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1 | /* |
2 | * wm8900.c -- WM8900 ALSA Soc Audio driver | |
3 | * | |
4 | * Copyright 2007, 2008 Wolfson Microelectronics PLC. | |
5 | * | |
6 | * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | * | |
12 | * TODO: | |
13 | * - Tristating. | |
14 | * - TDM. | |
15 | * - Jack detect. | |
16 | * - FLL source configuration, currently only MCLK is supported. | |
17 | */ | |
18 | ||
19 | #include <linux/module.h> | |
20 | #include <linux/moduleparam.h> | |
0e0e16a8 MB |
21 | #include <linux/kernel.h> |
22 | #include <linux/init.h> | |
23 | #include <linux/delay.h> | |
24 | #include <linux/pm.h> | |
25 | #include <linux/i2c.h> | |
26 | #include <linux/platform_device.h> | |
27 | #include <sound/core.h> | |
28 | #include <sound/pcm.h> | |
29 | #include <sound/pcm_params.h> | |
30 | #include <sound/soc.h> | |
31 | #include <sound/soc-dapm.h> | |
32 | #include <sound/initval.h> | |
33 | #include <sound/tlv.h> | |
34 | ||
35 | #include "wm8900.h" | |
36 | ||
37 | /* WM8900 register space */ | |
38 | #define WM8900_REG_RESET 0x0 | |
39 | #define WM8900_REG_ID 0x0 | |
40 | #define WM8900_REG_POWER1 0x1 | |
41 | #define WM8900_REG_POWER2 0x2 | |
42 | #define WM8900_REG_POWER3 0x3 | |
43 | #define WM8900_REG_AUDIO1 0x4 | |
44 | #define WM8900_REG_AUDIO2 0x5 | |
45 | #define WM8900_REG_CLOCKING1 0x6 | |
46 | #define WM8900_REG_CLOCKING2 0x7 | |
47 | #define WM8900_REG_AUDIO3 0x8 | |
48 | #define WM8900_REG_AUDIO4 0x9 | |
49 | #define WM8900_REG_DACCTRL 0xa | |
50 | #define WM8900_REG_LDAC_DV 0xb | |
51 | #define WM8900_REG_RDAC_DV 0xc | |
52 | #define WM8900_REG_SIDETONE 0xd | |
53 | #define WM8900_REG_ADCCTRL 0xe | |
54 | #define WM8900_REG_LADC_DV 0xf | |
55 | #define WM8900_REG_RADC_DV 0x10 | |
56 | #define WM8900_REG_GPIO 0x12 | |
57 | #define WM8900_REG_INCTL 0x15 | |
58 | #define WM8900_REG_LINVOL 0x16 | |
59 | #define WM8900_REG_RINVOL 0x17 | |
60 | #define WM8900_REG_INBOOSTMIX1 0x18 | |
61 | #define WM8900_REG_INBOOSTMIX2 0x19 | |
62 | #define WM8900_REG_ADCPATH 0x1a | |
63 | #define WM8900_REG_AUXBOOST 0x1b | |
64 | #define WM8900_REG_ADDCTL 0x1e | |
65 | #define WM8900_REG_FLLCTL1 0x24 | |
66 | #define WM8900_REG_FLLCTL2 0x25 | |
67 | #define WM8900_REG_FLLCTL3 0x26 | |
68 | #define WM8900_REG_FLLCTL4 0x27 | |
69 | #define WM8900_REG_FLLCTL5 0x28 | |
70 | #define WM8900_REG_FLLCTL6 0x29 | |
71 | #define WM8900_REG_LOUTMIXCTL1 0x2c | |
72 | #define WM8900_REG_ROUTMIXCTL1 0x2d | |
73 | #define WM8900_REG_BYPASS1 0x2e | |
74 | #define WM8900_REG_BYPASS2 0x2f | |
75 | #define WM8900_REG_AUXOUT_CTL 0x30 | |
76 | #define WM8900_REG_LOUT1CTL 0x33 | |
77 | #define WM8900_REG_ROUT1CTL 0x34 | |
78 | #define WM8900_REG_LOUT2CTL 0x35 | |
79 | #define WM8900_REG_ROUT2CTL 0x36 | |
80 | #define WM8900_REG_HPCTL1 0x3a | |
81 | #define WM8900_REG_OUTBIASCTL 0x73 | |
82 | ||
83 | #define WM8900_MAXREG 0x80 | |
84 | ||
85 | #define WM8900_REG_ADDCTL_OUT1_DIS 0x80 | |
86 | #define WM8900_REG_ADDCTL_OUT2_DIS 0x40 | |
87 | #define WM8900_REG_ADDCTL_VMID_DIS 0x20 | |
88 | #define WM8900_REG_ADDCTL_BIAS_SRC 0x10 | |
89 | #define WM8900_REG_ADDCTL_VMID_SOFTST 0x04 | |
90 | #define WM8900_REG_ADDCTL_TEMP_SD 0x02 | |
91 | ||
92 | #define WM8900_REG_GPIO_TEMP_ENA 0x2 | |
93 | ||
94 | #define WM8900_REG_POWER1_STARTUP_BIAS_ENA 0x0100 | |
95 | #define WM8900_REG_POWER1_BIAS_ENA 0x0008 | |
96 | #define WM8900_REG_POWER1_VMID_BUF_ENA 0x0004 | |
97 | #define WM8900_REG_POWER1_FLL_ENA 0x0040 | |
98 | ||
99 | #define WM8900_REG_POWER2_SYSCLK_ENA 0x8000 | |
100 | #define WM8900_REG_POWER2_ADCL_ENA 0x0002 | |
101 | #define WM8900_REG_POWER2_ADCR_ENA 0x0001 | |
102 | ||
103 | #define WM8900_REG_POWER3_DACL_ENA 0x0002 | |
104 | #define WM8900_REG_POWER3_DACR_ENA 0x0001 | |
105 | ||
106 | #define WM8900_REG_AUDIO1_AIF_FMT_MASK 0x0018 | |
107 | #define WM8900_REG_AUDIO1_LRCLK_INV 0x0080 | |
108 | #define WM8900_REG_AUDIO1_BCLK_INV 0x0100 | |
109 | ||
110 | #define WM8900_REG_CLOCKING1_BCLK_DIR 0x1 | |
111 | #define WM8900_REG_CLOCKING1_MCLK_SRC 0x100 | |
112 | #define WM8900_REG_CLOCKING1_BCLK_MASK (~0x01e) | |
113 | #define WM8900_REG_CLOCKING1_OPCLK_MASK (~0x7000) | |
114 | ||
115 | #define WM8900_REG_CLOCKING2_ADC_CLKDIV 0xe0 | |
116 | #define WM8900_REG_CLOCKING2_DAC_CLKDIV 0x1c | |
117 | ||
118 | #define WM8900_REG_DACCTRL_MUTE 0x004 | |
119 | #define WM8900_REG_DACCTRL_AIF_LRCLKRATE 0x400 | |
120 | ||
121 | #define WM8900_REG_AUDIO3_ADCLRC_DIR 0x0800 | |
122 | ||
123 | #define WM8900_REG_AUDIO4_DACLRC_DIR 0x0800 | |
124 | ||
125 | #define WM8900_REG_FLLCTL1_OSC_ENA 0x100 | |
126 | ||
127 | #define WM8900_REG_FLLCTL6_FLL_SLOW_LOCK_REF 0x100 | |
128 | ||
129 | #define WM8900_REG_HPCTL1_HP_IPSTAGE_ENA 0x80 | |
130 | #define WM8900_REG_HPCTL1_HP_OPSTAGE_ENA 0x40 | |
131 | #define WM8900_REG_HPCTL1_HP_CLAMP_IP 0x20 | |
132 | #define WM8900_REG_HPCTL1_HP_CLAMP_OP 0x10 | |
133 | #define WM8900_REG_HPCTL1_HP_SHORT 0x08 | |
134 | #define WM8900_REG_HPCTL1_HP_SHORT2 0x04 | |
135 | ||
136 | #define WM8900_LRC_MASK 0xfc00 | |
137 | ||
138 | struct snd_soc_codec_device soc_codec_dev_wm8900; | |
139 | ||
140 | struct wm8900_priv { | |
78e19a39 MB |
141 | struct snd_soc_codec codec; |
142 | ||
143 | u16 reg_cache[WM8900_MAXREG]; | |
144 | ||
0e0e16a8 MB |
145 | u32 fll_in; /* FLL input frequency */ |
146 | u32 fll_out; /* FLL output frequency */ | |
147 | }; | |
148 | ||
149 | /* | |
150 | * wm8900 register cache. We can't read the entire register space and we | |
151 | * have slow control buses so we cache the registers. | |
152 | */ | |
153 | static const u16 wm8900_reg_defaults[WM8900_MAXREG] = { | |
154 | 0x8900, 0x0000, | |
155 | 0xc000, 0x0000, | |
156 | 0x4050, 0x4000, | |
157 | 0x0008, 0x0000, | |
158 | 0x0040, 0x0040, | |
159 | 0x1004, 0x00c0, | |
160 | 0x00c0, 0x0000, | |
161 | 0x0100, 0x00c0, | |
162 | 0x00c0, 0x0000, | |
163 | 0xb001, 0x0000, | |
164 | 0x0000, 0x0044, | |
165 | 0x004c, 0x004c, | |
166 | 0x0044, 0x0044, | |
167 | 0x0000, 0x0044, | |
168 | 0x0000, 0x0000, | |
169 | 0x0002, 0x0000, | |
170 | 0x0000, 0x0000, | |
171 | 0x0000, 0x0000, | |
172 | 0x0008, 0x0000, | |
173 | 0x0000, 0x0008, | |
174 | 0x0097, 0x0100, | |
175 | 0x0000, 0x0000, | |
176 | 0x0050, 0x0050, | |
177 | 0x0055, 0x0055, | |
178 | 0x0055, 0x0000, | |
179 | 0x0000, 0x0079, | |
180 | 0x0079, 0x0079, | |
181 | 0x0079, 0x0000, | |
182 | /* Remaining registers all zero */ | |
183 | }; | |
184 | ||
185 | /* | |
186 | * read wm8900 register cache | |
187 | */ | |
188 | static inline unsigned int wm8900_read_reg_cache(struct snd_soc_codec *codec, | |
189 | unsigned int reg) | |
190 | { | |
191 | u16 *cache = codec->reg_cache; | |
192 | ||
193 | BUG_ON(reg >= WM8900_MAXREG); | |
194 | ||
195 | if (reg == WM8900_REG_ID) | |
196 | return 0; | |
197 | ||
198 | return cache[reg]; | |
199 | } | |
200 | ||
201 | /* | |
202 | * write wm8900 register cache | |
203 | */ | |
204 | static inline void wm8900_write_reg_cache(struct snd_soc_codec *codec, | |
205 | u16 reg, unsigned int value) | |
206 | { | |
207 | u16 *cache = codec->reg_cache; | |
208 | ||
209 | BUG_ON(reg >= WM8900_MAXREG); | |
210 | ||
211 | cache[reg] = value; | |
212 | } | |
213 | ||
214 | /* | |
215 | * write to the WM8900 register space | |
216 | */ | |
217 | static int wm8900_write(struct snd_soc_codec *codec, unsigned int reg, | |
218 | unsigned int value) | |
219 | { | |
220 | u8 data[3]; | |
221 | ||
222 | if (value == wm8900_read_reg_cache(codec, reg)) | |
223 | return 0; | |
224 | ||
225 | /* data is | |
226 | * D15..D9 WM8900 register offset | |
227 | * D8...D0 register data | |
228 | */ | |
229 | data[0] = reg; | |
230 | data[1] = value >> 8; | |
231 | data[2] = value & 0x00ff; | |
232 | ||
233 | wm8900_write_reg_cache(codec, reg, value); | |
234 | if (codec->hw_write(codec->control_data, data, 3) == 3) | |
235 | return 0; | |
236 | else | |
237 | return -EIO; | |
238 | } | |
239 | ||
240 | /* | |
241 | * Read from the wm8900. | |
242 | */ | |
243 | static unsigned int wm8900_chip_read(struct snd_soc_codec *codec, u8 reg) | |
244 | { | |
245 | struct i2c_msg xfer[2]; | |
246 | u16 data; | |
247 | int ret; | |
248 | struct i2c_client *client = codec->control_data; | |
249 | ||
250 | BUG_ON(reg != WM8900_REG_ID && reg != WM8900_REG_POWER1); | |
251 | ||
252 | /* Write register */ | |
253 | xfer[0].addr = client->addr; | |
254 | xfer[0].flags = 0; | |
255 | xfer[0].len = 1; | |
256 | xfer[0].buf = ® | |
257 | ||
258 | /* Read data */ | |
259 | xfer[1].addr = client->addr; | |
260 | xfer[1].flags = I2C_M_RD; | |
261 | xfer[1].len = 2; | |
262 | xfer[1].buf = (u8 *)&data; | |
263 | ||
264 | ret = i2c_transfer(client->adapter, xfer, 2); | |
265 | if (ret != 2) { | |
266 | printk(KERN_CRIT "i2c_transfer returned %d\n", ret); | |
267 | return 0; | |
268 | } | |
269 | ||
270 | return (data >> 8) | ((data & 0xff) << 8); | |
271 | } | |
272 | ||
273 | /* | |
274 | * Read from the WM8900 register space. Most registers can't be read | |
275 | * and are therefore supplied from cache. | |
276 | */ | |
277 | static unsigned int wm8900_read(struct snd_soc_codec *codec, unsigned int reg) | |
278 | { | |
279 | switch (reg) { | |
280 | case WM8900_REG_ID: | |
281 | return wm8900_chip_read(codec, reg); | |
282 | default: | |
283 | return wm8900_read_reg_cache(codec, reg); | |
284 | } | |
285 | } | |
286 | ||
287 | static void wm8900_reset(struct snd_soc_codec *codec) | |
288 | { | |
289 | wm8900_write(codec, WM8900_REG_RESET, 0); | |
290 | ||
291 | memcpy(codec->reg_cache, wm8900_reg_defaults, | |
292 | sizeof(codec->reg_cache)); | |
293 | } | |
294 | ||
295 | static int wm8900_hp_event(struct snd_soc_dapm_widget *w, | |
296 | struct snd_kcontrol *kcontrol, int event) | |
297 | { | |
298 | struct snd_soc_codec *codec = w->codec; | |
299 | u16 hpctl1 = wm8900_read(codec, WM8900_REG_HPCTL1); | |
300 | ||
301 | switch (event) { | |
302 | case SND_SOC_DAPM_PRE_PMU: | |
303 | /* Clamp headphone outputs */ | |
304 | hpctl1 = WM8900_REG_HPCTL1_HP_CLAMP_IP | | |
305 | WM8900_REG_HPCTL1_HP_CLAMP_OP; | |
306 | wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); | |
307 | break; | |
308 | ||
309 | case SND_SOC_DAPM_POST_PMU: | |
310 | /* Enable the input stage */ | |
311 | hpctl1 &= ~WM8900_REG_HPCTL1_HP_CLAMP_IP; | |
312 | hpctl1 |= WM8900_REG_HPCTL1_HP_SHORT | | |
313 | WM8900_REG_HPCTL1_HP_SHORT2 | | |
314 | WM8900_REG_HPCTL1_HP_IPSTAGE_ENA; | |
315 | wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); | |
316 | ||
317 | msleep(400); | |
318 | ||
319 | /* Enable the output stage */ | |
320 | hpctl1 &= ~WM8900_REG_HPCTL1_HP_CLAMP_OP; | |
321 | hpctl1 |= WM8900_REG_HPCTL1_HP_OPSTAGE_ENA; | |
322 | wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); | |
323 | ||
324 | /* Remove the shorts */ | |
325 | hpctl1 &= ~WM8900_REG_HPCTL1_HP_SHORT2; | |
326 | wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); | |
327 | hpctl1 &= ~WM8900_REG_HPCTL1_HP_SHORT; | |
328 | wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); | |
329 | break; | |
330 | ||
331 | case SND_SOC_DAPM_PRE_PMD: | |
332 | /* Short the output */ | |
333 | hpctl1 |= WM8900_REG_HPCTL1_HP_SHORT; | |
334 | wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); | |
335 | ||
336 | /* Disable the output stage */ | |
337 | hpctl1 &= ~WM8900_REG_HPCTL1_HP_OPSTAGE_ENA; | |
338 | wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); | |
339 | ||
340 | /* Clamp the outputs and power down input */ | |
341 | hpctl1 |= WM8900_REG_HPCTL1_HP_CLAMP_IP | | |
342 | WM8900_REG_HPCTL1_HP_CLAMP_OP; | |
343 | hpctl1 &= ~WM8900_REG_HPCTL1_HP_IPSTAGE_ENA; | |
344 | wm8900_write(codec, WM8900_REG_HPCTL1, hpctl1); | |
345 | break; | |
346 | ||
347 | case SND_SOC_DAPM_POST_PMD: | |
348 | /* Disable everything */ | |
349 | wm8900_write(codec, WM8900_REG_HPCTL1, 0); | |
350 | break; | |
351 | ||
352 | default: | |
353 | BUG(); | |
354 | } | |
355 | ||
356 | return 0; | |
357 | } | |
358 | ||
359 | static const DECLARE_TLV_DB_SCALE(out_pga_tlv, -5700, 100, 0); | |
360 | ||
361 | static const DECLARE_TLV_DB_SCALE(out_mix_tlv, -1500, 300, 0); | |
362 | ||
363 | static const DECLARE_TLV_DB_SCALE(in_boost_tlv, -1200, 600, 0); | |
364 | ||
365 | static const DECLARE_TLV_DB_SCALE(in_pga_tlv, -1200, 100, 0); | |
366 | ||
367 | static const DECLARE_TLV_DB_SCALE(dac_boost_tlv, 0, 600, 0); | |
368 | ||
369 | static const DECLARE_TLV_DB_SCALE(dac_tlv, -7200, 75, 1); | |
370 | ||
371 | static const DECLARE_TLV_DB_SCALE(adc_svol_tlv, -3600, 300, 0); | |
372 | ||
373 | static const DECLARE_TLV_DB_SCALE(adc_tlv, -7200, 75, 1); | |
374 | ||
375 | static const char *mic_bias_level_txt[] = { "0.9*AVDD", "0.65*AVDD" }; | |
376 | ||
377 | static const struct soc_enum mic_bias_level = | |
378 | SOC_ENUM_SINGLE(WM8900_REG_INCTL, 8, 2, mic_bias_level_txt); | |
379 | ||
380 | static const char *dac_mute_rate_txt[] = { "Fast", "Slow" }; | |
381 | ||
382 | static const struct soc_enum dac_mute_rate = | |
383 | SOC_ENUM_SINGLE(WM8900_REG_DACCTRL, 7, 2, dac_mute_rate_txt); | |
384 | ||
385 | static const char *dac_deemphasis_txt[] = { | |
386 | "Disabled", "32kHz", "44.1kHz", "48kHz" | |
387 | }; | |
388 | ||
389 | static const struct soc_enum dac_deemphasis = | |
390 | SOC_ENUM_SINGLE(WM8900_REG_DACCTRL, 4, 4, dac_deemphasis_txt); | |
391 | ||
392 | static const char *adc_hpf_cut_txt[] = { | |
393 | "Hi-fi mode", "Voice mode 1", "Voice mode 2", "Voice mode 3" | |
394 | }; | |
395 | ||
396 | static const struct soc_enum adc_hpf_cut = | |
397 | SOC_ENUM_SINGLE(WM8900_REG_ADCCTRL, 5, 4, adc_hpf_cut_txt); | |
398 | ||
399 | static const char *lr_txt[] = { | |
400 | "Left", "Right" | |
401 | }; | |
402 | ||
403 | static const struct soc_enum aifl_src = | |
404 | SOC_ENUM_SINGLE(WM8900_REG_AUDIO1, 15, 2, lr_txt); | |
405 | ||
406 | static const struct soc_enum aifr_src = | |
407 | SOC_ENUM_SINGLE(WM8900_REG_AUDIO1, 14, 2, lr_txt); | |
408 | ||
409 | static const struct soc_enum dacl_src = | |
410 | SOC_ENUM_SINGLE(WM8900_REG_AUDIO2, 15, 2, lr_txt); | |
411 | ||
412 | static const struct soc_enum dacr_src = | |
413 | SOC_ENUM_SINGLE(WM8900_REG_AUDIO2, 14, 2, lr_txt); | |
414 | ||
415 | static const char *sidetone_txt[] = { | |
416 | "Disabled", "Left ADC", "Right ADC" | |
417 | }; | |
418 | ||
419 | static const struct soc_enum dacl_sidetone = | |
420 | SOC_ENUM_SINGLE(WM8900_REG_SIDETONE, 2, 3, sidetone_txt); | |
421 | ||
422 | static const struct soc_enum dacr_sidetone = | |
423 | SOC_ENUM_SINGLE(WM8900_REG_SIDETONE, 0, 3, sidetone_txt); | |
424 | ||
425 | static const struct snd_kcontrol_new wm8900_snd_controls[] = { | |
426 | SOC_ENUM("Mic Bias Level", mic_bias_level), | |
427 | ||
428 | SOC_SINGLE_TLV("Left Input PGA Volume", WM8900_REG_LINVOL, 0, 31, 0, | |
429 | in_pga_tlv), | |
430 | SOC_SINGLE("Left Input PGA Switch", WM8900_REG_LINVOL, 6, 1, 1), | |
431 | SOC_SINGLE("Left Input PGA ZC Switch", WM8900_REG_LINVOL, 7, 1, 0), | |
432 | ||
433 | SOC_SINGLE_TLV("Right Input PGA Volume", WM8900_REG_RINVOL, 0, 31, 0, | |
434 | in_pga_tlv), | |
435 | SOC_SINGLE("Right Input PGA Switch", WM8900_REG_RINVOL, 6, 1, 1), | |
436 | SOC_SINGLE("Right Input PGA ZC Switch", WM8900_REG_RINVOL, 7, 1, 0), | |
437 | ||
438 | SOC_SINGLE("DAC Soft Mute Switch", WM8900_REG_DACCTRL, 6, 1, 1), | |
439 | SOC_ENUM("DAC Mute Rate", dac_mute_rate), | |
440 | SOC_SINGLE("DAC Mono Switch", WM8900_REG_DACCTRL, 9, 1, 0), | |
441 | SOC_ENUM("DAC Deemphasis", dac_deemphasis), | |
442 | SOC_SINGLE("DAC Sloping Stopband Filter Switch", WM8900_REG_DACCTRL, 8, 1, 0), | |
443 | SOC_SINGLE("DAC Sigma-Delta Modulator Clock Switch", WM8900_REG_DACCTRL, | |
444 | 12, 1, 0), | |
445 | ||
446 | SOC_SINGLE("ADC HPF Switch", WM8900_REG_ADCCTRL, 8, 1, 0), | |
447 | SOC_ENUM("ADC HPF Cut-Off", adc_hpf_cut), | |
448 | SOC_DOUBLE("ADC Invert Switch", WM8900_REG_ADCCTRL, 1, 0, 1, 0), | |
449 | SOC_SINGLE_TLV("Left ADC Sidetone Volume", WM8900_REG_SIDETONE, 9, 12, 0, | |
450 | adc_svol_tlv), | |
451 | SOC_SINGLE_TLV("Right ADC Sidetone Volume", WM8900_REG_SIDETONE, 5, 12, 0, | |
452 | adc_svol_tlv), | |
453 | SOC_ENUM("Left Digital Audio Source", aifl_src), | |
454 | SOC_ENUM("Right Digital Audio Source", aifr_src), | |
455 | ||
456 | SOC_SINGLE_TLV("DAC Input Boost Volume", WM8900_REG_AUDIO2, 10, 4, 0, | |
457 | dac_boost_tlv), | |
458 | SOC_ENUM("Left DAC Source", dacl_src), | |
459 | SOC_ENUM("Right DAC Source", dacr_src), | |
460 | SOC_ENUM("Left DAC Sidetone", dacl_sidetone), | |
461 | SOC_ENUM("Right DAC Sidetone", dacr_sidetone), | |
462 | SOC_DOUBLE("DAC Invert Switch", WM8900_REG_DACCTRL, 1, 0, 1, 0), | |
463 | ||
464 | SOC_DOUBLE_R_TLV("Digital Playback Volume", | |
465 | WM8900_REG_LDAC_DV, WM8900_REG_RDAC_DV, | |
466 | 1, 96, 0, dac_tlv), | |
467 | SOC_DOUBLE_R_TLV("Digital Capture Volume", | |
468 | WM8900_REG_LADC_DV, WM8900_REG_RADC_DV, 1, 119, 0, adc_tlv), | |
469 | ||
470 | SOC_SINGLE_TLV("LINPUT3 Bypass Volume", WM8900_REG_LOUTMIXCTL1, 4, 7, 0, | |
471 | out_mix_tlv), | |
472 | SOC_SINGLE_TLV("RINPUT3 Bypass Volume", WM8900_REG_ROUTMIXCTL1, 4, 7, 0, | |
473 | out_mix_tlv), | |
474 | SOC_SINGLE_TLV("Left AUX Bypass Volume", WM8900_REG_AUXOUT_CTL, 4, 7, 0, | |
475 | out_mix_tlv), | |
476 | SOC_SINGLE_TLV("Right AUX Bypass Volume", WM8900_REG_AUXOUT_CTL, 0, 7, 0, | |
477 | out_mix_tlv), | |
478 | ||
479 | SOC_SINGLE_TLV("LeftIn to RightOut Mixer Volume", WM8900_REG_BYPASS1, 0, 7, 0, | |
480 | out_mix_tlv), | |
481 | SOC_SINGLE_TLV("LeftIn to LeftOut Mixer Volume", WM8900_REG_BYPASS1, 4, 7, 0, | |
482 | out_mix_tlv), | |
483 | SOC_SINGLE_TLV("RightIn to LeftOut Mixer Volume", WM8900_REG_BYPASS2, 0, 7, 0, | |
484 | out_mix_tlv), | |
485 | SOC_SINGLE_TLV("RightIn to RightOut Mixer Volume", WM8900_REG_BYPASS2, 4, 7, 0, | |
486 | out_mix_tlv), | |
487 | ||
488 | SOC_SINGLE_TLV("IN2L Boost Volume", WM8900_REG_INBOOSTMIX1, 0, 3, 0, | |
489 | in_boost_tlv), | |
490 | SOC_SINGLE_TLV("IN3L Boost Volume", WM8900_REG_INBOOSTMIX1, 4, 3, 0, | |
491 | in_boost_tlv), | |
492 | SOC_SINGLE_TLV("IN2R Boost Volume", WM8900_REG_INBOOSTMIX2, 0, 3, 0, | |
493 | in_boost_tlv), | |
494 | SOC_SINGLE_TLV("IN3R Boost Volume", WM8900_REG_INBOOSTMIX2, 4, 3, 0, | |
495 | in_boost_tlv), | |
496 | SOC_SINGLE_TLV("Left AUX Boost Volume", WM8900_REG_AUXBOOST, 4, 3, 0, | |
497 | in_boost_tlv), | |
498 | SOC_SINGLE_TLV("Right AUX Boost Volume", WM8900_REG_AUXBOOST, 0, 3, 0, | |
499 | in_boost_tlv), | |
500 | ||
501 | SOC_DOUBLE_R_TLV("LINEOUT1 Volume", WM8900_REG_LOUT1CTL, WM8900_REG_ROUT1CTL, | |
502 | 0, 63, 0, out_pga_tlv), | |
503 | SOC_DOUBLE_R("LINEOUT1 Switch", WM8900_REG_LOUT1CTL, WM8900_REG_ROUT1CTL, | |
504 | 6, 1, 1), | |
505 | SOC_DOUBLE_R("LINEOUT1 ZC Switch", WM8900_REG_LOUT1CTL, WM8900_REG_ROUT1CTL, | |
506 | 7, 1, 0), | |
507 | ||
508 | SOC_DOUBLE_R_TLV("LINEOUT2 Volume", | |
509 | WM8900_REG_LOUT2CTL, WM8900_REG_ROUT2CTL, | |
510 | 0, 63, 0, out_pga_tlv), | |
511 | SOC_DOUBLE_R("LINEOUT2 Switch", | |
512 | WM8900_REG_LOUT2CTL, WM8900_REG_ROUT2CTL, 6, 1, 1), | |
513 | SOC_DOUBLE_R("LINEOUT2 ZC Switch", | |
514 | WM8900_REG_LOUT2CTL, WM8900_REG_ROUT2CTL, 7, 1, 0), | |
515 | SOC_SINGLE("LINEOUT2 LP -12dB", WM8900_REG_LOUTMIXCTL1, | |
516 | 0, 1, 1), | |
517 | ||
518 | }; | |
519 | ||
0e0e16a8 MB |
520 | static const struct snd_kcontrol_new wm8900_dapm_loutput2_control = |
521 | SOC_DAPM_SINGLE("LINEOUT2L Switch", WM8900_REG_POWER3, 6, 1, 0); | |
522 | ||
523 | static const struct snd_kcontrol_new wm8900_dapm_routput2_control = | |
524 | SOC_DAPM_SINGLE("LINEOUT2R Switch", WM8900_REG_POWER3, 5, 1, 0); | |
525 | ||
526 | static const struct snd_kcontrol_new wm8900_loutmix_controls[] = { | |
527 | SOC_DAPM_SINGLE("LINPUT3 Bypass Switch", WM8900_REG_LOUTMIXCTL1, 7, 1, 0), | |
528 | SOC_DAPM_SINGLE("AUX Bypass Switch", WM8900_REG_AUXOUT_CTL, 7, 1, 0), | |
529 | SOC_DAPM_SINGLE("Left Input Mixer Switch", WM8900_REG_BYPASS1, 7, 1, 0), | |
530 | SOC_DAPM_SINGLE("Right Input Mixer Switch", WM8900_REG_BYPASS2, 3, 1, 0), | |
531 | SOC_DAPM_SINGLE("DACL Switch", WM8900_REG_LOUTMIXCTL1, 8, 1, 0), | |
532 | }; | |
533 | ||
534 | static const struct snd_kcontrol_new wm8900_routmix_controls[] = { | |
535 | SOC_DAPM_SINGLE("RINPUT3 Bypass Switch", WM8900_REG_ROUTMIXCTL1, 7, 1, 0), | |
536 | SOC_DAPM_SINGLE("AUX Bypass Switch", WM8900_REG_AUXOUT_CTL, 3, 1, 0), | |
537 | SOC_DAPM_SINGLE("Left Input Mixer Switch", WM8900_REG_BYPASS1, 3, 1, 0), | |
538 | SOC_DAPM_SINGLE("Right Input Mixer Switch", WM8900_REG_BYPASS2, 7, 1, 0), | |
539 | SOC_DAPM_SINGLE("DACR Switch", WM8900_REG_ROUTMIXCTL1, 8, 1, 0), | |
540 | }; | |
541 | ||
542 | static const struct snd_kcontrol_new wm8900_linmix_controls[] = { | |
543 | SOC_DAPM_SINGLE("LINPUT2 Switch", WM8900_REG_INBOOSTMIX1, 2, 1, 1), | |
544 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8900_REG_INBOOSTMIX1, 6, 1, 1), | |
545 | SOC_DAPM_SINGLE("AUX Switch", WM8900_REG_AUXBOOST, 6, 1, 1), | |
546 | SOC_DAPM_SINGLE("Input PGA Switch", WM8900_REG_ADCPATH, 6, 1, 0), | |
547 | }; | |
548 | ||
549 | static const struct snd_kcontrol_new wm8900_rinmix_controls[] = { | |
550 | SOC_DAPM_SINGLE("RINPUT2 Switch", WM8900_REG_INBOOSTMIX2, 2, 1, 1), | |
551 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8900_REG_INBOOSTMIX2, 6, 1, 1), | |
552 | SOC_DAPM_SINGLE("AUX Switch", WM8900_REG_AUXBOOST, 2, 1, 1), | |
553 | SOC_DAPM_SINGLE("Input PGA Switch", WM8900_REG_ADCPATH, 2, 1, 0), | |
554 | }; | |
555 | ||
556 | static const struct snd_kcontrol_new wm8900_linpga_controls[] = { | |
557 | SOC_DAPM_SINGLE("LINPUT1 Switch", WM8900_REG_INCTL, 6, 1, 0), | |
558 | SOC_DAPM_SINGLE("LINPUT2 Switch", WM8900_REG_INCTL, 5, 1, 0), | |
559 | SOC_DAPM_SINGLE("LINPUT3 Switch", WM8900_REG_INCTL, 4, 1, 0), | |
560 | }; | |
561 | ||
562 | static const struct snd_kcontrol_new wm8900_rinpga_controls[] = { | |
563 | SOC_DAPM_SINGLE("RINPUT1 Switch", WM8900_REG_INCTL, 2, 1, 0), | |
564 | SOC_DAPM_SINGLE("RINPUT2 Switch", WM8900_REG_INCTL, 1, 1, 0), | |
565 | SOC_DAPM_SINGLE("RINPUT3 Switch", WM8900_REG_INCTL, 0, 1, 0), | |
566 | }; | |
567 | ||
568 | static const char *wm9700_lp_mux[] = { "Disabled", "Enabled" }; | |
569 | ||
570 | static const struct soc_enum wm8900_lineout2_lp_mux = | |
571 | SOC_ENUM_SINGLE(WM8900_REG_LOUTMIXCTL1, 1, 2, wm9700_lp_mux); | |
572 | ||
573 | static const struct snd_kcontrol_new wm8900_lineout2_lp = | |
574 | SOC_DAPM_ENUM("Route", wm8900_lineout2_lp_mux); | |
575 | ||
576 | static const struct snd_soc_dapm_widget wm8900_dapm_widgets[] = { | |
577 | ||
578 | /* Externally visible pins */ | |
579 | SND_SOC_DAPM_OUTPUT("LINEOUT1L"), | |
580 | SND_SOC_DAPM_OUTPUT("LINEOUT1R"), | |
581 | SND_SOC_DAPM_OUTPUT("LINEOUT2L"), | |
582 | SND_SOC_DAPM_OUTPUT("LINEOUT2R"), | |
583 | SND_SOC_DAPM_OUTPUT("HP_L"), | |
584 | SND_SOC_DAPM_OUTPUT("HP_R"), | |
585 | ||
586 | SND_SOC_DAPM_INPUT("RINPUT1"), | |
587 | SND_SOC_DAPM_INPUT("LINPUT1"), | |
588 | SND_SOC_DAPM_INPUT("RINPUT2"), | |
589 | SND_SOC_DAPM_INPUT("LINPUT2"), | |
590 | SND_SOC_DAPM_INPUT("RINPUT3"), | |
591 | SND_SOC_DAPM_INPUT("LINPUT3"), | |
592 | SND_SOC_DAPM_INPUT("AUX"), | |
593 | ||
594 | SND_SOC_DAPM_VMID("VMID"), | |
595 | ||
596 | /* Input */ | |
597 | SND_SOC_DAPM_MIXER("Left Input PGA", WM8900_REG_POWER2, 3, 0, | |
598 | wm8900_linpga_controls, | |
599 | ARRAY_SIZE(wm8900_linpga_controls)), | |
600 | SND_SOC_DAPM_MIXER("Right Input PGA", WM8900_REG_POWER2, 2, 0, | |
601 | wm8900_rinpga_controls, | |
602 | ARRAY_SIZE(wm8900_rinpga_controls)), | |
603 | ||
604 | SND_SOC_DAPM_MIXER("Left Input Mixer", WM8900_REG_POWER2, 5, 0, | |
605 | wm8900_linmix_controls, | |
606 | ARRAY_SIZE(wm8900_linmix_controls)), | |
607 | SND_SOC_DAPM_MIXER("Right Input Mixer", WM8900_REG_POWER2, 4, 0, | |
608 | wm8900_rinmix_controls, | |
609 | ARRAY_SIZE(wm8900_rinmix_controls)), | |
610 | ||
611 | SND_SOC_DAPM_MICBIAS("Mic Bias", WM8900_REG_POWER1, 4, 0), | |
612 | ||
613 | SND_SOC_DAPM_ADC("ADCL", "Left HiFi Capture", WM8900_REG_POWER2, 1, 0), | |
614 | SND_SOC_DAPM_ADC("ADCR", "Right HiFi Capture", WM8900_REG_POWER2, 0, 0), | |
615 | ||
616 | /* Output */ | |
617 | SND_SOC_DAPM_DAC("DACL", "Left HiFi Playback", WM8900_REG_POWER3, 1, 0), | |
618 | SND_SOC_DAPM_DAC("DACR", "Right HiFi Playback", WM8900_REG_POWER3, 0, 0), | |
619 | ||
620 | SND_SOC_DAPM_PGA_E("Headphone Amplifier", WM8900_REG_POWER3, 7, 0, NULL, 0, | |
621 | wm8900_hp_event, | |
622 | SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | | |
623 | SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMD), | |
624 | ||
625 | SND_SOC_DAPM_PGA("LINEOUT1L PGA", WM8900_REG_POWER2, 8, 0, NULL, 0), | |
626 | SND_SOC_DAPM_PGA("LINEOUT1R PGA", WM8900_REG_POWER2, 7, 0, NULL, 0), | |
627 | ||
628 | SND_SOC_DAPM_MUX("LINEOUT2 LP", SND_SOC_NOPM, 0, 0, &wm8900_lineout2_lp), | |
629 | SND_SOC_DAPM_PGA("LINEOUT2L PGA", WM8900_REG_POWER3, 6, 0, NULL, 0), | |
630 | SND_SOC_DAPM_PGA("LINEOUT2R PGA", WM8900_REG_POWER3, 5, 0, NULL, 0), | |
631 | ||
632 | SND_SOC_DAPM_MIXER("Left Output Mixer", WM8900_REG_POWER3, 3, 0, | |
633 | wm8900_loutmix_controls, | |
634 | ARRAY_SIZE(wm8900_loutmix_controls)), | |
635 | SND_SOC_DAPM_MIXER("Right Output Mixer", WM8900_REG_POWER3, 2, 0, | |
636 | wm8900_routmix_controls, | |
637 | ARRAY_SIZE(wm8900_routmix_controls)), | |
638 | }; | |
639 | ||
640 | /* Target, Path, Source */ | |
641 | static const struct snd_soc_dapm_route audio_map[] = { | |
642 | /* Inputs */ | |
643 | {"Left Input PGA", "LINPUT1 Switch", "LINPUT1"}, | |
644 | {"Left Input PGA", "LINPUT2 Switch", "LINPUT2"}, | |
645 | {"Left Input PGA", "LINPUT3 Switch", "LINPUT3"}, | |
646 | ||
647 | {"Right Input PGA", "RINPUT1 Switch", "RINPUT1"}, | |
648 | {"Right Input PGA", "RINPUT2 Switch", "RINPUT2"}, | |
649 | {"Right Input PGA", "RINPUT3 Switch", "RINPUT3"}, | |
650 | ||
651 | {"Left Input Mixer", "LINPUT2 Switch", "LINPUT2"}, | |
652 | {"Left Input Mixer", "LINPUT3 Switch", "LINPUT3"}, | |
653 | {"Left Input Mixer", "AUX Switch", "AUX"}, | |
654 | {"Left Input Mixer", "Input PGA Switch", "Left Input PGA"}, | |
655 | ||
656 | {"Right Input Mixer", "RINPUT2 Switch", "RINPUT2"}, | |
657 | {"Right Input Mixer", "RINPUT3 Switch", "RINPUT3"}, | |
658 | {"Right Input Mixer", "AUX Switch", "AUX"}, | |
659 | {"Right Input Mixer", "Input PGA Switch", "Right Input PGA"}, | |
660 | ||
661 | {"ADCL", NULL, "Left Input Mixer"}, | |
662 | {"ADCR", NULL, "Right Input Mixer"}, | |
663 | ||
664 | /* Outputs */ | |
665 | {"LINEOUT1L", NULL, "LINEOUT1L PGA"}, | |
666 | {"LINEOUT1L PGA", NULL, "Left Output Mixer"}, | |
667 | {"LINEOUT1R", NULL, "LINEOUT1R PGA"}, | |
668 | {"LINEOUT1R PGA", NULL, "Right Output Mixer"}, | |
669 | ||
670 | {"LINEOUT2L PGA", NULL, "Left Output Mixer"}, | |
671 | {"LINEOUT2 LP", "Disabled", "LINEOUT2L PGA"}, | |
672 | {"LINEOUT2 LP", "Enabled", "Left Output Mixer"}, | |
673 | {"LINEOUT2L", NULL, "LINEOUT2 LP"}, | |
674 | ||
675 | {"LINEOUT2R PGA", NULL, "Right Output Mixer"}, | |
676 | {"LINEOUT2 LP", "Disabled", "LINEOUT2R PGA"}, | |
677 | {"LINEOUT2 LP", "Enabled", "Right Output Mixer"}, | |
678 | {"LINEOUT2R", NULL, "LINEOUT2 LP"}, | |
679 | ||
680 | {"Left Output Mixer", "LINPUT3 Bypass Switch", "LINPUT3"}, | |
681 | {"Left Output Mixer", "AUX Bypass Switch", "AUX"}, | |
682 | {"Left Output Mixer", "Left Input Mixer Switch", "Left Input Mixer"}, | |
683 | {"Left Output Mixer", "Right Input Mixer Switch", "Right Input Mixer"}, | |
684 | {"Left Output Mixer", "DACL Switch", "DACL"}, | |
685 | ||
686 | {"Right Output Mixer", "RINPUT3 Bypass Switch", "RINPUT3"}, | |
687 | {"Right Output Mixer", "AUX Bypass Switch", "AUX"}, | |
688 | {"Right Output Mixer", "Left Input Mixer Switch", "Left Input Mixer"}, | |
689 | {"Right Output Mixer", "Right Input Mixer Switch", "Right Input Mixer"}, | |
690 | {"Right Output Mixer", "DACR Switch", "DACR"}, | |
691 | ||
692 | /* Note that the headphone output stage needs to be connected | |
693 | * externally to LINEOUT2 via DC blocking capacitors. Other | |
694 | * configurations are not supported. | |
695 | * | |
696 | * Note also that left and right headphone paths are treated as a | |
697 | * mono path. | |
698 | */ | |
699 | {"Headphone Amplifier", NULL, "LINEOUT2 LP"}, | |
700 | {"Headphone Amplifier", NULL, "LINEOUT2 LP"}, | |
701 | {"HP_L", NULL, "Headphone Amplifier"}, | |
702 | {"HP_R", NULL, "Headphone Amplifier"}, | |
703 | }; | |
704 | ||
705 | static int wm8900_add_widgets(struct snd_soc_codec *codec) | |
706 | { | |
707 | snd_soc_dapm_new_controls(codec, wm8900_dapm_widgets, | |
708 | ARRAY_SIZE(wm8900_dapm_widgets)); | |
709 | ||
710 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | |
711 | ||
712 | snd_soc_dapm_new_widgets(codec); | |
713 | ||
714 | return 0; | |
715 | } | |
716 | ||
717 | static int wm8900_hw_params(struct snd_pcm_substream *substream, | |
dee89c4d MB |
718 | struct snd_pcm_hw_params *params, |
719 | struct snd_soc_dai *dai) | |
0e0e16a8 MB |
720 | { |
721 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
722 | struct snd_soc_device *socdev = rtd->socdev; | |
6627a653 | 723 | struct snd_soc_codec *codec = socdev->card->codec; |
0e0e16a8 MB |
724 | u16 reg; |
725 | ||
726 | reg = wm8900_read(codec, WM8900_REG_AUDIO1) & ~0x60; | |
727 | ||
728 | switch (params_format(params)) { | |
729 | case SNDRV_PCM_FORMAT_S16_LE: | |
730 | break; | |
731 | case SNDRV_PCM_FORMAT_S20_3LE: | |
732 | reg |= 0x20; | |
733 | break; | |
734 | case SNDRV_PCM_FORMAT_S24_LE: | |
735 | reg |= 0x40; | |
736 | break; | |
737 | case SNDRV_PCM_FORMAT_S32_LE: | |
738 | reg |= 0x60; | |
739 | break; | |
740 | default: | |
741 | return -EINVAL; | |
742 | } | |
743 | ||
744 | wm8900_write(codec, WM8900_REG_AUDIO1, reg); | |
745 | ||
746 | return 0; | |
747 | } | |
748 | ||
749 | /* FLL divisors */ | |
750 | struct _fll_div { | |
751 | u16 fll_ratio; | |
752 | u16 fllclk_div; | |
753 | u16 fll_slow_lock_ref; | |
754 | u16 n; | |
755 | u16 k; | |
756 | }; | |
757 | ||
758 | /* The size in bits of the FLL divide multiplied by 10 | |
759 | * to allow rounding later */ | |
760 | #define FIXED_FLL_SIZE ((1 << 16) * 10) | |
761 | ||
762 | static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, | |
763 | unsigned int Fout) | |
764 | { | |
765 | u64 Kpart; | |
766 | unsigned int K, Ndiv, Nmod, target; | |
767 | unsigned int div; | |
768 | ||
769 | BUG_ON(!Fout); | |
770 | ||
771 | /* The FLL must run at 90-100MHz which is then scaled down to | |
772 | * the output value by FLLCLK_DIV. */ | |
773 | target = Fout; | |
774 | div = 1; | |
775 | while (target < 90000000) { | |
776 | div *= 2; | |
777 | target *= 2; | |
778 | } | |
779 | ||
780 | if (target > 100000000) | |
781 | printk(KERN_WARNING "wm8900: FLL rate %d out of range, Fref=%d" | |
782 | " Fout=%d\n", target, Fref, Fout); | |
783 | if (div > 32) { | |
784 | printk(KERN_ERR "wm8900: Invalid FLL division rate %u, " | |
785 | "Fref=%d, Fout=%d, target=%d\n", | |
786 | div, Fref, Fout, target); | |
787 | return -EINVAL; | |
788 | } | |
789 | ||
790 | fll_div->fllclk_div = div >> 2; | |
791 | ||
792 | if (Fref < 48000) | |
793 | fll_div->fll_slow_lock_ref = 1; | |
794 | else | |
795 | fll_div->fll_slow_lock_ref = 0; | |
796 | ||
797 | Ndiv = target / Fref; | |
798 | ||
799 | if (Fref < 1000000) | |
800 | fll_div->fll_ratio = 8; | |
801 | else | |
802 | fll_div->fll_ratio = 1; | |
803 | ||
804 | fll_div->n = Ndiv / fll_div->fll_ratio; | |
805 | Nmod = (target / fll_div->fll_ratio) % Fref; | |
806 | ||
807 | /* Calculate fractional part - scale up so we can round. */ | |
808 | Kpart = FIXED_FLL_SIZE * (long long)Nmod; | |
809 | ||
810 | do_div(Kpart, Fref); | |
811 | ||
812 | K = Kpart & 0xFFFFFFFF; | |
813 | ||
814 | if ((K % 10) >= 5) | |
815 | K += 5; | |
816 | ||
817 | /* Move down to proper range now rounding is done */ | |
818 | fll_div->k = K / 10; | |
819 | ||
820 | BUG_ON(target != Fout * (fll_div->fllclk_div << 2)); | |
821 | BUG_ON(!K && target != Fref * fll_div->fll_ratio * fll_div->n); | |
822 | ||
823 | return 0; | |
824 | } | |
825 | ||
826 | static int wm8900_set_fll(struct snd_soc_codec *codec, | |
827 | int fll_id, unsigned int freq_in, unsigned int freq_out) | |
828 | { | |
829 | struct wm8900_priv *wm8900 = codec->private_data; | |
830 | struct _fll_div fll_div; | |
831 | unsigned int reg; | |
832 | ||
833 | if (wm8900->fll_in == freq_in && wm8900->fll_out == freq_out) | |
834 | return 0; | |
835 | ||
836 | /* The digital side should be disabled during any change. */ | |
837 | reg = wm8900_read(codec, WM8900_REG_POWER1); | |
838 | wm8900_write(codec, WM8900_REG_POWER1, | |
839 | reg & (~WM8900_REG_POWER1_FLL_ENA)); | |
840 | ||
841 | /* Disable the FLL? */ | |
842 | if (!freq_in || !freq_out) { | |
843 | reg = wm8900_read(codec, WM8900_REG_CLOCKING1); | |
844 | wm8900_write(codec, WM8900_REG_CLOCKING1, | |
845 | reg & (~WM8900_REG_CLOCKING1_MCLK_SRC)); | |
846 | ||
847 | reg = wm8900_read(codec, WM8900_REG_FLLCTL1); | |
848 | wm8900_write(codec, WM8900_REG_FLLCTL1, | |
849 | reg & (~WM8900_REG_FLLCTL1_OSC_ENA)); | |
850 | ||
851 | wm8900->fll_in = freq_in; | |
852 | wm8900->fll_out = freq_out; | |
853 | ||
854 | return 0; | |
855 | } | |
856 | ||
857 | if (fll_factors(&fll_div, freq_in, freq_out) != 0) | |
858 | goto reenable; | |
859 | ||
860 | wm8900->fll_in = freq_in; | |
861 | wm8900->fll_out = freq_out; | |
862 | ||
863 | /* The osclilator *MUST* be enabled before we enable the | |
864 | * digital circuit. */ | |
865 | wm8900_write(codec, WM8900_REG_FLLCTL1, | |
866 | fll_div.fll_ratio | WM8900_REG_FLLCTL1_OSC_ENA); | |
867 | ||
868 | wm8900_write(codec, WM8900_REG_FLLCTL4, fll_div.n >> 5); | |
869 | wm8900_write(codec, WM8900_REG_FLLCTL5, | |
870 | (fll_div.fllclk_div << 6) | (fll_div.n & 0x1f)); | |
871 | ||
872 | if (fll_div.k) { | |
873 | wm8900_write(codec, WM8900_REG_FLLCTL2, | |
874 | (fll_div.k >> 8) | 0x100); | |
875 | wm8900_write(codec, WM8900_REG_FLLCTL3, fll_div.k & 0xff); | |
876 | } else | |
877 | wm8900_write(codec, WM8900_REG_FLLCTL2, 0); | |
878 | ||
879 | if (fll_div.fll_slow_lock_ref) | |
880 | wm8900_write(codec, WM8900_REG_FLLCTL6, | |
881 | WM8900_REG_FLLCTL6_FLL_SLOW_LOCK_REF); | |
882 | else | |
883 | wm8900_write(codec, WM8900_REG_FLLCTL6, 0); | |
884 | ||
885 | reg = wm8900_read(codec, WM8900_REG_POWER1); | |
886 | wm8900_write(codec, WM8900_REG_POWER1, | |
887 | reg | WM8900_REG_POWER1_FLL_ENA); | |
888 | ||
889 | reenable: | |
890 | reg = wm8900_read(codec, WM8900_REG_CLOCKING1); | |
891 | wm8900_write(codec, WM8900_REG_CLOCKING1, | |
892 | reg | WM8900_REG_CLOCKING1_MCLK_SRC); | |
893 | ||
894 | return 0; | |
895 | } | |
896 | ||
897 | static int wm8900_set_dai_pll(struct snd_soc_dai *codec_dai, | |
898 | int pll_id, unsigned int freq_in, unsigned int freq_out) | |
899 | { | |
900 | return wm8900_set_fll(codec_dai->codec, pll_id, freq_in, freq_out); | |
901 | } | |
902 | ||
903 | static int wm8900_set_dai_clkdiv(struct snd_soc_dai *codec_dai, | |
904 | int div_id, int div) | |
905 | { | |
906 | struct snd_soc_codec *codec = codec_dai->codec; | |
907 | unsigned int reg; | |
908 | ||
909 | switch (div_id) { | |
910 | case WM8900_BCLK_DIV: | |
911 | reg = wm8900_read(codec, WM8900_REG_CLOCKING1); | |
912 | wm8900_write(codec, WM8900_REG_CLOCKING1, | |
913 | div | (reg & WM8900_REG_CLOCKING1_BCLK_MASK)); | |
914 | break; | |
915 | case WM8900_OPCLK_DIV: | |
916 | reg = wm8900_read(codec, WM8900_REG_CLOCKING1); | |
917 | wm8900_write(codec, WM8900_REG_CLOCKING1, | |
918 | div | (reg & WM8900_REG_CLOCKING1_OPCLK_MASK)); | |
919 | break; | |
920 | case WM8900_DAC_LRCLK: | |
921 | reg = wm8900_read(codec, WM8900_REG_AUDIO4); | |
922 | wm8900_write(codec, WM8900_REG_AUDIO4, | |
923 | div | (reg & WM8900_LRC_MASK)); | |
924 | break; | |
925 | case WM8900_ADC_LRCLK: | |
926 | reg = wm8900_read(codec, WM8900_REG_AUDIO3); | |
927 | wm8900_write(codec, WM8900_REG_AUDIO3, | |
928 | div | (reg & WM8900_LRC_MASK)); | |
929 | break; | |
930 | case WM8900_DAC_CLKDIV: | |
931 | reg = wm8900_read(codec, WM8900_REG_CLOCKING2); | |
932 | wm8900_write(codec, WM8900_REG_CLOCKING2, | |
933 | div | (reg & WM8900_REG_CLOCKING2_DAC_CLKDIV)); | |
934 | break; | |
935 | case WM8900_ADC_CLKDIV: | |
936 | reg = wm8900_read(codec, WM8900_REG_CLOCKING2); | |
937 | wm8900_write(codec, WM8900_REG_CLOCKING2, | |
938 | div | (reg & WM8900_REG_CLOCKING2_ADC_CLKDIV)); | |
939 | break; | |
940 | case WM8900_LRCLK_MODE: | |
941 | reg = wm8900_read(codec, WM8900_REG_DACCTRL); | |
942 | wm8900_write(codec, WM8900_REG_DACCTRL, | |
943 | div | (reg & WM8900_REG_DACCTRL_AIF_LRCLKRATE)); | |
944 | break; | |
945 | default: | |
946 | return -EINVAL; | |
947 | } | |
948 | ||
949 | return 0; | |
950 | } | |
951 | ||
952 | ||
953 | static int wm8900_set_dai_fmt(struct snd_soc_dai *codec_dai, | |
954 | unsigned int fmt) | |
955 | { | |
956 | struct snd_soc_codec *codec = codec_dai->codec; | |
957 | unsigned int clocking1, aif1, aif3, aif4; | |
958 | ||
959 | clocking1 = wm8900_read(codec, WM8900_REG_CLOCKING1); | |
960 | aif1 = wm8900_read(codec, WM8900_REG_AUDIO1); | |
961 | aif3 = wm8900_read(codec, WM8900_REG_AUDIO3); | |
962 | aif4 = wm8900_read(codec, WM8900_REG_AUDIO4); | |
963 | ||
964 | /* set master/slave audio interface */ | |
965 | switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { | |
966 | case SND_SOC_DAIFMT_CBS_CFS: | |
967 | clocking1 &= ~WM8900_REG_CLOCKING1_BCLK_DIR; | |
968 | aif3 &= ~WM8900_REG_AUDIO3_ADCLRC_DIR; | |
969 | aif4 &= ~WM8900_REG_AUDIO4_DACLRC_DIR; | |
970 | break; | |
971 | case SND_SOC_DAIFMT_CBS_CFM: | |
972 | clocking1 &= ~WM8900_REG_CLOCKING1_BCLK_DIR; | |
973 | aif3 |= WM8900_REG_AUDIO3_ADCLRC_DIR; | |
974 | aif4 |= WM8900_REG_AUDIO4_DACLRC_DIR; | |
975 | break; | |
976 | case SND_SOC_DAIFMT_CBM_CFM: | |
977 | clocking1 |= WM8900_REG_CLOCKING1_BCLK_DIR; | |
978 | aif3 |= WM8900_REG_AUDIO3_ADCLRC_DIR; | |
979 | aif4 |= WM8900_REG_AUDIO4_DACLRC_DIR; | |
980 | break; | |
981 | case SND_SOC_DAIFMT_CBM_CFS: | |
982 | clocking1 |= WM8900_REG_CLOCKING1_BCLK_DIR; | |
983 | aif3 &= ~WM8900_REG_AUDIO3_ADCLRC_DIR; | |
984 | aif4 &= ~WM8900_REG_AUDIO4_DACLRC_DIR; | |
985 | break; | |
986 | default: | |
987 | return -EINVAL; | |
988 | } | |
989 | ||
990 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
991 | case SND_SOC_DAIFMT_DSP_A: | |
992 | aif1 |= WM8900_REG_AUDIO1_AIF_FMT_MASK; | |
993 | aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV; | |
994 | break; | |
995 | case SND_SOC_DAIFMT_DSP_B: | |
996 | aif1 |= WM8900_REG_AUDIO1_AIF_FMT_MASK; | |
997 | aif1 |= WM8900_REG_AUDIO1_LRCLK_INV; | |
998 | break; | |
999 | case SND_SOC_DAIFMT_I2S: | |
1000 | aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK; | |
1001 | aif1 |= 0x10; | |
1002 | break; | |
1003 | case SND_SOC_DAIFMT_RIGHT_J: | |
1004 | aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK; | |
1005 | break; | |
1006 | case SND_SOC_DAIFMT_LEFT_J: | |
1007 | aif1 &= ~WM8900_REG_AUDIO1_AIF_FMT_MASK; | |
1008 | aif1 |= 0x8; | |
1009 | break; | |
1010 | default: | |
1011 | return -EINVAL; | |
1012 | } | |
1013 | ||
1014 | /* Clock inversion */ | |
1015 | switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { | |
1016 | case SND_SOC_DAIFMT_DSP_A: | |
1017 | case SND_SOC_DAIFMT_DSP_B: | |
1018 | /* frame inversion not valid for DSP modes */ | |
1019 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1020 | case SND_SOC_DAIFMT_NB_NF: | |
1021 | aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV; | |
1022 | break; | |
1023 | case SND_SOC_DAIFMT_IB_NF: | |
1024 | aif1 |= WM8900_REG_AUDIO1_BCLK_INV; | |
1025 | break; | |
1026 | default: | |
1027 | return -EINVAL; | |
1028 | } | |
1029 | break; | |
1030 | case SND_SOC_DAIFMT_I2S: | |
1031 | case SND_SOC_DAIFMT_RIGHT_J: | |
1032 | case SND_SOC_DAIFMT_LEFT_J: | |
1033 | switch (fmt & SND_SOC_DAIFMT_INV_MASK) { | |
1034 | case SND_SOC_DAIFMT_NB_NF: | |
1035 | aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV; | |
1036 | aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV; | |
1037 | break; | |
1038 | case SND_SOC_DAIFMT_IB_IF: | |
1039 | aif1 |= WM8900_REG_AUDIO1_BCLK_INV; | |
1040 | aif1 |= WM8900_REG_AUDIO1_LRCLK_INV; | |
1041 | break; | |
1042 | case SND_SOC_DAIFMT_IB_NF: | |
1043 | aif1 |= WM8900_REG_AUDIO1_BCLK_INV; | |
1044 | aif1 &= ~WM8900_REG_AUDIO1_LRCLK_INV; | |
1045 | break; | |
1046 | case SND_SOC_DAIFMT_NB_IF: | |
1047 | aif1 &= ~WM8900_REG_AUDIO1_BCLK_INV; | |
1048 | aif1 |= WM8900_REG_AUDIO1_LRCLK_INV; | |
1049 | break; | |
1050 | default: | |
1051 | return -EINVAL; | |
1052 | } | |
1053 | break; | |
1054 | default: | |
1055 | return -EINVAL; | |
1056 | } | |
1057 | ||
1058 | wm8900_write(codec, WM8900_REG_CLOCKING1, clocking1); | |
1059 | wm8900_write(codec, WM8900_REG_AUDIO1, aif1); | |
1060 | wm8900_write(codec, WM8900_REG_AUDIO3, aif3); | |
1061 | wm8900_write(codec, WM8900_REG_AUDIO4, aif4); | |
1062 | ||
1063 | return 0; | |
1064 | } | |
1065 | ||
1066 | static int wm8900_digital_mute(struct snd_soc_dai *codec_dai, int mute) | |
1067 | { | |
1068 | struct snd_soc_codec *codec = codec_dai->codec; | |
1069 | u16 reg; | |
1070 | ||
1071 | reg = wm8900_read(codec, WM8900_REG_DACCTRL); | |
1072 | ||
1073 | if (mute) | |
1074 | reg |= WM8900_REG_DACCTRL_MUTE; | |
1075 | else | |
1076 | reg &= ~WM8900_REG_DACCTRL_MUTE; | |
1077 | ||
1078 | wm8900_write(codec, WM8900_REG_DACCTRL, reg); | |
1079 | ||
1080 | return 0; | |
1081 | } | |
1082 | ||
1083 | #define WM8900_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\ | |
1084 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\ | |
1085 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) | |
1086 | ||
1087 | #define WM8900_PCM_FORMATS \ | |
1088 | (SNDRV_PCM_FORMAT_S16_LE | SNDRV_PCM_FORMAT_S20_3LE | \ | |
1089 | SNDRV_PCM_FORMAT_S24_LE) | |
1090 | ||
6335d055 EM |
1091 | static struct snd_soc_dai_ops wm8900_dai_ops = { |
1092 | .hw_params = wm8900_hw_params, | |
1093 | .set_clkdiv = wm8900_set_dai_clkdiv, | |
1094 | .set_pll = wm8900_set_dai_pll, | |
1095 | .set_fmt = wm8900_set_dai_fmt, | |
1096 | .digital_mute = wm8900_digital_mute, | |
1097 | }; | |
1098 | ||
0e0e16a8 MB |
1099 | struct snd_soc_dai wm8900_dai = { |
1100 | .name = "WM8900 HiFi", | |
1101 | .playback = { | |
1102 | .stream_name = "HiFi Playback", | |
1103 | .channels_min = 1, | |
1104 | .channels_max = 2, | |
1105 | .rates = WM8900_RATES, | |
1106 | .formats = WM8900_PCM_FORMATS, | |
1107 | }, | |
1108 | .capture = { | |
1109 | .stream_name = "HiFi Capture", | |
1110 | .channels_min = 1, | |
1111 | .channels_max = 2, | |
1112 | .rates = WM8900_RATES, | |
1113 | .formats = WM8900_PCM_FORMATS, | |
1114 | }, | |
6335d055 | 1115 | .ops = &wm8900_dai_ops, |
0e0e16a8 MB |
1116 | }; |
1117 | EXPORT_SYMBOL_GPL(wm8900_dai); | |
1118 | ||
1119 | static int wm8900_set_bias_level(struct snd_soc_codec *codec, | |
1120 | enum snd_soc_bias_level level) | |
1121 | { | |
1122 | u16 reg; | |
1123 | ||
1124 | switch (level) { | |
1125 | case SND_SOC_BIAS_ON: | |
1126 | /* Enable thermal shutdown */ | |
1127 | reg = wm8900_read(codec, WM8900_REG_GPIO); | |
1128 | wm8900_write(codec, WM8900_REG_GPIO, | |
1129 | reg | WM8900_REG_GPIO_TEMP_ENA); | |
1130 | reg = wm8900_read(codec, WM8900_REG_ADDCTL); | |
1131 | wm8900_write(codec, WM8900_REG_ADDCTL, | |
1132 | reg | WM8900_REG_ADDCTL_TEMP_SD); | |
1133 | break; | |
1134 | ||
1135 | case SND_SOC_BIAS_PREPARE: | |
1136 | break; | |
1137 | ||
1138 | case SND_SOC_BIAS_STANDBY: | |
1139 | /* Charge capacitors if initial power up */ | |
1140 | if (codec->bias_level == SND_SOC_BIAS_OFF) { | |
1141 | /* STARTUP_BIAS_ENA on */ | |
1142 | wm8900_write(codec, WM8900_REG_POWER1, | |
1143 | WM8900_REG_POWER1_STARTUP_BIAS_ENA); | |
1144 | ||
1145 | /* Startup bias mode */ | |
1146 | wm8900_write(codec, WM8900_REG_ADDCTL, | |
1147 | WM8900_REG_ADDCTL_BIAS_SRC | | |
1148 | WM8900_REG_ADDCTL_VMID_SOFTST); | |
1149 | ||
1150 | /* VMID 2x50k */ | |
1151 | wm8900_write(codec, WM8900_REG_POWER1, | |
1152 | WM8900_REG_POWER1_STARTUP_BIAS_ENA | 0x1); | |
1153 | ||
1154 | /* Allow capacitors to charge */ | |
1155 | schedule_timeout_interruptible(msecs_to_jiffies(400)); | |
1156 | ||
1157 | /* Enable bias */ | |
1158 | wm8900_write(codec, WM8900_REG_POWER1, | |
1159 | WM8900_REG_POWER1_STARTUP_BIAS_ENA | | |
1160 | WM8900_REG_POWER1_BIAS_ENA | 0x1); | |
1161 | ||
1162 | wm8900_write(codec, WM8900_REG_ADDCTL, 0); | |
1163 | ||
1164 | wm8900_write(codec, WM8900_REG_POWER1, | |
1165 | WM8900_REG_POWER1_BIAS_ENA | 0x1); | |
1166 | } | |
1167 | ||
1168 | reg = wm8900_read(codec, WM8900_REG_POWER1); | |
1169 | wm8900_write(codec, WM8900_REG_POWER1, | |
1170 | (reg & WM8900_REG_POWER1_FLL_ENA) | | |
1171 | WM8900_REG_POWER1_BIAS_ENA | 0x1); | |
1172 | wm8900_write(codec, WM8900_REG_POWER2, | |
1173 | WM8900_REG_POWER2_SYSCLK_ENA); | |
1174 | wm8900_write(codec, WM8900_REG_POWER3, 0); | |
1175 | break; | |
1176 | ||
1177 | case SND_SOC_BIAS_OFF: | |
1178 | /* Startup bias enable */ | |
1179 | reg = wm8900_read(codec, WM8900_REG_POWER1); | |
1180 | wm8900_write(codec, WM8900_REG_POWER1, | |
1181 | reg & WM8900_REG_POWER1_STARTUP_BIAS_ENA); | |
1182 | wm8900_write(codec, WM8900_REG_ADDCTL, | |
1183 | WM8900_REG_ADDCTL_BIAS_SRC | | |
1184 | WM8900_REG_ADDCTL_VMID_SOFTST); | |
1185 | ||
1186 | /* Discharge caps */ | |
1187 | wm8900_write(codec, WM8900_REG_POWER1, | |
1188 | WM8900_REG_POWER1_STARTUP_BIAS_ENA); | |
1189 | schedule_timeout_interruptible(msecs_to_jiffies(500)); | |
1190 | ||
1191 | /* Remove clamp */ | |
1192 | wm8900_write(codec, WM8900_REG_HPCTL1, 0); | |
1193 | ||
1194 | /* Power down */ | |
1195 | wm8900_write(codec, WM8900_REG_ADDCTL, 0); | |
1196 | wm8900_write(codec, WM8900_REG_POWER1, 0); | |
1197 | wm8900_write(codec, WM8900_REG_POWER2, 0); | |
1198 | wm8900_write(codec, WM8900_REG_POWER3, 0); | |
1199 | ||
1200 | /* Need to let things settle before stopping the clock | |
1201 | * to ensure that restart works, see "Stopping the | |
1202 | * master clock" in the datasheet. */ | |
1203 | schedule_timeout_interruptible(msecs_to_jiffies(1)); | |
1204 | wm8900_write(codec, WM8900_REG_POWER2, | |
1205 | WM8900_REG_POWER2_SYSCLK_ENA); | |
1206 | break; | |
1207 | } | |
1208 | codec->bias_level = level; | |
1209 | return 0; | |
1210 | } | |
1211 | ||
1212 | static int wm8900_suspend(struct platform_device *pdev, pm_message_t state) | |
1213 | { | |
1214 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
6627a653 | 1215 | struct snd_soc_codec *codec = socdev->card->codec; |
0e0e16a8 MB |
1216 | struct wm8900_priv *wm8900 = codec->private_data; |
1217 | int fll_out = wm8900->fll_out; | |
1218 | int fll_in = wm8900->fll_in; | |
1219 | int ret; | |
1220 | ||
1221 | /* Stop the FLL in an orderly fashion */ | |
1222 | ret = wm8900_set_fll(codec, 0, 0, 0); | |
1223 | if (ret != 0) { | |
1224 | dev_err(&pdev->dev, "Failed to stop FLL\n"); | |
1225 | return ret; | |
1226 | } | |
1227 | ||
1228 | wm8900->fll_out = fll_out; | |
1229 | wm8900->fll_in = fll_in; | |
1230 | ||
1231 | wm8900_set_bias_level(codec, SND_SOC_BIAS_OFF); | |
1232 | ||
1233 | return 0; | |
1234 | } | |
1235 | ||
1236 | static int wm8900_resume(struct platform_device *pdev) | |
1237 | { | |
1238 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
6627a653 | 1239 | struct snd_soc_codec *codec = socdev->card->codec; |
0e0e16a8 MB |
1240 | struct wm8900_priv *wm8900 = codec->private_data; |
1241 | u16 *cache; | |
1242 | int i, ret; | |
1243 | ||
1244 | cache = kmemdup(codec->reg_cache, sizeof(wm8900_reg_defaults), | |
1245 | GFP_KERNEL); | |
1246 | ||
1247 | wm8900_reset(codec); | |
1248 | wm8900_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
1249 | ||
1250 | /* Restart the FLL? */ | |
1251 | if (wm8900->fll_out) { | |
1252 | int fll_out = wm8900->fll_out; | |
1253 | int fll_in = wm8900->fll_in; | |
1254 | ||
1255 | wm8900->fll_in = 0; | |
1256 | wm8900->fll_out = 0; | |
1257 | ||
1258 | ret = wm8900_set_fll(codec, 0, fll_in, fll_out); | |
1259 | if (ret != 0) { | |
1260 | dev_err(&pdev->dev, "Failed to restart FLL\n"); | |
1261 | return ret; | |
1262 | } | |
1263 | } | |
1264 | ||
1265 | if (cache) { | |
1266 | for (i = 0; i < WM8900_MAXREG; i++) | |
1267 | wm8900_write(codec, i, cache[i]); | |
1268 | kfree(cache); | |
1269 | } else | |
1270 | dev_err(&pdev->dev, "Unable to allocate register cache\n"); | |
1271 | ||
1272 | return 0; | |
1273 | } | |
1274 | ||
78e19a39 MB |
1275 | static struct snd_soc_codec *wm8900_codec; |
1276 | ||
c6f29811 MB |
1277 | static __devinit int wm8900_i2c_probe(struct i2c_client *i2c, |
1278 | const struct i2c_device_id *id) | |
0e0e16a8 | 1279 | { |
78e19a39 MB |
1280 | struct wm8900_priv *wm8900; |
1281 | struct snd_soc_codec *codec; | |
0e0e16a8 | 1282 | unsigned int reg; |
78e19a39 MB |
1283 | int ret; |
1284 | ||
1285 | wm8900 = kzalloc(sizeof(struct wm8900_priv), GFP_KERNEL); | |
1286 | if (wm8900 == NULL) | |
1287 | return -ENOMEM; | |
1288 | ||
1289 | codec = &wm8900->codec; | |
1290 | codec->private_data = wm8900; | |
1291 | codec->reg_cache = &wm8900->reg_cache[0]; | |
1292 | codec->reg_cache_size = WM8900_MAXREG; | |
1293 | ||
1294 | mutex_init(&codec->mutex); | |
1295 | INIT_LIST_HEAD(&codec->dapm_widgets); | |
1296 | INIT_LIST_HEAD(&codec->dapm_paths); | |
0e0e16a8 MB |
1297 | |
1298 | codec->name = "WM8900"; | |
1299 | codec->owner = THIS_MODULE; | |
1300 | codec->read = wm8900_read; | |
1301 | codec->write = wm8900_write; | |
1302 | codec->dai = &wm8900_dai; | |
1303 | codec->num_dai = 1; | |
78e19a39 MB |
1304 | codec->hw_write = (hw_write_t)i2c_master_send; |
1305 | codec->control_data = i2c; | |
1306 | codec->set_bias_level = wm8900_set_bias_level; | |
1307 | codec->dev = &i2c->dev; | |
0e0e16a8 MB |
1308 | |
1309 | reg = wm8900_read(codec, WM8900_REG_ID); | |
1310 | if (reg != 0x8900) { | |
78e19a39 MB |
1311 | dev_err(&i2c->dev, "Device is not a WM8900 - ID %x\n", reg); |
1312 | ret = -ENODEV; | |
1313 | goto err; | |
0e0e16a8 MB |
1314 | } |
1315 | ||
1316 | /* Read back from the chip */ | |
1317 | reg = wm8900_chip_read(codec, WM8900_REG_POWER1); | |
1318 | reg = (reg >> 12) & 0xf; | |
78e19a39 | 1319 | dev_info(&i2c->dev, "WM8900 revision %d\n", reg); |
0e0e16a8 MB |
1320 | |
1321 | wm8900_reset(codec); | |
1322 | ||
78e19a39 MB |
1323 | /* Turn the chip on */ |
1324 | wm8900_set_bias_level(codec, SND_SOC_BIAS_STANDBY); | |
1325 | ||
0e0e16a8 MB |
1326 | /* Latch the volume update bits */ |
1327 | wm8900_write(codec, WM8900_REG_LINVOL, | |
1328 | wm8900_read(codec, WM8900_REG_LINVOL) | 0x100); | |
1329 | wm8900_write(codec, WM8900_REG_RINVOL, | |
1330 | wm8900_read(codec, WM8900_REG_RINVOL) | 0x100); | |
1331 | wm8900_write(codec, WM8900_REG_LOUT1CTL, | |
1332 | wm8900_read(codec, WM8900_REG_LOUT1CTL) | 0x100); | |
1333 | wm8900_write(codec, WM8900_REG_ROUT1CTL, | |
1334 | wm8900_read(codec, WM8900_REG_ROUT1CTL) | 0x100); | |
1335 | wm8900_write(codec, WM8900_REG_LOUT2CTL, | |
1336 | wm8900_read(codec, WM8900_REG_LOUT2CTL) | 0x100); | |
1337 | wm8900_write(codec, WM8900_REG_ROUT2CTL, | |
1338 | wm8900_read(codec, WM8900_REG_ROUT2CTL) | 0x100); | |
1339 | wm8900_write(codec, WM8900_REG_LDAC_DV, | |
1340 | wm8900_read(codec, WM8900_REG_LDAC_DV) | 0x100); | |
1341 | wm8900_write(codec, WM8900_REG_RDAC_DV, | |
1342 | wm8900_read(codec, WM8900_REG_RDAC_DV) | 0x100); | |
1343 | wm8900_write(codec, WM8900_REG_LADC_DV, | |
1344 | wm8900_read(codec, WM8900_REG_LADC_DV) | 0x100); | |
1345 | wm8900_write(codec, WM8900_REG_RADC_DV, | |
1346 | wm8900_read(codec, WM8900_REG_RADC_DV) | 0x100); | |
1347 | ||
1348 | /* Set the DAC and mixer output bias */ | |
1349 | wm8900_write(codec, WM8900_REG_OUTBIASCTL, 0x81); | |
1350 | ||
78e19a39 | 1351 | wm8900_dai.dev = &i2c->dev; |
0e0e16a8 | 1352 | |
78e19a39 | 1353 | wm8900_codec = codec; |
0e0e16a8 | 1354 | |
78e19a39 MB |
1355 | ret = snd_soc_register_codec(codec); |
1356 | if (ret != 0) { | |
1357 | dev_err(&i2c->dev, "Failed to register codec: %d\n", ret); | |
1358 | goto err; | |
1359 | } | |
0e0e16a8 | 1360 | |
78e19a39 MB |
1361 | ret = snd_soc_register_dai(&wm8900_dai); |
1362 | if (ret != 0) { | |
1363 | dev_err(&i2c->dev, "Failed to register DAI: %d\n", ret); | |
1364 | goto err_codec; | |
0e0e16a8 | 1365 | } |
0e0e16a8 | 1366 | |
0e0e16a8 | 1367 | return ret; |
0e0e16a8 | 1368 | |
78e19a39 MB |
1369 | err_codec: |
1370 | snd_soc_unregister_codec(codec); | |
1371 | err: | |
1372 | kfree(wm8900); | |
1373 | wm8900_codec = NULL; | |
1374 | return ret; | |
0e0e16a8 MB |
1375 | } |
1376 | ||
c6f29811 | 1377 | static __devexit int wm8900_i2c_remove(struct i2c_client *client) |
0e0e16a8 | 1378 | { |
f0752331 | 1379 | snd_soc_unregister_dai(&wm8900_dai); |
78e19a39 MB |
1380 | snd_soc_unregister_codec(wm8900_codec); |
1381 | ||
1382 | wm8900_set_bias_level(wm8900_codec, SND_SOC_BIAS_OFF); | |
1383 | ||
f0752331 | 1384 | wm8900_dai.dev = NULL; |
78e19a39 MB |
1385 | kfree(wm8900_codec->private_data); |
1386 | wm8900_codec = NULL; | |
1387 | ||
0e0e16a8 MB |
1388 | return 0; |
1389 | } | |
1390 | ||
8ae6a552 JD |
1391 | static const struct i2c_device_id wm8900_i2c_id[] = { |
1392 | { "wm8900", 0 }, | |
1393 | { } | |
1394 | }; | |
1395 | MODULE_DEVICE_TABLE(i2c, wm8900_i2c_id); | |
0e0e16a8 | 1396 | |
0e0e16a8 MB |
1397 | static struct i2c_driver wm8900_i2c_driver = { |
1398 | .driver = { | |
78e19a39 | 1399 | .name = "WM8900", |
0e0e16a8 MB |
1400 | .owner = THIS_MODULE, |
1401 | }, | |
8ae6a552 | 1402 | .probe = wm8900_i2c_probe, |
c6f29811 | 1403 | .remove = __devexit_p(wm8900_i2c_remove), |
8ae6a552 | 1404 | .id_table = wm8900_i2c_id, |
0e0e16a8 MB |
1405 | }; |
1406 | ||
0e0e16a8 MB |
1407 | static int wm8900_probe(struct platform_device *pdev) |
1408 | { | |
1409 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
0e0e16a8 MB |
1410 | struct snd_soc_codec *codec; |
1411 | int ret = 0; | |
1412 | ||
78e19a39 | 1413 | if (!wm8900_codec) { |
f0752331 MB |
1414 | dev_err(&pdev->dev, "I2C client not yet instantiated\n"); |
1415 | return -ENODEV; | |
1416 | } | |
0e0e16a8 | 1417 | |
78e19a39 | 1418 | codec = wm8900_codec; |
6627a653 | 1419 | socdev->card->codec = codec; |
0e0e16a8 | 1420 | |
78e19a39 MB |
1421 | /* Register pcms */ |
1422 | ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); | |
1423 | if (ret < 0) { | |
1424 | dev_err(&pdev->dev, "Failed to register new PCMs\n"); | |
1425 | goto pcm_err; | |
1426 | } | |
0e0e16a8 | 1427 | |
3e8e1952 IM |
1428 | snd_soc_add_controls(codec, wm8900_snd_controls, |
1429 | ARRAY_SIZE(wm8900_snd_controls)); | |
78e19a39 MB |
1430 | wm8900_add_widgets(codec); |
1431 | ||
1432 | ret = snd_soc_init_card(socdev); | |
1433 | if (ret < 0) { | |
1434 | dev_err(&pdev->dev, "Failed to register card\n"); | |
1435 | goto card_err; | |
1436 | } | |
f0752331 | 1437 | |
78e19a39 | 1438 | return ret; |
f0752331 | 1439 | |
78e19a39 MB |
1440 | card_err: |
1441 | snd_soc_free_pcms(socdev); | |
1442 | snd_soc_dapm_free(socdev); | |
1443 | pcm_err: | |
0e0e16a8 MB |
1444 | return ret; |
1445 | } | |
1446 | ||
1447 | /* power down chip */ | |
1448 | static int wm8900_remove(struct platform_device *pdev) | |
1449 | { | |
1450 | struct snd_soc_device *socdev = platform_get_drvdata(pdev); | |
0e0e16a8 MB |
1451 | |
1452 | snd_soc_free_pcms(socdev); | |
1453 | snd_soc_dapm_free(socdev); | |
0e0e16a8 MB |
1454 | |
1455 | return 0; | |
1456 | } | |
1457 | ||
1458 | struct snd_soc_codec_device soc_codec_dev_wm8900 = { | |
1459 | .probe = wm8900_probe, | |
1460 | .remove = wm8900_remove, | |
1461 | .suspend = wm8900_suspend, | |
1462 | .resume = wm8900_resume, | |
1463 | }; | |
1464 | EXPORT_SYMBOL_GPL(soc_codec_dev_wm8900); | |
1465 | ||
c9b3a40f | 1466 | static int __init wm8900_modinit(void) |
64089b84 | 1467 | { |
f0752331 | 1468 | return i2c_add_driver(&wm8900_i2c_driver); |
64089b84 MB |
1469 | } |
1470 | module_init(wm8900_modinit); | |
1471 | ||
1472 | static void __exit wm8900_exit(void) | |
1473 | { | |
f0752331 | 1474 | i2c_del_driver(&wm8900_i2c_driver); |
64089b84 MB |
1475 | } |
1476 | module_exit(wm8900_exit); | |
1477 | ||
0e0e16a8 MB |
1478 | MODULE_DESCRIPTION("ASoC WM8900 driver"); |
1479 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfonmicro.com>"); | |
1480 | MODULE_LICENSE("GPL"); |