Commit | Line | Data |
---|---|---|
2e74796a JN |
1 | /* |
2 | * n810.c -- SoC audio for Nokia N810 | |
3 | * | |
4 | * Copyright (C) 2008 Nokia Corporation | |
5 | * | |
6 | * Contact: Jarkko Nikula <jarkko.nikula@nokia.com> | |
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> | |
25 | #include <linux/platform_device.h> | |
26 | #include <sound/core.h> | |
27 | #include <sound/pcm.h> | |
28 | #include <sound/soc.h> | |
29 | #include <sound/soc-dapm.h> | |
30 | ||
31 | #include <asm/mach-types.h> | |
a09e64fb | 32 | #include <mach/hardware.h> |
f99a633a | 33 | #include <linux/gpio.h> |
a09e64fb | 34 | #include <mach/mcbsp.h> |
2e74796a JN |
35 | |
36 | #include "omap-mcbsp.h" | |
37 | #include "omap-pcm.h" | |
38 | #include "../codecs/tlv320aic3x.h" | |
39 | ||
f99a633a JN |
40 | #define N810_HEADSET_AMP_GPIO 10 |
41 | #define N810_SPEAKER_AMP_GPIO 101 | |
2e74796a | 42 | |
f8d5fc92 JN |
43 | enum { |
44 | N810_JACK_DISABLED, | |
45 | N810_JACK_HP, | |
46 | N810_JACK_HS, | |
47 | N810_JACK_MIC, | |
48 | }; | |
49 | ||
2e74796a JN |
50 | static struct clk *sys_clkout2; |
51 | static struct clk *sys_clkout2_src; | |
52 | static struct clk *func96m_clk; | |
53 | ||
54 | static int n810_spk_func; | |
55 | static int n810_jack_func; | |
90b9e476 | 56 | static int n810_dmic_func; |
2e74796a JN |
57 | |
58 | static void n810_ext_control(struct snd_soc_codec *codec) | |
59 | { | |
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 LG |
73 | if (n810_spk_func) |
74 | snd_soc_dapm_enable_pin(codec, "Ext Spk"); | |
75 | else | |
76 | snd_soc_dapm_disable_pin(codec, "Ext Spk"); | |
77 | ||
f8d5fc92 | 78 | if (hp) |
a5302181 LG |
79 | snd_soc_dapm_enable_pin(codec, "Headphone Jack"); |
80 | else | |
81 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); | |
f8d5fc92 JN |
82 | if (line1l) |
83 | snd_soc_dapm_enable_pin(codec, "LINE1L"); | |
84 | else | |
85 | snd_soc_dapm_disable_pin(codec, "LINE1L"); | |
a5302181 LG |
86 | |
87 | if (n810_dmic_func) | |
88 | snd_soc_dapm_enable_pin(codec, "DMic"); | |
89 | else | |
ac8615ba | 90 | snd_soc_dapm_disable_pin(codec, "DMic"); |
2e74796a | 91 | |
a5302181 | 92 | snd_soc_dapm_sync(codec); |
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; |
9e30d771 | 99 | struct snd_soc_codec *codec = rtd->socdev->card->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; | |
8687eb8b LG |
117 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
118 | struct snd_soc_dai *cpu_dai = rtd->dai->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 | ||
273 | static int n810_aic33_init(struct snd_soc_codec *codec) | |
274 | { | |
eb5f6d75 | 275 | int err; |
2e74796a JN |
276 | |
277 | /* Not connected */ | |
869fbb36 MB |
278 | snd_soc_dapm_nc_pin(codec, "MONO_LOUT"); |
279 | snd_soc_dapm_nc_pin(codec, "HPLCOM"); | |
280 | snd_soc_dapm_nc_pin(codec, "HPRCOM"); | |
13b9d2ab JN |
281 | snd_soc_dapm_nc_pin(codec, "MIC3L"); |
282 | snd_soc_dapm_nc_pin(codec, "MIC3R"); | |
283 | snd_soc_dapm_nc_pin(codec, "LINE1R"); | |
284 | snd_soc_dapm_nc_pin(codec, "LINE2L"); | |
285 | snd_soc_dapm_nc_pin(codec, "LINE2R"); | |
2e74796a JN |
286 | |
287 | /* Add N810 specific controls */ | |
eb5f6d75 PZ |
288 | err = snd_soc_add_controls(codec, aic33_n810_controls, |
289 | ARRAY_SIZE(aic33_n810_controls)); | |
290 | if (err < 0) | |
291 | return err; | |
2e74796a JN |
292 | |
293 | /* Add N810 specific widgets */ | |
1a250598 MB |
294 | snd_soc_dapm_new_controls(codec, aic33_dapm_widgets, |
295 | ARRAY_SIZE(aic33_dapm_widgets)); | |
2e74796a JN |
296 | |
297 | /* Set up N810 specific audio path audio_map */ | |
1a250598 | 298 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); |
2e74796a | 299 | |
a5302181 | 300 | snd_soc_dapm_sync(codec); |
2e74796a JN |
301 | |
302 | return 0; | |
303 | } | |
304 | ||
305 | /* Digital audio interface glue - connects codec <--> CPU */ | |
306 | static struct snd_soc_dai_link n810_dai = { | |
307 | .name = "TLV320AIC33", | |
308 | .stream_name = "AIC33", | |
309 | .cpu_dai = &omap_mcbsp_dai[0], | |
310 | .codec_dai = &aic3x_dai, | |
311 | .init = n810_aic33_init, | |
312 | .ops = &n810_ops, | |
313 | }; | |
314 | ||
315 | /* Audio machine driver */ | |
87506549 | 316 | static struct snd_soc_card snd_soc_n810 = { |
2e74796a | 317 | .name = "N810", |
87689d56 | 318 | .platform = &omap_soc_platform, |
2e74796a JN |
319 | .dai_link = &n810_dai, |
320 | .num_links = 1, | |
321 | }; | |
322 | ||
323 | /* Audio private data */ | |
324 | static struct aic3x_setup_data n810_aic33_setup = { | |
ba8ed121 | 325 | .i2c_bus = 2, |
2e74796a | 326 | .i2c_address = 0x18, |
90b9e476 JN |
327 | .gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED, |
328 | .gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT, | |
2e74796a JN |
329 | }; |
330 | ||
331 | /* Audio subsystem */ | |
332 | static struct snd_soc_device n810_snd_devdata = { | |
87506549 | 333 | .card = &snd_soc_n810, |
2e74796a JN |
334 | .codec_dev = &soc_codec_dev_aic3x, |
335 | .codec_data = &n810_aic33_setup, | |
336 | }; | |
337 | ||
338 | static struct platform_device *n810_snd_device; | |
339 | ||
340 | static int __init n810_soc_init(void) | |
341 | { | |
342 | int err; | |
343 | struct device *dev; | |
344 | ||
6e132fa6 | 345 | if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax())) |
2e74796a JN |
346 | return -ENODEV; |
347 | ||
348 | n810_snd_device = platform_device_alloc("soc-audio", -1); | |
349 | if (!n810_snd_device) | |
350 | return -ENOMEM; | |
351 | ||
352 | platform_set_drvdata(n810_snd_device, &n810_snd_devdata); | |
353 | n810_snd_devdata.dev = &n810_snd_device->dev; | |
354 | *(unsigned int *)n810_dai.cpu_dai->private_data = 1; /* McBSP2 */ | |
355 | err = platform_device_add(n810_snd_device); | |
356 | if (err) | |
357 | goto err1; | |
358 | ||
359 | dev = &n810_snd_device->dev; | |
360 | ||
361 | sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); | |
362 | if (IS_ERR(sys_clkout2_src)) { | |
363 | dev_err(dev, "Could not get sys_clkout2_src clock\n"); | |
e784539f JN |
364 | err = PTR_ERR(sys_clkout2_src); |
365 | goto err2; | |
2e74796a JN |
366 | } |
367 | sys_clkout2 = clk_get(dev, "sys_clkout2"); | |
368 | if (IS_ERR(sys_clkout2)) { | |
369 | dev_err(dev, "Could not get sys_clkout2\n"); | |
e784539f JN |
370 | err = PTR_ERR(sys_clkout2); |
371 | goto err3; | |
2e74796a JN |
372 | } |
373 | /* | |
374 | * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use | |
375 | * 96 MHz as its parent in order to get 12 MHz | |
376 | */ | |
377 | func96m_clk = clk_get(dev, "func_96m_ck"); | |
378 | if (IS_ERR(func96m_clk)) { | |
379 | dev_err(dev, "Could not get func 96M clock\n"); | |
e784539f JN |
380 | err = PTR_ERR(func96m_clk); |
381 | goto err4; | |
2e74796a JN |
382 | } |
383 | clk_set_parent(sys_clkout2_src, func96m_clk); | |
384 | clk_set_rate(sys_clkout2, 12000000); | |
385 | ||
f99a633a | 386 | if (gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) |
2e74796a | 387 | BUG(); |
f99a633a | 388 | if (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0) |
2e74796a | 389 | BUG(); |
f99a633a JN |
390 | gpio_direction_output(N810_HEADSET_AMP_GPIO, 0); |
391 | gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0); | |
2e74796a JN |
392 | |
393 | return 0; | |
e784539f | 394 | err4: |
2e74796a | 395 | clk_put(sys_clkout2); |
e784539f JN |
396 | err3: |
397 | clk_put(sys_clkout2_src); | |
398 | err2: | |
2e74796a JN |
399 | platform_device_del(n810_snd_device); |
400 | err1: | |
401 | platform_device_put(n810_snd_device); | |
402 | ||
403 | return err; | |
2e74796a JN |
404 | } |
405 | ||
406 | static void __exit n810_soc_exit(void) | |
407 | { | |
f99a633a JN |
408 | gpio_free(N810_SPEAKER_AMP_GPIO); |
409 | gpio_free(N810_HEADSET_AMP_GPIO); | |
e784539f JN |
410 | clk_put(sys_clkout2_src); |
411 | clk_put(sys_clkout2); | |
412 | clk_put(func96m_clk); | |
f99a633a | 413 | |
2e74796a JN |
414 | platform_device_unregister(n810_snd_device); |
415 | } | |
416 | ||
417 | module_init(n810_soc_init); | |
418 | module_exit(n810_soc_exit); | |
419 | ||
420 | MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>"); | |
421 | MODULE_DESCRIPTION("ALSA SoC Nokia N810"); | |
422 | MODULE_LICENSE("GPL"); |