1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Copyright (C) 2016 Red Hat 4 * Author: Rob Clark <robdclark@gmail.com> 5 */ 6 7 #ifndef __MDP5_PIPE_H__ 8 #define __MDP5_PIPE_H__ 9 10 /* TODO: Add SSPP_MAX in mdp5.xml.h */ 11 #define SSPP_MAX (SSPP_CURSOR1 + 1) 12 13 /* represents a hw pipe, which is dynamically assigned to a plane */ 14 struct mdp5_hw_pipe { 15 int idx; 16 17 const char *name; 18 enum mdp5_pipe pipe; 19 20 uint32_t reg_offset; 21 uint32_t caps; 22 23 uint32_t flush_mask; /* used to commit pipe registers */ 24 25 /* number of smp blocks per plane, ie: 26 * nblks_y | (nblks_u << 8) | (nblks_v << 16) 27 */ 28 uint32_t blkcfg; 29 }; 30 31 /* global atomic state of assignment between pipes and planes: */ 32 struct mdp5_hw_pipe_state { 33 struct drm_plane *hwpipe_to_plane[SSPP_MAX]; 34 }; 35 36 int mdp5_pipe_assign(struct drm_atomic_state *s, struct drm_plane *plane, 37 uint32_t caps, uint32_t blkcfg, 38 struct mdp5_hw_pipe **hwpipe, 39 struct mdp5_hw_pipe **r_hwpipe); 40 int mdp5_pipe_release(struct drm_atomic_state *s, struct mdp5_hw_pipe *hwpipe); 41 42 struct mdp5_hw_pipe *mdp5_pipe_init(struct drm_device *dev, 43 enum mdp5_pipe pipe, 44 uint32_t reg_offset, uint32_t caps); 45 46 #endif /* __MDP5_PIPE_H__ */ 47