Commit | Line | Data |
---|---|---|
1da177e4 | 1 | /* |
1da177e4 LT |
2 | * |
3 | * i2c tv tuner chip device driver | |
4 | * core core, i.e. kernel interfaces, registering and so on | |
5 | */ | |
6 | ||
7 | #include <linux/module.h> | |
8 | #include <linux/moduleparam.h> | |
9 | #include <linux/kernel.h> | |
1da177e4 LT |
10 | #include <linux/string.h> |
11 | #include <linux/timer.h> | |
12 | #include <linux/delay.h> | |
13 | #include <linux/errno.h> | |
14 | #include <linux/slab.h> | |
15 | #include <linux/poll.h> | |
16 | #include <linux/i2c.h> | |
17 | #include <linux/types.h> | |
18 | #include <linux/videodev.h> | |
19 | #include <linux/init.h> | |
20 | ||
21 | #include <media/tuner.h> | |
5e453dc7 | 22 | #include <media/v4l2-common.h> |
8218b0b2 | 23 | #include "tuner-driver.h" |
1da177e4 LT |
24 | |
25 | #define UNSET (-1U) | |
26 | ||
27 | /* standard i2c insmod options */ | |
28 | static unsigned short normal_i2c[] = { | |
9ee476a5 | 29 | #ifdef CONFIG_TUNER_TEA5761 |
8573a9e6 MCC |
30 | 0x10, |
31 | #endif | |
de48eebc | 32 | 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ |
f5bec396 MCC |
33 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
34 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, | |
1da177e4 LT |
35 | I2C_CLIENT_END |
36 | }; | |
f7ce3cc6 | 37 | |
1da177e4 LT |
38 | I2C_CLIENT_INSMOD; |
39 | ||
40 | /* insmod options used at init time => read/only */ | |
f7ce3cc6 | 41 | static unsigned int addr = 0; |
c5287ba1 | 42 | static unsigned int no_autodetect = 0; |
fd3113e8 | 43 | static unsigned int show_i2c = 0; |
fd3113e8 | 44 | |
1da177e4 | 45 | /* insmod options used at runtime => read/write */ |
f9195ded | 46 | int tuner_debug = 0; |
1da177e4 | 47 | |
f7ce3cc6 | 48 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
49 | static unsigned int radio_range[2] = { 65, 108 }; |
50 | ||
7e578191 MCC |
51 | static char pal[] = "--"; |
52 | static char secam[] = "--"; | |
53 | static char ntsc[] = "-"; | |
54 | ||
f9195ded | 55 | |
7e578191 MCC |
56 | module_param(addr, int, 0444); |
57 | module_param(no_autodetect, int, 0444); | |
58 | module_param(show_i2c, int, 0444); | |
f9195ded | 59 | module_param_named(debug,tuner_debug, int, 0644); |
7e578191 MCC |
60 | module_param_string(pal, pal, sizeof(pal), 0644); |
61 | module_param_string(secam, secam, sizeof(secam), 0644); | |
62 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 63 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
64 | module_param_array(radio_range, int, NULL, 0644); |
65 | ||
66 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
67 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
68 | MODULE_LICENSE("GPL"); | |
69 | ||
1da177e4 LT |
70 | static struct i2c_driver driver; |
71 | static struct i2c_client client_template; | |
72 | ||
73 | /* ---------------------------------------------------------------------- */ | |
74 | ||
56fc08ca | 75 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
76 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
77 | { | |
78 | struct tuner *t = i2c_get_clientdata(c); | |
79 | ||
80 | if (t->type == UNSET) { | |
f7ce3cc6 | 81 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
82 | return; |
83 | } | |
7a91a80a | 84 | if (NULL == t->ops.set_tv_freq) { |
f7ce3cc6 | 85 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
86 | return; |
87 | } | |
f7ce3cc6 MCC |
88 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
89 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
90 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
91 | tv_range[1]); | |
27487d44 HV |
92 | /* V4L2 spec: if the freq is not possible then the closest |
93 | possible value should be selected */ | |
94 | if (freq < tv_range[0] * 16) | |
95 | freq = tv_range[0] * 16; | |
96 | else | |
97 | freq = tv_range[1] * 16; | |
1da177e4 | 98 | } |
7a91a80a | 99 | t->ops.set_tv_freq(c, freq); |
1da177e4 LT |
100 | } |
101 | ||
102 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
103 | { | |
104 | struct tuner *t = i2c_get_clientdata(c); | |
105 | ||
106 | if (t->type == UNSET) { | |
f7ce3cc6 | 107 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
108 | return; |
109 | } | |
7a91a80a | 110 | if (NULL == t->ops.set_radio_freq) { |
f7ce3cc6 | 111 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
112 | return; |
113 | } | |
27487d44 | 114 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
115 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
116 | freq / 16000, freq % 16000 * 100 / 16000, | |
117 | radio_range[0], radio_range[1]); | |
27487d44 HV |
118 | /* V4L2 spec: if the freq is not possible then the closest |
119 | possible value should be selected */ | |
120 | if (freq < radio_range[0] * 16000) | |
121 | freq = radio_range[0] * 16000; | |
122 | else | |
123 | freq = radio_range[1] * 16000; | |
1da177e4 | 124 | } |
586b0cab | 125 | |
7a91a80a | 126 | t->ops.set_radio_freq(c, freq); |
1da177e4 LT |
127 | } |
128 | ||
129 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
130 | { | |
131 | struct tuner *t = i2c_get_clientdata(c); | |
132 | ||
133 | switch (t->mode) { | |
134 | case V4L2_TUNER_RADIO: | |
135 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
136 | freq / 16000, freq % 16000 * 100 / 16000); |
137 | set_radio_freq(c, freq); | |
27487d44 | 138 | t->radio_freq = freq; |
1da177e4 LT |
139 | break; |
140 | case V4L2_TUNER_ANALOG_TV: | |
141 | case V4L2_TUNER_DIGITAL_TV: | |
142 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 143 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 144 | set_tv_freq(c, freq); |
27487d44 | 145 | t->tv_freq = freq; |
1da177e4 LT |
146 | break; |
147 | } | |
1da177e4 LT |
148 | } |
149 | ||
f7ce3cc6 | 150 | static void set_type(struct i2c_client *c, unsigned int type, |
de956c1e | 151 | unsigned int new_mode_mask, unsigned int new_config, |
cfeb8839 | 152 | int (*tuner_callback) (void *dev, int command,int arg)) |
1da177e4 LT |
153 | { |
154 | struct tuner *t = i2c_get_clientdata(c); | |
586b0cab | 155 | unsigned char buffer[4]; |
1da177e4 | 156 | |
f7ce3cc6 MCC |
157 | if (type == UNSET || type == TUNER_ABSENT) { |
158 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 159 | return; |
f7ce3cc6 MCC |
160 | } |
161 | ||
162 | if (type >= tuner_count) { | |
163 | tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count); | |
1da177e4 | 164 | return; |
f7ce3cc6 | 165 | } |
1da177e4 | 166 | |
80f90fba HH |
167 | t->type = type; |
168 | t->config = new_config; | |
169 | if (tuner_callback != NULL) { | |
170 | tuner_dbg("defining GPIO callback\n"); | |
171 | t->tuner_callback = tuner_callback; | |
172 | } | |
173 | ||
f7ce3cc6 | 174 | /* This code detects calls by card attach_inform */ |
1da177e4 | 175 | if (NULL == t->i2c.dev.driver) { |
f7ce3cc6 MCC |
176 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
177 | ||
1da177e4 LT |
178 | return; |
179 | } | |
56fc08ca | 180 | |
b2083199 | 181 | /* discard private data, in case set_type() was previously called */ |
7a91a80a MK |
182 | if (t->ops.release) |
183 | t->ops.release(c); | |
052c50d9 MK |
184 | else { |
185 | kfree(t->priv); | |
186 | t->priv = NULL; | |
187 | } | |
be2b85a1 | 188 | |
1da177e4 LT |
189 | switch (t->type) { |
190 | case TUNER_MT2032: | |
191 | microtune_init(c); | |
192 | break; | |
193 | case TUNER_PHILIPS_TDA8290: | |
194 | tda8290_init(c); | |
195 | break; | |
586b0cab | 196 | case TUNER_TEA5767: |
f7ce3cc6 MCC |
197 | if (tea5767_tuner_init(c) == EINVAL) { |
198 | t->type = TUNER_ABSENT; | |
199 | t->mode_mask = T_UNINITIALIZED; | |
200 | return; | |
201 | } | |
202 | t->mode_mask = T_RADIO; | |
586b0cab | 203 | break; |
9ee476a5 | 204 | #ifdef CONFIG_TUNER_TEA5761 |
8573a9e6 MCC |
205 | case TUNER_TEA5761: |
206 | if (tea5761_tuner_init(c) == EINVAL) { | |
207 | t->type = TUNER_ABSENT; | |
208 | t->mode_mask = T_UNINITIALIZED; | |
9ee476a5 | 209 | return; |
8573a9e6 MCC |
210 | } |
211 | t->mode_mask = T_RADIO; | |
212 | break; | |
213 | #endif | |
586b0cab MCC |
214 | case TUNER_PHILIPS_FMD1216ME_MK3: |
215 | buffer[0] = 0x0b; | |
216 | buffer[1] = 0xdc; | |
217 | buffer[2] = 0x9c; | |
218 | buffer[3] = 0x60; | |
f7ce3cc6 | 219 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
220 | mdelay(1); |
221 | buffer[2] = 0x86; | |
222 | buffer[3] = 0x54; | |
f7ce3cc6 | 223 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
224 | default_tuner_init(c); |
225 | break; | |
93df3413 HH |
226 | case TUNER_PHILIPS_TD1316: |
227 | buffer[0] = 0x0b; | |
228 | buffer[1] = 0xdc; | |
229 | buffer[2] = 0x86; | |
230 | buffer[3] = 0xa4; | |
231 | i2c_master_send(c,buffer,4); | |
232 | default_tuner_init(c); | |
ac272ed7 | 233 | break; |
15396236 MCC |
234 | case TUNER_TDA9887: |
235 | tda9887_tuner_init(c); | |
236 | break; | |
1da177e4 LT |
237 | default: |
238 | default_tuner_init(c); | |
239 | break; | |
240 | } | |
f7ce3cc6 MCC |
241 | |
242 | if (t->mode_mask == T_UNINITIALIZED) | |
243 | t->mode_mask = new_mode_mask; | |
244 | ||
27487d44 | 245 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq); |
f7ce3cc6 | 246 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 247 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 248 | t->mode_mask); |
1da177e4 LT |
249 | } |
250 | ||
f7ce3cc6 MCC |
251 | /* |
252 | * This function apply tuner config to tuner specified | |
253 | * by tun_setup structure. I addr is unset, then admin status | |
254 | * and tun addr status is more precise then current status, | |
255 | * it's applied. Otherwise status and type are applied only to | |
256 | * tuner with exactly the same addr. | |
257 | */ | |
258 | ||
259 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
260 | { | |
261 | struct tuner *t = i2c_get_clientdata(c); | |
262 | ||
15396236 MCC |
263 | tuner_dbg("set addr for type %i\n", t->type); |
264 | ||
de956c1e HH |
265 | if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) && |
266 | (t->mode_mask & tun_setup->mode_mask))) || | |
267 | (tun_setup->addr == c->addr)) { | |
268 | set_type(c, tun_setup->type, tun_setup->mode_mask, | |
cfeb8839 | 269 | tun_setup->config, tun_setup->tuner_callback); |
f7ce3cc6 MCC |
270 | } |
271 | } | |
56fc08ca | 272 | |
f7ce3cc6 | 273 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 274 | { |
793cf9e6 MCC |
275 | if ((1 << t->mode & t->mode_mask) == 0) { |
276 | return EINVAL; | |
277 | } | |
278 | ||
279 | switch (t->mode) { | |
280 | case V4L2_TUNER_RADIO: | |
281 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
282 | break; | |
283 | case V4L2_TUNER_ANALOG_TV: | |
284 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
285 | break; | |
286 | case V4L2_TUNER_DIGITAL_TV: | |
287 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
288 | break; | |
56fc08ca | 289 | } |
793cf9e6 | 290 | return 0; |
56fc08ca | 291 | } |
56fc08ca | 292 | |
f7ce3cc6 | 293 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
294 | static int tuner_fixup_std(struct tuner *t) |
295 | { | |
296 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 | 297 | switch (pal[0]) { |
e71ced1a HV |
298 | case '6': |
299 | tuner_dbg ("insmod fixup: PAL => PAL-60\n"); | |
300 | t->std = V4L2_STD_PAL_60; | |
301 | break; | |
1da177e4 LT |
302 | case 'b': |
303 | case 'B': | |
304 | case 'g': | |
305 | case 'G': | |
f7ce3cc6 | 306 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
307 | t->std = V4L2_STD_PAL_BG; |
308 | break; | |
309 | case 'i': | |
310 | case 'I': | |
f7ce3cc6 | 311 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
312 | t->std = V4L2_STD_PAL_I; |
313 | break; | |
314 | case 'd': | |
315 | case 'D': | |
316 | case 'k': | |
317 | case 'K': | |
f7ce3cc6 | 318 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
319 | t->std = V4L2_STD_PAL_DK; |
320 | break; | |
f7ce3cc6 MCC |
321 | case 'M': |
322 | case 'm': | |
323 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
324 | t->std = V4L2_STD_PAL_M; | |
325 | break; | |
326 | case 'N': | |
327 | case 'n': | |
7e578191 MCC |
328 | if (pal[1] == 'c' || pal[1] == 'C') { |
329 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
330 | t->std = V4L2_STD_PAL_Nc; | |
331 | } else { | |
332 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
333 | t->std = V4L2_STD_PAL_N; | |
334 | } | |
f7ce3cc6 | 335 | break; |
21d4df37 MCC |
336 | case '-': |
337 | /* default parameter, do nothing */ | |
338 | break; | |
339 | default: | |
340 | tuner_warn ("pal= argument not recognised\n"); | |
341 | break; | |
1da177e4 LT |
342 | } |
343 | } | |
f7ce3cc6 MCC |
344 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
345 | switch (secam[0]) { | |
7e578191 MCC |
346 | case 'b': |
347 | case 'B': | |
348 | case 'g': | |
349 | case 'G': | |
350 | case 'h': | |
351 | case 'H': | |
352 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
353 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
354 | break; | |
f7ce3cc6 MCC |
355 | case 'd': |
356 | case 'D': | |
357 | case 'k': | |
358 | case 'K': | |
359 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
360 | t->std = V4L2_STD_SECAM_DK; | |
361 | break; | |
362 | case 'l': | |
363 | case 'L': | |
800d3c6f MCC |
364 | if ((secam[1]=='C')||(secam[1]=='c')) { |
365 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
366 | t->std = V4L2_STD_SECAM_LC; | |
367 | } else { | |
368 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
369 | t->std = V4L2_STD_SECAM_L; | |
370 | } | |
f7ce3cc6 | 371 | break; |
21d4df37 MCC |
372 | case '-': |
373 | /* default parameter, do nothing */ | |
374 | break; | |
375 | default: | |
376 | tuner_warn ("secam= argument not recognised\n"); | |
377 | break; | |
f7ce3cc6 MCC |
378 | } |
379 | } | |
380 | ||
7e578191 MCC |
381 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
382 | switch (ntsc[0]) { | |
383 | case 'm': | |
384 | case 'M': | |
385 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
386 | t->std = V4L2_STD_NTSC_M; | |
387 | break; | |
388 | case 'j': | |
389 | case 'J': | |
390 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
391 | t->std = V4L2_STD_NTSC_M_JP; | |
392 | break; | |
d97a11e0 HV |
393 | case 'k': |
394 | case 'K': | |
395 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
396 | t->std = V4L2_STD_NTSC_M_KR; | |
397 | break; | |
7e578191 MCC |
398 | case '-': |
399 | /* default parameter, do nothing */ | |
400 | break; | |
401 | default: | |
402 | tuner_info("ntsc= argument not recognised\n"); | |
403 | break; | |
404 | } | |
405 | } | |
1da177e4 LT |
406 | return 0; |
407 | } | |
408 | ||
7e578191 MCC |
409 | static void tuner_status(struct i2c_client *client) |
410 | { | |
411 | struct tuner *t = i2c_get_clientdata(client); | |
412 | unsigned long freq, freq_fraction; | |
413 | const char *p; | |
414 | ||
415 | switch (t->mode) { | |
416 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
417 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
418 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
419 | default: p = "undefined"; break; | |
420 | } | |
421 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
422 | freq = t->radio_freq / 16000; |
423 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 424 | } else { |
27487d44 HV |
425 | freq = t->tv_freq / 16; |
426 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
427 | } |
428 | tuner_info("Tuner mode: %s\n", p); | |
429 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 430 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
431 | if (t->mode != V4L2_TUNER_RADIO) |
432 | return; | |
7a91a80a MK |
433 | if (t->ops.has_signal) { |
434 | tuner_info("Signal strength: %d\n", t->ops.has_signal(client)); | |
8a4b275f | 435 | } |
7a91a80a MK |
436 | if (t->ops.is_stereo) { |
437 | tuner_info("Stereo: %s\n", t->ops.is_stereo(client) ? "yes" : "no"); | |
7e578191 MCC |
438 | } |
439 | } | |
8a4b275f | 440 | |
1da177e4 LT |
441 | /* ---------------------------------------------------------------------- */ |
442 | ||
ba8fc399 | 443 | /* static vars: used only in tuner_attach and tuner_probe */ |
f7ce3cc6 MCC |
444 | static unsigned default_mode_mask; |
445 | ||
446 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
447 | set_type must then be completed by tuner_attach. | |
448 | */ | |
1da177e4 LT |
449 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
450 | { | |
451 | struct tuner *t; | |
452 | ||
f7ce3cc6 MCC |
453 | client_template.adapter = adap; |
454 | client_template.addr = addr; | |
1da177e4 | 455 | |
7408187d | 456 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
f7ce3cc6 MCC |
457 | if (NULL == t) |
458 | return -ENOMEM; | |
f7ce3cc6 | 459 | memcpy(&t->i2c, &client_template, sizeof(struct i2c_client)); |
1da177e4 | 460 | i2c_set_clientdata(&t->i2c, t); |
f7ce3cc6 | 461 | t->type = UNSET; |
f7ce3cc6 MCC |
462 | t->audmode = V4L2_TUNER_MODE_STEREO; |
463 | t->mode_mask = T_UNINITIALIZED; | |
7a91a80a | 464 | t->ops.tuner_status = tuner_status; |
f7ce3cc6 | 465 | |
fd3113e8 MCC |
466 | if (show_i2c) { |
467 | unsigned char buffer[16]; | |
468 | int i,rc; | |
469 | ||
470 | memset(buffer, 0, sizeof(buffer)); | |
471 | rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer)); | |
67678360 | 472 | tuner_info("I2C RECV = "); |
fd3113e8 MCC |
473 | for (i=0;i<rc;i++) |
474 | printk("%02x ",buffer[i]); | |
475 | printk("\n"); | |
476 | } | |
c28089a6 MH |
477 | /* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */ |
478 | if (adap->id == I2C_HW_SAA7146 && addr < 0x4a) | |
479 | return -ENODEV; | |
480 | ||
257c645d | 481 | /* autodetection code based on the i2c addr */ |
c5287ba1 | 482 | if (!no_autodetect) { |
13dd38d0 | 483 | switch (addr) { |
9ee476a5 | 484 | #ifdef CONFIG_TUNER_TEA5761 |
8573a9e6 MCC |
485 | case 0x10: |
486 | if (tea5761_autodetection(&t->i2c) != EINVAL) { | |
487 | t->type = TUNER_TEA5761; | |
488 | t->mode_mask = T_RADIO; | |
489 | t->mode = T_STANDBY; | |
490 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
491 | default_mode_mask &= ~T_RADIO; | |
492 | ||
493 | goto register_client; | |
494 | } | |
495 | break; | |
496 | #endif | |
13dd38d0 MCC |
497 | case 0x42: |
498 | case 0x43: | |
499 | case 0x4a: | |
95736034 | 500 | case 0x4b: |
67678360 MCC |
501 | /* If chip is not tda8290, don't register. |
502 | since it can be tda9887*/ | |
15396236 MCC |
503 | if (tda8290_probe(&t->i2c) == 0) { |
504 | tuner_dbg("chip at addr %x is a tda8290\n", addr); | |
505 | } else { | |
506 | /* Default is being tda9887 */ | |
507 | t->type = TUNER_TDA9887; | |
508 | t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; | |
509 | t->mode = T_STANDBY; | |
510 | goto register_client; | |
13dd38d0 | 511 | } |
07345f5d HH |
512 | break; |
513 | case 0x60: | |
514 | if (tea5767_autodetection(&t->i2c) != EINVAL) { | |
515 | t->type = TUNER_TEA5767; | |
516 | t->mode_mask = T_RADIO; | |
517 | t->mode = T_STANDBY; | |
27487d44 | 518 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ |
07345f5d | 519 | default_mode_mask &= ~T_RADIO; |
13dd38d0 | 520 | |
07345f5d HH |
521 | goto register_client; |
522 | } | |
523 | break; | |
f7ce3cc6 MCC |
524 | } |
525 | } | |
1da177e4 | 526 | |
f7ce3cc6 MCC |
527 | /* Initializes only the first adapter found */ |
528 | if (default_mode_mask != T_UNINITIALIZED) { | |
529 | tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask); | |
530 | t->mode_mask = default_mode_mask; | |
27487d44 HV |
531 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ |
532 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
f7ce3cc6 MCC |
533 | default_mode_mask = T_UNINITIALIZED; |
534 | } | |
56fc08ca | 535 | |
f7ce3cc6 | 536 | /* Should be just before return */ |
67678360 MCC |
537 | register_client: |
538 | tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); | |
f7ce3cc6 | 539 | i2c_attach_client (&t->i2c); |
cfeb8839 | 540 | set_type (&t->i2c,t->type, t->mode_mask, t->config, t->tuner_callback); |
1da177e4 LT |
541 | return 0; |
542 | } | |
543 | ||
544 | static int tuner_probe(struct i2c_adapter *adap) | |
545 | { | |
546 | if (0 != addr) { | |
f5bec396 MCC |
547 | normal_i2c[0] = addr; |
548 | normal_i2c[1] = I2C_CLIENT_END; | |
1da177e4 | 549 | } |
1da177e4 | 550 | |
f7ce3cc6 | 551 | default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; |
391cd727 | 552 | |
1da177e4 LT |
553 | if (adap->class & I2C_CLASS_TV_ANALOG) |
554 | return i2c_probe(adap, &addr_data, tuner_attach); | |
555 | return 0; | |
556 | } | |
557 | ||
558 | static int tuner_detach(struct i2c_client *client) | |
559 | { | |
560 | struct tuner *t = i2c_get_clientdata(client); | |
391cd727 MCC |
561 | int err; |
562 | ||
f7ce3cc6 | 563 | err = i2c_detach_client(&t->i2c); |
391cd727 | 564 | if (err) { |
f7ce3cc6 MCC |
565 | tuner_warn |
566 | ("Client deregistration failed, client not detached.\n"); | |
391cd727 MCC |
567 | return err; |
568 | } | |
1da177e4 | 569 | |
7a91a80a MK |
570 | if (t->ops.release) |
571 | t->ops.release(client); | |
052c50d9 MK |
572 | else { |
573 | kfree(t->priv); | |
574 | } | |
1da177e4 LT |
575 | kfree(t); |
576 | return 0; | |
577 | } | |
578 | ||
f7ce3cc6 MCC |
579 | /* |
580 | * Switch tuner to other mode. If tuner support both tv and radio, | |
581 | * set another frequency to some value (This is needed for some pal | |
582 | * tuners to avoid locking). Otherwise, just put second tuner in | |
583 | * standby mode. | |
584 | */ | |
585 | ||
586 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
587 | { | |
4ac97914 MCC |
588 | if (mode == t->mode) |
589 | return 0; | |
590 | ||
591 | t->mode = mode; | |
592 | ||
593 | if (check_mode(t, cmd) == EINVAL) { | |
594 | t->mode = T_STANDBY; | |
7a91a80a MK |
595 | if (t->ops.standby) |
596 | t->ops.standby (client); | |
4ac97914 MCC |
597 | return EINVAL; |
598 | } | |
599 | return 0; | |
f7ce3cc6 MCC |
600 | } |
601 | ||
602 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
603 | tuner_dbg("switching to v4l2\n"); \ |
604 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
605 | |
606 | static inline int check_v4l2(struct tuner *t) | |
607 | { | |
3bbe5a83 HV |
608 | /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for |
609 | TV, v4l1 for radio), until that is fixed this code is disabled. | |
610 | Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2) | |
611 | first. */ | |
f7ce3cc6 MCC |
612 | return 0; |
613 | } | |
1da177e4 | 614 | |
f7ce3cc6 | 615 | static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
1da177e4 LT |
616 | { |
617 | struct tuner *t = i2c_get_clientdata(client); | |
1da177e4 | 618 | |
f9195ded | 619 | if (tuner_debug>1) |
5e453dc7 MK |
620 | v4l_i2c_print_ioctl(&(t->i2c),cmd); |
621 | ||
f7ce3cc6 | 622 | switch (cmd) { |
1da177e4 | 623 | /* --- configuration --- */ |
56fc08ca | 624 | case TUNER_SET_TYPE_ADDR: |
de956c1e | 625 | tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n", |
f7ce3cc6 MCC |
626 | ((struct tuner_setup *)arg)->type, |
627 | ((struct tuner_setup *)arg)->addr, | |
de956c1e HH |
628 | ((struct tuner_setup *)arg)->mode_mask, |
629 | ((struct tuner_setup *)arg)->config); | |
f7ce3cc6 MCC |
630 | |
631 | set_addr(client, (struct tuner_setup *)arg); | |
391cd727 | 632 | break; |
1da177e4 | 633 | case AUDC_SET_RADIO: |
27487d44 HV |
634 | if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO") |
635 | == EINVAL) | |
636 | return 0; | |
637 | if (t->radio_freq) | |
638 | set_freq(client, t->radio_freq); | |
1da177e4 | 639 | break; |
793cf9e6 | 640 | case TUNER_SET_STANDBY: |
27487d44 HV |
641 | if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL) |
642 | return 0; | |
15396236 | 643 | t->mode = T_STANDBY; |
7a91a80a MK |
644 | if (t->ops.standby) |
645 | t->ops.standby (client); | |
27487d44 | 646 | break; |
985bc96e | 647 | #ifdef CONFIG_VIDEO_V4L1 |
fd3113e8 MCC |
648 | case VIDIOCSAUDIO: |
649 | if (check_mode(t, "VIDIOCSAUDIO") == EINVAL) | |
650 | return 0; | |
651 | if (check_v4l2(t) == EINVAL) | |
652 | return 0; | |
653 | ||
654 | /* Should be implemented, since bttv calls it */ | |
655 | tuner_dbg("VIDIOCSAUDIO not implemented.\n"); | |
f7ce3cc6 | 656 | break; |
1da177e4 | 657 | case VIDIOCSCHAN: |
f7ce3cc6 MCC |
658 | { |
659 | static const v4l2_std_id map[] = { | |
660 | [VIDEO_MODE_PAL] = V4L2_STD_PAL, | |
661 | [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M, | |
662 | [VIDEO_MODE_SECAM] = V4L2_STD_SECAM, | |
663 | [4 /* bttv */ ] = V4L2_STD_PAL_M, | |
664 | [5 /* bttv */ ] = V4L2_STD_PAL_N, | |
665 | [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
666 | }; | |
667 | struct video_channel *vc = arg; | |
668 | ||
669 | if (check_v4l2(t) == EINVAL) | |
670 | return 0; | |
671 | ||
672 | if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL) | |
673 | return 0; | |
674 | ||
675 | if (vc->norm < ARRAY_SIZE(map)) | |
676 | t->std = map[vc->norm]; | |
677 | tuner_fixup_std(t); | |
27487d44 HV |
678 | if (t->tv_freq) |
679 | set_tv_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
680 | return 0; |
681 | } | |
1da177e4 | 682 | case VIDIOCSFREQ: |
f7ce3cc6 MCC |
683 | { |
684 | unsigned long *v = arg; | |
1da177e4 | 685 | |
f7ce3cc6 MCC |
686 | if (check_mode(t, "VIDIOCSFREQ") == EINVAL) |
687 | return 0; | |
688 | if (check_v4l2(t) == EINVAL) | |
689 | return 0; | |
690 | ||
691 | set_freq(client, *v); | |
692 | return 0; | |
693 | } | |
1da177e4 | 694 | case VIDIOCGTUNER: |
f7ce3cc6 MCC |
695 | { |
696 | struct video_tuner *vt = arg; | |
697 | ||
698 | if (check_mode(t, "VIDIOCGTUNER") == EINVAL) | |
699 | return 0; | |
700 | if (check_v4l2(t) == EINVAL) | |
701 | return 0; | |
702 | ||
703 | if (V4L2_TUNER_RADIO == t->mode) { | |
7a91a80a MK |
704 | if (t->ops.has_signal) |
705 | vt->signal = t->ops.has_signal(client); | |
706 | if (t->ops.is_stereo) { | |
707 | if (t->ops.is_stereo(client)) | |
f7ce3cc6 MCC |
708 | vt->flags |= |
709 | VIDEO_TUNER_STEREO_ON; | |
710 | else | |
711 | vt->flags &= | |
712 | ~VIDEO_TUNER_STEREO_ON; | |
713 | } | |
714 | vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ | |
586b0cab | 715 | |
f7ce3cc6 MCC |
716 | vt->rangelow = radio_range[0] * 16000; |
717 | vt->rangehigh = radio_range[1] * 16000; | |
586b0cab | 718 | |
f7ce3cc6 MCC |
719 | } else { |
720 | vt->rangelow = tv_range[0] * 16; | |
721 | vt->rangehigh = tv_range[1] * 16; | |
722 | } | |
56fc08ca | 723 | |
f7ce3cc6 MCC |
724 | return 0; |
725 | } | |
1da177e4 | 726 | case VIDIOCGAUDIO: |
f7ce3cc6 MCC |
727 | { |
728 | struct video_audio *va = arg; | |
729 | ||
730 | if (check_mode(t, "VIDIOCGAUDIO") == EINVAL) | |
731 | return 0; | |
732 | if (check_v4l2(t) == EINVAL) | |
733 | return 0; | |
734 | ||
7a91a80a MK |
735 | if (V4L2_TUNER_RADIO == t->mode && t->ops.is_stereo) |
736 | va->mode = t->ops.is_stereo(client) | |
f7ce3cc6 MCC |
737 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; |
738 | return 0; | |
739 | } | |
985bc96e MCC |
740 | #endif |
741 | case TDA9887_SET_CONFIG: | |
742 | if (t->type == TUNER_TDA9887) { | |
743 | int *i = arg; | |
1da177e4 | 744 | |
985bc96e MCC |
745 | t->tda9887_config = *i; |
746 | set_freq(client, t->tv_freq); | |
747 | } | |
748 | break; | |
749 | /* --- v4l ioctls --- */ | |
750 | /* take care: bttv does userspace copying, we'll get a | |
751 | kernel pointer here... */ | |
1da177e4 | 752 | case VIDIOC_S_STD: |
f7ce3cc6 MCC |
753 | { |
754 | v4l2_std_id *id = arg; | |
1da177e4 | 755 | |
f7ce3cc6 MCC |
756 | if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD") |
757 | == EINVAL) | |
758 | return 0; | |
56fc08ca | 759 | |
f7ce3cc6 MCC |
760 | switch_v4l2(); |
761 | ||
762 | t->std = *id; | |
763 | tuner_fixup_std(t); | |
27487d44 HV |
764 | if (t->tv_freq) |
765 | set_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
766 | break; |
767 | } | |
1da177e4 | 768 | case VIDIOC_S_FREQUENCY: |
f7ce3cc6 MCC |
769 | { |
770 | struct v4l2_frequency *f = arg; | |
771 | ||
4f725cb3 HV |
772 | if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY") |
773 | == EINVAL) | |
774 | return 0; | |
f7ce3cc6 | 775 | switch_v4l2(); |
27487d44 | 776 | set_freq(client,f->frequency); |
c184ca36 | 777 | |
f7ce3cc6 MCC |
778 | break; |
779 | } | |
780 | case VIDIOC_G_FREQUENCY: | |
781 | { | |
782 | struct v4l2_frequency *f = arg; | |
783 | ||
784 | if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL) | |
785 | return 0; | |
786 | switch_v4l2(); | |
787 | f->type = t->mode; | |
27487d44 HV |
788 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? |
789 | t->radio_freq : t->tv_freq; | |
f7ce3cc6 MCC |
790 | break; |
791 | } | |
1da177e4 | 792 | case VIDIOC_G_TUNER: |
f7ce3cc6 MCC |
793 | { |
794 | struct v4l2_tuner *tuner = arg; | |
795 | ||
796 | if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL) | |
797 | return 0; | |
798 | switch_v4l2(); | |
799 | ||
8a4b275f | 800 | tuner->type = t->mode; |
7a91a80a MK |
801 | if (t->ops.get_afc) |
802 | tuner->afc=t->ops.get_afc(client); | |
ab4cecf9 HV |
803 | if (t->mode == V4L2_TUNER_ANALOG_TV) |
804 | tuner->capability |= V4L2_TUNER_CAP_NORM; | |
8a4b275f | 805 | if (t->mode != V4L2_TUNER_RADIO) { |
f7ce3cc6 MCC |
806 | tuner->rangelow = tv_range[0] * 16; |
807 | tuner->rangehigh = tv_range[1] * 16; | |
8a4b275f HV |
808 | break; |
809 | } | |
810 | ||
811 | /* radio mode */ | |
7a91a80a MK |
812 | if (t->ops.has_signal) |
813 | tuner->signal = t->ops.has_signal(client); | |
8a4b275f HV |
814 | |
815 | tuner->rxsubchans = | |
816 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
7a91a80a MK |
817 | if (t->ops.is_stereo) { |
818 | tuner->rxsubchans = t->ops.is_stereo(client) ? | |
8a4b275f | 819 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; |
56fc08ca | 820 | } |
8a4b275f HV |
821 | |
822 | tuner->capability |= | |
823 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
824 | tuner->audmode = t->audmode; | |
825 | tuner->rangelow = radio_range[0] * 16000; | |
826 | tuner->rangehigh = radio_range[1] * 16000; | |
f7ce3cc6 MCC |
827 | break; |
828 | } | |
829 | case VIDIOC_S_TUNER: | |
830 | { | |
831 | struct v4l2_tuner *tuner = arg; | |
832 | ||
833 | if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL) | |
834 | return 0; | |
835 | ||
836 | switch_v4l2(); | |
837 | ||
8a4b275f HV |
838 | /* do nothing unless we're a radio tuner */ |
839 | if (t->mode != V4L2_TUNER_RADIO) | |
840 | break; | |
841 | t->audmode = tuner->audmode; | |
842 | set_radio_freq(client, t->radio_freq); | |
f7ce3cc6 | 843 | break; |
56fc08ca | 844 | } |
cd43c3f6 | 845 | case VIDIOC_LOG_STATUS: |
7a91a80a MK |
846 | if (t->ops.tuner_status) |
847 | t->ops.tuner_status(client); | |
cd43c3f6 | 848 | break; |
1da177e4 LT |
849 | } |
850 | ||
851 | return 0; | |
852 | } | |
853 | ||
21b48a70 | 854 | static int tuner_suspend(struct i2c_client *c, pm_message_t state) |
1da177e4 | 855 | { |
f7ce3cc6 | 856 | struct tuner *t = i2c_get_clientdata (c); |
1da177e4 | 857 | |
f7ce3cc6 | 858 | tuner_dbg ("suspend\n"); |
1da177e4 LT |
859 | /* FIXME: power down ??? */ |
860 | return 0; | |
861 | } | |
862 | ||
21b48a70 | 863 | static int tuner_resume(struct i2c_client *c) |
1da177e4 | 864 | { |
f7ce3cc6 | 865 | struct tuner *t = i2c_get_clientdata (c); |
1da177e4 | 866 | |
f7ce3cc6 | 867 | tuner_dbg ("resume\n"); |
27487d44 HV |
868 | if (V4L2_TUNER_RADIO == t->mode) { |
869 | if (t->radio_freq) | |
870 | set_freq(c, t->radio_freq); | |
871 | } else { | |
872 | if (t->tv_freq) | |
873 | set_freq(c, t->tv_freq); | |
874 | } | |
1da177e4 LT |
875 | return 0; |
876 | } | |
877 | ||
878 | /* ----------------------------------------------------------------------- */ | |
879 | ||
880 | static struct i2c_driver driver = { | |
f7ce3cc6 | 881 | .id = I2C_DRIVERID_TUNER, |
f7ce3cc6 MCC |
882 | .attach_adapter = tuner_probe, |
883 | .detach_client = tuner_detach, | |
884 | .command = tuner_command, | |
21b48a70 JD |
885 | .suspend = tuner_suspend, |
886 | .resume = tuner_resume, | |
1da177e4 | 887 | .driver = { |
cab462f7 | 888 | .name = "tuner", |
cab462f7 | 889 | }, |
1da177e4 | 890 | }; |
f7ce3cc6 | 891 | static struct i2c_client client_template = { |
fae91e72 | 892 | .name = "(tuner unset)", |
f7ce3cc6 | 893 | .driver = &driver, |
1da177e4 LT |
894 | }; |
895 | ||
896 | static int __init tuner_init_module(void) | |
897 | { | |
898 | return i2c_add_driver(&driver); | |
899 | } | |
900 | ||
901 | static void __exit tuner_cleanup_module(void) | |
902 | { | |
903 | i2c_del_driver(&driver); | |
904 | } | |
905 | ||
906 | module_init(tuner_init_module); | |
907 | module_exit(tuner_cleanup_module); | |
908 | ||
909 | /* | |
910 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
911 | * --------------------------------------------------------------------------- | |
912 | * Local variables: | |
913 | * c-basic-offset: 8 | |
914 | * End: | |
915 | */ |