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-rw-r--r--include/sound/sh_fsi.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/include/sound/sh_fsi.h b/include/sound/sh_fsi.h
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+++ b/include/sound/sh_fsi.h
@@ -0,0 +1,99 @@
+#ifndef __SOUND_FSI_H
+#define __SOUND_FSI_H
+
+/*
+ * Fifo-attached Serial Interface (FSI) support for SH7724
+ *
+ * Copyright (C) 2009 Renesas Solutions Corp.
+ * Kuninori Morimoto <morimoto.kuninori@renesas.com>
+ *
+ * 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.
+ */
+
+#define FSI_PORT_A 0
+#define FSI_PORT_B 1
+
+#include <linux/clk.h>
+#include <sound/soc.h>
+
+/*
+ * flags format
+ *
+ * 0x000000BA
+ *
+ * A: inversion
+ * B: format mode
+ */
+
+/* A: clock inversion */
+#define SH_FSI_INVERSION_MASK 0x0000000F
+#define SH_FSI_LRM_INV (1 << 0)
+#define SH_FSI_BRM_INV (1 << 1)
+#define SH_FSI_LRS_INV (1 << 2)
+#define SH_FSI_BRS_INV (1 << 3)
+
+/* B: format mode */
+#define SH_FSI_FMT_MASK 0x000000F0
+#define SH_FSI_FMT_DAI (0 << 4)
+#define SH_FSI_FMT_SPDIF (1 << 4)
+
+
+/*
+ * set_rate return value
+ *
+ * see ACKMD/BPFMD on
+ * ACK_MD (FSI2)
+ * CKG1 (FSI)
+ *
+ * err : return value < 0
+ * no change : return value == 0
+ * change xMD : return value > 0
+ *
+ * 0x-00000AB
+ *
+ * A: ACKMD value
+ * B: BPFMD value
+ */
+
+#define SH_FSI_ACKMD_MASK (0xF << 0)
+#define SH_FSI_ACKMD_512 (1 << 0)
+#define SH_FSI_ACKMD_256 (2 << 0)
+#define SH_FSI_ACKMD_128 (3 << 0)
+#define SH_FSI_ACKMD_64 (4 << 0)
+#define SH_FSI_ACKMD_32 (5 << 0)
+
+#define SH_FSI_BPFMD_MASK (0xF << 4)
+#define SH_FSI_BPFMD_512 (1 << 4)
+#define SH_FSI_BPFMD_256 (2 << 4)
+#define SH_FSI_BPFMD_128 (3 << 4)
+#define SH_FSI_BPFMD_64 (4 << 4)
+#define SH_FSI_BPFMD_32 (5 << 4)
+#define SH_FSI_BPFMD_16 (6 << 4)
+
+struct sh_fsi_port_info {
+ unsigned long flags;
+ int tx_id;
+ int rx_id;
+ int (*set_rate)(struct device *dev, int rate, int enable);
+};
+
+struct sh_fsi_platform_info {
+ struct sh_fsi_port_info port_a;
+ struct sh_fsi_port_info port_b;
+};
+
+/*
+ * for fsi-ak4642
+ */
+struct fsi_ak4642_info {
+ const char *name;
+ const char *card;
+ const char *cpu_dai;
+ const char *codec;
+ const char *platform;
+ int id;
+};
+
+#endif /* __SOUND_FSI_H */