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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
24static struct snd_soc_jack lowland_headset;
25
26
27static 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
38static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd)
39{
40 struct snd_soc_component *component = rtd->codec_dai->component;
41 int ret;
42
43 ret = snd_soc_component_set_sysclk(component, 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
52 ret = snd_soc_component_set_sysclk(component, 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_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));
63 if (ret)
64 return ret;
65
66 wm5100_detect(component, &lowland_headset);
67
68 return 0;
69}
70
71static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
72{
73 struct snd_soc_component *component = rtd->codec_dai->component;
74
75 snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT");
76
77
78 return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0,
79 CLKOUT_RATE, 0);
80}
81
82static 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
90static 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",
96 .platform_name = "samsung-i2s.0",
97 .codec_name = "wm5100.1-001a",
98 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
99 SND_SOC_DAIFMT_CBM_CFM,
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",
108 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
109 SND_SOC_DAIFMT_CBM_CFM,
110 .ignore_suspend = 1,
111 },
112 {
113 .name = "Sub Speaker",
114 .stream_name = "Sub Speaker",
115 .cpu_dai_name = "wm5100-aif3",
116 .codec_dai_name = "wm9081-hifi",
117 .codec_name = "wm9081.1-006c",
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,
122 .init = lowland_wm9081_init,
123 },
124};
125
126static struct snd_soc_codec_conf lowland_codec_conf[] = {
127 {
128 .dev_name = "wm9081.1-006c",
129 .name_prefix = "Sub",
130 },
131};
132
133static 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
142static 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
152static 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
161static struct snd_soc_card lowland = {
162 .name = "Lowland",
163 .owner = THIS_MODULE,
164 .dai_link = lowland_dai,
165 .num_links = ARRAY_SIZE(lowland_dai),
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
177static int lowland_probe(struct platform_device *pdev)
178{
179 struct snd_soc_card *card = &lowland;
180 int ret;
181
182 card->dev = &pdev->dev;
183
184 ret = devm_snd_soc_register_card(&pdev->dev, card);
185 if (ret)
186 dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
187 ret);
188
189 return ret;
190}
191
192static struct platform_driver lowland_driver = {
193 .driver = {
194 .name = "lowland",
195 .pm = &snd_soc_pm_ops,
196 },
197 .probe = lowland_probe,
198};
199
200module_platform_driver(lowland_driver);
201
202MODULE_DESCRIPTION("Lowland audio support");
203MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
204MODULE_LICENSE("GPL");
205MODULE_ALIAS("platform:lowland");
206
