/* SPDX-License-Identifier: GPL-2.0 */ /* * (C) COPYRIGHT 2018 ARM Limited. All rights reserved. * Author: James.Qian.Wang <[email protected]> * */ #ifndef _KOMEDA_PIPELINE_H_ #define _KOMEDA_PIPELINE_H_ #include <linux/types.h> #include <drm/drm_atomic.h> #include <drm/drm_atomic_helper.h> #include "malidp_utils.h" #include "komeda_color_mgmt.h" #define KOMEDA_MAX_PIPELINES … #define KOMEDA_PIPELINE_MAX_LAYERS … #define KOMEDA_PIPELINE_MAX_SCALERS … #define KOMEDA_COMPONENT_N_INPUTS … /* pipeline component IDs */ enum { … }; #define KOMEDA_PIPELINE_LAYERS … #define KOMEDA_PIPELINE_SCALERS … #define KOMEDA_PIPELINE_COMPIZS … #define KOMEDA_PIPELINE_IMPROCS … struct komeda_component; struct komeda_component_state; /** komeda_component_funcs - component control functions */ struct komeda_component_funcs { … }; /** * struct komeda_component * * struct komeda_component describe the data flow capabilities for how to link a * component into the display pipeline. * all specified components are subclass of this structure. */ struct komeda_component { … }; /** * struct komeda_component_output * * a component has multiple outputs, if want to know where the data * comes from, only know the component is not enough, we still need to know * its output port */ struct komeda_component_output { … }; /** * struct komeda_component_state * * component_state is the data flow configuration of the component, and it's * the superclass of all specific component_state like @komeda_layer_state, * @komeda_scaler_state */ struct komeda_component_state { … }; static inline u16 component_disabling_inputs(struct komeda_component_state *st) { … } static inline u16 component_changed_inputs(struct komeda_component_state *st) { … } #define for_each_changed_input(st, i) … #define to_comp(__c) … #define to_cpos(__c) … struct komeda_layer { … }; struct komeda_layer_state { … }; struct komeda_scaler { … }; struct komeda_scaler_state { … }; struct komeda_compiz { … }; struct komeda_compiz_input_cfg { … }; struct komeda_compiz_state { … }; struct komeda_merger { … }; struct komeda_merger_state { … }; struct komeda_splitter { … }; struct komeda_splitter_state { … }; struct komeda_improc { … }; struct komeda_improc_state { … }; /* display timing controller */ struct komeda_timing_ctrlr { … }; struct komeda_timing_ctrlr_state { … }; /* Why define A separated structure but not use plane_state directly ? * 1. Komeda supports layer_split which means a plane_state can be split and * handled by two layers, one layer only handle half of plane image. * 2. Fix up the user properties according to HW's capabilities, like user * set rotation to R180, but HW only supports REFLECT_X+Y. the rot here is * after drm_rotation_simplify() */ struct komeda_data_flow_cfg { … }; struct komeda_pipeline_funcs { … }; /** * struct komeda_pipeline * * Represent a complete display pipeline and hold all functional components. */ struct komeda_pipeline { … }; /** * struct komeda_pipeline_state * * NOTE: * Unlike the pipeline, pipeline_state doesn’t gather any component_state * into it. It because all component will be managed by drm_atomic_state. */ struct komeda_pipeline_state { … }; #define to_layer(c) … #define to_compiz(c) … #define to_scaler(c) … #define to_splitter(c) … #define to_merger(c) … #define to_improc(c) … #define to_ctrlr(c) … #define to_layer_st(c) … #define to_compiz_st(c) … #define to_scaler_st(c) … #define to_splitter_st(c) … #define to_merger_st(c) … #define to_improc_st(c) … #define to_ctrlr_st(c) … #define priv_to_comp_st(o) … #define priv_to_pipe_st(o) … /* pipeline APIs */ struct komeda_pipeline * komeda_pipeline_add(struct komeda_dev *mdev, size_t size, const struct komeda_pipeline_funcs *funcs); void komeda_pipeline_destroy(struct komeda_dev *mdev, struct komeda_pipeline *pipe); struct komeda_pipeline * komeda_pipeline_get_slave(struct komeda_pipeline *master); int komeda_assemble_pipelines(struct komeda_dev *mdev); struct komeda_component * komeda_pipeline_get_component(struct komeda_pipeline *pipe, int id); struct komeda_component * komeda_pipeline_get_first_component(struct komeda_pipeline *pipe, u32 comp_mask); void komeda_pipeline_dump_register(struct komeda_pipeline *pipe, struct seq_file *sf); /* component APIs */ extern __printf(10, 11) struct komeda_component * komeda_component_add(struct komeda_pipeline *pipe, size_t comp_sz, u32 id, u32 hw_id, const struct komeda_component_funcs *funcs, u8 max_active_inputs, u32 supported_inputs, u8 max_active_outputs, u32 __iomem *reg, const char *name_fmt, ...); void komeda_component_destroy(struct komeda_dev *mdev, struct komeda_component *c); static inline struct komeda_component * komeda_component_pickup_output(struct komeda_component *c, u32 avail_comps) { … } struct komeda_plane_state; struct komeda_crtc_state; struct komeda_crtc; void pipeline_composition_size(struct komeda_crtc_state *kcrtc_st, u16 *hsize, u16 *vsize); int komeda_build_layer_data_flow(struct komeda_layer *layer, struct komeda_plane_state *kplane_st, struct komeda_crtc_state *kcrtc_st, struct komeda_data_flow_cfg *dflow); int komeda_build_wb_data_flow(struct komeda_layer *wb_layer, struct drm_connector_state *conn_st, struct komeda_crtc_state *kcrtc_st, struct komeda_data_flow_cfg *dflow); int komeda_build_display_data_flow(struct komeda_crtc *kcrtc, struct komeda_crtc_state *kcrtc_st); int komeda_build_layer_split_data_flow(struct komeda_layer *left, struct komeda_plane_state *kplane_st, struct komeda_crtc_state *kcrtc_st, struct komeda_data_flow_cfg *dflow); int komeda_build_wb_split_data_flow(struct komeda_layer *wb_layer, struct drm_connector_state *conn_st, struct komeda_crtc_state *kcrtc_st, struct komeda_data_flow_cfg *dflow); int komeda_release_unclaimed_resources(struct komeda_pipeline *pipe, struct komeda_crtc_state *kcrtc_st); struct komeda_pipeline_state * komeda_pipeline_get_old_state(struct komeda_pipeline *pipe, struct drm_atomic_state *state); bool komeda_pipeline_disable(struct komeda_pipeline *pipe, struct drm_atomic_state *old_state); void komeda_pipeline_update(struct komeda_pipeline *pipe, struct drm_atomic_state *old_state); void komeda_complete_data_flow_cfg(struct komeda_layer *layer, struct komeda_data_flow_cfg *dflow, struct drm_framebuffer *fb); #endif /* _KOMEDA_PIPELINE_H_*/
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