xref: /openbmc/linux/sound/soc/codecs/rt5514.c (revision 2bc7d3e0)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * rt5514.c  --  RT5514 ALSA SoC audio codec driver
4  *
5  * Copyright 2015 Realtek Semiconductor Corp.
6  * Author: Oder Chiou <oder_chiou@realtek.com>
7  */
8 
9 #include <linux/acpi.h>
10 #include <linux/fs.h>
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/init.h>
14 #include <linux/delay.h>
15 #include <linux/pm.h>
16 #include <linux/regmap.h>
17 #include <linux/i2c.h>
18 #include <linux/platform_device.h>
19 #include <linux/firmware.h>
20 #include <linux/gpio.h>
21 #include <sound/core.h>
22 #include <sound/pcm.h>
23 #include <sound/pcm_params.h>
24 #include <sound/soc.h>
25 #include <sound/soc-dapm.h>
26 #include <sound/initval.h>
27 #include <sound/tlv.h>
28 
29 #include "rl6231.h"
30 #include "rt5514.h"
31 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
32 #include "rt5514-spi.h"
33 #endif
34 
35 static const struct reg_sequence rt5514_i2c_patch[] = {
36 	{0x1800101c, 0x00000000},
37 	{0x18001100, 0x0000031f},
38 	{0x18001104, 0x00000007},
39 	{0x18001108, 0x00000000},
40 	{0x1800110c, 0x00000000},
41 	{0x18001110, 0x00000000},
42 	{0x18001114, 0x00000001},
43 	{0x18001118, 0x00000000},
44 	{0x18002f08, 0x00000006},
45 	{0x18002f00, 0x00055149},
46 	{0x18002f00, 0x0005514b},
47 	{0x18002f00, 0x00055149},
48 	{0xfafafafa, 0x00000001},
49 	{0x18002f10, 0x00000001},
50 	{0x18002f10, 0x00000000},
51 	{0x18002f10, 0x00000001},
52 	{0xfafafafa, 0x00000001},
53 	{0x18002000, 0x000010ec},
54 	{0xfafafafa, 0x00000000},
55 };
56 
57 static const struct reg_sequence rt5514_patch[] = {
58 	{RT5514_DIG_IO_CTRL,		0x00000040},
59 	{RT5514_CLK_CTRL1,		0x38020041},
60 	{RT5514_SRC_CTRL,		0x44000eee},
61 	{RT5514_ANA_CTRL_LDO10,		0x00028604},
62 	{RT5514_ANA_CTRL_ADCFED,	0x00000800},
63 	{RT5514_ASRC_IN_CTRL1,		0x00000003},
64 	{RT5514_DOWNFILTER0_CTRL3,	0x10000342},
65 	{RT5514_DOWNFILTER1_CTRL3,	0x10000342},
66 };
67 
68 static const struct reg_default rt5514_reg[] = {
69 	{RT5514_RESET,			0x00000000},
70 	{RT5514_PWR_ANA1,		0x00808880},
71 	{RT5514_PWR_ANA2,		0x00220000},
72 	{RT5514_I2S_CTRL1,		0x00000330},
73 	{RT5514_I2S_CTRL2,		0x20000000},
74 	{RT5514_VAD_CTRL6,		0xc00007d2},
75 	{RT5514_EXT_VAD_CTRL,		0x80000080},
76 	{RT5514_DIG_IO_CTRL,		0x00000040},
77 	{RT5514_PAD_CTRL1,		0x00804000},
78 	{RT5514_DMIC_DATA_CTRL,		0x00000005},
79 	{RT5514_DIG_SOURCE_CTRL,	0x00000002},
80 	{RT5514_SRC_CTRL,		0x44000eee},
81 	{RT5514_DOWNFILTER2_CTRL1,	0x0000882f},
82 	{RT5514_PLL_SOURCE_CTRL,	0x00000004},
83 	{RT5514_CLK_CTRL1,		0x38020041},
84 	{RT5514_CLK_CTRL2,		0x00000000},
85 	{RT5514_PLL3_CALIB_CTRL1,	0x00400200},
86 	{RT5514_PLL3_CALIB_CTRL5,	0x40220012},
87 	{RT5514_DELAY_BUF_CTRL1,	0x7fff006a},
88 	{RT5514_DELAY_BUF_CTRL3,	0x00000000},
89 	{RT5514_ASRC_IN_CTRL1,		0x00000003},
90 	{RT5514_DOWNFILTER0_CTRL1,	0x00020c2f},
91 	{RT5514_DOWNFILTER0_CTRL2,	0x00020c2f},
92 	{RT5514_DOWNFILTER0_CTRL3,	0x10000342},
93 	{RT5514_DOWNFILTER1_CTRL1,	0x00020c2f},
94 	{RT5514_DOWNFILTER1_CTRL2,	0x00020c2f},
95 	{RT5514_DOWNFILTER1_CTRL3,	0x10000342},
96 	{RT5514_ANA_CTRL_LDO10,		0x00028604},
97 	{RT5514_ANA_CTRL_LDO18_16,	0x02000345},
98 	{RT5514_ANA_CTRL_ADC12,		0x0000a2a8},
99 	{RT5514_ANA_CTRL_ADC21,		0x00001180},
100 	{RT5514_ANA_CTRL_ADC22,		0x0000aaa8},
101 	{RT5514_ANA_CTRL_ADC23,		0x00151427},
102 	{RT5514_ANA_CTRL_MICBST,	0x00002000},
103 	{RT5514_ANA_CTRL_ADCFED,	0x00000800},
104 	{RT5514_ANA_CTRL_INBUF,		0x00000143},
105 	{RT5514_ANA_CTRL_VREF,		0x00008d50},
106 	{RT5514_ANA_CTRL_PLL3,		0x0000000e},
107 	{RT5514_ANA_CTRL_PLL1_1,	0x00000000},
108 	{RT5514_ANA_CTRL_PLL1_2,	0x00030220},
109 	{RT5514_DMIC_LP_CTRL,		0x00000000},
110 	{RT5514_MISC_CTRL_DSP,		0x00000000},
111 	{RT5514_DSP_CTRL1,		0x00055149},
112 	{RT5514_DSP_CTRL3,		0x00000006},
113 	{RT5514_DSP_CTRL4,		0x00000001},
114 	{RT5514_VENDOR_ID1,		0x00000001},
115 	{RT5514_VENDOR_ID2,		0x10ec5514},
116 };
117 
118 static void rt5514_enable_dsp_prepare(struct rt5514_priv *rt5514)
119 {
120 	/* Reset */
121 	regmap_write(rt5514->i2c_regmap, 0x18002000, 0x000010ec);
122 	/* LDO_I_limit */
123 	regmap_write(rt5514->i2c_regmap, 0x18002200, 0x00028604);
124 	/* I2C bypass enable */
125 	regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000001);
126 	/* mini-core reset */
127 	regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x0005514b);
128 	regmap_write(rt5514->i2c_regmap, 0x18002f00, 0x00055149);
129 	/* I2C bypass disable */
130 	regmap_write(rt5514->i2c_regmap, 0xfafafafa, 0x00000000);
131 	/* PIN config */
132 	regmap_write(rt5514->i2c_regmap, 0x18002070, 0x00000040);
133 	/* PLL3(QN)=RCOSC*(10+2) */
134 	regmap_write(rt5514->i2c_regmap, 0x18002240, 0x0000000a);
135 	/* PLL3 source=RCOSC, fsi=rt_clk */
136 	regmap_write(rt5514->i2c_regmap, 0x18002100, 0x0000000b);
137 	/* Power on RCOSC, pll3 */
138 	regmap_write(rt5514->i2c_regmap, 0x18002004, 0x00808b81);
139 	/* DSP clk source = pll3, ENABLE DSP clk */
140 	regmap_write(rt5514->i2c_regmap, 0x18002f08, 0x00000005);
141 	/* Enable DSP clk auto switch */
142 	regmap_write(rt5514->i2c_regmap, 0x18001114, 0x00000001);
143 	/* Reduce DSP power */
144 	regmap_write(rt5514->i2c_regmap, 0x18001118, 0x00000001);
145 }
146 
147 static bool rt5514_volatile_register(struct device *dev, unsigned int reg)
148 {
149 	switch (reg) {
150 	case RT5514_VENDOR_ID1:
151 	case RT5514_VENDOR_ID2:
152 		return true;
153 
154 	default:
155 		return false;
156 	}
157 }
158 
159 static bool rt5514_readable_register(struct device *dev, unsigned int reg)
160 {
161 	switch (reg) {
162 	case RT5514_RESET:
163 	case RT5514_PWR_ANA1:
164 	case RT5514_PWR_ANA2:
165 	case RT5514_I2S_CTRL1:
166 	case RT5514_I2S_CTRL2:
167 	case RT5514_VAD_CTRL6:
168 	case RT5514_EXT_VAD_CTRL:
169 	case RT5514_DIG_IO_CTRL:
170 	case RT5514_PAD_CTRL1:
171 	case RT5514_DMIC_DATA_CTRL:
172 	case RT5514_DIG_SOURCE_CTRL:
173 	case RT5514_SRC_CTRL:
174 	case RT5514_DOWNFILTER2_CTRL1:
175 	case RT5514_PLL_SOURCE_CTRL:
176 	case RT5514_CLK_CTRL1:
177 	case RT5514_CLK_CTRL2:
178 	case RT5514_PLL3_CALIB_CTRL1:
179 	case RT5514_PLL3_CALIB_CTRL5:
180 	case RT5514_DELAY_BUF_CTRL1:
181 	case RT5514_DELAY_BUF_CTRL3:
182 	case RT5514_ASRC_IN_CTRL1:
183 	case RT5514_DOWNFILTER0_CTRL1:
184 	case RT5514_DOWNFILTER0_CTRL2:
185 	case RT5514_DOWNFILTER0_CTRL3:
186 	case RT5514_DOWNFILTER1_CTRL1:
187 	case RT5514_DOWNFILTER1_CTRL2:
188 	case RT5514_DOWNFILTER1_CTRL3:
189 	case RT5514_ANA_CTRL_LDO10:
190 	case RT5514_ANA_CTRL_LDO18_16:
191 	case RT5514_ANA_CTRL_ADC12:
192 	case RT5514_ANA_CTRL_ADC21:
193 	case RT5514_ANA_CTRL_ADC22:
194 	case RT5514_ANA_CTRL_ADC23:
195 	case RT5514_ANA_CTRL_MICBST:
196 	case RT5514_ANA_CTRL_ADCFED:
197 	case RT5514_ANA_CTRL_INBUF:
198 	case RT5514_ANA_CTRL_VREF:
199 	case RT5514_ANA_CTRL_PLL3:
200 	case RT5514_ANA_CTRL_PLL1_1:
201 	case RT5514_ANA_CTRL_PLL1_2:
202 	case RT5514_DMIC_LP_CTRL:
203 	case RT5514_MISC_CTRL_DSP:
204 	case RT5514_DSP_CTRL1:
205 	case RT5514_DSP_CTRL3:
206 	case RT5514_DSP_CTRL4:
207 	case RT5514_VENDOR_ID1:
208 	case RT5514_VENDOR_ID2:
209 		return true;
210 
211 	default:
212 		return false;
213 	}
214 }
215 
216 static bool rt5514_i2c_readable_register(struct device *dev,
217 	unsigned int reg)
218 {
219 	switch (reg) {
220 	case RT5514_DSP_MAPPING | RT5514_RESET:
221 	case RT5514_DSP_MAPPING | RT5514_PWR_ANA1:
222 	case RT5514_DSP_MAPPING | RT5514_PWR_ANA2:
223 	case RT5514_DSP_MAPPING | RT5514_I2S_CTRL1:
224 	case RT5514_DSP_MAPPING | RT5514_I2S_CTRL2:
225 	case RT5514_DSP_MAPPING | RT5514_VAD_CTRL6:
226 	case RT5514_DSP_MAPPING | RT5514_EXT_VAD_CTRL:
227 	case RT5514_DSP_MAPPING | RT5514_DIG_IO_CTRL:
228 	case RT5514_DSP_MAPPING | RT5514_PAD_CTRL1:
229 	case RT5514_DSP_MAPPING | RT5514_DMIC_DATA_CTRL:
230 	case RT5514_DSP_MAPPING | RT5514_DIG_SOURCE_CTRL:
231 	case RT5514_DSP_MAPPING | RT5514_SRC_CTRL:
232 	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER2_CTRL1:
233 	case RT5514_DSP_MAPPING | RT5514_PLL_SOURCE_CTRL:
234 	case RT5514_DSP_MAPPING | RT5514_CLK_CTRL1:
235 	case RT5514_DSP_MAPPING | RT5514_CLK_CTRL2:
236 	case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL1:
237 	case RT5514_DSP_MAPPING | RT5514_PLL3_CALIB_CTRL5:
238 	case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL1:
239 	case RT5514_DSP_MAPPING | RT5514_DELAY_BUF_CTRL3:
240 	case RT5514_DSP_MAPPING | RT5514_ASRC_IN_CTRL1:
241 	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL1:
242 	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL2:
243 	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER0_CTRL3:
244 	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL1:
245 	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL2:
246 	case RT5514_DSP_MAPPING | RT5514_DOWNFILTER1_CTRL3:
247 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO10:
248 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_LDO18_16:
249 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC12:
250 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC21:
251 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC22:
252 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADC23:
253 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_MICBST:
254 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_ADCFED:
255 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_INBUF:
256 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_VREF:
257 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL3:
258 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_1:
259 	case RT5514_DSP_MAPPING | RT5514_ANA_CTRL_PLL1_2:
260 	case RT5514_DSP_MAPPING | RT5514_DMIC_LP_CTRL:
261 	case RT5514_DSP_MAPPING | RT5514_MISC_CTRL_DSP:
262 	case RT5514_DSP_MAPPING | RT5514_DSP_CTRL1:
263 	case RT5514_DSP_MAPPING | RT5514_DSP_CTRL3:
264 	case RT5514_DSP_MAPPING | RT5514_DSP_CTRL4:
265 	case RT5514_DSP_MAPPING | RT5514_VENDOR_ID1:
266 	case RT5514_DSP_MAPPING | RT5514_VENDOR_ID2:
267 		return true;
268 
269 	default:
270 		return false;
271 	}
272 }
273 
274 /* {-3, 0, +3, +4.5, +7.5, +9.5, +12, +14, +17} dB */
275 static const DECLARE_TLV_DB_RANGE(bst_tlv,
276 	0, 2, TLV_DB_SCALE_ITEM(-300, 300, 0),
277 	3, 3, TLV_DB_SCALE_ITEM(450, 0, 0),
278 	4, 4, TLV_DB_SCALE_ITEM(750, 0, 0),
279 	5, 5, TLV_DB_SCALE_ITEM(950, 0, 0),
280 	6, 6, TLV_DB_SCALE_ITEM(1200, 0, 0),
281 	7, 7, TLV_DB_SCALE_ITEM(1400, 0, 0),
282 	8, 8, TLV_DB_SCALE_ITEM(1700, 0, 0)
283 );
284 
285 static const DECLARE_TLV_DB_SCALE(adc_vol_tlv, -1725, 75, 0);
286 
287 static int rt5514_dsp_voice_wake_up_get(struct snd_kcontrol *kcontrol,
288 		struct snd_ctl_elem_value *ucontrol)
289 {
290 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
291 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
292 
293 	ucontrol->value.integer.value[0] = rt5514->dsp_enabled;
294 
295 	return 0;
296 }
297 
298 static int rt5514_calibration(struct rt5514_priv *rt5514, bool on)
299 {
300 	if (on) {
301 		regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL3, 0x0000000a);
302 		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf,
303 			0xa);
304 		regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301,
305 			0x301);
306 		regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL4,
307 			0x80000000 | rt5514->pll3_cal_value);
308 		regmap_write(rt5514->regmap, RT5514_PLL3_CALIB_CTRL1,
309 			0x8bb80800);
310 		regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
311 			0xc0000000, 0x80000000);
312 		regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
313 			0xc0000000, 0xc0000000);
314 	} else {
315 		regmap_update_bits(rt5514->regmap, RT5514_PLL3_CALIB_CTRL5,
316 			0xc0000000, 0x40000000);
317 		regmap_update_bits(rt5514->regmap, RT5514_PWR_ANA1, 0x301, 0);
318 		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL, 0xf,
319 			0x4);
320 	}
321 
322 	return 0;
323 }
324 
325 static int rt5514_dsp_voice_wake_up_put(struct snd_kcontrol *kcontrol,
326 		struct snd_ctl_elem_value *ucontrol)
327 {
328 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
329 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
330 	const struct firmware *fw = NULL;
331 	u8 buf[8];
332 
333 	if (ucontrol->value.integer.value[0] == rt5514->dsp_enabled)
334 		return 0;
335 
336 	if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
337 		rt5514->dsp_enabled = ucontrol->value.integer.value[0];
338 
339 		if (rt5514->dsp_enabled) {
340 			if (rt5514->pdata.dsp_calib_clk_name &&
341 				!IS_ERR(rt5514->dsp_calib_clk)) {
342 				if (clk_set_rate(rt5514->dsp_calib_clk,
343 					rt5514->pdata.dsp_calib_clk_rate))
344 					dev_err(component->dev,
345 						"Can't set rate for mclk");
346 
347 				if (clk_prepare_enable(rt5514->dsp_calib_clk))
348 					dev_err(component->dev,
349 						"Can't enable dsp_calib_clk");
350 
351 				rt5514_calibration(rt5514, true);
352 
353 				msleep(20);
354 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
355 				rt5514_spi_burst_read(RT5514_PLL3_CALIB_CTRL6 |
356 					RT5514_DSP_MAPPING, buf, sizeof(buf));
357 #else
358 				dev_err(component->dev, "There is no SPI driver for"
359 					" loading the firmware\n");
360 				memset(buf, 0, sizeof(buf));
361 #endif
362 				rt5514->pll3_cal_value = buf[0] | buf[1] << 8 |
363 					buf[2] << 16 | buf[3] << 24;
364 
365 				rt5514_calibration(rt5514, false);
366 				clk_disable_unprepare(rt5514->dsp_calib_clk);
367 			}
368 
369 			rt5514_enable_dsp_prepare(rt5514);
370 
371 			request_firmware(&fw, RT5514_FIRMWARE1, component->dev);
372 			if (fw) {
373 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
374 				rt5514_spi_burst_write(0x4ff60000, fw->data,
375 					((fw->size/8)+1)*8);
376 #else
377 				dev_err(component->dev, "There is no SPI driver for"
378 					" loading the firmware\n");
379 #endif
380 				release_firmware(fw);
381 				fw = NULL;
382 			}
383 
384 			request_firmware(&fw, RT5514_FIRMWARE2, component->dev);
385 			if (fw) {
386 #if IS_ENABLED(CONFIG_SND_SOC_RT5514_SPI)
387 				rt5514_spi_burst_write(0x4ffc0000, fw->data,
388 					((fw->size/8)+1)*8);
389 #else
390 				dev_err(component->dev, "There is no SPI driver for"
391 					" loading the firmware\n");
392 #endif
393 				release_firmware(fw);
394 				fw = NULL;
395 			}
396 
397 			/* DSP run */
398 			regmap_write(rt5514->i2c_regmap, 0x18002f00,
399 				0x00055148);
400 
401 			if (rt5514->pdata.dsp_calib_clk_name &&
402 				!IS_ERR(rt5514->dsp_calib_clk)) {
403 				msleep(20);
404 
405 				regmap_write(rt5514->i2c_regmap, 0x1800211c,
406 					rt5514->pll3_cal_value);
407 				regmap_write(rt5514->i2c_regmap, 0x18002124,
408 					0x00220012);
409 				regmap_write(rt5514->i2c_regmap, 0x18002124,
410 					0x80220042);
411 				regmap_write(rt5514->i2c_regmap, 0x18002124,
412 					0xe0220042);
413 			}
414 		} else {
415 			regmap_multi_reg_write(rt5514->i2c_regmap,
416 				rt5514_i2c_patch, ARRAY_SIZE(rt5514_i2c_patch));
417 			regcache_mark_dirty(rt5514->regmap);
418 			regcache_sync(rt5514->regmap);
419 		}
420 	}
421 
422 	return 1;
423 }
424 
425 static const struct snd_kcontrol_new rt5514_snd_controls[] = {
426 	SOC_DOUBLE_TLV("MIC Boost Volume", RT5514_ANA_CTRL_MICBST,
427 		RT5514_SEL_BSTL_SFT, RT5514_SEL_BSTR_SFT, 8, 0, bst_tlv),
428 	SOC_DOUBLE_R_TLV("ADC1 Capture Volume", RT5514_DOWNFILTER0_CTRL1,
429 		RT5514_DOWNFILTER0_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
430 		adc_vol_tlv),
431 	SOC_DOUBLE_R_TLV("ADC2 Capture Volume", RT5514_DOWNFILTER1_CTRL1,
432 		RT5514_DOWNFILTER1_CTRL2, RT5514_AD_GAIN_SFT, 63, 0,
433 		adc_vol_tlv),
434 	SOC_SINGLE_EXT("DSP Voice Wake Up", SND_SOC_NOPM, 0, 1, 0,
435 		rt5514_dsp_voice_wake_up_get, rt5514_dsp_voice_wake_up_put),
436 };
437 
438 /* ADC Mixer*/
439 static const struct snd_kcontrol_new rt5514_sto1_adc_l_mix[] = {
440 	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL1,
441 		RT5514_AD_DMIC_MIX_BIT, 1, 1),
442 	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL1,
443 		RT5514_AD_AD_MIX_BIT, 1, 1),
444 };
445 
446 static const struct snd_kcontrol_new rt5514_sto1_adc_r_mix[] = {
447 	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER0_CTRL2,
448 		RT5514_AD_DMIC_MIX_BIT, 1, 1),
449 	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER0_CTRL2,
450 		RT5514_AD_AD_MIX_BIT, 1, 1),
451 };
452 
453 static const struct snd_kcontrol_new rt5514_sto2_adc_l_mix[] = {
454 	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL1,
455 		RT5514_AD_DMIC_MIX_BIT, 1, 1),
456 	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL1,
457 		RT5514_AD_AD_MIX_BIT, 1, 1),
458 };
459 
460 static const struct snd_kcontrol_new rt5514_sto2_adc_r_mix[] = {
461 	SOC_DAPM_SINGLE("DMIC Switch", RT5514_DOWNFILTER1_CTRL2,
462 		RT5514_AD_DMIC_MIX_BIT, 1, 1),
463 	SOC_DAPM_SINGLE("ADC Switch", RT5514_DOWNFILTER1_CTRL2,
464 		RT5514_AD_AD_MIX_BIT, 1, 1),
465 };
466 
467 /* DMIC Source */
468 static const char * const rt5514_dmic_src[] = {
469 	"DMIC1", "DMIC2"
470 };
471 
472 static SOC_ENUM_SINGLE_DECL(
473 	rt5514_stereo1_dmic_enum, RT5514_DIG_SOURCE_CTRL,
474 	RT5514_AD0_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
475 
476 static const struct snd_kcontrol_new rt5514_sto1_dmic_mux =
477 	SOC_DAPM_ENUM("Stereo1 DMIC Source", rt5514_stereo1_dmic_enum);
478 
479 static SOC_ENUM_SINGLE_DECL(
480 	rt5514_stereo2_dmic_enum, RT5514_DIG_SOURCE_CTRL,
481 	RT5514_AD1_DMIC_INPUT_SEL_SFT, rt5514_dmic_src);
482 
483 static const struct snd_kcontrol_new rt5514_sto2_dmic_mux =
484 	SOC_DAPM_ENUM("Stereo2 DMIC Source", rt5514_stereo2_dmic_enum);
485 
486 /**
487  * rt5514_calc_dmic_clk - Calculate the frequency divider parameter of dmic.
488  *
489  * @component: only used for dev_warn
490  * @rate: base clock rate.
491  *
492  * Choose divider parameter that gives the highest possible DMIC frequency in
493  * 1MHz - 3MHz range.
494  */
495 static int rt5514_calc_dmic_clk(struct snd_soc_component *component, int rate)
496 {
497 	static const int div[] = {2, 3, 4, 8, 12, 16, 24, 32};
498 	int i;
499 
500 	if (rate < 1000000 * div[0]) {
501 		pr_warn("Base clock rate %d is too low\n", rate);
502 		return -EINVAL;
503 	}
504 
505 	for (i = 0; i < ARRAY_SIZE(div); i++) {
506 		/* find divider that gives DMIC frequency below 3.072MHz */
507 		if (3072000 * div[i] >= rate)
508 			return i;
509 	}
510 
511 	dev_warn(component->dev, "Base clock rate %d is too high\n", rate);
512 	return -EINVAL;
513 }
514 
515 static int rt5514_set_dmic_clk(struct snd_soc_dapm_widget *w,
516 	struct snd_kcontrol *kcontrol, int event)
517 {
518 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
519 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
520 	int idx;
521 
522 	idx = rt5514_calc_dmic_clk(component, rt5514->sysclk);
523 	if (idx < 0)
524 		dev_err(component->dev, "Failed to set DMIC clock\n");
525 	else
526 		regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
527 			RT5514_CLK_DMIC_OUT_SEL_MASK,
528 			idx << RT5514_CLK_DMIC_OUT_SEL_SFT);
529 
530 	if (rt5514->pdata.dmic_init_delay)
531 		msleep(rt5514->pdata.dmic_init_delay);
532 
533 	return idx;
534 }
535 
536 static int rt5514_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
537 			 struct snd_soc_dapm_widget *sink)
538 {
539 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
540 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
541 
542 	if (rt5514->sysclk_src == RT5514_SCLK_S_PLL1)
543 		return 1;
544 	else
545 		return 0;
546 }
547 
548 static int rt5514_i2s_use_asrc(struct snd_soc_dapm_widget *source,
549 	struct snd_soc_dapm_widget *sink)
550 {
551 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
552 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
553 
554 	return (rt5514->sysclk > rt5514->lrck * 384);
555 }
556 
557 static const struct snd_soc_dapm_widget rt5514_dapm_widgets[] = {
558 	/* Input Lines */
559 	SND_SOC_DAPM_INPUT("DMIC1L"),
560 	SND_SOC_DAPM_INPUT("DMIC1R"),
561 	SND_SOC_DAPM_INPUT("DMIC2L"),
562 	SND_SOC_DAPM_INPUT("DMIC2R"),
563 
564 	SND_SOC_DAPM_INPUT("AMICL"),
565 	SND_SOC_DAPM_INPUT("AMICR"),
566 
567 	SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
568 	SND_SOC_DAPM_PGA("DMIC2", SND_SOC_NOPM, 0, 0, NULL, 0),
569 
570 	SND_SOC_DAPM_SUPPLY_S("DMIC CLK", 1, SND_SOC_NOPM, 0, 0,
571 		rt5514_set_dmic_clk, SND_SOC_DAPM_PRE_PMU),
572 
573 	SND_SOC_DAPM_SUPPLY("ADC CLK", RT5514_CLK_CTRL1,
574 		RT5514_CLK_AD_ANA1_EN_BIT, 0, NULL, 0),
575 
576 	SND_SOC_DAPM_SUPPLY("LDO18 IN", RT5514_PWR_ANA1,
577 		RT5514_POW_LDO18_IN_BIT, 0, NULL, 0),
578 	SND_SOC_DAPM_SUPPLY("LDO18 ADC", RT5514_PWR_ANA1,
579 		RT5514_POW_LDO18_ADC_BIT, 0, NULL, 0),
580 	SND_SOC_DAPM_SUPPLY("LDO21", RT5514_PWR_ANA1, RT5514_POW_LDO21_BIT, 0,
581 		NULL, 0),
582 	SND_SOC_DAPM_SUPPLY("BG LDO18 IN", RT5514_PWR_ANA1,
583 		RT5514_POW_BG_LDO18_IN_BIT, 0, NULL, 0),
584 	SND_SOC_DAPM_SUPPLY("BG LDO21", RT5514_PWR_ANA1,
585 		RT5514_POW_BG_LDO21_BIT, 0, NULL, 0),
586 	SND_SOC_DAPM_SUPPLY("BG MBIAS", RT5514_PWR_ANA2,
587 		RT5514_POW_BG_MBIAS_BIT, 0, NULL, 0),
588 	SND_SOC_DAPM_SUPPLY("MBIAS", RT5514_PWR_ANA2, RT5514_POW_MBIAS_BIT, 0,
589 		NULL, 0),
590 	SND_SOC_DAPM_SUPPLY("VREF2", RT5514_PWR_ANA2, RT5514_POW_VREF2_BIT, 0,
591 		NULL, 0),
592 	SND_SOC_DAPM_SUPPLY("VREF1", RT5514_PWR_ANA2, RT5514_POW_VREF1_BIT, 0,
593 		NULL, 0),
594 	SND_SOC_DAPM_SUPPLY("ADC Power", SND_SOC_NOPM, 0, 0, NULL, 0),
595 
596 
597 	SND_SOC_DAPM_SUPPLY("LDO16L", RT5514_PWR_ANA2, RT5514_POWL_LDO16_BIT, 0,
598 		NULL, 0),
599 	SND_SOC_DAPM_SUPPLY("ADC1L", RT5514_PWR_ANA2, RT5514_POW_ADC1_L_BIT, 0,
600 		NULL, 0),
601 	SND_SOC_DAPM_SUPPLY("BSTL2", RT5514_PWR_ANA2, RT5514_POW2_BSTL_BIT, 0,
602 		NULL, 0),
603 	SND_SOC_DAPM_SUPPLY("BSTL", RT5514_PWR_ANA2, RT5514_POW_BSTL_BIT, 0,
604 		NULL, 0),
605 	SND_SOC_DAPM_SUPPLY("ADCFEDL", RT5514_PWR_ANA2, RT5514_POW_ADCFEDL_BIT,
606 		0, NULL, 0),
607 	SND_SOC_DAPM_SUPPLY("ADCL Power", SND_SOC_NOPM, 0, 0, NULL, 0),
608 
609 	SND_SOC_DAPM_SUPPLY("LDO16R", RT5514_PWR_ANA2, RT5514_POWR_LDO16_BIT, 0,
610 		NULL, 0),
611 	SND_SOC_DAPM_SUPPLY("ADC1R", RT5514_PWR_ANA2, RT5514_POW_ADC1_R_BIT, 0,
612 		NULL, 0),
613 	SND_SOC_DAPM_SUPPLY("BSTR2", RT5514_PWR_ANA2, RT5514_POW2_BSTR_BIT, 0,
614 		NULL, 0),
615 	SND_SOC_DAPM_SUPPLY("BSTR", RT5514_PWR_ANA2, RT5514_POW_BSTR_BIT, 0,
616 		NULL, 0),
617 	SND_SOC_DAPM_SUPPLY("ADCFEDR", RT5514_PWR_ANA2, RT5514_POW_ADCFEDR_BIT,
618 		0, NULL, 0),
619 	SND_SOC_DAPM_SUPPLY("ADCR Power", SND_SOC_NOPM, 0, 0, NULL, 0),
620 
621 	SND_SOC_DAPM_SUPPLY("PLL1 LDO ENABLE", RT5514_ANA_CTRL_PLL1_2,
622 		RT5514_EN_LDO_PLL1_BIT, 0, NULL, 0),
623 	SND_SOC_DAPM_SUPPLY("PLL1 LDO", RT5514_PWR_ANA2,
624 		RT5514_POW_PLL1_LDO_BIT, 0, NULL, 0),
625 	SND_SOC_DAPM_SUPPLY("PLL1", RT5514_PWR_ANA2, RT5514_POW_PLL1_BIT, 0,
626 		NULL, 0),
627 	SND_SOC_DAPM_SUPPLY_S("ASRC AD1", 1, RT5514_CLK_CTRL2,
628 		RT5514_CLK_AD0_ASRC_EN_BIT, 0, NULL, 0),
629 	SND_SOC_DAPM_SUPPLY_S("ASRC AD2", 1, RT5514_CLK_CTRL2,
630 		RT5514_CLK_AD1_ASRC_EN_BIT, 0, NULL, 0),
631 
632 	/* ADC Mux */
633 	SND_SOC_DAPM_MUX("Stereo1 DMIC Mux", SND_SOC_NOPM, 0, 0,
634 				&rt5514_sto1_dmic_mux),
635 	SND_SOC_DAPM_MUX("Stereo2 DMIC Mux", SND_SOC_NOPM, 0, 0,
636 				&rt5514_sto2_dmic_mux),
637 
638 	/* ADC Mixer */
639 	SND_SOC_DAPM_SUPPLY("adc stereo1 filter", RT5514_CLK_CTRL1,
640 		RT5514_CLK_AD0_EN_BIT, 0, NULL, 0),
641 	SND_SOC_DAPM_SUPPLY("adc stereo2 filter", RT5514_CLK_CTRL1,
642 		RT5514_CLK_AD1_EN_BIT, 0, NULL, 0),
643 
644 	SND_SOC_DAPM_MIXER("Sto1 ADC MIXL", SND_SOC_NOPM, 0, 0,
645 		rt5514_sto1_adc_l_mix, ARRAY_SIZE(rt5514_sto1_adc_l_mix)),
646 	SND_SOC_DAPM_MIXER("Sto1 ADC MIXR", SND_SOC_NOPM, 0, 0,
647 		rt5514_sto1_adc_r_mix, ARRAY_SIZE(rt5514_sto1_adc_r_mix)),
648 	SND_SOC_DAPM_MIXER("Sto2 ADC MIXL", SND_SOC_NOPM, 0, 0,
649 		rt5514_sto2_adc_l_mix, ARRAY_SIZE(rt5514_sto2_adc_l_mix)),
650 	SND_SOC_DAPM_MIXER("Sto2 ADC MIXR", SND_SOC_NOPM, 0, 0,
651 		rt5514_sto2_adc_r_mix, ARRAY_SIZE(rt5514_sto2_adc_r_mix)),
652 
653 	SND_SOC_DAPM_ADC("Stereo1 ADC MIXL", NULL, RT5514_DOWNFILTER0_CTRL1,
654 		RT5514_AD_AD_MUTE_BIT, 1),
655 	SND_SOC_DAPM_ADC("Stereo1 ADC MIXR", NULL, RT5514_DOWNFILTER0_CTRL2,
656 		RT5514_AD_AD_MUTE_BIT, 1),
657 	SND_SOC_DAPM_ADC("Stereo2 ADC MIXL", NULL, RT5514_DOWNFILTER1_CTRL1,
658 		RT5514_AD_AD_MUTE_BIT, 1),
659 	SND_SOC_DAPM_ADC("Stereo2 ADC MIXR", NULL, RT5514_DOWNFILTER1_CTRL2,
660 		RT5514_AD_AD_MUTE_BIT, 1),
661 
662 	/* ADC PGA */
663 	SND_SOC_DAPM_PGA("Stereo1 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
664 	SND_SOC_DAPM_PGA("Stereo2 ADC MIX", SND_SOC_NOPM, 0, 0, NULL, 0),
665 
666 	/* Audio Interface */
667 	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
668 };
669 
670 static const struct snd_soc_dapm_route rt5514_dapm_routes[] = {
671 	{ "DMIC1", NULL, "DMIC1L" },
672 	{ "DMIC1", NULL, "DMIC1R" },
673 	{ "DMIC2", NULL, "DMIC2L" },
674 	{ "DMIC2", NULL, "DMIC2R" },
675 
676 	{ "DMIC1L", NULL, "DMIC CLK" },
677 	{ "DMIC1R", NULL, "DMIC CLK" },
678 	{ "DMIC2L", NULL, "DMIC CLK" },
679 	{ "DMIC2R", NULL, "DMIC CLK" },
680 
681 	{ "Stereo1 DMIC Mux", "DMIC1", "DMIC1" },
682 	{ "Stereo1 DMIC Mux", "DMIC2", "DMIC2" },
683 
684 	{ "Sto1 ADC MIXL", "DMIC Switch", "Stereo1 DMIC Mux" },
685 	{ "Sto1 ADC MIXL", "ADC Switch", "AMICL" },
686 	{ "Sto1 ADC MIXR", "DMIC Switch", "Stereo1 DMIC Mux" },
687 	{ "Sto1 ADC MIXR", "ADC Switch", "AMICR" },
688 
689 	{ "ADC Power", NULL, "LDO18 IN" },
690 	{ "ADC Power", NULL, "LDO18 ADC" },
691 	{ "ADC Power", NULL, "LDO21" },
692 	{ "ADC Power", NULL, "BG LDO18 IN" },
693 	{ "ADC Power", NULL, "BG LDO21" },
694 	{ "ADC Power", NULL, "BG MBIAS" },
695 	{ "ADC Power", NULL, "MBIAS" },
696 	{ "ADC Power", NULL, "VREF2" },
697 	{ "ADC Power", NULL, "VREF1" },
698 
699 	{ "ADCL Power", NULL, "LDO16L" },
700 	{ "ADCL Power", NULL, "ADC1L" },
701 	{ "ADCL Power", NULL, "BSTL2" },
702 	{ "ADCL Power", NULL, "BSTL" },
703 	{ "ADCL Power", NULL, "ADCFEDL" },
704 
705 	{ "ADCR Power", NULL, "LDO16R" },
706 	{ "ADCR Power", NULL, "ADC1R" },
707 	{ "ADCR Power", NULL, "BSTR2" },
708 	{ "ADCR Power", NULL, "BSTR" },
709 	{ "ADCR Power", NULL, "ADCFEDR" },
710 
711 	{ "AMICL", NULL, "ADC CLK" },
712 	{ "AMICL", NULL, "ADC Power" },
713 	{ "AMICL", NULL, "ADCL Power" },
714 	{ "AMICR", NULL, "ADC CLK" },
715 	{ "AMICR", NULL, "ADC Power" },
716 	{ "AMICR", NULL, "ADCR Power" },
717 
718 	{ "PLL1 LDO", NULL, "PLL1 LDO ENABLE" },
719 	{ "PLL1", NULL, "PLL1 LDO" },
720 
721 	{ "Stereo1 ADC MIXL", NULL, "Sto1 ADC MIXL" },
722 	{ "Stereo1 ADC MIXR", NULL, "Sto1 ADC MIXR" },
723 
724 	{ "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXL" },
725 	{ "Stereo1 ADC MIX", NULL, "Stereo1 ADC MIXR" },
726 	{ "Stereo1 ADC MIX", NULL, "adc stereo1 filter" },
727 	{ "adc stereo1 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
728 	{ "adc stereo1 filter", NULL, "ASRC AD1", rt5514_i2s_use_asrc },
729 
730 	{ "Stereo2 DMIC Mux", "DMIC1", "DMIC1" },
731 	{ "Stereo2 DMIC Mux", "DMIC2", "DMIC2" },
732 
733 	{ "Sto2 ADC MIXL", "DMIC Switch", "Stereo2 DMIC Mux" },
734 	{ "Sto2 ADC MIXL", "ADC Switch", "AMICL" },
735 	{ "Sto2 ADC MIXR", "DMIC Switch", "Stereo2 DMIC Mux" },
736 	{ "Sto2 ADC MIXR", "ADC Switch", "AMICR" },
737 
738 	{ "Stereo2 ADC MIXL", NULL, "Sto2 ADC MIXL" },
739 	{ "Stereo2 ADC MIXR", NULL, "Sto2 ADC MIXR" },
740 
741 	{ "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXL" },
742 	{ "Stereo2 ADC MIX", NULL, "Stereo2 ADC MIXR" },
743 	{ "Stereo2 ADC MIX", NULL, "adc stereo2 filter" },
744 	{ "adc stereo2 filter", NULL, "PLL1", rt5514_is_sys_clk_from_pll },
745 	{ "adc stereo2 filter", NULL, "ASRC AD2", rt5514_i2s_use_asrc },
746 
747 	{ "AIF1TX", NULL, "Stereo1 ADC MIX"},
748 	{ "AIF1TX", NULL, "Stereo2 ADC MIX"},
749 };
750 
751 static int rt5514_hw_params(struct snd_pcm_substream *substream,
752 	struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
753 {
754 	struct snd_soc_component *component = dai->component;
755 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
756 	int pre_div, bclk_ms, frame_size;
757 	unsigned int val_len = 0;
758 
759 	rt5514->lrck = params_rate(params);
760 	pre_div = rl6231_get_clk_info(rt5514->sysclk, rt5514->lrck);
761 	if (pre_div < 0) {
762 		dev_err(component->dev, "Unsupported clock setting\n");
763 		return -EINVAL;
764 	}
765 
766 	frame_size = snd_soc_params_to_frame_size(params);
767 	if (frame_size < 0) {
768 		dev_err(component->dev, "Unsupported frame size: %d\n", frame_size);
769 		return -EINVAL;
770 	}
771 
772 	bclk_ms = frame_size > 32;
773 	rt5514->bclk = rt5514->lrck * (32 << bclk_ms);
774 
775 	dev_dbg(dai->dev, "bclk is %dHz and lrck is %dHz\n",
776 		rt5514->bclk, rt5514->lrck);
777 	dev_dbg(dai->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
778 				bclk_ms, pre_div, dai->id);
779 
780 	switch (params_format(params)) {
781 	case SNDRV_PCM_FORMAT_S16_LE:
782 		break;
783 	case SNDRV_PCM_FORMAT_S20_3LE:
784 		val_len = RT5514_I2S_DL_20;
785 		break;
786 	case SNDRV_PCM_FORMAT_S24_LE:
787 		val_len = RT5514_I2S_DL_24;
788 		break;
789 	case SNDRV_PCM_FORMAT_S8:
790 		val_len = RT5514_I2S_DL_8;
791 		break;
792 	default:
793 		return -EINVAL;
794 	}
795 
796 	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_I2S_DL_MASK,
797 		val_len);
798 	regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL1,
799 		RT5514_CLK_AD_ANA1_SEL_MASK,
800 		(pre_div + 1) << RT5514_CLK_AD_ANA1_SEL_SFT);
801 	regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
802 		RT5514_CLK_SYS_DIV_OUT_MASK | RT5514_SEL_ADC_OSR_MASK,
803 		pre_div << RT5514_CLK_SYS_DIV_OUT_SFT |
804 		pre_div << RT5514_SEL_ADC_OSR_SFT);
805 
806 	return 0;
807 }
808 
809 static int rt5514_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
810 {
811 	struct snd_soc_component *component = dai->component;
812 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
813 	unsigned int reg_val = 0;
814 
815 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
816 	case SND_SOC_DAIFMT_NB_NF:
817 		break;
818 
819 	case SND_SOC_DAIFMT_NB_IF:
820 		reg_val |= RT5514_I2S_LR_INV;
821 		break;
822 
823 	case SND_SOC_DAIFMT_IB_NF:
824 		reg_val |= RT5514_I2S_BP_INV;
825 		break;
826 
827 	case SND_SOC_DAIFMT_IB_IF:
828 		reg_val |= RT5514_I2S_BP_INV | RT5514_I2S_LR_INV;
829 		break;
830 
831 	default:
832 		return -EINVAL;
833 	}
834 
835 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
836 	case SND_SOC_DAIFMT_I2S:
837 		break;
838 
839 	case SND_SOC_DAIFMT_LEFT_J:
840 		reg_val |= RT5514_I2S_DF_LEFT;
841 		break;
842 
843 	case SND_SOC_DAIFMT_DSP_A:
844 		reg_val |= RT5514_I2S_DF_PCM_A;
845 		break;
846 
847 	case SND_SOC_DAIFMT_DSP_B:
848 		reg_val |= RT5514_I2S_DF_PCM_B;
849 		break;
850 
851 	default:
852 		return -EINVAL;
853 	}
854 
855 	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1,
856 		RT5514_I2S_DF_MASK | RT5514_I2S_BP_MASK | RT5514_I2S_LR_MASK,
857 		reg_val);
858 
859 	return 0;
860 }
861 
862 static int rt5514_set_dai_sysclk(struct snd_soc_dai *dai,
863 		int clk_id, unsigned int freq, int dir)
864 {
865 	struct snd_soc_component *component = dai->component;
866 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
867 	unsigned int reg_val = 0;
868 
869 	if (freq == rt5514->sysclk && clk_id == rt5514->sysclk_src)
870 		return 0;
871 
872 	switch (clk_id) {
873 	case RT5514_SCLK_S_MCLK:
874 		reg_val |= RT5514_CLK_SYS_PRE_SEL_MCLK;
875 		break;
876 
877 	case RT5514_SCLK_S_PLL1:
878 		reg_val |= RT5514_CLK_SYS_PRE_SEL_PLL;
879 		break;
880 
881 	default:
882 		dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
883 		return -EINVAL;
884 	}
885 
886 	regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
887 		RT5514_CLK_SYS_PRE_SEL_MASK, reg_val);
888 
889 	rt5514->sysclk = freq;
890 	rt5514->sysclk_src = clk_id;
891 
892 	dev_dbg(dai->dev, "Sysclk is %dHz and clock id is %d\n", freq, clk_id);
893 
894 	return 0;
895 }
896 
897 static int rt5514_set_dai_pll(struct snd_soc_dai *dai, int pll_id, int source,
898 			unsigned int freq_in, unsigned int freq_out)
899 {
900 	struct snd_soc_component *component = dai->component;
901 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
902 	struct rl6231_pll_code pll_code;
903 	int ret;
904 
905 	if (!freq_in || !freq_out) {
906 		dev_dbg(component->dev, "PLL disabled\n");
907 
908 		rt5514->pll_in = 0;
909 		rt5514->pll_out = 0;
910 		regmap_update_bits(rt5514->regmap, RT5514_CLK_CTRL2,
911 			RT5514_CLK_SYS_PRE_SEL_MASK,
912 			RT5514_CLK_SYS_PRE_SEL_MCLK);
913 
914 		return 0;
915 	}
916 
917 	if (source == rt5514->pll_src && freq_in == rt5514->pll_in &&
918 	    freq_out == rt5514->pll_out)
919 		return 0;
920 
921 	switch (source) {
922 	case RT5514_PLL1_S_MCLK:
923 		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
924 			RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_MCLK);
925 		break;
926 
927 	case RT5514_PLL1_S_BCLK:
928 		regmap_update_bits(rt5514->regmap, RT5514_PLL_SOURCE_CTRL,
929 			RT5514_PLL_1_SEL_MASK, RT5514_PLL_1_SEL_SCLK);
930 		break;
931 
932 	default:
933 		dev_err(component->dev, "Unknown PLL source %d\n", source);
934 		return -EINVAL;
935 	}
936 
937 	ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
938 	if (ret < 0) {
939 		dev_err(component->dev, "Unsupported input clock %d\n", freq_in);
940 		return ret;
941 	}
942 
943 	dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
944 		pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
945 		pll_code.n_code, pll_code.k_code);
946 
947 	regmap_write(rt5514->regmap, RT5514_ANA_CTRL_PLL1_1,
948 		pll_code.k_code << RT5514_PLL_K_SFT |
949 		pll_code.n_code << RT5514_PLL_N_SFT |
950 		(pll_code.m_bp ? 0 : pll_code.m_code) << RT5514_PLL_M_SFT);
951 	regmap_update_bits(rt5514->regmap, RT5514_ANA_CTRL_PLL1_2,
952 		RT5514_PLL_M_BP, pll_code.m_bp << RT5514_PLL_M_BP_SFT);
953 
954 	rt5514->pll_in = freq_in;
955 	rt5514->pll_out = freq_out;
956 	rt5514->pll_src = source;
957 
958 	return 0;
959 }
960 
961 static int rt5514_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask,
962 			unsigned int rx_mask, int slots, int slot_width)
963 {
964 	struct snd_soc_component *component = dai->component;
965 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
966 	unsigned int val = 0, val2 = 0;
967 
968 	if (rx_mask || tx_mask)
969 		val |= RT5514_TDM_MODE;
970 
971 	switch (tx_mask) {
972 	case 0x3:
973 		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
974 			RT5514_TDM_DOCKING_START_SLOT0;
975 		break;
976 
977 	case 0x30:
978 		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH2 |
979 			RT5514_TDM_DOCKING_START_SLOT4;
980 		break;
981 
982 	case 0xf:
983 		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
984 			RT5514_TDM_DOCKING_START_SLOT0;
985 		break;
986 
987 	case 0xf0:
988 		val2 |= RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH4 |
989 			RT5514_TDM_DOCKING_START_SLOT4;
990 		break;
991 
992 	default:
993 		break;
994 	}
995 
996 
997 
998 	switch (slots) {
999 	case 4:
1000 		val |= RT5514_TDMSLOT_SEL_RX_4CH | RT5514_TDMSLOT_SEL_TX_4CH;
1001 		break;
1002 
1003 	case 6:
1004 		val |= RT5514_TDMSLOT_SEL_RX_6CH | RT5514_TDMSLOT_SEL_TX_6CH;
1005 		break;
1006 
1007 	case 8:
1008 		val |= RT5514_TDMSLOT_SEL_RX_8CH | RT5514_TDMSLOT_SEL_TX_8CH;
1009 		break;
1010 
1011 	case 2:
1012 	default:
1013 		break;
1014 	}
1015 
1016 	switch (slot_width) {
1017 	case 20:
1018 		val |= RT5514_CH_LEN_RX_20 | RT5514_CH_LEN_TX_20;
1019 		break;
1020 
1021 	case 24:
1022 		val |= RT5514_CH_LEN_RX_24 | RT5514_CH_LEN_TX_24;
1023 		break;
1024 
1025 	case 25:
1026 		val |= RT5514_TDM_MODE2;
1027 		break;
1028 
1029 	case 32:
1030 		val |= RT5514_CH_LEN_RX_32 | RT5514_CH_LEN_TX_32;
1031 		break;
1032 
1033 	case 16:
1034 	default:
1035 		break;
1036 	}
1037 
1038 	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL1, RT5514_TDM_MODE |
1039 		RT5514_TDMSLOT_SEL_RX_MASK | RT5514_TDMSLOT_SEL_TX_MASK |
1040 		RT5514_CH_LEN_RX_MASK | RT5514_CH_LEN_TX_MASK |
1041 		RT5514_TDM_MODE2, val);
1042 
1043 	regmap_update_bits(rt5514->regmap, RT5514_I2S_CTRL2,
1044 		RT5514_TDM_DOCKING_MODE | RT5514_TDM_DOCKING_VALID_CH_MASK |
1045 		RT5514_TDM_DOCKING_START_MASK, val2);
1046 
1047 	return 0;
1048 }
1049 
1050 static int rt5514_set_bias_level(struct snd_soc_component *component,
1051 			enum snd_soc_bias_level level)
1052 {
1053 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
1054 	int ret;
1055 
1056 	switch (level) {
1057 	case SND_SOC_BIAS_PREPARE:
1058 		if (IS_ERR(rt5514->mclk))
1059 			break;
1060 
1061 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON) {
1062 			clk_disable_unprepare(rt5514->mclk);
1063 		} else {
1064 			ret = clk_prepare_enable(rt5514->mclk);
1065 			if (ret)
1066 				return ret;
1067 		}
1068 		break;
1069 
1070 	case SND_SOC_BIAS_STANDBY:
1071 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1072 			/*
1073 			 * If the DSP is enabled in start of recording, the DSP
1074 			 * should be disabled, and sync back to normal recording
1075 			 * settings to make sure recording properly.
1076 			 */
1077 			if (rt5514->dsp_enabled) {
1078 				rt5514->dsp_enabled = 0;
1079 				regmap_multi_reg_write(rt5514->i2c_regmap,
1080 					rt5514_i2c_patch,
1081 					ARRAY_SIZE(rt5514_i2c_patch));
1082 				regcache_mark_dirty(rt5514->regmap);
1083 				regcache_sync(rt5514->regmap);
1084 			}
1085 		}
1086 		break;
1087 
1088 	default:
1089 		break;
1090 	}
1091 
1092 	return 0;
1093 }
1094 
1095 static int rt5514_probe(struct snd_soc_component *component)
1096 {
1097 	struct rt5514_priv *rt5514 = snd_soc_component_get_drvdata(component);
1098 	struct platform_device *pdev = container_of(component->dev,
1099 						   struct platform_device, dev);
1100 
1101 	rt5514->mclk = devm_clk_get(component->dev, "mclk");
1102 	if (PTR_ERR(rt5514->mclk) == -EPROBE_DEFER)
1103 		return -EPROBE_DEFER;
1104 
1105 	if (rt5514->pdata.dsp_calib_clk_name) {
1106 		rt5514->dsp_calib_clk = devm_clk_get(&pdev->dev,
1107 				rt5514->pdata.dsp_calib_clk_name);
1108 		if (PTR_ERR(rt5514->dsp_calib_clk) == -EPROBE_DEFER)
1109 			return -EPROBE_DEFER;
1110 	}
1111 
1112 	rt5514->component = component;
1113 	rt5514->pll3_cal_value = 0x0078b000;
1114 
1115 	return 0;
1116 }
1117 
1118 static int rt5514_i2c_read(void *context, unsigned int reg, unsigned int *val)
1119 {
1120 	struct i2c_client *client = context;
1121 	struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1122 
1123 	regmap_read(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1124 
1125 	return 0;
1126 }
1127 
1128 static int rt5514_i2c_write(void *context, unsigned int reg, unsigned int val)
1129 {
1130 	struct i2c_client *client = context;
1131 	struct rt5514_priv *rt5514 = i2c_get_clientdata(client);
1132 
1133 	regmap_write(rt5514->i2c_regmap, reg | RT5514_DSP_MAPPING, val);
1134 
1135 	return 0;
1136 }
1137 
1138 #define RT5514_STEREO_RATES SNDRV_PCM_RATE_8000_192000
1139 #define RT5514_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1140 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1141 
1142 static const struct snd_soc_dai_ops rt5514_aif_dai_ops = {
1143 	.hw_params = rt5514_hw_params,
1144 	.set_fmt = rt5514_set_dai_fmt,
1145 	.set_sysclk = rt5514_set_dai_sysclk,
1146 	.set_pll = rt5514_set_dai_pll,
1147 	.set_tdm_slot = rt5514_set_tdm_slot,
1148 };
1149 
1150 static struct snd_soc_dai_driver rt5514_dai[] = {
1151 	{
1152 		.name = "rt5514-aif1",
1153 		.id = 0,
1154 		.capture = {
1155 			.stream_name = "AIF1 Capture",
1156 			.channels_min = 1,
1157 			.channels_max = 4,
1158 			.rates = RT5514_STEREO_RATES,
1159 			.formats = RT5514_FORMATS,
1160 		},
1161 		.ops = &rt5514_aif_dai_ops,
1162 	}
1163 };
1164 
1165 static const struct snd_soc_component_driver soc_component_dev_rt5514 = {
1166 	.probe			= rt5514_probe,
1167 	.set_bias_level		= rt5514_set_bias_level,
1168 	.controls		= rt5514_snd_controls,
1169 	.num_controls		= ARRAY_SIZE(rt5514_snd_controls),
1170 	.dapm_widgets		= rt5514_dapm_widgets,
1171 	.num_dapm_widgets	= ARRAY_SIZE(rt5514_dapm_widgets),
1172 	.dapm_routes		= rt5514_dapm_routes,
1173 	.num_dapm_routes	= ARRAY_SIZE(rt5514_dapm_routes),
1174 	.use_pmdown_time	= 1,
1175 	.endianness		= 1,
1176 	.non_legacy_dai_naming	= 1,
1177 };
1178 
1179 static const struct regmap_config rt5514_i2c_regmap = {
1180 	.name = "i2c",
1181 	.reg_bits = 32,
1182 	.val_bits = 32,
1183 
1184 	.readable_reg = rt5514_i2c_readable_register,
1185 
1186 	.cache_type = REGCACHE_NONE,
1187 };
1188 
1189 static const struct regmap_config rt5514_regmap = {
1190 	.reg_bits = 16,
1191 	.val_bits = 32,
1192 
1193 	.max_register = RT5514_VENDOR_ID2,
1194 	.volatile_reg = rt5514_volatile_register,
1195 	.readable_reg = rt5514_readable_register,
1196 	.reg_read = rt5514_i2c_read,
1197 	.reg_write = rt5514_i2c_write,
1198 
1199 	.cache_type = REGCACHE_RBTREE,
1200 	.reg_defaults = rt5514_reg,
1201 	.num_reg_defaults = ARRAY_SIZE(rt5514_reg),
1202 	.use_single_read = true,
1203 	.use_single_write = true,
1204 };
1205 
1206 static const struct i2c_device_id rt5514_i2c_id[] = {
1207 	{ "rt5514", 0 },
1208 	{ }
1209 };
1210 MODULE_DEVICE_TABLE(i2c, rt5514_i2c_id);
1211 
1212 #if defined(CONFIG_OF)
1213 static const struct of_device_id rt5514_of_match[] = {
1214 	{ .compatible = "realtek,rt5514", },
1215 	{},
1216 };
1217 MODULE_DEVICE_TABLE(of, rt5514_of_match);
1218 #endif
1219 
1220 #ifdef CONFIG_ACPI
1221 static const struct acpi_device_id rt5514_acpi_match[] = {
1222 	{ "10EC5514", 0},
1223 	{},
1224 };
1225 MODULE_DEVICE_TABLE(acpi, rt5514_acpi_match);
1226 #endif
1227 
1228 static int rt5514_parse_dp(struct rt5514_priv *rt5514, struct device *dev)
1229 {
1230 	device_property_read_u32(dev, "realtek,dmic-init-delay-ms",
1231 		&rt5514->pdata.dmic_init_delay);
1232 	device_property_read_string(dev, "realtek,dsp-calib-clk-name",
1233 		&rt5514->pdata.dsp_calib_clk_name);
1234 	device_property_read_u32(dev, "realtek,dsp-calib-clk-rate",
1235 		&rt5514->pdata.dsp_calib_clk_rate);
1236 
1237 	return 0;
1238 }
1239 
1240 static __maybe_unused int rt5514_i2c_resume(struct device *dev)
1241 {
1242 	struct rt5514_priv *rt5514 = dev_get_drvdata(dev);
1243 	unsigned int val;
1244 
1245 	/*
1246 	 * Add a bogus read to avoid rt5514's confusion after s2r in case it
1247 	 * saw glitches on the i2c lines and thought the other side sent a
1248 	 * start bit.
1249 	 */
1250 	regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1251 
1252 	return 0;
1253 }
1254 
1255 static int rt5514_i2c_probe(struct i2c_client *i2c)
1256 {
1257 	struct rt5514_platform_data *pdata = dev_get_platdata(&i2c->dev);
1258 	struct rt5514_priv *rt5514;
1259 	int ret;
1260 	unsigned int val = ~0;
1261 
1262 	rt5514 = devm_kzalloc(&i2c->dev, sizeof(struct rt5514_priv),
1263 				GFP_KERNEL);
1264 	if (rt5514 == NULL)
1265 		return -ENOMEM;
1266 
1267 	i2c_set_clientdata(i2c, rt5514);
1268 
1269 	if (pdata)
1270 		rt5514->pdata = *pdata;
1271 	else
1272 		rt5514_parse_dp(rt5514, &i2c->dev);
1273 
1274 	rt5514->i2c_regmap = devm_regmap_init_i2c(i2c, &rt5514_i2c_regmap);
1275 	if (IS_ERR(rt5514->i2c_regmap)) {
1276 		ret = PTR_ERR(rt5514->i2c_regmap);
1277 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1278 			ret);
1279 		return ret;
1280 	}
1281 
1282 	rt5514->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt5514_regmap);
1283 	if (IS_ERR(rt5514->regmap)) {
1284 		ret = PTR_ERR(rt5514->regmap);
1285 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1286 			ret);
1287 		return ret;
1288 	}
1289 
1290 	/*
1291 	 * The rt5514 can get confused if the i2c lines glitch together, as
1292 	 * can happen at bootup as regulators are turned off and on.  If it's
1293 	 * in this glitched state the first i2c read will fail, so we'll give
1294 	 * it one change to retry.
1295 	 */
1296 	ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1297 	if (ret || val != RT5514_DEVICE_ID)
1298 		ret = regmap_read(rt5514->regmap, RT5514_VENDOR_ID2, &val);
1299 	if (ret || val != RT5514_DEVICE_ID) {
1300 		dev_err(&i2c->dev,
1301 			"Device with ID register %x is not rt5514\n", val);
1302 		return -ENODEV;
1303 	}
1304 
1305 	ret = regmap_multi_reg_write(rt5514->i2c_regmap, rt5514_i2c_patch,
1306 				    ARRAY_SIZE(rt5514_i2c_patch));
1307 	if (ret != 0)
1308 		dev_warn(&i2c->dev, "Failed to apply i2c_regmap patch: %d\n",
1309 			ret);
1310 
1311 	ret = regmap_register_patch(rt5514->regmap, rt5514_patch,
1312 				    ARRAY_SIZE(rt5514_patch));
1313 	if (ret != 0)
1314 		dev_warn(&i2c->dev, "Failed to apply regmap patch: %d\n", ret);
1315 
1316 	return devm_snd_soc_register_component(&i2c->dev,
1317 			&soc_component_dev_rt5514,
1318 			rt5514_dai, ARRAY_SIZE(rt5514_dai));
1319 }
1320 
1321 static const struct dev_pm_ops rt5514_i2_pm_ops = {
1322 	SET_SYSTEM_SLEEP_PM_OPS(NULL, rt5514_i2c_resume)
1323 };
1324 
1325 static struct i2c_driver rt5514_i2c_driver = {
1326 	.driver = {
1327 		.name = "rt5514",
1328 		.acpi_match_table = ACPI_PTR(rt5514_acpi_match),
1329 		.of_match_table = of_match_ptr(rt5514_of_match),
1330 		.pm = &rt5514_i2_pm_ops,
1331 	},
1332 	.probe_new = rt5514_i2c_probe,
1333 	.id_table = rt5514_i2c_id,
1334 };
1335 module_i2c_driver(rt5514_i2c_driver);
1336 
1337 MODULE_DESCRIPTION("ASoC RT5514 driver");
1338 MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>");
1339 MODULE_LICENSE("GPL v2");
1340