1 // SPDX-License-Identifier: GPL-2.0-only
8  * (c) 1998 Gerd Knorr <kraxel@goldbach.in-berlin.de>
30 /* --------------------------------------------------------------------- */
40 	.height		= -1,
41 	.width		= -1,
65 /* --------------------------------------------------------------------- */
73 	offset = (var->yoffset * info->fix.line_length + var->xoffset) / 4;  in vesafb_pan_display()
80                   "c" (offset),         /* ECX */  in vesafb_pan_display()
90 	int shift = 16 - depth;  in vesa_setpalette()
91 	int err = -EINVAL;  in vesa_setpalette()
120                   "c" (1),              /* ECX */  in vesa_setpalette()
144 	if (regno >= info->cmap.len)  in vesafb_setcolreg()
147 	if (info->var.bits_per_pixel == 8)  in vesafb_setcolreg()
150 		switch (info->var.bits_per_pixel) {  in vesafb_setcolreg()
152 			if (info->var.red.offset == 10) {  in vesafb_setcolreg()
154 				((u32*) (info->pseudo_palette))[regno] =  in vesafb_setcolreg()
160 				((u32*) (info->pseudo_palette))[regno] =  in vesafb_setcolreg()
171 			((u32 *)(info->pseudo_palette))[regno] =  in vesafb_setcolreg()
172 				(red   << info->var.red.offset)   |  in vesafb_setcolreg()
173 				(green << info->var.green.offset) |  in vesafb_setcolreg()
174 				(blue  << info->var.blue.offset);  in vesafb_setcolreg()
184 	struct vesafb_par *par = info->par;  in vesafb_destroy()
186 	fb_dealloc_cmap(&info->cmap);  in vesafb_destroy()
187 	arch_phys_wc_del(par->wc_cookie);  in vesafb_destroy()
188 	if (info->screen_base)  in vesafb_destroy()
189 		iounmap(info->screen_base);  in vesafb_destroy()
190 	release_mem_region(info->apertures->ranges[0].base, info->apertures->ranges[0].size);  in vesafb_destroy()
252 		return -ENODEV;  in vesafb_probe()
265 	/*   size_vmode -- that is the amount of memory needed for the  in vesafb_probe()
270 	/*   size_total -- all video memory we have. Used for mtrr  in vesafb_probe()
279 	/*   size_remap -- the amount of video memory we are going to  in vesafb_probe()
304 	info = framebuffer_alloc(sizeof(struct vesafb_par), &dev->dev);  in vesafb_probe()
307 		return -ENOMEM;  in vesafb_probe()
310 	par = info->par;  in vesafb_probe()
311 	info->pseudo_palette = par->pseudo_palette;  in vesafb_probe()
314 	info->apertures = alloc_apertures(1);  in vesafb_probe()
315 	if (!info->apertures) {  in vesafb_probe()
316 		err = -ENOMEM;  in vesafb_probe()
319 	info->apertures->ranges[0].base = screen_info.lfb_base;  in vesafb_probe()
320 	info->apertures->ranges[0].size = size_total;  in vesafb_probe()
375 	vesafb_defined.pixclock     = 10000000 / vesafb_defined.xres * 1000 / vesafb_defined.yres;  in vesafb_probe()
415 	par->region = request_region(0x3c0, 32, "vesafb");  in vesafb_probe()
420 		/* Find the largest power-of-two */  in vesafb_probe()
425 			par->wc_cookie =  in vesafb_probe()
429 		} while (temp_size >= PAGE_SIZE && par->wc_cookie < 0);  in vesafb_probe()
431 		info->screen_base = ioremap_wc(vesafb_fix.smem_start, vesafb_fix.smem_len);  in vesafb_probe()
435 		info->screen_base = ioremap(vesafb_fix.smem_start, vesafb_fix.smem_len);  in vesafb_probe()
438 	if (!info->screen_base) {  in vesafb_probe()
442 		err = -EIO;  in vesafb_probe()
448 	       vesafb_fix.smem_start, info->screen_base,  in vesafb_probe()
454 	info->fbops = &vesafb_ops;  in vesafb_probe()
455 	info->var = vesafb_defined;  in vesafb_probe()
456 	info->fix = vesafb_fix;  in vesafb_probe()
457 	info->flags = FBINFO_FLAG_DEFAULT | FBINFO_MISC_FIRMWARE |  in vesafb_probe()
460 	if (fb_alloc_cmap(&info->cmap, 256, 0) < 0) {  in vesafb_probe()
461 		err = -ENOMEM;  in vesafb_probe()
465 		err = -EINVAL;  in vesafb_probe()
466 		fb_dealloc_cmap(&info->cmap);  in vesafb_probe()
469 	fb_info(info, "%s frame buffer device\n", info->fix.id);  in vesafb_probe()
472 	arch_phys_wc_del(par->wc_cookie);  in vesafb_probe()
473 	if (info->screen_base)  in vesafb_probe()
474 		iounmap(info->screen_base);  in vesafb_probe()
475 	if (par->region)  in vesafb_probe()
488 	if (((struct vesafb_par *)(info->par))->region)  in vesafb_remove()
497 		.name = "vesa-framebuffer",