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d2912cb1 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
74dc55ed MB |
2 | /* |
3 | * wm8961.c -- WM8961 ALSA SoC Audio driver | |
4 | * | |
656baaeb MB |
5 | * Copyright 2009-10 Wolfson Microelectronics, plc |
6 | * | |
74dc55ed MB |
7 | * Author: Mark Brown |
8 | * | |
74dc55ed MB |
9 | * Currently unimplemented features: |
10 | * - ALC | |
11 | */ | |
12 | ||
13 | #include <linux/module.h> | |
14 | #include <linux/moduleparam.h> | |
15 | #include <linux/init.h> | |
16 | #include <linux/delay.h> | |
17 | #include <linux/pm.h> | |
18 | #include <linux/i2c.h> | |
35ecf7cd | 19 | #include <linux/regmap.h> |
5a0e3ad6 | 20 | #include <linux/slab.h> |
74dc55ed MB |
21 | #include <sound/core.h> |
22 | #include <sound/pcm.h> | |
23 | #include <sound/pcm_params.h> | |
24 | #include <sound/soc.h> | |
74dc55ed MB |
25 | #include <sound/initval.h> |
26 | #include <sound/tlv.h> | |
27 | ||
28 | #include "wm8961.h" | |
29 | ||
30 | #define WM8961_MAX_REGISTER 0xFC | |
31 | ||
35ecf7cd MB |
32 | static const struct reg_default wm8961_reg_defaults[] = { |
33 | { 0, 0x009F }, /* R0 - Left Input volume */ | |
34 | { 1, 0x009F }, /* R1 - Right Input volume */ | |
35 | { 2, 0x0000 }, /* R2 - LOUT1 volume */ | |
36 | { 3, 0x0000 }, /* R3 - ROUT1 volume */ | |
37 | { 4, 0x0020 }, /* R4 - Clocking1 */ | |
38 | { 5, 0x0008 }, /* R5 - ADC & DAC Control 1 */ | |
39 | { 6, 0x0000 }, /* R6 - ADC & DAC Control 2 */ | |
40 | { 7, 0x000A }, /* R7 - Audio Interface 0 */ | |
41 | { 8, 0x01F4 }, /* R8 - Clocking2 */ | |
42 | { 9, 0x0000 }, /* R9 - Audio Interface 1 */ | |
43 | { 10, 0x00FF }, /* R10 - Left DAC volume */ | |
44 | { 11, 0x00FF }, /* R11 - Right DAC volume */ | |
45 | ||
46 | { 14, 0x0040 }, /* R14 - Audio Interface 2 */ | |
47 | ||
48 | { 17, 0x007B }, /* R17 - ALC1 */ | |
49 | { 18, 0x0000 }, /* R18 - ALC2 */ | |
50 | { 19, 0x0032 }, /* R19 - ALC3 */ | |
51 | { 20, 0x0000 }, /* R20 - Noise Gate */ | |
52 | { 21, 0x00C0 }, /* R21 - Left ADC volume */ | |
53 | { 22, 0x00C0 }, /* R22 - Right ADC volume */ | |
54 | { 23, 0x0120 }, /* R23 - Additional control(1) */ | |
55 | { 24, 0x0000 }, /* R24 - Additional control(2) */ | |
56 | { 25, 0x0000 }, /* R25 - Pwr Mgmt (1) */ | |
57 | { 26, 0x0000 }, /* R26 - Pwr Mgmt (2) */ | |
58 | { 27, 0x0000 }, /* R27 - Additional Control (3) */ | |
59 | { 28, 0x0000 }, /* R28 - Anti-pop */ | |
60 | ||
61 | { 30, 0x005F }, /* R30 - Clocking 3 */ | |
62 | ||
63 | { 32, 0x0000 }, /* R32 - ADCL signal path */ | |
64 | { 33, 0x0000 }, /* R33 - ADCR signal path */ | |
65 | ||
66 | { 40, 0x0000 }, /* R40 - LOUT2 volume */ | |
67 | { 41, 0x0000 }, /* R41 - ROUT2 volume */ | |
68 | ||
69 | { 47, 0x0000 }, /* R47 - Pwr Mgmt (3) */ | |
70 | { 48, 0x0023 }, /* R48 - Additional Control (4) */ | |
71 | { 49, 0x0000 }, /* R49 - Class D Control 1 */ | |
72 | ||
73 | { 51, 0x0003 }, /* R51 - Class D Control 2 */ | |
74 | ||
75 | { 56, 0x0106 }, /* R56 - Clocking 4 */ | |
76 | { 57, 0x0000 }, /* R57 - DSP Sidetone 0 */ | |
77 | { 58, 0x0000 }, /* R58 - DSP Sidetone 1 */ | |
78 | ||
79 | { 60, 0x0000 }, /* R60 - DC Servo 0 */ | |
80 | { 61, 0x0000 }, /* R61 - DC Servo 1 */ | |
81 | ||
82 | { 63, 0x015E }, /* R63 - DC Servo 3 */ | |
83 | ||
84 | { 65, 0x0010 }, /* R65 - DC Servo 5 */ | |
85 | ||
86 | { 68, 0x0003 }, /* R68 - Analogue PGA Bias */ | |
87 | { 69, 0x0000 }, /* R69 - Analogue HP 0 */ | |
88 | ||
89 | { 71, 0x01FB }, /* R71 - Analogue HP 2 */ | |
90 | { 72, 0x0000 }, /* R72 - Charge Pump 1 */ | |
91 | ||
92 | { 82, 0x0000 }, /* R82 - Charge Pump B */ | |
93 | ||
94 | { 87, 0x0000 }, /* R87 - Write Sequencer 1 */ | |
95 | { 88, 0x0000 }, /* R88 - Write Sequencer 2 */ | |
96 | { 89, 0x0000 }, /* R89 - Write Sequencer 3 */ | |
97 | { 90, 0x0000 }, /* R90 - Write Sequencer 4 */ | |
98 | { 91, 0x0000 }, /* R91 - Write Sequencer 5 */ | |
99 | { 92, 0x0000 }, /* R92 - Write Sequencer 6 */ | |
100 | { 93, 0x0000 }, /* R93 - Write Sequencer 7 */ | |
101 | ||
102 | { 252, 0x0001 }, /* R252 - General test 1 */ | |
74dc55ed MB |
103 | }; |
104 | ||
105 | struct wm8961_priv { | |
35ecf7cd | 106 | struct regmap *regmap; |
74dc55ed | 107 | int sysclk; |
74dc55ed MB |
108 | }; |
109 | ||
35ecf7cd | 110 | static bool wm8961_volatile(struct device *dev, unsigned int reg) |
74dc55ed MB |
111 | { |
112 | switch (reg) { | |
8d50e447 | 113 | case WM8961_SOFTWARE_RESET: |
74dc55ed MB |
114 | case WM8961_WRITE_SEQUENCER_7: |
115 | case WM8961_DC_SERVO_1: | |
35ecf7cd | 116 | return true; |
74dc55ed MB |
117 | |
118 | default: | |
35ecf7cd MB |
119 | return false; |
120 | } | |
121 | } | |
122 | ||
123 | static bool wm8961_readable(struct device *dev, unsigned int reg) | |
124 | { | |
125 | switch (reg) { | |
126 | case WM8961_LEFT_INPUT_VOLUME: | |
127 | case WM8961_RIGHT_INPUT_VOLUME: | |
128 | case WM8961_LOUT1_VOLUME: | |
129 | case WM8961_ROUT1_VOLUME: | |
130 | case WM8961_CLOCKING1: | |
131 | case WM8961_ADC_DAC_CONTROL_1: | |
132 | case WM8961_ADC_DAC_CONTROL_2: | |
133 | case WM8961_AUDIO_INTERFACE_0: | |
134 | case WM8961_CLOCKING2: | |
135 | case WM8961_AUDIO_INTERFACE_1: | |
136 | case WM8961_LEFT_DAC_VOLUME: | |
137 | case WM8961_RIGHT_DAC_VOLUME: | |
138 | case WM8961_AUDIO_INTERFACE_2: | |
139 | case WM8961_SOFTWARE_RESET: | |
140 | case WM8961_ALC1: | |
141 | case WM8961_ALC2: | |
142 | case WM8961_ALC3: | |
143 | case WM8961_NOISE_GATE: | |
144 | case WM8961_LEFT_ADC_VOLUME: | |
145 | case WM8961_RIGHT_ADC_VOLUME: | |
146 | case WM8961_ADDITIONAL_CONTROL_1: | |
147 | case WM8961_ADDITIONAL_CONTROL_2: | |
148 | case WM8961_PWR_MGMT_1: | |
149 | case WM8961_PWR_MGMT_2: | |
150 | case WM8961_ADDITIONAL_CONTROL_3: | |
151 | case WM8961_ANTI_POP: | |
152 | case WM8961_CLOCKING_3: | |
153 | case WM8961_ADCL_SIGNAL_PATH: | |
154 | case WM8961_ADCR_SIGNAL_PATH: | |
155 | case WM8961_LOUT2_VOLUME: | |
156 | case WM8961_ROUT2_VOLUME: | |
157 | case WM8961_PWR_MGMT_3: | |
158 | case WM8961_ADDITIONAL_CONTROL_4: | |
159 | case WM8961_CLASS_D_CONTROL_1: | |
160 | case WM8961_CLASS_D_CONTROL_2: | |
161 | case WM8961_CLOCKING_4: | |
162 | case WM8961_DSP_SIDETONE_0: | |
163 | case WM8961_DSP_SIDETONE_1: | |
164 | case WM8961_DC_SERVO_0: | |
165 | case WM8961_DC_SERVO_1: | |
166 | case WM8961_DC_SERVO_3: | |
167 | case WM8961_DC_SERVO_5: | |
168 | case WM8961_ANALOGUE_PGA_BIAS: | |
169 | case WM8961_ANALOGUE_HP_0: | |
170 | case WM8961_ANALOGUE_HP_2: | |
171 | case WM8961_CHARGE_PUMP_1: | |
172 | case WM8961_CHARGE_PUMP_B: | |
173 | case WM8961_WRITE_SEQUENCER_1: | |
174 | case WM8961_WRITE_SEQUENCER_2: | |
175 | case WM8961_WRITE_SEQUENCER_3: | |
176 | case WM8961_WRITE_SEQUENCER_4: | |
177 | case WM8961_WRITE_SEQUENCER_5: | |
178 | case WM8961_WRITE_SEQUENCER_6: | |
179 | case WM8961_WRITE_SEQUENCER_7: | |
180 | case WM8961_GENERAL_TEST_1: | |
181 | return true; | |
182 | default: | |
183 | return false; | |
74dc55ed MB |
184 | } |
185 | } | |
186 | ||
74dc55ed MB |
187 | /* |
188 | * The headphone output supports special anti-pop sequences giving | |
189 | * silent power up and power down. | |
190 | */ | |
191 | static int wm8961_hp_event(struct snd_soc_dapm_widget *w, | |
192 | struct snd_kcontrol *kcontrol, int event) | |
193 | { | |
ce8d1015 KM |
194 | struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); |
195 | u16 hp_reg = snd_soc_component_read32(component, WM8961_ANALOGUE_HP_0); | |
196 | u16 cp_reg = snd_soc_component_read32(component, WM8961_CHARGE_PUMP_1); | |
197 | u16 pwr_reg = snd_soc_component_read32(component, WM8961_PWR_MGMT_2); | |
198 | u16 dcs_reg = snd_soc_component_read32(component, WM8961_DC_SERVO_1); | |
74dc55ed MB |
199 | int timeout = 500; |
200 | ||
201 | if (event & SND_SOC_DAPM_POST_PMU) { | |
202 | /* Make sure the output is shorted */ | |
203 | hp_reg &= ~(WM8961_HPR_RMV_SHORT | WM8961_HPL_RMV_SHORT); | |
ce8d1015 | 204 | snd_soc_component_write(component, WM8961_ANALOGUE_HP_0, hp_reg); |
74dc55ed MB |
205 | |
206 | /* Enable the charge pump */ | |
207 | cp_reg |= WM8961_CP_ENA; | |
ce8d1015 | 208 | snd_soc_component_write(component, WM8961_CHARGE_PUMP_1, cp_reg); |
74dc55ed MB |
209 | mdelay(5); |
210 | ||
211 | /* Enable the PGA */ | |
212 | pwr_reg |= WM8961_LOUT1_PGA | WM8961_ROUT1_PGA; | |
ce8d1015 | 213 | snd_soc_component_write(component, WM8961_PWR_MGMT_2, pwr_reg); |
74dc55ed MB |
214 | |
215 | /* Enable the amplifier */ | |
216 | hp_reg |= WM8961_HPR_ENA | WM8961_HPL_ENA; | |
ce8d1015 | 217 | snd_soc_component_write(component, WM8961_ANALOGUE_HP_0, hp_reg); |
74dc55ed MB |
218 | |
219 | /* Second stage enable */ | |
220 | hp_reg |= WM8961_HPR_ENA_DLY | WM8961_HPL_ENA_DLY; | |
ce8d1015 | 221 | snd_soc_component_write(component, WM8961_ANALOGUE_HP_0, hp_reg); |
74dc55ed MB |
222 | |
223 | /* Enable the DC servo & trigger startup */ | |
224 | dcs_reg |= | |
225 | WM8961_DCS_ENA_CHAN_HPR | WM8961_DCS_TRIG_STARTUP_HPR | | |
226 | WM8961_DCS_ENA_CHAN_HPL | WM8961_DCS_TRIG_STARTUP_HPL; | |
ce8d1015 | 227 | dev_dbg(component->dev, "Enabling DC servo\n"); |
74dc55ed | 228 | |
ce8d1015 | 229 | snd_soc_component_write(component, WM8961_DC_SERVO_1, dcs_reg); |
74dc55ed MB |
230 | do { |
231 | msleep(1); | |
ce8d1015 | 232 | dcs_reg = snd_soc_component_read32(component, WM8961_DC_SERVO_1); |
74dc55ed MB |
233 | } while (--timeout && |
234 | dcs_reg & (WM8961_DCS_TRIG_STARTUP_HPR | | |
235 | WM8961_DCS_TRIG_STARTUP_HPL)); | |
236 | if (dcs_reg & (WM8961_DCS_TRIG_STARTUP_HPR | | |
237 | WM8961_DCS_TRIG_STARTUP_HPL)) | |
ce8d1015 | 238 | dev_err(component->dev, "DC servo timed out\n"); |
74dc55ed | 239 | else |
ce8d1015 | 240 | dev_dbg(component->dev, "DC servo startup complete\n"); |
74dc55ed MB |
241 | |
242 | /* Enable the output stage */ | |
243 | hp_reg |= WM8961_HPR_ENA_OUTP | WM8961_HPL_ENA_OUTP; | |
ce8d1015 | 244 | snd_soc_component_write(component, WM8961_ANALOGUE_HP_0, hp_reg); |
74dc55ed MB |
245 | |
246 | /* Remove the short on the output stage */ | |
247 | hp_reg |= WM8961_HPR_RMV_SHORT | WM8961_HPL_RMV_SHORT; | |
ce8d1015 | 248 | snd_soc_component_write(component, WM8961_ANALOGUE_HP_0, hp_reg); |
74dc55ed MB |
249 | } |
250 | ||
251 | if (event & SND_SOC_DAPM_PRE_PMD) { | |
252 | /* Short the output */ | |
253 | hp_reg &= ~(WM8961_HPR_RMV_SHORT | WM8961_HPL_RMV_SHORT); | |
ce8d1015 | 254 | snd_soc_component_write(component, WM8961_ANALOGUE_HP_0, hp_reg); |
74dc55ed MB |
255 | |
256 | /* Disable the output stage */ | |
257 | hp_reg &= ~(WM8961_HPR_ENA_OUTP | WM8961_HPL_ENA_OUTP); | |
ce8d1015 | 258 | snd_soc_component_write(component, WM8961_ANALOGUE_HP_0, hp_reg); |
74dc55ed MB |
259 | |
260 | /* Disable DC offset cancellation */ | |
261 | dcs_reg &= ~(WM8961_DCS_ENA_CHAN_HPR | | |
262 | WM8961_DCS_ENA_CHAN_HPL); | |
ce8d1015 | 263 | snd_soc_component_write(component, WM8961_DC_SERVO_1, dcs_reg); |
74dc55ed MB |
264 | |
265 | /* Finish up */ | |
266 | hp_reg &= ~(WM8961_HPR_ENA_DLY | WM8961_HPR_ENA | | |
267 | WM8961_HPL_ENA_DLY | WM8961_HPL_ENA); | |
ce8d1015 | 268 | snd_soc_component_write(component, WM8961_ANALOGUE_HP_0, hp_reg); |
74dc55ed MB |
269 | |
270 | /* Disable the PGA */ | |
271 | pwr_reg &= ~(WM8961_LOUT1_PGA | WM8961_ROUT1_PGA); | |
ce8d1015 | 272 | snd_soc_component_write(component, WM8961_PWR_MGMT_2, pwr_reg); |
74dc55ed MB |
273 | |
274 | /* Disable the charge pump */ | |
ce8d1015 KM |
275 | dev_dbg(component->dev, "Disabling charge pump\n"); |
276 | snd_soc_component_write(component, WM8961_CHARGE_PUMP_1, | |
74dc55ed MB |
277 | cp_reg & ~WM8961_CP_ENA); |
278 | } | |
279 | ||
280 | return 0; | |
281 | } | |
282 | ||
283 | static int wm8961_spk_event(struct snd_soc_dapm_widget *w, | |
284 | struct snd_kcontrol *kcontrol, int event) | |
285 | { | |
ce8d1015 KM |
286 | struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); |
287 | u16 pwr_reg = snd_soc_component_read32(component, WM8961_PWR_MGMT_2); | |
288 | u16 spk_reg = snd_soc_component_read32(component, WM8961_CLASS_D_CONTROL_1); | |
74dc55ed MB |
289 | |
290 | if (event & SND_SOC_DAPM_POST_PMU) { | |
291 | /* Enable the PGA */ | |
292 | pwr_reg |= WM8961_SPKL_PGA | WM8961_SPKR_PGA; | |
ce8d1015 | 293 | snd_soc_component_write(component, WM8961_PWR_MGMT_2, pwr_reg); |
74dc55ed MB |
294 | |
295 | /* Enable the amplifier */ | |
296 | spk_reg |= WM8961_SPKL_ENA | WM8961_SPKR_ENA; | |
ce8d1015 | 297 | snd_soc_component_write(component, WM8961_CLASS_D_CONTROL_1, spk_reg); |
74dc55ed MB |
298 | } |
299 | ||
300 | if (event & SND_SOC_DAPM_PRE_PMD) { | |
7fcadfd1 | 301 | /* Disable the amplifier */ |
74dc55ed | 302 | spk_reg &= ~(WM8961_SPKL_ENA | WM8961_SPKR_ENA); |
ce8d1015 | 303 | snd_soc_component_write(component, WM8961_CLASS_D_CONTROL_1, spk_reg); |
74dc55ed | 304 | |
7fcadfd1 | 305 | /* Disable the PGA */ |
74dc55ed | 306 | pwr_reg &= ~(WM8961_SPKL_PGA | WM8961_SPKR_PGA); |
ce8d1015 | 307 | snd_soc_component_write(component, WM8961_PWR_MGMT_2, pwr_reg); |
74dc55ed MB |
308 | } |
309 | ||
310 | return 0; | |
311 | } | |
312 | ||
313 | static const char *adc_hpf_text[] = { | |
314 | "Hi-fi", "Voice 1", "Voice 2", "Voice 3", | |
315 | }; | |
316 | ||
a6616cda TI |
317 | static SOC_ENUM_SINGLE_DECL(adc_hpf, |
318 | WM8961_ADC_DAC_CONTROL_2, 7, adc_hpf_text); | |
74dc55ed MB |
319 | |
320 | static const char *dac_deemph_text[] = { | |
321 | "None", "32kHz", "44.1kHz", "48kHz", | |
322 | }; | |
323 | ||
a6616cda TI |
324 | static SOC_ENUM_SINGLE_DECL(dac_deemph, |
325 | WM8961_ADC_DAC_CONTROL_1, 1, dac_deemph_text); | |
74dc55ed MB |
326 | |
327 | static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1); | |
328 | static const DECLARE_TLV_DB_SCALE(hp_sec_tlv, -700, 100, 0); | |
329 | static const DECLARE_TLV_DB_SCALE(adc_tlv, -7200, 75, 1); | |
330 | static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0); | |
5d272d89 | 331 | static const DECLARE_TLV_DB_RANGE(boost_tlv, |
74dc55ed MB |
332 | 0, 0, TLV_DB_SCALE_ITEM(0, 0, 0), |
333 | 1, 1, TLV_DB_SCALE_ITEM(13, 0, 0), | |
334 | 2, 2, TLV_DB_SCALE_ITEM(20, 0, 0), | |
5d272d89 LPC |
335 | 3, 3, TLV_DB_SCALE_ITEM(29, 0, 0) |
336 | ); | |
74dc55ed MB |
337 | static const DECLARE_TLV_DB_SCALE(pga_tlv, -2325, 75, 0); |
338 | ||
339 | static const struct snd_kcontrol_new wm8961_snd_controls[] = { | |
340 | SOC_DOUBLE_R_TLV("Headphone Volume", WM8961_LOUT1_VOLUME, WM8961_ROUT1_VOLUME, | |
341 | 0, 127, 0, out_tlv), | |
342 | SOC_DOUBLE_TLV("Headphone Secondary Volume", WM8961_ANALOGUE_HP_2, | |
343 | 6, 3, 7, 0, hp_sec_tlv), | |
344 | SOC_DOUBLE_R("Headphone ZC Switch", WM8961_LOUT1_VOLUME, WM8961_ROUT1_VOLUME, | |
345 | 7, 1, 0), | |
346 | ||
347 | SOC_DOUBLE_R_TLV("Speaker Volume", WM8961_LOUT2_VOLUME, WM8961_ROUT2_VOLUME, | |
348 | 0, 127, 0, out_tlv), | |
349 | SOC_DOUBLE_R("Speaker ZC Switch", WM8961_LOUT2_VOLUME, WM8961_ROUT2_VOLUME, | |
350 | 7, 1, 0), | |
351 | SOC_SINGLE("Speaker AC Gain", WM8961_CLASS_D_CONTROL_2, 0, 7, 0), | |
352 | ||
353 | SOC_SINGLE("DAC x128 OSR Switch", WM8961_ADC_DAC_CONTROL_2, 0, 1, 0), | |
354 | SOC_ENUM("DAC Deemphasis", dac_deemph), | |
355 | SOC_SINGLE("DAC Soft Mute Switch", WM8961_ADC_DAC_CONTROL_2, 3, 1, 0), | |
356 | ||
357 | SOC_DOUBLE_R_TLV("Sidetone Volume", WM8961_DSP_SIDETONE_0, | |
358 | WM8961_DSP_SIDETONE_1, 4, 12, 0, sidetone_tlv), | |
359 | ||
360 | SOC_SINGLE("ADC High Pass Filter Switch", WM8961_ADC_DAC_CONTROL_1, 0, 1, 0), | |
361 | SOC_ENUM("ADC High Pass Filter Mode", adc_hpf), | |
362 | ||
363 | SOC_DOUBLE_R_TLV("Capture Volume", | |
364 | WM8961_LEFT_ADC_VOLUME, WM8961_RIGHT_ADC_VOLUME, | |
365 | 1, 119, 0, adc_tlv), | |
366 | SOC_DOUBLE_R_TLV("Capture Boost Volume", | |
367 | WM8961_ADCL_SIGNAL_PATH, WM8961_ADCR_SIGNAL_PATH, | |
368 | 4, 3, 0, boost_tlv), | |
369 | SOC_DOUBLE_R_TLV("Capture PGA Volume", | |
370 | WM8961_LEFT_INPUT_VOLUME, WM8961_RIGHT_INPUT_VOLUME, | |
371 | 0, 62, 0, pga_tlv), | |
372 | SOC_DOUBLE_R("Capture PGA ZC Switch", | |
373 | WM8961_LEFT_INPUT_VOLUME, WM8961_RIGHT_INPUT_VOLUME, | |
374 | 6, 1, 1), | |
375 | SOC_DOUBLE_R("Capture PGA Switch", | |
376 | WM8961_LEFT_INPUT_VOLUME, WM8961_RIGHT_INPUT_VOLUME, | |
377 | 7, 1, 1), | |
378 | }; | |
379 | ||
380 | static const char *sidetone_text[] = { | |
381 | "None", "Left", "Right" | |
382 | }; | |
383 | ||
a6616cda TI |
384 | static SOC_ENUM_SINGLE_DECL(dacl_sidetone, |
385 | WM8961_DSP_SIDETONE_0, 2, sidetone_text); | |
74dc55ed | 386 | |
a6616cda TI |
387 | static SOC_ENUM_SINGLE_DECL(dacr_sidetone, |
388 | WM8961_DSP_SIDETONE_1, 2, sidetone_text); | |
74dc55ed MB |
389 | |
390 | static const struct snd_kcontrol_new dacl_mux = | |
391 | SOC_DAPM_ENUM("DACL Sidetone", dacl_sidetone); | |
392 | ||
393 | static const struct snd_kcontrol_new dacr_mux = | |
394 | SOC_DAPM_ENUM("DACR Sidetone", dacr_sidetone); | |
395 | ||
396 | static const struct snd_soc_dapm_widget wm8961_dapm_widgets[] = { | |
397 | SND_SOC_DAPM_INPUT("LINPUT"), | |
398 | SND_SOC_DAPM_INPUT("RINPUT"), | |
399 | ||
400 | SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8961_CLOCKING2, 4, 0, NULL, 0), | |
401 | ||
402 | SND_SOC_DAPM_PGA("Left Input", WM8961_PWR_MGMT_1, 5, 0, NULL, 0), | |
403 | SND_SOC_DAPM_PGA("Right Input", WM8961_PWR_MGMT_1, 4, 0, NULL, 0), | |
404 | ||
405 | SND_SOC_DAPM_ADC("ADCL", "HiFi Capture", WM8961_PWR_MGMT_1, 3, 0), | |
406 | SND_SOC_DAPM_ADC("ADCR", "HiFi Capture", WM8961_PWR_MGMT_1, 2, 0), | |
407 | ||
20abf088 | 408 | SND_SOC_DAPM_SUPPLY("MICBIAS", WM8961_PWR_MGMT_1, 1, 0, NULL, 0), |
74dc55ed MB |
409 | |
410 | SND_SOC_DAPM_MUX("DACL Sidetone", SND_SOC_NOPM, 0, 0, &dacl_mux), | |
411 | SND_SOC_DAPM_MUX("DACR Sidetone", SND_SOC_NOPM, 0, 0, &dacr_mux), | |
412 | ||
413 | SND_SOC_DAPM_DAC("DACL", "HiFi Playback", WM8961_PWR_MGMT_2, 8, 0), | |
414 | SND_SOC_DAPM_DAC("DACR", "HiFi Playback", WM8961_PWR_MGMT_2, 7, 0), | |
415 | ||
416 | /* Handle as a mono path for DCS */ | |
417 | SND_SOC_DAPM_PGA_E("Headphone Output", SND_SOC_NOPM, | |
418 | 4, 0, NULL, 0, wm8961_hp_event, | |
419 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), | |
420 | SND_SOC_DAPM_PGA_E("Speaker Output", SND_SOC_NOPM, | |
421 | 4, 0, NULL, 0, wm8961_spk_event, | |
422 | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), | |
423 | ||
424 | SND_SOC_DAPM_OUTPUT("HP_L"), | |
425 | SND_SOC_DAPM_OUTPUT("HP_R"), | |
426 | SND_SOC_DAPM_OUTPUT("SPK_LN"), | |
427 | SND_SOC_DAPM_OUTPUT("SPK_LP"), | |
428 | SND_SOC_DAPM_OUTPUT("SPK_RN"), | |
429 | SND_SOC_DAPM_OUTPUT("SPK_RP"), | |
430 | }; | |
431 | ||
432 | ||
433 | static const struct snd_soc_dapm_route audio_paths[] = { | |
434 | { "DACL", NULL, "CLK_DSP" }, | |
435 | { "DACL", NULL, "DACL Sidetone" }, | |
436 | { "DACR", NULL, "CLK_DSP" }, | |
437 | { "DACR", NULL, "DACR Sidetone" }, | |
438 | ||
439 | { "DACL Sidetone", "Left", "ADCL" }, | |
440 | { "DACL Sidetone", "Right", "ADCR" }, | |
441 | ||
442 | { "DACR Sidetone", "Left", "ADCL" }, | |
443 | { "DACR Sidetone", "Right", "ADCR" }, | |
444 | ||
445 | { "HP_L", NULL, "Headphone Output" }, | |
446 | { "HP_R", NULL, "Headphone Output" }, | |
447 | { "Headphone Output", NULL, "DACL" }, | |
448 | { "Headphone Output", NULL, "DACR" }, | |
449 | ||
450 | { "SPK_LN", NULL, "Speaker Output" }, | |
451 | { "SPK_LP", NULL, "Speaker Output" }, | |
452 | { "SPK_RN", NULL, "Speaker Output" }, | |
453 | { "SPK_RP", NULL, "Speaker Output" }, | |
454 | ||
455 | { "Speaker Output", NULL, "DACL" }, | |
456 | { "Speaker Output", NULL, "DACR" }, | |
457 | ||
458 | { "ADCL", NULL, "Left Input" }, | |
459 | { "ADCL", NULL, "CLK_DSP" }, | |
460 | { "ADCR", NULL, "Right Input" }, | |
461 | { "ADCR", NULL, "CLK_DSP" }, | |
462 | ||
463 | { "Left Input", NULL, "LINPUT" }, | |
464 | { "Right Input", NULL, "RINPUT" }, | |
465 | ||
466 | }; | |
467 | ||
468 | /* Values for CLK_SYS_RATE */ | |
469 | static struct { | |
470 | int ratio; | |
471 | u16 val; | |
472 | } wm8961_clk_sys_ratio[] = { | |
473 | { 64, 0 }, | |
474 | { 128, 1 }, | |
475 | { 192, 2 }, | |
476 | { 256, 3 }, | |
477 | { 384, 4 }, | |
478 | { 512, 5 }, | |
479 | { 768, 6 }, | |
480 | { 1024, 7 }, | |
481 | { 1408, 8 }, | |
482 | { 1536, 9 }, | |
483 | }; | |
484 | ||
485 | /* Values for SAMPLE_RATE */ | |
486 | static struct { | |
487 | int rate; | |
488 | u16 val; | |
489 | } wm8961_srate[] = { | |
490 | { 48000, 0 }, | |
491 | { 44100, 0 }, | |
492 | { 32000, 1 }, | |
493 | { 22050, 2 }, | |
494 | { 24000, 2 }, | |
495 | { 16000, 3 }, | |
496 | { 11250, 4 }, | |
497 | { 12000, 4 }, | |
498 | { 8000, 5 }, | |
499 | }; | |
500 | ||
501 | static int wm8961_hw_params(struct snd_pcm_substream *substream, | |
502 | struct snd_pcm_hw_params *params, | |
503 | struct snd_soc_dai *dai) | |
504 | { | |
ce8d1015 KM |
505 | struct snd_soc_component *component = dai->component; |
506 | struct wm8961_priv *wm8961 = snd_soc_component_get_drvdata(component); | |
74dc55ed MB |
507 | int i, best, target, fs; |
508 | u16 reg; | |
509 | ||
510 | fs = params_rate(params); | |
511 | ||
512 | if (!wm8961->sysclk) { | |
ce8d1015 | 513 | dev_err(component->dev, "MCLK has not been specified\n"); |
74dc55ed MB |
514 | return -EINVAL; |
515 | } | |
516 | ||
517 | /* Find the closest sample rate for the filters */ | |
518 | best = 0; | |
519 | for (i = 0; i < ARRAY_SIZE(wm8961_srate); i++) { | |
520 | if (abs(wm8961_srate[i].rate - fs) < | |
521 | abs(wm8961_srate[best].rate - fs)) | |
522 | best = i; | |
523 | } | |
ce8d1015 | 524 | reg = snd_soc_component_read32(component, WM8961_ADDITIONAL_CONTROL_3); |
74dc55ed MB |
525 | reg &= ~WM8961_SAMPLE_RATE_MASK; |
526 | reg |= wm8961_srate[best].val; | |
ce8d1015 KM |
527 | snd_soc_component_write(component, WM8961_ADDITIONAL_CONTROL_3, reg); |
528 | dev_dbg(component->dev, "Selected SRATE %dHz for %dHz\n", | |
74dc55ed MB |
529 | wm8961_srate[best].rate, fs); |
530 | ||
531 | /* Select a CLK_SYS/fs ratio equal to or higher than required */ | |
532 | target = wm8961->sysclk / fs; | |
533 | ||
534 | if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && target < 64) { | |
ce8d1015 | 535 | dev_err(component->dev, |
74dc55ed MB |
536 | "SYSCLK must be at least 64*fs for DAC\n"); |
537 | return -EINVAL; | |
538 | } | |
539 | if (substream->stream == SNDRV_PCM_STREAM_CAPTURE && target < 256) { | |
ce8d1015 | 540 | dev_err(component->dev, |
74dc55ed MB |
541 | "SYSCLK must be at least 256*fs for ADC\n"); |
542 | return -EINVAL; | |
543 | } | |
544 | ||
545 | for (i = 0; i < ARRAY_SIZE(wm8961_clk_sys_ratio); i++) { | |
546 | if (wm8961_clk_sys_ratio[i].ratio >= target) | |
547 | break; | |
548 | } | |
549 | if (i == ARRAY_SIZE(wm8961_clk_sys_ratio)) { | |
ce8d1015 | 550 | dev_err(component->dev, "Unable to generate CLK_SYS_RATE\n"); |
74dc55ed MB |
551 | return -EINVAL; |
552 | } | |
ce8d1015 | 553 | dev_dbg(component->dev, "Selected CLK_SYS_RATE of %d for %d/%d=%d\n", |
74dc55ed MB |
554 | wm8961_clk_sys_ratio[i].ratio, wm8961->sysclk, fs, |
555 | wm8961->sysclk / fs); | |
556 | ||
ce8d1015 | 557 | reg = snd_soc_component_read32(component, WM8961_CLOCKING_4); |
74dc55ed MB |
558 | reg &= ~WM8961_CLK_SYS_RATE_MASK; |
559 | reg |= wm8961_clk_sys_ratio[i].val << WM8961_CLK_SYS_RATE_SHIFT; | |
ce8d1015 | 560 | snd_soc_component_write(component, WM8961_CLOCKING_4, reg); |
74dc55ed | 561 | |
ce8d1015 | 562 | reg = snd_soc_component_read32(component, WM8961_AUDIO_INTERFACE_0); |
74dc55ed | 563 | reg &= ~WM8961_WL_MASK; |
5d3aef91 MB |
564 | switch (params_width(params)) { |
565 | case 16: | |
74dc55ed | 566 | break; |
5d3aef91 | 567 | case 20: |
74dc55ed MB |
568 | reg |= 1 << WM8961_WL_SHIFT; |
569 | break; | |
5d3aef91 | 570 | case 24: |
74dc55ed MB |
571 | reg |= 2 << WM8961_WL_SHIFT; |
572 | break; | |
5d3aef91 | 573 | case 32: |
74dc55ed MB |
574 | reg |= 3 << WM8961_WL_SHIFT; |
575 | break; | |
576 | default: | |
577 | return -EINVAL; | |
578 | } | |
ce8d1015 | 579 | snd_soc_component_write(component, WM8961_AUDIO_INTERFACE_0, reg); |
74dc55ed MB |
580 | |
581 | /* Sloping stop-band filter is recommended for <= 24kHz */ | |
ce8d1015 | 582 | reg = snd_soc_component_read32(component, WM8961_ADC_DAC_CONTROL_2); |
74dc55ed MB |
583 | if (fs <= 24000) |
584 | reg |= WM8961_DACSLOPE; | |
585 | else | |
08b1a384 | 586 | reg &= ~WM8961_DACSLOPE; |
ce8d1015 | 587 | snd_soc_component_write(component, WM8961_ADC_DAC_CONTROL_2, reg); |
74dc55ed MB |
588 | |
589 | return 0; | |
590 | } | |
591 | ||
592 | static int wm8961_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
593 | unsigned int freq, | |
594 | int dir) | |
595 | { | |
ce8d1015 KM |
596 | struct snd_soc_component *component = dai->component; |
597 | struct wm8961_priv *wm8961 = snd_soc_component_get_drvdata(component); | |
598 | u16 reg = snd_soc_component_read32(component, WM8961_CLOCKING1); | |
74dc55ed MB |
599 | |
600 | if (freq > 33000000) { | |
ce8d1015 | 601 | dev_err(component->dev, "MCLK must be <33MHz\n"); |
74dc55ed MB |
602 | return -EINVAL; |
603 | } | |
604 | ||
605 | if (freq > 16500000) { | |
ce8d1015 | 606 | dev_dbg(component->dev, "Using MCLK/2 for %dHz MCLK\n", freq); |
74dc55ed MB |
607 | reg |= WM8961_MCLKDIV; |
608 | freq /= 2; | |
609 | } else { | |
ce8d1015 | 610 | dev_dbg(component->dev, "Using MCLK/1 for %dHz MCLK\n", freq); |
2f7dceed | 611 | reg &= ~WM8961_MCLKDIV; |
74dc55ed MB |
612 | } |
613 | ||
ce8d1015 | 614 | snd_soc_component_write(component, WM8961_CLOCKING1, reg); |
74dc55ed MB |
615 | |
616 | wm8961->sysclk = freq; | |
617 | ||
618 | return 0; | |
619 | } | |
620 | ||
621 | static int wm8961_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
622 | { | |
ce8d1015 KM |
623 | struct snd_soc_component *component = dai->component; |
624 | u16 aif = snd_soc_component_read32(component, WM8961_AUDIO_INTERFACE_0); | |
74dc55ed MB |
625 | |
626 | aif &= ~(WM8961_BCLKINV | WM8961_LRP | | |
627 | WM8961_MS | WM8961_FORMAT_MASK); | |
628 | ||
629 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
630 | case SND_SOC_DAIFMT_CBM_CFM: | |
631 | aif |= WM8961_MS; | |
632 | break; | |
633 | case SND_SOC_DAIFMT_CBS_CFS: | |
634 | break; | |
635 | default: | |
636 | return -EINVAL; | |
637 | } | |
638 | ||
639 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
640 | case SND_SOC_DAIFMT_RIGHT_J: | |
641 | break; | |
642 | ||
643 | case SND_SOC_DAIFMT_LEFT_J: | |
644 | aif |= 1; | |
645 | break; | |
646 | ||
647 | case SND_SOC_DAIFMT_I2S: | |
648 | aif |= 2; | |
649 | break; | |
650 | ||
651 | case SND_SOC_DAIFMT_DSP_B: | |
652 | aif |= WM8961_LRP; | |
9a73f6a2 | 653 | /* fall through */ |
74dc55ed MB |
654 | case SND_SOC_DAIFMT_DSP_A: |
655 | aif |= 3; | |
656 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
657 | case SND_SOC_DAIFMT_NB_NF: | |
658 | case SND_SOC_DAIFMT_IB_NF: | |
659 | break; | |
660 | default: | |
661 | return -EINVAL; | |
662 | } | |
663 | break; | |
664 | ||
665 | default: | |
666 | return -EINVAL; | |
667 | } | |
668 | ||
669 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
670 | case SND_SOC_DAIFMT_NB_NF: | |
671 | break; | |
672 | case SND_SOC_DAIFMT_NB_IF: | |
673 | aif |= WM8961_LRP; | |
674 | break; | |
675 | case SND_SOC_DAIFMT_IB_NF: | |
676 | aif |= WM8961_BCLKINV; | |
677 | break; | |
678 | case SND_SOC_DAIFMT_IB_IF: | |
679 | aif |= WM8961_BCLKINV | WM8961_LRP; | |
680 | break; | |
681 | default: | |
682 | return -EINVAL; | |
683 | } | |
684 | ||
ce8d1015 | 685 | return snd_soc_component_write(component, WM8961_AUDIO_INTERFACE_0, aif); |
74dc55ed MB |
686 | } |
687 | ||
688 | static int wm8961_set_tristate(struct snd_soc_dai *dai, int tristate) | |
689 | { | |
ce8d1015 KM |
690 | struct snd_soc_component *component = dai->component; |
691 | u16 reg = snd_soc_component_read32(component, WM8961_ADDITIONAL_CONTROL_2); | |
74dc55ed MB |
692 | |
693 | if (tristate) | |
694 | reg |= WM8961_TRIS; | |
695 | else | |
696 | reg &= ~WM8961_TRIS; | |
697 | ||
ce8d1015 | 698 | return snd_soc_component_write(component, WM8961_ADDITIONAL_CONTROL_2, reg); |
74dc55ed MB |
699 | } |
700 | ||
701 | static int wm8961_digital_mute(struct snd_soc_dai *dai, int mute) | |
702 | { | |
ce8d1015 KM |
703 | struct snd_soc_component *component = dai->component; |
704 | u16 reg = snd_soc_component_read32(component, WM8961_ADC_DAC_CONTROL_1); | |
74dc55ed MB |
705 | |
706 | if (mute) | |
707 | reg |= WM8961_DACMU; | |
708 | else | |
709 | reg &= ~WM8961_DACMU; | |
710 | ||
711 | msleep(17); | |
712 | ||
ce8d1015 | 713 | return snd_soc_component_write(component, WM8961_ADC_DAC_CONTROL_1, reg); |
74dc55ed MB |
714 | } |
715 | ||
716 | static int wm8961_set_clkdiv(struct snd_soc_dai *dai, int div_id, int div) | |
717 | { | |
ce8d1015 | 718 | struct snd_soc_component *component = dai->component; |
74dc55ed MB |
719 | u16 reg; |
720 | ||
721 | switch (div_id) { | |
722 | case WM8961_BCLK: | |
ce8d1015 | 723 | reg = snd_soc_component_read32(component, WM8961_CLOCKING2); |
74dc55ed MB |
724 | reg &= ~WM8961_BCLKDIV_MASK; |
725 | reg |= div; | |
ce8d1015 | 726 | snd_soc_component_write(component, WM8961_CLOCKING2, reg); |
74dc55ed MB |
727 | break; |
728 | ||
729 | case WM8961_LRCLK: | |
ce8d1015 | 730 | reg = snd_soc_component_read32(component, WM8961_AUDIO_INTERFACE_2); |
74dc55ed MB |
731 | reg &= ~WM8961_LRCLK_RATE_MASK; |
732 | reg |= div; | |
ce8d1015 | 733 | snd_soc_component_write(component, WM8961_AUDIO_INTERFACE_2, reg); |
74dc55ed MB |
734 | break; |
735 | ||
736 | default: | |
737 | return -EINVAL; | |
738 | } | |
739 | ||
740 | return 0; | |
741 | } | |
742 | ||
ce8d1015 | 743 | static int wm8961_set_bias_level(struct snd_soc_component *component, |
74dc55ed MB |
744 | enum snd_soc_bias_level level) |
745 | { | |
746 | u16 reg; | |
747 | ||
748 | /* This is all slightly unusual since we have no bypass paths | |
749 | * and the output amplifier structure means we can just slam | |
750 | * the biases straight up rather than having to ramp them | |
751 | * slowly. | |
752 | */ | |
753 | switch (level) { | |
754 | case SND_SOC_BIAS_ON: | |
755 | break; | |
756 | ||
757 | case SND_SOC_BIAS_PREPARE: | |
ce8d1015 | 758 | if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) { |
74dc55ed | 759 | /* Enable bias generation */ |
ce8d1015 | 760 | reg = snd_soc_component_read32(component, WM8961_ANTI_POP); |
74dc55ed | 761 | reg |= WM8961_BUFIOEN | WM8961_BUFDCOPEN; |
ce8d1015 | 762 | snd_soc_component_write(component, WM8961_ANTI_POP, reg); |
74dc55ed MB |
763 | |
764 | /* VMID=2*50k, VREF */ | |
ce8d1015 | 765 | reg = snd_soc_component_read32(component, WM8961_PWR_MGMT_1); |
74dc55ed MB |
766 | reg &= ~WM8961_VMIDSEL_MASK; |
767 | reg |= (1 << WM8961_VMIDSEL_SHIFT) | WM8961_VREF; | |
ce8d1015 | 768 | snd_soc_component_write(component, WM8961_PWR_MGMT_1, reg); |
74dc55ed MB |
769 | } |
770 | break; | |
771 | ||
772 | case SND_SOC_BIAS_STANDBY: | |
ce8d1015 | 773 | if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE) { |
74dc55ed | 774 | /* VREF off */ |
ce8d1015 | 775 | reg = snd_soc_component_read32(component, WM8961_PWR_MGMT_1); |
74dc55ed | 776 | reg &= ~WM8961_VREF; |
ce8d1015 | 777 | snd_soc_component_write(component, WM8961_PWR_MGMT_1, reg); |
74dc55ed MB |
778 | |
779 | /* Bias generation off */ | |
ce8d1015 | 780 | reg = snd_soc_component_read32(component, WM8961_ANTI_POP); |
74dc55ed | 781 | reg &= ~(WM8961_BUFIOEN | WM8961_BUFDCOPEN); |
ce8d1015 | 782 | snd_soc_component_write(component, WM8961_ANTI_POP, reg); |
74dc55ed MB |
783 | |
784 | /* VMID off */ | |
ce8d1015 | 785 | reg = snd_soc_component_read32(component, WM8961_PWR_MGMT_1); |
74dc55ed | 786 | reg &= ~WM8961_VMIDSEL_MASK; |
ce8d1015 | 787 | snd_soc_component_write(component, WM8961_PWR_MGMT_1, reg); |
74dc55ed MB |
788 | } |
789 | break; | |
790 | ||
791 | case SND_SOC_BIAS_OFF: | |
792 | break; | |
793 | } | |
794 | ||
74dc55ed MB |
795 | return 0; |
796 | } | |
797 | ||
798 | ||
799 | #define WM8961_RATES SNDRV_PCM_RATE_8000_48000 | |
800 | ||
801 | #define WM8961_FORMATS \ | |
802 | (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ | |
803 | SNDRV_PCM_FMTBIT_S24_LE) | |
804 | ||
85e7652d | 805 | static const struct snd_soc_dai_ops wm8961_dai_ops = { |
74dc55ed MB |
806 | .hw_params = wm8961_hw_params, |
807 | .set_sysclk = wm8961_set_sysclk, | |
808 | .set_fmt = wm8961_set_fmt, | |
809 | .digital_mute = wm8961_digital_mute, | |
810 | .set_tristate = wm8961_set_tristate, | |
811 | .set_clkdiv = wm8961_set_clkdiv, | |
812 | }; | |
813 | ||
f0fba2ad LG |
814 | static struct snd_soc_dai_driver wm8961_dai = { |
815 | .name = "wm8961-hifi", | |
74dc55ed MB |
816 | .playback = { |
817 | .stream_name = "HiFi Playback", | |
818 | .channels_min = 1, | |
819 | .channels_max = 2, | |
820 | .rates = WM8961_RATES, | |
821 | .formats = WM8961_FORMATS,}, | |
822 | .capture = { | |
823 | .stream_name = "HiFi Capture", | |
824 | .channels_min = 1, | |
825 | .channels_max = 2, | |
826 | .rates = WM8961_RATES, | |
827 | .formats = WM8961_FORMATS,}, | |
828 | .ops = &wm8961_dai_ops, | |
829 | }; | |
74dc55ed | 830 | |
ce8d1015 | 831 | static int wm8961_probe(struct snd_soc_component *component) |
74dc55ed | 832 | { |
74dc55ed MB |
833 | u16 reg; |
834 | ||
74dc55ed | 835 | /* Enable class W */ |
ce8d1015 | 836 | reg = snd_soc_component_read32(component, WM8961_CHARGE_PUMP_B); |
74dc55ed | 837 | reg |= WM8961_CP_DYN_PWR_MASK; |
ce8d1015 | 838 | snd_soc_component_write(component, WM8961_CHARGE_PUMP_B, reg); |
74dc55ed MB |
839 | |
840 | /* Latch volume update bits (right channel only, we always | |
841 | * write both out) and default ZC on. */ | |
ce8d1015 KM |
842 | reg = snd_soc_component_read32(component, WM8961_ROUT1_VOLUME); |
843 | snd_soc_component_write(component, WM8961_ROUT1_VOLUME, | |
74dc55ed | 844 | reg | WM8961_LO1ZC | WM8961_OUT1VU); |
ce8d1015 KM |
845 | snd_soc_component_write(component, WM8961_LOUT1_VOLUME, reg | WM8961_LO1ZC); |
846 | reg = snd_soc_component_read32(component, WM8961_ROUT2_VOLUME); | |
847 | snd_soc_component_write(component, WM8961_ROUT2_VOLUME, | |
74dc55ed | 848 | reg | WM8961_SPKRZC | WM8961_SPKVU); |
ce8d1015 | 849 | snd_soc_component_write(component, WM8961_LOUT2_VOLUME, reg | WM8961_SPKLZC); |
74dc55ed | 850 | |
ce8d1015 KM |
851 | reg = snd_soc_component_read32(component, WM8961_RIGHT_ADC_VOLUME); |
852 | snd_soc_component_write(component, WM8961_RIGHT_ADC_VOLUME, reg | WM8961_ADCVU); | |
853 | reg = snd_soc_component_read32(component, WM8961_RIGHT_INPUT_VOLUME); | |
854 | snd_soc_component_write(component, WM8961_RIGHT_INPUT_VOLUME, reg | WM8961_IPVU); | |
74dc55ed MB |
855 | |
856 | /* Use soft mute by default */ | |
ce8d1015 | 857 | reg = snd_soc_component_read32(component, WM8961_ADC_DAC_CONTROL_2); |
74dc55ed | 858 | reg |= WM8961_DACSMM; |
ce8d1015 | 859 | snd_soc_component_write(component, WM8961_ADC_DAC_CONTROL_2, reg); |
74dc55ed MB |
860 | |
861 | /* Use automatic clocking mode by default; for now this is all | |
862 | * we support. | |
863 | */ | |
ce8d1015 | 864 | reg = snd_soc_component_read32(component, WM8961_CLOCKING_3); |
74dc55ed | 865 | reg &= ~WM8961_MANUAL_MODE; |
ce8d1015 | 866 | snd_soc_component_write(component, WM8961_CLOCKING_3, reg); |
74dc55ed | 867 | |
f0fba2ad LG |
868 | return 0; |
869 | } | |
74dc55ed | 870 | |
f0fba2ad | 871 | #ifdef CONFIG_PM |
74dc55ed | 872 | |
ce8d1015 | 873 | static int wm8961_resume(struct snd_soc_component *component) |
74dc55ed | 874 | { |
ce8d1015 | 875 | snd_soc_component_cache_sync(component); |
f0fba2ad | 876 | |
f0fba2ad | 877 | return 0; |
74dc55ed | 878 | } |
f0fba2ad | 879 | #else |
f0fba2ad LG |
880 | #define wm8961_resume NULL |
881 | #endif | |
74dc55ed | 882 | |
ce8d1015 KM |
883 | static const struct snd_soc_component_driver soc_component_dev_wm8961 = { |
884 | .probe = wm8961_probe, | |
885 | .resume = wm8961_resume, | |
886 | .set_bias_level = wm8961_set_bias_level, | |
887 | .controls = wm8961_snd_controls, | |
888 | .num_controls = ARRAY_SIZE(wm8961_snd_controls), | |
889 | .dapm_widgets = wm8961_dapm_widgets, | |
890 | .num_dapm_widgets = ARRAY_SIZE(wm8961_dapm_widgets), | |
891 | .dapm_routes = audio_paths, | |
892 | .num_dapm_routes = ARRAY_SIZE(audio_paths), | |
893 | .suspend_bias_off = 1, | |
894 | .idle_bias_on = 1, | |
895 | .use_pmdown_time = 1, | |
896 | .endianness = 1, | |
897 | .non_legacy_dai_naming = 1, | |
35ecf7cd MB |
898 | }; |
899 | ||
900 | static const struct regmap_config wm8961_regmap = { | |
901 | .reg_bits = 8, | |
902 | .val_bits = 16, | |
903 | .max_register = WM8961_MAX_REGISTER, | |
904 | ||
905 | .reg_defaults = wm8961_reg_defaults, | |
906 | .num_reg_defaults = ARRAY_SIZE(wm8961_reg_defaults), | |
907 | .cache_type = REGCACHE_RBTREE, | |
908 | ||
909 | .volatile_reg = wm8961_volatile, | |
910 | .readable_reg = wm8961_readable, | |
f0fba2ad LG |
911 | }; |
912 | ||
7a79e94e BP |
913 | static int wm8961_i2c_probe(struct i2c_client *i2c, |
914 | const struct i2c_device_id *id) | |
74dc55ed MB |
915 | { |
916 | struct wm8961_priv *wm8961; | |
b306e84f | 917 | unsigned int val; |
f0fba2ad | 918 | int ret; |
74dc55ed | 919 | |
2ec2a906 MB |
920 | wm8961 = devm_kzalloc(&i2c->dev, sizeof(struct wm8961_priv), |
921 | GFP_KERNEL); | |
74dc55ed MB |
922 | if (wm8961 == NULL) |
923 | return -ENOMEM; | |
924 | ||
35ecf7cd MB |
925 | wm8961->regmap = devm_regmap_init_i2c(i2c, &wm8961_regmap); |
926 | if (IS_ERR(wm8961->regmap)) | |
927 | return PTR_ERR(wm8961->regmap); | |
928 | ||
b306e84f MB |
929 | ret = regmap_read(wm8961->regmap, WM8961_SOFTWARE_RESET, &val); |
930 | if (ret != 0) { | |
931 | dev_err(&i2c->dev, "Failed to read chip ID: %d\n", ret); | |
932 | return ret; | |
933 | } | |
934 | ||
935 | if (val != 0x1801) { | |
936 | dev_err(&i2c->dev, "Device is not a WM8961: ID=0x%x\n", val); | |
937 | return -EINVAL; | |
938 | } | |
939 | ||
940 | /* This isn't volatile - readback doesn't correspond to write */ | |
941 | regcache_cache_bypass(wm8961->regmap, true); | |
942 | ret = regmap_read(wm8961->regmap, WM8961_RIGHT_INPUT_VOLUME, &val); | |
943 | regcache_cache_bypass(wm8961->regmap, false); | |
944 | ||
945 | if (ret != 0) { | |
946 | dev_err(&i2c->dev, "Failed to read chip revision: %d\n", ret); | |
947 | return ret; | |
948 | } | |
949 | ||
950 | dev_info(&i2c->dev, "WM8961 family %d revision %c\n", | |
951 | (val & WM8961_DEVICE_ID_MASK) >> WM8961_DEVICE_ID_SHIFT, | |
952 | ((val & WM8961_CHIP_REV_MASK) >> WM8961_CHIP_REV_SHIFT) | |
953 | + 'A'); | |
954 | ||
955 | ret = regmap_write(wm8961->regmap, WM8961_SOFTWARE_RESET, 0x1801); | |
956 | if (ret != 0) { | |
957 | dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret); | |
958 | return ret; | |
959 | } | |
960 | ||
74dc55ed | 961 | i2c_set_clientdata(i2c, wm8961); |
74dc55ed | 962 | |
ce8d1015 KM |
963 | ret = devm_snd_soc_register_component(&i2c->dev, |
964 | &soc_component_dev_wm8961, &wm8961_dai, 1); | |
2ec2a906 | 965 | |
f0fba2ad | 966 | return ret; |
74dc55ed MB |
967 | } |
968 | ||
74dc55ed MB |
969 | static const struct i2c_device_id wm8961_i2c_id[] = { |
970 | { "wm8961", 0 }, | |
971 | { } | |
972 | }; | |
973 | MODULE_DEVICE_TABLE(i2c, wm8961_i2c_id); | |
974 | ||
975 | static struct i2c_driver wm8961_i2c_driver = { | |
976 | .driver = { | |
091edccf | 977 | .name = "wm8961", |
74dc55ed MB |
978 | }, |
979 | .probe = wm8961_i2c_probe, | |
74dc55ed MB |
980 | .id_table = wm8961_i2c_id, |
981 | }; | |
982 | ||
8b08eb28 | 983 | module_i2c_driver(wm8961_i2c_driver); |
74dc55ed | 984 | |
74dc55ed MB |
985 | MODULE_DESCRIPTION("ASoC WM8961 driver"); |
986 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
987 | MODULE_LICENSE("GPL"); |