diff options
Diffstat (limited to 'drivers/gpu/drm/imagination/pvr_device_info.c')
| -rw-r--r-- | drivers/gpu/drm/imagination/pvr_device_info.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/drivers/gpu/drm/imagination/pvr_device_info.c b/drivers/gpu/drm/imagination/pvr_device_info.c new file mode 100644 index 000000000000..d3301cde7d11 --- /dev/null +++ b/drivers/gpu/drm/imagination/pvr_device_info.c @@ -0,0 +1,255 @@ +// 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 <drm/drm_print.h> + +#include <linux/bits.h> +#include <linux/minmax.h> +#include <linux/stddef.h> +#include <linux/types.h> + +#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; +} |