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dadb5bb4 AP |
1 | /* |
2 | * Panasonic MN88473 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 | ||
17 | #include "mn88473_priv.h" | |
18 | ||
dadb5bb4 | 19 | static int mn88473_get_tune_settings(struct dvb_frontend *fe, |
b4c2c314 | 20 | struct dvb_frontend_tune_settings *s) |
dadb5bb4 AP |
21 | { |
22 | s->min_delay_ms = 1000; | |
23 | return 0; | |
24 | } | |
25 | ||
26 | static int mn88473_set_frontend(struct dvb_frontend *fe) | |
27 | { | |
01b4be14 AP |
28 | struct i2c_client *client = fe->demodulator_priv; |
29 | struct mn88473_dev *dev = i2c_get_clientdata(client); | |
dadb5bb4 | 30 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
c00a6b9f | 31 | int ret, i; |
df810e8a | 32 | u32 if_frequency; |
3b786f13 | 33 | u64 tmp; |
df810e8a | 34 | u8 delivery_system_val, if_val[3], bw_val[7]; |
dadb5bb4 | 35 | |
01b4be14 | 36 | dev_dbg(&client->dev, |
b4c2c314 KD |
37 | "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%d stream_id=%d\n", |
38 | c->delivery_system, | |
39 | c->modulation, | |
40 | c->frequency, | |
41 | c->bandwidth_hz, | |
42 | c->symbol_rate, | |
43 | c->inversion, | |
44 | c->stream_id); | |
dadb5bb4 AP |
45 | |
46 | if (!dev->warm) { | |
47 | ret = -EAGAIN; | |
48 | goto err; | |
49 | } | |
50 | ||
c00a6b9f | 51 | switch (c->delivery_system) { |
6ebbe22d | 52 | case SYS_DVBT: |
df810e8a | 53 | delivery_system_val = 0x02; |
6ebbe22d | 54 | break; |
c00a6b9f | 55 | case SYS_DVBT2: |
df810e8a | 56 | delivery_system_val = 0x03; |
c00a6b9f AP |
57 | break; |
58 | case SYS_DVBC_ANNEX_A: | |
df810e8a AP |
59 | delivery_system_val = 0x04; |
60 | break; | |
61 | default: | |
62 | ret = -EINVAL; | |
63 | goto err; | |
64 | } | |
65 | ||
3d945be0 BL |
66 | if (c->bandwidth_hz <= 6000000) { |
67 | memcpy(bw_val, "\xe9\x55\x55\x1c\x29\x1c\x29", 7); | |
68 | } else if (c->bandwidth_hz <= 7000000) { | |
69 | memcpy(bw_val, "\xc8\x00\x00\x17\x0a\x17\x0a", 7); | |
70 | } else if (c->bandwidth_hz <= 8000000) { | |
df810e8a | 71 | memcpy(bw_val, "\xaf\x00\x00\x11\xec\x11\xec", 7); |
3d945be0 | 72 | } else { |
c00a6b9f AP |
73 | ret = -EINVAL; |
74 | goto err; | |
75 | } | |
76 | ||
dadb5bb4 AP |
77 | /* program tuner */ |
78 | if (fe->ops.tuner_ops.set_params) { | |
79 | ret = fe->ops.tuner_ops.set_params(fe); | |
80 | if (ret) | |
81 | goto err; | |
82 | } | |
83 | ||
84 | if (fe->ops.tuner_ops.get_if_frequency) { | |
85 | ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency); | |
86 | if (ret) | |
87 | goto err; | |
88 | ||
01b4be14 | 89 | dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency); |
df810e8a AP |
90 | } else { |
91 | if_frequency = 0; | |
dadb5bb4 AP |
92 | } |
93 | ||
3b786f13 BL |
94 | /* Calculate IF registers ( (1<<24)*IF / Xtal ) */ |
95 | tmp = div_u64(if_frequency * (u64)(1<<24) + (dev->xtal / 2), | |
96 | dev->xtal); | |
97 | if_val[0] = ((tmp >> 16) & 0xff); | |
98 | if_val[1] = ((tmp >> 8) & 0xff); | |
99 | if_val[2] = ((tmp >> 0) & 0xff); | |
dadb5bb4 | 100 | |
97de6e89 AP |
101 | ret = regmap_write(dev->regmap[2], 0x05, 0x00); |
102 | ret = regmap_write(dev->regmap[2], 0xfb, 0x13); | |
103 | ret = regmap_write(dev->regmap[2], 0xef, 0x13); | |
104 | ret = regmap_write(dev->regmap[2], 0xf9, 0x13); | |
105 | ret = regmap_write(dev->regmap[2], 0x00, 0x18); | |
106 | ret = regmap_write(dev->regmap[2], 0x01, 0x01); | |
107 | ret = regmap_write(dev->regmap[2], 0x02, 0x21); | |
108 | ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val); | |
109 | ret = regmap_write(dev->regmap[2], 0x0b, 0x00); | |
c00a6b9f | 110 | |
df810e8a | 111 | for (i = 0; i < sizeof(if_val); i++) { |
97de6e89 | 112 | ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]); |
df810e8a AP |
113 | if (ret) |
114 | goto err; | |
115 | } | |
116 | ||
117 | for (i = 0; i < sizeof(bw_val); i++) { | |
97de6e89 | 118 | ret = regmap_write(dev->regmap[2], 0x13 + i, bw_val[i]); |
c00a6b9f AP |
119 | if (ret) |
120 | goto err; | |
121 | } | |
122 | ||
97de6e89 AP |
123 | ret = regmap_write(dev->regmap[2], 0x2d, 0x3b); |
124 | ret = regmap_write(dev->regmap[2], 0x2e, 0x00); | |
125 | ret = regmap_write(dev->regmap[2], 0x56, 0x0d); | |
126 | ret = regmap_write(dev->regmap[0], 0x01, 0xba); | |
127 | ret = regmap_write(dev->regmap[0], 0x02, 0x13); | |
128 | ret = regmap_write(dev->regmap[0], 0x03, 0x80); | |
129 | ret = regmap_write(dev->regmap[0], 0x04, 0xba); | |
130 | ret = regmap_write(dev->regmap[0], 0x05, 0x91); | |
131 | ret = regmap_write(dev->regmap[0], 0x07, 0xe7); | |
132 | ret = regmap_write(dev->regmap[0], 0x08, 0x28); | |
133 | ret = regmap_write(dev->regmap[0], 0x0a, 0x1a); | |
134 | ret = regmap_write(dev->regmap[0], 0x13, 0x1f); | |
135 | ret = regmap_write(dev->regmap[0], 0x19, 0x03); | |
136 | ret = regmap_write(dev->regmap[0], 0x1d, 0xb0); | |
137 | ret = regmap_write(dev->regmap[0], 0x2a, 0x72); | |
138 | ret = regmap_write(dev->regmap[0], 0x2d, 0x00); | |
139 | ret = regmap_write(dev->regmap[0], 0x3c, 0x00); | |
140 | ret = regmap_write(dev->regmap[0], 0x3f, 0xf8); | |
141 | ret = regmap_write(dev->regmap[0], 0x40, 0xf4); | |
142 | ret = regmap_write(dev->regmap[0], 0x41, 0x08); | |
143 | ret = regmap_write(dev->regmap[0], 0xd2, 0x29); | |
144 | ret = regmap_write(dev->regmap[0], 0xd4, 0x55); | |
145 | ret = regmap_write(dev->regmap[1], 0x10, 0x10); | |
146 | ret = regmap_write(dev->regmap[1], 0x11, 0xab); | |
147 | ret = regmap_write(dev->regmap[1], 0x12, 0x0d); | |
148 | ret = regmap_write(dev->regmap[1], 0x13, 0xae); | |
149 | ret = regmap_write(dev->regmap[1], 0x14, 0x1d); | |
150 | ret = regmap_write(dev->regmap[1], 0x15, 0x9d); | |
151 | ret = regmap_write(dev->regmap[1], 0xbe, 0x08); | |
152 | ret = regmap_write(dev->regmap[2], 0x09, 0x08); | |
153 | ret = regmap_write(dev->regmap[2], 0x08, 0x1d); | |
154 | ret = regmap_write(dev->regmap[0], 0xb2, 0x37); | |
155 | ret = regmap_write(dev->regmap[0], 0xd7, 0x04); | |
156 | ret = regmap_write(dev->regmap[2], 0x32, 0x80); | |
157 | ret = regmap_write(dev->regmap[2], 0x36, 0x00); | |
158 | ret = regmap_write(dev->regmap[2], 0xf8, 0x9f); | |
dadb5bb4 AP |
159 | if (ret) |
160 | goto err; | |
161 | ||
162 | dev->delivery_system = c->delivery_system; | |
163 | ||
164 | return 0; | |
165 | err: | |
01b4be14 | 166 | dev_dbg(&client->dev, "failed=%d\n", ret); |
dadb5bb4 AP |
167 | return ret; |
168 | } | |
169 | ||
0df289a2 | 170 | static int mn88473_read_status(struct dvb_frontend *fe, enum fe_status *status) |
dadb5bb4 | 171 | { |
01b4be14 AP |
172 | struct i2c_client *client = fe->demodulator_priv; |
173 | struct mn88473_dev *dev = i2c_get_clientdata(client); | |
0aa83bb1 | 174 | struct dtv_frontend_properties *c = &fe->dtv_property_cache; |
dadb5bb4 | 175 | int ret; |
0aa83bb1 BL |
176 | unsigned int utmp; |
177 | int lock = 0; | |
dadb5bb4 AP |
178 | |
179 | *status = 0; | |
180 | ||
181 | if (!dev->warm) { | |
182 | ret = -EAGAIN; | |
183 | goto err; | |
184 | } | |
185 | ||
0aa83bb1 BL |
186 | switch (c->delivery_system) { |
187 | case SYS_DVBT: | |
188 | ret = regmap_read(dev->regmap[0], 0x62, &utmp); | |
189 | if (ret) | |
190 | goto err; | |
191 | if (!(utmp & 0xA0)) { | |
192 | if ((utmp & 0xF) >= 0x03) | |
193 | *status |= FE_HAS_SIGNAL; | |
194 | if ((utmp & 0xF) >= 0x09) | |
195 | lock = 1; | |
196 | } | |
197 | break; | |
198 | case SYS_DVBT2: | |
199 | ret = regmap_read(dev->regmap[2], 0x8B, &utmp); | |
200 | if (ret) | |
201 | goto err; | |
202 | if (!(utmp & 0x40)) { | |
203 | if ((utmp & 0xF) >= 0x07) | |
204 | *status |= FE_HAS_SIGNAL; | |
205 | if ((utmp & 0xF) >= 0x0a) | |
206 | *status |= FE_HAS_CARRIER; | |
207 | if ((utmp & 0xF) >= 0x0d) | |
208 | *status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; | |
209 | } | |
210 | break; | |
211 | case SYS_DVBC_ANNEX_A: | |
212 | ret = regmap_read(dev->regmap[1], 0x85, &utmp); | |
213 | if (ret) | |
214 | goto err; | |
215 | if (!(utmp & 0x40)) { | |
216 | ret = regmap_read(dev->regmap[1], 0x89, &utmp); | |
217 | if (ret) | |
218 | goto err; | |
219 | if (utmp & 0x01) | |
220 | lock = 1; | |
221 | } | |
222 | break; | |
223 | default: | |
224 | ret = -EINVAL; | |
225 | goto err; | |
226 | } | |
227 | ||
228 | if (lock) | |
229 | *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI | | |
230 | FE_HAS_SYNC | FE_HAS_LOCK; | |
dadb5bb4 AP |
231 | |
232 | return 0; | |
233 | err: | |
01b4be14 | 234 | dev_dbg(&client->dev, "failed=%d\n", ret); |
dadb5bb4 AP |
235 | return ret; |
236 | } | |
237 | ||
238 | static int mn88473_init(struct dvb_frontend *fe) | |
239 | { | |
01b4be14 AP |
240 | struct i2c_client *client = fe->demodulator_priv; |
241 | struct mn88473_dev *dev = i2c_get_clientdata(client); | |
dadb5bb4 AP |
242 | int ret, len, remaining; |
243 | const struct firmware *fw = NULL; | |
244 | u8 *fw_file = MN88473_FIRMWARE; | |
0f21ac7f | 245 | unsigned int tmp; |
dadb5bb4 | 246 | |
01b4be14 | 247 | dev_dbg(&client->dev, "\n"); |
dadb5bb4 | 248 | |
567627bf BL |
249 | /* set cold state by default */ |
250 | dev->warm = false; | |
251 | ||
252 | /* check if firmware is already running */ | |
253 | ret = regmap_read(dev->regmap[0], 0xf5, &tmp); | |
254 | if (ret) | |
255 | goto err; | |
256 | ||
257 | if (!(tmp & 0x1)) { | |
258 | dev_info(&client->dev, "firmware already running\n"); | |
259 | dev->warm = true; | |
dadb5bb4 | 260 | return 0; |
567627bf | 261 | } |
dadb5bb4 AP |
262 | |
263 | /* request the firmware, this will block and timeout */ | |
01b4be14 | 264 | ret = request_firmware(&fw, fw_file, &client->dev); |
dadb5bb4 | 265 | if (ret) { |
01b4be14 | 266 | dev_err(&client->dev, "firmare file '%s' not found\n", fw_file); |
71947828 | 267 | goto err_request_firmware; |
dadb5bb4 AP |
268 | } |
269 | ||
01b4be14 | 270 | dev_info(&client->dev, "downloading firmware from file '%s'\n", |
b4c2c314 | 271 | fw_file); |
dadb5bb4 | 272 | |
97de6e89 | 273 | ret = regmap_write(dev->regmap[0], 0xf5, 0x03); |
dadb5bb4 AP |
274 | if (ret) |
275 | goto err; | |
276 | ||
277 | for (remaining = fw->size; remaining > 0; | |
01b4be14 | 278 | remaining -= (dev->i2c_wr_max - 1)) { |
dadb5bb4 | 279 | len = remaining; |
01b4be14 | 280 | if (len > (dev->i2c_wr_max - 1)) |
8126e17f | 281 | len = dev->i2c_wr_max - 1; |
dadb5bb4 | 282 | |
97de6e89 | 283 | ret = regmap_bulk_write(dev->regmap[0], 0xf6, |
b4c2c314 | 284 | &fw->data[fw->size - remaining], len); |
dadb5bb4 | 285 | if (ret) { |
01b4be14 | 286 | dev_err(&client->dev, "firmware download failed=%d\n", |
b4c2c314 | 287 | ret); |
dadb5bb4 AP |
288 | goto err; |
289 | } | |
290 | } | |
291 | ||
0f21ac7f BL |
292 | /* parity check of firmware */ |
293 | ret = regmap_read(dev->regmap[0], 0xf8, &tmp); | |
294 | if (ret) { | |
295 | dev_err(&client->dev, | |
296 | "parity reg read failed=%d\n", ret); | |
297 | goto err; | |
298 | } | |
299 | if (tmp & 0x10) { | |
300 | dev_err(&client->dev, | |
301 | "firmware parity check failed=0x%x\n", tmp); | |
302 | goto err; | |
303 | } | |
304 | dev_err(&client->dev, "firmware parity check succeeded=0x%x\n", tmp); | |
305 | ||
97de6e89 | 306 | ret = regmap_write(dev->regmap[0], 0xf5, 0x00); |
dadb5bb4 AP |
307 | if (ret) |
308 | goto err; | |
309 | ||
310 | release_firmware(fw); | |
311 | fw = NULL; | |
312 | ||
313 | /* warm state */ | |
314 | dev->warm = true; | |
315 | ||
316 | return 0; | |
71947828 | 317 | |
dadb5bb4 | 318 | err: |
b5911384 | 319 | release_firmware(fw); |
71947828 | 320 | err_request_firmware: |
01b4be14 | 321 | dev_dbg(&client->dev, "failed=%d\n", ret); |
dadb5bb4 AP |
322 | return ret; |
323 | } | |
324 | ||
325 | static int mn88473_sleep(struct dvb_frontend *fe) | |
326 | { | |
01b4be14 AP |
327 | struct i2c_client *client = fe->demodulator_priv; |
328 | struct mn88473_dev *dev = i2c_get_clientdata(client); | |
dadb5bb4 AP |
329 | int ret; |
330 | ||
01b4be14 | 331 | dev_dbg(&client->dev, "\n"); |
dadb5bb4 | 332 | |
97de6e89 | 333 | ret = regmap_write(dev->regmap[2], 0x05, 0x3e); |
dadb5bb4 AP |
334 | if (ret) |
335 | goto err; | |
336 | ||
337 | dev->delivery_system = SYS_UNDEFINED; | |
338 | ||
339 | return 0; | |
340 | err: | |
01b4be14 | 341 | dev_dbg(&client->dev, "failed=%d\n", ret); |
dadb5bb4 AP |
342 | return ret; |
343 | } | |
344 | ||
01b4be14 AP |
345 | static struct dvb_frontend_ops mn88473_ops = { |
346 | .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_AC}, | |
347 | .info = { | |
348 | .name = "Panasonic MN88473", | |
8459e41d AP |
349 | .symbol_rate_min = 1000000, |
350 | .symbol_rate_max = 7200000, | |
01b4be14 AP |
351 | .caps = FE_CAN_FEC_1_2 | |
352 | FE_CAN_FEC_2_3 | | |
353 | FE_CAN_FEC_3_4 | | |
354 | FE_CAN_FEC_5_6 | | |
355 | FE_CAN_FEC_7_8 | | |
356 | FE_CAN_FEC_AUTO | | |
357 | FE_CAN_QPSK | | |
358 | FE_CAN_QAM_16 | | |
359 | FE_CAN_QAM_32 | | |
360 | FE_CAN_QAM_64 | | |
361 | FE_CAN_QAM_128 | | |
362 | FE_CAN_QAM_256 | | |
363 | FE_CAN_QAM_AUTO | | |
364 | FE_CAN_TRANSMISSION_MODE_AUTO | | |
365 | FE_CAN_GUARD_INTERVAL_AUTO | | |
366 | FE_CAN_HIERARCHY_AUTO | | |
367 | FE_CAN_MUTE_TS | | |
368 | FE_CAN_2G_MODULATION | | |
369 | FE_CAN_MULTISTREAM | |
370 | }, | |
371 | ||
372 | .get_tune_settings = mn88473_get_tune_settings, | |
373 | ||
374 | .init = mn88473_init, | |
375 | .sleep = mn88473_sleep, | |
dadb5bb4 | 376 | |
01b4be14 AP |
377 | .set_frontend = mn88473_set_frontend, |
378 | ||
379 | .read_status = mn88473_read_status, | |
380 | }; | |
381 | ||
382 | static int mn88473_probe(struct i2c_client *client, | |
b4c2c314 | 383 | const struct i2c_device_id *id) |
dadb5bb4 | 384 | { |
01b4be14 | 385 | struct mn88473_config *config = client->dev.platform_data; |
dadb5bb4 | 386 | struct mn88473_dev *dev; |
01b4be14 | 387 | int ret; |
97de6e89 AP |
388 | unsigned int utmp; |
389 | static const struct regmap_config regmap_config = { | |
390 | .reg_bits = 8, | |
391 | .val_bits = 8, | |
392 | }; | |
dadb5bb4 | 393 | |
01b4be14 | 394 | dev_dbg(&client->dev, "\n"); |
dadb5bb4 | 395 | |
01b4be14 AP |
396 | /* Caller really need to provide pointer for frontend we create. */ |
397 | if (config->fe == NULL) { | |
398 | dev_err(&client->dev, "frontend pointer not defined\n"); | |
399 | ret = -EINVAL; | |
400 | goto err; | |
401 | } | |
402 | ||
403 | dev = kzalloc(sizeof(*dev), GFP_KERNEL); | |
404 | if (dev == NULL) { | |
dadb5bb4 | 405 | ret = -ENOMEM; |
dadb5bb4 AP |
406 | goto err; |
407 | } | |
408 | ||
01b4be14 | 409 | dev->i2c_wr_max = config->i2c_wr_max; |
3b786f13 BL |
410 | if (!config->xtal) |
411 | dev->xtal = 25000000; | |
412 | else | |
413 | dev->xtal = config->xtal; | |
97de6e89 AP |
414 | dev->client[0] = client; |
415 | dev->regmap[0] = regmap_init_i2c(dev->client[0], ®map_config); | |
416 | if (IS_ERR(dev->regmap[0])) { | |
417 | ret = PTR_ERR(dev->regmap[0]); | |
418 | goto err_kfree; | |
419 | } | |
dadb5bb4 | 420 | |
01b4be14 | 421 | /* check demod answers to I2C */ |
97de6e89 | 422 | ret = regmap_read(dev->regmap[0], 0x00, &utmp); |
dadb5bb4 | 423 | if (ret) |
97de6e89 | 424 | goto err_regmap_0_regmap_exit; |
01b4be14 AP |
425 | |
426 | /* | |
427 | * Chip has three I2C addresses for different register pages. Used | |
428 | * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients, | |
429 | * 0x1a and 0x1c, in order to get own I2C client for each register page. | |
430 | */ | |
431 | dev->client[1] = i2c_new_dummy(client->adapter, 0x1a); | |
432 | if (dev->client[1] == NULL) { | |
433 | ret = -ENODEV; | |
434 | dev_err(&client->dev, "I2C registration failed\n"); | |
435 | if (ret) | |
97de6e89 AP |
436 | goto err_regmap_0_regmap_exit; |
437 | } | |
438 | dev->regmap[1] = regmap_init_i2c(dev->client[1], ®map_config); | |
439 | if (IS_ERR(dev->regmap[1])) { | |
440 | ret = PTR_ERR(dev->regmap[1]); | |
441 | goto err_client_1_i2c_unregister_device; | |
01b4be14 AP |
442 | } |
443 | i2c_set_clientdata(dev->client[1], dev); | |
444 | ||
445 | dev->client[2] = i2c_new_dummy(client->adapter, 0x1c); | |
446 | if (dev->client[2] == NULL) { | |
447 | ret = -ENODEV; | |
448 | dev_err(&client->dev, "2nd I2C registration failed\n"); | |
449 | if (ret) | |
97de6e89 AP |
450 | goto err_regmap_1_regmap_exit; |
451 | } | |
452 | dev->regmap[2] = regmap_init_i2c(dev->client[2], ®map_config); | |
453 | if (IS_ERR(dev->regmap[2])) { | |
454 | ret = PTR_ERR(dev->regmap[2]); | |
455 | goto err_client_2_i2c_unregister_device; | |
01b4be14 AP |
456 | } |
457 | i2c_set_clientdata(dev->client[2], dev); | |
dadb5bb4 AP |
458 | |
459 | /* create dvb_frontend */ | |
460 | memcpy(&dev->fe.ops, &mn88473_ops, sizeof(struct dvb_frontend_ops)); | |
01b4be14 AP |
461 | dev->fe.demodulator_priv = client; |
462 | *config->fe = &dev->fe; | |
463 | i2c_set_clientdata(client, dev); | |
dadb5bb4 | 464 | |
01b4be14 AP |
465 | dev_info(&dev->client[0]->dev, "Panasonic MN88473 successfully attached\n"); |
466 | return 0; | |
467 | ||
97de6e89 AP |
468 | err_client_2_i2c_unregister_device: |
469 | i2c_unregister_device(dev->client[2]); | |
470 | err_regmap_1_regmap_exit: | |
471 | regmap_exit(dev->regmap[1]); | |
01b4be14 AP |
472 | err_client_1_i2c_unregister_device: |
473 | i2c_unregister_device(dev->client[1]); | |
97de6e89 AP |
474 | err_regmap_0_regmap_exit: |
475 | regmap_exit(dev->regmap[0]); | |
01b4be14 | 476 | err_kfree: |
dadb5bb4 | 477 | kfree(dev); |
01b4be14 AP |
478 | err: |
479 | dev_dbg(&client->dev, "failed=%d\n", ret); | |
480 | return ret; | |
dadb5bb4 | 481 | } |
dadb5bb4 | 482 | |
01b4be14 AP |
483 | static int mn88473_remove(struct i2c_client *client) |
484 | { | |
485 | struct mn88473_dev *dev = i2c_get_clientdata(client); | |
dadb5bb4 | 486 | |
01b4be14 | 487 | dev_dbg(&client->dev, "\n"); |
dadb5bb4 | 488 | |
97de6e89 | 489 | regmap_exit(dev->regmap[2]); |
01b4be14 | 490 | i2c_unregister_device(dev->client[2]); |
97de6e89 AP |
491 | |
492 | regmap_exit(dev->regmap[1]); | |
01b4be14 | 493 | i2c_unregister_device(dev->client[1]); |
dadb5bb4 | 494 | |
97de6e89 AP |
495 | regmap_exit(dev->regmap[0]); |
496 | ||
01b4be14 | 497 | kfree(dev); |
dadb5bb4 | 498 | |
01b4be14 AP |
499 | return 0; |
500 | } | |
dadb5bb4 | 501 | |
01b4be14 AP |
502 | static const struct i2c_device_id mn88473_id_table[] = { |
503 | {"mn88473", 0}, | |
504 | {} | |
505 | }; | |
506 | MODULE_DEVICE_TABLE(i2c, mn88473_id_table); | |
507 | ||
508 | static struct i2c_driver mn88473_driver = { | |
509 | .driver = { | |
01b4be14 AP |
510 | .name = "mn88473", |
511 | }, | |
512 | .probe = mn88473_probe, | |
513 | .remove = mn88473_remove, | |
514 | .id_table = mn88473_id_table, | |
dadb5bb4 AP |
515 | }; |
516 | ||
01b4be14 AP |
517 | module_i2c_driver(mn88473_driver); |
518 | ||
dadb5bb4 AP |
519 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); |
520 | MODULE_DESCRIPTION("Panasonic MN88473 DVB-T/T2/C demodulator driver"); | |
521 | MODULE_LICENSE("GPL"); | |
522 | MODULE_FIRMWARE(MN88473_FIRMWARE); |