xref: /linux/sound/atmel/ac97c.h (revision ca55b2fef3a9373fcfc30f82fd26bc7fccbda732)
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