diff options
Diffstat (limited to 'sound/soc/imx/eukrea-tlv320.c')
| -rw-r--r-- | sound/soc/imx/eukrea-tlv320.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/sound/soc/imx/eukrea-tlv320.c b/sound/soc/imx/eukrea-tlv320.c deleted file mode 100644 index 7d4475cfdb24..000000000000 --- a/sound/soc/imx/eukrea-tlv320.c +++ /dev/null @@ -1,164 +0,0 @@ -/* - * eukrea-tlv320.c -- SoC audio for eukrea_cpuimxXX in I2S mode - * - * Copyright 2010 Eric Bénard, Eukréa Electromatique <eric@eukrea.com> - * - * based on sound/soc/s3c24xx/s3c24xx_simtec_tlv320aic23.c - * which is Copyright 2009 Simtec Electronics - * and on sound/soc/imx/phycore-ac97.c which is - * Copyright 2009 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/device.h> -#include <linux/i2c.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> -#include <asm/mach-types.h> - -#include "../codecs/tlv320aic23.h" -#include "imx-ssi.h" -#include "imx-audmux.h" - -#define CODEC_CLOCK 12000000 - -static int eukrea_tlv320_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_dai *codec_dai = rtd->codec_dai; - struct snd_soc_dai *cpu_dai = rtd->cpu_dai; - int ret; - - ret = snd_soc_dai_set_fmt(cpu_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM); - if (ret) { - pr_err("%s: failed set cpu dai format\n", __func__); - return ret; - } - - ret = snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_I2S | - SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM); - if (ret) { - pr_err("%s: failed set codec dai format\n", __func__); - return ret; - } - - ret = snd_soc_dai_set_sysclk(codec_dai, 0, - CODEC_CLOCK, SND_SOC_CLOCK_OUT); - if (ret) { - pr_err("%s: failed setting codec sysclk\n", __func__); - return ret; - } - snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffc, 0xffffffc, 2, 0); - - ret = snd_soc_dai_set_sysclk(cpu_dai, IMX_SSP_SYS_CLK, 0, - SND_SOC_CLOCK_IN); - if (ret) { - pr_err("can't set CPU system clock IMX_SSP_SYS_CLK\n"); - return ret; - } - - return 0; -} - -static struct snd_soc_ops eukrea_tlv320_snd_ops = { - .hw_params = eukrea_tlv320_hw_params, -}; - -static struct snd_soc_dai_link eukrea_tlv320_dai = { - .name = "tlv320aic23", - .stream_name = "TLV320AIC23", - .codec_dai_name = "tlv320aic23-hifi", - .platform_name = "imx-fiq-pcm-audio.0", - .codec_name = "tlv320aic23-codec.0-001a", - .cpu_dai_name = "imx-ssi.0", - .ops = &eukrea_tlv320_snd_ops, -}; - -static struct snd_soc_card eukrea_tlv320 = { - .name = "cpuimx-audio", - .owner = THIS_MODULE, - .dai_link = &eukrea_tlv320_dai, - .num_links = 1, -}; - -static struct platform_device *eukrea_tlv320_snd_device; - -static int __init eukrea_tlv320_init(void) -{ - int ret; - int int_port = 0, ext_port; - - if (machine_is_eukrea_cpuimx27()) { - imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0, - IMX_AUDMUX_V1_PCR_SYN | - IMX_AUDMUX_V1_PCR_TFSDIR | - IMX_AUDMUX_V1_PCR_TCLKDIR | - IMX_AUDMUX_V1_PCR_RFSDIR | - IMX_AUDMUX_V1_PCR_RCLKDIR | - IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) | - IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) | - IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) - ); - imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4, - IMX_AUDMUX_V1_PCR_SYN | - IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0) - ); - } else if (machine_is_eukrea_cpuimx25sd() || - machine_is_eukrea_cpuimx35sd() || - machine_is_eukrea_cpuimx51sd()) { - ext_port = machine_is_eukrea_cpuimx25sd() ? 4 : 3; - imx_audmux_v2_configure_port(int_port, - IMX_AUDMUX_V2_PTCR_SYN | - IMX_AUDMUX_V2_PTCR_TFSDIR | - IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | - IMX_AUDMUX_V2_PTCR_TCLKDIR | - IMX_AUDMUX_V2_PTCR_TCSEL(ext_port), - IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port) - ); - imx_audmux_v2_configure_port(ext_port, - IMX_AUDMUX_V2_PTCR_SYN, - IMX_AUDMUX_V2_PDCR_RXDSEL(int_port) - ); - } else { - /* return happy. We might run on a totally different machine */ - return 0; - } - - eukrea_tlv320_snd_device = platform_device_alloc("soc-audio", -1); - if (!eukrea_tlv320_snd_device) - return -ENOMEM; - - platform_set_drvdata(eukrea_tlv320_snd_device, &eukrea_tlv320); - ret = platform_device_add(eukrea_tlv320_snd_device); - - if (ret) { - printk(KERN_ERR "ASoC: Platform device allocation failed\n"); - platform_device_put(eukrea_tlv320_snd_device); - } - - return ret; -} - -static void __exit eukrea_tlv320_exit(void) -{ - platform_device_unregister(eukrea_tlv320_snd_device); -} - -module_init(eukrea_tlv320_init); -module_exit(eukrea_tlv320_exit); - -MODULE_AUTHOR("Eric Bénard <eric@eukrea.com>"); -MODULE_DESCRIPTION("CPUIMX ALSA SoC driver"); -MODULE_LICENSE("GPL"); |