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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /sound/soc/fsl/mx27vis-aic32x4.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/fsl/mx27vis-aic32x4.c')
-rw-r--r--sound/soc/fsl/mx27vis-aic32x4.c214
1 files changed, 214 insertions, 0 deletions
diff --git a/sound/soc/fsl/mx27vis-aic32x4.c b/sound/soc/fsl/mx27vis-aic32x4.c
new file mode 100644
index 000000000..8d3b18973
--- /dev/null
+++ b/sound/soc/fsl/mx27vis-aic32x4.c
@@ -0,0 +1,214 @@
+// 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");