intel-hard-graphics/src/imagination/common/pvr_device_info.c

/*
 * Copyright © 2022 Imagination Technologies Ltd.
 *
 * 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.
 */

/* TODO: This file is currently hand-maintained. However, the intention is to
 * auto-generate it in the future based on the hwdefs.
 */

#include <assert.h>
#include <errno.h>
#include <string.h>

#include "pvr_device_info.h"

#include "device_info/g6110.h"
#include "device_info/gx6250.h"
#include "device_info/gx6650.h"
#include "device_info/ge7800.h"
#include "device_info/ge8300.h"
#include "device_info/axe-1-16m.h"
#include "device_info/bxe-2-32.h"
#include "device_info/bxe-4-32.h"
#include "device_info/bxm-4-64.h"
#include "device_info/bxs-4-64.h"

#include "util/u_string.h"

static const struct pvr_device_info *device_infos[] = {
   /* clang-format off */
   &pvr_device_info_4_40_2_51,
   &pvr_device_info_4_45_2_58,
   &pvr_device_info_4_46_6_62,
   &pvr_device_info_5_9_1_46,
   &pvr_device_info_15_5_1_64,
   &pvr_device_info_22_67_54_30,
   &pvr_device_info_22_68_54_30,
   &pvr_device_info_22_102_54_38,
   &pvr_device_info_33_15_11_3,
   &pvr_device_info_36_29_52_182,
   &pvr_device_info_36_50_54_182,
   &pvr_device_info_36_52_104_182,
   &pvr_device_info_36_53_104_796,
   &pvr_device_info_36_56_104_183,
   /* clang-format on */
};

/**
 * Initialize PowerVR device information.
 *
 * \param info Device info structure to initialize.
 * \param bvnc Packed BVNC.
 * \return
 *  * 0 on success, or
 *  * -%ENODEV if the device is not supported.
 */
int pvr_device_info_init(struct pvr_device_info *info, uint64_t bvnc)
{
#define CASE_PACKED_BVNC_DEVICE_INFO(_b, _v, _n, _c)     \
   case PVR_BVNC_PACK(_b, _v, _n, _c):                   \
      *info = pvr_device_info_##_b##_##_v##_##_n##_##_c; \
      return 0

   switch (bvnc) {
      CASE_PACKED_BVNC_DEVICE_INFO(4, 40, 2, 51);
      CASE_PACKED_BVNC_DEVICE_INFO(4, 45, 2, 58);
      CASE_PACKED_BVNC_DEVICE_INFO(4, 46, 6, 62);
      CASE_PACKED_BVNC_DEVICE_INFO(5, 9, 1, 46);
      CASE_PACKED_BVNC_DEVICE_INFO(15, 5, 1, 64);
      CASE_PACKED_BVNC_DEVICE_INFO(22, 67, 54, 30);
      CASE_PACKED_BVNC_DEVICE_INFO(22, 68, 54, 30);
      CASE_PACKED_BVNC_DEVICE_INFO(22, 102, 54, 38);
      CASE_PACKED_BVNC_DEVICE_INFO(33, 15, 11, 3);
      CASE_PACKED_BVNC_DEVICE_INFO(36, 29, 52, 182);
      CASE_PACKED_BVNC_DEVICE_INFO(36, 50, 54, 182);
      CASE_PACKED_BVNC_DEVICE_INFO(36, 52, 104, 182);
      CASE_PACKED_BVNC_DEVICE_INFO(36, 53, 104, 796);
      CASE_PACKED_BVNC_DEVICE_INFO(36, 56, 104, 183);
   }

#undef CASE_PACKED_BVNC_DEVICE_INFO

   assert(!"Unsupported Device");

   return -ENODEV;
}

/**
 * Initialize PowerVR device information from a public name.
 *
 * \param info Device info structure to initialize.
 * \param public_name Device public name.
 * \return True if successful.
 */
bool pvr_device_info_init_public_name(struct pvr_device_info *info,
                                      const char *public_name)
{
   for (unsigned d = 0; d < ARRAY_SIZE(device_infos); ++d) {
      if (strcasecmp(public_name, device_infos[d]->ident.public_name))
         continue;

      memcpy(info, device_infos[d], sizeof(*info));
      return true;
   }

   return false;
}