This patch introduces OMAP DMA device attributes for using the same in
DMA platform driver for all OMAP's and HWMOD database(OMAP2PLUS onwards)
Signed-off-by: G, Manjunath Kondaiah <manjugk@xxxxxx>
Cc: Benoit Cousson <b-cousson@xxxxxx>
Cc: Kevin Hilman <khilman@xxxxxxxxxxxxxxxxxxx>
Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
---
arch/arm/plat-omap/include/plat/dma.h | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-omap/include/plat/dma.h b/arch/arm/plat-omap/include/plat/dma.h
index 5e28d26..9757b22 100644
--- a/arch/arm/plat-omap/include/plat/dma.h
+++ b/arch/arm/plat-omap/include/plat/dma.h
@@ -296,6 +296,22 @@
#define DMA_ERRATA_i88 (1 << 4)
#define DMA_ERRATA_3_3 (1 << 5)
+/* Attributes for OMAP DMA Contrllers */
+#define ENABLE_1510_MODE (1 << 0x0)
+#define DMA_LINKED_LCH (1 << 0x1)
+#define GLOBAL_PRIORITY (1 << 0x2)
+#define RESERVE_CHANNEL (1 << 0x3)
+#define SRC_PORT (1 << 0x4)
+#define DST_PORT (1 << 0x5)
+#define IS_CSSA_32 (1 << 0x6)
+#define IS_CDSA_32 (1 << 0x7)
+#define SRC_INDEX (1 << 0x8)
+#define DST_INDEX (1 << 0x9)
+#define IS_BURST_ONLY4 (1 << 0xA)
+#define CLEAR_CSR_ON_READ (1 << 0xB)
+#define IS_WORD_16 (1 << 0xC)
+#define IS_RW_PRIORITY (1 << 0xD)
+
enum omap_dma_burst_mode {
OMAP_DMA_DATA_BURST_DIS = 0,
OMAP_DMA_DATA_BURST_4,
@@ -361,6 +377,10 @@ struct omap_dma_channel_params {
#endif
};
+struct omap_dma_dev_attr {
+ u32 dev_caps;
+ u16 lch_count;
+};
extern void omap_set_dma_priority(int lch, int dst_port, int priority);
extern int omap_request_dma(int dev_id, const char *dev_name,
--
1.7.1
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