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/*
* 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"
struct etna_shim_gpu
{
const char *name;
const uint64_t *reg_map;
};
static const struct etna_shim_gpu gpus[] = {
{
.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.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[0];
fprintf(stderr, "Using %s as shim gpu\n", shim_gpu->name);
}
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