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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 | * | |
74930bb6 GG |
13 | */ |
14 | ||
15 | #include <linux/module.h> | |
16 | #include <linux/moduleparam.h> | |
17 | #include <linux/timer.h> | |
18 | #include <linux/interrupt.h> | |
19 | #include <linux/platform_device.h> | |
20 | #include <linux/i2c.h> | |
74930bb6 GG |
21 | #include <sound/core.h> |
22 | #include <sound/pcm.h> | |
23 | #include <sound/soc.h> | |
24 | #include <sound/soc-dapm.h> | |
a2e31a59 | 25 | #include <sound/tlv.h> |
74930bb6 | 26 | |
74930bb6 | 27 | #include <asm/hardware/scoop.h> |
a09e64fb RK |
28 | #include <mach/regs-clock.h> |
29 | #include <mach/regs-gpio.h> | |
30 | #include <mach/hardware.h> | |
31 | #include <mach/audio.h> | |
8ba02ace | 32 | #include <linux/io.h> |
a09e64fb | 33 | #include <mach/spi-gpio.h> |
aa9673cf HW |
34 | |
35 | #include <asm/plat-s3c24xx/regs-iis.h> | |
36 | ||
74930bb6 GG |
37 | #include "../codecs/wm8753.h" |
38 | #include "lm4857.h" | |
39 | #include "s3c24xx-pcm.h" | |
40 | #include "s3c24xx-i2s.h" | |
41 | ||
1894c59f TN |
42 | /* Debugging stuff */ |
43 | #define S3C24XX_SOC_NEO1973_WM8753_DEBUG 0 | |
44 | #if S3C24XX_SOC_NEO1973_WM8753_DEBUG | |
45 | #define DBG(x...) printk(KERN_DEBUG "s3c24xx-soc-neo1973-wm8753: " x) | |
46 | #else | |
47 | #define DBG(x...) | |
48 | #endif | |
49 | ||
74930bb6 GG |
50 | /* define the scenarios */ |
51 | #define NEO_AUDIO_OFF 0 | |
52 | #define NEO_GSM_CALL_AUDIO_HANDSET 1 | |
53 | #define NEO_GSM_CALL_AUDIO_HEADSET 2 | |
54 | #define NEO_GSM_CALL_AUDIO_BLUETOOTH 3 | |
55 | #define NEO_STEREO_TO_SPEAKERS 4 | |
56 | #define NEO_STEREO_TO_HEADPHONES 5 | |
57 | #define NEO_CAPTURE_HANDSET 6 | |
58 | #define NEO_CAPTURE_HEADSET 7 | |
59 | #define NEO_CAPTURE_BLUETOOTH 8 | |
60 | ||
61 | static struct snd_soc_machine neo1973; | |
62 | static struct i2c_client *i2c; | |
63 | ||
64 | static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, | |
65 | struct snd_pcm_hw_params *params) | |
66 | { | |
67 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1992a6fb LG |
68 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
69 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
74930bb6 GG |
70 | unsigned int pll_out = 0, bclk = 0; |
71 | int ret = 0; | |
72 | unsigned long iis_clkrate; | |
73 | ||
1894c59f TN |
74 | DBG("Entered %s\n", __func__); |
75 | ||
74930bb6 GG |
76 | iis_clkrate = s3c24xx_i2s_get_clockrate(); |
77 | ||
78 | switch (params_rate(params)) { | |
79 | case 8000: | |
80 | case 16000: | |
81 | pll_out = 12288000; | |
82 | break; | |
83 | case 48000: | |
84 | bclk = WM8753_BCLK_DIV_4; | |
85 | pll_out = 12288000; | |
86 | break; | |
87 | case 96000: | |
88 | bclk = WM8753_BCLK_DIV_2; | |
89 | pll_out = 12288000; | |
90 | break; | |
91 | case 11025: | |
92 | bclk = WM8753_BCLK_DIV_16; | |
93 | pll_out = 11289600; | |
94 | break; | |
95 | case 22050: | |
96 | bclk = WM8753_BCLK_DIV_8; | |
97 | pll_out = 11289600; | |
98 | break; | |
99 | case 44100: | |
100 | bclk = WM8753_BCLK_DIV_4; | |
101 | pll_out = 11289600; | |
102 | break; | |
103 | case 88200: | |
104 | bclk = WM8753_BCLK_DIV_2; | |
105 | pll_out = 11289600; | |
106 | break; | |
107 | } | |
108 | ||
109 | /* set codec DAI configuration */ | |
64105cfd | 110 | ret = snd_soc_dai_set_fmt(codec_dai, |
74930bb6 GG |
111 | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
112 | SND_SOC_DAIFMT_CBM_CFM); | |
113 | if (ret < 0) | |
114 | return ret; | |
115 | ||
116 | /* set cpu DAI configuration */ | |
64105cfd | 117 | ret = snd_soc_dai_set_fmt(cpu_dai, |
74930bb6 GG |
118 | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
119 | SND_SOC_DAIFMT_CBM_CFM); | |
120 | if (ret < 0) | |
121 | return ret; | |
122 | ||
123 | /* set the codec system clock for DAC and ADC */ | |
64105cfd | 124 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, pll_out, |
74930bb6 GG |
125 | SND_SOC_CLOCK_IN); |
126 | if (ret < 0) | |
127 | return ret; | |
128 | ||
129 | /* set MCLK division for sample rate */ | |
64105cfd | 130 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK, |
8ba02ace | 131 | S3C2410_IISMOD_32FS); |
74930bb6 GG |
132 | if (ret < 0) |
133 | return ret; | |
134 | ||
135 | /* set codec BCLK division for sample rate */ | |
64105cfd | 136 | ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk); |
74930bb6 GG |
137 | if (ret < 0) |
138 | return ret; | |
139 | ||
140 | /* set prescaler division for sample rate */ | |
64105cfd | 141 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER, |
8ba02ace | 142 | S3C24XX_PRESCALE(4, 4)); |
74930bb6 GG |
143 | if (ret < 0) |
144 | return ret; | |
145 | ||
146 | /* codec PLL input is PCLK/4 */ | |
64105cfd | 147 | ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, |
74930bb6 GG |
148 | iis_clkrate / 4, pll_out); |
149 | if (ret < 0) | |
150 | return ret; | |
151 | ||
152 | return 0; | |
153 | } | |
154 | ||
155 | static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream) | |
156 | { | |
157 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1992a6fb | 158 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
74930bb6 | 159 | |
1894c59f TN |
160 | DBG("Entered %s\n", __func__); |
161 | ||
74930bb6 | 162 | /* disable the PLL */ |
64105cfd | 163 | return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0); |
74930bb6 GG |
164 | } |
165 | ||
166 | /* | |
167 | * Neo1973 WM8753 HiFi DAI opserations. | |
168 | */ | |
169 | static struct snd_soc_ops neo1973_hifi_ops = { | |
170 | .hw_params = neo1973_hifi_hw_params, | |
171 | .hw_free = neo1973_hifi_hw_free, | |
172 | }; | |
173 | ||
174 | static int neo1973_voice_hw_params(struct snd_pcm_substream *substream, | |
175 | struct snd_pcm_hw_params *params) | |
176 | { | |
177 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1992a6fb | 178 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
74930bb6 GG |
179 | unsigned int pcmdiv = 0; |
180 | int ret = 0; | |
181 | unsigned long iis_clkrate; | |
182 | ||
1894c59f TN |
183 | DBG("Entered %s\n", __func__); |
184 | ||
74930bb6 GG |
185 | iis_clkrate = s3c24xx_i2s_get_clockrate(); |
186 | ||
187 | if (params_rate(params) != 8000) | |
188 | return -EINVAL; | |
189 | if (params_channels(params) != 1) | |
190 | return -EINVAL; | |
191 | ||
192 | pcmdiv = WM8753_PCM_DIV_6; /* 2.048 MHz */ | |
193 | ||
194 | /* todo: gg check mode (DSP_B) against CSR datasheet */ | |
195 | /* set codec DAI configuration */ | |
64105cfd | 196 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B | |
74930bb6 GG |
197 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); |
198 | if (ret < 0) | |
199 | return ret; | |
200 | ||
201 | /* set the codec system clock for DAC and ADC */ | |
64105cfd | 202 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK, 12288000, |
74930bb6 GG |
203 | SND_SOC_CLOCK_IN); |
204 | if (ret < 0) | |
205 | return ret; | |
206 | ||
207 | /* set codec PCM division for sample rate */ | |
64105cfd | 208 | ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv); |
74930bb6 GG |
209 | if (ret < 0) |
210 | return ret; | |
211 | ||
212 | /* configue and enable PLL for 12.288MHz output */ | |
64105cfd | 213 | ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, |
74930bb6 GG |
214 | iis_clkrate / 4, 12288000); |
215 | if (ret < 0) | |
216 | return ret; | |
217 | ||
218 | return 0; | |
219 | } | |
220 | ||
221 | static int neo1973_voice_hw_free(struct snd_pcm_substream *substream) | |
222 | { | |
223 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1992a6fb | 224 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
74930bb6 | 225 | |
1894c59f TN |
226 | DBG("Entered %s\n", __func__); |
227 | ||
74930bb6 | 228 | /* disable the PLL */ |
64105cfd | 229 | return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0); |
74930bb6 GG |
230 | } |
231 | ||
232 | static struct snd_soc_ops neo1973_voice_ops = { | |
233 | .hw_params = neo1973_voice_hw_params, | |
234 | .hw_free = neo1973_voice_hw_free, | |
235 | }; | |
236 | ||
8ba02ace | 237 | static int neo1973_scenario; |
74930bb6 GG |
238 | |
239 | static int neo1973_get_scenario(struct snd_kcontrol *kcontrol, | |
240 | struct snd_ctl_elem_value *ucontrol) | |
241 | { | |
242 | ucontrol->value.integer.value[0] = neo1973_scenario; | |
243 | return 0; | |
244 | } | |
245 | ||
246 | static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario) | |
247 | { | |
1894c59f TN |
248 | DBG("Entered %s\n", __func__); |
249 | ||
8ba02ace | 250 | switch (neo1973_scenario) { |
74930bb6 | 251 | case NEO_AUDIO_OFF: |
a5302181 LG |
252 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
253 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
254 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
255 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
256 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
257 | break; |
258 | case NEO_GSM_CALL_AUDIO_HANDSET: | |
a5302181 LG |
259 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
260 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); | |
261 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); | |
262 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
263 | snd_soc_dapm_enable_pin(codec, "Call Mic"); | |
74930bb6 GG |
264 | break; |
265 | case NEO_GSM_CALL_AUDIO_HEADSET: | |
a5302181 LG |
266 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
267 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); | |
268 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); | |
269 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); | |
270 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
271 | break; |
272 | case NEO_GSM_CALL_AUDIO_BLUETOOTH: | |
a5302181 LG |
273 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
274 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); | |
275 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); | |
276 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
277 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
278 | break; |
279 | case NEO_STEREO_TO_SPEAKERS: | |
a5302181 LG |
280 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
281 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
282 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
283 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
284 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
285 | break; |
286 | case NEO_STEREO_TO_HEADPHONES: | |
a5302181 LG |
287 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
288 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
289 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
290 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
291 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
292 | break; |
293 | case NEO_CAPTURE_HANDSET: | |
a5302181 LG |
294 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
295 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
296 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
297 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
298 | snd_soc_dapm_enable_pin(codec, "Call Mic"); | |
74930bb6 GG |
299 | break; |
300 | case NEO_CAPTURE_HEADSET: | |
a5302181 LG |
301 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
302 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
303 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
304 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); | |
305 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
306 | break; |
307 | case NEO_CAPTURE_BLUETOOTH: | |
a5302181 LG |
308 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
309 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
310 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
311 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
312 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
313 | break; |
314 | default: | |
a5302181 LG |
315 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
316 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
317 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
318 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
319 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
320 | } |
321 | ||
a5302181 | 322 | snd_soc_dapm_sync(codec); |
74930bb6 GG |
323 | |
324 | return 0; | |
325 | } | |
326 | ||
327 | static int neo1973_set_scenario(struct snd_kcontrol *kcontrol, | |
328 | struct snd_ctl_elem_value *ucontrol) | |
329 | { | |
330 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
331 | ||
1894c59f TN |
332 | DBG("Entered %s\n", __func__); |
333 | ||
74930bb6 GG |
334 | if (neo1973_scenario == ucontrol->value.integer.value[0]) |
335 | return 0; | |
336 | ||
337 | neo1973_scenario = ucontrol->value.integer.value[0]; | |
338 | set_scenario_endpoints(codec, neo1973_scenario); | |
339 | return 1; | |
340 | } | |
341 | ||
342 | static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0}; | |
343 | ||
344 | static void lm4857_write_regs(void) | |
345 | { | |
1894c59f TN |
346 | DBG("Entered %s\n", __func__); |
347 | ||
74930bb6 GG |
348 | if (i2c_master_send(i2c, lm4857_regs, 4) != 4) |
349 | printk(KERN_ERR "lm4857: i2c write failed\n"); | |
350 | } | |
351 | ||
352 | static int lm4857_get_reg(struct snd_kcontrol *kcontrol, | |
353 | struct snd_ctl_elem_value *ucontrol) | |
354 | { | |
8ba02ace | 355 | int reg = kcontrol->private_value & 0xFF; |
74930bb6 GG |
356 | int shift = (kcontrol->private_value >> 8) & 0x0F; |
357 | int mask = (kcontrol->private_value >> 16) & 0xFF; | |
358 | ||
1894c59f TN |
359 | DBG("Entered %s\n", __func__); |
360 | ||
74930bb6 GG |
361 | ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask; |
362 | return 0; | |
363 | } | |
364 | ||
365 | static int lm4857_set_reg(struct snd_kcontrol *kcontrol, | |
366 | struct snd_ctl_elem_value *ucontrol) | |
367 | { | |
368 | int reg = kcontrol->private_value & 0xFF; | |
369 | int shift = (kcontrol->private_value >> 8) & 0x0F; | |
370 | int mask = (kcontrol->private_value >> 16) & 0xFF; | |
371 | ||
8ba02ace | 372 | if (((lm4857_regs[reg] >> shift) & mask) == |
74930bb6 GG |
373 | ucontrol->value.integer.value[0]) |
374 | return 0; | |
375 | ||
8ba02ace | 376 | lm4857_regs[reg] &= ~(mask << shift); |
74930bb6 GG |
377 | lm4857_regs[reg] |= ucontrol->value.integer.value[0] << shift; |
378 | lm4857_write_regs(); | |
379 | return 1; | |
380 | } | |
381 | ||
382 | static int lm4857_get_mode(struct snd_kcontrol *kcontrol, | |
383 | struct snd_ctl_elem_value *ucontrol) | |
384 | { | |
385 | u8 value = lm4857_regs[LM4857_CTRL] & 0x0F; | |
386 | ||
1894c59f TN |
387 | DBG("Entered %s\n", __func__); |
388 | ||
74930bb6 GG |
389 | if (value) |
390 | value -= 5; | |
391 | ||
392 | ucontrol->value.integer.value[0] = value; | |
393 | return 0; | |
394 | } | |
395 | ||
396 | static int lm4857_set_mode(struct snd_kcontrol *kcontrol, | |
397 | struct snd_ctl_elem_value *ucontrol) | |
398 | { | |
399 | u8 value = ucontrol->value.integer.value[0]; | |
400 | ||
1894c59f TN |
401 | DBG("Entered %s\n", __func__); |
402 | ||
74930bb6 GG |
403 | if (value) |
404 | value += 5; | |
405 | ||
406 | if ((lm4857_regs[LM4857_CTRL] & 0x0F) == value) | |
407 | return 0; | |
408 | ||
409 | lm4857_regs[LM4857_CTRL] &= 0xF0; | |
410 | lm4857_regs[LM4857_CTRL] |= value; | |
411 | lm4857_write_regs(); | |
412 | return 1; | |
413 | } | |
414 | ||
415 | static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { | |
416 | SND_SOC_DAPM_LINE("Audio Out", NULL), | |
417 | SND_SOC_DAPM_LINE("GSM Line Out", NULL), | |
418 | SND_SOC_DAPM_LINE("GSM Line In", NULL), | |
419 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
420 | SND_SOC_DAPM_MIC("Call Mic", NULL), | |
421 | }; | |
422 | ||
423 | ||
8f3112d7 | 424 | static const struct snd_soc_dapm_route dapm_routes[] = { |
74930bb6 GG |
425 | |
426 | /* Connections to the lm4857 amp */ | |
427 | {"Audio Out", NULL, "LOUT1"}, | |
428 | {"Audio Out", NULL, "ROUT1"}, | |
429 | ||
430 | /* Connections to the GSM Module */ | |
431 | {"GSM Line Out", NULL, "MONO1"}, | |
432 | {"GSM Line Out", NULL, "MONO2"}, | |
433 | {"RXP", NULL, "GSM Line In"}, | |
434 | {"RXN", NULL, "GSM Line In"}, | |
435 | ||
436 | /* Connections to Headset */ | |
437 | {"MIC1", NULL, "Mic Bias"}, | |
438 | {"Mic Bias", NULL, "Headset Mic"}, | |
439 | ||
440 | /* Call Mic */ | |
441 | {"MIC2", NULL, "Mic Bias"}, | |
442 | {"MIC2N", NULL, "Mic Bias"}, | |
443 | {"Mic Bias", NULL, "Call Mic"}, | |
444 | ||
445 | /* Connect the ALC pins */ | |
446 | {"ACIN", NULL, "ACOP"}, | |
74930bb6 GG |
447 | }; |
448 | ||
449 | static const char *lm4857_mode[] = { | |
450 | "Off", | |
451 | "Call Speaker", | |
452 | "Stereo Speakers", | |
453 | "Stereo Speakers + Headphones", | |
454 | "Headphones" | |
455 | }; | |
456 | ||
457 | static const struct soc_enum lm4857_mode_enum[] = { | |
458 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lm4857_mode), lm4857_mode), | |
459 | }; | |
460 | ||
461 | static const char *neo_scenarios[] = { | |
462 | "Off", | |
463 | "GSM Handset", | |
464 | "GSM Headset", | |
465 | "GSM Bluetooth", | |
466 | "Speakers", | |
467 | "Headphones", | |
468 | "Capture Handset", | |
469 | "Capture Headset", | |
470 | "Capture Bluetooth" | |
471 | }; | |
472 | ||
473 | static const struct soc_enum neo_scenario_enum[] = { | |
8ba02ace | 474 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios), |
74930bb6 GG |
475 | }; |
476 | ||
a2e31a59 MM |
477 | static const DECLARE_TLV_DB_SCALE(stereo_tlv, -4050, 150, 0); |
478 | static const DECLARE_TLV_DB_SCALE(mono_tlv, -3450, 150, 0); | |
479 | ||
74930bb6 | 480 | static const struct snd_kcontrol_new wm8753_neo1973_controls[] = { |
a2e31a59 MM |
481 | SOC_SINGLE_EXT_TLV("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0, |
482 | lm4857_get_reg, lm4857_set_reg, stereo_tlv), | |
483 | SOC_SINGLE_EXT_TLV("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0, | |
484 | lm4857_get_reg, lm4857_set_reg, stereo_tlv), | |
485 | SOC_SINGLE_EXT_TLV("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0, | |
486 | lm4857_get_reg, lm4857_set_reg, mono_tlv), | |
74930bb6 GG |
487 | SOC_ENUM_EXT("Amp Mode", lm4857_mode_enum[0], |
488 | lm4857_get_mode, lm4857_set_mode), | |
489 | SOC_ENUM_EXT("Neo Mode", neo_scenario_enum[0], | |
490 | neo1973_get_scenario, neo1973_set_scenario), | |
491 | SOC_SINGLE_EXT("Amp Spk 3D Playback Switch", LM4857_LVOL, 5, 1, 0, | |
492 | lm4857_get_reg, lm4857_set_reg), | |
493 | SOC_SINGLE_EXT("Amp HP 3d Playback Switch", LM4857_RVOL, 5, 1, 0, | |
494 | lm4857_get_reg, lm4857_set_reg), | |
495 | SOC_SINGLE_EXT("Amp Fast Wakeup Playback Switch", LM4857_CTRL, 5, 1, 0, | |
496 | lm4857_get_reg, lm4857_set_reg), | |
497 | SOC_SINGLE_EXT("Amp Earpiece 6dB Playback Switch", LM4857_CTRL, 4, 1, 0, | |
498 | lm4857_get_reg, lm4857_set_reg), | |
499 | }; | |
500 | ||
501 | /* | |
502 | * This is an example machine initialisation for a wm8753 connected to a | |
503 | * neo1973 II. It is missing logic to detect hp/mic insertions and logic | |
504 | * to re-route the audio in such an event. | |
505 | */ | |
506 | static int neo1973_wm8753_init(struct snd_soc_codec *codec) | |
507 | { | |
508 | int i, err; | |
509 | ||
1894c59f TN |
510 | DBG("Entered %s\n", __func__); |
511 | ||
74930bb6 | 512 | /* set up NC codec pins */ |
a5302181 LG |
513 | snd_soc_dapm_disable_pin(codec, "LOUT2"); |
514 | snd_soc_dapm_disable_pin(codec, "ROUT2"); | |
515 | snd_soc_dapm_disable_pin(codec, "OUT3"); | |
516 | snd_soc_dapm_disable_pin(codec, "OUT4"); | |
517 | snd_soc_dapm_disable_pin(codec, "LINE1"); | |
518 | snd_soc_dapm_disable_pin(codec, "LINE2"); | |
74930bb6 GG |
519 | |
520 | ||
521 | /* set endpoints to default mode */ | |
522 | set_scenario_endpoints(codec, NEO_AUDIO_OFF); | |
523 | ||
524 | /* Add neo1973 specific widgets */ | |
8f3112d7 MB |
525 | snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets, |
526 | ARRAY_SIZE(wm8753_dapm_widgets)); | |
74930bb6 GG |
527 | |
528 | /* add neo1973 specific controls */ | |
529 | for (i = 0; i < ARRAY_SIZE(wm8753_neo1973_controls); i++) { | |
530 | err = snd_ctl_add(codec->card, | |
531 | snd_soc_cnew(&wm8753_neo1973_controls[i], | |
532 | codec, NULL)); | |
533 | if (err < 0) | |
534 | return err; | |
535 | } | |
536 | ||
8f3112d7 MB |
537 | /* set up neo1973 specific audio routes */ |
538 | err = snd_soc_dapm_add_routes(codec, dapm_routes, | |
539 | ARRAY_SIZE(dapm_routes)); | |
74930bb6 | 540 | |
a5302181 | 541 | snd_soc_dapm_sync(codec); |
74930bb6 GG |
542 | return 0; |
543 | } | |
544 | ||
545 | /* | |
546 | * BT Codec DAI | |
547 | */ | |
1992a6fb | 548 | static struct snd_soc_dai bt_dai = { |
8ba02ace | 549 | .name = "Bluetooth", |
74930bb6 GG |
550 | .id = 0, |
551 | .type = SND_SOC_DAI_PCM, | |
552 | .playback = { | |
553 | .channels_min = 1, | |
554 | .channels_max = 1, | |
555 | .rates = SNDRV_PCM_RATE_8000, | |
556 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
557 | .capture = { | |
558 | .channels_min = 1, | |
559 | .channels_max = 1, | |
560 | .rates = SNDRV_PCM_RATE_8000, | |
561 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
562 | }; | |
563 | ||
564 | static struct snd_soc_dai_link neo1973_dai[] = { | |
565 | { /* Hifi Playback - for similatious use with voice below */ | |
566 | .name = "WM8753", | |
567 | .stream_name = "WM8753 HiFi", | |
568 | .cpu_dai = &s3c24xx_i2s_dai, | |
569 | .codec_dai = &wm8753_dai[WM8753_DAI_HIFI], | |
570 | .init = neo1973_wm8753_init, | |
571 | .ops = &neo1973_hifi_ops, | |
572 | }, | |
573 | { /* Voice via BT */ | |
574 | .name = "Bluetooth", | |
575 | .stream_name = "Voice", | |
576 | .cpu_dai = &bt_dai, | |
577 | .codec_dai = &wm8753_dai[WM8753_DAI_VOICE], | |
578 | .ops = &neo1973_voice_ops, | |
579 | }, | |
580 | }; | |
581 | ||
582 | static struct snd_soc_machine neo1973 = { | |
583 | .name = "neo1973", | |
584 | .dai_link = neo1973_dai, | |
585 | .num_links = ARRAY_SIZE(neo1973_dai), | |
586 | }; | |
587 | ||
588 | static struct wm8753_setup_data neo1973_wm8753_setup = { | |
589 | .i2c_address = 0x1a, | |
590 | }; | |
591 | ||
592 | static struct snd_soc_device neo1973_snd_devdata = { | |
593 | .machine = &neo1973, | |
594 | .platform = &s3c24xx_soc_platform, | |
595 | .codec_dev = &soc_codec_dev_wm8753, | |
596 | .codec_data = &neo1973_wm8753_setup, | |
597 | }; | |
598 | ||
599 | static struct i2c_client client_template; | |
600 | ||
2cdddeb8 | 601 | static const unsigned short normal_i2c[] = { 0x7C, I2C_CLIENT_END }; |
74930bb6 GG |
602 | |
603 | /* Magic definition of all other variables and things */ | |
604 | I2C_CLIENT_INSMOD; | |
605 | ||
606 | static int lm4857_amp_probe(struct i2c_adapter *adap, int addr, int kind) | |
607 | { | |
608 | int ret; | |
609 | ||
1894c59f TN |
610 | DBG("Entered %s\n", __func__); |
611 | ||
74930bb6 GG |
612 | client_template.adapter = adap; |
613 | client_template.addr = addr; | |
614 | ||
615 | i2c = kmemdup(&client_template, sizeof(client_template), GFP_KERNEL); | |
616 | if (i2c == NULL) | |
617 | return -ENOMEM; | |
618 | ||
619 | ret = i2c_attach_client(i2c); | |
620 | if (ret < 0) { | |
621 | printk(KERN_ERR "LM4857 failed to attach at addr %x\n", addr); | |
622 | goto exit_err; | |
623 | } | |
624 | ||
625 | lm4857_write_regs(); | |
626 | return ret; | |
627 | ||
628 | exit_err: | |
629 | kfree(i2c); | |
630 | return ret; | |
631 | } | |
632 | ||
633 | static int lm4857_i2c_detach(struct i2c_client *client) | |
634 | { | |
1894c59f TN |
635 | DBG("Entered %s\n", __func__); |
636 | ||
74930bb6 GG |
637 | i2c_detach_client(client); |
638 | kfree(client); | |
639 | return 0; | |
640 | } | |
641 | ||
642 | static int lm4857_i2c_attach(struct i2c_adapter *adap) | |
643 | { | |
1894c59f TN |
644 | DBG("Entered %s\n", __func__); |
645 | ||
74930bb6 GG |
646 | return i2c_probe(adap, &addr_data, lm4857_amp_probe); |
647 | } | |
648 | ||
fd403dc8 GG |
649 | static u8 lm4857_state; |
650 | ||
651 | static int lm4857_suspend(struct i2c_client *dev, pm_message_t state) | |
652 | { | |
1894c59f TN |
653 | DBG("Entered %s\n", __func__); |
654 | ||
fd403dc8 GG |
655 | dev_dbg(&dev->dev, "lm4857_suspend\n"); |
656 | lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf; | |
657 | if (lm4857_state) { | |
658 | lm4857_regs[LM4857_CTRL] &= 0xf0; | |
659 | lm4857_write_regs(); | |
660 | } | |
661 | return 0; | |
662 | } | |
663 | ||
664 | static int lm4857_resume(struct i2c_client *dev) | |
665 | { | |
1894c59f TN |
666 | DBG("Entered %s\n", __func__); |
667 | ||
fd403dc8 GG |
668 | if (lm4857_state) { |
669 | lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f); | |
670 | lm4857_write_regs(); | |
671 | } | |
672 | return 0; | |
673 | } | |
674 | ||
675 | static void lm4857_shutdown(struct i2c_client *dev) | |
676 | { | |
1894c59f TN |
677 | DBG("Entered %s\n", __func__); |
678 | ||
fd403dc8 GG |
679 | dev_dbg(&dev->dev, "lm4857_shutdown\n"); |
680 | lm4857_regs[LM4857_CTRL] &= 0xf0; | |
681 | lm4857_write_regs(); | |
682 | } | |
683 | ||
74930bb6 GG |
684 | /* corgi i2c codec control layer */ |
685 | static struct i2c_driver lm4857_i2c_driver = { | |
686 | .driver = { | |
687 | .name = "LM4857 I2C Amp", | |
688 | .owner = THIS_MODULE, | |
689 | }, | |
690 | .id = I2C_DRIVERID_LM4857, | |
fd403dc8 GG |
691 | .suspend = lm4857_suspend, |
692 | .resume = lm4857_resume, | |
693 | .shutdown = lm4857_shutdown, | |
74930bb6 GG |
694 | .attach_adapter = lm4857_i2c_attach, |
695 | .detach_client = lm4857_i2c_detach, | |
696 | .command = NULL, | |
697 | }; | |
698 | ||
699 | static struct i2c_client client_template = { | |
700 | .name = "LM4857", | |
701 | .driver = &lm4857_i2c_driver, | |
702 | }; | |
703 | ||
704 | static struct platform_device *neo1973_snd_device; | |
705 | ||
706 | static int __init neo1973_init(void) | |
707 | { | |
708 | int ret; | |
709 | ||
1894c59f TN |
710 | DBG("Entered %s\n", __func__); |
711 | ||
74930bb6 GG |
712 | neo1973_snd_device = platform_device_alloc("soc-audio", -1); |
713 | if (!neo1973_snd_device) | |
714 | return -ENOMEM; | |
715 | ||
716 | platform_set_drvdata(neo1973_snd_device, &neo1973_snd_devdata); | |
717 | neo1973_snd_devdata.dev = &neo1973_snd_device->dev; | |
718 | ret = platform_device_add(neo1973_snd_device); | |
719 | ||
720 | if (ret) | |
721 | platform_device_put(neo1973_snd_device); | |
722 | ||
723 | ret = i2c_add_driver(&lm4857_i2c_driver); | |
724 | if (ret != 0) | |
725 | printk(KERN_ERR "can't add i2c driver"); | |
726 | ||
727 | return ret; | |
728 | } | |
729 | ||
730 | static void __exit neo1973_exit(void) | |
731 | { | |
1894c59f TN |
732 | DBG("Entered %s\n", __func__); |
733 | ||
6b9a9b32 | 734 | i2c_del_driver(&lm4857_i2c_driver); |
74930bb6 GG |
735 | platform_device_unregister(neo1973_snd_device); |
736 | } | |
737 | ||
738 | module_init(neo1973_init); | |
739 | module_exit(neo1973_exit); | |
740 | ||
741 | /* Module information */ | |
443590e6 | 742 | MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org"); |
74930bb6 GG |
743 | MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973"); |
744 | MODULE_LICENSE("GPL"); |