Commit f9b95980 authored by apatard@mandriva.com's avatar apatard@mandriva.com Committed by Mark Brown

ASoC: kirkwood: Add i2s support

This patch enables support for the i2s controller available on kirkwood
platforms
Signed-off-by: default avatarArnaud Patard <apatard@mandriva.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 492e2bf1
......@@ -32,6 +32,7 @@ source "sound/soc/fsl/Kconfig"
source "sound/soc/imx/Kconfig"
source "sound/soc/nuc900/Kconfig"
source "sound/soc/omap/Kconfig"
source "sound/soc/kirkwood/Kconfig"
source "sound/soc/pxa/Kconfig"
source "sound/soc/s3c24xx/Kconfig"
source "sound/soc/s6000/Kconfig"
......
......@@ -10,6 +10,7 @@ obj-$(CONFIG_SND_SOC) += fsl/
obj-$(CONFIG_SND_SOC) += imx/
obj-$(CONFIG_SND_SOC) += nuc900/
obj-$(CONFIG_SND_SOC) += omap/
obj-$(CONFIG_SND_SOC) += kirkwood/
obj-$(CONFIG_SND_SOC) += pxa/
obj-$(CONFIG_SND_SOC) += s3c24xx/
obj-$(CONFIG_SND_SOC) += s6000/
......
config SND_KIRKWOOD_SOC
tristate "SoC Audio for the Marvell Kirkwood chip"
depends on ARCH_KIRKWOOD
help
Say Y or M if you want to add support for codecs attached to
the Kirkwood I2S interface. You will also need to select the
audio interfaces to support below.
config SND_KIRKWOOD_SOC_I2S
tristate
snd-soc-kirkwood-objs := kirkwood-dma.o
snd-soc-kirkwood-i2s-objs := kirkwood-i2s.o
obj-$(CONFIG_SND_KIRKWOOD_SOC) += snd-soc-kirkwood.o
obj-$(CONFIG_SND_KIRKWOOD_SOC_I2S) += snd-soc-kirkwood-i2s.o
This diff is collapsed.
/*
* kirkwood-dma.h
*
* (c) 2010 Arnaud Patard <apatard@mandriva.com>
*
* 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.
*/
#ifndef _KIRKWOOD_DMA_H
#define _KIRKWOOD_DMA_H
extern struct snd_soc_platform kirkwood_soc_platform;
#endif
This diff is collapsed.
/*
* kirkwood-i2s.h
*
* (c) 2010 Arnaud Patard <apatard@mandriva.com>
*
* 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.
*/
#ifndef _KIRKWOOD_I2S_H
#define _KIRKWOOD_I2S_H
extern struct snd_soc_dai kirkwood_i2s_dai;
#endif
/*
* kirkwood.h
*
* (c) 2010 Arnaud Patard <apatard@mandriva.com>
*
* 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.
*/
#ifndef _KIRKWOOD_AUDIO_H
#define _KIRKWOOD_AUDIO_H
#define KIRKWOOD_RECORD_WIN 0
#define KIRKWOOD_PLAYBACK_WIN 1
#define KIRKWOOD_MAX_AUDIO_WIN 2
#define KIRKWOOD_AUDIO_WIN_BASE_REG(win) (0xA00 + ((win)<<3))
#define KIRKWOOD_AUDIO_WIN_CTRL_REG(win) (0xA04 + ((win)<<3))
#define KIRKWOOD_RECCTL 0x1000
#define KIRKWOOD_RECCTL_SPDIF_EN (1<<11)
#define KIRKWOOD_RECCTL_I2S_EN (1<<10)
#define KIRKWOOD_RECCTL_PAUSE (1<<9)
#define KIRKWOOD_RECCTL_MUTE (1<<8)
#define KIRKWOOD_RECCTL_BURST_MASK (3<<5)
#define KIRKWOOD_RECCTL_BURST_128 (2<<5)
#define KIRKWOOD_RECCTL_BURST_32 (1<<5)
#define KIRKWOOD_RECCTL_MONO (1<<4)
#define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT (1<<3)
#define KIRKWOOD_RECCTL_MONO_CHAN_LEFT (0<<3)
#define KIRKWOOD_RECCTL_SIZE_MASK (7<<0)
#define KIRKWOOD_RECCTL_SIZE_16 (7<<0)
#define KIRKWOOD_RECCTL_SIZE_16_C (3<<0)
#define KIRKWOOD_RECCTL_SIZE_20 (2<<0)
#define KIRKWOOD_RECCTL_SIZE_24 (1<<0)
#define KIRKWOOD_RECCTL_SIZE_32 (0<<0)
#define KIRKWOOD_REC_BUF_ADDR 0x1004
#define KIRKWOOD_REC_BUF_SIZE 0x1008
#define KIRKWOOD_REC_BYTE_COUNT 0x100C
#define KIRKWOOD_PLAYCTL 0x1100
#define KIRKWOOD_PLAYCTL_PLAY_BUSY (1<<16)
#define KIRKWOOD_PLAYCTL_BURST_MASK (3<<11)
#define KIRKWOOD_PLAYCTL_BURST_128 (2<<11)
#define KIRKWOOD_PLAYCTL_BURST_32 (1<<11)
#define KIRKWOOD_PLAYCTL_PAUSE (1<<9)
#define KIRKWOOD_PLAYCTL_SPDIF_MUTE (1<<8)
#define KIRKWOOD_PLAYCTL_I2S_MUTE (1<<7)
#define KIRKWOOD_PLAYCTL_SPDIF_EN (1<<4)
#define KIRKWOOD_PLAYCTL_I2S_EN (1<<3)
#define KIRKWOOD_PLAYCTL_SIZE_MASK (7<<0)
#define KIRKWOOD_PLAYCTL_SIZE_16 (7<<0)
#define KIRKWOOD_PLAYCTL_SIZE_16_C (3<<0)
#define KIRKWOOD_PLAYCTL_SIZE_20 (2<<0)
#define KIRKWOOD_PLAYCTL_SIZE_24 (1<<0)
#define KIRKWOOD_PLAYCTL_SIZE_32 (0<<0)
#define KIRKWOOD_PLAY_BUF_ADDR 0x1104
#define KIRKWOOD_PLAY_BUF_SIZE 0x1108
#define KIRKWOOD_PLAY_BYTE_COUNT 0x110C
#define KIRKWOOD_DCO_CTL 0x1204
#define KIRKWOOD_DCO_CTL_OFFSET_MASK (0xFFF<<2)
#define KIRKWOOD_DCO_CTL_OFFSET_0 (0x800<<2)
#define KIRKWOOD_DCO_CTL_FREQ_MASK (3<<0)
#define KIRKWOOD_DCO_CTL_FREQ_11 (0<<0)
#define KIRKWOOD_DCO_CTL_FREQ_12 (1<<0)
#define KIRKWOOD_DCO_CTL_FREQ_24 (2<<0)
#define KIRKWOOD_DCO_SPCR_STATUS 0x120c
#define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK (1<<16)
#define KIRKWOOD_ERR_CAUSE 0x1300
#define KIRKWOOD_ERR_MASK 0x1304
#define KIRKWOOD_INT_CAUSE 0x1308
#define KIRKWOOD_INT_MASK 0x130C
#define KIRKWOOD_INT_CAUSE_PLAY_BYTES (1<<14)
#define KIRKWOOD_INT_CAUSE_REC_BYTES (1<<13)
#define KIRKWOOD_INT_CAUSE_DMA_PLAY_END (1<<7)
#define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q (1<<6)
#define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF (1<<5)
#define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q (1<<4)
#define KIRKWOOD_INT_CAUSE_DMA_REC_END (1<<3)
#define KIRKWOOD_INT_CAUSE_DMA_REC_3Q (1<<2)
#define KIRKWOOD_INT_CAUSE_DMA_REC_HALF (1<<1)
#define KIRKWOOD_INT_CAUSE_DMA_REC_1Q (1<<0)
#define KIRKWOOD_REC_BYTE_INT_COUNT 0x1310
#define KIRKWOOD_PLAY_BYTE_INT_COUNT 0x1314
#define KIRKWOOD_BYTE_INT_COUNT_MASK 0xffffff
#define KIRKWOOD_I2S_PLAYCTL 0x2508
#define KIRKWOOD_I2S_RECCTL 0x2408
#define KIRKWOOD_I2S_CTL_JUST_MASK (0xf<<26)
#define KIRKWOOD_I2S_CTL_LJ (0<<26)
#define KIRKWOOD_I2S_CTL_I2S (5<<26)
#define KIRKWOOD_I2S_CTL_RJ (8<<26)
#define KIRKWOOD_I2S_CTL_SIZE_MASK (3<<30)
#define KIRKWOOD_I2S_CTL_SIZE_16 (3<<30)
#define KIRKWOOD_I2S_CTL_SIZE_20 (2<<30)
#define KIRKWOOD_I2S_CTL_SIZE_24 (1<<30)
#define KIRKWOOD_I2S_CTL_SIZE_32 (0<<30)
#define KIRKWOOD_AUDIO_BUF_MAX (16*1024*1024)
/* Theses values come from the marvell alsa driver */
/* need to find where they come from */
#define KIRKWOOD_SND_MIN_PERIODS 8
#define KIRKWOOD_SND_MAX_PERIODS 16
#define KIRKWOOD_SND_MIN_PERIOD_BYTES 0x4000
#define KIRKWOOD_SND_MAX_PERIOD_BYTES 0x4000
struct kirkwood_dma_data {
struct resource *mem;
void __iomem *io;
int irq;
int burst;
struct mbus_dram_target_info *dram;
};
#endif
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment