LXR linux/drivers/gpu/drm/amd/display/dc/inc/hw/dchubbub.h

   1/*
   2 * Copyright 2012-15 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 __DAL_DCHUBBUB_H__
  27#define __DAL_DCHUBBUB_H__
  28
  29
  30enum dcc_control {
  31        dcc_control__256_256_xxx,
  32        dcc_control__128_128_xxx,
  33        dcc_control__256_64_64,
  34        dcc_control__256_128_128,
  35};
  36
  37enum segment_order {
  38        segment_order__na,
  39        segment_order__contiguous,
  40        segment_order__non_contiguous,
  41};
  42
  43struct dcn_hubbub_wm_set {
  44        uint32_t wm_set;
  45        uint32_t data_urgent;
  46        uint32_t pte_meta_urgent;
  47        uint32_t sr_enter;
  48        uint32_t sr_exit;
  49        uint32_t dram_clk_chanage;
  50};
  51
  52struct dcn_hubbub_wm {
  53        struct dcn_hubbub_wm_set sets[4];
  54};
  55
  56enum dcn_hubbub_page_table_depth {
  57        DCN_PAGE_TABLE_DEPTH_1_LEVEL,
  58        DCN_PAGE_TABLE_DEPTH_2_LEVEL,
  59        DCN_PAGE_TABLE_DEPTH_3_LEVEL,
  60        DCN_PAGE_TABLE_DEPTH_4_LEVEL
  61};
  62
  63enum dcn_hubbub_page_table_block_size {
  64        DCN_PAGE_TABLE_BLOCK_SIZE_4KB = 0,
  65        DCN_PAGE_TABLE_BLOCK_SIZE_64KB = 4,
  66        DCN_PAGE_TABLE_BLOCK_SIZE_32KB = 3
  67};
  68
  69struct dcn_hubbub_phys_addr_config {
  70        struct {
  71                uint64_t fb_top;
  72                uint64_t fb_offset;
  73                uint64_t fb_base;
  74                uint64_t agp_top;
  75                uint64_t agp_bot;
  76                uint64_t agp_base;
  77        } system_aperture;
  78
  79        struct {
  80                uint64_t page_table_start_addr;
  81                uint64_t page_table_end_addr;
  82                uint64_t page_table_base_addr;
  83        } gart_config;
  84
  85        uint64_t page_table_default_page_addr;
  86};
  87
  88struct dcn_hubbub_virt_addr_config {
  89        uint64_t                                page_table_start_addr;
  90        uint64_t                                page_table_end_addr;
  91        enum dcn_hubbub_page_table_block_size   page_table_block_size;
  92        enum dcn_hubbub_page_table_depth        page_table_depth;
  93        uint64_t                                page_table_base_addr;
  94};
  95
  96struct hubbub_addr_config {
  97        struct dcn_hubbub_phys_addr_config pa_config;
  98        struct dcn_hubbub_virt_addr_config va_config;
  99        struct {
 100                uint64_t aperture_check_fault;
 101                uint64_t generic_fault;
 102        } default_addrs;
 103};
 104
 105struct hubbub_funcs {
 106        void (*update_dchub)(
 107                        struct hubbub *hubbub,
 108                        struct dchub_init_data *dh_data);
 109
 110        int (*init_dchub_sys_ctx)(
 111                        struct hubbub *hubbub,
 112                        struct dcn_hubbub_phys_addr_config *pa_config);
 113        void (*init_vm_ctx)(
 114                        struct hubbub *hubbub,
 115                        struct dcn_hubbub_virt_addr_config *va_config,
 116                        int vmid);
 117
 118        bool (*get_dcc_compression_cap)(struct hubbub *hubbub,
 119                        const struct dc_dcc_surface_param *input,
 120                        struct dc_surface_dcc_cap *output);
 121
 122        bool (*dcc_support_swizzle)(
 123                        enum swizzle_mode_values swizzle,
 124                        unsigned int bytes_per_element,
 125                        enum segment_order *segment_order_horz,
 126                        enum segment_order *segment_order_vert);
 127
 128        bool (*dcc_support_pixel_format)(
 129                        enum surface_pixel_format format,
 130                        unsigned int *bytes_per_element);
 131
 132        void (*wm_read_state)(struct hubbub *hubbub,
 133                        struct dcn_hubbub_wm *wm);
 134
 135        void (*get_dchub_ref_freq)(struct hubbub *hubbub,
 136                        unsigned int dccg_ref_freq_inKhz,
 137                        unsigned int *dchub_ref_freq_inKhz);
 138
 139        bool (*program_watermarks)(
 140                        struct hubbub *hubbub,
 141                        struct dcn_watermark_set *watermarks,
 142                        unsigned int refclk_mhz,
 143                        bool safe_to_lower);
 144
 145        bool (*is_allow_self_refresh_enabled)(struct hubbub *hubbub);
 146        void (*allow_self_refresh_control)(struct hubbub *hubbub, bool allow);
 147
 148        void (*apply_DEDCN21_147_wa)(struct hubbub *hubbub);
 149
 150        void (*force_wm_propagate_to_pipes)(struct hubbub *hubbub);
 151
 152        void (*force_pstate_change_control)(struct hubbub *hubbub, bool force, bool allow);
 153
 154        void (*init_watermarks)(struct hubbub *hubbub);
 155        void (*program_det_size)(struct hubbub *hubbub, int hubp_inst, unsigned det_buffer_size_in_kbyte);
 156        void (*program_compbuf_size)(struct hubbub *hubbub, unsigned compbuf_size_kb, bool safe_to_increase);
 157        void (*init_crb)(struct hubbub *hubbub);
 158};
 159
 160struct hubbub {
 161        const struct hubbub_funcs *funcs;
 162        struct dc_context *ctx;
 163        bool riommu_active;
 164};
 165
 166#endif
 167