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-rw-r--r--target/linux/ramips/patches-4.3/0048-asoc-add-mt7620-support.patch765
1 files changed, 0 insertions, 765 deletions
diff --git a/target/linux/ramips/patches-4.3/0048-asoc-add-mt7620-support.patch b/target/linux/ramips/patches-4.3/0048-asoc-add-mt7620-support.patch
deleted file mode 100644
index e329c316d7..0000000000
--- a/target/linux/ramips/patches-4.3/0048-asoc-add-mt7620-support.patch
+++ /dev/null
@@ -1,765 +0,0 @@
-From 7f29222b1731e8182ba94a331531dec18865a1e4 Mon Sep 17 00:00:00 2001
-From: John Crispin <blogic@openwrt.org>
-Date: Sun, 27 Jul 2014 09:31:47 +0100
-Subject: [PATCH 48/53] asoc: add mt7620 support
-
-Signed-off-by: John Crispin <blogic@openwrt.org>
----
- arch/mips/ralink/of.c | 2 +
- sound/soc/Kconfig | 1 +
- sound/soc/Makefile | 1 +
- sound/soc/ralink/Kconfig | 15 ++
- sound/soc/ralink/Makefile | 11 +
- sound/soc/ralink/mt7620-i2s.c | 436 ++++++++++++++++++++++++++++++++++++++
- sound/soc/ralink/mt7620-wm8960.c | 233 ++++++++++++++++++++
- 7 files changed, 699 insertions(+)
- create mode 100644 sound/soc/ralink/Kconfig
- create mode 100644 sound/soc/ralink/Makefile
- create mode 100644 sound/soc/ralink/mt7620-i2s.c
- create mode 100644 sound/soc/ralink/mt7620-wm8960.c
-
---- a/arch/mips/ralink/of.c
-+++ b/arch/mips/ralink/of.c
-@@ -15,6 +15,7 @@
- #include <linux/of_fdt.h>
- #include <linux/kernel.h>
- #include <linux/bootmem.h>
-+#include <linux/module.h>
- #include <linux/of_platform.h>
- #include <linux/of_address.h>
-
-@@ -26,6 +27,7 @@
- #include "common.h"
-
- __iomem void *rt_sysc_membase;
-+EXPORT_SYMBOL(rt_sysc_membase);
- __iomem void *rt_memc_membase;
-
- __iomem void *plat_of_remap_node(const char *node)
---- a/sound/soc/Kconfig
-+++ b/sound/soc/Kconfig
-@@ -53,6 +53,7 @@ source "sound/soc/mxs/Kconfig"
- source "sound/soc/pxa/Kconfig"
- source "sound/soc/qcom/Kconfig"
- source "sound/soc/rockchip/Kconfig"
-+source "sound/soc/ralink/Kconfig"
- source "sound/soc/samsung/Kconfig"
- source "sound/soc/sh/Kconfig"
- source "sound/soc/sirf/Kconfig"
---- a/sound/soc/Makefile
-+++ b/sound/soc/Makefile
-@@ -35,6 +35,7 @@ obj-$(CONFIG_SND_SOC) += kirkwood/
- obj-$(CONFIG_SND_SOC) += pxa/
- obj-$(CONFIG_SND_SOC) += qcom/
- obj-$(CONFIG_SND_SOC) += rockchip/
-+obj-$(CONFIG_SND_SOC) += ralink/
- obj-$(CONFIG_SND_SOC) += samsung/
- obj-$(CONFIG_SND_SOC) += sh/
- obj-$(CONFIG_SND_SOC) += sirf/
---- /dev/null
-+++ b/sound/soc/ralink/Kconfig
-@@ -0,0 +1,15 @@
-+config SND_MT7620_SOC_I2S
-+ depends on SOC_MT7620 && SND_SOC
-+ select SND_SOC_GENERIC_DMAENGINE_PCM
-+ tristate "SoC Audio (I2S protocol) for Ralink MT7620 SoC"
-+ help
-+ Say Y if you want to use I2S protocol and I2S codec on Ingenic MT7620
-+ based boards.
-+
-+config SND_MT7620_SOC_WM8960
-+ tristate "SoC Audio support for Ralink WM8960"
-+ select SND_MT7620_SOC_I2S
-+ select SND_SOC_WM8960
-+ help
-+ Say Y if you want to add support for ASoC audio on the Qi LB60 board
-+ a.k.a Qi Ben NanoNote.
---- /dev/null
-+++ b/sound/soc/ralink/Makefile
-@@ -0,0 +1,11 @@
-+#
-+# Jz4740 Platform Support
-+#
-+snd-soc-mt7620-i2s-objs := mt7620-i2s.o
-+
-+obj-$(CONFIG_SND_MT7620_SOC_I2S) += snd-soc-mt7620-i2s.o
-+
-+# Jz4740 Machine Support
-+snd-soc-mt7620-wm8960-objs := mt7620-wm8960.o
-+
-+obj-$(CONFIG_SND_MT7620_SOC_WM8960) += snd-soc-mt7620-wm8960.o
---- /dev/null
-+++ b/sound/soc/ralink/mt7620-i2s.c
-@@ -0,0 +1,436 @@
-+/*
-+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
-+ *
-+ * This program is free software; you can redistribute it and/or modify it
-+ * under the terms of the GNU General Public License as published by the
-+ * Free Software Foundation; either version 2 of the License, or (at your
-+ * option) any later version.
-+ *
-+ * You should have received a copy of the GNU General Public License along
-+ * with this program; if not, write to the Free Software Foundation, Inc.,
-+ * 675 Mass Ave, Cambridge, MA 02139, USA.
-+ *
-+ */
-+
-+#include <linux/init.h>
-+#include <linux/io.h>
-+#include <linux/kernel.h>
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+#include <linux/slab.h>
-+
-+#include <linux/delay.h>
-+
-+#include <linux/dma-mapping.h>
-+
-+#include <sound/core.h>
-+#include <sound/pcm.h>
-+#include <sound/pcm_params.h>
-+#include <sound/soc.h>
-+#include <sound/initval.h>
-+#include <sound/dmaengine_pcm.h>
-+
-+#include <ralink_regs.h>
-+
-+#define I2S_REG_CFG0 0x00
-+#define I2S_REG_CFG0_EN BIT(31)
-+#define I2S_REG_CFG0_DMA_EN BIT(30)
-+#define I2S_REG_CFG0_BYTE_SWAP BIT(28)
-+#define I2S_REG_CFG0_TX_EN BIT(24)
-+#define I2S_REG_CFG0_RX_EN BIT(20)
-+#define I2S_REG_CFG0_SLAVE BIT(16)
-+#define I2S_REG_CFG0_RX_THRES 12
-+#define I2S_REG_CFG0_TX_THRES 4
-+#define I2S_REG_CFG0_DFT_THRES (4 << I2S_REG_CFG0_RX_THRES) | \
-+ (4 << I2S_REG_CFG0_TX_THRES)
-+
-+#define I2S_REG_INT_STATUS 0x04
-+#define I2S_REG_INT_EN 0x08
-+#define I2S_REG_FF_STATUS 0x0c
-+#define I2S_REG_WREG 0x10
-+#define I2S_REG_RREG 0x14
-+#define I2S_REG_CFG1 0x18
-+
-+#define I2S_REG_DIVCMP 0x20
-+#define I2S_REG_DIVINT 0x24
-+#define I2S_REG_CLK_EN BIT(31)
-+
-+struct mt7620_i2s {
-+ struct resource *mem;
-+ void __iomem *base;
-+ dma_addr_t phys_base;
-+
-+ struct snd_dmaengine_dai_dma_data playback_dma_data;
-+ struct snd_dmaengine_dai_dma_data capture_dma_data;
-+};
-+
-+static inline uint32_t mt7620_i2s_read(const struct mt7620_i2s *i2s,
-+ unsigned int reg)
-+{
-+ return readl(i2s->base + reg);
-+}
-+
-+static inline void mt7620_i2s_write(const struct mt7620_i2s *i2s,
-+ unsigned int reg, uint32_t value)
-+{
-+ //printk("i2s --> %p = 0x%08X\n", i2s->base + reg, value);
-+ writel(value, i2s->base + reg);
-+}
-+
-+static int mt7620_i2s_startup(struct snd_pcm_substream *substream,
-+ struct snd_soc_dai *dai)
-+{
-+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ uint32_t cfg;
-+
-+ if (dai->active)
-+ return 0;
-+
-+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
-+ cfg |= I2S_REG_CFG0_EN;
-+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
-+
-+ return 0;
-+}
-+
-+static void mt7620_i2s_shutdown(struct snd_pcm_substream *substream,
-+ struct snd_soc_dai *dai)
-+{
-+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ uint32_t cfg;
-+
-+ if (dai->active)
-+ return;
-+
-+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
-+ cfg &= ~I2S_REG_CFG0_EN;
-+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
-+}
-+
-+static int mt7620_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
-+ struct snd_soc_dai *dai)
-+{
-+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+
-+ uint32_t cfg;
-+ uint32_t mask;
-+
-+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-+ mask = I2S_REG_CFG0_TX_EN;
-+ else
-+ mask = I2S_REG_CFG0_RX_EN;
-+
-+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
-+
-+ switch (cmd) {
-+ case SNDRV_PCM_TRIGGER_START:
-+ case SNDRV_PCM_TRIGGER_RESUME:
-+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-+ cfg |= mask;
-+ break;
-+ case SNDRV_PCM_TRIGGER_STOP:
-+ case SNDRV_PCM_TRIGGER_SUSPEND:
-+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-+ cfg &= ~mask;
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ if (cfg & (I2S_REG_CFG0_TX_EN | I2S_REG_CFG0_RX_EN))
-+ cfg |= I2S_REG_CFG0_DMA_EN;
-+ else
-+ cfg &= ~I2S_REG_CFG0_DMA_EN;
-+
-+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
-+
-+ return 0;
-+}
-+
-+static int mt7620_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
-+{
-+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ uint32_t cfg;
-+
-+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
-+
-+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-+ case SND_SOC_DAIFMT_CBS_CFS:
-+ cfg |= I2S_REG_CFG0_SLAVE;
-+ break;
-+ case SND_SOC_DAIFMT_CBM_CFM:
-+ cfg &= ~I2S_REG_CFG0_SLAVE;
-+ break;
-+ case SND_SOC_DAIFMT_CBM_CFS:
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
-+ case SND_SOC_DAIFMT_I2S:
-+ case SND_SOC_DAIFMT_MSB:
-+ cfg &= ~I2S_REG_CFG0_BYTE_SWAP;
-+ break;
-+ case SND_SOC_DAIFMT_LSB:
-+ cfg |= I2S_REG_CFG0_BYTE_SWAP;
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
-+ case SND_SOC_DAIFMT_NB_NF:
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+
-+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
-+
-+ return 0;
-+}
-+
-+static int mt7620_i2s_hw_params(struct snd_pcm_substream *substream,
-+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
-+{
-+
-+ return 0;
-+}
-+
-+unsigned long i2sMaster_inclk_int[11] = {
-+ 78, 56, 52, 39, 28, 26, 19, 14, 13, 9, 6};
-+unsigned long i2sMaster_inclk_comp[11] = {
-+ 64, 352, 42, 32, 176, 21, 272, 88, 10, 455, 261};
-+
-+
-+static int mt7620_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
-+ unsigned int freq, int dir)
-+{
-+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+
-+ printk("Internal REFCLK with fractional division\n");
-+
-+ mt7620_i2s_write(i2s, I2S_REG_DIVINT, i2sMaster_inclk_int[7]);
-+ mt7620_i2s_write(i2s, I2S_REG_DIVCMP,
-+ i2sMaster_inclk_comp[7] | I2S_REG_CLK_EN);
-+
-+/* struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ struct clk *parent;
-+ int ret = 0;
-+
-+ switch (clk_id) {
-+ case JZ4740_I2S_CLKSRC_EXT:
-+ parent = clk_get(NULL, "ext");
-+ clk_set_parent(i2s->clk_i2s, parent);
-+ break;
-+ case JZ4740_I2S_CLKSRC_PLL:
-+ parent = clk_get(NULL, "pll half");
-+ clk_set_parent(i2s->clk_i2s, parent);
-+ ret = clk_set_rate(i2s->clk_i2s, freq);
-+ break;
-+ default:
-+ return -EINVAL;
-+ }
-+ clk_put(parent);
-+
-+ return ret;*/
-+ return 0;
-+}
-+
-+static void mt7620_i2c_init_pcm_config(struct mt7620_i2s *i2s)
-+{
-+ struct snd_dmaengine_dai_dma_data *dma_data;
-+
-+ /* Playback */
-+ dma_data = &i2s->playback_dma_data;
-+ dma_data->maxburst = 16;
-+ dma_data->slave_id = 2; //JZ4740_DMA_TYPE_AIC_TRANSMIT;
-+ dma_data->addr = i2s->phys_base + I2S_REG_WREG;
-+
-+ /* Capture */
-+ dma_data = &i2s->capture_dma_data;
-+ dma_data->maxburst = 16;
-+ dma_data->slave_id = 3; //JZ4740_DMA_TYPE_AIC_RECEIVE;
-+ dma_data->addr = i2s->phys_base + I2S_REG_RREG;
-+}
-+
-+static int mt7620_i2s_dai_probe(struct snd_soc_dai *dai)
-+{
-+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
-+ uint32_t data;
-+
-+ mt7620_i2c_init_pcm_config(i2s);
-+ dai->playback_dma_data = &i2s->playback_dma_data;
-+ dai->capture_dma_data = &i2s->capture_dma_data;
-+
-+ /* set share pins to i2s/gpio mode and i2c mode */
-+ data = rt_sysc_r32(0x60);
-+ data &= 0xFFFFFFE2;
-+ data |= 0x00000018;
-+ rt_sysc_w32(data, 0x60);
-+
-+ printk("Internal REFCLK with fractional division\n");
-+
-+ mt7620_i2s_write(i2s, I2S_REG_CFG0, I2S_REG_CFG0_DFT_THRES);
-+ mt7620_i2s_write(i2s, I2S_REG_CFG1, 0);
-+ mt7620_i2s_write(i2s, I2S_REG_INT_EN, 0);
-+
-+ mt7620_i2s_write(i2s, I2S_REG_DIVINT, i2sMaster_inclk_int[7]);
-+ mt7620_i2s_write(i2s, I2S_REG_DIVCMP,
-+ i2sMaster_inclk_comp[7] | I2S_REG_CLK_EN);
-+
-+ return 0;
-+}
-+
-+static int mt7620_i2s_dai_remove(struct snd_soc_dai *dai)
-+{
-+ return 0;
-+}
-+
-+static const struct snd_soc_dai_ops mt7620_i2s_dai_ops = {
-+ .startup = mt7620_i2s_startup,
-+ .shutdown = mt7620_i2s_shutdown,
-+ .trigger = mt7620_i2s_trigger,
-+ .hw_params = mt7620_i2s_hw_params,
-+ .set_fmt = mt7620_i2s_set_fmt,
-+ .set_sysclk = mt7620_i2s_set_sysclk,
-+};
-+
-+#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
-+ SNDRV_PCM_FMTBIT_S24_LE)
-+
-+static struct snd_soc_dai_driver mt7620_i2s_dai = {
-+ .probe = mt7620_i2s_dai_probe,
-+ .remove = mt7620_i2s_dai_remove,
-+ .playback = {
-+ .channels_min = 1,
-+ .channels_max = 2,
-+ .rates = SNDRV_PCM_RATE_8000_48000,
-+ .formats = JZ4740_I2S_FMTS,
-+ },
-+ .capture = {
-+ .channels_min = 2,
-+ .channels_max = 2,
-+ .rates = SNDRV_PCM_RATE_8000_48000,
-+ .formats = JZ4740_I2S_FMTS,
-+ },
-+ .symmetric_rates = 1,
-+ .ops = &mt7620_i2s_dai_ops,
-+};
-+
-+static const struct snd_pcm_hardware mt7620_pcm_hardware = {
-+ .info = SNDRV_PCM_INFO_MMAP |
-+ SNDRV_PCM_INFO_MMAP_VALID |
-+ SNDRV_PCM_INFO_INTERLEAVED |
-+ SNDRV_PCM_INFO_BLOCK_TRANSFER,
-+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8,
-+ .period_bytes_min = PAGE_SIZE,
-+ .period_bytes_max = 64 * 1024,
-+ .periods_min = 2,
-+ .periods_max = 128,
-+ .buffer_bytes_max = 128 * 1024,
-+ .fifo_size = 32,
-+};
-+
-+static const struct snd_dmaengine_pcm_config mt7620_dmaengine_pcm_config = {
-+ .prepare_slave_config = snd_dmaengine_pcm_prepare_slave_config,
-+ .pcm_hardware = &mt7620_pcm_hardware,
-+ .prealloc_buffer_size = 256 * PAGE_SIZE,
-+};
-+
-+static const struct snd_soc_component_driver mt7620_i2s_component = {
-+ .name = "mt7620-i2s",
-+};
-+
-+static int mt7620_i2s_dev_probe(struct platform_device *pdev)
-+{
-+ struct mt7620_i2s *i2s;
-+ int ret;
-+
-+ snd_dmaengine_pcm_register(&pdev->dev,
-+ &mt7620_dmaengine_pcm_config,
-+ SND_DMAENGINE_PCM_FLAG_COMPAT);
-+
-+ i2s = kzalloc(sizeof(*i2s), GFP_KERNEL);
-+ if (!i2s)
-+ return -ENOMEM;
-+
-+ i2s->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-+ if (!i2s->mem) {
-+ ret = -ENOENT;
-+ goto err_free;
-+ }
-+
-+ i2s->mem = request_mem_region(i2s->mem->start, resource_size(i2s->mem),
-+ pdev->name);
-+ if (!i2s->mem) {
-+ ret = -EBUSY;
-+ goto err_free;
-+ }
-+
-+ i2s->base = ioremap_nocache(i2s->mem->start, resource_size(i2s->mem));
-+ if (!i2s->base) {
-+ ret = -EBUSY;
-+ goto err_release_mem_region;
-+ }
-+
-+ i2s->phys_base = i2s->mem->start;
-+
-+ platform_set_drvdata(pdev, i2s);
-+ ret = snd_soc_register_component(&pdev->dev, &mt7620_i2s_component,
-+ &mt7620_i2s_dai, 1);
-+
-+ if (!ret) {
-+ dev_err(&pdev->dev, "loaded\n");
-+ return ret;
-+ }
-+
-+ dev_err(&pdev->dev, "Failed to register DAI\n");
-+ iounmap(i2s->base);
-+
-+err_release_mem_region:
-+ release_mem_region(i2s->mem->start, resource_size(i2s->mem));
-+err_free:
-+ kfree(i2s);
-+
-+ return ret;
-+}
-+
-+static int mt7620_i2s_dev_remove(struct platform_device *pdev)
-+{
-+ struct mt7620_i2s *i2s = platform_get_drvdata(pdev);
-+
-+ snd_soc_unregister_component(&pdev->dev);
-+
-+ iounmap(i2s->base);
-+ release_mem_region(i2s->mem->start, resource_size(i2s->mem));
-+
-+ kfree(i2s);
-+
-+ snd_dmaengine_pcm_unregister(&pdev->dev);
-+
-+ return 0;
-+}
-+
-+static const struct of_device_id mt7620_i2s_match[] = {
-+ { .compatible = "ralink,mt7620a-i2s" },
-+ {},
-+};
-+MODULE_DEVICE_TABLE(of, mt7620_i2s_match);
-+
-+static struct platform_driver mt7620_i2s_driver = {
-+ .probe = mt7620_i2s_dev_probe,
-+ .remove = mt7620_i2s_dev_remove,
-+ .driver = {
-+ .name = "mt7620-i2s",
-+ .owner = THIS_MODULE,
-+ .of_match_table = mt7620_i2s_match,
-+ },
-+};
-+
-+module_platform_driver(mt7620_i2s_driver);
-+
-+MODULE_AUTHOR("Lars-Peter Clausen, <lars@metafoo.de>");
-+MODULE_DESCRIPTION("Ingenic JZ4740 SoC I2S driver");
-+MODULE_LICENSE("GPL");
-+MODULE_ALIAS("platform:mt7620-i2s");
---- /dev/null
-+++ b/sound/soc/ralink/mt7620-wm8960.c
-@@ -0,0 +1,233 @@
-+/*
-+ * Copyright 2013 Freescale Semiconductor, Inc.
-+ *
-+ * Based on mt7620-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 <sound/soc.h>
-+#include <sound/pcm_params.h>
-+#include <sound/soc-dapm.h>
-+#include <linux/pinctrl/consumer.h>
-+
-+#include "../codecs/wm8960.h"
-+
-+#define DAI_NAME_SIZE 32
-+
-+struct mt7620_wm8960_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 mt7620_priv {
-+ struct platform_device *pdev;
-+};
-+static struct mt7620_priv card_priv;
-+
-+static const struct snd_soc_dapm_widget mt7620_wm8960_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 sample_rate = 44100;
-+static snd_pcm_format_t sample_format = SNDRV_PCM_FORMAT_S16_LE;
-+
-+static int mt7620_hifi_hw_params(struct snd_pcm_substream *substream,
-+ struct snd_pcm_hw_params *params)
-+{
-+ sample_rate = params_rate(params);
-+ sample_format = params_format(params);
-+
-+ return 0;
-+}
-+
-+static struct snd_soc_ops mt7620_hifi_ops = {
-+ .hw_params = mt7620_hifi_hw_params,
-+};
-+
-+static int mt7620_wm8960_set_bias_level(struct snd_soc_card *card,
-+ struct snd_soc_dapm_context *dapm,
-+ enum snd_soc_bias_level level)
-+{
-+ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
-+ struct mt7620_priv *priv = &card_priv;
-+ struct mt7620_wm8960_data *data = snd_soc_card_get_drvdata(card);
-+ struct device *dev = &priv->pdev->dev;
-+ int ret;
-+
-+ if (dapm->dev != codec_dai->dev)
-+ return 0;
-+
-+ switch (level) {
-+ case SND_SOC_BIAS_PREPARE:
-+ if (dapm->bias_level == SND_SOC_BIAS_STANDBY) {
-+ }
-+ break;
-+
-+ case SND_SOC_BIAS_STANDBY:
-+ if (dapm->bias_level == SND_SOC_BIAS_PREPARE) {
-+ ret = snd_soc_dai_set_sysclk(codec_dai,
-+ WM8960_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;
-+ }
-+ }
-+ break;
-+
-+ default:
-+ break;
-+ }
-+
-+ return 0;
-+}
-+
-+static int mt7620_wm8960_late_probe(struct snd_soc_card *card)
-+{
-+ struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
-+ struct mt7620_priv *priv = &card_priv;
-+ struct mt7620_wm8960_data *data = snd_soc_card_get_drvdata(card);
-+ struct device *dev = &priv->pdev->dev;
-+ int ret;
-+
-+ ret = snd_soc_dai_set_sysclk(codec_dai, WM8960_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 mt7620_wm8960_probe(struct platform_device *pdev)
-+{
-+ struct device_node *i2s_np, *codec_np;
-+ struct platform_device *i2s_pdev;
-+ struct mt7620_priv *priv = &card_priv;
-+ struct i2c_client *codec_dev;
-+ struct mt7620_wm8960_data *data;
-+ int ret;
-+
-+ priv->pdev = pdev;
-+
-+ i2s_np = of_parse_phandle(pdev->dev.of_node, "i2s-controller", 0);
-+ codec_np = of_parse_phandle(pdev->dev.of_node, "audio-codec", 0);
-+ if (!i2s_np || !codec_np) {
-+ dev_err(&pdev->dev, "phandle missing or invalid\n");
-+ ret = -EINVAL;
-+ goto fail;
-+ }
-+
-+ i2s_pdev = of_find_device_by_node(i2s_np);
-+ if (!i2s_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;
-+ }
-+
-+ data->clk_frequency = 12000000;
-+ data->dai.name = "HiFi";
-+ data->dai.stream_name = "HiFi";
-+ data->dai.codec_dai_name = "wm8960-hifi";
-+ data->dai.codec_of_node = codec_np;
-+ data->dai.cpu_dai_name = dev_name(&i2s_pdev->dev);
-+ data->dai.platform_of_node = i2s_np;
-+ data->dai.ops = &mt7620_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.dai_link = &data->dai;
-+ data->card.dapm_widgets = mt7620_wm8960_dapm_widgets;
-+ data->card.num_dapm_widgets = ARRAY_SIZE(mt7620_wm8960_dapm_widgets);
-+
-+ data->card.late_probe = mt7620_wm8960_late_probe;
-+ data->card.set_bias_level = mt7620_wm8960_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;
-+ }
-+
-+ of_node_put(i2s_np);
-+ of_node_put(codec_np);
-+
-+ return 0;
-+fail:
-+ if (i2s_np)
-+ of_node_put(i2s_np);
-+ if (codec_np)
-+ of_node_put(codec_np);
-+
-+ return ret;
-+}
-+
-+static int mt7620_wm8960_remove(struct platform_device *pdev)
-+{
-+ return 0;
-+}
-+
-+static const struct of_device_id mt7620_wm8960_dt_ids[] = {
-+ { .compatible = "mediatek,mt7620-audio-wm8960", },
-+ { /* sentinel */ }
-+};
-+MODULE_DEVICE_TABLE(of, mt7620_wm8960_dt_ids);
-+
-+static struct platform_driver mt7620_wm8960_driver = {
-+ .driver = {
-+ .name = "mt7620-wm8960",
-+ .owner = THIS_MODULE,
-+ .pm = &snd_soc_pm_ops,
-+ .of_match_table = mt7620_wm8960_dt_ids,
-+ },
-+ .probe = mt7620_wm8960_probe,
-+ .remove = mt7620_wm8960_remove,
-+};
-+module_platform_driver(mt7620_wm8960_driver);
-+
-+MODULE_AUTHOR("Freescale Semiconductor, Inc.");
-+MODULE_DESCRIPTION("Freescale i.MX WM8962 ASoC machine driver");
-+MODULE_LICENSE("GPL v2");
-+MODULE_ALIAS("platform:mt7620-wm8962");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-11 11:20:01 +0000