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1 | /* |
2 | * include/media/si476x-core.h -- Common definitions for si476x core | |
3 | * device | |
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 | #ifndef SI476X_CORE_H | |
22 | #define SI476X_CORE_H | |
23 | ||
24 | #include <linux/kfifo.h> | |
25 | #include <linux/atomic.h> | |
26 | #include <linux/i2c.h> | |
27 | #include <linux/regmap.h> | |
28 | #include <linux/mutex.h> | |
29 | #include <linux/mfd/core.h> | |
30 | #include <linux/videodev2.h> | |
31 | #include <linux/regulator/consumer.h> | |
32 | ||
33 | #include <linux/mfd/si476x-platform.h> | |
34 | #include <linux/mfd/si476x-reports.h> | |
35 | ||
36 | /* Command Timeouts */ | |
37 | #define SI476X_DEFAULT_TIMEOUT 100000 | |
38 | #define SI476X_TIMEOUT_TUNE 700000 | |
39 | #define SI476X_TIMEOUT_POWER_UP 330000 | |
40 | #define SI476X_STATUS_POLL_US 0 | |
41 | ||
42 | /* -------------------- si476x-i2c.c ----------------------- */ | |
43 | ||
44 | enum si476x_freq_supported_chips { | |
45 | SI476X_CHIP_SI4761 = 1, | |
46 | SI476X_CHIP_SI4764, | |
47 | SI476X_CHIP_SI4768, | |
48 | }; | |
49 | ||
50 | enum si476x_part_revisions { | |
51 | SI476X_REVISION_A10 = 0, | |
52 | SI476X_REVISION_A20 = 1, | |
53 | SI476X_REVISION_A30 = 2, | |
54 | }; | |
55 | ||
56 | enum si476x_mfd_cells { | |
57 | SI476X_RADIO_CELL = 0, | |
58 | SI476X_CODEC_CELL, | |
59 | SI476X_MFD_CELLS, | |
60 | }; | |
61 | ||
62 | /** | |
63 | * enum si476x_power_state - possible power state of the si476x | |
64 | * device. | |
65 | * | |
66 | * @SI476X_POWER_DOWN: In this state all regulators are turned off | |
67 | * and the reset line is pulled low. The device is completely | |
68 | * inactive. | |
69 | * @SI476X_POWER_UP_FULL: In this state all the power regualtors are | |
70 | * turned on, reset line pulled high, IRQ line is enabled(polling is | |
71 | * active for polling use scenario) and device is turned on with | |
72 | * POWER_UP command. The device is ready to be used. | |
73 | * @SI476X_POWER_INCONSISTENT: This state indicates that previous | |
74 | * power down was inconsistent, meaning some of the regulators were | |
75 | * not turned down and thus use of the device, without power-cycling | |
76 | * is impossible. | |
77 | */ | |
78 | enum si476x_power_state { | |
79 | SI476X_POWER_DOWN = 0, | |
80 | SI476X_POWER_UP_FULL = 1, | |
81 | SI476X_POWER_INCONSISTENT = 2, | |
82 | }; | |
83 | ||
84 | /** | |
85 | * struct si476x_core - internal data structure representing the | |
86 | * underlying "core" device which all the MFD cell-devices use. | |
87 | * | |
88 | * @client: Actual I2C client used to transfer commands to the chip. | |
89 | * @chip_id: Last digit of the chip model(E.g. "1" for SI4761) | |
90 | * @cells: MFD cell devices created by this driver. | |
91 | * @cmd_lock: Mutex used to serialize all the requests to the core | |
92 | * device. This filed should not be used directly. Instead | |
93 | * si476x_core_lock()/si476x_core_unlock() should be used to get | |
94 | * exclusive access to the "core" device. | |
95 | * @users: Active users counter(Used by the radio cell) | |
96 | * @rds_read_queue: Wait queue used to wait for RDS data. | |
97 | * @rds_fifo: FIFO in which all the RDS data received from the chip is | |
98 | * placed. | |
99 | * @rds_fifo_drainer: Worker that drains on-chip RDS FIFO. | |
100 | * @rds_drainer_is_working: Flag used for launching only one instance | |
101 | * of the @rds_fifo_drainer. | |
102 | * @rds_drainer_status_lock: Lock used to guard access to the | |
103 | * @rds_drainer_is_working variable. | |
104 | * @command: Wait queue for wainting on the command comapletion. | |
105 | * @cts: Clear To Send flag set upon receiving first status with CTS | |
106 | * set. | |
107 | * @tuning: Wait queue used for wainting for tune/seek comand | |
108 | * completion. | |
109 | * @stc: Similar to @cts, but for the STC bit of the status value. | |
110 | * @power_up_parameters: Parameters used as argument for POWER_UP | |
111 | * command when the device is started. | |
112 | * @state: Current power state of the device. | |
113 | * @supplues: Structure containing handles to all power supplies used | |
114 | * by the device (NULL ones are ignored). | |
115 | * @gpio_reset: GPIO pin connectet to the RSTB pin of the chip. | |
116 | * @pinmux: Chip's configurable pins configuration. | |
117 | * @diversity_mode: Chips role when functioning in diversity mode. | |
118 | * @status_monitor: Polling worker used in polling use case scenarion | |
119 | * (when IRQ is not avalible). | |
120 | * @revision: Chip's running firmware revision number(Used for correct | |
121 | * command set support). | |
122 | */ | |
123 | ||
124 | struct si476x_core { | |
125 | struct i2c_client *client; | |
126 | struct regmap *regmap; | |
127 | int chip_id; | |
128 | struct mfd_cell cells[SI476X_MFD_CELLS]; | |
129 | ||
130 | struct mutex cmd_lock; /* for serializing fm radio operations */ | |
131 | atomic_t users; | |
132 | ||
133 | wait_queue_head_t rds_read_queue; | |
134 | struct kfifo rds_fifo; | |
135 | struct work_struct rds_fifo_drainer; | |
136 | bool rds_drainer_is_working; | |
137 | struct mutex rds_drainer_status_lock; | |
138 | ||
139 | wait_queue_head_t command; | |
140 | atomic_t cts; | |
141 | ||
142 | wait_queue_head_t tuning; | |
143 | atomic_t stc; | |
144 | ||
145 | struct si476x_power_up_args power_up_parameters; | |
146 | ||
147 | enum si476x_power_state power_state; | |
148 | ||
149 | struct regulator_bulk_data supplies[4]; | |
150 | ||
151 | int gpio_reset; | |
152 | ||
153 | struct si476x_pinmux pinmux; | |
154 | enum si476x_phase_diversity_mode diversity_mode; | |
155 | ||
156 | atomic_t is_alive; | |
157 | ||
158 | struct delayed_work status_monitor; | |
159 | #define SI476X_WORK_TO_CORE(w) container_of(to_delayed_work(w), \ | |
160 | struct si476x_core, \ | |
161 | status_monitor) | |
162 | ||
163 | int revision; | |
164 | ||
165 | int rds_fifo_depth; | |
166 | }; | |
167 | ||
168 | static inline struct si476x_core *i2c_mfd_cell_to_core(struct device *dev) | |
169 | { | |
170 | struct i2c_client *client = to_i2c_client(dev->parent); | |
171 | return i2c_get_clientdata(client); | |
172 | } | |
173 | ||
174 | ||
175 | /** | |
176 | * si476x_core_lock() - lock the core device to get an exclusive access | |
177 | * to it. | |
178 | */ | |
179 | static inline void si476x_core_lock(struct si476x_core *core) | |
180 | { | |
181 | mutex_lock(&core->cmd_lock); | |
182 | } | |
183 | ||
184 | /** | |
185 | * si476x_core_unlock() - unlock the core device to relinquish an | |
186 | * exclusive access to it. | |
187 | */ | |
188 | static inline void si476x_core_unlock(struct si476x_core *core) | |
189 | { | |
190 | mutex_unlock(&core->cmd_lock); | |
191 | } | |
192 | ||
193 | /* *_TUNE_FREQ family of commands accept frequency in multiples of | |
194 | 10kHz */ | |
195 | static inline u16 hz_to_si476x(struct si476x_core *core, int freq) | |
196 | { | |
197 | u16 result; | |
198 | ||
199 | switch (core->power_up_parameters.func) { | |
200 | default: | |
201 | case SI476X_FUNC_FM_RECEIVER: | |
202 | result = freq / 10000; | |
203 | break; | |
204 | case SI476X_FUNC_AM_RECEIVER: | |
205 | result = freq / 1000; | |
206 | break; | |
207 | } | |
208 | ||
209 | return result; | |
210 | } | |
211 | ||
212 | static inline int si476x_to_hz(struct si476x_core *core, u16 freq) | |
213 | { | |
214 | int result; | |
215 | ||
216 | switch (core->power_up_parameters.func) { | |
217 | default: | |
218 | case SI476X_FUNC_FM_RECEIVER: | |
219 | result = freq * 10000; | |
220 | break; | |
221 | case SI476X_FUNC_AM_RECEIVER: | |
222 | result = freq * 1000; | |
223 | break; | |
224 | } | |
225 | ||
226 | return result; | |
227 | } | |
228 | ||
229 | /* Since the V4L2_TUNER_CAP_LOW flag is supplied, V4L2 subsystem | |
230 | * mesures frequency in 62.5 Hz units */ | |
231 | ||
232 | static inline int hz_to_v4l2(int freq) | |
233 | { | |
234 | return (freq * 10) / 625; | |
235 | } | |
236 | ||
237 | static inline int v4l2_to_hz(int freq) | |
238 | { | |
239 | return (freq * 625) / 10; | |
240 | } | |
241 | ||
242 | static inline u16 v4l2_to_si476x(struct si476x_core *core, int freq) | |
243 | { | |
244 | return hz_to_si476x(core, v4l2_to_hz(freq)); | |
245 | } | |
246 | ||
247 | static inline int si476x_to_v4l2(struct si476x_core *core, u16 freq) | |
248 | { | |
249 | return hz_to_v4l2(si476x_to_hz(core, freq)); | |
250 | } | |
251 | ||
252 | ||
253 | ||
254 | /** | |
255 | * struct si476x_func_info - structure containing result of the | |
256 | * FUNC_INFO command. | |
257 | * | |
258 | * @firmware.major: Firmware major number. | |
259 | * @firmware.minor[...]: Firmware minor numbers. | |
260 | * @patch_id: | |
261 | * @func: Mode tuner is working in. | |
262 | */ | |
263 | struct si476x_func_info { | |
264 | struct { | |
265 | u8 major, minor[2]; | |
266 | } firmware; | |
267 | u16 patch_id; | |
268 | enum si476x_func func; | |
269 | }; | |
270 | ||
271 | /** | |
272 | * struct si476x_power_down_args - structure used to pass parameters | |
273 | * to POWER_DOWN command | |
274 | * | |
275 | * @xosc: true - Power down, but leav oscillator running. | |
276 | * false - Full power down. | |
277 | */ | |
278 | struct si476x_power_down_args { | |
279 | bool xosc; | |
280 | }; | |
281 | ||
282 | /** | |
283 | * enum si476x_tunemode - enum representing possible tune modes for | |
284 | * the chip. | |
285 | * @SI476X_TM_VALIDATED_NORMAL_TUNE: Unconditionally stay on the new | |
286 | * channel after tune, tune status is valid. | |
287 | * @SI476X_TM_INVALIDATED_FAST_TUNE: Unconditionally stay in the new | |
288 | * channel after tune, tune status invalid. | |
289 | * @SI476X_TM_VALIDATED_AF_TUNE: Jump back to previous channel if | |
290 | * metric thresholds are not met. | |
291 | * @SI476X_TM_VALIDATED_AF_CHECK: Unconditionally jump back to the | |
292 | * previous channel. | |
293 | */ | |
294 | enum si476x_tunemode { | |
295 | SI476X_TM_VALIDATED_NORMAL_TUNE = 0, | |
296 | SI476X_TM_INVALIDATED_FAST_TUNE = 1, | |
297 | SI476X_TM_VALIDATED_AF_TUNE = 2, | |
298 | SI476X_TM_VALIDATED_AF_CHECK = 3, | |
299 | }; | |
300 | ||
301 | /** | |
302 | * enum si476x_smoothmetrics - enum containing the possible setting fo | |
303 | * audio transitioning of the chip | |
304 | * @SI476X_SM_INITIALIZE_AUDIO: Initialize audio state to match this | |
305 | * new channel | |
306 | * @SI476X_SM_TRANSITION_AUDIO: Transition audio state from previous | |
307 | * channel values to the new values | |
308 | */ | |
309 | enum si476x_smoothmetrics { | |
310 | SI476X_SM_INITIALIZE_AUDIO = 0, | |
311 | SI476X_SM_TRANSITION_AUDIO = 1, | |
312 | }; | |
313 | ||
314 | /** | |
315 | * struct si476x_rds_status_report - the structure representing the | |
316 | * response to 'FM_RD_STATUS' command | |
317 | * @rdstpptyint: Traffic program flag(TP) and/or program type(PTY) | |
318 | * code has changed. | |
319 | * @rdspiint: Program indentifiaction(PI) code has changed. | |
320 | * @rdssyncint: RDS synchronization has changed. | |
321 | * @rdsfifoint: RDS was received and the RDS FIFO has at least | |
322 | * 'FM_RDS_INTERRUPT_FIFO_COUNT' elements in it. | |
323 | * @tpptyvalid: TP flag and PTY code are valid falg. | |
324 | * @pivalid: PI code is valid flag. | |
325 | * @rdssync: RDS is currently synchronized. | |
326 | * @rdsfifolost: On or more RDS groups have been lost/discarded flag. | |
327 | * @tp: Current channel's TP flag. | |
328 | * @pty: Current channel's PTY code. | |
329 | * @pi: Current channel's PI code. | |
330 | * @rdsfifoused: Number of blocks remaining in the RDS FIFO (0 if | |
331 | * empty). | |
332 | */ | |
333 | struct si476x_rds_status_report { | |
334 | bool rdstpptyint, rdspiint, rdssyncint, rdsfifoint; | |
335 | bool tpptyvalid, pivalid, rdssync, rdsfifolost; | |
336 | bool tp; | |
337 | ||
338 | u8 pty; | |
339 | u16 pi; | |
340 | ||
341 | u8 rdsfifoused; | |
342 | u8 ble[4]; | |
343 | ||
344 | struct v4l2_rds_data rds[4]; | |
345 | }; | |
346 | ||
347 | struct si476x_rsq_status_args { | |
348 | bool primary; | |
349 | bool rsqack; | |
350 | bool attune; | |
351 | bool cancel; | |
352 | bool stcack; | |
353 | }; | |
354 | ||
355 | enum si476x_injside { | |
356 | SI476X_INJSIDE_AUTO = 0, | |
357 | SI476X_INJSIDE_LOW = 1, | |
358 | SI476X_INJSIDE_HIGH = 2, | |
359 | }; | |
360 | ||
361 | struct si476x_tune_freq_args { | |
362 | bool zifsr; | |
363 | bool hd; | |
364 | enum si476x_injside injside; | |
365 | int freq; | |
366 | enum si476x_tunemode tunemode; | |
367 | enum si476x_smoothmetrics smoothmetrics; | |
368 | int antcap; | |
369 | }; | |
370 | ||
371 | int si476x_core_stop(struct si476x_core *, bool); | |
372 | int si476x_core_start(struct si476x_core *, bool); | |
373 | int si476x_core_set_power_state(struct si476x_core *, enum si476x_power_state); | |
374 | bool si476x_core_has_am(struct si476x_core *); | |
375 | bool si476x_core_has_diversity(struct si476x_core *); | |
376 | bool si476x_core_is_a_secondary_tuner(struct si476x_core *); | |
377 | bool si476x_core_is_a_primary_tuner(struct si476x_core *); | |
378 | bool si476x_core_is_in_am_receiver_mode(struct si476x_core *core); | |
379 | bool si476x_core_is_powered_up(struct si476x_core *core); | |
380 | ||
381 | enum si476x_i2c_type { | |
382 | SI476X_I2C_SEND, | |
383 | SI476X_I2C_RECV | |
384 | }; | |
385 | ||
386 | int si476x_core_i2c_xfer(struct si476x_core *, | |
387 | enum si476x_i2c_type, | |
388 | char *, int); | |
389 | ||
390 | ||
391 | /* -------------------- si476x-cmd.c ----------------------- */ | |
392 | ||
393 | int si476x_core_cmd_func_info(struct si476x_core *, struct si476x_func_info *); | |
394 | int si476x_core_cmd_set_property(struct si476x_core *, u16, u16); | |
395 | int si476x_core_cmd_get_property(struct si476x_core *, u16); | |
396 | int si476x_core_cmd_dig_audio_pin_cfg(struct si476x_core *, | |
397 | enum si476x_dclk_config, | |
398 | enum si476x_dfs_config, | |
399 | enum si476x_dout_config, | |
400 | enum si476x_xout_config); | |
401 | int si476x_core_cmd_zif_pin_cfg(struct si476x_core *, | |
402 | enum si476x_iqclk_config, | |
403 | enum si476x_iqfs_config, | |
404 | enum si476x_iout_config, | |
405 | enum si476x_qout_config); | |
406 | int si476x_core_cmd_ic_link_gpo_ctl_pin_cfg(struct si476x_core *, | |
407 | enum si476x_icin_config, | |
408 | enum si476x_icip_config, | |
409 | enum si476x_icon_config, | |
410 | enum si476x_icop_config); | |
411 | int si476x_core_cmd_ana_audio_pin_cfg(struct si476x_core *, | |
412 | enum si476x_lrout_config); | |
413 | int si476x_core_cmd_intb_pin_cfg(struct si476x_core *, enum si476x_intb_config, | |
414 | enum si476x_a1_config); | |
415 | int si476x_core_cmd_fm_seek_start(struct si476x_core *, bool, bool); | |
416 | int si476x_core_cmd_am_seek_start(struct si476x_core *, bool, bool); | |
417 | int si476x_core_cmd_fm_rds_status(struct si476x_core *, bool, bool, bool, | |
418 | struct si476x_rds_status_report *); | |
419 | int si476x_core_cmd_fm_rds_blockcount(struct si476x_core *, bool, | |
420 | struct si476x_rds_blockcount_report *); | |
421 | int si476x_core_cmd_fm_tune_freq(struct si476x_core *, | |
422 | struct si476x_tune_freq_args *); | |
423 | int si476x_core_cmd_am_tune_freq(struct si476x_core *, | |
424 | struct si476x_tune_freq_args *); | |
425 | int si476x_core_cmd_am_rsq_status(struct si476x_core *, | |
426 | struct si476x_rsq_status_args *, | |
427 | struct si476x_rsq_status_report *); | |
428 | int si476x_core_cmd_fm_rsq_status(struct si476x_core *, | |
429 | struct si476x_rsq_status_args *, | |
430 | struct si476x_rsq_status_report *); | |
431 | int si476x_core_cmd_power_up(struct si476x_core *, | |
432 | struct si476x_power_up_args *); | |
433 | int si476x_core_cmd_power_down(struct si476x_core *, | |
434 | struct si476x_power_down_args *); | |
435 | int si476x_core_cmd_fm_phase_div_status(struct si476x_core *); | |
436 | int si476x_core_cmd_fm_phase_diversity(struct si476x_core *, | |
437 | enum si476x_phase_diversity_mode); | |
438 | ||
439 | int si476x_core_cmd_fm_acf_status(struct si476x_core *, | |
440 | struct si476x_acf_status_report *); | |
441 | int si476x_core_cmd_am_acf_status(struct si476x_core *, | |
442 | struct si476x_acf_status_report *); | |
443 | int si476x_core_cmd_agc_status(struct si476x_core *, | |
444 | struct si476x_agc_status_report *); | |
445 | ||
446 | enum si476x_power_grid_type { | |
447 | SI476X_POWER_GRID_50HZ = 0, | |
448 | SI476X_POWER_GRID_60HZ, | |
449 | }; | |
450 | ||
451 | /* Properties */ | |
452 | ||
453 | enum si476x_interrupt_flags { | |
454 | SI476X_STCIEN = (1 << 0), | |
455 | SI476X_ACFIEN = (1 << 1), | |
456 | SI476X_RDSIEN = (1 << 2), | |
457 | SI476X_RSQIEN = (1 << 3), | |
458 | ||
459 | SI476X_ERRIEN = (1 << 6), | |
460 | SI476X_CTSIEN = (1 << 7), | |
461 | ||
462 | SI476X_STCREP = (1 << 8), | |
463 | SI476X_ACFREP = (1 << 9), | |
464 | SI476X_RDSREP = (1 << 10), | |
465 | SI476X_RSQREP = (1 << 11), | |
466 | }; | |
467 | ||
468 | enum si476x_rdsint_sources { | |
469 | SI476X_RDSTPPTY = (1 << 4), | |
470 | SI476X_RDSPI = (1 << 3), | |
471 | SI476X_RDSSYNC = (1 << 1), | |
472 | SI476X_RDSRECV = (1 << 0), | |
473 | }; | |
474 | ||
475 | enum si476x_status_response_bits { | |
476 | SI476X_CTS = (1 << 7), | |
477 | SI476X_ERR = (1 << 6), | |
478 | /* Status response for WB receiver */ | |
479 | SI476X_WB_ASQ_INT = (1 << 4), | |
480 | SI476X_RSQ_INT = (1 << 3), | |
481 | /* Status response for FM receiver */ | |
482 | SI476X_FM_RDS_INT = (1 << 2), | |
483 | SI476X_ACF_INT = (1 << 1), | |
484 | SI476X_STC_INT = (1 << 0), | |
485 | }; | |
486 | ||
487 | /* -------------------- si476x-prop.c ----------------------- */ | |
488 | ||
489 | enum si476x_common_receiver_properties { | |
490 | SI476X_PROP_INT_CTL_ENABLE = 0x0000, | |
491 | SI476X_PROP_DIGITAL_IO_INPUT_SAMPLE_RATE = 0x0200, | |
492 | SI476X_PROP_DIGITAL_IO_INPUT_FORMAT = 0x0201, | |
493 | SI476X_PROP_DIGITAL_IO_OUTPUT_SAMPLE_RATE = 0x0202, | |
494 | SI476X_PROP_DIGITAL_IO_OUTPUT_FORMAT = 0x0203, | |
495 | ||
496 | SI476X_PROP_SEEK_BAND_BOTTOM = 0x1100, | |
497 | SI476X_PROP_SEEK_BAND_TOP = 0x1101, | |
498 | SI476X_PROP_SEEK_FREQUENCY_SPACING = 0x1102, | |
499 | ||
500 | SI476X_PROP_VALID_MAX_TUNE_ERROR = 0x2000, | |
501 | SI476X_PROP_VALID_SNR_THRESHOLD = 0x2003, | |
502 | SI476X_PROP_VALID_RSSI_THRESHOLD = 0x2004, | |
503 | }; | |
504 | ||
505 | enum si476x_am_receiver_properties { | |
506 | SI476X_PROP_AUDIO_PWR_LINE_FILTER = 0x0303, | |
507 | }; | |
508 | ||
509 | enum si476x_fm_receiver_properties { | |
510 | SI476X_PROP_AUDIO_DEEMPHASIS = 0x0302, | |
511 | ||
512 | SI476X_PROP_FM_RDS_INTERRUPT_SOURCE = 0x4000, | |
513 | SI476X_PROP_FM_RDS_INTERRUPT_FIFO_COUNT = 0x4001, | |
514 | SI476X_PROP_FM_RDS_CONFIG = 0x4002, | |
515 | }; | |
516 | ||
517 | enum si476x_prop_audio_pwr_line_filter_bits { | |
99f4c6b6 AM |
518 | SI476X_PROP_PWR_HARMONICS_MASK = 0x001f, |
519 | SI476X_PROP_PWR_GRID_MASK = 0x0100, | |
520 | SI476X_PROP_PWR_ENABLE_MASK = 0x0200, | |
521 | SI476X_PROP_PWR_GRID_50HZ = 0x0000, | |
522 | SI476X_PROP_PWR_GRID_60HZ = 0x0100, | |
9b8e1a5e AS |
523 | }; |
524 | ||
525 | enum si476x_prop_fm_rds_config_bits { | |
526 | SI476X_PROP_RDSEN_MASK = 0x1, | |
527 | SI476X_PROP_RDSEN = 0x1, | |
528 | }; | |
529 | ||
530 | ||
531 | struct regmap *devm_regmap_init_si476x(struct si476x_core *); | |
532 | ||
533 | #endif /* SI476X_CORE_H */ |