Commit | Line | Data |
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711615df AP |
1 | /* |
2 | * Silicon Labs Si2168 DVB-T/T2/C demodulator driver | |
3 | * | |
4 | * Copyright (C) 2014 Antti Palosaari <crope@iki.fi> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | */ | |
16 | ||
845f3505 AP |
17 | #include "si2168_priv.h" |
18 | ||
19 | static const struct dvb_frontend_ops si2168_ops; | |
20 | ||
21 | /* execute firmware command */ | |
e6d7ffcd | 22 | static int si2168_cmd_execute(struct i2c_client *client, struct si2168_cmd *cmd) |
845f3505 | 23 | { |
e6d7ffcd | 24 | struct si2168_dev *dev = i2c_get_clientdata(client); |
845f3505 AP |
25 | int ret; |
26 | unsigned long timeout; | |
27 | ||
e6d7ffcd AP |
28 | mutex_lock(&dev->i2c_mutex); |
29 | ||
845f3505 AP |
30 | if (cmd->wlen) { |
31 | /* write cmd and args for firmware */ | |
e6d7ffcd | 32 | ret = i2c_master_send(client, cmd->args, cmd->wlen); |
845f3505 | 33 | if (ret < 0) { |
e6d7ffcd | 34 | goto err_mutex_unlock; |
845f3505 AP |
35 | } else if (ret != cmd->wlen) { |
36 | ret = -EREMOTEIO; | |
e6d7ffcd | 37 | goto err_mutex_unlock; |
845f3505 AP |
38 | } |
39 | } | |
40 | ||
41 | if (cmd->rlen) { | |
42 | /* wait cmd execution terminate */ | |
551c33e7 | 43 | #define TIMEOUT 70 |
845f3505 AP |
44 | timeout = jiffies + msecs_to_jiffies(TIMEOUT); |
45 | while (!time_after(jiffies, timeout)) { | |
e6d7ffcd | 46 | ret = i2c_master_recv(client, cmd->args, cmd->rlen); |
845f3505 | 47 | if (ret < 0) { |
e6d7ffcd | 48 | goto err_mutex_unlock; |
845f3505 AP |
49 | } else if (ret != cmd->rlen) { |
50 | ret = -EREMOTEIO; | |
e6d7ffcd | 51 | goto err_mutex_unlock; |
845f3505 AP |
52 | } |
53 | ||
54 | /* firmware ready? */ | |
55 | if ((cmd->args[0] >> 7) & 0x01) | |
56 | break; | |
57 | } | |
58 | ||
3de35835 | 59 | dev_dbg(&client->dev, "cmd execution took %d ms\n", |
845f3505 AP |
60 | jiffies_to_msecs(jiffies) - |
61 | (jiffies_to_msecs(timeout) - TIMEOUT)); | |
62 | ||
7adf99d2 OS |
63 | /* error bit set? */ |
64 | if ((cmd->args[0] >> 6) & 0x01) { | |
65 | ret = -EREMOTEIO; | |
e6d7ffcd | 66 | goto err_mutex_unlock; |
7adf99d2 OS |
67 | } |
68 | ||
eefae30a | 69 | if (!((cmd->args[0] >> 7) & 0x01)) { |
845f3505 | 70 | ret = -ETIMEDOUT; |
e6d7ffcd | 71 | goto err_mutex_unlock; |
845f3505 AP |
72 | } |
73 | } | |
74 | ||
e6d7ffcd | 75 | mutex_unlock(&dev->i2c_mutex); |
4affbe1d | 76 | return 0; |
e6d7ffcd AP |
77 | err_mutex_unlock: |
78 | mutex_unlock(&dev->i2c_mutex); | |
3de35835 | 79 | dev_dbg(&client->dev, "failed=%d\n", ret); |
845f3505 AP |
80 | return ret; |
81 | } | |
82 | ||
0df289a2 | 83 | static int si2168_read_status(struct dvb_frontend *fe, enum fe_status *status) |
845f3505 | 84 | { |
6307b560 AP |
85 | struct i2c_client *client = fe->demodulator_priv; |
86 | struct si2168_dev *dev = i2c_get_clientdata(client); | |
bffab93c | 87 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
845f3505 AP |
88 | int ret; |
89 | struct si2168_cmd cmd; | |
90 | ||
91 | *status = 0; | |
92 | ||
bd01c766 | 93 | if (!dev->active) { |
845f3505 AP |
94 | ret = -EAGAIN; |
95 | goto err; | |
96 | } | |
97 | ||
bffab93c AP |
98 | switch (c->delivery_system) { |
99 | case SYS_DVBT: | |
888680ff | 100 | memcpy(cmd.args, "\xa0\x01", 2); |
bffab93c AP |
101 | cmd.wlen = 2; |
102 | cmd.rlen = 13; | |
103 | break; | |
c790885b | 104 | case SYS_DVBC_ANNEX_A: |
888680ff | 105 | memcpy(cmd.args, "\x90\x01", 2); |
c790885b AP |
106 | cmd.wlen = 2; |
107 | cmd.rlen = 9; | |
108 | break; | |
bffab93c | 109 | case SYS_DVBT2: |
888680ff | 110 | memcpy(cmd.args, "\x50\x01", 2); |
bffab93c AP |
111 | cmd.wlen = 2; |
112 | cmd.rlen = 14; | |
113 | break; | |
114 | default: | |
115 | ret = -EINVAL; | |
116 | goto err; | |
117 | } | |
118 | ||
6307b560 | 119 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
120 | if (ret) |
121 | goto err; | |
122 | ||
722a042d AP |
123 | switch ((cmd.args[2] >> 1) & 0x03) { |
124 | case 0x01: | |
845f3505 AP |
125 | *status = FE_HAS_SIGNAL | FE_HAS_CARRIER; |
126 | break; | |
722a042d | 127 | case 0x03: |
845f3505 AP |
128 | *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | |
129 | FE_HAS_SYNC | FE_HAS_LOCK; | |
130 | break; | |
131 | } | |
132 | ||
bd01c766 | 133 | dev->fe_status = *status; |
845f3505 | 134 | |
88ac8f86 AP |
135 | if (*status & FE_HAS_LOCK) { |
136 | c->cnr.len = 1; | |
137 | c->cnr.stat[0].scale = FE_SCALE_DECIBEL; | |
138 | c->cnr.stat[0].svalue = cmd.args[3] * 1000 / 4; | |
139 | } else { | |
140 | c->cnr.len = 1; | |
141 | c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE; | |
142 | } | |
143 | ||
3de35835 | 144 | dev_dbg(&client->dev, "status=%02x args=%*ph\n", |
37b4e43d | 145 | *status, cmd.rlen, cmd.args); |
845f3505 AP |
146 | |
147 | return 0; | |
148 | err: | |
3de35835 | 149 | dev_dbg(&client->dev, "failed=%d\n", ret); |
845f3505 AP |
150 | return ret; |
151 | } | |
152 | ||
153 | static int si2168_set_frontend(struct dvb_frontend *fe) | |
154 | { | |
6307b560 AP |
155 | struct i2c_client *client = fe->demodulator_priv; |
156 | struct si2168_dev *dev = i2c_get_clientdata(client); | |
845f3505 AP |
157 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
158 | int ret; | |
159 | struct si2168_cmd cmd; | |
bffab93c | 160 | u8 bandwidth, delivery_system; |
845f3505 | 161 | |
3de35835 | 162 | dev_dbg(&client->dev, |
e5dd1100 AP |
163 | "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%u stream_id=%u\n", |
164 | c->delivery_system, c->modulation, c->frequency, | |
165 | c->bandwidth_hz, c->symbol_rate, c->inversion, | |
166 | c->stream_id); | |
845f3505 | 167 | |
bd01c766 | 168 | if (!dev->active) { |
845f3505 AP |
169 | ret = -EAGAIN; |
170 | goto err; | |
171 | } | |
172 | ||
bffab93c AP |
173 | switch (c->delivery_system) { |
174 | case SYS_DVBT: | |
175 | delivery_system = 0x20; | |
176 | break; | |
c790885b AP |
177 | case SYS_DVBC_ANNEX_A: |
178 | delivery_system = 0x30; | |
179 | break; | |
bffab93c AP |
180 | case SYS_DVBT2: |
181 | delivery_system = 0x70; | |
182 | break; | |
183 | default: | |
184 | ret = -EINVAL; | |
185 | goto err; | |
186 | } | |
187 | ||
683e98b6 OS |
188 | if (c->bandwidth_hz == 0) { |
189 | ret = -EINVAL; | |
190 | goto err; | |
17d4d6ae OS |
191 | } else if (c->bandwidth_hz <= 2000000) |
192 | bandwidth = 0x02; | |
193 | else if (c->bandwidth_hz <= 5000000) | |
bffab93c | 194 | bandwidth = 0x05; |
c790885b | 195 | else if (c->bandwidth_hz <= 6000000) |
bffab93c | 196 | bandwidth = 0x06; |
c790885b | 197 | else if (c->bandwidth_hz <= 7000000) |
bffab93c | 198 | bandwidth = 0x07; |
c790885b | 199 | else if (c->bandwidth_hz <= 8000000) |
bffab93c | 200 | bandwidth = 0x08; |
c790885b AP |
201 | else if (c->bandwidth_hz <= 9000000) |
202 | bandwidth = 0x09; | |
203 | else if (c->bandwidth_hz <= 10000000) | |
204 | bandwidth = 0x0a; | |
205 | else | |
206 | bandwidth = 0x0f; | |
845f3505 AP |
207 | |
208 | /* program tuner */ | |
209 | if (fe->ops.tuner_ops.set_params) { | |
210 | ret = fe->ops.tuner_ops.set_params(fe); | |
211 | if (ret) | |
212 | goto err; | |
213 | } | |
214 | ||
215 | memcpy(cmd.args, "\x88\x02\x02\x02\x02", 5); | |
216 | cmd.wlen = 5; | |
217 | cmd.rlen = 5; | |
6307b560 | 218 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
219 | if (ret) |
220 | goto err; | |
221 | ||
bffab93c AP |
222 | /* that has no big effect */ |
223 | if (c->delivery_system == SYS_DVBT) | |
224 | memcpy(cmd.args, "\x89\x21\x06\x11\xff\x98", 6); | |
c790885b AP |
225 | else if (c->delivery_system == SYS_DVBC_ANNEX_A) |
226 | memcpy(cmd.args, "\x89\x21\x06\x11\x89\xf0", 6); | |
bffab93c AP |
227 | else if (c->delivery_system == SYS_DVBT2) |
228 | memcpy(cmd.args, "\x89\x21\x06\x11\x89\x20", 6); | |
845f3505 AP |
229 | cmd.wlen = 6; |
230 | cmd.rlen = 3; | |
6307b560 | 231 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
232 | if (ret) |
233 | goto err; | |
234 | ||
e395e573 C |
235 | if (c->delivery_system == SYS_DVBT2) { |
236 | /* select PLP */ | |
237 | cmd.args[0] = 0x52; | |
238 | cmd.args[1] = c->stream_id & 0xff; | |
239 | cmd.args[2] = c->stream_id == NO_STREAM_ID_FILTER ? 0 : 1; | |
240 | cmd.wlen = 3; | |
241 | cmd.rlen = 1; | |
6307b560 | 242 | ret = si2168_cmd_execute(client, &cmd); |
e395e573 C |
243 | if (ret) |
244 | goto err; | |
245 | } | |
246 | ||
845f3505 AP |
247 | memcpy(cmd.args, "\x51\x03", 2); |
248 | cmd.wlen = 2; | |
249 | cmd.rlen = 12; | |
6307b560 | 250 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
251 | if (ret) |
252 | goto err; | |
253 | ||
254 | memcpy(cmd.args, "\x12\x08\x04", 3); | |
255 | cmd.wlen = 3; | |
256 | cmd.rlen = 3; | |
6307b560 | 257 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
258 | if (ret) |
259 | goto err; | |
260 | ||
845f3505 AP |
261 | memcpy(cmd.args, "\x14\x00\x0c\x10\x12\x00", 6); |
262 | cmd.wlen = 6; | |
1d518c27 | 263 | cmd.rlen = 4; |
6307b560 | 264 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
265 | if (ret) |
266 | goto err; | |
267 | ||
268 | memcpy(cmd.args, "\x14\x00\x06\x10\x24\x00", 6); | |
269 | cmd.wlen = 6; | |
1d518c27 | 270 | cmd.rlen = 4; |
6307b560 | 271 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
272 | if (ret) |
273 | goto err; | |
274 | ||
845f3505 AP |
275 | memcpy(cmd.args, "\x14\x00\x07\x10\x00\x24", 6); |
276 | cmd.wlen = 6; | |
1d518c27 | 277 | cmd.rlen = 4; |
6307b560 | 278 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
279 | if (ret) |
280 | goto err; | |
281 | ||
282 | memcpy(cmd.args, "\x14\x00\x0a\x10\x00\x00", 6); | |
bffab93c | 283 | cmd.args[4] = delivery_system | bandwidth; |
845f3505 | 284 | cmd.wlen = 6; |
1d518c27 | 285 | cmd.rlen = 4; |
6307b560 | 286 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
287 | if (ret) |
288 | goto err; | |
289 | ||
32bf8818 LA |
290 | /* set DVB-C symbol rate */ |
291 | if (c->delivery_system == SYS_DVBC_ANNEX_A) { | |
292 | memcpy(cmd.args, "\x14\x00\x02\x11", 4); | |
346d4900 | 293 | cmd.args[4] = ((c->symbol_rate / 1000) >> 0) & 0xff; |
32bf8818 LA |
294 | cmd.args[5] = ((c->symbol_rate / 1000) >> 8) & 0xff; |
295 | cmd.wlen = 6; | |
296 | cmd.rlen = 4; | |
6307b560 | 297 | ret = si2168_cmd_execute(client, &cmd); |
32bf8818 LA |
298 | if (ret) |
299 | goto err; | |
300 | } | |
301 | ||
845f3505 AP |
302 | memcpy(cmd.args, "\x14\x00\x0f\x10\x10\x00", 6); |
303 | cmd.wlen = 6; | |
1d518c27 | 304 | cmd.rlen = 4; |
6307b560 | 305 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
306 | if (ret) |
307 | goto err; | |
308 | ||
52791979 | 309 | memcpy(cmd.args, "\x14\x00\x09\x10\xe3\x08", 6); |
bd01c766 | 310 | cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10; |
845f3505 | 311 | cmd.wlen = 6; |
1d518c27 | 312 | cmd.rlen = 4; |
6307b560 | 313 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
314 | if (ret) |
315 | goto err; | |
316 | ||
52791979 | 317 | memcpy(cmd.args, "\x14\x00\x08\x10\xd7\x05", 6); |
bd01c766 | 318 | cmd.args[5] |= dev->ts_clock_inv ? 0x00 : 0x10; |
845f3505 | 319 | cmd.wlen = 6; |
1d518c27 | 320 | cmd.rlen = 4; |
6307b560 | 321 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
322 | if (ret) |
323 | goto err; | |
324 | ||
325 | memcpy(cmd.args, "\x14\x00\x01\x12\x00\x00", 6); | |
326 | cmd.wlen = 6; | |
1d518c27 | 327 | cmd.rlen = 4; |
6307b560 | 328 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
329 | if (ret) |
330 | goto err; | |
331 | ||
43911776 OS |
332 | memcpy(cmd.args, "\x14\x00\x01\x03\x0c\x00", 6); |
333 | cmd.wlen = 6; | |
334 | cmd.rlen = 4; | |
6307b560 | 335 | ret = si2168_cmd_execute(client, &cmd); |
43911776 OS |
336 | if (ret) |
337 | goto err; | |
338 | ||
888680ff | 339 | memcpy(cmd.args, "\x85", 1); |
845f3505 AP |
340 | cmd.wlen = 1; |
341 | cmd.rlen = 1; | |
6307b560 | 342 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
343 | if (ret) |
344 | goto err; | |
345 | ||
bd01c766 | 346 | dev->delivery_system = c->delivery_system; |
845f3505 AP |
347 | |
348 | return 0; | |
349 | err: | |
3de35835 | 350 | dev_dbg(&client->dev, "failed=%d\n", ret); |
845f3505 AP |
351 | return ret; |
352 | } | |
353 | ||
354 | static int si2168_init(struct dvb_frontend *fe) | |
355 | { | |
6307b560 AP |
356 | struct i2c_client *client = fe->demodulator_priv; |
357 | struct si2168_dev *dev = i2c_get_clientdata(client); | |
845f3505 | 358 | int ret, len, remaining; |
58f6693f | 359 | const struct firmware *fw; |
c32b2816 | 360 | const char *fw_name; |
845f3505 | 361 | struct si2168_cmd cmd; |
b6b6fd6f | 362 | unsigned int chip_id; |
845f3505 | 363 | |
3de35835 | 364 | dev_dbg(&client->dev, "\n"); |
845f3505 | 365 | |
8e417224 | 366 | /* initialize */ |
888680ff | 367 | memcpy(cmd.args, "\xc0\x12\x00\x0c\x00\x0d\x16\x00\x00\x00\x00\x00\x00", 13); |
845f3505 AP |
368 | cmd.wlen = 13; |
369 | cmd.rlen = 0; | |
6307b560 | 370 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
371 | if (ret) |
372 | goto err; | |
373 | ||
bd01c766 | 374 | if (dev->fw_loaded) { |
8e417224 OS |
375 | /* resume */ |
376 | memcpy(cmd.args, "\xc0\x06\x08\x0f\x00\x20\x21\x01", 8); | |
377 | cmd.wlen = 8; | |
378 | cmd.rlen = 1; | |
6307b560 | 379 | ret = si2168_cmd_execute(client, &cmd); |
8e417224 OS |
380 | if (ret) |
381 | goto err; | |
382 | ||
383 | memcpy(cmd.args, "\x85", 1); | |
384 | cmd.wlen = 1; | |
385 | cmd.rlen = 1; | |
6307b560 | 386 | ret = si2168_cmd_execute(client, &cmd); |
8e417224 OS |
387 | if (ret) |
388 | goto err; | |
389 | ||
390 | goto warm; | |
391 | } | |
392 | ||
393 | /* power up */ | |
888680ff | 394 | memcpy(cmd.args, "\xc0\x06\x01\x0f\x00\x20\x20\x01", 8); |
845f3505 AP |
395 | cmd.wlen = 8; |
396 | cmd.rlen = 1; | |
6307b560 | 397 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
398 | if (ret) |
399 | goto err; | |
400 | ||
c9cb0820 | 401 | /* query chip revision */ |
888680ff | 402 | memcpy(cmd.args, "\x02", 1); |
845f3505 AP |
403 | cmd.wlen = 1; |
404 | cmd.rlen = 13; | |
6307b560 | 405 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
406 | if (ret) |
407 | goto err; | |
408 | ||
b6b6fd6f AP |
409 | chip_id = cmd.args[1] << 24 | cmd.args[2] << 16 | cmd.args[3] << 8 | |
410 | cmd.args[4] << 0; | |
411 | ||
635a90cf | 412 | #define SI2168_A20 ('A' << 24 | 68 << 16 | '2' << 8 | '0' << 0) |
b6b6fd6f AP |
413 | #define SI2168_A30 ('A' << 24 | 68 << 16 | '3' << 8 | '0' << 0) |
414 | #define SI2168_B40 ('B' << 24 | 68 << 16 | '4' << 8 | '0' << 0) | |
415 | ||
416 | switch (chip_id) { | |
635a90cf | 417 | case SI2168_A20: |
c32b2816 | 418 | fw_name = SI2168_A20_FIRMWARE; |
635a90cf | 419 | break; |
b6b6fd6f | 420 | case SI2168_A30: |
c32b2816 | 421 | fw_name = SI2168_A30_FIRMWARE; |
b6b6fd6f AP |
422 | break; |
423 | case SI2168_B40: | |
c32b2816 | 424 | fw_name = SI2168_B40_FIRMWARE; |
b6b6fd6f AP |
425 | break; |
426 | default: | |
9b7839c3 | 427 | dev_err(&client->dev, "unknown chip version Si21%d-%c%c%c\n", |
37b4e43d | 428 | cmd.args[2], cmd.args[1], |
b6b6fd6f | 429 | cmd.args[3], cmd.args[4]); |
c9cb0820 OS |
430 | ret = -EINVAL; |
431 | goto err; | |
432 | } | |
433 | ||
9b7839c3 AP |
434 | dev_info(&client->dev, "found a 'Silicon Labs Si21%d-%c%c%c'\n", |
435 | cmd.args[2], cmd.args[1], cmd.args[3], cmd.args[4]); | |
845f3505 AP |
436 | |
437 | /* request the firmware, this will block and timeout */ | |
c32b2816 | 438 | ret = request_firmware(&fw, fw_name, &client->dev); |
845f3505 | 439 | if (ret) { |
b6b6fd6f AP |
440 | /* fallback mechanism to handle old name for Si2168 B40 fw */ |
441 | if (chip_id == SI2168_B40) { | |
c32b2816 AP |
442 | fw_name = SI2168_B40_FIRMWARE_FALLBACK; |
443 | ret = request_firmware(&fw, fw_name, &client->dev); | |
c9cb0820 | 444 | } |
b6b6fd6f AP |
445 | |
446 | if (ret == 0) { | |
3de35835 | 447 | dev_notice(&client->dev, |
37b4e43d OS |
448 | "please install firmware file '%s'\n", |
449 | SI2168_B40_FIRMWARE); | |
b6b6fd6f | 450 | } else { |
3de35835 | 451 | dev_err(&client->dev, |
37b4e43d | 452 | "firmware file '%s' not found\n", |
c32b2816 | 453 | fw_name); |
346d4900 | 454 | goto err_release_firmware; |
c9cb0820 | 455 | } |
845f3505 AP |
456 | } |
457 | ||
3de35835 | 458 | dev_info(&client->dev, "downloading firmware from file '%s'\n", |
c32b2816 | 459 | fw_name); |
845f3505 | 460 | |
1b97dc98 OS |
461 | if ((fw->size % 17 == 0) && (fw->data[0] > 5)) { |
462 | /* firmware is in the new format */ | |
463 | for (remaining = fw->size; remaining > 0; remaining -= 17) { | |
464 | len = fw->data[fw->size - remaining]; | |
47810b43 LA |
465 | if (len > SI2168_ARGLEN) { |
466 | ret = -EINVAL; | |
467 | break; | |
468 | } | |
1b97dc98 OS |
469 | memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len); |
470 | cmd.wlen = len; | |
471 | cmd.rlen = 1; | |
6307b560 | 472 | ret = si2168_cmd_execute(client, &cmd); |
68c16a76 AP |
473 | if (ret) |
474 | break; | |
1b97dc98 | 475 | } |
68c16a76 | 476 | } else if (fw->size % 8 == 0) { |
1b97dc98 | 477 | /* firmware is in the old format */ |
68c16a76 AP |
478 | for (remaining = fw->size; remaining > 0; remaining -= 8) { |
479 | len = 8; | |
1b97dc98 OS |
480 | memcpy(cmd.args, &fw->data[fw->size - remaining], len); |
481 | cmd.wlen = len; | |
482 | cmd.rlen = 1; | |
6307b560 | 483 | ret = si2168_cmd_execute(client, &cmd); |
68c16a76 AP |
484 | if (ret) |
485 | break; | |
845f3505 | 486 | } |
68c16a76 AP |
487 | } else { |
488 | /* bad or unknown firmware format */ | |
489 | ret = -EINVAL; | |
490 | } | |
491 | ||
492 | if (ret) { | |
493 | dev_err(&client->dev, "firmware download failed %d\n", ret); | |
494 | goto err_release_firmware; | |
845f3505 AP |
495 | } |
496 | ||
497 | release_firmware(fw); | |
845f3505 | 498 | |
888680ff | 499 | memcpy(cmd.args, "\x01\x01", 2); |
845f3505 AP |
500 | cmd.wlen = 2; |
501 | cmd.rlen = 1; | |
6307b560 | 502 | ret = si2168_cmd_execute(client, &cmd); |
845f3505 AP |
503 | if (ret) |
504 | goto err; | |
505 | ||
a594cf21 OS |
506 | /* query firmware version */ |
507 | memcpy(cmd.args, "\x11", 1); | |
508 | cmd.wlen = 1; | |
509 | cmd.rlen = 10; | |
6307b560 | 510 | ret = si2168_cmd_execute(client, &cmd); |
a594cf21 OS |
511 | if (ret) |
512 | goto err; | |
513 | ||
955e0ab8 | 514 | dev_info(&client->dev, "firmware version: %c.%c.%d\n", |
a594cf21 OS |
515 | cmd.args[6], cmd.args[7], cmd.args[8]); |
516 | ||
389ce398 OS |
517 | /* set ts mode */ |
518 | memcpy(cmd.args, "\x14\x00\x01\x10\x10\x00", 6); | |
bd01c766 | 519 | cmd.args[4] |= dev->ts_mode; |
8117a312 OS |
520 | if (dev->ts_clock_gapped) |
521 | cmd.args[4] |= 0x40; | |
389ce398 OS |
522 | cmd.wlen = 6; |
523 | cmd.rlen = 4; | |
6307b560 | 524 | ret = si2168_cmd_execute(client, &cmd); |
389ce398 OS |
525 | if (ret) |
526 | goto err; | |
527 | ||
bd01c766 | 528 | dev->fw_loaded = true; |
45c3cbb1 | 529 | warm: |
bd01c766 | 530 | dev->active = true; |
845f3505 AP |
531 | |
532 | return 0; | |
9b7839c3 | 533 | |
346d4900 | 534 | err_release_firmware: |
034e1ec0 ME |
535 | release_firmware(fw); |
536 | err: | |
3de35835 | 537 | dev_dbg(&client->dev, "failed=%d\n", ret); |
845f3505 AP |
538 | return ret; |
539 | } | |
540 | ||
541 | static int si2168_sleep(struct dvb_frontend *fe) | |
542 | { | |
6307b560 AP |
543 | struct i2c_client *client = fe->demodulator_priv; |
544 | struct si2168_dev *dev = i2c_get_clientdata(client); | |
4de0ed7c AP |
545 | int ret; |
546 | struct si2168_cmd cmd; | |
845f3505 | 547 | |
3de35835 | 548 | dev_dbg(&client->dev, "\n"); |
845f3505 | 549 | |
bd01c766 | 550 | dev->active = false; |
845f3505 | 551 | |
4de0ed7c AP |
552 | memcpy(cmd.args, "\x13", 1); |
553 | cmd.wlen = 1; | |
554 | cmd.rlen = 0; | |
6307b560 | 555 | ret = si2168_cmd_execute(client, &cmd); |
4de0ed7c AP |
556 | if (ret) |
557 | goto err; | |
558 | ||
845f3505 | 559 | return 0; |
4de0ed7c | 560 | err: |
3de35835 | 561 | dev_dbg(&client->dev, "failed=%d\n", ret); |
4de0ed7c | 562 | return ret; |
845f3505 AP |
563 | } |
564 | ||
565 | static int si2168_get_tune_settings(struct dvb_frontend *fe, | |
566 | struct dvb_frontend_tune_settings *s) | |
567 | { | |
568 | s->min_delay_ms = 900; | |
569 | ||
570 | return 0; | |
571 | } | |
572 | ||
58d7b541 | 573 | static int si2168_select(struct i2c_mux_core *muxc, u32 chan) |
845f3505 | 574 | { |
58d7b541 | 575 | struct i2c_client *client = i2c_mux_priv(muxc); |
845f3505 | 576 | int ret; |
d2b72f64 | 577 | struct si2168_cmd cmd; |
845f3505 | 578 | |
d2b72f64 AP |
579 | /* open I2C gate */ |
580 | memcpy(cmd.args, "\xc0\x0d\x01", 3); | |
581 | cmd.wlen = 3; | |
582 | cmd.rlen = 0; | |
e6d7ffcd | 583 | ret = si2168_cmd_execute(client, &cmd); |
d2b72f64 AP |
584 | if (ret) |
585 | goto err; | |
845f3505 | 586 | |
d2b72f64 AP |
587 | return 0; |
588 | err: | |
589 | dev_dbg(&client->dev, "failed=%d\n", ret); | |
845f3505 AP |
590 | return ret; |
591 | } | |
592 | ||
58d7b541 | 593 | static int si2168_deselect(struct i2c_mux_core *muxc, u32 chan) |
845f3505 | 594 | { |
58d7b541 | 595 | struct i2c_client *client = i2c_mux_priv(muxc); |
845f3505 | 596 | int ret; |
d2b72f64 | 597 | struct si2168_cmd cmd; |
845f3505 | 598 | |
d2b72f64 AP |
599 | /* close I2C gate */ |
600 | memcpy(cmd.args, "\xc0\x0d\x00", 3); | |
601 | cmd.wlen = 3; | |
602 | cmd.rlen = 0; | |
e6d7ffcd | 603 | ret = si2168_cmd_execute(client, &cmd); |
d2b72f64 AP |
604 | if (ret) |
605 | goto err; | |
845f3505 | 606 | |
d2b72f64 AP |
607 | return 0; |
608 | err: | |
609 | dev_dbg(&client->dev, "failed=%d\n", ret); | |
845f3505 AP |
610 | return ret; |
611 | } | |
612 | ||
613 | static const struct dvb_frontend_ops si2168_ops = { | |
c790885b | 614 | .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A}, |
845f3505 AP |
615 | .info = { |
616 | .name = "Silicon Labs Si2168", | |
f1ecc5d1 AP |
617 | .symbol_rate_min = 1000000, |
618 | .symbol_rate_max = 7200000, | |
845f3505 AP |
619 | .caps = FE_CAN_FEC_1_2 | |
620 | FE_CAN_FEC_2_3 | | |
621 | FE_CAN_FEC_3_4 | | |
622 | FE_CAN_FEC_5_6 | | |
623 | FE_CAN_FEC_7_8 | | |
624 | FE_CAN_FEC_AUTO | | |
625 | FE_CAN_QPSK | | |
626 | FE_CAN_QAM_16 | | |
627 | FE_CAN_QAM_32 | | |
628 | FE_CAN_QAM_64 | | |
629 | FE_CAN_QAM_128 | | |
630 | FE_CAN_QAM_256 | | |
631 | FE_CAN_QAM_AUTO | | |
632 | FE_CAN_TRANSMISSION_MODE_AUTO | | |
633 | FE_CAN_GUARD_INTERVAL_AUTO | | |
634 | FE_CAN_HIERARCHY_AUTO | | |
635 | FE_CAN_MUTE_TS | | |
327eeb3a OS |
636 | FE_CAN_2G_MODULATION | |
637 | FE_CAN_MULTISTREAM | |
845f3505 AP |
638 | }, |
639 | ||
640 | .get_tune_settings = si2168_get_tune_settings, | |
641 | ||
642 | .init = si2168_init, | |
643 | .sleep = si2168_sleep, | |
644 | ||
645 | .set_frontend = si2168_set_frontend, | |
646 | ||
647 | .read_status = si2168_read_status, | |
648 | }; | |
649 | ||
650 | static int si2168_probe(struct i2c_client *client, | |
651 | const struct i2c_device_id *id) | |
652 | { | |
653 | struct si2168_config *config = client->dev.platform_data; | |
bd01c766 | 654 | struct si2168_dev *dev; |
845f3505 | 655 | int ret; |
845f3505 | 656 | |
37b4e43d | 657 | dev_dbg(&client->dev, "\n"); |
845f3505 | 658 | |
bd01c766 AP |
659 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
660 | if (!dev) { | |
845f3505 | 661 | ret = -ENOMEM; |
37b4e43d | 662 | dev_err(&client->dev, "kzalloc() failed\n"); |
1ee5e7dd | 663 | goto err; |
845f3505 AP |
664 | } |
665 | ||
e6d7ffcd AP |
666 | mutex_init(&dev->i2c_mutex); |
667 | ||
845f3505 | 668 | /* create mux i2c adapter for tuner */ |
58d7b541 | 669 | dev->muxc = i2c_mux_alloc(client->adapter, &client->dev, |
e6d7ffcd | 670 | 1, 0, I2C_MUX_LOCKED, |
58d7b541 PR |
671 | si2168_select, si2168_deselect); |
672 | if (!dev->muxc) { | |
673 | ret = -ENOMEM; | |
346d4900 | 674 | goto err_kfree; |
4d6efc7a | 675 | } |
58d7b541 PR |
676 | dev->muxc->priv = client; |
677 | ret = i2c_mux_add_adapter(dev->muxc, 0, 0, 0); | |
678 | if (ret) | |
679 | goto err_kfree; | |
845f3505 AP |
680 | |
681 | /* create dvb_frontend */ | |
bd01c766 | 682 | memcpy(&dev->fe.ops, &si2168_ops, sizeof(struct dvb_frontend_ops)); |
6307b560 | 683 | dev->fe.demodulator_priv = client; |
58d7b541 | 684 | *config->i2c_adapter = dev->muxc->adapter[0]; |
bd01c766 AP |
685 | *config->fe = &dev->fe; |
686 | dev->ts_mode = config->ts_mode; | |
687 | dev->ts_clock_inv = config->ts_clock_inv; | |
8117a312 | 688 | dev->ts_clock_gapped = config->ts_clock_gapped; |
bd01c766 | 689 | dev->fw_loaded = false; |
845f3505 | 690 | |
bd01c766 | 691 | i2c_set_clientdata(client, dev); |
845f3505 | 692 | |
346d4900 | 693 | dev_info(&client->dev, "Silicon Labs Si2168 successfully attached\n"); |
845f3505 | 694 | return 0; |
346d4900 | 695 | err_kfree: |
bd01c766 | 696 | kfree(dev); |
1ee5e7dd | 697 | err: |
37b4e43d | 698 | dev_dbg(&client->dev, "failed=%d\n", ret); |
845f3505 AP |
699 | return ret; |
700 | } | |
701 | ||
702 | static int si2168_remove(struct i2c_client *client) | |
703 | { | |
bd01c766 | 704 | struct si2168_dev *dev = i2c_get_clientdata(client); |
845f3505 | 705 | |
37b4e43d | 706 | dev_dbg(&client->dev, "\n"); |
845f3505 | 707 | |
58d7b541 | 708 | i2c_mux_del_adapters(dev->muxc); |
845f3505 | 709 | |
bd01c766 AP |
710 | dev->fe.ops.release = NULL; |
711 | dev->fe.demodulator_priv = NULL; | |
845f3505 | 712 | |
bd01c766 | 713 | kfree(dev); |
845f3505 AP |
714 | |
715 | return 0; | |
716 | } | |
717 | ||
346d4900 | 718 | static const struct i2c_device_id si2168_id_table[] = { |
845f3505 AP |
719 | {"si2168", 0}, |
720 | {} | |
721 | }; | |
346d4900 | 722 | MODULE_DEVICE_TABLE(i2c, si2168_id_table); |
845f3505 AP |
723 | |
724 | static struct i2c_driver si2168_driver = { | |
725 | .driver = { | |
845f3505 AP |
726 | .name = "si2168", |
727 | }, | |
728 | .probe = si2168_probe, | |
729 | .remove = si2168_remove, | |
346d4900 | 730 | .id_table = si2168_id_table, |
845f3505 AP |
731 | }; |
732 | ||
733 | module_i2c_driver(si2168_driver); | |
734 | ||
735 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); | |
736 | MODULE_DESCRIPTION("Silicon Labs Si2168 DVB-T/T2/C demodulator driver"); | |
737 | MODULE_LICENSE("GPL"); | |
635a90cf | 738 | MODULE_FIRMWARE(SI2168_A20_FIRMWARE); |
668aa63c | 739 | MODULE_FIRMWARE(SI2168_A30_FIRMWARE); |
c9cb0820 | 740 | MODULE_FIRMWARE(SI2168_B40_FIRMWARE); |