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