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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> | |
32 | #include <mach/audio.h> | |
8ba02ace | 33 | #include <linux/io.h> |
a09e64fb | 34 | #include <mach/spi-gpio.h> |
aa9673cf HW |
35 | |
36 | #include <asm/plat-s3c24xx/regs-iis.h> | |
37 | ||
74930bb6 GG |
38 | #include "../codecs/wm8753.h" |
39 | #include "lm4857.h" | |
40 | #include "s3c24xx-pcm.h" | |
41 | #include "s3c24xx-i2s.h" | |
42 | ||
1894c59f TN |
43 | /* Debugging stuff */ |
44 | #define S3C24XX_SOC_NEO1973_WM8753_DEBUG 0 | |
45 | #if S3C24XX_SOC_NEO1973_WM8753_DEBUG | |
46 | #define DBG(x...) printk(KERN_DEBUG "s3c24xx-soc-neo1973-wm8753: " x) | |
47 | #else | |
48 | #define DBG(x...) | |
49 | #endif | |
50 | ||
74930bb6 GG |
51 | /* define the scenarios */ |
52 | #define NEO_AUDIO_OFF 0 | |
53 | #define NEO_GSM_CALL_AUDIO_HANDSET 1 | |
54 | #define NEO_GSM_CALL_AUDIO_HEADSET 2 | |
55 | #define NEO_GSM_CALL_AUDIO_BLUETOOTH 3 | |
56 | #define NEO_STEREO_TO_SPEAKERS 4 | |
57 | #define NEO_STEREO_TO_HEADPHONES 5 | |
58 | #define NEO_CAPTURE_HANDSET 6 | |
59 | #define NEO_CAPTURE_HEADSET 7 | |
60 | #define NEO_CAPTURE_BLUETOOTH 8 | |
61 | ||
62 | static struct snd_soc_machine neo1973; | |
63 | static struct i2c_client *i2c; | |
64 | ||
65 | static int neo1973_hifi_hw_params(struct snd_pcm_substream *substream, | |
66 | struct snd_pcm_hw_params *params) | |
67 | { | |
68 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1992a6fb LG |
69 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
70 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
74930bb6 GG |
71 | unsigned int pll_out = 0, bclk = 0; |
72 | int ret = 0; | |
73 | unsigned long iis_clkrate; | |
74 | ||
1894c59f TN |
75 | DBG("Entered %s\n", __func__); |
76 | ||
74930bb6 GG |
77 | iis_clkrate = s3c24xx_i2s_get_clockrate(); |
78 | ||
79 | switch (params_rate(params)) { | |
80 | case 8000: | |
81 | case 16000: | |
82 | pll_out = 12288000; | |
83 | break; | |
84 | case 48000: | |
85 | bclk = WM8753_BCLK_DIV_4; | |
86 | pll_out = 12288000; | |
87 | break; | |
88 | case 96000: | |
89 | bclk = WM8753_BCLK_DIV_2; | |
90 | pll_out = 12288000; | |
91 | break; | |
92 | case 11025: | |
93 | bclk = WM8753_BCLK_DIV_16; | |
94 | pll_out = 11289600; | |
95 | break; | |
96 | case 22050: | |
97 | bclk = WM8753_BCLK_DIV_8; | |
98 | pll_out = 11289600; | |
99 | break; | |
100 | case 44100: | |
101 | bclk = WM8753_BCLK_DIV_4; | |
102 | pll_out = 11289600; | |
103 | break; | |
104 | case 88200: | |
105 | bclk = WM8753_BCLK_DIV_2; | |
106 | pll_out = 11289600; | |
107 | break; | |
108 | } | |
109 | ||
110 | /* set codec DAI configuration */ | |
64105cfd | 111 | ret = snd_soc_dai_set_fmt(codec_dai, |
74930bb6 GG |
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 cpu DAI configuration */ | |
64105cfd | 118 | ret = snd_soc_dai_set_fmt(cpu_dai, |
74930bb6 GG |
119 | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
120 | SND_SOC_DAIFMT_CBM_CFM); | |
121 | if (ret < 0) | |
122 | return ret; | |
123 | ||
124 | /* set the codec system clock for DAC and ADC */ | |
64105cfd | 125 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_MCLK, pll_out, |
74930bb6 GG |
126 | SND_SOC_CLOCK_IN); |
127 | if (ret < 0) | |
128 | return ret; | |
129 | ||
130 | /* set MCLK division for sample rate */ | |
64105cfd | 131 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_MCLK, |
8ba02ace | 132 | S3C2410_IISMOD_32FS); |
74930bb6 GG |
133 | if (ret < 0) |
134 | return ret; | |
135 | ||
136 | /* set codec BCLK division for sample rate */ | |
64105cfd | 137 | ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_BCLKDIV, bclk); |
74930bb6 GG |
138 | if (ret < 0) |
139 | return ret; | |
140 | ||
141 | /* set prescaler division for sample rate */ | |
64105cfd | 142 | ret = snd_soc_dai_set_clkdiv(cpu_dai, S3C24XX_DIV_PRESCALER, |
8ba02ace | 143 | S3C24XX_PRESCALE(4, 4)); |
74930bb6 GG |
144 | if (ret < 0) |
145 | return ret; | |
146 | ||
147 | /* codec PLL input is PCLK/4 */ | |
64105cfd | 148 | ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, |
74930bb6 GG |
149 | iis_clkrate / 4, pll_out); |
150 | if (ret < 0) | |
151 | return ret; | |
152 | ||
153 | return 0; | |
154 | } | |
155 | ||
156 | static int neo1973_hifi_hw_free(struct snd_pcm_substream *substream) | |
157 | { | |
158 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1992a6fb | 159 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
74930bb6 | 160 | |
1894c59f TN |
161 | DBG("Entered %s\n", __func__); |
162 | ||
74930bb6 | 163 | /* disable the PLL */ |
64105cfd | 164 | return snd_soc_dai_set_pll(codec_dai, WM8753_PLL1, 0, 0); |
74930bb6 GG |
165 | } |
166 | ||
167 | /* | |
168 | * Neo1973 WM8753 HiFi DAI opserations. | |
169 | */ | |
170 | static struct snd_soc_ops neo1973_hifi_ops = { | |
171 | .hw_params = neo1973_hifi_hw_params, | |
172 | .hw_free = neo1973_hifi_hw_free, | |
173 | }; | |
174 | ||
175 | static int neo1973_voice_hw_params(struct snd_pcm_substream *substream, | |
176 | struct snd_pcm_hw_params *params) | |
177 | { | |
178 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1992a6fb | 179 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
74930bb6 GG |
180 | unsigned int pcmdiv = 0; |
181 | int ret = 0; | |
182 | unsigned long iis_clkrate; | |
183 | ||
1894c59f TN |
184 | DBG("Entered %s\n", __func__); |
185 | ||
74930bb6 GG |
186 | iis_clkrate = s3c24xx_i2s_get_clockrate(); |
187 | ||
188 | if (params_rate(params) != 8000) | |
189 | return -EINVAL; | |
190 | if (params_channels(params) != 1) | |
191 | return -EINVAL; | |
192 | ||
193 | pcmdiv = WM8753_PCM_DIV_6; /* 2.048 MHz */ | |
194 | ||
195 | /* todo: gg check mode (DSP_B) against CSR datasheet */ | |
196 | /* set codec DAI configuration */ | |
64105cfd | 197 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_DSP_B | |
74930bb6 GG |
198 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); |
199 | if (ret < 0) | |
200 | return ret; | |
201 | ||
202 | /* set the codec system clock for DAC and ADC */ | |
64105cfd | 203 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8753_PCMCLK, 12288000, |
74930bb6 GG |
204 | SND_SOC_CLOCK_IN); |
205 | if (ret < 0) | |
206 | return ret; | |
207 | ||
208 | /* set codec PCM division for sample rate */ | |
64105cfd | 209 | ret = snd_soc_dai_set_clkdiv(codec_dai, WM8753_PCMDIV, pcmdiv); |
74930bb6 GG |
210 | if (ret < 0) |
211 | return ret; | |
212 | ||
213 | /* configue and enable PLL for 12.288MHz output */ | |
64105cfd | 214 | ret = snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, |
74930bb6 GG |
215 | iis_clkrate / 4, 12288000); |
216 | if (ret < 0) | |
217 | return ret; | |
218 | ||
219 | return 0; | |
220 | } | |
221 | ||
222 | static int neo1973_voice_hw_free(struct snd_pcm_substream *substream) | |
223 | { | |
224 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
1992a6fb | 225 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
74930bb6 | 226 | |
1894c59f TN |
227 | DBG("Entered %s\n", __func__); |
228 | ||
74930bb6 | 229 | /* disable the PLL */ |
64105cfd | 230 | return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0); |
74930bb6 GG |
231 | } |
232 | ||
233 | static struct snd_soc_ops neo1973_voice_ops = { | |
234 | .hw_params = neo1973_voice_hw_params, | |
235 | .hw_free = neo1973_voice_hw_free, | |
236 | }; | |
237 | ||
8ba02ace | 238 | static int neo1973_scenario; |
74930bb6 GG |
239 | |
240 | static int neo1973_get_scenario(struct snd_kcontrol *kcontrol, | |
241 | struct snd_ctl_elem_value *ucontrol) | |
242 | { | |
243 | ucontrol->value.integer.value[0] = neo1973_scenario; | |
244 | return 0; | |
245 | } | |
246 | ||
247 | static int set_scenario_endpoints(struct snd_soc_codec *codec, int scenario) | |
248 | { | |
1894c59f TN |
249 | DBG("Entered %s\n", __func__); |
250 | ||
8ba02ace | 251 | switch (neo1973_scenario) { |
74930bb6 | 252 | case NEO_AUDIO_OFF: |
a5302181 LG |
253 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
254 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
255 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
256 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
257 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
258 | break; |
259 | case NEO_GSM_CALL_AUDIO_HANDSET: | |
a5302181 LG |
260 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
261 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); | |
262 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); | |
263 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
264 | snd_soc_dapm_enable_pin(codec, "Call Mic"); | |
74930bb6 GG |
265 | break; |
266 | case NEO_GSM_CALL_AUDIO_HEADSET: | |
a5302181 LG |
267 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
268 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); | |
269 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); | |
270 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); | |
271 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
272 | break; |
273 | case NEO_GSM_CALL_AUDIO_BLUETOOTH: | |
a5302181 LG |
274 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
275 | snd_soc_dapm_enable_pin(codec, "GSM Line Out"); | |
276 | snd_soc_dapm_enable_pin(codec, "GSM Line In"); | |
277 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
278 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
279 | break; |
280 | case NEO_STEREO_TO_SPEAKERS: | |
a5302181 LG |
281 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
282 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
283 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
284 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
285 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
286 | break; |
287 | case NEO_STEREO_TO_HEADPHONES: | |
a5302181 LG |
288 | snd_soc_dapm_enable_pin(codec, "Audio Out"); |
289 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
290 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
291 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
292 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
293 | break; |
294 | case NEO_CAPTURE_HANDSET: | |
a5302181 LG |
295 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
296 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
297 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
298 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
299 | snd_soc_dapm_enable_pin(codec, "Call Mic"); | |
74930bb6 GG |
300 | break; |
301 | case NEO_CAPTURE_HEADSET: | |
a5302181 LG |
302 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
303 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
304 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
305 | snd_soc_dapm_enable_pin(codec, "Headset Mic"); | |
306 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
307 | break; |
308 | case NEO_CAPTURE_BLUETOOTH: | |
a5302181 LG |
309 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
310 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
311 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
312 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
313 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
314 | break; |
315 | default: | |
a5302181 LG |
316 | snd_soc_dapm_disable_pin(codec, "Audio Out"); |
317 | snd_soc_dapm_disable_pin(codec, "GSM Line Out"); | |
318 | snd_soc_dapm_disable_pin(codec, "GSM Line In"); | |
319 | snd_soc_dapm_disable_pin(codec, "Headset Mic"); | |
320 | snd_soc_dapm_disable_pin(codec, "Call Mic"); | |
74930bb6 GG |
321 | } |
322 | ||
a5302181 | 323 | snd_soc_dapm_sync(codec); |
74930bb6 GG |
324 | |
325 | return 0; | |
326 | } | |
327 | ||
328 | static int neo1973_set_scenario(struct snd_kcontrol *kcontrol, | |
329 | struct snd_ctl_elem_value *ucontrol) | |
330 | { | |
331 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
332 | ||
1894c59f TN |
333 | DBG("Entered %s\n", __func__); |
334 | ||
74930bb6 GG |
335 | if (neo1973_scenario == ucontrol->value.integer.value[0]) |
336 | return 0; | |
337 | ||
338 | neo1973_scenario = ucontrol->value.integer.value[0]; | |
339 | set_scenario_endpoints(codec, neo1973_scenario); | |
340 | return 1; | |
341 | } | |
342 | ||
343 | static u8 lm4857_regs[4] = {0x00, 0x40, 0x80, 0xC0}; | |
344 | ||
345 | static void lm4857_write_regs(void) | |
346 | { | |
1894c59f TN |
347 | DBG("Entered %s\n", __func__); |
348 | ||
74930bb6 GG |
349 | if (i2c_master_send(i2c, lm4857_regs, 4) != 4) |
350 | printk(KERN_ERR "lm4857: i2c write failed\n"); | |
351 | } | |
352 | ||
353 | static int lm4857_get_reg(struct snd_kcontrol *kcontrol, | |
354 | struct snd_ctl_elem_value *ucontrol) | |
355 | { | |
8ba02ace | 356 | int reg = kcontrol->private_value & 0xFF; |
74930bb6 GG |
357 | int shift = (kcontrol->private_value >> 8) & 0x0F; |
358 | int mask = (kcontrol->private_value >> 16) & 0xFF; | |
359 | ||
1894c59f TN |
360 | DBG("Entered %s\n", __func__); |
361 | ||
74930bb6 GG |
362 | ucontrol->value.integer.value[0] = (lm4857_regs[reg] >> shift) & mask; |
363 | return 0; | |
364 | } | |
365 | ||
366 | static int lm4857_set_reg(struct snd_kcontrol *kcontrol, | |
367 | struct snd_ctl_elem_value *ucontrol) | |
368 | { | |
369 | int reg = kcontrol->private_value & 0xFF; | |
370 | int shift = (kcontrol->private_value >> 8) & 0x0F; | |
371 | int mask = (kcontrol->private_value >> 16) & 0xFF; | |
372 | ||
8ba02ace | 373 | if (((lm4857_regs[reg] >> shift) & mask) == |
74930bb6 GG |
374 | ucontrol->value.integer.value[0]) |
375 | return 0; | |
376 | ||
8ba02ace | 377 | lm4857_regs[reg] &= ~(mask << shift); |
74930bb6 GG |
378 | lm4857_regs[reg] |= ucontrol->value.integer.value[0] << shift; |
379 | lm4857_write_regs(); | |
380 | return 1; | |
381 | } | |
382 | ||
383 | static int lm4857_get_mode(struct snd_kcontrol *kcontrol, | |
384 | struct snd_ctl_elem_value *ucontrol) | |
385 | { | |
386 | u8 value = lm4857_regs[LM4857_CTRL] & 0x0F; | |
387 | ||
1894c59f TN |
388 | DBG("Entered %s\n", __func__); |
389 | ||
74930bb6 GG |
390 | if (value) |
391 | value -= 5; | |
392 | ||
393 | ucontrol->value.integer.value[0] = value; | |
394 | return 0; | |
395 | } | |
396 | ||
397 | static int lm4857_set_mode(struct snd_kcontrol *kcontrol, | |
398 | struct snd_ctl_elem_value *ucontrol) | |
399 | { | |
400 | u8 value = ucontrol->value.integer.value[0]; | |
401 | ||
1894c59f TN |
402 | DBG("Entered %s\n", __func__); |
403 | ||
74930bb6 GG |
404 | if (value) |
405 | value += 5; | |
406 | ||
407 | if ((lm4857_regs[LM4857_CTRL] & 0x0F) == value) | |
408 | return 0; | |
409 | ||
410 | lm4857_regs[LM4857_CTRL] &= 0xF0; | |
411 | lm4857_regs[LM4857_CTRL] |= value; | |
412 | lm4857_write_regs(); | |
413 | return 1; | |
414 | } | |
415 | ||
416 | static const struct snd_soc_dapm_widget wm8753_dapm_widgets[] = { | |
417 | SND_SOC_DAPM_LINE("Audio Out", NULL), | |
418 | SND_SOC_DAPM_LINE("GSM Line Out", NULL), | |
419 | SND_SOC_DAPM_LINE("GSM Line In", NULL), | |
420 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
421 | SND_SOC_DAPM_MIC("Call Mic", NULL), | |
422 | }; | |
423 | ||
424 | ||
8f3112d7 | 425 | static const struct snd_soc_dapm_route dapm_routes[] = { |
74930bb6 GG |
426 | |
427 | /* Connections to the lm4857 amp */ | |
428 | {"Audio Out", NULL, "LOUT1"}, | |
429 | {"Audio Out", NULL, "ROUT1"}, | |
430 | ||
431 | /* Connections to the GSM Module */ | |
432 | {"GSM Line Out", NULL, "MONO1"}, | |
433 | {"GSM Line Out", NULL, "MONO2"}, | |
434 | {"RXP", NULL, "GSM Line In"}, | |
435 | {"RXN", NULL, "GSM Line In"}, | |
436 | ||
437 | /* Connections to Headset */ | |
438 | {"MIC1", NULL, "Mic Bias"}, | |
439 | {"Mic Bias", NULL, "Headset Mic"}, | |
440 | ||
441 | /* Call Mic */ | |
442 | {"MIC2", NULL, "Mic Bias"}, | |
443 | {"MIC2N", NULL, "Mic Bias"}, | |
444 | {"Mic Bias", NULL, "Call Mic"}, | |
445 | ||
446 | /* Connect the ALC pins */ | |
447 | {"ACIN", NULL, "ACOP"}, | |
74930bb6 GG |
448 | }; |
449 | ||
450 | static const char *lm4857_mode[] = { | |
451 | "Off", | |
452 | "Call Speaker", | |
453 | "Stereo Speakers", | |
454 | "Stereo Speakers + Headphones", | |
455 | "Headphones" | |
456 | }; | |
457 | ||
458 | static const struct soc_enum lm4857_mode_enum[] = { | |
459 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(lm4857_mode), lm4857_mode), | |
460 | }; | |
461 | ||
462 | static const char *neo_scenarios[] = { | |
463 | "Off", | |
464 | "GSM Handset", | |
465 | "GSM Headset", | |
466 | "GSM Bluetooth", | |
467 | "Speakers", | |
468 | "Headphones", | |
469 | "Capture Handset", | |
470 | "Capture Headset", | |
471 | "Capture Bluetooth" | |
472 | }; | |
473 | ||
474 | static const struct soc_enum neo_scenario_enum[] = { | |
8ba02ace | 475 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(neo_scenarios), neo_scenarios), |
74930bb6 GG |
476 | }; |
477 | ||
a2e31a59 MM |
478 | static const DECLARE_TLV_DB_SCALE(stereo_tlv, -4050, 150, 0); |
479 | static const DECLARE_TLV_DB_SCALE(mono_tlv, -3450, 150, 0); | |
480 | ||
74930bb6 | 481 | static const struct snd_kcontrol_new wm8753_neo1973_controls[] = { |
a2e31a59 MM |
482 | SOC_SINGLE_EXT_TLV("Amp Left Playback Volume", LM4857_LVOL, 0, 31, 0, |
483 | lm4857_get_reg, lm4857_set_reg, stereo_tlv), | |
484 | SOC_SINGLE_EXT_TLV("Amp Right Playback Volume", LM4857_RVOL, 0, 31, 0, | |
485 | lm4857_get_reg, lm4857_set_reg, stereo_tlv), | |
486 | SOC_SINGLE_EXT_TLV("Amp Mono Playback Volume", LM4857_MVOL, 0, 31, 0, | |
487 | lm4857_get_reg, lm4857_set_reg, mono_tlv), | |
74930bb6 GG |
488 | SOC_ENUM_EXT("Amp Mode", lm4857_mode_enum[0], |
489 | lm4857_get_mode, lm4857_set_mode), | |
490 | SOC_ENUM_EXT("Neo Mode", neo_scenario_enum[0], | |
491 | neo1973_get_scenario, neo1973_set_scenario), | |
492 | SOC_SINGLE_EXT("Amp Spk 3D Playback Switch", LM4857_LVOL, 5, 1, 0, | |
493 | lm4857_get_reg, lm4857_set_reg), | |
494 | SOC_SINGLE_EXT("Amp HP 3d Playback Switch", LM4857_RVOL, 5, 1, 0, | |
495 | lm4857_get_reg, lm4857_set_reg), | |
496 | SOC_SINGLE_EXT("Amp Fast Wakeup Playback Switch", LM4857_CTRL, 5, 1, 0, | |
497 | lm4857_get_reg, lm4857_set_reg), | |
498 | SOC_SINGLE_EXT("Amp Earpiece 6dB Playback Switch", LM4857_CTRL, 4, 1, 0, | |
499 | lm4857_get_reg, lm4857_set_reg), | |
500 | }; | |
501 | ||
502 | /* | |
503 | * This is an example machine initialisation for a wm8753 connected to a | |
504 | * neo1973 II. It is missing logic to detect hp/mic insertions and logic | |
505 | * to re-route the audio in such an event. | |
506 | */ | |
507 | static int neo1973_wm8753_init(struct snd_soc_codec *codec) | |
508 | { | |
509 | int i, err; | |
510 | ||
1894c59f TN |
511 | DBG("Entered %s\n", __func__); |
512 | ||
74930bb6 | 513 | /* set up NC codec pins */ |
a5302181 LG |
514 | snd_soc_dapm_disable_pin(codec, "LOUT2"); |
515 | snd_soc_dapm_disable_pin(codec, "ROUT2"); | |
516 | snd_soc_dapm_disable_pin(codec, "OUT3"); | |
517 | snd_soc_dapm_disable_pin(codec, "OUT4"); | |
518 | snd_soc_dapm_disable_pin(codec, "LINE1"); | |
519 | snd_soc_dapm_disable_pin(codec, "LINE2"); | |
74930bb6 GG |
520 | |
521 | ||
522 | /* set endpoints to default mode */ | |
523 | set_scenario_endpoints(codec, NEO_AUDIO_OFF); | |
524 | ||
525 | /* Add neo1973 specific widgets */ | |
8f3112d7 MB |
526 | snd_soc_dapm_new_controls(codec, wm8753_dapm_widgets, |
527 | ARRAY_SIZE(wm8753_dapm_widgets)); | |
74930bb6 GG |
528 | |
529 | /* add neo1973 specific controls */ | |
530 | for (i = 0; i < ARRAY_SIZE(wm8753_neo1973_controls); i++) { | |
531 | err = snd_ctl_add(codec->card, | |
532 | snd_soc_cnew(&wm8753_neo1973_controls[i], | |
533 | codec, NULL)); | |
534 | if (err < 0) | |
535 | return err; | |
536 | } | |
537 | ||
8f3112d7 MB |
538 | /* set up neo1973 specific audio routes */ |
539 | err = snd_soc_dapm_add_routes(codec, dapm_routes, | |
540 | ARRAY_SIZE(dapm_routes)); | |
74930bb6 | 541 | |
a5302181 | 542 | snd_soc_dapm_sync(codec); |
74930bb6 GG |
543 | return 0; |
544 | } | |
545 | ||
546 | /* | |
547 | * BT Codec DAI | |
548 | */ | |
1992a6fb | 549 | static struct snd_soc_dai bt_dai = { |
8ba02ace | 550 | .name = "Bluetooth", |
74930bb6 GG |
551 | .id = 0, |
552 | .type = SND_SOC_DAI_PCM, | |
553 | .playback = { | |
554 | .channels_min = 1, | |
555 | .channels_max = 1, | |
556 | .rates = SNDRV_PCM_RATE_8000, | |
557 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
558 | .capture = { | |
559 | .channels_min = 1, | |
560 | .channels_max = 1, | |
561 | .rates = SNDRV_PCM_RATE_8000, | |
562 | .formats = SNDRV_PCM_FMTBIT_S16_LE,}, | |
563 | }; | |
564 | ||
565 | static struct snd_soc_dai_link neo1973_dai[] = { | |
566 | { /* Hifi Playback - for similatious use with voice below */ | |
567 | .name = "WM8753", | |
568 | .stream_name = "WM8753 HiFi", | |
569 | .cpu_dai = &s3c24xx_i2s_dai, | |
570 | .codec_dai = &wm8753_dai[WM8753_DAI_HIFI], | |
571 | .init = neo1973_wm8753_init, | |
572 | .ops = &neo1973_hifi_ops, | |
573 | }, | |
574 | { /* Voice via BT */ | |
575 | .name = "Bluetooth", | |
576 | .stream_name = "Voice", | |
577 | .cpu_dai = &bt_dai, | |
578 | .codec_dai = &wm8753_dai[WM8753_DAI_VOICE], | |
579 | .ops = &neo1973_voice_ops, | |
580 | }, | |
581 | }; | |
582 | ||
583 | static struct snd_soc_machine neo1973 = { | |
584 | .name = "neo1973", | |
585 | .dai_link = neo1973_dai, | |
586 | .num_links = ARRAY_SIZE(neo1973_dai), | |
587 | }; | |
588 | ||
589 | static struct wm8753_setup_data neo1973_wm8753_setup = { | |
ad4503d8 | 590 | .i2c_bus = 0, |
74930bb6 GG |
591 | .i2c_address = 0x1a, |
592 | }; | |
593 | ||
594 | static struct snd_soc_device neo1973_snd_devdata = { | |
595 | .machine = &neo1973, | |
596 | .platform = &s3c24xx_soc_platform, | |
597 | .codec_dev = &soc_codec_dev_wm8753, | |
598 | .codec_data = &neo1973_wm8753_setup, | |
599 | }; | |
600 | ||
b6471305 JD |
601 | static int lm4857_i2c_probe(struct i2c_client *client, |
602 | const struct i2c_device_id *id) | |
74930bb6 | 603 | { |
1894c59f TN |
604 | DBG("Entered %s\n", __func__); |
605 | ||
74930bb6 | 606 | lm4857_write_regs(); |
74930bb6 GG |
607 | return 0; |
608 | } | |
609 | ||
b6471305 | 610 | static int lm4857_i2c_remove(struct i2c_client *client) |
74930bb6 | 611 | { |
1894c59f TN |
612 | DBG("Entered %s\n", __func__); |
613 | ||
b6471305 | 614 | return 0; |
74930bb6 GG |
615 | } |
616 | ||
fd403dc8 GG |
617 | static u8 lm4857_state; |
618 | ||
619 | static int lm4857_suspend(struct i2c_client *dev, pm_message_t state) | |
620 | { | |
1894c59f TN |
621 | DBG("Entered %s\n", __func__); |
622 | ||
fd403dc8 GG |
623 | dev_dbg(&dev->dev, "lm4857_suspend\n"); |
624 | lm4857_state = lm4857_regs[LM4857_CTRL] & 0xf; | |
625 | if (lm4857_state) { | |
626 | lm4857_regs[LM4857_CTRL] &= 0xf0; | |
627 | lm4857_write_regs(); | |
628 | } | |
629 | return 0; | |
630 | } | |
631 | ||
632 | static int lm4857_resume(struct i2c_client *dev) | |
633 | { | |
1894c59f TN |
634 | DBG("Entered %s\n", __func__); |
635 | ||
fd403dc8 GG |
636 | if (lm4857_state) { |
637 | lm4857_regs[LM4857_CTRL] |= (lm4857_state & 0x0f); | |
638 | lm4857_write_regs(); | |
639 | } | |
640 | return 0; | |
641 | } | |
642 | ||
643 | static void lm4857_shutdown(struct i2c_client *dev) | |
644 | { | |
1894c59f TN |
645 | DBG("Entered %s\n", __func__); |
646 | ||
fd403dc8 GG |
647 | dev_dbg(&dev->dev, "lm4857_shutdown\n"); |
648 | lm4857_regs[LM4857_CTRL] &= 0xf0; | |
649 | lm4857_write_regs(); | |
650 | } | |
651 | ||
b6471305 JD |
652 | static const struct i2c_device_id lm4857_i2c_id[] = { |
653 | { "neo1973_lm4857", 0 } | |
654 | { } | |
655 | }; | |
656 | ||
74930bb6 GG |
657 | static struct i2c_driver lm4857_i2c_driver = { |
658 | .driver = { | |
659 | .name = "LM4857 I2C Amp", | |
660 | .owner = THIS_MODULE, | |
661 | }, | |
fd403dc8 GG |
662 | .suspend = lm4857_suspend, |
663 | .resume = lm4857_resume, | |
664 | .shutdown = lm4857_shutdown, | |
b6471305 JD |
665 | .probe = lm4857_i2c_probe, |
666 | .remove = lm4857_i2c_remove, | |
667 | .id_table = lm4857_i2c_id, | |
74930bb6 GG |
668 | }; |
669 | ||
670 | static struct platform_device *neo1973_snd_device; | |
b6471305 JD |
671 | static struct i2c_client *lm4857_client; |
672 | ||
673 | static int __init neo1973_add_lm4857_device(struct platform_device *pdev, | |
674 | int i2c_bus, | |
675 | unsigned short i2c_address) | |
676 | { | |
677 | struct i2c_board_info info; | |
678 | struct i2c_adapter *adapter; | |
679 | struct i2c_client *client; | |
680 | int ret; | |
681 | ||
682 | ret = i2c_add_driver(&lm4857_i2c_driver); | |
683 | if (ret != 0) { | |
684 | dev_err(&pdev->dev, "can't add lm4857 driver\n"); | |
685 | return ret; | |
686 | } | |
687 | ||
688 | memset(&info, 0, sizeof(struct i2c_board_info)); | |
689 | info.addr = i2c_address; | |
690 | strlcpy(info.type, "neo1973_lm4857", I2C_NAME_SIZE); | |
691 | ||
692 | adapter = i2c_get_adapter(i2c_bus); | |
693 | if (!adapter) { | |
694 | dev_err(&pdev->dev, "can't get i2c adapter %d\n", i2c_bus); | |
695 | goto err_driver; | |
696 | } | |
697 | ||
698 | client = i2c_new_device(adapter, &info); | |
699 | i2c_put_adapter(adapter); | |
700 | if (!client) { | |
701 | dev_err(&pdev->dev, "can't add lm4857 device at 0x%x\n", | |
702 | (unsigned int)info.addr); | |
703 | goto err_driver; | |
704 | } | |
705 | ||
706 | lm4857_client = client; | |
707 | return 0; | |
708 | ||
709 | err_driver: | |
710 | i2c_del_driver(&lm4857_i2c_driver); | |
711 | return -ENODEV; | |
712 | } | |
74930bb6 GG |
713 | |
714 | static int __init neo1973_init(void) | |
715 | { | |
716 | int ret; | |
717 | ||
1894c59f TN |
718 | DBG("Entered %s\n", __func__); |
719 | ||
fb2aa074 MB |
720 | if (!machine_is_neo1973_gta01()) { |
721 | printk(KERN_INFO | |
722 | "Only GTA01 hardware supported by ASoC driver\n"); | |
723 | return -ENODEV; | |
724 | } | |
725 | ||
74930bb6 GG |
726 | neo1973_snd_device = platform_device_alloc("soc-audio", -1); |
727 | if (!neo1973_snd_device) | |
728 | return -ENOMEM; | |
729 | ||
730 | platform_set_drvdata(neo1973_snd_device, &neo1973_snd_devdata); | |
731 | neo1973_snd_devdata.dev = &neo1973_snd_device->dev; | |
732 | ret = platform_device_add(neo1973_snd_device); | |
733 | ||
d280289e | 734 | if (ret) { |
74930bb6 | 735 | platform_device_put(neo1973_snd_device); |
d280289e JD |
736 | return ret; |
737 | } | |
74930bb6 | 738 | |
b6471305 JD |
739 | ret = neo1973_add_lm4857_device(neo1973_snd_device, |
740 | neo1973_wm8753_setup, 0x7C); | |
741 | if (ret != 0) | |
d280289e | 742 | platform_device_unregister(neo1973_snd_device); |
74930bb6 GG |
743 | |
744 | return ret; | |
745 | } | |
746 | ||
747 | static void __exit neo1973_exit(void) | |
748 | { | |
1894c59f TN |
749 | DBG("Entered %s\n", __func__); |
750 | ||
b6471305 | 751 | i2c_unregister_device(lm4857_client); |
6b9a9b32 | 752 | i2c_del_driver(&lm4857_i2c_driver); |
74930bb6 GG |
753 | platform_device_unregister(neo1973_snd_device); |
754 | } | |
755 | ||
756 | module_init(neo1973_init); | |
757 | module_exit(neo1973_exit); | |
758 | ||
759 | /* Module information */ | |
443590e6 | 760 | MODULE_AUTHOR("Graeme Gregory, graeme@openmoko.org, www.openmoko.org"); |
74930bb6 GG |
761 | MODULE_DESCRIPTION("ALSA SoC WM8753 Neo1973"); |
762 | MODULE_LICENSE("GPL"); |