1 /* 2 * Copyright (C) 2016 Red Hat 3 * Author: Rob Clark <robdclark@gmail.com> 4 * 5 * This program is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 as published by 7 * the Free Software Foundation. 8 * 9 * This program is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 12 * more details. 13 * 14 * You should have received a copy of the GNU General Public License along with 15 * this program. If not, see <http://www.gnu.org/licenses/>. 16 */ 17 18 #ifndef __MDP5_PIPE_H__ 19 #define __MDP5_PIPE_H__ 20 21 /* TODO: Add SSPP_MAX in mdp5.xml.h */ 22 #define SSPP_MAX (SSPP_CURSOR1 + 1) 23 24 /* represents a hw pipe, which is dynamically assigned to a plane */ 25 struct mdp5_hw_pipe { 26 int idx; 27 28 const char *name; 29 enum mdp5_pipe pipe; 30 31 uint32_t reg_offset; 32 uint32_t caps; 33 34 uint32_t flush_mask; /* used to commit pipe registers */ 35 36 /* number of smp blocks per plane, ie: 37 * nblks_y | (nblks_u << 8) | (nblks_v << 16) 38 */ 39 uint32_t blkcfg; 40 }; 41 42 /* global atomic state of assignment between pipes and planes: */ 43 struct mdp5_hw_pipe_state { 44 struct drm_plane *hwpipe_to_plane[SSPP_MAX]; 45 }; 46 47 int mdp5_pipe_assign(struct drm_atomic_state *s, struct drm_plane *plane, 48 uint32_t caps, uint32_t blkcfg, 49 struct mdp5_hw_pipe **hwpipe, 50 struct mdp5_hw_pipe **r_hwpipe); 51 void mdp5_pipe_release(struct drm_atomic_state *s, struct mdp5_hw_pipe *hwpipe); 52 53 struct mdp5_hw_pipe *mdp5_pipe_init(enum mdp5_pipe pipe, 54 uint32_t reg_offset, uint32_t caps); 55 void mdp5_pipe_destroy(struct mdp5_hw_pipe *hwpipe); 56 57 #endif /* __MDP5_PIPE_H__ */ 58