projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 6b0a795a PR |
1 | /* |
| 2 | * imx-mc13783.c -- SoC audio for imx based boards with mc13783 codec | |
| 3 | * | |
| 4 | * Copyright 2012 Philippe Retornaz, <philippe.retornaz@epfl.ch> | |
| 5 | * | |
| 6 | * Heavly based on phycore-mc13783: | |
| 7 | * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> | |
| 8 | * | |
| 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. | |
| 13 | * | |
| 14 | */ | |
| 15 | ||
| 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> | |
| 24 | ||
| 25 | #include "../codecs/mc13783.h" | |
| 26 | #include "imx-ssi.h" | |
| 27 | #include "imx-audmux.h" | |
| 28 | ||
| 29 | #define FMT_SSI (SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF | \ | |
| 30 | SND_SOC_DAIFMT_CBM_CFM) | |
| 31 | ||
| 32 | static int imx_mc13783_hifi_hw_params(struct snd_pcm_substream *substream, | |
| 33 | struct snd_pcm_hw_params *params) | |
| 34 | { | |
| 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; | |
| 39 | ||
| 6b0a795a PR |
40 | ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xfffffffc, 0xfffffffc, |
| 41 | 4, 16); | |
| 42 | if (ret) | |
| 43 | return ret; | |
| 44 | ||
| 45 | ret = snd_soc_dai_set_sysclk(codec_dai, MC13783_CLK_CLIA, 26000000, 0); | |
| 46 | if (ret) | |
| 47 | return ret; | |
| 48 | ||
| 49 | ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0x0, 0xfffffffc, 2, 16); | |
| 50 | if (ret) | |
| 51 | return ret; | |
| 52 | ||
| 53 | return 0; | |
| 54 | } | |
| 55 | ||
| 56 | static struct snd_soc_ops imx_mc13783_hifi_ops = { | |
| 57 | .hw_params = imx_mc13783_hifi_hw_params, | |
| 58 | }; | |
| 59 | ||
| 60 | static struct snd_soc_dai_link imx_mc13783_dai_mc13783[] = { | |
| 61 | { | |
| 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-pcm-audio.0", | |
| 68 | .ops = &imx_mc13783_hifi_ops, | |
| 69 | .symmetric_rates = 1, | |
| cd7dc7a4 | 70 | .dai_fmt = FMT_SSI, |
| 6b0a795a PR |
71 | }, |
| 72 | }; | |
| 73 | ||
| 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), | |
| 78 | }; | |
| 79 | ||
| 80 | static const struct snd_soc_dapm_route imx_mc13783_routes[] = { | |
| 81 | {"Speaker", NULL, "LSP"}, | |
| 82 | {"Headphone", NULL, "HSL"}, | |
| 83 | {"Headphone", NULL, "HSR"}, | |
| 84 | ||
| 85 | {"MC1LIN", NULL, "MC1 Bias"}, | |
| 86 | {"MC2IN", NULL, "MC2 Bias"}, | |
| 87 | {"MC1 Bias", NULL, "Mic"}, | |
| 88 | {"MC2 Bias", NULL, "Mic"}, | |
| 89 | }; | |
| 90 | ||
| 91 | static struct snd_soc_card imx_mc13783 = { | |
| 92 | .name = "imx_mc13783", | |
| 93 | .dai_link = imx_mc13783_dai_mc13783, | |
| 94 | .num_links = ARRAY_SIZE(imx_mc13783_dai_mc13783), | |
| 95 | .dapm_widgets = imx_mc13783_widget, | |
| 96 | .num_dapm_widgets = ARRAY_SIZE(imx_mc13783_widget), | |
| 97 | .dapm_routes = imx_mc13783_routes, | |
| 98 | .num_dapm_routes = ARRAY_SIZE(imx_mc13783_routes), | |
| 99 | }; | |
| 100 | ||
| 101 | static int __devinit imx_mc13783_probe(struct platform_device *pdev) | |
| 102 | { | |
| 103 | int ret; | |
| 104 | ||
| 105 | imx_mc13783.dev = &pdev->dev; | |
| 106 | ||
| 107 | ret = snd_soc_register_card(&imx_mc13783); | |
| 108 | if (ret) { | |
| 109 | dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", | |
| 110 | ret); | |
| 111 | return ret; | |
| 112 | } | |
| 113 | ||
| 114 | imx_audmux_v2_configure_port(MX31_AUDMUX_PORT4_SSI_PINS_4, | |
| 115 | IMX_AUDMUX_V2_PTCR_SYN, | |
| 116 | IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0) | | |
| 117 | IMX_AUDMUX_V2_PDCR_MODE(1) | | |
| 118 | IMX_AUDMUX_V2_PDCR_INMMASK(0xfc)); | |
| 119 | imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0, | |
| 120 | IMX_AUDMUX_V2_PTCR_SYN | | |
| 121 | IMX_AUDMUX_V2_PTCR_TFSDIR | | |
| 122 | IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) | | |
| 123 | IMX_AUDMUX_V2_PTCR_TCLKDIR | | |
| 124 | IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) | | |
| 125 | IMX_AUDMUX_V2_PTCR_RFSDIR | | |
| 126 | IMX_AUDMUX_V2_PTCR_RFSEL(MX31_AUDMUX_PORT4_SSI_PINS_4) | | |
| 127 | IMX_AUDMUX_V2_PTCR_RCLKDIR | | |
| 128 | IMX_AUDMUX_V2_PTCR_RCSEL(MX31_AUDMUX_PORT4_SSI_PINS_4), | |
| 129 | IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT4_SSI_PINS_4)); | |
| 130 | ||
| 131 | return ret; | |
| 132 | } | |
| 133 | ||
| 134 | static int __devexit imx_mc13783_remove(struct platform_device *pdev) | |
| 135 | { | |
| 136 | snd_soc_unregister_card(&imx_mc13783); | |
| 137 | ||
| 138 | return 0; | |
| 139 | } | |
| 140 | ||
| 141 | static struct platform_driver imx_mc13783_audio_driver = { | |
| 142 | .driver = { | |
| 143 | .name = "imx_mc13783", | |
| 144 | .owner = THIS_MODULE, | |
| 145 | }, | |
| 146 | .probe = imx_mc13783_probe, | |
| 147 | .remove = __devexit_p(imx_mc13783_remove) | |
| 148 | }; | |
| 149 | ||
| 150 | module_platform_driver(imx_mc13783_audio_driver); | |
| 151 | ||
| 152 | MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>"); | |
| 153 | MODULE_AUTHOR("Philippe Retornaz <philippe.retornaz@epfl.ch"); | |
| 154 | MODULE_DESCRIPTION("imx with mc13783 codec ALSA SoC driver"); | |
| 155 | MODULE_LICENSE("GPL"); | |
| 156 | MODULE_ALIAS("platform:imx_mc13783"); |