cd49cce7b7
This patch is a raw application of find src/ -type f | xargs sed -i -e 's/IS_ENABLED\s*(CONFIG_/CONFIG(/g' Change-Id: I6262d6d5c23cabe23c242b4f38d446b74fe16b88 Signed-off-by: Julius Werner <jwerner@chromium.org> Reviewed-on: https://review.coreboot.org/c/coreboot/+/31774 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Georgi <pgeorgi@google.com>
168 lines
4.8 KiB
C
168 lines
4.8 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <stdint.h>
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#include <delay.h>
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#include <edid.h>
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#include <stdlib.h>
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#include <string.h>
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#include <arch/io.h>
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#include <boot/coreboot_tables.h>
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#include <console/console.h>
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#include <device/device.h>
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#include <device/pci.h>
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#include <device/pci_ids.h>
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#include <device/pci_ops.h>
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#include <pc80/vga.h>
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#include <pc80/vga_io.h>
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/* VGA init. We use the Bochs VESA VBE extensions */
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#define VBE_DISPI_IOPORT_INDEX 0x01CE
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#define VBE_DISPI_IOPORT_DATA 0x01CF
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#define VBE_DISPI_INDEX_ID 0x0
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#define VBE_DISPI_INDEX_XRES 0x1
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#define VBE_DISPI_INDEX_YRES 0x2
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#define VBE_DISPI_INDEX_BPP 0x3
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#define VBE_DISPI_INDEX_ENABLE 0x4
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#define VBE_DISPI_INDEX_BANK 0x5
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#define VBE_DISPI_INDEX_VIRT_WIDTH 0x6
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#define VBE_DISPI_INDEX_VIRT_HEIGHT 0x7
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#define VBE_DISPI_INDEX_X_OFFSET 0x8
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#define VBE_DISPI_INDEX_Y_OFFSET 0x9
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#define VBE_DISPI_INDEX_VIDEO_MEMORY_64K 0xa
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#define VBE_DISPI_ID0 0xB0C0
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#define VBE_DISPI_ID1 0xB0C1
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#define VBE_DISPI_ID2 0xB0C2
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#define VBE_DISPI_ID4 0xB0C4
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#define VBE_DISPI_ID5 0xB0C5
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#define VBE_DISPI_DISABLED 0x00
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#define VBE_DISPI_ENABLED 0x01
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#define VBE_DISPI_LFB_ENABLED 0x40
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#define VBE_DISPI_NOCLEARMEM 0x80
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static int width = CONFIG_DRIVERS_EMULATION_QEMU_BOCHS_XRES;
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static int height = CONFIG_DRIVERS_EMULATION_QEMU_BOCHS_YRES;
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static void bochs_write(int index, int val)
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{
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outw(index, VBE_DISPI_IOPORT_INDEX);
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outw(val, VBE_DISPI_IOPORT_DATA);
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}
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static int bochs_read(int index)
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{
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outw(index, VBE_DISPI_IOPORT_INDEX);
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return inw(VBE_DISPI_IOPORT_DATA);
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}
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static void bochs_init_linear_fb(struct device *dev)
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{
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struct edid edid;
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int id, mem, bar;
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u32 addr;
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/* bochs dispi detection */
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id = bochs_read(VBE_DISPI_INDEX_ID);
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if ((id & 0xfff0) != VBE_DISPI_ID0) {
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printk(BIOS_DEBUG, "QEMU VGA: bochs dispi: ID mismatch.\n");
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return;
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}
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mem = bochs_read(VBE_DISPI_INDEX_VIDEO_MEMORY_64K) * 64 * 1024;
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/* find lfb pci bar */
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addr = pci_read_config32(dev, PCI_BASE_ADDRESS_0);
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if ((addr & PCI_BASE_ADDRESS_SPACE) == PCI_BASE_ADDRESS_SPACE_MEMORY) {
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/* qemu -vga {std,qxl} */
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bar = 0;
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} else {
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/* qemu -vga vmware */
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addr = pci_read_config32(dev, PCI_BASE_ADDRESS_1);
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bar = 1;
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}
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addr &= ~PCI_BASE_ADDRESS_MEM_ATTR_MASK;
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if (!addr)
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return;
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printk(BIOS_DEBUG, "QEMU VGA: bochs dispi interface found, "
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"%d MiB video memory\n", mem / (1024 * 1024));
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printk(BIOS_DEBUG, "QEMU VGA: framebuffer @ %x (pci bar %d)\n",
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addr, bar);
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/* setup video mode */
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bochs_write(VBE_DISPI_INDEX_ENABLE, 0);
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bochs_write(VBE_DISPI_INDEX_BANK, 0);
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bochs_write(VBE_DISPI_INDEX_BPP, 32);
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bochs_write(VBE_DISPI_INDEX_XRES, width);
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bochs_write(VBE_DISPI_INDEX_YRES, height);
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bochs_write(VBE_DISPI_INDEX_VIRT_WIDTH, width);
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bochs_write(VBE_DISPI_INDEX_VIRT_HEIGHT, height);
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bochs_write(VBE_DISPI_INDEX_X_OFFSET, 0);
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bochs_write(VBE_DISPI_INDEX_Y_OFFSET, 0);
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bochs_write(VBE_DISPI_INDEX_ENABLE,
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VBE_DISPI_ENABLED | VBE_DISPI_LFB_ENABLED);
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outb(0x20, 0x3c0); /* disable blanking */
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/* setup coreboot framebuffer */
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edid.mode.ha = width;
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edid.mode.va = height;
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edid.panel_bits_per_color = 8;
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edid.panel_bits_per_pixel = 24;
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edid_set_framebuffer_bits_per_pixel(&edid, 32, 0);
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set_vbe_mode_info_valid(&edid, addr);
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}
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static void bochs_init_text_mode(struct device *dev)
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{
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vga_misc_write(0x1);
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vga_textmode_init();
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}
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static void bochs_init(struct device *dev)
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{
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if (CONFIG(LINEAR_FRAMEBUFFER))
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bochs_init_linear_fb(dev);
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else if (CONFIG(VGA_TEXT_FRAMEBUFFER))
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bochs_init_text_mode(dev);
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}
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static struct device_operations qemu_graph_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = pci_dev_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = bochs_init,
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.scan_bus = 0,
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};
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static const struct pci_driver qemu_stdvga_driver __pci_driver = {
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.ops = &qemu_graph_ops,
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.vendor = 0x1234,
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.device = 0x1111,
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};
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static const struct pci_driver qemu_vmware_driver __pci_driver = {
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.ops = &qemu_graph_ops,
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.vendor = 0x15ad,
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.device = 0x0405,
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};
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static const struct pci_driver qemu_qxl_driver __pci_driver = {
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.ops = &qemu_graph_ops,
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.vendor = 0x1b36,
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.device = 0x0100,
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};
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