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/acpi.h>
13 #include <linux/fs.h>
14 #include <linux/module.h>
15 #include <linux/moduleparam.h>
16 #include <linux/init.h>
17 #include <linux/delay.h>
18 #include <linux/pm.h>
19 #include <linux/regmap.h>
20 #include <linux/i2c.h>
21 #include <linux/platform_device.h>
22 #include <linux/firmware.h>
23 #include <linux/gpio.h>
24 #include <sound/core.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/soc.h>
28 #include <sound/soc-dapm.h>
29 #include <sound/initval.h>
30 #include <sound/tlv.h>
31
32 #include "rl6231.h"
33 #include "rt5514.h"
34 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
35 #include "rt5514-spi.h"
36 #endif
37
38 static const struct reg_sequence rt5514_i2c_patch[] = {
39 {0x1800101c, 0x00000000},
40 {0x18001100, 0x0000031f},
41 {0x18001104, 0x00000007},
42 {0x18001108, 0x00000000},
43 {0x1800110c, 0x00000000},
44 {0x18001110, 0x00000000},
45 {0x18001114, 0x00000001},
46 {0x18001118, 0x00000000},
47 {0x18002f08, 0x00000006},
48 {0x18002f00, 0x00055149},
49 {0x18002f00, 0x0005514b},
50 {0x18002f00, 0x00055149},
51 {0xfafafafa, 0x00000001},
52 {0x18002f10, 0x00000001},
53 {0x18002f10, 0x00000000},
54 {0x18002f10, 0x00000001},
55 {0xfafafafa, 0x00000001},
56 {0x18002000, 0x000010ec},
57 {0xfafafafa, 0x00000000},
58 };
59
60 static const struct reg_sequence rt5514_patch[] = {
61 {RT5514_DIG_IO_CTRL, 0x00000040},
62 {RT5514_CLK_CTRL1, 0x38020041},
63 {RT5514_SRC_CTRL, 0x44000eee},
64 {RT5514_ANA_CTRL_LDO10, 0x00028604},
65 {RT5514_ANA_CTRL_ADCFED, 0x00000800},
66 {RT5514_ASRC_IN_CTRL1, 0x00000003},
67 {RT5514_DOWNFILTER0_CTRL3, 0x10000342},
68 {RT5514_DOWNFILTER1_CTRL3, 0x10000342},
69 };
70
71 static const struct reg_default rt5514_reg[] = {
72 {RT5514_RESET, 0x00000000},
73 {RT5514_PWR_ANA1, 0x00808880},
74 {RT5514_PWR_ANA2, 0x00220000},
75 {RT5514_I2S_CTRL1, 0x00000330},
76 {RT5514_I2S_CTRL2, 0x20000000},
77 {RT5514_VAD_CTRL6, 0xc00007d2},
78 {RT5514_EXT_VAD_CTRL, 0x80000080},
79 {RT5514_DIG_IO_CTRL, 0x00000040},
80 {RT5514_PAD_CTRL1, 0x00804000},
81 {RT5514_DMIC_DATA_CTRL, 0x00000005},
82 {RT5514_DIG_SOURCE_CTRL, 0x00000002},
83 {RT5514_SRC_CTRL, 0x44000eee},
84 {RT5514_DOWNFILTER2_CTRL1, 0x0000882f},
85 {RT5514_PLL_SOURCE_CTRL, 0x00000004},
86 {RT5514_CLK_CTRL1, 0x38020041},
87 {RT5514_CLK_CTRL2, 0x00000000},
88 {RT5514_PLL3_CALIB_CTRL1, 0x00400200},
89 {RT5514_PLL3_CALIB_CTRL5, 0x40220012},
90 {RT5514_DELAY_BUF_CTRL1, 0x7fff006a},
91 {RT5514_DELAY_BUF_CTRL3, 0x00000000},
92 {RT5514_ASRC_IN_CTRL1, 0x00000003},
93 {RT5514_DOWNFILTER0_CTRL1, 0x00020c2f},
94 {RT5514_DOWNFILTER0_CTRL2, 0x00020c2f},
95 {RT5514_DOWNFILTER0_CTRL3, 0x10000342},
96 {RT5514_DOWNFILTER1_CTRL1, 0x00020c2f},
97 {RT5514_DOWNFILTER1_CTRL2, 0x00020c2f},
98 {RT5514_DOWNFILTER1_CTRL3, 0x10000342},
99 {RT5514_ANA_CTRL_LDO10, 0x00028604},
100 {RT5514_ANA_CTRL_LDO18_16, 0x02000345},
101 {RT5514_ANA_CTRL_ADC12, 0x0000a2a8},
102 {RT5514_ANA_CTRL_ADC21, 0x00001180},
103 {RT5514_ANA_CTRL_ADC22, 0x0000aaa8},
104 {RT5514_ANA_CTRL_ADC23, 0x00151427},
105 {RT5514_ANA_CTRL_MICBST, 0x00002000},
106 {RT5514_ANA_CTRL_ADCFED, 0x00000800},
107 {RT5514_ANA_CTRL_INBUF, 0x00000143},
108 {RT5514_ANA_CTRL_VREF, 0x00008d50},
109 {RT5514_ANA_CTRL_PLL3, 0x0000000e},
110 {RT5514_ANA_CTRL_PLL1_1, 0x00000000},
111 {RT5514_ANA_CTRL_PLL1_2, 0x00030220},
112 {RT5514_DMIC_LP_CTRL, 0x00000000},
113 {RT5514_MISC_CTRL_DSP, 0x00000000},
114 {RT5514_DSP_CTRL1, 0x00055149},
115 {RT5514_DSP_CTRL3, 0x00000006},
116 {RT5514_DSP_CTRL4, 0x00000001},
117 {RT5514_VENDOR_ID1, 0x00000001},
118 {RT5514_VENDOR_ID2, 0x10ec5514},
119 };
120
rt5514_enable_dsp_prepare(struct rt5514_priv * rt5514)121 static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514)
122 {
123 /* Reset */
124 regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec);
125 /* LDO_I_limit */
126 regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604);
127 /* I2C bypass enable */
128 regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001);
129 /* mini-core reset */
130 regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b);
131 regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149);
132 /* I2C bypass disable */
133 regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000);
134 /* PIN config */
135 regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040);
136 /* PLL3(QN)=RCOSC*(10+2) */
137 regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a);
138 /* PLL3 source=RCOSC, fsi=rt_clk */
139 regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b);
140 /* Power on RCOSC, pll3 */
141 regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81);
142 /* DSP clk source = pll3, ENABLE DSP clk */
143 regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005);
144 /* Enable DSP clk auto switch */
145 regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001);
146 /* Reduce DSP power */
147 regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001);
148 }
149
rt5514_volatile_register(struct device * dev,unsigned int reg)150 static bool rt5514_volatile_register(struct device *dev, unsigned int reg)
151 {
152 switch (reg) {
153 case RT5514_VENDOR_ID1:
154 case RT5514_VENDOR_ID2:
155 return true;
156
157 default:
158 return false;
159 }
160 }
161
rt5514_readable_register(struct device * dev,unsigned int reg)162 static bool rt5514_readable_register(struct device *dev, unsigned int reg)
163 {
164 switch (reg) {
165 case RT5514_RESET:
166 case RT5514_PWR_ANA1:
167 case RT5514_PWR_ANA2:
168 case RT5514_I2S_CTRL1:
169 case RT5514_I2S_CTRL2:
170 case RT5514_VAD_CTRL6:
171 case RT5514_EXT_VAD_CTRL:
172 case RT5514_DIG_IO_CTRL:
173 case RT5514_PAD_CTRL1:
174 case RT5514_DMIC_DATA_CTRL:
175 case RT5514_DIG_SOURCE_CTRL:
176 case RT5514_SRC_CTRL:
177 case RT5514_DOWNFILTER2_CTRL1:
178 case RT5514_PLL_SOURCE_CTRL:
179 case RT5514_CLK_CTRL1:
180 case RT5514_CLK_CTRL2:
181 case RT5514_PLL3_CALIB_CTRL1:
182 case RT5514_PLL3_CALIB_CTRL5:
183 case RT5514_DELAY_BUF_CTRL1:
184 case RT5514_DELAY_BUF_CTRL3:
185 case RT5514_ASRC_IN_CTRL1:
186 case RT5514_DOWNFILTER0_CTRL1:
187 case RT5514_DOWNFILTER0_CTRL2:
188 case RT5514_DOWNFILTER0_CTRL3:
189 case RT5514_DOWNFILTER1_CTRL1:
190 case RT5514_DOWNFILTER1_CTRL2:
191 case RT5514_DOWNFILTER1_CTRL3:
192 case RT5514_ANA_CTRL_LDO10:
193 case RT5514_ANA_CTRL_LDO18_16:
194 case RT5514_ANA_CTRL_ADC12:
195 case RT5514_ANA_CTRL_ADC21:
196 case RT5514_ANA_CTRL_ADC22:
197 case RT5514_ANA_CTRL_ADC23:
198 case RT5514_ANA_CTRL_MICBST:
199 case RT5514_ANA_CTRL_ADCFED:
200 case RT5514_ANA_CTRL_INBUF:
201 case RT5514_ANA_CTRL_VREF:
202 case RT5514_ANA_CTRL_PLL3:
203 case RT5514_ANA_CTRL_PLL1_1:
204 case RT5514_ANA_CTRL_PLL1_2:
205 case RT5514_DMIC_LP_CTRL:
206 case RT5514_MISC_CTRL_DSP:
207 case RT5514_DSP_CTRL1:
208 case RT5514_DSP_CTRL3:
209 case RT5514_DSP_CTRL4:
210 case RT5514_VENDOR_ID1:
211 case RT5514_VENDOR_ID2:
212 return true;
213
214 default:
215 return false;
216 }
217 }
218
rt5514_i2c_readable_register(struct device * dev,unsigned int reg)219 static bool rt5514_i2c_readable_register(struct device *dev,
220 unsigned int reg)
221 {
222 switch (reg) {
223 case RT5514_DSP_MAPPING | RT5514_RESET:
224 case RT5514_DSP_MAPPING | RT5514_PWR_ANA1:
225 case RT5514_DSP_MAPPING | RT5514_PWR_ANA2:
226 case RT5514_DSP_MAPPING | RT5514_I2S_CTRL1:
227 case RT5514_DSP_MAPPING | RT5514_I2S_CTRL2:
228 case RT5514_DSP_MAPPING | RT5514_VAD_CTRL6:
229 case RT5514_DSP_MAPPING | RT5514_EXT_VAD_CTRL:
230 case RT5514_DSP_MAPPING | RT5514_DIG_IO_CTRL:
231 case RT5514_DSP_MAPPING | RT5514_PAD_CTRL1:
232 case RT5514_DSP_MAPPING | RT5514_DMIC_DATA_CTRL:
233 case RT5514_DSP_MAPPING | RT5514_DIG_SOURCE_CTRL:
234 case RT5514_DSP_MAPPING | RT5514_SRC_CTRL:
235 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER2_CTRL1:
236 case RT5514_DSP_MAPPING | RT5514_PLL_SOURCE_CTRL:
237 case RT5514_DSP_MAPPING | RT5514_CLK_CTRL1:
238 case RT5514_DSP_MAPPING | RT5514_CLK_CTRL2:
239 case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL1:
240 case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5:
241 case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1:
242 case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3:
243 case RT5514_DSP_MAPPING | RT5514_ASRC_IN_CTRL1:
244 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1:
245 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2:
246 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3:
247 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL1:
248 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL2:
249 case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL3:
250 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO10:
251 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO18_16:
252 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC12:
253 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC21:
254 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC22:
255 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC23:
256 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_MICBST:
257 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADCFED:
258 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_INBUF:
259 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_VREF:
260 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL3:
261 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_1:
262 case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_2:
263 case RT5514_DSP_MAPPING | RT5514_DMIC_LP_CTRL:
264 case RT5514_DSP_MAPPING | RT5514_MISC_CTRL_DSP:
265 case RT5514_DSP_MAPPING | RT5514_DSP_CTRL1:
266 case RT5514_DSP_MAPPING | RT5514_DSP_CTRL3:
267 case RT5514_DSP_MAPPING | RT5514_DSP_CTRL4:
268 case RT5514_DSP_MAPPING | RT5514_VENDOR_ID1:
269 case RT5514_DSP_MAPPING | RT5514_VENDOR_ID2:
270 return true;
271
272 default:
273 return false;
274 }
275 }
276
277 /* {-3, 0, +3, +4.5, +7.5, +9.5, +12, +14, +17} dB */
278 static const DECLARE_TLV_DB_RANGE(bst_tlv,
279 0, 2, TLV_DB_SCALE_ITEM(-300, 300, 0),
280 3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
281 4, 4, TLV_DB_SCALE_ITEM(750, 0, 0),
282 5, 5, TLV_DB_SCALE_ITEM(950, 0, 0),
283 6, 6, TLV_DB_SCALE_ITEM(1200, 0, 0),
284 7, 7, TLV_DB_SCALE_ITEM(1400, 0, 0),
285 8, 8, TLV_DB_SCALE_ITEM(1700, 0, 0)
286 );
287
288 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0);
289
rt5514_dsp_voice_wake_up_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)290 static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol,
291 struct snd_ctl_elem_value *ucontrol)
292 {
293 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
294 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
295
296 ucontrol->value.integer.value[0] = rt5514->dsp_enabled;
297
298 return 0;
299 }
300
rt5514_dsp_voice_wake_up_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)301 static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
302 struct snd_ctl_elem_value *ucontrol)
303 {
304 struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
305 struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
306 struct snd_soc_codec *codec = rt5514->codec;
307 const struct firmware *fw = NULL;
308
309 if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled)
310 return 0;
311
312 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
313 rt5514->dsp_enabled = ucontrol->value.integer.value[0];
314
315 if (rt5514->dsp_enabled) {
316 rt5514_enable_dsp_prepare(rt5514);
317
318 request_firmware(&fw, RT5514_FIRMWARE1, codec->dev);
319 if (fw) {
320 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
321 rt5514_spi_burst_write(0x4ff60000, fw->data,
322 ((fw->size/8)+1)*8);
323 #else
324 dev_err(codec->dev, "There is no SPI driver for"
325 " loading the firmware\n");
326 #endif
327 release_firmware(fw);
328 fw = NULL;
329 }
330
331 request_firmware(&fw, RT5514_FIRMWARE2, codec->dev);
332 if (fw) {
333 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
334 rt5514_spi_burst_write(0x4ffc0000, fw->data,
335 ((fw->size/8)+1)*8);
336 #else
337 dev_err(codec->dev, "There is no SPI driver for"
338 " loading the firmware\n");
339 #endif
340 release_firmware(fw);
341 fw = NULL;
342 }
343
344 /* DSP run */
345 regmap_write(rt5514->i2c_regmap, 0x18002f00,
346 0x00055148);
347 } else {
348 regmap_multi_reg_write(rt5514->i2c_regmap,
349 rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
350 regcache_mark_dirty(rt5514->regmap);
351 regcache_sync(rt5514->regmap);
352 }
353 }
354
355 return 0;
356 }
357
358 static const struct snd_kcontrol_new rt5514_snd_controls[] = {
359 SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
360 RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
361 SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1,
362 RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
363 adc_vol_tlv),
364 SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
365 RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
366 adc_vol_tlv),
367 SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0,
368 rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put),
369 };
370
371 /* ADC Mixer*/
372 static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = {
373 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1,
374 RT5514_AD_DMIC_MIX_BIT, 1, 1),
375 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1,
376 RT5514_AD_AD_MIX_BIT, 1, 1),
377 };
378
379 static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = {
380 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2,
381 RT5514_AD_DMIC_MIX_BIT, 1, 1),
382 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2,
383 RT5514_AD_AD_MIX_BIT, 1, 1),
384 };
385
386 static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = {
387 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1,
388 RT5514_AD_DMIC_MIX_BIT, 1, 1),
389 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1,
390 RT5514_AD_AD_MIX_BIT, 1, 1),
391 };
392
393 static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = {
394 SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2,
395 RT5514_AD_DMIC_MIX_BIT, 1, 1),
396 SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2,
397 RT5514_AD_AD_MIX_BIT, 1, 1),
398 };
399
400 /* DMIC Source */
401 static const char * const rt5514_dmic_src[] = {
402 "DMIC1", "DMIC2"
403 };
404
405 static SOC_ENUM_SINGLE_DECL(
406 rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL,
407 RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
408
409 static const struct snd_kcontrol_new rt5514_sto1_dmic_mux =
410 SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum);
411
412 static SOC_ENUM_SINGLE_DECL(
413 rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL,
414 RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
415
416 static const struct snd_kcontrol_new rt5514_sto2_dmic_mux =
417 SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum);
418
419 /**
420 * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic.
421 *
422 * @rate: base clock rate.
423 *
424 * Choose divider parameter that gives the highest possible DMIC frequency in
425 * 1MHz - 3MHz range.
426 */
rt5514_calc_dmic_clk(struct snd_soc_codec * codec,int rate)427 static int rt5514_calc_dmic_clk(struct snd_soc_codec *codec, int rate)
428 {
429 int div[] = {2, 3, 4, 8, 12, 16, 24, 32};
430 int i;
431
432 if (rate < 1000000 * div[0]) {
433 pr_warn("Base clock rate %d is too low\n", rate);
434 return -EINVAL;
435 }
436
437 for (i = 0; i < ARRAY_SIZE(div); i++) {
438 /* find divider that gives DMIC frequency below 3.072MHz */
439 if (3072000 * div[i] >= rate)
440 return i;
441 }
442
443 dev_warn(codec->dev, "Base clock rate %d is too high\n", rate);
444 return -EINVAL;
445 }
446
rt5514_set_dmic_clk(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)447 static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w,
448 struct snd_kcontrol *kcontrol, int event)
449 {
450 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
451 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
452 int idx;
453
454 idx = rt5514_calc_dmic_clk(codec, rt5514->sysclk);
455 if (idx < 0)
456 dev_err(codec->dev, "Failed to set DMIC clock\n");
457 else
458 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
459 RT5514_CLK_DMIC_OUT_SEL_MASK,
460 idx << RT5514_CLK_DMIC_OUT_SEL_SFT);
461
462 if (rt5514->pdata.dmic_init_delay)
463 msleep(rt5514->pdata.dmic_init_delay);
464
465 return idx;
466 }
467
rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)468 static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
469 struct snd_soc_dapm_widget *sink)
470 {
471 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
472 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
473
474 if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1)
475 return 1;
476 else
477 return 0;
478 }
479
rt5514_i2s_use_asrc(struct snd_soc_dapm_widget * source,struct snd_soc_dapm_widget * sink)480 static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source,
481 struct snd_soc_dapm_widget *sink)
482 {
483 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
484 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
485
486 return (rt5514->sysclk > rt5514->lrck * 384);
487 }
488
489 static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
490 /* Input Lines */
491 SND_SOC_DAPM_INPUT("DMIC1L"),
492 SND_SOC_DAPM_INPUT("DMIC1R"),
493 SND_SOC_DAPM_INPUT("DMIC2L"),
494 SND_SOC_DAPM_INPUT("DMIC2R"),
495
496 SND_SOC_DAPM_INPUT("AMICL"),
497 SND_SOC_DAPM_INPUT("AMICR"),
498
499 SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
500 SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
501
502 SND_SOC_DAPM_SUPPLY("DMIC CLK", SND_SOC_NOPM, 0, 0,
503 rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
504
505 SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1,
506 RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0),
507
508 SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1,
509 RT5514_POW_LDO18_IN_BIT, 0, NULL, 0),
510 SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1,
511 RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0),
512 SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0,
513 NULL, 0),
514 SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1,
515 RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0),
516 SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1,
517 RT5514_POW_BG_LDO21_BIT, 0, NULL, 0),
518 SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2,
519 RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0),
520 SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0,
521 NULL, 0),
522 SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0,
523 NULL, 0),
524 SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0,
525 NULL, 0),
526 SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0),
527
528
529 SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0,
530 NULL, 0),
531 SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0,
532 NULL, 0),
533 SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0,
534 NULL, 0),
535 SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0,
536 NULL, 0),
537 SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT,
538 0, NULL, 0),
539 SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0),
540
541 SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0,
542 NULL, 0),
543 SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0,
544 NULL, 0),
545 SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0,
546 NULL, 0),
547 SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0,
548 NULL, 0),
549 SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT,
550 0, NULL, 0),
551 SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0),
552
553 SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2,
554 RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0),
555 SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2,
556 RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0),
557 SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0,
558 NULL, 0),
559 SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2,
560 RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0),
561 SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2,
562 RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0),
563
564 /* ADC Mux */
565 SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0,
566 &rt5514_sto1_dmic_mux),
567 SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0,
568 &rt5514_sto2_dmic_mux),
569
570 /* ADC Mixer */
571 SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1,
572 RT5514_CLK_AD0_EN_BIT, 0, NULL, 0),
573 SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1,
574 RT5514_CLK_AD1_EN_BIT, 0, NULL, 0),
575
576 SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0,
577 rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)),
578 SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0,
579 rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)),
580 SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0,
581 rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)),
582 SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0,
583 rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)),
584
585 SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1,
586 RT5514_AD_AD_MUTE_BIT, 1),
587 SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2,
588 RT5514_AD_AD_MUTE_BIT, 1),
589 SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1,
590 RT5514_AD_AD_MUTE_BIT, 1),
591 SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2,
592 RT5514_AD_AD_MUTE_BIT, 1),
593
594 /* ADC PGA */
595 SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
596 SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
597
598 /* Audio Interface */
599 SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
600 };
601
602 static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
603 { "DMIC1", NULL, "DMIC1L" },
604 { "DMIC1", NULL, "DMIC1R" },
605 { "DMIC2", NULL, "DMIC2L" },
606 { "DMIC2", NULL, "DMIC2R" },
607
608 { "DMIC1L", NULL, "DMIC CLK" },
609 { "DMIC1R", NULL, "DMIC CLK" },
610 { "DMIC2L", NULL, "DMIC CLK" },
611 { "DMIC2R", NULL, "DMIC CLK" },
612
613 { "Stereo1 DMIC Mux", "DMIC1", "DMIC1" },
614 { "Stereo1 DMIC Mux", "DMIC2", "DMIC2" },
615
616 { "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" },
617 { "Sto1 ADC MIXL", "ADC Switch", "AMICL" },
618 { "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" },
619 { "Sto1 ADC MIXR", "ADC Switch", "AMICR" },
620
621 { "ADC Power", NULL, "LDO18 IN" },
622 { "ADC Power", NULL, "LDO18 ADC" },
623 { "ADC Power", NULL, "LDO21" },
624 { "ADC Power", NULL, "BG LDO18 IN" },
625 { "ADC Power", NULL, "BG LDO21" },
626 { "ADC Power", NULL, "BG MBIAS" },
627 { "ADC Power", NULL, "MBIAS" },
628 { "ADC Power", NULL, "VREF2" },
629 { "ADC Power", NULL, "VREF1" },
630
631 { "ADCL Power", NULL, "LDO16L" },
632 { "ADCL Power", NULL, "ADC1L" },
633 { "ADCL Power", NULL, "BSTL2" },
634 { "ADCL Power", NULL, "BSTL" },
635 { "ADCL Power", NULL, "ADCFEDL" },
636
637 { "ADCR Power", NULL, "LDO16R" },
638 { "ADCR Power", NULL, "ADC1R" },
639 { "ADCR Power", NULL, "BSTR2" },
640 { "ADCR Power", NULL, "BSTR" },
641 { "ADCR Power", NULL, "ADCFEDR" },
642
643 { "AMICL", NULL, "ADC CLK" },
644 { "AMICL", NULL, "ADC Power" },
645 { "AMICL", NULL, "ADCL Power" },
646 { "AMICR", NULL, "ADC CLK" },
647 { "AMICR", NULL, "ADC Power" },
648 { "AMICR", NULL, "ADCR Power" },
649
650 { "PLL1 LDO", NULL, "PLL1 LDO ENABLE" },
651 { "PLL1", NULL, "PLL1 LDO" },
652
653 { "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" },
654 { "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" },
655
656 { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" },
657 { "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" },
658 { "Stereo1 ADC MIX", NULL, "adc stereo1 filter" },
659 { "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
660 { "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc },
661
662 { "Stereo2 DMIC Mux", "DMIC1", "DMIC1" },
663 { "Stereo2 DMIC Mux", "DMIC2", "DMIC2" },
664
665 { "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" },
666 { "Sto2 ADC MIXL", "ADC Switch", "AMICL" },
667 { "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" },
668 { "Sto2 ADC MIXR", "ADC Switch", "AMICR" },
669
670 { "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" },
671 { "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" },
672
673 { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" },
674 { "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" },
675 { "Stereo2 ADC MIX", NULL, "adc stereo2 filter" },
676 { "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
677 { "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc },
678
679 { "AIF1TX", NULL, "Stereo1 ADC MIX"},
680 { "AIF1TX", NULL, "Stereo2 ADC MIX"},
681 };
682
rt5514_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)683 static int rt5514_hw_params(struct snd_pcm_substream *substream,
684 struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
685 {
686 struct snd_soc_codec *codec = dai->codec;
687 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
688 int pre_div, bclk_ms, frame_size;
689 unsigned int val_len = 0;
690
691 rt5514->lrck = params_rate(params);
692 pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck);
693 if (pre_div < 0) {
694 dev_err(codec->dev, "Unsupported clock setting\n");
695 return -EINVAL;
696 }
697
698 frame_size = snd_soc_params_to_frame_size(params);
699 if (frame_size < 0) {
700 dev_err(codec->dev, "Unsupported frame size: %d\n", frame_size);
701 return -EINVAL;
702 }
703
704 bclk_ms = frame_size > 32;
705 rt5514->bclk = rt5514->lrck * (32 << bclk_ms);
706
707 dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
708 rt5514->bclk, rt5514->lrck);
709 dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
710 bclk_ms, pre_div, dai->id);
711
712 switch (params_format(params)) {
713 case SNDRV_PCM_FORMAT_S16_LE:
714 break;
715 case SNDRV_PCM_FORMAT_S20_3LE:
716 val_len = RT5514_I2S_DL_20;
717 break;
718 case SNDRV_PCM_FORMAT_S24_LE:
719 val_len = RT5514_I2S_DL_24;
720 break;
721 case SNDRV_PCM_FORMAT_S8:
722 val_len = RT5514_I2S_DL_8;
723 break;
724 default:
725 return -EINVAL;
726 }
727
728 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK,
729 val_len);
730 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
731 RT5514_CLK_AD_ANA1_SEL_MASK,
732 (pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT);
733 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
734 RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK,
735 pre_div << RT5514_CLK_SYS_DIV_OUT_SFT |
736 pre_div << RT5514_SEL_ADC_OSR_SFT);
737
738 return 0;
739 }
740
rt5514_set_dai_fmt(struct snd_soc_dai * dai,unsigned int fmt)741 static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
742 {
743 struct snd_soc_codec *codec = dai->codec;
744 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
745 unsigned int reg_val = 0;
746
747 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
748 case SND_SOC_DAIFMT_NB_NF:
749 break;
750
751 case SND_SOC_DAIFMT_NB_IF:
752 reg_val |= RT5514_I2S_LR_INV;
753 break;
754
755 case SND_SOC_DAIFMT_IB_NF:
756 reg_val |= RT5514_I2S_BP_INV;
757 break;
758
759 case SND_SOC_DAIFMT_IB_IF:
760 reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV;
761 break;
762
763 default:
764 return -EINVAL;
765 }
766
767 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
768 case SND_SOC_DAIFMT_I2S:
769 break;
770
771 case SND_SOC_DAIFMT_LEFT_J:
772 reg_val |= RT5514_I2S_DF_LEFT;
773 break;
774
775 case SND_SOC_DAIFMT_DSP_A:
776 reg_val |= RT5514_I2S_DF_PCM_A;
777 break;
778
779 case SND_SOC_DAIFMT_DSP_B:
780 reg_val |= RT5514_I2S_DF_PCM_B;
781 break;
782
783 default:
784 return -EINVAL;
785 }
786
787 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1,
788 RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK,
789 reg_val);
790
791 return 0;
792 }
793
rt5514_set_dai_sysclk(struct snd_soc_dai * dai,int clk_id,unsigned int freq,int dir)794 static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai,
795 int clk_id, unsigned int freq, int dir)
796 {
797 struct snd_soc_codec *codec = dai->codec;
798 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
799 unsigned int reg_val = 0;
800
801 if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src)
802 return 0;
803
804 switch (clk_id) {
805 case RT5514_SCLK_S_MCLK:
806 reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK;
807 break;
808
809 case RT5514_SCLK_S_PLL1:
810 reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL;
811 break;
812
813 default:
814 dev_err(codec->dev, "Invalid clock id (%d)\n", clk_id);
815 return -EINVAL;
816 }
817
818 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
819 RT5514_CLK_SYS_PRE_SEL_MASK, reg_val);
820
821 rt5514->sysclk = freq;
822 rt5514->sysclk_src = clk_id;
823
824 dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
825
826 return 0;
827 }
828
rt5514_set_dai_pll(struct snd_soc_dai * dai,int pll_id,int source,unsigned int freq_in,unsigned int freq_out)829 static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
830 unsigned int freq_in, unsigned int freq_out)
831 {
832 struct snd_soc_codec *codec = dai->codec;
833 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
834 struct rl6231_pll_code pll_code;
835 int ret;
836
837 if (!freq_in || !freq_out) {
838 dev_dbg(codec->dev, "PLL disabled\n");
839
840 rt5514->pll_in = 0;
841 rt5514->pll_out = 0;
842 regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
843 RT5514_CLK_SYS_PRE_SEL_MASK,
844 RT5514_CLK_SYS_PRE_SEL_MCLK);
845
846 return 0;
847 }
848
849 if (source == rt5514->pll_src && freq_in == rt5514->pll_in &&
850 freq_out == rt5514->pll_out)
851 return 0;
852
853 switch (source) {
854 case RT5514_PLL1_S_MCLK:
855 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
856 RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK);
857 break;
858
859 case RT5514_PLL1_S_BCLK:
860 regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
861 RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK);
862 break;
863
864 default:
865 dev_err(codec->dev, "Unknown PLL source %d\n", source);
866 return -EINVAL;
867 }
868
869 ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
870 if (ret < 0) {
871 dev_err(codec->dev, "Unsupport input clock %d\n", freq_in);
872 return ret;
873 }
874
875 dev_dbg(codec->dev, "bypass=%d m=%d n=%d k=%d\n",
876 pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
877 pll_code.n_code, pll_code.k_code);
878
879 regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1,
880 pll_code.k_code << RT5514_PLL_K_SFT |
881 pll_code.n_code << RT5514_PLL_N_SFT |
882 (pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT);
883 regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2,
884 RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT);
885
886 rt5514->pll_in = freq_in;
887 rt5514->pll_out = freq_out;
888 rt5514->pll_src = source;
889
890 return 0;
891 }
892
rt5514_set_tdm_slot(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)893 static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
894 unsigned int rx_mask, int slots, int slot_width)
895 {
896 struct snd_soc_codec *codec = dai->codec;
897 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
898 unsigned int val = 0, val2 = 0;
899
900 if (rx_mask || tx_mask)
901 val |= RT5514_TDM_MODE;
902
903 switch (tx_mask) {
904 case 0x3:
905 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
906 RT5514_TDM_DOCKING_START_SLOT0;
907 break;
908
909 case 0x30:
910 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
911 RT5514_TDM_DOCKING_START_SLOT4;
912 break;
913
914 case 0xf:
915 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
916 RT5514_TDM_DOCKING_START_SLOT0;
917 break;
918
919 case 0xf0:
920 val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
921 RT5514_TDM_DOCKING_START_SLOT4;
922 break;
923
924 default:
925 break;
926 }
927
928
929
930 switch (slots) {
931 case 4:
932 val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH;
933 break;
934
935 case 6:
936 val |= RT5514_TDMSLOT_SEL_RX_6CH | RT5514_TDMSLOT_SEL_TX_6CH;
937 break;
938
939 case 8:
940 val |= RT5514_TDMSLOT_SEL_RX_8CH | RT5514_TDMSLOT_SEL_TX_8CH;
941 break;
942
943 case 2:
944 default:
945 break;
946 }
947
948 switch (slot_width) {
949 case 20:
950 val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20;
951 break;
952
953 case 24:
954 val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24;
955 break;
956
957 case 25:
958 val |= RT5514_TDM_MODE2;
959 break;
960
961 case 32:
962 val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32;
963 break;
964
965 case 16:
966 default:
967 break;
968 }
969
970 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE |
971 RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK |
972 RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK |
973 RT5514_TDM_MODE2, val);
974
975 regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL2,
976 RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH_MASK |
977 RT5514_TDM_DOCKING_START_MASK, val2);
978
979 return 0;
980 }
981
rt5514_set_bias_level(struct snd_soc_codec * codec,enum snd_soc_bias_level level)982 static int rt5514_set_bias_level(struct snd_soc_codec *codec,
983 enum snd_soc_bias_level level)
984 {
985 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
986 int ret;
987
988 switch (level) {
989 case SND_SOC_BIAS_PREPARE:
990 if (IS_ERR(rt5514->mclk))
991 break;
992
993 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_ON) {
994 clk_disable_unprepare(rt5514->mclk);
995 } else {
996 ret = clk_prepare_enable(rt5514->mclk);
997 if (ret)
998 return ret;
999 }
1000 break;
1001
1002 case SND_SOC_BIAS_STANDBY:
1003 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1004 /*
1005 * If the DSP is enabled in start of recording, the DSP
1006 * should be disabled, and sync back to normal recording
1007 * settings to make sure recording properly.
1008 */
1009 if (rt5514->dsp_enabled) {
1010 rt5514->dsp_enabled = 0;
1011 regmap_multi_reg_write(rt5514->i2c_regmap,
1012 rt5514_i2c_patch,
1013 ARRAY_SIZE(rt5514_i2c_patch));
1014 regcache_mark_dirty(rt5514->regmap);
1015 regcache_sync(rt5514->regmap);
1016 }
1017 }
1018 break;
1019
1020 default:
1021 break;
1022 }
1023
1024 return 0;
1025 }
1026
rt5514_probe(struct snd_soc_codec * codec)1027 static int rt5514_probe(struct snd_soc_codec *codec)
1028 {
1029 struct rt5514_priv *rt5514 = snd_soc_codec_get_drvdata(codec);
1030
1031 rt5514->mclk = devm_clk_get(codec->dev, "mclk");
1032 if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER)
1033 return -EPROBE_DEFER;
1034
1035 rt5514->codec = codec;
1036
1037 return 0;
1038 }
1039
rt5514_i2c_read(void * context,unsigned int reg,unsigned int * val)1040 static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val)
1041 {
1042 struct i2c_client *client = context;
1043 struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1044
1045 regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1046
1047 return 0;
1048 }
1049
rt5514_i2c_write(void * context,unsigned int reg,unsigned int val)1050 static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val)
1051 {
1052 struct i2c_client *client = context;
1053 struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1054
1055 regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1056
1057 return 0;
1058 }
1059
1060 #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000
1061 #define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1062 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1063
1064 static const struct snd_soc_dai_ops rt5514_aif_dai_ops = {
1065 .hw_params = rt5514_hw_params,
1066 .set_fmt = rt5514_set_dai_fmt,
1067 .set_sysclk = rt5514_set_dai_sysclk,
1068 .set_pll = rt5514_set_dai_pll,
1069 .set_tdm_slot = rt5514_set_tdm_slot,
1070 };
1071
1072 static struct snd_soc_dai_driver rt5514_dai[] = {
1073 {
1074 .name = "rt5514-aif1",
1075 .id = 0,
1076 .capture = {
1077 .stream_name = "AIF1 Capture",
1078 .channels_min = 1,
1079 .channels_max = 4,
1080 .rates = RT5514_STEREO_RATES,
1081 .formats = RT5514_FORMATS,
1082 },
1083 .ops = &rt5514_aif_dai_ops,
1084 }
1085 };
1086
1087 static const struct snd_soc_codec_driver soc_codec_dev_rt5514 = {
1088 .probe = rt5514_probe,
1089 .idle_bias_off = true,
1090 .set_bias_level = rt5514_set_bias_level,
1091 .component_driver = {
1092 .controls = rt5514_snd_controls,
1093 .num_controls = ARRAY_SIZE(rt5514_snd_controls),
1094 .dapm_widgets = rt5514_dapm_widgets,
1095 .num_dapm_widgets = ARRAY_SIZE(rt5514_dapm_widgets),
1096 .dapm_routes = rt5514_dapm_routes,
1097 .num_dapm_routes = ARRAY_SIZE(rt5514_dapm_routes),
1098 },
1099 };
1100
1101 static const struct regmap_config rt5514_i2c_regmap = {
1102 .name = "i2c",
1103 .reg_bits = 32,
1104 .val_bits = 32,
1105
1106 .readable_reg = rt5514_i2c_readable_register,
1107
1108 .cache_type = REGCACHE_NONE,
1109 };
1110
1111 static const struct regmap_config rt5514_regmap = {
1112 .reg_bits = 16,
1113 .val_bits = 32,
1114
1115 .max_register = RT5514_VENDOR_ID2,
1116 .volatile_reg = rt5514_volatile_register,
1117 .readable_reg = rt5514_readable_register,
1118 .reg_read = rt5514_i2c_read,
1119 .reg_write = rt5514_i2c_write,
1120
1121 .cache_type = REGCACHE_RBTREE,
1122 .reg_defaults = rt5514_reg,
1123 .num_reg_defaults = ARRAY_SIZE(rt5514_reg),
1124 .use_single_rw = true,
1125 };
1126
1127 static const struct i2c_device_id rt5514_i2c_id[] = {
1128 { "rt5514", 0 },
1129 { }
1130 };
1131 MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id);
1132
1133 #if defined(CONFIG_OF)
1134 static const struct of_device_id rt5514_of_match[] = {
1135 { .compatible = "realtek,rt5514", },
1136 {},
1137 };
1138 MODULE_DEVICE_TABLE(of, rt5514_of_match);
1139 #endif
1140
1141 #ifdef CONFIG_ACPI
1142 static const struct acpi_device_id rt5514_acpi_match[] = {
1143 { "10EC5514", 0},
1144 {},
1145 };
1146 MODULE_DEVICE_TABLE(acpi, rt5514_acpi_match);
1147 #endif
1148
rt5514_parse_dt(struct rt5514_priv * rt5514,struct device * dev)1149 static int rt5514_parse_dt(struct rt5514_priv *rt5514, struct device *dev)
1150 {
1151 device_property_read_u32(dev, "realtek,dmic-init-delay-ms",
1152 &rt5514->pdata.dmic_init_delay);
1153
1154 return 0;
1155 }
1156
rt5514_i2c_resume(struct device * dev)1157 static __maybe_unused int rt5514_i2c_resume(struct device *dev)
1158 {
1159 struct rt5514_priv *rt5514 = dev_get_drvdata(dev);
1160 unsigned int val;
1161
1162 /*
1163 * Add a bogus read to avoid rt5514's confusion after s2r in case it
1164 * saw glitches on the i2c lines and thought the other side sent a
1165 * start bit.
1166 */
1167 regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1168
1169 return 0;
1170 }
1171
rt5514_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)1172 static int rt5514_i2c_probe(struct i2c_client *i2c,
1173 const struct i2c_device_id *id)
1174 {
1175 struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev);
1176 struct rt5514_priv *rt5514;
1177 int ret;
1178 unsigned int val = ~0;
1179
1180 rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv),
1181 GFP_KERNEL);
1182 if (rt5514 == NULL)
1183 return -ENOMEM;
1184
1185 i2c_set_clientdata(i2c, rt5514);
1186
1187 if (pdata)
1188 rt5514->pdata = *pdata;
1189 else if (i2c->dev.of_node)
1190 rt5514_parse_dt(rt5514, &i2c->dev);
1191
1192 rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap);
1193 if (IS_ERR(rt5514->i2c_regmap)) {
1194 ret = PTR_ERR(rt5514->i2c_regmap);
1195 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1196 ret);
1197 return ret;
1198 }
1199
1200 rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap);
1201 if (IS_ERR(rt5514->regmap)) {
1202 ret = PTR_ERR(rt5514->regmap);
1203 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1204 ret);
1205 return ret;
1206 }
1207
1208 /*
1209 * The rt5514 can get confused if the i2c lines glitch together, as
1210 * can happen at bootup as regulators are turned off and on. If it's
1211 * in this glitched state the first i2c read will fail, so we'll give
1212 * it one change to retry.
1213 */
1214 ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1215 if (ret || val != RT5514_DEVICE_ID)
1216 ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1217 if (ret || val != RT5514_DEVICE_ID) {
1218 dev_err(&i2c->dev,
1219 "Device with ID register %x is not rt5514\n", val);
1220 return -ENODEV;
1221 }
1222
1223 ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch,
1224 ARRAY_SIZE(rt5514_i2c_patch));
1225 if (ret != 0)
1226 dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",
1227 ret);
1228
1229 ret = regmap_register_patch(rt5514->regmap, rt5514_patch,
1230 ARRAY_SIZE(rt5514_patch));
1231 if (ret != 0)
1232 dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
1233
1234 return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt5514,
1235 rt5514_dai, ARRAY_SIZE(rt5514_dai));
1236 }
1237
rt5514_i2c_remove(struct i2c_client * i2c)1238 static int rt5514_i2c_remove(struct i2c_client *i2c)
1239 {
1240 snd_soc_unregister_codec(&i2c->dev);
1241
1242 return 0;
1243 }
1244
1245 static const struct dev_pm_ops rt5514_i2_pm_ops = {
1246 SET_SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume)
1247 };
1248
1249 static struct i2c_driver rt5514_i2c_driver = {
1250 .driver = {
1251 .name = "rt5514",
1252 .acpi_match_table = ACPI_PTR(rt5514_acpi_match),
1253 .of_match_table = of_match_ptr(rt5514_of_match),
1254 .pm = &rt5514_i2_pm_ops,
1255 },
1256 .probe = rt5514_i2c_probe,
1257 .remove = rt5514_i2c_remove,
1258 .id_table = rt5514_i2c_id,
1259 };
1260 module_i2c_driver(rt5514_i2c_driver);
1261
1262 MODULE_DESCRIPTION("ASoC RT5514 driver");
1263 MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
1264 MODULE_LICENSE("GPL v2");
1265