84428f72d0
Instead of always passing LB_FB_ORIENTATION_NORMAL, allow the chipsets implementing the callback to pass in an orientation. BUG=b:194967458 BRANCH=dedede Change-Id: I4aacab9449930a75aca9d68bf30d019f86035405 Signed-off-by: Tim Wawrzynczak <twawrzynczak@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/57647 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Furquan Shaikh <furquan@google.com> Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
102 lines
2.7 KiB
C
102 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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#include <boot/coreboot_tables.h>
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#include <console/console.h>
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#include <fsp/graphics.h>
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#include <fsp/util.h>
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#include <soc/intel/common/vbt.h>
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#include <types.h>
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#include <framebuffer_info.h>
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enum pixel_format {
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pixel_rgbx_8bpc = 0,
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pixel_bgrx_8bpc = 1,
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pixel_bitmask = 2, /* defined by <rgb>_mask values */
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};
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static const uint8_t fsp_graphics_info_guid[16] = {
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0xce, 0x2c, 0xf6, 0x39, 0x25, 0x68, 0x69, 0x46,
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0xbb, 0x56, 0x54, 0x1a, 0xba, 0x75, 0x3a, 0x07
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};
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struct hob_graphics_info {
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uint64_t framebuffer_base;
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uint32_t framebuffer_size;
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uint32_t version;
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uint32_t horizontal_resolution;
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uint32_t vertical_resolution;
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uint32_t pixel_format; /* See enum pixel_format */
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uint32_t red_mask;
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uint32_t green_mask;
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uint32_t blue_mask;
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uint32_t reserved_mask;
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uint32_t pixels_per_scanline;
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} __packed;
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struct pixel {
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uint8_t pos;
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uint8_t size;
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};
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static const struct fsp_framebuffer {
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struct pixel red;
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struct pixel green;
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struct pixel blue;
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struct pixel rsvd;
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} fsp_framebuffer_format_map[] = {
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[pixel_rgbx_8bpc] = { {0, 8}, {8, 8}, {16, 8}, {24, 8} },
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[pixel_bgrx_8bpc] = { {16, 8}, {8, 8}, {0, 8}, {24, 8} },
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};
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void fsp_report_framebuffer_info(const uintptr_t framebuffer_bar,
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enum lb_fb_orientation orientation)
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{
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size_t size;
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const struct hob_graphics_info *ginfo;
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const struct fsp_framebuffer *fbinfo;
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/*
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* Pci enumeration happens after silicon init.
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* After enumeration graphic framebuffer base may be relocated.
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*/
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if (!framebuffer_bar) {
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printk(BIOS_ALERT, "Framebuffer BAR invalid\n");
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return;
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}
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ginfo = fsp_find_extension_hob_by_guid(fsp_graphics_info_guid, &size);
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if (!ginfo) {
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printk(BIOS_ALERT, "Graphics hand-off block not found\n");
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return;
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}
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if (ginfo->pixel_format >= ARRAY_SIZE(fsp_framebuffer_format_map)) {
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printk(BIOS_ALERT, "FSP set unknown framebuffer format: %d\n",
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ginfo->pixel_format);
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return;
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}
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fbinfo = fsp_framebuffer_format_map + ginfo->pixel_format;
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const struct lb_framebuffer fb = {
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.physical_address = framebuffer_bar,
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.x_resolution = ginfo->horizontal_resolution,
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.y_resolution = ginfo->vertical_resolution,
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.bytes_per_line = ginfo->pixels_per_scanline * 4,
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.bits_per_pixel = fbinfo->rsvd.size + fbinfo->red.size +
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fbinfo->green.size + fbinfo->blue.size,
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.red_mask_pos = fbinfo->red.pos,
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.red_mask_size = fbinfo->red.size,
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.green_mask_pos = fbinfo->green.pos,
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.green_mask_size = fbinfo->green.size,
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.blue_mask_pos = fbinfo->blue.pos,
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.blue_mask_size = fbinfo->blue.size,
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.reserved_mask_pos = fbinfo->rsvd.pos,
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.reserved_mask_size = fbinfo->rsvd.size,
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.orientation = orientation,
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};
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fb_add_framebuffer_info_ex(&fb);
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}
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