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> | |
10 | #include <linux/sched.h> | |
11 | #include <linux/string.h> | |
12 | #include <linux/timer.h> | |
13 | #include <linux/delay.h> | |
14 | #include <linux/errno.h> | |
15 | #include <linux/slab.h> | |
16 | #include <linux/poll.h> | |
17 | #include <linux/i2c.h> | |
18 | #include <linux/types.h> | |
19 | #include <linux/videodev.h> | |
20 | #include <linux/init.h> | |
21 | ||
22 | #include <media/tuner.h> | |
5e453dc7 | 23 | #include <media/v4l2-common.h> |
1da177e4 LT |
24 | |
25 | #define UNSET (-1U) | |
26 | ||
27 | /* standard i2c insmod options */ | |
28 | static unsigned short normal_i2c[] = { | |
de48eebc | 29 | 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ |
f5bec396 MCC |
30 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
31 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, | |
1da177e4 LT |
32 | I2C_CLIENT_END |
33 | }; | |
f7ce3cc6 | 34 | |
1da177e4 LT |
35 | I2C_CLIENT_INSMOD; |
36 | ||
37 | /* insmod options used at init time => read/only */ | |
f7ce3cc6 | 38 | static unsigned int addr = 0; |
c5287ba1 | 39 | static unsigned int no_autodetect = 0; |
fd3113e8 | 40 | static unsigned int show_i2c = 0; |
fd3113e8 | 41 | |
1da177e4 | 42 | /* insmod options used at runtime => read/write */ |
f9195ded | 43 | int tuner_debug = 0; |
1da177e4 | 44 | |
f7ce3cc6 | 45 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
46 | static unsigned int radio_range[2] = { 65, 108 }; |
47 | ||
7e578191 MCC |
48 | static char pal[] = "--"; |
49 | static char secam[] = "--"; | |
50 | static char ntsc[] = "-"; | |
51 | ||
f9195ded | 52 | |
7e578191 MCC |
53 | module_param(addr, int, 0444); |
54 | module_param(no_autodetect, int, 0444); | |
55 | module_param(show_i2c, int, 0444); | |
f9195ded | 56 | module_param_named(debug,tuner_debug, int, 0644); |
7e578191 MCC |
57 | module_param_string(pal, pal, sizeof(pal), 0644); |
58 | module_param_string(secam, secam, sizeof(secam), 0644); | |
59 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 60 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
61 | module_param_array(radio_range, int, NULL, 0644); |
62 | ||
63 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
64 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
65 | MODULE_LICENSE("GPL"); | |
66 | ||
1da177e4 LT |
67 | static struct i2c_driver driver; |
68 | static struct i2c_client client_template; | |
69 | ||
70 | /* ---------------------------------------------------------------------- */ | |
71 | ||
56fc08ca | 72 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
73 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
74 | { | |
75 | struct tuner *t = i2c_get_clientdata(c); | |
76 | ||
77 | if (t->type == UNSET) { | |
f7ce3cc6 | 78 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
79 | return; |
80 | } | |
27487d44 | 81 | if (NULL == t->set_tv_freq) { |
f7ce3cc6 | 82 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
83 | return; |
84 | } | |
f7ce3cc6 MCC |
85 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
86 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
87 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
88 | tv_range[1]); | |
27487d44 HV |
89 | /* V4L2 spec: if the freq is not possible then the closest |
90 | possible value should be selected */ | |
91 | if (freq < tv_range[0] * 16) | |
92 | freq = tv_range[0] * 16; | |
93 | else | |
94 | freq = tv_range[1] * 16; | |
1da177e4 | 95 | } |
27487d44 | 96 | t->set_tv_freq(c, freq); |
1da177e4 LT |
97 | } |
98 | ||
99 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
100 | { | |
101 | struct tuner *t = i2c_get_clientdata(c); | |
102 | ||
103 | if (t->type == UNSET) { | |
f7ce3cc6 | 104 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
105 | return; |
106 | } | |
27487d44 | 107 | if (NULL == t->set_radio_freq) { |
f7ce3cc6 | 108 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
109 | return; |
110 | } | |
27487d44 | 111 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
112 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
113 | freq / 16000, freq % 16000 * 100 / 16000, | |
114 | radio_range[0], radio_range[1]); | |
27487d44 HV |
115 | /* V4L2 spec: if the freq is not possible then the closest |
116 | possible value should be selected */ | |
117 | if (freq < radio_range[0] * 16000) | |
118 | freq = radio_range[0] * 16000; | |
119 | else | |
120 | freq = radio_range[1] * 16000; | |
1da177e4 | 121 | } |
586b0cab | 122 | |
27487d44 | 123 | t->set_radio_freq(c, freq); |
1da177e4 LT |
124 | } |
125 | ||
126 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
127 | { | |
128 | struct tuner *t = i2c_get_clientdata(c); | |
129 | ||
130 | switch (t->mode) { | |
131 | case V4L2_TUNER_RADIO: | |
132 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
133 | freq / 16000, freq % 16000 * 100 / 16000); |
134 | set_radio_freq(c, freq); | |
27487d44 | 135 | t->radio_freq = freq; |
1da177e4 LT |
136 | break; |
137 | case V4L2_TUNER_ANALOG_TV: | |
138 | case V4L2_TUNER_DIGITAL_TV: | |
139 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 140 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 141 | set_tv_freq(c, freq); |
27487d44 | 142 | t->tv_freq = freq; |
1da177e4 LT |
143 | break; |
144 | } | |
1da177e4 LT |
145 | } |
146 | ||
f7ce3cc6 MCC |
147 | static void set_type(struct i2c_client *c, unsigned int type, |
148 | unsigned int new_mode_mask) | |
1da177e4 LT |
149 | { |
150 | struct tuner *t = i2c_get_clientdata(c); | |
586b0cab | 151 | unsigned char buffer[4]; |
1da177e4 | 152 | |
f7ce3cc6 MCC |
153 | if (type == UNSET || type == TUNER_ABSENT) { |
154 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 155 | return; |
f7ce3cc6 MCC |
156 | } |
157 | ||
158 | if (type >= tuner_count) { | |
159 | tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count); | |
1da177e4 | 160 | return; |
f7ce3cc6 | 161 | } |
1da177e4 | 162 | |
f7ce3cc6 | 163 | /* This code detects calls by card attach_inform */ |
1da177e4 | 164 | if (NULL == t->i2c.dev.driver) { |
f7ce3cc6 MCC |
165 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
166 | ||
167 | t->type=type; | |
1da177e4 LT |
168 | return; |
169 | } | |
56fc08ca | 170 | |
1da177e4 LT |
171 | t->type = type; |
172 | switch (t->type) { | |
173 | case TUNER_MT2032: | |
174 | microtune_init(c); | |
175 | break; | |
176 | case TUNER_PHILIPS_TDA8290: | |
177 | tda8290_init(c); | |
178 | break; | |
586b0cab | 179 | case TUNER_TEA5767: |
f7ce3cc6 MCC |
180 | if (tea5767_tuner_init(c) == EINVAL) { |
181 | t->type = TUNER_ABSENT; | |
182 | t->mode_mask = T_UNINITIALIZED; | |
183 | return; | |
184 | } | |
185 | t->mode_mask = T_RADIO; | |
586b0cab MCC |
186 | break; |
187 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
188 | buffer[0] = 0x0b; | |
189 | buffer[1] = 0xdc; | |
190 | buffer[2] = 0x9c; | |
191 | buffer[3] = 0x60; | |
f7ce3cc6 | 192 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
193 | mdelay(1); |
194 | buffer[2] = 0x86; | |
195 | buffer[3] = 0x54; | |
f7ce3cc6 | 196 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
197 | default_tuner_init(c); |
198 | break; | |
9c26c8b1 | 199 | case TUNER_LG_TDVS_H06XF: |
793cf9e6 MCC |
200 | /* Set the Auxiliary Byte. */ |
201 | buffer[2] &= ~0x20; | |
202 | buffer[2] |= 0x18; | |
203 | buffer[3] = 0x20; | |
204 | i2c_master_send(c, buffer, 4); | |
205 | default_tuner_init(c); | |
206 | break; | |
93df3413 HH |
207 | case TUNER_PHILIPS_TD1316: |
208 | buffer[0] = 0x0b; | |
209 | buffer[1] = 0xdc; | |
210 | buffer[2] = 0x86; | |
211 | buffer[3] = 0xa4; | |
212 | i2c_master_send(c,buffer,4); | |
213 | default_tuner_init(c); | |
ac272ed7 | 214 | break; |
15396236 MCC |
215 | case TUNER_TDA9887: |
216 | tda9887_tuner_init(c); | |
217 | break; | |
1da177e4 LT |
218 | default: |
219 | default_tuner_init(c); | |
220 | break; | |
221 | } | |
f7ce3cc6 MCC |
222 | |
223 | if (t->mode_mask == T_UNINITIALIZED) | |
224 | t->mode_mask = new_mode_mask; | |
225 | ||
27487d44 | 226 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq); |
f7ce3cc6 | 227 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 228 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 229 | t->mode_mask); |
1da177e4 LT |
230 | } |
231 | ||
f7ce3cc6 MCC |
232 | /* |
233 | * This function apply tuner config to tuner specified | |
234 | * by tun_setup structure. I addr is unset, then admin status | |
235 | * and tun addr status is more precise then current status, | |
236 | * it's applied. Otherwise status and type are applied only to | |
237 | * tuner with exactly the same addr. | |
238 | */ | |
239 | ||
240 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
241 | { | |
242 | struct tuner *t = i2c_get_clientdata(c); | |
243 | ||
15396236 MCC |
244 | tuner_dbg("set addr for type %i\n", t->type); |
245 | ||
291d1d73 | 246 | if ( t->type == UNSET && ((tun_setup->addr == ADDR_UNSET && |
793cf9e6 | 247 | (t->mode_mask & tun_setup->mode_mask)) || |
291d1d73 | 248 | tun_setup->addr == c->addr)) { |
f7ce3cc6 | 249 | set_type(c, tun_setup->type, tun_setup->mode_mask); |
f7ce3cc6 MCC |
250 | } |
251 | } | |
56fc08ca | 252 | |
f7ce3cc6 | 253 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 254 | { |
793cf9e6 MCC |
255 | if ((1 << t->mode & t->mode_mask) == 0) { |
256 | return EINVAL; | |
257 | } | |
258 | ||
259 | switch (t->mode) { | |
260 | case V4L2_TUNER_RADIO: | |
261 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
262 | break; | |
263 | case V4L2_TUNER_ANALOG_TV: | |
264 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
265 | break; | |
266 | case V4L2_TUNER_DIGITAL_TV: | |
267 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
268 | break; | |
56fc08ca | 269 | } |
793cf9e6 | 270 | return 0; |
56fc08ca | 271 | } |
56fc08ca | 272 | |
f7ce3cc6 | 273 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
274 | static int tuner_fixup_std(struct tuner *t) |
275 | { | |
276 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 LT |
277 | switch (pal[0]) { |
278 | case 'b': | |
279 | case 'B': | |
280 | case 'g': | |
281 | case 'G': | |
f7ce3cc6 | 282 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
283 | t->std = V4L2_STD_PAL_BG; |
284 | break; | |
285 | case 'i': | |
286 | case 'I': | |
f7ce3cc6 | 287 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
288 | t->std = V4L2_STD_PAL_I; |
289 | break; | |
290 | case 'd': | |
291 | case 'D': | |
292 | case 'k': | |
293 | case 'K': | |
f7ce3cc6 | 294 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
295 | t->std = V4L2_STD_PAL_DK; |
296 | break; | |
f7ce3cc6 MCC |
297 | case 'M': |
298 | case 'm': | |
299 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
300 | t->std = V4L2_STD_PAL_M; | |
301 | break; | |
302 | case 'N': | |
303 | case 'n': | |
7e578191 MCC |
304 | if (pal[1] == 'c' || pal[1] == 'C') { |
305 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
306 | t->std = V4L2_STD_PAL_Nc; | |
307 | } else { | |
308 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
309 | t->std = V4L2_STD_PAL_N; | |
310 | } | |
f7ce3cc6 | 311 | break; |
21d4df37 MCC |
312 | case '-': |
313 | /* default parameter, do nothing */ | |
314 | break; | |
315 | default: | |
316 | tuner_warn ("pal= argument not recognised\n"); | |
317 | break; | |
1da177e4 LT |
318 | } |
319 | } | |
f7ce3cc6 MCC |
320 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
321 | switch (secam[0]) { | |
7e578191 MCC |
322 | case 'b': |
323 | case 'B': | |
324 | case 'g': | |
325 | case 'G': | |
326 | case 'h': | |
327 | case 'H': | |
328 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
329 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
330 | break; | |
f7ce3cc6 MCC |
331 | case 'd': |
332 | case 'D': | |
333 | case 'k': | |
334 | case 'K': | |
335 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
336 | t->std = V4L2_STD_SECAM_DK; | |
337 | break; | |
338 | case 'l': | |
339 | case 'L': | |
800d3c6f MCC |
340 | if ((secam[1]=='C')||(secam[1]=='c')) { |
341 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
342 | t->std = V4L2_STD_SECAM_LC; | |
343 | } else { | |
344 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
345 | t->std = V4L2_STD_SECAM_L; | |
346 | } | |
f7ce3cc6 | 347 | break; |
21d4df37 MCC |
348 | case '-': |
349 | /* default parameter, do nothing */ | |
350 | break; | |
351 | default: | |
352 | tuner_warn ("secam= argument not recognised\n"); | |
353 | break; | |
f7ce3cc6 MCC |
354 | } |
355 | } | |
356 | ||
7e578191 MCC |
357 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
358 | switch (ntsc[0]) { | |
359 | case 'm': | |
360 | case 'M': | |
361 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
362 | t->std = V4L2_STD_NTSC_M; | |
363 | break; | |
364 | case 'j': | |
365 | case 'J': | |
366 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
367 | t->std = V4L2_STD_NTSC_M_JP; | |
368 | break; | |
d97a11e0 HV |
369 | case 'k': |
370 | case 'K': | |
371 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
372 | t->std = V4L2_STD_NTSC_M_KR; | |
373 | break; | |
7e578191 MCC |
374 | case '-': |
375 | /* default parameter, do nothing */ | |
376 | break; | |
377 | default: | |
378 | tuner_info("ntsc= argument not recognised\n"); | |
379 | break; | |
380 | } | |
381 | } | |
1da177e4 LT |
382 | return 0; |
383 | } | |
384 | ||
7e578191 MCC |
385 | static void tuner_status(struct i2c_client *client) |
386 | { | |
387 | struct tuner *t = i2c_get_clientdata(client); | |
388 | unsigned long freq, freq_fraction; | |
389 | const char *p; | |
390 | ||
391 | switch (t->mode) { | |
392 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
393 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
394 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
395 | default: p = "undefined"; break; | |
396 | } | |
397 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
398 | freq = t->radio_freq / 16000; |
399 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 400 | } else { |
27487d44 HV |
401 | freq = t->tv_freq / 16; |
402 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
403 | } |
404 | tuner_info("Tuner mode: %s\n", p); | |
405 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 406 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
407 | if (t->mode != V4L2_TUNER_RADIO) |
408 | return; | |
409 | if (t->has_signal) { | |
410 | tuner_info("Signal strength: %d\n", t->has_signal(client)); | |
411 | } | |
412 | if (t->is_stereo) { | |
413 | tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no"); | |
7e578191 MCC |
414 | } |
415 | } | |
8a4b275f | 416 | |
1da177e4 LT |
417 | /* ---------------------------------------------------------------------- */ |
418 | ||
f7ce3cc6 MCC |
419 | /* static var Used only in tuner_attach and tuner_probe */ |
420 | static unsigned default_mode_mask; | |
421 | ||
422 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
423 | set_type must then be completed by tuner_attach. | |
424 | */ | |
1da177e4 LT |
425 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
426 | { | |
427 | struct tuner *t; | |
428 | ||
f7ce3cc6 MCC |
429 | client_template.adapter = adap; |
430 | client_template.addr = addr; | |
1da177e4 | 431 | |
7408187d | 432 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
f7ce3cc6 MCC |
433 | if (NULL == t) |
434 | return -ENOMEM; | |
f7ce3cc6 | 435 | memcpy(&t->i2c, &client_template, sizeof(struct i2c_client)); |
1da177e4 | 436 | i2c_set_clientdata(&t->i2c, t); |
f7ce3cc6 MCC |
437 | t->type = UNSET; |
438 | t->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ | |
439 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
440 | t->mode_mask = T_UNINITIALIZED; | |
15396236 | 441 | t->tuner_status = tuner_status; |
f7ce3cc6 | 442 | |
fd3113e8 MCC |
443 | if (show_i2c) { |
444 | unsigned char buffer[16]; | |
445 | int i,rc; | |
446 | ||
447 | memset(buffer, 0, sizeof(buffer)); | |
448 | rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer)); | |
67678360 | 449 | tuner_info("I2C RECV = "); |
fd3113e8 MCC |
450 | for (i=0;i<rc;i++) |
451 | printk("%02x ",buffer[i]); | |
452 | printk("\n"); | |
453 | } | |
257c645d | 454 | /* autodetection code based on the i2c addr */ |
c5287ba1 | 455 | if (!no_autodetect) { |
13dd38d0 | 456 | switch (addr) { |
13dd38d0 MCC |
457 | case 0x42: |
458 | case 0x43: | |
459 | case 0x4a: | |
95736034 | 460 | case 0x4b: |
67678360 MCC |
461 | /* If chip is not tda8290, don't register. |
462 | since it can be tda9887*/ | |
15396236 MCC |
463 | if (tda8290_probe(&t->i2c) == 0) { |
464 | tuner_dbg("chip at addr %x is a tda8290\n", addr); | |
465 | } else { | |
466 | /* Default is being tda9887 */ | |
467 | t->type = TUNER_TDA9887; | |
468 | t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; | |
469 | t->mode = T_STANDBY; | |
470 | goto register_client; | |
13dd38d0 | 471 | } |
07345f5d HH |
472 | break; |
473 | case 0x60: | |
474 | if (tea5767_autodetection(&t->i2c) != EINVAL) { | |
475 | t->type = TUNER_TEA5767; | |
476 | t->mode_mask = T_RADIO; | |
477 | t->mode = T_STANDBY; | |
27487d44 | 478 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ |
07345f5d | 479 | default_mode_mask &= ~T_RADIO; |
13dd38d0 | 480 | |
07345f5d HH |
481 | goto register_client; |
482 | } | |
483 | break; | |
f7ce3cc6 MCC |
484 | } |
485 | } | |
1da177e4 | 486 | |
f7ce3cc6 MCC |
487 | /* Initializes only the first adapter found */ |
488 | if (default_mode_mask != T_UNINITIALIZED) { | |
489 | tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask); | |
490 | t->mode_mask = default_mode_mask; | |
27487d44 HV |
491 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ |
492 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
f7ce3cc6 MCC |
493 | default_mode_mask = T_UNINITIALIZED; |
494 | } | |
56fc08ca | 495 | |
f7ce3cc6 | 496 | /* Should be just before return */ |
67678360 MCC |
497 | register_client: |
498 | tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); | |
f7ce3cc6 MCC |
499 | i2c_attach_client (&t->i2c); |
500 | set_type (&t->i2c,t->type, t->mode_mask); | |
1da177e4 LT |
501 | return 0; |
502 | } | |
503 | ||
504 | static int tuner_probe(struct i2c_adapter *adap) | |
505 | { | |
506 | if (0 != addr) { | |
f5bec396 MCC |
507 | normal_i2c[0] = addr; |
508 | normal_i2c[1] = I2C_CLIENT_END; | |
1da177e4 | 509 | } |
1da177e4 | 510 | |
f7ce3cc6 | 511 | default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; |
391cd727 | 512 | |
1da177e4 LT |
513 | if (adap->class & I2C_CLASS_TV_ANALOG) |
514 | return i2c_probe(adap, &addr_data, tuner_attach); | |
515 | return 0; | |
516 | } | |
517 | ||
518 | static int tuner_detach(struct i2c_client *client) | |
519 | { | |
520 | struct tuner *t = i2c_get_clientdata(client); | |
391cd727 MCC |
521 | int err; |
522 | ||
f7ce3cc6 | 523 | err = i2c_detach_client(&t->i2c); |
391cd727 | 524 | if (err) { |
f7ce3cc6 MCC |
525 | tuner_warn |
526 | ("Client deregistration failed, client not detached.\n"); | |
391cd727 MCC |
527 | return err; |
528 | } | |
1da177e4 | 529 | |
1da177e4 LT |
530 | kfree(t); |
531 | return 0; | |
532 | } | |
533 | ||
f7ce3cc6 MCC |
534 | /* |
535 | * Switch tuner to other mode. If tuner support both tv and radio, | |
536 | * set another frequency to some value (This is needed for some pal | |
537 | * tuners to avoid locking). Otherwise, just put second tuner in | |
538 | * standby mode. | |
539 | */ | |
540 | ||
541 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
542 | { | |
4ac97914 MCC |
543 | if (mode == t->mode) |
544 | return 0; | |
545 | ||
546 | t->mode = mode; | |
547 | ||
548 | if (check_mode(t, cmd) == EINVAL) { | |
549 | t->mode = T_STANDBY; | |
550 | if (t->standby) | |
551 | t->standby (client); | |
552 | return EINVAL; | |
553 | } | |
554 | return 0; | |
f7ce3cc6 MCC |
555 | } |
556 | ||
557 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
558 | tuner_dbg("switching to v4l2\n"); \ |
559 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
560 | |
561 | static inline int check_v4l2(struct tuner *t) | |
562 | { | |
3bbe5a83 HV |
563 | /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for |
564 | TV, v4l1 for radio), until that is fixed this code is disabled. | |
565 | Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2) | |
566 | first. */ | |
f7ce3cc6 MCC |
567 | return 0; |
568 | } | |
1da177e4 | 569 | |
f7ce3cc6 | 570 | static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
1da177e4 LT |
571 | { |
572 | struct tuner *t = i2c_get_clientdata(client); | |
1da177e4 | 573 | |
f9195ded | 574 | if (tuner_debug>1) |
5e453dc7 MK |
575 | v4l_i2c_print_ioctl(&(t->i2c),cmd); |
576 | ||
f7ce3cc6 | 577 | switch (cmd) { |
1da177e4 | 578 | /* --- configuration --- */ |
56fc08ca | 579 | case TUNER_SET_TYPE_ADDR: |
f7ce3cc6 MCC |
580 | tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x\n", |
581 | ((struct tuner_setup *)arg)->type, | |
582 | ((struct tuner_setup *)arg)->addr, | |
583 | ((struct tuner_setup *)arg)->mode_mask); | |
584 | ||
585 | set_addr(client, (struct tuner_setup *)arg); | |
391cd727 | 586 | break; |
1da177e4 | 587 | case AUDC_SET_RADIO: |
27487d44 HV |
588 | if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO") |
589 | == EINVAL) | |
590 | return 0; | |
591 | if (t->radio_freq) | |
592 | set_freq(client, t->radio_freq); | |
1da177e4 | 593 | break; |
793cf9e6 | 594 | case TUNER_SET_STANDBY: |
27487d44 HV |
595 | if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL) |
596 | return 0; | |
15396236 | 597 | t->mode = T_STANDBY; |
27487d44 HV |
598 | if (t->standby) |
599 | t->standby (client); | |
600 | break; | |
fd3113e8 MCC |
601 | case VIDIOCSAUDIO: |
602 | if (check_mode(t, "VIDIOCSAUDIO") == EINVAL) | |
603 | return 0; | |
604 | if (check_v4l2(t) == EINVAL) | |
605 | return 0; | |
606 | ||
607 | /* Should be implemented, since bttv calls it */ | |
608 | tuner_dbg("VIDIOCSAUDIO not implemented.\n"); | |
f7ce3cc6 | 609 | break; |
15396236 MCC |
610 | case TDA9887_SET_CONFIG: |
611 | { | |
612 | int *i = arg; | |
613 | ||
614 | t->tda9887_config = *i; | |
615 | set_freq(client, t->tv_freq); | |
616 | break; | |
617 | } | |
1da177e4 LT |
618 | /* --- v4l ioctls --- */ |
619 | /* take care: bttv does userspace copying, we'll get a | |
620 | kernel pointer here... */ | |
621 | case VIDIOCSCHAN: | |
f7ce3cc6 MCC |
622 | { |
623 | static const v4l2_std_id map[] = { | |
624 | [VIDEO_MODE_PAL] = V4L2_STD_PAL, | |
625 | [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M, | |
626 | [VIDEO_MODE_SECAM] = V4L2_STD_SECAM, | |
627 | [4 /* bttv */ ] = V4L2_STD_PAL_M, | |
628 | [5 /* bttv */ ] = V4L2_STD_PAL_N, | |
629 | [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
630 | }; | |
631 | struct video_channel *vc = arg; | |
632 | ||
633 | if (check_v4l2(t) == EINVAL) | |
634 | return 0; | |
635 | ||
636 | if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL) | |
637 | return 0; | |
638 | ||
639 | if (vc->norm < ARRAY_SIZE(map)) | |
640 | t->std = map[vc->norm]; | |
641 | tuner_fixup_std(t); | |
27487d44 HV |
642 | if (t->tv_freq) |
643 | set_tv_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
644 | return 0; |
645 | } | |
1da177e4 | 646 | case VIDIOCSFREQ: |
f7ce3cc6 MCC |
647 | { |
648 | unsigned long *v = arg; | |
1da177e4 | 649 | |
f7ce3cc6 MCC |
650 | if (check_mode(t, "VIDIOCSFREQ") == EINVAL) |
651 | return 0; | |
652 | if (check_v4l2(t) == EINVAL) | |
653 | return 0; | |
654 | ||
655 | set_freq(client, *v); | |
656 | return 0; | |
657 | } | |
1da177e4 | 658 | case VIDIOCGTUNER: |
f7ce3cc6 MCC |
659 | { |
660 | struct video_tuner *vt = arg; | |
661 | ||
662 | if (check_mode(t, "VIDIOCGTUNER") == EINVAL) | |
663 | return 0; | |
664 | if (check_v4l2(t) == EINVAL) | |
665 | return 0; | |
666 | ||
667 | if (V4L2_TUNER_RADIO == t->mode) { | |
668 | if (t->has_signal) | |
669 | vt->signal = t->has_signal(client); | |
670 | if (t->is_stereo) { | |
671 | if (t->is_stereo(client)) | |
672 | vt->flags |= | |
673 | VIDEO_TUNER_STEREO_ON; | |
674 | else | |
675 | vt->flags &= | |
676 | ~VIDEO_TUNER_STEREO_ON; | |
677 | } | |
678 | vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ | |
586b0cab | 679 | |
f7ce3cc6 MCC |
680 | vt->rangelow = radio_range[0] * 16000; |
681 | vt->rangehigh = radio_range[1] * 16000; | |
586b0cab | 682 | |
f7ce3cc6 MCC |
683 | } else { |
684 | vt->rangelow = tv_range[0] * 16; | |
685 | vt->rangehigh = tv_range[1] * 16; | |
686 | } | |
56fc08ca | 687 | |
f7ce3cc6 MCC |
688 | return 0; |
689 | } | |
1da177e4 | 690 | case VIDIOCGAUDIO: |
f7ce3cc6 MCC |
691 | { |
692 | struct video_audio *va = arg; | |
693 | ||
694 | if (check_mode(t, "VIDIOCGAUDIO") == EINVAL) | |
695 | return 0; | |
696 | if (check_v4l2(t) == EINVAL) | |
697 | return 0; | |
698 | ||
699 | if (V4L2_TUNER_RADIO == t->mode && t->is_stereo) | |
700 | va->mode = t->is_stereo(client) | |
701 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; | |
702 | return 0; | |
703 | } | |
1da177e4 LT |
704 | |
705 | case VIDIOC_S_STD: | |
f7ce3cc6 MCC |
706 | { |
707 | v4l2_std_id *id = arg; | |
1da177e4 | 708 | |
f7ce3cc6 MCC |
709 | if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD") |
710 | == EINVAL) | |
711 | return 0; | |
56fc08ca | 712 | |
f7ce3cc6 MCC |
713 | switch_v4l2(); |
714 | ||
715 | t->std = *id; | |
716 | tuner_fixup_std(t); | |
27487d44 HV |
717 | if (t->tv_freq) |
718 | set_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
719 | break; |
720 | } | |
1da177e4 | 721 | case VIDIOC_S_FREQUENCY: |
f7ce3cc6 MCC |
722 | { |
723 | struct v4l2_frequency *f = arg; | |
724 | ||
4f725cb3 HV |
725 | if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY") |
726 | == EINVAL) | |
727 | return 0; | |
f7ce3cc6 | 728 | switch_v4l2(); |
27487d44 | 729 | set_freq(client,f->frequency); |
c184ca36 | 730 | |
f7ce3cc6 MCC |
731 | break; |
732 | } | |
733 | case VIDIOC_G_FREQUENCY: | |
734 | { | |
735 | struct v4l2_frequency *f = arg; | |
736 | ||
737 | if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL) | |
738 | return 0; | |
739 | switch_v4l2(); | |
740 | f->type = t->mode; | |
27487d44 HV |
741 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? |
742 | t->radio_freq : t->tv_freq; | |
f7ce3cc6 MCC |
743 | break; |
744 | } | |
1da177e4 | 745 | case VIDIOC_G_TUNER: |
f7ce3cc6 MCC |
746 | { |
747 | struct v4l2_tuner *tuner = arg; | |
748 | ||
749 | if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL) | |
750 | return 0; | |
751 | switch_v4l2(); | |
752 | ||
8a4b275f | 753 | tuner->type = t->mode; |
15396236 MCC |
754 | if (t->get_afc) |
755 | tuner->afc=t->get_afc(client); | |
ab4cecf9 HV |
756 | if (t->mode == V4L2_TUNER_ANALOG_TV) |
757 | tuner->capability |= V4L2_TUNER_CAP_NORM; | |
8a4b275f | 758 | if (t->mode != V4L2_TUNER_RADIO) { |
f7ce3cc6 MCC |
759 | tuner->rangelow = tv_range[0] * 16; |
760 | tuner->rangehigh = tv_range[1] * 16; | |
8a4b275f HV |
761 | break; |
762 | } | |
763 | ||
764 | /* radio mode */ | |
765 | if (t->has_signal) | |
766 | tuner->signal = t->has_signal(client); | |
767 | ||
768 | tuner->rxsubchans = | |
769 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
770 | if (t->is_stereo) { | |
771 | tuner->rxsubchans = t->is_stereo(client) ? | |
772 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; | |
56fc08ca | 773 | } |
8a4b275f HV |
774 | |
775 | tuner->capability |= | |
776 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
777 | tuner->audmode = t->audmode; | |
778 | tuner->rangelow = radio_range[0] * 16000; | |
779 | tuner->rangehigh = radio_range[1] * 16000; | |
f7ce3cc6 MCC |
780 | break; |
781 | } | |
782 | case VIDIOC_S_TUNER: | |
783 | { | |
784 | struct v4l2_tuner *tuner = arg; | |
785 | ||
786 | if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL) | |
787 | return 0; | |
788 | ||
789 | switch_v4l2(); | |
790 | ||
8a4b275f HV |
791 | /* do nothing unless we're a radio tuner */ |
792 | if (t->mode != V4L2_TUNER_RADIO) | |
793 | break; | |
794 | t->audmode = tuner->audmode; | |
795 | set_radio_freq(client, t->radio_freq); | |
f7ce3cc6 | 796 | break; |
56fc08ca | 797 | } |
cd43c3f6 | 798 | case VIDIOC_LOG_STATUS: |
15396236 MCC |
799 | if (t->tuner_status) |
800 | t->tuner_status(client); | |
cd43c3f6 | 801 | break; |
1da177e4 LT |
802 | } |
803 | ||
804 | return 0; | |
805 | } | |
806 | ||
9480e307 | 807 | static int tuner_suspend(struct device *dev, pm_message_t state) |
1da177e4 | 808 | { |
f7ce3cc6 MCC |
809 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
810 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 811 | |
f7ce3cc6 | 812 | tuner_dbg ("suspend\n"); |
1da177e4 LT |
813 | /* FIXME: power down ??? */ |
814 | return 0; | |
815 | } | |
816 | ||
9480e307 | 817 | static int tuner_resume(struct device *dev) |
1da177e4 | 818 | { |
f7ce3cc6 MCC |
819 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
820 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 821 | |
f7ce3cc6 | 822 | tuner_dbg ("resume\n"); |
27487d44 HV |
823 | if (V4L2_TUNER_RADIO == t->mode) { |
824 | if (t->radio_freq) | |
825 | set_freq(c, t->radio_freq); | |
826 | } else { | |
827 | if (t->tv_freq) | |
828 | set_freq(c, t->tv_freq); | |
829 | } | |
1da177e4 LT |
830 | return 0; |
831 | } | |
832 | ||
833 | /* ----------------------------------------------------------------------- */ | |
834 | ||
835 | static struct i2c_driver driver = { | |
f7ce3cc6 | 836 | .id = I2C_DRIVERID_TUNER, |
f7ce3cc6 MCC |
837 | .attach_adapter = tuner_probe, |
838 | .detach_client = tuner_detach, | |
839 | .command = tuner_command, | |
1da177e4 | 840 | .driver = { |
cab462f7 MCC |
841 | .name = "tuner", |
842 | .suspend = tuner_suspend, | |
843 | .resume = tuner_resume, | |
844 | }, | |
1da177e4 | 845 | }; |
f7ce3cc6 | 846 | static struct i2c_client client_template = { |
fae91e72 | 847 | .name = "(tuner unset)", |
f7ce3cc6 | 848 | .driver = &driver, |
1da177e4 LT |
849 | }; |
850 | ||
851 | static int __init tuner_init_module(void) | |
852 | { | |
853 | return i2c_add_driver(&driver); | |
854 | } | |
855 | ||
856 | static void __exit tuner_cleanup_module(void) | |
857 | { | |
858 | i2c_del_driver(&driver); | |
859 | } | |
860 | ||
861 | module_init(tuner_init_module); | |
862 | module_exit(tuner_cleanup_module); | |
863 | ||
864 | /* | |
865 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
866 | * --------------------------------------------------------------------------- | |
867 | * Local variables: | |
868 | * c-basic-offset: 8 | |
869 | * End: | |
870 | */ |