From 654bc380ec549e3cdcc2c286ef7d67fea9509609 Mon Sep 17 00:00:00 2001 From: John Crispin Date: Mon, 9 Feb 2015 12:13:55 +0000 Subject: ralink: add 3.18 support keep default as 3.14, mt7621 gic need to be ported to 3.18 Signed-off-by: John Crispin SVN-Revision: 44349 --- .../0055-asoc-add-mt7620-support.patch | 766 +++++++++++++++++++++ 1 file changed, 766 insertions(+) create mode 100644 target/linux/ramips/patches-3.18/0055-asoc-add-mt7620-support.patch (limited to 'target/linux/ramips/patches-3.18/0055-asoc-add-mt7620-support.patch') diff --git a/target/linux/ramips/patches-3.18/0055-asoc-add-mt7620-support.patch b/target/linux/ramips/patches-3.18/0055-asoc-add-mt7620-support.patch new file mode 100644 index 0000000000..b439b9d3b8 --- /dev/null +++ b/target/linux/ramips/patches-3.18/0055-asoc-add-mt7620-support.patch @@ -0,0 +1,766 @@ +From 241188942603dc73f62cf2553c53cae2235c9957 Mon Sep 17 00:00:00 2001 +From: John Crispin +Date: Sun, 27 Jul 2014 09:31:47 +0100 +Subject: [PATCH 55/57] asoc: add mt7620 support + +Signed-off-by: John Crispin +--- + 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 | 466 ++++++++++++++++++++++++++++++++++++++ + sound/soc/ralink/mt7620-wm8960.c | 125 ++++++++++ + sound/soc/soc-io.c | 10 - + 8 files changed, 621 insertions(+), 10 deletions(-) + 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 + #include + #include ++#include + #include + #include + +@@ -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 +@@ -48,6 +48,7 @@ source "sound/soc/intel/Kconfig" + source "sound/soc/mxs/Kconfig" + source "sound/soc/pxa/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 +@@ -25,6 +25,7 @@ obj-$(CONFIG_SND_SOC) += omap/ + obj-$(CONFIG_SND_SOC) += kirkwood/ + obj-$(CONFIG_SND_SOC) += pxa/ + obj-$(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 ++ * ++ * 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 ++#include ++#include ++#include ++#include ++#include ++ ++#include ++ ++#include ++ ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#include ++ ++#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, "); ++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 ++#include ++#include ++#include ++#include ++#include ++#include ++#include ++ ++#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"); -- cgit v1.2.3