From: Anand Gadiyar <gadiyar@xxxxxx>
Added OMAP34xx DMA request lines. Renamed existing lines as:
OMAP242X_DMA_* for 2420 specific names
OMAP243X_DMA_* for 2430 specific names/names present from 243X onwards
OMAP24XX_DMA_* for names common to all 24XX, 34XX
OMAP34XX_DMA_* for 34XX specific names
Signed-off-by: Anand Gadiyar <gadiyar@xxxxxx>
---
include/asm-arm/arch-omap/dma.h | 171 +++++++++++++++++++++++++---------------
1 files changed, 107 insertions(+), 64 deletions(-)
Index: linux-omap-2.6/include/asm-arm/arch-omap/dma.h
===================================================================
--- linux-omap-2.6.orig/include/asm-arm/arch-omap/dma.h 2008-01-10 15:22:42.227073096 +0530
+++ linux-omap-2.6/include/asm-arm/arch-omap/dma.h 2008-01-12 16:03:34.561155235 +0530
@@ -190,69 +190,105 @@
/* DMA channels for 24xx */
#define OMAP24XX_DMA_NO_DEVICE 0
+
#define OMAP24XX_DMA_XTI_DMA 1 /* S_DMA_0 */
#define OMAP24XX_DMA_EXT_DMAREQ0 2 /* S_DMA_1 */
#define OMAP24XX_DMA_EXT_DMAREQ1 3 /* S_DMA_2 */
#define OMAP24XX_DMA_GPMC 4 /* S_DMA_3 */
#define OMAP24XX_DMA_GFX 5 /* S_DMA_4 */
#define OMAP24XX_DMA_DSS 6 /* S_DMA_5 */
-#define OMAP24XX_DMA_VLYNQ_TX 7 /* S_DMA_6 */
+#define OMAP242X_DMA_VLYNQ_TX 7 /* S_DMA_6 */
+#define OMAP24XX_DMA_EXT_DMAREQ2 7 /* S_DMA_6 */
#define OMAP24XX_DMA_CWT 8 /* S_DMA_7 */
#define OMAP24XX_DMA_AES_TX 9 /* S_DMA_8 */
#define OMAP24XX_DMA_AES_RX 10 /* S_DMA_9 */
#define OMAP24XX_DMA_DES_TX 11 /* S_DMA_10 */
#define OMAP24XX_DMA_DES_RX 12 /* S_DMA_11 */
#define OMAP24XX_DMA_SHA1MD5_RX 13 /* S_DMA_12 */
-#define OMAP24XX_DMA_EXT_DMAREQ2 14 /* S_DMA_13 */
-#define OMAP24XX_DMA_EXT_DMAREQ3 15 /* S_DMA_14 */
-#define OMAP24XX_DMA_EXT_DMAREQ4 16 /* S_DMA_15 */
-#define OMAP24XX_DMA_EAC_AC_RD 17 /* S_DMA_16 */
-#define OMAP24XX_DMA_EAC_AC_WR 18 /* S_DMA_17 */
-#define OMAP24XX_DMA_EAC_MD_UL_RD 19 /* S_DMA_18 */
-#define OMAP24XX_DMA_EAC_MD_UL_WR 20 /* S_DMA_19 */
-#define OMAP24XX_DMA_EAC_MD_DL_RD 21 /* S_DMA_20 */
-#define OMAP24XX_DMA_EAC_MD_DL_WR 22 /* S_DMA_21 */
-#define OMAP24XX_DMA_EAC_BT_UL_RD 23 /* S_DMA_22 */
-#define OMAP24XX_DMA_EAC_BT_UL_WR 24 /* S_DMA_23 */
-#define OMAP24XX_DMA_EAC_BT_DL_RD 25 /* S_DMA_24 */
-#define OMAP24XX_DMA_EAC_BT_DL_WR 26 /* S_DMA_25 */
+#define OMAP34XX_DMA_SHA2MD5_RX 13 /* S_DMA_12 */
+#define OMAP242X_DMA_EXT_DMAREQ2 14 /* S_DMA_13 */
+#define OMAP242X_DMA_EXT_DMAREQ3 15 /* S_DMA_14 */
+#define OMAP242X_DMA_EXT_DMAREQ4 16 /* S_DMA_15 */
+#define OMAP242X_DMA_EAC_AC_RD 17 /* S_DMA_16 */
+#define OMAP242X_DMA_EAC_AC_WR 18 /* S_DMA_17 */
+#define OMAP242X_DMA_EAC_MD_UL_RD 19 /* S_DMA_18 */
+#define OMAP242X_DMA_EAC_MD_UL_WR 20 /* S_DMA_19 */
+#define OMAP242X_DMA_EAC_MD_DL_RD 21 /* S_DMA_20 */
+#define OMAP242X_DMA_EAC_MD_DL_WR 22 /* S_DMA_21 */
+#define OMAP242X_DMA_EAC_BT_UL_RD 23 /* S_DMA_22 */
+#define OMAP242X_DMA_EAC_BT_UL_WR 24 /* S_DMA_23 */
+#define OMAP242X_DMA_EAC_BT_DL_RD 25 /* S_DMA_24 */
+#define OMAP242X_DMA_EAC_BT_DL_WR 26 /* S_DMA_25 */
+#define OMAP243X_DMA_EXT_DMAREQ3 14 /* S_DMA_13 */
+#define OMAP24XX_DMA_SPI3_TX0 15 /* S_DMA_14 */
+#define OMAP24XX_DMA_SPI3_RX0 16 /* S_DMA_15 */
+#define OMAP24XX_DMA_MCBSP3_TX 17 /* S_DMA_16 */
+#define OMAP24XX_DMA_MCBSP3_RX 18 /* S_DMA_17 */
+#define OMAP24XX_DMA_MCBSP4_TX 19 /* S_DMA_18 */
+#define OMAP24XX_DMA_MCBSP4_RX 20 /* S_DMA_19 */
+#define OMAP24XX_DMA_MCBSP5_TX 21 /* S_DMA_20 */
+#define OMAP24XX_DMA_MCBSP5_RX 22 /* S_DMA_21 */
+#define OMAP24XX_DMA_SPI3_TX1 23 /* S_DMA_22 */
+#define OMAP24XX_DMA_SPI3_RX1 24 /* S_DMA_23 */
+#define OMAP243X_DMA_EXT_DMAREQ4 25 /* S_DMA_24 */
+#define OMAP243X_DMA_EXT_DMAREQ5 26 /* S_DMA_25 */
+#define OMAP34XX_DMA_I2C3_TX 25 /* S_DMA_24 */
+#define OMAP34XX_DMA_I2C3_RX 26 /* S_DMA_25 */
#define OMAP24XX_DMA_I2C1_TX 27 /* S_DMA_26 */
#define OMAP24XX_DMA_I2C1_RX 28 /* S_DMA_27 */
#define OMAP24XX_DMA_I2C2_TX 29 /* S_DMA_28 */
#define OMAP24XX_DMA_I2C2_RX 30 /* S_DMA_29 */
-#define OMAP24XX_DMA_MCBSP1_TX 31 /* SDMA_30 */
-#define OMAP24XX_DMA_MCBSP1_RX 32 /* SDMA_31 */
-#define OMAP24XX_DMA_MCBSP2_TX 33 /* SDMA_32 */
-#define OMAP24XX_DMA_MCBSP2_RX 34 /* SDMA_33 */
-#define OMAP24XX_DMA_SPI1_TX0 35 /* SDMA_34 */
-#define OMAP24XX_DMA_SPI1_RX0 36 /* SDMA_35 */
-#define OMAP24XX_DMA_SPI1_TX1 37 /* SDMA_36 */
-#define OMAP24XX_DMA_SPI1_RX1 38 /* SDMA_37 */
-#define OMAP24XX_DMA_SPI1_TX2 39 /* SDMA_38 */
-#define OMAP24XX_DMA_SPI1_RX2 40 /* SDMA_39 */
-#define OMAP24XX_DMA_SPI1_TX3 41 /* SDMA_40 */
-#define OMAP24XX_DMA_SPI1_RX3 42 /* SDMA_41 */
-#define OMAP24XX_DMA_SPI2_TX0 43 /* SDMA_42 */
-#define OMAP24XX_DMA_SPI2_RX0 44 /* SDMA_43 */
-#define OMAP24XX_DMA_SPI2_TX1 45 /* SDMA_44 */
-#define OMAP24XX_DMA_SPI2_RX1 46 /* SDMA_45 */
-
-#define OMAP24XX_DMA_UART1_TX 49 /* SDMA_48 */
-#define OMAP24XX_DMA_UART1_RX 50 /* SDMA_49 */
-#define OMAP24XX_DMA_UART2_TX 51 /* SDMA_50 */
-#define OMAP24XX_DMA_UART2_RX 52 /* SDMA_51 */
-#define OMAP24XX_DMA_UART3_TX 53 /* SDMA_52 */
-#define OMAP24XX_DMA_UART3_RX 54 /* SDMA_53 */
-#define OMAP24XX_DMA_USB_W2FC_TX0 55 /* SDMA_54 */
-#define OMAP24XX_DMA_USB_W2FC_RX0 56 /* SDMA_55 */
-#define OMAP24XX_DMA_USB_W2FC_TX1 57 /* SDMA_56 */
-#define OMAP24XX_DMA_USB_W2FC_RX1 58 /* SDMA_57 */
-#define OMAP24XX_DMA_USB_W2FC_TX2 59 /* SDMA_58 */
-#define OMAP24XX_DMA_USB_W2FC_RX2 60 /* SDMA_59 */
-#define OMAP24XX_DMA_MMC1_TX 61 /* SDMA_60 */
-#define OMAP24XX_DMA_MMC1_RX 62 /* SDMA_61 */
-#define OMAP24XX_DMA_MS 63 /* SDMA_62 */
-#define OMAP24XX_DMA_EXT_DMAREQ5 64 /* S_DMA_63 */
+#define OMAP24XX_DMA_MCBSP1_TX 31 /* S_DMA_30 */
+#define OMAP24XX_DMA_MCBSP1_RX 32 /* S_DMA_31 */
+#define OMAP24XX_DMA_MCBSP2_TX 33 /* S_DMA_32 */
+#define OMAP24XX_DMA_MCBSP2_RX 34 /* S_DMA_33 */
+#define OMAP24XX_DMA_SPI1_TX0 35 /* S_DMA_34 */
+#define OMAP24XX_DMA_SPI1_RX0 36 /* S_DMA_35 */
+#define OMAP24XX_DMA_SPI1_TX1 37 /* S_DMA_36 */
+#define OMAP24XX_DMA_SPI1_RX1 38 /* S_DMA_37 */
+#define OMAP24XX_DMA_SPI1_TX2 39 /* S_DMA_38 */
+#define OMAP24XX_DMA_SPI1_RX2 40 /* S_DMA_39 */
+#define OMAP24XX_DMA_SPI1_TX3 41 /* S_DMA_40 */
+#define OMAP24XX_DMA_SPI1_RX3 42 /* S_DMA_41 */
+#define OMAP24XX_DMA_SPI2_TX0 43 /* S_DMA_42 */
+#define OMAP24XX_DMA_SPI2_RX0 44 /* S_DMA_43 */
+#define OMAP24XX_DMA_SPI2_TX1 45 /* S_DMA_44 */
+#define OMAP24XX_DMA_SPI2_RX1 46 /* S_DMA_45 */
+#define OMAP24XX_DMA_MMC2_TX 47 /* S_DMA_46 */
+#define OMAP24XX_DMA_MMC2_RX 48 /* S_DMA_47 */
+#define OMAP24XX_DMA_UART1_TX 49 /* S_DMA_48 */
+#define OMAP24XX_DMA_UART1_RX 50 /* S_DMA_49 */
+#define OMAP24XX_DMA_UART2_TX 51 /* S_DMA_50 */
+#define OMAP24XX_DMA_UART2_RX 52 /* S_DMA_51 */
+#define OMAP24XX_DMA_UART3_TX 53 /* S_DMA_52 */
+#define OMAP24XX_DMA_UART3_RX 54 /* S_DMA_53 */
+#define OMAP24XX_DMA_USB_W2FC_TX0 55 /* S_DMA_54 */
+#define OMAP24XX_DMA_USB_W2FC_RX0 56 /* S_DMA_55 */
+#define OMAP24XX_DMA_USB_W2FC_TX1 57 /* S_DMA_56 */
+#define OMAP24XX_DMA_USB_W2FC_RX1 58 /* S_DMA_57 */
+#define OMAP24XX_DMA_USB_W2FC_TX2 59 /* S_DMA_58 */
+#define OMAP24XX_DMA_USB_W2FC_RX2 60 /* S_DMA_59 */
+#define OMAP24XX_DMA_MMC1_TX 61 /* S_DMA_60 */
+#define OMAP24XX_DMA_MMC1_RX 62 /* S_DMA_61 */
+#define OMAP24XX_DMA_MS 63 /* S_DMA_62 */
+#define OMAP242X_DMA_EXT_DMAREQ5 64 /* S_DMA_63 */
+#define OMAP243X_DMA_EXT_DMAREQ6 64 /* S_DMA_63 */
+#define OMAP34XX_DMA_EXT_DMAREQ3 64 /* S_DMA_63 */
+#define OMAP34XX_DMA_AES2_TX 65 /* S_DMA_64 */
+#define OMAP34XX_DMA_AES2_RX 66 /* S_DMA_65 */
+#define OMAP34XX_DMA_DES2_TX 67 /* S_DMA_66 */
+#define OMAP34XX_DMA_DES2_RX 68 /* S_DMA_67 */
+#define OMAP34XX_DMA_SHA1MD5_RX 69 /* S_DMA_68 */
+#define OMAP34XX_DMA_SPI4_TX0 70 /* S_DMA_69 */
+#define OMAP34XX_DMA_SPI4_RX0 71 /* S_DMA_70 */
+#define OMAP34XX_DSS_DMA0 72 /* S_DMA_71 */
+#define OMAP34XX_DSS_DMA1 73 /* S_DMA_72 */
+#define OMAP34XX_DSS_DMA2 74 /* S_DMA_73 */
+#define OMAP34XX_DSS_DMA3 75 /* S_DMA_74 */
+#define OMAP34XX_DMA_MMC3_TX 77 /* S_DMA_76 */
+#define OMAP34XX_DMA_MMC3_RX 78 /* S_DMA_77 */
+#define OMAP34XX_DMA_USIM_TX 79 /* S_DMA_78 */
+#define OMAP34XX_DMA_USIM_RX 80 /* S_DMA_79 */
/*----------------------------------------------------------------------------*/
@@ -323,14 +359,14 @@
#define DMA_DEFAULT_FIFO_DEPTH 0x10
#define DMA_DEFAULT_ARB_RATE 0x01
/* Pass THREAD_RESERVE ORed with THREAD_FIFO for tparams */
-#define DMA_THREAD_RESERVE_NORM (0x00 << 12) /* Def */
-#define DMA_THREAD_RESERVE_ONET (0x01 << 12)
-#define DMA_THREAD_RESERVE_TWOT (0x02 << 12)
-#define DMA_THREAD_RESERVE_THREET (0x03 << 12)
-#define DMA_THREAD_FIFO_NONE (0x00 << 14) /* Def */
-#define DMA_THREAD_FIFO_75 (0x01 << 14)
-#define DMA_THREAD_FIFO_25 (0x02 << 14)
-#define DMA_THREAD_FIFO_50 (0x03 << 14)
+#define DMA_THREAD_RESERVE_NORM (0x00 << 12) /* Def */
+#define DMA_THREAD_RESERVE_ONET (0x01 << 12)
+#define DMA_THREAD_RESERVE_TWOT (0x02 << 12)
+#define DMA_THREAD_RESERVE_THREET (0x03 << 12)
+#define DMA_THREAD_FIFO_NONE (0x00 << 14) /* Def */
+#define DMA_THREAD_FIFO_75 (0x01 << 14)
+#define DMA_THREAD_FIFO_25 (0x02 << 14)
+#define DMA_THREAD_FIFO_50 (0x03 << 14)
/* Chaining modes*/
#ifndef CONFIG_ARCH_OMAP1
@@ -358,6 +394,11 @@
OMAP_DMA_DATA_BURST_16,
};
+enum end_type {
+ LITTLE_ENDIAN = 0,
+ BIG_ENDIAN
+};
+
enum omap_dma_color_mode {
OMAP_DMA_COLOR_DIS = 0,
OMAP_DMA_CONSTANT_FILL,
@@ -450,22 +491,24 @@
extern void omap_clear_dma(int lch);
extern int omap_dma_running(void);
extern void omap_dma_set_global_params(int arb_rate, int max_fifo_depth,
- int tparams);
+ int tparams);
extern int omap_dma_set_prio_lch(int lch, unsigned char read_prio,
- unsigned char write_prio);
+ unsigned char write_prio);
+extern void omap_set_dma_dst_endian_type(int lch, enum end_type etype);
+extern void omap_set_dma_src_endian_type(int lch, enum end_type etype);
+extern int omap_get_dma_index(int lch, int *ei, int *fi);
/* 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);
+ 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);
+ 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);
-
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