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 HV |
43 | static unsigned int tuner_debug_old = 0; |
44 | int tuner_debug = 0; | |
1da177e4 | 45 | |
f7ce3cc6 | 46 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
47 | static unsigned int radio_range[2] = { 65, 108 }; |
48 | ||
7e578191 MCC |
49 | static char pal[] = "--"; |
50 | static char secam[] = "--"; | |
51 | static char ntsc[] = "-"; | |
52 | ||
f9195ded | 53 | |
7e578191 MCC |
54 | module_param(addr, int, 0444); |
55 | module_param(no_autodetect, int, 0444); | |
56 | module_param(show_i2c, int, 0444); | |
fac9e899 | 57 | /* Note: tuner_debug is deprecated and will be removed in 2.6.17 */ |
f9195ded HV |
58 | module_param_named(tuner_debug,tuner_debug_old, int, 0444); |
59 | module_param_named(debug,tuner_debug, int, 0644); | |
7e578191 MCC |
60 | module_param_string(pal, pal, sizeof(pal), 0644); |
61 | module_param_string(secam, secam, sizeof(secam), 0644); | |
62 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 63 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
64 | module_param_array(radio_range, int, NULL, 0644); |
65 | ||
66 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
67 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
68 | MODULE_LICENSE("GPL"); | |
69 | ||
1da177e4 LT |
70 | static struct i2c_driver driver; |
71 | static struct i2c_client client_template; | |
72 | ||
73 | /* ---------------------------------------------------------------------- */ | |
74 | ||
56fc08ca | 75 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
76 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
77 | { | |
78 | struct tuner *t = i2c_get_clientdata(c); | |
79 | ||
80 | if (t->type == UNSET) { | |
f7ce3cc6 | 81 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
82 | return; |
83 | } | |
27487d44 | 84 | if (NULL == t->set_tv_freq) { |
f7ce3cc6 | 85 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
86 | return; |
87 | } | |
f7ce3cc6 MCC |
88 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
89 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
90 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
91 | tv_range[1]); | |
27487d44 HV |
92 | /* V4L2 spec: if the freq is not possible then the closest |
93 | possible value should be selected */ | |
94 | if (freq < tv_range[0] * 16) | |
95 | freq = tv_range[0] * 16; | |
96 | else | |
97 | freq = tv_range[1] * 16; | |
1da177e4 | 98 | } |
27487d44 | 99 | t->set_tv_freq(c, freq); |
1da177e4 LT |
100 | } |
101 | ||
102 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
103 | { | |
104 | struct tuner *t = i2c_get_clientdata(c); | |
105 | ||
106 | if (t->type == UNSET) { | |
f7ce3cc6 | 107 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
108 | return; |
109 | } | |
27487d44 | 110 | if (NULL == t->set_radio_freq) { |
f7ce3cc6 | 111 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
112 | return; |
113 | } | |
27487d44 | 114 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
115 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
116 | freq / 16000, freq % 16000 * 100 / 16000, | |
117 | radio_range[0], radio_range[1]); | |
27487d44 HV |
118 | /* V4L2 spec: if the freq is not possible then the closest |
119 | possible value should be selected */ | |
120 | if (freq < radio_range[0] * 16000) | |
121 | freq = radio_range[0] * 16000; | |
122 | else | |
123 | freq = radio_range[1] * 16000; | |
1da177e4 | 124 | } |
586b0cab | 125 | |
27487d44 | 126 | t->set_radio_freq(c, freq); |
1da177e4 LT |
127 | } |
128 | ||
129 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
130 | { | |
131 | struct tuner *t = i2c_get_clientdata(c); | |
132 | ||
133 | switch (t->mode) { | |
134 | case V4L2_TUNER_RADIO: | |
135 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
136 | freq / 16000, freq % 16000 * 100 / 16000); |
137 | set_radio_freq(c, freq); | |
27487d44 | 138 | t->radio_freq = freq; |
1da177e4 LT |
139 | break; |
140 | case V4L2_TUNER_ANALOG_TV: | |
141 | case V4L2_TUNER_DIGITAL_TV: | |
142 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 143 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 144 | set_tv_freq(c, freq); |
27487d44 | 145 | t->tv_freq = freq; |
1da177e4 LT |
146 | break; |
147 | } | |
1da177e4 LT |
148 | } |
149 | ||
f7ce3cc6 MCC |
150 | static void set_type(struct i2c_client *c, unsigned int type, |
151 | unsigned int new_mode_mask) | |
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 | |
f7ce3cc6 | 166 | /* This code detects calls by card attach_inform */ |
1da177e4 | 167 | if (NULL == t->i2c.dev.driver) { |
f7ce3cc6 MCC |
168 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
169 | ||
170 | t->type=type; | |
1da177e4 LT |
171 | return; |
172 | } | |
56fc08ca | 173 | |
1da177e4 LT |
174 | t->type = type; |
175 | switch (t->type) { | |
176 | case TUNER_MT2032: | |
177 | microtune_init(c); | |
178 | break; | |
179 | case TUNER_PHILIPS_TDA8290: | |
180 | tda8290_init(c); | |
181 | break; | |
586b0cab | 182 | case TUNER_TEA5767: |
f7ce3cc6 MCC |
183 | if (tea5767_tuner_init(c) == EINVAL) { |
184 | t->type = TUNER_ABSENT; | |
185 | t->mode_mask = T_UNINITIALIZED; | |
186 | return; | |
187 | } | |
188 | t->mode_mask = T_RADIO; | |
586b0cab MCC |
189 | break; |
190 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
191 | buffer[0] = 0x0b; | |
192 | buffer[1] = 0xdc; | |
193 | buffer[2] = 0x9c; | |
194 | buffer[3] = 0x60; | |
f7ce3cc6 | 195 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
196 | mdelay(1); |
197 | buffer[2] = 0x86; | |
198 | buffer[3] = 0x54; | |
f7ce3cc6 | 199 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
200 | default_tuner_init(c); |
201 | break; | |
9c26c8b1 | 202 | case TUNER_LG_TDVS_H06XF: |
793cf9e6 MCC |
203 | /* Set the Auxiliary Byte. */ |
204 | buffer[2] &= ~0x20; | |
205 | buffer[2] |= 0x18; | |
206 | buffer[3] = 0x20; | |
207 | i2c_master_send(c, buffer, 4); | |
208 | default_tuner_init(c); | |
209 | break; | |
93df3413 HH |
210 | case TUNER_PHILIPS_TD1316: |
211 | buffer[0] = 0x0b; | |
212 | buffer[1] = 0xdc; | |
213 | buffer[2] = 0x86; | |
214 | buffer[3] = 0xa4; | |
215 | i2c_master_send(c,buffer,4); | |
216 | default_tuner_init(c); | |
ac272ed7 | 217 | break; |
15396236 MCC |
218 | case TUNER_TDA9887: |
219 | tda9887_tuner_init(c); | |
220 | break; | |
1da177e4 LT |
221 | default: |
222 | default_tuner_init(c); | |
223 | break; | |
224 | } | |
f7ce3cc6 MCC |
225 | |
226 | if (t->mode_mask == T_UNINITIALIZED) | |
227 | t->mode_mask = new_mode_mask; | |
228 | ||
27487d44 | 229 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq); |
f7ce3cc6 | 230 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 231 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 232 | t->mode_mask); |
1da177e4 LT |
233 | } |
234 | ||
f7ce3cc6 MCC |
235 | /* |
236 | * This function apply tuner config to tuner specified | |
237 | * by tun_setup structure. I addr is unset, then admin status | |
238 | * and tun addr status is more precise then current status, | |
239 | * it's applied. Otherwise status and type are applied only to | |
240 | * tuner with exactly the same addr. | |
241 | */ | |
242 | ||
243 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
244 | { | |
245 | struct tuner *t = i2c_get_clientdata(c); | |
246 | ||
15396236 MCC |
247 | tuner_dbg("set addr for type %i\n", t->type); |
248 | ||
291d1d73 | 249 | if ( t->type == UNSET && ((tun_setup->addr == ADDR_UNSET && |
793cf9e6 | 250 | (t->mode_mask & tun_setup->mode_mask)) || |
291d1d73 | 251 | tun_setup->addr == c->addr)) { |
f7ce3cc6 | 252 | set_type(c, tun_setup->type, tun_setup->mode_mask); |
f7ce3cc6 MCC |
253 | } |
254 | } | |
56fc08ca | 255 | |
f7ce3cc6 | 256 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 257 | { |
793cf9e6 MCC |
258 | if ((1 << t->mode & t->mode_mask) == 0) { |
259 | return EINVAL; | |
260 | } | |
261 | ||
262 | switch (t->mode) { | |
263 | case V4L2_TUNER_RADIO: | |
264 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
265 | break; | |
266 | case V4L2_TUNER_ANALOG_TV: | |
267 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
268 | break; | |
269 | case V4L2_TUNER_DIGITAL_TV: | |
270 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
271 | break; | |
56fc08ca | 272 | } |
793cf9e6 | 273 | return 0; |
56fc08ca | 274 | } |
56fc08ca | 275 | |
f7ce3cc6 | 276 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
277 | static int tuner_fixup_std(struct tuner *t) |
278 | { | |
279 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 LT |
280 | switch (pal[0]) { |
281 | case 'b': | |
282 | case 'B': | |
283 | case 'g': | |
284 | case 'G': | |
f7ce3cc6 | 285 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
286 | t->std = V4L2_STD_PAL_BG; |
287 | break; | |
288 | case 'i': | |
289 | case 'I': | |
f7ce3cc6 | 290 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
291 | t->std = V4L2_STD_PAL_I; |
292 | break; | |
293 | case 'd': | |
294 | case 'D': | |
295 | case 'k': | |
296 | case 'K': | |
f7ce3cc6 | 297 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
298 | t->std = V4L2_STD_PAL_DK; |
299 | break; | |
f7ce3cc6 MCC |
300 | case 'M': |
301 | case 'm': | |
302 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
303 | t->std = V4L2_STD_PAL_M; | |
304 | break; | |
305 | case 'N': | |
306 | case 'n': | |
7e578191 MCC |
307 | if (pal[1] == 'c' || pal[1] == 'C') { |
308 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
309 | t->std = V4L2_STD_PAL_Nc; | |
310 | } else { | |
311 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
312 | t->std = V4L2_STD_PAL_N; | |
313 | } | |
f7ce3cc6 | 314 | break; |
21d4df37 MCC |
315 | case '-': |
316 | /* default parameter, do nothing */ | |
317 | break; | |
318 | default: | |
319 | tuner_warn ("pal= argument not recognised\n"); | |
320 | break; | |
1da177e4 LT |
321 | } |
322 | } | |
f7ce3cc6 MCC |
323 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
324 | switch (secam[0]) { | |
7e578191 MCC |
325 | case 'b': |
326 | case 'B': | |
327 | case 'g': | |
328 | case 'G': | |
329 | case 'h': | |
330 | case 'H': | |
331 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
332 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
333 | break; | |
f7ce3cc6 MCC |
334 | case 'd': |
335 | case 'D': | |
336 | case 'k': | |
337 | case 'K': | |
338 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
339 | t->std = V4L2_STD_SECAM_DK; | |
340 | break; | |
341 | case 'l': | |
342 | case 'L': | |
800d3c6f MCC |
343 | if ((secam[1]=='C')||(secam[1]=='c')) { |
344 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
345 | t->std = V4L2_STD_SECAM_LC; | |
346 | } else { | |
347 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
348 | t->std = V4L2_STD_SECAM_L; | |
349 | } | |
f7ce3cc6 | 350 | break; |
21d4df37 MCC |
351 | case '-': |
352 | /* default parameter, do nothing */ | |
353 | break; | |
354 | default: | |
355 | tuner_warn ("secam= argument not recognised\n"); | |
356 | break; | |
f7ce3cc6 MCC |
357 | } |
358 | } | |
359 | ||
7e578191 MCC |
360 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
361 | switch (ntsc[0]) { | |
362 | case 'm': | |
363 | case 'M': | |
364 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
365 | t->std = V4L2_STD_NTSC_M; | |
366 | break; | |
367 | case 'j': | |
368 | case 'J': | |
369 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
370 | t->std = V4L2_STD_NTSC_M_JP; | |
371 | break; | |
d97a11e0 HV |
372 | case 'k': |
373 | case 'K': | |
374 | tuner_dbg("insmod fixup: NTSC => NTSC_M_KR\n"); | |
375 | t->std = V4L2_STD_NTSC_M_KR; | |
376 | break; | |
7e578191 MCC |
377 | case '-': |
378 | /* default parameter, do nothing */ | |
379 | break; | |
380 | default: | |
381 | tuner_info("ntsc= argument not recognised\n"); | |
382 | break; | |
383 | } | |
384 | } | |
1da177e4 LT |
385 | return 0; |
386 | } | |
387 | ||
7e578191 MCC |
388 | static void tuner_status(struct i2c_client *client) |
389 | { | |
390 | struct tuner *t = i2c_get_clientdata(client); | |
391 | unsigned long freq, freq_fraction; | |
392 | const char *p; | |
393 | ||
394 | switch (t->mode) { | |
395 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
396 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
397 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
398 | default: p = "undefined"; break; | |
399 | } | |
400 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
401 | freq = t->radio_freq / 16000; |
402 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 403 | } else { |
27487d44 HV |
404 | freq = t->tv_freq / 16; |
405 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
406 | } |
407 | tuner_info("Tuner mode: %s\n", p); | |
408 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
4ae5c2e5 | 409 | tuner_info("Standard: 0x%08lx\n", (unsigned long)t->std); |
8a4b275f HV |
410 | if (t->mode != V4L2_TUNER_RADIO) |
411 | return; | |
412 | if (t->has_signal) { | |
413 | tuner_info("Signal strength: %d\n", t->has_signal(client)); | |
414 | } | |
415 | if (t->is_stereo) { | |
416 | tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no"); | |
7e578191 MCC |
417 | } |
418 | } | |
8a4b275f | 419 | |
1da177e4 LT |
420 | /* ---------------------------------------------------------------------- */ |
421 | ||
f7ce3cc6 MCC |
422 | /* static var Used only in tuner_attach and tuner_probe */ |
423 | static unsigned default_mode_mask; | |
424 | ||
425 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
426 | set_type must then be completed by tuner_attach. | |
427 | */ | |
1da177e4 LT |
428 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
429 | { | |
430 | struct tuner *t; | |
431 | ||
f7ce3cc6 MCC |
432 | client_template.adapter = adap; |
433 | client_template.addr = addr; | |
1da177e4 | 434 | |
7408187d | 435 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
f7ce3cc6 MCC |
436 | if (NULL == t) |
437 | return -ENOMEM; | |
f7ce3cc6 | 438 | memcpy(&t->i2c, &client_template, sizeof(struct i2c_client)); |
1da177e4 | 439 | i2c_set_clientdata(&t->i2c, t); |
f7ce3cc6 MCC |
440 | t->type = UNSET; |
441 | t->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ | |
442 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
443 | t->mode_mask = T_UNINITIALIZED; | |
15396236 | 444 | t->tuner_status = tuner_status; |
f9195ded HV |
445 | if (tuner_debug_old) { |
446 | tuner_debug = tuner_debug_old; | |
fac9e899 HV |
447 | printk(KERN_ERR "tuner: tuner_debug is deprecated and will be removed in 2.6.17.\n"); |
448 | printk(KERN_ERR "tuner: use the debug option instead.\n"); | |
449 | } | |
f7ce3cc6 | 450 | |
fd3113e8 MCC |
451 | if (show_i2c) { |
452 | unsigned char buffer[16]; | |
453 | int i,rc; | |
454 | ||
455 | memset(buffer, 0, sizeof(buffer)); | |
456 | rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer)); | |
67678360 | 457 | tuner_info("I2C RECV = "); |
fd3113e8 MCC |
458 | for (i=0;i<rc;i++) |
459 | printk("%02x ",buffer[i]); | |
460 | printk("\n"); | |
461 | } | |
257c645d | 462 | /* autodetection code based on the i2c addr */ |
c5287ba1 | 463 | if (!no_autodetect) { |
13dd38d0 | 464 | switch (addr) { |
13dd38d0 MCC |
465 | case 0x42: |
466 | case 0x43: | |
467 | case 0x4a: | |
95736034 | 468 | case 0x4b: |
67678360 MCC |
469 | /* If chip is not tda8290, don't register. |
470 | since it can be tda9887*/ | |
15396236 MCC |
471 | if (tda8290_probe(&t->i2c) == 0) { |
472 | tuner_dbg("chip at addr %x is a tda8290\n", addr); | |
473 | } else { | |
474 | /* Default is being tda9887 */ | |
475 | t->type = TUNER_TDA9887; | |
476 | t->mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; | |
477 | t->mode = T_STANDBY; | |
478 | goto register_client; | |
13dd38d0 | 479 | } |
07345f5d HH |
480 | break; |
481 | case 0x60: | |
482 | if (tea5767_autodetection(&t->i2c) != EINVAL) { | |
483 | t->type = TUNER_TEA5767; | |
484 | t->mode_mask = T_RADIO; | |
485 | t->mode = T_STANDBY; | |
27487d44 | 486 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ |
07345f5d | 487 | default_mode_mask &= ~T_RADIO; |
13dd38d0 | 488 | |
07345f5d HH |
489 | goto register_client; |
490 | } | |
491 | break; | |
f7ce3cc6 MCC |
492 | } |
493 | } | |
1da177e4 | 494 | |
f7ce3cc6 MCC |
495 | /* Initializes only the first adapter found */ |
496 | if (default_mode_mask != T_UNINITIALIZED) { | |
497 | tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask); | |
498 | t->mode_mask = default_mode_mask; | |
27487d44 HV |
499 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ |
500 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
f7ce3cc6 MCC |
501 | default_mode_mask = T_UNINITIALIZED; |
502 | } | |
56fc08ca | 503 | |
f7ce3cc6 | 504 | /* Should be just before return */ |
67678360 MCC |
505 | register_client: |
506 | tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); | |
f7ce3cc6 MCC |
507 | i2c_attach_client (&t->i2c); |
508 | set_type (&t->i2c,t->type, t->mode_mask); | |
1da177e4 LT |
509 | return 0; |
510 | } | |
511 | ||
512 | static int tuner_probe(struct i2c_adapter *adap) | |
513 | { | |
514 | if (0 != addr) { | |
f5bec396 MCC |
515 | normal_i2c[0] = addr; |
516 | normal_i2c[1] = I2C_CLIENT_END; | |
1da177e4 | 517 | } |
1da177e4 | 518 | |
f7ce3cc6 | 519 | default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; |
391cd727 | 520 | |
1da177e4 LT |
521 | if (adap->class & I2C_CLASS_TV_ANALOG) |
522 | return i2c_probe(adap, &addr_data, tuner_attach); | |
523 | return 0; | |
524 | } | |
525 | ||
526 | static int tuner_detach(struct i2c_client *client) | |
527 | { | |
528 | struct tuner *t = i2c_get_clientdata(client); | |
391cd727 MCC |
529 | int err; |
530 | ||
f7ce3cc6 | 531 | err = i2c_detach_client(&t->i2c); |
391cd727 | 532 | if (err) { |
f7ce3cc6 MCC |
533 | tuner_warn |
534 | ("Client deregistration failed, client not detached.\n"); | |
391cd727 MCC |
535 | return err; |
536 | } | |
1da177e4 | 537 | |
1da177e4 LT |
538 | kfree(t); |
539 | return 0; | |
540 | } | |
541 | ||
f7ce3cc6 MCC |
542 | /* |
543 | * Switch tuner to other mode. If tuner support both tv and radio, | |
544 | * set another frequency to some value (This is needed for some pal | |
545 | * tuners to avoid locking). Otherwise, just put second tuner in | |
546 | * standby mode. | |
547 | */ | |
548 | ||
549 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
550 | { | |
4ac97914 MCC |
551 | if (mode == t->mode) |
552 | return 0; | |
553 | ||
554 | t->mode = mode; | |
555 | ||
556 | if (check_mode(t, cmd) == EINVAL) { | |
557 | t->mode = T_STANDBY; | |
558 | if (t->standby) | |
559 | t->standby (client); | |
560 | return EINVAL; | |
561 | } | |
562 | return 0; | |
f7ce3cc6 MCC |
563 | } |
564 | ||
565 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
566 | tuner_dbg("switching to v4l2\n"); \ |
567 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
568 | |
569 | static inline int check_v4l2(struct tuner *t) | |
570 | { | |
3bbe5a83 HV |
571 | /* bttv still uses both v4l1 and v4l2 calls to the tuner (v4l2 for |
572 | TV, v4l1 for radio), until that is fixed this code is disabled. | |
573 | Otherwise the radio (v4l1) wouldn't tune after using the TV (v4l2) | |
574 | first. */ | |
f7ce3cc6 MCC |
575 | return 0; |
576 | } | |
1da177e4 | 577 | |
f7ce3cc6 | 578 | static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
1da177e4 LT |
579 | { |
580 | struct tuner *t = i2c_get_clientdata(client); | |
1da177e4 | 581 | |
f9195ded | 582 | if (tuner_debug>1) |
5e453dc7 MK |
583 | v4l_i2c_print_ioctl(&(t->i2c),cmd); |
584 | ||
f7ce3cc6 | 585 | switch (cmd) { |
1da177e4 | 586 | /* --- configuration --- */ |
56fc08ca | 587 | case TUNER_SET_TYPE_ADDR: |
f7ce3cc6 MCC |
588 | tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x\n", |
589 | ((struct tuner_setup *)arg)->type, | |
590 | ((struct tuner_setup *)arg)->addr, | |
591 | ((struct tuner_setup *)arg)->mode_mask); | |
592 | ||
593 | set_addr(client, (struct tuner_setup *)arg); | |
391cd727 | 594 | break; |
1da177e4 | 595 | case AUDC_SET_RADIO: |
27487d44 HV |
596 | if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO") |
597 | == EINVAL) | |
598 | return 0; | |
599 | if (t->radio_freq) | |
600 | set_freq(client, t->radio_freq); | |
1da177e4 | 601 | break; |
793cf9e6 | 602 | case TUNER_SET_STANDBY: |
27487d44 HV |
603 | if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL) |
604 | return 0; | |
15396236 | 605 | t->mode = T_STANDBY; |
27487d44 HV |
606 | if (t->standby) |
607 | t->standby (client); | |
608 | break; | |
fd3113e8 MCC |
609 | case VIDIOCSAUDIO: |
610 | if (check_mode(t, "VIDIOCSAUDIO") == EINVAL) | |
611 | return 0; | |
612 | if (check_v4l2(t) == EINVAL) | |
613 | return 0; | |
614 | ||
615 | /* Should be implemented, since bttv calls it */ | |
616 | tuner_dbg("VIDIOCSAUDIO not implemented.\n"); | |
f7ce3cc6 | 617 | break; |
15396236 MCC |
618 | case TDA9887_SET_CONFIG: |
619 | { | |
620 | int *i = arg; | |
621 | ||
622 | t->tda9887_config = *i; | |
623 | set_freq(client, t->tv_freq); | |
624 | break; | |
625 | } | |
1da177e4 LT |
626 | /* --- v4l ioctls --- */ |
627 | /* take care: bttv does userspace copying, we'll get a | |
628 | kernel pointer here... */ | |
629 | case VIDIOCSCHAN: | |
f7ce3cc6 MCC |
630 | { |
631 | static const v4l2_std_id map[] = { | |
632 | [VIDEO_MODE_PAL] = V4L2_STD_PAL, | |
633 | [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M, | |
634 | [VIDEO_MODE_SECAM] = V4L2_STD_SECAM, | |
635 | [4 /* bttv */ ] = V4L2_STD_PAL_M, | |
636 | [5 /* bttv */ ] = V4L2_STD_PAL_N, | |
637 | [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
638 | }; | |
639 | struct video_channel *vc = arg; | |
640 | ||
641 | if (check_v4l2(t) == EINVAL) | |
642 | return 0; | |
643 | ||
644 | if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL) | |
645 | return 0; | |
646 | ||
647 | if (vc->norm < ARRAY_SIZE(map)) | |
648 | t->std = map[vc->norm]; | |
649 | tuner_fixup_std(t); | |
27487d44 HV |
650 | if (t->tv_freq) |
651 | set_tv_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
652 | return 0; |
653 | } | |
1da177e4 | 654 | case VIDIOCSFREQ: |
f7ce3cc6 MCC |
655 | { |
656 | unsigned long *v = arg; | |
1da177e4 | 657 | |
f7ce3cc6 MCC |
658 | if (check_mode(t, "VIDIOCSFREQ") == EINVAL) |
659 | return 0; | |
660 | if (check_v4l2(t) == EINVAL) | |
661 | return 0; | |
662 | ||
663 | set_freq(client, *v); | |
664 | return 0; | |
665 | } | |
1da177e4 | 666 | case VIDIOCGTUNER: |
f7ce3cc6 MCC |
667 | { |
668 | struct video_tuner *vt = arg; | |
669 | ||
670 | if (check_mode(t, "VIDIOCGTUNER") == EINVAL) | |
671 | return 0; | |
672 | if (check_v4l2(t) == EINVAL) | |
673 | return 0; | |
674 | ||
675 | if (V4L2_TUNER_RADIO == t->mode) { | |
676 | if (t->has_signal) | |
677 | vt->signal = t->has_signal(client); | |
678 | if (t->is_stereo) { | |
679 | if (t->is_stereo(client)) | |
680 | vt->flags |= | |
681 | VIDEO_TUNER_STEREO_ON; | |
682 | else | |
683 | vt->flags &= | |
684 | ~VIDEO_TUNER_STEREO_ON; | |
685 | } | |
686 | vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ | |
586b0cab | 687 | |
f7ce3cc6 MCC |
688 | vt->rangelow = radio_range[0] * 16000; |
689 | vt->rangehigh = radio_range[1] * 16000; | |
586b0cab | 690 | |
f7ce3cc6 MCC |
691 | } else { |
692 | vt->rangelow = tv_range[0] * 16; | |
693 | vt->rangehigh = tv_range[1] * 16; | |
694 | } | |
56fc08ca | 695 | |
f7ce3cc6 MCC |
696 | return 0; |
697 | } | |
1da177e4 | 698 | case VIDIOCGAUDIO: |
f7ce3cc6 MCC |
699 | { |
700 | struct video_audio *va = arg; | |
701 | ||
702 | if (check_mode(t, "VIDIOCGAUDIO") == EINVAL) | |
703 | return 0; | |
704 | if (check_v4l2(t) == EINVAL) | |
705 | return 0; | |
706 | ||
707 | if (V4L2_TUNER_RADIO == t->mode && t->is_stereo) | |
708 | va->mode = t->is_stereo(client) | |
709 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; | |
710 | return 0; | |
711 | } | |
1da177e4 LT |
712 | |
713 | case VIDIOC_S_STD: | |
f7ce3cc6 MCC |
714 | { |
715 | v4l2_std_id *id = arg; | |
1da177e4 | 716 | |
f7ce3cc6 MCC |
717 | if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD") |
718 | == EINVAL) | |
719 | return 0; | |
56fc08ca | 720 | |
f7ce3cc6 MCC |
721 | switch_v4l2(); |
722 | ||
723 | t->std = *id; | |
724 | tuner_fixup_std(t); | |
27487d44 HV |
725 | if (t->tv_freq) |
726 | set_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
727 | break; |
728 | } | |
1da177e4 | 729 | case VIDIOC_S_FREQUENCY: |
f7ce3cc6 MCC |
730 | { |
731 | struct v4l2_frequency *f = arg; | |
732 | ||
f7ce3cc6 | 733 | switch_v4l2(); |
df8cf706 HH |
734 | if ((V4L2_TUNER_RADIO == f->type && V4L2_TUNER_RADIO != t->mode) |
735 | || (V4L2_TUNER_DIGITAL_TV == f->type | |
736 | && V4L2_TUNER_DIGITAL_TV != t->mode)) { | |
4ac97914 | 737 | if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY") |
f7ce3cc6 MCC |
738 | == EINVAL) |
739 | return 0; | |
740 | } | |
27487d44 | 741 | set_freq(client,f->frequency); |
c184ca36 | 742 | |
f7ce3cc6 MCC |
743 | break; |
744 | } | |
745 | case VIDIOC_G_FREQUENCY: | |
746 | { | |
747 | struct v4l2_frequency *f = arg; | |
748 | ||
749 | if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL) | |
750 | return 0; | |
751 | switch_v4l2(); | |
752 | f->type = t->mode; | |
27487d44 HV |
753 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? |
754 | t->radio_freq : t->tv_freq; | |
f7ce3cc6 MCC |
755 | break; |
756 | } | |
1da177e4 | 757 | case VIDIOC_G_TUNER: |
f7ce3cc6 MCC |
758 | { |
759 | struct v4l2_tuner *tuner = arg; | |
760 | ||
761 | if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL) | |
762 | return 0; | |
763 | switch_v4l2(); | |
764 | ||
8a4b275f | 765 | tuner->type = t->mode; |
15396236 MCC |
766 | if (t->get_afc) |
767 | tuner->afc=t->get_afc(client); | |
ab4cecf9 HV |
768 | if (t->mode == V4L2_TUNER_ANALOG_TV) |
769 | tuner->capability |= V4L2_TUNER_CAP_NORM; | |
8a4b275f | 770 | if (t->mode != V4L2_TUNER_RADIO) { |
f7ce3cc6 MCC |
771 | tuner->rangelow = tv_range[0] * 16; |
772 | tuner->rangehigh = tv_range[1] * 16; | |
8a4b275f HV |
773 | break; |
774 | } | |
775 | ||
776 | /* radio mode */ | |
777 | if (t->has_signal) | |
778 | tuner->signal = t->has_signal(client); | |
779 | ||
780 | tuner->rxsubchans = | |
781 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
782 | if (t->is_stereo) { | |
783 | tuner->rxsubchans = t->is_stereo(client) ? | |
784 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; | |
56fc08ca | 785 | } |
8a4b275f HV |
786 | |
787 | tuner->capability |= | |
788 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
789 | tuner->audmode = t->audmode; | |
790 | tuner->rangelow = radio_range[0] * 16000; | |
791 | tuner->rangehigh = radio_range[1] * 16000; | |
f7ce3cc6 MCC |
792 | break; |
793 | } | |
794 | case VIDIOC_S_TUNER: | |
795 | { | |
796 | struct v4l2_tuner *tuner = arg; | |
797 | ||
798 | if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL) | |
799 | return 0; | |
800 | ||
801 | switch_v4l2(); | |
802 | ||
8a4b275f HV |
803 | /* do nothing unless we're a radio tuner */ |
804 | if (t->mode != V4L2_TUNER_RADIO) | |
805 | break; | |
806 | t->audmode = tuner->audmode; | |
807 | set_radio_freq(client, t->radio_freq); | |
f7ce3cc6 | 808 | break; |
56fc08ca | 809 | } |
cd43c3f6 | 810 | case VIDIOC_LOG_STATUS: |
15396236 MCC |
811 | if (t->tuner_status) |
812 | t->tuner_status(client); | |
cd43c3f6 | 813 | break; |
1da177e4 LT |
814 | } |
815 | ||
816 | return 0; | |
817 | } | |
818 | ||
9480e307 | 819 | static int tuner_suspend(struct device *dev, pm_message_t state) |
1da177e4 | 820 | { |
f7ce3cc6 MCC |
821 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
822 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 823 | |
f7ce3cc6 | 824 | tuner_dbg ("suspend\n"); |
1da177e4 LT |
825 | /* FIXME: power down ??? */ |
826 | return 0; | |
827 | } | |
828 | ||
9480e307 | 829 | static int tuner_resume(struct device *dev) |
1da177e4 | 830 | { |
f7ce3cc6 MCC |
831 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
832 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 833 | |
f7ce3cc6 | 834 | tuner_dbg ("resume\n"); |
27487d44 HV |
835 | if (V4L2_TUNER_RADIO == t->mode) { |
836 | if (t->radio_freq) | |
837 | set_freq(c, t->radio_freq); | |
838 | } else { | |
839 | if (t->tv_freq) | |
840 | set_freq(c, t->tv_freq); | |
841 | } | |
1da177e4 LT |
842 | return 0; |
843 | } | |
844 | ||
845 | /* ----------------------------------------------------------------------- */ | |
846 | ||
847 | static struct i2c_driver driver = { | |
f7ce3cc6 | 848 | .id = I2C_DRIVERID_TUNER, |
f7ce3cc6 MCC |
849 | .attach_adapter = tuner_probe, |
850 | .detach_client = tuner_detach, | |
851 | .command = tuner_command, | |
1da177e4 | 852 | .driver = { |
cab462f7 MCC |
853 | .name = "tuner", |
854 | .suspend = tuner_suspend, | |
855 | .resume = tuner_resume, | |
856 | }, | |
1da177e4 | 857 | }; |
f7ce3cc6 | 858 | static struct i2c_client client_template = { |
fae91e72 | 859 | .name = "(tuner unset)", |
f7ce3cc6 | 860 | .driver = &driver, |
1da177e4 LT |
861 | }; |
862 | ||
863 | static int __init tuner_init_module(void) | |
864 | { | |
865 | return i2c_add_driver(&driver); | |
866 | } | |
867 | ||
868 | static void __exit tuner_cleanup_module(void) | |
869 | { | |
870 | i2c_del_driver(&driver); | |
871 | } | |
872 | ||
873 | module_init(tuner_init_module); | |
874 | module_exit(tuner_cleanup_module); | |
875 | ||
876 | /* | |
877 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
878 | * --------------------------------------------------------------------------- | |
879 | * Local variables: | |
880 | * c-basic-offset: 8 | |
881 | * End: | |
882 | */ |