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9126ef85f2
Add panel identification entry for the Sharp LQ140M1JW48 eDP panel. Due to lacking documentation, a delay similar to those for the LQ140M1JW46 numbers are picked for now. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Link: https://patchwork.freedesktop.org/patch/msgid/20220608020614.4098292-1-bjorn.andersson@linaro.org
2013 lines
49 KiB
C
2013 lines
49 KiB
C
/*
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* Copyright (C) 2013, NVIDIA Corporation. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sub license,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include <linux/debugfs.h>
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#include <linux/delay.h>
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#include <linux/gpio/consumer.h>
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#include <linux/iopoll.h>
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#include <linux/module.h>
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#include <linux/of_platform.h>
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#include <linux/platform_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/regulator/consumer.h>
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#include <video/display_timing.h>
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#include <video/of_display_timing.h>
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#include <video/videomode.h>
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#include <drm/display/drm_dp_aux_bus.h>
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#include <drm/display/drm_dp_helper.h>
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#include <drm/drm_crtc.h>
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#include <drm/drm_device.h>
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#include <drm/drm_edid.h>
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#include <drm/drm_panel.h>
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/**
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* struct panel_delay - Describes delays for a simple panel.
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*/
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struct panel_delay {
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/**
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* @hpd_reliable: Time for HPD to be reliable
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*
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* The time (in milliseconds) that it takes after powering the panel
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* before the HPD signal is reliable. Ideally this is 0 but some panels,
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* board designs, or bad pulldown configs can cause a glitch here.
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*
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* NOTE: on some old panel data this number appers to be much too big.
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* Presumably some old panels simply didn't have HPD hooked up and put
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* the hpd_absent here because this field predates the
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* hpd_absent. While that works, it's non-ideal.
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*/
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unsigned int hpd_reliable;
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/**
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* @hpd_absent: Time to wait if HPD isn't hooked up.
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*
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* Add this to the prepare delay if we know Hot Plug Detect isn't used.
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*
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* This is T3-max on eDP timing diagrams or the delay from power on
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* until HPD is guaranteed to be asserted.
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*/
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unsigned int hpd_absent;
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/**
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* @prepare_to_enable: Time between prepare and enable.
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*
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* The minimum time, in milliseconds, that needs to have passed
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* between when prepare finished and enable may begin. If at
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* enable time less time has passed since prepare finished,
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* the driver waits for the remaining time.
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*
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* If a fixed enable delay is also specified, we'll start
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* counting before delaying for the fixed delay.
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*
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* If a fixed prepare delay is also specified, we won't start
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* counting until after the fixed delay. We can't overlap this
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* fixed delay with the min time because the fixed delay
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* doesn't happen at the end of the function if a HPD GPIO was
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* specified.
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*
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* In other words:
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* prepare()
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* ...
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* // do fixed prepare delay
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* // wait for HPD GPIO if applicable
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* // start counting for prepare_to_enable
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*
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* enable()
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* // do fixed enable delay
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* // enforce prepare_to_enable min time
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*
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* This is not specified in a standard way on eDP timing diagrams.
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* It is effectively the time from HPD going high till you can
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* turn on the backlight.
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*/
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unsigned int prepare_to_enable;
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/**
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* @enable: Time for the panel to display a valid frame.
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*
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* The time (in milliseconds) that it takes for the panel to
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* display the first valid frame after starting to receive
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* video data.
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*
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* This is (T6-min + max(T7-max, T8-min)) on eDP timing diagrams or
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* the delay after link training finishes until we can turn the
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* backlight on and see valid data.
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*/
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unsigned int enable;
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/**
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* @disable: Time for the panel to turn the display off.
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*
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* The time (in milliseconds) that it takes for the panel to
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* turn the display off (no content is visible).
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*
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* This is T9-min (delay from backlight off to end of valid video
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* data) on eDP timing diagrams. It is not common to set.
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*/
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unsigned int disable;
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/**
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* @unprepare: Time to power down completely.
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*
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* The time (in milliseconds) that it takes for the panel
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* to power itself down completely.
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*
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* This time is used to prevent a future "prepare" from
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* starting until at least this many milliseconds has passed.
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* If at prepare time less time has passed since unprepare
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* finished, the driver waits for the remaining time.
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*
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* This is T12-min on eDP timing diagrams.
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*/
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unsigned int unprepare;
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};
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/**
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* struct panel_desc - Describes a simple panel.
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*/
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struct panel_desc {
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/**
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* @modes: Pointer to array of fixed modes appropriate for this panel.
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*
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* If only one mode then this can just be the address of the mode.
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* NOTE: cannot be used with "timings" and also if this is specified
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* then you cannot override the mode in the device tree.
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*/
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const struct drm_display_mode *modes;
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/** @num_modes: Number of elements in modes array. */
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unsigned int num_modes;
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/**
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* @timings: Pointer to array of display timings
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*
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* NOTE: cannot be used with "modes" and also these will be used to
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* validate a device tree override if one is present.
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*/
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const struct display_timing *timings;
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/** @num_timings: Number of elements in timings array. */
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unsigned int num_timings;
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/** @bpc: Bits per color. */
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unsigned int bpc;
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/** @size: Structure containing the physical size of this panel. */
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struct {
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/**
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* @size.width: Width (in mm) of the active display area.
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*/
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unsigned int width;
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/**
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* @size.height: Height (in mm) of the active display area.
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*/
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unsigned int height;
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} size;
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/** @delay: Structure containing various delay values for this panel. */
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struct panel_delay delay;
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};
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/**
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* struct edp_panel_entry - Maps panel ID to delay / panel name.
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*/
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struct edp_panel_entry {
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/** @panel_id: 32-bit ID for panel, encoded with drm_edid_encode_panel_id(). */
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u32 panel_id;
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/** @delay: The power sequencing delays needed for this panel. */
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const struct panel_delay *delay;
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/** @name: Name of this panel (for printing to logs). */
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const char *name;
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};
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struct panel_edp {
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struct drm_panel base;
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bool enabled;
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bool no_hpd;
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bool prepared;
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ktime_t prepared_time;
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ktime_t unprepared_time;
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const struct panel_desc *desc;
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struct regulator *supply;
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struct i2c_adapter *ddc;
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struct drm_dp_aux *aux;
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struct gpio_desc *enable_gpio;
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struct gpio_desc *hpd_gpio;
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const struct edp_panel_entry *detected_panel;
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struct edid *edid;
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struct drm_display_mode override_mode;
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enum drm_panel_orientation orientation;
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};
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static inline struct panel_edp *to_panel_edp(struct drm_panel *panel)
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{
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return container_of(panel, struct panel_edp, base);
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}
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static unsigned int panel_edp_get_timings_modes(struct panel_edp *panel,
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struct drm_connector *connector)
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{
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struct drm_display_mode *mode;
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unsigned int i, num = 0;
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for (i = 0; i < panel->desc->num_timings; i++) {
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const struct display_timing *dt = &panel->desc->timings[i];
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struct videomode vm;
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videomode_from_timing(dt, &vm);
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mode = drm_mode_create(connector->dev);
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if (!mode) {
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dev_err(panel->base.dev, "failed to add mode %ux%u\n",
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dt->hactive.typ, dt->vactive.typ);
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continue;
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}
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drm_display_mode_from_videomode(&vm, mode);
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mode->type |= DRM_MODE_TYPE_DRIVER;
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if (panel->desc->num_timings == 1)
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mode->type |= DRM_MODE_TYPE_PREFERRED;
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drm_mode_probed_add(connector, mode);
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num++;
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}
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return num;
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}
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static unsigned int panel_edp_get_display_modes(struct panel_edp *panel,
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struct drm_connector *connector)
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{
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struct drm_display_mode *mode;
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unsigned int i, num = 0;
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for (i = 0; i < panel->desc->num_modes; i++) {
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const struct drm_display_mode *m = &panel->desc->modes[i];
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mode = drm_mode_duplicate(connector->dev, m);
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if (!mode) {
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dev_err(panel->base.dev, "failed to add mode %ux%u@%u\n",
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m->hdisplay, m->vdisplay,
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drm_mode_vrefresh(m));
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continue;
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}
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mode->type |= DRM_MODE_TYPE_DRIVER;
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if (panel->desc->num_modes == 1)
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mode->type |= DRM_MODE_TYPE_PREFERRED;
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drm_mode_set_name(mode);
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drm_mode_probed_add(connector, mode);
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num++;
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}
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return num;
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}
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static int panel_edp_get_non_edid_modes(struct panel_edp *panel,
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struct drm_connector *connector)
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{
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struct drm_display_mode *mode;
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bool has_override = panel->override_mode.type;
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unsigned int num = 0;
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if (!panel->desc)
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return 0;
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if (has_override) {
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mode = drm_mode_duplicate(connector->dev,
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&panel->override_mode);
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if (mode) {
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drm_mode_probed_add(connector, mode);
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num = 1;
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} else {
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dev_err(panel->base.dev, "failed to add override mode\n");
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}
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}
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/* Only add timings if override was not there or failed to validate */
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if (num == 0 && panel->desc->num_timings)
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num = panel_edp_get_timings_modes(panel, connector);
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/*
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* Only add fixed modes if timings/override added no mode.
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*
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* We should only ever have either the display timings specified
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* or a fixed mode. Anything else is rather bogus.
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*/
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WARN_ON(panel->desc->num_timings && panel->desc->num_modes);
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if (num == 0)
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num = panel_edp_get_display_modes(panel, connector);
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connector->display_info.bpc = panel->desc->bpc;
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connector->display_info.width_mm = panel->desc->size.width;
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connector->display_info.height_mm = panel->desc->size.height;
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return num;
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}
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static void panel_edp_wait(ktime_t start_ktime, unsigned int min_ms)
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{
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ktime_t now_ktime, min_ktime;
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if (!min_ms)
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return;
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min_ktime = ktime_add(start_ktime, ms_to_ktime(min_ms));
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now_ktime = ktime_get();
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if (ktime_before(now_ktime, min_ktime))
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msleep(ktime_to_ms(ktime_sub(min_ktime, now_ktime)) + 1);
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}
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static int panel_edp_disable(struct drm_panel *panel)
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{
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struct panel_edp *p = to_panel_edp(panel);
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if (!p->enabled)
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return 0;
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if (p->desc->delay.disable)
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msleep(p->desc->delay.disable);
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p->enabled = false;
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return 0;
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}
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static int panel_edp_suspend(struct device *dev)
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{
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struct panel_edp *p = dev_get_drvdata(dev);
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gpiod_set_value_cansleep(p->enable_gpio, 0);
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regulator_disable(p->supply);
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p->unprepared_time = ktime_get();
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return 0;
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}
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static int panel_edp_unprepare(struct drm_panel *panel)
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{
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struct panel_edp *p = to_panel_edp(panel);
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int ret;
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/* Unpreparing when already unprepared is a no-op */
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if (!p->prepared)
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return 0;
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pm_runtime_mark_last_busy(panel->dev);
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ret = pm_runtime_put_autosuspend(panel->dev);
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if (ret < 0)
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return ret;
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p->prepared = false;
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return 0;
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}
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static int panel_edp_get_hpd_gpio(struct device *dev, struct panel_edp *p)
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{
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int err;
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p->hpd_gpio = devm_gpiod_get_optional(dev, "hpd", GPIOD_IN);
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if (IS_ERR(p->hpd_gpio)) {
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err = PTR_ERR(p->hpd_gpio);
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if (err != -EPROBE_DEFER)
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dev_err(dev, "failed to get 'hpd' GPIO: %d\n", err);
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return err;
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}
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return 0;
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}
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static bool panel_edp_can_read_hpd(struct panel_edp *p)
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{
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return !p->no_hpd && (p->hpd_gpio || (p->aux && p->aux->wait_hpd_asserted));
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}
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static int panel_edp_prepare_once(struct panel_edp *p)
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{
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struct device *dev = p->base.dev;
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unsigned int delay;
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int err;
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int hpd_asserted;
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unsigned long hpd_wait_us;
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panel_edp_wait(p->unprepared_time, p->desc->delay.unprepare);
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err = regulator_enable(p->supply);
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if (err < 0) {
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dev_err(dev, "failed to enable supply: %d\n", err);
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return err;
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}
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gpiod_set_value_cansleep(p->enable_gpio, 1);
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delay = p->desc->delay.hpd_reliable;
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if (p->no_hpd)
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delay = max(delay, p->desc->delay.hpd_absent);
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if (delay)
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msleep(delay);
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if (panel_edp_can_read_hpd(p)) {
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if (p->desc->delay.hpd_absent)
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hpd_wait_us = p->desc->delay.hpd_absent * 1000UL;
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else
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hpd_wait_us = 2000000;
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if (p->hpd_gpio) {
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err = readx_poll_timeout(gpiod_get_value_cansleep,
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p->hpd_gpio, hpd_asserted,
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hpd_asserted, 1000, hpd_wait_us);
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if (hpd_asserted < 0)
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err = hpd_asserted;
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} else {
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err = p->aux->wait_hpd_asserted(p->aux, hpd_wait_us);
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}
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if (err) {
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if (err != -ETIMEDOUT)
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dev_err(dev,
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"error waiting for hpd GPIO: %d\n", err);
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goto error;
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}
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}
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p->prepared_time = ktime_get();
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return 0;
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error:
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gpiod_set_value_cansleep(p->enable_gpio, 0);
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regulator_disable(p->supply);
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p->unprepared_time = ktime_get();
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return err;
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}
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/*
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* Some panels simply don't always come up and need to be power cycled to
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* work properly. We'll allow for a handful of retries.
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*/
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#define MAX_PANEL_PREPARE_TRIES 5
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static int panel_edp_resume(struct device *dev)
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{
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struct panel_edp *p = dev_get_drvdata(dev);
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int ret;
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int try;
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for (try = 0; try < MAX_PANEL_PREPARE_TRIES; try++) {
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ret = panel_edp_prepare_once(p);
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if (ret != -ETIMEDOUT)
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break;
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}
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if (ret == -ETIMEDOUT)
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dev_err(dev, "Prepare timeout after %d tries\n", try);
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else if (try)
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dev_warn(dev, "Prepare needed %d retries\n", try);
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return ret;
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}
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static int panel_edp_prepare(struct drm_panel *panel)
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{
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struct panel_edp *p = to_panel_edp(panel);
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int ret;
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/* Preparing when already prepared is a no-op */
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if (p->prepared)
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return 0;
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ret = pm_runtime_get_sync(panel->dev);
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if (ret < 0) {
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pm_runtime_put_autosuspend(panel->dev);
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return ret;
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}
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p->prepared = true;
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return 0;
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}
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|
|
static int panel_edp_enable(struct drm_panel *panel)
|
|
{
|
|
struct panel_edp *p = to_panel_edp(panel);
|
|
unsigned int delay;
|
|
|
|
if (p->enabled)
|
|
return 0;
|
|
|
|
delay = p->desc->delay.enable;
|
|
|
|
/*
|
|
* If there is a "prepare_to_enable" delay then that's supposed to be
|
|
* the delay from HPD going high until we can turn the backlight on.
|
|
* However, we can only count this if HPD is readable by the panel
|
|
* driver.
|
|
*
|
|
* If we aren't handling the HPD pin ourselves then the best we
|
|
* can do is assume that HPD went high immediately before we were
|
|
* called (and link training took zero time). Note that "no-hpd"
|
|
* actually counts as handling HPD ourselves since we're doing the
|
|
* worst case delay (in prepare) ourselves.
|
|
*
|
|
* NOTE: if we ever end up in this "if" statement then we're
|
|
* guaranteed that the panel_edp_wait() call below will do no delay.
|
|
* It already handles that case, though, so we don't need any special
|
|
* code for it.
|
|
*/
|
|
if (p->desc->delay.prepare_to_enable &&
|
|
!panel_edp_can_read_hpd(p) && !p->no_hpd)
|
|
delay = max(delay, p->desc->delay.prepare_to_enable);
|
|
|
|
if (delay)
|
|
msleep(delay);
|
|
|
|
panel_edp_wait(p->prepared_time, p->desc->delay.prepare_to_enable);
|
|
|
|
p->enabled = true;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int panel_edp_get_modes(struct drm_panel *panel,
|
|
struct drm_connector *connector)
|
|
{
|
|
struct panel_edp *p = to_panel_edp(panel);
|
|
int num = 0;
|
|
|
|
/* probe EDID if a DDC bus is available */
|
|
if (p->ddc) {
|
|
pm_runtime_get_sync(panel->dev);
|
|
|
|
if (!p->edid)
|
|
p->edid = drm_get_edid(connector, p->ddc);
|
|
|
|
if (p->edid)
|
|
num += drm_add_edid_modes(connector, p->edid);
|
|
|
|
pm_runtime_mark_last_busy(panel->dev);
|
|
pm_runtime_put_autosuspend(panel->dev);
|
|
}
|
|
|
|
/*
|
|
* Add hard-coded panel modes. Don't call this if there are no timings
|
|
* and no modes (the generic edp-panel case) because it will clobber
|
|
* the display_info that was already set by drm_add_edid_modes().
|
|
*/
|
|
if (p->desc->num_timings || p->desc->num_modes)
|
|
num += panel_edp_get_non_edid_modes(p, connector);
|
|
else if (!num)
|
|
dev_warn(p->base.dev, "No display modes\n");
|
|
|
|
/*
|
|
* TODO: Remove once all drm drivers call
|
|
* drm_connector_set_orientation_from_panel()
|
|
*/
|
|
drm_connector_set_panel_orientation(connector, p->orientation);
|
|
|
|
return num;
|
|
}
|
|
|
|
static int panel_edp_get_timings(struct drm_panel *panel,
|
|
unsigned int num_timings,
|
|
struct display_timing *timings)
|
|
{
|
|
struct panel_edp *p = to_panel_edp(panel);
|
|
unsigned int i;
|
|
|
|
if (p->desc->num_timings < num_timings)
|
|
num_timings = p->desc->num_timings;
|
|
|
|
if (timings)
|
|
for (i = 0; i < num_timings; i++)
|
|
timings[i] = p->desc->timings[i];
|
|
|
|
return p->desc->num_timings;
|
|
}
|
|
|
|
static enum drm_panel_orientation panel_edp_get_orientation(struct drm_panel *panel)
|
|
{
|
|
struct panel_edp *p = to_panel_edp(panel);
|
|
|
|
return p->orientation;
|
|
}
|
|
|
|
static int detected_panel_show(struct seq_file *s, void *data)
|
|
{
|
|
struct drm_panel *panel = s->private;
|
|
struct panel_edp *p = to_panel_edp(panel);
|
|
|
|
if (IS_ERR(p->detected_panel))
|
|
seq_puts(s, "UNKNOWN\n");
|
|
else if (!p->detected_panel)
|
|
seq_puts(s, "HARDCODED\n");
|
|
else
|
|
seq_printf(s, "%s\n", p->detected_panel->name);
|
|
|
|
return 0;
|
|
}
|
|
|
|
DEFINE_SHOW_ATTRIBUTE(detected_panel);
|
|
|
|
static void panel_edp_debugfs_init(struct drm_panel *panel, struct dentry *root)
|
|
{
|
|
debugfs_create_file("detected_panel", 0600, root, panel, &detected_panel_fops);
|
|
}
|
|
|
|
static const struct drm_panel_funcs panel_edp_funcs = {
|
|
.disable = panel_edp_disable,
|
|
.unprepare = panel_edp_unprepare,
|
|
.prepare = panel_edp_prepare,
|
|
.enable = panel_edp_enable,
|
|
.get_modes = panel_edp_get_modes,
|
|
.get_orientation = panel_edp_get_orientation,
|
|
.get_timings = panel_edp_get_timings,
|
|
.debugfs_init = panel_edp_debugfs_init,
|
|
};
|
|
|
|
#define PANEL_EDP_BOUNDS_CHECK(to_check, bounds, field) \
|
|
(to_check->field.typ >= bounds->field.min && \
|
|
to_check->field.typ <= bounds->field.max)
|
|
static void panel_edp_parse_panel_timing_node(struct device *dev,
|
|
struct panel_edp *panel,
|
|
const struct display_timing *ot)
|
|
{
|
|
const struct panel_desc *desc = panel->desc;
|
|
struct videomode vm;
|
|
unsigned int i;
|
|
|
|
if (WARN_ON(desc->num_modes)) {
|
|
dev_err(dev, "Reject override mode: panel has a fixed mode\n");
|
|
return;
|
|
}
|
|
if (WARN_ON(!desc->num_timings)) {
|
|
dev_err(dev, "Reject override mode: no timings specified\n");
|
|
return;
|
|
}
|
|
|
|
for (i = 0; i < panel->desc->num_timings; i++) {
|
|
const struct display_timing *dt = &panel->desc->timings[i];
|
|
|
|
if (!PANEL_EDP_BOUNDS_CHECK(ot, dt, hactive) ||
|
|
!PANEL_EDP_BOUNDS_CHECK(ot, dt, hfront_porch) ||
|
|
!PANEL_EDP_BOUNDS_CHECK(ot, dt, hback_porch) ||
|
|
!PANEL_EDP_BOUNDS_CHECK(ot, dt, hsync_len) ||
|
|
!PANEL_EDP_BOUNDS_CHECK(ot, dt, vactive) ||
|
|
!PANEL_EDP_BOUNDS_CHECK(ot, dt, vfront_porch) ||
|
|
!PANEL_EDP_BOUNDS_CHECK(ot, dt, vback_porch) ||
|
|
!PANEL_EDP_BOUNDS_CHECK(ot, dt, vsync_len))
|
|
continue;
|
|
|
|
if (ot->flags != dt->flags)
|
|
continue;
|
|
|
|
videomode_from_timing(ot, &vm);
|
|
drm_display_mode_from_videomode(&vm, &panel->override_mode);
|
|
panel->override_mode.type |= DRM_MODE_TYPE_DRIVER |
|
|
DRM_MODE_TYPE_PREFERRED;
|
|
break;
|
|
}
|
|
|
|
if (WARN_ON(!panel->override_mode.type))
|
|
dev_err(dev, "Reject override mode: No display_timing found\n");
|
|
}
|
|
|
|
static const struct edp_panel_entry *find_edp_panel(u32 panel_id);
|
|
|
|
static int generic_edp_panel_probe(struct device *dev, struct panel_edp *panel)
|
|
{
|
|
struct panel_desc *desc;
|
|
u32 panel_id;
|
|
char vend[4];
|
|
u16 product_id;
|
|
u32 reliable_ms = 0;
|
|
u32 absent_ms = 0;
|
|
int ret;
|
|
|
|
desc = devm_kzalloc(dev, sizeof(*desc), GFP_KERNEL);
|
|
if (!desc)
|
|
return -ENOMEM;
|
|
panel->desc = desc;
|
|
|
|
/*
|
|
* Read the dts properties for the initial probe. These are used by
|
|
* the runtime resume code which will get called by the
|
|
* pm_runtime_get_sync() call below.
|
|
*/
|
|
of_property_read_u32(dev->of_node, "hpd-reliable-delay-ms", &reliable_ms);
|
|
desc->delay.hpd_reliable = reliable_ms;
|
|
of_property_read_u32(dev->of_node, "hpd-absent-delay-ms", &absent_ms);
|
|
desc->delay.hpd_reliable = absent_ms;
|
|
|
|
/* Power the panel on so we can read the EDID */
|
|
ret = pm_runtime_get_sync(dev);
|
|
if (ret < 0) {
|
|
dev_err(dev, "Couldn't power on panel to read EDID: %d\n", ret);
|
|
goto exit;
|
|
}
|
|
|
|
panel_id = drm_edid_get_panel_id(panel->ddc);
|
|
if (!panel_id) {
|
|
dev_err(dev, "Couldn't identify panel via EDID\n");
|
|
ret = -EIO;
|
|
goto exit;
|
|
}
|
|
drm_edid_decode_panel_id(panel_id, vend, &product_id);
|
|
|
|
panel->detected_panel = find_edp_panel(panel_id);
|
|
|
|
/*
|
|
* We're using non-optimized timings and want it really obvious that
|
|
* someone needs to add an entry to the table, so we'll do a WARN_ON
|
|
* splat.
|
|
*/
|
|
if (WARN_ON(!panel->detected_panel)) {
|
|
dev_warn(dev,
|
|
"Unknown panel %s %#06x, using conservative timings\n",
|
|
vend, product_id);
|
|
|
|
/*
|
|
* It's highly likely that the panel will work if we use very
|
|
* conservative timings, so let's do that. We already know that
|
|
* the HPD-related delays must have worked since we got this
|
|
* far, so we really just need the "unprepare" / "enable"
|
|
* delays. We don't need "prepare_to_enable" since that
|
|
* overlaps the "enable" delay anyway.
|
|
*
|
|
* Nearly all panels have a "unprepare" delay of 500 ms though
|
|
* there are a few with 1000. Let's stick 2000 in just to be
|
|
* super conservative.
|
|
*
|
|
* An "enable" delay of 80 ms seems the most common, but we'll
|
|
* throw in 200 ms to be safe.
|
|
*/
|
|
desc->delay.unprepare = 2000;
|
|
desc->delay.enable = 200;
|
|
|
|
panel->detected_panel = ERR_PTR(-EINVAL);
|
|
} else {
|
|
dev_info(dev, "Detected %s %s (%#06x)\n",
|
|
vend, panel->detected_panel->name, product_id);
|
|
|
|
/* Update the delay; everything else comes from EDID */
|
|
desc->delay = *panel->detected_panel->delay;
|
|
}
|
|
|
|
ret = 0;
|
|
exit:
|
|
pm_runtime_mark_last_busy(dev);
|
|
pm_runtime_put_autosuspend(dev);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int panel_edp_probe(struct device *dev, const struct panel_desc *desc,
|
|
struct drm_dp_aux *aux)
|
|
{
|
|
struct panel_edp *panel;
|
|
struct display_timing dt;
|
|
struct device_node *ddc;
|
|
int err;
|
|
|
|
panel = devm_kzalloc(dev, sizeof(*panel), GFP_KERNEL);
|
|
if (!panel)
|
|
return -ENOMEM;
|
|
|
|
panel->enabled = false;
|
|
panel->prepared_time = 0;
|
|
panel->desc = desc;
|
|
panel->aux = aux;
|
|
|
|
panel->no_hpd = of_property_read_bool(dev->of_node, "no-hpd");
|
|
if (!panel->no_hpd) {
|
|
err = panel_edp_get_hpd_gpio(dev, panel);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
panel->supply = devm_regulator_get(dev, "power");
|
|
if (IS_ERR(panel->supply))
|
|
return PTR_ERR(panel->supply);
|
|
|
|
panel->enable_gpio = devm_gpiod_get_optional(dev, "enable",
|
|
GPIOD_OUT_LOW);
|
|
if (IS_ERR(panel->enable_gpio)) {
|
|
err = PTR_ERR(panel->enable_gpio);
|
|
if (err != -EPROBE_DEFER)
|
|
dev_err(dev, "failed to request GPIO: %d\n", err);
|
|
return err;
|
|
}
|
|
|
|
err = of_drm_get_panel_orientation(dev->of_node, &panel->orientation);
|
|
if (err) {
|
|
dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, err);
|
|
return err;
|
|
}
|
|
|
|
ddc = of_parse_phandle(dev->of_node, "ddc-i2c-bus", 0);
|
|
if (ddc) {
|
|
panel->ddc = of_find_i2c_adapter_by_node(ddc);
|
|
of_node_put(ddc);
|
|
|
|
if (!panel->ddc)
|
|
return -EPROBE_DEFER;
|
|
} else if (aux) {
|
|
panel->ddc = &aux->ddc;
|
|
}
|
|
|
|
if (!of_get_display_timing(dev->of_node, "panel-timing", &dt))
|
|
panel_edp_parse_panel_timing_node(dev, panel, &dt);
|
|
|
|
dev_set_drvdata(dev, panel);
|
|
|
|
drm_panel_init(&panel->base, dev, &panel_edp_funcs, DRM_MODE_CONNECTOR_eDP);
|
|
|
|
err = drm_panel_of_backlight(&panel->base);
|
|
if (err)
|
|
goto err_finished_ddc_init;
|
|
|
|
/*
|
|
* We use runtime PM for prepare / unprepare since those power the panel
|
|
* on and off and those can be very slow operations. This is important
|
|
* to optimize powering the panel on briefly to read the EDID before
|
|
* fully enabling the panel.
|
|
*/
|
|
pm_runtime_enable(dev);
|
|
pm_runtime_set_autosuspend_delay(dev, 1000);
|
|
pm_runtime_use_autosuspend(dev);
|
|
|
|
if (of_device_is_compatible(dev->of_node, "edp-panel")) {
|
|
err = generic_edp_panel_probe(dev, panel);
|
|
if (err) {
|
|
dev_err_probe(dev, err,
|
|
"Couldn't detect panel nor find a fallback\n");
|
|
goto err_finished_pm_runtime;
|
|
}
|
|
/* generic_edp_panel_probe() replaces desc in the panel */
|
|
desc = panel->desc;
|
|
} else if (desc->bpc != 6 && desc->bpc != 8 && desc->bpc != 10) {
|
|
dev_warn(dev, "Expected bpc in {6,8,10} but got: %u\n", desc->bpc);
|
|
}
|
|
|
|
if (!panel->base.backlight && panel->aux) {
|
|
pm_runtime_get_sync(dev);
|
|
err = drm_panel_dp_aux_backlight(&panel->base, panel->aux);
|
|
pm_runtime_mark_last_busy(dev);
|
|
pm_runtime_put_autosuspend(dev);
|
|
if (err)
|
|
goto err_finished_pm_runtime;
|
|
}
|
|
|
|
drm_panel_add(&panel->base);
|
|
|
|
return 0;
|
|
|
|
err_finished_pm_runtime:
|
|
pm_runtime_dont_use_autosuspend(dev);
|
|
pm_runtime_disable(dev);
|
|
err_finished_ddc_init:
|
|
if (panel->ddc && (!panel->aux || panel->ddc != &panel->aux->ddc))
|
|
put_device(&panel->ddc->dev);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int panel_edp_remove(struct device *dev)
|
|
{
|
|
struct panel_edp *panel = dev_get_drvdata(dev);
|
|
|
|
drm_panel_remove(&panel->base);
|
|
drm_panel_disable(&panel->base);
|
|
drm_panel_unprepare(&panel->base);
|
|
|
|
pm_runtime_dont_use_autosuspend(dev);
|
|
pm_runtime_disable(dev);
|
|
if (panel->ddc && (!panel->aux || panel->ddc != &panel->aux->ddc))
|
|
put_device(&panel->ddc->dev);
|
|
|
|
kfree(panel->edid);
|
|
panel->edid = NULL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void panel_edp_shutdown(struct device *dev)
|
|
{
|
|
struct panel_edp *panel = dev_get_drvdata(dev);
|
|
|
|
drm_panel_disable(&panel->base);
|
|
drm_panel_unprepare(&panel->base);
|
|
}
|
|
|
|
static const struct display_timing auo_b101ean01_timing = {
|
|
.pixelclock = { 65300000, 72500000, 75000000 },
|
|
.hactive = { 1280, 1280, 1280 },
|
|
.hfront_porch = { 18, 119, 119 },
|
|
.hback_porch = { 21, 21, 21 },
|
|
.hsync_len = { 32, 32, 32 },
|
|
.vactive = { 800, 800, 800 },
|
|
.vfront_porch = { 4, 4, 4 },
|
|
.vback_porch = { 8, 8, 8 },
|
|
.vsync_len = { 18, 20, 20 },
|
|
};
|
|
|
|
static const struct panel_desc auo_b101ean01 = {
|
|
.timings = &auo_b101ean01_timing,
|
|
.num_timings = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 217,
|
|
.height = 136,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode auo_b116xak01_mode = {
|
|
.clock = 69300,
|
|
.hdisplay = 1366,
|
|
.hsync_start = 1366 + 48,
|
|
.hsync_end = 1366 + 48 + 32,
|
|
.htotal = 1366 + 48 + 32 + 10,
|
|
.vdisplay = 768,
|
|
.vsync_start = 768 + 4,
|
|
.vsync_end = 768 + 4 + 6,
|
|
.vtotal = 768 + 4 + 6 + 15,
|
|
.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
|
|
};
|
|
|
|
static const struct panel_desc auo_b116xak01 = {
|
|
.modes = &auo_b116xak01_mode,
|
|
.num_modes = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 256,
|
|
.height = 144,
|
|
},
|
|
.delay = {
|
|
.hpd_absent = 200,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode auo_b116xw03_mode = {
|
|
.clock = 70589,
|
|
.hdisplay = 1366,
|
|
.hsync_start = 1366 + 40,
|
|
.hsync_end = 1366 + 40 + 40,
|
|
.htotal = 1366 + 40 + 40 + 32,
|
|
.vdisplay = 768,
|
|
.vsync_start = 768 + 10,
|
|
.vsync_end = 768 + 10 + 12,
|
|
.vtotal = 768 + 10 + 12 + 6,
|
|
.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
|
|
};
|
|
|
|
static const struct panel_desc auo_b116xw03 = {
|
|
.modes = &auo_b116xw03_mode,
|
|
.num_modes = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 256,
|
|
.height = 144,
|
|
},
|
|
.delay = {
|
|
.enable = 400,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode auo_b133han05_mode = {
|
|
.clock = 142600,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 58,
|
|
.hsync_end = 1920 + 58 + 42,
|
|
.htotal = 1920 + 58 + 42 + 60,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 3,
|
|
.vsync_end = 1080 + 3 + 5,
|
|
.vtotal = 1080 + 3 + 5 + 54,
|
|
};
|
|
|
|
static const struct panel_desc auo_b133han05 = {
|
|
.modes = &auo_b133han05_mode,
|
|
.num_modes = 1,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 293,
|
|
.height = 165,
|
|
},
|
|
.delay = {
|
|
.hpd_reliable = 100,
|
|
.enable = 20,
|
|
.unprepare = 50,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode auo_b133htn01_mode = {
|
|
.clock = 150660,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 172,
|
|
.hsync_end = 1920 + 172 + 80,
|
|
.htotal = 1920 + 172 + 80 + 60,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 25,
|
|
.vsync_end = 1080 + 25 + 10,
|
|
.vtotal = 1080 + 25 + 10 + 10,
|
|
};
|
|
|
|
static const struct panel_desc auo_b133htn01 = {
|
|
.modes = &auo_b133htn01_mode,
|
|
.num_modes = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 293,
|
|
.height = 165,
|
|
},
|
|
.delay = {
|
|
.hpd_reliable = 105,
|
|
.enable = 20,
|
|
.unprepare = 50,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode auo_b133xtn01_mode = {
|
|
.clock = 69500,
|
|
.hdisplay = 1366,
|
|
.hsync_start = 1366 + 48,
|
|
.hsync_end = 1366 + 48 + 32,
|
|
.htotal = 1366 + 48 + 32 + 20,
|
|
.vdisplay = 768,
|
|
.vsync_start = 768 + 3,
|
|
.vsync_end = 768 + 3 + 6,
|
|
.vtotal = 768 + 3 + 6 + 13,
|
|
};
|
|
|
|
static const struct panel_desc auo_b133xtn01 = {
|
|
.modes = &auo_b133xtn01_mode,
|
|
.num_modes = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 293,
|
|
.height = 165,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode auo_b140han06_mode = {
|
|
.clock = 141000,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 16,
|
|
.hsync_end = 1920 + 16 + 16,
|
|
.htotal = 1920 + 16 + 16 + 152,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 3,
|
|
.vsync_end = 1080 + 3 + 14,
|
|
.vtotal = 1080 + 3 + 14 + 19,
|
|
};
|
|
|
|
static const struct panel_desc auo_b140han06 = {
|
|
.modes = &auo_b140han06_mode,
|
|
.num_modes = 1,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 309,
|
|
.height = 174,
|
|
},
|
|
.delay = {
|
|
.hpd_reliable = 100,
|
|
.enable = 20,
|
|
.unprepare = 50,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode boe_nv101wxmn51_modes[] = {
|
|
{
|
|
.clock = 71900,
|
|
.hdisplay = 1280,
|
|
.hsync_start = 1280 + 48,
|
|
.hsync_end = 1280 + 48 + 32,
|
|
.htotal = 1280 + 48 + 32 + 80,
|
|
.vdisplay = 800,
|
|
.vsync_start = 800 + 3,
|
|
.vsync_end = 800 + 3 + 5,
|
|
.vtotal = 800 + 3 + 5 + 24,
|
|
},
|
|
{
|
|
.clock = 57500,
|
|
.hdisplay = 1280,
|
|
.hsync_start = 1280 + 48,
|
|
.hsync_end = 1280 + 48 + 32,
|
|
.htotal = 1280 + 48 + 32 + 80,
|
|
.vdisplay = 800,
|
|
.vsync_start = 800 + 3,
|
|
.vsync_end = 800 + 3 + 5,
|
|
.vtotal = 800 + 3 + 5 + 24,
|
|
},
|
|
};
|
|
|
|
static const struct panel_desc boe_nv101wxmn51 = {
|
|
.modes = boe_nv101wxmn51_modes,
|
|
.num_modes = ARRAY_SIZE(boe_nv101wxmn51_modes),
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 217,
|
|
.height = 136,
|
|
},
|
|
.delay = {
|
|
/* TODO: should be hpd-absent and no-hpd should be set? */
|
|
.hpd_reliable = 210,
|
|
.enable = 50,
|
|
.unprepare = 160,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode boe_nv110wtm_n61_modes[] = {
|
|
{
|
|
.clock = 207800,
|
|
.hdisplay = 2160,
|
|
.hsync_start = 2160 + 48,
|
|
.hsync_end = 2160 + 48 + 32,
|
|
.htotal = 2160 + 48 + 32 + 100,
|
|
.vdisplay = 1440,
|
|
.vsync_start = 1440 + 3,
|
|
.vsync_end = 1440 + 3 + 6,
|
|
.vtotal = 1440 + 3 + 6 + 31,
|
|
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC,
|
|
},
|
|
{
|
|
.clock = 138500,
|
|
.hdisplay = 2160,
|
|
.hsync_start = 2160 + 48,
|
|
.hsync_end = 2160 + 48 + 32,
|
|
.htotal = 2160 + 48 + 32 + 100,
|
|
.vdisplay = 1440,
|
|
.vsync_start = 1440 + 3,
|
|
.vsync_end = 1440 + 3 + 6,
|
|
.vtotal = 1440 + 3 + 6 + 31,
|
|
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC,
|
|
},
|
|
};
|
|
|
|
static const struct panel_desc boe_nv110wtm_n61 = {
|
|
.modes = boe_nv110wtm_n61_modes,
|
|
.num_modes = ARRAY_SIZE(boe_nv110wtm_n61_modes),
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 233,
|
|
.height = 155,
|
|
},
|
|
.delay = {
|
|
.hpd_absent = 200,
|
|
.prepare_to_enable = 80,
|
|
.enable = 50,
|
|
.unprepare = 500,
|
|
},
|
|
};
|
|
|
|
/* Also used for boe_nv133fhm_n62 */
|
|
static const struct drm_display_mode boe_nv133fhm_n61_modes = {
|
|
.clock = 147840,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 48,
|
|
.hsync_end = 1920 + 48 + 32,
|
|
.htotal = 1920 + 48 + 32 + 200,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 3,
|
|
.vsync_end = 1080 + 3 + 6,
|
|
.vtotal = 1080 + 3 + 6 + 31,
|
|
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC,
|
|
};
|
|
|
|
/* Also used for boe_nv133fhm_n62 */
|
|
static const struct panel_desc boe_nv133fhm_n61 = {
|
|
.modes = &boe_nv133fhm_n61_modes,
|
|
.num_modes = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 294,
|
|
.height = 165,
|
|
},
|
|
.delay = {
|
|
/*
|
|
* When power is first given to the panel there's a short
|
|
* spike on the HPD line. It was explained that this spike
|
|
* was until the TCON data download was complete. On
|
|
* one system this was measured at 8 ms. We'll put 15 ms
|
|
* in the prepare delay just to be safe. That means:
|
|
* - If HPD isn't hooked up you still have 200 ms delay.
|
|
* - If HPD is hooked up we won't try to look at it for the
|
|
* first 15 ms.
|
|
*/
|
|
.hpd_reliable = 15,
|
|
.hpd_absent = 200,
|
|
|
|
.unprepare = 500,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode boe_nv140fhmn49_modes[] = {
|
|
{
|
|
.clock = 148500,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 48,
|
|
.hsync_end = 1920 + 48 + 32,
|
|
.htotal = 2200,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 3,
|
|
.vsync_end = 1080 + 3 + 5,
|
|
.vtotal = 1125,
|
|
},
|
|
};
|
|
|
|
static const struct panel_desc boe_nv140fhmn49 = {
|
|
.modes = boe_nv140fhmn49_modes,
|
|
.num_modes = ARRAY_SIZE(boe_nv140fhmn49_modes),
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 309,
|
|
.height = 174,
|
|
},
|
|
.delay = {
|
|
/* TODO: should be hpd-absent and no-hpd should be set? */
|
|
.hpd_reliable = 210,
|
|
.enable = 50,
|
|
.unprepare = 160,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode innolux_n116bca_ea1_mode = {
|
|
.clock = 76420,
|
|
.hdisplay = 1366,
|
|
.hsync_start = 1366 + 136,
|
|
.hsync_end = 1366 + 136 + 30,
|
|
.htotal = 1366 + 136 + 30 + 60,
|
|
.vdisplay = 768,
|
|
.vsync_start = 768 + 8,
|
|
.vsync_end = 768 + 8 + 12,
|
|
.vtotal = 768 + 8 + 12 + 12,
|
|
.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
|
|
};
|
|
|
|
static const struct panel_desc innolux_n116bca_ea1 = {
|
|
.modes = &innolux_n116bca_ea1_mode,
|
|
.num_modes = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 256,
|
|
.height = 144,
|
|
},
|
|
.delay = {
|
|
.hpd_absent = 200,
|
|
.prepare_to_enable = 80,
|
|
.unprepare = 500,
|
|
},
|
|
};
|
|
|
|
/*
|
|
* Datasheet specifies that at 60 Hz refresh rate:
|
|
* - total horizontal time: { 1506, 1592, 1716 }
|
|
* - total vertical time: { 788, 800, 868 }
|
|
*
|
|
* ...but doesn't go into exactly how that should be split into a front
|
|
* porch, back porch, or sync length. For now we'll leave a single setting
|
|
* here which allows a bit of tweaking of the pixel clock at the expense of
|
|
* refresh rate.
|
|
*/
|
|
static const struct display_timing innolux_n116bge_timing = {
|
|
.pixelclock = { 72600000, 76420000, 80240000 },
|
|
.hactive = { 1366, 1366, 1366 },
|
|
.hfront_porch = { 136, 136, 136 },
|
|
.hback_porch = { 60, 60, 60 },
|
|
.hsync_len = { 30, 30, 30 },
|
|
.vactive = { 768, 768, 768 },
|
|
.vfront_porch = { 8, 8, 8 },
|
|
.vback_porch = { 12, 12, 12 },
|
|
.vsync_len = { 12, 12, 12 },
|
|
.flags = DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_HSYNC_LOW,
|
|
};
|
|
|
|
static const struct panel_desc innolux_n116bge = {
|
|
.timings = &innolux_n116bge_timing,
|
|
.num_timings = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 256,
|
|
.height = 144,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode innolux_n125hce_gn1_mode = {
|
|
.clock = 162000,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 40,
|
|
.hsync_end = 1920 + 40 + 40,
|
|
.htotal = 1920 + 40 + 40 + 80,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 4,
|
|
.vsync_end = 1080 + 4 + 4,
|
|
.vtotal = 1080 + 4 + 4 + 24,
|
|
};
|
|
|
|
static const struct panel_desc innolux_n125hce_gn1 = {
|
|
.modes = &innolux_n125hce_gn1_mode,
|
|
.num_modes = 1,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 276,
|
|
.height = 155,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode innolux_p120zdg_bf1_mode = {
|
|
.clock = 206016,
|
|
.hdisplay = 2160,
|
|
.hsync_start = 2160 + 48,
|
|
.hsync_end = 2160 + 48 + 32,
|
|
.htotal = 2160 + 48 + 32 + 80,
|
|
.vdisplay = 1440,
|
|
.vsync_start = 1440 + 3,
|
|
.vsync_end = 1440 + 3 + 10,
|
|
.vtotal = 1440 + 3 + 10 + 27,
|
|
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
|
|
};
|
|
|
|
static const struct panel_desc innolux_p120zdg_bf1 = {
|
|
.modes = &innolux_p120zdg_bf1_mode,
|
|
.num_modes = 1,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 254,
|
|
.height = 169,
|
|
},
|
|
.delay = {
|
|
.hpd_absent = 200,
|
|
.unprepare = 500,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode ivo_m133nwf4_r0_mode = {
|
|
.clock = 138778,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 24,
|
|
.hsync_end = 1920 + 24 + 48,
|
|
.htotal = 1920 + 24 + 48 + 88,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 3,
|
|
.vsync_end = 1080 + 3 + 12,
|
|
.vtotal = 1080 + 3 + 12 + 17,
|
|
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
|
|
};
|
|
|
|
static const struct panel_desc ivo_m133nwf4_r0 = {
|
|
.modes = &ivo_m133nwf4_r0_mode,
|
|
.num_modes = 1,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 294,
|
|
.height = 165,
|
|
},
|
|
.delay = {
|
|
.hpd_absent = 200,
|
|
.unprepare = 500,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode kingdisplay_kd116n21_30nv_a010_mode = {
|
|
.clock = 81000,
|
|
.hdisplay = 1366,
|
|
.hsync_start = 1366 + 40,
|
|
.hsync_end = 1366 + 40 + 32,
|
|
.htotal = 1366 + 40 + 32 + 62,
|
|
.vdisplay = 768,
|
|
.vsync_start = 768 + 5,
|
|
.vsync_end = 768 + 5 + 5,
|
|
.vtotal = 768 + 5 + 5 + 122,
|
|
.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
|
|
};
|
|
|
|
static const struct panel_desc kingdisplay_kd116n21_30nv_a010 = {
|
|
.modes = &kingdisplay_kd116n21_30nv_a010_mode,
|
|
.num_modes = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 256,
|
|
.height = 144,
|
|
},
|
|
.delay = {
|
|
.hpd_absent = 200,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode lg_lp079qx1_sp0v_mode = {
|
|
.clock = 200000,
|
|
.hdisplay = 1536,
|
|
.hsync_start = 1536 + 12,
|
|
.hsync_end = 1536 + 12 + 16,
|
|
.htotal = 1536 + 12 + 16 + 48,
|
|
.vdisplay = 2048,
|
|
.vsync_start = 2048 + 8,
|
|
.vsync_end = 2048 + 8 + 4,
|
|
.vtotal = 2048 + 8 + 4 + 8,
|
|
.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
|
|
};
|
|
|
|
static const struct panel_desc lg_lp079qx1_sp0v = {
|
|
.modes = &lg_lp079qx1_sp0v_mode,
|
|
.num_modes = 1,
|
|
.size = {
|
|
.width = 129,
|
|
.height = 171,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode lg_lp097qx1_spa1_mode = {
|
|
.clock = 205210,
|
|
.hdisplay = 2048,
|
|
.hsync_start = 2048 + 150,
|
|
.hsync_end = 2048 + 150 + 5,
|
|
.htotal = 2048 + 150 + 5 + 5,
|
|
.vdisplay = 1536,
|
|
.vsync_start = 1536 + 3,
|
|
.vsync_end = 1536 + 3 + 1,
|
|
.vtotal = 1536 + 3 + 1 + 9,
|
|
};
|
|
|
|
static const struct panel_desc lg_lp097qx1_spa1 = {
|
|
.modes = &lg_lp097qx1_spa1_mode,
|
|
.num_modes = 1,
|
|
.size = {
|
|
.width = 208,
|
|
.height = 147,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode lg_lp120up1_mode = {
|
|
.clock = 162300,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 40,
|
|
.hsync_end = 1920 + 40 + 40,
|
|
.htotal = 1920 + 40 + 40 + 80,
|
|
.vdisplay = 1280,
|
|
.vsync_start = 1280 + 4,
|
|
.vsync_end = 1280 + 4 + 4,
|
|
.vtotal = 1280 + 4 + 4 + 12,
|
|
};
|
|
|
|
static const struct panel_desc lg_lp120up1 = {
|
|
.modes = &lg_lp120up1_mode,
|
|
.num_modes = 1,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 267,
|
|
.height = 183,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode lg_lp129qe_mode = {
|
|
.clock = 285250,
|
|
.hdisplay = 2560,
|
|
.hsync_start = 2560 + 48,
|
|
.hsync_end = 2560 + 48 + 32,
|
|
.htotal = 2560 + 48 + 32 + 80,
|
|
.vdisplay = 1700,
|
|
.vsync_start = 1700 + 3,
|
|
.vsync_end = 1700 + 3 + 10,
|
|
.vtotal = 1700 + 3 + 10 + 36,
|
|
};
|
|
|
|
static const struct panel_desc lg_lp129qe = {
|
|
.modes = &lg_lp129qe_mode,
|
|
.num_modes = 1,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 272,
|
|
.height = 181,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode neweast_wjfh116008a_modes[] = {
|
|
{
|
|
.clock = 138500,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 48,
|
|
.hsync_end = 1920 + 48 + 32,
|
|
.htotal = 1920 + 48 + 32 + 80,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 3,
|
|
.vsync_end = 1080 + 3 + 5,
|
|
.vtotal = 1080 + 3 + 5 + 23,
|
|
.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
|
|
}, {
|
|
.clock = 110920,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 48,
|
|
.hsync_end = 1920 + 48 + 32,
|
|
.htotal = 1920 + 48 + 32 + 80,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 3,
|
|
.vsync_end = 1080 + 3 + 5,
|
|
.vtotal = 1080 + 3 + 5 + 23,
|
|
.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
|
|
}
|
|
};
|
|
|
|
static const struct panel_desc neweast_wjfh116008a = {
|
|
.modes = neweast_wjfh116008a_modes,
|
|
.num_modes = 2,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 260,
|
|
.height = 150,
|
|
},
|
|
.delay = {
|
|
.hpd_reliable = 110,
|
|
.enable = 20,
|
|
.unprepare = 500,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode samsung_lsn122dl01_c01_mode = {
|
|
.clock = 271560,
|
|
.hdisplay = 2560,
|
|
.hsync_start = 2560 + 48,
|
|
.hsync_end = 2560 + 48 + 32,
|
|
.htotal = 2560 + 48 + 32 + 80,
|
|
.vdisplay = 1600,
|
|
.vsync_start = 1600 + 2,
|
|
.vsync_end = 1600 + 2 + 5,
|
|
.vtotal = 1600 + 2 + 5 + 57,
|
|
};
|
|
|
|
static const struct panel_desc samsung_lsn122dl01_c01 = {
|
|
.modes = &samsung_lsn122dl01_c01_mode,
|
|
.num_modes = 1,
|
|
.size = {
|
|
.width = 263,
|
|
.height = 164,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode samsung_ltn140at29_301_mode = {
|
|
.clock = 76300,
|
|
.hdisplay = 1366,
|
|
.hsync_start = 1366 + 64,
|
|
.hsync_end = 1366 + 64 + 48,
|
|
.htotal = 1366 + 64 + 48 + 128,
|
|
.vdisplay = 768,
|
|
.vsync_start = 768 + 2,
|
|
.vsync_end = 768 + 2 + 5,
|
|
.vtotal = 768 + 2 + 5 + 17,
|
|
};
|
|
|
|
static const struct panel_desc samsung_ltn140at29_301 = {
|
|
.modes = &samsung_ltn140at29_301_mode,
|
|
.num_modes = 1,
|
|
.bpc = 6,
|
|
.size = {
|
|
.width = 320,
|
|
.height = 187,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode sharp_ld_d5116z01b_mode = {
|
|
.clock = 168480,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 48,
|
|
.hsync_end = 1920 + 48 + 32,
|
|
.htotal = 1920 + 48 + 32 + 80,
|
|
.vdisplay = 1280,
|
|
.vsync_start = 1280 + 3,
|
|
.vsync_end = 1280 + 3 + 10,
|
|
.vtotal = 1280 + 3 + 10 + 57,
|
|
.flags = DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC,
|
|
};
|
|
|
|
static const struct panel_desc sharp_ld_d5116z01b = {
|
|
.modes = &sharp_ld_d5116z01b_mode,
|
|
.num_modes = 1,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 260,
|
|
.height = 120,
|
|
},
|
|
};
|
|
|
|
static const struct display_timing sharp_lq123p1jx31_timing = {
|
|
.pixelclock = { 252750000, 252750000, 266604720 },
|
|
.hactive = { 2400, 2400, 2400 },
|
|
.hfront_porch = { 48, 48, 48 },
|
|
.hback_porch = { 80, 80, 84 },
|
|
.hsync_len = { 32, 32, 32 },
|
|
.vactive = { 1600, 1600, 1600 },
|
|
.vfront_porch = { 3, 3, 3 },
|
|
.vback_porch = { 33, 33, 120 },
|
|
.vsync_len = { 10, 10, 10 },
|
|
.flags = DISPLAY_FLAGS_VSYNC_LOW | DISPLAY_FLAGS_HSYNC_LOW,
|
|
};
|
|
|
|
static const struct panel_desc sharp_lq123p1jx31 = {
|
|
.timings = &sharp_lq123p1jx31_timing,
|
|
.num_timings = 1,
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 259,
|
|
.height = 173,
|
|
},
|
|
.delay = {
|
|
.hpd_reliable = 110,
|
|
.enable = 50,
|
|
.unprepare = 550,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode sharp_lq140m1jw46_mode[] = {
|
|
{
|
|
.clock = 346500,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 48,
|
|
.hsync_end = 1920 + 48 + 32,
|
|
.htotal = 1920 + 48 + 32 + 80,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 3,
|
|
.vsync_end = 1080 + 3 + 5,
|
|
.vtotal = 1080 + 3 + 5 + 69,
|
|
.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
|
|
}, {
|
|
.clock = 144370,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 48,
|
|
.hsync_end = 1920 + 48 + 32,
|
|
.htotal = 1920 + 48 + 32 + 80,
|
|
.vdisplay = 1080,
|
|
.vsync_start = 1080 + 3,
|
|
.vsync_end = 1080 + 3 + 5,
|
|
.vtotal = 1080 + 3 + 5 + 69,
|
|
.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
|
|
},
|
|
};
|
|
|
|
static const struct panel_desc sharp_lq140m1jw46 = {
|
|
.modes = sharp_lq140m1jw46_mode,
|
|
.num_modes = ARRAY_SIZE(sharp_lq140m1jw46_mode),
|
|
.bpc = 8,
|
|
.size = {
|
|
.width = 309,
|
|
.height = 174,
|
|
},
|
|
.delay = {
|
|
.hpd_absent = 80,
|
|
.enable = 50,
|
|
.unprepare = 500,
|
|
},
|
|
};
|
|
|
|
static const struct drm_display_mode starry_kr122ea0sra_mode = {
|
|
.clock = 147000,
|
|
.hdisplay = 1920,
|
|
.hsync_start = 1920 + 16,
|
|
.hsync_end = 1920 + 16 + 16,
|
|
.htotal = 1920 + 16 + 16 + 32,
|
|
.vdisplay = 1200,
|
|
.vsync_start = 1200 + 15,
|
|
.vsync_end = 1200 + 15 + 2,
|
|
.vtotal = 1200 + 15 + 2 + 18,
|
|
.flags = DRM_MODE_FLAG_NVSYNC | DRM_MODE_FLAG_NHSYNC,
|
|
};
|
|
|
|
static const struct panel_desc starry_kr122ea0sra = {
|
|
.modes = &starry_kr122ea0sra_mode,
|
|
.num_modes = 1,
|
|
.size = {
|
|
.width = 263,
|
|
.height = 164,
|
|
},
|
|
.delay = {
|
|
/* TODO: should be hpd-absent and no-hpd should be set? */
|
|
.hpd_reliable = 10 + 200,
|
|
.enable = 50,
|
|
.unprepare = 10 + 500,
|
|
},
|
|
};
|
|
|
|
static const struct of_device_id platform_of_match[] = {
|
|
{
|
|
/* Must be first */
|
|
.compatible = "edp-panel",
|
|
}, {
|
|
.compatible = "auo,b101ean01",
|
|
.data = &auo_b101ean01,
|
|
}, {
|
|
.compatible = "auo,b116xa01",
|
|
.data = &auo_b116xak01,
|
|
}, {
|
|
.compatible = "auo,b116xw03",
|
|
.data = &auo_b116xw03,
|
|
}, {
|
|
.compatible = "auo,b133han05",
|
|
.data = &auo_b133han05,
|
|
}, {
|
|
.compatible = "auo,b133htn01",
|
|
.data = &auo_b133htn01,
|
|
}, {
|
|
.compatible = "auo,b133xtn01",
|
|
.data = &auo_b133xtn01,
|
|
}, {
|
|
.compatible = "auo,b140han06",
|
|
.data = &auo_b140han06,
|
|
}, {
|
|
.compatible = "boe,nv101wxmn51",
|
|
.data = &boe_nv101wxmn51,
|
|
}, {
|
|
.compatible = "boe,nv110wtm-n61",
|
|
.data = &boe_nv110wtm_n61,
|
|
}, {
|
|
.compatible = "boe,nv133fhm-n61",
|
|
.data = &boe_nv133fhm_n61,
|
|
}, {
|
|
.compatible = "boe,nv133fhm-n62",
|
|
.data = &boe_nv133fhm_n61,
|
|
}, {
|
|
.compatible = "boe,nv140fhmn49",
|
|
.data = &boe_nv140fhmn49,
|
|
}, {
|
|
.compatible = "innolux,n116bca-ea1",
|
|
.data = &innolux_n116bca_ea1,
|
|
}, {
|
|
.compatible = "innolux,n116bge",
|
|
.data = &innolux_n116bge,
|
|
}, {
|
|
.compatible = "innolux,n125hce-gn1",
|
|
.data = &innolux_n125hce_gn1,
|
|
}, {
|
|
.compatible = "innolux,p120zdg-bf1",
|
|
.data = &innolux_p120zdg_bf1,
|
|
}, {
|
|
.compatible = "ivo,m133nwf4-r0",
|
|
.data = &ivo_m133nwf4_r0,
|
|
}, {
|
|
.compatible = "kingdisplay,kd116n21-30nv-a010",
|
|
.data = &kingdisplay_kd116n21_30nv_a010,
|
|
}, {
|
|
.compatible = "lg,lp079qx1-sp0v",
|
|
.data = &lg_lp079qx1_sp0v,
|
|
}, {
|
|
.compatible = "lg,lp097qx1-spa1",
|
|
.data = &lg_lp097qx1_spa1,
|
|
}, {
|
|
.compatible = "lg,lp120up1",
|
|
.data = &lg_lp120up1,
|
|
}, {
|
|
.compatible = "lg,lp129qe",
|
|
.data = &lg_lp129qe,
|
|
}, {
|
|
.compatible = "neweast,wjfh116008a",
|
|
.data = &neweast_wjfh116008a,
|
|
}, {
|
|
.compatible = "samsung,lsn122dl01-c01",
|
|
.data = &samsung_lsn122dl01_c01,
|
|
}, {
|
|
.compatible = "samsung,ltn140at29-301",
|
|
.data = &samsung_ltn140at29_301,
|
|
}, {
|
|
.compatible = "sharp,ld-d5116z01b",
|
|
.data = &sharp_ld_d5116z01b,
|
|
}, {
|
|
.compatible = "sharp,lq123p1jx31",
|
|
.data = &sharp_lq123p1jx31,
|
|
}, {
|
|
.compatible = "sharp,lq140m1jw46",
|
|
.data = &sharp_lq140m1jw46,
|
|
}, {
|
|
.compatible = "starry,kr122ea0sra",
|
|
.data = &starry_kr122ea0sra,
|
|
}, {
|
|
/* sentinel */
|
|
}
|
|
};
|
|
MODULE_DEVICE_TABLE(of, platform_of_match);
|
|
|
|
static const struct panel_delay delay_200_500_p2e80 = {
|
|
.hpd_absent = 200,
|
|
.unprepare = 500,
|
|
.prepare_to_enable = 80,
|
|
};
|
|
|
|
static const struct panel_delay delay_200_500_p2e100 = {
|
|
.hpd_absent = 200,
|
|
.unprepare = 500,
|
|
.prepare_to_enable = 100,
|
|
};
|
|
|
|
static const struct panel_delay delay_200_500_e50 = {
|
|
.hpd_absent = 200,
|
|
.unprepare = 500,
|
|
.enable = 50,
|
|
};
|
|
|
|
static const struct panel_delay delay_200_500_e80_d50 = {
|
|
.hpd_absent = 200,
|
|
.unprepare = 500,
|
|
.enable = 80,
|
|
.disable = 50,
|
|
};
|
|
|
|
static const struct panel_delay delay_100_500_e200 = {
|
|
.hpd_absent = 100,
|
|
.unprepare = 500,
|
|
.enable = 200,
|
|
};
|
|
|
|
#define EDP_PANEL_ENTRY(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _delay, _name) \
|
|
{ \
|
|
.name = _name, \
|
|
.panel_id = drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, vend_chr_2, \
|
|
product_id), \
|
|
.delay = _delay \
|
|
}
|
|
|
|
/*
|
|
* This table is used to figure out power sequencing delays for panels that
|
|
* are detected by EDID. Entries here may point to entries in the
|
|
* platform_of_match table (if a panel is listed in both places).
|
|
*
|
|
* Sort first by vendor, then by product ID.
|
|
*/
|
|
static const struct edp_panel_entry edp_panels[] = {
|
|
EDP_PANEL_ENTRY('A', 'U', 'O', 0x405c, &auo_b116xak01.delay, "B116XAK01"),
|
|
EDP_PANEL_ENTRY('A', 'U', 'O', 0x615c, &delay_200_500_e50, "B116XAN06.1"),
|
|
EDP_PANEL_ENTRY('A', 'U', 'O', 0x8594, &delay_200_500_e50, "B133UAN01.0"),
|
|
|
|
EDP_PANEL_ENTRY('B', 'O', 'E', 0x0786, &delay_200_500_p2e80, "NV116WHM-T01"),
|
|
EDP_PANEL_ENTRY('B', 'O', 'E', 0x07d1, &boe_nv133fhm_n61.delay, "NV133FHM-N61"),
|
|
EDP_PANEL_ENTRY('B', 'O', 'E', 0x082d, &boe_nv133fhm_n61.delay, "NV133FHM-N62"),
|
|
EDP_PANEL_ENTRY('B', 'O', 'E', 0x098d, &boe_nv110wtm_n61.delay, "NV110WTM-N61"),
|
|
EDP_PANEL_ENTRY('B', 'O', 'E', 0x0a5d, &delay_200_500_e50, "NV116WHM-N45"),
|
|
|
|
EDP_PANEL_ENTRY('C', 'M', 'N', 0x114c, &innolux_n116bca_ea1.delay, "N116BCA-EA1"),
|
|
|
|
EDP_PANEL_ENTRY('K', 'D', 'B', 0x0624, &kingdisplay_kd116n21_30nv_a010.delay, "116N21-30NV-A010"),
|
|
EDP_PANEL_ENTRY('K', 'D', 'B', 0x1120, &delay_200_500_e80_d50, "116N29-30NK-C007"),
|
|
|
|
EDP_PANEL_ENTRY('S', 'H', 'P', 0x1511, &delay_200_500_e50, "LQ140M1JW48"),
|
|
EDP_PANEL_ENTRY('S', 'H', 'P', 0x1523, &sharp_lq140m1jw46.delay, "LQ140M1JW46"),
|
|
EDP_PANEL_ENTRY('S', 'H', 'P', 0x154c, &delay_200_500_p2e100, "LQ116M1JW10"),
|
|
|
|
EDP_PANEL_ENTRY('S', 'T', 'A', 0x0100, &delay_100_500_e200, "2081116HHD028001-51D"),
|
|
|
|
{ /* sentinal */ }
|
|
};
|
|
|
|
static const struct edp_panel_entry *find_edp_panel(u32 panel_id)
|
|
{
|
|
const struct edp_panel_entry *panel;
|
|
|
|
if (!panel_id)
|
|
return NULL;
|
|
|
|
for (panel = edp_panels; panel->panel_id; panel++)
|
|
if (panel->panel_id == panel_id)
|
|
return panel;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static int panel_edp_platform_probe(struct platform_device *pdev)
|
|
{
|
|
const struct of_device_id *id;
|
|
|
|
/* Skip one since "edp-panel" is only supported on DP AUX bus */
|
|
id = of_match_node(platform_of_match + 1, pdev->dev.of_node);
|
|
if (!id)
|
|
return -ENODEV;
|
|
|
|
return panel_edp_probe(&pdev->dev, id->data, NULL);
|
|
}
|
|
|
|
static int panel_edp_platform_remove(struct platform_device *pdev)
|
|
{
|
|
return panel_edp_remove(&pdev->dev);
|
|
}
|
|
|
|
static void panel_edp_platform_shutdown(struct platform_device *pdev)
|
|
{
|
|
panel_edp_shutdown(&pdev->dev);
|
|
}
|
|
|
|
static const struct dev_pm_ops panel_edp_pm_ops = {
|
|
SET_RUNTIME_PM_OPS(panel_edp_suspend, panel_edp_resume, NULL)
|
|
SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
|
|
pm_runtime_force_resume)
|
|
};
|
|
|
|
static struct platform_driver panel_edp_platform_driver = {
|
|
.driver = {
|
|
.name = "panel-edp",
|
|
.of_match_table = platform_of_match,
|
|
.pm = &panel_edp_pm_ops,
|
|
},
|
|
.probe = panel_edp_platform_probe,
|
|
.remove = panel_edp_platform_remove,
|
|
.shutdown = panel_edp_platform_shutdown,
|
|
};
|
|
|
|
static int panel_edp_dp_aux_ep_probe(struct dp_aux_ep_device *aux_ep)
|
|
{
|
|
const struct of_device_id *id;
|
|
|
|
id = of_match_node(platform_of_match, aux_ep->dev.of_node);
|
|
if (!id)
|
|
return -ENODEV;
|
|
|
|
return panel_edp_probe(&aux_ep->dev, id->data, aux_ep->aux);
|
|
}
|
|
|
|
static void panel_edp_dp_aux_ep_remove(struct dp_aux_ep_device *aux_ep)
|
|
{
|
|
panel_edp_remove(&aux_ep->dev);
|
|
}
|
|
|
|
static void panel_edp_dp_aux_ep_shutdown(struct dp_aux_ep_device *aux_ep)
|
|
{
|
|
panel_edp_shutdown(&aux_ep->dev);
|
|
}
|
|
|
|
static struct dp_aux_ep_driver panel_edp_dp_aux_ep_driver = {
|
|
.driver = {
|
|
.name = "panel-simple-dp-aux",
|
|
.of_match_table = platform_of_match, /* Same as platform one! */
|
|
.pm = &panel_edp_pm_ops,
|
|
},
|
|
.probe = panel_edp_dp_aux_ep_probe,
|
|
.remove = panel_edp_dp_aux_ep_remove,
|
|
.shutdown = panel_edp_dp_aux_ep_shutdown,
|
|
};
|
|
|
|
static int __init panel_edp_init(void)
|
|
{
|
|
int err;
|
|
|
|
err = platform_driver_register(&panel_edp_platform_driver);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = dp_aux_dp_driver_register(&panel_edp_dp_aux_ep_driver);
|
|
if (err < 0)
|
|
goto err_did_platform_register;
|
|
|
|
return 0;
|
|
|
|
err_did_platform_register:
|
|
platform_driver_unregister(&panel_edp_platform_driver);
|
|
|
|
return err;
|
|
}
|
|
module_init(panel_edp_init);
|
|
|
|
static void __exit panel_edp_exit(void)
|
|
{
|
|
dp_aux_dp_driver_unregister(&panel_edp_dp_aux_ep_driver);
|
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platform_driver_unregister(&panel_edp_platform_driver);
|
|
}
|
|
module_exit(panel_edp_exit);
|
|
|
|
MODULE_AUTHOR("Thierry Reding <treding@nvidia.com>");
|
|
MODULE_DESCRIPTION("DRM Driver for Simple eDP Panels");
|
|
MODULE_LICENSE("GPL and additional rights");
|