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 * DOC: overview 31 * 32 * There is only one common DCHUBBUB. It contains the common request and return 33 * blocks for the Data Fabric Interface that are not clock/power gated. 34 */ 35 36 #include "dc/dc_hw_types.h" 37 38 enum dcc_control { 39 dcc_control__256_256_xxx, 40 dcc_control__128_128_xxx, 41 dcc_control__256_64_64, 42 dcc_control__256_128_128, 43 dcc_control__256_256, 44 dcc_control__256_128, 45 dcc_control__256_64, 46 47 }; 48 49 enum segment_order { 50 segment_order__na, 51 segment_order__contiguous, 52 segment_order__non_contiguous, 53 }; 54 55 struct dcn_hubbub_wm_set { 56 uint32_t wm_set; 57 uint32_t data_urgent; 58 uint32_t pte_meta_urgent; 59 uint32_t sr_enter; 60 uint32_t sr_exit; 61 uint32_t dram_clk_change; 62 uint32_t usr_retrain; 63 uint32_t fclk_pstate_change; 64 uint32_t sr_enter_exit_Z8; 65 uint32_t sr_enter_Z8; 66 }; 67 68 struct dcn_hubbub_wm { 69 struct dcn_hubbub_wm_set sets[4]; 70 }; 71 72 enum dcn_hubbub_page_table_depth { 73 DCN_PAGE_TABLE_DEPTH_1_LEVEL, 74 DCN_PAGE_TABLE_DEPTH_2_LEVEL, 75 DCN_PAGE_TABLE_DEPTH_3_LEVEL, 76 DCN_PAGE_TABLE_DEPTH_4_LEVEL 77 }; 78 79 enum dcn_hubbub_page_table_block_size { 80 DCN_PAGE_TABLE_BLOCK_SIZE_4KB = 0, 81 DCN_PAGE_TABLE_BLOCK_SIZE_8KB = 1, 82 DCN_PAGE_TABLE_BLOCK_SIZE_16KB = 2, 83 DCN_PAGE_TABLE_BLOCK_SIZE_32KB = 3, 84 DCN_PAGE_TABLE_BLOCK_SIZE_64KB = 4, 85 DCN_PAGE_TABLE_BLOCK_SIZE_128KB = 5, 86 DCN_PAGE_TABLE_BLOCK_SIZE_256KB = 6, 87 DCN_PAGE_TABLE_BLOCK_SIZE_512KB = 7, 88 DCN_PAGE_TABLE_BLOCK_SIZE_1024KB = 8, 89 DCN_PAGE_TABLE_BLOCK_SIZE_2048KB = 9 90 }; 91 92 struct dcn_hubbub_phys_addr_config { 93 struct { 94 uint64_t fb_top; 95 uint64_t fb_offset; 96 uint64_t fb_base; 97 uint64_t agp_top; 98 uint64_t agp_bot; 99 uint64_t agp_base; 100 } system_aperture; 101 102 struct { 103 uint64_t page_table_start_addr; 104 uint64_t page_table_end_addr; 105 uint64_t page_table_base_addr; 106 } gart_config; 107 108 uint64_t page_table_default_page_addr; 109 }; 110 111 struct dcn_hubbub_virt_addr_config { 112 uint64_t page_table_start_addr; 113 uint64_t page_table_end_addr; 114 enum dcn_hubbub_page_table_block_size page_table_block_size; 115 enum dcn_hubbub_page_table_depth page_table_depth; 116 uint64_t page_table_base_addr; 117 }; 118 119 struct hubbub_addr_config { 120 struct dcn_hubbub_phys_addr_config pa_config; 121 struct dcn_hubbub_virt_addr_config va_config; 122 struct { 123 uint64_t aperture_check_fault; 124 uint64_t generic_fault; 125 } default_addrs; 126 }; 127 128 struct dcn_hubbub_state { 129 uint32_t vm_fault_addr_msb; 130 uint32_t vm_fault_addr_lsb; 131 uint32_t vm_error_status; 132 uint32_t vm_error_vmid; 133 uint32_t vm_error_pipe; 134 uint32_t vm_error_mode; 135 uint32_t test_debug_data; 136 uint32_t watermark_change_cntl; 137 uint32_t dram_state_cntl; 138 }; 139 140 struct hubbub_funcs { 141 void (*update_dchub)( 142 struct hubbub *hubbub, 143 struct dchub_init_data *dh_data); 144 145 int (*init_dchub_sys_ctx)( 146 struct hubbub *hubbub, 147 struct dcn_hubbub_phys_addr_config *pa_config); 148 void (*init_vm_ctx)( 149 struct hubbub *hubbub, 150 struct dcn_hubbub_virt_addr_config *va_config, 151 int vmid); 152 153 bool (*get_dcc_compression_cap)(struct hubbub *hubbub, 154 const struct dc_dcc_surface_param *input, 155 struct dc_surface_dcc_cap *output); 156 157 bool (*dcc_support_swizzle)( 158 enum swizzle_mode_values swizzle, 159 unsigned int bytes_per_element, 160 enum segment_order *segment_order_horz, 161 enum segment_order *segment_order_vert); 162 163 bool (*dcc_support_swizzle_addr3)( 164 enum swizzle_mode_addr3_values swizzle, 165 unsigned int plane_pitch, 166 unsigned int bytes_per_element, 167 enum segment_order *segment_order_horz, 168 enum segment_order *segment_order_vert); 169 170 bool (*dcc_support_pixel_format_plane0_plane1)( 171 enum surface_pixel_format format, 172 unsigned int *plane0_bpe, 173 unsigned int *plane1_bpe); 174 bool (*dcc_support_pixel_format)( 175 enum surface_pixel_format format, 176 unsigned int *bytes_per_element); 177 178 void (*wm_read_state)(struct hubbub *hubbub, 179 struct dcn_hubbub_wm *wm); 180 181 void (*get_dchub_ref_freq)(struct hubbub *hubbub, 182 unsigned int dccg_ref_freq_inKhz, 183 unsigned int *dchub_ref_freq_inKhz); 184 185 bool (*program_watermarks)( 186 struct hubbub *hubbub, 187 union dcn_watermark_set *watermarks, 188 unsigned int refclk_mhz, 189 bool safe_to_lower); 190 191 bool (*is_allow_self_refresh_enabled)(struct hubbub *hubbub); 192 void (*allow_self_refresh_control)(struct hubbub *hubbub, bool allow); 193 194 bool (*verify_allow_pstate_change_high)(struct hubbub *hubbub); 195 196 void (*apply_DEDCN21_147_wa)(struct hubbub *hubbub); 197 198 void (*force_wm_propagate_to_pipes)(struct hubbub *hubbub); 199 200 void (*hubbub_read_state)(struct hubbub *hubbub, struct dcn_hubbub_state *hubbub_state); 201 202 void (*force_pstate_change_control)(struct hubbub *hubbub, bool force, bool allow); 203 204 void (*init_watermarks)(struct hubbub *hubbub); 205 206 /** 207 * @program_det_size: 208 * 209 * DE-Tile buffers (DET) is a memory that is used to convert the tiled 210 * data into linear, which the rest of the display can use to generate 211 * the graphics output. One of the main features of this component is 212 * that each pipe has a configurable DET buffer which means that when a 213 * pipe is not enabled, the device can assign the memory to other 214 * enabled pipes to try to be more efficient. 215 * 216 * DET logic is handled by dchubbub. Some ASICs provide a feature named 217 * Configurable Return Buffer (CRB) segments which can be allocated to 218 * compressed or detiled buffers. 219 */ 220 void (*program_det_size)(struct hubbub *hubbub, int hubp_inst, unsigned det_buffer_size_in_kbyte); 221 void (*wait_for_det_apply)(struct hubbub *hubbub, int hubp_inst); 222 void (*program_compbuf_size)(struct hubbub *hubbub, unsigned compbuf_size_kb, bool safe_to_increase); 223 void (*init_crb)(struct hubbub *hubbub); 224 void (*force_usr_retraining_allow)(struct hubbub *hubbub, bool allow); 225 void (*set_request_limit)(struct hubbub *hubbub, int memory_channel_count, int words_per_channel); 226 void (*dchubbub_init)(struct hubbub *hubbub); 227 void (*get_mall_en)(struct hubbub *hubbub, unsigned int *mall_in_use); 228 void (*program_det_segments)(struct hubbub *hubbub, int hubp_inst, unsigned det_buffer_size_seg); 229 void (*program_compbuf_segments)(struct hubbub *hubbub, unsigned compbuf_size_seg, bool safe_to_increase); 230 void (*wait_for_det_update)(struct hubbub *hubbub, int hubp_inst); 231 bool (*program_arbiter)(struct hubbub *hubbub, struct dml2_display_arb_regs *arb_regs, bool safe_to_lower); 232 }; 233 234 struct hubbub { 235 const struct hubbub_funcs *funcs; 236 struct dc_context *ctx; 237 bool riommu_active; 238 }; 239 240 #endif 241