mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-16 16:54:20 +08:00
8321fc0113
This patch will remove traces of channel B registers, since they are not used by the AC97C driver. Channel B might be used for other purposes. The driver also adds channel status bits TXEMPTY and OVRUN and a AC97C_CH_MASK macro to ease clearing a channel settings. Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
74 lines
2.0 KiB
C
74 lines
2.0 KiB
C
/*
|
|
* Register definitions for Atmel AC97C
|
|
*
|
|
* Copyright (C) 2005-2009 Atmel Corporation
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation.
|
|
*/
|
|
#ifndef __SOUND_ATMEL_AC97C_H
|
|
#define __SOUND_ATMEL_AC97C_H
|
|
|
|
#define AC97C_MR 0x08
|
|
#define AC97C_ICA 0x10
|
|
#define AC97C_OCA 0x14
|
|
#define AC97C_CARHR 0x20
|
|
#define AC97C_CATHR 0x24
|
|
#define AC97C_CASR 0x28
|
|
#define AC97C_CAMR 0x2c
|
|
#define AC97C_CORHR 0x40
|
|
#define AC97C_COTHR 0x44
|
|
#define AC97C_COSR 0x48
|
|
#define AC97C_COMR 0x4c
|
|
#define AC97C_SR 0x50
|
|
#define AC97C_IER 0x54
|
|
#define AC97C_IDR 0x58
|
|
#define AC97C_IMR 0x5c
|
|
#define AC97C_VERSION 0xfc
|
|
|
|
#define AC97C_CATPR PDC_TPR
|
|
#define AC97C_CATCR PDC_TCR
|
|
#define AC97C_CATNPR PDC_TNPR
|
|
#define AC97C_CATNCR PDC_TNCR
|
|
#define AC97C_CARPR PDC_RPR
|
|
#define AC97C_CARCR PDC_RCR
|
|
#define AC97C_CARNPR PDC_RNPR
|
|
#define AC97C_CARNCR PDC_RNCR
|
|
#define AC97C_PTCR PDC_PTCR
|
|
|
|
#define AC97C_MR_ENA (1 << 0)
|
|
#define AC97C_MR_WRST (1 << 1)
|
|
#define AC97C_MR_VRA (1 << 2)
|
|
|
|
#define AC97C_CSR_TXRDY (1 << 0)
|
|
#define AC97C_CSR_TXEMPTY (1 << 1)
|
|
#define AC97C_CSR_UNRUN (1 << 2)
|
|
#define AC97C_CSR_RXRDY (1 << 4)
|
|
#define AC97C_CSR_OVRUN (1 << 5)
|
|
#define AC97C_CSR_ENDTX (1 << 10)
|
|
#define AC97C_CSR_ENDRX (1 << 14)
|
|
|
|
#define AC97C_CMR_SIZE_20 (0 << 16)
|
|
#define AC97C_CMR_SIZE_18 (1 << 16)
|
|
#define AC97C_CMR_SIZE_16 (2 << 16)
|
|
#define AC97C_CMR_SIZE_10 (3 << 16)
|
|
#define AC97C_CMR_CEM_LITTLE (1 << 18)
|
|
#define AC97C_CMR_CEM_BIG (0 << 18)
|
|
#define AC97C_CMR_CENA (1 << 21)
|
|
#define AC97C_CMR_DMAEN (1 << 22)
|
|
|
|
#define AC97C_SR_CAEVT (1 << 3)
|
|
#define AC97C_SR_COEVT (1 << 2)
|
|
#define AC97C_SR_WKUP (1 << 1)
|
|
#define AC97C_SR_SOF (1 << 0)
|
|
|
|
#define AC97C_CH_MASK(slot) \
|
|
(0x7 << (3 * (AC97_SLOT_##slot - 3)))
|
|
#define AC97C_CH_ASSIGN(slot, channel) \
|
|
(AC97C_CHANNEL_##channel << (3 * (AC97_SLOT_##slot - 3)))
|
|
#define AC97C_CHANNEL_NONE 0x0
|
|
#define AC97C_CHANNEL_A 0x1
|
|
|
|
#endif /* __SOUND_ATMEL_AC97C_H */
|