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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
46 * 02110-1301, USA.
47 */
48
49
50#include <linux/kernel.h>
51#include <linux/module.h>
52#include <linux/slab.h>
53#include <linux/i2c.h>
54#include <linux/kthread.h>
55#include <linux/freezer.h>
56#include <linux/videodev2.h>
57#include <media/v4l2-device.h>
58#include <media/v4l2-ioctl.h>
59#include <media/msp3400.h>
60#include <media/tvaudio.h>
61#include "msp3400-driver.h"
62
63/* ---------------------------------------------------------------------- */
64
65MODULE_DESCRIPTION("device driver for msp34xx TV sound processor");
66MODULE_AUTHOR("Gerd Knorr");
67MODULE_LICENSE("GPL");
68
69/* module parameters */
70static int opmode = OPMODE_AUTO;
71int msp_debug; /* msp_debug output */
72bool msp_once; /* no continuous stereo monitoring */
73bool msp_amsound; /* hard-wire AM sound at 6.5 Hz (france),
74 the autoscan seems work well only with FM... */
75int msp_standard = 1; /* Override auto detect of audio msp_standard,
76 if needed. */
77bool msp_dolby;
78
79int msp_stereo_thresh = 0x190; /* a2 threshold for stereo/bilingual
80 (msp34xxg only) 0x00a0-0x03c0 */
81
82/* read-only */
83module_param(opmode, int, 0444);
84
85/* read-write */
86module_param_named(once, msp_once, bool, 0644);
87module_param_named(debug, msp_debug, int, 0644);
88module_param_named(stereo_threshold, msp_stereo_thresh, int, 0644);
89module_param_named(standard, msp_standard, int, 0644);
90module_param_named(amsound, msp_amsound, bool, 0644);
91module_param_named(dolby, msp_dolby, bool, 0644);
92
93MODULE_PARM_DESC(opmode, "Forces a MSP3400 opmode. 0=Manual, 1=Autodetect, 2=Autodetect and autoselect");
94MODULE_PARM_DESC(once, "No continuous stereo monitoring");
95MODULE_PARM_DESC(debug, "Enable debug messages [0-3]");
96MODULE_PARM_DESC(stereo_threshold, "Sets signal threshold to activate stereo");
97MODULE_PARM_DESC(standard, "Specify audio standard: 32 = NTSC, 64 = radio, Default: Autodetect");
98MODULE_PARM_DESC(amsound, "Hardwire AM sound at 6.5Hz (France), FM can autoscan");
99MODULE_PARM_DESC(dolby, "Activates Dolby processing");
100
101/* ---------------------------------------------------------------------- */
102
103/* control subaddress */
104#define I2C_MSP_CONTROL 0x00
105/* demodulator unit subaddress */
106#define I2C_MSP_DEM 0x10
107/* DSP unit subaddress */
108#define I2C_MSP_DSP 0x12
109
110
111/* ----------------------------------------------------------------------- */
112/* functions for talking to the MSP3400C Sound processor */
113
114int msp_reset(struct i2c_client *client)
115{
116 /* reset and read revision code */
117 static u8 reset_off[3] = { I2C_MSP_CONTROL, 0x80, 0x00 };
118 static u8 reset_on[3] = { I2C_MSP_CONTROL, 0x00, 0x00 };
119 static u8 write[3] = { I2C_MSP_DSP + 1, 0x00, 0x1e };
120 u8 read[2];
121 struct i2c_msg reset[2] = {
122 { client->addr, I2C_M_IGNORE_NAK, 3, reset_off },
123 { client->addr, I2C_M_IGNORE_NAK, 3, reset_on },
124 };
125 struct i2c_msg test[2] = {
126 { client->addr, 0, 3, write },
127 { client->addr, I2C_M_RD, 2, read },
128 };
129
130 v4l_dbg(3, msp_debug, client, "msp_reset\n");
131 if (i2c_transfer(client->adapter, &reset[0], 1) != 1 ||
132 i2c_transfer(client->adapter, &reset[1], 1) != 1 ||
133 i2c_transfer(client->adapter, test, 2) != 2) {
134 v4l_err(client, "chip reset failed\n");
135 return -1;
136 }
137 return 0;
138}
139
140static int msp_read(struct i2c_client *client, int dev, int addr)
141{
142 int err, retval;
143 u8 write[3];
144 u8 read[2];
145 struct i2c_msg msgs[2] = {
146 { client->addr, 0, 3, write },
147 { client->addr, I2C_M_RD, 2, read }
148 };
149
150 write[0] = dev + 1;
151 write[1] = addr >> 8;
152 write[2] = addr & 0xff;
153
154 for (err = 0; err < 3; err++) {
155 if (i2c_transfer(client->adapter, msgs, 2) == 2)
156 break;
157 v4l_warn(client, "I/O error #%d (read 0x%02x/0x%02x)\n", err,
158 dev, addr);
159 schedule_timeout_interruptible(msecs_to_jiffies(10));
160 }
161 if (err == 3) {
162 v4l_warn(client, "resetting chip, sound will go off.\n");
163 msp_reset(client);
164 return -1;
165 }
166 retval = read[0] << 8 | read[1];
167 v4l_dbg(3, msp_debug, client, "msp_read(0x%x, 0x%x): 0x%x\n",
168 dev, addr, retval);
169 return retval;
170}
171
172int msp_read_dem(struct i2c_client *client, int addr)
173{
174 return msp_read(client, I2C_MSP_DEM, addr);
175}
176
177int msp_read_dsp(struct i2c_client *client, int addr)
178{
179 return msp_read(client, I2C_MSP_DSP, addr);
180}
181
182static int msp_write(struct i2c_client *client, int dev, int addr, int val)
183{
184 int err;
185 u8 buffer[5];
186
187 buffer[0] = dev;
188 buffer[1] = addr >> 8;
189 buffer[2] = addr & 0xff;
190 buffer[3] = val >> 8;
191 buffer[4] = val & 0xff;
192
193 v4l_dbg(3, msp_debug, client, "msp_write(0x%x, 0x%x, 0x%x)\n",
194 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 schedule_timeout_interruptible(msecs_to_jiffies(10));
201 }
202 if (err == 3) {
203 v4l_warn(client, "resetting chip, sound will go off.\n");
204 msp_reset(client);
205 return -1;
206 }
207 return 0;
208}
209
210int msp_write_dem(struct i2c_client *client, int addr, int val)
211{
212 return msp_write(client, I2C_MSP_DEM, addr, val);
213}
214
215int msp_write_dsp(struct i2c_client *client, int addr, int val)
216{
217 return msp_write(client, I2C_MSP_DSP, addr, val);
218}
219
220/* ----------------------------------------------------------------------- *
221 * bits 9 8 5 - SCART DSP input Select:
222 * 0 0 0 - SCART 1 to DSP input (reset position)
223 * 0 1 0 - MONO to DSP input
224 * 1 0 0 - SCART 2 to DSP input
225 * 1 1 1 - Mute DSP input
226 *
227 * bits 11 10 6 - SCART 1 Output Select:
228 * 0 0 0 - undefined (reset position)
229 * 0 1 0 - SCART 2 Input to SCART 1 Output (for devices with 2 SCARTS)
230 * 1 0 0 - MONO input to SCART 1 Output
231 * 1 1 0 - SCART 1 DA to SCART 1 Output
232 * 0 0 1 - SCART 2 DA to SCART 1 Output
233 * 0 1 1 - SCART 1 Input to SCART 1 Output
234 * 1 1 1 - Mute SCART 1 Output
235 *
236 * bits 13 12 7 - SCART 2 Output Select (for devices with 2 Output SCART):
237 * 0 0 0 - SCART 1 DA to SCART 2 Output (reset position)
238 * 0 1 0 - SCART 1 Input to SCART 2 Output
239 * 1 0 0 - MONO input to SCART 2 Output
240 * 0 0 1 - SCART 2 DA to SCART 2 Output
241 * 0 1 1 - SCART 2 Input to SCART 2 Output
242 * 1 1 0 - Mute SCART 2 Output
243 *
244 * Bits 4 to 0 should be zero.
245 * ----------------------------------------------------------------------- */
246
247static int scarts[3][9] = {
248 /* MASK IN1 IN2 IN3 IN4 IN1_DA IN2_DA MONO MUTE */
249 /* SCART DSP Input select */
250 { 0x0320, 0x0000, 0x0200, 0x0300, 0x0020, -1, -1, 0x0100, 0x0320 },
251 /* SCART1 Output select */
252 { 0x0c40, 0x0440, 0x0400, 0x0000, 0x0840, 0x0c00, 0x0040, 0x0800, 0x0c40 },
253 /* SCART2 Output select */
254 { 0x3080, 0x1000, 0x1080, 0x2080, 0x3080, 0x0000, 0x0080, 0x2000, 0x3000 },
255};
256
257static char *scart_names[] = {
258 "in1", "in2", "in3", "in4", "in1 da", "in2 da", "mono", "mute"
259};
260
261void msp_set_scart(struct i2c_client *client, int in, int out)
262{
263 struct msp_state *state = to_state(i2c_get_clientdata(client));
264
265 state->in_scart = in;
266
267 if (in >= 0 && in <= 7 && out >= 0 && out <= 2) {
268 if (-1 == scarts[out][in + 1])
269 return;
270
271 state->acb &= ~scarts[out][0];
272 state->acb |= scarts[out][in + 1];
273 } else
274 state->acb = 0xf60; /* Mute Input and SCART 1 Output */
275
276 v4l_dbg(1, msp_debug, client, "scart switch: %s => %d (ACB=0x%04x)\n",
277 scart_names[in], out, state->acb);
278 msp_write_dsp(client, 0x13, state->acb);
279
280 /* Sets I2S speed 0 = 1.024 Mbps, 1 = 2.048 Mbps */
281 if (state->has_i2s_conf)
282 msp_write_dem(client, 0x40, state->i2s_mode);
283}
284
285/* ------------------------------------------------------------------------ */
286
287static void msp_wake_thread(struct i2c_client *client)
288{
289 struct msp_state *state = to_state(i2c_get_clientdata(client));
290
291 if (NULL == state->kthread)
292 return;
293 state->watch_stereo = 0;
294 state->restart = 1;
295 wake_up_interruptible(&state->wq);
296}
297
298int msp_sleep(struct msp_state *state, int timeout)
299{
300 DECLARE_WAITQUEUE(wait, current);
301
302 add_wait_queue(&state->wq, &wait);
303 if (!kthread_should_stop()) {
304 if (timeout < 0) {
305 set_current_state(TASK_INTERRUPTIBLE);
306 schedule();
307 } else {
308 schedule_timeout_interruptible
309 (msecs_to_jiffies(timeout));
310 }
311 }
312
313 remove_wait_queue(&state->wq, &wait);
314 try_to_freeze();
315 return state->restart;
316}
317
318/* ------------------------------------------------------------------------ */
319
320static int msp_s_ctrl(struct v4l2_ctrl *ctrl)
321{
322 struct msp_state *state = ctrl_to_state(ctrl);
323 struct i2c_client *client = v4l2_get_subdevdata(&state->sd);
324 int val = ctrl->val;
325
326 switch (ctrl->id) {
327 case V4L2_CID_AUDIO_VOLUME: {
328 /* audio volume cluster */
329 int reallymuted = state->muted->val | state->scan_in_progress;
330
331 if (!reallymuted)
332 val = (val * 0x7f / 65535) << 8;
333
334 v4l_dbg(1, msp_debug, client, "mute=%s scanning=%s volume=%d\n",
335 state->muted->val ? "on" : "off",
336 state->scan_in_progress ? "yes" : "no",
337 state->volume->val);
338
339 msp_write_dsp(client, 0x0000, val);
340 msp_write_dsp(client, 0x0007, reallymuted ? 0x1 : (val | 0x1));
341 if (state->has_scart2_out_volume)
342 msp_write_dsp(client, 0x0040, reallymuted ? 0x1 : (val | 0x1));
343 if (state->has_headphones)
344 msp_write_dsp(client, 0x0006, val);
345 break;
346 }
347
348 case V4L2_CID_AUDIO_BASS:
349 val = ((val - 32768) * 0x60 / 65535) << 8;
350 msp_write_dsp(client, 0x0002, val);
351 if (state->has_headphones)
352 msp_write_dsp(client, 0x0031, val);
353 break;
354
355 case V4L2_CID_AUDIO_TREBLE:
356 val = ((val - 32768) * 0x60 / 65535) << 8;
357 msp_write_dsp(client, 0x0003, val);
358 if (state->has_headphones)
359 msp_write_dsp(client, 0x0032, val);
360 break;
361
362 case V4L2_CID_AUDIO_LOUDNESS:
363 val = val ? ((5 * 4) << 8) : 0;
364 msp_write_dsp(client, 0x0004, val);
365 if (state->has_headphones)
366 msp_write_dsp(client, 0x0033, val);
367 break;
368
369 case V4L2_CID_AUDIO_BALANCE:
370 val = (u8)((val / 256) - 128);
371 msp_write_dsp(client, 0x0001, val << 8);
372 if (state->has_headphones)
373 msp_write_dsp(client, 0x0030, val << 8);
374 break;
375
376 default:
377 return -EINVAL;
378 }
379 return 0;
380}
381
382void msp_update_volume(struct msp_state *state)
383{
384 /* Force an update of the volume/mute cluster */
385 v4l2_ctrl_lock(state->volume);
386 state->volume->val = state->volume->cur.val;
387 state->muted->val = state->muted->cur.val;
388 msp_s_ctrl(state->volume);
389 v4l2_ctrl_unlock(state->volume);
390}
391
392/* --- v4l2 ioctls --- */
393static int msp_s_radio(struct v4l2_subdev *sd)
394{
395 struct msp_state *state = to_state(sd);
396 struct i2c_client *client = v4l2_get_subdevdata(sd);
397
398 if (state->radio)
399 return 0;
400 state->radio = 1;
401 v4l_dbg(1, msp_debug, client, "switching to radio mode\n");
402 state->watch_stereo = 0;
403 switch (state->opmode) {
404 case OPMODE_MANUAL:
405 /* set msp3400 to FM radio mode */
406 msp3400c_set_mode(client, MSP_MODE_FM_RADIO);
407 msp3400c_set_carrier(client, MSP_CARRIER(10.7),
408 MSP_CARRIER(10.7));
409 msp_update_volume(state);
410 break;
411 case OPMODE_AUTODETECT:
412 case OPMODE_AUTOSELECT:
413 /* the thread will do for us */
414 msp_wake_thread(client);
415 break;
416 }
417 return 0;
418}
419
420static int msp_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
421{
422 struct i2c_client *client = v4l2_get_subdevdata(sd);
423
424 /* new channel -- kick audio carrier scan */
425 msp_wake_thread(client);
426 return 0;
427}
428
429static int msp_querystd(struct v4l2_subdev *sd, v4l2_std_id *id)
430{
431 struct msp_state *state = to_state(sd);
432 struct i2c_client *client = v4l2_get_subdevdata(sd);
433
434 *id &= state->detected_std;
435
436 v4l_dbg(2, msp_debug, client,
437 "detected standard: %s(0x%08Lx)\n",
438 msp_standard_std_name(state->std), state->detected_std);
439
440 return 0;
441}
442
443static int msp_s_std(struct v4l2_subdev *sd, v4l2_std_id id)
444{
445 struct msp_state *state = to_state(sd);
446 struct i2c_client *client = v4l2_get_subdevdata(sd);
447 int update = state->radio || state->v4l2_std != id;
448
449 state->v4l2_std = id;
450 state->radio = 0;
451 if (update)
452 msp_wake_thread(client);
453 return 0;
454}
455
456static int msp_s_routing(struct v4l2_subdev *sd,
457 u32 input, u32 output, u32 config)
458{
459 struct msp_state *state = to_state(sd);
460 struct i2c_client *client = v4l2_get_subdevdata(sd);
461 int tuner = (input >> 3) & 1;
462 int sc_in = input & 0x7;
463 int sc1_out = output & 0xf;
464 int sc2_out = (output >> 4) & 0xf;
465 u16 val, reg;
466 int i;
467 int extern_input = 1;
468
469 if (state->route_in == input && state->route_out == output)
470 return 0;
471 state->route_in = input;
472 state->route_out = output;
473 /* check if the tuner input is used */
474 for (i = 0; i < 5; i++) {
475 if (((input >> (4 + i * 4)) & 0xf) == 0)
476 extern_input = 0;
477 }
478 state->mode = extern_input ? MSP_MODE_EXTERN : MSP_MODE_AM_DETECT;
479 state->rxsubchans = V4L2_TUNER_SUB_STEREO;
480 msp_set_scart(client, sc_in, 0);
481 msp_set_scart(client, sc1_out, 1);
482 msp_set_scart(client, sc2_out, 2);
483 msp_set_audmode(client);
484 reg = (state->opmode == OPMODE_AUTOSELECT) ? 0x30 : 0xbb;
485 val = msp_read_dem(client, reg);
486 msp_write_dem(client, reg, (val & ~0x100) | (tuner << 8));
487 /* wake thread when a new input is chosen */
488 msp_wake_thread(client);
489 return 0;
490}
491
492static int msp_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
493{
494 struct msp_state *state = to_state(sd);
495 struct i2c_client *client = v4l2_get_subdevdata(sd);
496
497 if (vt->type != V4L2_TUNER_ANALOG_TV)
498 return 0;
499 if (!state->radio) {
500 if (state->opmode == OPMODE_AUTOSELECT)
501 msp_detect_stereo(client);
502 vt->rxsubchans = state->rxsubchans;
503 }
504 vt->audmode = state->audmode;
505 vt->capability |= V4L2_TUNER_CAP_STEREO |
506 V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2;
507 return 0;
508}
509
510static int msp_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
511{
512 struct msp_state *state = to_state(sd);
513 struct i2c_client *client = v4l2_get_subdevdata(sd);
514
515 if (state->radio) /* TODO: add mono/stereo support for radio */
516 return 0;
517 if (state->audmode == vt->audmode)
518 return 0;
519 state->audmode = vt->audmode;
520 /* only set audmode */
521 msp_set_audmode(client);
522 return 0;
523}
524
525static int msp_s_i2s_clock_freq(struct v4l2_subdev *sd, u32 freq)
526{
527 struct msp_state *state = to_state(sd);
528 struct i2c_client *client = v4l2_get_subdevdata(sd);
529
530 v4l_dbg(1, msp_debug, client, "Setting I2S speed to %d\n", freq);
531
532 switch (freq) {
533 case 1024000:
534 state->i2s_mode = 0;
535 break;
536 case 2048000:
537 state->i2s_mode = 1;
538 break;
539 default:
540 return -EINVAL;
541 }
542 return 0;
543}
544
545static int msp_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
546{
547 struct msp_state *state = to_state(sd);
548 struct i2c_client *client = v4l2_get_subdevdata(sd);
549
550 return v4l2_chip_ident_i2c_client(client, chip, state->ident,
551 (state->rev1 << 16) | state->rev2);
552}
553
554static int msp_log_status(struct v4l2_subdev *sd)
555{
556 struct msp_state *state = to_state(sd);
557 struct i2c_client *client = v4l2_get_subdevdata(sd);
558 const char *p;
559 char prefix[V4L2_SUBDEV_NAME_SIZE + 20];
560
561 if (state->opmode == OPMODE_AUTOSELECT)
562 msp_detect_stereo(client);
563 v4l_info(client, "%s rev1 = 0x%04x rev2 = 0x%04x\n",
564 client->name, state->rev1, state->rev2);
565 snprintf(prefix, sizeof(prefix), "%s: Audio: ", sd->name);
566 v4l2_ctrl_handler_log_status(&state->hdl, prefix);
567 switch (state->mode) {
568 case MSP_MODE_AM_DETECT: p = "AM (for carrier detect)"; break;
569 case MSP_MODE_FM_RADIO: p = "FM Radio"; break;
570 case MSP_MODE_FM_TERRA: p = "Terrestrial FM-mono/stereo"; break;
571 case MSP_MODE_FM_SAT: p = "Satellite FM-mono"; break;
572 case MSP_MODE_FM_NICAM1: p = "NICAM/FM (B/G, D/K)"; break;
573 case MSP_MODE_FM_NICAM2: p = "NICAM/FM (I)"; break;
574 case MSP_MODE_AM_NICAM: p = "NICAM/AM (L)"; break;
575 case MSP_MODE_BTSC: p = "BTSC"; break;
576 case MSP_MODE_EXTERN: p = "External input"; break;
577 default: p = "unknown"; break;
578 }
579 if (state->mode == MSP_MODE_EXTERN) {
580 v4l_info(client, "Mode: %s\n", p);
581 } else if (state->opmode == OPMODE_MANUAL) {
582 v4l_info(client, "Mode: %s (%s%s)\n", p,
583 (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono",
584 (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : "");
585 } else {
586 if (state->opmode == OPMODE_AUTODETECT)
587 v4l_info(client, "Mode: %s\n", p);
588 v4l_info(client, "Standard: %s (%s%s)\n",
589 msp_standard_std_name(state->std),
590 (state->rxsubchans & V4L2_TUNER_SUB_STEREO) ? "stereo" : "mono",
591 (state->rxsubchans & V4L2_TUNER_SUB_LANG2) ? ", dual" : "");
592 }
593 v4l_info(client, "Audmode: 0x%04x\n", state->audmode);
594 v4l_info(client, "Routing: 0x%08x (input) 0x%08x (output)\n",
595 state->route_in, state->route_out);
596 v4l_info(client, "ACB: 0x%04x\n", state->acb);
597 return 0;
598}
599
600#ifdef CONFIG_PM_SLEEP
601static int msp_suspend(struct device *dev)
602{
603 struct i2c_client *client = to_i2c_client(dev);
604 v4l_dbg(1, msp_debug, client, "suspend\n");
605 msp_reset(client);
606 return 0;
607}
608
609static int msp_resume(struct device *dev)
610{
611 struct i2c_client *client = to_i2c_client(dev);
612 v4l_dbg(1, msp_debug, client, "resume\n");
613 msp_wake_thread(client);
614 return 0;
615}
616#endif
617
618/* ----------------------------------------------------------------------- */
619
620static const struct v4l2_ctrl_ops msp_ctrl_ops = {
621 .s_ctrl = msp_s_ctrl,
622};
623
624static const struct v4l2_subdev_core_ops msp_core_ops = {
625 .log_status = msp_log_status,
626 .g_chip_ident = msp_g_chip_ident,
627 .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
628 .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
629 .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
630 .g_ctrl = v4l2_subdev_g_ctrl,
631 .s_ctrl = v4l2_subdev_s_ctrl,
632 .queryctrl = v4l2_subdev_queryctrl,
633 .querymenu = v4l2_subdev_querymenu,
634 .s_std = msp_s_std,
635};
636
637static const struct v4l2_subdev_video_ops msp_video_ops = {
638 .querystd = msp_querystd,
639};
640
641static const struct v4l2_subdev_tuner_ops msp_tuner_ops = {
642 .s_frequency = msp_s_frequency,
643 .g_tuner = msp_g_tuner,
644 .s_tuner = msp_s_tuner,
645 .s_radio = msp_s_radio,
646};
647
648static const struct v4l2_subdev_audio_ops msp_audio_ops = {
649 .s_routing = msp_s_routing,
650 .s_i2s_clock_freq = msp_s_i2s_clock_freq,
651};
652
653static const struct v4l2_subdev_ops msp_ops = {
654 .core = &msp_core_ops,
655 .video = &msp_video_ops,
656 .tuner = &msp_tuner_ops,
657 .audio = &msp_audio_ops,
658};
659
660/* ----------------------------------------------------------------------- */
661
662static int msp_probe(struct i2c_client *client, const struct i2c_device_id *id)
663{
664 struct msp_state *state;
665 struct v4l2_subdev *sd;
666 struct v4l2_ctrl_handler *hdl;
667 int (*thread_func)(void *data) = NULL;
668 int msp_hard;
669 int msp_family;
670 int msp_revision;
671 int msp_product, msp_prod_hi, msp_prod_lo;
672 int msp_rom;
673
674 if (!id)
675 strlcpy(client->name, "msp3400", sizeof(client->name));
676
677 if (msp_reset(client) == -1) {
678 v4l_dbg(1, msp_debug, client, "msp3400 not found\n");
679 return -ENODEV;
680 }
681
682 state = kzalloc(sizeof(*state), GFP_KERNEL);
683 if (!state)
684 return -ENOMEM;
685
686 sd = &state->sd;
687 v4l2_i2c_subdev_init(sd, client, &msp_ops);
688
689 state->v4l2_std = V4L2_STD_NTSC;
690 state->detected_std = V4L2_STD_ALL;
691 state->audmode = V4L2_TUNER_MODE_STEREO;
692 state->input = -1;
693 state->i2s_mode = 0;
694 init_waitqueue_head(&state->wq);
695 /* These are the reset input/output positions */
696 state->route_in = MSP_INPUT_DEFAULT;
697 state->route_out = MSP_OUTPUT_DEFAULT;
698
699 state->rev1 = msp_read_dsp(client, 0x1e);
700 if (state->rev1 != -1)
701 state->rev2 = msp_read_dsp(client, 0x1f);
702 v4l_dbg(1, msp_debug, client, "rev1=0x%04x, rev2=0x%04x\n",
703 state->rev1, state->rev2);
704 if (state->rev1 == -1 || (state->rev1 == 0 && state->rev2 == 0)) {
705 v4l_dbg(1, msp_debug, client,
706 "not an msp3400 (cannot read chip version)\n");
707 kfree(state);
708 return -ENODEV;
709 }
710
711 msp_family = ((state->rev1 >> 4) & 0x0f) + 3;
712 msp_product = (state->rev2 >> 8) & 0xff;
713 msp_prod_hi = msp_product / 10;
714 msp_prod_lo = msp_product % 10;
715 msp_revision = (state->rev1 & 0x0f) + '@';
716 msp_hard = ((state->rev1 >> 8) & 0xff) + '@';
717 msp_rom = state->rev2 & 0x1f;
718 /* Rev B=2, C=3, D=4, G=7 */
719 state->ident = msp_family * 10000 + 4000 + msp_product * 10 +
720 msp_revision - '@';
721
722 /* Has NICAM support: all mspx41x and mspx45x products have NICAM */
723 state->has_nicam =
724 msp_prod_hi == 1 || msp_prod_hi == 5;
725 /* Has radio support: was added with revision G */
726 state->has_radio =
727 msp_revision >= 'G';
728 /* Has headphones output: not for stripped down products */
729 state->has_headphones =
730 msp_prod_lo < 5;
731 /* Has scart2 input: not in stripped down products of the '3' family */
732 state->has_scart2 =
733 msp_family >= 4 || msp_prod_lo < 7;
734 /* Has scart3 input: not in stripped down products of the '3' family */
735 state->has_scart3 =
736 msp_family >= 4 || msp_prod_lo < 5;
737 /* Has scart4 input: not in pre D revisions, not in stripped D revs */
738 state->has_scart4 =
739 msp_family >= 4 || (msp_revision >= 'D' && msp_prod_lo < 5);
740 /* Has scart2 output: not in stripped down products of
741 * the '3' family */
742 state->has_scart2_out =
743 msp_family >= 4 || msp_prod_lo < 5;
744 /* Has scart2 a volume control? Not in pre-D revisions. */
745 state->has_scart2_out_volume =
746 msp_revision > 'C' && state->has_scart2_out;
747 /* Has a configurable i2s out? */
748 state->has_i2s_conf =
749 msp_revision >= 'G' && msp_prod_lo < 7;
750 /* Has subwoofer output: not in pre-D revs and not in stripped down
751 * products */
752 state->has_subwoofer =
753 msp_revision >= 'D' && msp_prod_lo < 5;
754 /* Has soundprocessing (bass/treble/balance/loudness/equalizer):
755 * not in stripped down products */
756 state->has_sound_processing =
757 msp_prod_lo < 7;
758 /* Has Virtual Dolby Surround: only in msp34x1 */
759 state->has_virtual_dolby_surround =
760 msp_revision == 'G' && msp_prod_lo == 1;
761 /* Has Virtual Dolby Surround & Dolby Pro Logic: only in msp34x2 */
762 state->has_dolby_pro_logic =
763 msp_revision == 'G' && msp_prod_lo == 2;
764 /* The msp343xG supports BTSC only and cannot do Automatic Standard
765 * Detection. */
766 state->force_btsc =
767 msp_family == 3 && msp_revision == 'G' && msp_prod_hi == 3;
768
769 state->opmode = opmode;
770 if (state->opmode == OPMODE_AUTO) {
771 /* MSP revision G and up have both autodetect and autoselect */
772 if (msp_revision >= 'G')
773 state->opmode = OPMODE_AUTOSELECT;
774 /* MSP revision D and up have autodetect */
775 else if (msp_revision >= 'D')
776 state->opmode = OPMODE_AUTODETECT;
777 else
778 state->opmode = OPMODE_MANUAL;
779 }
780
781 hdl = &state->hdl;
782 v4l2_ctrl_handler_init(hdl, 6);
783 if (state->has_sound_processing) {
784 v4l2_ctrl_new_std(hdl, &msp_ctrl_ops,
785 V4L2_CID_AUDIO_BASS, 0, 65535, 65535 / 100, 32768);
786 v4l2_ctrl_new_std(hdl, &msp_ctrl_ops,
787 V4L2_CID_AUDIO_TREBLE, 0, 65535, 65535 / 100, 32768);
788 v4l2_ctrl_new_std(hdl, &msp_ctrl_ops,
789 V4L2_CID_AUDIO_LOUDNESS, 0, 1, 1, 0);
790 }
791 state->volume = v4l2_ctrl_new_std(hdl, &msp_ctrl_ops,
792 V4L2_CID_AUDIO_VOLUME, 0, 65535, 65535 / 100, 58880);
793 v4l2_ctrl_new_std(hdl, &msp_ctrl_ops,
794 V4L2_CID_AUDIO_BALANCE, 0, 65535, 65535 / 100, 32768);
795 state->muted = v4l2_ctrl_new_std(hdl, &msp_ctrl_ops,
796 V4L2_CID_AUDIO_MUTE, 0, 1, 1, 0);
797 sd->ctrl_handler = hdl;
798 if (hdl->error) {
799 int err = hdl->error;
800
801 v4l2_ctrl_handler_free(hdl);
802 kfree(state);
803 return err;
804 }
805
806 v4l2_ctrl_cluster(2, &state->volume);
807 v4l2_ctrl_handler_setup(hdl);
808
809 /* hello world :-) */
810 v4l_info(client, "MSP%d4%02d%c-%c%d found @ 0x%x (%s)\n",
811 msp_family, msp_product,
812 msp_revision, msp_hard, msp_rom,
813 client->addr << 1, client->adapter->name);
814 v4l_info(client, "%s ", client->name);
815 if (state->has_nicam && state->has_radio)
816 printk(KERN_CONT "supports nicam and radio, ");
817 else if (state->has_nicam)
818 printk(KERN_CONT "supports nicam, ");
819 else if (state->has_radio)
820 printk(KERN_CONT "supports radio, ");
821 printk(KERN_CONT "mode is ");
822
823 /* version-specific initialization */
824 switch (state->opmode) {
825 case OPMODE_MANUAL:
826 printk(KERN_CONT "manual");
827 thread_func = msp3400c_thread;
828 break;
829 case OPMODE_AUTODETECT:
830 printk(KERN_CONT "autodetect");
831 thread_func = msp3410d_thread;
832 break;
833 case OPMODE_AUTOSELECT:
834 printk(KERN_CONT "autodetect and autoselect");
835 thread_func = msp34xxg_thread;
836 break;
837 }
838 printk(KERN_CONT "\n");
839
840 /* startup control thread if needed */
841 if (thread_func) {
842 state->kthread = kthread_run(thread_func, client, "msp34xx");
843
844 if (IS_ERR(state->kthread))
845 v4l_warn(client, "kernel_thread() failed\n");
846 msp_wake_thread(client);
847 }
848 return 0;
849}
850
851static int msp_remove(struct i2c_client *client)
852{
853 struct msp_state *state = to_state(i2c_get_clientdata(client));
854
855 v4l2_device_unregister_subdev(&state->sd);
856 /* shutdown control thread */
857 if (state->kthread) {
858 state->restart = 1;
859 kthread_stop(state->kthread);
860 }
861 msp_reset(client);
862
863 v4l2_ctrl_handler_free(&state->hdl);
864 kfree(state);
865 return 0;
866}
867
868/* ----------------------------------------------------------------------- */
869
870static const struct dev_pm_ops msp3400_pm_ops = {
871 SET_SYSTEM_SLEEP_PM_OPS(msp_suspend, msp_resume)
872};
873
874static const struct i2c_device_id msp_id[] = {
875 { "msp3400", 0 },
876 { }
877};
878MODULE_DEVICE_TABLE(i2c, msp_id);
879
880static struct i2c_driver msp_driver = {
881 .driver = {
882 .owner = THIS_MODULE,
883 .name = "msp3400",
884 .pm = &msp3400_pm_ops,
885 },
886 .probe = msp_probe,
887 .remove = msp_remove,
888 .id_table = msp_id,
889};
890
891module_i2c_driver(msp_driver);
892
893/*
894 * Overrides for Emacs so that we follow Linus's tabbing style.
895 * ---------------------------------------------------------------------------
896 * Local variables:
897 * c-basic-offset: 8
898 * End:
899 */