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marcus.erl |
/*
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* saa7110 - Philips SAA7110(A) video decoder driver
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*
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* Copyright (C) 1998 Pauline Middelink <middelin@polyware.nl>
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*
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* Copyright (C) 1999 Wolfgang Scherr <scherr@net4you.net>
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* Copyright (C) 2000 Serguei Miridonov <mirsev@cicese.mx>
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* - some corrections for Pinnacle Systems Inc. DC10plus card.
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*
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* Changes by Ronald Bultje <rbultje@ronald.bitfreak.net>
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* - moved over to linux>=2.4.x i2c protocol (1/1/2003)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/types.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/wait.h>
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#include <asm/io.h>
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#include <asm/uaccess.h>
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MODULE_DESCRIPTION("Philips SAA7110 video decoder driver");
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MODULE_AUTHOR("Pauline Middelink");
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MODULE_LICENSE("GPL");
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#include <linux/i2c.h>
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#define I2C_NAME(s) (s)->name
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#include <linux/videodev.h>
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#include <media/v4l2-common.h>
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#include <linux/video_decoder.h>
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static int debug = 0;
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module_param(debug, int, 0);
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MODULE_PARM_DESC(debug, "Debug level (0-1)");
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#define dprintk(num, format, args...) \
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do { \
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if (debug >= num) \
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printk(format, ##args); \
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} while (0)
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#define SAA7110_MAX_INPUT 9 /* 6 CVBS, 3 SVHS */
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#define SAA7110_MAX_OUTPUT 0 /* its a decoder only */
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#define I2C_SAA7110 0x9C /* or 0x9E */
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#define SAA7110_NR_REG 0x35
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struct saa7110 {
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u8 reg[SAA7110_NR_REG];
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int norm;
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int input;
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int enable;
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int bright;
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int contrast;
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int hue;
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int sat;
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wait_queue_head_t wq;
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};
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/* ----------------------------------------------------------------------- */
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/* I2C support functions */
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/* ----------------------------------------------------------------------- */
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static int
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saa7110_write (struct i2c_client *client,
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u8 reg,
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u8 value)
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{
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struct saa7110 *decoder = i2c_get_clientdata(client);
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decoder->reg[reg] = value;
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return i2c_smbus_write_byte_data(client, reg, value);
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}
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static int
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saa7110_write_block (struct i2c_client *client,
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const u8 *data,
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unsigned int len)
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{
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int ret = -1;
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u8 reg = *data; /* first register to write to */
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/* Sanity check */
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if (reg + (len - 1) > SAA7110_NR_REG)
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return ret;
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/* the saa7110 has an autoincrement function, use it if
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* the adapter understands raw I2C */
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if (i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {
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struct saa7110 *decoder = i2c_get_clientdata(client);
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ret = i2c_master_send(client, data, len);
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/* Cache the written data */
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memcpy(decoder->reg + reg, data + 1, len - 1);
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} else {
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for (++data, --len; len; len--) {
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if ((ret = saa7110_write(client, reg++,
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*data++)) < 0)
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break;
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}
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}
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return ret;
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}
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static inline int
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saa7110_read (struct i2c_client *client)
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{
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return i2c_smbus_read_byte(client);
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}
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| 133 |
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/* ----------------------------------------------------------------------- */
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/* SAA7110 functions */
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/* ----------------------------------------------------------------------- */
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| 137 |
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#define FRESP_06H_COMPST 0x03 //0x13
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#define FRESP_06H_SVIDEO 0x83 //0xC0
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| 140 |
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static int
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saa7110_selmux (struct i2c_client *client,
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int chan)
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{
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static const unsigned char modes[9][8] = {
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/* mode 0 */
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{FRESP_06H_COMPST, 0xD9, 0x17, 0x40, 0x03,
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0x44, 0x75, 0x16},
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/* mode 1 */
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{FRESP_06H_COMPST, 0xD8, 0x17, 0x40, 0x03,
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0x44, 0x75, 0x16},
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/* mode 2 */
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{FRESP_06H_COMPST, 0xBA, 0x07, 0x91, 0x03,
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0x60, 0xB5, 0x05},
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/* mode 3 */
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{FRESP_06H_COMPST, 0xB8, 0x07, 0x91, 0x03,
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0x60, 0xB5, 0x05},
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/* mode 4 */
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{FRESP_06H_COMPST, 0x7C, 0x07, 0xD2, 0x83,
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0x60, 0xB5, 0x03},
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/* mode 5 */
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{FRESP_06H_COMPST, 0x78, 0x07, 0xD2, 0x83,
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0x60, 0xB5, 0x03},
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/* mode 6 */
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{FRESP_06H_SVIDEO, 0x59, 0x17, 0x42, 0xA3,
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0x44, 0x75, 0x12},
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/* mode 7 */
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{FRESP_06H_SVIDEO, 0x9A, 0x17, 0xB1, 0x13,
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0x60, 0xB5, 0x14},
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/* mode 8 */
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{FRESP_06H_SVIDEO, 0x3C, 0x27, 0xC1, 0x23,
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0x44, 0x75, 0x21}
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};
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struct saa7110 *decoder = i2c_get_clientdata(client);
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const unsigned char *ptr = modes[chan];
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saa7110_write(client, 0x06, ptr[0]); /* Luminance control */
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saa7110_write(client, 0x20, ptr[1]); /* Analog Control #1 */
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saa7110_write(client, 0x21, ptr[2]); /* Analog Control #2 */
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saa7110_write(client, 0x22, ptr[3]); /* Mixer Control #1 */
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saa7110_write(client, 0x2C, ptr[4]); /* Mixer Control #2 */
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saa7110_write(client, 0x30, ptr[5]); /* ADCs gain control */
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saa7110_write(client, 0x31, ptr[6]); /* Mixer Control #3 */
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saa7110_write(client, 0x21, ptr[7]); /* Analog Control #2 */
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decoder->input = chan;
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| 187 |
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return 0;
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}
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| 190 |
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static const unsigned char initseq[1 + SAA7110_NR_REG] = {
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0, 0x4C, 0x3C, 0x0D, 0xEF, 0xBD, 0xF2, 0x03, 0x00,
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/* 0x08 */ 0xF8, 0xF8, 0x60, 0x60, 0x00, 0x86, 0x18, 0x90,
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/* 0x10 */ 0x00, 0x59, 0x40, 0x46, 0x42, 0x1A, 0xFF, 0xDA,
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/* 0x18 */ 0xF2, 0x8B, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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/* 0x20 */ 0xD9, 0x16, 0x40, 0x41, 0x80, 0x41, 0x80, 0x4F,
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/* 0x28 */ 0xFE, 0x01, 0xCF, 0x0F, 0x03, 0x01, 0x03, 0x0C,
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| 197 |
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/* 0x30 */ 0x44, 0x71, 0x02, 0x8C, 0x02
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| 198 |
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};
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| 200 |
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static int
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determine_norm (struct i2c_client *client)
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| 202 |
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{
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| 203 |
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DEFINE_WAIT(wait);
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| 204 |
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struct saa7110 *decoder = i2c_get_clientdata(client);
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| 205 |
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int status;
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| 206 |
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| 207 |
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/* mode changed, start automatic detection */
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| 208 |
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saa7110_write_block(client, initseq, sizeof(initseq));
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| 209 |
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saa7110_selmux(client, decoder->input);
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| 210 |
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prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE);
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| 211 |
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schedule_timeout(msecs_to_jiffies(250));
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| 212 |
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finish_wait(&decoder->wq, &wait);
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| 213 |
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status = saa7110_read(client);
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| 214 |
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if (status & 0x40) {
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| 215 |
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dprintk(1, KERN_INFO "%s: status=0x%02x (no signal)\n",
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| 216 |
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I2C_NAME(client), status);
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| 217 |
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return decoder->norm; // no change
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| 218 |
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}
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| 219 |
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if ((status & 3) == 0) {
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| 220 |
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saa7110_write(client, 0x06, 0x83);
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| 221 |
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if (status & 0x20) {
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| 222 |
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dprintk(1,
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| 223 |
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KERN_INFO
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| 224 |
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"%s: status=0x%02x (NTSC/no color)\n",
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| 225 |
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I2C_NAME(client), status);
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| 226 |
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//saa7110_write(client,0x2E,0x81);
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| 227 |
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return VIDEO_MODE_NTSC;
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| 228 |
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}
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| 229 |
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dprintk(1, KERN_INFO "%s: status=0x%02x (PAL/no color)\n",
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| 230 |
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I2C_NAME(client), status);
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| 231 |
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//saa7110_write(client,0x2E,0x9A);
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| 232 |
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return VIDEO_MODE_PAL;
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| 233 |
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}
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| 234 |
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//saa7110_write(client,0x06,0x03);
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| 235 |
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if (status & 0x20) { /* 60Hz */
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| 236 |
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dprintk(1, KERN_INFO "%s: status=0x%02x (NTSC)\n",
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| 237 |
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I2C_NAME(client), status);
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| 238 |
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saa7110_write(client, 0x0D, 0x86);
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| 239 |
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saa7110_write(client, 0x0F, 0x50);
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| 240 |
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saa7110_write(client, 0x11, 0x2C);
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| 241 |
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//saa7110_write(client,0x2E,0x81);
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| 242 |
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return VIDEO_MODE_NTSC;
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| 243 |
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}
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| 244 |
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| 245 |
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/* 50Hz -> PAL/SECAM */
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| 246 |
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saa7110_write(client, 0x0D, 0x86);
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| 247 |
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saa7110_write(client, 0x0F, 0x10);
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| 248 |
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saa7110_write(client, 0x11, 0x59);
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| 249 |
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//saa7110_write(client,0x2E,0x9A);
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| 250 |
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| 251 |
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prepare_to_wait(&decoder->wq, &wait, TASK_UNINTERRUPTIBLE);
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| 252 |
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schedule_timeout(msecs_to_jiffies(250));
|
| 253 |
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finish_wait(&decoder->wq, &wait);
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| 254 |
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|
| 255 |
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status = saa7110_read(client);
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| 256 |
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if ((status & 0x03) == 0x01) {
|
| 257 |
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dprintk(1, KERN_INFO "%s: status=0x%02x (SECAM)\n",
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| 258 |
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I2C_NAME(client), status);
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| 259 |
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saa7110_write(client, 0x0D, 0x87);
|
| 260 |
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return VIDEO_MODE_SECAM;
|
| 261 |
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}
|
| 262 |
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dprintk(1, KERN_INFO "%s: status=0x%02x (PAL)\n", I2C_NAME(client),
|
| 263 |
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status);
|
| 264 |
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return VIDEO_MODE_PAL;
|
| 265 |
|
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}
|
| 266 |
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|
| 267 |
|
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static int
|
| 268 |
|
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saa7110_command (struct i2c_client *client,
|
| 269 |
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unsigned int cmd,
|
| 270 |
|
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void *arg)
|
| 271 |
|
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{
|
| 272 |
|
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struct saa7110 *decoder = i2c_get_clientdata(client);
|
| 273 |
|
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int v;
|
| 274 |
|
|
|
| 275 |
|
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switch (cmd) {
|
| 276 |
|
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case 0:
|
| 277 |
|
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//saa7110_write_block(client, initseq, sizeof(initseq));
|
| 278 |
|
|
break;
|
| 279 |
|
|
|
| 280 |
|
|
case DECODER_GET_CAPABILITIES:
|
| 281 |
|
|
{
|
| 282 |
|
|
struct video_decoder_capability *dc = arg;
|
| 283 |
|
|
|
| 284 |
|
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dc->flags =
|
| 285 |
|
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VIDEO_DECODER_PAL | VIDEO_DECODER_NTSC |
|
| 286 |
|
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VIDEO_DECODER_SECAM | VIDEO_DECODER_AUTO;
|
| 287 |
|
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dc->inputs = SAA7110_MAX_INPUT;
|
| 288 |
|
|
dc->outputs = SAA7110_MAX_OUTPUT;
|
| 289 |
|
|
}
|
| 290 |
|
|
break;
|
| 291 |
|
|
|
| 292 |
|
|
case DECODER_GET_STATUS:
|
| 293 |
|
|
{
|
| 294 |
|
|
int status;
|
| 295 |
|
|
int res = 0;
|
| 296 |
|
|
|
| 297 |
|
|
status = saa7110_read(client);
|
| 298 |
|
|
dprintk(1, KERN_INFO "%s: status=0x%02x norm=%d\n",
|
| 299 |
|
|
I2C_NAME(client), status, decoder->norm);
|
| 300 |
|
|
if (!(status & 0x40))
|
| 301 |
|
|
res |= DECODER_STATUS_GOOD;
|
| 302 |
|
|
if (status & 0x03)
|
| 303 |
|
|
res |= DECODER_STATUS_COLOR;
|
| 304 |
|
|
|
| 305 |
|
|
switch (decoder->norm) {
|
| 306 |
|
|
case VIDEO_MODE_NTSC:
|
| 307 |
|
|
res |= DECODER_STATUS_NTSC;
|
| 308 |
|
|
break;
|
| 309 |
|
|
case VIDEO_MODE_PAL:
|
| 310 |
|
|
res |= DECODER_STATUS_PAL;
|
| 311 |
|
|
break;
|
| 312 |
|
|
case VIDEO_MODE_SECAM:
|
| 313 |
|
|
res |= DECODER_STATUS_SECAM;
|
| 314 |
|
|
break;
|
| 315 |
|
|
}
|
| 316 |
|
|
*(int *) arg = res;
|
| 317 |
|
|
}
|
| 318 |
|
|
break;
|
| 319 |
|
|
|
| 320 |
|
|
case DECODER_SET_NORM:
|
| 321 |
|
|
v = *(int *) arg;
|
| 322 |
|
|
if (decoder->norm != v) {
|
| 323 |
|
|
decoder->norm = v;
|
| 324 |
|
|
//saa7110_write(client, 0x06, 0x03);
|
| 325 |
|
|
switch (v) {
|
| 326 |
|
|
case VIDEO_MODE_NTSC:
|
| 327 |
|
|
saa7110_write(client, 0x0D, 0x86);
|
| 328 |
|
|
saa7110_write(client, 0x0F, 0x50);
|
| 329 |
|
|
saa7110_write(client, 0x11, 0x2C);
|
| 330 |
|
|
//saa7110_write(client, 0x2E, 0x81);
|
| 331 |
|
|
dprintk(1,
|
| 332 |
|
|
KERN_INFO "%s: switched to NTSC\n",
|
| 333 |
|
|
I2C_NAME(client));
|
| 334 |
|
|
break;
|
| 335 |
|
|
case VIDEO_MODE_PAL:
|
| 336 |
|
|
saa7110_write(client, 0x0D, 0x86);
|
| 337 |
|
|
saa7110_write(client, 0x0F, 0x10);
|
| 338 |
|
|
saa7110_write(client, 0x11, 0x59);
|
| 339 |
|
|
//saa7110_write(client, 0x2E, 0x9A);
|
| 340 |
|
|
dprintk(1,
|
| 341 |
|
|
KERN_INFO "%s: switched to PAL\n",
|
| 342 |
|
|
I2C_NAME(client));
|
| 343 |
|
|
break;
|
| 344 |
|
|
case VIDEO_MODE_SECAM:
|
| 345 |
|
|
saa7110_write(client, 0x0D, 0x87);
|
| 346 |
|
|
saa7110_write(client, 0x0F, 0x10);
|
| 347 |
|
|
saa7110_write(client, 0x11, 0x59);
|
| 348 |
|
|
//saa7110_write(client, 0x2E, 0x9A);
|
| 349 |
|
|
dprintk(1,
|
| 350 |
|
|
KERN_INFO
|
| 351 |
|
|
"%s: switched to SECAM\n",
|
| 352 |
|
|
I2C_NAME(client));
|
| 353 |
|
|
break;
|
| 354 |
|
|
case VIDEO_MODE_AUTO:
|
| 355 |
|
|
dprintk(1,
|
| 356 |
|
|
KERN_INFO
|
| 357 |
|
|
"%s: TV standard detection...\n",
|
| 358 |
|
|
I2C_NAME(client));
|
| 359 |
|
|
decoder->norm = determine_norm(client);
|
| 360 |
|
|
*(int *) arg = decoder->norm;
|
| 361 |
|
|
break;
|
| 362 |
|
|
default:
|
| 363 |
|
|
return -EPERM;
|
| 364 |
|
|
}
|
| 365 |
|
|
}
|
| 366 |
|
|
break;
|
| 367 |
|
|
|
| 368 |
|
|
case DECODER_SET_INPUT:
|
| 369 |
|
|
v = *(int *) arg;
|
| 370 |
|
|
if (v < 0 || v > SAA7110_MAX_INPUT) {
|
| 371 |
|
|
dprintk(1,
|
| 372 |
|
|
KERN_INFO "%s: input=%d not available\n",
|
| 373 |
|
|
I2C_NAME(client), v);
|
| 374 |
|
|
return -EINVAL;
|
| 375 |
|
|
}
|
| 376 |
|
|
if (decoder->input != v) {
|
| 377 |
|
|
saa7110_selmux(client, v);
|
| 378 |
|
|
dprintk(1, KERN_INFO "%s: switched to input=%d\n",
|
| 379 |
|
|
I2C_NAME(client), v);
|
| 380 |
|
|
}
|
| 381 |
|
|
break;
|
| 382 |
|
|
|
| 383 |
|
|
case DECODER_SET_OUTPUT:
|
| 384 |
|
|
v = *(int *) arg;
|
| 385 |
|
|
/* not much choice of outputs */
|
| 386 |
|
|
if (v != 0)
|
| 387 |
|
|
return -EINVAL;
|
| 388 |
|
|
break;
|
| 389 |
|
|
|
| 390 |
|
|
case DECODER_ENABLE_OUTPUT:
|
| 391 |
|
|
v = *(int *) arg;
|
| 392 |
|
|
if (decoder->enable != v) {
|
| 393 |
|
|
decoder->enable = v;
|
| 394 |
|
|
saa7110_write(client, 0x0E, v ? 0x18 : 0x80);
|
| 395 |
|
|
dprintk(1, KERN_INFO "%s: YUV %s\n", I2C_NAME(client),
|
| 396 |
|
|
v ? "on" : "off");
|
| 397 |
|
|
}
|
| 398 |
|
|
break;
|
| 399 |
|
|
|
| 400 |
|
|
case DECODER_SET_PICTURE:
|
| 401 |
|
|
{
|
| 402 |
|
|
struct video_picture *pic = arg;
|
| 403 |
|
|
|
| 404 |
|
|
if (decoder->bright != pic->brightness) {
|
| 405 |
|
|
/* We want 0 to 255 we get 0-65535 */
|
| 406 |
|
|
decoder->bright = pic->brightness;
|
| 407 |
|
|
saa7110_write(client, 0x19, decoder->bright >> 8);
|
| 408 |
|
|
}
|
| 409 |
|
|
if (decoder->contrast != pic->contrast) {
|
| 410 |
|
|
/* We want 0 to 127 we get 0-65535 */
|
| 411 |
|
|
decoder->contrast = pic->contrast;
|
| 412 |
|
|
saa7110_write(client, 0x13,
|
| 413 |
|
|
decoder->contrast >> 9);
|
| 414 |
|
|
}
|
| 415 |
|
|
if (decoder->sat != pic->colour) {
|
| 416 |
|
|
/* We want 0 to 127 we get 0-65535 */
|
| 417 |
|
|
decoder->sat = pic->colour;
|
| 418 |
|
|
saa7110_write(client, 0x12, decoder->sat >> 9);
|
| 419 |
|
|
}
|
| 420 |
|
|
if (decoder->hue != pic->hue) {
|
| 421 |
|
|
/* We want -128 to 127 we get 0-65535 */
|
| 422 |
|
|
decoder->hue = pic->hue;
|
| 423 |
|
|
saa7110_write(client, 0x07,
|
| 424 |
|
|
(decoder->hue >> 8) - 128);
|
| 425 |
|
|
}
|
| 426 |
|
|
}
|
| 427 |
|
|
break;
|
| 428 |
|
|
|
| 429 |
|
|
case DECODER_DUMP:
|
| 430 |
|
|
for (v = 0; v < SAA7110_NR_REG; v += 16) {
|
| 431 |
|
|
int j;
|
| 432 |
|
|
dprintk(1, KERN_DEBUG "%s: %02x:", I2C_NAME(client),
|
| 433 |
|
|
v);
|
| 434 |
|
|
for (j = 0; j < 16 && v + j < SAA7110_NR_REG; j++)
|
| 435 |
|
|
dprintk(1, " %02x", decoder->reg[v + j]);
|
| 436 |
|
|
dprintk(1, "\n");
|
| 437 |
|
|
}
|
| 438 |
|
|
break;
|
| 439 |
|
|
|
| 440 |
|
|
default:
|
| 441 |
|
|
dprintk(1, KERN_INFO "unknown saa7110_command??(%d)\n",
|
| 442 |
|
|
cmd);
|
| 443 |
|
|
return -EINVAL;
|
| 444 |
|
|
}
|
| 445 |
|
|
return 0;
|
| 446 |
|
|
}
|
| 447 |
|
|
|
| 448 |
|
|
/* ----------------------------------------------------------------------- */
|
| 449 |
|
|
|
| 450 |
|
|
/*
|
| 451 |
|
|
* Generic i2c probe
|
| 452 |
|
|
* concerning the addresses: i2c wants 7 bit (without the r/w bit), so '>>1'
|
| 453 |
|
|
*/
|
| 454 |
|
|
static unsigned short normal_i2c[] = {
|
| 455 |
|
|
I2C_SAA7110 >> 1,
|
| 456 |
|
|
(I2C_SAA7110 >> 1) + 1,
|
| 457 |
|
|
I2C_CLIENT_END
|
| 458 |
|
|
};
|
| 459 |
|
|
|
| 460 |
|
|
static unsigned short ignore = I2C_CLIENT_END;
|
| 461 |
|
|
|
| 462 |
|
|
static struct i2c_client_address_data addr_data = {
|
| 463 |
|
|
.normal_i2c = normal_i2c,
|
| 464 |
|
|
.probe = &ignore,
|
| 465 |
|
|
.ignore = &ignore,
|
| 466 |
|
|
};
|
| 467 |
|
|
|
| 468 |
|
|
static struct i2c_driver i2c_driver_saa7110;
|
| 469 |
|
|
|
| 470 |
|
|
static int
|
| 471 |
|
|
saa7110_detect_client (struct i2c_adapter *adapter,
|
| 472 |
|
|
int address,
|
| 473 |
|
|
int kind)
|
| 474 |
|
|
{
|
| 475 |
|
|
struct i2c_client *client;
|
| 476 |
|
|
struct saa7110 *decoder;
|
| 477 |
|
|
int rv;
|
| 478 |
|
|
|
| 479 |
|
|
dprintk(1,
|
| 480 |
|
|
KERN_INFO
|
| 481 |
|
|
"saa7110.c: detecting saa7110 client on address 0x%x\n",
|
| 482 |
|
|
address << 1);
|
| 483 |
|
|
|
| 484 |
|
|
/* Check if the adapter supports the needed features */
|
| 485 |
|
|
if (!i2c_check_functionality
|
| 486 |
|
|
(adapter,
|
| 487 |
|
|
I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
|
| 488 |
|
|
return 0;
|
| 489 |
|
|
|
| 490 |
|
|
client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
|
| 491 |
|
|
if (client == 0)
|
| 492 |
|
|
return -ENOMEM;
|
| 493 |
|
|
client->addr = address;
|
| 494 |
|
|
client->adapter = adapter;
|
| 495 |
|
|
client->driver = &i2c_driver_saa7110;
|
| 496 |
|
|
strlcpy(I2C_NAME(client), "saa7110", sizeof(I2C_NAME(client)));
|
| 497 |
|
|
|
| 498 |
|
|
decoder = kzalloc(sizeof(struct saa7110), GFP_KERNEL);
|
| 499 |
|
|
if (decoder == 0) {
|
| 500 |
|
|
kfree(client);
|
| 501 |
|
|
return -ENOMEM;
|
| 502 |
|
|
}
|
| 503 |
|
|
decoder->norm = VIDEO_MODE_PAL;
|
| 504 |
|
|
decoder->input = 0;
|
| 505 |
|
|
decoder->enable = 1;
|
| 506 |
|
|
decoder->bright = 32768;
|
| 507 |
|
|
decoder->contrast = 32768;
|
| 508 |
|
|
decoder->hue = 32768;
|
| 509 |
|
|
decoder->sat = 32768;
|
| 510 |
|
|
init_waitqueue_head(&decoder->wq);
|
| 511 |
|
|
i2c_set_clientdata(client, decoder);
|
| 512 |
|
|
|
| 513 |
|
|
rv = i2c_attach_client(client);
|
| 514 |
|
|
if (rv) {
|
| 515 |
|
|
kfree(client);
|
| 516 |
|
|
kfree(decoder);
|
| 517 |
|
|
return rv;
|
| 518 |
|
|
}
|
| 519 |
|
|
|
| 520 |
|
|
rv = saa7110_write_block(client, initseq, sizeof(initseq));
|
| 521 |
|
|
if (rv < 0)
|
| 522 |
|
|
dprintk(1, KERN_ERR "%s_attach: init status %d\n",
|
| 523 |
|
|
I2C_NAME(client), rv);
|
| 524 |
|
|
else {
|
| 525 |
|
|
int ver, status;
|
| 526 |
|
|
saa7110_write(client, 0x21, 0x10);
|
| 527 |
|
|
saa7110_write(client, 0x0e, 0x18);
|
| 528 |
|
|
saa7110_write(client, 0x0D, 0x04);
|
| 529 |
|
|
ver = saa7110_read(client);
|
| 530 |
|
|
saa7110_write(client, 0x0D, 0x06);
|
| 531 |
|
|
//mdelay(150);
|
| 532 |
|
|
status = saa7110_read(client);
|
| 533 |
|
|
dprintk(1,
|
| 534 |
|
|
KERN_INFO
|
| 535 |
|
|
"%s_attach: SAA7110A version %x at 0x%02x, status=0x%02x\n",
|
| 536 |
|
|
I2C_NAME(client), ver, client->addr << 1, status);
|
| 537 |
|
|
saa7110_write(client, 0x0D, 0x86);
|
| 538 |
|
|
saa7110_write(client, 0x0F, 0x10);
|
| 539 |
|
|
saa7110_write(client, 0x11, 0x59);
|
| 540 |
|
|
//saa7110_write(client, 0x2E, 0x9A);
|
| 541 |
|
|
}
|
| 542 |
|
|
|
| 543 |
|
|
//saa7110_selmux(client,0);
|
| 544 |
|
|
//determine_norm(client);
|
| 545 |
|
|
/* setup and implicit mode 0 select has been performed */
|
| 546 |
|
|
|
| 547 |
|
|
return 0;
|
| 548 |
|
|
}
|
| 549 |
|
|
|
| 550 |
|
|
static int
|
| 551 |
|
|
saa7110_attach_adapter (struct i2c_adapter *adapter)
|
| 552 |
|
|
{
|
| 553 |
|
|
dprintk(1,
|
| 554 |
|
|
KERN_INFO
|
| 555 |
|
|
"saa7110.c: starting probe for adapter %s (0x%x)\n",
|
| 556 |
|
|
I2C_NAME(adapter), adapter->id);
|
| 557 |
|
|
return i2c_probe(adapter, &addr_data, &saa7110_detect_client);
|
| 558 |
|
|
}
|
| 559 |
|
|
|
| 560 |
|
|
static int
|
| 561 |
|
|
saa7110_detach_client (struct i2c_client *client)
|
| 562 |
|
|
{
|
| 563 |
|
|
struct saa7110 *decoder = i2c_get_clientdata(client);
|
| 564 |
|
|
int err;
|
| 565 |
|
|
|
| 566 |
|
|
err = i2c_detach_client(client);
|
| 567 |
|
|
if (err) {
|
| 568 |
|
|
return err;
|
| 569 |
|
|
}
|
| 570 |
|
|
|
| 571 |
|
|
kfree(decoder);
|
| 572 |
|
|
kfree(client);
|
| 573 |
|
|
|
| 574 |
|
|
return 0;
|
| 575 |
|
|
}
|
| 576 |
|
|
|
| 577 |
|
|
/* ----------------------------------------------------------------------- */
|
| 578 |
|
|
|
| 579 |
|
|
static struct i2c_driver i2c_driver_saa7110 = {
|
| 580 |
|
|
.driver = {
|
| 581 |
|
|
.name = "saa7110",
|
| 582 |
|
|
},
|
| 583 |
|
|
|
| 584 |
|
|
.id = I2C_DRIVERID_SAA7110,
|
| 585 |
|
|
|
| 586 |
|
|
.attach_adapter = saa7110_attach_adapter,
|
| 587 |
|
|
.detach_client = saa7110_detach_client,
|
| 588 |
|
|
.command = saa7110_command,
|
| 589 |
|
|
};
|
| 590 |
|
|
|
| 591 |
|
|
static int __init
|
| 592 |
|
|
saa7110_init (void)
|
| 593 |
|
|
{
|
| 594 |
|
|
return i2c_add_driver(&i2c_driver_saa7110);
|
| 595 |
|
|
}
|
| 596 |
|
|
|
| 597 |
|
|
static void __exit
|
| 598 |
|
|
saa7110_exit (void)
|
| 599 |
|
|
{
|
| 600 |
|
|
i2c_del_driver(&i2c_driver_saa7110);
|
| 601 |
|
|
}
|
| 602 |
|
|
|
| 603 |
|
|
module_init(saa7110_init);
|
| 604 |
|
|
module_exit(saa7110_exit);
|
