xref: /openbmc/linux/sound/soc/codecs/rt5514.c (revision 2874c5fd)
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 
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 
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 
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 
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 
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 
301 static int rt5514_calibration(struct rt5514_priv *rt5514, bool on)
302 {
303 	if (on) {
304 		regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL3, 0x0000000a);
305 		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf,
306 			0xa);
307 		regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301,
308 			0x301);
309 		regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL4,
310 			0x80000000 | rt5514->pll3_cal_value);
311 		regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL1,
312 			0x8bb80800);
313 		regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
314 			0xc0000000, 0x80000000);
315 		regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
316 			0xc0000000, 0xc0000000);
317 	} else {
318 		regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
319 			0xc0000000, 0x40000000);
320 		regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301, 0);
321 		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf,
322 			0x4);
323 	}
324 
325 	return 0;
326 }
327 
328 static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
329 		struct snd_ctl_elem_value *ucontrol)
330 {
331 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
332 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
333 	const struct firmware *fw = NULL;
334 	u8 buf[8];
335 
336 	if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled)
337 		return 0;
338 
339 	if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
340 		rt5514->dsp_enabled = ucontrol->value.integer.value[0];
341 
342 		if (rt5514->dsp_enabled) {
343 			if (rt5514->pdata.dsp_calib_clk_name &&
344 				!IS_ERR(rt5514->dsp_calib_clk)) {
345 				if (clk_set_rate(rt5514->dsp_calib_clk,
346 					rt5514->pdata.dsp_calib_clk_rate))
347 					dev_err(component->dev,
348 						"Can't set rate for mclk");
349 
350 				if (clk_prepare_enable(rt5514->dsp_calib_clk))
351 					dev_err(component->dev,
352 						"Can't enable dsp_calib_clk");
353 
354 				rt5514_calibration(rt5514, true);
355 
356 				msleep(20);
357 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
358 				rt5514_spi_burst_read(RT5514_PLL3_CALIB_CTRL6 |
359 					RT5514_DSP_MAPPING, buf, sizeof(buf));
360 #else
361 				dev_err(component->dev, "There is no SPI driver for"
362 					" loading the firmware\n");
363 				memset(buf, 0, sizeof(buf));
364 #endif
365 				rt5514->pll3_cal_value = buf[0] | buf[1] << 8 |
366 					buf[2] << 16 | buf[3] << 24;
367 
368 				rt5514_calibration(rt5514, false);
369 				clk_disable_unprepare(rt5514->dsp_calib_clk);
370 			}
371 
372 			rt5514_enable_dsp_prepare(rt5514);
373 
374 			request_firmware(&fw, RT5514_FIRMWARE1, component->dev);
375 			if (fw) {
376 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
377 				rt5514_spi_burst_write(0x4ff60000, fw->data,
378 					((fw->size/8)+1)*8);
379 #else
380 				dev_err(component->dev, "There is no SPI driver for"
381 					" loading the firmware\n");
382 #endif
383 				release_firmware(fw);
384 				fw = NULL;
385 			}
386 
387 			request_firmware(&fw, RT5514_FIRMWARE2, component->dev);
388 			if (fw) {
389 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
390 				rt5514_spi_burst_write(0x4ffc0000, fw->data,
391 					((fw->size/8)+1)*8);
392 #else
393 				dev_err(component->dev, "There is no SPI driver for"
394 					" loading the firmware\n");
395 #endif
396 				release_firmware(fw);
397 				fw = NULL;
398 			}
399 
400 			/* DSP run */
401 			regmap_write(rt5514->i2c_regmap, 0x18002f00,
402 				0x00055148);
403 
404 			if (rt5514->pdata.dsp_calib_clk_name &&
405 				!IS_ERR(rt5514->dsp_calib_clk)) {
406 				msleep(20);
407 
408 				regmap_write(rt5514->i2c_regmap, 0x1800211c,
409 					rt5514->pll3_cal_value);
410 				regmap_write(rt5514->i2c_regmap, 0x18002124,
411 					0x00220012);
412 				regmap_write(rt5514->i2c_regmap, 0x18002124,
413 					0x80220042);
414 				regmap_write(rt5514->i2c_regmap, 0x18002124,
415 					0xe0220042);
416 			}
417 		} else {
418 			regmap_multi_reg_write(rt5514->i2c_regmap,
419 				rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
420 			regcache_mark_dirty(rt5514->regmap);
421 			regcache_sync(rt5514->regmap);
422 		}
423 	}
424 
425 	return 0;
426 }
427 
428 static const struct snd_kcontrol_new rt5514_snd_controls[] = {
429 	SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
430 		RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
431 	SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1,
432 		RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
433 		adc_vol_tlv),
434 	SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
435 		RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
436 		adc_vol_tlv),
437 	SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0,
438 		rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put),
439 };
440 
441 /* ADC Mixer*/
442 static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = {
443 	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1,
444 		RT5514_AD_DMIC_MIX_BIT, 1, 1),
445 	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1,
446 		RT5514_AD_AD_MIX_BIT, 1, 1),
447 };
448 
449 static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = {
450 	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2,
451 		RT5514_AD_DMIC_MIX_BIT, 1, 1),
452 	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2,
453 		RT5514_AD_AD_MIX_BIT, 1, 1),
454 };
455 
456 static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = {
457 	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1,
458 		RT5514_AD_DMIC_MIX_BIT, 1, 1),
459 	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1,
460 		RT5514_AD_AD_MIX_BIT, 1, 1),
461 };
462 
463 static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = {
464 	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2,
465 		RT5514_AD_DMIC_MIX_BIT, 1, 1),
466 	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2,
467 		RT5514_AD_AD_MIX_BIT, 1, 1),
468 };
469 
470 /* DMIC Source */
471 static const char * const rt5514_dmic_src[] = {
472 	"DMIC1", "DMIC2"
473 };
474 
475 static SOC_ENUM_SINGLE_DECL(
476 	rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL,
477 	RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
478 
479 static const struct snd_kcontrol_new rt5514_sto1_dmic_mux =
480 	SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum);
481 
482 static SOC_ENUM_SINGLE_DECL(
483 	rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL,
484 	RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
485 
486 static const struct snd_kcontrol_new rt5514_sto2_dmic_mux =
487 	SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum);
488 
489 /**
490  * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic.
491  *
492  * @component: only used for dev_warn
493  * @rate: base clock rate.
494  *
495  * Choose divider parameter that gives the highest possible DMIC frequency in
496  * 1MHz - 3MHz range.
497  */
498 static int rt5514_calc_dmic_clk(struct snd_soc_component *component, int rate)
499 {
500 	int div[] = {2, 3, 4, 8, 12, 16, 24, 32};
501 	int i;
502 
503 	if (rate < 1000000 * div[0]) {
504 		pr_warn("Base clock rate %d is too low\n", rate);
505 		return -EINVAL;
506 	}
507 
508 	for (i = 0; i < ARRAY_SIZE(div); i++) {
509 		/* find divider that gives DMIC frequency below 3.072MHz */
510 		if (3072000 * div[i] >= rate)
511 			return i;
512 	}
513 
514 	dev_warn(component->dev, "Base clock rate %d is too high\n", rate);
515 	return -EINVAL;
516 }
517 
518 static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w,
519 	struct snd_kcontrol *kcontrol, int event)
520 {
521 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
522 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
523 	int idx;
524 
525 	idx = rt5514_calc_dmic_clk(component, rt5514->sysclk);
526 	if (idx < 0)
527 		dev_err(component->dev, "Failed to set DMIC clock\n");
528 	else
529 		regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
530 			RT5514_CLK_DMIC_OUT_SEL_MASK,
531 			idx << RT5514_CLK_DMIC_OUT_SEL_SFT);
532 
533 	if (rt5514->pdata.dmic_init_delay)
534 		msleep(rt5514->pdata.dmic_init_delay);
535 
536 	return idx;
537 }
538 
539 static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
540 			 struct snd_soc_dapm_widget *sink)
541 {
542 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
543 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
544 
545 	if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1)
546 		return 1;
547 	else
548 		return 0;
549 }
550 
551 static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source,
552 	struct snd_soc_dapm_widget *sink)
553 {
554 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
555 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
556 
557 	return (rt5514->sysclk > rt5514->lrck * 384);
558 }
559 
560 static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
561 	/* Input Lines */
562 	SND_SOC_DAPM_INPUT("DMIC1L"),
563 	SND_SOC_DAPM_INPUT("DMIC1R"),
564 	SND_SOC_DAPM_INPUT("DMIC2L"),
565 	SND_SOC_DAPM_INPUT("DMIC2R"),
566 
567 	SND_SOC_DAPM_INPUT("AMICL"),
568 	SND_SOC_DAPM_INPUT("AMICR"),
569 
570 	SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
571 	SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
572 
573 	SND_SOC_DAPM_SUPPLY_S("DMIC CLK", 1, SND_SOC_NOPM, 0, 0,
574 		rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
575 
576 	SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1,
577 		RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0),
578 
579 	SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1,
580 		RT5514_POW_LDO18_IN_BIT, 0, NULL, 0),
581 	SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1,
582 		RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0),
583 	SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0,
584 		NULL, 0),
585 	SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1,
586 		RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0),
587 	SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1,
588 		RT5514_POW_BG_LDO21_BIT, 0, NULL, 0),
589 	SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2,
590 		RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0),
591 	SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0,
592 		NULL, 0),
593 	SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0,
594 		NULL, 0),
595 	SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0,
596 		NULL, 0),
597 	SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0),
598 
599 
600 	SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0,
601 		NULL, 0),
602 	SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0,
603 		NULL, 0),
604 	SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0,
605 		NULL, 0),
606 	SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0,
607 		NULL, 0),
608 	SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT,
609 		0, NULL, 0),
610 	SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0),
611 
612 	SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0,
613 		NULL, 0),
614 	SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0,
615 		NULL, 0),
616 	SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0,
617 		NULL, 0),
618 	SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0,
619 		NULL, 0),
620 	SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT,
621 		0, NULL, 0),
622 	SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0),
623 
624 	SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2,
625 		RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0),
626 	SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2,
627 		RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0),
628 	SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0,
629 		NULL, 0),
630 	SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2,
631 		RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0),
632 	SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2,
633 		RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0),
634 
635 	/* ADC Mux */
636 	SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0,
637 				&rt5514_sto1_dmic_mux),
638 	SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0,
639 				&rt5514_sto2_dmic_mux),
640 
641 	/* ADC Mixer */
642 	SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1,
643 		RT5514_CLK_AD0_EN_BIT, 0, NULL, 0),
644 	SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1,
645 		RT5514_CLK_AD1_EN_BIT, 0, NULL, 0),
646 
647 	SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0,
648 		rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)),
649 	SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0,
650 		rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)),
651 	SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0,
652 		rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)),
653 	SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0,
654 		rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)),
655 
656 	SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1,
657 		RT5514_AD_AD_MUTE_BIT, 1),
658 	SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2,
659 		RT5514_AD_AD_MUTE_BIT, 1),
660 	SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1,
661 		RT5514_AD_AD_MUTE_BIT, 1),
662 	SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2,
663 		RT5514_AD_AD_MUTE_BIT, 1),
664 
665 	/* ADC PGA */
666 	SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
667 	SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
668 
669 	/* Audio Interface */
670 	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
671 };
672 
673 static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
674 	{ "DMIC1", NULL, "DMIC1L" },
675 	{ "DMIC1", NULL, "DMIC1R" },
676 	{ "DMIC2", NULL, "DMIC2L" },
677 	{ "DMIC2", NULL, "DMIC2R" },
678 
679 	{ "DMIC1L", NULL, "DMIC CLK" },
680 	{ "DMIC1R", NULL, "DMIC CLK" },
681 	{ "DMIC2L", NULL, "DMIC CLK" },
682 	{ "DMIC2R", NULL, "DMIC CLK" },
683 
684 	{ "Stereo1 DMIC Mux", "DMIC1", "DMIC1" },
685 	{ "Stereo1 DMIC Mux", "DMIC2", "DMIC2" },
686 
687 	{ "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" },
688 	{ "Sto1 ADC MIXL", "ADC Switch", "AMICL" },
689 	{ "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" },
690 	{ "Sto1 ADC MIXR", "ADC Switch", "AMICR" },
691 
692 	{ "ADC Power", NULL, "LDO18 IN" },
693 	{ "ADC Power", NULL, "LDO18 ADC" },
694 	{ "ADC Power", NULL, "LDO21" },
695 	{ "ADC Power", NULL, "BG LDO18 IN" },
696 	{ "ADC Power", NULL, "BG LDO21" },
697 	{ "ADC Power", NULL, "BG MBIAS" },
698 	{ "ADC Power", NULL, "MBIAS" },
699 	{ "ADC Power", NULL, "VREF2" },
700 	{ "ADC Power", NULL, "VREF1" },
701 
702 	{ "ADCL Power", NULL, "LDO16L" },
703 	{ "ADCL Power", NULL, "ADC1L" },
704 	{ "ADCL Power", NULL, "BSTL2" },
705 	{ "ADCL Power", NULL, "BSTL" },
706 	{ "ADCL Power", NULL, "ADCFEDL" },
707 
708 	{ "ADCR Power", NULL, "LDO16R" },
709 	{ "ADCR Power", NULL, "ADC1R" },
710 	{ "ADCR Power", NULL, "BSTR2" },
711 	{ "ADCR Power", NULL, "BSTR" },
712 	{ "ADCR Power", NULL, "ADCFEDR" },
713 
714 	{ "AMICL", NULL, "ADC CLK" },
715 	{ "AMICL", NULL, "ADC Power" },
716 	{ "AMICL", NULL, "ADCL Power" },
717 	{ "AMICR", NULL, "ADC CLK" },
718 	{ "AMICR", NULL, "ADC Power" },
719 	{ "AMICR", NULL, "ADCR Power" },
720 
721 	{ "PLL1 LDO", NULL, "PLL1 LDO ENABLE" },
722 	{ "PLL1", NULL, "PLL1 LDO" },
723 
724 	{ "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" },
725 	{ "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" },
726 
727 	{ "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" },
728 	{ "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" },
729 	{ "Stereo1 ADC MIX", NULL, "adc stereo1 filter" },
730 	{ "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
731 	{ "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc },
732 
733 	{ "Stereo2 DMIC Mux", "DMIC1", "DMIC1" },
734 	{ "Stereo2 DMIC Mux", "DMIC2", "DMIC2" },
735 
736 	{ "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" },
737 	{ "Sto2 ADC MIXL", "ADC Switch", "AMICL" },
738 	{ "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" },
739 	{ "Sto2 ADC MIXR", "ADC Switch", "AMICR" },
740 
741 	{ "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" },
742 	{ "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" },
743 
744 	{ "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" },
745 	{ "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" },
746 	{ "Stereo2 ADC MIX", NULL, "adc stereo2 filter" },
747 	{ "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
748 	{ "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc },
749 
750 	{ "AIF1TX", NULL, "Stereo1 ADC MIX"},
751 	{ "AIF1TX", NULL, "Stereo2 ADC MIX"},
752 };
753 
754 static int rt5514_hw_params(struct snd_pcm_substream *substream,
755 	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
756 {
757 	struct snd_soc_component *component = dai->component;
758 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
759 	int pre_div, bclk_ms, frame_size;
760 	unsigned int val_len = 0;
761 
762 	rt5514->lrck = params_rate(params);
763 	pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck);
764 	if (pre_div < 0) {
765 		dev_err(component->dev, "Unsupported clock setting\n");
766 		return -EINVAL;
767 	}
768 
769 	frame_size = snd_soc_params_to_frame_size(params);
770 	if (frame_size < 0) {
771 		dev_err(component->dev, "Unsupported frame size: %d\n", frame_size);
772 		return -EINVAL;
773 	}
774 
775 	bclk_ms = frame_size > 32;
776 	rt5514->bclk = rt5514->lrck * (32 << bclk_ms);
777 
778 	dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
779 		rt5514->bclk, rt5514->lrck);
780 	dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
781 				bclk_ms, pre_div, dai->id);
782 
783 	switch (params_format(params)) {
784 	case SNDRV_PCM_FORMAT_S16_LE:
785 		break;
786 	case SNDRV_PCM_FORMAT_S20_3LE:
787 		val_len = RT5514_I2S_DL_20;
788 		break;
789 	case SNDRV_PCM_FORMAT_S24_LE:
790 		val_len = RT5514_I2S_DL_24;
791 		break;
792 	case SNDRV_PCM_FORMAT_S8:
793 		val_len = RT5514_I2S_DL_8;
794 		break;
795 	default:
796 		return -EINVAL;
797 	}
798 
799 	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK,
800 		val_len);
801 	regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
802 		RT5514_CLK_AD_ANA1_SEL_MASK,
803 		(pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT);
804 	regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
805 		RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK,
806 		pre_div << RT5514_CLK_SYS_DIV_OUT_SFT |
807 		pre_div << RT5514_SEL_ADC_OSR_SFT);
808 
809 	return 0;
810 }
811 
812 static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
813 {
814 	struct snd_soc_component *component = dai->component;
815 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
816 	unsigned int reg_val = 0;
817 
818 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
819 	case SND_SOC_DAIFMT_NB_NF:
820 		break;
821 
822 	case SND_SOC_DAIFMT_NB_IF:
823 		reg_val |= RT5514_I2S_LR_INV;
824 		break;
825 
826 	case SND_SOC_DAIFMT_IB_NF:
827 		reg_val |= RT5514_I2S_BP_INV;
828 		break;
829 
830 	case SND_SOC_DAIFMT_IB_IF:
831 		reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV;
832 		break;
833 
834 	default:
835 		return -EINVAL;
836 	}
837 
838 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
839 	case SND_SOC_DAIFMT_I2S:
840 		break;
841 
842 	case SND_SOC_DAIFMT_LEFT_J:
843 		reg_val |= RT5514_I2S_DF_LEFT;
844 		break;
845 
846 	case SND_SOC_DAIFMT_DSP_A:
847 		reg_val |= RT5514_I2S_DF_PCM_A;
848 		break;
849 
850 	case SND_SOC_DAIFMT_DSP_B:
851 		reg_val |= RT5514_I2S_DF_PCM_B;
852 		break;
853 
854 	default:
855 		return -EINVAL;
856 	}
857 
858 	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1,
859 		RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK,
860 		reg_val);
861 
862 	return 0;
863 }
864 
865 static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai,
866 		int clk_id, unsigned int freq, int dir)
867 {
868 	struct snd_soc_component *component = dai->component;
869 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
870 	unsigned int reg_val = 0;
871 
872 	if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src)
873 		return 0;
874 
875 	switch (clk_id) {
876 	case RT5514_SCLK_S_MCLK:
877 		reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK;
878 		break;
879 
880 	case RT5514_SCLK_S_PLL1:
881 		reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL;
882 		break;
883 
884 	default:
885 		dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
886 		return -EINVAL;
887 	}
888 
889 	regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
890 		RT5514_CLK_SYS_PRE_SEL_MASK, reg_val);
891 
892 	rt5514->sysclk = freq;
893 	rt5514->sysclk_src = clk_id;
894 
895 	dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
896 
897 	return 0;
898 }
899 
900 static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
901 			unsigned int freq_in, unsigned int freq_out)
902 {
903 	struct snd_soc_component *component = dai->component;
904 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
905 	struct rl6231_pll_code pll_code;
906 	int ret;
907 
908 	if (!freq_in || !freq_out) {
909 		dev_dbg(component->dev, "PLL disabled\n");
910 
911 		rt5514->pll_in = 0;
912 		rt5514->pll_out = 0;
913 		regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
914 			RT5514_CLK_SYS_PRE_SEL_MASK,
915 			RT5514_CLK_SYS_PRE_SEL_MCLK);
916 
917 		return 0;
918 	}
919 
920 	if (source == rt5514->pll_src && freq_in == rt5514->pll_in &&
921 	    freq_out == rt5514->pll_out)
922 		return 0;
923 
924 	switch (source) {
925 	case RT5514_PLL1_S_MCLK:
926 		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
927 			RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK);
928 		break;
929 
930 	case RT5514_PLL1_S_BCLK:
931 		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
932 			RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK);
933 		break;
934 
935 	default:
936 		dev_err(component->dev, "Unknown PLL source %d\n", source);
937 		return -EINVAL;
938 	}
939 
940 	ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
941 	if (ret < 0) {
942 		dev_err(component->dev, "Unsupport input clock %d\n", freq_in);
943 		return ret;
944 	}
945 
946 	dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
947 		pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
948 		pll_code.n_code, pll_code.k_code);
949 
950 	regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1,
951 		pll_code.k_code << RT5514_PLL_K_SFT |
952 		pll_code.n_code << RT5514_PLL_N_SFT |
953 		(pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT);
954 	regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2,
955 		RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT);
956 
957 	rt5514->pll_in = freq_in;
958 	rt5514->pll_out = freq_out;
959 	rt5514->pll_src = source;
960 
961 	return 0;
962 }
963 
964 static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
965 			unsigned int rx_mask, int slots, int slot_width)
966 {
967 	struct snd_soc_component *component = dai->component;
968 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
969 	unsigned int val = 0, val2 = 0;
970 
971 	if (rx_mask || tx_mask)
972 		val |= RT5514_TDM_MODE;
973 
974 	switch (tx_mask) {
975 	case 0x3:
976 		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
977 			RT5514_TDM_DOCKING_START_SLOT0;
978 		break;
979 
980 	case 0x30:
981 		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
982 			RT5514_TDM_DOCKING_START_SLOT4;
983 		break;
984 
985 	case 0xf:
986 		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
987 			RT5514_TDM_DOCKING_START_SLOT0;
988 		break;
989 
990 	case 0xf0:
991 		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
992 			RT5514_TDM_DOCKING_START_SLOT4;
993 		break;
994 
995 	default:
996 		break;
997 	}
998 
999 
1000 
1001 	switch (slots) {
1002 	case 4:
1003 		val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH;
1004 		break;
1005 
1006 	case 6:
1007 		val |= RT5514_TDMSLOT_SEL_RX_6CH | RT5514_TDMSLOT_SEL_TX_6CH;
1008 		break;
1009 
1010 	case 8:
1011 		val |= RT5514_TDMSLOT_SEL_RX_8CH | RT5514_TDMSLOT_SEL_TX_8CH;
1012 		break;
1013 
1014 	case 2:
1015 	default:
1016 		break;
1017 	}
1018 
1019 	switch (slot_width) {
1020 	case 20:
1021 		val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20;
1022 		break;
1023 
1024 	case 24:
1025 		val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24;
1026 		break;
1027 
1028 	case 25:
1029 		val |= RT5514_TDM_MODE2;
1030 		break;
1031 
1032 	case 32:
1033 		val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32;
1034 		break;
1035 
1036 	case 16:
1037 	default:
1038 		break;
1039 	}
1040 
1041 	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE |
1042 		RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK |
1043 		RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK |
1044 		RT5514_TDM_MODE2, val);
1045 
1046 	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL2,
1047 		RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH_MASK |
1048 		RT5514_TDM_DOCKING_START_MASK, val2);
1049 
1050 	return 0;
1051 }
1052 
1053 static int rt5514_set_bias_level(struct snd_soc_component *component,
1054 			enum snd_soc_bias_level level)
1055 {
1056 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
1057 	int ret;
1058 
1059 	switch (level) {
1060 	case SND_SOC_BIAS_PREPARE:
1061 		if (IS_ERR(rt5514->mclk))
1062 			break;
1063 
1064 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
1065 			clk_disable_unprepare(rt5514->mclk);
1066 		} else {
1067 			ret = clk_prepare_enable(rt5514->mclk);
1068 			if (ret)
1069 				return ret;
1070 		}
1071 		break;
1072 
1073 	case SND_SOC_BIAS_STANDBY:
1074 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1075 			/*
1076 			 * If the DSP is enabled in start of recording, the DSP
1077 			 * should be disabled, and sync back to normal recording
1078 			 * settings to make sure recording properly.
1079 			 */
1080 			if (rt5514->dsp_enabled) {
1081 				rt5514->dsp_enabled = 0;
1082 				regmap_multi_reg_write(rt5514->i2c_regmap,
1083 					rt5514_i2c_patch,
1084 					ARRAY_SIZE(rt5514_i2c_patch));
1085 				regcache_mark_dirty(rt5514->regmap);
1086 				regcache_sync(rt5514->regmap);
1087 			}
1088 		}
1089 		break;
1090 
1091 	default:
1092 		break;
1093 	}
1094 
1095 	return 0;
1096 }
1097 
1098 static int rt5514_probe(struct snd_soc_component *component)
1099 {
1100 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
1101 	struct platform_device *pdev = container_of(component->dev,
1102 						   struct platform_device, dev);
1103 
1104 	rt5514->mclk = devm_clk_get(component->dev, "mclk");
1105 	if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER)
1106 		return -EPROBE_DEFER;
1107 
1108 	if (rt5514->pdata.dsp_calib_clk_name) {
1109 		rt5514->dsp_calib_clk = devm_clk_get(&pdev->dev,
1110 				rt5514->pdata.dsp_calib_clk_name);
1111 		if (PTR_ERR(rt5514->dsp_calib_clk) == -EPROBE_DEFER)
1112 			return -EPROBE_DEFER;
1113 	}
1114 
1115 	rt5514->component = component;
1116 	rt5514->pll3_cal_value = 0x0078b000;
1117 
1118 	return 0;
1119 }
1120 
1121 static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val)
1122 {
1123 	struct i2c_client *client = context;
1124 	struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1125 
1126 	regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1127 
1128 	return 0;
1129 }
1130 
1131 static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val)
1132 {
1133 	struct i2c_client *client = context;
1134 	struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1135 
1136 	regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1137 
1138 	return 0;
1139 }
1140 
1141 #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000
1142 #define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1143 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1144 
1145 static const struct snd_soc_dai_ops rt5514_aif_dai_ops = {
1146 	.hw_params = rt5514_hw_params,
1147 	.set_fmt = rt5514_set_dai_fmt,
1148 	.set_sysclk = rt5514_set_dai_sysclk,
1149 	.set_pll = rt5514_set_dai_pll,
1150 	.set_tdm_slot = rt5514_set_tdm_slot,
1151 };
1152 
1153 static struct snd_soc_dai_driver rt5514_dai[] = {
1154 	{
1155 		.name = "rt5514-aif1",
1156 		.id = 0,
1157 		.capture = {
1158 			.stream_name = "AIF1 Capture",
1159 			.channels_min = 1,
1160 			.channels_max = 4,
1161 			.rates = RT5514_STEREO_RATES,
1162 			.formats = RT5514_FORMATS,
1163 		},
1164 		.ops = &rt5514_aif_dai_ops,
1165 	}
1166 };
1167 
1168 static const struct snd_soc_component_driver soc_component_dev_rt5514 = {
1169 	.probe			= rt5514_probe,
1170 	.set_bias_level		= rt5514_set_bias_level,
1171 	.controls		= rt5514_snd_controls,
1172 	.num_controls		= ARRAY_SIZE(rt5514_snd_controls),
1173 	.dapm_widgets		= rt5514_dapm_widgets,
1174 	.num_dapm_widgets	= ARRAY_SIZE(rt5514_dapm_widgets),
1175 	.dapm_routes		= rt5514_dapm_routes,
1176 	.num_dapm_routes	= ARRAY_SIZE(rt5514_dapm_routes),
1177 	.use_pmdown_time	= 1,
1178 	.endianness		= 1,
1179 	.non_legacy_dai_naming	= 1,
1180 };
1181 
1182 static const struct regmap_config rt5514_i2c_regmap = {
1183 	.name = "i2c",
1184 	.reg_bits = 32,
1185 	.val_bits = 32,
1186 
1187 	.readable_reg = rt5514_i2c_readable_register,
1188 
1189 	.cache_type = REGCACHE_NONE,
1190 };
1191 
1192 static const struct regmap_config rt5514_regmap = {
1193 	.reg_bits = 16,
1194 	.val_bits = 32,
1195 
1196 	.max_register = RT5514_VENDOR_ID2,
1197 	.volatile_reg = rt5514_volatile_register,
1198 	.readable_reg = rt5514_readable_register,
1199 	.reg_read = rt5514_i2c_read,
1200 	.reg_write = rt5514_i2c_write,
1201 
1202 	.cache_type = REGCACHE_RBTREE,
1203 	.reg_defaults = rt5514_reg,
1204 	.num_reg_defaults = ARRAY_SIZE(rt5514_reg),
1205 	.use_single_read = true,
1206 	.use_single_write = true,
1207 };
1208 
1209 static const struct i2c_device_id rt5514_i2c_id[] = {
1210 	{ "rt5514", 0 },
1211 	{ }
1212 };
1213 MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id);
1214 
1215 #if defined(CONFIG_OF)
1216 static const struct of_device_id rt5514_of_match[] = {
1217 	{ .compatible = "realtek,rt5514", },
1218 	{},
1219 };
1220 MODULE_DEVICE_TABLE(of, rt5514_of_match);
1221 #endif
1222 
1223 #ifdef CONFIG_ACPI
1224 static const struct acpi_device_id rt5514_acpi_match[] = {
1225 	{ "10EC5514", 0},
1226 	{},
1227 };
1228 MODULE_DEVICE_TABLE(acpi, rt5514_acpi_match);
1229 #endif
1230 
1231 static int rt5514_parse_dp(struct rt5514_priv *rt5514, struct device *dev)
1232 {
1233 	device_property_read_u32(dev, "realtek,dmic-init-delay-ms",
1234 		&rt5514->pdata.dmic_init_delay);
1235 	device_property_read_string(dev, "realtek,dsp-calib-clk-name",
1236 		&rt5514->pdata.dsp_calib_clk_name);
1237 	device_property_read_u32(dev, "realtek,dsp-calib-clk-rate",
1238 		&rt5514->pdata.dsp_calib_clk_rate);
1239 
1240 	return 0;
1241 }
1242 
1243 static __maybe_unused int rt5514_i2c_resume(struct device *dev)
1244 {
1245 	struct rt5514_priv *rt5514 = dev_get_drvdata(dev);
1246 	unsigned int val;
1247 
1248 	/*
1249 	 * Add a bogus read to avoid rt5514's confusion after s2r in case it
1250 	 * saw glitches on the i2c lines and thought the other side sent a
1251 	 * start bit.
1252 	 */
1253 	regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1254 
1255 	return 0;
1256 }
1257 
1258 static int rt5514_i2c_probe(struct i2c_client *i2c,
1259 		    const struct i2c_device_id *id)
1260 {
1261 	struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev);
1262 	struct rt5514_priv *rt5514;
1263 	int ret;
1264 	unsigned int val = ~0;
1265 
1266 	rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv),
1267 				GFP_KERNEL);
1268 	if (rt5514 == NULL)
1269 		return -ENOMEM;
1270 
1271 	i2c_set_clientdata(i2c, rt5514);
1272 
1273 	if (pdata)
1274 		rt5514->pdata = *pdata;
1275 	else
1276 		rt5514_parse_dp(rt5514, &i2c->dev);
1277 
1278 	rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap);
1279 	if (IS_ERR(rt5514->i2c_regmap)) {
1280 		ret = PTR_ERR(rt5514->i2c_regmap);
1281 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1282 			ret);
1283 		return ret;
1284 	}
1285 
1286 	rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap);
1287 	if (IS_ERR(rt5514->regmap)) {
1288 		ret = PTR_ERR(rt5514->regmap);
1289 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1290 			ret);
1291 		return ret;
1292 	}
1293 
1294 	/*
1295 	 * The rt5514 can get confused if the i2c lines glitch together, as
1296 	 * can happen at bootup as regulators are turned off and on.  If it's
1297 	 * in this glitched state the first i2c read will fail, so we'll give
1298 	 * it one change to retry.
1299 	 */
1300 	ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1301 	if (ret || val != RT5514_DEVICE_ID)
1302 		ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1303 	if (ret || val != RT5514_DEVICE_ID) {
1304 		dev_err(&i2c->dev,
1305 			"Device with ID register %x is not rt5514\n", val);
1306 		return -ENODEV;
1307 	}
1308 
1309 	ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch,
1310 				    ARRAY_SIZE(rt5514_i2c_patch));
1311 	if (ret != 0)
1312 		dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",
1313 			ret);
1314 
1315 	ret = regmap_register_patch(rt5514->regmap, rt5514_patch,
1316 				    ARRAY_SIZE(rt5514_patch));
1317 	if (ret != 0)
1318 		dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
1319 
1320 	return devm_snd_soc_register_component(&i2c->dev,
1321 			&soc_component_dev_rt5514,
1322 			rt5514_dai, ARRAY_SIZE(rt5514_dai));
1323 }
1324 
1325 static const struct dev_pm_ops rt5514_i2_pm_ops = {
1326 	SET_SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume)
1327 };
1328 
1329 static struct i2c_driver rt5514_i2c_driver = {
1330 	.driver = {
1331 		.name = "rt5514",
1332 		.acpi_match_table = ACPI_PTR(rt5514_acpi_match),
1333 		.of_match_table = of_match_ptr(rt5514_of_match),
1334 		.pm = &rt5514_i2_pm_ops,
1335 	},
1336 	.probe = rt5514_i2c_probe,
1337 	.id_table = rt5514_i2c_id,
1338 };
1339 module_i2c_driver(rt5514_i2c_driver);
1340 
1341 MODULE_DESCRIPTION("ASoC RT5514 driver");
1342 MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
1343 MODULE_LICENSE("GPL v2");
1344