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