2f2414e90e8bbe4bb47c22d803355e2ffacde92e
[linux-2.6.git] / drivers / media / video / tda9887.c
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>
14
15
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)
26    - Hauppauge PVR-150/500 (possibly more)
27 */
28
29
30 /* Addresses to scan */
31 static unsigned short normal_i2c[] = {
32         0x84 >>1,
33         0x86 >>1,
34         0x96 >>1,
35         I2C_CLIENT_END,
36 };
37 I2C_CLIENT_INSMOD;
38
39 /* insmod options */
40 static unsigned int debug = 0;
41 module_param(debug, int, 0644);
42 MODULE_LICENSE("GPL");
43
44 /* ---------------------------------------------------------------------- */
45
46 #define UNSET       (-1U)
47 #define tda9887_info(fmt, arg...) do {\
48         printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
49                         i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
50 #define tda9887_dbg(fmt, arg...) do {\
51         if (debug) \
52                 printk(KERN_INFO "%s %d-%04x: " fmt, t->client.name, \
53                         i2c_adapter_id(t->client.adapter), t->client.addr , ##arg); } while (0)
54
55 struct tda9887 {
56         struct i2c_client  client;
57         v4l2_std_id        std;
58         enum tuner_mode    mode;
59         unsigned int       config;
60         unsigned int       pinnacle_id;
61         unsigned int       using_v4l2;
62         unsigned int       radio_mode;
63         unsigned char      data[4];
64 };
65
66 struct tvnorm {
67         v4l2_std_id       std;
68         char              *name;
69         unsigned char     b;
70         unsigned char     c;
71         unsigned char     e;
72 };
73
74 static struct i2c_driver driver;
75 static 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
147 static 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           ),
189                 .e     = ( cGating_36     |
190                            cAudioIF_6_5   |
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  |
207                            cDeemphasis75  ),
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
224 static 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
234 static struct tvnorm radio_mono = {
235         .name = "Radio Mono",
236         .b    = ( cFmRadio       |
237                   cQSS           ),
238         .c    = ( cDeemphasisON  |
239                   cDeemphasis50),
240         .e    = ( cAudioIF_5_5   |
241                   cRadioIF_38_90 ),
242 };
243
244 /* ---------------------------------------------------------------------- */
245
246 static void dump_read_message(struct tda9887 *t, unsigned char *buf)
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         };
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");
272 }
273
274 static void dump_write_message(struct tda9887 *t, unsigned char *buf)
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
314         tda9887_info("write: byte B 0x%02x\n",buf[1]);
315         tda9887_info("  B0   video mode      : %s\n",
316                (buf[1] & 0x01) ? "video trap" : "sound trap");
317         tda9887_info("  B1   auto mute fm    : %s\n",
318                (buf[1] & 0x02) ? "yes" : "no");
319         tda9887_info("  B2   carrier mode    : %s\n",
320                (buf[1] & 0x04) ? "QSS" : "Intercarrier");
321         tda9887_info("  B3-4 tv sound/radio  : %s\n",
322                sound[(buf[1] & 0x18) >> 3]);
323         tda9887_info("  B5   force mute audio: %s\n",
324                (buf[1] & 0x20) ? "yes" : "no");
325         tda9887_info("  B6   output port 1   : %s\n",
326                (buf[1] & 0x40) ? "high (inactive)" : "low (active)");
327         tda9887_info("  B7   output port 2   : %s\n",
328                (buf[1] & 0x80) ? "high (inactive)" : "low (active)");
329
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",
334                (buf[2] & 0x80) ? "-6" : "0");
335
336         tda9887_info("write: byte E 0x%02x\n",buf[3]);
337         tda9887_info("  E0-1 sound carrier   : %s\n",
338                carrier[(buf[3] & 0x03)]);
339         tda9887_info("  E6   l pll gating   : %s\n",
340                (buf[3] & 0x40) ? "36" : "13");
341
342         if (buf[1] & 0x08) {
343                 /* radio */
344                 tda9887_info("  E2-4 video if        : %s\n",
345                        rif[(buf[3] & 0x0c) >> 2]);
346                 tda9887_info("  E7   vif agc output  : %s\n",
347                        (buf[3] & 0x80)
348                        ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio")
349                        : "fm radio carrier afc");
350         } else {
351                 /* video */
352                 tda9887_info("  E2-4 video if        : %s\n",
353                        vif[(buf[3] & 0x1c) >> 2]);
354                 tda9887_info("  E5   tuner gain      : %s\n",
355                        (buf[3] & 0x80)
356                        ? ((buf[3] & 0x20) ? "external" : "normal")
357                        : ((buf[3] & 0x20) ? "minimum"  : "normal"));
358                 tda9887_info("  E7   vif agc output  : %s\n",
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         }
365         tda9887_info("--\n");
366 }
367
368 /* ---------------------------------------------------------------------- */
369
370 static int tda9887_set_tvnorm(struct tda9887 *t, char *buf)
371 {
372         struct tvnorm *norm = NULL;
373         int i;
374
375         if (t->mode == T_RADIO) {
376                 if (t->radio_mode == V4L2_TUNER_MODE_MONO)
377                         norm = &radio_mono;
378                 else
379                         norm = &radio_stereo;
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) {
389                 tda9887_dbg("Unsupported tvnorm entry - audio muted\n");
390                 return -1;
391         }
392
393         tda9887_dbg("configure for: %s\n",norm->name);
394         buf[1] = norm->b;
395         buf[2] = norm->c;
396         buf[3] = norm->e;
397         return 0;
398 }
399
400 static unsigned int port1  = UNSET;
401 static unsigned int port2  = UNSET;
402 static unsigned int qss    = UNSET;
403 static unsigned int adjust = 0x10;
404 module_param(port1, int, 0644);
405 module_param(port2, int, 0644);
406 module_param(qss, int, 0644);
407 module_param(adjust, int, 0644);
408
409 static 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
436 static 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         }
468         if ((t->config & TDA9887_INTERCARRIER_NTSC) && (t->std & V4L2_STD_NTSC))
469                 buf[1] &= ~cQSS;
470         return 0;
471 }
472
473 /* ---------------------------------------------------------------------- */
474
475 static 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) {
487                 if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) {
488                         bCarrierMode = cIntercarrier;
489                 } else {
490                         bCarrierMode = cQSS;
491                 }
492         }
493
494         if (bCarrierMode != UNSET) {
495                 buf[1] &= ~0x04;
496                 buf[1] |= bCarrierMode;
497         }
498         return 0;
499 }
500
501 /* ---------------------------------------------------------------------- */
502
503 static char pal[] = "-";
504 module_param_string(pal, pal, sizeof(pal), 0644);
505 static char secam[] = "-";
506 module_param_string(secam, secam, sizeof(secam), 0644);
507
508 static 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':
517                         tda9887_dbg("insmod fixup: PAL => PAL-BG\n");
518                         t->std = V4L2_STD_PAL_BG;
519                         break;
520                 case 'i':
521                 case 'I':
522                         tda9887_dbg("insmod fixup: PAL => PAL-I\n");
523                         t->std = V4L2_STD_PAL_I;
524                         break;
525                 case 'd':
526                 case 'D':
527                 case 'k':
528                 case 'K':
529                         tda9887_dbg("insmod fixup: PAL => PAL-DK\n");
530                         t->std = V4L2_STD_PAL_DK;
531                         break;
532                 case '-':
533                         /* default parameter, do nothing */
534                         break;
535                 default:
536                         tda9887_info("pal= argument not recognised\n");
537                         break;
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':
546                         tda9887_dbg("insmod fixup: SECAM => SECAM-DK\n");
547                         t->std = V4L2_STD_SECAM_DK;
548                         break;
549                 case 'l':
550                 case 'L':
551                         tda9887_dbg("insmod fixup: SECAM => SECAM-L\n");
552                         t->std = V4L2_STD_SECAM_L;
553                         break;
554                 case '-':
555                         /* default parameter, do nothing */
556                         break;
557                 default:
558                         tda9887_info("secam= argument not recognised\n");
559                         break;
560                 }
561         }
562         return 0;
563 }
564
565 static int tda9887_status(struct tda9887 *t)
566 {
567         unsigned char buf[1];
568         int rc;
569
570         memset(buf,0,sizeof(buf));
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);
573         dump_read_message(t, buf);
574         return 0;
575 }
576
577 static int tda9887_configure(struct tda9887 *t)
578 {
579         int rc;
580
581         memset(t->data,0,sizeof(t->data));
582         tda9887_set_tvnorm(t,t->data);
583
584         t->data[1] |= cOutputPort1Inactive;
585         t->data[1] |= cOutputPort2Inactive;
586
587         if (UNSET != t->pinnacle_id) {
588                 tda9887_set_pinnacle(t,t->data);
589         }
590         tda9887_set_config(t,t->data);
591         tda9887_set_insmod(t,t->data);
592
593         if (t->mode == T_STANDBY) {
594                 t->data[1] |= cForcedMuteAudioON;
595         }
596
597
598         tda9887_dbg("writing: b=0x%02x c=0x%02x e=0x%02x\n",
599                 t->data[1],t->data[2],t->data[3]);
600         if (debug > 1)
601                 dump_write_message(t, t->data);
602
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);
605
606         if (debug > 2) {
607                 msleep_interruptible(1000);
608                 tda9887_status(t);
609         }
610         return 0;
611 }
612
613 /* ---------------------------------------------------------------------- */
614
615 static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind)
616 {
617         struct tda9887 *t;
618
619         client_template.adapter = adap;
620         client_template.addr    = addr;
621
622         if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL)))
623                 return -ENOMEM;
624         memset(t,0,sizeof(*t));
625
626         t->client      = client_template;
627         t->std         = 0;
628         t->pinnacle_id = UNSET;
629         t->radio_mode = V4L2_TUNER_MODE_STEREO;
630
631         tda9887_info("chip found @ 0x%x (%s)\n", addr<<1, adap->name);
632
633         i2c_set_clientdata(&t->client, t);
634         i2c_attach_client(&t->client);
635
636         return 0;
637 }
638
639 static 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) {
646         case I2C_HW_B_BT848:
647         case I2C_HW_B_RIVA:
648         case I2C_HW_SAA7134:
649                 return i2c_probe(adap, &addr_data, tda9887_attach);
650                 break;
651         }
652 #endif
653         return 0;
654 }
655
656 static 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) \
666                           tda9887_info("switching to v4l2\n"); \
667                           t->using_v4l2 = 1;
668 #define CHECK_V4L2      if (t->using_v4l2) { if (debug) \
669                           tda9887_info("ignore v4l1 call\n"); \
670                           return 0; }
671
672 static int
673 tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg)
674 {
675         struct tda9887 *t = i2c_get_clientdata(client);
676
677         switch (cmd) {
678
679         /* --- configuration --- */
680         case AUDC_SET_RADIO:
681         {
682                 t->mode = T_RADIO;
683                 tda9887_configure(t);
684                 break;
685         }
686         case TUNER_SET_STANDBY:
687         {
688                 t->mode = T_STANDBY;
689                 tda9887_configure(t);
690                 break;
691         }
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;
724                 t->mode = T_ANALOG_TV;
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;
736                 t->mode = T_ANALOG_TV;
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) {
748                         if (t->mode == T_ANALOG_TV)
749                                 return 0;
750                         t->mode = T_ANALOG_TV;
751                 }
752                 if (V4L2_TUNER_RADIO == f->type) {
753                         if (t->mode == T_RADIO)
754                                 return 0;
755                         t->mode = T_RADIO;
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
770                 if (t->mode == T_RADIO) {
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         }
778         case VIDIOC_S_TUNER:
779         {
780                 struct v4l2_tuner* tuner = arg;
781
782                 if (t->mode == T_RADIO) {
783                         t->radio_mode = tuner->audmode;
784                         tda9887_configure (t);
785                 }
786                 break;
787         }
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         }
793         default:
794                 /* nothing */
795                 break;
796         }
797         return 0;
798 }
799
800 static int tda9887_suspend(struct device * dev, pm_message_t state)
801 {
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");
806         return 0;
807 }
808
809 static int tda9887_resume(struct device * dev)
810 {
811         struct i2c_client *c = container_of(dev, struct i2c_client, dev);
812         struct tda9887 *t = i2c_get_clientdata(c);
813
814         tda9887_dbg("resume\n");
815         tda9887_configure(t);
816         return 0;
817 }
818
819 /* ----------------------------------------------------------------------- */
820
821 static struct i2c_driver driver = {
822         .owner          = THIS_MODULE,
823         .name           = "i2c tda9887 driver",
824         .id             = -1, /* FIXME */
825         .flags          = I2C_DF_NOTIFY,
826         .attach_adapter = tda9887_probe,
827         .detach_client  = tda9887_detach,
828         .command        = tda9887_command,
829         .driver = {
830                 .suspend = tda9887_suspend,
831                 .resume  = tda9887_resume,
832         },
833 };
834 static struct i2c_client client_template =
835 {
836         .name      = "tda9887",
837         .flags     = I2C_CLIENT_ALLOW_USE,
838         .driver    = &driver,
839 };
840
841 static int __init tda9887_init_module(void)
842 {
843         return i2c_add_driver(&driver);
844 }
845
846 static void __exit tda9887_cleanup_module(void)
847 {
848         i2c_del_driver(&driver);
849 }
850
851 module_init(tda9887_init_module);
852 module_exit(tda9887_cleanup_module);
853
854 /*
855  * Overrides for Emacs so that we follow Linus's tabbing style.
856  * ---------------------------------------------------------------------------
857  * Local variables:
858  * c-basic-offset: 8
859  * End:
860  */