/* * Copyright 2015 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 __AMDGPU_DM_H__ #define __AMDGPU_DM_H__ #include #include #include #include #include /* * This file contains the definition for amdgpu_display_manager * and its API for amdgpu driver's use. * This component provides all the display related functionality * and this is the only component that calls DAL API. * The API contained here intended for amdgpu driver use. * The API that is called directly from KMS framework is located * in amdgpu_dm_kms.h file */ #define AMDGPU_DM_MAX_DISPLAY_INDEX 31 /* #include "include/amdgpu_dal_power_if.h" #include "amdgpu_dm_irq.h" */ #include "irq_types.h" #include "signal_types.h" #include "amdgpu_dm_crc.h" /* Forward declarations */ struct amdgpu_device; struct drm_device; struct amdgpu_dm_irq_handler_data; struct dc; struct common_irq_params { struct amdgpu_device *adev; enum dc_irq_source irq_src; }; /** * struct irq_list_head - Linked-list for low context IRQ handlers. * * @head: The list_head within &struct handler_data * @work: A work_struct containing the deferred handler work */ struct irq_list_head { struct list_head head; /* In case this interrupt needs post-processing, 'work' will be queued*/ struct work_struct work; }; /** * struct dm_compressor_info - Buffer info used by frame buffer compression * @cpu_addr: MMIO cpu addr * @bo_ptr: Pointer to the buffer object * @gpu_addr: MMIO gpu addr */ struct dm_comressor_info { void *cpu_addr; struct amdgpu_bo *bo_ptr; uint64_t gpu_addr; }; /** * struct amdgpu_dm_backlight_caps - Usable range of backlight values from ACPI * @min_input_signal: minimum possible input in range 0-255 * @max_input_signal: maximum possible input in range 0-255 * @caps_valid: true if these values are from the ACPI interface */ struct amdgpu_dm_backlight_caps { int min_input_signal; int max_input_signal; bool caps_valid; }; /** * struct amdgpu_display_manager - Central amdgpu display manager device * * @dc: Display Core control structure * @adev: AMDGPU base driver structure * @ddev: DRM base driver structure * @display_indexes_num: Max number of display streams supported * @irq_handler_list_table_lock: Synchronizes access to IRQ tables * @backlight_dev: Backlight control device * @cached_state: Caches device atomic state for suspend/resume * @compressor: Frame buffer compression buffer. See &struct dm_comressor_info */ struct amdgpu_display_manager { struct dc *dc; /** * @cgs_device: * * The Common Graphics Services device. It provides an interface for * accessing registers. */ struct cgs_device *cgs_device; struct amdgpu_device *adev; struct drm_device *ddev; u16 display_indexes_num; /** * @atomic_obj * * In combination with &dm_atomic_state it helps manage * global atomic state that doesn't map cleanly into existing * drm resources, like &dc_context. */ struct drm_private_obj atomic_obj; /** * @dc_lock: * * Guards access to DC functions that can issue register write * sequences. */ struct mutex dc_lock; /** * @audio_lock: * * Guards access to audio instance changes. */ struct mutex audio_lock; /** * @audio_component: * * Used to notify ELD changes to sound driver. */ struct drm_audio_component *audio_component; /** * @audio_registered: * * True if the audio component has been registered * successfully, false otherwise. */ bool audio_registered; /** * @irq_handler_list_low_tab: * * Low priority IRQ handler table. * * It is a n*m table consisting of n IRQ sources, and m handlers per IRQ * source. Low priority IRQ handlers are deferred to a workqueue to be * processed. Hence, they can sleep. * * Note that handlers are called in the same order as they were * registered (FIFO). */ struct irq_list_head irq_handler_list_low_tab[DAL_IRQ_SOURCES_NUMBER]; /** * @irq_handler_list_high_tab: * * High priority IRQ handler table. * * It is a n*m table, same as &irq_handler_list_low_tab. However, * handlers in this table are not deferred and are called immediately. */ struct list_head irq_handler_list_high_tab[DAL_IRQ_SOURCES_NUMBER]; /** * @pflip_params: * * Page flip IRQ parameters, passed to registered handlers when * triggered. */ struct common_irq_params pflip_params[DC_IRQ_SOURCE_PFLIP_LAST - DC_IRQ_SOURCE_PFLIP_FIRST + 1]; /** * @vblank_params: * * Vertical blanking IRQ parameters, passed to registered handlers when * triggered. */ struct common_irq_params vblank_params[DC_IRQ_SOURCE_VBLANK6 - DC_IRQ_SOURCE_VBLANK1 + 1]; /** * @vupdate_params: * * Vertical update IRQ parameters, passed to registered handlers when * triggered. */ struct common_irq_params vupdate_params[DC_IRQ_SOURCE_VUPDATE6 - DC_IRQ_SOURCE_VUPDATE1 + 1]; spinlock_t irq_handler_list_table_lock; struct backlight_device *backlight_dev; const struct dc_link *backlight_link; struct amdgpu_dm_backlight_caps backlight_caps; struct mod_freesync *freesync_module; struct drm_atomic_state *cached_state; struct dm_comressor_info compressor; const struct firmware *fw_dmcu; uint32_t dmcu_fw_version; #ifdef CONFIG_DRM_AMD_DC_DCN2_0 /** * gpu_info FW provided soc bounding box struct or 0 if not * available in FW */ const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box; #endif }; struct amdgpu_dm_connector { struct drm_connector base; uint32_t connector_id; /* we need to mind the EDID between detect and get modes due to analog/digital/tvencoder */ struct edid *edid; /* shared with amdgpu */ struct amdgpu_hpd hpd; /* number of modes generated from EDID at 'dc_sink' */ int num_modes; /* The 'old' sink - before an HPD. * The 'current' sink is in dc_link->sink. */ struct dc_sink *dc_sink; struct dc_link *dc_link; struct dc_sink *dc_em_sink; /* DM only */ struct drm_dp_mst_topology_mgr mst_mgr; struct amdgpu_dm_dp_aux dm_dp_aux; struct drm_dp_mst_port *port; struct amdgpu_dm_connector *mst_port; struct amdgpu_encoder *mst_encoder; /* TODO see if we can merge with ddc_bus or make a dm_connector */ struct amdgpu_i2c_adapter *i2c; /* Monitor range limits */ int min_vfreq ; int max_vfreq ; int pixel_clock_mhz; /* Audio instance - protected by audio_lock. */ int audio_inst; struct mutex hpd_lock; bool fake_enable; #ifdef CONFIG_DEBUG_FS uint32_t debugfs_dpcd_address; uint32_t debugfs_dpcd_size; #endif }; #define to_amdgpu_dm_connector(x) container_of(x, struct amdgpu_dm_connector, base) extern const struct amdgpu_ip_block_version dm_ip_block; struct amdgpu_framebuffer; struct amdgpu_display_manager; struct dc_validation_set; struct dc_plane_state; struct dm_plane_state { struct drm_plane_state base; struct dc_plane_state *dc_state; }; struct dm_crtc_state { struct drm_crtc_state base; struct dc_stream_state *stream; bool cm_has_degamma; bool cm_is_degamma_srgb; int update_type; int active_planes; bool interrupts_enabled; int crc_skip_count; enum amdgpu_dm_pipe_crc_source crc_src; bool freesync_timing_changed; bool freesync_vrr_info_changed; bool vrr_supported; struct mod_freesync_config freesync_config; struct mod_vrr_params vrr_params; struct dc_info_packet vrr_infopacket; int abm_level; }; #define to_dm_crtc_state(x) container_of(x, struct dm_crtc_state, base) struct dm_atomic_state { struct drm_private_state base; struct dc_state *context; }; #define to_dm_atomic_state(x) container_of(x, struct dm_atomic_state, base) struct dm_connector_state { struct drm_connector_state base; enum amdgpu_rmx_type scaling; uint8_t underscan_vborder; uint8_t underscan_hborder; bool underscan_enable; bool freesync_capable; uint8_t abm_level; }; #define to_dm_connector_state(x)\ container_of((x), struct dm_connector_state, base) void amdgpu_dm_connector_funcs_reset(struct drm_connector *connector); struct drm_connector_state * amdgpu_dm_connector_atomic_duplicate_state(struct drm_connector *connector); int amdgpu_dm_connector_atomic_set_property(struct drm_connector *connector, struct drm_connector_state *state, struct drm_property *property, uint64_t val); int amdgpu_dm_connector_atomic_get_property(struct drm_connector *connector, const struct drm_connector_state *state, struct drm_property *property, uint64_t *val); int amdgpu_dm_get_encoder_crtc_mask(struct amdgpu_device *adev); void amdgpu_dm_connector_init_helper(struct amdgpu_display_manager *dm, struct amdgpu_dm_connector *aconnector, int connector_type, struct dc_link *link, int link_index); enum drm_mode_status amdgpu_dm_connector_mode_valid(struct drm_connector *connector, struct drm_display_mode *mode); void dm_restore_drm_connector_state(struct drm_device *dev, struct drm_connector *connector); void amdgpu_dm_update_freesync_caps(struct drm_connector *connector, struct edid *edid); #define MAX_COLOR_LUT_ENTRIES 4096 /* Legacy gamm LUT users such as X doesn't like large LUT sizes */ #define MAX_COLOR_LEGACY_LUT_ENTRIES 256 void amdgpu_dm_init_color_mod(void); int amdgpu_dm_update_crtc_color_mgmt(struct dm_crtc_state *crtc); int amdgpu_dm_update_plane_color_mgmt(struct dm_crtc_state *crtc, struct dc_plane_state *dc_plane_state); extern const struct drm_encoder_helper_funcs amdgpu_dm_encoder_helper_funcs; #endif /* __AMDGPU_DM_H__ */