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Commit | Line | Data |
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6cb45879 MCC |
1 | /* tuner-xc2028 |
2 | * | |
33e53161 | 3 | * Copyright (c) 2007-2008 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 | |
83fb340b MCC |
26 | static int debug; |
27 | module_param(debug, int, 0644); | |
28 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); | |
29 | ||
a82200fb MCC |
30 | static char audio_std[8]; |
31 | module_param_string(audio_std, audio_std, sizeof(audio_std), 0); | |
32 | MODULE_PARM_DESC(audio_std, | |
33 | "Audio standard. XC3028 audio decoder explicitly " | |
34 | "needs to know what audio\n" | |
35 | "standard is needed for some video standards with audio A2 or NICAM.\n" | |
36 | "The valid values are:\n" | |
37 | "A2\n" | |
38 | "A2/A\n" | |
39 | "A2/B\n" | |
40 | "NICAM\n" | |
41 | "NICAM/A\n" | |
42 | "NICAM/B\n"); | |
43 | ||
5c913c05 MCC |
44 | static char firmware_name[FIRMWARE_NAME_MAX]; |
45 | module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0); | |
46 | MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the " | |
47 | "default firmware name\n"); | |
48 | ||
215b95ba | 49 | static LIST_HEAD(xc2028_list); |
aa501be9 CP |
50 | static DEFINE_MUTEX(xc2028_list_mutex); |
51 | ||
de3fe21b MCC |
52 | /* struct for storing firmware table */ |
53 | struct firmware_description { | |
54 | unsigned int type; | |
55 | v4l2_std_id id; | |
66c2d53d | 56 | __u16 int_freq; |
de3fe21b MCC |
57 | unsigned char *ptr; |
58 | unsigned int size; | |
59 | }; | |
6cb45879 | 60 | |
e0f0b37a CP |
61 | struct firmware_properties { |
62 | unsigned int type; | |
63 | v4l2_std_id id; | |
64 | v4l2_std_id std_req; | |
66c2d53d | 65 | __u16 int_freq; |
e0f0b37a CP |
66 | unsigned int scode_table; |
67 | int scode_nr; | |
68 | }; | |
69 | ||
6cb45879 | 70 | struct xc2028_data { |
215b95ba MCC |
71 | struct list_head xc2028_list; |
72 | struct tuner_i2c_props i2c_props; | |
73 | int (*tuner_callback) (void *dev, | |
74 | int command, int arg); | |
215b95ba MCC |
75 | void *video_dev; |
76 | int count; | |
de3fe21b MCC |
77 | __u32 frequency; |
78 | ||
79 | struct firmware_description *firm; | |
80 | int firm_size; | |
06fd82dc | 81 | __u16 firm_version; |
de3fe21b | 82 | |
8bf799a6 CP |
83 | __u16 hwmodel; |
84 | __u16 hwvers; | |
85 | ||
de3fe21b | 86 | struct xc2028_ctrl ctrl; |
215b95ba | 87 | |
e0f0b37a | 88 | struct firmware_properties cur_fw; |
215b95ba MCC |
89 | |
90 | struct mutex lock; | |
6cb45879 MCC |
91 | }; |
92 | ||
47cc5b78 CP |
93 | #define i2c_send(priv, buf, size) ({ \ |
94 | int _rc; \ | |
95 | _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \ | |
96 | if (size != _rc) \ | |
97 | tuner_info("i2c output error: rc = %d (should be %d)\n",\ | |
98 | _rc, (int)size); \ | |
99 | _rc; \ | |
100 | }) | |
101 | ||
102 | #define i2c_rcv(priv, buf, size) ({ \ | |
103 | int _rc; \ | |
104 | _rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \ | |
105 | if (size != _rc) \ | |
83fb340b | 106 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ |
47cc5b78 CP |
107 | _rc, (int)size); \ |
108 | _rc; \ | |
109 | }) | |
ab0b9fc6 | 110 | |
7d58d111 CP |
111 | #define i2c_send_recv(priv, obuf, osize, ibuf, isize) ({ \ |
112 | int _rc; \ | |
113 | _rc = tuner_i2c_xfer_send_recv(&priv->i2c_props, obuf, osize, \ | |
114 | ibuf, isize); \ | |
115 | if (isize != _rc) \ | |
116 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ | |
117 | _rc, (int)isize); \ | |
118 | _rc; \ | |
119 | }) | |
120 | ||
47cc5b78 | 121 | #define send_seq(priv, data...) ({ \ |
215b95ba | 122 | static u8 _val[] = data; \ |
47cc5b78 | 123 | int _rc; \ |
6cb45879 | 124 | if (sizeof(_val) != \ |
47cc5b78 | 125 | (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \ |
215b95ba | 126 | _val, sizeof(_val)))) { \ |
47cc5b78 CP |
127 | tuner_err("Error on line %d: %d\n", __LINE__, _rc); \ |
128 | } else \ | |
129 | msleep(10); \ | |
130 | _rc; \ | |
131 | }) | |
6cb45879 | 132 | |
83244025 | 133 | static int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val) |
6cb45879 | 134 | { |
b873e1a3 | 135 | unsigned char buf[2]; |
7d58d111 | 136 | unsigned char ibuf[2]; |
215b95ba | 137 | |
7e28adb2 | 138 | tuner_dbg("%s %04x called\n", __func__, reg); |
6cb45879 | 139 | |
7d58d111 | 140 | buf[0] = reg >> 8; |
80b52208 | 141 | buf[1] = (unsigned char) reg; |
6cb45879 | 142 | |
7d58d111 CP |
143 | if (i2c_send_recv(priv, buf, 2, ibuf, 2) != 2) |
144 | return -EIO; | |
6cb45879 | 145 | |
7d58d111 CP |
146 | *val = (ibuf[1]) | (ibuf[0] << 8); |
147 | return 0; | |
6cb45879 MCC |
148 | } |
149 | ||
e0262688 | 150 | #define dump_firm_type(t) dump_firm_type_and_int_freq(t, 0) |
29bec0bf | 151 | static void dump_firm_type_and_int_freq(unsigned int type, u16 int_freq) |
43efe702 MCC |
152 | { |
153 | if (type & BASE) | |
154 | printk("BASE "); | |
f380e1d2 MCC |
155 | if (type & INIT1) |
156 | printk("INIT1 "); | |
43efe702 MCC |
157 | if (type & F8MHZ) |
158 | printk("F8MHZ "); | |
159 | if (type & MTS) | |
160 | printk("MTS "); | |
161 | if (type & D2620) | |
162 | printk("D2620 "); | |
163 | if (type & D2633) | |
164 | printk("D2633 "); | |
165 | if (type & DTV6) | |
166 | printk("DTV6 "); | |
167 | if (type & QAM) | |
168 | printk("QAM "); | |
169 | if (type & DTV7) | |
170 | printk("DTV7 "); | |
171 | if (type & DTV78) | |
172 | printk("DTV78 "); | |
173 | if (type & DTV8) | |
174 | printk("DTV8 "); | |
175 | if (type & FM) | |
176 | printk("FM "); | |
177 | if (type & INPUT1) | |
178 | printk("INPUT1 "); | |
179 | if (type & LCD) | |
180 | printk("LCD "); | |
181 | if (type & NOGD) | |
182 | printk("NOGD "); | |
183 | if (type & MONO) | |
184 | printk("MONO "); | |
185 | if (type & ATSC) | |
186 | printk("ATSC "); | |
187 | if (type & IF) | |
188 | printk("IF "); | |
189 | if (type & LG60) | |
190 | printk("LG60 "); | |
191 | if (type & ATI638) | |
192 | printk("ATI638 "); | |
193 | if (type & OREN538) | |
194 | printk("OREN538 "); | |
195 | if (type & OREN36) | |
196 | printk("OREN36 "); | |
197 | if (type & TOYOTA388) | |
198 | printk("TOYOTA388 "); | |
199 | if (type & TOYOTA794) | |
200 | printk("TOYOTA794 "); | |
201 | if (type & DIBCOM52) | |
202 | printk("DIBCOM52 "); | |
203 | if (type & ZARLINK456) | |
204 | printk("ZARLINK456 "); | |
205 | if (type & CHINA) | |
206 | printk("CHINA "); | |
207 | if (type & F6MHZ) | |
208 | printk("F6MHZ "); | |
209 | if (type & INPUT2) | |
210 | printk("INPUT2 "); | |
211 | if (type & SCODE) | |
212 | printk("SCODE "); | |
e0262688 CP |
213 | if (type & HAS_IF) |
214 | printk("HAS_IF_%d ", int_freq); | |
43efe702 MCC |
215 | } |
216 | ||
ef8c1888 | 217 | static v4l2_std_id parse_audio_std_option(void) |
a82200fb | 218 | { |
e155d908 | 219 | if (strcasecmp(audio_std, "A2") == 0) |
a82200fb | 220 | return V4L2_STD_A2; |
e155d908 | 221 | if (strcasecmp(audio_std, "A2/A") == 0) |
a82200fb | 222 | return V4L2_STD_A2_A; |
e155d908 | 223 | if (strcasecmp(audio_std, "A2/B") == 0) |
a82200fb | 224 | return V4L2_STD_A2_B; |
e155d908 | 225 | if (strcasecmp(audio_std, "NICAM") == 0) |
a82200fb | 226 | return V4L2_STD_NICAM; |
e155d908 | 227 | if (strcasecmp(audio_std, "NICAM/A") == 0) |
a82200fb | 228 | return V4L2_STD_NICAM_A; |
e155d908 | 229 | if (strcasecmp(audio_std, "NICAM/B") == 0) |
a82200fb MCC |
230 | return V4L2_STD_NICAM_B; |
231 | ||
232 | return 0; | |
233 | } | |
234 | ||
ab0b9fc6 | 235 | static void free_firmware(struct xc2028_data *priv) |
6cb45879 | 236 | { |
de3fe21b | 237 | int i; |
92b75ab0 | 238 | tuner_dbg("%s called\n", __func__); |
de3fe21b MCC |
239 | |
240 | if (!priv->firm) | |
241 | return; | |
242 | ||
ab0b9fc6 MCC |
243 | for (i = 0; i < priv->firm_size; i++) |
244 | kfree(priv->firm[i].ptr); | |
245 | ||
de3fe21b MCC |
246 | kfree(priv->firm); |
247 | ||
ab0b9fc6 | 248 | priv->firm = NULL; |
06fd82dc | 249 | priv->firm_size = 0; |
e0f0b37a CP |
250 | |
251 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
de3fe21b MCC |
252 | } |
253 | ||
ab0b9fc6 | 254 | static int load_all_firmwares(struct dvb_frontend *fe) |
de3fe21b MCC |
255 | { |
256 | struct xc2028_data *priv = fe->tuner_priv; | |
ab0b9fc6 | 257 | const struct firmware *fw = NULL; |
6cb45879 | 258 | unsigned char *p, *endp; |
ab0b9fc6 MCC |
259 | int rc = 0; |
260 | int n, n_array; | |
de3fe21b | 261 | char name[33]; |
5c913c05 | 262 | char *fname; |
6cb45879 | 263 | |
7e28adb2 | 264 | tuner_dbg("%s called\n", __func__); |
215b95ba | 265 | |
5c913c05 MCC |
266 | if (!firmware_name[0]) |
267 | fname = priv->ctrl.fname; | |
268 | else | |
269 | fname = firmware_name; | |
270 | ||
271 | tuner_dbg("Reading firmware %s\n", fname); | |
272 | rc = request_firmware(&fw, fname, &priv->i2c_props.adap->dev); | |
6cb45879 | 273 | if (rc < 0) { |
ab0b9fc6 | 274 | if (rc == -ENOENT) |
83fb340b | 275 | tuner_err("Error: firmware %s not found.\n", |
5c913c05 | 276 | fname); |
2e4160ca | 277 | else |
83fb340b | 278 | tuner_err("Error %d while requesting firmware %s \n", |
5c913c05 | 279 | rc, fname); |
2e4160ca | 280 | |
6cb45879 MCC |
281 | return rc; |
282 | } | |
ab0b9fc6 MCC |
283 | p = fw->data; |
284 | endp = p + fw->size; | |
6cb45879 | 285 | |
06fd82dc CP |
286 | if (fw->size < sizeof(name) - 1 + 2 + 2) { |
287 | tuner_err("Error: firmware file %s has invalid size!\n", | |
5c913c05 | 288 | fname); |
06fd82dc | 289 | goto corrupt; |
6cb45879 | 290 | } |
de3fe21b | 291 | |
ab0b9fc6 MCC |
292 | memcpy(name, p, sizeof(name) - 1); |
293 | name[sizeof(name) - 1] = 0; | |
294 | p += sizeof(name) - 1; | |
de3fe21b | 295 | |
06fd82dc | 296 | priv->firm_version = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
297 | p += 2; |
298 | ||
ab0b9fc6 | 299 | n_array = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
300 | p += 2; |
301 | ||
06fd82dc | 302 | tuner_info("Loading %d firmware images from %s, type: %s, ver %d.%d\n", |
5c913c05 | 303 | n_array, fname, name, |
06fd82dc | 304 | priv->firm_version >> 8, priv->firm_version & 0xff); |
de3fe21b | 305 | |
ab0b9fc6 | 306 | priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); |
06fd82dc CP |
307 | if (priv->firm == NULL) { |
308 | tuner_err("Not enough memory to load firmware file.\n"); | |
ab0b9fc6 | 309 | rc = -ENOMEM; |
06fd82dc | 310 | goto err; |
6cb45879 | 311 | } |
de3fe21b | 312 | priv->firm_size = n_array; |
06fd82dc | 313 | |
ab0b9fc6 MCC |
314 | n = -1; |
315 | while (p < endp) { | |
de3fe21b MCC |
316 | __u32 type, size; |
317 | v4l2_std_id id; | |
66c2d53d | 318 | __u16 int_freq = 0; |
de3fe21b MCC |
319 | |
320 | n++; | |
321 | if (n >= n_array) { | |
06fd82dc CP |
322 | tuner_err("More firmware images in file than " |
323 | "were expected!\n"); | |
de3fe21b MCC |
324 | goto corrupt; |
325 | } | |
326 | ||
327 | /* Checks if there's enough bytes to read */ | |
ab0b9fc6 | 328 | if (p + sizeof(type) + sizeof(id) + sizeof(size) > endp) { |
83fb340b | 329 | tuner_err("Firmware header is incomplete!\n"); |
de3fe21b MCC |
330 | goto corrupt; |
331 | } | |
332 | ||
ab0b9fc6 | 333 | type = le32_to_cpu(*(__u32 *) p); |
de3fe21b MCC |
334 | p += sizeof(type); |
335 | ||
ab0b9fc6 | 336 | id = le64_to_cpu(*(v4l2_std_id *) p); |
de3fe21b MCC |
337 | p += sizeof(id); |
338 | ||
66c2d53d MCC |
339 | if (type & HAS_IF) { |
340 | int_freq = le16_to_cpu(*(__u16 *) p); | |
341 | p += sizeof(int_freq); | |
342 | } | |
343 | ||
2fc580ff | 344 | size = le32_to_cpu(*(__u32 *) p); |
de3fe21b MCC |
345 | p += sizeof(size); |
346 | ||
ab0b9fc6 | 347 | if ((!size) || (size + p > endp)) { |
83fb340b | 348 | tuner_err("Firmware type "); |
43efe702 | 349 | dump_firm_type(type); |
ef8c1888 MCC |
350 | printk("(%x), id %llx is corrupted " |
351 | "(size=%d, expected %d)\n", | |
91240dd9 | 352 | type, (unsigned long long)id, |
ef8c1888 | 353 | (unsigned)(endp - p), size); |
de3fe21b MCC |
354 | goto corrupt; |
355 | } | |
356 | ||
ab0b9fc6 | 357 | priv->firm[n].ptr = kzalloc(size, GFP_KERNEL); |
06fd82dc CP |
358 | if (priv->firm[n].ptr == NULL) { |
359 | tuner_err("Not enough memory to load firmware file.\n"); | |
ab0b9fc6 | 360 | rc = -ENOMEM; |
de3fe21b MCC |
361 | goto err; |
362 | } | |
06fd82dc CP |
363 | tuner_dbg("Reading firmware type "); |
364 | if (debug) { | |
e0262688 | 365 | dump_firm_type_and_int_freq(type, int_freq); |
06fd82dc | 366 | printk("(%x), id %llx, size=%d.\n", |
e0262688 | 367 | type, (unsigned long long)id, size); |
06fd82dc | 368 | } |
de3fe21b MCC |
369 | |
370 | memcpy(priv->firm[n].ptr, p, size); | |
371 | priv->firm[n].type = type; | |
372 | priv->firm[n].id = id; | |
373 | priv->firm[n].size = size; | |
66c2d53d | 374 | priv->firm[n].int_freq = int_freq; |
de3fe21b MCC |
375 | |
376 | p += size; | |
377 | } | |
378 | ||
ab0b9fc6 | 379 | if (n + 1 != priv->firm_size) { |
83fb340b | 380 | tuner_err("Firmware file is incomplete!\n"); |
de3fe21b MCC |
381 | goto corrupt; |
382 | } | |
383 | ||
384 | goto done; | |
385 | ||
386 | corrupt: | |
ab0b9fc6 | 387 | rc = -EINVAL; |
83fb340b | 388 | tuner_err("Error: firmware file is corrupted!\n"); |
de3fe21b MCC |
389 | |
390 | err: | |
06fd82dc | 391 | tuner_info("Releasing partially loaded firmware file.\n"); |
de3fe21b MCC |
392 | free_firmware(priv); |
393 | ||
394 | done: | |
395 | release_firmware(fw); | |
06fd82dc CP |
396 | if (rc == 0) |
397 | tuner_dbg("Firmware files loaded.\n"); | |
de3fe21b MCC |
398 | |
399 | return rc; | |
400 | } | |
401 | ||
f380e1d2 MCC |
402 | static int seek_firmware(struct dvb_frontend *fe, unsigned int type, |
403 | v4l2_std_id *id) | |
de3fe21b MCC |
404 | { |
405 | struct xc2028_data *priv = fe->tuner_priv; | |
b1535293 | 406 | int i, best_i = -1, best_nr_matches = 0; |
33e53161 | 407 | unsigned int type_mask = 0; |
de3fe21b | 408 | |
7e28adb2 | 409 | tuner_dbg("%s called, want type=", __func__); |
b1535293 CP |
410 | if (debug) { |
411 | dump_firm_type(type); | |
412 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); | |
413 | } | |
de3fe21b MCC |
414 | |
415 | if (!priv->firm) { | |
83fb340b | 416 | tuner_err("Error! firmware not loaded\n"); |
de3fe21b MCC |
417 | return -EINVAL; |
418 | } | |
419 | ||
f380e1d2 | 420 | if (((type & ~SCODE) == 0) && (*id == 0)) |
ab0b9fc6 | 421 | *id = V4L2_STD_PAL; |
de3fe21b | 422 | |
e0f0b37a | 423 | if (type & BASE) |
33e53161 | 424 | type_mask = BASE_TYPES; |
ef207fed | 425 | else if (type & SCODE) { |
e0f0b37a | 426 | type &= SCODE_TYPES; |
33e53161 | 427 | type_mask = SCODE_TYPES & ~HAS_IF; |
ef207fed | 428 | } else if (type & DTV_TYPES) |
33e53161 | 429 | type_mask = DTV_TYPES; |
11a9eff9 | 430 | else if (type & STD_SPECIFIC_TYPES) |
33e53161 MCC |
431 | type_mask = STD_SPECIFIC_TYPES; |
432 | ||
433 | type &= type_mask; | |
434 | ||
435 | if (!type & SCODE) | |
436 | type_mask = ~0; | |
e0f0b37a | 437 | |
de3fe21b | 438 | /* Seek for exact match */ |
ab0b9fc6 | 439 | for (i = 0; i < priv->firm_size; i++) { |
33e53161 | 440 | if ((type == (priv->firm[i].type & type_mask)) && |
ef207fed | 441 | (*id == priv->firm[i].id)) |
de3fe21b MCC |
442 | goto found; |
443 | } | |
444 | ||
445 | /* Seek for generic video standard match */ | |
ab0b9fc6 | 446 | for (i = 0; i < priv->firm_size; i++) { |
b1535293 CP |
447 | v4l2_std_id match_mask; |
448 | int nr_matches; | |
449 | ||
33e53161 | 450 | if (type != (priv->firm[i].type & type_mask)) |
b1535293 CP |
451 | continue; |
452 | ||
453 | match_mask = *id & priv->firm[i].id; | |
454 | if (!match_mask) | |
455 | continue; | |
456 | ||
457 | if ((*id & match_mask) == *id) | |
458 | goto found; /* Supports all the requested standards */ | |
459 | ||
460 | nr_matches = hweight64(match_mask); | |
461 | if (nr_matches > best_nr_matches) { | |
462 | best_nr_matches = nr_matches; | |
463 | best_i = i; | |
464 | } | |
465 | } | |
466 | ||
467 | if (best_nr_matches > 0) { | |
468 | tuner_dbg("Selecting best matching firmware (%d bits) for " | |
469 | "type=", best_nr_matches); | |
470 | dump_firm_type(type); | |
471 | printk("(%x), id %016llx:\n", type, (unsigned long long)*id); | |
472 | i = best_i; | |
473 | goto found; | |
de3fe21b MCC |
474 | } |
475 | ||
476 | /*FIXME: Would make sense to seek for type "hint" match ? */ | |
477 | ||
b1535293 | 478 | i = -ENOENT; |
f380e1d2 | 479 | goto ret; |
de3fe21b MCC |
480 | |
481 | found: | |
482 | *id = priv->firm[i].id; | |
de3fe21b | 483 | |
f380e1d2 | 484 | ret: |
b1535293 | 485 | tuner_dbg("%s firmware for type=", (i < 0) ? "Can't find" : "Found"); |
83fb340b MCC |
486 | if (debug) { |
487 | dump_firm_type(type); | |
91240dd9 | 488 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); |
83fb340b | 489 | } |
f380e1d2 MCC |
490 | return i; |
491 | } | |
492 | ||
493 | static int load_firmware(struct dvb_frontend *fe, unsigned int type, | |
494 | v4l2_std_id *id) | |
495 | { | |
496 | struct xc2028_data *priv = fe->tuner_priv; | |
497 | int pos, rc; | |
0a196b6f | 498 | unsigned char *p, *endp, buf[priv->ctrl.max_len]; |
f380e1d2 | 499 | |
7e28adb2 | 500 | tuner_dbg("%s called\n", __func__); |
f380e1d2 MCC |
501 | |
502 | pos = seek_firmware(fe, type, id); | |
503 | if (pos < 0) | |
504 | return pos; | |
505 | ||
83fb340b | 506 | tuner_info("Loading firmware for type="); |
b1535293 CP |
507 | dump_firm_type(priv->firm[pos].type); |
508 | printk("(%x), id %016llx.\n", priv->firm[pos].type, | |
509 | (unsigned long long)*id); | |
83fb340b | 510 | |
f380e1d2 | 511 | p = priv->firm[pos].ptr; |
f380e1d2 | 512 | endp = p + priv->firm[pos].size; |
6cb45879 | 513 | |
ab0b9fc6 | 514 | while (p < endp) { |
de3fe21b MCC |
515 | __u16 size; |
516 | ||
517 | /* Checks if there's enough bytes to read */ | |
ab0b9fc6 | 518 | if (p + sizeof(size) > endp) { |
83fb340b | 519 | tuner_err("Firmware chunk size is wrong\n"); |
de3fe21b MCC |
520 | return -EINVAL; |
521 | } | |
522 | ||
ab0b9fc6 | 523 | size = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
524 | p += sizeof(size); |
525 | ||
526 | if (size == 0xffff) | |
527 | return 0; | |
528 | ||
529 | if (!size) { | |
6cb45879 | 530 | /* Special callback command received */ |
215b95ba | 531 | rc = priv->tuner_callback(priv->video_dev, |
ab0b9fc6 MCC |
532 | XC2028_TUNER_RESET, 0); |
533 | if (rc < 0) { | |
83fb340b | 534 | tuner_err("Error at RESET code %d\n", |
ab0b9fc6 | 535 | (*p) & 0x7f); |
de3fe21b | 536 | return -EINVAL; |
6cb45879 | 537 | } |
6cb45879 MCC |
538 | continue; |
539 | } | |
5403bbae ML |
540 | if (size >= 0xff00) { |
541 | switch (size) { | |
542 | case 0xff00: | |
543 | rc = priv->tuner_callback(priv->video_dev, | |
544 | XC2028_RESET_CLK, 0); | |
545 | if (rc < 0) { | |
546 | tuner_err("Error at RESET code %d\n", | |
547 | (*p) & 0x7f); | |
548 | return -EINVAL; | |
549 | } | |
b32f9fb9 | 550 | break; |
5403bbae ML |
551 | default: |
552 | tuner_info("Invalid RESET code %d\n", | |
553 | size & 0x7f); | |
554 | return -EINVAL; | |
555 | ||
556 | } | |
2d4c0ac6 | 557 | continue; |
5403bbae | 558 | } |
de3fe21b MCC |
559 | |
560 | /* Checks for a sleep command */ | |
561 | if (size & 0x8000) { | |
ab0b9fc6 | 562 | msleep(size & 0x7fff); |
de3fe21b | 563 | continue; |
6cb45879 MCC |
564 | } |
565 | ||
de3fe21b | 566 | if ((size + p > endp)) { |
83fb340b | 567 | tuner_err("missing bytes: need %d, have %d\n", |
ab0b9fc6 | 568 | size, (int)(endp - p)); |
de3fe21b MCC |
569 | return -EINVAL; |
570 | } | |
6cb45879 | 571 | |
de3fe21b | 572 | buf[0] = *p; |
6cb45879 | 573 | p++; |
de3fe21b | 574 | size--; |
6cb45879 | 575 | |
de3fe21b | 576 | /* Sends message chunks */ |
ab0b9fc6 | 577 | while (size > 0) { |
0a196b6f CP |
578 | int len = (size < priv->ctrl.max_len - 1) ? |
579 | size : priv->ctrl.max_len - 1; | |
6cb45879 | 580 | |
ab0b9fc6 | 581 | memcpy(buf + 1, p, len); |
6cb45879 | 582 | |
47cc5b78 | 583 | rc = i2c_send(priv, buf, len + 1); |
ab0b9fc6 | 584 | if (rc < 0) { |
83fb340b | 585 | tuner_err("%d returned from send\n", rc); |
de3fe21b MCC |
586 | return -EINVAL; |
587 | } | |
588 | ||
589 | p += len; | |
590 | size -= len; | |
591 | } | |
592 | } | |
43efe702 | 593 | return 0; |
6cb45879 MCC |
594 | } |
595 | ||
f380e1d2 | 596 | static int load_scode(struct dvb_frontend *fe, unsigned int type, |
66c2d53d | 597 | v4l2_std_id *id, __u16 int_freq, int scode) |
f380e1d2 MCC |
598 | { |
599 | struct xc2028_data *priv = fe->tuner_priv; | |
600 | int pos, rc; | |
601 | unsigned char *p; | |
602 | ||
7e28adb2 | 603 | tuner_dbg("%s called\n", __func__); |
f380e1d2 | 604 | |
66c2d53d MCC |
605 | if (!int_freq) { |
606 | pos = seek_firmware(fe, type, id); | |
607 | if (pos < 0) | |
608 | return pos; | |
609 | } else { | |
610 | for (pos = 0; pos < priv->firm_size; pos++) { | |
611 | if ((priv->firm[pos].int_freq == int_freq) && | |
9ca01e78 | 612 | (priv->firm[pos].type & HAS_IF)) |
66c2d53d MCC |
613 | break; |
614 | } | |
615 | if (pos == priv->firm_size) | |
616 | return -ENOENT; | |
617 | } | |
f380e1d2 MCC |
618 | |
619 | p = priv->firm[pos].ptr; | |
620 | ||
9ca01e78 | 621 | if (priv->firm[pos].type & HAS_IF) { |
66c2d53d MCC |
622 | if (priv->firm[pos].size != 12 * 16 || scode >= 16) |
623 | return -EINVAL; | |
624 | p += 12 * scode; | |
625 | } else { | |
626 | /* 16 SCODE entries per file; each SCODE entry is 12 bytes and | |
627 | * has a 2-byte size header in the firmware format. */ | |
628 | if (priv->firm[pos].size != 14 * 16 || scode >= 16 || | |
629 | le16_to_cpu(*(__u16 *)(p + 14 * scode)) != 12) | |
630 | return -EINVAL; | |
631 | p += 14 * scode + 2; | |
632 | } | |
f380e1d2 | 633 | |
d7b22c5c | 634 | tuner_info("Loading SCODE for type="); |
e0262688 CP |
635 | dump_firm_type_and_int_freq(priv->firm[pos].type, |
636 | priv->firm[pos].int_freq); | |
d7b22c5c CP |
637 | printk("(%x), id %016llx.\n", priv->firm[pos].type, |
638 | (unsigned long long)*id); | |
639 | ||
06fd82dc | 640 | if (priv->firm_version < 0x0202) |
47cc5b78 CP |
641 | rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00}); |
642 | else | |
643 | rc = send_seq(priv, {0xa0, 0x00, 0x00, 0x00}); | |
644 | if (rc < 0) | |
645 | return -EIO; | |
f380e1d2 | 646 | |
66c2d53d | 647 | rc = i2c_send(priv, p, 12); |
47cc5b78 CP |
648 | if (rc < 0) |
649 | return -EIO; | |
f380e1d2 | 650 | |
47cc5b78 CP |
651 | rc = send_seq(priv, {0x00, 0x8c}); |
652 | if (rc < 0) | |
653 | return -EIO; | |
f380e1d2 MCC |
654 | |
655 | return 0; | |
656 | } | |
657 | ||
00deff1a | 658 | static int check_firmware(struct dvb_frontend *fe, unsigned int type, |
66c2d53d | 659 | v4l2_std_id std, __u16 int_freq) |
6cb45879 | 660 | { |
00deff1a | 661 | struct xc2028_data *priv = fe->tuner_priv; |
e0f0b37a | 662 | struct firmware_properties new_fw; |
00deff1a MCC |
663 | int rc = 0, is_retry = 0; |
664 | u16 version, hwmodel; | |
665 | v4l2_std_id std0; | |
6cb45879 | 666 | |
7e28adb2 | 667 | tuner_dbg("%s called\n", __func__); |
6cb45879 | 668 | |
de3fe21b | 669 | if (!priv->firm) { |
a37b4c9b ML |
670 | if (!priv->ctrl.fname) { |
671 | tuner_info("xc2028/3028 firmware name not set!\n"); | |
de3fe21b | 672 | return -EINVAL; |
a37b4c9b | 673 | } |
de3fe21b | 674 | |
ab0b9fc6 MCC |
675 | rc = load_all_firmwares(fe); |
676 | if (rc < 0) | |
de3fe21b MCC |
677 | return rc; |
678 | } | |
679 | ||
0f6dac18 | 680 | if (priv->ctrl.mts && !(type & FM)) |
e0f0b37a | 681 | type |= MTS; |
6cb45879 | 682 | |
8bf799a6 | 683 | retry: |
e0f0b37a CP |
684 | new_fw.type = type; |
685 | new_fw.id = std; | |
686 | new_fw.std_req = std; | |
687 | new_fw.scode_table = SCODE | priv->ctrl.scode_table; | |
688 | new_fw.scode_nr = 0; | |
66c2d53d | 689 | new_fw.int_freq = int_freq; |
e0f0b37a CP |
690 | |
691 | tuner_dbg("checking firmware, user requested type="); | |
692 | if (debug) { | |
693 | dump_firm_type(new_fw.type); | |
e0262688 | 694 | printk("(%x), id %016llx, ", new_fw.type, |
e0f0b37a | 695 | (unsigned long long)new_fw.std_req); |
e0262688 CP |
696 | if (!int_freq) { |
697 | printk("scode_tbl "); | |
698 | dump_firm_type(priv->ctrl.scode_table); | |
699 | printk("(%x), ", priv->ctrl.scode_table); | |
700 | } else | |
701 | printk("int_freq %d, ", new_fw.int_freq); | |
702 | printk("scode_nr %d\n", new_fw.scode_nr); | |
e0f0b37a CP |
703 | } |
704 | ||
705 | /* No need to reload base firmware if it matches */ | |
706 | if (((BASE | new_fw.type) & BASE_TYPES) == | |
707 | (priv->cur_fw.type & BASE_TYPES)) { | |
708 | tuner_dbg("BASE firmware not changed.\n"); | |
709 | goto skip_base; | |
710 | } | |
711 | ||
712 | /* Updating BASE - forget about all currently loaded firmware */ | |
713 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
714 | ||
715 | /* Reset is needed before loading firmware */ | |
716 | rc = priv->tuner_callback(priv->video_dev, | |
717 | XC2028_TUNER_RESET, 0); | |
718 | if (rc < 0) | |
719 | goto fail; | |
720 | ||
47bd5bc6 CP |
721 | /* BASE firmwares are all std0 */ |
722 | std0 = 0; | |
723 | rc = load_firmware(fe, BASE | new_fw.type, &std0); | |
e0f0b37a CP |
724 | if (rc < 0) { |
725 | tuner_err("Error %d while loading base firmware\n", | |
726 | rc); | |
727 | goto fail; | |
728 | } | |
5403bbae | 729 | |
de3fe21b | 730 | /* Load INIT1, if needed */ |
83fb340b | 731 | tuner_dbg("Load init1 firmware, if exists\n"); |
de3fe21b | 732 | |
47bd5bc6 | 733 | rc = load_firmware(fe, BASE | INIT1 | new_fw.type, &std0); |
1ad0b796 CP |
734 | if (rc == -ENOENT) |
735 | rc = load_firmware(fe, (BASE | INIT1 | new_fw.type) & ~F8MHZ, | |
736 | &std0); | |
e0f0b37a CP |
737 | if (rc < 0 && rc != -ENOENT) { |
738 | tuner_err("Error %d while loading init1 firmware\n", | |
739 | rc); | |
740 | goto fail; | |
741 | } | |
de3fe21b | 742 | |
e0f0b37a CP |
743 | skip_base: |
744 | /* | |
745 | * No need to reload standard specific firmware if base firmware | |
746 | * was not reloaded and requested video standards have not changed. | |
de3fe21b | 747 | */ |
e0f0b37a CP |
748 | if (priv->cur_fw.type == (BASE | new_fw.type) && |
749 | priv->cur_fw.std_req == std) { | |
83fb340b | 750 | tuner_dbg("Std-specific firmware already loaded.\n"); |
e0f0b37a | 751 | goto skip_std_specific; |
2e4160ca | 752 | } |
6cb45879 | 753 | |
e0f0b37a CP |
754 | /* Reloading std-specific firmware forces a SCODE update */ |
755 | priv->cur_fw.scode_table = 0; | |
756 | ||
e0f0b37a | 757 | rc = load_firmware(fe, new_fw.type, &new_fw.id); |
cca83798 MCC |
758 | if (rc == -ENOENT) |
759 | rc = load_firmware(fe, new_fw.type & ~F8MHZ, &new_fw.id); | |
760 | ||
ab0b9fc6 | 761 | if (rc < 0) |
e0f0b37a CP |
762 | goto fail; |
763 | ||
764 | skip_std_specific: | |
765 | if (priv->cur_fw.scode_table == new_fw.scode_table && | |
766 | priv->cur_fw.scode_nr == new_fw.scode_nr) { | |
767 | tuner_dbg("SCODE firmware already loaded.\n"); | |
768 | goto check_device; | |
769 | } | |
6cb45879 | 770 | |
40ae91a7 MCC |
771 | if (new_fw.type & FM) |
772 | goto check_device; | |
773 | ||
f380e1d2 | 774 | /* Load SCODE firmware, if exists */ |
e0f0b37a | 775 | tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr); |
f380e1d2 | 776 | |
66c2d53d MCC |
777 | rc = load_scode(fe, new_fw.type | new_fw.scode_table, &new_fw.id, |
778 | new_fw.int_freq, new_fw.scode_nr); | |
43efe702 | 779 | |
e0f0b37a | 780 | check_device: |
8bf799a6 CP |
781 | if (xc2028_get_reg(priv, 0x0004, &version) < 0 || |
782 | xc2028_get_reg(priv, 0x0008, &hwmodel) < 0) { | |
783 | tuner_err("Unable to read tuner registers.\n"); | |
784 | goto fail; | |
785 | } | |
80b52208 | 786 | |
b37f2d6a DH |
787 | tuner_dbg("Device is Xceive %d version %d.%d, " |
788 | "firmware version %d.%d\n", | |
789 | hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8, | |
790 | (version & 0xf0) >> 4, version & 0xf); | |
6cb45879 | 791 | |
8bf799a6 CP |
792 | /* Check firmware version against what we downloaded. */ |
793 | if (priv->firm_version != ((version & 0xf0) << 4 | (version & 0x0f))) { | |
794 | tuner_err("Incorrect readback of firmware version.\n"); | |
795 | goto fail; | |
796 | } | |
797 | ||
798 | /* Check that the tuner hardware model remains consistent over time. */ | |
799 | if (priv->hwmodel == 0 && (hwmodel == 2028 || hwmodel == 3028)) { | |
800 | priv->hwmodel = hwmodel; | |
801 | priv->hwvers = version & 0xff00; | |
802 | } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel || | |
803 | priv->hwvers != (version & 0xff00)) { | |
804 | tuner_err("Read invalid device hardware information - tuner " | |
805 | "hung?\n"); | |
806 | goto fail; | |
807 | } | |
808 | ||
e0f0b37a CP |
809 | memcpy(&priv->cur_fw, &new_fw, sizeof(priv->cur_fw)); |
810 | ||
811 | /* | |
812 | * By setting BASE in cur_fw.type only after successfully loading all | |
813 | * firmwares, we can: | |
814 | * 1. Identify that BASE firmware with type=0 has been loaded; | |
815 | * 2. Tell whether BASE firmware was just changed the next time through. | |
816 | */ | |
817 | priv->cur_fw.type |= BASE; | |
6cb45879 MCC |
818 | |
819 | return 0; | |
e0f0b37a CP |
820 | |
821 | fail: | |
822 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
8bf799a6 CP |
823 | if (!is_retry) { |
824 | msleep(50); | |
825 | is_retry = 1; | |
826 | tuner_dbg("Retrying firmware load\n"); | |
827 | goto retry; | |
828 | } | |
829 | ||
e0f0b37a CP |
830 | if (rc == -ENOENT) |
831 | rc = -EINVAL; | |
832 | return rc; | |
6cb45879 MCC |
833 | } |
834 | ||
215b95ba | 835 | static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) |
6cb45879 | 836 | { |
215b95ba | 837 | struct xc2028_data *priv = fe->tuner_priv; |
7d58d111 CP |
838 | u16 frq_lock, signal = 0; |
839 | int rc; | |
3b20532c | 840 | |
7e28adb2 | 841 | tuner_dbg("%s called\n", __func__); |
6cb45879 | 842 | |
215b95ba | 843 | mutex_lock(&priv->lock); |
6cb45879 | 844 | |
80b52208 | 845 | /* Sync Lock Indicator */ |
7d58d111 | 846 | rc = xc2028_get_reg(priv, 0x0002, &frq_lock); |
b0166ab3 | 847 | if (rc < 0) |
3b20532c | 848 | goto ret; |
6cb45879 | 849 | |
b0166ab3 MCC |
850 | /* Frequency is locked */ |
851 | if (frq_lock == 1) | |
852 | signal = 32768; | |
6cb45879 | 853 | |
80b52208 | 854 | /* Get SNR of the video signal */ |
7d58d111 CP |
855 | rc = xc2028_get_reg(priv, 0x0040, &signal); |
856 | if (rc < 0) | |
b0166ab3 MCC |
857 | goto ret; |
858 | ||
859 | /* Use both frq_lock and signal to generate the result */ | |
860 | signal = signal || ((signal & 0x07) << 12); | |
3b20532c MCC |
861 | |
862 | ret: | |
215b95ba MCC |
863 | mutex_unlock(&priv->lock); |
864 | ||
865 | *strength = signal; | |
6cb45879 | 866 | |
b0166ab3 MCC |
867 | tuner_dbg("signal strength is %d\n", signal); |
868 | ||
7d58d111 | 869 | return rc; |
6cb45879 MCC |
870 | } |
871 | ||
872 | #define DIV 15625 | |
873 | ||
00deff1a | 874 | static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */, |
66c2d53d MCC |
875 | enum tuner_mode new_mode, |
876 | unsigned int type, | |
877 | v4l2_std_id std, | |
878 | u16 int_freq) | |
6cb45879 | 879 | { |
215b95ba | 880 | struct xc2028_data *priv = fe->tuner_priv; |
ab0b9fc6 | 881 | int rc = -EINVAL; |
2ce4b3aa | 882 | unsigned char buf[4]; |
ab0b9fc6 | 883 | u32 div, offset = 0; |
6cb45879 | 884 | |
7e28adb2 | 885 | tuner_dbg("%s called\n", __func__); |
215b95ba | 886 | |
de3fe21b MCC |
887 | mutex_lock(&priv->lock); |
888 | ||
2ce4b3aa | 889 | tuner_dbg("should set frequency %d kHz\n", freq / 1000); |
6cb45879 | 890 | |
66c2d53d | 891 | if (check_firmware(fe, type, std, int_freq) < 0) |
3b20532c | 892 | goto ret; |
2e4160ca | 893 | |
2800ae9c MCC |
894 | /* On some cases xc2028 can disable video output, if |
895 | * very weak signals are received. By sending a soft | |
896 | * reset, this is re-enabled. So, it is better to always | |
897 | * send a soft reset before changing channels, to be sure | |
898 | * that xc2028 will be in a safe state. | |
899 | * Maybe this might also be needed for DTV. | |
900 | */ | |
00deff1a | 901 | if (new_mode == T_ANALOG_TV) { |
2800ae9c | 902 | rc = send_seq(priv, {0x00, 0x00}); |
d536c9df MK |
903 | } else if (priv->cur_fw.type & ATSC) { |
904 | offset = 1750000; | |
905 | } else { | |
d4e76681 | 906 | offset = 2750000; |
897b8422 CP |
907 | /* |
908 | * We must adjust the offset by 500kHz in two cases in order | |
909 | * to correctly center the IF output: | |
910 | * 1) When the ZARLINK456 or DIBCOM52 tables were explicitly | |
911 | * selected and a 7MHz channel is tuned; | |
912 | * 2) When tuning a VHF channel with DTV78 firmware. | |
913 | */ | |
914 | if (((priv->cur_fw.type & DTV7) && | |
915 | (priv->cur_fw.scode_table & (ZARLINK456 | DIBCOM52))) || | |
916 | ((priv->cur_fw.type & DTV78) && freq < 470000000)) | |
a44f1c43 CP |
917 | offset -= 500000; |
918 | } | |
2e4160ca | 919 | |
ab0b9fc6 | 920 | div = (freq - offset + DIV / 2) / DIV; |
2e4160ca | 921 | |
6cb45879 | 922 | /* CMD= Set frequency */ |
06fd82dc | 923 | if (priv->firm_version < 0x0202) |
47cc5b78 CP |
924 | rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00}); |
925 | else | |
926 | rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00}); | |
927 | if (rc < 0) | |
928 | goto ret; | |
de3fe21b | 929 | |
1fe87369 MCC |
930 | /* Return code shouldn't be checked. |
931 | The reset CLK is needed only with tm6000. | |
932 | Driver should work fine even if this fails. | |
933 | */ | |
934 | priv->tuner_callback(priv->video_dev, XC2028_RESET_CLK, 1); | |
6cb45879 MCC |
935 | |
936 | msleep(10); | |
701672eb | 937 | |
ab0b9fc6 MCC |
938 | buf[0] = 0xff & (div >> 24); |
939 | buf[1] = 0xff & (div >> 16); | |
940 | buf[2] = 0xff & (div >> 8); | |
941 | buf[3] = 0xff & (div); | |
6cb45879 | 942 | |
47cc5b78 | 943 | rc = i2c_send(priv, buf, sizeof(buf)); |
ab0b9fc6 | 944 | if (rc < 0) |
3b20532c | 945 | goto ret; |
6cb45879 MCC |
946 | msleep(100); |
947 | ||
ab0b9fc6 | 948 | priv->frequency = freq; |
215b95ba | 949 | |
2ce4b3aa CP |
950 | tuner_dbg("divisor= %02x %02x %02x %02x (freq=%d.%03d)\n", |
951 | buf[0], buf[1], buf[2], buf[3], | |
952 | freq / 1000000, (freq % 1000000) / 1000); | |
3b20532c | 953 | |
ab0b9fc6 | 954 | rc = 0; |
6cb45879 | 955 | |
215b95ba MCC |
956 | ret: |
957 | mutex_unlock(&priv->lock); | |
6cb45879 | 958 | |
215b95ba | 959 | return rc; |
701672eb ML |
960 | } |
961 | ||
00deff1a | 962 | static int xc2028_set_analog_freq(struct dvb_frontend *fe, |
ab0b9fc6 | 963 | struct analog_parameters *p) |
6cb45879 | 964 | { |
215b95ba | 965 | struct xc2028_data *priv = fe->tuner_priv; |
00deff1a MCC |
966 | unsigned int type=0; |
967 | ||
7e28adb2 | 968 | tuner_dbg("%s called\n", __func__); |
c71d4bc5 | 969 | |
d74cb25e MCC |
970 | if (p->mode == V4L2_TUNER_RADIO) { |
971 | type |= FM; | |
972 | if (priv->ctrl.input1) | |
973 | type |= INPUT1; | |
974 | return generic_set_freq(fe, (625l * p->frequency) / 10, | |
66c2d53d | 975 | T_ANALOG_TV, type, 0, 0); |
d74cb25e MCC |
976 | } |
977 | ||
a5e9fe14 MCC |
978 | /* if std is not defined, choose one */ |
979 | if (!p->std) | |
980 | p->std = V4L2_STD_MN; | |
981 | ||
982 | /* PAL/M, PAL/N, PAL/Nc and NTSC variants should use 6MHz firmware */ | |
00deff1a MCC |
983 | if (!(p->std & V4L2_STD_MN)) |
984 | type |= F8MHZ; | |
6cb45879 | 985 | |
00deff1a MCC |
986 | /* Add audio hack to std mask */ |
987 | p->std |= parse_audio_std_option(); | |
6cb45879 | 988 | |
00deff1a | 989 | return generic_set_freq(fe, 62500l * p->frequency, |
66c2d53d | 990 | T_ANALOG_TV, type, p->std, 0); |
215b95ba | 991 | } |
6cb45879 | 992 | |
215b95ba MCC |
993 | static int xc2028_set_params(struct dvb_frontend *fe, |
994 | struct dvb_frontend_parameters *p) | |
6cb45879 | 995 | { |
215b95ba | 996 | struct xc2028_data *priv = fe->tuner_priv; |
00deff1a | 997 | unsigned int type=0; |
d04aa54a | 998 | fe_bandwidth_t bw = BANDWIDTH_8_MHZ; |
ad35ce9e | 999 | u16 demod = 0; |
6cb45879 | 1000 | |
7e28adb2 | 1001 | tuner_dbg("%s called\n", __func__); |
701672eb | 1002 | |
00deff1a MCC |
1003 | if (priv->ctrl.d2633) |
1004 | type |= D2633; | |
1005 | else | |
1006 | type |= D2620; | |
1007 | ||
d04aa54a | 1008 | switch(fe->ops.info.type) { |
d04aa54a MCC |
1009 | case FE_OFDM: |
1010 | bw = p->u.ofdm.bandwidth; | |
1011 | break; | |
1012 | case FE_QAM: | |
5c15648a MCC |
1013 | tuner_info("WARN: There are some reports that " |
1014 | "QAM 6 MHz doesn't work.\n" | |
1015 | "If this works for you, please report by " | |
1016 | "e-mail to: v4l-dvb-maintainer@linuxtv.org\n"); | |
d04aa54a MCC |
1017 | bw = BANDWIDTH_6_MHZ; |
1018 | type |= QAM; | |
1019 | break; | |
1020 | case FE_ATSC: | |
1021 | bw = BANDWIDTH_6_MHZ; | |
4bfae52b MCC |
1022 | /* The only ATSC firmware (at least on v2.7) is D2633, |
1023 | so overrides ctrl->d2633 */ | |
d04aa54a | 1024 | type |= ATSC| D2633; |
4bfae52b | 1025 | type &= ~D2620; |
d04aa54a | 1026 | break; |
5c15648a MCC |
1027 | /* DVB-S is not supported */ |
1028 | default: | |
1029 | return -EINVAL; | |
d04aa54a MCC |
1030 | } |
1031 | ||
00deff1a MCC |
1032 | switch (bw) { |
1033 | case BANDWIDTH_8_MHZ: | |
3dfefc50 CP |
1034 | if (p->frequency < 470000000) |
1035 | priv->ctrl.vhfbw7 = 0; | |
1036 | else | |
1037 | priv->ctrl.uhfbw8 = 1; | |
1038 | type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8; | |
1039 | type |= F8MHZ; | |
00deff1a MCC |
1040 | break; |
1041 | case BANDWIDTH_7_MHZ: | |
3dfefc50 CP |
1042 | if (p->frequency < 470000000) |
1043 | priv->ctrl.vhfbw7 = 1; | |
1044 | else | |
1045 | priv->ctrl.uhfbw8 = 0; | |
1046 | type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7; | |
1047 | type |= F8MHZ; | |
00deff1a MCC |
1048 | break; |
1049 | case BANDWIDTH_6_MHZ: | |
3dfefc50 CP |
1050 | type |= DTV6; |
1051 | priv->ctrl.vhfbw7 = 0; | |
1052 | priv->ctrl.uhfbw8 = 0; | |
00deff1a MCC |
1053 | break; |
1054 | default: | |
1055 | tuner_err("error: bandwidth not supported.\n"); | |
1056 | }; | |
1057 | ||
66c2d53d MCC |
1058 | /* All S-code tables need a 200kHz shift */ |
1059 | if (priv->ctrl.demod) | |
ad35ce9e | 1060 | demod = priv->ctrl.demod + 200; |
b542dfdc | 1061 | |
00deff1a | 1062 | return generic_set_freq(fe, p->frequency, |
ad35ce9e | 1063 | T_DIGITAL_TV, type, 0, demod); |
6cb45879 | 1064 | } |
701672eb | 1065 | |
45819c38 | 1066 | |
215b95ba | 1067 | static int xc2028_dvb_release(struct dvb_frontend *fe) |
701672eb | 1068 | { |
215b95ba MCC |
1069 | struct xc2028_data *priv = fe->tuner_priv; |
1070 | ||
7e28adb2 | 1071 | tuner_dbg("%s called\n", __func__); |
701672eb | 1072 | |
aa501be9 CP |
1073 | mutex_lock(&xc2028_list_mutex); |
1074 | ||
215b95ba | 1075 | priv->count--; |
701672eb | 1076 | |
de3fe21b | 1077 | if (!priv->count) { |
1808a698 MCC |
1078 | list_del(&priv->xc2028_list); |
1079 | ||
ab0b9fc6 | 1080 | kfree(priv->ctrl.fname); |
de3fe21b MCC |
1081 | |
1082 | free_firmware(priv); | |
ab0b9fc6 | 1083 | kfree(priv); |
06fd82dc | 1084 | fe->tuner_priv = NULL; |
de3fe21b | 1085 | } |
701672eb | 1086 | |
aa501be9 CP |
1087 | mutex_unlock(&xc2028_list_mutex); |
1088 | ||
701672eb ML |
1089 | return 0; |
1090 | } | |
1091 | ||
215b95ba | 1092 | static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
701672eb | 1093 | { |
215b95ba | 1094 | struct xc2028_data *priv = fe->tuner_priv; |
701672eb | 1095 | |
7e28adb2 | 1096 | tuner_dbg("%s called\n", __func__); |
701672eb | 1097 | |
215b95ba | 1098 | *frequency = priv->frequency; |
701672eb ML |
1099 | |
1100 | return 0; | |
1101 | } | |
1102 | ||
ab0b9fc6 | 1103 | static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg) |
de3fe21b MCC |
1104 | { |
1105 | struct xc2028_data *priv = fe->tuner_priv; | |
1106 | struct xc2028_ctrl *p = priv_cfg; | |
0a196b6f | 1107 | int rc = 0; |
de3fe21b | 1108 | |
7e28adb2 | 1109 | tuner_dbg("%s called\n", __func__); |
de3fe21b | 1110 | |
06fd82dc CP |
1111 | mutex_lock(&priv->lock); |
1112 | ||
0a196b6f | 1113 | memcpy(&priv->ctrl, p, sizeof(priv->ctrl)); |
92b75ab0 MCC |
1114 | if (priv->ctrl.max_len < 9) |
1115 | priv->ctrl.max_len = 13; | |
de3fe21b | 1116 | |
0a196b6f | 1117 | if (p->fname) { |
92b75ab0 MCC |
1118 | if (priv->ctrl.fname && strcmp(p->fname, priv->ctrl.fname)) { |
1119 | kfree(priv->ctrl.fname); | |
1120 | free_firmware(priv); | |
1121 | } | |
1122 | ||
0a196b6f CP |
1123 | priv->ctrl.fname = kstrdup(p->fname, GFP_KERNEL); |
1124 | if (priv->ctrl.fname == NULL) | |
1125 | rc = -ENOMEM; | |
de3fe21b MCC |
1126 | } |
1127 | ||
06fd82dc CP |
1128 | mutex_unlock(&priv->lock); |
1129 | ||
0a196b6f | 1130 | return rc; |
de3fe21b MCC |
1131 | } |
1132 | ||
215b95ba | 1133 | static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = { |
701672eb | 1134 | .info = { |
ab0b9fc6 MCC |
1135 | .name = "Xceive XC3028", |
1136 | .frequency_min = 42000000, | |
1137 | .frequency_max = 864000000, | |
1138 | .frequency_step = 50000, | |
1139 | }, | |
701672eb | 1140 | |
de3fe21b | 1141 | .set_config = xc2028_set_config, |
00deff1a | 1142 | .set_analog_params = xc2028_set_analog_freq, |
215b95ba MCC |
1143 | .release = xc2028_dvb_release, |
1144 | .get_frequency = xc2028_get_frequency, | |
1145 | .get_rf_strength = xc2028_signal, | |
1146 | .set_params = xc2028_set_params, | |
701672eb ML |
1147 | }; |
1148 | ||
7972f988 MK |
1149 | struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe, |
1150 | struct xc2028_config *cfg) | |
701672eb | 1151 | { |
215b95ba | 1152 | struct xc2028_data *priv; |
a37b4c9b | 1153 | void *video_dev; |
701672eb | 1154 | |
83fb340b | 1155 | if (debug) |
2756665c | 1156 | printk(KERN_DEBUG "xc2028: Xcv2028/3028 init called!\n"); |
701672eb | 1157 | |
b412ba78 | 1158 | if (NULL == cfg) |
a37b4c9b | 1159 | return NULL; |
215b95ba | 1160 | |
a37b4c9b | 1161 | if (!fe) { |
2756665c | 1162 | printk(KERN_ERR "xc2028: No frontend!\n"); |
a37b4c9b | 1163 | return NULL; |
215b95ba MCC |
1164 | } |
1165 | ||
b412ba78 MCC |
1166 | video_dev = cfg->i2c_adap->algo_data; |
1167 | ||
1168 | if (debug) | |
1169 | printk(KERN_DEBUG "xc2028: video_dev =%p\n", video_dev); | |
a37b4c9b | 1170 | |
aa501be9 CP |
1171 | mutex_lock(&xc2028_list_mutex); |
1172 | ||
215b95ba | 1173 | list_for_each_entry(priv, &xc2028_list, xc2028_list) { |
b412ba78 | 1174 | if (&priv->i2c_props.adap->dev == &cfg->i2c_adap->dev) { |
a37b4c9b | 1175 | video_dev = NULL; |
b412ba78 MCC |
1176 | if (debug) |
1177 | printk(KERN_DEBUG "xc2028: reusing device\n"); | |
1178 | ||
a37b4c9b ML |
1179 | break; |
1180 | } | |
215b95ba MCC |
1181 | } |
1182 | ||
a37b4c9b | 1183 | if (video_dev) { |
215b95ba | 1184 | priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
aa501be9 CP |
1185 | if (priv == NULL) { |
1186 | mutex_unlock(&xc2028_list_mutex); | |
a37b4c9b | 1187 | return NULL; |
aa501be9 | 1188 | } |
3b20532c | 1189 | |
a37b4c9b ML |
1190 | priv->i2c_props.addr = cfg->i2c_addr; |
1191 | priv->i2c_props.adap = cfg->i2c_adap; | |
2756665c MK |
1192 | priv->i2c_props.name = "xc2028"; |
1193 | ||
215b95ba | 1194 | priv->video_dev = video_dev; |
a37b4c9b | 1195 | priv->tuner_callback = cfg->callback; |
0a196b6f | 1196 | priv->ctrl.max_len = 13; |
de3fe21b | 1197 | |
215b95ba MCC |
1198 | mutex_init(&priv->lock); |
1199 | ||
ab0b9fc6 | 1200 | list_add_tail(&priv->xc2028_list, &xc2028_list); |
215b95ba | 1201 | } |
a37b4c9b ML |
1202 | |
1203 | fe->tuner_priv = priv; | |
1808a698 | 1204 | priv->count++; |
215b95ba | 1205 | |
b412ba78 MCC |
1206 | if (debug) |
1207 | printk(KERN_DEBUG "xc2028: usage count is %i\n", priv->count); | |
1208 | ||
215b95ba | 1209 | memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops, |
ab0b9fc6 | 1210 | sizeof(xc2028_dvb_tuner_ops)); |
215b95ba MCC |
1211 | |
1212 | tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner"); | |
1213 | ||
71a2ee37 MCC |
1214 | if (cfg->ctrl) |
1215 | xc2028_set_config(fe, cfg->ctrl); | |
1216 | ||
aa501be9 CP |
1217 | mutex_unlock(&xc2028_list_mutex); |
1218 | ||
a37b4c9b | 1219 | return fe; |
215b95ba | 1220 | } |
a37b4c9b | 1221 | |
701672eb ML |
1222 | EXPORT_SYMBOL(xc2028_attach); |
1223 | ||
215b95ba | 1224 | MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver"); |
983d214e | 1225 | MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>"); |
215b95ba MCC |
1226 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
1227 | MODULE_LICENSE("GPL"); |