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pvrusb2: reduce stack usage pvr2_eeprom_analyze()
[linux/fpc-iii.git] / sound / soc / codecs / rt5514.c
blobf24b7cfd3a89fabab6f3c92d2907931a00e028b7
1 /*
2 * rt5514.c -- RT5514 ALSA SoC audio codec driver
3 *
4 * Copyright 2015 Realtek Semiconductor Corp.
5 * Author: Oder Chiou <oder_chiou@realtek.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12 #include <linux/fs.h>
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/init.h>
16 #include <linux/delay.h>
17 #include <linux/pm.h>
18 #include <linux/regmap.h>
19 #include <linux/i2c.h>
20 #include <linux/platform_device.h>
21 #include <linux/firmware.h>
22 #include <linux/gpio.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/pcm_params.h>
26 #include <sound/soc.h>
27 #include <sound/soc-dapm.h>
28 #include <sound/initval.h>
29 #include <sound/tlv.h>
30
31 #include "rl6231.h"
32 #include "rt5514.h"
33 #if defined(CONFIG_SND_SOC_RT5514_SPI)
34 #include "rt5514-spi.h"
35 #endif
36
37 static const struct reg_sequence rt5514_i2c_patch[] = {
38 {0x1800101c, 0x00000000},
39 {0x18001100, 0x0000031f},
40 {0x18001104, 0x00000007},
41 {0x18001108, 0x00000000},
42 {0x1800110c, 0x00000000},
43 {0x18001110, 0x00000000},
44 {0x18001114, 0x00000001},
45 {0x18001118, 0x00000000},
46 {0x18002f08, 0x00000006},
47 {0x18002f00, 0x00055149},
48 {0x18002f00, 0x0005514b},
49 {0x18002f00, 0x00055149},
50 {0xfafafafa, 0x00000001},
51 {0x18002f10, 0x00000001},
52 {0x18002f10, 0x00000000},
53 {0x18002f10, 0x00000001},
54 {0xfafafafa, 0x00000001},
55 {0x18002000, 0x000010ec},
56 {0xfafafafa, 0x00000000},
57 };
58
59 static const struct reg_sequence rt5514_patch[] = {
60 {RT5514_DIG_IO_CTRL, 0x00000040},
61 {RT5514_CLK_CTRL1, 0x38020041},
62 {RT5514_SRC_CTRL, 0x44000eee},
63 {RT5514_ANA_CTRL_LDO10, 0x00028604},
64 {RT5514_ANA_CTRL_ADCFED, 0x00000800},
65 };
66
67 static const struct reg_default rt5514_reg[] = {
68 {RT5514_RESET, 0x00000000},
69 {RT5514_PWR_ANA1, 0x00808880},
70 {RT5514_PWR_ANA2, 0x00220000},
71 {RT5514_I2S_CTRL1, 0x00000330},
72 {RT5514_I2S_CTRL2, 0x20000000},
73 {RT5514_VAD_CTRL6, 0xc00007d2},
74 {RT5514_EXT_VAD_CTRL, 0x80000080},
75 {RT5514_DIG_IO_CTRL, 0x00000040},
76 {RT5514_PAD_CTRL1, 0x00804000},
77 {RT5514_DMIC_DATA_CTRL, 0x00000005},
78 {RT5514_DIG_SOURCE_CTRL, 0x00000002},
79 {RT5514_SRC_CTRL, 0x44000eee},
80 {RT5514_DOWNFILTER2_CTRL1, 0x0000882f},
81 {RT5514_PLL_SOURCE_CTRL, 0x00000004},
82 {RT5514_CLK_CTRL1, 0x38020041},
83 {RT5514_CLK_CTRL2, 0x00000000},
84 {RT5514_PLL3_CALIB_CTRL1, 0x00400200},
85 {RT5514_PLL3_CALIB_CTRL5, 0x40220012},
86 {RT5514_DELAY_BUF_CTRL1, 0x7fff006a},
87 {RT5514_DELAY_BUF_CTRL3, 0x00000000},
88 {RT5514_DOWNFILTER0_CTRL1, 0x00020c2f},
89 {RT5514_DOWNFILTER0_CTRL2, 0x00020c2f},
90 {RT5514_DOWNFILTER0_CTRL3, 0x00000362},
91 {RT5514_DOWNFILTER1_CTRL1, 0x00020c2f},
92 {RT5514_DOWNFILTER1_CTRL2, 0x00020c2f},
93 {RT5514_DOWNFILTER1_CTRL3, 0x00000362},
94 {RT5514_ANA_CTRL_LDO10, 0x00028604},
95 {RT5514_ANA_CTRL_LDO18_16, 0x02000345},
96 {RT5514_ANA_CTRL_ADC12, 0x0000a2a8},
97 {RT5514_ANA_CTRL_ADC21, 0x00001180},
98 {RT5514_ANA_CTRL_ADC22, 0x0000aaa8},
99 {RT5514_ANA_CTRL_ADC23, 0x00151427},
100 {RT5514_ANA_CTRL_MICBST, 0x00002000},
101 {RT5514_ANA_CTRL_ADCFED, 0x00000800},
102 {RT5514_ANA_CTRL_INBUF, 0x00000143},
103 {RT5514_ANA_CTRL_VREF, 0x00008d50},
104 {RT5514_ANA_CTRL_PLL3, 0x0000000e},
105 {RT5514_ANA_CTRL_PLL1_1, 0x00000000},
106 {RT5514_ANA_CTRL_PLL1_2, 0x00030220},
107 {RT5514_DMIC_LP_CTRL, 0x00000000},
108 {RT5514_MISC_CTRL_DSP, 0x00000000},
109 {RT5514_DSP_CTRL1, 0x00055149},
110 {RT5514_DSP_CTRL3, 0x00000006},
111 {RT5514_DSP_CTRL4, 0x00000001},
112 {RT5514_VENDOR_ID1, 0x00000001},
113 {RT5514_VENDOR_ID2, 0x10ec5514},
114 };
115
116 static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514)
117 {
118 /* Reset */
119 regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec);
120 /* LDO_I_limit */
121 regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604);
122 /* I2C bypass enable */
123 regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001);
124 /* mini-core reset */
125 regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b);
126 regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149);
127 /* I2C bypass disable */
128 regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000);
129 /* PIN config */
130 regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040);
131 /* PLL3(QN)=RCOSC*(10+2) */
132 regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a);
133 /* PLL3 source=RCOSC, fsi=rt_clk */
134 regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b);
135 /* Power on RCOSC, pll3 */
136 regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81);
137 /* DSP clk source = pll3, ENABLE DSP clk */
138 regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005);
139 /* Enable DSP clk auto switch */
140 regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001);
141 /* Reduce DSP power */
142 regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001);
143 }
144
145 static bool rt5514_volatile_register(struct device *dev, unsigned int reg)
146 {
147 switch (reg) {
148 case RT5514_VENDOR_ID1:
149 case RT5514_VENDOR_ID2:
150 return true;
151
152 default:
153 return false;
154 }
155 }
156
157 static bool rt5514_readable_register(struct device *dev, unsigned int reg)
158 {
159 switch (reg) {
160 case RT5514_RESET:
161 case RT5514_PWR_ANA1:
162 case RT5514_PWR_ANA2:
163 case RT5514_I2S_CTRL1:
164 case RT5514_I2S_CTRL2:
165 case RT5514_VAD_CTRL6:
166 case RT5514_EXT_VAD_CTRL:
167 case RT5514_DIG_IO_CTRL:
168 case RT5514_PAD_CTRL1:
169 case RT5514_DMIC_DATA_CTRL:
170 case RT5514_DIG_SOURCE_CTRL:
171 case RT5514_SRC_CTRL:
172 case RT5514_DOWNFILTER2_CTRL1:
173 case RT5514_PLL_SOURCE_CTRL:
174 case RT5514_CLK_CTRL1:
175 case RT5514_CLK_CTRL2:
176 case RT5514_PLL3_CALIB_CTRL1:
177 case RT5514_PLL3_CALIB_CTRL5:
178 case RT5514_DELAY_BUF_CTRL1:
179 case RT5514_DELAY_BUF_CTRL3:
180 case RT5514_DOWNFILTER0_CTRL1:
181 case RT5514_DOWNFILTER0_CTRL2:
182 case RT5514_DOWNFILTER0_CTRL3:
183 case RT5514_DOWNFILTER1_CTRL1:
184 case RT5514_DOWNFILTER1_CTRL2:
185 case RT5514_DOWNFILTER1_CTRL3:
186 case RT5514_ANA_CTRL_LDO10:
187 case RT5514_ANA_CTRL_LDO18_16:
188 case RT5514_ANA_CTRL_ADC12:
189 case RT5514_ANA_CTRL_ADC21:
190 case RT5514_ANA_CTRL_ADC22:
191 case RT5514_ANA_CTRL_ADC23:
192 case RT5514_ANA_CTRL_MICBST:
193 case RT5514_ANA_CTRL_ADCFED:
194 case RT5514_ANA_CTRL_INBUF:
195 case RT5514_ANA_CTRL_VREF:
196 case RT5514_ANA_CTRL_PLL3:
197 case RT5514_ANA_CTRL_PLL1_1:
198 case RT5514_ANA_CTRL_PLL1_2:
199 case RT5514_DMIC_LP_CTRL:
200 case RT5514_MISC_CTRL_DSP:
201 case RT5514_DSP_CTRL1:
202 case RT5514_DSP_CTRL3:
203 case RT5514_DSP_CTRL4:
204 case RT5514_VENDOR_ID1:
205 case RT5514_VENDOR_ID2:
206 return true;
207
208 default:
209 return false;
210 }
211 }
212
213 static bool rt5514_i2c_readable_register(struct device *dev,
214 unsigned int reg)
215 {
216 switch (reg) {
217 case RT5514_DSP_MAPPING | RT5514_RESET:
218 case RT5514_DSP_MAPPING | RT5514_PWR_ANA1:
219 case RT5514_DSP_MAPPING | RT5514_PWR_ANA2:
220 case RT5514_DSP_MAPPING | RT5514_I2S_CTRL1:
221 case RT5514_DSP_MAPPING | RT5514_I2S_CTRL2:
222 case RT5514_DSP_MAPPING | RT5514_VAD_CTRL6:
223 case RT5514_DSP_MAPPING | RT5514_EXT_VAD_CTRL:
224 case RT5514_DSP_MAPPING | RT5514_DIG_IO_CTRL:
225 case RT5514_DSP_MAPPING | RT5514_PAD_CTRL1:
226 case RT5514_DSP_MAPPING | RT5514_DMIC_DATA_CTRL:
227 case RT5514_DSP_MAPPING | RT5514_DIG_SOURCE_CTRL:
228 case RT5514_DSP_MAPPING | RT5514_SRC_CTRL:
229 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER2_CTRL1:
230 case RT5514_DSP_MAPPING | RT5514_PLL_SOURCE_CTRL:
231 case RT5514_DSP_MAPPING | RT5514_CLK_CTRL1:
232 case RT5514_DSP_MAPPING | RT5514_CLK_CTRL2:
233 case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL1:
234 case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5:
235 case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1:
236 case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3:
237 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1:
238 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2:
239 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3:
240 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL1:
241 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL2:
242 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL3:
243 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO10:
244 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO18_16:
245 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC12:
246 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC21:
247 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC22:
248 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC23:
249 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_MICBST:
250 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADCFED:
251 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_INBUF:
252 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_VREF:
253 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL3:
254 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_1:
255 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_2:
256 case RT5514_DSP_MAPPING | RT5514_DMIC_LP_CTRL:
257 case RT5514_DSP_MAPPING | RT5514_MISC_CTRL_DSP:
258 case RT5514_DSP_MAPPING | RT5514_DSP_CTRL1:
259 case RT5514_DSP_MAPPING | RT5514_DSP_CTRL3:
260 case RT5514_DSP_MAPPING | RT5514_DSP_CTRL4:
261 case RT5514_DSP_MAPPING | RT5514_VENDOR_ID1:
262 case RT5514_DSP_MAPPING | RT5514_VENDOR_ID2:
263 return true;
264
265 default:
266 return false;
267 }
268 }
269
270 /* {-3, 0, +3, +4.5, +7.5, +9.5, +12, +14, +17} dB */
271 static const DECLARE_TLV_DB_RANGE(bst_tlv,
272 0, 2, TLV_DB_SCALE_ITEM(-300, 300, 0),
273 3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
274 4, 4, TLV_DB_SCALE_ITEM(750, 0, 0),
275 5, 5, TLV_DB_SCALE_ITEM(950, 0, 0),
276 6, 6, TLV_DB_SCALE_ITEM(1200, 0, 0),
277 7, 7, TLV_DB_SCALE_ITEM(1400, 0, 0),
278 8, 8, TLV_DB_SCALE_ITEM(1700, 0, 0)
279 );
280
281 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0);
282
283 static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol,
284 struct snd_ctl_elem_value *ucontrol)
285 {
286 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
287 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
288
289 ucontrol->value.integer.value[0] = rt5514->dsp_enabled;
290
291 return 0;
292 }
293
294 static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
295 struct snd_ctl_elem_value *ucontrol)
296 {
297 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
298 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
299 struct snd_soc_codec *codec = rt5514->codec;
300 const struct firmware *fw = NULL;
301
302 if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled)
303 return 0;
304
305 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
306 rt5514->dsp_enabled = ucontrol->value.integer.value[0];
307
308 if (rt5514->dsp_enabled) {
309 rt5514_enable_dsp_prepare(rt5514);
310
311 request_firmware(&fw, RT5514_FIRMWARE1, codec->dev);
312 if (fw) {
313 #if defined(CONFIG_SND_SOC_RT5514_SPI)
314 rt5514_spi_burst_write(0x4ff60000, fw->data,
315 ((fw->size/8)+1)*8);
316 #else
317 dev_err(codec->dev, "There is no SPI driver for"
318 " loading the firmware\n");
319 #endif
320 release_firmware(fw);
321 fw = NULL;
322 }
323
324 request_firmware(&fw, RT5514_FIRMWARE2, codec->dev);
325 if (fw) {
326 #if defined(CONFIG_SND_SOC_RT5514_SPI)
327 rt5514_spi_burst_write(0x4ffc0000, fw->data,
328 ((fw->size/8)+1)*8);
329 #else
330 dev_err(codec->dev, "There is no SPI driver for"
331 " loading the firmware\n");
332 #endif
333 release_firmware(fw);
334 fw = NULL;
335 }
336
337 /* DSP run */
338 regmap_write(rt5514->i2c_regmap, 0x18002f00,
339 0x00055148);
340 } else {
341 regmap_multi_reg_write(rt5514->i2c_regmap,
342 rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
343 regcache_mark_dirty(rt5514->regmap);
344 regcache_sync(rt5514->regmap);
345 }
346 }
347
348 return 0;
349 }
350
351 static const struct snd_kcontrol_new rt5514_snd_controls[] = {
352 SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
353 RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
354 SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1,
355 RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
356 adc_vol_tlv),
357 SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
358 RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
359 adc_vol_tlv),
360 SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0,
361 rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put),
362 };
363
364 /* ADC Mixer*/
365 static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = {
366 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1,
367 RT5514_AD_DMIC_MIX_BIT, 1, 1),
368 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1,
369 RT5514_AD_AD_MIX_BIT, 1, 1),
370 };
371
372 static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = {
373 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2,
374 RT5514_AD_DMIC_MIX_BIT, 1, 1),
375 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2,
376 RT5514_AD_AD_MIX_BIT, 1, 1),
377 };
378
379 static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = {
380 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1,
381 RT5514_AD_DMIC_MIX_BIT, 1, 1),
382 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1,
383 RT5514_AD_AD_MIX_BIT, 1, 1),
384 };
385
386 static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = {
387 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2,
388 RT5514_AD_DMIC_MIX_BIT, 1, 1),
389 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2,
390 RT5514_AD_AD_MIX_BIT, 1, 1),
391 };
392
393 /* DMIC Source */
394 static const char * const rt5514_dmic_src[] = {
395 "DMIC1", "DMIC2"
396 };
397
398 static const SOC_ENUM_SINGLE_DECL(
399 rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL,
400 RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
401
402 static const struct snd_kcontrol_new rt5514_sto1_dmic_mux =
403 SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum);
404
405 static const SOC_ENUM_SINGLE_DECL(
406 rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL,
407 RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
408
409 static const struct snd_kcontrol_new rt5514_sto2_dmic_mux =
410 SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum);
411
412 /**
413 * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic.
414 *
415 * @rate: base clock rate.
416 *
417 * Choose divider parameter that gives the highest possible DMIC frequency in
418 * 1MHz - 3MHz range.
419 */
420 static int rt5514_calc_dmic_clk(struct snd_soc_codec *codec, int rate)
421 {
422 int div[] = {2, 3, 4, 8, 12, 16, 24, 32};
423 int i;
424
425 if (rate < 1000000 * div[0]) {
426 pr_warn("Base clock rate %d is too low\n", rate);
427 return -EINVAL;
428 }
429
430 for (i = 0; i < ARRAY_SIZE(div); i++) {
431 /* find divider that gives DMIC frequency below 3.072MHz */
432 if (3072000 * div[i] >= rate)
433 return i;
434 }
435
436 dev_warn(codec->dev, "Base clock rate %d is too high\n", rate);
437 return -EINVAL;
438 }
439
440 static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w,
441 struct snd_kcontrol *kcontrol, int event)
442 {
443 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
444 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
445 int idx;
446
447 idx = rt5514_calc_dmic_clk(codec, rt5514->sysclk);
448 if (idx < 0)
449 dev_err(codec->dev, "Failed to set DMIC clock\n");
450 else
451 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
452 RT5514_CLK_DMIC_OUT_SEL_MASK,
453 idx << RT5514_CLK_DMIC_OUT_SEL_SFT);
454
455 return idx;
456 }
457
458 static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
459 struct snd_soc_dapm_widget *sink)
460 {
461 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
462 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
463
464 if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1)
465 return 1;
466 else
467 return 0;
468 }
469
470 static int rt5514_pre_event(struct snd_soc_dapm_widget *w,
471 struct snd_kcontrol *kcontrol, int event)
472 {
473 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
474 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
475
476 switch (event) {
477 case SND_SOC_DAPM_PRE_PMU:
478 /**
479 * If the DSP is enabled in start of recording, the DSP
480 * should be disabled, and sync back to normal recording
481 * settings to make sure recording properly.
482 */
483 if (rt5514->dsp_enabled) {
484 rt5514->dsp_enabled = 0;
485 regmap_multi_reg_write(rt5514->i2c_regmap,
486 rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
487 regcache_mark_dirty(rt5514->regmap);
488 regcache_sync(rt5514->regmap);
489 }
490 break;
491
492 default:
493 return 0;
494 }
495
496 return 0;
497 }
498
499 static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
500 /* Input Lines */
501 SND_SOC_DAPM_INPUT("DMIC1L"),
502 SND_SOC_DAPM_INPUT("DMIC1R"),
503 SND_SOC_DAPM_INPUT("DMIC2L"),
504 SND_SOC_DAPM_INPUT("DMIC2R"),
505
506 SND_SOC_DAPM_INPUT("AMICL"),
507 SND_SOC_DAPM_INPUT("AMICR"),
508
509 SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
510 SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
511
512 SND_SOC_DAPM_SUPPLY("DMIC CLK", SND_SOC_NOPM, 0, 0,
513 rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
514
515 SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1,
516 RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0),
517
518 SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1,
519 RT5514_POW_LDO18_IN_BIT, 0, NULL, 0),
520 SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1,
521 RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0),
522 SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0,
523 NULL, 0),
524 SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1,
525 RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0),
526 SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1,
527 RT5514_POW_BG_LDO21_BIT, 0, NULL, 0),
528 SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2,
529 RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0),
530 SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0,
531 NULL, 0),
532 SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0,
533 NULL, 0),
534 SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0,
535 NULL, 0),
536 SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0),
537
538
539 SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0,
540 NULL, 0),
541 SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0,
542 NULL, 0),
543 SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0,
544 NULL, 0),
545 SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0,
546 NULL, 0),
547 SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT,
548 0, NULL, 0),
549 SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0),
550
551 SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0,
552 NULL, 0),
553 SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0,
554 NULL, 0),
555 SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0,
556 NULL, 0),
557 SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0,
558 NULL, 0),
559 SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT,
560 0, NULL, 0),
561 SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0),
562
563 SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2,
564 RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0),
565 SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2,
566 RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0),
567 SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0,
568 NULL, 0),
569
570 /* ADC Mux */
571 SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0,
572 &rt5514_sto1_dmic_mux),
573 SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0,
574 &rt5514_sto2_dmic_mux),
575
576 /* ADC Mixer */
577 SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1,
578 RT5514_CLK_AD0_EN_BIT, 0, NULL, 0),
579 SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1,
580 RT5514_CLK_AD1_EN_BIT, 0, NULL, 0),
581
582 SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0,
583 rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)),
584 SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0,
585 rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)),
586 SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0,
587 rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)),
588 SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0,
589 rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)),
590
591 SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1,
592 RT5514_AD_AD_MUTE_BIT, 1),
593 SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2,
594 RT5514_AD_AD_MUTE_BIT, 1),
595 SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1,
596 RT5514_AD_AD_MUTE_BIT, 1),
597 SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2,
598 RT5514_AD_AD_MUTE_BIT, 1),
599
600 /* ADC PGA */
601 SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
602 SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
603
604 /* Audio Interface */
605 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
606
607 SND_SOC_DAPM_PRE("DAPM Pre", rt5514_pre_event),
608 };
609
610 static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
611 { "DMIC1", NULL, "DMIC1L" },
612 { "DMIC1", NULL, "DMIC1R" },
613 { "DMIC2", NULL, "DMIC2L" },
614 { "DMIC2", NULL, "DMIC2R" },
615
616 { "DMIC1L", NULL, "DMIC CLK" },
617 { "DMIC1R", NULL, "DMIC CLK" },
618 { "DMIC2L", NULL, "DMIC CLK" },
619 { "DMIC2R", NULL, "DMIC CLK" },
620
621 { "Stereo1 DMIC Mux", "DMIC1", "DMIC1" },
622 { "Stereo1 DMIC Mux", "DMIC2", "DMIC2" },
623
624 { "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" },
625 { "Sto1 ADC MIXL", "ADC Switch", "AMICL" },
626 { "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" },
627 { "Sto1 ADC MIXR", "ADC Switch", "AMICR" },
628
629 { "ADC Power", NULL, "LDO18 IN" },
630 { "ADC Power", NULL, "LDO18 ADC" },
631 { "ADC Power", NULL, "LDO21" },
632 { "ADC Power", NULL, "BG LDO18 IN" },
633 { "ADC Power", NULL, "BG LDO21" },
634 { "ADC Power", NULL, "BG MBIAS" },
635 { "ADC Power", NULL, "MBIAS" },
636 { "ADC Power", NULL, "VREF2" },
637 { "ADC Power", NULL, "VREF1" },
638
639 { "ADCL Power", NULL, "LDO16L" },
640 { "ADCL Power", NULL, "ADC1L" },
641 { "ADCL Power", NULL, "BSTL2" },
642 { "ADCL Power", NULL, "BSTL" },
643 { "ADCL Power", NULL, "ADCFEDL" },
644
645 { "ADCR Power", NULL, "LDO16R" },
646 { "ADCR Power", NULL, "ADC1R" },
647 { "ADCR Power", NULL, "BSTR2" },
648 { "ADCR Power", NULL, "BSTR" },
649 { "ADCR Power", NULL, "ADCFEDR" },
650
651 { "AMICL", NULL, "ADC CLK" },
652 { "AMICL", NULL, "ADC Power" },
653 { "AMICL", NULL, "ADCL Power" },
654 { "AMICR", NULL, "ADC CLK" },
655 { "AMICR", NULL, "ADC Power" },
656 { "AMICR", NULL, "ADCR Power" },
657
658 { "PLL1 LDO", NULL, "PLL1 LDO ENABLE" },
659 { "PLL1", NULL, "PLL1 LDO" },
660
661 { "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" },
662 { "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" },
663
664 { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" },
665 { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" },
666 { "Stereo1 ADC MIX", NULL, "adc stereo1 filter" },
667 { "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
668
669 { "Stereo2 DMIC Mux", "DMIC1", "DMIC1" },
670 { "Stereo2 DMIC Mux", "DMIC2", "DMIC2" },
671
672 { "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" },
673 { "Sto2 ADC MIXL", "ADC Switch", "AMICL" },
674 { "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" },
675 { "Sto2 ADC MIXR", "ADC Switch", "AMICR" },
676
677 { "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" },
678 { "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" },
679
680 { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" },
681 { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" },
682 { "Stereo2 ADC MIX", NULL, "adc stereo2 filter" },
683 { "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
684
685 { "AIF1TX", NULL, "Stereo1 ADC MIX"},
686 { "AIF1TX", NULL, "Stereo2 ADC MIX"},
687 };
688
689 static int rt5514_hw_params(struct snd_pcm_substream *substream,
690 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
691 {
692 struct snd_soc_codec *codec = dai->codec;
693 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
694 int pre_div, bclk_ms, frame_size;
695 unsigned int val_len = 0;
696
697 rt5514->lrck = params_rate(params);
698 pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck);
699 if (pre_div < 0) {
700 dev_err(codec->dev, "Unsupported clock setting\n");
701 return -EINVAL;
702 }
703
704 frame_size = snd_soc_params_to_frame_size(params);
705 if (frame_size < 0) {
706 dev_err(codec->dev, "Unsupported frame size: %d\n", frame_size);
707 return -EINVAL;
708 }
709
710 bclk_ms = frame_size > 32;
711 rt5514->bclk = rt5514->lrck * (32 << bclk_ms);
712
713 dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
714 rt5514->bclk, rt5514->lrck);
715 dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
716 bclk_ms, pre_div, dai->id);
717
718 switch (params_format(params)) {
719 case SNDRV_PCM_FORMAT_S16_LE:
720 break;
721 case SNDRV_PCM_FORMAT_S20_3LE:
722 val_len = RT5514_I2S_DL_20;
723 break;
724 case SNDRV_PCM_FORMAT_S24_LE:
725 val_len = RT5514_I2S_DL_24;
726 break;
727 case SNDRV_PCM_FORMAT_S8:
728 val_len = RT5514_I2S_DL_8;
729 break;
730 default:
731 return -EINVAL;
732 }
733
734 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK,
735 val_len);
736 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
737 RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK,
738 pre_div << RT5514_CLK_SYS_DIV_OUT_SFT |
739 pre_div << RT5514_SEL_ADC_OSR_SFT);
740
741 return 0;
742 }
743
744 static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
745 {
746 struct snd_soc_codec *codec = dai->codec;
747 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
748 unsigned int reg_val = 0;
749
750 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
751 case SND_SOC_DAIFMT_NB_NF:
752 break;
753
754 case SND_SOC_DAIFMT_NB_IF:
755 reg_val |= RT5514_I2S_LR_INV;
756 break;
757
758 case SND_SOC_DAIFMT_IB_NF:
759 reg_val |= RT5514_I2S_BP_INV;
760 break;
761
762 case SND_SOC_DAIFMT_IB_IF:
763 reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV;
764 break;
765
766 default:
767 return -EINVAL;
768 }
769
770 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
771 case SND_SOC_DAIFMT_I2S:
772 break;
773
774 case SND_SOC_DAIFMT_LEFT_J:
775 reg_val |= RT5514_I2S_DF_LEFT;
776 break;
777
778 case SND_SOC_DAIFMT_DSP_A:
779 reg_val |= RT5514_I2S_DF_PCM_A;
780 break;
781
782 case SND_SOC_DAIFMT_DSP_B:
783 reg_val |= RT5514_I2S_DF_PCM_B;
784 break;
785
786 default:
787 return -EINVAL;
788 }
789
790 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1,
791 RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK,
792 reg_val);
793
794 return 0;
795 }
796
797 static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai,
798 int clk_id, unsigned int freq, int dir)
799 {
800 struct snd_soc_codec *codec = dai->codec;
801 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
802 unsigned int reg_val = 0;
803
804 if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src)
805 return 0;
806
807 switch (clk_id) {
808 case RT5514_SCLK_S_MCLK:
809 reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK;
810 break;
811
812 case RT5514_SCLK_S_PLL1:
813 reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL;
814 break;
815
816 default:
817 dev_err(codec->dev, "Invalid clock id (%d)\n", clk_id);
818 return -EINVAL;
819 }
820
821 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
822 RT5514_CLK_SYS_PRE_SEL_MASK, reg_val);
823
824 rt5514->sysclk = freq;
825 rt5514->sysclk_src = clk_id;
826
827 dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
828
829 return 0;
830 }
831
832 static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
833 unsigned int freq_in, unsigned int freq_out)
834 {
835 struct snd_soc_codec *codec = dai->codec;
836 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
837 struct rl6231_pll_code pll_code;
838 int ret;
839
840 if (!freq_in || !freq_out) {
841 dev_dbg(codec->dev, "PLL disabled\n");
842
843 rt5514->pll_in = 0;
844 rt5514->pll_out = 0;
845 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
846 RT5514_CLK_SYS_PRE_SEL_MASK,
847 RT5514_CLK_SYS_PRE_SEL_MCLK);
848
849 return 0;
850 }
851
852 if (source == rt5514->pll_src && freq_in == rt5514->pll_in &&
853 freq_out == rt5514->pll_out)
854 return 0;
855
856 switch (source) {
857 case RT5514_PLL1_S_MCLK:
858 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
859 RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK);
860 break;
861
862 case RT5514_PLL1_S_BCLK:
863 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
864 RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK);
865 break;
866
867 default:
868 dev_err(codec->dev, "Unknown PLL source %d\n", source);
869 return -EINVAL;
870 }
871
872 ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
873 if (ret < 0) {
874 dev_err(codec->dev, "Unsupport input clock %d\n", freq_in);
875 return ret;
876 }
877
878 dev_dbg(codec->dev, "bypass=%d m=%d n=%d k=%d\n",
879 pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
880 pll_code.n_code, pll_code.k_code);
881
882 regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1,
883 pll_code.k_code << RT5514_PLL_K_SFT |
884 pll_code.n_code << RT5514_PLL_N_SFT |
885 (pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT);
886 regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2,
887 RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT);
888
889 rt5514->pll_in = freq_in;
890 rt5514->pll_out = freq_out;
891 rt5514->pll_src = source;
892
893 return 0;
894 }
895
896 static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
897 unsigned int rx_mask, int slots, int slot_width)
898 {
899 struct snd_soc_codec *codec = dai->codec;
900 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
901 unsigned int val = 0;
902
903 if (rx_mask || tx_mask)
904 val |= RT5514_TDM_MODE;
905
906 if (slots == 4)
907 val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH;
908
909
910 switch (slot_width) {
911 case 20:
912 val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20;
913 break;
914
915 case 24:
916 val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24;
917 break;
918
919 case 32:
920 val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32;
921 break;
922
923 case 16:
924 default:
925 break;
926 }
927
928 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE |
929 RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK |
930 RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK, val);
931
932 return 0;
933 }
934
935 static int rt5514_set_bias_level(struct snd_soc_codec *codec,
936 enum snd_soc_bias_level level)
937 {
938 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
939 int ret;
940
941 switch (level) {
942 case SND_SOC_BIAS_PREPARE:
943 if (IS_ERR(rt5514->mclk))
944 break;
945
946 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON) {
947 clk_disable_unprepare(rt5514->mclk);
948 } else {
949 ret = clk_prepare_enable(rt5514->mclk);
950 if (ret)
951 return ret;
952 }
953 break;
954
955 default:
956 break;
957 }
958
959 return 0;
960 }
961
962 static int rt5514_probe(struct snd_soc_codec *codec)
963 {
964 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
965
966 rt5514->mclk = devm_clk_get(codec->dev, "mclk");
967 if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER)
968 return -EPROBE_DEFER;
969
970 rt5514->codec = codec;
971
972 return 0;
973 }
974
975 static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val)
976 {
977 struct i2c_client *client = context;
978 struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
979
980 regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
981
982 return 0;
983 }
984
985 static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val)
986 {
987 struct i2c_client *client = context;
988 struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
989
990 regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
991
992 return 0;
993 }
994
995 #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000
996 #define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
997 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
998
999 struct snd_soc_dai_ops rt5514_aif_dai_ops = {
1000 .hw_params = rt5514_hw_params,
1001 .set_fmt = rt5514_set_dai_fmt,
1002 .set_sysclk = rt5514_set_dai_sysclk,
1003 .set_pll = rt5514_set_dai_pll,
1004 .set_tdm_slot = rt5514_set_tdm_slot,
1005 };
1006
1007 struct snd_soc_dai_driver rt5514_dai[] = {
1008 {
1009 .name = "rt5514-aif1",
1010 .id = 0,
1011 .capture = {
1012 .stream_name = "AIF1 Capture",
1013 .channels_min = 1,
1014 .channels_max = 4,
1015 .rates = RT5514_STEREO_RATES,
1016 .formats = RT5514_FORMATS,
1017 },
1018 .ops = &rt5514_aif_dai_ops,
1019 }
1020 };
1021
1022 static struct snd_soc_codec_driver soc_codec_dev_rt5514 = {
1023 .probe = rt5514_probe,
1024 .idle_bias_off = true,
1025 .set_bias_level = rt5514_set_bias_level,
1026 .component_driver = {
1027 .controls = rt5514_snd_controls,
1028 .num_controls = ARRAY_SIZE(rt5514_snd_controls),
1029 .dapm_widgets = rt5514_dapm_widgets,
1030 .num_dapm_widgets = ARRAY_SIZE(rt5514_dapm_widgets),
1031 .dapm_routes = rt5514_dapm_routes,
1032 .num_dapm_routes = ARRAY_SIZE(rt5514_dapm_routes),
1033 },
1034 };
1035
1036 static const struct regmap_config rt5514_i2c_regmap = {
1037 .name = "i2c",
1038 .reg_bits = 32,
1039 .val_bits = 32,
1040
1041 .readable_reg = rt5514_i2c_readable_register,
1042
1043 .cache_type = REGCACHE_NONE,
1044 };
1045
1046 static const struct regmap_config rt5514_regmap = {
1047 .reg_bits = 16,
1048 .val_bits = 32,
1049
1050 .max_register = RT5514_VENDOR_ID2,
1051 .volatile_reg = rt5514_volatile_register,
1052 .readable_reg = rt5514_readable_register,
1053 .reg_read = rt5514_i2c_read,
1054 .reg_write = rt5514_i2c_write,
1055
1056 .cache_type = REGCACHE_RBTREE,
1057 .reg_defaults = rt5514_reg,
1058 .num_reg_defaults = ARRAY_SIZE(rt5514_reg),
1059 .use_single_rw = true,
1060 };
1061
1062 static const struct i2c_device_id rt5514_i2c_id[] = {
1063 { "rt5514", 0 },
1064 { }
1065 };
1066 MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id);
1067
1068 #if defined(CONFIG_OF)
1069 static const struct of_device_id rt5514_of_match[] = {
1070 { .compatible = "realtek,rt5514", },
1071 {},
1072 };
1073 MODULE_DEVICE_TABLE(of, rt5514_of_match);
1074 #endif
1075
1076 static int rt5514_i2c_probe(struct i2c_client *i2c,
1077 const struct i2c_device_id *id)
1078 {
1079 struct rt5514_priv *rt5514;
1080 int ret;
1081 unsigned int val;
1082
1083 rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv),
1084 GFP_KERNEL);
1085 if (rt5514 == NULL)
1086 return -ENOMEM;
1087
1088 i2c_set_clientdata(i2c, rt5514);
1089
1090 rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap);
1091 if (IS_ERR(rt5514->i2c_regmap)) {
1092 ret = PTR_ERR(rt5514->i2c_regmap);
1093 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1094 ret);
1095 return ret;
1096 }
1097
1098 rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap);
1099 if (IS_ERR(rt5514->regmap)) {
1100 ret = PTR_ERR(rt5514->regmap);
1101 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1102 ret);
1103 return ret;
1104 }
1105
1106 regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1107 if (val != RT5514_DEVICE_ID) {
1108 dev_err(&i2c->dev,
1109 "Device with ID register %x is not rt5514\n", val);
1110 return -ENODEV;
1111 }
1112
1113 ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch,
1114 ARRAY_SIZE(rt5514_i2c_patch));
1115 if (ret != 0)
1116 dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",
1117 ret);
1118
1119 ret = regmap_register_patch(rt5514->regmap, rt5514_patch,
1120 ARRAY_SIZE(rt5514_patch));
1121 if (ret != 0)
1122 dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
1123
1124 return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5514,
1125 rt5514_dai, ARRAY_SIZE(rt5514_dai));
1126 }
1127
1128 static int rt5514_i2c_remove(struct i2c_client *i2c)
1129 {
1130 snd_soc_unregister_codec(&i2c->dev);
1131
1132 return 0;
1133 }
1134
1135 struct i2c_driver rt5514_i2c_driver = {
1136 .driver = {
1137 .name = "rt5514",
1138 .of_match_table = of_match_ptr(rt5514_of_match),
1139 },
1140 .probe = rt5514_i2c_probe,
1141 .remove = rt5514_i2c_remove,
1142 .id_table = rt5514_i2c_id,
1143 };
1144 module_i2c_driver(rt5514_i2c_driver);
1145
1146 MODULE_DESCRIPTION("ASoC RT5514 driver");
1147 MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
1148 MODULE_LICENSE("GPL v2");
Linux with added FPC-III support