| /* Copyright (c) 2015-2017 The Linux Foundation. All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 and |
| * only version 2 as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #ifndef _SDE_CRTC_H_ |
| #define _SDE_CRTC_H_ |
| |
| #include "drm_crtc.h" |
| #include "msm_prop.h" |
| #include "sde_fence.h" |
| #include "sde_kms.h" |
| |
| #define SDE_CRTC_NAME_SIZE 12 |
| |
| /** |
| * struct sde_crtc_mixer: stores the map for each virtual pipeline in the CRTC |
| * @hw_lm: LM HW Driver context |
| * @hw_ctl: CTL Path HW driver context |
| * @hw_dspp: DSPP HW driver context |
| * @encoder: Encoder attached to this lm & ctl |
| * @mixer_op_mode: mixer blending operation mode |
| * @flush_mask: mixer flush mask for ctl, mixer and pipe |
| */ |
| struct sde_crtc_mixer { |
| struct sde_hw_mixer *hw_lm; |
| struct sde_hw_ctl *hw_ctl; |
| struct sde_hw_dspp *hw_dspp; |
| struct drm_encoder *encoder; |
| u32 mixer_op_mode; |
| u32 flush_mask; |
| }; |
| |
| /** |
| * struct sde_crtc - virtualized CRTC data structure |
| * @base : Base drm crtc structure |
| * @name : ASCII description of this crtc |
| * @num_ctls : Number of ctl paths in use |
| * @num_mixers : Number of mixers in use |
| * @mixer : List of active mixers |
| * @event : Pointer to last received drm vblank event. If there is a |
| * pending vblank event, this will be non-null. |
| * @pending : Whether or not an update is pending |
| * @vsync_count : Running count of received vsync events |
| * @drm_requested_vblank : Whether vblanks have been enabled in the encoder |
| * @property_info : Opaque structure for generic property support |
| * @property_defaults : Array of default values for generic property support |
| * @stage_cfg : H/w mixer stage configuration |
| * @debugfs_root : Parent of debugfs node |
| * @vblank_cb_count : count of vblank callback since last reset |
| * @vblank_cb_time : ktime at vblank count reset |
| * @vblank_refcount : reference count for vblank enable request |
| * @feature_list : list of color processing features supported on a crtc |
| * @active_list : list of color processing features are active |
| * @dirty_list : list of color processing features are dirty |
| * @crtc_lock : crtc lock around create, destroy and access. |
| */ |
| struct sde_crtc { |
| struct drm_crtc base; |
| char name[SDE_CRTC_NAME_SIZE]; |
| |
| /* HW Resources reserved for the crtc */ |
| u32 num_ctls; |
| u32 num_mixers; |
| struct sde_crtc_mixer mixers[CRTC_DUAL_MIXERS]; |
| |
| struct drm_pending_vblank_event *event; |
| u32 vsync_count; |
| |
| struct msm_property_info property_info; |
| struct msm_property_data property_data[CRTC_PROP_COUNT]; |
| struct drm_property_blob *blob_info; |
| |
| /* output fence support */ |
| struct sde_fence output_fence; |
| |
| struct sde_hw_stage_cfg stage_cfg; |
| struct dentry *debugfs_root; |
| |
| u32 vblank_cb_count; |
| ktime_t vblank_cb_time; |
| atomic_t vblank_refcount; |
| |
| struct list_head feature_list; |
| struct list_head active_list; |
| struct list_head dirty_list; |
| |
| struct mutex crtc_lock; |
| }; |
| |
| #define to_sde_crtc(x) container_of(x, struct sde_crtc, base) |
| |
| /** |
| * struct sde_crtc_state - sde container for atomic crtc state |
| * @base: Base drm crtc state structure |
| * @connectors : Currently associated drm connectors |
| * @num_connectors: Number of associated drm connectors |
| * @is_rt : Whether or not the current commit contains RT connectors |
| * @property_values: Current crtc property values |
| * @input_fence_timeout_ns : Cached input fence timeout, in ns |
| * @property_blobs: Reference pointers for blob properties |
| */ |
| struct sde_crtc_state { |
| struct drm_crtc_state base; |
| |
| struct drm_connector *connectors[MAX_CONNECTORS]; |
| int num_connectors; |
| bool is_rt; |
| |
| uint64_t property_values[CRTC_PROP_COUNT]; |
| uint64_t input_fence_timeout_ns; |
| struct drm_property_blob *property_blobs[CRTC_PROP_COUNT]; |
| }; |
| |
| #define to_sde_crtc_state(x) \ |
| container_of(x, struct sde_crtc_state, base) |
| |
| /** |
| * sde_crtc_get_property - query integer value of crtc property |
| * @S: Pointer to crtc state |
| * @X: Property index, from enum msm_mdp_crtc_property |
| * Returns: Integer value of requested property |
| */ |
| #define sde_crtc_get_property(S, X) \ |
| ((S) && ((X) < CRTC_PROP_COUNT) ? ((S)->property_values[(X)]) : 0) |
| |
| static inline int sde_crtc_mixer_width(struct sde_crtc *sde_crtc, |
| struct drm_display_mode *mode) |
| { |
| if (!sde_crtc || !mode) |
| return 0; |
| |
| return sde_crtc->num_mixers == CRTC_DUAL_MIXERS ? |
| mode->hdisplay / CRTC_DUAL_MIXERS : mode->hdisplay; |
| } |
| |
| static inline uint32_t get_crtc_split_width(struct drm_crtc *crtc) |
| { |
| struct drm_display_mode *mode; |
| struct sde_crtc *sde_crtc; |
| |
| if (!crtc) |
| return 0; |
| |
| sde_crtc = to_sde_crtc(crtc); |
| mode = &crtc->state->adjusted_mode; |
| return sde_crtc_mixer_width(sde_crtc, mode); |
| } |
| |
| /** |
| * sde_crtc_vblank - enable or disable vblanks for this crtc |
| * @crtc: Pointer to drm crtc object |
| * @en: true to enable vblanks, false to disable |
| */ |
| int sde_crtc_vblank(struct drm_crtc *crtc, bool en); |
| |
| /** |
| * sde_crtc_commit_kickoff - trigger kickoff of the commit for this crtc |
| * @crtc: Pointer to drm crtc object |
| */ |
| void sde_crtc_commit_kickoff(struct drm_crtc *crtc); |
| |
| /** |
| * sde_crtc_prepare_commit - callback to prepare for output fences |
| * @crtc: Pointer to drm crtc object |
| * @old_state: Pointer to drm crtc old state object |
| */ |
| void sde_crtc_prepare_commit(struct drm_crtc *crtc, |
| struct drm_crtc_state *old_state); |
| |
| /** |
| * sde_crtc_complete_commit - callback signalling completion of current commit |
| * @crtc: Pointer to drm crtc object |
| * @old_state: Pointer to drm crtc old state object |
| */ |
| void sde_crtc_complete_commit(struct drm_crtc *crtc, |
| struct drm_crtc_state *old_state); |
| |
| /** |
| * sde_crtc_init - create a new crtc object |
| * @dev: sde device |
| * @plane: base plane |
| * @Return: new crtc object or error |
| */ |
| struct drm_crtc *sde_crtc_init(struct drm_device *dev, struct drm_plane *plane); |
| |
| /** |
| * sde_crtc_cancel_pending_flip - complete flip for clients on lastclose |
| * @crtc: Pointer to drm crtc object |
| * @file: client to cancel's file handle |
| */ |
| void sde_crtc_cancel_pending_flip(struct drm_crtc *crtc, struct drm_file *file); |
| |
| /** |
| * sde_crtc_is_rt - query whether real time connectors are present on the crtc |
| * @crtc: Pointer to drm crtc structure |
| * Returns: True if a connector is present with real time constraints |
| */ |
| bool sde_crtc_is_rt(struct drm_crtc *crtc); |
| |
| #endif /* _SDE_CRTC_H_ */ |