blob: e8c854948de96d9c7f7268b74527902ed30a47a6 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07002 *
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>
23#include <media/audiochip.h>
24
Mauro Carvalho Chehabfd3113e2005-07-31 22:34:43 -070025#include "msp3400.h"
26
Linus Torvalds1da177e2005-04-16 15:20:36 -070027#define UNSET (-1U)
28
29/* standard i2c insmod options */
30static unsigned short normal_i2c[] = {
Hartmut Hackmannde48eeb2005-11-08 21:37:48 -080031 0x42, 0x43, 0x4a, 0x4b, /* tda8290 */
Mauro Carvalho Chehabf5bec392005-06-23 22:05:13 -070032 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
33 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
Linus Torvalds1da177e2005-04-16 15:20:36 -070034 I2C_CLIENT_END
35};
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070036
Linus Torvalds1da177e2005-04-16 15:20:36 -070037I2C_CLIENT_INSMOD;
38
39/* insmod options used at init time => read/only */
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070040static unsigned int addr = 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -070041module_param(addr, int, 0444);
42
Mauro Carvalho Chehabc5287ba2005-07-15 03:56:28 -070043static unsigned int no_autodetect = 0;
44module_param(no_autodetect, int, 0444);
45
Mauro Carvalho Chehabfd3113e2005-07-31 22:34:43 -070046static unsigned int show_i2c = 0;
47module_param(show_i2c, int, 0444);
48
Linus Torvalds1da177e2005-04-16 15:20:36 -070049/* insmod options used at runtime => read/write */
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070050unsigned int tuner_debug = 0;
51module_param(tuner_debug, int, 0644);
Linus Torvalds1da177e2005-04-16 15:20:36 -070052
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070053static unsigned int tv_range[2] = { 44, 958 };
Linus Torvalds1da177e2005-04-16 15:20:36 -070054static unsigned int radio_range[2] = { 65, 108 };
55
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070056module_param_array(tv_range, int, NULL, 0644);
Linus Torvalds1da177e2005-04-16 15:20:36 -070057module_param_array(radio_range, int, NULL, 0644);
58
59MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners");
60MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer");
61MODULE_LICENSE("GPL");
62
Linus Torvalds1da177e2005-04-16 15:20:36 -070063static struct i2c_driver driver;
64static struct i2c_client client_template;
65
66/* ---------------------------------------------------------------------- */
67
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -070068/* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */
Linus Torvalds1da177e2005-04-16 15:20:36 -070069static void set_tv_freq(struct i2c_client *c, unsigned int freq)
70{
71 struct tuner *t = i2c_get_clientdata(c);
72
73 if (t->type == UNSET) {
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070074 tuner_warn ("tuner type not set\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070075 return;
76 }
77 if (NULL == t->tv_freq) {
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070078 tuner_warn ("Tuner has no way to set tv freq\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070079 return;
80 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070081 if (freq < tv_range[0] * 16 || freq > tv_range[1] * 16) {
82 tuner_dbg ("TV freq (%d.%02d) out of range (%d-%d)\n",
83 freq / 16, freq % 16 * 100 / 16, tv_range[0],
84 tv_range[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -070085 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070086 t->tv_freq(c, freq);
Linus Torvalds1da177e2005-04-16 15:20:36 -070087}
88
89static void set_radio_freq(struct i2c_client *c, unsigned int freq)
90{
91 struct tuner *t = i2c_get_clientdata(c);
92
93 if (t->type == UNSET) {
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070094 tuner_warn ("tuner type not set\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070095 return;
96 }
97 if (NULL == t->radio_freq) {
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -070098 tuner_warn ("tuner has no way to set radio frequency\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -070099 return;
100 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700101 if (freq <= radio_range[0] * 16000 || freq >= radio_range[1] * 16000) {
102 tuner_dbg ("radio freq (%d.%02d) out of range (%d-%d)\n",
103 freq / 16000, freq % 16000 * 100 / 16000,
104 radio_range[0], radio_range[1]);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700105 }
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700106
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700107 t->radio_freq(c, freq);
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700108 return;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700109}
110
111static void set_freq(struct i2c_client *c, unsigned long freq)
112{
113 struct tuner *t = i2c_get_clientdata(c);
114
115 switch (t->mode) {
116 case V4L2_TUNER_RADIO:
117 tuner_dbg("radio freq set to %lu.%02lu\n",
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700118 freq / 16000, freq % 16000 * 100 / 16000);
119 set_radio_freq(c, freq);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120 break;
121 case V4L2_TUNER_ANALOG_TV:
122 case V4L2_TUNER_DIGITAL_TV:
123 tuner_dbg("tv freq set to %lu.%02lu\n",
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700124 freq / 16, freq % 16 * 100 / 16);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700125 set_tv_freq(c, freq);
126 break;
127 }
128 t->freq = freq;
129}
130
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700131static void set_type(struct i2c_client *c, unsigned int type,
132 unsigned int new_mode_mask)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700133{
134 struct tuner *t = i2c_get_clientdata(c);
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700135 unsigned char buffer[4];
Linus Torvalds1da177e2005-04-16 15:20:36 -0700136
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700137 if (type == UNSET || type == TUNER_ABSENT) {
138 tuner_dbg ("tuner 0x%02x: Tuner type absent\n",c->addr);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139 return;
140 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700141
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700142 if (type >= tuner_count) {
143 tuner_warn ("tuner 0x%02x: Tuner count greater than %d\n",c->addr,tuner_count);
144 return;
145 }
146
147 /* This code detects calls by card attach_inform */
148 if (NULL == t->i2c.dev.driver) {
149 tuner_dbg ("tuner 0x%02x: called during i2c_client register by adapter's attach_inform\n", c->addr);
150
151 t->type=type;
152 return;
153 }
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700154
Linus Torvalds1da177e2005-04-16 15:20:36 -0700155 t->type = type;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700156
Linus Torvalds1da177e2005-04-16 15:20:36 -0700157 switch (t->type) {
158 case TUNER_MT2032:
159 microtune_init(c);
160 break;
161 case TUNER_PHILIPS_TDA8290:
162 tda8290_init(c);
163 break;
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700164 case TUNER_TEA5767:
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700165 if (tea5767_tuner_init(c) == EINVAL) {
166 t->type = TUNER_ABSENT;
167 t->mode_mask = T_UNINITIALIZED;
168 return;
169 }
170 t->mode_mask = T_RADIO;
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700171 break;
172 case TUNER_PHILIPS_FMD1216ME_MK3:
173 buffer[0] = 0x0b;
174 buffer[1] = 0xdc;
175 buffer[2] = 0x9c;
176 buffer[3] = 0x60;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700177 i2c_master_send(c, buffer, 4);
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700178 mdelay(1);
179 buffer[2] = 0x86;
180 buffer[3] = 0x54;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700181 i2c_master_send(c, buffer, 4);
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700182 default_tuner_init(c);
183 break;
Mauro Carvalho Chehab793cf9e2005-09-09 13:03:37 -0700184 case TUNER_LG_TDVS_H062F:
185 /* Set the Auxiliary Byte. */
186 buffer[2] &= ~0x20;
187 buffer[2] |= 0x18;
188 buffer[3] = 0x20;
189 i2c_master_send(c, buffer, 4);
190 default_tuner_init(c);
191 break;
Hartmut Hackmann93df3412005-11-08 21:36:31 -0800192 case TUNER_PHILIPS_TD1316:
193 buffer[0] = 0x0b;
194 buffer[1] = 0xdc;
195 buffer[2] = 0x86;
196 buffer[3] = 0xa4;
197 i2c_master_send(c,buffer,4);
198 default_tuner_init(c);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199 default:
200 default_tuner_init(c);
201 break;
202 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700203
204 if (t->mode_mask == T_UNINITIALIZED)
205 t->mode_mask = new_mode_mask;
206
207 set_freq(c, t->freq);
208 tuner_dbg("%s %s I2C addr 0x%02x with type %d used for 0x%02x\n",
Laurent Riffard604f28e2005-11-26 20:43:39 +0100209 c->adapter->name, c->driver->driver.name, c->addr << 1, type,
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700210 t->mode_mask);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700211}
212
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700213/*
214 * This function apply tuner config to tuner specified
215 * by tun_setup structure. I addr is unset, then admin status
216 * and tun addr status is more precise then current status,
217 * it's applied. Otherwise status and type are applied only to
218 * tuner with exactly the same addr.
219*/
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700220
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700221static void set_addr(struct i2c_client *c, struct tuner_setup *tun_setup)
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700222{
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700223 struct tuner *t = i2c_get_clientdata(c);
224
Ricardo Cerqueira291d1d72005-11-08 21:38:33 -0800225 if ( t->type == UNSET && ((tun_setup->addr == ADDR_UNSET &&
Mauro Carvalho Chehab793cf9e2005-09-09 13:03:37 -0700226 (t->mode_mask & tun_setup->mode_mask)) ||
Ricardo Cerqueira291d1d72005-11-08 21:38:33 -0800227 tun_setup->addr == c->addr)) {
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700228 set_type(c, tun_setup->type, tun_setup->mode_mask);
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700229 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700230}
231
232static inline int check_mode(struct tuner *t, char *cmd)
233{
Mauro Carvalho Chehab793cf9e2005-09-09 13:03:37 -0700234 if ((1 << t->mode & t->mode_mask) == 0) {
235 return EINVAL;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700236 }
Mauro Carvalho Chehab793cf9e2005-09-09 13:03:37 -0700237
238 switch (t->mode) {
239 case V4L2_TUNER_RADIO:
240 tuner_dbg("Cmd %s accepted for radio\n", cmd);
241 break;
242 case V4L2_TUNER_ANALOG_TV:
243 tuner_dbg("Cmd %s accepted for analog TV\n", cmd);
244 break;
245 case V4L2_TUNER_DIGITAL_TV:
246 tuner_dbg("Cmd %s accepted for digital TV\n", cmd);
247 break;
248 }
249 return 0;
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700250}
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700251
Linus Torvalds1da177e2005-04-16 15:20:36 -0700252static char pal[] = "-";
Bert Wesarg975e0462005-04-16 15:25:43 -0700253module_param_string(pal, pal, sizeof(pal), 0644);
Mauro Carvalho Chehab800d3c62005-11-13 16:07:48 -0800254static char secam[] = "--";
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700255module_param_string(secam, secam, sizeof(secam), 0644);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700256
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700257/* get more precise norm info from insmod option */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700258static int tuner_fixup_std(struct tuner *t)
259{
260 if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700261 switch (pal[0]) {
262 case 'b':
263 case 'B':
264 case 'g':
265 case 'G':
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700266 tuner_dbg ("insmod fixup: PAL => PAL-BG\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267 t->std = V4L2_STD_PAL_BG;
268 break;
269 case 'i':
270 case 'I':
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700271 tuner_dbg ("insmod fixup: PAL => PAL-I\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700272 t->std = V4L2_STD_PAL_I;
273 break;
274 case 'd':
275 case 'D':
276 case 'k':
277 case 'K':
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700278 tuner_dbg ("insmod fixup: PAL => PAL-DK\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700279 t->std = V4L2_STD_PAL_DK;
280 break;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700281 case 'M':
282 case 'm':
283 tuner_dbg ("insmod fixup: PAL => PAL-M\n");
284 t->std = V4L2_STD_PAL_M;
285 break;
286 case 'N':
287 case 'n':
288 tuner_dbg ("insmod fixup: PAL => PAL-N\n");
289 t->std = V4L2_STD_PAL_N;
290 break;
Mauro Carvalho Chehab21d4df32005-09-09 13:03:59 -0700291 case '-':
292 /* default parameter, do nothing */
293 break;
294 default:
295 tuner_warn ("pal= argument not recognised\n");
296 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700297 }
298 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700299 if ((t->std & V4L2_STD_SECAM) == V4L2_STD_SECAM) {
300 switch (secam[0]) {
301 case 'd':
302 case 'D':
303 case 'k':
304 case 'K':
305 tuner_dbg ("insmod fixup: SECAM => SECAM-DK\n");
306 t->std = V4L2_STD_SECAM_DK;
307 break;
308 case 'l':
309 case 'L':
Mauro Carvalho Chehab800d3c62005-11-13 16:07:48 -0800310 if ((secam[1]=='C')||(secam[1]=='c')) {
311 tuner_dbg ("insmod fixup: SECAM => SECAM-L'\n");
312 t->std = V4L2_STD_SECAM_LC;
313 } else {
314 tuner_dbg ("insmod fixup: SECAM => SECAM-L\n");
315 t->std = V4L2_STD_SECAM_L;
316 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700317 break;
Mauro Carvalho Chehab21d4df32005-09-09 13:03:59 -0700318 case '-':
319 /* default parameter, do nothing */
320 break;
321 default:
322 tuner_warn ("secam= argument not recognised\n");
323 break;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700324 }
325 }
326
Linus Torvalds1da177e2005-04-16 15:20:36 -0700327 return 0;
328}
329
330/* ---------------------------------------------------------------------- */
331
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700332/* static var Used only in tuner_attach and tuner_probe */
333static unsigned default_mode_mask;
334
335/* During client attach, set_type is called by adapter's attach_inform callback.
336 set_type must then be completed by tuner_attach.
337 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700338static int tuner_attach(struct i2c_adapter *adap, int addr, int kind)
339{
340 struct tuner *t;
341
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700342 client_template.adapter = adap;
343 client_template.addr = addr;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700344
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700345 t = kmalloc(sizeof(struct tuner), GFP_KERNEL);
346 if (NULL == t)
347 return -ENOMEM;
348 memset(t, 0, sizeof(struct tuner));
349 memcpy(&t->i2c, &client_template, sizeof(struct i2c_client));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700350 i2c_set_clientdata(&t->i2c, t);
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700351 t->type = UNSET;
352 t->radio_if2 = 10700 * 1000; /* 10.7MHz - FM radio */
353 t->audmode = V4L2_TUNER_MODE_STEREO;
354 t->mode_mask = T_UNINITIALIZED;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355
Mauro Carvalho Chehabfd3113e2005-07-31 22:34:43 -0700356 if (show_i2c) {
357 unsigned char buffer[16];
358 int i,rc;
359
360 memset(buffer, 0, sizeof(buffer));
361 rc = i2c_master_recv(&t->i2c, buffer, sizeof(buffer));
Mauro Carvalho Chehab67678362005-11-08 21:38:02 -0800362 tuner_info("I2C RECV = ");
Mauro Carvalho Chehabfd3113e2005-07-31 22:34:43 -0700363 for (i=0;i<rc;i++)
364 printk("%02x ",buffer[i]);
365 printk("\n");
366 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700367 /* TEA5767 autodetection code - only for addr = 0xc0 */
Mauro Carvalho Chehabc5287ba2005-07-15 03:56:28 -0700368 if (!no_autodetect) {
Mauro Carvalho Chehab13dd38d2005-11-08 21:37:57 -0800369 switch (addr) {
Hartmut Hackmann07345f52005-11-08 21:38:09 -0800370 case 0x42:
371 case 0x43:
372 case 0x4a:
373 case 0x4b:
374 /* If chip is not tda8290, don't register.
375 since it can be tda9887*/
376 if (tda8290_probe(&t->i2c) != 0) {
Nickolay V. Shmyrevb228ede2005-11-08 21:38:11 -0800377 tuner_dbg("chip at addr %x is not a tda8290\n", addr);
Hartmut Hackmann07345f52005-11-08 21:38:09 -0800378 kfree(t);
379 return 0;
380 }
381 break;
Mauro Carvalho Chehab13dd38d2005-11-08 21:37:57 -0800382 case 0x60:
Mauro Carvalho Chehabc5287ba2005-07-15 03:56:28 -0700383 if (tea5767_autodetection(&t->i2c) != EINVAL) {
384 t->type = TUNER_TEA5767;
385 t->mode_mask = T_RADIO;
386 t->mode = T_STANDBY;
387 t->freq = 87.5 * 16; /* Sets freq to FM range */
388 default_mode_mask &= ~T_RADIO;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700389
Mauro Carvalho Chehab67678362005-11-08 21:38:02 -0800390 goto register_client;
Mauro Carvalho Chehabc5287ba2005-07-15 03:56:28 -0700391 }
Hartmut Hackmann07345f52005-11-08 21:38:09 -0800392 break;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700393 }
394 }
395
396 /* Initializes only the first adapter found */
397 if (default_mode_mask != T_UNINITIALIZED) {
398 tuner_dbg ("Setting mode_mask to 0x%02x\n", default_mode_mask);
399 t->mode_mask = default_mode_mask;
400 t->freq = 400 * 16; /* Sets freq to VHF High */
401 default_mode_mask = T_UNINITIALIZED;
402 }
403
404 /* Should be just before return */
Mauro Carvalho Chehab67678362005-11-08 21:38:02 -0800405register_client:
406 tuner_info("chip found @ 0x%x (%s)\n", addr << 1, adap->name);
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700407 i2c_attach_client (&t->i2c);
408 set_type (&t->i2c,t->type, t->mode_mask);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700409 return 0;
410}
411
412static int tuner_probe(struct i2c_adapter *adap)
413{
414 if (0 != addr) {
Mauro Carvalho Chehabf5bec392005-06-23 22:05:13 -0700415 normal_i2c[0] = addr;
416 normal_i2c[1] = I2C_CLIENT_END;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700417 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700419 default_mode_mask = T_RADIO | T_ANALOG_TV | T_DIGITAL_TV;
Mauro Carvalho Chehab391cd722005-06-23 22:02:43 -0700420
Linus Torvalds1da177e2005-04-16 15:20:36 -0700421 if (adap->class & I2C_CLASS_TV_ANALOG)
422 return i2c_probe(adap, &addr_data, tuner_attach);
423 return 0;
424}
425
426static int tuner_detach(struct i2c_client *client)
427{
428 struct tuner *t = i2c_get_clientdata(client);
Mauro Carvalho Chehab391cd722005-06-23 22:02:43 -0700429 int err;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700430
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700431 err = i2c_detach_client(&t->i2c);
Mauro Carvalho Chehab391cd722005-06-23 22:02:43 -0700432 if (err) {
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700433 tuner_warn
434 ("Client deregistration failed, client not detached.\n");
Mauro Carvalho Chehab391cd722005-06-23 22:02:43 -0700435 return err;
436 }
437
Linus Torvalds1da177e2005-04-16 15:20:36 -0700438 kfree(t);
439 return 0;
440}
441
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700442/*
443 * Switch tuner to other mode. If tuner support both tv and radio,
444 * set another frequency to some value (This is needed for some pal
445 * tuners to avoid locking). Otherwise, just put second tuner in
446 * standby mode.
447 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700448
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700449static inline int set_mode(struct i2c_client *client, struct tuner *t, int mode, char *cmd)
450{
Mauro Carvalho Chehab4ac97912005-11-08 21:37:43 -0800451 if (mode == t->mode)
452 return 0;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700453
Mauro Carvalho Chehab4ac97912005-11-08 21:37:43 -0800454 t->mode = mode;
Mauro Carvalho Chehab793cf9e2005-09-09 13:03:37 -0700455
Mauro Carvalho Chehab4ac97912005-11-08 21:37:43 -0800456 if (check_mode(t, cmd) == EINVAL) {
457 t->mode = T_STANDBY;
458 if (t->standby)
459 t->standby (client);
460 return EINVAL;
461 }
462 return 0;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700463}
464
465#define switch_v4l2() if (!t->using_v4l2) \
Mauro Carvalho Chehab4ac97912005-11-08 21:37:43 -0800466 tuner_dbg("switching to v4l2\n"); \
467 t->using_v4l2 = 1;
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700468
469static inline int check_v4l2(struct tuner *t)
470{
471 if (t->using_v4l2) {
472 tuner_dbg ("ignore v4l1 call\n");
473 return EINVAL;
474 }
475 return 0;
476}
477
478static int tuner_command(struct i2c_client *client, unsigned int cmd, void *arg)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479{
480 struct tuner *t = i2c_get_clientdata(client);
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700481 unsigned int *iarg = (int *)arg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700482
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700483 switch (cmd) {
Linus Torvalds1da177e2005-04-16 15:20:36 -0700484 /* --- configuration --- */
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700485 case TUNER_SET_TYPE_ADDR:
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700486 tuner_dbg ("Calling set_type_addr for type=%d, addr=0x%02x, mode=0x%02x\n",
487 ((struct tuner_setup *)arg)->type,
488 ((struct tuner_setup *)arg)->addr,
489 ((struct tuner_setup *)arg)->mode_mask);
490
491 set_addr(client, (struct tuner_setup *)arg);
Mauro Carvalho Chehab391cd722005-06-23 22:02:43 -0700492 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493 case AUDC_SET_RADIO:
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700494 set_mode(client,t,V4L2_TUNER_RADIO, "AUDC_SET_RADIO");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700495 break;
Mauro Carvalho Chehab793cf9e2005-09-09 13:03:37 -0700496 case TUNER_SET_STANDBY:
497 {
498 if (check_mode(t, "TUNER_SET_STANDBY") == EINVAL)
499 return 0;
500 if (t->standby)
501 t->standby (client);
502 break;
503 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700504 case AUDC_CONFIG_PINNACLE:
505 switch (*iarg) {
506 case 2:
507 tuner_dbg("pinnacle pal\n");
508 t->radio_if2 = 33300 * 1000;
509 break;
510 case 3:
511 tuner_dbg("pinnacle ntsc\n");
512 t->radio_if2 = 41300 * 1000;
513 break;
514 }
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700515 break;
Mauro Carvalho Chehabfd3113e2005-07-31 22:34:43 -0700516 case VIDIOCSAUDIO:
517 if (check_mode(t, "VIDIOCSAUDIO") == EINVAL)
518 return 0;
519 if (check_v4l2(t) == EINVAL)
520 return 0;
521
522 /* Should be implemented, since bttv calls it */
523 tuner_dbg("VIDIOCSAUDIO not implemented.\n");
524
525 break;
526 case MSP_SET_MATRIX:
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700527 case TDA9887_SET_CONFIG:
528 break;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700529 /* --- v4l ioctls --- */
530 /* take care: bttv does userspace copying, we'll get a
531 kernel pointer here... */
532 case VIDIOCSCHAN:
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700533 {
534 static const v4l2_std_id map[] = {
535 [VIDEO_MODE_PAL] = V4L2_STD_PAL,
536 [VIDEO_MODE_NTSC] = V4L2_STD_NTSC_M,
537 [VIDEO_MODE_SECAM] = V4L2_STD_SECAM,
538 [4 /* bttv */ ] = V4L2_STD_PAL_M,
539 [5 /* bttv */ ] = V4L2_STD_PAL_N,
540 [6 /* bttv */ ] = V4L2_STD_NTSC_M_JP,
541 };
542 struct video_channel *vc = arg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700543
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700544 if (check_v4l2(t) == EINVAL)
545 return 0;
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700546
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700547 if (set_mode(client,t,V4L2_TUNER_ANALOG_TV, "VIDIOCSCHAN")==EINVAL)
548 return 0;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700549
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700550 if (vc->norm < ARRAY_SIZE(map))
551 t->std = map[vc->norm];
552 tuner_fixup_std(t);
553 if (t->freq)
554 set_tv_freq(client, t->freq);
555 return 0;
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700556 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700557 case VIDIOCSFREQ:
558 {
559 unsigned long *v = arg;
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700560
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700561 if (check_mode(t, "VIDIOCSFREQ") == EINVAL)
562 return 0;
563 if (check_v4l2(t) == EINVAL)
564 return 0;
565
566 set_freq(client, *v);
567 return 0;
568 }
569 case VIDIOCGTUNER:
570 {
571 struct video_tuner *vt = arg;
572
573 if (check_mode(t, "VIDIOCGTUNER") == EINVAL)
574 return 0;
575 if (check_v4l2(t) == EINVAL)
576 return 0;
577
578 if (V4L2_TUNER_RADIO == t->mode) {
579 if (t->has_signal)
580 vt->signal = t->has_signal(client);
581 if (t->is_stereo) {
582 if (t->is_stereo(client))
583 vt->flags |=
584 VIDEO_TUNER_STEREO_ON;
585 else
586 vt->flags &=
587 ~VIDEO_TUNER_STEREO_ON;
588 }
589 vt->flags |= VIDEO_TUNER_LOW; /* Allow freqs at 62.5 Hz */
590
591 vt->rangelow = radio_range[0] * 16000;
592 vt->rangehigh = radio_range[1] * 16000;
593
594 } else {
595 vt->rangelow = tv_range[0] * 16;
596 vt->rangehigh = tv_range[1] * 16;
597 }
598
599 return 0;
600 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700601 case VIDIOCGAUDIO:
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700602 {
603 struct video_audio *va = arg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700604
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700605 if (check_mode(t, "VIDIOCGAUDIO") == EINVAL)
606 return 0;
607 if (check_v4l2(t) == EINVAL)
608 return 0;
609
610 if (V4L2_TUNER_RADIO == t->mode && t->is_stereo)
611 va->mode = t->is_stereo(client)
612 ? VIDEO_SOUND_STEREO : VIDEO_SOUND_MONO;
613 return 0;
614 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700615
616 case VIDIOC_S_STD:
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700617 {
618 v4l2_std_id *id = arg;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700619
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700620 if (set_mode (client, t, V4L2_TUNER_ANALOG_TV, "VIDIOC_S_STD")
621 == EINVAL)
622 return 0;
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700623
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700624 switch_v4l2();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700625
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700626 t->std = *id;
627 tuner_fixup_std(t);
628 if (t->freq)
629 set_freq(client, t->freq);
630 break;
Mauro Carvalho Chehab56fc08c2005-06-23 22:05:07 -0700631 }
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700632 case VIDIOC_S_FREQUENCY:
633 {
634 struct v4l2_frequency *f = arg;
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700635
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700636 t->freq = f->frequency;
637 switch_v4l2();
638 if (V4L2_TUNER_RADIO == f->type &&
639 V4L2_TUNER_RADIO != t->mode) {
Mauro Carvalho Chehab4ac97912005-11-08 21:37:43 -0800640 if (set_mode (client, t, f->type, "VIDIOC_S_FREQUENCY")
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700641 == EINVAL)
642 return 0;
643 }
644 set_freq(client,t->freq);
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700645
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700646 break;
647 }
648 case VIDIOC_G_FREQUENCY:
649 {
650 struct v4l2_frequency *f = arg;
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700651
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700652 if (check_mode(t, "VIDIOC_G_FREQUENCY") == EINVAL)
653 return 0;
654 switch_v4l2();
655 f->type = t->mode;
656 f->frequency = t->freq;
657 break;
658 }
659 case VIDIOC_G_TUNER:
660 {
661 struct v4l2_tuner *tuner = arg;
Mauro Carvalho Chehab586b0ca2005-06-28 20:45:21 -0700662
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700663 if (check_mode(t, "VIDIOC_G_TUNER") == EINVAL)
664 return 0;
665 switch_v4l2();
666
667 if (V4L2_TUNER_RADIO == t->mode) {
668
669 if (t->has_signal)
670 tuner->signal = t->has_signal(client);
671
672 if (t->is_stereo) {
673 if (t->is_stereo(client)) {
674 tuner->rxsubchans =
675 V4L2_TUNER_SUB_STEREO |
676 V4L2_TUNER_SUB_MONO;
677 } else {
678 tuner->rxsubchans =
679 V4L2_TUNER_SUB_MONO;
680 }
681 }
682
683 tuner->capability |=
684 V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_STEREO;
685
686 tuner->audmode = t->audmode;
687
688 tuner->rangelow = radio_range[0] * 16000;
689 tuner->rangehigh = radio_range[1] * 16000;
690 } else {
691 tuner->rangelow = tv_range[0] * 16;
692 tuner->rangehigh = tv_range[1] * 16;
693 }
694 break;
695 }
696 case VIDIOC_S_TUNER:
697 {
698 struct v4l2_tuner *tuner = arg;
699
700 if (check_mode(t, "VIDIOC_S_TUNER") == EINVAL)
701 return 0;
702
703 switch_v4l2();
704
705 if (V4L2_TUNER_RADIO == t->mode) {
706 t->audmode = tuner->audmode;
707 set_radio_freq(client, t->freq);
708 }
709 break;
710 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700711 default:
Mauro Carvalho Chehabfd1c3882005-11-08 21:36:34 -0800712 tuner_dbg("Unimplemented IOCTL 0x%08x(dir=%d,tp='%c',nr=%d,sz=%d)\n",
Mauro Carvalho Chehabc5287ba2005-07-15 03:56:28 -0700713 cmd, _IOC_DIR(cmd), _IOC_TYPE(cmd),
714 _IOC_NR(cmd), _IOC_SIZE(cmd));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700715 break;
716 }
717
718 return 0;
719}
720
Russell King9480e302005-10-28 09:52:56 -0700721static int tuner_suspend(struct device *dev, pm_message_t state)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700722{
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700723 struct i2c_client *c = container_of (dev, struct i2c_client, dev);
724 struct tuner *t = i2c_get_clientdata (c);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700725
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700726 tuner_dbg ("suspend\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700727 /* FIXME: power down ??? */
728 return 0;
729}
730
Russell King9480e302005-10-28 09:52:56 -0700731static int tuner_resume(struct device *dev)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700732{
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700733 struct i2c_client *c = container_of (dev, struct i2c_client, dev);
734 struct tuner *t = i2c_get_clientdata (c);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700735
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700736 tuner_dbg ("resume\n");
Linus Torvalds1da177e2005-04-16 15:20:36 -0700737 if (t->freq)
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700738 set_freq(c, t->freq);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700739 return 0;
740}
741
742/* ----------------------------------------------------------------------- */
743
744static struct i2c_driver driver = {
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700745 .id = I2C_DRIVERID_TUNER,
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700746 .attach_adapter = tuner_probe,
747 .detach_client = tuner_detach,
748 .command = tuner_command,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700749 .driver = {
Laurent Riffard604f28e2005-11-26 20:43:39 +0100750 .owner = THIS_MODULE,
751 .name = "tuner",
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700752 .suspend = tuner_suspend,
753 .resume = tuner_resume,
754 },
Linus Torvalds1da177e2005-04-16 15:20:36 -0700755};
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700756static struct i2c_client client_template = {
Jean Delvarefae91e72005-08-15 19:57:04 +0200757 .name = "(tuner unset)",
Mauro Carvalho Chehabf7ce3cc2005-07-12 13:58:55 -0700758 .driver = &driver,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700759};
760
761static int __init tuner_init_module(void)
762{
763 return i2c_add_driver(&driver);
764}
765
766static void __exit tuner_cleanup_module(void)
767{
768 i2c_del_driver(&driver);
769}
770
771module_init(tuner_init_module);
772module_exit(tuner_cleanup_module);
773
774/*
775 * Overrides for Emacs so that we follow Linus's tabbing style.
776 * ---------------------------------------------------------------------------
777 * Local variables:
778 * c-basic-offset: 8
779 * End:
780 */