Lines Matching +full:assigned +full:- +full:resolution +full:- +full:bits
1 // SPDX-License-Identifier: GPL-2.0
5 * (c) 2006 Edgar Hucek <gimli@dark-green.com>
6 * Original efi driver written by Gerd Knorr <kraxel@goldbach.in-berlin.de>
13 #include <linux/efi-bgrt.h>
61 .height = -1,
62 .width = -1,
88 if (regno >= info->cmap.len) in efifb_setcolreg()
92 red >>= 16 - info->var.red.length; in efifb_setcolreg()
93 green >>= 16 - info->var.green.length; in efifb_setcolreg()
94 blue >>= 16 - info->var.blue.length; in efifb_setcolreg()
95 ((u32 *)(info->pseudo_palette))[regno] = in efifb_setcolreg()
96 (red << info->var.red.offset) | in efifb_setcolreg()
97 (green << info->var.green.offset) | in efifb_setcolreg()
98 (blue << info->var.blue.offset); in efifb_setcolreg()
115 while (width--) { in efifb_copy_bmp()
119 *dst++ = (r << si->red_pos) | in efifb_copy_bmp()
120 (g << si->green_pos) | in efifb_copy_bmp()
121 (b << si->blue_pos); in efifb_copy_bmp()
127 * On x86 some firmwares use a low non native resolution for the display when
129 * for the native resolution. If the bgrt image intended for the native
130 * resolution still fits, it will be displayed very close to the right edge of
139 u32 expected_xoffset = (si->lfb_width - bmp_width) / 2; in efifb_bgrt_sanity_check()
157 u8 *dst = info->screen_base; in efifb_show_boot_graphics()
168 pr_info("efifb: BGRT rotation bits set, not showing boot graphics\n"); in efifb_show_boot_graphics()
178 if (si->lfb_depth != 32) { in efifb_show_boot_graphics()
179 pr_info("efifb: not 32 bits, not showing boot graphics\n"); in efifb_show_boot_graphics()
194 if (file_header->id != 0x4d42 || file_header->reserved != 0) in efifb_show_boot_graphics()
198 if (dib_header->dib_header_size != 40 || dib_header->width < 0 || in efifb_show_boot_graphics()
199 dib_header->planes != 1 || dib_header->bpp != 24 || in efifb_show_boot_graphics()
200 dib_header->compression != 0) in efifb_show_boot_graphics()
203 bmp_width = dib_header->width; in efifb_show_boot_graphics()
204 bmp_height = abs(dib_header->height); in efifb_show_boot_graphics()
207 if ((file_header->bitmap_offset + bmp_pitch * bmp_height) > in efifb_show_boot_graphics()
211 if ((bgrt_tab.image_offset_x + bmp_width) > si->lfb_width || in efifb_show_boot_graphics()
212 (bgrt_tab.image_offset_y + bmp_height) > si->lfb_height) in efifb_show_boot_graphics()
220 for (y = 0; y < si->lfb_height; y++, dst += si->lfb_linelength) { in efifb_show_boot_graphics()
224 memset(dst, 0, 4 * si->lfb_width); in efifb_show_boot_graphics()
228 src_y = y - bgrt_tab.image_offset_y; in efifb_show_boot_graphics()
230 if (dib_header->height > 0) in efifb_show_boot_graphics()
231 src_y = (bmp_height - 1) - src_y; in efifb_show_boot_graphics()
235 efifb_copy_bmp(bgrt_image + file_header->bitmap_offset + in efifb_show_boot_graphics()
239 memset((u32 *)dst + dst_x, 0, (si->lfb_width - dst_x) * 4); in efifb_show_boot_graphics()
259 struct efifb_par *par = info->par; in efifb_destroy()
262 pm_runtime_put(&efifb_pci_dev->dev); in efifb_destroy()
264 if (info->screen_base) { in efifb_destroy()
266 iounmap(info->screen_base); in efifb_destroy()
268 memunmap(info->screen_base); in efifb_destroy()
272 release_mem_region(par->base, par->size); in efifb_destroy()
273 fb_dealloc_cmap(&info->cmap); in efifb_destroy()
369 return -ENODEV; in efifb_probe()
372 return -ENODEV; in efifb_probe()
380 return -ENODEV; in efifb_probe()
388 return -ENODEV; in efifb_probe()
414 bar_resource->start + bar_offset != efifb_fix.smem_start) { in efifb_probe()
415 dev_info(&efifb_pci_dev->dev, in efifb_probe()
417 efifb_fix.smem_start = bar_resource->start + bar_offset; in efifb_probe()
425 /* size_vmode -- that is the amount of memory needed for the in efifb_probe()
430 /* size_total -- all video memory we have. Used for in efifb_probe()
437 /* size_remap -- the amount of video memory we are going to in efifb_probe()
445 size_remap += PAGE_SIZE - (size_remap % PAGE_SIZE); in efifb_probe()
457 info = framebuffer_alloc(sizeof(*par), &dev->dev); in efifb_probe()
459 err = -ENOMEM; in efifb_probe()
463 par = info->par; in efifb_probe()
464 info->pseudo_palette = par->pseudo_palette; in efifb_probe()
466 par->base = efifb_fix.smem_start; in efifb_probe()
467 par->size = size_remap; in efifb_probe()
475 err = -EIO; in efifb_probe()
490 info->screen_base = ioremap_wc(efifb_fix.smem_start, in efifb_probe()
493 info->screen_base = ioremap(efifb_fix.smem_start, in efifb_probe()
496 info->screen_base = memremap(efifb_fix.smem_start, in efifb_probe()
499 info->screen_base = memremap(efifb_fix.smem_start, in efifb_probe()
501 if (!info->screen_base) { in efifb_probe()
504 err = -EIO; in efifb_probe()
553 info->fbops = &efifb_ops; in efifb_probe()
554 info->var = efifb_defined; in efifb_probe()
555 info->fix = efifb_fix; in efifb_probe()
561 info->fbcon_rotate_hint = FB_ROTATE_UR; in efifb_probe()
564 info->fbcon_rotate_hint = FB_ROTATE_UD; in efifb_probe()
567 info->fbcon_rotate_hint = FB_ROTATE_CCW; in efifb_probe()
570 info->fbcon_rotate_hint = FB_ROTATE_CW; in efifb_probe()
574 err = fb_alloc_cmap(&info->cmap, 256, 0); in efifb_probe()
581 WARN_ON(pm_runtime_get_sync(&efifb_pci_dev->dev) < 0); in efifb_probe()
583 err = devm_aperture_acquire_for_platform_device(dev, par->base, par->size); in efifb_probe()
593 fb_info(info, "%s frame buffer device\n", info->fix.id); in efifb_probe()
598 pm_runtime_put(&efifb_pci_dev->dev); in efifb_probe()
600 fb_dealloc_cmap(&info->cmap); in efifb_probe()
603 iounmap(info->screen_base); in efifb_probe()
605 memunmap(info->screen_base); in efifb_probe()
624 .name = "efi-framebuffer",
644 dev_err(&dev->dev, in record_efifb_bar_resource()
645 "BAR %d: assigned to efifb but device is disabled!\n", in record_efifb_bar_resource()
650 bar_resource = &dev->resource[idx]; in record_efifb_bar_resource()
653 dev_info(&dev->dev, "BAR %d: assigned to efifb\n", idx); in record_efifb_bar_resource()
672 struct resource *res = &dev->resource[i]; in efifb_fixup_resources()
674 if (!(res->flags & IORESOURCE_MEM)) in efifb_fixup_resources()
677 if (res->start <= base && res->end >= base + size - 1) { in efifb_fixup_resources()
678 record_efifb_bar_resource(dev, i, base - res->start); in efifb_fixup_resources()