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