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uboot/u-boot-stm32mp-2020.01/include/linux/fb.h

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#ifndef _LINUX_FB_H
#define _LINUX_FB_H
#include <linux/types.h>
#include <linux/list.h>
/* Definitions of frame buffers */
#define FB_MAX 32 /* sufficient for now */
#define FB_TYPE_PACKED_PIXELS 0 /* Packed Pixels */
#define FB_VISUAL_MONO01 0 /* Monochr. 1=Black 0=White */
#define FB_VISUAL_MONO10 1 /* Monochr. 1=White 0=Black */
#define FB_VISUAL_TRUECOLOR 2 /* True color */
#define FB_VISUAL_PSEUDOCOLOR 3 /* Pseudo color (like atari) */
#define FB_VISUAL_DIRECTCOLOR 4 /* Direct color */
#define FB_VISUAL_STATIC_PSEUDOCOLOR 5 /* Pseudo color readonly */
#define FB_ACCEL_NONE 0 /* no hardware accelerator */
struct fb_fix_screeninfo {
char id[16]; /* identification string eg "TT Builtin" */
unsigned long smem_start; /* Start of frame buffer mem */
/* (physical address) */
__u32 smem_len; /* Length of frame buffer mem */
__u32 type; /* see FB_TYPE_* */
__u32 type_aux; /* Interleave for interleaved Planes */
__u32 visual; /* see FB_VISUAL_* */
__u16 xpanstep; /* zero if no hardware panning */
__u16 ypanstep; /* zero if no hardware panning */
__u16 ywrapstep; /* zero if no hardware ywrap */
__u32 line_length; /* length of a line in bytes */
unsigned long mmio_start; /* Start of Memory Mapped I/O */
/* (physical address) */
__u32 mmio_len; /* Length of Memory Mapped I/O */
__u32 accel; /* Indicate to driver which */
/* specific chip/card we have */
__u16 reserved[3]; /* Reserved for future compatibility */
};
/*
* Interpretation of offset for color fields: All offsets are from the right,
* inside a "pixel" value, which is exactly 'bits_per_pixel' wide (means: you
* can use the offset as right argument to <<). A pixel afterwards is a bit
* stream and is written to video memory as that unmodified.
*
* For pseudocolor: offset and length should be the same for all color
* components. Offset specifies the position of the least significant bit
* of the pallette index in a pixel value. Length indicates the number
* of available palette entries (i.e. # of entries = 1 << length).
*/
struct fb_bitfield {
__u32 offset; /* beginning of bitfield */
__u32 length; /* length of bitfield */
__u32 msb_right;
};
#define FB_NONSTD_HAM 1 /* Hold-And-Modify (HAM) */
#define FB_NONSTD_REV_PIX_IN_B 2 /* order of pixels in each byte is reversed */
#define FB_ACTIVATE_NOW 0 /* set values immediately (or vbl)*/
#define FB_ACTIVATE_NXTOPEN 1 /* activate on next open */
#define FB_ACTIVATE_TEST 2 /* don't set, round up impossible */
#define FB_ACTIVATE_MASK 15
/* values */
#define FB_ACTIVATE_VBL 16 /* activate values on next vbl */
#define FB_CHANGE_CMAP_VBL 32 /* change colormap on vbl */
#define FB_ACTIVATE_ALL 64 /* change all VCs on this fb */
#define FB_ACTIVATE_FORCE 128 /* force apply even when no change*/
#define FB_ACTIVATE_INV_MODE 256 /* invalidate videomode */
#define FB_SYNC_HOR_HIGH_ACT 1 /* horizontal sync high active */
#define FB_SYNC_VERT_HIGH_ACT 2 /* vertical sync high active */
#define FB_SYNC_EXT 4 /* external sync */
#define FB_SYNC_COMP_HIGH_ACT 8 /* composite sync high active */
#define FB_SYNC_BROADCAST 16 /* broadcast video timings */
/* vtotal = 144d/288n/576i => PAL */
/* vtotal = 121d/242n/484i => NTSC */
#define FB_SYNC_ON_GREEN 32 /* sync on green */
#define FB_VMODE_NONINTERLACED 0 /* non interlaced */
#define FB_VMODE_INTERLACED 1 /* interlaced */
#define FB_VMODE_DOUBLE 2 /* double scan */
#define FB_VMODE_ODD_FLD_FIRST 4 /* interlaced: top line first */
#define FB_VMODE_MASK 255
#define FB_VMODE_YWRAP 256 /* ywrap instead of panning */
#define FB_VMODE_SMOOTH_XPAN 512 /* smooth xpan possible (internally used) */
#define FB_VMODE_CONUPDATE 512 /* don't update x/yoffset */
/*
* Display rotation support
*/
#define FB_ROTATE_UR 0
#define FB_ROTATE_CW 1
#define FB_ROTATE_UD 2
#define FB_ROTATE_CCW 3
#define PICOS2KHZ(a) (1000000000UL/(a))
#define KHZ2PICOS(a) (1000000000UL/(a))
struct fb_var_screeninfo {
__u32 xres; /* visible resolution */
__u32 yres;
__u32 xres_virtual; /* virtual resolution */
__u32 yres_virtual;
__u32 xoffset; /* offset from virtual to visible */
__u32 yoffset; /* resolution */
__u32 bits_per_pixel; /* guess what */
__u32 grayscale; /* != 0 Graylevels instead of colors */
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 */
__u32 nonstd; /* != 0 Non standard pixel format */
__u32 activate; /* see FB_ACTIVATE_* */
__u32 height; /* height of picture in mm */
__u32 width; /* width of picture in mm */
__u32 accel_flags; /* (OBSOLETE) see fb_info.flags */
/* Timing: All values in pixclocks, except pixclock (of course) */
__u32 pixclock; /* pixel clock in ps (pico seconds) */
__u32 left_margin; /* time from sync to picture */
__u32 right_margin; /* time from picture to sync */
__u32 upper_margin; /* time from sync to picture */
__u32 lower_margin;
__u32 hsync_len; /* length of horizontal sync */
__u32 vsync_len; /* length of vertical sync */
__u32 sync; /* see FB_SYNC_* */
__u32 vmode; /* see FB_VMODE_* */
__u32 rotate; /* angle we rotate counter clockwise */
__u32 reserved[5]; /* Reserved for future compatibility */
};
struct fb_cmap {
__u32 start; /* First entry */
__u32 len; /* Number of entries */
__u16 *red; /* Red values */
__u16 *green;
__u16 *blue;
__u16 *transp; /* transparency, can be NULL */
};
struct fb_con2fbmap {
__u32 console;
__u32 framebuffer;
};
/* VESA Blanking Levels */
#define VESA_NO_BLANKING 0
#define VESA_VSYNC_SUSPEND 1
#define VESA_HSYNC_SUSPEND 2
#define VESA_POWERDOWN 3
enum {
/* screen: unblanked, hsync: on, vsync: on */
FB_BLANK_UNBLANK = VESA_NO_BLANKING,
/* screen: blanked, hsync: on, vsync: on */
FB_BLANK_NORMAL = VESA_NO_BLANKING + 1,
/* screen: blanked, hsync: on, vsync: off */
FB_BLANK_VSYNC_SUSPEND = VESA_VSYNC_SUSPEND + 1,
/* screen: blanked, hsync: off, vsync: on */
FB_BLANK_HSYNC_SUSPEND = VESA_HSYNC_SUSPEND + 1,
/* screen: blanked, hsync: off, vsync: off */
FB_BLANK_POWERDOWN = VESA_POWERDOWN + 1
};
#define FB_VBLANK_VBLANKING 0x001 /* currently in a vertical blank */
#define FB_VBLANK_HBLANKING 0x002 /* currently in a horizontal blank */
#define FB_VBLANK_HAVE_VBLANK 0x004 /* vertical blanks can be detected */
#define FB_VBLANK_HAVE_HBLANK 0x008 /* horizontal blanks can be detected */
#define FB_VBLANK_HAVE_COUNT 0x010 /* global retrace counter is available */
#define FB_VBLANK_HAVE_VCOUNT 0x020 /* the vcount field is valid */
#define FB_VBLANK_HAVE_HCOUNT 0x040 /* the hcount field is valid */
#define FB_VBLANK_VSYNCING 0x080 /* currently in a vsync */
#define FB_VBLANK_HAVE_VSYNC 0x100 /* verical syncs can be detected */
struct fb_vblank {
__u32 flags; /* FB_VBLANK flags */
__u32 count; /* counter of retraces since boot */
__u32 vcount; /* current scanline position */
__u32 hcount; /* current scandot position */
__u32 reserved[4]; /* reserved for future compatibility */
};
/* Internal HW accel */
#define ROP_COPY 0
#define ROP_XOR 1
struct fb_copyarea {
__u32 dx;
__u32 dy;
__u32 width;
__u32 height;
__u32 sx;
__u32 sy;
};
struct fb_fillrect {
__u32 dx; /* screen-relative */
__u32 dy;
__u32 width;
__u32 height;
__u32 color;
__u32 rop;
};
struct fb_image {
__u32 dx; /* Where to place image */
__u32 dy;
__u32 width; /* Size of image */
__u32 height;
__u32 fg_color; /* Only used when a mono bitmap */
__u32 bg_color;
__u8 depth; /* Depth of the image */
const char *data; /* Pointer to image data */
struct fb_cmap cmap; /* color map info */
};
/*
* hardware cursor control
*/
#define FB_CUR_SETIMAGE 0x01
#define FB_CUR_SETPOS 0x02
#define FB_CUR_SETHOT 0x04
#define FB_CUR_SETCMAP 0x08
#define FB_CUR_SETSHAPE 0x10
#define FB_CUR_SETSIZE 0x20
#define FB_CUR_SETALL 0xFF
struct fbcurpos {
__u16 x, y;
};
struct fb_cursor {
__u16 set; /* what to set */
__u16 enable; /* cursor on/off */
__u16 rop; /* bitop operation */
const char *mask; /* cursor mask bits */
struct fbcurpos hot; /* cursor hot spot */
struct fb_image image; /* Cursor image */
};
#ifdef CONFIG_FB_BACKLIGHT
/* Settings for the generic backlight code */
#define FB_BACKLIGHT_LEVELS 128
#define FB_BACKLIGHT_MAX 0xFF
#endif
#ifdef __KERNEL__
struct vm_area_struct;
struct fb_info;
struct device;
struct file;
/* Definitions below are used in the parsed monitor specs */
#define FB_DPMS_ACTIVE_OFF 1
#define FB_DPMS_SUSPEND 2
#define FB_DPMS_STANDBY 4
#define FB_DISP_DDI 1
#define FB_DISP_ANA_700_300 2
#define FB_DISP_ANA_714_286 4
#define FB_DISP_ANA_1000_400 8
#define FB_DISP_ANA_700_000 16
#define FB_DISP_MONO 32
#define FB_DISP_RGB 64
#define FB_DISP_MULTI 128
#define FB_DISP_UNKNOWN 256
#define FB_SIGNAL_NONE 0
#define FB_SIGNAL_BLANK_BLANK 1
#define FB_SIGNAL_SEPARATE 2
#define FB_SIGNAL_COMPOSITE 4
#define FB_SIGNAL_SYNC_ON_GREEN 8
#define FB_SIGNAL_SERRATION_ON 16
#define FB_MISC_PRIM_COLOR 1
#define FB_MISC_1ST_DETAIL 2 /* First Detailed Timing is preferred */
struct fb_chroma {
__u32 redx; /* in fraction of 1024 */
__u32 greenx;
__u32 bluex;
__u32 whitex;
__u32 redy;
__u32 greeny;
__u32 bluey;
__u32 whitey;
};
struct fb_monspecs {
struct fb_chroma chroma;
struct fb_videomode *modedb; /* mode database */
__u8 manufacturer[4]; /* Manufacturer */
__u8 monitor[14]; /* Monitor String */
__u8 serial_no[14]; /* Serial Number */
__u8 ascii[14]; /* ? */
__u32 modedb_len; /* mode database length */
__u32 model; /* Monitor Model */
__u32 serial; /* Serial Number - Integer */
__u32 year; /* Year manufactured */
__u32 week; /* Week Manufactured */
__u32 hfmin; /* hfreq lower limit (Hz) */
__u32 hfmax; /* hfreq upper limit (Hz) */
__u32 dclkmin; /* pixelclock lower limit (Hz) */
__u32 dclkmax; /* pixelclock upper limit (Hz) */
__u16 input; /* display type - see FB_DISP_* */
__u16 dpms; /* DPMS support - see FB_DPMS_ */
__u16 signal; /* Signal Type - see FB_SIGNAL_* */
__u16 vfmin; /* vfreq lower limit (Hz) */
__u16 vfmax; /* vfreq upper limit (Hz) */
__u16 gamma; /* Gamma - in fractions of 100 */
__u16 gtf : 1; /* supports GTF */
__u16 misc; /* Misc flags - see FB_MISC_* */
__u8 version; /* EDID version... */
__u8 revision; /* ...and revision */
__u8 max_x; /* Maximum horizontal size (cm) */
__u8 max_y; /* Maximum vertical size (cm) */
};
struct fb_cmap_user {
__u32 start; /* First entry */
__u32 len; /* Number of entries */
__u16 *red; /* Red values */
__u16 *green;
__u16 *blue;
__u16 *transp; /* transparency, can be NULL */
};
struct fb_image_user {
__u32 dx; /* Where to place image */
__u32 dy;
__u32 width; /* Size of image */
__u32 height;
__u32 fg_color; /* Only used when a mono bitmap */
__u32 bg_color;
__u8 depth; /* Depth of the image */
const char *data; /* Pointer to image data */
struct fb_cmap_user cmap; /* color map info */
};
struct fb_cursor_user {
__u16 set; /* what to set */
__u16 enable; /* cursor on/off */
__u16 rop; /* bitop operation */
const char *mask; /* cursor mask bits */
struct fbcurpos hot; /* cursor hot spot */
struct fb_image_user image; /* Cursor image */
};
/*
* Register/unregister for framebuffer events
*/
/* The resolution of the passed in fb_info about to change */
#define FB_EVENT_MODE_CHANGE 0x01
/* The display on this fb_info is beeing suspended, no access to the
* framebuffer is allowed any more after that call returns
*/
#define FB_EVENT_SUSPEND 0x02
/* The display on this fb_info was resumed, you can restore the display
* if you own it
*/
#define FB_EVENT_RESUME 0x03
/* An entry from the modelist was removed */
#define FB_EVENT_MODE_DELETE 0x04
/* A driver registered itself */
#define FB_EVENT_FB_REGISTERED 0x05
/* A driver unregistered itself */
#define FB_EVENT_FB_UNREGISTERED 0x06
/* CONSOLE-SPECIFIC: get console to framebuffer mapping */
#define FB_EVENT_GET_CONSOLE_MAP 0x07
/* CONSOLE-SPECIFIC: set console to framebuffer mapping */
#define FB_EVENT_SET_CONSOLE_MAP 0x08
/* A hardware display blank change occurred */
#define FB_EVENT_BLANK 0x09
/* Private modelist is to be replaced */
#define FB_EVENT_NEW_MODELIST 0x0A
/* The resolution of the passed in fb_info about to change and
all vc's should be changed */
#define FB_EVENT_MODE_CHANGE_ALL 0x0B
/* A software display blank change occurred */
#define FB_EVENT_CONBLANK 0x0C
/* Get drawing requirements */
#define FB_EVENT_GET_REQ 0x0D
/* Unbind from the console if possible */
#define FB_EVENT_FB_UNBIND 0x0E
struct fb_event {
struct fb_info *info;
void *data;
};
struct fb_blit_caps {
u32 x;
u32 y;
u32 len;
u32 flags;
};
/*
* Pixmap structure definition
*
* The purpose of this structure is to translate data
* from the hardware independent format of fbdev to what
* format the hardware needs.
*/
#define FB_PIXMAP_DEFAULT 1 /* used internally by fbcon */
#define FB_PIXMAP_SYSTEM 2 /* memory is in system RAM */
#define FB_PIXMAP_IO 4 /* memory is iomapped */
#define FB_PIXMAP_SYNC 256 /* set if GPU can DMA */
struct fb_pixmap {
u8 *addr; /* pointer to memory */
u32 size; /* size of buffer in bytes */
u32 offset; /* current offset to buffer */
u32 buf_align; /* byte alignment of each bitmap */
u32 scan_align; /* alignment per scanline */
u32 access_align; /* alignment per read/write (bits) */
u32 flags; /* see FB_PIXMAP_* */
u32 blit_x; /* supported bit block dimensions (1-32)*/
u32 blit_y; /* Format: blit_x = 1 << (width - 1) */
/* blit_y = 1 << (height - 1) */
/* if 0, will be set to 0xffffffff (all)*/
/* access methods */
void (*writeio)(struct fb_info *info, void *dst, void *src, unsigned int size);
void (*readio) (struct fb_info *info, void *dst, void *src, unsigned int size);
};
#ifdef CONFIG_FB_DEFERRED_IO
struct fb_deferred_io {
/* delay between mkwrite and deferred handler */
unsigned long delay;
struct mutex lock; /* mutex that protects the page list */
struct list_head pagelist; /* list of touched pages */
/* callback */
void (*deferred_io)(struct fb_info *info, struct list_head *pagelist);
};
#endif
/* FBINFO_* = fb_info.flags bit flags */
#define FBINFO_MODULE 0x0001 /* Low-level driver is a module */
#define FBINFO_HWACCEL_DISABLED 0x0002
/* When FBINFO_HWACCEL_DISABLED is set:
* Hardware acceleration is turned off. Software implementations
* of required functions (copyarea(), fillrect(), and imageblit())
* takes over; acceleration engine should be in a quiescent state */
/* hints */
#define FBINFO_PARTIAL_PAN_OK 0x0040 /* otw use pan only for double-buffering */
#define FBINFO_READS_FAST 0x0080 /* soft-copy faster than rendering */
/*
* A driver may set this flag to indicate that it does want a set_par to be
* called every time when fbcon_switch is executed. The advantage is that with
* this flag set you can really be sure that set_par is always called before
* any of the functions dependant on the correct hardware state or altering
* that state, even if you are using some broken X releases. The disadvantage
* is that it introduces unwanted delays to every console switch if set_par
* is slow. It is a good idea to try this flag in the drivers initialization
* code whenever there is a bug report related to switching between X and the
* framebuffer console.
*/
#define FBINFO_MISC_ALWAYS_SETPAR 0x40000
/*
* Host and GPU endianness differ.
*/
#define FBINFO_FOREIGN_ENDIAN 0x100000
/*
* Big endian math. This is the same flags as above, but with different
* meaning, it is set by the fb subsystem depending FOREIGN_ENDIAN flag
* and host endianness. Drivers should not use this flag.
*/
#define FBINFO_BE_MATH 0x100000
struct fb_info {
int node;
int flags;
struct fb_var_screeninfo var; /* Current var */
struct fb_fix_screeninfo fix; /* Current fix */
struct fb_monspecs monspecs; /* Current Monitor specs */
struct fb_pixmap pixmap; /* Image hardware mapper */
struct fb_pixmap sprite; /* Cursor hardware mapper */
struct fb_cmap cmap; /* Current cmap */
struct list_head modelist; /* mode list */
struct fb_videomode *mode; /* current mode */
char *screen_base; /* Virtual address */
unsigned long screen_size; /* Amount of ioremapped VRAM or 0 */
void *pseudo_palette; /* Fake palette of 16 colors */
#define FBINFO_STATE_RUNNING 0
#define FBINFO_STATE_SUSPENDED 1
u32 state; /* Hardware state i.e suspend */
void *fbcon_par; /* fbcon use-only private area */
/* From here on everything is device dependent */
void *par;
};
#define FBINFO_DEFAULT 0
#define FBINFO_FLAG_MODULE FBINFO_MODULE
#define FBINFO_FLAG_DEFAULT FBINFO_DEFAULT
/* This will go away */
#if defined(__sparc__)
/* We map all of our framebuffers such that big-endian accesses
* are what we want, so the following is sufficient.
*/
/* This will go away */
#define fb_readb sbus_readb
#define fb_readw sbus_readw
#define fb_readl sbus_readl
#define fb_readq sbus_readq
#define fb_writeb sbus_writeb
#define fb_writew sbus_writew
#define fb_writel sbus_writel
#define fb_writeq sbus_writeq
#define fb_memset sbus_memset_io
#elif defined(__i386__) || defined(__alpha__) || defined(__x86_64__) || defined(__hppa__) || defined(__sh__) || defined(__powerpc__) || defined(__bfin__)
#define fb_readb __raw_readb
#define fb_readw __raw_readw
#define fb_readl __raw_readl
#define fb_readq __raw_readq
#define fb_writeb __raw_writeb
#define fb_writew __raw_writew
#define fb_writel __raw_writel
#define fb_writeq __raw_writeq
#define fb_memset memset_io
#else
#define fb_readb(addr) (*(volatile u8 *) (addr))
#define fb_readw(addr) (*(volatile u16 *) (addr))
#define fb_readl(addr) (*(volatile u32 *) (addr))
#define fb_readq(addr) (*(volatile u64 *) (addr))
#define fb_writeb(b,addr) (*(volatile u8 *) (addr) = (b))
#define fb_writew(b,addr) (*(volatile u16 *) (addr) = (b))
#define fb_writel(b,addr) (*(volatile u32 *) (addr) = (b))
#define fb_writeq(b,addr) (*(volatile u64 *) (addr) = (b))
#define fb_memset memset
#endif
#define FB_LEFT_POS(p, bpp) (fb_be_math(p) ? (32 - (bpp)) : 0)
#define FB_SHIFT_HIGH(p, val, bits) (fb_be_math(p) ? (val) >> (bits) : \
(val) << (bits))
#define FB_SHIFT_LOW(p, val, bits) (fb_be_math(p) ? (val) << (bits) : \
(val) >> (bits))
/* drivers/video/fbmon.c */
#define FB_MAXTIMINGS 0
#define FB_VSYNCTIMINGS 1
#define FB_HSYNCTIMINGS 2
#define FB_DCLKTIMINGS 3
#define FB_IGNOREMON 0x100
#define FB_MODE_IS_UNKNOWN 0
#define FB_MODE_IS_DETAILED 1
#define FB_MODE_IS_STANDARD 2
#define FB_MODE_IS_VESA 4
#define FB_MODE_IS_CALCULATED 8
#define FB_MODE_IS_FIRST 16
#define FB_MODE_IS_FROM_VAR 32
/* drivers/video/fbcmap.c */
extern int fb_alloc_cmap(struct fb_cmap *cmap, int len, int transp);
extern void fb_dealloc_cmap(struct fb_cmap *cmap);
extern int fb_copy_cmap(const struct fb_cmap *from, struct fb_cmap *to);
extern int fb_cmap_to_user(const struct fb_cmap *from, struct fb_cmap_user *to);
extern int fb_set_cmap(struct fb_cmap *cmap, struct fb_info *fb_info);
extern int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *fb_info);
extern const struct fb_cmap *fb_default_cmap(int len);
extern void fb_invert_cmaps(void);
struct fb_videomode {
const char *name; /* optional */
u32 refresh; /* optional */
u32 xres;
u32 yres;
u32 pixclock;
u32 left_margin;
u32 right_margin;
u32 upper_margin;
u32 lower_margin;
u32 hsync_len;
u32 vsync_len;
u32 sync;
u32 vmode;
u32 flag;
};
int board_video_skip(void);
#endif /* __KERNEL__ */
#endif /* _LINUX_FB_H */
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