diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/dc_link.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/dc/dc_link.h | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/dc_link.h b/drivers/gpu/drm/amd/display/dc/dc_link.h deleted file mode 100644 index f63fc25aa6c5..000000000000 --- a/drivers/gpu/drm/amd/display/dc/dc_link.h +++ /dev/null @@ -1,363 +0,0 @@ -/* - * Copyright 2012-14 Advanced Micro Devices, Inc. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR - * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, - * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR - * OTHER DEALINGS IN THE SOFTWARE. - * - * Authors: AMD - * - */ - -#ifndef DC_LINK_H_ -#define DC_LINK_H_ - -#include "dc.h" -#include "dc_types.h" -#include "grph_object_defs.h" - -enum dc_link_fec_state { - dc_link_fec_not_ready, - dc_link_fec_ready, - dc_link_fec_enabled -}; -struct dc_link_status { - bool link_active; - struct dpcd_caps *dpcd_caps; -}; - -/* DP MST stream allocation (payload bandwidth number) */ -struct link_mst_stream_allocation { - /* DIG front */ - const struct stream_encoder *stream_enc; - /* associate DRM payload table with DC stream encoder */ - uint8_t vcp_id; - /* number of slots required for the DP stream in transport packet */ - uint8_t slot_count; -}; - -/* DP MST stream allocation table */ -struct link_mst_stream_allocation_table { - /* number of DP video streams */ - int stream_count; - /* array of stream allocations */ - struct link_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM]; -}; - -struct time_stamp { - uint64_t edp_poweroff; - uint64_t edp_poweron; -}; - -struct link_trace { - struct time_stamp time_stamp; -}; - -/* PSR feature flags */ -struct psr_settings { - bool psr_feature_enabled; // PSR is supported by sink - bool psr_allow_active; // PSR is currently active - enum dc_psr_version psr_version; // Internal PSR version, determined based on DPCD - - /* These parameters are calculated in Driver, - * based on display timing and Sink capabilities. - * If VBLANK region is too small and Sink takes a long time - * to set up RFB, it may take an extra frame to enter PSR state. - */ - bool psr_frame_capture_indication_req; - unsigned int psr_sdp_transmit_line_num_deadline; -}; - -/* - * A link contains one or more sinks and their connected status. - * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported. - */ -struct dc_link { - struct dc_sink *remote_sinks[MAX_SINKS_PER_LINK]; - unsigned int sink_count; - struct dc_sink *local_sink; - unsigned int link_index; - enum dc_connection_type type; - enum signal_type connector_signal; - enum dc_irq_source irq_source_hpd; - enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */ - bool is_hpd_filter_disabled; - bool dp_ss_off; - bool link_state_valid; - bool aux_access_disabled; - bool sync_lt_in_progress; - bool is_lttpr_mode_transparent; - - /* caps is the same as reported_link_cap. link_traing use - * reported_link_cap. Will clean up. TODO - */ - struct dc_link_settings reported_link_cap; - struct dc_link_settings verified_link_cap; - struct dc_link_settings cur_link_settings; - struct dc_lane_settings cur_lane_setting; - struct dc_link_settings preferred_link_setting; - struct dc_link_training_overrides preferred_training_settings; - struct dp_audio_test_data audio_test_data; - - uint8_t ddc_hw_inst; - - uint8_t hpd_src; - - uint8_t link_enc_hw_inst; - - bool test_pattern_enabled; - union compliance_test_state compliance_test_state; - - void *priv; - - struct ddc_service *ddc; - - bool aux_mode; - - /* Private to DC core */ - - const struct dc *dc; - - struct dc_context *ctx; - - struct panel_cntl *panel_cntl; - struct link_encoder *link_enc; - struct graphics_object_id link_id; - union ddi_channel_mapping ddi_channel_mapping; - struct connector_device_tag_info device_tag; - struct dpcd_caps dpcd_caps; - uint32_t dongle_max_pix_clk; - unsigned short chip_caps; - unsigned int dpcd_sink_count; -#if defined(CONFIG_DRM_AMD_DC_HDCP) - struct hdcp_caps hdcp_caps; -#endif - enum edp_revision edp_revision; - union dpcd_sink_ext_caps dpcd_sink_ext_caps; - - struct psr_settings psr_settings; - - /* MST record stream using this link */ - struct link_flags { - bool dp_keep_receiver_powered; - bool dp_skip_DID2; - bool dp_skip_reset_segment; - } wa_flags; - struct link_mst_stream_allocation_table mst_stream_alloc_table; - - struct dc_link_status link_status; - - struct link_trace link_trace; - struct gpio *hpd_gpio; - enum dc_link_fec_state fec_state; -}; - -const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link); - -/** - * dc_get_link_at_index() - Return an enumerated dc_link. - * - * dc_link order is constant and determined at - * boot time. They cannot be created or destroyed. - * Use dc_get_caps() to get number of links. - */ -static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index) -{ - return dc->links[link_index]; -} - -static inline struct dc_link *get_edp_link(const struct dc *dc) -{ - int i; - - // report any eDP links, even unconnected DDI's - for (i = 0; i < dc->link_count; i++) { - if (dc->links[i]->connector_signal == SIGNAL_TYPE_EDP) - return dc->links[i]; - } - return NULL; -} - -/* Set backlight level of an embedded panel (eDP, LVDS). - * backlight_pwm_u16_16 is unsigned 32 bit with 16 bit integer - * and 16 bit fractional, where 1.0 is max backlight value. - */ -bool dc_link_set_backlight_level(const struct dc_link *dc_link, - uint32_t backlight_pwm_u16_16, - uint32_t frame_ramp); - -/* Set/get nits-based backlight level of an embedded panel (eDP, LVDS). */ -bool dc_link_set_backlight_level_nits(struct dc_link *link, - bool isHDR, - uint32_t backlight_millinits, - uint32_t transition_time_in_ms); - -bool dc_link_get_backlight_level_nits(struct dc_link *link, - uint32_t *backlight_millinits, - uint32_t *backlight_millinits_peak); - -bool dc_link_backlight_enable_aux(struct dc_link *link, bool enable); - -bool dc_link_read_default_bl_aux(struct dc_link *link, uint32_t *backlight_millinits); -bool dc_link_set_default_brightness_aux(struct dc_link *link); - -int dc_link_get_backlight_level(const struct dc_link *dc_link); - -int dc_link_get_target_backlight_pwm(const struct dc_link *link); - -bool dc_link_set_psr_allow_active(struct dc_link *dc_link, bool enable, bool wait); - -bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state); - -bool dc_link_setup_psr(struct dc_link *dc_link, - const struct dc_stream_state *stream, struct psr_config *psr_config, - struct psr_context *psr_context); - -/* Request DC to detect if there is a Panel connected. - * boot - If this call is during initial boot. - * Return false for any type of detection failure or MST detection - * true otherwise. True meaning further action is required (status update - * and OS notification). - */ -enum dc_detect_reason { - DETECT_REASON_BOOT, - DETECT_REASON_HPD, - DETECT_REASON_HPDRX, -}; - -bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason); -bool dc_link_get_hpd_state(struct dc_link *dc_link); -enum dc_status dc_link_allocate_mst_payload(struct pipe_ctx *pipe_ctx); -enum dc_status dc_link_reallocate_mst_payload(struct dc_link *link); - -/* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt). - * Return: - * true - Downstream port status changed. DM should call DC to do the - * detection. - * false - no change in Downstream port status. No further action required - * from DM. */ -bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link, - union hpd_irq_data *hpd_irq_dpcd_data, bool *out_link_loss); - -struct dc_sink_init_data; - -struct dc_sink *dc_link_add_remote_sink( - struct dc_link *dc_link, - const uint8_t *edid, - int len, - struct dc_sink_init_data *init_data); - -void dc_link_remove_remote_sink( - struct dc_link *link, - struct dc_sink *sink); - -/* Used by diagnostics for virtual link at the moment */ - -void dc_link_dp_set_drive_settings( - struct dc_link *link, - struct link_training_settings *lt_settings); - -bool dc_link_dp_perform_link_training_skip_aux( - struct dc_link *link, - const struct dc_link_settings *link_setting); - -enum link_training_result dc_link_dp_perform_link_training( - struct dc_link *link, - const struct dc_link_settings *link_setting, - bool skip_video_pattern); - -bool dc_link_dp_sync_lt_begin(struct dc_link *link); - -enum link_training_result dc_link_dp_sync_lt_attempt( - struct dc_link *link, - struct dc_link_settings *link_setting, - struct dc_link_training_overrides *lt_settings); - -bool dc_link_dp_sync_lt_end(struct dc_link *link, bool link_down); - -void dc_link_dp_enable_hpd(const struct dc_link *link); - -void dc_link_dp_disable_hpd(const struct dc_link *link); - -bool dc_link_dp_set_test_pattern( - struct dc_link *link, - enum dp_test_pattern test_pattern, - enum dp_test_pattern_color_space test_pattern_color_space, - const struct link_training_settings *p_link_settings, - const unsigned char *p_custom_pattern, - unsigned int cust_pattern_size); - -void dc_link_enable_hpd_filter(struct dc_link *link, bool enable); - -bool dc_link_is_dp_sink_present(struct dc_link *link); - -bool dc_link_detect_sink(struct dc_link *link, enum dc_connection_type *type); -/* - * DPCD access interfaces - */ - -#ifdef CONFIG_DRM_AMD_DC_HDCP -bool dc_link_is_hdcp14(struct dc_link *link); -bool dc_link_is_hdcp22(struct dc_link *link); -#endif -void dc_link_set_drive_settings(struct dc *dc, - struct link_training_settings *lt_settings, - const struct dc_link *link); -void dc_link_perform_link_training(struct dc *dc, - struct dc_link_settings *link_setting, - bool skip_video_pattern); -void dc_link_set_preferred_link_settings(struct dc *dc, - struct dc_link_settings *link_setting, - struct dc_link *link); -void dc_link_set_preferred_training_settings(struct dc *dc, - struct dc_link_settings *link_setting, - struct dc_link_training_overrides *lt_overrides, - struct dc_link *link, - bool skip_immediate_retrain); -void dc_link_enable_hpd(const struct dc_link *link); -void dc_link_disable_hpd(const struct dc_link *link); -void dc_link_set_test_pattern(struct dc_link *link, - enum dp_test_pattern test_pattern, - enum dp_test_pattern_color_space test_pattern_color_space, - const struct link_training_settings *p_link_settings, - const unsigned char *p_custom_pattern, - unsigned int cust_pattern_size); -uint32_t dc_link_bandwidth_kbps( - const struct dc_link *link, - const struct dc_link_settings *link_setting); - -const struct dc_link_settings *dc_link_get_link_cap( - const struct dc_link *link); - -void dc_link_overwrite_extended_receiver_cap( - struct dc_link *link); - -bool dc_submit_i2c( - struct dc *dc, - uint32_t link_index, - struct i2c_command *cmd); - -bool dc_submit_i2c_oem( - struct dc *dc, - struct i2c_command *cmd); - -uint32_t dc_bandwidth_in_kbps_from_timing( - const struct dc_crtc_timing *timing); - -bool dc_link_is_fec_supported(const struct dc_link *link); - -#endif /* DC_LINK_H_ */ |