Commit | Line | Data |
---|---|---|
e281db58 HV |
1 | /* |
2 | saa6752hs - i2c-driver for the saa6752hs by Philips | |
3 | ||
4 | Copyright (C) 2004 Andrew de Quincey | |
5 | ||
6 | AC-3 support: | |
7 | ||
8 | Copyright (C) 2008 Hans Verkuil <hverkuil@xs4all.nl> | |
9 | ||
10 | This program is free software; you can redistribute it and/or modify | |
11 | it under the terms of the GNU General Public License vs published by | |
12 | the Free Software Foundation; either version 2 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | This program is distributed in the hope that it will be useful, | |
16 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | GNU General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU General Public License | |
21 | along with this program; if not, write to the Free Software | |
22 | Foundation, Inc., 675 Mvss Ave, Cambridge, MA 02139, USA. | |
23 | */ | |
24 | ||
1da177e4 LT |
25 | #include <linux/module.h> |
26 | #include <linux/kernel.h> | |
1da177e4 LT |
27 | #include <linux/string.h> |
28 | #include <linux/timer.h> | |
29 | #include <linux/delay.h> | |
30 | #include <linux/errno.h> | |
31 | #include <linux/slab.h> | |
32 | #include <linux/poll.h> | |
33 | #include <linux/i2c.h> | |
34 | #include <linux/types.h> | |
cab462f7 | 35 | #include <linux/videodev2.h> |
5b73e98c | 36 | #include <media/v4l2-device.h> |
cab462f7 | 37 | #include <media/v4l2-common.h> |
e281db58 | 38 | #include <media/v4l2-chip-ident.h> |
1da177e4 LT |
39 | #include <linux/init.h> |
40 | #include <linux/crc32.h> | |
41 | ||
1da177e4 LT |
42 | #define MPEG_VIDEO_TARGET_BITRATE_MAX 27000 |
43 | #define MPEG_VIDEO_MAX_BITRATE_MAX 27000 | |
44 | #define MPEG_TOTAL_TARGET_BITRATE_MAX 27000 | |
45 | #define MPEG_PID_MAX ((1 << 14) - 1) | |
46 | ||
1da177e4 LT |
47 | |
48 | MODULE_DESCRIPTION("device driver for saa6752hs MPEG2 encoder"); | |
49 | MODULE_AUTHOR("Andrew de Quincey"); | |
50 | MODULE_LICENSE("GPL"); | |
51 | ||
0a4c9c93 FC |
52 | enum saa6752hs_videoformat { |
53 | SAA6752HS_VF_D1 = 0, /* standard D1 video format: 720x576 */ | |
54 | SAA6752HS_VF_2_3_D1 = 1,/* 2/3D1 video format: 480x576 */ | |
55 | SAA6752HS_VF_1_2_D1 = 2,/* 1/2D1 video format: 352x576 */ | |
56 | SAA6752HS_VF_SIF = 3, /* SIF video format: 352x288 */ | |
57 | SAA6752HS_VF_UNKNOWN, | |
58 | }; | |
59 | ||
86b79d66 HV |
60 | struct saa6752hs_mpeg_params { |
61 | /* transport streams */ | |
62 | __u16 ts_pid_pmt; | |
63 | __u16 ts_pid_audio; | |
64 | __u16 ts_pid_video; | |
65 | __u16 ts_pid_pcr; | |
66 | ||
67 | /* audio */ | |
e281db58 HV |
68 | enum v4l2_mpeg_audio_encoding au_encoding; |
69 | enum v4l2_mpeg_audio_l2_bitrate au_l2_bitrate; | |
70 | enum v4l2_mpeg_audio_ac3_bitrate au_ac3_bitrate; | |
86b79d66 HV |
71 | |
72 | /* video */ | |
73 | enum v4l2_mpeg_video_aspect vi_aspect; | |
74 | enum v4l2_mpeg_video_bitrate_mode vi_bitrate_mode; | |
75 | __u32 vi_bitrate; | |
76 | __u32 vi_bitrate_peak; | |
77 | }; | |
78 | ||
0a4c9c93 FC |
79 | static const struct v4l2_format v4l2_format_table[] = |
80 | { | |
ac19ecc6 MCC |
81 | [SAA6752HS_VF_D1] = |
82 | { .fmt = { .pix = { .width = 720, .height = 576 }}}, | |
83 | [SAA6752HS_VF_2_3_D1] = | |
84 | { .fmt = { .pix = { .width = 480, .height = 576 }}}, | |
85 | [SAA6752HS_VF_1_2_D1] = | |
86 | { .fmt = { .pix = { .width = 352, .height = 576 }}}, | |
87 | [SAA6752HS_VF_SIF] = | |
88 | { .fmt = { .pix = { .width = 352, .height = 288 }}}, | |
89 | [SAA6752HS_VF_UNKNOWN] = | |
90 | { .fmt = { .pix = { .width = 0, .height = 0}}}, | |
0a4c9c93 FC |
91 | }; |
92 | ||
1da177e4 | 93 | struct saa6752hs_state { |
5b73e98c | 94 | struct v4l2_subdev sd; |
e281db58 HV |
95 | int chip; |
96 | u32 revision; | |
97 | int has_ac3; | |
86b79d66 | 98 | struct saa6752hs_mpeg_params params; |
0a4c9c93 | 99 | enum saa6752hs_videoformat video_format; |
9b71521b | 100 | v4l2_std_id standard; |
1da177e4 LT |
101 | }; |
102 | ||
103 | enum saa6752hs_command { | |
104 | SAA6752HS_COMMAND_RESET = 0, | |
657de3cd TP |
105 | SAA6752HS_COMMAND_STOP = 1, |
106 | SAA6752HS_COMMAND_START = 2, | |
107 | SAA6752HS_COMMAND_PAUSE = 3, | |
108 | SAA6752HS_COMMAND_RECONFIGURE = 4, | |
109 | SAA6752HS_COMMAND_SLEEP = 5, | |
1da177e4 LT |
110 | SAA6752HS_COMMAND_RECONFIGURE_FORCE = 6, |
111 | ||
112 | SAA6752HS_COMMAND_MAX | |
113 | }; | |
114 | ||
5b73e98c HV |
115 | static inline struct saa6752hs_state *to_state(struct v4l2_subdev *sd) |
116 | { | |
117 | return container_of(sd, struct saa6752hs_state, sd); | |
118 | } | |
119 | ||
1da177e4 LT |
120 | /* ---------------------------------------------------------------------- */ |
121 | ||
122 | static u8 PAT[] = { | |
9b71521b RB |
123 | 0xc2, /* i2c register */ |
124 | 0x00, /* table number for encoder */ | |
1da177e4 | 125 | |
9b71521b RB |
126 | 0x47, /* sync */ |
127 | 0x40, 0x00, /* transport_error_indicator(0), payload_unit_start(1), transport_priority(0), pid(0) */ | |
128 | 0x10, /* transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) */ | |
1da177e4 | 129 | |
9b71521b | 130 | 0x00, /* PSI pointer to start of table */ |
1da177e4 | 131 | |
9b71521b RB |
132 | 0x00, /* tid(0) */ |
133 | 0xb0, 0x0d, /* section_syntax_indicator(1), section_length(13) */ | |
1da177e4 | 134 | |
9b71521b | 135 | 0x00, 0x01, /* transport_stream_id(1) */ |
1da177e4 | 136 | |
9b71521b | 137 | 0xc1, /* version_number(0), current_next_indicator(1) */ |
1da177e4 | 138 | |
9b71521b | 139 | 0x00, 0x00, /* section_number(0), last_section_number(0) */ |
1da177e4 | 140 | |
9b71521b | 141 | 0x00, 0x01, /* program_number(1) */ |
1da177e4 | 142 | |
9b71521b | 143 | 0xe0, 0x00, /* PMT PID */ |
1da177e4 | 144 | |
9b71521b | 145 | 0x00, 0x00, 0x00, 0x00 /* CRC32 */ |
1da177e4 LT |
146 | }; |
147 | ||
148 | static u8 PMT[] = { | |
9b71521b RB |
149 | 0xc2, /* i2c register */ |
150 | 0x01, /* table number for encoder */ | |
1da177e4 | 151 | |
9b71521b RB |
152 | 0x47, /* sync */ |
153 | 0x40, 0x00, /* transport_error_indicator(0), payload_unit_start(1), transport_priority(0), pid */ | |
154 | 0x10, /* transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) */ | |
1da177e4 | 155 | |
9b71521b | 156 | 0x00, /* PSI pointer to start of table */ |
1da177e4 | 157 | |
9b71521b RB |
158 | 0x02, /* tid(2) */ |
159 | 0xb0, 0x17, /* section_syntax_indicator(1), section_length(23) */ | |
1da177e4 | 160 | |
9b71521b | 161 | 0x00, 0x01, /* program_number(1) */ |
1da177e4 | 162 | |
9b71521b | 163 | 0xc1, /* version_number(0), current_next_indicator(1) */ |
1da177e4 | 164 | |
9b71521b | 165 | 0x00, 0x00, /* section_number(0), last_section_number(0) */ |
1da177e4 | 166 | |
9b71521b | 167 | 0xe0, 0x00, /* PCR_PID */ |
1da177e4 | 168 | |
9b71521b | 169 | 0xf0, 0x00, /* program_info_length(0) */ |
1da177e4 | 170 | |
9b71521b RB |
171 | 0x02, 0xe0, 0x00, 0xf0, 0x00, /* video stream type(2), pid */ |
172 | 0x04, 0xe0, 0x00, 0xf0, 0x00, /* audio stream type(4), pid */ | |
1da177e4 | 173 | |
9b71521b | 174 | 0x00, 0x00, 0x00, 0x00 /* CRC32 */ |
1da177e4 LT |
175 | }; |
176 | ||
3eea543b HV |
177 | static u8 PMT_AC3[] = { |
178 | 0xc2, /* i2c register */ | |
179 | 0x01, /* table number for encoder(1) */ | |
180 | 0x47, /* sync */ | |
181 | ||
182 | 0x40, /* transport_error_indicator(0), payload_unit_start(1), transport_priority(0) */ | |
183 | 0x10, /* PMT PID (0x0010) */ | |
184 | 0x10, /* transport_scrambling_control(00), adaptation_field_control(01), continuity_counter(0) */ | |
185 | ||
186 | 0x00, /* PSI pointer to start of table */ | |
187 | ||
188 | 0x02, /* TID (2) */ | |
189 | 0xb0, 0x1a, /* section_syntax_indicator(1), section_length(26) */ | |
190 | ||
191 | 0x00, 0x01, /* program_number(1) */ | |
192 | ||
193 | 0xc1, /* version_number(0), current_next_indicator(1) */ | |
194 | ||
195 | 0x00, 0x00, /* section_number(0), last_section_number(0) */ | |
196 | ||
197 | 0xe1, 0x04, /* PCR_PID (0x0104) */ | |
198 | ||
199 | 0xf0, 0x00, /* program_info_length(0) */ | |
200 | ||
201 | 0x02, 0xe1, 0x00, 0xf0, 0x00, /* video stream type(2), pid */ | |
202 | 0x06, 0xe1, 0x03, 0xf0, 0x03, /* audio stream type(6), pid */ | |
203 | 0x6a, /* AC3 */ | |
204 | 0x01, /* Descriptor_length(1) */ | |
205 | 0x00, /* component_type_flag(0), bsid_flag(0), mainid_flag(0), asvc_flag(0), reserved flags(0) */ | |
206 | ||
207 | 0xED, 0xDE, 0x2D, 0xF3 /* CRC32 BE */ | |
208 | }; | |
209 | ||
86b79d66 HV |
210 | static struct saa6752hs_mpeg_params param_defaults = |
211 | { | |
212 | .ts_pid_pmt = 16, | |
213 | .ts_pid_video = 260, | |
214 | .ts_pid_audio = 256, | |
215 | .ts_pid_pcr = 259, | |
216 | ||
217 | .vi_aspect = V4L2_MPEG_VIDEO_ASPECT_4x3, | |
218 | .vi_bitrate = 4000, | |
219 | .vi_bitrate_peak = 6000, | |
220 | .vi_bitrate_mode = V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, | |
221 | ||
e281db58 | 222 | .au_encoding = V4L2_MPEG_AUDIO_ENCODING_LAYER_2, |
86b79d66 | 223 | .au_l2_bitrate = V4L2_MPEG_AUDIO_L2_BITRATE_256K, |
3eea543b | 224 | .au_ac3_bitrate = V4L2_MPEG_AUDIO_AC3_BITRATE_256K, |
86b79d66 HV |
225 | }; |
226 | ||
1da177e4 LT |
227 | /* ---------------------------------------------------------------------- */ |
228 | ||
ff5f26b4 | 229 | static int saa6752hs_chip_command(struct i2c_client *client, |
1da177e4 LT |
230 | enum saa6752hs_command command) |
231 | { | |
232 | unsigned char buf[3]; | |
233 | unsigned long timeout; | |
234 | int status = 0; | |
235 | ||
9b71521b | 236 | /* execute the command */ |
1da177e4 | 237 | switch(command) { |
4ac97914 MCC |
238 | case SAA6752HS_COMMAND_RESET: |
239 | buf[0] = 0x00; | |
1da177e4 LT |
240 | break; |
241 | ||
242 | case SAA6752HS_COMMAND_STOP: | |
4ac97914 | 243 | buf[0] = 0x03; |
1da177e4 LT |
244 | break; |
245 | ||
246 | case SAA6752HS_COMMAND_START: | |
4ac97914 | 247 | buf[0] = 0x02; |
1da177e4 LT |
248 | break; |
249 | ||
250 | case SAA6752HS_COMMAND_PAUSE: | |
4ac97914 | 251 | buf[0] = 0x04; |
1da177e4 LT |
252 | break; |
253 | ||
254 | case SAA6752HS_COMMAND_RECONFIGURE: | |
255 | buf[0] = 0x05; | |
256 | break; | |
257 | ||
4ac97914 MCC |
258 | case SAA6752HS_COMMAND_SLEEP: |
259 | buf[0] = 0x06; | |
1da177e4 LT |
260 | break; |
261 | ||
4ac97914 | 262 | case SAA6752HS_COMMAND_RECONFIGURE_FORCE: |
1da177e4 LT |
263 | buf[0] = 0x07; |
264 | break; | |
265 | ||
266 | default: | |
267 | return -EINVAL; | |
268 | } | |
269 | ||
4ac97914 | 270 | /* set it and wait for it to be so */ |
1da177e4 LT |
271 | i2c_master_send(client, buf, 1); |
272 | timeout = jiffies + HZ * 3; | |
273 | for (;;) { | |
9b71521b | 274 | /* get the current status */ |
1da177e4 | 275 | buf[0] = 0x10; |
4ac97914 | 276 | i2c_master_send(client, buf, 1); |
1da177e4 LT |
277 | i2c_master_recv(client, buf, 1); |
278 | ||
279 | if (!(buf[0] & 0x20)) | |
280 | break; | |
281 | if (time_after(jiffies,timeout)) { | |
282 | status = -ETIMEDOUT; | |
283 | break; | |
284 | } | |
285 | ||
1da177e4 LT |
286 | msleep(10); |
287 | } | |
288 | ||
9b71521b | 289 | /* delay a bit to let encoder settle */ |
1da177e4 LT |
290 | msleep(50); |
291 | ||
4ac97914 | 292 | return status; |
1da177e4 LT |
293 | } |
294 | ||
295 | ||
ff5f26b4 HV |
296 | static inline void set_reg8(struct i2c_client *client, uint8_t reg, uint8_t val) |
297 | { | |
298 | u8 buf[2]; | |
299 | ||
300 | buf[0] = reg; | |
301 | buf[1] = val; | |
302 | i2c_master_send(client, buf, 2); | |
303 | } | |
304 | ||
305 | static inline void set_reg16(struct i2c_client *client, uint8_t reg, uint16_t val) | |
306 | { | |
307 | u8 buf[3]; | |
308 | ||
309 | buf[0] = reg; | |
310 | buf[1] = val >> 8; | |
311 | buf[2] = val & 0xff; | |
312 | i2c_master_send(client, buf, 3); | |
313 | } | |
314 | ||
315 | static int saa6752hs_set_bitrate(struct i2c_client *client, | |
e281db58 | 316 | struct saa6752hs_state *h) |
1da177e4 | 317 | { |
e281db58 | 318 | struct saa6752hs_mpeg_params *params = &h->params; |
b57e5578 | 319 | int tot_bitrate; |
ff5f26b4 | 320 | int is_384k; |
1da177e4 | 321 | |
9b71521b | 322 | /* set the bitrate mode */ |
ff5f26b4 HV |
323 | set_reg8(client, 0x71, |
324 | params->vi_bitrate_mode != V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); | |
1da177e4 | 325 | |
9b71521b | 326 | /* set the video bitrate */ |
b57e5578 | 327 | if (params->vi_bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR) { |
9b71521b | 328 | /* set the target bitrate */ |
ff5f26b4 | 329 | set_reg16(client, 0x80, params->vi_bitrate); |
1da177e4 | 330 | |
9b71521b | 331 | /* set the max bitrate */ |
ff5f26b4 | 332 | set_reg16(client, 0x81, params->vi_bitrate_peak); |
b57e5578 | 333 | tot_bitrate = params->vi_bitrate_peak; |
1da177e4 | 334 | } else { |
9b71521b | 335 | /* set the target bitrate (no max bitrate for CBR) */ |
ff5f26b4 | 336 | set_reg16(client, 0x81, params->vi_bitrate); |
b57e5578 | 337 | tot_bitrate = params->vi_bitrate; |
1da177e4 LT |
338 | } |
339 | ||
e281db58 | 340 | /* set the audio encoding */ |
ff5f26b4 HV |
341 | set_reg8(client, 0x93, |
342 | params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3); | |
e281db58 | 343 | |
9b71521b | 344 | /* set the audio bitrate */ |
e281db58 | 345 | if (params->au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) |
ff5f26b4 | 346 | is_384k = V4L2_MPEG_AUDIO_AC3_BITRATE_384K == params->au_ac3_bitrate; |
e281db58 | 347 | else |
ff5f26b4 HV |
348 | is_384k = V4L2_MPEG_AUDIO_L2_BITRATE_384K == params->au_l2_bitrate; |
349 | set_reg8(client, 0x94, is_384k); | |
350 | tot_bitrate += is_384k ? 384 : 256; | |
b57e5578 MCC |
351 | |
352 | /* Note: the total max bitrate is determined by adding the video and audio | |
353 | bitrates together and also adding an extra 768kbit/s to stay on the | |
354 | safe side. If more control should be required, then an extra MPEG control | |
355 | should be added. */ | |
356 | tot_bitrate += 768; | |
357 | if (tot_bitrate > MPEG_TOTAL_TARGET_BITRATE_MAX) | |
358 | tot_bitrate = MPEG_TOTAL_TARGET_BITRATE_MAX; | |
1da177e4 | 359 | |
9b71521b | 360 | /* set the total bitrate */ |
ff5f26b4 | 361 | set_reg16(client, 0xb1, tot_bitrate); |
1da177e4 LT |
362 | return 0; |
363 | } | |
364 | ||
0a4c9c93 | 365 | |
5b73e98c HV |
366 | static int get_ctrl(int has_ac3, struct saa6752hs_mpeg_params *params, |
367 | struct v4l2_ext_control *ctrl) | |
368 | { | |
369 | switch (ctrl->id) { | |
370 | case V4L2_CID_MPEG_STREAM_TYPE: | |
371 | ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_TS; | |
372 | break; | |
373 | case V4L2_CID_MPEG_STREAM_PID_PMT: | |
374 | ctrl->value = params->ts_pid_pmt; | |
375 | break; | |
376 | case V4L2_CID_MPEG_STREAM_PID_AUDIO: | |
377 | ctrl->value = params->ts_pid_audio; | |
378 | break; | |
379 | case V4L2_CID_MPEG_STREAM_PID_VIDEO: | |
380 | ctrl->value = params->ts_pid_video; | |
381 | break; | |
382 | case V4L2_CID_MPEG_STREAM_PID_PCR: | |
383 | ctrl->value = params->ts_pid_pcr; | |
384 | break; | |
385 | case V4L2_CID_MPEG_AUDIO_ENCODING: | |
386 | ctrl->value = params->au_encoding; | |
387 | break; | |
388 | case V4L2_CID_MPEG_AUDIO_L2_BITRATE: | |
389 | ctrl->value = params->au_l2_bitrate; | |
390 | break; | |
391 | case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: | |
392 | if (!has_ac3) | |
393 | return -EINVAL; | |
394 | ctrl->value = params->au_ac3_bitrate; | |
395 | break; | |
396 | case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: | |
397 | ctrl->value = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000; | |
398 | break; | |
399 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
400 | ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_2; | |
401 | break; | |
402 | case V4L2_CID_MPEG_VIDEO_ASPECT: | |
403 | ctrl->value = params->vi_aspect; | |
404 | break; | |
405 | case V4L2_CID_MPEG_VIDEO_BITRATE: | |
406 | ctrl->value = params->vi_bitrate * 1000; | |
407 | break; | |
408 | case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: | |
409 | ctrl->value = params->vi_bitrate_peak * 1000; | |
410 | break; | |
411 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: | |
412 | ctrl->value = params->vi_bitrate_mode; | |
413 | break; | |
414 | default: | |
415 | return -EINVAL; | |
0a4c9c93 | 416 | } |
5b73e98c | 417 | return 0; |
0a4c9c93 FC |
418 | } |
419 | ||
e281db58 | 420 | static int handle_ctrl(int has_ac3, struct saa6752hs_mpeg_params *params, |
5b73e98c | 421 | struct v4l2_ext_control *ctrl, int set) |
86b79d66 HV |
422 | { |
423 | int old = 0, new; | |
86b79d66 HV |
424 | |
425 | new = ctrl->value; | |
426 | switch (ctrl->id) { | |
5b73e98c HV |
427 | case V4L2_CID_MPEG_STREAM_TYPE: |
428 | old = V4L2_MPEG_STREAM_TYPE_MPEG2_TS; | |
429 | if (set && new != old) | |
430 | return -ERANGE; | |
431 | new = old; | |
432 | break; | |
433 | case V4L2_CID_MPEG_STREAM_PID_PMT: | |
434 | old = params->ts_pid_pmt; | |
435 | if (set && new > MPEG_PID_MAX) | |
436 | return -ERANGE; | |
437 | if (new > MPEG_PID_MAX) | |
438 | new = MPEG_PID_MAX; | |
439 | params->ts_pid_pmt = new; | |
440 | break; | |
441 | case V4L2_CID_MPEG_STREAM_PID_AUDIO: | |
442 | old = params->ts_pid_audio; | |
443 | if (set && new > MPEG_PID_MAX) | |
444 | return -ERANGE; | |
445 | if (new > MPEG_PID_MAX) | |
446 | new = MPEG_PID_MAX; | |
447 | params->ts_pid_audio = new; | |
448 | break; | |
449 | case V4L2_CID_MPEG_STREAM_PID_VIDEO: | |
450 | old = params->ts_pid_video; | |
451 | if (set && new > MPEG_PID_MAX) | |
452 | return -ERANGE; | |
453 | if (new > MPEG_PID_MAX) | |
454 | new = MPEG_PID_MAX; | |
455 | params->ts_pid_video = new; | |
456 | break; | |
457 | case V4L2_CID_MPEG_STREAM_PID_PCR: | |
458 | old = params->ts_pid_pcr; | |
459 | if (set && new > MPEG_PID_MAX) | |
460 | return -ERANGE; | |
461 | if (new > MPEG_PID_MAX) | |
462 | new = MPEG_PID_MAX; | |
463 | params->ts_pid_pcr = new; | |
464 | break; | |
465 | case V4L2_CID_MPEG_AUDIO_ENCODING: | |
466 | old = params->au_encoding; | |
467 | if (set && new != V4L2_MPEG_AUDIO_ENCODING_LAYER_2 && | |
468 | (!has_ac3 || new != V4L2_MPEG_AUDIO_ENCODING_AC3)) | |
469 | return -ERANGE; | |
7ae26889 | 470 | params->au_encoding = new; |
5b73e98c HV |
471 | break; |
472 | case V4L2_CID_MPEG_AUDIO_L2_BITRATE: | |
473 | old = params->au_l2_bitrate; | |
474 | if (set && new != V4L2_MPEG_AUDIO_L2_BITRATE_256K && | |
475 | new != V4L2_MPEG_AUDIO_L2_BITRATE_384K) | |
476 | return -ERANGE; | |
477 | if (new <= V4L2_MPEG_AUDIO_L2_BITRATE_256K) | |
478 | new = V4L2_MPEG_AUDIO_L2_BITRATE_256K; | |
479 | else | |
480 | new = V4L2_MPEG_AUDIO_L2_BITRATE_384K; | |
481 | params->au_l2_bitrate = new; | |
482 | break; | |
483 | case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: | |
484 | if (!has_ac3) | |
86b79d66 | 485 | return -EINVAL; |
5b73e98c HV |
486 | old = params->au_ac3_bitrate; |
487 | if (set && new != V4L2_MPEG_AUDIO_AC3_BITRATE_256K && | |
488 | new != V4L2_MPEG_AUDIO_AC3_BITRATE_384K) | |
489 | return -ERANGE; | |
490 | if (new <= V4L2_MPEG_AUDIO_AC3_BITRATE_256K) | |
491 | new = V4L2_MPEG_AUDIO_AC3_BITRATE_256K; | |
492 | else | |
493 | new = V4L2_MPEG_AUDIO_AC3_BITRATE_384K; | |
494 | params->au_ac3_bitrate = new; | |
495 | break; | |
496 | case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: | |
497 | old = V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000; | |
498 | if (set && new != old) | |
499 | return -ERANGE; | |
500 | new = old; | |
501 | break; | |
502 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
503 | old = V4L2_MPEG_VIDEO_ENCODING_MPEG_2; | |
504 | if (set && new != old) | |
505 | return -ERANGE; | |
506 | new = old; | |
507 | break; | |
508 | case V4L2_CID_MPEG_VIDEO_ASPECT: | |
509 | old = params->vi_aspect; | |
510 | if (set && new != V4L2_MPEG_VIDEO_ASPECT_16x9 && | |
511 | new != V4L2_MPEG_VIDEO_ASPECT_4x3) | |
512 | return -ERANGE; | |
513 | if (new != V4L2_MPEG_VIDEO_ASPECT_16x9) | |
514 | new = V4L2_MPEG_VIDEO_ASPECT_4x3; | |
515 | params->vi_aspect = new; | |
516 | break; | |
517 | case V4L2_CID_MPEG_VIDEO_BITRATE: | |
518 | old = params->vi_bitrate * 1000; | |
519 | new = 1000 * (new / 1000); | |
520 | if (set && new > MPEG_VIDEO_TARGET_BITRATE_MAX * 1000) | |
521 | return -ERANGE; | |
522 | if (new > MPEG_VIDEO_TARGET_BITRATE_MAX * 1000) | |
523 | new = MPEG_VIDEO_TARGET_BITRATE_MAX * 1000; | |
524 | params->vi_bitrate = new / 1000; | |
525 | break; | |
526 | case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: | |
527 | old = params->vi_bitrate_peak * 1000; | |
528 | new = 1000 * (new / 1000); | |
529 | if (set && new > MPEG_VIDEO_TARGET_BITRATE_MAX * 1000) | |
530 | return -ERANGE; | |
531 | if (new > MPEG_VIDEO_TARGET_BITRATE_MAX * 1000) | |
532 | new = MPEG_VIDEO_TARGET_BITRATE_MAX * 1000; | |
533 | params->vi_bitrate_peak = new / 1000; | |
534 | break; | |
535 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: | |
536 | old = params->vi_bitrate_mode; | |
537 | params->vi_bitrate_mode = new; | |
538 | break; | |
539 | default: | |
540 | return -EINVAL; | |
86b79d66 | 541 | } |
5b73e98c | 542 | ctrl->value = new; |
86b79d66 | 543 | return 0; |
1da177e4 LT |
544 | } |
545 | ||
5b73e98c HV |
546 | |
547 | static int saa6752hs_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qctrl) | |
8b53b39d | 548 | { |
5b73e98c | 549 | struct saa6752hs_state *h = to_state(sd); |
e281db58 | 550 | struct saa6752hs_mpeg_params *params = &h->params; |
8b53b39d HV |
551 | int err; |
552 | ||
553 | switch (qctrl->id) { | |
554 | case V4L2_CID_MPEG_AUDIO_ENCODING: | |
555 | return v4l2_ctrl_query_fill(qctrl, | |
556 | V4L2_MPEG_AUDIO_ENCODING_LAYER_2, | |
e281db58 HV |
557 | h->has_ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3 : |
558 | V4L2_MPEG_AUDIO_ENCODING_LAYER_2, | |
559 | 1, V4L2_MPEG_AUDIO_ENCODING_LAYER_2); | |
8b53b39d HV |
560 | |
561 | case V4L2_CID_MPEG_AUDIO_L2_BITRATE: | |
562 | return v4l2_ctrl_query_fill(qctrl, | |
563 | V4L2_MPEG_AUDIO_L2_BITRATE_256K, | |
564 | V4L2_MPEG_AUDIO_L2_BITRATE_384K, 1, | |
565 | V4L2_MPEG_AUDIO_L2_BITRATE_256K); | |
566 | ||
e281db58 HV |
567 | case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: |
568 | if (!h->has_ac3) | |
569 | return -EINVAL; | |
570 | return v4l2_ctrl_query_fill(qctrl, | |
571 | V4L2_MPEG_AUDIO_AC3_BITRATE_256K, | |
572 | V4L2_MPEG_AUDIO_AC3_BITRATE_384K, 1, | |
573 | V4L2_MPEG_AUDIO_AC3_BITRATE_256K); | |
574 | ||
8b53b39d HV |
575 | case V4L2_CID_MPEG_AUDIO_SAMPLING_FREQ: |
576 | return v4l2_ctrl_query_fill(qctrl, | |
577 | V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000, | |
578 | V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000, 1, | |
579 | V4L2_MPEG_AUDIO_SAMPLING_FREQ_48000); | |
580 | ||
581 | case V4L2_CID_MPEG_VIDEO_ENCODING: | |
582 | return v4l2_ctrl_query_fill(qctrl, | |
583 | V4L2_MPEG_VIDEO_ENCODING_MPEG_2, | |
584 | V4L2_MPEG_VIDEO_ENCODING_MPEG_2, 1, | |
585 | V4L2_MPEG_VIDEO_ENCODING_MPEG_2); | |
586 | ||
587 | case V4L2_CID_MPEG_VIDEO_ASPECT: | |
588 | return v4l2_ctrl_query_fill(qctrl, | |
589 | V4L2_MPEG_VIDEO_ASPECT_4x3, | |
590 | V4L2_MPEG_VIDEO_ASPECT_16x9, 1, | |
591 | V4L2_MPEG_VIDEO_ASPECT_4x3); | |
592 | ||
593 | case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: | |
10afbef1 | 594 | err = v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 8000000); |
8b53b39d HV |
595 | if (err == 0 && |
596 | params->vi_bitrate_mode == | |
597 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR) | |
598 | qctrl->flags |= V4L2_CTRL_FLAG_INACTIVE; | |
599 | return err; | |
600 | ||
601 | case V4L2_CID_MPEG_STREAM_TYPE: | |
602 | return v4l2_ctrl_query_fill(qctrl, | |
603 | V4L2_MPEG_STREAM_TYPE_MPEG2_TS, | |
604 | V4L2_MPEG_STREAM_TYPE_MPEG2_TS, 1, | |
605 | V4L2_MPEG_STREAM_TYPE_MPEG2_TS); | |
606 | ||
607 | case V4L2_CID_MPEG_VIDEO_BITRATE_MODE: | |
10afbef1 HV |
608 | return v4l2_ctrl_query_fill(qctrl, |
609 | V4L2_MPEG_VIDEO_BITRATE_MODE_VBR, | |
610 | V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1, | |
611 | V4L2_MPEG_VIDEO_BITRATE_MODE_VBR); | |
8b53b39d | 612 | case V4L2_CID_MPEG_VIDEO_BITRATE: |
10afbef1 | 613 | return v4l2_ctrl_query_fill(qctrl, 0, 27000000, 1, 6000000); |
8b53b39d | 614 | case V4L2_CID_MPEG_STREAM_PID_PMT: |
10afbef1 | 615 | return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 16); |
8b53b39d | 616 | case V4L2_CID_MPEG_STREAM_PID_AUDIO: |
10afbef1 | 617 | return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 260); |
8b53b39d | 618 | case V4L2_CID_MPEG_STREAM_PID_VIDEO: |
10afbef1 | 619 | return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 256); |
8b53b39d | 620 | case V4L2_CID_MPEG_STREAM_PID_PCR: |
10afbef1 | 621 | return v4l2_ctrl_query_fill(qctrl, 0, (1 << 14) - 1, 1, 259); |
8b53b39d HV |
622 | |
623 | default: | |
624 | break; | |
625 | } | |
626 | return -EINVAL; | |
627 | } | |
628 | ||
5b73e98c | 629 | static int saa6752hs_querymenu(struct v4l2_subdev *sd, struct v4l2_querymenu *qmenu) |
8b53b39d | 630 | { |
e281db58 HV |
631 | static const u32 mpeg_audio_encoding[] = { |
632 | V4L2_MPEG_AUDIO_ENCODING_LAYER_2, | |
633 | V4L2_CTRL_MENU_IDS_END | |
634 | }; | |
635 | static const u32 mpeg_audio_ac3_encoding[] = { | |
636 | V4L2_MPEG_AUDIO_ENCODING_LAYER_2, | |
637 | V4L2_MPEG_AUDIO_ENCODING_AC3, | |
638 | V4L2_CTRL_MENU_IDS_END | |
639 | }; | |
640 | static u32 mpeg_audio_l2_bitrate[] = { | |
641 | V4L2_MPEG_AUDIO_L2_BITRATE_256K, | |
642 | V4L2_MPEG_AUDIO_L2_BITRATE_384K, | |
643 | V4L2_CTRL_MENU_IDS_END | |
644 | }; | |
645 | static u32 mpeg_audio_ac3_bitrate[] = { | |
646 | V4L2_MPEG_AUDIO_AC3_BITRATE_256K, | |
647 | V4L2_MPEG_AUDIO_AC3_BITRATE_384K, | |
648 | V4L2_CTRL_MENU_IDS_END | |
8b53b39d | 649 | }; |
5b73e98c | 650 | struct saa6752hs_state *h = to_state(sd); |
8b53b39d HV |
651 | struct v4l2_queryctrl qctrl; |
652 | int err; | |
653 | ||
654 | qctrl.id = qmenu->id; | |
5b73e98c | 655 | err = saa6752hs_queryctrl(sd, &qctrl); |
8b53b39d HV |
656 | if (err) |
657 | return err; | |
e281db58 HV |
658 | switch (qmenu->id) { |
659 | case V4L2_CID_MPEG_AUDIO_L2_BITRATE: | |
660 | return v4l2_ctrl_query_menu_valid_items(qmenu, | |
8b53b39d | 661 | mpeg_audio_l2_bitrate); |
e281db58 HV |
662 | case V4L2_CID_MPEG_AUDIO_AC3_BITRATE: |
663 | if (!h->has_ac3) | |
664 | return -EINVAL; | |
665 | return v4l2_ctrl_query_menu_valid_items(qmenu, | |
666 | mpeg_audio_ac3_bitrate); | |
667 | case V4L2_CID_MPEG_AUDIO_ENCODING: | |
668 | return v4l2_ctrl_query_menu_valid_items(qmenu, | |
669 | h->has_ac3 ? mpeg_audio_ac3_encoding : | |
670 | mpeg_audio_encoding); | |
671 | } | |
672 | return v4l2_ctrl_query_menu(qmenu, &qctrl, NULL); | |
8b53b39d HV |
673 | } |
674 | ||
5b73e98c | 675 | static int saa6752hs_init(struct v4l2_subdev *sd, u32 leading_null_bytes) |
1da177e4 LT |
676 | { |
677 | unsigned char buf[9], buf2[4]; | |
5b73e98c HV |
678 | struct saa6752hs_state *h = to_state(sd); |
679 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
3eea543b | 680 | unsigned size; |
1da177e4 LT |
681 | u32 crc; |
682 | unsigned char localPAT[256]; | |
683 | unsigned char localPMT[256]; | |
684 | ||
9b71521b | 685 | /* Set video format - must be done first as it resets other settings */ |
ff5f26b4 | 686 | set_reg8(client, 0x41, h->video_format); |
1da177e4 | 687 | |
9b71521b | 688 | /* Set number of lines in input signal */ |
ff5f26b4 | 689 | set_reg8(client, 0x40, (h->standard & V4L2_STD_525_60) ? 1 : 0); |
9b71521b | 690 | |
4ac97914 | 691 | /* set bitrate */ |
e281db58 | 692 | saa6752hs_set_bitrate(client, h); |
1da177e4 | 693 | |
9b71521b | 694 | /* Set GOP structure {3, 13} */ |
ff5f26b4 | 695 | set_reg16(client, 0x72, 0x030d); |
1da177e4 | 696 | |
657de3cd | 697 | /* Set minimum Q-scale {4} */ |
ff5f26b4 | 698 | set_reg8(client, 0x82, 0x04); |
1da177e4 | 699 | |
657de3cd | 700 | /* Set maximum Q-scale {12} */ |
ff5f26b4 | 701 | set_reg8(client, 0x83, 0x0c); |
1da177e4 | 702 | |
657de3cd | 703 | /* Set Output Protocol */ |
ff5f26b4 | 704 | set_reg8(client, 0xd0, 0x81); |
1da177e4 | 705 | |
657de3cd | 706 | /* Set video output stream format {TS} */ |
ff5f26b4 | 707 | set_reg8(client, 0xb0, 0x05); |
1da177e4 | 708 | |
f03813e4 | 709 | /* Set leading null byte for TS */ |
ff5f26b4 | 710 | set_reg16(client, 0xf6, leading_null_bytes); |
f03813e4 | 711 | |
1da177e4 LT |
712 | /* compute PAT */ |
713 | memcpy(localPAT, PAT, sizeof(PAT)); | |
714 | localPAT[17] = 0xe0 | ((h->params.ts_pid_pmt >> 8) & 0x0f); | |
715 | localPAT[18] = h->params.ts_pid_pmt & 0xff; | |
716 | crc = crc32_be(~0, &localPAT[7], sizeof(PAT) - 7 - 4); | |
717 | localPAT[sizeof(PAT) - 4] = (crc >> 24) & 0xFF; | |
718 | localPAT[sizeof(PAT) - 3] = (crc >> 16) & 0xFF; | |
719 | localPAT[sizeof(PAT) - 2] = (crc >> 8) & 0xFF; | |
720 | localPAT[sizeof(PAT) - 1] = crc & 0xFF; | |
721 | ||
722 | /* compute PMT */ | |
3eea543b HV |
723 | if (h->params.au_encoding == V4L2_MPEG_AUDIO_ENCODING_AC3) { |
724 | size = sizeof(PMT_AC3); | |
725 | memcpy(localPMT, PMT_AC3, size); | |
726 | } else { | |
727 | size = sizeof(PMT); | |
728 | memcpy(localPMT, PMT, size); | |
729 | } | |
4ac97914 MCC |
730 | localPMT[3] = 0x40 | ((h->params.ts_pid_pmt >> 8) & 0x0f); |
731 | localPMT[4] = h->params.ts_pid_pmt & 0xff; | |
1da177e4 LT |
732 | localPMT[15] = 0xE0 | ((h->params.ts_pid_pcr >> 8) & 0x0F); |
733 | localPMT[16] = h->params.ts_pid_pcr & 0xFF; | |
734 | localPMT[20] = 0xE0 | ((h->params.ts_pid_video >> 8) & 0x0F); | |
735 | localPMT[21] = h->params.ts_pid_video & 0xFF; | |
736 | localPMT[25] = 0xE0 | ((h->params.ts_pid_audio >> 8) & 0x0F); | |
737 | localPMT[26] = h->params.ts_pid_audio & 0xFF; | |
3eea543b HV |
738 | crc = crc32_be(~0, &localPMT[7], size - 7 - 4); |
739 | localPMT[size - 4] = (crc >> 24) & 0xFF; | |
740 | localPMT[size - 3] = (crc >> 16) & 0xFF; | |
741 | localPMT[size - 2] = (crc >> 8) & 0xFF; | |
742 | localPMT[size - 1] = crc & 0xFF; | |
1da177e4 | 743 | |
657de3cd | 744 | /* Set Audio PID */ |
ff5f26b4 | 745 | set_reg16(client, 0xc1, h->params.ts_pid_audio); |
1da177e4 | 746 | |
9b71521b | 747 | /* Set Video PID */ |
ff5f26b4 | 748 | set_reg16(client, 0xc0, h->params.ts_pid_video); |
1da177e4 | 749 | |
4ac97914 | 750 | /* Set PCR PID */ |
ff5f26b4 | 751 | set_reg16(client, 0xc4, h->params.ts_pid_pcr); |
1da177e4 | 752 | |
9b71521b | 753 | /* Send SI tables */ |
3eea543b HV |
754 | i2c_master_send(client, localPAT, sizeof(PAT)); |
755 | i2c_master_send(client, localPMT, size); | |
1da177e4 | 756 | |
9b71521b | 757 | /* mute then unmute audio. This removes buzzing artefacts */ |
ff5f26b4 HV |
758 | set_reg8(client, 0xa4, 1); |
759 | set_reg8(client, 0xa4, 0); | |
1da177e4 | 760 | |
9b71521b | 761 | /* start it going */ |
1da177e4 LT |
762 | saa6752hs_chip_command(client, SAA6752HS_COMMAND_START); |
763 | ||
9b71521b | 764 | /* readout current state */ |
1da177e4 LT |
765 | buf[0] = 0xE1; |
766 | buf[1] = 0xA7; | |
767 | buf[2] = 0xFE; | |
768 | buf[3] = 0x82; | |
769 | buf[4] = 0xB0; | |
770 | i2c_master_send(client, buf, 5); | |
771 | i2c_master_recv(client, buf2, 4); | |
772 | ||
9b71521b | 773 | /* change aspect ratio */ |
1da177e4 LT |
774 | buf[0] = 0xE0; |
775 | buf[1] = 0xA7; | |
776 | buf[2] = 0xFE; | |
777 | buf[3] = 0x82; | |
778 | buf[4] = 0xB0; | |
779 | buf[5] = buf2[0]; | |
5b73e98c | 780 | switch (h->params.vi_aspect) { |
86b79d66 | 781 | case V4L2_MPEG_VIDEO_ASPECT_16x9: |
1da177e4 LT |
782 | buf[6] = buf2[1] | 0x40; |
783 | break; | |
86b79d66 | 784 | case V4L2_MPEG_VIDEO_ASPECT_4x3: |
1da177e4 LT |
785 | default: |
786 | buf[6] = buf2[1] & 0xBF; | |
787 | break; | |
1da177e4 LT |
788 | } |
789 | buf[7] = buf2[2]; | |
790 | buf[8] = buf2[3]; | |
791 | i2c_master_send(client, buf, 9); | |
792 | ||
1da177e4 LT |
793 | return 0; |
794 | } | |
795 | ||
5b73e98c | 796 | static int saa6752hs_do_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls, int set) |
1da177e4 | 797 | { |
5b73e98c | 798 | struct saa6752hs_state *h = to_state(sd); |
86b79d66 | 799 | struct saa6752hs_mpeg_params params; |
86b79d66 | 800 | int i; |
1da177e4 | 801 | |
5b73e98c HV |
802 | if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) |
803 | return -EINVAL; | |
804 | ||
805 | params = h->params; | |
806 | for (i = 0; i < ctrls->count; i++) { | |
807 | int err = handle_ctrl(h->has_ac3, ¶ms, ctrls->controls + i, set); | |
808 | ||
809 | if (err) { | |
810 | ctrls->error_idx = i; | |
811 | return err; | |
86b79d66 | 812 | } |
0a4c9c93 | 813 | } |
5b73e98c HV |
814 | if (set) |
815 | h->params = params; | |
816 | return 0; | |
817 | } | |
0a4c9c93 | 818 | |
5b73e98c HV |
819 | static int saa6752hs_s_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls) |
820 | { | |
821 | return saa6752hs_do_ext_ctrls(sd, ctrls, 1); | |
822 | } | |
823 | ||
824 | static int saa6752hs_try_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls) | |
825 | { | |
826 | return saa6752hs_do_ext_ctrls(sd, ctrls, 0); | |
827 | } | |
828 | ||
829 | static int saa6752hs_g_ext_ctrls(struct v4l2_subdev *sd, struct v4l2_ext_controls *ctrls) | |
830 | { | |
831 | struct saa6752hs_state *h = to_state(sd); | |
832 | int i; | |
833 | ||
834 | if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) | |
835 | return -EINVAL; | |
836 | ||
837 | for (i = 0; i < ctrls->count; i++) { | |
838 | int err = get_ctrl(h->has_ac3, &h->params, ctrls->controls + i); | |
839 | ||
840 | if (err) { | |
841 | ctrls->error_idx = i; | |
842 | return err; | |
843 | } | |
0a4c9c93 | 844 | } |
5b73e98c HV |
845 | return 0; |
846 | } | |
e281db58 | 847 | |
51623ef9 | 848 | static int saa6752hs_g_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f) |
5b73e98c HV |
849 | { |
850 | struct saa6752hs_state *h = to_state(sd); | |
e281db58 | 851 | |
5b73e98c HV |
852 | if (h->video_format == SAA6752HS_VF_UNKNOWN) |
853 | h->video_format = SAA6752HS_VF_D1; | |
51623ef9 HV |
854 | f->width = v4l2_format_table[h->video_format].fmt.pix.width; |
855 | f->height = v4l2_format_table[h->video_format].fmt.pix.height; | |
856 | f->code = V4L2_MBUS_FMT_FIXED; | |
857 | f->field = V4L2_FIELD_INTERLACED; | |
858 | f->colorspace = V4L2_COLORSPACE_SMPTE170M; | |
5b73e98c HV |
859 | return 0; |
860 | } | |
861 | ||
51623ef9 | 862 | static int saa6752hs_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f) |
5b73e98c HV |
863 | { |
864 | struct saa6752hs_state *h = to_state(sd); | |
865 | int dist_352, dist_480, dist_720; | |
866 | ||
51623ef9 HV |
867 | if (f->code != V4L2_MBUS_FMT_FIXED) |
868 | return -EINVAL; | |
869 | ||
5b73e98c HV |
870 | /* |
871 | FIXME: translate and round width/height into EMPRESS | |
872 | subsample type: | |
873 | ||
874 | type | PAL | NTSC | |
875 | --------------------------- | |
876 | SIF | 352x288 | 352x240 | |
877 | 1/2 D1 | 352x576 | 352x480 | |
878 | 2/3 D1 | 480x576 | 480x480 | |
879 | D1 | 720x576 | 720x480 | |
880 | */ | |
881 | ||
51623ef9 HV |
882 | dist_352 = abs(f->width - 352); |
883 | dist_480 = abs(f->width - 480); | |
884 | dist_720 = abs(f->width - 720); | |
5b73e98c | 885 | if (dist_720 < dist_480) { |
51623ef9 HV |
886 | f->width = 720; |
887 | f->height = 576; | |
5b73e98c HV |
888 | h->video_format = SAA6752HS_VF_D1; |
889 | } else if (dist_480 < dist_352) { | |
51623ef9 HV |
890 | f->width = 480; |
891 | f->height = 576; | |
5b73e98c HV |
892 | h->video_format = SAA6752HS_VF_2_3_D1; |
893 | } else { | |
51623ef9 HV |
894 | f->width = 352; |
895 | if (abs(f->height - 576) < | |
896 | abs(f->height - 288)) { | |
897 | f->height = 576; | |
5b73e98c HV |
898 | h->video_format = SAA6752HS_VF_1_2_D1; |
899 | } else { | |
51623ef9 | 900 | f->height = 288; |
5b73e98c HV |
901 | h->video_format = SAA6752HS_VF_SIF; |
902 | } | |
1da177e4 | 903 | } |
51623ef9 HV |
904 | f->field = V4L2_FIELD_INTERLACED; |
905 | f->colorspace = V4L2_COLORSPACE_SMPTE170M; | |
5b73e98c HV |
906 | return 0; |
907 | } | |
908 | ||
909 | static int saa6752hs_s_std(struct v4l2_subdev *sd, v4l2_std_id std) | |
910 | { | |
911 | struct saa6752hs_state *h = to_state(sd); | |
912 | ||
913 | h->standard = std; | |
914 | return 0; | |
915 | } | |
916 | ||
917 | static int saa6752hs_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip) | |
918 | { | |
919 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
920 | struct saa6752hs_state *h = to_state(sd); | |
921 | ||
922 | return v4l2_chip_ident_i2c_client(client, | |
923 | chip, h->chip, h->revision); | |
924 | } | |
1da177e4 | 925 | |
5b73e98c HV |
926 | /* ----------------------------------------------------------------------- */ |
927 | ||
928 | static const struct v4l2_subdev_core_ops saa6752hs_core_ops = { | |
929 | .g_chip_ident = saa6752hs_g_chip_ident, | |
930 | .init = saa6752hs_init, | |
931 | .queryctrl = saa6752hs_queryctrl, | |
932 | .querymenu = saa6752hs_querymenu, | |
933 | .g_ext_ctrls = saa6752hs_g_ext_ctrls, | |
934 | .s_ext_ctrls = saa6752hs_s_ext_ctrls, | |
935 | .try_ext_ctrls = saa6752hs_try_ext_ctrls, | |
5b73e98c HV |
936 | .s_std = saa6752hs_s_std, |
937 | }; | |
938 | ||
939 | static const struct v4l2_subdev_video_ops saa6752hs_video_ops = { | |
51623ef9 HV |
940 | .s_mbus_fmt = saa6752hs_s_mbus_fmt, |
941 | .g_mbus_fmt = saa6752hs_g_mbus_fmt, | |
5b73e98c HV |
942 | }; |
943 | ||
944 | static const struct v4l2_subdev_ops saa6752hs_ops = { | |
945 | .core = &saa6752hs_core_ops, | |
5b73e98c HV |
946 | .video = &saa6752hs_video_ops, |
947 | }; | |
948 | ||
e281db58 | 949 | static int saa6752hs_probe(struct i2c_client *client, |
5b73e98c | 950 | const struct i2c_device_id *id) |
e281db58 HV |
951 | { |
952 | struct saa6752hs_state *h = kzalloc(sizeof(*h), GFP_KERNEL); | |
5b73e98c | 953 | struct v4l2_subdev *sd; |
e281db58 HV |
954 | u8 addr = 0x13; |
955 | u8 data[12]; | |
1da177e4 | 956 | |
e281db58 HV |
957 | v4l_info(client, "chip found @ 0x%x (%s)\n", |
958 | client->addr << 1, client->adapter->name); | |
959 | if (h == NULL) | |
960 | return -ENOMEM; | |
5b73e98c HV |
961 | sd = &h->sd; |
962 | v4l2_i2c_subdev_init(sd, client, &saa6752hs_ops); | |
1da177e4 | 963 | |
e281db58 HV |
964 | i2c_master_send(client, &addr, 1); |
965 | i2c_master_recv(client, data, sizeof(data)); | |
966 | h->chip = V4L2_IDENT_SAA6752HS; | |
967 | h->revision = (data[8] << 8) | data[9]; | |
968 | h->has_ac3 = 0; | |
969 | if (h->revision == 0x0206) { | |
970 | h->chip = V4L2_IDENT_SAA6752HS_AC3; | |
971 | h->has_ac3 = 1; | |
972 | v4l_info(client, "support AC-3\n"); | |
973 | } | |
974 | h->params = param_defaults; | |
975 | h->standard = 0; /* Assume 625 input lines */ | |
e281db58 | 976 | return 0; |
1da177e4 LT |
977 | } |
978 | ||
e281db58 | 979 | static int saa6752hs_remove(struct i2c_client *client) |
1da177e4 | 980 | { |
5b73e98c HV |
981 | struct v4l2_subdev *sd = i2c_get_clientdata(client); |
982 | ||
983 | v4l2_device_unregister_subdev(sd); | |
984 | kfree(to_state(sd)); | |
e281db58 | 985 | return 0; |
1da177e4 LT |
986 | } |
987 | ||
e281db58 HV |
988 | static const struct i2c_device_id saa6752hs_id[] = { |
989 | { "saa6752hs", 0 }, | |
990 | { } | |
991 | }; | |
992 | MODULE_DEVICE_TABLE(i2c, saa6752hs_id); | |
993 | ||
099bd5e3 HV |
994 | static struct i2c_driver saa6752hs_driver = { |
995 | .driver = { | |
996 | .owner = THIS_MODULE, | |
997 | .name = "saa6752hs", | |
998 | }, | |
999 | .probe = saa6752hs_probe, | |
1000 | .remove = saa6752hs_remove, | |
1001 | .id_table = saa6752hs_id, | |
e281db58 | 1002 | }; |
1da177e4 | 1003 | |
099bd5e3 HV |
1004 | static __init int init_saa6752hs(void) |
1005 | { | |
1006 | return i2c_add_driver(&saa6752hs_driver); | |
1007 | } | |
1008 | ||
1009 | static __exit void exit_saa6752hs(void) | |
1010 | { | |
1011 | i2c_del_driver(&saa6752hs_driver); | |
1012 | } | |
1013 | ||
1014 | module_init(init_saa6752hs); | |
1015 | module_exit(exit_saa6752hs); | |
1016 | ||
1da177e4 LT |
1017 | /* |
1018 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1019 | * --------------------------------------------------------------------------- | |
1020 | * Local variables: | |
1021 | * c-basic-offset: 8 | |
1022 | * End: | |
1023 | */ |