// SPDX-License-Identifier: GPL-2.0-only OR MIT /* Copyright (c) 2023 Imagination Technologies Ltd. */ #include "pvr_device.h" #include "pvr_device_info.h" #include "pvr_rogue_fwif_dev_info.h" #include #include #include #include #include #define QUIRK_MAPPING(quirk) \ [PVR_FW_HAS_BRN_##quirk] = offsetof(struct pvr_device, quirks.has_brn##quirk) static const uintptr_t quirks_mapping[] = { QUIRK_MAPPING(44079), QUIRK_MAPPING(47217), QUIRK_MAPPING(48492), QUIRK_MAPPING(48545), QUIRK_MAPPING(49927), QUIRK_MAPPING(50767), QUIRK_MAPPING(51764), QUIRK_MAPPING(62269), QUIRK_MAPPING(63142), QUIRK_MAPPING(63553), QUIRK_MAPPING(66011), QUIRK_MAPPING(71242), }; #undef QUIRK_MAPPING #define ENHANCEMENT_MAPPING(enhancement) \ [PVR_FW_HAS_ERN_##enhancement] = offsetof(struct pvr_device, \ enhancements.has_ern##enhancement) static const uintptr_t enhancements_mapping[] = { ENHANCEMENT_MAPPING(35421), ENHANCEMENT_MAPPING(38020), ENHANCEMENT_MAPPING(38748), ENHANCEMENT_MAPPING(42064), ENHANCEMENT_MAPPING(42290), ENHANCEMENT_MAPPING(42606), ENHANCEMENT_MAPPING(47025), ENHANCEMENT_MAPPING(57596), }; #undef ENHANCEMENT_MAPPING static void pvr_device_info_set_common(struct pvr_device *pvr_dev, const u64 *bitmask, u32 bitmask_size, const uintptr_t *mapping, u32 mapping_max) { const u32 mapping_max_size = (mapping_max + 63) >> 6; const u32 nr_bits = min(bitmask_size * 64, mapping_max); /* Warn if any unsupported values in the bitmask. */ if (bitmask_size > mapping_max_size) { if (mapping == quirks_mapping) drm_warn(from_pvr_device(pvr_dev), "Unsupported quirks in firmware image"); else drm_warn(from_pvr_device(pvr_dev), "Unsupported enhancements in firmware image"); } else if (bitmask_size == mapping_max_size && (mapping_max & 63)) { u64 invalid_mask = ~0ull << (mapping_max & 63); if (bitmask[bitmask_size - 1] & invalid_mask) { if (mapping == quirks_mapping) drm_warn(from_pvr_device(pvr_dev), "Unsupported quirks in firmware image"); else drm_warn(from_pvr_device(pvr_dev), "Unsupported enhancements in firmware image"); } } for (u32 i = 0; i < nr_bits; i++) { if (bitmask[i >> 6] & BIT_ULL(i & 63)) *(bool *)((u8 *)pvr_dev + mapping[i]) = true; } } /** * pvr_device_info_set_quirks() - Set device quirks from device information in firmware * @pvr_dev: Device pointer. * @quirks: Pointer to quirks mask in device information. * @quirks_size: Size of quirks mask, in u64s. */ void pvr_device_info_set_quirks(struct pvr_device *pvr_dev, const u64 *quirks, u32 quirks_size) { BUILD_BUG_ON(ARRAY_SIZE(quirks_mapping) != PVR_FW_HAS_BRN_MAX); pvr_device_info_set_common(pvr_dev, quirks, quirks_size, quirks_mapping, ARRAY_SIZE(quirks_mapping)); } /** * pvr_device_info_set_enhancements() - Set device enhancements from device information in firmware * @pvr_dev: Device pointer. * @enhancements: Pointer to enhancements mask in device information. * @enhancements_size: Size of enhancements mask, in u64s. */ void pvr_device_info_set_enhancements(struct pvr_device *pvr_dev, const u64 *enhancements, u32 enhancements_size) { BUILD_BUG_ON(ARRAY_SIZE(enhancements_mapping) != PVR_FW_HAS_ERN_MAX); pvr_device_info_set_common(pvr_dev, enhancements, enhancements_size, enhancements_mapping, ARRAY_SIZE(enhancements_mapping)); } #define FEATURE_MAPPING(fw_feature, feature) \ [PVR_FW_HAS_FEATURE_##fw_feature] = { \ .flag_offset = offsetof(struct pvr_device, features.has_##feature), \ .value_offset = 0 \ } #define FEATURE_MAPPING_VALUE(fw_feature, feature) \ [PVR_FW_HAS_FEATURE_##fw_feature] = { \ .flag_offset = offsetof(struct pvr_device, features.has_##feature), \ .value_offset = offsetof(struct pvr_device, features.feature) \ } static const struct { uintptr_t flag_offset; uintptr_t value_offset; } features_mapping[] = { FEATURE_MAPPING(AXI_ACELITE, axi_acelite), FEATURE_MAPPING_VALUE(CDM_CONTROL_STREAM_FORMAT, cdm_control_stream_format), FEATURE_MAPPING(CLUSTER_GROUPING, cluster_grouping), FEATURE_MAPPING_VALUE(COMMON_STORE_SIZE_IN_DWORDS, common_store_size_in_dwords), FEATURE_MAPPING(COMPUTE, compute), FEATURE_MAPPING(COMPUTE_MORTON_CAPABLE, compute_morton_capable), FEATURE_MAPPING(COMPUTE_OVERLAP, compute_overlap), FEATURE_MAPPING(COREID_PER_OS, coreid_per_os), FEATURE_MAPPING(DYNAMIC_DUST_POWER, dynamic_dust_power), FEATURE_MAPPING_VALUE(ECC_RAMS, ecc_rams), FEATURE_MAPPING_VALUE(FBCDC, fbcdc), FEATURE_MAPPING_VALUE(FBCDC_ALGORITHM, fbcdc_algorithm), FEATURE_MAPPING_VALUE(FBCDC_ARCHITECTURE, fbcdc_architecture), FEATURE_MAPPING_VALUE(FBC_MAX_DEFAULT_DESCRIPTORS, fbc_max_default_descriptors), FEATURE_MAPPING_VALUE(FBC_MAX_LARGE_DESCRIPTORS, fbc_max_large_descriptors), FEATURE_MAPPING(FB_CDC_V4, fb_cdc_v4), FEATURE_MAPPING(GPU_MULTICORE_SUPPORT, gpu_multicore_support), FEATURE_MAPPING(GPU_VIRTUALISATION, gpu_virtualisation), FEATURE_MAPPING(GS_RTA_SUPPORT, gs_rta_support), FEATURE_MAPPING(IRQ_PER_OS, irq_per_os), FEATURE_MAPPING_VALUE(ISP_MAX_TILES_IN_FLIGHT, isp_max_tiles_in_flight), FEATURE_MAPPING_VALUE(ISP_SAMPLES_PER_PIXEL, isp_samples_per_pixel), FEATURE_MAPPING(ISP_ZLS_D24_S8_PACKING_OGL_MODE, isp_zls_d24_s8_packing_ogl_mode), FEATURE_MAPPING_VALUE(LAYOUT_MARS, layout_mars), FEATURE_MAPPING_VALUE(MAX_PARTITIONS, max_partitions), FEATURE_MAPPING_VALUE(META, meta), FEATURE_MAPPING_VALUE(META_COREMEM_SIZE, meta_coremem_size), FEATURE_MAPPING(MIPS, mips), FEATURE_MAPPING_VALUE(NUM_CLUSTERS, num_clusters), FEATURE_MAPPING_VALUE(NUM_ISP_IPP_PIPES, num_isp_ipp_pipes), FEATURE_MAPPING_VALUE(NUM_OSIDS, num_osids), FEATURE_MAPPING_VALUE(NUM_RASTER_PIPES, num_raster_pipes), FEATURE_MAPPING(PBE2_IN_XE, pbe2_in_xe), FEATURE_MAPPING(PBVNC_COREID_REG, pbvnc_coreid_reg), FEATURE_MAPPING(PERFBUS, perfbus), FEATURE_MAPPING(PERF_COUNTER_BATCH, perf_counter_batch), FEATURE_MAPPING_VALUE(PHYS_BUS_WIDTH, phys_bus_width), FEATURE_MAPPING(RISCV_FW_PROCESSOR, riscv_fw_processor), FEATURE_MAPPING(ROGUEXE, roguexe), FEATURE_MAPPING(S7_TOP_INFRASTRUCTURE, s7_top_infrastructure), FEATURE_MAPPING(SIMPLE_INTERNAL_PARAMETER_FORMAT, simple_internal_parameter_format), FEATURE_MAPPING(SIMPLE_INTERNAL_PARAMETER_FORMAT_V2, simple_internal_parameter_format_v2), FEATURE_MAPPING_VALUE(SIMPLE_PARAMETER_FORMAT_VERSION, simple_parameter_format_version), FEATURE_MAPPING_VALUE(SLC_BANKS, slc_banks), FEATURE_MAPPING_VALUE(SLC_CACHE_LINE_SIZE_BITS, slc_cache_line_size_bits), FEATURE_MAPPING(SLC_SIZE_CONFIGURABLE, slc_size_configurable), FEATURE_MAPPING_VALUE(SLC_SIZE_IN_KILOBYTES, slc_size_in_kilobytes), FEATURE_MAPPING(SOC_TIMER, soc_timer), FEATURE_MAPPING(SYS_BUS_SECURE_RESET, sys_bus_secure_reset), FEATURE_MAPPING(TESSELLATION, tessellation), FEATURE_MAPPING(TILE_REGION_PROTECTION, tile_region_protection), FEATURE_MAPPING_VALUE(TILE_SIZE_X, tile_size_x), FEATURE_MAPPING_VALUE(TILE_SIZE_Y, tile_size_y), FEATURE_MAPPING(TLA, tla), FEATURE_MAPPING(TPU_CEM_DATAMASTER_GLOBAL_REGISTERS, tpu_cem_datamaster_global_registers), FEATURE_MAPPING(TPU_DM_GLOBAL_REGISTERS, tpu_dm_global_registers), FEATURE_MAPPING(TPU_FILTERING_MODE_CONTROL, tpu_filtering_mode_control), FEATURE_MAPPING_VALUE(USC_MIN_OUTPUT_REGISTERS_PER_PIX, usc_min_output_registers_per_pix), FEATURE_MAPPING(VDM_DRAWINDIRECT, vdm_drawindirect), FEATURE_MAPPING(VDM_OBJECT_LEVEL_LLS, vdm_object_level_lls), FEATURE_MAPPING_VALUE(VIRTUAL_ADDRESS_SPACE_BITS, virtual_address_space_bits), FEATURE_MAPPING(WATCHDOG_TIMER, watchdog_timer), FEATURE_MAPPING(WORKGROUP_PROTECTION, workgroup_protection), FEATURE_MAPPING_VALUE(XE_ARCHITECTURE, xe_architecture), FEATURE_MAPPING(XE_MEMORY_HIERARCHY, xe_memory_hierarchy), FEATURE_MAPPING(XE_TPU2, xe_tpu2), FEATURE_MAPPING_VALUE(XPU_MAX_REGBANKS_ADDR_WIDTH, xpu_max_regbanks_addr_width), FEATURE_MAPPING_VALUE(XPU_MAX_SLAVES, xpu_max_slaves), FEATURE_MAPPING_VALUE(XPU_REGISTER_BROADCAST, xpu_register_broadcast), FEATURE_MAPPING(XT_TOP_INFRASTRUCTURE, xt_top_infrastructure), FEATURE_MAPPING(ZLS_SUBTILE, zls_subtile), }; #undef FEATURE_MAPPING_VALUE #undef FEATURE_MAPPING /** * pvr_device_info_set_features() - Set device features from device information in firmware * @pvr_dev: Device pointer. * @features: Pointer to features mask in device information. * @features_size: Size of features mask, in u64s. * @feature_param_size: Size of feature parameters, in u64s. * * Returns: * * 0 on success, or * * -%EINVAL on malformed stream. */ int pvr_device_info_set_features(struct pvr_device *pvr_dev, const u64 *features, u32 features_size, u32 feature_param_size) { const u32 mapping_max = ARRAY_SIZE(features_mapping); const u32 mapping_max_size = (mapping_max + 63) >> 6; const u32 nr_bits = min(features_size * 64, mapping_max); const u64 *feature_params = features + features_size; u32 param_idx = 0; BUILD_BUG_ON(ARRAY_SIZE(features_mapping) != PVR_FW_HAS_FEATURE_MAX); /* Verify no unsupported values in the bitmask. */ if (features_size > mapping_max_size) { drm_warn(from_pvr_device(pvr_dev), "Unsupported features in firmware image"); } else if (features_size == mapping_max_size && ((mapping_max & 63) != 0)) { u64 invalid_mask = ~0ull << (mapping_max & 63); if (features[features_size - 1] & invalid_mask) drm_warn(from_pvr_device(pvr_dev), "Unsupported features in firmware image"); } for (u32 i = 0; i < nr_bits; i++) { if (features[i >> 6] & BIT_ULL(i & 63)) { *(bool *)((u8 *)pvr_dev + features_mapping[i].flag_offset) = true; if (features_mapping[i].value_offset) { if (param_idx >= feature_param_size) return -EINVAL; *(u64 *)((u8 *)pvr_dev + features_mapping[i].value_offset) = feature_params[param_idx]; param_idx++; } } } return 0; }