Added drivers for 9.7" ePaper display

inkycal/display/drivers/9_in_7_drivers/IT8951/IT8951.h

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+#ifndef _IT8951_H_
+#define _IT8951_H_
+
+#include <bcm2835.h>
+#include <stdio.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include "miniGUI.h"
+
+#define CS 				8
+#define HRDY 	        24
+#define RESET 	        17
+
+//prototype of structure
+//structure prototype 1
+typedef struct IT8951LdImgInfo
+{
+    uint16_t usEndianType; //little or Big Endian
+    uint16_t usPixelFormat; //bpp
+    uint16_t usRotate; //Rotate mode
+    uint32_t ulStartFBAddr; //Start address of source Frame buffer
+    uint32_t ulImgBufBaseAddr;//Base address of target image buffer
+    
+}IT8951LdImgInfo;
+
+//structure prototype 2
+typedef struct IT8951AreaImgInfo
+{
+    uint16_t usX;
+    uint16_t usY;
+    uint16_t usWidth;
+    uint16_t usHeight;
+}IT8951AreaImgInfo;
+
+typedef struct
+{
+    uint16_t usPanelW;
+    uint16_t usPanelH;
+    uint16_t usImgBufAddrL;
+    uint16_t usImgBufAddrH;
+    uint16_t usFWVersion[8]; 	//16 Bytes String
+    uint16_t usLUTVersion[8]; 	//16 Bytes String
+}IT8951DevInfo;
+
+//Built in I80 Command Code
+#define IT8951_TCON_SYS_RUN      0x0001
+#define IT8951_TCON_STANDBY      0x0002
+#define IT8951_TCON_SLEEP        0x0003
+#define IT8951_TCON_REG_RD       0x0010
+#define IT8951_TCON_REG_WR       0x0011
+#define IT8951_TCON_MEM_BST_RD_T 0x0012
+#define IT8951_TCON_MEM_BST_RD_S 0x0013
+#define IT8951_TCON_MEM_BST_WR   0x0014
+#define IT8951_TCON_MEM_BST_END  0x0015
+#define IT8951_TCON_LD_IMG       0x0020
+#define IT8951_TCON_LD_IMG_AREA  0x0021
+#define IT8951_TCON_LD_IMG_END   0x0022
+
+//I80 User defined command code
+#define USDEF_I80_CMD_DPY_AREA     0x0034
+#define USDEF_I80_CMD_GET_DEV_INFO 0x0302
+#define USDEF_I80_CMD_DPY_BUF_AREA 0x0037
+//Panel
+#define IT8951_PANEL_WIDTH   1024 //it Get Device information
+#define IT8951_PANEL_HEIGHT   758
+
+//Rotate mode
+#define IT8951_ROTATE_0     0
+#define IT8951_ROTATE_90    1
+#define IT8951_ROTATE_180   2
+#define IT8951_ROTATE_270   3
+
+//Pixel mode , BPP - Bit per Pixel
+#define IT8951_2BPP   0
+#define IT8951_3BPP   1
+#define IT8951_4BPP   2
+#define IT8951_8BPP   3
+
+//Waveform Mode
+#define IT8951_MODE_0   0
+#define IT8951_MODE_1   1
+#define IT8951_MODE_2   2
+#define IT8951_MODE_3   3
+#define IT8951_MODE_4   4
+//Endian Type
+#define IT8951_LDIMG_L_ENDIAN   0
+#define IT8951_LDIMG_B_ENDIAN   1
+//Auto LUT
+#define IT8951_DIS_AUTO_LUT   0
+#define IT8951_EN_AUTO_LUT    1
+//LUT Engine Status
+#define IT8951_ALL_LUTE_BUSY 0xFFFF
+
+//-----------------------------------------------------------------------
+// IT8951 TCon Registers defines
+//-----------------------------------------------------------------------
+//Register Base Address
+#define DISPLAY_REG_BASE 0x1000               //Register RW access for I80 only
+//Base Address of Basic LUT Registers
+#define LUT0EWHR  (DISPLAY_REG_BASE + 0x00)   //LUT0 Engine Width Height Reg
+#define LUT0XYR   (DISPLAY_REG_BASE + 0x40)   //LUT0 XY Reg
+#define LUT0BADDR (DISPLAY_REG_BASE + 0x80)   //LUT0 Base Address Reg
+#define LUT0MFN   (DISPLAY_REG_BASE + 0xC0)   //LUT0 Mode and Frame number Reg
+#define LUT01AF   (DISPLAY_REG_BASE + 0x114)  //LUT0 and LUT1 Active Flag Reg
+//Update Parameter Setting Register
+#define UP0SR (DISPLAY_REG_BASE + 0x134)      //Update Parameter0 Setting Reg
+
+#define UP1SR     (DISPLAY_REG_BASE + 0x138)  //Update Parameter1 Setting Reg
+#define LUT0ABFRV (DISPLAY_REG_BASE + 0x13C)  //LUT0 Alpha blend and Fill rectangle Value
+#define UPBBADDR  (DISPLAY_REG_BASE + 0x17C)  //Update Buffer Base Address
+#define LUT0IMXY  (DISPLAY_REG_BASE + 0x180)  //LUT0 Image buffer X/Y offset Reg
+#define LUTAFSR   (DISPLAY_REG_BASE + 0x224)  //LUT Status Reg (status of All LUT Engines)
+
+#define BGVR      (DISPLAY_REG_BASE + 0x250)  //Bitmap (1bpp) image color table
+//-------System Registers----------------
+#define SYS_REG_BASE 0x0000
+
+//Address of System Registers
+#define I80CPCR (SYS_REG_BASE + 0x04)
+//-------Memory Converter Registers----------------
+#define MCSR_BASE_ADDR 0x0200
+#define MCSR (MCSR_BASE_ADDR  + 0x0000)
+#define LISAR (MCSR_BASE_ADDR + 0x0008)
+
+void InterfaceInit(void);
+//void HostInit(void);
+uint8_t IT8951_Init(void);
+void IT8951_Cancel(void);
+void IT8951DisplayExample(void);
+void IT8951DisplayExample2(void);
+void IT8951Display1bppExample2(void);
+void IT8951DisplayExample3(void);
+void IT8951_GUI_Example(void);
+void IT8951_BMP_Example(uint32_t x, uint32_t y,char *path);
+
+
+//temp
+uint16_t IT8951ReadReg(uint16_t usRegAddr);
+void IT8951SetImgBufBaseAddr(uint32_t ulImgBufAddr);
+void LCDWaitForReady(void);
+void GetIT8951SystemInfo(void* pBuf);
+void gpio_i80_16b_cmd_out(uint16_t usCmd);
+void GPIO_Configuration_Out(void);
+void GPIO_Configuration_In(void);
+
+void IT8951DisplayClear(void);
+
+//uint16_t IT8951ReadReg(uint16_t usRegAddr);
+void IT8951WriteReg(uint16_t usRegAddr,uint16_t usValue);
+
+
+#endif
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