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 30 enum 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 37 enum segment_order { 38 segment_order__na, 39 segment_order__contiguous, 40 segment_order__non_contiguous, 41 }; 42 43 struct 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_change; 50 uint32_t usr_retrain; 51 uint32_t fclk_pstate_change; 52 }; 53 54 struct dcn_hubbub_wm { 55 struct dcn_hubbub_wm_set sets[4]; 56 }; 57 58 enum dcn_hubbub_page_table_depth { 59 DCN_PAGE_TABLE_DEPTH_1_LEVEL, 60 DCN_PAGE_TABLE_DEPTH_2_LEVEL, 61 DCN_PAGE_TABLE_DEPTH_3_LEVEL, 62 DCN_PAGE_TABLE_DEPTH_4_LEVEL 63 }; 64 65 enum dcn_hubbub_page_table_block_size { 66 DCN_PAGE_TABLE_BLOCK_SIZE_4KB = 0, 67 DCN_PAGE_TABLE_BLOCK_SIZE_64KB = 4, 68 DCN_PAGE_TABLE_BLOCK_SIZE_32KB = 3 69 }; 70 71 struct dcn_hubbub_phys_addr_config { 72 struct { 73 uint64_t fb_top; 74 uint64_t fb_offset; 75 uint64_t fb_base; 76 uint64_t agp_top; 77 uint64_t agp_bot; 78 uint64_t agp_base; 79 } system_aperture; 80 81 struct { 82 uint64_t page_table_start_addr; 83 uint64_t page_table_end_addr; 84 uint64_t page_table_base_addr; 85 } gart_config; 86 87 uint64_t page_table_default_page_addr; 88 }; 89 90 struct dcn_hubbub_virt_addr_config { 91 uint64_t page_table_start_addr; 92 uint64_t page_table_end_addr; 93 enum dcn_hubbub_page_table_block_size page_table_block_size; 94 enum dcn_hubbub_page_table_depth page_table_depth; 95 uint64_t page_table_base_addr; 96 }; 97 98 struct hubbub_addr_config { 99 struct dcn_hubbub_phys_addr_config pa_config; 100 struct dcn_hubbub_virt_addr_config va_config; 101 struct { 102 uint64_t aperture_check_fault; 103 uint64_t generic_fault; 104 } default_addrs; 105 }; 106 107 struct dcn_hubbub_state { 108 uint32_t vm_fault_addr_msb; 109 uint32_t vm_fault_addr_lsb; 110 uint32_t vm_error_status; 111 uint32_t vm_error_vmid; 112 uint32_t vm_error_pipe; 113 uint32_t vm_error_mode; 114 uint32_t test_debug_data; 115 uint32_t watermark_change_cntl; 116 uint32_t dram_state_cntl; 117 }; 118 119 struct hubbub_funcs { 120 void (*update_dchub)( 121 struct hubbub *hubbub, 122 struct dchub_init_data *dh_data); 123 124 int (*init_dchub_sys_ctx)( 125 struct hubbub *hubbub, 126 struct dcn_hubbub_phys_addr_config *pa_config); 127 void (*init_vm_ctx)( 128 struct hubbub *hubbub, 129 struct dcn_hubbub_virt_addr_config *va_config, 130 int vmid); 131 132 bool (*get_dcc_compression_cap)(struct hubbub *hubbub, 133 const struct dc_dcc_surface_param *input, 134 struct dc_surface_dcc_cap *output); 135 136 bool (*dcc_support_swizzle)( 137 enum swizzle_mode_values swizzle, 138 unsigned int bytes_per_element, 139 enum segment_order *segment_order_horz, 140 enum segment_order *segment_order_vert); 141 142 bool (*dcc_support_pixel_format)( 143 enum surface_pixel_format format, 144 unsigned int *bytes_per_element); 145 146 void (*wm_read_state)(struct hubbub *hubbub, 147 struct dcn_hubbub_wm *wm); 148 149 void (*get_dchub_ref_freq)(struct hubbub *hubbub, 150 unsigned int dccg_ref_freq_inKhz, 151 unsigned int *dchub_ref_freq_inKhz); 152 153 bool (*program_watermarks)( 154 struct hubbub *hubbub, 155 struct dcn_watermark_set *watermarks, 156 unsigned int refclk_mhz, 157 bool safe_to_lower); 158 159 bool (*is_allow_self_refresh_enabled)(struct hubbub *hubbub); 160 void (*allow_self_refresh_control)(struct hubbub *hubbub, bool allow); 161 162 bool (*verify_allow_pstate_change_high)(struct hubbub *hubbub); 163 164 void (*apply_DEDCN21_147_wa)(struct hubbub *hubbub); 165 166 void (*force_wm_propagate_to_pipes)(struct hubbub *hubbub); 167 168 void (*hubbub_read_state)(struct hubbub *hubbub, struct dcn_hubbub_state *hubbub_state); 169 170 void (*force_pstate_change_control)(struct hubbub *hubbub, bool force, bool allow); 171 172 void (*init_watermarks)(struct hubbub *hubbub); 173 174 /** 175 * @program_det_size: 176 * 177 * DE-Tile buffers (DET) is a memory that is used to convert the tiled 178 * data into linear, which the rest of the display can use to generate 179 * the graphics output. One of the main features of this component is 180 * that each pipe has a configurable DET buffer which means that when a 181 * pipe is not enabled, the device can assign the memory to other 182 * enabled pipes to try to be more efficient. 183 * 184 * DET logic is handled by dchubbub. Some ASICs provide a feature named 185 * Configurable Return Buffer (CRB) segments which can be allocated to 186 * compressed or detiled buffers. 187 */ 188 void (*program_det_size)(struct hubbub *hubbub, int hubp_inst, unsigned det_buffer_size_in_kbyte); 189 void (*program_compbuf_size)(struct hubbub *hubbub, unsigned compbuf_size_kb, bool safe_to_increase); 190 void (*init_crb)(struct hubbub *hubbub); 191 void (*force_usr_retraining_allow)(struct hubbub *hubbub, bool allow); 192 void (*set_request_limit)(struct hubbub *hubbub, int memory_channel_count, int words_per_channel); 193 void (*dchubbub_init)(struct hubbub *hubbub); 194 }; 195 196 struct hubbub { 197 const struct hubbub_funcs *funcs; 198 struct dc_context *ctx; 199 bool riommu_active; 200 }; 201 202 #endif 203