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6
7#include <sound/soc.h>
8#include <sound/soc-dapm.h>
9#include <sound/jack.h>
10#include <linux/module.h>
11
12#include "../codecs/wm5100.h"
13#include "../codecs/wm9081.h"
14
15#define MCLK1_RATE (44100 * 512)
16#define CLKOUT_RATE (44100 * 256)
17
18static struct snd_soc_jack lowland_headset;
19
20
21static struct snd_soc_jack_pin lowland_headset_pins[] = {
22 {
23 .pin = "Headphone",
24 .mask = SND_JACK_HEADPHONE,
25 },
26 {
27 .pin = "Headset Mic",
28 .mask = SND_JACK_MICROPHONE,
29 },
30 {
31 .pin = "Line Out",
32 .mask = SND_JACK_LINEOUT,
33 },
34};
35
36static int lowland_wm5100_init(struct snd_soc_pcm_runtime *rtd)
37{
38 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
39 int ret;
40
41 ret = snd_soc_component_set_sysclk(component, WM5100_CLK_SYSCLK,
42 WM5100_CLKSRC_MCLK1, MCLK1_RATE,
43 SND_SOC_CLOCK_IN);
44 if (ret < 0) {
45 pr_err("Failed to set SYSCLK clock source: %d\n", ret);
46 return ret;
47 }
48
49
50 ret = snd_soc_component_set_sysclk(component, WM5100_CLK_OPCLK, 0,
51 CLKOUT_RATE, 0);
52 if (ret < 0) {
53 pr_err("Failed to set OPCLK rate: %d\n", ret);
54 return ret;
55 }
56
57 ret = snd_soc_card_jack_new_pins(rtd->card, "Headset",
58 SND_JACK_LINEOUT | SND_JACK_HEADSET |
59 SND_JACK_BTN_0,
60 &lowland_headset, lowland_headset_pins,
61 ARRAY_SIZE(lowland_headset_pins));
62 if (ret)
63 return ret;
64
65 wm5100_detect(component, &lowland_headset);
66
67 return 0;
68}
69
70static int lowland_wm9081_init(struct snd_soc_pcm_runtime *rtd)
71{
72 struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
73
74 snd_soc_dapm_nc_pin(&rtd->card->dapm, "LINEOUT");
75
76
77 return snd_soc_component_set_sysclk(component, WM9081_SYSCLK_MCLK, 0,
78 CLKOUT_RATE, 0);
79}
80
81static const struct snd_soc_pcm_stream sub_params = {
82 .formats = SNDRV_PCM_FMTBIT_S32_LE,
83 .rate_min = 44100,
84 .rate_max = 44100,
85 .channels_min = 2,
86 .channels_max = 2,
87};
88
89SND_SOC_DAILINK_DEFS(cpu,
90 DAILINK_COMP_ARRAY(COMP_CPU("samsung-i2s.0")),
91 DAILINK_COMP_ARRAY(COMP_CODEC("wm5100.1-001a", "wm5100-aif1")),
92 DAILINK_COMP_ARRAY(COMP_PLATFORM("samsung-i2s.0")));
93
94SND_SOC_DAILINK_DEFS(baseband,
95 DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif2")),
96 DAILINK_COMP_ARRAY(COMP_CODEC("wm1250-ev1.1-0027", "wm1250-ev1")));
97
98SND_SOC_DAILINK_DEFS(speaker,
99 DAILINK_COMP_ARRAY(COMP_CPU("wm5100-aif3")),
100 DAILINK_COMP_ARRAY(COMP_CODEC("wm9081.1-006c", "wm9081-hifi")));
101
102static struct snd_soc_dai_link lowland_dai[] = {
103 {
104 .name = "CPU",
105 .stream_name = "CPU",
106 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
107 SND_SOC_DAIFMT_CBP_CFP,
108 .init = lowland_wm5100_init,
109 SND_SOC_DAILINK_REG(cpu),
110 },
111 {
112 .name = "Baseband",
113 .stream_name = "Baseband",
114 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
115 SND_SOC_DAIFMT_CBP_CFP,
116 .ignore_suspend = 1,
117 SND_SOC_DAILINK_REG(baseband),
118 },
119 {
120 .name = "Sub Speaker",
121 .stream_name = "Sub Speaker",
122 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
123 SND_SOC_DAIFMT_CBP_CFP,
124 .ignore_suspend = 1,
125 .c2c_params = &sub_params,
126 .num_c2c_params = 1,
127 .init = lowland_wm9081_init,
128 SND_SOC_DAILINK_REG(speaker),
129 },
130};
131
132static struct snd_soc_codec_conf lowland_codec_conf[] = {
133 {
134 .dlc = COMP_CODEC_CONF("wm9081.1-006c"),
135 .name_prefix = "Sub",
136 },
137};
138
139static 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 SOC_DAPM_PIN_SWITCH("Line Out"),
147};
148
149static const struct snd_soc_dapm_widget widgets[] = {
150 SND_SOC_DAPM_HP("Headphone", NULL),
151 SND_SOC_DAPM_MIC("Headset Mic", NULL),
152 SND_SOC_DAPM_LINE("Line Out", NULL),
153
154 SND_SOC_DAPM_SPK("Main Speaker", NULL),
155
156 SND_SOC_DAPM_MIC("Main AMIC", NULL),
157 SND_SOC_DAPM_MIC("Main DMIC", NULL),
158};
159
160static const struct snd_soc_dapm_route audio_paths[] = {
161 { "Sub IN1", NULL, "HPOUT2L" },
162 { "Sub IN2", NULL, "HPOUT2R" },
163
164 { "Main Speaker", NULL, "Sub SPKN" },
165 { "Main Speaker", NULL, "Sub SPKP" },
166 { "Main Speaker", NULL, "SPKDAT1" },
167};
168
169static struct snd_soc_card lowland = {
170 .name = "Lowland",
171 .owner = THIS_MODULE,
172 .dai_link = lowland_dai,
173 .num_links = ARRAY_SIZE(lowland_dai),
174 .codec_conf = lowland_codec_conf,
175 .num_configs = ARRAY_SIZE(lowland_codec_conf),
176
177 .controls = controls,
178 .num_controls = ARRAY_SIZE(controls),
179 .dapm_widgets = widgets,
180 .num_dapm_widgets = ARRAY_SIZE(widgets),
181 .dapm_routes = audio_paths,
182 .num_dapm_routes = ARRAY_SIZE(audio_paths),
183};
184
185static int lowland_probe(struct platform_device *pdev)
186{
187 struct snd_soc_card *card = &lowland;
188 int ret;
189
190 card->dev = &pdev->dev;
191
192 ret = devm_snd_soc_register_card(&pdev->dev, card);
193 if (ret)
194 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card() failed\n");
195
196 return ret;
197}
198
199static struct platform_driver lowland_driver = {
200 .driver = {
201 .name = "lowland",
202 .pm = &snd_soc_pm_ops,
203 },
204 .probe = lowland_probe,
205};
206
207module_platform_driver(lowland_driver);
208
209MODULE_DESCRIPTION("Lowland audio support");
210MODULE_AUTHOR("Mark Brown <broonie@opensource.wolfsonmicro.com>");
211MODULE_LICENSE("GPL");
212MODULE_ALIAS("platform:lowland");
213
