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      1 /*
      2  * Copyright  2020 Valve Corporation
      3  *
      4  * Permission is hereby granted, free of charge, to any person obtaining a
      5  * copy of this software and associated documentation files (the "Software"),
      6  * to deal in the Software without restriction, including without limitation
      7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
      8  * and/or sell copies of the Software, and to permit persons to whom the
      9  * Software is furnished to do so, subject to the following conditions:
     10  *
     11  * The above copyright notice and this permission notice (including the next
     12  * paragraph) shall be included in all copies or substantial portions of the
     13  * Software.
     14  *
     15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
     19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
     21  * IN THE SOFTWARE.
     22  *
     23  */
     24 
     25 #include "freedreno_dev_info.h"
     26 #include "util/macros.h"
     27 
     28 /**
     29  * Table entry for a single GPU version
     30  */
     31 struct fd_dev_rec {
     32    struct fd_dev_id id;
     33    const char *name;
     34    const struct fd_dev_info *info;
     35 };
     36 
     37 #include "freedreno_devices.h"
     38 
     39 static bool
     40 dev_id_compare(const struct fd_dev_id *a, const struct fd_dev_id *b)
     41 {
     42    if (a->gpu_id && b->gpu_id) {
     43       return a->gpu_id == b->gpu_id;
     44    } else {
     45       assert(a->chip_id && b->chip_id);
     46       /* Match on either:
     47        * (a) exact match
     48        * (b) device table entry has 0xff wildcard patch_id and core/
     49        *     major/minor match
     50        */
     51       return (a->chip_id == b->chip_id) ||
     52              (((a->chip_id & 0xff) == 0xff) &&
     53               ((a->chip_id & UINT64_C(0xffffff00)) ==
     54                (b->chip_id & UINT64_C(0xffffff00))));
     55    }
     56 }
     57 
     58 const struct fd_dev_info *
     59 fd_dev_info(const struct fd_dev_id *id)
     60 {
     61    for (int i = 0; i < ARRAY_SIZE(fd_dev_recs); i++) {
     62       if (dev_id_compare(&fd_dev_recs[i].id, id)) {
     63          return fd_dev_recs[i].info;
     64       }
     65    }
     66    return NULL;
     67 }
     68 
     69 const char *
     70 fd_dev_name(const struct fd_dev_id *id)
     71 {
     72    for (int i = 0; i < ARRAY_SIZE(fd_dev_recs); i++) {
     73       if (dev_id_compare(&fd_dev_recs[i].id, id)) {
     74          return fd_dev_recs[i].name;
     75       }
     76    }
     77    return NULL;
     78 }
     79