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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/atmel/ac97c.h
10814 views
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/*

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 * Register definitions for Atmel AC97C

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 *

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 * Copyright (C) 2005-2009 Atmel Corporation

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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 version 2 as published

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 * by the Free Software Foundation.

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 */

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#ifndef __SOUND_ATMEL_AC97C_H

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#define __SOUND_ATMEL_AC97C_H

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#define AC97C_MR		0x08

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#define AC97C_ICA		0x10

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#define AC97C_OCA		0x14

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#define AC97C_CARHR		0x20

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#define AC97C_CATHR		0x24

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#define AC97C_CASR		0x28

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#define AC97C_CAMR		0x2c

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#define AC97C_CORHR		0x40

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#define AC97C_COTHR		0x44

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#define AC97C_COSR		0x48

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#define AC97C_COMR		0x4c

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#define AC97C_SR		0x50

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#define AC97C_IER		0x54

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#define AC97C_IDR		0x58

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#define AC97C_IMR		0x5c

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#define AC97C_VERSION		0xfc

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#define AC97C_CATPR		PDC_TPR

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#define AC97C_CATCR		PDC_TCR

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#define AC97C_CATNPR		PDC_TNPR

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#define AC97C_CATNCR		PDC_TNCR

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#define AC97C_CARPR		PDC_RPR

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#define AC97C_CARCR		PDC_RCR

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#define AC97C_CARNPR		PDC_RNPR

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#define AC97C_CARNCR		PDC_RNCR

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#define AC97C_PTCR		PDC_PTCR

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#define AC97C_MR_ENA		(1 << 0)

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#define AC97C_MR_WRST		(1 << 1)

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#define AC97C_MR_VRA		(1 << 2)

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#define AC97C_CSR_TXRDY		(1 << 0)

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#define AC97C_CSR_TXEMPTY	(1 << 1)

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#define AC97C_CSR_UNRUN		(1 << 2)

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#define AC97C_CSR_RXRDY		(1 << 4)

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#define AC97C_CSR_OVRUN		(1 << 5)

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#define AC97C_CSR_ENDTX		(1 << 10)

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#define AC97C_CSR_ENDRX		(1 << 14)

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#define AC97C_CMR_SIZE_20	(0 << 16)

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#define AC97C_CMR_SIZE_18	(1 << 16)

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#define AC97C_CMR_SIZE_16	(2 << 16)

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#define AC97C_CMR_SIZE_10	(3 << 16)

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#define AC97C_CMR_CEM_LITTLE	(1 << 18)

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#define AC97C_CMR_CEM_BIG	(0 << 18)

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#define AC97C_CMR_CENA		(1 << 21)

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#define AC97C_CMR_DMAEN		(1 << 22)

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#define AC97C_SR_CAEVT		(1 << 3)

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#define AC97C_SR_COEVT		(1 << 2)

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#define AC97C_SR_WKUP		(1 << 1)

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#define AC97C_SR_SOF		(1 << 0)

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#define AC97C_CH_MASK(slot)						\

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	(0x7 << (3 * (AC97_SLOT_##slot - 3)))

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#define AC97C_CH_ASSIGN(slot, channel)					\

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	(AC97C_CHANNEL_##channel << (3 * (AC97_SLOT_##slot - 3)))

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#define AC97C_CHANNEL_NONE	0x0

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#define AC97C_CHANNEL_A		0x1

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#endif /* __SOUND_ATMEL_AC97C_H */

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