include/linux/fb.h

1 /* SPDX-License-Identifier: GPL-2.0 */
76 	__u32 serial;			/* Serial Number - Integer */
83 	__u16 input;			/* display type - see FB_DISP_* */
84 	__u16 dpms;			/* DPMS support - see FB_DPMS_ */
85 	__u16 signal;			/* Signal Type - see FB_SIGNAL_* */
88 	__u16 gamma;			/* Gamma - in fractions of 100 */
90 	__u16 misc;			/* Misc flags - see FB_MISC_* */
122 	const char __user *mask;	/* cursor mask bits */
131 /*	The resolution of the passed in fb_info about to change */
135 /* only used by mach-pxa/am200epd.c */
199 	u32 access_align;	/* alignment per read/write (bits)	*/
202 				/* Format: test_bit(width - 1, blit_x)	*/
203 				/*	   test_bit(height - 1, blit_y)	*/
242  * it must be done in a lock-free manner, so low level drivers should
265 	/* set the video mode according to info->var */
335 	__u32 sx;                   /* origin in the x-axis */
336 	__u32 sy;                   /* origin in the y-axis */
337 	__u32 width;                /* number of tiles in the x-axis */
338 	__u32 height;               /* number of tiles in the y-axis */
346 	__u32 sx;                   /* source origin in the x-axis */
347 	__u32 sy;                   /* source origin in the y-axis */
348 	__u32 dx;                   /* destination origin in the x-axis */
349 	__u32 dy;                   /* destination origin in the y-axis */
350 	__u32 width;                /* number of tiles in the x-axis */
351 	__u32 height;               /* number of tiles in the y-axis */
355 	__u32 sx;                   /* origin in the x-axis */
356 	__u32 sy;                   /* origin in the y-axis */
357 	__u32 width;                /* number of tiles in the x-axis */
358 	__u32 height;               /* number of tiles in the y-axis */
366 	__u32 sx;                   /* cursor position in the x-axis */
367 	__u32 sy;                   /* cursor position in the y-axis */
403 #define FBINFO_PARTIAL_PAN_OK	0x0040 /* otw use pan only for double-buffering */
404 #define FBINFO_READS_FAST	0x0080 /* soft-copy faster than rendering */
448  * back. Instead dma-buf based buffer sharing should be used.
458 	 * -1 by default, set to a FB_ROTATE_* value by the driver, if it knows
474 	/* assigned backlight device */
508 	void *fbcon_par;                /* fbcon use-only private area */
524 #define FB_LEFT_POS(p, bpp)          (fb_be_math(p) ? (32 - (bpp)) : 0)
525 #define FB_SHIFT_HIGH(p, val, bits)  (fb_be_math(p) ? (val) >> (bits) : \  argument
526 						      (val) << (bits))
527 #define FB_SHIFT_LOW(p, val, bits)   (fb_be_math(p) ? (val) << (bits) : \  argument
528 						      (val) >> (bits))
590  * Helpers for framebuffers in DMA-able memory
618 	mutex_lock(&info->lock);  in lock_fb_info()
623 	mutex_unlock(&info->lock);  in unlock_fb_info()
631 	d_pitch -= s_pitch;  in __fb_pad_aligned_buffer()
633 	for (i = height; i--; ) {  in __fb_pad_aligned_buffer()
677 		__damage_area(info, rect->dx, rect->dy, rect->width, rect->height); \
683 		__damage_area(info, area->dx, area->dy, area->width, area->height); \
689 		__damage_area(info, image->dx, image->dy, image->width, image->height); \
729 	return info->flags & FBINFO_BE_MATH;  in fb_be_math()
874 	pr_err("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
876 	pr_notice("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
878 	pr_warn("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
880 	pr_info("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
882 	pr_debug("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
885 	pr_warn_once("fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)
888 	WARN_ONCE(condition, "fb%d: " fmt, (fb_info)->node, ##__VA_ARGS__)