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 /** 27 * This file defines helper functions provided by the Display Manager to 28 * Display Core. 29 */ 30 #ifndef __DM_HELPERS__ 31 #define __DM_HELPERS__ 32 33 #include "dc_types.h" 34 #include "dc.h" 35 36 struct dc_dp_mst_stream_allocation_table; 37 struct aux_payload; 38 enum aux_return_code_type; 39 enum set_config_status; 40 41 /* 42 * Allocate memory accessible by the GPU 43 * 44 * frame buffer allocations must be aligned to a 4096-byte boundary 45 * 46 * Returns virtual address, sets addr to physical address 47 */ 48 void *dm_helpers_allocate_gpu_mem( 49 struct dc_context *ctx, 50 enum dc_gpu_mem_alloc_type type, 51 size_t size, 52 long long *addr); 53 54 /* 55 * Free the GPU-accessible memory at the virtual address pvMem 56 */ 57 void dm_helpers_free_gpu_mem( 58 struct dc_context *ctx, 59 enum dc_gpu_mem_alloc_type type, 60 void *pvMem); 61 62 enum dc_edid_status dm_helpers_parse_edid_caps( 63 struct dc_link *link, 64 const struct dc_edid *edid, 65 struct dc_edid_caps *edid_caps); 66 67 68 /* 69 * Update DP branch info 70 */ 71 void dm_helpers_dp_update_branch_info( 72 struct dc_context *ctx, 73 const struct dc_link *link); 74 75 /* 76 * Writes payload allocation table in immediate downstream device. 77 */ 78 bool dm_helpers_dp_mst_write_payload_allocation_table( 79 struct dc_context *ctx, 80 const struct dc_stream_state *stream, 81 struct dc_dp_mst_stream_allocation_table *proposed_table, 82 bool enable); 83 84 /* 85 * poll pending down reply 86 */ 87 void dm_helpers_dp_mst_poll_pending_down_reply( 88 struct dc_context *ctx, 89 const struct dc_link *link); 90 91 /* 92 * Clear payload allocation table before enable MST DP link. 93 */ 94 void dm_helpers_dp_mst_clear_payload_allocation_table( 95 struct dc_context *ctx, 96 const struct dc_link *link); 97 98 /* 99 * Polls for ACT (allocation change trigger) handled and 100 */ 101 enum act_return_status dm_helpers_dp_mst_poll_for_allocation_change_trigger( 102 struct dc_context *ctx, 103 const struct dc_stream_state *stream); 104 /* 105 * Sends ALLOCATE_PAYLOAD message. 106 */ 107 void dm_helpers_dp_mst_send_payload_allocation( 108 struct dc_context *ctx, 109 const struct dc_stream_state *stream); 110 111 /* 112 * Update mst manager relevant variables 113 */ 114 void dm_helpers_dp_mst_update_mst_mgr_for_deallocation( 115 struct dc_context *ctx, 116 const struct dc_stream_state *stream); 117 118 bool dm_helpers_dp_mst_start_top_mgr( 119 struct dc_context *ctx, 120 const struct dc_link *link, 121 bool boot); 122 123 bool dm_helpers_dp_mst_stop_top_mgr( 124 struct dc_context *ctx, 125 struct dc_link *link); 126 127 void dm_helpers_dp_mst_update_branch_bandwidth( 128 struct dc_context *ctx, 129 struct dc_link *link); 130 131 /** 132 * OS specific aux read callback. 133 */ 134 bool dm_helpers_dp_read_dpcd( 135 struct dc_context *ctx, 136 const struct dc_link *link, 137 uint32_t address, 138 uint8_t *data, 139 uint32_t size); 140 141 /** 142 * OS specific aux write callback. 143 */ 144 bool dm_helpers_dp_write_dpcd( 145 struct dc_context *ctx, 146 const struct dc_link *link, 147 uint32_t address, 148 const uint8_t *data, 149 uint32_t size); 150 151 bool dm_helpers_submit_i2c( 152 struct dc_context *ctx, 153 const struct dc_link *link, 154 struct i2c_command *cmd); 155 156 bool dm_helpers_execute_fused_io( 157 struct dc_context *ctx, 158 struct dc_link *link, 159 union dmub_rb_cmd *commands, 160 uint8_t count, 161 uint32_t timeout_us 162 ); 163 164 bool dm_helpers_dp_write_dsc_enable( 165 struct dc_context *ctx, 166 const struct dc_stream_state *stream, 167 bool enable 168 ); 169 170 bool dm_helpers_dp_write_hblank_reduction( 171 struct dc_context *ctx, 172 const struct dc_stream_state *stream); 173 174 bool dm_helpers_is_dp_sink_present( 175 struct dc_link *link); 176 177 void dm_helpers_mst_enable_stream_features(const struct dc_stream_state *stream); 178 179 enum dc_edid_status dm_helpers_read_local_edid( 180 struct dc_context *ctx, 181 struct dc_link *link, 182 struct dc_sink *sink); 183 184 bool dm_helpers_dp_handle_test_pattern_request( 185 struct dc_context *ctx, 186 const struct dc_link *link, 187 union link_test_pattern dpcd_test_pattern, 188 union test_misc dpcd_test_params); 189 190 void dm_set_dcn_clocks( 191 struct dc_context *ctx, 192 struct dc_clocks *clks); 193 194 void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable); 195 196 void dm_set_phyd32clk(struct dc_context *ctx, int freq_khz); 197 198 bool dm_helpers_dmub_outbox_interrupt_control(struct dc_context *ctx, bool enable); 199 200 void dm_helpers_smu_timeout(struct dc_context *ctx, unsigned int msg_id, unsigned int param, unsigned int timeout_us); 201 202 // 0x1 = Result_OK, 0xFE = Result_UnkmownCmd, 0x0 = Status_Busy 203 #define IS_SMU_TIMEOUT(result) \ 204 (result == 0x0) 205 void dm_helpers_init_panel_settings( 206 struct dc_context *ctx, 207 struct dc_panel_config *config, 208 struct dc_sink *sink); 209 void dm_helpers_override_panel_settings( 210 struct dc_context *ctx, 211 struct dc_panel_config *config); 212 int dm_helper_dmub_aux_transfer_sync( 213 struct dc_context *ctx, 214 const struct dc_link *link, 215 struct aux_payload *payload, 216 enum aux_return_code_type *operation_result); 217 218 int dm_helpers_dmub_set_config_sync(struct dc_context *ctx, 219 const struct dc_link *link, 220 struct set_config_cmd_payload *payload, 221 enum set_config_status *operation_result); 222 enum adaptive_sync_type dm_get_adaptive_sync_support_type(struct dc_link *link); 223 224 enum dc_edid_status dm_helpers_get_sbios_edid(struct dc_link *link, struct dc_edid *edid); 225 226 bool dm_helpers_is_fullscreen(struct dc_context *ctx, struct dc_stream_state *stream); 227 bool dm_helpers_is_hdr_on(struct dc_context *ctx, struct dc_stream_state *stream); 228 229 #endif /* __DM_HELPERS__ */ 230