#ifndef _IMD_H_ #define _IMD_H_ #include "typedef.h" #include "asm/cpu.h" #include "os/os_api.h" #include "device/device.h" #define IOCTL_IMD_SET_CB_FUNC _IOW('M', 1, 4)//注册帧回调函数 #define IOCTL_IMD_SET_CB_PRIV _IOW('M', 2, 4)//注册帧回调函数参数 #define IOCTL_IMD_GET_FRAME_BUFF _IOW('M', 3, 4)//获取IMD的可用缓存帧buff #define IOCTL_IMD_GET_FRAME_BUFF_SIZE _IOW('M', 4, 4)//获取IMD的可用缓存帧buff大小 #define IOCTL_IMD_UPDATE_BUFF _IOW('M', 5, 4)//更新缓冲区数据 #define IMD_LD_PND BIT(31) #define IMD_LD_PND_CLR BIT(30) #define IMD_LD_PND_IE BIT(29) #define IMD_MCH_PND BIT(28) #define IMD_MCH_PND_CLR BIT(27) #define IMD_MCH_PND_IE BIT(26) #define IMD_EMPY_PND BIT(25) #define IMD_EMPY_PND_CLR BIT(24) #define IMD_EMPY_IE BIT(23) #define IMD_RESET_PND BIT(22) #define IMD_RESET_PND_CLR BIT(21) #define IMD_RESET_IE BIT(20) #define IMD_RGB_PND BIT(31) #define IMD_RGB_PND_CLR BIT(30) #define IMD_RGB_PND_IE BIT(29) #define IMD_LD_KSTART BIT(1) #define IMD_RGB_KSTART BIT(1) enum imd_port { IMD_IO_GROUPA = 0, IMD_IO_GROUPC, }; //IMD_PLL_DIV28 一帧数据28ms //IMD_PLL_DIV24 一帧数据24ms //IMD_PLL_DIV20 一帧数据20ms //依次类推 DIV后面数值就是一帧数据的时间 帧数为 1000ms/28ms = 35帧 enum imd_pll_clk_div { IMD_PLL_DIV1 = 0, IMD_PLL_DIV2, IMD_PLL_DIV3, IMD_PLL_DIV4, IMD_PLL_DIV5, IMD_PLL_DIV6, IMD_PLL_DIV7, IMD_PLL_DIV8, IMD_PLL_DIV10, IMD_PLL_DIV12, IMD_PLL_DIV14, IMD_PLL_DIV20, IMD_PLL_DIV24, IMD_PLL_DIV28, IMD_PLL_DIV40, IMD_PLL_DIV56, }; enum imd_rgb_format { IMD_RGB_888 = 0, IMD_RGB_666, IMD_RGB_565, }; enum imd_sync { IMD_SYNC_DIS = 0,//关闭sync输出 IMD_SYNC_EN = BIT(2),//使能SYN输出 IMD_HSYN_EN = BIT(2),//使能HSYN输出 IMD_VSYN_EN = BIT(2) | BIT(0), //使能VSYN输出 IMD_DE_EN = BIT(2) | BIT(1), //使能DE输出 IMD_SYN_EDGE_H = BIT(3),//SYNC(HSYNC/VSYNC/DE)有效电平 IMD_SYN_EDGE_L = BIT(4),//SYNC(HSYNC/VSYNC/DE)有效电平 }; enum imd_data_out_mode {//输出输出大小端 IMD_DATA_MSB = 0, IMD_DATA_LSB, }; enum imd_clk_edge { IMD_CLK_UPDATE_L = 0, IMD_CLK_UPDATE_H = 1, }; /* 1、vsync_forward(vf),vsync_behind(vb),vsync_time(vt)帧同步场时间配置(单位:行时间个数): 例如下面时序:vsync_forward = 2,vsync_behind = 3,vsync_time = 2; 帧VSYNC: ________________________________________ ____________________________________ _____| |_________| |_____ 行HSYNC: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _| |_| |_| |_| |_| |_| |_......_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_......_| |_| |_| |_| |_| |_ 行有效DE: _ _ _ _ _ _ _ _________________| |_| |_......_| |_| |_____________________________| |_......_| |_| |______________ | | | | | |--> height <--|-> vf<-|-> vt <-|-> vb <-| | | | | | 2、hsync_forward(hf),hsync_behind(hb),hsync_time(ht)行同步场时间配置(单位:时钟个数): 例如下面时序:hsync_forward = 2,hsync_behind = 3,hsync_time = 2; 像素点时钟PCLK: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _| |_| |_| |_| |_| |_| |_......_| |_| |_| |_| |_| |_| |_| |_| |_| |_| |_......_| |_| |_| |_| |_| |_ 行HSYNC: ________________________________________ ____________________________________ _____| |_________| |_____ 行有效DE: ____________________ _________________ _________________| |_____________________________| |____________ | | | | | |--> width*3byte <--|-> hf<-|-> ht <-|-> hb <-| | | | | | */ struct imd_rgb_platform_data { u8 test_mode;//IMD打开显示test_color颜色_ u8 group_port;//IMD_IO_GROUPA/IMD_IO_GROUPC u8 irq_en;//true/false u8 req_buf_waite;//底层buff更新是否需要等待在中断更新：小分辨率等待，大分辨率不等带 u8 data_out_mode;//enum imd_data_out_mode 输出输出大小端 u8 data_in_format;//enum imd_rgb_format u8 data_out_format;//enum imd_rgb_format u8 pll_clk_div;//enum imd_pll_clk_div u8 clk_edge;//IMD_CLK_UPDATE_H/IMD_CLK_UPDATE_L u8 de_edge;//IMD_DE_H/IMD_DE_L u8 hsync_edge;//IMD_HSYN_H/IMD_HSYN_L u8 vsync_edge;//IMD_VSYN_H/IMD_VSYN_L u8 data_shift_en;//RGB666数据右移位2位(先右移在按照MSB/LSB输出) u8 double_buffer;//应用层一个buffer,底层一个buffer 双buffer切换 u8 new_double_buffer;//应用层使用双buffer切换 u16 hsync_forward;//行前沿宽度周期个数 u16 hsync_behind;//行后沿宽度周期个数 u16 hsync_time;//行同步脉冲宽度周期 u16 vsync_forward;//帧前沿宽度周期个数 u16 vsync_behind;//帧后沿宽度周期个数 u16 vsync_time;//帧同步脉冲宽度周期 u16 width; u16 height; u16 load_height; u32 test_color;//初始化颜色 u32 sync0;//enum imd_sync u32 sync1;//enum imd_sync u32 sync2;//enum imd_sync }; typedef struct imd_rgb { struct imd_rgb_platform_data info; struct device dev; u8 init; u8 in_irq; u8 start; u8 data_shift_en;//rgb666移位 u8 soft_kst; u8 double_buffer;//应用层一个buffer,底层一个buffer 双buffer切换 u8 req_buf_waite;//是否需要等待imd中断更新数据，小分辨率需要等待，大分辨率不需要 volatile u8 req_upate; volatile u8 new_upate; volatile u8 send_ok; volatile u8 upating; OS_SEM sem; OS_MUTEX mtx; u16 load_height;//IMD每次load数据行个数 u8 *frame_addr; u8 *frame_buf; u32 fps_cnt; u32 frame_size; u32 one_line_bytes; void *irq_cb_priv; void (*irq_cb)(void *priv); } IMD_RGB; #define IMD_RGB_PLATFORM_DATA_BEGIN(rgb) \ static const struct imd_rgb_platform_data rgb = { #define IMD_RGB_PLATFORM_DATA_END() \ }; extern const struct device_operations imd_dev_ops; #endif