diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.h')
| -rw-r--r-- | drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.h b/drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.h new file mode 100644 index 000000000000..bb2b0ac7aa2b --- /dev/null +++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_pipe.h @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2016 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License 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. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MDP5_PIPE_H__ +#define __MDP5_PIPE_H__ + +/* TODO: Add SSPP_MAX in mdp5.xml.h */ +#define SSPP_MAX (SSPP_CURSOR1 + 1) + +/* represents a hw pipe, which is dynamically assigned to a plane */ +struct mdp5_hw_pipe { + int idx; + + const char *name; + enum mdp5_pipe pipe; + + uint32_t reg_offset; + uint32_t caps; + + uint32_t flush_mask; /* used to commit pipe registers */ + + /* number of smp blocks per plane, ie: + * nblks_y | (nblks_u << 8) | (nblks_v << 16) + */ + uint32_t blkcfg; +}; + +/* global atomic state of assignment between pipes and planes: */ +struct mdp5_hw_pipe_state { + struct drm_plane *hwpipe_to_plane[SSPP_MAX]; +}; + +int mdp5_pipe_assign(struct drm_atomic_state *s, struct drm_plane *plane, + uint32_t caps, uint32_t blkcfg, + struct mdp5_hw_pipe **hwpipe, + struct mdp5_hw_pipe **r_hwpipe); +void mdp5_pipe_release(struct drm_atomic_state *s, struct mdp5_hw_pipe *hwpipe); + +struct mdp5_hw_pipe *mdp5_pipe_init(enum mdp5_pipe pipe, + uint32_t reg_offset, uint32_t caps); +void mdp5_pipe_destroy(struct mdp5_hw_pipe *hwpipe); + +#endif /* __MDP5_PIPE_H__ */ |