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1/*2 * Copyright 2012-15 Advanced Micro Devices, Inc.3 *4 * Permission is hereby granted, free of charge, to any person obtaining a5 * copy of this software and associated documentation files (the "Software"),6 * to deal in the Software without restriction, including without limitation7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,8 * and/or sell copies of the Software, and to permit persons to whom the9 * Software is furnished to do so, subject to the following conditions:10 *11 * The above copyright notice and this permission notice shall be included in12 * all copies or substantial portions of the Software.13 *14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR18 * 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 OR20 * OTHER DEALINGS IN THE SOFTWARE.21 *22 * Authors: AMD23 *24 */25 26/**27 * This file defines helper functions provided by the Display Manager to28 * Display Core.29 */30#ifndef __DM_HELPERS__31#define __DM_HELPERS__32 33#include "dc_types.h"34#include "dc.h"35 36struct dc_dp_mst_stream_allocation_table;37struct aux_payload;38enum aux_return_code_type;39enum set_config_status;40 41/*42 * Allocate memory accessible by the GPU43 *44 * frame buffer allocations must be aligned to a 4096-byte boundary45 *46 * Returns virtual address, sets addr to physical address47 */48void *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 pvMem56 */57void dm_helpers_free_gpu_mem(58 struct dc_context *ctx,59 enum dc_gpu_mem_alloc_type type,60 void *pvMem);61 62enum 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 info70 */71void 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 */78bool 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 reply86 */87void 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 */94void 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 and100 */101enum 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 */107void 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 variables113 */114void dm_helpers_dp_mst_update_mst_mgr_for_deallocation(115 struct dc_context *ctx,116 const struct dc_stream_state *stream);117 118bool dm_helpers_dp_mst_start_top_mgr(119 struct dc_context *ctx,120 const struct dc_link *link,121 bool boot);122 123bool dm_helpers_dp_mst_stop_top_mgr(124 struct dc_context *ctx,125 struct dc_link *link);126 127void 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 */134bool 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 */144bool 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 151bool dm_helpers_submit_i2c(152 struct dc_context *ctx,153 const struct dc_link *link,154 struct i2c_command *cmd);155 156bool dm_helpers_dp_write_dsc_enable(157 struct dc_context *ctx,158 const struct dc_stream_state *stream,159 bool enable160);161bool dm_helpers_is_dp_sink_present(162 struct dc_link *link);163 164void dm_helpers_mst_enable_stream_features(const struct dc_stream_state *stream);165 166enum dc_edid_status dm_helpers_read_local_edid(167 struct dc_context *ctx,168 struct dc_link *link,169 struct dc_sink *sink);170 171bool dm_helpers_dp_handle_test_pattern_request(172 struct dc_context *ctx,173 const struct dc_link *link,174 union link_test_pattern dpcd_test_pattern,175 union test_misc dpcd_test_params);176 177void dm_set_dcn_clocks(178 struct dc_context *ctx,179 struct dc_clocks *clks);180 181void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable);182 183void dm_set_phyd32clk(struct dc_context *ctx, int freq_khz);184 185bool dm_helpers_dmub_outbox_interrupt_control(struct dc_context *ctx, bool enable);186 187void dm_helpers_smu_timeout(struct dc_context *ctx, unsigned int msg_id, unsigned int param, unsigned int timeout_us);188 189// 0x1 = Result_OK, 0xFE = Result_UnkmownCmd, 0x0 = Status_Busy190#define IS_SMU_TIMEOUT(result) \191 (result == 0x0)192void dm_helpers_init_panel_settings(193 struct dc_context *ctx,194 struct dc_panel_config *config,195 struct dc_sink *sink);196void dm_helpers_override_panel_settings(197 struct dc_context *ctx,198 struct dc_panel_config *config);199int dm_helper_dmub_aux_transfer_sync(200 struct dc_context *ctx,201 const struct dc_link *link,202 struct aux_payload *payload,203 enum aux_return_code_type *operation_result);204 205int dm_helpers_dmub_set_config_sync(struct dc_context *ctx,206 const struct dc_link *link,207 struct set_config_cmd_payload *payload,208 enum set_config_status *operation_result);209enum adaptive_sync_type dm_get_adaptive_sync_support_type(struct dc_link *link);210 211enum dc_edid_status dm_helpers_get_sbios_edid(struct dc_link *link, struct dc_edid *edid);212 213bool dm_helpers_is_fullscreen(struct dc_context *ctx, struct dc_stream_state *stream);214bool dm_helpers_is_hdr_on(struct dc_context *ctx, struct dc_stream_state *stream);215 216#endif /* __DM_HELPERS__ */217