165 lines
4.1 KiB
C
165 lines
4.1 KiB
C
#ifndef FRAMEBUFFER_H
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#define FRAMEBUFFER_H
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#include "typedef.h"
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#include "ioctl.h"
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#include "device/device.h"
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#include "system/spinlock.h"
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#define FBIOGET_VSCREENINFO _IOR('F', 0, sizeof(struct fb_var_screeninfo))
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#define FBIOSET_VSCREENINFO _IOW('F', 0, sizeof(struct fb_var_screeninfo))
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#define FBIOGETMAP _IOR('F', 1, sizeof(struct fb_map_user))
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#define FBIOPUTMAP _IOW('F', 1, sizeof(struct fb_map_user))
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#define FBIOBLANK _IOW('F', 2, sizeof(int))
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#define FBIOSET_TRANSP _IOW('F', 3, sizeof(int))
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#define FBIOSET_PALLET _IOW('F', 4, sizeof(int))
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#define FBIOSET_FBUFFER_NUM _IOW('F', 5, sizeof(int))
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#define FBIOGET_FBUFFER_NUM _IOR('F', 5, sizeof(int))
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#define FBIOGET_FBUFFER _IOW('F', 6, sizeof(int))
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#define FBIOPUT_FBUFFER _IOW('F', 7, sizeof(int))
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#define FBIOSET_ENABLE _IOW('F', 8, sizeof(int))
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#define FBIOSET_BACKCOLOR _IOW('F', 9, sizeof(int))
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#define FBIOGET_FBUFFER_INUSED _IOR('F', 10, sizeof(int))
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#define FBIOPUT_FBUFFER_INUSED _IOW('F', 10, sizeof(int))
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#define FBIOGET_DEVSCREENINFO _IOR('F', 11, sizeof(struct lcd_screen_info))
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#define FBIOSET_BLOCK _IOW('F', 12, sizeof(int))
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#define FBIOGET_PRIVATE_ATTR _IOR('F', 13, sizeof(void *))
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#define FBIOSET_EVENT_HANDLER _IOR('F', 14, sizeof(void *))
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//万花筒特效操作
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#define FBIOSET_EFFECT_INIT _IOW('F', 15, sizeof(int))//初始化
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#define FBIOSET_EFFECT_ENABLE _IOW('F', 16, sizeof(int))//使能显示
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#define FBIOSET_EFFECT_UNENABLE _IOW('F', 17, sizeof(int))//关闭使能
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#define FBIOSET_EFFECT_MODE _IOW('F', 18, sizeof(int))//模式切换
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#define FBIOSET_EFFECT_FREE _IOW('F', 19, sizeof(int))//释放内存
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enum fb_event {
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FB_EVT_PAUSE,
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FB_EVT_RESUME,
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};
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enum {
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FB_BUFFER_IDLE,
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FB_BUFFER_LOCK,
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FB_BUFFER_PENDING,
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FB_BUFFER_INUSED,
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};
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enum {
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MODE_SHARED,
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};
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//注：以下顺序不可更改
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enum {
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FB_COLOR_FORMAT_SOLID_COLOR,
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FB_COLOR_FORMAT_YUV420,
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FB_COLOR_FORMAT_YUV422,
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FB_COLOR_FORMAT_RGB888,
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FB_COLOR_FORMAT_RGB565,
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FB_COLOR_FORMAT_16K,
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FB_COLOR_FORMAT_256,
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FB_COLOR_FORMAT_2BIT, //水平32对齐
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FB_COLOR_FORMAT_1BIT, //水平64对齐
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FB_COLOR_FORMAT_OSD16,
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FB_COLOR_FORMAT_OSD8A,
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FB_COLOR_FORMAT_OSD8,
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};
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struct fb_buffer {
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struct list_head entry;
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u8 status;
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u8 *baddr;
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};
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struct fb_map_user {
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u16 xoffset;
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u16 yoffset;
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u16 width;
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u16 height;
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u8 *baddr;
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u8 *yaddr;
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u8 *uaddr;
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u8 *vaddr;
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u8 transp;
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u8 format;
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};
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struct fb_var_screeninfo {
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u16 s_xoffset; //显示区域x坐标
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u16 s_yoffset; //显示区域y坐标
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u16 s_xres; //显示区域宽度
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u16 s_yres; //显示区域高度
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u16 v_xoffset; //屏幕的虚拟x坐标
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u16 v_yoffset; //屏幕的虚拟y坐标
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u16 v_xres; //屏幕的虚拟宽度
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u16 v_yres; //屏幕的虚拟高度
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u16 rotate;
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};
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struct fb_info;
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struct fb_ops {
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int (*fb_open)(struct fb_info *fb, void *arg);
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int (*fb_ioctl)(struct fb_info *fb, int cmd, unsigned long arg);
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int (*fb_close)(struct fb_info *fb);
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};
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struct fb_evt_handler {
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void *priv;
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int (*handler)(void *, enum fb_event evt);
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};
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struct fb_info {
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const char *name;
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u8 format;
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u8 block;
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u8 pause;
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spinlock_t lock;
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struct fb_var_screeninfo var;
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const struct fb_ops *fbops;
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struct device device;
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void *private_data;
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void *pd;
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struct fb_buffer *pending;
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struct fb_buffer *inused;
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struct fb_buffer fb_buf[3];
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struct list_head head;
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struct fb_evt_handler evt_hdl;
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};
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extern const struct device_operations fb_dev_ops;
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void *fb_get_platform_data(const char *fb_name);
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int register_framebuffer(struct fb_info *fb);
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int fb_pause(struct fb_info *fb);
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void fb_resume(struct fb_info *fb);
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int fb_malloc_buffer(struct fb_info *fb);
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void fb_free_buffer(struct fb_info *fb);
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void __fb_put_map_complete(struct fb_info *fb, u32 baddr);
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#endif
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