]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - include/asm-arm/arch-omap/dma.h
ARM: OMAP: DMA: Fix compile for DMA chaining
[linux-2.6-omap-h63xx.git] / include / asm-arm / arch-omap / dma.h
index f346d3c8294cac0281b58b138b2ed252b481f0c0..24acf090030d5bbbb44a8876986e51c3109b2153 100644 (file)
@@ -62,6 +62,7 @@
 #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 */
 
@@ -382,6 +395,10 @@ struct omap_dma_channel_params {
 
        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
 };
 
 
@@ -437,6 +454,29 @@ extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth,
 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);