include/linux/fb.h

1 /* SPDX-License-Identifier: GPL-2.0 */
74 	__u32 serial;			/* Serial Number - Integer */
81 	__u16 input;			/* display type - see FB_DISP_* */
82 	__u16 dpms;			/* DPMS support - see FB_DPMS_ */
83 	__u16 signal;			/* Signal Type - see FB_SIGNAL_* */
86 	__u16 gamma;			/* Gamma - in fractions of 100 */
88 	__u16 misc;			/* Misc flags - see FB_MISC_* */
133 /* only used by mach-pxa/am200epd.c */
147 	u32 x;  member
195 	u32 blit_x;             /* supported bit block dimensions (1-32)*/
196 	u32 blit_y;             /* Format: blit_x = 1 << (width - 1)    */
197 	                        /*         blit_y = 1 << (height - 1)   */
233  * it must be done in a lock-free manner, so low level drivers should
256 	/* set the video mode according to info->var */
326 	__u32 sx;                   /* origin in the x-axis */
327 	__u32 sy;                   /* origin in the y-axis */
328 	__u32 width;                /* number of tiles in the x-axis */
329 	__u32 height;               /* number of tiles in the y-axis */
337 	__u32 sx;                   /* source origin in the x-axis */
338 	__u32 sy;                   /* source origin in the y-axis */
339 	__u32 dx;                   /* destination origin in the x-axis */
340 	__u32 dy;                   /* destination origin in the y-axis */
341 	__u32 width;                /* number of tiles in the x-axis */
342 	__u32 height;               /* number of tiles in the y-axis */
346 	__u32 sx;                   /* origin in the x-axis */
347 	__u32 sy;                   /* origin in the y-axis */
348 	__u32 width;                /* number of tiles in the x-axis */
349 	__u32 height;               /* number of tiles in the y-axis */
357 	__u32 sx;                   /* cursor position in the x-axis */
358 	__u32 sy;                   /* cursor position in the y-axis */
394 #define FBINFO_PARTIAL_PAN_OK	0x0040 /* otw use pan only for double-buffering */
395 #define FBINFO_READS_FAST	0x0080 /* soft-copy faster than rendering */
418  * that state, even if you are using some broken X releases. The disadvantage
421  * code whenever there is a bug report related to switching between X and the
439  * back. Instead dma-buf based buffer sharing should be used.
449 	 * -1 by default, set to a FB_ROTATE_* value by the driver, if it knows
499 	void *fbcon_par;                /* fbcon use-only private area */
514 #define FB_LEFT_POS(p, bpp)          (fb_be_math(p) ? (32 - (bpp)) : 0)
580  * Helpers for framebuffers in DMA-able memory
607 	mutex_lock(&info->lock);  in lock_fb_info()
612 	mutex_unlock(&info->lock);  in unlock_fb_info()
620 	d_pitch -= s_pitch;  in __fb_pad_aligned_buffer()
622 	for (i = height; i--; ) {  in __fb_pad_aligned_buffer()
666 		__damage_area(info, rect->dx, rect->dy, rect->width, rect->height); \
672 		__damage_area(info, area->dx, area->dy, area->width, area->height); \
678 		__damage_area(info, image->dx, image->dy, image->width, image->height); \
714 	return info->flags & FBINFO_BE_MATH;  in fb_be_math()
857 	pr_err("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
859 	pr_notice("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
861 	pr_warn("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
863 	pr_info("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
865 	pr_debug("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
868 	pr_warn_once("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
871 	WARN_ONCE(condition, "fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
872 #define fb_WARN_ON_ONCE(fb_info, x) \  argument
873 	fb_WARN_ONCE(fb_info, (x), "%s", "fb_WARN_ON_ONCE(" __stringify(x) ")")