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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 | ||
59 | ret = snd_soc_jack_new(codec, "Headset", | |
60 | SND_JACK_LINEOUT | SND_JACK_HEADSET | | |
61 | SND_JACK_BTN_0, | |
62 | &lowland_headset); | |
63 | if (ret) | |
64 | return ret; | |
65 | ||
66 | ret = snd_soc_jack_add_pins(&lowland_headset, | |
67 | ARRAY_SIZE(lowland_headset_pins), | |
68 | lowland_headset_pins); | |
69 | if (ret) | |
70 | return ret; | |
71 | ||
72 | wm5100_detect(codec, &lowland_headset); | |
73 | ||
74 | return 0; | |
75 | } | |
76 | ||
55b27847 MB |
77 | static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd) |
78 | { | |
79 | struct snd_soc_codec *codec = rtd->codec; | |
80 | ||
81 | snd_soc_dapm_nc_pin(&codec->dapm, "LINEOUT"); | |
82 | ||
83 | /* At any time the WM9081 is active it will have this clock */ | |
84 | return snd_soc_codec_set_sysclk(codec, WM9081_SYSCLK_MCLK, 0, | |
85 | CLKOUT_RATE, 0); | |
86 | } | |
87 | ||
88 | static const struct snd_soc_pcm_stream sub_params = { | |
89 | .formats = SNDRV_PCM_FMTBIT_S32_LE, | |
90 | .rate_min = 44100, | |
91 | .rate_max = 44100, | |
92 | .channels_min = 2, | |
93 | .channels_max = 2, | |
94 | }; | |
95 | ||
abda5dfd MB |
96 | static struct snd_soc_dai_link lowland_dai[] = { |
97 | { | |
98 | .name = "CPU", | |
99 | .stream_name = "CPU", | |
100 | .cpu_dai_name = "samsung-i2s.0", | |
101 | .codec_dai_name = "wm5100-aif1", | |
a08485d8 | 102 | .platform_name = "samsung-i2s.0", |
abda5dfd | 103 | .codec_name = "wm5100.1-001a", |
277b6fda MB |
104 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
105 | SND_SOC_DAIFMT_CBM_CFM, | |
abda5dfd MB |
106 | .init = lowland_wm5100_init, |
107 | }, | |
108 | { | |
109 | .name = "Baseband", | |
110 | .stream_name = "Baseband", | |
111 | .cpu_dai_name = "wm5100-aif2", | |
112 | .codec_dai_name = "wm1250-ev1", | |
113 | .codec_name = "wm1250-ev1.1-0027", | |
277b6fda MB |
114 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
115 | SND_SOC_DAIFMT_CBM_CFM, | |
abda5dfd MB |
116 | .ignore_suspend = 1, |
117 | }, | |
abda5dfd | 118 | { |
55b27847 MB |
119 | .name = "Sub Speaker", |
120 | .stream_name = "Sub Speaker", | |
121 | .cpu_dai_name = "wm5100-aif3", | |
122 | .codec_dai_name = "wm9081-hifi", | |
abda5dfd | 123 | .codec_name = "wm9081.1-006c", |
55b27847 MB |
124 | .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | |
125 | SND_SOC_DAIFMT_CBM_CFM, | |
126 | .ignore_suspend = 1, | |
127 | .params = &sub_params, | |
abda5dfd MB |
128 | .init = lowland_wm9081_init, |
129 | }, | |
130 | }; | |
131 | ||
132 | static struct snd_soc_codec_conf lowland_codec_conf[] = { | |
133 | { | |
134 | .dev_name = "wm9081.1-006c", | |
135 | .name_prefix = "Sub", | |
136 | }, | |
137 | }; | |
138 | ||
139 | static const struct snd_kcontrol_new controls[] = { | |
140 | SOC_DAPM_PIN_SWITCH("Main Speaker"), | |
141 | SOC_DAPM_PIN_SWITCH("Main DMIC"), | |
142 | SOC_DAPM_PIN_SWITCH("Main AMIC"), | |
143 | SOC_DAPM_PIN_SWITCH("WM1250 Input"), | |
144 | SOC_DAPM_PIN_SWITCH("WM1250 Output"), | |
145 | SOC_DAPM_PIN_SWITCH("Headphone"), | |
146 | }; | |
147 | ||
148 | static struct snd_soc_dapm_widget widgets[] = { | |
149 | SND_SOC_DAPM_HP("Headphone", NULL), | |
150 | SND_SOC_DAPM_MIC("Headset Mic", NULL), | |
151 | ||
152 | SND_SOC_DAPM_SPK("Main Speaker", NULL), | |
153 | ||
154 | SND_SOC_DAPM_MIC("Main AMIC", NULL), | |
155 | SND_SOC_DAPM_MIC("Main DMIC", NULL), | |
156 | }; | |
157 | ||
158 | static struct snd_soc_dapm_route audio_paths[] = { | |
159 | { "Sub IN1", NULL, "HPOUT2L" }, | |
160 | { "Sub IN2", NULL, "HPOUT2R" }, | |
161 | ||
162 | { "Main Speaker", NULL, "Sub SPKN" }, | |
163 | { "Main Speaker", NULL, "Sub SPKP" }, | |
164 | { "Main Speaker", NULL, "SPKDAT1" }, | |
165 | }; | |
166 | ||
167 | static struct snd_soc_card lowland = { | |
168 | .name = "Lowland", | |
095d79dc | 169 | .owner = THIS_MODULE, |
abda5dfd MB |
170 | .dai_link = lowland_dai, |
171 | .num_links = ARRAY_SIZE(lowland_dai), | |
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172 | .codec_conf = lowland_codec_conf, |
173 | .num_configs = ARRAY_SIZE(lowland_codec_conf), | |
174 | ||
175 | .controls = controls, | |
176 | .num_controls = ARRAY_SIZE(controls), | |
177 | .dapm_widgets = widgets, | |
178 | .num_dapm_widgets = ARRAY_SIZE(widgets), | |
179 | .dapm_routes = audio_paths, | |
180 | .num_dapm_routes = ARRAY_SIZE(audio_paths), | |
181 | }; | |
182 | ||
fdca21ad | 183 | static int lowland_probe(struct platform_device *pdev) |
abda5dfd MB |
184 | { |
185 | struct snd_soc_card *card = &lowland; | |
186 | int ret; | |
187 | ||
188 | card->dev = &pdev->dev; | |
189 | ||
190 | ret = snd_soc_register_card(card); | |
191 | if (ret) { | |
192 | dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n", | |
193 | ret); | |
194 | return ret; | |
195 | } | |
196 | ||
197 | return 0; | |
198 | } | |
199 | ||
fdca21ad | 200 | static int lowland_remove(struct platform_device *pdev) |
abda5dfd MB |
201 | { |
202 | struct snd_soc_card *card = platform_get_drvdata(pdev); | |
203 | ||
204 | snd_soc_unregister_card(card); | |
205 | ||
206 | return 0; | |
207 | } | |
208 | ||
209 | static struct platform_driver lowland_driver = { | |
210 | .driver = { | |
211 | .name = "lowland", | |
212 | .owner = THIS_MODULE, | |
213 | .pm = &snd_soc_pm_ops, | |
214 | }, | |
215 | .probe = lowland_probe, | |
fdca21ad | 216 | .remove = lowland_remove, |
abda5dfd MB |
217 | }; |
218 | ||
e00c3f55 | 219 | module_platform_driver(lowland_driver); |
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220 | |
221 | MODULE_DESCRIPTION("Lowland audio support"); | |
222 | MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>"); | |
223 | MODULE_LICENSE("GPL"); | |
224 | MODULE_ALIAS("platform:lowland"); |