1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Register definitions for Atmel AC97C
5 * Copyright (C) 2005-2009 Atmel Corporation
7 #ifndef __SOUND_ATMEL_AC97C_H
8 #define __SOUND_ATMEL_AC97C_H
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
22 #define AC97C_IER 0x54
23 #define AC97C_IDR 0x58
24 #define AC97C_IMR 0x5c
25 #define AC97C_VERSION 0xfc
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
37 #define AC97C_MR_ENA (1 << 0)
38 #define AC97C_MR_WRST (1 << 1)
39 #define AC97C_MR_VRA (1 << 2)
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)
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)
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)
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
70 #endif /* __SOUND_ATMEL_AC97C_H */