1 files changed, 73 insertions, 0 deletions

diff --git a/sound/atmel/ac97c.h b/sound/atmel/ac97c.h
new file mode 100644
index 000000000000..ecbba5021c80
--- /dev/null
+++ 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 */