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Name	Size	Permission
bridge	[ DIR ]	drwxr-xr-x
i2c	[ DIR ]	drwxr-xr-x
ttm	[ DIR ]	drwxr-xr-x
amd_asic_type.h	1.66 KB	-rw-r--r--
ati_pcigart.h	731 B	-rw-r--r--
drmP.h	3.05 KB	-rw-r--r--
drm_agpsupport.h	3.44 KB	-rw-r--r--
drm_atomic.h	34.86 KB	-rw-r--r--
drm_atomic_helper.h	9.1 KB	-rw-r--r--
drm_atomic_state_helper.h	3.32 KB	-rw-r--r--
drm_atomic_uapi.h	2.17 KB	-rw-r--r--
drm_audio_component.h	3.67 KB	-rw-r--r--
drm_auth.h	3.53 KB	-rw-r--r--
drm_blend.h	2.35 KB	-rw-r--r--
drm_bridge.h	16.85 KB	-rw-r--r--
drm_cache.h	2.85 KB	-rw-r--r--
drm_client.h	4.5 KB	-rw-r--r--
drm_color_mgmt.h	3.18 KB	-rw-r--r--
drm_connector.h	51.59 KB	-rw-r--r--
drm_crtc.h	41.04 KB	-rw-r--r--
drm_crtc_helper.h	2.39 KB	-rw-r--r--
drm_damage_helper.h	3.97 KB	-rw-r--r--
drm_debugfs.h	3.41 KB	-rw-r--r--
drm_debugfs_crc.h	2.66 KB	-rw-r--r--
drm_device.h	8.35 KB	-rw-r--r--
drm_displayid.h	3.24 KB	-rw-r--r--
drm_dp_dual_mode_helper.h	4.43 KB	-rw-r--r--
drm_dp_helper.h	56.15 KB	-rw-r--r--
drm_dp_mst_helper.h	21.92 KB	-rw-r--r--
drm_drv.h	26.12 KB	-rw-r--r--
drm_dsc.h	16.21 KB	-rw-r--r--
drm_edid.h	15.75 KB	-rw-r--r--
drm_encoder.h	8.47 KB	-rw-r--r--
drm_encoder_slave.h	6.44 KB	-rw-r--r--
drm_fb_cma_helper.h	392 B	-rw-r--r--
drm_fb_helper.h	15.9 KB	-rw-r--r--
drm_file.h	10.67 KB	-rw-r--r--
drm_fixed.h	4.71 KB	-rw-r--r--
drm_flip_work.h	3.01 KB	-rw-r--r--
drm_format_helper.h	1.15 KB	-rw-r--r--
drm_fourcc.h	9.75 KB	-rw-r--r--
drm_framebuffer.h	9.56 KB	-rw-r--r--
drm_gem.h	12.06 KB	-rw-r--r--
drm_gem_cma_helper.h	4.46 KB	-rw-r--r--
drm_gem_framebuffer_helper.h	1.26 KB	-rw-r--r--
drm_gem_shmem_helper.h	5.08 KB	-rw-r--r--
drm_gem_vram_helper.h	3.73 KB	-rw-r--r--
drm_hashtab.h	3.01 KB	-rw-r--r--
drm_hdcp.h	8.55 KB	-rw-r--r--
drm_ioctl.h	6.23 KB	-rw-r--r--
drm_irq.h	1.29 KB	-rw-r--r--
drm_lease.h	1010 B	-rw-r--r--
drm_legacy.h	6.58 KB	-rw-r--r--
drm_mipi_dbi.h	4.36 KB	-rw-r--r--
drm_mipi_dsi.h	10.59 KB	-rw-r--r--
drm_mm.h	17.39 KB	-rw-r--r--
drm_mode_config.h	31.28 KB	-rw-r--r--
drm_mode_object.h	5.17 KB	-rw-r--r--
drm_modes.h	18.77 KB	-rw-r--r--
drm_modeset_helper.h	1.77 KB	-rw-r--r--
drm_modeset_helper_vtables.h	51.53 KB	-rw-r--r--
drm_modeset_lock.h	6.38 KB	-rw-r--r--
drm_of.h	3.37 KB	-rw-r--r--
drm_os_linux.h	2.04 KB	-rw-r--r--
drm_panel.h	5.16 KB	-rw-r--r--
drm_pci.h	2.23 KB	-rw-r--r--
drm_pciids.h	66.47 KB	-rw-r--r--
drm_plane.h	26.26 KB	-rw-r--r--
drm_plane_helper.h	1.75 KB	-rw-r--r--
drm_prime.h	3.86 KB	-rw-r--r--
drm_print.h	12.53 KB	-rw-r--r--
drm_probe_helper.h	848 B	-rw-r--r--
drm_property.h	11.49 KB	-rw-r--r--
drm_rect.h	5.61 KB	-rw-r--r--
drm_scdc_helper.h	4.34 KB	-rw-r--r--
drm_self_refresh_helper.h	594 B	-rw-r--r--
drm_simple_kms_helper.h	6.01 KB	-rw-r--r--
drm_syncobj.h	3.85 KB	-rw-r--r--
drm_sysfs.h	442 B	-rw-r--r--
drm_util.h	2.58 KB	-rw-r--r--
drm_utils.h	504 B	-rw-r--r--
drm_vblank.h	7.63 KB	-rw-r--r--
drm_vma_manager.h	8.14 KB	-rw-r--r--
drm_vram_mm_helper.h	2.86 KB	-rw-r--r--
drm_writeback.h	3.89 KB	-rw-r--r--
gma_drm.h	413 B	-rw-r--r--
gpu_scheduler.h	12.46 KB	-rw-r--r--
i915_component.h	1.76 KB	-rw-r--r--
i915_drm.h	3.77 KB	-rw-r--r--
i915_mei_hdcp_interface.h	4.91 KB	-rw-r--r--
i915_pciids.h	19.34 KB	-rw-r--r--
intel-gtt.h	996 B	-rw-r--r--
intel_lpe_audio.h	1.72 KB	-rw-r--r--
spsc_queue.h	3.06 KB	-rw-r--r--

Code Editor : drm_panel.h

/*
 * Copyright (C) 2013, NVIDIA Corporation.  All rights reserved.
 *
 * 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, sub license,
 * 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 (including the
 * next paragraph) 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 NON-INFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS 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_PANEL_H__
#define __DRM_PANEL_H__

#include <linux/err.h>
#include <linux/errno.h>
#include <linux/list.h>

struct device_node;
struct drm_connector;
struct drm_device;
struct drm_panel;
struct display_timing;

/**
 * struct drm_panel_funcs - perform operations on a given panel
 *
 * The .prepare() function is typically called before the display controller
 * starts to transmit video data. Panel drivers can use this to turn the panel
 * on and wait for it to become ready. If additional configuration is required
 * (via a control bus such as I2C, SPI or DSI for example) this is a good time
 * to do that.
 *
 * After the display controller has started transmitting video data, it's safe
 * to call the .enable() function. This will typically enable the backlight to
 * make the image on screen visible. Some panels require a certain amount of
 * time or frames before the image is displayed. This function is responsible
 * for taking this into account before enabling the backlight to avoid visual
 * glitches.
 *
 * Before stopping video transmission from the display controller it can be
 * necessary to turn off the panel to avoid visual glitches. This is done in
 * the .disable() function. Analogously to .enable() this typically involves
 * turning off the backlight and waiting for some time to make sure no image
 * is visible on the panel. It is then safe for the display controller to
 * cease transmission of video data.
 *
 * To save power when no video data is transmitted, a driver can power down
 * the panel. This is the job of the .unprepare() function.
 */
struct drm_panel_funcs {
	/**
	 * @prepare:
	 *
	 * Turn on panel and perform set up.
	 */
	int (*prepare)(struct drm_panel *panel);

/**
	 * @enable:
	 *
	 * Enable panel (turn on back light, etc.).
	 */
	int (*enable)(struct drm_panel *panel);

/**
	 * @disable:
	 *
	 * Disable panel (turn off back light, etc.).
	 */
	int (*disable)(struct drm_panel *panel);

/**
	 * @unprepare:
	 *
	 * Turn off panel.
	 */
	int (*unprepare)(struct drm_panel *panel);

/**
	 * @get_modes:
	 *
	 * Add modes to the connector that the panel is attached to and
	 * return the number of modes added.
	 */
	int (*get_modes)(struct drm_panel *panel);

/**
	 * @get_timings:
	 *
	 * Copy display timings into the provided array and return
	 * the number of display timings available.
	 */
	int (*get_timings)(struct drm_panel *panel, unsigned int num_timings,
			   struct display_timing *timings);
};

/**
 * struct drm_panel - DRM panel object
 */
struct drm_panel {
	/**
	 * @drm:
	 *
	 * DRM device owning the panel.
	 */
	struct drm_device *drm;

/**
	 * @connector:
	 *
	 * DRM connector that the panel is attached to.
	 */
	struct drm_connector *connector;

/**
	 * @dev:
	 *
	 * Parent device of the panel.
	 */
	struct device *dev;

/**
	 * @funcs:
	 *
	 * Operations that can be performed on the panel.
	 */
	const struct drm_panel_funcs *funcs;

/**
	 * @connector_type:
	 *
	 * Type of the panel as a DRM_MODE_CONNECTOR_* value. This is used to
	 * initialise the drm_connector corresponding to the panel with the
	 * correct connector type.
	 */
	int connector_type;

/**
	 * @list:
	 *
	 * Panel entry in registry.
	 */
	struct list_head list;
};

void drm_panel_init(struct drm_panel *panel, struct device *dev,
		    const struct drm_panel_funcs *funcs,
		    int connector_type);

int drm_panel_add(struct drm_panel *panel);
void drm_panel_remove(struct drm_panel *panel);

int drm_panel_attach(struct drm_panel *panel, struct drm_connector *connector);
void drm_panel_detach(struct drm_panel *panel);

int drm_panel_prepare(struct drm_panel *panel);
int drm_panel_unprepare(struct drm_panel *panel);

int drm_panel_enable(struct drm_panel *panel);
int drm_panel_disable(struct drm_panel *panel);

int drm_panel_get_modes(struct drm_panel *panel);

#if defined(CONFIG_OF) && defined(CONFIG_DRM_PANEL)
struct drm_panel *of_drm_find_panel(const struct device_node *np);
#else
static inline struct drm_panel *of_drm_find_panel(const struct device_node *np)
{
	return ERR_PTR(-ENODEV);
}
#endif

#endif

${this.title}

Code Editor : drm_panel.h