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V4L/DVB (3582): Implement correct msp3400 input/output routing
[mirror_ubuntu-zesty-kernel.git] / drivers / media / video / msp3400-driver.c
1 /*
2 * Programming the mspx4xx sound processor family
3 *
4 * (c) 1997-2001 Gerd Knorr <kraxel@bytesex.org>
5 *
6 * what works and what doesn't:
7 *
8 * AM-Mono
9 * Support for Hauppauge cards added (decoding handled by tuner) added by
10 * Frederic Crozat <fcrozat@mail.dotcom.fr>
11 *
12 * FM-Mono
13 * should work. The stereo modes are backward compatible to FM-mono,
14 * therefore FM-Mono should be allways available.
15 *
16 * FM-Stereo (B/G, used in germany)
17 * should work, with autodetect
18 *
19 * FM-Stereo (satellite)
20 * should work, no autodetect (i.e. default is mono, but you can
21 * switch to stereo -- untested)
22 *
23 * NICAM (B/G, L , used in UK, Scandinavia, Spain and France)
24 * should work, with autodetect. Support for NICAM was added by
25 * Pekka Pietikainen <pp@netppl.fi>
26 *
27 * TODO:
28 * - better SAT support
29 *
30 * 980623 Thomas Sailer (sailer@ife.ee.ethz.ch)
31 * using soundcore instead of OSS
32 *
33 * This program is free software; you can redistribute it and/or
34 * modify it under the terms of the GNU General Public License
35 * as published by the Free Software Foundation; either version 2
36 * of the License, or (at your option) any later version.
37 *
38 * This program is distributed in the hope that it will be useful,
39 * but WITHOUT ANY WARRANTY; without even the implied warranty of
40 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
41 * GNU General Public License for more details.
42 *
43 * You should have received a copy of the GNU General Public License
44 * along with this program; if not, write to the Free Software
45 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
46 */
47
48
49 #include <linux/kernel.h>
50 #include <linux/module.h>
51 #include <linux/slab.h>
52 #include <linux/i2c.h>
53 #include <linux/videodev.h>
54 #include <linux/videodev2.h>
55 #include <media/v4l2-common.h>
56 #include <media/tvaudio.h>
57 #include <media/msp3400.h>
58 #include <linux/kthread.h>
59 #include <linux/suspend.h>
60 #include "msp3400-driver.h"
61
62 /* ---------------------------------------------------------------------- */
63
64 MODULE_DESCRIPTION("device driver for msp34xx TV sound processor");
65 MODULE_AUTHOR("Gerd Knorr");
66 MODULE_LICENSE("GPL");
67
68 /* module parameters */
69 static int opmode = OPMODE_AUTO;
70 int msp_debug; /* msp_debug output */
71 int msp_once; /* no continous stereo monitoring */
72 int msp_amsound; /* hard-wire AM sound at 6.5 Hz (france),
73 the autoscan seems work well only with FM... */
74 int msp_standard = 1; /* Override auto detect of audio msp_standard, if needed. */
75 int msp_dolby;
76
77 int msp_stereo_thresh = 0x190; /* a2 threshold for stereo/bilingual
78 (msp34xxg only) 0x00a0-0x03c0 */
79
80 /* read-only */
81 module_param(opmode, int, 0444);
82
83 /* read-write */
84 module_param_named(once,msp_once, bool, 0644);
85 module_param_named(debug,msp_debug, int, 0644);
86 module_param_named(stereo_threshold,msp_stereo_thresh, int, 0644);
87 module_param_named(standard,msp_standard, int, 0644);
88 module_param_named(amsound,msp_amsound, bool, 0644);
89 module_param_named(dolby,msp_dolby, bool, 0644);
90
91 MODULE_PARM_DESC(opmode, "Forces a MSP3400 opmode. 0=Manual, 1=Autodetect, 2=Autodetect and autoselect");
92 MODULE_PARM_DESC(once, "No continuous stereo monitoring");
93 MODULE_PARM_DESC(debug, "Enable debug messages [0-3]");
94 MODULE_PARM_DESC(stereo_threshold, "Sets signal threshold to activate stereo");
95 MODULE_PARM_DESC(standard, "Specify audio standard: 32 = NTSC, 64 = radio, Default: Autodetect");
96 MODULE_PARM_DESC(amsound, "Hardwire AM sound at 6.5Hz (France), FM can autoscan");
97 MODULE_PARM_DESC(dolby, "Activates Dolby processsing");
98
99 /* ---------------------------------------------------------------------- */
100
101 /* control subaddress */
102 #define I2C_MSP_CONTROL 0x00
103 /* demodulator unit subaddress */
104 #define I2C_MSP_DEM 0x10
105 /* DSP unit subaddress */
106 #define I2C_MSP_DSP 0x12
107
108 /* Addresses to scan */
109 static unsigned short normal_i2c[] = { 0x80 >> 1, 0x88 >> 1, I2C_CLIENT_END };
110 I2C_CLIENT_INSMOD;
111
112 /* ----------------------------------------------------------------------- */
113 /* functions for talking to the MSP3400C Sound processor */
114
115 int msp_reset(struct i2c_client *client)
116 {
117 /* reset and read revision code */
118 static u8 reset_off[3] = { I2C_MSP_CONTROL, 0x80, 0x00 };
119 static u8 reset_on[3] = { I2C_MSP_CONTROL, 0x00, 0x00 };
120 static u8 write[3] = { I2C_MSP_DSP + 1, 0x00, 0x1e };
121 u8 read[2];
122 struct i2c_msg reset[2] = {
123 { client->addr, I2C_M_IGNORE_NAK, 3, reset_off },
124 { client->addr, I2C_M_IGNORE_NAK, 3, reset_on },
125 };
126 struct i2c_msg test[2] = {
127 { client->addr, 0, 3, write },
128 { client->addr, I2C_M_RD, 2, read },
129 };
130
131 v4l_dbg(3, msp_debug, client, "msp_reset\n");
132 if (i2c_transfer(client->adapter, &reset[0], 1) != 1 ||
133 i2c_transfer(client->adapter, &reset[1], 1) != 1 ||
134 i2c_transfer(client->adapter, test, 2) != 2) {
135 v4l_err(client, "chip reset failed\n");
136 return -1;
137 }
138 return 0;
139 }
140
141 static int msp_read(struct i2c_client *client, int dev, int addr)
142 {
143 int err, retval;
144 u8 write[3];
145 u8 read[2];
146 struct i2c_msg msgs[2] = {
147 { client->addr, 0, 3, write },
148 { client->addr, I2C_M_RD, 2, read }
149 };
150
151 write[0] = dev + 1;
152 write[1] = addr >> 8;
153 write[2] = addr & 0xff;
154
155 for (err = 0; err < 3; err++) {
156 if (i2c_transfer(client->adapter, msgs, 2) == 2)
157 break;
158 v4l_warn(client, "I/O error #%d (read 0x%02x/0x%02x)\n", err,
159 dev, addr);
160 current->state = TASK_INTERRUPTIBLE;
161 schedule_timeout(msecs_to_jiffies(10));
162 }
163 if (err == 3) {
164 v4l_warn(client, "giving up, resetting chip. Sound will go off, sorry folks :-|\n");
165 msp_reset(client);
166 return -1;
167 }
168 retval = read[0] << 8 | read[1];
169 v4l_dbg(3, msp_debug, client, "msp_read(0x%x, 0x%x): 0x%x\n", dev, addr, retval);
170 return retval;
171 }
172
173 int msp_read_dem(struct i2c_client *client, int addr)
174 {
175 return msp_read(client, I2C_MSP_DEM, addr);
176 }
177
178 int msp_read_dsp(struct i2c_client *client, int addr)
179 {
180 return msp_read(client, I2C_MSP_DSP, addr);
181 }
182
183 static int msp_write(struct i2c_client *client, int dev, int addr, int val)
184 {
185 int err;
186 u8 buffer[5];
187
188 buffer[0] = dev;
189 buffer[1] = addr >> 8;
190 buffer[2] = addr & 0xff;
191 buffer[3] = val >> 8;
192 buffer[4] = val & 0xff;
193
194 v4l_dbg(3, msp_debug, client, "msp_write(0x%x, 0x%x, 0x%x)\n", dev, addr, val);
195 for (err = 0; err < 3; err++) {
196 if (i2c_master_send(client, buffer, 5) == 5)
197 break;
198 v4l_warn(client, "I/O error #%d (write 0x%02x/0x%02x)\n", err,
199 dev, addr);
200 current->state = TASK_INTERRUPTIBLE;
201 schedule_timeout(msecs_to_jiffies(10));
202 }
203 if (err == 3) {
204 v4l_warn(client, "giving up, resetting chip. Sound will go off, sorry folks :-|\n");
205 msp_reset(client);
206 return -1;
207 }
208 return 0;
209 }
210
211 int msp_write_dem(struct i2c_client *client, int addr, int val)
212 {
213 return msp_write(client, I2C_MSP_DEM, addr, val);
214 }
215
216 int msp_write_dsp(struct i2c_client *client, int addr, int val)
217 {
218 return msp_write(client, I2C_MSP_DSP, addr, val);
219 }
220
221 /* ----------------------------------------------------------------------- *
222 * bits 9 8 5 - SCART DSP input Select:
223 * 0 0 0 - SCART 1 to DSP input (reset position)
224 * 0 1 0 - MONO to DSP input
225 * 1 0 0 - SCART 2 to DSP input
226 * 1 1 1 - Mute DSP input
227 *
228 * bits 11 10 6 - SCART 1 Output Select:
229 * 0 0 0 - undefined (reset position)
230 * 0 1 0 - SCART 2 Input to SCART 1 Output (for devices with 2 SCARTS)
231 * 1 0 0 - MONO input to SCART 1 Output
232 * 1 1 0 - SCART 1 DA to SCART 1 Output
233 * 0 0 1 - SCART 2 DA to SCART 1 Output
234 * 0 1 1 - SCART 1 Input to SCART 1 Output
235 * 1 1 1 - Mute SCART 1 Output
236 *
237 * bits 13 12 7 - SCART 2 Output Select (for devices with 2 Output SCART):
238 * 0 0 0 - SCART 1 DA to SCART 2 Output (reset position)
239 * 0 1 0 - SCART 1 Input to SCART 2 Output
240 * 1 0 0 - MONO input to SCART 2 Output
241 * 0 0 1 - SCART 2 DA to SCART 2 Output
242 * 0 1 1 - SCART 2 Input to SCART 2 Output
243 * 1 1 0 - Mute SCART 2 Output
244 *
245 * Bits 4 to 0 should be zero.
246 * ----------------------------------------------------------------------- */
247
248 static int scarts[3][9] = {
249 /* MASK IN1 IN2 IN3 IN4 IN1_DA IN2_DA MONO MUTE */
250 /* SCART DSP Input select */
251 { 0x0320, 0x0000, 0x0200, 0x0300, 0x0020, -1, -1, 0x0100, 0x0320 },
252 /* SCART1 Output select */
253 { 0x0c40, 0x0440, 0x0400, 0x0000, 0x0840, 0x0c00, 0x0040, 0x0800, 0x0c40 },
254 /* SCART2 Output select */
255 { 0x3080, 0x1000, 0x1080, 0x2080, 0x3080, 0x0000, 0x0080, 0x2000, 0x3000 },
256 };
257
258 static char *scart_names[] = {
259 "in1", "in2", "in3", "in4", "in1 da", "in2 da", "mono", "mute"
260 };
261
262 void msp_set_scart(struct i2c_client *client, int in, int out)
263 {
264 struct msp_state *state = i2c_get_clientdata(client);
265
266 state->in_scart = in;
267
268 if (in >= 0 && in <= 7 && out >= 0 && out <= 2) {
269 if (-1 == scarts[out][in + 1])
270 return;
271
272 state->acb &= ~scarts[out][0];
273 state->acb |= scarts[out][in + 1];
274 } else
275 state->acb = 0xf60; /* Mute Input and SCART 1 Output */
276
277 v4l_dbg(1, msp_debug, client, "scart switch: %s => %d (ACB=0x%04x)\n",
278 scart_names[in], out, state->acb);
279 msp_write_dsp(client, 0x13, state->acb);
280
281 /* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */
282 msp_write_dem(client, 0x40, state->i2s_mode);
283 }
284
285 void msp_set_mute(struct i2c_client *client)
286 {
287 struct msp_state *state = i2c_get_clientdata(client);
288
289 v4l_dbg(1, msp_debug, client, "mute audio\n");
290 msp_write_dsp(client, 0x0000, 0);
291 msp_write_dsp(client, 0x0007, 1);
292 if (state->has_scart2_out_volume)
293 msp_write_dsp(client, 0x0040, 1);
294 if (state->has_headphones)
295 msp_write_dsp(client, 0x0006, 0);
296 }
297
298 void msp_set_audio(struct i2c_client *client)
299 {
300 struct msp_state *state = i2c_get_clientdata(client);
301 int bal = 0, bass, treble, loudness;
302 int val = 0;
303
304 if (!state->muted)
305 val = (state->volume * 0x7f / 65535) << 8;
306
307 v4l_dbg(1, msp_debug, client, "mute=%s volume=%d\n",
308 state->muted ? "on" : "off", state->volume);
309
310 msp_write_dsp(client, 0x0000, val);
311 msp_write_dsp(client, 0x0007, state->muted ? 0x1 : (val | 0x1));
312 if (state->has_scart2_out_volume)
313 msp_write_dsp(client, 0x0040, state->muted ? 0x1 : (val | 0x1));
314 if (state->has_headphones)
315 msp_write_dsp(client, 0x0006, val);
316 if (!state->has_sound_processing)
317 return;
318
319 if (val)
320 bal = (u8)((state->balance / 256) - 128);
321 bass = ((state->bass - 32768) * 0x60 / 65535) << 8;
322 treble = ((state->treble - 32768) * 0x60 / 65535) << 8;
323 loudness = state->loudness ? ((5 * 4) << 8) : 0;
324
325 v4l_dbg(1, msp_debug, client, "balance=%d bass=%d treble=%d loudness=%d\n",
326 state->balance, state->bass, state->treble, state->loudness);
327
328 msp_write_dsp(client, 0x0001, bal << 8);
329 msp_write_dsp(client, 0x0002, bass);
330 msp_write_dsp(client, 0x0003, treble);
331 msp_write_dsp(client, 0x0004, loudness);
332 if (!state->has_headphones)
333 return;
334 msp_write_dsp(client, 0x0030, bal << 8);
335 msp_write_dsp(client, 0x0031, bass);
336 msp_write_dsp(client, 0x0032, treble);
337 msp_write_dsp(client, 0x0033, loudness);
338 }
339
340 /* ------------------------------------------------------------------------ */
341
342
343 static void msp_wake_thread(struct i2c_client *client)
344 {
345 struct msp_state *state = i2c_get_clientdata(client);
346
347 if (NULL == state->kthread)
348 return;
349 msp_set_mute(client);
350 state->watch_stereo = 0;
351 state->restart = 1;
352 wake_up_interruptible(&state->wq);
353 }
354
355 int msp_sleep(struct msp_state *state, int timeout)
356 {
357 DECLARE_WAITQUEUE(wait, current);
358
359 add_wait_queue(&state->wq, &wait);
360 if (!kthread_should_stop()) {
361 if (timeout < 0) {
362 set_current_state(TASK_INTERRUPTIBLE);
363 schedule();
364 } else {
365 schedule_timeout_interruptible
366 (msecs_to_jiffies(timeout));
367 }
368 }
369
370 remove_wait_queue(&state->wq, &wait);
371 try_to_freeze();
372 return state->restart;
373 }
374
375 /* ------------------------------------------------------------------------ */
376
377 static int msp_mode_v4l2_to_v4l1(int rxsubchans)
378 {
379 int mode = 0;
380
381 if (rxsubchans & V4L2_TUNER_SUB_STEREO)
382 mode |= VIDEO_SOUND_STEREO;
383 if (rxsubchans & V4L2_TUNER_SUB_LANG2)
384 mode |= VIDEO_SOUND_LANG2 | VIDEO_SOUND_STEREO;
385 if (rxsubchans & V4L2_TUNER_SUB_LANG1)
386 mode |= VIDEO_SOUND_LANG1 | VIDEO_SOUND_STEREO;
387 if (mode == 0)
388 mode |= VIDEO_SOUND_MONO;
389 return mode;
390 }
391
392 static int msp_mode_v4l1_to_v4l2(int mode)
393 {
394 if (mode & VIDEO_SOUND_STEREO)
395 return V4L2_TUNER_MODE_STEREO;
396 if (mode & VIDEO_SOUND_LANG2)
397 return V4L2_TUNER_MODE_LANG2;
398 if (mode & VIDEO_SOUND_LANG1)
399 return V4L2_TUNER_MODE_LANG1;
400 return V4L2_TUNER_MODE_MONO;
401 }
402
403 static struct v4l2_queryctrl msp_qctrl_std[] = {
404 {
405 .id = V4L2_CID_AUDIO_VOLUME,
406 .name = "Volume",
407 .minimum = 0,
408 .maximum = 65535,
409 .step = 65535/100,
410 .default_value = 58880,
411 .flags = 0,
412 .type = V4L2_CTRL_TYPE_INTEGER,
413 },{
414 .id = V4L2_CID_AUDIO_MUTE,
415 .name = "Mute",
416 .minimum = 0,
417 .maximum = 1,
418 .step = 1,
419 .default_value = 1,
420 .flags = 0,
421 .type = V4L2_CTRL_TYPE_BOOLEAN,
422 },
423 };
424
425 static struct v4l2_queryctrl msp_qctrl_sound_processing[] = {
426 {
427 .id = V4L2_CID_AUDIO_BALANCE,
428 .name = "Balance",
429 .minimum = 0,
430 .maximum = 65535,
431 .step = 65535/100,
432 .default_value = 32768,
433 .flags = 0,
434 .type = V4L2_CTRL_TYPE_INTEGER,
435 },{
436 .id = V4L2_CID_AUDIO_BASS,
437 .name = "Bass",
438 .minimum = 0,
439 .maximum = 65535,
440 .step = 65535/100,
441 .default_value = 32768,
442 .type = V4L2_CTRL_TYPE_INTEGER,
443 },{
444 .id = V4L2_CID_AUDIO_TREBLE,
445 .name = "Treble",
446 .minimum = 0,
447 .maximum = 65535,
448 .step = 65535/100,
449 .default_value = 32768,
450 .type = V4L2_CTRL_TYPE_INTEGER,
451 },{
452 .id = V4L2_CID_AUDIO_LOUDNESS,
453 .name = "Loudness",
454 .minimum = 0,
455 .maximum = 1,
456 .step = 1,
457 .default_value = 1,
458 .flags = 0,
459 .type = V4L2_CTRL_TYPE_BOOLEAN,
460 },
461 };
462
463
464 static int msp_get_ctrl(struct i2c_client *client, struct v4l2_control *ctrl)
465 {
466 struct msp_state *state = i2c_get_clientdata(client);
467
468 switch (ctrl->id) {
469 case V4L2_CID_AUDIO_VOLUME:
470 ctrl->value = state->volume;
471 break;
472
473 case V4L2_CID_AUDIO_MUTE:
474 ctrl->value = state->muted;
475 break;
476
477 case V4L2_CID_AUDIO_BALANCE:
478 if (!state->has_sound_processing)
479 return -EINVAL;
480 ctrl->value = state->balance;
481 break;
482
483 case V4L2_CID_AUDIO_BASS:
484 if (!state->has_sound_processing)
485 return -EINVAL;
486 ctrl->value = state->bass;
487 break;
488
489 case V4L2_CID_AUDIO_TREBLE:
490 if (!state->has_sound_processing)
491 return -EINVAL;
492 ctrl->value = state->treble;
493 break;
494
495 case V4L2_CID_AUDIO_LOUDNESS:
496 if (!state->has_sound_processing)
497 return -EINVAL;
498 ctrl->value = state->loudness;
499 break;
500
501 default:
502 return -EINVAL;
503 }
504 return 0;
505 }
506
507 static int msp_set_ctrl(struct i2c_client *client, struct v4l2_control *ctrl)
508 {
509 struct msp_state *state = i2c_get_clientdata(client);
510
511 switch (ctrl->id) {
512 case V4L2_CID_AUDIO_VOLUME:
513 state->volume = ctrl->value;
514 if (state->volume == 0)
515 state->balance = 32768;
516 break;
517
518 case V4L2_CID_AUDIO_MUTE:
519 if (ctrl->value < 0 || ctrl->value >= 2)
520 return -ERANGE;
521 state->muted = ctrl->value;
522 break;
523
524 case V4L2_CID_AUDIO_BASS:
525 if (!state->has_sound_processing)
526 return -EINVAL;
527 state->bass = ctrl->value;
528 break;
529
530 case V4L2_CID_AUDIO_TREBLE:
531 if (!state->has_sound_processing)
532 return -EINVAL;
533 state->treble = ctrl->value;
534 break;
535
536 case V4L2_CID_AUDIO_LOUDNESS:
537 if (!state->has_sound_processing)
538 return -EINVAL;
539 state->loudness = ctrl->value;
540 break;
541
542 case V4L2_CID_AUDIO_BALANCE:
543 if (!state->has_sound_processing)
544 return -EINVAL;
545 state->balance = ctrl->value;
546 break;
547
548 default:
549 return -EINVAL;
550 }
551 msp_set_audio(client);
552 return 0;
553 }
554
555 static int msp_command(struct i2c_client *client, unsigned int cmd, void *arg)
556 {
557 struct msp_state *state = i2c_get_clientdata(client);
558
559 if (msp_debug >= 2)
560 v4l_i2c_print_ioctl(client, cmd);
561
562 switch (cmd) {
563 case AUDC_SET_RADIO:
564 if (state->radio)
565 return 0;
566 state->radio = 1;
567 v4l_dbg(1, msp_debug, client, "switching to radio mode\n");
568 state->watch_stereo = 0;
569 switch (state->opmode) {
570 case OPMODE_MANUAL:
571 /* set msp3400 to FM radio mode */
572 msp3400c_set_mode(client, MSP_MODE_FM_RADIO);
573 msp3400c_set_carrier(client, MSP_CARRIER(10.7),
574 MSP_CARRIER(10.7));
575 msp_set_audio(client);
576 break;
577 case OPMODE_AUTODETECT:
578 case OPMODE_AUTOSELECT:
579 /* the thread will do for us */
580 msp_wake_thread(client);
581 break;
582 }
583 break;
584
585 /* --- v4l ioctls --- */
586 /* take care: bttv does userspace copying, we'll get a
587 kernel pointer here... */
588 case VIDIOCGAUDIO:
589 {
590 struct video_audio *va = arg;
591
592 va->flags |= VIDEO_AUDIO_VOLUME | VIDEO_AUDIO_MUTABLE;
593 if (state->has_sound_processing)
594 va->flags |= VIDEO_AUDIO_BALANCE |
595 VIDEO_AUDIO_BASS |
596 VIDEO_AUDIO_TREBLE;
597 if (state->muted)
598 va->flags |= VIDEO_AUDIO_MUTE;
599 va->volume = state->volume;
600 va->balance = state->volume ? state->balance : 32768;
601 va->bass = state->bass;
602 va->treble = state->treble;
603
604 if (state->radio)
605 break;
606 if (state->opmode == OPMODE_AUTOSELECT)
607 msp_detect_stereo(client);
608 va->mode = msp_mode_v4l2_to_v4l1(state->rxsubchans);
609 break;
610 }
611
612 case VIDIOCSAUDIO:
613 {
614 struct video_audio *va = arg;
615
616 state->muted = (va->flags & VIDEO_AUDIO_MUTE);
617 state->volume = va->volume;
618 state->balance = va->balance;
619 state->bass = va->bass;
620 state->treble = va->treble;
621 msp_set_audio(client);
622
623 if (va->mode != 0 && state->radio == 0) {
624 state->audmode = msp_mode_v4l1_to_v4l2(va->mode);
625 msp_set_audmode(client);
626 }
627 break;
628 }
629
630 case VIDIOCSCHAN:
631 {
632 struct video_channel *vc = arg;
633 int update = 0;
634 v4l2_std_id std;
635
636 if (state->radio)
637 update = 1;
638 state->radio = 0;
639 if (vc->norm == VIDEO_MODE_PAL)
640 std = V4L2_STD_PAL;
641 else if (vc->norm == VIDEO_MODE_SECAM)
642 std = V4L2_STD_SECAM;
643 else
644 std = V4L2_STD_NTSC;
645 if (std != state->v4l2_std) {
646 state->v4l2_std = std;
647 update = 1;
648 }
649 if (update)
650 msp_wake_thread(client);
651 break;
652 }
653
654 case VIDIOCSFREQ:
655 case VIDIOC_S_FREQUENCY:
656 {
657 /* new channel -- kick audio carrier scan */
658 msp_wake_thread(client);
659 break;
660 }
661
662 /* --- v4l2 ioctls --- */
663 case VIDIOC_S_STD:
664 {
665 v4l2_std_id *id = arg;
666 int update = state->radio || state->v4l2_std != *id;
667
668 state->v4l2_std = *id;
669 state->radio = 0;
670 if (update)
671 msp_wake_thread(client);
672 return 0;
673 }
674
675 case VIDIOC_INT_G_AUDIO_ROUTING:
676 {
677 struct v4l2_routing *rt = arg;
678
679 *rt = state->routing;
680 break;
681 }
682
683 case VIDIOC_INT_S_AUDIO_ROUTING:
684 {
685 struct v4l2_routing *rt = arg;
686 int tuner = (rt->input >> 3) & 1;
687 int old_tuner = (state->routing.input >> 3) & 1;
688 int sc_in = rt->input & 0x7;
689 int sc1_out = rt->output & 0xf;
690 int sc2_out = (rt->output >> 4) & 0xf;
691 u16 val;
692
693 state->routing = *rt;
694 if (state->opmode == OPMODE_AUTOSELECT) {
695 val = msp_read_dem(client, 0x30) & ~0x100;
696 msp_write_dem(client, 0x30, val | (tuner ? 0x100 : 0));
697 } else {
698 val = msp_read_dem(client, 0xbb) & ~0x100;
699 msp_write_dem(client, 0xbb, val | (tuner ? 0x100 : 0));
700 }
701 msp_set_scart(client, sc_in, 0);
702 msp_set_scart(client, sc1_out, 1);
703 msp_set_scart(client, sc2_out, 2);
704 msp_set_audmode(client);
705 if (tuner != old_tuner)
706 msp_wake_thread(client);
707 break;
708 }
709
710 case VIDIOC_G_TUNER:
711 {
712 struct v4l2_tuner *vt = arg;
713
714 if (state->radio)
715 break;
716 if (state->opmode == OPMODE_AUTOSELECT)
717 msp_detect_stereo(client);
718 vt->audmode = state->audmode;
719 vt->rxsubchans = state->rxsubchans;
720 vt->capability = V4L2_TUNER_CAP_STEREO |
721 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
722 break;
723 }
724
725 case VIDIOC_S_TUNER:
726 {
727 struct v4l2_tuner *vt = (struct v4l2_tuner *)arg;
728
729 if (state->radio) /* TODO: add mono/stereo support for radio */
730 break;
731 state->audmode = vt->audmode;
732 /* only set audmode */
733 msp_set_audmode(client);
734 break;
735 }
736
737 case VIDIOC_G_AUDOUT:
738 {
739 struct v4l2_audioout *a = (struct v4l2_audioout *)arg;
740 int idx = a->index;
741
742 memset(a, 0, sizeof(*a));
743
744 switch (idx) {
745 case 0:
746 strcpy(a->name, "Scart1 Out");
747 break;
748 case 1:
749 strcpy(a->name, "Scart2 Out");
750 break;
751 case 2:
752 strcpy(a->name, "I2S Out");
753 break;
754 default:
755 return -EINVAL;
756 }
757 break;
758 }
759
760 case VIDIOC_S_AUDOUT:
761 {
762 struct v4l2_audioout *a = (struct v4l2_audioout *)arg;
763
764 if (a->index < 0 || a->index > 2)
765 return -EINVAL;
766
767 v4l_dbg(1, msp_debug, client, "Setting audio out on msp34xx to input %i\n", a->index);
768 msp_set_scart(client, state->in_scart, a->index + 1);
769
770 break;
771 }
772
773 case VIDIOC_INT_I2S_CLOCK_FREQ:
774 {
775 u32 *a = (u32 *)arg;
776
777 v4l_dbg(1, msp_debug, client, "Setting I2S speed to %d\n", *a);
778
779 switch (*a) {
780 case 1024000:
781 state->i2s_mode = 0;
782 break;
783 case 2048000:
784 state->i2s_mode = 1;
785 break;
786 default:
787 return -EINVAL;
788 }
789 break;
790 }
791
792 case VIDIOC_QUERYCTRL:
793 {
794 struct v4l2_queryctrl *qc = arg;
795 int i;
796
797 for (i = 0; i < ARRAY_SIZE(msp_qctrl_std); i++)
798 if (qc->id && qc->id == msp_qctrl_std[i].id) {
799 memcpy(qc, &msp_qctrl_std[i], sizeof(*qc));
800 return 0;
801 }
802 if (!state->has_sound_processing)
803 return -EINVAL;
804 for (i = 0; i < ARRAY_SIZE(msp_qctrl_sound_processing); i++)
805 if (qc->id && qc->id == msp_qctrl_sound_processing[i].id) {
806 memcpy(qc, &msp_qctrl_sound_processing[i], sizeof(*qc));
807 return 0;
808 }
809 return -EINVAL;
810 }
811
812 case VIDIOC_G_CTRL:
813 return msp_get_ctrl(client, arg);
814
815 case VIDIOC_S_CTRL:
816 return msp_set_ctrl(client, arg);
817
818 case VIDIOC_LOG_STATUS:
819 {
820 const char *p;
821
822 if (state->opmode == OPMODE_AUTOSELECT)
823 msp_detect_stereo(client);
824 v4l_info(client, "%s rev1 = 0x%04x rev2 = 0x%04x\n",
825 client->name, state->rev1, state->rev2);
826 v4l_info(client, "Audio: volume %d%s\n",
827 state->volume, state->muted ? " (muted)" : "");
828 if (state->has_sound_processing) {
829 v4l_info(client, "Audio: balance %d bass %d treble %d loudness %s\n",
830 state->balance, state->bass, state->treble,
831 state->loudness ? "on" : "off");
832 }
833 switch (state->mode) {
834 case MSP_MODE_AM_DETECT: p = "AM (for carrier detect)"; break;
835 case MSP_MODE_FM_RADIO: p = "FM Radio"; break;
836 case MSP_MODE_FM_TERRA: p = "Terrestial FM-mono + FM-stereo"; break;
837 case MSP_MODE_FM_SAT: p = "Satellite FM-mono"; break;
838 case MSP_MODE_FM_NICAM1: p = "NICAM/FM (B/G, D/K)"; break;
839 case MSP_MODE_FM_NICAM2: p = "NICAM/FM (I)"; break;
840 case MSP_MODE_AM_NICAM: p = "NICAM/AM (L)"; break;
841 case MSP_MODE_BTSC: p = "BTSC"; break;
842 case MSP_MODE_EXTERN: p = "External input"; break;
843 default: p = "unknown"; break;
844 }
845 if (state->opmode == OPMODE_MANUAL) {
846 v4l_info(client, "Mode: %s (%s%s)\n", p,
847 (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono",
848 (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : "");
849 } else {
850 if (state->opmode == OPMODE_AUTODETECT)
851 v4l_info(client, "Mode: %s\n", p);
852 v4l_info(client, "Standard: %s (%s%s)\n",
853 msp_standard_std_name(state->std),
854 (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono",
855 (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : "");
856 }
857 v4l_info(client, "Audmode: 0x%04x\n", state->audmode);
858 v4l_info(client, "ACB: 0x%04x\n", state->acb);
859 break;
860 }
861
862 default:
863 /* unknown */
864 return -EINVAL;
865 }
866 return 0;
867 }
868
869 static int msp_suspend(struct device * dev, pm_message_t state)
870 {
871 struct i2c_client *client = container_of(dev, struct i2c_client, dev);
872
873 v4l_dbg(1, msp_debug, client, "suspend\n");
874 msp_reset(client);
875 return 0;
876 }
877
878 static int msp_resume(struct device * dev)
879 {
880 struct i2c_client *client = container_of(dev, struct i2c_client, dev);
881
882 v4l_dbg(1, msp_debug, client, "resume\n");
883 msp_wake_thread(client);
884 return 0;
885 }
886
887 /* ----------------------------------------------------------------------- */
888
889 static struct i2c_driver i2c_driver;
890
891 static int msp_attach(struct i2c_adapter *adapter, int address, int kind)
892 {
893 struct i2c_client *client;
894 struct msp_state *state;
895 int (*thread_func)(void *data) = NULL;
896 int msp_hard;
897 int msp_family;
898 int msp_revision;
899 int msp_product, msp_prod_hi, msp_prod_lo;
900 int msp_rom;
901
902 client = kmalloc(sizeof(*client), GFP_KERNEL);
903 if (client == NULL)
904 return -ENOMEM;
905 memset(client, 0, sizeof(*client));
906 client->addr = address;
907 client->adapter = adapter;
908 client->driver = &i2c_driver;
909 snprintf(client->name, sizeof(client->name) - 1, "msp3400");
910
911 if (msp_reset(client) == -1) {
912 v4l_dbg(1, msp_debug, client, "msp3400 not found\n");
913 kfree(client);
914 return -1;
915 }
916
917 state = kmalloc(sizeof(*state), GFP_KERNEL);
918 if (state == NULL) {
919 kfree(client);
920 return -ENOMEM;
921 }
922 i2c_set_clientdata(client, state);
923
924 memset(state, 0, sizeof(*state));
925 state->v4l2_std = V4L2_STD_NTSC;
926 state->audmode = V4L2_TUNER_MODE_LANG1;
927 state->volume = 58880; /* 0db gain */
928 state->balance = 32768; /* 0db gain */
929 state->bass = 32768;
930 state->treble = 32768;
931 state->loudness = 0;
932 state->input = -1;
933 state->muted = 0;
934 state->i2s_mode = 0;
935 init_waitqueue_head(&state->wq);
936 /* These are the reset input/output positions */
937 state->routing.input = MSP_INPUT_DEFAULT;
938 state->routing.output = MSP_OUTPUT_DEFAULT;
939
940 state->rev1 = msp_read_dsp(client, 0x1e);
941 if (state->rev1 != -1)
942 state->rev2 = msp_read_dsp(client, 0x1f);
943 v4l_dbg(1, msp_debug, client, "rev1=0x%04x, rev2=0x%04x\n", state->rev1, state->rev2);
944 if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) {
945 v4l_dbg(1, msp_debug, client, "not an msp3400 (cannot read chip version)\n");
946 kfree(state);
947 kfree(client);
948 return -1;
949 }
950
951 msp_set_audio(client);
952
953 msp_family = ((state->rev1 >> 4) & 0x0f) + 3;
954 msp_product = (state->rev2 >> 8) & 0xff;
955 msp_prod_hi = msp_product / 10;
956 msp_prod_lo = msp_product % 10;
957 msp_revision = (state->rev1 & 0x0f) + '@';
958 msp_hard = ((state->rev1 >> 8) & 0xff) + '@';
959 msp_rom = state->rev2 & 0x1f;
960 snprintf(client->name, sizeof(client->name), "MSP%d4%02d%c-%c%d",
961 msp_family, msp_product,
962 msp_revision, msp_hard, msp_rom);
963
964 /* Has NICAM support: all mspx41x and mspx45x products have NICAM */
965 state->has_nicam = msp_prod_hi == 1 || msp_prod_hi == 5;
966 /* Has radio support: was added with revision G */
967 state->has_radio = msp_revision >= 'G';
968 /* Has headphones output: not for stripped down products */
969 state->has_headphones = msp_prod_lo < 5;
970 /* Has scart4 input: not in pre D revisions, not in stripped D revs */
971 state->has_scart4 = msp_family >= 4 || (msp_revision >= 'D' && msp_prod_lo < 5);
972 /* Has scart2 and scart3 inputs and scart2 output: not in stripped
973 down products of the '3' family */
974 state->has_scart23_in_scart2_out = msp_family >= 4 || msp_prod_lo < 5;
975 /* Has scart2 a volume control? Not in pre-D revisions. */
976 state->has_scart2_out_volume = msp_revision > 'C' && state->has_scart23_in_scart2_out;
977 /* Has a configurable i2s out? */
978 state->has_i2s_conf = msp_revision >= 'G' && msp_prod_lo < 7;
979 /* Has subwoofer output: not in pre-D revs and not in stripped down products */
980 state->has_subwoofer = msp_revision >= 'D' && msp_prod_lo < 5;
981 /* Has soundprocessing (bass/treble/balance/loudness/equalizer): not in
982 stripped down products */
983 state->has_sound_processing = msp_prod_lo < 7;
984 /* Has Virtual Dolby Surround: only in msp34x1 */
985 state->has_virtual_dolby_surround = msp_revision == 'G' && msp_prod_lo == 1;
986 /* Has Virtual Dolby Surround & Dolby Pro Logic: only in msp34x2 */
987 state->has_dolby_pro_logic = msp_revision == 'G' && msp_prod_lo == 2;
988
989 state->opmode = opmode;
990 if (state->opmode == OPMODE_AUTO) {
991 /* MSP revision G and up have both autodetect and autoselect */
992 if (msp_revision >= 'G')
993 state->opmode = OPMODE_AUTOSELECT;
994 /* MSP revision D and up have autodetect */
995 else if (msp_revision >= 'D')
996 state->opmode = OPMODE_AUTODETECT;
997 else
998 state->opmode = OPMODE_MANUAL;
999 }
1000
1001 /* hello world :-) */
1002 v4l_info(client, "%s found @ 0x%x (%s)\n", client->name, address << 1, adapter->name);
1003 v4l_info(client, "%s ", client->name);
1004 if (state->has_nicam && state->has_radio)
1005 printk("supports nicam and radio, ");
1006 else if (state->has_nicam)
1007 printk("supports nicam, ");
1008 else if (state->has_radio)
1009 printk("supports radio, ");
1010 printk("mode is ");
1011
1012 /* version-specific initialization */
1013 switch (state->opmode) {
1014 case OPMODE_MANUAL:
1015 printk("manual");
1016 thread_func = msp3400c_thread;
1017 break;
1018 case OPMODE_AUTODETECT:
1019 printk("autodetect");
1020 thread_func = msp3410d_thread;
1021 break;
1022 case OPMODE_AUTOSELECT:
1023 printk("autodetect and autoselect");
1024 thread_func = msp34xxg_thread;
1025 break;
1026 }
1027 printk("\n");
1028
1029 /* startup control thread if needed */
1030 if (thread_func) {
1031 state->kthread = kthread_run(thread_func, client, "msp34xx");
1032
1033 if (state->kthread == NULL)
1034 v4l_warn(client, "kernel_thread() failed\n");
1035 msp_wake_thread(client);
1036 }
1037
1038 /* done */
1039 i2c_attach_client(client);
1040
1041 return 0;
1042 }
1043
1044 static int msp_probe(struct i2c_adapter *adapter)
1045 {
1046 if (adapter->class & I2C_CLASS_TV_ANALOG)
1047 return i2c_probe(adapter, &addr_data, msp_attach);
1048 return 0;
1049 }
1050
1051 static int msp_detach(struct i2c_client *client)
1052 {
1053 struct msp_state *state = i2c_get_clientdata(client);
1054 int err;
1055
1056 /* shutdown control thread */
1057 if (state->kthread) {
1058 state->restart = 1;
1059 kthread_stop(state->kthread);
1060 }
1061 msp_reset(client);
1062
1063 err = i2c_detach_client(client);
1064 if (err) {
1065 return err;
1066 }
1067
1068 kfree(state);
1069 kfree(client);
1070 return 0;
1071 }
1072
1073 /* ----------------------------------------------------------------------- */
1074
1075 /* i2c implementation */
1076 static struct i2c_driver i2c_driver = {
1077 .id = I2C_DRIVERID_MSP3400,
1078 .attach_adapter = msp_probe,
1079 .detach_client = msp_detach,
1080 .command = msp_command,
1081 .driver = {
1082 .name = "msp3400",
1083 .suspend = msp_suspend,
1084 .resume = msp_resume,
1085 },
1086 };
1087
1088 static int __init msp3400_init_module(void)
1089 {
1090 return i2c_add_driver(&i2c_driver);
1091 }
1092
1093 static void __exit msp3400_cleanup_module(void)
1094 {
1095 i2c_del_driver(&i2c_driver);
1096 }
1097
1098 module_init(msp3400_init_module);
1099 module_exit(msp3400_cleanup_module);
1100
1101 /*
1102 * Overrides for Emacs so that we follow Linus's tabbing style.
1103 * ---------------------------------------------------------------------------
1104 * Local variables:
1105 * c-basic-offset: 8
1106 * End:
1107 */
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