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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 | * | |
b08f7a62 | 6 | * Contact: Jarkko Nikula <jhnikula@gmail.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> | |
30 | #include <sound/soc-dapm.h> | |
31 | ||
32 | #include <asm/mach-types.h> | |
a09e64fb | 33 | #include <mach/hardware.h> |
f99a633a | 34 | #include <linux/gpio.h> |
ce491cf8 | 35 | #include <plat/mcbsp.h> |
2e74796a JN |
36 | |
37 | #include "omap-mcbsp.h" | |
38 | #include "omap-pcm.h" | |
39 | #include "../codecs/tlv320aic3x.h" | |
40 | ||
f99a633a JN |
41 | #define N810_HEADSET_AMP_GPIO 10 |
42 | #define N810_SPEAKER_AMP_GPIO 101 | |
2e74796a | 43 | |
f8d5fc92 JN |
44 | enum { |
45 | N810_JACK_DISABLED, | |
46 | N810_JACK_HP, | |
47 | N810_JACK_HS, | |
48 | N810_JACK_MIC, | |
49 | }; | |
50 | ||
2e74796a JN |
51 | static struct clk *sys_clkout2; |
52 | static struct clk *sys_clkout2_src; | |
53 | static struct clk *func96m_clk; | |
54 | ||
55 | static int n810_spk_func; | |
56 | static int n810_jack_func; | |
90b9e476 | 57 | static int n810_dmic_func; |
2e74796a JN |
58 | |
59 | static void n810_ext_control(struct snd_soc_codec *codec) | |
60 | { | |
f8d5fc92 JN |
61 | int hp = 0, line1l = 0; |
62 | ||
63 | switch (n810_jack_func) { | |
64 | case N810_JACK_HS: | |
65 | line1l = 1; | |
66 | case N810_JACK_HP: | |
67 | hp = 1; | |
68 | break; | |
69 | case N810_JACK_MIC: | |
70 | line1l = 1; | |
71 | break; | |
72 | } | |
73 | ||
a5302181 LG |
74 | if (n810_spk_func) |
75 | snd_soc_dapm_enable_pin(codec, "Ext Spk"); | |
76 | else | |
77 | snd_soc_dapm_disable_pin(codec, "Ext Spk"); | |
78 | ||
f8d5fc92 | 79 | if (hp) |
a5302181 LG |
80 | snd_soc_dapm_enable_pin(codec, "Headphone Jack"); |
81 | else | |
82 | snd_soc_dapm_disable_pin(codec, "Headphone Jack"); | |
f8d5fc92 JN |
83 | if (line1l) |
84 | snd_soc_dapm_enable_pin(codec, "LINE1L"); | |
85 | else | |
86 | snd_soc_dapm_disable_pin(codec, "LINE1L"); | |
a5302181 LG |
87 | |
88 | if (n810_dmic_func) | |
89 | snd_soc_dapm_enable_pin(codec, "DMic"); | |
90 | else | |
ac8615ba | 91 | snd_soc_dapm_disable_pin(codec, "DMic"); |
2e74796a | 92 | |
a5302181 | 93 | snd_soc_dapm_sync(codec); |
2e74796a JN |
94 | } |
95 | ||
96 | static int n810_startup(struct snd_pcm_substream *substream) | |
97 | { | |
0be43050 | 98 | struct snd_pcm_runtime *runtime = substream->runtime; |
2e74796a | 99 | struct snd_soc_pcm_runtime *rtd = substream->private_data; |
9e30d771 | 100 | struct snd_soc_codec *codec = rtd->socdev->card->codec; |
2e74796a | 101 | |
0be43050 JN |
102 | snd_pcm_hw_constraint_minmax(runtime, |
103 | SNDRV_PCM_HW_PARAM_CHANNELS, 2, 2); | |
104 | ||
2e74796a JN |
105 | n810_ext_control(codec); |
106 | return clk_enable(sys_clkout2); | |
107 | } | |
108 | ||
109 | static void n810_shutdown(struct snd_pcm_substream *substream) | |
110 | { | |
111 | clk_disable(sys_clkout2); | |
112 | } | |
113 | ||
114 | static int n810_hw_params(struct snd_pcm_substream *substream, | |
115 | struct snd_pcm_hw_params *params) | |
116 | { | |
117 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
8687eb8b LG |
118 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
119 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
2e74796a JN |
120 | int err; |
121 | ||
122 | /* Set codec DAI configuration */ | |
64105cfd | 123 | err = snd_soc_dai_set_fmt(codec_dai, |
2e74796a JN |
124 | SND_SOC_DAIFMT_I2S | |
125 | SND_SOC_DAIFMT_NB_NF | | |
126 | SND_SOC_DAIFMT_CBM_CFM); | |
127 | if (err < 0) | |
128 | return err; | |
129 | ||
130 | /* Set cpu DAI configuration */ | |
64105cfd | 131 | err = snd_soc_dai_set_fmt(cpu_dai, |
2e74796a JN |
132 | SND_SOC_DAIFMT_I2S | |
133 | SND_SOC_DAIFMT_NB_NF | | |
134 | SND_SOC_DAIFMT_CBM_CFM); | |
135 | if (err < 0) | |
136 | return err; | |
137 | ||
138 | /* Set the codec system clock for DAC and ADC */ | |
64105cfd | 139 | err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000, |
2e74796a JN |
140 | SND_SOC_CLOCK_IN); |
141 | ||
142 | return err; | |
143 | } | |
144 | ||
145 | static struct snd_soc_ops n810_ops = { | |
146 | .startup = n810_startup, | |
147 | .hw_params = n810_hw_params, | |
148 | .shutdown = n810_shutdown, | |
149 | }; | |
150 | ||
151 | static int n810_get_spk(struct snd_kcontrol *kcontrol, | |
152 | struct snd_ctl_elem_value *ucontrol) | |
153 | { | |
154 | ucontrol->value.integer.value[0] = n810_spk_func; | |
155 | ||
156 | return 0; | |
157 | } | |
158 | ||
159 | static int n810_set_spk(struct snd_kcontrol *kcontrol, | |
160 | struct snd_ctl_elem_value *ucontrol) | |
161 | { | |
162 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
163 | ||
164 | if (n810_spk_func == ucontrol->value.integer.value[0]) | |
165 | return 0; | |
166 | ||
167 | n810_spk_func = ucontrol->value.integer.value[0]; | |
168 | n810_ext_control(codec); | |
169 | ||
170 | return 1; | |
171 | } | |
172 | ||
173 | static int n810_get_jack(struct snd_kcontrol *kcontrol, | |
174 | struct snd_ctl_elem_value *ucontrol) | |
175 | { | |
176 | ucontrol->value.integer.value[0] = n810_jack_func; | |
177 | ||
178 | return 0; | |
179 | } | |
180 | ||
181 | static int n810_set_jack(struct snd_kcontrol *kcontrol, | |
182 | struct snd_ctl_elem_value *ucontrol) | |
183 | { | |
184 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
185 | ||
186 | if (n810_jack_func == ucontrol->value.integer.value[0]) | |
187 | return 0; | |
188 | ||
189 | n810_jack_func = ucontrol->value.integer.value[0]; | |
190 | n810_ext_control(codec); | |
191 | ||
192 | return 1; | |
193 | } | |
194 | ||
90b9e476 JN |
195 | static int n810_get_input(struct snd_kcontrol *kcontrol, |
196 | struct snd_ctl_elem_value *ucontrol) | |
197 | { | |
198 | ucontrol->value.integer.value[0] = n810_dmic_func; | |
199 | ||
200 | return 0; | |
201 | } | |
202 | ||
203 | static int n810_set_input(struct snd_kcontrol *kcontrol, | |
204 | struct snd_ctl_elem_value *ucontrol) | |
205 | { | |
206 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
207 | ||
208 | if (n810_dmic_func == ucontrol->value.integer.value[0]) | |
209 | return 0; | |
210 | ||
211 | n810_dmic_func = ucontrol->value.integer.value[0]; | |
212 | n810_ext_control(codec); | |
213 | ||
214 | return 1; | |
215 | } | |
216 | ||
2e74796a JN |
217 | static int n810_spk_event(struct snd_soc_dapm_widget *w, |
218 | struct snd_kcontrol *k, int event) | |
219 | { | |
220 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 221 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 1); |
2e74796a | 222 | else |
f99a633a | 223 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 0); |
2e74796a JN |
224 | |
225 | return 0; | |
226 | } | |
227 | ||
228 | static int n810_jack_event(struct snd_soc_dapm_widget *w, | |
229 | struct snd_kcontrol *k, int event) | |
230 | { | |
231 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 232 | gpio_set_value(N810_HEADSET_AMP_GPIO, 1); |
2e74796a | 233 | else |
f99a633a | 234 | gpio_set_value(N810_HEADSET_AMP_GPIO, 0); |
2e74796a JN |
235 | |
236 | return 0; | |
237 | } | |
238 | ||
239 | static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = { | |
240 | SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event), | |
241 | SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event), | |
90b9e476 | 242 | SND_SOC_DAPM_MIC("DMic", NULL), |
2e74796a JN |
243 | }; |
244 | ||
1a250598 | 245 | static const struct snd_soc_dapm_route audio_map[] = { |
2e74796a JN |
246 | {"Headphone Jack", NULL, "HPLOUT"}, |
247 | {"Headphone Jack", NULL, "HPROUT"}, | |
248 | ||
249 | {"Ext Spk", NULL, "LLOUT"}, | |
250 | {"Ext Spk", NULL, "RLOUT"}, | |
90b9e476 JN |
251 | |
252 | {"DMic Rate 64", NULL, "Mic Bias 2V"}, | |
253 | {"Mic Bias 2V", NULL, "DMic"}, | |
2e74796a JN |
254 | }; |
255 | ||
256 | static const char *spk_function[] = {"Off", "On"}; | |
f8d5fc92 | 257 | static const char *jack_function[] = {"Off", "Headphone", "Headset", "Mic"}; |
90b9e476 | 258 | static const char *input_function[] = {"ADC", "Digital Mic"}; |
2e74796a | 259 | static const struct soc_enum n810_enum[] = { |
3c172791 JN |
260 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), |
261 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function), | |
90b9e476 | 262 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), |
2e74796a JN |
263 | }; |
264 | ||
265 | static const struct snd_kcontrol_new aic33_n810_controls[] = { | |
266 | SOC_ENUM_EXT("Speaker Function", n810_enum[0], | |
267 | n810_get_spk, n810_set_spk), | |
268 | SOC_ENUM_EXT("Jack Function", n810_enum[1], | |
269 | n810_get_jack, n810_set_jack), | |
90b9e476 JN |
270 | SOC_ENUM_EXT("Input Select", n810_enum[2], |
271 | n810_get_input, n810_set_input), | |
2e74796a JN |
272 | }; |
273 | ||
274 | static int n810_aic33_init(struct snd_soc_codec *codec) | |
275 | { | |
eb5f6d75 | 276 | int err; |
2e74796a JN |
277 | |
278 | /* Not connected */ | |
869fbb36 MB |
279 | snd_soc_dapm_nc_pin(codec, "MONO_LOUT"); |
280 | snd_soc_dapm_nc_pin(codec, "HPLCOM"); | |
281 | snd_soc_dapm_nc_pin(codec, "HPRCOM"); | |
13b9d2ab JN |
282 | snd_soc_dapm_nc_pin(codec, "MIC3L"); |
283 | snd_soc_dapm_nc_pin(codec, "MIC3R"); | |
284 | snd_soc_dapm_nc_pin(codec, "LINE1R"); | |
285 | snd_soc_dapm_nc_pin(codec, "LINE2L"); | |
286 | snd_soc_dapm_nc_pin(codec, "LINE2R"); | |
2e74796a JN |
287 | |
288 | /* Add N810 specific controls */ | |
eb5f6d75 PZ |
289 | err = snd_soc_add_controls(codec, aic33_n810_controls, |
290 | ARRAY_SIZE(aic33_n810_controls)); | |
291 | if (err < 0) | |
292 | return err; | |
2e74796a JN |
293 | |
294 | /* Add N810 specific widgets */ | |
1a250598 MB |
295 | snd_soc_dapm_new_controls(codec, aic33_dapm_widgets, |
296 | ARRAY_SIZE(aic33_dapm_widgets)); | |
2e74796a JN |
297 | |
298 | /* Set up N810 specific audio path audio_map */ | |
1a250598 | 299 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); |
2e74796a | 300 | |
a5302181 | 301 | snd_soc_dapm_sync(codec); |
2e74796a JN |
302 | |
303 | return 0; | |
304 | } | |
305 | ||
306 | /* Digital audio interface glue - connects codec <--> CPU */ | |
307 | static struct snd_soc_dai_link n810_dai = { | |
308 | .name = "TLV320AIC33", | |
309 | .stream_name = "AIC33", | |
310 | .cpu_dai = &omap_mcbsp_dai[0], | |
311 | .codec_dai = &aic3x_dai, | |
312 | .init = n810_aic33_init, | |
313 | .ops = &n810_ops, | |
314 | }; | |
315 | ||
316 | /* Audio machine driver */ | |
87506549 | 317 | static struct snd_soc_card snd_soc_n810 = { |
2e74796a | 318 | .name = "N810", |
87689d56 | 319 | .platform = &omap_soc_platform, |
2e74796a JN |
320 | .dai_link = &n810_dai, |
321 | .num_links = 1, | |
322 | }; | |
323 | ||
324 | /* Audio private data */ | |
325 | static struct aic3x_setup_data n810_aic33_setup = { | |
90b9e476 JN |
326 | .gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED, |
327 | .gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT, | |
2e74796a JN |
328 | }; |
329 | ||
330 | /* Audio subsystem */ | |
331 | static struct snd_soc_device n810_snd_devdata = { | |
87506549 | 332 | .card = &snd_soc_n810, |
2e74796a JN |
333 | .codec_dev = &soc_codec_dev_aic3x, |
334 | .codec_data = &n810_aic33_setup, | |
335 | }; | |
336 | ||
337 | static struct platform_device *n810_snd_device; | |
338 | ||
aa6b904e BD |
339 | /* temporary i2c device creation until this can be moved into the machine |
340 | * support file. | |
341 | */ | |
342 | static struct i2c_board_info i2c_device[] = { | |
343 | { I2C_BOARD_INFO("tlv320aic3x", 0x1b), } | |
344 | }; | |
345 | ||
2e74796a JN |
346 | static int __init n810_soc_init(void) |
347 | { | |
348 | int err; | |
349 | struct device *dev; | |
350 | ||
6e132fa6 | 351 | if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax())) |
2e74796a JN |
352 | return -ENODEV; |
353 | ||
aa6b904e BD |
354 | i2c_register_board_info(1, i2c_device, ARRAY_SIZE(i2c_device)); |
355 | ||
2e74796a JN |
356 | n810_snd_device = platform_device_alloc("soc-audio", -1); |
357 | if (!n810_snd_device) | |
358 | return -ENOMEM; | |
359 | ||
360 | platform_set_drvdata(n810_snd_device, &n810_snd_devdata); | |
361 | n810_snd_devdata.dev = &n810_snd_device->dev; | |
362 | *(unsigned int *)n810_dai.cpu_dai->private_data = 1; /* McBSP2 */ | |
363 | err = platform_device_add(n810_snd_device); | |
364 | if (err) | |
365 | goto err1; | |
366 | ||
367 | dev = &n810_snd_device->dev; | |
368 | ||
369 | sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); | |
370 | if (IS_ERR(sys_clkout2_src)) { | |
371 | dev_err(dev, "Could not get sys_clkout2_src clock\n"); | |
e784539f JN |
372 | err = PTR_ERR(sys_clkout2_src); |
373 | goto err2; | |
2e74796a JN |
374 | } |
375 | sys_clkout2 = clk_get(dev, "sys_clkout2"); | |
376 | if (IS_ERR(sys_clkout2)) { | |
377 | dev_err(dev, "Could not get sys_clkout2\n"); | |
e784539f JN |
378 | err = PTR_ERR(sys_clkout2); |
379 | goto err3; | |
2e74796a JN |
380 | } |
381 | /* | |
382 | * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use | |
383 | * 96 MHz as its parent in order to get 12 MHz | |
384 | */ | |
385 | func96m_clk = clk_get(dev, "func_96m_ck"); | |
386 | if (IS_ERR(func96m_clk)) { | |
387 | dev_err(dev, "Could not get func 96M clock\n"); | |
e784539f JN |
388 | err = PTR_ERR(func96m_clk); |
389 | goto err4; | |
2e74796a JN |
390 | } |
391 | clk_set_parent(sys_clkout2_src, func96m_clk); | |
392 | clk_set_rate(sys_clkout2, 12000000); | |
393 | ||
f4c1724f AB |
394 | BUG_ON((gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) || |
395 | (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0)); | |
396 | ||
f99a633a JN |
397 | gpio_direction_output(N810_HEADSET_AMP_GPIO, 0); |
398 | gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0); | |
2e74796a JN |
399 | |
400 | return 0; | |
e784539f | 401 | err4: |
2e74796a | 402 | clk_put(sys_clkout2); |
e784539f JN |
403 | err3: |
404 | clk_put(sys_clkout2_src); | |
405 | err2: | |
2e74796a JN |
406 | platform_device_del(n810_snd_device); |
407 | err1: | |
408 | platform_device_put(n810_snd_device); | |
409 | ||
410 | return err; | |
2e74796a JN |
411 | } |
412 | ||
413 | static void __exit n810_soc_exit(void) | |
414 | { | |
f99a633a JN |
415 | gpio_free(N810_SPEAKER_AMP_GPIO); |
416 | gpio_free(N810_HEADSET_AMP_GPIO); | |
e784539f JN |
417 | clk_put(sys_clkout2_src); |
418 | clk_put(sys_clkout2); | |
419 | clk_put(func96m_clk); | |
f99a633a | 420 | |
2e74796a JN |
421 | platform_device_unregister(n810_snd_device); |
422 | } | |
423 | ||
424 | module_init(n810_soc_init); | |
425 | module_exit(n810_soc_exit); | |
426 | ||
b08f7a62 | 427 | MODULE_AUTHOR("Jarkko Nikula <jhnikula@gmail.com>"); |
2e74796a JN |
428 | MODULE_DESCRIPTION("ALSA SoC Nokia N810"); |
429 | MODULE_LICENSE("GPL"); |