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 | #include <media/audiochip.h> |
25 | ||
26 | #define UNSET (-1U) | |
27 | ||
28 | /* standard i2c insmod options */ | |
29 | static unsigned short normal_i2c[] = { | |
de48eebc | 30 | 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */ |
f5bec396 MCC |
31 | 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
32 | 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, | |
1da177e4 LT |
33 | I2C_CLIENT_END |
34 | }; | |
f7ce3cc6 | 35 | |
1da177e4 LT |
36 | I2C_CLIENT_INSMOD; |
37 | ||
38 | /* insmod options used at init time => read/only */ | |
f7ce3cc6 | 39 | static unsigned int addr = 0; |
c5287ba1 | 40 | static unsigned int no_autodetect = 0; |
fd3113e8 | 41 | static unsigned int show_i2c = 0; |
fd3113e8 | 42 | |
1da177e4 | 43 | /* insmod options used at runtime => read/write */ |
f9195ded HV |
44 | static unsigned int tuner_debug_old = 0; |
45 | int tuner_debug = 0; | |
1da177e4 | 46 | |
f7ce3cc6 | 47 | static unsigned int tv_range[2] = { 44, 958 }; |
1da177e4 LT |
48 | static unsigned int radio_range[2] = { 65, 108 }; |
49 | ||
7e578191 MCC |
50 | static char pal[] = "--"; |
51 | static char secam[] = "--"; | |
52 | static char ntsc[] = "-"; | |
53 | ||
f9195ded | 54 | |
7e578191 MCC |
55 | module_param(addr, int, 0444); |
56 | module_param(no_autodetect, int, 0444); | |
57 | module_param(show_i2c, int, 0444); | |
fac9e899 | 58 | /* Note: tuner_debug is deprecated and will be removed in 2.6.17 */ |
f9195ded HV |
59 | module_param_named(tuner_debug,tuner_debug_old, int, 0444); |
60 | module_param_named(debug,tuner_debug, int, 0644); | |
7e578191 MCC |
61 | module_param_string(pal, pal, sizeof(pal), 0644); |
62 | module_param_string(secam, secam, sizeof(secam), 0644); | |
63 | module_param_string(ntsc, ntsc, sizeof(ntsc), 0644); | |
f7ce3cc6 | 64 | module_param_array(tv_range, int, NULL, 0644); |
1da177e4 LT |
65 | module_param_array(radio_range, int, NULL, 0644); |
66 | ||
67 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); | |
68 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); | |
69 | MODULE_LICENSE("GPL"); | |
70 | ||
1da177e4 LT |
71 | static struct i2c_driver driver; |
72 | static struct i2c_client client_template; | |
73 | ||
74 | /* ---------------------------------------------------------------------- */ | |
75 | ||
56fc08ca | 76 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
1da177e4 LT |
77 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
78 | { | |
79 | struct tuner *t = i2c_get_clientdata(c); | |
80 | ||
81 | if (t->type == UNSET) { | |
f7ce3cc6 | 82 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
83 | return; |
84 | } | |
27487d44 | 85 | if (NULL == t->set_tv_freq) { |
f7ce3cc6 | 86 | tuner_warn ("Tuner has no way to set tv freq\n"); |
1da177e4 LT |
87 | return; |
88 | } | |
f7ce3cc6 MCC |
89 | if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) { |
90 | tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n", | |
91 | freq / 16, freq % 16 * 100 / 16, tv_range[0], | |
92 | tv_range[1]); | |
27487d44 HV |
93 | /* V4L2 spec: if the freq is not possible then the closest |
94 | possible value should be selected */ | |
95 | if (freq < tv_range[0] * 16) | |
96 | freq = tv_range[0] * 16; | |
97 | else | |
98 | freq = tv_range[1] * 16; | |
1da177e4 | 99 | } |
27487d44 | 100 | t->set_tv_freq(c, freq); |
1da177e4 LT |
101 | } |
102 | ||
103 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) | |
104 | { | |
105 | struct tuner *t = i2c_get_clientdata(c); | |
106 | ||
107 | if (t->type == UNSET) { | |
f7ce3cc6 | 108 | tuner_warn ("tuner type not set\n"); |
1da177e4 LT |
109 | return; |
110 | } | |
27487d44 | 111 | if (NULL == t->set_radio_freq) { |
f7ce3cc6 | 112 | tuner_warn ("tuner has no way to set radio frequency\n"); |
1da177e4 LT |
113 | return; |
114 | } | |
27487d44 | 115 | if (freq < radio_range[0] * 16000 || freq > radio_range[1] * 16000) { |
f7ce3cc6 MCC |
116 | tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n", |
117 | freq / 16000, freq % 16000 * 100 / 16000, | |
118 | radio_range[0], radio_range[1]); | |
27487d44 HV |
119 | /* V4L2 spec: if the freq is not possible then the closest |
120 | possible value should be selected */ | |
121 | if (freq < radio_range[0] * 16000) | |
122 | freq = radio_range[0] * 16000; | |
123 | else | |
124 | freq = radio_range[1] * 16000; | |
1da177e4 | 125 | } |
586b0cab | 126 | |
27487d44 | 127 | t->set_radio_freq(c, freq); |
1da177e4 LT |
128 | } |
129 | ||
130 | static void set_freq(struct i2c_client *c, unsigned long freq) | |
131 | { | |
132 | struct tuner *t = i2c_get_clientdata(c); | |
133 | ||
134 | switch (t->mode) { | |
135 | case V4L2_TUNER_RADIO: | |
136 | tuner_dbg("radio freq set to %lu.%02lu\n", | |
f7ce3cc6 MCC |
137 | freq / 16000, freq % 16000 * 100 / 16000); |
138 | set_radio_freq(c, freq); | |
27487d44 | 139 | t->radio_freq = freq; |
1da177e4 LT |
140 | break; |
141 | case V4L2_TUNER_ANALOG_TV: | |
142 | case V4L2_TUNER_DIGITAL_TV: | |
143 | tuner_dbg("tv freq set to %lu.%02lu\n", | |
f7ce3cc6 | 144 | freq / 16, freq % 16 * 100 / 16); |
1da177e4 | 145 | set_tv_freq(c, freq); |
27487d44 | 146 | t->tv_freq = freq; |
1da177e4 LT |
147 | break; |
148 | } | |
1da177e4 LT |
149 | } |
150 | ||
f7ce3cc6 MCC |
151 | static void set_type(struct i2c_client *c, unsigned int type, |
152 | unsigned int new_mode_mask) | |
1da177e4 LT |
153 | { |
154 | struct tuner *t = i2c_get_clientdata(c); | |
586b0cab | 155 | unsigned char buffer[4]; |
1da177e4 | 156 | |
f7ce3cc6 MCC |
157 | if (type == UNSET || type == TUNER_ABSENT) { |
158 | tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr); | |
1da177e4 | 159 | return; |
f7ce3cc6 MCC |
160 | } |
161 | ||
162 | if (type >= tuner_count) { | |
163 | tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count); | |
1da177e4 | 164 | return; |
f7ce3cc6 | 165 | } |
1da177e4 | 166 | |
f7ce3cc6 | 167 | /* This code detects calls by card attach_inform */ |
1da177e4 | 168 | if (NULL == t->i2c.dev.driver) { |
f7ce3cc6 MCC |
169 | tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr); |
170 | ||
171 | t->type=type; | |
1da177e4 LT |
172 | return; |
173 | } | |
56fc08ca | 174 | |
1da177e4 | 175 | t->type = type; |
f7ce3cc6 | 176 | |
1da177e4 LT |
177 | switch (t->type) { |
178 | case TUNER_MT2032: | |
179 | microtune_init(c); | |
180 | break; | |
181 | case TUNER_PHILIPS_TDA8290: | |
182 | tda8290_init(c); | |
183 | break; | |
586b0cab | 184 | case TUNER_TEA5767: |
f7ce3cc6 MCC |
185 | if (tea5767_tuner_init(c) == EINVAL) { |
186 | t->type = TUNER_ABSENT; | |
187 | t->mode_mask = T_UNINITIALIZED; | |
188 | return; | |
189 | } | |
190 | t->mode_mask = T_RADIO; | |
586b0cab MCC |
191 | break; |
192 | case TUNER_PHILIPS_FMD1216ME_MK3: | |
193 | buffer[0] = 0x0b; | |
194 | buffer[1] = 0xdc; | |
195 | buffer[2] = 0x9c; | |
196 | buffer[3] = 0x60; | |
f7ce3cc6 | 197 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
198 | mdelay(1); |
199 | buffer[2] = 0x86; | |
200 | buffer[3] = 0x54; | |
f7ce3cc6 | 201 | i2c_master_send(c, buffer, 4); |
586b0cab MCC |
202 | default_tuner_init(c); |
203 | break; | |
793cf9e6 MCC |
204 | case TUNER_LG_TDVS_H062F: |
205 | /* Set the Auxiliary Byte. */ | |
206 | buffer[2] &= ~0x20; | |
207 | buffer[2] |= 0x18; | |
208 | buffer[3] = 0x20; | |
209 | i2c_master_send(c, buffer, 4); | |
210 | default_tuner_init(c); | |
211 | break; | |
93df3413 HH |
212 | case TUNER_PHILIPS_TD1316: |
213 | buffer[0] = 0x0b; | |
214 | buffer[1] = 0xdc; | |
215 | buffer[2] = 0x86; | |
216 | buffer[3] = 0xa4; | |
217 | i2c_master_send(c,buffer,4); | |
218 | default_tuner_init(c); | |
1da177e4 LT |
219 | default: |
220 | default_tuner_init(c); | |
221 | break; | |
222 | } | |
f7ce3cc6 MCC |
223 | |
224 | if (t->mode_mask == T_UNINITIALIZED) | |
225 | t->mode_mask = new_mode_mask; | |
226 | ||
27487d44 | 227 | set_freq(c, (V4L2_TUNER_RADIO == t->mode) ? t->radio_freq : t->tv_freq); |
f7ce3cc6 | 228 | tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n", |
604f28e2 | 229 | c->adapter->name, c->driver->driver.name, c->addr << 1, type, |
f7ce3cc6 | 230 | t->mode_mask); |
1da177e4 LT |
231 | } |
232 | ||
f7ce3cc6 MCC |
233 | /* |
234 | * This function apply tuner config to tuner specified | |
235 | * by tun_setup structure. I addr is unset, then admin status | |
236 | * and tun addr status is more precise then current status, | |
237 | * it's applied. Otherwise status and type are applied only to | |
238 | * tuner with exactly the same addr. | |
239 | */ | |
240 | ||
241 | static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup) | |
242 | { | |
243 | struct tuner *t = i2c_get_clientdata(c); | |
244 | ||
291d1d73 | 245 | if ( t->type == UNSET && ((tun_setup->addr == ADDR_UNSET && |
793cf9e6 | 246 | (t->mode_mask & tun_setup->mode_mask)) || |
291d1d73 | 247 | tun_setup->addr == c->addr)) { |
f7ce3cc6 | 248 | set_type(c, tun_setup->type, tun_setup->mode_mask); |
f7ce3cc6 MCC |
249 | } |
250 | } | |
56fc08ca | 251 | |
f7ce3cc6 | 252 | static inline int check_mode(struct tuner *t, char *cmd) |
56fc08ca | 253 | { |
793cf9e6 MCC |
254 | if ((1 << t->mode & t->mode_mask) == 0) { |
255 | return EINVAL; | |
256 | } | |
257 | ||
258 | switch (t->mode) { | |
259 | case V4L2_TUNER_RADIO: | |
260 | tuner_dbg("Cmd %s accepted for radio\n", cmd); | |
261 | break; | |
262 | case V4L2_TUNER_ANALOG_TV: | |
263 | tuner_dbg("Cmd %s accepted for analog TV\n", cmd); | |
264 | break; | |
265 | case V4L2_TUNER_DIGITAL_TV: | |
266 | tuner_dbg("Cmd %s accepted for digital TV\n", cmd); | |
267 | break; | |
56fc08ca | 268 | } |
793cf9e6 | 269 | return 0; |
56fc08ca | 270 | } |
56fc08ca | 271 | |
f7ce3cc6 | 272 | /* get more precise norm info from insmod option */ |
1da177e4 LT |
273 | static int tuner_fixup_std(struct tuner *t) |
274 | { | |
275 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { | |
1da177e4 LT |
276 | switch (pal[0]) { |
277 | case 'b': | |
278 | case 'B': | |
279 | case 'g': | |
280 | case 'G': | |
f7ce3cc6 | 281 | tuner_dbg ("insmod fixup: PAL => PAL-BG\n"); |
1da177e4 LT |
282 | t->std = V4L2_STD_PAL_BG; |
283 | break; | |
284 | case 'i': | |
285 | case 'I': | |
f7ce3cc6 | 286 | tuner_dbg ("insmod fixup: PAL => PAL-I\n"); |
1da177e4 LT |
287 | t->std = V4L2_STD_PAL_I; |
288 | break; | |
289 | case 'd': | |
290 | case 'D': | |
291 | case 'k': | |
292 | case 'K': | |
f7ce3cc6 | 293 | tuner_dbg ("insmod fixup: PAL => PAL-DK\n"); |
1da177e4 LT |
294 | t->std = V4L2_STD_PAL_DK; |
295 | break; | |
f7ce3cc6 MCC |
296 | case 'M': |
297 | case 'm': | |
298 | tuner_dbg ("insmod fixup: PAL => PAL-M\n"); | |
299 | t->std = V4L2_STD_PAL_M; | |
300 | break; | |
301 | case 'N': | |
302 | case 'n': | |
7e578191 MCC |
303 | if (pal[1] == 'c' || pal[1] == 'C') { |
304 | tuner_dbg("insmod fixup: PAL => PAL-Nc\n"); | |
305 | t->std = V4L2_STD_PAL_Nc; | |
306 | } else { | |
307 | tuner_dbg ("insmod fixup: PAL => PAL-N\n"); | |
308 | t->std = V4L2_STD_PAL_N; | |
309 | } | |
f7ce3cc6 | 310 | break; |
21d4df37 MCC |
311 | case '-': |
312 | /* default parameter, do nothing */ | |
313 | break; | |
314 | default: | |
315 | tuner_warn ("pal= argument not recognised\n"); | |
316 | break; | |
1da177e4 LT |
317 | } |
318 | } | |
f7ce3cc6 MCC |
319 | if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) { |
320 | switch (secam[0]) { | |
7e578191 MCC |
321 | case 'b': |
322 | case 'B': | |
323 | case 'g': | |
324 | case 'G': | |
325 | case 'h': | |
326 | case 'H': | |
327 | tuner_dbg("insmod fixup: SECAM => SECAM-BGH\n"); | |
328 | t->std = V4L2_STD_SECAM_B | V4L2_STD_SECAM_G | V4L2_STD_SECAM_H; | |
329 | break; | |
f7ce3cc6 MCC |
330 | case 'd': |
331 | case 'D': | |
332 | case 'k': | |
333 | case 'K': | |
334 | tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n"); | |
335 | t->std = V4L2_STD_SECAM_DK; | |
336 | break; | |
337 | case 'l': | |
338 | case 'L': | |
800d3c6f MCC |
339 | if ((secam[1]=='C')||(secam[1]=='c')) { |
340 | tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n"); | |
341 | t->std = V4L2_STD_SECAM_LC; | |
342 | } else { | |
343 | tuner_dbg ("insmod fixup: SECAM => SECAM-L\n"); | |
344 | t->std = V4L2_STD_SECAM_L; | |
345 | } | |
f7ce3cc6 | 346 | break; |
21d4df37 MCC |
347 | case '-': |
348 | /* default parameter, do nothing */ | |
349 | break; | |
350 | default: | |
351 | tuner_warn ("secam= argument not recognised\n"); | |
352 | break; | |
f7ce3cc6 MCC |
353 | } |
354 | } | |
355 | ||
7e578191 MCC |
356 | if ((t->std & V4L2_STD_NTSC) == V4L2_STD_NTSC) { |
357 | switch (ntsc[0]) { | |
358 | case 'm': | |
359 | case 'M': | |
360 | tuner_dbg("insmod fixup: NTSC => NTSC-M\n"); | |
361 | t->std = V4L2_STD_NTSC_M; | |
362 | break; | |
363 | case 'j': | |
364 | case 'J': | |
365 | tuner_dbg("insmod fixup: NTSC => NTSC_M_JP\n"); | |
366 | t->std = V4L2_STD_NTSC_M_JP; | |
367 | break; | |
368 | case '-': | |
369 | /* default parameter, do nothing */ | |
370 | break; | |
371 | default: | |
372 | tuner_info("ntsc= argument not recognised\n"); | |
373 | break; | |
374 | } | |
375 | } | |
1da177e4 LT |
376 | return 0; |
377 | } | |
378 | ||
7e578191 MCC |
379 | static void tuner_status(struct i2c_client *client) |
380 | { | |
381 | struct tuner *t = i2c_get_clientdata(client); | |
382 | unsigned long freq, freq_fraction; | |
383 | const char *p; | |
384 | ||
385 | switch (t->mode) { | |
386 | case V4L2_TUNER_RADIO: p = "radio"; break; | |
387 | case V4L2_TUNER_ANALOG_TV: p = "analog TV"; break; | |
388 | case V4L2_TUNER_DIGITAL_TV: p = "digital TV"; break; | |
389 | default: p = "undefined"; break; | |
390 | } | |
391 | if (t->mode == V4L2_TUNER_RADIO) { | |
27487d44 HV |
392 | freq = t->radio_freq / 16000; |
393 | freq_fraction = (t->radio_freq % 16000) * 100 / 16000; | |
7e578191 | 394 | } else { |
27487d44 HV |
395 | freq = t->tv_freq / 16; |
396 | freq_fraction = (t->tv_freq % 16) * 100 / 16; | |
7e578191 MCC |
397 | } |
398 | tuner_info("Tuner mode: %s\n", p); | |
399 | tuner_info("Frequency: %lu.%02lu MHz\n", freq, freq_fraction); | |
400 | tuner_info("Standard: 0x%08llx\n", t->std); | |
8a4b275f HV |
401 | if (t->mode != V4L2_TUNER_RADIO) |
402 | return; | |
403 | if (t->has_signal) { | |
404 | tuner_info("Signal strength: %d\n", t->has_signal(client)); | |
405 | } | |
406 | if (t->is_stereo) { | |
407 | tuner_info("Stereo: %s\n", t->is_stereo(client) ? "yes" : "no"); | |
7e578191 MCC |
408 | } |
409 | } | |
8a4b275f | 410 | |
1da177e4 LT |
411 | /* ---------------------------------------------------------------------- */ |
412 | ||
f7ce3cc6 MCC |
413 | /* static var Used only in tuner_attach and tuner_probe */ |
414 | static unsigned default_mode_mask; | |
415 | ||
416 | /* During client attach, set_type is called by adapter's attach_inform callback. | |
417 | set_type must then be completed by tuner_attach. | |
418 | */ | |
1da177e4 LT |
419 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
420 | { | |
421 | struct tuner *t; | |
422 | ||
f7ce3cc6 MCC |
423 | client_template.adapter = adap; |
424 | client_template.addr = addr; | |
1da177e4 | 425 | |
7408187d | 426 | t = kzalloc(sizeof(struct tuner), GFP_KERNEL); |
f7ce3cc6 MCC |
427 | if (NULL == t) |
428 | return -ENOMEM; | |
f7ce3cc6 | 429 | memcpy(&t->i2c, &client_template, sizeof(struct i2c_client)); |
1da177e4 | 430 | i2c_set_clientdata(&t->i2c, t); |
f7ce3cc6 MCC |
431 | t->type = UNSET; |
432 | t->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */ | |
433 | t->audmode = V4L2_TUNER_MODE_STEREO; | |
434 | t->mode_mask = T_UNINITIALIZED; | |
f9195ded HV |
435 | if (tuner_debug_old) { |
436 | tuner_debug = tuner_debug_old; | |
fac9e899 HV |
437 | printk(KERN_ERR "tuner: tuner_debug is deprecated and will be removed in 2.6.17.\n"); |
438 | printk(KERN_ERR "tuner: use the debug option instead.\n"); | |
439 | } | |
f7ce3cc6 | 440 | |
fd3113e8 MCC |
441 | if (show_i2c) { |
442 | unsigned char buffer[16]; | |
443 | int i,rc; | |
444 | ||
445 | memset(buffer, 0, sizeof(buffer)); | |
446 | rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer)); | |
67678360 | 447 | tuner_info("I2C RECV = "); |
fd3113e8 MCC |
448 | for (i=0;i<rc;i++) |
449 | printk("%02x ",buffer[i]); | |
450 | printk("\n"); | |
451 | } | |
f7ce3cc6 | 452 | /* TEA5767 autodetection code - only for addr = 0xc0 */ |
c5287ba1 | 453 | if (!no_autodetect) { |
13dd38d0 | 454 | switch (addr) { |
13dd38d0 MCC |
455 | case 0x42: |
456 | case 0x43: | |
457 | case 0x4a: | |
95736034 | 458 | case 0x4b: |
67678360 MCC |
459 | /* If chip is not tda8290, don't register. |
460 | since it can be tda9887*/ | |
95736034 | 461 | if (tda8290_probe(&t->i2c) != 0) { |
b228ede4 | 462 | tuner_dbg("chip at addr %x is not a tda8290\n", addr); |
13dd38d0 MCC |
463 | kfree(t); |
464 | return 0; | |
465 | } | |
07345f5d HH |
466 | break; |
467 | case 0x60: | |
468 | if (tea5767_autodetection(&t->i2c) != EINVAL) { | |
469 | t->type = TUNER_TEA5767; | |
470 | t->mode_mask = T_RADIO; | |
471 | t->mode = T_STANDBY; | |
27487d44 | 472 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ |
07345f5d | 473 | default_mode_mask &= ~T_RADIO; |
13dd38d0 | 474 | |
07345f5d HH |
475 | goto register_client; |
476 | } | |
477 | break; | |
f7ce3cc6 MCC |
478 | } |
479 | } | |
1da177e4 | 480 | |
f7ce3cc6 MCC |
481 | /* Initializes only the first adapter found */ |
482 | if (default_mode_mask != T_UNINITIALIZED) { | |
483 | tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask); | |
484 | t->mode_mask = default_mode_mask; | |
27487d44 HV |
485 | t->tv_freq = 400 * 16; /* Sets freq to VHF High */ |
486 | t->radio_freq = 87.5 * 16000; /* Sets freq to FM range */ | |
f7ce3cc6 MCC |
487 | default_mode_mask = T_UNINITIALIZED; |
488 | } | |
56fc08ca | 489 | |
f7ce3cc6 | 490 | /* Should be just before return */ |
67678360 MCC |
491 | register_client: |
492 | tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name); | |
f7ce3cc6 MCC |
493 | i2c_attach_client (&t->i2c); |
494 | set_type (&t->i2c,t->type, t->mode_mask); | |
1da177e4 LT |
495 | return 0; |
496 | } | |
497 | ||
498 | static int tuner_probe(struct i2c_adapter *adap) | |
499 | { | |
500 | if (0 != addr) { | |
f5bec396 MCC |
501 | normal_i2c[0] = addr; |
502 | normal_i2c[1] = I2C_CLIENT_END; | |
1da177e4 | 503 | } |
1da177e4 | 504 | |
f7ce3cc6 | 505 | default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV; |
391cd727 | 506 | |
1da177e4 LT |
507 | if (adap->class & I2C_CLASS_TV_ANALOG) |
508 | return i2c_probe(adap, &addr_data, tuner_attach); | |
509 | return 0; | |
510 | } | |
511 | ||
512 | static int tuner_detach(struct i2c_client *client) | |
513 | { | |
514 | struct tuner *t = i2c_get_clientdata(client); | |
391cd727 MCC |
515 | int err; |
516 | ||
f7ce3cc6 | 517 | err = i2c_detach_client(&t->i2c); |
391cd727 | 518 | if (err) { |
f7ce3cc6 MCC |
519 | tuner_warn |
520 | ("Client deregistration failed, client not detached.\n"); | |
391cd727 MCC |
521 | return err; |
522 | } | |
1da177e4 | 523 | |
1da177e4 LT |
524 | kfree(t); |
525 | return 0; | |
526 | } | |
527 | ||
f7ce3cc6 MCC |
528 | /* |
529 | * Switch tuner to other mode. If tuner support both tv and radio, | |
530 | * set another frequency to some value (This is needed for some pal | |
531 | * tuners to avoid locking). Otherwise, just put second tuner in | |
532 | * standby mode. | |
533 | */ | |
534 | ||
535 | static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd) | |
536 | { | |
4ac97914 MCC |
537 | if (mode == t->mode) |
538 | return 0; | |
539 | ||
540 | t->mode = mode; | |
541 | ||
542 | if (check_mode(t, cmd) == EINVAL) { | |
543 | t->mode = T_STANDBY; | |
544 | if (t->standby) | |
545 | t->standby (client); | |
546 | return EINVAL; | |
547 | } | |
548 | return 0; | |
f7ce3cc6 MCC |
549 | } |
550 | ||
551 | #define switch_v4l2() if (!t->using_v4l2) \ | |
4ac97914 MCC |
552 | tuner_dbg("switching to v4l2\n"); \ |
553 | t->using_v4l2 = 1; | |
f7ce3cc6 MCC |
554 | |
555 | static inline int check_v4l2(struct tuner *t) | |
556 | { | |
557 | if (t->using_v4l2) { | |
558 | tuner_dbg ("ignore v4l1 call\n"); | |
559 | return EINVAL; | |
560 | } | |
561 | return 0; | |
562 | } | |
1da177e4 | 563 | |
f7ce3cc6 | 564 | static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
1da177e4 LT |
565 | { |
566 | struct tuner *t = i2c_get_clientdata(client); | |
1da177e4 | 567 | |
f9195ded | 568 | if (tuner_debug>1) |
5e453dc7 MK |
569 | v4l_i2c_print_ioctl(&(t->i2c),cmd); |
570 | ||
f7ce3cc6 | 571 | switch (cmd) { |
1da177e4 | 572 | /* --- configuration --- */ |
56fc08ca | 573 | case TUNER_SET_TYPE_ADDR: |
f7ce3cc6 MCC |
574 | tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x\n", |
575 | ((struct tuner_setup *)arg)->type, | |
576 | ((struct tuner_setup *)arg)->addr, | |
577 | ((struct tuner_setup *)arg)->mode_mask); | |
578 | ||
579 | set_addr(client, (struct tuner_setup *)arg); | |
391cd727 | 580 | break; |
1da177e4 | 581 | case AUDC_SET_RADIO: |
27487d44 HV |
582 | if (set_mode(client, t, V4L2_TUNER_RADIO, "AUDC_SET_RADIO") |
583 | == EINVAL) | |
584 | return 0; | |
585 | if (t->radio_freq) | |
586 | set_freq(client, t->radio_freq); | |
1da177e4 | 587 | break; |
793cf9e6 | 588 | case TUNER_SET_STANDBY: |
27487d44 HV |
589 | if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL) |
590 | return 0; | |
591 | if (t->standby) | |
592 | t->standby (client); | |
593 | break; | |
fd3113e8 MCC |
594 | case VIDIOCSAUDIO: |
595 | if (check_mode(t, "VIDIOCSAUDIO") == EINVAL) | |
596 | return 0; | |
597 | if (check_v4l2(t) == EINVAL) | |
598 | return 0; | |
599 | ||
600 | /* Should be implemented, since bttv calls it */ | |
601 | tuner_dbg("VIDIOCSAUDIO not implemented.\n"); | |
f7ce3cc6 | 602 | break; |
1da177e4 LT |
603 | /* --- v4l ioctls --- */ |
604 | /* take care: bttv does userspace copying, we'll get a | |
605 | kernel pointer here... */ | |
606 | case VIDIOCSCHAN: | |
f7ce3cc6 MCC |
607 | { |
608 | static const v4l2_std_id map[] = { | |
609 | [VIDEO_MODE_PAL] = V4L2_STD_PAL, | |
610 | [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M, | |
611 | [VIDEO_MODE_SECAM] = V4L2_STD_SECAM, | |
612 | [4 /* bttv */ ] = V4L2_STD_PAL_M, | |
613 | [5 /* bttv */ ] = V4L2_STD_PAL_N, | |
614 | [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, | |
615 | }; | |
616 | struct video_channel *vc = arg; | |
617 | ||
618 | if (check_v4l2(t) == EINVAL) | |
619 | return 0; | |
620 | ||
621 | if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL) | |
622 | return 0; | |
623 | ||
624 | if (vc->norm < ARRAY_SIZE(map)) | |
625 | t->std = map[vc->norm]; | |
626 | tuner_fixup_std(t); | |
27487d44 HV |
627 | if (t->tv_freq) |
628 | set_tv_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
629 | return 0; |
630 | } | |
1da177e4 | 631 | case VIDIOCSFREQ: |
f7ce3cc6 MCC |
632 | { |
633 | unsigned long *v = arg; | |
1da177e4 | 634 | |
f7ce3cc6 MCC |
635 | if (check_mode(t, "VIDIOCSFREQ") == EINVAL) |
636 | return 0; | |
637 | if (check_v4l2(t) == EINVAL) | |
638 | return 0; | |
639 | ||
640 | set_freq(client, *v); | |
641 | return 0; | |
642 | } | |
1da177e4 | 643 | case VIDIOCGTUNER: |
f7ce3cc6 MCC |
644 | { |
645 | struct video_tuner *vt = arg; | |
646 | ||
647 | if (check_mode(t, "VIDIOCGTUNER") == EINVAL) | |
648 | return 0; | |
649 | if (check_v4l2(t) == EINVAL) | |
650 | return 0; | |
651 | ||
652 | if (V4L2_TUNER_RADIO == t->mode) { | |
653 | if (t->has_signal) | |
654 | vt->signal = t->has_signal(client); | |
655 | if (t->is_stereo) { | |
656 | if (t->is_stereo(client)) | |
657 | vt->flags |= | |
658 | VIDEO_TUNER_STEREO_ON; | |
659 | else | |
660 | vt->flags &= | |
661 | ~VIDEO_TUNER_STEREO_ON; | |
662 | } | |
663 | vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */ | |
586b0cab | 664 | |
f7ce3cc6 MCC |
665 | vt->rangelow = radio_range[0] * 16000; |
666 | vt->rangehigh = radio_range[1] * 16000; | |
586b0cab | 667 | |
f7ce3cc6 MCC |
668 | } else { |
669 | vt->rangelow = tv_range[0] * 16; | |
670 | vt->rangehigh = tv_range[1] * 16; | |
671 | } | |
56fc08ca | 672 | |
f7ce3cc6 MCC |
673 | return 0; |
674 | } | |
1da177e4 | 675 | case VIDIOCGAUDIO: |
f7ce3cc6 MCC |
676 | { |
677 | struct video_audio *va = arg; | |
678 | ||
679 | if (check_mode(t, "VIDIOCGAUDIO") == EINVAL) | |
680 | return 0; | |
681 | if (check_v4l2(t) == EINVAL) | |
682 | return 0; | |
683 | ||
684 | if (V4L2_TUNER_RADIO == t->mode && t->is_stereo) | |
685 | va->mode = t->is_stereo(client) | |
686 | ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO; | |
687 | return 0; | |
688 | } | |
1da177e4 LT |
689 | |
690 | case VIDIOC_S_STD: | |
f7ce3cc6 MCC |
691 | { |
692 | v4l2_std_id *id = arg; | |
1da177e4 | 693 | |
f7ce3cc6 MCC |
694 | if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD") |
695 | == EINVAL) | |
696 | return 0; | |
56fc08ca | 697 | |
f7ce3cc6 MCC |
698 | switch_v4l2(); |
699 | ||
700 | t->std = *id; | |
701 | tuner_fixup_std(t); | |
27487d44 HV |
702 | if (t->tv_freq) |
703 | set_freq(client, t->tv_freq); | |
f7ce3cc6 MCC |
704 | break; |
705 | } | |
1da177e4 | 706 | case VIDIOC_S_FREQUENCY: |
f7ce3cc6 MCC |
707 | { |
708 | struct v4l2_frequency *f = arg; | |
709 | ||
f7ce3cc6 MCC |
710 | switch_v4l2(); |
711 | if (V4L2_TUNER_RADIO == f->type && | |
712 | V4L2_TUNER_RADIO != t->mode) { | |
4ac97914 | 713 | if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY") |
f7ce3cc6 MCC |
714 | == EINVAL) |
715 | return 0; | |
716 | } | |
27487d44 | 717 | set_freq(client,f->frequency); |
c184ca36 | 718 | |
f7ce3cc6 MCC |
719 | break; |
720 | } | |
721 | case VIDIOC_G_FREQUENCY: | |
722 | { | |
723 | struct v4l2_frequency *f = arg; | |
724 | ||
725 | if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL) | |
726 | return 0; | |
727 | switch_v4l2(); | |
728 | f->type = t->mode; | |
27487d44 HV |
729 | f->frequency = (V4L2_TUNER_RADIO == t->mode) ? |
730 | t->radio_freq : t->tv_freq; | |
f7ce3cc6 MCC |
731 | break; |
732 | } | |
1da177e4 | 733 | case VIDIOC_G_TUNER: |
f7ce3cc6 MCC |
734 | { |
735 | struct v4l2_tuner *tuner = arg; | |
736 | ||
737 | if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL) | |
738 | return 0; | |
739 | switch_v4l2(); | |
740 | ||
8a4b275f HV |
741 | tuner->type = t->mode; |
742 | if (t->mode != V4L2_TUNER_RADIO) { | |
f7ce3cc6 MCC |
743 | tuner->rangelow = tv_range[0] * 16; |
744 | tuner->rangehigh = tv_range[1] * 16; | |
8a4b275f HV |
745 | break; |
746 | } | |
747 | ||
748 | /* radio mode */ | |
749 | if (t->has_signal) | |
750 | tuner->signal = t->has_signal(client); | |
751 | ||
752 | tuner->rxsubchans = | |
753 | V4L2_TUNER_SUB_MONO | V4L2_TUNER_SUB_STEREO; | |
754 | if (t->is_stereo) { | |
755 | tuner->rxsubchans = t->is_stereo(client) ? | |
756 | V4L2_TUNER_SUB_STEREO : V4L2_TUNER_SUB_MONO; | |
56fc08ca | 757 | } |
8a4b275f HV |
758 | |
759 | tuner->capability |= | |
760 | V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO; | |
761 | tuner->audmode = t->audmode; | |
762 | tuner->rangelow = radio_range[0] * 16000; | |
763 | tuner->rangehigh = radio_range[1] * 16000; | |
f7ce3cc6 MCC |
764 | break; |
765 | } | |
766 | case VIDIOC_S_TUNER: | |
767 | { | |
768 | struct v4l2_tuner *tuner = arg; | |
769 | ||
770 | if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL) | |
771 | return 0; | |
772 | ||
773 | switch_v4l2(); | |
774 | ||
8a4b275f HV |
775 | /* do nothing unless we're a radio tuner */ |
776 | if (t->mode != V4L2_TUNER_RADIO) | |
777 | break; | |
778 | t->audmode = tuner->audmode; | |
779 | set_radio_freq(client, t->radio_freq); | |
f7ce3cc6 | 780 | break; |
56fc08ca | 781 | } |
cd43c3f6 HV |
782 | case VIDIOC_LOG_STATUS: |
783 | tuner_status(client); | |
784 | break; | |
1da177e4 LT |
785 | } |
786 | ||
787 | return 0; | |
788 | } | |
789 | ||
9480e307 | 790 | static int tuner_suspend(struct device *dev, pm_message_t state) |
1da177e4 | 791 | { |
f7ce3cc6 MCC |
792 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
793 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 794 | |
f7ce3cc6 | 795 | tuner_dbg ("suspend\n"); |
1da177e4 LT |
796 | /* FIXME: power down ??? */ |
797 | return 0; | |
798 | } | |
799 | ||
9480e307 | 800 | static int tuner_resume(struct device *dev) |
1da177e4 | 801 | { |
f7ce3cc6 MCC |
802 | struct i2c_client *c = container_of (dev, struct i2c_client, dev); |
803 | struct tuner *t = i2c_get_clientdata (c); | |
1da177e4 | 804 | |
f7ce3cc6 | 805 | tuner_dbg ("resume\n"); |
27487d44 HV |
806 | if (V4L2_TUNER_RADIO == t->mode) { |
807 | if (t->radio_freq) | |
808 | set_freq(c, t->radio_freq); | |
809 | } else { | |
810 | if (t->tv_freq) | |
811 | set_freq(c, t->tv_freq); | |
812 | } | |
1da177e4 LT |
813 | return 0; |
814 | } | |
815 | ||
816 | /* ----------------------------------------------------------------------- */ | |
817 | ||
818 | static struct i2c_driver driver = { | |
f7ce3cc6 | 819 | .id = I2C_DRIVERID_TUNER, |
f7ce3cc6 MCC |
820 | .attach_adapter = tuner_probe, |
821 | .detach_client = tuner_detach, | |
822 | .command = tuner_command, | |
1da177e4 | 823 | .driver = { |
cab462f7 MCC |
824 | .name = "tuner", |
825 | .suspend = tuner_suspend, | |
826 | .resume = tuner_resume, | |
827 | }, | |
1da177e4 | 828 | }; |
f7ce3cc6 | 829 | static struct i2c_client client_template = { |
fae91e72 | 830 | .name = "(tuner unset)", |
f7ce3cc6 | 831 | .driver = &driver, |
1da177e4 LT |
832 | }; |
833 | ||
834 | static int __init tuner_init_module(void) | |
835 | { | |
836 | return i2c_add_driver(&driver); | |
837 | } | |
838 | ||
839 | static void __exit tuner_cleanup_module(void) | |
840 | { | |
841 | i2c_del_driver(&driver); | |
842 | } | |
843 | ||
844 | module_init(tuner_init_module); | |
845 | module_exit(tuner_cleanup_module); | |
846 | ||
847 | /* | |
848 | * Overrides for Emacs so that we follow Linus's tabbing style. | |
849 | * --------------------------------------------------------------------------- | |
850 | * Local variables: | |
851 | * c-basic-offset: 8 | |
852 | * End: | |
853 | */ |