diff options
author | Zidan Wang <zidan.wang@freescale.com> | 2015-08-03 13:21:12 +0800 |
---|---|---|
committer | Dong Aisheng <aisheng.dong@nxp.com> | 2019-11-25 15:49:50 +0800 |
commit | dffd004bed89d7cdef95feb05023b00ab4b6f7a8 (patch) | |
tree | 1439316eaef8067431d0206ff974d081eeba603d /sound | |
parent | c8182e664d78fbc7c851d56d1fc205e645ce2ecb (diff) |
MLK-11369-1 ASoC: imx-wm8960: port wm8960 machine driver from imx_3.14.y branch
port wm8960 machine driver from imx_3.14.y branch
Signed-off-by: Zidan Wang <zidan.wang@freescale.com>
Fix build for DRIVER_ATTR removal during 4.14 rebase
Signed-off-by: Leonard Crestez <leonard.crestez@nxp.com>
Diffstat (limited to 'sound')
-rw-r--r-- | sound/soc/fsl/Kconfig | 13 | ||||
-rw-r--r-- | sound/soc/fsl/Makefile | 2 | ||||
-rw-r--r-- | sound/soc/fsl/imx-wm8960.c | 640 |
3 files changed, 655 insertions, 0 deletions
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index d7a8b97978a6..e6fb7225a143 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -249,6 +249,19 @@ config SND_SOC_EUKREA_TLV320 Enable I2S based access to the TLV320AIC23B codec attached to the SSI interface +config SND_SOC_IMX_WM8960 + tristate "SoC Audio support for i.MX boards with wm8960" + depends on OF && I2C + select SND_SOC_WM8960 + select SND_SOC_IMX_PCM_DMA + select SND_SOC_FSL_SAI + select SND_SOC_FSL_UTILS + select SND_KCTL_JACK + help + SoC Audio support for i.MX boards with WM8960 + Say Y if you want to add support for SoC audio on an i.MX board with + a wm8960 codec. + config SND_SOC_IMX_WM8962 tristate "SoC Audio support for i.MX boards with wm8962" depends on OF && I2C && INPUT diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index 409ea4bc9884..83fe11196fc8 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -60,6 +60,7 @@ snd-soc-mx27vis-aic32x4-objs := mx27vis-aic32x4.o snd-soc-wm1133-ev1-objs := wm1133-ev1.o snd-soc-imx-es8328-objs := imx-es8328.o snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o +snd-soc-imx-wm8960-objs := imx-wm8960.o snd-soc-imx-wm8962-objs := imx-wm8962.o snd-soc-imx-spdif-objs := imx-spdif.o snd-soc-imx-mc13783-objs := imx-mc13783.o @@ -71,6 +72,7 @@ obj-$(CONFIG_SND_SOC_MX27VIS_AIC32X4) += snd-soc-mx27vis-aic32x4.o obj-$(CONFIG_SND_MXC_SOC_WM1133_EV1) += snd-soc-wm1133-ev1.o obj-$(CONFIG_SND_SOC_IMX_ES8328) += snd-soc-imx-es8328.o obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o +obj-$(CONFIG_SND_SOC_IMX_WM8960) += snd-soc-imx-wm8960.o obj-$(CONFIG_SND_SOC_IMX_WM8962) += snd-soc-imx-wm8962.o obj-$(CONFIG_SND_SOC_IMX_SPDIF) += snd-soc-imx-spdif.o obj-$(CONFIG_SND_SOC_IMX_MC13783) += snd-soc-imx-mc13783.o diff --git a/sound/soc/fsl/imx-wm8960.c b/sound/soc/fsl/imx-wm8960.c new file mode 100644 index 000000000000..52b99adf552c --- /dev/null +++ b/sound/soc/fsl/imx-wm8960.c @@ -0,0 +1,640 @@ +/* + * Copyright (C) 2015 Freescale Semiconductor, Inc. + * + * The code contained herein is licensed under the GNU General Public + * License. You may obtain a copy of the GNU General Public License + * Version 2 or later at the following locations: + * + * http://www.opensource.org/licenses/gpl-license.html + * http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/module.h> +#include <linux/of_platform.h> +#include <linux/i2c.h> +#include <linux/of_gpio.h> +#include <linux/slab.h> +#include <linux/gpio.h> +#include <linux/clk.h> +#include <sound/soc.h> +#include <sound/jack.h> +#include <sound/control.h> +#include <sound/pcm_params.h> +#include <sound/soc-dapm.h> +#include <linux/pinctrl/consumer.h> +#include <linux/mfd/syscon.h> +#include "../codecs/wm8960.h" +#include "fsl_sai.h" + +struct imx_wm8960_data { + struct snd_soc_card card; + struct clk *codec_clk; + unsigned int clk_frequency; + bool is_codec_master; + bool is_stream_in_use[2]; + bool is_stream_opened[2]; + struct regmap *gpr; + unsigned int hp_det[2]; + u32 asrc_rate; + u32 asrc_format; +}; + +struct imx_priv { + int hp_set_gpio; + int hp_active_low; + struct snd_kcontrol *headset_kctl; + struct snd_soc_dai *codec_dai; + struct platform_device *pdev; + struct platform_device *asrc_pdev; + struct snd_card *snd_card; +}; + +static struct imx_priv card_priv; + +static struct snd_soc_jack imx_hp_set; +static struct snd_soc_jack_pin imx_hp_set_pins[] = { + { + .pin = "Headset Jack", + .mask = SND_JACK_HEADSET, + }, +}; +static struct snd_soc_jack_gpio imx_hp_set_gpio = { + .name = "headset detect", + .report = SND_JACK_HEADSET, + .debounce_time = 250, + .invert = 1, +}; + +static int hp_set_status_check(void *data) +{ + struct imx_priv *priv = &card_priv; + struct platform_device *pdev = priv->pdev; + char *envp[3], *buf; + int hp_status, ret; + + if (!gpio_is_valid(priv->hp_set_gpio)) + return 0; + + hp_status = gpio_get_value(priv->hp_set_gpio); + buf = kmalloc(32, GFP_ATOMIC); + if (!buf) { + dev_err(&pdev->dev, "%s kmalloc failed\n", __func__); + return -ENOMEM; + } + + if (hp_status != priv->hp_active_low) { + snprintf(buf, 32, "STATE=%d", 2); + snd_soc_dapm_disable_pin(snd_soc_component_get_dapm(priv->codec_dai->component), "Ext Spk"); + snd_soc_dapm_disable_pin(snd_soc_component_get_dapm(priv->codec_dai->component), "Main MIC"); + ret = imx_hp_set_gpio.report; + + /* + * As the hp MIC only connect the input for left channel, we + * need to route it for right channel. + */ + snd_soc_component_update_bits(priv->codec_dai->component, WM8960_ADDCTL1, 3<<2, 1<<2); + + snd_kctl_jack_report(priv->snd_card, priv->headset_kctl, 1); + } else { + snprintf(buf, 32, "STATE=%d", 0); + snd_soc_dapm_enable_pin(snd_soc_component_get_dapm(priv->codec_dai->component), "Ext Spk"); + snd_soc_dapm_enable_pin(snd_soc_component_get_dapm(priv->codec_dai->component), "Main MIC"); + ret = 0; + + /* + * As the Main MIC only connect the input for right channel, + * we need to route it for left channel. + */ + snd_soc_component_update_bits(priv->codec_dai->component, WM8960_ADDCTL1, 3<<2, 2<<2); + + snd_kctl_jack_report(priv->snd_card, priv->headset_kctl, 0); + } + + envp[0] = "NAME=headset"; + envp[1] = buf; + envp[2] = NULL; + kobject_uevent_env(&pdev->dev.kobj, KOBJ_CHANGE, envp); + kfree(buf); + + return ret; +} + +static const struct snd_soc_dapm_widget imx_wm8960_dapm_widgets[] = { + SND_SOC_DAPM_HP("Headset Jack", NULL), + SND_SOC_DAPM_SPK("Ext Spk", NULL), + SND_SOC_DAPM_MIC("Hp MIC", NULL), + SND_SOC_DAPM_MIC("Main MIC", NULL), +}; + +static int imx_wm8960_gpio_init(struct snd_soc_card *card) +{ + struct snd_soc_pcm_runtime *rtd = list_first_entry( + &card->rtd_list, struct snd_soc_pcm_runtime, list); + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct imx_priv *priv = &card_priv; + int ret; + priv->codec_dai = codec_dai; + + if (gpio_is_valid(priv->hp_set_gpio)) { + imx_hp_set_gpio.gpio = priv->hp_set_gpio; + imx_hp_set_gpio.jack_status_check = hp_set_status_check; + + ret = snd_soc_card_jack_new(card, "Headset Jack", + SND_JACK_HEADSET, &imx_hp_set, + imx_hp_set_pins, ARRAY_SIZE(imx_hp_set_pins)); + if (ret) + return ret; + ret = snd_soc_jack_add_gpios(&imx_hp_set, 1, + &imx_hp_set_gpio); + if (ret) + return ret; + } + + return 0; +} + +static ssize_t headphone_show(struct device_driver *dev, char *buf) +{ + struct imx_priv *priv = &card_priv; + int hp_status; + + if (!gpio_is_valid(priv->hp_set_gpio)) { + strcpy(buf, "no detect gpio connected\n"); + return strlen(buf); + } + + /* Check if headphone is plugged in */ + hp_status = gpio_get_value(priv->hp_set_gpio); + + if (hp_status != priv->hp_active_low) + strcpy(buf, "Headphone\n"); + else + strcpy(buf, "Speaker\n"); + + return strlen(buf); +} + +static ssize_t micphone_show(struct device_driver *dev, char *buf) +{ + struct imx_priv *priv = &card_priv; + int hp_status; + + if (!gpio_is_valid(priv->hp_set_gpio)) { + strcpy(buf, "no detect gpio connected\n"); + return strlen(buf); + } + + /* Check if headphone is plugged in */ + hp_status = gpio_get_value(priv->hp_set_gpio); + + if (hp_status != priv->hp_active_low) + strcpy(buf, "Hp MIC\n"); + else + strcpy(buf, "Main MIC\n"); + + return strlen(buf); +} +static DRIVER_ATTR_RO(headphone); +static DRIVER_ATTR_RO(micphone); + +static void wm8960_init(struct snd_soc_card *card) +{ + struct snd_soc_pcm_runtime *rtd = list_first_entry( + &card->rtd_list, struct snd_soc_pcm_runtime, list); + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card); + + /* + * codec ADCLRC pin configured as GPIO, DACLRC pin is used as a frame + * clock for ADCs and DACs + */ + snd_soc_component_update_bits(codec_dai->component, WM8960_IFACE2, 1<<6, 1<<6); + + /* + * GPIO1 used as headphone detect output + */ + snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL4, 7<<4, 3<<4); + + /* + * Enable headphone jack detect + */ + snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL2, 1<<6, 1<<6); + snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL2, 1<<5, data->hp_det[1]<<5); + snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL4, 3<<2, data->hp_det[0]<<2); + snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL1, 3, 3); + + /* + * route left channel to right channel in default. + */ + snd_soc_component_update_bits(codec_dai->component, WM8960_ADDCTL1, 3<<2, 1<<2); +} + +static int imx_hifi_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; + struct snd_soc_card *card = rtd->card; + struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card); + bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + struct device *dev = card->dev; + unsigned int sample_rate = params_rate(params); + unsigned int pll_out; + unsigned int fmt; + int ret = 0; + + data->is_stream_in_use[tx] = true; + + if (data->is_stream_in_use[!tx]) + return 0; + + if (data->is_codec_master) + fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBM_CFM; + else + fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CBS_CFS; + + /* set cpu DAI configuration */ + ret = snd_soc_dai_set_fmt(cpu_dai, fmt); + if (ret) { + dev_err(dev, "failed to set cpu dai fmt: %d\n", ret); + return ret; + } + /* set codec DAI configuration */ + ret = snd_soc_dai_set_fmt(codec_dai, fmt); + if (ret) { + dev_err(dev, "failed to set codec dai fmt: %d\n", ret); + return ret; + } + + if (!data->is_codec_master) { + ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0, 2, params_width(params)); + if (ret) { + dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret); + return ret; + } + + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_OUT); + if (ret) { + dev_err(dev, "failed to set cpu sysclk: %d\n", ret); + return ret; + } + return 0; + } else { + ret = snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_IN); + if (ret) { + dev_err(dev, "failed to set cpu sysclk: %d\n", ret); + return ret; + } + } + + data->clk_frequency = clk_get_rate(data->codec_clk); + + /* Set codec pll */ + if (params_width(params) == 24) + pll_out = sample_rate * 768; + else + pll_out = sample_rate * 512; + + ret = snd_soc_dai_set_pll(codec_dai, WM8960_SYSCLK_AUTO, 0, data->clk_frequency, pll_out); + if (ret) + return ret; + ret = snd_soc_dai_set_sysclk(codec_dai, WM8960_SYSCLK_AUTO, pll_out, 0); + + return ret; +} + +static int imx_hifi_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_card *card = rtd->card; + struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card); + bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + + data->is_stream_in_use[tx] = false; + + /* Power down PLL to save power*/ + if (data->is_codec_master && !data->is_stream_in_use[!tx]) { + snd_soc_dai_set_pll(codec_dai, 0, 0, 0, 0); + snd_soc_dai_set_fmt(codec_dai, SND_SOC_DAIFMT_CBS_CFS | SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF); + } + + return 0; +} + +static u32 imx_wm8960_rates[] = { 8000, 16000, 32000, 48000 }; +static struct snd_pcm_hw_constraint_list imx_wm8960_rate_constraints = { + .count = ARRAY_SIZE(imx_wm8960_rates), + .list = imx_wm8960_rates, +}; + +static int imx_hifi_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct snd_soc_card *card = rtd->card; + struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card); + bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + struct fsl_sai *sai = dev_get_drvdata(cpu_dai->dev); + int ret = 0; + + data->is_stream_opened[tx] = true; + if (data->is_stream_opened[tx] != sai->is_stream_opened[tx] || + data->is_stream_opened[!tx] != sai->is_stream_opened[!tx]) { + data->is_stream_opened[tx] = false; + return -EBUSY; + } + + if (!data->is_codec_master) { + ret = snd_pcm_hw_constraint_list(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_RATE, &imx_wm8960_rate_constraints); + if (ret) + return ret; + } + + ret = clk_prepare_enable(data->codec_clk); + if (ret) { + dev_err(card->dev, "Failed to enable MCLK: %d\n", ret); + return ret; + } + + return ret; +} + +static void imx_hifi_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_card *card = rtd->card; + struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card); + bool tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; + + clk_disable_unprepare(data->codec_clk); + + data->is_stream_opened[tx] = false; +} + +static struct snd_soc_ops imx_hifi_ops = { + .hw_params = imx_hifi_hw_params, + .hw_free = imx_hifi_hw_free, + .startup = imx_hifi_startup, + .shutdown = imx_hifi_shutdown, +}; + +static int imx_wm8960_late_probe(struct snd_soc_card *card) +{ + struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card); + + /* + * set SAI2_MCLK_DIR to enable codec MCLK + */ + if (data->gpr) + regmap_update_bits(data->gpr, 4, 1<<20, 1<<20); + + wm8960_init(card); + return 0; +} + +static int be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_card *card = rtd->card; + struct imx_wm8960_data *data = snd_soc_card_get_drvdata(card); + struct imx_priv *priv = &card_priv; + struct snd_interval *rate; + struct snd_mask *mask; + + if (!priv->asrc_pdev) + return -EINVAL; + + rate = hw_param_interval(params, SNDRV_PCM_HW_PARAM_RATE); + rate->max = rate->min = data->asrc_rate; + + mask = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT); + snd_mask_none(mask); + snd_mask_set(mask, data->asrc_format); + + return 0; +} + +static struct snd_soc_dai_link imx_wm8960_dai[] = { + { + .name = "HiFi", + .stream_name = "HiFi", + .codec_dai_name = "wm8960-hifi", + .ops = &imx_hifi_ops, + }, + { + .name = "HiFi-ASRC-FE", + .stream_name = "HiFi-ASRC-FE", + .codec_name = "snd-soc-dummy", + .codec_dai_name = "snd-soc-dummy-dai", + .dynamic = 1, + .ignore_pmdown_time = 1, + .dpcm_playback = 1, + .dpcm_capture = 1, + }, + { + .name = "HiFi-ASRC-BE", + .stream_name = "HiFi-ASRC-BE", + .codec_dai_name = "wm8960-hifi", + .platform_name = "snd-soc-dummy", + .no_pcm = 1, + .ignore_pmdown_time = 1, + .dpcm_playback = 1, + .dpcm_capture = 1, + .ops = &imx_hifi_ops, + .be_hw_params_fixup = be_hw_params_fixup, + }, +}; + +static int imx_wm8960_probe(struct platform_device *pdev) +{ + struct device_node *cpu_np, *codec_np, *gpr_np; + struct platform_device *cpu_pdev; + struct imx_priv *priv = &card_priv; + struct i2c_client *codec_dev; + struct imx_wm8960_data *data; + struct platform_device *asrc_pdev = NULL; + struct device_node *asrc_np; + u32 width; + int ret; + + priv->pdev = pdev; + + cpu_np = of_parse_phandle(pdev->dev.of_node, "cpu-dai", 0); + if (!cpu_np) { + dev_err(&pdev->dev, "cpu dai phandle missing or invalid\n"); + ret = -EINVAL; + goto fail; + } + + codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0); + if (!codec_np) { + dev_err(&pdev->dev, "phandle missing or invalid\n"); + ret = -EINVAL; + goto fail; + } + + cpu_pdev = of_find_device_by_node(cpu_np); + if (!cpu_pdev) { + dev_err(&pdev->dev, "failed to find SAI platform device\n"); + ret = -EINVAL; + goto fail; + } + + codec_dev = of_find_i2c_device_by_node(codec_np); + if (!codec_dev || !codec_dev->dev.driver) { + dev_err(&pdev->dev, "failed to find codec platform device\n"); + ret = -EINVAL; + goto fail; + } + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) { + ret = -ENOMEM; + goto fail; + } + + if (of_property_read_bool(pdev->dev.of_node, "codec-master")) + data->is_codec_master = true; + + data->codec_clk = devm_clk_get(&codec_dev->dev, "mclk"); + if (IS_ERR(data->codec_clk)) { + ret = PTR_ERR(data->codec_clk); + dev_err(&pdev->dev, "failed to get codec clk: %d\n", ret); + goto fail; + } + + gpr_np = of_parse_phandle(pdev->dev.of_node, "gpr", 0); + if (gpr_np) { + data->gpr = syscon_node_to_regmap(gpr_np); + if (IS_ERR(data->gpr)) { + ret = PTR_ERR(data->gpr); + dev_err(&pdev->dev, "failed to get gpr regmap\n"); + goto fail; + } + } + + of_property_read_u32_array(pdev->dev.of_node, "hp-det", data->hp_det, 2); + + asrc_np = of_parse_phandle(pdev->dev.of_node, "asrc-controller", 0); + if (asrc_np) { + asrc_pdev = of_find_device_by_node(asrc_np); + priv->asrc_pdev = asrc_pdev; + } + + data->card.dai_link = imx_wm8960_dai; + + imx_wm8960_dai[0].codec_of_node = codec_np; + imx_wm8960_dai[0].cpu_dai_name = dev_name(&cpu_pdev->dev); + imx_wm8960_dai[0].platform_of_node = cpu_np; + + if (!asrc_pdev) { + data->card.num_links = 1; + } else { + imx_wm8960_dai[1].cpu_of_node = asrc_np; + imx_wm8960_dai[1].platform_of_node = asrc_np; + imx_wm8960_dai[2].codec_of_node = codec_np; + imx_wm8960_dai[2].cpu_dai_name = dev_name(&cpu_pdev->dev); + data->card.num_links = 3; + + ret = of_property_read_u32(asrc_np, "fsl,asrc-rate", + &data->asrc_rate); + if (ret) { + dev_err(&pdev->dev, "failed to get output rate\n"); + ret = -EINVAL; + goto fail; + } + + ret = of_property_read_u32(asrc_np, "fsl,asrc-width", &width); + if (ret) { + dev_err(&pdev->dev, "failed to get output rate\n"); + ret = -EINVAL; + goto fail; + } + + if (width == 24) + data->asrc_format = SNDRV_PCM_FORMAT_S24_LE; + else + data->asrc_format = SNDRV_PCM_FORMAT_S16_LE; + } + + data->card.dev = &pdev->dev; + ret = snd_soc_of_parse_card_name(&data->card, "model"); + if (ret) + goto fail; + data->card.dapm_widgets = imx_wm8960_dapm_widgets; + data->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8960_dapm_widgets); + + ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing"); + if (ret) + goto fail; + + data->card.late_probe = imx_wm8960_late_probe; + + platform_set_drvdata(pdev, &data->card); + snd_soc_card_set_drvdata(&data->card, data); + ret = devm_snd_soc_register_card(&pdev->dev, &data->card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); + goto fail; + } + + priv->snd_card = data->card.snd_card; + + priv->hp_set_gpio = of_get_named_gpio_flags(pdev->dev.of_node, "hp-det-gpios", 0, + (enum of_gpio_flags *)&priv->hp_active_low); + if (IS_ERR(ERR_PTR(priv->hp_set_gpio))) + goto fail; + + priv->headset_kctl = snd_kctl_jack_new("Headset", priv->snd_card); + ret = snd_ctl_add(data->card.snd_card, priv->headset_kctl); + if (ret) + goto fail; + + ret = imx_wm8960_gpio_init(&data->card); + + if (gpio_is_valid(priv->hp_set_gpio)) { + ret = driver_create_file(pdev->dev.driver, &driver_attr_headphone); + if (ret) { + dev_err(&pdev->dev, "create hp attr failed (%d)\n", ret); + goto fail; + } + ret = driver_create_file(pdev->dev.driver, &driver_attr_micphone); + if (ret) { + dev_err(&pdev->dev, "create mic attr failed (%d)\n", ret); + goto fail; + } + } +fail: + if (cpu_np) + of_node_put(cpu_np); + if (codec_np) + of_node_put(codec_np); + + return ret; +} + +static const struct of_device_id imx_wm8960_dt_ids[] = { + { .compatible = "fsl,imx-audio-wm8960", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, imx_wm8960_dt_ids); + +static struct platform_driver imx_wm8960_driver = { + .driver = { + .name = "imx-wm8960", + .pm = &snd_soc_pm_ops, + .of_match_table = imx_wm8960_dt_ids, + }, + .probe = imx_wm8960_probe, +}; +module_platform_driver(imx_wm8960_driver); + +MODULE_AUTHOR("Freescale Semiconductor, Inc."); +MODULE_DESCRIPTION("Freescale i.MX WM8960 ASoC machine driver"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:imx-wm8960"); |