Commit | Line | Data |
---|---|---|
a8bf1ba1 | 1 | /* |
dc0a50af | 2 | * tegra_wm8903.c - Tegra machine ASoC driver for boards using WM8903 codec. |
a8bf1ba1 SW |
3 | * |
4 | * Author: Stephen Warren <swarren@nvidia.com> | |
518de86b | 5 | * Copyright (C) 2010-2012 - NVIDIA, Inc. |
a8bf1ba1 SW |
6 | * |
7 | * Based on code copyright/by: | |
8 | * | |
9 | * (c) 2009, 2010 Nvidia Graphics Pvt. Ltd. | |
10 | * | |
11 | * Copyright 2007 Wolfson Microelectronics PLC. | |
12 | * Author: Graeme Gregory | |
13 | * graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com | |
14 | * | |
15 | * This program is free software; you can redistribute it and/or | |
16 | * modify it under the terms of the GNU General Public License | |
17 | * version 2 as published by the Free Software Foundation. | |
18 | * | |
19 | * This program is distributed in the hope that it will be useful, but | |
20 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
22 | * General Public License for more details. | |
23 | * | |
24 | * You should have received a copy of the GNU General Public License | |
25 | * along with this program; if not, write to the Free Software | |
26 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
27 | * 02110-1301 USA | |
28 | * | |
29 | */ | |
30 | ||
31 | #include <asm/mach-types.h> | |
72de2b1a | 32 | |
a8bf1ba1 | 33 | #include <linux/module.h> |
72de2b1a SW |
34 | #include <linux/platform_device.h> |
35 | #include <linux/slab.h> | |
6e267645 | 36 | #include <linux/gpio.h> |
07cdf36d | 37 | #include <linux/of_gpio.h> |
6e267645 | 38 | |
4651d556 | 39 | #include <mach/tegra_wm8903_pdata.h> |
72de2b1a | 40 | |
a8bf1ba1 | 41 | #include <sound/core.h> |
f7d3e403 | 42 | #include <sound/jack.h> |
a8bf1ba1 SW |
43 | #include <sound/pcm.h> |
44 | #include <sound/pcm_params.h> | |
45 | #include <sound/soc.h> | |
46 | ||
41b5f9b3 SW |
47 | #include "../codecs/wm8903.h" |
48 | ||
a8bf1ba1 SW |
49 | #include "tegra_asoc_utils.h" |
50 | ||
7b33af25 | 51 | #define DRV_NAME "tegra-snd-wm8903" |
a8bf1ba1 | 52 | |
bf1b1328 | 53 | #define GPIO_SPKR_EN BIT(0) |
773b1d3d SW |
54 | #define GPIO_HP_MUTE BIT(1) |
55 | #define GPIO_INT_MIC_EN BIT(2) | |
56 | #define GPIO_EXT_MIC_EN BIT(3) | |
29591ed4 | 57 | #define GPIO_HP_DET BIT(4) |
bf1b1328 | 58 | |
dc0a50af | 59 | struct tegra_wm8903 { |
07cdf36d | 60 | struct tegra_wm8903_platform_data pdata; |
d64e57ce | 61 | struct tegra_asoc_utils_data util_data; |
bf1b1328 | 62 | int gpio_requested; |
72de2b1a | 63 | }; |
a8bf1ba1 | 64 | |
dc0a50af | 65 | static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream, |
a8bf1ba1 SW |
66 | struct snd_pcm_hw_params *params) |
67 | { | |
68 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
69 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
70 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
c244d477 SW |
71 | struct snd_soc_codec *codec = rtd->codec; |
72 | struct snd_soc_card *card = codec->card; | |
dc0a50af | 73 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
07541396 | 74 | int srate, mclk; |
a8bf1ba1 SW |
75 | int err; |
76 | ||
77 | srate = params_rate(params); | |
78 | switch (srate) { | |
79 | case 64000: | |
80 | case 88200: | |
81 | case 96000: | |
82 | mclk = 128 * srate; | |
83 | break; | |
84 | default: | |
85 | mclk = 256 * srate; | |
86 | break; | |
87 | } | |
88 | /* FIXME: Codec only requires >= 3MHz if OSR==0 */ | |
89 | while (mclk < 6000000) | |
90 | mclk *= 2; | |
91 | ||
07541396 | 92 | err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); |
a8bf1ba1 | 93 | if (err < 0) { |
c244d477 | 94 | dev_err(card->dev, "Can't configure clocks\n"); |
a8bf1ba1 SW |
95 | return err; |
96 | } | |
97 | ||
98 | err = snd_soc_dai_set_fmt(codec_dai, | |
99 | SND_SOC_DAIFMT_I2S | | |
100 | SND_SOC_DAIFMT_NB_NF | | |
101 | SND_SOC_DAIFMT_CBS_CFS); | |
102 | if (err < 0) { | |
c244d477 | 103 | dev_err(card->dev, "codec_dai fmt not set\n"); |
a8bf1ba1 SW |
104 | return err; |
105 | } | |
106 | ||
107 | err = snd_soc_dai_set_fmt(cpu_dai, | |
108 | SND_SOC_DAIFMT_I2S | | |
109 | SND_SOC_DAIFMT_NB_NF | | |
110 | SND_SOC_DAIFMT_CBS_CFS); | |
111 | if (err < 0) { | |
c244d477 | 112 | dev_err(card->dev, "cpu_dai fmt not set\n"); |
a8bf1ba1 SW |
113 | return err; |
114 | } | |
115 | ||
07541396 SW |
116 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
117 | SND_SOC_CLOCK_IN); | |
118 | if (err < 0) { | |
119 | dev_err(card->dev, "codec_dai clock not set\n"); | |
120 | return err; | |
a8bf1ba1 SW |
121 | } |
122 | ||
123 | return 0; | |
124 | } | |
125 | ||
dc0a50af SW |
126 | static struct snd_soc_ops tegra_wm8903_ops = { |
127 | .hw_params = tegra_wm8903_hw_params, | |
a8bf1ba1 SW |
128 | }; |
129 | ||
dc0a50af | 130 | static struct snd_soc_jack tegra_wm8903_hp_jack; |
f7d3e403 | 131 | |
dc0a50af | 132 | static struct snd_soc_jack_pin tegra_wm8903_hp_jack_pins[] = { |
f7d3e403 SW |
133 | { |
134 | .pin = "Headphone Jack", | |
135 | .mask = SND_JACK_HEADPHONE, | |
136 | }, | |
137 | }; | |
138 | ||
3eb25f99 SW |
139 | static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpio = { |
140 | .name = "headphone detect", | |
141 | .report = SND_JACK_HEADPHONE, | |
142 | .debounce_time = 150, | |
143 | .invert = 1, | |
f7d3e403 SW |
144 | }; |
145 | ||
dc0a50af | 146 | static struct snd_soc_jack tegra_wm8903_mic_jack; |
41b5f9b3 | 147 | |
dc0a50af | 148 | static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = { |
41b5f9b3 SW |
149 | { |
150 | .pin = "Mic Jack", | |
151 | .mask = SND_JACK_MICROPHONE, | |
152 | }, | |
153 | }; | |
154 | ||
dc0a50af | 155 | static int tegra_wm8903_event_int_spk(struct snd_soc_dapm_widget *w, |
6e267645 SW |
156 | struct snd_kcontrol *k, int event) |
157 | { | |
a32955db SW |
158 | struct snd_soc_dapm_context *dapm = w->dapm; |
159 | struct snd_soc_card *card = dapm->card; | |
dc0a50af | 160 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
07cdf36d | 161 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
6e267645 | 162 | |
773b1d3d SW |
163 | if (!(machine->gpio_requested & GPIO_SPKR_EN)) |
164 | return 0; | |
165 | ||
6e267645 | 166 | gpio_set_value_cansleep(pdata->gpio_spkr_en, |
f9eabc3d | 167 | SND_SOC_DAPM_EVENT_ON(event)); |
6e267645 SW |
168 | |
169 | return 0; | |
170 | } | |
171 | ||
773b1d3d SW |
172 | static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w, |
173 | struct snd_kcontrol *k, int event) | |
174 | { | |
a32955db SW |
175 | struct snd_soc_dapm_context *dapm = w->dapm; |
176 | struct snd_soc_card *card = dapm->card; | |
773b1d3d | 177 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
07cdf36d | 178 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
773b1d3d SW |
179 | |
180 | if (!(machine->gpio_requested & GPIO_HP_MUTE)) | |
181 | return 0; | |
182 | ||
183 | gpio_set_value_cansleep(pdata->gpio_hp_mute, | |
184 | !SND_SOC_DAPM_EVENT_ON(event)); | |
185 | ||
186 | return 0; | |
187 | } | |
188 | ||
dc0a50af SW |
189 | static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = { |
190 | SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk), | |
773b1d3d | 191 | SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp), |
62ffac4d SW |
192 | SND_SOC_DAPM_MIC("Mic Jack", NULL), |
193 | }; | |
194 | ||
195 | static const struct snd_soc_dapm_route harmony_audio_map[] = { | |
196 | {"Headphone Jack", NULL, "HPOUTR"}, | |
197 | {"Headphone Jack", NULL, "HPOUTL"}, | |
6e267645 SW |
198 | {"Int Spk", NULL, "ROP"}, |
199 | {"Int Spk", NULL, "RON"}, | |
200 | {"Int Spk", NULL, "LOP"}, | |
201 | {"Int Spk", NULL, "LON"}, | |
5032dc34 MB |
202 | {"Mic Jack", NULL, "MICBIAS"}, |
203 | {"IN1L", NULL, "Mic Jack"}, | |
62ffac4d SW |
204 | }; |
205 | ||
773b1d3d SW |
206 | static const struct snd_soc_dapm_route seaboard_audio_map[] = { |
207 | {"Headphone Jack", NULL, "HPOUTR"}, | |
208 | {"Headphone Jack", NULL, "HPOUTL"}, | |
209 | {"Int Spk", NULL, "ROP"}, | |
210 | {"Int Spk", NULL, "RON"}, | |
211 | {"Int Spk", NULL, "LOP"}, | |
212 | {"Int Spk", NULL, "LON"}, | |
5032dc34 MB |
213 | {"Mic Jack", NULL, "MICBIAS"}, |
214 | {"IN1R", NULL, "Mic Jack"}, | |
773b1d3d SW |
215 | }; |
216 | ||
217 | static const struct snd_soc_dapm_route kaen_audio_map[] = { | |
218 | {"Headphone Jack", NULL, "HPOUTR"}, | |
219 | {"Headphone Jack", NULL, "HPOUTL"}, | |
220 | {"Int Spk", NULL, "ROP"}, | |
221 | {"Int Spk", NULL, "RON"}, | |
222 | {"Int Spk", NULL, "LOP"}, | |
223 | {"Int Spk", NULL, "LON"}, | |
5032dc34 MB |
224 | {"Mic Jack", NULL, "MICBIAS"}, |
225 | {"IN2R", NULL, "Mic Jack"}, | |
773b1d3d SW |
226 | }; |
227 | ||
228 | static const struct snd_soc_dapm_route aebl_audio_map[] = { | |
229 | {"Headphone Jack", NULL, "HPOUTR"}, | |
230 | {"Headphone Jack", NULL, "HPOUTL"}, | |
231 | {"Int Spk", NULL, "LINEOUTR"}, | |
232 | {"Int Spk", NULL, "LINEOUTL"}, | |
5032dc34 MB |
233 | {"Mic Jack", NULL, "MICBIAS"}, |
234 | {"IN1R", NULL, "Mic Jack"}, | |
773b1d3d SW |
235 | }; |
236 | ||
dc0a50af | 237 | static const struct snd_kcontrol_new tegra_wm8903_controls[] = { |
3d8bc390 SW |
238 | SOC_DAPM_PIN_SWITCH("Int Spk"), |
239 | }; | |
240 | ||
dc0a50af | 241 | static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd) |
62ffac4d SW |
242 | { |
243 | struct snd_soc_codec *codec = rtd->codec; | |
244 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
6e267645 | 245 | struct snd_soc_card *card = codec->card; |
dc0a50af | 246 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
07cdf36d | 247 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
bf1b1328 | 248 | |
773b1d3d SW |
249 | if (gpio_is_valid(pdata->gpio_hp_det)) { |
250 | tegra_wm8903_hp_jack_gpio.gpio = pdata->gpio_hp_det; | |
251 | snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, | |
252 | &tegra_wm8903_hp_jack); | |
253 | snd_soc_jack_add_pins(&tegra_wm8903_hp_jack, | |
254 | ARRAY_SIZE(tegra_wm8903_hp_jack_pins), | |
255 | tegra_wm8903_hp_jack_pins); | |
256 | snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack, | |
257 | 1, | |
258 | &tegra_wm8903_hp_jack_gpio); | |
29591ed4 | 259 | machine->gpio_requested |= GPIO_HP_DET; |
773b1d3d | 260 | } |
f7d3e403 | 261 | |
41b5f9b3 | 262 | snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, |
dc0a50af SW |
263 | &tegra_wm8903_mic_jack); |
264 | snd_soc_jack_add_pins(&tegra_wm8903_mic_jack, | |
265 | ARRAY_SIZE(tegra_wm8903_mic_jack_pins), | |
266 | tegra_wm8903_mic_jack_pins); | |
267 | wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE, | |
268 | 0); | |
41b5f9b3 | 269 | |
5032dc34 | 270 | snd_soc_dapm_force_enable_pin(dapm, "MICBIAS"); |
41b5f9b3 | 271 | |
62ffac4d SW |
272 | return 0; |
273 | } | |
274 | ||
dc0a50af | 275 | static struct snd_soc_dai_link tegra_wm8903_dai = { |
a8bf1ba1 SW |
276 | .name = "WM8903", |
277 | .stream_name = "WM8903 PCM", | |
4b592c91 | 278 | .codec_name = "wm8903.0-001a", |
896637ac SW |
279 | .platform_name = "tegra20-i2s.0", |
280 | .cpu_dai_name = "tegra20-i2s.0", | |
a8bf1ba1 | 281 | .codec_dai_name = "wm8903-hifi", |
dc0a50af SW |
282 | .init = tegra_wm8903_init, |
283 | .ops = &tegra_wm8903_ops, | |
a8bf1ba1 SW |
284 | }; |
285 | ||
dc0a50af SW |
286 | static struct snd_soc_card snd_soc_tegra_wm8903 = { |
287 | .name = "tegra-wm8903", | |
b16eaf9f | 288 | .owner = THIS_MODULE, |
dc0a50af | 289 | .dai_link = &tegra_wm8903_dai, |
a8bf1ba1 | 290 | .num_links = 1, |
dea8b6ee SW |
291 | |
292 | .controls = tegra_wm8903_controls, | |
293 | .num_controls = ARRAY_SIZE(tegra_wm8903_controls), | |
294 | .dapm_widgets = tegra_wm8903_dapm_widgets, | |
295 | .num_dapm_widgets = ARRAY_SIZE(tegra_wm8903_dapm_widgets), | |
6e5fdba9 | 296 | .fully_routed = true, |
a8bf1ba1 SW |
297 | }; |
298 | ||
dc0a50af | 299 | static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev) |
a8bf1ba1 | 300 | { |
f51022f1 | 301 | struct device_node *np = pdev->dev.of_node; |
dc0a50af SW |
302 | struct snd_soc_card *card = &snd_soc_tegra_wm8903; |
303 | struct tegra_wm8903 *machine; | |
f51022f1 | 304 | struct tegra_wm8903_platform_data *pdata; |
a8bf1ba1 SW |
305 | int ret; |
306 | ||
07cdf36d | 307 | if (!pdev->dev.platform_data && !pdev->dev.of_node) { |
773b1d3d | 308 | dev_err(&pdev->dev, "No platform data supplied\n"); |
6e267645 SW |
309 | return -EINVAL; |
310 | } | |
311 | ||
e4e4c18a SW |
312 | machine = devm_kzalloc(&pdev->dev, sizeof(struct tegra_wm8903), |
313 | GFP_KERNEL); | |
dc0a50af SW |
314 | if (!machine) { |
315 | dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n"); | |
e4e4c18a SW |
316 | ret = -ENOMEM; |
317 | goto err; | |
a8bf1ba1 | 318 | } |
f51022f1 | 319 | pdata = &machine->pdata; |
a8bf1ba1 | 320 | |
72de2b1a SW |
321 | card->dev = &pdev->dev; |
322 | platform_set_drvdata(pdev, card); | |
dc0a50af | 323 | snd_soc_card_set_drvdata(card, machine); |
a8bf1ba1 | 324 | |
f51022f1 SW |
325 | if (pdev->dev.platform_data) { |
326 | memcpy(pdata, card->dev->platform_data, sizeof(*pdata)); | |
327 | } else if (np) { | |
328 | pdata->gpio_spkr_en = of_get_named_gpio(np, | |
329 | "nvidia,spkr-en-gpios", 0); | |
330 | if (pdata->gpio_spkr_en == -ENODEV) | |
331 | return -EPROBE_DEFER; | |
332 | ||
333 | pdata->gpio_hp_mute = of_get_named_gpio(np, | |
334 | "nvidia,hp-mute-gpios", 0); | |
335 | if (pdata->gpio_hp_mute == -ENODEV) | |
336 | return -EPROBE_DEFER; | |
337 | ||
338 | pdata->gpio_hp_det = of_get_named_gpio(np, | |
339 | "nvidia,hp-det-gpios", 0); | |
340 | if (pdata->gpio_hp_det == -ENODEV) | |
341 | return -EPROBE_DEFER; | |
342 | ||
343 | pdata->gpio_int_mic_en = of_get_named_gpio(np, | |
344 | "nvidia,int-mic-en-gpios", 0); | |
345 | if (pdata->gpio_int_mic_en == -ENODEV) | |
346 | return -EPROBE_DEFER; | |
347 | ||
348 | pdata->gpio_ext_mic_en = of_get_named_gpio(np, | |
349 | "nvidia,ext-mic-en-gpios", 0); | |
350 | if (pdata->gpio_ext_mic_en == -ENODEV) | |
351 | return -EPROBE_DEFER; | |
352 | } | |
353 | ||
354 | if (np) { | |
07cdf36d SW |
355 | ret = snd_soc_of_parse_card_name(card, "nvidia,model"); |
356 | if (ret) | |
357 | goto err; | |
358 | ||
359 | ret = snd_soc_of_parse_audio_routing(card, | |
360 | "nvidia,audio-routing"); | |
361 | if (ret) | |
362 | goto err; | |
363 | ||
364 | tegra_wm8903_dai.codec_name = NULL; | |
f51022f1 SW |
365 | tegra_wm8903_dai.codec_of_node = of_parse_phandle(np, |
366 | "nvidia,audio-codec", 0); | |
07cdf36d SW |
367 | if (!tegra_wm8903_dai.codec_of_node) { |
368 | dev_err(&pdev->dev, | |
369 | "Property 'nvidia,audio-codec' missing or invalid\n"); | |
370 | ret = -EINVAL; | |
371 | goto err; | |
372 | } | |
373 | ||
374 | tegra_wm8903_dai.cpu_dai_name = NULL; | |
f51022f1 SW |
375 | tegra_wm8903_dai.cpu_dai_of_node = of_parse_phandle(np, |
376 | "nvidia,i2s-controller", 0); | |
07cdf36d SW |
377 | if (!tegra_wm8903_dai.cpu_dai_of_node) { |
378 | dev_err(&pdev->dev, | |
379 | "Property 'nvidia,i2s-controller' missing or invalid\n"); | |
380 | ret = -EINVAL; | |
381 | goto err; | |
382 | } | |
383 | ||
518de86b SW |
384 | tegra_wm8903_dai.platform_name = NULL; |
385 | tegra_wm8903_dai.platform_of_node = | |
386 | tegra_wm8903_dai.cpu_dai_of_node; | |
dea8b6ee | 387 | } else { |
07cdf36d SW |
388 | if (machine_is_harmony()) { |
389 | card->dapm_routes = harmony_audio_map; | |
390 | card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map); | |
391 | } else if (machine_is_seaboard()) { | |
392 | card->dapm_routes = seaboard_audio_map; | |
393 | card->num_dapm_routes = ARRAY_SIZE(seaboard_audio_map); | |
394 | } else if (machine_is_kaen()) { | |
395 | card->dapm_routes = kaen_audio_map; | |
396 | card->num_dapm_routes = ARRAY_SIZE(kaen_audio_map); | |
397 | } else { | |
398 | card->dapm_routes = aebl_audio_map; | |
399 | card->num_dapm_routes = ARRAY_SIZE(aebl_audio_map); | |
400 | } | |
dea8b6ee SW |
401 | } |
402 | ||
f51022f1 SW |
403 | if (gpio_is_valid(pdata->gpio_spkr_en)) { |
404 | ret = gpio_request(pdata->gpio_spkr_en, "spkr_en"); | |
405 | if (ret) { | |
406 | dev_err(card->dev, "cannot get spkr_en gpio\n"); | |
407 | return ret; | |
408 | } | |
409 | machine->gpio_requested |= GPIO_SPKR_EN; | |
410 | ||
411 | gpio_direction_output(pdata->gpio_spkr_en, 0); | |
412 | } | |
413 | ||
414 | if (gpio_is_valid(pdata->gpio_hp_mute)) { | |
415 | ret = gpio_request(pdata->gpio_hp_mute, "hp_mute"); | |
416 | if (ret) { | |
417 | dev_err(card->dev, "cannot get hp_mute gpio\n"); | |
418 | return ret; | |
419 | } | |
420 | machine->gpio_requested |= GPIO_HP_MUTE; | |
421 | ||
422 | gpio_direction_output(pdata->gpio_hp_mute, 1); | |
423 | } | |
424 | ||
425 | if (gpio_is_valid(pdata->gpio_int_mic_en)) { | |
426 | ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en"); | |
427 | if (ret) { | |
428 | dev_err(card->dev, "cannot get int_mic_en gpio\n"); | |
429 | return ret; | |
430 | } | |
431 | machine->gpio_requested |= GPIO_INT_MIC_EN; | |
432 | ||
433 | /* Disable int mic; enable signal is active-high */ | |
434 | gpio_direction_output(pdata->gpio_int_mic_en, 0); | |
435 | } | |
436 | ||
437 | if (gpio_is_valid(pdata->gpio_ext_mic_en)) { | |
438 | ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en"); | |
439 | if (ret) { | |
440 | dev_err(card->dev, "cannot get ext_mic_en gpio\n"); | |
441 | return ret; | |
442 | } | |
443 | machine->gpio_requested |= GPIO_EXT_MIC_EN; | |
444 | ||
445 | /* Enable ext mic; enable signal is active-low */ | |
446 | gpio_direction_output(pdata->gpio_ext_mic_en, 0); | |
447 | } | |
448 | ||
07cdf36d SW |
449 | ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev); |
450 | if (ret) | |
518de86b | 451 | goto err; |
07cdf36d | 452 | |
72de2b1a | 453 | ret = snd_soc_register_card(card); |
a8bf1ba1 | 454 | if (ret) { |
72de2b1a | 455 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
a8bf1ba1 | 456 | ret); |
acb8303f | 457 | goto err_fini_utils; |
a8bf1ba1 SW |
458 | } |
459 | ||
460 | return 0; | |
461 | ||
acb8303f | 462 | err_fini_utils: |
dc0a50af | 463 | tegra_asoc_utils_fini(&machine->util_data); |
e4e4c18a | 464 | err: |
a8bf1ba1 SW |
465 | return ret; |
466 | } | |
a8bf1ba1 | 467 | |
dc0a50af | 468 | static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev) |
a8bf1ba1 | 469 | { |
72de2b1a | 470 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
dc0a50af | 471 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
07cdf36d | 472 | struct tegra_wm8903_platform_data *pdata = &machine->pdata; |
72de2b1a | 473 | |
29591ed4 SW |
474 | if (machine->gpio_requested & GPIO_HP_DET) |
475 | snd_soc_jack_free_gpios(&tegra_wm8903_hp_jack, | |
476 | 1, | |
477 | &tegra_wm8903_hp_jack_gpio); | |
dc0a50af | 478 | if (machine->gpio_requested & GPIO_EXT_MIC_EN) |
bf1b1328 | 479 | gpio_free(pdata->gpio_ext_mic_en); |
dc0a50af | 480 | if (machine->gpio_requested & GPIO_INT_MIC_EN) |
bf1b1328 | 481 | gpio_free(pdata->gpio_int_mic_en); |
773b1d3d SW |
482 | if (machine->gpio_requested & GPIO_HP_MUTE) |
483 | gpio_free(pdata->gpio_hp_mute); | |
dc0a50af | 484 | if (machine->gpio_requested & GPIO_SPKR_EN) |
6e267645 | 485 | gpio_free(pdata->gpio_spkr_en); |
29591ed4 SW |
486 | machine->gpio_requested = 0; |
487 | ||
488 | snd_soc_unregister_card(card); | |
489 | ||
490 | tegra_asoc_utils_fini(&machine->util_data); | |
6e267645 | 491 | |
72de2b1a SW |
492 | return 0; |
493 | } | |
494 | ||
07cdf36d SW |
495 | static const struct of_device_id tegra_wm8903_of_match[] __devinitconst = { |
496 | { .compatible = "nvidia,tegra-audio-wm8903", }, | |
497 | {}, | |
498 | }; | |
499 | ||
dc0a50af | 500 | static struct platform_driver tegra_wm8903_driver = { |
72de2b1a SW |
501 | .driver = { |
502 | .name = DRV_NAME, | |
503 | .owner = THIS_MODULE, | |
deb2607e | 504 | .pm = &snd_soc_pm_ops, |
07cdf36d | 505 | .of_match_table = tegra_wm8903_of_match, |
72de2b1a | 506 | }, |
dc0a50af SW |
507 | .probe = tegra_wm8903_driver_probe, |
508 | .remove = __devexit_p(tegra_wm8903_driver_remove), | |
72de2b1a | 509 | }; |
e4e4c18a | 510 | module_platform_driver(tegra_wm8903_driver); |
a8bf1ba1 SW |
511 | |
512 | MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); | |
dc0a50af | 513 | MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver"); |
a8bf1ba1 | 514 | MODULE_LICENSE("GPL"); |
8eb34207 | 515 | MODULE_ALIAS("platform:" DRV_NAME); |
07cdf36d | 516 | MODULE_DEVICE_TABLE(of, tegra_wm8903_of_match); |