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path: root/src/soc/intel/common/block/graphics/graphics.c
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/* SPDX-License-Identifier: GPL-2.0-or-later */

#include <acpi/acpi.h>
#include <assert.h>
#include <bootmode.h>
#include <console/console.h>
#include <device/mmio.h>
#include <device/pci.h>
#include <device/pci_ids.h>
#include <drivers/intel/gma/i915.h>
#include <drivers/intel/gma/libgfxinit.h>
#include <drivers/intel/gma/opregion.h>
#include <intelblocks/graphics.h>
#include <fsp/graphics.h>
#include <soc/pci_devs.h>
#include <types.h>

/* SoC Overrides */
__weak void graphics_soc_panel_init(struct device *dev)
{
	/*
	 * User needs to implement SoC override in case wishes
	 * to perform certain specific graphics initialization
	 */
}

__weak const struct i915_gpu_controller_info *
intel_igd_get_controller_info(const struct device *device)
{
	return NULL;
}

static void gma_init(struct device *const dev)
{
	intel_gma_init_igd_opregion();

	/* SoC specific panel init/configuration.
	   If FSP has already run/configured the IGD, we can assume the
	   panel/backlight control have already been set up sufficiently
	   and that we shouldn't attempt to reconfigure things. */
	if (!CONFIG(RUN_FSP_GOP))
		graphics_soc_panel_init(dev);

	if (CONFIG(SOC_INTEL_CONFIGURE_DDI_A_4_LANES) && !acpi_is_wakeup_s3()) {
		const u32 ddi_buf_ctl = graphics_gtt_read(DDI_BUF_CTL_A);
		/* Only program if the buffer is not enabled yet. */
		if (!(ddi_buf_ctl & DDI_BUF_CTL_ENABLE))
			graphics_gtt_write(DDI_BUF_CTL_A, ddi_buf_ctl | DDI_A_4_LANES);
	}

	/*
	 * GFX PEIM module inside FSP binary is taking care of graphics
	 * initialization based on RUN_FSP_GOP Kconfig option and input
	 * VBT file. Need to report the framebuffer info after PCI enumeration.
	 *
	 * In case of non-FSP solution, SoC need to select another
	 * Kconfig to perform GFX initialization.
	 */
	if (CONFIG(RUN_FSP_GOP)) {
		fsp_report_framebuffer_info(graphics_get_memory_base());
		return;
	}

	if (!CONFIG(NO_GFX_INIT))
		pci_or_config16(dev, PCI_COMMAND, PCI_COMMAND_MASTER);

	if (CONFIG(MAINBOARD_USE_LIBGFXINIT)) {
		if (!acpi_is_wakeup_s3() && display_init_required()) {
			int lightup_ok;
			gma_gfxinit(&lightup_ok);
			gfx_set_init_done(lightup_ok);
		}
	} else {
		/* Initialize PCI device, load/execute BIOS Option ROM */
		pci_dev_init(dev);
	}
}

static void gma_generate_ssdt(const struct device *device)
{
	const struct i915_gpu_controller_info *gfx = intel_igd_get_controller_info(device);

	if (gfx)
		drivers_intel_gma_displays_ssdt_generate(gfx);
}

static int is_graphics_disabled(struct device *dev)
{
	/* Check if Graphics PCI device is disabled */
	if (!dev || !dev->enabled)
		return 1;

	return 0;
}

static uintptr_t graphics_get_bar(struct device *dev, unsigned long index)
{
	struct resource *gm_res;

	gm_res = find_resource(dev, index);
	if (!gm_res)
		return 0;

	return gm_res->base;
}

uintptr_t graphics_get_memory_base(void)
{
	uintptr_t memory_base;
	struct device *dev = pcidev_path_on_root(SA_DEVFN_IGD);

	if (is_graphics_disabled(dev))
		return 0;
	/*
	 * GFX PCI config space offset 0x18 know as Graphics
	 * Memory Range Address (GMADR)
	 */
	memory_base = graphics_get_bar(dev, PCI_BASE_ADDRESS_2);
	if (!memory_base)
		die_with_post_code(POST_HW_INIT_FAILURE,
				   "GMADR is not programmed!");

	return memory_base;
}

static uintptr_t graphics_get_gtt_base(void)
{
	static uintptr_t gtt_base;
	struct device *dev = pcidev_path_on_root(SA_DEVFN_IGD);

	if (is_graphics_disabled(dev))
		die("IGD is disabled!");
	/*
	 * GFX PCI config space offset 0x10 know as Graphics
	 * Translation Table Memory Mapped Range Address
	 * (GTTMMADR)
	 */
	if (!gtt_base) {
		gtt_base = graphics_get_bar(dev, PCI_BASE_ADDRESS_0);
		if (!gtt_base)
			die_with_post_code(POST_HW_INIT_FAILURE,
					   "GTTMMADR is not programmed!");
	}
	return gtt_base;
}

uint32_t graphics_gtt_read(unsigned long reg)
{
	return read32((void *)(graphics_get_gtt_base() + reg));
}

void graphics_gtt_write(unsigned long reg, uint32_t data)
{
	write32((void *)(graphics_get_gtt_base() + reg), data);
}

void graphics_gtt_rmw(unsigned long reg, uint32_t andmask, uint32_t ormask)
{
	uint32_t val = graphics_gtt_read(reg);
	val &= andmask;
	val |= ormask;
	graphics_gtt_write(reg, val);
}

static const struct device_operations graphics_ops = {
	.read_resources		= pci_dev_read_resources,
	.set_resources		= pci_dev_set_resources,
	.enable_resources	= pci_dev_enable_resources,
	.init			= gma_init,
	.ops_pci		= &pci_dev_ops_pci,
#if CONFIG(HAVE_ACPI_TABLES)
	.acpi_fill_ssdt		= gma_generate_ssdt,
#endif
	.scan_bus		= scan_generic_bus,
};

static const unsigned short pci_device_ids[] = {
	PCI_DEVICE_ID_INTEL_APL_IGD_HD_505,
	PCI_DEVICE_ID_INTEL_APL_IGD_HD_500,
	PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_1,
	PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_2,
	PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_3,
	PCI_DEVICE_ID_INTEL_CNL_GT2_ULX_4,
	PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_1,
	PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_2,
	PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_3,
	PCI_DEVICE_ID_INTEL_CNL_GT2_ULT_4,
	PCI_DEVICE_ID_INTEL_GLK_IGD,
	PCI_DEVICE_ID_INTEL_GLK_IGD_EU12,
	PCI_DEVICE_ID_INTEL_WHL_GT1_ULT_1,
	PCI_DEVICE_ID_INTEL_WHL_GT2_ULT_1,
	PCI_DEVICE_ID_INTEL_KBL_GT1_SULTM,
	PCI_DEVICE_ID_INTEL_KBL_GT1_SHALM_1,
	PCI_DEVICE_ID_INTEL_KBL_GT1_SHALM_2,
	PCI_DEVICE_ID_INTEL_KBL_GT1_SSRVM,
	PCI_DEVICE_ID_INTEL_KBL_GT1F_DT2,
	PCI_DEVICE_ID_INTEL_KBL_GT2_SULXM,
	PCI_DEVICE_ID_INTEL_KBL_GT2_SULTM,
	PCI_DEVICE_ID_INTEL_KBL_GT2_SULTMR,
	PCI_DEVICE_ID_INTEL_KBL_GT2_SSRVM,
	PCI_DEVICE_ID_INTEL_KBL_GT2_SWSTM,
	PCI_DEVICE_ID_INTEL_KBL_GT2_SHALM,
	PCI_DEVICE_ID_INTEL_KBL_GT2_DT2P2,
	PCI_DEVICE_ID_INTEL_KBL_GT2F_SULTM,
	PCI_DEVICE_ID_INTEL_KBL_GT3E_SULTM_1,
	PCI_DEVICE_ID_INTEL_KBL_GT3E_SULTM_2,
	PCI_DEVICE_ID_INTEL_KBL_GT4_SHALM,
	PCI_DEVICE_ID_INTEL_AML_GT2_ULX,
	PCI_DEVICE_ID_INTEL_SKL_GT1F_DT2,
	PCI_DEVICE_ID_INTEL_SKL_GT1_SULTM,
	PCI_DEVICE_ID_INTEL_SKL_GT2_DT2P1,
	PCI_DEVICE_ID_INTEL_SKL_GT2_SULXM,
	PCI_DEVICE_ID_INTEL_SKL_GT2_SULTM,
	PCI_DEVICE_ID_INTEL_SKL_GT2_SHALM,
	PCI_DEVICE_ID_INTEL_SKL_GT2_SWKSM,
	PCI_DEVICE_ID_INTEL_SKL_GT3_SULTM,
	PCI_DEVICE_ID_INTEL_SKL_GT3E_SULTM_1,
	PCI_DEVICE_ID_INTEL_SKL_GT3E_SULTM_2,
	PCI_DEVICE_ID_INTEL_SKL_GT3FE_SSRVM,
	PCI_DEVICE_ID_INTEL_SKL_GT4_SHALM,
	PCI_DEVICE_ID_INTEL_SKL_GT4E_SWSTM,
	PCI_DEVICE_ID_INTEL_CFL_H_GT2,
	PCI_DEVICE_ID_INTEL_CFL_H_XEON_GT2,
	PCI_DEVICE_ID_INTEL_CFL_S_GT1_1,
	PCI_DEVICE_ID_INTEL_CFL_S_GT1_2,
	PCI_DEVICE_ID_INTEL_CFL_S_GT2_1,
	PCI_DEVICE_ID_INTEL_CFL_S_GT2_2,
	PCI_DEVICE_ID_INTEL_CFL_S_GT2_3,
	PCI_DEVICE_ID_INTEL_CFL_S_GT2_4,
	PCI_DEVICE_ID_INTEL_CFL_S_GT2_5,
	PCI_DEVICE_ID_INTEL_ICL_GT0_ULT,
	PCI_DEVICE_ID_INTEL_ICL_GT0_5_ULT,
	PCI_DEVICE_ID_INTEL_ICL_GT1_ULT,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_0,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_1,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_1,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_2,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_2,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_3,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_3,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_4,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_4,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_5,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULT_5,
	PCI_DEVICE_ID_INTEL_ICL_GT2_ULX_6,
	PCI_DEVICE_ID_INTEL_ICL_GT3_ULT,
	PCI_DEVICE_ID_INTEL_CML_GT1_ULT_1,
	PCI_DEVICE_ID_INTEL_CML_GT1_ULT_2,
	PCI_DEVICE_ID_INTEL_CML_GT2_ULT_1,
	PCI_DEVICE_ID_INTEL_CML_GT2_ULT_2,
	PCI_DEVICE_ID_INTEL_CML_GT1_ULT_3,
	PCI_DEVICE_ID_INTEL_CML_GT1_ULT_4,
	PCI_DEVICE_ID_INTEL_CML_GT2_ULT_5,
	PCI_DEVICE_ID_INTEL_CML_GT2_ULT_6,
	PCI_DEVICE_ID_INTEL_CML_GT2_ULT_3,
	PCI_DEVICE_ID_INTEL_CML_GT2_ULT_4,
	PCI_DEVICE_ID_INTEL_CML_GT1_ULX_1,
	PCI_DEVICE_ID_INTEL_CML_GT2_ULX_1,
	PCI_DEVICE_ID_INTEL_CML_GT1_S_1,
	PCI_DEVICE_ID_INTEL_CML_GT1_S_2,
	PCI_DEVICE_ID_INTEL_CML_GT2_S_1,
	PCI_DEVICE_ID_INTEL_CML_GT2_S_2,
	PCI_DEVICE_ID_INTEL_CML_GT1_H_1,
	PCI_DEVICE_ID_INTEL_CML_GT1_H_2,
	PCI_DEVICE_ID_INTEL_CML_GT2_H_1,
	PCI_DEVICE_ID_INTEL_CML_GT2_H_2,
	PCI_DEVICE_ID_INTEL_CML_GT2_S_G0,
	PCI_DEVICE_ID_INTEL_CML_GT2_S_P0,
	PCI_DEVICE_ID_INTEL_CML_GT2_H_R0,
	PCI_DEVICE_ID_INTEL_CML_GT2_H_R1,
	PCI_DEVICE_ID_INTEL_TGL_GT0,
	PCI_DEVICE_ID_INTEL_TGL_GT2_ULT,
	PCI_DEVICE_ID_INTEL_TGL_GT2_ULX,
	PCI_DEVICE_ID_INTEL_TGL_GT3_ULT,
	PCI_DEVICE_ID_INTEL_TGL_GT2_ULT_1,
	PCI_DEVICE_ID_INTEL_EHL_GT1_1,
	PCI_DEVICE_ID_INTEL_EHL_GT2_1,
	PCI_DEVICE_ID_INTEL_EHL_GT1_2,
	PCI_DEVICE_ID_INTEL_EHL_GT2_2,
	PCI_DEVICE_ID_INTEL_EHL_GT1_3,
	PCI_DEVICE_ID_INTEL_EHL_GT2_3,
	PCI_DEVICE_ID_INTEL_JSL_GT1,
	PCI_DEVICE_ID_INTEL_JSL_GT2,
	PCI_DEVICE_ID_INTEL_JSL_GT3,
	PCI_DEVICE_ID_INTEL_JSL_GT4,
	PCI_DEVICE_ID_INTEL_ADL_GT0,
	PCI_DEVICE_ID_INTEL_ADL_GT1,
	PCI_DEVICE_ID_INTEL_ADL_GT1_1,
	PCI_DEVICE_ID_INTEL_ADL_GT1_2,
	PCI_DEVICE_ID_INTEL_ADL_GT1_3,
	PCI_DEVICE_ID_INTEL_ADL_GT1_4,
	PCI_DEVICE_ID_INTEL_ADL_GT1_5,
	PCI_DEVICE_ID_INTEL_ADL_GT1_6,
	PCI_DEVICE_ID_INTEL_ADL_GT1_7,
	PCI_DEVICE_ID_INTEL_ADL_GT1_8,
	PCI_DEVICE_ID_INTEL_ADL_GT1_9,
	PCI_DEVICE_ID_INTEL_ADL_P_GT2,
	PCI_DEVICE_ID_INTEL_ADL_S_GT1,
	0,
};

static const struct pci_driver graphics_driver __pci_driver = {
	.ops		= &graphics_ops,
	.vendor		= PCI_VENDOR_ID_INTEL,
	.devices	= pci_device_ids,
};