| | 1 | /* tuner-xc2028 |
| | 2 | * |
| | 3 | * Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org) |
| | 4 | * |
| | 5 | * Copyright (c) 2007 Michel Ludwig (michel.ludwig@gmail.com) |
| | 6 | * - frontend interface |
| | 7 | * |
| | 8 | * This code is placed under the terms of the GNU General Public License v2 |
| | 9 | */ |
| | 10 | |
| | 11 | #include <linux/i2c.h> |
| | 12 | #include <asm/div64.h> |
| | 13 | #include <linux/firmware.h> |
| | 14 | #include <linux/videodev2.h> |
| | 15 | #include <linux/delay.h> |
| | 16 | #include <media/tuner.h> |
| | 17 | #include <linux/mutex.h> |
| | 18 | #include "tuner-i2c.h" |
| | 19 | #include "tuner-xc2028.h" |
| | 20 | #include "tuner-xc2028-types.h" |
| | 21 | |
| | 22 | #include <linux/dvb/frontend.h> |
| | 23 | #include "dvb_frontend.h" |
| | 24 | |
| | 25 | |
| | 26 | #define PREFIX "xc2028" |
| | 27 | |
| | 28 | static int debug; |
| | 29 | module_param(debug, int, 0644); |
| | 30 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); |
| | 31 | |
| | 32 | static char audio_std[8]; |
| | 33 | module_param_string(audio_std, audio_std, sizeof(audio_std), 0); |
| | 34 | MODULE_PARM_DESC(audio_std, |
| | 35 | "Audio standard. XC3028 audio decoder explicitly " |
| | 36 | "needs to know what audio\n" |
| | 37 | "standard is needed for some video standards with audio A2 or NICAM.\n" |
| | 38 | "The valid values are:\n" |
| | 39 | "A2\n" |
| | 40 | "A2/A\n" |
| | 41 | "A2/B\n" |
| | 42 | "NICAM\n" |
| | 43 | "NICAM/A\n" |
| | 44 | "NICAM/B\n"); |
| | 45 | |
| | 46 | static LIST_HEAD(xc2028_list); |
| | 47 | static DEFINE_MUTEX(xc2028_list_mutex); |
| | 48 | |
| | 49 | /* struct for storing firmware table */ |
| | 50 | struct firmware_description { |
| | 51 | unsigned int type; |
| | 52 | v4l2_std_id id; |
| | 53 | unsigned char *ptr; |
| | 54 | unsigned int size; |
| | 55 | }; |
| | 56 | |
| | 57 | struct firmware_properties { |
| | 58 | unsigned int type; |
| | 59 | v4l2_std_id id; |
| | 60 | v4l2_std_id std_req; |
| | 61 | unsigned int scode_table; |
| | 62 | int scode_nr; |
| | 63 | }; |
| | 64 | |
| | 65 | struct xc2028_data { |
| | 66 | struct list_head xc2028_list; |
| | 67 | struct tuner_i2c_props i2c_props; |
| | 68 | int (*tuner_callback) (void *dev, |
| | 69 | int command, int arg); |
| | 70 | void *video_dev; |
| | 71 | int count; |
| | 72 | __u32 frequency; |
| | 73 | |
| | 74 | struct firmware_description *firm; |
| | 75 | int firm_size; |
| | 76 | __u16 firm_version; |
| | 77 | |
| | 78 | __u16 hwmodel; |
| | 79 | __u16 hwvers; |
| | 80 | |
| | 81 | struct xc2028_ctrl ctrl; |
| | 82 | |
| | 83 | struct firmware_properties cur_fw; |
| | 84 | |
| | 85 | struct mutex lock; |
| | 86 | }; |
| | 87 | |
| | 88 | #define i2c_send(priv, buf, size) ({ \ |
| | 89 | int _rc; \ |
| | 90 | _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \ |
| | 91 | if (size != _rc) \ |
| | 92 | tuner_info("i2c output error: rc = %d (should be %d)\n",\ |
| | 93 | _rc, (int)size); \ |
| | 94 | _rc; \ |
| | 95 | }) |
| | 96 | |
| | 97 | #define i2c_rcv(priv, buf, size) ({ \ |
| | 98 | int _rc; \ |
| | 99 | _rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \ |
| | 100 | if (size != _rc) \ |
| | 101 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ |
| | 102 | _rc, (int)size); \ |
| | 103 | _rc; \ |
| | 104 | }) |
| | 105 | |
| | 106 | #define i2c_send_recv(priv, obuf, osize, ibuf, isize) ({ \ |
| | 107 | int _rc; \ |
| | 108 | _rc = tuner_i2c_xfer_send_recv(&priv->i2c_props, obuf, osize, \ |
| | 109 | ibuf, isize); \ |
| | 110 | if (isize != _rc) \ |
| | 111 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ |
| | 112 | _rc, (int)isize); \ |
| | 113 | _rc; \ |
| | 114 | }) |
| | 115 | |
| | 116 | #define send_seq(priv, data...) ({ \ |
| | 117 | static u8 _val[] = data; \ |
| | 118 | int _rc; \ |
| | 119 | if (sizeof(_val) != \ |
| | 120 | (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \ |
| | 121 | _val, sizeof(_val)))) { \ |
| | 122 | tuner_err("Error on line %d: %d\n", __LINE__, _rc); \ |
| | 123 | } else \ |
| | 124 | msleep(10); \ |
| | 125 | _rc; \ |
| | 126 | }) |
| | 127 | |
| | 128 | static unsigned int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val) |
| | 129 | { |
| | 130 | unsigned char buf[2]; |
| | 131 | unsigned char ibuf[2]; |
| | 132 | |
| | 133 | tuner_dbg("%s %04x called\n", __FUNCTION__, reg); |
| | 134 | |
| | 135 | buf[0] = reg >> 8; |
| | 136 | buf[1] = (unsigned char) reg; |
| | 137 | |
| | 138 | if (i2c_send_recv(priv, buf, 2, ibuf, 2) != 2) |
| | 139 | return -EIO; |
| | 140 | |
| | 141 | *val = (ibuf[1]) | (ibuf[0] << 8); |
| | 142 | return 0; |
| | 143 | } |
| | 144 | |
| | 145 | void dump_firm_type(unsigned int type) |
| | 146 | { |
| | 147 | if (type & BASE) |
| | 148 | printk("BASE "); |
| | 149 | if (type & INIT1) |
| | 150 | printk("INIT1 "); |
| | 151 | if (type & F8MHZ) |
| | 152 | printk("F8MHZ "); |
| | 153 | if (type & MTS) |
| | 154 | printk("MTS "); |
| | 155 | if (type & D2620) |
| | 156 | printk("D2620 "); |
| | 157 | if (type & D2633) |
| | 158 | printk("D2633 "); |
| | 159 | if (type & DTV6) |
| | 160 | printk("DTV6 "); |
| | 161 | if (type & QAM) |
| | 162 | printk("QAM "); |
| | 163 | if (type & DTV7) |
| | 164 | printk("DTV7 "); |
| | 165 | if (type & DTV78) |
| | 166 | printk("DTV78 "); |
| | 167 | if (type & DTV8) |
| | 168 | printk("DTV8 "); |
| | 169 | if (type & FM) |
| | 170 | printk("FM "); |
| | 171 | if (type & INPUT1) |
| | 172 | printk("INPUT1 "); |
| | 173 | if (type & LCD) |
| | 174 | printk("LCD "); |
| | 175 | if (type & NOGD) |
| | 176 | printk("NOGD "); |
| | 177 | if (type & MONO) |
| | 178 | printk("MONO "); |
| | 179 | if (type & ATSC) |
| | 180 | printk("ATSC "); |
| | 181 | if (type & IF) |
| | 182 | printk("IF "); |
| | 183 | if (type & LG60) |
| | 184 | printk("LG60 "); |
| | 185 | if (type & ATI638) |
| | 186 | printk("ATI638 "); |
| | 187 | if (type & OREN538) |
| | 188 | printk("OREN538 "); |
| | 189 | if (type & OREN36) |
| | 190 | printk("OREN36 "); |
| | 191 | if (type & TOYOTA388) |
| | 192 | printk("TOYOTA388 "); |
| | 193 | if (type & TOYOTA794) |
| | 194 | printk("TOYOTA794 "); |
| | 195 | if (type & DIBCOM52) |
| | 196 | printk("DIBCOM52 "); |
| | 197 | if (type & ZARLINK456) |
| | 198 | printk("ZARLINK456 "); |
| | 199 | if (type & CHINA) |
| | 200 | printk("CHINA "); |
| | 201 | if (type & F6MHZ) |
| | 202 | printk("F6MHZ "); |
| | 203 | if (type & INPUT2) |
| | 204 | printk("INPUT2 "); |
| | 205 | if (type & SCODE) |
| | 206 | printk("SCODE "); |
| | 207 | } |
| | 208 | |
| | 209 | static v4l2_std_id parse_audio_std_option(void) |
| | 210 | { |
| | 211 | if (strcasecmp(audio_std, "A2") == 0) |
| | 212 | return V4L2_STD_A2; |
| | 213 | if (strcasecmp(audio_std, "A2/A") == 0) |
| | 214 | return V4L2_STD_A2_A; |
| | 215 | if (strcasecmp(audio_std, "A2/B") == 0) |
| | 216 | return V4L2_STD_A2_B; |
| | 217 | if (strcasecmp(audio_std, "NICAM") == 0) |
| | 218 | return V4L2_STD_NICAM; |
| | 219 | if (strcasecmp(audio_std, "NICAM/A") == 0) |
| | 220 | return V4L2_STD_NICAM_A; |
| | 221 | if (strcasecmp(audio_std, "NICAM/B") == 0) |
| | 222 | return V4L2_STD_NICAM_B; |
| | 223 | |
| | 224 | return 0; |
| | 225 | } |
| | 226 | |
| | 227 | static void free_firmware(struct xc2028_data *priv) |
| | 228 | { |
| | 229 | int i; |
| | 230 | |
| | 231 | if (!priv->firm) |
| | 232 | return; |
| | 233 | |
| | 234 | for (i = 0; i < priv->firm_size; i++) |
| | 235 | kfree(priv->firm[i].ptr); |
| | 236 | |
| | 237 | kfree(priv->firm); |
| | 238 | |
| | 239 | priv->firm = NULL; |
| | 240 | priv->firm_size = 0; |
| | 241 | |
| | 242 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); |
| | 243 | } |
| | 244 | |
| | 245 | static int load_all_firmwares(struct dvb_frontend *fe) |
| | 246 | { |
| | 247 | struct xc2028_data *priv = fe->tuner_priv; |
| | 248 | const struct firmware *fw = NULL; |
| | 249 | unsigned char *p, *endp; |
| | 250 | int rc = 0; |
| | 251 | int n, n_array; |
| | 252 | char name[33]; |
| | 253 | |
| | 254 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 255 | |
| | 256 | tuner_dbg("Reading firmware %s\n", priv->ctrl.fname); |
| | 257 | rc = request_firmware(&fw, priv->ctrl.fname, |
| | 258 | &priv->i2c_props.adap->dev); |
| | 259 | if (rc < 0) { |
| | 260 | if (rc == -ENOENT) |
| | 261 | tuner_err("Error: firmware %s not found.\n", |
| | 262 | priv->ctrl.fname); |
| | 263 | else |
| | 264 | tuner_err("Error %d while requesting firmware %s \n", |
| | 265 | rc, priv->ctrl.fname); |
| | 266 | |
| | 267 | return rc; |
| | 268 | } |
| | 269 | p = fw->data; |
| | 270 | endp = p + fw->size; |
| | 271 | |
| | 272 | if (fw->size < sizeof(name) - 1 + 2 + 2) { |
| | 273 | tuner_err("Error: firmware file %s has invalid size!\n", |
| | 274 | priv->ctrl.fname); |
| | 275 | goto corrupt; |
| | 276 | } |
| | 277 | |
| | 278 | memcpy(name, p, sizeof(name) - 1); |
| | 279 | name[sizeof(name) - 1] = 0; |
| | 280 | p += sizeof(name) - 1; |
| | 281 | |
| | 282 | priv->firm_version = le16_to_cpu(*(__u16 *) p); |
| | 283 | p += 2; |
| | 284 | |
| | 285 | n_array = le16_to_cpu(*(__u16 *) p); |
| | 286 | p += 2; |
| | 287 | |
| | 288 | tuner_info("Loading %d firmware images from %s, type: %s, ver %d.%d\n", |
| | 289 | n_array, priv->ctrl.fname, name, |
| | 290 | priv->firm_version >> 8, priv->firm_version & 0xff); |
| | 291 | |
| | 292 | priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); |
| | 293 | if (priv->firm == NULL) { |
| | 294 | tuner_err("Not enough memory to load firmware file.\n"); |
| | 295 | rc = -ENOMEM; |
| | 296 | goto err; |
| | 297 | } |
| | 298 | priv->firm_size = n_array; |
| | 299 | |
| | 300 | n = -1; |
| | 301 | while (p < endp) { |
| | 302 | __u32 type, size; |
| | 303 | v4l2_std_id id; |
| | 304 | |
| | 305 | n++; |
| | 306 | if (n >= n_array) { |
| | 307 | tuner_err("More firmware images in file than " |
| | 308 | "were expected!\n"); |
| | 309 | goto corrupt; |
| | 310 | } |
| | 311 | |
| | 312 | /* Checks if there's enough bytes to read */ |
| | 313 | if (p + sizeof(type) + sizeof(id) + sizeof(size) > endp) { |
| | 314 | tuner_err("Firmware header is incomplete!\n"); |
| | 315 | goto corrupt; |
| | 316 | } |
| | 317 | |
| | 318 | type = le32_to_cpu(*(__u32 *) p); |
| | 319 | p += sizeof(type); |
| | 320 | |
| | 321 | id = le64_to_cpu(*(v4l2_std_id *) p); |
| | 322 | p += sizeof(id); |
| | 323 | |
| | 324 | size = le32_to_cpu(*(__u32 *) p); |
| | 325 | p += sizeof(size); |
| | 326 | |
| | 327 | if ((!size) || (size + p > endp)) { |
| | 328 | tuner_err("Firmware type "); |
| | 329 | dump_firm_type(type); |
| | 330 | printk("(%x), id %llx is corrupted " |
| | 331 | "(size=%d, expected %d)\n", |
| | 332 | type, (unsigned long long)id, |
| | 333 | (unsigned)(endp - p), size); |
| | 334 | goto corrupt; |
| | 335 | } |
| | 336 | |
| | 337 | priv->firm[n].ptr = kzalloc(size, GFP_KERNEL); |
| | 338 | if (priv->firm[n].ptr == NULL) { |
| | 339 | tuner_err("Not enough memory to load firmware file.\n"); |
| | 340 | rc = -ENOMEM; |
| | 341 | goto err; |
| | 342 | } |
| | 343 | tuner_dbg("Reading firmware type "); |
| | 344 | if (debug) { |
| | 345 | dump_firm_type(type); |
| | 346 | printk("(%x), id %llx, size=%d.\n", |
| | 347 | type, (unsigned long long)id, size); |
| | 348 | } |
| | 349 | |
| | 350 | memcpy(priv->firm[n].ptr, p, size); |
| | 351 | priv->firm[n].type = type; |
| | 352 | priv->firm[n].id = id; |
| | 353 | priv->firm[n].size = size; |
| | 354 | |
| | 355 | p += size; |
| | 356 | } |
| | 357 | |
| | 358 | if (n + 1 != priv->firm_size) { |
| | 359 | tuner_err("Firmware file is incomplete!\n"); |
| | 360 | goto corrupt; |
| | 361 | } |
| | 362 | |
| | 363 | goto done; |
| | 364 | |
| | 365 | corrupt: |
| | 366 | rc = -EINVAL; |
| | 367 | tuner_err("Error: firmware file is corrupted!\n"); |
| | 368 | |
| | 369 | err: |
| | 370 | tuner_info("Releasing partially loaded firmware file.\n"); |
| | 371 | free_firmware(priv); |
| | 372 | |
| | 373 | done: |
| | 374 | release_firmware(fw); |
| | 375 | if (rc == 0) |
| | 376 | tuner_dbg("Firmware files loaded.\n"); |
| | 377 | |
| | 378 | return rc; |
| | 379 | } |
| | 380 | |
| | 381 | static int seek_firmware(struct dvb_frontend *fe, unsigned int type, |
| | 382 | v4l2_std_id *id) |
| | 383 | { |
| | 384 | struct xc2028_data *priv = fe->tuner_priv; |
| | 385 | int i, best_i = -1, best_nr_matches = 0; |
| | 386 | |
| | 387 | tuner_dbg("%s called, want type=", __FUNCTION__); |
| | 388 | if (debug) { |
| | 389 | dump_firm_type(type); |
| | 390 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); |
| | 391 | } |
| | 392 | |
| | 393 | if (!priv->firm) { |
| | 394 | tuner_err("Error! firmware not loaded\n"); |
| | 395 | return -EINVAL; |
| | 396 | } |
| | 397 | |
| | 398 | if (((type & ~SCODE) == 0) && (*id == 0)) |
| | 399 | *id = V4L2_STD_PAL; |
| | 400 | |
| | 401 | if (type & BASE) |
| | 402 | type &= BASE_TYPES; |
| | 403 | else if (type & SCODE) |
| | 404 | type &= SCODE_TYPES; |
| | 405 | else if (type & DTV_TYPES) |
| | 406 | type &= DTV_TYPES; |
| | 407 | else if (type & STD_SPECIFIC_TYPES) |
| | 408 | type &= STD_SPECIFIC_TYPES; |
| | 409 | |
| | 410 | /* Seek for exact match */ |
| | 411 | for (i = 0; i < priv->firm_size; i++) { |
| | 412 | if ((type == priv->firm[i].type) && (*id == priv->firm[i].id)) |
| | 413 | goto found; |
| | 414 | } |
| | 415 | |
| | 416 | /* Seek for generic video standard match */ |
| | 417 | for (i = 0; i < priv->firm_size; i++) { |
| | 418 | v4l2_std_id match_mask; |
| | 419 | int nr_matches; |
| | 420 | |
| | 421 | if (type != priv->firm[i].type) |
| | 422 | continue; |
| | 423 | |
| | 424 | match_mask = *id & priv->firm[i].id; |
| | 425 | if (!match_mask) |
| | 426 | continue; |
| | 427 | |
| | 428 | if ((*id & match_mask) == *id) |
| | 429 | goto found; /* Supports all the requested standards */ |
| | 430 | |
| | 431 | nr_matches = hweight64(match_mask); |
| | 432 | if (nr_matches > best_nr_matches) { |
| | 433 | best_nr_matches = nr_matches; |
| | 434 | best_i = i; |
| | 435 | } |
| | 436 | } |
| | 437 | |
| | 438 | if (best_nr_matches > 0) { |
| | 439 | tuner_dbg("Selecting best matching firmware (%d bits) for " |
| | 440 | "type=", best_nr_matches); |
| | 441 | dump_firm_type(type); |
| | 442 | printk("(%x), id %016llx:\n", type, (unsigned long long)*id); |
| | 443 | i = best_i; |
| | 444 | goto found; |
| | 445 | } |
| | 446 | |
| | 447 | /*FIXME: Would make sense to seek for type "hint" match ? */ |
| | 448 | |
| | 449 | i = -ENOENT; |
| | 450 | goto ret; |
| | 451 | |
| | 452 | found: |
| | 453 | *id = priv->firm[i].id; |
| | 454 | |
| | 455 | ret: |
| | 456 | tuner_dbg("%s firmware for type=", (i < 0) ? "Can't find" : "Found"); |
| | 457 | if (debug) { |
| | 458 | dump_firm_type(type); |
| | 459 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); |
| | 460 | } |
| | 461 | return i; |
| | 462 | } |
| | 463 | |
| | 464 | static int load_firmware(struct dvb_frontend *fe, unsigned int type, |
| | 465 | v4l2_std_id *id) |
| | 466 | { |
| | 467 | struct xc2028_data *priv = fe->tuner_priv; |
| | 468 | int pos, rc; |
| | 469 | unsigned char *p, *endp, buf[priv->ctrl.max_len]; |
| | 470 | |
| | 471 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 472 | |
| | 473 | pos = seek_firmware(fe, type, id); |
| | 474 | if (pos < 0) |
| | 475 | return pos; |
| | 476 | |
| | 477 | tuner_info("Loading firmware for type="); |
| | 478 | dump_firm_type(priv->firm[pos].type); |
| | 479 | printk("(%x), id %016llx.\n", priv->firm[pos].type, |
| | 480 | (unsigned long long)*id); |
| | 481 | |
| | 482 | p = priv->firm[pos].ptr; |
| | 483 | endp = p + priv->firm[pos].size; |
| | 484 | |
| | 485 | while (p < endp) { |
| | 486 | __u16 size; |
| | 487 | |
| | 488 | /* Checks if there's enough bytes to read */ |
| | 489 | if (p + sizeof(size) > endp) { |
| | 490 | tuner_err("Firmware chunk size is wrong\n"); |
| | 491 | return -EINVAL; |
| | 492 | } |
| | 493 | |
| | 494 | size = le16_to_cpu(*(__u16 *) p); |
| | 495 | p += sizeof(size); |
| | 496 | |
| | 497 | if (size == 0xffff) |
| | 498 | return 0; |
| | 499 | |
| | 500 | if (!size) { |
| | 501 | /* Special callback command received */ |
| | 502 | rc = priv->tuner_callback(priv->video_dev, |
| | 503 | XC2028_TUNER_RESET, 0); |
| | 504 | if (rc < 0) { |
| | 505 | tuner_err("Error at RESET code %d\n", |
| | 506 | (*p) & 0x7f); |
| | 507 | return -EINVAL; |
| | 508 | } |
| | 509 | continue; |
| | 510 | } |
| | 511 | if (size >= 0xff00) { |
| | 512 | switch (size) { |
| | 513 | case 0xff00: |
| | 514 | rc = priv->tuner_callback(priv->video_dev, |
| | 515 | XC2028_RESET_CLK, 0); |
| | 516 | if (rc < 0) { |
| | 517 | tuner_err("Error at RESET code %d\n", |
| | 518 | (*p) & 0x7f); |
| | 519 | return -EINVAL; |
| | 520 | } |
| | 521 | break; |
| | 522 | default: |
| | 523 | tuner_info("Invalid RESET code %d\n", |
| | 524 | size & 0x7f); |
| | 525 | return -EINVAL; |
| | 526 | |
| | 527 | } |
| | 528 | continue; |
| | 529 | } |
| | 530 | |
| | 531 | /* Checks for a sleep command */ |
| | 532 | if (size & 0x8000) { |
| | 533 | msleep(size & 0x7fff); |
| | 534 | continue; |
| | 535 | } |
| | 536 | |
| | 537 | if ((size + p > endp)) { |
| | 538 | tuner_err("missing bytes: need %d, have %d\n", |
| | 539 | size, (int)(endp - p)); |
| | 540 | return -EINVAL; |
| | 541 | } |
| | 542 | |
| | 543 | buf[0] = *p; |
| | 544 | p++; |
| | 545 | size--; |
| | 546 | |
| | 547 | /* Sends message chunks */ |
| | 548 | while (size > 0) { |
| | 549 | int len = (size < priv->ctrl.max_len - 1) ? |
| | 550 | size : priv->ctrl.max_len - 1; |
| | 551 | |
| | 552 | memcpy(buf + 1, p, len); |
| | 553 | |
| | 554 | rc = i2c_send(priv, buf, len + 1); |
| | 555 | if (rc < 0) { |
| | 556 | tuner_err("%d returned from send\n", rc); |
| | 557 | return -EINVAL; |
| | 558 | } |
| | 559 | |
| | 560 | p += len; |
| | 561 | size -= len; |
| | 562 | } |
| | 563 | } |
| | 564 | return 0; |
| | 565 | } |
| | 566 | |
| | 567 | static int load_scode(struct dvb_frontend *fe, unsigned int type, |
| | 568 | v4l2_std_id *id, int scode) |
| | 569 | { |
| | 570 | struct xc2028_data *priv = fe->tuner_priv; |
| | 571 | int pos, rc; |
| | 572 | unsigned char *p; |
| | 573 | |
| | 574 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 575 | |
| | 576 | pos = seek_firmware(fe, type, id); |
| | 577 | if (pos < 0) |
| | 578 | return pos; |
| | 579 | |
| | 580 | p = priv->firm[pos].ptr; |
| | 581 | |
| | 582 | /* 16 SCODE entries per file; each SCODE entry is 12 bytes and |
| | 583 | * has a 2-byte size header in the firmware format. */ |
| | 584 | if (priv->firm[pos].size != 14 * 16 || scode >= 16 || |
| | 585 | le16_to_cpu(*(__u16 *)(p + 14 * scode)) != 12) |
| | 586 | return -EINVAL; |
| | 587 | |
| | 588 | tuner_info("Loading SCODE for type="); |
| | 589 | dump_firm_type(priv->firm[pos].type); |
| | 590 | printk("(%x), id %016llx.\n", priv->firm[pos].type, |
| | 591 | (unsigned long long)*id); |
| | 592 | |
| | 593 | if (priv->firm_version < 0x0202) |
| | 594 | rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00}); |
| | 595 | else |
| | 596 | rc = send_seq(priv, {0xa0, 0x00, 0x00, 0x00}); |
| | 597 | if (rc < 0) |
| | 598 | return -EIO; |
| | 599 | |
| | 600 | rc = i2c_send(priv, p + 14 * scode + 2, 12); |
| | 601 | if (rc < 0) |
| | 602 | return -EIO; |
| | 603 | |
| | 604 | rc = send_seq(priv, {0x00, 0x8c}); |
| | 605 | if (rc < 0) |
| | 606 | return -EIO; |
| | 607 | |
| | 608 | return 0; |
| | 609 | } |
| | 610 | |
| | 611 | static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode, |
| | 612 | v4l2_std_id std, fe_bandwidth_t bandwidth) |
| | 613 | { |
| | 614 | struct xc2028_data *priv = fe->tuner_priv; |
| | 615 | int rc = 0, is_retry = 0; |
| | 616 | unsigned int type = 0; |
| | 617 | struct firmware_properties new_fw; |
| | 618 | u16 version, hwmodel; |
| | 619 | v4l2_std_id std0; |
| | 620 | |
| | 621 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 622 | |
| | 623 | if (!priv->firm) { |
| | 624 | if (!priv->ctrl.fname) { |
| | 625 | tuner_info("xc2028/3028 firmware name not set!\n"); |
| | 626 | return -EINVAL; |
| | 627 | } |
| | 628 | |
| | 629 | rc = load_all_firmwares(fe); |
| | 630 | if (rc < 0) |
| | 631 | return rc; |
| | 632 | } |
| | 633 | |
| | 634 | if (priv->ctrl.type == XC2028_FIRM_MTS) |
| | 635 | type |= MTS; |
| | 636 | if (bandwidth == BANDWIDTH_7_MHZ || bandwidth == BANDWIDTH_8_MHZ) |
| | 637 | type |= F8MHZ; |
| | 638 | |
| | 639 | /* FIXME: How to load FM and FM|INPUT1 firmwares? */ |
| | 640 | |
| | 641 | if (new_mode == T_DIGITAL_TV) { |
| | 642 | if (priv->ctrl.d2633) |
| | 643 | type |= D2633; |
| | 644 | else |
| | 645 | type |= D2620; |
| | 646 | |
| | 647 | switch (bandwidth) { |
| | 648 | case BANDWIDTH_8_MHZ: |
| | 649 | type |= DTV8; |
| | 650 | break; |
| | 651 | case BANDWIDTH_7_MHZ: |
| | 652 | type |= DTV7; |
| | 653 | break; |
| | 654 | case BANDWIDTH_6_MHZ: |
| | 655 | /* FIXME: Should allow select also ATSC */ |
| | 656 | type |= DTV6 | QAM; |
| | 657 | break; |
| | 658 | default: |
| | 659 | tuner_err("error: bandwidth not supported.\n"); |
| | 660 | }; |
| | 661 | } |
| | 662 | |
| | 663 | retry: |
| | 664 | new_fw.type = type; |
| | 665 | new_fw.id = std; |
| | 666 | new_fw.std_req = std; |
| | 667 | new_fw.scode_table = SCODE | priv->ctrl.scode_table; |
| | 668 | new_fw.scode_nr = 0; |
| | 669 | |
| | 670 | tuner_dbg("checking firmware, user requested type="); |
| | 671 | if (debug) { |
| | 672 | dump_firm_type(new_fw.type); |
| | 673 | printk("(%x), id %016llx, scode_tbl ", new_fw.type, |
| | 674 | (unsigned long long)new_fw.std_req); |
| | 675 | dump_firm_type(priv->ctrl.scode_table); |
| | 676 | printk("(%x), scode_nr %d\n", priv->ctrl.scode_table, |
| | 677 | new_fw.scode_nr); |
| | 678 | } |
| | 679 | |
| | 680 | /* No need to reload base firmware if it matches */ |
| | 681 | if (((BASE | new_fw.type) & BASE_TYPES) == |
| | 682 | (priv->cur_fw.type & BASE_TYPES)) { |
| | 683 | tuner_dbg("BASE firmware not changed.\n"); |
| | 684 | goto skip_base; |
| | 685 | } |
| | 686 | |
| | 687 | /* Updating BASE - forget about all currently loaded firmware */ |
| | 688 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); |
| | 689 | |
| | 690 | /* Reset is needed before loading firmware */ |
| | 691 | rc = priv->tuner_callback(priv->video_dev, |
| | 692 | XC2028_TUNER_RESET, 0); |
| | 693 | if (rc < 0) |
| | 694 | goto fail; |
| | 695 | |
| | 696 | /* BASE firmwares are all std0 */ |
| | 697 | std0 = 0; |
| | 698 | rc = load_firmware(fe, BASE | new_fw.type, &std0); |
| | 699 | if (rc < 0) { |
| | 700 | tuner_err("Error %d while loading base firmware\n", |
| | 701 | rc); |
| | 702 | goto fail; |
| | 703 | } |
| | 704 | |
| | 705 | /* Load INIT1, if needed */ |
| | 706 | tuner_dbg("Load init1 firmware, if exists\n"); |
| | 707 | |
| | 708 | rc = load_firmware(fe, BASE | INIT1 | new_fw.type, &std0); |
| | 709 | if (rc == -ENOENT) |
| | 710 | rc = load_firmware(fe, (BASE | INIT1 | new_fw.type) & ~F8MHZ, |
| | 711 | &std0); |
| | 712 | if (rc < 0 && rc != -ENOENT) { |
| | 713 | tuner_err("Error %d while loading init1 firmware\n", |
| | 714 | rc); |
| | 715 | goto fail; |
| | 716 | } |
| | 717 | |
| | 718 | skip_base: |
| | 719 | /* |
| | 720 | * No need to reload standard specific firmware if base firmware |
| | 721 | * was not reloaded and requested video standards have not changed. |
| | 722 | */ |
| | 723 | if (priv->cur_fw.type == (BASE | new_fw.type) && |
| | 724 | priv->cur_fw.std_req == std) { |
| | 725 | tuner_dbg("Std-specific firmware already loaded.\n"); |
| | 726 | goto skip_std_specific; |
| | 727 | } |
| | 728 | |
| | 729 | /* Reloading std-specific firmware forces a SCODE update */ |
| | 730 | priv->cur_fw.scode_table = 0; |
| | 731 | |
| | 732 | /* Add audio hack to std mask */ |
| | 733 | if (new_mode == T_ANALOG_TV) |
| | 734 | new_fw.id |= parse_audio_std_option(); |
| | 735 | |
| | 736 | rc = load_firmware(fe, new_fw.type, &new_fw.id); |
| | 737 | if (rc < 0) |
| | 738 | goto fail; |
| | 739 | |
| | 740 | skip_std_specific: |
| | 741 | if (priv->cur_fw.scode_table == new_fw.scode_table && |
| | 742 | priv->cur_fw.scode_nr == new_fw.scode_nr) { |
| | 743 | tuner_dbg("SCODE firmware already loaded.\n"); |
| | 744 | goto check_device; |
| | 745 | } |
| | 746 | |
| | 747 | /* Load SCODE firmware, if exists */ |
| | 748 | tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr); |
| | 749 | |
| | 750 | rc = load_scode(fe, new_fw.type | new_fw.scode_table, |
| | 751 | &new_fw.id, new_fw.scode_nr); |
| | 752 | |
| | 753 | check_device: |
| | 754 | if (xc2028_get_reg(priv, 0x0004, &version) < 0 || |
| | 755 | xc2028_get_reg(priv, 0x0008, &hwmodel) < 0) { |
| | 756 | tuner_err("Unable to read tuner registers.\n"); |
| | 757 | goto fail; |
| | 758 | } |
| | 759 | |
| | 760 | tuner_info("Device is Xceive %d version %d.%d, " |
| | 761 | "firmware version %d.%d\n", |
| | 762 | hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8, |
| | 763 | (version & 0xf0) >> 4, version & 0xf); |
| | 764 | |
| | 765 | /* Check firmware version against what we downloaded. */ |
| | 766 | if (priv->firm_version != ((version & 0xf0) << 4 | (version & 0x0f))) { |
| | 767 | tuner_err("Incorrect readback of firmware version.\n"); |
| | 768 | goto fail; |
| | 769 | } |
| | 770 | |
| | 771 | /* Check that the tuner hardware model remains consistent over time. */ |
| | 772 | if (priv->hwmodel == 0 && (hwmodel == 2028 || hwmodel == 3028)) { |
| | 773 | priv->hwmodel = hwmodel; |
| | 774 | priv->hwvers = version & 0xff00; |
| | 775 | } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel || |
| | 776 | priv->hwvers != (version & 0xff00)) { |
| | 777 | tuner_err("Read invalid device hardware information - tuner " |
| | 778 | "hung?\n"); |
| | 779 | goto fail; |
| | 780 | } |
| | 781 | |
| | 782 | memcpy(&priv->cur_fw, &new_fw, sizeof(priv->cur_fw)); |
| | 783 | |
| | 784 | /* |
| | 785 | * By setting BASE in cur_fw.type only after successfully loading all |
| | 786 | * firmwares, we can: |
| | 787 | * 1. Identify that BASE firmware with type=0 has been loaded; |
| | 788 | * 2. Tell whether BASE firmware was just changed the next time through. |
| | 789 | */ |
| | 790 | priv->cur_fw.type |= BASE; |
| | 791 | |
| | 792 | return 0; |
| | 793 | |
| | 794 | fail: |
| | 795 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); |
| | 796 | if (!is_retry) { |
| | 797 | msleep(50); |
| | 798 | is_retry = 1; |
| | 799 | tuner_dbg("Retrying firmware load\n"); |
| | 800 | goto retry; |
| | 801 | } |
| | 802 | |
| | 803 | if (rc == -ENOENT) |
| | 804 | rc = -EINVAL; |
| | 805 | return rc; |
| | 806 | } |
| | 807 | |
| | 808 | static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) |
| | 809 | { |
| | 810 | struct xc2028_data *priv = fe->tuner_priv; |
| | 811 | u16 frq_lock, signal = 0; |
| | 812 | int rc; |
| | 813 | |
| | 814 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 815 | |
| | 816 | mutex_lock(&priv->lock); |
| | 817 | |
| | 818 | /* Sync Lock Indicator */ |
| | 819 | rc = xc2028_get_reg(priv, 0x0002, &frq_lock); |
| | 820 | if (rc < 0 || frq_lock == 0) |
| | 821 | goto ret; |
| | 822 | |
| | 823 | /* Frequency is locked. Return signal quality */ |
| | 824 | |
| | 825 | /* Get SNR of the video signal */ |
| | 826 | rc = xc2028_get_reg(priv, 0x0040, &signal); |
| | 827 | if (rc < 0) |
| | 828 | signal = -frq_lock; |
| | 829 | |
| | 830 | ret: |
| | 831 | mutex_unlock(&priv->lock); |
| | 832 | |
| | 833 | *strength = signal; |
| | 834 | |
| | 835 | return rc; |
| | 836 | } |
| | 837 | |
| | 838 | #define DIV 15625 |
| | 839 | |
| | 840 | static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */ , |
| | 841 | enum tuner_mode new_mode, |
| | 842 | v4l2_std_id std, fe_bandwidth_t bandwidth) |
| | 843 | { |
| | 844 | struct xc2028_data *priv = fe->tuner_priv; |
| | 845 | int rc = -EINVAL; |
| | 846 | unsigned char buf[4]; |
| | 847 | u32 div, offset = 0; |
| | 848 | |
| | 849 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 850 | |
| | 851 | mutex_lock(&priv->lock); |
| | 852 | |
| | 853 | /* HACK: It seems that specific firmware need to be reloaded |
| | 854 | when watching analog TV and freq is changed */ |
| | 855 | if (new_mode != T_DIGITAL_TV) |
| | 856 | priv->cur_fw.type = 0; |
| | 857 | |
| | 858 | tuner_dbg("should set frequency %d kHz\n", freq / 1000); |
| | 859 | |
| | 860 | if (check_firmware(fe, new_mode, std, bandwidth) < 0) |
| | 861 | goto ret; |
| | 862 | |
| | 863 | if (new_mode == T_DIGITAL_TV) { |
| | 864 | offset = 2750000; |
| | 865 | if (priv->cur_fw.type & DTV7) |
| | 866 | offset -= 500000; |
| | 867 | } |
| | 868 | |
| | 869 | div = (freq - offset + DIV / 2) / DIV; |
| | 870 | |
| | 871 | /* CMD= Set frequency */ |
| | 872 | if (priv->firm_version < 0x0202) |
| | 873 | rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00}); |
| | 874 | else |
| | 875 | rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00}); |
| | 876 | if (rc < 0) |
| | 877 | goto ret; |
| | 878 | |
| | 879 | rc = priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1); |
| | 880 | if (rc < 0) |
| | 881 | goto ret; |
| | 882 | |
| | 883 | msleep(10); |
| | 884 | |
| | 885 | buf[0] = 0xff & (div >> 24); |
| | 886 | buf[1] = 0xff & (div >> 16); |
| | 887 | buf[2] = 0xff & (div >> 8); |
| | 888 | buf[3] = 0xff & (div); |
| | 889 | |
| | 890 | rc = i2c_send(priv, buf, sizeof(buf)); |
| | 891 | if (rc < 0) |
| | 892 | goto ret; |
| | 893 | msleep(100); |
| | 894 | |
| | 895 | priv->frequency = freq; |
| | 896 | |
| | 897 | tuner_dbg("divisor= %02x %02x %02x %02x (freq=%d.%03d)\n", |
| | 898 | buf[0], buf[1], buf[2], buf[3], |
| | 899 | freq / 1000000, (freq % 1000000) / 1000); |
| | 900 | |
| | 901 | rc = 0; |
| | 902 | |
| | 903 | ret: |
| | 904 | mutex_unlock(&priv->lock); |
| | 905 | |
| | 906 | return rc; |
| | 907 | } |
| | 908 | |
| | 909 | static int xc2028_set_tv_freq(struct dvb_frontend *fe, |
| | 910 | struct analog_parameters *p) |
| | 911 | { |
| | 912 | struct xc2028_data *priv = fe->tuner_priv; |
| | 913 | fe_bandwidth_t bw; |
| | 914 | |
| | 915 | /* FIXME: Maybe there are more 6 MHz video standards */ |
| | 916 | if (p->std & V4L2_STD_MN) |
| | 917 | bw = BANDWIDTH_6_MHZ; |
| | 918 | else |
| | 919 | bw = BANDWIDTH_8_MHZ; |
| | 920 | |
| | 921 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 922 | |
| | 923 | return generic_set_tv_freq(fe, 62500l * p->frequency, T_ANALOG_TV, |
| | 924 | p->std, bw); |
| | 925 | } |
| | 926 | |
| | 927 | static int xc2028_set_params(struct dvb_frontend *fe, |
| | 928 | struct dvb_frontend_parameters *p) |
| | 929 | { |
| | 930 | struct xc2028_data *priv = fe->tuner_priv; |
| | 931 | |
| | 932 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 933 | |
| | 934 | /* FIXME: Only OFDM implemented */ |
| | 935 | if (fe->ops.info.type != FE_OFDM) { |
| | 936 | tuner_err("DTV type not implemented.\n"); |
| | 937 | return -EINVAL; |
| | 938 | } |
| | 939 | |
| | 940 | return generic_set_tv_freq(fe, p->frequency, T_DIGITAL_TV, |
| | 941 | 0 /* NOT USED */, |
| | 942 | p->u.ofdm.bandwidth); |
| | 943 | |
| | 944 | } |
| | 945 | |
| | 946 | static int xc2028_sleep(struct dvb_frontend *fe) |
| | 947 | { |
| | 948 | struct xc2028_data *priv = fe->tuner_priv; |
| | 949 | int rc = 0; |
| | 950 | |
| | 951 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 952 | |
| | 953 | mutex_lock(&priv->lock); |
| | 954 | |
| | 955 | if (priv->firm_version < 0x0202) |
| | 956 | rc = send_seq(priv, {0x00, 0x08, 0x00, 0x00}); |
| | 957 | else |
| | 958 | rc = send_seq(priv, {0x80, 0x08, 0x00, 0x00}); |
| | 959 | |
| | 960 | priv->cur_fw.type = 0; /* need firmware reload */ |
| | 961 | |
| | 962 | mutex_unlock(&priv->lock); |
| | 963 | |
| | 964 | return rc; |
| | 965 | } |
| | 966 | |
| | 967 | |
| | 968 | static int xc2028_dvb_release(struct dvb_frontend *fe) |
| | 969 | { |
| | 970 | struct xc2028_data *priv = fe->tuner_priv; |
| | 971 | |
| | 972 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 973 | |
| | 974 | mutex_lock(&xc2028_list_mutex); |
| | 975 | |
| | 976 | priv->count--; |
| | 977 | |
| | 978 | if (!priv->count) { |
| | 979 | list_del(&priv->xc2028_list); |
| | 980 | |
| | 981 | kfree(priv->ctrl.fname); |
| | 982 | |
| | 983 | free_firmware(priv); |
| | 984 | kfree(priv); |
| | 985 | fe->tuner_priv = NULL; |
| | 986 | } |
| | 987 | |
| | 988 | mutex_unlock(&xc2028_list_mutex); |
| | 989 | |
| | 990 | return 0; |
| | 991 | } |
| | 992 | |
| | 993 | static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
| | 994 | { |
| | 995 | struct xc2028_data *priv = fe->tuner_priv; |
| | 996 | |
| | 997 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 998 | |
| | 999 | *frequency = priv->frequency; |
| | 1000 | |
| | 1001 | return 0; |
| | 1002 | } |
| | 1003 | |
| | 1004 | static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg) |
| | 1005 | { |
| | 1006 | struct xc2028_data *priv = fe->tuner_priv; |
| | 1007 | struct xc2028_ctrl *p = priv_cfg; |
| | 1008 | int rc = 0; |
| | 1009 | |
| | 1010 | tuner_dbg("%s called\n", __FUNCTION__); |
| | 1011 | |
| | 1012 | mutex_lock(&priv->lock); |
| | 1013 | |
| | 1014 | kfree(priv->ctrl.fname); |
| | 1015 | free_firmware(priv); |
| | 1016 | |
| | 1017 | memcpy(&priv->ctrl, p, sizeof(priv->ctrl)); |
| | 1018 | priv->ctrl.fname = NULL; |
| | 1019 | |
| | 1020 | if (p->fname) { |
| | 1021 | priv->ctrl.fname = kstrdup(p->fname, GFP_KERNEL); |
| | 1022 | if (priv->ctrl.fname == NULL) |
| | 1023 | rc = -ENOMEM; |
| | 1024 | } |
| | 1025 | |
| | 1026 | if (priv->ctrl.max_len < 9) |
| | 1027 | priv->ctrl.max_len = 13; |
| | 1028 | |
| | 1029 | mutex_unlock(&priv->lock); |
| | 1030 | |
| | 1031 | return rc; |
| | 1032 | } |
| | 1033 | |
| | 1034 | static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = { |
| | 1035 | .info = { |
| | 1036 | .name = "Xceive XC3028", |
| | 1037 | .frequency_min = 42000000, |
| | 1038 | .frequency_max = 864000000, |
| | 1039 | .frequency_step = 50000, |
| | 1040 | }, |
| | 1041 | |
| | 1042 | .set_config = xc2028_set_config, |
| | 1043 | .set_analog_params = xc2028_set_tv_freq, |
| | 1044 | .release = xc2028_dvb_release, |
| | 1045 | .get_frequency = xc2028_get_frequency, |
| | 1046 | .get_rf_strength = xc2028_signal, |
| | 1047 | .set_params = xc2028_set_params, |
| | 1048 | .sleep = xc2028_sleep, |
| | 1049 | |
| | 1050 | }; |
| | 1051 | |
| | 1052 | void *xc2028_attach(struct dvb_frontend *fe, struct xc2028_config *cfg) |
| | 1053 | { |
| | 1054 | struct xc2028_data *priv; |
| | 1055 | void *video_dev; |
| | 1056 | |
| | 1057 | if (debug) |
| | 1058 | printk(KERN_DEBUG PREFIX ": Xcv2028/3028 init called!\n"); |
| | 1059 | |
| | 1060 | if (NULL == cfg->video_dev) |
| | 1061 | return NULL; |
| | 1062 | |
| | 1063 | if (!fe) { |
| | 1064 | printk(KERN_ERR PREFIX ": No frontend!\n"); |
| | 1065 | return NULL; |
| | 1066 | } |
| | 1067 | |
| | 1068 | video_dev = cfg->video_dev; |
| | 1069 | |
| | 1070 | mutex_lock(&xc2028_list_mutex); |
| | 1071 | |
| | 1072 | list_for_each_entry(priv, &xc2028_list, xc2028_list) { |
| | 1073 | if (priv->video_dev == cfg->video_dev) { |
| | 1074 | video_dev = NULL; |
| | 1075 | break; |
| | 1076 | } |
| | 1077 | } |
| | 1078 | |
| | 1079 | if (video_dev) { |
| | 1080 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
| | 1081 | if (priv == NULL) { |
| | 1082 | mutex_unlock(&xc2028_list_mutex); |
| | 1083 | return NULL; |
| | 1084 | } |
| | 1085 | |
| | 1086 | priv->i2c_props.addr = cfg->i2c_addr; |
| | 1087 | priv->i2c_props.adap = cfg->i2c_adap; |
| | 1088 | priv->video_dev = video_dev; |
| | 1089 | priv->tuner_callback = cfg->callback; |
| | 1090 | priv->ctrl.max_len = 13; |
| | 1091 | |
| | 1092 | mutex_init(&priv->lock); |
| | 1093 | |
| | 1094 | list_add_tail(&priv->xc2028_list, &xc2028_list); |
| | 1095 | } |
| | 1096 | |
| | 1097 | fe->tuner_priv = priv; |
| | 1098 | priv->count++; |
| | 1099 | |
| | 1100 | memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops, |
| | 1101 | sizeof(xc2028_dvb_tuner_ops)); |
| | 1102 | |
| | 1103 | tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner"); |
| | 1104 | |
| | 1105 | mutex_unlock(&xc2028_list_mutex); |
| | 1106 | |
| | 1107 | return fe; |
| | 1108 | } |
| | 1109 | |
| | 1110 | EXPORT_SYMBOL(xc2028_attach); |
| | 1111 | |
| | 1112 | MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver"); |
| | 1113 | MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>"); |
| | 1114 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
| | 1115 | MODULE_LICENSE("GPL"); |
projects / deliverable / linux.git / blame_incremental