drm/etnaviv/etnaviv_gpu.c

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/*
* Copyright (C) 2015 Etnaviv Project
*
* 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, sublicense,
* 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 NONINFRINGEMENT. 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 "etnaviv_priv.h"
#include "etnaviv_drmif.h"
static uint64_t get_param(struct etna_device *dev, uint32_t core, uint32_t param)
{
struct drm_etnaviv_param req = {
.pipe = core,
.param = param,
};
int ret;
ret = drmCommandWriteRead(dev->fd, DRM_ETNAVIV_GET_PARAM, &req, sizeof(req));
if (ret) {
ERROR_MSG("get-param (%x) failed! %d (%s)", param, ret, strerror(errno));
return 0;
}
return req.value;
}
drm_public struct etna_gpu *etna_gpu_new(struct etna_device *dev, unsigned int core)
{
struct etna_gpu *gpu;
gpu = calloc(1, sizeof(*gpu));
if (!gpu) {
ERROR_MSG("allocation failed");
goto fail;
}
gpu->dev = dev;
gpu->core = core;
gpu->model = get_param(dev, core, ETNAVIV_PARAM_GPU_MODEL);
gpu->revision = get_param(dev, core, ETNAVIV_PARAM_GPU_REVISION);
if (!gpu->model)
goto fail;
INFO_MSG(" GPU model: 0x%x (rev %x)", gpu->model, gpu->revision);
return gpu;
fail:
if (gpu)
etna_gpu_del(gpu);
return NULL;
}
drm_public void etna_gpu_del(struct etna_gpu *gpu)
{
free(gpu);
}
drm_public int etna_gpu_get_param(struct etna_gpu *gpu, enum etna_param_id param,
uint64_t *value)
{
struct etna_device *dev = gpu->dev;
unsigned int core = gpu->core;
switch(param) {
case ETNA_GPU_MODEL:
*value = gpu->model;
return 0;
case ETNA_GPU_REVISION:
*value = gpu->revision;
return 0;
case ETNA_GPU_FEATURES_0:
*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_0);
return 0;
case ETNA_GPU_FEATURES_1:
*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_1);
return 0;
case ETNA_GPU_FEATURES_2:
*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_2);
return 0;
case ETNA_GPU_FEATURES_3:
*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_3);
return 0;
case ETNA_GPU_FEATURES_4:
*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_4);
return 0;
case ETNA_GPU_FEATURES_5:
*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_5);
return 0;
case ETNA_GPU_FEATURES_6:
*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_6);
return 0;
case ETNA_GPU_STREAM_COUNT:
*value = get_param(dev, core, ETNA_GPU_STREAM_COUNT);
return 0;
case ETNA_GPU_REGISTER_MAX:
*value = get_param(dev, core, ETNA_GPU_REGISTER_MAX);
return 0;
case ETNA_GPU_THREAD_COUNT:
*value = get_param(dev, core, ETNA_GPU_THREAD_COUNT);
return 0;
case ETNA_GPU_VERTEX_CACHE_SIZE:
*value = get_param(dev, core, ETNA_GPU_VERTEX_CACHE_SIZE);
return 0;
case ETNA_GPU_SHADER_CORE_COUNT:
*value = get_param(dev, core, ETNA_GPU_SHADER_CORE_COUNT);
return 0;
case ETNA_GPU_PIXEL_PIPES:
*value = get_param(dev, core, ETNA_GPU_PIXEL_PIPES);
return 0;
case ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE:
*value = get_param(dev, core, ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE);
return 0;
case ETNA_GPU_BUFFER_SIZE:
*value = get_param(dev, core, ETNA_GPU_BUFFER_SIZE);
return 0;
case ETNA_GPU_INSTRUCTION_COUNT:
*value = get_param(dev, core, ETNA_GPU_INSTRUCTION_COUNT);
return 0;
case ETNA_GPU_NUM_CONSTANTS:
*value = get_param(dev, core, ETNA_GPU_NUM_CONSTANTS);
return 0;
case ETNA_GPU_NUM_VARYINGS:
*value = get_param(dev, core, ETNA_GPU_NUM_VARYINGS);
return 0;
default:
ERROR_MSG("invalid param id: %d", param);
return -1;
}
return 0;
}