+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0+
-//
-// mx27vis-aic32x4.c
-//
-// Copyright 2011 Vista Silicon S.L.
-//
-// Author: Javier Martin <javier.martin@vista-silicon.com>
-
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/device.h>
-#include <linux/i2c.h>
-#include <linux/gpio.h>
-#include <linux/platform_data/asoc-mx27vis.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 "../codecs/tlv320aic32x4.h"
-#include "imx-ssi.h"
-#include "imx-audmux.h"
-
-#define MX27VIS_AMP_GAIN 0
-#define MX27VIS_AMP_MUTE 1
-
-static int mx27vis_amp_gain;
-static int mx27vis_amp_mute;
-static int mx27vis_amp_gain0_gpio;
-static int mx27vis_amp_gain1_gpio;
-static int mx27vis_amp_mutel_gpio;
-static int mx27vis_amp_muter_gpio;
-
-static int mx27vis_aic32x4_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
- struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
- struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
- int ret;
-
- 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 const 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_amp_gain0_gpio, value & 1);
- gpio_set_value(mx27vis_amp_gain1_gpio, value >> 1);
- mx27vis_amp_gain = value;
- break;
- case MX27VIS_AMP_MUTE:
- gpio_set_value(mx27vis_amp_mutel_gpio, value & 1);
- gpio_set_value(mx27vis_amp_muter_gpio, 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"},
-};
-
-SND_SOC_DAILINK_DEFS(hifi,
- DAILINK_COMP_ARRAY(COMP_CPU("imx-ssi.0")),
- DAILINK_COMP_ARRAY(COMP_CODEC("tlv320aic32x4.0-0018",
- "tlv320aic32x4-hifi")),
- DAILINK_COMP_ARRAY(COMP_PLATFORM("imx-ssi.0")));
-
-static struct snd_soc_dai_link mx27vis_aic32x4_dai = {
- .name = "tlv320aic32x4",
- .stream_name = "TLV320AIC32X4",
- .dai_fmt = SND_SOC_DAIFMT_DSP_B | SND_SOC_DAIFMT_NB_NF |
- SND_SOC_DAIFMT_CBM_CFM,
- .ops = &mx27vis_aic32x4_snd_ops,
- SND_SOC_DAILINK_REG(hifi),
-};
-
-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 mx27vis_aic32x4_probe(struct platform_device *pdev)
-{
- struct snd_mx27vis_platform_data *pdata = pdev->dev.platform_data;
- int ret;
-
- if (!pdata) {
- dev_err(&pdev->dev, "No platform data supplied\n");
- return -EINVAL;
- }
-
- mx27vis_amp_gain0_gpio = pdata->amp_gain0_gpio;
- mx27vis_amp_gain1_gpio = pdata->amp_gain1_gpio;
- mx27vis_amp_mutel_gpio = pdata->amp_mutel_gpio;
- mx27vis_amp_muter_gpio = pdata->amp_muter_gpio;
-
- mx27vis_aic32x4.dev = &pdev->dev;
- ret = devm_snd_soc_register_card(&pdev->dev, &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)
- );
-
- return ret;
-}
-
-static struct platform_driver mx27vis_aic32x4_audio_driver = {
- .driver = {
- .name = "mx27vis",
- },
- .probe = mx27vis_aic32x4_probe,
-};
-
-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");
projects / users / hch / dma-mapping.git / commitdiff