1/*
2 * Register definitions for Atmel AC97C
3 *
4 * Copyright (C) 2005-2009 Atmel Corporation
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 */
10#ifndef __SOUND_ATMEL_AC97C_H
11#define __SOUND_ATMEL_AC97C_H
12
13#define AC97C_MR		0x08
14#define AC97C_ICA		0x10
15#define AC97C_OCA		0x14
16#define AC97C_CARHR		0x20
17#define AC97C_CATHR		0x24
18#define AC97C_CASR		0x28
19#define AC97C_CAMR		0x2c
20#define AC97C_CORHR		0x40
21#define AC97C_COTHR		0x44
22#define AC97C_COSR		0x48
23#define AC97C_COMR		0x4c
24#define AC97C_SR		0x50
25#define AC97C_IER		0x54
26#define AC97C_IDR		0x58
27#define AC97C_IMR		0x5c
28#define AC97C_VERSION		0xfc
29
30#define AC97C_CATPR		PDC_TPR
31#define AC97C_CATCR		PDC_TCR
32#define AC97C_CATNPR		PDC_TNPR
33#define AC97C_CATNCR		PDC_TNCR
34#define AC97C_CARPR		PDC_RPR
35#define AC97C_CARCR		PDC_RCR
36#define AC97C_CARNPR		PDC_RNPR
37#define AC97C_CARNCR		PDC_RNCR
38#define AC97C_PTCR		PDC_PTCR
39
40#define AC97C_MR_ENA		(1 << 0)
41#define AC97C_MR_WRST		(1 << 1)
42#define AC97C_MR_VRA		(1 << 2)
43
44#define AC97C_CSR_TXRDY		(1 << 0)
45#define AC97C_CSR_TXEMPTY	(1 << 1)
46#define AC97C_CSR_UNRUN		(1 << 2)
47#define AC97C_CSR_RXRDY		(1 << 4)
48#define AC97C_CSR_OVRUN		(1 << 5)
49#define AC97C_CSR_ENDTX		(1 << 10)
50#define AC97C_CSR_ENDRX		(1 << 14)
51
52#define AC97C_CMR_SIZE_20	(0 << 16)
53#define AC97C_CMR_SIZE_18	(1 << 16)
54#define AC97C_CMR_SIZE_16	(2 << 16)
55#define AC97C_CMR_SIZE_10	(3 << 16)
56#define AC97C_CMR_CEM_LITTLE	(1 << 18)
57#define AC97C_CMR_CEM_BIG	(0 << 18)
58#define AC97C_CMR_CENA		(1 << 21)
59#define AC97C_CMR_DMAEN		(1 << 22)
60
61#define AC97C_SR_CAEVT		(1 << 3)
62#define AC97C_SR_COEVT		(1 << 2)
63#define AC97C_SR_WKUP		(1 << 1)
64#define AC97C_SR_SOF		(1 << 0)
65
66#define AC97C_CH_MASK(slot)						\
67	(0x7 << (3 * (AC97_SLOT_##slot - 3)))
68#define AC97C_CH_ASSIGN(slot, channel)					\
69	(AC97C_CHANNEL_##channel << (3 * (AC97_SLOT_##slot - 3)))
70#define AC97C_CHANNEL_NONE	0x0
71#define AC97C_CHANNEL_A		0x1
72
73#endif /* __SOUND_ATMEL_AC97C_H */
74