104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/*
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* Copyright © 2020 Valve Corporation
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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, sublicense,
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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 next
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* paragraph) shall be included in all copies or substantial portions of the
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* 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 NONINFRINGEMENT. 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 DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#include "freedreno_dev_info.h"
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#include "util/macros.h"
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/**
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* Table entry for a single GPU version
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*/
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struct fd_dev_rec {
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struct fd_dev_id id;
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const char *name;
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const struct fd_dev_info *info;
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};
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#include "freedreno_devices.h"
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/**
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* Compare device 'id' against reference id ('ref') from gpu table.
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*/
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static bool
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dev_id_compare(const struct fd_dev_id *ref, const struct fd_dev_id *id)
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{
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if (ref->gpu_id && id->gpu_id) {
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return ref->gpu_id == id->gpu_id;
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} else {
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assert(ref->chip_id && id->chip_id);
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/* Match on either:
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* (a) exact match:
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*/
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if (ref->chip_id == id->chip_id)
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return true;
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/* (b) device table entry has 0xff wildcard patch_id and core/
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* major/minor match:
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*/
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if (((ref->chip_id & 0xff) == 0xff) &&
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((ref->chip_id & UINT64_C(0xffffff00)) ==
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(id->chip_id & UINT64_C(0xffffff00))))
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return true;
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#define WILDCARD_FUSE_ID UINT64_C(0x0000ffff00000000)
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/* If the reference id has wildcard fuse-id value (ie. bits 47..32
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* are all ones, then try matching ignoring the device fuse-id:
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*/
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if ((ref->chip_id & WILDCARD_FUSE_ID) == WILDCARD_FUSE_ID) {
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uint64_t chip_id = id->chip_id | WILDCARD_FUSE_ID;
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/* (c) exact match (ignoring the fuse-id from kernel):
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*/
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if (ref->chip_id == chip_id)
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return true;
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/* (d) device table entry has 0xff wildcard patch_id and core/
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* major/minor match (ignoring fuse-id from kernel):
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*/
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if (((ref->chip_id & 0xff) == 0xff) &&
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((ref->chip_id & UINT64_C(0xffffff00)) ==
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(chip_id & UINT64_C(0xffffff00))))
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return true;
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}
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return false;
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}
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}
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const struct fd_dev_info *
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fd_dev_info(const struct fd_dev_id *id)
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{
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for (int i = 0; i < ARRAY_SIZE(fd_dev_recs); i++) {
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if (dev_id_compare(&fd_dev_recs[i].id, id)) {
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return fd_dev_recs[i].info;
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}
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}
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return NULL;
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}
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const char *
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fd_dev_name(const struct fd_dev_id *id)
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{
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for (int i = 0; i < ARRAY_SIZE(fd_dev_recs); i++) {
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if (dev_id_compare(&fd_dev_recs[i].id, id)) {
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return fd_dev_recs[i].name;
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}
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}
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return NULL;
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}
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