#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/audmux.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)
.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",
.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 struct platform_device *mx27vis_aic32x4_snd_device;
-
-static int __init mx27vis_aic32x4_init(void)
+static int __devinit mx27vis_aic32x4_probe(struct platform_device *pdev)
{
int ret;
- mx27vis_aic32x4_snd_device = platform_device_alloc("soc-audio", -1);
- if (!mx27vis_aic32x4_snd_device)
- return -ENOMEM;
-
- platform_set_drvdata(mx27vis_aic32x4_snd_device, &mx27vis_aic32x4);
- ret = platform_device_add(mx27vis_aic32x4_snd_device);
-
+ mx27vis_aic32x4.dev = &pdev->dev;
+ ret = snd_soc_register_card(&mx27vis_aic32x4);
if (ret) {
- printk(KERN_ERR "ASoC: Platform device allocation failed\n");
- platform_device_put(mx27vis_aic32x4_snd_device);
+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
+ ret);
+ return ret;
}
/* Connect SSI0 as clock slave to SSI1 external pins */
- mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
- MXC_AUDMUX_V1_PCR_SYN |
- MXC_AUDMUX_V1_PCR_TFSDIR |
- MXC_AUDMUX_V1_PCR_TCLKDIR |
- MXC_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) |
- MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1)
+ 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)
);
- mxc_audmux_v1_configure_port(MX27_AUDMUX_PPCR1_SSI_PINS_1,
- MXC_AUDMUX_V1_PCR_SYN |
- MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
+ 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 void __exit mx27vis_aic32x4_exit(void)
+static int __devexit mx27vis_aic32x4_remove(struct platform_device *pdev)
{
- platform_device_unregister(mx27vis_aic32x4_snd_device);
+ snd_soc_unregister_card(&mx27vis_aic32x4);
+
+ return 0;
}
-module_init(mx27vis_aic32x4_init);
-module_exit(mx27vis_aic32x4_exit);
+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");
projects / firefly-linux-kernel-4.4.55.git / blobdiff