1 /* saa7115 - Philips SAA7113/SAA7114/SAA7115 video decoder driver
3 * Based on saa7114 driver by Maxim Yevtyushkin, which is based on
4 * the saa7111 driver by Dave Perks.
6 * Copyright (C) 1998 Dave Perks <dperks@ibm.net>
7 * Copyright (C) 2002 Maxim Yevtyushkin <max@linuxmedialabs.com>
9 * Slight changes for video timing and attachment output by
10 * Wolfgang Scherr <scherr@net4you.net>
12 * Moved over to the linux >= 2.4.x i2c protocol (1/1/2003)
13 * by Ronald Bultje <rbultje@ronald.bitfreak.net>
15 * Added saa7115 support by Kevin Thayer <nufan_wfk at yahoo.com>
18 * VBI support (2004) and cleanups (2005) by Hans Verkuil <hverkuil@xs4all.nl>
19 * SAA7113 support by Mauro Carvalho Chehab <mchehab@infradead.org>
21 * This program is free software; you can redistribute it and/or
22 * modify it under the terms of the GNU General Public License
23 * as published by the Free Software Foundation; either version 2
24 * of the License, or (at your option) any later version.
26 * This program is distributed in the hope that it will be useful,
27 * but WITHOUT ANY WARRANTY; without even the implied warranty of
28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
29 * GNU General Public License for more details.
31 * You should have received a copy of the GNU General Public License
32 * along with this program; if not, write to the Free Software
33 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
37 #include <linux/kernel.h>
38 #include <linux/module.h>
39 #include <linux/slab.h>
40 #include <linux/i2c.h>
41 #include <linux/videodev2.h>
42 #include <media/v4l2-common.h>
43 #include <media/saa7115.h>
44 #include <asm/div64.h>
46 MODULE_DESCRIPTION("Philips SAA7113/SAA7114/SAA7115 video decoder driver");
47 MODULE_AUTHOR( "Maxim Yevtyushkin, Kevin Thayer, Chris Kennedy, "
48 "Hans Verkuil, Mauro Carvalho Chehab");
49 MODULE_LICENSE("GPL");
52 module_param(debug, bool, 0644);
54 MODULE_PARM_DESC(debug, "Debug level (0-1)");
56 static unsigned short normal_i2c[] = {
57 0x4a >> 1, 0x48 >> 1, /* SAA7113 */
58 0x42 >> 1, 0x40 >> 1, /* SAA7114 and SAA7115 */
64 struct saa7115_state {
73 enum v4l2_chip_ident ident;
81 /* ----------------------------------------------------------------------- */
83 static inline int saa7115_write(struct i2c_client *client, u8 reg, u8 value)
85 return i2c_smbus_write_byte_data(client, reg, value);
88 static int saa7115_writeregs(struct i2c_client *client, const unsigned char *regs)
90 unsigned char reg, data;
92 while (*regs != 0x00) {
95 if (saa7115_write(client, reg, data) < 0)
101 static inline int saa7115_read(struct i2c_client *client, u8 reg)
103 return i2c_smbus_read_byte_data(client, reg);
106 /* ----------------------------------------------------------------------- */
108 /* If a value differs from the Hauppauge driver values, then the comment starts with
109 'was 0xXX' to denote the Hauppauge value. Otherwise the value is identical to what the
110 Hauppauge driver sets. */
112 static const unsigned char saa7115_init_auto_input[] = {
114 0x01, 0x48, /* white peak control disabled */
115 0x03, 0x20, /* was 0x30. 0x20: long vertical blanking */
116 0x04, 0x90, /* analog gain set to 0 */
117 0x05, 0x90, /* analog gain set to 0 */
119 0x06, 0xeb, /* horiz sync begin = -21 */
120 0x07, 0xe0, /* horiz sync stop = -17 */
121 0x0a, 0x80, /* was 0x88. decoder brightness, 0x80 is itu standard */
122 0x0b, 0x44, /* was 0x48. decoder contrast, 0x44 is itu standard */
123 0x0c, 0x40, /* was 0x47. decoder saturation, 0x40 is itu standard */
124 0x0d, 0x00, /* chrominance hue control */
125 0x0f, 0x00, /* chrominance gain control: use automicatic mode */
126 0x10, 0x06, /* chrominance/luminance control: active adaptive combfilter */
127 0x11, 0x00, /* delay control */
128 0x12, 0x9d, /* RTS0 output control: VGATE */
129 0x13, 0x80, /* X-port output control: ITU656 standard mode, RTCO output enable RTCE */
130 0x14, 0x00, /* analog/ADC/auto compatibility control */
131 0x18, 0x40, /* raw data gain 0x00 = nominal */
132 0x19, 0x80, /* raw data offset 0x80 = 0 LSB */
133 0x1a, 0x77, /* color killer level control 0x77 = recommended */
134 0x1b, 0x42, /* misc chroma control 0x42 = recommended */
135 0x1c, 0xa9, /* combfilter control 0xA9 = recommended */
136 0x1d, 0x01, /* combfilter control 0x01 = recommended */
138 /* Power Device Control */
139 0x88, 0xd0, /* reset device */
140 0x88, 0xf0, /* set device programmed, all in operational mode */
144 static const unsigned char saa7115_cfg_reset_scaler[] = {
145 0x87, 0x00, /* disable I-port output */
146 0x88, 0xd0, /* reset scaler */
147 0x88, 0xf0, /* activate scaler */
148 0x87, 0x01, /* enable I-port output */
152 /* ============== SAA7715 VIDEO templates ============= */
154 static const unsigned char saa7115_cfg_60hz_fullres_x[] = {
155 0xcc, 0xd0, /* hsize low (output), hor. output window size = 0x2d0 = 720 */
156 0xcd, 0x02, /* hsize hi (output) */
158 /* Why not in 60hz-Land, too? */
159 0xd0, 0x01, /* downscale = 1 */
160 0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */
162 0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */
163 0xdd, 0x02, /* H-scaling incr chroma */
167 static const unsigned char saa7115_cfg_60hz_fullres_y[] = {
168 0xce, 0xf8, /* vsize low (output), ver. output window size = 248 (but 60hz is 240?) */
169 0xcf, 0x00, /* vsize hi (output) */
171 /* Why not in 60hz-Land, too? */
172 0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */
173 0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */
175 0xe0, 0x00, /* V-scaling incr luma low */
176 0xe1, 0x04, /* " hi */
177 0xe2, 0x00, /* V-scaling incr chroma low */
178 0xe3, 0x04, /* " hi */
183 static const unsigned char saa7115_cfg_60hz_video[] = {
184 0x80, 0x00, /* reset tasks */
185 0x88, 0xd0, /* reset scaler */
187 0x15, 0x03, /* VGATE pulse start */
188 0x16, 0x11, /* VGATE pulse stop */
189 0x17, 0x9c, /* VGATE MSB and other values */
191 0x08, 0x68, /* 0xBO: auto detection, 0x68 = NTSC */
192 0x0e, 0x07, /* lots of different stuff... video autodetection is on */
194 0x5a, 0x06, /* Vertical offset, standard 60hz value for ITU656 line counting */
197 0x90, 0x80, /* Task Handling Control */
198 0x91, 0x48, /* X-port formats/config */
199 0x92, 0x40, /* Input Ref. signal Def. */
200 0x93, 0x84, /* I-port config */
201 0x94, 0x01, /* hoffset low (input), 0x0002 is minimum */
202 0x95, 0x00, /* hoffset hi (input) */
203 0x96, 0xd0, /* hsize low (input), 0x02d0 = 720 */
204 0x97, 0x02, /* hsize hi (input) */
205 0x98, 0x05, /* voffset low (input) */
206 0x99, 0x00, /* voffset hi (input) */
207 0x9a, 0x0c, /* vsize low (input), 0x0c = 12 */
208 0x9b, 0x00, /* vsize hi (input) */
209 0x9c, 0xa0, /* hsize low (output), 0x05a0 = 1440 */
210 0x9d, 0x05, /* hsize hi (output) */
211 0x9e, 0x0c, /* vsize low (output), 0x0c = 12 */
212 0x9f, 0x00, /* vsize hi (output) */
215 0xc0, 0x00, /* Task Handling Control */
216 0xc1, 0x08, /* X-port formats/config */
217 0xc2, 0x00, /* Input Ref. signal Def. */
218 0xc3, 0x80, /* I-port config */
219 0xc4, 0x02, /* hoffset low (input), 0x0002 is minimum */
220 0xc5, 0x00, /* hoffset hi (input) */
221 0xc6, 0xd0, /* hsize low (input), 0x02d0 = 720 */
222 0xc7, 0x02, /* hsize hi (input) */
223 0xc8, 0x12, /* voffset low (input), 0x12 = 18 */
224 0xc9, 0x00, /* voffset hi (input) */
225 0xca, 0xf8, /* vsize low (input), 0xf8 = 248 */
226 0xcb, 0x00, /* vsize hi (input) */
227 0xcc, 0xd0, /* hsize low (output), 0x02d0 = 720 */
228 0xcd, 0x02, /* hsize hi (output) */
230 0xf0, 0xad, /* Set PLL Register. 60hz 525 lines per frame, 27 MHz */
231 0xf1, 0x05, /* low bit with 0xF0 */
232 0xf5, 0xad, /* Set pulse generator register */
235 0x87, 0x00, /* Disable I-port output */
236 0x88, 0xd0, /* reset scaler */
237 0x80, 0x20, /* Activate only task "B", continuous mode (was 0xA0) */
238 0x88, 0xf0, /* activate scaler */
239 0x87, 0x01, /* Enable I-port output */
243 static const unsigned char saa7115_cfg_50hz_fullres_x[] = {
244 0xcc, 0xd0, /* hsize low (output), 720 same as 60hz */
245 0xcd, 0x02, /* hsize hi (output) */
247 0xd0, 0x01, /* down scale = 1 */
248 0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */
250 0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */
251 0xdd, 0x02, /* H-scaling incr chroma */
255 static const unsigned char saa7115_cfg_50hz_fullres_y[] = {
256 0xce, 0x20, /* vsize low (output), 0x0120 = 288 */
257 0xcf, 0x01, /* vsize hi (output) */
259 0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */
260 0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */
262 0xe0, 0x00, /* V-scaling incr luma low */
263 0xe1, 0x04, /* " hi */
264 0xe2, 0x00, /* V-scaling incr chroma low */
265 0xe3, 0x04, /* " hi */
270 static const unsigned char saa7115_cfg_50hz_video[] = {
271 0x80, 0x00, /* reset tasks */
272 0x88, 0xd0, /* reset scaler */
274 0x15, 0x37, /* VGATE start */
275 0x16, 0x16, /* VGATE stop */
276 0x17, 0x99, /* VGATE MSB and other values */
278 0x08, 0x28, /* 0x28 = PAL */
279 0x0e, 0x07, /* chrominance control 1 */
281 0x5a, 0x03, /* Vertical offset, standard 50hz value */
284 0x90, 0x81, /* Task Handling Control */
285 0x91, 0x48, /* X-port formats/config */
286 0x92, 0x40, /* Input Ref. signal Def. */
287 0x93, 0x84, /* I-port config */
288 /* This is weird: the datasheet says that you should use 2 as the minimum value, */
289 /* but Hauppauge uses 0, and changing that to 2 causes indeed problems (for 50hz) */
290 0x94, 0x00, /* hoffset low (input), 0x0002 is minimum */
291 0x95, 0x00, /* hoffset hi (input) */
292 0x96, 0xd0, /* hsize low (input), 0x02d0 = 720 */
293 0x97, 0x02, /* hsize hi (input) */
294 0x98, 0x03, /* voffset low (input) */
295 0x99, 0x00, /* voffset hi (input) */
296 0x9a, 0x12, /* vsize low (input), 0x12 = 18 */
297 0x9b, 0x00, /* vsize hi (input) */
298 0x9c, 0xa0, /* hsize low (output), 0x05a0 = 1440 */
299 0x9d, 0x05, /* hsize hi (output) */
300 0x9e, 0x12, /* vsize low (output), 0x12 = 18 */
301 0x9f, 0x00, /* vsize hi (output) */
304 0xc0, 0x00, /* Task Handling Control */
305 0xc1, 0x08, /* X-port formats/config */
306 0xc2, 0x00, /* Input Ref. signal Def. */
307 0xc3, 0x80, /* I-port config */
308 0xc4, 0x00, /* hoffset low (input), 0x0002 is minimum. See comment at 0x94 above. */
309 0xc5, 0x00, /* hoffset hi (input) */
310 0xc6, 0xd0, /* hsize low (input), 0x02d0 = 720 */
311 0xc7, 0x02, /* hsize hi (input) */
312 0xc8, 0x16, /* voffset low (input), 0x16 = 22 */
313 0xc9, 0x00, /* voffset hi (input) */
314 0xca, 0x20, /* vsize low (input), 0x0120 = 288 */
315 0xcb, 0x01, /* vsize hi (input) */
316 0xcc, 0xd0, /* hsize low (output), 0x02d0 = 720 */
317 0xcd, 0x02, /* hsize hi (output) */
318 0xce, 0x20, /* vsize low (output), 0x0120 = 288 */
319 0xcf, 0x01, /* vsize hi (output) */
321 0xf0, 0xb0, /* Set PLL Register. 50hz 625 lines per frame, 27 MHz */
322 0xf1, 0x05, /* low bit with 0xF0, (was 0x05) */
323 0xf5, 0xb0, /* Set pulse generator register */
326 0x87, 0x00, /* Disable I-port output */
327 0x88, 0xd0, /* reset scaler (was 0xD0) */
328 0x80, 0x20, /* Activate only task "B" */
329 0x88, 0xf0, /* activate scaler */
330 0x87, 0x01, /* Enable I-port output */
334 /* ============== SAA7715 VIDEO templates (end) ======= */
336 static const unsigned char saa7115_cfg_vbi_on[] = {
337 0x80, 0x00, /* reset tasks */
338 0x88, 0xd0, /* reset scaler */
339 0x80, 0x30, /* Activate both tasks */
340 0x88, 0xf0, /* activate scaler */
341 0x87, 0x01, /* Enable I-port output */
345 static const unsigned char saa7115_cfg_vbi_off[] = {
346 0x80, 0x00, /* reset tasks */
347 0x88, 0xd0, /* reset scaler */
348 0x80, 0x20, /* Activate only task "B" */
349 0x88, 0xf0, /* activate scaler */
350 0x87, 0x01, /* Enable I-port output */
354 static const unsigned char saa7113_init_auto_input[] = {
355 0x01, 0x08, /* PH7113_INCREMENT_DELAY - (1) (1) (1) (1) IDEL3 IDEL2 IDELL1 IDEL0 */
356 0x02, 0xc2, /* PH7113_ANALOG_INPUT_CONTR_1 - FUSE1 FUSE0 GUDL1 GUDL0 MODE3 MODE2 MODE1 MODE0 */
357 0x03, 0x30, /* PH7113_ANALOG_INPUT_CONTR_2 - (1) HLNRS VBSL WPOFF HOLDG GAFIX GAI28 GAI18 */
358 0x04, 0x00, /* PH7113_ANALOG_INPUT_CONTR_3 - GAI17 GAI16 GAI15 GAI14 GAI13 GAI12 GAI11 GAI10 */
359 0x05, 0x00, /* PH7113_ANALOG_INPUT_CONTR_4 - GAI27 GAI26 GAI25 GAI24 GAI23 GAI22 GAI21 GAI20 */
360 0x06, 0x89, /* PH7113_HORIZONTAL_SYNC_START - HSB7 HSB6 HSB5 HSB4 HSB3 HSB2 HSB1 HSB0 */
361 0x07, 0x0d, /* PH7113_HORIZONTAL_SYNC_STOP - HSS7 HSS6 HSS5 HSS4 HSS3 HSS2 HSS1 HSS0 */
362 0x08, 0x88, /* PH7113_SYNC_CONTROL - AUFD FSEL FOET HTC1 HTC0 HPLL VNOI1 VNOI0 */
363 0x09, 0x01, /* PH7113_LUMINANCE_CONTROL - BYPS PREF BPSS1 BPSS0 VBLB UPTCV APER1 APER0 */
364 0x0a, 0x80, /* PH7113_LUMINANCE_BRIGHTNESS - BRIG7 BRIG6 BRIG5 BRIG4 BRIG3 BRIG2 BRIG1 BRIG0 */
365 0x0b, 0x47, /* PH7113_LUMINANCE_CONTRAST - CONT7 CONT6 CONT5 CONT4 CONT3 CONT2 CONT1 CONT0 */
366 0x0c, 0x40, /* PH7113_CHROMA_SATURATION - SATN7 SATN6 SATN5 SATN4 SATN3 SATN2 SATN1 SATN0 */
367 0x0d, 0x00, /* PH7113_CHROMA_HUE_CONTROL - HUEC7 HUEC6 HUEC5 HUEC4 HUEC3 HUEC2 HUEC1 HUEC0 */
368 0x0e, 0x01, /* PH7113_CHROMA_CONTROL - CDTO CSTD2 CSTD1 CSTD0 DCCF FCTC CHBW1 CHBW0 */
369 0x0f, 0x2a, /* PH7113_CHROMA_GAIN_CONTROL - ACGC CGAIN6 CGAIN5 CGAIN4 CGAIN3 CGAIN2 CGAIN1 CGAIN0 */
370 0x10, 0x08, /* PH7113_FORMAT_DELAY_CONTROL - OFTS1 OFTS0 HDEL1 HDEL0 VRLN YDEL2 YDEL1 YDEL0 */
371 0x11, 0x0c, /* PH7113_OUTPUT_CONTROL_1 - GPSW1 CM99 GPSW0 HLSEL OEYC OERT VIPB COLO */
372 0x12, 0x07, /* PH7113_OUTPUT_CONTROL_2 - RTSE13 RTSE12 RTSE11 RTSE10 RTSE03 RTSE02 RTSE01 RTSE00 */
373 0x13, 0x00, /* PH7113_OUTPUT_CONTROL_3 - ADLSB (1) (1) OLDSB FIDP (1) AOSL1 AOSL0 */
374 0x14, 0x00, /* RESERVED 14 - (1) (1) (1) (1) (1) (1) (1) (1) */
375 0x15, 0x00, /* PH7113_V_GATE1_START - VSTA7 VSTA6 VSTA5 VSTA4 VSTA3 VSTA2 VSTA1 VSTA0 */
376 0x16, 0x00, /* PH7113_V_GATE1_STOP - VSTO7 VSTO6 VSTO5 VSTO4 VSTO3 VSTO2 VSTO1 VSTO0 */
377 0x17, 0x00, /* PH7113_V_GATE1_MSB - (1) (1) (1) (1) (1) (1) VSTO8 VSTA8 */
381 static const unsigned char saa7115_init_misc[] = {
382 0x81, 0x01, /* reg 0x15,0x16 define blanking window */
384 0x83, 0x01, /* I port settings */
391 0xa0, 0x01, /* down scale = 1 */
392 0xa1, 0x00, /* prescale accumulation length = 1 */
393 0xa2, 0x00, /* dc gain and fir prefilter control */
394 0xa4, 0x80, /* Lum Brightness, nominal value = 0x80 */
395 0xa5, 0x40, /* Lum contrast, nominal value = 0x40 */
396 0xa6, 0x40, /* Chroma satur. nominal value = 0x80 */
397 0xa8, 0x00, /* hor lum scaling 0x0200 = 2 zoom */
398 0xa9, 0x02, /* note: 2 x zoom ensures that VBI lines have same length as video lines. */
399 0xaa, 0x00, /* H-phase offset Luma = 0 */
400 0xac, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */
401 0xad, 0x01, /* H-scaling incr chroma */
402 0xae, 0x00, /* H-phase offset chroma. must be offset luma / 2 */
404 0xb0, 0x00, /* V-scaling incr luma low */
405 0xb1, 0x04, /* " hi */
406 0xb2, 0x00, /* V-scaling incr chroma low */
407 0xb3, 0x04, /* " hi */
408 0xb4, 0x01, /* V-scaling mode control */
409 0xb8, 0x00, /* V-phase offset chroma 00 */
410 0xb9, 0x00, /* V-phase offset chroma 01 */
411 0xba, 0x00, /* V-phase offset chroma 10 */
412 0xbb, 0x00, /* V-phase offset chroma 11 */
413 0xbc, 0x00, /* V-phase offset luma 00 */
414 0xbd, 0x00, /* V-phase offset luma 01 */
415 0xbe, 0x00, /* V-phase offset luma 10 */
416 0xbf, 0x00, /* V-phase offset luma 11 */
419 0xd0, 0x01, /* down scale = 1 */
420 0xd1, 0x00, /* prescale accumulation length = 1 */
421 0xd2, 0x00, /* dc gain and fir prefilter control */
422 0xd4, 0x80, /* Lum Brightness, nominal value = 0x80 */
423 0xd5, 0x40, /* Lum contrast, nominal value = 0x40 */
424 0xd6, 0x40, /* Chroma satur. nominal value = 0x80 */
425 0xd8, 0x00, /* hor lum scaling 0x0400 = 1 */
427 0xda, 0x00, /* H-phase offset Luma = 0 */
428 0xdc, 0x00, /* hor chrom scaling 0x0200. must be hor lum scaling / 2 */
429 0xdd, 0x02, /* H-scaling incr chroma */
430 0xde, 0x00, /* H-phase offset chroma. must be offset luma / 2 */
432 0xe0, 0x00, /* V-scaling incr luma low */
433 0xe1, 0x04, /* " hi */
434 0xe2, 0x00, /* V-scaling incr chroma low */
435 0xe3, 0x04, /* " hi */
436 0xe4, 0x01, /* V-scaling mode control */
437 0xe8, 0x00, /* V-phase offset chroma 00 */
438 0xe9, 0x00, /* V-phase offset chroma 01 */
439 0xea, 0x00, /* V-phase offset chroma 10 */
440 0xeb, 0x00, /* V-phase offset chroma 11 */
441 0xec, 0x00, /* V-phase offset luma 00 */
442 0xed, 0x00, /* V-phase offset luma 01 */
443 0xee, 0x00, /* V-phase offset luma 10 */
444 0xef, 0x00, /* V-phase offset luma 11 */
446 0xf2, 0x50, /* crystal clock = 24.576 MHz, target = 27MHz */
449 0xf7, 0x4b, /* not the recommended settings! */
454 0xff, 0x88, /* PLL2 lock detection settings: 71 lines 50% phase error */
457 0x40, 0x20, /* No framing code errors allowed. */
487 0x02, 0x84, /* input tuner -> input 4, amplifier active */
488 0x09, 0x53, /* 0x53, was 0x56 for 60hz. luminance control */
490 0x80, 0x20, /* enable task B */
496 static int saa7115_odd_parity(u8 c)
505 static int saa7115_decode_vps(u8 * dst, u8 * p)
507 static const u8 biphase_tbl[] = {
508 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
509 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
510 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96,
511 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2,
512 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94,
513 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0,
514 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
515 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
516 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5,
517 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1,
518 0xc3, 0x4b, 0x43, 0xc3, 0x87, 0x0f, 0x07, 0x87,
519 0x83, 0x0b, 0x03, 0x83, 0xc3, 0x4b, 0x43, 0xc3,
520 0xc1, 0x49, 0x41, 0xc1, 0x85, 0x0d, 0x05, 0x85,
521 0x81, 0x09, 0x01, 0x81, 0xc1, 0x49, 0x41, 0xc1,
522 0xe1, 0x69, 0x61, 0xe1, 0xa5, 0x2d, 0x25, 0xa5,
523 0xa1, 0x29, 0x21, 0xa1, 0xe1, 0x69, 0x61, 0xe1,
524 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4,
525 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0,
526 0xc2, 0x4a, 0x42, 0xc2, 0x86, 0x0e, 0x06, 0x86,
527 0x82, 0x0a, 0x02, 0x82, 0xc2, 0x4a, 0x42, 0xc2,
528 0xc0, 0x48, 0x40, 0xc0, 0x84, 0x0c, 0x04, 0x84,
529 0x80, 0x08, 0x00, 0x80, 0xc0, 0x48, 0x40, 0xc0,
530 0xe0, 0x68, 0x60, 0xe0, 0xa4, 0x2c, 0x24, 0xa4,
531 0xa0, 0x28, 0x20, 0xa0, 0xe0, 0x68, 0x60, 0xe0,
532 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
533 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
534 0xd2, 0x5a, 0x52, 0xd2, 0x96, 0x1e, 0x16, 0x96,
535 0x92, 0x1a, 0x12, 0x92, 0xd2, 0x5a, 0x52, 0xd2,
536 0xd0, 0x58, 0x50, 0xd0, 0x94, 0x1c, 0x14, 0x94,
537 0x90, 0x18, 0x10, 0x90, 0xd0, 0x58, 0x50, 0xd0,
538 0xf0, 0x78, 0x70, 0xf0, 0xb4, 0x3c, 0x34, 0xb4,
539 0xb0, 0x38, 0x30, 0xb0, 0xf0, 0x78, 0x70, 0xf0,
544 for (i = 0; i < 2 * 13; i += 2) {
545 err |= biphase_tbl[p[i]] | biphase_tbl[p[i + 1]];
546 c = (biphase_tbl[p[i + 1]] & 0xf) | ((biphase_tbl[p[i]] & 0xf) << 4);
552 static int saa7115_decode_wss(u8 * p)
554 static const int wss_bits[8] = {
555 0, 0, 0, 1, 0, 1, 1, 1
557 unsigned char parity;
561 for (i = 0; i < 16; i++) {
562 int b1 = wss_bits[p[i] & 7];
563 int b2 = wss_bits[(p[i] >> 3) & 7];
570 parity ^= parity >> 2;
571 parity ^= parity >> 1;
580 static int saa7115_set_audio_clock_freq(struct i2c_client *client, u32 freq)
582 struct saa7115_state *state = i2c_get_clientdata(client);
587 u8 acc = 0; /* reg 0x3a, audio clock control */
589 v4l_dbg(1, debug, client, "set audio clock freq: %d\n", freq);
592 if (freq < 32000 || freq > 48000)
595 /* The saa7113 has no audio clock */
596 if (state->ident == V4L2_IDENT_SAA7113)
599 /* hz is the refresh rate times 100 */
600 hz = (state->std & V4L2_STD_525_60) ? 5994 : 5000;
601 /* acpf = (256 * freq) / field_frequency == (256 * 100 * freq) / hz */
602 acpf = (25600 * freq) / hz;
603 /* acni = (256 * freq * 2^23) / crystal_frequency =
604 (freq * 2^(8+23)) / crystal_frequency =
605 (freq << 31) / crystal_frequency */
608 do_div(f, state->crystal_freq);
611 acpf = acpf * state->cgcdiv / 16;
612 acni = acni * state->cgcdiv / 16;
614 if (state->cgcdiv == 3)
620 saa7115_write(client, 0x38, 0x03);
621 saa7115_write(client, 0x39, 0x10);
622 saa7115_write(client, 0x3a, acc);
623 saa7115_write(client, 0x30, acpf & 0xff);
624 saa7115_write(client, 0x31, (acpf >> 8) & 0xff);
625 saa7115_write(client, 0x32, (acpf >> 16) & 0x03);
626 saa7115_write(client, 0x34, acni & 0xff);
627 saa7115_write(client, 0x35, (acni >> 8) & 0xff);
628 saa7115_write(client, 0x36, (acni >> 16) & 0x3f);
629 state->audclk_freq = freq;
633 static int saa7115_set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
635 struct saa7115_state *state = i2c_get_clientdata(client);
638 case V4L2_CID_BRIGHTNESS:
639 if (ctrl->value < 0 || ctrl->value > 255) {
640 v4l_err(client, "invalid brightness setting %d\n", ctrl->value);
644 state->bright = ctrl->value;
645 saa7115_write(client, 0x0a, state->bright);
648 case V4L2_CID_CONTRAST:
649 if (ctrl->value < 0 || ctrl->value > 127) {
650 v4l_err(client, "invalid contrast setting %d\n", ctrl->value);
654 state->contrast = ctrl->value;
655 saa7115_write(client, 0x0b, state->contrast);
658 case V4L2_CID_SATURATION:
659 if (ctrl->value < 0 || ctrl->value > 127) {
660 v4l_err(client, "invalid saturation setting %d\n", ctrl->value);
664 state->sat = ctrl->value;
665 saa7115_write(client, 0x0c, state->sat);
669 if (ctrl->value < -127 || ctrl->value > 127) {
670 v4l_err(client, "invalid hue setting %d\n", ctrl->value);
674 state->hue = ctrl->value;
675 saa7115_write(client, 0x0d, state->hue);
685 static int saa7115_get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
687 struct saa7115_state *state = i2c_get_clientdata(client);
690 case V4L2_CID_BRIGHTNESS:
691 ctrl->value = state->bright;
693 case V4L2_CID_CONTRAST:
694 ctrl->value = state->contrast;
696 case V4L2_CID_SATURATION:
697 ctrl->value = state->sat;
700 ctrl->value = state->hue;
709 static void saa7115_set_v4lstd(struct i2c_client *client, v4l2_std_id std)
711 struct saa7115_state *state = i2c_get_clientdata(client);
712 int taskb = saa7115_read(client, 0x80) & 0x10;
714 /* Prevent unnecessary standard changes. During a standard
715 change the I-Port is temporarily disabled. Any devices
716 reading from that port can get confused.
717 Note that VIDIOC_S_STD is also used to switch from
718 radio to TV mode, so if a VIDIOC_S_STD is broadcast to
719 all I2C devices then you do not want to have an unwanted
721 if (std == state->std)
724 // This works for NTSC-M, SECAM-L and the 50Hz PAL variants.
725 if (std & V4L2_STD_525_60) {
726 v4l_dbg(1, debug, client, "decoder set standard 60 Hz\n");
727 saa7115_writeregs(client, saa7115_cfg_60hz_video);
729 v4l_dbg(1, debug, client, "decoder set standard 50 Hz\n");
730 saa7115_writeregs(client, saa7115_cfg_50hz_video);
733 /* Register 0E - Bits D6-D4 on NO-AUTO mode
734 (SAA7113 doesn't have auto mode)
735 50 Hz / 625 lines 60 Hz / 525 lines
736 000 PAL BGDHI (4.43Mhz) NTSC M (3.58MHz)
737 001 NTSC 4.43 (50 Hz) PAL 4.43 (60 Hz)
738 010 Combination-PAL N (3.58MHz) NTSC 4.43 (60 Hz)
739 011 NTSC N (3.58MHz) PAL M (3.58MHz)
740 100 reserved NTSC-Japan (3.58MHz)
742 if (state->ident == V4L2_IDENT_SAA7113) {
743 u8 reg = saa7115_read(client, 0x0e) & 0x8f;
745 if (std == V4L2_STD_PAL_M) {
747 } else if (std == V4L2_STD_PAL_N) {
749 } else if (std == V4L2_STD_PAL_60) {
751 } else if (std == V4L2_STD_NTSC_M_JP) {
754 saa7115_write(client, 0x0e, reg);
760 /* restart task B if needed */
761 if (taskb && state->ident != V4L2_IDENT_SAA7115) {
762 saa7115_writeregs(client, saa7115_cfg_vbi_on);
765 /* switch audio mode too! */
766 saa7115_set_audio_clock_freq(client, state->audclk_freq);
769 static v4l2_std_id saa7115_get_v4lstd(struct i2c_client *client)
771 struct saa7115_state *state = i2c_get_clientdata(client);
776 static void saa7115_log_status(struct i2c_client *client)
778 struct saa7115_state *state = i2c_get_clientdata(client);
783 v4l_info(client, "Audio frequency: %d Hz\n", state->audclk_freq);
784 if (state->ident != V4L2_IDENT_SAA7115) {
785 /* status for the saa7114 */
786 reg1f = saa7115_read(client, 0x1f);
787 signalOk = (reg1f & 0xc1) == 0x81;
788 v4l_info(client, "Video signal: %s\n", signalOk ? "ok" : "bad");
789 v4l_info(client, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz");
793 /* status for the saa7115 */
794 reg1e = saa7115_read(client, 0x1e);
795 reg1f = saa7115_read(client, 0x1f);
797 signalOk = (reg1f & 0xc1) == 0x81 && (reg1e & 0xc0) == 0x80;
798 vcr = !(reg1f & 0x10);
800 if (state->input >= 6) {
801 v4l_info(client, "Input: S-Video %d\n", state->input - 6);
803 v4l_info(client, "Input: Composite %d\n", state->input);
805 v4l_info(client, "Video signal: %s\n", signalOk ? (vcr ? "VCR" : "broadcast/DVD") : "bad");
806 v4l_info(client, "Frequency: %s\n", (reg1f & 0x20) ? "60 Hz" : "50 Hz");
808 switch (reg1e & 0x03) {
810 v4l_info(client, "Detected format: NTSC\n");
813 v4l_info(client, "Detected format: PAL\n");
816 v4l_info(client, "Detected format: SECAM\n");
819 v4l_info(client, "Detected format: BW/No color\n");
824 /* setup the sliced VBI lcr registers according to the sliced VBI format */
825 static void saa7115_set_lcr(struct i2c_client *client, struct v4l2_sliced_vbi_format *fmt)
827 struct saa7115_state *state = i2c_get_clientdata(client);
828 int is_50hz = (state->std & V4L2_STD_625_50);
832 /* saa7113/7114 doesn't yet support VBI */
833 if (state->ident != V4L2_IDENT_SAA7115)
836 for (i = 0; i <= 23; i++)
839 if (fmt->service_set == 0) {
842 for (i = 6; i <= 23; i++)
845 for (i = 10; i <= 21; i++)
849 /* first clear lines that cannot be captured */
851 for (i = 0; i <= 5; i++)
852 fmt->service_lines[0][i] =
853 fmt->service_lines[1][i] = 0;
856 for (i = 0; i <= 9; i++)
857 fmt->service_lines[0][i] =
858 fmt->service_lines[1][i] = 0;
859 for (i = 22; i <= 23; i++)
860 fmt->service_lines[0][i] =
861 fmt->service_lines[1][i] = 0;
864 /* Now set the lcr values according to the specified service */
865 for (i = 6; i <= 23; i++) {
867 for (x = 0; x <= 1; x++) {
868 switch (fmt->service_lines[1-x][i]) {
870 lcr[i] |= 0xf << (4 * x);
872 case V4L2_SLICED_TELETEXT_B:
873 lcr[i] |= 1 << (4 * x);
875 case V4L2_SLICED_CAPTION_525:
876 lcr[i] |= 4 << (4 * x);
878 case V4L2_SLICED_WSS_625:
879 lcr[i] |= 5 << (4 * x);
881 case V4L2_SLICED_VPS:
882 lcr[i] |= 7 << (4 * x);
889 /* write the lcr registers */
890 for (i = 2; i <= 23; i++) {
891 saa7115_write(client, i - 2 + 0x41, lcr[i]);
894 /* enable/disable raw VBI capturing */
895 saa7115_writeregs(client, fmt->service_set == 0 ? saa7115_cfg_vbi_on : saa7115_cfg_vbi_off);
898 static int saa7115_get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
900 static u16 lcr2vbi[] = {
901 0, V4L2_SLICED_TELETEXT_B, 0, /* 1 */
902 0, V4L2_SLICED_CAPTION_525, /* 4 */
903 V4L2_SLICED_WSS_625, 0, /* 5 */
904 V4L2_SLICED_VPS, 0, 0, 0, 0, /* 7 */
907 struct v4l2_sliced_vbi_format *sliced = &fmt->fmt.sliced;
910 if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
912 memset(sliced, 0, sizeof(*sliced));
913 /* done if using raw VBI */
914 if (saa7115_read(client, 0x80) & 0x10)
916 for (i = 2; i <= 23; i++) {
917 u8 v = saa7115_read(client, i - 2 + 0x41);
919 sliced->service_lines[0][i] = lcr2vbi[v >> 4];
920 sliced->service_lines[1][i] = lcr2vbi[v & 0xf];
921 sliced->service_set |=
922 sliced->service_lines[0][i] | sliced->service_lines[1][i];
927 static int saa7115_set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
929 struct saa7115_state *state = i2c_get_clientdata(client);
930 struct v4l2_pix_format *pix;
933 int is_50hz = state->std & V4L2_STD_625_50;
935 if (fmt->type == V4L2_BUF_TYPE_SLICED_VBI_CAPTURE) {
936 saa7115_set_lcr(client, &fmt->fmt.sliced);
939 if (fmt->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
942 pix = &(fmt->fmt.pix);
944 v4l_dbg(1, debug, client, "decoder set size\n");
946 /* FIXME need better bounds checking here */
947 if ((pix->width < 1) || (pix->width > 1440))
949 if ((pix->height < 1) || (pix->height > 960))
952 /* probably have a valid size, let's set it */
953 /* Set output width/height */
955 saa7115_write(client, 0xcc, (u8) (pix->width & 0xff));
956 saa7115_write(client, 0xcd, (u8) ((pix->width >> 8) & 0xff));
958 saa7115_write(client, 0xce, (u8) (pix->height & 0xff));
959 saa7115_write(client, 0xcf, (u8) ((pix->height >> 8) & 0xff));
961 /* Scaling settings */
962 /* Hprescaler is floor(inres/outres) */
963 /* FIXME hardcoding input res */
964 if (pix->width != 720) {
965 HPSC = (int)(720 / pix->width);
966 /* 0 is not allowed (div. by zero) */
967 HPSC = HPSC ? HPSC : 1;
968 HFSC = (int)((1024 * 720) / (HPSC * pix->width));
970 v4l_dbg(1, debug, client, "Hpsc: 0x%05x, Hfsc: 0x%05x\n", HPSC, HFSC);
971 /* FIXME hardcodes to "Task B"
972 * write H prescaler integer */
973 saa7115_write(client, 0xd0, (u8) (HPSC & 0x3f));
975 /* write H fine-scaling (luminance) */
976 saa7115_write(client, 0xd8, (u8) (HFSC & 0xff));
977 saa7115_write(client, 0xd9, (u8) ((HFSC >> 8) & 0xff));
978 /* write H fine-scaling (chrominance)
979 * must be lum/2, so i'll just bitshift :) */
980 saa7115_write(client, 0xDC, (u8) ((HFSC >> 1) & 0xff));
981 saa7115_write(client, 0xDD, (u8) ((HFSC >> 9) & 0xff));
984 v4l_dbg(1, debug, client, "Setting full 50hz width\n");
985 saa7115_writeregs(client, saa7115_cfg_50hz_fullres_x);
987 v4l_dbg(1, debug, client, "Setting full 60hz width\n");
988 saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x);
992 Vsrc = is_50hz ? 576 : 480;
994 if (pix->height != Vsrc) {
995 VSCY = (int)((1024 * Vsrc) / pix->height);
996 v4l_dbg(1, debug, client, "Vsrc: %d, Vscy: 0x%05x\n", Vsrc, VSCY);
998 /* Correct Contrast and Luminance */
999 saa7115_write(client, 0xd5, (u8) (64 * 1024 / VSCY));
1000 saa7115_write(client, 0xd6, (u8) (64 * 1024 / VSCY));
1002 /* write V fine-scaling (luminance) */
1003 saa7115_write(client, 0xe0, (u8) (VSCY & 0xff));
1004 saa7115_write(client, 0xe1, (u8) ((VSCY >> 8) & 0xff));
1005 /* write V fine-scaling (chrominance) */
1006 saa7115_write(client, 0xe2, (u8) (VSCY & 0xff));
1007 saa7115_write(client, 0xe3, (u8) ((VSCY >> 8) & 0xff));
1010 v4l_dbg(1, debug, client, "Setting full 50Hz height\n");
1011 saa7115_writeregs(client, saa7115_cfg_50hz_fullres_y);
1013 v4l_dbg(1, debug, client, "Setting full 60hz height\n");
1014 saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y);
1018 saa7115_writeregs(client, saa7115_cfg_reset_scaler);
1022 /* Decode the sliced VBI data stream as created by the saa7115.
1023 The format is described in the saa7115 datasheet in Tables 25 and 26
1025 The current implementation uses SAV/EAV codes and not the ancillary data
1026 headers. The vbi->p pointer points to the SDID byte right after the SAV
1028 static void saa7115_decode_vbi_line(struct i2c_client *client,
1029 struct v4l2_decode_vbi_line *vbi)
1031 static const char vbi_no_data_pattern[] = {
1032 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0, 0xa0
1034 struct saa7115_state *state = i2c_get_clientdata(client);
1037 int id1, id2; /* the ID1 and ID2 bytes from the internal header */
1039 vbi->type = 0; /* mark result as a failure */
1042 /* Note: the field bit is inverted for 60 Hz video */
1043 if (state->std & V4L2_STD_525_60)
1046 /* Skip internal header, p now points to the start of the payload */
1050 /* calculate field and line number of the VBI packet (1-23) */
1051 vbi->is_second_field = ((id1 & 0x40) != 0);
1052 vbi->line = (id1 & 0x3f) << 3;
1053 vbi->line |= (id2 & 0x70) >> 4;
1055 /* Obtain data type */
1058 /* If the VBI slicer does not detect any signal it will fill up
1059 the payload buffer with 0xa0 bytes. */
1060 if (!memcmp(p, vbi_no_data_pattern, sizeof(vbi_no_data_pattern)))
1063 /* decode payloads */
1066 vbi->type = V4L2_SLICED_TELETEXT_B;
1069 if (!saa7115_odd_parity(p[0]) || !saa7115_odd_parity(p[1]))
1071 vbi->type = V4L2_SLICED_CAPTION_525;
1074 wss = saa7115_decode_wss(p);
1079 vbi->type = V4L2_SLICED_WSS_625;
1082 if (saa7115_decode_vps(p, p) != 0)
1084 vbi->type = V4L2_SLICED_VPS;
1091 /* ============ SAA7115 AUDIO settings (end) ============= */
1093 static int saa7115_command(struct i2c_client *client, unsigned int cmd, void *arg)
1095 struct saa7115_state *state = i2c_get_clientdata(client);
1098 /* ioctls to allow direct access to the saa7115 registers for testing */
1101 return saa7115_set_v4lfmt(client, (struct v4l2_format *)arg);
1104 return saa7115_get_v4lfmt(client, (struct v4l2_format *)arg);
1106 case VIDIOC_INT_AUDIO_CLOCK_FREQ:
1107 return saa7115_set_audio_clock_freq(client, *(u32 *)arg);
1109 case VIDIOC_G_TUNER:
1111 struct v4l2_tuner *vt = arg;
1116 status = saa7115_read(client, 0x1f);
1118 v4l_dbg(1, debug, client, "status: 0x%02x\n", status);
1119 vt->signal = ((status & (1 << 6)) == 0) ? 0xffff : 0x0;
1123 case VIDIOC_LOG_STATUS:
1124 saa7115_log_status(client);
1128 return saa7115_get_v4lctrl(client, (struct v4l2_control *)arg);
1131 return saa7115_set_v4lctrl(client, (struct v4l2_control *)arg);
1133 case VIDIOC_QUERYCTRL:
1135 struct v4l2_queryctrl *qc = arg;
1138 case V4L2_CID_BRIGHTNESS:
1139 case V4L2_CID_CONTRAST:
1140 case V4L2_CID_SATURATION:
1142 return v4l2_ctrl_query_fill_std(qc);
1149 *(v4l2_std_id *)arg = saa7115_get_v4lstd(client);
1154 saa7115_set_v4lstd(client, *(v4l2_std_id *)arg);
1157 case AUDC_SET_RADIO:
1161 case VIDIOC_INT_G_VIDEO_ROUTING:
1163 struct v4l2_routing *route = arg;
1165 route->input = state->input;
1170 case VIDIOC_INT_S_VIDEO_ROUTING:
1172 struct v4l2_routing *route = arg;
1174 v4l_dbg(1, debug, client, "decoder set input %d\n", route->input);
1175 /* saa7113 does not have these inputs */
1176 if (state->ident == V4L2_IDENT_SAA7113 &&
1177 (route->input == SAA7115_COMPOSITE4 ||
1178 route->input == SAA7115_COMPOSITE5)) {
1181 if (route->input > SAA7115_SVIDEO3)
1183 if (state->input == route->input)
1185 v4l_dbg(1, debug, client, "now setting %s input\n",
1186 (route->input >= SAA7115_SVIDEO0) ? "S-Video" : "Composite");
1187 state->input = route->input;
1190 saa7115_write(client, 0x02,
1191 (saa7115_read(client, 0x02) & 0xf0) |
1194 /* bypass chrominance trap for S-Video modes */
1195 saa7115_write(client, 0x09,
1196 (saa7115_read(client, 0x09) & 0x7f) |
1197 (state->input >= SAA7115_SVIDEO0 ? 0x80 : 0x0));
1201 case VIDIOC_STREAMON:
1202 case VIDIOC_STREAMOFF:
1203 v4l_dbg(1, debug, client, "%s output\n",
1204 (cmd == VIDIOC_STREAMON) ? "enable" : "disable");
1206 if (state->enable != (cmd == VIDIOC_STREAMON)) {
1207 state->enable = (cmd == VIDIOC_STREAMON);
1208 saa7115_write(client, 0x87, state->enable);
1212 case VIDIOC_INT_S_CRYSTAL_FREQ:
1214 struct v4l2_crystal_freq *freq = arg;
1216 if (freq->freq != SAA7115_FREQ_32_11_MHZ &&
1217 freq->freq != SAA7115_FREQ_24_576_MHZ)
1219 state->crystal_freq = freq->freq;
1220 state->cgcdiv = (freq->flags & SAA7115_FREQ_FL_CGCDIV) ? 3 : 4;
1221 state->ucgc = (freq->flags & SAA7115_FREQ_FL_UCGC) ? 1 : 0;
1222 state->apll = (freq->flags & SAA7115_FREQ_FL_APLL) ? 1 : 0;
1223 saa7115_set_audio_clock_freq(client, state->audclk_freq);
1227 case VIDIOC_INT_DECODE_VBI_LINE:
1228 saa7115_decode_vbi_line(client, arg);
1231 case VIDIOC_INT_RESET:
1232 v4l_dbg(1, debug, client, "decoder RESET\n");
1233 saa7115_writeregs(client, saa7115_cfg_reset_scaler);
1236 case VIDIOC_INT_G_VBI_DATA:
1238 struct v4l2_sliced_vbi_data *data = arg;
1241 case V4L2_SLICED_WSS_625:
1242 if (saa7115_read(client, 0x6b) & 0xc0)
1244 data->data[0] = saa7115_read(client, 0x6c);
1245 data->data[1] = saa7115_read(client, 0x6d);
1247 case V4L2_SLICED_CAPTION_525:
1248 if (data->field == 0) {
1250 if (saa7115_read(client, 0x66) & 0xc0)
1252 data->data[0] = saa7115_read(client, 0x67);
1253 data->data[1] = saa7115_read(client, 0x68);
1257 if (saa7115_read(client, 0x66) & 0x30)
1259 data->data[0] = saa7115_read(client, 0x69);
1260 data->data[1] = saa7115_read(client, 0x6a);
1268 #ifdef CONFIG_VIDEO_ADV_DEBUG
1269 case VIDIOC_INT_G_REGISTER:
1271 struct v4l2_register *reg = arg;
1273 if (reg->i2c_id != I2C_DRIVERID_SAA711X)
1275 reg->val = saa7115_read(client, reg->reg & 0xff);
1279 case VIDIOC_INT_S_REGISTER:
1281 struct v4l2_register *reg = arg;
1283 if (reg->i2c_id != I2C_DRIVERID_SAA711X)
1285 if (!capable(CAP_SYS_ADMIN))
1287 saa7115_write(client, reg->reg & 0xff, reg->val & 0xff);
1292 case VIDIOC_INT_G_CHIP_IDENT:
1293 *iarg = state->ident;
1303 /* ----------------------------------------------------------------------- */
1305 static struct i2c_driver i2c_driver_saa7115;
1307 static int saa7115_attach(struct i2c_adapter *adapter, int address, int kind)
1309 struct i2c_client *client;
1310 struct saa7115_state *state;
1313 /* Check if the adapter supports the needed features */
1314 if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA))
1317 client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
1320 client->addr = address;
1321 client->adapter = adapter;
1322 client->driver = &i2c_driver_saa7115;
1323 snprintf(client->name, sizeof(client->name) - 1, "saa7115");
1325 v4l_dbg(1, debug, client, "detecting saa7115 client on address 0x%x\n", address << 1);
1327 saa7115_write(client, 0, 5);
1328 chip_id = saa7115_read(client, 0) & 0x0f;
1329 if (chip_id < 3 && chip_id > 5) {
1330 v4l_dbg(1, debug, client, "saa7115 not found\n");
1334 snprintf(client->name, sizeof(client->name) - 1, "saa711%d",chip_id);
1335 v4l_info(client, "saa711%d found @ 0x%x (%s)\n", chip_id, address << 1, adapter->name);
1337 state = kzalloc(sizeof(struct saa7115_state), GFP_KERNEL);
1338 i2c_set_clientdata(client, state);
1339 if (state == NULL) {
1343 state->std = V4L2_STD_NTSC;
1347 state->bright = 128;
1348 state->contrast = 64;
1353 state->ident = V4L2_IDENT_SAA7113;
1356 state->ident = V4L2_IDENT_SAA7114;
1359 state->ident = V4L2_IDENT_SAA7115;
1363 state->audclk_freq = 48000;
1365 v4l_dbg(1, debug, client, "writing init values\n");
1367 /* init to 60hz/48khz */
1368 if (state->ident == V4L2_IDENT_SAA7113) {
1369 state->crystal_freq = SAA7115_FREQ_24_576_MHZ;
1370 saa7115_writeregs(client, saa7113_init_auto_input);
1372 state->crystal_freq = SAA7115_FREQ_32_11_MHZ;
1373 saa7115_writeregs(client, saa7115_init_auto_input);
1375 saa7115_writeregs(client, saa7115_init_misc);
1376 saa7115_writeregs(client, saa7115_cfg_60hz_fullres_x);
1377 saa7115_writeregs(client, saa7115_cfg_60hz_fullres_y);
1378 saa7115_writeregs(client, saa7115_cfg_60hz_video);
1379 saa7115_set_audio_clock_freq(client, state->audclk_freq);
1380 saa7115_writeregs(client, saa7115_cfg_reset_scaler);
1382 i2c_attach_client(client);
1384 v4l_dbg(1, debug, client, "status: (1E) 0x%02x, (1F) 0x%02x\n",
1385 saa7115_read(client, 0x1e), saa7115_read(client, 0x1f));
1390 static int saa7115_probe(struct i2c_adapter *adapter)
1392 if (adapter->class & I2C_CLASS_TV_ANALOG)
1393 return i2c_probe(adapter, &addr_data, &saa7115_attach);
1397 static int saa7115_detach(struct i2c_client *client)
1399 struct saa7115_state *state = i2c_get_clientdata(client);
1402 err = i2c_detach_client(client);
1412 /* ----------------------------------------------------------------------- */
1414 /* i2c implementation */
1415 static struct i2c_driver i2c_driver_saa7115 = {
1419 .id = I2C_DRIVERID_SAA711X,
1420 .attach_adapter = saa7115_probe,
1421 .detach_client = saa7115_detach,
1422 .command = saa7115_command,
1426 static int __init saa7115_init_module(void)
1428 return i2c_add_driver(&i2c_driver_saa7115);
1431 static void __exit saa7115_cleanup_module(void)
1433 i2c_del_driver(&i2c_driver_saa7115);
1436 module_init(saa7115_init_module);
1437 module_exit(saa7115_cleanup_module);