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 struct hubbub_funcs { 56 void (*update_dchub)( 57 struct hubbub *hubbub, 58 struct dchub_init_data *dh_data); 59 60 bool (*get_dcc_compression_cap)(struct hubbub *hubbub, 61 const struct dc_dcc_surface_param *input, 62 struct dc_surface_dcc_cap *output); 63 64 bool (*dcc_support_swizzle)( 65 enum swizzle_mode_values swizzle, 66 unsigned int bytes_per_element, 67 enum segment_order *segment_order_horz, 68 enum segment_order *segment_order_vert); 69 70 bool (*dcc_support_pixel_format)( 71 enum surface_pixel_format format, 72 unsigned int *bytes_per_element); 73 74 void (*wm_read_state)(struct hubbub *hubbub, 75 struct dcn_hubbub_wm *wm); 76 77 void (*get_dchub_ref_freq)(struct hubbub *hubbub, 78 unsigned int dccg_ref_freq_inKhz, 79 unsigned int *dchub_ref_freq_inKhz); 80 81 void (*program_watermarks)( 82 struct hubbub *hubbub, 83 struct dcn_watermark_set *watermarks, 84 unsigned int refclk_mhz, 85 bool safe_to_lower); 86 }; 87 88 struct hubbub { 89 const struct hubbub_funcs *funcs; 90 struct dc_context *ctx; 91 }; 92 93 #endif 94