| 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
|---|---|
| 2 | /* |
| 3 | * Copyright (C) 2019-2022 Bootlin |
| 4 | * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com> |
| 5 | */ |
| 6 | |
| 7 | #ifndef _LOGICVC_LAYER_H_ |
| 8 | #define _LOGICVC_LAYER_H_ |
| 9 | |
| 10 | #include <linux/of.h> |
| 11 | #include <linux/types.h> |
| 12 | #include <drm/drm_plane.h> |
| 13 | |
| 14 | #define LOGICVC_LAYER_COLORSPACE_RGB 0 |
| 15 | #define LOGICVC_LAYER_COLORSPACE_YUV 1 |
| 16 | |
| 17 | #define LOGICVC_LAYER_ALPHA_LAYER 0 |
| 18 | #define LOGICVC_LAYER_ALPHA_PIXEL 1 |
| 19 | |
| 20 | struct logicvc_layer_buffer_setup { |
| 21 | u8 buffer_sel; |
| 22 | u16 voffset; |
| 23 | u16 hoffset; |
| 24 | }; |
| 25 | |
| 26 | struct logicvc_layer_config { |
| 27 | u32 colorspace; |
| 28 | u32 depth; |
| 29 | u32 alpha_mode; |
| 30 | u32 base_offset; |
| 31 | u32 buffer_offset; |
| 32 | bool primary; |
| 33 | }; |
| 34 | |
| 35 | struct logicvc_layer_formats { |
| 36 | u32 colorspace; |
| 37 | u32 depth; |
| 38 | bool alpha; |
| 39 | uint32_t *formats; |
| 40 | }; |
| 41 | |
| 42 | struct logicvc_layer { |
| 43 | struct logicvc_layer_config config; |
| 44 | struct logicvc_layer_formats *formats; |
| 45 | struct device_node *of_node; |
| 46 | |
| 47 | struct drm_plane drm_plane; |
| 48 | struct list_head list; |
| 49 | u32 index; |
| 50 | }; |
| 51 | |
| 52 | int logicvc_layer_buffer_find_setup(struct logicvc_drm *logicvc, |
| 53 | struct logicvc_layer *layer, |
| 54 | struct drm_plane_state *state, |
| 55 | struct logicvc_layer_buffer_setup *setup); |
| 56 | struct logicvc_layer *logicvc_layer_get_from_index(struct logicvc_drm *logicvc, |
| 57 | u32 index); |
| 58 | struct logicvc_layer *logicvc_layer_get_from_type(struct logicvc_drm *logicvc, |
| 59 | enum drm_plane_type type); |
| 60 | struct logicvc_layer *logicvc_layer_get_primary(struct logicvc_drm *logicvc); |
| 61 | void logicvc_layers_attach_crtc(struct logicvc_drm *logicvc); |
| 62 | int logicvc_layers_init(struct logicvc_drm *logicvc); |
| 63 | |
| 64 | #endif |
| 65 |