xref: /openbmc/linux/sound/soc/codecs/tlv320aic32x4.c (revision 8365a898)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * linux/sound/soc/codecs/tlv320aic32x4.c
4  *
5  * Copyright 2011 Vista Silicon S.L.
6  *
7  * Author: Javier Martin <javier.martin@vista-silicon.com>
8  *
9  * Based on sound/soc/codecs/wm8974 and TI driver for kernel 2.6.27.
10  */
11 
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/pm.h>
17 #include <linux/gpio.h>
18 #include <linux/of_gpio.h>
19 #include <linux/cdev.h>
20 #include <linux/slab.h>
21 #include <linux/clk.h>
22 #include <linux/of_clk.h>
23 #include <linux/regulator/consumer.h>
24 
25 #include <sound/tlv320aic32x4.h>
26 #include <sound/core.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30 #include <sound/soc-dapm.h>
31 #include <sound/initval.h>
32 #include <sound/tlv.h>
33 
34 #include "tlv320aic32x4.h"
35 
36 struct aic32x4_priv {
37 	struct regmap *regmap;
38 	u32 power_cfg;
39 	u32 micpga_routing;
40 	bool swapdacs;
41 	int rstn_gpio;
42 	const char *mclk_name;
43 
44 	struct regulator *supply_ldo;
45 	struct regulator *supply_iov;
46 	struct regulator *supply_dv;
47 	struct regulator *supply_av;
48 
49 	struct aic32x4_setup_data *setup;
50 	struct device *dev;
51 };
52 
53 static int mic_bias_event(struct snd_soc_dapm_widget *w,
54 	struct snd_kcontrol *kcontrol, int event)
55 {
56 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
57 
58 	switch (event) {
59 	case SND_SOC_DAPM_POST_PMU:
60 		/* Change Mic Bias Registor */
61 		snd_soc_component_update_bits(component, AIC32X4_MICBIAS,
62 				AIC32x4_MICBIAS_MASK,
63 				AIC32X4_MICBIAS_LDOIN |
64 				AIC32X4_MICBIAS_2075V);
65 		printk(KERN_DEBUG "%s: Mic Bias will be turned ON\n", __func__);
66 		break;
67 	case SND_SOC_DAPM_PRE_PMD:
68 		snd_soc_component_update_bits(component, AIC32X4_MICBIAS,
69 				AIC32x4_MICBIAS_MASK, 0);
70 		printk(KERN_DEBUG "%s: Mic Bias will be turned OFF\n",
71 				__func__);
72 		break;
73 	}
74 
75 	return 0;
76 }
77 
78 
79 static int aic32x4_get_mfp1_gpio(struct snd_kcontrol *kcontrol,
80 	struct snd_ctl_elem_value *ucontrol)
81 {
82 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
83 	u8 val;
84 
85 	val = snd_soc_component_read32(component, AIC32X4_DINCTL);
86 
87 	ucontrol->value.integer.value[0] = (val & 0x01);
88 
89 	return 0;
90 };
91 
92 static int aic32x4_set_mfp2_gpio(struct snd_kcontrol *kcontrol,
93 	struct snd_ctl_elem_value *ucontrol)
94 {
95 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
96 	u8 val;
97 	u8 gpio_check;
98 
99 	val = snd_soc_component_read32(component, AIC32X4_DOUTCTL);
100 	gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
101 	if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
102 		printk(KERN_ERR "%s: MFP2 is not configure as a GPIO output\n",
103 			__func__);
104 		return -EINVAL;
105 	}
106 
107 	if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP2_GPIO_OUT_HIGH))
108 		return 0;
109 
110 	if (ucontrol->value.integer.value[0])
111 		val |= ucontrol->value.integer.value[0];
112 	else
113 		val &= ~AIC32X4_MFP2_GPIO_OUT_HIGH;
114 
115 	snd_soc_component_write(component, AIC32X4_DOUTCTL, val);
116 
117 	return 0;
118 };
119 
120 static int aic32x4_get_mfp3_gpio(struct snd_kcontrol *kcontrol,
121 	struct snd_ctl_elem_value *ucontrol)
122 {
123 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
124 	u8 val;
125 
126 	val = snd_soc_component_read32(component, AIC32X4_SCLKCTL);
127 
128 	ucontrol->value.integer.value[0] = (val & 0x01);
129 
130 	return 0;
131 };
132 
133 static int aic32x4_set_mfp4_gpio(struct snd_kcontrol *kcontrol,
134 	struct snd_ctl_elem_value *ucontrol)
135 {
136 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
137 	u8 val;
138 	u8 gpio_check;
139 
140 	val = snd_soc_component_read32(component, AIC32X4_MISOCTL);
141 	gpio_check = (val & AIC32X4_MFP_GPIO_ENABLED);
142 	if (gpio_check != AIC32X4_MFP_GPIO_ENABLED) {
143 		printk(KERN_ERR "%s: MFP4 is not configure as a GPIO output\n",
144 			__func__);
145 		return -EINVAL;
146 	}
147 
148 	if (ucontrol->value.integer.value[0] == (val & AIC32X4_MFP5_GPIO_OUT_HIGH))
149 		return 0;
150 
151 	if (ucontrol->value.integer.value[0])
152 		val |= ucontrol->value.integer.value[0];
153 	else
154 		val &= ~AIC32X4_MFP5_GPIO_OUT_HIGH;
155 
156 	snd_soc_component_write(component, AIC32X4_MISOCTL, val);
157 
158 	return 0;
159 };
160 
161 static int aic32x4_get_mfp5_gpio(struct snd_kcontrol *kcontrol,
162 	struct snd_ctl_elem_value *ucontrol)
163 {
164 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
165 	u8 val;
166 
167 	val = snd_soc_component_read32(component, AIC32X4_GPIOCTL);
168 	ucontrol->value.integer.value[0] = ((val & 0x2) >> 1);
169 
170 	return 0;
171 };
172 
173 static int aic32x4_set_mfp5_gpio(struct snd_kcontrol *kcontrol,
174 	struct snd_ctl_elem_value *ucontrol)
175 {
176 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
177 	u8 val;
178 	u8 gpio_check;
179 
180 	val = snd_soc_component_read32(component, AIC32X4_GPIOCTL);
181 	gpio_check = (val & AIC32X4_MFP5_GPIO_OUTPUT);
182 	if (gpio_check != AIC32X4_MFP5_GPIO_OUTPUT) {
183 		printk(KERN_ERR "%s: MFP5 is not configure as a GPIO output\n",
184 			__func__);
185 		return -EINVAL;
186 	}
187 
188 	if (ucontrol->value.integer.value[0] == (val & 0x1))
189 		return 0;
190 
191 	if (ucontrol->value.integer.value[0])
192 		val |= ucontrol->value.integer.value[0];
193 	else
194 		val &= 0xfe;
195 
196 	snd_soc_component_write(component, AIC32X4_GPIOCTL, val);
197 
198 	return 0;
199 };
200 
201 static const struct snd_kcontrol_new aic32x4_mfp1[] = {
202 	SOC_SINGLE_BOOL_EXT("MFP1 GPIO", 0, aic32x4_get_mfp1_gpio, NULL),
203 };
204 
205 static const struct snd_kcontrol_new aic32x4_mfp2[] = {
206 	SOC_SINGLE_BOOL_EXT("MFP2 GPIO", 0, NULL, aic32x4_set_mfp2_gpio),
207 };
208 
209 static const struct snd_kcontrol_new aic32x4_mfp3[] = {
210 	SOC_SINGLE_BOOL_EXT("MFP3 GPIO", 0, aic32x4_get_mfp3_gpio, NULL),
211 };
212 
213 static const struct snd_kcontrol_new aic32x4_mfp4[] = {
214 	SOC_SINGLE_BOOL_EXT("MFP4 GPIO", 0, NULL, aic32x4_set_mfp4_gpio),
215 };
216 
217 static const struct snd_kcontrol_new aic32x4_mfp5[] = {
218 	SOC_SINGLE_BOOL_EXT("MFP5 GPIO", 0, aic32x4_get_mfp5_gpio,
219 		aic32x4_set_mfp5_gpio),
220 };
221 
222 /* 0dB min, 0.5dB steps */
223 static DECLARE_TLV_DB_SCALE(tlv_step_0_5, 0, 50, 0);
224 /* -63.5dB min, 0.5dB steps */
225 static DECLARE_TLV_DB_SCALE(tlv_pcm, -6350, 50, 0);
226 /* -6dB min, 1dB steps */
227 static DECLARE_TLV_DB_SCALE(tlv_driver_gain, -600, 100, 0);
228 /* -12dB min, 0.5dB steps */
229 static DECLARE_TLV_DB_SCALE(tlv_adc_vol, -1200, 50, 0);
230 
231 static const char * const lo_cm_text[] = {
232 	"Full Chip", "1.65V",
233 };
234 
235 static SOC_ENUM_SINGLE_DECL(lo_cm_enum, AIC32X4_CMMODE, 3, lo_cm_text);
236 
237 static const char * const ptm_text[] = {
238 	"P3", "P2", "P1",
239 };
240 
241 static SOC_ENUM_SINGLE_DECL(l_ptm_enum, AIC32X4_LPLAYBACK, 2, ptm_text);
242 static SOC_ENUM_SINGLE_DECL(r_ptm_enum, AIC32X4_RPLAYBACK, 2, ptm_text);
243 
244 static const struct snd_kcontrol_new aic32x4_snd_controls[] = {
245 	SOC_DOUBLE_R_S_TLV("PCM Playback Volume", AIC32X4_LDACVOL,
246 			AIC32X4_RDACVOL, 0, -0x7f, 0x30, 7, 0, tlv_pcm),
247 	SOC_ENUM("DAC Left Playback PowerTune Switch", l_ptm_enum),
248 	SOC_ENUM("DAC Right Playback PowerTune Switch", r_ptm_enum),
249 	SOC_DOUBLE_R_S_TLV("HP Driver Gain Volume", AIC32X4_HPLGAIN,
250 			AIC32X4_HPRGAIN, 0, -0x6, 0x1d, 5, 0,
251 			tlv_driver_gain),
252 	SOC_DOUBLE_R_S_TLV("LO Driver Gain Volume", AIC32X4_LOLGAIN,
253 			AIC32X4_LORGAIN, 0, -0x6, 0x1d, 5, 0,
254 			tlv_driver_gain),
255 	SOC_DOUBLE_R("HP DAC Playback Switch", AIC32X4_HPLGAIN,
256 			AIC32X4_HPRGAIN, 6, 0x01, 1),
257 	SOC_DOUBLE_R("LO DAC Playback Switch", AIC32X4_LOLGAIN,
258 			AIC32X4_LORGAIN, 6, 0x01, 1),
259 	SOC_ENUM("LO Playback Common Mode Switch", lo_cm_enum),
260 	SOC_DOUBLE_R("Mic PGA Switch", AIC32X4_LMICPGAVOL,
261 			AIC32X4_RMICPGAVOL, 7, 0x01, 1),
262 
263 	SOC_SINGLE("ADCFGA Left Mute Switch", AIC32X4_ADCFGA, 7, 1, 0),
264 	SOC_SINGLE("ADCFGA Right Mute Switch", AIC32X4_ADCFGA, 3, 1, 0),
265 
266 	SOC_DOUBLE_R_S_TLV("ADC Level Volume", AIC32X4_LADCVOL,
267 			AIC32X4_RADCVOL, 0, -0x18, 0x28, 6, 0, tlv_adc_vol),
268 	SOC_DOUBLE_R_TLV("PGA Level Volume", AIC32X4_LMICPGAVOL,
269 			AIC32X4_RMICPGAVOL, 0, 0x5f, 0, tlv_step_0_5),
270 
271 	SOC_SINGLE("Auto-mute Switch", AIC32X4_DACMUTE, 4, 7, 0),
272 
273 	SOC_SINGLE("AGC Left Switch", AIC32X4_LAGC1, 7, 1, 0),
274 	SOC_SINGLE("AGC Right Switch", AIC32X4_RAGC1, 7, 1, 0),
275 	SOC_DOUBLE_R("AGC Target Level", AIC32X4_LAGC1, AIC32X4_RAGC1,
276 			4, 0x07, 0),
277 	SOC_DOUBLE_R("AGC Gain Hysteresis", AIC32X4_LAGC1, AIC32X4_RAGC1,
278 			0, 0x03, 0),
279 	SOC_DOUBLE_R("AGC Hysteresis", AIC32X4_LAGC2, AIC32X4_RAGC2,
280 			6, 0x03, 0),
281 	SOC_DOUBLE_R("AGC Noise Threshold", AIC32X4_LAGC2, AIC32X4_RAGC2,
282 			1, 0x1F, 0),
283 	SOC_DOUBLE_R("AGC Max PGA", AIC32X4_LAGC3, AIC32X4_RAGC3,
284 			0, 0x7F, 0),
285 	SOC_DOUBLE_R("AGC Attack Time", AIC32X4_LAGC4, AIC32X4_RAGC4,
286 			3, 0x1F, 0),
287 	SOC_DOUBLE_R("AGC Decay Time", AIC32X4_LAGC5, AIC32X4_RAGC5,
288 			3, 0x1F, 0),
289 	SOC_DOUBLE_R("AGC Noise Debounce", AIC32X4_LAGC6, AIC32X4_RAGC6,
290 			0, 0x1F, 0),
291 	SOC_DOUBLE_R("AGC Signal Debounce", AIC32X4_LAGC7, AIC32X4_RAGC7,
292 			0, 0x0F, 0),
293 };
294 
295 static const struct snd_kcontrol_new hpl_output_mixer_controls[] = {
296 	SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_HPLROUTE, 3, 1, 0),
297 	SOC_DAPM_SINGLE("IN1_L Switch", AIC32X4_HPLROUTE, 2, 1, 0),
298 };
299 
300 static const struct snd_kcontrol_new hpr_output_mixer_controls[] = {
301 	SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_HPRROUTE, 3, 1, 0),
302 	SOC_DAPM_SINGLE("IN1_R Switch", AIC32X4_HPRROUTE, 2, 1, 0),
303 };
304 
305 static const struct snd_kcontrol_new lol_output_mixer_controls[] = {
306 	SOC_DAPM_SINGLE("L_DAC Switch", AIC32X4_LOLROUTE, 3, 1, 0),
307 };
308 
309 static const struct snd_kcontrol_new lor_output_mixer_controls[] = {
310 	SOC_DAPM_SINGLE("R_DAC Switch", AIC32X4_LORROUTE, 3, 1, 0),
311 };
312 
313 static const char * const resistor_text[] = {
314 	"Off", "10 kOhm", "20 kOhm", "40 kOhm",
315 };
316 
317 /* Left mixer pins */
318 static SOC_ENUM_SINGLE_DECL(in1l_lpga_p_enum, AIC32X4_LMICPGAPIN, 6, resistor_text);
319 static SOC_ENUM_SINGLE_DECL(in2l_lpga_p_enum, AIC32X4_LMICPGAPIN, 4, resistor_text);
320 static SOC_ENUM_SINGLE_DECL(in3l_lpga_p_enum, AIC32X4_LMICPGAPIN, 2, resistor_text);
321 static SOC_ENUM_SINGLE_DECL(in1r_lpga_p_enum, AIC32X4_LMICPGAPIN, 0, resistor_text);
322 
323 static SOC_ENUM_SINGLE_DECL(cml_lpga_n_enum, AIC32X4_LMICPGANIN, 6, resistor_text);
324 static SOC_ENUM_SINGLE_DECL(in2r_lpga_n_enum, AIC32X4_LMICPGANIN, 4, resistor_text);
325 static SOC_ENUM_SINGLE_DECL(in3r_lpga_n_enum, AIC32X4_LMICPGANIN, 2, resistor_text);
326 
327 static const struct snd_kcontrol_new in1l_to_lmixer_controls[] = {
328 	SOC_DAPM_ENUM("IN1_L L+ Switch", in1l_lpga_p_enum),
329 };
330 static const struct snd_kcontrol_new in2l_to_lmixer_controls[] = {
331 	SOC_DAPM_ENUM("IN2_L L+ Switch", in2l_lpga_p_enum),
332 };
333 static const struct snd_kcontrol_new in3l_to_lmixer_controls[] = {
334 	SOC_DAPM_ENUM("IN3_L L+ Switch", in3l_lpga_p_enum),
335 };
336 static const struct snd_kcontrol_new in1r_to_lmixer_controls[] = {
337 	SOC_DAPM_ENUM("IN1_R L+ Switch", in1r_lpga_p_enum),
338 };
339 static const struct snd_kcontrol_new cml_to_lmixer_controls[] = {
340 	SOC_DAPM_ENUM("CM_L L- Switch", cml_lpga_n_enum),
341 };
342 static const struct snd_kcontrol_new in2r_to_lmixer_controls[] = {
343 	SOC_DAPM_ENUM("IN2_R L- Switch", in2r_lpga_n_enum),
344 };
345 static const struct snd_kcontrol_new in3r_to_lmixer_controls[] = {
346 	SOC_DAPM_ENUM("IN3_R L- Switch", in3r_lpga_n_enum),
347 };
348 
349 /*	Right mixer pins */
350 static SOC_ENUM_SINGLE_DECL(in1r_rpga_p_enum, AIC32X4_RMICPGAPIN, 6, resistor_text);
351 static SOC_ENUM_SINGLE_DECL(in2r_rpga_p_enum, AIC32X4_RMICPGAPIN, 4, resistor_text);
352 static SOC_ENUM_SINGLE_DECL(in3r_rpga_p_enum, AIC32X4_RMICPGAPIN, 2, resistor_text);
353 static SOC_ENUM_SINGLE_DECL(in2l_rpga_p_enum, AIC32X4_RMICPGAPIN, 0, resistor_text);
354 static SOC_ENUM_SINGLE_DECL(cmr_rpga_n_enum, AIC32X4_RMICPGANIN, 6, resistor_text);
355 static SOC_ENUM_SINGLE_DECL(in1l_rpga_n_enum, AIC32X4_RMICPGANIN, 4, resistor_text);
356 static SOC_ENUM_SINGLE_DECL(in3l_rpga_n_enum, AIC32X4_RMICPGANIN, 2, resistor_text);
357 
358 static const struct snd_kcontrol_new in1r_to_rmixer_controls[] = {
359 	SOC_DAPM_ENUM("IN1_R R+ Switch", in1r_rpga_p_enum),
360 };
361 static const struct snd_kcontrol_new in2r_to_rmixer_controls[] = {
362 	SOC_DAPM_ENUM("IN2_R R+ Switch", in2r_rpga_p_enum),
363 };
364 static const struct snd_kcontrol_new in3r_to_rmixer_controls[] = {
365 	SOC_DAPM_ENUM("IN3_R R+ Switch", in3r_rpga_p_enum),
366 };
367 static const struct snd_kcontrol_new in2l_to_rmixer_controls[] = {
368 	SOC_DAPM_ENUM("IN2_L R+ Switch", in2l_rpga_p_enum),
369 };
370 static const struct snd_kcontrol_new cmr_to_rmixer_controls[] = {
371 	SOC_DAPM_ENUM("CM_R R- Switch", cmr_rpga_n_enum),
372 };
373 static const struct snd_kcontrol_new in1l_to_rmixer_controls[] = {
374 	SOC_DAPM_ENUM("IN1_L R- Switch", in1l_rpga_n_enum),
375 };
376 static const struct snd_kcontrol_new in3l_to_rmixer_controls[] = {
377 	SOC_DAPM_ENUM("IN3_L R- Switch", in3l_rpga_n_enum),
378 };
379 
380 static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
381 	SND_SOC_DAPM_DAC("Left DAC", "Left Playback", AIC32X4_DACSETUP, 7, 0),
382 	SND_SOC_DAPM_MIXER("HPL Output Mixer", SND_SOC_NOPM, 0, 0,
383 			   &hpl_output_mixer_controls[0],
384 			   ARRAY_SIZE(hpl_output_mixer_controls)),
385 	SND_SOC_DAPM_PGA("HPL Power", AIC32X4_OUTPWRCTL, 5, 0, NULL, 0),
386 
387 	SND_SOC_DAPM_MIXER("LOL Output Mixer", SND_SOC_NOPM, 0, 0,
388 			   &lol_output_mixer_controls[0],
389 			   ARRAY_SIZE(lol_output_mixer_controls)),
390 	SND_SOC_DAPM_PGA("LOL Power", AIC32X4_OUTPWRCTL, 3, 0, NULL, 0),
391 
392 	SND_SOC_DAPM_DAC("Right DAC", "Right Playback", AIC32X4_DACSETUP, 6, 0),
393 	SND_SOC_DAPM_MIXER("HPR Output Mixer", SND_SOC_NOPM, 0, 0,
394 			   &hpr_output_mixer_controls[0],
395 			   ARRAY_SIZE(hpr_output_mixer_controls)),
396 	SND_SOC_DAPM_PGA("HPR Power", AIC32X4_OUTPWRCTL, 4, 0, NULL, 0),
397 	SND_SOC_DAPM_MIXER("LOR Output Mixer", SND_SOC_NOPM, 0, 0,
398 			   &lor_output_mixer_controls[0],
399 			   ARRAY_SIZE(lor_output_mixer_controls)),
400 	SND_SOC_DAPM_PGA("LOR Power", AIC32X4_OUTPWRCTL, 2, 0, NULL, 0),
401 
402 	SND_SOC_DAPM_ADC("Right ADC", "Right Capture", AIC32X4_ADCSETUP, 6, 0),
403 	SND_SOC_DAPM_MUX("IN1_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
404 			in1r_to_rmixer_controls),
405 	SND_SOC_DAPM_MUX("IN2_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
406 			in2r_to_rmixer_controls),
407 	SND_SOC_DAPM_MUX("IN3_R to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
408 			in3r_to_rmixer_controls),
409 	SND_SOC_DAPM_MUX("IN2_L to Right Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
410 			in2l_to_rmixer_controls),
411 	SND_SOC_DAPM_MUX("CM_R to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
412 			cmr_to_rmixer_controls),
413 	SND_SOC_DAPM_MUX("IN1_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
414 			in1l_to_rmixer_controls),
415 	SND_SOC_DAPM_MUX("IN3_L to Right Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
416 			in3l_to_rmixer_controls),
417 
418 	SND_SOC_DAPM_ADC("Left ADC", "Left Capture", AIC32X4_ADCSETUP, 7, 0),
419 	SND_SOC_DAPM_MUX("IN1_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
420 			in1l_to_lmixer_controls),
421 	SND_SOC_DAPM_MUX("IN2_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
422 			in2l_to_lmixer_controls),
423 	SND_SOC_DAPM_MUX("IN3_L to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
424 			in3l_to_lmixer_controls),
425 	SND_SOC_DAPM_MUX("IN1_R to Left Mixer Positive Resistor", SND_SOC_NOPM, 0, 0,
426 			in1r_to_lmixer_controls),
427 	SND_SOC_DAPM_MUX("CM_L to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
428 			cml_to_lmixer_controls),
429 	SND_SOC_DAPM_MUX("IN2_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
430 			in2r_to_lmixer_controls),
431 	SND_SOC_DAPM_MUX("IN3_R to Left Mixer Negative Resistor", SND_SOC_NOPM, 0, 0,
432 			in3r_to_lmixer_controls),
433 
434 	SND_SOC_DAPM_SUPPLY("Mic Bias", AIC32X4_MICBIAS, 6, 0, mic_bias_event,
435 			SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
436 
437 
438 	SND_SOC_DAPM_OUTPUT("HPL"),
439 	SND_SOC_DAPM_OUTPUT("HPR"),
440 	SND_SOC_DAPM_OUTPUT("LOL"),
441 	SND_SOC_DAPM_OUTPUT("LOR"),
442 	SND_SOC_DAPM_INPUT("IN1_L"),
443 	SND_SOC_DAPM_INPUT("IN1_R"),
444 	SND_SOC_DAPM_INPUT("IN2_L"),
445 	SND_SOC_DAPM_INPUT("IN2_R"),
446 	SND_SOC_DAPM_INPUT("IN3_L"),
447 	SND_SOC_DAPM_INPUT("IN3_R"),
448 	SND_SOC_DAPM_INPUT("CM_L"),
449 	SND_SOC_DAPM_INPUT("CM_R"),
450 };
451 
452 static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
453 	/* Left Output */
454 	{"HPL Output Mixer", "L_DAC Switch", "Left DAC"},
455 	{"HPL Output Mixer", "IN1_L Switch", "IN1_L"},
456 
457 	{"HPL Power", NULL, "HPL Output Mixer"},
458 	{"HPL", NULL, "HPL Power"},
459 
460 	{"LOL Output Mixer", "L_DAC Switch", "Left DAC"},
461 
462 	{"LOL Power", NULL, "LOL Output Mixer"},
463 	{"LOL", NULL, "LOL Power"},
464 
465 	/* Right Output */
466 	{"HPR Output Mixer", "R_DAC Switch", "Right DAC"},
467 	{"HPR Output Mixer", "IN1_R Switch", "IN1_R"},
468 
469 	{"HPR Power", NULL, "HPR Output Mixer"},
470 	{"HPR", NULL, "HPR Power"},
471 
472 	{"LOR Output Mixer", "R_DAC Switch", "Right DAC"},
473 
474 	{"LOR Power", NULL, "LOR Output Mixer"},
475 	{"LOR", NULL, "LOR Power"},
476 
477 	/* Right Input */
478 	{"Right ADC", NULL, "IN1_R to Right Mixer Positive Resistor"},
479 	{"IN1_R to Right Mixer Positive Resistor", "10 kOhm", "IN1_R"},
480 	{"IN1_R to Right Mixer Positive Resistor", "20 kOhm", "IN1_R"},
481 	{"IN1_R to Right Mixer Positive Resistor", "40 kOhm", "IN1_R"},
482 
483 	{"Right ADC", NULL, "IN2_R to Right Mixer Positive Resistor"},
484 	{"IN2_R to Right Mixer Positive Resistor", "10 kOhm", "IN2_R"},
485 	{"IN2_R to Right Mixer Positive Resistor", "20 kOhm", "IN2_R"},
486 	{"IN2_R to Right Mixer Positive Resistor", "40 kOhm", "IN2_R"},
487 
488 	{"Right ADC", NULL, "IN3_R to Right Mixer Positive Resistor"},
489 	{"IN3_R to Right Mixer Positive Resistor", "10 kOhm", "IN3_R"},
490 	{"IN3_R to Right Mixer Positive Resistor", "20 kOhm", "IN3_R"},
491 	{"IN3_R to Right Mixer Positive Resistor", "40 kOhm", "IN3_R"},
492 
493 	{"Right ADC", NULL, "IN2_L to Right Mixer Positive Resistor"},
494 	{"IN2_L to Right Mixer Positive Resistor", "10 kOhm", "IN2_L"},
495 	{"IN2_L to Right Mixer Positive Resistor", "20 kOhm", "IN2_L"},
496 	{"IN2_L to Right Mixer Positive Resistor", "40 kOhm", "IN2_L"},
497 
498 	{"Right ADC", NULL, "CM_R to Right Mixer Negative Resistor"},
499 	{"CM_R to Right Mixer Negative Resistor", "10 kOhm", "CM_R"},
500 	{"CM_R to Right Mixer Negative Resistor", "20 kOhm", "CM_R"},
501 	{"CM_R to Right Mixer Negative Resistor", "40 kOhm", "CM_R"},
502 
503 	{"Right ADC", NULL, "IN1_L to Right Mixer Negative Resistor"},
504 	{"IN1_L to Right Mixer Negative Resistor", "10 kOhm", "IN1_L"},
505 	{"IN1_L to Right Mixer Negative Resistor", "20 kOhm", "IN1_L"},
506 	{"IN1_L to Right Mixer Negative Resistor", "40 kOhm", "IN1_L"},
507 
508 	{"Right ADC", NULL, "IN3_L to Right Mixer Negative Resistor"},
509 	{"IN3_L to Right Mixer Negative Resistor", "10 kOhm", "IN3_L"},
510 	{"IN3_L to Right Mixer Negative Resistor", "20 kOhm", "IN3_L"},
511 	{"IN3_L to Right Mixer Negative Resistor", "40 kOhm", "IN3_L"},
512 
513 	/* Left Input */
514 	{"Left ADC", NULL, "IN1_L to Left Mixer Positive Resistor"},
515 	{"IN1_L to Left Mixer Positive Resistor", "10 kOhm", "IN1_L"},
516 	{"IN1_L to Left Mixer Positive Resistor", "20 kOhm", "IN1_L"},
517 	{"IN1_L to Left Mixer Positive Resistor", "40 kOhm", "IN1_L"},
518 
519 	{"Left ADC", NULL, "IN2_L to Left Mixer Positive Resistor"},
520 	{"IN2_L to Left Mixer Positive Resistor", "10 kOhm", "IN2_L"},
521 	{"IN2_L to Left Mixer Positive Resistor", "20 kOhm", "IN2_L"},
522 	{"IN2_L to Left Mixer Positive Resistor", "40 kOhm", "IN2_L"},
523 
524 	{"Left ADC", NULL, "IN3_L to Left Mixer Positive Resistor"},
525 	{"IN3_L to Left Mixer Positive Resistor", "10 kOhm", "IN3_L"},
526 	{"IN3_L to Left Mixer Positive Resistor", "20 kOhm", "IN3_L"},
527 	{"IN3_L to Left Mixer Positive Resistor", "40 kOhm", "IN3_L"},
528 
529 	{"Left ADC", NULL, "IN1_R to Left Mixer Positive Resistor"},
530 	{"IN1_R to Left Mixer Positive Resistor", "10 kOhm", "IN1_R"},
531 	{"IN1_R to Left Mixer Positive Resistor", "20 kOhm", "IN1_R"},
532 	{"IN1_R to Left Mixer Positive Resistor", "40 kOhm", "IN1_R"},
533 
534 	{"Left ADC", NULL, "CM_L to Left Mixer Negative Resistor"},
535 	{"CM_L to Left Mixer Negative Resistor", "10 kOhm", "CM_L"},
536 	{"CM_L to Left Mixer Negative Resistor", "20 kOhm", "CM_L"},
537 	{"CM_L to Left Mixer Negative Resistor", "40 kOhm", "CM_L"},
538 
539 	{"Left ADC", NULL, "IN2_R to Left Mixer Negative Resistor"},
540 	{"IN2_R to Left Mixer Negative Resistor", "10 kOhm", "IN2_R"},
541 	{"IN2_R to Left Mixer Negative Resistor", "20 kOhm", "IN2_R"},
542 	{"IN2_R to Left Mixer Negative Resistor", "40 kOhm", "IN2_R"},
543 
544 	{"Left ADC", NULL, "IN3_R to Left Mixer Negative Resistor"},
545 	{"IN3_R to Left Mixer Negative Resistor", "10 kOhm", "IN3_R"},
546 	{"IN3_R to Left Mixer Negative Resistor", "20 kOhm", "IN3_R"},
547 	{"IN3_R to Left Mixer Negative Resistor", "40 kOhm", "IN3_R"},
548 };
549 
550 static const struct regmap_range_cfg aic32x4_regmap_pages[] = {
551 	{
552 		.selector_reg = 0,
553 		.selector_mask	= 0xff,
554 		.window_start = 0,
555 		.window_len = 128,
556 		.range_min = 0,
557 		.range_max = AIC32X4_RMICPGAVOL,
558 	},
559 };
560 
561 const struct regmap_config aic32x4_regmap_config = {
562 	.max_register = AIC32X4_RMICPGAVOL,
563 	.ranges = aic32x4_regmap_pages,
564 	.num_ranges = ARRAY_SIZE(aic32x4_regmap_pages),
565 };
566 EXPORT_SYMBOL(aic32x4_regmap_config);
567 
568 static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai,
569 				  int clk_id, unsigned int freq, int dir)
570 {
571 	struct snd_soc_component *component = codec_dai->component;
572 	struct clk *mclk;
573 	struct clk *pll;
574 
575 	pll = devm_clk_get(component->dev, "pll");
576 	if (IS_ERR(pll))
577 		return PTR_ERR(pll);
578 
579 	mclk = clk_get_parent(pll);
580 
581 	return clk_set_rate(mclk, freq);
582 }
583 
584 static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
585 {
586 	struct snd_soc_component *component = codec_dai->component;
587 	u8 iface_reg_1 = 0;
588 	u8 iface_reg_2 = 0;
589 	u8 iface_reg_3 = 0;
590 
591 	/* set master/slave audio interface */
592 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
593 	case SND_SOC_DAIFMT_CBM_CFM:
594 		iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER;
595 		break;
596 	case SND_SOC_DAIFMT_CBS_CFS:
597 		break;
598 	default:
599 		printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n");
600 		return -EINVAL;
601 	}
602 
603 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
604 	case SND_SOC_DAIFMT_I2S:
605 		break;
606 	case SND_SOC_DAIFMT_DSP_A:
607 		iface_reg_1 |= (AIC32X4_DSP_MODE <<
608 				AIC32X4_IFACE1_DATATYPE_SHIFT);
609 		iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
610 		iface_reg_2 = 0x01; /* add offset 1 */
611 		break;
612 	case SND_SOC_DAIFMT_DSP_B:
613 		iface_reg_1 |= (AIC32X4_DSP_MODE <<
614 				AIC32X4_IFACE1_DATATYPE_SHIFT);
615 		iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
616 		break;
617 	case SND_SOC_DAIFMT_RIGHT_J:
618 		iface_reg_1 |= (AIC32X4_RIGHT_JUSTIFIED_MODE <<
619 				AIC32X4_IFACE1_DATATYPE_SHIFT);
620 		break;
621 	case SND_SOC_DAIFMT_LEFT_J:
622 		iface_reg_1 |= (AIC32X4_LEFT_JUSTIFIED_MODE <<
623 				AIC32X4_IFACE1_DATATYPE_SHIFT);
624 		break;
625 	default:
626 		printk(KERN_ERR "aic32x4: invalid DAI interface format\n");
627 		return -EINVAL;
628 	}
629 
630 	snd_soc_component_update_bits(component, AIC32X4_IFACE1,
631 				AIC32X4_IFACE1_DATATYPE_MASK |
632 				AIC32X4_IFACE1_MASTER_MASK, iface_reg_1);
633 	snd_soc_component_update_bits(component, AIC32X4_IFACE2,
634 				AIC32X4_DATA_OFFSET_MASK, iface_reg_2);
635 	snd_soc_component_update_bits(component, AIC32X4_IFACE3,
636 				AIC32X4_BCLKINV_MASK, iface_reg_3);
637 
638 	return 0;
639 }
640 
641 static int aic32x4_set_aosr(struct snd_soc_component *component, u8 aosr)
642 {
643 	return snd_soc_component_write(component, AIC32X4_AOSR, aosr);
644 }
645 
646 static int aic32x4_set_dosr(struct snd_soc_component *component, u16 dosr)
647 {
648 	snd_soc_component_write(component, AIC32X4_DOSRMSB, dosr >> 8);
649 	snd_soc_component_write(component, AIC32X4_DOSRLSB,
650 		      (dosr & 0xff));
651 
652 	return 0;
653 }
654 
655 static int aic32x4_set_processing_blocks(struct snd_soc_component *component,
656 						u8 r_block, u8 p_block)
657 {
658 	if (r_block > 18 || p_block > 25)
659 		return -EINVAL;
660 
661 	snd_soc_component_write(component, AIC32X4_ADCSPB, r_block);
662 	snd_soc_component_write(component, AIC32X4_DACSPB, p_block);
663 
664 	return 0;
665 }
666 
667 static int aic32x4_setup_clocks(struct snd_soc_component *component,
668 				unsigned int sample_rate)
669 {
670 	u8 aosr;
671 	u16 dosr;
672 	u8 adc_resource_class, dac_resource_class;
673 	u8 madc, nadc, mdac, ndac, max_nadc, min_mdac, max_ndac;
674 	u8 dosr_increment;
675 	u16 max_dosr, min_dosr;
676 	unsigned long adc_clock_rate, dac_clock_rate;
677 	int ret;
678 
679 	struct clk_bulk_data clocks[] = {
680 		{ .id = "pll" },
681 		{ .id = "nadc" },
682 		{ .id = "madc" },
683 		{ .id = "ndac" },
684 		{ .id = "mdac" },
685 		{ .id = "bdiv" },
686 	};
687 	ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
688 	if (ret)
689 		return ret;
690 
691 	if (sample_rate <= 48000) {
692 		aosr = 128;
693 		adc_resource_class = 6;
694 		dac_resource_class = 8;
695 		dosr_increment = 8;
696 		aic32x4_set_processing_blocks(component, 1, 1);
697 	} else if (sample_rate <= 96000) {
698 		aosr = 64;
699 		adc_resource_class = 6;
700 		dac_resource_class = 8;
701 		dosr_increment = 4;
702 		aic32x4_set_processing_blocks(component, 1, 9);
703 	} else if (sample_rate == 192000) {
704 		aosr = 32;
705 		adc_resource_class = 3;
706 		dac_resource_class = 4;
707 		dosr_increment = 2;
708 		aic32x4_set_processing_blocks(component, 13, 19);
709 	} else {
710 		dev_err(component->dev, "Sampling rate not supported\n");
711 		return -EINVAL;
712 	}
713 
714 	madc = DIV_ROUND_UP((32 * adc_resource_class), aosr);
715 	max_dosr = (AIC32X4_MAX_DOSR_FREQ / sample_rate / dosr_increment) *
716 			dosr_increment;
717 	min_dosr = (AIC32X4_MIN_DOSR_FREQ / sample_rate / dosr_increment) *
718 			dosr_increment;
719 	max_nadc = AIC32X4_MAX_CODEC_CLKIN_FREQ / (madc * aosr * sample_rate);
720 
721 	for (nadc = max_nadc; nadc > 0; --nadc) {
722 		adc_clock_rate = nadc * madc * aosr * sample_rate;
723 		for (dosr = max_dosr; dosr >= min_dosr;
724 				dosr -= dosr_increment) {
725 			min_mdac = DIV_ROUND_UP((32 * dac_resource_class), dosr);
726 			max_ndac = AIC32X4_MAX_CODEC_CLKIN_FREQ /
727 					(min_mdac * dosr * sample_rate);
728 			for (mdac = min_mdac; mdac <= 128; ++mdac) {
729 				for (ndac = max_ndac; ndac > 0; --ndac) {
730 					dac_clock_rate = ndac * mdac * dosr *
731 							sample_rate;
732 					if (dac_clock_rate == adc_clock_rate) {
733 						if (clk_round_rate(clocks[0].clk, dac_clock_rate) == 0)
734 							continue;
735 
736 						clk_set_rate(clocks[0].clk,
737 							dac_clock_rate);
738 
739 						clk_set_rate(clocks[1].clk,
740 							sample_rate * aosr *
741 							madc);
742 						clk_set_rate(clocks[2].clk,
743 							sample_rate * aosr);
744 						aic32x4_set_aosr(component,
745 							aosr);
746 
747 						clk_set_rate(clocks[3].clk,
748 							sample_rate * dosr *
749 							mdac);
750 						clk_set_rate(clocks[4].clk,
751 							sample_rate * dosr);
752 						aic32x4_set_dosr(component,
753 							dosr);
754 
755 						clk_set_rate(clocks[5].clk,
756 							sample_rate * 32);
757 						return 0;
758 					}
759 				}
760 			}
761 		}
762 	}
763 
764 	dev_err(component->dev,
765 		"Could not set clocks to support sample rate.\n");
766 	return -EINVAL;
767 }
768 
769 static int aic32x4_hw_params(struct snd_pcm_substream *substream,
770 				 struct snd_pcm_hw_params *params,
771 				 struct snd_soc_dai *dai)
772 {
773 	struct snd_soc_component *component = dai->component;
774 	struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
775 	u8 iface1_reg = 0;
776 	u8 dacsetup_reg = 0;
777 
778 	aic32x4_setup_clocks(component, params_rate(params));
779 
780 	switch (params_width(params)) {
781 	case 16:
782 		iface1_reg |= (AIC32X4_WORD_LEN_16BITS <<
783 				   AIC32X4_IFACE1_DATALEN_SHIFT);
784 		break;
785 	case 20:
786 		iface1_reg |= (AIC32X4_WORD_LEN_20BITS <<
787 				   AIC32X4_IFACE1_DATALEN_SHIFT);
788 		break;
789 	case 24:
790 		iface1_reg |= (AIC32X4_WORD_LEN_24BITS <<
791 				   AIC32X4_IFACE1_DATALEN_SHIFT);
792 		break;
793 	case 32:
794 		iface1_reg |= (AIC32X4_WORD_LEN_32BITS <<
795 				   AIC32X4_IFACE1_DATALEN_SHIFT);
796 		break;
797 	}
798 	snd_soc_component_update_bits(component, AIC32X4_IFACE1,
799 				AIC32X4_IFACE1_DATALEN_MASK, iface1_reg);
800 
801 	if (params_channels(params) == 1) {
802 		dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN;
803 	} else {
804 		if (aic32x4->swapdacs)
805 			dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN;
806 		else
807 			dacsetup_reg = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN;
808 	}
809 	snd_soc_component_update_bits(component, AIC32X4_DACSETUP,
810 				AIC32X4_DAC_CHAN_MASK, dacsetup_reg);
811 
812 	return 0;
813 }
814 
815 static int aic32x4_mute(struct snd_soc_dai *dai, int mute)
816 {
817 	struct snd_soc_component *component = dai->component;
818 
819 	snd_soc_component_update_bits(component, AIC32X4_DACMUTE,
820 				AIC32X4_MUTEON, mute ? AIC32X4_MUTEON : 0);
821 
822 	return 0;
823 }
824 
825 static int aic32x4_set_bias_level(struct snd_soc_component *component,
826 				  enum snd_soc_bias_level level)
827 {
828 	int ret;
829 
830 	struct clk_bulk_data clocks[] = {
831 		{ .id = "madc" },
832 		{ .id = "mdac" },
833 		{ .id = "bdiv" },
834 	};
835 
836 	ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
837 	if (ret)
838 		return ret;
839 
840 	switch (level) {
841 	case SND_SOC_BIAS_ON:
842 		ret = clk_bulk_prepare_enable(ARRAY_SIZE(clocks), clocks);
843 		if (ret) {
844 			dev_err(component->dev, "Failed to enable clocks\n");
845 			return ret;
846 		}
847 		break;
848 	case SND_SOC_BIAS_PREPARE:
849 		break;
850 	case SND_SOC_BIAS_STANDBY:
851 		/* Initial cold start */
852 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
853 			break;
854 
855 		clk_bulk_disable_unprepare(ARRAY_SIZE(clocks), clocks);
856 		break;
857 	case SND_SOC_BIAS_OFF:
858 		break;
859 	}
860 	return 0;
861 }
862 
863 #define AIC32X4_RATES	SNDRV_PCM_RATE_8000_192000
864 #define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
865 			 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
866 
867 static const struct snd_soc_dai_ops aic32x4_ops = {
868 	.hw_params = aic32x4_hw_params,
869 	.digital_mute = aic32x4_mute,
870 	.set_fmt = aic32x4_set_dai_fmt,
871 	.set_sysclk = aic32x4_set_dai_sysclk,
872 };
873 
874 static struct snd_soc_dai_driver aic32x4_dai = {
875 	.name = "tlv320aic32x4-hifi",
876 	.playback = {
877 			 .stream_name = "Playback",
878 			 .channels_min = 1,
879 			 .channels_max = 2,
880 			 .rates = AIC32X4_RATES,
881 			 .formats = AIC32X4_FORMATS,},
882 	.capture = {
883 			.stream_name = "Capture",
884 			.channels_min = 1,
885 			.channels_max = 2,
886 			.rates = AIC32X4_RATES,
887 			.formats = AIC32X4_FORMATS,},
888 	.ops = &aic32x4_ops,
889 	.symmetric_rates = 1,
890 };
891 
892 static void aic32x4_setup_gpios(struct snd_soc_component *component)
893 {
894 	struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
895 
896 	/* setup GPIO functions */
897 	/* MFP1 */
898 	if (aic32x4->setup->gpio_func[0] != AIC32X4_MFPX_DEFAULT_VALUE) {
899 		snd_soc_component_write(component, AIC32X4_DINCTL,
900 			  aic32x4->setup->gpio_func[0]);
901 		snd_soc_add_component_controls(component, aic32x4_mfp1,
902 			ARRAY_SIZE(aic32x4_mfp1));
903 	}
904 
905 	/* MFP2 */
906 	if (aic32x4->setup->gpio_func[1] != AIC32X4_MFPX_DEFAULT_VALUE) {
907 		snd_soc_component_write(component, AIC32X4_DOUTCTL,
908 			  aic32x4->setup->gpio_func[1]);
909 		snd_soc_add_component_controls(component, aic32x4_mfp2,
910 			ARRAY_SIZE(aic32x4_mfp2));
911 	}
912 
913 	/* MFP3 */
914 	if (aic32x4->setup->gpio_func[2] != AIC32X4_MFPX_DEFAULT_VALUE) {
915 		snd_soc_component_write(component, AIC32X4_SCLKCTL,
916 			  aic32x4->setup->gpio_func[2]);
917 		snd_soc_add_component_controls(component, aic32x4_mfp3,
918 			ARRAY_SIZE(aic32x4_mfp3));
919 	}
920 
921 	/* MFP4 */
922 	if (aic32x4->setup->gpio_func[3] != AIC32X4_MFPX_DEFAULT_VALUE) {
923 		snd_soc_component_write(component, AIC32X4_MISOCTL,
924 			  aic32x4->setup->gpio_func[3]);
925 		snd_soc_add_component_controls(component, aic32x4_mfp4,
926 			ARRAY_SIZE(aic32x4_mfp4));
927 	}
928 
929 	/* MFP5 */
930 	if (aic32x4->setup->gpio_func[4] != AIC32X4_MFPX_DEFAULT_VALUE) {
931 		snd_soc_component_write(component, AIC32X4_GPIOCTL,
932 			  aic32x4->setup->gpio_func[4]);
933 		snd_soc_add_component_controls(component, aic32x4_mfp5,
934 			ARRAY_SIZE(aic32x4_mfp5));
935 	}
936 }
937 
938 static int aic32x4_component_probe(struct snd_soc_component *component)
939 {
940 	struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
941 	u32 tmp_reg;
942 	int ret;
943 
944 	struct clk_bulk_data clocks[] = {
945 		{ .id = "codec_clkin" },
946 		{ .id = "pll" },
947 		{ .id = "bdiv" },
948 		{ .id = "mdac" },
949 	};
950 
951 	ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
952 	if (ret)
953 		return ret;
954 
955 	if (gpio_is_valid(aic32x4->rstn_gpio)) {
956 		ndelay(10);
957 		gpio_set_value(aic32x4->rstn_gpio, 1);
958 		mdelay(1);
959 	}
960 
961 	snd_soc_component_write(component, AIC32X4_RESET, 0x01);
962 
963 	if (aic32x4->setup)
964 		aic32x4_setup_gpios(component);
965 
966 	clk_set_parent(clocks[0].clk, clocks[1].clk);
967 	clk_set_parent(clocks[2].clk, clocks[3].clk);
968 
969 	/* Power platform configuration */
970 	if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) {
971 		snd_soc_component_write(component, AIC32X4_MICBIAS,
972 				AIC32X4_MICBIAS_LDOIN | AIC32X4_MICBIAS_2075V);
973 	}
974 	if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE)
975 		snd_soc_component_write(component, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);
976 
977 	tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
978 			AIC32X4_LDOCTLEN : 0;
979 	snd_soc_component_write(component, AIC32X4_LDOCTL, tmp_reg);
980 
981 	tmp_reg = snd_soc_component_read32(component, AIC32X4_CMMODE);
982 	if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36)
983 		tmp_reg |= AIC32X4_LDOIN_18_36;
984 	if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED)
985 		tmp_reg |= AIC32X4_LDOIN2HP;
986 	snd_soc_component_write(component, AIC32X4_CMMODE, tmp_reg);
987 
988 	/* Mic PGA routing */
989 	if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K)
990 		snd_soc_component_write(component, AIC32X4_LMICPGANIN,
991 				AIC32X4_LMICPGANIN_IN2R_10K);
992 	else
993 		snd_soc_component_write(component, AIC32X4_LMICPGANIN,
994 				AIC32X4_LMICPGANIN_CM1L_10K);
995 	if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K)
996 		snd_soc_component_write(component, AIC32X4_RMICPGANIN,
997 				AIC32X4_RMICPGANIN_IN1L_10K);
998 	else
999 		snd_soc_component_write(component, AIC32X4_RMICPGANIN,
1000 				AIC32X4_RMICPGANIN_CM1R_10K);
1001 
1002 	/*
1003 	 * Workaround: for an unknown reason, the ADC needs to be powered up
1004 	 * and down for the first capture to work properly. It seems related to
1005 	 * a HW BUG or some kind of behavior not documented in the datasheet.
1006 	 */
1007 	tmp_reg = snd_soc_component_read32(component, AIC32X4_ADCSETUP);
1008 	snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg |
1009 				AIC32X4_LADC_EN | AIC32X4_RADC_EN);
1010 	snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg);
1011 
1012 	return 0;
1013 }
1014 
1015 static const struct snd_soc_component_driver soc_component_dev_aic32x4 = {
1016 	.probe			= aic32x4_component_probe,
1017 	.set_bias_level		= aic32x4_set_bias_level,
1018 	.controls		= aic32x4_snd_controls,
1019 	.num_controls		= ARRAY_SIZE(aic32x4_snd_controls),
1020 	.dapm_widgets		= aic32x4_dapm_widgets,
1021 	.num_dapm_widgets	= ARRAY_SIZE(aic32x4_dapm_widgets),
1022 	.dapm_routes		= aic32x4_dapm_routes,
1023 	.num_dapm_routes	= ARRAY_SIZE(aic32x4_dapm_routes),
1024 	.suspend_bias_off	= 1,
1025 	.idle_bias_on		= 1,
1026 	.use_pmdown_time	= 1,
1027 	.endianness		= 1,
1028 	.non_legacy_dai_naming	= 1,
1029 };
1030 
1031 static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4,
1032 		struct device_node *np)
1033 {
1034 	struct aic32x4_setup_data *aic32x4_setup;
1035 	int ret;
1036 
1037 	aic32x4_setup = devm_kzalloc(aic32x4->dev, sizeof(*aic32x4_setup),
1038 							GFP_KERNEL);
1039 	if (!aic32x4_setup)
1040 		return -ENOMEM;
1041 
1042 	ret = of_property_match_string(np, "clock-names", "mclk");
1043 	if (ret < 0)
1044 		return -EINVAL;
1045 	aic32x4->mclk_name = of_clk_get_parent_name(np, ret);
1046 
1047 	aic32x4->swapdacs = false;
1048 	aic32x4->micpga_routing = 0;
1049 	aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0);
1050 
1051 	if (of_property_read_u32_array(np, "aic32x4-gpio-func",
1052 				aic32x4_setup->gpio_func, 5) >= 0)
1053 		aic32x4->setup = aic32x4_setup;
1054 	return 0;
1055 }
1056 
1057 static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4)
1058 {
1059 	regulator_disable(aic32x4->supply_iov);
1060 
1061 	if (!IS_ERR(aic32x4->supply_ldo))
1062 		regulator_disable(aic32x4->supply_ldo);
1063 
1064 	if (!IS_ERR(aic32x4->supply_dv))
1065 		regulator_disable(aic32x4->supply_dv);
1066 
1067 	if (!IS_ERR(aic32x4->supply_av))
1068 		regulator_disable(aic32x4->supply_av);
1069 }
1070 
1071 static int aic32x4_setup_regulators(struct device *dev,
1072 		struct aic32x4_priv *aic32x4)
1073 {
1074 	int ret = 0;
1075 
1076 	aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin");
1077 	aic32x4->supply_iov = devm_regulator_get(dev, "iov");
1078 	aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv");
1079 	aic32x4->supply_av = devm_regulator_get_optional(dev, "av");
1080 
1081 	/* Check if the regulator requirements are fulfilled */
1082 
1083 	if (IS_ERR(aic32x4->supply_iov)) {
1084 		dev_err(dev, "Missing supply 'iov'\n");
1085 		return PTR_ERR(aic32x4->supply_iov);
1086 	}
1087 
1088 	if (IS_ERR(aic32x4->supply_ldo)) {
1089 		if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER)
1090 			return -EPROBE_DEFER;
1091 
1092 		if (IS_ERR(aic32x4->supply_dv)) {
1093 			dev_err(dev, "Missing supply 'dv' or 'ldoin'\n");
1094 			return PTR_ERR(aic32x4->supply_dv);
1095 		}
1096 		if (IS_ERR(aic32x4->supply_av)) {
1097 			dev_err(dev, "Missing supply 'av' or 'ldoin'\n");
1098 			return PTR_ERR(aic32x4->supply_av);
1099 		}
1100 	} else {
1101 		if (PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER)
1102 			return -EPROBE_DEFER;
1103 		if (PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER)
1104 			return -EPROBE_DEFER;
1105 	}
1106 
1107 	ret = regulator_enable(aic32x4->supply_iov);
1108 	if (ret) {
1109 		dev_err(dev, "Failed to enable regulator iov\n");
1110 		return ret;
1111 	}
1112 
1113 	if (!IS_ERR(aic32x4->supply_ldo)) {
1114 		ret = regulator_enable(aic32x4->supply_ldo);
1115 		if (ret) {
1116 			dev_err(dev, "Failed to enable regulator ldo\n");
1117 			goto error_ldo;
1118 		}
1119 	}
1120 
1121 	if (!IS_ERR(aic32x4->supply_dv)) {
1122 		ret = regulator_enable(aic32x4->supply_dv);
1123 		if (ret) {
1124 			dev_err(dev, "Failed to enable regulator dv\n");
1125 			goto error_dv;
1126 		}
1127 	}
1128 
1129 	if (!IS_ERR(aic32x4->supply_av)) {
1130 		ret = regulator_enable(aic32x4->supply_av);
1131 		if (ret) {
1132 			dev_err(dev, "Failed to enable regulator av\n");
1133 			goto error_av;
1134 		}
1135 	}
1136 
1137 	if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av))
1138 		aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE;
1139 
1140 	return 0;
1141 
1142 error_av:
1143 	if (!IS_ERR(aic32x4->supply_dv))
1144 		regulator_disable(aic32x4->supply_dv);
1145 
1146 error_dv:
1147 	if (!IS_ERR(aic32x4->supply_ldo))
1148 		regulator_disable(aic32x4->supply_ldo);
1149 
1150 error_ldo:
1151 	regulator_disable(aic32x4->supply_iov);
1152 	return ret;
1153 }
1154 
1155 int aic32x4_probe(struct device *dev, struct regmap *regmap)
1156 {
1157 	struct aic32x4_priv *aic32x4;
1158 	struct aic32x4_pdata *pdata = dev->platform_data;
1159 	struct device_node *np = dev->of_node;
1160 	int ret;
1161 
1162 	if (IS_ERR(regmap))
1163 		return PTR_ERR(regmap);
1164 
1165 	aic32x4 = devm_kzalloc(dev, sizeof(struct aic32x4_priv),
1166 				   GFP_KERNEL);
1167 	if (aic32x4 == NULL)
1168 		return -ENOMEM;
1169 
1170 	aic32x4->dev = dev;
1171 	dev_set_drvdata(dev, aic32x4);
1172 
1173 	if (pdata) {
1174 		aic32x4->power_cfg = pdata->power_cfg;
1175 		aic32x4->swapdacs = pdata->swapdacs;
1176 		aic32x4->micpga_routing = pdata->micpga_routing;
1177 		aic32x4->rstn_gpio = pdata->rstn_gpio;
1178 		aic32x4->mclk_name = "mclk";
1179 	} else if (np) {
1180 		ret = aic32x4_parse_dt(aic32x4, np);
1181 		if (ret) {
1182 			dev_err(dev, "Failed to parse DT node\n");
1183 			return ret;
1184 		}
1185 	} else {
1186 		aic32x4->power_cfg = 0;
1187 		aic32x4->swapdacs = false;
1188 		aic32x4->micpga_routing = 0;
1189 		aic32x4->rstn_gpio = -1;
1190 		aic32x4->mclk_name = "mclk";
1191 	}
1192 
1193 	ret = aic32x4_register_clocks(dev, aic32x4->mclk_name);
1194 	if (ret)
1195 		return ret;
1196 
1197 	if (gpio_is_valid(aic32x4->rstn_gpio)) {
1198 		ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio,
1199 				GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn");
1200 		if (ret != 0)
1201 			return ret;
1202 	}
1203 
1204 	ret = aic32x4_setup_regulators(dev, aic32x4);
1205 	if (ret) {
1206 		dev_err(dev, "Failed to setup regulators\n");
1207 		return ret;
1208 	}
1209 
1210 	ret = devm_snd_soc_register_component(dev,
1211 			&soc_component_dev_aic32x4, &aic32x4_dai, 1);
1212 	if (ret) {
1213 		dev_err(dev, "Failed to register component\n");
1214 		aic32x4_disable_regulators(aic32x4);
1215 		return ret;
1216 	}
1217 
1218 	return 0;
1219 }
1220 EXPORT_SYMBOL(aic32x4_probe);
1221 
1222 int aic32x4_remove(struct device *dev)
1223 {
1224 	struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev);
1225 
1226 	aic32x4_disable_regulators(aic32x4);
1227 
1228 	return 0;
1229 }
1230 EXPORT_SYMBOL(aic32x4_remove);
1231 
1232 MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver");
1233 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
1234 MODULE_LICENSE("GPL");
1235