Commit | Line | Data |
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6cb45879 MCC |
1 | /* tuner-xc2028 |
2 | * | |
3 | * Copyright (c) 2007 Mauro Carvalho Chehab (mchehab@infradead.org) | |
983d214e | 4 | * |
701672eb ML |
5 | * Copyright (c) 2007 Michel Ludwig (michel.ludwig@gmail.com) |
6 | * - frontend interface | |
983d214e | 7 | * |
6cb45879 MCC |
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> | |
ab0b9fc6 | 14 | #include <linux/videodev2.h> |
6cb45879 | 15 | #include <linux/delay.h> |
701672eb | 16 | #include <media/tuner.h> |
3b20532c | 17 | #include <linux/mutex.h> |
215b95ba | 18 | #include "tuner-i2c.h" |
6cb45879 | 19 | #include "tuner-xc2028.h" |
de3fe21b | 20 | #include "tuner-xc2028-types.h" |
6cb45879 | 21 | |
701672eb ML |
22 | #include <linux/dvb/frontend.h> |
23 | #include "dvb_frontend.h" | |
24 | ||
ef8c1888 | 25 | |
9dd659de | 26 | #define PREFIX "xc2028" |
215b95ba | 27 | |
83fb340b MCC |
28 | static int debug; |
29 | module_param(debug, int, 0644); | |
30 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); | |
31 | ||
a82200fb MCC |
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 | ||
215b95ba | 46 | static LIST_HEAD(xc2028_list); |
aa501be9 CP |
47 | static DEFINE_MUTEX(xc2028_list_mutex); |
48 | ||
de3fe21b MCC |
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 | }; | |
6cb45879 | 56 | |
e0f0b37a CP |
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 | ||
6cb45879 | 65 | struct xc2028_data { |
215b95ba MCC |
66 | struct list_head xc2028_list; |
67 | struct tuner_i2c_props i2c_props; | |
68 | int (*tuner_callback) (void *dev, | |
69 | int command, int arg); | |
215b95ba MCC |
70 | void *video_dev; |
71 | int count; | |
de3fe21b MCC |
72 | __u32 frequency; |
73 | ||
74 | struct firmware_description *firm; | |
75 | int firm_size; | |
06fd82dc | 76 | __u16 firm_version; |
de3fe21b | 77 | |
8bf799a6 CP |
78 | __u16 hwmodel; |
79 | __u16 hwvers; | |
80 | ||
de3fe21b | 81 | struct xc2028_ctrl ctrl; |
215b95ba | 82 | |
e0f0b37a | 83 | struct firmware_properties cur_fw; |
215b95ba MCC |
84 | |
85 | struct mutex lock; | |
6cb45879 MCC |
86 | }; |
87 | ||
47cc5b78 CP |
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) \ | |
83fb340b | 101 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ |
47cc5b78 CP |
102 | _rc, (int)size); \ |
103 | _rc; \ | |
104 | }) | |
ab0b9fc6 | 105 | |
7d58d111 CP |
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 | ||
47cc5b78 | 116 | #define send_seq(priv, data...) ({ \ |
215b95ba | 117 | static u8 _val[] = data; \ |
47cc5b78 | 118 | int _rc; \ |
6cb45879 | 119 | if (sizeof(_val) != \ |
47cc5b78 | 120 | (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \ |
215b95ba | 121 | _val, sizeof(_val)))) { \ |
47cc5b78 CP |
122 | tuner_err("Error on line %d: %d\n", __LINE__, _rc); \ |
123 | } else \ | |
124 | msleep(10); \ | |
125 | _rc; \ | |
126 | }) | |
6cb45879 | 127 | |
7d58d111 | 128 | static unsigned int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val) |
6cb45879 | 129 | { |
b873e1a3 | 130 | unsigned char buf[2]; |
7d58d111 | 131 | unsigned char ibuf[2]; |
215b95ba | 132 | |
7d58d111 | 133 | tuner_dbg("%s %04x called\n", __FUNCTION__, reg); |
6cb45879 | 134 | |
7d58d111 | 135 | buf[0] = reg >> 8; |
80b52208 | 136 | buf[1] = (unsigned char) reg; |
6cb45879 | 137 | |
7d58d111 CP |
138 | if (i2c_send_recv(priv, buf, 2, ibuf, 2) != 2) |
139 | return -EIO; | |
6cb45879 | 140 | |
7d58d111 CP |
141 | *val = (ibuf[1]) | (ibuf[0] << 8); |
142 | return 0; | |
6cb45879 MCC |
143 | } |
144 | ||
43efe702 MCC |
145 | void dump_firm_type(unsigned int type) |
146 | { | |
147 | if (type & BASE) | |
148 | printk("BASE "); | |
f380e1d2 MCC |
149 | if (type & INIT1) |
150 | printk("INIT1 "); | |
43efe702 MCC |
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 | ||
ef8c1888 | 209 | static v4l2_std_id parse_audio_std_option(void) |
a82200fb | 210 | { |
e155d908 | 211 | if (strcasecmp(audio_std, "A2") == 0) |
a82200fb | 212 | return V4L2_STD_A2; |
e155d908 | 213 | if (strcasecmp(audio_std, "A2/A") == 0) |
a82200fb | 214 | return V4L2_STD_A2_A; |
e155d908 | 215 | if (strcasecmp(audio_std, "A2/B") == 0) |
a82200fb | 216 | return V4L2_STD_A2_B; |
e155d908 | 217 | if (strcasecmp(audio_std, "NICAM") == 0) |
a82200fb | 218 | return V4L2_STD_NICAM; |
e155d908 | 219 | if (strcasecmp(audio_std, "NICAM/A") == 0) |
a82200fb | 220 | return V4L2_STD_NICAM_A; |
e155d908 | 221 | if (strcasecmp(audio_std, "NICAM/B") == 0) |
a82200fb MCC |
222 | return V4L2_STD_NICAM_B; |
223 | ||
224 | return 0; | |
225 | } | |
226 | ||
ab0b9fc6 | 227 | static void free_firmware(struct xc2028_data *priv) |
6cb45879 | 228 | { |
de3fe21b MCC |
229 | int i; |
230 | ||
231 | if (!priv->firm) | |
232 | return; | |
233 | ||
ab0b9fc6 MCC |
234 | for (i = 0; i < priv->firm_size; i++) |
235 | kfree(priv->firm[i].ptr); | |
236 | ||
de3fe21b MCC |
237 | kfree(priv->firm); |
238 | ||
ab0b9fc6 | 239 | priv->firm = NULL; |
06fd82dc | 240 | priv->firm_size = 0; |
e0f0b37a CP |
241 | |
242 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
de3fe21b MCC |
243 | } |
244 | ||
ab0b9fc6 | 245 | static int load_all_firmwares(struct dvb_frontend *fe) |
de3fe21b MCC |
246 | { |
247 | struct xc2028_data *priv = fe->tuner_priv; | |
ab0b9fc6 | 248 | const struct firmware *fw = NULL; |
6cb45879 | 249 | unsigned char *p, *endp; |
ab0b9fc6 MCC |
250 | int rc = 0; |
251 | int n, n_array; | |
de3fe21b | 252 | char name[33]; |
6cb45879 | 253 | |
83fb340b | 254 | tuner_dbg("%s called\n", __FUNCTION__); |
215b95ba | 255 | |
06fd82dc | 256 | tuner_dbg("Reading firmware %s\n", priv->ctrl.fname); |
a37b4c9b ML |
257 | rc = request_firmware(&fw, priv->ctrl.fname, |
258 | &priv->i2c_props.adap->dev); | |
6cb45879 | 259 | if (rc < 0) { |
ab0b9fc6 | 260 | if (rc == -ENOENT) |
83fb340b | 261 | tuner_err("Error: firmware %s not found.\n", |
de3fe21b | 262 | priv->ctrl.fname); |
2e4160ca | 263 | else |
83fb340b | 264 | tuner_err("Error %d while requesting firmware %s \n", |
de3fe21b | 265 | rc, priv->ctrl.fname); |
2e4160ca | 266 | |
6cb45879 MCC |
267 | return rc; |
268 | } | |
ab0b9fc6 MCC |
269 | p = fw->data; |
270 | endp = p + fw->size; | |
6cb45879 | 271 | |
06fd82dc CP |
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; | |
6cb45879 | 276 | } |
de3fe21b | 277 | |
ab0b9fc6 MCC |
278 | memcpy(name, p, sizeof(name) - 1); |
279 | name[sizeof(name) - 1] = 0; | |
280 | p += sizeof(name) - 1; | |
de3fe21b | 281 | |
06fd82dc | 282 | priv->firm_version = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
283 | p += 2; |
284 | ||
ab0b9fc6 | 285 | n_array = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
286 | p += 2; |
287 | ||
06fd82dc CP |
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); | |
de3fe21b | 291 | |
ab0b9fc6 | 292 | priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); |
06fd82dc CP |
293 | if (priv->firm == NULL) { |
294 | tuner_err("Not enough memory to load firmware file.\n"); | |
ab0b9fc6 | 295 | rc = -ENOMEM; |
06fd82dc | 296 | goto err; |
6cb45879 | 297 | } |
de3fe21b | 298 | priv->firm_size = n_array; |
06fd82dc | 299 | |
ab0b9fc6 MCC |
300 | n = -1; |
301 | while (p < endp) { | |
de3fe21b MCC |
302 | __u32 type, size; |
303 | v4l2_std_id id; | |
304 | ||
305 | n++; | |
306 | if (n >= n_array) { | |
06fd82dc CP |
307 | tuner_err("More firmware images in file than " |
308 | "were expected!\n"); | |
de3fe21b MCC |
309 | goto corrupt; |
310 | } | |
311 | ||
312 | /* Checks if there's enough bytes to read */ | |
ab0b9fc6 | 313 | if (p + sizeof(type) + sizeof(id) + sizeof(size) > endp) { |
83fb340b | 314 | tuner_err("Firmware header is incomplete!\n"); |
de3fe21b MCC |
315 | goto corrupt; |
316 | } | |
317 | ||
ab0b9fc6 | 318 | type = le32_to_cpu(*(__u32 *) p); |
de3fe21b MCC |
319 | p += sizeof(type); |
320 | ||
ab0b9fc6 | 321 | id = le64_to_cpu(*(v4l2_std_id *) p); |
de3fe21b MCC |
322 | p += sizeof(id); |
323 | ||
2fc580ff | 324 | size = le32_to_cpu(*(__u32 *) p); |
de3fe21b MCC |
325 | p += sizeof(size); |
326 | ||
ab0b9fc6 | 327 | if ((!size) || (size + p > endp)) { |
83fb340b | 328 | tuner_err("Firmware type "); |
43efe702 | 329 | dump_firm_type(type); |
ef8c1888 MCC |
330 | printk("(%x), id %llx is corrupted " |
331 | "(size=%d, expected %d)\n", | |
91240dd9 | 332 | type, (unsigned long long)id, |
ef8c1888 | 333 | (unsigned)(endp - p), size); |
de3fe21b MCC |
334 | goto corrupt; |
335 | } | |
336 | ||
ab0b9fc6 | 337 | priv->firm[n].ptr = kzalloc(size, GFP_KERNEL); |
06fd82dc CP |
338 | if (priv->firm[n].ptr == NULL) { |
339 | tuner_err("Not enough memory to load firmware file.\n"); | |
ab0b9fc6 | 340 | rc = -ENOMEM; |
de3fe21b MCC |
341 | goto err; |
342 | } | |
06fd82dc CP |
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 | } | |
de3fe21b MCC |
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 | ||
ab0b9fc6 | 358 | if (n + 1 != priv->firm_size) { |
83fb340b | 359 | tuner_err("Firmware file is incomplete!\n"); |
de3fe21b MCC |
360 | goto corrupt; |
361 | } | |
362 | ||
363 | goto done; | |
364 | ||
365 | corrupt: | |
ab0b9fc6 | 366 | rc = -EINVAL; |
83fb340b | 367 | tuner_err("Error: firmware file is corrupted!\n"); |
de3fe21b MCC |
368 | |
369 | err: | |
06fd82dc | 370 | tuner_info("Releasing partially loaded firmware file.\n"); |
de3fe21b MCC |
371 | free_firmware(priv); |
372 | ||
373 | done: | |
374 | release_firmware(fw); | |
06fd82dc CP |
375 | if (rc == 0) |
376 | tuner_dbg("Firmware files loaded.\n"); | |
de3fe21b MCC |
377 | |
378 | return rc; | |
379 | } | |
380 | ||
f380e1d2 MCC |
381 | static int seek_firmware(struct dvb_frontend *fe, unsigned int type, |
382 | v4l2_std_id *id) | |
de3fe21b MCC |
383 | { |
384 | struct xc2028_data *priv = fe->tuner_priv; | |
b1535293 | 385 | int i, best_i = -1, best_nr_matches = 0; |
de3fe21b | 386 | |
b1535293 CP |
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 | } | |
de3fe21b MCC |
392 | |
393 | if (!priv->firm) { | |
83fb340b | 394 | tuner_err("Error! firmware not loaded\n"); |
de3fe21b MCC |
395 | return -EINVAL; |
396 | } | |
397 | ||
f380e1d2 | 398 | if (((type & ~SCODE) == 0) && (*id == 0)) |
ab0b9fc6 | 399 | *id = V4L2_STD_PAL; |
de3fe21b | 400 | |
e0f0b37a CP |
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 = type & DTV_TYPES; | |
407 | ||
de3fe21b | 408 | /* Seek for exact match */ |
ab0b9fc6 MCC |
409 | for (i = 0; i < priv->firm_size; i++) { |
410 | if ((type == priv->firm[i].type) && (*id == priv->firm[i].id)) | |
de3fe21b MCC |
411 | goto found; |
412 | } | |
413 | ||
414 | /* Seek for generic video standard match */ | |
ab0b9fc6 | 415 | for (i = 0; i < priv->firm_size; i++) { |
b1535293 CP |
416 | v4l2_std_id match_mask; |
417 | int nr_matches; | |
418 | ||
419 | if (type != priv->firm[i].type) | |
420 | continue; | |
421 | ||
422 | match_mask = *id & priv->firm[i].id; | |
423 | if (!match_mask) | |
424 | continue; | |
425 | ||
426 | if ((*id & match_mask) == *id) | |
427 | goto found; /* Supports all the requested standards */ | |
428 | ||
429 | nr_matches = hweight64(match_mask); | |
430 | if (nr_matches > best_nr_matches) { | |
431 | best_nr_matches = nr_matches; | |
432 | best_i = i; | |
433 | } | |
434 | } | |
435 | ||
436 | if (best_nr_matches > 0) { | |
437 | tuner_dbg("Selecting best matching firmware (%d bits) for " | |
438 | "type=", best_nr_matches); | |
439 | dump_firm_type(type); | |
440 | printk("(%x), id %016llx:\n", type, (unsigned long long)*id); | |
441 | i = best_i; | |
442 | goto found; | |
de3fe21b MCC |
443 | } |
444 | ||
445 | /*FIXME: Would make sense to seek for type "hint" match ? */ | |
446 | ||
b1535293 | 447 | i = -ENOENT; |
f380e1d2 | 448 | goto ret; |
de3fe21b MCC |
449 | |
450 | found: | |
451 | *id = priv->firm[i].id; | |
de3fe21b | 452 | |
f380e1d2 | 453 | ret: |
b1535293 | 454 | tuner_dbg("%s firmware for type=", (i < 0) ? "Can't find" : "Found"); |
83fb340b MCC |
455 | if (debug) { |
456 | dump_firm_type(type); | |
91240dd9 | 457 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); |
83fb340b | 458 | } |
f380e1d2 MCC |
459 | return i; |
460 | } | |
461 | ||
462 | static int load_firmware(struct dvb_frontend *fe, unsigned int type, | |
463 | v4l2_std_id *id) | |
464 | { | |
465 | struct xc2028_data *priv = fe->tuner_priv; | |
466 | int pos, rc; | |
0a196b6f | 467 | unsigned char *p, *endp, buf[priv->ctrl.max_len]; |
f380e1d2 | 468 | |
83fb340b | 469 | tuner_dbg("%s called\n", __FUNCTION__); |
f380e1d2 MCC |
470 | |
471 | pos = seek_firmware(fe, type, id); | |
472 | if (pos < 0) | |
473 | return pos; | |
474 | ||
83fb340b | 475 | tuner_info("Loading firmware for type="); |
b1535293 CP |
476 | dump_firm_type(priv->firm[pos].type); |
477 | printk("(%x), id %016llx.\n", priv->firm[pos].type, | |
478 | (unsigned long long)*id); | |
83fb340b | 479 | |
f380e1d2 | 480 | p = priv->firm[pos].ptr; |
f380e1d2 | 481 | endp = p + priv->firm[pos].size; |
6cb45879 | 482 | |
ab0b9fc6 | 483 | while (p < endp) { |
de3fe21b MCC |
484 | __u16 size; |
485 | ||
486 | /* Checks if there's enough bytes to read */ | |
ab0b9fc6 | 487 | if (p + sizeof(size) > endp) { |
83fb340b | 488 | tuner_err("Firmware chunk size is wrong\n"); |
de3fe21b MCC |
489 | return -EINVAL; |
490 | } | |
491 | ||
ab0b9fc6 | 492 | size = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
493 | p += sizeof(size); |
494 | ||
495 | if (size == 0xffff) | |
496 | return 0; | |
497 | ||
498 | if (!size) { | |
6cb45879 | 499 | /* Special callback command received */ |
215b95ba | 500 | rc = priv->tuner_callback(priv->video_dev, |
ab0b9fc6 MCC |
501 | XC2028_TUNER_RESET, 0); |
502 | if (rc < 0) { | |
83fb340b | 503 | tuner_err("Error at RESET code %d\n", |
ab0b9fc6 | 504 | (*p) & 0x7f); |
de3fe21b | 505 | return -EINVAL; |
6cb45879 | 506 | } |
6cb45879 MCC |
507 | continue; |
508 | } | |
5403bbae ML |
509 | if (size >= 0xff00) { |
510 | switch (size) { | |
511 | case 0xff00: | |
512 | rc = priv->tuner_callback(priv->video_dev, | |
513 | XC2028_RESET_CLK, 0); | |
514 | if (rc < 0) { | |
515 | tuner_err("Error at RESET code %d\n", | |
516 | (*p) & 0x7f); | |
517 | return -EINVAL; | |
518 | } | |
b32f9fb9 | 519 | break; |
5403bbae ML |
520 | default: |
521 | tuner_info("Invalid RESET code %d\n", | |
522 | size & 0x7f); | |
523 | return -EINVAL; | |
524 | ||
525 | } | |
2d4c0ac6 | 526 | continue; |
5403bbae | 527 | } |
de3fe21b MCC |
528 | |
529 | /* Checks for a sleep command */ | |
530 | if (size & 0x8000) { | |
ab0b9fc6 | 531 | msleep(size & 0x7fff); |
de3fe21b | 532 | continue; |
6cb45879 MCC |
533 | } |
534 | ||
de3fe21b | 535 | if ((size + p > endp)) { |
83fb340b | 536 | tuner_err("missing bytes: need %d, have %d\n", |
ab0b9fc6 | 537 | size, (int)(endp - p)); |
de3fe21b MCC |
538 | return -EINVAL; |
539 | } | |
6cb45879 | 540 | |
de3fe21b | 541 | buf[0] = *p; |
6cb45879 | 542 | p++; |
de3fe21b | 543 | size--; |
6cb45879 | 544 | |
de3fe21b | 545 | /* Sends message chunks */ |
ab0b9fc6 | 546 | while (size > 0) { |
0a196b6f CP |
547 | int len = (size < priv->ctrl.max_len - 1) ? |
548 | size : priv->ctrl.max_len - 1; | |
6cb45879 | 549 | |
ab0b9fc6 | 550 | memcpy(buf + 1, p, len); |
6cb45879 | 551 | |
47cc5b78 | 552 | rc = i2c_send(priv, buf, len + 1); |
ab0b9fc6 | 553 | if (rc < 0) { |
83fb340b | 554 | tuner_err("%d returned from send\n", rc); |
de3fe21b MCC |
555 | return -EINVAL; |
556 | } | |
557 | ||
558 | p += len; | |
559 | size -= len; | |
560 | } | |
561 | } | |
43efe702 | 562 | return 0; |
6cb45879 MCC |
563 | } |
564 | ||
f380e1d2 MCC |
565 | static int load_scode(struct dvb_frontend *fe, unsigned int type, |
566 | v4l2_std_id *id, int scode) | |
567 | { | |
568 | struct xc2028_data *priv = fe->tuner_priv; | |
569 | int pos, rc; | |
570 | unsigned char *p; | |
571 | ||
83fb340b | 572 | tuner_dbg("%s called\n", __FUNCTION__); |
f380e1d2 MCC |
573 | |
574 | pos = seek_firmware(fe, type, id); | |
575 | if (pos < 0) | |
576 | return pos; | |
577 | ||
578 | p = priv->firm[pos].ptr; | |
579 | ||
d7b22c5c CP |
580 | /* 16 SCODE entries per file; each SCODE entry is 12 bytes and |
581 | * has a 2-byte size header in the firmware format. */ | |
582 | if (priv->firm[pos].size != 14 * 16 || scode >= 16 || | |
583 | le16_to_cpu(*(__u16 *)(p + 14 * scode)) != 12) | |
f380e1d2 MCC |
584 | return -EINVAL; |
585 | ||
d7b22c5c CP |
586 | tuner_info("Loading SCODE for type="); |
587 | dump_firm_type(priv->firm[pos].type); | |
588 | printk("(%x), id %016llx.\n", priv->firm[pos].type, | |
589 | (unsigned long long)*id); | |
590 | ||
06fd82dc | 591 | if (priv->firm_version < 0x0202) |
47cc5b78 CP |
592 | rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00}); |
593 | else | |
594 | rc = send_seq(priv, {0xa0, 0x00, 0x00, 0x00}); | |
595 | if (rc < 0) | |
596 | return -EIO; | |
f380e1d2 | 597 | |
d7b22c5c | 598 | rc = i2c_send(priv, p + 14 * scode + 2, 12); |
47cc5b78 CP |
599 | if (rc < 0) |
600 | return -EIO; | |
f380e1d2 | 601 | |
47cc5b78 CP |
602 | rc = send_seq(priv, {0x00, 0x8c}); |
603 | if (rc < 0) | |
604 | return -EIO; | |
f380e1d2 MCC |
605 | |
606 | return 0; | |
607 | } | |
608 | ||
215b95ba | 609 | static int check_firmware(struct dvb_frontend *fe, enum tuner_mode new_mode, |
ab0b9fc6 | 610 | v4l2_std_id std, fe_bandwidth_t bandwidth) |
6cb45879 | 611 | { |
215b95ba | 612 | struct xc2028_data *priv = fe->tuner_priv; |
8bf799a6 | 613 | int rc = 0, is_retry = 0; |
e0f0b37a CP |
614 | unsigned int type = 0; |
615 | struct firmware_properties new_fw; | |
7d58d111 | 616 | u16 version, hwmodel; |
6cb45879 | 617 | |
83fb340b | 618 | tuner_dbg("%s called\n", __FUNCTION__); |
6cb45879 | 619 | |
de3fe21b | 620 | if (!priv->firm) { |
a37b4c9b ML |
621 | if (!priv->ctrl.fname) { |
622 | tuner_info("xc2028/3028 firmware name not set!\n"); | |
de3fe21b | 623 | return -EINVAL; |
a37b4c9b | 624 | } |
de3fe21b | 625 | |
ab0b9fc6 MCC |
626 | rc = load_all_firmwares(fe); |
627 | if (rc < 0) | |
de3fe21b MCC |
628 | return rc; |
629 | } | |
630 | ||
e0f0b37a CP |
631 | if (priv->ctrl.type == XC2028_FIRM_MTS) |
632 | type |= MTS; | |
633 | if (bandwidth == BANDWIDTH_7_MHZ || bandwidth == BANDWIDTH_8_MHZ) | |
634 | type |= F8MHZ; | |
701672eb | 635 | |
e0f0b37a | 636 | /* FIXME: How to load FM and FM|INPUT1 firmwares? */ |
701672eb | 637 | |
e0f0b37a | 638 | if (new_mode == T_DIGITAL_TV) { |
59a636e5 CP |
639 | if (priv->ctrl.d2633) |
640 | type |= D2633; | |
641 | else | |
642 | type |= D2620; | |
de3fe21b | 643 | |
ab0b9fc6 | 644 | switch (bandwidth) { |
de3fe21b MCC |
645 | case BANDWIDTH_8_MHZ: |
646 | type |= DTV8; | |
701672eb | 647 | break; |
de3fe21b MCC |
648 | case BANDWIDTH_7_MHZ: |
649 | type |= DTV7; | |
701672eb | 650 | break; |
de3fe21b MCC |
651 | case BANDWIDTH_6_MHZ: |
652 | /* FIXME: Should allow select also ATSC */ | |
43efe702 | 653 | type |= DTV6 | QAM; |
701672eb | 654 | break; |
de3fe21b | 655 | default: |
83fb340b | 656 | tuner_err("error: bandwidth not supported.\n"); |
701672eb | 657 | }; |
6cb45879 MCC |
658 | } |
659 | ||
8bf799a6 | 660 | retry: |
e0f0b37a CP |
661 | new_fw.type = type; |
662 | new_fw.id = std; | |
663 | new_fw.std_req = std; | |
664 | new_fw.scode_table = SCODE | priv->ctrl.scode_table; | |
665 | new_fw.scode_nr = 0; | |
666 | ||
667 | tuner_dbg("checking firmware, user requested type="); | |
668 | if (debug) { | |
669 | dump_firm_type(new_fw.type); | |
670 | printk("(%x), id %016llx, scode_tbl ", new_fw.type, | |
671 | (unsigned long long)new_fw.std_req); | |
672 | dump_firm_type(priv->ctrl.scode_table); | |
673 | printk("(%x), scode_nr %d\n", priv->ctrl.scode_table, | |
674 | new_fw.scode_nr); | |
675 | } | |
676 | ||
677 | /* No need to reload base firmware if it matches */ | |
678 | if (((BASE | new_fw.type) & BASE_TYPES) == | |
679 | (priv->cur_fw.type & BASE_TYPES)) { | |
680 | tuner_dbg("BASE firmware not changed.\n"); | |
681 | goto skip_base; | |
682 | } | |
683 | ||
684 | /* Updating BASE - forget about all currently loaded firmware */ | |
685 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
686 | ||
687 | /* Reset is needed before loading firmware */ | |
688 | rc = priv->tuner_callback(priv->video_dev, | |
689 | XC2028_TUNER_RESET, 0); | |
690 | if (rc < 0) | |
691 | goto fail; | |
692 | ||
693 | rc = load_firmware(fe, BASE | new_fw.type, &new_fw.id); | |
694 | if (rc < 0) { | |
695 | tuner_err("Error %d while loading base firmware\n", | |
696 | rc); | |
697 | goto fail; | |
698 | } | |
5403bbae | 699 | |
de3fe21b | 700 | /* Load INIT1, if needed */ |
83fb340b | 701 | tuner_dbg("Load init1 firmware, if exists\n"); |
de3fe21b | 702 | |
e0f0b37a CP |
703 | rc = load_firmware(fe, BASE | INIT1 | new_fw.type, &new_fw.id); |
704 | if (rc < 0 && rc != -ENOENT) { | |
705 | tuner_err("Error %d while loading init1 firmware\n", | |
706 | rc); | |
707 | goto fail; | |
708 | } | |
de3fe21b | 709 | |
e0f0b37a CP |
710 | skip_base: |
711 | /* | |
712 | * No need to reload standard specific firmware if base firmware | |
713 | * was not reloaded and requested video standards have not changed. | |
de3fe21b | 714 | */ |
e0f0b37a CP |
715 | if (priv->cur_fw.type == (BASE | new_fw.type) && |
716 | priv->cur_fw.std_req == std) { | |
83fb340b | 717 | tuner_dbg("Std-specific firmware already loaded.\n"); |
e0f0b37a | 718 | goto skip_std_specific; |
2e4160ca | 719 | } |
6cb45879 | 720 | |
e0f0b37a CP |
721 | /* Reloading std-specific firmware forces a SCODE update */ |
722 | priv->cur_fw.scode_table = 0; | |
723 | ||
a82200fb | 724 | /* Add audio hack to std mask */ |
e0f0b37a CP |
725 | if (new_mode == T_ANALOG_TV) |
726 | new_fw.id |= parse_audio_std_option(); | |
a82200fb | 727 | |
e0f0b37a | 728 | rc = load_firmware(fe, new_fw.type, &new_fw.id); |
ab0b9fc6 | 729 | if (rc < 0) |
e0f0b37a CP |
730 | goto fail; |
731 | ||
732 | skip_std_specific: | |
733 | if (priv->cur_fw.scode_table == new_fw.scode_table && | |
734 | priv->cur_fw.scode_nr == new_fw.scode_nr) { | |
735 | tuner_dbg("SCODE firmware already loaded.\n"); | |
736 | goto check_device; | |
737 | } | |
6cb45879 | 738 | |
f380e1d2 | 739 | /* Load SCODE firmware, if exists */ |
e0f0b37a | 740 | tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr); |
f380e1d2 | 741 | |
e0f0b37a CP |
742 | rc = load_scode(fe, new_fw.type | new_fw.scode_table, |
743 | &new_fw.id, new_fw.scode_nr); | |
43efe702 | 744 | |
e0f0b37a | 745 | check_device: |
8bf799a6 CP |
746 | if (xc2028_get_reg(priv, 0x0004, &version) < 0 || |
747 | xc2028_get_reg(priv, 0x0008, &hwmodel) < 0) { | |
748 | tuner_err("Unable to read tuner registers.\n"); | |
749 | goto fail; | |
750 | } | |
80b52208 MCC |
751 | |
752 | tuner_info("Device is Xceive %d version %d.%d, " | |
753 | "firmware version %d.%d\n", | |
754 | hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8, | |
755 | (version & 0xf0) >> 4, version & 0xf); | |
6cb45879 | 756 | |
8bf799a6 CP |
757 | /* Check firmware version against what we downloaded. */ |
758 | if (priv->firm_version != ((version & 0xf0) << 4 | (version & 0x0f))) { | |
759 | tuner_err("Incorrect readback of firmware version.\n"); | |
760 | goto fail; | |
761 | } | |
762 | ||
763 | /* Check that the tuner hardware model remains consistent over time. */ | |
764 | if (priv->hwmodel == 0 && (hwmodel == 2028 || hwmodel == 3028)) { | |
765 | priv->hwmodel = hwmodel; | |
766 | priv->hwvers = version & 0xff00; | |
767 | } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel || | |
768 | priv->hwvers != (version & 0xff00)) { | |
769 | tuner_err("Read invalid device hardware information - tuner " | |
770 | "hung?\n"); | |
771 | goto fail; | |
772 | } | |
773 | ||
e0f0b37a CP |
774 | memcpy(&priv->cur_fw, &new_fw, sizeof(priv->cur_fw)); |
775 | ||
776 | /* | |
777 | * By setting BASE in cur_fw.type only after successfully loading all | |
778 | * firmwares, we can: | |
779 | * 1. Identify that BASE firmware with type=0 has been loaded; | |
780 | * 2. Tell whether BASE firmware was just changed the next time through. | |
781 | */ | |
782 | priv->cur_fw.type |= BASE; | |
6cb45879 MCC |
783 | |
784 | return 0; | |
e0f0b37a CP |
785 | |
786 | fail: | |
787 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
8bf799a6 CP |
788 | if (!is_retry) { |
789 | msleep(50); | |
790 | is_retry = 1; | |
791 | tuner_dbg("Retrying firmware load\n"); | |
792 | goto retry; | |
793 | } | |
794 | ||
e0f0b37a CP |
795 | if (rc == -ENOENT) |
796 | rc = -EINVAL; | |
797 | return rc; | |
6cb45879 MCC |
798 | } |
799 | ||
215b95ba | 800 | static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) |
6cb45879 | 801 | { |
215b95ba | 802 | struct xc2028_data *priv = fe->tuner_priv; |
7d58d111 CP |
803 | u16 frq_lock, signal = 0; |
804 | int rc; | |
3b20532c | 805 | |
83fb340b | 806 | tuner_dbg("%s called\n", __FUNCTION__); |
6cb45879 | 807 | |
215b95ba | 808 | mutex_lock(&priv->lock); |
6cb45879 | 809 | |
80b52208 | 810 | /* Sync Lock Indicator */ |
7d58d111 CP |
811 | rc = xc2028_get_reg(priv, 0x0002, &frq_lock); |
812 | if (rc < 0 || frq_lock == 0) | |
3b20532c | 813 | goto ret; |
6cb45879 MCC |
814 | |
815 | /* Frequency is locked. Return signal quality */ | |
816 | ||
80b52208 | 817 | /* Get SNR of the video signal */ |
7d58d111 CP |
818 | rc = xc2028_get_reg(priv, 0x0040, &signal); |
819 | if (rc < 0) | |
820 | signal = -frq_lock; | |
3b20532c MCC |
821 | |
822 | ret: | |
215b95ba MCC |
823 | mutex_unlock(&priv->lock); |
824 | ||
825 | *strength = signal; | |
6cb45879 | 826 | |
7d58d111 | 827 | return rc; |
6cb45879 MCC |
828 | } |
829 | ||
830 | #define DIV 15625 | |
831 | ||
ab0b9fc6 MCC |
832 | static int generic_set_tv_freq(struct dvb_frontend *fe, u32 freq /* in Hz */ , |
833 | enum tuner_mode new_mode, | |
834 | v4l2_std_id std, fe_bandwidth_t bandwidth) | |
6cb45879 | 835 | { |
215b95ba | 836 | struct xc2028_data *priv = fe->tuner_priv; |
ab0b9fc6 | 837 | int rc = -EINVAL; |
2ce4b3aa | 838 | unsigned char buf[4]; |
ab0b9fc6 | 839 | u32 div, offset = 0; |
6cb45879 | 840 | |
83fb340b | 841 | tuner_dbg("%s called\n", __FUNCTION__); |
215b95ba | 842 | |
de3fe21b MCC |
843 | mutex_lock(&priv->lock); |
844 | ||
d4e76681 | 845 | /* HACK: It seems that specific firmware need to be reloaded |
e0f0b37a CP |
846 | when watching analog TV and freq is changed */ |
847 | if (new_mode != T_DIGITAL_TV) | |
848 | priv->cur_fw.type = 0; | |
215b95ba | 849 | |
2ce4b3aa | 850 | tuner_dbg("should set frequency %d kHz\n", freq / 1000); |
6cb45879 | 851 | |
ab0b9fc6 | 852 | if (check_firmware(fe, new_mode, std, bandwidth) < 0) |
3b20532c | 853 | goto ret; |
2e4160ca | 854 | |
a44f1c43 | 855 | if (new_mode == T_DIGITAL_TV) { |
d4e76681 | 856 | offset = 2750000; |
e0f0b37a | 857 | if (priv->cur_fw.type & DTV7) |
a44f1c43 CP |
858 | offset -= 500000; |
859 | } | |
2e4160ca | 860 | |
ab0b9fc6 | 861 | div = (freq - offset + DIV / 2) / DIV; |
2e4160ca | 862 | |
6cb45879 | 863 | /* CMD= Set frequency */ |
06fd82dc | 864 | if (priv->firm_version < 0x0202) |
47cc5b78 CP |
865 | rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00}); |
866 | else | |
867 | rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00}); | |
868 | if (rc < 0) | |
869 | goto ret; | |
de3fe21b | 870 | |
215b95ba | 871 | rc = priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1); |
ab0b9fc6 | 872 | if (rc < 0) |
215b95ba | 873 | goto ret; |
6cb45879 MCC |
874 | |
875 | msleep(10); | |
701672eb | 876 | |
ab0b9fc6 MCC |
877 | buf[0] = 0xff & (div >> 24); |
878 | buf[1] = 0xff & (div >> 16); | |
879 | buf[2] = 0xff & (div >> 8); | |
880 | buf[3] = 0xff & (div); | |
6cb45879 | 881 | |
47cc5b78 | 882 | rc = i2c_send(priv, buf, sizeof(buf)); |
ab0b9fc6 | 883 | if (rc < 0) |
3b20532c | 884 | goto ret; |
6cb45879 MCC |
885 | msleep(100); |
886 | ||
ab0b9fc6 | 887 | priv->frequency = freq; |
215b95ba | 888 | |
2ce4b3aa CP |
889 | tuner_dbg("divisor= %02x %02x %02x %02x (freq=%d.%03d)\n", |
890 | buf[0], buf[1], buf[2], buf[3], | |
891 | freq / 1000000, (freq % 1000000) / 1000); | |
3b20532c | 892 | |
ab0b9fc6 | 893 | rc = 0; |
6cb45879 | 894 | |
215b95ba MCC |
895 | ret: |
896 | mutex_unlock(&priv->lock); | |
6cb45879 | 897 | |
215b95ba | 898 | return rc; |
701672eb ML |
899 | } |
900 | ||
215b95ba | 901 | static int xc2028_set_tv_freq(struct dvb_frontend *fe, |
ab0b9fc6 | 902 | struct analog_parameters *p) |
6cb45879 | 903 | { |
215b95ba | 904 | struct xc2028_data *priv = fe->tuner_priv; |
6cb45879 | 905 | |
83fb340b | 906 | tuner_dbg("%s called\n", __FUNCTION__); |
6cb45879 | 907 | |
ab0b9fc6 | 908 | return generic_set_tv_freq(fe, 62500l * p->frequency, T_ANALOG_TV, |
ddf1c5f1 CP |
909 | p->std, BANDWIDTH_8_MHZ); |
910 | /* XXX Are some analog standards 6MHz? */ | |
215b95ba | 911 | } |
6cb45879 | 912 | |
215b95ba MCC |
913 | static int xc2028_set_params(struct dvb_frontend *fe, |
914 | struct dvb_frontend_parameters *p) | |
6cb45879 | 915 | { |
215b95ba | 916 | struct xc2028_data *priv = fe->tuner_priv; |
6cb45879 | 917 | |
83fb340b | 918 | tuner_dbg("%s called\n", __FUNCTION__); |
701672eb | 919 | |
215b95ba MCC |
920 | /* FIXME: Only OFDM implemented */ |
921 | if (fe->ops.info.type != FE_OFDM) { | |
83fb340b | 922 | tuner_err("DTV type not implemented.\n"); |
215b95ba | 923 | return -EINVAL; |
6cb45879 | 924 | } |
6cb45879 | 925 | |
215b95ba | 926 | return generic_set_tv_freq(fe, p->frequency, T_DIGITAL_TV, |
ab0b9fc6 MCC |
927 | 0 /* NOT USED */, |
928 | p->u.ofdm.bandwidth); | |
6cb45879 | 929 | |
6cb45879 | 930 | } |
701672eb | 931 | |
215b95ba | 932 | static int xc2028_dvb_release(struct dvb_frontend *fe) |
701672eb | 933 | { |
215b95ba MCC |
934 | struct xc2028_data *priv = fe->tuner_priv; |
935 | ||
83fb340b | 936 | tuner_dbg("%s called\n", __FUNCTION__); |
701672eb | 937 | |
aa501be9 CP |
938 | mutex_lock(&xc2028_list_mutex); |
939 | ||
215b95ba | 940 | priv->count--; |
701672eb | 941 | |
de3fe21b | 942 | if (!priv->count) { |
1808a698 MCC |
943 | list_del(&priv->xc2028_list); |
944 | ||
ab0b9fc6 | 945 | kfree(priv->ctrl.fname); |
de3fe21b MCC |
946 | |
947 | free_firmware(priv); | |
ab0b9fc6 | 948 | kfree(priv); |
06fd82dc | 949 | fe->tuner_priv = NULL; |
de3fe21b | 950 | } |
701672eb | 951 | |
aa501be9 CP |
952 | mutex_unlock(&xc2028_list_mutex); |
953 | ||
701672eb ML |
954 | return 0; |
955 | } | |
956 | ||
215b95ba | 957 | static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
701672eb | 958 | { |
215b95ba | 959 | struct xc2028_data *priv = fe->tuner_priv; |
701672eb | 960 | |
83fb340b | 961 | tuner_dbg("%s called\n", __FUNCTION__); |
701672eb | 962 | |
215b95ba | 963 | *frequency = priv->frequency; |
701672eb ML |
964 | |
965 | return 0; | |
966 | } | |
967 | ||
ab0b9fc6 | 968 | static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg) |
de3fe21b MCC |
969 | { |
970 | struct xc2028_data *priv = fe->tuner_priv; | |
971 | struct xc2028_ctrl *p = priv_cfg; | |
0a196b6f | 972 | int rc = 0; |
de3fe21b | 973 | |
83fb340b | 974 | tuner_dbg("%s called\n", __FUNCTION__); |
de3fe21b | 975 | |
06fd82dc CP |
976 | mutex_lock(&priv->lock); |
977 | ||
0a196b6f CP |
978 | kfree(priv->ctrl.fname); |
979 | free_firmware(priv); | |
de3fe21b | 980 | |
0a196b6f CP |
981 | memcpy(&priv->ctrl, p, sizeof(priv->ctrl)); |
982 | priv->ctrl.fname = NULL; | |
de3fe21b | 983 | |
0a196b6f CP |
984 | if (p->fname) { |
985 | priv->ctrl.fname = kstrdup(p->fname, GFP_KERNEL); | |
986 | if (priv->ctrl.fname == NULL) | |
987 | rc = -ENOMEM; | |
de3fe21b MCC |
988 | } |
989 | ||
0a196b6f CP |
990 | if (priv->ctrl.max_len < 9) |
991 | priv->ctrl.max_len = 13; | |
352fae1d | 992 | |
06fd82dc CP |
993 | mutex_unlock(&priv->lock); |
994 | ||
0a196b6f | 995 | return rc; |
de3fe21b MCC |
996 | } |
997 | ||
215b95ba | 998 | static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = { |
701672eb | 999 | .info = { |
ab0b9fc6 MCC |
1000 | .name = "Xceive XC3028", |
1001 | .frequency_min = 42000000, | |
1002 | .frequency_max = 864000000, | |
1003 | .frequency_step = 50000, | |
1004 | }, | |
701672eb | 1005 | |
de3fe21b | 1006 | .set_config = xc2028_set_config, |
215b95ba MCC |
1007 | .set_analog_params = xc2028_set_tv_freq, |
1008 | .release = xc2028_dvb_release, | |
1009 | .get_frequency = xc2028_get_frequency, | |
1010 | .get_rf_strength = xc2028_signal, | |
1011 | .set_params = xc2028_set_params, | |
701672eb | 1012 | |
701672eb ML |
1013 | }; |
1014 | ||
a37b4c9b | 1015 | void *xc2028_attach(struct dvb_frontend *fe, struct xc2028_config *cfg) |
701672eb | 1016 | { |
215b95ba | 1017 | struct xc2028_data *priv; |
a37b4c9b | 1018 | void *video_dev; |
701672eb | 1019 | |
83fb340b | 1020 | if (debug) |
3157ecef | 1021 | printk(KERN_DEBUG PREFIX ": Xcv2028/3028 init called!\n"); |
701672eb | 1022 | |
a37b4c9b ML |
1023 | if (NULL == cfg->video_dev) |
1024 | return NULL; | |
215b95ba | 1025 | |
a37b4c9b | 1026 | if (!fe) { |
3157ecef | 1027 | printk(KERN_ERR PREFIX ": No frontend!\n"); |
a37b4c9b | 1028 | return NULL; |
215b95ba MCC |
1029 | } |
1030 | ||
a37b4c9b ML |
1031 | video_dev = cfg->video_dev; |
1032 | ||
aa501be9 CP |
1033 | mutex_lock(&xc2028_list_mutex); |
1034 | ||
215b95ba | 1035 | list_for_each_entry(priv, &xc2028_list, xc2028_list) { |
a37b4c9b ML |
1036 | if (priv->video_dev == cfg->video_dev) { |
1037 | video_dev = NULL; | |
1038 | break; | |
1039 | } | |
215b95ba MCC |
1040 | } |
1041 | ||
a37b4c9b | 1042 | if (video_dev) { |
215b95ba | 1043 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
aa501be9 CP |
1044 | if (priv == NULL) { |
1045 | mutex_unlock(&xc2028_list_mutex); | |
a37b4c9b | 1046 | return NULL; |
aa501be9 | 1047 | } |
3b20532c | 1048 | |
a37b4c9b ML |
1049 | priv->i2c_props.addr = cfg->i2c_addr; |
1050 | priv->i2c_props.adap = cfg->i2c_adap; | |
215b95ba | 1051 | priv->video_dev = video_dev; |
a37b4c9b | 1052 | priv->tuner_callback = cfg->callback; |
0a196b6f | 1053 | priv->ctrl.max_len = 13; |
de3fe21b | 1054 | |
215b95ba MCC |
1055 | mutex_init(&priv->lock); |
1056 | ||
ab0b9fc6 | 1057 | list_add_tail(&priv->xc2028_list, &xc2028_list); |
215b95ba | 1058 | } |
a37b4c9b ML |
1059 | |
1060 | fe->tuner_priv = priv; | |
1808a698 | 1061 | priv->count++; |
215b95ba MCC |
1062 | |
1063 | memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops, | |
ab0b9fc6 | 1064 | sizeof(xc2028_dvb_tuner_ops)); |
215b95ba MCC |
1065 | |
1066 | tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner"); | |
1067 | ||
aa501be9 CP |
1068 | mutex_unlock(&xc2028_list_mutex); |
1069 | ||
a37b4c9b | 1070 | return fe; |
215b95ba | 1071 | } |
a37b4c9b | 1072 | |
701672eb ML |
1073 | EXPORT_SYMBOL(xc2028_attach); |
1074 | ||
215b95ba | 1075 | MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver"); |
983d214e | 1076 | MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>"); |
215b95ba MCC |
1077 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
1078 | MODULE_LICENSE("GPL"); |