libboard/include/ili9488_dma.h

0001 /* ---------------------------------------------------------------------------- */
0002 /*                  Atmel Microcontroller Software Support                      */
0003 /*                       SAM Software Package License                           */
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0005 /* Copyright (c) 2015, Atmel Corporation                                        */
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0029
0030 /**
0031  * \file
0032  *
0033  * Interface of ILI9488 driver.
0034  *
0035  */
0036
0037 #ifndef _ILI9488_DMA_H_
0038 #define _ILI9488_DMA_H_
0039
0040 /*----------------------------------------------------------------------------
0041  *        Headers
0042  *----------------------------------------------------------------------------*/
0043
0044 #include "board.h"
0045 #include <stdint.h>
0046
0047 /*------------------------------------------------------------------------------
0048  *        Definitions
0049  *----------------------------------------------------------------------------*/
0050 /** An unspecified error has occurred.*/
0051 #define ILI9488_ERROR_DMA_ALLOCATE_CHANNEL          1
0052 #define ILI9488_ERROR_DMA_CONFIGURE                 2
0053 #define ILI9488_ERROR_DMA_TRANSFER                  3
0054 #define ILI9488_ERROR_DMA_SIZE                      4
0055
0056 #define ILI9488_SPI                                 SPI0
0057 #define ILI9488_SPI_ID                              ID_SPI0
0058
0059 /* EBI BASE ADDRESS for SMC LCD */
0060 #define ILI9488_BASE_ADDRESS        0x63000000
0061
0062 /*------------------------------------------------------------------------------
0063  *        Types
0064  *----------------------------------------------------------------------------*/
0065
0066 typedef struct _ILI9488_dma {
0067     /** Pointer to DMA driver */
0068     sXdmad              *xdmaD;
0069     /** ili9488 Tx channel */
0070     uint32_t            ili9488DmaTxChannel;
0071     /** ili9488 Rx channel */
0072     uint32_t            ili9488DmaRxChannel;
0073     /** ili9488 Tx/Rx configure descriptor */
0074     sXdmadCfg           xdmadRxCfg, xdmadTxCfg;
0075     /** ili9488 dma interrupt */
0076     uint32_t            xdmaInt;
0077     /** Pointer to SPI Hardware registers */
0078     Spi                *pSpiHw;
0079     /** SPI Id as defined in the product datasheet */
0080     uint8_t             spiId;
0081 } sIli9488Dma;
0082
0083 typedef struct _ILI9488_ctl {
0084     /** ili9488 Command/Data mode */
0085     volatile uint32_t       cmdOrDataFlag;
0086     /** ili9488 Rx done */
0087     volatile uint32_t       rxDoneFlag;
0088     /** ili9488 Tx done */
0089     volatile uint32_t       txDoneFlag;
0090 } sIli9488DmaCtl;
0091
0092 #endif /* #ifndef ILI9488_DMA */