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abda5dfd MB |
1 | /* |
2 | * Lowland audio support | |
3 | * | |
4 | * Copyright 2011 Wolfson Microelectronics | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms of the GNU General Public License as published by the | |
8 | * Free Software Foundation; either version 2 of the License, or (at your | |
9 | * option) any later version. | |
10 | */ | |
11 | ||
12 | #include <sound/soc.h> | |
13 | #include <sound/soc-dapm.h> | |
14 | #include <sound/jack.h> | |
15 | #include <linux/gpio.h> | |
16 | #include <linux/module.h> | |
17 | ||
18 | #include "../codecs/wm5100.h" | |
19 | #include "../codecs/wm9081.h" | |
20 | ||
21 | #define MCLK1_RATE (44100 * 512) | |
22 | #define CLKOUT_RATE (44100 * 256) | |
23 | ||
abda5dfd MB |
24 | static struct snd_soc_jack lowland_headset; |
25 | ||
26 | /* Headset jack detection DAPM pins */ | |
27 | static struct snd_soc_jack_pin lowland_headset_pins[] = { | |
28 | { | |
29 | .pin = "Headphone", | |
30 | .mask = SND_JACK_HEADPHONE | SND_JACK_LINEOUT, | |
31 | }, | |
32 | { | |
33 | .pin = "Headset Mic", | |
34 | .mask = SND_JACK_MICROPHONE, | |
35 | }, | |
36 | }; | |
37 | ||
38 | static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd) | |
39 | { | |
40 | struct snd_soc_codec *codec = rtd->codec; | |
41 | int ret; | |
42 | ||
43 | ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_SYSCLK, | |
44 | WM5100_CLKSRC_MCLK1, MCLK1_RATE, | |
45 | SND_SOC_CLOCK_IN); | |
46 | if (ret < 0) { | |
47 | pr_err("Failed to set SYSCLK clock source: %d\n", ret); | |
48 | return ret; | |
49 | } | |
50 | ||
51 | /* Clock OPCLK, used by the other audio components. */ | |
52 | ret = snd_soc_codec_set_sysclk(codec, WM5100_CLK_OPCLK, 0, | |
53 | CLKOUT_RATE, 0); | |
54 | if (ret < 0) { | |
55 | pr_err("Failed to set OPCLK rate: %d\n", ret); | |
56 | return ret; | |
57 | } | |
58 | ||
f97e0eac LPC |
59 | ret = snd_soc_card_jack_new(rtd->card, "Headset", SND_JACK_LINEOUT | |
60 | SND_JACK_HEADSET | SND_JACK_BTN_0, | |
61 | &lowland_headset, lowland_headset_pins, | |
62 | ARRAY_SIZE(lowland_headset_pins)); | |
abda5dfd MB |
63 | if (ret) |
64 | return ret; | |
65 | ||
66 | wm5100_detect(codec, &lowland_headset); | |
67 | ||
68 | return 0; | |
69 | } | |
70 | ||
55b27847 MB |
71 | static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd) |
72 | { | |
73 | struct snd_soc_codec *codec = rtd->codec; | |
74 | ||
239ad6a1 | 75 | snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT"); |
55b27847 MB |
76 | |
77 | /* At any time the WM9081 is active it will have this clock */ | |
78 | return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0, | |
79 | CLKOUT_RATE, 0); | |
80 | } | |
81 | ||
82 | static const struct snd_soc_pcm_stream sub_params = { | |
83 | .formats = SNDRV_PCM_FMTBIT_S32_LE, | |
84 | .rate_min = 44100, | |
85 | .rate_max = 44100, | |
86 | .channels_min = 2, | |
87 | .channels_max = 2, | |
88 | }; | |
89 | ||
abda5dfd MB |
90 | static struct snd_soc_dai_link lowland_dai[] = { |
91 | { | |
92 | .name = "CPU", | |
93 | .stream_name = "CPU", | |
94 | .cpu_dai_name = "samsung-i2s.0", | |
95 | .codec_dai_name = "wm5100-aif1", | |
a08485d8 | 96 | .platform_name = "samsung-i2s.0", |
abda5dfd | 97 | .codec_name = "wm5100.1-001a", |
277b6fda MB |
98 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
99 | SND_SOC_DAIFMT_CBM_CFM, | |
abda5dfd MB |
100 | .init = lowland_wm5100_init, |
101 | }, | |
102 | { | |
103 | .name = "Baseband", | |
104 | .stream_name = "Baseband", | |
105 | .cpu_dai_name = "wm5100-aif2", | |
106 | .codec_dai_name = "wm1250-ev1", | |
107 | .codec_name = "wm1250-ev1.1-0027", | |
277b6fda MB |
108 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
109 | SND_SOC_DAIFMT_CBM_CFM, | |
abda5dfd MB |
110 | .ignore_suspend = 1, |
111 | }, | |
abda5dfd | 112 | { |
55b27847 MB |
113 | .name = "Sub Speaker", |
114 | .stream_name = "Sub Speaker", | |
115 | .cpu_dai_name = "wm5100-aif3", | |
116 | .codec_dai_name = "wm9081-hifi", | |
abda5dfd | 117 | .codec_name = "wm9081.1-006c", |
55b27847 MB |
118 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
119 | SND_SOC_DAIFMT_CBM_CFM, | |
120 | .ignore_suspend = 1, | |
121 | .params = &sub_params, | |
abda5dfd MB |
122 | .init = lowland_wm9081_init, |
123 | }, | |
124 | }; | |
125 | ||
126 | static struct snd_soc_codec_conf lowland_codec_conf[] = { | |
127 | { | |
128 | .dev_name = "wm9081.1-006c", | |
129 | .name_prefix = "Sub", | |
130 | }, | |
131 | }; | |
132 | ||
133 | static const struct snd_kcontrol_new controls[] = { | |
134 | SOC_DAPM_PIN_SWITCH("Main Speaker"), | |
135 | SOC_DAPM_PIN_SWITCH("Main DMIC"), | |
136 | SOC_DAPM_PIN_SWITCH("Main AMIC"), | |
137 | SOC_DAPM_PIN_SWITCH("WM1250 Input"), | |
138 | SOC_DAPM_PIN_SWITCH("WM1250 Output"), | |
139 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
140 | }; | |
141 | ||
142 | static struct snd_soc_dapm_widget widgets[] = { | |
143 | SND_SOC_DAPM_HP("Headphone", NULL), | |
144 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
145 | ||
146 | SND_SOC_DAPM_SPK("Main Speaker", NULL), | |
147 | ||
148 | SND_SOC_DAPM_MIC("Main AMIC", NULL), | |
149 | SND_SOC_DAPM_MIC("Main DMIC", NULL), | |
150 | }; | |
151 | ||
152 | static struct snd_soc_dapm_route audio_paths[] = { | |
153 | { "Sub IN1", NULL, "HPOUT2L" }, | |
154 | { "Sub IN2", NULL, "HPOUT2R" }, | |
155 | ||
156 | { "Main Speaker", NULL, "Sub SPKN" }, | |
157 | { "Main Speaker", NULL, "Sub SPKP" }, | |
158 | { "Main Speaker", NULL, "SPKDAT1" }, | |
159 | }; | |
160 | ||
161 | static struct snd_soc_card lowland = { | |
162 | .name = "Lowland", | |
095d79dc | 163 | .owner = THIS_MODULE, |
abda5dfd MB |
164 | .dai_link = lowland_dai, |
165 | .num_links = ARRAY_SIZE(lowland_dai), | |
abda5dfd MB |
166 | .codec_conf = lowland_codec_conf, |
167 | .num_configs = ARRAY_SIZE(lowland_codec_conf), | |
168 | ||
169 | .controls = controls, | |
170 | .num_controls = ARRAY_SIZE(controls), | |
171 | .dapm_widgets = widgets, | |
172 | .num_dapm_widgets = ARRAY_SIZE(widgets), | |
173 | .dapm_routes = audio_paths, | |
174 | .num_dapm_routes = ARRAY_SIZE(audio_paths), | |
175 | }; | |
176 | ||
fdca21ad | 177 | static int lowland_probe(struct platform_device *pdev) |
abda5dfd MB |
178 | { |
179 | struct snd_soc_card *card = &lowland; | |
180 | int ret; | |
181 | ||
182 | card->dev = &pdev->dev; | |
183 | ||
c583883e TB |
184 | ret = devm_snd_soc_register_card(&pdev->dev, card); |
185 | if (ret) | |
abda5dfd MB |
186 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", |
187 | ret); | |
abda5dfd | 188 | |
c583883e | 189 | return ret; |
abda5dfd MB |
190 | } |
191 | ||
192 | static struct platform_driver lowland_driver = { | |
193 | .driver = { | |
194 | .name = "lowland", | |
abda5dfd MB |
195 | .pm = &snd_soc_pm_ops, |
196 | }, | |
197 | .probe = lowland_probe, | |
abda5dfd MB |
198 | }; |
199 | ||
e00c3f55 | 200 | module_platform_driver(lowland_driver); |
abda5dfd MB |
201 | |
202 | MODULE_DESCRIPTION("Lowland audio support"); | |
203 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
204 | MODULE_LICENSE("GPL"); | |
205 | MODULE_ALIAS("platform:lowland"); |