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-rw-r--r--sound/atmel/ac97c.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/sound/atmel/ac97c.h b/sound/atmel/ac97c.h
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+++ b/sound/atmel/ac97c.h
@@ -0,0 +1,73 @@
+/*
+ * Register definitions for Atmel AC97C
+ *
+ * Copyright (C) 2005-2009 Atmel Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ */
+#ifndef __SOUND_ATMEL_AC97C_H
+#define __SOUND_ATMEL_AC97C_H
+
+#define AC97C_MR 0x08
+#define AC97C_ICA 0x10
+#define AC97C_OCA 0x14
+#define AC97C_CARHR 0x20
+#define AC97C_CATHR 0x24
+#define AC97C_CASR 0x28
+#define AC97C_CAMR 0x2c
+#define AC97C_CORHR 0x40
+#define AC97C_COTHR 0x44
+#define AC97C_COSR 0x48
+#define AC97C_COMR 0x4c
+#define AC97C_SR 0x50
+#define AC97C_IER 0x54
+#define AC97C_IDR 0x58
+#define AC97C_IMR 0x5c
+#define AC97C_VERSION 0xfc
+
+#define AC97C_CATPR PDC_TPR
+#define AC97C_CATCR PDC_TCR
+#define AC97C_CATNPR PDC_TNPR
+#define AC97C_CATNCR PDC_TNCR
+#define AC97C_CARPR PDC_RPR
+#define AC97C_CARCR PDC_RCR
+#define AC97C_CARNPR PDC_RNPR
+#define AC97C_CARNCR PDC_RNCR
+#define AC97C_PTCR PDC_PTCR
+
+#define AC97C_MR_ENA (1 << 0)
+#define AC97C_MR_WRST (1 << 1)
+#define AC97C_MR_VRA (1 << 2)
+
+#define AC97C_CSR_TXRDY (1 << 0)
+#define AC97C_CSR_TXEMPTY (1 << 1)
+#define AC97C_CSR_UNRUN (1 << 2)
+#define AC97C_CSR_RXRDY (1 << 4)
+#define AC97C_CSR_OVRUN (1 << 5)
+#define AC97C_CSR_ENDTX (1 << 10)
+#define AC97C_CSR_ENDRX (1 << 14)
+
+#define AC97C_CMR_SIZE_20 (0 << 16)
+#define AC97C_CMR_SIZE_18 (1 << 16)
+#define AC97C_CMR_SIZE_16 (2 << 16)
+#define AC97C_CMR_SIZE_10 (3 << 16)
+#define AC97C_CMR_CEM_LITTLE (1 << 18)
+#define AC97C_CMR_CEM_BIG (0 << 18)
+#define AC97C_CMR_CENA (1 << 21)
+#define AC97C_CMR_DMAEN (1 << 22)
+
+#define AC97C_SR_CAEVT (1 << 3)
+#define AC97C_SR_COEVT (1 << 2)
+#define AC97C_SR_WKUP (1 << 1)
+#define AC97C_SR_SOF (1 << 0)
+
+#define AC97C_CH_MASK(slot) \
+ (0x7 << (3 * (AC97_SLOT_##slot - 3)))
+#define AC97C_CH_ASSIGN(slot, channel) \
+ (AC97C_CHANNEL_##channel << (3 * (AC97_SLOT_##slot - 3)))
+#define AC97C_CHANNEL_NONE 0x0
+#define AC97C_CHANNEL_A 0x1
+
+#endif /* __SOUND_ATMEL_AC97C_H */