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Commit | Line | Data |
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58783faf | 1 | /* |
1ae93b9d SW |
2 | * tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver |
3 | * | |
4 | * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net> | |
5 | * | |
6 | * Authors: Leon Romanovsky <leon@leon.nu> | |
7 | * Andrey Danin <danindrey@mail.ru> | |
8 | * Marc Dietrich <marvin24@gmx.de> | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License version 2 as | |
12 | * published by the Free Software Foundation. | |
13 | */ | |
58783faf LR |
14 | |
15 | #include <asm/mach-types.h> | |
16 | ||
17 | #include <linux/module.h> | |
18 | #include <linux/platform_device.h> | |
19 | #include <linux/slab.h> | |
20 | #include <linux/gpio.h> | |
d559f1e5 | 21 | #include <linux/of_gpio.h> |
58783faf LR |
22 | |
23 | #include <sound/core.h> | |
24 | #include <sound/jack.h> | |
25 | #include <sound/pcm.h> | |
26 | #include <sound/pcm_params.h> | |
27 | #include <sound/soc.h> | |
28 | ||
29 | #include "../codecs/alc5632.h" | |
30 | ||
31 | #include "tegra_das.h" | |
32 | #include "tegra_i2s.h" | |
33 | #include "tegra_pcm.h" | |
34 | #include "tegra_asoc_utils.h" | |
35 | ||
36 | #define DRV_NAME "tegra-alc5632" | |
37 | ||
d559f1e5 LR |
38 | #define GPIO_HP_DET BIT(0) |
39 | ||
58783faf LR |
40 | struct tegra_alc5632 { |
41 | struct tegra_asoc_utils_data util_data; | |
b4dc0a75 | 42 | struct platform_device *pcm_dev; |
d559f1e5 LR |
43 | int gpio_requested; |
44 | int gpio_hp_det; | |
58783faf LR |
45 | }; |
46 | ||
47 | static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream, | |
48 | struct snd_pcm_hw_params *params) | |
49 | { | |
50 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
51 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
52 | struct snd_soc_codec *codec = rtd->codec; | |
53 | struct snd_soc_card *card = codec->card; | |
54 | struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card); | |
55 | int srate, mclk; | |
56 | int err; | |
57 | ||
58 | srate = params_rate(params); | |
59 | mclk = 512 * srate; | |
60 | ||
61 | err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk); | |
62 | if (err < 0) { | |
63 | dev_err(card->dev, "Can't configure clocks\n"); | |
64 | return err; | |
65 | } | |
66 | ||
67 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, | |
68 | SND_SOC_CLOCK_IN); | |
69 | if (err < 0) { | |
70 | dev_err(card->dev, "codec_dai clock not set\n"); | |
71 | return err; | |
72 | } | |
73 | ||
74 | return 0; | |
75 | } | |
76 | ||
77 | static struct snd_soc_ops tegra_alc5632_asoc_ops = { | |
78 | .hw_params = tegra_alc5632_asoc_hw_params, | |
79 | }; | |
80 | ||
81 | static struct snd_soc_jack tegra_alc5632_hs_jack; | |
82 | ||
83 | static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = { | |
84 | { | |
85 | .pin = "Headset Mic", | |
86 | .mask = SND_JACK_MICROPHONE, | |
87 | }, | |
88 | { | |
89 | .pin = "Headset Stereophone", | |
90 | .mask = SND_JACK_HEADPHONE, | |
91 | }, | |
92 | }; | |
93 | ||
d559f1e5 LR |
94 | static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = { |
95 | .name = "Headset detection", | |
96 | .report = SND_JACK_HEADSET, | |
97 | .debounce_time = 150, | |
98 | .invert = 1, | |
99 | }; | |
100 | ||
58783faf LR |
101 | static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = { |
102 | SND_SOC_DAPM_SPK("Int Spk", NULL), | |
103 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | |
104 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
dd7d3a24 | 105 | SND_SOC_DAPM_MIC("Digital Mic", NULL), |
58783faf LR |
106 | }; |
107 | ||
58783faf LR |
108 | static const struct snd_kcontrol_new tegra_alc5632_controls[] = { |
109 | SOC_DAPM_PIN_SWITCH("Int Spk"), | |
110 | }; | |
111 | ||
112 | static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd) | |
113 | { | |
114 | struct snd_soc_codec *codec = rtd->codec; | |
115 | struct snd_soc_dapm_context *dapm = &codec->dapm; | |
d559f1e5 LR |
116 | struct device_node *np = codec->card->dev->of_node; |
117 | struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(codec->card); | |
58783faf LR |
118 | |
119 | snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET, | |
120 | &tegra_alc5632_hs_jack); | |
121 | snd_soc_jack_add_pins(&tegra_alc5632_hs_jack, | |
122 | ARRAY_SIZE(tegra_alc5632_hs_jack_pins), | |
123 | tegra_alc5632_hs_jack_pins); | |
124 | ||
d559f1e5 LR |
125 | machine->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0); |
126 | ||
127 | if (gpio_is_valid(machine->gpio_hp_det)) { | |
128 | tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det; | |
129 | snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack, | |
130 | 1, | |
131 | &tegra_alc5632_hp_jack_gpio); | |
132 | machine->gpio_requested |= GPIO_HP_DET; | |
133 | } | |
134 | ||
58783faf LR |
135 | snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1"); |
136 | ||
137 | return 0; | |
138 | } | |
139 | ||
140 | static struct snd_soc_dai_link tegra_alc5632_dai = { | |
141 | .name = "ALC5632", | |
142 | .stream_name = "ALC5632 PCM", | |
58783faf | 143 | .platform_name = "tegra-pcm-audio", |
58783faf LR |
144 | .codec_dai_name = "alc5632-hifi", |
145 | .init = tegra_alc5632_asoc_init, | |
146 | .ops = &tegra_alc5632_asoc_ops, | |
147 | .dai_fmt = SND_SOC_DAIFMT_I2S | |
148 | | SND_SOC_DAIFMT_NB_NF | |
149 | | SND_SOC_DAIFMT_CBS_CFS, | |
150 | }; | |
151 | ||
152 | static struct snd_soc_card snd_soc_tegra_alc5632 = { | |
153 | .name = "tegra-alc5632", | |
b16eaf9f | 154 | .owner = THIS_MODULE, |
58783faf LR |
155 | .dai_link = &tegra_alc5632_dai, |
156 | .num_links = 1, | |
157 | .controls = tegra_alc5632_controls, | |
158 | .num_controls = ARRAY_SIZE(tegra_alc5632_controls), | |
159 | .dapm_widgets = tegra_alc5632_dapm_widgets, | |
160 | .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets), | |
58783faf LR |
161 | .fully_routed = true, |
162 | }; | |
163 | ||
164 | static __devinit int tegra_alc5632_probe(struct platform_device *pdev) | |
165 | { | |
166 | struct snd_soc_card *card = &snd_soc_tegra_alc5632; | |
167 | struct tegra_alc5632 *alc5632; | |
168 | int ret; | |
169 | ||
170 | alc5632 = devm_kzalloc(&pdev->dev, | |
171 | sizeof(struct tegra_alc5632), GFP_KERNEL); | |
172 | if (!alc5632) { | |
173 | dev_err(&pdev->dev, "Can't allocate tegra_alc5632\n"); | |
b4dc0a75 LR |
174 | ret = -ENOMEM; |
175 | goto err; | |
58783faf LR |
176 | } |
177 | ||
58783faf LR |
178 | card->dev = &pdev->dev; |
179 | platform_set_drvdata(pdev, card); | |
180 | snd_soc_card_set_drvdata(card, alc5632); | |
181 | ||
b4dc0a75 LR |
182 | alc5632->pcm_dev = ERR_PTR(-EINVAL); |
183 | ||
184 | if (!(pdev->dev.of_node)) { | |
185 | dev_err(&pdev->dev, "Must be instantiated using device tree\n"); | |
186 | ret = -EINVAL; | |
187 | goto err; | |
188 | } | |
189 | ||
190 | ret = snd_soc_of_parse_card_name(card, "nvidia,model"); | |
191 | if (ret) | |
192 | goto err; | |
193 | ||
194 | ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing"); | |
195 | if (ret) | |
196 | goto err; | |
197 | ||
198 | tegra_alc5632_dai.codec_of_node = of_parse_phandle( | |
199 | pdev->dev.of_node, "nvidia,audio-codec", 0); | |
200 | ||
201 | if (!tegra_alc5632_dai.codec_of_node) { | |
202 | dev_err(&pdev->dev, | |
203 | "Property 'nvidia,audio-codec' missing or invalid\n"); | |
204 | ret = -EINVAL; | |
205 | goto err; | |
206 | } | |
207 | ||
208 | tegra_alc5632_dai.cpu_dai_of_node = of_parse_phandle( | |
209 | pdev->dev.of_node, "nvidia,i2s-controller", 0); | |
210 | if (!tegra_alc5632_dai.cpu_dai_of_node) { | |
211 | dev_err(&pdev->dev, | |
212 | "Property 'nvidia,i2s-controller' missing or invalid\n"); | |
213 | ret = -EINVAL; | |
214 | goto err; | |
215 | } | |
216 | ||
217 | alc5632->pcm_dev = platform_device_register_simple( | |
218 | "tegra-pcm-audio", -1, NULL, 0); | |
219 | if (IS_ERR(alc5632->pcm_dev)) { | |
220 | dev_err(&pdev->dev, | |
221 | "Can't instantiate tegra-pcm-audio\n"); | |
222 | ret = PTR_ERR(alc5632->pcm_dev); | |
223 | goto err; | |
224 | } | |
225 | ||
226 | ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev); | |
227 | if (ret) | |
228 | goto err_unregister; | |
229 | ||
58783faf LR |
230 | ret = snd_soc_register_card(card); |
231 | if (ret) { | |
232 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", | |
233 | ret); | |
b4dc0a75 | 234 | goto err_fini_utils; |
58783faf LR |
235 | } |
236 | ||
237 | return 0; | |
b4dc0a75 LR |
238 | |
239 | err_fini_utils: | |
240 | tegra_asoc_utils_fini(&alc5632->util_data); | |
241 | err_unregister: | |
242 | if (!IS_ERR(alc5632->pcm_dev)) | |
243 | platform_device_unregister(alc5632->pcm_dev); | |
244 | err: | |
245 | return ret; | |
58783faf LR |
246 | } |
247 | ||
248 | static int __devexit tegra_alc5632_remove(struct platform_device *pdev) | |
249 | { | |
250 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
d559f1e5 LR |
251 | struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card); |
252 | ||
253 | if (machine->gpio_requested & GPIO_HP_DET) | |
254 | snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack, | |
255 | 1, | |
256 | &tegra_alc5632_hp_jack_gpio); | |
257 | machine->gpio_requested = 0; | |
58783faf LR |
258 | |
259 | snd_soc_unregister_card(card); | |
260 | ||
d559f1e5 LR |
261 | tegra_asoc_utils_fini(&machine->util_data); |
262 | if (!IS_ERR(machine->pcm_dev)) | |
263 | platform_device_unregister(machine->pcm_dev); | |
58783faf LR |
264 | |
265 | return 0; | |
266 | } | |
267 | ||
b4dc0a75 LR |
268 | static const struct of_device_id tegra_alc5632_of_match[] __devinitconst = { |
269 | { .compatible = "nvidia,tegra-audio-alc5632", }, | |
270 | {}, | |
271 | }; | |
272 | ||
58783faf LR |
273 | static struct platform_driver tegra_alc5632_driver = { |
274 | .driver = { | |
275 | .name = DRV_NAME, | |
276 | .owner = THIS_MODULE, | |
277 | .pm = &snd_soc_pm_ops, | |
b4dc0a75 | 278 | .of_match_table = tegra_alc5632_of_match, |
58783faf LR |
279 | }, |
280 | .probe = tegra_alc5632_probe, | |
281 | .remove = __devexit_p(tegra_alc5632_remove), | |
282 | }; | |
283 | module_platform_driver(tegra_alc5632_driver); | |
284 | ||
285 | MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>"); | |
286 | MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver"); | |
287 | MODULE_LICENSE("GPL"); | |
288 | MODULE_ALIAS("platform:" DRV_NAME); | |
b4dc0a75 | 289 | MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match); |