]> git.proxmox.com Git - mirror_ubuntu-zesty-kernel.git/blame - drivers/media/video/tda9887.c
projects / mirror_ubuntu-zesty-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
[PATCH] i2c: Rework client usage count, 2 of 3
[mirror_ubuntu-zesty-kernel.git] / drivers / media / video / tda9887.c
CommitLineData
1da177e4
LT		 1#include <linux/module.h>
2#include <linux/moduleparam.h>
3#include <linux/kernel.h>
4#include <linux/i2c.h>
5#include <linux/types.h>
6#include <linux/videodev.h>
7#include <linux/init.h>
8#include <linux/errno.h>
9#include <linux/slab.h>
10#include <linux/delay.h>
11
12#include <media/audiochip.h>
13#include <media/tuner.h>
1da177e4 14
674434c6 15
1da177e4
LT		 16/* Chips:
17 TDA9885 (PAL, NTSC)
18 TDA9886 (PAL, SECAM, NTSC)
19 TDA9887 (PAL, SECAM, NTSC, FM Radio)
20
21 found on:
22 - Pinnacle PCTV (Jul.2002 Version with MT2032, bttv)
23 TDA9887 (world), TDA9885 (USA)
24 Note: OP2 of tda988x must be set to 1, else MT2032 is disabled!
25 - KNC One TV-Station RDS (saa7134)
21d4df37 26 - Hauppauge PVR-150/500 (possibly more)
1da177e4
LT		 27*/
28
29
30/* Addresses to scan */
31static unsigned short normal_i2c[] = {
32 0x84 >>1,
33 0x86 >>1,
34 0x96 >>1,
35 I2C_CLIENT_END,
36};
1da177e4
LT		 37I2C_CLIENT_INSMOD;
38
39/* insmod options */
40static unsigned int debug = 0;
41module_param(debug, int, 0644);
42MODULE_LICENSE("GPL");
43
44/* ---------------------------------------------------------------------- */
45
46#define UNSET (-1U)
4eb0c144
HV		 47#define tda9887_info(fmt, arg...) do {\
48 printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
4ac97914 49 i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
4eb0c144
HV		 50#define tda9887_dbg(fmt, arg...) do {\
51 if (debug) \
4ac97914
MCC		 52 printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
53 i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
1da177e4
LT		 54
55struct tda9887 {
56 struct i2c_client client;
57 v4l2_std_id std;
793cf9e6 58 enum tuner_mode mode;
1da177e4
LT		 59 unsigned int config;
60 unsigned int pinnacle_id;
61 unsigned int using_v4l2;
56fc08ca 62 unsigned int radio_mode;
299392bf 63 unsigned char data[4];
1da177e4
LT		 64};
65
66struct tvnorm {
67 v4l2_std_id std;
68 char *name;
69 unsigned char b;
70 unsigned char c;
71 unsigned char e;
72};
73
74static struct i2c_driver driver;
75static struct i2c_client client_template;
76
77/* ---------------------------------------------------------------------- */
78
79//
80// TDA defines
81//
82
83//// first reg (b)
84#define cVideoTrapBypassOFF 0x00 // bit b0
85#define cVideoTrapBypassON 0x01 // bit b0
86
87#define cAutoMuteFmInactive 0x00 // bit b1
88#define cAutoMuteFmActive 0x02 // bit b1
89
90#define cIntercarrier 0x00 // bit b2
91#define cQSS 0x04 // bit b2
92
93#define cPositiveAmTV 0x00 // bit b3:4
94#define cFmRadio 0x08 // bit b3:4
95#define cNegativeFmTV 0x10 // bit b3:4
96
97
98#define cForcedMuteAudioON 0x20 // bit b5
99#define cForcedMuteAudioOFF 0x00 // bit b5
100
101#define cOutputPort1Active 0x00 // bit b6
102#define cOutputPort1Inactive 0x40 // bit b6
103
104#define cOutputPort2Active 0x00 // bit b7
105#define cOutputPort2Inactive 0x80 // bit b7
106
107
108//// second reg (c)
109#define cDeemphasisOFF 0x00 // bit c5
110#define cDeemphasisON 0x20 // bit c5
111
112#define cDeemphasis75 0x00 // bit c6
113#define cDeemphasis50 0x40 // bit c6
114
115#define cAudioGain0 0x00 // bit c7
116#define cAudioGain6 0x80 // bit c7
117
118
119//// third reg (e)
120#define cAudioIF_4_5 0x00 // bit e0:1
121#define cAudioIF_5_5 0x01 // bit e0:1
122#define cAudioIF_6_0 0x02 // bit e0:1
123#define cAudioIF_6_5 0x03 // bit e0:1
124
125
126#define cVideoIF_58_75 0x00 // bit e2:4
127#define cVideoIF_45_75 0x04 // bit e2:4
128#define cVideoIF_38_90 0x08 // bit e2:4
129#define cVideoIF_38_00 0x0C // bit e2:4
130#define cVideoIF_33_90 0x10 // bit e2:4
131#define cVideoIF_33_40 0x14 // bit e2:4
132#define cRadioIF_45_75 0x18 // bit e2:4
133#define cRadioIF_38_90 0x1C // bit e2:4
134
135
136#define cTunerGainNormal 0x00 // bit e5
137#define cTunerGainLow 0x20 // bit e5
138
139#define cGating_18 0x00 // bit e6
140#define cGating_36 0x40 // bit e6
141
142#define cAgcOutON 0x80 // bit e7
143#define cAgcOutOFF 0x00 // bit e7
144
145/* ---------------------------------------------------------------------- */
146
147static struct tvnorm tvnorms[] = {
148 {
149 .std = V4L2_STD_PAL_BG,
150 .name = "PAL-BG",
151 .b = ( cNegativeFmTV |
152 cQSS ),
153 .c = ( cDeemphasisON |
154 cDeemphasis50 ),
155 .e = ( cAudioIF_5_5 |
156 cVideoIF_38_90 ),
157 },{
158 .std = V4L2_STD_PAL_I,
159 .name = "PAL-I",
160 .b = ( cNegativeFmTV |
161 cQSS ),
162 .c = ( cDeemphasisON |
163 cDeemphasis50 ),
164 .e = ( cAudioIF_6_0 |
165 cVideoIF_38_90 ),
166 },{
167 .std = V4L2_STD_PAL_DK,
168 .name = "PAL-DK",
169 .b = ( cNegativeFmTV |
170 cQSS ),
171 .c = ( cDeemphasisON |
172 cDeemphasis50 ),
173 .e = ( cAudioIF_6_5 |
174 cVideoIF_38_00 ),
175 },{
176 .std = V4L2_STD_PAL_M | V4L2_STD_PAL_N,
177 .name = "PAL-M/N",
178 .b = ( cNegativeFmTV |
179 cQSS ),
180 .c = ( cDeemphasisON |
181 cDeemphasis75 ),
182 .e = ( cAudioIF_4_5 |
183 cVideoIF_45_75 ),
184 },{
185 .std = V4L2_STD_SECAM_L,
186 .name = "SECAM-L",
187 .b = ( cPositiveAmTV |
188 cQSS ),
3375c398 189 .e = ( cGating_36 |
5f7591c0 190 cAudioIF_6_5 |
1da177e4
LT		 191 cVideoIF_38_90 ),
192 },{
193 .std = V4L2_STD_SECAM_DK,
194 .name = "SECAM-DK",
195 .b = ( cNegativeFmTV |
196 cQSS ),
197 .c = ( cDeemphasisON |
198 cDeemphasis50 ),
199 .e = ( cAudioIF_6_5 |
200 cVideoIF_38_00 ),
201 },{
202 .std = V4L2_STD_NTSC_M,
203 .name = "NTSC-M",
204 .b = ( cNegativeFmTV |
205 cQSS ),
206 .c = ( cDeemphasisON |
793cf9e6 207 cDeemphasis75 ),
1da177e4
LT		 208 .e = ( cGating_36 |
209 cAudioIF_4_5 |
210 cVideoIF_45_75 ),
211 },{
212 .std = V4L2_STD_NTSC_M_JP,
213 .name = "NTSC-JP",
214 .b = ( cNegativeFmTV |
215 cQSS ),
216 .c = ( cDeemphasisON |
217 cDeemphasis50 ),
218 .e = ( cGating_36 |
219 cAudioIF_4_5 |
220 cVideoIF_58_75 ),
221 }
222};
223
56fc08ca
MCC		 224static struct tvnorm radio_stereo = {
225 .name = "Radio Stereo",
226 .b = ( cFmRadio |
227 cQSS ),
228 .c = ( cDeemphasisOFF |
229 cAudioGain6 ),
230 .e = ( cAudioIF_5_5 |
231 cRadioIF_38_90 ),
232};
233
234static struct tvnorm radio_mono = {
235 .name = "Radio Mono",
1da177e4
LT		 236 .b = ( cFmRadio |
237 cQSS ),
238 .c = ( cDeemphasisON |
56fc08ca 239 cDeemphasis50),
1da177e4
LT		 240 .e = ( cAudioIF_5_5 |
241 cRadioIF_38_90 ),
242};
243
244/* ---------------------------------------------------------------------- */
245
4eb0c144 246static void dump_read_message(struct tda9887 *t, unsigned char *buf)
1da177e4
LT		 247{
248 static char *afc[16] = {
249 "- 12.5 kHz",
250 "- 37.5 kHz",
251 "- 62.5 kHz",
252 "- 87.5 kHz",
253 "-112.5 kHz",
254 "-137.5 kHz",
255 "-162.5 kHz",
256 "-187.5 kHz [min]",
257 "+187.5 kHz [max]",
258 "+162.5 kHz",
259 "+137.5 kHz",
260 "+112.5 kHz",
261 "+ 87.5 kHz",
262 "+ 62.5 kHz",
263 "+ 37.5 kHz",
264 "+ 12.5 kHz",
265 };
4eb0c144
HV		 266 tda9887_info("read: 0x%2x\n", buf[0]);
267 tda9887_info(" after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no");
268 tda9887_info(" afc : %s\n", afc[(buf[0] >> 1) & 0x0f]);
269 tda9887_info(" fmif level : %s\n", (buf[0] & 0x20) ? "high" : "low");
270 tda9887_info(" afc window : %s\n", (buf[0] & 0x40) ? "in" : "out");
271 tda9887_info(" vfi level : %s\n", (buf[0] & 0x80) ? "high" : "low");
1da177e4
LT		 272}
273
4eb0c144 274static void dump_write_message(struct tda9887 *t, unsigned char *buf)
1da177e4
LT		 275{
276 static char *sound[4] = {
277 "AM/TV",
278 "FM/radio",
279 "FM/TV",
280 "FM/radio"
281 };
282 static char *adjust[32] = {
283 "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9",
284 "-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1",
285 "0", "+1", "+2", "+3", "+4", "+5", "+6", "+7",
286 "+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15"
287 };
288 static char *deemph[4] = {
289 "no", "no", "75", "50"
290 };
291 static char *carrier[4] = {
292 "4.5 MHz",
293 "5.5 MHz",
294 "6.0 MHz",
295 "6.5 MHz / AM"
296 };
297 static char *vif[8] = {
298 "58.75 MHz",
299 "45.75 MHz",
300 "38.9 MHz",
301 "38.0 MHz",
302 "33.9 MHz",
303 "33.4 MHz",
304 "45.75 MHz + pin13",
305 "38.9 MHz + pin13",
306 };
307 static char *rif[4] = {
308 "44 MHz",
309 "52 MHz",
310 "52 MHz",
311 "44 MHz",
312 };
313
4eb0c144
HV		 314 tda9887_info("write: byte B 0x%02x\n",buf[1]);
315 tda9887_info(" B0 video mode : %s\n",
1da177e4 316 (buf[1] & 0x01) ? "video trap" : "sound trap");
4eb0c144 317 tda9887_info(" B1 auto mute fm : %s\n",
1da177e4 318 (buf[1] & 0x02) ? "yes" : "no");
4eb0c144 319 tda9887_info(" B2 carrier mode : %s\n",
1da177e4 320 (buf[1] & 0x04) ? "QSS" : "Intercarrier");
4eb0c144 321 tda9887_info(" B3-4 tv sound/radio : %s\n",
1da177e4 322 sound[(buf[1] & 0x18) >> 3]);
4eb0c144 323 tda9887_info(" B5 force mute audio: %s\n",
1da177e4 324 (buf[1] & 0x20) ? "yes" : "no");
4eb0c144 325 tda9887_info(" B6 output port 1 : %s\n",
1da177e4 326 (buf[1] & 0x40) ? "high (inactive)" : "low (active)");
4eb0c144 327 tda9887_info(" B7 output port 2 : %s\n",
1da177e4
LT		 328 (buf[1] & 0x80) ? "high (inactive)" : "low (active)");
329
4eb0c144
HV		 330 tda9887_info("write: byte C 0x%02x\n",buf[2]);
331 tda9887_info(" C0-4 top adjustment : %s dB\n", adjust[buf[2] & 0x1f]);
332 tda9887_info(" C5-6 de-emphasis : %s\n", deemph[(buf[2] & 0x60) >> 5]);
333 tda9887_info(" C7 audio gain : %s\n",
1da177e4
LT		 334 (buf[2] & 0x80) ? "-6" : "0");
335
4eb0c144
HV		 336 tda9887_info("write: byte E 0x%02x\n",buf[3]);
337 tda9887_info(" E0-1 sound carrier : %s\n",
1da177e4 338 carrier[(buf[3] & 0x03)]);
4eb0c144 339 tda9887_info(" E6 l pll gating : %s\n",
1da177e4
LT		 340 (buf[3] & 0x40) ? "36" : "13");
341
342 if (buf[1] & 0x08) {
343 /* radio */
4eb0c144 344 tda9887_info(" E2-4 video if : %s\n",
1da177e4 345 rif[(buf[3] & 0x0c) >> 2]);
4eb0c144 346 tda9887_info(" E7 vif agc output : %s\n",
1da177e4
LT		 347 (buf[3] & 0x80)
348 ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
349 : "fm radio carrier afc");
350 } else {
351 /* video */
4eb0c144 352 tda9887_info(" E2-4 video if : %s\n",
1da177e4 353 vif[(buf[3] & 0x1c) >> 2]);
4eb0c144 354 tda9887_info(" E5 tuner gain : %s\n",
1da177e4
LT		 355 (buf[3] & 0x80)
356 ? ((buf[3] & 0x20) ? "external" : "normal")
357 : ((buf[3] & 0x20) ? "minimum" : "normal"));
4eb0c144 358 tda9887_info(" E7 vif agc output : %s\n",
1da177e4
LT		 359 (buf[3] & 0x80)
360 ? ((buf[3] & 0x20)
361 ? "pin3 port, pin22 vif agc out"
362 : "pin22 port, pin3 vif acg ext in")
363 : "pin3+pin22 port");
364 }
4eb0c144 365 tda9887_info("--\n");
1da177e4
LT		 366}
367
368/* ---------------------------------------------------------------------- */
369
370static int tda9887_set_tvnorm(struct tda9887 *t, char *buf)
371{
372 struct tvnorm *norm = NULL;
373 int i;
374
793cf9e6 375 if (t->mode == T_RADIO) {
56fc08ca
MCC		 376 if (t->radio_mode == V4L2_TUNER_MODE_MONO)
377 norm = &radio_mono;
378 else
586b0cab 379 norm = &radio_stereo;
1da177e4
LT		 380 } else {
381 for (i = 0; i < ARRAY_SIZE(tvnorms); i++) {
382 if (tvnorms[i].std & t->std) {
383 norm = tvnorms+i;
384 break;
385 }
386 }
387 }
388 if (NULL == norm) {
4eb0c144 389 tda9887_dbg("Unsupported tvnorm entry - audio muted\n");
1da177e4
LT		 390 return -1;
391 }
392
4eb0c144 393 tda9887_dbg("configure for: %s\n",norm->name);
1da177e4
LT		 394 buf[1] = norm->b;
395 buf[2] = norm->c;
396 buf[3] = norm->e;
397 return 0;
398}
399
400static unsigned int port1 = UNSET;
401static unsigned int port2 = UNSET;
402static unsigned int qss = UNSET;
403static unsigned int adjust = 0x10;
404module_param(port1, int, 0644);
405module_param(port2, int, 0644);
406module_param(qss, int, 0644);
407module_param(adjust, int, 0644);
408
409static int tda9887_set_insmod(struct tda9887 *t, char *buf)
410{
411 if (UNSET != port1) {
412 if (port1)
413 buf[1] |= cOutputPort1Inactive;
414 else
415 buf[1] &= ~cOutputPort1Inactive;
416 }
417 if (UNSET != port2) {
418 if (port2)
419 buf[1] |= cOutputPort2Inactive;
420 else
421 buf[1] &= ~cOutputPort2Inactive;
422 }
423
424 if (UNSET != qss) {
425 if (qss)
426 buf[1] |= cQSS;
427 else
428 buf[1] &= ~cQSS;
429 }
430
431 if (adjust >= 0x00 && adjust < 0x20)
432 buf[2] |= adjust;
433 return 0;
434}
435
436static int tda9887_set_config(struct tda9887 *t, char *buf)
437{
438 if (t->config & TDA9887_PORT1_ACTIVE)
439 buf[1] &= ~cOutputPort1Inactive;
440 if (t->config & TDA9887_PORT1_INACTIVE)
441 buf[1] |= cOutputPort1Inactive;
442 if (t->config & TDA9887_PORT2_ACTIVE)
443 buf[1] &= ~cOutputPort2Inactive;
444 if (t->config & TDA9887_PORT2_INACTIVE)
445 buf[1] |= cOutputPort2Inactive;
446
447 if (t->config & TDA9887_QSS)
448 buf[1] |= cQSS;
449 if (t->config & TDA9887_INTERCARRIER)
450 buf[1] &= ~cQSS;
451
452 if (t->config & TDA9887_AUTOMUTE)
453 buf[1] |= cAutoMuteFmActive;
454 if (t->config & TDA9887_DEEMPHASIS_MASK) {
455 buf[2] &= ~0x60;
456 switch (t->config & TDA9887_DEEMPHASIS_MASK) {
457 case TDA9887_DEEMPHASIS_NONE:
458 buf[2] |= cDeemphasisOFF;
459 break;
460 case TDA9887_DEEMPHASIS_50:
461 buf[2] |= cDeemphasisON | cDeemphasis50;
462 break;
463 case TDA9887_DEEMPHASIS_75:
464 buf[2] |= cDeemphasisON | cDeemphasis75;
465 break;
466 }
467 }
3ae1adc6
NS		 468 if ((t->config & TDA9887_INTERCARRIER_NTSC) && (t->std & V4L2_STD_NTSC))
469 buf[1] &= ~cQSS;
1da177e4
LT		 470 return 0;
471}
472
473/* ---------------------------------------------------------------------- */
474
475static int tda9887_set_pinnacle(struct tda9887 *t, char *buf)
476{
477 unsigned int bCarrierMode = UNSET;
478
479 if (t->std & V4L2_STD_625_50) {
480 if ((1 == t->pinnacle_id) || (7 == t->pinnacle_id)) {
481 bCarrierMode = cIntercarrier;
482 } else {
483 bCarrierMode = cQSS;
484 }
485 }
486 if (t->std & V4L2_STD_525_60) {
4ac97914 487 if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) {
1da177e4
LT		 488 bCarrierMode = cIntercarrier;
489 } else {
490 bCarrierMode = cQSS;
4ac97914 491 }
1da177e4
LT		 492 }
493
494 if (bCarrierMode != UNSET) {
495 buf[1] &= ~0x04;
496 buf[1] |= bCarrierMode;
497 }
498 return 0;
499}
500
501/* ---------------------------------------------------------------------- */
502
503static char pal[] = "-";
975e046c 504module_param_string(pal, pal, sizeof(pal), 0644);
1da177e4 505static char secam[] = "-";
975e046c 506module_param_string(secam, secam, sizeof(secam), 0644);
1da177e4
LT		 507
508static int tda9887_fixup_std(struct tda9887 *t)
509{
510 /* get more precise norm info from insmod option */
511 if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
512 switch (pal[0]) {
513 case 'b':
514 case 'B':
515 case 'g':
516 case 'G':
4eb0c144 517 tda9887_dbg("insmod fixup: PAL => PAL-BG\n");
1da177e4
LT		 518 t->std = V4L2_STD_PAL_BG;
519 break;
520 case 'i':
521 case 'I':
4eb0c144 522 tda9887_dbg("insmod fixup: PAL => PAL-I\n");
1da177e4
LT		 523 t->std = V4L2_STD_PAL_I;
524 break;
525 case 'd':
526 case 'D':
527 case 'k':
528 case 'K':
4eb0c144 529 tda9887_dbg("insmod fixup: PAL => PAL-DK\n");
1da177e4
LT		 530 t->std = V4L2_STD_PAL_DK;
531 break;
21d4df37
MCC		 532 case '-':
533 /* default parameter, do nothing */
534 break;
535 default:
4eb0c144 536 tda9887_info("pal= argument not recognised\n");
21d4df37 537 break;
1da177e4
LT		 538 }
539 }
540 if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
541 switch (secam[0]) {
542 case 'd':
543 case 'D':
544 case 'k':
545 case 'K':
4eb0c144 546 tda9887_dbg("insmod fixup: SECAM => SECAM-DK\n");
1da177e4
LT		 547 t->std = V4L2_STD_SECAM_DK;
548 break;
549 case 'l':
550 case 'L':
4eb0c144 551 tda9887_dbg("insmod fixup: SECAM => SECAM-L\n");
1da177e4
LT		 552 t->std = V4L2_STD_SECAM_L;
553 break;
21d4df37
MCC		 554 case '-':
555 /* default parameter, do nothing */
556 break;
557 default:
4eb0c144 558 tda9887_info("secam= argument not recognised\n");
21d4df37 559 break;
1da177e4
LT		 560 }
561 }
562 return 0;
563}
564
565static int tda9887_status(struct tda9887 *t)
566{
567 unsigned char buf[1];
568 int rc;
569
570 memset(buf,0,sizeof(buf));
4ac97914
MCC		 571 if (1 != (rc = i2c_master_recv(&t->client,buf,1)))
572 tda9887_info("i2c i/o error: rc == %d (should be 1)\n",rc);
4eb0c144 573 dump_read_message(t, buf);
1da177e4
LT		 574 return 0;
575}
576
577static int tda9887_configure(struct tda9887 *t)
578{
1da177e4
LT		 579 int rc;
580
299392bf
HV		 581 memset(t->data,0,sizeof(t->data));
582 tda9887_set_tvnorm(t,t->data);
56fc08ca 583
299392bf
HV		 584 t->data[1] |= cOutputPort1Inactive;
585 t->data[1] |= cOutputPort2Inactive;
56fc08ca 586
1da177e4 587 if (UNSET != t->pinnacle_id) {
299392bf 588 tda9887_set_pinnacle(t,t->data);
1da177e4 589 }
299392bf
HV		 590 tda9887_set_config(t,t->data);
591 tda9887_set_insmod(t,t->data);
1da177e4 592
793cf9e6 593 if (t->mode == T_STANDBY) {
299392bf 594 t->data[1] |= cForcedMuteAudioON;
793cf9e6
MCC		 595 }
596
1da177e4 597
4eb0c144 598 tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
299392bf 599 t->data[1],t->data[2],t->data[3]);
1da177e4 600 if (debug > 1)
299392bf 601 dump_write_message(t, t->data);
1da177e4 602
4ac97914
MCC		 603 if (4 != (rc = i2c_master_send(&t->client,t->data,4)))
604 tda9887_info("i2c i/o error: rc == %d (should be 4)\n",rc);
1da177e4
LT		 605
606 if (debug > 2) {
607 msleep_interruptible(1000);
608 tda9887_status(t);
609 }
610 return 0;
611}
612
613/* ---------------------------------------------------------------------- */
614
615static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
616{
617 struct tda9887 *t;
618
4ac97914
MCC		 619 client_template.adapter = adap;
620 client_template.addr = addr;
1da177e4 621
4ac97914
MCC		 622 if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
623 return -ENOMEM;
1da177e4 624 memset(t,0,sizeof(*t));
56fc08ca 625
1da177e4
LT		 626 t->client = client_template;
627 t->std = 0;
628 t->pinnacle_id = UNSET;
56fc08ca
MCC		 629 t->radio_mode = V4L2_TUNER_MODE_STEREO;
630
4ac97914 631 tda9887_info("chip found @ 0x%x (%s)\n", addr<<1, adap->name);
4eb0c144 632
586b0cab
MCC		 633 i2c_set_clientdata(&t->client, t);
634 i2c_attach_client(&t->client);
1da177e4
LT		 635
636 return 0;
637}
638
639static int tda9887_probe(struct i2c_adapter *adap)
640{
641#ifdef I2C_CLASS_TV_ANALOG
642 if (adap->class & I2C_CLASS_TV_ANALOG)
643 return i2c_probe(adap, &addr_data, tda9887_attach);
644#else
645 switch (adap->id) {
c7a46533
JD		 646 case I2C_HW_B_BT848:
647 case I2C_HW_B_RIVA:
1684a984 648 case I2C_HW_SAA7134:
1da177e4
LT		 649 return i2c_probe(adap, &addr_data, tda9887_attach);
650 break;
651 }
652#endif
653 return 0;
654}
655
656static int tda9887_detach(struct i2c_client *client)
657{
658 struct tda9887 *t = i2c_get_clientdata(client);
659
660 i2c_detach_client(client);
661 kfree(t);
662 return 0;
663}
664
665#define SWITCH_V4L2 if (!t->using_v4l2 && debug) \
4ac97914
MCC		 666 tda9887_info("switching to v4l2\n"); \
667 t->using_v4l2 = 1;
1da177e4 668#define CHECK_V4L2 if (t->using_v4l2) { if (debug) \
4eb0c144 669 tda9887_info("ignore v4l1 call\n"); \
4ac97914 670 return 0; }
1da177e4
LT		 671
672static int
673tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
674{
675 struct tda9887 *t = i2c_get_clientdata(client);
676
4ac97914 677 switch (cmd) {
1da177e4
LT		 678
679 /* --- configuration --- */
680 case AUDC_SET_RADIO:
793cf9e6
MCC		 681 {
682 t->mode = T_RADIO;
1da177e4
LT		 683 tda9887_configure(t);
684 break;
793cf9e6
MCC		 685 }
686 case TUNER_SET_STANDBY:
687 {
688 t->mode = T_STANDBY;
689 tda9887_configure(t);
690 break;
691 }
1da177e4
LT		 692 case AUDC_CONFIG_PINNACLE:
693 {
694 int *i = arg;
695
696 t->pinnacle_id = *i;
697 tda9887_configure(t);
698 break;
699 }
700 case TDA9887_SET_CONFIG:
701 {
702 int *i = arg;
703
704 t->config = *i;
705 tda9887_configure(t);
706 break;
707 }
708 /* --- v4l ioctls --- */
709 /* take care: bttv does userspace copying, we'll get a
710 kernel pointer here... */
711 case VIDIOCSCHAN:
712 {
713 static const v4l2_std_id map[] = {
714 [ VIDEO_MODE_PAL ] = V4L2_STD_PAL,
715 [ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M,
716 [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM,
717 [ 4 /* bttv */ ] = V4L2_STD_PAL_M,
718 [ 5 /* bttv */ ] = V4L2_STD_PAL_N,
719 [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
720 };
721 struct video_channel *vc = arg;
722
723 CHECK_V4L2;
793cf9e6 724 t->mode = T_ANALOG_TV;
1da177e4
LT		 725 if (vc->norm < ARRAY_SIZE(map))
726 t->std = map[vc->norm];
727 tda9887_fixup_std(t);
728 tda9887_configure(t);
729 break;
730 }
731 case VIDIOC_S_STD:
732 {
733 v4l2_std_id *id = arg;
734
735 SWITCH_V4L2;
793cf9e6 736 t->mode = T_ANALOG_TV;
1da177e4
LT		 737 t->std = *id;
738 tda9887_fixup_std(t);
739 tda9887_configure(t);
740 break;
741 }
742 case VIDIOC_S_FREQUENCY:
743 {
744 struct v4l2_frequency *f = arg;
745
746 SWITCH_V4L2;
747 if (V4L2_TUNER_ANALOG_TV == f->type) {
793cf9e6 748 if (t->mode == T_ANALOG_TV)
1da177e4 749 return 0;
793cf9e6 750 t->mode = T_ANALOG_TV;
1da177e4
LT		 751 }
752 if (V4L2_TUNER_RADIO == f->type) {
793cf9e6 753 if (t->mode == T_RADIO)
1da177e4 754 return 0;
793cf9e6 755 t->mode = T_RADIO;
1da177e4
LT		 756 }
757 tda9887_configure(t);
758 break;
759 }
760 case VIDIOC_G_TUNER:
761 {
762 static int AFC_BITS_2_kHz[] = {
763 -12500, -37500, -62500, -97500,
764 -112500, -137500, -162500, -187500,
765 187500, 162500, 137500, 112500,
766 97500 , 62500, 37500 , 12500
767 };
768 struct v4l2_tuner* tuner = arg;
769
793cf9e6 770 if (t->mode == T_RADIO) {
1da177e4
LT		 771 __u8 reg = 0;
772 tuner->afc=0;
773 if (1 == i2c_master_recv(&t->client,&reg,1))
774 tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f];
775 }
776 break;
777 }
56fc08ca
MCC		 778 case VIDIOC_S_TUNER:
779 {
780 struct v4l2_tuner* tuner = arg;
781
793cf9e6 782 if (t->mode == T_RADIO) {
56fc08ca
MCC		 783 t->radio_mode = tuner->audmode;
784 tda9887_configure (t);
785 }
786 break;
787 }
299392bf
HV		 788 case VIDIOC_LOG_STATUS:
789 {
790 tda9887_info("Data bytes: b=%02x c=%02x e=%02x\n", t->data[1], t->data[2], t->data[3]);
791 break;
792 }
1da177e4
LT		 793 default:
794 /* nothing */
795 break;
796 }
797 return 0;
798}
799
9480e307 800static int tda9887_suspend(struct device * dev, pm_message_t state)
1da177e4 801{
4eb0c144
HV		 802 struct i2c_client *c = container_of(dev, struct i2c_client, dev);
803 struct tda9887 *t = i2c_get_clientdata(c);
804
805 tda9887_dbg("suspend\n");
1da177e4
LT		 806 return 0;
807}
808
9480e307 809static int tda9887_resume(struct device * dev)
1da177e4
LT		 810{
811 struct i2c_client *c = container_of(dev, struct i2c_client, dev);
812 struct tda9887 *t = i2c_get_clientdata(c);
813
4eb0c144 814 tda9887_dbg("resume\n");
1da177e4
LT		 815 tda9887_configure(t);
816 return 0;
817}
818
819/* ----------------------------------------------------------------------- */
820
821static struct i2c_driver driver = {
822 .owner = THIS_MODULE,
afd1a0c9
MCC		 823 .name = "i2c tda9887 driver",
824 .id = -1, /* FIXME */
afd1a0c9
MCC		 825 .attach_adapter = tda9887_probe,
826 .detach_client = tda9887_detach,
827 .command = tda9887_command,
1da177e4
LT		 828 .driver = {
829 .suspend = tda9887_suspend,
830 .resume = tda9887_resume,
831 },
832};
833static struct i2c_client client_template =
834{
fae91e72 835 .name = "tda9887",
afd1a0c9 836 .driver = &driver,
1da177e4
LT		 837};
838
839static int __init tda9887_init_module(void)
840{
841 return i2c_add_driver(&driver);
842}
843
844static void __exit tda9887_cleanup_module(void)
845{
846 i2c_del_driver(&driver);
847}
848
849module_init(tda9887_init_module);
850module_exit(tda9887_cleanup_module);
851
852/*
853 * Overrides for Emacs so that we follow Linus's tabbing style.
854 * ---------------------------------------------------------------------------
855 * Local variables:
856 * c-basic-offset: 8
857 * End:
858 */
ubuntu-zesty-kernel mirror