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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> | |
f99a633a | 32 | #include <linux/gpio.h> |
da155d5b | 33 | #include <linux/module.h> |
2203747c | 34 | #include <linux/platform_data/asoc-ti-mcbsp.h> |
2e74796a JN |
35 | |
36 | #include "omap-mcbsp.h" | |
2e74796a | 37 | |
f99a633a JN |
38 | #define N810_HEADSET_AMP_GPIO 10 |
39 | #define N810_SPEAKER_AMP_GPIO 101 | |
2e74796a | 40 | |
f8d5fc92 JN |
41 | enum { |
42 | N810_JACK_DISABLED, | |
43 | N810_JACK_HP, | |
44 | N810_JACK_HS, | |
45 | N810_JACK_MIC, | |
46 | }; | |
47 | ||
2e74796a JN |
48 | static struct clk *sys_clkout2; |
49 | static struct clk *sys_clkout2_src; | |
50 | static struct clk *func96m_clk; | |
51 | ||
52 | static int n810_spk_func; | |
53 | static int n810_jack_func; | |
90b9e476 | 54 | static int n810_dmic_func; |
2e74796a | 55 | |
022658be | 56 | static void n810_ext_control(struct snd_soc_dapm_context *dapm) |
2e74796a | 57 | { |
f8d5fc92 JN |
58 | int hp = 0, line1l = 0; |
59 | ||
60 | switch (n810_jack_func) { | |
61 | case N810_JACK_HS: | |
62 | line1l = 1; | |
63 | case N810_JACK_HP: | |
64 | hp = 1; | |
65 | break; | |
66 | case N810_JACK_MIC: | |
67 | line1l = 1; | |
68 | break; | |
69 | } | |
70 | ||
a5302181 | 71 | if (n810_spk_func) |
ce6120cc | 72 | snd_soc_dapm_enable_pin(dapm, "Ext Spk"); |
a5302181 | 73 | else |
ce6120cc | 74 | snd_soc_dapm_disable_pin(dapm, "Ext Spk"); |
a5302181 | 75 | |
f8d5fc92 | 76 | if (hp) |
ce6120cc | 77 | snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); |
a5302181 | 78 | else |
ce6120cc | 79 | snd_soc_dapm_disable_pin(dapm, "Headphone Jack"); |
f8d5fc92 | 80 | if (line1l) |
ce6120cc | 81 | snd_soc_dapm_enable_pin(dapm, "LINE1L"); |
f8d5fc92 | 82 | else |
ce6120cc | 83 | snd_soc_dapm_disable_pin(dapm, "LINE1L"); |
a5302181 LG |
84 | |
85 | if (n810_dmic_func) | |
ce6120cc | 86 | snd_soc_dapm_enable_pin(dapm, "DMic"); |
a5302181 | 87 | else |
ce6120cc | 88 | snd_soc_dapm_disable_pin(dapm, "DMic"); |
2e74796a | 89 | |
ce6120cc | 90 | snd_soc_dapm_sync(dapm); |
2e74796a JN |
91 | } |
92 | ||
93 | static int n810_startup(struct snd_pcm_substream *substream) | |
94 | { | |
0be43050 | 95 | struct snd_pcm_runtime *runtime = substream->runtime; |
2e74796a | 96 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
f0fba2ad | 97 | struct snd_soc_codec *codec = rtd->codec; |
2e74796a | 98 | |
0be43050 JN |
99 | snd_pcm_hw_constraint_minmax(runtime, |
100 | SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); | |
101 | ||
022658be | 102 | n810_ext_control(&codec->dapm); |
fb28a75a | 103 | return clk_prepare_enable(sys_clkout2); |
2e74796a JN |
104 | } |
105 | ||
106 | static void n810_shutdown(struct snd_pcm_substream *substream) | |
107 | { | |
fb28a75a | 108 | clk_disable_unprepare(sys_clkout2); |
2e74796a JN |
109 | } |
110 | ||
111 | static int n810_hw_params(struct snd_pcm_substream *substream, | |
112 | struct snd_pcm_hw_params *params) | |
113 | { | |
114 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
f0fba2ad | 115 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
2e74796a JN |
116 | int err; |
117 | ||
2e74796a | 118 | /* Set the codec system clock for DAC and ADC */ |
64105cfd | 119 | err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000, |
2e74796a JN |
120 | SND_SOC_CLOCK_IN); |
121 | ||
122 | return err; | |
123 | } | |
124 | ||
125 | static struct snd_soc_ops n810_ops = { | |
126 | .startup = n810_startup, | |
127 | .hw_params = n810_hw_params, | |
128 | .shutdown = n810_shutdown, | |
129 | }; | |
130 | ||
131 | static int n810_get_spk(struct snd_kcontrol *kcontrol, | |
132 | struct snd_ctl_elem_value *ucontrol) | |
133 | { | |
134 | ucontrol->value.integer.value[0] = n810_spk_func; | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
139 | static int n810_set_spk(struct snd_kcontrol *kcontrol, | |
140 | struct snd_ctl_elem_value *ucontrol) | |
141 | { | |
022658be | 142 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
2e74796a JN |
143 | |
144 | if (n810_spk_func == ucontrol->value.integer.value[0]) | |
145 | return 0; | |
146 | ||
147 | n810_spk_func = ucontrol->value.integer.value[0]; | |
022658be | 148 | n810_ext_control(&card->dapm); |
2e74796a JN |
149 | |
150 | return 1; | |
151 | } | |
152 | ||
153 | static int n810_get_jack(struct snd_kcontrol *kcontrol, | |
154 | struct snd_ctl_elem_value *ucontrol) | |
155 | { | |
156 | ucontrol->value.integer.value[0] = n810_jack_func; | |
157 | ||
158 | return 0; | |
159 | } | |
160 | ||
161 | static int n810_set_jack(struct snd_kcontrol *kcontrol, | |
162 | struct snd_ctl_elem_value *ucontrol) | |
163 | { | |
022658be | 164 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
2e74796a JN |
165 | |
166 | if (n810_jack_func == ucontrol->value.integer.value[0]) | |
167 | return 0; | |
168 | ||
169 | n810_jack_func = ucontrol->value.integer.value[0]; | |
022658be | 170 | n810_ext_control(&card->dapm); |
2e74796a JN |
171 | |
172 | return 1; | |
173 | } | |
174 | ||
90b9e476 JN |
175 | static int n810_get_input(struct snd_kcontrol *kcontrol, |
176 | struct snd_ctl_elem_value *ucontrol) | |
177 | { | |
178 | ucontrol->value.integer.value[0] = n810_dmic_func; | |
179 | ||
180 | return 0; | |
181 | } | |
182 | ||
183 | static int n810_set_input(struct snd_kcontrol *kcontrol, | |
184 | struct snd_ctl_elem_value *ucontrol) | |
185 | { | |
022658be | 186 | struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); |
90b9e476 JN |
187 | |
188 | if (n810_dmic_func == ucontrol->value.integer.value[0]) | |
189 | return 0; | |
190 | ||
191 | n810_dmic_func = ucontrol->value.integer.value[0]; | |
625136eb | 192 | n810_ext_control(&card->dapm); |
90b9e476 JN |
193 | |
194 | return 1; | |
195 | } | |
196 | ||
2e74796a JN |
197 | static int n810_spk_event(struct snd_soc_dapm_widget *w, |
198 | struct snd_kcontrol *k, int event) | |
199 | { | |
200 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 201 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 1); |
2e74796a | 202 | else |
f99a633a | 203 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 0); |
2e74796a JN |
204 | |
205 | return 0; | |
206 | } | |
207 | ||
208 | static int n810_jack_event(struct snd_soc_dapm_widget *w, | |
209 | struct snd_kcontrol *k, int event) | |
210 | { | |
211 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 212 | gpio_set_value(N810_HEADSET_AMP_GPIO, 1); |
2e74796a | 213 | else |
f99a633a | 214 | gpio_set_value(N810_HEADSET_AMP_GPIO, 0); |
2e74796a JN |
215 | |
216 | return 0; | |
217 | } | |
218 | ||
219 | static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = { | |
220 | SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event), | |
221 | SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event), | |
90b9e476 | 222 | SND_SOC_DAPM_MIC("DMic", NULL), |
2e74796a JN |
223 | }; |
224 | ||
1a250598 | 225 | static const struct snd_soc_dapm_route audio_map[] = { |
2e74796a JN |
226 | {"Headphone Jack", NULL, "HPLOUT"}, |
227 | {"Headphone Jack", NULL, "HPROUT"}, | |
228 | ||
229 | {"Ext Spk", NULL, "LLOUT"}, | |
230 | {"Ext Spk", NULL, "RLOUT"}, | |
90b9e476 | 231 | |
e2e8bfdf HG |
232 | {"DMic Rate 64", NULL, "Mic Bias"}, |
233 | {"Mic Bias", NULL, "DMic"}, | |
2e74796a JN |
234 | }; |
235 | ||
236 | static const char *spk_function[] = {"Off", "On"}; | |
f8d5fc92 | 237 | static const char *jack_function[] = {"Off", "Headphone", "Headset", "Mic"}; |
90b9e476 | 238 | static const char *input_function[] = {"ADC", "Digital Mic"}; |
2e74796a | 239 | static const struct soc_enum n810_enum[] = { |
3c172791 JN |
240 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), |
241 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function), | |
90b9e476 | 242 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), |
2e74796a JN |
243 | }; |
244 | ||
245 | static const struct snd_kcontrol_new aic33_n810_controls[] = { | |
246 | SOC_ENUM_EXT("Speaker Function", n810_enum[0], | |
247 | n810_get_spk, n810_set_spk), | |
248 | SOC_ENUM_EXT("Jack Function", n810_enum[1], | |
249 | n810_get_jack, n810_set_jack), | |
90b9e476 JN |
250 | SOC_ENUM_EXT("Input Select", n810_enum[2], |
251 | n810_get_input, n810_set_input), | |
2e74796a JN |
252 | }; |
253 | ||
f0fba2ad | 254 | static int n810_aic33_init(struct snd_soc_pcm_runtime *rtd) |
2e74796a | 255 | { |
f0fba2ad | 256 | struct snd_soc_codec *codec = rtd->codec; |
ce6120cc | 257 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
2e74796a JN |
258 | |
259 | /* Not connected */ | |
ce6120cc LG |
260 | snd_soc_dapm_nc_pin(dapm, "MONO_LOUT"); |
261 | snd_soc_dapm_nc_pin(dapm, "HPLCOM"); | |
262 | snd_soc_dapm_nc_pin(dapm, "HPRCOM"); | |
263 | snd_soc_dapm_nc_pin(dapm, "MIC3L"); | |
264 | snd_soc_dapm_nc_pin(dapm, "MIC3R"); | |
265 | snd_soc_dapm_nc_pin(dapm, "LINE1R"); | |
266 | snd_soc_dapm_nc_pin(dapm, "LINE2L"); | |
267 | snd_soc_dapm_nc_pin(dapm, "LINE2R"); | |
2e74796a | 268 | |
8966c2dd | 269 | return 0; |
2e74796a JN |
270 | } |
271 | ||
272 | /* Digital audio interface glue - connects codec <--> CPU */ | |
273 | static struct snd_soc_dai_link n810_dai = { | |
274 | .name = "TLV320AIC33", | |
275 | .stream_name = "AIC33", | |
45656b44 | 276 | .cpu_dai_name = "omap-mcbsp.2", |
f0fba2ad LG |
277 | .platform_name = "omap-pcm-audio", |
278 | .codec_name = "tlv320aic3x-codec.2-0018", | |
279 | .codec_dai_name = "tlv320aic3x-hifi", | |
cf9feff2 JN |
280 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
281 | SND_SOC_DAIFMT_CBM_CFM, | |
2e74796a JN |
282 | .init = n810_aic33_init, |
283 | .ops = &n810_ops, | |
284 | }; | |
285 | ||
286 | /* Audio machine driver */ | |
87506549 | 287 | static struct snd_soc_card snd_soc_n810 = { |
2e74796a | 288 | .name = "N810", |
b425b884 | 289 | .owner = THIS_MODULE, |
2e74796a JN |
290 | .dai_link = &n810_dai, |
291 | .num_links = 1, | |
8966c2dd PU |
292 | |
293 | .controls = aic33_n810_controls, | |
294 | .num_controls = ARRAY_SIZE(aic33_n810_controls), | |
295 | .dapm_widgets = aic33_dapm_widgets, | |
296 | .num_dapm_widgets = ARRAY_SIZE(aic33_dapm_widgets), | |
297 | .dapm_routes = audio_map, | |
298 | .num_dapm_routes = ARRAY_SIZE(audio_map), | |
2e74796a JN |
299 | }; |
300 | ||
2e74796a JN |
301 | static struct platform_device *n810_snd_device; |
302 | ||
303 | static int __init n810_soc_init(void) | |
304 | { | |
305 | int err; | |
306 | struct device *dev; | |
307 | ||
6e132fa6 | 308 | if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax())) |
2e74796a JN |
309 | return -ENODEV; |
310 | ||
311 | n810_snd_device = platform_device_alloc("soc-audio", -1); | |
312 | if (!n810_snd_device) | |
313 | return -ENOMEM; | |
314 | ||
f0fba2ad | 315 | platform_set_drvdata(n810_snd_device, &snd_soc_n810); |
2e74796a JN |
316 | err = platform_device_add(n810_snd_device); |
317 | if (err) | |
318 | goto err1; | |
319 | ||
320 | dev = &n810_snd_device->dev; | |
321 | ||
322 | sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); | |
323 | if (IS_ERR(sys_clkout2_src)) { | |
324 | dev_err(dev, "Could not get sys_clkout2_src clock\n"); | |
e784539f JN |
325 | err = PTR_ERR(sys_clkout2_src); |
326 | goto err2; | |
2e74796a JN |
327 | } |
328 | sys_clkout2 = clk_get(dev, "sys_clkout2"); | |
329 | if (IS_ERR(sys_clkout2)) { | |
330 | dev_err(dev, "Could not get sys_clkout2\n"); | |
e784539f JN |
331 | err = PTR_ERR(sys_clkout2); |
332 | goto err3; | |
2e74796a JN |
333 | } |
334 | /* | |
335 | * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use | |
336 | * 96 MHz as its parent in order to get 12 MHz | |
337 | */ | |
338 | func96m_clk = clk_get(dev, "func_96m_ck"); | |
339 | if (IS_ERR(func96m_clk)) { | |
340 | dev_err(dev, "Could not get func 96M clock\n"); | |
e784539f JN |
341 | err = PTR_ERR(func96m_clk); |
342 | goto err4; | |
2e74796a JN |
343 | } |
344 | clk_set_parent(sys_clkout2_src, func96m_clk); | |
345 | clk_set_rate(sys_clkout2, 12000000); | |
346 | ||
96b61bc5 TI |
347 | if (WARN_ON((gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) || |
348 | (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0))) { | |
349 | err = -EINVAL; | |
350 | goto err4; | |
351 | } | |
f4c1724f | 352 | |
f99a633a JN |
353 | gpio_direction_output(N810_HEADSET_AMP_GPIO, 0); |
354 | gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0); | |
2e74796a JN |
355 | |
356 | return 0; | |
e784539f | 357 | err4: |
2e74796a | 358 | clk_put(sys_clkout2); |
e784539f JN |
359 | err3: |
360 | clk_put(sys_clkout2_src); | |
361 | err2: | |
2e74796a JN |
362 | platform_device_del(n810_snd_device); |
363 | err1: | |
364 | platform_device_put(n810_snd_device); | |
365 | ||
366 | return err; | |
2e74796a JN |
367 | } |
368 | ||
369 | static void __exit n810_soc_exit(void) | |
370 | { | |
f99a633a JN |
371 | gpio_free(N810_SPEAKER_AMP_GPIO); |
372 | gpio_free(N810_HEADSET_AMP_GPIO); | |
e784539f JN |
373 | clk_put(sys_clkout2_src); |
374 | clk_put(sys_clkout2); | |
375 | clk_put(func96m_clk); | |
f99a633a | 376 | |
2e74796a JN |
377 | platform_device_unregister(n810_snd_device); |
378 | } | |
379 | ||
380 | module_init(n810_soc_init); | |
381 | module_exit(n810_soc_exit); | |
382 | ||
7ec41ee5 | 383 | MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@bitmer.com>"); |
2e74796a JN |
384 | MODULE_DESCRIPTION("ALSA SoC Nokia N810"); |
385 | MODULE_LICENSE("GPL"); |