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805 lines
22 KiB
805 lines
22 KiB
From 241188942603dc73f62cf2553c53cae2235c9957 Mon Sep 17 00:00:00 2001
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From: John Crispin <blogic@openwrt.org>
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Date: Sun, 27 Jul 2014 09:31:47 +0100
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Subject: [PATCH 55/57] asoc: add mt7620 support
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Signed-off-by: John Crispin <blogic@openwrt.org>
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---
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arch/mips/ralink/of.c | 2 +
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sound/soc/Kconfig | 1 +
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sound/soc/Makefile | 1 +
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sound/soc/ralink/Kconfig | 15 ++
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sound/soc/ralink/Makefile | 11 +
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sound/soc/ralink/mt7620-i2s.c | 466 ++++++++++++++++++++++++++++++++++++++
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sound/soc/ralink/mt7620-wm8960.c | 125 ++++++++++
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sound/soc/soc-io.c | 10 -
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8 files changed, 621 insertions(+), 10 deletions(-)
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create mode 100644 sound/soc/ralink/Kconfig
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create mode 100644 sound/soc/ralink/Makefile
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create mode 100644 sound/soc/ralink/mt7620-i2s.c
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create mode 100644 sound/soc/ralink/mt7620-wm8960.c
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Index: linux-3.14.18/arch/mips/ralink/of.c
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===================================================================
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--- linux-3.14.18.orig/arch/mips/ralink/of.c 2014-11-18 10:45:55.010989756 +0100
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+++ linux-3.14.18/arch/mips/ralink/of.c 2014-11-18 13:54:21.586438562 +0100
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@@ -15,6 +15,7 @@
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#include <linux/of_fdt.h>
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#include <linux/kernel.h>
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#include <linux/bootmem.h>
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+#include <linux/module.h>
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#include <linux/of_platform.h>
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#include <linux/of_address.h>
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@@ -26,6 +27,7 @@
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#include "common.h"
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__iomem void *rt_sysc_membase;
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+EXPORT_SYMBOL(rt_sysc_membase);
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__iomem void *rt_memc_membase;
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extern struct boot_param_header __dtb_start;
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Index: linux-3.14.18/sound/soc/Kconfig
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===================================================================
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--- linux-3.14.18.orig/sound/soc/Kconfig 2014-09-06 01:34:59.000000000 +0200
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+++ linux-3.14.18/sound/soc/Kconfig 2014-11-18 10:45:55.351159766 +0100
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@@ -47,6 +47,7 @@
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source "sound/soc/intel/Kconfig"
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source "sound/soc/mxs/Kconfig"
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source "sound/soc/pxa/Kconfig"
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+source "sound/soc/ralink/Kconfig"
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source "sound/soc/samsung/Kconfig"
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source "sound/soc/s6000/Kconfig"
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source "sound/soc/sh/Kconfig"
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Index: linux-3.14.18/sound/soc/Makefile
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===================================================================
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--- linux-3.14.18.orig/sound/soc/Makefile 2014-09-06 01:34:59.000000000 +0200
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+++ linux-3.14.18/sound/soc/Makefile 2014-11-18 10:45:55.351159766 +0100
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@@ -24,6 +24,7 @@
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obj-$(CONFIG_SND_SOC) += omap/
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obj-$(CONFIG_SND_SOC) += kirkwood/
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obj-$(CONFIG_SND_SOC) += pxa/
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+obj-$(CONFIG_SND_SOC) += ralink/
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obj-$(CONFIG_SND_SOC) += samsung/
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obj-$(CONFIG_SND_SOC) += s6000/
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obj-$(CONFIG_SND_SOC) += sh/
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Index: linux-3.14.18/sound/soc/ralink/Kconfig
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-3.14.18/sound/soc/ralink/Kconfig 2014-11-18 10:45:55.351159766 +0100
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@@ -0,0 +1,15 @@
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+config SND_MT7620_SOC_I2S
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+ depends on SOC_MT7620 && SND_SOC
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+ select SND_SOC_GENERIC_DMAENGINE_PCM
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+ tristate "SoC Audio (I2S protocol) for Ralink MT7620 SoC"
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+ help
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+ Say Y if you want to use I2S protocol and I2S codec on Ingenic MT7620
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+ based boards.
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+
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+config SND_MT7620_SOC_WM8960
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+ tristate "SoC Audio support for Ralink WM8960"
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+ select SND_MT7620_SOC_I2S
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+ select SND_SOC_WM8960
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+ help
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+ Say Y if you want to add support for ASoC audio on the Qi LB60 board
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+ a.k.a Qi Ben NanoNote.
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Index: linux-3.14.18/sound/soc/ralink/Makefile
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-3.14.18/sound/soc/ralink/Makefile 2014-11-18 10:45:55.351159766 +0100
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@@ -0,0 +1,11 @@
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+#
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+# Jz4740 Platform Support
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+#
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+snd-soc-mt7620-i2s-objs := mt7620-i2s.o
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+
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+obj-$(CONFIG_SND_MT7620_SOC_I2S) += snd-soc-mt7620-i2s.o
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+
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+# Jz4740 Machine Support
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+snd-soc-mt7620-wm8960-objs := mt7620-wm8960.o
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+
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+obj-$(CONFIG_SND_MT7620_SOC_WM8960) += snd-soc-mt7620-wm8960.o
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Index: linux-3.14.18/sound/soc/ralink/mt7620-i2s.c
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===================================================================
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--- /dev/null 1970-01-01 00:00:00.000000000 +0000
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+++ linux-3.14.18/sound/soc/ralink/mt7620-i2s.c 2014-11-18 10:45:55.351159766 +0100
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@@ -0,0 +1,436 @@
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+/*
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+ * Copyright (C) 2010, Lars-Peter Clausen <lars@metafoo.de>
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+ *
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+ * This program is free software; you can redistribute it and/or modify it
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+ * under the terms of the GNU General Public License as published by the
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+ * Free Software Foundation; either version 2 of the License, or (at your
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+ * option) any later version.
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+ *
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+ * You should have received a copy of the GNU General Public License along
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+ * with this program; if not, write to the Free Software Foundation, Inc.,
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+ * 675 Mass Ave, Cambridge, MA 02139, USA.
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+ *
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+ */
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+
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+#include <linux/init.h>
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+#include <linux/io.h>
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+#include <linux/kernel.h>
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+#include <linux/module.h>
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+#include <linux/platform_device.h>
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+#include <linux/slab.h>
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+
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+#include <linux/delay.h>
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+
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+#include <linux/dma-mapping.h>
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+
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+#include <sound/core.h>
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+#include <sound/pcm.h>
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+#include <sound/pcm_params.h>
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+#include <sound/soc.h>
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+#include <sound/initval.h>
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+#include <sound/dmaengine_pcm.h>
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+
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+#include <ralink_regs.h>
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+
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+#define I2S_REG_CFG0 0x00
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+#define I2S_REG_CFG0_EN BIT(31)
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+#define I2S_REG_CFG0_DMA_EN BIT(30)
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+#define I2S_REG_CFG0_BYTE_SWAP BIT(28)
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+#define I2S_REG_CFG0_TX_EN BIT(24)
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+#define I2S_REG_CFG0_RX_EN BIT(20)
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+#define I2S_REG_CFG0_SLAVE BIT(16)
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+#define I2S_REG_CFG0_RX_THRES 12
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+#define I2S_REG_CFG0_TX_THRES 4
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+#define I2S_REG_CFG0_DFT_THRES (4 << I2S_REG_CFG0_RX_THRES) | \
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+ (4 << I2S_REG_CFG0_TX_THRES)
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+
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+#define I2S_REG_INT_STATUS 0x04
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+#define I2S_REG_INT_EN 0x08
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+#define I2S_REG_FF_STATUS 0x0c
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+#define I2S_REG_WREG 0x10
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+#define I2S_REG_RREG 0x14
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+#define I2S_REG_CFG1 0x18
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+
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+#define I2S_REG_DIVCMP 0x20
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+#define I2S_REG_DIVINT 0x24
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+#define I2S_REG_CLK_EN BIT(31)
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+
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+struct mt7620_i2s {
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+ struct resource *mem;
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+ void __iomem *base;
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+ dma_addr_t phys_base;
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+
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+ struct snd_dmaengine_dai_dma_data playback_dma_data;
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+ struct snd_dmaengine_dai_dma_data capture_dma_data;
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+};
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+
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+static inline uint32_t mt7620_i2s_read(const struct mt7620_i2s *i2s,
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+ unsigned int reg)
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+{
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+ return readl(i2s->base + reg);
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+}
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+
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+static inline void mt7620_i2s_write(const struct mt7620_i2s *i2s,
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+ unsigned int reg, uint32_t value)
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+{
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+ //printk("i2s --> %p = 0x%08X\n", i2s->base + reg, value);
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+ writel(value, i2s->base + reg);
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+}
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+
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+static int mt7620_i2s_startup(struct snd_pcm_substream *substream,
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+ struct snd_soc_dai *dai)
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+{
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+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
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+ uint32_t cfg;
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+
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+ if (dai->active)
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+ return 0;
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+
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+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
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+ cfg |= I2S_REG_CFG0_EN;
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+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
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+
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+ return 0;
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+}
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+
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+static void mt7620_i2s_shutdown(struct snd_pcm_substream *substream,
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+ struct snd_soc_dai *dai)
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+{
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+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
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+ uint32_t cfg;
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+
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+ if (dai->active)
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+ return;
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+
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+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
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+ cfg &= ~I2S_REG_CFG0_EN;
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+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
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+}
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+
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+static int mt7620_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
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+ struct snd_soc_dai *dai)
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+{
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+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
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+
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+ uint32_t cfg;
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+ uint32_t mask;
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+
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+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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+ mask = I2S_REG_CFG0_TX_EN;
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+ else
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+ mask = I2S_REG_CFG0_RX_EN;
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+
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+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
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+
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+ switch (cmd) {
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+ case SNDRV_PCM_TRIGGER_START:
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+ case SNDRV_PCM_TRIGGER_RESUME:
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+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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+ cfg |= mask;
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+ break;
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+ case SNDRV_PCM_TRIGGER_STOP:
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+ case SNDRV_PCM_TRIGGER_SUSPEND:
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+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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+ cfg &= ~mask;
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ if (cfg & (I2S_REG_CFG0_TX_EN | I2S_REG_CFG0_RX_EN))
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+ cfg |= I2S_REG_CFG0_DMA_EN;
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+ else
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+ cfg &= ~I2S_REG_CFG0_DMA_EN;
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+
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+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
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+
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+ return 0;
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+}
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+
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+static int mt7620_i2s_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
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+{
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+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
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+ uint32_t cfg;
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+
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+ cfg = mt7620_i2s_read(i2s, I2S_REG_CFG0);
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+
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+ switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
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+ case SND_SOC_DAIFMT_CBS_CFS:
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+ cfg |= I2S_REG_CFG0_SLAVE;
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+ break;
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+ case SND_SOC_DAIFMT_CBM_CFM:
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+ cfg &= ~I2S_REG_CFG0_SLAVE;
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+ break;
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+ case SND_SOC_DAIFMT_CBM_CFS:
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
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+ case SND_SOC_DAIFMT_I2S:
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+ case SND_SOC_DAIFMT_MSB:
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+ cfg &= ~I2S_REG_CFG0_BYTE_SWAP;
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+ break;
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+ case SND_SOC_DAIFMT_LSB:
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+ cfg |= I2S_REG_CFG0_BYTE_SWAP;
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
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+ case SND_SOC_DAIFMT_NB_NF:
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+
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+ mt7620_i2s_write(i2s, I2S_REG_CFG0, cfg);
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+
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+ return 0;
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+}
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+
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+static int mt7620_i2s_hw_params(struct snd_pcm_substream *substream,
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+ struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
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+{
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+
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+ return 0;
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+}
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+
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+unsigned long i2sMaster_inclk_int[11] = {
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+ 78, 56, 52, 39, 28, 26, 19, 14, 13, 9, 6};
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+unsigned long i2sMaster_inclk_comp[11] = {
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+ 64, 352, 42, 32, 176, 21, 272, 88, 10, 455, 261};
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+
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+
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+static int mt7620_i2s_set_sysclk(struct snd_soc_dai *dai, int clk_id,
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+ unsigned int freq, int dir)
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+{
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+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
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+
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+ printk("Internal REFCLK with fractional division\n");
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+
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+ mt7620_i2s_write(i2s, I2S_REG_DIVINT, i2sMaster_inclk_int[7]);
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+ mt7620_i2s_write(i2s, I2S_REG_DIVCMP,
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+ i2sMaster_inclk_comp[7] | I2S_REG_CLK_EN);
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+
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+/* struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
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+ struct clk *parent;
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+ int ret = 0;
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+
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+ switch (clk_id) {
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+ case JZ4740_I2S_CLKSRC_EXT:
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+ parent = clk_get(NULL, "ext");
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+ clk_set_parent(i2s->clk_i2s, parent);
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+ break;
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+ case JZ4740_I2S_CLKSRC_PLL:
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+ parent = clk_get(NULL, "pll half");
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+ clk_set_parent(i2s->clk_i2s, parent);
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+ ret = clk_set_rate(i2s->clk_i2s, freq);
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+ break;
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+ default:
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+ return -EINVAL;
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+ }
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+ clk_put(parent);
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+
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+ return ret;*/
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+ return 0;
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+}
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+
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+static void mt7620_i2c_init_pcm_config(struct mt7620_i2s *i2s)
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+{
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+ struct snd_dmaengine_dai_dma_data *dma_data;
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+
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+ /* Playback */
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+ dma_data = &i2s->playback_dma_data;
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+ dma_data->maxburst = 16;
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+ dma_data->slave_id = 2; //JZ4740_DMA_TYPE_AIC_TRANSMIT;
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+ dma_data->addr = i2s->phys_base + I2S_REG_WREG;
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+
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+ /* Capture */
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+ dma_data = &i2s->capture_dma_data;
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+ dma_data->maxburst = 16;
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+ dma_data->slave_id = 3; //JZ4740_DMA_TYPE_AIC_RECEIVE;
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+ dma_data->addr = i2s->phys_base + I2S_REG_RREG;
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+}
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+
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+static int mt7620_i2s_dai_probe(struct snd_soc_dai *dai)
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+{
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+ struct mt7620_i2s *i2s = snd_soc_dai_get_drvdata(dai);
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+ uint32_t data;
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+
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+ mt7620_i2c_init_pcm_config(i2s);
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+ dai->playback_dma_data = &i2s->playback_dma_data;
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+ dai->capture_dma_data = &i2s->capture_dma_data;
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+
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+ /* set share pins to i2s/gpio mode and i2c mode */
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+ data = rt_sysc_r32(0x60);
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+ data &= 0xFFFFFFE2;
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+ data |= 0x00000018;
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+ rt_sysc_w32(data, 0x60);
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+
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+ printk("Internal REFCLK with fractional division\n");
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+
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+ mt7620_i2s_write(i2s, I2S_REG_CFG0, I2S_REG_CFG0_DFT_THRES);
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+ mt7620_i2s_write(i2s, I2S_REG_CFG1, 0);
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+ mt7620_i2s_write(i2s, I2S_REG_INT_EN, 0);
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+
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+ mt7620_i2s_write(i2s, I2S_REG_DIVINT, i2sMaster_inclk_int[7]);
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+ mt7620_i2s_write(i2s, I2S_REG_DIVCMP,
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+ i2sMaster_inclk_comp[7] | I2S_REG_CLK_EN);
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+
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+ return 0;
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+}
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+
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+static int mt7620_i2s_dai_remove(struct snd_soc_dai *dai)
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+{
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+ return 0;
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+}
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+
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+static const struct snd_soc_dai_ops mt7620_i2s_dai_ops = {
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+ .startup = mt7620_i2s_startup,
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+ .shutdown = mt7620_i2s_shutdown,
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+ .trigger = mt7620_i2s_trigger,
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+ .hw_params = mt7620_i2s_hw_params,
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+ .set_fmt = mt7620_i2s_set_fmt,
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+ .set_sysclk = mt7620_i2s_set_sysclk,
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+};
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+
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+#define JZ4740_I2S_FMTS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
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+ SNDRV_PCM_FMTBIT_S24_LE)
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+
|
|
+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");
|
|
Index: linux-3.14.18/sound/soc/ralink/mt7620-wm8960.c
|
|
===================================================================
|
|
--- /dev/null 1970-01-01 00:00:00.000000000 +0000
|
|
+++ linux-3.14.18/sound/soc/ralink/mt7620-wm8960.c 2014-11-18 11:56:57.570299500 +0100
|
|
@@ -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");
|
|
Index: linux-3.14.18/sound/soc/soc-io.c
|
|
===================================================================
|
|
--- linux-3.14.18.orig/sound/soc/soc-io.c 2014-09-06 01:34:59.000000000 +0200
|
|
+++ linux-3.14.18/sound/soc/soc-io.c 2014-11-18 10:45:55.355161766 +0100
|
|
@@ -19,7 +19,6 @@
|
|
|
|
#include <trace/events/asoc.h>
|
|
|
|
-#ifdef CONFIG_REGMAP
|
|
static int hw_write(struct snd_soc_codec *codec, unsigned int reg,
|
|
unsigned int value)
|
|
{
|
|
@@ -135,12 +134,3 @@
|
|
return PTR_ERR_OR_ZERO(codec->control_data);
|
|
}
|
|
EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);
|
|
-#else
|
|
-int snd_soc_codec_set_cache_io(struct snd_soc_codec *codec,
|
|
- int addr_bits, int data_bits,
|
|
- enum snd_soc_control_type control)
|
|
-{
|
|
- return -ENOTSUPP;
|
|
-}
|
|
-EXPORT_SYMBOL_GPL(snd_soc_codec_set_cache_io);
|
|
-#endif
|
|
|