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1 | /* cx25840 - Conexant CX25840 audio/video decoder driver |
2 | * | |
3 | * Copyright (C) 2004 Ulf Eklund | |
4 | * | |
5 | * Based on the saa7115 driver and on the first verison of Chris Kennedy's | |
6 | * cx25840 driver. | |
7 | * | |
8 | * Changes by Tyler Trafford <tatrafford@comcast.net> | |
9 | * - cleanup/rewrite for V4L2 API (2005) | |
10 | * | |
11 | * VBI support by Hans Verkuil <hverkuil@xs4all.nl>. | |
12 | * | |
13 | * This program is free software; you can redistribute it and/or | |
14 | * modify it under the terms of the GNU General Public License | |
15 | * as published by the Free Software Foundation; either version 2 | |
16 | * of the License, or (at your option) any later version. | |
17 | * | |
18 | * This program is distributed in the hope that it will be useful, | |
19 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | * GNU General Public License for more details. | |
22 | * | |
23 | * You should have received a copy of the GNU General Public License | |
24 | * along with this program; if not, write to the Free Software | |
25 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. | |
26 | */ | |
27 | ||
28 | ||
29 | #include <linux/kernel.h> | |
30 | #include <linux/module.h> | |
31 | #include <linux/slab.h> | |
32 | #include <linux/videodev2.h> | |
33 | #include <linux/i2c.h> | |
34 | #include <media/audiochip.h> | |
35 | #include <media/i2c-compat.h> | |
36 | #include <media/v4l2-common.h> | |
37 | ||
38 | #include "cx25840.h" | |
39 | ||
40 | MODULE_DESCRIPTION("Conexant CX25840 audio/video decoder driver"); | |
41 | MODULE_AUTHOR("Ulf Eklund <ivtv@eklund.to>"); | |
42 | MODULE_AUTHOR("Chris Kennedy <c@groovy.org>"); | |
43 | MODULE_AUTHOR("Hans Verkuil <hverkuil@xs4all.nl>"); | |
44 | MODULE_AUTHOR("Tyler Trafford <tatrafford@comcast.net>"); | |
45 | MODULE_LICENSE("GPL"); | |
46 | ||
47 | static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END }; | |
48 | ||
49 | ||
50 | int cx25840_debug = 0; | |
51 | ||
52 | module_param(cx25840_debug, bool, 0644); | |
53 | ||
54 | MODULE_PARM_DESC(cx25840_debug, "Debugging messages [0=Off (default) 1=On]"); | |
55 | ||
56 | I2C_CLIENT_INSMOD; | |
57 | ||
58 | /* ----------------------------------------------------------------------- */ | |
59 | ||
60 | int cx25840_write(struct i2c_client *client, u16 addr, u8 value) | |
61 | { | |
62 | u8 buffer[3]; | |
63 | buffer[0] = addr >> 8; | |
64 | buffer[1] = addr & 0xff; | |
65 | buffer[2] = value; | |
66 | return i2c_master_send(client, buffer, 3); | |
67 | } | |
68 | ||
69 | int cx25840_write4(struct i2c_client *client, u16 addr, u32 value) | |
70 | { | |
71 | u8 buffer[6]; | |
72 | buffer[0] = addr >> 8; | |
73 | buffer[1] = addr & 0xff; | |
74 | buffer[2] = value >> 24; | |
75 | buffer[3] = (value >> 16) & 0xff; | |
76 | buffer[4] = (value >> 8) & 0xff; | |
77 | buffer[5] = value & 0xff; | |
78 | return i2c_master_send(client, buffer, 6); | |
79 | } | |
80 | ||
81 | u8 cx25840_read(struct i2c_client * client, u16 addr) | |
82 | { | |
83 | u8 buffer[2]; | |
84 | buffer[0] = addr >> 8; | |
85 | buffer[1] = addr & 0xff; | |
86 | ||
87 | if (i2c_master_send(client, buffer, 2) < 2) | |
88 | return 0; | |
89 | ||
90 | if (i2c_master_recv(client, buffer, 1) < 1) | |
91 | return 0; | |
92 | ||
93 | return buffer[0]; | |
94 | } | |
95 | ||
96 | u32 cx25840_read4(struct i2c_client * client, u16 addr) | |
97 | { | |
98 | u8 buffer[4]; | |
99 | buffer[0] = addr >> 8; | |
100 | buffer[1] = addr & 0xff; | |
101 | ||
102 | if (i2c_master_send(client, buffer, 2) < 2) | |
103 | return 0; | |
104 | ||
105 | if (i2c_master_recv(client, buffer, 4) < 4) | |
106 | return 0; | |
107 | ||
108 | return (buffer[0] << 24) | (buffer[1] << 16) | | |
109 | (buffer[2] << 8) | buffer[3]; | |
110 | } | |
111 | ||
112 | int cx25840_and_or(struct i2c_client *client, u16 addr, u8 and_mask, | |
113 | u8 or_value) | |
114 | { | |
115 | return cx25840_write(client, addr, | |
116 | (cx25840_read(client, addr) & and_mask) | | |
117 | or_value); | |
118 | } | |
119 | ||
120 | /* ----------------------------------------------------------------------- */ | |
121 | ||
122 | static int set_input(struct i2c_client *, enum cx25840_input); | |
123 | static void input_change(struct i2c_client *); | |
124 | static void log_status(struct i2c_client *client); | |
125 | ||
126 | /* ----------------------------------------------------------------------- */ | |
127 | ||
128 | static inline void init_dll1(struct i2c_client *client) | |
129 | { | |
130 | /* This is the Hauppauge sequence used to | |
131 | * initialize the Delay Lock Loop 1 (ADC DLL). */ | |
132 | cx25840_write(client, 0x159, 0x23); | |
133 | cx25840_write(client, 0x15a, 0x87); | |
134 | cx25840_write(client, 0x15b, 0x06); | |
135 | cx25840_write(client, 0x159, 0xe1); | |
136 | cx25840_write(client, 0x15a, 0x86); | |
137 | cx25840_write(client, 0x159, 0xe0); | |
138 | cx25840_write(client, 0x159, 0xe1); | |
139 | cx25840_write(client, 0x15b, 0x10); | |
140 | } | |
141 | ||
142 | static inline void init_dll2(struct i2c_client *client) | |
143 | { | |
144 | /* This is the Hauppauge sequence used to | |
145 | * initialize the Delay Lock Loop 2 (ADC DLL). */ | |
146 | cx25840_write(client, 0x15d, 0xe3); | |
147 | cx25840_write(client, 0x15e, 0x86); | |
148 | cx25840_write(client, 0x15f, 0x06); | |
149 | cx25840_write(client, 0x15d, 0xe1); | |
150 | cx25840_write(client, 0x15d, 0xe0); | |
151 | cx25840_write(client, 0x15d, 0xe1); | |
152 | } | |
153 | ||
154 | static void cx25840_initialize(struct i2c_client *client, int loadfw) | |
155 | { | |
156 | struct cx25840_state *state = i2c_get_clientdata(client); | |
157 | ||
158 | /* datasheet startup in numbered steps, refer to page 3-77 */ | |
159 | /* 2. */ | |
160 | cx25840_and_or(client, 0x803, ~0x10, 0x00); | |
161 | /* The default of this register should be 4, but I get 0 instead. | |
162 | * Set this register to 4 manually. */ | |
163 | cx25840_write(client, 0x000, 0x04); | |
164 | /* 3. */ | |
165 | init_dll1(client); | |
166 | init_dll2(client); | |
167 | cx25840_write(client, 0x136, 0x0a); | |
168 | /* 4. */ | |
169 | cx25840_write(client, 0x13c, 0x01); | |
170 | cx25840_write(client, 0x13c, 0x00); | |
171 | /* 5. */ | |
172 | if (loadfw) | |
173 | cx25840_loadfw(client); | |
174 | /* 6. */ | |
175 | cx25840_write(client, 0x115, 0x8c); | |
176 | cx25840_write(client, 0x116, 0x07); | |
177 | cx25840_write(client, 0x118, 0x02); | |
178 | /* 7. */ | |
179 | cx25840_write(client, 0x4a5, 0x80); | |
180 | cx25840_write(client, 0x4a5, 0x00); | |
181 | cx25840_write(client, 0x402, 0x00); | |
182 | /* 8. */ | |
183 | cx25840_write(client, 0x401, 0x18); | |
184 | cx25840_write(client, 0x4a2, 0x10); | |
185 | cx25840_write(client, 0x402, 0x04); | |
186 | /* 10. */ | |
187 | cx25840_write(client, 0x8d3, 0x1f); | |
188 | cx25840_write(client, 0x8e3, 0x03); | |
189 | ||
190 | cx25840_vbi_setup(client); | |
191 | ||
192 | /* trial and error says these are needed to get audio */ | |
193 | cx25840_write(client, 0x914, 0xa0); | |
194 | cx25840_write(client, 0x918, 0xa0); | |
195 | cx25840_write(client, 0x919, 0x01); | |
196 | ||
197 | /* stereo prefered */ | |
198 | cx25840_write(client, 0x809, 0x04); | |
199 | /* AC97 shift */ | |
200 | cx25840_write(client, 0x8cf, 0x0f); | |
201 | ||
202 | /* (re)set video input */ | |
203 | set_input(client, state->input); | |
204 | /* (re)set audio input */ | |
205 | cx25840_audio(client, AUDC_SET_INPUT, &state->audio_input); | |
206 | ||
207 | /* start microcontroller */ | |
208 | cx25840_and_or(client, 0x803, ~0x10, 0x10); | |
209 | } | |
210 | ||
211 | /* ----------------------------------------------------------------------- */ | |
212 | ||
213 | static void input_change(struct i2c_client *client) | |
214 | { | |
215 | v4l2_std_id std = cx25840_get_v4lstd(client); | |
216 | ||
217 | if (std & V4L2_STD_PAL) { | |
218 | /* Follow tuner change procedure for PAL */ | |
219 | cx25840_write(client, 0x808, 0xff); | |
220 | cx25840_write(client, 0x80b, 0x10); | |
221 | } else if (std & V4L2_STD_SECAM) { | |
222 | /* Select autodetect for SECAM */ | |
223 | cx25840_write(client, 0x808, 0xff); | |
224 | cx25840_write(client, 0x80b, 0x10); | |
225 | } else if (std & V4L2_STD_NTSC) { | |
226 | /* NTSC */ | |
227 | cx25840_write(client, 0x808, 0xf6); | |
228 | cx25840_write(client, 0x80b, 0x00); | |
229 | } | |
230 | ||
231 | if (cx25840_read(client, 0x803) & 0x10) { | |
232 | /* restart audio decoder microcontroller */ | |
233 | cx25840_and_or(client, 0x803, ~0x10, 0x00); | |
234 | cx25840_and_or(client, 0x803, ~0x10, 0x10); | |
235 | } | |
236 | } | |
237 | ||
238 | static int set_input(struct i2c_client *client, enum cx25840_input input) | |
239 | { | |
240 | struct cx25840_state *state = i2c_get_clientdata(client); | |
241 | ||
242 | cx25840_dbg("decoder set input (%d)\n", input); | |
243 | ||
244 | switch (input) { | |
245 | case CX25840_TUNER: | |
246 | cx25840_dbg("now setting Tuner input\n"); | |
247 | ||
248 | if (state->cardtype == CARDTYPE_PVR150) { | |
249 | /* CH_SEL_ADC2=1 */ | |
250 | cx25840_and_or(client, 0x102, ~0x2, 0x02); | |
251 | } | |
252 | ||
253 | /* Video Input Control */ | |
254 | if (state->cardtype == CARDTYPE_PG600) { | |
255 | cx25840_write(client, 0x103, 0x11); | |
256 | } else { | |
257 | cx25840_write(client, 0x103, 0x46); | |
258 | } | |
259 | ||
260 | /* INPUT_MODE=0 */ | |
261 | cx25840_and_or(client, 0x401, ~0x6, 0x00); | |
262 | break; | |
263 | ||
264 | case CX25840_COMPOSITE0: | |
265 | case CX25840_COMPOSITE1: | |
266 | cx25840_dbg("now setting Composite input\n"); | |
267 | ||
268 | /* Video Input Control */ | |
269 | if (state->cardtype == CARDTYPE_PG600) { | |
270 | cx25840_write(client, 0x103, 0x00); | |
271 | } else { | |
272 | cx25840_write(client, 0x103, 0x02); | |
273 | } | |
274 | ||
275 | /* INPUT_MODE=0 */ | |
276 | cx25840_and_or(client, 0x401, ~0x6, 0x00); | |
277 | break; | |
278 | ||
279 | case CX25840_SVIDEO0: | |
280 | case CX25840_SVIDEO1: | |
281 | cx25840_dbg("now setting S-Video input\n"); | |
282 | ||
283 | /* CH_SEL_ADC2=0 */ | |
284 | cx25840_and_or(client, 0x102, ~0x2, 0x00); | |
285 | ||
286 | /* Video Input Control */ | |
287 | if (state->cardtype == CARDTYPE_PG600) { | |
288 | cx25840_write(client, 0x103, 0x02); | |
289 | } else { | |
290 | cx25840_write(client, 0x103, 0x10); | |
291 | } | |
292 | ||
293 | /* INPUT_MODE=1 */ | |
294 | cx25840_and_or(client, 0x401, ~0x6, 0x02); | |
295 | break; | |
296 | ||
297 | default: | |
298 | cx25840_err("%d is not a valid input!\n", input); | |
299 | return -EINVAL; | |
300 | } | |
301 | ||
302 | state->input = input; | |
303 | input_change(client); | |
304 | return 0; | |
305 | } | |
306 | ||
307 | /* ----------------------------------------------------------------------- */ | |
308 | ||
309 | static int set_v4lstd(struct i2c_client *client, v4l2_std_id std) | |
310 | { | |
311 | u8 fmt; | |
312 | ||
313 | switch (std) { | |
314 | /* zero is autodetect */ | |
315 | case 0: fmt = 0x0; break; | |
316 | /* default ntsc to ntsc-m */ | |
317 | case V4L2_STD_NTSC: | |
318 | case V4L2_STD_NTSC_M: fmt = 0x1; break; | |
319 | case V4L2_STD_NTSC_M_JP: fmt = 0x2; break; | |
320 | case V4L2_STD_NTSC_443: fmt = 0x3; break; | |
321 | case V4L2_STD_PAL: fmt = 0x4; break; | |
322 | case V4L2_STD_PAL_M: fmt = 0x5; break; | |
323 | case V4L2_STD_PAL_N: fmt = 0x6; break; | |
324 | case V4L2_STD_PAL_Nc: fmt = 0x7; break; | |
325 | case V4L2_STD_PAL_60: fmt = 0x8; break; | |
326 | case V4L2_STD_SECAM: fmt = 0xc; break; | |
327 | default: | |
328 | return -ERANGE; | |
329 | } | |
330 | ||
331 | cx25840_and_or(client, 0x400, ~0xf, fmt); | |
332 | cx25840_vbi_setup(client); | |
333 | return 0; | |
334 | } | |
335 | ||
336 | v4l2_std_id cx25840_get_v4lstd(struct i2c_client * client) | |
337 | { | |
338 | /* check VID_FMT_SEL first */ | |
339 | u8 fmt = cx25840_read(client, 0x400) & 0xf; | |
340 | ||
341 | if (!fmt) { | |
342 | /* check AFD_FMT_STAT if set to autodetect */ | |
343 | fmt = cx25840_read(client, 0x40d) & 0xf; | |
344 | } | |
345 | ||
346 | switch (fmt) { | |
347 | case 0x1: return V4L2_STD_NTSC_M; | |
348 | case 0x2: return V4L2_STD_NTSC_M_JP; | |
349 | case 0x3: return V4L2_STD_NTSC_443; | |
350 | case 0x4: return V4L2_STD_PAL; | |
351 | case 0x5: return V4L2_STD_PAL_M; | |
352 | case 0x6: return V4L2_STD_PAL_N; | |
353 | case 0x7: return V4L2_STD_PAL_Nc; | |
354 | case 0x8: return V4L2_STD_PAL_60; | |
355 | case 0xc: return V4L2_STD_SECAM; | |
356 | default: return V4L2_STD_UNKNOWN; | |
357 | } | |
358 | } | |
359 | ||
360 | /* ----------------------------------------------------------------------- */ | |
361 | ||
362 | static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
363 | { | |
364 | struct cx25840_state *state = i2c_get_clientdata(client); | |
365 | ||
366 | switch (ctrl->id) { | |
367 | case CX25840_CID_CARDTYPE: | |
368 | switch (ctrl->value) { | |
369 | case CARDTYPE_PVR150: | |
370 | case CARDTYPE_PG600: | |
371 | state->cardtype = ctrl->value; | |
372 | break; | |
373 | default: | |
374 | return -ERANGE; | |
375 | } | |
376 | ||
377 | set_input(client, state->input); | |
378 | break; | |
379 | ||
380 | case V4L2_CID_BRIGHTNESS: | |
381 | if (ctrl->value < 0 || ctrl->value > 255) { | |
382 | cx25840_err("invalid brightness setting %d\n", | |
383 | ctrl->value); | |
384 | return -ERANGE; | |
385 | } | |
386 | ||
387 | cx25840_write(client, 0x414, ctrl->value - 128); | |
388 | break; | |
389 | ||
390 | case V4L2_CID_CONTRAST: | |
391 | if (ctrl->value < 0 || ctrl->value > 127) { | |
392 | cx25840_err("invalid contrast setting %d\n", | |
393 | ctrl->value); | |
394 | return -ERANGE; | |
395 | } | |
396 | ||
397 | cx25840_write(client, 0x415, ctrl->value << 1); | |
398 | break; | |
399 | ||
400 | case V4L2_CID_SATURATION: | |
401 | if (ctrl->value < 0 || ctrl->value > 127) { | |
402 | cx25840_err("invalid saturation setting %d\n", | |
403 | ctrl->value); | |
404 | return -ERANGE; | |
405 | } | |
406 | ||
407 | cx25840_write(client, 0x420, ctrl->value << 1); | |
408 | cx25840_write(client, 0x421, ctrl->value << 1); | |
409 | break; | |
410 | ||
411 | case V4L2_CID_HUE: | |
412 | if (ctrl->value < -127 || ctrl->value > 127) { | |
413 | cx25840_err("invalid hue setting %d\n", ctrl->value); | |
414 | return -ERANGE; | |
415 | } | |
416 | ||
417 | cx25840_write(client, 0x422, ctrl->value); | |
418 | break; | |
419 | ||
420 | case V4L2_CID_AUDIO_VOLUME: | |
421 | case V4L2_CID_AUDIO_BASS: | |
422 | case V4L2_CID_AUDIO_TREBLE: | |
423 | case V4L2_CID_AUDIO_BALANCE: | |
424 | case V4L2_CID_AUDIO_MUTE: | |
425 | return cx25840_audio(client, VIDIOC_S_CTRL, ctrl); | |
426 | } | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
431 | static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
432 | { | |
433 | struct cx25840_state *state = i2c_get_clientdata(client); | |
434 | ||
435 | switch (ctrl->id) { | |
436 | case CX25840_CID_CARDTYPE: | |
437 | ctrl->value = state->cardtype; | |
438 | break; | |
439 | case V4L2_CID_BRIGHTNESS: | |
440 | ctrl->value = cx25840_read(client, 0x414) + 128; | |
441 | break; | |
442 | case V4L2_CID_CONTRAST: | |
443 | ctrl->value = cx25840_read(client, 0x415) >> 1; | |
444 | break; | |
445 | case V4L2_CID_SATURATION: | |
446 | ctrl->value = cx25840_read(client, 0x420) >> 1; | |
447 | break; | |
448 | case V4L2_CID_HUE: | |
449 | ctrl->value = cx25840_read(client, 0x422); | |
450 | break; | |
451 | case V4L2_CID_AUDIO_VOLUME: | |
452 | case V4L2_CID_AUDIO_BASS: | |
453 | case V4L2_CID_AUDIO_TREBLE: | |
454 | case V4L2_CID_AUDIO_BALANCE: | |
455 | case V4L2_CID_AUDIO_MUTE: | |
456 | return cx25840_audio(client, VIDIOC_G_CTRL, ctrl); | |
457 | default: | |
458 | return -EINVAL; | |
459 | } | |
460 | ||
461 | return 0; | |
462 | } | |
463 | ||
464 | /* ----------------------------------------------------------------------- */ | |
465 | ||
466 | static int get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
467 | { | |
468 | switch (fmt->type) { | |
469 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
470 | return cx25840_vbi(client, VIDIOC_G_FMT, fmt); | |
471 | default: | |
472 | return -EINVAL; | |
473 | } | |
474 | ||
475 | return 0; | |
476 | } | |
477 | ||
478 | static int set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
479 | { | |
480 | struct v4l2_pix_format *pix; | |
481 | int HSC, VSC, Vsrc, Hsrc, filter, Vlines; | |
482 | int is_pal = !(cx25840_get_v4lstd(client) & V4L2_STD_NTSC); | |
483 | ||
484 | switch (fmt->type) { | |
485 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
486 | pix = &(fmt->fmt.pix); | |
487 | ||
488 | Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4; | |
489 | Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4; | |
490 | ||
491 | Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4; | |
492 | Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4; | |
493 | ||
494 | Vlines = pix->height + (is_pal ? 4 : 7); | |
495 | ||
496 | if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) || | |
497 | (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) { | |
498 | cx25840_err("%dx%d is not a valid size!\n", | |
499 | pix->width, pix->height); | |
500 | return -ERANGE; | |
501 | } | |
502 | ||
503 | HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20); | |
504 | VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9)); | |
505 | VSC &= 0x1fff; | |
506 | ||
507 | if (pix->width >= 385) | |
508 | filter = 0; | |
509 | else if (pix->width > 192) | |
510 | filter = 1; | |
511 | else if (pix->width > 96) | |
512 | filter = 2; | |
513 | else | |
514 | filter = 3; | |
515 | ||
516 | cx25840_dbg("decoder set size %dx%d -> scale %ux%u\n", | |
517 | pix->width, pix->height, HSC, VSC); | |
518 | ||
519 | /* HSCALE=HSC */ | |
520 | cx25840_write(client, 0x418, HSC & 0xff); | |
521 | cx25840_write(client, 0x419, (HSC >> 8) & 0xff); | |
522 | cx25840_write(client, 0x41a, HSC >> 16); | |
523 | /* VSCALE=VSC */ | |
524 | cx25840_write(client, 0x41c, VSC & 0xff); | |
525 | cx25840_write(client, 0x41d, VSC >> 8); | |
526 | /* VS_INTRLACE=1 VFILT=filter */ | |
527 | cx25840_write(client, 0x41e, 0x8 | filter); | |
528 | break; | |
529 | ||
530 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
531 | return cx25840_vbi(client, VIDIOC_S_FMT, fmt); | |
532 | ||
533 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
534 | return cx25840_vbi(client, VIDIOC_S_FMT, fmt); | |
535 | ||
536 | default: | |
537 | return -EINVAL; | |
538 | } | |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
543 | /* ----------------------------------------------------------------------- */ | |
544 | ||
545 | static int cx25840_command(struct i2c_client *client, unsigned int cmd, | |
546 | void *arg) | |
547 | { | |
548 | struct cx25840_state *state = i2c_get_clientdata(client); | |
549 | struct v4l2_tuner *vt = arg; | |
550 | int result = 0; | |
551 | ||
552 | switch (cmd) { | |
553 | case 0: | |
554 | break; | |
555 | ||
556 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
557 | /* ioctls to allow direct access to the | |
558 | * cx25840 registers for testing */ | |
559 | case VIDIOC_INT_G_REGISTER: | |
560 | { | |
561 | struct v4l2_register *reg = arg; | |
562 | ||
563 | if (reg->i2c_id != I2C_DRIVERID_CX25840) | |
564 | return -EINVAL; | |
565 | reg->val = cx25840_read(client, reg->reg & 0x0fff); | |
566 | break; | |
567 | } | |
568 | ||
569 | case VIDIOC_INT_S_REGISTER: | |
570 | { | |
571 | struct v4l2_register *reg = arg; | |
572 | ||
573 | if (reg->i2c_id != I2C_DRIVERID_CX25840) | |
574 | return -EINVAL; | |
575 | if (!capable(CAP_SYS_ADMIN)) | |
576 | return -EPERM; | |
577 | cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff); | |
578 | break; | |
579 | } | |
580 | #endif | |
581 | ||
582 | case VIDIOC_INT_DECODE_VBI_LINE: | |
583 | return cx25840_vbi(client, cmd, arg); | |
584 | ||
585 | case VIDIOC_INT_AUDIO_CLOCK_FREQ: | |
586 | case AUDC_SET_INPUT: | |
587 | result = cx25840_audio(client, cmd, arg); | |
588 | break; | |
589 | ||
590 | case VIDIOC_STREAMON: | |
591 | cx25840_dbg("enable output\n"); | |
592 | cx25840_write(client, 0x115, 0x8c); | |
593 | cx25840_write(client, 0x116, 0x07); | |
594 | break; | |
595 | ||
596 | case VIDIOC_STREAMOFF: | |
597 | cx25840_dbg("disable output\n"); | |
598 | cx25840_write(client, 0x115, 0x00); | |
599 | cx25840_write(client, 0x116, 0x00); | |
600 | break; | |
601 | ||
602 | case VIDIOC_LOG_STATUS: | |
603 | log_status(client); | |
604 | break; | |
605 | ||
606 | case VIDIOC_G_CTRL: | |
607 | result = get_v4lctrl(client, (struct v4l2_control *)arg); | |
608 | break; | |
609 | ||
610 | case VIDIOC_S_CTRL: | |
611 | result = set_v4lctrl(client, (struct v4l2_control *)arg); | |
612 | break; | |
613 | ||
614 | case VIDIOC_G_STD: | |
615 | *(v4l2_std_id *)arg = cx25840_get_v4lstd(client); | |
616 | break; | |
617 | ||
618 | case VIDIOC_S_STD: | |
619 | result = set_v4lstd(client, *(v4l2_std_id *)arg); | |
620 | break; | |
621 | ||
622 | case VIDIOC_G_INPUT: | |
623 | *(int *)arg = state->input; | |
624 | break; | |
625 | ||
626 | case VIDIOC_S_INPUT: | |
627 | result = set_input(client, *(int *)arg); | |
628 | break; | |
629 | ||
630 | case VIDIOC_S_FREQUENCY: | |
631 | input_change(client); | |
632 | break; | |
633 | ||
634 | case VIDIOC_G_TUNER: | |
635 | { | |
636 | u8 mode = cx25840_read(client, 0x804); | |
637 | u8 pref = cx25840_read(client, 0x809) & 0xf; | |
638 | u8 vpres = cx25840_read(client, 0x80a) & 0x10; | |
639 | int val = 0; | |
640 | ||
641 | vt->capability |= | |
642 | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | | |
643 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; | |
644 | ||
645 | vt->signal = vpres ? 0xffff : 0x0; | |
646 | ||
647 | /* get rxsubchans and audmode */ | |
648 | if ((mode & 0xf) == 1) | |
649 | val |= V4L2_TUNER_SUB_STEREO; | |
650 | else | |
651 | val |= V4L2_TUNER_SUB_MONO; | |
652 | ||
653 | if (mode == 2 || mode == 4) | |
654 | val |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
655 | ||
656 | if (mode & 0x10) | |
657 | val |= V4L2_TUNER_SUB_SAP; | |
658 | ||
659 | vt->rxsubchans = val; | |
660 | ||
661 | switch (pref) { | |
662 | case 0: | |
663 | vt->audmode = V4L2_TUNER_MODE_MONO; | |
664 | break; | |
665 | case 1: | |
666 | case 2: | |
667 | vt->audmode = V4L2_TUNER_MODE_LANG2; | |
668 | break; | |
669 | case 4: | |
670 | default: | |
671 | vt->audmode = V4L2_TUNER_MODE_STEREO; | |
672 | } | |
673 | break; | |
674 | } | |
675 | ||
676 | case VIDIOC_S_TUNER: | |
677 | switch (vt->audmode) { | |
678 | case V4L2_TUNER_MODE_MONO: | |
679 | case V4L2_TUNER_MODE_LANG1: | |
680 | /* Force PREF_MODE to MONO */ | |
681 | cx25840_and_or(client, 0x809, ~0xf, 0x00); | |
682 | break; | |
683 | case V4L2_TUNER_MODE_STEREO: | |
684 | /* Force PREF_MODE to STEREO */ | |
685 | cx25840_and_or(client, 0x809, ~0xf, 0x04); | |
686 | break; | |
687 | case V4L2_TUNER_MODE_LANG2: | |
688 | /* Force PREF_MODE to LANG2 */ | |
689 | cx25840_and_or(client, 0x809, ~0xf, 0x01); | |
690 | break; | |
691 | } | |
692 | break; | |
693 | ||
694 | case VIDIOC_G_FMT: | |
695 | result = get_v4lfmt(client, (struct v4l2_format *)arg); | |
696 | break; | |
697 | ||
698 | case VIDIOC_S_FMT: | |
699 | result = set_v4lfmt(client, (struct v4l2_format *)arg); | |
700 | break; | |
701 | ||
702 | case VIDIOC_INT_RESET: | |
703 | cx25840_initialize(client, 0); | |
704 | break; | |
705 | ||
706 | case VIDIOC_INT_G_CHIP_IDENT: | |
707 | *(enum v4l2_chip_ident *)arg = | |
708 | V4L2_IDENT_CX25840 + ((cx25840_read(client, 0x100) >> 4) & 0xf); | |
709 | break; | |
710 | ||
711 | default: | |
712 | cx25840_err("invalid ioctl %x\n", cmd); | |
713 | return -EINVAL; | |
714 | } | |
715 | ||
716 | return result; | |
717 | } | |
718 | ||
719 | /* ----------------------------------------------------------------------- */ | |
720 | ||
721 | struct i2c_driver i2c_driver_cx25840; | |
722 | ||
723 | static int cx25840_detect_client(struct i2c_adapter *adapter, int address, | |
724 | int kind) | |
725 | { | |
726 | struct i2c_client *client; | |
727 | struct cx25840_state *state; | |
728 | u16 device_id; | |
729 | ||
730 | /* Check if the adapter supports the needed features | |
731 | * Not until kernel version 2.6.11 did the bit-algo | |
732 | * correctly report that it would do an I2C-level xfer */ | |
733 | if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) | |
734 | return 0; | |
735 | ||
736 | client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
737 | if (client == 0) | |
738 | return -ENOMEM; | |
739 | ||
740 | memset(client, 0, sizeof(struct i2c_client)); | |
741 | client->addr = address; | |
742 | client->adapter = adapter; | |
743 | client->driver = &i2c_driver_cx25840; | |
744 | client->flags = I2C_CLIENT_ALLOW_USE; | |
745 | snprintf(client->name, sizeof(client->name) - 1, "cx25840"); | |
746 | ||
747 | cx25840_dbg("detecting cx25840 client on address 0x%x\n", address << 1); | |
748 | ||
749 | device_id = cx25840_read(client, 0x101) << 8; | |
750 | device_id |= cx25840_read(client, 0x100); | |
751 | ||
752 | /* The high byte of the device ID should be | |
753 | * 0x84 if chip is present */ | |
754 | if ((device_id & 0xff00) != 0x8400) { | |
755 | cx25840_dbg("cx25840 not found\n"); | |
756 | kfree(client); | |
757 | return 0; | |
758 | } | |
759 | ||
760 | cx25840_info("cx25%3x-2%x found @ 0x%x (%s)\n", | |
761 | (device_id & 0xfff0) >> 4, | |
762 | (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : 3, | |
763 | address << 1, adapter->name); | |
764 | ||
765 | state = kmalloc(sizeof(struct cx25840_state), GFP_KERNEL); | |
766 | if (state == NULL) { | |
767 | kfree(client); | |
768 | return -ENOMEM; | |
769 | } | |
770 | ||
771 | i2c_set_clientdata(client, state); | |
772 | memset(state, 0, sizeof(struct cx25840_state)); | |
773 | state->input = CX25840_TUNER; | |
774 | state->audclk_freq = V4L2_AUDCLK_48_KHZ; | |
775 | state->audio_input = AUDIO_TUNER; | |
776 | state->cardtype = CARDTYPE_PVR150; | |
777 | ||
778 | cx25840_initialize(client, 1); | |
779 | ||
780 | i2c_attach_client(client); | |
781 | ||
782 | return 0; | |
783 | } | |
784 | ||
785 | static int cx25840_attach_adapter(struct i2c_adapter *adapter) | |
786 | { | |
787 | #ifdef I2C_CLASS_TV_ANALOG | |
788 | if (adapter->class & I2C_CLASS_TV_ANALOG) | |
789 | #else | |
790 | if (adapter->id == I2C_HW_B_BT848) | |
791 | #endif | |
792 | return i2c_probe(adapter, &addr_data, &cx25840_detect_client); | |
793 | return 0; | |
794 | } | |
795 | ||
796 | static int cx25840_detach_client(struct i2c_client *client) | |
797 | { | |
798 | struct cx25840_state *state = i2c_get_clientdata(client); | |
799 | int err; | |
800 | ||
801 | err = i2c_detach_client(client); | |
802 | if (err) { | |
803 | return err; | |
804 | } | |
805 | ||
806 | kfree(state); | |
807 | kfree(client); | |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
812 | /* ----------------------------------------------------------------------- */ | |
813 | ||
814 | struct i2c_driver i2c_driver_cx25840 = { | |
815 | .name = "cx25840", | |
816 | ||
817 | .id = I2C_DRIVERID_CX25840, | |
818 | .flags = I2C_DF_NOTIFY, | |
819 | ||
820 | .attach_adapter = cx25840_attach_adapter, | |
821 | .detach_client = cx25840_detach_client, | |
822 | .command = cx25840_command, | |
823 | .owner = THIS_MODULE, | |
824 | }; | |
825 | ||
826 | ||
827 | static int __init m__init(void) | |
828 | { | |
829 | return i2c_add_driver(&i2c_driver_cx25840); | |
830 | } | |
831 | ||
832 | static void __exit m__exit(void) | |
833 | { | |
834 | i2c_del_driver(&i2c_driver_cx25840); | |
835 | } | |
836 | ||
837 | module_init(m__init); | |
838 | module_exit(m__exit); | |
839 | ||
840 | /* ----------------------------------------------------------------------- */ | |
841 | ||
842 | static void log_status(struct i2c_client *client) | |
843 | { | |
844 | static const char *const fmt_strs[] = { | |
845 | "0x0", | |
846 | "NTSC-M", "NTSC-J", "NTSC-4.43", | |
847 | "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60", | |
848 | "0x9", "0xA", "0xB", | |
849 | "SECAM", | |
850 | "0xD", "0xE", "0xF" | |
851 | }; | |
852 | ||
853 | struct cx25840_state *state = i2c_get_clientdata(client); | |
854 | u8 microctrl_vidfmt = cx25840_read(client, 0x80a); | |
855 | u8 vidfmt_sel = cx25840_read(client, 0x400) & 0xf; | |
856 | u8 gen_stat1 = cx25840_read(client, 0x40d); | |
857 | u8 download_ctl = cx25840_read(client, 0x803); | |
858 | u8 mod_det_stat0 = cx25840_read(client, 0x804); | |
859 | u8 mod_det_stat1 = cx25840_read(client, 0x805); | |
860 | u8 audio_config = cx25840_read(client, 0x808); | |
861 | u8 pref_mode = cx25840_read(client, 0x809); | |
862 | u8 afc0 = cx25840_read(client, 0x80b); | |
863 | u8 mute_ctl = cx25840_read(client, 0x8d3); | |
864 | char *p; | |
865 | ||
866 | cx25840_info("Video signal: %spresent\n", | |
867 | (microctrl_vidfmt & 0x10) ? "" : "not "); | |
868 | cx25840_info("Detected format: %s\n", | |
869 | fmt_strs[gen_stat1 & 0xf]); | |
870 | ||
871 | switch (mod_det_stat0) { | |
872 | case 0x00: p = "mono"; break; | |
873 | case 0x01: p = "stereo"; break; | |
874 | case 0x02: p = "dual"; break; | |
875 | case 0x04: p = "tri"; break; | |
876 | case 0x10: p = "mono with SAP"; break; | |
877 | case 0x11: p = "stereo with SAP"; break; | |
878 | case 0x12: p = "dual with SAP"; break; | |
879 | case 0x14: p = "tri with SAP"; break; | |
880 | case 0xfe: p = "forced mode"; break; | |
881 | default: p = "not defined"; | |
882 | } | |
883 | cx25840_info("Detected audio mode: %s\n", p); | |
884 | ||
885 | switch (mod_det_stat1) { | |
886 | case 0x00: p = "not defined"; break; | |
887 | case 0x01: p = "EIAJ"; break; | |
888 | case 0x02: p = "A2-M"; break; | |
889 | case 0x03: p = "A2-BG"; break; | |
890 | case 0x04: p = "A2-DK1"; break; | |
891 | case 0x05: p = "A2-DK2"; break; | |
892 | case 0x06: p = "A2-DK3"; break; | |
893 | case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; | |
894 | case 0x08: p = "AM-L"; break; | |
895 | case 0x09: p = "NICAM-BG"; break; | |
896 | case 0x0a: p = "NICAM-DK"; break; | |
897 | case 0x0b: p = "NICAM-I"; break; | |
898 | case 0x0c: p = "NICAM-L"; break; | |
899 | case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break; | |
900 | case 0x0e: p = "IF FM Radio"; break; | |
901 | case 0x0f: p = "BTSC"; break; | |
902 | case 0x10: p = "high-deviation FM"; break; | |
903 | case 0x11: p = "very high-deviation FM"; break; | |
904 | case 0xfd: p = "unknown audio standard"; break; | |
905 | case 0xfe: p = "forced audio standard"; break; | |
906 | case 0xff: p = "no detected audio standard"; break; | |
907 | default: p = "not defined"; | |
908 | } | |
909 | cx25840_info("Detected audio standard: %s\n", p); | |
910 | cx25840_info("Audio muted: %s\n", | |
911 | (mute_ctl & 0x2) ? "yes" : "no"); | |
912 | cx25840_info("Audio microcontroller: %s\n", | |
913 | (download_ctl & 0x10) ? "running" : "stopped"); | |
914 | ||
915 | switch (audio_config >> 4) { | |
916 | case 0x00: p = "undefined"; break; | |
917 | case 0x01: p = "BTSC"; break; | |
918 | case 0x02: p = "EIAJ"; break; | |
919 | case 0x03: p = "A2-M"; break; | |
920 | case 0x04: p = "A2-BG"; break; | |
921 | case 0x05: p = "A2-DK1"; break; | |
922 | case 0x06: p = "A2-DK2"; break; | |
923 | case 0x07: p = "A2-DK3"; break; | |
924 | case 0x08: p = "A1 (6.0 MHz FM Mono)"; break; | |
925 | case 0x09: p = "AM-L"; break; | |
926 | case 0x0a: p = "NICAM-BG"; break; | |
927 | case 0x0b: p = "NICAM-DK"; break; | |
928 | case 0x0c: p = "NICAM-I"; break; | |
929 | case 0x0d: p = "NICAM-L"; break; | |
930 | case 0x0e: p = "FM radio"; break; | |
931 | case 0x0f: p = "automatic detection"; break; | |
932 | default: p = "undefined"; | |
933 | } | |
934 | cx25840_info("Configured audio standard: %s\n", p); | |
935 | ||
936 | if ((audio_config >> 4) < 0xF) { | |
937 | switch (audio_config & 0xF) { | |
938 | case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break; | |
939 | case 0x01: p = "MONO2 (LANGUAGE B)"; break; | |
940 | case 0x02: p = "MONO3 (STEREO forced MONO)"; break; | |
941 | case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break; | |
942 | case 0x04: p = "STEREO"; break; | |
943 | case 0x05: p = "DUAL1 (AB)"; break; | |
944 | case 0x06: p = "DUAL2 (AC) (FM)"; break; | |
945 | case 0x07: p = "DUAL3 (BC) (FM)"; break; | |
946 | case 0x08: p = "DUAL4 (AC) (AM)"; break; | |
947 | case 0x09: p = "DUAL5 (BC) (AM)"; break; | |
948 | case 0x0a: p = "SAP"; break; | |
949 | default: p = "undefined"; | |
950 | } | |
951 | cx25840_info("Configured audio mode: %s\n", p); | |
952 | } else { | |
953 | switch (audio_config & 0xF) { | |
954 | case 0x00: p = "BG"; break; | |
955 | case 0x01: p = "DK1"; break; | |
956 | case 0x02: p = "DK2"; break; | |
957 | case 0x03: p = "DK3"; break; | |
958 | case 0x04: p = "I"; break; | |
959 | case 0x05: p = "L"; break; | |
960 | case 0x06: p = "BTSC"; break; | |
961 | case 0x07: p = "EIAJ"; break; | |
962 | case 0x08: p = "A2-M"; break; | |
963 | case 0x09: p = "FM Radio"; break; | |
964 | case 0x0f: p = "automatic standard and mode detection"; break; | |
965 | default: p = "undefined"; | |
966 | } | |
967 | cx25840_info("Configured audio system: %s\n", p); | |
968 | } | |
969 | ||
970 | cx25840_info("Specified standard: %s\n", | |
971 | vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection"); | |
972 | ||
973 | switch (state->input) { | |
974 | case CX25840_COMPOSITE0: p = "Composite 0"; break; | |
975 | case CX25840_COMPOSITE1: p = "Composite 1"; break; | |
976 | case CX25840_SVIDEO0: p = "S-Video 0"; break; | |
977 | case CX25840_SVIDEO1: p = "S-Video 1"; break; | |
978 | case CX25840_TUNER: p = "Tuner"; break; | |
979 | } | |
980 | cx25840_info("Specified input: %s\n", p); | |
981 | cx25840_info("Specified audio input: %s\n", | |
982 | state->audio_input == 0 ? "Tuner" : "External"); | |
983 | ||
984 | switch (state->audclk_freq) { | |
985 | case V4L2_AUDCLK_441_KHZ: p = "44.1 kHz"; break; | |
986 | case V4L2_AUDCLK_48_KHZ: p = "48 kHz"; break; | |
987 | case V4L2_AUDCLK_32_KHZ: p = "32 kHz"; break; | |
988 | default: p = "undefined"; | |
989 | } | |
990 | cx25840_info("Specified audioclock freq: %s\n", p); | |
991 | ||
992 | switch (pref_mode & 0xf) { | |
993 | case 0: p = "mono/language A"; break; | |
994 | case 1: p = "language B"; break; | |
995 | case 2: p = "language C"; break; | |
996 | case 3: p = "analog fallback"; break; | |
997 | case 4: p = "stereo"; break; | |
998 | case 5: p = "language AC"; break; | |
999 | case 6: p = "language BC"; break; | |
1000 | case 7: p = "language AB"; break; | |
1001 | default: p = "undefined"; | |
1002 | } | |
1003 | cx25840_info("Preferred audio mode: %s\n", p); | |
1004 | ||
1005 | if ((audio_config & 0xf) == 0xf) { | |
1006 | switch ((afc0 >> 3) & 0x3) { | |
1007 | case 0: p = "system DK"; break; | |
1008 | case 1: p = "system L"; break; | |
1009 | case 2: p = "autodetect"; break; | |
1010 | default: p = "undefined"; | |
1011 | } | |
1012 | cx25840_info("Selected 65 MHz format: %s\n", p); | |
1013 | ||
1014 | switch (afc0 & 0x7) { | |
1015 | case 0: p = "chroma"; break; | |
1016 | case 1: p = "BTSC"; break; | |
1017 | case 2: p = "EIAJ"; break; | |
1018 | case 3: p = "A2-M"; break; | |
1019 | case 4: p = "autodetect"; break; | |
1020 | default: p = "undefined"; | |
1021 | } | |
1022 | cx25840_info("Selected 45 MHz format: %s\n", p); | |
1023 | } | |
1024 | } |