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-rw-r--r--drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h137
1 files changed, 111 insertions, 26 deletions
diff --git a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
index 8c950bc8ae96..bae8a32b81a6 100644
--- a/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
+++ b/drivers/gpu/drm/arm/display/komeda/komeda_pipeline.h
@@ -90,38 +90,41 @@ struct komeda_component {
u32 __iomem *reg;
/** @id: component id */
u32 id;
- /** @hw_ic: component hw id,
- * which is initialized by chip and used by chip only
+ /**
+ * @hw_id: component hw id,
+ * which is initialized by chip and used by chip only
*/
u32 hw_id;
/**
* @max_active_inputs:
- * @max_active_outpus:
+ * @max_active_outputs:
*
- * maximum number of inputs/outputs that can be active in the same time
+ * maximum number of inputs/outputs that can be active at the same time
* Note:
* the number isn't the bit number of @supported_inputs or
* @supported_outputs, but may be less than it, since component may not
* support enabling all @supported_inputs/outputs at the same time.
*/
u8 max_active_inputs;
+ /** @max_active_outputs: maximum number of outputs */
u8 max_active_outputs;
/**
* @supported_inputs:
* @supported_outputs:
*
- * bitmask of BIT(component->id) for the supported inputs/outputs
+ * bitmask of BIT(component->id) for the supported inputs/outputs,
* describes the possibilities of how a component is linked into a
* pipeline.
*/
u32 supported_inputs;
+ /** @supported_outputs: bitmask of supported output componenet ids */
u32 supported_outputs;
/**
* @funcs: chip functions to access HW
*/
- struct komeda_component_funcs *funcs;
+ const struct komeda_component_funcs *funcs;
};
/**
@@ -134,7 +137,8 @@ struct komeda_component {
struct komeda_component_output {
/** @component: indicate which component the data comes from */
struct komeda_component *component;
- /** @output_port:
+ /**
+ * @output_port:
* the output port of the &komeda_component_output.component
*/
u8 output_port;
@@ -150,11 +154,12 @@ struct komeda_component_output {
struct komeda_component_state {
/** @obj: tracking component_state by drm_atomic_state */
struct drm_private_state obj;
+ /** @component: backpointer to the component */
struct komeda_component *component;
/**
* @binding_user:
- * currently bound user, the user can be crtc/plane/wb_conn, which is
- * valid decided by @component and @inputs
+ * currently bound user, the user can be @crtc, @plane or @wb_conn,
+ * which is valid decided by @component and @inputs
*
* - Layer: its user always is plane.
* - compiz/improc/timing_ctrlr: the user is crtc.
@@ -162,20 +167,24 @@ struct komeda_component_state {
* - scaler: plane when input is layer, wb_conn if input is compiz.
*/
union {
+ /** @crtc: backpointer for user crtc */
struct drm_crtc *crtc;
+ /** @plane: backpointer for user plane */
struct drm_plane *plane;
+ /** @wb_conn: backpointer for user wb_connector */
struct drm_connector *wb_conn;
void *binding_user;
};
+
/**
* @active_inputs:
*
* active_inputs is bitmask of @inputs index
*
- * - active_inputs = changed_active_inputs + unchanged_active_inputs
- * - affected_inputs = old->active_inputs + new->active_inputs;
+ * - active_inputs = changed_active_inputs | unchanged_active_inputs
+ * - affected_inputs = old->active_inputs | new->active_inputs;
* - disabling_inputs = affected_inputs ^ active_inputs;
- * - changed_inputs = disabling_inputs + changed_active_inputs;
+ * - changed_inputs = disabling_inputs | changed_active_inputs;
*
* NOTE:
* changed_inputs doesn't include all active_input but only
@@ -183,7 +192,9 @@ struct komeda_component_state {
* level for dirty update.
*/
u16 active_inputs;
+ /** @changed_active_inputs: bitmask of the changed @active_inputs */
u16 changed_active_inputs;
+ /** @affected_inputs: bitmask for affected @inputs */
u16 affected_inputs;
/**
* @inputs:
@@ -204,57 +215,96 @@ static inline u16 component_changed_inputs(struct komeda_component_state *st)
return component_disabling_inputs(st) | st->changed_active_inputs;
}
+#define for_each_changed_input(st, i) \
+ for ((i) = 0; (i) < (st)->component->max_active_inputs; (i)++) \
+ if (has_bit((i), component_changed_inputs(st)))
+
#define to_comp(__c) (((__c) == NULL) ? NULL : &((__c)->base))
#define to_cpos(__c) ((struct komeda_component **)&(__c))
-/* these structures are going to be filled in in uture patches */
struct komeda_layer {
struct komeda_component base;
- /* layer specific features and caps */
- int layer_type; /* RICH, SIMPLE or WB */
+ /* accepted h/v input range before rotation */
+ struct malidp_range hsize_in, vsize_in;
+ u32 layer_type; /* RICH, SIMPLE or WB */
+ u32 supported_rots;
};
struct komeda_layer_state {
struct komeda_component_state base;
/* layer specific configuration state */
+ u16 hsize, vsize;
+ u32 rot;
+ dma_addr_t addr[3];
};
-struct komeda_compiz {
+struct komeda_scaler {
struct komeda_component base;
- /* compiz specific features and caps */
+ /* scaler features and caps */
};
-struct komeda_compiz_state {
+struct komeda_scaler_state {
struct komeda_component_state base;
- /* compiz specific configuration state */
};
-struct komeda_scaler {
+struct komeda_compiz {
struct komeda_component base;
- /* scaler features and caps */
+ struct malidp_range hsize, vsize;
};
-struct komeda_scaler_state {
+struct komeda_compiz_input_cfg {
+ u16 hsize, vsize;
+ u16 hoffset, voffset;
+ u8 pixel_blend_mode, layer_alpha;
+};
+
+struct komeda_compiz_state {
struct komeda_component_state base;
+ /* composition size */
+ u16 hsize, vsize;
+ struct komeda_compiz_input_cfg cins[KOMEDA_COMPONENT_N_INPUTS];
};
struct komeda_improc {
struct komeda_component base;
+ u32 supported_color_formats; /* DRM_RGB/YUV444/YUV420*/
+ u32 supported_color_depths; /* BIT(8) | BIT(10)*/
+ u8 supports_degamma : 1;
+ u8 supports_csc : 1;
+ u8 supports_gamma : 1;
};
struct komeda_improc_state {
struct komeda_component_state base;
+ u16 hsize, vsize;
};
/* display timing controller */
struct komeda_timing_ctrlr {
struct komeda_component base;
+ u8 supports_dual_link : 1;
};
struct komeda_timing_ctrlr_state {
struct komeda_component_state base;
};
+/* 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_component_output input;
+ u16 in_x, in_y, in_w, in_h;
+ u32 out_x, out_y, out_w, out_h;
+ u32 rot;
+ int blending_zorder;
+ u8 pixel_blend_mode, layer_alpha;
+};
+
/** struct komeda_pipeline_funcs */
struct komeda_pipeline_funcs {
/* dump_register: Optional, dump registers to seq_file */
@@ -280,15 +330,24 @@ struct komeda_pipeline {
int id;
/** @avail_comps: available components mask of pipeline */
u32 avail_comps;
+ /** @n_layers: the number of layer on @layers */
int n_layers;
+ /** @layers: the pipeline layers */
struct komeda_layer *layers[KOMEDA_PIPELINE_MAX_LAYERS];
+ /** @n_scalers: the number of scaler on @scalers */
int n_scalers;
+ /** @scalers: the pipeline scalers */
struct komeda_scaler *scalers[KOMEDA_PIPELINE_MAX_SCALERS];
+ /** @compiz: compositor */
struct komeda_compiz *compiz;
+ /** @wb_layer: writeback layer */
struct komeda_layer *wb_layer;
+ /** @improc: post image processor */
struct komeda_improc *improc;
+ /** @ctrlr: timing controller */
struct komeda_timing_ctrlr *ctrlr;
- struct komeda_pipeline_funcs *funcs; /* private pipeline functions */
+ /** @funcs: chip private pipeline functions */
+ const struct komeda_pipeline_funcs *funcs;
/** @of_node: pipeline dt node */
struct device_node *of_node;
@@ -308,6 +367,7 @@ struct komeda_pipeline {
struct komeda_pipeline_state {
/** @obj: tracking pipeline_state by drm_atomic_state */
struct drm_private_state obj;
+ /** @pipe: backpointer to the pipeline */
struct komeda_pipeline *pipe;
/** @crtc: currently bound crtc */
struct drm_crtc *crtc;
@@ -337,18 +397,21 @@ struct komeda_pipeline_state {
/* pipeline APIs */
struct komeda_pipeline *
komeda_pipeline_add(struct komeda_dev *mdev, size_t size,
- struct komeda_pipeline_funcs *funcs);
+ const struct komeda_pipeline_funcs *funcs);
void komeda_pipeline_destroy(struct komeda_dev *mdev,
struct komeda_pipeline *pipe);
-
+int komeda_assemble_pipelines(struct komeda_dev *mdev);
struct komeda_component *
komeda_pipeline_get_component(struct komeda_pipeline *pipe, int id);
+void komeda_pipeline_dump_register(struct komeda_pipeline *pipe,
+ struct seq_file *sf);
+
/* component APIs */
struct komeda_component *
komeda_component_add(struct komeda_pipeline *pipe,
size_t comp_sz, u32 id, u32 hw_id,
- struct komeda_component_funcs *funcs,
+ const struct komeda_component_funcs *funcs,
u8 max_active_inputs, u32 supported_inputs,
u8 max_active_outputs, u32 __iomem *reg,
const char *name_fmt, ...);
@@ -356,4 +419,26 @@ komeda_component_add(struct komeda_pipeline *pipe,
void komeda_component_destroy(struct komeda_dev *mdev,
struct komeda_component *c);
+struct komeda_plane_state;
+struct komeda_crtc_state;
+struct komeda_crtc;
+
+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_display_data_flow(struct komeda_crtc *kcrtc,
+ struct komeda_crtc_state *kcrtc_st);
+
+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);
+void 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);
+
#endif /* _KOMEDA_PIPELINE_H_*/
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.