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74930bb6 GG |
1 | /* |
2 | * neo1973_wm8753.c -- SoC audio for Neo1973 | |
3 | * | |
4 | * Copyright 2007 Wolfson Microelectronics PLC. | |
5 | * Author: Graeme Gregory | |
6 | * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify it | |
9 | * under the terms of the GNU General Public License as published by the | |
10 | * Free Software Foundation; either version 2 of the License, or (at your | |
11 | * option) any later version. | |
12 | * | |
13 | * Revision history | |
14 | * 20th Jan 2007 Initial version. | |
15 | * 05th Feb 2007 Rename all to Neo1973 | |
16 | * | |
17 | */ | |
18 | ||
19 | #include <linux/module.h> | |
20 | #include <linux/moduleparam.h> | |
21 | #include <linux/timer.h> | |
22 | #include <linux/interrupt.h> | |
23 | #include <linux/platform_device.h> | |
24 | #include <linux/i2c.h> | |
74930bb6 GG |
25 | #include <sound/core.h> |
26 | #include <sound/pcm.h> | |
27 | #include <sound/soc.h> | |
28 | #include <sound/soc-dapm.h> | |
29 | ||
30 | #include <asm/mach-types.h> | |
31 | #include <asm/hardware/scoop.h> | |
74930bb6 GG |
32 | #include <asm/arch/regs-clock.h> |
33 | #include <asm/arch/regs-gpio.h> | |
34 | #include <asm/hardware.h> | |
35 | #include <asm/arch/audio.h> | |
8ba02ace | 36 | #include <linux/io.h> |
74930bb6 | 37 | #include <asm/arch/spi-gpio.h> |
aa9673cf HW |
38 | |
39 | #include <asm/plat-s3c24xx/regs-iis.h> | |
40 | ||
74930bb6 GG |
41 | #include "../codecs/wm8753.h" |
42 | #include "lm4857.h" | |
43 | #include "s3c24xx-pcm.h" | |
44 | #include "s3c24xx-i2s.h" | |
45 | ||
46 | /* define the scenarios */ | |
47 | #define NEO_AUDIO_OFF 0 | |
48 | #define NEO_GSM_CALL_AUDIO_HANDSET 1 | |
49 | #define NEO_GSM_CALL_AUDIO_HEADSET 2 | |
50 | #define NEO_GSM_CALL_AUDIO_BLUETOOTH 3 | |
51 | #define NEO_STEREO_TO_SPEAKERS 4 | |
52 | #define NEO_STEREO_TO_HEADPHONES 5 | |
53 | #define NEO_CAPTURE_HANDSET 6 | |
54 | #define NEO_CAPTURE_HEADSET 7 | |
55 | #define NEO_CAPTURE_BLUETOOTH 8 | |
56 | ||
57 | static struct snd_soc_machine neo1973; | |
58 | static struct i2c_client *i2c; | |
59 | ||
60 | static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, | |
61 | struct snd_pcm_hw_params *params) | |
62 | { | |
63 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
64 | struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai; | |
65 | struct snd_soc_cpu_dai *cpu_dai = rtd->dai->cpu_dai; | |
66 | unsigned int pll_out = 0, bclk = 0; | |
67 | int ret = 0; | |
68 | unsigned long iis_clkrate; | |
69 | ||
70 | iis_clkrate = s3c24xx_i2s_get_clockrate(); | |
71 | ||
72 | switch (params_rate(params)) { | |
73 | case 8000: | |
74 | case 16000: | |
75 | pll_out = 12288000; | |
76 | break; | |
77 | case 48000: | |
78 | bclk = WM8753_BCLK_DIV_4; | |
79 | pll_out = 12288000; | |
80 | break; | |
81 | case 96000: | |
82 | bclk = WM8753_BCLK_DIV_2; | |
83 | pll_out = 12288000; | |
84 | break; | |
85 | case 11025: | |
86 | bclk = WM8753_BCLK_DIV_16; | |
87 | pll_out = 11289600; | |
88 | break; | |
89 | case 22050: | |
90 | bclk = WM8753_BCLK_DIV_8; | |
91 | pll_out = 11289600; | |
92 | break; | |
93 | case 44100: | |
94 | bclk = WM8753_BCLK_DIV_4; | |
95 | pll_out = 11289600; | |
96 | break; | |
97 | case 88200: | |
98 | bclk = WM8753_BCLK_DIV_2; | |
99 | pll_out = 11289600; | |
100 | break; | |
101 | } | |
102 | ||
103 | /* set codec DAI configuration */ | |
104 | ret = codec_dai->dai_ops.set_fmt(codec_dai, | |
105 | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | | |
106 | SND_SOC_DAIFMT_CBM_CFM); | |
107 | if (ret < 0) | |
108 | return ret; | |
109 | ||
110 | /* set cpu DAI configuration */ | |
111 | ret = cpu_dai->dai_ops.set_fmt(cpu_dai, | |
112 | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | | |
113 | SND_SOC_DAIFMT_CBM_CFM); | |
114 | if (ret < 0) | |
115 | return ret; | |
116 | ||
117 | /* set the codec system clock for DAC and ADC */ | |
118 | ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8753_MCLK, pll_out, | |
119 | SND_SOC_CLOCK_IN); | |
120 | if (ret < 0) | |
121 | return ret; | |
122 | ||
123 | /* set MCLK division for sample rate */ | |
124 | ret = cpu_dai->dai_ops.set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK, | |
8ba02ace | 125 | S3C2410_IISMOD_32FS); |
74930bb6 GG |
126 | if (ret < 0) |
127 | return ret; | |
128 | ||
129 | /* set codec BCLK division for sample rate */ | |
130 | ret = codec_dai->dai_ops.set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk); | |
131 | if (ret < 0) | |
132 | return ret; | |
133 | ||
134 | /* set prescaler division for sample rate */ | |
135 | ret = cpu_dai->dai_ops.set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER, | |
8ba02ace | 136 | S3C24XX_PRESCALE(4, 4)); |
74930bb6 GG |
137 | if (ret < 0) |
138 | return ret; | |
139 | ||
140 | /* codec PLL input is PCLK/4 */ | |
141 | ret = codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL1, | |
142 | iis_clkrate / 4, pll_out); | |
143 | if (ret < 0) | |
144 | return ret; | |
145 | ||
146 | return 0; | |
147 | } | |
148 | ||
149 | static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream) | |
150 | { | |
151 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
152 | struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai; | |
153 | ||
154 | /* disable the PLL */ | |
155 | return codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL1, 0, 0); | |
156 | } | |
157 | ||
158 | /* | |
159 | * Neo1973 WM8753 HiFi DAI opserations. | |
160 | */ | |
161 | static struct snd_soc_ops neo1973_hifi_ops = { | |
162 | .hw_params = neo1973_hifi_hw_params, | |
163 | .hw_free = neo1973_hifi_hw_free, | |
164 | }; | |
165 | ||
166 | static int neo1973_voice_hw_params(struct snd_pcm_substream *substream, | |
167 | struct snd_pcm_hw_params *params) | |
168 | { | |
169 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
170 | struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai; | |
171 | unsigned int pcmdiv = 0; | |
172 | int ret = 0; | |
173 | unsigned long iis_clkrate; | |
174 | ||
175 | iis_clkrate = s3c24xx_i2s_get_clockrate(); | |
176 | ||
177 | if (params_rate(params) != 8000) | |
178 | return -EINVAL; | |
179 | if (params_channels(params) != 1) | |
180 | return -EINVAL; | |
181 | ||
182 | pcmdiv = WM8753_PCM_DIV_6; /* 2.048 MHz */ | |
183 | ||
184 | /* todo: gg check mode (DSP_B) against CSR datasheet */ | |
185 | /* set codec DAI configuration */ | |
186 | ret = codec_dai->dai_ops.set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B | | |
187 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); | |
188 | if (ret < 0) | |
189 | return ret; | |
190 | ||
191 | /* set the codec system clock for DAC and ADC */ | |
192 | ret = codec_dai->dai_ops.set_sysclk(codec_dai, WM8753_PCMCLK, 12288000, | |
193 | SND_SOC_CLOCK_IN); | |
194 | if (ret < 0) | |
195 | return ret; | |
196 | ||
197 | /* set codec PCM division for sample rate */ | |
198 | ret = codec_dai->dai_ops.set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv); | |
199 | if (ret < 0) | |
200 | return ret; | |
201 | ||
202 | /* configue and enable PLL for 12.288MHz output */ | |
203 | ret = codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL2, | |
204 | iis_clkrate / 4, 12288000); | |
205 | if (ret < 0) | |
206 | return ret; | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
211 | static int neo1973_voice_hw_free(struct snd_pcm_substream *substream) | |
212 | { | |
213 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
214 | struct snd_soc_codec_dai *codec_dai = rtd->dai->codec_dai; | |
215 | ||
216 | /* disable the PLL */ | |
217 | return codec_dai->dai_ops.set_pll(codec_dai, WM8753_PLL2, 0, 0); | |
218 | } | |
219 | ||
220 | static struct snd_soc_ops neo1973_voice_ops = { | |
221 | .hw_params = neo1973_voice_hw_params, | |
222 | .hw_free = neo1973_voice_hw_free, | |
223 | }; | |
224 | ||
8ba02ace | 225 | static int neo1973_scenario; |
74930bb6 GG |
226 | |
227 | static int neo1973_get_scenario(struct snd_kcontrol *kcontrol, | |
228 | struct snd_ctl_elem_value *ucontrol) | |
229 | { | |
230 | ucontrol->value.integer.value[0] = neo1973_scenario; | |
231 | return 0; | |
232 | } | |
233 | ||
234 | static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario) | |
235 | { | |
8ba02ace | 236 | switch (neo1973_scenario) { |
74930bb6 GG |
237 | case NEO_AUDIO_OFF: |
238 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 0); | |
239 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0); | |
240 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0); | |
241 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0); | |
242 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 0); | |
243 | break; | |
244 | case NEO_GSM_CALL_AUDIO_HANDSET: | |
245 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 1); | |
246 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 1); | |
247 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 1); | |
248 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0); | |
249 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 1); | |
250 | break; | |
251 | case NEO_GSM_CALL_AUDIO_HEADSET: | |
252 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 1); | |
253 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 1); | |
254 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 1); | |
255 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 1); | |
256 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 0); | |
257 | break; | |
258 | case NEO_GSM_CALL_AUDIO_BLUETOOTH: | |
259 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 0); | |
260 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 1); | |
261 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 1); | |
262 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0); | |
263 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 0); | |
264 | break; | |
265 | case NEO_STEREO_TO_SPEAKERS: | |
266 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 1); | |
267 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0); | |
268 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0); | |
269 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0); | |
270 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 0); | |
271 | break; | |
272 | case NEO_STEREO_TO_HEADPHONES: | |
273 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 1); | |
274 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0); | |
275 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0); | |
276 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0); | |
277 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 0); | |
278 | break; | |
279 | case NEO_CAPTURE_HANDSET: | |
280 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 0); | |
281 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0); | |
282 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0); | |
283 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0); | |
284 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 1); | |
285 | break; | |
286 | case NEO_CAPTURE_HEADSET: | |
287 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 0); | |
288 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0); | |
289 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0); | |
290 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 1); | |
291 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 0); | |
292 | break; | |
293 | case NEO_CAPTURE_BLUETOOTH: | |
294 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 0); | |
295 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0); | |
296 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0); | |
297 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0); | |
298 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 0); | |
299 | break; | |
300 | default: | |
301 | snd_soc_dapm_set_endpoint(codec, "Audio Out", 0); | |
302 | snd_soc_dapm_set_endpoint(codec, "GSM Line Out", 0); | |
303 | snd_soc_dapm_set_endpoint(codec, "GSM Line In", 0); | |
304 | snd_soc_dapm_set_endpoint(codec, "Headset Mic", 0); | |
305 | snd_soc_dapm_set_endpoint(codec, "Call Mic", 0); | |
306 | } | |
307 | ||
308 | snd_soc_dapm_sync_endpoints(codec); | |
309 | ||
310 | return 0; | |
311 | } | |
312 | ||
313 | static int neo1973_set_scenario(struct snd_kcontrol *kcontrol, | |
314 | struct snd_ctl_elem_value *ucontrol) | |
315 | { | |
316 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
317 | ||
318 | if (neo1973_scenario == ucontrol->value.integer.value[0]) | |
319 | return 0; | |
320 | ||
321 | neo1973_scenario = ucontrol->value.integer.value[0]; | |
322 | set_scenario_endpoints(codec, neo1973_scenario); | |
323 | return 1; | |
324 | } | |
325 | ||
326 | static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0}; | |
327 | ||
328 | static void lm4857_write_regs(void) | |
329 | { | |
330 | if (i2c_master_send(i2c, lm4857_regs, 4) != 4) | |
331 | printk(KERN_ERR "lm4857: i2c write failed\n"); | |
332 | } | |
333 | ||
334 | static int lm4857_get_reg(struct snd_kcontrol *kcontrol, | |
335 | struct snd_ctl_elem_value *ucontrol) | |
336 | { | |
8ba02ace | 337 | int reg = kcontrol->private_value & 0xFF; |
74930bb6 GG |
338 | int shift = (kcontrol->private_value >> 8) & 0x0F; |
339 | int mask = (kcontrol->private_value >> 16) & 0xFF; | |
340 | ||
341 | ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask; | |
342 | return 0; | |
343 | } | |
344 | ||
345 | static int lm4857_set_reg(struct snd_kcontrol *kcontrol, | |
346 | struct snd_ctl_elem_value *ucontrol) | |
347 | { | |
348 | int reg = kcontrol->private_value & 0xFF; | |
349 | int shift = (kcontrol->private_value >> 8) & 0x0F; | |
350 | int mask = (kcontrol->private_value >> 16) & 0xFF; | |
351 | ||
8ba02ace | 352 | if (((lm4857_regs[reg] >> shift) & mask) == |
74930bb6 GG |
353 | ucontrol->value.integer.value[0]) |
354 | return 0; | |
355 | ||
8ba02ace | 356 | lm4857_regs[reg] &= ~(mask << shift); |
74930bb6 GG |
357 | lm4857_regs[reg] |= ucontrol->value.integer.value[0] << shift; |
358 | lm4857_write_regs(); | |
359 | return 1; | |
360 | } | |
361 | ||
362 | static int lm4857_get_mode(struct snd_kcontrol *kcontrol, | |
363 | struct snd_ctl_elem_value *ucontrol) | |
364 | { | |
365 | u8 value = lm4857_regs[LM4857_CTRL] & 0x0F; | |
366 | ||
367 | if (value) | |
368 | value -= 5; | |
369 | ||
370 | ucontrol->value.integer.value[0] = value; | |
371 | return 0; | |
372 | } | |
373 | ||
374 | static int lm4857_set_mode(struct snd_kcontrol *kcontrol, | |
375 | struct snd_ctl_elem_value *ucontrol) | |
376 | { | |
377 | u8 value = ucontrol->value.integer.value[0]; | |
378 | ||
379 | if (value) | |
380 | value += 5; | |
381 | ||
382 | if ((lm4857_regs[LM4857_CTRL] & 0x0F) == value) | |
383 | return 0; | |
384 | ||
385 | lm4857_regs[LM4857_CTRL] &= 0xF0; | |
386 | lm4857_regs[LM4857_CTRL] |= value; | |
387 | lm4857_write_regs(); | |
388 | return 1; | |
389 | } | |
390 | ||
391 | static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { | |
392 | SND_SOC_DAPM_LINE("Audio Out", NULL), | |
393 | SND_SOC_DAPM_LINE("GSM Line Out", NULL), | |
394 | SND_SOC_DAPM_LINE("GSM Line In", NULL), | |
395 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
396 | SND_SOC_DAPM_MIC("Call Mic", NULL), | |
397 | }; | |
398 | ||
399 | ||
400 | /* example machine audio_mapnections */ | |
8ba02ace | 401 | static const char *audio_map[][3] = { |
74930bb6 GG |
402 | |
403 | /* Connections to the lm4857 amp */ | |
404 | {"Audio Out", NULL, "LOUT1"}, | |
405 | {"Audio Out", NULL, "ROUT1"}, | |
406 | ||
407 | /* Connections to the GSM Module */ | |
408 | {"GSM Line Out", NULL, "MONO1"}, | |
409 | {"GSM Line Out", NULL, "MONO2"}, | |
410 | {"RXP", NULL, "GSM Line In"}, | |
411 | {"RXN", NULL, "GSM Line In"}, | |
412 | ||
413 | /* Connections to Headset */ | |
414 | {"MIC1", NULL, "Mic Bias"}, | |
415 | {"Mic Bias", NULL, "Headset Mic"}, | |
416 | ||
417 | /* Call Mic */ | |
418 | {"MIC2", NULL, "Mic Bias"}, | |
419 | {"MIC2N", NULL, "Mic Bias"}, | |
420 | {"Mic Bias", NULL, "Call Mic"}, | |
421 | ||
422 | /* Connect the ALC pins */ | |
423 | {"ACIN", NULL, "ACOP"}, | |
424 | ||
425 | {NULL, NULL, NULL}, | |
426 | }; | |
427 | ||
428 | static const char *lm4857_mode[] = { | |
429 | "Off", | |
430 | "Call Speaker", | |
431 | "Stereo Speakers", | |
432 | "Stereo Speakers + Headphones", | |
433 | "Headphones" | |
434 | }; | |
435 | ||
436 | static const struct soc_enum lm4857_mode_enum[] = { | |
437 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lm4857_mode), lm4857_mode), | |
438 | }; | |
439 | ||
440 | static const char *neo_scenarios[] = { | |
441 | "Off", | |
442 | "GSM Handset", | |
443 | "GSM Headset", | |
444 | "GSM Bluetooth", | |
445 | "Speakers", | |
446 | "Headphones", | |
447 | "Capture Handset", | |
448 | "Capture Headset", | |
449 | "Capture Bluetooth" | |
450 | }; | |
451 | ||
452 | static const struct soc_enum neo_scenario_enum[] = { | |
8ba02ace | 453 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios), |
74930bb6 GG |
454 | }; |
455 | ||
456 | static const struct snd_kcontrol_new wm8753_neo1973_controls[] = { | |
457 | SOC_SINGLE_EXT("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0, | |
458 | lm4857_get_reg, lm4857_set_reg), | |
459 | SOC_SINGLE_EXT("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0, | |
460 | lm4857_get_reg, lm4857_set_reg), | |
461 | SOC_SINGLE_EXT("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0, | |
462 | lm4857_get_reg, lm4857_set_reg), | |
463 | SOC_ENUM_EXT("Amp Mode", lm4857_mode_enum[0], | |
464 | lm4857_get_mode, lm4857_set_mode), | |
465 | SOC_ENUM_EXT("Neo Mode", neo_scenario_enum[0], | |
466 | neo1973_get_scenario, neo1973_set_scenario), | |
467 | SOC_SINGLE_EXT("Amp Spk 3D Playback Switch", LM4857_LVOL, 5, 1, 0, | |
468 | lm4857_get_reg, lm4857_set_reg), | |
469 | SOC_SINGLE_EXT("Amp HP 3d Playback Switch", LM4857_RVOL, 5, 1, 0, | |
470 | lm4857_get_reg, lm4857_set_reg), | |
471 | SOC_SINGLE_EXT("Amp Fast Wakeup Playback Switch", LM4857_CTRL, 5, 1, 0, | |
472 | lm4857_get_reg, lm4857_set_reg), | |
473 | SOC_SINGLE_EXT("Amp Earpiece 6dB Playback Switch", LM4857_CTRL, 4, 1, 0, | |
474 | lm4857_get_reg, lm4857_set_reg), | |
475 | }; | |
476 | ||
477 | /* | |
478 | * This is an example machine initialisation for a wm8753 connected to a | |
479 | * neo1973 II. It is missing logic to detect hp/mic insertions and logic | |
480 | * to re-route the audio in such an event. | |
481 | */ | |
482 | static int neo1973_wm8753_init(struct snd_soc_codec *codec) | |
483 | { | |
484 | int i, err; | |
485 | ||
486 | /* set up NC codec pins */ | |
487 | snd_soc_dapm_set_endpoint(codec, "LOUT2", 0); | |
488 | snd_soc_dapm_set_endpoint(codec, "ROUT2", 0); | |
489 | snd_soc_dapm_set_endpoint(codec, "OUT3", 0); | |
490 | snd_soc_dapm_set_endpoint(codec, "OUT4", 0); | |
491 | snd_soc_dapm_set_endpoint(codec, "LINE1", 0); | |
492 | snd_soc_dapm_set_endpoint(codec, "LINE2", 0); | |
493 | ||
494 | ||
495 | /* set endpoints to default mode */ | |
496 | set_scenario_endpoints(codec, NEO_AUDIO_OFF); | |
497 | ||
498 | /* Add neo1973 specific widgets */ | |
499 | for (i = 0; i < ARRAY_SIZE(wm8753_dapm_widgets); i++) | |
500 | snd_soc_dapm_new_control(codec, &wm8753_dapm_widgets[i]); | |
501 | ||
502 | /* add neo1973 specific controls */ | |
503 | for (i = 0; i < ARRAY_SIZE(wm8753_neo1973_controls); i++) { | |
504 | err = snd_ctl_add(codec->card, | |
505 | snd_soc_cnew(&wm8753_neo1973_controls[i], | |
506 | codec, NULL)); | |
507 | if (err < 0) | |
508 | return err; | |
509 | } | |
510 | ||
511 | /* set up neo1973 specific audio path audio_mapnects */ | |
512 | for (i = 0; audio_map[i][0] != NULL; i++) { | |
513 | snd_soc_dapm_connect_input(codec, audio_map[i][0], | |
514 | audio_map[i][1], audio_map[i][2]); | |
515 | } | |
516 | ||
517 | snd_soc_dapm_sync_endpoints(codec); | |
518 | return 0; | |
519 | } | |
520 | ||
521 | /* | |
522 | * BT Codec DAI | |
523 | */ | |
8ba02ace GG |
524 | static struct snd_soc_cpu_dai bt_dai = { |
525 | .name = "Bluetooth", | |
74930bb6 GG |
526 | .id = 0, |
527 | .type = SND_SOC_DAI_PCM, | |
528 | .playback = { | |
529 | .channels_min = 1, | |
530 | .channels_max = 1, | |
531 | .rates = SNDRV_PCM_RATE_8000, | |
532 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
533 | .capture = { | |
534 | .channels_min = 1, | |
535 | .channels_max = 1, | |
536 | .rates = SNDRV_PCM_RATE_8000, | |
537 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
538 | }; | |
539 | ||
540 | static struct snd_soc_dai_link neo1973_dai[] = { | |
541 | { /* Hifi Playback - for similatious use with voice below */ | |
542 | .name = "WM8753", | |
543 | .stream_name = "WM8753 HiFi", | |
544 | .cpu_dai = &s3c24xx_i2s_dai, | |
545 | .codec_dai = &wm8753_dai[WM8753_DAI_HIFI], | |
546 | .init = neo1973_wm8753_init, | |
547 | .ops = &neo1973_hifi_ops, | |
548 | }, | |
549 | { /* Voice via BT */ | |
550 | .name = "Bluetooth", | |
551 | .stream_name = "Voice", | |
552 | .cpu_dai = &bt_dai, | |
553 | .codec_dai = &wm8753_dai[WM8753_DAI_VOICE], | |
554 | .ops = &neo1973_voice_ops, | |
555 | }, | |
556 | }; | |
557 | ||
558 | static struct snd_soc_machine neo1973 = { | |
559 | .name = "neo1973", | |
560 | .dai_link = neo1973_dai, | |
561 | .num_links = ARRAY_SIZE(neo1973_dai), | |
562 | }; | |
563 | ||
564 | static struct wm8753_setup_data neo1973_wm8753_setup = { | |
565 | .i2c_address = 0x1a, | |
566 | }; | |
567 | ||
568 | static struct snd_soc_device neo1973_snd_devdata = { | |
569 | .machine = &neo1973, | |
570 | .platform = &s3c24xx_soc_platform, | |
571 | .codec_dev = &soc_codec_dev_wm8753, | |
572 | .codec_data = &neo1973_wm8753_setup, | |
573 | }; | |
574 | ||
575 | static struct i2c_client client_template; | |
576 | ||
2cdddeb8 | 577 | static const unsigned short normal_i2c[] = { 0x7C, I2C_CLIENT_END }; |
74930bb6 GG |
578 | |
579 | /* Magic definition of all other variables and things */ | |
580 | I2C_CLIENT_INSMOD; | |
581 | ||
582 | static int lm4857_amp_probe(struct i2c_adapter *adap, int addr, int kind) | |
583 | { | |
584 | int ret; | |
585 | ||
586 | client_template.adapter = adap; | |
587 | client_template.addr = addr; | |
588 | ||
589 | i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); | |
590 | if (i2c == NULL) | |
591 | return -ENOMEM; | |
592 | ||
593 | ret = i2c_attach_client(i2c); | |
594 | if (ret < 0) { | |
595 | printk(KERN_ERR "LM4857 failed to attach at addr %x\n", addr); | |
596 | goto exit_err; | |
597 | } | |
598 | ||
599 | lm4857_write_regs(); | |
600 | return ret; | |
601 | ||
602 | exit_err: | |
603 | kfree(i2c); | |
604 | return ret; | |
605 | } | |
606 | ||
607 | static int lm4857_i2c_detach(struct i2c_client *client) | |
608 | { | |
609 | i2c_detach_client(client); | |
610 | kfree(client); | |
611 | return 0; | |
612 | } | |
613 | ||
614 | static int lm4857_i2c_attach(struct i2c_adapter *adap) | |
615 | { | |
616 | return i2c_probe(adap, &addr_data, lm4857_amp_probe); | |
617 | } | |
618 | ||
619 | /* corgi i2c codec control layer */ | |
620 | static struct i2c_driver lm4857_i2c_driver = { | |
621 | .driver = { | |
622 | .name = "LM4857 I2C Amp", | |
623 | .owner = THIS_MODULE, | |
624 | }, | |
625 | .id = I2C_DRIVERID_LM4857, | |
626 | .attach_adapter = lm4857_i2c_attach, | |
627 | .detach_client = lm4857_i2c_detach, | |
628 | .command = NULL, | |
629 | }; | |
630 | ||
631 | static struct i2c_client client_template = { | |
632 | .name = "LM4857", | |
633 | .driver = &lm4857_i2c_driver, | |
634 | }; | |
635 | ||
636 | static struct platform_device *neo1973_snd_device; | |
637 | ||
638 | static int __init neo1973_init(void) | |
639 | { | |
640 | int ret; | |
641 | ||
642 | neo1973_snd_device = platform_device_alloc("soc-audio", -1); | |
643 | if (!neo1973_snd_device) | |
644 | return -ENOMEM; | |
645 | ||
646 | platform_set_drvdata(neo1973_snd_device, &neo1973_snd_devdata); | |
647 | neo1973_snd_devdata.dev = &neo1973_snd_device->dev; | |
648 | ret = platform_device_add(neo1973_snd_device); | |
649 | ||
650 | if (ret) | |
651 | platform_device_put(neo1973_snd_device); | |
652 | ||
653 | ret = i2c_add_driver(&lm4857_i2c_driver); | |
654 | if (ret != 0) | |
655 | printk(KERN_ERR "can't add i2c driver"); | |
656 | ||
657 | return ret; | |
658 | } | |
659 | ||
660 | static void __exit neo1973_exit(void) | |
661 | { | |
6b9a9b32 | 662 | i2c_del_driver(&lm4857_i2c_driver); |
74930bb6 GG |
663 | platform_device_unregister(neo1973_snd_device); |
664 | } | |
665 | ||
666 | module_init(neo1973_init); | |
667 | module_exit(neo1973_exit); | |
668 | ||
669 | /* Module information */ | |
443590e6 | 670 | MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org"); |
74930bb6 GG |
671 | MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973"); |
672 | MODULE_LICENSE("GPL"); |