/* * 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 struct drm_device; struct drm_mode_set; struct drm_framebuffer; #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 struct drm_mode_object { uint32_t id; uint32_t type; }; /* * 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 maching 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 #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]; int connector_count; enum drm_mode_status status; int type; /* Proposed mode values */ int clock; 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; int crtc_hadjusted; int crtc_vadjusted; /* Driver private mode info */ int private_size; int *private; int private_flags; int vrefresh; float hsync; }; 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, }; /* * Describes a given display (e.g. CRT or flat panel) and its limitations. */ struct drm_display_info { char name[DRM_DISPLAY_INFO_LEN]; /* Input info */ bool serration_vsync; bool sync_on_green; bool composite_sync; bool separate_syncs; bool blank_to_black; unsigned char video_level; bool digital; /* Physical size */ unsigned int width_mm; unsigned int height_mm; /* Display parameters */ unsigned char gamma; /* FIXME: storage format */ bool gtf_supported; bool standard_color; enum { monochrome = 0, rgb, other, unknown, } display_type; bool active_off_supported; bool suspend_supported; bool standby_supported; /* Color info FIXME: storage format */ unsigned short redx, redy; unsigned short greenx, greeny; unsigned short bluex, bluey; unsigned short whitex, whitey; /* Clock limits FIXME: storage format */ unsigned int min_vfreq, max_vfreq; unsigned int min_hfreq, max_hfreq; unsigned int pixel_clock; /* White point indices FIXME: storage format */ unsigned int wpx1, wpy1; unsigned int wpgamma1; unsigned int wpx2, wpy2; unsigned int wpgamma2; enum subpixel_order subpixel_order; char *raw_edid; /* if any */ }; struct drm_framebuffer_funcs { void (*destroy)(struct drm_framebuffer *framebuffer); int (*create_handle)(struct drm_framebuffer *fb, struct drm_file *file_priv, unsigned int *handle); }; struct drm_framebuffer { struct drm_device *dev; struct list_head head; struct drm_mode_object base; const struct drm_framebuffer_funcs *funcs; unsigned int pitch; unsigned int width; unsigned int height; /* depth can be 15 or 16 */ unsigned int depth; int bits_per_pixel; int flags; void *fbdev; u32 pseudo_palette[17]; struct list_head filp_head; }; struct drm_property_blob { struct drm_mode_object base; struct list_head head; unsigned int length; void *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; /** * drm_crtc_funcs - control CRTCs for a given device * @dpms: control display power levels * @save: save CRTC state * @resore: restore CRTC state * @lock: lock the CRTC * @unlock: unlock the CRTC * @shadow_allocate: allocate shadow pixmap * @shadow_create: create shadow pixmap for rotation support * @shadow_destroy: free shadow pixmap * @mode_fixup: fixup proposed mode * @mode_set: set the desired mode on the CRTC * @gamma_set: specify color ramp for CRTC * @destroy: deinit and free object. * * 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? */ /* 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 size); /* Object destroy routine */ void (*destroy)(struct drm_crtc *crtc); int (*set_config)(struct drm_mode_set *set); }; /** * drm_crtc - central CRTC control structure * @enabled: is this CRTC enabled? * @x: x position on screen * @y: y position on screen * @desired_mode: new desired mode * @desired_x: desired x for desired_mode * @desired_y: desired y for desired_mode * @funcs: CRTC control functions * * 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; struct drm_mode_object base; /* framebuffer the connector is currently bound to */ struct drm_framebuffer *fb; bool enabled; struct drm_display_mode mode; int x, y; struct drm_display_mode *desired_mode; int desired_x, desired_y; const struct drm_crtc_funcs *funcs; /* CRTC gamma size for reporting to userspace */ uint32_t gamma_size; uint16_t *gamma_store; /* if you are using the helper */ void *helper_private; }; /** * 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 * @mode_valid: is this mode valid on the given connector? * @mode_fixup: try to fixup proposed mode for this connector * @mode_set: set this mode * @detect: is this connector active? * @get_modes: get mode list for this connector * @set_property: property for this connector may need update * @destroy: make object go away * * 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); enum drm_connector_status (*detect)(struct drm_connector *connector); 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); }; struct drm_encoder_funcs { void (*destroy)(struct drm_encoder *encoder); }; #define DRM_CONNECTOR_MAX_UMODES 16 #define DRM_CONNECTOR_MAX_PROPERTY 16 #define DRM_CONNECTOR_LEN 32 #define DRM_CONNECTOR_MAX_ENCODER 2 /** * drm_encoder - central DRM encoder structure */ 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; }; /** * drm_connector - central DRM connector control structure * @crtc: CRTC this connector is currently connected to, NULL if none * @interlace_allowed: can this connector handle interlaced modes? * @doublescan_allowed: can this connector handle doublescan? * @available_modes: modes available on this connector (from get_modes() + user) * @initial_x: initial x position for this connector * @initial_y: initial y position for this connector * @status: connector connected? * @funcs: connector control functions * * 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 */ int initial_x, initial_y; 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; u32 property_ids[DRM_CONNECTOR_MAX_PROPERTY]; uint64_t property_values[DRM_CONNECTOR_MAX_PROPERTY]; /* requested DPMS state */ int dpms; void *helper_private; uint32_t encoder_ids[DRM_CONNECTOR_MAX_ENCODER]; uint32_t force_encoder_id; struct drm_encoder *encoder; /* currently active encoder */ }; /** * struct drm_mode_set * * 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 list_head head; 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 - configure CRTCs for a given screen layout * @resize: adjust CRTCs as necessary for the proposed layout * * Currently only a resize hook is available. DRM will call back into the * driver with a new screen width and height. If the driver can't support * the proposed size, it can return false. Otherwise it should adjust * the CRTC<->connector mappings as needed and update its view of the screen. */ struct drm_mode_config_funcs { struct drm_framebuffer *(*fb_create)(struct drm_device *dev, struct drm_file *file_priv, struct drm_mode_fb_cmd *mode_cmd); int (*fb_changed)(struct drm_device *dev); }; 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 * */ 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 */ 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_crtc; struct list_head crtc_list; struct list_head property_list; /* in-kernel framebuffers - hung of filp_head in drm_framebuffer */ struct list_head fb_kernel_list; int min_width, min_height; int max_width, max_height; struct drm_mode_config_funcs *funcs; resource_size_t fb_base; /* 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; /* Optional properties */ struct drm_property *scaling_mode_property; struct drm_property *dithering_mode_property; }; #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) extern void 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 void 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); extern void drm_encoder_init(struct drm_device *dev, struct drm_encoder *encoder, const struct drm_encoder_funcs *funcs, int encoder_type); 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 struct edid *drm_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter); extern int drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf, int len); 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 struct drm_display_mode *drm_mode_duplicate(struct drm_device *dev, struct drm_display_mode *mode); extern void drm_mode_debug_printmodeline(struct drm_display_mode *mode); extern void drm_mode_config_init(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(struct drm_display_mode *mode1, struct drm_display_mode *mode2); extern int drm_mode_width(struct drm_display_mode *mode); extern int drm_mode_height(struct drm_display_mode *mode); /* for us by fb module */ extern int drm_mode_attachmode_crtc(struct drm_device *dev, struct drm_crtc *crtc, 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_vrefresh(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_connector_property_set_value(struct drm_connector *connector, struct drm_property *property, uint64_t value); extern int drm_connector_property_get_value(struct drm_connector *connector, 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 void drm_framebuffer_cleanup(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 int drm_connector_attach_property(struct drm_connector *connector, 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 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 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 bool drm_mode_crtc_set_gamma_size(struct drm_crtc *crtc, int gamma_size); extern void *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_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_setcrtc(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_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_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 bool drm_detect_hdmi_monitor(struct edid *edid); extern struct drm_display_mode *drm_cvt_mode(struct drm_device *dev, int hdisplay, int vdisplay, int vrefresh, bool reduced, bool interlaced); extern struct drm_display_mode *drm_gtf_mode(struct drm_device *dev, int hdisplay, int vdisplay, int vrefresh, bool interlaced, int margins); #endif /* __DRM_CRTC_H__ */