Commit | Line | Data |
---|---|---|
58783faf | 1 | /* |
aef9a37c | 2 | * tegra_alc5632.c -- Toshiba AC100(PAZ00) machine ASoC driver |
1ae93b9d SW |
3 | * |
4 | * Copyright (C) 2011 The AC100 Kernel Team <ac100@lists.lauchpad.net> | |
518de86b | 5 | * Copyright (C) 2012 - NVIDIA, Inc. |
1ae93b9d SW |
6 | * |
7 | * Authors: Leon Romanovsky <leon@leon.nu> | |
8 | * Andrey Danin <danindrey@mail.ru> | |
9 | * Marc Dietrich <marvin24@gmx.de> | |
10 | * | |
11 | * This program is free software; you can redistribute it and/or modify | |
12 | * it under the terms of the GNU General Public License version 2 as | |
13 | * published by the Free Software Foundation. | |
14 | */ | |
58783faf | 15 | |
58783faf LR |
16 | #include <linux/module.h> |
17 | #include <linux/platform_device.h> | |
18 | #include <linux/slab.h> | |
19 | #include <linux/gpio.h> | |
d559f1e5 | 20 | #include <linux/of_gpio.h> |
58783faf LR |
21 | |
22 | #include <sound/core.h> | |
23 | #include <sound/jack.h> | |
24 | #include <sound/pcm.h> | |
25 | #include <sound/pcm_params.h> | |
26 | #include <sound/soc.h> | |
27 | ||
28 | #include "../codecs/alc5632.h" | |
29 | ||
58783faf LR |
30 | #include "tegra_asoc_utils.h" |
31 | ||
32 | #define DRV_NAME "tegra-alc5632" | |
33 | ||
34 | struct tegra_alc5632 { | |
35 | struct tegra_asoc_utils_data util_data; | |
d559f1e5 | 36 | int gpio_hp_det; |
58783faf LR |
37 | }; |
38 | ||
39 | static int tegra_alc5632_asoc_hw_params(struct snd_pcm_substream *substream, | |
40 | struct snd_pcm_hw_params *params) | |
41 | { | |
42 | struct snd_soc_pcm_runtime *rtd = substream->private_data; | |
43 | struct snd_soc_dai *codec_dai = rtd->codec_dai; | |
093c4e5c | 44 | struct snd_soc_card *card = rtd->card; |
58783faf LR |
45 | struct tegra_alc5632 *alc5632 = snd_soc_card_get_drvdata(card); |
46 | int srate, mclk; | |
47 | int err; | |
48 | ||
49 | srate = params_rate(params); | |
50 | mclk = 512 * srate; | |
51 | ||
52 | err = tegra_asoc_utils_set_rate(&alc5632->util_data, srate, mclk); | |
53 | if (err < 0) { | |
54 | dev_err(card->dev, "Can't configure clocks\n"); | |
55 | return err; | |
56 | } | |
57 | ||
58 | err = snd_soc_dai_set_sysclk(codec_dai, 0, mclk, | |
59 | SND_SOC_CLOCK_IN); | |
60 | if (err < 0) { | |
61 | dev_err(card->dev, "codec_dai clock not set\n"); | |
62 | return err; | |
63 | } | |
64 | ||
65 | return 0; | |
66 | } | |
67 | ||
68 | static struct snd_soc_ops tegra_alc5632_asoc_ops = { | |
69 | .hw_params = tegra_alc5632_asoc_hw_params, | |
70 | }; | |
71 | ||
72 | static struct snd_soc_jack tegra_alc5632_hs_jack; | |
73 | ||
74 | static struct snd_soc_jack_pin tegra_alc5632_hs_jack_pins[] = { | |
75 | { | |
76 | .pin = "Headset Mic", | |
77 | .mask = SND_JACK_MICROPHONE, | |
78 | }, | |
79 | { | |
80 | .pin = "Headset Stereophone", | |
81 | .mask = SND_JACK_HEADPHONE, | |
82 | }, | |
83 | }; | |
84 | ||
d559f1e5 LR |
85 | static struct snd_soc_jack_gpio tegra_alc5632_hp_jack_gpio = { |
86 | .name = "Headset detection", | |
87 | .report = SND_JACK_HEADSET, | |
88 | .debounce_time = 150, | |
d559f1e5 LR |
89 | }; |
90 | ||
58783faf LR |
91 | static const struct snd_soc_dapm_widget tegra_alc5632_dapm_widgets[] = { |
92 | SND_SOC_DAPM_SPK("Int Spk", NULL), | |
93 | SND_SOC_DAPM_HP("Headset Stereophone", NULL), | |
94 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
dd7d3a24 | 95 | SND_SOC_DAPM_MIC("Digital Mic", NULL), |
58783faf LR |
96 | }; |
97 | ||
58783faf LR |
98 | static const struct snd_kcontrol_new tegra_alc5632_controls[] = { |
99 | SOC_DAPM_PIN_SWITCH("Int Spk"), | |
100 | }; | |
101 | ||
102 | static int tegra_alc5632_asoc_init(struct snd_soc_pcm_runtime *rtd) | |
103 | { | |
40db77a0 SW |
104 | struct snd_soc_dai *codec_dai = rtd->codec_dai; |
105 | struct snd_soc_codec *codec = codec_dai->codec; | |
58783faf | 106 | struct snd_soc_dapm_context *dapm = &codec->dapm; |
093c4e5c | 107 | struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(rtd->card); |
58783faf LR |
108 | |
109 | snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET, | |
110 | &tegra_alc5632_hs_jack); | |
111 | snd_soc_jack_add_pins(&tegra_alc5632_hs_jack, | |
112 | ARRAY_SIZE(tegra_alc5632_hs_jack_pins), | |
113 | tegra_alc5632_hs_jack_pins); | |
114 | ||
d559f1e5 LR |
115 | if (gpio_is_valid(machine->gpio_hp_det)) { |
116 | tegra_alc5632_hp_jack_gpio.gpio = machine->gpio_hp_det; | |
117 | snd_soc_jack_add_gpios(&tegra_alc5632_hs_jack, | |
118 | 1, | |
119 | &tegra_alc5632_hp_jack_gpio); | |
d559f1e5 LR |
120 | } |
121 | ||
58783faf LR |
122 | snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1"); |
123 | ||
124 | return 0; | |
125 | } | |
126 | ||
fb6b8e71 SW |
127 | static int tegra_alc5632_card_remove(struct snd_soc_card *card) |
128 | { | |
129 | struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card); | |
130 | ||
131 | if (gpio_is_valid(machine->gpio_hp_det)) { | |
132 | snd_soc_jack_free_gpios(&tegra_alc5632_hs_jack, 1, | |
133 | &tegra_alc5632_hp_jack_gpio); | |
134 | } | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
58783faf LR |
139 | static struct snd_soc_dai_link tegra_alc5632_dai = { |
140 | .name = "ALC5632", | |
141 | .stream_name = "ALC5632 PCM", | |
58783faf LR |
142 | .codec_dai_name = "alc5632-hifi", |
143 | .init = tegra_alc5632_asoc_init, | |
144 | .ops = &tegra_alc5632_asoc_ops, | |
145 | .dai_fmt = SND_SOC_DAIFMT_I2S | |
146 | | SND_SOC_DAIFMT_NB_NF | |
147 | | SND_SOC_DAIFMT_CBS_CFS, | |
148 | }; | |
149 | ||
150 | static struct snd_soc_card snd_soc_tegra_alc5632 = { | |
151 | .name = "tegra-alc5632", | |
b16eaf9f | 152 | .owner = THIS_MODULE, |
fb6b8e71 | 153 | .remove = tegra_alc5632_card_remove, |
58783faf LR |
154 | .dai_link = &tegra_alc5632_dai, |
155 | .num_links = 1, | |
156 | .controls = tegra_alc5632_controls, | |
157 | .num_controls = ARRAY_SIZE(tegra_alc5632_controls), | |
158 | .dapm_widgets = tegra_alc5632_dapm_widgets, | |
159 | .num_dapm_widgets = ARRAY_SIZE(tegra_alc5632_dapm_widgets), | |
58783faf LR |
160 | .fully_routed = true, |
161 | }; | |
162 | ||
4652a0d0 | 163 | static int tegra_alc5632_probe(struct platform_device *pdev) |
58783faf | 164 | { |
aef9a37c | 165 | struct device_node *np = pdev->dev.of_node; |
58783faf LR |
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"); | |
f726536f | 174 | return -ENOMEM; |
58783faf LR |
175 | } |
176 | ||
58783faf LR |
177 | card->dev = &pdev->dev; |
178 | platform_set_drvdata(pdev, card); | |
179 | snd_soc_card_set_drvdata(card, alc5632); | |
180 | ||
aef9a37c | 181 | alc5632->gpio_hp_det = of_get_named_gpio(np, "nvidia,hp-det-gpios", 0); |
bbfc3280 | 182 | if (alc5632->gpio_hp_det == -EPROBE_DEFER) |
aef9a37c SW |
183 | return -EPROBE_DEFER; |
184 | ||
b4dc0a75 LR |
185 | ret = snd_soc_of_parse_card_name(card, "nvidia,model"); |
186 | if (ret) | |
187 | goto err; | |
188 | ||
189 | ret = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing"); | |
190 | if (ret) | |
191 | goto err; | |
192 | ||
193 | tegra_alc5632_dai.codec_of_node = of_parse_phandle( | |
194 | pdev->dev.of_node, "nvidia,audio-codec", 0); | |
195 | ||
196 | if (!tegra_alc5632_dai.codec_of_node) { | |
197 | dev_err(&pdev->dev, | |
198 | "Property 'nvidia,audio-codec' missing or invalid\n"); | |
199 | ret = -EINVAL; | |
200 | goto err; | |
201 | } | |
202 | ||
f726536f SW |
203 | tegra_alc5632_dai.cpu_of_node = of_parse_phandle(np, |
204 | "nvidia,i2s-controller", 0); | |
bc92657a | 205 | if (!tegra_alc5632_dai.cpu_of_node) { |
b4dc0a75 | 206 | dev_err(&pdev->dev, |
f726536f | 207 | "Property 'nvidia,i2s-controller' missing or invalid\n"); |
b4dc0a75 LR |
208 | ret = -EINVAL; |
209 | goto err; | |
210 | } | |
211 | ||
bc92657a | 212 | tegra_alc5632_dai.platform_of_node = tegra_alc5632_dai.cpu_of_node; |
b4dc0a75 LR |
213 | |
214 | ret = tegra_asoc_utils_init(&alc5632->util_data, &pdev->dev); | |
215 | if (ret) | |
518de86b | 216 | goto err; |
b4dc0a75 | 217 | |
58783faf LR |
218 | ret = snd_soc_register_card(card); |
219 | if (ret) { | |
220 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", | |
221 | ret); | |
b4dc0a75 | 222 | goto err_fini_utils; |
58783faf LR |
223 | } |
224 | ||
225 | return 0; | |
b4dc0a75 LR |
226 | |
227 | err_fini_utils: | |
228 | tegra_asoc_utils_fini(&alc5632->util_data); | |
b4dc0a75 LR |
229 | err: |
230 | return ret; | |
58783faf LR |
231 | } |
232 | ||
4652a0d0 | 233 | static int tegra_alc5632_remove(struct platform_device *pdev) |
58783faf LR |
234 | { |
235 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
d559f1e5 LR |
236 | struct tegra_alc5632 *machine = snd_soc_card_get_drvdata(card); |
237 | ||
58783faf LR |
238 | snd_soc_unregister_card(card); |
239 | ||
d559f1e5 | 240 | tegra_asoc_utils_fini(&machine->util_data); |
58783faf LR |
241 | |
242 | return 0; | |
243 | } | |
244 | ||
f6e65744 | 245 | static const struct of_device_id tegra_alc5632_of_match[] = { |
b4dc0a75 LR |
246 | { .compatible = "nvidia,tegra-audio-alc5632", }, |
247 | {}, | |
248 | }; | |
249 | ||
58783faf LR |
250 | static struct platform_driver tegra_alc5632_driver = { |
251 | .driver = { | |
252 | .name = DRV_NAME, | |
58783faf | 253 | .pm = &snd_soc_pm_ops, |
b4dc0a75 | 254 | .of_match_table = tegra_alc5632_of_match, |
58783faf LR |
255 | }, |
256 | .probe = tegra_alc5632_probe, | |
4652a0d0 | 257 | .remove = tegra_alc5632_remove, |
58783faf LR |
258 | }; |
259 | module_platform_driver(tegra_alc5632_driver); | |
260 | ||
261 | MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>"); | |
262 | MODULE_DESCRIPTION("Tegra+ALC5632 machine ASoC driver"); | |
263 | MODULE_LICENSE("GPL"); | |
264 | MODULE_ALIAS("platform:" DRV_NAME); | |
b4dc0a75 | 265 | MODULE_DEVICE_TABLE(of, tegra_alc5632_of_match); |