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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/soc/kirkwood/kirkwood.h
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/*

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 * kirkwood.h

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 *

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 * (c) 2010 Arnaud Patard <[email protected]>

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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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#ifndef _KIRKWOOD_AUDIO_H

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#define _KIRKWOOD_AUDIO_H

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#define KIRKWOOD_RECORD_WIN			0

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#define KIRKWOOD_PLAYBACK_WIN			1

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#define KIRKWOOD_MAX_AUDIO_WIN			2

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#define KIRKWOOD_AUDIO_WIN_BASE_REG(win)	(0xA00 + ((win)<<3))

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#define KIRKWOOD_AUDIO_WIN_CTRL_REG(win)	(0xA04 + ((win)<<3))

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#define KIRKWOOD_RECCTL			0x1000

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#define KIRKWOOD_RECCTL_SPDIF_EN		(1<<11)

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#define KIRKWOOD_RECCTL_I2S_EN			(1<<10)

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#define KIRKWOOD_RECCTL_PAUSE			(1<<9)

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#define KIRKWOOD_RECCTL_MUTE			(1<<8)

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#define KIRKWOOD_RECCTL_BURST_MASK		(3<<5)

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#define KIRKWOOD_RECCTL_BURST_128		(2<<5)

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#define KIRKWOOD_RECCTL_BURST_32		(1<<5)

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#define KIRKWOOD_RECCTL_MONO			(1<<4)

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#define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT	(1<<3)

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#define KIRKWOOD_RECCTL_MONO_CHAN_LEFT		(0<<3)

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#define KIRKWOOD_RECCTL_SIZE_MASK		(7<<0)

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#define KIRKWOOD_RECCTL_SIZE_16		(7<<0)

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#define KIRKWOOD_RECCTL_SIZE_16_C		(3<<0)

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#define KIRKWOOD_RECCTL_SIZE_20		(2<<0)

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#define KIRKWOOD_RECCTL_SIZE_24		(1<<0)

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#define KIRKWOOD_RECCTL_SIZE_32		(0<<0)

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#define KIRKWOOD_REC_BUF_ADDR			0x1004

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#define KIRKWOOD_REC_BUF_SIZE			0x1008

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#define KIRKWOOD_REC_BYTE_COUNT			0x100C

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#define KIRKWOOD_PLAYCTL			0x1100

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#define KIRKWOOD_PLAYCTL_PLAY_BUSY		(1<<16)

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#define KIRKWOOD_PLAYCTL_BURST_MASK		(3<<11)

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#define KIRKWOOD_PLAYCTL_BURST_128		(2<<11)

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#define KIRKWOOD_PLAYCTL_BURST_32		(1<<11)

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#define KIRKWOOD_PLAYCTL_PAUSE			(1<<9)

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#define KIRKWOOD_PLAYCTL_SPDIF_MUTE		(1<<8)

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#define KIRKWOOD_PLAYCTL_MONO_MASK		(3<<5)

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#define KIRKWOOD_PLAYCTL_MONO_BOTH		(3<<5)

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#define KIRKWOOD_PLAYCTL_MONO_OFF		(0<<5)

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#define KIRKWOOD_PLAYCTL_I2S_MUTE		(1<<7)

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#define KIRKWOOD_PLAYCTL_SPDIF_EN		(1<<4)

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#define KIRKWOOD_PLAYCTL_I2S_EN		(1<<3)

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#define KIRKWOOD_PLAYCTL_SIZE_MASK		(7<<0)

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#define KIRKWOOD_PLAYCTL_SIZE_16		(7<<0)

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#define KIRKWOOD_PLAYCTL_SIZE_16_C		(3<<0)

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#define KIRKWOOD_PLAYCTL_SIZE_20		(2<<0)

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#define KIRKWOOD_PLAYCTL_SIZE_24		(1<<0)

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#define KIRKWOOD_PLAYCTL_SIZE_32		(0<<0)

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#define KIRKWOOD_PLAY_BUF_ADDR			0x1104

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#define KIRKWOOD_PLAY_BUF_SIZE			0x1108

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#define KIRKWOOD_PLAY_BYTE_COUNT		0x110C

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#define KIRKWOOD_DCO_CTL			0x1204

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#define KIRKWOOD_DCO_CTL_OFFSET_MASK		(0xFFF<<2)

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#define KIRKWOOD_DCO_CTL_OFFSET_0		(0x800<<2)

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#define KIRKWOOD_DCO_CTL_FREQ_MASK		(3<<0)

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#define KIRKWOOD_DCO_CTL_FREQ_11		(0<<0)

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#define KIRKWOOD_DCO_CTL_FREQ_12		(1<<0)

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#define KIRKWOOD_DCO_CTL_FREQ_24		(2<<0)

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#define KIRKWOOD_DCO_SPCR_STATUS		0x120c

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#define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK	(1<<16)

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#define KIRKWOOD_ERR_CAUSE			0x1300

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#define KIRKWOOD_ERR_MASK			0x1304

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#define KIRKWOOD_INT_CAUSE			0x1308

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#define KIRKWOOD_INT_MASK			0x130C

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#define KIRKWOOD_INT_CAUSE_PLAY_BYTES		(1<<14)

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#define KIRKWOOD_INT_CAUSE_REC_BYTES		(1<<13)

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#define KIRKWOOD_INT_CAUSE_DMA_PLAY_END	(1<<7)

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#define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q		(1<<6)

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#define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF	(1<<5)

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#define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q		(1<<4)

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#define KIRKWOOD_INT_CAUSE_DMA_REC_END		(1<<3)

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#define KIRKWOOD_INT_CAUSE_DMA_REC_3Q		(1<<2)

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#define KIRKWOOD_INT_CAUSE_DMA_REC_HALF	(1<<1)

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#define KIRKWOOD_INT_CAUSE_DMA_REC_1Q		(1<<0)

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#define KIRKWOOD_REC_BYTE_INT_COUNT		0x1310

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#define KIRKWOOD_PLAY_BYTE_INT_COUNT		0x1314

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#define KIRKWOOD_BYTE_INT_COUNT_MASK		0xffffff

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#define KIRKWOOD_I2S_PLAYCTL			0x2508

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#define KIRKWOOD_I2S_RECCTL			0x2408

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#define KIRKWOOD_I2S_CTL_JUST_MASK		(0xf<<26)

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#define KIRKWOOD_I2S_CTL_LJ			(0<<26)

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#define KIRKWOOD_I2S_CTL_I2S			(5<<26)

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#define KIRKWOOD_I2S_CTL_RJ			(8<<26)

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#define KIRKWOOD_I2S_CTL_SIZE_MASK		(3<<30)

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#define KIRKWOOD_I2S_CTL_SIZE_16		(3<<30)

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#define KIRKWOOD_I2S_CTL_SIZE_20		(2<<30)

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#define KIRKWOOD_I2S_CTL_SIZE_24		(1<<30)

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#define KIRKWOOD_I2S_CTL_SIZE_32		(0<<30)

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#define KIRKWOOD_AUDIO_BUF_MAX			(16*1024*1024)

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/* Theses values come from the marvell alsa driver */

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/* need to find where they come from               */

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#define KIRKWOOD_SND_MIN_PERIODS		8

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#define KIRKWOOD_SND_MAX_PERIODS		16

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#define KIRKWOOD_SND_MIN_PERIOD_BYTES		0x4000

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#define KIRKWOOD_SND_MAX_PERIOD_BYTES		0x4000

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struct kirkwood_dma_data {

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	struct resource *mem;

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	void __iomem *io;

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	int irq;

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	int burst;

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	struct mbus_dram_target_info *dram;

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};

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#endif

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