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Commit | Line | Data |
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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> | |
72de2b1a | 5 | * Copyright (C) 2010-2011 - 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 SW |
36 | #include <linux/gpio.h> |
37 | ||
4651d556 | 38 | #include <mach/tegra_wm8903_pdata.h> |
72de2b1a | 39 | |
a8bf1ba1 | 40 | #include <sound/core.h> |
f7d3e403 | 41 | #include <sound/jack.h> |
a8bf1ba1 SW |
42 | #include <sound/pcm.h> |
43 | #include <sound/pcm_params.h> | |
44 | #include <sound/soc.h> | |
45 | ||
41b5f9b3 SW |
46 | #include "../codecs/wm8903.h" |
47 | ||
a8bf1ba1 SW |
48 | #include "tegra_das.h" |
49 | #include "tegra_i2s.h" | |
50 | #include "tegra_pcm.h" | |
51 | #include "tegra_asoc_utils.h" | |
52 | ||
7b33af25 | 53 | #define DRV_NAME "tegra-snd-wm8903" |
a8bf1ba1 | 54 | |
bf1b1328 | 55 | #define GPIO_SPKR_EN BIT(0) |
773b1d3d SW |
56 | #define GPIO_HP_MUTE BIT(1) |
57 | #define GPIO_INT_MIC_EN BIT(2) | |
58 | #define GPIO_EXT_MIC_EN BIT(3) | |
29591ed4 | 59 | #define GPIO_HP_DET BIT(4) |
bf1b1328 | 60 | |
dc0a50af | 61 | struct tegra_wm8903 { |
d64e57ce | 62 | struct tegra_asoc_utils_data util_data; |
4651d556 | 63 | struct tegra_wm8903_platform_data *pdata; |
bf1b1328 | 64 | int gpio_requested; |
72de2b1a | 65 | }; |
a8bf1ba1 | 66 | |
dc0a50af | 67 | static int tegra_wm8903_hw_params(struct snd_pcm_substream *substream, |
a8bf1ba1 SW |
68 | struct snd_pcm_hw_params *params) |
69 | { | |
70 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
71 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
72 | struct snd_soc_dai *cpu_dai = rtd->cpu_dai; | |
c244d477 SW |
73 | struct snd_soc_codec *codec = rtd->codec; |
74 | struct snd_soc_card *card = codec->card; | |
dc0a50af | 75 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
07541396 | 76 | int srate, mclk; |
a8bf1ba1 SW |
77 | int err; |
78 | ||
79 | srate = params_rate(params); | |
80 | switch (srate) { | |
81 | case 64000: | |
82 | case 88200: | |
83 | case 96000: | |
84 | mclk = 128 * srate; | |
85 | break; | |
86 | default: | |
87 | mclk = 256 * srate; | |
88 | break; | |
89 | } | |
90 | /* FIXME: Codec only requires >= 3MHz if OSR==0 */ | |
91 | while (mclk < 6000000) | |
92 | mclk *= 2; | |
93 | ||
07541396 | 94 | err = tegra_asoc_utils_set_rate(&machine->util_data, srate, mclk); |
a8bf1ba1 | 95 | if (err < 0) { |
c244d477 | 96 | dev_err(card->dev, "Can't configure clocks\n"); |
a8bf1ba1 SW |
97 | return err; |
98 | } | |
99 | ||
100 | err = snd_soc_dai_set_fmt(codec_dai, | |
101 | SND_SOC_DAIFMT_I2S | | |
102 | SND_SOC_DAIFMT_NB_NF | | |
103 | SND_SOC_DAIFMT_CBS_CFS); | |
104 | if (err < 0) { | |
c244d477 | 105 | dev_err(card->dev, "codec_dai fmt not set\n"); |
a8bf1ba1 SW |
106 | return err; |
107 | } | |
108 | ||
109 | err = snd_soc_dai_set_fmt(cpu_dai, | |
110 | SND_SOC_DAIFMT_I2S | | |
111 | SND_SOC_DAIFMT_NB_NF | | |
112 | SND_SOC_DAIFMT_CBS_CFS); | |
113 | if (err < 0) { | |
c244d477 | 114 | dev_err(card->dev, "cpu_dai fmt not set\n"); |
a8bf1ba1 SW |
115 | return err; |
116 | } | |
117 | ||
07541396 SW |
118 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, |
119 | SND_SOC_CLOCK_IN); | |
120 | if (err < 0) { | |
121 | dev_err(card->dev, "codec_dai clock not set\n"); | |
122 | return err; | |
a8bf1ba1 SW |
123 | } |
124 | ||
125 | return 0; | |
126 | } | |
127 | ||
dc0a50af SW |
128 | static struct snd_soc_ops tegra_wm8903_ops = { |
129 | .hw_params = tegra_wm8903_hw_params, | |
a8bf1ba1 SW |
130 | }; |
131 | ||
dc0a50af | 132 | static struct snd_soc_jack tegra_wm8903_hp_jack; |
f7d3e403 | 133 | |
dc0a50af | 134 | static struct snd_soc_jack_pin tegra_wm8903_hp_jack_pins[] = { |
f7d3e403 SW |
135 | { |
136 | .pin = "Headphone Jack", | |
137 | .mask = SND_JACK_HEADPHONE, | |
138 | }, | |
139 | }; | |
140 | ||
3eb25f99 SW |
141 | static struct snd_soc_jack_gpio tegra_wm8903_hp_jack_gpio = { |
142 | .name = "headphone detect", | |
143 | .report = SND_JACK_HEADPHONE, | |
144 | .debounce_time = 150, | |
145 | .invert = 1, | |
f7d3e403 SW |
146 | }; |
147 | ||
dc0a50af | 148 | static struct snd_soc_jack tegra_wm8903_mic_jack; |
41b5f9b3 | 149 | |
dc0a50af | 150 | static struct snd_soc_jack_pin tegra_wm8903_mic_jack_pins[] = { |
41b5f9b3 SW |
151 | { |
152 | .pin = "Mic Jack", | |
153 | .mask = SND_JACK_MICROPHONE, | |
154 | }, | |
155 | }; | |
156 | ||
dc0a50af | 157 | static int tegra_wm8903_event_int_spk(struct snd_soc_dapm_widget *w, |
6e267645 SW |
158 | struct snd_kcontrol *k, int event) |
159 | { | |
a32955db SW |
160 | struct snd_soc_dapm_context *dapm = w->dapm; |
161 | struct snd_soc_card *card = dapm->card; | |
dc0a50af SW |
162 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
163 | struct tegra_wm8903_platform_data *pdata = machine->pdata; | |
6e267645 | 164 | |
773b1d3d SW |
165 | if (!(machine->gpio_requested & GPIO_SPKR_EN)) |
166 | return 0; | |
167 | ||
6e267645 | 168 | gpio_set_value_cansleep(pdata->gpio_spkr_en, |
f9eabc3d | 169 | SND_SOC_DAPM_EVENT_ON(event)); |
6e267645 SW |
170 | |
171 | return 0; | |
172 | } | |
173 | ||
773b1d3d SW |
174 | static int tegra_wm8903_event_hp(struct snd_soc_dapm_widget *w, |
175 | struct snd_kcontrol *k, int event) | |
176 | { | |
a32955db SW |
177 | struct snd_soc_dapm_context *dapm = w->dapm; |
178 | struct snd_soc_card *card = dapm->card; | |
773b1d3d SW |
179 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
180 | struct tegra_wm8903_platform_data *pdata = machine->pdata; | |
181 | ||
182 | if (!(machine->gpio_requested & GPIO_HP_MUTE)) | |
183 | return 0; | |
184 | ||
185 | gpio_set_value_cansleep(pdata->gpio_hp_mute, | |
186 | !SND_SOC_DAPM_EVENT_ON(event)); | |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
dc0a50af SW |
191 | static const struct snd_soc_dapm_widget tegra_wm8903_dapm_widgets[] = { |
192 | SND_SOC_DAPM_SPK("Int Spk", tegra_wm8903_event_int_spk), | |
773b1d3d | 193 | SND_SOC_DAPM_HP("Headphone Jack", tegra_wm8903_event_hp), |
62ffac4d SW |
194 | SND_SOC_DAPM_MIC("Mic Jack", NULL), |
195 | }; | |
196 | ||
197 | static const struct snd_soc_dapm_route harmony_audio_map[] = { | |
198 | {"Headphone Jack", NULL, "HPOUTR"}, | |
199 | {"Headphone Jack", NULL, "HPOUTL"}, | |
6e267645 SW |
200 | {"Int Spk", NULL, "ROP"}, |
201 | {"Int Spk", NULL, "RON"}, | |
202 | {"Int Spk", NULL, "LOP"}, | |
203 | {"Int Spk", NULL, "LON"}, | |
62ffac4d SW |
204 | {"Mic Bias", NULL, "Mic Jack"}, |
205 | {"IN1L", NULL, "Mic Bias"}, | |
206 | }; | |
207 | ||
773b1d3d SW |
208 | static const struct snd_soc_dapm_route seaboard_audio_map[] = { |
209 | {"Headphone Jack", NULL, "HPOUTR"}, | |
210 | {"Headphone Jack", NULL, "HPOUTL"}, | |
211 | {"Int Spk", NULL, "ROP"}, | |
212 | {"Int Spk", NULL, "RON"}, | |
213 | {"Int Spk", NULL, "LOP"}, | |
214 | {"Int Spk", NULL, "LON"}, | |
215 | {"Mic Bias", NULL, "Mic Jack"}, | |
216 | {"IN1R", NULL, "Mic Bias"}, | |
217 | }; | |
218 | ||
219 | static const struct snd_soc_dapm_route kaen_audio_map[] = { | |
220 | {"Headphone Jack", NULL, "HPOUTR"}, | |
221 | {"Headphone Jack", NULL, "HPOUTL"}, | |
222 | {"Int Spk", NULL, "ROP"}, | |
223 | {"Int Spk", NULL, "RON"}, | |
224 | {"Int Spk", NULL, "LOP"}, | |
225 | {"Int Spk", NULL, "LON"}, | |
226 | {"Mic Bias", NULL, "Mic Jack"}, | |
227 | {"IN2R", NULL, "Mic Bias"}, | |
228 | }; | |
229 | ||
230 | static const struct snd_soc_dapm_route aebl_audio_map[] = { | |
231 | {"Headphone Jack", NULL, "HPOUTR"}, | |
232 | {"Headphone Jack", NULL, "HPOUTL"}, | |
233 | {"Int Spk", NULL, "LINEOUTR"}, | |
234 | {"Int Spk", NULL, "LINEOUTL"}, | |
235 | {"Mic Bias", NULL, "Mic Jack"}, | |
236 | {"IN1R", NULL, "Mic Bias"}, | |
237 | }; | |
238 | ||
dc0a50af | 239 | static const struct snd_kcontrol_new tegra_wm8903_controls[] = { |
3d8bc390 SW |
240 | SOC_DAPM_PIN_SWITCH("Int Spk"), |
241 | }; | |
242 | ||
dc0a50af | 243 | static int tegra_wm8903_init(struct snd_soc_pcm_runtime *rtd) |
62ffac4d SW |
244 | { |
245 | struct snd_soc_codec *codec = rtd->codec; | |
246 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
6e267645 | 247 | struct snd_soc_card *card = codec->card; |
dc0a50af SW |
248 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
249 | struct tegra_wm8903_platform_data *pdata = machine->pdata; | |
6e267645 SW |
250 | int ret; |
251 | ||
773b1d3d SW |
252 | if (gpio_is_valid(pdata->gpio_spkr_en)) { |
253 | ret = gpio_request(pdata->gpio_spkr_en, "spkr_en"); | |
254 | if (ret) { | |
255 | dev_err(card->dev, "cannot get spkr_en gpio\n"); | |
256 | return ret; | |
257 | } | |
258 | machine->gpio_requested |= GPIO_SPKR_EN; | |
259 | ||
260 | gpio_direction_output(pdata->gpio_spkr_en, 0); | |
6e267645 | 261 | } |
6e267645 | 262 | |
773b1d3d SW |
263 | if (gpio_is_valid(pdata->gpio_hp_mute)) { |
264 | ret = gpio_request(pdata->gpio_hp_mute, "hp_mute"); | |
265 | if (ret) { | |
266 | dev_err(card->dev, "cannot get hp_mute gpio\n"); | |
267 | return ret; | |
268 | } | |
269 | machine->gpio_requested |= GPIO_HP_MUTE; | |
62ffac4d | 270 | |
a5fe6be4 | 271 | gpio_direction_output(pdata->gpio_hp_mute, 1); |
bf1b1328 | 272 | } |
bf1b1328 | 273 | |
773b1d3d SW |
274 | if (gpio_is_valid(pdata->gpio_int_mic_en)) { |
275 | ret = gpio_request(pdata->gpio_int_mic_en, "int_mic_en"); | |
276 | if (ret) { | |
277 | dev_err(card->dev, "cannot get int_mic_en gpio\n"); | |
278 | return ret; | |
279 | } | |
280 | machine->gpio_requested |= GPIO_INT_MIC_EN; | |
bf1b1328 | 281 | |
773b1d3d SW |
282 | /* Disable int mic; enable signal is active-high */ |
283 | gpio_direction_output(pdata->gpio_int_mic_en, 0); | |
bf1b1328 | 284 | } |
bf1b1328 | 285 | |
773b1d3d SW |
286 | if (gpio_is_valid(pdata->gpio_ext_mic_en)) { |
287 | ret = gpio_request(pdata->gpio_ext_mic_en, "ext_mic_en"); | |
288 | if (ret) { | |
289 | dev_err(card->dev, "cannot get ext_mic_en gpio\n"); | |
290 | return ret; | |
291 | } | |
292 | machine->gpio_requested |= GPIO_EXT_MIC_EN; | |
293 | ||
294 | /* Enable ext mic; enable signal is active-low */ | |
295 | gpio_direction_output(pdata->gpio_ext_mic_en, 0); | |
296 | } | |
bf1b1328 | 297 | |
773b1d3d SW |
298 | if (gpio_is_valid(pdata->gpio_hp_det)) { |
299 | tegra_wm8903_hp_jack_gpio.gpio = pdata->gpio_hp_det; | |
300 | snd_soc_jack_new(codec, "Headphone Jack", SND_JACK_HEADPHONE, | |
301 | &tegra_wm8903_hp_jack); | |
302 | snd_soc_jack_add_pins(&tegra_wm8903_hp_jack, | |
303 | ARRAY_SIZE(tegra_wm8903_hp_jack_pins), | |
304 | tegra_wm8903_hp_jack_pins); | |
305 | snd_soc_jack_add_gpios(&tegra_wm8903_hp_jack, | |
306 | 1, | |
307 | &tegra_wm8903_hp_jack_gpio); | |
29591ed4 | 308 | machine->gpio_requested |= GPIO_HP_DET; |
773b1d3d | 309 | } |
f7d3e403 | 310 | |
41b5f9b3 | 311 | snd_soc_jack_new(codec, "Mic Jack", SND_JACK_MICROPHONE, |
dc0a50af SW |
312 | &tegra_wm8903_mic_jack); |
313 | snd_soc_jack_add_pins(&tegra_wm8903_mic_jack, | |
314 | ARRAY_SIZE(tegra_wm8903_mic_jack_pins), | |
315 | tegra_wm8903_mic_jack_pins); | |
316 | wm8903_mic_detect(codec, &tegra_wm8903_mic_jack, SND_JACK_MICROPHONE, | |
317 | 0); | |
41b5f9b3 SW |
318 | |
319 | snd_soc_dapm_force_enable_pin(dapm, "Mic Bias"); | |
320 | ||
773b1d3d | 321 | /* FIXME: Calculate automatically based on DAPM routes? */ |
ee1a4d4b | 322 | if (!machine_is_harmony()) |
773b1d3d SW |
323 | snd_soc_dapm_nc_pin(dapm, "IN1L"); |
324 | if (!machine_is_seaboard() && !machine_is_aebl()) | |
325 | snd_soc_dapm_nc_pin(dapm, "IN1R"); | |
326 | snd_soc_dapm_nc_pin(dapm, "IN2L"); | |
327 | if (!machine_is_kaen()) | |
328 | snd_soc_dapm_nc_pin(dapm, "IN2R"); | |
0d6cdca7 SW |
329 | snd_soc_dapm_nc_pin(dapm, "IN3L"); |
330 | snd_soc_dapm_nc_pin(dapm, "IN3R"); | |
773b1d3d SW |
331 | |
332 | if (machine_is_aebl()) { | |
333 | snd_soc_dapm_nc_pin(dapm, "LON"); | |
334 | snd_soc_dapm_nc_pin(dapm, "RON"); | |
335 | snd_soc_dapm_nc_pin(dapm, "ROP"); | |
336 | snd_soc_dapm_nc_pin(dapm, "LOP"); | |
337 | } else { | |
338 | snd_soc_dapm_nc_pin(dapm, "LINEOUTR"); | |
339 | snd_soc_dapm_nc_pin(dapm, "LINEOUTL"); | |
340 | } | |
0d6cdca7 | 341 | |
41b5f9b3 SW |
342 | snd_soc_dapm_sync(dapm); |
343 | ||
62ffac4d SW |
344 | return 0; |
345 | } | |
346 | ||
dc0a50af | 347 | static struct snd_soc_dai_link tegra_wm8903_dai = { |
a8bf1ba1 SW |
348 | .name = "WM8903", |
349 | .stream_name = "WM8903 PCM", | |
4b592c91 | 350 | .codec_name = "wm8903.0-001a", |
a8bf1ba1 SW |
351 | .platform_name = "tegra-pcm-audio", |
352 | .cpu_dai_name = "tegra-i2s.0", | |
353 | .codec_dai_name = "wm8903-hifi", | |
dc0a50af SW |
354 | .init = tegra_wm8903_init, |
355 | .ops = &tegra_wm8903_ops, | |
a8bf1ba1 SW |
356 | }; |
357 | ||
dc0a50af SW |
358 | static struct snd_soc_card snd_soc_tegra_wm8903 = { |
359 | .name = "tegra-wm8903", | |
360 | .dai_link = &tegra_wm8903_dai, | |
a8bf1ba1 | 361 | .num_links = 1, |
dea8b6ee SW |
362 | |
363 | .controls = tegra_wm8903_controls, | |
364 | .num_controls = ARRAY_SIZE(tegra_wm8903_controls), | |
365 | .dapm_widgets = tegra_wm8903_dapm_widgets, | |
366 | .num_dapm_widgets = ARRAY_SIZE(tegra_wm8903_dapm_widgets), | |
a8bf1ba1 SW |
367 | }; |
368 | ||
dc0a50af | 369 | static __devinit int tegra_wm8903_driver_probe(struct platform_device *pdev) |
a8bf1ba1 | 370 | { |
dc0a50af SW |
371 | struct snd_soc_card *card = &snd_soc_tegra_wm8903; |
372 | struct tegra_wm8903 *machine; | |
4651d556 | 373 | struct tegra_wm8903_platform_data *pdata; |
a8bf1ba1 SW |
374 | int ret; |
375 | ||
6e267645 SW |
376 | pdata = pdev->dev.platform_data; |
377 | if (!pdata) { | |
773b1d3d | 378 | dev_err(&pdev->dev, "No platform data supplied\n"); |
6e267645 SW |
379 | return -EINVAL; |
380 | } | |
381 | ||
dc0a50af SW |
382 | machine = kzalloc(sizeof(struct tegra_wm8903), GFP_KERNEL); |
383 | if (!machine) { | |
384 | dev_err(&pdev->dev, "Can't allocate tegra_wm8903 struct\n"); | |
72de2b1a | 385 | return -ENOMEM; |
a8bf1ba1 SW |
386 | } |
387 | ||
dc0a50af | 388 | machine->pdata = pdata; |
6e267645 | 389 | |
dc0a50af | 390 | ret = tegra_asoc_utils_init(&machine->util_data, &pdev->dev); |
72de2b1a | 391 | if (ret) |
dc0a50af | 392 | goto err_free_machine; |
a8bf1ba1 | 393 | |
72de2b1a SW |
394 | card->dev = &pdev->dev; |
395 | platform_set_drvdata(pdev, card); | |
dc0a50af | 396 | snd_soc_card_set_drvdata(card, machine); |
a8bf1ba1 | 397 | |
ee1a4d4b | 398 | if (machine_is_harmony()) { |
dea8b6ee SW |
399 | card->dapm_routes = harmony_audio_map; |
400 | card->num_dapm_routes = ARRAY_SIZE(harmony_audio_map); | |
401 | } else if (machine_is_seaboard()) { | |
402 | card->dapm_routes = seaboard_audio_map; | |
403 | card->num_dapm_routes = ARRAY_SIZE(seaboard_audio_map); | |
404 | } else if (machine_is_kaen()) { | |
405 | card->dapm_routes = kaen_audio_map; | |
406 | card->num_dapm_routes = ARRAY_SIZE(kaen_audio_map); | |
407 | } else { | |
408 | card->dapm_routes = aebl_audio_map; | |
409 | card->num_dapm_routes = ARRAY_SIZE(aebl_audio_map); | |
410 | } | |
411 | ||
72de2b1a | 412 | ret = snd_soc_register_card(card); |
a8bf1ba1 | 413 | if (ret) { |
72de2b1a | 414 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", |
a8bf1ba1 | 415 | ret); |
acb8303f | 416 | goto err_fini_utils; |
a8bf1ba1 SW |
417 | } |
418 | ||
419 | return 0; | |
420 | ||
acb8303f | 421 | err_fini_utils: |
dc0a50af SW |
422 | tegra_asoc_utils_fini(&machine->util_data); |
423 | err_free_machine: | |
424 | kfree(machine); | |
a8bf1ba1 SW |
425 | return ret; |
426 | } | |
a8bf1ba1 | 427 | |
dc0a50af | 428 | static int __devexit tegra_wm8903_driver_remove(struct platform_device *pdev) |
a8bf1ba1 | 429 | { |
72de2b1a | 430 | struct snd_soc_card *card = platform_get_drvdata(pdev); |
dc0a50af SW |
431 | struct tegra_wm8903 *machine = snd_soc_card_get_drvdata(card); |
432 | struct tegra_wm8903_platform_data *pdata = machine->pdata; | |
72de2b1a | 433 | |
29591ed4 SW |
434 | if (machine->gpio_requested & GPIO_HP_DET) |
435 | snd_soc_jack_free_gpios(&tegra_wm8903_hp_jack, | |
436 | 1, | |
437 | &tegra_wm8903_hp_jack_gpio); | |
dc0a50af | 438 | if (machine->gpio_requested & GPIO_EXT_MIC_EN) |
bf1b1328 | 439 | gpio_free(pdata->gpio_ext_mic_en); |
dc0a50af | 440 | if (machine->gpio_requested & GPIO_INT_MIC_EN) |
bf1b1328 | 441 | gpio_free(pdata->gpio_int_mic_en); |
773b1d3d SW |
442 | if (machine->gpio_requested & GPIO_HP_MUTE) |
443 | gpio_free(pdata->gpio_hp_mute); | |
dc0a50af | 444 | if (machine->gpio_requested & GPIO_SPKR_EN) |
6e267645 | 445 | gpio_free(pdata->gpio_spkr_en); |
29591ed4 SW |
446 | machine->gpio_requested = 0; |
447 | ||
448 | snd_soc_unregister_card(card); | |
449 | ||
450 | tegra_asoc_utils_fini(&machine->util_data); | |
6e267645 | 451 | |
dc0a50af | 452 | kfree(machine); |
72de2b1a SW |
453 | |
454 | return 0; | |
455 | } | |
456 | ||
dc0a50af | 457 | static struct platform_driver tegra_wm8903_driver = { |
72de2b1a SW |
458 | .driver = { |
459 | .name = DRV_NAME, | |
460 | .owner = THIS_MODULE, | |
deb2607e | 461 | .pm = &snd_soc_pm_ops, |
72de2b1a | 462 | }, |
dc0a50af SW |
463 | .probe = tegra_wm8903_driver_probe, |
464 | .remove = __devexit_p(tegra_wm8903_driver_remove), | |
72de2b1a SW |
465 | }; |
466 | ||
dc0a50af | 467 | static int __init tegra_wm8903_modinit(void) |
72de2b1a | 468 | { |
dc0a50af | 469 | return platform_driver_register(&tegra_wm8903_driver); |
72de2b1a | 470 | } |
dc0a50af | 471 | module_init(tegra_wm8903_modinit); |
72de2b1a | 472 | |
dc0a50af | 473 | static void __exit tegra_wm8903_modexit(void) |
72de2b1a | 474 | { |
dc0a50af | 475 | platform_driver_unregister(&tegra_wm8903_driver); |
a8bf1ba1 | 476 | } |
dc0a50af | 477 | module_exit(tegra_wm8903_modexit); |
a8bf1ba1 SW |
478 | |
479 | MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>"); | |
dc0a50af | 480 | MODULE_DESCRIPTION("Tegra+WM8903 machine ASoC driver"); |
a8bf1ba1 | 481 | MODULE_LICENSE("GPL"); |
8eb34207 | 482 | MODULE_ALIAS("platform:" DRV_NAME); |