Merge tag 'locks-v3.16-2' of git://git.samba.org/jlayton/linux
[linux/fpc-iii.git] / sound / soc / fsl / imx-mc13783.c
bloba2fd7321b5a9a1bbd321f756af14fd9f071a372f
1 /*
2 * imx-mc13783.c -- SoC audio for imx based boards with mc13783 codec
4 * Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch>
6 * Heavly based on phycore-mc13783:
7 * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
16 #include <linux/module.h>
17 #include <linux/moduleparam.h>
18 #include <linux/device.h>
19 #include <sound/core.h>
20 #include <sound/pcm.h>
21 #include <sound/soc.h>
22 #include <sound/soc-dapm.h>
23 #include <asm/mach-types.h>
25 #include "../codecs/mc13783.h"
26 #include "imx-ssi.h"
27 #include "imx-audmux.h"
29 #define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \
30 SND_SOC_DAIFMT_CBM_CFM)
32 static int imx_mc13783_hifi_hw_params(struct snd_pcm_substream *substream,
33 struct snd_pcm_hw_params *params)
35 struct snd_soc_pcm_runtime *rtd = substream->private_data;
36 struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
37 struct snd_soc_dai *codec_dai = rtd->codec_dai;
38 int ret;
40 ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xfffffffc, 0xfffffffc,
41 4, 16);
42 if (ret)
43 return ret;
45 ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0);
46 if (ret)
47 return ret;
49 ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x0, 0xfffffffc, 2, 16);
50 if (ret)
51 return ret;
53 return 0;
56 static struct snd_soc_ops imx_mc13783_hifi_ops = {
57 .hw_params = imx_mc13783_hifi_hw_params,
60 static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = {
62 .name = "MC13783",
63 .stream_name = "Sound",
64 .codec_dai_name = "mc13783-hifi",
65 .codec_name = "mc13783-codec",
66 .cpu_dai_name = "imx-ssi.0",
67 .platform_name = "imx-ssi.0",
68 .ops = &imx_mc13783_hifi_ops,
69 .symmetric_rates = 1,
70 .dai_fmt = FMT_SSI,
74 static const struct snd_soc_dapm_widget imx_mc13783_widget[] = {
75 SND_SOC_DAPM_MIC("Mic", NULL),
76 SND_SOC_DAPM_HP("Headphone", NULL),
77 SND_SOC_DAPM_SPK("Speaker", NULL),
80 static const struct snd_soc_dapm_route imx_mc13783_routes[] = {
81 {"Speaker", NULL, "LSP"},
82 {"Headphone", NULL, "HSL"},
83 {"Headphone", NULL, "HSR"},
85 {"MC1LIN", NULL, "MC1 Bias"},
86 {"MC2IN", NULL, "MC2 Bias"},
87 {"MC1 Bias", NULL, "Mic"},
88 {"MC2 Bias", NULL, "Mic"},
91 static struct snd_soc_card imx_mc13783 = {
92 .name = "imx_mc13783",
93 .owner = THIS_MODULE,
94 .dai_link = imx_mc13783_dai_mc13783,
95 .num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783),
96 .dapm_widgets = imx_mc13783_widget,
97 .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget),
98 .dapm_routes = imx_mc13783_routes,
99 .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes),
102 static int imx_mc13783_probe(struct platform_device *pdev)
104 int ret;
106 imx_mc13783.dev = &pdev->dev;
108 ret = snd_soc_register_card(&imx_mc13783);
109 if (ret) {
110 dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
111 ret);
112 return ret;
115 if (machine_is_mx31_3ds() || machine_is_mx31moboard()) {
116 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4,
117 IMX_AUDMUX_V2_PTCR_SYN,
118 IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) |
119 IMX_AUDMUX_V2_PDCR_MODE(1) |
120 IMX_AUDMUX_V2_PDCR_INMMASK(0xfc));
121 imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0,
122 IMX_AUDMUX_V2_PTCR_SYN |
123 IMX_AUDMUX_V2_PTCR_TFSDIR |
124 IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
125 IMX_AUDMUX_V2_PTCR_TCLKDIR |
126 IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
127 IMX_AUDMUX_V2_PTCR_RFSDIR |
128 IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) |
129 IMX_AUDMUX_V2_PTCR_RCLKDIR |
130 IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4),
131 IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4));
132 } else if (machine_is_mx27_3ds()) {
133 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
134 IMX_AUDMUX_V1_PCR_SYN |
135 IMX_AUDMUX_V1_PCR_TFSDIR |
136 IMX_AUDMUX_V1_PCR_TCLKDIR |
137 IMX_AUDMUX_V1_PCR_RFSDIR |
138 IMX_AUDMUX_V1_PCR_RCLKDIR |
139 IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
140 IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
141 IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
143 imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
144 IMX_AUDMUX_V1_PCR_SYN |
145 IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
149 return ret;
152 static int imx_mc13783_remove(struct platform_device *pdev)
154 snd_soc_unregister_card(&imx_mc13783);
156 return 0;
159 static struct platform_driver imx_mc13783_audio_driver = {
160 .driver = {
161 .name = "imx_mc13783",
162 .owner = THIS_MODULE,
164 .probe = imx_mc13783_probe,
165 .remove = imx_mc13783_remove
168 module_platform_driver(imx_mc13783_audio_driver);
170 MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
171 MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch");
172 MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver");
173 MODULE_LICENSE("GPL");
174 MODULE_ALIAS("platform:imx_mc13783");