1 // SPDX-License-Identifier: GPL-2.0+
20  * struct efi_gop_obj - graphical output protocol object
48 	*size_of_info = sizeof(gopobj->info);  in gop_query_mode()
49 	*info = &gopobj->info;  in gop_query_mode()
80 	return (u16)(blt->red   >> 3) << 11 |  in efi_blt_col_to_vid16()
81 	       (u16)(blt->green >> 2) <<  5 |  in efi_blt_col_to_vid16()
82 	       (u16)(blt->blue  >> 3);  in efi_blt_col_to_vid16()
90 						efi_uintn_t width,  in gop_blt_int()  argument
97 	u32 *fb32 = gopobj->fb;  in gop_blt_int()
98 	u16 *fb16 = gopobj->fb;  in gop_blt_int()
107 		linelen = width;  in gop_blt_int()
115 		if (sx + width > linelen)  in gop_blt_int()
120 		if (sx + width > gopobj->info.width ||  in gop_blt_int()
121 		    sy + height > gopobj->info.height)  in gop_blt_int()
133 		if (dx + width > gopobj->info.width ||  in gop_blt_int()
134 		    dy + height > gopobj->info.height)  in gop_blt_int()
138 		if (dx + width > linelen)  in gop_blt_int()
143 	/* Calculate line width */  in gop_blt_int()
150 		swidth = gopobj->info.width;  in gop_blt_int()
163 		dwidth = gopobj->info.width;  in gop_blt_int()
175 		for (j = 0; j < width; j++) {  in gop_blt_int()
225 	switch (gopobj->bpix) {  in gop_get_bpp()
247  * our 2-dimensional loop gets executed very quickly, otherwise the system
258 				       efi_uintn_t dy, efi_uintn_t width,  in gop_blt_video_fill()  argument
263 			   dy, width, height, delta, vid_bpp);  in gop_blt_video_fill()
270 					 efi_uintn_t dy, efi_uintn_t width,  in gop_blt_buf_to_vid16()  argument
274 			   dy, width, height, delta, 16);  in gop_blt_buf_to_vid16()
281 					 efi_uintn_t dy, efi_uintn_t width,  in gop_blt_buf_to_vid32()  argument
285 			   dy, width, height, delta, 32);  in gop_blt_buf_to_vid32()
292 				       efi_uintn_t dy, efi_uintn_t width,  in gop_blt_vid_to_vid()  argument
297 			   dy, width, height, delta, vid_bpp);  in gop_blt_vid_to_vid()
304 				       efi_uintn_t dy, efi_uintn_t width,  in gop_blt_vid_to_buf()  argument
309 			   dx, dy, width, height, delta, vid_bpp);  in gop_blt_vid_to_buf()
321  * @sx:		source x-coordinate
322  * @sy:		source y-coordinate
323  * @dx:		destination x-coordinate
324  * @dy:		destination y-coordinate
325  * @width:	width of rectangle
333 			    efi_uintn_t dy, efi_uintn_t width,  in gop_blt()  argument
340 		  buffer, operation, sx, sy, dx, dy, width, height, delta);  in gop_blt()
348 					 dy, width, height, delta, vid_bpp);  in gop_blt()
351 		/* This needs to be super-fast, so duplicate for 16/32bpp */  in gop_blt()
354 						   sy, dx, dy, width, height,  in gop_blt()
358 						   sy, dx, dy, width, height,  in gop_blt()
363 					 dy, width, height, delta, vid_bpp);  in gop_blt()
367 					 dy, width, height, delta, vid_bpp);  in gop_blt()
388  * If no supported video device exists this is not considered as an
403 	/* We only support a single video output device for now */  in efi_gop_register()
405 		debug("WARNING: No video device\n");  in efi_gop_register()
410 	bpix = priv->bpix;  in efi_gop_register()
413 	fb_base = (uintptr_t)priv->fb;  in efi_gop_register()
414 	fb_size = priv->fb_size;  in efi_gop_register()
415 	fb = priv->fb;  in efi_gop_register()
422 	fb_base = gd->fb_base;  in efi_gop_register()
424 	fb = (void*)gd->fb_base;  in efi_gop_register()
448 	/* Hook up to the device list */  in efi_gop_register()
449 	efi_add_handle(&gopobj->header);  in efi_gop_register()
452 	ret = efi_add_protocol(&gopobj->header, &efi_gop_guid,  in efi_gop_register()
453 			       &gopobj->ops);  in efi_gop_register()
458 	gopobj->ops.query_mode = gop_query_mode;  in efi_gop_register()
459 	gopobj->ops.set_mode = gop_set_mode;  in efi_gop_register()
460 	gopobj->ops.blt = gop_blt;  in efi_gop_register()
461 	gopobj->ops.mode = &gopobj->mode;  in efi_gop_register()
463 	gopobj->mode.max_mode = 1;  in efi_gop_register()
464 	gopobj->mode.info = &gopobj->info;  in efi_gop_register()
465 	gopobj->mode.info_size = sizeof(gopobj->info);  in efi_gop_register()
477 		gopobj->mode.fb_base = fb_base;  in efi_gop_register()
478 		gopobj->mode.fb_size = fb_size;  in efi_gop_register()
481 	gopobj->info.version = 0;  in efi_gop_register()
482 	gopobj->info.width = col;  in efi_gop_register()
483 	gopobj->info.height = row;  in efi_gop_register()
484 	gopobj->info.pixel_format = EFI_GOT_BGRA8;  in efi_gop_register()
485 	gopobj->info.pixels_per_scanline = col;  in efi_gop_register()
487 	gopobj->bpix = bpix;  in efi_gop_register()
488 	gopobj->fb = fb;  in efi_gop_register()