diff options
Diffstat (limited to 'drivers/gpu/drm/logicvc/logicvc_layer.h')
| -rw-r--r-- | drivers/gpu/drm/logicvc/logicvc_layer.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/drivers/gpu/drm/logicvc/logicvc_layer.h b/drivers/gpu/drm/logicvc/logicvc_layer.h new file mode 100644 index 000000000..4a4b02e9b --- /dev/null +++ b/drivers/gpu/drm/logicvc/logicvc_layer.h @@ -0,0 +1,64 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2019-2022 Bootlin + * Author: Paul Kocialkowski <paul.kocialkowski@bootlin.com> + */ + +#ifndef _LOGICVC_LAYER_H_ +#define _LOGICVC_LAYER_H_ + +#include <linux/of.h> +#include <linux/types.h> +#include <drm/drm_plane.h> + +#define LOGICVC_LAYER_COLORSPACE_RGB 0 +#define LOGICVC_LAYER_COLORSPACE_YUV 1 + +#define LOGICVC_LAYER_ALPHA_LAYER 0 +#define LOGICVC_LAYER_ALPHA_PIXEL 1 + +struct logicvc_layer_buffer_setup { + u8 buffer_sel; + u16 voffset; + u16 hoffset; +}; + +struct logicvc_layer_config { + u32 colorspace; + u32 depth; + u32 alpha_mode; + u32 base_offset; + u32 buffer_offset; + bool primary; +}; + +struct logicvc_layer_formats { + u32 colorspace; + u32 depth; + bool alpha; + uint32_t *formats; +}; + +struct logicvc_layer { + struct logicvc_layer_config config; + struct logicvc_layer_formats *formats; + struct device_node *of_node; + + struct drm_plane drm_plane; + struct list_head list; + u32 index; +}; + +int logicvc_layer_buffer_find_setup(struct logicvc_drm *logicvc, + struct logicvc_layer *layer, + struct drm_plane_state *state, + struct logicvc_layer_buffer_setup *setup); +struct logicvc_layer *logicvc_layer_get_from_index(struct logicvc_drm *logicvc, + u32 index); +struct logicvc_layer *logicvc_layer_get_from_type(struct logicvc_drm *logicvc, + enum drm_plane_type type); +struct logicvc_layer *logicvc_layer_get_primary(struct logicvc_drm *logicvc); +void logicvc_layers_attach_crtc(struct logicvc_drm *logicvc); +int logicvc_layers_init(struct logicvc_drm *logicvc); + +#endif |