[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / video / saa711x.c

/*
 * saa711x - Philips SAA711x video decoder driver version 0.0.1
 *
 * To do: Now, it handles only saa7113/7114. Should be improved to
 * handle all Philips saa711x devices.
 *
 * Based on saa7113 driver from 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/init.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/signal.h>
#include <asm/io.h>
#include <asm/pgtable.h>
#include <asm/page.h>
#include <linux/types.h>
#include <asm/uaccess.h>
#include <linux/videodev.h>

MODULE_DESCRIPTION("Philips SAA711x video decoder driver");
MODULE_AUTHOR("Dave Perks, Jose Ignacio Gijon, Joerg Heckenbach, Mark McClelland, Dwaine Garden");
MODULE_LICENSE("GPL");

#include <linux/i2c.h>

#define I2C_NAME(s) (s)->name

#include <linux/video_decoder.h>

static int debug;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, " Set the default Debug level.  Default: 0 (Off) - (0-1)");


#define dprintk(num, format, args...) \
	do { \
		if (debug >= num) \
			printk(format, ##args); \
	} while (0)

/* ----------------------------------------------------------------------- */

struct saa711x {
	unsigned char reg[32];

	int norm;
	int input;
	int enable;
	int bright;
	int contrast;
	int hue;
	int sat;
};

#define   I2C_SAA7113        0x4A
#define   I2C_SAA7114        0x42

/* ----------------------------------------------------------------------- */

static inline int
saa711x_write (struct i2c_client *client,
	       u8                 reg,
	       u8                 value)
{
	struct saa711x *decoder = i2c_get_clientdata(client);

	decoder->reg[reg] = value;
	return i2c_smbus_write_byte_data(client, reg, value);
}

static int
saa711x_write_block (struct i2c_client *client,
		     const u8          *data,
		     unsigned int       len)
{
	int ret = -1;
	u8 reg;

	/* the saa711x has an autoincrement function, use it if
	 * the adapter understands raw I2C */
	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
		/* do raw I2C, not smbus compatible */
		struct saa711x *decoder = i2c_get_clientdata(client);
		struct i2c_msg msg;
		u8 block_data[32];

		msg.addr = client->addr;
		msg.flags = 0;
		while (len >= 2) {
			msg.buf = (char *) block_data;
			msg.len = 0;
			block_data[msg.len++] = reg = data[0];
			do {
				block_data[msg.len++] =
				    decoder->reg[reg++] = data[1];
				len -= 2;
				data += 2;
			} while (len >= 2 && data[0] == reg &&
				 msg.len < 32);
			if ((ret = i2c_transfer(client->adapter,
						&msg, 1)) < 0)
				break;
		}
	} else {
		/* do some slow I2C emulation kind of thing */
		while (len >= 2) {
			reg = *data++;
			if ((ret = saa711x_write(client, reg,
						 *data++)) < 0)
				break;
			len -= 2;
		}
	}

	return ret;
}

static int
saa711x_init_decoder (struct i2c_client *client,
	      struct video_decoder_init *init)
{
	return saa711x_write_block(client, init->data, init->len);
}

static inline int
saa711x_read (struct i2c_client *client,
	      u8                 reg)
{
	return i2c_smbus_read_byte_data(client, reg);
}

/* ----------------------------------------------------------------------- */

static const unsigned char saa711x_i2c_init[] = {
	0x00, 0x00,	/* PH711x_CHIP_VERSION 00 - ID byte */
	0x01, 0x08,	/* PH711x_INCREMENT_DELAY - (1) (1) (1) (1) IDEL3 IDEL2 IDELL1 IDEL0 */
	0x02, 0xc0,	/* PH711x_ANALOG_INPUT_CONTR_1 - FUSE1 FUSE0 GUDL1 GUDL0 MODE3 MODE2 MODE1 MODE0 */
	0x03, 0x23,	/* PH711x_ANALOG_INPUT_CONTR_2 - (1) HLNRS VBSL WPOFF HOLDG GAFIX GAI28 GAI18 */
	0x04, 0x00,	/* PH711x_ANALOG_INPUT_CONTR_3 - GAI17 GAI16 GAI15 GAI14 GAI13 GAI12 GAI11 GAI10 */
	0x05, 0x00,	/* PH711x_ANALOG_INPUT_CONTR_4 - GAI27 GAI26 GAI25 GAI24 GAI23 GAI22 GAI21 GAI20 */
	0x06, 0xeb,	/* PH711x_HORIZONTAL_SYNC_START - HSB7 HSB6 HSB5 HSB4 HSB3 HSB2 HSB1 HSB0 */
	0x07, 0xe0,	/* PH711x_HORIZONTAL_SYNC_STOP - HSS7 HSS6 HSS5 HSS4 HSS3 HSS2 HSS1 HSS0 */
	0x08, 0x88,	/* PH711x_SYNC_CONTROL - AUFD FSEL FOET HTC1 HTC0 HPLL VNOI1 VNOI0 */
	0x09, 0x00,	/* PH711x_LUMINANCE_CONTROL - BYPS PREF BPSS1 BPSS0 VBLB UPTCV APER1 APER0 */
	0x0a, 0x80,	/* PH711x_LUMINANCE_BRIGHTNESS - BRIG7 BRIG6 BRIG5 BRIG4 BRIG3 BRIG2 BRIG1 BRIG0 */
	0x0b, 0x47,	/* PH711x_LUMINANCE_CONTRAST - CONT7 CONT6 CONT5 CONT4 CONT3 CONT2 CONT1 CONT0 */
	0x0c, 0x40,	/* PH711x_CHROMA_SATURATION - SATN7 SATN6 SATN5 SATN4 SATN3 SATN2 SATN1 SATN0 */
	0x0d, 0x00,	/* PH711x_CHROMA_HUE_CONTROL - HUEC7 HUEC6 HUEC5 HUEC4 HUEC3 HUEC2 HUEC1 HUEC0 */
	0x0e, 0x01,	/* PH711x_CHROMA_CONTROL - CDTO CSTD2 CSTD1 CSTD0 DCCF FCTC CHBW1 CHBW0 */
	0x0f, 0xaa,	/* PH711x_CHROMA_GAIN_CONTROL - ACGC CGAIN6 CGAIN5 CGAIN4 CGAIN3 CGAIN2 CGAIN1 CGAIN0 */
	0x10, 0x00,	/* PH711x_FORMAT_DELAY_CONTROL - OFTS1 OFTS0 HDEL1 HDEL0 VRLN YDEL2 YDEL1 YDEL0 */
	0x11, 0x1C,	/* PH711x_OUTPUT_CONTROL_1 - GPSW1 CM99 GPSW0 HLSEL OEYC OERT VIPB COLO */
	0x12, 0x01,	/* PH711x_OUTPUT_CONTROL_2 - RTSE13 RTSE12 RTSE11 RTSE10 RTSE03 RTSE02 RTSE01 RTSE00 */
	0x13, 0x00,	/* PH711x_OUTPUT_CONTROL_3 - ADLSB (1) (1) OLDSB FIDP (1) AOSL1 AOSL0 */
	0x14, 0x00,	/* RESERVED 14 - (1) (1) (1) (1) (1) (1) (1) (1) */
	0x15, 0x00,	/* PH711x_V_GATE1_START - VSTA7 VSTA6 VSTA5 VSTA4 VSTA3 VSTA2 VSTA1 VSTA0 */
	0x16, 0x00,	/* PH711x_V_GATE1_STOP - VSTO7 VSTO6 VSTO5 VSTO4 VSTO3 VSTO2 VSTO1 VSTO0 */
	0x17, 0x00,	/* PH711x_V_GATE1_MSB - (1) (1) (1) (1) (1) (1) VSTO8 VSTA8 */
};

static int
saa711x_command (struct i2c_client *client,
		 unsigned int       cmd,
		 void              *arg)
{
	struct saa711x *decoder = i2c_get_clientdata(client);

	switch (cmd) {

	case 0:
	case DECODER_INIT:
	{
		struct video_decoder_init *init = arg;
		if (NULL != init)
			return saa711x_init_decoder(client, init);
		else {
			struct video_decoder_init vdi;
			vdi.data = saa711x_i2c_init;
			vdi.len = sizeof(saa711x_i2c_init);
			return saa711x_init_decoder(client, &vdi);
		}
	}

	case DECODER_DUMP:
	{
		int i;

		for (i = 0; i < 32; i += 16) {
			int j;

			printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i);
			for (j = 0; j < 16; ++j) {
				printk(" %02x",
				       saa711x_read(client, i + j));
			}
			printk("\n");
		}
	}
		break;

	case DECODER_GET_CAPABILITIES:
	{
		struct video_decoder_capability *cap = arg;

		cap->flags = VIDEO_DECODER_PAL |
			     VIDEO_DECODER_NTSC |
			     VIDEO_DECODER_SECAM |
			     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 = saa711x_read(client, 0x1f);
		dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client),
			status);
		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;
		case VIDEO_MODE_SECAM:
			res |= DECODER_STATUS_SECAM;
			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_GPIO:
	{
		int *iarg = arg;
		if (0 != *iarg) {
			saa711x_write(client, 0x11,
				(decoder->reg[0x11] | 0x80));
		} else {
			saa711x_write(client, 0x11,
				(decoder->reg[0x11] & 0x7f));
		}
		break;
	}

	case DECODER_SET_VBI_BYPASS:
	{
		int *iarg = arg;
		if (0 != *iarg) {
			saa711x_write(client, 0x13,
				(decoder->reg[0x13] & 0xf0) | 0x0a);
		} else {
			saa711x_write(client, 0x13,
				(decoder->reg[0x13] & 0xf0));
		}
		break;
	}

	case DECODER_SET_NORM:
	{
		int *iarg = arg;

		switch (*iarg) {

		case VIDEO_MODE_NTSC:
			saa711x_write(client, 0x08,
				      (decoder->reg[0x08] & 0x3f) | 0x40);
			saa711x_write(client, 0x0e,
				      (decoder->reg[0x0e] & 0x8f));
			break;

		case VIDEO_MODE_PAL:
			saa711x_write(client, 0x08,
				      (decoder->reg[0x08] & 0x3f) | 0x00);
			saa711x_write(client, 0x0e,
				      (decoder->reg[0x0e] & 0x8f));
			break;

		case VIDEO_MODE_SECAM:
			saa711x_write(client, 0x08,
				      (decoder->reg[0x08] & 0x3f) | 0x00);
			saa711x_write(client, 0x0e,
				      (decoder->reg[0x0e] & 0x8f) | 0x50);
			break;

		case VIDEO_MODE_AUTO:
			saa711x_write(client, 0x08,
				      (decoder->reg[0x08] & 0x3f) | 0x80);
			saa711x_write(client, 0x0e,
				      (decoder->reg[0x0e] & 0x8f));
			break;

		default:
			return -EINVAL;

		}
		decoder->norm = *iarg;
	}
		break;

	case DECODER_SET_INPUT:
	{
		int *iarg = arg;
		if (*iarg < 0 || *iarg > 9) {
			return -EINVAL;
		}
		if (decoder->input != *iarg) {
			decoder->input = *iarg;
			/* select mode */
			saa711x_write(client, 0x02,
				      (decoder->reg[0x02] & 0xf0) | decoder->input);
			/* bypass chrominance trap for modes 4..7 */
			saa711x_write(client, 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) {
				saa711x_write(client, 0x02,
					      (decoder->
					       reg[0x02] & 0xf8) |
					      decoder->input);
				saa711x_write(client, 0x08,
					      (decoder->reg[0x08] & 0xfb));
				saa711x_write(client, 0x11,
					      (decoder->
					       reg[0x11] & 0xf3) | 0x0c);
			} else {
				saa711x_write(client, 0x02,
					      (decoder->reg[0x02] & 0xf8));
				saa711x_write(client, 0x08,
					      (decoder->
					       reg[0x08] & 0xfb) | 0x04);
				saa711x_write(client, 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;
			saa711x_write(client, 0x0a, decoder->bright >> 8);
		}
		if (decoder->contrast != pic->contrast) {
			/* We want 0 to 127 we get 0-65535 */
			decoder->contrast = pic->contrast;
			saa711x_write(client, 0x0b,
				      decoder->contrast >> 9);
		}
		if (decoder->sat != pic->colour) {
			/* We want 0 to 127 we get 0-65535 */
			decoder->sat = pic->colour;
			saa711x_write(client, 0x0c, decoder->sat >> 9);
		}
		if (decoder->hue != pic->hue) {
			/* We want -128 to 127 we get 0-65535 */
			decoder->hue = pic->hue;
			saa711x_write(client, 0x0d,
				      (decoder->hue - 32768) >> 8);
		}
	}
		break;

	default:
		return -EINVAL;
	}

	return 0;
}

/* ----------------------------------------------------------------------- */

/*
 * Generic i2c probe
 * concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
 */

/* standard i2c insmod options */
static unsigned short normal_i2c[] = {
	I2C_SAA7113>>1,         /* saa7113 */
	I2C_SAA7114>>1,         /* saa7114 */
	I2C_CLIENT_END
};

I2C_CLIENT_INSMOD;


static struct i2c_driver i2c_driver_saa711x;

static int
saa711x_detect_client (struct i2c_adapter *adapter,
		       int                 address,
		       int                 kind)
{
	int i;
	struct i2c_client *client;
	struct saa711x *decoder;
	struct video_decoder_init vdi;

	dprintk(1,
		KERN_INFO
		"saa711x.c: detecting saa711x client on address 0x%x\n",
		address << 1);

	/* Check if the adapter supports the needed features */
	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
		return 0;

	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
	if (client == 0)
		return -ENOMEM;
	client->addr = address;
	client->adapter = adapter;
	client->driver = &i2c_driver_saa711x;
	strlcpy(I2C_NAME(client), "saa711x", sizeof(I2C_NAME(client)));
	decoder = kzalloc(sizeof(struct saa711x), GFP_KERNEL);
	if (decoder == NULL) {
		kfree(client);
		return -ENOMEM;
	}
	decoder->norm = VIDEO_MODE_NTSC;
	decoder->input = 0;
	decoder->enable = 1;
	decoder->bright = 32768;
	decoder->contrast = 32768;
	decoder->hue = 32768;
	decoder->sat = 32768;
	i2c_set_clientdata(client, decoder);

	i = i2c_attach_client(client);
	if (i) {
		kfree(client);
		kfree(decoder);
		return i;
	}

	vdi.data = saa711x_i2c_init;
	vdi.len = sizeof(saa711x_i2c_init);
	i = saa711x_init_decoder(client, &vdi);
	if (i < 0) {
		dprintk(1, KERN_ERR "%s_attach error: init status %d\n",
			I2C_NAME(client), i);
	} else {
		dprintk(1,
			KERN_INFO
			"%s_attach: chip version %x at address 0x%x\n",
			I2C_NAME(client), saa711x_read(client, 0x00) >> 4,
			client->addr << 1);
	}

	return 0;
}

static int
saa711x_attach_adapter (struct i2c_adapter *adapter)
{
	dprintk(1,
		KERN_INFO
		"saa711x.c: starting probe for adapter %s (0x%x)\n",
		I2C_NAME(adapter), adapter->id);
	return i2c_probe(adapter, &addr_data, &saa711x_detect_client);
}

static int
saa711x_detach_client (struct i2c_client *client)
{
	struct saa711x *decoder = i2c_get_clientdata(client);
	int err;

	err = i2c_detach_client(client);
	if (err) {
		return err;
	}

	kfree(decoder);
	kfree(client);

	return 0;
}

/* ----------------------------------------------------------------------- */

static struct i2c_driver i2c_driver_saa711x = {
	.driver = {
		.name = "saa711x",
	},
	.id = I2C_DRIVERID_SAA711X,
	.attach_adapter = saa711x_attach_adapter,
	.detach_client = saa711x_detach_client,
	.command = saa711x_command,
};

static int __init
saa711x_init (void)
{
	return i2c_add_driver(&i2c_driver_saa711x);
}

static void __exit
saa711x_exit (void)
{
	i2c_del_driver(&i2c_driver_saa711x);
}

module_init(saa711x_init);
module_exit(saa711x_exit);
Commit	Line	Data
340622c5	1	/*
404b32fb	2	* saa711x - Philips SAA711x video decoder driver version 0.0.1
340622c5	3	*
404b32fb MCC	4	* To do: Now, it handles only saa7113/7114. Should be improved to
404b32fb MCC	5	* handle all Philips saa711x devices.
340622c5	6	*
404b32fb	7	* Based on saa7113 driver from Dave Perks <dperks@ibm.net>
340622c5 DG	8	*
	9	* This program is free software; you can redistribute it and/or modify
	10	* it under the terms of the GNU General Public License as published by
	11	* the Free Software Foundation; either version 2 of the License, or
	12	* (at your option) any later version.
	13	*
	14	* This program is distributed in the hope that it will be useful,
	15	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	16	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	17	* GNU General Public License for more details.
	18	*
	19	* You should have received a copy of the GNU General Public License
	20	* along with this program; if not, write to the Free Software
	21	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	22	*/
	23
	24	#include <linux/module.h>
	25	#include <linux/init.h>
	26	#include <linux/delay.h>
	27	#include <linux/errno.h>
	28	#include <linux/fs.h>
	29	#include <linux/kernel.h>
	30	#include <linux/major.h>
	31	#include <linux/slab.h>
	32	#include <linux/mm.h>
340622c5 DG	33	#include <linux/signal.h>
	34	#include <asm/io.h>
	35	#include <asm/pgtable.h>
	36	#include <asm/page.h>
340622c5 DG	37	#include <linux/types.h>
	38	#include <asm/uaccess.h>
	39	#include <linux/videodev.h>
	40
404b32fb	41	MODULE_DESCRIPTION("Philips SAA711x video decoder driver");
340622c5 DG	42	MODULE_AUTHOR("Dave Perks, Jose Ignacio Gijon, Joerg Heckenbach, Mark McClelland, Dwaine Garden");
	43	MODULE_LICENSE("GPL");
	44
	45	#include <linux/i2c.h>
340622c5 DG	46
	47	#define I2C_NAME(s) (s)->name
	48
	49	#include <linux/video_decoder.h>
	50
ff699e6b	51	static int debug;
9b565eb7	52	module_param(debug, int, 0644);
340622c5 DG	53	MODULE_PARM_DESC(debug, " Set the default Debug level. Default: 0 (Off) - (0-1)");
	54
	55
	56	#define dprintk(num, format, args...) \
	57	do { \
	58	if (debug >= num) \
674434c6	59	printk(format, ##args); \
340622c5 DG	60	} while (0)
	61
	62	/* ----------------------------------------------------------------------- */
	63
404b32fb	64	struct saa711x {
340622c5 DG	65	unsigned char reg[32];
	66
	67	int norm;
	68	int input;
	69	int enable;
	70	int bright;
	71	int contrast;
	72	int hue;
	73	int sat;
	74	};
	75
	76	#define I2C_SAA7113 0x4A
791b403f	77	#define I2C_SAA7114 0x42
340622c5 DG	78
	79	/* ----------------------------------------------------------------------- */
	80
	81	static inline int
404b32fb	82	saa711x_write (struct i2c_client *client,
340622c5 DG	83	u8 reg,
	84	u8 value)
	85	{
404b32fb	86	struct saa711x *decoder = i2c_get_clientdata(client);
340622c5 DG	87
	88	decoder->reg[reg] = value;
	89	return i2c_smbus_write_byte_data(client, reg, value);
	90	}
	91
	92	static int
404b32fb	93	saa711x_write_block (struct i2c_client *client,
340622c5 DG	94	const u8 *data,
	95	unsigned int len)
	96	{
	97	int ret = -1;
	98	u8 reg;
	99
404b32fb	100	/* the saa711x has an autoincrement function, use it if
340622c5 DG	101	* the adapter understands raw I2C */
	102	if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
	103	/* do raw I2C, not smbus compatible */
404b32fb	104	struct saa711x *decoder = i2c_get_clientdata(client);
340622c5 DG	105	struct i2c_msg msg;
	106	u8 block_data[32];
	107
	108	msg.addr = client->addr;
	109	msg.flags = 0;
	110	while (len >= 2) {
	111	msg.buf = (char *) block_data;
	112	msg.len = 0;
	113	block_data[msg.len++] = reg = data[0];
	114	do {
	115	block_data[msg.len++] =
	116	decoder->reg[reg++] = data[1];
	117	len -= 2;
	118	data += 2;
	119	} while (len >= 2 && data[0] == reg &&
	120	msg.len < 32);
	121	if ((ret = i2c_transfer(client->adapter,
	122	&msg, 1)) < 0)
	123	break;
	124	}
	125	} else {
	126	/* do some slow I2C emulation kind of thing */
	127	while (len >= 2) {
	128	reg = *data++;
404b32fb	129	if ((ret = saa711x_write(client, reg,
340622c5 DG	130	*data++)) < 0)
	131	break;
	132	len -= 2;
	133	}
	134	}
	135
	136	return ret;
	137	}
	138
	139	static int
404b32fb	140	saa711x_init_decoder (struct i2c_client *client,
340622c5 DG	141	struct video_decoder_init *init)
340622c5 DG	142	{
404b32fb	143	return saa711x_write_block(client, init->data, init->len);
340622c5 DG	144	}
	145
	146	static inline int
404b32fb	147	saa711x_read (struct i2c_client *client,
340622c5 DG	148	u8 reg)
	149	{
	150	return i2c_smbus_read_byte_data(client, reg);
	151	}
	152
	153	/* ----------------------------------------------------------------------- */
	154
404b32fb MCC	155	static const unsigned char saa711x_i2c_init[] = {
	156	0x00, 0x00, /* PH711x_CHIP_VERSION 00 - ID byte */
	157	0x01, 0x08, /* PH711x_INCREMENT_DELAY - (1) (1) (1) (1) IDEL3 IDEL2 IDELL1 IDEL0 */
	158	0x02, 0xc0, /* PH711x_ANALOG_INPUT_CONTR_1 - FUSE1 FUSE0 GUDL1 GUDL0 MODE3 MODE2 MODE1 MODE0 */
	159	0x03, 0x23, /* PH711x_ANALOG_INPUT_CONTR_2 - (1) HLNRS VBSL WPOFF HOLDG GAFIX GAI28 GAI18 */
	160	0x04, 0x00, /* PH711x_ANALOG_INPUT_CONTR_3 - GAI17 GAI16 GAI15 GAI14 GAI13 GAI12 GAI11 GAI10 */
	161	0x05, 0x00, /* PH711x_ANALOG_INPUT_CONTR_4 - GAI27 GAI26 GAI25 GAI24 GAI23 GAI22 GAI21 GAI20 */
	162	0x06, 0xeb, /* PH711x_HORIZONTAL_SYNC_START - HSB7 HSB6 HSB5 HSB4 HSB3 HSB2 HSB1 HSB0 */
	163	0x07, 0xe0, /* PH711x_HORIZONTAL_SYNC_STOP - HSS7 HSS6 HSS5 HSS4 HSS3 HSS2 HSS1 HSS0 */
	164	0x08, 0x88, /* PH711x_SYNC_CONTROL - AUFD FSEL FOET HTC1 HTC0 HPLL VNOI1 VNOI0 */
	165	0x09, 0x00, /* PH711x_LUMINANCE_CONTROL - BYPS PREF BPSS1 BPSS0 VBLB UPTCV APER1 APER0 */
	166	0x0a, 0x80, /* PH711x_LUMINANCE_BRIGHTNESS - BRIG7 BRIG6 BRIG5 BRIG4 BRIG3 BRIG2 BRIG1 BRIG0 */
	167	0x0b, 0x47, /* PH711x_LUMINANCE_CONTRAST - CONT7 CONT6 CONT5 CONT4 CONT3 CONT2 CONT1 CONT0 */
	168	0x0c, 0x40, /* PH711x_CHROMA_SATURATION - SATN7 SATN6 SATN5 SATN4 SATN3 SATN2 SATN1 SATN0 */
	169	0x0d, 0x00, /* PH711x_CHROMA_HUE_CONTROL - HUEC7 HUEC6 HUEC5 HUEC4 HUEC3 HUEC2 HUEC1 HUEC0 */
	170	0x0e, 0x01, /* PH711x_CHROMA_CONTROL - CDTO CSTD2 CSTD1 CSTD0 DCCF FCTC CHBW1 CHBW0 */
	171	0x0f, 0xaa, /* PH711x_CHROMA_GAIN_CONTROL - ACGC CGAIN6 CGAIN5 CGAIN4 CGAIN3 CGAIN2 CGAIN1 CGAIN0 */
	172	0x10, 0x00, /* PH711x_FORMAT_DELAY_CONTROL - OFTS1 OFTS0 HDEL1 HDEL0 VRLN YDEL2 YDEL1 YDEL0 */
	173	0x11, 0x1C, /* PH711x_OUTPUT_CONTROL_1 - GPSW1 CM99 GPSW0 HLSEL OEYC OERT VIPB COLO */
	174	0x12, 0x01, /* PH711x_OUTPUT_CONTROL_2 - RTSE13 RTSE12 RTSE11 RTSE10 RTSE03 RTSE02 RTSE01 RTSE00 */
	175	0x13, 0x00, /* PH711x_OUTPUT_CONTROL_3 - ADLSB (1) (1) OLDSB FIDP (1) AOSL1 AOSL0 */
340622c5	176	0x14, 0x00, /* RESERVED 14 - (1) (1) (1) (1) (1) (1) (1) (1) */
404b32fb MCC	177	0x15, 0x00, /* PH711x_V_GATE1_START - VSTA7 VSTA6 VSTA5 VSTA4 VSTA3 VSTA2 VSTA1 VSTA0 */
	178	0x16, 0x00, /* PH711x_V_GATE1_STOP - VSTO7 VSTO6 VSTO5 VSTO4 VSTO3 VSTO2 VSTO1 VSTO0 */
	179	0x17, 0x00, /* PH711x_V_GATE1_MSB - (1) (1) (1) (1) (1) (1) VSTO8 VSTA8 */
340622c5 DG	180	};
	181
	182	static int
404b32fb	183	saa711x_command (struct i2c_client *client,
340622c5 DG	184	unsigned int cmd,
	185	void *arg)
	186	{
404b32fb	187	struct saa711x *decoder = i2c_get_clientdata(client);
340622c5 DG	188
	189	switch (cmd) {
	190
	191	case 0:
	192	case DECODER_INIT:
	193	{
	194	struct video_decoder_init *init = arg;
	195	if (NULL != init)
404b32fb	196	return saa711x_init_decoder(client, init);
340622c5 DG	197	else {
340622c5 DG	198	struct video_decoder_init vdi;
404b32fb MCC	199	vdi.data = saa711x_i2c_init;
	200	vdi.len = sizeof(saa711x_i2c_init);
	201	return saa711x_init_decoder(client, &vdi);
340622c5 DG	202	}
	203	}
	204
	205	case DECODER_DUMP:
	206	{
	207	int i;
	208
	209	for (i = 0; i < 32; i += 16) {
	210	int j;
	211
	212	printk(KERN_DEBUG "%s: %03x", I2C_NAME(client), i);
	213	for (j = 0; j < 16; ++j) {
	214	printk(" %02x",
404b32fb	215	saa711x_read(client, i + j));
340622c5 DG	216	}
	217	printk("\n");
	218	}
	219	}
	220	break;
	221
	222	case DECODER_GET_CAPABILITIES:
	223	{
	224	struct video_decoder_capability *cap = arg;
	225
	226	cap->flags = VIDEO_DECODER_PAL \|
	227	VIDEO_DECODER_NTSC \|
	228	VIDEO_DECODER_SECAM \|
	229	VIDEO_DECODER_AUTO \|
	230	VIDEO_DECODER_CCIR;
	231	cap->inputs = 8;
	232	cap->outputs = 1;
	233	}
	234	break;
	235
	236	case DECODER_GET_STATUS:
	237	{
	238	int *iarg = arg;
	239	int status;
	240	int res;
	241
404b32fb	242	status = saa711x_read(client, 0x1f);
340622c5 DG	243	dprintk(1, KERN_DEBUG "%s status: 0x%02x\n", I2C_NAME(client),
	244	status);
	245	res = 0;
	246	if ((status & (1 << 6)) == 0) {
	247	res \|= DECODER_STATUS_GOOD;
	248	}
	249	switch (decoder->norm) {
	250	case VIDEO_MODE_NTSC:
	251	res \|= DECODER_STATUS_NTSC;
	252	break;
	253	case VIDEO_MODE_PAL:
	254	res \|= DECODER_STATUS_PAL;
	255	break;
	256	case VIDEO_MODE_SECAM:
	257	res \|= DECODER_STATUS_SECAM;
	258	break;
	259	default:
	260	case VIDEO_MODE_AUTO:
	261	if ((status & (1 << 5)) != 0) {
	262	res \|= DECODER_STATUS_NTSC;
	263	} else {
	264	res \|= DECODER_STATUS_PAL;
	265	}
	266	break;
	267	}
	268	if ((status & (1 << 0)) != 0) {
	269	res \|= DECODER_STATUS_COLOR;
	270	}
	271	*iarg = res;
	272	}
	273	break;
	274
	275	case DECODER_SET_GPIO:
	276	{
	277	int *iarg = arg;
	278	if (0 != *iarg) {
404b32fb	279	saa711x_write(client, 0x11,
340622c5 DG	280	(decoder->reg[0x11] \| 0x80));
340622c5 DG	281	} else {
404b32fb	282	saa711x_write(client, 0x11,
340622c5 DG	283	(decoder->reg[0x11] & 0x7f));
	284	}
	285	break;
	286	}
	287
	288	case DECODER_SET_VBI_BYPASS:
	289	{
	290	int *iarg = arg;
	291	if (0 != *iarg) {
404b32fb	292	saa711x_write(client, 0x13,
340622c5 DG	293	(decoder->reg[0x13] & 0xf0) \| 0x0a);
340622c5 DG	294	} else {
404b32fb	295	saa711x_write(client, 0x13,
340622c5 DG	296	(decoder->reg[0x13] & 0xf0));
	297	}
	298	break;
	299	}
	300
	301	case DECODER_SET_NORM:
	302	{
	303	int *iarg = arg;
	304
	305	switch (*iarg) {
	306
	307	case VIDEO_MODE_NTSC:
404b32fb	308	saa711x_write(client, 0x08,
340622c5	309	(decoder->reg[0x08] & 0x3f) \| 0x40);
404b32fb	310	saa711x_write(client, 0x0e,
340622c5 DG	311	(decoder->reg[0x0e] & 0x8f));
	312	break;
	313
	314	case VIDEO_MODE_PAL:
404b32fb	315	saa711x_write(client, 0x08,
340622c5	316	(decoder->reg[0x08] & 0x3f) \| 0x00);
404b32fb	317	saa711x_write(client, 0x0e,
340622c5 DG	318	(decoder->reg[0x0e] & 0x8f));
	319	break;
	320
	321	case VIDEO_MODE_SECAM:
404b32fb	322	saa711x_write(client, 0x08,
1bcd2a36	323	(decoder->reg[0x08] & 0x3f) \| 0x00);
404b32fb	324	saa711x_write(client, 0x0e,
340622c5 DG	325	(decoder->reg[0x0e] & 0x8f) \| 0x50);
	326	break;
	327
	328	case VIDEO_MODE_AUTO:
404b32fb	329	saa711x_write(client, 0x08,
340622c5	330	(decoder->reg[0x08] & 0x3f) \| 0x80);
404b32fb	331	saa711x_write(client, 0x0e,
340622c5 DG	332	(decoder->reg[0x0e] & 0x8f));
	333	break;
	334
	335	default:
	336	return -EINVAL;
	337
	338	}
	339	decoder->norm = *iarg;
	340	}
	341	break;
	342
	343	case DECODER_SET_INPUT:
	344	{
	345	int *iarg = arg;
	346	if (iarg < 0 \|\| iarg > 9) {
	347	return -EINVAL;
	348	}
	349	if (decoder->input != *iarg) {
	350	decoder->input = *iarg;
	351	/* select mode */
404b32fb	352	saa711x_write(client, 0x02,
340622c5 DG	353	(decoder->reg[0x02] & 0xf0) \| decoder->input);
340622c5 DG	354	/* bypass chrominance trap for modes 4..7 */
404b32fb	355	saa711x_write(client, 0x09,
340622c5 DG	356	(decoder->reg[0x09] & 0x7f) \| ((decoder->input > 3) ? 0x80 : 0));
	357	}
	358	}
	359	break;
	360
	361	case DECODER_SET_OUTPUT:
	362	{
	363	int *iarg = arg;
	364
	365	/* not much choice of outputs */
	366	if (*iarg != 0) {
	367	return -EINVAL;
	368	}
	369	}
	370	break;
	371
	372	case DECODER_ENABLE_OUTPUT:
	373	{
	374	int *iarg = arg;
	375	int enable = (*iarg != 0);
	376
	377	if (decoder->enable != enable) {
	378	decoder->enable = enable;
	379
	380	/* RJ: If output should be disabled (for
	381	* playing videos), we also need a open PLL.
	382	* The input is set to 0 (where no input
	383	* source is connected), although this
	384	* is not necessary.
	385	*
	386	* If output should be enabled, we have to
	387	* reverse the above.
	388	*/
	389
	390	if (decoder->enable) {
404b32fb	391	saa711x_write(client, 0x02,
340622c5 DG	392	(decoder->
	393	reg[0x02] & 0xf8) \|
	394	decoder->input);
404b32fb	395	saa711x_write(client, 0x08,
340622c5	396	(decoder->reg[0x08] & 0xfb));
404b32fb	397	saa711x_write(client, 0x11,
340622c5 DG	398	(decoder->
	399	reg[0x11] & 0xf3) \| 0x0c);
	400	} else {
404b32fb	401	saa711x_write(client, 0x02,
340622c5	402	(decoder->reg[0x02] & 0xf8));
404b32fb	403	saa711x_write(client, 0x08,
340622c5 DG	404	(decoder->
340622c5 DG	405	reg[0x08] & 0xfb) \| 0x04);
404b32fb	406	saa711x_write(client, 0x11,
340622c5 DG	407	(decoder->reg[0x11] & 0xf3));
	408	}
	409	}
	410	}
	411	break;
	412
	413	case DECODER_SET_PICTURE:
	414	{
	415	struct video_picture *pic = arg;
	416
	417	if (decoder->bright != pic->brightness) {
	418	/* We want 0 to 255 we get 0-65535 */
	419	decoder->bright = pic->brightness;
404b32fb	420	saa711x_write(client, 0x0a, decoder->bright >> 8);
340622c5 DG	421	}
	422	if (decoder->contrast != pic->contrast) {
	423	/* We want 0 to 127 we get 0-65535 */
	424	decoder->contrast = pic->contrast;
404b32fb	425	saa711x_write(client, 0x0b,
340622c5 DG	426	decoder->contrast >> 9);
	427	}
	428	if (decoder->sat != pic->colour) {
	429	/* We want 0 to 127 we get 0-65535 */
	430	decoder->sat = pic->colour;
404b32fb	431	saa711x_write(client, 0x0c, decoder->sat >> 9);
340622c5 DG	432	}
	433	if (decoder->hue != pic->hue) {
	434	/* We want -128 to 127 we get 0-65535 */
	435	decoder->hue = pic->hue;
404b32fb	436	saa711x_write(client, 0x0d,
340622c5 DG	437	(decoder->hue - 32768) >> 8);
	438	}
	439	}
	440	break;
	441
	442	default:
	443	return -EINVAL;
	444	}
	445
	446	return 0;
	447	}
	448
	449	/* ----------------------------------------------------------------------- */
	450
	451	/*
	452	* Generic i2c probe
	453	* concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
	454	*/
	455
	456	/* standard i2c insmod options */
	457	static unsigned short normal_i2c[] = {
4ac97914	458	I2C_SAA7113>>1, /* saa7113 */
791b403f	459	I2C_SAA7114>>1, /* saa7114 */
4ac97914	460	I2C_CLIENT_END
340622c5 DG	461	};
	462
	463	I2C_CLIENT_INSMOD;
	464
	465
404b32fb	466	static struct i2c_driver i2c_driver_saa711x;
340622c5 DG	467
340622c5 DG	468	static int
404b32fb	469	saa711x_detect_client (struct i2c_adapter *adapter,
340622c5 DG	470	int address,
	471	int kind)
	472	{
	473	int i;
	474	struct i2c_client *client;
404b32fb	475	struct saa711x *decoder;
340622c5 DG	476	struct video_decoder_init vdi;
	477
	478	dprintk(1,
	479	KERN_INFO
404b32fb	480	"saa711x.c: detecting saa711x client on address 0x%x\n",
340622c5 DG	481	address << 1);
	482
	483	/* Check if the adapter supports the needed features */
	484	if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
	485	return 0;
	486
7408187d	487	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
340622c5 DG	488	if (client == 0)
340622c5 DG	489	return -ENOMEM;
340622c5 DG	490	client->addr = address;
340622c5 DG	491	client->adapter = adapter;
404b32fb	492	client->driver = &i2c_driver_saa711x;
404b32fb	493	strlcpy(I2C_NAME(client), "saa711x", sizeof(I2C_NAME(client)));
7408187d	494	decoder = kzalloc(sizeof(struct saa711x), GFP_KERNEL);
340622c5 DG	495	if (decoder == NULL) {
	496	kfree(client);
	497	return -ENOMEM;
	498	}
340622c5 DG	499	decoder->norm = VIDEO_MODE_NTSC;
	500	decoder->input = 0;
	501	decoder->enable = 1;
	502	decoder->bright = 32768;
	503	decoder->contrast = 32768;
	504	decoder->hue = 32768;
	505	decoder->sat = 32768;
	506	i2c_set_clientdata(client, decoder);
	507
	508	i = i2c_attach_client(client);
	509	if (i) {
	510	kfree(client);
	511	kfree(decoder);
	512	return i;
	513	}
	514
404b32fb MCC	515	vdi.data = saa711x_i2c_init;
	516	vdi.len = sizeof(saa711x_i2c_init);
	517	i = saa711x_init_decoder(client, &vdi);
340622c5 DG	518	if (i < 0) {
	519	dprintk(1, KERN_ERR "%s_attach error: init status %d\n",
	520	I2C_NAME(client), i);
	521	} else {
	522	dprintk(1,
	523	KERN_INFO
	524	"%s_attach: chip version %x at address 0x%x\n",
404b32fb	525	I2C_NAME(client), saa711x_read(client, 0x00) >> 4,
340622c5 DG	526	client->addr << 1);
	527	}
	528
	529	return 0;
	530	}
	531
	532	static int
404b32fb	533	saa711x_attach_adapter (struct i2c_adapter *adapter)
340622c5 DG	534	{
	535	dprintk(1,
	536	KERN_INFO
404b32fb	537	"saa711x.c: starting probe for adapter %s (0x%x)\n",
340622c5	538	I2C_NAME(adapter), adapter->id);
404b32fb	539	return i2c_probe(adapter, &addr_data, &saa711x_detect_client);
340622c5 DG	540	}
	541
	542	static int
404b32fb	543	saa711x_detach_client (struct i2c_client *client)
340622c5	544	{
404b32fb	545	struct saa711x *decoder = i2c_get_clientdata(client);
340622c5 DG	546	int err;
	547
	548	err = i2c_detach_client(client);
	549	if (err) {
	550	return err;
	551	}
	552
	553	kfree(decoder);
	554	kfree(client);
	555
	556	return 0;
	557	}
	558
	559	/* ----------------------------------------------------------------------- */
	560
404b32fb	561	static struct i2c_driver i2c_driver_saa711x = {
604f28e2	562	.driver = {
604f28e2 LR	563	.name = "saa711x",
604f28e2 LR	564	},
404b32fb	565	.id = I2C_DRIVERID_SAA711X,
404b32fb MCC	566	.attach_adapter = saa711x_attach_adapter,
	567	.detach_client = saa711x_detach_client,
	568	.command = saa711x_command,
340622c5 DG	569	};
	570
	571	static int __init
404b32fb	572	saa711x_init (void)
340622c5	573	{
404b32fb	574	return i2c_add_driver(&i2c_driver_saa711x);
340622c5 DG	575	}
	576
	577	static void __exit
404b32fb	578	saa711x_exit (void)
340622c5	579	{
404b32fb	580	i2c_del_driver(&i2c_driver_saa711x);
340622c5 DG	581	}
340622c5 DG	582
404b32fb MCC	583	module_init(saa711x_init);
404b32fb MCC	584	module_exit(saa711x_exit);