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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
26static 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
45static const struct snd_soc_ops imx_mc13783_hifi_ops = {
46 .hw_params = imx_mc13783_hifi_hw_params,
47};
48
49static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
50 {
51 .name = "MC13783",
52 .stream_name = "Sound",
53 .codec_dai_name = "mc13783-hifi",
54 .codec_name = "mc13783-codec",
55 .cpu_dai_name = "imx-ssi.0",
56 .platform_name = "imx-ssi.0",
57 .ops = &imx_mc13783_hifi_ops,
58 .symmetric_rates = 1,
59 .dai_fmt = FMT_SSI,
60 },
61};
62
63static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
64 SND_SOC_DAPM_MIC("Mic", NULL),
65 SND_SOC_DAPM_HP("Headphone", NULL),
66 SND_SOC_DAPM_SPK("Speaker", NULL),
67};
68
69static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
70 {"Speaker", NULL, "LSP"},
71 {"Headphone", NULL, "HSL"},
72 {"Headphone", NULL, "HSR"},
73
74 {"MC1LIN", NULL, "MC1 Bias"},
75 {"MC2IN", NULL, "MC2 Bias"},
76 {"MC1 Bias", NULL, "Mic"},
77 {"MC2 Bias", NULL, "Mic"},
78};
79
80static struct snd_soc_card imx_mc13783 = {
81 .name = "imx_mc13783",
82 .owner = THIS_MODULE,
83 .dai_link = imx_mc13783_dai_mc13783,
84 .num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783),
85 .dapm_widgets = imx_mc13783_widget,
86 .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
87 .dapm_routes = imx_mc13783_routes,
88 .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
89};
90
91static int imx_mc13783_probe(struct platform_device *pdev)
92{
93 int ret;
94
95 imx_mc13783.dev = &pdev->dev;
96
97 ret = snd_soc_register_card(&imx_mc13783);
98 if (ret) {
99 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
100 ret);
101 return ret;
102 }
103
104 if (machine_is_mx31_3ds() || machine_is_mx31moboard()) {
105 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
106 IMX_AUDMUX_V2_PTCR_SYN,
107 IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
108 IMX_AUDMUX_V2_PDCR_MODE(1) |
109 IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
110 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
111 IMX_AUDMUX_V2_PTCR_SYN |
112 IMX_AUDMUX_V2_PTCR_TFSDIR |
113 IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
114 IMX_AUDMUX_V2_PTCR_TCLKDIR |
115 IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
116 IMX_AUDMUX_V2_PTCR_RFSDIR |
117 IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
118 IMX_AUDMUX_V2_PTCR_RCLKDIR |
119 IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
120 IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
121 } else if (machine_is_mx27_3ds()) {
122 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
123 IMX_AUDMUX_V1_PCR_SYN |
124 IMX_AUDMUX_V1_PCR_TFSDIR |
125 IMX_AUDMUX_V1_PCR_TCLKDIR |
126 IMX_AUDMUX_V1_PCR_RFSDIR |
127 IMX_AUDMUX_V1_PCR_RCLKDIR |
128 IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
129 IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
130 IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
131 );
132 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
133 IMX_AUDMUX_V1_PCR_SYN |
134 IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
135 );
136 }
137
138 return ret;
139}
140
141static int imx_mc13783_remove(struct platform_device *pdev)
142{
143 snd_soc_unregister_card(&imx_mc13783);
144
145 return 0;
146}
147
148static struct platform_driver imx_mc13783_audio_driver = {
149 .driver = {
150 .name = "imx_mc13783",
151 },
152 .probe = imx_mc13783_probe,
153 .remove = imx_mc13783_remove
154};
155
156module_platform_driver(imx_mc13783_audio_driver);
157
158MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
159MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
160MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
161MODULE_LICENSE("GPL");
162MODULE_ALIAS("platform:imx_mc13783");
163
