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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 | |
fb2aa074 | 27 | #include <asm/mach-types.h> |
74930bb6 | 28 | #include <asm/hardware/scoop.h> |
a09e64fb RK |
29 | #include <mach/regs-clock.h> |
30 | #include <mach/regs-gpio.h> | |
31 | #include <mach/hardware.h> | |
8ba02ace | 32 | #include <linux/io.h> |
a09e64fb | 33 | #include <mach/spi-gpio.h> |
aa9673cf | 34 | |
8150bc88 | 35 | #include <plat/regs-iis.h> |
aa9673cf | 36 | |
74930bb6 GG |
37 | #include "../codecs/wm8753.h" |
38 | #include "lm4857.h" | |
d3ff5a3e | 39 | #include "s3c-dma.h" |
74930bb6 GG |
40 | #include "s3c24xx-i2s.h" |
41 | ||
42 | /* define the scenarios */ | |
43 | #define NEO_AUDIO_OFF 0 | |
44 | #define NEO_GSM_CALL_AUDIO_HANDSET 1 | |
45 | #define NEO_GSM_CALL_AUDIO_HEADSET 2 | |
46 | #define NEO_GSM_CALL_AUDIO_BLUETOOTH 3 | |
47 | #define NEO_STEREO_TO_SPEAKERS 4 | |
48 | #define NEO_STEREO_TO_HEADPHONES 5 | |
49 | #define NEO_CAPTURE_HANDSET 6 | |
50 | #define NEO_CAPTURE_HEADSET 7 | |
51 | #define NEO_CAPTURE_BLUETOOTH 8 | |
52 | ||
87506549 | 53 | static struct snd_soc_card neo1973; |
74930bb6 GG |
54 | static struct i2c_client *i2c; |
55 | ||
56 | static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, | |
57 | struct snd_pcm_hw_params *params) | |
58 | { | |
59 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
60 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
61 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
74930bb6 GG |
62 | unsigned int pll_out = 0, bclk = 0; |
63 | int ret = 0; | |
64 | unsigned long iis_clkrate; | |
65 | ||
ee7d4767 | 66 | pr_debug("Entered %s\n", __func__); |
1894c59f | 67 | |
74930bb6 GG |
68 | iis_clkrate = s3c24xx_i2s_get_clockrate(); |
69 | ||
70 | switch (params_rate(params)) { | |
71 | case 8000: | |
72 | case 16000: | |
73 | pll_out = 12288000; | |
74 | break; | |
75 | case 48000: | |
76 | bclk = WM8753_BCLK_DIV_4; | |
77 | pll_out = 12288000; | |
78 | break; | |
79 | case 96000: | |
80 | bclk = WM8753_BCLK_DIV_2; | |
81 | pll_out = 12288000; | |
82 | break; | |
83 | case 11025: | |
84 | bclk = WM8753_BCLK_DIV_16; | |
85 | pll_out = 11289600; | |
86 | break; | |
87 | case 22050: | |
88 | bclk = WM8753_BCLK_DIV_8; | |
89 | pll_out = 11289600; | |
90 | break; | |
91 | case 44100: | |
92 | bclk = WM8753_BCLK_DIV_4; | |
93 | pll_out = 11289600; | |
94 | break; | |
95 | case 88200: | |
96 | bclk = WM8753_BCLK_DIV_2; | |
97 | pll_out = 11289600; | |
98 | break; | |
99 | } | |
100 | ||
101 | /* set codec DAI configuration */ | |
64105cfd | 102 | ret = snd_soc_dai_set_fmt(codec_dai, |
74930bb6 GG |
103 | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
104 | SND_SOC_DAIFMT_CBM_CFM); | |
105 | if (ret < 0) | |
106 | return ret; | |
107 | ||
108 | /* set cpu DAI configuration */ | |
64105cfd | 109 | ret = snd_soc_dai_set_fmt(cpu_dai, |
74930bb6 GG |
110 | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
111 | SND_SOC_DAIFMT_CBM_CFM); | |
112 | if (ret < 0) | |
113 | return ret; | |
114 | ||
115 | /* set the codec system clock for DAC and ADC */ | |
64105cfd | 116 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, pll_out, |
74930bb6 GG |
117 | SND_SOC_CLOCK_IN); |
118 | if (ret < 0) | |
119 | return ret; | |
120 | ||
121 | /* set MCLK division for sample rate */ | |
64105cfd | 122 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK, |
8ba02ace | 123 | S3C2410_IISMOD_32FS); |
74930bb6 GG |
124 | if (ret < 0) |
125 | return ret; | |
126 | ||
127 | /* set codec BCLK division for sample rate */ | |
64105cfd | 128 | ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk); |
74930bb6 GG |
129 | if (ret < 0) |
130 | return ret; | |
131 | ||
132 | /* set prescaler division for sample rate */ | |
64105cfd | 133 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER, |
8ba02ace | 134 | S3C24XX_PRESCALE(4, 4)); |
74930bb6 GG |
135 | if (ret < 0) |
136 | return ret; | |
137 | ||
138 | /* codec PLL input is PCLK/4 */ | |
85488037 | 139 | ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, |
74930bb6 GG |
140 | iis_clkrate / 4, pll_out); |
141 | if (ret < 0) | |
142 | return ret; | |
143 | ||
144 | return 0; | |
145 | } | |
146 | ||
147 | static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream) | |
148 | { | |
149 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 150 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
74930bb6 | 151 | |
ee7d4767 | 152 | pr_debug("Entered %s\n", __func__); |
1894c59f | 153 | |
74930bb6 | 154 | /* disable the PLL */ |
140318aa | 155 | return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0, 0); |
74930bb6 GG |
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; | |
f0fba2ad | 170 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
74930bb6 GG |
171 | unsigned int pcmdiv = 0; |
172 | int ret = 0; | |
173 | unsigned long iis_clkrate; | |
174 | ||
ee7d4767 | 175 | pr_debug("Entered %s\n", __func__); |
1894c59f | 176 | |
74930bb6 GG |
177 | iis_clkrate = s3c24xx_i2s_get_clockrate(); |
178 | ||
179 | if (params_rate(params) != 8000) | |
180 | return -EINVAL; | |
181 | if (params_channels(params) != 1) | |
182 | return -EINVAL; | |
183 | ||
184 | pcmdiv = WM8753_PCM_DIV_6; /* 2.048 MHz */ | |
185 | ||
186 | /* todo: gg check mode (DSP_B) against CSR datasheet */ | |
187 | /* set codec DAI configuration */ | |
64105cfd | 188 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B | |
74930bb6 GG |
189 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); |
190 | if (ret < 0) | |
191 | return ret; | |
192 | ||
193 | /* set the codec system clock for DAC and ADC */ | |
64105cfd | 194 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK, 12288000, |
74930bb6 GG |
195 | SND_SOC_CLOCK_IN); |
196 | if (ret < 0) | |
197 | return ret; | |
198 | ||
199 | /* set codec PCM division for sample rate */ | |
64105cfd | 200 | ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv); |
74930bb6 GG |
201 | if (ret < 0) |
202 | return ret; | |
203 | ||
204 | /* configue and enable PLL for 12.288MHz output */ | |
140318aa | 205 | ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, |
74930bb6 GG |
206 | iis_clkrate / 4, 12288000); |
207 | if (ret < 0) | |
208 | return ret; | |
209 | ||
210 | return 0; | |
211 | } | |
212 | ||
213 | static int neo1973_voice_hw_free(struct snd_pcm_substream *substream) | |
214 | { | |
215 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 216 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
74930bb6 | 217 | |
ee7d4767 | 218 | pr_debug("Entered %s\n", __func__); |
1894c59f | 219 | |
74930bb6 | 220 | /* disable the PLL */ |
140318aa | 221 | return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0, 0); |
74930bb6 GG |
222 | } |
223 | ||
224 | static struct snd_soc_ops neo1973_voice_ops = { | |
225 | .hw_params = neo1973_voice_hw_params, | |
226 | .hw_free = neo1973_voice_hw_free, | |
227 | }; | |
228 | ||
8ba02ace | 229 | static int neo1973_scenario; |
74930bb6 GG |
230 | |
231 | static int neo1973_get_scenario(struct snd_kcontrol *kcontrol, | |
232 | struct snd_ctl_elem_value *ucontrol) | |
233 | { | |
234 | ucontrol->value.integer.value[0] = neo1973_scenario; | |
235 | return 0; | |
236 | } | |
237 | ||
238 | static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario) | |
239 | { | |
ee7d4767 | 240 | pr_debug("Entered %s\n", __func__); |
1894c59f | 241 | |
8ba02ace | 242 | switch (neo1973_scenario) { |
74930bb6 | 243 | case NEO_AUDIO_OFF: |
a5302181 LG |
244 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
245 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
246 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
247 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
248 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
249 | break; |
250 | case NEO_GSM_CALL_AUDIO_HANDSET: | |
a5302181 LG |
251 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
252 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); | |
253 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); | |
254 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
255 | snd_soc_dapm_enable_pin(codec, "Call Mic"); | |
74930bb6 GG |
256 | break; |
257 | case NEO_GSM_CALL_AUDIO_HEADSET: | |
a5302181 LG |
258 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
259 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); | |
260 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); | |
261 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); | |
262 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
263 | break; |
264 | case NEO_GSM_CALL_AUDIO_BLUETOOTH: | |
a5302181 LG |
265 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
266 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); | |
267 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); | |
268 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
269 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
270 | break; |
271 | case NEO_STEREO_TO_SPEAKERS: | |
a5302181 LG |
272 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
273 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
274 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
275 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
276 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
277 | break; |
278 | case NEO_STEREO_TO_HEADPHONES: | |
a5302181 LG |
279 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
280 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
281 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
282 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
283 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
284 | break; |
285 | case NEO_CAPTURE_HANDSET: | |
a5302181 LG |
286 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
287 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
288 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
289 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
290 | snd_soc_dapm_enable_pin(codec, "Call Mic"); | |
74930bb6 GG |
291 | break; |
292 | case NEO_CAPTURE_HEADSET: | |
a5302181 LG |
293 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
294 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
295 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
296 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); | |
297 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
298 | break; |
299 | case NEO_CAPTURE_BLUETOOTH: | |
a5302181 LG |
300 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
301 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
302 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
303 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
304 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
305 | break; |
306 | default: | |
a5302181 LG |
307 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
308 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
309 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
310 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
311 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
312 | } |
313 | ||
a5302181 | 314 | snd_soc_dapm_sync(codec); |
74930bb6 GG |
315 | |
316 | return 0; | |
317 | } | |
318 | ||
319 | static int neo1973_set_scenario(struct snd_kcontrol *kcontrol, | |
320 | struct snd_ctl_elem_value *ucontrol) | |
321 | { | |
322 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
323 | ||
ee7d4767 | 324 | pr_debug("Entered %s\n", __func__); |
1894c59f | 325 | |
74930bb6 GG |
326 | if (neo1973_scenario == ucontrol->value.integer.value[0]) |
327 | return 0; | |
328 | ||
329 | neo1973_scenario = ucontrol->value.integer.value[0]; | |
330 | set_scenario_endpoints(codec, neo1973_scenario); | |
331 | return 1; | |
332 | } | |
333 | ||
334 | static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0}; | |
335 | ||
336 | static void lm4857_write_regs(void) | |
337 | { | |
ee7d4767 | 338 | pr_debug("Entered %s\n", __func__); |
1894c59f | 339 | |
74930bb6 GG |
340 | if (i2c_master_send(i2c, lm4857_regs, 4) != 4) |
341 | printk(KERN_ERR "lm4857: i2c write failed\n"); | |
342 | } | |
343 | ||
344 | static int lm4857_get_reg(struct snd_kcontrol *kcontrol, | |
345 | struct snd_ctl_elem_value *ucontrol) | |
346 | { | |
236e6723 MB |
347 | struct soc_mixer_control *mc = |
348 | (struct soc_mixer_control *)kcontrol->private_value; | |
349 | int reg = mc->reg; | |
350 | int shift = mc->shift; | |
351 | int mask = mc->max; | |
74930bb6 | 352 | |
ee7d4767 | 353 | pr_debug("Entered %s\n", __func__); |
1894c59f | 354 | |
74930bb6 GG |
355 | ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask; |
356 | return 0; | |
357 | } | |
358 | ||
359 | static int lm4857_set_reg(struct snd_kcontrol *kcontrol, | |
360 | struct snd_ctl_elem_value *ucontrol) | |
361 | { | |
236e6723 MB |
362 | struct soc_mixer_control *mc = |
363 | (struct soc_mixer_control *)kcontrol->private_value; | |
364 | int reg = mc->reg; | |
365 | int shift = mc->shift; | |
366 | int mask = mc->max; | |
74930bb6 | 367 | |
8ba02ace | 368 | if (((lm4857_regs[reg] >> shift) & mask) == |
74930bb6 GG |
369 | ucontrol->value.integer.value[0]) |
370 | return 0; | |
371 | ||
8ba02ace | 372 | lm4857_regs[reg] &= ~(mask << shift); |
74930bb6 GG |
373 | lm4857_regs[reg] |= ucontrol->value.integer.value[0] << shift; |
374 | lm4857_write_regs(); | |
375 | return 1; | |
376 | } | |
377 | ||
378 | static int lm4857_get_mode(struct snd_kcontrol *kcontrol, | |
379 | struct snd_ctl_elem_value *ucontrol) | |
380 | { | |
381 | u8 value = lm4857_regs[LM4857_CTRL] & 0x0F; | |
382 | ||
ee7d4767 | 383 | pr_debug("Entered %s\n", __func__); |
1894c59f | 384 | |
74930bb6 GG |
385 | if (value) |
386 | value -= 5; | |
387 | ||
388 | ucontrol->value.integer.value[0] = value; | |
389 | return 0; | |
390 | } | |
391 | ||
392 | static int lm4857_set_mode(struct snd_kcontrol *kcontrol, | |
393 | struct snd_ctl_elem_value *ucontrol) | |
394 | { | |
395 | u8 value = ucontrol->value.integer.value[0]; | |
396 | ||
ee7d4767 | 397 | pr_debug("Entered %s\n", __func__); |
1894c59f | 398 | |
74930bb6 GG |
399 | if (value) |
400 | value += 5; | |
401 | ||
402 | if ((lm4857_regs[LM4857_CTRL] & 0x0F) == value) | |
403 | return 0; | |
404 | ||
405 | lm4857_regs[LM4857_CTRL] &= 0xF0; | |
406 | lm4857_regs[LM4857_CTRL] |= value; | |
407 | lm4857_write_regs(); | |
408 | return 1; | |
409 | } | |
410 | ||
411 | static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { | |
412 | SND_SOC_DAPM_LINE("Audio Out", NULL), | |
413 | SND_SOC_DAPM_LINE("GSM Line Out", NULL), | |
414 | SND_SOC_DAPM_LINE("GSM Line In", NULL), | |
415 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
416 | SND_SOC_DAPM_MIC("Call Mic", NULL), | |
417 | }; | |
418 | ||
419 | ||
8f3112d7 | 420 | static const struct snd_soc_dapm_route dapm_routes[] = { |
74930bb6 GG |
421 | |
422 | /* Connections to the lm4857 amp */ | |
423 | {"Audio Out", NULL, "LOUT1"}, | |
424 | {"Audio Out", NULL, "ROUT1"}, | |
425 | ||
426 | /* Connections to the GSM Module */ | |
427 | {"GSM Line Out", NULL, "MONO1"}, | |
428 | {"GSM Line Out", NULL, "MONO2"}, | |
429 | {"RXP", NULL, "GSM Line In"}, | |
430 | {"RXN", NULL, "GSM Line In"}, | |
431 | ||
432 | /* Connections to Headset */ | |
433 | {"MIC1", NULL, "Mic Bias"}, | |
434 | {"Mic Bias", NULL, "Headset Mic"}, | |
435 | ||
436 | /* Call Mic */ | |
437 | {"MIC2", NULL, "Mic Bias"}, | |
438 | {"MIC2N", NULL, "Mic Bias"}, | |
439 | {"Mic Bias", NULL, "Call Mic"}, | |
440 | ||
441 | /* Connect the ALC pins */ | |
442 | {"ACIN", NULL, "ACOP"}, | |
74930bb6 GG |
443 | }; |
444 | ||
445 | static const char *lm4857_mode[] = { | |
446 | "Off", | |
447 | "Call Speaker", | |
448 | "Stereo Speakers", | |
449 | "Stereo Speakers + Headphones", | |
450 | "Headphones" | |
451 | }; | |
452 | ||
453 | static const struct soc_enum lm4857_mode_enum[] = { | |
454 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lm4857_mode), lm4857_mode), | |
455 | }; | |
456 | ||
457 | static const char *neo_scenarios[] = { | |
458 | "Off", | |
459 | "GSM Handset", | |
460 | "GSM Headset", | |
461 | "GSM Bluetooth", | |
462 | "Speakers", | |
463 | "Headphones", | |
464 | "Capture Handset", | |
465 | "Capture Headset", | |
466 | "Capture Bluetooth" | |
467 | }; | |
468 | ||
469 | static const struct soc_enum neo_scenario_enum[] = { | |
8ba02ace | 470 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios), |
74930bb6 GG |
471 | }; |
472 | ||
a2e31a59 MM |
473 | static const DECLARE_TLV_DB_SCALE(stereo_tlv, -4050, 150, 0); |
474 | static const DECLARE_TLV_DB_SCALE(mono_tlv, -3450, 150, 0); | |
475 | ||
74930bb6 | 476 | static const struct snd_kcontrol_new wm8753_neo1973_controls[] = { |
a2e31a59 MM |
477 | SOC_SINGLE_EXT_TLV("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0, |
478 | lm4857_get_reg, lm4857_set_reg, stereo_tlv), | |
479 | SOC_SINGLE_EXT_TLV("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0, | |
480 | lm4857_get_reg, lm4857_set_reg, stereo_tlv), | |
481 | SOC_SINGLE_EXT_TLV("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0, | |
482 | lm4857_get_reg, lm4857_set_reg, mono_tlv), | |
74930bb6 GG |
483 | SOC_ENUM_EXT("Amp Mode", lm4857_mode_enum[0], |
484 | lm4857_get_mode, lm4857_set_mode), | |
485 | SOC_ENUM_EXT("Neo Mode", neo_scenario_enum[0], | |
486 | neo1973_get_scenario, neo1973_set_scenario), | |
487 | SOC_SINGLE_EXT("Amp Spk 3D Playback Switch", LM4857_LVOL, 5, 1, 0, | |
488 | lm4857_get_reg, lm4857_set_reg), | |
489 | SOC_SINGLE_EXT("Amp HP 3d Playback Switch", LM4857_RVOL, 5, 1, 0, | |
490 | lm4857_get_reg, lm4857_set_reg), | |
491 | SOC_SINGLE_EXT("Amp Fast Wakeup Playback Switch", LM4857_CTRL, 5, 1, 0, | |
492 | lm4857_get_reg, lm4857_set_reg), | |
493 | SOC_SINGLE_EXT("Amp Earpiece 6dB Playback Switch", LM4857_CTRL, 4, 1, 0, | |
494 | lm4857_get_reg, lm4857_set_reg), | |
495 | }; | |
496 | ||
497 | /* | |
498 | * This is an example machine initialisation for a wm8753 connected to a | |
499 | * neo1973 II. It is missing logic to detect hp/mic insertions and logic | |
500 | * to re-route the audio in such an event. | |
501 | */ | |
f0fba2ad | 502 | static int neo1973_wm8753_init(struct snd_soc_pcm_runtime *rtd) |
74930bb6 | 503 | { |
f0fba2ad | 504 | struct snd_soc_codec *codec = rtd->codec; |
eb5f6d75 | 505 | int err; |
74930bb6 | 506 | |
ee7d4767 | 507 | pr_debug("Entered %s\n", __func__); |
1894c59f | 508 | |
74930bb6 | 509 | /* set up NC codec pins */ |
b1cbc21c MB |
510 | snd_soc_dapm_nc_pin(codec, "LOUT2"); |
511 | snd_soc_dapm_nc_pin(codec, "ROUT2"); | |
512 | snd_soc_dapm_nc_pin(codec, "OUT3"); | |
513 | snd_soc_dapm_nc_pin(codec, "OUT4"); | |
514 | snd_soc_dapm_nc_pin(codec, "LINE1"); | |
515 | snd_soc_dapm_nc_pin(codec, "LINE2"); | |
74930bb6 | 516 | |
74930bb6 | 517 | /* Add neo1973 specific widgets */ |
8f3112d7 MB |
518 | snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets, |
519 | ARRAY_SIZE(wm8753_dapm_widgets)); | |
74930bb6 | 520 | |
e8089948 JB |
521 | /* set endpoints to default mode */ |
522 | set_scenario_endpoints(codec, NEO_AUDIO_OFF); | |
523 | ||
74930bb6 | 524 | /* add neo1973 specific controls */ |
eb5f6d75 PZ |
525 | err = snd_soc_add_controls(codec, wm8753_neo1973_controls, |
526 | ARRAY_SIZE(8753_neo1973_controls)); | |
527 | if (err < 0) | |
528 | return err; | |
74930bb6 | 529 | |
8f3112d7 MB |
530 | /* set up neo1973 specific audio routes */ |
531 | err = snd_soc_dapm_add_routes(codec, dapm_routes, | |
532 | ARRAY_SIZE(dapm_routes)); | |
74930bb6 | 533 | |
a5302181 | 534 | snd_soc_dapm_sync(codec); |
74930bb6 GG |
535 | return 0; |
536 | } | |
537 | ||
538 | /* | |
539 | * BT Codec DAI | |
540 | */ | |
1992a6fb | 541 | static struct snd_soc_dai bt_dai = { |
f0fba2ad | 542 | .name = "bluetooth-dai", |
74930bb6 GG |
543 | .playback = { |
544 | .channels_min = 1, | |
545 | .channels_max = 1, | |
546 | .rates = SNDRV_PCM_RATE_8000, | |
547 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
548 | .capture = { | |
549 | .channels_min = 1, | |
550 | .channels_max = 1, | |
551 | .rates = SNDRV_PCM_RATE_8000, | |
552 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
553 | }; | |
554 | ||
555 | static struct snd_soc_dai_link neo1973_dai[] = { | |
556 | { /* Hifi Playback - for similatious use with voice below */ | |
557 | .name = "WM8753", | |
558 | .stream_name = "WM8753 HiFi", | |
f0fba2ad LG |
559 | .platform_name = "s3c24xx-pcm-audio", |
560 | .cpu_dai_name = "s3c24xx-i2s", | |
561 | .codec_dai_name = "wm8753-hifi", | |
562 | .codec_name = "wm8753-codec.0-0x1a", | |
74930bb6 GG |
563 | .init = neo1973_wm8753_init, |
564 | .ops = &neo1973_hifi_ops, | |
565 | }, | |
566 | { /* Voice via BT */ | |
567 | .name = "Bluetooth", | |
568 | .stream_name = "Voice", | |
f0fba2ad LG |
569 | .platform_name = "s3c24xx-pcm-audio", |
570 | .cpu_dai_name = "bluetooth-dai", | |
571 | .codec_dai_name = "wm8753-voice", | |
572 | .codec_name = "wm8753-codec.0-0x1a", | |
74930bb6 GG |
573 | .ops = &neo1973_voice_ops, |
574 | }, | |
575 | }; | |
576 | ||
87506549 | 577 | static struct snd_soc_card neo1973 = { |
74930bb6 GG |
578 | .name = "neo1973", |
579 | .dai_link = neo1973_dai, | |
580 | .num_links = ARRAY_SIZE(neo1973_dai), | |
581 | }; | |
582 | ||
b6471305 JD |
583 | static int lm4857_i2c_probe(struct i2c_client *client, |
584 | const struct i2c_device_id *id) | |
74930bb6 | 585 | { |
ee7d4767 | 586 | pr_debug("Entered %s\n", __func__); |
1894c59f | 587 | |
f9d1ab39 JB |
588 | i2c = client; |
589 | ||
74930bb6 | 590 | lm4857_write_regs(); |
74930bb6 GG |
591 | return 0; |
592 | } | |
593 | ||
b6471305 | 594 | static int lm4857_i2c_remove(struct i2c_client *client) |
74930bb6 | 595 | { |
ee7d4767 | 596 | pr_debug("Entered %s\n", __func__); |
1894c59f | 597 | |
f9d1ab39 JB |
598 | i2c = NULL; |
599 | ||
b6471305 | 600 | return 0; |
74930bb6 GG |
601 | } |
602 | ||
fd403dc8 GG |
603 | static u8 lm4857_state; |
604 | ||
605 | static int lm4857_suspend(struct i2c_client *dev, pm_message_t state) | |
606 | { | |
ee7d4767 | 607 | pr_debug("Entered %s\n", __func__); |
1894c59f | 608 | |
fd403dc8 GG |
609 | dev_dbg(&dev->dev, "lm4857_suspend\n"); |
610 | lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf; | |
611 | if (lm4857_state) { | |
612 | lm4857_regs[LM4857_CTRL] &= 0xf0; | |
613 | lm4857_write_regs(); | |
614 | } | |
615 | return 0; | |
616 | } | |
617 | ||
618 | static int lm4857_resume(struct i2c_client *dev) | |
619 | { | |
ee7d4767 | 620 | pr_debug("Entered %s\n", __func__); |
1894c59f | 621 | |
fd403dc8 GG |
622 | if (lm4857_state) { |
623 | lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f); | |
624 | lm4857_write_regs(); | |
625 | } | |
626 | return 0; | |
627 | } | |
628 | ||
629 | static void lm4857_shutdown(struct i2c_client *dev) | |
630 | { | |
ee7d4767 | 631 | pr_debug("Entered %s\n", __func__); |
1894c59f | 632 | |
fd403dc8 GG |
633 | dev_dbg(&dev->dev, "lm4857_shutdown\n"); |
634 | lm4857_regs[LM4857_CTRL] &= 0xf0; | |
635 | lm4857_write_regs(); | |
636 | } | |
637 | ||
b6471305 | 638 | static const struct i2c_device_id lm4857_i2c_id[] = { |
df20cf92 | 639 | { "neo1973_lm4857", 0 }, |
b6471305 JD |
640 | { } |
641 | }; | |
642 | ||
74930bb6 GG |
643 | static struct i2c_driver lm4857_i2c_driver = { |
644 | .driver = { | |
645 | .name = "LM4857 I2C Amp", | |
646 | .owner = THIS_MODULE, | |
647 | }, | |
fd403dc8 GG |
648 | .suspend = lm4857_suspend, |
649 | .resume = lm4857_resume, | |
650 | .shutdown = lm4857_shutdown, | |
b6471305 JD |
651 | .probe = lm4857_i2c_probe, |
652 | .remove = lm4857_i2c_remove, | |
653 | .id_table = lm4857_i2c_id, | |
74930bb6 GG |
654 | }; |
655 | ||
656 | static struct platform_device *neo1973_snd_device; | |
657 | ||
658 | static int __init neo1973_init(void) | |
659 | { | |
660 | int ret; | |
661 | ||
ee7d4767 | 662 | pr_debug("Entered %s\n", __func__); |
1894c59f | 663 | |
fb2aa074 MB |
664 | if (!machine_is_neo1973_gta01()) { |
665 | printk(KERN_INFO | |
666 | "Only GTA01 hardware supported by ASoC driver\n"); | |
667 | return -ENODEV; | |
668 | } | |
669 | ||
74930bb6 GG |
670 | neo1973_snd_device = platform_device_alloc("soc-audio", -1); |
671 | if (!neo1973_snd_device) | |
672 | return -ENOMEM; | |
673 | ||
f0fba2ad | 674 | platform_set_drvdata(neo1973_snd_device, &neo1973); |
74930bb6 GG |
675 | ret = platform_device_add(neo1973_snd_device); |
676 | ||
d280289e | 677 | if (ret) { |
74930bb6 | 678 | platform_device_put(neo1973_snd_device); |
d280289e JD |
679 | return ret; |
680 | } | |
74930bb6 | 681 | |
f9d1ab39 JB |
682 | ret = i2c_add_driver(&lm4857_i2c_driver); |
683 | ||
b6471305 | 684 | if (ret != 0) |
d280289e | 685 | platform_device_unregister(neo1973_snd_device); |
74930bb6 GG |
686 | |
687 | return ret; | |
688 | } | |
689 | ||
690 | static void __exit neo1973_exit(void) | |
691 | { | |
ee7d4767 | 692 | pr_debug("Entered %s\n", __func__); |
1894c59f | 693 | |
6b9a9b32 | 694 | i2c_del_driver(&lm4857_i2c_driver); |
74930bb6 GG |
695 | platform_device_unregister(neo1973_snd_device); |
696 | } | |
697 | ||
698 | module_init(neo1973_init); | |
699 | module_exit(neo1973_exit); | |
700 | ||
701 | /* Module information */ | |
443590e6 | 702 | MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org"); |
74930bb6 GG |
703 | MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973"); |
704 | MODULE_LICENSE("GPL"); |