| Message ID | 1519694689-15370-1-git-send-email-festevam@gmail.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 790d631dcfec6b073b04bb6809bce4c09baf198a |
| Headers | show |
On Mon, Feb 26, 2018 at 10:24:49PM -0300, Fabio Estevam wrote: > From: Fabio Estevam <fabio.estevam@nxp.com> > > fsl-asoc-card machine driver also handles wm8962, so there is > really no need for keeping the dedicated imx-wm8962 driver anymore. > > Remove the imx-wm8962 machine driver. > > Suggested-by: Nicolin Chen <nicoleotsuka@gmail.com> > Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Acked-by: Nicolin Chen <nicoleotsuka@gmail.com> Thanks. > --- > Changes since v3: > - Remove the imx-audio-wm8962.txt reference from fsl-asoc-card.txt. (Nicolin) > > .../devicetree/bindings/sound/fsl-asoc-card.txt | 1 - > .../devicetree/bindings/sound/imx-audio-wm8962.txt | 53 ---- > sound/soc/fsl/Kconfig | 11 - > sound/soc/fsl/Makefile | 2 - > sound/soc/fsl/imx-wm8962.c | 312 --------------------- > 5 files changed, 379 deletions(-) > delete mode 100644 Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt > delete mode 100644 sound/soc/fsl/imx-wm8962.c > > diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt > index f749e27..c60a573 100644 > --- a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt > +++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt > @@ -28,7 +28,6 @@ The compatible list for this generic sound card currently: > (compatible with CS4271 and CS4272) > > "fsl,imx-audio-wm8962" > - (compatible with Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt) > > "fsl,imx-audio-sgtl5000" > (compatible with Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt) > diff --git a/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt b/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt > deleted file mode 100644 > index acea71b..0000000 > --- a/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt > +++ /dev/null > @@ -1,53 +0,0 @@ > -Freescale i.MX audio complex with WM8962 codec > - > -Required properties: > - > - - compatible : "fsl,imx-audio-wm8962" > - > - - model : The user-visible name of this sound complex > - > - - ssi-controller : The phandle of the i.MX SSI controller > - > - - audio-codec : The phandle of the WM8962 audio codec > - > - - audio-routing : A list of the connections between audio components. > - Each entry is a pair of strings, the first being the > - connection's sink, the second being the connection's > - source. Valid names could be power supplies, WM8962 > - pins, and the jacks on the board: > - > - Power supplies: > - * Mic Bias > - > - Board connectors: > - * Mic Jack > - * Headphone Jack > - * Ext Spk > - > - - mux-int-port : The internal port of the i.MX audio muxer (AUDMUX) > - > - - mux-ext-port : The external port of the i.MX audio muxer > - > -Note: The AUDMUX port numbering should start at 1, which is consistent with > -hardware manual. > - > -Example: > - > -sound { > - compatible = "fsl,imx6q-sabresd-wm8962", > - "fsl,imx-audio-wm8962"; > - model = "wm8962-audio"; > - ssi-controller = <&ssi2>; > - audio-codec = <&codec>; > - audio-routing = > - "Headphone Jack", "HPOUTL", > - "Headphone Jack", "HPOUTR", > - "Ext Spk", "SPKOUTL", > - "Ext Spk", "SPKOUTR", > - "MICBIAS", "AMIC", > - "IN3R", "MICBIAS", > - "DMIC", "MICBIAS", > - "DMICDAT", "DMIC"; > - mux-int-port = <2>; > - mux-ext-port = <3>; > -}; > diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig > index 37f9b62..6ec19fb 100644 > --- a/sound/soc/fsl/Kconfig > +++ b/sound/soc/fsl/Kconfig > @@ -231,17 +231,6 @@ config SND_SOC_EUKREA_TLV320 > Enable I2S based access to the TLV320AIC23B codec attached > to the SSI interface > > -config SND_SOC_IMX_WM8962 > - tristate "SoC Audio support for i.MX boards with wm8962" > - depends on OF && I2C && INPUT > - select SND_SOC_WM8962 > - select SND_SOC_IMX_PCM_DMA > - select SND_SOC_IMX_AUDMUX > - select SND_SOC_FSL_SSI > - help > - Say Y if you want to add support for SoC audio on an i.MX board with > - a wm8962 codec. > - > config SND_SOC_IMX_ES8328 > tristate "SoC Audio support for i.MX boards with the ES8328 codec" > depends on OF && (I2C || SPI) > diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile > index c67bf11..de94fa0 100644 > --- a/sound/soc/fsl/Makefile > +++ b/sound/soc/fsl/Makefile > @@ -55,7 +55,6 @@ 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-wm8962-objs := imx-wm8962.o > snd-soc-imx-spdif-objs := imx-spdif.o > snd-soc-imx-mc13783-objs := imx-mc13783.o > > @@ -65,6 +64,5 @@ 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-$(CONFIG_SND_SOC_IMX_WM8962) += snd-soc-imx-wm8962.o > obj-$(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-wm8962.c b/sound/soc/fsl/imx-wm8962.c > deleted file mode 100644 > index 206b898..0000000 > --- a/sound/soc/fsl/imx-wm8962.c > +++ /dev/null > @@ -1,312 +0,0 @@ > -/* > - * Copyright 2013 Freescale Semiconductor, Inc. > - * > - * Based on imx-sgtl5000.c > - * Copyright 2012 Freescale Semiconductor, Inc. > - * Copyright 2012 Linaro Ltd. > - * > - * 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/slab.h> > -#include <linux/clk.h> > -#include <sound/soc.h> > -#include <sound/pcm_params.h> > -#include <sound/soc-dapm.h> > -#include <linux/pinctrl/consumer.h> > - > -#include "../codecs/wm8962.h" > -#include "imx-audmux.h" > - > -#define DAI_NAME_SIZE 32 > - > -struct imx_wm8962_data { > - struct snd_soc_dai_link dai; > - struct snd_soc_card card; > - char codec_dai_name[DAI_NAME_SIZE]; > - char platform_name[DAI_NAME_SIZE]; > - unsigned int clk_frequency; > -}; > - > -struct imx_priv { > - struct platform_device *pdev; > - int sample_rate; > - snd_pcm_format_t sample_format; > -}; > - > -static const struct snd_soc_dapm_widget imx_wm8962_dapm_widgets[] = { > - SND_SOC_DAPM_HP("Headphone Jack", NULL), > - SND_SOC_DAPM_SPK("Ext Spk", NULL), > - SND_SOC_DAPM_MIC("AMIC", NULL), > - SND_SOC_DAPM_MIC("DMIC", NULL), > -}; > - > -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 imx_priv *priv = snd_soc_card_get_drvdata(rtd->card); > - > - priv->sample_rate = params_rate(params); > - priv->sample_format = params_format(params); > - > - return 0; > -} > - > -static const struct snd_soc_ops imx_hifi_ops = { > - .hw_params = imx_hifi_hw_params, > -}; > - > -static int imx_wm8962_set_bias_level(struct snd_soc_card *card, > - struct snd_soc_dapm_context *dapm, > - enum snd_soc_bias_level level) > -{ > - struct snd_soc_pcm_runtime *rtd; > - struct snd_soc_dai *codec_dai; > - struct imx_priv *priv = snd_soc_card_get_drvdata(card); > - struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card); > - struct device *dev = &priv->pdev->dev; > - unsigned int pll_out; > - int ret; > - > - rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); > - codec_dai = rtd->codec_dai; > - if (dapm->dev != codec_dai->dev) > - return 0; > - > - switch (level) { > - case SND_SOC_BIAS_PREPARE: > - if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { > - if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE) > - pll_out = priv->sample_rate * 384; > - else > - pll_out = priv->sample_rate * 256; > - > - ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL, > - WM8962_FLL_MCLK, data->clk_frequency, > - pll_out); > - if (ret < 0) { > - dev_err(dev, "failed to start FLL: %d\n", ret); > - return ret; > - } > - > - ret = snd_soc_dai_set_sysclk(codec_dai, > - WM8962_SYSCLK_FLL, pll_out, > - SND_SOC_CLOCK_IN); > - if (ret < 0) { > - dev_err(dev, "failed to set SYSCLK: %d\n", ret); > - return ret; > - } > - } > - break; > - > - case SND_SOC_BIAS_STANDBY: > - if (dapm->bias_level == SND_SOC_BIAS_PREPARE) { > - ret = snd_soc_dai_set_sysclk(codec_dai, > - WM8962_SYSCLK_MCLK, data->clk_frequency, > - SND_SOC_CLOCK_IN); > - if (ret < 0) { > - dev_err(dev, > - "failed to switch away from FLL: %d\n", > - ret); > - return ret; > - } > - > - ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL, > - 0, 0, 0); > - if (ret < 0) { > - dev_err(dev, "failed to stop FLL: %d\n", ret); > - return ret; > - } > - } > - break; > - > - default: > - break; > - } > - > - return 0; > -} > - > -static int imx_wm8962_late_probe(struct snd_soc_card *card) > -{ > - struct snd_soc_pcm_runtime *rtd; > - struct snd_soc_dai *codec_dai; > - struct imx_priv *priv = snd_soc_card_get_drvdata(card); > - struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card); > - struct device *dev = &priv->pdev->dev; > - int ret; > - > - rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); > - codec_dai = rtd->codec_dai; > - ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK, > - data->clk_frequency, SND_SOC_CLOCK_IN); > - if (ret < 0) > - dev_err(dev, "failed to set sysclk in %s\n", __func__); > - > - return ret; > -} > - > -static int imx_wm8962_probe(struct platform_device *pdev) > -{ > - struct device_node *np = pdev->dev.of_node; > - struct device_node *ssi_np, *codec_np; > - struct platform_device *ssi_pdev; > - struct i2c_client *codec_dev; > - struct imx_wm8962_data *data; > - struct imx_priv *priv; > - struct clk *codec_clk; > - int int_port, ext_port; > - int ret; > - > - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); > - if (!priv) > - return -ENOMEM; > - > - priv->pdev = pdev; > - priv->sample_rate = 44100; > - priv->sample_format = SNDRV_PCM_FORMAT_S16_LE; > - > - ret = of_property_read_u32(np, "mux-int-port", &int_port); > - if (ret) { > - dev_err(&pdev->dev, "mux-int-port missing or invalid\n"); > - return ret; > - } > - ret = of_property_read_u32(np, "mux-ext-port", &ext_port); > - if (ret) { > - dev_err(&pdev->dev, "mux-ext-port missing or invalid\n"); > - return ret; > - } > - > - /* > - * The port numbering in the hardware manual starts at 1, while > - * the audmux API expects it starts at 0. > - */ > - int_port--; > - ext_port--; > - ret = imx_audmux_v2_configure_port(int_port, > - IMX_AUDMUX_V2_PTCR_SYN | > - IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | > - IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | > - IMX_AUDMUX_V2_PTCR_TFSDIR | > - IMX_AUDMUX_V2_PTCR_TCLKDIR, > - IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)); > - if (ret) { > - dev_err(&pdev->dev, "audmux internal port setup failed\n"); > - return ret; > - } > - ret = imx_audmux_v2_configure_port(ext_port, > - IMX_AUDMUX_V2_PTCR_SYN, > - IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)); > - if (ret) { > - dev_err(&pdev->dev, "audmux external port setup failed\n"); > - return ret; > - } > - > - ssi_np = of_parse_phandle(pdev->dev.of_node, "ssi-controller", 0); > - codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0); > - if (!ssi_np || !codec_np) { > - dev_err(&pdev->dev, "phandle missing or invalid\n"); > - ret = -EINVAL; > - goto fail; > - } > - > - ssi_pdev = of_find_device_by_node(ssi_np); > - if (!ssi_pdev) { > - dev_err(&pdev->dev, "failed to find SSI 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; > - } > - > - codec_clk = clk_get(&codec_dev->dev, NULL); > - if (IS_ERR(codec_clk)) { > - ret = PTR_ERR(codec_clk); > - dev_err(&codec_dev->dev, "failed to get codec clk: %d\n", ret); > - goto fail; > - } > - > - data->clk_frequency = clk_get_rate(codec_clk); > - clk_put(codec_clk); > - > - data->dai.name = "HiFi"; > - data->dai.stream_name = "HiFi"; > - data->dai.codec_dai_name = "wm8962"; > - data->dai.codec_of_node = codec_np; > - data->dai.cpu_dai_name = dev_name(&ssi_pdev->dev); > - data->dai.platform_of_node = ssi_np; > - data->dai.ops = &imx_hifi_ops; > - data->dai.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | > - SND_SOC_DAIFMT_CBM_CFM; > - > - data->card.dev = &pdev->dev; > - ret = snd_soc_of_parse_card_name(&data->card, "model"); > - if (ret) > - goto fail; > - ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing"); > - if (ret) > - goto fail; > - data->card.num_links = 1; > - data->card.owner = THIS_MODULE; > - data->card.dai_link = &data->dai; > - data->card.dapm_widgets = imx_wm8962_dapm_widgets; > - data->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8962_dapm_widgets); > - > - data->card.late_probe = imx_wm8962_late_probe; > - data->card.set_bias_level = imx_wm8962_set_bias_level; > - > - 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; > - } > - > -fail: > - of_node_put(ssi_np); > - of_node_put(codec_np); > - > - return ret; > -} > - > -static const struct of_device_id imx_wm8962_dt_ids[] = { > - { .compatible = "fsl,imx-audio-wm8962", }, > - { /* sentinel */ } > -}; > -MODULE_DEVICE_TABLE(of, imx_wm8962_dt_ids); > - > -static struct platform_driver imx_wm8962_driver = { > - .driver = { > - .name = "imx-wm8962", > - .pm = &snd_soc_pm_ops, > - .of_match_table = imx_wm8962_dt_ids, > - }, > - .probe = imx_wm8962_probe, > -}; > -module_platform_driver(imx_wm8962_driver); > - > -MODULE_AUTHOR("Freescale Semiconductor, Inc."); > -MODULE_DESCRIPTION("Freescale i.MX WM8962 ASoC machine driver"); > -MODULE_LICENSE("GPL v2"); > -MODULE_ALIAS("platform:imx-wm8962"); > -- > 2.7.4 >
On Lu, 2018-02-26 at 17:28 -0800, Nicolin Chen wrote: > On Mon, Feb 26, 2018 at 10:24:49PM -0300, Fabio Estevam wrote: > > > > From: Fabio Estevam <fabio.estevam@nxp.com> > > > > fsl-asoc-card machine driver also handles wm8962, so there is > > really no need for keeping the dedicated imx-wm8962 driver anymore. > > > > Remove the imx-wm8962 machine driver. > > > > Suggested-by: Nicolin Chen <nicoleotsuka@gmail.com> > > Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> > Acked-by: Nicolin Chen <nicoleotsuka@gmail.com> Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
diff --git a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt index f749e27..c60a573 100644 --- a/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt +++ b/Documentation/devicetree/bindings/sound/fsl-asoc-card.txt @@ -28,7 +28,6 @@ The compatible list for this generic sound card currently: (compatible with CS4271 and CS4272) "fsl,imx-audio-wm8962" - (compatible with Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt) "fsl,imx-audio-sgtl5000" (compatible with Documentation/devicetree/bindings/sound/imx-audio-sgtl5000.txt) diff --git a/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt b/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt deleted file mode 100644 index acea71b..0000000 --- a/Documentation/devicetree/bindings/sound/imx-audio-wm8962.txt +++ /dev/null @@ -1,53 +0,0 @@ -Freescale i.MX audio complex with WM8962 codec - -Required properties: - - - compatible : "fsl,imx-audio-wm8962" - - - model : The user-visible name of this sound complex - - - ssi-controller : The phandle of the i.MX SSI controller - - - audio-codec : The phandle of the WM8962 audio codec - - - audio-routing : A list of the connections between audio components. - Each entry is a pair of strings, the first being the - connection's sink, the second being the connection's - source. Valid names could be power supplies, WM8962 - pins, and the jacks on the board: - - Power supplies: - * Mic Bias - - Board connectors: - * Mic Jack - * Headphone Jack - * Ext Spk - - - mux-int-port : The internal port of the i.MX audio muxer (AUDMUX) - - - mux-ext-port : The external port of the i.MX audio muxer - -Note: The AUDMUX port numbering should start at 1, which is consistent with -hardware manual. - -Example: - -sound { - compatible = "fsl,imx6q-sabresd-wm8962", - "fsl,imx-audio-wm8962"; - model = "wm8962-audio"; - ssi-controller = <&ssi2>; - audio-codec = <&codec>; - audio-routing = - "Headphone Jack", "HPOUTL", - "Headphone Jack", "HPOUTR", - "Ext Spk", "SPKOUTL", - "Ext Spk", "SPKOUTR", - "MICBIAS", "AMIC", - "IN3R", "MICBIAS", - "DMIC", "MICBIAS", - "DMICDAT", "DMIC"; - mux-int-port = <2>; - mux-ext-port = <3>; -}; diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig index 37f9b62..6ec19fb 100644 --- a/sound/soc/fsl/Kconfig +++ b/sound/soc/fsl/Kconfig @@ -231,17 +231,6 @@ config SND_SOC_EUKREA_TLV320 Enable I2S based access to the TLV320AIC23B codec attached to the SSI interface -config SND_SOC_IMX_WM8962 - tristate "SoC Audio support for i.MX boards with wm8962" - depends on OF && I2C && INPUT - select SND_SOC_WM8962 - select SND_SOC_IMX_PCM_DMA - select SND_SOC_IMX_AUDMUX - select SND_SOC_FSL_SSI - help - Say Y if you want to add support for SoC audio on an i.MX board with - a wm8962 codec. - config SND_SOC_IMX_ES8328 tristate "SoC Audio support for i.MX boards with the ES8328 codec" depends on OF && (I2C || SPI) diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile index c67bf11..de94fa0 100644 --- a/sound/soc/fsl/Makefile +++ b/sound/soc/fsl/Makefile @@ -55,7 +55,6 @@ 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-wm8962-objs := imx-wm8962.o snd-soc-imx-spdif-objs := imx-spdif.o snd-soc-imx-mc13783-objs := imx-mc13783.o @@ -65,6 +64,5 @@ 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_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-wm8962.c b/sound/soc/fsl/imx-wm8962.c deleted file mode 100644 index 206b898..0000000 --- a/sound/soc/fsl/imx-wm8962.c +++ /dev/null @@ -1,312 +0,0 @@ -/* - * Copyright 2013 Freescale Semiconductor, Inc. - * - * Based on imx-sgtl5000.c - * Copyright 2012 Freescale Semiconductor, Inc. - * Copyright 2012 Linaro Ltd. - * - * 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/slab.h> -#include <linux/clk.h> -#include <sound/soc.h> -#include <sound/pcm_params.h> -#include <sound/soc-dapm.h> -#include <linux/pinctrl/consumer.h> - -#include "../codecs/wm8962.h" -#include "imx-audmux.h" - -#define DAI_NAME_SIZE 32 - -struct imx_wm8962_data { - struct snd_soc_dai_link dai; - struct snd_soc_card card; - char codec_dai_name[DAI_NAME_SIZE]; - char platform_name[DAI_NAME_SIZE]; - unsigned int clk_frequency; -}; - -struct imx_priv { - struct platform_device *pdev; - int sample_rate; - snd_pcm_format_t sample_format; -}; - -static const struct snd_soc_dapm_widget imx_wm8962_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_SPK("Ext Spk", NULL), - SND_SOC_DAPM_MIC("AMIC", NULL), - SND_SOC_DAPM_MIC("DMIC", NULL), -}; - -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 imx_priv *priv = snd_soc_card_get_drvdata(rtd->card); - - priv->sample_rate = params_rate(params); - priv->sample_format = params_format(params); - - return 0; -} - -static const struct snd_soc_ops imx_hifi_ops = { - .hw_params = imx_hifi_hw_params, -}; - -static int imx_wm8962_set_bias_level(struct snd_soc_card *card, - struct snd_soc_dapm_context *dapm, - enum snd_soc_bias_level level) -{ - struct snd_soc_pcm_runtime *rtd; - struct snd_soc_dai *codec_dai; - struct imx_priv *priv = snd_soc_card_get_drvdata(card); - struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card); - struct device *dev = &priv->pdev->dev; - unsigned int pll_out; - int ret; - - rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); - codec_dai = rtd->codec_dai; - if (dapm->dev != codec_dai->dev) - return 0; - - switch (level) { - case SND_SOC_BIAS_PREPARE: - if (dapm->bias_level == SND_SOC_BIAS_STANDBY) { - if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE) - pll_out = priv->sample_rate * 384; - else - pll_out = priv->sample_rate * 256; - - ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL, - WM8962_FLL_MCLK, data->clk_frequency, - pll_out); - if (ret < 0) { - dev_err(dev, "failed to start FLL: %d\n", ret); - return ret; - } - - ret = snd_soc_dai_set_sysclk(codec_dai, - WM8962_SYSCLK_FLL, pll_out, - SND_SOC_CLOCK_IN); - if (ret < 0) { - dev_err(dev, "failed to set SYSCLK: %d\n", ret); - return ret; - } - } - break; - - case SND_SOC_BIAS_STANDBY: - if (dapm->bias_level == SND_SOC_BIAS_PREPARE) { - ret = snd_soc_dai_set_sysclk(codec_dai, - WM8962_SYSCLK_MCLK, data->clk_frequency, - SND_SOC_CLOCK_IN); - if (ret < 0) { - dev_err(dev, - "failed to switch away from FLL: %d\n", - ret); - return ret; - } - - ret = snd_soc_dai_set_pll(codec_dai, WM8962_FLL, - 0, 0, 0); - if (ret < 0) { - dev_err(dev, "failed to stop FLL: %d\n", ret); - return ret; - } - } - break; - - default: - break; - } - - return 0; -} - -static int imx_wm8962_late_probe(struct snd_soc_card *card) -{ - struct snd_soc_pcm_runtime *rtd; - struct snd_soc_dai *codec_dai; - struct imx_priv *priv = snd_soc_card_get_drvdata(card); - struct imx_wm8962_data *data = snd_soc_card_get_drvdata(card); - struct device *dev = &priv->pdev->dev; - int ret; - - rtd = snd_soc_get_pcm_runtime(card, card->dai_link[0].name); - codec_dai = rtd->codec_dai; - ret = snd_soc_dai_set_sysclk(codec_dai, WM8962_SYSCLK_MCLK, - data->clk_frequency, SND_SOC_CLOCK_IN); - if (ret < 0) - dev_err(dev, "failed to set sysclk in %s\n", __func__); - - return ret; -} - -static int imx_wm8962_probe(struct platform_device *pdev) -{ - struct device_node *np = pdev->dev.of_node; - struct device_node *ssi_np, *codec_np; - struct platform_device *ssi_pdev; - struct i2c_client *codec_dev; - struct imx_wm8962_data *data; - struct imx_priv *priv; - struct clk *codec_clk; - int int_port, ext_port; - int ret; - - priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); - if (!priv) - return -ENOMEM; - - priv->pdev = pdev; - priv->sample_rate = 44100; - priv->sample_format = SNDRV_PCM_FORMAT_S16_LE; - - ret = of_property_read_u32(np, "mux-int-port", &int_port); - if (ret) { - dev_err(&pdev->dev, "mux-int-port missing or invalid\n"); - return ret; - } - ret = of_property_read_u32(np, "mux-ext-port", &ext_port); - if (ret) { - dev_err(&pdev->dev, "mux-ext-port missing or invalid\n"); - return ret; - } - - /* - * The port numbering in the hardware manual starts at 1, while - * the audmux API expects it starts at 0. - */ - int_port--; - ext_port--; - ret = imx_audmux_v2_configure_port(int_port, - IMX_AUDMUX_V2_PTCR_SYN | - IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) | - IMX_AUDMUX_V2_PTCR_TCSEL(ext_port) | - IMX_AUDMUX_V2_PTCR_TFSDIR | - IMX_AUDMUX_V2_PTCR_TCLKDIR, - IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)); - if (ret) { - dev_err(&pdev->dev, "audmux internal port setup failed\n"); - return ret; - } - ret = imx_audmux_v2_configure_port(ext_port, - IMX_AUDMUX_V2_PTCR_SYN, - IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)); - if (ret) { - dev_err(&pdev->dev, "audmux external port setup failed\n"); - return ret; - } - - ssi_np = of_parse_phandle(pdev->dev.of_node, "ssi-controller", 0); - codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0); - if (!ssi_np || !codec_np) { - dev_err(&pdev->dev, "phandle missing or invalid\n"); - ret = -EINVAL; - goto fail; - } - - ssi_pdev = of_find_device_by_node(ssi_np); - if (!ssi_pdev) { - dev_err(&pdev->dev, "failed to find SSI 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; - } - - codec_clk = clk_get(&codec_dev->dev, NULL); - if (IS_ERR(codec_clk)) { - ret = PTR_ERR(codec_clk); - dev_err(&codec_dev->dev, "failed to get codec clk: %d\n", ret); - goto fail; - } - - data->clk_frequency = clk_get_rate(codec_clk); - clk_put(codec_clk); - - data->dai.name = "HiFi"; - data->dai.stream_name = "HiFi"; - data->dai.codec_dai_name = "wm8962"; - data->dai.codec_of_node = codec_np; - data->dai.cpu_dai_name = dev_name(&ssi_pdev->dev); - data->dai.platform_of_node = ssi_np; - data->dai.ops = &imx_hifi_ops; - data->dai.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF | - SND_SOC_DAIFMT_CBM_CFM; - - data->card.dev = &pdev->dev; - ret = snd_soc_of_parse_card_name(&data->card, "model"); - if (ret) - goto fail; - ret = snd_soc_of_parse_audio_routing(&data->card, "audio-routing"); - if (ret) - goto fail; - data->card.num_links = 1; - data->card.owner = THIS_MODULE; - data->card.dai_link = &data->dai; - data->card.dapm_widgets = imx_wm8962_dapm_widgets; - data->card.num_dapm_widgets = ARRAY_SIZE(imx_wm8962_dapm_widgets); - - data->card.late_probe = imx_wm8962_late_probe; - data->card.set_bias_level = imx_wm8962_set_bias_level; - - 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; - } - -fail: - of_node_put(ssi_np); - of_node_put(codec_np); - - return ret; -} - -static const struct of_device_id imx_wm8962_dt_ids[] = { - { .compatible = "fsl,imx-audio-wm8962", }, - { /* sentinel */ } -}; -MODULE_DEVICE_TABLE(of, imx_wm8962_dt_ids); - -static struct platform_driver imx_wm8962_driver = { - .driver = { - .name = "imx-wm8962", - .pm = &snd_soc_pm_ops, - .of_match_table = imx_wm8962_dt_ids, - }, - .probe = imx_wm8962_probe, -}; -module_platform_driver(imx_wm8962_driver); - -MODULE_AUTHOR("Freescale Semiconductor, Inc."); -MODULE_DESCRIPTION("Freescale i.MX WM8962 ASoC machine driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:imx-wm8962");