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> |
84a9f336 | 18 | #include <asm/unaligned.h> |
215b95ba | 19 | #include "tuner-i2c.h" |
6cb45879 | 20 | #include "tuner-xc2028.h" |
de3fe21b | 21 | #include "tuner-xc2028-types.h" |
6cb45879 | 22 | |
701672eb ML |
23 | #include <linux/dvb/frontend.h> |
24 | #include "dvb_frontend.h" | |
25 | ||
ef8c1888 | 26 | |
83fb340b MCC |
27 | static int debug; |
28 | module_param(debug, int, 0644); | |
29 | MODULE_PARM_DESC(debug, "enable verbose debug messages"); | |
30 | ||
74a89b2a MCC |
31 | static int no_poweroff; |
32 | module_param(no_poweroff, int, 0644); | |
33 | MODULE_PARM_DESC(debug, "0 (default) powers device off when not used.\n" | |
34 | "1 keep device energized and with tuner ready all the times.\n" | |
35 | " Faster, but consumes more power and keeps the device hotter\n"); | |
36 | ||
a82200fb MCC |
37 | static char audio_std[8]; |
38 | module_param_string(audio_std, audio_std, sizeof(audio_std), 0); | |
39 | MODULE_PARM_DESC(audio_std, | |
40 | "Audio standard. XC3028 audio decoder explicitly " | |
41 | "needs to know what audio\n" | |
42 | "standard is needed for some video standards with audio A2 or NICAM.\n" | |
43 | "The valid values are:\n" | |
44 | "A2\n" | |
45 | "A2/A\n" | |
46 | "A2/B\n" | |
47 | "NICAM\n" | |
48 | "NICAM/A\n" | |
49 | "NICAM/B\n"); | |
50 | ||
5c913c05 MCC |
51 | static char firmware_name[FIRMWARE_NAME_MAX]; |
52 | module_param_string(firmware_name, firmware_name, sizeof(firmware_name), 0); | |
53 | MODULE_PARM_DESC(firmware_name, "Firmware file name. Allows overriding the " | |
54 | "default firmware name\n"); | |
55 | ||
c663d035 | 56 | static LIST_HEAD(hybrid_tuner_instance_list); |
aa501be9 CP |
57 | static DEFINE_MUTEX(xc2028_list_mutex); |
58 | ||
de3fe21b MCC |
59 | /* struct for storing firmware table */ |
60 | struct firmware_description { | |
61 | unsigned int type; | |
62 | v4l2_std_id id; | |
66c2d53d | 63 | __u16 int_freq; |
de3fe21b MCC |
64 | unsigned char *ptr; |
65 | unsigned int size; | |
66 | }; | |
6cb45879 | 67 | |
e0f0b37a CP |
68 | struct firmware_properties { |
69 | unsigned int type; | |
70 | v4l2_std_id id; | |
71 | v4l2_std_id std_req; | |
66c2d53d | 72 | __u16 int_freq; |
e0f0b37a CP |
73 | unsigned int scode_table; |
74 | int scode_nr; | |
75 | }; | |
76 | ||
6cb45879 | 77 | struct xc2028_data { |
c663d035 | 78 | struct list_head hybrid_tuner_instance_list; |
215b95ba | 79 | struct tuner_i2c_props i2c_props; |
de3fe21b MCC |
80 | __u32 frequency; |
81 | ||
82 | struct firmware_description *firm; | |
83 | int firm_size; | |
06fd82dc | 84 | __u16 firm_version; |
de3fe21b | 85 | |
8bf799a6 CP |
86 | __u16 hwmodel; |
87 | __u16 hwvers; | |
88 | ||
de3fe21b | 89 | struct xc2028_ctrl ctrl; |
215b95ba | 90 | |
e0f0b37a | 91 | struct firmware_properties cur_fw; |
215b95ba MCC |
92 | |
93 | struct mutex lock; | |
6cb45879 MCC |
94 | }; |
95 | ||
47cc5b78 CP |
96 | #define i2c_send(priv, buf, size) ({ \ |
97 | int _rc; \ | |
98 | _rc = tuner_i2c_xfer_send(&priv->i2c_props, buf, size); \ | |
99 | if (size != _rc) \ | |
100 | tuner_info("i2c output error: rc = %d (should be %d)\n",\ | |
101 | _rc, (int)size); \ | |
102 | _rc; \ | |
103 | }) | |
104 | ||
105 | #define i2c_rcv(priv, buf, size) ({ \ | |
106 | int _rc; \ | |
107 | _rc = tuner_i2c_xfer_recv(&priv->i2c_props, buf, size); \ | |
108 | if (size != _rc) \ | |
83fb340b | 109 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ |
47cc5b78 CP |
110 | _rc, (int)size); \ |
111 | _rc; \ | |
112 | }) | |
ab0b9fc6 | 113 | |
7d58d111 CP |
114 | #define i2c_send_recv(priv, obuf, osize, ibuf, isize) ({ \ |
115 | int _rc; \ | |
116 | _rc = tuner_i2c_xfer_send_recv(&priv->i2c_props, obuf, osize, \ | |
117 | ibuf, isize); \ | |
118 | if (isize != _rc) \ | |
119 | tuner_err("i2c input error: rc = %d (should be %d)\n", \ | |
120 | _rc, (int)isize); \ | |
121 | _rc; \ | |
122 | }) | |
123 | ||
47cc5b78 | 124 | #define send_seq(priv, data...) ({ \ |
215b95ba | 125 | static u8 _val[] = data; \ |
47cc5b78 | 126 | int _rc; \ |
6cb45879 | 127 | if (sizeof(_val) != \ |
47cc5b78 | 128 | (_rc = tuner_i2c_xfer_send(&priv->i2c_props, \ |
215b95ba | 129 | _val, sizeof(_val)))) { \ |
47cc5b78 CP |
130 | tuner_err("Error on line %d: %d\n", __LINE__, _rc); \ |
131 | } else \ | |
132 | msleep(10); \ | |
133 | _rc; \ | |
134 | }) | |
6cb45879 | 135 | |
83244025 | 136 | static int xc2028_get_reg(struct xc2028_data *priv, u16 reg, u16 *val) |
6cb45879 | 137 | { |
b873e1a3 | 138 | unsigned char buf[2]; |
7d58d111 | 139 | unsigned char ibuf[2]; |
215b95ba | 140 | |
7e28adb2 | 141 | tuner_dbg("%s %04x called\n", __func__, reg); |
6cb45879 | 142 | |
7d58d111 | 143 | buf[0] = reg >> 8; |
80b52208 | 144 | buf[1] = (unsigned char) reg; |
6cb45879 | 145 | |
7d58d111 CP |
146 | if (i2c_send_recv(priv, buf, 2, ibuf, 2) != 2) |
147 | return -EIO; | |
6cb45879 | 148 | |
7d58d111 CP |
149 | *val = (ibuf[1]) | (ibuf[0] << 8); |
150 | return 0; | |
6cb45879 MCC |
151 | } |
152 | ||
e0262688 | 153 | #define dump_firm_type(t) dump_firm_type_and_int_freq(t, 0) |
29bec0bf | 154 | static void dump_firm_type_and_int_freq(unsigned int type, u16 int_freq) |
43efe702 MCC |
155 | { |
156 | if (type & BASE) | |
157 | printk("BASE "); | |
f380e1d2 MCC |
158 | if (type & INIT1) |
159 | printk("INIT1 "); | |
43efe702 MCC |
160 | if (type & F8MHZ) |
161 | printk("F8MHZ "); | |
162 | if (type & MTS) | |
163 | printk("MTS "); | |
164 | if (type & D2620) | |
165 | printk("D2620 "); | |
166 | if (type & D2633) | |
167 | printk("D2633 "); | |
168 | if (type & DTV6) | |
169 | printk("DTV6 "); | |
170 | if (type & QAM) | |
171 | printk("QAM "); | |
172 | if (type & DTV7) | |
173 | printk("DTV7 "); | |
174 | if (type & DTV78) | |
175 | printk("DTV78 "); | |
176 | if (type & DTV8) | |
177 | printk("DTV8 "); | |
178 | if (type & FM) | |
179 | printk("FM "); | |
180 | if (type & INPUT1) | |
181 | printk("INPUT1 "); | |
182 | if (type & LCD) | |
183 | printk("LCD "); | |
184 | if (type & NOGD) | |
185 | printk("NOGD "); | |
186 | if (type & MONO) | |
187 | printk("MONO "); | |
188 | if (type & ATSC) | |
189 | printk("ATSC "); | |
190 | if (type & IF) | |
191 | printk("IF "); | |
192 | if (type & LG60) | |
193 | printk("LG60 "); | |
194 | if (type & ATI638) | |
195 | printk("ATI638 "); | |
196 | if (type & OREN538) | |
197 | printk("OREN538 "); | |
198 | if (type & OREN36) | |
199 | printk("OREN36 "); | |
200 | if (type & TOYOTA388) | |
201 | printk("TOYOTA388 "); | |
202 | if (type & TOYOTA794) | |
203 | printk("TOYOTA794 "); | |
204 | if (type & DIBCOM52) | |
205 | printk("DIBCOM52 "); | |
206 | if (type & ZARLINK456) | |
207 | printk("ZARLINK456 "); | |
208 | if (type & CHINA) | |
209 | printk("CHINA "); | |
210 | if (type & F6MHZ) | |
211 | printk("F6MHZ "); | |
212 | if (type & INPUT2) | |
213 | printk("INPUT2 "); | |
214 | if (type & SCODE) | |
215 | printk("SCODE "); | |
e0262688 CP |
216 | if (type & HAS_IF) |
217 | printk("HAS_IF_%d ", int_freq); | |
43efe702 MCC |
218 | } |
219 | ||
ef8c1888 | 220 | static v4l2_std_id parse_audio_std_option(void) |
a82200fb | 221 | { |
e155d908 | 222 | if (strcasecmp(audio_std, "A2") == 0) |
a82200fb | 223 | return V4L2_STD_A2; |
e155d908 | 224 | if (strcasecmp(audio_std, "A2/A") == 0) |
a82200fb | 225 | return V4L2_STD_A2_A; |
e155d908 | 226 | if (strcasecmp(audio_std, "A2/B") == 0) |
a82200fb | 227 | return V4L2_STD_A2_B; |
e155d908 | 228 | if (strcasecmp(audio_std, "NICAM") == 0) |
a82200fb | 229 | return V4L2_STD_NICAM; |
e155d908 | 230 | if (strcasecmp(audio_std, "NICAM/A") == 0) |
a82200fb | 231 | return V4L2_STD_NICAM_A; |
e155d908 | 232 | if (strcasecmp(audio_std, "NICAM/B") == 0) |
a82200fb MCC |
233 | return V4L2_STD_NICAM_B; |
234 | ||
235 | return 0; | |
236 | } | |
237 | ||
ab0b9fc6 | 238 | static void free_firmware(struct xc2028_data *priv) |
6cb45879 | 239 | { |
de3fe21b | 240 | int i; |
92b75ab0 | 241 | tuner_dbg("%s called\n", __func__); |
de3fe21b MCC |
242 | |
243 | if (!priv->firm) | |
244 | return; | |
245 | ||
ab0b9fc6 MCC |
246 | for (i = 0; i < priv->firm_size; i++) |
247 | kfree(priv->firm[i].ptr); | |
248 | ||
de3fe21b MCC |
249 | kfree(priv->firm); |
250 | ||
ab0b9fc6 | 251 | priv->firm = NULL; |
06fd82dc | 252 | priv->firm_size = 0; |
e0f0b37a CP |
253 | |
254 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
de3fe21b MCC |
255 | } |
256 | ||
ab0b9fc6 | 257 | static int load_all_firmwares(struct dvb_frontend *fe) |
de3fe21b MCC |
258 | { |
259 | struct xc2028_data *priv = fe->tuner_priv; | |
ab0b9fc6 | 260 | const struct firmware *fw = NULL; |
c63e87e9 | 261 | const unsigned char *p, *endp; |
ab0b9fc6 MCC |
262 | int rc = 0; |
263 | int n, n_array; | |
de3fe21b | 264 | char name[33]; |
5c913c05 | 265 | char *fname; |
6cb45879 | 266 | |
7e28adb2 | 267 | tuner_dbg("%s called\n", __func__); |
215b95ba | 268 | |
5c913c05 MCC |
269 | if (!firmware_name[0]) |
270 | fname = priv->ctrl.fname; | |
271 | else | |
272 | fname = firmware_name; | |
273 | ||
274 | tuner_dbg("Reading firmware %s\n", fname); | |
275 | rc = request_firmware(&fw, fname, &priv->i2c_props.adap->dev); | |
6cb45879 | 276 | if (rc < 0) { |
ab0b9fc6 | 277 | if (rc == -ENOENT) |
83fb340b | 278 | tuner_err("Error: firmware %s not found.\n", |
5c913c05 | 279 | fname); |
2e4160ca | 280 | else |
83fb340b | 281 | tuner_err("Error %d while requesting firmware %s \n", |
5c913c05 | 282 | rc, fname); |
2e4160ca | 283 | |
6cb45879 MCC |
284 | return rc; |
285 | } | |
ab0b9fc6 MCC |
286 | p = fw->data; |
287 | endp = p + fw->size; | |
6cb45879 | 288 | |
06fd82dc CP |
289 | if (fw->size < sizeof(name) - 1 + 2 + 2) { |
290 | tuner_err("Error: firmware file %s has invalid size!\n", | |
5c913c05 | 291 | fname); |
06fd82dc | 292 | goto corrupt; |
6cb45879 | 293 | } |
de3fe21b | 294 | |
ab0b9fc6 MCC |
295 | memcpy(name, p, sizeof(name) - 1); |
296 | name[sizeof(name) - 1] = 0; | |
297 | p += sizeof(name) - 1; | |
de3fe21b | 298 | |
84a9f336 | 299 | priv->firm_version = get_unaligned_le16(p); |
de3fe21b MCC |
300 | p += 2; |
301 | ||
84a9f336 | 302 | n_array = get_unaligned_le16(p); |
de3fe21b MCC |
303 | p += 2; |
304 | ||
06fd82dc | 305 | tuner_info("Loading %d firmware images from %s, type: %s, ver %d.%d\n", |
5c913c05 | 306 | n_array, fname, name, |
06fd82dc | 307 | priv->firm_version >> 8, priv->firm_version & 0xff); |
de3fe21b | 308 | |
ab0b9fc6 | 309 | priv->firm = kzalloc(sizeof(*priv->firm) * n_array, GFP_KERNEL); |
06fd82dc CP |
310 | if (priv->firm == NULL) { |
311 | tuner_err("Not enough memory to load firmware file.\n"); | |
ab0b9fc6 | 312 | rc = -ENOMEM; |
06fd82dc | 313 | goto err; |
6cb45879 | 314 | } |
de3fe21b | 315 | priv->firm_size = n_array; |
06fd82dc | 316 | |
ab0b9fc6 MCC |
317 | n = -1; |
318 | while (p < endp) { | |
de3fe21b MCC |
319 | __u32 type, size; |
320 | v4l2_std_id id; | |
66c2d53d | 321 | __u16 int_freq = 0; |
de3fe21b MCC |
322 | |
323 | n++; | |
324 | if (n >= n_array) { | |
06fd82dc CP |
325 | tuner_err("More firmware images in file than " |
326 | "were expected!\n"); | |
de3fe21b MCC |
327 | goto corrupt; |
328 | } | |
329 | ||
330 | /* Checks if there's enough bytes to read */ | |
84a9f336 AV |
331 | if (endp - p < sizeof(type) + sizeof(id) + sizeof(size)) |
332 | goto header; | |
de3fe21b | 333 | |
84a9f336 | 334 | type = get_unaligned_le32(p); |
de3fe21b MCC |
335 | p += sizeof(type); |
336 | ||
84a9f336 | 337 | id = get_unaligned_le64(p); |
de3fe21b MCC |
338 | p += sizeof(id); |
339 | ||
66c2d53d | 340 | if (type & HAS_IF) { |
84a9f336 | 341 | int_freq = get_unaligned_le16(p); |
66c2d53d | 342 | p += sizeof(int_freq); |
84a9f336 AV |
343 | if (endp - p < sizeof(size)) |
344 | goto header; | |
66c2d53d MCC |
345 | } |
346 | ||
84a9f336 | 347 | size = get_unaligned_le32(p); |
de3fe21b MCC |
348 | p += sizeof(size); |
349 | ||
84a9f336 | 350 | if (!size || size > endp - p) { |
83fb340b | 351 | tuner_err("Firmware type "); |
43efe702 | 352 | dump_firm_type(type); |
ef8c1888 MCC |
353 | printk("(%x), id %llx is corrupted " |
354 | "(size=%d, expected %d)\n", | |
91240dd9 | 355 | type, (unsigned long long)id, |
ef8c1888 | 356 | (unsigned)(endp - p), size); |
de3fe21b MCC |
357 | goto corrupt; |
358 | } | |
359 | ||
ab0b9fc6 | 360 | priv->firm[n].ptr = kzalloc(size, GFP_KERNEL); |
06fd82dc CP |
361 | if (priv->firm[n].ptr == NULL) { |
362 | tuner_err("Not enough memory to load firmware file.\n"); | |
ab0b9fc6 | 363 | rc = -ENOMEM; |
de3fe21b MCC |
364 | goto err; |
365 | } | |
06fd82dc CP |
366 | tuner_dbg("Reading firmware type "); |
367 | if (debug) { | |
e0262688 | 368 | dump_firm_type_and_int_freq(type, int_freq); |
06fd82dc | 369 | printk("(%x), id %llx, size=%d.\n", |
e0262688 | 370 | type, (unsigned long long)id, size); |
06fd82dc | 371 | } |
de3fe21b MCC |
372 | |
373 | memcpy(priv->firm[n].ptr, p, size); | |
374 | priv->firm[n].type = type; | |
375 | priv->firm[n].id = id; | |
376 | priv->firm[n].size = size; | |
66c2d53d | 377 | priv->firm[n].int_freq = int_freq; |
de3fe21b MCC |
378 | |
379 | p += size; | |
380 | } | |
381 | ||
ab0b9fc6 | 382 | if (n + 1 != priv->firm_size) { |
83fb340b | 383 | tuner_err("Firmware file is incomplete!\n"); |
de3fe21b MCC |
384 | goto corrupt; |
385 | } | |
386 | ||
387 | goto done; | |
388 | ||
84a9f336 AV |
389 | header: |
390 | tuner_err("Firmware header is incomplete!\n"); | |
de3fe21b | 391 | corrupt: |
ab0b9fc6 | 392 | rc = -EINVAL; |
83fb340b | 393 | tuner_err("Error: firmware file is corrupted!\n"); |
de3fe21b MCC |
394 | |
395 | err: | |
06fd82dc | 396 | tuner_info("Releasing partially loaded firmware file.\n"); |
de3fe21b MCC |
397 | free_firmware(priv); |
398 | ||
399 | done: | |
400 | release_firmware(fw); | |
06fd82dc CP |
401 | if (rc == 0) |
402 | tuner_dbg("Firmware files loaded.\n"); | |
de3fe21b MCC |
403 | |
404 | return rc; | |
405 | } | |
406 | ||
f380e1d2 MCC |
407 | static int seek_firmware(struct dvb_frontend *fe, unsigned int type, |
408 | v4l2_std_id *id) | |
de3fe21b MCC |
409 | { |
410 | struct xc2028_data *priv = fe->tuner_priv; | |
b1535293 | 411 | int i, best_i = -1, best_nr_matches = 0; |
33e53161 | 412 | unsigned int type_mask = 0; |
de3fe21b | 413 | |
7e28adb2 | 414 | tuner_dbg("%s called, want type=", __func__); |
b1535293 CP |
415 | if (debug) { |
416 | dump_firm_type(type); | |
417 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); | |
418 | } | |
de3fe21b MCC |
419 | |
420 | if (!priv->firm) { | |
83fb340b | 421 | tuner_err("Error! firmware not loaded\n"); |
de3fe21b MCC |
422 | return -EINVAL; |
423 | } | |
424 | ||
f380e1d2 | 425 | if (((type & ~SCODE) == 0) && (*id == 0)) |
ab0b9fc6 | 426 | *id = V4L2_STD_PAL; |
de3fe21b | 427 | |
e0f0b37a | 428 | if (type & BASE) |
33e53161 | 429 | type_mask = BASE_TYPES; |
ef207fed | 430 | else if (type & SCODE) { |
e0f0b37a | 431 | type &= SCODE_TYPES; |
33e53161 | 432 | type_mask = SCODE_TYPES & ~HAS_IF; |
ef207fed | 433 | } else if (type & DTV_TYPES) |
33e53161 | 434 | type_mask = DTV_TYPES; |
11a9eff9 | 435 | else if (type & STD_SPECIFIC_TYPES) |
33e53161 MCC |
436 | type_mask = STD_SPECIFIC_TYPES; |
437 | ||
438 | type &= type_mask; | |
439 | ||
8367fe24 | 440 | if (!(type & SCODE)) |
33e53161 | 441 | type_mask = ~0; |
e0f0b37a | 442 | |
de3fe21b | 443 | /* Seek for exact match */ |
ab0b9fc6 | 444 | for (i = 0; i < priv->firm_size; i++) { |
33e53161 | 445 | if ((type == (priv->firm[i].type & type_mask)) && |
ef207fed | 446 | (*id == priv->firm[i].id)) |
de3fe21b MCC |
447 | goto found; |
448 | } | |
449 | ||
450 | /* Seek for generic video standard match */ | |
ab0b9fc6 | 451 | for (i = 0; i < priv->firm_size; i++) { |
b1535293 CP |
452 | v4l2_std_id match_mask; |
453 | int nr_matches; | |
454 | ||
33e53161 | 455 | if (type != (priv->firm[i].type & type_mask)) |
b1535293 CP |
456 | continue; |
457 | ||
458 | match_mask = *id & priv->firm[i].id; | |
459 | if (!match_mask) | |
460 | continue; | |
461 | ||
462 | if ((*id & match_mask) == *id) | |
463 | goto found; /* Supports all the requested standards */ | |
464 | ||
465 | nr_matches = hweight64(match_mask); | |
466 | if (nr_matches > best_nr_matches) { | |
467 | best_nr_matches = nr_matches; | |
468 | best_i = i; | |
469 | } | |
470 | } | |
471 | ||
472 | if (best_nr_matches > 0) { | |
473 | tuner_dbg("Selecting best matching firmware (%d bits) for " | |
474 | "type=", best_nr_matches); | |
475 | dump_firm_type(type); | |
476 | printk("(%x), id %016llx:\n", type, (unsigned long long)*id); | |
477 | i = best_i; | |
478 | goto found; | |
de3fe21b MCC |
479 | } |
480 | ||
481 | /*FIXME: Would make sense to seek for type "hint" match ? */ | |
482 | ||
b1535293 | 483 | i = -ENOENT; |
f380e1d2 | 484 | goto ret; |
de3fe21b MCC |
485 | |
486 | found: | |
487 | *id = priv->firm[i].id; | |
de3fe21b | 488 | |
f380e1d2 | 489 | ret: |
b1535293 | 490 | tuner_dbg("%s firmware for type=", (i < 0) ? "Can't find" : "Found"); |
83fb340b MCC |
491 | if (debug) { |
492 | dump_firm_type(type); | |
91240dd9 | 493 | printk("(%x), id %016llx.\n", type, (unsigned long long)*id); |
83fb340b | 494 | } |
f380e1d2 MCC |
495 | return i; |
496 | } | |
497 | ||
d7cba043 MK |
498 | static inline int do_tuner_callback(struct dvb_frontend *fe, int cmd, int arg) |
499 | { | |
500 | struct xc2028_data *priv = fe->tuner_priv; | |
501 | ||
502 | /* analog side (tuner-core) uses i2c_adap->algo_data. | |
503 | * digital side is not guaranteed to have algo_data defined. | |
504 | * | |
505 | * digital side will always have fe->dvb defined. | |
506 | * analog side (tuner-core) doesn't (yet) define fe->dvb. | |
507 | */ | |
508 | ||
509 | return (!fe->callback) ? -EINVAL : | |
510 | fe->callback(((fe->dvb) && (fe->dvb->priv)) ? | |
511 | fe->dvb->priv : priv->i2c_props.adap->algo_data, | |
512 | DVB_FRONTEND_COMPONENT_TUNER, cmd, arg); | |
513 | } | |
514 | ||
f380e1d2 MCC |
515 | static int load_firmware(struct dvb_frontend *fe, unsigned int type, |
516 | v4l2_std_id *id) | |
517 | { | |
518 | struct xc2028_data *priv = fe->tuner_priv; | |
519 | int pos, rc; | |
0a196b6f | 520 | unsigned char *p, *endp, buf[priv->ctrl.max_len]; |
f380e1d2 | 521 | |
7e28adb2 | 522 | tuner_dbg("%s called\n", __func__); |
f380e1d2 MCC |
523 | |
524 | pos = seek_firmware(fe, type, id); | |
525 | if (pos < 0) | |
526 | return pos; | |
527 | ||
83fb340b | 528 | tuner_info("Loading firmware for type="); |
b1535293 CP |
529 | dump_firm_type(priv->firm[pos].type); |
530 | printk("(%x), id %016llx.\n", priv->firm[pos].type, | |
531 | (unsigned long long)*id); | |
83fb340b | 532 | |
f380e1d2 | 533 | p = priv->firm[pos].ptr; |
f380e1d2 | 534 | endp = p + priv->firm[pos].size; |
6cb45879 | 535 | |
ab0b9fc6 | 536 | while (p < endp) { |
de3fe21b MCC |
537 | __u16 size; |
538 | ||
539 | /* Checks if there's enough bytes to read */ | |
ab0b9fc6 | 540 | if (p + sizeof(size) > endp) { |
83fb340b | 541 | tuner_err("Firmware chunk size is wrong\n"); |
de3fe21b MCC |
542 | return -EINVAL; |
543 | } | |
544 | ||
ab0b9fc6 | 545 | size = le16_to_cpu(*(__u16 *) p); |
de3fe21b MCC |
546 | p += sizeof(size); |
547 | ||
548 | if (size == 0xffff) | |
549 | return 0; | |
550 | ||
551 | if (!size) { | |
6cb45879 | 552 | /* Special callback command received */ |
d7cba043 | 553 | rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0); |
ab0b9fc6 | 554 | if (rc < 0) { |
83fb340b | 555 | tuner_err("Error at RESET code %d\n", |
ab0b9fc6 | 556 | (*p) & 0x7f); |
de3fe21b | 557 | return -EINVAL; |
6cb45879 | 558 | } |
6cb45879 MCC |
559 | continue; |
560 | } | |
5403bbae ML |
561 | if (size >= 0xff00) { |
562 | switch (size) { | |
563 | case 0xff00: | |
d7cba043 | 564 | rc = do_tuner_callback(fe, XC2028_RESET_CLK, 0); |
5403bbae ML |
565 | if (rc < 0) { |
566 | tuner_err("Error at RESET code %d\n", | |
567 | (*p) & 0x7f); | |
568 | return -EINVAL; | |
569 | } | |
b32f9fb9 | 570 | break; |
5403bbae ML |
571 | default: |
572 | tuner_info("Invalid RESET code %d\n", | |
573 | size & 0x7f); | |
574 | return -EINVAL; | |
575 | ||
576 | } | |
2d4c0ac6 | 577 | continue; |
5403bbae | 578 | } |
de3fe21b MCC |
579 | |
580 | /* Checks for a sleep command */ | |
581 | if (size & 0x8000) { | |
ab0b9fc6 | 582 | msleep(size & 0x7fff); |
de3fe21b | 583 | continue; |
6cb45879 MCC |
584 | } |
585 | ||
de3fe21b | 586 | if ((size + p > endp)) { |
83fb340b | 587 | tuner_err("missing bytes: need %d, have %d\n", |
ab0b9fc6 | 588 | size, (int)(endp - p)); |
de3fe21b MCC |
589 | return -EINVAL; |
590 | } | |
6cb45879 | 591 | |
de3fe21b | 592 | buf[0] = *p; |
6cb45879 | 593 | p++; |
de3fe21b | 594 | size--; |
6cb45879 | 595 | |
de3fe21b | 596 | /* Sends message chunks */ |
ab0b9fc6 | 597 | while (size > 0) { |
0a196b6f CP |
598 | int len = (size < priv->ctrl.max_len - 1) ? |
599 | size : priv->ctrl.max_len - 1; | |
6cb45879 | 600 | |
ab0b9fc6 | 601 | memcpy(buf + 1, p, len); |
6cb45879 | 602 | |
47cc5b78 | 603 | rc = i2c_send(priv, buf, len + 1); |
ab0b9fc6 | 604 | if (rc < 0) { |
83fb340b | 605 | tuner_err("%d returned from send\n", rc); |
de3fe21b MCC |
606 | return -EINVAL; |
607 | } | |
608 | ||
609 | p += len; | |
610 | size -= len; | |
611 | } | |
612 | } | |
43efe702 | 613 | return 0; |
6cb45879 MCC |
614 | } |
615 | ||
f380e1d2 | 616 | static int load_scode(struct dvb_frontend *fe, unsigned int type, |
66c2d53d | 617 | v4l2_std_id *id, __u16 int_freq, int scode) |
f380e1d2 MCC |
618 | { |
619 | struct xc2028_data *priv = fe->tuner_priv; | |
620 | int pos, rc; | |
621 | unsigned char *p; | |
622 | ||
7e28adb2 | 623 | tuner_dbg("%s called\n", __func__); |
f380e1d2 | 624 | |
66c2d53d MCC |
625 | if (!int_freq) { |
626 | pos = seek_firmware(fe, type, id); | |
627 | if (pos < 0) | |
628 | return pos; | |
629 | } else { | |
630 | for (pos = 0; pos < priv->firm_size; pos++) { | |
631 | if ((priv->firm[pos].int_freq == int_freq) && | |
9ca01e78 | 632 | (priv->firm[pos].type & HAS_IF)) |
66c2d53d MCC |
633 | break; |
634 | } | |
635 | if (pos == priv->firm_size) | |
636 | return -ENOENT; | |
637 | } | |
f380e1d2 MCC |
638 | |
639 | p = priv->firm[pos].ptr; | |
640 | ||
9ca01e78 | 641 | if (priv->firm[pos].type & HAS_IF) { |
66c2d53d MCC |
642 | if (priv->firm[pos].size != 12 * 16 || scode >= 16) |
643 | return -EINVAL; | |
644 | p += 12 * scode; | |
645 | } else { | |
646 | /* 16 SCODE entries per file; each SCODE entry is 12 bytes and | |
647 | * has a 2-byte size header in the firmware format. */ | |
648 | if (priv->firm[pos].size != 14 * 16 || scode >= 16 || | |
649 | le16_to_cpu(*(__u16 *)(p + 14 * scode)) != 12) | |
650 | return -EINVAL; | |
651 | p += 14 * scode + 2; | |
652 | } | |
f380e1d2 | 653 | |
d7b22c5c | 654 | tuner_info("Loading SCODE for type="); |
e0262688 CP |
655 | dump_firm_type_and_int_freq(priv->firm[pos].type, |
656 | priv->firm[pos].int_freq); | |
d7b22c5c CP |
657 | printk("(%x), id %016llx.\n", priv->firm[pos].type, |
658 | (unsigned long long)*id); | |
659 | ||
06fd82dc | 660 | if (priv->firm_version < 0x0202) |
47cc5b78 CP |
661 | rc = send_seq(priv, {0x20, 0x00, 0x00, 0x00}); |
662 | else | |
663 | rc = send_seq(priv, {0xa0, 0x00, 0x00, 0x00}); | |
664 | if (rc < 0) | |
665 | return -EIO; | |
f380e1d2 | 666 | |
66c2d53d | 667 | rc = i2c_send(priv, p, 12); |
47cc5b78 CP |
668 | if (rc < 0) |
669 | return -EIO; | |
f380e1d2 | 670 | |
47cc5b78 CP |
671 | rc = send_seq(priv, {0x00, 0x8c}); |
672 | if (rc < 0) | |
673 | return -EIO; | |
f380e1d2 MCC |
674 | |
675 | return 0; | |
676 | } | |
677 | ||
00deff1a | 678 | static int check_firmware(struct dvb_frontend *fe, unsigned int type, |
66c2d53d | 679 | v4l2_std_id std, __u16 int_freq) |
6cb45879 | 680 | { |
00deff1a | 681 | struct xc2028_data *priv = fe->tuner_priv; |
e0f0b37a | 682 | struct firmware_properties new_fw; |
00deff1a MCC |
683 | int rc = 0, is_retry = 0; |
684 | u16 version, hwmodel; | |
685 | v4l2_std_id std0; | |
6cb45879 | 686 | |
7e28adb2 | 687 | tuner_dbg("%s called\n", __func__); |
6cb45879 | 688 | |
de3fe21b | 689 | if (!priv->firm) { |
a37b4c9b ML |
690 | if (!priv->ctrl.fname) { |
691 | tuner_info("xc2028/3028 firmware name not set!\n"); | |
de3fe21b | 692 | return -EINVAL; |
a37b4c9b | 693 | } |
de3fe21b | 694 | |
ab0b9fc6 MCC |
695 | rc = load_all_firmwares(fe); |
696 | if (rc < 0) | |
de3fe21b MCC |
697 | return rc; |
698 | } | |
699 | ||
0f6dac18 | 700 | if (priv->ctrl.mts && !(type & FM)) |
e0f0b37a | 701 | type |= MTS; |
6cb45879 | 702 | |
8bf799a6 | 703 | retry: |
e0f0b37a CP |
704 | new_fw.type = type; |
705 | new_fw.id = std; | |
706 | new_fw.std_req = std; | |
707 | new_fw.scode_table = SCODE | priv->ctrl.scode_table; | |
708 | new_fw.scode_nr = 0; | |
66c2d53d | 709 | new_fw.int_freq = int_freq; |
e0f0b37a CP |
710 | |
711 | tuner_dbg("checking firmware, user requested type="); | |
712 | if (debug) { | |
713 | dump_firm_type(new_fw.type); | |
e0262688 | 714 | printk("(%x), id %016llx, ", new_fw.type, |
e0f0b37a | 715 | (unsigned long long)new_fw.std_req); |
e0262688 CP |
716 | if (!int_freq) { |
717 | printk("scode_tbl "); | |
718 | dump_firm_type(priv->ctrl.scode_table); | |
719 | printk("(%x), ", priv->ctrl.scode_table); | |
720 | } else | |
721 | printk("int_freq %d, ", new_fw.int_freq); | |
722 | printk("scode_nr %d\n", new_fw.scode_nr); | |
e0f0b37a CP |
723 | } |
724 | ||
725 | /* No need to reload base firmware if it matches */ | |
726 | if (((BASE | new_fw.type) & BASE_TYPES) == | |
727 | (priv->cur_fw.type & BASE_TYPES)) { | |
728 | tuner_dbg("BASE firmware not changed.\n"); | |
729 | goto skip_base; | |
730 | } | |
731 | ||
732 | /* Updating BASE - forget about all currently loaded firmware */ | |
733 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
734 | ||
735 | /* Reset is needed before loading firmware */ | |
d7cba043 | 736 | rc = do_tuner_callback(fe, XC2028_TUNER_RESET, 0); |
e0f0b37a CP |
737 | if (rc < 0) |
738 | goto fail; | |
739 | ||
47bd5bc6 CP |
740 | /* BASE firmwares are all std0 */ |
741 | std0 = 0; | |
742 | rc = load_firmware(fe, BASE | new_fw.type, &std0); | |
e0f0b37a CP |
743 | if (rc < 0) { |
744 | tuner_err("Error %d while loading base firmware\n", | |
745 | rc); | |
746 | goto fail; | |
747 | } | |
5403bbae | 748 | |
de3fe21b | 749 | /* Load INIT1, if needed */ |
83fb340b | 750 | tuner_dbg("Load init1 firmware, if exists\n"); |
de3fe21b | 751 | |
47bd5bc6 | 752 | rc = load_firmware(fe, BASE | INIT1 | new_fw.type, &std0); |
1ad0b796 CP |
753 | if (rc == -ENOENT) |
754 | rc = load_firmware(fe, (BASE | INIT1 | new_fw.type) & ~F8MHZ, | |
755 | &std0); | |
e0f0b37a CP |
756 | if (rc < 0 && rc != -ENOENT) { |
757 | tuner_err("Error %d while loading init1 firmware\n", | |
758 | rc); | |
759 | goto fail; | |
760 | } | |
de3fe21b | 761 | |
e0f0b37a CP |
762 | skip_base: |
763 | /* | |
764 | * No need to reload standard specific firmware if base firmware | |
765 | * was not reloaded and requested video standards have not changed. | |
de3fe21b | 766 | */ |
e0f0b37a CP |
767 | if (priv->cur_fw.type == (BASE | new_fw.type) && |
768 | priv->cur_fw.std_req == std) { | |
83fb340b | 769 | tuner_dbg("Std-specific firmware already loaded.\n"); |
e0f0b37a | 770 | goto skip_std_specific; |
2e4160ca | 771 | } |
6cb45879 | 772 | |
e0f0b37a CP |
773 | /* Reloading std-specific firmware forces a SCODE update */ |
774 | priv->cur_fw.scode_table = 0; | |
775 | ||
e0f0b37a | 776 | rc = load_firmware(fe, new_fw.type, &new_fw.id); |
cca83798 MCC |
777 | if (rc == -ENOENT) |
778 | rc = load_firmware(fe, new_fw.type & ~F8MHZ, &new_fw.id); | |
779 | ||
ab0b9fc6 | 780 | if (rc < 0) |
e0f0b37a CP |
781 | goto fail; |
782 | ||
783 | skip_std_specific: | |
784 | if (priv->cur_fw.scode_table == new_fw.scode_table && | |
785 | priv->cur_fw.scode_nr == new_fw.scode_nr) { | |
786 | tuner_dbg("SCODE firmware already loaded.\n"); | |
787 | goto check_device; | |
788 | } | |
6cb45879 | 789 | |
40ae91a7 MCC |
790 | if (new_fw.type & FM) |
791 | goto check_device; | |
792 | ||
f380e1d2 | 793 | /* Load SCODE firmware, if exists */ |
e0f0b37a | 794 | tuner_dbg("Trying to load scode %d\n", new_fw.scode_nr); |
f380e1d2 | 795 | |
66c2d53d MCC |
796 | rc = load_scode(fe, new_fw.type | new_fw.scode_table, &new_fw.id, |
797 | new_fw.int_freq, new_fw.scode_nr); | |
43efe702 | 798 | |
e0f0b37a | 799 | check_device: |
8bf799a6 CP |
800 | if (xc2028_get_reg(priv, 0x0004, &version) < 0 || |
801 | xc2028_get_reg(priv, 0x0008, &hwmodel) < 0) { | |
802 | tuner_err("Unable to read tuner registers.\n"); | |
803 | goto fail; | |
804 | } | |
80b52208 | 805 | |
b37f2d6a DH |
806 | tuner_dbg("Device is Xceive %d version %d.%d, " |
807 | "firmware version %d.%d\n", | |
808 | hwmodel, (version & 0xf000) >> 12, (version & 0xf00) >> 8, | |
809 | (version & 0xf0) >> 4, version & 0xf); | |
6cb45879 | 810 | |
8bf799a6 CP |
811 | /* Check firmware version against what we downloaded. */ |
812 | if (priv->firm_version != ((version & 0xf0) << 4 | (version & 0x0f))) { | |
813 | tuner_err("Incorrect readback of firmware version.\n"); | |
814 | goto fail; | |
815 | } | |
816 | ||
817 | /* Check that the tuner hardware model remains consistent over time. */ | |
818 | if (priv->hwmodel == 0 && (hwmodel == 2028 || hwmodel == 3028)) { | |
819 | priv->hwmodel = hwmodel; | |
820 | priv->hwvers = version & 0xff00; | |
821 | } else if (priv->hwmodel == 0 || priv->hwmodel != hwmodel || | |
822 | priv->hwvers != (version & 0xff00)) { | |
823 | tuner_err("Read invalid device hardware information - tuner " | |
824 | "hung?\n"); | |
825 | goto fail; | |
826 | } | |
827 | ||
e0f0b37a CP |
828 | memcpy(&priv->cur_fw, &new_fw, sizeof(priv->cur_fw)); |
829 | ||
830 | /* | |
831 | * By setting BASE in cur_fw.type only after successfully loading all | |
832 | * firmwares, we can: | |
833 | * 1. Identify that BASE firmware with type=0 has been loaded; | |
834 | * 2. Tell whether BASE firmware was just changed the next time through. | |
835 | */ | |
836 | priv->cur_fw.type |= BASE; | |
6cb45879 MCC |
837 | |
838 | return 0; | |
e0f0b37a CP |
839 | |
840 | fail: | |
841 | memset(&priv->cur_fw, 0, sizeof(priv->cur_fw)); | |
8bf799a6 CP |
842 | if (!is_retry) { |
843 | msleep(50); | |
844 | is_retry = 1; | |
845 | tuner_dbg("Retrying firmware load\n"); | |
846 | goto retry; | |
847 | } | |
848 | ||
e0f0b37a CP |
849 | if (rc == -ENOENT) |
850 | rc = -EINVAL; | |
851 | return rc; | |
6cb45879 MCC |
852 | } |
853 | ||
215b95ba | 854 | static int xc2028_signal(struct dvb_frontend *fe, u16 *strength) |
6cb45879 | 855 | { |
215b95ba | 856 | struct xc2028_data *priv = fe->tuner_priv; |
7d58d111 CP |
857 | u16 frq_lock, signal = 0; |
858 | int rc; | |
3b20532c | 859 | |
7e28adb2 | 860 | tuner_dbg("%s called\n", __func__); |
6cb45879 | 861 | |
215b95ba | 862 | mutex_lock(&priv->lock); |
6cb45879 | 863 | |
80b52208 | 864 | /* Sync Lock Indicator */ |
7d58d111 | 865 | rc = xc2028_get_reg(priv, 0x0002, &frq_lock); |
b0166ab3 | 866 | if (rc < 0) |
3b20532c | 867 | goto ret; |
6cb45879 | 868 | |
b0166ab3 MCC |
869 | /* Frequency is locked */ |
870 | if (frq_lock == 1) | |
871 | signal = 32768; | |
6cb45879 | 872 | |
80b52208 | 873 | /* Get SNR of the video signal */ |
7d58d111 CP |
874 | rc = xc2028_get_reg(priv, 0x0040, &signal); |
875 | if (rc < 0) | |
b0166ab3 MCC |
876 | goto ret; |
877 | ||
878 | /* Use both frq_lock and signal to generate the result */ | |
879 | signal = signal || ((signal & 0x07) << 12); | |
3b20532c MCC |
880 | |
881 | ret: | |
215b95ba MCC |
882 | mutex_unlock(&priv->lock); |
883 | ||
884 | *strength = signal; | |
6cb45879 | 885 | |
b0166ab3 MCC |
886 | tuner_dbg("signal strength is %d\n", signal); |
887 | ||
7d58d111 | 888 | return rc; |
6cb45879 MCC |
889 | } |
890 | ||
891 | #define DIV 15625 | |
892 | ||
00deff1a | 893 | static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */, |
66c2d53d MCC |
894 | enum tuner_mode new_mode, |
895 | unsigned int type, | |
896 | v4l2_std_id std, | |
897 | u16 int_freq) | |
6cb45879 | 898 | { |
215b95ba | 899 | struct xc2028_data *priv = fe->tuner_priv; |
ab0b9fc6 | 900 | int rc = -EINVAL; |
2ce4b3aa | 901 | unsigned char buf[4]; |
ab0b9fc6 | 902 | u32 div, offset = 0; |
6cb45879 | 903 | |
7e28adb2 | 904 | tuner_dbg("%s called\n", __func__); |
215b95ba | 905 | |
de3fe21b MCC |
906 | mutex_lock(&priv->lock); |
907 | ||
2ce4b3aa | 908 | tuner_dbg("should set frequency %d kHz\n", freq / 1000); |
6cb45879 | 909 | |
66c2d53d | 910 | if (check_firmware(fe, type, std, int_freq) < 0) |
3b20532c | 911 | goto ret; |
2e4160ca | 912 | |
2800ae9c MCC |
913 | /* On some cases xc2028 can disable video output, if |
914 | * very weak signals are received. By sending a soft | |
915 | * reset, this is re-enabled. So, it is better to always | |
916 | * send a soft reset before changing channels, to be sure | |
917 | * that xc2028 will be in a safe state. | |
918 | * Maybe this might also be needed for DTV. | |
919 | */ | |
00deff1a | 920 | if (new_mode == T_ANALOG_TV) { |
2800ae9c | 921 | rc = send_seq(priv, {0x00, 0x00}); |
d536c9df MK |
922 | } else if (priv->cur_fw.type & ATSC) { |
923 | offset = 1750000; | |
924 | } else { | |
d4e76681 | 925 | offset = 2750000; |
897b8422 CP |
926 | /* |
927 | * We must adjust the offset by 500kHz in two cases in order | |
928 | * to correctly center the IF output: | |
929 | * 1) When the ZARLINK456 or DIBCOM52 tables were explicitly | |
930 | * selected and a 7MHz channel is tuned; | |
931 | * 2) When tuning a VHF channel with DTV78 firmware. | |
932 | */ | |
933 | if (((priv->cur_fw.type & DTV7) && | |
934 | (priv->cur_fw.scode_table & (ZARLINK456 | DIBCOM52))) || | |
935 | ((priv->cur_fw.type & DTV78) && freq < 470000000)) | |
a44f1c43 CP |
936 | offset -= 500000; |
937 | } | |
2e4160ca | 938 | |
ab0b9fc6 | 939 | div = (freq - offset + DIV / 2) / DIV; |
2e4160ca | 940 | |
6cb45879 | 941 | /* CMD= Set frequency */ |
06fd82dc | 942 | if (priv->firm_version < 0x0202) |
47cc5b78 CP |
943 | rc = send_seq(priv, {0x00, 0x02, 0x00, 0x00}); |
944 | else | |
945 | rc = send_seq(priv, {0x80, 0x02, 0x00, 0x00}); | |
946 | if (rc < 0) | |
947 | goto ret; | |
de3fe21b | 948 | |
1fe87369 MCC |
949 | /* Return code shouldn't be checked. |
950 | The reset CLK is needed only with tm6000. | |
951 | Driver should work fine even if this fails. | |
952 | */ | |
d7cba043 | 953 | do_tuner_callback(fe, XC2028_RESET_CLK, 1); |
6cb45879 MCC |
954 | |
955 | msleep(10); | |
701672eb | 956 | |
ab0b9fc6 MCC |
957 | buf[0] = 0xff & (div >> 24); |
958 | buf[1] = 0xff & (div >> 16); | |
959 | buf[2] = 0xff & (div >> 8); | |
960 | buf[3] = 0xff & (div); | |
6cb45879 | 961 | |
47cc5b78 | 962 | rc = i2c_send(priv, buf, sizeof(buf)); |
ab0b9fc6 | 963 | if (rc < 0) |
3b20532c | 964 | goto ret; |
6cb45879 MCC |
965 | msleep(100); |
966 | ||
ab0b9fc6 | 967 | priv->frequency = freq; |
215b95ba | 968 | |
2ce4b3aa CP |
969 | tuner_dbg("divisor= %02x %02x %02x %02x (freq=%d.%03d)\n", |
970 | buf[0], buf[1], buf[2], buf[3], | |
971 | freq / 1000000, (freq % 1000000) / 1000); | |
3b20532c | 972 | |
ab0b9fc6 | 973 | rc = 0; |
6cb45879 | 974 | |
215b95ba MCC |
975 | ret: |
976 | mutex_unlock(&priv->lock); | |
6cb45879 | 977 | |
215b95ba | 978 | return rc; |
701672eb ML |
979 | } |
980 | ||
00deff1a | 981 | static int xc2028_set_analog_freq(struct dvb_frontend *fe, |
ab0b9fc6 | 982 | struct analog_parameters *p) |
6cb45879 | 983 | { |
215b95ba | 984 | struct xc2028_data *priv = fe->tuner_priv; |
00deff1a MCC |
985 | unsigned int type=0; |
986 | ||
7e28adb2 | 987 | tuner_dbg("%s called\n", __func__); |
c71d4bc5 | 988 | |
d74cb25e MCC |
989 | if (p->mode == V4L2_TUNER_RADIO) { |
990 | type |= FM; | |
991 | if (priv->ctrl.input1) | |
992 | type |= INPUT1; | |
993 | return generic_set_freq(fe, (625l * p->frequency) / 10, | |
66c2d53d | 994 | T_ANALOG_TV, type, 0, 0); |
d74cb25e MCC |
995 | } |
996 | ||
a5e9fe14 MCC |
997 | /* if std is not defined, choose one */ |
998 | if (!p->std) | |
999 | p->std = V4L2_STD_MN; | |
1000 | ||
1001 | /* PAL/M, PAL/N, PAL/Nc and NTSC variants should use 6MHz firmware */ | |
00deff1a MCC |
1002 | if (!(p->std & V4L2_STD_MN)) |
1003 | type |= F8MHZ; | |
6cb45879 | 1004 | |
00deff1a MCC |
1005 | /* Add audio hack to std mask */ |
1006 | p->std |= parse_audio_std_option(); | |
6cb45879 | 1007 | |
00deff1a | 1008 | return generic_set_freq(fe, 62500l * p->frequency, |
66c2d53d | 1009 | T_ANALOG_TV, type, p->std, 0); |
215b95ba | 1010 | } |
6cb45879 | 1011 | |
215b95ba MCC |
1012 | static int xc2028_set_params(struct dvb_frontend *fe, |
1013 | struct dvb_frontend_parameters *p) | |
6cb45879 | 1014 | { |
215b95ba | 1015 | struct xc2028_data *priv = fe->tuner_priv; |
00deff1a | 1016 | unsigned int type=0; |
d04aa54a | 1017 | fe_bandwidth_t bw = BANDWIDTH_8_MHZ; |
ad35ce9e | 1018 | u16 demod = 0; |
6cb45879 | 1019 | |
7e28adb2 | 1020 | tuner_dbg("%s called\n", __func__); |
701672eb | 1021 | |
d04aa54a | 1022 | switch(fe->ops.info.type) { |
d04aa54a MCC |
1023 | case FE_OFDM: |
1024 | bw = p->u.ofdm.bandwidth; | |
1025 | break; | |
1026 | case FE_QAM: | |
5c15648a MCC |
1027 | tuner_info("WARN: There are some reports that " |
1028 | "QAM 6 MHz doesn't work.\n" | |
1029 | "If this works for you, please report by " | |
1030 | "e-mail to: v4l-dvb-maintainer@linuxtv.org\n"); | |
d04aa54a MCC |
1031 | bw = BANDWIDTH_6_MHZ; |
1032 | type |= QAM; | |
1033 | break; | |
1034 | case FE_ATSC: | |
1035 | bw = BANDWIDTH_6_MHZ; | |
0975fc68 MCC |
1036 | /* The only ATSC firmware (at least on v2.7) is D2633 */ |
1037 | type |= ATSC | D2633; | |
d04aa54a | 1038 | break; |
5c15648a MCC |
1039 | /* DVB-S is not supported */ |
1040 | default: | |
1041 | return -EINVAL; | |
d04aa54a MCC |
1042 | } |
1043 | ||
00deff1a MCC |
1044 | switch (bw) { |
1045 | case BANDWIDTH_8_MHZ: | |
3dfefc50 CP |
1046 | if (p->frequency < 470000000) |
1047 | priv->ctrl.vhfbw7 = 0; | |
1048 | else | |
1049 | priv->ctrl.uhfbw8 = 1; | |
1050 | type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV8; | |
1051 | type |= F8MHZ; | |
00deff1a MCC |
1052 | break; |
1053 | case BANDWIDTH_7_MHZ: | |
3dfefc50 CP |
1054 | if (p->frequency < 470000000) |
1055 | priv->ctrl.vhfbw7 = 1; | |
1056 | else | |
1057 | priv->ctrl.uhfbw8 = 0; | |
1058 | type |= (priv->ctrl.vhfbw7 && priv->ctrl.uhfbw8) ? DTV78 : DTV7; | |
1059 | type |= F8MHZ; | |
00deff1a MCC |
1060 | break; |
1061 | case BANDWIDTH_6_MHZ: | |
3dfefc50 CP |
1062 | type |= DTV6; |
1063 | priv->ctrl.vhfbw7 = 0; | |
1064 | priv->ctrl.uhfbw8 = 0; | |
00deff1a MCC |
1065 | break; |
1066 | default: | |
1067 | tuner_err("error: bandwidth not supported.\n"); | |
1068 | }; | |
1069 | ||
0975fc68 MCC |
1070 | /* |
1071 | Selects between D2633 or D2620 firmware. | |
1072 | It doesn't make sense for ATSC, since it should be D2633 on all cases | |
1073 | */ | |
1074 | if (fe->ops.info.type != FE_ATSC) { | |
1075 | switch (priv->ctrl.type) { | |
1076 | case XC2028_D2633: | |
1077 | type |= D2633; | |
1078 | break; | |
1079 | case XC2028_D2620: | |
1080 | type |= D2620; | |
1081 | break; | |
1082 | case XC2028_AUTO: | |
1083 | default: | |
1084 | /* Zarlink seems to need D2633 */ | |
1085 | if (priv->ctrl.demod == XC3028_FE_ZARLINK456) | |
1086 | type |= D2633; | |
1087 | else | |
1088 | type |= D2620; | |
1089 | } | |
1090 | } | |
1091 | ||
66c2d53d MCC |
1092 | /* All S-code tables need a 200kHz shift */ |
1093 | if (priv->ctrl.demod) | |
ad35ce9e | 1094 | demod = priv->ctrl.demod + 200; |
b542dfdc | 1095 | |
00deff1a | 1096 | return generic_set_freq(fe, p->frequency, |
ad35ce9e | 1097 | T_DIGITAL_TV, type, 0, demod); |
6cb45879 | 1098 | } |
701672eb | 1099 | |
74a89b2a MCC |
1100 | static int xc2028_sleep(struct dvb_frontend *fe) |
1101 | { | |
1102 | struct xc2028_data *priv = fe->tuner_priv; | |
1103 | int rc = 0; | |
1104 | ||
1105 | /* Avoid firmware reload on slow devices */ | |
1106 | if (no_poweroff) | |
10f201af | 1107 | return 0; |
74a89b2a MCC |
1108 | |
1109 | tuner_dbg("Putting xc2028/3028 into poweroff mode.\n"); | |
1110 | ||
1111 | mutex_lock(&priv->lock); | |
1112 | ||
1113 | if (priv->firm_version < 0x0202) | |
1114 | rc = send_seq(priv, {0x00, 0x08, 0x00, 0x00}); | |
1115 | else | |
1116 | rc = send_seq(priv, {0x80, 0x08, 0x00, 0x00}); | |
1117 | ||
1118 | priv->cur_fw.type = 0; /* need firmware reload */ | |
1119 | ||
1120 | mutex_unlock(&priv->lock); | |
1121 | ||
1122 | return rc; | |
1123 | } | |
45819c38 | 1124 | |
215b95ba | 1125 | static int xc2028_dvb_release(struct dvb_frontend *fe) |
701672eb | 1126 | { |
215b95ba MCC |
1127 | struct xc2028_data *priv = fe->tuner_priv; |
1128 | ||
7e28adb2 | 1129 | tuner_dbg("%s called\n", __func__); |
701672eb | 1130 | |
aa501be9 CP |
1131 | mutex_lock(&xc2028_list_mutex); |
1132 | ||
c663d035 MK |
1133 | /* only perform final cleanup if this is the last instance */ |
1134 | if (hybrid_tuner_report_instance_count(priv) == 1) { | |
ab0b9fc6 | 1135 | kfree(priv->ctrl.fname); |
de3fe21b | 1136 | free_firmware(priv); |
de3fe21b | 1137 | } |
701672eb | 1138 | |
c663d035 MK |
1139 | if (priv) |
1140 | hybrid_tuner_release_state(priv); | |
1141 | ||
aa501be9 CP |
1142 | mutex_unlock(&xc2028_list_mutex); |
1143 | ||
c663d035 MK |
1144 | fe->tuner_priv = NULL; |
1145 | ||
701672eb ML |
1146 | return 0; |
1147 | } | |
1148 | ||
215b95ba | 1149 | static int xc2028_get_frequency(struct dvb_frontend *fe, u32 *frequency) |
701672eb | 1150 | { |
215b95ba | 1151 | struct xc2028_data *priv = fe->tuner_priv; |
701672eb | 1152 | |
7e28adb2 | 1153 | tuner_dbg("%s called\n", __func__); |
701672eb | 1154 | |
215b95ba | 1155 | *frequency = priv->frequency; |
701672eb ML |
1156 | |
1157 | return 0; | |
1158 | } | |
1159 | ||
ab0b9fc6 | 1160 | static int xc2028_set_config(struct dvb_frontend *fe, void *priv_cfg) |
de3fe21b MCC |
1161 | { |
1162 | struct xc2028_data *priv = fe->tuner_priv; | |
1163 | struct xc2028_ctrl *p = priv_cfg; | |
0a196b6f | 1164 | int rc = 0; |
de3fe21b | 1165 | |
7e28adb2 | 1166 | tuner_dbg("%s called\n", __func__); |
de3fe21b | 1167 | |
06fd82dc CP |
1168 | mutex_lock(&priv->lock); |
1169 | ||
0a196b6f | 1170 | memcpy(&priv->ctrl, p, sizeof(priv->ctrl)); |
92b75ab0 MCC |
1171 | if (priv->ctrl.max_len < 9) |
1172 | priv->ctrl.max_len = 13; | |
de3fe21b | 1173 | |
0a196b6f | 1174 | if (p->fname) { |
92b75ab0 MCC |
1175 | if (priv->ctrl.fname && strcmp(p->fname, priv->ctrl.fname)) { |
1176 | kfree(priv->ctrl.fname); | |
1177 | free_firmware(priv); | |
1178 | } | |
1179 | ||
0a196b6f CP |
1180 | priv->ctrl.fname = kstrdup(p->fname, GFP_KERNEL); |
1181 | if (priv->ctrl.fname == NULL) | |
1182 | rc = -ENOMEM; | |
de3fe21b MCC |
1183 | } |
1184 | ||
06fd82dc CP |
1185 | mutex_unlock(&priv->lock); |
1186 | ||
0a196b6f | 1187 | return rc; |
de3fe21b MCC |
1188 | } |
1189 | ||
215b95ba | 1190 | static const struct dvb_tuner_ops xc2028_dvb_tuner_ops = { |
701672eb | 1191 | .info = { |
ab0b9fc6 MCC |
1192 | .name = "Xceive XC3028", |
1193 | .frequency_min = 42000000, | |
1194 | .frequency_max = 864000000, | |
1195 | .frequency_step = 50000, | |
1196 | }, | |
701672eb | 1197 | |
de3fe21b | 1198 | .set_config = xc2028_set_config, |
00deff1a | 1199 | .set_analog_params = xc2028_set_analog_freq, |
215b95ba MCC |
1200 | .release = xc2028_dvb_release, |
1201 | .get_frequency = xc2028_get_frequency, | |
1202 | .get_rf_strength = xc2028_signal, | |
1203 | .set_params = xc2028_set_params, | |
74a89b2a | 1204 | .sleep = xc2028_sleep, |
701672eb ML |
1205 | }; |
1206 | ||
7972f988 MK |
1207 | struct dvb_frontend *xc2028_attach(struct dvb_frontend *fe, |
1208 | struct xc2028_config *cfg) | |
701672eb | 1209 | { |
215b95ba | 1210 | struct xc2028_data *priv; |
c663d035 | 1211 | int instance; |
701672eb | 1212 | |
83fb340b | 1213 | if (debug) |
2756665c | 1214 | printk(KERN_DEBUG "xc2028: Xcv2028/3028 init called!\n"); |
701672eb | 1215 | |
b412ba78 | 1216 | if (NULL == cfg) |
a37b4c9b | 1217 | return NULL; |
215b95ba | 1218 | |
a37b4c9b | 1219 | if (!fe) { |
2756665c | 1220 | printk(KERN_ERR "xc2028: No frontend!\n"); |
a37b4c9b | 1221 | return NULL; |
215b95ba MCC |
1222 | } |
1223 | ||
aa501be9 CP |
1224 | mutex_lock(&xc2028_list_mutex); |
1225 | ||
c663d035 MK |
1226 | instance = hybrid_tuner_request_state(struct xc2028_data, priv, |
1227 | hybrid_tuner_instance_list, | |
1228 | cfg->i2c_adap, cfg->i2c_addr, | |
1229 | "xc2028"); | |
1230 | switch (instance) { | |
1231 | case 0: | |
1232 | /* memory allocation failure */ | |
1233 | goto fail; | |
1234 | break; | |
1235 | case 1: | |
1236 | /* new tuner instance */ | |
0a196b6f | 1237 | priv->ctrl.max_len = 13; |
de3fe21b | 1238 | |
215b95ba MCC |
1239 | mutex_init(&priv->lock); |
1240 | ||
c663d035 MK |
1241 | fe->tuner_priv = priv; |
1242 | break; | |
1243 | case 2: | |
1244 | /* existing tuner instance */ | |
1245 | fe->tuner_priv = priv; | |
1246 | break; | |
1247 | } | |
b412ba78 | 1248 | |
215b95ba | 1249 | memcpy(&fe->ops.tuner_ops, &xc2028_dvb_tuner_ops, |
ab0b9fc6 | 1250 | sizeof(xc2028_dvb_tuner_ops)); |
215b95ba MCC |
1251 | |
1252 | tuner_info("type set to %s\n", "XCeive xc2028/xc3028 tuner"); | |
1253 | ||
71a2ee37 MCC |
1254 | if (cfg->ctrl) |
1255 | xc2028_set_config(fe, cfg->ctrl); | |
1256 | ||
aa501be9 CP |
1257 | mutex_unlock(&xc2028_list_mutex); |
1258 | ||
a37b4c9b | 1259 | return fe; |
c663d035 MK |
1260 | fail: |
1261 | mutex_unlock(&xc2028_list_mutex); | |
1262 | ||
1263 | xc2028_dvb_release(fe); | |
1264 | return NULL; | |
215b95ba | 1265 | } |
a37b4c9b | 1266 | |
701672eb ML |
1267 | EXPORT_SYMBOL(xc2028_attach); |
1268 | ||
215b95ba | 1269 | MODULE_DESCRIPTION("Xceive xc2028/xc3028 tuner driver"); |
983d214e | 1270 | MODULE_AUTHOR("Michel Ludwig <michel.ludwig@gmail.com>"); |
215b95ba MCC |
1271 | MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>"); |
1272 | MODULE_LICENSE("GPL"); |