DMA support API. More...

#include <bspopts.h>
#include <bsp/utility.h>

Data Structures
struct	lpc_dma_descriptor
	DMA descriptor item. More...

struct	lpc_dma_channel
	DMA channel block. More...

struct	lpc_dma
	DMA control block. More...

Macros
DMA Configuration Register
#define	DMA_CFG_E BSP_BIT32(0)

#define	DMA_CFG_M_0 BSP_BIT32(1)

#define	DMA_CFG_M_1 BSP_BIT32(2)

DMA Channel Control Register
#define	DMA_CH_CTRL_TSZ(val) BSP_FLD32(val, 0, 11)

#define	DMA_CH_CTRL_TSZ_MAX DMA_CH_CTRL_TSZ(0xfff)

#define	DMA_CH_CTRL_SB(val) BSP_FLD32(val, 12, 14)

#define	DMA_CH_CTRL_SB_1 DMA_CH_CTRL_SB(0)

#define	DMA_CH_CTRL_SB_4 DMA_CH_CTRL_SB(1)

#define	DMA_CH_CTRL_SB_8 DMA_CH_CTRL_SB(2)

#define	DMA_CH_CTRL_SB_16 DMA_CH_CTRL_SB(3)

#define	DMA_CH_CTRL_SB_32 DMA_CH_CTRL_SB(4)

#define	DMA_CH_CTRL_SB_64 DMA_CH_CTRL_SB(5)

#define	DMA_CH_CTRL_SB_128 DMA_CH_CTRL_SB(6)

#define	DMA_CH_CTRL_SB_256 DMA_CH_CTRL_SB(7)

#define	DMA_CH_CTRL_DB(val) BSP_FLD32(val, 15, 17)

#define	DMA_CH_CTRL_DB_1 DMA_CH_CTRL_DB(0)

#define	DMA_CH_CTRL_DB_4 DMA_CH_CTRL_DB(1)

#define	DMA_CH_CTRL_DB_8 DMA_CH_CTRL_DB(2)

#define	DMA_CH_CTRL_DB_16 DMA_CH_CTRL_DB(3)

#define	DMA_CH_CTRL_DB_32 DMA_CH_CTRL_DB(4)

#define	DMA_CH_CTRL_DB_64 DMA_CH_CTRL_DB(5)

#define	DMA_CH_CTRL_DB_128 DMA_CH_CTRL_DB(6)

#define	DMA_CH_CTRL_DB_256 DMA_CH_CTRL_DB(7)

#define	DMA_CH_CTRL_SW(val) BSP_FLD32(val, 18, 20)

#define	DMA_CH_CTRL_SW_8 DMA_CH_CTRL_SW(0)

#define	DMA_CH_CTRL_SW_16 DMA_CH_CTRL_SW(1)

#define	DMA_CH_CTRL_SW_32 DMA_CH_CTRL_SW(2)

#define	DMA_CH_CTRL_DW(val) BSP_FLD32(val, 21, 23)

#define	DMA_CH_CTRL_DW_8 DMA_CH_CTRL_DW(0)

#define	DMA_CH_CTRL_DW_16 DMA_CH_CTRL_DW(1)

#define	DMA_CH_CTRL_DW_32 DMA_CH_CTRL_DW(2)

#define	DMA_CH_CTRL_S BSP_BIT32(24)

#define	DMA_CH_CTRL_D BSP_BIT32(25)

#define	DMA_CH_CTRL_SI BSP_BIT32(26)

#define	DMA_CH_CTRL_DI BSP_BIT32(27)

#define	DMA_CH_CTRL_PROT(val) BSP_FLD32(val, 28, 30)

#define	DMA_CH_CTRL_I BSP_BIT32(31)

DMA Channel Configuration Register
#define	DMA_CH_CFG_E BSP_BIT32(0)

#define	DMA_CH_CFG_SPER(val) BSP_FLD32(val, 1, 5)

#define	DMA_CH_CFG_DPER(val) BSP_FLD32(val, 6, 10)

#define	DMA_CH_CFG_FLOW(val) BSP_FLD32(val, 11, 13)

#define	DMA_CH_CFG_FLOW_MEM_TO_MEM_DMA DMA_CH_CFG_FLOW(0)

#define	DMA_CH_CFG_FLOW_MEM_TO_PER_DMA DMA_CH_CFG_FLOW(1)

#define	DMA_CH_CFG_FLOW_PER_TO_MEM_DMA DMA_CH_CFG_FLOW(2)

#define	DMA_CH_CFG_FLOW_PER_TO_PER_DMA DMA_CH_CFG_FLOW(3)

#define	DMA_CH_CFG_FLOW_PER_TO_PER_DEST DMA_CH_CFG_FLOW(4)

#define	DMA_CH_CFG_FLOW_MEM_TO_PER_PER DMA_CH_CFG_FLOW(5)

#define	DMA_CH_CFG_FLOW_PER_TO_MEM_PER DMA_CH_CFG_FLOW(6)

#define	DMA_CH_CFG_FLOW_PER_TO_PER_SRC DMA_CH_CFG_FLOW(7)

#define	DMA_CH_CFG_IE BSP_BIT32(14)

#define	DMA_CH_CFG_ITC BSP_BIT32(15)

#define	DMA_CH_CFG_L BSP_BIT32(16)

#define	DMA_CH_CFG_A BSP_BIT32(17)

#define	DMA_CH_CFG_H BSP_BIT32(18)

LPC24XX DMA Peripherals
#define	LPC24XX_DMA_PER_SSP_0_TX 0

#define	LPC24XX_DMA_PER_SSP_0_RX 1

#define	LPC24XX_DMA_PER_SSP_1_TX 2

#define	LPC24XX_DMA_PER_SSP_1_RX 3

#define	LPC24XX_DMA_PER_SD_MMC 4

#define	LPC24XX_DMA_PER_I2S_CH_0 5

#define	LPC24XX_DMA_PER_I2S_CH_1 6

LPC32XX DMA Peripherals
#define	LPC32XX_DMA_PER_I2S_0_CH_0 0

#define	LPC32XX_DMA_PER_I2S_0_CH_1 13

#define	LPC32XX_DMA_PER_I2S_1_CH_0 2

#define	LPC32XX_DMA_PER_I2S_1_CH_1 10

#define	LPC32XX_DMA_PER_NAND_0 1

#define	LPC32XX_DMA_PER_NAND_1 12

#define	LPC32XX_DMA_PER_SD_MMC 4

#define	LPC32XX_DMA_PER_SSP_0_RX 14

#define	LPC32XX_DMA_PER_SSP_0_TX 15

#define	LPC32XX_DMA_PER_SSP_1_RX 3

#define	LPC32XX_DMA_PER_SSP_1_TX 11

#define	LPC32XX_DMA_PER_UART_1_RX 6

#define	LPC32XX_DMA_PER_UART_1_TX 5

#define	LPC32XX_DMA_PER_UART_2_RX 8

#define	LPC32XX_DMA_PER_UART_2_TX 7

#define	LPC32XX_DMA_PER_UART_7_RX 10

#define	LPC32XX_DMA_PER_UART_7_TX 9

Detailed Description

DMA support API.

Data Structures

Macros

Detailed Description