patch-2.4.0-test7 linux/drivers/char/saa7111.c

• Lines: 419
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.0-test6/linux/drivers/char/saa7111.c
• Orig date: Tue Jan 4 13:57:16 2000

diff -u --recursive --new-file v2.4.0-test6/linux/drivers/char/saa7111.c linux/drivers/char/saa7111.c
@@ -1,418 +0,0 @@
-/* 
-   saa7111 - Philips SAA7111A video decoder driver version 0.0.3
-
-   Copyright (C) 1998 Dave Perks <dperks@ibm.net>
-
-   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/malloc.h>
-#include <linux/mm.h>
-#include <linux/pci.h>
-#include <linux/signal.h>
-#include <asm/io.h>
-#include <asm/pgtable.h>
-#include <asm/page.h>
-#include <linux/sched.h>
-#include <asm/segment.h>
-#include <linux/types.h>
-#include <linux/wrapper.h>
-
-#include <linux/videodev.h>
-#include <linux/version.h>
-#include <asm/uaccess.h>
-
-#include <linux/i2c-old.h>
-#include <linux/video_decoder.h>
-
-#define DEBUG(x)		/* Debug driver */
-
-/* ----------------------------------------------------------------------- */
-
-struct saa7111 {
-	struct i2c_bus *bus;
-	int addr;
-	unsigned char reg[32];
-
-	int norm;
-	int input;
-	int enable;
-	int bright;
-	int contrast;
-	int hue;
-	int sat;
-};
-
-#define   I2C_SAA7111        0x48
-
-#define   I2C_DELAY   10
-
-/* ----------------------------------------------------------------------- */
-
-static int saa7111_write(struct saa7111 *dev, unsigned char subaddr, unsigned char data)
-{
-	int ack;
-
-	LOCK_I2C_BUS(dev->bus);
-	i2c_start(dev->bus);
-	i2c_sendbyte(dev->bus, dev->addr, I2C_DELAY);
-	i2c_sendbyte(dev->bus, subaddr, I2C_DELAY);
-	ack = i2c_sendbyte(dev->bus, data, I2C_DELAY);
-	dev->reg[subaddr] = data;
-	i2c_stop(dev->bus);
-	UNLOCK_I2C_BUS(dev->bus);
-	return ack;
-}
-
-static int saa7111_write_block(struct saa7111 *dev, unsigned const char *data, unsigned int len)
-{
-	int ack = 0;
-	unsigned subaddr;
-
-	while (len > 1) {
-		LOCK_I2C_BUS(dev->bus);
-		i2c_start(dev->bus);
-		i2c_sendbyte(dev->bus, dev->addr, I2C_DELAY);
-		ack = i2c_sendbyte(dev->bus, (subaddr = *data++), I2C_DELAY);
-		ack = i2c_sendbyte(dev->bus, (dev->reg[subaddr] = *data++), I2C_DELAY);
-		len -= 2;
-		while (len > 1 && *data == ++subaddr) {
-			data++;
-			ack = i2c_sendbyte(dev->bus, (dev->reg[subaddr] = *data++), I2C_DELAY);
-			len -= 2;
-		}
-		i2c_stop(dev->bus);
-		UNLOCK_I2C_BUS(dev->bus);
-	}
-	return ack;
-}
-
-static int saa7111_read(struct saa7111 *dev, unsigned char subaddr)
-{
-	int data;
-
-	LOCK_I2C_BUS(dev->bus);
-	i2c_start(dev->bus);
-	i2c_sendbyte(dev->bus, dev->addr, I2C_DELAY);
-	i2c_sendbyte(dev->bus, subaddr, I2C_DELAY);
-	i2c_start(dev->bus);
-	i2c_sendbyte(dev->bus, dev->addr | 1, I2C_DELAY);
-	data = i2c_readbyte(dev->bus, 1);
-	i2c_stop(dev->bus);
-	UNLOCK_I2C_BUS(dev->bus);
-	return data;
-}
-
-/* ----------------------------------------------------------------------- */
-
-static int saa7111_attach(struct i2c_device *device)
-{
-	int i;
-	struct saa7111 *decoder;
-
-	static const unsigned char init[] =
-	{
-		0x00, 0x00,	/* 00 - ID byte */
-		0x01, 0x00,	/* 01 - reserved */
-
-	/*front end */
-		0x02, 0xd0,	/* 02 - FUSE=3, GUDL=2, MODE=0 */
-		0x03, 0x23,	/* 03 - HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */
-		0x04, 0x00,	/* 04 - GAI1=256 */
-		0x05, 0x00,	/* 05 - GAI2=256 */
-
-	/* decoder */
-		0x06, 0xf6,	/* 06 - HSB at  13(50Hz) /  17(60Hz) pixels after end of last line */
-		0x07, 0xdd,	/* 07 - HSS at 113(50Hz) / 117(60Hz) pixels after end of last line */
-		0x08, 0xc8,	/* 08 - AUFD=1, FSEL=1, EXFIL=0, VTRC=1, HPLL=0, VNOI=0 */
-		0x09, 0x01,	/* 09 - BYPS=0, PREF=0, BPSS=0, VBLB=0, UPTCV=0, APER=1 */
-		0x0a, 0x80,	/* 0a - BRIG=128 */
-		0x0b, 0x47,	/* 0b - CONT=1.109 */
-		0x0c, 0x40,	/* 0c - SATN=1.0 */
-		0x0d, 0x00,	/* 0d - HUE=0 */
-		0x0e, 0x01,	/* 0e - CDTO=0, CSTD=0, DCCF=0, FCTC=0, CHBW=1 */
-		0x0f, 0x00,	/* 0f - reserved */
-		0x10, 0x48,	/* 10 - OFTS=1, HDEL=0, VRLN=1, YDEL=0 */
-		0x11, 0x1c,	/* 11 - GPSW=0, CM99=0, FECO=0, COMPO=1, OEYC=1, OEHV=1, VIPB=0, COLO=0 */
-		0x12, 0x00,	/* 12 - output control 2 */
-		0x13, 0x00,	/* 13 - output control 3 */
-		0x14, 0x00,	/* 14 - reserved */
-		0x15, 0x00,	/* 15 - VBI */
-		0x16, 0x00,	/* 16 - VBI */
-		0x17, 0x00,	/* 17 - VBI */
-	};
-
-	device->data = decoder = kmalloc(sizeof(struct saa7111), GFP_KERNEL);
-	if (decoder == NULL) {
-		return -ENOMEM;
-	}
-	MOD_INC_USE_COUNT;
-
-	memset(decoder, 0, sizeof(struct saa7111));
-	strcpy(device->name, "saa7111");
-	decoder->bus = device->bus;
-	decoder->addr = device->addr;
-	decoder->norm = VIDEO_MODE_NTSC;
-	decoder->input = 0;
-	decoder->enable = 1;
-	decoder->bright = 32768;
-	decoder->contrast = 32768;
-	decoder->hue = 32768;
-	decoder->sat = 32768;
-
-	i = saa7111_write_block(decoder, init, sizeof(init));
-	if (i < 0) {
-		printk(KERN_ERR "%s_attach: init status %d\n", device->name, i);
-	} else {
-		printk(KERN_INFO "%s_attach: chip version %x\n", device->name, saa7111_read(decoder, 0x00));
-	}
-	return 0;
-}
-
-
-static int saa7111_detach(struct i2c_device *device)
-{
-	kfree(device->data);
-	MOD_DEC_USE_COUNT;
-	return 0;
-}
-
-static int saa7111_command(struct i2c_device *device, unsigned int cmd, void *arg)
-{
-	struct saa7111 *decoder = device->data;
-
-	switch (cmd) {
-
-#if defined(DECODER_DUMP)
-	case DECODER_DUMP:
-		{
-			int i;
-
-			for (i = 0; i < 32; i += 16) {
-				int j;
-
-				printk("KERN_DEBUG %s: %03x", device->name, i);
-				for (j = 0; j < 16; ++j) {
-					printk(" %02x", saa7111_read(decoder, i + j));
-				}
-				printk("\n");
-			}
-		}
-		break;
-#endif				/* defined(DECODER_DUMP) */
-
-	case DECODER_GET_CAPABILITIES:
-		{
-			struct video_decoder_capability *cap = arg;
-
-			cap->flags
-			    = VIDEO_DECODER_PAL
-			    | VIDEO_DECODER_NTSC
-			    | VIDEO_DECODER_AUTO
-			    | VIDEO_DECODER_CCIR;
-			cap->inputs = 8;
-			cap->outputs = 1;
-		}
-		break;
-
-	case DECODER_GET_STATUS:
-		{
-			int *iarg = arg;
-			int status;
-			int res;
-
-			status = saa7111_read(decoder, 0x1f);
-			res = 0;
-			if ((status & (1 << 6)) == 0) {
-				res |= DECODER_STATUS_GOOD;
-			}
-			switch (decoder->norm) {
-			case VIDEO_MODE_NTSC:
-				res |= DECODER_STATUS_NTSC;
-				break;
-			case VIDEO_MODE_PAL:
-				res |= DECODER_STATUS_PAL;
-				break;
-			default:
-			case VIDEO_MODE_AUTO:
-				if ((status & (1 << 5)) != 0) {
-					res |= DECODER_STATUS_NTSC;
-				} else {
-					res |= DECODER_STATUS_PAL;
-				}
-				break;
-			}
-			if ((status & (1 << 0)) != 0) {
-				res |= DECODER_STATUS_COLOR;
-			}
-			*iarg = res;
-		}
-		break;
-
-	case DECODER_SET_NORM:
-		{
-			int *iarg = arg;
-
-			switch (*iarg) {
-
-			case VIDEO_MODE_NTSC:
-				saa7111_write(decoder, 0x08, (decoder->reg[0x08] & 0x3f) | 0x40);
-				break;
-
-			case VIDEO_MODE_PAL:
-				saa7111_write(decoder, 0x08, (decoder->reg[0x08] & 0x3f) | 0x00);
-				break;
-
-			case VIDEO_MODE_AUTO:
-				saa7111_write(decoder, 0x08, (decoder->reg[0x08] & 0x3f) | 0x80);
-				break;
-
-			default:
-				return -EINVAL;
-
-			}
-			decoder->norm = *iarg;
-		}
-		break;
-
-	case DECODER_SET_INPUT:
-		{
-			int *iarg = arg;
-
-			if (*iarg < 0 || *iarg > 7) {
-				return -EINVAL;
-			}
-			if (decoder->input != *iarg) {
-				decoder->input = *iarg;
-				/* select mode */
-				saa7111_write(decoder, 0x02, (decoder->reg[0x02] & 0xf8) | decoder->input);
-				/* bypass chrominance trap for modes 4..7 */
-				saa7111_write(decoder, 0x09, (decoder->reg[0x09] & 0x7f) | ((decoder->input > 3) ? 0x80 : 0));
-			}
-		}
-		break;
-
-	case DECODER_SET_OUTPUT:
-		{
-			int *iarg = arg;
-
-			/* not much choice of outputs */
-			if (*iarg != 0) {
-				return -EINVAL;
-			}
-		}
-		break;
-
-	case DECODER_ENABLE_OUTPUT:
-		{
-			int *iarg = arg;
-			int enable = (*iarg != 0);
-
-			if (decoder->enable != enable) {
-				decoder->enable = enable;
-
-// RJ: If output should be disabled (for playing videos), we also need a open PLL.
-				//     The input is set to 0 (where no input source is connected), although this
-				//     is not necessary.
-				//
-				//     If output should be enabled, we have to reverse the above.
-
-				if (decoder->enable) {
-					saa7111_write(decoder, 0x02, (decoder->reg[0x02] & 0xf8) | decoder->input);
-					saa7111_write(decoder, 0x08, (decoder->reg[0x08] & 0xfb));
-					saa7111_write(decoder, 0x11, (decoder->reg[0x11] & 0xf3) | 0x0c);
-				} else {
-					saa7111_write(decoder, 0x02, (decoder->reg[0x02] & 0xf8));
-					saa7111_write(decoder, 0x08, (decoder->reg[0x08] & 0xfb) | 0x04);
-					saa7111_write(decoder, 0x11, (decoder->reg[0x11] & 0xf3));
-				}
-			}
-		}
-		break;
-
-	case DECODER_SET_PICTURE:
-		{
-			struct video_picture *pic = arg;
-
-			if (decoder->bright != pic->brightness) {
-				/* We want 0 to 255 we get 0-65535 */
-				decoder->bright = pic->brightness;
-				saa7111_write(decoder, 0x0a, decoder->bright >> 8);
-			}
-			if (decoder->contrast != pic->contrast) {
-				/* We want 0 to 127 we get 0-65535 */
-				decoder->contrast = pic->contrast;
-				saa7111_write(decoder, 0x0b, decoder->contrast >> 9);
-			}
-			if (decoder->sat != pic->colour) {
-				/* We want 0 to 127 we get 0-65535 */
-				decoder->sat = pic->colour;
-				saa7111_write(decoder, 0x0c, decoder->sat >> 9);
-			}
-			if (decoder->hue != pic->hue) {
-				/* We want -128 to 127 we get 0-65535 */
-				decoder->hue = pic->hue;
-				saa7111_write(decoder, 0x0d, (decoder->hue - 32768) >> 8);
-			}
-		}
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-struct i2c_driver i2c_driver_saa7111 =
-{
-	"saa7111",		/* name */
-	I2C_DRIVERID_VIDEODECODER,	/* ID */
-	I2C_SAA7111, I2C_SAA7111 + 1,
-
-	saa7111_attach,
-	saa7111_detach,
-	saa7111_command
-};
-
-EXPORT_NO_SYMBOLS;
-
-#ifdef MODULE
-int init_module(void)
-#else
-int saa7111_init(void)
-#endif
-{
-	return i2c_register_driver(&i2c_driver_saa7111);
-}
-
-
-
-#ifdef MODULE
-
-void cleanup_module(void)
-{
-	i2c_unregister_driver(&i2c_driver_saa7111);
-}
-
-#endif