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-rw-r--r--drivers/media/video/stradis.c2258
1 files changed, 2258 insertions, 0 deletions
diff --git a/drivers/media/video/stradis.c b/drivers/media/video/stradis.c
new file mode 100644
index 000000000000..b57743571087
--- /dev/null
+++ b/drivers/media/video/stradis.c
@@ -0,0 +1,2258 @@
+/*
+ * stradis.c - stradis 4:2:2 mpeg decoder driver
+ *
+ * Stradis 4:2:2 MPEG-2 Decoder Driver
+ * Copyright (C) 1999 Nathan Laredo <laredo@gnu.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/errno.h>
+#include <linux/fs.h>
+#include <linux/kernel.h>
+#include <linux/major.h>
+#include <linux/slab.h>
+#include <linux/mm.h>
+#include <linux/init.h>
+#include <linux/poll.h>
+#include <linux/pci.h>
+#include <linux/signal.h>
+#include <asm/io.h>
+#include <linux/ioport.h>
+#include <asm/pgtable.h>
+#include <asm/page.h>
+#include <linux/sched.h>
+#include <asm/types.h>
+#include <linux/types.h>
+#include <linux/interrupt.h>
+#include <asm/uaccess.h>
+#include <linux/vmalloc.h>
+#include <linux/videodev.h>
+
+#include "saa7146.h"
+#include "saa7146reg.h"
+#include "ibmmpeg2.h"
+#include "saa7121.h"
+#include "cs8420.h"
+
+#define DEBUG(x) /* debug driver */
+#undef IDEBUG /* debug irq handler */
+#undef MDEBUG /* debug memory management */
+
+#define SAA7146_MAX 6
+
+static struct saa7146 saa7146s[SAA7146_MAX];
+
+static int saa_num = 0; /* number of SAA7146s in use */
+
+static int video_nr = -1;
+module_param(video_nr, int, 0);
+MODULE_LICENSE("GPL");
+
+
+#define nDebNormal 0x00480000
+#define nDebNoInc 0x00480000
+#define nDebVideo 0xd0480000
+#define nDebAudio 0xd0400000
+#define nDebDMA 0x02c80000
+
+#define oDebNormal 0x13c80000
+#define oDebNoInc 0x13c80000
+#define oDebVideo 0xd1080000
+#define oDebAudio 0xd1080000
+#define oDebDMA 0x03080000
+
+#define NewCard (saa->boardcfg[3])
+#define ChipControl (saa->boardcfg[1])
+#define NTSCFirstActive (saa->boardcfg[4])
+#define PALFirstActive (saa->boardcfg[5])
+#define NTSCLastActive (saa->boardcfg[54])
+#define PALLastActive (saa->boardcfg[55])
+#define Have2MB (saa->boardcfg[18] & 0x40)
+#define HaveCS8420 (saa->boardcfg[18] & 0x04)
+#define IBMMPEGCD20 (saa->boardcfg[18] & 0x20)
+#define HaveCS3310 (saa->boardcfg[18] & 0x01)
+#define CS3310MaxLvl ((saa->boardcfg[30] << 8) | saa->boardcfg[31])
+#define HaveCS4341 (saa->boardcfg[40] == 2)
+#define SDIType (saa->boardcfg[27])
+#define CurrentMode (saa->boardcfg[2])
+
+#define debNormal (NewCard ? nDebNormal : oDebNormal)
+#define debNoInc (NewCard ? nDebNoInc : oDebNoInc)
+#define debVideo (NewCard ? nDebVideo : oDebVideo)
+#define debAudio (NewCard ? nDebAudio : oDebAudio)
+#define debDMA (NewCard ? nDebDMA : oDebDMA)
+
+#ifdef USE_RESCUE_EEPROM_SDM275
+static unsigned char rescue_eeprom[64] = {
+0x00,0x01,0x04,0x13,0x26,0x0f,0x10,0x00,0x00,0x00,0x43,0x63,0x22,0x01,0x29,0x15,0x73,0x00,0x1f, 'd', 'e', 'c', 'x', 'l', 'd', 'v', 'a',0x02,0x00,0x01,0x00,0xcc,0xa4,0x63,0x09,0xe2,0x10,0x00,0x0a,0x00,0x02,0x02, 'd', 'e', 'c', 'x', 'l', 'a',0x00,0x00,0x42,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
+};
+#endif
+
+/* ----------------------------------------------------------------------- */
+/* Hardware I2C functions */
+static void I2CWipe(struct saa7146 *saa)
+{
+ int i;
+ /* set i2c to ~=100kHz, abort transfer, clear busy */
+ saawrite(0x600 | SAA7146_I2C_ABORT, SAA7146_I2C_STATUS);
+ saawrite((SAA7146_MC2_UPLD_I2C << 16) |
+ SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
+ /* wait for i2c registers to be programmed */
+ for (i = 0; i < 1000 &&
+ !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
+ schedule();
+ saawrite(0x600, SAA7146_I2C_STATUS);
+ saawrite((SAA7146_MC2_UPLD_I2C << 16) |
+ SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
+ /* wait for i2c registers to be programmed */
+ for (i = 0; i < 1000 &&
+ !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
+ schedule();
+ saawrite(0x600, SAA7146_I2C_STATUS);
+ saawrite((SAA7146_MC2_UPLD_I2C << 16) |
+ SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
+ /* wait for i2c registers to be programmed */
+ for (i = 0; i < 1000 &&
+ !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
+ schedule();
+}
+
+/* read I2C */
+static int I2CRead(struct saa7146 *saa, unsigned char addr,
+ unsigned char subaddr, int dosub)
+{
+ int i;
+
+ if (saaread(SAA7146_I2C_STATUS) & 0x3c)
+ I2CWipe(saa);
+ for (i = 0; i < 1000 &&
+ (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++)
+ schedule();
+ if (i == 1000)
+ I2CWipe(saa);
+ if (dosub)
+ saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 8) |
+ ((subaddr & 0xff) << 16) | 0xed, SAA7146_I2C_TRANSFER);
+ else
+ saawrite(((addr & 0xfe) << 24) | (((addr | 1) & 0xff) << 16) |
+ 0xf1, SAA7146_I2C_TRANSFER);
+ saawrite((SAA7146_MC2_UPLD_I2C << 16) |
+ SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
+ /* wait for i2c registers to be programmed */
+ for (i = 0; i < 1000 &&
+ !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
+ schedule();
+ /* wait for valid data */
+ for (i = 0; i < 1000 &&
+ (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++)
+ schedule();
+ if (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_ERR)
+ return -1;
+ if (i == 1000)
+ printk("i2c setup read timeout\n");
+ saawrite(0x41, SAA7146_I2C_TRANSFER);
+ saawrite((SAA7146_MC2_UPLD_I2C << 16) |
+ SAA7146_MC2_UPLD_I2C, SAA7146_MC2);
+ /* wait for i2c registers to be programmed */
+ for (i = 0; i < 1000 &&
+ !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_I2C); i++)
+ schedule();
+ /* wait for valid data */
+ for (i = 0; i < 1000 &&
+ (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_BUSY); i++)
+ schedule();
+ if (saaread(SAA7146_I2C_TRANSFER) & SAA7146_I2C_ERR)
+ return -1;
+ if (i == 1000)
+ printk("i2c read timeout\n");
+ return ((saaread(SAA7146_I2C_TRANSFER) >> 24) & 0xff);
+}
+
+/* set both to write both bytes, reset it to write only b1 */
+
+static int I2CWrite(struct saa7146 *saa, unsigned char addr, unsigned char b1,
+ unsigned char b2, int both)
+{
+ int i;
+ u32 data;
+
+ if (saaread(SAA7146_I2C_STATUS) & 0x3c)
+ I2CWipe(saa);
+ for (i = 0; i < 1000 &&
+ (saaread(SAA7146_I2C_STATUS) & SAA7146_I2C_BUSY); i++)
+ schedule();
+ if (i == 1000)
+ I2CWipe(saa);
+ data = ((addr & 0xfe) << 24) | ((b1 & 0xff) << 16);
+ if (both)
+ data |= ((b2 & 0xff) << 8) | 0xe5;
+ else
+ data |= 0xd1;
+ saawrite(data, SAA7146_I2C_TRANSFER);
+ saawrite((SAA7146_MC2_UPLD_I2C << 16) | SAA7146_MC2_UPLD_I2C,
+ SAA7146_MC2);
+ return 0;
+}
+
+static void attach_inform(struct saa7146 *saa, int id)
+{
+ int i;
+
+ DEBUG(printk(KERN_DEBUG "stradis%d: i2c: device found=%02x\n", saa->nr, id));
+ if (id == 0xa0) { /* we have rev2 or later board, fill in info */
+ for (i = 0; i < 64; i++)
+ saa->boardcfg[i] = I2CRead(saa, 0xa0, i, 1);
+#ifdef USE_RESCUE_EEPROM_SDM275
+ if (saa->boardcfg[0] != 0) {
+ printk("stradis%d: WARNING: EEPROM STORED VALUES HAVE BEEN IGNORED\n", saa->nr);
+ for (i = 0; i < 64; i++)
+ saa->boardcfg[i] = rescue_eeprom[i];
+ }
+#endif
+ printk("stradis%d: config =", saa->nr);
+ for (i = 0; i < 51; i++) {
+ printk(" %02x",saa->boardcfg[i]);
+ }
+ printk("\n");
+ }
+}
+
+static void I2CBusScan(struct saa7146 *saa)
+{
+ int i;
+ for (i = 0; i < 0xff; i += 2)
+ if ((I2CRead(saa, i, 0, 0)) >= 0)
+ attach_inform(saa, i);
+}
+
+static int debiwait_maxwait = 0;
+
+static int wait_for_debi_done(struct saa7146 *saa)
+{
+ int i;
+
+ /* wait for registers to be programmed */
+ for (i = 0; i < 100000 &&
+ !(saaread(SAA7146_MC2) & SAA7146_MC2_UPLD_DEBI); i++)
+ saaread(SAA7146_MC2);
+ /* wait for transfer to complete */
+ for (i = 0; i < 500000 &&
+ (saaread(SAA7146_PSR) & SAA7146_PSR_DEBI_S); i++)
+ saaread(SAA7146_MC2);
+ if (i > debiwait_maxwait)
+ printk("wait-for-debi-done maxwait: %d\n",
+ debiwait_maxwait = i);
+
+ if (i == 500000)
+ return -1;
+ return 0;
+}
+
+static int debiwrite(struct saa7146 *saa, u32 config, int addr,
+ u32 val, int count)
+{
+ u32 cmd;
+ if (count <= 0 || count > 32764)
+ return -1;
+ if (wait_for_debi_done(saa) < 0)
+ return -1;
+ saawrite(config, SAA7146_DEBI_CONFIG);
+ if (count <= 4) /* immediate transfer */
+ saawrite(val, SAA7146_DEBI_AD);
+ else /* block transfer */
+ saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD);
+ saawrite((cmd = (count << 17) | (addr & 0xffff)), SAA7146_DEBI_COMMAND);
+ saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI,
+ SAA7146_MC2);
+ return 0;
+}
+
+static u32 debiread(struct saa7146 *saa, u32 config, int addr, int count)
+{
+ u32 result = 0;
+
+ if (count > 32764 || count <= 0)
+ return 0;
+ if (wait_for_debi_done(saa) < 0)
+ return 0;
+ saawrite(virt_to_bus(saa->dmadebi), SAA7146_DEBI_AD);
+ saawrite((count << 17) | 0x10000 | (addr & 0xffff),
+ SAA7146_DEBI_COMMAND);
+ saawrite(config, SAA7146_DEBI_CONFIG);
+ saawrite((SAA7146_MC2_UPLD_DEBI << 16) | SAA7146_MC2_UPLD_DEBI,
+ SAA7146_MC2);
+ if (count > 4) /* not an immediate transfer */
+ return count;
+ wait_for_debi_done(saa);
+ result = saaread(SAA7146_DEBI_AD);
+ if (count == 1)
+ result &= 0xff;
+ if (count == 2)
+ result &= 0xffff;
+ if (count == 3)
+ result &= 0xffffff;
+ return result;
+}
+
+#if 0 /* unused */
+/* MUST be a multiple of 8 bytes and 8-byte aligned and < 32768 bytes */
+/* data copied into saa->dmadebi buffer, caller must re-enable interrupts */
+static void ibm_block_dram_read(struct saa7146 *saa, int address, int bytes)
+{
+ int i, j;
+ u32 *buf;
+ buf = (u32 *) saa->dmadebi;
+ if (bytes > 0x7000)
+ bytes = 0x7000;
+ saawrite(0, SAA7146_IER); /* disable interrupts */
+ for (i=0; i < 10000 &&
+ (debiread(saa, debNormal, IBM_MP2_DRAM_CMD_STAT, 2)
+ & 0x8000); i++)
+ saaread(SAA7146_MC2);
+ if (i == 10000)
+ printk(KERN_ERR "stradis%d: dram_busy never cleared\n",
+ saa->nr);
+ debiwrite(saa, debNormal, IBM_MP2_SRC_ADDR, (address<<16) |
+ (address>>16), 4);
+ debiwrite(saa, debNormal, IBM_MP2_BLOCK_SIZE, bytes, 2);
+ debiwrite(saa, debNormal, IBM_MP2_CMD_STAT, 0x8a10, 2);
+ for (j = 0; j < bytes/4; j++) {
+ for (i = 0; i < 10000 &&
+ (!(debiread(saa, debNormal, IBM_MP2_DRAM_CMD_STAT, 2)
+ & 0x4000)); i++)
+ saaread(SAA7146_MC2);
+ if (i == 10000)
+ printk(KERN_ERR "stradis%d: dram_ready never set\n",
+ saa->nr);
+ buf[j] = debiread(saa, debNormal, IBM_MP2_DRAM_DATA, 4);
+ }
+}
+#endif /* unused */
+
+static void do_irq_send_data(struct saa7146 *saa)
+{
+ int split, audbytes, vidbytes;
+
+ saawrite(SAA7146_PSR_PIN1, SAA7146_IER);
+ /* if special feature mode in effect, disable audio sending */
+ if (saa->playmode != VID_PLAY_NORMAL)
+ saa->audtail = saa->audhead = 0;
+ if (saa->audhead <= saa->audtail)
+ audbytes = saa->audtail - saa->audhead;
+ else
+ audbytes = 65536 - (saa->audhead - saa->audtail);
+ if (saa->vidhead <= saa->vidtail)
+ vidbytes = saa->vidtail - saa->vidhead;
+ else
+ vidbytes = 524288 - (saa->vidhead - saa->vidtail);
+ if (audbytes == 0 && vidbytes == 0 && saa->osdtail == saa->osdhead) {
+ saawrite(0, SAA7146_IER);
+ return;
+ }
+ /* if at least 1 block audio waiting and audio fifo isn't full */
+ if (audbytes >= 2048 && (debiread(saa, debNormal,
+ IBM_MP2_AUD_FIFO, 2) & 0xff) < 60) {
+ if (saa->audhead > saa->audtail)
+ split = 65536 - saa->audhead;
+ else
+ split = 0;
+ audbytes = 2048;
+ if (split > 0 && split < 2048) {
+ memcpy(saa->dmadebi, saa->audbuf + saa->audhead,
+ split);
+ saa->audhead = 0;
+ audbytes -= split;
+ } else
+ split = 0;
+ memcpy(saa->dmadebi + split, saa->audbuf + saa->audhead,
+ audbytes);
+ saa->audhead += audbytes;
+ saa->audhead &= 0xffff;
+ debiwrite(saa, debAudio, (NewCard? IBM_MP2_AUD_FIFO :
+ IBM_MP2_AUD_FIFOW), 0, 2048);
+ wake_up_interruptible(&saa->audq);
+ /* if at least 1 block video waiting and video fifo isn't full */
+ } else if (vidbytes >= 30720 && (debiread(saa, debNormal,
+ IBM_MP2_FIFO, 2)) < 16384) {
+ if (saa->vidhead > saa->vidtail)
+ split = 524288 - saa->vidhead;
+ else
+ split = 0;
+ vidbytes = 30720;
+ if (split > 0 && split < 30720) {
+ memcpy(saa->dmadebi, saa->vidbuf + saa->vidhead,
+ split);
+ saa->vidhead = 0;
+ vidbytes -= split;
+ } else
+ split = 0;
+ memcpy(saa->dmadebi + split, saa->vidbuf + saa->vidhead,
+ vidbytes);
+ saa->vidhead += vidbytes;
+ saa->vidhead &= 0x7ffff;
+ debiwrite(saa, debVideo, (NewCard ? IBM_MP2_FIFO :
+ IBM_MP2_FIFOW), 0, 30720);
+ wake_up_interruptible(&saa->vidq);
+ }
+ saawrite(SAA7146_PSR_DEBI_S | SAA7146_PSR_PIN1, SAA7146_IER);
+}
+
+static void send_osd_data(struct saa7146 *saa)
+{
+ int size = saa->osdtail - saa->osdhead;
+ if (size > 30720)
+ size = 30720;
+ /* ensure some multiple of 8 bytes is transferred */
+ size = 8 * ((size + 8)>>3);
+ if (size) {
+ debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR,
+ (saa->osdhead>>3), 2);
+ memcpy(saa->dmadebi, &saa->osdbuf[saa->osdhead], size);
+ saa->osdhead += size;
+ /* block transfer of next 8 bytes to ~32k bytes */
+ debiwrite(saa, debNormal, IBM_MP2_OSD_DATA, 0, size);
+ }
+ if (saa->osdhead >= saa->osdtail) {
+ saa->osdhead = saa->osdtail = 0;
+ debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2);
+ }
+}
+
+static irqreturn_t saa7146_irq(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct saa7146 *saa = (struct saa7146 *) dev_id;
+ u32 stat, astat;
+ int count;
+ int handled = 0;
+
+ count = 0;
+ while (1) {
+ /* get/clear interrupt status bits */
+ stat = saaread(SAA7146_ISR);
+ astat = stat & saaread(SAA7146_IER);
+ if (!astat)
+ break;
+ handled = 1;
+ saawrite(astat, SAA7146_ISR);
+ if (astat & SAA7146_PSR_DEBI_S) {
+ do_irq_send_data(saa);
+ }
+ if (astat & SAA7146_PSR_PIN1) {
+ int istat;
+ /* the following read will trigger DEBI_S */
+ istat = debiread(saa, debNormal, IBM_MP2_HOST_INT, 2);
+ if (istat & 1) {
+ saawrite(0, SAA7146_IER);
+ send_osd_data(saa);
+ saawrite(SAA7146_PSR_DEBI_S |
+ SAA7146_PSR_PIN1, SAA7146_IER);
+ }
+ if (istat & 0x20) { /* Video Start */
+ saa->vidinfo.frame_count++;
+ }
+ if (istat & 0x400) { /* Picture Start */
+ /* update temporal reference */
+ }
+ if (istat & 0x200) { /* Picture Resolution Change */
+ /* read new resolution */
+ }
+ if (istat & 0x100) { /* New User Data found */
+ /* read new user data */
+ }
+ if (istat & 0x1000) { /* new GOP/SMPTE */
+ /* read new SMPTE */
+ }
+ if (istat & 0x8000) { /* Sequence Start Code */
+ /* reset frame counter, load sizes */
+ saa->vidinfo.frame_count = 0;
+ saa->vidinfo.h_size = 704;
+ saa->vidinfo.v_size = 480;
+#if 0
+ if (saa->endmarkhead != saa->endmarktail) {
+ saa->audhead =
+ saa->endmark[saa->endmarkhead];
+ saa->endmarkhead++;
+ if (saa->endmarkhead >= MAX_MARKS)
+ saa->endmarkhead = 0;
+ }
+#endif
+ }
+ if (istat & 0x4000) { /* Sequence Error Code */
+ if (saa->endmarkhead != saa->endmarktail) {
+ saa->audhead =
+ saa->endmark[saa->endmarkhead];
+ saa->endmarkhead++;
+ if (saa->endmarkhead >= MAX_MARKS)
+ saa->endmarkhead = 0;
+ }
+ }
+ }
+#ifdef IDEBUG
+ if (astat & SAA7146_PSR_PPEF) {
+ IDEBUG(printk("stradis%d irq: PPEF\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_PABO) {
+ IDEBUG(printk("stradis%d irq: PABO\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_PPED) {
+ IDEBUG(printk("stradis%d irq: PPED\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_RPS_I1) {
+ IDEBUG(printk("stradis%d irq: RPS_I1\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_RPS_I0) {
+ IDEBUG(printk("stradis%d irq: RPS_I0\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_RPS_LATE1) {
+ IDEBUG(printk("stradis%d irq: RPS_LATE1\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_RPS_LATE0) {
+ IDEBUG(printk("stradis%d irq: RPS_LATE0\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_RPS_E1) {
+ IDEBUG(printk("stradis%d irq: RPS_E1\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_RPS_E0) {
+ IDEBUG(printk("stradis%d irq: RPS_E0\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_RPS_TO1) {
+ IDEBUG(printk("stradis%d irq: RPS_TO1\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_RPS_TO0) {
+ IDEBUG(printk("stradis%d irq: RPS_TO0\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_UPLD) {
+ IDEBUG(printk("stradis%d irq: UPLD\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_DEBI_E) {
+ IDEBUG(printk("stradis%d irq: DEBI_E\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_I2C_S) {
+ IDEBUG(printk("stradis%d irq: I2C_S\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_I2C_E) {
+ IDEBUG(printk("stradis%d irq: I2C_E\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_A2_IN) {
+ IDEBUG(printk("stradis%d irq: A2_IN\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_A2_OUT) {
+ IDEBUG(printk("stradis%d irq: A2_OUT\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_A1_IN) {
+ IDEBUG(printk("stradis%d irq: A1_IN\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_A1_OUT) {
+ IDEBUG(printk("stradis%d irq: A1_OUT\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_AFOU) {
+ IDEBUG(printk("stradis%d irq: AFOU\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_V_PE) {
+ IDEBUG(printk("stradis%d irq: V_PE\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_VFOU) {
+ IDEBUG(printk("stradis%d irq: VFOU\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_FIDA) {
+ IDEBUG(printk("stradis%d irq: FIDA\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_FIDB) {
+ IDEBUG(printk("stradis%d irq: FIDB\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_PIN3) {
+ IDEBUG(printk("stradis%d irq: PIN3\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_PIN2) {
+ IDEBUG(printk("stradis%d irq: PIN2\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_PIN0) {
+ IDEBUG(printk("stradis%d irq: PIN0\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_ECS) {
+ IDEBUG(printk("stradis%d irq: ECS\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_EC3S) {
+ IDEBUG(printk("stradis%d irq: EC3S\n", saa->nr));
+ }
+ if (astat & SAA7146_PSR_EC0S) {
+ IDEBUG(printk("stradis%d irq: EC0S\n", saa->nr));
+ }
+#endif
+ count++;
+ if (count > 15)
+ printk(KERN_WARNING "stradis%d: irq loop %d\n",
+ saa->nr, count);
+ if (count > 20) {
+ saawrite(0, SAA7146_IER);
+ printk(KERN_ERR
+ "stradis%d: IRQ loop cleared\n", saa->nr);
+ }
+ }
+ return IRQ_RETVAL(handled);
+}
+
+static int ibm_send_command(struct saa7146 *saa,
+ int command, int data, int chain)
+{
+ int i;
+
+ if (chain)
+ debiwrite(saa, debNormal, IBM_MP2_COMMAND, (command << 1) | 1, 2);
+ else
+ debiwrite(saa, debNormal, IBM_MP2_COMMAND, command << 1, 2);
+ debiwrite(saa, debNormal, IBM_MP2_CMD_DATA, data, 2);
+ debiwrite(saa, debNormal, IBM_MP2_CMD_STAT, 1, 2);
+ for (i = 0; i < 100 &&
+ (debiread(saa, debNormal, IBM_MP2_CMD_STAT, 2) & 1); i++)
+ schedule();
+ if (i == 100)
+ return -1;
+ return 0;
+}
+
+static void cs4341_setlevel(struct saa7146 *saa, int left, int right)
+{
+ I2CWrite(saa, 0x22, 0x03, left > 94 ? 94 : left, 2);
+ I2CWrite(saa, 0x22, 0x04, right > 94 ? 94 : right, 2);
+}
+
+static void initialize_cs4341(struct saa7146 *saa)
+{
+ int i;
+ for (i = 0; i < 200; i++) {
+ /* auto mute off, power on, no de-emphasis */
+ /* I2S data up to 24-bit 64xFs internal SCLK */
+ I2CWrite(saa, 0x22, 0x01, 0x11, 2);
+ /* ATAPI mixer settings */
+ I2CWrite(saa, 0x22, 0x02, 0x49, 2);
+ /* attenuation left 3db */
+ I2CWrite(saa, 0x22, 0x03, 0x00, 2);
+ /* attenuation right 3db */
+ I2CWrite(saa, 0x22, 0x04, 0x00, 2);
+ I2CWrite(saa, 0x22, 0x01, 0x10, 2);
+ if (I2CRead(saa, 0x22, 0x02, 1) == 0x49)
+ break;
+ schedule();
+ }
+ printk("stradis%d: CS4341 initialized (%d)\n", saa->nr, i);
+ return;
+}
+
+static void initialize_cs8420(struct saa7146 *saa, int pro)
+{
+ int i;
+ u8 *sequence;
+ if (pro)
+ sequence = mode8420pro;
+ else
+ sequence = mode8420con;
+ for (i = 0; i < INIT8420LEN; i++)
+ I2CWrite(saa, 0x20, init8420[i * 2],
+ init8420[i * 2 + 1], 2);
+ for (i = 0; i < MODE8420LEN; i++)
+ I2CWrite(saa, 0x20, sequence[i * 2],
+ sequence[i * 2 + 1], 2);
+ printk("stradis%d: CS8420 initialized\n", saa->nr);
+}
+
+static void initialize_saa7121(struct saa7146 *saa, int dopal)
+{
+ int i, mod;
+ u8 *sequence;
+ if (dopal)
+ sequence = init7121pal;
+ else
+ sequence = init7121ntsc;
+ mod = saaread(SAA7146_PSR) & 0x08;
+ /* initialize PAL/NTSC video encoder */
+ for (i = 0; i < INIT7121LEN; i++) {
+ if (NewCard) { /* handle new card encoder differences */
+ if (sequence[i*2] == 0x3a)
+ I2CWrite(saa, 0x88, 0x3a, 0x13, 2);
+ else if (sequence[i*2] == 0x6b)
+ I2CWrite(saa, 0x88, 0x6b, 0x20, 2);
+ else if (sequence[i*2] == 0x6c)
+ I2CWrite(saa, 0x88, 0x6c,
+ dopal ? 0x09 : 0xf5, 2);
+ else if (sequence[i*2] == 0x6d)
+ I2CWrite(saa, 0x88, 0x6d,
+ dopal ? 0x20 : 0x00, 2);
+ else if (sequence[i*2] == 0x7a)
+ I2CWrite(saa, 0x88, 0x7a,
+ dopal ? (PALFirstActive - 1) :
+ (NTSCFirstActive - 4), 2);
+ else if (sequence[i*2] == 0x7b)
+ I2CWrite(saa, 0x88, 0x7b,
+ dopal ? PALLastActive :
+ NTSCLastActive, 2);
+ else I2CWrite(saa, 0x88, sequence[i * 2],
+ sequence[i * 2 + 1], 2);
+ } else {
+ if (sequence[i*2] == 0x6b && mod)
+ I2CWrite(saa, 0x88, 0x6b,
+ (sequence[i * 2 + 1] ^ 0x09), 2);
+ else if (sequence[i*2] == 0x7a)
+ I2CWrite(saa, 0x88, 0x7a,
+ dopal ? (PALFirstActive - 1) :
+ (NTSCFirstActive - 4), 2);
+ else if (sequence[i*2] == 0x7b)
+ I2CWrite(saa, 0x88, 0x7b,
+ dopal ? PALLastActive :
+ NTSCLastActive, 2);
+ else
+ I2CWrite(saa, 0x88, sequence[i * 2],
+ sequence[i * 2 + 1], 2);
+ }
+ }
+}
+
+static void set_genlock_offset(struct saa7146 *saa, int noffset)
+{
+ int nCode;
+ int PixelsPerLine = 858;
+ if (CurrentMode == VIDEO_MODE_PAL)
+ PixelsPerLine = 864;
+ if (noffset > 500)
+ noffset = 500;
+ else if (noffset < -500)
+ noffset = -500;
+ nCode = noffset + 0x100;
+ if (nCode == 1)
+ nCode = 0x401;
+ else if (nCode < 1) nCode = 0x400 + PixelsPerLine + nCode;
+ debiwrite(saa, debNormal, XILINX_GLDELAY, nCode, 2);
+}
+
+static void set_out_format(struct saa7146 *saa, int mode)
+{
+ initialize_saa7121(saa, (mode == VIDEO_MODE_NTSC ? 0 : 1));
+ saa->boardcfg[2] = mode;
+ /* do not adjust analog video parameters here, use saa7121 init */
+ /* you will affect the SDI output on the new card */
+ if (mode == VIDEO_MODE_PAL) { /* PAL */
+ debiwrite(saa, debNormal, XILINX_CTL0, 0x0808, 2);
+ mdelay(50);
+ saawrite(0x012002c0, SAA7146_NUM_LINE_BYTE1);
+ if (NewCard) {
+ debiwrite(saa, debNormal, IBM_MP2_DISP_MODE,
+ 0xe100, 2);
+ mdelay(50);
+ }
+ debiwrite(saa, debNormal, IBM_MP2_DISP_MODE,
+ NewCard ? 0xe500: 0x6500, 2);
+ debiwrite(saa, debNormal, IBM_MP2_DISP_DLY,
+ (1 << 8) |
+ (NewCard ? PALFirstActive : PALFirstActive-6), 2);
+ } else { /* NTSC */
+ debiwrite(saa, debNormal, XILINX_CTL0, 0x0800, 2);
+ mdelay(50);
+ saawrite(0x00f002c0, SAA7146_NUM_LINE_BYTE1);
+ debiwrite(saa, debNormal, IBM_MP2_DISP_MODE,
+ NewCard ? 0xe100: 0x6100, 2);
+ debiwrite(saa, debNormal, IBM_MP2_DISP_DLY,
+ (1 << 8) |
+ (NewCard ? NTSCFirstActive : NTSCFirstActive-6), 2);
+ }
+}
+
+
+/* Intialize bitmangler to map from a byte value to the mangled word that
+ * must be output to program the Xilinx part through the DEBI port.
+ * Xilinx Data Bit->DEBI Bit: 0->15 1->7 2->6 3->12 4->11 5->2 6->1 7->0
+ * transfer FPGA code, init IBM chip, transfer IBM microcode
+ * rev2 card mangles: 0->7 1->6 2->5 3->4 4->3 5->2 6->1 7->0
+ */
+static u16 bitmangler[256];
+
+static int initialize_fpga(struct video_code *bitdata)
+{
+ int i, num, startindex, failure = 0, loadtwo, loadfile = 0;
+ u16 *dmabuf;
+ u8 *newdma;
+ struct saa7146 *saa;
+
+ /* verify fpga code */
+ for (startindex = 0; startindex < bitdata->datasize; startindex++)
+ if (bitdata->data[startindex] == 255)
+ break;
+ if (startindex == bitdata->datasize) {
+ printk(KERN_INFO "stradis: bad fpga code\n");
+ return -1;
+ }
+ /* initialize all detected cards */
+ for (num = 0; num < saa_num; num++) {
+ saa = &saa7146s[num];
+ if (saa->boardcfg[0] > 20)
+ continue; /* card was programmed */
+ loadtwo = (saa->boardcfg[18] & 0x10);
+ if (!NewCard) /* we have an old board */
+ for (i = 0; i < 256; i++)
+ bitmangler[i] = ((i & 0x01) << 15) |
+ ((i & 0x02) << 6) | ((i & 0x04) << 4) |
+ ((i & 0x08) << 9) | ((i & 0x10) << 7) |
+ ((i & 0x20) >> 3) | ((i & 0x40) >> 5) |
+ ((i & 0x80) >> 7);
+ else /* else we have a new board */
+ for (i = 0; i < 256; i++)
+ bitmangler[i] = ((i & 0x01) << 7) |
+ ((i & 0x02) << 5) | ((i & 0x04) << 3) |
+ ((i & 0x08) << 1) | ((i & 0x10) >> 1) |
+ ((i & 0x20) >> 3) | ((i & 0x40) >> 5) |
+ ((i & 0x80) >> 7);
+
+ dmabuf = (u16 *) saa->dmadebi;
+ newdma = (u8 *) saa->dmadebi;
+ if (NewCard) { /* SDM2xxx */
+ if (!strncmp(bitdata->loadwhat, "decoder2", 8))
+ continue; /* fpga not for this card */
+ if (!strncmp(&saa->boardcfg[42],
+ bitdata->loadwhat, 8)) {
+ loadfile = 1;
+ } else if (loadtwo && !strncmp(&saa->boardcfg[19],
+ bitdata->loadwhat, 8)) {
+ loadfile = 2;
+ } else if (!saa->boardcfg[42] && /* special */
+ !strncmp("decxl", bitdata->loadwhat, 8)) {
+ loadfile = 1;
+ } else
+ continue; /* fpga not for this card */
+ if (loadfile != 1 && loadfile != 2) {
+ continue; /* skip to next card */
+ }
+ if (saa->boardcfg[0] && loadfile == 1 )
+ continue; /* skip to next card */
+ if (saa->boardcfg[0] != 1 && loadfile == 2)
+ continue; /* skip to next card */
+ saa->boardcfg[0]++; /* mark fpga handled */
+ printk("stradis%d: loading %s\n", saa->nr,
+ bitdata->loadwhat);
+ if (loadtwo && loadfile == 2)
+ goto send_fpga_stuff;
+ /* turn on the Audio interface to set PROG low */
+ saawrite(0x00400040, SAA7146_GPIO_CTRL);
+ saaread(SAA7146_PSR); /* ensure posted write */
+ /* wait for everyone to reset */
+ mdelay(10);
+ saawrite(0x00400000, SAA7146_GPIO_CTRL);
+ } else { /* original card */
+ if (strncmp(bitdata->loadwhat, "decoder2", 8))
+ continue; /* fpga not for this card */
+ /* Pull the Xilinx PROG signal WS3 low */
+ saawrite(0x02000200, SAA7146_MC1);
+ /* Turn on the Audio interface so can set PROG low */
+ saawrite(0x000000c0, SAA7146_ACON1);
+ /* Pull the Xilinx INIT signal (GPIO2) low */
+ saawrite(0x00400000, SAA7146_GPIO_CTRL);
+ /* Make sure everybody resets */
+ saaread(SAA7146_PSR); /* ensure posted write */
+ mdelay(10);
+ /* Release the Xilinx PROG signal */
+ saawrite(0x00000000, SAA7146_ACON1);
+ /* Turn off the Audio interface */
+ saawrite(0x02000000, SAA7146_MC1);
+ }
+ /* Release Xilinx INIT signal (WS2) */
+ saawrite(0x00000000, SAA7146_GPIO_CTRL);
+ /* Wait for the INIT to go High */
+ for (i = 0; i < 10000 &&
+ !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); i++)
+ schedule();
+ if (i == 1000) {
+ printk(KERN_INFO "stradis%d: no fpga INIT\n", saa->nr);
+ return -1;
+ }
+send_fpga_stuff:
+ if (NewCard) {
+ for (i = startindex; i < bitdata->datasize; i++)
+ newdma[i - startindex] =
+ bitmangler[bitdata->data[i]];
+ debiwrite(saa, 0x01420000, 0, 0,
+ ((bitdata->datasize - startindex) + 5));
+ if (loadtwo) {
+ if (loadfile == 1) {
+ printk("stradis%d: "
+ "awaiting 2nd FPGA bitfile\n",
+ saa->nr);
+ continue; /* skip to next card */
+ }
+
+ }
+ } else {
+ for (i = startindex; i < bitdata->datasize; i++)
+ dmabuf[i - startindex] =
+ bitmangler[bitdata->data[i]];
+ debiwrite(saa, 0x014a0000, 0, 0,
+ ((bitdata->datasize - startindex) + 5) * 2);
+ }
+ for (i = 0; i < 1000 &&
+ !(saaread(SAA7146_PSR) & SAA7146_PSR_PIN2); i++)
+ schedule();
+ if (i == 1000) {
+ printk(KERN_INFO "stradis%d: FPGA load failed\n",
+ saa->nr);
+ failure++;
+ continue;
+ }
+ if (!NewCard) {
+ /* Pull the Xilinx INIT signal (GPIO2) low */
+ saawrite(0x00400000, SAA7146_GPIO_CTRL);
+ saaread(SAA7146_PSR); /* ensure posted write */
+ mdelay(2);
+ saawrite(0x00000000, SAA7146_GPIO_CTRL);
+ mdelay(2);
+ }
+ printk(KERN_INFO "stradis%d: FPGA Loaded\n", saa->nr);
+ saa->boardcfg[0] = 26; /* mark fpga programmed */
+ /* set VXCO to its lowest frequency */
+ debiwrite(saa, debNormal, XILINX_PWM, 0, 2);
+ if (NewCard) {
+ /* mute CS3310 */
+ if (HaveCS3310)
+ debiwrite(saa, debNormal, XILINX_CS3310_CMPLT,
+ 0, 2);
+ /* set VXCO to PWM mode, release reset, blank on */
+ debiwrite(saa, debNormal, XILINX_CTL0, 0xffc4, 2);
+ mdelay(10);
+ /* unmute CS3310 */
+ if (HaveCS3310)
+ debiwrite(saa, debNormal, XILINX_CTL0,
+ 0x2020, 2);
+ }
+ /* set source Black */
+ debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2);
+ saa->boardcfg[4] = 22; /* set NTSC First Active Line */
+ saa->boardcfg[5] = 23; /* set PAL First Active Line */
+ saa->boardcfg[54] = 2; /* set NTSC Last Active Line - 256 */
+ saa->boardcfg[55] = 54; /* set PAL Last Active Line - 256 */
+ set_out_format(saa, VIDEO_MODE_NTSC);
+ mdelay(50);
+ /* begin IBM chip init */
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2);
+ saaread(SAA7146_PSR); /* wait for reset */
+ mdelay(5);
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2);
+ debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2);
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0x10, 2);
+ debiwrite(saa, debNormal, IBM_MP2_CMD_ADDR, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2);
+ if (NewCard) {
+ mdelay(5);
+ /* set i2s rate converter to 48KHz */
+ debiwrite(saa, debNormal, 0x80c0, 6, 2);
+ /* we must init CS8420 first since rev b pulls i2s */
+ /* master clock low and CS4341 needs i2s master to */
+ /* run the i2c port. */
+ if (HaveCS8420) {
+ /* 0=consumer, 1=pro */
+ initialize_cs8420(saa, 0);
+ }
+ mdelay(5);
+ if (HaveCS4341)
+ initialize_cs4341(saa);
+ }
+ debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2);
+ debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2);
+ debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2);
+ if (NewCard)
+ set_genlock_offset(saa, 0);
+ debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2);
+#if 0
+ /* enable genlock */
+ debiwrite(saa, debNormal, XILINX_CTL0, 0x8000, 2);
+#else
+ /* disable genlock */
+ debiwrite(saa, debNormal, XILINX_CTL0, 0x8080, 2);
+#endif
+ }
+ return failure;
+}
+
+static int do_ibm_reset(struct saa7146 *saa)
+{
+ /* failure if decoder not previously programmed */
+ if (saa->boardcfg[0] < 37)
+ return -EIO;
+ /* mute CS3310 */
+ if (HaveCS3310)
+ debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, 0, 2);
+ /* disable interrupts */
+ saawrite(0, SAA7146_IER);
+ saa->audhead = saa->audtail = 0;
+ saa->vidhead = saa->vidtail = 0;
+ /* tristate debi bus, disable debi transfers */
+ saawrite(0x00880000, SAA7146_MC1);
+ /* ensure posted write */
+ saaread(SAA7146_MC1);
+ mdelay(50);
+ /* re-enable debi transfers */
+ saawrite(0x00880088, SAA7146_MC1);
+ /* set source Black */
+ debiwrite(saa, debNormal, XILINX_CTL0, 0x1707, 2);
+ /* begin IBM chip init */
+ set_out_format(saa, CurrentMode);
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 4, 2);
+ saaread(SAA7146_PSR); /* wait for reset */
+ mdelay(5);
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, 0, 2);
+ debiread(saa, debNormal, IBM_MP2_CHIP_CONTROL, 2);
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2);
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_MODE, 0x2e, 2);
+ if (NewCard) {
+ mdelay(5);
+ /* set i2s rate converter to 48KHz */
+ debiwrite(saa, debNormal, 0x80c0, 6, 2);
+ /* we must init CS8420 first since rev b pulls i2s */
+ /* master clock low and CS4341 needs i2s master to */
+ /* run the i2c port. */
+ if (HaveCS8420) {
+ /* 0=consumer, 1=pro */
+ initialize_cs8420(saa, 1);
+ }
+ mdelay(5);
+ if (HaveCS4341)
+ initialize_cs4341(saa);
+ }
+ debiwrite(saa, debNormal, IBM_MP2_INFC_CTL, 0x48, 2);
+ debiwrite(saa, debNormal, IBM_MP2_BEEP_CTL, 0xa000, 2);
+ debiwrite(saa, debNormal, IBM_MP2_DISP_LBOR, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_DISP_TBOR, 0, 2);
+ if (NewCard)
+ set_genlock_offset(saa, 0);
+ debiwrite(saa, debNormal, IBM_MP2_FRNT_ATTEN, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2);
+ debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2);
+ if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER,
+ (ChipControl == 0x43 ? 0xe800 : 0xe000), 1)) {
+ printk(KERN_ERR "stradis%d: IBM config failed\n", saa->nr);
+ }
+ if (HaveCS3310) {
+ int i = CS3310MaxLvl;
+ debiwrite(saa, debNormal, XILINX_CS3310_CMPLT, ((i<<8)|i), 2);
+ }
+ /* start video decoder */
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL, ChipControl, 2);
+ /* 256k vid, 3520 bytes aud */
+ debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD, 0x4037, 2);
+ debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2);
+ ibm_send_command(saa, IBM_MP2_PLAY, 0, 0);
+ /* enable buffer threshold irq */
+ debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2);
+ /* clear pending interrupts */
+ debiread(saa, debNormal, IBM_MP2_HOST_INT, 2);
+ debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2);
+ return 0;
+}
+
+/* load the decoder microcode */
+static int initialize_ibmmpeg2(struct video_code *microcode)
+{
+ int i, num;
+ struct saa7146 *saa;
+
+ for (num = 0; num < saa_num; num++) {
+ saa = &saa7146s[num];
+ /* check that FPGA is loaded */
+ debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0xa55a, 2);
+ if ((i = debiread(saa, debNormal, IBM_MP2_OSD_SIZE, 2)) !=
+ 0xa55a) {
+ printk(KERN_INFO "stradis%d: %04x != 0xa55a\n",
+ saa->nr, i);
+#if 0
+ return -1;
+#endif
+ }
+ if (!strncmp(microcode->loadwhat, "decoder.vid", 11)) {
+ if (saa->boardcfg[0] > 27)
+ continue; /* skip to next card */
+ /* load video control store */
+ saa->boardcfg[1] = 0x13; /* no-sync default */
+ debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2);
+ debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2);
+ for (i = 0; i < microcode->datasize / 2; i++)
+ debiwrite(saa, debNormal, IBM_MP2_PROC_IDATA,
+ (microcode->data[i * 2] << 8) |
+ microcode->data[i * 2 + 1], 2);
+ debiwrite(saa, debNormal, IBM_MP2_PROC_IADDR, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL,
+ ChipControl, 2);
+ saa->boardcfg[0] = 28;
+ }
+ if (!strncmp(microcode->loadwhat, "decoder.aud", 11)) {
+ if (saa->boardcfg[0] > 35)
+ continue; /* skip to next card */
+ /* load audio control store */
+ debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 1, 2);
+ debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2);
+ for (i = 0; i < microcode->datasize; i++)
+ debiwrite(saa, debNormal, IBM_MP2_AUD_IDATA,
+ microcode->data[i], 1);
+ debiwrite(saa, debNormal, IBM_MP2_AUD_IADDR, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_WR_PROT, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_OSD_SIZE, 0x2000, 2);
+ debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4552, 2);
+ if (ibm_send_command(saa, IBM_MP2_CONFIG_DECODER,
+ 0xe000, 1)) {
+ printk(KERN_ERR
+ "stradis%d: IBM config failed\n",
+ saa->nr);
+ return -1;
+ }
+ /* set PWM to center value */
+ if (NewCard) {
+ debiwrite(saa, debNormal, XILINX_PWM,
+ saa->boardcfg[14] +
+ (saa->boardcfg[13]<<8), 2);
+ } else
+ debiwrite(saa, debNormal, XILINX_PWM,
+ 0x46, 2);
+ if (HaveCS3310) {
+ i = CS3310MaxLvl;
+ debiwrite(saa, debNormal,
+ XILINX_CS3310_CMPLT, ((i<<8)|i), 2);
+ }
+ printk(KERN_INFO
+ "stradis%d: IBM MPEGCD%d Initialized\n",
+ saa->nr, 18 + (debiread(saa, debNormal,
+ IBM_MP2_CHIP_CONTROL, 2) >> 12));
+ /* start video decoder */
+ debiwrite(saa, debNormal, IBM_MP2_CHIP_CONTROL,
+ ChipControl, 2);
+ debiwrite(saa, debNormal, IBM_MP2_RB_THRESHOLD,
+ 0x4037, 2); /* 256k vid, 3520 bytes aud */
+ debiwrite(saa, debNormal, IBM_MP2_AUD_CTL, 0x4573, 2);
+ ibm_send_command(saa, IBM_MP2_PLAY, 0, 0);
+ /* enable buffer threshold irq */
+ debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00c, 2);
+ debiread(saa, debNormal, IBM_MP2_HOST_INT, 2);
+ /* enable gpio irq */
+ saawrite(0x00002000, SAA7146_GPIO_CTRL);
+ /* enable decoder output to HPS */
+ debiwrite(saa, debNormal, XILINX_CTL0, 0x1711, 2);
+ saa->boardcfg[0] = 37;
+ }
+ }
+ return 0;
+}
+
+static u32 palette2fmt[] =
+{ /* some of these YUV translations are wrong */
+ 0xffffffff, 0x86000000, 0x87000000, 0x80000000, 0x8100000, 0x82000000,
+ 0x83000000, 0x00000000, 0x03000000, 0x03000000, 0x0a00000, 0x03000000,
+ 0x06000000, 0x00000000, 0x03000000, 0x0a000000, 0x0300000
+};
+static int bpp2fmt[4] =
+{
+ VIDEO_PALETTE_HI240, VIDEO_PALETTE_RGB565, VIDEO_PALETTE_RGB24,
+ VIDEO_PALETTE_RGB32
+};
+
+/* I wish I could find a formula to calculate these... */
+static u32 h_prescale[64] =
+{
+ 0x10000000, 0x18040202, 0x18080000, 0x380c0606, 0x38100204, 0x38140808,
+ 0x38180000, 0x381c0000, 0x3820161c, 0x38242a3b, 0x38281230, 0x382c4460,
+ 0x38301040, 0x38340080, 0x38380000, 0x383c0000, 0x3840fefe, 0x3844ee9f,
+ 0x3848ee9f, 0x384cee9f, 0x3850ee9f, 0x38542a3b, 0x38581230, 0x385c0000,
+ 0x38600000, 0x38640000, 0x38680000, 0x386c0000, 0x38700000, 0x38740000,
+ 0x38780000, 0x387c0000, 0x30800000, 0x38840000, 0x38880000, 0x388c0000,
+ 0x38900000, 0x38940000, 0x38980000, 0x389c0000, 0x38a00000, 0x38a40000,
+ 0x38a80000, 0x38ac0000, 0x38b00000, 0x38b40000, 0x38b80000, 0x38bc0000,
+ 0x38c00000, 0x38c40000, 0x38c80000, 0x38cc0000, 0x38d00000, 0x38d40000,
+ 0x38d80000, 0x38dc0000, 0x38e00000, 0x38e40000, 0x38e80000, 0x38ec0000,
+ 0x38f00000, 0x38f40000, 0x38f80000, 0x38fc0000,
+};
+static u32 v_gain[64] =
+{
+ 0x016000ff, 0x016100ff, 0x016100ff, 0x016200ff, 0x016200ff, 0x016200ff,
+ 0x016200ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff, 0x016300ff,
+ 0x016300ff, 0x016300ff, 0x016300ff, 0x016400ff, 0x016400ff, 0x016400ff,
+ 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
+ 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
+ 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
+ 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
+ 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
+ 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
+ 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
+ 0x016400ff, 0x016400ff, 0x016400ff, 0x016400ff,
+};
+
+
+static void saa7146_set_winsize(struct saa7146 *saa)
+{
+ u32 format;
+ int offset, yacl, ysci;
+ saa->win.color_fmt = format =
+ (saa->win.depth == 15) ? palette2fmt[VIDEO_PALETTE_RGB555] :
+ palette2fmt[bpp2fmt[(saa->win.bpp - 1) & 3]];
+ offset = saa->win.x * saa->win.bpp + saa->win.y * saa->win.bpl;
+ saawrite(saa->win.vidadr + offset, SAA7146_BASE_EVEN1);
+ saawrite(saa->win.vidadr + offset + saa->win.bpl, SAA7146_BASE_ODD1);
+ saawrite(saa->win.bpl * 2, SAA7146_PITCH1);
+ saawrite(saa->win.vidadr + saa->win.bpl * saa->win.sheight,
+ SAA7146_PROT_ADDR1);
+ saawrite(0, SAA7146_PAGE1);
+ saawrite(format|0x60, SAA7146_CLIP_FORMAT_CTRL);
+ offset = (704 / (saa->win.width - 1)) & 0x3f;
+ saawrite(h_prescale[offset], SAA7146_HPS_H_PRESCALE);
+ offset = (720896 / saa->win.width) / (offset + 1);
+ saawrite((offset<<12)|0x0c, SAA7146_HPS_H_SCALE);
+ if (CurrentMode == VIDEO_MODE_NTSC) {
+ yacl = /*(480 / saa->win.height - 1) & 0x3f*/ 0;
+ ysci = 1024 - (saa->win.height * 1024 / 480);
+ } else {
+ yacl = /*(576 / saa->win.height - 1) & 0x3f*/ 0;
+ ysci = 1024 - (saa->win.height * 1024 / 576);
+ }
+ saawrite((1<<31)|(ysci<<21)|(yacl<<15), SAA7146_HPS_V_SCALE);
+ saawrite(v_gain[yacl], SAA7146_HPS_V_GAIN);
+ saawrite(((SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_HPS_V |
+ SAA7146_MC2_UPLD_HPS_H) << 16) | (SAA7146_MC2_UPLD_DMA1 |
+ SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_HPS_H),
+ SAA7146_MC2);
+}
+
+/* clip_draw_rectangle(cm,x,y,w,h) -- handle clipping an area
+ * bitmap is fixed width, 128 bytes (1024 pixels represented)
+ * arranged most-sigificant-bit-left in 32-bit words
+ * based on saa7146 clipping hardware, it swaps bytes if LE
+ * much of this makes up for egcs brain damage -- so if you
+ * are wondering "why did he do this?" it is because the C
+ * was adjusted to generate the optimal asm output without
+ * writing non-portable __asm__ directives.
+ */
+
+static void clip_draw_rectangle(u32 *clipmap, int x, int y, int w, int h)
+{
+ register int startword, endword;
+ register u32 bitsleft, bitsright;
+ u32 *temp;
+ if (x < 0) {
+ w += x;
+ x = 0;
+ }
+ if (y < 0) {
+ h += y;
+ y = 0;
+ }
+ if (w <= 0 || h <= 0 || x > 1023 || y > 639)
+ return; /* throw away bad clips */
+ if (x + w > 1024)
+ w = 1024 - x;
+ if (y + h > 640)
+ h = 640 - y;
+ startword = (x >> 5);
+ endword = ((x + w) >> 5);
+ bitsleft = (0xffffffff >> (x & 31));
+ bitsright = (0xffffffff << (~((x + w) - (endword<<5))));
+ temp = &clipmap[(y<<5) + startword];
+ w = endword - startword;
+ if (!w) {
+ bitsleft |= bitsright;
+ for (y = 0; y < h; y++) {
+ *temp |= bitsleft;
+ temp += 32;
+ }
+ } else {
+ for (y = 0; y < h; y++) {
+ *temp++ |= bitsleft;
+ for (x = 1; x < w; x++)
+ *temp++ = 0xffffffff;
+ *temp |= bitsright;
+ temp += (32 - w);
+ }
+ }
+}
+
+static void make_clip_tab(struct saa7146 *saa, struct video_clip *cr, int ncr)
+{
+ int i, width, height;
+ u32 *clipmap;
+
+ clipmap = saa->dmavid2;
+ if((width=saa->win.width)>1023)
+ width = 1023; /* sanity check */
+ if((height=saa->win.height)>640)
+ height = 639; /* sanity check */
+ if (ncr > 0) { /* rectangles pased */
+ /* convert rectangular clips to a bitmap */
+ memset(clipmap, 0, VIDEO_CLIPMAP_SIZE); /* clear map */
+ for (i = 0; i < ncr; i++)
+ clip_draw_rectangle(clipmap, cr[i].x, cr[i].y,
+ cr[i].width, cr[i].height);
+ }
+ /* clip against viewing window AND screen
+ so we do not have to rely on the user program
+ */
+ clip_draw_rectangle(clipmap,(saa->win.x+width>saa->win.swidth) ?
+ (saa->win.swidth-saa->win.x) : width, 0, 1024, 768);
+ clip_draw_rectangle(clipmap,0,(saa->win.y+height>saa->win.sheight) ?
+ (saa->win.sheight-saa->win.y) : height,1024,768);
+ if (saa->win.x<0)
+ clip_draw_rectangle(clipmap, 0, 0, -(saa->win.x), 768);
+ if (saa->win.y<0)
+ clip_draw_rectangle(clipmap, 0, 0, 1024, -(saa->win.y));
+}
+
+static int saa_ioctl(struct inode *inode, struct file *file,
+ unsigned int cmd, unsigned long argl)
+{
+ struct saa7146 *saa = file->private_data;
+ void __user *arg = (void __user *)argl;
+
+ switch (cmd) {
+ case VIDIOCGCAP:
+ {
+ struct video_capability b;
+ strcpy(b.name, saa->video_dev.name);
+ b.type = VID_TYPE_CAPTURE |
+ VID_TYPE_OVERLAY |
+ VID_TYPE_CLIPPING |
+ VID_TYPE_FRAMERAM |
+ VID_TYPE_SCALES;
+ b.channels = 1;
+ b.audios = 1;
+ b.maxwidth = 768;
+ b.maxheight = 576;
+ b.minwidth = 32;
+ b.minheight = 32;
+ if (copy_to_user(arg, &b, sizeof(b)))
+ return -EFAULT;
+ return 0;
+ }
+ case VIDIOCGPICT:
+ {
+ struct video_picture p = saa->picture;
+ if (saa->win.depth == 8)
+ p.palette = VIDEO_PALETTE_HI240;
+ if (saa->win.depth == 15)
+ p.palette = VIDEO_PALETTE_RGB555;
+ if (saa->win.depth == 16)
+ p.palette = VIDEO_PALETTE_RGB565;
+ if (saa->win.depth == 24)
+ p.palette = VIDEO_PALETTE_RGB24;
+ if (saa->win.depth == 32)
+ p.palette = VIDEO_PALETTE_RGB32;
+ if (copy_to_user(arg, &p, sizeof(p)))
+ return -EFAULT;
+ return 0;
+ }
+ case VIDIOCSPICT:
+ {
+ struct video_picture p;
+ u32 format;
+ if (copy_from_user(&p, arg, sizeof(p)))
+ return -EFAULT;
+ if (p.palette < sizeof(palette2fmt) / sizeof(u32)) {
+ format = palette2fmt[p.palette];
+ saa->win.color_fmt = format;
+ saawrite(format|0x60, SAA7146_CLIP_FORMAT_CTRL);
+ }
+ saawrite(((p.brightness & 0xff00) << 16) |
+ ((p.contrast & 0xfe00) << 7) |
+ ((p.colour & 0xfe00) >> 9), SAA7146_BCS_CTRL);
+ saa->picture = p;
+ /* upload changed registers */
+ saawrite(((SAA7146_MC2_UPLD_HPS_H |
+ SAA7146_MC2_UPLD_HPS_V) << 16) |
+ SAA7146_MC2_UPLD_HPS_H | SAA7146_MC2_UPLD_HPS_V,
+ SAA7146_MC2);
+ return 0;
+ }
+ case VIDIOCSWIN:
+ {
+ struct video_window vw;
+ struct video_clip *vcp = NULL;
+
+ if (copy_from_user(&vw, arg, sizeof(vw)))
+ return -EFAULT;
+
+ if (vw.flags || vw.width < 16 || vw.height < 16) { /* stop capture */
+ saawrite((SAA7146_MC1_TR_E_1 << 16), SAA7146_MC1);
+ return -EINVAL;
+ }
+ if (saa->win.bpp < 4) { /* 32-bit align start and adjust width */
+ int i = vw.x;
+ vw.x = (vw.x + 3) & ~3;
+ i = vw.x - i;
+ vw.width -= i;
+ }
+ saa->win.x = vw.x;
+ saa->win.y = vw.y;
+ saa->win.width = vw.width;
+ if (saa->win.width > 768)
+ saa->win.width = 768;
+ saa->win.height = vw.height;
+ if (CurrentMode == VIDEO_MODE_NTSC) {
+ if (saa->win.height > 480)
+ saa->win.height = 480;
+ } else {
+ if (saa->win.height > 576)
+ saa->win.height = 576;
+ }
+
+ /* stop capture */
+ saawrite((SAA7146_MC1_TR_E_1 << 16), SAA7146_MC1);
+ saa7146_set_winsize(saa);
+
+ /*
+ * Do any clips.
+ */
+ if (vw.clipcount < 0) {
+ if (copy_from_user(saa->dmavid2, vw.clips,
+ VIDEO_CLIPMAP_SIZE))
+ return -EFAULT;
+ }
+ else if (vw.clipcount > 16384) {
+ return -EINVAL;
+ } else if (vw.clipcount > 0) {
+ if ((vcp = vmalloc(sizeof(struct video_clip) *
+ (vw.clipcount))) == NULL)
+ return -ENOMEM;
+ if (copy_from_user(vcp, vw.clips,
+ sizeof(struct video_clip) *
+ vw.clipcount)) {
+ vfree(vcp);
+ return -EFAULT;
+ }
+ } else /* nothing clipped */
+ memset(saa->dmavid2, 0, VIDEO_CLIPMAP_SIZE);
+ make_clip_tab(saa, vcp, vw.clipcount);
+ if (vw.clipcount > 0)
+ vfree(vcp);
+
+ /* start capture & clip dma if we have an address */
+ if ((saa->cap & 3) && saa->win.vidadr != 0)
+ saawrite(((SAA7146_MC1_TR_E_1 |
+ SAA7146_MC1_TR_E_2) << 16) | 0xffff,
+ SAA7146_MC1);
+ return 0;
+ }
+ case VIDIOCGWIN:
+ {
+ struct video_window vw;
+ vw.x = saa->win.x;
+ vw.y = saa->win.y;
+ vw.width = saa->win.width;
+ vw.height = saa->win.height;
+ vw.chromakey = 0;
+ vw.flags = 0;
+ if (copy_to_user(arg, &vw, sizeof(vw)))
+ return -EFAULT;
+ return 0;
+ }
+ case VIDIOCCAPTURE:
+ {
+ int v;
+ if (copy_from_user(&v, arg, sizeof(v)))
+ return -EFAULT;
+ if (v == 0) {
+ saa->cap &= ~1;
+ saawrite((SAA7146_MC1_TR_E_1 << 16),
+ SAA7146_MC1);
+ } else {
+ if (saa->win.vidadr == 0 || saa->win.width == 0
+ || saa->win.height == 0)
+ return -EINVAL;
+ saa->cap |= 1;
+ saawrite((SAA7146_MC1_TR_E_1 << 16) | 0xffff,
+ SAA7146_MC1);
+ }
+ return 0;
+ }
+ case VIDIOCGFBUF:
+ {
+ struct video_buffer v;
+ v.base = (void *) saa->win.vidadr;
+ v.height = saa->win.sheight;
+ v.width = saa->win.swidth;
+ v.depth = saa->win.depth;
+ v.bytesperline = saa->win.bpl;
+ if (copy_to_user(arg, &v, sizeof(v)))
+ return -EFAULT;
+ return 0;
+
+ }
+ case VIDIOCSFBUF:
+ {
+ struct video_buffer v;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ if (copy_from_user(&v, arg, sizeof(v)))
+ return -EFAULT;
+ if (v.depth != 8 && v.depth != 15 && v.depth != 16 &&
+ v.depth != 24 && v.depth != 32 && v.width > 16 &&
+ v.height > 16 && v.bytesperline > 16)
+ return -EINVAL;
+ if (v.base)
+ saa->win.vidadr = (unsigned long) v.base;
+ saa->win.sheight = v.height;
+ saa->win.swidth = v.width;
+ saa->win.bpp = ((v.depth + 7) & 0x38) / 8;
+ saa->win.depth = v.depth;
+ saa->win.bpl = v.bytesperline;
+
+ DEBUG(printk("Display at %p is %d by %d, bytedepth %d, bpl %d\n",
+ v.base, v.width, v.height, saa->win.bpp, saa->win.bpl));
+ saa7146_set_winsize(saa);
+ return 0;
+ }
+ case VIDIOCKEY:
+ {
+ /* Will be handled higher up .. */
+ return 0;
+ }
+
+ case VIDIOCGAUDIO:
+ {
+ struct video_audio v;
+ v = saa->audio_dev;
+ v.flags &= ~(VIDEO_AUDIO_MUTE | VIDEO_AUDIO_MUTABLE);
+ v.flags |= VIDEO_AUDIO_MUTABLE | VIDEO_AUDIO_VOLUME;
+ strcpy(v.name, "MPEG");
+ v.mode = VIDEO_SOUND_STEREO;
+ if (copy_to_user(arg, &v, sizeof(v)))
+ return -EFAULT;
+ return 0;
+ }
+ case VIDIOCSAUDIO:
+ {
+ struct video_audio v;
+ int i;
+ if (copy_from_user(&v, arg, sizeof(v)))
+ return -EFAULT;
+ i = (~(v.volume>>8))&0xff;
+ if (!HaveCS4341) {
+ if (v.flags & VIDEO_AUDIO_MUTE) {
+ debiwrite(saa, debNormal,
+ IBM_MP2_FRNT_ATTEN,
+ 0xffff, 2);
+ }
+ if (!(v.flags & VIDEO_AUDIO_MUTE))
+ debiwrite(saa, debNormal,
+ IBM_MP2_FRNT_ATTEN,
+ 0x0000, 2);
+ if (v.flags & VIDEO_AUDIO_VOLUME)
+ debiwrite(saa, debNormal,
+ IBM_MP2_FRNT_ATTEN,
+ (i<<8)|i, 2);
+ } else {
+ if (v.flags & VIDEO_AUDIO_MUTE)
+ cs4341_setlevel(saa, 0xff, 0xff);
+ if (!(v.flags & VIDEO_AUDIO_MUTE))
+ cs4341_setlevel(saa, 0, 0);
+ if (v.flags & VIDEO_AUDIO_VOLUME)
+ cs4341_setlevel(saa, i, i);
+ }
+ saa->audio_dev = v;
+ return 0;
+ }
+
+ case VIDIOCGUNIT:
+ {
+ struct video_unit vu;
+ vu.video = saa->video_dev.minor;
+ vu.vbi = VIDEO_NO_UNIT;
+ vu.radio = VIDEO_NO_UNIT;
+ vu.audio = VIDEO_NO_UNIT;
+ vu.teletext = VIDEO_NO_UNIT;
+ if (copy_to_user(arg, &vu, sizeof(vu)))
+ return -EFAULT;
+ return 0;
+ }
+ case VIDIOCSPLAYMODE:
+ {
+ struct video_play_mode pmode;
+ if (copy_from_user((void *) &pmode, arg,
+ sizeof(struct video_play_mode)))
+ return -EFAULT;
+ switch (pmode.mode) {
+ case VID_PLAY_VID_OUT_MODE:
+ if (pmode.p1 != VIDEO_MODE_NTSC &&
+ pmode.p1 != VIDEO_MODE_PAL)
+ return -EINVAL;
+ set_out_format(saa, pmode.p1);
+ return 0;
+ case VID_PLAY_GENLOCK:
+ debiwrite(saa, debNormal,
+ XILINX_CTL0,
+ (pmode.p1 ? 0x8000 : 0x8080),
+ 2);
+ if (NewCard)
+ set_genlock_offset(saa,
+ pmode.p2);
+ return 0;
+ case VID_PLAY_NORMAL:
+ debiwrite(saa, debNormal,
+ IBM_MP2_CHIP_CONTROL,
+ ChipControl, 2);
+ ibm_send_command(saa,
+ IBM_MP2_PLAY, 0, 0);
+ saa->playmode = pmode.mode;
+ return 0;
+ case VID_PLAY_PAUSE:
+ /* IBM removed the PAUSE command */
+ /* they say use SINGLE_FRAME now */
+ case VID_PLAY_SINGLE_FRAME:
+ ibm_send_command(saa,
+ IBM_MP2_SINGLE_FRAME,
+ 0, 0);
+ if (saa->playmode == pmode.mode) {
+ debiwrite(saa, debNormal,
+ IBM_MP2_CHIP_CONTROL,
+ ChipControl, 2);
+ }
+ saa->playmode = pmode.mode;
+ return 0;
+ case VID_PLAY_FAST_FORWARD:
+ ibm_send_command(saa,
+ IBM_MP2_FAST_FORWARD, 0, 0);
+ saa->playmode = pmode.mode;
+ return 0;
+ case VID_PLAY_SLOW_MOTION:
+ ibm_send_command(saa,
+ IBM_MP2_SLOW_MOTION,
+ pmode.p1, 0);
+ saa->playmode = pmode.mode;
+ return 0;
+ case VID_PLAY_IMMEDIATE_NORMAL:
+ /* ensure transfers resume */
+ debiwrite(saa, debNormal,
+ IBM_MP2_CHIP_CONTROL,
+ ChipControl, 2);
+ ibm_send_command(saa,
+ IBM_MP2_IMED_NORM_PLAY, 0, 0);
+ saa->playmode = VID_PLAY_NORMAL;
+ return 0;
+ case VID_PLAY_SWITCH_CHANNELS:
+ saa->audhead = saa->audtail = 0;
+ saa->vidhead = saa->vidtail = 0;
+ ibm_send_command(saa,
+ IBM_MP2_FREEZE_FRAME, 0, 1);
+ ibm_send_command(saa,
+ IBM_MP2_RESET_AUD_RATE, 0, 1);
+ debiwrite(saa, debNormal,
+ IBM_MP2_CHIP_CONTROL, 0, 2);
+ ibm_send_command(saa,
+ IBM_MP2_CHANNEL_SWITCH, 0, 1);
+ debiwrite(saa, debNormal,
+ IBM_MP2_CHIP_CONTROL,
+ ChipControl, 2);
+ ibm_send_command(saa,
+ IBM_MP2_PLAY, 0, 0);
+ saa->playmode = VID_PLAY_NORMAL;
+ return 0;
+ case VID_PLAY_FREEZE_FRAME:
+ ibm_send_command(saa,
+ IBM_MP2_FREEZE_FRAME, 0, 0);
+ saa->playmode = pmode.mode;
+ return 0;
+ case VID_PLAY_STILL_MODE:
+ ibm_send_command(saa,
+ IBM_MP2_SET_STILL_MODE, 0, 0);
+ saa->playmode = pmode.mode;
+ return 0;
+ case VID_PLAY_MASTER_MODE:
+ if (pmode.p1 == VID_PLAY_MASTER_NONE)
+ saa->boardcfg[1] = 0x13;
+ else if (pmode.p1 ==
+ VID_PLAY_MASTER_VIDEO)
+ saa->boardcfg[1] = 0x23;
+ else if (pmode.p1 ==
+ VID_PLAY_MASTER_AUDIO)
+ saa->boardcfg[1] = 0x43;
+ else
+ return -EINVAL;
+ debiwrite(saa, debNormal,
+ IBM_MP2_CHIP_CONTROL,
+ ChipControl, 2);
+ return 0;
+ case VID_PLAY_ACTIVE_SCANLINES:
+ if (CurrentMode == VIDEO_MODE_PAL) {
+ if (pmode.p1 < 1 ||
+ pmode.p2 > 625)
+ return -EINVAL;
+ saa->boardcfg[5] = pmode.p1;
+ saa->boardcfg[55] = (pmode.p1 +
+ (pmode.p2/2) - 1) &
+ 0xff;
+ } else {
+ if (pmode.p1 < 4 ||
+ pmode.p2 > 525)
+ return -EINVAL;
+ saa->boardcfg[4] = pmode.p1;
+ saa->boardcfg[54] = (pmode.p1 +
+ (pmode.p2/2) - 4) &
+ 0xff;
+ }
+ set_out_format(saa, CurrentMode);
+ case VID_PLAY_RESET:
+ return do_ibm_reset(saa);
+ case VID_PLAY_END_MARK:
+ if (saa->endmarktail <
+ saa->endmarkhead) {
+ if (saa->endmarkhead -
+ saa->endmarktail < 2)
+ return -ENOSPC;
+ } else if (saa->endmarkhead <=
+ saa->endmarktail) {
+ if (saa->endmarktail -
+ saa->endmarkhead >
+ (MAX_MARKS - 2))
+ return -ENOSPC;
+ } else
+ return -ENOSPC;
+ saa->endmark[saa->endmarktail] =
+ saa->audtail;
+ saa->endmarktail++;
+ if (saa->endmarktail >= MAX_MARKS)
+ saa->endmarktail = 0;
+ }
+ return -EINVAL;
+ }
+ case VIDIOCSWRITEMODE:
+ {
+ int mode;
+ if (copy_from_user((void *) &mode, arg, sizeof(int)))
+ return -EFAULT;
+ if (mode == VID_WRITE_MPEG_AUD ||
+ mode == VID_WRITE_MPEG_VID ||
+ mode == VID_WRITE_CC ||
+ mode == VID_WRITE_TTX ||
+ mode == VID_WRITE_OSD) {
+ saa->writemode = mode;
+ return 0;
+ }
+ return -EINVAL;
+ }
+ case VIDIOCSMICROCODE:
+ {
+ struct video_code ucode;
+ __u8 *udata;
+ int i;
+ if (copy_from_user(&ucode, arg, sizeof(ucode)))
+ return -EFAULT;
+ if (ucode.datasize > 65536 || ucode.datasize < 1024 ||
+ strncmp(ucode.loadwhat, "dec", 3))
+ return -EINVAL;
+ if ((udata = vmalloc(ucode.datasize)) == NULL)
+ return -ENOMEM;
+ if (copy_from_user(udata, ucode.data, ucode.datasize)) {
+ vfree(udata);
+ return -EFAULT;
+ }
+ ucode.data = udata;
+ if (!strncmp(ucode.loadwhat, "decoder.aud", 11)
+ || !strncmp(ucode.loadwhat, "decoder.vid", 11))
+ i = initialize_ibmmpeg2(&ucode);
+ else
+ i = initialize_fpga(&ucode);
+ vfree(udata);
+ if (i)
+ return -EINVAL;
+ return 0;
+
+ }
+ case VIDIOCGCHAN: /* this makes xawtv happy */
+ {
+ struct video_channel v;
+ if (copy_from_user(&v, arg, sizeof(v)))
+ return -EFAULT;
+ v.flags = VIDEO_VC_AUDIO;
+ v.tuners = 0;
+ v.type = VID_TYPE_MPEG_DECODER;
+ v.norm = CurrentMode;
+ strcpy(v.name, "MPEG2");
+ if (copy_to_user(arg, &v, sizeof(v)))
+ return -EFAULT;
+ return 0;
+ }
+ case VIDIOCSCHAN: /* this makes xawtv happy */
+ {
+ struct video_channel v;
+ if (copy_from_user(&v, arg, sizeof(v)))
+ return -EFAULT;
+ /* do nothing */
+ return 0;
+ }
+ default:
+ return -ENOIOCTLCMD;
+ }
+ return 0;
+}
+
+static int saa_mmap(struct file *file, struct vm_area_struct *vma)
+{
+ struct saa7146 *saa = file->private_data;
+ printk(KERN_DEBUG "stradis%d: saa_mmap called\n", saa->nr);
+ return -EINVAL;
+}
+
+static ssize_t saa_read(struct file *file, char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ return -EINVAL;
+}
+
+static ssize_t saa_write(struct file *file, const char __user *buf,
+ size_t count, loff_t *ppos)
+{
+ struct saa7146 *saa = file->private_data;
+ unsigned long todo = count;
+ int blocksize, split;
+ unsigned long flags;
+
+ while (todo > 0) {
+ if (saa->writemode == VID_WRITE_MPEG_AUD) {
+ spin_lock_irqsave(&saa->lock, flags);
+ if (saa->audhead <= saa->audtail)
+ blocksize = 65536-(saa->audtail - saa->audhead);
+ else
+ blocksize = saa->audhead - saa->audtail;
+ spin_unlock_irqrestore(&saa->lock, flags);
+ if (blocksize < 16384) {
+ saawrite(SAA7146_PSR_DEBI_S |
+ SAA7146_PSR_PIN1, SAA7146_IER);
+ saawrite(SAA7146_PSR_PIN1, SAA7146_PSR);
+ /* wait for buffer space to open */
+ interruptible_sleep_on(&saa->audq);
+ }
+ spin_lock_irqsave(&saa->lock, flags);
+ if (saa->audhead <= saa->audtail) {
+ blocksize = 65536-(saa->audtail - saa->audhead);
+ split = 65536 - saa->audtail;
+ } else {
+ blocksize = saa->audhead - saa->audtail;
+ split = 65536;
+ }
+ spin_unlock_irqrestore(&saa->lock, flags);
+ blocksize--;
+ if (blocksize > todo)
+ blocksize = todo;
+ /* double check that we really have space */
+ if (!blocksize)
+ return -ENOSPC;
+ if (split < blocksize) {
+ if (copy_from_user(saa->audbuf +
+ saa->audtail, buf, split))
+ return -EFAULT;
+ buf += split;
+ todo -= split;
+ blocksize -= split;
+ saa->audtail = 0;
+ }
+ if (copy_from_user(saa->audbuf + saa->audtail, buf,
+ blocksize))
+ return -EFAULT;
+ saa->audtail += blocksize;
+ todo -= blocksize;
+ buf += blocksize;
+ saa->audtail &= 0xffff;
+ } else if (saa->writemode == VID_WRITE_MPEG_VID) {
+ spin_lock_irqsave(&saa->lock, flags);
+ if (saa->vidhead <= saa->vidtail)
+ blocksize=524288-(saa->vidtail - saa->vidhead);
+ else
+ blocksize = saa->vidhead - saa->vidtail;
+ spin_unlock_irqrestore(&saa->lock, flags);
+ if (blocksize < 65536) {
+ saawrite(SAA7146_PSR_DEBI_S |
+ SAA7146_PSR_PIN1, SAA7146_IER);
+ saawrite(SAA7146_PSR_PIN1, SAA7146_PSR);
+ /* wait for buffer space to open */
+ interruptible_sleep_on(&saa->vidq);
+ }
+ spin_lock_irqsave(&saa->lock, flags);
+ if (saa->vidhead <= saa->vidtail) {
+ blocksize=524288-(saa->vidtail - saa->vidhead);
+ split = 524288 - saa->vidtail;
+ } else {
+ blocksize = saa->vidhead - saa->vidtail;
+ split = 524288;
+ }
+ spin_unlock_irqrestore(&saa->lock, flags);
+ blocksize--;
+ if (blocksize > todo)
+ blocksize = todo;
+ /* double check that we really have space */
+ if (!blocksize)
+ return -ENOSPC;
+ if (split < blocksize) {
+ if (copy_from_user(saa->vidbuf +
+ saa->vidtail, buf, split))
+ return -EFAULT;
+ buf += split;
+ todo -= split;
+ blocksize -= split;
+ saa->vidtail = 0;
+ }
+ if (copy_from_user(saa->vidbuf + saa->vidtail, buf,
+ blocksize))
+ return -EFAULT;
+ saa->vidtail += blocksize;
+ todo -= blocksize;
+ buf += blocksize;
+ saa->vidtail &= 0x7ffff;
+ } else if (saa->writemode == VID_WRITE_OSD) {
+ if (count > 131072)
+ return -ENOSPC;
+ if (copy_from_user(saa->osdbuf, buf, count))
+ return -EFAULT;
+ buf += count;
+ saa->osdhead = 0;
+ saa->osdtail = count;
+ debiwrite(saa, debNormal, IBM_MP2_OSD_ADDR, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_OSD_LINK_ADDR, 0, 2);
+ debiwrite(saa, debNormal, IBM_MP2_MASK0, 0xc00d, 2);
+ debiwrite(saa, debNormal, IBM_MP2_DISP_MODE,
+ debiread(saa, debNormal,
+ IBM_MP2_DISP_MODE, 2) | 1, 2);
+ /* trigger osd data transfer */
+ saawrite(SAA7146_PSR_DEBI_S |
+ SAA7146_PSR_PIN1, SAA7146_IER);
+ saawrite(SAA7146_PSR_PIN1, SAA7146_PSR);
+ }
+ }
+ return count;
+}
+
+static int saa_open(struct inode *inode, struct file *file)
+{
+ struct saa7146 *saa = NULL;
+ unsigned int minor = iminor(inode);
+ int i;
+
+ for (i = 0; i < SAA7146_MAX; i++) {
+ if (saa7146s[i].video_dev.minor == minor) {
+ saa = &saa7146s[i];
+ }
+ }
+ if (saa == NULL) {
+ return -ENODEV;
+ }
+ file->private_data = saa;
+
+ //saa->video_dev.busy = 0; /* old hack to support multiple open */
+ saa->user++;
+ if (saa->user > 1)
+ return 0; /* device open already, don't reset */
+ saa->writemode = VID_WRITE_MPEG_VID; /* default to video */
+ return 0;
+}
+
+static int saa_release(struct inode *inode, struct file *file)
+{
+ struct saa7146 *saa = file->private_data;
+ saa->user--;
+ //saa->video_dev.busy = 0; /* old hack to support multiple open */
+ if (saa->user > 0) /* still someone using device */
+ return 0;
+ saawrite(0x007f0000, SAA7146_MC1); /* stop all overlay dma */
+ return 0;
+}
+
+static struct file_operations saa_fops =
+{
+ .owner = THIS_MODULE,
+ .open = saa_open,
+ .release = saa_release,
+ .ioctl = saa_ioctl,
+ .read = saa_read,
+ .llseek = no_llseek,
+ .write = saa_write,
+ .mmap = saa_mmap,
+};
+
+/* template for video_device-structure */
+static struct video_device saa_template =
+{
+ .name = "SAA7146A",
+ .type = VID_TYPE_CAPTURE | VID_TYPE_OVERLAY,
+ .hardware = VID_HARDWARE_SAA7146,
+ .fops = &saa_fops,
+ .minor = -1,
+};
+
+static int configure_saa7146(struct pci_dev *dev, int num)
+{
+ int result;
+ struct saa7146 *saa;
+
+ saa = &saa7146s[num];
+
+ saa->endmarkhead = saa->endmarktail = 0;
+ saa->win.x = saa->win.y = 0;
+ saa->win.width = saa->win.cropwidth = 720;
+ saa->win.height = saa->win.cropheight = 480;
+ saa->win.cropx = saa->win.cropy = 0;
+ saa->win.bpp = 2;
+ saa->win.depth = 16;
+ saa->win.color_fmt = palette2fmt[VIDEO_PALETTE_RGB565];
+ saa->win.bpl = 1024 * saa->win.bpp;
+ saa->win.swidth = 1024;
+ saa->win.sheight = 768;
+ saa->picture.brightness = 32768;
+ saa->picture.contrast = 38768;
+ saa->picture.colour = 32768;
+ saa->cap = 0;
+ saa->dev = dev;
+ saa->nr = num;
+ saa->playmode = VID_PLAY_NORMAL;
+ memset(saa->boardcfg, 0, 64); /* clear board config area */
+ saa->saa7146_mem = NULL;
+ saa->dmavid1 = saa->dmavid2 = saa->dmavid3 = saa->dmaa1in =
+ saa->dmaa1out = saa->dmaa2in = saa->dmaa2out =
+ saa->pagevid1 = saa->pagevid2 = saa->pagevid3 = saa->pagea1in =
+ saa->pagea1out = saa->pagea2in = saa->pagea2out =
+ saa->pagedebi = saa->dmaRPS1 = saa->dmaRPS2 = saa->pageRPS1 =
+ saa->pageRPS2 = NULL;
+ saa->audbuf = saa->vidbuf = saa->osdbuf = saa->dmadebi = NULL;
+ saa->audhead = saa->vidtail = 0;
+
+ init_waitqueue_head(&saa->i2cq);
+ init_waitqueue_head(&saa->audq);
+ init_waitqueue_head(&saa->debiq);
+ init_waitqueue_head(&saa->vidq);
+ spin_lock_init(&saa->lock);
+
+ if (pci_enable_device(dev))
+ return -EIO;
+
+ saa->id = dev->device;
+ saa->irq = dev->irq;
+ saa->video_dev.minor = -1;
+ saa->saa7146_adr = pci_resource_start(dev, 0);
+ pci_read_config_byte(dev, PCI_CLASS_REVISION, &saa->revision);
+
+ saa->saa7146_mem = ioremap(saa->saa7146_adr, 0x200);
+ if (!saa->saa7146_mem)
+ return -EIO;
+
+ memcpy(&saa->video_dev, &saa_template, sizeof(saa_template));
+ saawrite(0, SAA7146_IER); /* turn off all interrupts */
+ result = request_irq(saa->irq, saa7146_irq,
+ SA_SHIRQ | SA_INTERRUPT, "stradis", (void *) saa);
+ if (result == -EINVAL)
+ printk(KERN_ERR "stradis%d: Bad irq number or handler\n",
+ num);
+ if (result == -EBUSY)
+ printk(KERN_ERR "stradis%d: IRQ %ld busy, change your PnP"
+ " config in BIOS\n", num, saa->irq);
+ if (result < 0) {
+ iounmap(saa->saa7146_mem);
+ return result;
+ }
+ pci_set_master(dev);
+ if (video_register_device(&saa->video_dev, VFL_TYPE_GRABBER, video_nr) < 0) {
+ iounmap(saa->saa7146_mem);
+ return -1;
+ }
+ return 0;
+}
+
+static int init_saa7146(int i)
+{
+ struct saa7146 *saa = &saa7146s[i];
+
+ saa->user = 0;
+ /* reset the saa7146 */
+ saawrite(0xffff0000, SAA7146_MC1);
+ mdelay(5);
+ /* enable debi and i2c transfers and pins */
+ saawrite(((SAA7146_MC1_EDP | SAA7146_MC1_EI2C |
+ SAA7146_MC1_TR_E_DEBI) << 16) | 0xffff, SAA7146_MC1);
+ /* ensure proper state of chip */
+ saawrite(0x00000000, SAA7146_PAGE1);
+ saawrite(0x00f302c0, SAA7146_NUM_LINE_BYTE1);
+ saawrite(0x00000000, SAA7146_PAGE2);
+ saawrite(0x01400080, SAA7146_NUM_LINE_BYTE2);
+ saawrite(0x00000000, SAA7146_DD1_INIT);
+ saawrite(0x00000000, SAA7146_DD1_STREAM_B);
+ saawrite(0x00000000, SAA7146_DD1_STREAM_A);
+ saawrite(0x00000000, SAA7146_BRS_CTRL);
+ saawrite(0x80400040, SAA7146_BCS_CTRL);
+ saawrite(0x0000e000 /*| (1<<29)*/, SAA7146_HPS_CTRL);
+ saawrite(0x00000060, SAA7146_CLIP_FORMAT_CTRL);
+ saawrite(0x00000000, SAA7146_ACON1);
+ saawrite(0x00000000, SAA7146_ACON2);
+ saawrite(0x00000600, SAA7146_I2C_STATUS);
+ saawrite(((SAA7146_MC2_UPLD_D1_B | SAA7146_MC2_UPLD_D1_A |
+ SAA7146_MC2_UPLD_BRS | SAA7146_MC2_UPLD_HPS_H |
+ SAA7146_MC2_UPLD_HPS_V | SAA7146_MC2_UPLD_DMA2 |
+ SAA7146_MC2_UPLD_DMA1 | SAA7146_MC2_UPLD_I2C) << 16) | 0xffff,
+ SAA7146_MC2);
+ /* setup arbitration control registers */
+ saawrite(0x1412121a, SAA7146_PCI_BT_V1);
+
+ /* allocate 32k dma buffer + 4k for page table */
+ if ((saa->dmadebi = kmalloc(32768 + 4096, GFP_KERNEL)) == NULL) {
+ printk(KERN_ERR "stradis%d: debi kmalloc failed\n", i);
+ return -1;
+ }
+#if 0
+ saa->pagedebi = saa->dmadebi + 32768; /* top 4k is for mmu */
+ saawrite(virt_to_bus(saa->pagedebi) /*|0x800 */ , SAA7146_DEBI_PAGE);
+ for (i = 0; i < 12; i++) /* setup mmu page table */
+ saa->pagedebi[i] = virt_to_bus((saa->dmadebi + i * 4096));
+#endif
+ saa->audhead = saa->vidhead = saa->osdhead = 0;
+ saa->audtail = saa->vidtail = saa->osdtail = 0;
+ if (saa->vidbuf == NULL)
+ if ((saa->vidbuf = vmalloc(524288)) == NULL) {
+ printk(KERN_ERR "stradis%d: malloc failed\n", saa->nr);
+ return -ENOMEM;
+ }
+ if (saa->audbuf == NULL)
+ if ((saa->audbuf = vmalloc(65536)) == NULL) {
+ printk(KERN_ERR "stradis%d: malloc failed\n", saa->nr);
+ vfree(saa->vidbuf);
+ saa->vidbuf = NULL;
+ return -ENOMEM;
+ }
+ if (saa->osdbuf == NULL)
+ if ((saa->osdbuf = vmalloc(131072)) == NULL) {
+ printk(KERN_ERR "stradis%d: malloc failed\n", saa->nr);
+ vfree(saa->vidbuf);
+ vfree(saa->audbuf);
+ saa->vidbuf = saa->audbuf = NULL;
+ return -ENOMEM;
+ }
+ /* allocate 81920 byte buffer for clipping */
+ if ((saa->dmavid2 = kmalloc(VIDEO_CLIPMAP_SIZE, GFP_KERNEL)) == NULL) {
+ printk(KERN_ERR "stradis%d: clip kmalloc failed\n", saa->nr);
+ vfree(saa->vidbuf);
+ vfree(saa->audbuf);
+ vfree(saa->osdbuf);
+ saa->vidbuf = saa->audbuf = saa->osdbuf = NULL;
+ saa->dmavid2 = NULL;
+ return -1;
+ }
+ memset(saa->dmavid2, 0x00, VIDEO_CLIPMAP_SIZE); /* clip everything */
+ /* setup clipping registers */
+ saawrite(virt_to_bus(saa->dmavid2), SAA7146_BASE_EVEN2);
+ saawrite(virt_to_bus(saa->dmavid2) + 128, SAA7146_BASE_ODD2);
+ saawrite(virt_to_bus(saa->dmavid2) + VIDEO_CLIPMAP_SIZE,
+ SAA7146_PROT_ADDR2);
+ saawrite(256, SAA7146_PITCH2);
+ saawrite(4, SAA7146_PAGE2); /* dma direction: read, no byteswap */
+ saawrite(((SAA7146_MC2_UPLD_DMA2) << 16) | SAA7146_MC2_UPLD_DMA2,
+ SAA7146_MC2);
+ I2CBusScan(saa);
+ return 0;
+}
+
+static void release_saa(void)
+{
+ u8 command;
+ int i;
+ struct saa7146 *saa;
+
+ for (i = 0; i < saa_num; i++) {
+ saa = &saa7146s[i];
+
+ /* turn off all capturing, DMA and IRQs */
+ saawrite(0xffff0000, SAA7146_MC1); /* reset chip */
+ saawrite(0, SAA7146_MC2);
+ saawrite(0, SAA7146_IER);
+ saawrite(0xffffffffUL, SAA7146_ISR);
+
+ /* disable PCI bus-mastering */
+ pci_read_config_byte(saa->dev, PCI_COMMAND, &command);
+ command &= ~PCI_COMMAND_MASTER;
+ pci_write_config_byte(saa->dev, PCI_COMMAND, command);
+
+ /* unmap and free memory */
+ saa->audhead = saa->audtail = saa->osdhead = 0;
+ saa->vidhead = saa->vidtail = saa->osdtail = 0;
+ vfree(saa->vidbuf);
+ vfree(saa->audbuf);
+ vfree(saa->osdbuf);
+ if (saa->dmavid2)
+ kfree((void *) saa->dmavid2);
+ saa->audbuf = saa->vidbuf = saa->osdbuf = NULL;
+ saa->dmavid2 = NULL;
+ if (saa->dmadebi)
+ kfree((void *) saa->dmadebi);
+ if (saa->dmavid1)
+ kfree((void *) saa->dmavid1);
+ if (saa->dmavid2)
+ kfree((void *) saa->dmavid2);
+ if (saa->dmavid3)
+ kfree((void *) saa->dmavid3);
+ if (saa->dmaa1in)
+ kfree((void *) saa->dmaa1in);
+ if (saa->dmaa1out)
+ kfree((void *) saa->dmaa1out);
+ if (saa->dmaa2in)
+ kfree((void *) saa->dmaa2in);
+ if (saa->dmaa2out)
+ kfree((void *) saa->dmaa2out);
+ if (saa->dmaRPS1)
+ kfree((void *) saa->dmaRPS1);
+ if (saa->dmaRPS2)
+ kfree((void *) saa->dmaRPS2);
+ free_irq(saa->irq, saa);
+ if (saa->saa7146_mem)
+ iounmap(saa->saa7146_mem);
+ if (saa->video_dev.minor != -1)
+ video_unregister_device(&saa->video_dev);
+ }
+}
+
+
+static int __init stradis_init (void)
+{
+ struct pci_dev *dev = NULL;
+ int result = 0, i;
+
+ saa_num = 0;
+
+ while ((dev = pci_find_device(PCI_VENDOR_ID_PHILIPS, PCI_DEVICE_ID_PHILIPS_SAA7146, dev))) {
+ if (!dev->subsystem_vendor)
+ printk(KERN_INFO "stradis%d: rev1 decoder\n", saa_num);
+ else
+ printk(KERN_INFO "stradis%d: SDM2xx found\n", saa_num);
+ result = configure_saa7146(dev, saa_num++);
+ if (result)
+ return result;
+ }
+ if (saa_num)
+ printk(KERN_INFO "stradis: %d card(s) found.\n", saa_num);
+ else
+ return -EINVAL;
+ for (i = 0; i < saa_num; i++)
+ if (init_saa7146(i) < 0) {
+ release_saa();
+ return -EIO;
+ }
+ return 0;
+}
+
+
+static void __exit stradis_exit (void)
+{
+ release_saa();
+ printk(KERN_INFO "stradis: module cleanup complete\n");
+}
+
+
+module_init(stradis_init);
+module_exit(stradis_exit);
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 22:10:12 +0000