4bab6e79b0
Change-Id: I6ea9b9d2353c0d767c837e6d629b45f23b306f6e Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-on: https://review.coreboot.org/14599 Tested-by: build bot (Jenkins) Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com> Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2008-2009 coresystems GmbH
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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 <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 <drivers/intel/gma/i915.h>
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#include "chip.h"
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static void gma_func0_init(struct device *dev)
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{
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u32 reg32;
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/* IGD needs to be bus master. */
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reg32 = pci_read_config32(dev, PCI_COMMAND);
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pci_write_config32(dev, PCI_COMMAND, reg32 | PCI_COMMAND_MASTER);
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pci_dev_init(dev);
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}
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static void gma_set_subsystem(device_t dev, unsigned vendor, unsigned device)
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{
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if (!vendor || !device) {
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pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
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pci_read_config32(dev, PCI_VENDOR_ID));
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} else {
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pci_write_config32(dev, PCI_SUBSYSTEM_VENDOR_ID,
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((device & 0xffff) << 16) | (vendor & 0xffff));
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}
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}
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const struct i915_gpu_controller_info *
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intel_gma_get_controller_info(void)
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{
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device_t dev = dev_find_slot(0, PCI_DEVFN(0x2,0));
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if (!dev) {
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return NULL;
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}
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struct soc_intel_sch_config *chip = dev->chip_info;
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return &chip->gfx;
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}
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static void gma_ssdt(device_t device)
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{
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const struct i915_gpu_controller_info *gfx = intel_gma_get_controller_info();
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if (!gfx) {
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return;
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}
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drivers_intel_gma_displays_ssdt_generate(gfx);
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}
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static struct pci_operations gma_pci_ops = {
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.set_subsystem = gma_set_subsystem,
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};
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static struct device_operations gma_func0_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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.acpi_fill_ssdt_generator = gma_ssdt,
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.init = gma_func0_init,
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.scan_bus = 0,
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.enable = 0,
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.ops_pci = &gma_pci_ops,
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};
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static const struct pci_driver sch_gma_func0_driver __pci_driver = {
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.ops = &gma_func0_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.device = 0x8108,
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};
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