diff options
Diffstat (limited to 'sound/soc/imx/mx27vis-aic32x4.c')
| -rw-r--r-- | sound/soc/imx/mx27vis-aic32x4.c | 159 |
1 files changed, 133 insertions, 26 deletions
diff --git a/sound/soc/imx/mx27vis-aic32x4.c b/sound/soc/imx/mx27vis-aic32x4.c index 3c2eed9094d..f6d04ad4bb3 100644 --- a/sound/soc/imx/mx27vis-aic32x4.c +++ b/sound/soc/imx/mx27vis-aic32x4.c @@ -25,15 +25,36 @@ #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) @@ -74,6 +95,76 @@ 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", @@ -89,50 +180,66 @@ static struct snd_soc_card mx27vis_aic32x4 = { .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"); |