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> |
1da177e4 LT |
23 | |
24 | #define UNSET (-1U) | |
25 | ||
26 | /* standard i2c insmod options */ | |
27 | static unsigned short normal_i2c[] = { | |
8573a9e6 MCC |
28 | #ifdef CONFIG_TUNER_5761 |
29 | 0x10, | |
30 | #endif | |
de48eebc | 31 | 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ |
f5bec396 MCC |
32 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
33 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, | |
1da177e4 LT |
34 | I2C_CLIENT_END |
35 | }; | |
f7ce3cc6 | 36 | |
1da177e4 LT |
37 | I2C_CLIENT_INSMOD; |
38 | ||
39 | /* insmod options used at init time => read/only */ | |
f7ce3cc6 | 40 | static unsigned int addr = 0; |
c5287ba1 | 41 | static unsigned int no_autodetect = 0; |
fd3113e8 | 42 | static unsigned int show_i2c = 0; |
fd3113e8 | 43 | |
1da177e4 | 44 | /* insmod options used at runtime => read/write */ |
f9195ded | 45 | int tuner_debug = 0; |
1da177e4 | 46 | |
f7ce3cc6 | 47 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
48 | static unsigned int radio_range[2] = { 65, 108 }; |
49 | ||
7e578191 MCC |
50 | static char pal[] = "--"; |
51 | static char secam[] = "--"; | |
52 | static char ntsc[] = "-"; | |
53 | ||
f9195ded | 54 | |
7e578191 MCC |
55 | module_param(addr, int, 0444); |
56 | module_param(no_autodetect, int, 0444); | |
57 | module_param(show_i2c, int, 0444); | |
f9195ded | 58 | module_param_named(debug,tuner_debug, int, 0644); |
7e578191 MCC |
59 | module_param_string(pal, pal, sizeof(pal), 0644); |
60 | module_param_string(secam, secam, sizeof(secam), 0644); | |
61 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 62 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
63 | module_param_array(radio_range, int, NULL, 0644); |
64 | ||
65 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
66 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
67 | MODULE_LICENSE("GPL"); | |
68 | ||
1da177e4 LT |
69 | static struct i2c_driver driver; |
70 | static struct i2c_client client_template; | |
71 | ||
72 | /* ---------------------------------------------------------------------- */ | |
73 | ||
56fc08ca | 74 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
75 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
76 | { | |
77 | struct tuner *t = i2c_get_clientdata(c); | |
78 | ||
79 | if (t->type == UNSET) { | |
f7ce3cc6 | 80 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
81 | return; |
82 | } | |
27487d44 | 83 | if (NULL == t->set_tv_freq) { |
f7ce3cc6 | 84 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
85 | return; |
86 | } | |
f7ce3cc6 MCC |
87 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
88 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
89 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
90 | tv_range[1]); | |
27487d44 HV |
91 | /* V4L2 spec: if the freq is not possible then the closest |
92 | possible value should be selected */ | |
93 | if (freq < tv_range[0] * 16) | |
94 | freq = tv_range[0] * 16; | |
95 | else | |
96 | freq = tv_range[1] * 16; | |
1da177e4 | 97 | } |
27487d44 | 98 | t->set_tv_freq(c, freq); |
1da177e4 LT |
99 | } |
100 | ||
101 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
102 | { | |
103 | struct tuner *t = i2c_get_clientdata(c); | |
104 | ||
105 | if (t->type == UNSET) { | |
f7ce3cc6 | 106 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
107 | return; |
108 | } | |
27487d44 | 109 | if (NULL == t->set_radio_freq) { |
f7ce3cc6 | 110 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
111 | return; |
112 | } | |
27487d44 | 113 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
114 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
115 | freq / 16000, freq % 16000 * 100 / 16000, | |
116 | radio_range[0], radio_range[1]); | |
27487d44 HV |
117 | /* V4L2 spec: if the freq is not possible then the closest |
118 | possible value should be selected */ | |
119 | if (freq < radio_range[0] * 16000) | |
120 | freq = radio_range[0] * 16000; | |
121 | else | |
122 | freq = radio_range[1] * 16000; | |
1da177e4 | 123 | } |
586b0cab | 124 | |
27487d44 | 125 | t->set_radio_freq(c, freq); |
1da177e4 LT |
126 | } |
127 | ||
128 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
129 | { | |
130 | struct tuner *t = i2c_get_clientdata(c); | |
131 | ||
132 | switch (t->mode) { | |
133 | case V4L2_TUNER_RADIO: | |
134 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
135 | freq / 16000, freq % 16000 * 100 / 16000); |
136 | set_radio_freq(c, freq); | |
27487d44 | 137 | t->radio_freq = freq; |
1da177e4 LT |
138 | break; |
139 | case V4L2_TUNER_ANALOG_TV: | |
140 | case V4L2_TUNER_DIGITAL_TV: | |
141 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 142 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 143 | set_tv_freq(c, freq); |
27487d44 | 144 | t->tv_freq = freq; |
1da177e4 LT |
145 | break; |
146 | } | |
1da177e4 LT |
147 | } |
148 | ||
f7ce3cc6 | 149 | static void set_type(struct i2c_client *c, unsigned int type, |
de956c1e | 150 | unsigned int new_mode_mask, unsigned int new_config, |
cfeb8839 | 151 | int (*tuner_callback) (void *dev, int command,int arg)) |
1da177e4 LT |
152 | { |
153 | struct tuner *t = i2c_get_clientdata(c); | |
586b0cab | 154 | unsigned char buffer[4]; |
1da177e4 | 155 | |
f7ce3cc6 MCC |
156 | if (type == UNSET || type == TUNER_ABSENT) { |
157 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 158 | return; |
f7ce3cc6 MCC |
159 | } |
160 | ||
161 | if (type >= tuner_count) { | |
162 | tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count); | |
1da177e4 | 163 | return; |
f7ce3cc6 | 164 | } |
1da177e4 | 165 | |
80f90fba HH |
166 | t->type = type; |
167 | t->config = new_config; | |
168 | if (tuner_callback != NULL) { | |
169 | tuner_dbg("defining GPIO callback\n"); | |
170 | t->tuner_callback = tuner_callback; | |
171 | } | |
172 | ||
f7ce3cc6 | 173 | /* This code detects calls by card attach_inform */ |
1da177e4 | 174 | if (NULL == t->i2c.dev.driver) { |
f7ce3cc6 MCC |
175 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
176 | ||
1da177e4 LT |
177 | return; |
178 | } | |
56fc08ca | 179 | |
1da177e4 LT |
180 | switch (t->type) { |
181 | case TUNER_MT2032: | |
182 | microtune_init(c); | |
183 | break; | |
184 | case TUNER_PHILIPS_TDA8290: | |
185 | tda8290_init(c); | |
186 | break; | |
586b0cab | 187 | case TUNER_TEA5767: |
f7ce3cc6 MCC |
188 | if (tea5767_tuner_init(c) == EINVAL) { |
189 | t->type = TUNER_ABSENT; | |
190 | t->mode_mask = T_UNINITIALIZED; | |
191 | return; | |
192 | } | |
193 | t->mode_mask = T_RADIO; | |
586b0cab | 194 | break; |
8573a9e6 MCC |
195 | #ifdef CONFIG_TUNER_5761 |
196 | case TUNER_TEA5761: | |
197 | if (tea5761_tuner_init(c) == EINVAL) { | |
198 | t->type = TUNER_ABSENT; | |
199 | t->mode_mask = T_UNINITIALIZED; | |
200 | return -ENODEV; | |
201 | } | |
202 | t->mode_mask = T_RADIO; | |
203 | break; | |
204 | #endif | |
586b0cab MCC |
205 | case TUNER_PHILIPS_FMD1216ME_MK3: |
206 | buffer[0] = 0x0b; | |
207 | buffer[1] = 0xdc; | |
208 | buffer[2] = 0x9c; | |
209 | buffer[3] = 0x60; | |
f7ce3cc6 | 210 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
211 | mdelay(1); |
212 | buffer[2] = 0x86; | |
213 | buffer[3] = 0x54; | |
f7ce3cc6 | 214 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
215 | default_tuner_init(c); |
216 | break; | |
93df3413 HH |
217 | case TUNER_PHILIPS_TD1316: |
218 | buffer[0] = 0x0b; | |
219 | buffer[1] = 0xdc; | |
220 | buffer[2] = 0x86; | |
221 | buffer[3] = 0xa4; | |
222 | i2c_master_send(c,buffer,4); | |
223 | default_tuner_init(c); | |
ac272ed7 | 224 | break; |
15396236 MCC |
225 | case TUNER_TDA9887: |
226 | tda9887_tuner_init(c); | |
227 | break; | |
1da177e4 LT |
228 | default: |
229 | default_tuner_init(c); | |
230 | break; | |
231 | } | |
f7ce3cc6 MCC |
232 | |
233 | if (t->mode_mask == T_UNINITIALIZED) | |
234 | t->mode_mask = new_mode_mask; | |
235 | ||
27487d44 | 236 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq); |
f7ce3cc6 | 237 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 238 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 239 | t->mode_mask); |
1da177e4 LT |
240 | } |
241 | ||
f7ce3cc6 MCC |
242 | /* |
243 | * This function apply tuner config to tuner specified | |
244 | * by tun_setup structure. I addr is unset, then admin status | |
245 | * and tun addr status is more precise then current status, | |
246 | * it's applied. Otherwise status and type are applied only to | |
247 | * tuner with exactly the same addr. | |
248 | */ | |
249 | ||
250 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
251 | { | |
252 | struct tuner *t = i2c_get_clientdata(c); | |
253 | ||
15396236 MCC |
254 | tuner_dbg("set addr for type %i\n", t->type); |
255 | ||
de956c1e HH |
256 | if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) && |
257 | (t->mode_mask & tun_setup->mode_mask))) || | |
258 | (tun_setup->addr == c->addr)) { | |
259 | set_type(c, tun_setup->type, tun_setup->mode_mask, | |
cfeb8839 | 260 | tun_setup->config, tun_setup->tuner_callback); |
f7ce3cc6 MCC |
261 | } |
262 | } | |
56fc08ca | 263 | |
f7ce3cc6 | 264 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 265 | { |
793cf9e6 MCC |
266 | if ((1 << t->mode & t->mode_mask) == 0) { |
267 | return EINVAL; | |
268 | } | |
269 | ||
270 | switch (t->mode) { | |
271 | case V4L2_TUNER_RADIO: | |
272 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
273 | break; | |
274 | case V4L2_TUNER_ANALOG_TV: | |
275 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
276 | break; | |
277 | case V4L2_TUNER_DIGITAL_TV: | |
278 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
279 | break; | |
56fc08ca | 280 | } |
793cf9e6 | 281 | return 0; |
56fc08ca | 282 | } |
56fc08ca | 283 | |
f7ce3cc6 | 284 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
285 | static int tuner_fixup_std(struct tuner *t) |
286 | { | |
287 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 | 288 | switch (pal[0]) { |
e71ced1a HV |
289 | case '6': |
290 | tuner_dbg ("insmod fixup: PAL => PAL-60\n"); | |
291 | t->std = V4L2_STD_PAL_60; | |
292 | break; | |
1da177e4 LT |
293 | case 'b': |
294 | case 'B': | |
295 | case 'g': | |
296 | case 'G': | |
f7ce3cc6 | 297 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
298 | t->std = V4L2_STD_PAL_BG; |
299 | break; | |
300 | case 'i': | |
301 | case 'I': | |
f7ce3cc6 | 302 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
303 | t->std = V4L2_STD_PAL_I; |
304 | break; | |
305 | case 'd': | |
306 | case 'D': | |
307 | case 'k': | |
308 | case 'K': | |
f7ce3cc6 | 309 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
310 | t->std = V4L2_STD_PAL_DK; |
311 | break; | |
f7ce3cc6 MCC |
312 | case 'M': |
313 | case 'm': | |
314 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
315 | t->std = V4L2_STD_PAL_M; | |
316 | break; | |
317 | case 'N': | |
318 | case 'n': | |
7e578191 MCC |
319 | if (pal[1] == 'c' || pal[1] == 'C') { |
320 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
321 | t->std = V4L2_STD_PAL_Nc; | |
322 | } else { | |
323 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
324 | t->std = V4L2_STD_PAL_N; | |
325 | } | |
f7ce3cc6 | 326 | break; |
21d4df37 MCC |
327 | case '-': |
328 | /* default parameter, do nothing */ | |
329 | break; | |
330 | default: | |
331 | tuner_warn ("pal= argument not recognised\n"); | |
332 | break; | |
1da177e4 LT |
333 | } |
334 | } | |
f7ce3cc6 MCC |
335 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
336 | switch (secam[0]) { | |
7e578191 MCC |
337 | case 'b': |
338 | case 'B': | |
339 | case 'g': | |
340 | case 'G': | |
341 | case 'h': | |
342 | case 'H': | |
343 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
344 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
345 | break; | |
f7ce3cc6 MCC |
346 | case 'd': |
347 | case 'D': | |
348 | case 'k': | |
349 | case 'K': | |
350 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
351 | t->std = V4L2_STD_SECAM_DK; | |
352 | break; | |
353 | case 'l': | |
354 | case 'L': | |
800d3c6f MCC |
355 | if ((secam[1]=='C')||(secam[1]=='c')) { |
356 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
357 | t->std = V4L2_STD_SECAM_LC; | |
358 | } else { | |
359 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
360 | t->std = V4L2_STD_SECAM_L; | |
361 | } | |
f7ce3cc6 | 362 | break; |
21d4df37 MCC |
363 | case '-': |
364 | /* default parameter, do nothing */ | |
365 | break; | |
366 | default: | |
367 | tuner_warn ("secam= argument not recognised\n"); | |
368 | break; | |
f7ce3cc6 MCC |
369 | } |
370 | } | |
371 | ||
7e578191 MCC |
372 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
373 | switch (ntsc[0]) { | |
374 | case 'm': | |
375 | case 'M': | |
376 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
377 | t->std = V4L2_STD_NTSC_M; | |
378 | break; | |
379 | case 'j': | |
380 | case 'J': | |
381 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
382 | t->std = V4L2_STD_NTSC_M_JP; | |
383 | break; | |
d97a11e0 HV |
384 | case 'k': |
385 | case 'K': | |
386 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
387 | t->std = V4L2_STD_NTSC_M_KR; | |
388 | break; | |
7e578191 MCC |
389 | case '-': |
390 | /* default parameter, do nothing */ | |
391 | break; | |
392 | default: | |
393 | tuner_info("ntsc= argument not recognised\n"); | |
394 | break; | |
395 | } | |
396 | } | |
1da177e4 LT |
397 | return 0; |
398 | } | |
399 | ||
7e578191 MCC |
400 | static void tuner_status(struct i2c_client *client) |
401 | { | |
402 | struct tuner *t = i2c_get_clientdata(client); | |
403 | unsigned long freq, freq_fraction; | |
404 | const char *p; | |
405 | ||
406 | switch (t->mode) { | |
407 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
408 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
409 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
410 | default: p = "undefined"; break; | |
411 | } | |
412 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
413 | freq = t->radio_freq / 16000; |
414 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 415 | } else { |
27487d44 HV |
416 | freq = t->tv_freq / 16; |
417 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
418 | } |
419 | tuner_info("Tuner mode: %s\n", p); | |
420 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 421 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
422 | if (t->mode != V4L2_TUNER_RADIO) |
423 | return; | |
424 | if (t->has_signal) { | |
425 | tuner_info("Signal strength: %d\n", t->has_signal(client)); | |
426 | } | |
427 | if (t->is_stereo) { | |
428 | tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no"); | |
7e578191 MCC |
429 | } |
430 | } | |
8a4b275f | 431 | |
1da177e4 LT |
432 | /* ---------------------------------------------------------------------- */ |
433 | ||
ba8fc399 | 434 | /* static vars: used only in tuner_attach and tuner_probe */ |
f7ce3cc6 MCC |
435 | static unsigned default_mode_mask; |
436 | ||
437 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
438 | set_type must then be completed by tuner_attach. | |
439 | */ | |
1da177e4 LT |
440 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
441 | { | |
442 | struct tuner *t; | |
443 | ||
f7ce3cc6 MCC |
444 | client_template.adapter = adap; |
445 | client_template.addr = addr; | |
1da177e4 | 446 | |
7408187d | 447 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
f7ce3cc6 MCC |
448 | if (NULL == t) |
449 | return -ENOMEM; | |
f7ce3cc6 | 450 | memcpy(&t->i2c, &client_template, sizeof(struct i2c_client)); |
1da177e4 | 451 | i2c_set_clientdata(&t->i2c, t); |
f7ce3cc6 MCC |
452 | t->type = UNSET; |
453 | t->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ | |
454 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
455 | t->mode_mask = T_UNINITIALIZED; | |
15396236 | 456 | t->tuner_status = tuner_status; |
f7ce3cc6 | 457 | |
fd3113e8 MCC |
458 | if (show_i2c) { |
459 | unsigned char buffer[16]; | |
460 | int i,rc; | |
461 | ||
462 | memset(buffer, 0, sizeof(buffer)); | |
463 | rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer)); | |
67678360 | 464 | tuner_info("I2C RECV = "); |
fd3113e8 MCC |
465 | for (i=0;i<rc;i++) |
466 | printk("%02x ",buffer[i]); | |
467 | printk("\n"); | |
468 | } | |
c28089a6 MH |
469 | /* HACK: This test were added to avoid tuner to probe tda9840 and tea6415c on the MXB card */ |
470 | if (adap->id == I2C_HW_SAA7146 && addr < 0x4a) | |
471 | return -ENODEV; | |
472 | ||
257c645d | 473 | /* autodetection code based on the i2c addr */ |
c5287ba1 | 474 | if (!no_autodetect) { |
13dd38d0 | 475 | switch (addr) { |
8573a9e6 MCC |
476 | #ifdef CONFIG_TUNER_5761 |
477 | case 0x10: | |
478 | if (tea5761_autodetection(&t->i2c) != EINVAL) { | |
479 | t->type = TUNER_TEA5761; | |
480 | t->mode_mask = T_RADIO; | |
481 | t->mode = T_STANDBY; | |
482 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
483 | default_mode_mask &= ~T_RADIO; | |
484 | ||
485 | goto register_client; | |
486 | } | |
487 | break; | |
488 | #endif | |
13dd38d0 MCC |
489 | case 0x42: |
490 | case 0x43: | |
491 | case 0x4a: | |
95736034 | 492 | case 0x4b: |
67678360 MCC |
493 | /* If chip is not tda8290, don't register. |
494 | since it can be tda9887*/ | |
15396236 MCC |
495 | if (tda8290_probe(&t->i2c) == 0) { |
496 | tuner_dbg("chip at addr %x is a tda8290\n", addr); | |
497 | } else { | |
498 | /* Default is being tda9887 */ | |
499 | t->type = TUNER_TDA9887; | |
500 | t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; | |
501 | t->mode = T_STANDBY; | |
502 | goto register_client; | |
13dd38d0 | 503 | } |
07345f5d HH |
504 | break; |
505 | case 0x60: | |
506 | if (tea5767_autodetection(&t->i2c) != EINVAL) { | |
507 | t->type = TUNER_TEA5767; | |
508 | t->mode_mask = T_RADIO; | |
509 | t->mode = T_STANDBY; | |
27487d44 | 510 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ |
07345f5d | 511 | default_mode_mask &= ~T_RADIO; |
13dd38d0 | 512 | |
07345f5d HH |
513 | goto register_client; |
514 | } | |
515 | break; | |
f7ce3cc6 MCC |
516 | } |
517 | } | |
1da177e4 | 518 | |
f7ce3cc6 MCC |
519 | /* Initializes only the first adapter found */ |
520 | if (default_mode_mask != T_UNINITIALIZED) { | |
521 | tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask); | |
522 | t->mode_mask = default_mode_mask; | |
27487d44 HV |
523 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ |
524 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
f7ce3cc6 MCC |
525 | default_mode_mask = T_UNINITIALIZED; |
526 | } | |
56fc08ca | 527 | |
f7ce3cc6 | 528 | /* Should be just before return */ |
67678360 MCC |
529 | register_client: |
530 | tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); | |
f7ce3cc6 | 531 | i2c_attach_client (&t->i2c); |
cfeb8839 | 532 | set_type (&t->i2c,t->type, t->mode_mask, t->config, t->tuner_callback); |
1da177e4 LT |
533 | return 0; |
534 | } | |
535 | ||
536 | static int tuner_probe(struct i2c_adapter *adap) | |
537 | { | |
538 | if (0 != addr) { | |
f5bec396 MCC |
539 | normal_i2c[0] = addr; |
540 | normal_i2c[1] = I2C_CLIENT_END; | |
1da177e4 | 541 | } |
1da177e4 | 542 | |
f7ce3cc6 | 543 | default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; |
391cd727 | 544 | |
1da177e4 LT |
545 | if (adap->class & I2C_CLASS_TV_ANALOG) |
546 | return i2c_probe(adap, &addr_data, tuner_attach); | |
547 | return 0; | |
548 | } | |
549 | ||
550 | static int tuner_detach(struct i2c_client *client) | |
551 | { | |
552 | struct tuner *t = i2c_get_clientdata(client); | |
391cd727 MCC |
553 | int err; |
554 | ||
f7ce3cc6 | 555 | err = i2c_detach_client(&t->i2c); |
391cd727 | 556 | if (err) { |
f7ce3cc6 MCC |
557 | tuner_warn |
558 | ("Client deregistration failed, client not detached.\n"); | |
391cd727 MCC |
559 | return err; |
560 | } | |
1da177e4 | 561 | |
1da177e4 LT |
562 | kfree(t); |
563 | return 0; | |
564 | } | |
565 | ||
f7ce3cc6 MCC |
566 | /* |
567 | * Switch tuner to other mode. If tuner support both tv and radio, | |
568 | * set another frequency to some value (This is needed for some pal | |
569 | * tuners to avoid locking). Otherwise, just put second tuner in | |
570 | * standby mode. | |
571 | */ | |
572 | ||
573 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
574 | { | |
4ac97914 MCC |
575 | if (mode == t->mode) |
576 | return 0; | |
577 | ||
578 | t->mode = mode; | |
579 | ||
580 | if (check_mode(t, cmd) == EINVAL) { | |
581 | t->mode = T_STANDBY; | |
582 | if (t->standby) | |
583 | t->standby (client); | |
584 | return EINVAL; | |
585 | } | |
586 | return 0; | |
f7ce3cc6 MCC |
587 | } |
588 | ||
589 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
590 | tuner_dbg("switching to v4l2\n"); \ |
591 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
592 | |
593 | static inline int check_v4l2(struct tuner *t) | |
594 | { | |
3bbe5a83 HV |
595 | /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for |
596 | TV, v4l1 for radio), until that is fixed this code is disabled. | |
597 | Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2) | |
598 | first. */ | |
f7ce3cc6 MCC |
599 | return 0; |
600 | } | |
1da177e4 | 601 | |
f7ce3cc6 | 602 | static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
1da177e4 LT |
603 | { |
604 | struct tuner *t = i2c_get_clientdata(client); | |
1da177e4 | 605 | |
f9195ded | 606 | if (tuner_debug>1) |
5e453dc7 MK |
607 | v4l_i2c_print_ioctl(&(t->i2c),cmd); |
608 | ||
f7ce3cc6 | 609 | switch (cmd) { |
1da177e4 | 610 | /* --- configuration --- */ |
56fc08ca | 611 | case TUNER_SET_TYPE_ADDR: |
de956c1e | 612 | tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n", |
f7ce3cc6 MCC |
613 | ((struct tuner_setup *)arg)->type, |
614 | ((struct tuner_setup *)arg)->addr, | |
de956c1e HH |
615 | ((struct tuner_setup *)arg)->mode_mask, |
616 | ((struct tuner_setup *)arg)->config); | |
f7ce3cc6 MCC |
617 | |
618 | set_addr(client, (struct tuner_setup *)arg); | |
391cd727 | 619 | break; |
1da177e4 | 620 | case AUDC_SET_RADIO: |
27487d44 HV |
621 | if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO") |
622 | == EINVAL) | |
623 | return 0; | |
624 | if (t->radio_freq) | |
625 | set_freq(client, t->radio_freq); | |
1da177e4 | 626 | break; |
793cf9e6 | 627 | case TUNER_SET_STANDBY: |
27487d44 HV |
628 | if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL) |
629 | return 0; | |
15396236 | 630 | t->mode = T_STANDBY; |
27487d44 HV |
631 | if (t->standby) |
632 | t->standby (client); | |
633 | break; | |
985bc96e | 634 | #ifdef CONFIG_VIDEO_V4L1 |
fd3113e8 MCC |
635 | case VIDIOCSAUDIO: |
636 | if (check_mode(t, "VIDIOCSAUDIO") == EINVAL) | |
637 | return 0; | |
638 | if (check_v4l2(t) == EINVAL) | |
639 | return 0; | |
640 | ||
641 | /* Should be implemented, since bttv calls it */ | |
642 | tuner_dbg("VIDIOCSAUDIO not implemented.\n"); | |
f7ce3cc6 | 643 | break; |
1da177e4 | 644 | case VIDIOCSCHAN: |
f7ce3cc6 MCC |
645 | { |
646 | static const v4l2_std_id map[] = { | |
647 | [VIDEO_MODE_PAL] = V4L2_STD_PAL, | |
648 | [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M, | |
649 | [VIDEO_MODE_SECAM] = V4L2_STD_SECAM, | |
650 | [4 /* bttv */ ] = V4L2_STD_PAL_M, | |
651 | [5 /* bttv */ ] = V4L2_STD_PAL_N, | |
652 | [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
653 | }; | |
654 | struct video_channel *vc = arg; | |
655 | ||
656 | if (check_v4l2(t) == EINVAL) | |
657 | return 0; | |
658 | ||
659 | if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL) | |
660 | return 0; | |
661 | ||
662 | if (vc->norm < ARRAY_SIZE(map)) | |
663 | t->std = map[vc->norm]; | |
664 | tuner_fixup_std(t); | |
27487d44 HV |
665 | if (t->tv_freq) |
666 | set_tv_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
667 | return 0; |
668 | } | |
1da177e4 | 669 | case VIDIOCSFREQ: |
f7ce3cc6 MCC |
670 | { |
671 | unsigned long *v = arg; | |
1da177e4 | 672 | |
f7ce3cc6 MCC |
673 | if (check_mode(t, "VIDIOCSFREQ") == EINVAL) |
674 | return 0; | |
675 | if (check_v4l2(t) == EINVAL) | |
676 | return 0; | |
677 | ||
678 | set_freq(client, *v); | |
679 | return 0; | |
680 | } | |
1da177e4 | 681 | case VIDIOCGTUNER: |
f7ce3cc6 MCC |
682 | { |
683 | struct video_tuner *vt = arg; | |
684 | ||
685 | if (check_mode(t, "VIDIOCGTUNER") == EINVAL) | |
686 | return 0; | |
687 | if (check_v4l2(t) == EINVAL) | |
688 | return 0; | |
689 | ||
690 | if (V4L2_TUNER_RADIO == t->mode) { | |
691 | if (t->has_signal) | |
692 | vt->signal = t->has_signal(client); | |
693 | if (t->is_stereo) { | |
694 | if (t->is_stereo(client)) | |
695 | vt->flags |= | |
696 | VIDEO_TUNER_STEREO_ON; | |
697 | else | |
698 | vt->flags &= | |
699 | ~VIDEO_TUNER_STEREO_ON; | |
700 | } | |
701 | vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ | |
586b0cab | 702 | |
f7ce3cc6 MCC |
703 | vt->rangelow = radio_range[0] * 16000; |
704 | vt->rangehigh = radio_range[1] * 16000; | |
586b0cab | 705 | |
f7ce3cc6 MCC |
706 | } else { |
707 | vt->rangelow = tv_range[0] * 16; | |
708 | vt->rangehigh = tv_range[1] * 16; | |
709 | } | |
56fc08ca | 710 | |
f7ce3cc6 MCC |
711 | return 0; |
712 | } | |
1da177e4 | 713 | case VIDIOCGAUDIO: |
f7ce3cc6 MCC |
714 | { |
715 | struct video_audio *va = arg; | |
716 | ||
717 | if (check_mode(t, "VIDIOCGAUDIO") == EINVAL) | |
718 | return 0; | |
719 | if (check_v4l2(t) == EINVAL) | |
720 | return 0; | |
721 | ||
722 | if (V4L2_TUNER_RADIO == t->mode && t->is_stereo) | |
723 | va->mode = t->is_stereo(client) | |
724 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; | |
725 | return 0; | |
726 | } | |
985bc96e MCC |
727 | #endif |
728 | case TDA9887_SET_CONFIG: | |
729 | if (t->type == TUNER_TDA9887) { | |
730 | int *i = arg; | |
1da177e4 | 731 | |
985bc96e MCC |
732 | t->tda9887_config = *i; |
733 | set_freq(client, t->tv_freq); | |
734 | } | |
735 | break; | |
736 | /* --- v4l ioctls --- */ | |
737 | /* take care: bttv does userspace copying, we'll get a | |
738 | kernel pointer here... */ | |
1da177e4 | 739 | case VIDIOC_S_STD: |
f7ce3cc6 MCC |
740 | { |
741 | v4l2_std_id *id = arg; | |
1da177e4 | 742 | |
f7ce3cc6 MCC |
743 | if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD") |
744 | == EINVAL) | |
745 | return 0; | |
56fc08ca | 746 | |
f7ce3cc6 MCC |
747 | switch_v4l2(); |
748 | ||
749 | t->std = *id; | |
750 | tuner_fixup_std(t); | |
27487d44 HV |
751 | if (t->tv_freq) |
752 | set_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
753 | break; |
754 | } | |
1da177e4 | 755 | case VIDIOC_S_FREQUENCY: |
f7ce3cc6 MCC |
756 | { |
757 | struct v4l2_frequency *f = arg; | |
758 | ||
4f725cb3 HV |
759 | if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY") |
760 | == EINVAL) | |
761 | return 0; | |
f7ce3cc6 | 762 | switch_v4l2(); |
27487d44 | 763 | set_freq(client,f->frequency); |
c184ca36 | 764 | |
f7ce3cc6 MCC |
765 | break; |
766 | } | |
767 | case VIDIOC_G_FREQUENCY: | |
768 | { | |
769 | struct v4l2_frequency *f = arg; | |
770 | ||
771 | if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL) | |
772 | return 0; | |
773 | switch_v4l2(); | |
774 | f->type = t->mode; | |
27487d44 HV |
775 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? |
776 | t->radio_freq : t->tv_freq; | |
f7ce3cc6 MCC |
777 | break; |
778 | } | |
1da177e4 | 779 | case VIDIOC_G_TUNER: |
f7ce3cc6 MCC |
780 | { |
781 | struct v4l2_tuner *tuner = arg; | |
782 | ||
783 | if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL) | |
784 | return 0; | |
785 | switch_v4l2(); | |
786 | ||
8a4b275f | 787 | tuner->type = t->mode; |
15396236 MCC |
788 | if (t->get_afc) |
789 | tuner->afc=t->get_afc(client); | |
ab4cecf9 HV |
790 | if (t->mode == V4L2_TUNER_ANALOG_TV) |
791 | tuner->capability |= V4L2_TUNER_CAP_NORM; | |
8a4b275f | 792 | if (t->mode != V4L2_TUNER_RADIO) { |
f7ce3cc6 MCC |
793 | tuner->rangelow = tv_range[0] * 16; |
794 | tuner->rangehigh = tv_range[1] * 16; | |
8a4b275f HV |
795 | break; |
796 | } | |
797 | ||
798 | /* radio mode */ | |
799 | if (t->has_signal) | |
800 | tuner->signal = t->has_signal(client); | |
801 | ||
802 | tuner->rxsubchans = | |
803 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
804 | if (t->is_stereo) { | |
805 | tuner->rxsubchans = t->is_stereo(client) ? | |
806 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; | |
56fc08ca | 807 | } |
8a4b275f HV |
808 | |
809 | tuner->capability |= | |
810 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
811 | tuner->audmode = t->audmode; | |
812 | tuner->rangelow = radio_range[0] * 16000; | |
813 | tuner->rangehigh = radio_range[1] * 16000; | |
f7ce3cc6 MCC |
814 | break; |
815 | } | |
816 | case VIDIOC_S_TUNER: | |
817 | { | |
818 | struct v4l2_tuner *tuner = arg; | |
819 | ||
820 | if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL) | |
821 | return 0; | |
822 | ||
823 | switch_v4l2(); | |
824 | ||
8a4b275f HV |
825 | /* do nothing unless we're a radio tuner */ |
826 | if (t->mode != V4L2_TUNER_RADIO) | |
827 | break; | |
828 | t->audmode = tuner->audmode; | |
829 | set_radio_freq(client, t->radio_freq); | |
f7ce3cc6 | 830 | break; |
56fc08ca | 831 | } |
cd43c3f6 | 832 | case VIDIOC_LOG_STATUS: |
15396236 MCC |
833 | if (t->tuner_status) |
834 | t->tuner_status(client); | |
cd43c3f6 | 835 | break; |
1da177e4 LT |
836 | } |
837 | ||
838 | return 0; | |
839 | } | |
840 | ||
21b48a70 | 841 | static int tuner_suspend(struct i2c_client *c, pm_message_t state) |
1da177e4 | 842 | { |
f7ce3cc6 | 843 | struct tuner *t = i2c_get_clientdata (c); |
1da177e4 | 844 | |
f7ce3cc6 | 845 | tuner_dbg ("suspend\n"); |
1da177e4 LT |
846 | /* FIXME: power down ??? */ |
847 | return 0; | |
848 | } | |
849 | ||
21b48a70 | 850 | static int tuner_resume(struct i2c_client *c) |
1da177e4 | 851 | { |
f7ce3cc6 | 852 | struct tuner *t = i2c_get_clientdata (c); |
1da177e4 | 853 | |
f7ce3cc6 | 854 | tuner_dbg ("resume\n"); |
27487d44 HV |
855 | if (V4L2_TUNER_RADIO == t->mode) { |
856 | if (t->radio_freq) | |
857 | set_freq(c, t->radio_freq); | |
858 | } else { | |
859 | if (t->tv_freq) | |
860 | set_freq(c, t->tv_freq); | |
861 | } | |
1da177e4 LT |
862 | return 0; |
863 | } | |
864 | ||
865 | /* ----------------------------------------------------------------------- */ | |
866 | ||
867 | static struct i2c_driver driver = { | |
f7ce3cc6 | 868 | .id = I2C_DRIVERID_TUNER, |
f7ce3cc6 MCC |
869 | .attach_adapter = tuner_probe, |
870 | .detach_client = tuner_detach, | |
871 | .command = tuner_command, | |
21b48a70 JD |
872 | .suspend = tuner_suspend, |
873 | .resume = tuner_resume, | |
1da177e4 | 874 | .driver = { |
cab462f7 | 875 | .name = "tuner", |
cab462f7 | 876 | }, |
1da177e4 | 877 | }; |
f7ce3cc6 | 878 | static struct i2c_client client_template = { |
fae91e72 | 879 | .name = "(tuner unset)", |
f7ce3cc6 | 880 | .driver = &driver, |
1da177e4 LT |
881 | }; |
882 | ||
883 | static int __init tuner_init_module(void) | |
884 | { | |
885 | return i2c_add_driver(&driver); | |
886 | } | |
887 | ||
888 | static void __exit tuner_cleanup_module(void) | |
889 | { | |
890 | i2c_del_driver(&driver); | |
891 | } | |
892 | ||
893 | module_init(tuner_init_module); | |
894 | module_exit(tuner_cleanup_module); | |
895 | ||
896 | /* | |
897 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
898 | * --------------------------------------------------------------------------- | |
899 | * Local variables: | |
900 | * c-basic-offset: 8 | |
901 | * End: | |
902 | */ |