1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Register definitions for Atmel AC97C
4 *
5 * Copyright (C) 2005-2009 Atmel Corporation
6 */
7#ifndef __SOUND_ATMEL_AC97C_H
8#define __SOUND_ATMEL_AC97C_H
9
10#define AC97C_MR 0x08
11#define AC97C_ICA 0x10
12#define AC97C_OCA 0x14
13#define AC97C_CARHR 0x20
14#define AC97C_CATHR 0x24
15#define AC97C_CASR 0x28
16#define AC97C_CAMR 0x2c
17#define AC97C_CORHR 0x40
18#define AC97C_COTHR 0x44
19#define AC97C_COSR 0x48
20#define AC97C_COMR 0x4c
21#define AC97C_SR 0x50
22#define AC97C_IER 0x54
23#define AC97C_IDR 0x58
24#define AC97C_IMR 0x5c
25#define AC97C_VERSION 0xfc
26
27#define AC97C_CATPR PDC_TPR
28#define AC97C_CATCR PDC_TCR
29#define AC97C_CATNPR PDC_TNPR
30#define AC97C_CATNCR PDC_TNCR
31#define AC97C_CARPR PDC_RPR
32#define AC97C_CARCR PDC_RCR
33#define AC97C_CARNPR PDC_RNPR
34#define AC97C_CARNCR PDC_RNCR
35#define AC97C_PTCR PDC_PTCR
36
37#define AC97C_MR_ENA (1 << 0)
38#define AC97C_MR_WRST (1 << 1)
39#define AC97C_MR_VRA (1 << 2)
40
41#define AC97C_CSR_TXRDY (1 << 0)
42#define AC97C_CSR_TXEMPTY (1 << 1)
43#define AC97C_CSR_UNRUN (1 << 2)
44#define AC97C_CSR_RXRDY (1 << 4)
45#define AC97C_CSR_OVRUN (1 << 5)
46#define AC97C_CSR_ENDTX (1 << 10)
47#define AC97C_CSR_ENDRX (1 << 14)
48
49#define AC97C_CMR_SIZE_20 (0 << 16)
50#define AC97C_CMR_SIZE_18 (1 << 16)
51#define AC97C_CMR_SIZE_16 (2 << 16)
52#define AC97C_CMR_SIZE_10 (3 << 16)
53#define AC97C_CMR_CEM_LITTLE (1 << 18)
54#define AC97C_CMR_CEM_BIG (0 << 18)
55#define AC97C_CMR_CENA (1 << 21)
56#define AC97C_CMR_DMAEN (1 << 22)
57
58#define AC97C_SR_CAEVT (1 << 3)
59#define AC97C_SR_COEVT (1 << 2)
60#define AC97C_SR_WKUP (1 << 1)
61#define AC97C_SR_SOF (1 << 0)
62
63#define AC97C_CH_MASK(slot) \
64 (0x7 << (3 * (AC97_SLOT_##slot - 3)))
65#define AC97C_CH_ASSIGN(slot, channel) \
66 (AC97C_CHANNEL_##channel << (3 * (AC97_SLOT_##slot - 3)))
67#define AC97C_CHANNEL_NONE 0x0
68#define AC97C_CHANNEL_A 0x1
69
70#endif /* __SOUND_ATMEL_AC97C_H */
71

source code of linux/sound/atmel/ac97c.h