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 }; 35 36 enum segment_order { 37 segment_order__na, 38 segment_order__contiguous, 39 segment_order__non_contiguous, 40 }; 41 42 struct dcn_hubbub_wm_set { 43 uint32_t wm_set; 44 uint32_t data_urgent; 45 uint32_t pte_meta_urgent; 46 uint32_t sr_enter; 47 uint32_t sr_exit; 48 uint32_t dram_clk_chanage; 49 }; 50 51 struct dcn_hubbub_wm { 52 struct dcn_hubbub_wm_set sets[4]; 53 }; 54 55 #ifdef CONFIG_DRM_AMD_DC_DCN2_0 56 enum 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 63 enum dcn_hubbub_page_table_block_size { 64 DCN_PAGE_TABLE_BLOCK_SIZE_4KB, 65 DCN_PAGE_TABLE_BLOCK_SIZE_64KB 66 }; 67 68 struct dcn_hubbub_phys_addr_config { 69 struct { 70 uint64_t fb_top; 71 uint64_t fb_offset; 72 uint64_t fb_base; 73 uint64_t agp_top; 74 uint64_t agp_bot; 75 uint64_t agp_base; 76 } system_aperture; 77 78 struct { 79 uint64_t page_table_start_addr; 80 uint64_t page_table_end_addr; 81 uint64_t page_table_base_addr; 82 } gart_config; 83 }; 84 85 struct dcn_hubbub_virt_addr_config { 86 uint64_t page_table_start_addr; 87 uint64_t page_table_end_addr; 88 enum dcn_hubbub_page_table_block_size page_table_block_size; 89 enum dcn_hubbub_page_table_depth page_table_depth; 90 uint64_t page_table_base_addr; 91 }; 92 93 struct hubbub_addr_config { 94 struct dcn_hubbub_phys_addr_config pa_config; 95 struct dcn_hubbub_virt_addr_config va_config; 96 struct { 97 uint64_t aperture_check_fault; 98 uint64_t generic_fault; 99 } default_addrs; 100 }; 101 102 #endif 103 struct hubbub_funcs { 104 void (*update_dchub)( 105 struct hubbub *hubbub, 106 struct dchub_init_data *dh_data); 107 108 #ifdef CONFIG_DRM_AMD_DC_DCN2_0 109 int (*init_dchub_sys_ctx)( 110 struct hubbub *hubbub, 111 struct dcn_hubbub_phys_addr_config *pa_config); 112 void (*init_vm_ctx)( 113 struct hubbub *hubbub, 114 struct dcn_hubbub_virt_addr_config *va_config, 115 int vmid); 116 117 #endif 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 void (*program_watermarks)( 140 struct hubbub *hubbub, 141 struct dcn_watermark_set *watermarks, 142 unsigned int refclk_mhz, 143 bool safe_to_lower); 144 }; 145 146 struct hubbub { 147 const struct hubbub_funcs *funcs; 148 struct dc_context *ctx; 149 }; 150 151 #endif 152