Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 2 | * $Id: tuner-core.c,v 1.15 2005/06/12 01:36:14 mchehab Exp $ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
| 4 | * i2c tv tuner chip device driver |
| 5 | * core core, i.e. kernel interfaces, registering and so on |
| 6 | */ |
| 7 | |
| 8 | #include <linux/module.h> |
| 9 | #include <linux/moduleparam.h> |
| 10 | #include <linux/kernel.h> |
| 11 | #include <linux/sched.h> |
| 12 | #include <linux/string.h> |
| 13 | #include <linux/timer.h> |
| 14 | #include <linux/delay.h> |
| 15 | #include <linux/errno.h> |
| 16 | #include <linux/slab.h> |
| 17 | #include <linux/poll.h> |
| 18 | #include <linux/i2c.h> |
| 19 | #include <linux/types.h> |
| 20 | #include <linux/videodev.h> |
| 21 | #include <linux/init.h> |
| 22 | |
| 23 | #include <media/tuner.h> |
| 24 | #include <media/audiochip.h> |
| 25 | |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 26 | /* |
| 27 | * comment line bellow to return to old behavor, where only one I2C device is supported |
| 28 | */ |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 29 | #define CONFIG_TUNER_MULTI_I2C /**/ |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 30 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 31 | #define UNSET (-1U) |
| 32 | |
| 33 | /* standard i2c insmod options */ |
| 34 | static unsigned short normal_i2c[] = { |
| 35 | 0x4b, /* tda8290 */ |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 36 | I2C_CLIENT_END |
| 37 | }; |
| 38 | static unsigned short normal_i2c_range[] = { |
| 39 | 0x60, 0x6f, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | I2C_CLIENT_END |
| 41 | }; |
| 42 | I2C_CLIENT_INSMOD; |
| 43 | |
| 44 | /* insmod options used at init time => read/only */ |
| 45 | static unsigned int addr = 0; |
| 46 | module_param(addr, int, 0444); |
| 47 | |
| 48 | /* insmod options used at runtime => read/write */ |
| 49 | unsigned int tuner_debug = 0; |
| 50 | module_param(tuner_debug, int, 0644); |
| 51 | |
| 52 | static unsigned int tv_range[2] = { 44, 958 }; |
| 53 | static unsigned int radio_range[2] = { 65, 108 }; |
| 54 | |
| 55 | module_param_array(tv_range, int, NULL, 0644); |
| 56 | module_param_array(radio_range, int, NULL, 0644); |
| 57 | |
| 58 | MODULE_DESCRIPTION("device driver for various TV and TV+FM radio tuners"); |
| 59 | MODULE_AUTHOR("Ralph Metzler, Gerd Knorr, Gunther Mayer"); |
| 60 | MODULE_LICENSE("GPL"); |
| 61 | |
| 62 | static int this_adap; |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 63 | #ifdef CONFIG_TUNER_MULTI_I2C |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 64 | static unsigned short first_tuner, tv_tuner, radio_tuner; |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 65 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | |
| 67 | static struct i2c_driver driver; |
| 68 | static struct i2c_client client_template; |
| 69 | |
| 70 | /* ---------------------------------------------------------------------- */ |
| 71 | |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 72 | /* Set tuner frequency, freq in Units of 62.5kHz = 1/16MHz */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | static void set_tv_freq(struct i2c_client *c, unsigned int freq) |
| 74 | { |
| 75 | struct tuner *t = i2c_get_clientdata(c); |
| 76 | |
| 77 | if (t->type == UNSET) { |
| 78 | tuner_info("tuner type not set\n"); |
| 79 | return; |
| 80 | } |
| 81 | if (NULL == t->tv_freq) { |
| 82 | tuner_info("Huh? tv_set is NULL?\n"); |
| 83 | return; |
| 84 | } |
| 85 | if (freq < tv_range[0]*16 || freq > tv_range[1]*16) { |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 86 | |
| 87 | if (freq >= tv_range[0]*16364 && freq <= tv_range[1]*16384) { |
| 88 | /* V4L2_TUNER_CAP_LOW frequency */ |
| 89 | |
| 90 | tuner_dbg("V4L2_TUNER_CAP_LOW freq selected for TV. Tuners yet doesn't support converting it to valid freq.\n"); |
| 91 | |
| 92 | t->tv_freq(c,freq>>10); |
| 93 | |
| 94 | return; |
| 95 | } else { |
| 96 | /* FIXME: better do that chip-specific, but |
| 97 | right now we don't have that in the config |
| 98 | struct and this way is still better than no |
| 99 | check at all */ |
| 100 | tuner_info("TV freq (%d.%02d) out of range (%d-%d)\n", |
| 101 | freq/16,freq%16*100/16,tv_range[0],tv_range[1]); |
| 102 | return; |
| 103 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 104 | } |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 105 | tuner_dbg("62.5 Khz freq step selected for TV.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 106 | t->tv_freq(c,freq); |
| 107 | } |
| 108 | |
| 109 | static void set_radio_freq(struct i2c_client *c, unsigned int freq) |
| 110 | { |
| 111 | struct tuner *t = i2c_get_clientdata(c); |
| 112 | |
| 113 | if (t->type == UNSET) { |
| 114 | tuner_info("tuner type not set\n"); |
| 115 | return; |
| 116 | } |
| 117 | if (NULL == t->radio_freq) { |
| 118 | tuner_info("no radio tuning for this one, sorry.\n"); |
| 119 | return; |
| 120 | } |
| 121 | if (freq < radio_range[0]*16 || freq > radio_range[1]*16) { |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 122 | if (freq >= tv_range[0]*16364 && freq <= tv_range[1]*16384) { |
| 123 | /* V4L2_TUNER_CAP_LOW frequency */ |
| 124 | if (t->type == TUNER_TEA5767) { |
| 125 | tuner_info("radio freq step 62.5Hz (%d.%06d)\n",(freq>>14),freq%(1<<14)*10000); |
| 126 | t->radio_freq(c,freq>>10); |
| 127 | return; |
| 128 | } |
| 129 | |
| 130 | tuner_dbg("V4L2_TUNER_CAP_LOW freq selected for Radio. Tuners yet doesn't support converting it to valid freq.\n"); |
| 131 | |
| 132 | tuner_info("radio freq (%d.%06d)\n",(freq>>14),freq%(1<<14)*10000); |
| 133 | |
| 134 | t->radio_freq(c,freq>>10); |
| 135 | return; |
| 136 | |
| 137 | } else { |
| 138 | tuner_info("radio freq (%d.%02d) out of range (%d-%d)\n", |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | freq/16,freq%16*100/16, |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 140 | radio_range[0],radio_range[1]); |
| 141 | return; |
| 142 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 143 | } |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 144 | tuner_dbg("62.5 Khz freq step selected for Radio.\n"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 145 | t->radio_freq(c,freq); |
| 146 | } |
| 147 | |
| 148 | static void set_freq(struct i2c_client *c, unsigned long freq) |
| 149 | { |
| 150 | struct tuner *t = i2c_get_clientdata(c); |
| 151 | |
| 152 | switch (t->mode) { |
| 153 | case V4L2_TUNER_RADIO: |
| 154 | tuner_dbg("radio freq set to %lu.%02lu\n", |
| 155 | freq/16,freq%16*100/16); |
| 156 | set_radio_freq(c,freq); |
| 157 | break; |
| 158 | case V4L2_TUNER_ANALOG_TV: |
| 159 | case V4L2_TUNER_DIGITAL_TV: |
| 160 | tuner_dbg("tv freq set to %lu.%02lu\n", |
| 161 | freq/16,freq%16*100/16); |
| 162 | set_tv_freq(c, freq); |
| 163 | break; |
| 164 | } |
| 165 | t->freq = freq; |
| 166 | } |
| 167 | |
| 168 | static void set_type(struct i2c_client *c, unsigned int type) |
| 169 | { |
| 170 | struct tuner *t = i2c_get_clientdata(c); |
| 171 | |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 172 | tuner_dbg ("I2C addr 0x%02x with type %d\n",c->addr<<1,type); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | /* sanity check */ |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 174 | if (type == UNSET || type == TUNER_ABSENT) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | return; |
| 176 | if (type >= tuner_count) |
| 177 | return; |
| 178 | |
| 179 | if (NULL == t->i2c.dev.driver) { |
| 180 | /* not registered yet */ |
| 181 | t->type = type; |
| 182 | return; |
| 183 | } |
| 184 | if (t->initialized) |
| 185 | /* run only once */ |
| 186 | return; |
| 187 | |
| 188 | t->initialized = 1; |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 189 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 190 | t->type = type; |
| 191 | switch (t->type) { |
| 192 | case TUNER_MT2032: |
| 193 | microtune_init(c); |
| 194 | break; |
| 195 | case TUNER_PHILIPS_TDA8290: |
| 196 | tda8290_init(c); |
| 197 | break; |
| 198 | default: |
| 199 | default_tuner_init(c); |
| 200 | break; |
| 201 | } |
| 202 | } |
| 203 | |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 204 | #ifdef CONFIG_TUNER_MULTI_I2C |
| 205 | #define CHECK_ADDR(tp,cmd,tun) if (client->addr!=tp) { \ |
| 206 | return 0; } else \ |
| 207 | tuner_info ("Cmd %s accepted to "tun"\n",cmd); |
| 208 | #define CHECK_MODE(cmd) if (t->mode == V4L2_TUNER_RADIO) { \ |
| 209 | CHECK_ADDR(radio_tuner,cmd,"radio") } else \ |
| 210 | { CHECK_ADDR(tv_tuner,cmd,"TV"); } |
| 211 | #else |
| 212 | #define CHECK_ADDR(tp,cmd,tun) tuner_info ("Cmd %s accepted to "tun"\n",cmd); |
| 213 | #define CHECK_MODE(cmd) tuner_info ("Cmd %s accepted\n",cmd); |
| 214 | #endif |
| 215 | |
| 216 | #ifdef CONFIG_TUNER_MULTI_I2C |
| 217 | |
| 218 | static void set_addr(struct i2c_client *c, struct tuner_addr *tun_addr) |
| 219 | { |
| 220 | /* ADDR_UNSET defaults to first available tuner */ |
| 221 | if ( tun_addr->addr == ADDR_UNSET ) { |
| 222 | if (first_tuner != c->addr) |
| 223 | return; |
| 224 | switch (tun_addr->v4l2_tuner) { |
| 225 | case V4L2_TUNER_RADIO: |
| 226 | radio_tuner=c->addr; |
| 227 | break; |
| 228 | default: |
| 229 | tv_tuner=c->addr; |
| 230 | break; |
| 231 | } |
| 232 | } else { |
| 233 | /* Sets tuner to its configured value */ |
| 234 | switch (tun_addr->v4l2_tuner) { |
| 235 | case V4L2_TUNER_RADIO: |
| 236 | radio_tuner=tun_addr->addr; |
| 237 | if ( tun_addr->addr == c->addr ) set_type(c,tun_addr->type); |
| 238 | return; |
| 239 | default: |
| 240 | tv_tuner=tun_addr->addr; |
| 241 | if ( tun_addr->addr == c->addr ) set_type(c,tun_addr->type); |
| 242 | return; |
| 243 | } |
| 244 | } |
| 245 | set_type(c,tun_addr->type); |
| 246 | } |
| 247 | #else |
| 248 | #define set_addr(c,tun_addr) set_type(c,(tun_addr)->type) |
| 249 | #endif |
| 250 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 | static char pal[] = "-"; |
Bert Wesarg | 975e046 | 2005-04-16 15:25:43 -0700 | [diff] [blame] | 252 | module_param_string(pal, pal, sizeof(pal), 0644); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 253 | |
| 254 | static int tuner_fixup_std(struct tuner *t) |
| 255 | { |
| 256 | if ((t->std & V4L2_STD_PAL) == V4L2_STD_PAL) { |
| 257 | /* get more precise norm info from insmod option */ |
| 258 | switch (pal[0]) { |
| 259 | case 'b': |
| 260 | case 'B': |
| 261 | case 'g': |
| 262 | case 'G': |
| 263 | tuner_dbg("insmod fixup: PAL => PAL-BG\n"); |
| 264 | t->std = V4L2_STD_PAL_BG; |
| 265 | break; |
| 266 | case 'i': |
| 267 | case 'I': |
| 268 | tuner_dbg("insmod fixup: PAL => PAL-I\n"); |
| 269 | t->std = V4L2_STD_PAL_I; |
| 270 | break; |
| 271 | case 'd': |
| 272 | case 'D': |
| 273 | case 'k': |
| 274 | case 'K': |
| 275 | tuner_dbg("insmod fixup: PAL => PAL-DK\n"); |
| 276 | t->std = V4L2_STD_PAL_DK; |
| 277 | break; |
| 278 | } |
| 279 | } |
| 280 | return 0; |
| 281 | } |
| 282 | |
| 283 | /* ---------------------------------------------------------------------- */ |
| 284 | |
| 285 | static int tuner_attach(struct i2c_adapter *adap, int addr, int kind) |
| 286 | { |
| 287 | struct tuner *t; |
| 288 | |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 289 | #ifndef CONFIG_TUNER_MULTI_I2C |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | if (this_adap > 0) |
| 291 | return -1; |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 292 | #else |
| 293 | /* by default, first I2C card is both tv and radio tuner */ |
| 294 | if (this_adap == 0) { |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 295 | first_tuner = addr; |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 296 | tv_tuner = addr; |
| 297 | radio_tuner = addr; |
| 298 | } |
| 299 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | this_adap++; |
| 301 | |
| 302 | client_template.adapter = adap; |
| 303 | client_template.addr = addr; |
| 304 | |
| 305 | t = kmalloc(sizeof(struct tuner),GFP_KERNEL); |
| 306 | if (NULL == t) |
| 307 | return -ENOMEM; |
| 308 | memset(t,0,sizeof(struct tuner)); |
| 309 | memcpy(&t->i2c,&client_template,sizeof(struct i2c_client)); |
| 310 | i2c_set_clientdata(&t->i2c, t); |
| 311 | t->type = UNSET; |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 312 | t->radio_if2 = 10700*1000; /* 10.7MHz - FM radio */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 313 | |
| 314 | i2c_attach_client(&t->i2c); |
| 315 | tuner_info("chip found @ 0x%x (%s)\n", |
| 316 | addr << 1, adap->name); |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 317 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 318 | set_type(&t->i2c, t->type); |
| 319 | return 0; |
| 320 | } |
| 321 | |
| 322 | static int tuner_probe(struct i2c_adapter *adap) |
| 323 | { |
| 324 | if (0 != addr) { |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 325 | normal_i2c[0] = addr; |
| 326 | normal_i2c_range[0] = addr; |
| 327 | normal_i2c_range[1] = addr; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | } |
| 329 | this_adap = 0; |
| 330 | |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 331 | #ifdef CONFIG_TUNER_MULTI_I2C |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 332 | first_tuner = 0; |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 333 | tv_tuner = 0; |
| 334 | radio_tuner = 0; |
| 335 | #endif |
| 336 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | if (adap->class & I2C_CLASS_TV_ANALOG) |
| 338 | return i2c_probe(adap, &addr_data, tuner_attach); |
| 339 | return 0; |
| 340 | } |
| 341 | |
| 342 | static int tuner_detach(struct i2c_client *client) |
| 343 | { |
| 344 | struct tuner *t = i2c_get_clientdata(client); |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 345 | int err; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 346 | |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 347 | err=i2c_detach_client(&t->i2c); |
| 348 | if (err) { |
| 349 | tuner_warn ("Client deregistration failed, client not detached.\n"); |
| 350 | return err; |
| 351 | } |
| 352 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 353 | kfree(t); |
| 354 | return 0; |
| 355 | } |
| 356 | |
| 357 | #define SWITCH_V4L2 if (!t->using_v4l2 && tuner_debug) \ |
| 358 | tuner_info("switching to v4l2\n"); \ |
| 359 | t->using_v4l2 = 1; |
| 360 | #define CHECK_V4L2 if (t->using_v4l2) { if (tuner_debug) \ |
| 361 | tuner_info("ignore v4l1 call\n"); \ |
| 362 | return 0; } |
| 363 | |
| 364 | static int |
| 365 | tuner_command(struct i2c_client *client, unsigned int cmd, void *arg) |
| 366 | { |
| 367 | struct tuner *t = i2c_get_clientdata(client); |
| 368 | unsigned int *iarg = (int*)arg; |
| 369 | |
| 370 | switch (cmd) { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 371 | /* --- configuration --- */ |
| 372 | case TUNER_SET_TYPE: |
| 373 | set_type(client,*iarg); |
| 374 | break; |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 375 | case TUNER_SET_TYPE_ADDR: |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 376 | set_addr(client,(struct tuner_addr *)arg); |
| 377 | break; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 378 | case AUDC_SET_RADIO: |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 379 | t->mode = V4L2_TUNER_RADIO; |
| 380 | CHECK_ADDR(tv_tuner,"AUDC_SET_RADIO","TV"); |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 381 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 382 | if (V4L2_TUNER_RADIO != t->mode) { |
| 383 | set_tv_freq(client,400 * 16); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 384 | } |
| 385 | break; |
| 386 | case AUDC_CONFIG_PINNACLE: |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 387 | CHECK_ADDR(tv_tuner,"AUDC_CONFIG_PINNACLE","TV"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 388 | switch (*iarg) { |
| 389 | case 2: |
| 390 | tuner_dbg("pinnacle pal\n"); |
| 391 | t->radio_if2 = 33300 * 1000; |
| 392 | break; |
| 393 | case 3: |
| 394 | tuner_dbg("pinnacle ntsc\n"); |
| 395 | t->radio_if2 = 41300 * 1000; |
| 396 | break; |
| 397 | } |
| 398 | break; |
| 399 | |
| 400 | /* --- v4l ioctls --- */ |
| 401 | /* take care: bttv does userspace copying, we'll get a |
| 402 | kernel pointer here... */ |
| 403 | case VIDIOCSCHAN: |
| 404 | { |
| 405 | static const v4l2_std_id map[] = { |
| 406 | [ VIDEO_MODE_PAL ] = V4L2_STD_PAL, |
| 407 | [ VIDEO_MODE_NTSC ] = V4L2_STD_NTSC_M, |
| 408 | [ VIDEO_MODE_SECAM ] = V4L2_STD_SECAM, |
| 409 | [ 4 /* bttv */ ] = V4L2_STD_PAL_M, |
| 410 | [ 5 /* bttv */ ] = V4L2_STD_PAL_N, |
| 411 | [ 6 /* bttv */ ] = V4L2_STD_NTSC_M_JP, |
| 412 | }; |
| 413 | struct video_channel *vc = arg; |
| 414 | |
| 415 | CHECK_V4L2; |
| 416 | t->mode = V4L2_TUNER_ANALOG_TV; |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 417 | CHECK_ADDR(tv_tuner,"VIDIOCSCHAN","TV"); |
| 418 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 419 | if (vc->norm < ARRAY_SIZE(map)) |
| 420 | t->std = map[vc->norm]; |
| 421 | tuner_fixup_std(t); |
| 422 | if (t->freq) |
| 423 | set_tv_freq(client,t->freq); |
| 424 | return 0; |
| 425 | } |
| 426 | case VIDIOCSFREQ: |
| 427 | { |
| 428 | unsigned long *v = arg; |
| 429 | |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 430 | CHECK_MODE("VIDIOCSFREQ"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 431 | CHECK_V4L2; |
| 432 | set_freq(client,*v); |
| 433 | return 0; |
| 434 | } |
| 435 | case VIDIOCGTUNER: |
| 436 | { |
| 437 | struct video_tuner *vt = arg; |
| 438 | |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 439 | CHECK_ADDR(radio_tuner,"VIDIOCGTUNER","radio"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 440 | CHECK_V4L2; |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 441 | if (V4L2_TUNER_RADIO == t->mode) { |
| 442 | if (t->has_signal) |
| 443 | vt->signal = t->has_signal(client); |
| 444 | if (t->is_stereo) { |
| 445 | if (t->is_stereo(client)) |
| 446 | vt-> flags |= VIDEO_TUNER_STEREO_ON; |
| 447 | else |
| 448 | vt-> flags &= 0xffff ^ VIDEO_TUNER_STEREO_ON; |
| 449 | } |
| 450 | vt->flags |= V4L2_TUNER_CAP_LOW; /* Allow freqs at 62.5 Hz */ |
| 451 | } |
| 452 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 453 | return 0; |
| 454 | } |
| 455 | case VIDIOCGAUDIO: |
| 456 | { |
| 457 | struct video_audio *va = arg; |
| 458 | |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 459 | CHECK_ADDR(radio_tuner,"VIDIOCGAUDIO","radio"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 460 | CHECK_V4L2; |
| 461 | if (V4L2_TUNER_RADIO == t->mode && t->is_stereo) |
| 462 | va->mode = t->is_stereo(client) |
| 463 | ? VIDEO_SOUND_STEREO |
| 464 | : VIDEO_SOUND_MONO; |
| 465 | return 0; |
| 466 | } |
| 467 | |
| 468 | case VIDIOC_S_STD: |
| 469 | { |
| 470 | v4l2_std_id *id = arg; |
| 471 | |
| 472 | SWITCH_V4L2; |
| 473 | t->mode = V4L2_TUNER_ANALOG_TV; |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 474 | CHECK_ADDR(tv_tuner,"VIDIOC_S_STD","TV"); |
| 475 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 476 | t->std = *id; |
| 477 | tuner_fixup_std(t); |
| 478 | if (t->freq) |
| 479 | set_freq(client,t->freq); |
| 480 | break; |
| 481 | } |
| 482 | case VIDIOC_S_FREQUENCY: |
| 483 | { |
| 484 | struct v4l2_frequency *f = arg; |
| 485 | |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 486 | CHECK_MODE("VIDIOC_S_FREQUENCY"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 487 | SWITCH_V4L2; |
| 488 | if (V4L2_TUNER_RADIO == f->type && |
| 489 | V4L2_TUNER_RADIO != t->mode) |
| 490 | set_tv_freq(client,400*16); |
| 491 | t->mode = f->type; |
Jiri Benc | e99d343 | 2005-05-06 21:30:42 -0700 | [diff] [blame] | 492 | set_freq(client,f->frequency); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 493 | break; |
| 494 | } |
Jiri Benc | c184ca3 | 2005-05-06 21:30:42 -0700 | [diff] [blame] | 495 | case VIDIOC_G_FREQUENCY: |
| 496 | { |
| 497 | struct v4l2_frequency *f = arg; |
| 498 | |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 499 | CHECK_MODE("VIDIOC_G_FREQUENCY"); |
Jiri Benc | c184ca3 | 2005-05-06 21:30:42 -0700 | [diff] [blame] | 500 | SWITCH_V4L2; |
| 501 | f->type = t->mode; |
| 502 | f->frequency = t->freq; |
| 503 | break; |
| 504 | } |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 505 | case VIDIOC_G_TUNER: |
| 506 | { |
| 507 | struct v4l2_tuner *tuner = arg; |
| 508 | |
Mauro Carvalho Chehab | 391cd72 | 2005-06-23 22:02:43 -0700 | [diff] [blame] | 509 | CHECK_MODE("VIDIOC_G_TUNER"); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 510 | SWITCH_V4L2; |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 511 | if (V4L2_TUNER_RADIO == t->mode) { |
| 512 | if (t->has_signal) |
| 513 | tuner -> signal = t->has_signal(client); |
| 514 | if (t->is_stereo) { |
| 515 | if (t->is_stereo(client)) { |
| 516 | tuner -> capability |= V4L2_TUNER_CAP_STEREO; |
| 517 | tuner -> rxsubchans |= V4L2_TUNER_SUB_STEREO; |
| 518 | } else { |
| 519 | tuner -> rxsubchans &= 0xffff ^ V4L2_TUNER_SUB_STEREO; |
| 520 | } |
| 521 | } |
| 522 | } |
| 523 | /* Wow to deal with V4L2_TUNER_CAP_LOW ? For now, it accepts from low at 62.5KHz step to high at 62.5 Hz */ |
Jiri Benc | c184ca3 | 2005-05-06 21:30:42 -0700 | [diff] [blame] | 524 | tuner->rangelow = tv_range[0] * 16; |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 525 | // tuner->rangehigh = tv_range[1] * 16; |
| 526 | // tuner->rangelow = tv_range[0] * 16384; |
| 527 | tuner->rangehigh = tv_range[1] * 16384; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 528 | break; |
| 529 | } |
| 530 | default: |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 531 | tuner_dbg ("Unimplemented IOCTL 0x%08x called to tuner.\n", cmd); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 532 | /* nothing */ |
| 533 | break; |
| 534 | } |
| 535 | |
| 536 | return 0; |
| 537 | } |
| 538 | |
Mauro Carvalho Chehab | 56fc08c | 2005-06-23 22:05:07 -0700 | [diff] [blame^] | 539 | static int tuner_suspend(struct device * dev, u32 state, u32 level) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 540 | { |
| 541 | struct i2c_client *c = container_of(dev, struct i2c_client, dev); |
| 542 | struct tuner *t = i2c_get_clientdata(c); |
| 543 | |
| 544 | tuner_dbg("suspend\n"); |
| 545 | /* FIXME: power down ??? */ |
| 546 | return 0; |
| 547 | } |
| 548 | |
| 549 | static int tuner_resume(struct device * dev, u32 level) |
| 550 | { |
| 551 | struct i2c_client *c = container_of(dev, struct i2c_client, dev); |
| 552 | struct tuner *t = i2c_get_clientdata(c); |
| 553 | |
| 554 | tuner_dbg("resume\n"); |
| 555 | if (t->freq) |
| 556 | set_freq(c,t->freq); |
| 557 | return 0; |
| 558 | } |
| 559 | |
| 560 | /* ----------------------------------------------------------------------- */ |
| 561 | |
| 562 | static struct i2c_driver driver = { |
| 563 | .owner = THIS_MODULE, |
| 564 | .name = "tuner", |
| 565 | .id = I2C_DRIVERID_TUNER, |
| 566 | .flags = I2C_DF_NOTIFY, |
| 567 | .attach_adapter = tuner_probe, |
| 568 | .detach_client = tuner_detach, |
| 569 | .command = tuner_command, |
| 570 | .driver = { |
| 571 | .suspend = tuner_suspend, |
| 572 | .resume = tuner_resume, |
| 573 | }, |
| 574 | }; |
| 575 | static struct i2c_client client_template = |
| 576 | { |
| 577 | I2C_DEVNAME("(tuner unset)"), |
| 578 | .flags = I2C_CLIENT_ALLOW_USE, |
| 579 | .driver = &driver, |
| 580 | }; |
| 581 | |
| 582 | static int __init tuner_init_module(void) |
| 583 | { |
| 584 | return i2c_add_driver(&driver); |
| 585 | } |
| 586 | |
| 587 | static void __exit tuner_cleanup_module(void) |
| 588 | { |
| 589 | i2c_del_driver(&driver); |
| 590 | } |
| 591 | |
| 592 | module_init(tuner_init_module); |
| 593 | module_exit(tuner_cleanup_module); |
| 594 | |
| 595 | /* |
| 596 | * Overrides for Emacs so that we follow Linus's tabbing style. |
| 597 | * --------------------------------------------------------------------------- |
| 598 | * Local variables: |
| 599 | * c-basic-offset: 8 |
| 600 | * End: |
| 601 | */ |