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/*
*
* Copyright (C) 2023 Adrian Larumbe <adrian.larumbe@collabora.com>
*
* Nvtop is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Nvtop is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with nvtop. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <unistd.h>
#include "nvtop/interface_internal_common.h"
#include "panfrost_utils.h"
struct panfrost_model {
const char *name;
unsigned int id;
unsigned int (*nengines) (int32_t core_count, uint32_t core_features, uint32_t thread_features);
};
static uint32_t get_num_eng_g52(int core_count,
uint32_t core_features,
uint32_t thread_features)
{
(void) core_count;
(void) thread_features;
return core_features & 0xF;
}
#define GPU_MODEL(_name, _id, _nengines) \
{ \
.name = #_name, \
.id = _id, \
.nengines = _nengines, \
}
static const struct panfrost_model gpu_models[] = {
GPU_MODEL(t600, 0x600, NULL),
GPU_MODEL(t620, 0x620, NULL),
GPU_MODEL(t720, 0x720, NULL),
GPU_MODEL(t760, 0x750, NULL),
GPU_MODEL(t820, 0x820, NULL),
GPU_MODEL(t830, 0x830, NULL),
GPU_MODEL(t860, 0x860, NULL),
GPU_MODEL(t880, 0x880, NULL),
GPU_MODEL(g71, 0x6000, NULL),
GPU_MODEL(g72, 0x6001, NULL),
GPU_MODEL(g51, 0x7000, NULL),
GPU_MODEL(g76, 0x7001, NULL),
GPU_MODEL(g52, 0x7002, get_num_eng_g52),
GPU_MODEL(g31, 0x7003, NULL),
GPU_MODEL(g57, 0x9001, NULL),
GPU_MODEL(g57, 0x9003, NULL),
};
static inline int panfrost_model_cmp(unsigned int match, unsigned int id)
{
if (match & 0xf000)
match &= 0xf00f;
return match - id;
}
const char * panfrost_parse_marketing_name(uint64_t gpu_id)
{
for (unsigned i = 0; i < ARRAY_SIZE(gpu_models); i++) {
if (!panfrost_model_cmp(gpu_id, gpu_models[i].id)) {
return gpu_models[i].name;
}
}
return NULL;
}
unsigned int get_number_engines(uint32_t gpu_id,
int core_count,
uint32_t core_features,
uint32_t thread_features)
{
for (unsigned i = 0; i < ARRAY_SIZE(gpu_models); i++) {
if (!panfrost_model_cmp(gpu_id, gpu_models[i].id)) {
if (gpu_models[i].nengines)
return gpu_models[i].nengines(core_count, core_features, thread_features);
else
return 0;
}
}
return 0;
}
unsigned int util_last_bit(unsigned int u)
{
#if defined(HAVE___BUILTIN_CLZ)
return u == 0 ? 0 : 32 - __builtin_clz(u);
#elif defined(_MSC_VER) && (_M_IX86 || _M_ARM || _M_AMD64 || _M_IA64)
unsigned long index;
if (_BitScanReverse(&index, u))
return index + 1;
else
return 0;
#else
unsigned r = 0;
while (u) {
r++;
u >>= 1;
}
return r;
#endif
}
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