int master_pipe, u32 active_pipes);
};
-/**
+/*
* DISPLAY_MODE describes how many display been enabled, and which will be
* passed to CHIP by &komeda_dev_funcs->change_opmode(), then CHIP can do the
* pipeline resources assignment according to this usage hint.
* control-abilites of device.
*/
struct komeda_dev {
+ /** @dev: the base device structure */
struct device *dev;
+ /** @reg_base: the base address of komeda io space */
u32 __iomem *reg_base;
+ /** @chip: the basic chip information */
struct komeda_chip_info chip;
/** @fmt_tbl: initialized by &komeda_dev_funcs->init_format_table */
struct komeda_format_caps_table fmt_tbl;
/** @pclk: APB clock for register access */
struct clk *pclk;
- /** @mck: HW main engine clk */
+ /** @mclk: HW main engine clk */
struct clk *mclk;
/** @irq: irq number */
int irq;
- struct mutex lock; /* used to protect dpmode */
- u32 dpmode; /* current display mode */
+ /** @lock: used to protect dpmode */
+ struct mutex lock;
+ /** @dpmode: current display mode */
+ u32 dpmode;
+ /** @n_pipelines: the number of pipe in @pipelines */
int n_pipelines;
+ /** @pipelines: the komeda pipelines */
struct komeda_pipeline *pipelines[KOMEDA_MAX_PIPELINES];
/** @funcs: chip funcs to access to HW */
*/
void *chip_data;
+ /** @debugfs_root: root directory of komeda debugfs */
struct dentry *debugfs_root;
};
#include <video/videomode.h>
#include <video/display_timing.h>
-/** struct komeda_plane - komeda instance of drm_plane */
+/**
+ * struct komeda_plane - komeda instance of drm_plane
+ */
struct komeda_plane {
/** @base: &drm_plane */
struct drm_plane base;
*/
struct komeda_pipeline *slave;
- /* this flip_done is for tracing the disable */
+ /** @disable_done: this flip_done is for tracing the disable */
struct completion *disable_done;
};
-/** struct komeda_crtc_state */
+/**
+ * struct komeda_crtc_state
+ */
struct komeda_crtc_state {
/** @base: &drm_crtc_state */
struct drm_crtc_state base;
/* private properties */
/* computed state which are used by validate/check */
+ /**
+ * @affected_pipes:
+ * the affected pipelines in once display instance
+ */
u32 affected_pipes;
+ /**
+ * @active_pipes:
+ * the active pipelines in once display instance
+ */
u32 active_pipes;
};
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;
/**
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;
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.
* - 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
* 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:
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;
+ /** @funcs: chip pipeline functions */
struct komeda_pipeline_funcs *funcs; /* private pipeline functions */
/** @of_node: pipeline dt node */
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;
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