112 lines
4.2 KiB
C

/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-03-05 bernard first version.
*/
#ifndef RT_LCD_H__
#define RT_LCD_H__
/* ioctls
0x46 is 'F' */
#define FBIOGET_VSCREENINFO 0x4600
#define FBIOPUT_VSCREENINFO 0x4601
#define FBIOGET_FSCREENINFO 0x4602
#define FBIOGETCMAP 0x4604
#define FBIOPUTCMAP 0x4605
#define FBIOPAN_DISPLAY 0x4606
#define FBIO_CURSOR 0x4608
/* #define FBIOGET_MONITORSPEC 0x460C */
/* #define FBIOPUT_MONITORSPEC 0x460D */
/* #define FBIOSWITCH_MONIBIT 0x460E */
#define FBIOGET_CON2FBMAP 0x460F
#define FBIOPUT_CON2FBMAP 0x4610
#define FBIOBLANK 0x4611 /* arg: 0 or vesa level + 1 */
#define FBIOGET_VBLANK 0x4612
#define FBIO_ALLOC 0x4613
#define FBIO_FREE 0x4614
#define FBIOGET_GLYPH 0x4615
#define FBIOGET_HWCINFO 0x4616
#define FBIOPUT_MODEINFO 0x4617
#define FBIOGET_DISPINFO 0x4618
#define FBIO_WAITFORVSYNC 0x4620
struct fb_bitfield
{
uint32_t offset; /* beginning of bitfield */
uint32_t length; /* length of bitfield */
uint32_t msb_right; /* != 0 : Most significant bit is */
/* right */
};
struct fb_var_screeninfo
{
uint32_t xres; /* visible resolution */
uint32_t yres;
uint32_t xres_virtual; /* virtual resolution */
uint32_t yres_virtual;
uint32_t xoffset; /* offset from virtual to visible */
uint32_t yoffset; /* resolution */
uint32_t bits_per_pixel; /* guess what */
uint32_t grayscale; /* 0 = color, 1 = grayscale, */
/* >1 = FOURCC */
struct fb_bitfield red; /* bitfield in fb mem if true color, */
struct fb_bitfield green; /* else only length is significant */
struct fb_bitfield blue;
struct fb_bitfield transp; /* transparency */
uint32_t nonstd; /* != 0 Non standard pixel format */
uint32_t activate; /* see FB_ACTIVATE_* */
uint32_t height; /* height of picture in mm */
uint32_t width; /* width of picture in mm */
uint32_t accel_flags; /* (OBSOLETE) see fb_info.flags */
/* Timing: All values in pixclocks, except pixclock (of course) */
uint32_t pixclock; /* pixel clock in ps (pico seconds) */
uint32_t left_margin; /* time from sync to picture */
uint32_t right_margin; /* time from picture to sync */
uint32_t upper_margin; /* time from sync to picture */
uint32_t lower_margin;
uint32_t hsync_len; /* length of horizontal sync */
uint32_t vsync_len; /* length of vertical sync */
uint32_t sync; /* see FB_SYNC_* */
uint32_t vmode; /* see FB_VMODE_* */
uint32_t rotate; /* angle we rotate counter clockwise */
uint32_t colorspace; /* colorspace for FOURCC-based modes */
uint32_t reserved[4]; /* Reserved for future compatibility */
};
struct fb_fix_screeninfo
{
char id[16]; /* identification string eg "TT Builtin" */
unsigned long smem_start; /* Start of frame buffer mem */
/* (physical address) */
uint32_t smem_len; /* Length of frame buffer mem */
uint32_t type; /* see FB_TYPE_* */
uint32_t type_aux; /* Interleave for interleaved Planes */
uint32_t visual; /* see FB_VISUAL_* */
uint16_t xpanstep; /* zero if no hardware panning */
uint16_t ypanstep; /* zero if no hardware panning */
uint16_t ywrapstep; /* zero if no hardware ywrap */
uint32_t line_length; /* length of a line in bytes */
unsigned long mmio_start; /* Start of Memory Mapped I/O */
/* (physical address) */
uint32_t mmio_len; /* Length of Memory Mapped I/O */
uint32_t accel; /* Indicate to driver which */
/* specific chip/card we have */
uint16_t capabilities; /* see FB_CAP_* */
uint16_t reserved[2]; /* Reserved for future compatibility */
};
#endif