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/* SPDX-License-Identifier: GPL-2.0-only */
#include <console/console.h>
#include <device/device.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <device/pci_ops.h>
#include <commonlib/helpers.h>
#include <drivers/intel/gma/intel_bios.h>
#include <drivers/intel/gma/edid.h>
#include <drivers/intel/gma/i915.h>
#include <drivers/intel/gma/opregion.h>
#include <drivers/intel/gma/libgfxinit.h>
#include <pc80/vga.h>
#include "chip.h"
#include "drivers/intel/gma/i915_reg.h"
#include "x4x.h"
#define BASE_FREQUENCY 96000
static void gma_func0_init(struct device *dev)
{
intel_gma_init_igd_opregion();
if (!CONFIG(NO_GFX_INIT))
pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER);
/* configure GMBUSFREQ */
pci_update_config16(dev, 0xcc, ~0x1ff, 0xbc);
int vga_disable = (pci_read_config16(dev, D0F0_GGC) & 2) >> 1;
if (CONFIG(MAINBOARD_USE_LIBGFXINIT)) {
if (vga_disable) {
printk(BIOS_INFO,
"IGD is not decoding legacy VGA MEM and IO: skipping NATIVE graphic init\n");
} else {
int lightup_ok;
gma_gfxinit(&lightup_ok);
}
} else {
pci_dev_init(dev);
}
}
static void gma_func0_disable(struct device *dev)
{
struct device *dev_host = pcidev_on_root(0, 0);
/* VGA cycles to discrete GPU */
pci_or_config16(dev_host, D0F0_GGC, 1 << 1);
}
static void gma_generate_ssdt(const struct device *device)
{
const struct northbridge_intel_x4x_config *chip = device->chip_info;
drivers_intel_gma_displays_ssdt_generate(&chip->gfx);
}
static const char *gma_acpi_name(const struct device *dev)
{
return "GFX0";
}
static struct device_operations gma_func0_ops = {
.read_resources = pci_dev_read_resources,
.set_resources = pci_dev_set_resources,
.enable_resources = pci_dev_enable_resources,
.acpi_fill_ssdt = gma_generate_ssdt,
.init = gma_func0_init,
.ops_pci = &pci_dev_ops_pci,
.disable = gma_func0_disable,
.acpi_name = gma_acpi_name,
};
static const unsigned short pci_device_ids[] = {
0x2e02, /* Eaglelake */
0x2e12, /* Q43/Q45 */
0x2e22, /* G43/G45 */
0x2e32, /* G41 */
0x2e42, /* B43 */
0x2e92, /* B43_I */
0
};
static const struct pci_driver gma __pci_driver = {
.ops = &gma_func0_ops,
.vendor = PCI_VENDOR_ID_INTEL,
.devices = pci_device_ids,
};
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