2 * Copyright 2012-15 Advanced Micro Devices, Inc.
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9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
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15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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27 * This file defines helper functions provided by the Display Manager to
30 #ifndef __DM_HELPERS__
31 #define __DM_HELPERS__
36 struct dc_dp_mst_stream_allocation_table;
38 enum aux_return_code_type;
41 * Allocate memory accessible by the GPU
43 * frame buffer allocations must be aligned to a 4096-byte boundary
45 * Returns virtual address, sets addr to physical address
47 void *dm_helpers_allocate_gpu_mem(
48 struct dc_context *ctx,
49 enum dc_gpu_mem_alloc_type type,
54 * Free the GPU-accessible memory at the virtual address pvMem
56 void dm_helpers_free_gpu_mem(
57 struct dc_context *ctx,
58 enum dc_gpu_mem_alloc_type type,
61 enum dc_edid_status dm_helpers_parse_edid_caps(
63 const struct dc_edid *edid,
64 struct dc_edid_caps *edid_caps);
68 * Update DP branch info
70 void dm_helpers_dp_update_branch_info(
71 struct dc_context *ctx,
72 const struct dc_link *link);
75 * Writes payload allocation table in immediate downstream device.
77 bool dm_helpers_dp_mst_write_payload_allocation_table(
78 struct dc_context *ctx,
79 const struct dc_stream_state *stream,
80 struct dc_dp_mst_stream_allocation_table *proposed_table,
84 * poll pending down reply
86 void dm_helpers_dp_mst_poll_pending_down_reply(
87 struct dc_context *ctx,
88 const struct dc_link *link);
91 * Clear payload allocation table before enable MST DP link.
93 void dm_helpers_dp_mst_clear_payload_allocation_table(
94 struct dc_context *ctx,
95 const struct dc_link *link);
98 * Polls for ACT (allocation change trigger) handled and
100 enum act_return_status dm_helpers_dp_mst_poll_for_allocation_change_trigger(
101 struct dc_context *ctx,
102 const struct dc_stream_state *stream);
104 * Sends ALLOCATE_PAYLOAD message.
106 bool dm_helpers_dp_mst_send_payload_allocation(
107 struct dc_context *ctx,
108 const struct dc_stream_state *stream,
111 bool dm_helpers_dp_mst_start_top_mgr(
112 struct dc_context *ctx,
113 const struct dc_link *link,
116 bool dm_helpers_dp_mst_stop_top_mgr(
117 struct dc_context *ctx,
118 struct dc_link *link);
120 void dm_helpers_dp_mst_update_branch_bandwidth(
121 struct dc_context *ctx,
122 struct dc_link *link);
125 * OS specific aux read callback.
127 bool dm_helpers_dp_read_dpcd(
128 struct dc_context *ctx,
129 const struct dc_link *link,
135 * OS specific aux write callback.
137 bool dm_helpers_dp_write_dpcd(
138 struct dc_context *ctx,
139 const struct dc_link *link,
144 bool dm_helpers_submit_i2c(
145 struct dc_context *ctx,
146 const struct dc_link *link,
147 struct i2c_command *cmd);
149 bool dm_helpers_dp_write_dsc_enable(
150 struct dc_context *ctx,
151 const struct dc_stream_state *stream,
154 bool dm_helpers_is_dp_sink_present(
155 struct dc_link *link);
157 void dm_helpers_mst_enable_stream_features(const struct dc_stream_state *stream);
159 enum dc_edid_status dm_helpers_read_local_edid(
160 struct dc_context *ctx,
161 struct dc_link *link,
162 struct dc_sink *sink);
164 bool dm_helpers_dp_handle_test_pattern_request(
165 struct dc_context *ctx,
166 const struct dc_link *link,
167 union link_test_pattern dpcd_test_pattern,
168 union test_misc dpcd_test_params);
170 void dm_set_dcn_clocks(
171 struct dc_context *ctx,
172 struct dc_clocks *clks);
174 void dm_helpers_enable_periodic_detection(struct dc_context *ctx, bool enable);
176 void dm_set_phyd32clk(struct dc_context *ctx, int freq_khz);
178 bool dm_helpers_dmub_outbox_interrupt_control(struct dc_context *ctx, bool enable);
180 void dm_helpers_smu_timeout(struct dc_context *ctx, unsigned int msg_id, unsigned int param, unsigned int timeout_us);
182 // 0x1 = Result_OK, 0xFE = Result_UnkmownCmd, 0x0 = Status_Busy
183 #define IS_SMU_TIMEOUT(result) \
185 void dm_helpers_init_panel_settings(
186 struct dc_context *ctx,
187 struct dc_panel_config *config,
188 struct dc_sink *sink);
189 void dm_helpers_override_panel_settings(
190 struct dc_context *ctx,
191 struct dc_panel_config *config);
192 int dm_helper_dmub_aux_transfer_sync(
193 struct dc_context *ctx,
194 const struct dc_link *link,
195 struct aux_payload *payload,
196 enum aux_return_code_type *operation_result);
197 enum set_config_status;
198 int dm_helpers_dmub_set_config_sync(struct dc_context *ctx,
199 const struct dc_link *link,
200 struct set_config_cmd_payload *payload,
201 enum set_config_status *operation_result);
202 enum adaptive_sync_type dm_get_adaptive_sync_support_type(struct dc_link *link);
204 enum dc_edid_status dm_helpers_get_sbios_edid(struct dc_link *link, struct dc_edid *edid);
206 #endif /* __DM_HELPERS__ */