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Merge tag 'for-linus-20190706' of git://git.kernel.dk/linux-block
[linux/fpc-iii.git] / sound / soc / codecs / tlv320aic32x4.c
blob68165de1c8deabb66ed4bcde7722c8ddb94012ee
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 mclk = clk_get_parent(pll);
577
578 return clk_set_rate(mclk, freq);
579 }
580
581 static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
582 {
583 struct snd_soc_component *component = codec_dai->component;
584 u8 iface_reg_1 = 0;
585 u8 iface_reg_2 = 0;
586 u8 iface_reg_3 = 0;
587
588 /* set master/slave audio interface */
589 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
590 case SND_SOC_DAIFMT_CBM_CFM:
591 iface_reg_1 |= AIC32X4_BCLKMASTER | AIC32X4_WCLKMASTER;
592 break;
593 case SND_SOC_DAIFMT_CBS_CFS:
594 break;
595 default:
596 printk(KERN_ERR "aic32x4: invalid DAI master/slave interface\n");
597 return -EINVAL;
598 }
599
600 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
601 case SND_SOC_DAIFMT_I2S:
602 break;
603 case SND_SOC_DAIFMT_DSP_A:
604 iface_reg_1 |= (AIC32X4_DSP_MODE <<
605 AIC32X4_IFACE1_DATATYPE_SHIFT);
606 iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
607 iface_reg_2 = 0x01; /* add offset 1 */
608 break;
609 case SND_SOC_DAIFMT_DSP_B:
610 iface_reg_1 |= (AIC32X4_DSP_MODE <<
611 AIC32X4_IFACE1_DATATYPE_SHIFT);
612 iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */
613 break;
614 case SND_SOC_DAIFMT_RIGHT_J:
615 iface_reg_1 |= (AIC32X4_RIGHT_JUSTIFIED_MODE <<
616 AIC32X4_IFACE1_DATATYPE_SHIFT);
617 break;
618 case SND_SOC_DAIFMT_LEFT_J:
619 iface_reg_1 |= (AIC32X4_LEFT_JUSTIFIED_MODE <<
620 AIC32X4_IFACE1_DATATYPE_SHIFT);
621 break;
622 default:
623 printk(KERN_ERR "aic32x4: invalid DAI interface format\n");
624 return -EINVAL;
625 }
626
627 snd_soc_component_update_bits(component, AIC32X4_IFACE1,
628 AIC32X4_IFACE1_DATATYPE_MASK |
629 AIC32X4_IFACE1_MASTER_MASK, iface_reg_1);
630 snd_soc_component_update_bits(component, AIC32X4_IFACE2,
631 AIC32X4_DATA_OFFSET_MASK, iface_reg_2);
632 snd_soc_component_update_bits(component, AIC32X4_IFACE3,
633 AIC32X4_BCLKINV_MASK, iface_reg_3);
634
635 return 0;
636 }
637
638 static int aic32x4_set_aosr(struct snd_soc_component *component, u8 aosr)
639 {
640 return snd_soc_component_write(component, AIC32X4_AOSR, aosr);
641 }
642
643 static int aic32x4_set_dosr(struct snd_soc_component *component, u16 dosr)
644 {
645 snd_soc_component_write(component, AIC32X4_DOSRMSB, dosr >> 8);
646 snd_soc_component_write(component, AIC32X4_DOSRLSB,
647 (dosr & 0xff));
648
649 return 0;
650 }
651
652 static int aic32x4_set_processing_blocks(struct snd_soc_component *component,
653 u8 r_block, u8 p_block)
654 {
655 if (r_block > 18 || p_block > 25)
656 return -EINVAL;
657
658 snd_soc_component_write(component, AIC32X4_ADCSPB, r_block);
659 snd_soc_component_write(component, AIC32X4_DACSPB, p_block);
660
661 return 0;
662 }
663
664 static int aic32x4_setup_clocks(struct snd_soc_component *component,
665 unsigned int sample_rate)
666 {
667 u8 aosr;
668 u16 dosr;
669 u8 adc_resource_class, dac_resource_class;
670 u8 madc, nadc, mdac, ndac, max_nadc, min_mdac, max_ndac;
671 u8 dosr_increment;
672 u16 max_dosr, min_dosr;
673 unsigned long adc_clock_rate, dac_clock_rate;
674 int ret;
675
676 struct clk_bulk_data clocks[] = {
677 { .id = "pll" },
678 { .id = "nadc" },
679 { .id = "madc" },
680 { .id = "ndac" },
681 { .id = "mdac" },
682 { .id = "bdiv" },
683 };
684 ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
685 if (ret)
686 return ret;
687
688 if (sample_rate <= 48000) {
689 aosr = 128;
690 adc_resource_class = 6;
691 dac_resource_class = 8;
692 dosr_increment = 8;
693 aic32x4_set_processing_blocks(component, 1, 1);
694 } else if (sample_rate <= 96000) {
695 aosr = 64;
696 adc_resource_class = 6;
697 dac_resource_class = 8;
698 dosr_increment = 4;
699 aic32x4_set_processing_blocks(component, 1, 9);
700 } else if (sample_rate == 192000) {
701 aosr = 32;
702 adc_resource_class = 3;
703 dac_resource_class = 4;
704 dosr_increment = 2;
705 aic32x4_set_processing_blocks(component, 13, 19);
706 } else {
707 dev_err(component->dev, "Sampling rate not supported\n");
708 return -EINVAL;
709 }
710
711 madc = DIV_ROUND_UP((32 * adc_resource_class), aosr);
712 max_dosr = (AIC32X4_MAX_DOSR_FREQ / sample_rate / dosr_increment) *
713 dosr_increment;
714 min_dosr = (AIC32X4_MIN_DOSR_FREQ / sample_rate / dosr_increment) *
715 dosr_increment;
716 max_nadc = AIC32X4_MAX_CODEC_CLKIN_FREQ / (madc * aosr * sample_rate);
717
718 for (nadc = max_nadc; nadc > 0; --nadc) {
719 adc_clock_rate = nadc * madc * aosr * sample_rate;
720 for (dosr = max_dosr; dosr >= min_dosr;
721 dosr -= dosr_increment) {
722 min_mdac = DIV_ROUND_UP((32 * dac_resource_class), dosr);
723 max_ndac = AIC32X4_MAX_CODEC_CLKIN_FREQ /
724 (min_mdac * dosr * sample_rate);
725 for (mdac = min_mdac; mdac <= 128; ++mdac) {
726 for (ndac = max_ndac; ndac > 0; --ndac) {
727 dac_clock_rate = ndac * mdac * dosr *
728 sample_rate;
729 if (dac_clock_rate == adc_clock_rate) {
730 if (clk_round_rate(clocks[0].clk, dac_clock_rate) == 0)
731 continue;
732
733 clk_set_rate(clocks[0].clk,
734 dac_clock_rate);
735
736 clk_set_rate(clocks[1].clk,
737 sample_rate * aosr *
738 madc);
739 clk_set_rate(clocks[2].clk,
740 sample_rate * aosr);
741 aic32x4_set_aosr(component,
742 aosr);
743
744 clk_set_rate(clocks[3].clk,
745 sample_rate * dosr *
746 mdac);
747 clk_set_rate(clocks[4].clk,
748 sample_rate * dosr);
749 aic32x4_set_dosr(component,
750 dosr);
751
752 clk_set_rate(clocks[5].clk,
753 sample_rate * 32);
754 return 0;
755 }
756 }
757 }
758 }
759 }
760
761 dev_err(component->dev,
762 "Could not set clocks to support sample rate.\n");
763 return -EINVAL;
764 }
765
766 static int aic32x4_hw_params(struct snd_pcm_substream *substream,
767 struct snd_pcm_hw_params *params,
768 struct snd_soc_dai *dai)
769 {
770 struct snd_soc_component *component = dai->component;
771 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
772 u8 iface1_reg = 0;
773 u8 dacsetup_reg = 0;
774
775 aic32x4_setup_clocks(component, params_rate(params));
776
777 switch (params_width(params)) {
778 case 16:
779 iface1_reg |= (AIC32X4_WORD_LEN_16BITS <<
780 AIC32X4_IFACE1_DATALEN_SHIFT);
781 break;
782 case 20:
783 iface1_reg |= (AIC32X4_WORD_LEN_20BITS <<
784 AIC32X4_IFACE1_DATALEN_SHIFT);
785 break;
786 case 24:
787 iface1_reg |= (AIC32X4_WORD_LEN_24BITS <<
788 AIC32X4_IFACE1_DATALEN_SHIFT);
789 break;
790 case 32:
791 iface1_reg |= (AIC32X4_WORD_LEN_32BITS <<
792 AIC32X4_IFACE1_DATALEN_SHIFT);
793 break;
794 }
795 snd_soc_component_update_bits(component, AIC32X4_IFACE1,
796 AIC32X4_IFACE1_DATALEN_MASK, iface1_reg);
797
798 if (params_channels(params) == 1) {
799 dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2LCHN;
800 } else {
801 if (aic32x4->swapdacs)
802 dacsetup_reg = AIC32X4_RDAC2LCHN | AIC32X4_LDAC2RCHN;
803 else
804 dacsetup_reg = AIC32X4_LDAC2LCHN | AIC32X4_RDAC2RCHN;
805 }
806 snd_soc_component_update_bits(component, AIC32X4_DACSETUP,
807 AIC32X4_DAC_CHAN_MASK, dacsetup_reg);
808
809 return 0;
810 }
811
812 static int aic32x4_mute(struct snd_soc_dai *dai, int mute)
813 {
814 struct snd_soc_component *component = dai->component;
815
816 snd_soc_component_update_bits(component, AIC32X4_DACMUTE,
817 AIC32X4_MUTEON, mute ? AIC32X4_MUTEON : 0);
818
819 return 0;
820 }
821
822 static int aic32x4_set_bias_level(struct snd_soc_component *component,
823 enum snd_soc_bias_level level)
824 {
825 int ret;
826
827 struct clk_bulk_data clocks[] = {
828 { .id = "madc" },
829 { .id = "mdac" },
830 { .id = "bdiv" },
831 };
832
833 ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
834 if (ret)
835 return ret;
836
837 switch (level) {
838 case SND_SOC_BIAS_ON:
839 ret = clk_bulk_prepare_enable(ARRAY_SIZE(clocks), clocks);
840 if (ret) {
841 dev_err(component->dev, "Failed to enable clocks\n");
842 return ret;
843 }
844 break;
845 case SND_SOC_BIAS_PREPARE:
846 break;
847 case SND_SOC_BIAS_STANDBY:
848 /* Initial cold start */
849 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
850 break;
851
852 clk_bulk_disable_unprepare(ARRAY_SIZE(clocks), clocks);
853 break;
854 case SND_SOC_BIAS_OFF:
855 break;
856 }
857 return 0;
858 }
859
860 #define AIC32X4_RATES SNDRV_PCM_RATE_8000_192000
861 #define AIC32X4_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE \
862 | SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
863
864 static const struct snd_soc_dai_ops aic32x4_ops = {
865 .hw_params = aic32x4_hw_params,
866 .digital_mute = aic32x4_mute,
867 .set_fmt = aic32x4_set_dai_fmt,
868 .set_sysclk = aic32x4_set_dai_sysclk,
869 };
870
871 static struct snd_soc_dai_driver aic32x4_dai = {
872 .name = "tlv320aic32x4-hifi",
873 .playback = {
874 .stream_name = "Playback",
875 .channels_min = 1,
876 .channels_max = 2,
877 .rates = AIC32X4_RATES,
878 .formats = AIC32X4_FORMATS,},
879 .capture = {
880 .stream_name = "Capture",
881 .channels_min = 1,
882 .channels_max = 2,
883 .rates = AIC32X4_RATES,
884 .formats = AIC32X4_FORMATS,},
885 .ops = &aic32x4_ops,
886 .symmetric_rates = 1,
887 };
888
889 static void aic32x4_setup_gpios(struct snd_soc_component *component)
890 {
891 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
892
893 /* setup GPIO functions */
894 /* MFP1 */
895 if (aic32x4->setup->gpio_func[0] != AIC32X4_MFPX_DEFAULT_VALUE) {
896 snd_soc_component_write(component, AIC32X4_DINCTL,
897 aic32x4->setup->gpio_func[0]);
898 snd_soc_add_component_controls(component, aic32x4_mfp1,
899 ARRAY_SIZE(aic32x4_mfp1));
900 }
901
902 /* MFP2 */
903 if (aic32x4->setup->gpio_func[1] != AIC32X4_MFPX_DEFAULT_VALUE) {
904 snd_soc_component_write(component, AIC32X4_DOUTCTL,
905 aic32x4->setup->gpio_func[1]);
906 snd_soc_add_component_controls(component, aic32x4_mfp2,
907 ARRAY_SIZE(aic32x4_mfp2));
908 }
909
910 /* MFP3 */
911 if (aic32x4->setup->gpio_func[2] != AIC32X4_MFPX_DEFAULT_VALUE) {
912 snd_soc_component_write(component, AIC32X4_SCLKCTL,
913 aic32x4->setup->gpio_func[2]);
914 snd_soc_add_component_controls(component, aic32x4_mfp3,
915 ARRAY_SIZE(aic32x4_mfp3));
916 }
917
918 /* MFP4 */
919 if (aic32x4->setup->gpio_func[3] != AIC32X4_MFPX_DEFAULT_VALUE) {
920 snd_soc_component_write(component, AIC32X4_MISOCTL,
921 aic32x4->setup->gpio_func[3]);
922 snd_soc_add_component_controls(component, aic32x4_mfp4,
923 ARRAY_SIZE(aic32x4_mfp4));
924 }
925
926 /* MFP5 */
927 if (aic32x4->setup->gpio_func[4] != AIC32X4_MFPX_DEFAULT_VALUE) {
928 snd_soc_component_write(component, AIC32X4_GPIOCTL,
929 aic32x4->setup->gpio_func[4]);
930 snd_soc_add_component_controls(component, aic32x4_mfp5,
931 ARRAY_SIZE(aic32x4_mfp5));
932 }
933 }
934
935 static int aic32x4_component_probe(struct snd_soc_component *component)
936 {
937 struct aic32x4_priv *aic32x4 = snd_soc_component_get_drvdata(component);
938 u32 tmp_reg;
939 int ret;
940
941 struct clk_bulk_data clocks[] = {
942 { .id = "codec_clkin" },
943 { .id = "pll" },
944 { .id = "bdiv" },
945 { .id = "mdac" },
946 };
947
948 ret = devm_clk_bulk_get(component->dev, ARRAY_SIZE(clocks), clocks);
949 if (ret)
950 return ret;
951
952 if (gpio_is_valid(aic32x4->rstn_gpio)) {
953 ndelay(10);
954 gpio_set_value(aic32x4->rstn_gpio, 1);
955 mdelay(1);
956 }
957
958 snd_soc_component_write(component, AIC32X4_RESET, 0x01);
959
960 if (aic32x4->setup)
961 aic32x4_setup_gpios(component);
962
963 clk_set_parent(clocks[0].clk, clocks[1].clk);
964 clk_set_parent(clocks[2].clk, clocks[3].clk);
965
966 /* Power platform configuration */
967 if (aic32x4->power_cfg & AIC32X4_PWR_MICBIAS_2075_LDOIN) {
968 snd_soc_component_write(component, AIC32X4_MICBIAS,
969 AIC32X4_MICBIAS_LDOIN | AIC32X4_MICBIAS_2075V);
970 }
971 if (aic32x4->power_cfg & AIC32X4_PWR_AVDD_DVDD_WEAK_DISABLE)
972 snd_soc_component_write(component, AIC32X4_PWRCFG, AIC32X4_AVDDWEAKDISABLE);
973
974 tmp_reg = (aic32x4->power_cfg & AIC32X4_PWR_AIC32X4_LDO_ENABLE) ?
975 AIC32X4_LDOCTLEN : 0;
976 snd_soc_component_write(component, AIC32X4_LDOCTL, tmp_reg);
977
978 tmp_reg = snd_soc_component_read32(component, AIC32X4_CMMODE);
979 if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_LDOIN_RANGE_18_36)
980 tmp_reg |= AIC32X4_LDOIN_18_36;
981 if (aic32x4->power_cfg & AIC32X4_PWR_CMMODE_HP_LDOIN_POWERED)
982 tmp_reg |= AIC32X4_LDOIN2HP;
983 snd_soc_component_write(component, AIC32X4_CMMODE, tmp_reg);
984
985 /* Mic PGA routing */
986 if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_LMIC_IN2R_10K)
987 snd_soc_component_write(component, AIC32X4_LMICPGANIN,
988 AIC32X4_LMICPGANIN_IN2R_10K);
989 else
990 snd_soc_component_write(component, AIC32X4_LMICPGANIN,
991 AIC32X4_LMICPGANIN_CM1L_10K);
992 if (aic32x4->micpga_routing & AIC32X4_MICPGA_ROUTE_RMIC_IN1L_10K)
993 snd_soc_component_write(component, AIC32X4_RMICPGANIN,
994 AIC32X4_RMICPGANIN_IN1L_10K);
995 else
996 snd_soc_component_write(component, AIC32X4_RMICPGANIN,
997 AIC32X4_RMICPGANIN_CM1R_10K);
998
999 /*
1000 * Workaround: for an unknown reason, the ADC needs to be powered up
1001 * and down for the first capture to work properly. It seems related to
1002 * a HW BUG or some kind of behavior not documented in the datasheet.
1003 */
1004 tmp_reg = snd_soc_component_read32(component, AIC32X4_ADCSETUP);
1005 snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg |
1006 AIC32X4_LADC_EN | AIC32X4_RADC_EN);
1007 snd_soc_component_write(component, AIC32X4_ADCSETUP, tmp_reg);
1008
1009 return 0;
1010 }
1011
1012 static const struct snd_soc_component_driver soc_component_dev_aic32x4 = {
1013 .probe = aic32x4_component_probe,
1014 .set_bias_level = aic32x4_set_bias_level,
1015 .controls = aic32x4_snd_controls,
1016 .num_controls = ARRAY_SIZE(aic32x4_snd_controls),
1017 .dapm_widgets = aic32x4_dapm_widgets,
1018 .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets),
1019 .dapm_routes = aic32x4_dapm_routes,
1020 .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes),
1021 .suspend_bias_off = 1,
1022 .idle_bias_on = 1,
1023 .use_pmdown_time = 1,
1024 .endianness = 1,
1025 .non_legacy_dai_naming = 1,
1026 };
1027
1028 static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4,
1029 struct device_node *np)
1030 {
1031 struct aic32x4_setup_data *aic32x4_setup;
1032 int ret;
1033
1034 aic32x4_setup = devm_kzalloc(aic32x4->dev, sizeof(*aic32x4_setup),
1035 GFP_KERNEL);
1036 if (!aic32x4_setup)
1037 return -ENOMEM;
1038
1039 ret = of_property_match_string(np, "clock-names", "mclk");
1040 if (ret < 0)
1041 return -EINVAL;
1042 aic32x4->mclk_name = of_clk_get_parent_name(np, ret);
1043
1044 aic32x4->swapdacs = false;
1045 aic32x4->micpga_routing = 0;
1046 aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0);
1047
1048 if (of_property_read_u32_array(np, "aic32x4-gpio-func",
1049 aic32x4_setup->gpio_func, 5) >= 0)
1050 aic32x4->setup = aic32x4_setup;
1051 return 0;
1052 }
1053
1054 static void aic32x4_disable_regulators(struct aic32x4_priv *aic32x4)
1055 {
1056 regulator_disable(aic32x4->supply_iov);
1057
1058 if (!IS_ERR(aic32x4->supply_ldo))
1059 regulator_disable(aic32x4->supply_ldo);
1060
1061 if (!IS_ERR(aic32x4->supply_dv))
1062 regulator_disable(aic32x4->supply_dv);
1063
1064 if (!IS_ERR(aic32x4->supply_av))
1065 regulator_disable(aic32x4->supply_av);
1066 }
1067
1068 static int aic32x4_setup_regulators(struct device *dev,
1069 struct aic32x4_priv *aic32x4)
1070 {
1071 int ret = 0;
1072
1073 aic32x4->supply_ldo = devm_regulator_get_optional(dev, "ldoin");
1074 aic32x4->supply_iov = devm_regulator_get(dev, "iov");
1075 aic32x4->supply_dv = devm_regulator_get_optional(dev, "dv");
1076 aic32x4->supply_av = devm_regulator_get_optional(dev, "av");
1077
1078 /* Check if the regulator requirements are fulfilled */
1079
1080 if (IS_ERR(aic32x4->supply_iov)) {
1081 dev_err(dev, "Missing supply 'iov'\n");
1082 return PTR_ERR(aic32x4->supply_iov);
1083 }
1084
1085 if (IS_ERR(aic32x4->supply_ldo)) {
1086 if (PTR_ERR(aic32x4->supply_ldo) == -EPROBE_DEFER)
1087 return -EPROBE_DEFER;
1088
1089 if (IS_ERR(aic32x4->supply_dv)) {
1090 dev_err(dev, "Missing supply 'dv' or 'ldoin'\n");
1091 return PTR_ERR(aic32x4->supply_dv);
1092 }
1093 if (IS_ERR(aic32x4->supply_av)) {
1094 dev_err(dev, "Missing supply 'av' or 'ldoin'\n");
1095 return PTR_ERR(aic32x4->supply_av);
1096 }
1097 } else {
1098 if (IS_ERR(aic32x4->supply_dv) &&
1099 PTR_ERR(aic32x4->supply_dv) == -EPROBE_DEFER)
1100 return -EPROBE_DEFER;
1101 if (IS_ERR(aic32x4->supply_av) &&
1102 PTR_ERR(aic32x4->supply_av) == -EPROBE_DEFER)
1103 return -EPROBE_DEFER;
1104 }
1105
1106 ret = regulator_enable(aic32x4->supply_iov);
1107 if (ret) {
1108 dev_err(dev, "Failed to enable regulator iov\n");
1109 return ret;
1110 }
1111
1112 if (!IS_ERR(aic32x4->supply_ldo)) {
1113 ret = regulator_enable(aic32x4->supply_ldo);
1114 if (ret) {
1115 dev_err(dev, "Failed to enable regulator ldo\n");
1116 goto error_ldo;
1117 }
1118 }
1119
1120 if (!IS_ERR(aic32x4->supply_dv)) {
1121 ret = regulator_enable(aic32x4->supply_dv);
1122 if (ret) {
1123 dev_err(dev, "Failed to enable regulator dv\n");
1124 goto error_dv;
1125 }
1126 }
1127
1128 if (!IS_ERR(aic32x4->supply_av)) {
1129 ret = regulator_enable(aic32x4->supply_av);
1130 if (ret) {
1131 dev_err(dev, "Failed to enable regulator av\n");
1132 goto error_av;
1133 }
1134 }
1135
1136 if (!IS_ERR(aic32x4->supply_ldo) && IS_ERR(aic32x4->supply_av))
1137 aic32x4->power_cfg |= AIC32X4_PWR_AIC32X4_LDO_ENABLE;
1138
1139 return 0;
1140
1141 error_av:
1142 if (!IS_ERR(aic32x4->supply_dv))
1143 regulator_disable(aic32x4->supply_dv);
1144
1145 error_dv:
1146 if (!IS_ERR(aic32x4->supply_ldo))
1147 regulator_disable(aic32x4->supply_ldo);
1148
1149 error_ldo:
1150 regulator_disable(aic32x4->supply_iov);
1151 return ret;
1152 }
1153
1154 int aic32x4_probe(struct device *dev, struct regmap *regmap)
1155 {
1156 struct aic32x4_priv *aic32x4;
1157 struct aic32x4_pdata *pdata = dev->platform_data;
1158 struct device_node *np = dev->of_node;
1159 int ret;
1160
1161 if (IS_ERR(regmap))
1162 return PTR_ERR(regmap);
1163
1164 aic32x4 = devm_kzalloc(dev, sizeof(struct aic32x4_priv),
1165 GFP_KERNEL);
1166 if (aic32x4 == NULL)
1167 return -ENOMEM;
1168
1169 aic32x4->dev = dev;
1170 dev_set_drvdata(dev, aic32x4);
1171
1172 if (pdata) {
1173 aic32x4->power_cfg = pdata->power_cfg;
1174 aic32x4->swapdacs = pdata->swapdacs;
1175 aic32x4->micpga_routing = pdata->micpga_routing;
1176 aic32x4->rstn_gpio = pdata->rstn_gpio;
1177 aic32x4->mclk_name = "mclk";
1178 } else if (np) {
1179 ret = aic32x4_parse_dt(aic32x4, np);
1180 if (ret) {
1181 dev_err(dev, "Failed to parse DT node\n");
1182 return ret;
1183 }
1184 } else {
1185 aic32x4->power_cfg = 0;
1186 aic32x4->swapdacs = false;
1187 aic32x4->micpga_routing = 0;
1188 aic32x4->rstn_gpio = -1;
1189 aic32x4->mclk_name = "mclk";
1190 }
1191
1192 ret = aic32x4_register_clocks(dev, aic32x4->mclk_name);
1193 if (ret)
1194 return ret;
1195
1196 if (gpio_is_valid(aic32x4->rstn_gpio)) {
1197 ret = devm_gpio_request_one(dev, aic32x4->rstn_gpio,
1198 GPIOF_OUT_INIT_LOW, "tlv320aic32x4 rstn");
1199 if (ret != 0)
1200 return ret;
1201 }
1202
1203 ret = aic32x4_setup_regulators(dev, aic32x4);
1204 if (ret) {
1205 dev_err(dev, "Failed to setup regulators\n");
1206 return ret;
1207 }
1208
1209 ret = devm_snd_soc_register_component(dev,
1210 &soc_component_dev_aic32x4, &aic32x4_dai, 1);
1211 if (ret) {
1212 dev_err(dev, "Failed to register component\n");
1213 aic32x4_disable_regulators(aic32x4);
1214 return ret;
1215 }
1216
1217 return 0;
1218 }
1219 EXPORT_SYMBOL(aic32x4_probe);
1220
1221 int aic32x4_remove(struct device *dev)
1222 {
1223 struct aic32x4_priv *aic32x4 = dev_get_drvdata(dev);
1224
1225 aic32x4_disable_regulators(aic32x4);
1226
1227 return 0;
1228 }
1229 EXPORT_SYMBOL(aic32x4_remove);
1230
1231 MODULE_DESCRIPTION("ASoC tlv320aic32x4 codec driver");
1232 MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
1233 MODULE_LICENSE("GPL");
Linux with added FPC-III support