251 lines
9.1 KiB
C
251 lines
9.1 KiB
C
/*
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* Copyright (c) 2019 Etnaviv Project
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* Copyright (c) 2019 Zodiac Inflight Innovations
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Christian Gmeiner <christian.gmeiner@gmail.com>
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*/
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#include <stdio.h>
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#include <sys/ioctl.h>
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#include "drm-uapi/etnaviv_drm.h"
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#include "drm-shim/drm_shim.h"
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#include "util/u_debug.h"
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bool drm_shim_driver_prefers_first_render_node = true;
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struct etna_shim_gpu
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{
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const char *name;
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const uint64_t *reg_map;
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};
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static const struct etna_shim_gpu gpus[] = {
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{
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.name = "GC400",
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.reg_map = (const uint64_t[]){
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[ETNAVIV_PARAM_GPU_MODEL] = 0x400,
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[ETNAVIV_PARAM_GPU_REVISION] = 0x4652,
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[ETNAVIV_PARAM_GPU_FEATURES_0] = 0xa0e9e004,
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[ETNAVIV_PARAM_GPU_FEATURES_1] = 0xe1299fff,
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[ETNAVIV_PARAM_GPU_FEATURES_2] = 0xbe13b219,
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[ETNAVIV_PARAM_GPU_FEATURES_3] = 0xce110010,
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[ETNAVIV_PARAM_GPU_FEATURES_4] = 0x8000001,
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[ETNAVIV_PARAM_GPU_FEATURES_5] = 0x20102,
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[ETNAVIV_PARAM_GPU_FEATURES_6] = 0x120000,
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[ETNAVIV_PARAM_GPU_FEATURES_7] = 0x0,
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[ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x4,
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[ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
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[ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x80,
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[ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x8,
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[ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x1,
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[ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x1,
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[ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x80,
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[ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
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[ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x100,
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[ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0x140,
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[ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0x8,
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[ETNAVIV_PARAM_SOFTPIN_START_ADDR] = ~0ULL,
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}
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},
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{
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.name = "GC2000",
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.reg_map = (const uint64_t[]){
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[ETNAVIV_PARAM_GPU_MODEL] = 0x2000,
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[ETNAVIV_PARAM_GPU_REVISION] = 0x5108,
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[ETNAVIV_PARAM_GPU_FEATURES_0] = 0xe0296cad,
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[ETNAVIV_PARAM_GPU_FEATURES_1] = 0xc9799eff,
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[ETNAVIV_PARAM_GPU_FEATURES_2] = 0x2efbf2d9,
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[ETNAVIV_PARAM_GPU_FEATURES_3] = 0x0,
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[ETNAVIV_PARAM_GPU_FEATURES_4] = 0x0,
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[ETNAVIV_PARAM_GPU_FEATURES_5] = 0x0,
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[ETNAVIV_PARAM_GPU_FEATURES_6] = 0x0,
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[ETNAVIV_PARAM_GPU_FEATURES_7] = 0x0,
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[ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x8,
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[ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
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[ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x400,
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[ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x10,
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[ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x4,
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[ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x2,
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[ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x200,
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[ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
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[ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x200,
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[ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0xa8,
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[ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0xb,
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[ETNAVIV_PARAM_SOFTPIN_START_ADDR] = ~0ULL,
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}
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},
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{
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.name = "GC3000",
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.reg_map = (const uint64_t[]){
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[ETNAVIV_PARAM_GPU_MODEL] = 0x3000,
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[ETNAVIV_PARAM_GPU_REVISION] = 0x5450,
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[ETNAVIV_PARAM_GPU_FEATURES_0] = 0xe0287cad,
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[ETNAVIV_PARAM_GPU_FEATURES_1] = 0xc9799efb,
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[ETNAVIV_PARAM_GPU_FEATURES_2] = 0xfefbfadb,
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[ETNAVIV_PARAM_GPU_FEATURES_3] = 0xeb9d4bbf,
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[ETNAVIV_PARAM_GPU_FEATURES_4] = 0xedffdced,
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[ETNAVIV_PARAM_GPU_FEATURES_5] = 0x930d2f47,
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[ETNAVIV_PARAM_GPU_FEATURES_6] = 0x10000133,
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[ETNAVIV_PARAM_GPU_FEATURES_7] = 0x0,
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[ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x10,
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[ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
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[ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x400,
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[ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x10,
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[ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x4,
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[ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x2,
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[ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x400,
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[ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
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[ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x100,
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[ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0x140,
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[ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0x10,
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[ETNAVIV_PARAM_SOFTPIN_START_ADDR] = ~0ULL,
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}
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},
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{
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.name = "GC7000L",
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.reg_map = (const uint64_t[]){
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[ETNAVIV_PARAM_GPU_MODEL] = 0x7000,
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[ETNAVIV_PARAM_GPU_REVISION] = 0x6214,
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[ETNAVIV_PARAM_GPU_FEATURES_0] = 0xe0287cad,
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[ETNAVIV_PARAM_GPU_FEATURES_1] = 0xc1799eff,
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[ETNAVIV_PARAM_GPU_FEATURES_2] = 0xfefbfad9,
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[ETNAVIV_PARAM_GPU_FEATURES_3] = 0xeb9d4fbf,
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[ETNAVIV_PARAM_GPU_FEATURES_4] = 0xedfffced,
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[ETNAVIV_PARAM_GPU_FEATURES_5] = 0xdb0dafc7,
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[ETNAVIV_PARAM_GPU_FEATURES_6] = 0xbb5ac333,
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[ETNAVIV_PARAM_GPU_FEATURES_7] = 0xfc8ee200,
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[ETNAVIV_PARAM_GPU_STREAM_COUNT] = 0x10,
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[ETNAVIV_PARAM_GPU_REGISTER_MAX] = 0x40,
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[ETNAVIV_PARAM_GPU_THREAD_COUNT] = 0x400,
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[ETNAVIV_PARAM_GPU_VERTEX_CACHE_SIZE] = 0x10,
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[ETNAVIV_PARAM_GPU_SHADER_CORE_COUNT] = 0x4,
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[ETNAVIV_PARAM_GPU_PIXEL_PIPES] = 0x2,
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[ETNAVIV_PARAM_GPU_VERTEX_OUTPUT_BUFFER_SIZE] = 0x400,
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[ETNAVIV_PARAM_GPU_BUFFER_SIZE] = 0x0,
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[ETNAVIV_PARAM_GPU_INSTRUCTION_COUNT] = 0x200,
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[ETNAVIV_PARAM_GPU_NUM_CONSTANTS] = 0x140,
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[ETNAVIV_PARAM_GPU_NUM_VARYINGS] = 0x10,
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[ETNAVIV_PARAM_SOFTPIN_START_ADDR] = 0x00400000,
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}
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}
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};
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static const struct etna_shim_gpu *shim_gpu;
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static int
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etnaviv_ioctl_noop(int fd, unsigned long request, void *arg)
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{
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return 0;
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}
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static int
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etnaviv_ioctl_gem_new(int fd, unsigned long request, void *arg)
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{
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struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
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struct drm_etnaviv_gem_new *create = arg;
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struct shim_bo *bo = calloc(1, sizeof(*bo));
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drm_shim_bo_init(bo, create->size);
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create->handle = drm_shim_bo_get_handle(shim_fd, bo);
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drm_shim_bo_put(bo);
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return 0;
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}
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static int
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etnaviv_ioctl_gem_info(int fd, unsigned long request, void *arg)
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{
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struct shim_fd *shim_fd = drm_shim_fd_lookup(fd);
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struct drm_etnaviv_gem_info *args = arg;
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struct shim_bo *bo = drm_shim_bo_lookup(shim_fd, args->handle);
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args->offset = drm_shim_bo_get_mmap_offset(shim_fd, bo);
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drm_shim_bo_put(bo);
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return 0;
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}
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static int
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etnaviv_ioctl_get_param(int fd, unsigned long request, void *arg)
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{
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struct drm_etnaviv_param *gp = arg;
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if (gp->param > ETNAVIV_PARAM_SOFTPIN_START_ADDR) {
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fprintf(stderr, "Unknown DRM_IOCTL_ETNAVIV_GET_PARAM %d\n", gp->param);
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return -1;
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}
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gp->value = shim_gpu->reg_map[gp->param];
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return 0;
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}
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static ioctl_fn_t driver_ioctls[] = {
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[DRM_ETNAVIV_GET_PARAM] = etnaviv_ioctl_get_param,
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[DRM_ETNAVIV_GEM_NEW] = etnaviv_ioctl_gem_new,
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[DRM_ETNAVIV_GEM_INFO] = etnaviv_ioctl_gem_info,
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[DRM_ETNAVIV_GEM_CPU_PREP] = etnaviv_ioctl_noop,
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[DRM_ETNAVIV_GEM_CPU_FINI] = etnaviv_ioctl_noop,
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[DRM_ETNAVIV_GEM_SUBMIT] = etnaviv_ioctl_noop,
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[DRM_ETNAVIV_WAIT_FENCE] = etnaviv_ioctl_noop,
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[DRM_ETNAVIV_GEM_USERPTR] = etnaviv_ioctl_noop,
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[DRM_ETNAVIV_GEM_WAIT] = etnaviv_ioctl_noop,
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[DRM_ETNAVIV_PM_QUERY_DOM] = etnaviv_ioctl_noop,
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[DRM_ETNAVIV_PM_QUERY_SIG] = etnaviv_ioctl_noop,
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};
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void
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drm_shim_driver_init(void)
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{
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shim_device.bus_type = DRM_BUS_PLATFORM;
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shim_device.driver_name = "etnaviv";
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shim_device.driver_ioctls = driver_ioctls;
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shim_device.driver_ioctl_count = ARRAY_SIZE(driver_ioctls);
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/* etnaviv uses the DRM version to expose features, instead of getparam. */
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shim_device.version_major = 1;
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shim_device.version_minor = 1;
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shim_device.version_patchlevel = 0;
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drm_shim_override_file("DRIVER=etnaviv\n"
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"MODALIAS=platform:etnaviv\n",
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"/sys/dev/char/%d:%d/device/uevent",
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DRM_MAJOR, render_node_minor);
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/* decide what GPU to emulate */
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const char *gpu = debug_get_option("ETNA_SHIM_GPU", "GC2000");
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for (unsigned i = 0; i < ARRAY_SIZE(gpus); i++) {
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if (strncasecmp(gpu, gpus[i].name, strlen(gpus[i].name)) == 0) {
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shim_gpu = &gpus[i];
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break;
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}
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}
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/* NOTE: keep keep default value and fallback index in sync */
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if (!shim_gpu)
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shim_gpu = &gpus[1];
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fprintf(stderr, "Using %s as shim gpu\n", shim_gpu->name);
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}
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