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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> | |
14 | #include <media/id.h> | |
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 | */ | |
27 | ||
28 | ||
29 | /* Addresses to scan */ | |
30 | static unsigned short normal_i2c[] = { | |
31 | 0x84 >>1, | |
32 | 0x86 >>1, | |
33 | 0x96 >>1, | |
34 | I2C_CLIENT_END, | |
35 | }; | |
36 | static unsigned short normal_i2c_range[] = {I2C_CLIENT_END,I2C_CLIENT_END}; | |
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 PREFIX "tda9885/6/7: " | |
48 | #define dprintk if (debug) printk | |
49 | ||
50 | struct tda9887 { | |
51 | struct i2c_client client; | |
52 | v4l2_std_id std; | |
53 | unsigned int radio; | |
54 | unsigned int config; | |
55 | unsigned int pinnacle_id; | |
56 | unsigned int using_v4l2; | |
57 | }; | |
58 | ||
59 | struct tvnorm { | |
60 | v4l2_std_id std; | |
61 | char *name; | |
62 | unsigned char b; | |
63 | unsigned char c; | |
64 | unsigned char e; | |
65 | }; | |
66 | ||
67 | static struct i2c_driver driver; | |
68 | static struct i2c_client client_template; | |
69 | ||
70 | /* ---------------------------------------------------------------------- */ | |
71 | ||
72 | // | |
73 | // TDA defines | |
74 | // | |
75 | ||
76 | //// first reg (b) | |
77 | #define cVideoTrapBypassOFF 0x00 // bit b0 | |
78 | #define cVideoTrapBypassON 0x01 // bit b0 | |
79 | ||
80 | #define cAutoMuteFmInactive 0x00 // bit b1 | |
81 | #define cAutoMuteFmActive 0x02 // bit b1 | |
82 | ||
83 | #define cIntercarrier 0x00 // bit b2 | |
84 | #define cQSS 0x04 // bit b2 | |
85 | ||
86 | #define cPositiveAmTV 0x00 // bit b3:4 | |
87 | #define cFmRadio 0x08 // bit b3:4 | |
88 | #define cNegativeFmTV 0x10 // bit b3:4 | |
89 | ||
90 | ||
91 | #define cForcedMuteAudioON 0x20 // bit b5 | |
92 | #define cForcedMuteAudioOFF 0x00 // bit b5 | |
93 | ||
94 | #define cOutputPort1Active 0x00 // bit b6 | |
95 | #define cOutputPort1Inactive 0x40 // bit b6 | |
96 | ||
97 | #define cOutputPort2Active 0x00 // bit b7 | |
98 | #define cOutputPort2Inactive 0x80 // bit b7 | |
99 | ||
100 | ||
101 | //// second reg (c) | |
102 | #define cDeemphasisOFF 0x00 // bit c5 | |
103 | #define cDeemphasisON 0x20 // bit c5 | |
104 | ||
105 | #define cDeemphasis75 0x00 // bit c6 | |
106 | #define cDeemphasis50 0x40 // bit c6 | |
107 | ||
108 | #define cAudioGain0 0x00 // bit c7 | |
109 | #define cAudioGain6 0x80 // bit c7 | |
110 | ||
111 | ||
112 | //// third reg (e) | |
113 | #define cAudioIF_4_5 0x00 // bit e0:1 | |
114 | #define cAudioIF_5_5 0x01 // bit e0:1 | |
115 | #define cAudioIF_6_0 0x02 // bit e0:1 | |
116 | #define cAudioIF_6_5 0x03 // bit e0:1 | |
117 | ||
118 | ||
119 | #define cVideoIF_58_75 0x00 // bit e2:4 | |
120 | #define cVideoIF_45_75 0x04 // bit e2:4 | |
121 | #define cVideoIF_38_90 0x08 // bit e2:4 | |
122 | #define cVideoIF_38_00 0x0C // bit e2:4 | |
123 | #define cVideoIF_33_90 0x10 // bit e2:4 | |
124 | #define cVideoIF_33_40 0x14 // bit e2:4 | |
125 | #define cRadioIF_45_75 0x18 // bit e2:4 | |
126 | #define cRadioIF_38_90 0x1C // bit e2:4 | |
127 | ||
128 | ||
129 | #define cTunerGainNormal 0x00 // bit e5 | |
130 | #define cTunerGainLow 0x20 // bit e5 | |
131 | ||
132 | #define cGating_18 0x00 // bit e6 | |
133 | #define cGating_36 0x40 // bit e6 | |
134 | ||
135 | #define cAgcOutON 0x80 // bit e7 | |
136 | #define cAgcOutOFF 0x00 // bit e7 | |
137 | ||
138 | /* ---------------------------------------------------------------------- */ | |
139 | ||
140 | static struct tvnorm tvnorms[] = { | |
141 | { | |
142 | .std = V4L2_STD_PAL_BG, | |
143 | .name = "PAL-BG", | |
144 | .b = ( cNegativeFmTV | | |
145 | cQSS ), | |
146 | .c = ( cDeemphasisON | | |
147 | cDeemphasis50 ), | |
148 | .e = ( cAudioIF_5_5 | | |
149 | cVideoIF_38_90 ), | |
150 | },{ | |
151 | .std = V4L2_STD_PAL_I, | |
152 | .name = "PAL-I", | |
153 | .b = ( cNegativeFmTV | | |
154 | cQSS ), | |
155 | .c = ( cDeemphasisON | | |
156 | cDeemphasis50 ), | |
157 | .e = ( cAudioIF_6_0 | | |
158 | cVideoIF_38_90 ), | |
159 | },{ | |
160 | .std = V4L2_STD_PAL_DK, | |
161 | .name = "PAL-DK", | |
162 | .b = ( cNegativeFmTV | | |
163 | cQSS ), | |
164 | .c = ( cDeemphasisON | | |
165 | cDeemphasis50 ), | |
166 | .e = ( cAudioIF_6_5 | | |
167 | cVideoIF_38_00 ), | |
168 | },{ | |
169 | .std = V4L2_STD_PAL_M | V4L2_STD_PAL_N, | |
170 | .name = "PAL-M/N", | |
171 | .b = ( cNegativeFmTV | | |
172 | cQSS ), | |
173 | .c = ( cDeemphasisON | | |
174 | cDeemphasis75 ), | |
175 | .e = ( cAudioIF_4_5 | | |
176 | cVideoIF_45_75 ), | |
177 | },{ | |
178 | .std = V4L2_STD_SECAM_L, | |
179 | .name = "SECAM-L", | |
180 | .b = ( cPositiveAmTV | | |
181 | cQSS ), | |
182 | .e = ( cAudioIF_6_5 | | |
183 | cVideoIF_38_90 ), | |
184 | },{ | |
185 | .std = V4L2_STD_SECAM_DK, | |
186 | .name = "SECAM-DK", | |
187 | .b = ( cNegativeFmTV | | |
188 | cQSS ), | |
189 | .c = ( cDeemphasisON | | |
190 | cDeemphasis50 ), | |
191 | .e = ( cAudioIF_6_5 | | |
192 | cVideoIF_38_00 ), | |
193 | },{ | |
194 | .std = V4L2_STD_NTSC_M, | |
195 | .name = "NTSC-M", | |
196 | .b = ( cNegativeFmTV | | |
197 | cQSS ), | |
198 | .c = ( cDeemphasisON | | |
199 | cDeemphasis50 ), | |
200 | .e = ( cGating_36 | | |
201 | cAudioIF_4_5 | | |
202 | cVideoIF_45_75 ), | |
203 | },{ | |
204 | .std = V4L2_STD_NTSC_M_JP, | |
205 | .name = "NTSC-JP", | |
206 | .b = ( cNegativeFmTV | | |
207 | cQSS ), | |
208 | .c = ( cDeemphasisON | | |
209 | cDeemphasis50 ), | |
210 | .e = ( cGating_36 | | |
211 | cAudioIF_4_5 | | |
212 | cVideoIF_58_75 ), | |
213 | } | |
214 | }; | |
215 | ||
216 | static struct tvnorm radio = { | |
217 | .name = "radio", | |
218 | .b = ( cFmRadio | | |
219 | cQSS ), | |
220 | .c = ( cDeemphasisON | | |
221 | cDeemphasis50 ), | |
222 | .e = ( cAudioIF_5_5 | | |
223 | cRadioIF_38_90 ), | |
224 | }; | |
225 | ||
226 | /* ---------------------------------------------------------------------- */ | |
227 | ||
228 | static void dump_read_message(unsigned char *buf) | |
229 | { | |
230 | static char *afc[16] = { | |
231 | "- 12.5 kHz", | |
232 | "- 37.5 kHz", | |
233 | "- 62.5 kHz", | |
234 | "- 87.5 kHz", | |
235 | "-112.5 kHz", | |
236 | "-137.5 kHz", | |
237 | "-162.5 kHz", | |
238 | "-187.5 kHz [min]", | |
239 | "+187.5 kHz [max]", | |
240 | "+162.5 kHz", | |
241 | "+137.5 kHz", | |
242 | "+112.5 kHz", | |
243 | "+ 87.5 kHz", | |
244 | "+ 62.5 kHz", | |
245 | "+ 37.5 kHz", | |
246 | "+ 12.5 kHz", | |
247 | }; | |
248 | printk(PREFIX "read: 0x%2x\n", buf[0]); | |
249 | printk(" after power on : %s\n", (buf[0] & 0x01) ? "yes" : "no"); | |
250 | printk(" afc : %s\n", afc[(buf[0] >> 1) & 0x0f]); | |
251 | printk(" fmif level : %s\n", (buf[0] & 0x20) ? "high" : "low"); | |
252 | printk(" afc window : %s\n", (buf[0] & 0x40) ? "in" : "out"); | |
253 | printk(" vfi level : %s\n", (buf[0] & 0x80) ? "high" : "low"); | |
254 | } | |
255 | ||
256 | static void dump_write_message(unsigned char *buf) | |
257 | { | |
258 | static char *sound[4] = { | |
259 | "AM/TV", | |
260 | "FM/radio", | |
261 | "FM/TV", | |
262 | "FM/radio" | |
263 | }; | |
264 | static char *adjust[32] = { | |
265 | "-16", "-15", "-14", "-13", "-12", "-11", "-10", "-9", | |
266 | "-8", "-7", "-6", "-5", "-4", "-3", "-2", "-1", | |
267 | "0", "+1", "+2", "+3", "+4", "+5", "+6", "+7", | |
268 | "+8", "+9", "+10", "+11", "+12", "+13", "+14", "+15" | |
269 | }; | |
270 | static char *deemph[4] = { | |
271 | "no", "no", "75", "50" | |
272 | }; | |
273 | static char *carrier[4] = { | |
274 | "4.5 MHz", | |
275 | "5.5 MHz", | |
276 | "6.0 MHz", | |
277 | "6.5 MHz / AM" | |
278 | }; | |
279 | static char *vif[8] = { | |
280 | "58.75 MHz", | |
281 | "45.75 MHz", | |
282 | "38.9 MHz", | |
283 | "38.0 MHz", | |
284 | "33.9 MHz", | |
285 | "33.4 MHz", | |
286 | "45.75 MHz + pin13", | |
287 | "38.9 MHz + pin13", | |
288 | }; | |
289 | static char *rif[4] = { | |
290 | "44 MHz", | |
291 | "52 MHz", | |
292 | "52 MHz", | |
293 | "44 MHz", | |
294 | }; | |
295 | ||
296 | printk(PREFIX "write: byte B 0x%02x\n",buf[1]); | |
297 | printk(" B0 video mode : %s\n", | |
298 | (buf[1] & 0x01) ? "video trap" : "sound trap"); | |
299 | printk(" B1 auto mute fm : %s\n", | |
300 | (buf[1] & 0x02) ? "yes" : "no"); | |
301 | printk(" B2 carrier mode : %s\n", | |
302 | (buf[1] & 0x04) ? "QSS" : "Intercarrier"); | |
303 | printk(" B3-4 tv sound/radio : %s\n", | |
304 | sound[(buf[1] & 0x18) >> 3]); | |
305 | printk(" B5 force mute audio: %s\n", | |
306 | (buf[1] & 0x20) ? "yes" : "no"); | |
307 | printk(" B6 output port 1 : %s\n", | |
308 | (buf[1] & 0x40) ? "high (inactive)" : "low (active)"); | |
309 | printk(" B7 output port 2 : %s\n", | |
310 | (buf[1] & 0x80) ? "high (inactive)" : "low (active)"); | |
311 | ||
312 | printk(PREFIX "write: byte C 0x%02x\n",buf[2]); | |
313 | printk(" C0-4 top adjustment : %s dB\n", adjust[buf[2] & 0x1f]); | |
314 | printk(" C5-6 de-emphasis : %s\n", deemph[(buf[2] & 0x60) >> 5]); | |
315 | printk(" C7 audio gain : %s\n", | |
316 | (buf[2] & 0x80) ? "-6" : "0"); | |
317 | ||
318 | printk(PREFIX "write: byte E 0x%02x\n",buf[3]); | |
319 | printk(" E0-1 sound carrier : %s\n", | |
320 | carrier[(buf[3] & 0x03)]); | |
321 | printk(" E6 l pll ganting : %s\n", | |
322 | (buf[3] & 0x40) ? "36" : "13"); | |
323 | ||
324 | if (buf[1] & 0x08) { | |
325 | /* radio */ | |
326 | printk(" E2-4 video if : %s\n", | |
327 | rif[(buf[3] & 0x0c) >> 2]); | |
328 | printk(" E7 vif agc output : %s\n", | |
329 | (buf[3] & 0x80) | |
330 | ? ((buf[3] & 0x10) ? "fm-agc radio" : "sif-agc radio") | |
331 | : "fm radio carrier afc"); | |
332 | } else { | |
333 | /* video */ | |
334 | printk(" E2-4 video if : %s\n", | |
335 | vif[(buf[3] & 0x1c) >> 2]); | |
336 | printk(" E5 tuner gain : %s\n", | |
337 | (buf[3] & 0x80) | |
338 | ? ((buf[3] & 0x20) ? "external" : "normal") | |
339 | : ((buf[3] & 0x20) ? "minimum" : "normal")); | |
340 | printk(" E7 vif agc output : %s\n", | |
341 | (buf[3] & 0x80) | |
342 | ? ((buf[3] & 0x20) | |
343 | ? "pin3 port, pin22 vif agc out" | |
344 | : "pin22 port, pin3 vif acg ext in") | |
345 | : "pin3+pin22 port"); | |
346 | } | |
347 | printk("--\n"); | |
348 | } | |
349 | ||
350 | /* ---------------------------------------------------------------------- */ | |
351 | ||
352 | static int tda9887_set_tvnorm(struct tda9887 *t, char *buf) | |
353 | { | |
354 | struct tvnorm *norm = NULL; | |
355 | int i; | |
356 | ||
357 | if (t->radio) { | |
358 | norm = &radio; | |
359 | } else { | |
360 | for (i = 0; i < ARRAY_SIZE(tvnorms); i++) { | |
361 | if (tvnorms[i].std & t->std) { | |
362 | norm = tvnorms+i; | |
363 | break; | |
364 | } | |
365 | } | |
366 | } | |
367 | if (NULL == norm) { | |
368 | dprintk(PREFIX "Oops: no tvnorm entry found\n"); | |
369 | return -1; | |
370 | } | |
371 | ||
372 | dprintk(PREFIX "configure for: %s\n",norm->name); | |
373 | buf[1] = norm->b; | |
374 | buf[2] = norm->c; | |
375 | buf[3] = norm->e; | |
376 | return 0; | |
377 | } | |
378 | ||
379 | static unsigned int port1 = UNSET; | |
380 | static unsigned int port2 = UNSET; | |
381 | static unsigned int qss = UNSET; | |
382 | static unsigned int adjust = 0x10; | |
383 | module_param(port1, int, 0644); | |
384 | module_param(port2, int, 0644); | |
385 | module_param(qss, int, 0644); | |
386 | module_param(adjust, int, 0644); | |
387 | ||
388 | static int tda9887_set_insmod(struct tda9887 *t, char *buf) | |
389 | { | |
390 | if (UNSET != port1) { | |
391 | if (port1) | |
392 | buf[1] |= cOutputPort1Inactive; | |
393 | else | |
394 | buf[1] &= ~cOutputPort1Inactive; | |
395 | } | |
396 | if (UNSET != port2) { | |
397 | if (port2) | |
398 | buf[1] |= cOutputPort2Inactive; | |
399 | else | |
400 | buf[1] &= ~cOutputPort2Inactive; | |
401 | } | |
402 | ||
403 | if (UNSET != qss) { | |
404 | if (qss) | |
405 | buf[1] |= cQSS; | |
406 | else | |
407 | buf[1] &= ~cQSS; | |
408 | } | |
409 | ||
410 | if (adjust >= 0x00 && adjust < 0x20) | |
411 | buf[2] |= adjust; | |
412 | return 0; | |
413 | } | |
414 | ||
415 | static int tda9887_set_config(struct tda9887 *t, char *buf) | |
416 | { | |
417 | if (t->config & TDA9887_PORT1_ACTIVE) | |
418 | buf[1] &= ~cOutputPort1Inactive; | |
419 | if (t->config & TDA9887_PORT1_INACTIVE) | |
420 | buf[1] |= cOutputPort1Inactive; | |
421 | if (t->config & TDA9887_PORT2_ACTIVE) | |
422 | buf[1] &= ~cOutputPort2Inactive; | |
423 | if (t->config & TDA9887_PORT2_INACTIVE) | |
424 | buf[1] |= cOutputPort2Inactive; | |
425 | ||
426 | if (t->config & TDA9887_QSS) | |
427 | buf[1] |= cQSS; | |
428 | if (t->config & TDA9887_INTERCARRIER) | |
429 | buf[1] &= ~cQSS; | |
430 | ||
431 | if (t->config & TDA9887_AUTOMUTE) | |
432 | buf[1] |= cAutoMuteFmActive; | |
433 | if (t->config & TDA9887_DEEMPHASIS_MASK) { | |
434 | buf[2] &= ~0x60; | |
435 | switch (t->config & TDA9887_DEEMPHASIS_MASK) { | |
436 | case TDA9887_DEEMPHASIS_NONE: | |
437 | buf[2] |= cDeemphasisOFF; | |
438 | break; | |
439 | case TDA9887_DEEMPHASIS_50: | |
440 | buf[2] |= cDeemphasisON | cDeemphasis50; | |
441 | break; | |
442 | case TDA9887_DEEMPHASIS_75: | |
443 | buf[2] |= cDeemphasisON | cDeemphasis75; | |
444 | break; | |
445 | } | |
446 | } | |
447 | return 0; | |
448 | } | |
449 | ||
450 | /* ---------------------------------------------------------------------- */ | |
451 | ||
452 | static int tda9887_set_pinnacle(struct tda9887 *t, char *buf) | |
453 | { | |
454 | unsigned int bCarrierMode = UNSET; | |
455 | ||
456 | if (t->std & V4L2_STD_625_50) { | |
457 | if ((1 == t->pinnacle_id) || (7 == t->pinnacle_id)) { | |
458 | bCarrierMode = cIntercarrier; | |
459 | } else { | |
460 | bCarrierMode = cQSS; | |
461 | } | |
462 | } | |
463 | if (t->std & V4L2_STD_525_60) { | |
464 | if ((5 == t->pinnacle_id) || (6 == t->pinnacle_id)) { | |
465 | bCarrierMode = cIntercarrier; | |
466 | } else { | |
467 | bCarrierMode = cQSS; | |
468 | } | |
469 | } | |
470 | ||
471 | if (bCarrierMode != UNSET) { | |
472 | buf[1] &= ~0x04; | |
473 | buf[1] |= bCarrierMode; | |
474 | } | |
475 | return 0; | |
476 | } | |
477 | ||
478 | /* ---------------------------------------------------------------------- */ | |
479 | ||
480 | static char pal[] = "-"; | |
481 | module_param_string(pal, pal, 0644, sizeof(pal)); | |
482 | static char secam[] = "-"; | |
483 | module_param_string(secam, secam, 0644, sizeof(secam)); | |
484 | ||
485 | static int tda9887_fixup_std(struct tda9887 *t) | |
486 | { | |
487 | /* get more precise norm info from insmod option */ | |
488 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
489 | switch (pal[0]) { | |
490 | case 'b': | |
491 | case 'B': | |
492 | case 'g': | |
493 | case 'G': | |
494 | dprintk(PREFIX "insmod fixup: PAL => PAL-BG\n"); | |
495 | t->std = V4L2_STD_PAL_BG; | |
496 | break; | |
497 | case 'i': | |
498 | case 'I': | |
499 | dprintk(PREFIX "insmod fixup: PAL => PAL-I\n"); | |
500 | t->std = V4L2_STD_PAL_I; | |
501 | break; | |
502 | case 'd': | |
503 | case 'D': | |
504 | case 'k': | |
505 | case 'K': | |
506 | dprintk(PREFIX "insmod fixup: PAL => PAL-DK\n"); | |
507 | t->std = V4L2_STD_PAL_DK; | |
508 | break; | |
509 | } | |
510 | } | |
511 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { | |
512 | switch (secam[0]) { | |
513 | case 'd': | |
514 | case 'D': | |
515 | case 'k': | |
516 | case 'K': | |
517 | dprintk(PREFIX "insmod fixup: SECAM => SECAM-DK\n"); | |
518 | t->std = V4L2_STD_SECAM_DK; | |
519 | break; | |
520 | case 'l': | |
521 | case 'L': | |
522 | dprintk(PREFIX "insmod fixup: SECAM => SECAM-L\n"); | |
523 | t->std = V4L2_STD_SECAM_L; | |
524 | break; | |
525 | } | |
526 | } | |
527 | return 0; | |
528 | } | |
529 | ||
530 | static int tda9887_status(struct tda9887 *t) | |
531 | { | |
532 | unsigned char buf[1]; | |
533 | int rc; | |
534 | ||
535 | memset(buf,0,sizeof(buf)); | |
536 | if (1 != (rc = i2c_master_recv(&t->client,buf,1))) | |
537 | printk(PREFIX "i2c i/o error: rc == %d (should be 1)\n",rc); | |
538 | dump_read_message(buf); | |
539 | return 0; | |
540 | } | |
541 | ||
542 | static int tda9887_configure(struct tda9887 *t) | |
543 | { | |
544 | unsigned char buf[4]; | |
545 | int rc; | |
546 | ||
547 | memset(buf,0,sizeof(buf)); | |
548 | tda9887_set_tvnorm(t,buf); | |
549 | buf[1] |= cOutputPort1Inactive; | |
550 | buf[1] |= cOutputPort2Inactive; | |
551 | if (UNSET != t->pinnacle_id) { | |
552 | tda9887_set_pinnacle(t,buf); | |
553 | } | |
554 | tda9887_set_config(t,buf); | |
555 | tda9887_set_insmod(t,buf); | |
556 | ||
557 | #if 0 | |
558 | /* This as-is breaks some cards, must be fixed in a | |
559 | * card-specific way, probably using TDA9887_SET_CONFIG to | |
560 | * turn on/off port2 */ | |
561 | if (t->std & V4L2_STD_SECAM_L) { | |
562 | /* secam fixup (FIXME: move this to tvnorms array?) */ | |
563 | buf[1] &= ~cOutputPort2Inactive; | |
564 | } | |
565 | #endif | |
566 | ||
567 | dprintk(PREFIX "writing: b=0x%02x c=0x%02x e=0x%02x\n", | |
568 | buf[1],buf[2],buf[3]); | |
569 | if (debug > 1) | |
570 | dump_write_message(buf); | |
571 | ||
572 | if (4 != (rc = i2c_master_send(&t->client,buf,4))) | |
573 | printk(PREFIX "i2c i/o error: rc == %d (should be 4)\n",rc); | |
574 | ||
575 | if (debug > 2) { | |
576 | msleep_interruptible(1000); | |
577 | tda9887_status(t); | |
578 | } | |
579 | return 0; | |
580 | } | |
581 | ||
582 | /* ---------------------------------------------------------------------- */ | |
583 | ||
584 | static int tda9887_attach(struct i2c_adapter *adap, int addr, int kind) | |
585 | { | |
586 | struct tda9887 *t; | |
587 | ||
588 | client_template.adapter = adap; | |
589 | client_template.addr = addr; | |
590 | ||
591 | printk(PREFIX "chip found @ 0x%x\n", addr<<1); | |
592 | ||
593 | if (NULL == (t = kmalloc(sizeof(*t), GFP_KERNEL))) | |
594 | return -ENOMEM; | |
595 | memset(t,0,sizeof(*t)); | |
596 | t->client = client_template; | |
597 | t->std = 0; | |
598 | t->pinnacle_id = UNSET; | |
599 | i2c_set_clientdata(&t->client, t); | |
600 | i2c_attach_client(&t->client); | |
601 | ||
602 | return 0; | |
603 | } | |
604 | ||
605 | static int tda9887_probe(struct i2c_adapter *adap) | |
606 | { | |
607 | #ifdef I2C_CLASS_TV_ANALOG | |
608 | if (adap->class & I2C_CLASS_TV_ANALOG) | |
609 | return i2c_probe(adap, &addr_data, tda9887_attach); | |
610 | #else | |
611 | switch (adap->id) { | |
612 | case I2C_ALGO_BIT | I2C_HW_B_BT848: | |
613 | case I2C_ALGO_BIT | I2C_HW_B_RIVA: | |
614 | case I2C_ALGO_SAA7134: | |
615 | return i2c_probe(adap, &addr_data, tda9887_attach); | |
616 | break; | |
617 | } | |
618 | #endif | |
619 | return 0; | |
620 | } | |
621 | ||
622 | static int tda9887_detach(struct i2c_client *client) | |
623 | { | |
624 | struct tda9887 *t = i2c_get_clientdata(client); | |
625 | ||
626 | i2c_detach_client(client); | |
627 | kfree(t); | |
628 | return 0; | |
629 | } | |
630 | ||
631 | #define SWITCH_V4L2 if (!t->using_v4l2 && debug) \ | |
632 | printk(PREFIX "switching to v4l2\n"); \ | |
633 | t->using_v4l2 = 1; | |
634 | #define CHECK_V4L2 if (t->using_v4l2) { if (debug) \ | |
635 | printk(PREFIX "ignore v4l1 call\n"); \ | |
636 | return 0; } | |
637 | ||
638 | static int | |
639 | tda9887_command(struct i2c_client *client, unsigned int cmd, void *arg) | |
640 | { | |
641 | struct tda9887 *t = i2c_get_clientdata(client); | |
642 | ||
643 | switch (cmd) { | |
644 | ||
645 | /* --- configuration --- */ | |
646 | case AUDC_SET_RADIO: | |
647 | t->radio = 1; | |
648 | tda9887_configure(t); | |
649 | break; | |
650 | ||
651 | case AUDC_CONFIG_PINNACLE: | |
652 | { | |
653 | int *i = arg; | |
654 | ||
655 | t->pinnacle_id = *i; | |
656 | tda9887_configure(t); | |
657 | break; | |
658 | } | |
659 | case TDA9887_SET_CONFIG: | |
660 | { | |
661 | int *i = arg; | |
662 | ||
663 | t->config = *i; | |
664 | tda9887_configure(t); | |
665 | break; | |
666 | } | |
667 | /* --- v4l ioctls --- */ | |
668 | /* take care: bttv does userspace copying, we'll get a | |
669 | kernel pointer here... */ | |
670 | case VIDIOCSCHAN: | |
671 | { | |
672 | static const v4l2_std_id map[] = { | |
673 | [ VIDEO_MODE_PAL ] = V4L2_STD_PAL, | |
674 | [ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M, | |
675 | [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM, | |
676 | [ 4 /* bttv */ ] = V4L2_STD_PAL_M, | |
677 | [ 5 /* bttv */ ] = V4L2_STD_PAL_N, | |
678 | [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
679 | }; | |
680 | struct video_channel *vc = arg; | |
681 | ||
682 | CHECK_V4L2; | |
683 | t->radio = 0; | |
684 | if (vc->norm < ARRAY_SIZE(map)) | |
685 | t->std = map[vc->norm]; | |
686 | tda9887_fixup_std(t); | |
687 | tda9887_configure(t); | |
688 | break; | |
689 | } | |
690 | case VIDIOC_S_STD: | |
691 | { | |
692 | v4l2_std_id *id = arg; | |
693 | ||
694 | SWITCH_V4L2; | |
695 | t->radio = 0; | |
696 | t->std = *id; | |
697 | tda9887_fixup_std(t); | |
698 | tda9887_configure(t); | |
699 | break; | |
700 | } | |
701 | case VIDIOC_S_FREQUENCY: | |
702 | { | |
703 | struct v4l2_frequency *f = arg; | |
704 | ||
705 | SWITCH_V4L2; | |
706 | if (V4L2_TUNER_ANALOG_TV == f->type) { | |
707 | if (t->radio == 0) | |
708 | return 0; | |
709 | t->radio = 0; | |
710 | } | |
711 | if (V4L2_TUNER_RADIO == f->type) { | |
712 | if (t->radio == 1) | |
713 | return 0; | |
714 | t->radio = 1; | |
715 | } | |
716 | tda9887_configure(t); | |
717 | break; | |
718 | } | |
719 | case VIDIOC_G_TUNER: | |
720 | { | |
721 | static int AFC_BITS_2_kHz[] = { | |
722 | -12500, -37500, -62500, -97500, | |
723 | -112500, -137500, -162500, -187500, | |
724 | 187500, 162500, 137500, 112500, | |
725 | 97500 , 62500, 37500 , 12500 | |
726 | }; | |
727 | struct v4l2_tuner* tuner = arg; | |
728 | ||
729 | if (t->radio) { | |
730 | __u8 reg = 0; | |
731 | tuner->afc=0; | |
732 | if (1 == i2c_master_recv(&t->client,®,1)) | |
733 | tuner->afc = AFC_BITS_2_kHz[(reg>>1)&0x0f]; | |
734 | } | |
735 | break; | |
736 | } | |
737 | default: | |
738 | /* nothing */ | |
739 | break; | |
740 | } | |
741 | return 0; | |
742 | } | |
743 | ||
744 | static int tda9887_suspend(struct device * dev, u32 state, u32 level) | |
745 | { | |
746 | dprintk("tda9887: suspend\n"); | |
747 | return 0; | |
748 | } | |
749 | ||
750 | static int tda9887_resume(struct device * dev, u32 level) | |
751 | { | |
752 | struct i2c_client *c = container_of(dev, struct i2c_client, dev); | |
753 | struct tda9887 *t = i2c_get_clientdata(c); | |
754 | ||
755 | dprintk("tda9887: resume\n"); | |
756 | tda9887_configure(t); | |
757 | return 0; | |
758 | } | |
759 | ||
760 | /* ----------------------------------------------------------------------- */ | |
761 | ||
762 | static struct i2c_driver driver = { | |
763 | .owner = THIS_MODULE, | |
764 | .name = "i2c tda9887 driver", | |
765 | .id = -1, /* FIXME */ | |
766 | .flags = I2C_DF_NOTIFY, | |
767 | .attach_adapter = tda9887_probe, | |
768 | .detach_client = tda9887_detach, | |
769 | .command = tda9887_command, | |
770 | .driver = { | |
771 | .suspend = tda9887_suspend, | |
772 | .resume = tda9887_resume, | |
773 | }, | |
774 | }; | |
775 | static struct i2c_client client_template = | |
776 | { | |
777 | I2C_DEVNAME("tda9887"), | |
778 | .flags = I2C_CLIENT_ALLOW_USE, | |
779 | .driver = &driver, | |
780 | }; | |
781 | ||
782 | static int __init tda9887_init_module(void) | |
783 | { | |
784 | return i2c_add_driver(&driver); | |
785 | } | |
786 | ||
787 | static void __exit tda9887_cleanup_module(void) | |
788 | { | |
789 | i2c_del_driver(&driver); | |
790 | } | |
791 | ||
792 | module_init(tda9887_init_module); | |
793 | module_exit(tda9887_cleanup_module); | |
794 | ||
795 | /* | |
796 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
797 | * --------------------------------------------------------------------------- | |
798 | * Local variables: | |
799 | * c-basic-offset: 8 | |
800 | * End: | |
801 | */ |