
debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2);
|
| 1077 |
|
|
debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2);
|
| 1078 |
|
|
debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2);
|
| 1079 |
|
|
debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2);
|
| 1080 |
|
|
if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER,
|
| 1081 |
|
|
0xe000, 1)) {
|
| 1082 |
|
|
printk(KERN_ERR "stradis%d: IBM config "
|
| 1083 |
|
|
"failed\n", saa->nr);
|
| 1084 |
|
|
return -1;
|
| 1085 |
|
|
}
|
| 1086 |
|
|
/* set PWM to center value */
|
| 1087 |
|
|
if (NewCard) {
|
| 1088 |
|
|
debiwrite(saa, debNormal, XILINX_PWM,
|
| 1089 |
|
|
saa->boardcfg[14] +
|
| 1090 |
|
|
(saa->boardcfg[13] << 8), 2);
|
| 1091 |
|
|
} else
|
| 1092 |
|
|
debiwrite(saa, debNormal, XILINX_PWM, 0x46, 2);
|
| 1093 |
|
|
|
| 1094 |
|
|
if (HaveCS3310) {
|
| 1095 |
|
|
i = CS3310MaxLvl;
|
| 1096 |
|
|
debiwrite(saa, debNormal, XILINX_CS3310_CMPLT,
|
| 1097 |
|
|
(i << 8) | i, 2);
|
| 1098 |
|
|
}
|
| 1099 |
|
|
printk(KERN_INFO "stradis%d: IBM MPEGCD%d Inited\n",
|
| 1100 |
|
|
saa->nr, 18 + (debiread(saa, debNormal,
|
| 1101 |
|
|
IBM_MP2_CHIP_CONTROL, 2) >> 12));
|
| 1102 |
|
|
/* start video decoder */
|
| 1103 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL,
|
| 1104 |
|
|
ChipControl, 2);
|
| 1105 |
|
|
debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037,
|
| 1106 |
|
|
2); /* 256k vid, 3520 bytes aud */
|
| 1107 |
|
|
debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2);
|
| 1108 |
|
|
ibm_send_command(saa, IBM_MP2_PLAY, 0, 0);
|
| 1109 |
|
|
/* enable buffer threshold irq */
|
| 1110 |
|
|
debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2);
|
| 1111 |
|
|
debiread(saa, debNormal, IBM_MP2_HOST_INT, 2);
|
| 1112 |
|
|
/* enable gpio irq */
|
| 1113 |
|
|
saawrite(0x00002000, SAA7146_GPIO_CTRL);
|
| 1114 |
|
|
/* enable decoder output to HPS */
|
| 1115 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2);
|
| 1116 |
|
|
saa->boardcfg[0] = 37;
|
| 1117 |
|
|
}
|
| 1118 |
|
|
}
|
| 1119 |
|
|
|
| 1120 |
|
|
return 0;
|
| 1121 |
|
|
}
|
| 1122 |
|
|
|
| 1123 |
|
|
static u32 palette2fmt[] = { /* some of these YUV translations are wrong */
|
| 1124 |
|
|
0xffffffff, 0x86000000, 0x87000000, 0x80000000, 0x8100000, 0x82000000,
|
| 1125 |
|
|
0x83000000, 0x00000000, 0x03000000, 0x03000000, 0x0a00000, 0x03000000,
|
| 1126 |
|
|
0x06000000, 0x00000000, 0x03000000, 0x0a000000, 0x0300000
|
| 1127 |
|
|
};
|
| 1128 |
|
|
static int bpp2fmt[4] = {
|
| 1129 |
|
|
VIDEO_PALETTE_HI240, VIDEO_PALETTE_RGB565, VIDEO_PALETTE_RGB24,
|
| 1130 |
|
|
VIDEO_PALETTE_RGB32
|
| 1131 |
|
|
};
|
| 1132 |
|
|
|
| 1133 |
|
|
/* I wish I could find a formula to calculate these... */
|
| 1134 |
|
|
static u32 h_prescale[64] = {
|
| 1135 |
|
|
0x10000000, 0x18040202, 0x18080000, 0x380c0606, 0x38100204, 0x38140808,
|
| 1136 |
|
|
0x38180000, 0x381c0000, 0x3820161c, 0x38242a3b, 0x38281230, 0x382c4460,
|
| 1137 |
|
|
0x38301040, 0x38340080, 0x38380000, 0x383c0000, 0x3840fefe, 0x3844ee9f,
|
| 1138 |
|
|
0x3848ee9f, 0x384cee9f, 0x3850ee9f, 0x38542a3b, 0x38581230, 0x385c0000,
|
| 1139 |
|
|
0x38600000, 0x38640000, 0x38680000, 0x386c0000, 0x38700000, 0x38740000,
|
| 1140 |
|
|
0x38780000, 0x387c0000, 0x30800000, 0x38840000, 0x38880000, 0x388c0000,
|
| 1141 |
|
|
0x38900000, 0x38940000, 0x38980000, 0x389c0000, 0x38a00000, 0x38a40000,
|
| 1142 |
|
|
0x38a80000, 0x38ac0000, 0x38b00000, 0x38b40000, 0x38b80000, 0x38bc0000,
|
| 1143 |
|
|
0x38c00000, 0x38c40000, 0x38c80000, 0x38cc0000, 0x38d00000, 0x38d40000,
|
| 1144 |
|
|
0x38d80000, 0x38dc0000, 0x38e00000, 0x38e40000, 0x38e80000, 0x38ec0000,
|
| 1145 |
|
|
0x38f00000, 0x38f40000, 0x38f80000, 0x38fc0000,
|
| 1146 |
|
|
};
|
| 1147 |
|
|
static u32 v_gain[64] = {
|
| 1148 |
|
|
0x016000ff, 0x016100ff, 0x016100ff, 0x016200ff, 0x016200ff, 0x016200ff,
|
| 1149 |
|
|
0x016200ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff,
|
| 1150 |
|
|
0x016300ff, 0x016300ff, 0x016300ff, 0x016400ff, 0x016400ff, 0x016400ff,
|
| 1151 |
|
|
0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
|
| 1152 |
|
|
0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
|
| 1153 |
|
|
0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
|
| 1154 |
|
|
0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
|
| 1155 |
|
|
0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
|
| 1156 |
|
|
0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
|
| 1157 |
|
|
0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
|
| 1158 |
|
|
0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
|
| 1159 |
|
|
};
|
| 1160 |
|
|
|
| 1161 |
|
|
static void saa7146_set_winsize(struct saa7146 *saa)
|
| 1162 |
|
|
{
|
| 1163 |
|
|
u32 format;
|
| 1164 |
|
|
int offset, yacl, ysci;
|
| 1165 |
|
|
saa->win.color_fmt = format =
|
| 1166 |
|
|
(saa->win.depth == 15) ? palette2fmt[VIDEO_PALETTE_RGB555] :
|
| 1167 |
|
|
palette2fmt[bpp2fmt[(saa->win.bpp - 1) & 3]];
|
| 1168 |
|
|
offset = saa->win.x * saa->win.bpp + saa->win.y * saa->win.bpl;
|
| 1169 |
|
|
saawrite(saa->win.vidadr + offset, SAA7146_BASE_EVEN1);
|
| 1170 |
|
|
saawrite(saa->win.vidadr + offset + saa->win.bpl, SAA7146_BASE_ODD1);
|
| 1171 |
|
|
saawrite(saa->win.bpl * 2, SAA7146_PITCH1);
|
| 1172 |
|
|
saawrite(saa->win.vidadr + saa->win.bpl * saa->win.sheight,
|
| 1173 |
|
|
SAA7146_PROT_ADDR1);
|
| 1174 |
|
|
saawrite(0, SAA7146_PAGE1);
|
| 1175 |
|
|
saawrite(format | 0x60, SAA7146_CLIP_FORMAT_CTRL);
|
| 1176 |
|
|
offset = (704 / (saa->win.width - 1)) & 0x3f;
|
| 1177 |
|
|
saawrite(h_prescale[offset], SAA7146_HPS_H_PRESCALE);
|
| 1178 |
|
|
offset = (720896 / saa->win.width) / (offset + 1);
|
| 1179 |
|
|
saawrite((offset << 12) | 0x0c, SAA7146_HPS_H_SCALE);
|
| 1180 |
|
|
if (CurrentMode == VIDEO_MODE_NTSC) {
|
| 1181 |
|
|
yacl = /*(480 / saa->win.height - 1) & 0x3f */ 0;
|
| 1182 |
|
|
ysci = 1024 - (saa->win.height * 1024 / 480);
|
| 1183 |
|
|
} else {
|
| 1184 |
|
|
yacl = /*(576 / saa->win.height - 1) & 0x3f */ 0;
|
| 1185 |
|
|
ysci = 1024 - (saa->win.height * 1024 / 576);
|
| 1186 |
|
|
}
|
| 1187 |
|
|
saawrite((1 << 31) | (ysci << 21) | (yacl << 15), SAA7146_HPS_V_SCALE);
|
| 1188 |
|
|
saawrite(v_gain[yacl], SAA7146_HPS_V_GAIN);
|
| 1189 |
|
|
saawrite(((SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_HPS_V |
|
| 1190 |
|
|
SAA7146_MC2_UPLD_HPS_H) << 16) | (SAA7146_MC2_UPLD_DMA1 |
|
| 1191 |
|
|
SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_HPS_H), SAA7146_MC2);
|
| 1192 |
|
|
}
|
| 1193 |
|
|
|
| 1194 |
|
|
/* clip_draw_rectangle(cm,x,y,w,h) -- handle clipping an area
|
| 1195 |
|
|
* bitmap is fixed width, 128 bytes (1024 pixels represented)
|
| 1196 |
|
|
* arranged most-sigificant-bit-left in 32-bit words
|
| 1197 |
|
|
* based on saa7146 clipping hardware, it swaps bytes if LE
|
| 1198 |
|
|
* much of this makes up for egcs brain damage -- so if you
|
| 1199 |
|
|
* are wondering "why did he do this?" it is because the C
|
| 1200 |
|
|
* was adjusted to generate the optimal asm output without
|
| 1201 |
|
|
* writing non-portable __asm__ directives.
|
| 1202 |
|
|
*/
|
| 1203 |
|
|
|
| 1204 |
|
|
static void clip_draw_rectangle(u32 *clipmap, int x, int y, int w, int h)
|
| 1205 |
|
|
{
|
| 1206 |
|
|
register int startword, endword;
|
| 1207 |
|
|
register u32 bitsleft, bitsright;
|
| 1208 |
|
|
u32 *temp;
|
| 1209 |
|
|
if (x < 0) {
|
| 1210 |
|
|
w += x;
|
| 1211 |
|
|
x = 0;
|
| 1212 |
|
|
}
|
| 1213 |
|
|
if (y < 0) {
|
| 1214 |
|
|
h += y;
|
| 1215 |
|
|
y = 0;
|
| 1216 |
|
|
}
|
| 1217 |
|
|
if (w <= 0 || h <= 0 || x > 1023 || y > 639)
|
| 1218 |
|
|
return; /* throw away bad clips */
|
| 1219 |
|
|
if (x + w > 1024)
|
| 1220 |
|
|
w = 1024 - x;
|
| 1221 |
|
|
if (y + h > 640)
|
| 1222 |
|
|
h = 640 - y;
|
| 1223 |
|
|
startword = (x >> 5);
|
| 1224 |
|
|
endword = ((x + w) >> 5);
|
| 1225 |
|
|
bitsleft = (0xffffffff >> (x & 31));
|
| 1226 |
|
|
bitsright = (0xffffffff << (~((x + w) - (endword << 5))));
|
| 1227 |
|
|
temp = &clipmap[(y << 5) + startword];
|
| 1228 |
|
|
w = endword - startword;
|
| 1229 |
|
|
if (!w) {
|
| 1230 |
|
|
bitsleft |= bitsright;
|
| 1231 |
|
|
for (y = 0; y < h; y++) {
|
| 1232 |
|
|
*temp |= bitsleft;
|
| 1233 |
|
|
temp += 32;
|
| 1234 |
|
|
}
|
| 1235 |
|
|
} else {
|
| 1236 |
|
|
for (y = 0; y < h; y++) {
|
| 1237 |
|
|
*temp++ |= bitsleft;
|
| 1238 |
|
|
for (x = 1; x < w; x++)
|
| 1239 |
|
|
*temp++ = 0xffffffff;
|
| 1240 |
|
|
*temp |= bitsright;
|
| 1241 |
|
|
temp += (32 - w);
|
| 1242 |
|
|
}
|
| 1243 |
|
|
}
|
| 1244 |
|
|
}
|
| 1245 |
|
|
|
| 1246 |
|
|
static void make_clip_tab(struct saa7146 *saa, struct video_clip *cr, int ncr)
|
| 1247 |
|
|
{
|
| 1248 |
|
|
int i, width, height;
|
| 1249 |
|
|
u32 *clipmap;
|
| 1250 |
|
|
|
| 1251 |
|
|
clipmap = saa->dmavid2;
|
| 1252 |
|
|
if ((width = saa->win.width) > 1023)
|
| 1253 |
|
|
width = 1023; /* sanity check */
|
| 1254 |
|
|
if ((height = saa->win.height) > 640)
|
| 1255 |
|
|
height = 639; /* sanity check */
|
| 1256 |
|
|
if (ncr > 0) { /* rectangles pased */
|
| 1257 |
|
|
/* convert rectangular clips to a bitmap */
|
| 1258 |
|
|
memset(clipmap, 0, VIDEO_CLIPMAP_SIZE); /* clear map */
|
| 1259 |
|
|
for (i = 0; i < ncr; i++)
|
| 1260 |
|
|
clip_draw_rectangle(clipmap, cr[i].x, cr[i].y,
|
| 1261 |
|
|
cr[i].width, cr[i].height);
|
| 1262 |
|
|
}
|
| 1263 |
|
|
/* clip against viewing window AND screen
|
| 1264 |
|
|
so we do not have to rely on the user program
|
| 1265 |
|
|
*/
|
| 1266 |
|
|
clip_draw_rectangle(clipmap, (saa->win.x + width > saa->win.swidth) ?
|
| 1267 |
|
|
(saa->win.swidth - saa->win.x) : width, 0, 1024, 768);
|
| 1268 |
|
|
clip_draw_rectangle(clipmap, 0,
|
| 1269 |
|
|
(saa->win.y + height > saa->win.sheight) ?
|
| 1270 |
|
|
(saa->win.sheight - saa->win.y) : height, 1024, 768);
|
| 1271 |
|
|
if (saa->win.x < 0)
|
| 1272 |
|
|
clip_draw_rectangle(clipmap, 0, 0, -saa->win.x, 768);
|
| 1273 |
|
|
if (saa->win.y < 0)
|
| 1274 |
|
|
clip_draw_rectangle(clipmap, 0, 0, 1024, -saa->win.y);
|
| 1275 |
|
|
}
|
| 1276 |
|
|
|
| 1277 |
|
|
static int saa_ioctl(struct inode *inode, struct file *file,
|
| 1278 |
|
|
unsigned int cmd, unsigned long argl)
|
| 1279 |
|
|
{
|
| 1280 |
|
|
struct saa7146 *saa = file->private_data;
|
| 1281 |
|
|
void __user *arg = (void __user *)argl;
|
| 1282 |
|
|
|
| 1283 |
|
|
switch (cmd) {
|
| 1284 |
|
|
case VIDIOCGCAP:
|
| 1285 |
|
|
{
|
| 1286 |
|
|
struct video_capability b;
|
| 1287 |
|
|
strcpy(b.name, saa->video_dev.name);
|
| 1288 |
|
|
b.type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY |
|
| 1289 |
|
|
VID_TYPE_CLIPPING | VID_TYPE_FRAMERAM |
|
| 1290 |
|
|
VID_TYPE_SCALES;
|
| 1291 |
|
|
b.channels = 1;
|
| 1292 |
|
|
b.audios = 1;
|
| 1293 |
|
|
b.maxwidth = 768;
|
| 1294 |
|
|
b.maxheight = 576;
|
| 1295 |
|
|
b.minwidth = 32;
|
| 1296 |
|
|
b.minheight = 32;
|
| 1297 |
|
|
if (copy_to_user(arg, &b, sizeof(b)))
|
| 1298 |
|
|
return -EFAULT;
|
| 1299 |
|
|
return 0;
|
| 1300 |
|
|
}
|
| 1301 |
|
|
case VIDIOCGPICT:
|
| 1302 |
|
|
{
|
| 1303 |
|
|
struct video_picture p = saa->picture;
|
| 1304 |
|
|
if (saa->win.depth == 8)
|
| 1305 |
|
|
p.palette = VIDEO_PALETTE_HI240;
|
| 1306 |
|
|
if (saa->win.depth == 15)
|
| 1307 |
|
|
p.palette = VIDEO_PALETTE_RGB555;
|
| 1308 |
|
|
if (saa->win.depth == 16)
|
| 1309 |
|
|
p.palette = VIDEO_PALETTE_RGB565;
|
| 1310 |
|
|
if (saa->win.depth == 24)
|
| 1311 |
|
|
p.palette = VIDEO_PALETTE_RGB24;
|
| 1312 |
|
|
if (saa->win.depth == 32)
|
| 1313 |
|
|
p.palette = VIDEO_PALETTE_RGB32;
|
| 1314 |
|
|
if (copy_to_user(arg, &p, sizeof(p)))
|
| 1315 |
|
|
return -EFAULT;
|
| 1316 |
|
|
return 0;
|
| 1317 |
|
|
}
|
| 1318 |
|
|
case VIDIOCSPICT:
|
| 1319 |
|
|
{
|
| 1320 |
|
|
struct video_picture p;
|
| 1321 |
|
|
u32 format;
|
| 1322 |
|
|
if (copy_from_user(&p, arg, sizeof(p)))
|
| 1323 |
|
|
return -EFAULT;
|
| 1324 |
|
|
if (p.palette < ARRAY_SIZE(palette2fmt)) {
|
| 1325 |
|
|
format = palette2fmt[p.palette];
|
| 1326 |
|
|
saa->win.color_fmt = format;
|
| 1327 |
|
|
saawrite(format | 0x60,
|
| 1328 |
|
|
SAA7146_CLIP_FORMAT_CTRL);
|
| 1329 |
|
|
}
|
| 1330 |
|
|
saawrite(((p.brightness & 0xff00) << 16) |
|
| 1331 |
|
|
((p.contrast & 0xfe00) << 7) |
|
| 1332 |
|
|
((p.colour & 0xfe00) >> 9), SAA7146_BCS_CTRL);
|
| 1333 |
|
|
saa->picture = p;
|
| 1334 |
|
|
/* upload changed registers */
|
| 1335 |
|
|
saawrite(((SAA7146_MC2_UPLD_HPS_H |
|
| 1336 |
|
|
SAA7146_MC2_UPLD_HPS_V) << 16) |
|
| 1337 |
|
|
SAA7146_MC2_UPLD_HPS_H |
|
| 1338 |
|
|
SAA7146_MC2_UPLD_HPS_V, SAA7146_MC2);
|
| 1339 |
|
|
return 0;
|
| 1340 |
|
|
}
|
| 1341 |
|
|
case VIDIOCSWIN:
|
| 1342 |
|
|
{
|
| 1343 |
|
|
struct video_window vw;
|
| 1344 |
|
|
struct video_clip *vcp = NULL;
|
| 1345 |
|
|
|
| 1346 |
|
|
if (copy_from_user(&vw, arg, sizeof(vw)))
|
| 1347 |
|
|
return -EFAULT;
|
| 1348 |
|
|
|
| 1349 |
|
|
/* stop capture */
|
| 1350 |
|
|
if (vw.flags || vw.width < 16 || vw.height < 16) {
|
| 1351 |
|
|
saawrite((SAA7146_MC1_TR_E_1 << 16),
|
| 1352 |
|
|
SAA7146_MC1);
|
| 1353 |
|
|
return -EINVAL;
|
| 1354 |
|
|
}
|
| 1355 |
|
|
/* 32-bit align start and adjust width */
|
| 1356 |
|
|
if (saa->win.bpp < 4) {
|
| 1357 |
|
|
int i = vw.x;
|
| 1358 |
|
|
vw.x = (vw.x + 3) & ~3;
|
| 1359 |
|
|
i = vw.x - i;
|
| 1360 |
|
|
vw.width -= i;
|
| 1361 |
|
|
}
|
| 1362 |
|
|
saa->win.x = vw.x;
|
| 1363 |
|
|
saa->win.y = vw.y;
|
| 1364 |
|
|
saa->win.width = vw.width;
|
| 1365 |
|
|
if (saa->win.width > 768)
|
| 1366 |
|
|
saa->win.width = 768;
|
| 1367 |
|
|
saa->win.height = vw.height;
|
| 1368 |
|
|
if (CurrentMode == VIDEO_MODE_NTSC) {
|
| 1369 |
|
|
if (saa->win.height > 480)
|
| 1370 |
|
|
saa->win.height = 480;
|
| 1371 |
|
|
} else {
|
| 1372 |
|
|
if (saa->win.height > 576)
|
| 1373 |
|
|
saa->win.height = 576;
|
| 1374 |
|
|
}
|
| 1375 |
|
|
|
| 1376 |
|
|
/* stop capture */
|
| 1377 |
|
|
saawrite((SAA7146_MC1_TR_E_1 << 16), SAA7146_MC1);
|
| 1378 |
|
|
saa7146_set_winsize(saa);
|
| 1379 |
|
|
|
| 1380 |
|
|
/*
|
| 1381 |
|
|
* Do any clips.
|
| 1382 |
|
|
*/
|
| 1383 |
|
|
if (vw.clipcount < 0) {
|
| 1384 |
|
|
if (copy_from_user(saa->dmavid2, vw.clips,
|
| 1385 |
|
|
VIDEO_CLIPMAP_SIZE))
|
| 1386 |
|
|
return -EFAULT;
|
| 1387 |
|
|
} else if (vw.clipcount > 16384) {
|
| 1388 |
|
|
return -EINVAL;
|
| 1389 |
|
|
} else if (vw.clipcount > 0) {
|
| 1390 |
|
|
vcp = vmalloc(sizeof(struct video_clip) *
|
| 1391 |
|
|
vw.clipcount);
|
| 1392 |
|
|
if (vcp == NULL)
|
| 1393 |
|
|
return -ENOMEM;
|
| 1394 |
|
|
if (copy_from_user(vcp, vw.clips,
|
| 1395 |
|
|
sizeof(struct video_clip) *
|
| 1396 |
|
|
vw.clipcount)) {
|
| 1397 |
|
|
vfree(vcp);
|
| 1398 |
|
|
return -EFAULT;
|
| 1399 |
|
|
}
|
| 1400 |
|
|
} else /* nothing clipped */
|
| 1401 |
|
|
memset(saa->dmavid2, 0, VIDEO_CLIPMAP_SIZE);
|
| 1402 |
|
|
|
| 1403 |
|
|
make_clip_tab(saa, vcp, vw.clipcount);
|
| 1404 |
|
|
if (vw.clipcount > 0)
|
| 1405 |
|
|
vfree(vcp);
|
| 1406 |
|
|
|
| 1407 |
|
|
/* start capture & clip dma if we have an address */
|
| 1408 |
|
|
if ((saa->cap & 3) && saa->win.vidadr != 0)
|
| 1409 |
|
|
saawrite(((SAA7146_MC1_TR_E_1 |
|
| 1410 |
|
|
SAA7146_MC1_TR_E_2) << 16) | 0xffff,
|
| 1411 |
|
|
SAA7146_MC1);
|
| 1412 |
|
|
return 0;
|
| 1413 |
|
|
}
|
| 1414 |
|
|
case VIDIOCGWIN:
|
| 1415 |
|
|
{
|
| 1416 |
|
|
struct video_window vw;
|
| 1417 |
|
|
vw.x = saa->win.x;
|
| 1418 |
|
|
vw.y = saa->win.y;
|
| 1419 |
|
|
vw.width = saa->win.width;
|
| 1420 |
|
|
vw.height = saa->win.height;
|
| 1421 |
|
|
vw.chromakey = 0;
|
| 1422 |
|
|
vw.flags = 0;
|
| 1423 |
|
|
if (copy_to_user(arg, &vw, sizeof(vw)))
|
| 1424 |
|
|
return -EFAULT;
|
| 1425 |
|
|
return 0;
|
| 1426 |
|
|
}
|
| 1427 |
|
|
case VIDIOCCAPTURE:
|
| 1428 |
|
|
{
|
| 1429 |
|
|
int v;
|
| 1430 |
|
|
if (copy_from_user(&v, arg, sizeof(v)))
|
| 1431 |
|
|
return -EFAULT;
|
| 1432 |
|
|
if (v == 0) {
|
| 1433 |
|
|
saa->cap &= ~1;
|
| 1434 |
|
|
saawrite((SAA7146_MC1_TR_E_1 << 16),
|
| 1435 |
|
|
SAA7146_MC1);
|
| 1436 |
|
|
} else {
|
| 1437 |
|
|
if (saa->win.vidadr == 0 || saa->win.width == 0
|
| 1438 |
|
|
|| saa->win.height == 0)
|
| 1439 |
|
|
return -EINVAL;
|
| 1440 |
|
|
saa->cap |= 1;
|
| 1441 |
|
|
saawrite((SAA7146_MC1_TR_E_1 << 16) | 0xffff,
|
| 1442 |
|
|
SAA7146_MC1);
|
| 1443 |
|
|
}
|
| 1444 |
|
|
return 0;
|
| 1445 |
|
|
}
|
| 1446 |
|
|
case VIDIOCGFBUF:
|
| 1447 |
|
|
{
|
| 1448 |
|
|
struct video_buffer v;
|
| 1449 |
|
|
v.base = (void *)saa->win.vidadr;
|
| 1450 |
|
|
v.height = saa->win.sheight;
|
| 1451 |
|
|
v.width = saa->win.swidth;
|
| 1452 |
|
|
v.depth = saa->win.depth;
|
| 1453 |
|
|
v.bytesperline = saa->win.bpl;
|
| 1454 |
|
|
if (copy_to_user(arg, &v, sizeof(v)))
|
| 1455 |
|
|
return -EFAULT;
|
| 1456 |
|
|
return 0;
|
| 1457 |
|
|
|
| 1458 |
|
|
}
|
| 1459 |
|
|
case VIDIOCSFBUF:
|
| 1460 |
|
|
{
|
| 1461 |
|
|
struct video_buffer v;
|
| 1462 |
|
|
if (!capable(CAP_SYS_ADMIN))
|
| 1463 |
|
|
return -EPERM;
|
| 1464 |
|
|
if (copy_from_user(&v, arg, sizeof(v)))
|
| 1465 |
|
|
return -EFAULT;
|
| 1466 |
|
|
if (v.depth != 8 && v.depth != 15 && v.depth != 16 &&
|
| 1467 |
|
|
v.depth != 24 && v.depth != 32 && v.width > 16 &&
|
| 1468 |
|
|
v.height > 16 && v.bytesperline > 16)
|
| 1469 |
|
|
return -EINVAL;
|
| 1470 |
|
|
if (v.base)
|
| 1471 |
|
|
saa->win.vidadr = (unsigned long)v.base;
|
| 1472 |
|
|
saa->win.sheight = v.height;
|
| 1473 |
|
|
saa->win.swidth = v.width;
|
| 1474 |
|
|
saa->win.bpp = ((v.depth + 7) & 0x38) / 8;
|
| 1475 |
|
|
saa->win.depth = v.depth;
|
| 1476 |
|
|
saa->win.bpl = v.bytesperline;
|
| 1477 |
|
|
|
| 1478 |
|
|
DEBUG(printk("Display at %p is %d by %d, bytedepth %d, "
|
| 1479 |
|
|
"bpl %d\n", v.base, v.width, v.height,
|
| 1480 |
|
|
saa->win.bpp, saa->win.bpl));
|
| 1481 |
|
|
saa7146_set_winsize(saa);
|
| 1482 |
|
|
return 0;
|
| 1483 |
|
|
}
|
| 1484 |
|
|
case VIDIOCKEY:
|
| 1485 |
|
|
{
|
| 1486 |
|
|
/* Will be handled higher up .. */
|
| 1487 |
|
|
return 0;
|
| 1488 |
|
|
}
|
| 1489 |
|
|
|
| 1490 |
|
|
case VIDIOCGAUDIO:
|
| 1491 |
|
|
{
|
| 1492 |
|
|
struct video_audio v;
|
| 1493 |
|
|
v = saa->audio_dev;
|
| 1494 |
|
|
v.flags &= ~(VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE);
|
| 1495 |
|
|
v.flags |= VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME;
|
| 1496 |
|
|
strcpy(v.name, "MPEG");
|
| 1497 |
|
|
v.mode = VIDEO_SOUND_STEREO;
|
| 1498 |
|
|
if (copy_to_user(arg, &v, sizeof(v)))
|
| 1499 |
|
|
return -EFAULT;
|
| 1500 |
|
|
return 0;
|
| 1501 |
|
|
}
|
| 1502 |
|
|
case VIDIOCSAUDIO:
|
| 1503 |
|
|
{
|
| 1504 |
|
|
struct video_audio v;
|
| 1505 |
|
|
int i;
|
| 1506 |
|
|
if (copy_from_user(&v, arg, sizeof(v)))
|
| 1507 |
|
|
return -EFAULT;
|
| 1508 |
|
|
i = (~(v.volume >> 8)) & 0xff;
|
| 1509 |
|
|
if (!HaveCS4341) {
|
| 1510 |
|
|
if (v.flags & VIDEO_AUDIO_MUTE)
|
| 1511 |
|
|
debiwrite(saa, debNormal,
|
| 1512 |
|
|
IBM_MP2_FRNT_ATTEN, 0xffff, 2);
|
| 1513 |
|
|
if (!(v.flags & VIDEO_AUDIO_MUTE))
|
| 1514 |
|
|
debiwrite(saa, debNormal,
|
| 1515 |
|
|
IBM_MP2_FRNT_ATTEN, 0x0000, 2);
|
| 1516 |
|
|
if (v.flags & VIDEO_AUDIO_VOLUME)
|
| 1517 |
|
|
debiwrite(saa, debNormal,
|
| 1518 |
|
|
IBM_MP2_FRNT_ATTEN,
|
| 1519 |
|
|
(i << 8) | i, 2);
|
| 1520 |
|
|
} else {
|
| 1521 |
|
|
if (v.flags & VIDEO_AUDIO_MUTE)
|
| 1522 |
|
|
cs4341_setlevel(saa, 0xff, 0xff);
|
| 1523 |
|
|
if (!(v.flags & VIDEO_AUDIO_MUTE))
|
| 1524 |
|
|
cs4341_setlevel(saa, 0, 0);
|
| 1525 |
|
|
if (v.flags & VIDEO_AUDIO_VOLUME)
|
| 1526 |
|
|
cs4341_setlevel(saa, i, i);
|
| 1527 |
|
|
}
|
| 1528 |
|
|
saa->audio_dev = v;
|
| 1529 |
|
|
return 0;
|
| 1530 |
|
|
}
|
| 1531 |
|
|
|
| 1532 |
|
|
case VIDIOCGUNIT:
|
| 1533 |
|
|
{
|
| 1534 |
|
|
struct video_unit vu;
|
| 1535 |
|
|
vu.video = saa->video_dev.minor;
|
| 1536 |
|
|
vu.vbi = VIDEO_NO_UNIT;
|
| 1537 |
|
|
vu.radio = VIDEO_NO_UNIT;
|
| 1538 |
|
|
vu.audio = VIDEO_NO_UNIT;
|
| 1539 |
|
|
vu.teletext = VIDEO_NO_UNIT;
|
| 1540 |
|
|
if (copy_to_user(arg, &vu, sizeof(vu)))
|
| 1541 |
|
|
return -EFAULT;
|
| 1542 |
|
|
return 0;
|
| 1543 |
|
|
}
|
| 1544 |
|
|
case VIDIOCSPLAYMODE:
|
| 1545 |
|
|
{
|
| 1546 |
|
|
struct video_play_mode pmode;
|
| 1547 |
|
|
if (copy_from_user((void *)&pmode, arg,
|
| 1548 |
|
|
sizeof(struct video_play_mode)))
|
| 1549 |
|
|
return -EFAULT;
|
| 1550 |
|
|
switch (pmode.mode) {
|
| 1551 |
|
|
case VID_PLAY_VID_OUT_MODE:
|
| 1552 |
|
|
if (pmode.p1 != VIDEO_MODE_NTSC &&
|
| 1553 |
|
|
pmode.p1 != VIDEO_MODE_PAL)
|
| 1554 |
|
|
return -EINVAL;
|
| 1555 |
|
|
set_out_format(saa, pmode.p1);
|
| 1556 |
|
|
return 0;
|
| 1557 |
|
|
case VID_PLAY_GENLOCK:
|
| 1558 |
|
|
debiwrite(saa, debNormal, XILINX_CTL0,
|
| 1559 |
|
|
pmode.p1 ? 0x8000 : 0x8080, 2);
|
| 1560 |
|
|
if (NewCard)
|
| 1561 |
|
|
set_genlock_offset(saa, pmode.p2);
|
| 1562 |
|
|
return 0;
|
| 1563 |
|
|
case VID_PLAY_NORMAL:
|
| 1564 |
|
|
debiwrite(saa, debNormal,
|
| 1565 |
|
|
IBM_MP2_CHIP_CONTROL, ChipControl, 2);
|
| 1566 |
|
|
ibm_send_command(saa, IBM_MP2_PLAY, 0, 0);
|
| 1567 |
|
|
saa->playmode = pmode.mode;
|
| 1568 |
|
|
return 0;
|
| 1569 |
|
|
case VID_PLAY_PAUSE:
|
| 1570 |
|
|
/* IBM removed the PAUSE command */
|
| 1571 |
|
|
/* they say use SINGLE_FRAME now */
|
| 1572 |
|
|
case VID_PLAY_SINGLE_FRAME:
|
| 1573 |
|
|
ibm_send_command(saa, IBM_MP2_SINGLE_FRAME,0,0);
|
| 1574 |
|
|
if (saa->playmode == pmode.mode) {
|
| 1575 |
|
|
debiwrite(saa, debNormal,
|
| 1576 |
|
|
IBM_MP2_CHIP_CONTROL,
|
| 1577 |
|
|
ChipControl, 2);
|
| 1578 |
|
|
}
|
| 1579 |
|
|
saa->playmode = pmode.mode;
|
| 1580 |
|
|
return 0;
|
| 1581 |
|
|
case VID_PLAY_FAST_FORWARD:
|
| 1582 |
|
|
ibm_send_command(saa, IBM_MP2_FAST_FORWARD,0,0);
|
| 1583 |
|
|
saa->playmode = pmode.mode;
|
| 1584 |
|
|
return 0;
|
| 1585 |
|
|
case VID_PLAY_SLOW_MOTION:
|
| 1586 |
|
|
ibm_send_command(saa, IBM_MP2_SLOW_MOTION,
|
| 1587 |
|
|
pmode.p1, 0);
|
| 1588 |
|
|
saa->playmode = pmode.mode;
|
| 1589 |
|
|
return 0;
|
| 1590 |
|
|
case VID_PLAY_IMMEDIATE_NORMAL:
|
| 1591 |
|
|
/* ensure transfers resume */
|
| 1592 |
|
|
debiwrite(saa, debNormal,
|
| 1593 |
|
|
IBM_MP2_CHIP_CONTROL, ChipControl, 2);
|
| 1594 |
|
|
ibm_send_command(saa, IBM_MP2_IMED_NORM_PLAY,
|
| 1595 |
|
|
0, 0);
|
| 1596 |
|
|
saa->playmode = VID_PLAY_NORMAL;
|
| 1597 |
|
|
return 0;
|
| 1598 |
|
|
case VID_PLAY_SWITCH_CHANNELS:
|
| 1599 |
|
|
saa->audhead = saa->audtail = 0;
|
| 1600 |
|
|
saa->vidhead = saa->vidtail = 0;
|
| 1601 |
|
|
ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,1);
|
| 1602 |
|
|
ibm_send_command(saa, IBM_MP2_RESET_AUD_RATE,
|
| 1603 |
|
|
0, 1);
|
| 1604 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL,
|
| 1605 |
|
|
0, 2);
|
| 1606 |
|
|
ibm_send_command(saa, IBM_MP2_CHANNEL_SWITCH,
|
| 1607 |
|
|
0, 1);
|
| 1608 |
|
|
debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL,
|
| 1609 |
|
|
ChipControl, 2);
|
| 1610 |
|
|
ibm_send_command(saa, IBM_MP2_PLAY, 0, 0);
|
| 1611 |
|
|
saa->playmode = VID_PLAY_NORMAL;
|
| 1612 |
|
|
return 0;
|
| 1613 |
|
|
case VID_PLAY_FREEZE_FRAME:
|
| 1614 |
|
|
ibm_send_command(saa, IBM_MP2_FREEZE_FRAME,0,0);
|
| 1615 |
|
|
saa->playmode = pmode.mode;
|
| 1616 |
|
|
return 0;
|
| 1617 |
|
|
case VID_PLAY_STILL_MODE:
|
| 1618 |
|
|
ibm_send_command(saa, IBM_MP2_SET_STILL_MODE,
|
| 1619 |
|
|
0, 0);
|
| 1620 |
|
|
saa->playmode = pmode.mode;
|
| 1621 |
|
|
return 0;
|
| 1622 |
|
|
case VID_PLAY_MASTER_MODE:
|
| 1623 |
|
|
if (pmode.p1 == VID_PLAY_MASTER_NONE)
|
| 1624 |
|
|
saa->boardcfg[1] = 0x13;
|
| 1625 |
|
|
else if (pmode.p1 == VID_PLAY_MASTER_VIDEO)
|
| 1626 |
|
|
saa->boardcfg[1] = 0x23;
|
| 1627 |
|
|
else if (pmode.p1 == VID_PLAY_MASTER_AUDIO)
|
| 1628 |
|
|
saa->boardcfg[1] = 0x43;
|
| 1629 |
|
|
else
|
| 1630 |
|
|
return -EINVAL;
|
| 1631 |
|
|
debiwrite(saa, debNormal,
|
| 1632 |
|
|
IBM_MP2_CHIP_CONTROL, ChipControl, 2);
|
| 1633 |
|
|
return 0;
|
| 1634 |
|
|
case VID_PLAY_ACTIVE_SCANLINES:
|
| 1635 |
|
|
if (CurrentMode == VIDEO_MODE_PAL) {
|
| 1636 |
|
|
if (pmode.p1 < 1 || pmode.p2 > 625)
|
| 1637 |
|
|
return -EINVAL;
|
| 1638 |
|
|
saa->boardcfg[5] = pmode.p1;
|
| 1639 |
|
|
saa->boardcfg[55] = (pmode.p1 +
|
| 1640 |
|
|
(pmode.p2 / 2) - 1) & 0xff;
|
| 1641 |
|
|
} else {
|
| 1642 |
|
|
if (pmode.p1 < 4 || pmode.p2 > 525)
|
| 1643 |
|
|
return -EINVAL;
|
| 1644 |
|
|
saa->boardcfg[4] = pmode.p1;
|
| 1645 |
|
|
saa->boardcfg[54] = (pmode.p1 +
|
| 1646 |
|
|
(pmode.p2 / 2) - 4) & 0xff;
|
| 1647 |
|
|
}
|
| 1648 |
|
|
set_out_format(saa, CurrentMode);
|
| 1649 |
|
|
case VID_PLAY_RESET:
|
| 1650 |
|
|
return do_ibm_reset(saa);
|
| 1651 |
|
|
case VID_PLAY_END_MARK:
|
| 1652 |
|
|
if (saa->endmarktail < saa->endmarkhead) {
|
| 1653 |
|
|
if (saa->endmarkhead -
|
| 1654 |
|
|
saa->endmarktail < 2)
|
| 1655 |
|
|
return -ENOSPC;
|
| 1656 |
|
|
} else if (saa->endmarkhead <=saa->endmarktail){
|
| 1657 |
|
|
if (saa->endmarktail - saa->endmarkhead
|
| 1658 |
|
|
> (MAX_MARKS - 2))
|
| 1659 |
|
|
return -ENOSPC;
|
| 1660 |
|
|
} else
|
| 1661 |
|
|
return -ENOSPC;
|
| 1662 |
|
|
saa->endmark[saa->endmarktail] = saa->audtail;
|
| 1663 |
|
|
saa->endmarktail++;
|
| 1664 |
|
|
if (saa->endmarktail >= MAX_MARKS)
|
| 1665 |
|
|
saa->endmarktail = 0;
|
| 1666 |
|
|
}
|
| 1667 |
|
|
return -EINVAL;
|
| 1668 |
|
|
}
|
| 1669 |
|
|
case VIDIOCSWRITEMODE:
|
| 1670 |
|
|
{
|
| 1671 |
|
|
int mode;
|
| 1672 |
|
|
if (copy_from_user((void *)&mode, arg, sizeof(int)))
|
| 1673 |
|
|
return -EFAULT;
|
| 1674 |
|
|
if (mode == VID_WRITE_MPEG_AUD ||
|
| 1675 |
|
|
mode == VID_WRITE_MPEG_VID ||
|
| 1676 |
|
|
mode == VID_WRITE_CC ||
|
| 1677 |
|
|
mode == VID_WRITE_TTX ||
|
| 1678 |
|
|
mode == VID_WRITE_OSD) {
|
| 1679 |
|
|
saa->writemode = mode;
|
| 1680 |
|
|
return 0;
|
| 1681 |
|
|
}
|
| 1682 |
|
|
return -EINVAL;
|
| 1683 |
|
|
}
|
| 1684 |
|
|
case VIDIOCSMICROCODE:
|
| 1685 |
|
|
{
|
| 1686 |
|
|
struct video_code ucode;
|
| 1687 |
|
|
__u8 *udata;
|
| 1688 |
|
|
int i;
|
| 1689 |
|
|
if (copy_from_user(&ucode, arg, sizeof(ucode)))
|
| 1690 |
|
|
return -EFAULT;
|
| 1691 |
|
|
if (ucode.datasize > 65536 || ucode.datasize < 1024 ||
|
| 1692 |
|
|
strncmp(ucode.loadwhat, "dec", 3))
|
| 1693 |
|
|
return -EINVAL;
|
| 1694 |
|
|
if ((udata = vmalloc(ucode.datasize)) == NULL)
|
| 1695 |
|
|
return -ENOMEM;
|
| 1696 |
|
|
if (copy_from_user(udata, ucode.data, ucode.datasize)) {
|
| 1697 |
|
|
vfree(udata);
|
| 1698 |
|
|
return -EFAULT;
|
| 1699 |
|
|
}
|
| 1700 |
|
|
ucode.data = udata;
|
| 1701 |
|
|
if (!strncmp(ucode.loadwhat, "decoder.aud", 11) ||
|
| 1702 |
|
|
!strncmp(ucode.loadwhat, "decoder.vid", 11))
|
| 1703 |
|
|
i = initialize_ibmmpeg2(&ucode);
|
| 1704 |
|
|
else
|
| 1705 |
|
|
i = initialize_fpga(&ucode);
|
| 1706 |
|
|
vfree(udata);
|
| 1707 |
|
|
if (i)
|
| 1708 |
|
|
return -EINVAL;
|
| 1709 |
|
|
return 0;
|
| 1710 |
|
|
|
| 1711 |
|
|
}
|
| 1712 |
|
|
case VIDIOCGCHAN: /* this makes xawtv happy */
|
| 1713 |
|
|
{
|
| 1714 |
|
|
struct video_channel v;
|
| 1715 |
|
|
if (copy_from_user(&v, arg, sizeof(v)))
|
| 1716 |
|
|
return -EFAULT;
|
| 1717 |
|
|
v.flags = VIDEO_VC_AUDIO;
|
| 1718 |
|
|
v.tuners = 0;
|
| 1719 |
|
|
v.type = VID_TYPE_MPEG_DECODER;
|
| 1720 |
|
|
v.norm = CurrentMode;
|
| 1721 |
|
|
strcpy(v.name, "MPEG2");
|
| 1722 |
|
|
if (copy_to_user(arg, &v, sizeof(v)))
|
| 1723 |
|
|
return -EFAULT;
|
| 1724 |
|
|
return 0;
|
| 1725 |
|
|
}
|
| 1726 |
|
|
case VIDIOCSCHAN: /* this makes xawtv happy */
|
| 1727 |
|
|
{
|
| 1728 |
|
|
struct video_channel v;
|
| 1729 |
|
|
if (copy_from_user(&v, arg, sizeof(v)))
|
| 1730 |
|
|
return -EFAULT;
|
| 1731 |
|
|
/* do nothing */
|
| 1732 |
|
|
return 0;
|
| 1733 |
|
|
}
|
| 1734 |
|
|
default:
|
| 1735 |
|
|
return -ENOIOCTLCMD;
|
| 1736 |
|
|
}
|
| 1737 |
|
|
return 0;
|
| 1738 |
|
|
}
|
| 1739 |
|
|
|
| 1740 |
|
|
static int saa_mmap(struct file *file, struct vm_area_struct *vma)
|
| 1741 |
|
|
{
|
| 1742 |
|
|
struct saa7146 *saa = file->private_data;
|
| 1743 |
|
|
printk(KERN_DEBUG "stradis%d: saa_mmap called\n", saa->nr);
|
| 1744 |
|
|
return -EINVAL;
|
| 1745 |
|
|
}
|
| 1746 |
|
|
|
| 1747 |
|
|
static ssize_t saa_read(struct file *file, char __user * buf,
|
| 1748 |
|
|
size_t count, loff_t * ppos)
|
| 1749 |
|
|
{
|
| 1750 |
|
|
return -EINVAL;
|
| 1751 |
|
|
}
|
| 1752 |
|
|
|
| 1753 |
|
|
static ssize_t saa_write(struct file *file, const char __user * buf,
|
| 1754 |
|
|
size_t count, loff_t * ppos)
|
| 1755 |
|
|
{
|
| 1756 |
|
|
struct saa7146 *saa = file->private_data;
|
| 1757 |
|
|
unsigned long todo = count;
|
| 1758 |
|
|
int blocksize, split;
|
| 1759 |
|
|
unsigned long flags;
|
| 1760 |
|
|
|
| 1761 |
|
|
while (todo > 0) {
|
| 1762 |
|
|
if (saa->writemode == VID_WRITE_MPEG_AUD) {
|
| 1763 |
|
|
spin_lock_irqsave(&saa->lock, flags);
|
| 1764 |
|
|
if (saa->audhead <= saa->audtail)
|
| 1765 |
|
|
blocksize = 65536 -
|
| 1766 |
|
|
(saa->audtail - saa->audhead);
|
| 1767 |
|
|
else
|
| 1768 |
|
|
blocksize = saa->audhead - saa->audtail;
|
| 1769 |
|
|
spin_unlock_irqrestore(&saa->lock, flags);
|
| 1770 |
|
|
if (blocksize < 16384) {
|
| 1771 |
|
|
saawrite(SAA7146_PSR_DEBI_S |
|
| 1772 |
|
|
SAA7146_PSR_PIN1, SAA7146_IER);
|
| 1773 |
|
|
saawrite(SAA7146_PSR_PIN1, SAA7146_PSR);
|
| 1774 |
|
|
/* wait for buffer space to open */
|
| 1775 |
|
|
interruptible_sleep_on(&saa->audq);
|
| 1776 |
|
|
}
|
| 1777 |
|
|
spin_lock_irqsave(&saa->lock, flags);
|
| 1778 |
|
|
if (saa->audhead <= saa->audtail) {
|
| 1779 |
|
|
blocksize = 65536 -
|
| 1780 |
|
|
(saa->audtail - saa->audhead);
|
| 1781 |
|
|
split = 65536 - saa->audtail;
|
| 1782 |
|
|
} else {
|
| 1783 |
|
|
blocksize = saa->audhead - saa->audtail;
|
| 1784 |
|
|
split = 65536;
|
| 1785 |
|
|
}
|
| 1786 |
|
|
spin_unlock_irqrestore(&saa->lock, flags);
|
| 1787 |
|
|
blocksize--;
|
| 1788 |
|
|
if (blocksize > todo)
|
| 1789 |
|
|
blocksize = todo;
|
| 1790 |
|
|
/* double check that we really have space */
|
| 1791 |
|
|
if (!blocksize)
|
| 1792 |
|
|
return -ENOSPC;
|
| 1793 |
|
|
if (split < blocksize) {
|
| 1794 |
|
|
if (copy_from_user(saa->audbuf +
|
| 1795 |
|
|
saa->audtail, buf, split))
|
| 1796 |
|
|
return -EFAULT;
|
| 1797 |
|
|
buf += split;
|
| 1798 |
|
|
todo -= split;
|
| 1799 |
|
|
blocksize -= split;
|
| 1800 |
|
|
saa->audtail = 0;
|
| 1801 |
|
|
}
|
| 1802 |
|
|
if (copy_from_user(saa->audbuf + saa->audtail, buf,
|
| 1803 |
|
|
blocksize))
|
| 1804 |
|
|
return -EFAULT;
|
| 1805 |
|
|
saa->audtail += blocksize;
|
| 1806 |
|
|
todo -= blocksize;
|
| 1807 |
|
|
buf += blocksize;
|
| 1808 |
|
|
saa->audtail &= 0xffff;
|
| 1809 |
|
|
} else if (saa->writemode == VID_WRITE_MPEG_VID) {
|
| 1810 |
|
|
spin_lock_irqsave(&saa->lock, flags);
|
| 1811 |
|
|
if (saa->vidhead <= saa->vidtail)
|
| 1812 |
|
|
blocksize = 524288 -
|
| 1813 |
|
|
(saa->vidtail - saa->vidhead);
|
| 1814 |
|
|
else
|
| 1815 |
|
|
blocksize = saa->vidhead - saa->vidtail;
|
| 1816 |
|
|
spin_unlock_irqrestore(&saa->lock, flags);
|
| 1817 |
|
|
if (blocksize < 65536) {
|
| 1818 |
|
|
saawrite(SAA7146_PSR_DEBI_S |
|
| 1819 |
|
|
SAA7146_PSR_PIN1, SAA7146_IER);
|
| 1820 |
|
|
saawrite(SAA7146_PSR_PIN1, SAA7146_PSR);
|
| 1821 |
|
|
/* wait for buffer space to open */
|
| 1822 |
|
|
interruptible_sleep_on(&saa->vidq);
|
| 1823 |
|
|
}
|
| 1824 |
|
|
spin_lock_irqsave(&saa->lock, flags);
|
| 1825 |
|
|
if (saa->vidhead <= saa->vidtail) {
|
| 1826 |
|
|
blocksize = 524288 -
|
| 1827 |
|
|
(saa->vidtail - saa->vidhead);
|
| 1828 |
|
|
split = 524288 - saa->vidtail;
|
| 1829 |
|
|
} else {
|
| 1830 |
|
|
blocksize = saa->vidhead - saa->vidtail;
|
| 1831 |
|
|
split = 524288;
|
| 1832 |
|
|
}
|
| 1833 |
|
|
spin_unlock_irqrestore(&saa->lock, flags);
|
| 1834 |
|
|
blocksize--;
|
| 1835 |
|
|
if (blocksize > todo)
|
| 1836 |
|
|
blocksize = todo;
|
| 1837 |
|
|
/* double check that we really have space */
|
| 1838 |
|
|
if (!blocksize)
|
| 1839 |
|
|
return -ENOSPC;
|
| 1840 |
|
|
if (split < blocksize) {
|
| 1841 |
|
|
if (copy_from_user(saa->vidbuf +
|
| 1842 |
|
|
saa->vidtail, buf, split))
|
| 1843 |
|
|
return -EFAULT;
|
| 1844 |
|
|
buf += split;
|
| 1845 |
|
|
todo -= split;
|
| 1846 |
|
|
blocksize -= split;
|
| 1847 |
|
|
saa->vidtail = 0;
|
| 1848 |
|
|
}
|
| 1849 |
|
|
if (copy_from_user(saa->vidbuf + saa->vidtail, buf,
|
| 1850 |
|
|
blocksize))
|
| 1851 |
|
|
return -EFAULT;
|
| 1852 |
|
|
saa->vidtail += blocksize;
|
| 1853 |
|
|
todo -= blocksize;
|
| 1854 |
|
|
buf += blocksize;
|
| 1855 |
|
|
saa->vidtail &= 0x7ffff;
|
| 1856 |
|
|
} else if (saa->writemode == VID_WRITE_OSD) {
|
| 1857 |
|
|
if (count > 131072)
|
| 1858 |
|
|
return -ENOSPC;
|
| 1859 |
|
|
if (copy_from_user(saa->osdbuf, buf, count))
|
| 1860 |
|
|
return -EFAULT;
|
| 1861 |
|
|
buf += count;
|
| 1862 |
|
|
saa->osdhead = 0;
|
| 1863 |
|
|
saa->osdtail = count;
|
| 1864 |
|
|
debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, 0, 2);
|
| 1865 |
|
|
debiwrite(saa, debNormal, IBM_MP2_OSD_LINK_ADDR, 0, 2);
|
| 1866 |
|
|
debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00d, 2);
|
| 1867 |
|
|
debiwrite(saa, debNormal, IBM_MP2_DISP_MODE,
|
| 1868 |
|
|
debiread(saa, debNormal,
|
| 1869 |
|
|
IBM_MP2_DISP_MODE, 2) | 1, 2);
|
| 1870 |
|
|
/* trigger osd data transfer */
|
| 1871 |
|
|
saawrite(SAA7146_PSR_DEBI_S |
|
| 1872 |
|
|
SAA7146_PSR_PIN1, SAA7146_IER);
|
| 1873 |
|
|
saawrite(SAA7146_PSR_PIN1, SAA7146_PSR);
|
| 1874 |
|
|
}
|
| 1875 |
|
|
}
|
| 1876 |
|
|
return count;
|
| 1877 |
|
|
}
|
| 1878 |
|
|
|
| 1879 |
|
|
static int saa_open(struct inode *inode, struct file *file)
|
| 1880 |
|
|
{
|
| 1881 |
|
|
struct video_device *vdev = video_devdata(file);
|
| 1882 |
|
|
struct saa7146 *saa = container_of(vdev, struct saa7146, video_dev);
|
| 1883 |
|
|
|
| 1884 |
|
|
file->private_data = saa;
|
| 1885 |
|
|
|
| 1886 |
|
|
saa->user++;
|
| 1887 |
|
|
if (saa->user > 1)
|
| 1888 |
|
|
return 0; /* device open already, don't reset */
|
| 1889 |
|
|
saa->writemode = VID_WRITE_MPEG_VID; /* default to video */
|
| 1890 |
|
|
return 0;
|
| 1891 |
|
|
}
|
| 1892 |
|
|
|
| 1893 |
|
|
static int saa_release(struct inode *inode, struct file *file)
|
| 1894 |
|
|
{
|
| 1895 |
|
|
struct saa7146 *saa = file->private_data;
|
| 1896 |
|
|
saa->user--;
|
| 1897 |
|
|
|
| 1898 |
|
|
if (saa->user > 0) /* still someone using device */
|
| 1899 |
|
|
return 0;
|
| 1900 |
|
|
saawrite(0x007f0000, SAA7146_MC1); /* stop all overlay dma */
|
| 1901 |
|
|
return 0;
|
| 1902 |
|
|
}
|
| 1903 |
|
|
|
| 1904 |
|
|
static const struct file_operations saa_fops = {
|
| 1905 |
|
|
.owner = THIS_MODULE,
|
| 1906 |
|
|
.open = saa_open,
|
| 1907 |
|
|
.release = saa_release,
|
| 1908 |
|
|
.ioctl = saa_ioctl,
|
| 1909 |
|
|
.compat_ioctl = v4l_compat_ioctl32,
|
| 1910 |
|
|
.read = saa_read,
|
| 1911 |
|
|
.llseek = no_llseek,
|
| 1912 |
|
|
.write = saa_write,
|
| 1913 |
|
|
.mmap = saa_mmap,
|
| 1914 |
|
|
};
|
| 1915 |
|
|
|
| 1916 |
|
|
/* template for video_device-structure */
|
| 1917 |
|
|
static struct video_device saa_template = {
|
| 1918 |
|
|
.name = "SAA7146A",
|
| 1919 |
|
|
.type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY,
|
| 1920 |
|
|
.fops = &saa_fops,
|
| 1921 |
|
|
.minor = -1,
|
| 1922 |
|
|
};
|
| 1923 |
|
|
|
| 1924 |
|
|
static int __devinit configure_saa7146(struct pci_dev *pdev, int num)
|
| 1925 |
|
|
{
|
| 1926 |
|
|
int retval;
|
| 1927 |
|
|
struct saa7146 *saa = pci_get_drvdata(pdev);
|
| 1928 |
|
|
|
| 1929 |
|
|
saa->endmarkhead = saa->endmarktail = 0;
|
| 1930 |
|
|
saa->win.x = saa->win.y = 0;
|
| 1931 |
|
|
saa->win.width = saa->win.cropwidth = 720;
|
| 1932 |
|
|
saa->win.height = saa->win.cropheight = 480;
|
| 1933 |
|
|
saa->win.cropx = saa->win.cropy = 0;
|
| 1934 |
|
|
saa->win.bpp = 2;
|
| 1935 |
|
|
saa->win.depth = 16;
|
| 1936 |
|
|
saa->win.color_fmt = palette2fmt[VIDEO_PALETTE_RGB565];
|
| 1937 |
|
|
saa->win.bpl = 1024 * saa->win.bpp;
|
| 1938 |
|
|
saa->win.swidth = 1024;
|
| 1939 |
|
|
saa->win.sheight = 768;
|
| 1940 |
|
|
saa->picture.brightness = 32768;
|
| 1941 |
|
|
saa->picture.contrast = 38768;
|
| 1942 |
|
|
saa->picture.colour = 32768;
|
| 1943 |
|
|
saa->cap = 0;
|
| 1944 |
|
|
saa->nr = num;
|
| 1945 |
|
|
saa->playmode = VID_PLAY_NORMAL;
|
| 1946 |
|
|
memset(saa->boardcfg, 0, 64); /* clear board config area */
|
| 1947 |
|
|
saa->saa7146_mem = NULL;
|
| 1948 |
|
|
saa->dmavid1 = saa->dmavid2 = saa->dmavid3 = saa->dmaa1in =
|
| 1949 |
|
|
saa->dmaa1out = saa->dmaa2in = saa->dmaa2out =
|
| 1950 |
|
|
saa->pagevid1 = saa->pagevid2 = saa->pagevid3 = saa->pagea1in =
|
| 1951 |
|
|
saa->pagea1out = saa->pagea2in = saa->pagea2out =
|
| 1952 |
|
|
saa->pagedebi = saa->dmaRPS1 = saa->dmaRPS2 = saa->pageRPS1 =
|
| 1953 |
|
|
saa->pageRPS2 = NULL;
|
| 1954 |
|
|
saa->audbuf = saa->vidbuf = saa->osdbuf = saa->dmadebi = NULL;
|
| 1955 |
|
|
saa->audhead = saa->vidtail = 0;
|
| 1956 |
|
|
|
| 1957 |
|
|
init_waitqueue_head(&saa->i2cq);
|
| 1958 |
|
|
init_waitqueue_head(&saa->audq);
|
| 1959 |
|
|
init_waitqueue_head(&saa->debiq);
|
| 1960 |
|
|
init_waitqueue_head(&saa->vidq);
|
| 1961 |
|
|
spin_lock_init(&saa->lock);
|
| 1962 |
|
|
|
| 1963 |
|
|
retval = pci_enable_device(pdev);
|
| 1964 |
|
|
if (retval) {
|
| 1965 |
|
|
dev_err(&pdev->dev, "%d: pci_enable_device failed!\n", num);
|
| 1966 |
|
|
goto err;
|
| 1967 |
|
|
}
|
| 1968 |
|
|
|
| 1969 |
|
|
saa->id = pdev->device;
|
| 1970 |
|
|
saa->irq = pdev->irq;
|
| 1971 |
|
|
saa->video_dev.minor = -1;
|
| 1972 |
|
|
saa->saa7146_adr = pci_resource_start(pdev, 0);
|
| 1973 |
|
|
pci_read_config_byte(pdev, PCI_CLASS_REVISION, &saa->revision);
|
| 1974 |
|
|
|
| 1975 |
|
|
saa->saa7146_mem = ioremap(saa->saa7146_adr, 0x200);
|
| 1976 |
|
|
if (saa->saa7146_mem == NULL) {
|
| 1977 |
|
|
dev_err(&pdev->dev, "%d: ioremap failed!\n", num);
|
| 1978 |
|
|
retval = -EIO;
|
| 1979 |
|
|
goto err;
|
| 1980 |
|
|
}
|
| 1981 |
|
|
|
| 1982 |
|
|
memcpy(&saa->video_dev, &saa_template, sizeof(saa_template));
|
| 1983 |
|
|
saawrite(0, SAA7146_IER); /* turn off all interrupts */
|
| 1984 |
|
|
|
| 1985 |
|
|
retval = request_irq(saa->irq, saa7146_irq, IRQF_SHARED | IRQF_DISABLED,
|
| 1986 |
|
|
"stradis", saa);
|
| 1987 |
|
|
if (retval == -EINVAL)
|
| 1988 |
|
|
dev_err(&pdev->dev, "%d: Bad irq number or handler\n", num);
|
| 1989 |
|
|
else if (retval == -EBUSY)
|
| 1990 |
|
|
dev_err(&pdev->dev, "%d: IRQ %ld busy, change your PnP config "
|
| 1991 |
|
|
"in BIOS\n", num, saa->irq);
|
| 1992 |
|
|
if (retval < 0)
|
| 1993 |
|
|
goto errio;
|
| 1994 |
|
|
|
| 1995 |
|
|
pci_set_master(pdev);
|
| 1996 |
|
|
retval = video_register_device(&saa->video_dev, VFL_TYPE_GRABBER,
|
| 1997 |
|
|
video_nr);
|
| 1998 |
|
|
if (retval < 0) {
|
| 1999 |
|
|
dev_err(&pdev->dev, "%d: error in registering video device!\n",
|
| 2000 |
|
|
num);
|
| 2001 |
|
|
goto errio;
|
| 2002 |
|
|
}
|
| 2003 |
|
|
|
| 2004 |
|
|
return 0;
|
| 2005 |
|
|
errio:
|
| 2006 |
|
|
iounmap(saa->saa7146_mem);
|
| 2007 |
|
|
err:
|
| 2008 |
|
|
return retval;
|
| 2009 |
|
|
}
|
| 2010 |
|
|
|
| 2011 |
|
|
static int __devinit init_saa7146(struct pci_dev *pdev)
|
| 2012 |
|
|
{
|
| 2013 |
|
|
struct saa7146 *saa = pci_get_drvdata(pdev);
|
| 2014 |
|
|
|
| 2015 |
|
|
saa->user = 0;
|
| 2016 |
|
|
/* reset the saa7146 */
|
| 2017 |
|
|
saawrite(0xffff0000, SAA7146_MC1);
|
| 2018 |
|
|
mdelay(5);
|
| 2019 |
|
|
/* enable debi and i2c transfers and pins */
|
| 2020 |
|
|
saawrite(((SAA7146_MC1_EDP | SAA7146_MC1_EI2C |
|
| 2021 |
|
|
SAA7146_MC1_TR_E_DEBI) << 16) | 0xffff, SAA7146_MC1);
|
| 2022 |
|
|
/* ensure proper state of chip */
|
| 2023 |
|
|
saawrite(0x00000000, SAA7146_PAGE1);
|
| 2024 |
|
|
saawrite(0x00f302c0, SAA7146_NUM_LINE_BYTE1);
|
| 2025 |
|
|
saawrite(0x00000000, SAA7146_PAGE2);
|
| 2026 |
|
|
saawrite(0x01400080, SAA7146_NUM_LINE_BYTE2);
|
| 2027 |
|
|
saawrite(0x00000000, SAA7146_DD1_INIT);
|
| 2028 |
|
|
saawrite(0x00000000, SAA7146_DD1_STREAM_B);
|
| 2029 |
|
|
saawrite(0x00000000, SAA7146_DD1_STREAM_A);
|
| 2030 |
|
|
saawrite(0x00000000, SAA7146_BRS_CTRL);
|
| 2031 |
|
|
saawrite(0x80400040, SAA7146_BCS_CTRL);
|
| 2032 |
|
|
saawrite(0x0000e000 /*| (1<<29) */ , SAA7146_HPS_CTRL);
|
| 2033 |
|
|
saawrite(0x00000060, SAA7146_CLIP_FORMAT_CTRL);
|
| 2034 |
|
|
saawrite(0x00000000, SAA7146_ACON1);
|
| 2035 |
|
|
saawrite(0x00000000, SAA7146_ACON2);
|
| 2036 |
|
|
saawrite(0x00000600, SAA7146_I2C_STATUS);
|
| 2037 |
|
|
saawrite(((SAA7146_MC2_UPLD_D1_B | SAA7146_MC2_UPLD_D1_A |
|
| 2038 |
|
|
SAA7146_MC2_UPLD_BRS | SAA7146_MC2_UPLD_HPS_H |
|
| 2039 |
|
|
SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_DMA2 |
|
| 2040 |
|
|
SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_I2C) << 16) | 0xffff,
|
| 2041 |
|
|
SAA7146_MC2);
|
| 2042 |
|
|
/* setup arbitration control registers */
|
| 2043 |
|
|
saawrite(0x1412121a, SAA7146_PCI_BT_V1);
|
| 2044 |
|
|
|
| 2045 |
|
|
/* allocate 32k dma buffer + 4k for page table */
|
| 2046 |
|
|
if ((saa->dmadebi = kmalloc(32768 + 4096, GFP_KERNEL)) == NULL) {
|
| 2047 |
|
|
dev_err(&pdev->dev, "%d: debi kmalloc failed\n", saa->nr);
|
| 2048 |
|
|
goto err;
|
| 2049 |
|
|
}
|
| 2050 |
|
|
#if 0
|
| 2051 |
|
|
saa->pagedebi = saa->dmadebi + 32768; /* top 4k is for mmu */
|
| 2052 |
|
|
saawrite(virt_to_bus(saa->pagedebi) /*|0x800 */ , SAA7146_DEBI_PAGE);
|
| 2053 |
|
|
for (i = 0; i < 12; i++) /* setup mmu page table */
|
| 2054 |
|
|
saa->pagedebi[i] = virt_to_bus((saa->dmadebi + i * 4096));
|
| 2055 |
|
|
#endif
|
| 2056 |
|
|
saa->audhead = saa->vidhead = saa->osdhead = 0;
|
| 2057 |
|
|
saa->audtail = saa->vidtail = saa->osdtail = 0;
|
| 2058 |
|
|
if (saa->vidbuf == NULL && (saa->vidbuf = vmalloc(524288)) == NULL) {
|
| 2059 |
|
|
dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr);
|
| 2060 |
|
|
goto err;
|
| 2061 |
|
|
}
|
| 2062 |
|
|
if (saa->audbuf == NULL && (saa->audbuf = vmalloc(65536)) == NULL) {
|
| 2063 |
|
|
dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr);
|
| 2064 |
|
|
goto errfree;
|
| 2065 |
|
|
}
|
| 2066 |
|
|
if (saa->osdbuf == NULL && (saa->osdbuf = vmalloc(131072)) == NULL) {
|
| 2067 |
|
|
dev_err(&pdev->dev, "%d: malloc failed\n", saa->nr);
|
| 2068 |
|
|
goto errfree;
|
| 2069 |
|
|
}
|
| 2070 |
|
|
/* allocate 81920 byte buffer for clipping */
|
| 2071 |
|
|
if ((saa->dmavid2 = kzalloc(VIDEO_CLIPMAP_SIZE, GFP_KERNEL)) == NULL) {
|
| 2072 |
|
|
dev_err(&pdev->dev, "%d: clip kmalloc failed\n", saa->nr);
|
| 2073 |
|
|
goto errfree;
|
| 2074 |
|
|
}
|
| 2075 |
|
|
/* setup clipping registers */
|
| 2076 |
|
|
saawrite(virt_to_bus(saa->dmavid2), SAA7146_BASE_EVEN2);
|
| 2077 |
|
|
saawrite(virt_to_bus(saa->dmavid2) + 128, SAA7146_BASE_ODD2);
|
| 2078 |
|
|
saawrite(virt_to_bus(saa->dmavid2) + VIDEO_CLIPMAP_SIZE,
|
| 2079 |
|
|
SAA7146_PROT_ADDR2);
|
| 2080 |
|
|
saawrite(256, SAA7146_PITCH2);
|
| 2081 |
|
|
saawrite(4, SAA7146_PAGE2); /* dma direction: read, no byteswap */
|
| 2082 |
|
|
saawrite(((SAA7146_MC2_UPLD_DMA2) << 16) | SAA7146_MC2_UPLD_DMA2,
|
| 2083 |
|
|
SAA7146_MC2);
|
| 2084 |
|
|
I2CBusScan(saa);
|
| 2085 |
|
|
|
| 2086 |
|
|
return 0;
|
| 2087 |
|
|
errfree:
|
| 2088 |
|
|
vfree(saa->osdbuf);
|
| 2089 |
|
|
vfree(saa->audbuf);
|
| 2090 |
|
|
vfree(saa->vidbuf);
|
| 2091 |
|
|
saa->audbuf = saa->osdbuf = saa->vidbuf = NULL;
|
| 2092 |
|
|
err:
|
| 2093 |
|
|
return -ENOMEM;
|
| 2094 |
|
|
}
|
| 2095 |
|
|
|
| 2096 |
|
|
static void stradis_release_saa(struct pci_dev *pdev)
|
| 2097 |
|
|
{
|
| 2098 |
|
|
u8 command;
|
| 2099 |
|
|
struct saa7146 *saa = pci_get_drvdata(pdev);
|
| 2100 |
|
|
|
| 2101 |
|
|
/* turn off all capturing, DMA and IRQs */
|
| 2102 |
|
|
saawrite(0xffff0000, SAA7146_MC1); /* reset chip */
|
| 2103 |
|
|
saawrite(0, SAA7146_MC2);
|
| 2104 |
|
|
saawrite(0, SAA7146_IER);
|
| 2105 |
|
|
saawrite(0xffffffffUL, SAA7146_ISR);
|
| 2106 |
|
|
|
| 2107 |
|
|
/* disable PCI bus-mastering */
|
| 2108 |
|
|
pci_read_config_byte(pdev, PCI_COMMAND, &command);
|
| 2109 |
|
|
command &= ~PCI_COMMAND_MASTER;
|
| 2110 |
|
|
pci_write_config_byte(pdev, PCI_COMMAND, command);
|
| 2111 |
|
|
|
| 2112 |
|
|
/* unmap and free memory */
|
| 2113 |
|
|
saa->audhead = saa->audtail = saa->osdhead = 0;
|
| 2114 |
|
|
saa->vidhead = saa->vidtail = saa->osdtail = 0;
|
| 2115 |
|
|
vfree(saa->vidbuf);
|
| 2116 |
|
|
vfree(saa->audbuf);
|
| 2117 |
|
|
vfree(saa->osdbuf);
|
| 2118 |
|
|
kfree(saa->dmavid2);
|
| 2119 |
|
|
saa->audbuf = saa->vidbuf = saa->osdbuf = NULL;
|
| 2120 |
|
|
saa->dmavid2 = NULL;
|
| 2121 |
|
|
kfree(saa->dmadebi);
|
| 2122 |
|
|
kfree(saa->dmavid1);
|
| 2123 |
|
|
kfree(saa->dmavid3);
|
| 2124 |
|
|
kfree(saa->dmaa1in);
|
| 2125 |
|
|
kfree(saa->dmaa1out);
|
| 2126 |
|
|
kfree(saa->dmaa2in);
|
| 2127 |
|
|
kfree(saa->dmaa2out);
|
| 2128 |
|
|
kfree(saa->dmaRPS1);
|
| 2129 |
|
|
kfree(saa->dmaRPS2);
|
| 2130 |
|
|
free_irq(saa->irq, saa);
|
| 2131 |
|
|
if (saa->saa7146_mem)
|
| 2132 |
|
|
iounmap(saa->saa7146_mem);
|
| 2133 |
|
|
if (saa->video_dev.minor != -1)
|
| 2134 |
|
|
video_unregister_device(&saa->video_dev);
|
| 2135 |
|
|
}
|
| 2136 |
|
|
|
| 2137 |
|
|
static int __devinit stradis_probe(struct pci_dev *pdev,
|
| 2138 |
|
|
const struct pci_device_id *ent)
|
| 2139 |
|
|
{
|
| 2140 |
|
|
int retval = -EINVAL;
|
| 2141 |
|
|
|
| 2142 |
|
|
if (saa_num >= SAA7146_MAX)
|
| 2143 |
|
|
goto err;
|
| 2144 |
|
|
|
| 2145 |
|
|
if (!pdev->subsystem_vendor)
|
| 2146 |
|
|
dev_info(&pdev->dev, "%d: rev1 decoder\n", saa_num);
|
| 2147 |
|
|
else
|
| 2148 |
|
|
dev_info(&pdev->dev, "%d: SDM2xx found\n", saa_num);
|
| 2149 |
|
|
|
| 2150 |
|
|
pci_set_drvdata(pdev, &saa7146s[saa_num]);
|
| 2151 |
|
|
|
| 2152 |
|
|
retval = configure_saa7146(pdev, saa_num);
|
| 2153 |
|
|
if (retval) {
|
| 2154 |
|
|
dev_err(&pdev->dev, "%d: error in configuring\n", saa_num);
|
| 2155 |
|
|
goto err;
|
| 2156 |
|
|
}
|
| 2157 |
|
|
|
| 2158 |
|
|
if (init_saa7146(pdev) < 0) {
|
| 2159 |
|
|
dev_err(&pdev->dev, "%d: error in initialization\n", saa_num);
|
| 2160 |
|
|
retval = -EIO;
|
| 2161 |
|
|
goto errrel;
|
| 2162 |
|
|
}
|
| 2163 |
|
|
|
| 2164 |
|
|
saa_num++;
|
| 2165 |
|
|
|
| 2166 |
|
|
return 0;
|
| 2167 |
|
|
errrel:
|
| 2168 |
|
|
stradis_release_saa(pdev);
|
| 2169 |
|
|
err:
|
| 2170 |
|
|
return retval;
|
| 2171 |
|
|
}
|
| 2172 |
|
|
|
| 2173 |
|
|
static void __devexit stradis_remove(struct pci_dev *pdev)
|
| 2174 |
|
|
{
|
| 2175 |
|
|
stradis_release_saa(pdev);
|
| 2176 |
|
|
}
|
| 2177 |
|
|
|
| 2178 |
|
|
static struct pci_device_id stradis_pci_tbl[] = {
|
| 2179 |
|
|
{ PCI_DEVICE(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146) },
|
| 2180 |
|
|
{ 0 }
|
| 2181 |
|
|
};
|
| 2182 |
|
|
|
| 2183 |
|
|
|
| 2184 |
|
|
static struct pci_driver stradis_driver = {
|
| 2185 |
|
|
.name = "stradis",
|
| 2186 |
|
|
.id_table = stradis_pci_tbl,
|
| 2187 |
|
|
.probe = stradis_probe,
|
| 2188 |
|
|
.remove = __devexit_p(stradis_remove)
|
| 2189 |
|
|
};
|
| 2190 |
|
|
|
| 2191 |
|
|
static int __init stradis_init(void)
|
| 2192 |
|
|
{
|
| 2193 |
|
|
int retval;
|
| 2194 |
|
|
|
| 2195 |
|
|
saa_num = 0;
|
| 2196 |
|
|
|
| 2197 |
|
|
retval = pci_register_driver(&stradis_driver);
|
| 2198 |
|
|
if (retval)
|
| 2199 |
|
|
printk(KERN_ERR "stradis: Unable to register pci driver.\n");
|
| 2200 |
|
|
|
| 2201 |
|
|
return retval;
|
| 2202 |
|
|
}
|
| 2203 |
|
|
|
| 2204 |
|
|
static void __exit stradis_exit(void)
|
| 2205 |
|
|
{
|
| 2206 |
|
|
pci_unregister_driver(&stradis_driver);
|
| 2207 |
|
|
printk(KERN_INFO "stradis: module cleanup complete\n");
|
| 2208 |
|
|
}
|
| 2209 |
|
|
|
| 2210 |
|
|
module_init(stradis_init);
|
| 2211 |
|
|
module_exit(stradis_exit);
|
