Commit | Line | Data |
---|---|---|
7fb290d0 LG |
1 | /* |
2 | * spitz.c -- SoC audio for Sharp SL-Cxx00 models Spitz, Borzoi and Akita | |
3 | * | |
4 | * Copyright 2005 Wolfson Microelectronics PLC. | |
5 | * Copyright 2005 Openedhand Ltd. | |
6 | * | |
d331124d | 7 | * Authors: Liam Girdwood <lrg@slimlogic.co.uk> |
7fb290d0 LG |
8 | * Richard Purdie <richard@openedhand.com> |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify it | |
11 | * under the terms of the GNU General Public License as published by the | |
12 | * Free Software Foundation; either version 2 of the License, or (at your | |
13 | * option) any later version. | |
14 | * | |
7fb290d0 LG |
15 | */ |
16 | ||
17 | #include <linux/module.h> | |
18 | #include <linux/moduleparam.h> | |
19 | #include <linux/timer.h> | |
20 | #include <linux/interrupt.h> | |
21 | #include <linux/platform_device.h> | |
fff14720 | 22 | #include <linux/gpio.h> |
7fb290d0 LG |
23 | #include <sound/core.h> |
24 | #include <sound/pcm.h> | |
25 | #include <sound/soc.h> | |
26 | #include <sound/soc-dapm.h> | |
27 | ||
28 | #include <asm/mach-types.h> | |
a09e64fb | 29 | #include <mach/spitz.h> |
7fb290d0 | 30 | #include "../codecs/wm8750.h" |
97952f60 | 31 | #include "pxa2xx-i2s.h" |
7fb290d0 LG |
32 | |
33 | #define SPITZ_HP 0 | |
34 | #define SPITZ_MIC 1 | |
35 | #define SPITZ_LINE 2 | |
36 | #define SPITZ_HEADSET 3 | |
37 | #define SPITZ_HP_OFF 4 | |
38 | #define SPITZ_SPK_ON 0 | |
39 | #define SPITZ_SPK_OFF 1 | |
40 | ||
41 | /* audio clock in Hz - rounded from 12.235MHz */ | |
42 | #define SPITZ_AUDIO_CLOCK 12288000 | |
43 | ||
44 | static int spitz_jack_func; | |
45 | static int spitz_spk_func; | |
46 | ||
47 | static void spitz_ext_control(struct snd_soc_codec *codec) | |
48 | { | |
49 | if (spitz_spk_func == SPITZ_SPK_ON) | |
a5302181 | 50 | snd_soc_dapm_enable_pin(codec, "Ext Spk"); |
7fb290d0 | 51 | else |
a5302181 | 52 | snd_soc_dapm_disable_pin(codec, "Ext Spk"); |
7fb290d0 LG |
53 | |
54 | /* set up jack connection */ | |
55 | switch (spitz_jack_func) { | |
56 | case SPITZ_HP: | |
57 | /* enable and unmute hp jack, disable mic bias */ | |
a5302181 LG |
58 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); |
59 | snd_soc_dapm_disable_pin(codec, "Mic Jack"); | |
60 | snd_soc_dapm_disable_pin(codec, "Line Jack"); | |
61 | snd_soc_dapm_enable_pin(codec, "Headphone Jack"); | |
fff14720 EM |
62 | gpio_set_value(SPITZ_GPIO_MUTE_L, 1); |
63 | gpio_set_value(SPITZ_GPIO_MUTE_R, 1); | |
7fb290d0 LG |
64 | break; |
65 | case SPITZ_MIC: | |
66 | /* enable mic jack and bias, mute hp */ | |
a5302181 LG |
67 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
68 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); | |
69 | snd_soc_dapm_disable_pin(codec, "Line Jack"); | |
70 | snd_soc_dapm_enable_pin(codec, "Mic Jack"); | |
fff14720 EM |
71 | gpio_set_value(SPITZ_GPIO_MUTE_L, 0); |
72 | gpio_set_value(SPITZ_GPIO_MUTE_R, 0); | |
7fb290d0 LG |
73 | break; |
74 | case SPITZ_LINE: | |
75 | /* enable line jack, disable mic bias and mute hp */ | |
a5302181 LG |
76 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
77 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); | |
78 | snd_soc_dapm_disable_pin(codec, "Mic Jack"); | |
79 | snd_soc_dapm_enable_pin(codec, "Line Jack"); | |
fff14720 EM |
80 | gpio_set_value(SPITZ_GPIO_MUTE_L, 0); |
81 | gpio_set_value(SPITZ_GPIO_MUTE_R, 0); | |
7fb290d0 LG |
82 | break; |
83 | case SPITZ_HEADSET: | |
84 | /* enable and unmute headset jack enable mic bias, mute L hp */ | |
a5302181 LG |
85 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
86 | snd_soc_dapm_enable_pin(codec, "Mic Jack"); | |
87 | snd_soc_dapm_disable_pin(codec, "Line Jack"); | |
88 | snd_soc_dapm_enable_pin(codec, "Headset Jack"); | |
fff14720 EM |
89 | gpio_set_value(SPITZ_GPIO_MUTE_L, 0); |
90 | gpio_set_value(SPITZ_GPIO_MUTE_R, 1); | |
7fb290d0 LG |
91 | break; |
92 | case SPITZ_HP_OFF: | |
93 | ||
94 | /* jack removed, everything off */ | |
a5302181 LG |
95 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); |
96 | snd_soc_dapm_disable_pin(codec, "Headset Jack"); | |
97 | snd_soc_dapm_disable_pin(codec, "Mic Jack"); | |
98 | snd_soc_dapm_disable_pin(codec, "Line Jack"); | |
fff14720 EM |
99 | gpio_set_value(SPITZ_GPIO_MUTE_L, 0); |
100 | gpio_set_value(SPITZ_GPIO_MUTE_R, 0); | |
7fb290d0 LG |
101 | break; |
102 | } | |
a5302181 | 103 | snd_soc_dapm_sync(codec); |
7fb290d0 LG |
104 | } |
105 | ||
106 | static int spitz_startup(struct snd_pcm_substream *substream) | |
107 | { | |
108 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 109 | struct snd_soc_codec *codec = rtd->codec; |
7fb290d0 LG |
110 | |
111 | /* check the jack status at stream startup */ | |
112 | spitz_ext_control(codec); | |
113 | return 0; | |
114 | } | |
115 | ||
97952f60 LG |
116 | static int spitz_hw_params(struct snd_pcm_substream *substream, |
117 | struct snd_pcm_hw_params *params) | |
118 | { | |
119 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
120 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
121 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
97952f60 LG |
122 | unsigned int clk = 0; |
123 | int ret = 0; | |
124 | ||
125 | switch (params_rate(params)) { | |
126 | case 8000: | |
127 | case 16000: | |
128 | case 48000: | |
129 | case 96000: | |
130 | clk = 12288000; | |
131 | break; | |
132 | case 11025: | |
133 | case 22050: | |
134 | case 44100: | |
135 | clk = 11289600; | |
136 | break; | |
137 | } | |
138 | ||
139 | /* set codec DAI configuration */ | |
64105cfd | 140 | ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | |
97952f60 LG |
141 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); |
142 | if (ret < 0) | |
143 | return ret; | |
144 | ||
145 | /* set cpu DAI configuration */ | |
64105cfd | 146 | ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | |
97952f60 LG |
147 | SND_SOC_DAIFMT_NB_NF | SND_SOC_DAIFMT_CBS_CFS); |
148 | if (ret < 0) | |
149 | return ret; | |
150 | ||
151 | /* set the codec system clock for DAC and ADC */ | |
64105cfd | 152 | ret = snd_soc_dai_set_sysclk(codec_dai, WM8750_SYSCLK, clk, |
97952f60 LG |
153 | SND_SOC_CLOCK_IN); |
154 | if (ret < 0) | |
155 | return ret; | |
156 | ||
157 | /* set the I2S system clock as input (unused) */ | |
64105cfd | 158 | ret = snd_soc_dai_set_sysclk(cpu_dai, PXA2XX_I2S_SYSCLK, 0, |
97952f60 LG |
159 | SND_SOC_CLOCK_IN); |
160 | if (ret < 0) | |
161 | return ret; | |
162 | ||
163 | return 0; | |
164 | } | |
165 | ||
7fb290d0 LG |
166 | static struct snd_soc_ops spitz_ops = { |
167 | .startup = spitz_startup, | |
97952f60 | 168 | .hw_params = spitz_hw_params, |
7fb290d0 LG |
169 | }; |
170 | ||
171 | static int spitz_get_jack(struct snd_kcontrol *kcontrol, | |
172 | struct snd_ctl_elem_value *ucontrol) | |
173 | { | |
174 | ucontrol->value.integer.value[0] = spitz_jack_func; | |
175 | return 0; | |
176 | } | |
177 | ||
178 | static int spitz_set_jack(struct snd_kcontrol *kcontrol, | |
179 | struct snd_ctl_elem_value *ucontrol) | |
180 | { | |
181 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
182 | ||
183 | if (spitz_jack_func == ucontrol->value.integer.value[0]) | |
184 | return 0; | |
185 | ||
186 | spitz_jack_func = ucontrol->value.integer.value[0]; | |
187 | spitz_ext_control(codec); | |
188 | return 1; | |
189 | } | |
190 | ||
191 | static int spitz_get_spk(struct snd_kcontrol *kcontrol, | |
192 | struct snd_ctl_elem_value *ucontrol) | |
193 | { | |
194 | ucontrol->value.integer.value[0] = spitz_spk_func; | |
195 | return 0; | |
196 | } | |
197 | ||
198 | static int spitz_set_spk(struct snd_kcontrol *kcontrol, | |
199 | struct snd_ctl_elem_value *ucontrol) | |
200 | { | |
201 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
202 | ||
203 | if (spitz_spk_func == ucontrol->value.integer.value[0]) | |
204 | return 0; | |
205 | ||
206 | spitz_spk_func = ucontrol->value.integer.value[0]; | |
207 | spitz_ext_control(codec); | |
208 | return 1; | |
209 | } | |
210 | ||
338c7ed0 JN |
211 | static int spitz_mic_bias(struct snd_soc_dapm_widget *w, |
212 | struct snd_kcontrol *k, int event) | |
7fb290d0 | 213 | { |
fff14720 EM |
214 | if (machine_is_borzoi() || machine_is_spitz()) |
215 | gpio_set_value(SPITZ_GPIO_MIC_BIAS, | |
216 | SND_SOC_DAPM_EVENT_ON(event)); | |
7fb290d0 | 217 | |
f72de663 EM |
218 | if (machine_is_akita()) |
219 | gpio_set_value(AKITA_GPIO_MIC_BIAS, | |
220 | SND_SOC_DAPM_EVENT_ON(event)); | |
7fb290d0 | 221 | |
7fb290d0 LG |
222 | return 0; |
223 | } | |
224 | ||
225 | /* spitz machine dapm widgets */ | |
226 | static const struct snd_soc_dapm_widget wm8750_dapm_widgets[] = { | |
227 | SND_SOC_DAPM_HP("Headphone Jack", NULL), | |
228 | SND_SOC_DAPM_MIC("Mic Jack", spitz_mic_bias), | |
229 | SND_SOC_DAPM_SPK("Ext Spk", NULL), | |
230 | SND_SOC_DAPM_LINE("Line Jack", NULL), | |
231 | ||
232 | /* headset is a mic and mono headphone */ | |
233 | SND_SOC_DAPM_HP("Headset Jack", NULL), | |
234 | }; | |
235 | ||
236 | /* Spitz machine audio_map */ | |
25191c45 | 237 | static const struct snd_soc_dapm_route audio_map[] = { |
7fb290d0 LG |
238 | |
239 | /* headphone connected to LOUT1, ROUT1 */ | |
240 | {"Headphone Jack", NULL, "LOUT1"}, | |
241 | {"Headphone Jack", NULL, "ROUT1"}, | |
242 | ||
243 | /* headset connected to ROUT1 and LINPUT1 with bias (def below) */ | |
244 | {"Headset Jack", NULL, "ROUT1"}, | |
245 | ||
246 | /* ext speaker connected to LOUT2, ROUT2 */ | |
247 | {"Ext Spk", NULL , "ROUT2"}, | |
248 | {"Ext Spk", NULL , "LOUT2"}, | |
249 | ||
250 | /* mic is connected to input 1 - with bias */ | |
251 | {"LINPUT1", NULL, "Mic Bias"}, | |
252 | {"Mic Bias", NULL, "Mic Jack"}, | |
253 | ||
254 | /* line is connected to input 1 - no bias */ | |
255 | {"LINPUT1", NULL, "Line Jack"}, | |
7fb290d0 LG |
256 | }; |
257 | ||
258 | static const char *jack_function[] = {"Headphone", "Mic", "Line", "Headset", | |
259 | "Off"}; | |
260 | static const char *spk_function[] = {"On", "Off"}; | |
261 | static const struct soc_enum spitz_enum[] = { | |
262 | SOC_ENUM_SINGLE_EXT(5, jack_function), | |
263 | SOC_ENUM_SINGLE_EXT(2, spk_function), | |
264 | }; | |
265 | ||
266 | static const struct snd_kcontrol_new wm8750_spitz_controls[] = { | |
267 | SOC_ENUM_EXT("Jack Function", spitz_enum[0], spitz_get_jack, | |
268 | spitz_set_jack), | |
269 | SOC_ENUM_EXT("Speaker Function", spitz_enum[1], spitz_get_spk, | |
270 | spitz_set_spk), | |
271 | }; | |
272 | ||
273 | /* | |
274 | * Logic for a wm8750 as connected on a Sharp SL-Cxx00 Device | |
275 | */ | |
f0fba2ad | 276 | static int spitz_wm8750_init(struct snd_soc_pcm_runtime *rtd) |
7fb290d0 | 277 | { |
f0fba2ad | 278 | struct snd_soc_codec *codec = rtd->codec; |
eb5f6d75 | 279 | int err; |
7fb290d0 LG |
280 | |
281 | /* NC codec pins */ | |
35f5e54d MB |
282 | snd_soc_dapm_nc_pin(codec, "RINPUT1"); |
283 | snd_soc_dapm_nc_pin(codec, "LINPUT2"); | |
284 | snd_soc_dapm_nc_pin(codec, "RINPUT2"); | |
285 | snd_soc_dapm_nc_pin(codec, "LINPUT3"); | |
286 | snd_soc_dapm_nc_pin(codec, "RINPUT3"); | |
287 | snd_soc_dapm_nc_pin(codec, "OUT3"); | |
288 | snd_soc_dapm_nc_pin(codec, "MONO1"); | |
7fb290d0 LG |
289 | |
290 | /* Add spitz specific controls */ | |
eb5f6d75 PZ |
291 | err = snd_soc_add_controls(codec, wm8750_spitz_controls, |
292 | ARRAY_SIZE(wm8750_spitz_controls)); | |
293 | if (err < 0) | |
294 | return err; | |
7fb290d0 LG |
295 | |
296 | /* Add spitz specific widgets */ | |
25191c45 MB |
297 | snd_soc_dapm_new_controls(codec, wm8750_dapm_widgets, |
298 | ARRAY_SIZE(wm8750_dapm_widgets)); | |
7fb290d0 | 299 | |
25191c45 MB |
300 | /* Set up spitz specific audio paths */ |
301 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); | |
7fb290d0 | 302 | |
a5302181 | 303 | snd_soc_dapm_sync(codec); |
7fb290d0 LG |
304 | return 0; |
305 | } | |
306 | ||
7fb290d0 LG |
307 | /* spitz digital audio interface glue - connects codec <--> CPU */ |
308 | static struct snd_soc_dai_link spitz_dai = { | |
309 | .name = "wm8750", | |
310 | .stream_name = "WM8750", | |
f0fba2ad LG |
311 | .cpu_dai_name = "pxa-is2", |
312 | .codec_dai_name = "wm8750-hifi", | |
313 | .platform_name = "pxa-pcm-audio", | |
314 | .codec_name = "wm8750-codec.0-001a", | |
7fb290d0 | 315 | .init = spitz_wm8750_init, |
97952f60 | 316 | .ops = &spitz_ops, |
7fb290d0 LG |
317 | }; |
318 | ||
319 | /* spitz audio machine driver */ | |
87506549 | 320 | static struct snd_soc_card snd_soc_spitz = { |
7fb290d0 LG |
321 | .name = "Spitz", |
322 | .dai_link = &spitz_dai, | |
323 | .num_links = 1, | |
7fb290d0 LG |
324 | }; |
325 | ||
7fb290d0 LG |
326 | static struct platform_device *spitz_snd_device; |
327 | ||
328 | static int __init spitz_init(void) | |
329 | { | |
330 | int ret; | |
331 | ||
332 | if (!(machine_is_spitz() || machine_is_borzoi() || machine_is_akita())) | |
333 | return -ENODEV; | |
334 | ||
335 | spitz_snd_device = platform_device_alloc("soc-audio", -1); | |
336 | if (!spitz_snd_device) | |
337 | return -ENOMEM; | |
338 | ||
f0fba2ad | 339 | platform_set_drvdata(spitz_snd_device, &snd_soc_spitz); |
7fb290d0 LG |
340 | ret = platform_device_add(spitz_snd_device); |
341 | ||
342 | if (ret) | |
343 | platform_device_put(spitz_snd_device); | |
344 | ||
345 | return ret; | |
346 | } | |
347 | ||
348 | static void __exit spitz_exit(void) | |
349 | { | |
350 | platform_device_unregister(spitz_snd_device); | |
351 | } | |
352 | ||
353 | module_init(spitz_init); | |
354 | module_exit(spitz_exit); | |
355 | ||
356 | MODULE_AUTHOR("Richard Purdie"); | |
357 | MODULE_DESCRIPTION("ALSA SoC Spitz"); | |
358 | MODULE_LICENSE("GPL"); |