drivers/gpu/drm/amd/powerplay/smumgr/ellesmere_smumgr.h

   1 /*
   2  * Copyright 2015 Advanced Micro Devices, Inc.
   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 shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23
  24 #ifndef _ELLESMERE_SMUMANAGER_H
  25 #define _ELLESMERE_SMUMANAGER_H
  26
  27 #include <ellesmere_ppsmc.h>
  28 #include <pp_endian.h>
  29
  30 struct ellesmere_avfs {
  31         enum AVFS_BTC_STATUS avfs_btc_status;
  32         uint32_t           avfs_btc_param;
  33 };
  34
  35 struct ellesmere_buffer_entry {
  36         uint32_t data_size;
  37         uint32_t mc_addr_low;
  38         uint32_t mc_addr_high;
  39         void *kaddr;
  40         unsigned long  handle;
  41 };
  42
  43 struct ellesmere_smumgr {
  44         uint8_t *header;
  45         uint8_t *mec_image;
  46         struct ellesmere_buffer_entry smu_buffer;
  47         struct ellesmere_buffer_entry header_buffer;
  48         uint32_t soft_regs_start;
  49         uint8_t *read_rrm_straps;
  50         uint32_t read_drm_straps_mc_address_high;
  51         uint32_t read_drm_straps_mc_address_low;
  52         uint32_t acpi_optimization;
  53         bool post_initial_boot;
  54         uint8_t protected_mode;
  55         uint8_t security_hard_key;
  56         struct ellesmere_avfs  avfs;
  57 };
  58
  59
  60 int ellesmere_smum_init(struct pp_smumgr *smumgr);
  61
  62 int ellesmere_read_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t *value, uint32_t limit);
  63 int ellesmere_write_smc_sram_dword(struct pp_smumgr *smumgr, uint32_t smc_addr, uint32_t value, uint32_t limit);
  64 int ellesmere_copy_bytes_to_smc(struct pp_smumgr *smumgr, uint32_t smc_start_address,
  65                                 const uint8_t *src, uint32_t byte_count, uint32_t limit);
  66
  67 #endif
  68