2005-11-14 00:08:04 +00:00
|
|
|
/* saa7115 - Philips SAA7114/SAA7115 video decoder driver
|
|
|
|
*
|
|
|
|
* Based on saa7114 driver by Maxim Yevtyushkin, which is based on
|
|
|
|
* the saa7111 driver by Dave Perks.
|
|
|
|
*
|
|
|
|
* Copyright (C) 1998 Dave Perks <dperks@ibm.net>
|
|
|
|
* Copyright (C) 2002 Maxim Yevtyushkin <max@linuxmedialabs.com>
|
|
|
|
*
|
|
|
|
* Slight changes for video timing and attachment output by
|
|
|
|
* Wolfgang Scherr <scherr@net4you.net>
|
|
|
|
*
|
|
|
|
* Moved over to the linux >= 2.4.x i2c protocol (1/1/2003)
|
|
|
|
* by Ronald Bultje <rbultje@ronald.bitfreak.net>
|
|
|
|
*
|
|
|
|
* Added saa7115 support by Kevin Thayer <nufan_wfk at yahoo.com>
|
|
|
|
* (2/17/2003)
|
|
|
|
*
|
|
|
|
* VBI support (2004) and cleanups (2005) by Hans Verkuil <hverkuil@xs4all.nl>
|
|
|
|
*
|
|
|
|
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
|
|
#include <linux/kernel.h>
|
|
|
|
#include <linux/module.h>
|
|
|
|
#include <linux/slab.h>
|
|
|
|
#include <linux/i2c.h>
|
|
|
|
#include <linux/videodev2.h>
|
|
|
|
#include <media/v4l2-common.h>
|
2006-01-09 17:25:45 +00:00
|
|
|
#include <media/audiochip.h>
|
2006-01-09 17:25:41 +00:00
|
|
|
#include <asm/div64.h>
|
2005-11-14 00:08:04 +00:00
|
|
|
|
|
|
|
MODULE_DESCRIPTION("Philips SAA7114/SAA7115 video decoder driver");
|
2005-11-14 00:08:05 +00:00
|
|
|
MODULE_AUTHOR("Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, Hans Verkuil");
|
2005-11-14 00:08:04 +00:00
|
|
|
MODULE_LICENSE("GPL");
|
|
|
|
|
|
|
|
static int debug = 0;
|
2006-01-09 17:32:40 +00:00
|
|
|
module_param(debug, bool, 0644);
|
2005-11-14 00:08:04 +00:00
|
|
|
|
|
|
|
MODULE_PARM_DESC(debug, "Debug level (0-1)");
|
|
|
|
|
|
|
|
static unsigned short normal_i2c[] = { 0x42 >> 1, 0x40 >> 1, I2C_CLIENT_END };
|
|
|
|
|
|
|
|
|
|
|
|
I2C_CLIENT_INSMOD;
|
|
|
|
|
|
|
|
struct saa7115_state {
|
|
|
|
v4l2_std_id std;
|
|
|
|
int input;
|
|
|
|
int enable;
|
2006-01-09 17:25:44 +00:00
|
|
|
int radio;
|
2005-11-14 00:08:04 +00:00
|
|
|
int bright;
|
|
|
|
int contrast;
|
|
|
|
int hue;
|
|
|
|
int sat;
|
|
|
|
enum v4l2_chip_ident ident;
|
2006-01-09 17:25:41 +00:00
|
|
|
u32 audclk_freq;
|
2005-11-14 00:08:04 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
static inline int saa7115_write(struct i2c_client *client, u8 reg, u8 value)
|
|
|
|
{
|
|
|
|
return i2c_smbus_write_byte_data(client, reg, value);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int saa7115_writeregs(struct i2c_client *client, const unsigned char *regs)
|
|
|
|
{
|
|
|
|
unsigned char reg, data;
|
|
|
|
|
|
|
|
while (*regs != 0x00) {
|
|
|
|
reg = *(regs++);
|
|
|
|
data = *(regs++);
|
|
|
|
if (saa7115_write(client, reg, data) < 0)
|
|
|
|
return -1;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline int saa7115_read(struct i2c_client *client, u8 reg)
|
|
|
|
{
|
|
|
|
return i2c_smbus_read_byte_data(client, reg);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
/* If a value differs from the Hauppauge driver values, then the comment starts with
|
|
|
|
'was 0xXX' to denote the Hauppauge value. Otherwise the value is identical to what the
|
|
|
|
Hauppauge driver sets. */
|
|
|
|
|
|
|
|
static const unsigned char saa7115_init_auto_input[] = {
|
|
|
|
0x01, 0x48, /* white peak control disabled */
|
|
|
|
0x03, 0x20, /* was 0x30. 0x20: long vertical blanking */
|
|
|
|
0x04, 0x90, /* analog gain set to 0 */
|
|
|
|
0x05, 0x90, /* analog gain set to 0 */
|
|
|
|
0x06, 0xeb, /* horiz sync begin = -21 */
|
|
|
|
0x07, 0xe0, /* horiz sync stop = -17 */
|
|
|
|
0x0a, 0x80, /* was 0x88. decoder brightness, 0x80 is itu standard */
|
|
|
|
0x0b, 0x44, /* was 0x48. decoder contrast, 0x44 is itu standard */
|
|
|
|
0x0c, 0x40, /* was 0x47. decoder saturation, 0x40 is itu standard */
|
|
|
|
0x0d, 0x00, /* chrominance hue control */
|
|
|
|
0x0f, 0x00, /* chrominance gain control: use automicatic mode */
|
|
|
|
0x10, 0x06, /* chrominance/luminance control: active adaptive combfilter */
|
|
|
|
0x11, 0x00, /* delay control */
|
|
|
|
0x12, 0x9d, /* RTS0 output control: VGATE */
|
|
|
|
0x13, 0x80, /* X-port output control: ITU656 standard mode, RTCO output enable RTCE */
|
|
|
|
0x14, 0x00, /* analog/ADC/auto compatibility control */
|
|
|
|
0x18, 0x40, /* raw data gain 0x00 = nominal */
|
|
|
|
0x19, 0x80, /* raw data offset 0x80 = 0 LSB */
|
|
|
|
0x1a, 0x77, /* color killer level control 0x77 = recommended */
|
|
|
|
0x1b, 0x42, /* misc chroma control 0x42 = recommended */
|
|
|
|
0x1c, 0xa9, /* combfilter control 0xA9 = recommended */
|
|
|
|
0x1d, 0x01, /* combfilter control 0x01 = recommended */
|
|
|
|
0x88, 0xd0, /* reset device */
|
|
|
|
0x88, 0xf0, /* set device programmed, all in operational mode */
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
|
|
|
|
static const unsigned char saa7115_cfg_reset_scaler[] = {
|
|
|
|
0x87, 0x00, /* disable I-port output */
|
|
|
|
0x88, 0xd0, /* reset scaler */
|
|
|
|
0x88, 0xf0, /* activate scaler */
|
|
|
|
0x87, 0x01, /* enable I-port output */
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
|
|
|
|
/* ============== SAA7715 VIDEO templates ============= */
|
|
|
|
|
|
|
|
static const unsigned char saa7115_cfg_60hz_fullres_x[] = {
|
|
|
|
0xcc, 0xd0, /* hsize low (output), hor. output window size = 0x2d0 = 720 */
|
|
|
|
0xcd, 0x02, /* hsize hi (output) */
|
|
|
|
|
|
|
|
/* Why not in 60hz-Land, too? */
|
|
|
|
0xd0, 0x01, /* downscale = 1 */
|
|
|
|
0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */
|
|
|
|
0xd9, 0x04,
|
|
|
|
0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */
|
|
|
|
0xdd, 0x02, /* H-scaling incr chroma */
|
|
|
|
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
static const unsigned char saa7115_cfg_60hz_fullres_y[] = {
|
|
|
|
0xce, 0xf8, /* vsize low (output), ver. output window size = 248 (but 60hz is 240?) */
|
|
|
|
0xcf, 0x00, /* vsize hi (output) */
|
|
|
|
|
|
|
|
/* Why not in 60hz-Land, too? */
|
|
|
|
0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */
|
|
|
|
0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */
|
|
|
|
|
|
|
|
0xe0, 0x00, /* V-scaling incr luma low */
|
|
|
|
0xe1, 0x04, /* " hi */
|
|
|
|
0xe2, 0x00, /* V-scaling incr chroma low */
|
|
|
|
0xe3, 0x04, /* " hi */
|
|
|
|
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
|
|
|
|
static const unsigned char saa7115_cfg_60hz_video[] = {
|
|
|
|
0x80, 0x00, /* reset tasks */
|
|
|
|
0x88, 0xd0, /* reset scaler */
|
|
|
|
|
|
|
|
0x15, 0x03, /* VGATE pulse start */
|
|
|
|
0x16, 0x11, /* VGATE pulse stop */
|
|
|
|
0x17, 0x9c, /* VGATE MSB and other values */
|
|
|
|
|
|
|
|
0x08, 0x68, /* 0xBO: auto detection, 0x68 = NTSC */
|
|
|
|
0x0e, 0x07, /* lots of different stuff... video autodetection is on */
|
|
|
|
|
|
|
|
0x5a, 0x06, /* Vertical offset, standard 60hz value for ITU656 line counting */
|
|
|
|
|
|
|
|
/* Task A */
|
|
|
|
0x90, 0x80, /* Task Handling Control */
|
|
|
|
0x91, 0x48, /* X-port formats/config */
|
|
|
|
0x92, 0x40, /* Input Ref. signal Def. */
|
|
|
|
0x93, 0x84, /* I-port config */
|
|
|
|
0x94, 0x01, /* hoffset low (input), 0x0002 is minimum */
|
|
|
|
0x95, 0x00, /* hoffset hi (input) */
|
|
|
|
0x96, 0xd0, /* hsize low (input), 0x02d0 = 720 */
|
|
|
|
0x97, 0x02, /* hsize hi (input) */
|
|
|
|
0x98, 0x05, /* voffset low (input) */
|
|
|
|
0x99, 0x00, /* voffset hi (input) */
|
|
|
|
0x9a, 0x0c, /* vsize low (input), 0x0c = 12 */
|
|
|
|
0x9b, 0x00, /* vsize hi (input) */
|
|
|
|
0x9c, 0xa0, /* hsize low (output), 0x05a0 = 1440 */
|
|
|
|
0x9d, 0x05, /* hsize hi (output) */
|
|
|
|
0x9e, 0x0c, /* vsize low (output), 0x0c = 12 */
|
|
|
|
0x9f, 0x00, /* vsize hi (output) */
|
|
|
|
|
|
|
|
/* Task B */
|
|
|
|
0xc0, 0x00, /* Task Handling Control */
|
|
|
|
0xc1, 0x08, /* X-port formats/config */
|
|
|
|
0xc2, 0x00, /* Input Ref. signal Def. */
|
|
|
|
0xc3, 0x80, /* I-port config */
|
|
|
|
0xc4, 0x02, /* hoffset low (input), 0x0002 is minimum */
|
|
|
|
0xc5, 0x00, /* hoffset hi (input) */
|
|
|
|
0xc6, 0xd0, /* hsize low (input), 0x02d0 = 720 */
|
|
|
|
0xc7, 0x02, /* hsize hi (input) */
|
|
|
|
0xc8, 0x12, /* voffset low (input), 0x12 = 18 */
|
|
|
|
0xc9, 0x00, /* voffset hi (input) */
|
|
|
|
0xca, 0xf8, /* vsize low (input), 0xf8 = 248 */
|
|
|
|
0xcb, 0x00, /* vsize hi (input) */
|
|
|
|
0xcc, 0xd0, /* hsize low (output), 0x02d0 = 720 */
|
|
|
|
0xcd, 0x02, /* hsize hi (output) */
|
|
|
|
|
|
|
|
0xf0, 0xad, /* Set PLL Register. 60hz 525 lines per frame, 27 MHz */
|
|
|
|
0xf1, 0x05, /* low bit with 0xF0 */
|
|
|
|
0xf5, 0xad, /* Set pulse generator register */
|
|
|
|
0xf6, 0x01,
|
|
|
|
|
|
|
|
0x87, 0x00, /* Disable I-port output */
|
|
|
|
0x88, 0xd0, /* reset scaler */
|
|
|
|
0x80, 0x20, /* Activate only task "B", continuous mode (was 0xA0) */
|
|
|
|
0x88, 0xf0, /* activate scaler */
|
|
|
|
0x87, 0x01, /* Enable I-port output */
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
|
|
|
|
static const unsigned char saa7115_cfg_50hz_fullres_x[] = {
|
|
|
|
0xcc, 0xd0, /* hsize low (output), 720 same as 60hz */
|
|
|
|
0xcd, 0x02, /* hsize hi (output) */
|
|
|
|
|
|
|
|
0xd0, 0x01, /* down scale = 1 */
|
|
|
|
0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */
|
|
|
|
0xd9, 0x04,
|
|
|
|
0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */
|
|
|
|
0xdd, 0x02, /* H-scaling incr chroma */
|
|
|
|
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
static const unsigned char saa7115_cfg_50hz_fullres_y[] = {
|
|
|
|
0xce, 0x20, /* vsize low (output), 0x0120 = 288 */
|
|
|
|
0xcf, 0x01, /* vsize hi (output) */
|
|
|
|
|
|
|
|
0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */
|
|
|
|
0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */
|
|
|
|
|
|
|
|
0xe0, 0x00, /* V-scaling incr luma low */
|
|
|
|
0xe1, 0x04, /* " hi */
|
|
|
|
0xe2, 0x00, /* V-scaling incr chroma low */
|
|
|
|
0xe3, 0x04, /* " hi */
|
|
|
|
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
|
|
|
|
static const unsigned char saa7115_cfg_50hz_video[] = {
|
|
|
|
0x80, 0x00, /* reset tasks */
|
|
|
|
0x88, 0xd0, /* reset scaler */
|
|
|
|
|
|
|
|
0x15, 0x37, /* VGATE start */
|
|
|
|
0x16, 0x16, /* VGATE stop */
|
|
|
|
0x17, 0x99, /* VGATE MSB and other values */
|
|
|
|
|
|
|
|
0x08, 0x28, /* 0x28 = PAL */
|
|
|
|
0x0e, 0x07, /* chrominance control 1 */
|
|
|
|
|
|
|
|
0x5a, 0x03, /* Vertical offset, standard 50hz value */
|
|
|
|
|
|
|
|
/* Task A */
|
|
|
|
0x90, 0x81, /* Task Handling Control */
|
|
|
|
0x91, 0x48, /* X-port formats/config */
|
|
|
|
0x92, 0x40, /* Input Ref. signal Def. */
|
|
|
|
0x93, 0x84, /* I-port config */
|
|
|
|
/* This is weird: the datasheet says that you should use 2 as the minimum value, */
|
|
|
|
/* but Hauppauge uses 0, and changing that to 2 causes indeed problems (for 50hz) */
|
|
|
|
0x94, 0x00, /* hoffset low (input), 0x0002 is minimum */
|
|
|
|
0x95, 0x00, /* hoffset hi (input) */
|
|
|
|
0x96, 0xd0, /* hsize low (input), 0x02d0 = 720 */
|
|
|
|
0x97, 0x02, /* hsize hi (input) */
|
|
|
|
0x98, 0x03, /* voffset low (input) */
|
|
|
|
0x99, 0x00, /* voffset hi (input) */
|
|
|
|
0x9a, 0x12, /* vsize low (input), 0x12 = 18 */
|
|
|
|
0x9b, 0x00, /* vsize hi (input) */
|
|
|
|
0x9c, 0xa0, /* hsize low (output), 0x05a0 = 1440 */
|
|
|
|
0x9d, 0x05, /* hsize hi (output) */
|
|
|
|
0x9e, 0x12, /* vsize low (output), 0x12 = 18 */
|
|
|
|
0x9f, 0x00, /* vsize hi (output) */
|
|
|
|
|
|
|
|
/* Task B */
|
|
|
|
0xc0, 0x00, /* Task Handling Control */
|
|
|
|
0xc1, 0x08, /* X-port formats/config */
|
|
|
|
0xc2, 0x00, /* Input Ref. signal Def. */
|
|
|
|
0xc3, 0x80, /* I-port config */
|
|
|
|
0xc4, 0x00, /* hoffset low (input), 0x0002 is minimum. See comment at 0x94 above. */
|
|
|
|
0xc5, 0x00, /* hoffset hi (input) */
|
|
|
|
0xc6, 0xd0, /* hsize low (input), 0x02d0 = 720 */
|
|
|
|
0xc7, 0x02, /* hsize hi (input) */
|
|
|
|
0xc8, 0x16, /* voffset low (input), 0x16 = 22 */
|
|
|
|
0xc9, 0x00, /* voffset hi (input) */
|
|
|
|
0xca, 0x20, /* vsize low (input), 0x0120 = 288 */
|
|
|
|
0xcb, 0x01, /* vsize hi (input) */
|
|
|
|
0xcc, 0xd0, /* hsize low (output), 0x02d0 = 720 */
|
|
|
|
0xcd, 0x02, /* hsize hi (output) */
|
|
|
|
0xce, 0x20, /* vsize low (output), 0x0120 = 288 */
|
|
|
|
0xcf, 0x01, /* vsize hi (output) */
|
|
|
|
|
|
|
|
0xf0, 0xb0, /* Set PLL Register. 50hz 625 lines per frame, 27 MHz */
|
|
|
|
0xf1, 0x05, /* low bit with 0xF0, (was 0x05) */
|
|
|
|
0xf5, 0xb0, /* Set pulse generator register */
|
|
|
|
0xf6, 0x01,
|
|
|
|
|
|
|
|
0x87, 0x00, /* Disable I-port output */
|
|
|
|
0x88, 0xd0, /* reset scaler (was 0xD0) */
|
|
|
|
0x80, 0x20, /* Activate only task "B" */
|
|
|
|
0x88, 0xf0, /* activate scaler */
|
|
|
|
0x87, 0x01, /* Enable I-port output */
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
|
|
|
|
/* ============== SAA7715 VIDEO templates (end) ======= */
|
|
|
|
|
|
|
|
static const unsigned char saa7115_cfg_vbi_on[] = {
|
|
|
|
0x80, 0x00, /* reset tasks */
|
|
|
|
0x88, 0xd0, /* reset scaler */
|
|
|
|
0x80, 0x30, /* Activate both tasks */
|
|
|
|
0x88, 0xf0, /* activate scaler */
|
|
|
|
0x87, 0x01, /* Enable I-port output */
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
|
|
|
|
static const unsigned char saa7115_cfg_vbi_off[] = {
|
|
|
|
0x80, 0x00, /* reset tasks */
|
|
|
|
0x88, 0xd0, /* reset scaler */
|
|
|
|
0x80, 0x20, /* Activate only task "B" */
|
|
|
|
0x88, 0xf0, /* activate scaler */
|
|
|
|
0x87, 0x01, /* Enable I-port output */
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
|
|
|
|
static const unsigned char saa7115_init_misc[] = {
|
|
|
|
0x38, 0x03, /* audio stuff */
|
|
|
|
0x39, 0x10,
|
|
|
|
0x3a, 0x08,
|
|
|
|
|
|
|
|
0x81, 0x01, /* reg 0x15,0x16 define blanking window */
|
|
|
|
0x82, 0x00,
|
|
|
|
0x83, 0x01, /* I port settings */
|
|
|
|
0x84, 0x20,
|
|
|
|
0x85, 0x21,
|
|
|
|
0x86, 0xc5,
|
|
|
|
0x87, 0x01,
|
|
|
|
|
|
|
|
/* Task A */
|
|
|
|
0xa0, 0x01, /* down scale = 1 */
|
|
|
|
0xa1, 0x00, /* prescale accumulation length = 1 */
|
|
|
|
0xa2, 0x00, /* dc gain and fir prefilter control */
|
|
|
|
0xa4, 0x80, /* Lum Brightness, nominal value = 0x80 */
|
|
|
|
0xa5, 0x40, /* Lum contrast, nominal value = 0x40 */
|
|
|
|
0xa6, 0x40, /* Chroma satur. nominal value = 0x80 */
|
|
|
|
0xa8, 0x00, /* hor lum scaling 0x0200 = 2 zoom */
|
|
|
|
0xa9, 0x02, /* note: 2 x zoom ensures that VBI lines have same length as video lines. */
|
|
|
|
0xaa, 0x00, /* H-phase offset Luma = 0 */
|
|
|
|
0xac, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */
|
|
|
|
0xad, 0x01, /* H-scaling incr chroma */
|
|
|
|
0xae, 0x00, /* H-phase offset chroma. must be offset luma / 2 */
|
|
|
|
|
|
|
|
0xb0, 0x00, /* V-scaling incr luma low */
|
|
|
|
0xb1, 0x04, /* " hi */
|
|
|
|
0xb2, 0x00, /* V-scaling incr chroma low */
|
|
|
|
0xb3, 0x04, /* " hi */
|
|
|
|
0xb4, 0x01, /* V-scaling mode control */
|
|
|
|
0xb8, 0x00, /* V-phase offset chroma 00 */
|
|
|
|
0xb9, 0x00, /* V-phase offset chroma 01 */
|
|
|
|
0xba, 0x00, /* V-phase offset chroma 10 */
|
|
|
|
0xbb, 0x00, /* V-phase offset chroma 11 */
|
|
|
|
0xbc, 0x00, /* V-phase offset luma 00 */
|
|
|
|
0xbd, 0x00, /* V-phase offset luma 01 */
|
|
|
|
0xbe, 0x00, /* V-phase offset luma 10 */
|
|
|
|
0xbf, 0x00, /* V-phase offset luma 11 */
|
|
|
|
|
|
|
|
/* Task B */
|
|
|
|
0xd0, 0x01, /* down scale = 1 */
|
|
|
|
0xd1, 0x00, /* prescale accumulation length = 1 */
|
|
|
|
0xd2, 0x00, /* dc gain and fir prefilter control */
|
|
|
|
0xd4, 0x80, /* Lum Brightness, nominal value = 0x80 */
|
|
|
|
0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */
|
|
|
|
0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */
|
|
|
|
0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */
|
|
|
|
0xd9, 0x04,
|
|
|
|
0xda, 0x00, /* H-phase offset Luma = 0 */
|
|
|
|
0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */
|
|
|
|
0xdd, 0x02, /* H-scaling incr chroma */
|
|
|
|
0xde, 0x00, /* H-phase offset chroma. must be offset luma / 2 */
|
|
|
|
|
|
|
|
0xe0, 0x00, /* V-scaling incr luma low */
|
|
|
|
0xe1, 0x04, /* " hi */
|
|
|
|
0xe2, 0x00, /* V-scaling incr chroma low */
|
|
|
|
0xe3, 0x04, /* " hi */
|
|
|
|
0xe4, 0x01, /* V-scaling mode control */
|
|
|
|
0xe8, 0x00, /* V-phase offset chroma 00 */
|
|
|
|
0xe9, 0x00, /* V-phase offset chroma 01 */
|
|
|
|
0xea, 0x00, /* V-phase offset chroma 10 */
|
|
|
|
0xeb, 0x00, /* V-phase offset chroma 11 */
|
|
|
|
0xec, 0x00, /* V-phase offset luma 00 */
|
|
|
|
0xed, 0x00, /* V-phase offset luma 01 */
|
|
|
|
0xee, 0x00, /* V-phase offset luma 10 */
|
|
|
|
0xef, 0x00, /* V-phase offset luma 11 */
|
|
|
|
|
|
|
|
0xf2, 0x50, /* crystal clock = 24.576 MHz, target = 27MHz */
|
|
|
|
0xf3, 0x46,
|
|
|
|
0xf4, 0x00,
|
|
|
|
0xf7, 0x4b, /* not the recommended settings! */
|
|
|
|
0xf8, 0x00,
|
|
|
|
0xf9, 0x4b,
|
|
|
|
0xfa, 0x00,
|
|
|
|
0xfb, 0x4b,
|
|
|
|
0xff, 0x88, /* PLL2 lock detection settings: 71 lines 50% phase error */
|
|
|
|
|
|
|
|
/* Turn off VBI */
|
|
|
|
0x40, 0x20, /* No framing code errors allowed. */
|
|
|
|
0x41, 0xff,
|
|
|
|
0x42, 0xff,
|
|
|
|
0x43, 0xff,
|
|
|
|
0x44, 0xff,
|
|
|
|
0x45, 0xff,
|
|
|
|
0x46, 0xff,
|
|
|
|
0x47, 0xff,
|
|
|
|
0x48, 0xff,
|
|
|
|
0x49, 0xff,
|
|
|
|
0x4a, 0xff,
|
|
|
|
0x4b, 0xff,
|
|
|
|
0x4c, 0xff,
|
|
|
|
0x4d, 0xff,
|
|
|
|
0x4e, 0xff,
|
|
|
|
0x4f, 0xff,
|
|
|
|
0x50, 0xff,
|
|
|
|
0x51, 0xff,
|
|
|
|
0x52, 0xff,
|
|
|
|
0x53, 0xff,
|
|
|
|
0x54, 0xff,
|
|
|
|
0x55, 0xff,
|
|
|
|
0x56, 0xff,
|
|
|
|
0x57, 0xff,
|
|
|
|
0x58, 0x40,
|
|
|
|
0x59, 0x47,
|
|
|
|
0x5b, 0x83,
|
|
|
|
0x5d, 0xbd,
|
|
|
|
0x5e, 0x35,
|
|
|
|
|
|
|
|
0x02, 0x84, /* input tuner -> input 4, amplifier active */
|
|
|
|
0x09, 0x53, /* 0x53, was 0x56 for 60hz. luminance control */
|
|
|
|
|
|
|
|
0x80, 0x20, /* enable task B */
|
|
|
|
0x88, 0xd0,
|
|
|
|
0x88, 0xf0,
|
|
|
|
0x00, 0x00
|
|
|
|
};
|
|
|
|
|
|
|
|
static int saa7115_odd_parity(u8 c)
|
|
|
|
{
|
|
|
|
c ^= (c >> 4);
|
|
|
|
c ^= (c >> 2);
|
|
|
|
c ^= (c >> 1);
|
|
|
|
|
|
|
|
return c & 1;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int saa7115_decode_vps(u8 * dst, u8 * p)
|
|
|
|
{
|
|
|
|
static const u8 biphase_tbl[] = {
|
|
|
|
0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
|
|
|
|
0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
|
|
|
|
0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96,
|
|
|
|
0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2,
|
|
|
|
0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94,
|
|
|
|
0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0,
|
|
|
|
0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
|
|
|
|
0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
|
|
|
|
0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5,
|
|
|
|
0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1,
|
|
|
|
0xc3, 0x4b, 0x43, 0xc3, 0x87, 0x0f, 0x07, 0x87,
|
|
|
|
0x83, 0x0b, 0x03, 0x83, 0xc3, 0x4b, 0x43, 0xc3,
|
|
|
|
0xc1, 0x49, 0x41, 0xc1, 0x85, 0x0d, 0x05, 0x85,
|
|
|
|
0x81, 0x09, 0x01, 0x81, 0xc1, 0x49, 0x41, 0xc1,
|
|
|
|
0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5,
|
|
|
|
0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1,
|
|
|
|
0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4,
|
|
|
|
0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0,
|
|
|
|
0xc2, 0x4a, 0x42, 0xc2, 0x86, 0x0e, 0x06, 0x86,
|
|
|
|
0x82, 0x0a, 0x02, 0x82, 0xc2, 0x4a, 0x42, 0xc2,
|
|
|
|
0xc0, 0x48, 0x40, 0xc0, 0x84, 0x0c, 0x04, 0x84,
|
|
|
|
0x80, 0x08, 0x00, 0x80, 0xc0, 0x48, 0x40, 0xc0,
|
|
|
|
0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4,
|
|
|
|
0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0,
|
|
|
|
0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
|
|
|
|
0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
|
|
|
|
0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96,
|
|
|
|
0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2,
|
|
|
|
0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94,
|
|
|
|
0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0,
|
|
|
|
0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
|
|
|
|
0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
|
|
|
|
};
|
|
|
|
int i;
|
|
|
|
u8 c, err = 0;
|
|
|
|
|
|
|
|
for (i = 0; i < 2 * 13; i += 2) {
|
|
|
|
err |= biphase_tbl[p[i]] | biphase_tbl[p[i + 1]];
|
|
|
|
c = (biphase_tbl[p[i + 1]] & 0xf) | ((biphase_tbl[p[i]] & 0xf) << 4);
|
|
|
|
dst[i / 2] = c;
|
|
|
|
}
|
|
|
|
return err & 0xf0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int saa7115_decode_wss(u8 * p)
|
|
|
|
{
|
|
|
|
static const int wss_bits[8] = {
|
|
|
|
0, 0, 0, 1, 0, 1, 1, 1
|
|
|
|
};
|
|
|
|
unsigned char parity;
|
|
|
|
int wss = 0;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
|
|
int b1 = wss_bits[p[i] & 7];
|
|
|
|
int b2 = wss_bits[(p[i] >> 3) & 7];
|
|
|
|
|
|
|
|
if (b1 == b2)
|
|
|
|
return -1;
|
|
|
|
wss |= b2 << i;
|
|
|
|
}
|
|
|
|
parity = wss & 15;
|
|
|
|
parity ^= parity >> 2;
|
|
|
|
parity ^= parity >> 1;
|
|
|
|
|
|
|
|
if (!(parity & 1))
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
return wss;
|
|
|
|
}
|
|
|
|
|
|
|
|
|
2006-01-09 17:25:41 +00:00
|
|
|
static int saa7115_set_audio_clock_freq(struct i2c_client *client, u32 freq)
|
2005-11-14 00:08:04 +00:00
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
2006-01-09 17:25:41 +00:00
|
|
|
u32 acpf;
|
|
|
|
u32 acni;
|
|
|
|
u32 hz;
|
|
|
|
u64 f;
|
2005-11-14 00:08:04 +00:00
|
|
|
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "set audio clock freq: %d\n", freq);
|
2006-01-09 17:25:41 +00:00
|
|
|
|
|
|
|
/* sanity check */
|
|
|
|
if (freq < 32000 || freq > 48000)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
/* hz is the refresh rate times 100 */
|
|
|
|
hz = (state->std & V4L2_STD_525_60) ? 5994 : 5000;
|
|
|
|
/* acpf = (256 * freq) / field_frequency == (256 * 100 * freq) / hz */
|
|
|
|
acpf = (25600 * freq) / hz;
|
|
|
|
/* acni = (256 * freq * 2^23) / crystal_frequency =
|
|
|
|
(freq * 2^(8+23)) / crystal_frequency =
|
|
|
|
(freq << 31) / 32.11 MHz */
|
|
|
|
f = freq;
|
|
|
|
f = f << 31;
|
|
|
|
do_div(f, 32110000);
|
|
|
|
acni = f;
|
|
|
|
|
|
|
|
saa7115_write(client, 0x30, acpf & 0xff);
|
|
|
|
saa7115_write(client, 0x31, (acpf >> 8) & 0xff);
|
|
|
|
saa7115_write(client, 0x32, (acpf >> 16) & 0x03);
|
|
|
|
saa7115_write(client, 0x34, acni & 0xff);
|
|
|
|
saa7115_write(client, 0x35, (acni >> 8) & 0xff);
|
|
|
|
saa7115_write(client, 0x36, (acni >> 16) & 0x3f);
|
2005-11-14 00:08:04 +00:00
|
|
|
state->audclk_freq = freq;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int saa7115_set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
|
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
|
|
|
|
switch (ctrl->id) {
|
|
|
|
case V4L2_CID_BRIGHTNESS:
|
|
|
|
if (ctrl->value < 0 || ctrl->value > 255) {
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_err(client, "invalid brightness setting %d\n", ctrl->value);
|
2005-11-14 00:08:04 +00:00
|
|
|
return -ERANGE;
|
|
|
|
}
|
|
|
|
|
|
|
|
state->bright = ctrl->value;
|
|
|
|
saa7115_write(client, 0x0a, state->bright);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case V4L2_CID_CONTRAST:
|
|
|
|
if (ctrl->value < 0 || ctrl->value > 127) {
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_err(client, "invalid contrast setting %d\n", ctrl->value);
|
2005-11-14 00:08:04 +00:00
|
|
|
return -ERANGE;
|
|
|
|
}
|
|
|
|
|
|
|
|
state->contrast = ctrl->value;
|
|
|
|
saa7115_write(client, 0x0b, state->contrast);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case V4L2_CID_SATURATION:
|
|
|
|
if (ctrl->value < 0 || ctrl->value > 127) {
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_err(client, "invalid saturation setting %d\n", ctrl->value);
|
2005-11-14 00:08:04 +00:00
|
|
|
return -ERANGE;
|
|
|
|
}
|
|
|
|
|
|
|
|
state->sat = ctrl->value;
|
|
|
|
saa7115_write(client, 0x0c, state->sat);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case V4L2_CID_HUE:
|
|
|
|
if (ctrl->value < -127 || ctrl->value > 127) {
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_err(client, "invalid hue setting %d\n", ctrl->value);
|
2005-11-14 00:08:04 +00:00
|
|
|
return -ERANGE;
|
|
|
|
}
|
|
|
|
|
|
|
|
state->hue = ctrl->value;
|
|
|
|
saa7115_write(client, 0x0d, state->hue);
|
|
|
|
break;
|
2006-01-09 17:25:44 +00:00
|
|
|
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
2005-11-14 00:08:04 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int saa7115_get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
|
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
|
|
|
|
switch (ctrl->id) {
|
|
|
|
case V4L2_CID_BRIGHTNESS:
|
|
|
|
ctrl->value = state->bright;
|
|
|
|
break;
|
|
|
|
case V4L2_CID_CONTRAST:
|
|
|
|
ctrl->value = state->contrast;
|
|
|
|
break;
|
|
|
|
case V4L2_CID_SATURATION:
|
|
|
|
ctrl->value = state->sat;
|
|
|
|
break;
|
|
|
|
case V4L2_CID_HUE:
|
|
|
|
ctrl->value = state->hue;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std)
|
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
int taskb = saa7115_read(client, 0x80) & 0x10;
|
|
|
|
|
2006-01-09 17:25:43 +00:00
|
|
|
/* Prevent unnecessary standard changes. During a standard
|
|
|
|
change the I-Port is temporarily disabled. Any devices
|
|
|
|
reading from that port can get confused.
|
|
|
|
Note that VIDIOC_S_STD is also used to switch from
|
|
|
|
radio to TV mode, so if a VIDIOC_S_STD is broadcast to
|
|
|
|
all I2C devices then you do not want to have an unwanted
|
|
|
|
side-effect here. */
|
|
|
|
if (std == state->std)
|
|
|
|
return;
|
|
|
|
|
2005-11-14 00:08:04 +00:00
|
|
|
// This works for NTSC-M, SECAM-L and the 50Hz PAL variants.
|
|
|
|
if (std & V4L2_STD_525_60) {
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "decoder set standard 60 Hz\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_writeregs(client, saa7115_cfg_60hz_video);
|
|
|
|
} else {
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "decoder set standard 50 Hz\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_writeregs(client, saa7115_cfg_50hz_video);
|
|
|
|
}
|
|
|
|
|
|
|
|
state->std = std;
|
|
|
|
|
|
|
|
/* restart task B if needed */
|
|
|
|
if (taskb && state->ident == V4L2_IDENT_SAA7114) {
|
|
|
|
saa7115_writeregs(client, saa7115_cfg_vbi_on);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* switch audio mode too! */
|
|
|
|
saa7115_set_audio_clock_freq(client, state->audclk_freq);
|
|
|
|
}
|
|
|
|
|
|
|
|
static v4l2_std_id saa7115_get_v4lstd(struct i2c_client *client)
|
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
|
|
|
|
return state->std;
|
|
|
|
}
|
|
|
|
|
|
|
|
static void saa7115_log_status(struct i2c_client *client)
|
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
int reg1e, reg1f;
|
|
|
|
int signalOk;
|
|
|
|
int vcr;
|
|
|
|
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "Audio frequency: %d Hz\n", state->audclk_freq);
|
2005-11-14 00:08:04 +00:00
|
|
|
if (client->name[6] == '4') {
|
|
|
|
/* status for the saa7114 */
|
|
|
|
reg1f = saa7115_read(client, 0x1f);
|
|
|
|
signalOk = (reg1f & 0xc1) == 0x81;
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "Video signal: %s\n", signalOk ? "ok" : "bad");
|
|
|
|
v4l_info(client, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz");
|
2005-11-14 00:08:04 +00:00
|
|
|
return;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* status for the saa7115 */
|
|
|
|
reg1e = saa7115_read(client, 0x1e);
|
|
|
|
reg1f = saa7115_read(client, 0x1f);
|
|
|
|
|
|
|
|
signalOk = (reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80;
|
|
|
|
vcr = !(reg1f & 0x10);
|
|
|
|
|
2006-01-09 17:25:41 +00:00
|
|
|
if (state->input >= 6) {
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "Input: S-Video %d\n", state->input - 6);
|
2006-01-09 17:25:41 +00:00
|
|
|
} else {
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "Input: Composite %d\n", state->input);
|
2006-01-09 17:25:41 +00:00
|
|
|
}
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad");
|
|
|
|
v4l_info(client, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz");
|
2005-11-14 00:08:04 +00:00
|
|
|
|
|
|
|
switch (reg1e & 0x03) {
|
|
|
|
case 1:
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "Detected format: NTSC\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
break;
|
|
|
|
case 2:
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "Detected format: PAL\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
break;
|
|
|
|
case 3:
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "Detected format: SECAM\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
break;
|
|
|
|
default:
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "Detected format: BW/No color\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* setup the sliced VBI lcr registers according to the sliced VBI format */
|
|
|
|
static void saa7115_set_lcr(struct i2c_client *client, struct v4l2_sliced_vbi_format *fmt)
|
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
int is_50hz = (state->std & V4L2_STD_625_50);
|
|
|
|
u8 lcr[24];
|
|
|
|
int i, x;
|
|
|
|
|
|
|
|
/* saa7114 doesn't yet support VBI */
|
|
|
|
if (state->ident == V4L2_IDENT_SAA7114)
|
|
|
|
return;
|
|
|
|
|
|
|
|
for (i = 0; i <= 23; i++)
|
|
|
|
lcr[i] = 0xff;
|
|
|
|
|
|
|
|
if (fmt->service_set == 0) {
|
|
|
|
/* raw VBI */
|
|
|
|
if (is_50hz)
|
|
|
|
for (i = 6; i <= 23; i++)
|
|
|
|
lcr[i] = 0xdd;
|
|
|
|
else
|
|
|
|
for (i = 10; i <= 21; i++)
|
|
|
|
lcr[i] = 0xdd;
|
|
|
|
} else {
|
|
|
|
/* sliced VBI */
|
|
|
|
/* first clear lines that cannot be captured */
|
|
|
|
if (is_50hz) {
|
|
|
|
for (i = 0; i <= 5; i++)
|
|
|
|
fmt->service_lines[0][i] =
|
|
|
|
fmt->service_lines[1][i] = 0;
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
for (i = 0; i <= 9; i++)
|
|
|
|
fmt->service_lines[0][i] =
|
|
|
|
fmt->service_lines[1][i] = 0;
|
|
|
|
for (i = 22; i <= 23; i++)
|
|
|
|
fmt->service_lines[0][i] =
|
|
|
|
fmt->service_lines[1][i] = 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Now set the lcr values according to the specified service */
|
|
|
|
for (i = 6; i <= 23; i++) {
|
|
|
|
lcr[i] = 0;
|
|
|
|
for (x = 0; x <= 1; x++) {
|
|
|
|
switch (fmt->service_lines[1-x][i]) {
|
|
|
|
case 0:
|
|
|
|
lcr[i] |= 0xf << (4 * x);
|
|
|
|
break;
|
|
|
|
case V4L2_SLICED_TELETEXT_B:
|
|
|
|
lcr[i] |= 1 << (4 * x);
|
|
|
|
break;
|
|
|
|
case V4L2_SLICED_CAPTION_525:
|
|
|
|
lcr[i] |= 4 << (4 * x);
|
|
|
|
break;
|
|
|
|
case V4L2_SLICED_WSS_625:
|
|
|
|
lcr[i] |= 5 << (4 * x);
|
|
|
|
break;
|
|
|
|
case V4L2_SLICED_VPS:
|
|
|
|
lcr[i] |= 7 << (4 * x);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* write the lcr registers */
|
|
|
|
for (i = 2; i <= 23; i++) {
|
|
|
|
saa7115_write(client, i - 2 + 0x41, lcr[i]);
|
|
|
|
}
|
|
|
|
|
|
|
|
/* enable/disable raw VBI capturing */
|
|
|
|
saa7115_writeregs(client, fmt->service_set == 0 ? saa7115_cfg_vbi_on : saa7115_cfg_vbi_off);
|
|
|
|
}
|
|
|
|
|
|
|
|
static int saa7115_get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
|
|
|
|
{
|
|
|
|
static u16 lcr2vbi[] = {
|
|
|
|
0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */
|
|
|
|
0, V4L2_SLICED_CAPTION_525, /* 4 */
|
|
|
|
V4L2_SLICED_WSS_625, 0, /* 5 */
|
|
|
|
V4L2_SLICED_VPS, 0, 0, 0, 0, /* 7 */
|
|
|
|
0, 0, 0, 0
|
|
|
|
};
|
|
|
|
struct v4l2_sliced_vbi_format *sliced = &fmt->fmt.sliced;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
|
|
|
|
return -EINVAL;
|
|
|
|
memset(sliced, 0, sizeof(*sliced));
|
|
|
|
/* done if using raw VBI */
|
|
|
|
if (saa7115_read(client, 0x80) & 0x10)
|
|
|
|
return 0;
|
|
|
|
for (i = 2; i <= 23; i++) {
|
|
|
|
u8 v = saa7115_read(client, i - 2 + 0x41);
|
|
|
|
|
|
|
|
sliced->service_lines[0][i] = lcr2vbi[v >> 4];
|
|
|
|
sliced->service_lines[1][i] = lcr2vbi[v & 0xf];
|
|
|
|
sliced->service_set |=
|
|
|
|
sliced->service_lines[0][i] | sliced->service_lines[1][i];
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
|
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
struct v4l2_pix_format *pix;
|
|
|
|
int HPSC, HFSC;
|
|
|
|
int VSCY, Vsrc;
|
|
|
|
int is_50hz = state->std & V4L2_STD_625_50;
|
|
|
|
|
|
|
|
if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
|
|
|
|
saa7115_set_lcr(client, &fmt->fmt.sliced);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
pix = &(fmt->fmt.pix);
|
|
|
|
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "decoder set size\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
|
|
|
|
/* FIXME need better bounds checking here */
|
|
|
|
if ((pix->width < 1) || (pix->width > 1440))
|
|
|
|
return -EINVAL;
|
|
|
|
if ((pix->height < 1) || (pix->height > 960))
|
|
|
|
return -EINVAL;
|
|
|
|
|
|
|
|
/* probably have a valid size, let's set it */
|
|
|
|
/* Set output width/height */
|
|
|
|
/* width */
|
|
|
|
saa7115_write(client, 0xcc, (u8) (pix->width & 0xff));
|
|
|
|
saa7115_write(client, 0xcd, (u8) ((pix->width >> 8) & 0xff));
|
|
|
|
/* height */
|
|
|
|
saa7115_write(client, 0xce, (u8) (pix->height & 0xff));
|
|
|
|
saa7115_write(client, 0xcf, (u8) ((pix->height >> 8) & 0xff));
|
|
|
|
|
|
|
|
/* Scaling settings */
|
|
|
|
/* Hprescaler is floor(inres/outres) */
|
|
|
|
/* FIXME hardcoding input res */
|
|
|
|
if (pix->width != 720) {
|
|
|
|
HPSC = (int)(720 / pix->width);
|
|
|
|
/* 0 is not allowed (div. by zero) */
|
|
|
|
HPSC = HPSC ? HPSC : 1;
|
|
|
|
HFSC = (int)((1024 * 720) / (HPSC * pix->width));
|
|
|
|
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC);
|
2005-11-14 00:08:04 +00:00
|
|
|
/* FIXME hardcodes to "Task B"
|
|
|
|
* write H prescaler integer */
|
|
|
|
saa7115_write(client, 0xd0, (u8) (HPSC & 0x3f));
|
|
|
|
|
|
|
|
/* write H fine-scaling (luminance) */
|
|
|
|
saa7115_write(client, 0xd8, (u8) (HFSC & 0xff));
|
|
|
|
saa7115_write(client, 0xd9, (u8) ((HFSC >> 8) & 0xff));
|
|
|
|
/* write H fine-scaling (chrominance)
|
|
|
|
* must be lum/2, so i'll just bitshift :) */
|
|
|
|
saa7115_write(client, 0xDC, (u8) ((HFSC >> 1) & 0xff));
|
|
|
|
saa7115_write(client, 0xDD, (u8) ((HFSC >> 9) & 0xff));
|
|
|
|
} else {
|
|
|
|
if (is_50hz) {
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "Setting full 50hz width\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_writeregs(client, saa7115_cfg_50hz_fullres_x);
|
|
|
|
} else {
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "Setting full 60hz width\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
Vsrc = is_50hz ? 576 : 480;
|
|
|
|
|
|
|
|
if (pix->height != Vsrc) {
|
|
|
|
VSCY = (int)((1024 * Vsrc) / pix->height);
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
|
2005-11-14 00:08:04 +00:00
|
|
|
|
|
|
|
/* Correct Contrast and Luminance */
|
|
|
|
saa7115_write(client, 0xd5, (u8) (64 * 1024 / VSCY));
|
|
|
|
saa7115_write(client, 0xd6, (u8) (64 * 1024 / VSCY));
|
|
|
|
|
|
|
|
/* write V fine-scaling (luminance) */
|
|
|
|
saa7115_write(client, 0xe0, (u8) (VSCY & 0xff));
|
|
|
|
saa7115_write(client, 0xe1, (u8) ((VSCY >> 8) & 0xff));
|
|
|
|
/* write V fine-scaling (chrominance) */
|
|
|
|
saa7115_write(client, 0xe2, (u8) (VSCY & 0xff));
|
|
|
|
saa7115_write(client, 0xe3, (u8) ((VSCY >> 8) & 0xff));
|
|
|
|
} else {
|
|
|
|
if (is_50hz) {
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "Setting full 50Hz height\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_writeregs(client, saa7115_cfg_50hz_fullres_y);
|
|
|
|
} else {
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "Setting full 60hz height\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y);
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
saa7115_writeregs(client, saa7115_cfg_reset_scaler);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* Decode the sliced VBI data stream as created by the saa7115.
|
|
|
|
The format is described in the saa7115 datasheet in Tables 25 and 26
|
|
|
|
and in Figure 33.
|
|
|
|
The current implementation uses SAV/EAV codes and not the ancillary data
|
|
|
|
headers. The vbi->p pointer points to the SDID byte right after the SAV
|
|
|
|
code. */
|
|
|
|
static void saa7115_decode_vbi_line(struct i2c_client *client,
|
|
|
|
struct v4l2_decode_vbi_line *vbi)
|
|
|
|
{
|
|
|
|
static const char vbi_no_data_pattern[] = {
|
|
|
|
0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0
|
|
|
|
};
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
u8 *p = vbi->p;
|
|
|
|
u32 wss;
|
|
|
|
int id1, id2; /* the ID1 and ID2 bytes from the internal header */
|
|
|
|
|
|
|
|
vbi->type = 0; /* mark result as a failure */
|
|
|
|
id1 = p[2];
|
|
|
|
id2 = p[3];
|
|
|
|
/* Note: the field bit is inverted for 60 Hz video */
|
|
|
|
if (state->std & V4L2_STD_525_60)
|
|
|
|
id1 ^= 0x40;
|
|
|
|
|
|
|
|
/* Skip internal header, p now points to the start of the payload */
|
|
|
|
p += 4;
|
|
|
|
vbi->p = p;
|
|
|
|
|
|
|
|
/* calculate field and line number of the VBI packet (1-23) */
|
|
|
|
vbi->is_second_field = ((id1 & 0x40) != 0);
|
|
|
|
vbi->line = (id1 & 0x3f) << 3;
|
|
|
|
vbi->line |= (id2 & 0x70) >> 4;
|
|
|
|
|
|
|
|
/* Obtain data type */
|
|
|
|
id2 &= 0xf;
|
|
|
|
|
|
|
|
/* If the VBI slicer does not detect any signal it will fill up
|
|
|
|
the payload buffer with 0xa0 bytes. */
|
|
|
|
if (!memcmp(p, vbi_no_data_pattern, sizeof(vbi_no_data_pattern)))
|
|
|
|
return;
|
|
|
|
|
|
|
|
/* decode payloads */
|
|
|
|
switch (id2) {
|
|
|
|
case 1:
|
|
|
|
vbi->type = V4L2_SLICED_TELETEXT_B;
|
|
|
|
break;
|
|
|
|
case 4:
|
|
|
|
if (!saa7115_odd_parity(p[0]) || !saa7115_odd_parity(p[1]))
|
|
|
|
return;
|
|
|
|
vbi->type = V4L2_SLICED_CAPTION_525;
|
|
|
|
break;
|
|
|
|
case 5:
|
|
|
|
wss = saa7115_decode_wss(p);
|
|
|
|
if (wss == -1)
|
|
|
|
return;
|
|
|
|
p[0] = wss & 0xff;
|
|
|
|
p[1] = wss >> 8;
|
|
|
|
vbi->type = V4L2_SLICED_WSS_625;
|
|
|
|
break;
|
|
|
|
case 7:
|
|
|
|
if (saa7115_decode_vps(p, p) != 0)
|
|
|
|
return;
|
|
|
|
vbi->type = V4L2_SLICED_VPS;
|
|
|
|
break;
|
|
|
|
default:
|
|
|
|
return;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ============ SAA7115 AUDIO settings (end) ============= */
|
|
|
|
|
2006-01-09 17:32:41 +00:00
|
|
|
static struct v4l2_queryctrl saa7115_qctrl[] = {
|
|
|
|
{
|
|
|
|
.id = V4L2_CID_BRIGHTNESS,
|
|
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
|
|
.name = "Brightness",
|
|
|
|
.minimum = 0,
|
|
|
|
.maximum = 255,
|
|
|
|
.step = 1,
|
|
|
|
.default_value = 128,
|
|
|
|
.flags = 0,
|
|
|
|
}, {
|
|
|
|
.id = V4L2_CID_CONTRAST,
|
|
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
|
|
.name = "Contrast",
|
|
|
|
.minimum = 0,
|
2006-02-27 03:08:20 +00:00
|
|
|
.maximum = 127,
|
2006-01-09 17:32:41 +00:00
|
|
|
.step = 1,
|
|
|
|
.default_value = 64,
|
|
|
|
.flags = 0,
|
|
|
|
}, {
|
|
|
|
.id = V4L2_CID_SATURATION,
|
|
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
|
|
.name = "Saturation",
|
|
|
|
.minimum = 0,
|
2006-02-27 03:08:20 +00:00
|
|
|
.maximum = 127,
|
2006-01-09 17:32:41 +00:00
|
|
|
.step = 1,
|
|
|
|
.default_value = 64,
|
|
|
|
.flags = 0,
|
|
|
|
}, {
|
|
|
|
.id = V4L2_CID_HUE,
|
|
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
|
|
.name = "Hue",
|
|
|
|
.minimum = -128,
|
|
|
|
.maximum = 127,
|
|
|
|
.step = 1,
|
|
|
|
.default_value = 0,
|
|
|
|
.flags = 0,
|
|
|
|
},
|
|
|
|
};
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
|
2005-11-14 00:08:04 +00:00
|
|
|
static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg)
|
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
int *iarg = arg;
|
|
|
|
|
|
|
|
/* ioctls to allow direct access to the saa7115 registers for testing */
|
|
|
|
switch (cmd) {
|
|
|
|
case VIDIOC_S_FMT:
|
|
|
|
return saa7115_set_v4lfmt(client, (struct v4l2_format *)arg);
|
|
|
|
|
|
|
|
case VIDIOC_G_FMT:
|
|
|
|
return saa7115_get_v4lfmt(client, (struct v4l2_format *)arg);
|
|
|
|
|
|
|
|
case VIDIOC_INT_AUDIO_CLOCK_FREQ:
|
2006-01-09 17:25:41 +00:00
|
|
|
return saa7115_set_audio_clock_freq(client, *(u32 *)arg);
|
2005-11-14 00:08:04 +00:00
|
|
|
|
|
|
|
case VIDIOC_G_TUNER:
|
|
|
|
{
|
|
|
|
struct v4l2_tuner *vt = arg;
|
|
|
|
int status;
|
|
|
|
|
2006-01-09 17:25:44 +00:00
|
|
|
if (state->radio)
|
|
|
|
break;
|
2005-11-14 00:08:04 +00:00
|
|
|
status = saa7115_read(client, 0x1f);
|
|
|
|
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "status: 0x%02x\n", status);
|
2005-11-14 00:08:04 +00:00
|
|
|
vt->signal = ((status & (1 << 6)) == 0) ? 0xffff : 0x0;
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case VIDIOC_LOG_STATUS:
|
|
|
|
saa7115_log_status(client);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case VIDIOC_G_CTRL:
|
|
|
|
return saa7115_get_v4lctrl(client, (struct v4l2_control *)arg);
|
|
|
|
|
|
|
|
case VIDIOC_S_CTRL:
|
|
|
|
return saa7115_set_v4lctrl(client, (struct v4l2_control *)arg);
|
|
|
|
|
2006-01-09 17:32:41 +00:00
|
|
|
case VIDIOC_QUERYCTRL:
|
|
|
|
{
|
|
|
|
struct v4l2_queryctrl *qc = arg;
|
|
|
|
int i;
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(saa7115_qctrl); i++)
|
|
|
|
if (qc->id && qc->id == saa7115_qctrl[i].id) {
|
|
|
|
memcpy(qc, &saa7115_qctrl[i], sizeof(*qc));
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
2005-11-14 00:08:04 +00:00
|
|
|
case VIDIOC_G_STD:
|
|
|
|
*(v4l2_std_id *)arg = saa7115_get_v4lstd(client);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case VIDIOC_S_STD:
|
2006-01-09 17:25:44 +00:00
|
|
|
state->radio = 0;
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_set_v4lstd(client, *(v4l2_std_id *)arg);
|
|
|
|
break;
|
|
|
|
|
2006-01-09 17:25:44 +00:00
|
|
|
case AUDC_SET_RADIO:
|
|
|
|
state->radio = 1;
|
|
|
|
break;
|
|
|
|
|
2005-11-14 00:08:04 +00:00
|
|
|
case VIDIOC_G_INPUT:
|
|
|
|
*(int *)arg = state->input;
|
|
|
|
break;
|
|
|
|
|
|
|
|
case VIDIOC_S_INPUT:
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "decoder set input %d\n", *iarg);
|
2005-11-14 00:08:04 +00:00
|
|
|
/* inputs from 0-9 are available */
|
|
|
|
if (*iarg < 0 || *iarg > 9) {
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
if (state->input == *iarg)
|
|
|
|
break;
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "now setting %s input\n",
|
2005-11-14 00:08:04 +00:00
|
|
|
*iarg >= 6 ? "S-Video" : "Composite");
|
|
|
|
state->input = *iarg;
|
|
|
|
|
|
|
|
/* select mode */
|
|
|
|
saa7115_write(client, 0x02,
|
|
|
|
(saa7115_read(client, 0x02) & 0xf0) |
|
|
|
|
state->input);
|
|
|
|
|
|
|
|
/* bypass chrominance trap for modes 6..9 */
|
|
|
|
saa7115_write(client, 0x09,
|
|
|
|
(saa7115_read(client, 0x09) & 0x7f) |
|
|
|
|
(state->input < 6 ? 0x0 : 0x80));
|
|
|
|
break;
|
|
|
|
|
|
|
|
case VIDIOC_STREAMON:
|
|
|
|
case VIDIOC_STREAMOFF:
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "%s output\n",
|
2005-11-14 00:08:04 +00:00
|
|
|
(cmd == VIDIOC_STREAMON) ? "enable" : "disable");
|
|
|
|
|
|
|
|
if (state->enable != (cmd == VIDIOC_STREAMON)) {
|
|
|
|
state->enable = (cmd == VIDIOC_STREAMON);
|
|
|
|
saa7115_write(client, 0x87, state->enable);
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
|
|
|
|
case VIDIOC_INT_DECODE_VBI_LINE:
|
|
|
|
saa7115_decode_vbi_line(client, arg);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case VIDIOC_INT_RESET:
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "decoder RESET\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_writeregs(client, saa7115_cfg_reset_scaler);
|
|
|
|
break;
|
|
|
|
|
|
|
|
case VIDIOC_INT_G_VBI_DATA:
|
|
|
|
{
|
|
|
|
struct v4l2_sliced_vbi_data *data = arg;
|
|
|
|
|
|
|
|
switch (data->id) {
|
|
|
|
case V4L2_SLICED_WSS_625:
|
|
|
|
if (saa7115_read(client, 0x6b) & 0xc0)
|
|
|
|
return -EIO;
|
|
|
|
data->data[0] = saa7115_read(client, 0x6c);
|
|
|
|
data->data[1] = saa7115_read(client, 0x6d);
|
|
|
|
return 0;
|
|
|
|
case V4L2_SLICED_CAPTION_525:
|
|
|
|
if (data->field == 0) {
|
|
|
|
/* CC */
|
|
|
|
if (saa7115_read(client, 0x66) & 0xc0)
|
|
|
|
return -EIO;
|
|
|
|
data->data[0] = saa7115_read(client, 0x67);
|
|
|
|
data->data[1] = saa7115_read(client, 0x68);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
/* XDS */
|
|
|
|
if (saa7115_read(client, 0x66) & 0x30)
|
|
|
|
return -EIO;
|
|
|
|
data->data[0] = saa7115_read(client, 0x69);
|
|
|
|
data->data[1] = saa7115_read(client, 0x6a);
|
|
|
|
return 0;
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
|
|
|
case VIDIOC_INT_G_REGISTER:
|
|
|
|
{
|
|
|
|
struct v4l2_register *reg = arg;
|
|
|
|
|
|
|
|
if (reg->i2c_id != I2C_DRIVERID_SAA711X)
|
|
|
|
return -EINVAL;
|
|
|
|
reg->val = saa7115_read(client, reg->reg & 0xff);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
|
|
|
|
case VIDIOC_INT_S_REGISTER:
|
|
|
|
{
|
|
|
|
struct v4l2_register *reg = arg;
|
|
|
|
|
|
|
|
if (reg->i2c_id != I2C_DRIVERID_SAA711X)
|
|
|
|
return -EINVAL;
|
|
|
|
if (!capable(CAP_SYS_ADMIN))
|
|
|
|
return -EPERM;
|
|
|
|
saa7115_write(client, reg->reg & 0xff, reg->val & 0xff);
|
|
|
|
break;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
case VIDIOC_INT_G_CHIP_IDENT:
|
|
|
|
*iarg = state->ident;
|
|
|
|
break;
|
|
|
|
|
|
|
|
default:
|
|
|
|
return -EINVAL;
|
|
|
|
}
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
static struct i2c_driver i2c_driver_saa7115;
|
|
|
|
|
|
|
|
static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind)
|
|
|
|
{
|
|
|
|
struct i2c_client *client;
|
|
|
|
struct saa7115_state *state;
|
|
|
|
u8 chip_id;
|
|
|
|
|
|
|
|
/* Check if the adapter supports the needed features */
|
|
|
|
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
|
|
|
|
return 0;
|
|
|
|
|
2006-01-11 21:40:56 +00:00
|
|
|
client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
|
2005-11-14 00:08:04 +00:00
|
|
|
if (client == 0)
|
|
|
|
return -ENOMEM;
|
|
|
|
client->addr = address;
|
|
|
|
client->adapter = adapter;
|
|
|
|
client->driver = &i2c_driver_saa7115;
|
|
|
|
snprintf(client->name, sizeof(client->name) - 1, "saa7115");
|
|
|
|
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "detecting saa7115 client on address 0x%x\n", address << 1);
|
2005-11-14 00:08:04 +00:00
|
|
|
|
|
|
|
saa7115_write(client, 0, 5);
|
|
|
|
chip_id = saa7115_read(client, 0) & 0x0f;
|
|
|
|
if (chip_id != 4 && chip_id != 5) {
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "saa7115 not found\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
kfree(client);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
if (chip_id == 4) {
|
|
|
|
snprintf(client->name, sizeof(client->name) - 1, "saa7114");
|
|
|
|
}
|
2006-01-09 17:32:40 +00:00
|
|
|
v4l_info(client, "saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name);
|
2005-11-14 00:08:04 +00:00
|
|
|
|
2006-01-11 21:40:56 +00:00
|
|
|
state = kzalloc(sizeof(struct saa7115_state), GFP_KERNEL);
|
2005-11-14 00:08:04 +00:00
|
|
|
i2c_set_clientdata(client, state);
|
|
|
|
if (state == NULL) {
|
|
|
|
kfree(client);
|
|
|
|
return -ENOMEM;
|
|
|
|
}
|
|
|
|
state->std = V4L2_STD_NTSC;
|
|
|
|
state->input = -1;
|
|
|
|
state->enable = 1;
|
2006-01-09 17:25:44 +00:00
|
|
|
state->radio = 0;
|
2005-11-14 00:08:04 +00:00
|
|
|
state->bright = 128;
|
|
|
|
state->contrast = 64;
|
|
|
|
state->hue = 0;
|
|
|
|
state->sat = 64;
|
|
|
|
state->ident = (chip_id == 4) ? V4L2_IDENT_SAA7114 : V4L2_IDENT_SAA7115;
|
2006-01-09 17:25:41 +00:00
|
|
|
state->audclk_freq = 48000;
|
2005-11-14 00:08:04 +00:00
|
|
|
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "writing init values\n");
|
2005-11-14 00:08:04 +00:00
|
|
|
|
|
|
|
/* init to 60hz/48khz */
|
|
|
|
saa7115_writeregs(client, saa7115_init_auto_input);
|
|
|
|
saa7115_writeregs(client, saa7115_init_misc);
|
|
|
|
saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x);
|
|
|
|
saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y);
|
|
|
|
saa7115_writeregs(client, saa7115_cfg_60hz_video);
|
2006-01-09 17:25:41 +00:00
|
|
|
saa7115_set_audio_clock_freq(client, state->audclk_freq);
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_writeregs(client, saa7115_cfg_reset_scaler);
|
|
|
|
|
|
|
|
i2c_attach_client(client);
|
|
|
|
|
2006-01-11 21:41:49 +00:00
|
|
|
v4l_dbg(1, debug, client, "status: (1E) 0x%02x, (1F) 0x%02x\n",
|
2005-11-14 00:08:04 +00:00
|
|
|
saa7115_read(client, 0x1e), saa7115_read(client, 0x1f));
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int saa7115_probe(struct i2c_adapter *adapter)
|
|
|
|
{
|
|
|
|
if (adapter->class & I2C_CLASS_TV_ANALOG)
|
|
|
|
return i2c_probe(adapter, &addr_data, &saa7115_attach);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
static int saa7115_detach(struct i2c_client *client)
|
|
|
|
{
|
|
|
|
struct saa7115_state *state = i2c_get_clientdata(client);
|
|
|
|
int err;
|
|
|
|
|
|
|
|
err = i2c_detach_client(client);
|
|
|
|
if (err) {
|
|
|
|
return err;
|
|
|
|
}
|
|
|
|
|
|
|
|
kfree(state);
|
|
|
|
kfree(client);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
/* i2c implementation */
|
|
|
|
static struct i2c_driver i2c_driver_saa7115 = {
|
2005-11-26 19:43:39 +00:00
|
|
|
.driver = {
|
|
|
|
.name = "saa7115",
|
|
|
|
},
|
2005-11-14 00:08:04 +00:00
|
|
|
.id = I2C_DRIVERID_SAA711X,
|
|
|
|
.attach_adapter = saa7115_probe,
|
|
|
|
.detach_client = saa7115_detach,
|
|
|
|
.command = saa7115_command,
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
static int __init saa7115_init_module(void)
|
|
|
|
{
|
|
|
|
return i2c_add_driver(&i2c_driver_saa7115);
|
|
|
|
}
|
|
|
|
|
|
|
|
static void __exit saa7115_cleanup_module(void)
|
|
|
|
{
|
|
|
|
i2c_del_driver(&i2c_driver_saa7115);
|
|
|
|
}
|
|
|
|
|
|
|
|
module_init(saa7115_init_module);
|
|
|
|
module_exit(saa7115_cleanup_module);
|