/* SPDX-License-Identifier: GPL-2.0-or-later */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* 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)) { const struct soc_intel_common_config *config = chip_get_common_soc_structure(); fsp_report_framebuffer_info(graphics_get_framebuffer_address(), config->panel_orientation); 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 = probe_resource(dev, index); if (!gm_res) return 0; return gm_res->base; } uintptr_t graphics_get_framebuffer_address(void) { uintptr_t memory_base; struct device *dev = pcidev_path_on_root(SA_DEVFN_IGD); if (is_graphics_disabled(dev)) return 0; memory_base = graphics_get_bar(dev, PCI_BASE_ADDRESS_2); if (!memory_base) die_with_post_code(POST_HW_INIT_FAILURE, "Graphic memory bar2 is not programmed!"); memory_base += CONFIG_SOC_INTEL_GFX_FRAMEBUFFER_OFFSET; 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 read32p(graphics_get_gtt_base() + reg); } void graphics_gtt_write(unsigned long reg, uint32_t data) { write32p(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 void graphics_dev_read_resources(struct device *dev) { pci_dev_read_resources(dev); if (CONFIG(SOC_INTEL_GFX_NON_PREFETCHABLE_MMIO)) { struct resource *res_bar0 = find_resource(dev, PCI_BASE_ADDRESS_0); if (res_bar0->flags & IORESOURCE_PREFETCH) res_bar0->flags &= ~IORESOURCE_PREFETCH; } } const struct device_operations graphics_ops = { .read_resources = graphics_dev_read_resources, .set_resources = pci_dev_set_resources, .enable_resources = pci_dev_enable_resources, .init = gma_init, .final = pci_dev_request_bus_master, .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_DID_INTEL_RPL_P_GT1, PCI_DID_INTEL_RPL_P_GT2, PCI_DID_INTEL_RPL_P_GT3, PCI_DID_INTEL_RPL_P_GT4, PCI_DID_INTEL_RPL_P_GT5, PCI_DID_INTEL_RPL_P_GT6, PCI_DID_INTEL_MTL_M_GT2, PCI_DID_INTEL_MTL_P_GT2_1, PCI_DID_INTEL_MTL_P_GT2_2, PCI_DID_INTEL_MTL_P_GT2_3, PCI_DID_INTEL_MTL_P_GT2_4, PCI_DID_INTEL_APL_IGD_HD_505, PCI_DID_INTEL_APL_IGD_HD_500, PCI_DID_INTEL_CNL_GT2_ULX_1, PCI_DID_INTEL_CNL_GT2_ULX_2, PCI_DID_INTEL_CNL_GT2_ULX_3, PCI_DID_INTEL_CNL_GT2_ULX_4, PCI_DID_INTEL_CNL_GT2_ULT_1, PCI_DID_INTEL_CNL_GT2_ULT_2, PCI_DID_INTEL_CNL_GT2_ULT_3, PCI_DID_INTEL_CNL_GT2_ULT_4, PCI_DID_INTEL_GLK_IGD, PCI_DID_INTEL_GLK_IGD_EU12, PCI_DID_INTEL_WHL_GT1_ULT_1, PCI_DID_INTEL_WHL_GT2_ULT_1, PCI_DID_INTEL_AML_GT2_ULX, PCI_DID_INTEL_CFL_H_GT2, PCI_DID_INTEL_CFL_H_XEON_GT2, PCI_DID_INTEL_CFL_S_GT1_1, PCI_DID_INTEL_CFL_S_GT1_2, PCI_DID_INTEL_CFL_S_GT2_1, PCI_DID_INTEL_CFL_S_GT2_2, PCI_DID_INTEL_CFL_S_GT2_3, PCI_DID_INTEL_CFL_S_GT2_4, PCI_DID_INTEL_CFL_S_GT2_5, PCI_DID_INTEL_ICL_GT0_ULT, PCI_DID_INTEL_ICL_GT0_5_ULT, PCI_DID_INTEL_ICL_GT1_ULT, PCI_DID_INTEL_ICL_GT2_ULX_0, PCI_DID_INTEL_ICL_GT2_ULX_1, PCI_DID_INTEL_ICL_GT2_ULT_1, PCI_DID_INTEL_ICL_GT2_ULX_2, PCI_DID_INTEL_ICL_GT2_ULT_2, PCI_DID_INTEL_ICL_GT2_ULX_3, PCI_DID_INTEL_ICL_GT2_ULT_3, PCI_DID_INTEL_ICL_GT2_ULX_4, PCI_DID_INTEL_ICL_GT2_ULT_4, PCI_DID_INTEL_ICL_GT2_ULX_5, PCI_DID_INTEL_ICL_GT2_ULT_5, PCI_DID_INTEL_ICL_GT2_ULX_6, PCI_DID_INTEL_ICL_GT3_ULT, PCI_DID_INTEL_CML_GT1_ULT_1, PCI_DID_INTEL_CML_GT1_ULT_2, PCI_DID_INTEL_CML_GT2_ULT_1, PCI_DID_INTEL_CML_GT2_ULT_2, PCI_DID_INTEL_CML_GT1_ULT_3, PCI_DID_INTEL_CML_GT1_ULT_4, PCI_DID_INTEL_CML_GT2_ULT_5, PCI_DID_INTEL_CML_GT2_ULT_6, PCI_DID_INTEL_CML_GT2_ULT_7, PCI_DID_INTEL_CML_GT2_ULT_8, PCI_DID_INTEL_CML_GT2_ULT_3, PCI_DID_INTEL_CML_GT2_ULT_4, PCI_DID_INTEL_CML_GT1_ULX_1, PCI_DID_INTEL_CML_GT2_ULX_1, PCI_DID_INTEL_CML_GT1_S_1, PCI_DID_INTEL_CML_GT1_S_2, PCI_DID_INTEL_CML_GT2_S_1, PCI_DID_INTEL_CML_GT2_S_2, PCI_DID_INTEL_CML_GT1_H_1, PCI_DID_INTEL_CML_GT1_H_2, PCI_DID_INTEL_CML_GT2_H_1, PCI_DID_INTEL_CML_GT2_H_2, PCI_DID_INTEL_CML_GT2_S_G0, PCI_DID_INTEL_CML_GT2_S_P0, PCI_DID_INTEL_CML_GT2_H_R0, PCI_DID_INTEL_CML_GT2_H_R1, PCI_DID_INTEL_TGL_GT0, PCI_DID_INTEL_TGL_GT1_H_32, PCI_DID_INTEL_TGL_GT1_H_16, PCI_DID_INTEL_TGL_GT2_ULT, PCI_DID_INTEL_TGL_GT2_ULX, PCI_DID_INTEL_TGL_GT3_ULT, PCI_DID_INTEL_TGL_GT2_ULT_1, PCI_DID_INTEL_EHL_GT1_1, PCI_DID_INTEL_EHL_GT2_1, PCI_DID_INTEL_EHL_GT1_2, PCI_DID_INTEL_EHL_GT2_2, PCI_DID_INTEL_EHL_GT1_2_1, PCI_DID_INTEL_EHL_GT1_3, PCI_DID_INTEL_EHL_GT2_3, PCI_DID_INTEL_JSL_GT1, PCI_DID_INTEL_JSL_GT2, PCI_DID_INTEL_JSL_GT3, PCI_DID_INTEL_JSL_GT4, PCI_DID_INTEL_ADL_GT0, PCI_DID_INTEL_ADL_GT1, PCI_DID_INTEL_ADL_GT1_1, PCI_DID_INTEL_ADL_GT1_2, PCI_DID_INTEL_ADL_GT1_3, PCI_DID_INTEL_ADL_GT1_4, PCI_DID_INTEL_ADL_GT1_5, PCI_DID_INTEL_ADL_GT1_6, PCI_DID_INTEL_ADL_GT1_7, PCI_DID_INTEL_ADL_GT1_8, PCI_DID_INTEL_ADL_GT1_9, PCI_DID_INTEL_ADL_P_GT2, PCI_DID_INTEL_ADL_P_GT2_1, PCI_DID_INTEL_ADL_P_GT2_2, PCI_DID_INTEL_ADL_P_GT2_3, PCI_DID_INTEL_ADL_P_GT2_4, PCI_DID_INTEL_ADL_P_GT2_5, PCI_DID_INTEL_ADL_P_GT2_6, PCI_DID_INTEL_ADL_P_GT2_7, PCI_DID_INTEL_ADL_P_GT2_8, PCI_DID_INTEL_ADL_P_GT2_9, PCI_DID_INTEL_ADL_S_GT1, PCI_DID_INTEL_ADL_M_GT1, PCI_DID_INTEL_ADL_M_GT2, PCI_DID_INTEL_ADL_M_GT3, PCI_DID_INTEL_ADL_N_GT1, PCI_DID_INTEL_ADL_N_GT2, PCI_DID_INTEL_ADL_N_GT3, 0, }; static const struct pci_driver graphics_driver __pci_driver = { .ops = &graphics_ops, .vendor = PCI_VID_INTEL, .devices = pci_device_ids, };