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-rw-r--r--include/sound/rcar_snd.h84
1 files changed, 84 insertions, 0 deletions
diff --git a/include/sound/rcar_snd.h b/include/sound/rcar_snd.h
new file mode 100644
index 000000000000..d35412ae03b3
--- /dev/null
+++ b/include/sound/rcar_snd.h
@@ -0,0 +1,84 @@
+/*
+ * Renesas R-Car SRU/SCU/SSIU/SSI support
+ *
+ * Copyright (C) 2013 Renesas Solutions Corp.
+ * Kuninori Morimoto <kuninori.morimoto.gx@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.
+ */
+
+#ifndef RCAR_SND_H
+#define RCAR_SND_H
+
+#include <linux/sh_clk.h>
+
+#define RSND_GEN1_SRU 0
+#define RSND_GEN1_ADG 1
+#define RSND_GEN1_SSI 2
+
+#define RSND_GEN2_SRU 0
+#define RSND_GEN2_ADG 1
+#define RSND_GEN2_SSIU 2
+#define RSND_GEN2_SSI 3
+
+#define RSND_BASE_MAX 4
+
+/*
+ * flags
+ *
+ * 0xAB000000
+ *
+ * A : clock sharing settings
+ * B : SSI direction
+ */
+#define RSND_SSI_CLK_PIN_SHARE (1 << 31)
+#define RSND_SSI_CLK_FROM_ADG (1 << 30) /* clock parent is master */
+#define RSND_SSI_SYNC (1 << 29) /* SSI34_sync etc */
+#define RSND_SSI_DEPENDENT (1 << 28) /* SSI needs SRU/SCU */
+
+#define RSND_SSI_PLAY (1 << 24)
+
+#define RSND_SSI_SET(_dai_id, _dma_id, _pio_irq, _flags) \
+{ .dai_id = _dai_id, .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags }
+#define RSND_SSI_UNUSED \
+{ .dai_id = -1, .dma_id = -1, .pio_irq = -1, .flags = 0 }
+
+struct rsnd_ssi_platform_info {
+ int dai_id;
+ int dma_id;
+ int pio_irq;
+ u32 flags;
+};
+
+/*
+ * flags
+ */
+#define RSND_SCU_USB_HPBIF (1 << 31) /* it needs RSND_SSI_DEPENDENT */
+
+struct rsnd_scu_platform_info {
+ u32 flags;
+};
+
+/*
+ * flags
+ *
+ * 0x0000000A
+ *
+ * A : generation
+ */
+#define RSND_GEN1 (1 << 0) /* fixme */
+#define RSND_GEN2 (2 << 0) /* fixme */
+
+struct rcar_snd_info {
+ u32 flags;
+ struct rsnd_ssi_platform_info *ssi_info;
+ int ssi_info_nr;
+ struct rsnd_scu_platform_info *scu_info;
+ int scu_info_nr;
+ int (*start)(int id);
+ int (*stop)(int id);
+};
+
+#endif