This source file includes following definitions.
- imx_mc13783_hifi_hw_params
- imx_mc13783_probe
- imx_mc13783_remove
1
2
3
4
5
6
7
8
9
10 #include <linux/module.h>
11 #include <linux/moduleparam.h>
12 #include <linux/device.h>
13 #include <sound/core.h>
14 #include <sound/pcm.h>
15 #include <sound/soc.h>
16 #include <sound/soc-dapm.h>
17 #include <asm/mach-types.h>
18
19 #include "../codecs/mc13783.h"
20 #include "imx-ssi.h"
21 #include "imx-audmux.h"
22
23 #define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
24 SND_SOC_DAIFMT_CBM_CFM)
25
26 static int imx_mc13783_hifi_hw_params(struct snd_pcm_substream *substream,
27 struct snd_pcm_hw_params *params)
28 {
29 struct snd_soc_pcm_runtime *rtd = substream->private_data;
30 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
31 struct snd_soc_dai *codec_dai = rtd->codec_dai;
32 int ret;
33
34 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x3, 0x3, 4, 16);
35 if (ret)
36 return ret;
37
38 ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
39 if (ret)
40 return ret;
41
42 return snd_soc_dai_set_tdm_slot(cpu_dai, 0x3, 0x3, 2, 16);
43 }
44
45 static const struct snd_soc_ops imx_mc13783_hifi_ops = {
46 .hw_params = imx_mc13783_hifi_hw_params,
47 };
48
49 SND_SOC_DAILINK_DEFS(hifi,
50 DAILINK_COMP_ARRAY(COMP_CPU("imx-ssi.0")),
51 DAILINK_COMP_ARRAY(COMP_CODEC("mc13783-codec", "mc13783-hifi")),
52 DAILINK_COMP_ARRAY(COMP_PLATFORM("imx-ssi.0")));
53
54 static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
55 {
56 .name = "MC13783",
57 .stream_name = "Sound",
58 .ops = &imx_mc13783_hifi_ops,
59 .symmetric_rates = 1,
60 .dai_fmt = FMT_SSI,
61 SND_SOC_DAILINK_REG(hifi),
62 },
63 };
64
65 static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
66 SND_SOC_DAPM_MIC("Mic", NULL),
67 SND_SOC_DAPM_HP("Headphone", NULL),
68 SND_SOC_DAPM_SPK("Speaker", NULL),
69 };
70
71 static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
72 {"Speaker", NULL, "LSP"},
73 {"Headphone", NULL, "HSL"},
74 {"Headphone", NULL, "HSR"},
75
76 {"MC1LIN", NULL, "MC1 Bias"},
77 {"MC2IN", NULL, "MC2 Bias"},
78 {"MC1 Bias", NULL, "Mic"},
79 {"MC2 Bias", NULL, "Mic"},
80 };
81
82 static struct snd_soc_card imx_mc13783 = {
83 .name = "imx_mc13783",
84 .owner = THIS_MODULE,
85 .dai_link = imx_mc13783_dai_mc13783,
86 .num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783),
87 .dapm_widgets = imx_mc13783_widget,
88 .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
89 .dapm_routes = imx_mc13783_routes,
90 .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
91 };
92
93 static int imx_mc13783_probe(struct platform_device *pdev)
94 {
95 int ret;
96
97 imx_mc13783.dev = &pdev->dev;
98
99 ret = snd_soc_register_card(&imx_mc13783);
100 if (ret) {
101 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
102 ret);
103 return ret;
104 }
105
106 if (machine_is_mx31_3ds() || machine_is_mx31moboard()) {
107 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
108 IMX_AUDMUX_V2_PTCR_SYN,
109 IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
110 IMX_AUDMUX_V2_PDCR_MODE(1) |
111 IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
112 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
113 IMX_AUDMUX_V2_PTCR_SYN |
114 IMX_AUDMUX_V2_PTCR_TFSDIR |
115 IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
116 IMX_AUDMUX_V2_PTCR_TCLKDIR |
117 IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
118 IMX_AUDMUX_V2_PTCR_RFSDIR |
119 IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
120 IMX_AUDMUX_V2_PTCR_RCLKDIR |
121 IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
122 IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
123 } else if (machine_is_mx27_3ds()) {
124 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
125 IMX_AUDMUX_V1_PCR_SYN |
126 IMX_AUDMUX_V1_PCR_TFSDIR |
127 IMX_AUDMUX_V1_PCR_TCLKDIR |
128 IMX_AUDMUX_V1_PCR_RFSDIR |
129 IMX_AUDMUX_V1_PCR_RCLKDIR |
130 IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
131 IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
132 IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
133 );
134 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
135 IMX_AUDMUX_V1_PCR_SYN |
136 IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
137 );
138 }
139
140 return ret;
141 }
142
143 static int imx_mc13783_remove(struct platform_device *pdev)
144 {
145 snd_soc_unregister_card(&imx_mc13783);
146
147 return 0;
148 }
149
150 static struct platform_driver imx_mc13783_audio_driver = {
151 .driver = {
152 .name = "imx_mc13783",
153 },
154 .probe = imx_mc13783_probe,
155 .remove = imx_mc13783_remove
156 };
157
158 module_platform_driver(imx_mc13783_audio_driver);
159
160 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
161 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
162 MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
163 MODULE_LICENSE("GPL");
164 MODULE_ALIAS("platform:imx_mc13783");