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> | |
1da177e4 | 8 | #include <linux/kernel.h> |
1da177e4 LT |
9 | #include <linux/string.h> |
10 | #include <linux/timer.h> | |
11 | #include <linux/delay.h> | |
12 | #include <linux/errno.h> | |
13 | #include <linux/slab.h> | |
14 | #include <linux/poll.h> | |
15 | #include <linux/i2c.h> | |
16 | #include <linux/types.h> | |
1da177e4 | 17 | #include <linux/init.h> |
75b4c260 | 18 | #include <linux/videodev2.h> |
1da177e4 | 19 | #include <media/tuner.h> |
4adad287 | 20 | #include <media/tuner-types.h> |
e8a4a9e7 | 21 | #include <media/v4l2-device.h> |
35ea11ff | 22 | #include <media/v4l2-ioctl.h> |
96c0b7cf | 23 | #include "mt20xx.h" |
910bb3e3 | 24 | #include "tda8290.h" |
7ab10bf7 | 25 | #include "tea5761.h" |
8d0936ed | 26 | #include "tea5767.h" |
215b95ba | 27 | #include "tuner-xc2028.h" |
4adad287 | 28 | #include "tuner-simple.h" |
31c9584c | 29 | #include "tda9887.h" |
27c685a4 | 30 | #include "xc5000.h" |
93463895 | 31 | #include "tda18271.h" |
1da177e4 LT |
32 | |
33 | #define UNSET (-1U) | |
34 | ||
9dd659de | 35 | #define PREFIX t->i2c->driver->driver.name |
241020d1 | 36 | |
a07c8779 | 37 | /** This macro allows us to probe dynamically, avoiding static links */ |
ff138171 | 38 | #ifdef CONFIG_MEDIA_ATTACH |
a07c8779 MK |
39 | #define tuner_symbol_probe(FUNCTION, ARGS...) ({ \ |
40 | int __r = -EINVAL; \ | |
41 | typeof(&FUNCTION) __a = symbol_request(FUNCTION); \ | |
42 | if (__a) { \ | |
43 | __r = (int) __a(ARGS); \ | |
a1355e53 | 44 | symbol_put(FUNCTION); \ |
a07c8779 MK |
45 | } else { \ |
46 | printk(KERN_ERR "TUNER: Unable to find " \ | |
47 | "symbol "#FUNCTION"()\n"); \ | |
48 | } \ | |
a07c8779 MK |
49 | __r; \ |
50 | }) | |
51 | ||
52 | static void tuner_detach(struct dvb_frontend *fe) | |
53 | { | |
54 | if (fe->ops.tuner_ops.release) { | |
55 | fe->ops.tuner_ops.release(fe); | |
56 | symbol_put_addr(fe->ops.tuner_ops.release); | |
57 | } | |
58 | if (fe->ops.analog_ops.release) { | |
59 | fe->ops.analog_ops.release(fe); | |
60 | symbol_put_addr(fe->ops.analog_ops.release); | |
61 | } | |
62 | } | |
63 | #else | |
64 | #define tuner_symbol_probe(FUNCTION, ARGS...) ({ \ | |
65 | FUNCTION(ARGS); \ | |
66 | }) | |
67 | ||
68 | static void tuner_detach(struct dvb_frontend *fe) | |
69 | { | |
70 | if (fe->ops.tuner_ops.release) | |
71 | fe->ops.tuner_ops.release(fe); | |
72 | if (fe->ops.analog_ops.release) | |
73 | fe->ops.analog_ops.release(fe); | |
74 | } | |
75 | #endif | |
76 | ||
f7f427e4 MK |
77 | struct tuner { |
78 | /* device */ | |
79 | struct dvb_frontend fe; | |
80 | struct i2c_client *i2c; | |
e8a4a9e7 | 81 | struct v4l2_subdev sd; |
f7f427e4 MK |
82 | struct list_head list; |
83 | unsigned int using_v4l2:1; | |
84 | ||
85 | /* keep track of the current settings */ | |
86 | v4l2_std_id std; | |
87 | unsigned int tv_freq; | |
88 | unsigned int radio_freq; | |
89 | unsigned int audmode; | |
90 | ||
91 | unsigned int mode; | |
92 | unsigned int mode_mask; /* Combination of allowable modes */ | |
93 | ||
94 | unsigned int type; /* chip type id */ | |
95 | unsigned int config; | |
7271e60a | 96 | const char *name; |
f7f427e4 MK |
97 | }; |
98 | ||
e8a4a9e7 HV |
99 | static inline struct tuner *to_tuner(struct v4l2_subdev *sd) |
100 | { | |
101 | return container_of(sd, struct tuner, sd); | |
102 | } | |
103 | ||
1da177e4 LT |
104 | |
105 | /* insmod options used at init time => read/only */ | |
ff699e6b DSL |
106 | static unsigned int addr; |
107 | static unsigned int no_autodetect; | |
108 | static unsigned int show_i2c; | |
fd3113e8 | 109 | |
1da177e4 | 110 | /* insmod options used at runtime => read/write */ |
ab166050 MK |
111 | static int tuner_debug; |
112 | ||
113 | #define tuner_warn(fmt, arg...) do { \ | |
114 | printk(KERN_WARNING "%s %d-%04x: " fmt, PREFIX, \ | |
115 | i2c_adapter_id(t->i2c->adapter), \ | |
116 | t->i2c->addr, ##arg); \ | |
117 | } while (0) | |
118 | ||
119 | #define tuner_info(fmt, arg...) do { \ | |
120 | printk(KERN_INFO "%s %d-%04x: " fmt, PREFIX, \ | |
121 | i2c_adapter_id(t->i2c->adapter), \ | |
122 | t->i2c->addr, ##arg); \ | |
123 | } while (0) | |
124 | ||
125 | #define tuner_err(fmt, arg...) do { \ | |
126 | printk(KERN_ERR "%s %d-%04x: " fmt, PREFIX, \ | |
127 | i2c_adapter_id(t->i2c->adapter), \ | |
128 | t->i2c->addr, ##arg); \ | |
129 | } while (0) | |
130 | ||
131 | #define tuner_dbg(fmt, arg...) do { \ | |
132 | if (tuner_debug) \ | |
133 | printk(KERN_DEBUG "%s %d-%04x: " fmt, PREFIX, \ | |
134 | i2c_adapter_id(t->i2c->adapter), \ | |
135 | t->i2c->addr, ##arg); \ | |
136 | } while (0) | |
137 | ||
138 | /* ------------------------------------------------------------------------ */ | |
1da177e4 | 139 | |
f7ce3cc6 | 140 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
141 | static unsigned int radio_range[2] = { 65, 108 }; |
142 | ||
7e578191 MCC |
143 | static char pal[] = "--"; |
144 | static char secam[] = "--"; | |
145 | static char ntsc[] = "-"; | |
146 | ||
f9195ded | 147 | |
7e578191 MCC |
148 | module_param(addr, int, 0444); |
149 | module_param(no_autodetect, int, 0444); | |
150 | module_param(show_i2c, int, 0444); | |
f9195ded | 151 | module_param_named(debug,tuner_debug, int, 0644); |
7e578191 MCC |
152 | module_param_string(pal, pal, sizeof(pal), 0644); |
153 | module_param_string(secam, secam, sizeof(secam), 0644); | |
154 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 155 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
156 | module_param_array(radio_range, int, NULL, 0644); |
157 | ||
158 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
159 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
160 | MODULE_LICENSE("GPL"); | |
161 | ||
1da177e4 LT |
162 | /* ---------------------------------------------------------------------- */ |
163 | ||
c7919d52 MK |
164 | static void fe_set_params(struct dvb_frontend *fe, |
165 | struct analog_parameters *params) | |
e18f9444 | 166 | { |
4e9154b8 MK |
167 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; |
168 | struct tuner *t = fe->analog_demod_priv; | |
e18f9444 | 169 | |
e18f9444 MK |
170 | if (NULL == fe_tuner_ops->set_analog_params) { |
171 | tuner_warn("Tuner frontend module has no way to set freq\n"); | |
172 | return; | |
173 | } | |
c7919d52 | 174 | fe_tuner_ops->set_analog_params(fe, params); |
e18f9444 MK |
175 | } |
176 | ||
4e9154b8 | 177 | static void fe_standby(struct dvb_frontend *fe) |
e18f9444 | 178 | { |
4e9154b8 | 179 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; |
e18f9444 MK |
180 | |
181 | if (fe_tuner_ops->sleep) | |
4e9154b8 | 182 | fe_tuner_ops->sleep(fe); |
e18f9444 MK |
183 | } |
184 | ||
4e9154b8 | 185 | static int fe_has_signal(struct dvb_frontend *fe) |
1f5ef197 | 186 | { |
1419683d | 187 | u16 strength = 0; |
1f5ef197 | 188 | |
4e9154b8 MK |
189 | if (fe->ops.tuner_ops.get_rf_strength) |
190 | fe->ops.tuner_ops.get_rf_strength(fe, &strength); | |
1f5ef197 MK |
191 | |
192 | return strength; | |
193 | } | |
194 | ||
f1c9a281 MK |
195 | static int fe_set_config(struct dvb_frontend *fe, void *priv_cfg) |
196 | { | |
197 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; | |
198 | struct tuner *t = fe->analog_demod_priv; | |
199 | ||
200 | if (fe_tuner_ops->set_config) | |
201 | return fe_tuner_ops->set_config(fe, priv_cfg); | |
202 | ||
203 | tuner_warn("Tuner frontend module has no way to set config\n"); | |
204 | ||
205 | return 0; | |
206 | } | |
207 | ||
4e9154b8 | 208 | static void tuner_status(struct dvb_frontend *fe); |
1dde7a4f | 209 | |
e8a4a9e7 | 210 | static struct analog_demod_ops tuner_analog_ops = { |
c7919d52 | 211 | .set_params = fe_set_params, |
1dde7a4f | 212 | .standby = fe_standby, |
1dde7a4f | 213 | .has_signal = fe_has_signal, |
f1c9a281 | 214 | .set_config = fe_set_config, |
1dde7a4f MK |
215 | .tuner_status = tuner_status |
216 | }; | |
217 | ||
56fc08ca | 218 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
219 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
220 | { | |
e8a4a9e7 | 221 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
bc3e5c7f | 222 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1da177e4 | 223 | |
c7919d52 MK |
224 | struct analog_parameters params = { |
225 | .mode = t->mode, | |
226 | .audmode = t->audmode, | |
227 | .std = t->std | |
228 | }; | |
229 | ||
1da177e4 | 230 | if (t->type == UNSET) { |
f7ce3cc6 | 231 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
232 | return; |
233 | } | |
bc3e5c7f | 234 | if (NULL == analog_ops->set_params) { |
f7ce3cc6 | 235 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
236 | return; |
237 | } | |
f7ce3cc6 MCC |
238 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
239 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
240 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
241 | tv_range[1]); | |
27487d44 HV |
242 | /* V4L2 spec: if the freq is not possible then the closest |
243 | possible value should be selected */ | |
244 | if (freq < tv_range[0] * 16) | |
245 | freq = tv_range[0] * 16; | |
246 | else | |
247 | freq = tv_range[1] * 16; | |
1da177e4 | 248 | } |
c7919d52 MK |
249 | params.frequency = freq; |
250 | ||
bc3e5c7f | 251 | analog_ops->set_params(&t->fe, ¶ms); |
1da177e4 LT |
252 | } |
253 | ||
254 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
255 | { | |
e8a4a9e7 | 256 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
bc3e5c7f | 257 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1da177e4 | 258 | |
c7919d52 MK |
259 | struct analog_parameters params = { |
260 | .mode = t->mode, | |
261 | .audmode = t->audmode, | |
262 | .std = t->std | |
263 | }; | |
264 | ||
1da177e4 | 265 | if (t->type == UNSET) { |
f7ce3cc6 | 266 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
267 | return; |
268 | } | |
e545d6e2 | 269 | if (NULL == analog_ops->set_params) { |
f7ce3cc6 | 270 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
271 | return; |
272 | } | |
27487d44 | 273 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
274 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
275 | freq / 16000, freq % 16000 * 100 / 16000, | |
276 | radio_range[0], radio_range[1]); | |
27487d44 HV |
277 | /* V4L2 spec: if the freq is not possible then the closest |
278 | possible value should be selected */ | |
279 | if (freq < radio_range[0] * 16000) | |
280 | freq = radio_range[0] * 16000; | |
281 | else | |
282 | freq = radio_range[1] * 16000; | |
1da177e4 | 283 | } |
c7919d52 | 284 | params.frequency = freq; |
586b0cab | 285 | |
bc3e5c7f | 286 | analog_ops->set_params(&t->fe, ¶ms); |
1da177e4 LT |
287 | } |
288 | ||
289 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
290 | { | |
e8a4a9e7 | 291 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
1da177e4 LT |
292 | |
293 | switch (t->mode) { | |
294 | case V4L2_TUNER_RADIO: | |
295 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
296 | freq / 16000, freq % 16000 * 100 / 16000); |
297 | set_radio_freq(c, freq); | |
27487d44 | 298 | t->radio_freq = freq; |
1da177e4 LT |
299 | break; |
300 | case V4L2_TUNER_ANALOG_TV: | |
301 | case V4L2_TUNER_DIGITAL_TV: | |
302 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 303 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 304 | set_tv_freq(c, freq); |
27487d44 | 305 | t->tv_freq = freq; |
1da177e4 | 306 | break; |
6cb45879 MCC |
307 | default: |
308 | tuner_dbg("freq set: unknown mode: 0x%04x!\n",t->mode); | |
1da177e4 | 309 | } |
1da177e4 LT |
310 | } |
311 | ||
27c685a4 ST |
312 | static struct xc5000_config xc5000_cfg; |
313 | ||
f7ce3cc6 | 314 | static void set_type(struct i2c_client *c, unsigned int type, |
de956c1e | 315 | unsigned int new_mode_mask, unsigned int new_config, |
d7cba043 | 316 | int (*tuner_callback) (void *dev, int component, int cmd, int arg)) |
1da177e4 | 317 | { |
e8a4a9e7 | 318 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
e18f9444 | 319 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; |
bc3e5c7f | 320 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
586b0cab | 321 | unsigned char buffer[4]; |
d6eef494 | 322 | int tune_now = 1; |
1da177e4 | 323 | |
f7ce3cc6 MCC |
324 | if (type == UNSET || type == TUNER_ABSENT) { |
325 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 326 | return; |
f7ce3cc6 MCC |
327 | } |
328 | ||
80f90fba | 329 | t->type = type; |
e7ddcd98 | 330 | /* prevent invalid config values */ |
f14a2972 | 331 | t->config = new_config < 256 ? new_config : 0; |
80f90fba HH |
332 | if (tuner_callback != NULL) { |
333 | tuner_dbg("defining GPIO callback\n"); | |
d7cba043 | 334 | t->fe.callback = tuner_callback; |
80f90fba HH |
335 | } |
336 | ||
48aa336a | 337 | if (t->mode == T_UNINITIALIZED) { |
f7ce3cc6 MCC |
338 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
339 | ||
1da177e4 LT |
340 | return; |
341 | } | |
56fc08ca | 342 | |
b2083199 | 343 | /* discard private data, in case set_type() was previously called */ |
a07c8779 MK |
344 | tuner_detach(&t->fe); |
345 | t->fe.analog_demod_priv = NULL; | |
be2b85a1 | 346 | |
1da177e4 LT |
347 | switch (t->type) { |
348 | case TUNER_MT2032: | |
09fee5f8 MCC |
349 | if (!dvb_attach(microtune_attach, |
350 | &t->fe, t->i2c->adapter, t->i2c->addr)) | |
351 | goto attach_failed; | |
1da177e4 LT |
352 | break; |
353 | case TUNER_PHILIPS_TDA8290: | |
5bea1cd3 | 354 | { |
09fee5f8 MCC |
355 | struct tda829x_config cfg = { |
356 | .lna_cfg = t->config, | |
09fee5f8 MCC |
357 | }; |
358 | if (!dvb_attach(tda829x_attach, &t->fe, t->i2c->adapter, | |
359 | t->i2c->addr, &cfg)) | |
360 | goto attach_failed; | |
5bea1cd3 MK |
361 | break; |
362 | } | |
586b0cab | 363 | case TUNER_TEA5767: |
a07c8779 MK |
364 | if (!dvb_attach(tea5767_attach, &t->fe, |
365 | t->i2c->adapter, t->i2c->addr)) | |
b9ef6bbb | 366 | goto attach_failed; |
f7ce3cc6 | 367 | t->mode_mask = T_RADIO; |
586b0cab | 368 | break; |
8573a9e6 | 369 | case TUNER_TEA5761: |
a07c8779 MK |
370 | if (!dvb_attach(tea5761_attach, &t->fe, |
371 | t->i2c->adapter, t->i2c->addr)) | |
b9ef6bbb | 372 | goto attach_failed; |
8573a9e6 MCC |
373 | t->mode_mask = T_RADIO; |
374 | break; | |
586b0cab MCC |
375 | case TUNER_PHILIPS_FMD1216ME_MK3: |
376 | buffer[0] = 0x0b; | |
377 | buffer[1] = 0xdc; | |
378 | buffer[2] = 0x9c; | |
379 | buffer[3] = 0x60; | |
f7ce3cc6 | 380 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
381 | mdelay(1); |
382 | buffer[2] = 0x86; | |
383 | buffer[3] = 0x54; | |
f7ce3cc6 | 384 | i2c_master_send(c, buffer, 4); |
a07c8779 MK |
385 | if (!dvb_attach(simple_tuner_attach, &t->fe, |
386 | t->i2c->adapter, t->i2c->addr, t->type)) | |
b9ef6bbb | 387 | goto attach_failed; |
586b0cab | 388 | break; |
93df3413 HH |
389 | case TUNER_PHILIPS_TD1316: |
390 | buffer[0] = 0x0b; | |
391 | buffer[1] = 0xdc; | |
392 | buffer[2] = 0x86; | |
393 | buffer[3] = 0xa4; | |
a07c8779 MK |
394 | i2c_master_send(c, buffer, 4); |
395 | if (!dvb_attach(simple_tuner_attach, &t->fe, | |
396 | t->i2c->adapter, t->i2c->addr, t->type)) | |
b9ef6bbb | 397 | goto attach_failed; |
ac272ed7 | 398 | break; |
690c544c MCC |
399 | case TUNER_XC2028: |
400 | { | |
a37b4c9b ML |
401 | struct xc2028_config cfg = { |
402 | .i2c_adap = t->i2c->adapter, | |
403 | .i2c_addr = t->i2c->addr, | |
a37b4c9b | 404 | }; |
a07c8779 | 405 | if (!dvb_attach(xc2028_attach, &t->fe, &cfg)) |
b9ef6bbb | 406 | goto attach_failed; |
d6eef494 | 407 | tune_now = 0; |
690c544c MCC |
408 | break; |
409 | } | |
15396236 | 410 | case TUNER_TDA9887: |
09fee5f8 MCC |
411 | if (!dvb_attach(tda9887_attach, |
412 | &t->fe, t->i2c->adapter, t->i2c->addr)) | |
413 | goto attach_failed; | |
15396236 | 414 | break; |
27c685a4 | 415 | case TUNER_XC5000: |
b9ef6bbb | 416 | { |
27c685a4 | 417 | xc5000_cfg.i2c_address = t->i2c->addr; |
ea227863 DH |
418 | /* if_khz will be set when the digital dvb_attach() occurs */ |
419 | xc5000_cfg.if_khz = 0; | |
a07c8779 | 420 | if (!dvb_attach(xc5000_attach, |
30650961 | 421 | &t->fe, t->i2c->adapter, &xc5000_cfg)) |
b9ef6bbb | 422 | goto attach_failed; |
d6eef494 | 423 | tune_now = 0; |
27c685a4 | 424 | break; |
b9ef6bbb | 425 | } |
93463895 MK |
426 | case TUNER_NXP_TDA18271: |
427 | { | |
428 | struct tda18271_config cfg = { | |
429 | .config = t->config, | |
9dfde557 | 430 | .small_i2c = TDA18271_08_BYTE_CHUNK_INIT, |
93463895 MK |
431 | }; |
432 | ||
433 | if (!dvb_attach(tda18271_attach, &t->fe, t->i2c->addr, | |
434 | t->i2c->adapter, &cfg)) | |
435 | goto attach_failed; | |
d6eef494 | 436 | tune_now = 0; |
93463895 MK |
437 | break; |
438 | } | |
1da177e4 | 439 | default: |
a07c8779 MK |
440 | if (!dvb_attach(simple_tuner_attach, &t->fe, |
441 | t->i2c->adapter, t->i2c->addr, t->type)) | |
b9ef6bbb MCC |
442 | goto attach_failed; |
443 | ||
1da177e4 LT |
444 | break; |
445 | } | |
f7ce3cc6 | 446 | |
bc3e5c7f | 447 | if ((NULL == analog_ops->set_params) && |
1dde7a4f | 448 | (fe_tuner_ops->set_analog_params)) { |
a07c8779 | 449 | |
7271e60a | 450 | t->name = fe_tuner_ops->info.name; |
e18f9444 | 451 | |
4e9154b8 | 452 | t->fe.analog_demod_priv = t; |
e8a4a9e7 | 453 | memcpy(analog_ops, &tuner_analog_ops, |
bc3e5c7f | 454 | sizeof(struct analog_demod_ops)); |
a07c8779 | 455 | |
a55db8cd | 456 | } else { |
7271e60a | 457 | t->name = analog_ops->info.name; |
e18f9444 MK |
458 | } |
459 | ||
7271e60a | 460 | tuner_dbg("type set to %s\n", t->name); |
e18f9444 | 461 | |
f7ce3cc6 MCC |
462 | if (t->mode_mask == T_UNINITIALIZED) |
463 | t->mode_mask = new_mode_mask; | |
464 | ||
d6eef494 MK |
465 | /* Some tuners require more initialization setup before use, |
466 | such as firmware download or device calibration. | |
b9ef6bbb MCC |
467 | trying to set a frequency here will just fail |
468 | FIXME: better to move set_freq to the tuner code. This is needed | |
469 | on analog tuners for PLL to properly work | |
470 | */ | |
d6eef494 | 471 | if (tune_now) |
b9ef6bbb MCC |
472 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? |
473 | t->radio_freq : t->tv_freq); | |
474 | ||
f7ce3cc6 | 475 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 476 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 477 | t->mode_mask); |
b9ef6bbb MCC |
478 | return; |
479 | ||
480 | attach_failed: | |
481 | tuner_dbg("Tuner attach for type = %d failed.\n", t->type); | |
482 | t->type = TUNER_ABSENT; | |
483 | t->mode_mask = T_UNINITIALIZED; | |
484 | ||
485 | return; | |
1da177e4 LT |
486 | } |
487 | ||
f7ce3cc6 MCC |
488 | /* |
489 | * This function apply tuner config to tuner specified | |
490 | * by tun_setup structure. I addr is unset, then admin status | |
491 | * and tun addr status is more precise then current status, | |
492 | * it's applied. Otherwise status and type are applied only to | |
493 | * tuner with exactly the same addr. | |
494 | */ | |
495 | ||
496 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
497 | { | |
e8a4a9e7 | 498 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
f7ce3cc6 | 499 | |
de956c1e HH |
500 | if ( (t->type == UNSET && ((tun_setup->addr == ADDR_UNSET) && |
501 | (t->mode_mask & tun_setup->mode_mask))) || | |
502 | (tun_setup->addr == c->addr)) { | |
503 | set_type(c, tun_setup->type, tun_setup->mode_mask, | |
cfeb8839 | 504 | tun_setup->config, tun_setup->tuner_callback); |
b9ef6bbb MCC |
505 | } else |
506 | tuner_dbg("set addr discarded for type %i, mask %x. " | |
507 | "Asked to change tuner at addr 0x%02x, with mask %x\n", | |
508 | t->type, t->mode_mask, | |
509 | tun_setup->addr, tun_setup->mode_mask); | |
f7ce3cc6 | 510 | } |
56fc08ca | 511 | |
f7ce3cc6 | 512 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 513 | { |
793cf9e6 | 514 | if ((1 << t->mode & t->mode_mask) == 0) { |
4d3437df | 515 | return -EINVAL; |
793cf9e6 MCC |
516 | } |
517 | ||
518 | switch (t->mode) { | |
519 | case V4L2_TUNER_RADIO: | |
520 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
521 | break; | |
522 | case V4L2_TUNER_ANALOG_TV: | |
523 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
524 | break; | |
525 | case V4L2_TUNER_DIGITAL_TV: | |
526 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
527 | break; | |
56fc08ca | 528 | } |
793cf9e6 | 529 | return 0; |
56fc08ca | 530 | } |
56fc08ca | 531 | |
f7ce3cc6 | 532 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
533 | static int tuner_fixup_std(struct tuner *t) |
534 | { | |
535 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 | 536 | switch (pal[0]) { |
e71ced1a HV |
537 | case '6': |
538 | tuner_dbg ("insmod fixup: PAL => PAL-60\n"); | |
539 | t->std = V4L2_STD_PAL_60; | |
540 | break; | |
1da177e4 LT |
541 | case 'b': |
542 | case 'B': | |
543 | case 'g': | |
544 | case 'G': | |
f7ce3cc6 | 545 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
546 | t->std = V4L2_STD_PAL_BG; |
547 | break; | |
548 | case 'i': | |
549 | case 'I': | |
f7ce3cc6 | 550 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
551 | t->std = V4L2_STD_PAL_I; |
552 | break; | |
553 | case 'd': | |
554 | case 'D': | |
555 | case 'k': | |
556 | case 'K': | |
f7ce3cc6 | 557 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
558 | t->std = V4L2_STD_PAL_DK; |
559 | break; | |
f7ce3cc6 MCC |
560 | case 'M': |
561 | case 'm': | |
562 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
563 | t->std = V4L2_STD_PAL_M; | |
564 | break; | |
565 | case 'N': | |
566 | case 'n': | |
7e578191 MCC |
567 | if (pal[1] == 'c' || pal[1] == 'C') { |
568 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
569 | t->std = V4L2_STD_PAL_Nc; | |
570 | } else { | |
571 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
572 | t->std = V4L2_STD_PAL_N; | |
573 | } | |
f7ce3cc6 | 574 | break; |
21d4df37 MCC |
575 | case '-': |
576 | /* default parameter, do nothing */ | |
577 | break; | |
578 | default: | |
579 | tuner_warn ("pal= argument not recognised\n"); | |
580 | break; | |
1da177e4 LT |
581 | } |
582 | } | |
f7ce3cc6 MCC |
583 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
584 | switch (secam[0]) { | |
7e578191 MCC |
585 | case 'b': |
586 | case 'B': | |
587 | case 'g': | |
588 | case 'G': | |
589 | case 'h': | |
590 | case 'H': | |
591 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
592 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
593 | break; | |
f7ce3cc6 MCC |
594 | case 'd': |
595 | case 'D': | |
596 | case 'k': | |
597 | case 'K': | |
598 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
599 | t->std = V4L2_STD_SECAM_DK; | |
600 | break; | |
601 | case 'l': | |
602 | case 'L': | |
800d3c6f MCC |
603 | if ((secam[1]=='C')||(secam[1]=='c')) { |
604 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
605 | t->std = V4L2_STD_SECAM_LC; | |
606 | } else { | |
607 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
608 | t->std = V4L2_STD_SECAM_L; | |
609 | } | |
f7ce3cc6 | 610 | break; |
21d4df37 MCC |
611 | case '-': |
612 | /* default parameter, do nothing */ | |
613 | break; | |
614 | default: | |
615 | tuner_warn ("secam= argument not recognised\n"); | |
616 | break; | |
f7ce3cc6 MCC |
617 | } |
618 | } | |
619 | ||
7e578191 MCC |
620 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
621 | switch (ntsc[0]) { | |
622 | case 'm': | |
623 | case 'M': | |
624 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
625 | t->std = V4L2_STD_NTSC_M; | |
626 | break; | |
627 | case 'j': | |
628 | case 'J': | |
629 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
630 | t->std = V4L2_STD_NTSC_M_JP; | |
631 | break; | |
d97a11e0 HV |
632 | case 'k': |
633 | case 'K': | |
634 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
635 | t->std = V4L2_STD_NTSC_M_KR; | |
636 | break; | |
7e578191 MCC |
637 | case '-': |
638 | /* default parameter, do nothing */ | |
639 | break; | |
640 | default: | |
641 | tuner_info("ntsc= argument not recognised\n"); | |
642 | break; | |
643 | } | |
644 | } | |
1da177e4 LT |
645 | return 0; |
646 | } | |
647 | ||
4e9154b8 | 648 | static void tuner_status(struct dvb_frontend *fe) |
7e578191 | 649 | { |
4e9154b8 | 650 | struct tuner *t = fe->analog_demod_priv; |
7e578191 | 651 | unsigned long freq, freq_fraction; |
a07c8779 MK |
652 | struct dvb_tuner_ops *fe_tuner_ops = &fe->ops.tuner_ops; |
653 | struct analog_demod_ops *analog_ops = &fe->ops.analog_ops; | |
7e578191 MCC |
654 | const char *p; |
655 | ||
656 | switch (t->mode) { | |
657 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
658 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
659 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
660 | default: p = "undefined"; break; | |
661 | } | |
662 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
663 | freq = t->radio_freq / 16000; |
664 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 665 | } else { |
27487d44 HV |
666 | freq = t->tv_freq / 16; |
667 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
668 | } |
669 | tuner_info("Tuner mode: %s\n", p); | |
670 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 671 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
672 | if (t->mode != V4L2_TUNER_RADIO) |
673 | return; | |
e18f9444 MK |
674 | if (fe_tuner_ops->get_status) { |
675 | u32 tuner_status; | |
676 | ||
677 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
678 | if (tuner_status & TUNER_STATUS_LOCKED) | |
679 | tuner_info("Tuner is locked.\n"); | |
680 | if (tuner_status & TUNER_STATUS_STEREO) | |
681 | tuner_info("Stereo: yes\n"); | |
682 | } | |
bc3e5c7f MK |
683 | if (analog_ops->has_signal) |
684 | tuner_info("Signal strength: %d\n", | |
685 | analog_ops->has_signal(fe)); | |
686 | if (analog_ops->is_stereo) | |
687 | tuner_info("Stereo: %s\n", | |
688 | analog_ops->is_stereo(fe) ? "yes" : "no"); | |
7e578191 | 689 | } |
8a4b275f | 690 | |
1da177e4 LT |
691 | /* ---------------------------------------------------------------------- */ |
692 | ||
f7ce3cc6 MCC |
693 | /* |
694 | * Switch tuner to other mode. If tuner support both tv and radio, | |
695 | * set another frequency to some value (This is needed for some pal | |
696 | * tuners to avoid locking). Otherwise, just put second tuner in | |
697 | * standby mode. | |
698 | */ | |
699 | ||
700 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
701 | { | |
bc3e5c7f | 702 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1dde7a4f | 703 | |
4ac97914 MCC |
704 | if (mode == t->mode) |
705 | return 0; | |
706 | ||
707 | t->mode = mode; | |
708 | ||
4d3437df | 709 | if (check_mode(t, cmd) == -EINVAL) { |
16a5e53d MCC |
710 | tuner_dbg("Tuner doesn't support this mode. " |
711 | "Putting tuner to sleep\n"); | |
4ac97914 | 712 | t->mode = T_STANDBY; |
bc3e5c7f MK |
713 | if (analog_ops->standby) |
714 | analog_ops->standby(&t->fe); | |
4d3437df | 715 | return -EINVAL; |
4ac97914 MCC |
716 | } |
717 | return 0; | |
f7ce3cc6 MCC |
718 | } |
719 | ||
720 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
721 | tuner_dbg("switching to v4l2\n"); \ |
722 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
723 | |
724 | static inline int check_v4l2(struct tuner *t) | |
725 | { | |
3bbe5a83 HV |
726 | /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for |
727 | TV, v4l1 for radio), until that is fixed this code is disabled. | |
728 | Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2) | |
729 | first. */ | |
f7ce3cc6 MCC |
730 | return 0; |
731 | } | |
1da177e4 | 732 | |
e8a4a9e7 | 733 | static int tuner_s_type_addr(struct v4l2_subdev *sd, struct tuner_setup *type) |
1da177e4 | 734 | { |
e8a4a9e7 HV |
735 | struct tuner *t = to_tuner(sd); |
736 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
737 | ||
738 | tuner_dbg("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x, config=0x%02x\n", | |
739 | type->type, | |
740 | type->addr, | |
741 | type->mode_mask, | |
742 | type->config); | |
743 | ||
744 | set_addr(client, type); | |
745 | return 0; | |
746 | } | |
747 | ||
748 | static int tuner_s_radio(struct v4l2_subdev *sd) | |
749 | { | |
750 | struct tuner *t = to_tuner(sd); | |
751 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
752 | ||
bccfa449 | 753 | if (set_mode(client, t, V4L2_TUNER_RADIO, "s_radio") == -EINVAL) |
e8a4a9e7 HV |
754 | return 0; |
755 | if (t->radio_freq) | |
756 | set_freq(client, t->radio_freq); | |
757 | return 0; | |
758 | } | |
759 | ||
622b828a | 760 | static int tuner_s_power(struct v4l2_subdev *sd, int on) |
e8a4a9e7 HV |
761 | { |
762 | struct tuner *t = to_tuner(sd); | |
bc3e5c7f | 763 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; |
1da177e4 | 764 | |
622b828a LP |
765 | if (on) |
766 | return 0; | |
767 | ||
16a5e53d MCC |
768 | tuner_dbg("Putting tuner to sleep\n"); |
769 | ||
622b828a | 770 | if (check_mode(t, "s_power") == -EINVAL) |
e8a4a9e7 HV |
771 | return 0; |
772 | t->mode = T_STANDBY; | |
773 | if (analog_ops->standby) | |
774 | analog_ops->standby(&t->fe); | |
775 | return 0; | |
776 | } | |
5e453dc7 | 777 | |
e8a4a9e7 HV |
778 | static int tuner_s_config(struct v4l2_subdev *sd, const struct v4l2_priv_tun_config *cfg) |
779 | { | |
780 | struct tuner *t = to_tuner(sd); | |
781 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; | |
1da177e4 | 782 | |
e8a4a9e7 HV |
783 | if (t->type != cfg->tuner) |
784 | return 0; | |
7f171123 | 785 | |
e8a4a9e7 HV |
786 | if (analog_ops->set_config) { |
787 | analog_ops->set_config(&t->fe, cfg->priv); | |
788 | return 0; | |
7f171123 | 789 | } |
1da177e4 | 790 | |
e8a4a9e7 HV |
791 | tuner_dbg("Tuner frontend module has no way to set config\n"); |
792 | return 0; | |
793 | } | |
56fc08ca | 794 | |
e8a4a9e7 HV |
795 | /* --- v4l ioctls --- */ |
796 | /* take care: bttv does userspace copying, we'll get a | |
797 | kernel pointer here... */ | |
798 | static int tuner_s_std(struct v4l2_subdev *sd, v4l2_std_id std) | |
799 | { | |
800 | struct tuner *t = to_tuner(sd); | |
801 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
f7ce3cc6 | 802 | |
bccfa449 | 803 | if (set_mode(client, t, V4L2_TUNER_ANALOG_TV, "s_std") == -EINVAL) |
e8a4a9e7 | 804 | return 0; |
f7ce3cc6 | 805 | |
e8a4a9e7 | 806 | switch_v4l2(); |
c184ca36 | 807 | |
e8a4a9e7 HV |
808 | t->std = std; |
809 | tuner_fixup_std(t); | |
810 | if (t->tv_freq) | |
811 | set_freq(client, t->tv_freq); | |
812 | return 0; | |
813 | } | |
f7ce3cc6 | 814 | |
e8a4a9e7 HV |
815 | static int tuner_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) |
816 | { | |
817 | struct tuner *t = to_tuner(sd); | |
818 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
f7ce3cc6 | 819 | |
bccfa449 | 820 | if (set_mode(client, t, f->type, "s_frequency") == -EINVAL) |
e8a4a9e7 HV |
821 | return 0; |
822 | switch_v4l2(); | |
823 | set_freq(client, f->frequency); | |
8a4b275f | 824 | |
e8a4a9e7 HV |
825 | return 0; |
826 | } | |
f7ce3cc6 | 827 | |
e8a4a9e7 HV |
828 | static int tuner_g_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f) |
829 | { | |
830 | struct tuner *t = to_tuner(sd); | |
831 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; | |
f7ce3cc6 | 832 | |
bccfa449 | 833 | if (check_mode(t, "g_frequency") == -EINVAL) |
e8a4a9e7 HV |
834 | return 0; |
835 | switch_v4l2(); | |
836 | f->type = t->mode; | |
837 | if (fe_tuner_ops->get_frequency) { | |
838 | u32 abs_freq; | |
839 | ||
840 | fe_tuner_ops->get_frequency(&t->fe, &abs_freq); | |
841 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? | |
75b697f7 JL |
842 | DIV_ROUND_CLOSEST(abs_freq * 2, 125) : |
843 | DIV_ROUND_CLOSEST(abs_freq, 62500); | |
e8a4a9e7 HV |
844 | return 0; |
845 | } | |
846 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? | |
847 | t->radio_freq : t->tv_freq; | |
848 | return 0; | |
849 | } | |
f7ce3cc6 | 850 | |
e8a4a9e7 HV |
851 | static int tuner_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) |
852 | { | |
853 | struct tuner *t = to_tuner(sd); | |
854 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; | |
855 | struct dvb_tuner_ops *fe_tuner_ops = &t->fe.ops.tuner_ops; | |
856 | ||
bccfa449 | 857 | if (check_mode(t, "g_tuner") == -EINVAL) |
e8a4a9e7 HV |
858 | return 0; |
859 | switch_v4l2(); | |
860 | ||
861 | vt->type = t->mode; | |
862 | if (analog_ops->get_afc) | |
863 | vt->afc = analog_ops->get_afc(&t->fe); | |
864 | if (t->mode == V4L2_TUNER_ANALOG_TV) | |
865 | vt->capability |= V4L2_TUNER_CAP_NORM; | |
866 | if (t->mode != V4L2_TUNER_RADIO) { | |
867 | vt->rangelow = tv_range[0] * 16; | |
868 | vt->rangehigh = tv_range[1] * 16; | |
869 | return 0; | |
870 | } | |
871 | ||
872 | /* radio mode */ | |
873 | vt->rxsubchans = | |
874 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
875 | if (fe_tuner_ops->get_status) { | |
876 | u32 tuner_status; | |
877 | ||
878 | fe_tuner_ops->get_status(&t->fe, &tuner_status); | |
879 | vt->rxsubchans = | |
880 | (tuner_status & TUNER_STATUS_STEREO) ? | |
881 | V4L2_TUNER_SUB_STEREO : | |
882 | V4L2_TUNER_SUB_MONO; | |
883 | } else { | |
884 | if (analog_ops->is_stereo) { | |
885 | vt->rxsubchans = | |
886 | analog_ops->is_stereo(&t->fe) ? | |
887 | V4L2_TUNER_SUB_STEREO : | |
888 | V4L2_TUNER_SUB_MONO; | |
56fc08ca | 889 | } |
1da177e4 | 890 | } |
e8a4a9e7 HV |
891 | if (analog_ops->has_signal) |
892 | vt->signal = analog_ops->has_signal(&t->fe); | |
893 | vt->capability |= | |
894 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
895 | vt->audmode = t->audmode; | |
896 | vt->rangelow = radio_range[0] * 16000; | |
897 | vt->rangehigh = radio_range[1] * 16000; | |
898 | return 0; | |
899 | } | |
900 | ||
901 | static int tuner_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt) | |
902 | { | |
903 | struct tuner *t = to_tuner(sd); | |
904 | struct i2c_client *client = v4l2_get_subdevdata(sd); | |
905 | ||
bccfa449 | 906 | if (check_mode(t, "s_tuner") == -EINVAL) |
e8a4a9e7 HV |
907 | return 0; |
908 | ||
909 | switch_v4l2(); | |
910 | ||
911 | /* do nothing unless we're a radio tuner */ | |
912 | if (t->mode != V4L2_TUNER_RADIO) | |
913 | return 0; | |
914 | t->audmode = vt->audmode; | |
915 | set_radio_freq(client, t->radio_freq); | |
916 | return 0; | |
917 | } | |
918 | ||
919 | static int tuner_log_status(struct v4l2_subdev *sd) | |
920 | { | |
921 | struct tuner *t = to_tuner(sd); | |
922 | struct analog_demod_ops *analog_ops = &t->fe.ops.analog_ops; | |
1da177e4 | 923 | |
e8a4a9e7 HV |
924 | if (analog_ops->tuner_status) |
925 | analog_ops->tuner_status(&t->fe); | |
1da177e4 LT |
926 | return 0; |
927 | } | |
928 | ||
21b48a70 | 929 | static int tuner_suspend(struct i2c_client *c, pm_message_t state) |
1da177e4 | 930 | { |
e8a4a9e7 | 931 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
1da177e4 | 932 | |
9dd659de | 933 | tuner_dbg("suspend\n"); |
1da177e4 LT |
934 | /* FIXME: power down ??? */ |
935 | return 0; | |
936 | } | |
937 | ||
21b48a70 | 938 | static int tuner_resume(struct i2c_client *c) |
1da177e4 | 939 | { |
e8a4a9e7 | 940 | struct tuner *t = to_tuner(i2c_get_clientdata(c)); |
1da177e4 | 941 | |
9dd659de | 942 | tuner_dbg("resume\n"); |
27487d44 HV |
943 | if (V4L2_TUNER_RADIO == t->mode) { |
944 | if (t->radio_freq) | |
945 | set_freq(c, t->radio_freq); | |
946 | } else { | |
947 | if (t->tv_freq) | |
948 | set_freq(c, t->tv_freq); | |
949 | } | |
1da177e4 LT |
950 | return 0; |
951 | } | |
952 | ||
75b4c260 HV |
953 | static int tuner_command(struct i2c_client *client, unsigned cmd, void *arg) |
954 | { | |
955 | struct v4l2_subdev *sd = i2c_get_clientdata(client); | |
956 | ||
957 | /* TUNER_SET_CONFIG is still called by tuner-simple.c, so we have | |
958 | to handle it here. | |
959 | There must be a better way of doing this... */ | |
960 | switch (cmd) { | |
961 | case TUNER_SET_CONFIG: | |
962 | return tuner_s_config(sd, arg); | |
963 | } | |
964 | return -ENOIOCTLCMD; | |
965 | } | |
966 | ||
e8a4a9e7 HV |
967 | /* ----------------------------------------------------------------------- */ |
968 | ||
969 | static const struct v4l2_subdev_core_ops tuner_core_ops = { | |
970 | .log_status = tuner_log_status, | |
f41737ec | 971 | .s_std = tuner_s_std, |
622b828a | 972 | .s_power = tuner_s_power, |
e8a4a9e7 HV |
973 | }; |
974 | ||
975 | static const struct v4l2_subdev_tuner_ops tuner_tuner_ops = { | |
e8a4a9e7 HV |
976 | .s_radio = tuner_s_radio, |
977 | .g_tuner = tuner_g_tuner, | |
978 | .s_tuner = tuner_s_tuner, | |
979 | .s_frequency = tuner_s_frequency, | |
980 | .g_frequency = tuner_g_frequency, | |
981 | .s_type_addr = tuner_s_type_addr, | |
982 | .s_config = tuner_s_config, | |
983 | }; | |
984 | ||
985 | static const struct v4l2_subdev_ops tuner_ops = { | |
986 | .core = &tuner_core_ops, | |
987 | .tuner = &tuner_tuner_ops, | |
988 | }; | |
989 | ||
92de1f16 HV |
990 | /* ---------------------------------------------------------------------- */ |
991 | ||
c52c4d06 | 992 | static LIST_HEAD(tuner_list); |
92de1f16 HV |
993 | |
994 | /* Search for existing radio and/or TV tuners on the given I2C adapter. | |
9dd659de | 995 | Note that when this function is called from tuner_probe you can be |
92de1f16 HV |
996 | certain no other devices will be added/deleted at the same time, I2C |
997 | core protects against that. */ | |
998 | static void tuner_lookup(struct i2c_adapter *adap, | |
999 | struct tuner **radio, struct tuner **tv) | |
1000 | { | |
1001 | struct tuner *pos; | |
1002 | ||
1003 | *radio = NULL; | |
1004 | *tv = NULL; | |
1005 | ||
1006 | list_for_each_entry(pos, &tuner_list, list) { | |
1007 | int mode_mask; | |
1008 | ||
1009 | if (pos->i2c->adapter != adap || | |
0c846743 | 1010 | strcmp(pos->i2c->driver->driver.name, "tuner")) |
92de1f16 HV |
1011 | continue; |
1012 | ||
1013 | mode_mask = pos->mode_mask & ~T_STANDBY; | |
1014 | if (*radio == NULL && mode_mask == T_RADIO) | |
1015 | *radio = pos; | |
1016 | /* Note: currently TDA9887 is the only demod-only | |
1017 | device. If other devices appear then we need to | |
1018 | make this test more general. */ | |
1019 | else if (*tv == NULL && pos->type != TUNER_TDA9887 && | |
1020 | (pos->mode_mask & (T_ANALOG_TV | T_DIGITAL_TV))) | |
1021 | *tv = pos; | |
1022 | } | |
1023 | } | |
1024 | ||
1025 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
9dd659de | 1026 | set_type must then be completed by tuner_probe. |
92de1f16 | 1027 | */ |
d2653e92 JD |
1028 | static int tuner_probe(struct i2c_client *client, |
1029 | const struct i2c_device_id *id) | |
92de1f16 | 1030 | { |
92de1f16 HV |
1031 | struct tuner *t; |
1032 | struct tuner *radio; | |
1033 | struct tuner *tv; | |
1034 | ||
92de1f16 | 1035 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
9dd659de | 1036 | if (NULL == t) |
92de1f16 | 1037 | return -ENOMEM; |
e8a4a9e7 | 1038 | v4l2_i2c_subdev_init(&t->sd, client, &tuner_ops); |
92de1f16 | 1039 | t->i2c = client; |
7271e60a | 1040 | t->name = "(tuner unset)"; |
92de1f16 HV |
1041 | t->type = UNSET; |
1042 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
1043 | t->mode_mask = T_UNINITIALIZED; | |
1044 | ||
1045 | if (show_i2c) { | |
1046 | unsigned char buffer[16]; | |
1047 | int i, rc; | |
1048 | ||
1049 | memset(buffer, 0, sizeof(buffer)); | |
1050 | rc = i2c_master_recv(client, buffer, sizeof(buffer)); | |
1051 | tuner_info("I2C RECV = "); | |
1052 | for (i = 0; i < rc; i++) | |
1053 | printk(KERN_CONT "%02x ", buffer[i]); | |
1054 | printk("\n"); | |
1055 | } | |
92de1f16 HV |
1056 | |
1057 | /* autodetection code based on the i2c addr */ | |
1058 | if (!no_autodetect) { | |
9dd659de | 1059 | switch (client->addr) { |
92de1f16 | 1060 | case 0x10: |
a07c8779 MK |
1061 | if (tuner_symbol_probe(tea5761_autodetection, |
1062 | t->i2c->adapter, | |
1063 | t->i2c->addr) >= 0) { | |
92de1f16 HV |
1064 | t->type = TUNER_TEA5761; |
1065 | t->mode_mask = T_RADIO; | |
1066 | t->mode = T_STANDBY; | |
1067 | /* Sets freq to FM range */ | |
1068 | t->radio_freq = 87.5 * 16000; | |
1069 | tuner_lookup(t->i2c->adapter, &radio, &tv); | |
1070 | if (tv) | |
1071 | tv->mode_mask &= ~T_RADIO; | |
1072 | ||
1073 | goto register_client; | |
1074 | } | |
a570fb6e | 1075 | kfree(t); |
867e835f | 1076 | return -ENODEV; |
92de1f16 HV |
1077 | case 0x42: |
1078 | case 0x43: | |
1079 | case 0x4a: | |
1080 | case 0x4b: | |
1081 | /* If chip is not tda8290, don't register. | |
1082 | since it can be tda9887*/ | |
a07c8779 | 1083 | if (tuner_symbol_probe(tda829x_probe, t->i2c->adapter, |
b538d28c | 1084 | t->i2c->addr) >= 0) { |
92de1f16 HV |
1085 | tuner_dbg("tda829x detected\n"); |
1086 | } else { | |
1087 | /* Default is being tda9887 */ | |
1088 | t->type = TUNER_TDA9887; | |
1089 | t->mode_mask = T_RADIO | T_ANALOG_TV | | |
1090 | T_DIGITAL_TV; | |
1091 | t->mode = T_STANDBY; | |
1092 | goto register_client; | |
1093 | } | |
1094 | break; | |
1095 | case 0x60: | |
a07c8779 MK |
1096 | if (tuner_symbol_probe(tea5767_autodetection, |
1097 | t->i2c->adapter, t->i2c->addr) | |
b538d28c | 1098 | >= 0) { |
92de1f16 HV |
1099 | t->type = TUNER_TEA5767; |
1100 | t->mode_mask = T_RADIO; | |
1101 | t->mode = T_STANDBY; | |
1102 | /* Sets freq to FM range */ | |
1103 | t->radio_freq = 87.5 * 16000; | |
1104 | tuner_lookup(t->i2c->adapter, &radio, &tv); | |
1105 | if (tv) | |
1106 | tv->mode_mask &= ~T_RADIO; | |
1107 | ||
1108 | goto register_client; | |
1109 | } | |
1110 | break; | |
1111 | } | |
1112 | } | |
1113 | ||
1114 | /* Initializes only the first TV tuner on this adapter. Why only the | |
1115 | first? Because there are some devices (notably the ones with TI | |
1116 | tuners) that have more than one i2c address for the *same* device. | |
1117 | Experience shows that, except for just one case, the first | |
1118 | address is the right one. The exception is a Russian tuner | |
1119 | (ACORP_Y878F). So, the desired behavior is just to enable the | |
1120 | first found TV tuner. */ | |
1121 | tuner_lookup(t->i2c->adapter, &radio, &tv); | |
1122 | if (tv == NULL) { | |
1123 | t->mode_mask = T_ANALOG_TV | T_DIGITAL_TV; | |
1124 | if (radio == NULL) | |
1125 | t->mode_mask |= T_RADIO; | |
1126 | tuner_dbg("Setting mode_mask to 0x%02x\n", t->mode_mask); | |
1127 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ | |
1128 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
1129 | } | |
1130 | ||
1131 | /* Should be just before return */ | |
1132 | register_client: | |
9dd659de HV |
1133 | tuner_info("chip found @ 0x%x (%s)\n", client->addr << 1, |
1134 | client->adapter->name); | |
92de1f16 HV |
1135 | |
1136 | /* Sets a default mode */ | |
1137 | if (t->mode_mask & T_ANALOG_TV) { | |
864a6b81 | 1138 | t->mode = V4L2_TUNER_ANALOG_TV; |
92de1f16 | 1139 | } else if (t->mode_mask & T_RADIO) { |
864a6b81 | 1140 | t->mode = V4L2_TUNER_RADIO; |
92de1f16 | 1141 | } else { |
864a6b81 | 1142 | t->mode = V4L2_TUNER_DIGITAL_TV; |
92de1f16 | 1143 | } |
d7cba043 | 1144 | set_type(client, t->type, t->mode_mask, t->config, t->fe.callback); |
9dd659de | 1145 | list_add_tail(&t->list, &tuner_list); |
92de1f16 HV |
1146 | return 0; |
1147 | } | |
1148 | ||
9dd659de | 1149 | static int tuner_remove(struct i2c_client *client) |
92de1f16 | 1150 | { |
e8a4a9e7 | 1151 | struct tuner *t = to_tuner(i2c_get_clientdata(client)); |
92de1f16 | 1152 | |
e8a4a9e7 | 1153 | v4l2_device_unregister_subdev(&t->sd); |
a07c8779 MK |
1154 | tuner_detach(&t->fe); |
1155 | t->fe.analog_demod_priv = NULL; | |
92de1f16 HV |
1156 | |
1157 | list_del(&t->list); | |
1158 | kfree(t); | |
92de1f16 HV |
1159 | return 0; |
1160 | } | |
1161 | ||
1da177e4 LT |
1162 | /* ----------------------------------------------------------------------- */ |
1163 | ||
af294867 JD |
1164 | /* This driver supports many devices and the idea is to let the driver |
1165 | detect which device is present. So rather than listing all supported | |
1166 | devices here, we pretend to support a single, fake device type. */ | |
1167 | static const struct i2c_device_id tuner_id[] = { | |
1168 | { "tuner", }, /* autodetect */ | |
1169 | { } | |
1170 | }; | |
1171 | MODULE_DEVICE_TABLE(i2c, tuner_id); | |
1172 | ||
02a2098a HV |
1173 | static struct i2c_driver tuner_driver = { |
1174 | .driver = { | |
1175 | .owner = THIS_MODULE, | |
1176 | .name = "tuner", | |
1177 | }, | |
1178 | .probe = tuner_probe, | |
1179 | .remove = tuner_remove, | |
1180 | .command = tuner_command, | |
1181 | .suspend = tuner_suspend, | |
1182 | .resume = tuner_resume, | |
1183 | .id_table = tuner_id, | |
1da177e4 | 1184 | }; |
1da177e4 | 1185 | |
02a2098a HV |
1186 | static __init int init_tuner(void) |
1187 | { | |
1188 | return i2c_add_driver(&tuner_driver); | |
1189 | } | |
1190 | ||
1191 | static __exit void exit_tuner(void) | |
1192 | { | |
1193 | i2c_del_driver(&tuner_driver); | |
1194 | } | |
1195 | ||
1196 | module_init(init_tuner); | |
1197 | module_exit(exit_tuner); | |
1198 | ||
1da177e4 LT |
1199 | /* |
1200 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
1201 | * --------------------------------------------------------------------------- | |
1202 | * Local variables: | |
1203 | * c-basic-offset: 8 | |
1204 | * End: | |
1205 | */ |