| /* |
| * Copyright © 2006 Keith Packard |
| * Copyright © 2007-2008 Dave Airlie |
| * Copyright © 2007-2008 Intel Corporation |
| * Jesse Barnes <jesse.barnes@intel.com> |
| * |
| * 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 <linux/i2c.h> |
| #include <linux/spinlock.h> |
| #include <linux/types.h> |
| #include <linux/idr.h> |
| #include <linux/fb.h> |
| #include <drm/drm_mode.h> |
| |
| #include <drm/drm_fourcc.h> |
| |
| 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), \ |
| .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 invalidated (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_set2)(struct drm_crtc *crtc, struct drm_file *file_priv, |
| uint32_t handle, uint32_t width, uint32_t height, |
| int32_t hot_x, int32_t hot_y); |
| 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; |
| |
| /* Temporary tracking of the old fb while a modeset is ongoing. Used |
| * by drm_mode_set_config_internal to implement correct refcounting. */ |
| struct drm_framebuffer *old_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_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_<foo> 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_<foo> 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 |
| * @edid_blob_ptr: DRM property containing EDID if present |
| * @properties: property tracking for this connector |
| * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling |
| * @dpms: current dpms state |
| * @helper_private: mid-layer private data |
| * @force: a %DRM_FORCE_<foo> 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 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 |
| * @funcs: helper functions |
| * @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; |
| |
| const struct drm_plane_funcs *funcs; |
| |
| 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 void drm_connector_ida_init(void); |
| extern void drm_connector_ida_destroy(void); |
| 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_plane_force_disable(struct drm_plane *plane); |
| |
| extern void drm_encoder_cleanup(struct drm_encoder *encoder); |
| |
| extern const char *drm_get_connector_name(const struct drm_connector *connector); |
| extern const char *drm_get_connector_status_name(enum drm_connector_status status); |
| extern const char *drm_get_dpms_name(int val); |
| extern const char *drm_get_dvi_i_subconnector_name(int val); |
| extern const char *drm_get_dvi_i_select_name(int val); |
| extern const char *drm_get_tv_subconnector_name(int val); |
| extern const 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_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 bool drm_mode_equal_no_clocks(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 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_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 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 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_dirty_info_property(struct drm_device *dev); |
| extern const char *drm_get_encoder_name(const 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_cursor2_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_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_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_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); |
| extern const char *drm_get_format_name(uint32_t format); |
| |
| #endif /* __DRM_CRTC_H__ */ |