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bd985160 HV |
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> | |
bd985160 HV |
35 | #include <media/v4l2-common.h> |
36 | ||
37 | #include "cx25840.h" | |
38 | ||
39 | MODULE_DESCRIPTION("Conexant CX25840 audio/video decoder driver"); | |
1f4b3365 | 40 | MODULE_AUTHOR("Ulf Eklund, Chris Kennedy, Hans Verkuil, Tyler Trafford"); |
bd985160 HV |
41 | MODULE_LICENSE("GPL"); |
42 | ||
43 | static unsigned short normal_i2c[] = { 0x88 >> 1, I2C_CLIENT_END }; | |
44 | ||
45 | ||
46 | int cx25840_debug = 0; | |
47 | ||
48 | module_param(cx25840_debug, bool, 0644); | |
49 | ||
50 | MODULE_PARM_DESC(cx25840_debug, "Debugging messages [0=Off (default) 1=On]"); | |
51 | ||
52 | I2C_CLIENT_INSMOD; | |
53 | ||
54 | /* ----------------------------------------------------------------------- */ | |
55 | ||
56 | int cx25840_write(struct i2c_client *client, u16 addr, u8 value) | |
57 | { | |
58 | u8 buffer[3]; | |
59 | buffer[0] = addr >> 8; | |
60 | buffer[1] = addr & 0xff; | |
61 | buffer[2] = value; | |
62 | return i2c_master_send(client, buffer, 3); | |
63 | } | |
64 | ||
65 | int cx25840_write4(struct i2c_client *client, u16 addr, u32 value) | |
66 | { | |
67 | u8 buffer[6]; | |
68 | buffer[0] = addr >> 8; | |
69 | buffer[1] = addr & 0xff; | |
70 | buffer[2] = value >> 24; | |
71 | buffer[3] = (value >> 16) & 0xff; | |
72 | buffer[4] = (value >> 8) & 0xff; | |
73 | buffer[5] = value & 0xff; | |
74 | return i2c_master_send(client, buffer, 6); | |
75 | } | |
76 | ||
77 | u8 cx25840_read(struct i2c_client * client, u16 addr) | |
78 | { | |
79 | u8 buffer[2]; | |
80 | buffer[0] = addr >> 8; | |
81 | buffer[1] = addr & 0xff; | |
82 | ||
83 | if (i2c_master_send(client, buffer, 2) < 2) | |
84 | return 0; | |
85 | ||
86 | if (i2c_master_recv(client, buffer, 1) < 1) | |
87 | return 0; | |
88 | ||
89 | return buffer[0]; | |
90 | } | |
91 | ||
92 | u32 cx25840_read4(struct i2c_client * client, u16 addr) | |
93 | { | |
94 | u8 buffer[4]; | |
95 | buffer[0] = addr >> 8; | |
96 | buffer[1] = addr & 0xff; | |
97 | ||
98 | if (i2c_master_send(client, buffer, 2) < 2) | |
99 | return 0; | |
100 | ||
101 | if (i2c_master_recv(client, buffer, 4) < 4) | |
102 | return 0; | |
103 | ||
104 | return (buffer[0] << 24) | (buffer[1] << 16) | | |
105 | (buffer[2] << 8) | buffer[3]; | |
106 | } | |
107 | ||
108 | int cx25840_and_or(struct i2c_client *client, u16 addr, u8 and_mask, | |
109 | u8 or_value) | |
110 | { | |
111 | return cx25840_write(client, addr, | |
112 | (cx25840_read(client, addr) & and_mask) | | |
113 | or_value); | |
114 | } | |
115 | ||
116 | /* ----------------------------------------------------------------------- */ | |
117 | ||
118 | static int set_input(struct i2c_client *, enum cx25840_input); | |
119 | static void input_change(struct i2c_client *); | |
120 | static void log_status(struct i2c_client *client); | |
121 | ||
122 | /* ----------------------------------------------------------------------- */ | |
123 | ||
124 | static inline void init_dll1(struct i2c_client *client) | |
125 | { | |
126 | /* This is the Hauppauge sequence used to | |
127 | * initialize the Delay Lock Loop 1 (ADC DLL). */ | |
128 | cx25840_write(client, 0x159, 0x23); | |
129 | cx25840_write(client, 0x15a, 0x87); | |
130 | cx25840_write(client, 0x15b, 0x06); | |
131 | cx25840_write(client, 0x159, 0xe1); | |
132 | cx25840_write(client, 0x15a, 0x86); | |
133 | cx25840_write(client, 0x159, 0xe0); | |
134 | cx25840_write(client, 0x159, 0xe1); | |
135 | cx25840_write(client, 0x15b, 0x10); | |
136 | } | |
137 | ||
138 | static inline void init_dll2(struct i2c_client *client) | |
139 | { | |
140 | /* This is the Hauppauge sequence used to | |
141 | * initialize the Delay Lock Loop 2 (ADC DLL). */ | |
142 | cx25840_write(client, 0x15d, 0xe3); | |
143 | cx25840_write(client, 0x15e, 0x86); | |
144 | cx25840_write(client, 0x15f, 0x06); | |
145 | cx25840_write(client, 0x15d, 0xe1); | |
146 | cx25840_write(client, 0x15d, 0xe0); | |
147 | cx25840_write(client, 0x15d, 0xe1); | |
148 | } | |
149 | ||
150 | static void cx25840_initialize(struct i2c_client *client, int loadfw) | |
151 | { | |
152 | struct cx25840_state *state = i2c_get_clientdata(client); | |
153 | ||
154 | /* datasheet startup in numbered steps, refer to page 3-77 */ | |
155 | /* 2. */ | |
156 | cx25840_and_or(client, 0x803, ~0x10, 0x00); | |
157 | /* The default of this register should be 4, but I get 0 instead. | |
158 | * Set this register to 4 manually. */ | |
159 | cx25840_write(client, 0x000, 0x04); | |
160 | /* 3. */ | |
161 | init_dll1(client); | |
162 | init_dll2(client); | |
163 | cx25840_write(client, 0x136, 0x0a); | |
164 | /* 4. */ | |
165 | cx25840_write(client, 0x13c, 0x01); | |
166 | cx25840_write(client, 0x13c, 0x00); | |
167 | /* 5. */ | |
168 | if (loadfw) | |
169 | cx25840_loadfw(client); | |
170 | /* 6. */ | |
171 | cx25840_write(client, 0x115, 0x8c); | |
172 | cx25840_write(client, 0x116, 0x07); | |
173 | cx25840_write(client, 0x118, 0x02); | |
174 | /* 7. */ | |
175 | cx25840_write(client, 0x4a5, 0x80); | |
176 | cx25840_write(client, 0x4a5, 0x00); | |
177 | cx25840_write(client, 0x402, 0x00); | |
178 | /* 8. */ | |
179 | cx25840_write(client, 0x401, 0x18); | |
180 | cx25840_write(client, 0x4a2, 0x10); | |
181 | cx25840_write(client, 0x402, 0x04); | |
182 | /* 10. */ | |
183 | cx25840_write(client, 0x8d3, 0x1f); | |
184 | cx25840_write(client, 0x8e3, 0x03); | |
185 | ||
186 | cx25840_vbi_setup(client); | |
187 | ||
188 | /* trial and error says these are needed to get audio */ | |
189 | cx25840_write(client, 0x914, 0xa0); | |
190 | cx25840_write(client, 0x918, 0xa0); | |
191 | cx25840_write(client, 0x919, 0x01); | |
192 | ||
193 | /* stereo prefered */ | |
194 | cx25840_write(client, 0x809, 0x04); | |
195 | /* AC97 shift */ | |
196 | cx25840_write(client, 0x8cf, 0x0f); | |
197 | ||
198 | /* (re)set video input */ | |
199 | set_input(client, state->input); | |
200 | /* (re)set audio input */ | |
201 | cx25840_audio(client, AUDC_SET_INPUT, &state->audio_input); | |
202 | ||
203 | /* start microcontroller */ | |
204 | cx25840_and_or(client, 0x803, ~0x10, 0x10); | |
205 | } | |
206 | ||
207 | /* ----------------------------------------------------------------------- */ | |
208 | ||
209 | static void input_change(struct i2c_client *client) | |
210 | { | |
f95006f8 | 211 | struct cx25840_state *state = i2c_get_clientdata(client); |
bd985160 HV |
212 | v4l2_std_id std = cx25840_get_v4lstd(client); |
213 | ||
f95006f8 HV |
214 | /* Note: perhaps V4L2_STD_PAL_M should be handled as V4L2_STD_NTSC |
215 | instead of V4L2_STD_PAL. Someone needs to test this. */ | |
bd985160 HV |
216 | if (std & V4L2_STD_PAL) { |
217 | /* Follow tuner change procedure for PAL */ | |
218 | cx25840_write(client, 0x808, 0xff); | |
219 | cx25840_write(client, 0x80b, 0x10); | |
220 | } else if (std & V4L2_STD_SECAM) { | |
221 | /* Select autodetect for SECAM */ | |
222 | cx25840_write(client, 0x808, 0xff); | |
223 | cx25840_write(client, 0x80b, 0x10); | |
224 | } else if (std & V4L2_STD_NTSC) { | |
225 | /* NTSC */ | |
f95006f8 HV |
226 | if (state->cardtype == CARDTYPE_PVR150_WORKAROUND) { |
227 | /* Certain Hauppauge PVR150 models have a hardware bug | |
228 | that causes audio to drop out. For these models the | |
229 | audio standard must be set explicitly. | |
230 | To be precise: it affects cards with tuner models | |
231 | 85, 99 and 112 (model numbers from tveeprom). */ | |
232 | if (std == V4L2_STD_NTSC_M_JP) { | |
233 | /* Japan uses EIAJ audio standard */ | |
234 | cx25840_write(client, 0x808, 0x2f); | |
235 | } else { | |
236 | /* Others use the BTSC audio standard */ | |
237 | cx25840_write(client, 0x808, 0x1f); | |
238 | } | |
239 | /* South Korea uses the A2-M (aka Zweiton M) audio | |
240 | standard, and should set 0x808 to 0x3f, but I don't | |
241 | know how to detect this. */ | |
242 | } else if (std == V4L2_STD_NTSC_M_JP) { | |
243 | /* Japan uses EIAJ audio standard */ | |
244 | cx25840_write(client, 0x808, 0xf7); | |
245 | } else { | |
246 | /* Others use the BTSC audio standard */ | |
247 | cx25840_write(client, 0x808, 0xf6); | |
248 | } | |
249 | /* South Korea uses the A2-M (aka Zweiton M) audio standard, | |
250 | and should set 0x808 to 0xf8, but I don't know how to | |
251 | detect this. */ | |
bd985160 HV |
252 | cx25840_write(client, 0x80b, 0x00); |
253 | } | |
254 | ||
255 | if (cx25840_read(client, 0x803) & 0x10) { | |
256 | /* restart audio decoder microcontroller */ | |
257 | cx25840_and_or(client, 0x803, ~0x10, 0x00); | |
258 | cx25840_and_or(client, 0x803, ~0x10, 0x10); | |
259 | } | |
260 | } | |
261 | ||
262 | static int set_input(struct i2c_client *client, enum cx25840_input input) | |
263 | { | |
264 | struct cx25840_state *state = i2c_get_clientdata(client); | |
265 | ||
266 | cx25840_dbg("decoder set input (%d)\n", input); | |
267 | ||
268 | switch (input) { | |
269 | case CX25840_TUNER: | |
270 | cx25840_dbg("now setting Tuner input\n"); | |
271 | ||
f95006f8 HV |
272 | if (state->cardtype == CARDTYPE_PVR150 || |
273 | state->cardtype == CARDTYPE_PVR150_WORKAROUND) { | |
bd985160 HV |
274 | /* CH_SEL_ADC2=1 */ |
275 | cx25840_and_or(client, 0x102, ~0x2, 0x02); | |
276 | } | |
277 | ||
278 | /* Video Input Control */ | |
279 | if (state->cardtype == CARDTYPE_PG600) { | |
280 | cx25840_write(client, 0x103, 0x11); | |
281 | } else { | |
282 | cx25840_write(client, 0x103, 0x46); | |
283 | } | |
284 | ||
285 | /* INPUT_MODE=0 */ | |
286 | cx25840_and_or(client, 0x401, ~0x6, 0x00); | |
287 | break; | |
288 | ||
289 | case CX25840_COMPOSITE0: | |
290 | case CX25840_COMPOSITE1: | |
291 | cx25840_dbg("now setting Composite input\n"); | |
292 | ||
293 | /* Video Input Control */ | |
294 | if (state->cardtype == CARDTYPE_PG600) { | |
295 | cx25840_write(client, 0x103, 0x00); | |
296 | } else { | |
297 | cx25840_write(client, 0x103, 0x02); | |
298 | } | |
299 | ||
300 | /* INPUT_MODE=0 */ | |
301 | cx25840_and_or(client, 0x401, ~0x6, 0x00); | |
302 | break; | |
303 | ||
304 | case CX25840_SVIDEO0: | |
305 | case CX25840_SVIDEO1: | |
306 | cx25840_dbg("now setting S-Video input\n"); | |
307 | ||
308 | /* CH_SEL_ADC2=0 */ | |
309 | cx25840_and_or(client, 0x102, ~0x2, 0x00); | |
310 | ||
311 | /* Video Input Control */ | |
312 | if (state->cardtype == CARDTYPE_PG600) { | |
313 | cx25840_write(client, 0x103, 0x02); | |
314 | } else { | |
315 | cx25840_write(client, 0x103, 0x10); | |
316 | } | |
317 | ||
318 | /* INPUT_MODE=1 */ | |
319 | cx25840_and_or(client, 0x401, ~0x6, 0x02); | |
320 | break; | |
321 | ||
322 | default: | |
323 | cx25840_err("%d is not a valid input!\n", input); | |
324 | return -EINVAL; | |
325 | } | |
326 | ||
327 | state->input = input; | |
328 | input_change(client); | |
329 | return 0; | |
330 | } | |
331 | ||
332 | /* ----------------------------------------------------------------------- */ | |
333 | ||
334 | static int set_v4lstd(struct i2c_client *client, v4l2_std_id std) | |
335 | { | |
468a0a54 MCC |
336 | u8 fmt=0; /* zero is autodetect */ |
337 | ||
338 | /* First tests should be against specific std */ | |
339 | if (std & V4L2_STD_NTSC_M_JP) { | |
340 | fmt=0x2; | |
341 | } else if (std & V4L2_STD_NTSC_443) { | |
342 | fmt=0x3; | |
343 | } else if (std & V4L2_STD_PAL_M) { | |
344 | fmt=0x5; | |
345 | } else if (std & V4L2_STD_PAL_N) { | |
346 | fmt=0x6; | |
347 | } else if (std & V4L2_STD_PAL_Nc) { | |
348 | fmt=0x7; | |
349 | } else if (std & V4L2_STD_PAL_60) { | |
350 | fmt=0x8; | |
351 | } else { | |
352 | /* Then, test against generic ones */ | |
353 | if (std & V4L2_STD_NTSC) { | |
354 | fmt=0x1; | |
355 | } else if (std & V4L2_STD_PAL) { | |
356 | fmt=0x4; | |
357 | } else if (std & V4L2_STD_SECAM) { | |
358 | fmt=0xc; | |
359 | } | |
bd985160 HV |
360 | } |
361 | ||
362 | cx25840_and_or(client, 0x400, ~0xf, fmt); | |
363 | cx25840_vbi_setup(client); | |
364 | return 0; | |
365 | } | |
366 | ||
367 | v4l2_std_id cx25840_get_v4lstd(struct i2c_client * client) | |
368 | { | |
369 | /* check VID_FMT_SEL first */ | |
370 | u8 fmt = cx25840_read(client, 0x400) & 0xf; | |
371 | ||
372 | if (!fmt) { | |
373 | /* check AFD_FMT_STAT if set to autodetect */ | |
374 | fmt = cx25840_read(client, 0x40d) & 0xf; | |
375 | } | |
376 | ||
377 | switch (fmt) { | |
378 | case 0x1: return V4L2_STD_NTSC_M; | |
379 | case 0x2: return V4L2_STD_NTSC_M_JP; | |
380 | case 0x3: return V4L2_STD_NTSC_443; | |
381 | case 0x4: return V4L2_STD_PAL; | |
382 | case 0x5: return V4L2_STD_PAL_M; | |
383 | case 0x6: return V4L2_STD_PAL_N; | |
384 | case 0x7: return V4L2_STD_PAL_Nc; | |
385 | case 0x8: return V4L2_STD_PAL_60; | |
386 | case 0xc: return V4L2_STD_SECAM; | |
387 | default: return V4L2_STD_UNKNOWN; | |
388 | } | |
389 | } | |
390 | ||
391 | /* ----------------------------------------------------------------------- */ | |
392 | ||
393 | static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
394 | { | |
395 | struct cx25840_state *state = i2c_get_clientdata(client); | |
396 | ||
397 | switch (ctrl->id) { | |
398 | case CX25840_CID_CARDTYPE: | |
399 | switch (ctrl->value) { | |
400 | case CARDTYPE_PVR150: | |
f95006f8 | 401 | case CARDTYPE_PVR150_WORKAROUND: |
bd985160 HV |
402 | case CARDTYPE_PG600: |
403 | state->cardtype = ctrl->value; | |
404 | break; | |
405 | default: | |
406 | return -ERANGE; | |
407 | } | |
408 | ||
409 | set_input(client, state->input); | |
410 | break; | |
411 | ||
412 | case V4L2_CID_BRIGHTNESS: | |
413 | if (ctrl->value < 0 || ctrl->value > 255) { | |
414 | cx25840_err("invalid brightness setting %d\n", | |
415 | ctrl->value); | |
416 | return -ERANGE; | |
417 | } | |
418 | ||
419 | cx25840_write(client, 0x414, ctrl->value - 128); | |
420 | break; | |
421 | ||
422 | case V4L2_CID_CONTRAST: | |
423 | if (ctrl->value < 0 || ctrl->value > 127) { | |
424 | cx25840_err("invalid contrast setting %d\n", | |
425 | ctrl->value); | |
426 | return -ERANGE; | |
427 | } | |
428 | ||
429 | cx25840_write(client, 0x415, ctrl->value << 1); | |
430 | break; | |
431 | ||
432 | case V4L2_CID_SATURATION: | |
433 | if (ctrl->value < 0 || ctrl->value > 127) { | |
434 | cx25840_err("invalid saturation setting %d\n", | |
435 | ctrl->value); | |
436 | return -ERANGE; | |
437 | } | |
438 | ||
439 | cx25840_write(client, 0x420, ctrl->value << 1); | |
440 | cx25840_write(client, 0x421, ctrl->value << 1); | |
441 | break; | |
442 | ||
443 | case V4L2_CID_HUE: | |
444 | if (ctrl->value < -127 || ctrl->value > 127) { | |
445 | cx25840_err("invalid hue setting %d\n", ctrl->value); | |
446 | return -ERANGE; | |
447 | } | |
448 | ||
449 | cx25840_write(client, 0x422, ctrl->value); | |
450 | break; | |
451 | ||
452 | case V4L2_CID_AUDIO_VOLUME: | |
453 | case V4L2_CID_AUDIO_BASS: | |
454 | case V4L2_CID_AUDIO_TREBLE: | |
455 | case V4L2_CID_AUDIO_BALANCE: | |
456 | case V4L2_CID_AUDIO_MUTE: | |
457 | return cx25840_audio(client, VIDIOC_S_CTRL, ctrl); | |
458 | } | |
459 | ||
460 | return 0; | |
461 | } | |
462 | ||
463 | static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl) | |
464 | { | |
465 | struct cx25840_state *state = i2c_get_clientdata(client); | |
466 | ||
467 | switch (ctrl->id) { | |
468 | case CX25840_CID_CARDTYPE: | |
469 | ctrl->value = state->cardtype; | |
470 | break; | |
471 | case V4L2_CID_BRIGHTNESS: | |
472 | ctrl->value = cx25840_read(client, 0x414) + 128; | |
473 | break; | |
474 | case V4L2_CID_CONTRAST: | |
475 | ctrl->value = cx25840_read(client, 0x415) >> 1; | |
476 | break; | |
477 | case V4L2_CID_SATURATION: | |
478 | ctrl->value = cx25840_read(client, 0x420) >> 1; | |
479 | break; | |
480 | case V4L2_CID_HUE: | |
481 | ctrl->value = cx25840_read(client, 0x422); | |
482 | break; | |
483 | case V4L2_CID_AUDIO_VOLUME: | |
484 | case V4L2_CID_AUDIO_BASS: | |
485 | case V4L2_CID_AUDIO_TREBLE: | |
486 | case V4L2_CID_AUDIO_BALANCE: | |
487 | case V4L2_CID_AUDIO_MUTE: | |
488 | return cx25840_audio(client, VIDIOC_G_CTRL, ctrl); | |
489 | default: | |
490 | return -EINVAL; | |
491 | } | |
492 | ||
493 | return 0; | |
494 | } | |
495 | ||
496 | /* ----------------------------------------------------------------------- */ | |
497 | ||
498 | static int get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
499 | { | |
500 | switch (fmt->type) { | |
501 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
502 | return cx25840_vbi(client, VIDIOC_G_FMT, fmt); | |
503 | default: | |
504 | return -EINVAL; | |
505 | } | |
506 | ||
507 | return 0; | |
508 | } | |
509 | ||
510 | static int set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt) | |
511 | { | |
512 | struct v4l2_pix_format *pix; | |
513 | int HSC, VSC, Vsrc, Hsrc, filter, Vlines; | |
514 | int is_pal = !(cx25840_get_v4lstd(client) & V4L2_STD_NTSC); | |
515 | ||
516 | switch (fmt->type) { | |
517 | case V4L2_BUF_TYPE_VIDEO_CAPTURE: | |
518 | pix = &(fmt->fmt.pix); | |
519 | ||
520 | Vsrc = (cx25840_read(client, 0x476) & 0x3f) << 4; | |
521 | Vsrc |= (cx25840_read(client, 0x475) & 0xf0) >> 4; | |
522 | ||
523 | Hsrc = (cx25840_read(client, 0x472) & 0x3f) << 4; | |
524 | Hsrc |= (cx25840_read(client, 0x471) & 0xf0) >> 4; | |
525 | ||
526 | Vlines = pix->height + (is_pal ? 4 : 7); | |
527 | ||
528 | if ((pix->width * 16 < Hsrc) || (Hsrc < pix->width) || | |
529 | (Vlines * 8 < Vsrc) || (Vsrc < Vlines)) { | |
530 | cx25840_err("%dx%d is not a valid size!\n", | |
531 | pix->width, pix->height); | |
532 | return -ERANGE; | |
533 | } | |
534 | ||
535 | HSC = (Hsrc * (1 << 20)) / pix->width - (1 << 20); | |
536 | VSC = (1 << 16) - (Vsrc * (1 << 9) / Vlines - (1 << 9)); | |
537 | VSC &= 0x1fff; | |
538 | ||
539 | if (pix->width >= 385) | |
540 | filter = 0; | |
541 | else if (pix->width > 192) | |
542 | filter = 1; | |
543 | else if (pix->width > 96) | |
544 | filter = 2; | |
545 | else | |
546 | filter = 3; | |
547 | ||
548 | cx25840_dbg("decoder set size %dx%d -> scale %ux%u\n", | |
549 | pix->width, pix->height, HSC, VSC); | |
550 | ||
551 | /* HSCALE=HSC */ | |
552 | cx25840_write(client, 0x418, HSC & 0xff); | |
553 | cx25840_write(client, 0x419, (HSC >> 8) & 0xff); | |
554 | cx25840_write(client, 0x41a, HSC >> 16); | |
555 | /* VSCALE=VSC */ | |
556 | cx25840_write(client, 0x41c, VSC & 0xff); | |
557 | cx25840_write(client, 0x41d, VSC >> 8); | |
558 | /* VS_INTRLACE=1 VFILT=filter */ | |
559 | cx25840_write(client, 0x41e, 0x8 | filter); | |
560 | break; | |
561 | ||
562 | case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE: | |
563 | return cx25840_vbi(client, VIDIOC_S_FMT, fmt); | |
564 | ||
565 | case V4L2_BUF_TYPE_VBI_CAPTURE: | |
566 | return cx25840_vbi(client, VIDIOC_S_FMT, fmt); | |
567 | ||
568 | default: | |
569 | return -EINVAL; | |
570 | } | |
571 | ||
572 | return 0; | |
573 | } | |
574 | ||
575 | /* ----------------------------------------------------------------------- */ | |
576 | ||
577 | static int cx25840_command(struct i2c_client *client, unsigned int cmd, | |
578 | void *arg) | |
579 | { | |
580 | struct cx25840_state *state = i2c_get_clientdata(client); | |
581 | struct v4l2_tuner *vt = arg; | |
582 | int result = 0; | |
583 | ||
584 | switch (cmd) { | |
585 | case 0: | |
586 | break; | |
587 | ||
588 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
589 | /* ioctls to allow direct access to the | |
590 | * cx25840 registers for testing */ | |
591 | case VIDIOC_INT_G_REGISTER: | |
592 | { | |
593 | struct v4l2_register *reg = arg; | |
594 | ||
595 | if (reg->i2c_id != I2C_DRIVERID_CX25840) | |
596 | return -EINVAL; | |
597 | reg->val = cx25840_read(client, reg->reg & 0x0fff); | |
598 | break; | |
599 | } | |
600 | ||
601 | case VIDIOC_INT_S_REGISTER: | |
602 | { | |
603 | struct v4l2_register *reg = arg; | |
604 | ||
605 | if (reg->i2c_id != I2C_DRIVERID_CX25840) | |
606 | return -EINVAL; | |
607 | if (!capable(CAP_SYS_ADMIN)) | |
608 | return -EPERM; | |
609 | cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff); | |
610 | break; | |
611 | } | |
612 | #endif | |
613 | ||
614 | case VIDIOC_INT_DECODE_VBI_LINE: | |
615 | return cx25840_vbi(client, cmd, arg); | |
616 | ||
617 | case VIDIOC_INT_AUDIO_CLOCK_FREQ: | |
618 | case AUDC_SET_INPUT: | |
619 | result = cx25840_audio(client, cmd, arg); | |
620 | break; | |
621 | ||
622 | case VIDIOC_STREAMON: | |
623 | cx25840_dbg("enable output\n"); | |
624 | cx25840_write(client, 0x115, 0x8c); | |
625 | cx25840_write(client, 0x116, 0x07); | |
626 | break; | |
627 | ||
628 | case VIDIOC_STREAMOFF: | |
629 | cx25840_dbg("disable output\n"); | |
630 | cx25840_write(client, 0x115, 0x00); | |
631 | cx25840_write(client, 0x116, 0x00); | |
632 | break; | |
633 | ||
634 | case VIDIOC_LOG_STATUS: | |
635 | log_status(client); | |
636 | break; | |
637 | ||
638 | case VIDIOC_G_CTRL: | |
639 | result = get_v4lctrl(client, (struct v4l2_control *)arg); | |
640 | break; | |
641 | ||
642 | case VIDIOC_S_CTRL: | |
643 | result = set_v4lctrl(client, (struct v4l2_control *)arg); | |
644 | break; | |
645 | ||
646 | case VIDIOC_G_STD: | |
647 | *(v4l2_std_id *)arg = cx25840_get_v4lstd(client); | |
648 | break; | |
649 | ||
650 | case VIDIOC_S_STD: | |
651 | result = set_v4lstd(client, *(v4l2_std_id *)arg); | |
652 | break; | |
653 | ||
654 | case VIDIOC_G_INPUT: | |
655 | *(int *)arg = state->input; | |
656 | break; | |
657 | ||
658 | case VIDIOC_S_INPUT: | |
659 | result = set_input(client, *(int *)arg); | |
660 | break; | |
661 | ||
662 | case VIDIOC_S_FREQUENCY: | |
663 | input_change(client); | |
664 | break; | |
665 | ||
666 | case VIDIOC_G_TUNER: | |
667 | { | |
668 | u8 mode = cx25840_read(client, 0x804); | |
669 | u8 pref = cx25840_read(client, 0x809) & 0xf; | |
670 | u8 vpres = cx25840_read(client, 0x80a) & 0x10; | |
671 | int val = 0; | |
672 | ||
673 | vt->capability |= | |
674 | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | | |
675 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; | |
676 | ||
677 | vt->signal = vpres ? 0xffff : 0x0; | |
678 | ||
679 | /* get rxsubchans and audmode */ | |
680 | if ((mode & 0xf) == 1) | |
681 | val |= V4L2_TUNER_SUB_STEREO; | |
682 | else | |
683 | val |= V4L2_TUNER_SUB_MONO; | |
684 | ||
685 | if (mode == 2 || mode == 4) | |
686 | val |= V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2; | |
687 | ||
688 | if (mode & 0x10) | |
689 | val |= V4L2_TUNER_SUB_SAP; | |
690 | ||
691 | vt->rxsubchans = val; | |
692 | ||
693 | switch (pref) { | |
694 | case 0: | |
695 | vt->audmode = V4L2_TUNER_MODE_MONO; | |
696 | break; | |
697 | case 1: | |
698 | case 2: | |
699 | vt->audmode = V4L2_TUNER_MODE_LANG2; | |
700 | break; | |
701 | case 4: | |
702 | default: | |
703 | vt->audmode = V4L2_TUNER_MODE_STEREO; | |
704 | } | |
705 | break; | |
706 | } | |
707 | ||
708 | case VIDIOC_S_TUNER: | |
709 | switch (vt->audmode) { | |
710 | case V4L2_TUNER_MODE_MONO: | |
711 | case V4L2_TUNER_MODE_LANG1: | |
712 | /* Force PREF_MODE to MONO */ | |
713 | cx25840_and_or(client, 0x809, ~0xf, 0x00); | |
714 | break; | |
715 | case V4L2_TUNER_MODE_STEREO: | |
716 | /* Force PREF_MODE to STEREO */ | |
717 | cx25840_and_or(client, 0x809, ~0xf, 0x04); | |
718 | break; | |
719 | case V4L2_TUNER_MODE_LANG2: | |
720 | /* Force PREF_MODE to LANG2 */ | |
721 | cx25840_and_or(client, 0x809, ~0xf, 0x01); | |
722 | break; | |
723 | } | |
724 | break; | |
725 | ||
726 | case VIDIOC_G_FMT: | |
727 | result = get_v4lfmt(client, (struct v4l2_format *)arg); | |
728 | break; | |
729 | ||
730 | case VIDIOC_S_FMT: | |
731 | result = set_v4lfmt(client, (struct v4l2_format *)arg); | |
732 | break; | |
733 | ||
734 | case VIDIOC_INT_RESET: | |
735 | cx25840_initialize(client, 0); | |
736 | break; | |
737 | ||
738 | case VIDIOC_INT_G_CHIP_IDENT: | |
739 | *(enum v4l2_chip_ident *)arg = | |
740 | V4L2_IDENT_CX25840 + ((cx25840_read(client, 0x100) >> 4) & 0xf); | |
741 | break; | |
742 | ||
743 | default: | |
744 | cx25840_err("invalid ioctl %x\n", cmd); | |
745 | return -EINVAL; | |
746 | } | |
747 | ||
748 | return result; | |
749 | } | |
750 | ||
751 | /* ----------------------------------------------------------------------- */ | |
752 | ||
769e2438 | 753 | static struct i2c_driver i2c_driver_cx25840; |
bd985160 HV |
754 | |
755 | static int cx25840_detect_client(struct i2c_adapter *adapter, int address, | |
756 | int kind) | |
757 | { | |
758 | struct i2c_client *client; | |
759 | struct cx25840_state *state; | |
760 | u16 device_id; | |
761 | ||
762 | /* Check if the adapter supports the needed features | |
763 | * Not until kernel version 2.6.11 did the bit-algo | |
764 | * correctly report that it would do an I2C-level xfer */ | |
765 | if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) | |
766 | return 0; | |
767 | ||
768 | client = kmalloc(sizeof(struct i2c_client), GFP_KERNEL); | |
769 | if (client == 0) | |
770 | return -ENOMEM; | |
771 | ||
772 | memset(client, 0, sizeof(struct i2c_client)); | |
773 | client->addr = address; | |
774 | client->adapter = adapter; | |
775 | client->driver = &i2c_driver_cx25840; | |
bd985160 HV |
776 | snprintf(client->name, sizeof(client->name) - 1, "cx25840"); |
777 | ||
778 | cx25840_dbg("detecting cx25840 client on address 0x%x\n", address << 1); | |
779 | ||
780 | device_id = cx25840_read(client, 0x101) << 8; | |
781 | device_id |= cx25840_read(client, 0x100); | |
782 | ||
783 | /* The high byte of the device ID should be | |
784 | * 0x84 if chip is present */ | |
785 | if ((device_id & 0xff00) != 0x8400) { | |
786 | cx25840_dbg("cx25840 not found\n"); | |
787 | kfree(client); | |
788 | return 0; | |
789 | } | |
790 | ||
791 | cx25840_info("cx25%3x-2%x found @ 0x%x (%s)\n", | |
792 | (device_id & 0xfff0) >> 4, | |
793 | (device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : 3, | |
794 | address << 1, adapter->name); | |
795 | ||
796 | state = kmalloc(sizeof(struct cx25840_state), GFP_KERNEL); | |
797 | if (state == NULL) { | |
798 | kfree(client); | |
799 | return -ENOMEM; | |
800 | } | |
801 | ||
802 | i2c_set_clientdata(client, state); | |
803 | memset(state, 0, sizeof(struct cx25840_state)); | |
804 | state->input = CX25840_TUNER; | |
805 | state->audclk_freq = V4L2_AUDCLK_48_KHZ; | |
806 | state->audio_input = AUDIO_TUNER; | |
807 | state->cardtype = CARDTYPE_PVR150; | |
808 | ||
809 | cx25840_initialize(client, 1); | |
810 | ||
811 | i2c_attach_client(client); | |
812 | ||
813 | return 0; | |
814 | } | |
815 | ||
816 | static int cx25840_attach_adapter(struct i2c_adapter *adapter) | |
817 | { | |
bd985160 | 818 | if (adapter->class & I2C_CLASS_TV_ANALOG) |
bd985160 HV |
819 | return i2c_probe(adapter, &addr_data, &cx25840_detect_client); |
820 | return 0; | |
821 | } | |
822 | ||
823 | static int cx25840_detach_client(struct i2c_client *client) | |
824 | { | |
825 | struct cx25840_state *state = i2c_get_clientdata(client); | |
826 | int err; | |
827 | ||
828 | err = i2c_detach_client(client); | |
829 | if (err) { | |
830 | return err; | |
831 | } | |
832 | ||
833 | kfree(state); | |
834 | kfree(client); | |
835 | ||
836 | return 0; | |
837 | } | |
838 | ||
839 | /* ----------------------------------------------------------------------- */ | |
840 | ||
769e2438 | 841 | static struct i2c_driver i2c_driver_cx25840 = { |
604f28e2 | 842 | .driver = { |
604f28e2 LR |
843 | .name = "cx25840", |
844 | }, | |
bd985160 HV |
845 | |
846 | .id = I2C_DRIVERID_CX25840, | |
bd985160 HV |
847 | |
848 | .attach_adapter = cx25840_attach_adapter, | |
849 | .detach_client = cx25840_detach_client, | |
850 | .command = cx25840_command, | |
bd985160 HV |
851 | }; |
852 | ||
853 | ||
854 | static int __init m__init(void) | |
855 | { | |
856 | return i2c_add_driver(&i2c_driver_cx25840); | |
857 | } | |
858 | ||
859 | static void __exit m__exit(void) | |
860 | { | |
861 | i2c_del_driver(&i2c_driver_cx25840); | |
862 | } | |
863 | ||
864 | module_init(m__init); | |
865 | module_exit(m__exit); | |
866 | ||
867 | /* ----------------------------------------------------------------------- */ | |
868 | ||
869 | static void log_status(struct i2c_client *client) | |
870 | { | |
871 | static const char *const fmt_strs[] = { | |
872 | "0x0", | |
873 | "NTSC-M", "NTSC-J", "NTSC-4.43", | |
874 | "PAL-BDGHI", "PAL-M", "PAL-N", "PAL-Nc", "PAL-60", | |
875 | "0x9", "0xA", "0xB", | |
876 | "SECAM", | |
877 | "0xD", "0xE", "0xF" | |
878 | }; | |
879 | ||
880 | struct cx25840_state *state = i2c_get_clientdata(client); | |
881 | u8 microctrl_vidfmt = cx25840_read(client, 0x80a); | |
882 | u8 vidfmt_sel = cx25840_read(client, 0x400) & 0xf; | |
883 | u8 gen_stat1 = cx25840_read(client, 0x40d); | |
884 | u8 download_ctl = cx25840_read(client, 0x803); | |
885 | u8 mod_det_stat0 = cx25840_read(client, 0x804); | |
886 | u8 mod_det_stat1 = cx25840_read(client, 0x805); | |
887 | u8 audio_config = cx25840_read(client, 0x808); | |
888 | u8 pref_mode = cx25840_read(client, 0x809); | |
889 | u8 afc0 = cx25840_read(client, 0x80b); | |
890 | u8 mute_ctl = cx25840_read(client, 0x8d3); | |
891 | char *p; | |
892 | ||
893 | cx25840_info("Video signal: %spresent\n", | |
894 | (microctrl_vidfmt & 0x10) ? "" : "not "); | |
895 | cx25840_info("Detected format: %s\n", | |
896 | fmt_strs[gen_stat1 & 0xf]); | |
897 | ||
898 | switch (mod_det_stat0) { | |
899 | case 0x00: p = "mono"; break; | |
900 | case 0x01: p = "stereo"; break; | |
901 | case 0x02: p = "dual"; break; | |
902 | case 0x04: p = "tri"; break; | |
903 | case 0x10: p = "mono with SAP"; break; | |
904 | case 0x11: p = "stereo with SAP"; break; | |
905 | case 0x12: p = "dual with SAP"; break; | |
906 | case 0x14: p = "tri with SAP"; break; | |
907 | case 0xfe: p = "forced mode"; break; | |
908 | default: p = "not defined"; | |
909 | } | |
910 | cx25840_info("Detected audio mode: %s\n", p); | |
911 | ||
912 | switch (mod_det_stat1) { | |
913 | case 0x00: p = "not defined"; break; | |
914 | case 0x01: p = "EIAJ"; break; | |
915 | case 0x02: p = "A2-M"; break; | |
916 | case 0x03: p = "A2-BG"; break; | |
917 | case 0x04: p = "A2-DK1"; break; | |
918 | case 0x05: p = "A2-DK2"; break; | |
919 | case 0x06: p = "A2-DK3"; break; | |
920 | case 0x07: p = "A1 (6.0 MHz FM Mono)"; break; | |
921 | case 0x08: p = "AM-L"; break; | |
922 | case 0x09: p = "NICAM-BG"; break; | |
923 | case 0x0a: p = "NICAM-DK"; break; | |
924 | case 0x0b: p = "NICAM-I"; break; | |
925 | case 0x0c: p = "NICAM-L"; break; | |
926 | case 0x0d: p = "BTSC/EIAJ/A2-M Mono (4.5 MHz FMMono)"; break; | |
927 | case 0x0e: p = "IF FM Radio"; break; | |
928 | case 0x0f: p = "BTSC"; break; | |
929 | case 0x10: p = "high-deviation FM"; break; | |
930 | case 0x11: p = "very high-deviation FM"; break; | |
931 | case 0xfd: p = "unknown audio standard"; break; | |
932 | case 0xfe: p = "forced audio standard"; break; | |
933 | case 0xff: p = "no detected audio standard"; break; | |
934 | default: p = "not defined"; | |
935 | } | |
936 | cx25840_info("Detected audio standard: %s\n", p); | |
937 | cx25840_info("Audio muted: %s\n", | |
938 | (mute_ctl & 0x2) ? "yes" : "no"); | |
939 | cx25840_info("Audio microcontroller: %s\n", | |
940 | (download_ctl & 0x10) ? "running" : "stopped"); | |
941 | ||
942 | switch (audio_config >> 4) { | |
943 | case 0x00: p = "undefined"; break; | |
944 | case 0x01: p = "BTSC"; break; | |
945 | case 0x02: p = "EIAJ"; break; | |
946 | case 0x03: p = "A2-M"; break; | |
947 | case 0x04: p = "A2-BG"; break; | |
948 | case 0x05: p = "A2-DK1"; break; | |
949 | case 0x06: p = "A2-DK2"; break; | |
950 | case 0x07: p = "A2-DK3"; break; | |
951 | case 0x08: p = "A1 (6.0 MHz FM Mono)"; break; | |
952 | case 0x09: p = "AM-L"; break; | |
953 | case 0x0a: p = "NICAM-BG"; break; | |
954 | case 0x0b: p = "NICAM-DK"; break; | |
955 | case 0x0c: p = "NICAM-I"; break; | |
956 | case 0x0d: p = "NICAM-L"; break; | |
957 | case 0x0e: p = "FM radio"; break; | |
958 | case 0x0f: p = "automatic detection"; break; | |
959 | default: p = "undefined"; | |
960 | } | |
961 | cx25840_info("Configured audio standard: %s\n", p); | |
962 | ||
963 | if ((audio_config >> 4) < 0xF) { | |
964 | switch (audio_config & 0xF) { | |
965 | case 0x00: p = "MONO1 (LANGUAGE A/Mono L+R channel for BTSC, EIAJ, A2)"; break; | |
966 | case 0x01: p = "MONO2 (LANGUAGE B)"; break; | |
967 | case 0x02: p = "MONO3 (STEREO forced MONO)"; break; | |
968 | case 0x03: p = "MONO4 (NICAM ANALOG-Language C/Analog Fallback)"; break; | |
969 | case 0x04: p = "STEREO"; break; | |
970 | case 0x05: p = "DUAL1 (AB)"; break; | |
971 | case 0x06: p = "DUAL2 (AC) (FM)"; break; | |
972 | case 0x07: p = "DUAL3 (BC) (FM)"; break; | |
973 | case 0x08: p = "DUAL4 (AC) (AM)"; break; | |
974 | case 0x09: p = "DUAL5 (BC) (AM)"; break; | |
975 | case 0x0a: p = "SAP"; break; | |
976 | default: p = "undefined"; | |
977 | } | |
978 | cx25840_info("Configured audio mode: %s\n", p); | |
979 | } else { | |
980 | switch (audio_config & 0xF) { | |
981 | case 0x00: p = "BG"; break; | |
982 | case 0x01: p = "DK1"; break; | |
983 | case 0x02: p = "DK2"; break; | |
984 | case 0x03: p = "DK3"; break; | |
985 | case 0x04: p = "I"; break; | |
986 | case 0x05: p = "L"; break; | |
987 | case 0x06: p = "BTSC"; break; | |
988 | case 0x07: p = "EIAJ"; break; | |
989 | case 0x08: p = "A2-M"; break; | |
990 | case 0x09: p = "FM Radio"; break; | |
991 | case 0x0f: p = "automatic standard and mode detection"; break; | |
992 | default: p = "undefined"; | |
993 | } | |
994 | cx25840_info("Configured audio system: %s\n", p); | |
995 | } | |
996 | ||
997 | cx25840_info("Specified standard: %s\n", | |
998 | vidfmt_sel ? fmt_strs[vidfmt_sel] : "automatic detection"); | |
999 | ||
1000 | switch (state->input) { | |
1001 | case CX25840_COMPOSITE0: p = "Composite 0"; break; | |
1002 | case CX25840_COMPOSITE1: p = "Composite 1"; break; | |
1003 | case CX25840_SVIDEO0: p = "S-Video 0"; break; | |
1004 | case CX25840_SVIDEO1: p = "S-Video 1"; break; | |
1005 | case CX25840_TUNER: p = "Tuner"; break; | |
1006 | } | |
1007 | cx25840_info("Specified input: %s\n", p); | |
1008 | cx25840_info("Specified audio input: %s\n", | |
1009 | state->audio_input == 0 ? "Tuner" : "External"); | |
1010 | ||
1011 | switch (state->audclk_freq) { | |
1012 | case V4L2_AUDCLK_441_KHZ: p = "44.1 kHz"; break; | |
1013 | case V4L2_AUDCLK_48_KHZ: p = "48 kHz"; break; | |
1014 | case V4L2_AUDCLK_32_KHZ: p = "32 kHz"; break; | |
1015 | default: p = "undefined"; | |
1016 | } | |
1017 | cx25840_info("Specified audioclock freq: %s\n", p); | |
1018 | ||
1019 | switch (pref_mode & 0xf) { | |
1020 | case 0: p = "mono/language A"; break; | |
1021 | case 1: p = "language B"; break; | |
1022 | case 2: p = "language C"; break; | |
1023 | case 3: p = "analog fallback"; break; | |
1024 | case 4: p = "stereo"; break; | |
1025 | case 5: p = "language AC"; break; | |
1026 | case 6: p = "language BC"; break; | |
1027 | case 7: p = "language AB"; break; | |
1028 | default: p = "undefined"; | |
1029 | } | |
1030 | cx25840_info("Preferred audio mode: %s\n", p); | |
1031 | ||
1032 | if ((audio_config & 0xf) == 0xf) { | |
1033 | switch ((afc0 >> 3) & 0x3) { | |
1034 | case 0: p = "system DK"; break; | |
1035 | case 1: p = "system L"; break; | |
1036 | case 2: p = "autodetect"; break; | |
1037 | default: p = "undefined"; | |
1038 | } | |
1039 | cx25840_info("Selected 65 MHz format: %s\n", p); | |
1040 | ||
1041 | switch (afc0 & 0x7) { | |
1042 | case 0: p = "chroma"; break; | |
1043 | case 1: p = "BTSC"; break; | |
1044 | case 2: p = "EIAJ"; break; | |
1045 | case 3: p = "A2-M"; break; | |
1046 | case 4: p = "autodetect"; break; | |
1047 | default: p = "undefined"; | |
1048 | } | |
1049 | cx25840_info("Selected 45 MHz format: %s\n", p); | |
1050 | } | |
1051 | } |