2015-12-16 01:06:15 +01:00
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/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2015-2016 Intel Corp.
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* (Written by Alexandru Gagniuc <alexandrux.gagniuc@intel.com> for Intel Corp.)
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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; either version 2 of the License, or
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* (at your option) any later version.
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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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2016-05-13 04:11:48 +02:00
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#include <arch/acpi.h>
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#include <arch/acpigen.h>
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2015-12-16 01:06:15 +01:00
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#include <console/console.h>
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#include <fsp/util.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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2016-09-08 18:57:04 +02:00
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#include <soc/pci_devs.h>
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2016-05-13 04:11:48 +02:00
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#include <soc/intel/common/opregion.h>
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2015-12-16 01:06:15 +01:00
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2016-09-08 18:57:04 +02:00
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uintptr_t fsp_soc_get_igd_bar(void)
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2015-12-16 01:06:15 +01:00
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{
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2017-03-05 08:07:00 +01:00
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return find_resource(SA_DEV_IGD, PCI_BASE_ADDRESS_2)->base;
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2015-12-16 01:06:15 +01:00
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}
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static void igd_set_resources(struct device *dev)
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{
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pci_dev_set_resources(dev);
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}
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2016-05-13 04:11:48 +02:00
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static unsigned long igd_write_opregion(device_t dev, unsigned long current,
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struct acpi_rsdp *rsdp)
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{
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igd_opregion_t *opregion;
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uint16_t reg16;
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printk(BIOS_DEBUG, "ACPI: * IGD OpRegion\n");
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opregion = (igd_opregion_t *)current;
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if (!init_igd_opregion(opregion))
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return current;
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current += sizeof(igd_opregion_t);
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/* TODO Initialize Mailbox 3 */
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opregion->mailbox3.bclp = IGD_BACKLIGHT_BRIGHTNESS;
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opregion->mailbox3.pfit = IGD_FIELD_VALID | IGD_PFIT_STRETCH;
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opregion->mailbox3.pcft = 0; /* should be (IMON << 1) & 0x3e */
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opregion->mailbox3.cblv = IGD_FIELD_VALID | IGD_INITIAL_BRIGHTNESS;
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opregion->mailbox3.bclm[0] = IGD_WORD_FIELD_VALID + 0x0000;
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opregion->mailbox3.bclm[1] = IGD_WORD_FIELD_VALID + 0x0a19;
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opregion->mailbox3.bclm[2] = IGD_WORD_FIELD_VALID + 0x1433;
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opregion->mailbox3.bclm[3] = IGD_WORD_FIELD_VALID + 0x1e4c;
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opregion->mailbox3.bclm[4] = IGD_WORD_FIELD_VALID + 0x2866;
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opregion->mailbox3.bclm[5] = IGD_WORD_FIELD_VALID + 0x327f;
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opregion->mailbox3.bclm[6] = IGD_WORD_FIELD_VALID + 0x3c99;
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opregion->mailbox3.bclm[7] = IGD_WORD_FIELD_VALID + 0x46b2;
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opregion->mailbox3.bclm[8] = IGD_WORD_FIELD_VALID + 0x50cc;
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opregion->mailbox3.bclm[9] = IGD_WORD_FIELD_VALID + 0x5ae5;
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opregion->mailbox3.bclm[10] = IGD_WORD_FIELD_VALID + 0x64ff;
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/*
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* TODO This needs to happen in S3 resume, too.
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* Maybe it should move to the finalize handler.
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*/
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pci_write_config32(dev, ASLS, (uintptr_t)opregion);
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reg16 = pci_read_config16(dev, SWSCI);
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reg16 &= ~(1 << 0);
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reg16 |= (1 << 15);
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pci_write_config16(dev, SWSCI, reg16);
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return acpi_align_current(current);
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}
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2015-12-16 01:06:15 +01:00
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static const struct device_operations igd_ops = {
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.read_resources = pci_dev_read_resources,
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.set_resources = igd_set_resources,
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.enable_resources = pci_dev_enable_resources,
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.init = pci_dev_init,
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2016-05-13 04:11:48 +02:00
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.write_acpi_tables = igd_write_opregion,
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2015-12-16 01:06:15 +01:00
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.enable = DEVICE_NOOP
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};
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2016-07-21 02:48:55 +02:00
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static const unsigned short pci_device_ids[] = {
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2017-05-31 22:45:08 +02:00
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PCI_DEVICE_ID_INTEL_APL_IGD_HD_505,
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PCI_DEVICE_ID_INTEL_APL_IGD_HD_500,
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PCI_DEVICE_ID_INTEL_GLK_IGD,
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2016-07-21 02:48:55 +02:00
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0,
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};
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2015-12-16 01:06:15 +01:00
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static const struct pci_driver integrated_graphics_driver __pci_driver = {
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2017-03-09 18:42:48 +01:00
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.ops = &igd_ops,
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.vendor = PCI_VENDOR_ID_INTEL,
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.devices = pci_device_ids,
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2015-12-16 01:06:15 +01:00
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};
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