patch-2.4.0-test7 linux/drivers/char/saa7185.c

• Lines: 378
• Date: Wed Dec 31 16:00:00 1969
• Orig file: v2.4.0-test6/linux/drivers/char/saa7185.c
• Orig date: Tue Jan 4 13:57:16 2000

diff -u --recursive --new-file v2.4.0-test6/linux/drivers/char/saa7185.c linux/drivers/char/saa7185.c
@@ -1,377 +0,0 @@
-/* 
-   saa7185 - Philips SAA7185B video encoder 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_encoder.h>
-
-#define DEBUG(x)   x		/* Debug driver */
-
-/* ----------------------------------------------------------------------- */
-
-struct saa7185 {
-	struct i2c_bus *bus;
-	int addr;
-	unsigned char reg[128];
-
-	int norm;
-	int enable;
-	int bright;
-	int contrast;
-	int hue;
-	int sat;
-};
-
-#define   I2C_SAA7185        0x88
-
-#define I2C_DELAY   10
-
-/* ----------------------------------------------------------------------- */
-
-static int saa7185_write(struct saa7185 *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 saa7185_write_block(struct saa7185 *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 const unsigned char init_common[] =
-{
-	0x3a, 0x0f,		/* CBENB=0, V656=0, VY2C=1, YUV2C=1, MY2C=1, MUV2C=1 */
-
-	0x42, 0x6b,		/* OVLY0=107 */
-	0x43, 0x00,		/* OVLU0=0     white */
-	0x44, 0x00,		/* OVLV0=0   */
-	0x45, 0x22,		/* OVLY1=34  */
-	0x46, 0xac,		/* OVLU1=172   yellow */
-	0x47, 0x0e,		/* OVLV1=14  */
-	0x48, 0x03,		/* OVLY2=3   */
-	0x49, 0x1d,		/* OVLU2=29    cyan */
-	0x4a, 0xac,		/* OVLV2=172 */
-	0x4b, 0xf0,		/* OVLY3=240 */
-	0x4c, 0xc8,		/* OVLU3=200   green */
-	0x4d, 0xb9,		/* OVLV3=185 */
-	0x4e, 0xd4,		/* OVLY4=212 */
-	0x4f, 0x38,		/* OVLU4=56    magenta */
-	0x50, 0x47,		/* OVLV4=71  */
-	0x51, 0xc1,		/* OVLY5=193 */
-	0x52, 0xe3,		/* OVLU5=227   red */
-	0x53, 0x54,		/* OVLV5=84  */
-	0x54, 0xa3,		/* OVLY6=163 */
-	0x55, 0x54,		/* OVLU6=84    blue */
-	0x56, 0xf2,		/* OVLV6=242 */
-	0x57, 0x90,		/* OVLY7=144 */
-	0x58, 0x00,		/* OVLU7=0     black */
-	0x59, 0x00,		/* OVLV7=0   */
-
-	0x5a, 0x00,		/* CHPS=0    */
-	0x5b, 0x76,		/* GAINU=118 */
-	0x5c, 0xa5,		/* GAINV=165 */
-	0x5d, 0x3c,		/* BLCKL=60  */
-	0x5e, 0x3a,		/* BLNNL=58  */
-	0x5f, 0x3a,		/* CCRS=0, BLNVB=58 */
-	0x60, 0x00,		/* NULL      */
-
-/* 0x61 - 0x66 set according to norm */
-
-	0x67, 0x00,		/* 0 : caption 1st byte odd  field */
-	0x68, 0x00,		/* 0 : caption 2nd byte odd  field */
-	0x69, 0x00,		/* 0 : caption 1st byte even field */
-	0x6a, 0x00,		/* 0 : caption 2nd byte even field */
-
-	0x6b, 0x91,		/* MODIN=2, PCREF=0, SCCLN=17 */
-	0x6c, 0x20,		/* SRCV1=0, TRCV2=1, ORCV1=0, PRCV1=0, CBLF=0, ORCV2=0, PRCV2=0 */
-	0x6d, 0x00,		/* SRCM1=0, CCEN=0 */
-
-	0x6e, 0x0e,		/* HTRIG=0x00e, approx. centered, at least for PAL */
-	0x6f, 0x00,		/* HTRIG upper bits */
-	0x70, 0x20,		/* PHRES=0, SBLN=1, VTRIG=0 */
-
-/* The following should not be needed */
-
-	0x71, 0x15,		/* BMRQ=0x115 */
-	0x72, 0x90,		/* EMRQ=0x690 */
-	0x73, 0x61,		/* EMRQ=0x690, BMRQ=0x115 */
-	0x74, 0x00,		/* NULL       */
-	0x75, 0x00,		/* NULL       */
-	0x76, 0x00,		/* NULL       */
-	0x77, 0x15,		/* BRCV=0x115 */
-	0x78, 0x90,		/* ERCV=0x690 */
-	0x79, 0x61,		/* ERCV=0x690, BRCV=0x115 */
-
-/* Field length controls */
-
-	0x7a, 0x70,		/* FLC=0 */
-
-/* The following should not be needed if SBLN = 1 */
-
-	0x7b, 0x16,		/* FAL=22 */
-	0x7c, 0x35,		/* LAL=244 */
-	0x7d, 0x20,		/* LAL=244, FAL=22 */
-};
-
-static const unsigned char init_pal[] =
-{
-	0x61, 0x1e,		/* FISE=0, PAL=1, SCBW=1, RTCE=1, YGS=1, INPI=0, DOWN=0 */
-	0x62, 0xc8,		/* DECTYP=1, BSTA=72 */
-	0x63, 0xcb,		/* FSC0 */
-	0x64, 0x8a,		/* FSC1 */
-	0x65, 0x09,		/* FSC2 */
-	0x66, 0x2a,		/* FSC3 */
-};
-
-static const unsigned char init_ntsc[] =
-{
-	0x61, 0x1d,		/* FISE=1, PAL=0, SCBW=1, RTCE=1, YGS=1, INPI=0, DOWN=0 */
-	0x62, 0xe6,		/* DECTYP=1, BSTA=102 */
-	0x63, 0x1f,		/* FSC0 */
-	0x64, 0x7c,		/* FSC1 */
-	0x65, 0xf0,		/* FSC2 */
-	0x66, 0x21,		/* FSC3 */
-};
-
-static int saa7185_attach(struct i2c_device *device)
-{
-	int i;
-	struct saa7185 *encoder;
-
-	device->data = encoder = kmalloc(sizeof(struct saa7185), GFP_KERNEL);
-	if (encoder == NULL) {
-		return -ENOMEM;
-	}
-	MOD_INC_USE_COUNT;
-
-	memset(encoder, 0, sizeof(struct saa7185));
-	strcpy(device->name, "saa7185");
-	encoder->bus = device->bus;
-	encoder->addr = device->addr;
-	encoder->norm = VIDEO_MODE_NTSC;
-	encoder->enable = 1;
-
-	i = saa7185_write_block(encoder, init_common, sizeof(init_common));
-	if (i >= 0) {
-		i = saa7185_write_block(encoder, init_ntsc, sizeof(init_ntsc));
-	}
-	if (i < 0) {
-		printk(KERN_ERR "%s_attach: init error %d\n", device->name, i);
-	}
-	return 0;
-}
-
-
-static int saa7185_detach(struct i2c_device *device)
-{
-	kfree(device->data);
-	MOD_DEC_USE_COUNT;
-	return 0;
-}
-
-static int saa7185_command(struct i2c_device *device, unsigned int cmd, void *arg)
-{
-	struct saa7185 *encoder = device->data;
-
-	switch (cmd) {
-
-	case ENCODER_GET_CAPABILITIES:
-		{
-			struct video_encoder_capability *cap = arg;
-
-			cap->flags
-			    = VIDEO_ENCODER_PAL
-			    | VIDEO_ENCODER_NTSC
-			    | VIDEO_ENCODER_SECAM
-			    | VIDEO_ENCODER_CCIR;
-			cap->inputs = 1;
-			cap->outputs = 1;
-		}
-		break;
-
-	case ENCODER_SET_NORM:
-		{
-			int *iarg = arg;
-
-			switch (*iarg) {
-
-			case VIDEO_MODE_NTSC:
-				saa7185_write_block(encoder, init_ntsc, sizeof(init_ntsc));
-				break;
-
-			case VIDEO_MODE_PAL:
-				saa7185_write_block(encoder, init_pal, sizeof(init_pal));
-				break;
-
-			case VIDEO_MODE_SECAM:
-			default:
-				return -EINVAL;
-
-			}
-			encoder->norm = *iarg;
-		}
-		break;
-
-	case ENCODER_SET_INPUT:
-		{
-			int *iarg = arg;
-
-#if 0
-			/* not much choice of inputs */
-			if (*iarg != 0) {
-				return -EINVAL;
-			}
-#else
-			/* RJ: *iarg = 0: input is from SA7111
-			   *iarg = 1: input is from ZR36060 */
-
-			switch (*iarg) {
-
-			case 0:
-				/* Switch RTCE to 1 */
-				saa7185_write(encoder, 0x61, (encoder->reg[0x61] & 0xf7) | 0x08);
-				break;
-
-			case 1:
-				/* Switch RTCE to 0 */
-				saa7185_write(encoder, 0x61, (encoder->reg[0x61] & 0xf7) | 0x00);
-				break;
-
-			default:
-				return -EINVAL;
-
-			}
-#endif
-		}
-		break;
-
-	case ENCODER_SET_OUTPUT:
-		{
-			int *iarg = arg;
-
-			/* not much choice of outputs */
-			if (*iarg != 0) {
-				return -EINVAL;
-			}
-		}
-		break;
-
-	case ENCODER_ENABLE_OUTPUT:
-		{
-			int *iarg = arg;
-
-			encoder->enable = !!*iarg;
-			saa7185_write(encoder, 0x61, (encoder->reg[0x61] & 0xbf) | (encoder->enable ? 0x00 : 0x40));
-		}
-		break;
-
-	default:
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-/* ----------------------------------------------------------------------- */
-
-struct i2c_driver i2c_driver_saa7185 =
-{
-	"saa7185",		/* name */
-	I2C_DRIVERID_VIDEOENCODER,	/* ID */
-	I2C_SAA7185, I2C_SAA7185 + 1,
-
-	saa7185_attach,
-	saa7185_detach,
-	saa7185_command
-};
-
-EXPORT_NO_SYMBOLS;
-
-#ifdef MODULE
-int init_module(void)
-#else
-int saa7185_init(void)
-#endif
-{
-	return i2c_register_driver(&i2c_driver_saa7185);
-}
-
-
-
-#ifdef MODULE
-
-void cleanup_module(void)
-{
-	i2c_unregister_driver(&i2c_driver_saa7185);
-}
-
-#endif