1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * ALSA SoC WM9090 driver |
4 | * |
5 | * Copyright 2009-12 Wolfson Microelectronics |
6 | * |
7 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> |
8 | */ |
9 | |
10 | #include <linux/module.h> |
11 | #include <linux/errno.h> |
12 | #include <linux/device.h> |
13 | #include <linux/i2c.h> |
14 | #include <linux/delay.h> |
15 | #include <linux/regmap.h> |
16 | #include <linux/slab.h> |
17 | #include <sound/initval.h> |
18 | #include <sound/soc.h> |
19 | #include <sound/tlv.h> |
20 | #include <sound/wm9090.h> |
21 | |
22 | #include "wm9090.h" |
23 | |
24 | static const struct reg_default wm9090_reg_defaults[] = { |
25 | { 1, 0x0006 }, /* R1 - Power Management (1) */ |
26 | { 2, 0x6000 }, /* R2 - Power Management (2) */ |
27 | { 3, 0x0000 }, /* R3 - Power Management (3) */ |
28 | { 6, 0x01C0 }, /* R6 - Clocking 1 */ |
29 | { 22, 0x0003 }, /* R22 - IN1 Line Control */ |
30 | { 23, 0x0003 }, /* R23 - IN2 Line Control */ |
31 | { 24, 0x0083 }, /* R24 - IN1 Line Input A Volume */ |
32 | { 25, 0x0083 }, /* R25 - IN1 Line Input B Volume */ |
33 | { 26, 0x0083 }, /* R26 - IN2 Line Input A Volume */ |
34 | { 27, 0x0083 }, /* R27 - IN2 Line Input B Volume */ |
35 | { 28, 0x002D }, /* R28 - Left Output Volume */ |
36 | { 29, 0x002D }, /* R29 - Right Output Volume */ |
37 | { 34, 0x0100 }, /* R34 - SPKMIXL Attenuation */ |
38 | { 35, 0x0010 }, /* R36 - SPKOUT Mixers */ |
39 | { 37, 0x0140 }, /* R37 - ClassD3 */ |
40 | { 38, 0x0039 }, /* R38 - Speaker Volume Left */ |
41 | { 45, 0x0000 }, /* R45 - Output Mixer1 */ |
42 | { 46, 0x0000 }, /* R46 - Output Mixer2 */ |
43 | { 47, 0x0100 }, /* R47 - Output Mixer3 */ |
44 | { 48, 0x0100 }, /* R48 - Output Mixer4 */ |
45 | { 54, 0x0000 }, /* R54 - Speaker Mixer */ |
46 | { 57, 0x000D }, /* R57 - AntiPOP2 */ |
47 | { 70, 0x0000 }, /* R70 - Write Sequencer 0 */ |
48 | { 71, 0x0000 }, /* R71 - Write Sequencer 1 */ |
49 | { 72, 0x0000 }, /* R72 - Write Sequencer 2 */ |
50 | { 73, 0x0000 }, /* R73 - Write Sequencer 3 */ |
51 | { 74, 0x0000 }, /* R74 - Write Sequencer 4 */ |
52 | { 75, 0x0000 }, /* R75 - Write Sequencer 5 */ |
53 | { 76, 0x1F25 }, /* R76 - Charge Pump 1 */ |
54 | { 85, 0x054A }, /* R85 - DC Servo 1 */ |
55 | { 87, 0x0000 }, /* R87 - DC Servo 3 */ |
56 | { 96, 0x0100 }, /* R96 - Analogue HP 0 */ |
57 | { 98, 0x8640 }, /* R98 - AGC Control 0 */ |
58 | { 99, 0xC000 }, /* R99 - AGC Control 1 */ |
59 | { 100, 0x0200 }, /* R100 - AGC Control 2 */ |
60 | }; |
61 | |
62 | /* This struct is used to save the context */ |
63 | struct wm9090_priv { |
64 | struct wm9090_platform_data pdata; |
65 | struct regmap *regmap; |
66 | }; |
67 | |
68 | static bool wm9090_volatile(struct device *dev, unsigned int reg) |
69 | { |
70 | switch (reg) { |
71 | case WM9090_SOFTWARE_RESET: |
72 | case WM9090_DC_SERVO_0: |
73 | case WM9090_DC_SERVO_READBACK_0: |
74 | case WM9090_DC_SERVO_READBACK_1: |
75 | case WM9090_DC_SERVO_READBACK_2: |
76 | return true; |
77 | |
78 | default: |
79 | return false; |
80 | } |
81 | } |
82 | |
83 | static bool wm9090_readable(struct device *dev, unsigned int reg) |
84 | { |
85 | switch (reg) { |
86 | case WM9090_SOFTWARE_RESET: |
87 | case WM9090_POWER_MANAGEMENT_1: |
88 | case WM9090_POWER_MANAGEMENT_2: |
89 | case WM9090_POWER_MANAGEMENT_3: |
90 | case WM9090_CLOCKING_1: |
91 | case WM9090_IN1_LINE_CONTROL: |
92 | case WM9090_IN2_LINE_CONTROL: |
93 | case WM9090_IN1_LINE_INPUT_A_VOLUME: |
94 | case WM9090_IN1_LINE_INPUT_B_VOLUME: |
95 | case WM9090_IN2_LINE_INPUT_A_VOLUME: |
96 | case WM9090_IN2_LINE_INPUT_B_VOLUME: |
97 | case WM9090_LEFT_OUTPUT_VOLUME: |
98 | case WM9090_RIGHT_OUTPUT_VOLUME: |
99 | case WM9090_SPKMIXL_ATTENUATION: |
100 | case WM9090_SPKOUT_MIXERS: |
101 | case WM9090_CLASSD3: |
102 | case WM9090_SPEAKER_VOLUME_LEFT: |
103 | case WM9090_OUTPUT_MIXER1: |
104 | case WM9090_OUTPUT_MIXER2: |
105 | case WM9090_OUTPUT_MIXER3: |
106 | case WM9090_OUTPUT_MIXER4: |
107 | case WM9090_SPEAKER_MIXER: |
108 | case WM9090_ANTIPOP2: |
109 | case WM9090_WRITE_SEQUENCER_0: |
110 | case WM9090_WRITE_SEQUENCER_1: |
111 | case WM9090_WRITE_SEQUENCER_2: |
112 | case WM9090_WRITE_SEQUENCER_3: |
113 | case WM9090_WRITE_SEQUENCER_4: |
114 | case WM9090_WRITE_SEQUENCER_5: |
115 | case WM9090_CHARGE_PUMP_1: |
116 | case WM9090_DC_SERVO_0: |
117 | case WM9090_DC_SERVO_1: |
118 | case WM9090_DC_SERVO_3: |
119 | case WM9090_DC_SERVO_READBACK_0: |
120 | case WM9090_DC_SERVO_READBACK_1: |
121 | case WM9090_DC_SERVO_READBACK_2: |
122 | case WM9090_ANALOGUE_HP_0: |
123 | case WM9090_AGC_CONTROL_0: |
124 | case WM9090_AGC_CONTROL_1: |
125 | case WM9090_AGC_CONTROL_2: |
126 | return true; |
127 | |
128 | default: |
129 | return false; |
130 | } |
131 | } |
132 | |
133 | static void wait_for_dc_servo(struct snd_soc_component *component) |
134 | { |
135 | unsigned int reg; |
136 | int count = 0; |
137 | |
138 | dev_dbg(component->dev, "Waiting for DC servo...\n" ); |
139 | do { |
140 | count++; |
141 | msleep(msecs: 1); |
142 | reg = snd_soc_component_read(component, WM9090_DC_SERVO_READBACK_0); |
143 | dev_dbg(component->dev, "DC servo status: %x\n" , reg); |
144 | } while ((reg & WM9090_DCS_CAL_COMPLETE_MASK) |
145 | != WM9090_DCS_CAL_COMPLETE_MASK && count < 1000); |
146 | |
147 | if ((reg & WM9090_DCS_CAL_COMPLETE_MASK) |
148 | != WM9090_DCS_CAL_COMPLETE_MASK) |
149 | dev_err(component->dev, "Timed out waiting for DC Servo\n" ); |
150 | } |
151 | |
152 | static const DECLARE_TLV_DB_RANGE(in_tlv, |
153 | 0, 0, TLV_DB_SCALE_ITEM(-600, 0, 0), |
154 | 1, 3, TLV_DB_SCALE_ITEM(-350, 350, 0), |
155 | 4, 6, TLV_DB_SCALE_ITEM(600, 600, 0) |
156 | ); |
157 | static const DECLARE_TLV_DB_RANGE(mix_tlv, |
158 | 0, 2, TLV_DB_SCALE_ITEM(-1200, 300, 0), |
159 | 3, 3, TLV_DB_SCALE_ITEM(0, 0, 0) |
160 | ); |
161 | static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); |
162 | static const DECLARE_TLV_DB_RANGE(spkboost_tlv, |
163 | 0, 6, TLV_DB_SCALE_ITEM(0, 150, 0), |
164 | 7, 7, TLV_DB_SCALE_ITEM(1200, 0, 0) |
165 | ); |
166 | |
167 | static const struct snd_kcontrol_new wm9090_controls[] = { |
168 | SOC_SINGLE_TLV("IN1A Volume" , WM9090_IN1_LINE_INPUT_A_VOLUME, 0, 6, 0, |
169 | in_tlv), |
170 | SOC_SINGLE("IN1A Switch" , WM9090_IN1_LINE_INPUT_A_VOLUME, 7, 1, 1), |
171 | SOC_SINGLE("IN1A ZC Switch" , WM9090_IN1_LINE_INPUT_A_VOLUME, 6, 1, 0), |
172 | |
173 | SOC_SINGLE_TLV("IN2A Volume" , WM9090_IN2_LINE_INPUT_A_VOLUME, 0, 6, 0, |
174 | in_tlv), |
175 | SOC_SINGLE("IN2A Switch" , WM9090_IN2_LINE_INPUT_A_VOLUME, 7, 1, 1), |
176 | SOC_SINGLE("IN2A ZC Switch" , WM9090_IN2_LINE_INPUT_A_VOLUME, 6, 1, 0), |
177 | |
178 | SOC_SINGLE("MIXOUTL Switch" , WM9090_OUTPUT_MIXER3, 8, 1, 1), |
179 | SOC_SINGLE_TLV("MIXOUTL IN1A Volume" , WM9090_OUTPUT_MIXER3, 6, 3, 1, |
180 | mix_tlv), |
181 | SOC_SINGLE_TLV("MIXOUTL IN2A Volume" , WM9090_OUTPUT_MIXER3, 2, 3, 1, |
182 | mix_tlv), |
183 | |
184 | SOC_SINGLE("MIXOUTR Switch" , WM9090_OUTPUT_MIXER4, 8, 1, 1), |
185 | SOC_SINGLE_TLV("MIXOUTR IN1A Volume" , WM9090_OUTPUT_MIXER4, 6, 3, 1, |
186 | mix_tlv), |
187 | SOC_SINGLE_TLV("MIXOUTR IN2A Volume" , WM9090_OUTPUT_MIXER4, 2, 3, 1, |
188 | mix_tlv), |
189 | |
190 | SOC_SINGLE("SPKMIX Switch" , WM9090_SPKMIXL_ATTENUATION, 8, 1, 1), |
191 | SOC_SINGLE_TLV("SPKMIX IN1A Volume" , WM9090_SPKMIXL_ATTENUATION, 6, 3, 1, |
192 | mix_tlv), |
193 | SOC_SINGLE_TLV("SPKMIX IN2A Volume" , WM9090_SPKMIXL_ATTENUATION, 2, 3, 1, |
194 | mix_tlv), |
195 | |
196 | SOC_DOUBLE_R_TLV("Headphone Volume" , WM9090_LEFT_OUTPUT_VOLUME, |
197 | WM9090_RIGHT_OUTPUT_VOLUME, 0, 63, 0, out_tlv), |
198 | SOC_DOUBLE_R("Headphone Switch" , WM9090_LEFT_OUTPUT_VOLUME, |
199 | WM9090_RIGHT_OUTPUT_VOLUME, 6, 1, 1), |
200 | SOC_DOUBLE_R("Headphone ZC Switch" , WM9090_LEFT_OUTPUT_VOLUME, |
201 | WM9090_RIGHT_OUTPUT_VOLUME, 7, 1, 0), |
202 | |
203 | SOC_SINGLE_TLV("Speaker Volume" , WM9090_SPEAKER_VOLUME_LEFT, 0, 63, 0, |
204 | out_tlv), |
205 | SOC_SINGLE("Speaker Switch" , WM9090_SPEAKER_VOLUME_LEFT, 6, 1, 1), |
206 | SOC_SINGLE("Speaker ZC Switch" , WM9090_SPEAKER_VOLUME_LEFT, 7, 1, 0), |
207 | SOC_SINGLE_TLV("Speaker Boost Volume" , WM9090_CLASSD3, 3, 7, 0, spkboost_tlv), |
208 | }; |
209 | |
210 | static const struct snd_kcontrol_new wm9090_in1_se_controls[] = { |
211 | SOC_SINGLE_TLV("IN1B Volume" , WM9090_IN1_LINE_INPUT_B_VOLUME, 0, 6, 0, |
212 | in_tlv), |
213 | SOC_SINGLE("IN1B Switch" , WM9090_IN1_LINE_INPUT_B_VOLUME, 7, 1, 1), |
214 | SOC_SINGLE("IN1B ZC Switch" , WM9090_IN1_LINE_INPUT_B_VOLUME, 6, 1, 0), |
215 | |
216 | SOC_SINGLE_TLV("SPKMIX IN1B Volume" , WM9090_SPKMIXL_ATTENUATION, 4, 3, 1, |
217 | mix_tlv), |
218 | SOC_SINGLE_TLV("MIXOUTL IN1B Volume" , WM9090_OUTPUT_MIXER3, 4, 3, 1, |
219 | mix_tlv), |
220 | SOC_SINGLE_TLV("MIXOUTR IN1B Volume" , WM9090_OUTPUT_MIXER4, 4, 3, 1, |
221 | mix_tlv), |
222 | }; |
223 | |
224 | static const struct snd_kcontrol_new wm9090_in2_se_controls[] = { |
225 | SOC_SINGLE_TLV("IN2B Volume" , WM9090_IN2_LINE_INPUT_B_VOLUME, 0, 6, 0, |
226 | in_tlv), |
227 | SOC_SINGLE("IN2B Switch" , WM9090_IN2_LINE_INPUT_B_VOLUME, 7, 1, 1), |
228 | SOC_SINGLE("IN2B ZC Switch" , WM9090_IN2_LINE_INPUT_B_VOLUME, 6, 1, 0), |
229 | |
230 | SOC_SINGLE_TLV("SPKMIX IN2B Volume" , WM9090_SPKMIXL_ATTENUATION, 0, 3, 1, |
231 | mix_tlv), |
232 | SOC_SINGLE_TLV("MIXOUTL IN2B Volume" , WM9090_OUTPUT_MIXER3, 0, 3, 1, |
233 | mix_tlv), |
234 | SOC_SINGLE_TLV("MIXOUTR IN2B Volume" , WM9090_OUTPUT_MIXER4, 0, 3, 1, |
235 | mix_tlv), |
236 | }; |
237 | |
238 | static int hp_ev(struct snd_soc_dapm_widget *w, |
239 | struct snd_kcontrol *kcontrol, int event) |
240 | { |
241 | struct snd_soc_component *component = snd_soc_dapm_to_component(dapm: w->dapm); |
242 | unsigned int reg = snd_soc_component_read(component, WM9090_ANALOGUE_HP_0); |
243 | |
244 | switch (event) { |
245 | case SND_SOC_DAPM_POST_PMU: |
246 | snd_soc_component_update_bits(component, WM9090_CHARGE_PUMP_1, |
247 | WM9090_CP_ENA, WM9090_CP_ENA); |
248 | |
249 | msleep(msecs: 5); |
250 | |
251 | snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1, |
252 | WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA, |
253 | WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA); |
254 | |
255 | reg |= WM9090_HPOUT1L_DLY | WM9090_HPOUT1R_DLY; |
256 | snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, val: reg); |
257 | |
258 | /* Start the DC servo. We don't currently use the |
259 | * ability to save the state since we don't have full |
260 | * control of the analogue paths and they can change |
261 | * DC offsets; see the WM8904 driver for an example of |
262 | * doing so. |
263 | */ |
264 | snd_soc_component_write(component, WM9090_DC_SERVO_0, |
265 | WM9090_DCS_ENA_CHAN_0 | |
266 | WM9090_DCS_ENA_CHAN_1 | |
267 | WM9090_DCS_TRIG_STARTUP_1 | |
268 | WM9090_DCS_TRIG_STARTUP_0); |
269 | wait_for_dc_servo(component); |
270 | |
271 | reg |= WM9090_HPOUT1R_OUTP | WM9090_HPOUT1R_RMV_SHORT | |
272 | WM9090_HPOUT1L_OUTP | WM9090_HPOUT1L_RMV_SHORT; |
273 | snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, val: reg); |
274 | break; |
275 | |
276 | case SND_SOC_DAPM_PRE_PMD: |
277 | reg &= ~(WM9090_HPOUT1L_RMV_SHORT | |
278 | WM9090_HPOUT1L_DLY | |
279 | WM9090_HPOUT1L_OUTP | |
280 | WM9090_HPOUT1R_RMV_SHORT | |
281 | WM9090_HPOUT1R_DLY | |
282 | WM9090_HPOUT1R_OUTP); |
283 | |
284 | snd_soc_component_write(component, WM9090_ANALOGUE_HP_0, val: reg); |
285 | |
286 | snd_soc_component_write(component, WM9090_DC_SERVO_0, val: 0); |
287 | |
288 | snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1, |
289 | WM9090_HPOUT1L_ENA | WM9090_HPOUT1R_ENA, |
290 | val: 0); |
291 | |
292 | snd_soc_component_update_bits(component, WM9090_CHARGE_PUMP_1, |
293 | WM9090_CP_ENA, val: 0); |
294 | break; |
295 | } |
296 | |
297 | return 0; |
298 | } |
299 | |
300 | static const struct snd_kcontrol_new spkmix[] = { |
301 | SOC_DAPM_SINGLE("IN1A Switch" , WM9090_SPEAKER_MIXER, 6, 1, 0), |
302 | SOC_DAPM_SINGLE("IN1B Switch" , WM9090_SPEAKER_MIXER, 4, 1, 0), |
303 | SOC_DAPM_SINGLE("IN2A Switch" , WM9090_SPEAKER_MIXER, 2, 1, 0), |
304 | SOC_DAPM_SINGLE("IN2B Switch" , WM9090_SPEAKER_MIXER, 0, 1, 0), |
305 | }; |
306 | |
307 | static const struct snd_kcontrol_new spkout[] = { |
308 | SOC_DAPM_SINGLE("Mixer Switch" , WM9090_SPKOUT_MIXERS, 4, 1, 0), |
309 | }; |
310 | |
311 | static const struct snd_kcontrol_new mixoutl[] = { |
312 | SOC_DAPM_SINGLE("IN1A Switch" , WM9090_OUTPUT_MIXER1, 6, 1, 0), |
313 | SOC_DAPM_SINGLE("IN1B Switch" , WM9090_OUTPUT_MIXER1, 4, 1, 0), |
314 | SOC_DAPM_SINGLE("IN2A Switch" , WM9090_OUTPUT_MIXER1, 2, 1, 0), |
315 | SOC_DAPM_SINGLE("IN2B Switch" , WM9090_OUTPUT_MIXER1, 0, 1, 0), |
316 | }; |
317 | |
318 | static const struct snd_kcontrol_new mixoutr[] = { |
319 | SOC_DAPM_SINGLE("IN1A Switch" , WM9090_OUTPUT_MIXER2, 6, 1, 0), |
320 | SOC_DAPM_SINGLE("IN1B Switch" , WM9090_OUTPUT_MIXER2, 4, 1, 0), |
321 | SOC_DAPM_SINGLE("IN2A Switch" , WM9090_OUTPUT_MIXER2, 2, 1, 0), |
322 | SOC_DAPM_SINGLE("IN2B Switch" , WM9090_OUTPUT_MIXER2, 0, 1, 0), |
323 | }; |
324 | |
325 | static const struct snd_soc_dapm_widget wm9090_dapm_widgets[] = { |
326 | SND_SOC_DAPM_INPUT("IN1+" ), |
327 | SND_SOC_DAPM_INPUT("IN1-" ), |
328 | SND_SOC_DAPM_INPUT("IN2+" ), |
329 | SND_SOC_DAPM_INPUT("IN2-" ), |
330 | |
331 | SND_SOC_DAPM_SUPPLY("OSC" , WM9090_POWER_MANAGEMENT_1, 3, 0, NULL, 0), |
332 | |
333 | SND_SOC_DAPM_PGA("IN1A PGA" , WM9090_POWER_MANAGEMENT_2, 7, 0, NULL, 0), |
334 | SND_SOC_DAPM_PGA("IN1B PGA" , WM9090_POWER_MANAGEMENT_2, 6, 0, NULL, 0), |
335 | SND_SOC_DAPM_PGA("IN2A PGA" , WM9090_POWER_MANAGEMENT_2, 5, 0, NULL, 0), |
336 | SND_SOC_DAPM_PGA("IN2B PGA" , WM9090_POWER_MANAGEMENT_2, 4, 0, NULL, 0), |
337 | |
338 | SND_SOC_DAPM_MIXER("SPKMIX" , WM9090_POWER_MANAGEMENT_3, 3, 0, |
339 | spkmix, ARRAY_SIZE(spkmix)), |
340 | SND_SOC_DAPM_MIXER("MIXOUTL" , WM9090_POWER_MANAGEMENT_3, 5, 0, |
341 | mixoutl, ARRAY_SIZE(mixoutl)), |
342 | SND_SOC_DAPM_MIXER("MIXOUTR" , WM9090_POWER_MANAGEMENT_3, 4, 0, |
343 | mixoutr, ARRAY_SIZE(mixoutr)), |
344 | |
345 | SND_SOC_DAPM_PGA_E("HP PGA" , SND_SOC_NOPM, 0, 0, NULL, 0, |
346 | hp_ev, SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), |
347 | |
348 | SND_SOC_DAPM_PGA("SPKPGA" , WM9090_POWER_MANAGEMENT_3, 8, 0, NULL, 0), |
349 | SND_SOC_DAPM_MIXER("SPKOUT" , WM9090_POWER_MANAGEMENT_1, 12, 0, |
350 | spkout, ARRAY_SIZE(spkout)), |
351 | |
352 | SND_SOC_DAPM_OUTPUT("HPR" ), |
353 | SND_SOC_DAPM_OUTPUT("HPL" ), |
354 | SND_SOC_DAPM_OUTPUT("Speaker" ), |
355 | }; |
356 | |
357 | static const struct snd_soc_dapm_route audio_map[] = { |
358 | { "IN1A PGA" , NULL, "IN1+" }, |
359 | { "IN2A PGA" , NULL, "IN2+" }, |
360 | |
361 | { "SPKMIX" , "IN1A Switch" , "IN1A PGA" }, |
362 | { "SPKMIX" , "IN2A Switch" , "IN2A PGA" }, |
363 | |
364 | { "MIXOUTL" , "IN1A Switch" , "IN1A PGA" }, |
365 | { "MIXOUTL" , "IN2A Switch" , "IN2A PGA" }, |
366 | |
367 | { "MIXOUTR" , "IN1A Switch" , "IN1A PGA" }, |
368 | { "MIXOUTR" , "IN2A Switch" , "IN2A PGA" }, |
369 | |
370 | { "HP PGA" , NULL, "OSC" }, |
371 | { "HP PGA" , NULL, "MIXOUTL" }, |
372 | { "HP PGA" , NULL, "MIXOUTR" }, |
373 | |
374 | { "HPL" , NULL, "HP PGA" }, |
375 | { "HPR" , NULL, "HP PGA" }, |
376 | |
377 | { "SPKPGA" , NULL, "OSC" }, |
378 | { "SPKPGA" , NULL, "SPKMIX" }, |
379 | |
380 | { "SPKOUT" , "Mixer Switch" , "SPKPGA" }, |
381 | |
382 | { "Speaker" , NULL, "SPKOUT" }, |
383 | }; |
384 | |
385 | static const struct snd_soc_dapm_route audio_map_in1_se[] = { |
386 | { "IN1B PGA" , NULL, "IN1-" }, |
387 | |
388 | { "SPKMIX" , "IN1B Switch" , "IN1B PGA" }, |
389 | { "MIXOUTL" , "IN1B Switch" , "IN1B PGA" }, |
390 | { "MIXOUTR" , "IN1B Switch" , "IN1B PGA" }, |
391 | }; |
392 | |
393 | static const struct snd_soc_dapm_route audio_map_in1_diff[] = { |
394 | { "IN1A PGA" , NULL, "IN1-" }, |
395 | }; |
396 | |
397 | static const struct snd_soc_dapm_route audio_map_in2_se[] = { |
398 | { "IN2B PGA" , NULL, "IN2-" }, |
399 | |
400 | { "SPKMIX" , "IN2B Switch" , "IN2B PGA" }, |
401 | { "MIXOUTL" , "IN2B Switch" , "IN2B PGA" }, |
402 | { "MIXOUTR" , "IN2B Switch" , "IN2B PGA" }, |
403 | }; |
404 | |
405 | static const struct snd_soc_dapm_route audio_map_in2_diff[] = { |
406 | { "IN2A PGA" , NULL, "IN2-" }, |
407 | }; |
408 | |
409 | static int wm9090_add_controls(struct snd_soc_component *component) |
410 | { |
411 | struct wm9090_priv *wm9090 = snd_soc_component_get_drvdata(c: component); |
412 | struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component); |
413 | int i; |
414 | |
415 | snd_soc_dapm_new_controls(dapm, widget: wm9090_dapm_widgets, |
416 | ARRAY_SIZE(wm9090_dapm_widgets)); |
417 | |
418 | snd_soc_dapm_add_routes(dapm, route: audio_map, ARRAY_SIZE(audio_map)); |
419 | |
420 | snd_soc_add_component_controls(component, controls: wm9090_controls, |
421 | ARRAY_SIZE(wm9090_controls)); |
422 | |
423 | if (wm9090->pdata.lin1_diff) { |
424 | snd_soc_dapm_add_routes(dapm, route: audio_map_in1_diff, |
425 | ARRAY_SIZE(audio_map_in1_diff)); |
426 | } else { |
427 | snd_soc_dapm_add_routes(dapm, route: audio_map_in1_se, |
428 | ARRAY_SIZE(audio_map_in1_se)); |
429 | snd_soc_add_component_controls(component, controls: wm9090_in1_se_controls, |
430 | ARRAY_SIZE(wm9090_in1_se_controls)); |
431 | } |
432 | |
433 | if (wm9090->pdata.lin2_diff) { |
434 | snd_soc_dapm_add_routes(dapm, route: audio_map_in2_diff, |
435 | ARRAY_SIZE(audio_map_in2_diff)); |
436 | } else { |
437 | snd_soc_dapm_add_routes(dapm, route: audio_map_in2_se, |
438 | ARRAY_SIZE(audio_map_in2_se)); |
439 | snd_soc_add_component_controls(component, controls: wm9090_in2_se_controls, |
440 | ARRAY_SIZE(wm9090_in2_se_controls)); |
441 | } |
442 | |
443 | if (wm9090->pdata.agc_ena) { |
444 | for (i = 0; i < ARRAY_SIZE(wm9090->pdata.agc); i++) |
445 | snd_soc_component_write(component, WM9090_AGC_CONTROL_0 + i, |
446 | val: wm9090->pdata.agc[i]); |
447 | snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_3, |
448 | WM9090_AGC_ENA, WM9090_AGC_ENA); |
449 | } else { |
450 | snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_3, |
451 | WM9090_AGC_ENA, val: 0); |
452 | } |
453 | |
454 | return 0; |
455 | |
456 | } |
457 | |
458 | /* |
459 | * The machine driver should call this from their set_bias_level; if there |
460 | * isn't one then this can just be set as the set_bias_level function. |
461 | */ |
462 | static int wm9090_set_bias_level(struct snd_soc_component *component, |
463 | enum snd_soc_bias_level level) |
464 | { |
465 | struct wm9090_priv *wm9090 = snd_soc_component_get_drvdata(c: component); |
466 | |
467 | switch (level) { |
468 | case SND_SOC_BIAS_ON: |
469 | break; |
470 | |
471 | case SND_SOC_BIAS_PREPARE: |
472 | snd_soc_component_update_bits(component, WM9090_ANTIPOP2, WM9090_VMID_ENA, |
473 | WM9090_VMID_ENA); |
474 | snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1, |
475 | WM9090_BIAS_ENA | |
476 | WM9090_VMID_RES_MASK, |
477 | WM9090_BIAS_ENA | |
478 | 1 << WM9090_VMID_RES_SHIFT); |
479 | msleep(msecs: 1); /* Probably an overestimate */ |
480 | break; |
481 | |
482 | case SND_SOC_BIAS_STANDBY: |
483 | if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) { |
484 | /* Restore the register cache */ |
485 | regcache_sync(map: wm9090->regmap); |
486 | } |
487 | |
488 | /* We keep VMID off during standby since the combination of |
489 | * ground referenced outputs and class D speaker mean that |
490 | * latency is not an issue. |
491 | */ |
492 | snd_soc_component_update_bits(component, WM9090_POWER_MANAGEMENT_1, |
493 | WM9090_BIAS_ENA | WM9090_VMID_RES_MASK, val: 0); |
494 | snd_soc_component_update_bits(component, WM9090_ANTIPOP2, |
495 | WM9090_VMID_ENA, val: 0); |
496 | break; |
497 | |
498 | case SND_SOC_BIAS_OFF: |
499 | break; |
500 | } |
501 | |
502 | return 0; |
503 | } |
504 | |
505 | static int wm9090_probe(struct snd_soc_component *component) |
506 | { |
507 | /* Configure some defaults; they will be written out when we |
508 | * bring the bias up. |
509 | */ |
510 | snd_soc_component_update_bits(component, WM9090_IN1_LINE_INPUT_A_VOLUME, |
511 | WM9090_IN1_VU | WM9090_IN1A_ZC, |
512 | WM9090_IN1_VU | WM9090_IN1A_ZC); |
513 | snd_soc_component_update_bits(component, WM9090_IN1_LINE_INPUT_B_VOLUME, |
514 | WM9090_IN1_VU | WM9090_IN1B_ZC, |
515 | WM9090_IN1_VU | WM9090_IN1B_ZC); |
516 | snd_soc_component_update_bits(component, WM9090_IN2_LINE_INPUT_A_VOLUME, |
517 | WM9090_IN2_VU | WM9090_IN2A_ZC, |
518 | WM9090_IN2_VU | WM9090_IN2A_ZC); |
519 | snd_soc_component_update_bits(component, WM9090_IN2_LINE_INPUT_B_VOLUME, |
520 | WM9090_IN2_VU | WM9090_IN2B_ZC, |
521 | WM9090_IN2_VU | WM9090_IN2B_ZC); |
522 | snd_soc_component_update_bits(component, WM9090_SPEAKER_VOLUME_LEFT, |
523 | WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC, |
524 | WM9090_SPKOUT_VU | WM9090_SPKOUTL_ZC); |
525 | snd_soc_component_update_bits(component, WM9090_LEFT_OUTPUT_VOLUME, |
526 | WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC, |
527 | WM9090_HPOUT1_VU | WM9090_HPOUT1L_ZC); |
528 | snd_soc_component_update_bits(component, WM9090_RIGHT_OUTPUT_VOLUME, |
529 | WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC, |
530 | WM9090_HPOUT1_VU | WM9090_HPOUT1R_ZC); |
531 | |
532 | snd_soc_component_update_bits(component, WM9090_CLOCKING_1, |
533 | WM9090_TOCLK_ENA, WM9090_TOCLK_ENA); |
534 | |
535 | wm9090_add_controls(component); |
536 | |
537 | return 0; |
538 | } |
539 | |
540 | static const struct snd_soc_component_driver soc_component_dev_wm9090 = { |
541 | .probe = wm9090_probe, |
542 | .set_bias_level = wm9090_set_bias_level, |
543 | .suspend_bias_off = 1, |
544 | .idle_bias_on = 1, |
545 | .use_pmdown_time = 1, |
546 | }; |
547 | |
548 | static const struct regmap_config wm9090_regmap = { |
549 | .reg_bits = 8, |
550 | .val_bits = 16, |
551 | |
552 | .max_register = WM9090_MAX_REGISTER, |
553 | .volatile_reg = wm9090_volatile, |
554 | .readable_reg = wm9090_readable, |
555 | |
556 | .cache_type = REGCACHE_MAPLE, |
557 | .reg_defaults = wm9090_reg_defaults, |
558 | .num_reg_defaults = ARRAY_SIZE(wm9090_reg_defaults), |
559 | }; |
560 | |
561 | |
562 | static int wm9090_i2c_probe(struct i2c_client *i2c) |
563 | { |
564 | struct wm9090_priv *wm9090; |
565 | unsigned int reg; |
566 | int ret; |
567 | |
568 | wm9090 = devm_kzalloc(dev: &i2c->dev, size: sizeof(*wm9090), GFP_KERNEL); |
569 | if (!wm9090) |
570 | return -ENOMEM; |
571 | |
572 | wm9090->regmap = devm_regmap_init_i2c(i2c, &wm9090_regmap); |
573 | if (IS_ERR(ptr: wm9090->regmap)) { |
574 | ret = PTR_ERR(ptr: wm9090->regmap); |
575 | dev_err(&i2c->dev, "Failed to allocate regmap: %d\n" , ret); |
576 | return ret; |
577 | } |
578 | |
579 | ret = regmap_read(map: wm9090->regmap, WM9090_SOFTWARE_RESET, val: ®); |
580 | if (ret < 0) |
581 | return ret; |
582 | |
583 | if (reg != 0x9093) { |
584 | dev_err(&i2c->dev, "Device is not a WM9090, ID=%x\n" , reg); |
585 | return -ENODEV; |
586 | } |
587 | |
588 | ret = regmap_write(map: wm9090->regmap, WM9090_SOFTWARE_RESET, val: 0); |
589 | if (ret < 0) |
590 | return ret; |
591 | |
592 | if (i2c->dev.platform_data) |
593 | memcpy(&wm9090->pdata, i2c->dev.platform_data, |
594 | sizeof(wm9090->pdata)); |
595 | |
596 | i2c_set_clientdata(client: i2c, data: wm9090); |
597 | |
598 | ret = devm_snd_soc_register_component(dev: &i2c->dev, |
599 | component_driver: &soc_component_dev_wm9090, NULL, num_dai: 0); |
600 | if (ret != 0) { |
601 | dev_err(&i2c->dev, "Failed to register CODEC: %d\n" , ret); |
602 | return ret; |
603 | } |
604 | |
605 | return 0; |
606 | } |
607 | |
608 | static const struct i2c_device_id wm9090_id[] = { |
609 | { "wm9090" , 0 }, |
610 | { "wm9093" , 0 }, |
611 | { } |
612 | }; |
613 | MODULE_DEVICE_TABLE(i2c, wm9090_id); |
614 | |
615 | static struct i2c_driver wm9090_i2c_driver = { |
616 | .driver = { |
617 | .name = "wm9090" , |
618 | }, |
619 | .probe = wm9090_i2c_probe, |
620 | .id_table = wm9090_id, |
621 | }; |
622 | |
623 | module_i2c_driver(wm9090_i2c_driver); |
624 | |
625 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>" ); |
626 | MODULE_DESCRIPTION("WM9090 ASoC driver" ); |
627 | MODULE_LICENSE("GPL" ); |
628 | |