diff options
Diffstat (limited to 'sound/soc/imx/mx27vis-aic32x4.c')
| -rw-r--r-- | sound/soc/imx/mx27vis-aic32x4.c | 245 |
1 files changed, 0 insertions, 245 deletions
diff --git a/sound/soc/imx/mx27vis-aic32x4.c b/sound/soc/imx/mx27vis-aic32x4.c deleted file mode 100644 index f6d04ad4bb39..000000000000 --- a/sound/soc/imx/mx27vis-aic32x4.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * mx27vis-aic32x4.c - * - * Copyright 2011 Vista Silicon S.L. - * - * Author: Javier Martin <javier.martin@vista-silicon.com> - * - * 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. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, - * MA 02110-1301, USA. - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/device.h> -#include <linux/i2c.h> -#include <linux/gpio.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> -#include <sound/soc-dapm.h> -#include <sound/tlv.h> -#include <asm/mach-types.h> -#include <mach/iomux-mx27.h> - -#include "../codecs/tlv320aic32x4.h" -#include "imx-ssi.h" -#include "imx-audmux.h" - -#define MX27VIS_AMP_GAIN 0 -#define MX27VIS_AMP_MUTE 1 - -#define MX27VIS_PIN_G0 (GPIO_PORTF + 9) -#define MX27VIS_PIN_G1 (GPIO_PORTF + 8) -#define MX27VIS_PIN_SDL (GPIO_PORTE + 5) -#define MX27VIS_PIN_SDR (GPIO_PORTF + 7) - -static int mx27vis_amp_gain; -static int mx27vis_amp_mute; - -static const int mx27vis_amp_pins[] = { - MX27VIS_PIN_G0 | GPIO_GPIO | GPIO_OUT, - MX27VIS_PIN_G1 | GPIO_GPIO | GPIO_OUT, - MX27VIS_PIN_SDL | GPIO_GPIO | GPIO_OUT, - MX27VIS_PIN_SDR | GPIO_GPIO | GPIO_OUT, -}; - -static int mx27vis_aic32x4_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; - u32 dai_format; - - dai_format = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM; - - /* set codec DAI configuration */ - snd_soc_dai_set_fmt(codec_dai, dai_format); - - /* set cpu DAI configuration */ - snd_soc_dai_set_fmt(cpu_dai, dai_format); - - ret = snd_soc_dai_set_sysclk(codec_dai, 0, - 25000000, SND_SOC_CLOCK_OUT); - if (ret) { - pr_err("%s: failed setting codec sysclk\n", __func__); - return ret; - } - - 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 mx27vis_aic32x4_snd_ops = { - .hw_params = mx27vis_aic32x4_hw_params, -}; - -static int mx27vis_amp_set(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - int value = ucontrol->value.integer.value[0]; - unsigned int reg = mc->reg; - int max = mc->max; - - if (value > max) - return -EINVAL; - - switch (reg) { - case MX27VIS_AMP_GAIN: - gpio_set_value(MX27VIS_PIN_G0, value & 1); - gpio_set_value(MX27VIS_PIN_G1, value >> 1); - mx27vis_amp_gain = value; - break; - case MX27VIS_AMP_MUTE: - gpio_set_value(MX27VIS_PIN_SDL, value & 1); - gpio_set_value(MX27VIS_PIN_SDR, value >> 1); - mx27vis_amp_mute = value; - break; - } - return 0; -} - -static int mx27vis_amp_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct soc_mixer_control *mc = - (struct soc_mixer_control *)kcontrol->private_value; - unsigned int reg = mc->reg; - - switch (reg) { - case MX27VIS_AMP_GAIN: - ucontrol->value.integer.value[0] = mx27vis_amp_gain; - break; - case MX27VIS_AMP_MUTE: - ucontrol->value.integer.value[0] = mx27vis_amp_mute; - break; - } - return 0; -} - -/* From 6dB to 24dB in steps of 6dB */ -static const DECLARE_TLV_DB_SCALE(mx27vis_amp_tlv, 600, 600, 0); - -static const struct snd_kcontrol_new mx27vis_aic32x4_controls[] = { - SOC_DAPM_PIN_SWITCH("External Mic"), - SOC_SINGLE_EXT_TLV("LO Ext Boost", MX27VIS_AMP_GAIN, 0, 3, 0, - mx27vis_amp_get, mx27vis_amp_set, mx27vis_amp_tlv), - SOC_DOUBLE_EXT("LO Ext Mute Switch", MX27VIS_AMP_MUTE, 0, 1, 1, 0, - mx27vis_amp_get, mx27vis_amp_set), -}; - -static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = { - SND_SOC_DAPM_MIC("External Mic", NULL), -}; - -static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = { - {"Mic Bias", NULL, "External Mic"}, - {"IN1_R", NULL, "Mic Bias"}, - {"IN2_R", NULL, "Mic Bias"}, - {"IN3_R", NULL, "Mic Bias"}, - {"IN1_L", NULL, "Mic Bias"}, - {"IN2_L", NULL, "Mic Bias"}, - {"IN3_L", NULL, "Mic Bias"}, -}; - -static struct snd_soc_dai_link mx27vis_aic32x4_dai = { - .name = "tlv320aic32x4", - .stream_name = "TLV320AIC32X4", - .codec_dai_name = "tlv320aic32x4-hifi", - .platform_name = "imx-pcm-audio.0", - .codec_name = "tlv320aic32x4.0-0018", - .cpu_dai_name = "imx-ssi.0", - .ops = &mx27vis_aic32x4_snd_ops, -}; - -static struct snd_soc_card mx27vis_aic32x4 = { - .name = "visstrim_m10-audio", - .owner = THIS_MODULE, - .dai_link = &mx27vis_aic32x4_dai, - .num_links = 1, - .controls = mx27vis_aic32x4_controls, - .num_controls = ARRAY_SIZE(mx27vis_aic32x4_controls), - .dapm_widgets = aic32x4_dapm_widgets, - .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets), - .dapm_routes = aic32x4_dapm_routes, - .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes), -}; - -static int __devinit mx27vis_aic32x4_probe(struct platform_device *pdev) -{ - int ret; - - mx27vis_aic32x4.dev = &pdev->dev; - ret = snd_soc_register_card(&mx27vis_aic32x4); - if (ret) { - dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", - ret); - return ret; - } - - /* Connect SSI0 as clock slave to SSI1 external pins */ - 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_TFCSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) | - IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) - ); - imx_audmux_v1_configure_port(MX27_AUDMUX_PPCR1_SSI_PINS_1, - IMX_AUDMUX_V1_PCR_SYN | - IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0) - ); - - ret = mxc_gpio_setup_multiple_pins(mx27vis_amp_pins, - ARRAY_SIZE(mx27vis_amp_pins), "MX27VIS_AMP"); - if (ret) - printk(KERN_ERR "ASoC: unable to setup gpios\n"); - - return ret; -} - -static int __devexit mx27vis_aic32x4_remove(struct platform_device *pdev) -{ - snd_soc_unregister_card(&mx27vis_aic32x4); - - return 0; -} - -static struct platform_driver mx27vis_aic32x4_audio_driver = { - .driver = { - .name = "mx27vis", - .owner = THIS_MODULE, - }, - .probe = mx27vis_aic32x4_probe, - .remove = __devexit_p(mx27vis_aic32x4_remove), -}; - -module_platform_driver(mx27vis_aic32x4_audio_driver); - -MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>"); -MODULE_DESCRIPTION("ALSA SoC AIC32X4 mx27 visstrim"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:mx27vis"); |