drivers/gpu/drm/amd/display/dmub/src/dmub_dcn21.c

   1 /*
   2  * Copyright 2019 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  * Authors: AMD
  23  *
  24  */
  25
  26 #include "../inc/dmub_srv.h"
  27 #include "dmub_reg.h"
  28 #include "dmub_dcn21.h"
  29
  30 #include "dcn/dcn_2_1_0_offset.h"
  31 #include "dcn/dcn_2_1_0_sh_mask.h"
  32 #include "renoir_ip_offset.h"
  33
  34 #define BASE_INNER(seg) DMU_BASE__INST0_SEG##seg
  35 #define CTX dmub
  36 #define REGS dmub->regs
  37
  38 /* Registers. */
  39
  40 const struct dmub_srv_common_regs dmub_srv_dcn21_regs = {
  41 #define DMUB_SR(reg) REG_OFFSET(reg),
  42         { DMUB_COMMON_REGS() },
  43 #undef DMUB_SR
  44
  45 #define DMUB_SF(reg, field) FD_MASK(reg, field),
  46         { DMUB_COMMON_FIELDS() },
  47 #undef DMUB_SF
  48
  49 #define DMUB_SF(reg, field) FD_SHIFT(reg, field),
  50         { DMUB_COMMON_FIELDS() },
  51 #undef DMUB_SF
  52 };
  53
  54 /* Shared functions. */
  55
  56 bool dmub_dcn21_is_auto_load_done(struct dmub_srv *dmub)
  57 {
  58         return (REG_READ(DMCUB_SCRATCH0) == 3);
  59 }
  60
  61 bool dmub_dcn21_is_phy_init(struct dmub_srv *dmub)
  62 {
  63         return REG_READ(DMCUB_SCRATCH10) == 0;
  64 }