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-rw-r--r--sound/soc/fsl/Kconfig11
-rw-r--r--sound/soc/fsl/Makefile2
-rw-r--r--sound/soc/fsl/imx-sii902x.c242
3 files changed, 255 insertions, 0 deletions
diff --git a/sound/soc/fsl/Kconfig b/sound/soc/fsl/Kconfig
index ea681cf2f929..22cf33832b29 100644
--- a/sound/soc/fsl/Kconfig
+++ b/sound/soc/fsl/Kconfig
@@ -262,6 +262,17 @@ config SND_SOC_IMX_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_SII902X
+ tristate "SoC Audio support for i.MX boards with sii902x"
+ depends on OF && I2C
+ select SND_SOC_IMX_PCM_DMA
+ select SND_SOC_FSL_SAI
+ select SND_SOC_FSL_UTILS
+ help
+ SoC Audio support for i.MX boards with SII902X
+ Say Y if you want to add support for SoC audio on an i.MX board with
+ a sii902x.
+
config SND_SOC_IMX_WM8958
tristate "SoC Audio support for i.MX boards with wm8958"
depends on OF && I2C
diff --git a/sound/soc/fsl/Makefile b/sound/soc/fsl/Makefile
index c522d03afdc1..e1701e5243ec 100644
--- a/sound/soc/fsl/Makefile
+++ b/sound/soc/fsl/Makefile
@@ -64,6 +64,7 @@ snd-soc-imx-sgtl5000-objs := imx-sgtl5000.o
snd-soc-imx-wm8958-objs := imx-wm8958.o
snd-soc-imx-wm8960-objs := imx-wm8960.o
snd-soc-imx-wm8962-objs := imx-wm8962.o
+snd-soc-imx-sii902x-objs := imx-sii902x.o
snd-soc-imx-spdif-objs := imx-spdif.o
snd-soc-imx-mc13783-objs := imx-mc13783.o
snd-soc-imx-audmix-objs := imx-audmix.o
@@ -79,6 +80,7 @@ obj-$(CONFIG_SND_SOC_IMX_SGTL5000) += snd-soc-imx-sgtl5000.o
obj-${CONFIG_SND_SOC_IMX_WM8958} += snd-soc-imx-wm8958.o
obj-$(CONFIG_SND_SOC_IMX_WM8960) += snd-soc-imx-wm8960.o
obj-$(CONFIG_SND_SOC_IMX_WM8962) += snd-soc-imx-wm8962.o
+obj-$(CONFIG_SND_SOC_IMX_SII902X) += snd-soc-imx-sii902x.o
obj-$(CONFIG_SND_SOC_IMX_SPDIF) += snd-soc-imx-spdif.o
obj-$(CONFIG_SND_SOC_IMX_MC13783) += snd-soc-imx-mc13783.o
obj-$(CONFIG_SND_SOC_IMX_AUDMIX) += snd-soc-imx-audmix.o
diff --git a/sound/soc/fsl/imx-sii902x.c b/sound/soc/fsl/imx-sii902x.c
new file mode 100644
index 000000000000..61154776b0fc
--- /dev/null
+++ b/sound/soc/fsl/imx-sii902x.c
@@ -0,0 +1,242 @@
+/*
+ * 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>
+
+#define SUPPORT_RATE_NUM 10
+
+struct imx_sii902x_data {
+ struct snd_soc_dai_link dai;
+ struct snd_soc_card card;
+ struct i2c_client *sii902x;
+};
+
+static int imx_sii902x_startup(struct snd_pcm_substream *substream)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ static struct snd_pcm_hw_constraint_list constraint_rates;
+ static u32 support_rates[SUPPORT_RATE_NUM];
+ int ret;
+
+ support_rates[0] = 32000;
+ support_rates[1] = 48000;
+ constraint_rates.list = support_rates;
+ constraint_rates.count = 2;
+
+ ret = snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE,
+ &constraint_rates);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int imx_sii902x_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 *cpu_dai = rtd->cpu_dai;
+ struct snd_soc_card *card = rtd->card;
+ struct device *dev = card->dev;
+ struct imx_sii902x_data *data = snd_soc_card_get_drvdata(card);
+ int ret;
+ unsigned char reg;
+
+ /* set cpu DAI configuration */
+ ret = snd_soc_dai_set_fmt(cpu_dai,
+ SND_SOC_DAIFMT_LEFT_J |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS);
+ if (ret) {
+ dev_err(dev, "failed to set cpu dai fmt: %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;
+ }
+
+ ret = snd_soc_dai_set_tdm_slot(cpu_dai, 0, 0, 2, 24);
+ if (ret) {
+ dev_err(dev, "failed to set cpu dai tdm slot: %d\n", ret);
+ return ret;
+ }
+
+ /* sii90sx hdmi audio setup */
+ i2c_smbus_write_byte_data(data->sii902x, 0x26, 0x90);
+ i2c_smbus_write_byte_data(data->sii902x, 0x20, 0x2d);
+ i2c_smbus_write_byte_data(data->sii902x, 0x1f, 0x88);
+ i2c_smbus_write_byte_data(data->sii902x, 0x1f, 0x91);
+ i2c_smbus_write_byte_data(data->sii902x, 0x1f, 0xa2);
+ i2c_smbus_write_byte_data(data->sii902x, 0x1f, 0xb3);
+ i2c_smbus_write_byte_data(data->sii902x, 0x27, 0);
+ switch (params_rate(params)) {
+ case 44100:
+ reg = 0;
+ break;
+ case 48000:
+ reg = 0x2;
+ break;
+ case 32000:
+ reg = 0x3;
+ break;
+ case 88200:
+ reg = 0x8;
+ break;
+ case 96000:
+ reg = 0xa;
+ break;
+ case 176400:
+ reg = 0xc;
+ break;
+ case 192000:
+ reg = 0xe;
+ break;
+ default:
+ reg = 0x1;
+ break;
+ }
+ i2c_smbus_write_byte_data(data->sii902x, 0x24, reg);
+ i2c_smbus_write_byte_data(data->sii902x, 0x25, 0x0b);
+ i2c_smbus_write_byte_data(data->sii902x, 0x26, 0x80);
+
+ return 0;
+}
+
+static int imx_sii902x_hw_free(struct snd_pcm_substream *substream)
+{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_card *card = rtd->card;
+ struct imx_sii902x_data *data = snd_soc_card_get_drvdata(card);
+
+ i2c_smbus_write_byte_data(data->sii902x, 0x26, 0x10);
+
+ return 0;
+}
+
+static struct snd_soc_ops imx_sii902x_ops = {
+ .startup = imx_sii902x_startup,
+ .hw_params = imx_sii902x_hw_params,
+ .hw_free = imx_sii902x_hw_free,
+};
+
+static int imx_sii902x_probe(struct platform_device *pdev)
+{
+ struct device_node *cpu_np, *sii902x_np;
+ struct platform_device *cpu_pdev;
+ struct imx_sii902x_data *data;
+ int ret;
+
+ 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;
+ }
+
+ sii902x_np = of_parse_phandle(pdev->dev.of_node, "hdmi-controler", 0);
+ if (!sii902x_np) {
+ dev_err(&pdev->dev, "sii902x 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;
+ }
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ data->sii902x = of_find_i2c_device_by_node(sii902x_np);
+ if (!data->sii902x) {
+ dev_err(&pdev->dev, "failed to find sii902x i2c client\n");
+ ret = -EPROBE_DEFER;
+ goto fail;
+ }
+
+ data->dai.name = "sii902x hdmi";
+ data->dai.stream_name = "sii902x hdmi";
+ data->dai.codec_dai_name = "snd-soc-dummy-dai";
+ data->dai.codec_name = "snd-soc-dummy";
+ data->dai.cpu_dai_name = dev_name(&cpu_pdev->dev);
+ data->dai.platform_of_node = cpu_np;
+ data->dai.ops = &imx_sii902x_ops;
+ data->dai.playback_only = true;
+ data->dai.capture_only = false;
+ data->dai.dai_fmt = SND_SOC_DAIFMT_LEFT_J |
+ SND_SOC_DAIFMT_NB_NF |
+ SND_SOC_DAIFMT_CBS_CFS;
+
+ data->card.dev = &pdev->dev;
+ ret = snd_soc_of_parse_card_name(&data->card, "model");
+ if (ret)
+ goto fail;
+ data->card.num_links = 1;
+ data->card.dai_link = &data->dai;
+
+ 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:
+ if (cpu_np)
+ of_node_put(cpu_np);
+ if (sii902x_np)
+ of_node_put(sii902x_np);
+ return ret;
+}
+
+static const struct of_device_id imx_sii902x_dt_ids[] = {
+ { .compatible = "fsl,imx-audio-sii902x", },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, imx_sii902x_dt_ids);
+
+static struct platform_driver imx_sii902x_driver = {
+ .driver = {
+ .name = "imx-sii902x",
+ .owner = THIS_MODULE,
+ .pm = &snd_soc_pm_ops,
+ .of_match_table = imx_sii902x_dt_ids,
+ },
+ .probe = imx_sii902x_probe,
+};
+module_platform_driver(imx_sii902x_driver);
+
+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
+MODULE_DESCRIPTION("Freescale i.MX SII902X hdmi audio ASoC machine driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:imx-sii902x");
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-09 02:06:57 +0000