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; | |
66c2d53d | 53 | __u16 int_freq; |
de3fe21b MCC |
54 | unsigned char *ptr; |
55 | unsigned int size; | |
56 | }; | |
6cb45879 | 57 | |
e0f0b37a CP |
58 | struct firmware_properties { |
59 | unsigned int type; | |
60 | v4l2_std_id id; | |
61 | v4l2_std_id std_req; | |
66c2d53d | 62 | __u16 int_freq; |
e0f0b37a CP |
63 | unsigned int scode_table; |
64 | int scode_nr; | |
65 | }; | |
66 | ||
6cb45879 | 67 | struct xc2028_data { |
215b95ba MCC |
68 | struct list_head xc2028_list; |
69 | struct tuner_i2c_props i2c_props; | |
70 | int (*tuner_callback) (void *dev, | |
71 | int command, int arg); | |
215b95ba MCC |
72 | void *video_dev; |
73 | int count; | |
de3fe21b MCC |
74 | __u32 frequency; |
75 | ||
76 | struct firmware_description *firm; | |
77 | int firm_size; | |
06fd82dc | 78 | __u16 firm_version; |
de3fe21b | 79 | |
8bf799a6 CP |
80 | __u16 hwmodel; |
81 | __u16 hwvers; | |
82 | ||
de3fe21b | 83 | struct xc2028_ctrl ctrl; |
215b95ba | 84 | |
e0f0b37a | 85 | struct firmware_properties cur_fw; |
215b95ba MCC |
86 | |
87 | struct mutex lock; | |
6cb45879 MCC |
88 | }; |
89 | ||
47cc5b78 CP |
90 | #define i2c_send(priv, buf, size) ({ \ |
91 | int _rc; \ | |
92 | _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \ | |
93 | if (size != _rc) \ | |
94 | tuner_info("i2c output error: rc = %d (should be %d)\n",\ | |
95 | _rc, (int)size); \ | |
96 | _rc; \ | |
97 | }) | |
98 | ||
99 | #define i2c_rcv(priv, buf, size) ({ \ | |
100 | int _rc; \ | |
101 | _rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \ | |
102 | if (size != _rc) \ | |
83fb340b | 103 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ |
47cc5b78 CP |
104 | _rc, (int)size); \ |
105 | _rc; \ | |
106 | }) | |
ab0b9fc6 | 107 | |
7d58d111 CP |
108 | #define i2c_send_recv(priv, obuf, osize, ibuf, isize) ({ \ |
109 | int _rc; \ | |
110 | _rc = tuner_i2c_xfer_send_recv(&priv->i2c_props, obuf, osize, \ | |
111 | ibuf, isize); \ | |
112 | if (isize != _rc) \ | |
113 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ | |
114 | _rc, (int)isize); \ | |
115 | _rc; \ | |
116 | }) | |
117 | ||
47cc5b78 | 118 | #define send_seq(priv, data...) ({ \ |
215b95ba | 119 | static u8 _val[] = data; \ |
47cc5b78 | 120 | int _rc; \ |
6cb45879 | 121 | if (sizeof(_val) != \ |
47cc5b78 | 122 | (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \ |
215b95ba | 123 | _val, sizeof(_val)))) { \ |
47cc5b78 CP |
124 | tuner_err("Error on line %d: %d\n", __LINE__, _rc); \ |
125 | } else \ | |
126 | msleep(10); \ | |
127 | _rc; \ | |
128 | }) | |
6cb45879 | 129 | |
7d58d111 | 130 | static unsigned int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val) |
6cb45879 | 131 | { |
b873e1a3 | 132 | unsigned char buf[2]; |
7d58d111 | 133 | unsigned char ibuf[2]; |
215b95ba | 134 | |
7d58d111 | 135 | tuner_dbg("%s %04x called\n", __FUNCTION__, reg); |
6cb45879 | 136 | |
7d58d111 | 137 | buf[0] = reg >> 8; |
80b52208 | 138 | buf[1] = (unsigned char) reg; |
6cb45879 | 139 | |
7d58d111 CP |
140 | if (i2c_send_recv(priv, buf, 2, ibuf, 2) != 2) |
141 | return -EIO; | |
6cb45879 | 142 | |
7d58d111 CP |
143 | *val = (ibuf[1]) | (ibuf[0] << 8); |
144 | return 0; | |
6cb45879 MCC |
145 | } |
146 | ||
43efe702 MCC |
147 | void dump_firm_type(unsigned int type) |
148 | { | |
149 | if (type & BASE) | |
150 | printk("BASE "); | |
f380e1d2 MCC |
151 | if (type & INIT1) |
152 | printk("INIT1 "); | |
43efe702 MCC |
153 | if (type & F8MHZ) |
154 | printk("F8MHZ "); | |
155 | if (type & MTS) | |
156 | printk("MTS "); | |
157 | if (type & D2620) | |
158 | printk("D2620 "); | |
159 | if (type & D2633) | |
160 | printk("D2633 "); | |
161 | if (type & DTV6) | |
162 | printk("DTV6 "); | |
163 | if (type & QAM) | |
164 | printk("QAM "); | |
165 | if (type & DTV7) | |
166 | printk("DTV7 "); | |
167 | if (type & DTV78) | |
168 | printk("DTV78 "); | |
169 | if (type & DTV8) | |
170 | printk("DTV8 "); | |
171 | if (type & FM) | |
172 | printk("FM "); | |
173 | if (type & INPUT1) | |
174 | printk("INPUT1 "); | |
175 | if (type & LCD) | |
176 | printk("LCD "); | |
177 | if (type & NOGD) | |
178 | printk("NOGD "); | |
179 | if (type & MONO) | |
180 | printk("MONO "); | |
181 | if (type & ATSC) | |
182 | printk("ATSC "); | |
183 | if (type & IF) | |
184 | printk("IF "); | |
185 | if (type & LG60) | |
186 | printk("LG60 "); | |
187 | if (type & ATI638) | |
188 | printk("ATI638 "); | |
189 | if (type & OREN538) | |
190 | printk("OREN538 "); | |
191 | if (type & OREN36) | |
192 | printk("OREN36 "); | |
193 | if (type & TOYOTA388) | |
194 | printk("TOYOTA388 "); | |
195 | if (type & TOYOTA794) | |
196 | printk("TOYOTA794 "); | |
197 | if (type & DIBCOM52) | |
198 | printk("DIBCOM52 "); | |
199 | if (type & ZARLINK456) | |
200 | printk("ZARLINK456 "); | |
201 | if (type & CHINA) | |
202 | printk("CHINA "); | |
203 | if (type & F6MHZ) | |
204 | printk("F6MHZ "); | |
205 | if (type & INPUT2) | |
206 | printk("INPUT2 "); | |
207 | if (type & SCODE) | |
208 | printk("SCODE "); | |
209 | } | |
210 | ||
ef8c1888 | 211 | static v4l2_std_id parse_audio_std_option(void) |
a82200fb | 212 | { |
e155d908 | 213 | if (strcasecmp(audio_std, "A2") == 0) |
a82200fb | 214 | return V4L2_STD_A2; |
e155d908 | 215 | if (strcasecmp(audio_std, "A2/A") == 0) |
a82200fb | 216 | return V4L2_STD_A2_A; |
e155d908 | 217 | if (strcasecmp(audio_std, "A2/B") == 0) |
a82200fb | 218 | return V4L2_STD_A2_B; |
e155d908 | 219 | if (strcasecmp(audio_std, "NICAM") == 0) |
a82200fb | 220 | return V4L2_STD_NICAM; |
e155d908 | 221 | if (strcasecmp(audio_std, "NICAM/A") == 0) |
a82200fb | 222 | return V4L2_STD_NICAM_A; |
e155d908 | 223 | if (strcasecmp(audio_std, "NICAM/B") == 0) |
a82200fb MCC |
224 | return V4L2_STD_NICAM_B; |
225 | ||
226 | return 0; | |
227 | } | |
228 | ||
ab0b9fc6 | 229 | static void free_firmware(struct xc2028_data *priv) |
6cb45879 | 230 | { |
de3fe21b MCC |
231 | int i; |
232 | ||
233 | if (!priv->firm) | |
234 | return; | |
235 | ||
ab0b9fc6 MCC |
236 | for (i = 0; i < priv->firm_size; i++) |
237 | kfree(priv->firm[i].ptr); | |
238 | ||
de3fe21b MCC |
239 | kfree(priv->firm); |
240 | ||
ab0b9fc6 | 241 | priv->firm = NULL; |
06fd82dc | 242 | priv->firm_size = 0; |
e0f0b37a CP |
243 | |
244 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
de3fe21b MCC |
245 | } |
246 | ||
ab0b9fc6 | 247 | static int load_all_firmwares(struct dvb_frontend *fe) |
de3fe21b MCC |
248 | { |
249 | struct xc2028_data *priv = fe->tuner_priv; | |
ab0b9fc6 | 250 | const struct firmware *fw = NULL; |
6cb45879 | 251 | unsigned char *p, *endp; |
ab0b9fc6 MCC |
252 | int rc = 0; |
253 | int n, n_array; | |
de3fe21b | 254 | char name[33]; |
6cb45879 | 255 | |
83fb340b | 256 | tuner_dbg("%s called\n", __FUNCTION__); |
215b95ba | 257 | |
06fd82dc | 258 | tuner_dbg("Reading firmware %s\n", priv->ctrl.fname); |
a37b4c9b ML |
259 | rc = request_firmware(&fw, priv->ctrl.fname, |
260 | &priv->i2c_props.adap->dev); | |
6cb45879 | 261 | if (rc < 0) { |
ab0b9fc6 | 262 | if (rc == -ENOENT) |
83fb340b | 263 | tuner_err("Error: firmware %s not found.\n", |
de3fe21b | 264 | priv->ctrl.fname); |
2e4160ca | 265 | else |
83fb340b | 266 | tuner_err("Error %d while requesting firmware %s \n", |
de3fe21b | 267 | rc, priv->ctrl.fname); |
2e4160ca | 268 | |
6cb45879 MCC |
269 | return rc; |
270 | } | |
ab0b9fc6 MCC |
271 | p = fw->data; |
272 | endp = p + fw->size; | |
6cb45879 | 273 | |
06fd82dc CP |
274 | if (fw->size < sizeof(name) - 1 + 2 + 2) { |
275 | tuner_err("Error: firmware file %s has invalid size!\n", | |
276 | priv->ctrl.fname); | |
277 | goto corrupt; | |
6cb45879 | 278 | } |
de3fe21b | 279 | |
ab0b9fc6 MCC |
280 | memcpy(name, p, sizeof(name) - 1); |
281 | name[sizeof(name) - 1] = 0; | |
282 | p += sizeof(name) - 1; | |
de3fe21b | 283 | |
06fd82dc | 284 | priv->firm_version = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
285 | p += 2; |
286 | ||
ab0b9fc6 | 287 | n_array = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
288 | p += 2; |
289 | ||
06fd82dc CP |
290 | tuner_info("Loading %d firmware images from %s, type: %s, ver %d.%d\n", |
291 | n_array, priv->ctrl.fname, name, | |
292 | priv->firm_version >> 8, priv->firm_version & 0xff); | |
de3fe21b | 293 | |
ab0b9fc6 | 294 | priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); |
06fd82dc CP |
295 | if (priv->firm == NULL) { |
296 | tuner_err("Not enough memory to load firmware file.\n"); | |
ab0b9fc6 | 297 | rc = -ENOMEM; |
06fd82dc | 298 | goto err; |
6cb45879 | 299 | } |
de3fe21b | 300 | priv->firm_size = n_array; |
06fd82dc | 301 | |
ab0b9fc6 MCC |
302 | n = -1; |
303 | while (p < endp) { | |
de3fe21b MCC |
304 | __u32 type, size; |
305 | v4l2_std_id id; | |
66c2d53d | 306 | __u16 int_freq = 0; |
de3fe21b MCC |
307 | |
308 | n++; | |
309 | if (n >= n_array) { | |
06fd82dc CP |
310 | tuner_err("More firmware images in file than " |
311 | "were expected!\n"); | |
de3fe21b MCC |
312 | goto corrupt; |
313 | } | |
314 | ||
315 | /* Checks if there's enough bytes to read */ | |
ab0b9fc6 | 316 | if (p + sizeof(type) + sizeof(id) + sizeof(size) > endp) { |
83fb340b | 317 | tuner_err("Firmware header is incomplete!\n"); |
de3fe21b MCC |
318 | goto corrupt; |
319 | } | |
320 | ||
ab0b9fc6 | 321 | type = le32_to_cpu(*(__u32 *) p); |
de3fe21b MCC |
322 | p += sizeof(type); |
323 | ||
ab0b9fc6 | 324 | id = le64_to_cpu(*(v4l2_std_id *) p); |
de3fe21b MCC |
325 | p += sizeof(id); |
326 | ||
66c2d53d MCC |
327 | if (type & HAS_IF) { |
328 | int_freq = le16_to_cpu(*(__u16 *) p); | |
329 | p += sizeof(int_freq); | |
330 | } | |
331 | ||
2fc580ff | 332 | size = le32_to_cpu(*(__u32 *) p); |
de3fe21b MCC |
333 | p += sizeof(size); |
334 | ||
ab0b9fc6 | 335 | if ((!size) || (size + p > endp)) { |
83fb340b | 336 | tuner_err("Firmware type "); |
43efe702 | 337 | dump_firm_type(type); |
ef8c1888 MCC |
338 | printk("(%x), id %llx is corrupted " |
339 | "(size=%d, expected %d)\n", | |
91240dd9 | 340 | type, (unsigned long long)id, |
ef8c1888 | 341 | (unsigned)(endp - p), size); |
de3fe21b MCC |
342 | goto corrupt; |
343 | } | |
344 | ||
ab0b9fc6 | 345 | priv->firm[n].ptr = kzalloc(size, GFP_KERNEL); |
06fd82dc CP |
346 | if (priv->firm[n].ptr == NULL) { |
347 | tuner_err("Not enough memory to load firmware file.\n"); | |
ab0b9fc6 | 348 | rc = -ENOMEM; |
de3fe21b MCC |
349 | goto err; |
350 | } | |
06fd82dc CP |
351 | tuner_dbg("Reading firmware type "); |
352 | if (debug) { | |
353 | dump_firm_type(type); | |
354 | printk("(%x), id %llx, size=%d.\n", | |
355 | type, (unsigned long long)id, size); | |
356 | } | |
de3fe21b MCC |
357 | |
358 | memcpy(priv->firm[n].ptr, p, size); | |
359 | priv->firm[n].type = type; | |
360 | priv->firm[n].id = id; | |
361 | priv->firm[n].size = size; | |
66c2d53d | 362 | priv->firm[n].int_freq = int_freq; |
de3fe21b MCC |
363 | |
364 | p += size; | |
365 | } | |
366 | ||
ab0b9fc6 | 367 | if (n + 1 != priv->firm_size) { |
83fb340b | 368 | tuner_err("Firmware file is incomplete!\n"); |
de3fe21b MCC |
369 | goto corrupt; |
370 | } | |
371 | ||
372 | goto done; | |
373 | ||
374 | corrupt: | |
ab0b9fc6 | 375 | rc = -EINVAL; |
83fb340b | 376 | tuner_err("Error: firmware file is corrupted!\n"); |
de3fe21b MCC |
377 | |
378 | err: | |
06fd82dc | 379 | tuner_info("Releasing partially loaded firmware file.\n"); |
de3fe21b MCC |
380 | free_firmware(priv); |
381 | ||
382 | done: | |
383 | release_firmware(fw); | |
06fd82dc CP |
384 | if (rc == 0) |
385 | tuner_dbg("Firmware files loaded.\n"); | |
de3fe21b MCC |
386 | |
387 | return rc; | |
388 | } | |
389 | ||
f380e1d2 MCC |
390 | static int seek_firmware(struct dvb_frontend *fe, unsigned int type, |
391 | v4l2_std_id *id) | |
de3fe21b MCC |
392 | { |
393 | struct xc2028_data *priv = fe->tuner_priv; | |
b1535293 | 394 | int i, best_i = -1, best_nr_matches = 0; |
de3fe21b | 395 | |
b1535293 CP |
396 | tuner_dbg("%s called, want type=", __FUNCTION__); |
397 | if (debug) { | |
398 | dump_firm_type(type); | |
399 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); | |
400 | } | |
de3fe21b MCC |
401 | |
402 | if (!priv->firm) { | |
83fb340b | 403 | tuner_err("Error! firmware not loaded\n"); |
de3fe21b MCC |
404 | return -EINVAL; |
405 | } | |
406 | ||
f380e1d2 | 407 | if (((type & ~SCODE) == 0) && (*id == 0)) |
ab0b9fc6 | 408 | *id = V4L2_STD_PAL; |
de3fe21b | 409 | |
e0f0b37a CP |
410 | if (type & BASE) |
411 | type &= BASE_TYPES; | |
412 | else if (type & SCODE) | |
413 | type &= SCODE_TYPES; | |
414 | else if (type & DTV_TYPES) | |
11a9eff9 CP |
415 | type &= DTV_TYPES; |
416 | else if (type & STD_SPECIFIC_TYPES) | |
417 | type &= STD_SPECIFIC_TYPES; | |
e0f0b37a | 418 | |
de3fe21b | 419 | /* Seek for exact match */ |
ab0b9fc6 MCC |
420 | for (i = 0; i < priv->firm_size; i++) { |
421 | if ((type == priv->firm[i].type) && (*id == priv->firm[i].id)) | |
de3fe21b MCC |
422 | goto found; |
423 | } | |
424 | ||
425 | /* Seek for generic video standard match */ | |
ab0b9fc6 | 426 | for (i = 0; i < priv->firm_size; i++) { |
b1535293 CP |
427 | v4l2_std_id match_mask; |
428 | int nr_matches; | |
429 | ||
430 | if (type != priv->firm[i].type) | |
431 | continue; | |
432 | ||
433 | match_mask = *id & priv->firm[i].id; | |
434 | if (!match_mask) | |
435 | continue; | |
436 | ||
437 | if ((*id & match_mask) == *id) | |
438 | goto found; /* Supports all the requested standards */ | |
439 | ||
440 | nr_matches = hweight64(match_mask); | |
441 | if (nr_matches > best_nr_matches) { | |
442 | best_nr_matches = nr_matches; | |
443 | best_i = i; | |
444 | } | |
445 | } | |
446 | ||
447 | if (best_nr_matches > 0) { | |
448 | tuner_dbg("Selecting best matching firmware (%d bits) for " | |
449 | "type=", best_nr_matches); | |
450 | dump_firm_type(type); | |
451 | printk("(%x), id %016llx:\n", type, (unsigned long long)*id); | |
452 | i = best_i; | |
453 | goto found; | |
de3fe21b MCC |
454 | } |
455 | ||
456 | /*FIXME: Would make sense to seek for type "hint" match ? */ | |
457 | ||
b1535293 | 458 | i = -ENOENT; |
f380e1d2 | 459 | goto ret; |
de3fe21b MCC |
460 | |
461 | found: | |
462 | *id = priv->firm[i].id; | |
de3fe21b | 463 | |
f380e1d2 | 464 | ret: |
b1535293 | 465 | tuner_dbg("%s firmware for type=", (i < 0) ? "Can't find" : "Found"); |
83fb340b MCC |
466 | if (debug) { |
467 | dump_firm_type(type); | |
91240dd9 | 468 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); |
83fb340b | 469 | } |
f380e1d2 MCC |
470 | return i; |
471 | } | |
472 | ||
473 | static int load_firmware(struct dvb_frontend *fe, unsigned int type, | |
474 | v4l2_std_id *id) | |
475 | { | |
476 | struct xc2028_data *priv = fe->tuner_priv; | |
477 | int pos, rc; | |
0a196b6f | 478 | unsigned char *p, *endp, buf[priv->ctrl.max_len]; |
f380e1d2 | 479 | |
83fb340b | 480 | tuner_dbg("%s called\n", __FUNCTION__); |
f380e1d2 MCC |
481 | |
482 | pos = seek_firmware(fe, type, id); | |
483 | if (pos < 0) | |
484 | return pos; | |
485 | ||
83fb340b | 486 | tuner_info("Loading firmware for type="); |
b1535293 CP |
487 | dump_firm_type(priv->firm[pos].type); |
488 | printk("(%x), id %016llx.\n", priv->firm[pos].type, | |
489 | (unsigned long long)*id); | |
83fb340b | 490 | |
f380e1d2 | 491 | p = priv->firm[pos].ptr; |
f380e1d2 | 492 | endp = p + priv->firm[pos].size; |
6cb45879 | 493 | |
ab0b9fc6 | 494 | while (p < endp) { |
de3fe21b MCC |
495 | __u16 size; |
496 | ||
497 | /* Checks if there's enough bytes to read */ | |
ab0b9fc6 | 498 | if (p + sizeof(size) > endp) { |
83fb340b | 499 | tuner_err("Firmware chunk size is wrong\n"); |
de3fe21b MCC |
500 | return -EINVAL; |
501 | } | |
502 | ||
ab0b9fc6 | 503 | size = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
504 | p += sizeof(size); |
505 | ||
506 | if (size == 0xffff) | |
507 | return 0; | |
508 | ||
509 | if (!size) { | |
6cb45879 | 510 | /* Special callback command received */ |
215b95ba | 511 | rc = priv->tuner_callback(priv->video_dev, |
ab0b9fc6 MCC |
512 | XC2028_TUNER_RESET, 0); |
513 | if (rc < 0) { | |
83fb340b | 514 | tuner_err("Error at RESET code %d\n", |
ab0b9fc6 | 515 | (*p) & 0x7f); |
de3fe21b | 516 | return -EINVAL; |
6cb45879 | 517 | } |
6cb45879 MCC |
518 | continue; |
519 | } | |
5403bbae ML |
520 | if (size >= 0xff00) { |
521 | switch (size) { | |
522 | case 0xff00: | |
523 | rc = priv->tuner_callback(priv->video_dev, | |
524 | XC2028_RESET_CLK, 0); | |
525 | if (rc < 0) { | |
526 | tuner_err("Error at RESET code %d\n", | |
527 | (*p) & 0x7f); | |
528 | return -EINVAL; | |
529 | } | |
b32f9fb9 | 530 | break; |
5403bbae ML |
531 | default: |
532 | tuner_info("Invalid RESET code %d\n", | |
533 | size & 0x7f); | |
534 | return -EINVAL; | |
535 | ||
536 | } | |
2d4c0ac6 | 537 | continue; |
5403bbae | 538 | } |
de3fe21b MCC |
539 | |
540 | /* Checks for a sleep command */ | |
541 | if (size & 0x8000) { | |
ab0b9fc6 | 542 | msleep(size & 0x7fff); |
de3fe21b | 543 | continue; |
6cb45879 MCC |
544 | } |
545 | ||
de3fe21b | 546 | if ((size + p > endp)) { |
83fb340b | 547 | tuner_err("missing bytes: need %d, have %d\n", |
ab0b9fc6 | 548 | size, (int)(endp - p)); |
de3fe21b MCC |
549 | return -EINVAL; |
550 | } | |
6cb45879 | 551 | |
de3fe21b | 552 | buf[0] = *p; |
6cb45879 | 553 | p++; |
de3fe21b | 554 | size--; |
6cb45879 | 555 | |
de3fe21b | 556 | /* Sends message chunks */ |
ab0b9fc6 | 557 | while (size > 0) { |
0a196b6f CP |
558 | int len = (size < priv->ctrl.max_len - 1) ? |
559 | size : priv->ctrl.max_len - 1; | |
6cb45879 | 560 | |
ab0b9fc6 | 561 | memcpy(buf + 1, p, len); |
6cb45879 | 562 | |
47cc5b78 | 563 | rc = i2c_send(priv, buf, len + 1); |
ab0b9fc6 | 564 | if (rc < 0) { |
83fb340b | 565 | tuner_err("%d returned from send\n", rc); |
de3fe21b MCC |
566 | return -EINVAL; |
567 | } | |
568 | ||
569 | p += len; | |
570 | size -= len; | |
571 | } | |
572 | } | |
43efe702 | 573 | return 0; |
6cb45879 MCC |
574 | } |
575 | ||
f380e1d2 | 576 | static int load_scode(struct dvb_frontend *fe, unsigned int type, |
66c2d53d | 577 | v4l2_std_id *id, __u16 int_freq, int scode) |
f380e1d2 MCC |
578 | { |
579 | struct xc2028_data *priv = fe->tuner_priv; | |
580 | int pos, rc; | |
581 | unsigned char *p; | |
582 | ||
83fb340b | 583 | tuner_dbg("%s called\n", __FUNCTION__); |
f380e1d2 | 584 | |
66c2d53d MCC |
585 | if (!int_freq) { |
586 | pos = seek_firmware(fe, type, id); | |
587 | if (pos < 0) | |
588 | return pos; | |
589 | } else { | |
590 | for (pos = 0; pos < priv->firm_size; pos++) { | |
591 | if ((priv->firm[pos].int_freq == int_freq) && | |
592 | (type & HAS_IF)) | |
593 | break; | |
594 | } | |
595 | if (pos == priv->firm_size) | |
596 | return -ENOENT; | |
597 | } | |
f380e1d2 MCC |
598 | |
599 | p = priv->firm[pos].ptr; | |
600 | ||
66c2d53d MCC |
601 | if (type & HAS_IF) { |
602 | if (priv->firm[pos].size != 12 * 16 || scode >= 16) | |
603 | return -EINVAL; | |
604 | p += 12 * scode; | |
605 | } else { | |
606 | /* 16 SCODE entries per file; each SCODE entry is 12 bytes and | |
607 | * has a 2-byte size header in the firmware format. */ | |
608 | if (priv->firm[pos].size != 14 * 16 || scode >= 16 || | |
609 | le16_to_cpu(*(__u16 *)(p + 14 * scode)) != 12) | |
610 | return -EINVAL; | |
611 | p += 14 * scode + 2; | |
612 | } | |
f380e1d2 | 613 | |
d7b22c5c CP |
614 | tuner_info("Loading SCODE for type="); |
615 | dump_firm_type(priv->firm[pos].type); | |
616 | printk("(%x), id %016llx.\n", priv->firm[pos].type, | |
617 | (unsigned long long)*id); | |
618 | ||
06fd82dc | 619 | if (priv->firm_version < 0x0202) |
47cc5b78 CP |
620 | rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00}); |
621 | else | |
622 | rc = send_seq(priv, {0xa0, 0x00, 0x00, 0x00}); | |
623 | if (rc < 0) | |
624 | return -EIO; | |
f380e1d2 | 625 | |
66c2d53d | 626 | rc = i2c_send(priv, p, 12); |
47cc5b78 CP |
627 | if (rc < 0) |
628 | return -EIO; | |
f380e1d2 | 629 | |
47cc5b78 CP |
630 | rc = send_seq(priv, {0x00, 0x8c}); |
631 | if (rc < 0) | |
632 | return -EIO; | |
f380e1d2 MCC |
633 | |
634 | return 0; | |
635 | } | |
636 | ||
00deff1a | 637 | static int check_firmware(struct dvb_frontend *fe, unsigned int type, |
66c2d53d | 638 | v4l2_std_id std, __u16 int_freq) |
6cb45879 | 639 | { |
00deff1a | 640 | struct xc2028_data *priv = fe->tuner_priv; |
e0f0b37a | 641 | struct firmware_properties new_fw; |
00deff1a MCC |
642 | int rc = 0, is_retry = 0; |
643 | u16 version, hwmodel; | |
644 | v4l2_std_id std0; | |
6cb45879 | 645 | |
83fb340b | 646 | tuner_dbg("%s called\n", __FUNCTION__); |
6cb45879 | 647 | |
de3fe21b | 648 | if (!priv->firm) { |
a37b4c9b ML |
649 | if (!priv->ctrl.fname) { |
650 | tuner_info("xc2028/3028 firmware name not set!\n"); | |
de3fe21b | 651 | return -EINVAL; |
a37b4c9b | 652 | } |
de3fe21b | 653 | |
ab0b9fc6 MCC |
654 | rc = load_all_firmwares(fe); |
655 | if (rc < 0) | |
de3fe21b MCC |
656 | return rc; |
657 | } | |
658 | ||
5add9a6f | 659 | if (priv->ctrl.mts) |
e0f0b37a | 660 | type |= MTS; |
6cb45879 | 661 | |
8bf799a6 | 662 | retry: |
e0f0b37a CP |
663 | new_fw.type = type; |
664 | new_fw.id = std; | |
665 | new_fw.std_req = std; | |
666 | new_fw.scode_table = SCODE | priv->ctrl.scode_table; | |
667 | new_fw.scode_nr = 0; | |
66c2d53d | 668 | new_fw.int_freq = int_freq; |
e0f0b37a CP |
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 | ||
47bd5bc6 CP |
696 | /* BASE firmwares are all std0 */ |
697 | std0 = 0; | |
698 | rc = load_firmware(fe, BASE | new_fw.type, &std0); | |
e0f0b37a CP |
699 | if (rc < 0) { |
700 | tuner_err("Error %d while loading base firmware\n", | |
701 | rc); | |
702 | goto fail; | |
703 | } | |
5403bbae | 704 | |
de3fe21b | 705 | /* Load INIT1, if needed */ |
83fb340b | 706 | tuner_dbg("Load init1 firmware, if exists\n"); |
de3fe21b | 707 | |
47bd5bc6 | 708 | rc = load_firmware(fe, BASE | INIT1 | new_fw.type, &std0); |
1ad0b796 CP |
709 | if (rc == -ENOENT) |
710 | rc = load_firmware(fe, (BASE | INIT1 | new_fw.type) & ~F8MHZ, | |
711 | &std0); | |
e0f0b37a CP |
712 | if (rc < 0 && rc != -ENOENT) { |
713 | tuner_err("Error %d while loading init1 firmware\n", | |
714 | rc); | |
715 | goto fail; | |
716 | } | |
de3fe21b | 717 | |
e0f0b37a CP |
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. | |
de3fe21b | 722 | */ |
e0f0b37a CP |
723 | if (priv->cur_fw.type == (BASE | new_fw.type) && |
724 | priv->cur_fw.std_req == std) { | |
83fb340b | 725 | tuner_dbg("Std-specific firmware already loaded.\n"); |
e0f0b37a | 726 | goto skip_std_specific; |
2e4160ca | 727 | } |
6cb45879 | 728 | |
e0f0b37a CP |
729 | /* Reloading std-specific firmware forces a SCODE update */ |
730 | priv->cur_fw.scode_table = 0; | |
731 | ||
e0f0b37a | 732 | rc = load_firmware(fe, new_fw.type, &new_fw.id); |
cca83798 MCC |
733 | if (rc == -ENOENT) |
734 | rc = load_firmware(fe, new_fw.type & ~F8MHZ, &new_fw.id); | |
735 | ||
ab0b9fc6 | 736 | if (rc < 0) |
e0f0b37a CP |
737 | goto fail; |
738 | ||
739 | skip_std_specific: | |
740 | if (priv->cur_fw.scode_table == new_fw.scode_table && | |
741 | priv->cur_fw.scode_nr == new_fw.scode_nr) { | |
742 | tuner_dbg("SCODE firmware already loaded.\n"); | |
743 | goto check_device; | |
744 | } | |
6cb45879 | 745 | |
f380e1d2 | 746 | /* Load SCODE firmware, if exists */ |
e0f0b37a | 747 | tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr); |
f380e1d2 | 748 | |
66c2d53d MCC |
749 | rc = load_scode(fe, new_fw.type | new_fw.scode_table, &new_fw.id, |
750 | new_fw.int_freq, new_fw.scode_nr); | |
43efe702 | 751 | |
e0f0b37a | 752 | check_device: |
8bf799a6 CP |
753 | if (xc2028_get_reg(priv, 0x0004, &version) < 0 || |
754 | xc2028_get_reg(priv, 0x0008, &hwmodel) < 0) { | |
755 | tuner_err("Unable to read tuner registers.\n"); | |
756 | goto fail; | |
757 | } | |
80b52208 MCC |
758 | |
759 | tuner_info("Device is Xceive %d version %d.%d, " | |
760 | "firmware version %d.%d\n", | |
761 | hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8, | |
762 | (version & 0xf0) >> 4, version & 0xf); | |
6cb45879 | 763 | |
8bf799a6 CP |
764 | /* Check firmware version against what we downloaded. */ |
765 | if (priv->firm_version != ((version & 0xf0) << 4 | (version & 0x0f))) { | |
766 | tuner_err("Incorrect readback of firmware version.\n"); | |
767 | goto fail; | |
768 | } | |
769 | ||
770 | /* Check that the tuner hardware model remains consistent over time. */ | |
771 | if (priv->hwmodel == 0 && (hwmodel == 2028 || hwmodel == 3028)) { | |
772 | priv->hwmodel = hwmodel; | |
773 | priv->hwvers = version & 0xff00; | |
774 | } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel || | |
775 | priv->hwvers != (version & 0xff00)) { | |
776 | tuner_err("Read invalid device hardware information - tuner " | |
777 | "hung?\n"); | |
778 | goto fail; | |
779 | } | |
780 | ||
e0f0b37a CP |
781 | memcpy(&priv->cur_fw, &new_fw, sizeof(priv->cur_fw)); |
782 | ||
783 | /* | |
784 | * By setting BASE in cur_fw.type only after successfully loading all | |
785 | * firmwares, we can: | |
786 | * 1. Identify that BASE firmware with type=0 has been loaded; | |
787 | * 2. Tell whether BASE firmware was just changed the next time through. | |
788 | */ | |
789 | priv->cur_fw.type |= BASE; | |
6cb45879 MCC |
790 | |
791 | return 0; | |
e0f0b37a CP |
792 | |
793 | fail: | |
794 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
8bf799a6 CP |
795 | if (!is_retry) { |
796 | msleep(50); | |
797 | is_retry = 1; | |
798 | tuner_dbg("Retrying firmware load\n"); | |
799 | goto retry; | |
800 | } | |
801 | ||
e0f0b37a CP |
802 | if (rc == -ENOENT) |
803 | rc = -EINVAL; | |
804 | return rc; | |
6cb45879 MCC |
805 | } |
806 | ||
215b95ba | 807 | static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) |
6cb45879 | 808 | { |
215b95ba | 809 | struct xc2028_data *priv = fe->tuner_priv; |
7d58d111 CP |
810 | u16 frq_lock, signal = 0; |
811 | int rc; | |
3b20532c | 812 | |
83fb340b | 813 | tuner_dbg("%s called\n", __FUNCTION__); |
6cb45879 | 814 | |
215b95ba | 815 | mutex_lock(&priv->lock); |
6cb45879 | 816 | |
80b52208 | 817 | /* Sync Lock Indicator */ |
7d58d111 CP |
818 | rc = xc2028_get_reg(priv, 0x0002, &frq_lock); |
819 | if (rc < 0 || frq_lock == 0) | |
3b20532c | 820 | goto ret; |
6cb45879 MCC |
821 | |
822 | /* Frequency is locked. Return signal quality */ | |
823 | ||
80b52208 | 824 | /* Get SNR of the video signal */ |
7d58d111 CP |
825 | rc = xc2028_get_reg(priv, 0x0040, &signal); |
826 | if (rc < 0) | |
827 | signal = -frq_lock; | |
3b20532c MCC |
828 | |
829 | ret: | |
215b95ba MCC |
830 | mutex_unlock(&priv->lock); |
831 | ||
832 | *strength = signal; | |
6cb45879 | 833 | |
7d58d111 | 834 | return rc; |
6cb45879 MCC |
835 | } |
836 | ||
837 | #define DIV 15625 | |
838 | ||
00deff1a | 839 | static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */, |
66c2d53d MCC |
840 | enum tuner_mode new_mode, |
841 | unsigned int type, | |
842 | v4l2_std_id std, | |
843 | u16 int_freq) | |
6cb45879 | 844 | { |
215b95ba | 845 | struct xc2028_data *priv = fe->tuner_priv; |
ab0b9fc6 | 846 | int rc = -EINVAL; |
2ce4b3aa | 847 | unsigned char buf[4]; |
ab0b9fc6 | 848 | u32 div, offset = 0; |
6cb45879 | 849 | |
83fb340b | 850 | tuner_dbg("%s called\n", __FUNCTION__); |
215b95ba | 851 | |
de3fe21b MCC |
852 | mutex_lock(&priv->lock); |
853 | ||
2ce4b3aa | 854 | tuner_dbg("should set frequency %d kHz\n", freq / 1000); |
6cb45879 | 855 | |
66c2d53d | 856 | if (check_firmware(fe, type, std, int_freq) < 0) |
3b20532c | 857 | goto ret; |
2e4160ca | 858 | |
2800ae9c MCC |
859 | /* On some cases xc2028 can disable video output, if |
860 | * very weak signals are received. By sending a soft | |
861 | * reset, this is re-enabled. So, it is better to always | |
862 | * send a soft reset before changing channels, to be sure | |
863 | * that xc2028 will be in a safe state. | |
864 | * Maybe this might also be needed for DTV. | |
865 | */ | |
00deff1a | 866 | if (new_mode == T_ANALOG_TV) { |
2800ae9c | 867 | rc = send_seq(priv, {0x00, 0x00}); |
00deff1a | 868 | } else { |
d4e76681 | 869 | offset = 2750000; |
e0f0b37a | 870 | if (priv->cur_fw.type & DTV7) |
a44f1c43 CP |
871 | offset -= 500000; |
872 | } | |
2e4160ca | 873 | |
ab0b9fc6 | 874 | div = (freq - offset + DIV / 2) / DIV; |
2e4160ca | 875 | |
6cb45879 | 876 | /* CMD= Set frequency */ |
06fd82dc | 877 | if (priv->firm_version < 0x0202) |
47cc5b78 CP |
878 | rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00}); |
879 | else | |
880 | rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00}); | |
881 | if (rc < 0) | |
882 | goto ret; | |
de3fe21b | 883 | |
215b95ba | 884 | rc = priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1); |
ab0b9fc6 | 885 | if (rc < 0) |
215b95ba | 886 | goto ret; |
6cb45879 MCC |
887 | |
888 | msleep(10); | |
701672eb | 889 | |
ab0b9fc6 MCC |
890 | buf[0] = 0xff & (div >> 24); |
891 | buf[1] = 0xff & (div >> 16); | |
892 | buf[2] = 0xff & (div >> 8); | |
893 | buf[3] = 0xff & (div); | |
6cb45879 | 894 | |
47cc5b78 | 895 | rc = i2c_send(priv, buf, sizeof(buf)); |
ab0b9fc6 | 896 | if (rc < 0) |
3b20532c | 897 | goto ret; |
6cb45879 MCC |
898 | msleep(100); |
899 | ||
ab0b9fc6 | 900 | priv->frequency = freq; |
215b95ba | 901 | |
2ce4b3aa CP |
902 | tuner_dbg("divisor= %02x %02x %02x %02x (freq=%d.%03d)\n", |
903 | buf[0], buf[1], buf[2], buf[3], | |
904 | freq / 1000000, (freq % 1000000) / 1000); | |
3b20532c | 905 | |
ab0b9fc6 | 906 | rc = 0; |
6cb45879 | 907 | |
215b95ba MCC |
908 | ret: |
909 | mutex_unlock(&priv->lock); | |
6cb45879 | 910 | |
215b95ba | 911 | return rc; |
701672eb ML |
912 | } |
913 | ||
00deff1a | 914 | static int xc2028_set_analog_freq(struct dvb_frontend *fe, |
ab0b9fc6 | 915 | struct analog_parameters *p) |
6cb45879 | 916 | { |
215b95ba | 917 | struct xc2028_data *priv = fe->tuner_priv; |
00deff1a MCC |
918 | unsigned int type=0; |
919 | ||
920 | tuner_dbg("%s called\n", __FUNCTION__); | |
c71d4bc5 | 921 | |
d74cb25e MCC |
922 | if (p->mode == V4L2_TUNER_RADIO) { |
923 | type |= FM; | |
924 | if (priv->ctrl.input1) | |
925 | type |= INPUT1; | |
926 | return generic_set_freq(fe, (625l * p->frequency) / 10, | |
66c2d53d | 927 | T_ANALOG_TV, type, 0, 0); |
d74cb25e MCC |
928 | } |
929 | ||
a5e9fe14 MCC |
930 | /* if std is not defined, choose one */ |
931 | if (!p->std) | |
932 | p->std = V4L2_STD_MN; | |
933 | ||
934 | /* PAL/M, PAL/N, PAL/Nc and NTSC variants should use 6MHz firmware */ | |
00deff1a MCC |
935 | if (!(p->std & V4L2_STD_MN)) |
936 | type |= F8MHZ; | |
6cb45879 | 937 | |
00deff1a MCC |
938 | /* Add audio hack to std mask */ |
939 | p->std |= parse_audio_std_option(); | |
6cb45879 | 940 | |
00deff1a | 941 | return generic_set_freq(fe, 62500l * p->frequency, |
66c2d53d | 942 | T_ANALOG_TV, type, p->std, 0); |
215b95ba | 943 | } |
6cb45879 | 944 | |
215b95ba MCC |
945 | static int xc2028_set_params(struct dvb_frontend *fe, |
946 | struct dvb_frontend_parameters *p) | |
6cb45879 | 947 | { |
215b95ba | 948 | struct xc2028_data *priv = fe->tuner_priv; |
00deff1a | 949 | unsigned int type=0; |
d04aa54a | 950 | fe_bandwidth_t bw = BANDWIDTH_8_MHZ; |
6cb45879 | 951 | |
83fb340b | 952 | tuner_dbg("%s called\n", __FUNCTION__); |
701672eb | 953 | |
00deff1a MCC |
954 | if (priv->ctrl.d2633) |
955 | type |= D2633; | |
956 | else | |
957 | type |= D2620; | |
958 | ||
d04aa54a | 959 | switch(fe->ops.info.type) { |
d04aa54a MCC |
960 | case FE_OFDM: |
961 | bw = p->u.ofdm.bandwidth; | |
962 | break; | |
963 | case FE_QAM: | |
5c15648a MCC |
964 | tuner_info("WARN: There are some reports that " |
965 | "QAM 6 MHz doesn't work.\n" | |
966 | "If this works for you, please report by " | |
967 | "e-mail to: v4l-dvb-maintainer@linuxtv.org\n"); | |
d04aa54a MCC |
968 | bw = BANDWIDTH_6_MHZ; |
969 | type |= QAM; | |
970 | break; | |
971 | case FE_ATSC: | |
972 | bw = BANDWIDTH_6_MHZ; | |
4bfae52b MCC |
973 | /* The only ATSC firmware (at least on v2.7) is D2633, |
974 | so overrides ctrl->d2633 */ | |
d04aa54a | 975 | type |= ATSC| D2633; |
4bfae52b | 976 | type &= ~D2620; |
d04aa54a | 977 | break; |
5c15648a MCC |
978 | /* DVB-S is not supported */ |
979 | default: | |
980 | return -EINVAL; | |
d04aa54a MCC |
981 | } |
982 | ||
d04aa54a MCC |
983 | /* FIXME: |
984 | There are two Scodes that will never be selected: | |
985 | DTV78 ZARLINK456, DTV78 DIBCOM52 | |
986 | When it should opt for DTV78 instead of DTV7 or DTV8? | |
987 | */ | |
00deff1a MCC |
988 | switch (bw) { |
989 | case BANDWIDTH_8_MHZ: | |
d04aa54a | 990 | type |= DTV8 | F8MHZ; |
00deff1a MCC |
991 | break; |
992 | case BANDWIDTH_7_MHZ: | |
d04aa54a | 993 | type |= DTV7 | F8MHZ; |
00deff1a MCC |
994 | break; |
995 | case BANDWIDTH_6_MHZ: | |
d04aa54a | 996 | type |= DTV6 ; |
00deff1a MCC |
997 | break; |
998 | default: | |
999 | tuner_err("error: bandwidth not supported.\n"); | |
1000 | }; | |
1001 | ||
66c2d53d MCC |
1002 | /* All S-code tables need a 200kHz shift */ |
1003 | if (priv->ctrl.demod) | |
1004 | priv->ctrl.demod += 200; | |
b542dfdc | 1005 | |
00deff1a | 1006 | return generic_set_freq(fe, p->frequency, |
66c2d53d | 1007 | T_DIGITAL_TV, type, 0, priv->ctrl.demod); |
6cb45879 | 1008 | } |
701672eb | 1009 | |
45819c38 CP |
1010 | static int xc2028_sleep(struct dvb_frontend *fe) |
1011 | { | |
1012 | struct xc2028_data *priv = fe->tuner_priv; | |
1013 | int rc = 0; | |
1014 | ||
1015 | tuner_dbg("%s called\n", __FUNCTION__); | |
1016 | ||
1017 | mutex_lock(&priv->lock); | |
1018 | ||
1019 | if (priv->firm_version < 0x0202) | |
1020 | rc = send_seq(priv, {0x00, 0x08, 0x00, 0x00}); | |
1021 | else | |
1022 | rc = send_seq(priv, {0x80, 0x08, 0x00, 0x00}); | |
1023 | ||
1024 | priv->cur_fw.type = 0; /* need firmware reload */ | |
1025 | ||
1026 | mutex_unlock(&priv->lock); | |
1027 | ||
1028 | return rc; | |
1029 | } | |
1030 | ||
1031 | ||
215b95ba | 1032 | static int xc2028_dvb_release(struct dvb_frontend *fe) |
701672eb | 1033 | { |
215b95ba MCC |
1034 | struct xc2028_data *priv = fe->tuner_priv; |
1035 | ||
83fb340b | 1036 | tuner_dbg("%s called\n", __FUNCTION__); |
701672eb | 1037 | |
aa501be9 CP |
1038 | mutex_lock(&xc2028_list_mutex); |
1039 | ||
215b95ba | 1040 | priv->count--; |
701672eb | 1041 | |
de3fe21b | 1042 | if (!priv->count) { |
1808a698 MCC |
1043 | list_del(&priv->xc2028_list); |
1044 | ||
ab0b9fc6 | 1045 | kfree(priv->ctrl.fname); |
de3fe21b MCC |
1046 | |
1047 | free_firmware(priv); | |
ab0b9fc6 | 1048 | kfree(priv); |
06fd82dc | 1049 | fe->tuner_priv = NULL; |
de3fe21b | 1050 | } |
701672eb | 1051 | |
aa501be9 CP |
1052 | mutex_unlock(&xc2028_list_mutex); |
1053 | ||
701672eb ML |
1054 | return 0; |
1055 | } | |
1056 | ||
215b95ba | 1057 | static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
701672eb | 1058 | { |
215b95ba | 1059 | struct xc2028_data *priv = fe->tuner_priv; |
701672eb | 1060 | |
83fb340b | 1061 | tuner_dbg("%s called\n", __FUNCTION__); |
701672eb | 1062 | |
215b95ba | 1063 | *frequency = priv->frequency; |
701672eb ML |
1064 | |
1065 | return 0; | |
1066 | } | |
1067 | ||
ab0b9fc6 | 1068 | static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg) |
de3fe21b MCC |
1069 | { |
1070 | struct xc2028_data *priv = fe->tuner_priv; | |
1071 | struct xc2028_ctrl *p = priv_cfg; | |
0a196b6f | 1072 | int rc = 0; |
de3fe21b | 1073 | |
83fb340b | 1074 | tuner_dbg("%s called\n", __FUNCTION__); |
de3fe21b | 1075 | |
06fd82dc CP |
1076 | mutex_lock(&priv->lock); |
1077 | ||
0a196b6f CP |
1078 | kfree(priv->ctrl.fname); |
1079 | free_firmware(priv); | |
de3fe21b | 1080 | |
0a196b6f CP |
1081 | memcpy(&priv->ctrl, p, sizeof(priv->ctrl)); |
1082 | priv->ctrl.fname = NULL; | |
de3fe21b | 1083 | |
0a196b6f CP |
1084 | if (p->fname) { |
1085 | priv->ctrl.fname = kstrdup(p->fname, GFP_KERNEL); | |
1086 | if (priv->ctrl.fname == NULL) | |
1087 | rc = -ENOMEM; | |
de3fe21b MCC |
1088 | } |
1089 | ||
0a196b6f CP |
1090 | if (priv->ctrl.max_len < 9) |
1091 | priv->ctrl.max_len = 13; | |
352fae1d | 1092 | |
06fd82dc CP |
1093 | mutex_unlock(&priv->lock); |
1094 | ||
0a196b6f | 1095 | return rc; |
de3fe21b MCC |
1096 | } |
1097 | ||
215b95ba | 1098 | static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = { |
701672eb | 1099 | .info = { |
ab0b9fc6 MCC |
1100 | .name = "Xceive XC3028", |
1101 | .frequency_min = 42000000, | |
1102 | .frequency_max = 864000000, | |
1103 | .frequency_step = 50000, | |
1104 | }, | |
701672eb | 1105 | |
de3fe21b | 1106 | .set_config = xc2028_set_config, |
00deff1a | 1107 | .set_analog_params = xc2028_set_analog_freq, |
215b95ba MCC |
1108 | .release = xc2028_dvb_release, |
1109 | .get_frequency = xc2028_get_frequency, | |
1110 | .get_rf_strength = xc2028_signal, | |
1111 | .set_params = xc2028_set_params, | |
45819c38 | 1112 | .sleep = xc2028_sleep, |
701672eb | 1113 | |
701672eb ML |
1114 | }; |
1115 | ||
a37b4c9b | 1116 | void *xc2028_attach(struct dvb_frontend *fe, struct xc2028_config *cfg) |
701672eb | 1117 | { |
215b95ba | 1118 | struct xc2028_data *priv; |
a37b4c9b | 1119 | void *video_dev; |
701672eb | 1120 | |
83fb340b | 1121 | if (debug) |
3157ecef | 1122 | printk(KERN_DEBUG PREFIX ": Xcv2028/3028 init called!\n"); |
701672eb | 1123 | |
71a2ee37 | 1124 | if (NULL == cfg || NULL == cfg->video_dev) |
a37b4c9b | 1125 | return NULL; |
215b95ba | 1126 | |
a37b4c9b | 1127 | if (!fe) { |
3157ecef | 1128 | printk(KERN_ERR PREFIX ": No frontend!\n"); |
a37b4c9b | 1129 | return NULL; |
215b95ba MCC |
1130 | } |
1131 | ||
a37b4c9b ML |
1132 | video_dev = cfg->video_dev; |
1133 | ||
aa501be9 CP |
1134 | mutex_lock(&xc2028_list_mutex); |
1135 | ||
215b95ba | 1136 | list_for_each_entry(priv, &xc2028_list, xc2028_list) { |
a37b4c9b ML |
1137 | if (priv->video_dev == cfg->video_dev) { |
1138 | video_dev = NULL; | |
1139 | break; | |
1140 | } | |
215b95ba MCC |
1141 | } |
1142 | ||
a37b4c9b | 1143 | if (video_dev) { |
215b95ba | 1144 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
aa501be9 CP |
1145 | if (priv == NULL) { |
1146 | mutex_unlock(&xc2028_list_mutex); | |
a37b4c9b | 1147 | return NULL; |
aa501be9 | 1148 | } |
3b20532c | 1149 | |
a37b4c9b ML |
1150 | priv->i2c_props.addr = cfg->i2c_addr; |
1151 | priv->i2c_props.adap = cfg->i2c_adap; | |
215b95ba | 1152 | priv->video_dev = video_dev; |
a37b4c9b | 1153 | priv->tuner_callback = cfg->callback; |
0a196b6f | 1154 | priv->ctrl.max_len = 13; |
de3fe21b | 1155 | |
215b95ba MCC |
1156 | mutex_init(&priv->lock); |
1157 | ||
ab0b9fc6 | 1158 | list_add_tail(&priv->xc2028_list, &xc2028_list); |
215b95ba | 1159 | } |
a37b4c9b ML |
1160 | |
1161 | fe->tuner_priv = priv; | |
1808a698 | 1162 | priv->count++; |
215b95ba MCC |
1163 | |
1164 | memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops, | |
ab0b9fc6 | 1165 | sizeof(xc2028_dvb_tuner_ops)); |
215b95ba MCC |
1166 | |
1167 | tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner"); | |
1168 | ||
71a2ee37 MCC |
1169 | if (cfg->ctrl) |
1170 | xc2028_set_config(fe, cfg->ctrl); | |
1171 | ||
aa501be9 CP |
1172 | mutex_unlock(&xc2028_list_mutex); |
1173 | ||
a37b4c9b | 1174 | return fe; |
215b95ba | 1175 | } |
a37b4c9b | 1176 | |
701672eb ML |
1177 | EXPORT_SYMBOL(xc2028_attach); |
1178 | ||
215b95ba | 1179 | MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver"); |
983d214e | 1180 | MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>"); |
215b95ba MCC |
1181 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
1182 | MODULE_LICENSE("GPL"); |