| /* Copyright (c) 2015-2016, 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" |
| |
| #define CRTC_DUAL_MIXERS 2 |
| #define PENDING_FLIP 2 |
| /* worst case one frame wait time based on 30 FPS : 33.33ms*/ |
| #define CRTC_MAX_WAIT_ONE_FRAME 34 |
| #define CRTC_HW_MIXER_MAXSTAGES(c, idx) ((c)->mixer[idx].sblk->maxblendstages) |
| |
| /** |
| * struct sde_crtc_mixer - stores the map for each virtual pipeline in the CRTC |
| * @hw_dspp : DSPP HW Driver context |
| * @hw_lm : LM HW Driver context |
| * @hw_ctl : CTL Path HW driver context |
| * @intf_idx : Interface idx |
| * @mode : Interface mode Active/CMD |
| * @flush_mask : Flush mask value for this commit |
| */ |
| struct sde_crtc_mixer { |
| struct sde_hw_dspp *hw_dspp; |
| struct sde_hw_mixer *hw_lm; |
| struct sde_hw_ctl *hw_ctl; |
| enum sde_intf intf_idx; |
| enum sde_intf_mode mode; |
| u32 flush_mask; |
| }; |
| |
| /** |
| * struct sde_crtc - virtualized CRTC data structure |
| * @base : Base drm crtc structure |
| * @name : ASCII description of this crtc |
| * @encoder : Associated drm encoder object |
| * @id : Unique crtc identifier |
| * @lm_lock : LM register access spinlock |
| * @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 |
| * @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 |
| */ |
| struct sde_crtc { |
| struct drm_crtc base; |
| char name[8]; |
| struct drm_encoder *encoder; |
| int id; |
| |
| spinlock_t lm_lock; /* protect registers */ |
| |
| /* HW Resources reserved for the crtc */ |
| u32 num_ctls; |
| u32 num_mixers; |
| struct sde_crtc_mixer mixer[CRTC_DUAL_MIXERS]; |
| |
| /*if there is a pending flip, these will be non-null */ |
| struct drm_pending_vblank_event *event; |
| atomic_t pending; |
| u32 vsync_count; |
| bool drm_requested_vblank; |
| }; |
| |
| #define to_sde_crtc(x) container_of(x, struct sde_crtc, base) |
| |
| #endif /* _SDE_CRTC_H_ */ |