WebSVN – Kolibri OS – Diff – /drivers/include/drm/drm_crtc.h


/*
 * Copyright © 2006 Keith Packard
 * Copyright © 2007-2008 Dave Airlie
 * Copyright © 2007-2008 Intel Corporation
 *   Jesse Barnes 
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */
#ifndef __DRM_CRTC_H__
#define __DRM_CRTC_H__
 
#include 
#include 
#include 
#include 
#include 
#include 
 
#include 
 
struct drm_device;
struct drm_mode_set;
struct drm_framebuffer;
struct drm_object_properties;
struct drm_file;
struct drm_clip_rect;
 
#define DRM_MODE_OBJECT_CRTC 0xcccccccc
#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
#define DRM_MODE_OBJECT_MODE 0xdededede
#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
#define DRM_MODE_OBJECT_FB 0xfbfbfbfb
#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
 
struct drm_mode_object {
	uint32_t id;
	uint32_t type;
	struct drm_object_properties *properties;
};
 
#define DRM_OBJECT_MAX_PROPERTY 24
struct drm_object_properties {
	int count;
	uint32_t ids[DRM_OBJECT_MAX_PROPERTY];
	uint64_t values[DRM_OBJECT_MAX_PROPERTY];
};
 
/*
 * Note on terminology:  here, for brevity and convenience, we refer to connector
 * control chips as 'CRTCs'.  They can control any type of connector, VGA, LVDS,
 * DVI, etc.  And 'screen' refers to the whole of the visible display, which
 * may span multiple monitors (and therefore multiple CRTC and connector
 * structures).
 */
 
enum drm_mode_status {
    MODE_OK	= 0,	/* Mode OK */
    MODE_HSYNC,		/* hsync out of range */
    MODE_VSYNC,		/* vsync out of range */
    MODE_H_ILLEGAL,	/* mode has illegal horizontal timings */
    MODE_V_ILLEGAL,	/* mode has illegal horizontal timings */
    MODE_BAD_WIDTH,	/* requires an unsupported linepitch */
    MODE_NOMODE,	/* no mode with a matching name */
    MODE_NO_INTERLACE,	/* interlaced mode not supported */
    MODE_NO_DBLESCAN,	/* doublescan mode not supported */
    MODE_NO_VSCAN,	/* multiscan mode not supported */
    MODE_MEM,		/* insufficient video memory */
    MODE_VIRTUAL_X,	/* mode width too large for specified virtual size */
    MODE_VIRTUAL_Y,	/* mode height too large for specified virtual size */
    MODE_MEM_VIRT,	/* insufficient video memory given virtual size */
    MODE_NOCLOCK,	/* no fixed clock available */
    MODE_CLOCK_HIGH,	/* clock required is too high */
    MODE_CLOCK_LOW,	/* clock required is too low */
    MODE_CLOCK_RANGE,	/* clock/mode isn't in a ClockRange */
    MODE_BAD_HVALUE,	/* horizontal timing was out of range */
    MODE_BAD_VVALUE,	/* vertical timing was out of range */
    MODE_BAD_VSCAN,	/* VScan value out of range */
    MODE_HSYNC_NARROW,	/* horizontal sync too narrow */
    MODE_HSYNC_WIDE,	/* horizontal sync too wide */
    MODE_HBLANK_NARROW,	/* horizontal blanking too narrow */
    MODE_HBLANK_WIDE,	/* horizontal blanking too wide */
    MODE_VSYNC_NARROW,	/* vertical sync too narrow */
    MODE_VSYNC_WIDE,	/* vertical sync too wide */
    MODE_VBLANK_NARROW,	/* vertical blanking too narrow */
    MODE_VBLANK_WIDE,	/* vertical blanking too wide */
    MODE_PANEL,         /* exceeds panel dimensions */
    MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */
    MODE_ONE_WIDTH,     /* only one width is supported */
    MODE_ONE_HEIGHT,    /* only one height is supported */
    MODE_ONE_SIZE,      /* only one resolution is supported */
    MODE_NO_REDUCED,    /* monitor doesn't accept reduced blanking */
    MODE_UNVERIFIED = -3, /* mode needs to reverified */
    MODE_BAD = -2,	/* unspecified reason */
    MODE_ERROR	= -1	/* error condition */
};
 
#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C | \
				    DRM_MODE_TYPE_CRTC_C)
 
#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
	.name = nm, .status = 0, .type = (t), .clock = (c), \
	.hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
	.htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
	.vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
	.vscan = (vs), .flags = (f), .vrefresh = 0, \
	.base.type = DRM_MODE_OBJECT_MODE
 
#define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */
 
struct drm_display_mode {
	/* Header */
	struct list_head head;
	struct drm_mode_object base;
 
	char name[DRM_DISPLAY_MODE_LEN];
 
	enum drm_mode_status status;
	unsigned int type;
 
	/* Proposed mode values */
	int clock;		/* in kHz */
	int hdisplay;
	int hsync_start;
	int hsync_end;
	int htotal;
	int hskew;
	int vdisplay;
	int vsync_start;
	int vsync_end;
	int vtotal;
	int vscan;
	unsigned int flags;
 
	/* Addressable image size (may be 0 for projectors, etc.) */
	int width_mm;
	int height_mm;
 
	/* Actual mode we give to hw */
	int clock_index;
	int synth_clock;
	int crtc_hdisplay;
	int crtc_hblank_start;
	int crtc_hblank_end;
	int crtc_hsync_start;
	int crtc_hsync_end;
	int crtc_htotal;
	int crtc_hskew;
	int crtc_vdisplay;
	int crtc_vblank_start;
	int crtc_vblank_end;
	int crtc_vsync_start;
	int crtc_vsync_end;
	int crtc_vtotal;
 
	/* Driver private mode info */
	int private_size;
	int *private;
	int private_flags;
 
	int vrefresh;		/* in Hz */
	int hsync;		/* in kHz */
};
 
enum drm_connector_status {
	connector_status_connected = 1,
	connector_status_disconnected = 2,
	connector_status_unknown = 3,
};
 
enum subpixel_order {
	SubPixelUnknown = 0,
	SubPixelHorizontalRGB,
	SubPixelHorizontalBGR,
	SubPixelVerticalRGB,
	SubPixelVerticalBGR,
	SubPixelNone,
};
 
#define DRM_COLOR_FORMAT_RGB444		(1<<0)
#define DRM_COLOR_FORMAT_YCRCB444	(1<<1)
#define DRM_COLOR_FORMAT_YCRCB422	(1<<2)
/*
 * Describes a given display (e.g. CRT or flat panel) and its limitations.
 */
struct drm_display_info {
	char name[DRM_DISPLAY_INFO_LEN];
 
	/* Physical size */
        unsigned int width_mm;
	unsigned int height_mm;
 
	/* Clock limits FIXME: storage format */
	unsigned int min_vfreq, max_vfreq;
	unsigned int min_hfreq, max_hfreq;
	unsigned int pixel_clock;
	unsigned int bpc;
 
	enum subpixel_order subpixel_order;
	u32 color_formats;
 
	u8 cea_rev;
};
 
struct drm_framebuffer_funcs {
	/* note: use drm_framebuffer_remove() */
	void (*destroy)(struct drm_framebuffer *framebuffer);
	int (*create_handle)(struct drm_framebuffer *fb,
			     struct drm_file *file_priv,
			     unsigned int *handle);
	/**
	 * Optinal callback for the dirty fb ioctl.
	 *
	 * Userspace can notify the driver via this callback
	 * that a area of the framebuffer has changed and should
	 * be flushed to the display hardware.
	 *
	 * See documentation in drm_mode.h for the struct
	 * drm_mode_fb_dirty_cmd for more information as all
	 * the semantics and arguments have a one to one mapping
	 * on this function.
	 */
	int (*dirty)(struct drm_framebuffer *framebuffer,
		     struct drm_file *file_priv, unsigned flags,
		     unsigned color, struct drm_clip_rect *clips,
		     unsigned num_clips);
};
 
struct drm_framebuffer {
	struct drm_device *dev;
	/*
	 * Note that the fb is refcounted for the benefit of driver internals,
	 * for example some hw, disabling a CRTC/plane is asynchronous, and
	 * scanout does not actually complete until the next vblank.  So some
	 * cleanup (like releasing the reference(s) on the backing GEM bo(s))
	 * should be deferred.  In cases like this, the driver would like to
	 * hold a ref to the fb even though it has already been removed from
	 * userspace perspective.
	 */
	struct kref refcount;
	/*
	 * Place on the dev->mode_config.fb_list, access protected by
	 * dev->mode_config.fb_lock.
	 */
	struct list_head head;
	struct drm_mode_object base;
	const struct drm_framebuffer_funcs *funcs;
	unsigned int pitches[4];
	unsigned int offsets[4];
	unsigned int width;
	unsigned int height;
	/* depth can be 15 or 16 */
	unsigned int depth;
	int bits_per_pixel;
	int flags;
	uint32_t pixel_format; /* fourcc format */
	struct list_head filp_head;
	/* if you are using the helper */
	void *helper_private;
};
 
struct drm_property_blob {
	struct drm_mode_object base;
	struct list_head head;
	unsigned int length;
	unsigned char data[];
};
 
struct drm_property_enum {
	uint64_t value;
	struct list_head head;
	char name[DRM_PROP_NAME_LEN];
};
 
struct drm_property {
    struct      list_head head;
    struct      drm_mode_object base;
    uint32_t    flags;
    char        name[DRM_PROP_NAME_LEN];
    uint32_t    num_values;
    uint64_t    *values;
 
	struct list_head enum_blob_list;
};
 
struct drm_crtc;
struct drm_connector;
struct drm_encoder;
struct drm_pending_vblank_event;
struct drm_plane;
 
/**
 * drm_crtc_funcs - control CRTCs for a given device
 * @save: save CRTC state
 * @restore: restore CRTC state
 * @reset: reset CRTC after state has been invalidate (e.g. resume)
 * @cursor_set: setup the cursor
 * @cursor_move: move the cursor
 * @gamma_set: specify color ramp for CRTC
 * @destroy: deinit and free object
 * @set_property: called when a property is changed
 * @set_config: apply a new CRTC configuration
 * @page_flip: initiate a page flip
 *
 * The drm_crtc_funcs structure is the central CRTC management structure
 * in the DRM.  Each CRTC controls one or more connectors (note that the name
 * CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
 * connectors, not just CRTs).
 *
 * Each driver is responsible for filling out this structure at startup time,
 * in addition to providing other modesetting features, like i2c and DDC
 * bus accessors.
 */
struct drm_crtc_funcs {
	/* Save CRTC state */
	void (*save)(struct drm_crtc *crtc); /* suspend? */
	/* Restore CRTC state */
	void (*restore)(struct drm_crtc *crtc); /* resume? */
	/* Reset CRTC state */
	void (*reset)(struct drm_crtc *crtc);
 
	/* cursor controls */
	int (*cursor_set)(struct drm_crtc *crtc, struct drm_file *file_priv,
			  uint32_t handle, uint32_t width, uint32_t height);
	int (*cursor_move)(struct drm_crtc *crtc, int x, int y);
 
	/* Set gamma on the CRTC */
	void (*gamma_set)(struct drm_crtc *crtc, u16 *r, u16 *g, u16 *b,
			  uint32_t start, uint32_t size);
	/* Object destroy routine */
	void (*destroy)(struct drm_crtc *crtc);
 
	int (*set_config)(struct drm_mode_set *set);
 
	/*
	 * Flip to the given framebuffer.  This implements the page
	 * flip ioctl described in drm_mode.h, specifically, the
	 * implementation must return immediately and block all
	 * rendering to the current fb until the flip has completed.
	 * If userspace set the event flag in the ioctl, the event
	 * argument will point to an event to send back when the flip
	 * completes, otherwise it will be NULL.
	 */
	int (*page_flip)(struct drm_crtc *crtc,
			 struct drm_framebuffer *fb,
			 struct drm_pending_vblank_event *event);
 
	int (*set_property)(struct drm_crtc *crtc,
			    struct drm_property *property, uint64_t val);
};
 
/**
 * drm_crtc - central CRTC control structure
 * @dev: parent DRM device
 * @head: list management
 * @base: base KMS object for ID tracking etc.
 * @enabled: is this CRTC enabled?
 * @mode: current mode timings
 * @hwmode: mode timings as programmed to hw regs
 * @invert_dimensions: for purposes of error checking crtc vs fb sizes,
 *    invert the width/height of the crtc.  This is used if the driver
 *    is performing 90 or 270 degree rotated scanout
 * @x: x position on screen
 * @y: y position on screen
 * @funcs: CRTC control functions
 * @gamma_size: size of gamma ramp
 * @gamma_store: gamma ramp values
 * @framedur_ns: precise frame timing
 * @framedur_ns: precise line timing
 * @pixeldur_ns: precise pixel timing
 * @helper_private: mid-layer private data
 * @properties: property tracking for this CRTC
 *
 * Each CRTC may have one or more connectors associated with it.  This structure
 * allows the CRTC to be controlled.
 */
struct drm_crtc {
	struct drm_device *dev;
	struct list_head head;
 
	/**
	 * crtc mutex
	 *
	 * This provides a read lock for the overall crtc state (mode, dpms
	 * state, ...) and a write lock for everything which can be update
	 * without a full modeset (fb, cursor data, ...)
	 */
	struct mutex mutex;
 
	struct drm_mode_object base;
 
	/* framebuffer the connector is currently bound to */
	struct drm_framebuffer *fb;
 
	bool enabled;
 
	/* Requested mode from modesetting. */
	struct drm_display_mode mode;
 
	/* Programmed mode in hw, after adjustments for encoders,
	 * crtc, panel scaling etc. Needed for timestamping etc.
	 */
	struct drm_display_mode hwmode;
 
	bool invert_dimensions;
 
	int x, y;
	const struct drm_crtc_funcs *funcs;
 
	/* CRTC gamma size for reporting to userspace */
	uint32_t gamma_size;
	uint16_t *gamma_store;
 
	/* Constants needed for precise vblank and swap timestamping. */
	s64 framedur_ns, linedur_ns, pixeldur_ns;
 
	/* if you are using the helper */
	void *helper_private;
 
	struct drm_object_properties properties;
};
 
 
/**
 * drm_connector_funcs - control connectors on a given device
 * @dpms: set power state (see drm_crtc_funcs above)
 * @save: save connector state
 * @restore: restore connector state
 * @reset: reset connector after state has been invalidated (e.g. resume)
 * @detect: is this connector active?
 * @fill_modes: fill mode list for this connector
 * @set_property: property for this connector may need an update
 * @destroy: make object go away
 * @force: notify the driver that the connector is forced on
 *
 * Each CRTC may have one or more connectors attached to it.  The functions
 * below allow the core DRM code to control connectors, enumerate available modes,
 * etc.
 */
struct drm_connector_funcs {
	void (*dpms)(struct drm_connector *connector, int mode);
	void (*save)(struct drm_connector *connector);
	void (*restore)(struct drm_connector *connector);
	void (*reset)(struct drm_connector *connector);
 
	/* Check to see if anything is attached to the connector.
	 * @force is set to false whilst polling, true when checking the
	 * connector due to user request. @force can be used by the driver
	 * to avoid expensive, destructive operations during automated
	 * probing.
	 */
	enum drm_connector_status (*detect)(struct drm_connector *connector,
					    bool force);
	int (*fill_modes)(struct drm_connector *connector, uint32_t max_width, uint32_t max_height);
	int (*set_property)(struct drm_connector *connector, struct drm_property *property,
			     uint64_t val);
	void (*destroy)(struct drm_connector *connector);
	void (*force)(struct drm_connector *connector);
};
 
/**
 * drm_encoder_funcs - encoder controls
 * @reset: reset state (e.g. at init or resume time)
 * @destroy: cleanup and free associated data
 *
 * Encoders sit between CRTCs and connectors.
 */
struct drm_encoder_funcs {
	void (*reset)(struct drm_encoder *encoder);
	void (*destroy)(struct drm_encoder *encoder);
};
 
#define DRM_CONNECTOR_MAX_UMODES 16
#define DRM_CONNECTOR_LEN 32
#define DRM_CONNECTOR_MAX_ENCODER 3
 
/**
 * drm_encoder - central DRM encoder structure
 * @dev: parent DRM device
 * @head: list management
 * @base: base KMS object
 * @encoder_type: one of the %DRM_MODE_ENCODER_ types in drm_mode.h
 * @possible_crtcs: bitmask of potential CRTC bindings
 * @possible_clones: bitmask of potential sibling encoders for cloning
 * @crtc: currently bound CRTC
 * @funcs: control functions
 * @helper_private: mid-layer private data
 *
 * CRTCs drive pixels to encoders, which convert them into signals
 * appropriate for a given connector or set of connectors.
 */
struct drm_encoder {
	struct drm_device *dev;
	struct list_head head;
 
	struct drm_mode_object base;
	int encoder_type;
	uint32_t possible_crtcs;
	uint32_t possible_clones;
 
	struct drm_crtc *crtc;
	const struct drm_encoder_funcs *funcs;
	void *helper_private;
};
 
enum drm_connector_force {
	DRM_FORCE_UNSPECIFIED,
	DRM_FORCE_OFF,
	DRM_FORCE_ON,         /* force on analog part normally */
	DRM_FORCE_ON_DIGITAL, /* for DVI-I use digital connector */
};
 
/* should we poll this connector for connects and disconnects */
/* hot plug detectable */
#define DRM_CONNECTOR_POLL_HPD (1 << 0)
/* poll for connections */
#define DRM_CONNECTOR_POLL_CONNECT (1 << 1)
/* can cleanly poll for disconnections without flickering the screen */
/* DACs should rarely do this without a lot of testing */
#define DRM_CONNECTOR_POLL_DISCONNECT (1 << 2)
 
#define MAX_ELD_BYTES	128
 
/**
 * drm_connector - central DRM connector control structure
 * @dev: parent DRM device
 * @kdev: kernel device for sysfs attributes
 * @attr: sysfs attributes
 * @head: list management
 * @base: base KMS object
 * @connector_type: one of the %DRM_MODE_CONNECTOR_ types from drm_mode.h
 * @connector_type_id: index into connector type enum
 * @interlace_allowed: can this connector handle interlaced modes?
 * @doublescan_allowed: can this connector handle doublescan?
 * @modes: modes available on this connector (from fill_modes() + user)
 * @status: one of the drm_connector_status enums (connected, not, or unknown)
 * @probed_modes: list of modes derived directly from the display
 * @display_info: information about attached display (e.g. from EDID)
 * @funcs: connector control functions
 * @user_modes: user added mode list
 * @edid_blob_ptr: DRM property containing EDID if present
 * @properties: property tracking for this connector
 * @polled: a %DRM_CONNECTOR_POLL_ value for core driven polling
 * @dpms: current dpms state
 * @helper_private: mid-layer private data
 * @force: a %DRM_FORCE_ state for forced mode sets
 * @encoder_ids: valid encoders for this connector
 * @encoder: encoder driving this connector, if any
 * @eld: EDID-like data, if present
 * @dvi_dual: dual link DVI, if found
 * @max_tmds_clock: max clock rate, if found
 * @latency_present: AV delay info from ELD, if found
 * @video_latency: video latency info from ELD, if found
 * @audio_latency: audio latency info from ELD, if found
 * @null_edid_counter: track sinks that give us all zeros for the EDID
 *
 * Each connector may be connected to one or more CRTCs, or may be clonable by
 * another connector if they can share a CRTC.  Each connector also has a specific
 * position in the broader display (referred to as a 'screen' though it could
 * span multiple monitors).
 */
struct drm_connector {
	struct drm_device *dev;
	struct device kdev;
	struct device_attribute *attr;
	struct list_head head;
 
	struct drm_mode_object base;
 
	int connector_type;
	int connector_type_id;
	bool interlace_allowed;
	bool doublescan_allowed;
	struct list_head modes; /* list of modes on this connector */
 
	enum drm_connector_status status;
 
	/* these are modes added by probing with DDC or the BIOS */
	struct list_head probed_modes;
 
	struct drm_display_info display_info;
	const struct drm_connector_funcs *funcs;
 
	struct list_head user_modes;
	struct drm_property_blob *edid_blob_ptr;
	struct drm_object_properties properties;
 
	uint8_t polled; /* DRM_CONNECTOR_POLL_* */
 
	/* requested DPMS state */
	int dpms;
 
	void *helper_private;
 
	/* forced on connector */
	enum drm_connector_force force;
	uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER];
	struct drm_encoder *encoder; /* currently active encoder */
 
	/* EDID bits */
	uint8_t eld[MAX_ELD_BYTES];
	bool dvi_dual;
	int max_tmds_clock;	/* in MHz */
	bool latency_present[2];
	int video_latency[2];	/* [0]: progressive, [1]: interlaced */
	int audio_latency[2];
	int null_edid_counter; /* needed to workaround some HW bugs where we get all 0s */
	unsigned bad_edid_counter;
};
 
/**
 * drm_plane_funcs - driver plane control functions
 * @update_plane: update the plane configuration
 * @disable_plane: shut down the plane
 * @destroy: clean up plane resources
 * @set_property: called when a property is changed
 */
struct drm_plane_funcs {
	int (*update_plane)(struct drm_plane *plane,
			    struct drm_crtc *crtc, struct drm_framebuffer *fb,
			    int crtc_x, int crtc_y,
			    unsigned int crtc_w, unsigned int crtc_h,
			    uint32_t src_x, uint32_t src_y,
			    uint32_t src_w, uint32_t src_h);
	int (*disable_plane)(struct drm_plane *plane);
	void (*destroy)(struct drm_plane *plane);
 
	int (*set_property)(struct drm_plane *plane,
			    struct drm_property *property, uint64_t val);
};
 
/**
 * drm_plane - central DRM plane control structure
 * @dev: DRM device this plane belongs to
 * @head: for list management
 * @base: base mode object
 * @possible_crtcs: pipes this plane can be bound to
 * @format_types: array of formats supported by this plane
 * @format_count: number of formats supported
 * @crtc: currently bound CRTC
 * @fb: currently bound fb
 * @gamma_size: size of gamma table
 * @gamma_store: gamma correction table
 * @enabled: enabled flag
 * @funcs: helper functions
 * @helper_private: storage for drver layer
 * @properties: property tracking for this plane
 */
struct drm_plane {
	struct drm_device *dev;
	struct list_head head;
 
	struct drm_mode_object base;
 
	uint32_t possible_crtcs;
	uint32_t *format_types;
	uint32_t format_count;
 
	struct drm_crtc *crtc;
	struct drm_framebuffer *fb;
 
	/* CRTC gamma size for reporting to userspace */
	uint32_t gamma_size;
	uint16_t *gamma_store;
 
	bool enabled;
 
	const struct drm_plane_funcs *funcs;
	void *helper_private;
 
	struct drm_object_properties properties;
};
 
/**
 * drm_mode_set - new values for a CRTC config change
 * @head: list management
 * @fb: framebuffer to use for new config
 * @crtc: CRTC whose configuration we're about to change
 * @mode: mode timings to use
 * @x: position of this CRTC relative to @fb
 * @y: position of this CRTC relative to @fb
 * @connectors: array of connectors to drive with this CRTC if possible
 * @num_connectors: size of @connectors array
 *
 * Represents a single crtc the connectors that it drives with what mode
 * and from which framebuffer it scans out from.
 *
 * This is used to set modes.
 */
struct drm_mode_set {
	struct drm_framebuffer *fb;
	struct drm_crtc *crtc;
	struct drm_display_mode *mode;
 
	uint32_t x;
	uint32_t y;
 
	struct drm_connector **connectors;
	size_t num_connectors;
};
 
/**
 * struct drm_mode_config_funcs - basic driver provided mode setting functions
 * @fb_create: create a new framebuffer object
 * @output_poll_changed: function to handle output configuration changes
 *
 * Some global (i.e. not per-CRTC, connector, etc) mode setting functions that
 * involve drivers.
 */
struct drm_mode_config_funcs {
	struct drm_framebuffer *(*fb_create)(struct drm_device *dev,
					     struct drm_file *file_priv,
					     struct drm_mode_fb_cmd2 *mode_cmd);
	void (*output_poll_changed)(struct drm_device *dev);
};
 
/**
 * drm_mode_group - group of mode setting resources for potential sub-grouping
 * @num_crtcs: CRTC count
 * @num_encoders: encoder count
 * @num_connectors: connector count
 * @id_list: list of KMS object IDs in this group
 *
 * Currently this simply tracks the global mode setting state.  But in the
 * future it could allow groups of objects to be set aside into independent
 * control groups for use by different user level processes (e.g. two X servers
 * running simultaneously on different heads, each with their own mode
 * configuration and freedom of mode setting).
 */
struct drm_mode_group {
	uint32_t num_crtcs;
	uint32_t num_encoders;
	uint32_t num_connectors;
 
	/* list of object IDs for this group */
	uint32_t *id_list;
};
 
/**
 * drm_mode_config - Mode configuration control structure
 * @mutex: mutex protecting KMS related lists and structures
 * @idr_mutex: mutex for KMS ID allocation and management
 * @crtc_idr: main KMS ID tracking object
 * @num_fb: number of fbs available
 * @fb_list: list of framebuffers available
 * @num_connector: number of connectors on this device
 * @connector_list: list of connector objects
 * @num_encoder: number of encoders on this device
 * @encoder_list: list of encoder objects
 * @num_crtc: number of CRTCs on this device
 * @crtc_list: list of CRTC objects
 * @min_width: minimum pixel width on this device
 * @min_height: minimum pixel height on this device
 * @max_width: maximum pixel width on this device
 * @max_height: maximum pixel height on this device
 * @funcs: core driver provided mode setting functions
 * @fb_base: base address of the framebuffer
 * @poll_enabled: track polling status for this device
 * @output_poll_work: delayed work for polling in process context
 * @*_property: core property tracking
 *
 * Core mode resource tracking structure.  All CRTC, encoders, and connectors
 * enumerated by the driver are added here, as are global properties.  Some
 * global restrictions are also here, e.g. dimension restrictions.
 */
struct drm_mode_config {
	struct mutex mutex; /* protects configuration (mode lists etc.) */
	struct mutex idr_mutex; /* for IDR management */
    struct idr crtc_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */
	/* this is limited to one for now */
 
 
	/**
	 * fb_lock - mutex to protect fb state
	 *
	 * Besides the global fb list his also protects the fbs list in the
	 * file_priv
	 */
	struct mutex fb_lock;
	int num_fb;
	struct list_head fb_list;
 
	int num_connector;
	struct list_head connector_list;
	int num_encoder;
	struct list_head encoder_list;
	int num_plane;
	struct list_head plane_list;
 
	int num_crtc;
	struct list_head crtc_list;
 
	struct list_head property_list;
 
	int min_width, min_height;
	int max_width, max_height;
	const struct drm_mode_config_funcs *funcs;
	resource_size_t fb_base;
 
	/* output poll support */
	bool poll_enabled;
	bool poll_running;
	struct delayed_work output_poll_work;
 
	/* pointers to standard properties */
	struct list_head property_blob_list;
	struct drm_property *edid_property;
	struct drm_property *dpms_property;
 
	/* DVI-I properties */
	struct drm_property *dvi_i_subconnector_property;
	struct drm_property *dvi_i_select_subconnector_property;
 
	/* TV properties */
	struct drm_property *tv_subconnector_property;
	struct drm_property *tv_select_subconnector_property;
	struct drm_property *tv_mode_property;
	struct drm_property *tv_left_margin_property;
	struct drm_property *tv_right_margin_property;
	struct drm_property *tv_top_margin_property;
	struct drm_property *tv_bottom_margin_property;
	struct drm_property *tv_brightness_property;
	struct drm_property *tv_contrast_property;
	struct drm_property *tv_flicker_reduction_property;
	struct drm_property *tv_overscan_property;
	struct drm_property *tv_saturation_property;
	struct drm_property *tv_hue_property;
 
	/* Optional properties */
	struct drm_property *scaling_mode_property;
	struct drm_property *dithering_mode_property;
	struct drm_property *dirty_info_property;
 
	/* dumb ioctl parameters */
	uint32_t preferred_depth, prefer_shadow;
};
 
#define obj_to_crtc(x) container_of(x, struct drm_crtc, base)
#define obj_to_connector(x) container_of(x, struct drm_connector, base)
#define obj_to_encoder(x) container_of(x, struct drm_encoder, base)
#define obj_to_mode(x) container_of(x, struct drm_display_mode, base)
#define obj_to_fb(x) container_of(x, struct drm_framebuffer, base)
#define obj_to_property(x) container_of(x, struct drm_property, base)
#define obj_to_blob(x) container_of(x, struct drm_property_blob, base)
#define obj_to_plane(x) container_of(x, struct drm_plane, base)
 
struct drm_prop_enum_list {
	int type;
	char *name;
};
 
extern void drm_modeset_lock_all(struct drm_device *dev);
extern void drm_modeset_unlock_all(struct drm_device *dev);
extern void drm_warn_on_modeset_not_all_locked(struct drm_device *dev);
 
extern int drm_crtc_init(struct drm_device *dev,
			  struct drm_crtc *crtc,
			  const struct drm_crtc_funcs *funcs);
extern void drm_crtc_cleanup(struct drm_crtc *crtc);
 
extern int drm_connector_init(struct drm_device *dev,
			    struct drm_connector *connector,
			    const struct drm_connector_funcs *funcs,
			    int connector_type);
 
extern void drm_connector_cleanup(struct drm_connector *connector);
/* helper to unplug all connectors from sysfs for device */
extern void drm_connector_unplug_all(struct drm_device *dev);
 
extern int drm_encoder_init(struct drm_device *dev,
			     struct drm_encoder *encoder,
			     const struct drm_encoder_funcs *funcs,
			     int encoder_type);
 
extern int drm_plane_init(struct drm_device *dev,
			  struct drm_plane *plane,
			  unsigned long possible_crtcs,
			  const struct drm_plane_funcs *funcs,
			  const uint32_t *formats, uint32_t format_count,
			  bool priv);
extern void drm_plane_cleanup(struct drm_plane *plane);
 
extern void drm_encoder_cleanup(struct drm_encoder *encoder);
 
extern char *drm_get_connector_name(struct drm_connector *connector);
extern char *drm_get_dpms_name(int val);
extern char *drm_get_dvi_i_subconnector_name(int val);
extern char *drm_get_dvi_i_select_name(int val);
extern char *drm_get_tv_subconnector_name(int val);
extern char *drm_get_tv_select_name(int val);
extern void drm_fb_release(struct drm_file *file_priv);
extern int drm_mode_group_init_legacy_group(struct drm_device *dev, struct drm_mode_group *group);
extern bool drm_probe_ddc(struct i2c_adapter *adapter);
extern struct edid *drm_get_edid(struct drm_connector *connector,
				 struct i2c_adapter *adapter);
extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid);
extern void drm_mode_probed_add(struct drm_connector *connector, struct drm_display_mode *mode);
extern void drm_mode_remove(struct drm_connector *connector, struct drm_display_mode *mode);
extern void drm_mode_copy(struct drm_display_mode *dst, const struct drm_display_mode *src);
extern struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev,
						   const struct drm_display_mode *mode);
extern void drm_mode_debug_printmodeline(const struct drm_display_mode *mode);
extern void drm_mode_config_init(struct drm_device *dev);
extern void drm_mode_config_reset(struct drm_device *dev);
extern void drm_mode_config_cleanup(struct drm_device *dev);
extern void drm_mode_set_name(struct drm_display_mode *mode);
extern bool drm_mode_equal(const struct drm_display_mode *mode1, const struct drm_display_mode *mode2);
extern int drm_mode_width(const struct drm_display_mode *mode);
extern int drm_mode_height(const struct drm_display_mode *mode);
 
/* for us by fb module */
extern int drm_mode_attachmode_crtc(struct drm_device *dev,
				    struct drm_crtc *crtc,
				    const struct drm_display_mode *mode);
extern int drm_mode_detachmode_crtc(struct drm_device *dev, struct drm_display_mode *mode);
 
extern struct drm_display_mode *drm_mode_create(struct drm_device *dev);
extern void drm_mode_destroy(struct drm_device *dev, struct drm_display_mode *mode);
extern void drm_mode_list_concat(struct list_head *head,
                struct list_head *new);
extern void drm_mode_validate_size(struct drm_device *dev,
                  struct list_head *mode_list,
                  int maxX, int maxY, int maxPitch);
extern void drm_mode_prune_invalid(struct drm_device *dev,
                  struct list_head *mode_list, bool verbose);
extern void drm_mode_sort(struct list_head *mode_list);
extern int drm_mode_hsync(const struct drm_display_mode *mode);
extern int drm_mode_vrefresh(const struct drm_display_mode *mode);
extern void drm_mode_set_crtcinfo(struct drm_display_mode *p,
				  int adjust_flags);
extern void drm_mode_connector_list_update(struct drm_connector *connector);
extern int drm_mode_connector_update_edid_property(struct drm_connector *connector,
                       struct edid *edid);
extern int drm_object_property_set_value(struct drm_mode_object *obj,
					 struct drm_property *property,
					 uint64_t val);
extern int drm_object_property_get_value(struct drm_mode_object *obj,
					 struct drm_property *property,
					 uint64_t *value);
extern struct drm_display_mode *drm_crtc_mode_create(struct drm_device *dev);
extern void drm_framebuffer_set_object(struct drm_device *dev,
				       unsigned long handle);
extern int drm_framebuffer_init(struct drm_device *dev,
				struct drm_framebuffer *fb,
				const struct drm_framebuffer_funcs *funcs);
extern struct drm_framebuffer *drm_framebuffer_lookup(struct drm_device *dev,
						      uint32_t id);
extern void drm_framebuffer_unreference(struct drm_framebuffer *fb);
extern void drm_framebuffer_reference(struct drm_framebuffer *fb);
extern void drm_framebuffer_remove(struct drm_framebuffer *fb);
extern void drm_framebuffer_cleanup(struct drm_framebuffer *fb);
extern void drm_framebuffer_unregister_private(struct drm_framebuffer *fb);
extern int drmfb_probe(struct drm_device *dev, struct drm_crtc *crtc);
extern int drmfb_remove(struct drm_device *dev, struct drm_framebuffer *fb);
extern void drm_crtc_probe_connector_modes(struct drm_device *dev, int maxX, int maxY);
extern bool drm_crtc_in_use(struct drm_crtc *crtc);
 
extern void drm_object_attach_property(struct drm_mode_object *obj,
				       struct drm_property *property,
				       uint64_t init_val);
extern struct drm_property *drm_property_create(struct drm_device *dev, int flags,
						const char *name, int num_values);
extern struct drm_property *drm_property_create_enum(struct drm_device *dev, int flags,
					 const char *name,
					 const struct drm_prop_enum_list *props,
					 int num_values);
struct drm_property *drm_property_create_bitmask(struct drm_device *dev,
					 int flags, const char *name,
					 const struct drm_prop_enum_list *props,
					 int num_values);
struct drm_property *drm_property_create_range(struct drm_device *dev, int flags,
					 const char *name,
					 uint64_t min, uint64_t max);
extern void drm_property_destroy(struct drm_device *dev, struct drm_property *property);
extern int drm_property_add_enum(struct drm_property *property, int index,
				 uint64_t value, const char *name);
extern int drm_mode_create_dvi_i_properties(struct drm_device *dev);
extern int drm_mode_create_tv_properties(struct drm_device *dev, int num_formats,
				     char *formats[]);
extern int drm_mode_create_scaling_mode_property(struct drm_device *dev);
extern int drm_mode_create_dithering_property(struct drm_device *dev);
extern int drm_mode_create_dirty_info_property(struct drm_device *dev);
extern char *drm_get_encoder_name(struct drm_encoder *encoder);
 
extern int drm_mode_connector_attach_encoder(struct drm_connector *connector,
					     struct drm_encoder *encoder);
extern void drm_mode_connector_detach_encoder(struct drm_connector *connector,
					   struct drm_encoder *encoder);
extern int drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc,
					 int gamma_size);
extern struct drm_mode_object *drm_mode_object_find(struct drm_device *dev,
		uint32_t id, uint32_t type);
/* IOCTLs */
extern int drm_mode_getresources(struct drm_device *dev,
				 void *data, struct drm_file *file_priv);
extern int drm_mode_getplane_res(struct drm_device *dev, void *data,
				   struct drm_file *file_priv);
extern int drm_mode_getcrtc(struct drm_device *dev,
			    void *data, struct drm_file *file_priv);
extern int drm_mode_getconnector(struct drm_device *dev,
			      void *data, struct drm_file *file_priv);
extern int drm_mode_set_config_internal(struct drm_mode_set *set);
extern int drm_mode_setcrtc(struct drm_device *dev,
			    void *data, struct drm_file *file_priv);
extern int drm_mode_getplane(struct drm_device *dev,
			       void *data, struct drm_file *file_priv);
extern int drm_mode_setplane(struct drm_device *dev,
			       void *data, struct drm_file *file_priv);
extern int drm_mode_cursor_ioctl(struct drm_device *dev,
				void *data, struct drm_file *file_priv);
extern int drm_mode_addfb(struct drm_device *dev,
			  void *data, struct drm_file *file_priv);
extern int drm_mode_addfb2(struct drm_device *dev,
			   void *data, struct drm_file *file_priv);
extern uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth);
extern int drm_mode_rmfb(struct drm_device *dev,
			 void *data, struct drm_file *file_priv);
extern int drm_mode_getfb(struct drm_device *dev,
			  void *data, struct drm_file *file_priv);
extern int drm_mode_dirtyfb_ioctl(struct drm_device *dev,
				  void *data, struct drm_file *file_priv);
extern int drm_mode_addmode_ioctl(struct drm_device *dev,
				  void *data, struct drm_file *file_priv);
extern int drm_mode_rmmode_ioctl(struct drm_device *dev,
				 void *data, struct drm_file *file_priv);
extern int drm_mode_attachmode_ioctl(struct drm_device *dev,
				     void *data, struct drm_file *file_priv);
extern int drm_mode_detachmode_ioctl(struct drm_device *dev,
				     void *data, struct drm_file *file_priv);
 
extern int drm_mode_getproperty_ioctl(struct drm_device *dev,
				      void *data, struct drm_file *file_priv);
extern int drm_mode_getblob_ioctl(struct drm_device *dev,
				  void *data, struct drm_file *file_priv);
extern int drm_mode_connector_property_set_ioctl(struct drm_device *dev,
					      void *data, struct drm_file *file_priv);
extern int drm_mode_hotplug_ioctl(struct drm_device *dev,
				  void *data, struct drm_file *file_priv);
extern int drm_mode_replacefb(struct drm_device *dev,
			      void *data, struct drm_file *file_priv);
extern int drm_mode_getencoder(struct drm_device *dev,
			       void *data, struct drm_file *file_priv);
extern int drm_mode_gamma_get_ioctl(struct drm_device *dev,
				    void *data, struct drm_file *file_priv);
extern int drm_mode_gamma_set_ioctl(struct drm_device *dev,
				    void *data, struct drm_file *file_priv);
extern u8 *drm_find_cea_extension(struct edid *edid);
extern u8 drm_match_cea_mode(const struct drm_display_mode *to_match);
extern bool drm_detect_hdmi_monitor(struct edid *edid);
extern bool drm_detect_monitor_audio(struct edid *edid);
extern bool drm_rgb_quant_range_selectable(struct edid *edid);
extern int drm_mode_page_flip_ioctl(struct drm_device *dev,
				    void *data, struct drm_file *file_priv);
extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev,
				int hdisplay, int vdisplay, int vrefresh,
				bool reduced, bool interlaced, bool margins);
extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev,
				int hdisplay, int vdisplay, int vrefresh,
				bool interlaced, int margins);
extern struct drm_display_mode *drm_gtf_mode_complex(struct drm_device *dev,
				int hdisplay, int vdisplay, int vrefresh,
				bool interlaced, int margins, int GTF_M,
				int GTF_2C, int GTF_K, int GTF_2J);
extern int drm_add_modes_noedid(struct drm_connector *connector,
				int hdisplay, int vdisplay);
 
extern int drm_edid_header_is_valid(const u8 *raw_edid);
extern bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid);
extern bool drm_edid_is_valid(struct edid *edid);
struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
					   int hsize, int vsize, int fresh,
					   bool rb);
 
extern int drm_mode_create_dumb_ioctl(struct drm_device *dev,
				      void *data, struct drm_file *file_priv);
extern int drm_mode_mmap_dumb_ioctl(struct drm_device *dev,
				    void *data, struct drm_file *file_priv);
extern int drm_mode_destroy_dumb_ioctl(struct drm_device *dev,
				      void *data, struct drm_file *file_priv);
extern int drm_mode_obj_get_properties_ioctl(struct drm_device *dev, void *data,
					     struct drm_file *file_priv);
extern int drm_mode_obj_set_property_ioctl(struct drm_device *dev, void *data,
					   struct drm_file *file_priv);
 
extern void drm_fb_get_bpp_depth(uint32_t format, unsigned int *depth,
				 int *bpp);
extern int drm_format_num_planes(uint32_t format);
extern int drm_format_plane_cpp(uint32_t format, int plane);
extern int drm_format_horz_chroma_subsampling(uint32_t format);
extern int drm_format_vert_chroma_subsampling(uint32_t format);
 
#endif /* __DRM_CRTC_H__ */
/*
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Rev 3391	Rev 3480
1	/*	1	/*
2	* Copyright © 2006 Keith Packard	2	* Copyright © 2006 Keith Packard
3	* Copyright © 2007-2008 Dave Airlie	3	* Copyright © 2007-2008 Dave Airlie
4	* Copyright © 2007-2008 Intel Corporation	4	* Copyright © 2007-2008 Intel Corporation
5	* Jesse Barnes	5	* Jesse Barnes
6	*	6	*
7	* Permission is hereby granted, free of charge, to any person obtaining a	7	* Permission is hereby granted, free of charge, to any person obtaining a
8	* copy of this software and associated documentation files (the "Software"),	8	* copy of this software and associated documentation files (the "Software"),
9	* to deal in the Software without restriction, including without limitation	9	* to deal in the Software without restriction, including without limitation
10	* the rights to use, copy, modify, merge, publish, distribute, sublicense,	10	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
11	* and/or sell copies of the Software, and to permit persons to whom the	11	* and/or sell copies of the Software, and to permit persons to whom the
12	* Software is furnished to do so, subject to the following conditions:	12	* Software is furnished to do so, subject to the following conditions:
13	*	13	*
14	* The above copyright notice and this permission notice shall be included in	14	* The above copyright notice and this permission notice shall be included in
15	* all copies or substantial portions of the Software.	15	* all copies or substantial portions of the Software.
16	*	16	*
17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR	17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,	18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL	19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR	20	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
21	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,	21	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR	22	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23	* OTHER DEALINGS IN THE SOFTWARE.	23	* OTHER DEALINGS IN THE SOFTWARE.
24	*/	24	*/
25	#ifndef __DRM_CRTC_H__	25	#ifndef __DRM_CRTC_H__
26	#define __DRM_CRTC_H__	26	#define __DRM_CRTC_H__
27		27
28	#include	28	#include
29	#include	29	#include
30	#include	30	#include
31	#include	31	#include
32	#include	32	#include
33	#include	33	#include
34		34
35	#include	35	#include
36		36
37	struct drm_device;	37	struct drm_device;
38	struct drm_mode_set;	38	struct drm_mode_set;
39	struct drm_framebuffer;	39	struct drm_framebuffer;
40	struct drm_object_properties;	40	struct drm_object_properties;
41	struct drm_file;	41	struct drm_file;
42	struct drm_clip_rect;	42	struct drm_clip_rect;
43		43
44	#define DRM_MODE_OBJECT_CRTC 0xcccccccc	44	#define DRM_MODE_OBJECT_CRTC 0xcccccccc
45	#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0	45	#define DRM_MODE_OBJECT_CONNECTOR 0xc0c0c0c0
46	#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0	46	#define DRM_MODE_OBJECT_ENCODER 0xe0e0e0e0
47	#define DRM_MODE_OBJECT_MODE 0xdededede	47	#define DRM_MODE_OBJECT_MODE 0xdededede
48	#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0	48	#define DRM_MODE_OBJECT_PROPERTY 0xb0b0b0b0
49	#define DRM_MODE_OBJECT_FB 0xfbfbfbfb	49	#define DRM_MODE_OBJECT_FB 0xfbfbfbfb
50	#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb	50	#define DRM_MODE_OBJECT_BLOB 0xbbbbbbbb
51	#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee	51	#define DRM_MODE_OBJECT_PLANE 0xeeeeeeee
52		52
53	struct drm_mode_object {	53	struct drm_mode_object {
54	uint32_t id;	54	uint32_t id;
55	uint32_t type;	55	uint32_t type;
56	struct drm_object_properties *properties;	56	struct drm_object_properties *properties;
57	};	57	};
58		58
59	#define DRM_OBJECT_MAX_PROPERTY 24	59	#define DRM_OBJECT_MAX_PROPERTY 24
60	struct drm_object_properties {	60	struct drm_object_properties {
61	int count;	61	int count;
62	uint32_t ids[DRM_OBJECT_MAX_PROPERTY];	62	uint32_t ids[DRM_OBJECT_MAX_PROPERTY];
63	uint64_t values[DRM_OBJECT_MAX_PROPERTY];	63	uint64_t values[DRM_OBJECT_MAX_PROPERTY];
64	};	64	};
65		65
66	/*	66	/*
67	* Note on terminology: here, for brevity and convenience, we refer to connector	67	* Note on terminology: here, for brevity and convenience, we refer to connector
68	* control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS,	68	* control chips as 'CRTCs'. They can control any type of connector, VGA, LVDS,
69	* DVI, etc. And 'screen' refers to the whole of the visible display, which	69	* DVI, etc. And 'screen' refers to the whole of the visible display, which
70	* may span multiple monitors (and therefore multiple CRTC and connector	70	* may span multiple monitors (and therefore multiple CRTC and connector
71	* structures).	71	* structures).
72	*/	72	*/
73		73
74	enum drm_mode_status {	74	enum drm_mode_status {
75	MODE_OK = 0, /* Mode OK */	75	MODE_OK = 0, /* Mode OK */
76	MODE_HSYNC, /* hsync out of range */	76	MODE_HSYNC, /* hsync out of range */
77	MODE_VSYNC, /* vsync out of range */	77	MODE_VSYNC, /* vsync out of range */
78	MODE_H_ILLEGAL, /* mode has illegal horizontal timings */	78	MODE_H_ILLEGAL, /* mode has illegal horizontal timings */
79	MODE_V_ILLEGAL, /* mode has illegal horizontal timings */	79	MODE_V_ILLEGAL, /* mode has illegal horizontal timings */
80	MODE_BAD_WIDTH, /* requires an unsupported linepitch */	80	MODE_BAD_WIDTH, /* requires an unsupported linepitch */
81	MODE_NOMODE, /* no mode with a matching name */	81	MODE_NOMODE, /* no mode with a matching name */
82	MODE_NO_INTERLACE, /* interlaced mode not supported */	82	MODE_NO_INTERLACE, /* interlaced mode not supported */
83	MODE_NO_DBLESCAN, /* doublescan mode not supported */	83	MODE_NO_DBLESCAN, /* doublescan mode not supported */
84	MODE_NO_VSCAN, /* multiscan mode not supported */	84	MODE_NO_VSCAN, /* multiscan mode not supported */
85	MODE_MEM, /* insufficient video memory */	85	MODE_MEM, /* insufficient video memory */
86	MODE_VIRTUAL_X, /* mode width too large for specified virtual size */	86	MODE_VIRTUAL_X, /* mode width too large for specified virtual size */
87	MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */	87	MODE_VIRTUAL_Y, /* mode height too large for specified virtual size */
88	MODE_MEM_VIRT, /* insufficient video memory given virtual size */	88	MODE_MEM_VIRT, /* insufficient video memory given virtual size */
89	MODE_NOCLOCK, /* no fixed clock available */	89	MODE_NOCLOCK, /* no fixed clock available */
90	MODE_CLOCK_HIGH, /* clock required is too high */	90	MODE_CLOCK_HIGH, /* clock required is too high */
91	MODE_CLOCK_LOW, /* clock required is too low */	91	MODE_CLOCK_LOW, /* clock required is too low */
92	MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */	92	MODE_CLOCK_RANGE, /* clock/mode isn't in a ClockRange */
93	MODE_BAD_HVALUE, /* horizontal timing was out of range */	93	MODE_BAD_HVALUE, /* horizontal timing was out of range */
94	MODE_BAD_VVALUE, /* vertical timing was out of range */	94	MODE_BAD_VVALUE, /* vertical timing was out of range */
95	MODE_BAD_VSCAN, /* VScan value out of range */	95	MODE_BAD_VSCAN, /* VScan value out of range */
96	MODE_HSYNC_NARROW, /* horizontal sync too narrow */	96	MODE_HSYNC_NARROW, /* horizontal sync too narrow */
97	MODE_HSYNC_WIDE, /* horizontal sync too wide */	97	MODE_HSYNC_WIDE, /* horizontal sync too wide */
98	MODE_HBLANK_NARROW, /* horizontal blanking too narrow */	98	MODE_HBLANK_NARROW, /* horizontal blanking too narrow */
99	MODE_HBLANK_WIDE, /* horizontal blanking too wide */	99	MODE_HBLANK_WIDE, /* horizontal blanking too wide */
100	MODE_VSYNC_NARROW, /* vertical sync too narrow */	100	MODE_VSYNC_NARROW, /* vertical sync too narrow */
101	MODE_VSYNC_WIDE, /* vertical sync too wide */	101	MODE_VSYNC_WIDE, /* vertical sync too wide */
102	MODE_VBLANK_NARROW, /* vertical blanking too narrow */	102	MODE_VBLANK_NARROW, /* vertical blanking too narrow */
103	MODE_VBLANK_WIDE, /* vertical blanking too wide */	103	MODE_VBLANK_WIDE, /* vertical blanking too wide */
104	MODE_PANEL, /* exceeds panel dimensions */	104	MODE_PANEL, /* exceeds panel dimensions */
105	MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */	105	MODE_INTERLACE_WIDTH, /* width too large for interlaced mode */
106	MODE_ONE_WIDTH, /* only one width is supported */	106	MODE_ONE_WIDTH, /* only one width is supported */
107	MODE_ONE_HEIGHT, /* only one height is supported */	107	MODE_ONE_HEIGHT, /* only one height is supported */
108	MODE_ONE_SIZE, /* only one resolution is supported */	108	MODE_ONE_SIZE, /* only one resolution is supported */
109	MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */	109	MODE_NO_REDUCED, /* monitor doesn't accept reduced blanking */
110	MODE_UNVERIFIED = -3, /* mode needs to reverified */	110	MODE_UNVERIFIED = -3, /* mode needs to reverified */
111	MODE_BAD = -2, /* unspecified reason */	111	MODE_BAD = -2, /* unspecified reason */
112	MODE_ERROR = -1 /* error condition */	112	MODE_ERROR = -1 /* error condition */
113	};	113	};
114		114
115	#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C \| \	115	#define DRM_MODE_TYPE_CLOCK_CRTC_C (DRM_MODE_TYPE_CLOCK_C \| \
116	DRM_MODE_TYPE_CRTC_C)	116	DRM_MODE_TYPE_CRTC_C)
117		117
118	#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \	118	#define DRM_MODE(nm, t, c, hd, hss, hse, ht, hsk, vd, vss, vse, vt, vs, f) \
119	.name = nm, .status = 0, .type = (t), .clock = (c), \	119	.name = nm, .status = 0, .type = (t), .clock = (c), \
120	.hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \	120	.hdisplay = (hd), .hsync_start = (hss), .hsync_end = (hse), \
121	.htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \	121	.htotal = (ht), .hskew = (hsk), .vdisplay = (vd), \
122	.vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \	122	.vsync_start = (vss), .vsync_end = (vse), .vtotal = (vt), \
123	.vscan = (vs), .flags = (f), .vrefresh = 0, \	123	.vscan = (vs), .flags = (f), .vrefresh = 0, \
124	.base.type = DRM_MODE_OBJECT_MODE	124	.base.type = DRM_MODE_OBJECT_MODE
125		125
126	#define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */	126	#define CRTC_INTERLACE_HALVE_V 0x1 /* halve V values for interlacing */
127		127
128	struct drm_display_mode {	128	struct drm_display_mode {
129	/* Header */	129	/* Header */
130	struct list_head head;	130	struct list_head head;
131	struct drm_mode_object base;	131	struct drm_mode_object base;
132		132
133	char name[DRM_DISPLAY_MODE_LEN];	133	char name[DRM_DISPLAY_MODE_LEN];
134		134
135	enum drm_mode_status status;	135	enum drm_mode_status status;
136	unsigned int type;	136	unsigned int type;
137		137
138	/* Proposed mode values */	138	/* Proposed mode values */
139	int clock; /* in kHz */	139	int clock; /* in kHz */
140	int hdisplay;	140	int hdisplay;
141	int hsync_start;	141	int hsync_start;
142	int hsync_end;	142	int hsync_end;
143	int htotal;	143	int htotal;
144	int hskew;	144	int hskew;
145	int vdisplay;	145	int vdisplay;
146	int vsync_start;	146	int vsync_start;
147	int vsync_end;	147	int vsync_end;
148	int vtotal;	148	int vtotal;
149	int vscan;	149	int vscan;
150	unsigned int flags;	150	unsigned int flags;
151		151
152	/* Addressable image size (may be 0 for projectors, etc.) */	152	/* Addressable image size (may be 0 for projectors, etc.) */
153	int width_mm;	153	int width_mm;
154	int height_mm;	154	int height_mm;
155		155
156	/* Actual mode we give to hw */	156	/* Actual mode we give to hw */
157	int clock_index;	157	int clock_index;
158	int synth_clock;	158	int synth_clock;
159	int crtc_hdisplay;	159	int crtc_hdisplay;
160	int crtc_hblank_start;	160	int crtc_hblank_start;
161	int crtc_hblank_end;	161	int crtc_hblank_end;
162	int crtc_hsync_start;	162	int crtc_hsync_start;
163	int crtc_hsync_end;	163	int crtc_hsync_end;
164	int crtc_htotal;	164	int crtc_htotal;
165	int crtc_hskew;	165	int crtc_hskew;
166	int crtc_vdisplay;	166	int crtc_vdisplay;
167	int crtc_vblank_start;	167	int crtc_vblank_start;
168	int crtc_vblank_end;	168	int crtc_vblank_end;
169	int crtc_vsync_start;	169	int crtc_vsync_start;
170	int crtc_vsync_end;	170	int crtc_vsync_end;
171	int crtc_vtotal;	171	int crtc_vtotal;
172		172
173	/* Driver private mode info */	173	/* Driver private mode info */
174	int private_size;	174	int private_size;
175	int *private;	175	int *private;
176	int private_flags;	176	int private_flags;
177		177
178	int vrefresh; /* in Hz */	178	int vrefresh; /* in Hz */
179	int hsync; /* in kHz */	179	int hsync; /* in kHz */
180	};	180	};
181		181
182	enum drm_connector_status {	182	enum drm_connector_status {
183	connector_status_connected = 1,	183	connector_status_connected = 1,
184	connector_status_disconnected = 2,	184	connector_status_disconnected = 2,
185	connector_status_unknown = 3,	185	connector_status_unknown = 3,
186	};	186	};
187		187
188	enum subpixel_order {	188	enum subpixel_order {
189	SubPixelUnknown = 0,	189	SubPixelUnknown = 0,
190	SubPixelHorizontalRGB,	190	SubPixelHorizontalRGB,
191	SubPixelHorizontalBGR,	191	SubPixelHorizontalBGR,
192	SubPixelVerticalRGB,	192	SubPixelVerticalRGB,
193	SubPixelVerticalBGR,	193	SubPixelVerticalBGR,
194	SubPixelNone,	194	SubPixelNone,
195	};	195	};
196		196
197	#define DRM_COLOR_FORMAT_RGB444 (1<<0)	197	#define DRM_COLOR_FORMAT_RGB444 (1<<0)
198	#define DRM_COLOR_FORMAT_YCRCB444 (1<<1)	198	#define DRM_COLOR_FORMAT_YCRCB444 (1<<1)
199	#define DRM_COLOR_FORMAT_YCRCB422 (1<<2)	199	#define DRM_COLOR_FORMAT_YCRCB422 (1<<2)
200	/*	200	/*
201	* Describes a given display (e.g. CRT or flat panel) and its limitations.	201	* Describes a given display (e.g. CRT or flat panel) and its limitations.
202	*/	202	*/
203	struct drm_display_info {	203	struct drm_display_info {
204	char name[DRM_DISPLAY_INFO_LEN];	204	char name[DRM_DISPLAY_INFO_LEN];
205		205
206	/* Physical size */	206	/* Physical size */
207	unsigned int width_mm;	207	unsigned int width_mm;
208	unsigned int height_mm;	208	unsigned int height_mm;
209		209
210	/* Clock limits FIXME: storage format */	210	/* Clock limits FIXME: storage format */
211	unsigned int min_vfreq, max_vfreq;	211	unsigned int min_vfreq, max_vfreq;
212	unsigned int min_hfreq, max_hfreq;	212	unsigned int min_hfreq, max_hfreq;
213	unsigned int pixel_clock;	213	unsigned int pixel_clock;
214	unsigned int bpc;	214	unsigned int bpc;
215		215
216	enum subpixel_order subpixel_order;	216	enum subpixel_order subpixel_order;
217	u32 color_formats;	217	u32 color_formats;
218		218
219	u8 cea_rev;	219	u8 cea_rev;
220	};	220	};
221		221
222	struct drm_framebuffer_funcs {	222	struct drm_framebuffer_funcs {
223	/* note: use drm_framebuffer_remove() */	223	/* note: use drm_framebuffer_remove() */
224	void (destroy)(struct drm_framebuffer framebuffer);	224	void (destroy)(struct drm_framebuffer framebuffer);
225	int (create_handle)(struct drm_framebuffer fb,	225	int (create_handle)(struct drm_framebuffer fb,
226	struct drm_file *file_priv,	226	struct drm_file *file_priv,
227	unsigned int *handle);	227	unsigned int *handle);
228	/**	228	/**
229	* Optinal callback for the dirty fb ioctl.	229	* Optinal callback for the dirty fb ioctl.
230	*	230	*
231	* Userspace can notify the driver via this callback	231	* Userspace can notify the driver via this callback
232	* that a area of the framebuffer has changed and should	232	* that a area of the framebuffer has changed and should
233	* be flushed to the display hardware.	233	* be flushed to the display hardware.
234	*	234	*
235	* See documentation in drm_mode.h for the struct	235	* See documentation in drm_mode.h for the struct
236	* drm_mode_fb_dirty_cmd for more information as all	236	* drm_mode_fb_dirty_cmd for more information as all
237	* the semantics and arguments have a one to one mapping	237	* the semantics and arguments have a one to one mapping
238	* on this function.	238	* on this function.
239	*/	239	*/
240	int (dirty)(struct drm_framebuffer framebuffer,	240	int (dirty)(struct drm_framebuffer framebuffer,
241	struct drm_file *file_priv, unsigned flags,	241	struct drm_file *file_priv, unsigned flags,
242	unsigned color, struct drm_clip_rect *clips,	242	unsigned color, struct drm_clip_rect *clips,
243	unsigned num_clips);	243	unsigned num_clips);
244	};	244	};
245		245
246	struct drm_framebuffer {	246	struct drm_framebuffer {
247	struct drm_device *dev;	247	struct drm_device *dev;
248	/*	248	/*
249	* Note that the fb is refcounted for the benefit of driver internals,	249	* Note that the fb is refcounted for the benefit of driver internals,
250	* for example some hw, disabling a CRTC/plane is asynchronous, and	250	* for example some hw, disabling a CRTC/plane is asynchronous, and
251	* scanout does not actually complete until the next vblank. So some	251	* scanout does not actually complete until the next vblank. So some
252	* cleanup (like releasing the reference(s) on the backing GEM bo(s))	252	* cleanup (like releasing the reference(s) on the backing GEM bo(s))
253	* should be deferred. In cases like this, the driver would like to	253	* should be deferred. In cases like this, the driver would like to
254	* hold a ref to the fb even though it has already been removed from	254	* hold a ref to the fb even though it has already been removed from
255	* userspace perspective.	255	* userspace perspective.
256	*/	256	*/
257	struct kref refcount;	257	struct kref refcount;
258	/*	258	/*
259	* Place on the dev->mode_config.fb_list, access protected by	259	* Place on the dev->mode_config.fb_list, access protected by
260	* dev->mode_config.fb_lock.	260	* dev->mode_config.fb_lock.
261	*/	261	*/
262	struct list_head head;	262	struct list_head head;
263	struct drm_mode_object base;	263	struct drm_mode_object base;
264	const struct drm_framebuffer_funcs *funcs;	264	const struct drm_framebuffer_funcs *funcs;
265	unsigned int pitches[4];	265	unsigned int pitches[4];
266	unsigned int offsets[4];	266	unsigned int offsets[4];
267	unsigned int width;	267	unsigned int width;
268	unsigned int height;	268	unsigned int height;
269	/* depth can be 15 or 16 */	269	/* depth can be 15 or 16 */
270	unsigned int depth;	270	unsigned int depth;
271	int bits_per_pixel;	271	int bits_per_pixel;
272	int flags;	272	int flags;
273	uint32_t pixel_format; /* fourcc format */	273	uint32_t pixel_format; /* fourcc format */
274	struct list_head filp_head;	274	struct list_head filp_head;
275	/* if you are using the helper */	275	/* if you are using the helper */
276	void *helper_private;	276	void *helper_private;
277	};	277	};
278		278
279	struct drm_property_blob {	279	struct drm_property_blob {
280	struct drm_mode_object base;	280	struct drm_mode_object base;
281	struct list_head head;	281	struct list_head head;
282	unsigned int length;	282	unsigned int length;
283	unsigned char data[];	283	unsigned char data[];
284	};	284	};
285		285
286	struct drm_property_enum {	286	struct drm_property_enum {
287	uint64_t value;	287	uint64_t value;
288	struct list_head head;	288	struct list_head head;
289	char name[DRM_PROP_NAME_LEN];	289	char name[DRM_PROP_NAME_LEN];
290	};	290	};
291		291
292	struct drm_property {	292	struct drm_property {
293	struct list_head head;	293	struct list_head head;
294	struct drm_mode_object base;	294	struct drm_mode_object base;
295	uint32_t flags;	295	uint32_t flags;
296	char name[DRM_PROP_NAME_LEN];	296	char name[DRM_PROP_NAME_LEN];
297	uint32_t num_values;	297	uint32_t num_values;
298	uint64_t *values;	298	uint64_t *values;
299		299
300	struct list_head enum_blob_list;	300	struct list_head enum_blob_list;
301	};	301	};
302		302
303	struct drm_crtc;	303	struct drm_crtc;
304	struct drm_connector;	304	struct drm_connector;
305	struct drm_encoder;	305	struct drm_encoder;
306	struct drm_pending_vblank_event;	306	struct drm_pending_vblank_event;
307	struct drm_plane;	307	struct drm_plane;
308		308
309	/**	309	/**
310	* drm_crtc_funcs - control CRTCs for a given device	310	* drm_crtc_funcs - control CRTCs for a given device
311	* @save: save CRTC state	311	* @save: save CRTC state
312	* @restore: restore CRTC state	312	* @restore: restore CRTC state
313	* @reset: reset CRTC after state has been invalidate (e.g. resume)	313	* @reset: reset CRTC after state has been invalidate (e.g. resume)
314	* @cursor_set: setup the cursor	314	* @cursor_set: setup the cursor
315	* @cursor_move: move the cursor	315	* @cursor_move: move the cursor
316	* @gamma_set: specify color ramp for CRTC	316	* @gamma_set: specify color ramp for CRTC
317	* @destroy: deinit and free object	317	* @destroy: deinit and free object
318	* @set_property: called when a property is changed	318	* @set_property: called when a property is changed
319	* @set_config: apply a new CRTC configuration	319	* @set_config: apply a new CRTC configuration
320	* @page_flip: initiate a page flip	320	* @page_flip: initiate a page flip
321	*	321	*
322	* The drm_crtc_funcs structure is the central CRTC management structure	322	* The drm_crtc_funcs structure is the central CRTC management structure
323	* in the DRM. Each CRTC controls one or more connectors (note that the name	323	* in the DRM. Each CRTC controls one or more connectors (note that the name
324	* CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.	324	* CRTC is simply historical, a CRTC may control LVDS, VGA, DVI, TV out, etc.
325	* connectors, not just CRTs).	325	* connectors, not just CRTs).
326	*	326	*
327	* Each driver is responsible for filling out this structure at startup time,	327	* Each driver is responsible for filling out this structure at startup time,
328	* in addition to providing other modesetting features, like i2c and DDC	328	* in addition to providing other modesetting features, like i2c and DDC
329	* bus accessors.	329	* bus accessors.
330	*/	330	*/
331	struct drm_crtc_funcs {	331	struct drm_crtc_funcs {
332	/* Save CRTC state */	332	/* Save CRTC state */
333	void (save)(struct drm_crtc crtc); /* suspend? */	333	void (save)(struct drm_crtc crtc); /* suspend? */
334	/* Restore CRTC state */	334	/* Restore CRTC state */
335	void (restore)(struct drm_crtc crtc); /* resume? */	335	void (restore)(struct drm_crtc crtc); /* resume? */
336	/* Reset CRTC state */	336	/* Reset CRTC state */
337	void (reset)(struct drm_crtc crtc);	337	void (reset)(struct drm_crtc crtc);
338		338
339	/* cursor controls */	339	/* cursor controls */
340	int (cursor_set)(struct drm_crtc crtc, struct drm_file *file_priv,	340	int (cursor_set)(struct drm_crtc crtc, struct drm_file *file_priv,
341	uint32_t handle, uint32_t width, uint32_t height);	341	uint32_t handle, uint32_t width, uint32_t height);
342	int (cursor_move)(struct drm_crtc crtc, int x, int y);	342	int (cursor_move)(struct drm_crtc crtc, int x, int y);
343		343
344	/* Set gamma on the CRTC */	344	/* Set gamma on the CRTC */
345	void (gamma_set)(struct drm_crtc crtc, u16 r, u16 g, u16 *b,	345	void (gamma_set)(struct drm_crtc crtc, u16 r, u16 g, u16 *b,
346	uint32_t start, uint32_t size);	346	uint32_t start, uint32_t size);
347	/* Object destroy routine */	347	/* Object destroy routine */
348	void (destroy)(struct drm_crtc crtc);	348	void (destroy)(struct drm_crtc crtc);
349		349
350	int (set_config)(struct drm_mode_set set);	350	int (set_config)(struct drm_mode_set set);
351		351
352	/*	352	/*
353	* Flip to the given framebuffer. This implements the page	353	* Flip to the given framebuffer. This implements the page
354	* flip ioctl described in drm_mode.h, specifically, the	354	* flip ioctl described in drm_mode.h, specifically, the
355	* implementation must return immediately and block all	355	* implementation must return immediately and block all
356	* rendering to the current fb until the flip has completed.	356	* rendering to the current fb until the flip has completed.
357	* If userspace set the event flag in the ioctl, the event	357	* If userspace set the event flag in the ioctl, the event
358	* argument will point to an event to send back when the flip	358	* argument will point to an event to send back when the flip
359	* completes, otherwise it will be NULL.	359	* completes, otherwise it will be NULL.
360	*/	360	*/
361	int (page_flip)(struct drm_crtc crtc,	361	int (page_flip)(struct drm_crtc crtc,
362	struct drm_framebuffer *fb,	362	struct drm_framebuffer *fb,
363	struct drm_pending_vblank_event *event);	363	struct drm_pending_vblank_event *event);
364		364
365	int (set_property)(struct drm_crtc crtc,	365	int (set_property)(struct drm_crtc crtc,
366	struct drm_property *property, uint64_t val);	366	struct drm_property *property, uint64_t val);
367	};	367	};
368		368
369	/**	369	/**
370	* drm_crtc - central CRTC control structure	370	* drm_crtc - central CRTC control structure
371	* @dev: parent DRM device	371	* @dev: parent DRM device
372	* @head: list management	372	* @head: list management
373	* @base: base KMS object for ID tracking etc.	373	* @base: base KMS object for ID tracking etc.
374	* @enabled: is this CRTC enabled?	374	* @enabled: is this CRTC enabled?
375	* @mode: current mode timings	375	* @mode: current mode timings
376	* @hwmode: mode timings as programmed to hw regs	376	* @hwmode: mode timings as programmed to hw regs
377	* @invert_dimensions: for purposes of error checking crtc vs fb sizes,	377	* @invert_dimensions: for purposes of error checking crtc vs fb sizes,
378	* invert the width/height of the crtc. This is used if the driver	378	* invert the width/height of the crtc. This is used if the driver
379	* is performing 90 or 270 degree rotated scanout	379	* is performing 90 or 270 degree rotated scanout
380	* @x: x position on screen	380	* @x: x position on screen
381	* @y: y position on screen	381	* @y: y position on screen
382	* @funcs: CRTC control functions	382	* @funcs: CRTC control functions
383	* @gamma_size: size of gamma ramp	383	* @gamma_size: size of gamma ramp
384	* @gamma_store: gamma ramp values	384	* @gamma_store: gamma ramp values
385	* @framedur_ns: precise frame timing	385	* @framedur_ns: precise frame timing
386	* @framedur_ns: precise line timing	386	* @framedur_ns: precise line timing
387	* @pixeldur_ns: precise pixel timing	387	* @pixeldur_ns: precise pixel timing
388	* @helper_private: mid-layer private data	388	* @helper_private: mid-layer private data
389	* @properties: property tracking for this CRTC	389	* @properties: property tracking for this CRTC
390	*	390	*
391	* Each CRTC may have one or more connectors associated with it. This structure	391	* Each CRTC may have one or more connectors associated with it. This structure
392	* allows the CRTC to be controlled.	392	* allows the CRTC to be controlled.
393	*/	393	*/
394	struct drm_crtc {	394	struct drm_crtc {
395	struct drm_device *dev;	395	struct drm_device *dev;
396	struct list_head head;	396	struct list_head head;
397		397
398	/**	398	/**
399	* crtc mutex	399	* crtc mutex
400	*	400	*
401	* This provides a read lock for the overall crtc state (mode, dpms	401	* This provides a read lock for the overall crtc state (mode, dpms
402	* state, ...) and a write lock for everything which can be update	402	* state, ...) and a write lock for everything which can be update
403	* without a full modeset (fb, cursor data, ...)	403	* without a full modeset (fb, cursor data, ...)
404	*/	404	*/
405	struct mutex mutex;	405	struct mutex mutex;
406		406
407	struct drm_mode_object base;	407	struct drm_mode_object base;
408		408
409	/* framebuffer the connector is currently bound to */	409	/* framebuffer the connector is currently bound to */
410	struct drm_framebuffer *fb;	410	struct drm_framebuffer *fb;
411		411
412	bool enabled;	412	bool enabled;
413		413
414	/* Requested mode from modesetting. */	414	/* Requested mode from modesetting. */
415	struct drm_display_mode mode;	415	struct drm_display_mode mode;
416		416
417	/* Programmed mode in hw, after adjustments for encoders,	417	/* Programmed mode in hw, after adjustments for encoders,
418	* crtc, panel scaling etc. Needed for timestamping etc.	418	* crtc, panel scaling etc. Needed for timestamping etc.
419	*/	419	*/
420	struct drm_display_mode hwmode;	420	struct drm_display_mode hwmode;
421		421
422	bool invert_dimensions;	422	bool invert_dimensions;
423		423
424	int x, y;	424	int x, y;
425	const struct drm_crtc_funcs *funcs;	425	const struct drm_crtc_funcs *funcs;
426		426
427	/* CRTC gamma size for reporting to userspace */	427	/* CRTC gamma size for reporting to userspace */
428	uint32_t gamma_size;	428	uint32_t gamma_size;
429	uint16_t *gamma_store;	429	uint16_t *gamma_store;
430		430
431	/* Constants needed for precise vblank and swap timestamping. */	431	/* Constants needed for precise vblank and swap timestamping. */
432	s64 framedur_ns, linedur_ns, pixeldur_ns;	432	s64 framedur_ns, linedur_ns, pixeldur_ns;
433		433
434	/* if you are using the helper */	434	/* if you are using the helper */
435	void *helper_private;	435	void *helper_private;
436		436
437	struct drm_object_properties properties;	437	struct drm_object_properties properties;
438	};	438	};
439		439
440		440
441	/**	441	/**
442	* drm_connector_funcs - control connectors on a given device	442	* drm_connector_funcs - control connectors on a given device
443	* @dpms: set power state (see drm_crtc_funcs above)	443	* @dpms: set power state (see drm_crtc_funcs above)
444	* @save: save connector state	444	* @save: save connector state
445	* @restore: restore connector state	445	* @restore: restore connector state
446	* @reset: reset connector after state has been invalidated (e.g. resume)	446	* @reset: reset connector after state has been invalidated (e.g. resume)
447	* @detect: is this connector active?	447	* @detect: is this connector active?
448	* @fill_modes: fill mode list for this connector	448	* @fill_modes: fill mode list for this connector
449	* @set_property: property for this connector may need an update	449	* @set_property: property for this connector may need an update
450	* @destroy: make object go away	450	* @destroy: make object go away
451	* @force: notify the driver that the connector is forced on	451	* @force: notify the driver that the connector is forced on
452	*	452	*
453	* Each CRTC may have one or more connectors attached to it. The functions	453	* Each CRTC may have one or more connectors attached to it. The functions
454	* below allow the core DRM code to control connectors, enumerate available modes,	454	* below allow the core DRM code to control connectors, enumerate available modes,
455	* etc.	455	* etc.
456	*/	456	*/
457	struct drm_connector_funcs {	457	struct drm_connector_funcs {
458	void (dpms)(struct drm_connector connector, int mode);	458	void (dpms)(struct drm_connector connector, int mode);
459	void (save)(struct drm_connector connector);	459	void (save)(struct drm_connector connector);
460	void (restore)(struct drm_connector connector);	460	void (restore)(struct drm_connector connector);
461	void (reset)(struct drm_connector connector);	461	void (reset)(struct drm_connector connector);
462		462
463	/* Check to see if anything is attached to the connector.	463	/* Check to see if anything is attached to the connector.
464	* @force is set to false whilst polling, true when checking the	464	* @force is set to false whilst polling, true when checking the
465	* connector due to user request. @force can be used by the driver	465	* connector due to user request. @force can be used by the driver
466	* to avoid expensive, destructive operations during automated	466	* to avoid expensive, destructive operations during automated
467	* probing.	467	* probing.
468	*/	468	*/
469	enum drm_connector_status (detect)(struct drm_connector connector,	469	enum drm_connector_status (detect)(struct drm_connector connector,
470	bool force);	470	bool force);
471	int (fill_modes)(struct drm_connector connector, uint32_t max_width, uint32_t max_height);	471	int (fill_modes)(struct drm_connector connector, uint32_t max_width, uint32_t max_height);
472	int (set_property)(struct drm_connector connector, struct drm_property *property,	472	int (set_property)(struct drm_connector connector, struct drm_property *property,
473	uint64_t val);	473	uint64_t val);
474	void (destroy)(struct drm_connector connector);	474	void (destroy)(struct drm_connector connector);
475	void (force)(struct drm_connector connector);	475	void (force)(struct drm_connector connector);
476	};	476	};
477		477
478	/**	478	/**
479	* drm_encoder_funcs - encoder controls	479	* drm_encoder_funcs - encoder controls
480	* @reset: reset state (e.g. at init or resume time)	480	* @reset: reset state (e.g. at init or resume time)
481	* @destroy: cleanup and free associated data	481	* @destroy: cleanup and free associated data
482	*	482	*
483	* Encoders sit between CRTCs and connectors.	483	* Encoders sit between CRTCs and connectors.
484	*/	484	*/
485	struct drm_encoder_funcs {	485	struct drm_encoder_funcs {
486	void (reset)(struct drm_encoder encoder);	486	void (reset)(struct drm_encoder encoder);
487	void (destroy)(struct drm_encoder encoder);	487	void (destroy)(struct drm_encoder encoder);
488	};	488	};
489		489
490	#define DRM_CONNECTOR_MAX_UMODES 16	490	#define DRM_CONNECTOR_MAX_UMODES 16
491	#define DRM_CONNECTOR_LEN 32	491	#define DRM_CONNECTOR_LEN 32
492	#define DRM_CONNECTOR_MAX_ENCODER 3	492	#define DRM_CONNECTOR_MAX_ENCODER 3
493		493
494	/**	494	/**
495	* drm_encoder - central DRM encoder structure	495	* drm_encoder - central DRM encoder structure
496	* @dev: parent DRM device	496	* @dev: parent DRM device
497	* @head: list management	497	* @head: list management
498	* @base: base KMS object	498	* @base: base KMS object
499	* @encoder_type: one of the %DRM_MODE_ENCODER_ types in drm_mode.h	499	* @encoder_type: one of the %DRM_MODE_ENCODER_ types in drm_mode.h
500	* @possible_crtcs: bitmask of potential CRTC bindings	500	* @possible_crtcs: bitmask of potential CRTC bindings

Subversion Repositories Kolibri OS

(root)/drivers/include/drm/drm_crtc.h – Rev 3391 → 3480