Commit | Line | Data |
---|---|---|
ba92ae0f | 1 | /* |
17ad09f1 | 2 | * Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver |
ba92ae0f AP |
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 | ||
930a8730 AP |
17 | #include "si2157_priv.h" |
18 | ||
1b92373f OS |
19 | static const struct dvb_tuner_ops si2157_ops; |
20 | ||
930a8730 | 21 | /* execute firmware command */ |
8fe51725 | 22 | static int si2157_cmd_execute(struct i2c_client *client, struct si2157_cmd *cmd) |
930a8730 | 23 | { |
8fe51725 | 24 | struct si2157_dev *dev = i2c_get_clientdata(client); |
930a8730 | 25 | int ret; |
930a8730 AP |
26 | unsigned long timeout; |
27 | ||
70f13ff0 | 28 | mutex_lock(&dev->i2c_mutex); |
930a8730 | 29 | |
e6b4380f | 30 | if (cmd->wlen) { |
930a8730 | 31 | /* write cmd and args for firmware */ |
8fe51725 | 32 | ret = i2c_master_send(client, cmd->args, cmd->wlen); |
930a8730 AP |
33 | if (ret < 0) { |
34 | goto err_mutex_unlock; | |
e6b4380f | 35 | } else if (ret != cmd->wlen) { |
930a8730 AP |
36 | ret = -EREMOTEIO; |
37 | goto err_mutex_unlock; | |
38 | } | |
39 | } | |
40 | ||
e6b4380f AP |
41 | if (cmd->rlen) { |
42 | /* wait cmd execution terminate */ | |
43 | #define TIMEOUT 80 | |
44 | timeout = jiffies + msecs_to_jiffies(TIMEOUT); | |
45 | while (!time_after(jiffies, timeout)) { | |
8fe51725 | 46 | ret = i2c_master_recv(client, cmd->args, cmd->rlen); |
e6b4380f AP |
47 | if (ret < 0) { |
48 | goto err_mutex_unlock; | |
49 | } else if (ret != cmd->rlen) { | |
50 | ret = -EREMOTEIO; | |
51 | goto err_mutex_unlock; | |
52 | } | |
53 | ||
54 | /* firmware ready? */ | |
55 | if ((cmd->args[0] >> 7) & 0x01) | |
56 | break; | |
930a8730 AP |
57 | } |
58 | ||
8fe51725 | 59 | dev_dbg(&client->dev, "cmd execution took %d ms\n", |
e6b4380f AP |
60 | jiffies_to_msecs(jiffies) - |
61 | (jiffies_to_msecs(timeout) - TIMEOUT)); | |
930a8730 | 62 | |
e6b4380f AP |
63 | if (!((cmd->args[0] >> 7) & 0x01)) { |
64 | ret = -ETIMEDOUT; | |
65 | goto err_mutex_unlock; | |
66 | } | |
930a8730 AP |
67 | } |
68 | ||
7cbf5d76 AP |
69 | mutex_unlock(&dev->i2c_mutex); |
70 | return 0; | |
e6b4380f | 71 | |
930a8730 | 72 | err_mutex_unlock: |
70f13ff0 | 73 | mutex_unlock(&dev->i2c_mutex); |
8fe51725 | 74 | dev_dbg(&client->dev, "failed=%d\n", ret); |
930a8730 AP |
75 | return ret; |
76 | } | |
77 | ||
78 | static int si2157_init(struct dvb_frontend *fe) | |
79 | { | |
8fe51725 AP |
80 | struct i2c_client *client = fe->tuner_priv; |
81 | struct si2157_dev *dev = i2c_get_clientdata(client); | |
2f1ea29f | 82 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
7d6bc608 | 83 | int ret, len, remaining; |
b154121c | 84 | struct si2157_cmd cmd; |
78dab40a | 85 | const struct firmware *fw; |
08272db6 | 86 | const char *fw_name; |
7d6bc608 | 87 | unsigned int chip_id; |
930a8730 | 88 | |
8fe51725 | 89 | dev_dbg(&client->dev, "\n"); |
930a8730 | 90 | |
70f13ff0 | 91 | if (dev->fw_loaded) |
4cbf6ed9 OS |
92 | goto warm; |
93 | ||
94 | /* power up */ | |
70f13ff0 | 95 | if (dev->chiptype == SI2157_CHIPTYPE_SI2146) { |
073f3849 OS |
96 | memcpy(cmd.args, "\xc0\x05\x01\x00\x00\x0b\x00\x00\x01", 9); |
97 | cmd.wlen = 9; | |
98 | } else { | |
99 | memcpy(cmd.args, "\xc0\x00\x0c\x00\x00\x01\x01\x01\x01\x01\x01\x02\x00\x00\x01", 15); | |
100 | cmd.wlen = 15; | |
101 | } | |
b154121c | 102 | cmd.rlen = 1; |
8fe51725 | 103 | ret = si2157_cmd_execute(client, &cmd); |
b154121c OS |
104 | if (ret) |
105 | goto err; | |
106 | ||
107 | /* query chip revision */ | |
108 | memcpy(cmd.args, "\x02", 1); | |
109 | cmd.wlen = 1; | |
110 | cmd.rlen = 13; | |
8fe51725 | 111 | ret = si2157_cmd_execute(client, &cmd); |
b154121c OS |
112 | if (ret) |
113 | goto err; | |
114 | ||
7d6bc608 AP |
115 | chip_id = cmd.args[1] << 24 | cmd.args[2] << 16 | cmd.args[3] << 8 | |
116 | cmd.args[4] << 0; | |
117 | ||
118 | #define SI2158_A20 ('A' << 24 | 58 << 16 | '2' << 8 | '0' << 0) | |
17ad09f1 | 119 | #define SI2148_A20 ('A' << 24 | 48 << 16 | '2' << 8 | '0' << 0) |
7d6bc608 | 120 | #define SI2157_A30 ('A' << 24 | 57 << 16 | '3' << 8 | '0' << 0) |
d87a5058 | 121 | #define SI2147_A30 ('A' << 24 | 47 << 16 | '3' << 8 | '0' << 0) |
073f3849 | 122 | #define SI2146_A10 ('A' << 24 | 46 << 16 | '1' << 8 | '0' << 0) |
7d6bc608 AP |
123 | |
124 | switch (chip_id) { | |
125 | case SI2158_A20: | |
17ad09f1 | 126 | case SI2148_A20: |
08272db6 | 127 | fw_name = SI2158_A20_FIRMWARE; |
7d6bc608 AP |
128 | break; |
129 | case SI2157_A30: | |
d87a5058 | 130 | case SI2147_A30: |
073f3849 | 131 | case SI2146_A10: |
08272db6 | 132 | fw_name = NULL; |
6c372533 | 133 | break; |
7d6bc608 | 134 | default: |
8fe51725 | 135 | dev_err(&client->dev, "unknown chip version Si21%d-%c%c%c\n", |
67d0113a | 136 | cmd.args[2], cmd.args[1], |
7d6bc608 AP |
137 | cmd.args[3], cmd.args[4]); |
138 | ret = -EINVAL; | |
139 | goto err; | |
140 | } | |
1b92373f | 141 | |
6c372533 AP |
142 | dev_info(&client->dev, "found a 'Silicon Labs Si21%d-%c%c%c'\n", |
143 | cmd.args[2], cmd.args[1], cmd.args[3], cmd.args[4]); | |
144 | ||
08272db6 | 145 | if (fw_name == NULL) |
6c372533 | 146 | goto skip_fw_download; |
1b92373f | 147 | |
7d6bc608 | 148 | /* request the firmware, this will block and timeout */ |
08272db6 | 149 | ret = request_firmware(&fw, fw_name, &client->dev); |
7d6bc608 | 150 | if (ret) { |
8fe51725 | 151 | dev_err(&client->dev, "firmware file '%s' not found\n", |
08272db6 | 152 | fw_name); |
7d6bc608 AP |
153 | goto err; |
154 | } | |
1b92373f | 155 | |
7d6bc608 AP |
156 | /* firmware should be n chunks of 17 bytes */ |
157 | if (fw->size % 17 != 0) { | |
8fe51725 | 158 | dev_err(&client->dev, "firmware file '%s' is invalid\n", |
08272db6 | 159 | fw_name); |
7d6bc608 | 160 | ret = -EINVAL; |
78dab40a | 161 | goto err_release_firmware; |
7d6bc608 | 162 | } |
1b92373f | 163 | |
8fe51725 | 164 | dev_info(&client->dev, "downloading firmware from file '%s'\n", |
08272db6 | 165 | fw_name); |
1b92373f | 166 | |
7d6bc608 AP |
167 | for (remaining = fw->size; remaining > 0; remaining -= 17) { |
168 | len = fw->data[fw->size - remaining]; | |
169 | memcpy(cmd.args, &fw->data[(fw->size - remaining) + 1], len); | |
170 | cmd.wlen = len; | |
171 | cmd.rlen = 1; | |
8fe51725 | 172 | ret = si2157_cmd_execute(client, &cmd); |
7d6bc608 | 173 | if (ret) { |
8fe51725 | 174 | dev_err(&client->dev, "firmware download failed %d\n", |
67d0113a | 175 | ret); |
78dab40a | 176 | goto err_release_firmware; |
1b92373f | 177 | } |
1b92373f OS |
178 | } |
179 | ||
7d6bc608 | 180 | release_firmware(fw); |
7d6bc608 AP |
181 | |
182 | skip_fw_download: | |
b154121c OS |
183 | /* reboot the tuner with new firmware? */ |
184 | memcpy(cmd.args, "\x01\x01", 2); | |
185 | cmd.wlen = 2; | |
186 | cmd.rlen = 1; | |
8fe51725 | 187 | ret = si2157_cmd_execute(client, &cmd); |
b154121c OS |
188 | if (ret) |
189 | goto err; | |
190 | ||
c7011845 AP |
191 | /* query firmware version */ |
192 | memcpy(cmd.args, "\x11", 1); | |
193 | cmd.wlen = 1; | |
194 | cmd.rlen = 10; | |
195 | ret = si2157_cmd_execute(client, &cmd); | |
196 | if (ret) | |
197 | goto err; | |
198 | ||
199 | dev_info(&client->dev, "firmware version: %c.%c.%d\n", | |
200 | cmd.args[6], cmd.args[7], cmd.args[8]); | |
201 | ||
70f13ff0 | 202 | dev->fw_loaded = true; |
930a8730 | 203 | |
4cbf6ed9 | 204 | warm: |
2f1ea29f AP |
205 | /* init statistics in order signal app which are supported */ |
206 | c->strength.len = 1; | |
207 | c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; | |
208 | /* start statistics polling */ | |
209 | schedule_delayed_work(&dev->stat_work, msecs_to_jiffies(1000)); | |
210 | ||
70f13ff0 | 211 | dev->active = true; |
930a8730 | 212 | return 0; |
78dab40a | 213 | err_release_firmware: |
dc89cfcf | 214 | release_firmware(fw); |
e358c8a6 | 215 | err: |
8fe51725 | 216 | dev_dbg(&client->dev, "failed=%d\n", ret); |
b154121c | 217 | return ret; |
930a8730 AP |
218 | } |
219 | ||
220 | static int si2157_sleep(struct dvb_frontend *fe) | |
221 | { | |
8fe51725 AP |
222 | struct i2c_client *client = fe->tuner_priv; |
223 | struct si2157_dev *dev = i2c_get_clientdata(client); | |
a83d7d17 AP |
224 | int ret; |
225 | struct si2157_cmd cmd; | |
930a8730 | 226 | |
8fe51725 | 227 | dev_dbg(&client->dev, "\n"); |
930a8730 | 228 | |
70f13ff0 | 229 | dev->active = false; |
930a8730 | 230 | |
2f1ea29f AP |
231 | /* stop statistics polling */ |
232 | cancel_delayed_work_sync(&dev->stat_work); | |
233 | ||
0e38233d OS |
234 | /* standby */ |
235 | memcpy(cmd.args, "\x16\x00", 2); | |
236 | cmd.wlen = 2; | |
237 | cmd.rlen = 1; | |
8fe51725 | 238 | ret = si2157_cmd_execute(client, &cmd); |
a83d7d17 AP |
239 | if (ret) |
240 | goto err; | |
241 | ||
930a8730 | 242 | return 0; |
a83d7d17 | 243 | err: |
8fe51725 | 244 | dev_dbg(&client->dev, "failed=%d\n", ret); |
a83d7d17 | 245 | return ret; |
930a8730 AP |
246 | } |
247 | ||
248 | static int si2157_set_params(struct dvb_frontend *fe) | |
249 | { | |
8fe51725 AP |
250 | struct i2c_client *client = fe->tuner_priv; |
251 | struct si2157_dev *dev = i2c_get_clientdata(client); | |
930a8730 AP |
252 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
253 | int ret; | |
254 | struct si2157_cmd cmd; | |
a1dad50d | 255 | u8 bandwidth, delivery_system; |
c28aebe1 | 256 | u32 if_frequency = 5000000; |
930a8730 | 257 | |
8fe51725 | 258 | dev_dbg(&client->dev, |
67d0113a | 259 | "delivery_system=%d frequency=%u bandwidth_hz=%u\n", |
8fe51725 | 260 | c->delivery_system, c->frequency, c->bandwidth_hz); |
930a8730 | 261 | |
70f13ff0 | 262 | if (!dev->active) { |
930a8730 AP |
263 | ret = -EAGAIN; |
264 | goto err; | |
265 | } | |
266 | ||
a1dad50d OS |
267 | if (c->bandwidth_hz <= 6000000) |
268 | bandwidth = 0x06; | |
269 | else if (c->bandwidth_hz <= 7000000) | |
270 | bandwidth = 0x07; | |
271 | else if (c->bandwidth_hz <= 8000000) | |
272 | bandwidth = 0x08; | |
273 | else | |
274 | bandwidth = 0x0f; | |
275 | ||
276 | switch (c->delivery_system) { | |
5cd62db7 OS |
277 | case SYS_ATSC: |
278 | delivery_system = 0x00; | |
c28aebe1 | 279 | if_frequency = 3250000; |
5cd62db7 | 280 | break; |
0d1165fc OS |
281 | case SYS_DVBC_ANNEX_B: |
282 | delivery_system = 0x10; | |
c28aebe1 | 283 | if_frequency = 4000000; |
0d1165fc | 284 | break; |
a1dad50d OS |
285 | case SYS_DVBT: |
286 | case SYS_DVBT2: /* it seems DVB-T and DVB-T2 both are 0x20 here */ | |
287 | delivery_system = 0x20; | |
288 | break; | |
289 | case SYS_DVBC_ANNEX_A: | |
290 | delivery_system = 0x30; | |
291 | break; | |
292 | default: | |
293 | ret = -EINVAL; | |
294 | goto err; | |
295 | } | |
296 | ||
297 | memcpy(cmd.args, "\x14\x00\x03\x07\x00\x00", 6); | |
298 | cmd.args[4] = delivery_system | bandwidth; | |
70f13ff0 | 299 | if (dev->inversion) |
05024efe | 300 | cmd.args[5] = 0x01; |
a1dad50d | 301 | cmd.wlen = 6; |
d87a5058 | 302 | cmd.rlen = 4; |
8fe51725 | 303 | ret = si2157_cmd_execute(client, &cmd); |
d87a5058 OS |
304 | if (ret) |
305 | goto err; | |
306 | ||
70f13ff0 | 307 | if (dev->chiptype == SI2157_CHIPTYPE_SI2146) |
073f3849 OS |
308 | memcpy(cmd.args, "\x14\x00\x02\x07\x00\x01", 6); |
309 | else | |
ee3c3e46 OS |
310 | memcpy(cmd.args, "\x14\x00\x02\x07\x00\x00", 6); |
311 | cmd.args[4] = dev->if_port; | |
d87a5058 OS |
312 | cmd.wlen = 6; |
313 | cmd.rlen = 4; | |
8fe51725 | 314 | ret = si2157_cmd_execute(client, &cmd); |
a1dad50d OS |
315 | if (ret) |
316 | goto err; | |
317 | ||
c28aebe1 OS |
318 | /* set if frequency if needed */ |
319 | if (if_frequency != dev->if_frequency) { | |
320 | memcpy(cmd.args, "\x14\x00\x06\x07", 4); | |
321 | cmd.args[4] = (if_frequency / 1000) & 0xff; | |
322 | cmd.args[5] = ((if_frequency / 1000) >> 8) & 0xff; | |
323 | cmd.wlen = 6; | |
324 | cmd.rlen = 4; | |
325 | ret = si2157_cmd_execute(client, &cmd); | |
326 | if (ret) | |
327 | goto err; | |
328 | ||
329 | dev->if_frequency = if_frequency; | |
330 | } | |
331 | ||
930a8730 | 332 | /* set frequency */ |
b154121c | 333 | memcpy(cmd.args, "\x41\x00\x00\x00\x00\x00\x00\x00", 8); |
930a8730 AP |
334 | cmd.args[4] = (c->frequency >> 0) & 0xff; |
335 | cmd.args[5] = (c->frequency >> 8) & 0xff; | |
336 | cmd.args[6] = (c->frequency >> 16) & 0xff; | |
337 | cmd.args[7] = (c->frequency >> 24) & 0xff; | |
e6b4380f AP |
338 | cmd.wlen = 8; |
339 | cmd.rlen = 1; | |
8fe51725 | 340 | ret = si2157_cmd_execute(client, &cmd); |
930a8730 AP |
341 | if (ret) |
342 | goto err; | |
343 | ||
344 | return 0; | |
345 | err: | |
8fe51725 | 346 | dev_dbg(&client->dev, "failed=%d\n", ret); |
930a8730 AP |
347 | return ret; |
348 | } | |
349 | ||
1140540d MS |
350 | static int si2157_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) |
351 | { | |
c28aebe1 OS |
352 | struct i2c_client *client = fe->tuner_priv; |
353 | struct si2157_dev *dev = i2c_get_clientdata(client); | |
354 | ||
355 | *frequency = dev->if_frequency; | |
1140540d MS |
356 | return 0; |
357 | } | |
358 | ||
6cc8a35d | 359 | static const struct dvb_tuner_ops si2157_ops = { |
930a8730 | 360 | .info = { |
17ad09f1 | 361 | .name = "Silicon Labs Si2146/2147/2148/2157/2158", |
18acc6ac | 362 | .frequency_min = 55000000, |
930a8730 AP |
363 | .frequency_max = 862000000, |
364 | }, | |
365 | ||
366 | .init = si2157_init, | |
367 | .sleep = si2157_sleep, | |
368 | .set_params = si2157_set_params, | |
1140540d | 369 | .get_if_frequency = si2157_get_if_frequency, |
930a8730 AP |
370 | }; |
371 | ||
2f1ea29f AP |
372 | static void si2157_stat_work(struct work_struct *work) |
373 | { | |
374 | struct si2157_dev *dev = container_of(work, struct si2157_dev, stat_work.work); | |
375 | struct dvb_frontend *fe = dev->fe; | |
376 | struct i2c_client *client = fe->tuner_priv; | |
377 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; | |
378 | struct si2157_cmd cmd; | |
379 | int ret; | |
380 | ||
381 | dev_dbg(&client->dev, "\n"); | |
382 | ||
383 | memcpy(cmd.args, "\x42\x00", 2); | |
384 | cmd.wlen = 2; | |
385 | cmd.rlen = 12; | |
386 | ret = si2157_cmd_execute(client, &cmd); | |
387 | if (ret) | |
388 | goto err; | |
389 | ||
390 | c->strength.stat[0].scale = FE_SCALE_DECIBEL; | |
391 | c->strength.stat[0].svalue = (s8) cmd.args[3] * 1000; | |
392 | ||
393 | schedule_delayed_work(&dev->stat_work, msecs_to_jiffies(2000)); | |
394 | return; | |
395 | err: | |
396 | c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE; | |
397 | dev_dbg(&client->dev, "failed=%d\n", ret); | |
398 | } | |
399 | ||
930a8730 AP |
400 | static int si2157_probe(struct i2c_client *client, |
401 | const struct i2c_device_id *id) | |
402 | { | |
403 | struct si2157_config *cfg = client->dev.platform_data; | |
404 | struct dvb_frontend *fe = cfg->fe; | |
70f13ff0 | 405 | struct si2157_dev *dev; |
930a8730 AP |
406 | struct si2157_cmd cmd; |
407 | int ret; | |
408 | ||
70f13ff0 AP |
409 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); |
410 | if (!dev) { | |
930a8730 | 411 | ret = -ENOMEM; |
67d0113a | 412 | dev_err(&client->dev, "kzalloc() failed\n"); |
930a8730 AP |
413 | goto err; |
414 | } | |
415 | ||
8fe51725 | 416 | i2c_set_clientdata(client, dev); |
70f13ff0 AP |
417 | dev->fe = cfg->fe; |
418 | dev->inversion = cfg->inversion; | |
ee3c3e46 | 419 | dev->if_port = cfg->if_port; |
70f13ff0 AP |
420 | dev->fw_loaded = false; |
421 | dev->chiptype = (u8)id->driver_data; | |
c28aebe1 | 422 | dev->if_frequency = 5000000; /* default value of property 0x0706 */ |
70f13ff0 | 423 | mutex_init(&dev->i2c_mutex); |
2f1ea29f | 424 | INIT_DELAYED_WORK(&dev->stat_work, si2157_stat_work); |
930a8730 AP |
425 | |
426 | /* check if the tuner is there */ | |
e6b4380f AP |
427 | cmd.wlen = 0; |
428 | cmd.rlen = 1; | |
8fe51725 | 429 | ret = si2157_cmd_execute(client, &cmd); |
930a8730 | 430 | if (ret) |
e7f3f9f3 | 431 | goto err_kfree; |
930a8730 | 432 | |
70f13ff0 | 433 | memcpy(&fe->ops.tuner_ops, &si2157_ops, sizeof(struct dvb_tuner_ops)); |
8fe51725 | 434 | fe->tuner_priv = client; |
930a8730 | 435 | |
8fe51725 | 436 | dev_info(&client->dev, "Silicon Labs %s successfully attached\n", |
70f13ff0 | 437 | dev->chiptype == SI2157_CHIPTYPE_SI2146 ? |
17ad09f1 | 438 | "Si2146" : "Si2147/2148/2157/2158"); |
073f3849 | 439 | |
930a8730 | 440 | return 0; |
e7f3f9f3 AP |
441 | |
442 | err_kfree: | |
443 | kfree(dev); | |
930a8730 | 444 | err: |
67d0113a | 445 | dev_dbg(&client->dev, "failed=%d\n", ret); |
930a8730 AP |
446 | return ret; |
447 | } | |
448 | ||
449 | static int si2157_remove(struct i2c_client *client) | |
450 | { | |
70f13ff0 AP |
451 | struct si2157_dev *dev = i2c_get_clientdata(client); |
452 | struct dvb_frontend *fe = dev->fe; | |
930a8730 | 453 | |
67d0113a | 454 | dev_dbg(&client->dev, "\n"); |
930a8730 AP |
455 | |
456 | memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops)); | |
457 | fe->tuner_priv = NULL; | |
70f13ff0 | 458 | kfree(dev); |
930a8730 AP |
459 | |
460 | return 0; | |
461 | } | |
462 | ||
c1292233 AP |
463 | static const struct i2c_device_id si2157_id_table[] = { |
464 | {"si2157", SI2157_CHIPTYPE_SI2157}, | |
465 | {"si2146", SI2157_CHIPTYPE_SI2146}, | |
930a8730 AP |
466 | {} |
467 | }; | |
c1292233 | 468 | MODULE_DEVICE_TABLE(i2c, si2157_id_table); |
930a8730 AP |
469 | |
470 | static struct i2c_driver si2157_driver = { | |
471 | .driver = { | |
472 | .owner = THIS_MODULE, | |
473 | .name = "si2157", | |
474 | }, | |
475 | .probe = si2157_probe, | |
476 | .remove = si2157_remove, | |
c1292233 | 477 | .id_table = si2157_id_table, |
930a8730 AP |
478 | }; |
479 | ||
480 | module_i2c_driver(si2157_driver); | |
481 | ||
17ad09f1 | 482 | MODULE_DESCRIPTION("Silicon Labs Si2146/2147/2148/2157/2158 silicon tuner driver"); |
930a8730 AP |
483 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); |
484 | MODULE_LICENSE("GPL"); | |
bac53a2c | 485 | MODULE_FIRMWARE(SI2158_A20_FIRMWARE); |