133965Sjdp// SPDX-License-Identifier: GPL-2.0-only OR MIT 278828Sobrien/* Copyright (c) 2023 Imagination Technologies Ltd. */ 3218822Sdim 433965Sjdp#include "pvr_device.h" 533965Sjdp#include "pvr_device_info.h" 633965Sjdp#include "pvr_rogue_fwif_dev_info.h" 733965Sjdp 833965Sjdp#include <drm/drm_print.h> 933965Sjdp 1033965Sjdp#include <linux/bits.h> 1133965Sjdp#include <linux/minmax.h> 1233965Sjdp#include <linux/stddef.h> 1333965Sjdp#include <linux/types.h> 1433965Sjdp 1533965Sjdp#define QUIRK_MAPPING(quirk) \ 1633965Sjdp [PVR_FW_HAS_BRN_##quirk] = offsetof(struct pvr_device, quirks.has_brn##quirk) 1733965Sjdp 1833965Sjdpstatic const uintptr_t quirks_mapping[] = { 1933965Sjdp QUIRK_MAPPING(44079), 20218822Sdim QUIRK_MAPPING(47217), 21218822Sdim QUIRK_MAPPING(48492), 2233965Sjdp QUIRK_MAPPING(48545), 2377298Sobrien QUIRK_MAPPING(49927), 2477298Sobrien QUIRK_MAPPING(50767), 2577298Sobrien QUIRK_MAPPING(51764), 2677298Sobrien QUIRK_MAPPING(62269), 2733965Sjdp QUIRK_MAPPING(63142), 2838889Sjdp QUIRK_MAPPING(63553), 2933965Sjdp QUIRK_MAPPING(66011), 3033965Sjdp QUIRK_MAPPING(71242), 3189857Sobrien}; 3233965Sjdp 3333965Sjdp#undef QUIRK_MAPPING 34130561Sobrien 35130561Sobrien#define ENHANCEMENT_MAPPING(enhancement) \ 3660484Sobrien [PVR_FW_HAS_ERN_##enhancement] = offsetof(struct pvr_device, \ 37130561Sobrien enhancements.has_ern##enhancement) 3860484Sobrien 39130561Sobrienstatic const uintptr_t enhancements_mapping[] = { 40130561Sobrien ENHANCEMENT_MAPPING(35421), 41130561Sobrien ENHANCEMENT_MAPPING(38020), 42130561Sobrien ENHANCEMENT_MAPPING(38748), 43218822Sdim ENHANCEMENT_MAPPING(42064), 44130561Sobrien ENHANCEMENT_MAPPING(42290), 4533965Sjdp ENHANCEMENT_MAPPING(42606), 4633965Sjdp ENHANCEMENT_MAPPING(47025), 4733965Sjdp ENHANCEMENT_MAPPING(57596), 4833965Sjdp}; 4933965Sjdp 5033965Sjdp#undef ENHANCEMENT_MAPPING 5177298Sobrien 5233965Sjdpstatic void pvr_device_info_set_common(struct pvr_device *pvr_dev, const u64 *bitmask, 5333965Sjdp u32 bitmask_size, const uintptr_t *mapping, u32 mapping_max) 5433965Sjdp{ 5533965Sjdp const u32 mapping_max_size = (mapping_max + 63) >> 6; 5633965Sjdp const u32 nr_bits = min(bitmask_size * 64, mapping_max); 5733965Sjdp 5833965Sjdp /* Warn if any unsupported values in the bitmask. */ 5933965Sjdp if (bitmask_size > mapping_max_size) { 6033965Sjdp if (mapping == quirks_mapping) 6133965Sjdp drm_warn(from_pvr_device(pvr_dev), "Unsupported quirks in firmware image"); 6233965Sjdp else 6333965Sjdp drm_warn(from_pvr_device(pvr_dev), 6433965Sjdp "Unsupported enhancements in firmware image"); 65130561Sobrien } else if (bitmask_size == mapping_max_size && (mapping_max & 63)) { 6633965Sjdp u64 invalid_mask = ~0ull << (mapping_max & 63); 6760484Sobrien 6833965Sjdp if (bitmask[bitmask_size - 1] & invalid_mask) { 6933965Sjdp if (mapping == quirks_mapping) 7033965Sjdp drm_warn(from_pvr_device(pvr_dev), 7133965Sjdp "Unsupported quirks in firmware image"); 7233965Sjdp else 7333965Sjdp drm_warn(from_pvr_device(pvr_dev), 7433965Sjdp "Unsupported enhancements in firmware image"); 7560484Sobrien } 7660484Sobrien } 7760484Sobrien 78130561Sobrien for (u32 i = 0; i < nr_bits; i++) { 79130561Sobrien if (bitmask[i >> 6] & BIT_ULL(i & 63)) 8060484Sobrien *(bool *)((u8 *)pvr_dev + mapping[i]) = true; 8189857Sobrien } 8260484Sobrien} 8389857Sobrien 8460484Sobrien/** 8560484Sobrien * pvr_device_info_set_quirks() - Set device quirks from device information in firmware 8660484Sobrien * @pvr_dev: Device pointer. 8760484Sobrien * @quirks: Pointer to quirks mask in device information. 8860484Sobrien * @quirks_size: Size of quirks mask, in u64s. 8960484Sobrien */ 9060484Sobrienvoid pvr_device_info_set_quirks(struct pvr_device *pvr_dev, const u64 *quirks, u32 quirks_size) 9133965Sjdp{ 9233965Sjdp BUILD_BUG_ON(ARRAY_SIZE(quirks_mapping) != PVR_FW_HAS_BRN_MAX); 9333965Sjdp 9433965Sjdp pvr_device_info_set_common(pvr_dev, quirks, quirks_size, quirks_mapping, 95130561Sobrien ARRAY_SIZE(quirks_mapping)); 9633965Sjdp} 9733965Sjdp 9833965Sjdp/** 9933965Sjdp * pvr_device_info_set_enhancements() - Set device enhancements from device information in firmware 10060484Sobrien * @pvr_dev: Device pointer. 10133965Sjdp * @enhancements: Pointer to enhancements mask in device information. 10233965Sjdp * @enhancements_size: Size of enhancements mask, in u64s. 10389857Sobrien */ 10433965Sjdpvoid pvr_device_info_set_enhancements(struct pvr_device *pvr_dev, const u64 *enhancements, 10533965Sjdp u32 enhancements_size) 10633965Sjdp{ 10733965Sjdp BUILD_BUG_ON(ARRAY_SIZE(enhancements_mapping) != PVR_FW_HAS_ERN_MAX); 10833965Sjdp 10933965Sjdp pvr_device_info_set_common(pvr_dev, enhancements, enhancements_size, 11033965Sjdp enhancements_mapping, ARRAY_SIZE(enhancements_mapping)); 11133965Sjdp} 11233965Sjdp 11333965Sjdp#define FEATURE_MAPPING(fw_feature, feature) \ 11433965Sjdp [PVR_FW_HAS_FEATURE_##fw_feature] = { \ 11533965Sjdp .flag_offset = offsetof(struct pvr_device, features.has_##feature), \ 11633965Sjdp .value_offset = 0 \ 11733965Sjdp } 11833965Sjdp 119130561Sobrien#define FEATURE_MAPPING_VALUE(fw_feature, feature) \ 12033965Sjdp [PVR_FW_HAS_FEATURE_##fw_feature] = { \ 12133965Sjdp .flag_offset = offsetof(struct pvr_device, features.has_##feature), \ 12233965Sjdp .value_offset = offsetof(struct pvr_device, features.feature) \ 12333965Sjdp } 12433965Sjdp 12533965Sjdpstatic const struct { 12633965Sjdp uintptr_t flag_offset; 12733965Sjdp uintptr_t value_offset; 12833965Sjdp} features_mapping[] = { 12933965Sjdp FEATURE_MAPPING(AXI_ACELITE, axi_acelite), 13033965Sjdp FEATURE_MAPPING_VALUE(CDM_CONTROL_STREAM_FORMAT, cdm_control_stream_format), 13133965Sjdp FEATURE_MAPPING(CLUSTER_GROUPING, cluster_grouping), 13233965Sjdp FEATURE_MAPPING_VALUE(COMMON_STORE_SIZE_IN_DWORDS, common_store_size_in_dwords), 13333965Sjdp FEATURE_MAPPING(COMPUTE, compute), 13433965Sjdp FEATURE_MAPPING(COMPUTE_MORTON_CAPABLE, compute_morton_capable), 13533965Sjdp FEATURE_MAPPING(COMPUTE_OVERLAP, compute_overlap), 13638889Sjdp FEATURE_MAPPING(COREID_PER_OS, coreid_per_os), 13738889Sjdp FEATURE_MAPPING(DYNAMIC_DUST_POWER, dynamic_dust_power), 13838889Sjdp FEATURE_MAPPING_VALUE(ECC_RAMS, ecc_rams), 13938889Sjdp FEATURE_MAPPING_VALUE(FBCDC, fbcdc), 14038889Sjdp FEATURE_MAPPING_VALUE(FBCDC_ALGORITHM, fbcdc_algorithm), 14138889Sjdp FEATURE_MAPPING_VALUE(FBCDC_ARCHITECTURE, fbcdc_architecture), 14238889Sjdp FEATURE_MAPPING_VALUE(FBC_MAX_DEFAULT_DESCRIPTORS, fbc_max_default_descriptors), 14338889Sjdp FEATURE_MAPPING_VALUE(FBC_MAX_LARGE_DESCRIPTORS, fbc_max_large_descriptors), 14438889Sjdp FEATURE_MAPPING(FB_CDC_V4, fb_cdc_v4), 14538889Sjdp FEATURE_MAPPING(GPU_MULTICORE_SUPPORT, gpu_multicore_support), 14638889Sjdp FEATURE_MAPPING(GPU_VIRTUALISATION, gpu_virtualisation), 14738889Sjdp FEATURE_MAPPING(GS_RTA_SUPPORT, gs_rta_support), 14838889Sjdp FEATURE_MAPPING(IRQ_PER_OS, irq_per_os), 149130561Sobrien FEATURE_MAPPING_VALUE(ISP_MAX_TILES_IN_FLIGHT, isp_max_tiles_in_flight), 15038889Sjdp FEATURE_MAPPING_VALUE(ISP_SAMPLES_PER_PIXEL, isp_samples_per_pixel), 15138889Sjdp FEATURE_MAPPING(ISP_ZLS_D24_S8_PACKING_OGL_MODE, isp_zls_d24_s8_packing_ogl_mode), 15238889Sjdp FEATURE_MAPPING_VALUE(LAYOUT_MARS, layout_mars), 15338889Sjdp FEATURE_MAPPING_VALUE(MAX_PARTITIONS, max_partitions), 15438889Sjdp FEATURE_MAPPING_VALUE(META, meta), 15538889Sjdp FEATURE_MAPPING_VALUE(META_COREMEM_SIZE, meta_coremem_size), 15638889Sjdp FEATURE_MAPPING(MIPS, mips), 15738889Sjdp FEATURE_MAPPING_VALUE(NUM_CLUSTERS, num_clusters), 15838889Sjdp FEATURE_MAPPING_VALUE(NUM_ISP_IPP_PIPES, num_isp_ipp_pipes), 15960484Sobrien FEATURE_MAPPING_VALUE(NUM_OSIDS, num_osids), 16060484Sobrien FEATURE_MAPPING_VALUE(NUM_RASTER_PIPES, num_raster_pipes), 16160484Sobrien FEATURE_MAPPING(PBE2_IN_XE, pbe2_in_xe), 162130561Sobrien FEATURE_MAPPING(PBVNC_COREID_REG, pbvnc_coreid_reg), 16360484Sobrien FEATURE_MAPPING(PERFBUS, perfbus), 16460484Sobrien FEATURE_MAPPING(PERF_COUNTER_BATCH, perf_counter_batch), 16560484Sobrien FEATURE_MAPPING_VALUE(PHYS_BUS_WIDTH, phys_bus_width), 16660484Sobrien FEATURE_MAPPING(RISCV_FW_PROCESSOR, riscv_fw_processor), 16760484Sobrien FEATURE_MAPPING(ROGUEXE, roguexe), 16860484Sobrien FEATURE_MAPPING(S7_TOP_INFRASTRUCTURE, s7_top_infrastructure), 16938889Sjdp FEATURE_MAPPING(SIMPLE_INTERNAL_PARAMETER_FORMAT, simple_internal_parameter_format), 17077298Sobrien FEATURE_MAPPING(SIMPLE_INTERNAL_PARAMETER_FORMAT_V2, simple_internal_parameter_format_v2), 17177298Sobrien FEATURE_MAPPING_VALUE(SIMPLE_PARAMETER_FORMAT_VERSION, simple_parameter_format_version), 17233965Sjdp FEATURE_MAPPING_VALUE(SLC_BANKS, slc_banks), 17333965Sjdp FEATURE_MAPPING_VALUE(SLC_CACHE_LINE_SIZE_BITS, slc_cache_line_size_bits), 17433965Sjdp FEATURE_MAPPING(SLC_SIZE_CONFIGURABLE, slc_size_configurable), 17533965Sjdp FEATURE_MAPPING_VALUE(SLC_SIZE_IN_KILOBYTES, slc_size_in_kilobytes), 17633965Sjdp FEATURE_MAPPING(SOC_TIMER, soc_timer), 17733965Sjdp FEATURE_MAPPING(SYS_BUS_SECURE_RESET, sys_bus_secure_reset), 17833965Sjdp FEATURE_MAPPING(TESSELLATION, tessellation), 17977298Sobrien FEATURE_MAPPING(TILE_REGION_PROTECTION, tile_region_protection), 18077298Sobrien FEATURE_MAPPING_VALUE(TILE_SIZE_X, tile_size_x), 18177298Sobrien FEATURE_MAPPING_VALUE(TILE_SIZE_Y, tile_size_y), 18277298Sobrien FEATURE_MAPPING(TLA, tla), 18377298Sobrien FEATURE_MAPPING(TPU_CEM_DATAMASTER_GLOBAL_REGISTERS, tpu_cem_datamaster_global_registers), 18477298Sobrien FEATURE_MAPPING(TPU_DM_GLOBAL_REGISTERS, tpu_dm_global_registers), 18577298Sobrien FEATURE_MAPPING(TPU_FILTERING_MODE_CONTROL, tpu_filtering_mode_control), 18633965Sjdp FEATURE_MAPPING_VALUE(USC_MIN_OUTPUT_REGISTERS_PER_PIX, usc_min_output_registers_per_pix), 18777298Sobrien FEATURE_MAPPING(VDM_DRAWINDIRECT, vdm_drawindirect), 18833965Sjdp FEATURE_MAPPING(VDM_OBJECT_LEVEL_LLS, vdm_object_level_lls), 18933965Sjdp FEATURE_MAPPING_VALUE(VIRTUAL_ADDRESS_SPACE_BITS, virtual_address_space_bits), 190130561Sobrien FEATURE_MAPPING(WATCHDOG_TIMER, watchdog_timer), 19133965Sjdp FEATURE_MAPPING(WORKGROUP_PROTECTION, workgroup_protection), 19277298Sobrien FEATURE_MAPPING_VALUE(XE_ARCHITECTURE, xe_architecture), 19333965Sjdp FEATURE_MAPPING(XE_MEMORY_HIERARCHY, xe_memory_hierarchy), 19433965Sjdp FEATURE_MAPPING(XE_TPU2, xe_tpu2), 19533965Sjdp FEATURE_MAPPING_VALUE(XPU_MAX_REGBANKS_ADDR_WIDTH, xpu_max_regbanks_addr_width), 19633965Sjdp FEATURE_MAPPING_VALUE(XPU_MAX_SLAVES, xpu_max_slaves), 19733965Sjdp FEATURE_MAPPING_VALUE(XPU_REGISTER_BROADCAST, xpu_register_broadcast), 19833965Sjdp FEATURE_MAPPING(XT_TOP_INFRASTRUCTURE, xt_top_infrastructure), 19933965Sjdp FEATURE_MAPPING(ZLS_SUBTILE, zls_subtile), 20033965Sjdp}; 20133965Sjdp 20289857Sobrien#undef FEATURE_MAPPING_VALUE 20333965Sjdp#undef FEATURE_MAPPING 20433965Sjdp 20533965Sjdp/** 20689857Sobrien * pvr_device_info_set_features() - Set device features from device information in firmware 20789857Sobrien * @pvr_dev: Device pointer. 20833965Sjdp * @features: Pointer to features mask in device information. 20933965Sjdp * @features_size: Size of features mask, in u64s. 21033965Sjdp * @feature_param_size: Size of feature parameters, in u64s. 21177298Sobrien * 21277298Sobrien * Returns: 21333965Sjdp * * 0 on success, or 21433965Sjdp * * -%EINVAL on malformed stream. 21533965Sjdp */ 21677298Sobrienint pvr_device_info_set_features(struct pvr_device *pvr_dev, const u64 *features, u32 features_size, 217130561Sobrien u32 feature_param_size) 21838889Sjdp{ 21938889Sjdp const u32 mapping_max = ARRAY_SIZE(features_mapping); 22038889Sjdp const u32 mapping_max_size = (mapping_max + 63) >> 6; 22138889Sjdp const u32 nr_bits = min(features_size * 64, mapping_max); 22238889Sjdp const u64 *feature_params = features + features_size; 22338889Sjdp u32 param_idx = 0; 22438889Sjdp 22538889Sjdp BUILD_BUG_ON(ARRAY_SIZE(features_mapping) != PVR_FW_HAS_FEATURE_MAX); 22638889Sjdp 22777298Sobrien /* Verify no unsupported values in the bitmask. */ 228130561Sobrien if (features_size > mapping_max_size) { 22938889Sjdp drm_warn(from_pvr_device(pvr_dev), "Unsupported features in firmware image"); 23077298Sobrien } else if (features_size == mapping_max_size && 23177298Sobrien ((mapping_max & 63) != 0)) { 23277298Sobrien u64 invalid_mask = ~0ull << (mapping_max & 63); 23377298Sobrien 23477298Sobrien if (features[features_size - 1] & invalid_mask) 23577298Sobrien drm_warn(from_pvr_device(pvr_dev), 23677298Sobrien "Unsupported features in firmware image"); 23777298Sobrien } 23838889Sjdp 23938889Sjdp for (u32 i = 0; i < nr_bits; i++) { 24038889Sjdp if (features[i >> 6] & BIT_ULL(i & 63)) { 24138889Sjdp *(bool *)((u8 *)pvr_dev + features_mapping[i].flag_offset) = true; 24233965Sjdp 243130561Sobrien if (features_mapping[i].value_offset) { 24433965Sjdp if (param_idx >= feature_param_size) 24577298Sobrien return -EINVAL; 24633965Sjdp 24733965Sjdp *(u64 *)((u8 *)pvr_dev + features_mapping[i].value_offset) = 24877298Sobrien feature_params[param_idx]; 24977298Sobrien param_idx++; 25077298Sobrien } 25177298Sobrien } 25277298Sobrien } 25377298Sobrien 25433965Sjdp return 0; 25577298Sobrien} 25633965Sjdp