#define OMAP_DMA4_IRQENABLE_L2 (OMAP_DMA4_BASE + 0x20)
#define OMAP_DMA4_IRQENABLE_L3 (OMAP_DMA4_BASE + 0x24)
#define OMAP_DMA4_SYSSTATUS (OMAP_DMA4_BASE + 0x28)
+#define OMAP_DMA4_OCP_SYSCONFIG (OMAP_DMA4_BASE + 0x2c)
#define OMAP_DMA4_CAPS_0 (OMAP_DMA4_BASE + 0x64)
#define OMAP_DMA4_CAPS_2 (OMAP_DMA4_BASE + 0x6c)
#define OMAP_DMA4_CAPS_3 (OMAP_DMA4_BASE + 0x70)
#define OMAP_DMA_SYNC_ELEMENT 0x00
#define OMAP_DMA_SYNC_FRAME 0x01
#define OMAP_DMA_SYNC_BLOCK 0x02
+#define OMAP_DMA_SYNC_PACKET 0x03
+
+#define OMAP_DMA_SRC_SYNC 0x01
+#define OMAP_DMA_DST_SYNC 0x00
#define OMAP_DMA_PORT_EMIFF 0x00
#define OMAP_DMA_PORT_EMIFS 0x01
#define DMA_THREAD_FIFO_25 (0x02 << 14)
#define DMA_THREAD_FIFO_50 (0x03 << 14)
+/* Chaining modes*/
+#ifndef CONFIG_ARCH_OMAP1
+#define OMAP_DMA_STATIC_CHAIN 0x1
+#define OMAP_DMA_DYNAMIC_CHAIN 0x2
+#define OMAP_DMA_CHAIN_ACTIVE 0x1
+#define OMAP_DMA_CHAIN_INACTIVE 0x0
+#endif
+
#define DMA_CH_PRIO_HIGH 0x1
#define DMA_CH_PRIO_LOW 0x0 /* Def */
unsigned char read_prio;/* read priority */
unsigned char write_prio;/* write priority */
+
+#ifndef CONFIG_ARCH_OMAP1
+ enum omap_dma_burst_mode burst_mode; /* Burst mode 4/8/16 words */
+#endif
};
extern int omap_dma_set_prio_lch(int lch, unsigned char read_prio,
unsigned char write_prio);
+/* Chaining APIs */
+#ifndef CONFIG_ARCH_OMAP1
+extern int omap_request_dma_chain(int dev_id, const char *dev_name,
+ void (*callback) (int chain_id, u16 ch_status,
+ void *data),
+ int *chain_id, int no_of_chans,
+ int chain_mode,
+ struct omap_dma_channel_params params);
+extern int omap_free_dma_chain(int chain_id);
+extern int omap_dma_chain_a_transfer(int chain_id, int src_start,
+ int dest_start, int elem_count,
+ int frame_count, void *callbk_data);
+extern int omap_start_dma_chain_transfers(int chain_id);
+extern int omap_stop_dma_chain_transfers(int chain_id);
+extern int omap_get_dma_chain_index(int chain_id, int *ei, int *fi);
+extern int omap_get_dma_chain_dst_pos(int chain_id);
+extern int omap_get_dma_chain_src_pos(int chain_id);
+
+extern int omap_modify_dma_chain_params(int chain_id,
+ struct omap_dma_channel_params params);
+extern int omap_dma_chain_status(int chain_id);
+#endif
+
/* LCD DMA functions */
extern int omap_request_lcd_dma(void (* callback)(u16 status, void *data),
void *data);