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 JN |
42 | |
43 | static struct clk *sys_clkout2; | |
44 | static struct clk *sys_clkout2_src; | |
45 | static struct clk *func96m_clk; | |
46 | ||
47 | static int n810_spk_func; | |
48 | static int n810_jack_func; | |
90b9e476 | 49 | static int n810_dmic_func; |
2e74796a JN |
50 | |
51 | static void n810_ext_control(struct snd_soc_codec *codec) | |
52 | { | |
a5302181 LG |
53 | if (n810_spk_func) |
54 | snd_soc_dapm_enable_pin(codec, "Ext Spk"); | |
55 | else | |
56 | snd_soc_dapm_disable_pin(codec, "Ext Spk"); | |
57 | ||
58 | if (n810_jack_func) | |
59 | snd_soc_dapm_enable_pin(codec, "Headphone Jack"); | |
60 | else | |
61 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); | |
62 | ||
63 | if (n810_dmic_func) | |
64 | snd_soc_dapm_enable_pin(codec, "DMic"); | |
65 | else | |
ac8615ba | 66 | snd_soc_dapm_disable_pin(codec, "DMic"); |
2e74796a | 67 | |
a5302181 | 68 | snd_soc_dapm_sync(codec); |
2e74796a JN |
69 | } |
70 | ||
71 | static int n810_startup(struct snd_pcm_substream *substream) | |
72 | { | |
0be43050 | 73 | struct snd_pcm_runtime *runtime = substream->runtime; |
2e74796a JN |
74 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
75 | struct snd_soc_codec *codec = rtd->socdev->codec; | |
76 | ||
0be43050 JN |
77 | snd_pcm_hw_constraint_minmax(runtime, |
78 | SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); | |
79 | ||
2e74796a JN |
80 | n810_ext_control(codec); |
81 | return clk_enable(sys_clkout2); | |
82 | } | |
83 | ||
84 | static void n810_shutdown(struct snd_pcm_substream *substream) | |
85 | { | |
86 | clk_disable(sys_clkout2); | |
87 | } | |
88 | ||
89 | static int n810_hw_params(struct snd_pcm_substream *substream, | |
90 | struct snd_pcm_hw_params *params) | |
91 | { | |
92 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
8687eb8b LG |
93 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
94 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
2e74796a JN |
95 | int err; |
96 | ||
97 | /* Set codec DAI configuration */ | |
64105cfd | 98 | err = snd_soc_dai_set_fmt(codec_dai, |
2e74796a JN |
99 | SND_SOC_DAIFMT_I2S | |
100 | SND_SOC_DAIFMT_NB_NF | | |
101 | SND_SOC_DAIFMT_CBM_CFM); | |
102 | if (err < 0) | |
103 | return err; | |
104 | ||
105 | /* Set cpu DAI configuration */ | |
64105cfd | 106 | err = snd_soc_dai_set_fmt(cpu_dai, |
2e74796a JN |
107 | SND_SOC_DAIFMT_I2S | |
108 | SND_SOC_DAIFMT_NB_NF | | |
109 | SND_SOC_DAIFMT_CBM_CFM); | |
110 | if (err < 0) | |
111 | return err; | |
112 | ||
113 | /* Set the codec system clock for DAC and ADC */ | |
64105cfd | 114 | err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000, |
2e74796a JN |
115 | SND_SOC_CLOCK_IN); |
116 | ||
117 | return err; | |
118 | } | |
119 | ||
120 | static struct snd_soc_ops n810_ops = { | |
121 | .startup = n810_startup, | |
122 | .hw_params = n810_hw_params, | |
123 | .shutdown = n810_shutdown, | |
124 | }; | |
125 | ||
126 | static int n810_get_spk(struct snd_kcontrol *kcontrol, | |
127 | struct snd_ctl_elem_value *ucontrol) | |
128 | { | |
129 | ucontrol->value.integer.value[0] = n810_spk_func; | |
130 | ||
131 | return 0; | |
132 | } | |
133 | ||
134 | static int n810_set_spk(struct snd_kcontrol *kcontrol, | |
135 | struct snd_ctl_elem_value *ucontrol) | |
136 | { | |
137 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
138 | ||
139 | if (n810_spk_func == ucontrol->value.integer.value[0]) | |
140 | return 0; | |
141 | ||
142 | n810_spk_func = ucontrol->value.integer.value[0]; | |
143 | n810_ext_control(codec); | |
144 | ||
145 | return 1; | |
146 | } | |
147 | ||
148 | static int n810_get_jack(struct snd_kcontrol *kcontrol, | |
149 | struct snd_ctl_elem_value *ucontrol) | |
150 | { | |
151 | ucontrol->value.integer.value[0] = n810_jack_func; | |
152 | ||
153 | return 0; | |
154 | } | |
155 | ||
156 | static int n810_set_jack(struct snd_kcontrol *kcontrol, | |
157 | struct snd_ctl_elem_value *ucontrol) | |
158 | { | |
159 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
160 | ||
161 | if (n810_jack_func == ucontrol->value.integer.value[0]) | |
162 | return 0; | |
163 | ||
164 | n810_jack_func = ucontrol->value.integer.value[0]; | |
165 | n810_ext_control(codec); | |
166 | ||
167 | return 1; | |
168 | } | |
169 | ||
90b9e476 JN |
170 | static int n810_get_input(struct snd_kcontrol *kcontrol, |
171 | struct snd_ctl_elem_value *ucontrol) | |
172 | { | |
173 | ucontrol->value.integer.value[0] = n810_dmic_func; | |
174 | ||
175 | return 0; | |
176 | } | |
177 | ||
178 | static int n810_set_input(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 (n810_dmic_func == ucontrol->value.integer.value[0]) | |
184 | return 0; | |
185 | ||
186 | n810_dmic_func = ucontrol->value.integer.value[0]; | |
187 | n810_ext_control(codec); | |
188 | ||
189 | return 1; | |
190 | } | |
191 | ||
2e74796a JN |
192 | static int n810_spk_event(struct snd_soc_dapm_widget *w, |
193 | struct snd_kcontrol *k, int event) | |
194 | { | |
195 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 196 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 1); |
2e74796a | 197 | else |
f99a633a | 198 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 0); |
2e74796a JN |
199 | |
200 | return 0; | |
201 | } | |
202 | ||
203 | static int n810_jack_event(struct snd_soc_dapm_widget *w, | |
204 | struct snd_kcontrol *k, int event) | |
205 | { | |
206 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 207 | gpio_set_value(N810_HEADSET_AMP_GPIO, 1); |
2e74796a | 208 | else |
f99a633a | 209 | gpio_set_value(N810_HEADSET_AMP_GPIO, 0); |
2e74796a JN |
210 | |
211 | return 0; | |
212 | } | |
213 | ||
214 | static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = { | |
215 | SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event), | |
216 | SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event), | |
90b9e476 | 217 | SND_SOC_DAPM_MIC("DMic", NULL), |
2e74796a JN |
218 | }; |
219 | ||
1a250598 | 220 | static const struct snd_soc_dapm_route audio_map[] = { |
2e74796a JN |
221 | {"Headphone Jack", NULL, "HPLOUT"}, |
222 | {"Headphone Jack", NULL, "HPROUT"}, | |
223 | ||
224 | {"Ext Spk", NULL, "LLOUT"}, | |
225 | {"Ext Spk", NULL, "RLOUT"}, | |
90b9e476 JN |
226 | |
227 | {"DMic Rate 64", NULL, "Mic Bias 2V"}, | |
228 | {"Mic Bias 2V", NULL, "DMic"}, | |
2e74796a JN |
229 | }; |
230 | ||
231 | static const char *spk_function[] = {"Off", "On"}; | |
232 | static const char *jack_function[] = {"Off", "Headphone"}; | |
90b9e476 | 233 | static const char *input_function[] = {"ADC", "Digital Mic"}; |
2e74796a | 234 | static const struct soc_enum n810_enum[] = { |
3c172791 JN |
235 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), |
236 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function), | |
90b9e476 | 237 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), |
2e74796a JN |
238 | }; |
239 | ||
240 | static const struct snd_kcontrol_new aic33_n810_controls[] = { | |
241 | SOC_ENUM_EXT("Speaker Function", n810_enum[0], | |
242 | n810_get_spk, n810_set_spk), | |
243 | SOC_ENUM_EXT("Jack Function", n810_enum[1], | |
244 | n810_get_jack, n810_set_jack), | |
90b9e476 JN |
245 | SOC_ENUM_EXT("Input Select", n810_enum[2], |
246 | n810_get_input, n810_set_input), | |
2e74796a JN |
247 | }; |
248 | ||
249 | static int n810_aic33_init(struct snd_soc_codec *codec) | |
250 | { | |
251 | int i, err; | |
252 | ||
253 | /* Not connected */ | |
869fbb36 MB |
254 | snd_soc_dapm_nc_pin(codec, "MONO_LOUT"); |
255 | snd_soc_dapm_nc_pin(codec, "HPLCOM"); | |
256 | snd_soc_dapm_nc_pin(codec, "HPRCOM"); | |
2e74796a JN |
257 | |
258 | /* Add N810 specific controls */ | |
259 | for (i = 0; i < ARRAY_SIZE(aic33_n810_controls); i++) { | |
260 | err = snd_ctl_add(codec->card, | |
261 | snd_soc_cnew(&aic33_n810_controls[i], codec, NULL)); | |
262 | if (err < 0) | |
263 | return err; | |
264 | } | |
265 | ||
266 | /* Add N810 specific widgets */ | |
1a250598 MB |
267 | snd_soc_dapm_new_controls(codec, aic33_dapm_widgets, |
268 | ARRAY_SIZE(aic33_dapm_widgets)); | |
2e74796a JN |
269 | |
270 | /* Set up N810 specific audio path audio_map */ | |
1a250598 | 271 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); |
2e74796a | 272 | |
a5302181 | 273 | snd_soc_dapm_sync(codec); |
2e74796a JN |
274 | |
275 | return 0; | |
276 | } | |
277 | ||
278 | /* Digital audio interface glue - connects codec <--> CPU */ | |
279 | static struct snd_soc_dai_link n810_dai = { | |
280 | .name = "TLV320AIC33", | |
281 | .stream_name = "AIC33", | |
282 | .cpu_dai = &omap_mcbsp_dai[0], | |
283 | .codec_dai = &aic3x_dai, | |
284 | .init = n810_aic33_init, | |
285 | .ops = &n810_ops, | |
286 | }; | |
287 | ||
288 | /* Audio machine driver */ | |
87506549 | 289 | static struct snd_soc_card snd_soc_n810 = { |
2e74796a | 290 | .name = "N810", |
87689d56 | 291 | .platform = &omap_soc_platform, |
2e74796a JN |
292 | .dai_link = &n810_dai, |
293 | .num_links = 1, | |
294 | }; | |
295 | ||
296 | /* Audio private data */ | |
297 | static struct aic3x_setup_data n810_aic33_setup = { | |
ba8ed121 | 298 | .i2c_bus = 2, |
2e74796a | 299 | .i2c_address = 0x18, |
90b9e476 JN |
300 | .gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED, |
301 | .gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT, | |
2e74796a JN |
302 | }; |
303 | ||
304 | /* Audio subsystem */ | |
305 | static struct snd_soc_device n810_snd_devdata = { | |
87506549 | 306 | .card = &snd_soc_n810, |
2e74796a JN |
307 | .codec_dev = &soc_codec_dev_aic3x, |
308 | .codec_data = &n810_aic33_setup, | |
309 | }; | |
310 | ||
311 | static struct platform_device *n810_snd_device; | |
312 | ||
313 | static int __init n810_soc_init(void) | |
314 | { | |
315 | int err; | |
316 | struct device *dev; | |
317 | ||
6e132fa6 | 318 | if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax())) |
2e74796a JN |
319 | return -ENODEV; |
320 | ||
321 | n810_snd_device = platform_device_alloc("soc-audio", -1); | |
322 | if (!n810_snd_device) | |
323 | return -ENOMEM; | |
324 | ||
325 | platform_set_drvdata(n810_snd_device, &n810_snd_devdata); | |
326 | n810_snd_devdata.dev = &n810_snd_device->dev; | |
327 | *(unsigned int *)n810_dai.cpu_dai->private_data = 1; /* McBSP2 */ | |
328 | err = platform_device_add(n810_snd_device); | |
329 | if (err) | |
330 | goto err1; | |
331 | ||
332 | dev = &n810_snd_device->dev; | |
333 | ||
334 | sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); | |
335 | if (IS_ERR(sys_clkout2_src)) { | |
336 | dev_err(dev, "Could not get sys_clkout2_src clock\n"); | |
e784539f JN |
337 | err = PTR_ERR(sys_clkout2_src); |
338 | goto err2; | |
2e74796a JN |
339 | } |
340 | sys_clkout2 = clk_get(dev, "sys_clkout2"); | |
341 | if (IS_ERR(sys_clkout2)) { | |
342 | dev_err(dev, "Could not get sys_clkout2\n"); | |
e784539f JN |
343 | err = PTR_ERR(sys_clkout2); |
344 | goto err3; | |
2e74796a JN |
345 | } |
346 | /* | |
347 | * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use | |
348 | * 96 MHz as its parent in order to get 12 MHz | |
349 | */ | |
350 | func96m_clk = clk_get(dev, "func_96m_ck"); | |
351 | if (IS_ERR(func96m_clk)) { | |
352 | dev_err(dev, "Could not get func 96M clock\n"); | |
e784539f JN |
353 | err = PTR_ERR(func96m_clk); |
354 | goto err4; | |
2e74796a JN |
355 | } |
356 | clk_set_parent(sys_clkout2_src, func96m_clk); | |
357 | clk_set_rate(sys_clkout2, 12000000); | |
358 | ||
f99a633a | 359 | if (gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) |
2e74796a | 360 | BUG(); |
f99a633a | 361 | if (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0) |
2e74796a | 362 | BUG(); |
f99a633a JN |
363 | gpio_direction_output(N810_HEADSET_AMP_GPIO, 0); |
364 | gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0); | |
2e74796a JN |
365 | |
366 | return 0; | |
e784539f | 367 | err4: |
2e74796a | 368 | clk_put(sys_clkout2); |
e784539f JN |
369 | err3: |
370 | clk_put(sys_clkout2_src); | |
371 | err2: | |
2e74796a JN |
372 | platform_device_del(n810_snd_device); |
373 | err1: | |
374 | platform_device_put(n810_snd_device); | |
375 | ||
376 | return err; | |
2e74796a JN |
377 | } |
378 | ||
379 | static void __exit n810_soc_exit(void) | |
380 | { | |
f99a633a JN |
381 | gpio_free(N810_SPEAKER_AMP_GPIO); |
382 | gpio_free(N810_HEADSET_AMP_GPIO); | |
e784539f JN |
383 | clk_put(sys_clkout2_src); |
384 | clk_put(sys_clkout2); | |
385 | clk_put(func96m_clk); | |
f99a633a | 386 | |
2e74796a JN |
387 | platform_device_unregister(n810_snd_device); |
388 | } | |
389 | ||
390 | module_init(n810_soc_init); | |
391 | module_exit(n810_soc_exit); | |
392 | ||
393 | MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>"); | |
394 | MODULE_DESCRIPTION("ALSA SoC Nokia N810"); | |
395 | MODULE_LICENSE("GPL"); |