| /* 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/i2c-compat.h> |
| #include <media/v4l2-common.h> |
| |
| MODULE_DESCRIPTION("Philips SAA7114/SAA7115 video decoder driver"); |
| MODULE_AUTHOR("Maxim Yevtyushkin <max@linuxmedialabs.com>"); |
| MODULE_AUTHOR("Kevin Thayer <nufan_wfk@yahoo.com>"); |
| MODULE_AUTHOR("Chris Kennedy <c@groovy.org>"); |
| MODULE_AUTHOR("Hans Verkuil <hverkuil@xs4all.nl>"); |
| MODULE_LICENSE("GPL"); |
| |
| static int debug = 0; |
| module_param(debug, int, 0644); |
| |
| MODULE_PARM_DESC(debug, "Debug level (0-1)"); |
| |
| #define saa7115_dbg(fmt,arg...) \ |
| do { \ |
| if (debug) \ |
| printk(KERN_INFO "%s debug %d-%04x: " fmt, client->driver->name, \ |
| i2c_adapter_id(client->adapter), client->addr , ## arg); \ |
| } while (0) |
| |
| #define saa7115_err(fmt, arg...) do { \ |
| printk(KERN_ERR "%s %d-%04x: " fmt, client->driver->name, \ |
| i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) |
| #define saa7115_info(fmt, arg...) do { \ |
| printk(KERN_INFO "%s %d-%04x: " fmt, client->driver->name, \ |
| i2c_adapter_id(client->adapter), client->addr , ## arg); } while (0) |
| |
| 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; |
| int bright; |
| int contrast; |
| int hue; |
| int sat; |
| enum v4l2_chip_ident ident; |
| enum v4l2_audio_clock_freq audclk_freq; |
| }; |
| |
| /* ----------------------------------------------------------------------- */ |
| |
| 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 |
| }; |
| |
| /* ============== SAA7715 AUDIO settings ============= */ |
| |
| /* 48.0 kHz */ |
| static const unsigned char saa7115_cfg_48_audio[] = { |
| 0x34, 0xce, |
| 0x35, 0xfb, |
| 0x36, 0x30, |
| 0x00, 0x00 |
| }; |
| |
| /* 44.1 kHz */ |
| static const unsigned char saa7115_cfg_441_audio[] = { |
| 0x34, 0xf2, |
| 0x35, 0x00, |
| 0x36, 0x2d, |
| 0x00, 0x00 |
| }; |
| |
| /* 32.0 kHz */ |
| static const unsigned char saa7115_cfg_32_audio[] = { |
| 0x34, 0xdf, |
| 0x35, 0xa7, |
| 0x36, 0x20, |
| 0x00, 0x00 |
| }; |
| |
| /* 48.0 kHz 60hz */ |
| static const unsigned char saa7115_cfg_60hz_48_audio[] = { |
| 0x30, 0xcd, |
| 0x31, 0x20, |
| 0x32, 0x03, |
| 0x00, 0x00 |
| }; |
| |
| /* 48.0 kHz 50hz */ |
| static const unsigned char saa7115_cfg_50hz_48_audio[] = { |
| 0x30, 0x00, |
| 0x31, 0xc0, |
| 0x32, 0x03, |
| 0x00, 0x00 |
| }; |
| |
| /* 44.1 kHz 60hz */ |
| static const unsigned char saa7115_cfg_60hz_441_audio[] = { |
| 0x30, 0xbc, |
| 0x31, 0xdf, |
| 0x32, 0x02, |
| 0x00, 0x00 |
| }; |
| |
| /* 44.1 kHz 50hz */ |
| static const unsigned char saa7115_cfg_50hz_441_audio[] = { |
| 0x30, 0x00, |
| 0x31, 0x72, |
| 0x32, 0x03, |
| 0x00, 0x00 |
| }; |
| |
| /* 32.0 kHz 60hz */ |
| static const unsigned char saa7115_cfg_60hz_32_audio[] = { |
| 0x30, 0xde, |
| 0x31, 0x15, |
| 0x32, 0x02, |
| 0x00, 0x00 |
| }; |
| |
| /* 32.0 kHz 50hz */ |
| static const unsigned char saa7115_cfg_50hz_32_audio[] = { |
| 0x30, 0x00, |
| 0x31, 0x80, |
| 0x32, 0x02, |
| 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; |
| } |
| |
| |
| static int saa7115_set_audio_clock_freq(struct i2c_client *client, enum v4l2_audio_clock_freq freq) |
| { |
| struct saa7115_state *state = i2c_get_clientdata(client); |
| |
| saa7115_dbg("set audio clock freq: %d\n", freq); |
| switch (freq) { |
| case V4L2_AUDCLK_32_KHZ: |
| saa7115_writeregs(client, saa7115_cfg_32_audio); |
| if (state->std & V4L2_STD_525_60) { |
| saa7115_writeregs(client, saa7115_cfg_60hz_32_audio); |
| } else { |
| saa7115_writeregs(client, saa7115_cfg_50hz_32_audio); |
| } |
| break; |
| case V4L2_AUDCLK_441_KHZ: |
| saa7115_writeregs(client, saa7115_cfg_441_audio); |
| if (state->std & V4L2_STD_525_60) { |
| saa7115_writeregs(client, saa7115_cfg_60hz_441_audio); |
| } else { |
| saa7115_writeregs(client, saa7115_cfg_50hz_441_audio); |
| } |
| break; |
| case V4L2_AUDCLK_48_KHZ: |
| saa7115_writeregs(client, saa7115_cfg_48_audio); |
| if (state->std & V4L2_STD_525_60) { |
| saa7115_writeregs(client, saa7115_cfg_60hz_48_audio); |
| } else { |
| saa7115_writeregs(client, saa7115_cfg_50hz_48_audio); |
| } |
| break; |
| default: |
| saa7115_dbg("invalid audio setting %d\n", freq); |
| return -EINVAL; |
| } |
| 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) { |
| saa7115_err("invalid brightness setting %d\n", ctrl->value); |
| return -ERANGE; |
| } |
| |
| state->bright = ctrl->value; |
| saa7115_write(client, 0x0a, state->bright); |
| break; |
| |
| case V4L2_CID_CONTRAST: |
| if (ctrl->value < 0 || ctrl->value > 127) { |
| saa7115_err("invalid contrast setting %d\n", ctrl->value); |
| return -ERANGE; |
| } |
| |
| state->contrast = ctrl->value; |
| saa7115_write(client, 0x0b, state->contrast); |
| break; |
| |
| case V4L2_CID_SATURATION: |
| if (ctrl->value < 0 || ctrl->value > 127) { |
| saa7115_err("invalid saturation setting %d\n", ctrl->value); |
| return -ERANGE; |
| } |
| |
| state->sat = ctrl->value; |
| saa7115_write(client, 0x0c, state->sat); |
| break; |
| |
| case V4L2_CID_HUE: |
| if (ctrl->value < -127 || ctrl->value > 127) { |
| saa7115_err("invalid hue setting %d\n", ctrl->value); |
| return -ERANGE; |
| } |
| |
| state->hue = ctrl->value; |
| saa7115_write(client, 0x0d, state->hue); |
| break; |
| } |
| |
| 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; |
| |
| // This works for NTSC-M, SECAM-L and the 50Hz PAL variants. |
| if (std & V4L2_STD_525_60) { |
| saa7115_dbg("decoder set standard 60 Hz\n"); |
| saa7115_writeregs(client, saa7115_cfg_60hz_video); |
| } else { |
| saa7115_dbg("decoder set standard 50 Hz\n"); |
| 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) |
| { |
| static const char * const audclk_freq_strs[] = { |
| "44.1 kHz", |
| "48 kHz", |
| "32 kHz" |
| }; |
| struct saa7115_state *state = i2c_get_clientdata(client); |
| int reg1e, reg1f; |
| int signalOk; |
| int vcr; |
| |
| saa7115_info("Audio frequency: %s\n", audclk_freq_strs[state->audclk_freq]); |
| if (client->name[6] == '4') { |
| /* status for the saa7114 */ |
| reg1f = saa7115_read(client, 0x1f); |
| signalOk = (reg1f & 0xc1) == 0x81; |
| saa7115_info("Video signal: %s\n", signalOk ? "ok" : "bad"); |
| saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60Hz" : "50Hz"); |
| 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); |
| |
| saa7115_info("Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad"); |
| saa7115_info("Frequency: %s\n", (reg1f & 0x20) ? "60Hz" : "50Hz"); |
| |
| switch (reg1e & 0x03) { |
| case 1: |
| saa7115_info("Detected format: NTSC\n"); |
| break; |
| case 2: |
| saa7115_info("Detected format: PAL\n"); |
| break; |
| case 3: |
| saa7115_info("Detected format: SECAM\n"); |
| break; |
| default: |
| saa7115_info("Detected format: BW/No color\n"); |
| 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); |
| |
| saa7115_dbg("decoder set size\n"); |
| |
| /* 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)); |
| |
| saa7115_dbg("Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC); |
| /* 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) { |
| saa7115_dbg("Setting full 50hz width\n"); |
| saa7115_writeregs(client, saa7115_cfg_50hz_fullres_x); |
| } else { |
| saa7115_dbg("Setting full 60hz width\n"); |
| saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x); |
| } |
| } |
| |
| Vsrc = is_50hz ? 576 : 480; |
| |
| if (pix->height != Vsrc) { |
| VSCY = (int)((1024 * Vsrc) / pix->height); |
| saa7115_dbg("Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY); |
| |
| /* 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) { |
| saa7115_dbg("Setting full 50Hz height\n"); |
| saa7115_writeregs(client, saa7115_cfg_50hz_fullres_y); |
| } else { |
| saa7115_dbg("Setting full 60hz height\n"); |
| 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) ============= */ |
| |
| 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: |
| return saa7115_set_audio_clock_freq(client, *(enum v4l2_audio_clock_freq *)arg); |
| |
| case VIDIOC_G_TUNER: |
| { |
| struct v4l2_tuner *vt = arg; |
| int status; |
| |
| status = saa7115_read(client, 0x1f); |
| |
| saa7115_dbg("status: 0x%02x\n", status); |
| 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); |
| |
| case VIDIOC_G_STD: |
| *(v4l2_std_id *)arg = saa7115_get_v4lstd(client); |
| break; |
| |
| case VIDIOC_S_STD: |
| saa7115_set_v4lstd(client, *(v4l2_std_id *)arg); |
| break; |
| |
| case VIDIOC_G_INPUT: |
| *(int *)arg = state->input; |
| break; |
| |
| case VIDIOC_S_INPUT: |
| saa7115_dbg("decoder set input %d\n", *iarg); |
| /* inputs from 0-9 are available */ |
| if (*iarg < 0 || *iarg > 9) { |
| return -EINVAL; |
| } |
| |
| if (state->input == *iarg) |
| break; |
| saa7115_dbg("now setting %s input\n", |
| *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: |
| saa7115_dbg("%s output\n", |
| (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: |
| saa7115_dbg("decoder RESET\n"); |
| 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; |
| |
| client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); |
| if (client == 0) |
| return -ENOMEM; |
| memset(client, 0, sizeof(struct i2c_client)); |
| client->addr = address; |
| client->adapter = adapter; |
| client->driver = &i2c_driver_saa7115; |
| client->flags = I2C_CLIENT_ALLOW_USE; |
| snprintf(client->name, sizeof(client->name) - 1, "saa7115"); |
| |
| saa7115_dbg("detecting saa7115 client on address 0x%x\n", address << 1); |
| |
| saa7115_write(client, 0, 5); |
| chip_id = saa7115_read(client, 0) & 0x0f; |
| if (chip_id != 4 && chip_id != 5) { |
| saa7115_dbg("saa7115 not found\n"); |
| kfree(client); |
| return 0; |
| } |
| if (chip_id == 4) { |
| snprintf(client->name, sizeof(client->name) - 1, "saa7114"); |
| } |
| saa7115_info("saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name); |
| |
| state = kmalloc(sizeof(struct saa7115_state), GFP_KERNEL); |
| i2c_set_clientdata(client, state); |
| if (state == NULL) { |
| kfree(client); |
| return -ENOMEM; |
| } |
| memset(state, 0, sizeof(struct saa7115_state)); |
| state->std = V4L2_STD_NTSC; |
| state->input = -1; |
| state->enable = 1; |
| state->bright = 128; |
| state->contrast = 64; |
| state->hue = 0; |
| state->sat = 64; |
| state->ident = (chip_id == 4) ? V4L2_IDENT_SAA7114 : V4L2_IDENT_SAA7115; |
| state->audclk_freq = V4L2_AUDCLK_48_KHZ; |
| |
| saa7115_dbg("writing init values\n"); |
| |
| /* 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); |
| saa7115_writeregs(client, saa7115_cfg_48_audio); |
| saa7115_writeregs(client, saa7115_cfg_60hz_48_audio); |
| saa7115_writeregs(client, saa7115_cfg_reset_scaler); |
| |
| i2c_attach_client(client); |
| |
| saa7115_dbg("status: (1E) 0x%02x, (1F) 0x%02x\n", |
| saa7115_read(client, 0x1e), saa7115_read(client, 0x1f)); |
| |
| return 0; |
| } |
| |
| static int saa7115_probe(struct i2c_adapter *adapter) |
| { |
| #ifdef I2C_CLASS_TV_ANALOG |
| if (adapter->class & I2C_CLASS_TV_ANALOG) |
| #else |
| if (adapter->id == I2C_HW_B_BT848) |
| #endif |
| 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 = { |
| .name = "saa7115", |
| .id = I2C_DRIVERID_SAA711X, |
| .flags = I2C_DF_NOTIFY, |
| .attach_adapter = saa7115_probe, |
| .detach_client = saa7115_detach, |
| .command = saa7115_command, |
| .owner = THIS_MODULE, |
| }; |
| |
| |
| 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); |