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 | { | |
73 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
74 | struct snd_soc_codec *codec = rtd->socdev->codec; | |
75 | ||
76 | n810_ext_control(codec); | |
77 | return clk_enable(sys_clkout2); | |
78 | } | |
79 | ||
80 | static void n810_shutdown(struct snd_pcm_substream *substream) | |
81 | { | |
82 | clk_disable(sys_clkout2); | |
83 | } | |
84 | ||
85 | static int n810_hw_params(struct snd_pcm_substream *substream, | |
86 | struct snd_pcm_hw_params *params) | |
87 | { | |
88 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
8687eb8b LG |
89 | struct snd_soc_dai *codec_dai = rtd->dai->codec_dai; |
90 | struct snd_soc_dai *cpu_dai = rtd->dai->cpu_dai; | |
2e74796a JN |
91 | int err; |
92 | ||
93 | /* Set codec DAI configuration */ | |
64105cfd | 94 | err = snd_soc_dai_set_fmt(codec_dai, |
2e74796a JN |
95 | SND_SOC_DAIFMT_I2S | |
96 | SND_SOC_DAIFMT_NB_NF | | |
97 | SND_SOC_DAIFMT_CBM_CFM); | |
98 | if (err < 0) | |
99 | return err; | |
100 | ||
101 | /* Set cpu DAI configuration */ | |
64105cfd | 102 | err = snd_soc_dai_set_fmt(cpu_dai, |
2e74796a JN |
103 | SND_SOC_DAIFMT_I2S | |
104 | SND_SOC_DAIFMT_NB_NF | | |
105 | SND_SOC_DAIFMT_CBM_CFM); | |
106 | if (err < 0) | |
107 | return err; | |
108 | ||
109 | /* Set the codec system clock for DAC and ADC */ | |
64105cfd | 110 | err = snd_soc_dai_set_sysclk(codec_dai, 0, 12000000, |
2e74796a JN |
111 | SND_SOC_CLOCK_IN); |
112 | ||
113 | return err; | |
114 | } | |
115 | ||
116 | static struct snd_soc_ops n810_ops = { | |
117 | .startup = n810_startup, | |
118 | .hw_params = n810_hw_params, | |
119 | .shutdown = n810_shutdown, | |
120 | }; | |
121 | ||
122 | static int n810_get_spk(struct snd_kcontrol *kcontrol, | |
123 | struct snd_ctl_elem_value *ucontrol) | |
124 | { | |
125 | ucontrol->value.integer.value[0] = n810_spk_func; | |
126 | ||
127 | return 0; | |
128 | } | |
129 | ||
130 | static int n810_set_spk(struct snd_kcontrol *kcontrol, | |
131 | struct snd_ctl_elem_value *ucontrol) | |
132 | { | |
133 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
134 | ||
135 | if (n810_spk_func == ucontrol->value.integer.value[0]) | |
136 | return 0; | |
137 | ||
138 | n810_spk_func = ucontrol->value.integer.value[0]; | |
139 | n810_ext_control(codec); | |
140 | ||
141 | return 1; | |
142 | } | |
143 | ||
144 | static int n810_get_jack(struct snd_kcontrol *kcontrol, | |
145 | struct snd_ctl_elem_value *ucontrol) | |
146 | { | |
147 | ucontrol->value.integer.value[0] = n810_jack_func; | |
148 | ||
149 | return 0; | |
150 | } | |
151 | ||
152 | static int n810_set_jack(struct snd_kcontrol *kcontrol, | |
153 | struct snd_ctl_elem_value *ucontrol) | |
154 | { | |
155 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
156 | ||
157 | if (n810_jack_func == ucontrol->value.integer.value[0]) | |
158 | return 0; | |
159 | ||
160 | n810_jack_func = ucontrol->value.integer.value[0]; | |
161 | n810_ext_control(codec); | |
162 | ||
163 | return 1; | |
164 | } | |
165 | ||
90b9e476 JN |
166 | static int n810_get_input(struct snd_kcontrol *kcontrol, |
167 | struct snd_ctl_elem_value *ucontrol) | |
168 | { | |
169 | ucontrol->value.integer.value[0] = n810_dmic_func; | |
170 | ||
171 | return 0; | |
172 | } | |
173 | ||
174 | static int n810_set_input(struct snd_kcontrol *kcontrol, | |
175 | struct snd_ctl_elem_value *ucontrol) | |
176 | { | |
177 | struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); | |
178 | ||
179 | if (n810_dmic_func == ucontrol->value.integer.value[0]) | |
180 | return 0; | |
181 | ||
182 | n810_dmic_func = ucontrol->value.integer.value[0]; | |
183 | n810_ext_control(codec); | |
184 | ||
185 | return 1; | |
186 | } | |
187 | ||
2e74796a JN |
188 | static int n810_spk_event(struct snd_soc_dapm_widget *w, |
189 | struct snd_kcontrol *k, int event) | |
190 | { | |
191 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 192 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 1); |
2e74796a | 193 | else |
f99a633a | 194 | gpio_set_value(N810_SPEAKER_AMP_GPIO, 0); |
2e74796a JN |
195 | |
196 | return 0; | |
197 | } | |
198 | ||
199 | static int n810_jack_event(struct snd_soc_dapm_widget *w, | |
200 | struct snd_kcontrol *k, int event) | |
201 | { | |
202 | if (SND_SOC_DAPM_EVENT_ON(event)) | |
f99a633a | 203 | gpio_set_value(N810_HEADSET_AMP_GPIO, 1); |
2e74796a | 204 | else |
f99a633a | 205 | gpio_set_value(N810_HEADSET_AMP_GPIO, 0); |
2e74796a JN |
206 | |
207 | return 0; | |
208 | } | |
209 | ||
210 | static const struct snd_soc_dapm_widget aic33_dapm_widgets[] = { | |
211 | SND_SOC_DAPM_SPK("Ext Spk", n810_spk_event), | |
212 | SND_SOC_DAPM_HP("Headphone Jack", n810_jack_event), | |
90b9e476 | 213 | SND_SOC_DAPM_MIC("DMic", NULL), |
2e74796a JN |
214 | }; |
215 | ||
1a250598 | 216 | static const struct snd_soc_dapm_route audio_map[] = { |
2e74796a JN |
217 | {"Headphone Jack", NULL, "HPLOUT"}, |
218 | {"Headphone Jack", NULL, "HPROUT"}, | |
219 | ||
220 | {"Ext Spk", NULL, "LLOUT"}, | |
221 | {"Ext Spk", NULL, "RLOUT"}, | |
90b9e476 JN |
222 | |
223 | {"DMic Rate 64", NULL, "Mic Bias 2V"}, | |
224 | {"Mic Bias 2V", NULL, "DMic"}, | |
2e74796a JN |
225 | }; |
226 | ||
227 | static const char *spk_function[] = {"Off", "On"}; | |
228 | static const char *jack_function[] = {"Off", "Headphone"}; | |
90b9e476 | 229 | static const char *input_function[] = {"ADC", "Digital Mic"}; |
2e74796a | 230 | static const struct soc_enum n810_enum[] = { |
3c172791 JN |
231 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(spk_function), spk_function), |
232 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(jack_function), jack_function), | |
90b9e476 | 233 | SOC_ENUM_SINGLE_EXT(ARRAY_SIZE(input_function), input_function), |
2e74796a JN |
234 | }; |
235 | ||
236 | static const struct snd_kcontrol_new aic33_n810_controls[] = { | |
237 | SOC_ENUM_EXT("Speaker Function", n810_enum[0], | |
238 | n810_get_spk, n810_set_spk), | |
239 | SOC_ENUM_EXT("Jack Function", n810_enum[1], | |
240 | n810_get_jack, n810_set_jack), | |
90b9e476 JN |
241 | SOC_ENUM_EXT("Input Select", n810_enum[2], |
242 | n810_get_input, n810_set_input), | |
2e74796a JN |
243 | }; |
244 | ||
245 | static int n810_aic33_init(struct snd_soc_codec *codec) | |
246 | { | |
247 | int i, err; | |
248 | ||
249 | /* Not connected */ | |
869fbb36 MB |
250 | snd_soc_dapm_nc_pin(codec, "MONO_LOUT"); |
251 | snd_soc_dapm_nc_pin(codec, "HPLCOM"); | |
252 | snd_soc_dapm_nc_pin(codec, "HPRCOM"); | |
2e74796a JN |
253 | |
254 | /* Add N810 specific controls */ | |
255 | for (i = 0; i < ARRAY_SIZE(aic33_n810_controls); i++) { | |
256 | err = snd_ctl_add(codec->card, | |
257 | snd_soc_cnew(&aic33_n810_controls[i], codec, NULL)); | |
258 | if (err < 0) | |
259 | return err; | |
260 | } | |
261 | ||
262 | /* Add N810 specific widgets */ | |
1a250598 MB |
263 | snd_soc_dapm_new_controls(codec, aic33_dapm_widgets, |
264 | ARRAY_SIZE(aic33_dapm_widgets)); | |
2e74796a JN |
265 | |
266 | /* Set up N810 specific audio path audio_map */ | |
1a250598 | 267 | snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map)); |
2e74796a | 268 | |
a5302181 | 269 | snd_soc_dapm_sync(codec); |
2e74796a JN |
270 | |
271 | return 0; | |
272 | } | |
273 | ||
274 | /* Digital audio interface glue - connects codec <--> CPU */ | |
275 | static struct snd_soc_dai_link n810_dai = { | |
276 | .name = "TLV320AIC33", | |
277 | .stream_name = "AIC33", | |
278 | .cpu_dai = &omap_mcbsp_dai[0], | |
279 | .codec_dai = &aic3x_dai, | |
280 | .init = n810_aic33_init, | |
281 | .ops = &n810_ops, | |
282 | }; | |
283 | ||
284 | /* Audio machine driver */ | |
87506549 | 285 | static struct snd_soc_card snd_soc_n810 = { |
2e74796a JN |
286 | .name = "N810", |
287 | .dai_link = &n810_dai, | |
288 | .num_links = 1, | |
289 | }; | |
290 | ||
291 | /* Audio private data */ | |
292 | static struct aic3x_setup_data n810_aic33_setup = { | |
ba8ed121 | 293 | .i2c_bus = 2, |
2e74796a | 294 | .i2c_address = 0x18, |
90b9e476 JN |
295 | .gpio_func[0] = AIC3X_GPIO1_FUNC_DISABLED, |
296 | .gpio_func[1] = AIC3X_GPIO2_FUNC_DIGITAL_MIC_INPUT, | |
2e74796a JN |
297 | }; |
298 | ||
299 | /* Audio subsystem */ | |
300 | static struct snd_soc_device n810_snd_devdata = { | |
87506549 | 301 | .card = &snd_soc_n810, |
2e74796a JN |
302 | .platform = &omap_soc_platform, |
303 | .codec_dev = &soc_codec_dev_aic3x, | |
304 | .codec_data = &n810_aic33_setup, | |
305 | }; | |
306 | ||
307 | static struct platform_device *n810_snd_device; | |
308 | ||
309 | static int __init n810_soc_init(void) | |
310 | { | |
311 | int err; | |
312 | struct device *dev; | |
313 | ||
6e132fa6 | 314 | if (!(machine_is_nokia_n810() || machine_is_nokia_n810_wimax())) |
2e74796a JN |
315 | return -ENODEV; |
316 | ||
317 | n810_snd_device = platform_device_alloc("soc-audio", -1); | |
318 | if (!n810_snd_device) | |
319 | return -ENOMEM; | |
320 | ||
321 | platform_set_drvdata(n810_snd_device, &n810_snd_devdata); | |
322 | n810_snd_devdata.dev = &n810_snd_device->dev; | |
323 | *(unsigned int *)n810_dai.cpu_dai->private_data = 1; /* McBSP2 */ | |
324 | err = platform_device_add(n810_snd_device); | |
325 | if (err) | |
326 | goto err1; | |
327 | ||
328 | dev = &n810_snd_device->dev; | |
329 | ||
330 | sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); | |
331 | if (IS_ERR(sys_clkout2_src)) { | |
332 | dev_err(dev, "Could not get sys_clkout2_src clock\n"); | |
e784539f JN |
333 | err = PTR_ERR(sys_clkout2_src); |
334 | goto err2; | |
2e74796a JN |
335 | } |
336 | sys_clkout2 = clk_get(dev, "sys_clkout2"); | |
337 | if (IS_ERR(sys_clkout2)) { | |
338 | dev_err(dev, "Could not get sys_clkout2\n"); | |
e784539f JN |
339 | err = PTR_ERR(sys_clkout2); |
340 | goto err3; | |
2e74796a JN |
341 | } |
342 | /* | |
343 | * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use | |
344 | * 96 MHz as its parent in order to get 12 MHz | |
345 | */ | |
346 | func96m_clk = clk_get(dev, "func_96m_ck"); | |
347 | if (IS_ERR(func96m_clk)) { | |
348 | dev_err(dev, "Could not get func 96M clock\n"); | |
e784539f JN |
349 | err = PTR_ERR(func96m_clk); |
350 | goto err4; | |
2e74796a JN |
351 | } |
352 | clk_set_parent(sys_clkout2_src, func96m_clk); | |
353 | clk_set_rate(sys_clkout2, 12000000); | |
354 | ||
f99a633a | 355 | if (gpio_request(N810_HEADSET_AMP_GPIO, "hs_amp") < 0) |
2e74796a | 356 | BUG(); |
f99a633a | 357 | if (gpio_request(N810_SPEAKER_AMP_GPIO, "spk_amp") < 0) |
2e74796a | 358 | BUG(); |
f99a633a JN |
359 | gpio_direction_output(N810_HEADSET_AMP_GPIO, 0); |
360 | gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0); | |
2e74796a JN |
361 | |
362 | return 0; | |
e784539f | 363 | err4: |
2e74796a | 364 | clk_put(sys_clkout2); |
e784539f JN |
365 | err3: |
366 | clk_put(sys_clkout2_src); | |
367 | err2: | |
2e74796a JN |
368 | platform_device_del(n810_snd_device); |
369 | err1: | |
370 | platform_device_put(n810_snd_device); | |
371 | ||
372 | return err; | |
2e74796a JN |
373 | } |
374 | ||
375 | static void __exit n810_soc_exit(void) | |
376 | { | |
f99a633a JN |
377 | gpio_free(N810_SPEAKER_AMP_GPIO); |
378 | gpio_free(N810_HEADSET_AMP_GPIO); | |
e784539f JN |
379 | clk_put(sys_clkout2_src); |
380 | clk_put(sys_clkout2); | |
381 | clk_put(func96m_clk); | |
f99a633a | 382 | |
2e74796a JN |
383 | platform_device_unregister(n810_snd_device); |
384 | } | |
385 | ||
386 | module_init(n810_soc_init); | |
387 | module_exit(n810_soc_exit); | |
388 | ||
389 | MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@nokia.com>"); | |
390 | MODULE_DESCRIPTION("ALSA SoC Nokia N810"); | |
391 | MODULE_LICENSE("GPL"); |