fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / include / asm-ppc / ppc4xx_dma.h

diff --git a/include/asm-ppc/ppc4xx_dma.h b/include/asm-ppc/ppc4xx_dma.h
index 5b82faf..935d1e0 100644 (file)
--- a/include/asm-ppc/ppc4xx_dma.h
+++ b/include/asm-ppc/ppc4xx_dma.h
@@ -24,7 +24,6 @@
 #ifndef __ASMPPC_PPC4xx_DMA_H
 #define __ASMPPC_PPC4xx_DMA_H
 
-#include <linux/config.h>
 #include <linux/types.h>
 #include <asm/mmu.h>
 #include <asm/ibm4xx.h>
@@ -33,9 +32,6 @@
 
 #define MAX_PPC4xx_DMA_CHANNELS                4
 
-/* in arch/ppc/kernel/setup.c -- Cort */
-extern unsigned long DMA_MODE_WRITE, DMA_MODE_READ;
-
 /*
  * Function return status codes
  * These values are used to indicate whether or not the function
@@ -137,10 +133,11 @@ extern unsigned long DMA_MODE_WRITE, DMA_MODE_READ;
 #define DMA_TCE_ENABLE     (1<<(8-DMA_CR_OFFSET))
 #define SET_DMA_TCE(x)     (((x)&0x1)<<(8-DMA_CR_OFFSET))
 
-#define DMA_DEC            (1<<(2)     /* Address Decrement */
+#define DMA_DEC            (1<<(2))    /* Address Decrement */
 #define SET_DMA_DEC(x)     (((x)&0x1)<<2)
 #define GET_DMA_DEC(x)     (((x)&DMA_DEC)>>2)
 
+
 /*
  * Transfer Modes
  * These modes are defined in a way that makes it possible to
@@ -244,6 +241,14 @@ typedef uint32_t sgl_handle_t;
 #define DMA_SG2            (1<<5)
 #define DMA_SG3            (1<<4)
 
+/* DMA Channel Count Register */
+#define DMA_CTC_BTEN     (1<<23)    /* Burst Enable/Disable bit */
+#define DMA_CTC_BSIZ_MSK (3<<21)    /* Mask of the Burst size bits */
+#define DMA_CTC_BSIZ_2   (0)
+#define DMA_CTC_BSIZ_4   (1<<21)
+#define DMA_CTC_BSIZ_8   (2<<21)
+#define DMA_CTC_BSIZ_16  (3<<21)
+
 /*
  * DMA SG Command Register
  */
@@ -276,7 +281,7 @@ typedef uint32_t sgl_handle_t;
 
 #define GET_DMA_POLARITY(chan) (DMAReq_ActiveLow(chan) | DMAAck_ActiveLow(chan) | EOT_ActiveLow(chan))
 
-#elif defined(CONFIG_STBXXX_DMA)               /* stb03xxx */
+#elif defined(CONFIG_STB03xxx)         /* stb03xxx */
 
 #define DMA_PPC4xx_SIZE        4096
 
@@ -482,6 +487,7 @@ typedef struct {
        char td;                /* transfer direction */
 #endif
 
+       char int_on_final_sg;/* for scatter/gather - only interrupt on last sg */
 } ppc_dma_ch_t;
 
 /*
@@ -545,6 +551,9 @@ extern int ppc4xx_delete_dma_sgl_element(sgl_handle_t, phys_addr_t *, phys_addr_
 extern int ppc4xx_alloc_dma_handle(sgl_handle_t *, unsigned int, unsigned int);
 extern void ppc4xx_free_dma_handle(sgl_handle_t);
 extern int ppc4xx_get_dma_status(void);
+extern int ppc4xx_enable_burst(unsigned int);
+extern int ppc4xx_disable_burst(unsigned int);
+extern int ppc4xx_set_burst_size(unsigned int, unsigned int);
 extern void ppc4xx_set_src_addr(int dmanr, phys_addr_t src_addr);
 extern void ppc4xx_set_dst_addr(int dmanr, phys_addr_t dst_addr);
 extern void ppc4xx_enable_dma(unsigned int dmanr);