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1 | /* |
2 | * drivers/mfd/si476x-cmd.c -- Subroutines implementing command | |
3 | * protocol of si476x series of chips | |
4 | * | |
5 | * Copyright (C) 2012 Innovative Converged Devices(ICD) | |
6 | * Copyright (C) 2013 Andrey Smirnov | |
7 | * | |
8 | * Author: Andrey Smirnov <andrew.smirnov@gmail.com> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; version 2 of the License. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | */ | |
20 | ||
21 | #include <linux/module.h> | |
22 | #include <linux/completion.h> | |
23 | #include <linux/delay.h> | |
24 | #include <linux/atomic.h> | |
25 | #include <linux/i2c.h> | |
26 | #include <linux/device.h> | |
27 | #include <linux/gpio.h> | |
28 | #include <linux/videodev2.h> | |
29 | ||
30 | #include <linux/mfd/si476x-core.h> | |
31 | ||
32 | #define msb(x) ((u8)((u16) x >> 8)) | |
33 | #define lsb(x) ((u8)((u16) x & 0x00FF)) | |
34 | ||
35 | ||
36 | ||
37 | #define CMD_POWER_UP 0x01 | |
38 | #define CMD_POWER_UP_A10_NRESP 1 | |
39 | #define CMD_POWER_UP_A10_NARGS 5 | |
40 | ||
41 | #define CMD_POWER_UP_A20_NRESP 1 | |
42 | #define CMD_POWER_UP_A20_NARGS 5 | |
43 | ||
44 | #define POWER_UP_DELAY_MS 110 | |
45 | ||
46 | #define CMD_POWER_DOWN 0x11 | |
47 | #define CMD_POWER_DOWN_A10_NRESP 1 | |
48 | ||
49 | #define CMD_POWER_DOWN_A20_NRESP 1 | |
50 | #define CMD_POWER_DOWN_A20_NARGS 1 | |
51 | ||
52 | #define CMD_FUNC_INFO 0x12 | |
53 | #define CMD_FUNC_INFO_NRESP 7 | |
54 | ||
55 | #define CMD_SET_PROPERTY 0x13 | |
56 | #define CMD_SET_PROPERTY_NARGS 5 | |
57 | #define CMD_SET_PROPERTY_NRESP 1 | |
58 | ||
59 | #define CMD_GET_PROPERTY 0x14 | |
60 | #define CMD_GET_PROPERTY_NARGS 3 | |
61 | #define CMD_GET_PROPERTY_NRESP 4 | |
62 | ||
63 | #define CMD_AGC_STATUS 0x17 | |
64 | #define CMD_AGC_STATUS_NRESP_A10 2 | |
65 | #define CMD_AGC_STATUS_NRESP_A20 6 | |
66 | ||
67 | #define PIN_CFG_BYTE(x) (0x7F & (x)) | |
68 | #define CMD_DIG_AUDIO_PIN_CFG 0x18 | |
69 | #define CMD_DIG_AUDIO_PIN_CFG_NARGS 4 | |
70 | #define CMD_DIG_AUDIO_PIN_CFG_NRESP 5 | |
71 | ||
72 | #define CMD_ZIF_PIN_CFG 0x19 | |
73 | #define CMD_ZIF_PIN_CFG_NARGS 4 | |
74 | #define CMD_ZIF_PIN_CFG_NRESP 5 | |
75 | ||
76 | #define CMD_IC_LINK_GPO_CTL_PIN_CFG 0x1A | |
77 | #define CMD_IC_LINK_GPO_CTL_PIN_CFG_NARGS 4 | |
78 | #define CMD_IC_LINK_GPO_CTL_PIN_CFG_NRESP 5 | |
79 | ||
80 | #define CMD_ANA_AUDIO_PIN_CFG 0x1B | |
81 | #define CMD_ANA_AUDIO_PIN_CFG_NARGS 1 | |
82 | #define CMD_ANA_AUDIO_PIN_CFG_NRESP 2 | |
83 | ||
84 | #define CMD_INTB_PIN_CFG 0x1C | |
85 | #define CMD_INTB_PIN_CFG_NARGS 2 | |
86 | #define CMD_INTB_PIN_CFG_A10_NRESP 6 | |
87 | #define CMD_INTB_PIN_CFG_A20_NRESP 3 | |
88 | ||
89 | #define CMD_FM_TUNE_FREQ 0x30 | |
90 | #define CMD_FM_TUNE_FREQ_A10_NARGS 5 | |
91 | #define CMD_FM_TUNE_FREQ_A20_NARGS 3 | |
92 | #define CMD_FM_TUNE_FREQ_NRESP 1 | |
93 | ||
94 | #define CMD_FM_RSQ_STATUS 0x32 | |
95 | ||
96 | #define CMD_FM_RSQ_STATUS_A10_NARGS 1 | |
97 | #define CMD_FM_RSQ_STATUS_A10_NRESP 17 | |
98 | #define CMD_FM_RSQ_STATUS_A30_NARGS 1 | |
99 | #define CMD_FM_RSQ_STATUS_A30_NRESP 23 | |
100 | ||
101 | ||
102 | #define CMD_FM_SEEK_START 0x31 | |
103 | #define CMD_FM_SEEK_START_NARGS 1 | |
104 | #define CMD_FM_SEEK_START_NRESP 1 | |
105 | ||
106 | #define CMD_FM_RDS_STATUS 0x36 | |
107 | #define CMD_FM_RDS_STATUS_NARGS 1 | |
108 | #define CMD_FM_RDS_STATUS_NRESP 16 | |
109 | ||
110 | #define CMD_FM_RDS_BLOCKCOUNT 0x37 | |
111 | #define CMD_FM_RDS_BLOCKCOUNT_NARGS 1 | |
112 | #define CMD_FM_RDS_BLOCKCOUNT_NRESP 8 | |
113 | ||
114 | #define CMD_FM_PHASE_DIVERSITY 0x38 | |
115 | #define CMD_FM_PHASE_DIVERSITY_NARGS 1 | |
116 | #define CMD_FM_PHASE_DIVERSITY_NRESP 1 | |
117 | ||
118 | #define CMD_FM_PHASE_DIV_STATUS 0x39 | |
119 | #define CMD_FM_PHASE_DIV_STATUS_NRESP 2 | |
120 | ||
121 | #define CMD_AM_TUNE_FREQ 0x40 | |
122 | #define CMD_AM_TUNE_FREQ_NARGS 3 | |
123 | #define CMD_AM_TUNE_FREQ_NRESP 1 | |
124 | ||
125 | #define CMD_AM_RSQ_STATUS 0x42 | |
126 | #define CMD_AM_RSQ_STATUS_NARGS 1 | |
127 | #define CMD_AM_RSQ_STATUS_NRESP 13 | |
128 | ||
129 | #define CMD_AM_SEEK_START 0x41 | |
130 | #define CMD_AM_SEEK_START_NARGS 1 | |
131 | #define CMD_AM_SEEK_START_NRESP 1 | |
132 | ||
133 | ||
134 | #define CMD_AM_ACF_STATUS 0x45 | |
135 | #define CMD_AM_ACF_STATUS_NRESP 6 | |
136 | #define CMD_AM_ACF_STATUS_NARGS 1 | |
137 | ||
138 | #define CMD_FM_ACF_STATUS 0x35 | |
139 | #define CMD_FM_ACF_STATUS_NRESP 8 | |
140 | #define CMD_FM_ACF_STATUS_NARGS 1 | |
141 | ||
142 | #define CMD_MAX_ARGS_COUNT (10) | |
143 | ||
144 | ||
145 | enum si476x_acf_status_report_bits { | |
146 | SI476X_ACF_BLEND_INT = (1 << 4), | |
147 | SI476X_ACF_HIBLEND_INT = (1 << 3), | |
148 | SI476X_ACF_HICUT_INT = (1 << 2), | |
149 | SI476X_ACF_CHBW_INT = (1 << 1), | |
150 | SI476X_ACF_SOFTMUTE_INT = (1 << 0), | |
151 | ||
152 | SI476X_ACF_SMUTE = (1 << 0), | |
153 | SI476X_ACF_SMATTN = 0b11111, | |
154 | SI476X_ACF_PILOT = (1 << 7), | |
155 | SI476X_ACF_STBLEND = ~SI476X_ACF_PILOT, | |
156 | }; | |
157 | ||
158 | enum si476x_agc_status_report_bits { | |
159 | SI476X_AGC_MXHI = (1 << 5), | |
160 | SI476X_AGC_MXLO = (1 << 4), | |
161 | SI476X_AGC_LNAHI = (1 << 3), | |
162 | SI476X_AGC_LNALO = (1 << 2), | |
163 | }; | |
164 | ||
165 | enum si476x_errors { | |
166 | SI476X_ERR_BAD_COMMAND = 0x10, | |
167 | SI476X_ERR_BAD_ARG1 = 0x11, | |
168 | SI476X_ERR_BAD_ARG2 = 0x12, | |
169 | SI476X_ERR_BAD_ARG3 = 0x13, | |
170 | SI476X_ERR_BAD_ARG4 = 0x14, | |
171 | SI476X_ERR_BUSY = 0x18, | |
172 | SI476X_ERR_BAD_INTERNAL_MEMORY = 0x20, | |
173 | SI476X_ERR_BAD_PATCH = 0x30, | |
174 | SI476X_ERR_BAD_BOOT_MODE = 0x31, | |
175 | SI476X_ERR_BAD_PROPERTY = 0x40, | |
176 | }; | |
177 | ||
178 | static int si476x_core_parse_and_nag_about_error(struct si476x_core *core) | |
179 | { | |
180 | int err; | |
181 | char *cause; | |
182 | u8 buffer[2]; | |
183 | ||
184 | if (core->revision != SI476X_REVISION_A10) { | |
185 | err = si476x_core_i2c_xfer(core, SI476X_I2C_RECV, | |
186 | buffer, sizeof(buffer)); | |
187 | if (err == sizeof(buffer)) { | |
188 | switch (buffer[1]) { | |
189 | case SI476X_ERR_BAD_COMMAND: | |
190 | cause = "Bad command"; | |
191 | err = -EINVAL; | |
192 | break; | |
193 | case SI476X_ERR_BAD_ARG1: | |
194 | cause = "Bad argument #1"; | |
195 | err = -EINVAL; | |
196 | break; | |
197 | case SI476X_ERR_BAD_ARG2: | |
198 | cause = "Bad argument #2"; | |
199 | err = -EINVAL; | |
200 | break; | |
201 | case SI476X_ERR_BAD_ARG3: | |
202 | cause = "Bad argument #3"; | |
203 | err = -EINVAL; | |
204 | break; | |
205 | case SI476X_ERR_BAD_ARG4: | |
206 | cause = "Bad argument #4"; | |
207 | err = -EINVAL; | |
208 | break; | |
209 | case SI476X_ERR_BUSY: | |
210 | cause = "Chip is busy"; | |
211 | err = -EBUSY; | |
212 | break; | |
213 | case SI476X_ERR_BAD_INTERNAL_MEMORY: | |
214 | cause = "Bad internal memory"; | |
215 | err = -EIO; | |
216 | break; | |
217 | case SI476X_ERR_BAD_PATCH: | |
218 | cause = "Bad patch"; | |
219 | err = -EINVAL; | |
220 | break; | |
221 | case SI476X_ERR_BAD_BOOT_MODE: | |
222 | cause = "Bad boot mode"; | |
223 | err = -EINVAL; | |
224 | break; | |
225 | case SI476X_ERR_BAD_PROPERTY: | |
226 | cause = "Bad property"; | |
227 | err = -EINVAL; | |
228 | break; | |
229 | default: | |
230 | cause = "Unknown"; | |
231 | err = -EIO; | |
232 | } | |
233 | ||
234 | dev_err(&core->client->dev, | |
235 | "[Chip error status]: %s\n", cause); | |
236 | } else { | |
237 | dev_err(&core->client->dev, | |
238 | "Failed to fetch error code\n"); | |
239 | err = (err >= 0) ? -EIO : err; | |
240 | } | |
241 | } else { | |
242 | err = -EIO; | |
243 | } | |
244 | ||
245 | return err; | |
246 | } | |
247 | ||
248 | /** | |
249 | * si476x_core_send_command() - sends a command to si476x and waits its | |
250 | * response | |
251 | * @core: si476x_device structure for the device we are | |
252 | * communicating with | |
253 | * @command: command id | |
254 | * @args: command arguments we are sending | |
255 | * @argn: actual size of @args | |
256 | * @response: buffer to place the expected response from the device | |
257 | * @respn: actual size of @response | |
258 | * @usecs: amount of time to wait before reading the response (in | |
259 | * usecs) | |
260 | * | |
261 | * Function returns 0 on succsess and negative error code on | |
262 | * failure | |
263 | */ | |
264 | static int si476x_core_send_command(struct si476x_core *core, | |
265 | const u8 command, | |
266 | const u8 args[], | |
267 | const int argn, | |
268 | u8 resp[], | |
269 | const int respn, | |
270 | const int usecs) | |
271 | { | |
272 | struct i2c_client *client = core->client; | |
273 | int err; | |
274 | u8 data[CMD_MAX_ARGS_COUNT + 1]; | |
275 | ||
276 | if (argn > CMD_MAX_ARGS_COUNT) { | |
277 | err = -ENOMEM; | |
278 | goto exit; | |
279 | } | |
280 | ||
281 | if (!client->adapter) { | |
282 | err = -ENODEV; | |
283 | goto exit; | |
284 | } | |
285 | ||
286 | /* First send the command and its arguments */ | |
287 | data[0] = command; | |
288 | memcpy(&data[1], args, argn); | |
289 | dev_dbg(&client->dev, "Command:\n %*ph\n", argn + 1, data); | |
290 | ||
291 | err = si476x_core_i2c_xfer(core, SI476X_I2C_SEND, | |
292 | (char *) data, argn + 1); | |
293 | if (err != argn + 1) { | |
294 | dev_err(&core->client->dev, | |
295 | "Error while sending command 0x%02x\n", | |
296 | command); | |
297 | err = (err >= 0) ? -EIO : err; | |
298 | goto exit; | |
299 | } | |
300 | /* Set CTS to zero only after the command is send to avoid | |
301 | * possible racing conditions when working in polling mode */ | |
302 | atomic_set(&core->cts, 0); | |
303 | ||
304 | /* if (unlikely(command == CMD_POWER_DOWN) */ | |
305 | if (!wait_event_timeout(core->command, | |
306 | atomic_read(&core->cts), | |
307 | usecs_to_jiffies(usecs) + 1)) | |
308 | dev_warn(&core->client->dev, | |
309 | "(%s) [CMD 0x%02x] Answer timeout.\n", | |
310 | __func__, command); | |
311 | ||
312 | /* | |
313 | When working in polling mode, for some reason the tuner will | |
314 | report CTS bit as being set in the first status byte read, | |
315 | but all the consequtive ones will return zeros until the | |
316 | tuner is actually completed the POWER_UP command. To | |
317 | workaround that we wait for second CTS to be reported | |
318 | */ | |
319 | if (unlikely(!core->client->irq && command == CMD_POWER_UP)) { | |
320 | if (!wait_event_timeout(core->command, | |
321 | atomic_read(&core->cts), | |
322 | usecs_to_jiffies(usecs) + 1)) | |
323 | dev_warn(&core->client->dev, | |
324 | "(%s) Power up took too much time.\n", | |
325 | __func__); | |
326 | } | |
327 | ||
328 | /* Then get the response */ | |
329 | err = si476x_core_i2c_xfer(core, SI476X_I2C_RECV, resp, respn); | |
330 | if (err != respn) { | |
331 | dev_err(&core->client->dev, | |
332 | "Error while reading response for command 0x%02x\n", | |
333 | command); | |
334 | err = (err >= 0) ? -EIO : err; | |
335 | goto exit; | |
336 | } | |
337 | dev_dbg(&client->dev, "Response:\n %*ph\n", respn, resp); | |
338 | ||
339 | err = 0; | |
340 | ||
341 | if (resp[0] & SI476X_ERR) { | |
342 | dev_err(&core->client->dev, | |
343 | "[CMD 0x%02x] Chip set error flag\n", command); | |
344 | err = si476x_core_parse_and_nag_about_error(core); | |
345 | goto exit; | |
346 | } | |
347 | ||
348 | if (!(resp[0] & SI476X_CTS)) | |
349 | err = -EBUSY; | |
350 | exit: | |
351 | return err; | |
352 | } | |
353 | ||
354 | static int si476x_cmd_clear_stc(struct si476x_core *core) | |
355 | { | |
356 | int err; | |
357 | struct si476x_rsq_status_args args = { | |
358 | .primary = false, | |
359 | .rsqack = false, | |
360 | .attune = false, | |
361 | .cancel = false, | |
362 | .stcack = true, | |
363 | }; | |
364 | ||
365 | switch (core->power_up_parameters.func) { | |
366 | case SI476X_FUNC_FM_RECEIVER: | |
367 | err = si476x_core_cmd_fm_rsq_status(core, &args, NULL); | |
368 | break; | |
369 | case SI476X_FUNC_AM_RECEIVER: | |
370 | err = si476x_core_cmd_am_rsq_status(core, &args, NULL); | |
371 | break; | |
372 | default: | |
373 | err = -EINVAL; | |
374 | } | |
375 | ||
376 | return err; | |
377 | } | |
378 | ||
379 | static int si476x_cmd_tune_seek_freq(struct si476x_core *core, | |
380 | uint8_t cmd, | |
381 | const uint8_t args[], size_t argn, | |
382 | uint8_t *resp, size_t respn) | |
383 | { | |
384 | int err; | |
385 | ||
386 | ||
387 | atomic_set(&core->stc, 0); | |
388 | err = si476x_core_send_command(core, cmd, args, argn, resp, respn, | |
389 | SI476X_TIMEOUT_TUNE); | |
390 | if (!err) { | |
391 | wait_event_killable(core->tuning, | |
392 | atomic_read(&core->stc)); | |
393 | si476x_cmd_clear_stc(core); | |
394 | } | |
395 | ||
396 | return err; | |
397 | } | |
398 | ||
399 | /** | |
400 | * si476x_cmd_func_info() - send 'FUNC_INFO' command to the device | |
401 | * @core: device to send the command to | |
402 | * @info: struct si476x_func_info to fill all the information | |
403 | * returned by the command | |
404 | * | |
405 | * The command requests the firmware and patch version for currently | |
406 | * loaded firmware (dependent on the function of the device FM/AM/WB) | |
407 | * | |
408 | * Function returns 0 on succsess and negative error code on | |
409 | * failure | |
410 | */ | |
411 | int si476x_core_cmd_func_info(struct si476x_core *core, | |
412 | struct si476x_func_info *info) | |
413 | { | |
414 | int err; | |
415 | u8 resp[CMD_FUNC_INFO_NRESP]; | |
416 | ||
417 | err = si476x_core_send_command(core, CMD_FUNC_INFO, | |
418 | NULL, 0, | |
419 | resp, ARRAY_SIZE(resp), | |
420 | SI476X_DEFAULT_TIMEOUT); | |
421 | ||
422 | info->firmware.major = resp[1]; | |
423 | info->firmware.minor[0] = resp[2]; | |
424 | info->firmware.minor[1] = resp[3]; | |
425 | ||
426 | info->patch_id = ((u16) resp[4] << 8) | resp[5]; | |
427 | info->func = resp[6]; | |
428 | ||
429 | return err; | |
430 | } | |
431 | EXPORT_SYMBOL_GPL(si476x_core_cmd_func_info); | |
432 | ||
433 | /** | |
434 | * si476x_cmd_set_property() - send 'SET_PROPERTY' command to the device | |
435 | * @core: device to send the command to | |
436 | * @property: property address | |
437 | * @value: property value | |
438 | * | |
439 | * Function returns 0 on succsess and negative error code on | |
440 | * failure | |
441 | */ | |
442 | int si476x_core_cmd_set_property(struct si476x_core *core, | |
443 | u16 property, u16 value) | |
444 | { | |
445 | u8 resp[CMD_SET_PROPERTY_NRESP]; | |
446 | const u8 args[CMD_SET_PROPERTY_NARGS] = { | |
447 | 0x00, | |
448 | msb(property), | |
449 | lsb(property), | |
450 | msb(value), | |
451 | lsb(value), | |
452 | }; | |
453 | ||
454 | return si476x_core_send_command(core, CMD_SET_PROPERTY, | |
455 | args, ARRAY_SIZE(args), | |
456 | resp, ARRAY_SIZE(resp), | |
457 | SI476X_DEFAULT_TIMEOUT); | |
458 | } | |
459 | EXPORT_SYMBOL_GPL(si476x_core_cmd_set_property); | |
460 | ||
461 | /** | |
462 | * si476x_cmd_get_property() - send 'GET_PROPERTY' command to the device | |
463 | * @core: device to send the command to | |
464 | * @property: property address | |
465 | * | |
466 | * Function return the value of property as u16 on success or a | |
467 | * negative error on failure | |
468 | */ | |
469 | int si476x_core_cmd_get_property(struct si476x_core *core, u16 property) | |
470 | { | |
471 | int err; | |
472 | u8 resp[CMD_GET_PROPERTY_NRESP]; | |
473 | const u8 args[CMD_GET_PROPERTY_NARGS] = { | |
474 | 0x00, | |
475 | msb(property), | |
476 | lsb(property), | |
477 | }; | |
478 | ||
479 | err = si476x_core_send_command(core, CMD_GET_PROPERTY, | |
480 | args, ARRAY_SIZE(args), | |
481 | resp, ARRAY_SIZE(resp), | |
482 | SI476X_DEFAULT_TIMEOUT); | |
483 | if (err < 0) | |
484 | return err; | |
485 | else | |
486 | return be16_to_cpup((__be16 *)(resp + 2)); | |
487 | } | |
488 | EXPORT_SYMBOL_GPL(si476x_core_cmd_get_property); | |
489 | ||
490 | /** | |
491 | * si476x_cmd_dig_audio_pin_cfg() - send 'DIG_AUDIO_PIN_CFG' command to | |
492 | * the device | |
493 | * @core: device to send the command to | |
494 | * @dclk: DCLK pin function configuration: | |
495 | * #SI476X_DCLK_NOOP - do not modify the behaviour | |
496 | * #SI476X_DCLK_TRISTATE - put the pin in tristate condition, | |
497 | * enable 1MOhm pulldown | |
498 | * #SI476X_DCLK_DAUDIO - set the pin to be a part of digital | |
499 | * audio interface | |
500 | * @dfs: DFS pin function configuration: | |
501 | * #SI476X_DFS_NOOP - do not modify the behaviour | |
502 | * #SI476X_DFS_TRISTATE - put the pin in tristate condition, | |
503 | * enable 1MOhm pulldown | |
504 | * SI476X_DFS_DAUDIO - set the pin to be a part of digital | |
505 | * audio interface | |
506 | * @dout - DOUT pin function configuration: | |
507 | * SI476X_DOUT_NOOP - do not modify the behaviour | |
508 | * SI476X_DOUT_TRISTATE - put the pin in tristate condition, | |
509 | * enable 1MOhm pulldown | |
510 | * SI476X_DOUT_I2S_OUTPUT - set this pin to be digital out on I2S | |
511 | * port 1 | |
512 | * SI476X_DOUT_I2S_INPUT - set this pin to be digital in on I2S | |
513 | * port 1 | |
514 | * @xout - XOUT pin function configuration: | |
515 | * SI476X_XOUT_NOOP - do not modify the behaviour | |
516 | * SI476X_XOUT_TRISTATE - put the pin in tristate condition, | |
517 | * enable 1MOhm pulldown | |
518 | * SI476X_XOUT_I2S_INPUT - set this pin to be digital in on I2S | |
519 | * port 1 | |
520 | * SI476X_XOUT_MODE_SELECT - set this pin to be the input that | |
521 | * selects the mode of the I2S audio | |
522 | * combiner (analog or HD) | |
523 | * [SI4761/63/65/67 Only] | |
524 | * | |
525 | * Function returns 0 on success and negative error code on failure | |
526 | */ | |
527 | int si476x_core_cmd_dig_audio_pin_cfg(struct si476x_core *core, | |
528 | enum si476x_dclk_config dclk, | |
529 | enum si476x_dfs_config dfs, | |
530 | enum si476x_dout_config dout, | |
531 | enum si476x_xout_config xout) | |
532 | { | |
533 | u8 resp[CMD_DIG_AUDIO_PIN_CFG_NRESP]; | |
534 | const u8 args[CMD_DIG_AUDIO_PIN_CFG_NARGS] = { | |
535 | PIN_CFG_BYTE(dclk), | |
536 | PIN_CFG_BYTE(dfs), | |
537 | PIN_CFG_BYTE(dout), | |
538 | PIN_CFG_BYTE(xout), | |
539 | }; | |
540 | ||
541 | return si476x_core_send_command(core, CMD_DIG_AUDIO_PIN_CFG, | |
542 | args, ARRAY_SIZE(args), | |
543 | resp, ARRAY_SIZE(resp), | |
544 | SI476X_DEFAULT_TIMEOUT); | |
545 | } | |
546 | EXPORT_SYMBOL_GPL(si476x_core_cmd_dig_audio_pin_cfg); | |
547 | ||
548 | /** | |
549 | * si476x_cmd_zif_pin_cfg - send 'ZIF_PIN_CFG_COMMAND' | |
550 | * @core - device to send the command to | |
551 | * @iqclk - IQCL pin function configuration: | |
552 | * SI476X_IQCLK_NOOP - do not modify the behaviour | |
553 | * SI476X_IQCLK_TRISTATE - put the pin in tristate condition, | |
554 | * enable 1MOhm pulldown | |
555 | * SI476X_IQCLK_IQ - set pin to be a part of I/Q interace | |
556 | * in master mode | |
557 | * @iqfs - IQFS pin function configuration: | |
558 | * SI476X_IQFS_NOOP - do not modify the behaviour | |
559 | * SI476X_IQFS_TRISTATE - put the pin in tristate condition, | |
560 | * enable 1MOhm pulldown | |
561 | * SI476X_IQFS_IQ - set pin to be a part of I/Q interace | |
562 | * in master mode | |
563 | * @iout - IOUT pin function configuration: | |
564 | * SI476X_IOUT_NOOP - do not modify the behaviour | |
565 | * SI476X_IOUT_TRISTATE - put the pin in tristate condition, | |
566 | * enable 1MOhm pulldown | |
567 | * SI476X_IOUT_OUTPUT - set pin to be I out | |
568 | * @qout - QOUT pin function configuration: | |
569 | * SI476X_QOUT_NOOP - do not modify the behaviour | |
570 | * SI476X_QOUT_TRISTATE - put the pin in tristate condition, | |
571 | * enable 1MOhm pulldown | |
572 | * SI476X_QOUT_OUTPUT - set pin to be Q out | |
573 | * | |
574 | * Function returns 0 on success and negative error code on failure | |
575 | */ | |
576 | int si476x_core_cmd_zif_pin_cfg(struct si476x_core *core, | |
577 | enum si476x_iqclk_config iqclk, | |
578 | enum si476x_iqfs_config iqfs, | |
579 | enum si476x_iout_config iout, | |
580 | enum si476x_qout_config qout) | |
581 | { | |
582 | u8 resp[CMD_ZIF_PIN_CFG_NRESP]; | |
583 | const u8 args[CMD_ZIF_PIN_CFG_NARGS] = { | |
584 | PIN_CFG_BYTE(iqclk), | |
585 | PIN_CFG_BYTE(iqfs), | |
586 | PIN_CFG_BYTE(iout), | |
587 | PIN_CFG_BYTE(qout), | |
588 | }; | |
589 | ||
590 | return si476x_core_send_command(core, CMD_ZIF_PIN_CFG, | |
591 | args, ARRAY_SIZE(args), | |
592 | resp, ARRAY_SIZE(resp), | |
593 | SI476X_DEFAULT_TIMEOUT); | |
594 | } | |
595 | EXPORT_SYMBOL_GPL(si476x_core_cmd_zif_pin_cfg); | |
596 | ||
597 | /** | |
598 | * si476x_cmd_ic_link_gpo_ctl_pin_cfg - send | |
599 | * 'IC_LINK_GPIO_CTL_PIN_CFG' comand to the device | |
600 | * @core - device to send the command to | |
601 | * @icin - ICIN pin function configuration: | |
602 | * SI476X_ICIN_NOOP - do not modify the behaviour | |
603 | * SI476X_ICIN_TRISTATE - put the pin in tristate condition, | |
604 | * enable 1MOhm pulldown | |
605 | * SI476X_ICIN_GPO1_HIGH - set pin to be an output, drive it high | |
606 | * SI476X_ICIN_GPO1_LOW - set pin to be an output, drive it low | |
607 | * SI476X_ICIN_IC_LINK - set the pin to be a part of Inter-Chip link | |
608 | * @icip - ICIP pin function configuration: | |
609 | * SI476X_ICIP_NOOP - do not modify the behaviour | |
610 | * SI476X_ICIP_TRISTATE - put the pin in tristate condition, | |
611 | * enable 1MOhm pulldown | |
612 | * SI476X_ICIP_GPO1_HIGH - set pin to be an output, drive it high | |
613 | * SI476X_ICIP_GPO1_LOW - set pin to be an output, drive it low | |
614 | * SI476X_ICIP_IC_LINK - set the pin to be a part of Inter-Chip link | |
615 | * @icon - ICON pin function configuration: | |
616 | * SI476X_ICON_NOOP - do not modify the behaviour | |
617 | * SI476X_ICON_TRISTATE - put the pin in tristate condition, | |
618 | * enable 1MOhm pulldown | |
619 | * SI476X_ICON_I2S - set the pin to be a part of audio | |
620 | * interface in slave mode (DCLK) | |
621 | * SI476X_ICON_IC_LINK - set the pin to be a part of Inter-Chip link | |
622 | * @icop - ICOP pin function configuration: | |
623 | * SI476X_ICOP_NOOP - do not modify the behaviour | |
624 | * SI476X_ICOP_TRISTATE - put the pin in tristate condition, | |
625 | * enable 1MOhm pulldown | |
626 | * SI476X_ICOP_I2S - set the pin to be a part of audio | |
627 | * interface in slave mode (DOUT) | |
628 | * [Si4761/63/65/67 Only] | |
629 | * SI476X_ICOP_IC_LINK - set the pin to be a part of Inter-Chip link | |
630 | * | |
631 | * Function returns 0 on success and negative error code on failure | |
632 | */ | |
633 | int si476x_core_cmd_ic_link_gpo_ctl_pin_cfg(struct si476x_core *core, | |
634 | enum si476x_icin_config icin, | |
635 | enum si476x_icip_config icip, | |
636 | enum si476x_icon_config icon, | |
637 | enum si476x_icop_config icop) | |
638 | { | |
639 | u8 resp[CMD_IC_LINK_GPO_CTL_PIN_CFG_NRESP]; | |
640 | const u8 args[CMD_IC_LINK_GPO_CTL_PIN_CFG_NARGS] = { | |
641 | PIN_CFG_BYTE(icin), | |
642 | PIN_CFG_BYTE(icip), | |
643 | PIN_CFG_BYTE(icon), | |
644 | PIN_CFG_BYTE(icop), | |
645 | }; | |
646 | ||
647 | return si476x_core_send_command(core, CMD_IC_LINK_GPO_CTL_PIN_CFG, | |
648 | args, ARRAY_SIZE(args), | |
649 | resp, ARRAY_SIZE(resp), | |
650 | SI476X_DEFAULT_TIMEOUT); | |
651 | } | |
652 | EXPORT_SYMBOL_GPL(si476x_core_cmd_ic_link_gpo_ctl_pin_cfg); | |
653 | ||
654 | /** | |
655 | * si476x_cmd_ana_audio_pin_cfg - send 'ANA_AUDIO_PIN_CFG' to the | |
656 | * device | |
657 | * @core - device to send the command to | |
658 | * @lrout - LROUT pin function configuration: | |
659 | * SI476X_LROUT_NOOP - do not modify the behaviour | |
660 | * SI476X_LROUT_TRISTATE - put the pin in tristate condition, | |
661 | * enable 1MOhm pulldown | |
662 | * SI476X_LROUT_AUDIO - set pin to be audio output | |
663 | * SI476X_LROUT_MPX - set pin to be MPX output | |
664 | * | |
665 | * Function returns 0 on success and negative error code on failure | |
666 | */ | |
667 | int si476x_core_cmd_ana_audio_pin_cfg(struct si476x_core *core, | |
668 | enum si476x_lrout_config lrout) | |
669 | { | |
670 | u8 resp[CMD_ANA_AUDIO_PIN_CFG_NRESP]; | |
671 | const u8 args[CMD_ANA_AUDIO_PIN_CFG_NARGS] = { | |
672 | PIN_CFG_BYTE(lrout), | |
673 | }; | |
674 | ||
675 | return si476x_core_send_command(core, CMD_ANA_AUDIO_PIN_CFG, | |
676 | args, ARRAY_SIZE(args), | |
677 | resp, ARRAY_SIZE(resp), | |
678 | SI476X_DEFAULT_TIMEOUT); | |
679 | } | |
680 | EXPORT_SYMBOL_GPL(si476x_core_cmd_ana_audio_pin_cfg); | |
681 | ||
682 | ||
683 | /** | |
684 | * si476x_cmd_intb_pin_cfg - send 'INTB_PIN_CFG' command to the device | |
685 | * @core - device to send the command to | |
686 | * @intb - INTB pin function configuration: | |
687 | * SI476X_INTB_NOOP - do not modify the behaviour | |
688 | * SI476X_INTB_TRISTATE - put the pin in tristate condition, | |
689 | * enable 1MOhm pulldown | |
690 | * SI476X_INTB_DAUDIO - set pin to be a part of digital | |
691 | * audio interface in slave mode | |
692 | * SI476X_INTB_IRQ - set pin to be an interrupt request line | |
693 | * @a1 - A1 pin function configuration: | |
694 | * SI476X_A1_NOOP - do not modify the behaviour | |
695 | * SI476X_A1_TRISTATE - put the pin in tristate condition, | |
696 | * enable 1MOhm pulldown | |
697 | * SI476X_A1_IRQ - set pin to be an interrupt request line | |
698 | * | |
699 | * Function returns 0 on success and negative error code on failure | |
700 | */ | |
701 | static int si476x_core_cmd_intb_pin_cfg_a10(struct si476x_core *core, | |
702 | enum si476x_intb_config intb, | |
703 | enum si476x_a1_config a1) | |
704 | { | |
705 | u8 resp[CMD_INTB_PIN_CFG_A10_NRESP]; | |
706 | const u8 args[CMD_INTB_PIN_CFG_NARGS] = { | |
707 | PIN_CFG_BYTE(intb), | |
708 | PIN_CFG_BYTE(a1), | |
709 | }; | |
710 | ||
711 | return si476x_core_send_command(core, CMD_INTB_PIN_CFG, | |
712 | args, ARRAY_SIZE(args), | |
713 | resp, ARRAY_SIZE(resp), | |
714 | SI476X_DEFAULT_TIMEOUT); | |
715 | } | |
716 | ||
717 | static int si476x_core_cmd_intb_pin_cfg_a20(struct si476x_core *core, | |
718 | enum si476x_intb_config intb, | |
719 | enum si476x_a1_config a1) | |
720 | { | |
721 | u8 resp[CMD_INTB_PIN_CFG_A20_NRESP]; | |
722 | const u8 args[CMD_INTB_PIN_CFG_NARGS] = { | |
723 | PIN_CFG_BYTE(intb), | |
724 | PIN_CFG_BYTE(a1), | |
725 | }; | |
726 | ||
727 | return si476x_core_send_command(core, CMD_INTB_PIN_CFG, | |
728 | args, ARRAY_SIZE(args), | |
729 | resp, ARRAY_SIZE(resp), | |
730 | SI476X_DEFAULT_TIMEOUT); | |
731 | } | |
732 | ||
733 | ||
734 | ||
735 | /** | |
736 | * si476x_cmd_am_rsq_status - send 'AM_RSQ_STATUS' command to the | |
737 | * device | |
738 | * @core - device to send the command to | |
739 | * @rsqack - if set command clears RSQINT, SNRINT, SNRLINT, RSSIHINT, | |
740 | * RSSSILINT, BLENDINT, MULTHINT and MULTLINT | |
741 | * @attune - when set the values in the status report are the values | |
742 | * that were calculated at tune | |
743 | * @cancel - abort ongoing seek/tune opertation | |
744 | * @stcack - clear the STCINT bin in status register | |
745 | * @report - all signal quality information retured by the command | |
746 | * (if NULL then the output of the command is ignored) | |
747 | * | |
748 | * Function returns 0 on success and negative error code on failure | |
749 | */ | |
750 | int si476x_core_cmd_am_rsq_status(struct si476x_core *core, | |
751 | struct si476x_rsq_status_args *rsqargs, | |
752 | struct si476x_rsq_status_report *report) | |
753 | { | |
754 | int err; | |
755 | u8 resp[CMD_AM_RSQ_STATUS_NRESP]; | |
756 | const u8 args[CMD_AM_RSQ_STATUS_NARGS] = { | |
757 | rsqargs->rsqack << 3 | rsqargs->attune << 2 | | |
758 | rsqargs->cancel << 1 | rsqargs->stcack, | |
759 | }; | |
760 | ||
761 | err = si476x_core_send_command(core, CMD_AM_RSQ_STATUS, | |
762 | args, ARRAY_SIZE(args), | |
763 | resp, ARRAY_SIZE(resp), | |
764 | SI476X_DEFAULT_TIMEOUT); | |
765 | /* | |
766 | * Besides getting received signal quality information this | |
767 | * command can be used to just acknowledge different interrupt | |
768 | * flags in those cases it is useless to copy and parse | |
769 | * received data so user can pass NULL, and thus avoid | |
770 | * unnecessary copying. | |
771 | */ | |
772 | if (!report) | |
773 | return err; | |
774 | ||
775 | report->snrhint = 0b00001000 & resp[1]; | |
776 | report->snrlint = 0b00000100 & resp[1]; | |
777 | report->rssihint = 0b00000010 & resp[1]; | |
778 | report->rssilint = 0b00000001 & resp[1]; | |
779 | ||
780 | report->bltf = 0b10000000 & resp[2]; | |
781 | report->snr_ready = 0b00100000 & resp[2]; | |
782 | report->rssiready = 0b00001000 & resp[2]; | |
783 | report->afcrl = 0b00000010 & resp[2]; | |
784 | report->valid = 0b00000001 & resp[2]; | |
785 | ||
786 | report->readfreq = be16_to_cpup((__be16 *)(resp + 3)); | |
787 | report->freqoff = resp[5]; | |
788 | report->rssi = resp[6]; | |
789 | report->snr = resp[7]; | |
790 | report->lassi = resp[9]; | |
791 | report->hassi = resp[10]; | |
792 | report->mult = resp[11]; | |
793 | report->dev = resp[12]; | |
794 | ||
795 | return err; | |
796 | } | |
797 | EXPORT_SYMBOL_GPL(si476x_core_cmd_am_rsq_status); | |
798 | ||
799 | int si476x_core_cmd_fm_acf_status(struct si476x_core *core, | |
800 | struct si476x_acf_status_report *report) | |
801 | { | |
802 | int err; | |
803 | u8 resp[CMD_FM_ACF_STATUS_NRESP]; | |
804 | const u8 args[CMD_FM_ACF_STATUS_NARGS] = { | |
805 | 0x0, | |
806 | }; | |
807 | ||
808 | if (!report) | |
809 | return -EINVAL; | |
810 | ||
811 | err = si476x_core_send_command(core, CMD_FM_ACF_STATUS, | |
812 | args, ARRAY_SIZE(args), | |
813 | resp, ARRAY_SIZE(resp), | |
814 | SI476X_DEFAULT_TIMEOUT); | |
815 | if (err < 0) | |
816 | return err; | |
817 | ||
818 | report->blend_int = resp[1] & SI476X_ACF_BLEND_INT; | |
819 | report->hblend_int = resp[1] & SI476X_ACF_HIBLEND_INT; | |
820 | report->hicut_int = resp[1] & SI476X_ACF_HICUT_INT; | |
821 | report->chbw_int = resp[1] & SI476X_ACF_CHBW_INT; | |
822 | report->softmute_int = resp[1] & SI476X_ACF_SOFTMUTE_INT; | |
823 | report->smute = resp[2] & SI476X_ACF_SMUTE; | |
824 | report->smattn = resp[3] & SI476X_ACF_SMATTN; | |
825 | report->chbw = resp[4]; | |
826 | report->hicut = resp[5]; | |
827 | report->hiblend = resp[6]; | |
828 | report->pilot = resp[7] & SI476X_ACF_PILOT; | |
829 | report->stblend = resp[7] & SI476X_ACF_STBLEND; | |
830 | ||
831 | return err; | |
832 | } | |
833 | EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_acf_status); | |
834 | ||
835 | int si476x_core_cmd_am_acf_status(struct si476x_core *core, | |
836 | struct si476x_acf_status_report *report) | |
837 | { | |
838 | int err; | |
839 | u8 resp[CMD_AM_ACF_STATUS_NRESP]; | |
840 | const u8 args[CMD_AM_ACF_STATUS_NARGS] = { | |
841 | 0x0, | |
842 | }; | |
843 | ||
844 | if (!report) | |
845 | return -EINVAL; | |
846 | ||
847 | err = si476x_core_send_command(core, CMD_AM_ACF_STATUS, | |
848 | args, ARRAY_SIZE(args), | |
849 | resp, ARRAY_SIZE(resp), | |
850 | SI476X_DEFAULT_TIMEOUT); | |
851 | if (err < 0) | |
852 | return err; | |
853 | ||
854 | report->blend_int = resp[1] & SI476X_ACF_BLEND_INT; | |
855 | report->hblend_int = resp[1] & SI476X_ACF_HIBLEND_INT; | |
856 | report->hicut_int = resp[1] & SI476X_ACF_HICUT_INT; | |
857 | report->chbw_int = resp[1] & SI476X_ACF_CHBW_INT; | |
858 | report->softmute_int = resp[1] & SI476X_ACF_SOFTMUTE_INT; | |
859 | report->smute = resp[2] & SI476X_ACF_SMUTE; | |
860 | report->smattn = resp[3] & SI476X_ACF_SMATTN; | |
861 | report->chbw = resp[4]; | |
862 | report->hicut = resp[5]; | |
863 | ||
864 | return err; | |
865 | } | |
866 | EXPORT_SYMBOL_GPL(si476x_core_cmd_am_acf_status); | |
867 | ||
868 | ||
869 | /** | |
870 | * si476x_cmd_fm_seek_start - send 'FM_SEEK_START' command to the | |
871 | * device | |
872 | * @core - device to send the command to | |
873 | * @seekup - if set the direction of the search is 'up' | |
874 | * @wrap - if set seek wraps when hitting band limit | |
875 | * | |
876 | * This function begins search for a valid station. The station is | |
877 | * considered valid when 'FM_VALID_SNR_THRESHOLD' and | |
878 | * 'FM_VALID_RSSI_THRESHOLD' and 'FM_VALID_MAX_TUNE_ERROR' criteria | |
879 | * are met. | |
880 | } * | |
881 | * Function returns 0 on success and negative error code on failure | |
882 | */ | |
883 | int si476x_core_cmd_fm_seek_start(struct si476x_core *core, | |
884 | bool seekup, bool wrap) | |
885 | { | |
886 | u8 resp[CMD_FM_SEEK_START_NRESP]; | |
887 | const u8 args[CMD_FM_SEEK_START_NARGS] = { | |
888 | seekup << 3 | wrap << 2, | |
889 | }; | |
890 | ||
891 | return si476x_cmd_tune_seek_freq(core, CMD_FM_SEEK_START, | |
892 | args, sizeof(args), | |
893 | resp, sizeof(resp)); | |
894 | } | |
895 | EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_seek_start); | |
896 | ||
897 | /** | |
898 | * si476x_cmd_fm_rds_status - send 'FM_RDS_STATUS' command to the | |
899 | * device | |
900 | * @core - device to send the command to | |
901 | * @status_only - if set the data is not removed from RDSFIFO, | |
902 | * RDSFIFOUSED is not decremented and data in all the | |
903 | * rest RDS data contains the last valid info received | |
904 | * @mtfifo if set the command clears RDS receive FIFO | |
905 | * @intack if set the command clards the RDSINT bit. | |
906 | * | |
907 | * Function returns 0 on success and negative error code on failure | |
908 | */ | |
909 | int si476x_core_cmd_fm_rds_status(struct si476x_core *core, | |
910 | bool status_only, | |
911 | bool mtfifo, | |
912 | bool intack, | |
913 | struct si476x_rds_status_report *report) | |
914 | { | |
915 | int err; | |
916 | u8 resp[CMD_FM_RDS_STATUS_NRESP]; | |
917 | const u8 args[CMD_FM_RDS_STATUS_NARGS] = { | |
918 | status_only << 2 | mtfifo << 1 | intack, | |
919 | }; | |
920 | ||
921 | err = si476x_core_send_command(core, CMD_FM_RDS_STATUS, | |
922 | args, ARRAY_SIZE(args), | |
923 | resp, ARRAY_SIZE(resp), | |
924 | SI476X_DEFAULT_TIMEOUT); | |
925 | /* | |
926 | * Besides getting RDS status information this command can be | |
927 | * used to just acknowledge different interrupt flags in those | |
928 | * cases it is useless to copy and parse received data so user | |
929 | * can pass NULL, and thus avoid unnecessary copying. | |
930 | */ | |
931 | if (err < 0 || report == NULL) | |
932 | return err; | |
933 | ||
934 | report->rdstpptyint = 0b00010000 & resp[1]; | |
935 | report->rdspiint = 0b00001000 & resp[1]; | |
936 | report->rdssyncint = 0b00000010 & resp[1]; | |
937 | report->rdsfifoint = 0b00000001 & resp[1]; | |
938 | ||
939 | report->tpptyvalid = 0b00010000 & resp[2]; | |
940 | report->pivalid = 0b00001000 & resp[2]; | |
941 | report->rdssync = 0b00000010 & resp[2]; | |
942 | report->rdsfifolost = 0b00000001 & resp[2]; | |
943 | ||
944 | report->tp = 0b00100000 & resp[3]; | |
945 | report->pty = 0b00011111 & resp[3]; | |
946 | ||
947 | report->pi = be16_to_cpup((__be16 *)(resp + 4)); | |
948 | report->rdsfifoused = resp[6]; | |
949 | ||
950 | report->ble[V4L2_RDS_BLOCK_A] = 0b11000000 & resp[7]; | |
951 | report->ble[V4L2_RDS_BLOCK_B] = 0b00110000 & resp[7]; | |
952 | report->ble[V4L2_RDS_BLOCK_C] = 0b00001100 & resp[7]; | |
953 | report->ble[V4L2_RDS_BLOCK_D] = 0b00000011 & resp[7]; | |
954 | ||
955 | report->rds[V4L2_RDS_BLOCK_A].block = V4L2_RDS_BLOCK_A; | |
956 | report->rds[V4L2_RDS_BLOCK_A].msb = resp[8]; | |
957 | report->rds[V4L2_RDS_BLOCK_A].lsb = resp[9]; | |
958 | ||
959 | report->rds[V4L2_RDS_BLOCK_B].block = V4L2_RDS_BLOCK_B; | |
960 | report->rds[V4L2_RDS_BLOCK_B].msb = resp[10]; | |
961 | report->rds[V4L2_RDS_BLOCK_B].lsb = resp[11]; | |
962 | ||
963 | report->rds[V4L2_RDS_BLOCK_C].block = V4L2_RDS_BLOCK_C; | |
964 | report->rds[V4L2_RDS_BLOCK_C].msb = resp[12]; | |
965 | report->rds[V4L2_RDS_BLOCK_C].lsb = resp[13]; | |
966 | ||
967 | report->rds[V4L2_RDS_BLOCK_D].block = V4L2_RDS_BLOCK_D; | |
968 | report->rds[V4L2_RDS_BLOCK_D].msb = resp[14]; | |
969 | report->rds[V4L2_RDS_BLOCK_D].lsb = resp[15]; | |
970 | ||
971 | return err; | |
972 | } | |
973 | EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_rds_status); | |
974 | ||
975 | int si476x_core_cmd_fm_rds_blockcount(struct si476x_core *core, | |
976 | bool clear, | |
977 | struct si476x_rds_blockcount_report *report) | |
978 | { | |
979 | int err; | |
980 | u8 resp[CMD_FM_RDS_BLOCKCOUNT_NRESP]; | |
981 | const u8 args[CMD_FM_RDS_BLOCKCOUNT_NARGS] = { | |
982 | clear, | |
983 | }; | |
984 | ||
985 | if (!report) | |
986 | return -EINVAL; | |
987 | ||
988 | err = si476x_core_send_command(core, CMD_FM_RDS_BLOCKCOUNT, | |
989 | args, ARRAY_SIZE(args), | |
990 | resp, ARRAY_SIZE(resp), | |
991 | SI476X_DEFAULT_TIMEOUT); | |
992 | ||
993 | if (!err) { | |
994 | report->expected = be16_to_cpup((__be16 *)(resp + 2)); | |
995 | report->received = be16_to_cpup((__be16 *)(resp + 4)); | |
996 | report->uncorrectable = be16_to_cpup((__be16 *)(resp + 6)); | |
997 | } | |
998 | ||
999 | return err; | |
1000 | } | |
1001 | EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_rds_blockcount); | |
1002 | ||
1003 | int si476x_core_cmd_fm_phase_diversity(struct si476x_core *core, | |
1004 | enum si476x_phase_diversity_mode mode) | |
1005 | { | |
1006 | u8 resp[CMD_FM_PHASE_DIVERSITY_NRESP]; | |
1007 | const u8 args[CMD_FM_PHASE_DIVERSITY_NARGS] = { | |
1008 | mode & 0b111, | |
1009 | }; | |
1010 | ||
1011 | return si476x_core_send_command(core, CMD_FM_PHASE_DIVERSITY, | |
1012 | args, ARRAY_SIZE(args), | |
1013 | resp, ARRAY_SIZE(resp), | |
1014 | SI476X_DEFAULT_TIMEOUT); | |
1015 | } | |
1016 | EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_phase_diversity); | |
1017 | /** | |
1018 | * si476x_core_cmd_fm_phase_div_status() - get the phase diversity | |
1019 | * status | |
1020 | * | |
1021 | * @core: si476x device | |
1022 | * | |
1023 | * NOTE caller must hold core lock | |
1024 | * | |
1025 | * Function returns the value of the status bit in case of success and | |
1026 | * negative error code in case of failre. | |
1027 | */ | |
1028 | int si476x_core_cmd_fm_phase_div_status(struct si476x_core *core) | |
1029 | { | |
1030 | int err; | |
1031 | u8 resp[CMD_FM_PHASE_DIV_STATUS_NRESP]; | |
1032 | ||
1033 | err = si476x_core_send_command(core, CMD_FM_PHASE_DIV_STATUS, | |
1034 | NULL, 0, | |
1035 | resp, ARRAY_SIZE(resp), | |
1036 | SI476X_DEFAULT_TIMEOUT); | |
1037 | ||
1038 | return (err < 0) ? err : resp[1]; | |
1039 | } | |
1040 | EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_phase_div_status); | |
1041 | ||
1042 | ||
1043 | /** | |
1044 | * si476x_cmd_am_seek_start - send 'FM_SEEK_START' command to the | |
1045 | * device | |
1046 | * @core - device to send the command to | |
1047 | * @seekup - if set the direction of the search is 'up' | |
1048 | * @wrap - if set seek wraps when hitting band limit | |
1049 | * | |
1050 | * This function begins search for a valid station. The station is | |
1051 | * considered valid when 'FM_VALID_SNR_THRESHOLD' and | |
1052 | * 'FM_VALID_RSSI_THRESHOLD' and 'FM_VALID_MAX_TUNE_ERROR' criteria | |
1053 | * are met. | |
1054 | * | |
1055 | * Function returns 0 on success and negative error code on failure | |
1056 | */ | |
1057 | int si476x_core_cmd_am_seek_start(struct si476x_core *core, | |
1058 | bool seekup, bool wrap) | |
1059 | { | |
1060 | u8 resp[CMD_AM_SEEK_START_NRESP]; | |
1061 | const u8 args[CMD_AM_SEEK_START_NARGS] = { | |
1062 | seekup << 3 | wrap << 2, | |
1063 | }; | |
1064 | ||
1065 | return si476x_cmd_tune_seek_freq(core, CMD_AM_SEEK_START, | |
1066 | args, sizeof(args), | |
1067 | resp, sizeof(resp)); | |
1068 | } | |
1069 | EXPORT_SYMBOL_GPL(si476x_core_cmd_am_seek_start); | |
1070 | ||
1071 | ||
1072 | ||
1073 | static int si476x_core_cmd_power_up_a10(struct si476x_core *core, | |
1074 | struct si476x_power_up_args *puargs) | |
1075 | { | |
1076 | u8 resp[CMD_POWER_UP_A10_NRESP]; | |
1077 | const bool intsel = (core->pinmux.a1 == SI476X_A1_IRQ); | |
1078 | const bool ctsen = (core->client->irq != 0); | |
1079 | const u8 args[CMD_POWER_UP_A10_NARGS] = { | |
1080 | 0xF7, /* Reserved, always 0xF7 */ | |
1081 | 0x3F & puargs->xcload, /* First two bits are reserved to be | |
1082 | * zeros */ | |
1083 | ctsen << 7 | intsel << 6 | 0x07, /* Last five bits | |
1084 | * are reserved to | |
1085 | * be written as 0x7 */ | |
1086 | puargs->func << 4 | puargs->freq, | |
1087 | 0x11, /* Reserved, always 0x11 */ | |
1088 | }; | |
1089 | ||
1090 | return si476x_core_send_command(core, CMD_POWER_UP, | |
1091 | args, ARRAY_SIZE(args), | |
1092 | resp, ARRAY_SIZE(resp), | |
1093 | SI476X_TIMEOUT_POWER_UP); | |
1094 | } | |
1095 | ||
1096 | static int si476x_core_cmd_power_up_a20(struct si476x_core *core, | |
1097 | struct si476x_power_up_args *puargs) | |
1098 | { | |
1099 | u8 resp[CMD_POWER_UP_A20_NRESP]; | |
1100 | const bool intsel = (core->pinmux.a1 == SI476X_A1_IRQ); | |
1101 | const bool ctsen = (core->client->irq != 0); | |
1102 | const u8 args[CMD_POWER_UP_A20_NARGS] = { | |
1103 | puargs->ibias6x << 7 | puargs->xstart, | |
1104 | 0x3F & puargs->xcload, /* First two bits are reserved to be | |
1105 | * zeros */ | |
1106 | ctsen << 7 | intsel << 6 | puargs->fastboot << 5 | | |
1107 | puargs->xbiashc << 3 | puargs->xbias, | |
1108 | puargs->func << 4 | puargs->freq, | |
1109 | 0x10 | puargs->xmode, | |
1110 | }; | |
1111 | ||
1112 | return si476x_core_send_command(core, CMD_POWER_UP, | |
1113 | args, ARRAY_SIZE(args), | |
1114 | resp, ARRAY_SIZE(resp), | |
1115 | SI476X_TIMEOUT_POWER_UP); | |
1116 | } | |
1117 | ||
1118 | static int si476x_core_cmd_power_down_a10(struct si476x_core *core, | |
1119 | struct si476x_power_down_args *pdargs) | |
1120 | { | |
1121 | u8 resp[CMD_POWER_DOWN_A10_NRESP]; | |
1122 | ||
1123 | return si476x_core_send_command(core, CMD_POWER_DOWN, | |
1124 | NULL, 0, | |
1125 | resp, ARRAY_SIZE(resp), | |
1126 | SI476X_DEFAULT_TIMEOUT); | |
1127 | } | |
1128 | ||
1129 | static int si476x_core_cmd_power_down_a20(struct si476x_core *core, | |
1130 | struct si476x_power_down_args *pdargs) | |
1131 | { | |
1132 | u8 resp[CMD_POWER_DOWN_A20_NRESP]; | |
1133 | const u8 args[CMD_POWER_DOWN_A20_NARGS] = { | |
1134 | pdargs->xosc, | |
1135 | }; | |
1136 | return si476x_core_send_command(core, CMD_POWER_DOWN, | |
1137 | args, ARRAY_SIZE(args), | |
1138 | resp, ARRAY_SIZE(resp), | |
1139 | SI476X_DEFAULT_TIMEOUT); | |
1140 | } | |
1141 | ||
1142 | static int si476x_core_cmd_am_tune_freq_a10(struct si476x_core *core, | |
1143 | struct si476x_tune_freq_args *tuneargs) | |
1144 | { | |
1145 | ||
1146 | const int am_freq = tuneargs->freq; | |
1147 | u8 resp[CMD_AM_TUNE_FREQ_NRESP]; | |
1148 | const u8 args[CMD_AM_TUNE_FREQ_NARGS] = { | |
1149 | (tuneargs->hd << 6), | |
1150 | msb(am_freq), | |
1151 | lsb(am_freq), | |
1152 | }; | |
1153 | ||
1154 | return si476x_cmd_tune_seek_freq(core, CMD_AM_TUNE_FREQ, args, | |
1155 | sizeof(args), | |
1156 | resp, sizeof(resp)); | |
1157 | } | |
1158 | ||
1159 | static int si476x_core_cmd_am_tune_freq_a20(struct si476x_core *core, | |
1160 | struct si476x_tune_freq_args *tuneargs) | |
1161 | { | |
1162 | const int am_freq = tuneargs->freq; | |
1163 | u8 resp[CMD_AM_TUNE_FREQ_NRESP]; | |
1164 | const u8 args[CMD_AM_TUNE_FREQ_NARGS] = { | |
1165 | (tuneargs->zifsr << 6) | (tuneargs->injside & 0b11), | |
1166 | msb(am_freq), | |
1167 | lsb(am_freq), | |
1168 | }; | |
1169 | ||
1170 | return si476x_cmd_tune_seek_freq(core, CMD_AM_TUNE_FREQ, | |
1171 | args, sizeof(args), | |
1172 | resp, sizeof(resp)); | |
1173 | } | |
1174 | ||
1175 | static int si476x_core_cmd_fm_rsq_status_a10(struct si476x_core *core, | |
1176 | struct si476x_rsq_status_args *rsqargs, | |
1177 | struct si476x_rsq_status_report *report) | |
1178 | { | |
1179 | int err; | |
1180 | u8 resp[CMD_FM_RSQ_STATUS_A10_NRESP]; | |
1181 | const u8 args[CMD_FM_RSQ_STATUS_A10_NARGS] = { | |
1182 | rsqargs->rsqack << 3 | rsqargs->attune << 2 | | |
1183 | rsqargs->cancel << 1 | rsqargs->stcack, | |
1184 | }; | |
1185 | ||
1186 | err = si476x_core_send_command(core, CMD_FM_RSQ_STATUS, | |
1187 | args, ARRAY_SIZE(args), | |
1188 | resp, ARRAY_SIZE(resp), | |
1189 | SI476X_DEFAULT_TIMEOUT); | |
1190 | /* | |
1191 | * Besides getting received signal quality information this | |
1192 | * command can be used to just acknowledge different interrupt | |
1193 | * flags in those cases it is useless to copy and parse | |
1194 | * received data so user can pass NULL, and thus avoid | |
1195 | * unnecessary copying. | |
1196 | */ | |
1197 | if (err < 0 || report == NULL) | |
1198 | return err; | |
1199 | ||
1200 | report->multhint = 0b10000000 & resp[1]; | |
1201 | report->multlint = 0b01000000 & resp[1]; | |
1202 | report->snrhint = 0b00001000 & resp[1]; | |
1203 | report->snrlint = 0b00000100 & resp[1]; | |
1204 | report->rssihint = 0b00000010 & resp[1]; | |
1205 | report->rssilint = 0b00000001 & resp[1]; | |
1206 | ||
1207 | report->bltf = 0b10000000 & resp[2]; | |
1208 | report->snr_ready = 0b00100000 & resp[2]; | |
1209 | report->rssiready = 0b00001000 & resp[2]; | |
1210 | report->afcrl = 0b00000010 & resp[2]; | |
1211 | report->valid = 0b00000001 & resp[2]; | |
1212 | ||
1213 | report->readfreq = be16_to_cpup((__be16 *)(resp + 3)); | |
1214 | report->freqoff = resp[5]; | |
1215 | report->rssi = resp[6]; | |
1216 | report->snr = resp[7]; | |
1217 | report->lassi = resp[9]; | |
1218 | report->hassi = resp[10]; | |
1219 | report->mult = resp[11]; | |
1220 | report->dev = resp[12]; | |
1221 | report->readantcap = be16_to_cpup((__be16 *)(resp + 13)); | |
1222 | report->assi = resp[15]; | |
1223 | report->usn = resp[16]; | |
1224 | ||
1225 | return err; | |
1226 | } | |
1227 | ||
1228 | static int si476x_core_cmd_fm_rsq_status_a20(struct si476x_core *core, | |
1229 | struct si476x_rsq_status_args *rsqargs, | |
1230 | struct si476x_rsq_status_report *report) | |
1231 | { | |
1232 | int err; | |
1233 | u8 resp[CMD_FM_RSQ_STATUS_A10_NRESP]; | |
1234 | const u8 args[CMD_FM_RSQ_STATUS_A30_NARGS] = { | |
1235 | rsqargs->primary << 4 | rsqargs->rsqack << 3 | | |
1236 | rsqargs->attune << 2 | rsqargs->cancel << 1 | | |
1237 | rsqargs->stcack, | |
1238 | }; | |
1239 | ||
1240 | err = si476x_core_send_command(core, CMD_FM_RSQ_STATUS, | |
1241 | args, ARRAY_SIZE(args), | |
1242 | resp, ARRAY_SIZE(resp), | |
1243 | SI476X_DEFAULT_TIMEOUT); | |
1244 | /* | |
1245 | * Besides getting received signal quality information this | |
1246 | * command can be used to just acknowledge different interrupt | |
1247 | * flags in those cases it is useless to copy and parse | |
1248 | * received data so user can pass NULL, and thus avoid | |
1249 | * unnecessary copying. | |
1250 | */ | |
1251 | if (err < 0 || report == NULL) | |
1252 | return err; | |
1253 | ||
1254 | report->multhint = 0b10000000 & resp[1]; | |
1255 | report->multlint = 0b01000000 & resp[1]; | |
1256 | report->snrhint = 0b00001000 & resp[1]; | |
1257 | report->snrlint = 0b00000100 & resp[1]; | |
1258 | report->rssihint = 0b00000010 & resp[1]; | |
1259 | report->rssilint = 0b00000001 & resp[1]; | |
1260 | ||
1261 | report->bltf = 0b10000000 & resp[2]; | |
1262 | report->snr_ready = 0b00100000 & resp[2]; | |
1263 | report->rssiready = 0b00001000 & resp[2]; | |
1264 | report->afcrl = 0b00000010 & resp[2]; | |
1265 | report->valid = 0b00000001 & resp[2]; | |
1266 | ||
1267 | report->readfreq = be16_to_cpup((__be16 *)(resp + 3)); | |
1268 | report->freqoff = resp[5]; | |
1269 | report->rssi = resp[6]; | |
1270 | report->snr = resp[7]; | |
1271 | report->lassi = resp[9]; | |
1272 | report->hassi = resp[10]; | |
1273 | report->mult = resp[11]; | |
1274 | report->dev = resp[12]; | |
1275 | report->readantcap = be16_to_cpup((__be16 *)(resp + 13)); | |
1276 | report->assi = resp[15]; | |
1277 | report->usn = resp[16]; | |
1278 | ||
1279 | return err; | |
1280 | } | |
1281 | ||
1282 | ||
1283 | static int si476x_core_cmd_fm_rsq_status_a30(struct si476x_core *core, | |
1284 | struct si476x_rsq_status_args *rsqargs, | |
1285 | struct si476x_rsq_status_report *report) | |
1286 | { | |
1287 | int err; | |
1288 | u8 resp[CMD_FM_RSQ_STATUS_A30_NRESP]; | |
1289 | const u8 args[CMD_FM_RSQ_STATUS_A30_NARGS] = { | |
1290 | rsqargs->primary << 4 | rsqargs->rsqack << 3 | | |
1291 | rsqargs->attune << 2 | rsqargs->cancel << 1 | | |
1292 | rsqargs->stcack, | |
1293 | }; | |
1294 | ||
1295 | err = si476x_core_send_command(core, CMD_FM_RSQ_STATUS, | |
1296 | args, ARRAY_SIZE(args), | |
1297 | resp, ARRAY_SIZE(resp), | |
1298 | SI476X_DEFAULT_TIMEOUT); | |
1299 | /* | |
1300 | * Besides getting received signal quality information this | |
1301 | * command can be used to just acknowledge different interrupt | |
1302 | * flags in those cases it is useless to copy and parse | |
1303 | * received data so user can pass NULL, and thus avoid | |
1304 | * unnecessary copying. | |
1305 | */ | |
1306 | if (err < 0 || report == NULL) | |
1307 | return err; | |
1308 | ||
1309 | report->multhint = 0b10000000 & resp[1]; | |
1310 | report->multlint = 0b01000000 & resp[1]; | |
1311 | report->snrhint = 0b00001000 & resp[1]; | |
1312 | report->snrlint = 0b00000100 & resp[1]; | |
1313 | report->rssihint = 0b00000010 & resp[1]; | |
1314 | report->rssilint = 0b00000001 & resp[1]; | |
1315 | ||
1316 | report->bltf = 0b10000000 & resp[2]; | |
1317 | report->snr_ready = 0b00100000 & resp[2]; | |
1318 | report->rssiready = 0b00001000 & resp[2]; | |
1319 | report->injside = 0b00000100 & resp[2]; | |
1320 | report->afcrl = 0b00000010 & resp[2]; | |
1321 | report->valid = 0b00000001 & resp[2]; | |
1322 | ||
1323 | report->readfreq = be16_to_cpup((__be16 *)(resp + 3)); | |
1324 | report->freqoff = resp[5]; | |
1325 | report->rssi = resp[6]; | |
1326 | report->snr = resp[7]; | |
1327 | report->issi = resp[8]; | |
1328 | report->lassi = resp[9]; | |
1329 | report->hassi = resp[10]; | |
1330 | report->mult = resp[11]; | |
1331 | report->dev = resp[12]; | |
1332 | report->readantcap = be16_to_cpup((__be16 *)(resp + 13)); | |
1333 | report->assi = resp[15]; | |
1334 | report->usn = resp[16]; | |
1335 | ||
1336 | report->pilotdev = resp[17]; | |
1337 | report->rdsdev = resp[18]; | |
1338 | report->assidev = resp[19]; | |
1339 | report->strongdev = resp[20]; | |
1340 | report->rdspi = be16_to_cpup((__be16 *)(resp + 21)); | |
1341 | ||
1342 | return err; | |
1343 | } | |
1344 | ||
1345 | static int si476x_core_cmd_fm_tune_freq_a10(struct si476x_core *core, | |
1346 | struct si476x_tune_freq_args *tuneargs) | |
1347 | { | |
1348 | u8 resp[CMD_FM_TUNE_FREQ_NRESP]; | |
1349 | const u8 args[CMD_FM_TUNE_FREQ_A10_NARGS] = { | |
1350 | (tuneargs->hd << 6) | (tuneargs->tunemode << 4) | |
1351 | | (tuneargs->smoothmetrics << 2), | |
1352 | msb(tuneargs->freq), | |
1353 | lsb(tuneargs->freq), | |
1354 | msb(tuneargs->antcap), | |
1355 | lsb(tuneargs->antcap) | |
1356 | }; | |
1357 | ||
1358 | return si476x_cmd_tune_seek_freq(core, CMD_FM_TUNE_FREQ, | |
1359 | args, sizeof(args), | |
1360 | resp, sizeof(resp)); | |
1361 | } | |
1362 | ||
1363 | static int si476x_core_cmd_fm_tune_freq_a20(struct si476x_core *core, | |
1364 | struct si476x_tune_freq_args *tuneargs) | |
1365 | { | |
1366 | u8 resp[CMD_FM_TUNE_FREQ_NRESP]; | |
1367 | const u8 args[CMD_FM_TUNE_FREQ_A20_NARGS] = { | |
1368 | (tuneargs->hd << 6) | (tuneargs->tunemode << 4) | |
1369 | | (tuneargs->smoothmetrics << 2) | (tuneargs->injside), | |
1370 | msb(tuneargs->freq), | |
1371 | lsb(tuneargs->freq), | |
1372 | }; | |
1373 | ||
1374 | return si476x_cmd_tune_seek_freq(core, CMD_FM_TUNE_FREQ, | |
1375 | args, sizeof(args), | |
1376 | resp, sizeof(resp)); | |
1377 | } | |
1378 | ||
1379 | static int si476x_core_cmd_agc_status_a20(struct si476x_core *core, | |
1380 | struct si476x_agc_status_report *report) | |
1381 | { | |
1382 | int err; | |
1383 | u8 resp[CMD_AGC_STATUS_NRESP_A20]; | |
1384 | ||
1385 | if (!report) | |
1386 | return -EINVAL; | |
1387 | ||
1388 | err = si476x_core_send_command(core, CMD_AGC_STATUS, | |
1389 | NULL, 0, | |
1390 | resp, ARRAY_SIZE(resp), | |
1391 | SI476X_DEFAULT_TIMEOUT); | |
1392 | if (err < 0) | |
1393 | return err; | |
1394 | ||
1395 | report->mxhi = resp[1] & SI476X_AGC_MXHI; | |
1396 | report->mxlo = resp[1] & SI476X_AGC_MXLO; | |
1397 | report->lnahi = resp[1] & SI476X_AGC_LNAHI; | |
1398 | report->lnalo = resp[1] & SI476X_AGC_LNALO; | |
1399 | report->fmagc1 = resp[2]; | |
1400 | report->fmagc2 = resp[3]; | |
1401 | report->pgagain = resp[4]; | |
1402 | report->fmwblang = resp[5]; | |
1403 | ||
1404 | return err; | |
1405 | } | |
1406 | ||
1407 | static int si476x_core_cmd_agc_status_a10(struct si476x_core *core, | |
1408 | struct si476x_agc_status_report *report) | |
1409 | { | |
1410 | int err; | |
1411 | u8 resp[CMD_AGC_STATUS_NRESP_A10]; | |
1412 | ||
1413 | if (!report) | |
1414 | return -EINVAL; | |
1415 | ||
1416 | err = si476x_core_send_command(core, CMD_AGC_STATUS, | |
1417 | NULL, 0, | |
1418 | resp, ARRAY_SIZE(resp), | |
1419 | SI476X_DEFAULT_TIMEOUT); | |
1420 | if (err < 0) | |
1421 | return err; | |
1422 | ||
1423 | report->mxhi = resp[1] & SI476X_AGC_MXHI; | |
1424 | report->mxlo = resp[1] & SI476X_AGC_MXLO; | |
1425 | report->lnahi = resp[1] & SI476X_AGC_LNAHI; | |
1426 | report->lnalo = resp[1] & SI476X_AGC_LNALO; | |
1427 | ||
1428 | return err; | |
1429 | } | |
1430 | ||
1431 | typedef int (*tune_freq_func_t) (struct si476x_core *core, | |
1432 | struct si476x_tune_freq_args *tuneargs); | |
1433 | ||
1434 | static struct { | |
1435 | int (*power_up) (struct si476x_core *, | |
1436 | struct si476x_power_up_args *); | |
1437 | int (*power_down) (struct si476x_core *, | |
1438 | struct si476x_power_down_args *); | |
1439 | ||
1440 | tune_freq_func_t fm_tune_freq; | |
1441 | tune_freq_func_t am_tune_freq; | |
1442 | ||
1443 | int (*fm_rsq_status)(struct si476x_core *, | |
1444 | struct si476x_rsq_status_args *, | |
1445 | struct si476x_rsq_status_report *); | |
1446 | ||
1447 | int (*agc_status)(struct si476x_core *, | |
1448 | struct si476x_agc_status_report *); | |
1449 | int (*intb_pin_cfg)(struct si476x_core *core, | |
1450 | enum si476x_intb_config intb, | |
1451 | enum si476x_a1_config a1); | |
1452 | } si476x_cmds_vtable[] = { | |
1453 | [SI476X_REVISION_A10] = { | |
1454 | .power_up = si476x_core_cmd_power_up_a10, | |
1455 | .power_down = si476x_core_cmd_power_down_a10, | |
1456 | .fm_tune_freq = si476x_core_cmd_fm_tune_freq_a10, | |
1457 | .am_tune_freq = si476x_core_cmd_am_tune_freq_a10, | |
1458 | .fm_rsq_status = si476x_core_cmd_fm_rsq_status_a10, | |
1459 | .agc_status = si476x_core_cmd_agc_status_a10, | |
1460 | .intb_pin_cfg = si476x_core_cmd_intb_pin_cfg_a10, | |
1461 | }, | |
1462 | [SI476X_REVISION_A20] = { | |
1463 | .power_up = si476x_core_cmd_power_up_a20, | |
1464 | .power_down = si476x_core_cmd_power_down_a20, | |
1465 | .fm_tune_freq = si476x_core_cmd_fm_tune_freq_a20, | |
1466 | .am_tune_freq = si476x_core_cmd_am_tune_freq_a20, | |
1467 | .fm_rsq_status = si476x_core_cmd_fm_rsq_status_a20, | |
1468 | .agc_status = si476x_core_cmd_agc_status_a20, | |
1469 | .intb_pin_cfg = si476x_core_cmd_intb_pin_cfg_a20, | |
1470 | }, | |
1471 | [SI476X_REVISION_A30] = { | |
1472 | .power_up = si476x_core_cmd_power_up_a20, | |
1473 | .power_down = si476x_core_cmd_power_down_a20, | |
1474 | .fm_tune_freq = si476x_core_cmd_fm_tune_freq_a20, | |
1475 | .am_tune_freq = si476x_core_cmd_am_tune_freq_a20, | |
1476 | .fm_rsq_status = si476x_core_cmd_fm_rsq_status_a30, | |
1477 | .agc_status = si476x_core_cmd_agc_status_a20, | |
1478 | .intb_pin_cfg = si476x_core_cmd_intb_pin_cfg_a20, | |
1479 | }, | |
1480 | }; | |
1481 | ||
1482 | int si476x_core_cmd_power_up(struct si476x_core *core, | |
1483 | struct si476x_power_up_args *args) | |
1484 | { | |
1485 | BUG_ON(core->revision > SI476X_REVISION_A30 || | |
1486 | core->revision == -1); | |
1487 | return si476x_cmds_vtable[core->revision].power_up(core, args); | |
1488 | } | |
1489 | EXPORT_SYMBOL_GPL(si476x_core_cmd_power_up); | |
1490 | ||
1491 | int si476x_core_cmd_power_down(struct si476x_core *core, | |
1492 | struct si476x_power_down_args *args) | |
1493 | { | |
1494 | BUG_ON(core->revision > SI476X_REVISION_A30 || | |
1495 | core->revision == -1); | |
1496 | return si476x_cmds_vtable[core->revision].power_down(core, args); | |
1497 | } | |
1498 | EXPORT_SYMBOL_GPL(si476x_core_cmd_power_down); | |
1499 | ||
1500 | int si476x_core_cmd_fm_tune_freq(struct si476x_core *core, | |
1501 | struct si476x_tune_freq_args *args) | |
1502 | { | |
1503 | BUG_ON(core->revision > SI476X_REVISION_A30 || | |
1504 | core->revision == -1); | |
1505 | return si476x_cmds_vtable[core->revision].fm_tune_freq(core, args); | |
1506 | } | |
1507 | EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_tune_freq); | |
1508 | ||
1509 | int si476x_core_cmd_am_tune_freq(struct si476x_core *core, | |
1510 | struct si476x_tune_freq_args *args) | |
1511 | { | |
1512 | BUG_ON(core->revision > SI476X_REVISION_A30 || | |
1513 | core->revision == -1); | |
1514 | return si476x_cmds_vtable[core->revision].am_tune_freq(core, args); | |
1515 | } | |
1516 | EXPORT_SYMBOL_GPL(si476x_core_cmd_am_tune_freq); | |
1517 | ||
1518 | int si476x_core_cmd_fm_rsq_status(struct si476x_core *core, | |
1519 | struct si476x_rsq_status_args *args, | |
1520 | struct si476x_rsq_status_report *report) | |
1521 | ||
1522 | { | |
1523 | BUG_ON(core->revision > SI476X_REVISION_A30 || | |
1524 | core->revision == -1); | |
1525 | return si476x_cmds_vtable[core->revision].fm_rsq_status(core, args, | |
1526 | report); | |
1527 | } | |
1528 | EXPORT_SYMBOL_GPL(si476x_core_cmd_fm_rsq_status); | |
1529 | ||
1530 | int si476x_core_cmd_agc_status(struct si476x_core *core, | |
1531 | struct si476x_agc_status_report *report) | |
1532 | ||
1533 | { | |
1534 | BUG_ON(core->revision > SI476X_REVISION_A30 || | |
1535 | core->revision == -1); | |
1536 | return si476x_cmds_vtable[core->revision].agc_status(core, report); | |
1537 | } | |
1538 | EXPORT_SYMBOL_GPL(si476x_core_cmd_agc_status); | |
1539 | ||
1540 | int si476x_core_cmd_intb_pin_cfg(struct si476x_core *core, | |
1541 | enum si476x_intb_config intb, | |
1542 | enum si476x_a1_config a1) | |
1543 | { | |
1544 | BUG_ON(core->revision > SI476X_REVISION_A30 || | |
1545 | core->revision == -1); | |
1546 | ||
1547 | return si476x_cmds_vtable[core->revision].intb_pin_cfg(core, intb, a1); | |
1548 | } | |
1549 | EXPORT_SYMBOL_GPL(si476x_core_cmd_intb_pin_cfg); | |
1550 | ||
1551 | MODULE_LICENSE("GPL"); | |
1552 | MODULE_AUTHOR("Andrey Smirnov <andrew.smirnov@gmail.com>"); | |
1553 | MODULE_DESCRIPTION("API for command exchange for si476x"); |