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1 | /* |
2 | * wm8904.c -- WM8904 ALSA SoC Audio driver | |
3 | * | |
656baaeb | 4 | * Copyright 2009-12 Wolfson Microelectronics plc |
a91eb199 MB |
5 | * |
6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | |
7 | * | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License version 2 as | |
11 | * published by the Free Software Foundation. | |
12 | */ | |
13 | ||
14 | #include <linux/module.h> | |
15 | #include <linux/moduleparam.h> | |
16 | #include <linux/init.h> | |
17 | #include <linux/delay.h> | |
18 | #include <linux/pm.h> | |
19 | #include <linux/i2c.h> | |
84d0d831 | 20 | #include <linux/regmap.h> |
a91eb199 | 21 | #include <linux/regulator/consumer.h> |
5a0e3ad6 | 22 | #include <linux/slab.h> |
a91eb199 MB |
23 | #include <sound/core.h> |
24 | #include <sound/pcm.h> | |
25 | #include <sound/pcm_params.h> | |
26 | #include <sound/soc.h> | |
a91eb199 MB |
27 | #include <sound/initval.h> |
28 | #include <sound/tlv.h> | |
29 | #include <sound/wm8904.h> | |
30 | ||
31 | #include "wm8904.h" | |
32 | ||
8c126474 MB |
33 | enum wm8904_type { |
34 | WM8904, | |
35 | WM8912, | |
36 | }; | |
37 | ||
a91eb199 MB |
38 | #define WM8904_NUM_DCS_CHANNELS 4 |
39 | ||
40 | #define WM8904_NUM_SUPPLIES 5 | |
41 | static const char *wm8904_supply_names[WM8904_NUM_SUPPLIES] = { | |
42 | "DCVDD", | |
43 | "DBVDD", | |
44 | "AVDD", | |
45 | "CPVDD", | |
46 | "MICVDD", | |
47 | }; | |
48 | ||
49 | /* codec private data */ | |
50 | struct wm8904_priv { | |
84d0d831 | 51 | struct regmap *regmap; |
f0fba2ad | 52 | |
8c126474 MB |
53 | enum wm8904_type devtype; |
54 | ||
a91eb199 MB |
55 | struct regulator_bulk_data supplies[WM8904_NUM_SUPPLIES]; |
56 | ||
57 | struct wm8904_pdata *pdata; | |
58 | ||
59 | int deemph; | |
60 | ||
61 | /* Platform provided DRC configuration */ | |
62 | const char **drc_texts; | |
63 | int drc_cfg; | |
64 | struct soc_enum drc_enum; | |
65 | ||
66 | /* Platform provided ReTune mobile configuration */ | |
67 | int num_retune_mobile_texts; | |
68 | const char **retune_mobile_texts; | |
69 | int retune_mobile_cfg; | |
70 | struct soc_enum retune_mobile_enum; | |
71 | ||
72 | /* FLL setup */ | |
73 | int fll_src; | |
74 | int fll_fref; | |
75 | int fll_fout; | |
76 | ||
77 | /* Clocking configuration */ | |
78 | unsigned int mclk_rate; | |
79 | int sysclk_src; | |
80 | unsigned int sysclk_rate; | |
81 | ||
82 | int tdm_width; | |
83 | int tdm_slots; | |
84 | int bclk; | |
85 | int fs; | |
86 | ||
87 | /* DC servo configuration - cached offset values */ | |
88 | int dcs_state[WM8904_NUM_DCS_CHANNELS]; | |
89 | }; | |
90 | ||
84d0d831 MB |
91 | static const struct reg_default wm8904_reg_defaults[] = { |
92 | { 4, 0x0018 }, /* R4 - Bias Control 0 */ | |
93 | { 5, 0x0000 }, /* R5 - VMID Control 0 */ | |
94 | { 6, 0x0000 }, /* R6 - Mic Bias Control 0 */ | |
95 | { 7, 0x0000 }, /* R7 - Mic Bias Control 1 */ | |
96 | { 8, 0x0001 }, /* R8 - Analogue DAC 0 */ | |
97 | { 9, 0x9696 }, /* R9 - mic Filter Control */ | |
98 | { 10, 0x0001 }, /* R10 - Analogue ADC 0 */ | |
99 | { 12, 0x0000 }, /* R12 - Power Management 0 */ | |
100 | { 14, 0x0000 }, /* R14 - Power Management 2 */ | |
101 | { 15, 0x0000 }, /* R15 - Power Management 3 */ | |
102 | { 18, 0x0000 }, /* R18 - Power Management 6 */ | |
985b11fa | 103 | { 20, 0x945E }, /* R20 - Clock Rates 0 */ |
84d0d831 MB |
104 | { 21, 0x0C05 }, /* R21 - Clock Rates 1 */ |
105 | { 22, 0x0006 }, /* R22 - Clock Rates 2 */ | |
106 | { 24, 0x0050 }, /* R24 - Audio Interface 0 */ | |
107 | { 25, 0x000A }, /* R25 - Audio Interface 1 */ | |
108 | { 26, 0x00E4 }, /* R26 - Audio Interface 2 */ | |
109 | { 27, 0x0040 }, /* R27 - Audio Interface 3 */ | |
110 | { 30, 0x00C0 }, /* R30 - DAC Digital Volume Left */ | |
111 | { 31, 0x00C0 }, /* R31 - DAC Digital Volume Right */ | |
112 | { 32, 0x0000 }, /* R32 - DAC Digital 0 */ | |
113 | { 33, 0x0008 }, /* R33 - DAC Digital 1 */ | |
114 | { 36, 0x00C0 }, /* R36 - ADC Digital Volume Left */ | |
115 | { 37, 0x00C0 }, /* R37 - ADC Digital Volume Right */ | |
116 | { 38, 0x0010 }, /* R38 - ADC Digital 0 */ | |
117 | { 39, 0x0000 }, /* R39 - Digital Microphone 0 */ | |
118 | { 40, 0x01AF }, /* R40 - DRC 0 */ | |
119 | { 41, 0x3248 }, /* R41 - DRC 1 */ | |
120 | { 42, 0x0000 }, /* R42 - DRC 2 */ | |
121 | { 43, 0x0000 }, /* R43 - DRC 3 */ | |
122 | { 44, 0x0085 }, /* R44 - Analogue Left Input 0 */ | |
123 | { 45, 0x0085 }, /* R45 - Analogue Right Input 0 */ | |
124 | { 46, 0x0044 }, /* R46 - Analogue Left Input 1 */ | |
125 | { 47, 0x0044 }, /* R47 - Analogue Right Input 1 */ | |
126 | { 57, 0x002D }, /* R57 - Analogue OUT1 Left */ | |
127 | { 58, 0x002D }, /* R58 - Analogue OUT1 Right */ | |
128 | { 59, 0x0039 }, /* R59 - Analogue OUT2 Left */ | |
129 | { 60, 0x0039 }, /* R60 - Analogue OUT2 Right */ | |
130 | { 61, 0x0000 }, /* R61 - Analogue OUT12 ZC */ | |
131 | { 67, 0x0000 }, /* R67 - DC Servo 0 */ | |
132 | { 69, 0xAAAA }, /* R69 - DC Servo 2 */ | |
133 | { 71, 0xAAAA }, /* R71 - DC Servo 4 */ | |
134 | { 72, 0xAAAA }, /* R72 - DC Servo 5 */ | |
135 | { 90, 0x0000 }, /* R90 - Analogue HP 0 */ | |
136 | { 94, 0x0000 }, /* R94 - Analogue Lineout 0 */ | |
137 | { 98, 0x0000 }, /* R98 - Charge Pump 0 */ | |
138 | { 104, 0x0004 }, /* R104 - Class W 0 */ | |
139 | { 108, 0x0000 }, /* R108 - Write Sequencer 0 */ | |
140 | { 109, 0x0000 }, /* R109 - Write Sequencer 1 */ | |
141 | { 110, 0x0000 }, /* R110 - Write Sequencer 2 */ | |
142 | { 111, 0x0000 }, /* R111 - Write Sequencer 3 */ | |
143 | { 112, 0x0000 }, /* R112 - Write Sequencer 4 */ | |
144 | { 116, 0x0000 }, /* R116 - FLL Control 1 */ | |
145 | { 117, 0x0007 }, /* R117 - FLL Control 2 */ | |
146 | { 118, 0x0000 }, /* R118 - FLL Control 3 */ | |
147 | { 119, 0x2EE0 }, /* R119 - FLL Control 4 */ | |
148 | { 120, 0x0004 }, /* R120 - FLL Control 5 */ | |
149 | { 121, 0x0014 }, /* R121 - GPIO Control 1 */ | |
150 | { 122, 0x0010 }, /* R122 - GPIO Control 2 */ | |
151 | { 123, 0x0010 }, /* R123 - GPIO Control 3 */ | |
152 | { 124, 0x0000 }, /* R124 - GPIO Control 4 */ | |
153 | { 126, 0x0000 }, /* R126 - Digital Pulls */ | |
154 | { 128, 0xFFFF }, /* R128 - Interrupt Status Mask */ | |
155 | { 129, 0x0000 }, /* R129 - Interrupt Polarity */ | |
156 | { 130, 0x0000 }, /* R130 - Interrupt Debounce */ | |
157 | { 134, 0x0000 }, /* R134 - EQ1 */ | |
158 | { 135, 0x000C }, /* R135 - EQ2 */ | |
159 | { 136, 0x000C }, /* R136 - EQ3 */ | |
160 | { 137, 0x000C }, /* R137 - EQ4 */ | |
161 | { 138, 0x000C }, /* R138 - EQ5 */ | |
162 | { 139, 0x000C }, /* R139 - EQ6 */ | |
163 | { 140, 0x0FCA }, /* R140 - EQ7 */ | |
164 | { 141, 0x0400 }, /* R141 - EQ8 */ | |
165 | { 142, 0x00D8 }, /* R142 - EQ9 */ | |
166 | { 143, 0x1EB5 }, /* R143 - EQ10 */ | |
167 | { 144, 0xF145 }, /* R144 - EQ11 */ | |
168 | { 145, 0x0B75 }, /* R145 - EQ12 */ | |
169 | { 146, 0x01C5 }, /* R146 - EQ13 */ | |
170 | { 147, 0x1C58 }, /* R147 - EQ14 */ | |
171 | { 148, 0xF373 }, /* R148 - EQ15 */ | |
172 | { 149, 0x0A54 }, /* R149 - EQ16 */ | |
173 | { 150, 0x0558 }, /* R150 - EQ17 */ | |
174 | { 151, 0x168E }, /* R151 - EQ18 */ | |
175 | { 152, 0xF829 }, /* R152 - EQ19 */ | |
176 | { 153, 0x07AD }, /* R153 - EQ20 */ | |
177 | { 154, 0x1103 }, /* R154 - EQ21 */ | |
178 | { 155, 0x0564 }, /* R155 - EQ22 */ | |
179 | { 156, 0x0559 }, /* R156 - EQ23 */ | |
180 | { 157, 0x4000 }, /* R157 - EQ24 */ | |
181 | { 161, 0x0000 }, /* R161 - Control Interface Test 1 */ | |
182 | { 204, 0x0000 }, /* R204 - Analogue Output Bias 0 */ | |
183 | { 247, 0x0000 }, /* R247 - FLL NCO Test 0 */ | |
184 | { 248, 0x0019 }, /* R248 - FLL NCO Test 1 */ | |
a91eb199 MB |
185 | }; |
186 | ||
84d0d831 MB |
187 | static bool wm8904_volatile_register(struct device *dev, unsigned int reg) |
188 | { | |
189 | switch (reg) { | |
190 | case WM8904_SW_RESET_AND_ID: | |
191 | case WM8904_REVISION: | |
192 | case WM8904_DC_SERVO_1: | |
193 | case WM8904_DC_SERVO_6: | |
194 | case WM8904_DC_SERVO_7: | |
195 | case WM8904_DC_SERVO_8: | |
196 | case WM8904_DC_SERVO_9: | |
197 | case WM8904_DC_SERVO_READBACK_0: | |
198 | case WM8904_INTERRUPT_STATUS: | |
199 | return true; | |
200 | default: | |
201 | return false; | |
202 | } | |
203 | } | |
a91eb199 | 204 | |
84d0d831 | 205 | static bool wm8904_readable_register(struct device *dev, unsigned int reg) |
a91eb199 | 206 | { |
84d0d831 MB |
207 | switch (reg) { |
208 | case WM8904_SW_RESET_AND_ID: | |
209 | case WM8904_REVISION: | |
210 | case WM8904_BIAS_CONTROL_0: | |
211 | case WM8904_VMID_CONTROL_0: | |
212 | case WM8904_MIC_BIAS_CONTROL_0: | |
213 | case WM8904_MIC_BIAS_CONTROL_1: | |
214 | case WM8904_ANALOGUE_DAC_0: | |
215 | case WM8904_MIC_FILTER_CONTROL: | |
216 | case WM8904_ANALOGUE_ADC_0: | |
217 | case WM8904_POWER_MANAGEMENT_0: | |
218 | case WM8904_POWER_MANAGEMENT_2: | |
219 | case WM8904_POWER_MANAGEMENT_3: | |
220 | case WM8904_POWER_MANAGEMENT_6: | |
221 | case WM8904_CLOCK_RATES_0: | |
222 | case WM8904_CLOCK_RATES_1: | |
223 | case WM8904_CLOCK_RATES_2: | |
224 | case WM8904_AUDIO_INTERFACE_0: | |
225 | case WM8904_AUDIO_INTERFACE_1: | |
226 | case WM8904_AUDIO_INTERFACE_2: | |
227 | case WM8904_AUDIO_INTERFACE_3: | |
228 | case WM8904_DAC_DIGITAL_VOLUME_LEFT: | |
229 | case WM8904_DAC_DIGITAL_VOLUME_RIGHT: | |
230 | case WM8904_DAC_DIGITAL_0: | |
231 | case WM8904_DAC_DIGITAL_1: | |
232 | case WM8904_ADC_DIGITAL_VOLUME_LEFT: | |
233 | case WM8904_ADC_DIGITAL_VOLUME_RIGHT: | |
234 | case WM8904_ADC_DIGITAL_0: | |
235 | case WM8904_DIGITAL_MICROPHONE_0: | |
236 | case WM8904_DRC_0: | |
237 | case WM8904_DRC_1: | |
238 | case WM8904_DRC_2: | |
239 | case WM8904_DRC_3: | |
240 | case WM8904_ANALOGUE_LEFT_INPUT_0: | |
241 | case WM8904_ANALOGUE_RIGHT_INPUT_0: | |
242 | case WM8904_ANALOGUE_LEFT_INPUT_1: | |
243 | case WM8904_ANALOGUE_RIGHT_INPUT_1: | |
244 | case WM8904_ANALOGUE_OUT1_LEFT: | |
245 | case WM8904_ANALOGUE_OUT1_RIGHT: | |
246 | case WM8904_ANALOGUE_OUT2_LEFT: | |
247 | case WM8904_ANALOGUE_OUT2_RIGHT: | |
248 | case WM8904_ANALOGUE_OUT12_ZC: | |
249 | case WM8904_DC_SERVO_0: | |
250 | case WM8904_DC_SERVO_1: | |
251 | case WM8904_DC_SERVO_2: | |
252 | case WM8904_DC_SERVO_4: | |
253 | case WM8904_DC_SERVO_5: | |
254 | case WM8904_DC_SERVO_6: | |
255 | case WM8904_DC_SERVO_7: | |
256 | case WM8904_DC_SERVO_8: | |
257 | case WM8904_DC_SERVO_9: | |
258 | case WM8904_DC_SERVO_READBACK_0: | |
259 | case WM8904_ANALOGUE_HP_0: | |
260 | case WM8904_ANALOGUE_LINEOUT_0: | |
261 | case WM8904_CHARGE_PUMP_0: | |
262 | case WM8904_CLASS_W_0: | |
263 | case WM8904_WRITE_SEQUENCER_0: | |
264 | case WM8904_WRITE_SEQUENCER_1: | |
265 | case WM8904_WRITE_SEQUENCER_2: | |
266 | case WM8904_WRITE_SEQUENCER_3: | |
267 | case WM8904_WRITE_SEQUENCER_4: | |
268 | case WM8904_FLL_CONTROL_1: | |
269 | case WM8904_FLL_CONTROL_2: | |
270 | case WM8904_FLL_CONTROL_3: | |
271 | case WM8904_FLL_CONTROL_4: | |
272 | case WM8904_FLL_CONTROL_5: | |
273 | case WM8904_GPIO_CONTROL_1: | |
274 | case WM8904_GPIO_CONTROL_2: | |
275 | case WM8904_GPIO_CONTROL_3: | |
276 | case WM8904_GPIO_CONTROL_4: | |
277 | case WM8904_DIGITAL_PULLS: | |
278 | case WM8904_INTERRUPT_STATUS: | |
279 | case WM8904_INTERRUPT_STATUS_MASK: | |
280 | case WM8904_INTERRUPT_POLARITY: | |
281 | case WM8904_INTERRUPT_DEBOUNCE: | |
282 | case WM8904_EQ1: | |
283 | case WM8904_EQ2: | |
284 | case WM8904_EQ3: | |
285 | case WM8904_EQ4: | |
286 | case WM8904_EQ5: | |
287 | case WM8904_EQ6: | |
288 | case WM8904_EQ7: | |
289 | case WM8904_EQ8: | |
290 | case WM8904_EQ9: | |
291 | case WM8904_EQ10: | |
292 | case WM8904_EQ11: | |
293 | case WM8904_EQ12: | |
294 | case WM8904_EQ13: | |
295 | case WM8904_EQ14: | |
296 | case WM8904_EQ15: | |
297 | case WM8904_EQ16: | |
298 | case WM8904_EQ17: | |
299 | case WM8904_EQ18: | |
300 | case WM8904_EQ19: | |
301 | case WM8904_EQ20: | |
302 | case WM8904_EQ21: | |
303 | case WM8904_EQ22: | |
304 | case WM8904_EQ23: | |
305 | case WM8904_EQ24: | |
306 | case WM8904_CONTROL_INTERFACE_TEST_1: | |
9b85fc90 | 307 | case WM8904_ADC_TEST_0: |
84d0d831 MB |
308 | case WM8904_ANALOGUE_OUTPUT_BIAS_0: |
309 | case WM8904_FLL_NCO_TEST_0: | |
310 | case WM8904_FLL_NCO_TEST_1: | |
311 | return true; | |
312 | default: | |
313 | return true; | |
314 | } | |
a91eb199 MB |
315 | } |
316 | ||
a91eb199 MB |
317 | static int wm8904_configure_clocking(struct snd_soc_codec *codec) |
318 | { | |
b2c812e2 | 319 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
320 | unsigned int clock0, clock2, rate; |
321 | ||
322 | /* Gate the clock while we're updating to avoid misclocking */ | |
323 | clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2); | |
324 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, | |
325 | WM8904_SYSCLK_SRC, 0); | |
326 | ||
327 | /* This should be done on init() for bypass paths */ | |
328 | switch (wm8904->sysclk_src) { | |
329 | case WM8904_CLK_MCLK: | |
330 | dev_dbg(codec->dev, "Using %dHz MCLK\n", wm8904->mclk_rate); | |
331 | ||
332 | clock2 &= ~WM8904_SYSCLK_SRC; | |
333 | rate = wm8904->mclk_rate; | |
334 | ||
335 | /* Ensure the FLL is stopped */ | |
336 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, | |
337 | WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); | |
338 | break; | |
339 | ||
340 | case WM8904_CLK_FLL: | |
341 | dev_dbg(codec->dev, "Using %dHz FLL clock\n", | |
342 | wm8904->fll_fout); | |
343 | ||
344 | clock2 |= WM8904_SYSCLK_SRC; | |
345 | rate = wm8904->fll_fout; | |
346 | break; | |
347 | ||
348 | default: | |
349 | dev_err(codec->dev, "System clock not configured\n"); | |
350 | return -EINVAL; | |
351 | } | |
352 | ||
353 | /* SYSCLK shouldn't be over 13.5MHz */ | |
354 | if (rate > 13500000) { | |
355 | clock0 = WM8904_MCLK_DIV; | |
356 | wm8904->sysclk_rate = rate / 2; | |
357 | } else { | |
358 | clock0 = 0; | |
359 | wm8904->sysclk_rate = rate; | |
360 | } | |
361 | ||
362 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_0, WM8904_MCLK_DIV, | |
363 | clock0); | |
364 | ||
365 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, | |
366 | WM8904_CLK_SYS_ENA | WM8904_SYSCLK_SRC, clock2); | |
367 | ||
368 | dev_dbg(codec->dev, "CLK_SYS is %dHz\n", wm8904->sysclk_rate); | |
369 | ||
370 | return 0; | |
371 | } | |
372 | ||
373 | static void wm8904_set_drc(struct snd_soc_codec *codec) | |
374 | { | |
b2c812e2 | 375 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
376 | struct wm8904_pdata *pdata = wm8904->pdata; |
377 | int save, i; | |
378 | ||
379 | /* Save any enables; the configuration should clear them. */ | |
380 | save = snd_soc_read(codec, WM8904_DRC_0); | |
381 | ||
382 | for (i = 0; i < WM8904_DRC_REGS; i++) | |
383 | snd_soc_update_bits(codec, WM8904_DRC_0 + i, 0xffff, | |
384 | pdata->drc_cfgs[wm8904->drc_cfg].regs[i]); | |
385 | ||
386 | /* Reenable the DRC */ | |
387 | snd_soc_update_bits(codec, WM8904_DRC_0, | |
388 | WM8904_DRC_ENA | WM8904_DRC_DAC_PATH, save); | |
389 | } | |
390 | ||
391 | static int wm8904_put_drc_enum(struct snd_kcontrol *kcontrol, | |
392 | struct snd_ctl_elem_value *ucontrol) | |
393 | { | |
394 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
f0fba2ad | 395 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
396 | struct wm8904_pdata *pdata = wm8904->pdata; |
397 | int value = ucontrol->value.integer.value[0]; | |
398 | ||
399 | if (value >= pdata->num_drc_cfgs) | |
400 | return -EINVAL; | |
401 | ||
402 | wm8904->drc_cfg = value; | |
403 | ||
404 | wm8904_set_drc(codec); | |
405 | ||
406 | return 0; | |
407 | } | |
408 | ||
409 | static int wm8904_get_drc_enum(struct snd_kcontrol *kcontrol, | |
410 | struct snd_ctl_elem_value *ucontrol) | |
411 | { | |
412 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
b2c812e2 | 413 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
414 | |
415 | ucontrol->value.enumerated.item[0] = wm8904->drc_cfg; | |
416 | ||
417 | return 0; | |
418 | } | |
419 | ||
420 | static void wm8904_set_retune_mobile(struct snd_soc_codec *codec) | |
421 | { | |
b2c812e2 | 422 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
423 | struct wm8904_pdata *pdata = wm8904->pdata; |
424 | int best, best_val, save, i, cfg; | |
425 | ||
426 | if (!pdata || !wm8904->num_retune_mobile_texts) | |
427 | return; | |
428 | ||
429 | /* Find the version of the currently selected configuration | |
430 | * with the nearest sample rate. */ | |
431 | cfg = wm8904->retune_mobile_cfg; | |
432 | best = 0; | |
433 | best_val = INT_MAX; | |
434 | for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { | |
435 | if (strcmp(pdata->retune_mobile_cfgs[i].name, | |
436 | wm8904->retune_mobile_texts[cfg]) == 0 && | |
437 | abs(pdata->retune_mobile_cfgs[i].rate | |
438 | - wm8904->fs) < best_val) { | |
439 | best = i; | |
440 | best_val = abs(pdata->retune_mobile_cfgs[i].rate | |
441 | - wm8904->fs); | |
442 | } | |
443 | } | |
444 | ||
445 | dev_dbg(codec->dev, "ReTune Mobile %s/%dHz for %dHz sample rate\n", | |
446 | pdata->retune_mobile_cfgs[best].name, | |
447 | pdata->retune_mobile_cfgs[best].rate, | |
448 | wm8904->fs); | |
449 | ||
450 | /* The EQ will be disabled while reconfiguring it, remember the | |
451 | * current configuration. | |
452 | */ | |
453 | save = snd_soc_read(codec, WM8904_EQ1); | |
454 | ||
455 | for (i = 0; i < WM8904_EQ_REGS; i++) | |
456 | snd_soc_update_bits(codec, WM8904_EQ1 + i, 0xffff, | |
457 | pdata->retune_mobile_cfgs[best].regs[i]); | |
458 | ||
459 | snd_soc_update_bits(codec, WM8904_EQ1, WM8904_EQ_ENA, save); | |
460 | } | |
461 | ||
462 | static int wm8904_put_retune_mobile_enum(struct snd_kcontrol *kcontrol, | |
463 | struct snd_ctl_elem_value *ucontrol) | |
464 | { | |
465 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
f0fba2ad | 466 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
467 | struct wm8904_pdata *pdata = wm8904->pdata; |
468 | int value = ucontrol->value.integer.value[0]; | |
469 | ||
470 | if (value >= pdata->num_retune_mobile_cfgs) | |
471 | return -EINVAL; | |
472 | ||
473 | wm8904->retune_mobile_cfg = value; | |
474 | ||
475 | wm8904_set_retune_mobile(codec); | |
476 | ||
477 | return 0; | |
478 | } | |
479 | ||
480 | static int wm8904_get_retune_mobile_enum(struct snd_kcontrol *kcontrol, | |
481 | struct snd_ctl_elem_value *ucontrol) | |
482 | { | |
483 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
b2c812e2 | 484 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
485 | |
486 | ucontrol->value.enumerated.item[0] = wm8904->retune_mobile_cfg; | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | static int deemph_settings[] = { 0, 32000, 44100, 48000 }; | |
492 | ||
493 | static int wm8904_set_deemph(struct snd_soc_codec *codec) | |
494 | { | |
b2c812e2 | 495 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
496 | int val, i, best; |
497 | ||
498 | /* If we're using deemphasis select the nearest available sample | |
499 | * rate. | |
500 | */ | |
501 | if (wm8904->deemph) { | |
502 | best = 1; | |
503 | for (i = 2; i < ARRAY_SIZE(deemph_settings); i++) { | |
504 | if (abs(deemph_settings[i] - wm8904->fs) < | |
505 | abs(deemph_settings[best] - wm8904->fs)) | |
506 | best = i; | |
507 | } | |
508 | ||
509 | val = best << WM8904_DEEMPH_SHIFT; | |
510 | } else { | |
511 | val = 0; | |
512 | } | |
513 | ||
514 | dev_dbg(codec->dev, "Set deemphasis %d\n", val); | |
515 | ||
516 | return snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, | |
517 | WM8904_DEEMPH_MASK, val); | |
518 | } | |
519 | ||
520 | static int wm8904_get_deemph(struct snd_kcontrol *kcontrol, | |
521 | struct snd_ctl_elem_value *ucontrol) | |
522 | { | |
523 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
b2c812e2 | 524 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 | 525 | |
3f343f85 DA |
526 | ucontrol->value.enumerated.item[0] = wm8904->deemph; |
527 | return 0; | |
a91eb199 MB |
528 | } |
529 | ||
530 | static int wm8904_put_deemph(struct snd_kcontrol *kcontrol, | |
531 | struct snd_ctl_elem_value *ucontrol) | |
532 | { | |
533 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
b2c812e2 | 534 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
535 | int deemph = ucontrol->value.enumerated.item[0]; |
536 | ||
537 | if (deemph > 1) | |
538 | return -EINVAL; | |
539 | ||
540 | wm8904->deemph = deemph; | |
541 | ||
542 | return wm8904_set_deemph(codec); | |
543 | } | |
544 | ||
545 | static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); | |
546 | static const DECLARE_TLV_DB_SCALE(digital_tlv, -7200, 75, 1); | |
547 | static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); | |
548 | static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -3600, 300, 0); | |
549 | static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); | |
550 | ||
551 | static const char *input_mode_text[] = { | |
552 | "Single-Ended", "Differential Line", "Differential Mic" | |
553 | }; | |
554 | ||
555 | static const struct soc_enum lin_mode = | |
556 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 0, 3, input_mode_text); | |
557 | ||
558 | static const struct soc_enum rin_mode = | |
559 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 0, 3, input_mode_text); | |
560 | ||
561 | static const char *hpf_mode_text[] = { | |
562 | "Hi-fi", "Voice 1", "Voice 2", "Voice 3" | |
563 | }; | |
564 | ||
565 | static const struct soc_enum hpf_mode = | |
566 | SOC_ENUM_SINGLE(WM8904_ADC_DIGITAL_0, 5, 4, hpf_mode_text); | |
567 | ||
9b85fc90 MB |
568 | static int wm8904_adc_osr_put(struct snd_kcontrol *kcontrol, |
569 | struct snd_ctl_elem_value *ucontrol) | |
570 | { | |
571 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
572 | unsigned int val; | |
573 | int ret; | |
574 | ||
575 | ret = snd_soc_put_volsw(kcontrol, ucontrol); | |
576 | if (ret < 0) | |
577 | return ret; | |
578 | ||
579 | if (ucontrol->value.integer.value[0]) | |
580 | val = 0; | |
581 | else | |
582 | val = WM8904_ADC_128_OSR_TST_MODE | WM8904_ADC_BIASX1P5; | |
583 | ||
584 | snd_soc_update_bits(codec, WM8904_ADC_TEST_0, | |
585 | WM8904_ADC_128_OSR_TST_MODE | WM8904_ADC_BIASX1P5, | |
586 | val); | |
587 | ||
588 | return ret; | |
589 | } | |
590 | ||
a91eb199 MB |
591 | static const struct snd_kcontrol_new wm8904_adc_snd_controls[] = { |
592 | SOC_DOUBLE_R_TLV("Digital Capture Volume", WM8904_ADC_DIGITAL_VOLUME_LEFT, | |
593 | WM8904_ADC_DIGITAL_VOLUME_RIGHT, 1, 119, 0, digital_tlv), | |
594 | ||
595 | SOC_ENUM("Left Caputure Mode", lin_mode), | |
596 | SOC_ENUM("Right Capture Mode", rin_mode), | |
597 | ||
598 | /* No TLV since it depends on mode */ | |
599 | SOC_DOUBLE_R("Capture Volume", WM8904_ANALOGUE_LEFT_INPUT_0, | |
600 | WM8904_ANALOGUE_RIGHT_INPUT_0, 0, 31, 0), | |
601 | SOC_DOUBLE_R("Capture Switch", WM8904_ANALOGUE_LEFT_INPUT_0, | |
5a7c5f26 | 602 | WM8904_ANALOGUE_RIGHT_INPUT_0, 7, 1, 1), |
a91eb199 MB |
603 | |
604 | SOC_SINGLE("High Pass Filter Switch", WM8904_ADC_DIGITAL_0, 4, 1, 0), | |
605 | SOC_ENUM("High Pass Filter Mode", hpf_mode), | |
5a68bae2 LPC |
606 | SOC_SINGLE_EXT("ADC 128x OSR Switch", WM8904_ANALOGUE_ADC_0, 0, 1, 0, |
607 | snd_soc_get_volsw, wm8904_adc_osr_put), | |
a91eb199 MB |
608 | }; |
609 | ||
610 | static const char *drc_path_text[] = { | |
611 | "ADC", "DAC" | |
612 | }; | |
613 | ||
614 | static const struct soc_enum drc_path = | |
615 | SOC_ENUM_SINGLE(WM8904_DRC_0, 14, 2, drc_path_text); | |
616 | ||
617 | static const struct snd_kcontrol_new wm8904_dac_snd_controls[] = { | |
618 | SOC_SINGLE_TLV("Digital Playback Boost Volume", | |
619 | WM8904_AUDIO_INTERFACE_0, 9, 3, 0, dac_boost_tlv), | |
620 | SOC_DOUBLE_R_TLV("Digital Playback Volume", WM8904_DAC_DIGITAL_VOLUME_LEFT, | |
621 | WM8904_DAC_DIGITAL_VOLUME_RIGHT, 1, 96, 0, digital_tlv), | |
622 | ||
623 | SOC_DOUBLE_R_TLV("Headphone Volume", WM8904_ANALOGUE_OUT1_LEFT, | |
624 | WM8904_ANALOGUE_OUT1_RIGHT, 0, 63, 0, out_tlv), | |
625 | SOC_DOUBLE_R("Headphone Switch", WM8904_ANALOGUE_OUT1_LEFT, | |
626 | WM8904_ANALOGUE_OUT1_RIGHT, 8, 1, 1), | |
627 | SOC_DOUBLE_R("Headphone ZC Switch", WM8904_ANALOGUE_OUT1_LEFT, | |
628 | WM8904_ANALOGUE_OUT1_RIGHT, 6, 1, 0), | |
629 | ||
630 | SOC_DOUBLE_R_TLV("Line Output Volume", WM8904_ANALOGUE_OUT2_LEFT, | |
631 | WM8904_ANALOGUE_OUT2_RIGHT, 0, 63, 0, out_tlv), | |
632 | SOC_DOUBLE_R("Line Output Switch", WM8904_ANALOGUE_OUT2_LEFT, | |
633 | WM8904_ANALOGUE_OUT2_RIGHT, 8, 1, 1), | |
634 | SOC_DOUBLE_R("Line Output ZC Switch", WM8904_ANALOGUE_OUT2_LEFT, | |
635 | WM8904_ANALOGUE_OUT2_RIGHT, 6, 1, 0), | |
636 | ||
637 | SOC_SINGLE("EQ Switch", WM8904_EQ1, 0, 1, 0), | |
638 | SOC_SINGLE("DRC Switch", WM8904_DRC_0, 15, 1, 0), | |
639 | SOC_ENUM("DRC Path", drc_path), | |
640 | SOC_SINGLE("DAC OSRx2 Switch", WM8904_DAC_DIGITAL_1, 6, 1, 0), | |
641 | SOC_SINGLE_BOOL_EXT("DAC Deemphasis Switch", 0, | |
642 | wm8904_get_deemph, wm8904_put_deemph), | |
643 | }; | |
644 | ||
645 | static const struct snd_kcontrol_new wm8904_snd_controls[] = { | |
646 | SOC_DOUBLE_TLV("Digital Sidetone Volume", WM8904_DAC_DIGITAL_0, 4, 8, 15, 0, | |
647 | sidetone_tlv), | |
648 | }; | |
649 | ||
650 | static const struct snd_kcontrol_new wm8904_eq_controls[] = { | |
651 | SOC_SINGLE_TLV("EQ1 Volume", WM8904_EQ2, 0, 24, 0, eq_tlv), | |
652 | SOC_SINGLE_TLV("EQ2 Volume", WM8904_EQ3, 0, 24, 0, eq_tlv), | |
653 | SOC_SINGLE_TLV("EQ3 Volume", WM8904_EQ4, 0, 24, 0, eq_tlv), | |
654 | SOC_SINGLE_TLV("EQ4 Volume", WM8904_EQ5, 0, 24, 0, eq_tlv), | |
655 | SOC_SINGLE_TLV("EQ5 Volume", WM8904_EQ6, 0, 24, 0, eq_tlv), | |
656 | }; | |
657 | ||
658 | static int cp_event(struct snd_soc_dapm_widget *w, | |
659 | struct snd_kcontrol *kcontrol, int event) | |
660 | { | |
4c8d620a TI |
661 | if (WARN_ON(event != SND_SOC_DAPM_POST_PMU)) |
662 | return -EINVAL; | |
a91eb199 MB |
663 | |
664 | /* Maximum startup time */ | |
665 | udelay(500); | |
666 | ||
667 | return 0; | |
668 | } | |
669 | ||
670 | static int sysclk_event(struct snd_soc_dapm_widget *w, | |
671 | struct snd_kcontrol *kcontrol, int event) | |
672 | { | |
673 | struct snd_soc_codec *codec = w->codec; | |
b2c812e2 | 674 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
675 | |
676 | switch (event) { | |
677 | case SND_SOC_DAPM_PRE_PMU: | |
678 | /* If we're using the FLL then we only start it when | |
679 | * required; we assume that the configuration has been | |
680 | * done previously and all we need to do is kick it | |
681 | * off. | |
682 | */ | |
683 | switch (wm8904->sysclk_src) { | |
684 | case WM8904_CLK_FLL: | |
685 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, | |
686 | WM8904_FLL_OSC_ENA, | |
687 | WM8904_FLL_OSC_ENA); | |
688 | ||
689 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, | |
690 | WM8904_FLL_ENA, | |
691 | WM8904_FLL_ENA); | |
692 | break; | |
693 | ||
694 | default: | |
695 | break; | |
696 | } | |
697 | break; | |
698 | ||
699 | case SND_SOC_DAPM_POST_PMD: | |
700 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, | |
701 | WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); | |
702 | break; | |
703 | } | |
704 | ||
705 | return 0; | |
706 | } | |
707 | ||
708 | static int out_pga_event(struct snd_soc_dapm_widget *w, | |
709 | struct snd_kcontrol *kcontrol, int event) | |
710 | { | |
711 | struct snd_soc_codec *codec = w->codec; | |
b2c812e2 | 712 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
713 | int reg, val; |
714 | int dcs_mask; | |
715 | int dcs_l, dcs_r; | |
716 | int dcs_l_reg, dcs_r_reg; | |
717 | int timeout; | |
e4bc6696 | 718 | int pwr_reg; |
a91eb199 MB |
719 | |
720 | /* This code is shared between HP and LINEOUT; we do all our | |
721 | * power management in stereo pairs to avoid latency issues so | |
722 | * we reuse shift to identify which rather than strcmp() the | |
723 | * name. */ | |
724 | reg = w->shift; | |
725 | ||
726 | switch (reg) { | |
727 | case WM8904_ANALOGUE_HP_0: | |
e4bc6696 | 728 | pwr_reg = WM8904_POWER_MANAGEMENT_2; |
a91eb199 MB |
729 | dcs_mask = WM8904_DCS_ENA_CHAN_0 | WM8904_DCS_ENA_CHAN_1; |
730 | dcs_r_reg = WM8904_DC_SERVO_8; | |
731 | dcs_l_reg = WM8904_DC_SERVO_9; | |
732 | dcs_l = 0; | |
733 | dcs_r = 1; | |
734 | break; | |
735 | case WM8904_ANALOGUE_LINEOUT_0: | |
e4bc6696 | 736 | pwr_reg = WM8904_POWER_MANAGEMENT_3; |
a91eb199 MB |
737 | dcs_mask = WM8904_DCS_ENA_CHAN_2 | WM8904_DCS_ENA_CHAN_3; |
738 | dcs_r_reg = WM8904_DC_SERVO_6; | |
739 | dcs_l_reg = WM8904_DC_SERVO_7; | |
740 | dcs_l = 2; | |
741 | dcs_r = 3; | |
742 | break; | |
743 | default: | |
8d8bb1ad | 744 | WARN(1, "Invalid reg %d\n", reg); |
a91eb199 MB |
745 | return -EINVAL; |
746 | } | |
747 | ||
748 | switch (event) { | |
e4bc6696 MB |
749 | case SND_SOC_DAPM_PRE_PMU: |
750 | /* Power on the PGAs */ | |
751 | snd_soc_update_bits(codec, pwr_reg, | |
752 | WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA, | |
753 | WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA); | |
754 | ||
a91eb199 MB |
755 | /* Power on the amplifier */ |
756 | snd_soc_update_bits(codec, reg, | |
757 | WM8904_HPL_ENA | WM8904_HPR_ENA, | |
758 | WM8904_HPL_ENA | WM8904_HPR_ENA); | |
759 | ||
e4bc6696 | 760 | |
a91eb199 MB |
761 | /* Enable the first stage */ |
762 | snd_soc_update_bits(codec, reg, | |
763 | WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY, | |
764 | WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY); | |
765 | ||
766 | /* Power up the DC servo */ | |
767 | snd_soc_update_bits(codec, WM8904_DC_SERVO_0, | |
768 | dcs_mask, dcs_mask); | |
769 | ||
770 | /* Either calibrate the DC servo or restore cached state | |
771 | * if we have that. | |
772 | */ | |
773 | if (wm8904->dcs_state[dcs_l] || wm8904->dcs_state[dcs_r]) { | |
774 | dev_dbg(codec->dev, "Restoring DC servo state\n"); | |
775 | ||
776 | snd_soc_write(codec, dcs_l_reg, | |
777 | wm8904->dcs_state[dcs_l]); | |
778 | snd_soc_write(codec, dcs_r_reg, | |
779 | wm8904->dcs_state[dcs_r]); | |
780 | ||
781 | snd_soc_write(codec, WM8904_DC_SERVO_1, dcs_mask); | |
782 | ||
783 | timeout = 20; | |
784 | } else { | |
785 | dev_dbg(codec->dev, "Calibrating DC servo\n"); | |
786 | ||
787 | snd_soc_write(codec, WM8904_DC_SERVO_1, | |
788 | dcs_mask << WM8904_DCS_TRIG_STARTUP_0_SHIFT); | |
789 | ||
790 | timeout = 500; | |
791 | } | |
792 | ||
793 | /* Wait for DC servo to complete */ | |
794 | dcs_mask <<= WM8904_DCS_CAL_COMPLETE_SHIFT; | |
795 | do { | |
796 | val = snd_soc_read(codec, WM8904_DC_SERVO_READBACK_0); | |
797 | if ((val & dcs_mask) == dcs_mask) | |
798 | break; | |
799 | ||
800 | msleep(1); | |
801 | } while (--timeout); | |
802 | ||
803 | if ((val & dcs_mask) != dcs_mask) | |
804 | dev_warn(codec->dev, "DC servo timed out\n"); | |
805 | else | |
806 | dev_dbg(codec->dev, "DC servo ready\n"); | |
807 | ||
808 | /* Enable the output stage */ | |
809 | snd_soc_update_bits(codec, reg, | |
810 | WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP, | |
811 | WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP); | |
e4bc6696 | 812 | break; |
a91eb199 | 813 | |
e4bc6696 | 814 | case SND_SOC_DAPM_POST_PMU: |
a91eb199 MB |
815 | /* Unshort the output itself */ |
816 | snd_soc_update_bits(codec, reg, | |
817 | WM8904_HPL_RMV_SHORT | | |
818 | WM8904_HPR_RMV_SHORT, | |
819 | WM8904_HPL_RMV_SHORT | | |
820 | WM8904_HPR_RMV_SHORT); | |
821 | ||
822 | break; | |
823 | ||
824 | case SND_SOC_DAPM_PRE_PMD: | |
825 | /* Short the output */ | |
826 | snd_soc_update_bits(codec, reg, | |
827 | WM8904_HPL_RMV_SHORT | | |
828 | WM8904_HPR_RMV_SHORT, 0); | |
e4bc6696 | 829 | break; |
a91eb199 | 830 | |
e4bc6696 | 831 | case SND_SOC_DAPM_POST_PMD: |
a91eb199 MB |
832 | /* Cache the DC servo configuration; this will be |
833 | * invalidated if we change the configuration. */ | |
834 | wm8904->dcs_state[dcs_l] = snd_soc_read(codec, dcs_l_reg); | |
835 | wm8904->dcs_state[dcs_r] = snd_soc_read(codec, dcs_r_reg); | |
836 | ||
837 | snd_soc_update_bits(codec, WM8904_DC_SERVO_0, | |
838 | dcs_mask, 0); | |
839 | ||
840 | /* Disable the amplifier input and output stages */ | |
841 | snd_soc_update_bits(codec, reg, | |
842 | WM8904_HPL_ENA | WM8904_HPR_ENA | | |
843 | WM8904_HPL_ENA_DLY | WM8904_HPR_ENA_DLY | | |
844 | WM8904_HPL_ENA_OUTP | WM8904_HPR_ENA_OUTP, | |
845 | 0); | |
e4bc6696 MB |
846 | |
847 | /* PGAs too */ | |
848 | snd_soc_update_bits(codec, pwr_reg, | |
849 | WM8904_HPL_PGA_ENA | WM8904_HPR_PGA_ENA, | |
850 | 0); | |
a91eb199 MB |
851 | break; |
852 | } | |
853 | ||
854 | return 0; | |
855 | } | |
856 | ||
857 | static const char *lin_text[] = { | |
858 | "IN1L", "IN2L", "IN3L" | |
859 | }; | |
860 | ||
861 | static const struct soc_enum lin_enum = | |
862 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 2, 3, lin_text); | |
863 | ||
864 | static const struct snd_kcontrol_new lin_mux = | |
865 | SOC_DAPM_ENUM("Left Capture Mux", lin_enum); | |
866 | ||
867 | static const struct soc_enum lin_inv_enum = | |
868 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_LEFT_INPUT_1, 4, 3, lin_text); | |
869 | ||
870 | static const struct snd_kcontrol_new lin_inv_mux = | |
871 | SOC_DAPM_ENUM("Left Capture Inveting Mux", lin_inv_enum); | |
872 | ||
873 | static const char *rin_text[] = { | |
874 | "IN1R", "IN2R", "IN3R" | |
875 | }; | |
876 | ||
877 | static const struct soc_enum rin_enum = | |
878 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 2, 3, rin_text); | |
879 | ||
880 | static const struct snd_kcontrol_new rin_mux = | |
881 | SOC_DAPM_ENUM("Right Capture Mux", rin_enum); | |
882 | ||
883 | static const struct soc_enum rin_inv_enum = | |
884 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_RIGHT_INPUT_1, 4, 3, rin_text); | |
885 | ||
886 | static const struct snd_kcontrol_new rin_inv_mux = | |
887 | SOC_DAPM_ENUM("Right Capture Inveting Mux", rin_inv_enum); | |
888 | ||
889 | static const char *aif_text[] = { | |
890 | "Left", "Right" | |
891 | }; | |
892 | ||
893 | static const struct soc_enum aifoutl_enum = | |
894 | SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 7, 2, aif_text); | |
895 | ||
896 | static const struct snd_kcontrol_new aifoutl_mux = | |
897 | SOC_DAPM_ENUM("AIFOUTL Mux", aifoutl_enum); | |
898 | ||
899 | static const struct soc_enum aifoutr_enum = | |
900 | SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 6, 2, aif_text); | |
901 | ||
902 | static const struct snd_kcontrol_new aifoutr_mux = | |
903 | SOC_DAPM_ENUM("AIFOUTR Mux", aifoutr_enum); | |
904 | ||
905 | static const struct soc_enum aifinl_enum = | |
906 | SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 5, 2, aif_text); | |
907 | ||
908 | static const struct snd_kcontrol_new aifinl_mux = | |
909 | SOC_DAPM_ENUM("AIFINL Mux", aifinl_enum); | |
910 | ||
911 | static const struct soc_enum aifinr_enum = | |
912 | SOC_ENUM_SINGLE(WM8904_AUDIO_INTERFACE_0, 4, 2, aif_text); | |
913 | ||
914 | static const struct snd_kcontrol_new aifinr_mux = | |
915 | SOC_DAPM_ENUM("AIFINR Mux", aifinr_enum); | |
916 | ||
917 | static const struct snd_soc_dapm_widget wm8904_core_dapm_widgets[] = { | |
918 | SND_SOC_DAPM_SUPPLY("SYSCLK", WM8904_CLOCK_RATES_2, 2, 0, sysclk_event, | |
919 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), | |
920 | SND_SOC_DAPM_SUPPLY("CLK_DSP", WM8904_CLOCK_RATES_2, 1, 0, NULL, 0), | |
921 | SND_SOC_DAPM_SUPPLY("TOCLK", WM8904_CLOCK_RATES_2, 0, 0, NULL, 0), | |
922 | }; | |
923 | ||
924 | static const struct snd_soc_dapm_widget wm8904_adc_dapm_widgets[] = { | |
925 | SND_SOC_DAPM_INPUT("IN1L"), | |
926 | SND_SOC_DAPM_INPUT("IN1R"), | |
927 | SND_SOC_DAPM_INPUT("IN2L"), | |
928 | SND_SOC_DAPM_INPUT("IN2R"), | |
929 | SND_SOC_DAPM_INPUT("IN3L"), | |
930 | SND_SOC_DAPM_INPUT("IN3R"), | |
931 | ||
dcd658c5 | 932 | SND_SOC_DAPM_SUPPLY("MICBIAS", WM8904_MIC_BIAS_CONTROL_0, 0, 0, NULL, 0), |
a91eb199 MB |
933 | |
934 | SND_SOC_DAPM_MUX("Left Capture Mux", SND_SOC_NOPM, 0, 0, &lin_mux), | |
935 | SND_SOC_DAPM_MUX("Left Capture Inverting Mux", SND_SOC_NOPM, 0, 0, | |
936 | &lin_inv_mux), | |
937 | SND_SOC_DAPM_MUX("Right Capture Mux", SND_SOC_NOPM, 0, 0, &rin_mux), | |
938 | SND_SOC_DAPM_MUX("Right Capture Inverting Mux", SND_SOC_NOPM, 0, 0, | |
939 | &rin_inv_mux), | |
940 | ||
941 | SND_SOC_DAPM_PGA("Left Capture PGA", WM8904_POWER_MANAGEMENT_0, 1, 0, | |
942 | NULL, 0), | |
943 | SND_SOC_DAPM_PGA("Right Capture PGA", WM8904_POWER_MANAGEMENT_0, 0, 0, | |
944 | NULL, 0), | |
945 | ||
946 | SND_SOC_DAPM_ADC("ADCL", NULL, WM8904_POWER_MANAGEMENT_6, 1, 0), | |
947 | SND_SOC_DAPM_ADC("ADCR", NULL, WM8904_POWER_MANAGEMENT_6, 0, 0), | |
948 | ||
949 | SND_SOC_DAPM_MUX("AIFOUTL Mux", SND_SOC_NOPM, 0, 0, &aifoutl_mux), | |
950 | SND_SOC_DAPM_MUX("AIFOUTR Mux", SND_SOC_NOPM, 0, 0, &aifoutr_mux), | |
951 | ||
952 | SND_SOC_DAPM_AIF_OUT("AIFOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0), | |
953 | SND_SOC_DAPM_AIF_OUT("AIFOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0), | |
954 | }; | |
955 | ||
956 | static const struct snd_soc_dapm_widget wm8904_dac_dapm_widgets[] = { | |
957 | SND_SOC_DAPM_AIF_IN("AIFINL", "Playback", 0, SND_SOC_NOPM, 0, 0), | |
958 | SND_SOC_DAPM_AIF_IN("AIFINR", "Playback", 1, SND_SOC_NOPM, 0, 0), | |
959 | ||
960 | SND_SOC_DAPM_MUX("DACL Mux", SND_SOC_NOPM, 0, 0, &aifinl_mux), | |
961 | SND_SOC_DAPM_MUX("DACR Mux", SND_SOC_NOPM, 0, 0, &aifinr_mux), | |
962 | ||
963 | SND_SOC_DAPM_DAC("DACL", NULL, WM8904_POWER_MANAGEMENT_6, 3, 0), | |
964 | SND_SOC_DAPM_DAC("DACR", NULL, WM8904_POWER_MANAGEMENT_6, 2, 0), | |
965 | ||
966 | SND_SOC_DAPM_SUPPLY("Charge pump", WM8904_CHARGE_PUMP_0, 0, 0, cp_event, | |
967 | SND_SOC_DAPM_POST_PMU), | |
968 | ||
e4bc6696 MB |
969 | SND_SOC_DAPM_PGA("HPL PGA", SND_SOC_NOPM, 1, 0, NULL, 0), |
970 | SND_SOC_DAPM_PGA("HPR PGA", SND_SOC_NOPM, 0, 0, NULL, 0), | |
a91eb199 | 971 | |
e4bc6696 MB |
972 | SND_SOC_DAPM_PGA("LINEL PGA", SND_SOC_NOPM, 1, 0, NULL, 0), |
973 | SND_SOC_DAPM_PGA("LINER PGA", SND_SOC_NOPM, 0, 0, NULL, 0), | |
a91eb199 MB |
974 | |
975 | SND_SOC_DAPM_PGA_E("Headphone Output", SND_SOC_NOPM, WM8904_ANALOGUE_HP_0, | |
976 | 0, NULL, 0, out_pga_event, | |
e4bc6696 MB |
977 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | |
978 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), | |
a91eb199 MB |
979 | SND_SOC_DAPM_PGA_E("Line Output", SND_SOC_NOPM, WM8904_ANALOGUE_LINEOUT_0, |
980 | 0, NULL, 0, out_pga_event, | |
e4bc6696 MB |
981 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | |
982 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), | |
a91eb199 MB |
983 | |
984 | SND_SOC_DAPM_OUTPUT("HPOUTL"), | |
985 | SND_SOC_DAPM_OUTPUT("HPOUTR"), | |
986 | SND_SOC_DAPM_OUTPUT("LINEOUTL"), | |
987 | SND_SOC_DAPM_OUTPUT("LINEOUTR"), | |
988 | }; | |
989 | ||
990 | static const char *out_mux_text[] = { | |
991 | "DAC", "Bypass" | |
992 | }; | |
993 | ||
994 | static const struct soc_enum hpl_enum = | |
995 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 3, 2, out_mux_text); | |
996 | ||
997 | static const struct snd_kcontrol_new hpl_mux = | |
998 | SOC_DAPM_ENUM("HPL Mux", hpl_enum); | |
999 | ||
1000 | static const struct soc_enum hpr_enum = | |
1001 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 2, 2, out_mux_text); | |
1002 | ||
1003 | static const struct snd_kcontrol_new hpr_mux = | |
1004 | SOC_DAPM_ENUM("HPR Mux", hpr_enum); | |
1005 | ||
1006 | static const struct soc_enum linel_enum = | |
1007 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 1, 2, out_mux_text); | |
1008 | ||
1009 | static const struct snd_kcontrol_new linel_mux = | |
1010 | SOC_DAPM_ENUM("LINEL Mux", linel_enum); | |
1011 | ||
1012 | static const struct soc_enum liner_enum = | |
1013 | SOC_ENUM_SINGLE(WM8904_ANALOGUE_OUT12_ZC, 0, 2, out_mux_text); | |
1014 | ||
1015 | static const struct snd_kcontrol_new liner_mux = | |
e94a093c | 1016 | SOC_DAPM_ENUM("LINER Mux", liner_enum); |
a91eb199 MB |
1017 | |
1018 | static const char *sidetone_text[] = { | |
1019 | "None", "Left", "Right" | |
1020 | }; | |
1021 | ||
1022 | static const struct soc_enum dacl_sidetone_enum = | |
1023 | SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 2, 3, sidetone_text); | |
1024 | ||
1025 | static const struct snd_kcontrol_new dacl_sidetone_mux = | |
1026 | SOC_DAPM_ENUM("Left Sidetone Mux", dacl_sidetone_enum); | |
1027 | ||
1028 | static const struct soc_enum dacr_sidetone_enum = | |
1029 | SOC_ENUM_SINGLE(WM8904_DAC_DIGITAL_0, 0, 3, sidetone_text); | |
1030 | ||
1031 | static const struct snd_kcontrol_new dacr_sidetone_mux = | |
1032 | SOC_DAPM_ENUM("Right Sidetone Mux", dacr_sidetone_enum); | |
1033 | ||
1034 | static const struct snd_soc_dapm_widget wm8904_dapm_widgets[] = { | |
1035 | SND_SOC_DAPM_SUPPLY("Class G", WM8904_CLASS_W_0, 0, 1, NULL, 0), | |
1036 | SND_SOC_DAPM_PGA("Left Bypass", SND_SOC_NOPM, 0, 0, NULL, 0), | |
1037 | SND_SOC_DAPM_PGA("Right Bypass", SND_SOC_NOPM, 0, 0, NULL, 0), | |
1038 | ||
1039 | SND_SOC_DAPM_MUX("Left Sidetone", SND_SOC_NOPM, 0, 0, &dacl_sidetone_mux), | |
1040 | SND_SOC_DAPM_MUX("Right Sidetone", SND_SOC_NOPM, 0, 0, &dacr_sidetone_mux), | |
1041 | ||
1042 | SND_SOC_DAPM_MUX("HPL Mux", SND_SOC_NOPM, 0, 0, &hpl_mux), | |
1043 | SND_SOC_DAPM_MUX("HPR Mux", SND_SOC_NOPM, 0, 0, &hpr_mux), | |
1044 | SND_SOC_DAPM_MUX("LINEL Mux", SND_SOC_NOPM, 0, 0, &linel_mux), | |
1045 | SND_SOC_DAPM_MUX("LINER Mux", SND_SOC_NOPM, 0, 0, &liner_mux), | |
1046 | }; | |
1047 | ||
1048 | static const struct snd_soc_dapm_route core_intercon[] = { | |
1049 | { "CLK_DSP", NULL, "SYSCLK" }, | |
1050 | { "TOCLK", NULL, "SYSCLK" }, | |
1051 | }; | |
1052 | ||
1053 | static const struct snd_soc_dapm_route adc_intercon[] = { | |
1054 | { "Left Capture Mux", "IN1L", "IN1L" }, | |
1055 | { "Left Capture Mux", "IN2L", "IN2L" }, | |
1056 | { "Left Capture Mux", "IN3L", "IN3L" }, | |
1057 | ||
1058 | { "Left Capture Inverting Mux", "IN1L", "IN1L" }, | |
1059 | { "Left Capture Inverting Mux", "IN2L", "IN2L" }, | |
1060 | { "Left Capture Inverting Mux", "IN3L", "IN3L" }, | |
1061 | ||
1062 | { "Right Capture Mux", "IN1R", "IN1R" }, | |
1063 | { "Right Capture Mux", "IN2R", "IN2R" }, | |
1064 | { "Right Capture Mux", "IN3R", "IN3R" }, | |
1065 | ||
1066 | { "Right Capture Inverting Mux", "IN1R", "IN1R" }, | |
1067 | { "Right Capture Inverting Mux", "IN2R", "IN2R" }, | |
1068 | { "Right Capture Inverting Mux", "IN3R", "IN3R" }, | |
1069 | ||
1070 | { "Left Capture PGA", NULL, "Left Capture Mux" }, | |
1071 | { "Left Capture PGA", NULL, "Left Capture Inverting Mux" }, | |
1072 | ||
1073 | { "Right Capture PGA", NULL, "Right Capture Mux" }, | |
1074 | { "Right Capture PGA", NULL, "Right Capture Inverting Mux" }, | |
1075 | ||
1076 | { "AIFOUTL", "Left", "ADCL" }, | |
1077 | { "AIFOUTL", "Right", "ADCR" }, | |
1078 | { "AIFOUTR", "Left", "ADCL" }, | |
1079 | { "AIFOUTR", "Right", "ADCR" }, | |
1080 | ||
1081 | { "ADCL", NULL, "CLK_DSP" }, | |
1082 | { "ADCL", NULL, "Left Capture PGA" }, | |
1083 | ||
1084 | { "ADCR", NULL, "CLK_DSP" }, | |
1085 | { "ADCR", NULL, "Right Capture PGA" }, | |
1086 | }; | |
1087 | ||
1088 | static const struct snd_soc_dapm_route dac_intercon[] = { | |
1089 | { "DACL", "Right", "AIFINR" }, | |
1090 | { "DACL", "Left", "AIFINL" }, | |
1091 | { "DACL", NULL, "CLK_DSP" }, | |
1092 | ||
1093 | { "DACR", "Right", "AIFINR" }, | |
1094 | { "DACR", "Left", "AIFINL" }, | |
1095 | { "DACR", NULL, "CLK_DSP" }, | |
1096 | ||
1097 | { "Charge pump", NULL, "SYSCLK" }, | |
1098 | ||
1099 | { "Headphone Output", NULL, "HPL PGA" }, | |
1100 | { "Headphone Output", NULL, "HPR PGA" }, | |
1101 | { "Headphone Output", NULL, "Charge pump" }, | |
1102 | { "Headphone Output", NULL, "TOCLK" }, | |
1103 | ||
1104 | { "Line Output", NULL, "LINEL PGA" }, | |
1105 | { "Line Output", NULL, "LINER PGA" }, | |
1106 | { "Line Output", NULL, "Charge pump" }, | |
1107 | { "Line Output", NULL, "TOCLK" }, | |
1108 | ||
1109 | { "HPOUTL", NULL, "Headphone Output" }, | |
1110 | { "HPOUTR", NULL, "Headphone Output" }, | |
1111 | ||
1112 | { "LINEOUTL", NULL, "Line Output" }, | |
1113 | { "LINEOUTR", NULL, "Line Output" }, | |
1114 | }; | |
1115 | ||
1116 | static const struct snd_soc_dapm_route wm8904_intercon[] = { | |
1117 | { "Left Sidetone", "Left", "ADCL" }, | |
1118 | { "Left Sidetone", "Right", "ADCR" }, | |
1119 | { "DACL", NULL, "Left Sidetone" }, | |
1120 | ||
1121 | { "Right Sidetone", "Left", "ADCL" }, | |
1122 | { "Right Sidetone", "Right", "ADCR" }, | |
1123 | { "DACR", NULL, "Right Sidetone" }, | |
1124 | ||
1125 | { "Left Bypass", NULL, "Class G" }, | |
1126 | { "Left Bypass", NULL, "Left Capture PGA" }, | |
1127 | ||
1128 | { "Right Bypass", NULL, "Class G" }, | |
1129 | { "Right Bypass", NULL, "Right Capture PGA" }, | |
1130 | ||
1131 | { "HPL Mux", "DAC", "DACL" }, | |
1132 | { "HPL Mux", "Bypass", "Left Bypass" }, | |
1133 | ||
1134 | { "HPR Mux", "DAC", "DACR" }, | |
1135 | { "HPR Mux", "Bypass", "Right Bypass" }, | |
1136 | ||
1137 | { "LINEL Mux", "DAC", "DACL" }, | |
1138 | { "LINEL Mux", "Bypass", "Left Bypass" }, | |
1139 | ||
1140 | { "LINER Mux", "DAC", "DACR" }, | |
1141 | { "LINER Mux", "Bypass", "Right Bypass" }, | |
1142 | ||
1143 | { "HPL PGA", NULL, "HPL Mux" }, | |
1144 | { "HPR PGA", NULL, "HPR Mux" }, | |
1145 | ||
1146 | { "LINEL PGA", NULL, "LINEL Mux" }, | |
1147 | { "LINER PGA", NULL, "LINER Mux" }, | |
1148 | }; | |
1149 | ||
8c126474 MB |
1150 | static const struct snd_soc_dapm_route wm8912_intercon[] = { |
1151 | { "HPL PGA", NULL, "DACL" }, | |
1152 | { "HPR PGA", NULL, "DACR" }, | |
1153 | ||
1154 | { "LINEL PGA", NULL, "DACL" }, | |
1155 | { "LINER PGA", NULL, "DACR" }, | |
1156 | }; | |
1157 | ||
a91eb199 MB |
1158 | static int wm8904_add_widgets(struct snd_soc_codec *codec) |
1159 | { | |
b2c812e2 | 1160 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
ce6120cc | 1161 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
a91eb199 | 1162 | |
ce6120cc | 1163 | snd_soc_dapm_new_controls(dapm, wm8904_core_dapm_widgets, |
a91eb199 | 1164 | ARRAY_SIZE(wm8904_core_dapm_widgets)); |
ce6120cc | 1165 | snd_soc_dapm_add_routes(dapm, core_intercon, |
a91eb199 | 1166 | ARRAY_SIZE(core_intercon)); |
8c126474 MB |
1167 | |
1168 | switch (wm8904->devtype) { | |
1169 | case WM8904: | |
022658be | 1170 | snd_soc_add_codec_controls(codec, wm8904_adc_snd_controls, |
8c126474 | 1171 | ARRAY_SIZE(wm8904_adc_snd_controls)); |
022658be | 1172 | snd_soc_add_codec_controls(codec, wm8904_dac_snd_controls, |
8c126474 | 1173 | ARRAY_SIZE(wm8904_dac_snd_controls)); |
022658be | 1174 | snd_soc_add_codec_controls(codec, wm8904_snd_controls, |
8c126474 MB |
1175 | ARRAY_SIZE(wm8904_snd_controls)); |
1176 | ||
ce6120cc | 1177 | snd_soc_dapm_new_controls(dapm, wm8904_adc_dapm_widgets, |
8c126474 | 1178 | ARRAY_SIZE(wm8904_adc_dapm_widgets)); |
ce6120cc | 1179 | snd_soc_dapm_new_controls(dapm, wm8904_dac_dapm_widgets, |
8c126474 | 1180 | ARRAY_SIZE(wm8904_dac_dapm_widgets)); |
ce6120cc | 1181 | snd_soc_dapm_new_controls(dapm, wm8904_dapm_widgets, |
8c126474 MB |
1182 | ARRAY_SIZE(wm8904_dapm_widgets)); |
1183 | ||
ce6120cc | 1184 | snd_soc_dapm_add_routes(dapm, adc_intercon, |
8c126474 | 1185 | ARRAY_SIZE(adc_intercon)); |
ce6120cc | 1186 | snd_soc_dapm_add_routes(dapm, dac_intercon, |
8c126474 | 1187 | ARRAY_SIZE(dac_intercon)); |
ce6120cc | 1188 | snd_soc_dapm_add_routes(dapm, wm8904_intercon, |
8c126474 MB |
1189 | ARRAY_SIZE(wm8904_intercon)); |
1190 | break; | |
1191 | ||
1192 | case WM8912: | |
022658be | 1193 | snd_soc_add_codec_controls(codec, wm8904_dac_snd_controls, |
8c126474 MB |
1194 | ARRAY_SIZE(wm8904_dac_snd_controls)); |
1195 | ||
ce6120cc | 1196 | snd_soc_dapm_new_controls(dapm, wm8904_dac_dapm_widgets, |
8c126474 MB |
1197 | ARRAY_SIZE(wm8904_dac_dapm_widgets)); |
1198 | ||
ce6120cc | 1199 | snd_soc_dapm_add_routes(dapm, dac_intercon, |
8c126474 | 1200 | ARRAY_SIZE(dac_intercon)); |
ce6120cc | 1201 | snd_soc_dapm_add_routes(dapm, wm8912_intercon, |
8c126474 MB |
1202 | ARRAY_SIZE(wm8912_intercon)); |
1203 | break; | |
1204 | } | |
a91eb199 | 1205 | |
a91eb199 MB |
1206 | return 0; |
1207 | } | |
1208 | ||
1209 | static struct { | |
1210 | int ratio; | |
1211 | unsigned int clk_sys_rate; | |
1212 | } clk_sys_rates[] = { | |
1213 | { 64, 0 }, | |
1214 | { 128, 1 }, | |
1215 | { 192, 2 }, | |
1216 | { 256, 3 }, | |
1217 | { 384, 4 }, | |
1218 | { 512, 5 }, | |
1219 | { 786, 6 }, | |
1220 | { 1024, 7 }, | |
1221 | { 1408, 8 }, | |
1222 | { 1536, 9 }, | |
1223 | }; | |
1224 | ||
1225 | static struct { | |
1226 | int rate; | |
1227 | int sample_rate; | |
1228 | } sample_rates[] = { | |
1229 | { 8000, 0 }, | |
1230 | { 11025, 1 }, | |
1231 | { 12000, 1 }, | |
1232 | { 16000, 2 }, | |
1233 | { 22050, 3 }, | |
1234 | { 24000, 3 }, | |
1235 | { 32000, 4 }, | |
1236 | { 44100, 5 }, | |
1237 | { 48000, 5 }, | |
1238 | }; | |
1239 | ||
1240 | static struct { | |
1241 | int div; /* *10 due to .5s */ | |
1242 | int bclk_div; | |
1243 | } bclk_divs[] = { | |
1244 | { 10, 0 }, | |
1245 | { 15, 1 }, | |
1246 | { 20, 2 }, | |
1247 | { 30, 3 }, | |
1248 | { 40, 4 }, | |
1249 | { 50, 5 }, | |
1250 | { 55, 6 }, | |
1251 | { 60, 7 }, | |
1252 | { 80, 8 }, | |
1253 | { 100, 9 }, | |
1254 | { 110, 10 }, | |
1255 | { 120, 11 }, | |
1256 | { 160, 12 }, | |
1257 | { 200, 13 }, | |
1258 | { 220, 14 }, | |
1259 | { 240, 16 }, | |
1260 | { 200, 17 }, | |
1261 | { 320, 18 }, | |
1262 | { 440, 19 }, | |
1263 | { 480, 20 }, | |
1264 | }; | |
1265 | ||
1266 | ||
1267 | static int wm8904_hw_params(struct snd_pcm_substream *substream, | |
1268 | struct snd_pcm_hw_params *params, | |
1269 | struct snd_soc_dai *dai) | |
1270 | { | |
1271 | struct snd_soc_codec *codec = dai->codec; | |
b2c812e2 | 1272 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
1273 | int ret, i, best, best_val, cur_val; |
1274 | unsigned int aif1 = 0; | |
1275 | unsigned int aif2 = 0; | |
1276 | unsigned int aif3 = 0; | |
1277 | unsigned int clock1 = 0; | |
1278 | unsigned int dac_digital1 = 0; | |
1279 | ||
1280 | /* What BCLK do we need? */ | |
1281 | wm8904->fs = params_rate(params); | |
1282 | if (wm8904->tdm_slots) { | |
1283 | dev_dbg(codec->dev, "Configuring for %d %d bit TDM slots\n", | |
1284 | wm8904->tdm_slots, wm8904->tdm_width); | |
1285 | wm8904->bclk = snd_soc_calc_bclk(wm8904->fs, | |
1286 | wm8904->tdm_width, 2, | |
1287 | wm8904->tdm_slots); | |
1288 | } else { | |
1289 | wm8904->bclk = snd_soc_params_to_bclk(params); | |
1290 | } | |
1291 | ||
56927eb0 MB |
1292 | switch (params_format(params)) { |
1293 | case SNDRV_PCM_FORMAT_S16_LE: | |
1294 | break; | |
1295 | case SNDRV_PCM_FORMAT_S20_3LE: | |
1296 | aif1 |= 0x40; | |
1297 | break; | |
1298 | case SNDRV_PCM_FORMAT_S24_LE: | |
1299 | aif1 |= 0x80; | |
1300 | break; | |
1301 | case SNDRV_PCM_FORMAT_S32_LE: | |
1302 | aif1 |= 0xc0; | |
1303 | break; | |
1304 | default: | |
1305 | return -EINVAL; | |
1306 | } | |
1307 | ||
1308 | ||
a91eb199 MB |
1309 | dev_dbg(codec->dev, "Target BCLK is %dHz\n", wm8904->bclk); |
1310 | ||
1311 | ret = wm8904_configure_clocking(codec); | |
1312 | if (ret != 0) | |
1313 | return ret; | |
1314 | ||
1315 | /* Select nearest CLK_SYS_RATE */ | |
1316 | best = 0; | |
1317 | best_val = abs((wm8904->sysclk_rate / clk_sys_rates[0].ratio) | |
1318 | - wm8904->fs); | |
1319 | for (i = 1; i < ARRAY_SIZE(clk_sys_rates); i++) { | |
1320 | cur_val = abs((wm8904->sysclk_rate / | |
ef995e3a | 1321 | clk_sys_rates[i].ratio) - wm8904->fs); |
a91eb199 MB |
1322 | if (cur_val < best_val) { |
1323 | best = i; | |
1324 | best_val = cur_val; | |
1325 | } | |
1326 | } | |
1327 | dev_dbg(codec->dev, "Selected CLK_SYS_RATIO of %d\n", | |
1328 | clk_sys_rates[best].ratio); | |
1329 | clock1 |= (clk_sys_rates[best].clk_sys_rate | |
1330 | << WM8904_CLK_SYS_RATE_SHIFT); | |
1331 | ||
1332 | /* SAMPLE_RATE */ | |
1333 | best = 0; | |
1334 | best_val = abs(wm8904->fs - sample_rates[0].rate); | |
1335 | for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { | |
1336 | /* Closest match */ | |
1337 | cur_val = abs(wm8904->fs - sample_rates[i].rate); | |
1338 | if (cur_val < best_val) { | |
1339 | best = i; | |
1340 | best_val = cur_val; | |
1341 | } | |
1342 | } | |
1343 | dev_dbg(codec->dev, "Selected SAMPLE_RATE of %dHz\n", | |
1344 | sample_rates[best].rate); | |
1345 | clock1 |= (sample_rates[best].sample_rate | |
1346 | << WM8904_SAMPLE_RATE_SHIFT); | |
1347 | ||
1348 | /* Enable sloping stopband filter for low sample rates */ | |
1349 | if (wm8904->fs <= 24000) | |
1350 | dac_digital1 |= WM8904_DAC_SB_FILT; | |
1351 | ||
1352 | /* BCLK_DIV */ | |
1353 | best = 0; | |
1354 | best_val = INT_MAX; | |
1355 | for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { | |
1356 | cur_val = ((wm8904->sysclk_rate * 10) / bclk_divs[i].div) | |
1357 | - wm8904->bclk; | |
1358 | if (cur_val < 0) /* Table is sorted */ | |
1359 | break; | |
1360 | if (cur_val < best_val) { | |
1361 | best = i; | |
1362 | best_val = cur_val; | |
1363 | } | |
1364 | } | |
1365 | wm8904->bclk = (wm8904->sysclk_rate * 10) / bclk_divs[best].div; | |
1366 | dev_dbg(codec->dev, "Selected BCLK_DIV of %d for %dHz BCLK\n", | |
1367 | bclk_divs[best].div, wm8904->bclk); | |
1368 | aif2 |= bclk_divs[best].bclk_div; | |
1369 | ||
1370 | /* LRCLK is a simple fraction of BCLK */ | |
1371 | dev_dbg(codec->dev, "LRCLK_RATE is %d\n", wm8904->bclk / wm8904->fs); | |
1372 | aif3 |= wm8904->bclk / wm8904->fs; | |
1373 | ||
1374 | /* Apply the settings */ | |
1375 | snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, | |
1376 | WM8904_DAC_SB_FILT, dac_digital1); | |
1377 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1, | |
1378 | WM8904_AIF_WL_MASK, aif1); | |
1379 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_2, | |
1380 | WM8904_BCLK_DIV_MASK, aif2); | |
1381 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3, | |
1382 | WM8904_LRCLK_RATE_MASK, aif3); | |
1383 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_1, | |
1384 | WM8904_SAMPLE_RATE_MASK | | |
1385 | WM8904_CLK_SYS_RATE_MASK, clock1); | |
1386 | ||
1387 | /* Update filters for the new settings */ | |
1388 | wm8904_set_retune_mobile(codec); | |
1389 | wm8904_set_deemph(codec); | |
1390 | ||
1391 | return 0; | |
1392 | } | |
1393 | ||
1394 | ||
1395 | static int wm8904_set_sysclk(struct snd_soc_dai *dai, int clk_id, | |
1396 | unsigned int freq, int dir) | |
1397 | { | |
1398 | struct snd_soc_codec *codec = dai->codec; | |
b2c812e2 | 1399 | struct wm8904_priv *priv = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
1400 | |
1401 | switch (clk_id) { | |
1402 | case WM8904_CLK_MCLK: | |
1403 | priv->sysclk_src = clk_id; | |
1404 | priv->mclk_rate = freq; | |
1405 | break; | |
1406 | ||
1407 | case WM8904_CLK_FLL: | |
1408 | priv->sysclk_src = clk_id; | |
1409 | break; | |
1410 | ||
1411 | default: | |
1412 | return -EINVAL; | |
1413 | } | |
1414 | ||
1415 | dev_dbg(dai->dev, "Clock source is %d at %uHz\n", clk_id, freq); | |
1416 | ||
1417 | wm8904_configure_clocking(codec); | |
1418 | ||
1419 | return 0; | |
1420 | } | |
1421 | ||
1422 | static int wm8904_set_fmt(struct snd_soc_dai *dai, unsigned int fmt) | |
1423 | { | |
1424 | struct snd_soc_codec *codec = dai->codec; | |
1425 | unsigned int aif1 = 0; | |
1426 | unsigned int aif3 = 0; | |
1427 | ||
1428 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
1429 | case SND_SOC_DAIFMT_CBS_CFS: | |
1430 | break; | |
1431 | case SND_SOC_DAIFMT_CBS_CFM: | |
1432 | aif3 |= WM8904_LRCLK_DIR; | |
1433 | break; | |
1434 | case SND_SOC_DAIFMT_CBM_CFS: | |
1435 | aif1 |= WM8904_BCLK_DIR; | |
1436 | break; | |
1437 | case SND_SOC_DAIFMT_CBM_CFM: | |
1438 | aif1 |= WM8904_BCLK_DIR; | |
1439 | aif3 |= WM8904_LRCLK_DIR; | |
1440 | break; | |
1441 | default: | |
1442 | return -EINVAL; | |
1443 | } | |
1444 | ||
1445 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1446 | case SND_SOC_DAIFMT_DSP_B: | |
f0199bc5 | 1447 | aif1 |= 0x3 | WM8904_AIF_LRCLK_INV; |
a91eb199 MB |
1448 | case SND_SOC_DAIFMT_DSP_A: |
1449 | aif1 |= 0x3; | |
1450 | break; | |
1451 | case SND_SOC_DAIFMT_I2S: | |
1452 | aif1 |= 0x2; | |
1453 | break; | |
1454 | case SND_SOC_DAIFMT_RIGHT_J: | |
1455 | break; | |
1456 | case SND_SOC_DAIFMT_LEFT_J: | |
1457 | aif1 |= 0x1; | |
1458 | break; | |
1459 | default: | |
1460 | return -EINVAL; | |
1461 | } | |
1462 | ||
1463 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1464 | case SND_SOC_DAIFMT_DSP_A: | |
1465 | case SND_SOC_DAIFMT_DSP_B: | |
1466 | /* frame inversion not valid for DSP modes */ | |
1467 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1468 | case SND_SOC_DAIFMT_NB_NF: | |
1469 | break; | |
1470 | case SND_SOC_DAIFMT_IB_NF: | |
1471 | aif1 |= WM8904_AIF_BCLK_INV; | |
1472 | break; | |
1473 | default: | |
1474 | return -EINVAL; | |
1475 | } | |
1476 | break; | |
1477 | ||
1478 | case SND_SOC_DAIFMT_I2S: | |
1479 | case SND_SOC_DAIFMT_RIGHT_J: | |
1480 | case SND_SOC_DAIFMT_LEFT_J: | |
1481 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1482 | case SND_SOC_DAIFMT_NB_NF: | |
1483 | break; | |
1484 | case SND_SOC_DAIFMT_IB_IF: | |
1485 | aif1 |= WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV; | |
1486 | break; | |
1487 | case SND_SOC_DAIFMT_IB_NF: | |
1488 | aif1 |= WM8904_AIF_BCLK_INV; | |
1489 | break; | |
1490 | case SND_SOC_DAIFMT_NB_IF: | |
1491 | aif1 |= WM8904_AIF_LRCLK_INV; | |
1492 | break; | |
1493 | default: | |
1494 | return -EINVAL; | |
1495 | } | |
1496 | break; | |
1497 | default: | |
1498 | return -EINVAL; | |
1499 | } | |
1500 | ||
1501 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1, | |
1502 | WM8904_AIF_BCLK_INV | WM8904_AIF_LRCLK_INV | | |
1503 | WM8904_AIF_FMT_MASK | WM8904_BCLK_DIR, aif1); | |
1504 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_3, | |
1505 | WM8904_LRCLK_DIR, aif3); | |
1506 | ||
1507 | return 0; | |
1508 | } | |
1509 | ||
1510 | ||
1511 | static int wm8904_set_tdm_slot(struct snd_soc_dai *dai, unsigned int tx_mask, | |
1512 | unsigned int rx_mask, int slots, int slot_width) | |
1513 | { | |
1514 | struct snd_soc_codec *codec = dai->codec; | |
b2c812e2 | 1515 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
1516 | int aif1 = 0; |
1517 | ||
1518 | /* Don't need to validate anything if we're turning off TDM */ | |
1519 | if (slots == 0) | |
1520 | goto out; | |
1521 | ||
1522 | /* Note that we allow configurations we can't handle ourselves - | |
1523 | * for example, we can generate clocks for slots 2 and up even if | |
1524 | * we can't use those slots ourselves. | |
1525 | */ | |
1526 | aif1 |= WM8904_AIFADC_TDM | WM8904_AIFDAC_TDM; | |
1527 | ||
1528 | switch (rx_mask) { | |
1529 | case 3: | |
1530 | break; | |
1531 | case 0xc: | |
1532 | aif1 |= WM8904_AIFADC_TDM_CHAN; | |
1533 | break; | |
1534 | default: | |
1535 | return -EINVAL; | |
1536 | } | |
1537 | ||
1538 | ||
1539 | switch (tx_mask) { | |
1540 | case 3: | |
1541 | break; | |
1542 | case 0xc: | |
1543 | aif1 |= WM8904_AIFDAC_TDM_CHAN; | |
1544 | break; | |
1545 | default: | |
1546 | return -EINVAL; | |
1547 | } | |
1548 | ||
1549 | out: | |
1550 | wm8904->tdm_width = slot_width; | |
1551 | wm8904->tdm_slots = slots / 2; | |
1552 | ||
1553 | snd_soc_update_bits(codec, WM8904_AUDIO_INTERFACE_1, | |
1554 | WM8904_AIFADC_TDM | WM8904_AIFADC_TDM_CHAN | | |
1555 | WM8904_AIFDAC_TDM | WM8904_AIFDAC_TDM_CHAN, aif1); | |
1556 | ||
1557 | return 0; | |
1558 | } | |
1559 | ||
1560 | struct _fll_div { | |
1561 | u16 fll_fratio; | |
1562 | u16 fll_outdiv; | |
1563 | u16 fll_clk_ref_div; | |
1564 | u16 n; | |
1565 | u16 k; | |
1566 | }; | |
1567 | ||
1568 | /* The size in bits of the FLL divide multiplied by 10 | |
1569 | * to allow rounding later */ | |
1570 | #define FIXED_FLL_SIZE ((1 << 16) * 10) | |
1571 | ||
1572 | static struct { | |
1573 | unsigned int min; | |
1574 | unsigned int max; | |
1575 | u16 fll_fratio; | |
1576 | int ratio; | |
1577 | } fll_fratios[] = { | |
1578 | { 0, 64000, 4, 16 }, | |
1579 | { 64000, 128000, 3, 8 }, | |
1580 | { 128000, 256000, 2, 4 }, | |
1581 | { 256000, 1000000, 1, 2 }, | |
1582 | { 1000000, 13500000, 0, 1 }, | |
1583 | }; | |
1584 | ||
1585 | static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, | |
1586 | unsigned int Fout) | |
1587 | { | |
1588 | u64 Kpart; | |
1589 | unsigned int K, Ndiv, Nmod, target; | |
1590 | unsigned int div; | |
1591 | int i; | |
1592 | ||
1593 | /* Fref must be <=13.5MHz */ | |
1594 | div = 1; | |
1595 | fll_div->fll_clk_ref_div = 0; | |
1596 | while ((Fref / div) > 13500000) { | |
1597 | div *= 2; | |
1598 | fll_div->fll_clk_ref_div++; | |
1599 | ||
1600 | if (div > 8) { | |
1601 | pr_err("Can't scale %dMHz input down to <=13.5MHz\n", | |
1602 | Fref); | |
1603 | return -EINVAL; | |
1604 | } | |
1605 | } | |
1606 | ||
1607 | pr_debug("Fref=%u Fout=%u\n", Fref, Fout); | |
1608 | ||
1609 | /* Apply the division for our remaining calculations */ | |
1610 | Fref /= div; | |
1611 | ||
1612 | /* Fvco should be 90-100MHz; don't check the upper bound */ | |
1613 | div = 4; | |
1614 | while (Fout * div < 90000000) { | |
1615 | div++; | |
1616 | if (div > 64) { | |
1617 | pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", | |
1618 | Fout); | |
1619 | return -EINVAL; | |
1620 | } | |
1621 | } | |
1622 | target = Fout * div; | |
1623 | fll_div->fll_outdiv = div - 1; | |
1624 | ||
1625 | pr_debug("Fvco=%dHz\n", target); | |
1626 | ||
25985edc | 1627 | /* Find an appropriate FLL_FRATIO and factor it out of the target */ |
a91eb199 MB |
1628 | for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { |
1629 | if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { | |
1630 | fll_div->fll_fratio = fll_fratios[i].fll_fratio; | |
1631 | target /= fll_fratios[i].ratio; | |
1632 | break; | |
1633 | } | |
1634 | } | |
1635 | if (i == ARRAY_SIZE(fll_fratios)) { | |
1636 | pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); | |
1637 | return -EINVAL; | |
1638 | } | |
1639 | ||
1640 | /* Now, calculate N.K */ | |
1641 | Ndiv = target / Fref; | |
1642 | ||
1643 | fll_div->n = Ndiv; | |
1644 | Nmod = target % Fref; | |
1645 | pr_debug("Nmod=%d\n", Nmod); | |
1646 | ||
1647 | /* Calculate fractional part - scale up so we can round. */ | |
1648 | Kpart = FIXED_FLL_SIZE * (long long)Nmod; | |
1649 | ||
1650 | do_div(Kpart, Fref); | |
1651 | ||
1652 | K = Kpart & 0xFFFFFFFF; | |
1653 | ||
1654 | if ((K % 10) >= 5) | |
1655 | K += 5; | |
1656 | ||
1657 | /* Move down to proper range now rounding is done */ | |
1658 | fll_div->k = K / 10; | |
1659 | ||
1660 | pr_debug("N=%x K=%x FLL_FRATIO=%x FLL_OUTDIV=%x FLL_CLK_REF_DIV=%x\n", | |
1661 | fll_div->n, fll_div->k, | |
1662 | fll_div->fll_fratio, fll_div->fll_outdiv, | |
1663 | fll_div->fll_clk_ref_div); | |
1664 | ||
1665 | return 0; | |
1666 | } | |
1667 | ||
1668 | static int wm8904_set_fll(struct snd_soc_dai *dai, int fll_id, int source, | |
1669 | unsigned int Fref, unsigned int Fout) | |
1670 | { | |
1671 | struct snd_soc_codec *codec = dai->codec; | |
b2c812e2 | 1672 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
1673 | struct _fll_div fll_div; |
1674 | int ret, val; | |
1675 | int clock2, fll1; | |
1676 | ||
1677 | /* Any change? */ | |
1678 | if (source == wm8904->fll_src && Fref == wm8904->fll_fref && | |
1679 | Fout == wm8904->fll_fout) | |
1680 | return 0; | |
1681 | ||
18240b67 MB |
1682 | clock2 = snd_soc_read(codec, WM8904_CLOCK_RATES_2); |
1683 | ||
a91eb199 MB |
1684 | if (Fout == 0) { |
1685 | dev_dbg(codec->dev, "FLL disabled\n"); | |
1686 | ||
1687 | wm8904->fll_fref = 0; | |
1688 | wm8904->fll_fout = 0; | |
1689 | ||
1690 | /* Gate SYSCLK to avoid glitches */ | |
1691 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, | |
1692 | WM8904_CLK_SYS_ENA, 0); | |
1693 | ||
1694 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, | |
1695 | WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); | |
1696 | ||
1697 | goto out; | |
1698 | } | |
1699 | ||
1700 | /* Validate the FLL ID */ | |
1701 | switch (source) { | |
1702 | case WM8904_FLL_MCLK: | |
1703 | case WM8904_FLL_LRCLK: | |
1704 | case WM8904_FLL_BCLK: | |
1705 | ret = fll_factors(&fll_div, Fref, Fout); | |
1706 | if (ret != 0) | |
1707 | return ret; | |
1708 | break; | |
1709 | ||
1710 | case WM8904_FLL_FREE_RUNNING: | |
1711 | dev_dbg(codec->dev, "Using free running FLL\n"); | |
1712 | /* Force 12MHz and output/4 for now */ | |
1713 | Fout = 12000000; | |
1714 | Fref = 12000000; | |
1715 | ||
1716 | memset(&fll_div, 0, sizeof(fll_div)); | |
1717 | fll_div.fll_outdiv = 3; | |
1718 | break; | |
1719 | ||
1720 | default: | |
1721 | dev_err(codec->dev, "Unknown FLL ID %d\n", fll_id); | |
1722 | return -EINVAL; | |
1723 | } | |
1724 | ||
1725 | /* Save current state then disable the FLL and SYSCLK to avoid | |
1726 | * misclocking */ | |
a91eb199 MB |
1727 | fll1 = snd_soc_read(codec, WM8904_FLL_CONTROL_1); |
1728 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, | |
1729 | WM8904_CLK_SYS_ENA, 0); | |
1730 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, | |
1731 | WM8904_FLL_OSC_ENA | WM8904_FLL_ENA, 0); | |
1732 | ||
1733 | /* Unlock forced oscilator control to switch it on/off */ | |
1734 | snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1, | |
1735 | WM8904_USER_KEY, WM8904_USER_KEY); | |
1736 | ||
1737 | if (fll_id == WM8904_FLL_FREE_RUNNING) { | |
1738 | val = WM8904_FLL_FRC_NCO; | |
1739 | } else { | |
1740 | val = 0; | |
1741 | } | |
1742 | ||
1743 | snd_soc_update_bits(codec, WM8904_FLL_NCO_TEST_1, WM8904_FLL_FRC_NCO, | |
1744 | val); | |
1745 | snd_soc_update_bits(codec, WM8904_CONTROL_INTERFACE_TEST_1, | |
1746 | WM8904_USER_KEY, 0); | |
1747 | ||
1748 | switch (fll_id) { | |
1749 | case WM8904_FLL_MCLK: | |
1750 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, | |
1751 | WM8904_FLL_CLK_REF_SRC_MASK, 0); | |
1752 | break; | |
1753 | ||
1754 | case WM8904_FLL_LRCLK: | |
1755 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, | |
1756 | WM8904_FLL_CLK_REF_SRC_MASK, 1); | |
1757 | break; | |
1758 | ||
1759 | case WM8904_FLL_BCLK: | |
1760 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, | |
1761 | WM8904_FLL_CLK_REF_SRC_MASK, 2); | |
1762 | break; | |
1763 | } | |
1764 | ||
1765 | if (fll_div.k) | |
1766 | val = WM8904_FLL_FRACN_ENA; | |
1767 | else | |
1768 | val = 0; | |
1769 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, | |
1770 | WM8904_FLL_FRACN_ENA, val); | |
1771 | ||
1772 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_2, | |
1773 | WM8904_FLL_OUTDIV_MASK | WM8904_FLL_FRATIO_MASK, | |
1774 | (fll_div.fll_outdiv << WM8904_FLL_OUTDIV_SHIFT) | | |
1775 | (fll_div.fll_fratio << WM8904_FLL_FRATIO_SHIFT)); | |
1776 | ||
1777 | snd_soc_write(codec, WM8904_FLL_CONTROL_3, fll_div.k); | |
1778 | ||
1779 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_4, WM8904_FLL_N_MASK, | |
1780 | fll_div.n << WM8904_FLL_N_SHIFT); | |
1781 | ||
1782 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_5, | |
1783 | WM8904_FLL_CLK_REF_DIV_MASK, | |
1784 | fll_div.fll_clk_ref_div | |
1785 | << WM8904_FLL_CLK_REF_DIV_SHIFT); | |
1786 | ||
1787 | dev_dbg(codec->dev, "FLL configured for %dHz->%dHz\n", Fref, Fout); | |
1788 | ||
1789 | wm8904->fll_fref = Fref; | |
1790 | wm8904->fll_fout = Fout; | |
1791 | wm8904->fll_src = source; | |
1792 | ||
1793 | /* Enable the FLL if it was previously active */ | |
1794 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, | |
1795 | WM8904_FLL_OSC_ENA, fll1); | |
1796 | snd_soc_update_bits(codec, WM8904_FLL_CONTROL_1, | |
1797 | WM8904_FLL_ENA, fll1); | |
1798 | ||
1799 | out: | |
1800 | /* Reenable SYSCLK if it was previously active */ | |
1801 | snd_soc_update_bits(codec, WM8904_CLOCK_RATES_2, | |
1802 | WM8904_CLK_SYS_ENA, clock2); | |
1803 | ||
1804 | return 0; | |
1805 | } | |
1806 | ||
1807 | static int wm8904_digital_mute(struct snd_soc_dai *codec_dai, int mute) | |
1808 | { | |
1809 | struct snd_soc_codec *codec = codec_dai->codec; | |
1810 | int val; | |
1811 | ||
1812 | if (mute) | |
1813 | val = WM8904_DAC_MUTE; | |
1814 | else | |
1815 | val = 0; | |
1816 | ||
1817 | snd_soc_update_bits(codec, WM8904_DAC_DIGITAL_1, WM8904_DAC_MUTE, val); | |
1818 | ||
1819 | return 0; | |
1820 | } | |
1821 | ||
1822 | static int wm8904_set_bias_level(struct snd_soc_codec *codec, | |
1823 | enum snd_soc_bias_level level) | |
1824 | { | |
b2c812e2 | 1825 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
c1334218 | 1826 | int ret; |
a91eb199 MB |
1827 | |
1828 | switch (level) { | |
1829 | case SND_SOC_BIAS_ON: | |
1830 | break; | |
1831 | ||
1832 | case SND_SOC_BIAS_PREPARE: | |
1833 | /* VMID resistance 2*50k */ | |
1834 | snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, | |
1835 | WM8904_VMID_RES_MASK, | |
1836 | 0x1 << WM8904_VMID_RES_SHIFT); | |
1837 | ||
1838 | /* Normal bias current */ | |
1839 | snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, | |
1840 | WM8904_ISEL_MASK, 2 << WM8904_ISEL_SHIFT); | |
1841 | break; | |
1842 | ||
1843 | case SND_SOC_BIAS_STANDBY: | |
ce6120cc | 1844 | if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) { |
a91eb199 MB |
1845 | ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies), |
1846 | wm8904->supplies); | |
1847 | if (ret != 0) { | |
1848 | dev_err(codec->dev, | |
1849 | "Failed to enable supplies: %d\n", | |
1850 | ret); | |
1851 | return ret; | |
1852 | } | |
1853 | ||
c1b88ee2 | 1854 | regcache_cache_only(wm8904->regmap, false); |
84d0d831 | 1855 | regcache_sync(wm8904->regmap); |
a91eb199 MB |
1856 | |
1857 | /* Enable bias */ | |
1858 | snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, | |
1859 | WM8904_BIAS_ENA, WM8904_BIAS_ENA); | |
1860 | ||
1861 | /* Enable VMID, VMID buffering, 2*5k resistance */ | |
1862 | snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, | |
1863 | WM8904_VMID_ENA | | |
1864 | WM8904_VMID_RES_MASK, | |
1865 | WM8904_VMID_ENA | | |
1866 | 0x3 << WM8904_VMID_RES_SHIFT); | |
1867 | ||
1868 | /* Let VMID ramp */ | |
1869 | msleep(1); | |
1870 | } | |
1871 | ||
1872 | /* Maintain VMID with 2*250k */ | |
1873 | snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, | |
1874 | WM8904_VMID_RES_MASK, | |
1875 | 0x2 << WM8904_VMID_RES_SHIFT); | |
1876 | ||
1877 | /* Bias current *0.5 */ | |
1878 | snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, | |
1879 | WM8904_ISEL_MASK, 0); | |
1880 | break; | |
1881 | ||
1882 | case SND_SOC_BIAS_OFF: | |
1883 | /* Turn off VMID */ | |
1884 | snd_soc_update_bits(codec, WM8904_VMID_CONTROL_0, | |
1885 | WM8904_VMID_RES_MASK | WM8904_VMID_ENA, 0); | |
1886 | ||
1887 | /* Stop bias generation */ | |
1888 | snd_soc_update_bits(codec, WM8904_BIAS_CONTROL_0, | |
1889 | WM8904_BIAS_ENA, 0); | |
1890 | ||
c1b88ee2 MB |
1891 | regcache_cache_only(wm8904->regmap, true); |
1892 | regcache_mark_dirty(wm8904->regmap); | |
c1334218 | 1893 | |
a91eb199 MB |
1894 | regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), |
1895 | wm8904->supplies); | |
1896 | break; | |
1897 | } | |
ce6120cc | 1898 | codec->dapm.bias_level = level; |
a91eb199 MB |
1899 | return 0; |
1900 | } | |
1901 | ||
1902 | #define WM8904_RATES SNDRV_PCM_RATE_8000_96000 | |
1903 | ||
1904 | #define WM8904_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\ | |
1905 | SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) | |
1906 | ||
85e7652d | 1907 | static const struct snd_soc_dai_ops wm8904_dai_ops = { |
a91eb199 MB |
1908 | .set_sysclk = wm8904_set_sysclk, |
1909 | .set_fmt = wm8904_set_fmt, | |
1910 | .set_tdm_slot = wm8904_set_tdm_slot, | |
1911 | .set_pll = wm8904_set_fll, | |
1912 | .hw_params = wm8904_hw_params, | |
1913 | .digital_mute = wm8904_digital_mute, | |
1914 | }; | |
1915 | ||
f0fba2ad LG |
1916 | static struct snd_soc_dai_driver wm8904_dai = { |
1917 | .name = "wm8904-hifi", | |
a91eb199 MB |
1918 | .playback = { |
1919 | .stream_name = "Playback", | |
1920 | .channels_min = 2, | |
1921 | .channels_max = 2, | |
1922 | .rates = WM8904_RATES, | |
1923 | .formats = WM8904_FORMATS, | |
1924 | }, | |
1925 | .capture = { | |
1926 | .stream_name = "Capture", | |
1927 | .channels_min = 2, | |
1928 | .channels_max = 2, | |
1929 | .rates = WM8904_RATES, | |
1930 | .formats = WM8904_FORMATS, | |
1931 | }, | |
1932 | .ops = &wm8904_dai_ops, | |
1933 | .symmetric_rates = 1, | |
1934 | }; | |
a91eb199 | 1935 | |
f0fba2ad | 1936 | static void wm8904_handle_retune_mobile_pdata(struct snd_soc_codec *codec) |
a91eb199 | 1937 | { |
f0fba2ad | 1938 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
1939 | struct wm8904_pdata *pdata = wm8904->pdata; |
1940 | struct snd_kcontrol_new control = | |
1941 | SOC_ENUM_EXT("EQ Mode", | |
1942 | wm8904->retune_mobile_enum, | |
1943 | wm8904_get_retune_mobile_enum, | |
1944 | wm8904_put_retune_mobile_enum); | |
1945 | int ret, i, j; | |
1946 | const char **t; | |
1947 | ||
1948 | /* We need an array of texts for the enum API but the number | |
1949 | * of texts is likely to be less than the number of | |
1950 | * configurations due to the sample rate dependency of the | |
1951 | * configurations. */ | |
1952 | wm8904->num_retune_mobile_texts = 0; | |
1953 | wm8904->retune_mobile_texts = NULL; | |
1954 | for (i = 0; i < pdata->num_retune_mobile_cfgs; i++) { | |
1955 | for (j = 0; j < wm8904->num_retune_mobile_texts; j++) { | |
1956 | if (strcmp(pdata->retune_mobile_cfgs[i].name, | |
1957 | wm8904->retune_mobile_texts[j]) == 0) | |
1958 | break; | |
1959 | } | |
1960 | ||
1961 | if (j != wm8904->num_retune_mobile_texts) | |
1962 | continue; | |
1963 | ||
1964 | /* Expand the array... */ | |
1965 | t = krealloc(wm8904->retune_mobile_texts, | |
1966 | sizeof(char *) * | |
1967 | (wm8904->num_retune_mobile_texts + 1), | |
1968 | GFP_KERNEL); | |
1969 | if (t == NULL) | |
1970 | continue; | |
1971 | ||
1972 | /* ...store the new entry... */ | |
1973 | t[wm8904->num_retune_mobile_texts] = | |
1974 | pdata->retune_mobile_cfgs[i].name; | |
1975 | ||
1976 | /* ...and remember the new version. */ | |
1977 | wm8904->num_retune_mobile_texts++; | |
1978 | wm8904->retune_mobile_texts = t; | |
1979 | } | |
1980 | ||
1981 | dev_dbg(codec->dev, "Allocated %d unique ReTune Mobile names\n", | |
1982 | wm8904->num_retune_mobile_texts); | |
1983 | ||
1984 | wm8904->retune_mobile_enum.max = wm8904->num_retune_mobile_texts; | |
1985 | wm8904->retune_mobile_enum.texts = wm8904->retune_mobile_texts; | |
1986 | ||
022658be | 1987 | ret = snd_soc_add_codec_controls(codec, &control, 1); |
a91eb199 | 1988 | if (ret != 0) |
f0fba2ad | 1989 | dev_err(codec->dev, |
a91eb199 MB |
1990 | "Failed to add ReTune Mobile control: %d\n", ret); |
1991 | } | |
1992 | ||
f0fba2ad | 1993 | static void wm8904_handle_pdata(struct snd_soc_codec *codec) |
a91eb199 | 1994 | { |
f0fba2ad | 1995 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
a91eb199 MB |
1996 | struct wm8904_pdata *pdata = wm8904->pdata; |
1997 | int ret, i; | |
1998 | ||
1999 | if (!pdata) { | |
022658be | 2000 | snd_soc_add_codec_controls(codec, wm8904_eq_controls, |
a91eb199 MB |
2001 | ARRAY_SIZE(wm8904_eq_controls)); |
2002 | return; | |
2003 | } | |
2004 | ||
2005 | dev_dbg(codec->dev, "%d DRC configurations\n", pdata->num_drc_cfgs); | |
2006 | ||
2007 | if (pdata->num_drc_cfgs) { | |
2008 | struct snd_kcontrol_new control = | |
2009 | SOC_ENUM_EXT("DRC Mode", wm8904->drc_enum, | |
2010 | wm8904_get_drc_enum, wm8904_put_drc_enum); | |
2011 | ||
2012 | /* We need an array of texts for the enum API */ | |
2013 | wm8904->drc_texts = kmalloc(sizeof(char *) | |
2014 | * pdata->num_drc_cfgs, GFP_KERNEL); | |
2015 | if (!wm8904->drc_texts) { | |
f0fba2ad | 2016 | dev_err(codec->dev, |
a91eb199 MB |
2017 | "Failed to allocate %d DRC config texts\n", |
2018 | pdata->num_drc_cfgs); | |
2019 | return; | |
2020 | } | |
2021 | ||
2022 | for (i = 0; i < pdata->num_drc_cfgs; i++) | |
2023 | wm8904->drc_texts[i] = pdata->drc_cfgs[i].name; | |
2024 | ||
2025 | wm8904->drc_enum.max = pdata->num_drc_cfgs; | |
2026 | wm8904->drc_enum.texts = wm8904->drc_texts; | |
2027 | ||
022658be | 2028 | ret = snd_soc_add_codec_controls(codec, &control, 1); |
a91eb199 | 2029 | if (ret != 0) |
f0fba2ad | 2030 | dev_err(codec->dev, |
a91eb199 MB |
2031 | "Failed to add DRC mode control: %d\n", ret); |
2032 | ||
2033 | wm8904_set_drc(codec); | |
2034 | } | |
2035 | ||
2036 | dev_dbg(codec->dev, "%d ReTune Mobile configurations\n", | |
2037 | pdata->num_retune_mobile_cfgs); | |
2038 | ||
2039 | if (pdata->num_retune_mobile_cfgs) | |
f0fba2ad | 2040 | wm8904_handle_retune_mobile_pdata(codec); |
a91eb199 | 2041 | else |
022658be | 2042 | snd_soc_add_codec_controls(codec, wm8904_eq_controls, |
a91eb199 MB |
2043 | ARRAY_SIZE(wm8904_eq_controls)); |
2044 | } | |
2045 | ||
a91eb199 | 2046 | |
f0fba2ad | 2047 | static int wm8904_probe(struct snd_soc_codec *codec) |
a91eb199 | 2048 | { |
f0fba2ad | 2049 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
725e7a7b | 2050 | int ret; |
a91eb199 | 2051 | |
84d0d831 | 2052 | codec->control_data = wm8904->regmap; |
a91eb199 | 2053 | |
8c126474 MB |
2054 | switch (wm8904->devtype) { |
2055 | case WM8904: | |
2056 | break; | |
2057 | case WM8912: | |
2058 | memset(&wm8904_dai.capture, 0, sizeof(wm8904_dai.capture)); | |
2059 | break; | |
2060 | default: | |
2061 | dev_err(codec->dev, "Unknown device type %d\n", | |
2062 | wm8904->devtype); | |
f0fba2ad | 2063 | return -EINVAL; |
8c126474 MB |
2064 | } |
2065 | ||
84d0d831 | 2066 | ret = snd_soc_codec_set_cache_io(codec, 8, 16, SND_SOC_REGMAP); |
a91eb199 MB |
2067 | if (ret != 0) { |
2068 | dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret); | |
f0fba2ad | 2069 | return ret; |
a91eb199 MB |
2070 | } |
2071 | ||
f0fba2ad | 2072 | wm8904_handle_pdata(codec); |
a91eb199 | 2073 | |
f0fba2ad | 2074 | wm8904_add_widgets(codec); |
a91eb199 MB |
2075 | |
2076 | return 0; | |
a91eb199 MB |
2077 | } |
2078 | ||
f0fba2ad | 2079 | static int wm8904_remove(struct snd_soc_codec *codec) |
a91eb199 | 2080 | { |
f0fba2ad LG |
2081 | struct wm8904_priv *wm8904 = snd_soc_codec_get_drvdata(codec); |
2082 | ||
cd70978c AL |
2083 | kfree(wm8904->retune_mobile_texts); |
2084 | kfree(wm8904->drc_texts); | |
f0fba2ad LG |
2085 | |
2086 | return 0; | |
a91eb199 MB |
2087 | } |
2088 | ||
f0fba2ad LG |
2089 | static struct snd_soc_codec_driver soc_codec_dev_wm8904 = { |
2090 | .probe = wm8904_probe, | |
2091 | .remove = wm8904_remove, | |
f0fba2ad | 2092 | .set_bias_level = wm8904_set_bias_level, |
eb3032f8 | 2093 | .idle_bias_off = true, |
84d0d831 MB |
2094 | }; |
2095 | ||
2096 | static const struct regmap_config wm8904_regmap = { | |
2097 | .reg_bits = 8, | |
2098 | .val_bits = 16, | |
2099 | ||
2100 | .max_register = WM8904_MAX_REGISTER, | |
2101 | .volatile_reg = wm8904_volatile_register, | |
2102 | .readable_reg = wm8904_readable_register, | |
2103 | ||
2104 | .cache_type = REGCACHE_RBTREE, | |
2105 | .reg_defaults = wm8904_reg_defaults, | |
2106 | .num_reg_defaults = ARRAY_SIZE(wm8904_reg_defaults), | |
f0fba2ad LG |
2107 | }; |
2108 | ||
7a79e94e BP |
2109 | static int wm8904_i2c_probe(struct i2c_client *i2c, |
2110 | const struct i2c_device_id *id) | |
a91eb199 MB |
2111 | { |
2112 | struct wm8904_priv *wm8904; | |
03862cf6 MB |
2113 | unsigned int val; |
2114 | int ret, i; | |
a91eb199 | 2115 | |
93e26d4e MB |
2116 | wm8904 = devm_kzalloc(&i2c->dev, sizeof(struct wm8904_priv), |
2117 | GFP_KERNEL); | |
a91eb199 MB |
2118 | if (wm8904 == NULL) |
2119 | return -ENOMEM; | |
2120 | ||
d633edd9 | 2121 | wm8904->regmap = devm_regmap_init_i2c(i2c, &wm8904_regmap); |
84d0d831 MB |
2122 | if (IS_ERR(wm8904->regmap)) { |
2123 | ret = PTR_ERR(wm8904->regmap); | |
2124 | dev_err(&i2c->dev, "Failed to allocate register map: %d\n", | |
2125 | ret); | |
2126 | return ret; | |
2127 | } | |
2128 | ||
8c126474 | 2129 | wm8904->devtype = id->driver_data; |
a91eb199 | 2130 | i2c_set_clientdata(i2c, wm8904); |
a91eb199 MB |
2131 | wm8904->pdata = i2c->dev.platform_data; |
2132 | ||
03862cf6 MB |
2133 | for (i = 0; i < ARRAY_SIZE(wm8904->supplies); i++) |
2134 | wm8904->supplies[i].supply = wm8904_supply_names[i]; | |
2135 | ||
2136 | ret = devm_regulator_bulk_get(&i2c->dev, ARRAY_SIZE(wm8904->supplies), | |
2137 | wm8904->supplies); | |
2138 | if (ret != 0) { | |
2139 | dev_err(&i2c->dev, "Failed to request supplies: %d\n", ret); | |
2140 | return ret; | |
2141 | } | |
2142 | ||
2143 | ret = regulator_bulk_enable(ARRAY_SIZE(wm8904->supplies), | |
2144 | wm8904->supplies); | |
2145 | if (ret != 0) { | |
2146 | dev_err(&i2c->dev, "Failed to enable supplies: %d\n", ret); | |
2147 | return ret; | |
2148 | } | |
2149 | ||
2150 | ret = regmap_read(wm8904->regmap, WM8904_SW_RESET_AND_ID, &val); | |
2151 | if (ret < 0) { | |
2152 | dev_err(&i2c->dev, "Failed to read ID register: %d\n", ret); | |
2153 | goto err_enable; | |
2154 | } | |
2155 | if (val != 0x8904) { | |
2156 | dev_err(&i2c->dev, "Device is not a WM8904, ID is %x\n", val); | |
2157 | ret = -EINVAL; | |
2158 | goto err_enable; | |
2159 | } | |
2160 | ||
2161 | ret = regmap_read(wm8904->regmap, WM8904_REVISION, &val); | |
2162 | if (ret < 0) { | |
2163 | dev_err(&i2c->dev, "Failed to read device revision: %d\n", | |
2164 | ret); | |
2165 | goto err_enable; | |
2166 | } | |
2167 | dev_info(&i2c->dev, "revision %c\n", val + 'A'); | |
2168 | ||
2169 | ret = regmap_write(wm8904->regmap, WM8904_SW_RESET_AND_ID, 0); | |
2170 | if (ret < 0) { | |
2171 | dev_err(&i2c->dev, "Failed to issue reset: %d\n", ret); | |
2172 | goto err_enable; | |
2173 | } | |
2174 | ||
725e7a7b MB |
2175 | /* Change some default settings - latch VU and enable ZC */ |
2176 | regmap_update_bits(wm8904->regmap, WM8904_ADC_DIGITAL_VOLUME_LEFT, | |
2177 | WM8904_ADC_VU, WM8904_ADC_VU); | |
2178 | regmap_update_bits(wm8904->regmap, WM8904_ADC_DIGITAL_VOLUME_RIGHT, | |
2179 | WM8904_ADC_VU, WM8904_ADC_VU); | |
2180 | regmap_update_bits(wm8904->regmap, WM8904_DAC_DIGITAL_VOLUME_LEFT, | |
2181 | WM8904_DAC_VU, WM8904_DAC_VU); | |
2182 | regmap_update_bits(wm8904->regmap, WM8904_DAC_DIGITAL_VOLUME_RIGHT, | |
2183 | WM8904_DAC_VU, WM8904_DAC_VU); | |
2184 | regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT1_LEFT, | |
2185 | WM8904_HPOUT_VU | WM8904_HPOUTLZC, | |
2186 | WM8904_HPOUT_VU | WM8904_HPOUTLZC); | |
2187 | regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT1_RIGHT, | |
2188 | WM8904_HPOUT_VU | WM8904_HPOUTRZC, | |
2189 | WM8904_HPOUT_VU | WM8904_HPOUTRZC); | |
2190 | regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT2_LEFT, | |
2191 | WM8904_LINEOUT_VU | WM8904_LINEOUTLZC, | |
2192 | WM8904_LINEOUT_VU | WM8904_LINEOUTLZC); | |
2193 | regmap_update_bits(wm8904->regmap, WM8904_ANALOGUE_OUT2_RIGHT, | |
2194 | WM8904_LINEOUT_VU | WM8904_LINEOUTRZC, | |
2195 | WM8904_LINEOUT_VU | WM8904_LINEOUTRZC); | |
2196 | regmap_update_bits(wm8904->regmap, WM8904_CLOCK_RATES_0, | |
2197 | WM8904_SR_MODE, 0); | |
2198 | ||
2199 | /* Apply configuration from the platform data. */ | |
2200 | if (wm8904->pdata) { | |
2201 | for (i = 0; i < WM8904_GPIO_REGS; i++) { | |
2202 | if (!wm8904->pdata->gpio_cfg[i]) | |
2203 | continue; | |
2204 | ||
2205 | regmap_update_bits(wm8904->regmap, | |
2206 | WM8904_GPIO_CONTROL_1 + i, | |
2207 | 0xffff, | |
2208 | wm8904->pdata->gpio_cfg[i]); | |
2209 | } | |
2210 | ||
2211 | /* Zero is the default value for these anyway */ | |
2212 | for (i = 0; i < WM8904_MIC_REGS; i++) | |
2213 | regmap_update_bits(wm8904->regmap, | |
2214 | WM8904_MIC_BIAS_CONTROL_0 + i, | |
2215 | 0xffff, | |
2216 | wm8904->pdata->mic_cfg[i]); | |
2217 | } | |
2218 | ||
2219 | /* Set Class W by default - this will be managed by the Class | |
2220 | * G widget at runtime where bypass paths are available. | |
2221 | */ | |
2222 | regmap_update_bits(wm8904->regmap, WM8904_CLASS_W_0, | |
2223 | WM8904_CP_DYN_PWR, WM8904_CP_DYN_PWR); | |
2224 | ||
2225 | /* Use normal bias source */ | |
2226 | regmap_update_bits(wm8904->regmap, WM8904_BIAS_CONTROL_0, | |
2227 | WM8904_POBCTRL, 0); | |
2228 | ||
03862cf6 MB |
2229 | /* Can leave the device powered off until we need it */ |
2230 | regcache_cache_only(wm8904->regmap, true); | |
2231 | regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); | |
2232 | ||
f0fba2ad LG |
2233 | ret = snd_soc_register_codec(&i2c->dev, |
2234 | &soc_codec_dev_wm8904, &wm8904_dai, 1); | |
84d0d831 | 2235 | if (ret != 0) |
03862cf6 | 2236 | return ret; |
84d0d831 MB |
2237 | |
2238 | return 0; | |
93e26d4e | 2239 | |
03862cf6 MB |
2240 | err_enable: |
2241 | regulator_bulk_disable(ARRAY_SIZE(wm8904->supplies), wm8904->supplies); | |
f0fba2ad | 2242 | return ret; |
a91eb199 MB |
2243 | } |
2244 | ||
7a79e94e | 2245 | static int wm8904_i2c_remove(struct i2c_client *client) |
a91eb199 | 2246 | { |
f0fba2ad | 2247 | snd_soc_unregister_codec(&client->dev); |
a91eb199 MB |
2248 | return 0; |
2249 | } | |
2250 | ||
2251 | static const struct i2c_device_id wm8904_i2c_id[] = { | |
8c126474 MB |
2252 | { "wm8904", WM8904 }, |
2253 | { "wm8912", WM8912 }, | |
df1553c8 | 2254 | { "wm8918", WM8904 }, /* Actually a subset, updates to follow */ |
a91eb199 MB |
2255 | { } |
2256 | }; | |
2257 | MODULE_DEVICE_TABLE(i2c, wm8904_i2c_id); | |
2258 | ||
2259 | static struct i2c_driver wm8904_i2c_driver = { | |
2260 | .driver = { | |
091edccf | 2261 | .name = "wm8904", |
a91eb199 MB |
2262 | .owner = THIS_MODULE, |
2263 | }, | |
2264 | .probe = wm8904_i2c_probe, | |
7a79e94e | 2265 | .remove = wm8904_i2c_remove, |
a91eb199 MB |
2266 | .id_table = wm8904_i2c_id, |
2267 | }; | |
a91eb199 | 2268 | |
8cb28fd6 | 2269 | module_i2c_driver(wm8904_i2c_driver); |
a91eb199 MB |
2270 | |
2271 | MODULE_DESCRIPTION("ASoC WM8904 driver"); | |
2272 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
2273 | MODULE_LICENSE("GPL"); |