| /* |
| * 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 <linux/hdmi.h> |
| #include <linux/media-bus-format.h> |
| #include <uapi/drm/drm_mode.h> |
| #include <uapi/drm/drm_fourcc.h> |
| #include <drm/drm_modeset_lock.h> |
| |
| struct drm_device; |
| struct drm_mode_set; |
| struct drm_framebuffer; |
| struct drm_object_properties; |
| struct drm_file; |
| struct drm_clip_rect; |
| struct device_node; |
| struct fence; |
| |
| #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 |
| #define DRM_MODE_OBJECT_ANY 0 |
| |
| 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, atomic_count; |
| /* NOTE: if we ever start dynamically destroying properties (ie. |
| * not at drm_mode_config_cleanup() time), then we'd have to do |
| * a better job of detaching property from mode objects to avoid |
| * dangling property pointers: |
| */ |
| struct drm_property *properties[DRM_OBJECT_MAX_PROPERTY]; |
| /* do not read/write values directly, but use drm_object_property_get_value() |
| * and drm_object_property_set_value(): |
| */ |
| uint64_t values[DRM_OBJECT_MAX_PROPERTY]; |
| }; |
| |
| static inline int64_t U642I64(uint64_t val) |
| { |
| return (int64_t)*((int64_t *)&val); |
| } |
| static inline uint64_t I642U64(int64_t val) |
| { |
| return (uint64_t)*((uint64_t *)&val); |
| } |
| |
| /* |
| * Rotation property bits. DRM_ROTATE_<degrees> rotates the image by the |
| * specified amount in degrees in counter clockwise direction. DRM_REFLECT_X and |
| * DRM_REFLECT_Y reflects the image along the specified axis prior to rotation |
| */ |
| #define DRM_ROTATE_MASK 0x0f |
| #define DRM_ROTATE_0 0 |
| #define DRM_ROTATE_90 1 |
| #define DRM_ROTATE_180 2 |
| #define DRM_ROTATE_270 3 |
| #define DRM_REFLECT_MASK (~DRM_ROTATE_MASK) |
| #define DRM_REFLECT_X 4 |
| #define DRM_REFLECT_Y 5 |
| |
| 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 */ |
| }; |
| |
| #include <drm/drm_modes.h> |
| |
| 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; |
| |
| const u32 *bus_formats; |
| unsigned int num_bus_formats; |
| |
| /* Mask of supported hdmi deep color modes */ |
| u8 edid_hdmi_dc_modes; |
| |
| u8 cea_rev; |
| }; |
| |
| /* data corresponds to displayid vend/prod/serial */ |
| struct drm_tile_group { |
| struct kref refcount; |
| struct drm_device *dev; |
| int id; |
| u8 group_data[8]; |
| }; |
| |
| 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); |
| /* |
| * Optional 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]; |
| uint64_t modifier[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; |
| }; |
| |
| struct drm_property_blob { |
| struct drm_mode_object base; |
| struct drm_device *dev; |
| struct kref refcount; |
| struct list_head head_global; |
| struct list_head head_file; |
| size_t 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 drm_device *dev; |
| |
| struct list_head enum_list; |
| }; |
| |
| struct drm_crtc; |
| struct drm_connector; |
| struct drm_encoder; |
| struct drm_pending_vblank_event; |
| struct drm_plane; |
| struct drm_bridge; |
| struct drm_atomic_state; |
| |
| /** |
| * struct drm_crtc_state - mutable CRTC state |
| * @crtc: backpointer to the CRTC |
| * @enable: whether the CRTC should be enabled, gates all other state |
| * @active: whether the CRTC is actively displaying (used for DPMS) |
| * @planes_changed: planes on this crtc are updated |
| * @mode_changed: crtc_state->mode or crtc_state->enable has been changed |
| * @active_changed: crtc_state->active has been toggled. |
| * @connectors_changed: connectors to this crtc have been updated |
| * @plane_mask: bitmask of (1 << drm_plane_index(plane)) of attached planes |
| * @last_vblank_count: for helpers and drivers to capture the vblank of the |
| * update to ensure framebuffer cleanup isn't done too early |
| * @adjusted_mode: for use by helpers and drivers to compute adjusted mode timings |
| * @mode: current mode timings |
| * @event: optional pointer to a DRM event to signal upon completion of the |
| * state update |
| * @state: backpointer to global drm_atomic_state |
| * |
| * Note that the distinction between @enable and @active is rather subtile: |
| * Flipping @active while @enable is set without changing anything else may |
| * never return in a failure from the ->atomic_check callback. Userspace assumes |
| * that a DPMS On will always succeed. In other words: @enable controls resource |
| * assignment, @active controls the actual hardware state. |
| */ |
| struct drm_crtc_state { |
| struct drm_crtc *crtc; |
| |
| bool enable; |
| bool active; |
| |
| /* computed state bits used by helpers and drivers */ |
| bool planes_changed : 1; |
| bool mode_changed : 1; |
| bool active_changed : 1; |
| bool connectors_changed : 1; |
| |
| /* attached planes bitmask: |
| * WARNING: transitional helpers do not maintain plane_mask so |
| * drivers not converted over to atomic helpers should not rely |
| * on plane_mask being accurate! |
| */ |
| u32 plane_mask; |
| |
| /* last_vblank_count: for vblank waits before cleanup */ |
| u32 last_vblank_count; |
| |
| /* adjusted_mode: for use by helpers and drivers */ |
| struct drm_display_mode adjusted_mode; |
| |
| struct drm_display_mode mode; |
| |
| /* blob property to expose current mode to atomic userspace */ |
| struct drm_property_blob *mode_blob; |
| |
| struct drm_pending_vblank_event *event; |
| |
| struct drm_atomic_state *state; |
| }; |
| |
| /** |
| * struct 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_set2: setup the cursor with hotspot, superseeds @cursor_set if set |
| * @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 |
| * @atomic_duplicate_state: duplicate the atomic state for this CRTC |
| * @atomic_destroy_state: destroy an atomic state for this CRTC |
| * @atomic_set_property: set a property on an atomic state for this CRTC |
| * (do not call directly, use drm_atomic_crtc_set_property()) |
| * @atomic_get_property: get a property on an atomic state for this CRTC |
| * (do not call directly, use drm_atomic_crtc_get_property()) |
| * |
| * 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, |
| uint32_t flags); |
| |
| int (*set_property)(struct drm_crtc *crtc, |
| struct drm_property *property, uint64_t val); |
| |
| /* atomic update handling */ |
| struct drm_crtc_state *(*atomic_duplicate_state)(struct drm_crtc *crtc); |
| void (*atomic_destroy_state)(struct drm_crtc *crtc, |
| struct drm_crtc_state *state); |
| int (*atomic_set_property)(struct drm_crtc *crtc, |
| struct drm_crtc_state *state, |
| struct drm_property *property, |
| uint64_t val); |
| int (*atomic_get_property)(struct drm_crtc *crtc, |
| const struct drm_crtc_state *state, |
| struct drm_property *property, |
| uint64_t *val); |
| }; |
| |
| /** |
| * struct drm_crtc - central CRTC control structure |
| * @dev: parent DRM device |
| * @port: OF node used by drm_of_find_possible_crtcs() |
| * @head: list management |
| * @mutex: per-CRTC locking |
| * @base: base KMS object for ID tracking etc. |
| * @primary: primary plane for this CRTC |
| * @cursor: cursor plane for this CRTC |
| * @cursor_x: current x position of the cursor, used for universal cursor planes |
| * @cursor_y: current y position of the cursor, used for universal cursor planes |
| * @enabled: is this CRTC enabled? |
| * @mode: current mode timings |
| * @hwmode: mode timings as programmed to hw regs |
| * @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 |
| * @helper_private: mid-layer private data |
| * @properties: property tracking for this CRTC |
| * @state: current atomic state for this CRTC |
| * @acquire_ctx: per-CRTC implicit acquire context used by atomic drivers for |
| * legacy ioctls |
| * |
| * 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 device_node *port; |
| 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 drm_modeset_lock mutex; |
| |
| struct drm_mode_object base; |
| |
| /* primary and cursor planes for CRTC */ |
| struct drm_plane *primary; |
| struct drm_plane *cursor; |
| |
| /* position of cursor plane on crtc */ |
| int cursor_x; |
| int cursor_y; |
| |
| 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; |
| |
| int x, 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 */ |
| const void *helper_private; |
| |
| struct drm_object_properties properties; |
| |
| struct drm_crtc_state *state; |
| |
| /* |
| * For legacy crtc ioctls so that atomic drivers can get at the locking |
| * acquire context. |
| */ |
| struct drm_modeset_acquire_ctx *acquire_ctx; |
| }; |
| |
| /** |
| * struct drm_connector_state - mutable connector state |
| * @connector: backpointer to the connector |
| * @crtc: CRTC to connect connector to, NULL if disabled |
| * @best_encoder: can be used by helpers and drivers to select the encoder |
| * @state: backpointer to global drm_atomic_state |
| */ |
| struct drm_connector_state { |
| struct drm_connector *connector; |
| |
| struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_connector() */ |
| |
| struct drm_encoder *best_encoder; |
| |
| struct drm_atomic_state *state; |
| }; |
| |
| /** |
| * struct drm_connector_funcs - control connectors on a given device |
| * @dpms: set power state |
| * @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 |
| * @atomic_duplicate_state: duplicate the atomic state for this connector |
| * @atomic_destroy_state: destroy an atomic state for this connector |
| * @atomic_set_property: set a property on an atomic state for this connector |
| * (do not call directly, use drm_atomic_connector_set_property()) |
| * @atomic_get_property: get a property on an atomic state for this connector |
| * (do not call directly, use drm_atomic_connector_get_property()) |
| * |
| * 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 { |
| int (*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); |
| |
| /* atomic update handling */ |
| struct drm_connector_state *(*atomic_duplicate_state)(struct drm_connector *connector); |
| void (*atomic_destroy_state)(struct drm_connector *connector, |
| struct drm_connector_state *state); |
| int (*atomic_set_property)(struct drm_connector *connector, |
| struct drm_connector_state *state, |
| struct drm_property *property, |
| uint64_t val); |
| int (*atomic_get_property)(struct drm_connector *connector, |
| const struct drm_connector_state *state, |
| struct drm_property *property, |
| uint64_t *val); |
| }; |
| |
| /** |
| * struct 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 |
| |
| /** |
| * struct drm_encoder - central DRM encoder structure |
| * @dev: parent DRM device |
| * @head: list management |
| * @base: base KMS object |
| * @name: encoder name |
| * @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 |
| * @bridge: bridge associated to the encoder |
| * @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; |
| char *name; |
| int encoder_type; |
| uint32_t possible_crtcs; |
| uint32_t possible_clones; |
| |
| struct drm_crtc *crtc; |
| struct drm_bridge *bridge; |
| const struct drm_encoder_funcs *funcs; |
| const void *helper_private; |
| }; |
| |
| /* 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 |
| |
| /** |
| * struct 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 |
| * @name: connector name |
| * @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? |
| * @stereo_allowed: can this connector handle stereo modes? |
| * @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 |
| * @path_blob_ptr: DRM blob property data for the DP MST path property |
| * @polled: a %DRM_CONNECTOR_POLL_<foo> value for core driven polling |
| * @dpms: current dpms state |
| * @helper_private: mid-layer private data |
| * @cmdline_mode: mode line parsed from the kernel cmdline for this connector |
| * @force: a %DRM_FORCE_<foo> state for forced mode sets |
| * @override_edid: has the EDID been overwritten through debugfs for testing? |
| * @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 |
| * @bad_edid_counter: track sinks that give us an EDID with invalid checksum |
| * @edid_corrupt: indicates whether the last read EDID was corrupt |
| * @debugfs_entry: debugfs directory for this connector |
| * @state: current atomic state for this connector |
| * @has_tile: is this connector connected to a tiled monitor |
| * @tile_group: tile group for the connected monitor |
| * @tile_is_single_monitor: whether the tile is one monitor housing |
| * @num_h_tile: number of horizontal tiles in the tile group |
| * @num_v_tile: number of vertical tiles in the tile group |
| * @tile_h_loc: horizontal location of this tile |
| * @tile_v_loc: vertical location of this tile |
| * @tile_h_size: horizontal size of this tile. |
| * @tile_v_size: vertical size of this tile. |
| * |
| * 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; |
| |
| char *name; |
| int connector_type; |
| int connector_type_id; |
| bool interlace_allowed; |
| bool doublescan_allowed; |
| bool stereo_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; |
| |
| struct drm_property_blob *path_blob_ptr; |
| |
| struct drm_property_blob *tile_blob_ptr; |
| |
| uint8_t polled; /* DRM_CONNECTOR_POLL_* */ |
| |
| /* requested DPMS state */ |
| int dpms; |
| |
| const void *helper_private; |
| |
| /* forced on connector */ |
| struct drm_cmdline_mode cmdline_mode; |
| enum drm_connector_force force; |
| bool override_edid; |
| 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; |
| |
| /* Flag for raw EDID header corruption - used in Displayport |
| * compliance testing - * Displayport Link CTS Core 1.2 rev1.1 4.2.2.6 |
| */ |
| bool edid_corrupt; |
| |
| struct dentry *debugfs_entry; |
| |
| struct drm_connector_state *state; |
| |
| /* DisplayID bits */ |
| bool has_tile; |
| struct drm_tile_group *tile_group; |
| bool tile_is_single_monitor; |
| |
| uint8_t num_h_tile, num_v_tile; |
| uint8_t tile_h_loc, tile_v_loc; |
| uint16_t tile_h_size, tile_v_size; |
| }; |
| |
| /** |
| * struct drm_plane_state - mutable plane state |
| * @plane: backpointer to the plane |
| * @crtc: currently bound CRTC, NULL if disabled |
| * @fb: currently bound framebuffer |
| * @fence: optional fence to wait for before scanning out @fb |
| * @crtc_x: left position of visible portion of plane on crtc |
| * @crtc_y: upper position of visible portion of plane on crtc |
| * @crtc_w: width of visible portion of plane on crtc |
| * @crtc_h: height of visible portion of plane on crtc |
| * @src_x: left position of visible portion of plane within |
| * plane (in 16.16) |
| * @src_y: upper position of visible portion of plane within |
| * plane (in 16.16) |
| * @src_w: width of visible portion of plane (in 16.16) |
| * @src_h: height of visible portion of plane (in 16.16) |
| * @state: backpointer to global drm_atomic_state |
| */ |
| struct drm_plane_state { |
| struct drm_plane *plane; |
| |
| struct drm_crtc *crtc; /* do not write directly, use drm_atomic_set_crtc_for_plane() */ |
| struct drm_framebuffer *fb; /* do not write directly, use drm_atomic_set_fb_for_plane() */ |
| struct fence *fence; |
| |
| /* Signed dest location allows it to be partially off screen */ |
| int32_t crtc_x, crtc_y; |
| uint32_t crtc_w, crtc_h; |
| |
| /* Source values are 16.16 fixed point */ |
| uint32_t src_x, src_y; |
| uint32_t src_h, src_w; |
| |
| /* Plane rotation */ |
| unsigned int rotation; |
| |
| struct drm_atomic_state *state; |
| }; |
| |
| |
| /** |
| * struct drm_plane_funcs - driver plane control functions |
| * @update_plane: update the plane configuration |
| * @disable_plane: shut down the plane |
| * @destroy: clean up plane resources |
| * @reset: reset plane after state has been invalidated (e.g. resume) |
| * @set_property: called when a property is changed |
| * @atomic_duplicate_state: duplicate the atomic state for this plane |
| * @atomic_destroy_state: destroy an atomic state for this plane |
| * @atomic_set_property: set a property on an atomic state for this plane |
| * (do not call directly, use drm_atomic_plane_set_property()) |
| * @atomic_get_property: get a property on an atomic state for this plane |
| * (do not call directly, use drm_atomic_plane_get_property()) |
| */ |
| 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); |
| void (*reset)(struct drm_plane *plane); |
| |
| int (*set_property)(struct drm_plane *plane, |
| struct drm_property *property, uint64_t val); |
| |
| /* atomic update handling */ |
| struct drm_plane_state *(*atomic_duplicate_state)(struct drm_plane *plane); |
| void (*atomic_destroy_state)(struct drm_plane *plane, |
| struct drm_plane_state *state); |
| int (*atomic_set_property)(struct drm_plane *plane, |
| struct drm_plane_state *state, |
| struct drm_property *property, |
| uint64_t val); |
| int (*atomic_get_property)(struct drm_plane *plane, |
| const struct drm_plane_state *state, |
| struct drm_property *property, |
| uint64_t *val); |
| }; |
| |
| enum drm_plane_type { |
| DRM_PLANE_TYPE_OVERLAY, |
| DRM_PLANE_TYPE_PRIMARY, |
| DRM_PLANE_TYPE_CURSOR, |
| }; |
| |
| /** |
| * struct 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 |
| * @format_default: driver hasn't supplied supported formats for the plane |
| * @crtc: currently bound CRTC |
| * @fb: currently bound fb |
| * @old_fb: Temporary tracking of the old fb while a modeset is ongoing. Used by |
| * drm_mode_set_config_internal() to implement correct refcounting. |
| * @funcs: helper functions |
| * @properties: property tracking for this plane |
| * @type: type of plane (overlay, primary, cursor) |
| * @state: current atomic state for this plane |
| */ |
| struct drm_plane { |
| struct drm_device *dev; |
| struct list_head head; |
| |
| struct drm_modeset_lock mutex; |
| |
| struct drm_mode_object base; |
| |
| uint32_t possible_crtcs; |
| uint32_t *format_types; |
| unsigned int format_count; |
| bool format_default; |
| |
| struct drm_crtc *crtc; |
| struct drm_framebuffer *fb; |
| |
| struct drm_framebuffer *old_fb; |
| |
| const struct drm_plane_funcs *funcs; |
| |
| struct drm_object_properties properties; |
| |
| enum drm_plane_type type; |
| |
| const void *helper_private; |
| |
| struct drm_plane_state *state; |
| }; |
| |
| /** |
| * struct drm_bridge_funcs - drm_bridge control functions |
| * @attach: Called during drm_bridge_attach |
| * @mode_fixup: Try to fixup (or reject entirely) proposed mode for this bridge |
| * @disable: Called right before encoder prepare, disables the bridge |
| * @post_disable: Called right after encoder prepare, for lockstepped disable |
| * @mode_set: Set this mode to the bridge |
| * @pre_enable: Called right before encoder commit, for lockstepped commit |
| * @enable: Called right after encoder commit, enables the bridge |
| */ |
| struct drm_bridge_funcs { |
| int (*attach)(struct drm_bridge *bridge); |
| bool (*mode_fixup)(struct drm_bridge *bridge, |
| const struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode); |
| void (*disable)(struct drm_bridge *bridge); |
| void (*post_disable)(struct drm_bridge *bridge); |
| void (*mode_set)(struct drm_bridge *bridge, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode); |
| void (*pre_enable)(struct drm_bridge *bridge); |
| void (*enable)(struct drm_bridge *bridge); |
| }; |
| |
| /** |
| * struct drm_bridge - central DRM bridge control structure |
| * @dev: DRM device this bridge belongs to |
| * @encoder: encoder to which this bridge is connected |
| * @next: the next bridge in the encoder chain |
| * @of_node: device node pointer to the bridge |
| * @list: to keep track of all added bridges |
| * @funcs: control functions |
| * @driver_private: pointer to the bridge driver's internal context |
| */ |
| struct drm_bridge { |
| struct drm_device *dev; |
| struct drm_encoder *encoder; |
| struct drm_bridge *next; |
| #ifdef CONFIG_OF |
| struct device_node *of_node; |
| #endif |
| struct list_head list; |
| |
| const struct drm_bridge_funcs *funcs; |
| void *driver_private; |
| }; |
| |
| /** |
| * struct drm_atomic_state - the global state object for atomic updates |
| * @dev: parent DRM device |
| * @allow_modeset: allow full modeset |
| * @legacy_cursor_update: hint to enforce legacy cursor ioctl semantics |
| * @planes: pointer to array of plane pointers |
| * @plane_states: pointer to array of plane states pointers |
| * @crtcs: pointer to array of CRTC pointers |
| * @crtc_states: pointer to array of CRTC states pointers |
| * @num_connector: size of the @connectors and @connector_states arrays |
| * @connectors: pointer to array of connector pointers |
| * @connector_states: pointer to array of connector states pointers |
| * @acquire_ctx: acquire context for this atomic modeset state update |
| */ |
| struct drm_atomic_state { |
| struct drm_device *dev; |
| bool allow_modeset : 1; |
| bool legacy_cursor_update : 1; |
| struct drm_plane **planes; |
| struct drm_plane_state **plane_states; |
| struct drm_crtc **crtcs; |
| struct drm_crtc_state **crtc_states; |
| int num_connector; |
| struct drm_connector **connectors; |
| struct drm_connector_state **connector_states; |
| |
| struct drm_modeset_acquire_ctx *acquire_ctx; |
| }; |
| |
| |
| /** |
| * struct drm_mode_set - new values for a CRTC config change |
| * @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 |
| * @atomic_check: check whether a given atomic state update is possible |
| * @atomic_commit: commit an atomic state update previously verified with |
| * atomic_check() |
| * @atomic_state_alloc: allocate a new atomic state |
| * @atomic_state_clear: clear the atomic state |
| * @atomic_state_free: free the atomic state |
| * |
| * 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, |
| const struct drm_mode_fb_cmd2 *mode_cmd); |
| void (*output_poll_changed)(struct drm_device *dev); |
| |
| int (*atomic_check)(struct drm_device *dev, |
| struct drm_atomic_state *a); |
| int (*atomic_commit)(struct drm_device *dev, |
| struct drm_atomic_state *a, |
| bool async); |
| struct drm_atomic_state *(*atomic_state_alloc)(struct drm_device *dev); |
| void (*atomic_state_clear)(struct drm_atomic_state *state); |
| void (*atomic_state_free)(struct drm_atomic_state *state); |
| }; |
| |
| /** |
| * struct drm_mode_config - Mode configuration control structure |
| * @mutex: mutex protecting KMS related lists and structures |
| * @connection_mutex: ww mutex protecting connector state and routing |
| * @acquire_ctx: global implicit acquire context used by atomic drivers for |
| * legacy ioctls |
| * @idr_mutex: mutex for KMS ID allocation and management |
| * @crtc_idr: main KMS ID tracking object |
| * @fb_lock: mutex to protect fb state and lists |
| * @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_overlay_plane: number of overlay planes on this device |
| * @num_total_plane: number of universal (i.e. with primary/curso) planes on this device |
| * @plane_list: list of plane objects |
| * @num_crtc: number of CRTCs on this device |
| * @crtc_list: list of CRTC objects |
| * @property_list: list of property 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 support for this device |
| * @poll_running: track polling status for this device |
| * @output_poll_work: delayed work for polling in process context |
| * @property_blob_list: list of all the blob property objects |
| * @blob_lock: mutex for blob property allocation and management |
| * @*_property: core property tracking |
| * @preferred_depth: preferred RBG pixel depth, used by fb helpers |
| * @prefer_shadow: hint to userspace to prefer shadow-fb rendering |
| * @async_page_flip: does this device support async flips on the primary plane? |
| * @cursor_width: hint to userspace for max cursor width |
| * @cursor_height: hint to userspace for max cursor height |
| * |
| * 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 drm_modeset_lock connection_mutex; /* protects connector->encoder and encoder->crtc links */ |
| struct drm_modeset_acquire_ctx *acquire_ctx; /* for legacy _lock_all() / _unlock_all() */ |
| 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 */ |
| struct idr tile_idr; /* use this idr for all IDs, fb, crtc, connector, modes - just makes life easier */ |
| /* this is limited to one for now */ |
| |
| struct mutex fb_lock; /* proctects global and per-file fb lists */ |
| int num_fb; |
| struct list_head fb_list; |
| |
| int num_connector; |
| struct list_head connector_list; |
| int num_encoder; |
| struct list_head encoder_list; |
| |
| /* |
| * Track # of overlay planes separately from # of total planes. By |
| * default we only advertise overlay planes to userspace; if userspace |
| * sets the "universal plane" capability bit, we'll go ahead and |
| * expose all planes. |
| */ |
| int num_overlay_plane; |
| int num_total_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; |
| bool delayed_event; |
| struct delayed_work output_poll_work; |
| |
| struct mutex blob_lock; |
| |
| /* pointers to standard properties */ |
| struct list_head property_blob_list; |
| struct drm_property *edid_property; |
| struct drm_property *dpms_property; |
| struct drm_property *path_property; |
| struct drm_property *tile_property; |
| struct drm_property *plane_type_property; |
| struct drm_property *rotation_property; |
| struct drm_property *prop_src_x; |
| struct drm_property *prop_src_y; |
| struct drm_property *prop_src_w; |
| struct drm_property *prop_src_h; |
| struct drm_property *prop_crtc_x; |
| struct drm_property *prop_crtc_y; |
| struct drm_property *prop_crtc_w; |
| struct drm_property *prop_crtc_h; |
| struct drm_property *prop_fb_id; |
| struct drm_property *prop_crtc_id; |
| struct drm_property *prop_active; |
| struct drm_property *prop_mode_id; |
| |
| /* 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 *aspect_ratio_property; |
| struct drm_property *dirty_info_property; |
| |
| /* properties for virtual machine layout */ |
| struct drm_property *suggested_x_property; |
| struct drm_property *suggested_y_property; |
| |
| /* dumb ioctl parameters */ |
| uint32_t preferred_depth, prefer_shadow; |
| |
| /* whether async page flip is supported or not */ |
| bool async_page_flip; |
| |
| /* whether the driver supports fb modifiers */ |
| bool allow_fb_modifiers; |
| |
| /* cursor size */ |
| uint32_t cursor_width, cursor_height; |
| }; |
| |
| /** |
| * drm_for_each_plane_mask - iterate over planes specified by bitmask |
| * @plane: the loop cursor |
| * @dev: the DRM device |
| * @plane_mask: bitmask of plane indices |
| * |
| * Iterate over all planes specified by bitmask. |
| */ |
| #define drm_for_each_plane_mask(plane, dev, plane_mask) \ |
| list_for_each_entry((plane), &(dev)->mode_config.plane_list, head) \ |
| if ((plane_mask) & (1 << drm_plane_index(plane))) |
| |
| |
| #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 int drm_crtc_init_with_planes(struct drm_device *dev, |
| struct drm_crtc *crtc, |
| struct drm_plane *primary, |
| struct drm_plane *cursor, |
| const struct drm_crtc_funcs *funcs); |
| extern void drm_crtc_cleanup(struct drm_crtc *crtc); |
| extern unsigned int drm_crtc_index(struct drm_crtc *crtc); |
| |
| /** |
| * drm_crtc_mask - find the mask of a registered CRTC |
| * @crtc: CRTC to find mask for |
| * |
| * Given a registered CRTC, return the mask bit of that CRTC for an |
| * encoder's possible_crtcs field. |
| */ |
| static inline uint32_t drm_crtc_mask(struct drm_crtc *crtc) |
| { |
| return 1 << drm_crtc_index(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); |
| int drm_connector_register(struct drm_connector *connector); |
| void drm_connector_unregister(struct drm_connector *connector); |
| |
| extern void drm_connector_cleanup(struct drm_connector *connector); |
| extern unsigned int drm_connector_index(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_bridge_add(struct drm_bridge *bridge); |
| extern void drm_bridge_remove(struct drm_bridge *bridge); |
| extern struct drm_bridge *of_drm_find_bridge(struct device_node *np); |
| extern int drm_bridge_attach(struct drm_device *dev, struct drm_bridge *bridge); |
| |
| bool drm_bridge_mode_fixup(struct drm_bridge *bridge, |
| const struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode); |
| void drm_bridge_disable(struct drm_bridge *bridge); |
| void drm_bridge_post_disable(struct drm_bridge *bridge); |
| void drm_bridge_mode_set(struct drm_bridge *bridge, |
| struct drm_display_mode *mode, |
| struct drm_display_mode *adjusted_mode); |
| void drm_bridge_pre_enable(struct drm_bridge *bridge); |
| void drm_bridge_enable(struct drm_bridge *bridge); |
| |
| extern int drm_encoder_init(struct drm_device *dev, |
| struct drm_encoder *encoder, |
| const struct drm_encoder_funcs *funcs, |
| int encoder_type); |
| |
| /** |
| * drm_encoder_crtc_ok - can a given crtc drive a given encoder? |
| * @encoder: encoder to test |
| * @crtc: crtc to test |
| * |
| * Return false if @encoder can't be driven by @crtc, true otherwise. |
| */ |
| static inline bool drm_encoder_crtc_ok(struct drm_encoder *encoder, |
| struct drm_crtc *crtc) |
| { |
| return !!(encoder->possible_crtcs & drm_crtc_mask(crtc)); |
| } |
| |
| extern int drm_universal_plane_init(struct drm_device *dev, |
| struct drm_plane *plane, |
| unsigned long possible_crtcs, |
| const struct drm_plane_funcs *funcs, |
| const uint32_t *formats, |
| unsigned int format_count, |
| enum drm_plane_type 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, unsigned int format_count, |
| bool is_primary); |
| extern void drm_plane_cleanup(struct drm_plane *plane); |
| extern unsigned int drm_plane_index(struct drm_plane *plane); |
| extern struct drm_plane * drm_plane_from_index(struct drm_device *dev, int idx); |
| extern void drm_plane_force_disable(struct drm_plane *plane); |
| extern int drm_plane_check_pixel_format(const struct drm_plane *plane, |
| u32 format); |
| extern void drm_crtc_get_hv_timing(const struct drm_display_mode *mode, |
| int *hdisplay, int *vdisplay); |
| extern int drm_crtc_check_viewport(const struct drm_crtc *crtc, |
| int x, int y, |
| const struct drm_display_mode *mode, |
| const struct drm_framebuffer *fb); |
| |
| extern void drm_encoder_cleanup(struct drm_encoder *encoder); |
| |
| extern const char *drm_get_connector_status_name(enum drm_connector_status status); |
| extern const char *drm_get_subpixel_order_name(enum subpixel_order order); |
| 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 void drm_property_destroy_user_blobs(struct drm_device *dev, |
| struct drm_file *file_priv); |
| extern bool drm_probe_ddc(struct i2c_adapter *adapter); |
| extern struct edid *drm_get_edid(struct drm_connector *connector, |
| struct i2c_adapter *adapter); |
| extern struct edid *drm_edid_duplicate(const struct edid *edid); |
| extern int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid); |
| 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 int drm_mode_connector_set_path_property(struct drm_connector *connector, |
| const char *path); |
| int drm_mode_connector_set_tile_property(struct drm_connector *connector); |
| extern int drm_mode_connector_update_edid_property(struct drm_connector *connector, |
| const struct edid *edid); |
| |
| extern int drm_display_info_set_bus_formats(struct drm_display_info *info, |
| const u32 *formats, |
| unsigned int num_formats); |
| |
| static inline bool drm_property_type_is(struct drm_property *property, |
| uint32_t type) |
| { |
| /* instanceof for props.. handles extended type vs original types: */ |
| if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) |
| return (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) == type; |
| return property->flags & type; |
| } |
| |
| static inline bool drm_property_type_valid(struct drm_property *property) |
| { |
| if (property->flags & DRM_MODE_PROP_EXTENDED_TYPE) |
| return !(property->flags & DRM_MODE_PROP_LEGACY_TYPE); |
| return !!(property->flags & DRM_MODE_PROP_LEGACY_TYPE); |
| } |
| |
| 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_props, |
| uint64_t supported_bits); |
| struct drm_property *drm_property_create_range(struct drm_device *dev, int flags, |
| const char *name, |
| uint64_t min, uint64_t max); |
| struct drm_property *drm_property_create_signed_range(struct drm_device *dev, |
| int flags, const char *name, |
| int64_t min, int64_t max); |
| struct drm_property *drm_property_create_object(struct drm_device *dev, |
| int flags, const char *name, uint32_t type); |
| struct drm_property *drm_property_create_bool(struct drm_device *dev, int flags, |
| const char *name); |
| struct drm_property_blob *drm_property_create_blob(struct drm_device *dev, |
| size_t length, |
| const void *data); |
| struct drm_property_blob *drm_property_lookup_blob(struct drm_device *dev, |
| uint32_t id); |
| struct drm_property_blob *drm_property_reference_blob(struct drm_property_blob *blob); |
| void drm_property_unreference_blob(struct drm_property_blob *blob); |
| 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, |
| unsigned int num_modes, |
| const char * const modes[]); |
| extern int drm_mode_create_scaling_mode_property(struct drm_device *dev); |
| extern int drm_mode_create_aspect_ratio_property(struct drm_device *dev); |
| extern int drm_mode_create_dirty_info_property(struct drm_device *dev); |
| extern int drm_mode_create_suggested_offset_properties(struct drm_device *dev); |
| extern bool drm_property_change_valid_get(struct drm_property *property, |
| uint64_t value, struct drm_mode_object **ref); |
| extern void drm_property_change_valid_put(struct drm_property *property, |
| struct drm_mode_object *ref); |
| |
| extern int drm_mode_connector_attach_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_createblob_ioctl(struct drm_device *dev, |
| void *data, struct drm_file *file_priv); |
| extern int drm_mode_destroyblob_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 enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code); |
| 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 int drm_add_modes_noedid(struct drm_connector *connector, |
| int hdisplay, int vdisplay); |
| extern void drm_set_preferred_mode(struct drm_connector *connector, |
| int hpref, int vpref); |
| |
| 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, |
| bool *edid_corrupt); |
| extern bool drm_edid_is_valid(struct edid *edid); |
| |
| extern struct drm_tile_group *drm_mode_create_tile_group(struct drm_device *dev, |
| char topology[8]); |
| extern struct drm_tile_group *drm_mode_get_tile_group(struct drm_device *dev, |
| char topology[8]); |
| extern void drm_mode_put_tile_group(struct drm_device *dev, |
| struct drm_tile_group *tg); |
| 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 int drm_mode_plane_set_obj_prop(struct drm_plane *plane, |
| struct drm_property *property, |
| uint64_t value); |
| extern int drm_mode_atomic_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); |
| extern struct drm_property *drm_mode_create_rotation_property(struct drm_device *dev, |
| unsigned int supported_rotations); |
| extern unsigned int drm_rotation_simplify(unsigned int rotation, |
| unsigned int supported_rotations); |
| |
| /* Helpers */ |
| |
| static inline struct drm_plane *drm_plane_find(struct drm_device *dev, |
| uint32_t id) |
| { |
| struct drm_mode_object *mo; |
| mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PLANE); |
| return mo ? obj_to_plane(mo) : NULL; |
| } |
| |
| static inline struct drm_crtc *drm_crtc_find(struct drm_device *dev, |
| uint32_t id) |
| { |
| struct drm_mode_object *mo; |
| mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CRTC); |
| return mo ? obj_to_crtc(mo) : NULL; |
| } |
| |
| static inline struct drm_encoder *drm_encoder_find(struct drm_device *dev, |
| uint32_t id) |
| { |
| struct drm_mode_object *mo; |
| mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); |
| return mo ? obj_to_encoder(mo) : NULL; |
| } |
| |
| static inline struct drm_connector *drm_connector_find(struct drm_device *dev, |
| uint32_t id) |
| { |
| struct drm_mode_object *mo; |
| mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_CONNECTOR); |
| return mo ? obj_to_connector(mo) : NULL; |
| } |
| |
| static inline struct drm_property *drm_property_find(struct drm_device *dev, |
| uint32_t id) |
| { |
| struct drm_mode_object *mo; |
| mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_PROPERTY); |
| return mo ? obj_to_property(mo) : NULL; |
| } |
| |
| /* Plane list iterator for legacy (overlay only) planes. */ |
| #define drm_for_each_legacy_plane(plane, dev) \ |
| list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) \ |
| if (plane->type == DRM_PLANE_TYPE_OVERLAY) |
| |
| #define drm_for_each_plane(plane, dev) \ |
| list_for_each_entry(plane, &(dev)->mode_config.plane_list, head) |
| |
| #define drm_for_each_crtc(crtc, dev) \ |
| list_for_each_entry(crtc, &(dev)->mode_config.crtc_list, head) |
| |
| static inline void |
| assert_drm_connector_list_read_locked(struct drm_mode_config *mode_config) |
| { |
| /* |
| * The connector hotadd/remove code currently grabs both locks when |
| * updating lists. Hence readers need only hold either of them to be |
| * safe and the check amounts to |
| * |
| * WARN_ON(not_holding(A) && not_holding(B)). |
| */ |
| WARN_ON(!mutex_is_locked(&mode_config->mutex) && |
| !drm_modeset_is_locked(&mode_config->connection_mutex)); |
| } |
| |
| #define drm_for_each_connector(connector, dev) \ |
| for (assert_drm_connector_list_read_locked(&(dev)->mode_config), \ |
| connector = list_first_entry(&(dev)->mode_config.connector_list, \ |
| struct drm_connector, head); \ |
| &connector->head != (&(dev)->mode_config.connector_list); \ |
| connector = list_next_entry(connector, head)) |
| |
| #define drm_for_each_encoder(encoder, dev) \ |
| list_for_each_entry(encoder, &(dev)->mode_config.encoder_list, head) |
| |
| #define drm_for_each_fb(fb, dev) \ |
| for (WARN_ON(!mutex_is_locked(&(dev)->mode_config.fb_lock)), \ |
| fb = list_first_entry(&(dev)->mode_config.fb_list, \ |
| struct drm_framebuffer, head); \ |
| &fb->head != (&(dev)->mode_config.fb_list); \ |
| fb = list_next_entry(fb, head)) |
| |
| #endif /* __DRM_CRTC_H__ */ |