| Abhijit Kulkarni | 40e3816 | 2016-06-26 22:12:09 -0400 | [diff] [blame] | 1 | /* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | */ |
| 12 | |
| 13 | #ifndef _SDE_CRTC_H_ |
| 14 | #define _SDE_CRTC_H_ |
| 15 | |
| 16 | #include "drm_crtc.h" |
| 17 | |
| Abhijit Kulkarni | 40e3816 | 2016-06-26 22:12:09 -0400 | [diff] [blame] | 18 | #define CRTC_DUAL_MIXERS 2 |
| 19 | #define PENDING_FLIP 2 |
| 20 | /* worst case one frame wait time based on 30 FPS : 33.33ms*/ |
| 21 | #define CRTC_MAX_WAIT_ONE_FRAME 34 |
| 22 | #define CRTC_HW_MIXER_MAXSTAGES(c, idx) ((c)->mixer[idx].sblk->maxblendstages) |
| 23 | |
| 24 | /** |
| 25 | * struct sde_crtc_mixer - stores the map for each virtual pipeline in the CRTC |
| 26 | * @hw_dspp : DSPP HW Driver context |
| 27 | * @hw_lm : LM HW Driver context |
| 28 | * @hw_ctl : CTL Path HW driver context |
| 29 | * @intf_idx : Interface idx |
| 30 | * @mode : Interface mode Active/CMD |
| 31 | * @flush_mask : Flush mask value for this commit |
| 32 | */ |
| 33 | struct sde_crtc_mixer { |
| 34 | struct sde_hw_dspp *hw_dspp; |
| 35 | struct sde_hw_mixer *hw_lm; |
| 36 | struct sde_hw_ctl *hw_ctl; |
| 37 | enum sde_intf intf_idx; |
| 38 | enum sde_intf_mode mode; |
| 39 | u32 flush_mask; |
| 40 | }; |
| 41 | |
| 42 | /** |
| 43 | * struct sde_crtc - virtualized CRTC data structure |
| 44 | * @base : Base drm crtc structure |
| 45 | * @name : ASCII description of this crtc |
| 46 | * @encoder : Associated drm encoder object |
| 47 | * @id : Unique crtc identifier |
| 48 | * @lm_lock : LM register access spinlock |
| 49 | * @num_ctls : Number of ctl paths in use |
| 50 | * @num_mixers : Number of mixers in use |
| 51 | * @mixer : List of active mixers |
| 52 | * @event : Pointer to last received drm vblank event |
| 53 | * @pending : Whether or not an update is pending |
| 54 | * @vsync_count : Running count of received vsync events |
| Lloyd Atkinson | e5c2c0b | 2016-07-05 12:23:29 -0400 | [diff] [blame] | 55 | * @drm_requested_vblank : Whether vblanks have been enabled in the encoder |
| Abhijit Kulkarni | 40e3816 | 2016-06-26 22:12:09 -0400 | [diff] [blame] | 56 | */ |
| 57 | struct sde_crtc { |
| 58 | struct drm_crtc base; |
| 59 | char name[8]; |
| 60 | struct drm_encoder *encoder; |
| 61 | int id; |
| 62 | |
| 63 | spinlock_t lm_lock; /* protect registers */ |
| 64 | |
| 65 | /* HW Resources reserved for the crtc */ |
| 66 | u32 num_ctls; |
| 67 | u32 num_mixers; |
| 68 | struct sde_crtc_mixer mixer[CRTC_DUAL_MIXERS]; |
| 69 | |
| 70 | /*if there is a pending flip, these will be non-null */ |
| 71 | struct drm_pending_vblank_event *event; |
| 72 | atomic_t pending; |
| 73 | u32 vsync_count; |
| Lloyd Atkinson | e5c2c0b | 2016-07-05 12:23:29 -0400 | [diff] [blame] | 74 | bool drm_requested_vblank; |
| Abhijit Kulkarni | 40e3816 | 2016-06-26 22:12:09 -0400 | [diff] [blame] | 75 | }; |
| 76 | |
| 77 | #define to_sde_crtc(x) container_of(x, struct sde_crtc, base) |
| 78 | |
| 79 | #endif /* _SDE_CRTC_H_ */ |