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Commit | Line | Data |
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2e74796a JN |
1 | /* |
2 | * n810.c -- SoC audio for Nokia N810 | |
3 | * | |
4 | * Copyright (C) 2008 Nokia Corporation | |
5 | * | |
7ec41ee5 | 6 | * Contact: Jarkko Nikula <jarkko.nikula@bitmer.com> |
2e74796a JN |
7 | * |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License | |
10 | * version 2 as published by the Free Software Foundation. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, but | |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
20 | * 02110-1301 USA | |
21 | * | |
22 | */ | |
23 | ||
24 | #include <linux/clk.h> | |
aa6b904e | 25 | #include <linux/i2c.h> |
2e74796a JN |
26 | #include <linux/platform_device.h> |
27 | #include <sound/core.h> | |
28 | #include <sound/pcm.h> | |
29 | #include <sound/soc.h> | |
2e74796a JN |
30 | |
31 | #include <asm/mach-types.h> | |
a09e64fb | 32 | #include <mach/hardware.h> |
f99a633a | 33 | #include <linux/gpio.h> |
ce491cf8 | 34 | #include <plat/mcbsp.h> |
2e74796a JN |
35 | |
36 | #include "omap-mcbsp.h" | |
37 | #include "omap-pcm.h" | |
2e74796a | 38 | |
f99a633a JN |
39 | #define N810_HEADSET_AMP_GPIO 10 |
40 | #define N810_SPEAKER_AMP_GPIO 101 | |
2e74796a | 41 | |
f8d5fc92 JN |
42 | enum { |
43 | N810_JACK_DISABLED, | |
44 | N810_JACK_HP, | |
45 | N810_JACK_HS, | |
46 | N810_JACK_MIC, | |
47 | }; | |
48 | ||
2e74796a JN |
49 | static struct clk *sys_clkout2; |
50 | static struct clk *sys_clkout2_src; | |
51 | static struct clk *func96m_clk; | |
52 | ||
53 | static int n810_spk_func; | |
54 | static int n810_jack_func; | |
90b9e476 | 55 | static int n810_dmic_func; |
2e74796a JN |
56 | |
57 | static void n810_ext_control(struct snd_soc_codec *codec) | |
58 | { | |
ce6120cc | 59 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
f8d5fc92 JN |
60 | int hp = 0, line1l = 0; |
61 | ||
62 | switch (n810_jack_func) { | |
63 | case N810_JACK_HS: | |
64 | line1l = 1; | |
65 | case N810_JACK_HP: | |
66 | hp = 1; | |
67 | break; | |
68 | case N810_JACK_MIC: | |
69 | line1l = 1; | |
70 | break; | |
71 | } | |
72 | ||
a5302181 | 73 | if (n810_spk_func) |
ce6120cc | 74 | snd_soc_dapm_enable_pin(dapm, "Ext Spk"); |
a5302181 | 75 | else |
ce6120cc | 76 | snd_soc_dapm_disable_pin(dapm, "Ext Spk"); |
a5302181 | 77 | |
f8d5fc92 | 78 | if (hp) |
ce6120cc | 79 | snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); |
a5302181 | 80 | else |
ce6120cc | 81 | snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); |
f8d5fc92 | 82 | if (line1l) |
ce6120cc | 83 | snd_soc_dapm_enable_pin(dapm, "LINE1L"); |
f8d5fc92 | 84 | else |
ce6120cc | 85 | snd_soc_dapm_disable_pin(dapm, "LINE1L"); |
a5302181 LG |
86 | |
87 | if (n810_dmic_func) | |
ce6120cc | 88 | snd_soc_dapm_enable_pin(dapm, "DMic"); |
a5302181 | 89 | else |
ce6120cc | 90 | snd_soc_dapm_disable_pin(dapm, "DMic"); |
2e74796a | 91 | |
ce6120cc | 92 | snd_soc_dapm_sync(dapm); |
2e74796a JN |
93 | } |
94 | ||
95 | static int n810_startup(struct snd_pcm_substream *substream) | |
96 | { | |
0be43050 | 97 | struct snd_pcm_runtime *runtime = substream->runtime; |
2e74796a | 98 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
f0fba2ad | 99 | struct snd_soc_codec *codec = rtd->codec; |
2e74796a | 100 | |
0be43050 JN |
101 | snd_pcm_hw_constraint_minmax(runtime, |
102 | SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); | |
103 | ||
2e74796a JN |
104 | n810_ext_control(codec); |
105 | return clk_enable(sys_clkout2); | |
106 | } | |
107 | ||
108 | static void n810_shutdown(struct snd_pcm_substream *substream) | |
109 | { | |
110 | clk_disable(sys_clkout2); | |
111 | } | |
112 | ||
113 | static int n810_hw_params(struct snd_pcm_substream *substream, | |
114 | struct snd_pcm_hw_params *params) | |
115 | { | |
116 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad LG |
117 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
118 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
2e74796a JN |
119 | int err; |
120 | ||
121 | /* Set codec DAI configuration */ | |
64105cfd | 122 | err = snd_soc_dai_set_fmt(codec_dai, |
2e74796a JN |
123 | SND_SOC_DAIFMT_I2S | |
124 | SND_SOC_DAIFMT_NB_NF | | |
125 | SND_SOC_DAIFMT_CBM_CFM); | |
126 | if (err < 0) | |
127 | return err; | |
128 | ||
129 | /* Set cpu DAI configuration */ | |
64105cfd | 130 | err = snd_soc_dai_set_fmt(cpu_dai, |
2e74796a JN |
131 | SND_SOC_DAIFMT_I2S | |
132 | SND_SOC_DAIFMT_NB_NF | | |
133 | SND_SOC_DAIFMT_CBM_CFM); | |
134 | if (err < 0) | |
135 | return err; | |
136 | ||
137 | /* Set the codec system clock for DAC and ADC */ | |
64105cfd | 138 | err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000, |
2e74796a JN |
139 | SND_SOC_CLOCK_IN); |
140 | ||
141 | return err; | |
142 | } | |
143 | ||
144 | static struct snd_soc_ops n810_ops = { | |
145 | .startup = n810_startup, | |
146 | .hw_params = n810_hw_params, | |
147 | .shutdown = n810_shutdown, | |
148 | }; | |
149 | ||
150 | static int n810_get_spk(struct snd_kcontrol *kcontrol, | |
151 | struct snd_ctl_elem_value *ucontrol) | |
152 | { | |
153 | ucontrol->value.integer.value[0] = n810_spk_func; | |
154 | ||
155 | return 0; | |
156 | } | |
157 | ||
158 | static int n810_set_spk(struct snd_kcontrol *kcontrol, | |
159 | struct snd_ctl_elem_value *ucontrol) | |
160 | { | |
161 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
162 | ||
163 | if (n810_spk_func == ucontrol->value.integer.value[0]) | |
164 | return 0; | |
165 | ||
166 | n810_spk_func = ucontrol->value.integer.value[0]; | |
167 | n810_ext_control(codec); | |
168 | ||
169 | return 1; | |
170 | } | |
171 | ||
172 | static int n810_get_jack(struct snd_kcontrol *kcontrol, | |
173 | struct snd_ctl_elem_value *ucontrol) | |
174 | { | |
175 | ucontrol->value.integer.value[0] = n810_jack_func; | |
176 | ||
177 | return 0; | |
178 | } | |
179 | ||
180 | static int n810_set_jack(struct snd_kcontrol *kcontrol, | |
181 | struct snd_ctl_elem_value *ucontrol) | |
182 | { | |
183 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
184 | ||
185 | if (n810_jack_func == ucontrol->value.integer.value[0]) | |
186 | return 0; | |
187 | ||
188 | n810_jack_func = ucontrol->value.integer.value[0]; | |
189 | n810_ext_control(codec); | |
190 | ||
191 | return 1; | |
192 | } | |
193 | ||
90b9e476 JN |
194 | static int n810_get_input(struct snd_kcontrol *kcontrol, |
195 | struct snd_ctl_elem_value *ucontrol) | |
196 | { | |
197 | ucontrol->value.integer.value[0] = n810_dmic_func; | |
198 | ||
199 | return 0; | |
200 | } | |
201 | ||
202 | static int n810_set_input(struct snd_kcontrol *kcontrol, | |
203 | struct snd_ctl_elem_value *ucontrol) | |
204 | { | |
205 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
206 | ||
207 | if (n810_dmic_func == ucontrol->value.integer.value[0]) | |
208 | return 0; | |
209 | ||
210 | n810_dmic_func = ucontrol->value.integer.value[0]; | |
211 | n810_ext_control(codec); | |
212 | ||
213 | return 1; | |
214 | } | |
215 | ||
2e74796a JN |
216 | static int n810_spk_event(struct snd_soc_dapm_widget *w, |
217 | struct snd_kcontrol *k, int event) | |
218 | { | |
219 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 220 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 1); |
2e74796a | 221 | else |
f99a633a | 222 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 0); |
2e74796a JN |
223 | |
224 | return 0; | |
225 | } | |
226 | ||
227 | static int n810_jack_event(struct snd_soc_dapm_widget *w, | |
228 | struct snd_kcontrol *k, int event) | |
229 | { | |
230 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 231 | gpio_set_value(N810_HEADSET_AMP_GPIO, 1); |
2e74796a | 232 | else |
f99a633a | 233 | gpio_set_value(N810_HEADSET_AMP_GPIO, 0); |
2e74796a JN |
234 | |
235 | return 0; | |
236 | } | |
237 | ||
238 | static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = { | |
239 | SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event), | |
240 | SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event), | |
90b9e476 | 241 | SND_SOC_DAPM_MIC("DMic", NULL), |
2e74796a JN |
242 | }; |
243 | ||
1a250598 | 244 | static const struct snd_soc_dapm_route audio_map[] = { |
2e74796a JN |
245 | {"Headphone Jack", NULL, "HPLOUT"}, |
246 | {"Headphone Jack", NULL, "HPROUT"}, | |
247 | ||
248 | {"Ext Spk", NULL, "LLOUT"}, | |
249 | {"Ext Spk", NULL, "RLOUT"}, | |
90b9e476 JN |
250 | |
251 | {"DMic Rate 64", NULL, "Mic Bias 2V"}, | |
252 | {"Mic Bias 2V", NULL, "DMic"}, | |
2e74796a JN |
253 | }; |
254 | ||
255 | static const char *spk_function[] = {"Off", "On"}; | |
f8d5fc92 | 256 | static const char *jack_function[] = {"Off", "Headphone", "Headset", "Mic"}; |
90b9e476 | 257 | static const char *input_function[] = {"ADC", "Digital Mic"}; |
2e74796a | 258 | static const struct soc_enum n810_enum[] = { |
3c172791 JN |
259 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), |
260 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function), | |
90b9e476 | 261 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), |
2e74796a JN |
262 | }; |
263 | ||
264 | static const struct snd_kcontrol_new aic33_n810_controls[] = { | |
265 | SOC_ENUM_EXT("Speaker Function", n810_enum[0], | |
266 | n810_get_spk, n810_set_spk), | |
267 | SOC_ENUM_EXT("Jack Function", n810_enum[1], | |
268 | n810_get_jack, n810_set_jack), | |
90b9e476 JN |
269 | SOC_ENUM_EXT("Input Select", n810_enum[2], |
270 | n810_get_input, n810_set_input), | |
2e74796a JN |
271 | }; |
272 | ||
f0fba2ad | 273 | static int n810_aic33_init(struct snd_soc_pcm_runtime *rtd) |
2e74796a | 274 | { |
f0fba2ad | 275 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 276 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
eb5f6d75 | 277 | int err; |
2e74796a JN |
278 | |
279 | /* Not connected */ | |
ce6120cc LG |
280 | snd_soc_dapm_nc_pin(dapm, "MONO_LOUT"); |
281 | snd_soc_dapm_nc_pin(dapm, "HPLCOM"); | |
282 | snd_soc_dapm_nc_pin(dapm, "HPRCOM"); | |
283 | snd_soc_dapm_nc_pin(dapm, "MIC3L"); | |
284 | snd_soc_dapm_nc_pin(dapm, "MIC3R"); | |
285 | snd_soc_dapm_nc_pin(dapm, "LINE1R"); | |
286 | snd_soc_dapm_nc_pin(dapm, "LINE2L"); | |
287 | snd_soc_dapm_nc_pin(dapm, "LINE2R"); | |
2e74796a JN |
288 | |
289 | /* Add N810 specific controls */ | |
eb5f6d75 PZ |
290 | err = snd_soc_add_controls(codec, aic33_n810_controls, |
291 | ARRAY_SIZE(aic33_n810_controls)); | |
292 | if (err < 0) | |
293 | return err; | |
2e74796a JN |
294 | |
295 | /* Add N810 specific widgets */ | |
ce6120cc | 296 | snd_soc_dapm_new_controls(dapm, aic33_dapm_widgets, |
1a250598 | 297 | ARRAY_SIZE(aic33_dapm_widgets)); |
2e74796a JN |
298 | |
299 | /* Set up N810 specific audio path audio_map */ | |
ce6120cc | 300 | snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); |
2e74796a | 301 | |
ce6120cc | 302 | snd_soc_dapm_sync(dapm); |
2e74796a JN |
303 | |
304 | return 0; | |
305 | } | |
306 | ||
307 | /* Digital audio interface glue - connects codec <--> CPU */ | |
308 | static struct snd_soc_dai_link n810_dai = { | |
309 | .name = "TLV320AIC33", | |
310 | .stream_name = "AIC33", | |
f0fba2ad LG |
311 | .cpu_dai_name = "omap-mcbsp-dai.1", |
312 | .platform_name = "omap-pcm-audio", | |
313 | .codec_name = "tlv320aic3x-codec.2-0018", | |
314 | .codec_dai_name = "tlv320aic3x-hifi", | |
2e74796a JN |
315 | .init = n810_aic33_init, |
316 | .ops = &n810_ops, | |
317 | }; | |
318 | ||
319 | /* Audio machine driver */ | |
87506549 | 320 | static struct snd_soc_card snd_soc_n810 = { |
2e74796a JN |
321 | .name = "N810", |
322 | .dai_link = &n810_dai, | |
323 | .num_links = 1, | |
324 | }; | |
325 | ||
2e74796a JN |
326 | static struct platform_device *n810_snd_device; |
327 | ||
328 | static int __init n810_soc_init(void) | |
329 | { | |
330 | int err; | |
331 | struct device *dev; | |
332 | ||
6e132fa6 | 333 | if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax())) |
2e74796a JN |
334 | return -ENODEV; |
335 | ||
336 | n810_snd_device = platform_device_alloc("soc-audio", -1); | |
337 | if (!n810_snd_device) | |
338 | return -ENOMEM; | |
339 | ||
f0fba2ad | 340 | platform_set_drvdata(n810_snd_device, &snd_soc_n810); |
2e74796a JN |
341 | err = platform_device_add(n810_snd_device); |
342 | if (err) | |
343 | goto err1; | |
344 | ||
345 | dev = &n810_snd_device->dev; | |
346 | ||
347 | sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); | |
348 | if (IS_ERR(sys_clkout2_src)) { | |
349 | dev_err(dev, "Could not get sys_clkout2_src clock\n"); | |
e784539f JN |
350 | err = PTR_ERR(sys_clkout2_src); |
351 | goto err2; | |
2e74796a JN |
352 | } |
353 | sys_clkout2 = clk_get(dev, "sys_clkout2"); | |
354 | if (IS_ERR(sys_clkout2)) { | |
355 | dev_err(dev, "Could not get sys_clkout2\n"); | |
e784539f JN |
356 | err = PTR_ERR(sys_clkout2); |
357 | goto err3; | |
2e74796a JN |
358 | } |
359 | /* | |
360 | * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use | |
361 | * 96 MHz as its parent in order to get 12 MHz | |
362 | */ | |
363 | func96m_clk = clk_get(dev, "func_96m_ck"); | |
364 | if (IS_ERR(func96m_clk)) { | |
365 | dev_err(dev, "Could not get func 96M clock\n"); | |
e784539f JN |
366 | err = PTR_ERR(func96m_clk); |
367 | goto err4; | |
2e74796a JN |
368 | } |
369 | clk_set_parent(sys_clkout2_src, func96m_clk); | |
370 | clk_set_rate(sys_clkout2, 12000000); | |
371 | ||
f4c1724f AB |
372 | BUG_ON((gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) || |
373 | (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0)); | |
374 | ||
f99a633a JN |
375 | gpio_direction_output(N810_HEADSET_AMP_GPIO, 0); |
376 | gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0); | |
2e74796a JN |
377 | |
378 | return 0; | |
e784539f | 379 | err4: |
2e74796a | 380 | clk_put(sys_clkout2); |
e784539f JN |
381 | err3: |
382 | clk_put(sys_clkout2_src); | |
383 | err2: | |
2e74796a JN |
384 | platform_device_del(n810_snd_device); |
385 | err1: | |
386 | platform_device_put(n810_snd_device); | |
387 | ||
388 | return err; | |
2e74796a JN |
389 | } |
390 | ||
391 | static void __exit n810_soc_exit(void) | |
392 | { | |
f99a633a JN |
393 | gpio_free(N810_SPEAKER_AMP_GPIO); |
394 | gpio_free(N810_HEADSET_AMP_GPIO); | |
e784539f JN |
395 | clk_put(sys_clkout2_src); |
396 | clk_put(sys_clkout2); | |
397 | clk_put(func96m_clk); | |
f99a633a | 398 | |
2e74796a JN |
399 | platform_device_unregister(n810_snd_device); |
400 | } | |
401 | ||
402 | module_init(n810_soc_init); | |
403 | module_exit(n810_soc_exit); | |
404 | ||
7ec41ee5 | 405 | MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@bitmer.com>"); |
2e74796a JN |
406 | MODULE_DESCRIPTION("ALSA SoC Nokia N810"); |
407 | MODULE_LICENSE("GPL"); |