root/drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dccg.h

INCLUDED FROM

   1 /*
   2  * Copyright 2018 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 #ifndef __DCN20_DCCG_H__
  27 #define __DCN20_DCCG_H__
  28 
  29 #include "dccg.h"
  30 
  31 #define DCCG_COMMON_REG_LIST_DCN_BASE() \
  32         SR(DPPCLK_DTO_CTRL),\
  33         DCCG_SRII(DTO_PARAM, DPPCLK, 0),\
  34         DCCG_SRII(DTO_PARAM, DPPCLK, 1),\
  35         DCCG_SRII(DTO_PARAM, DPPCLK, 2),\
  36         DCCG_SRII(DTO_PARAM, DPPCLK, 3),\
  37         SR(REFCLK_CNTL)
  38 
  39 #define DCCG_REG_LIST_DCN2() \
  40         DCCG_COMMON_REG_LIST_DCN_BASE(),\
  41         DCCG_SRII(DTO_PARAM, DPPCLK, 4),\
  42         DCCG_SRII(DTO_PARAM, DPPCLK, 5)
  43 
  44 #define DCCG_SF(reg_name, field_name, post_fix)\
  45         .field_name = reg_name ## __ ## field_name ## post_fix
  46 
  47 #define DCCG_SFI(reg_name, field_name, field_prefix, inst, post_fix)\
  48         .field_prefix ## _ ## field_name[inst] = reg_name ## __ ## field_prefix ## inst ## _ ## field_name ## post_fix
  49 
  50 #define DCCG_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh) \
  51         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 0, mask_sh),\
  52         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 0, mask_sh),\
  53         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 1, mask_sh),\
  54         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 1, mask_sh),\
  55         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 2, mask_sh),\
  56         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 2, mask_sh),\
  57         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 3, mask_sh),\
  58         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 3, mask_sh),\
  59         DCCG_SF(DPPCLK0_DTO_PARAM, DPPCLK0_DTO_PHASE, mask_sh),\
  60         DCCG_SF(DPPCLK0_DTO_PARAM, DPPCLK0_DTO_MODULO, mask_sh),\
  61         DCCG_SF(REFCLK_CNTL, REFCLK_CLOCK_EN, mask_sh),\
  62         DCCG_SF(REFCLK_CNTL, REFCLK_SRC_SEL, mask_sh)
  63 
  64 #define DCCG_MASK_SH_LIST_DCN2(mask_sh) \
  65         DCCG_COMMON_MASK_SH_LIST_DCN_COMMON_BASE(mask_sh),\
  66         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 4, mask_sh),\
  67         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 4, mask_sh),\
  68         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_ENABLE, DPPCLK, 5, mask_sh),\
  69         DCCG_SFI(DPPCLK_DTO_CTRL, DTO_DB_EN, DPPCLK, 5, mask_sh)
  70 
  71 #define DCCG_REG_FIELD_LIST(type) \
  72         type DPPCLK0_DTO_PHASE;\
  73         type DPPCLK0_DTO_MODULO;\
  74         type DPPCLK_DTO_ENABLE[6];\
  75         type DPPCLK_DTO_DB_EN[6];\
  76         type REFCLK_CLOCK_EN;\
  77         type REFCLK_SRC_SEL;
  78 
  79 struct dccg_shift {
  80         DCCG_REG_FIELD_LIST(uint8_t)
  81 };
  82 
  83 struct dccg_mask {
  84         DCCG_REG_FIELD_LIST(uint32_t)
  85 };
  86 
  87 struct dccg_registers {
  88         uint32_t DPPCLK_DTO_CTRL;
  89         uint32_t DPPCLK_DTO_PARAM[6];
  90         uint32_t REFCLK_CNTL;
  91 };
  92 
  93 struct dcn_dccg {
  94         struct dccg base;
  95         const struct dccg_registers *regs;
  96         const struct dccg_shift *dccg_shift;
  97         const struct dccg_mask *dccg_mask;
  98 };
  99 
 100 void dccg2_update_dpp_dto(struct dccg *dccg, int dpp_inst, int req_dppclk, bool raise_divider_only);
 101 
 102 void dccg2_get_dccg_ref_freq(struct dccg *dccg,
 103                 unsigned int xtalin_freq_inKhz,
 104                 unsigned int *dccg_ref_freq_inKhz);
 105 
 106 void dccg2_init(struct dccg *dccg);
 107 
 108 struct dccg *dccg2_create(
 109         struct dc_context *ctx,
 110         const struct dccg_registers *regs,
 111         const struct dccg_shift *dccg_shift,
 112         const struct dccg_mask *dccg_mask);
 113 
 114 void dcn_dccg_destroy(struct dccg **dccg);
 115 
 116 #endif //__DCN20_DCCG_H__