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Diffstat (limited to 'arch/arm/mach-ep93xx/include/mach/dma.h')
-rw-r--r--arch/arm/mach-ep93xx/include/mach/dma.h52
1 files changed, 52 insertions, 0 deletions
diff --git a/arch/arm/mach-ep93xx/include/mach/dma.h b/arch/arm/mach-ep93xx/include/mach/dma.h
new file mode 100644
index 00000000000..ef6bd9d1314
--- /dev/null
+++ b/arch/arm/mach-ep93xx/include/mach/dma.h
@@ -0,0 +1,52 @@
+#ifndef __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H
+
+#include <linux/list.h>
+#include <linux/types.h>
+
+struct ep93xx_dma_buffer {
+ struct list_head list;
+ u32 bus_addr;
+ u16 size;
+};
+
+struct ep93xx_dma_m2p_client {
+ char *name;
+ u8 flags;
+ void *cookie;
+ void (*buffer_started)(void *cookie,
+ struct ep93xx_dma_buffer *buf);
+ void (*buffer_finished)(void *cookie,
+ struct ep93xx_dma_buffer *buf,
+ int bytes, int error);
+
+ /* Internal to the DMA code. */
+ void *channel;
+};
+
+#define EP93XX_DMA_M2P_PORT_I2S1 0x00
+#define EP93XX_DMA_M2P_PORT_I2S2 0x01
+#define EP93XX_DMA_M2P_PORT_AAC1 0x02
+#define EP93XX_DMA_M2P_PORT_AAC2 0x03
+#define EP93XX_DMA_M2P_PORT_AAC3 0x04
+#define EP93XX_DMA_M2P_PORT_I2S3 0x05
+#define EP93XX_DMA_M2P_PORT_UART1 0x06
+#define EP93XX_DMA_M2P_PORT_UART2 0x07
+#define EP93XX_DMA_M2P_PORT_UART3 0x08
+#define EP93XX_DMA_M2P_PORT_IRDA 0x09
+#define EP93XX_DMA_M2P_PORT_MASK 0x0f
+#define EP93XX_DMA_M2P_TX 0x00
+#define EP93XX_DMA_M2P_RX 0x10
+#define EP93XX_DMA_M2P_ABORT_ON_ERROR 0x20
+#define EP93XX_DMA_M2P_IGNORE_ERROR 0x40
+#define EP93XX_DMA_M2P_ERROR_MASK 0x60
+
+int ep93xx_dma_m2p_client_register(struct ep93xx_dma_m2p_client *m2p);
+void ep93xx_dma_m2p_client_unregister(struct ep93xx_dma_m2p_client *m2p);
+void ep93xx_dma_m2p_submit(struct ep93xx_dma_m2p_client *m2p,
+ struct ep93xx_dma_buffer *buf);
+void ep93xx_dma_m2p_submit_recursive(struct ep93xx_dma_m2p_client *m2p,
+ struct ep93xx_dma_buffer *buf);
+void ep93xx_dma_m2p_flush(struct ep93xx_dma_m2p_client *m2p);
+
+#endif /* __ASM_ARCH_DMA_H */