--- /dev/null
+/*
+ * 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.
+ */
+
+#include <linux/delay.h>
+#include <linux/gpio/consumer.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/of_platform.h>
+#include <linux/platform_device.h>
+#include <linux/pm_runtime.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/display_timing.h>
+#include <video/of_display_timing.h>
+#include <video/videomode.h>
+
+#include <drm/drm_crtc.h>
+#include <drm/drm_device.h>
+#include <drm/drm_dp_aux_bus.h>
+#include <drm/drm_dp_helper.h>
+#include <drm/drm_panel.h>
+
+/**
+ * struct panel_desc - Describes a simple panel.
+ */
+struct panel_desc {
+ /**
+ * @modes: Pointer to array of fixed modes appropriate for this panel.
+ *
+ * If only one mode then this can just be the address of the mode.
+ * NOTE: cannot be used with "timings" and also if this is specified
+ * then you cannot override the mode in the device tree.
+ */
+ const struct drm_display_mode *modes;
+
+ /** @num_modes: Number of elements in modes array. */
+ unsigned int num_modes;
+
+ /**
+ * @timings: Pointer to array of display timings
+ *
+ * NOTE: cannot be used with "modes" and also these will be used to
+ * validate a device tree override if one is present.
+ */
+ const struct display_timing *timings;
+
+ /** @num_timings: Number of elements in timings array. */
+ unsigned int num_timings;
+
+ /** @bpc: Bits per color. */
+ unsigned int bpc;
+
+ /** @size: Structure containing the physical size of this panel. */
+ struct {
+ /**
+ * @size.width: Width (in mm) of the active display area.
+ */
+ unsigned int width;
+
+ /**
+ * @size.height: Height (in mm) of the active display area.
+ */
+ unsigned int height;
+ } size;
+
+ /** @delay: Structure containing various delay values for this panel. */
+ struct {
+ /**
+ * @delay.prepare: Time for the panel to become ready.
+ *
+ * The time (in milliseconds) that it takes for the panel to
+ * become ready and start receiving video data
+ */
+ unsigned int prepare;
+
+ /**
+ * @delay.hpd_absent_delay: Time to wait if HPD isn't hooked up.
+ *
+ * Add this to the prepare delay if we know Hot Plug Detect
+ * isn't used.
+ */
+ unsigned int hpd_absent_delay;
+
+ /**
+ * @delay.prepare_to_enable: Time between prepare and enable.
+ *
+ * The minimum time, in milliseconds, that needs to have passed
+ * between when prepare finished and enable may begin. If at
+ * enable time less time has passed since prepare finished,
+ * the driver waits for the remaining time.
+ *
+ * If a fixed enable delay is also specified, we'll start
+ * counting before delaying for the fixed delay.
+ *
+ * If a fixed prepare delay is also specified, we won't start
+ * counting until after the fixed delay. We can't overlap this
+ * fixed delay with the min time because the fixed delay
+ * doesn't happen at the end of the function if a HPD GPIO was
+ * specified.
+ *
+ * In other words:
+ * prepare()
+ * ...
+ * // do fixed prepare delay
+ * // wait for HPD GPIO if applicable
+ * // start counting for prepare_to_enable
+ *
+ * enable()
+ * // do fixed enable delay
+ * // enforce prepare_to_enable min time
+ */
+ unsigned int prepare_to_enable;
+
+ /**
+ * @delay.enable: Time for the panel to display a valid frame.
+ *
+ * The time (in milliseconds) that it takes for the panel to
+ * display the first valid frame after starting to receive
+ * video data.
+ */
+ unsigned int enable;
+
+ /**
+ * @delay.disable: Time for the panel to turn the display off.
+ *
+ * The time (in milliseconds) that it takes for the panel to
+ * turn the display off (no content is visible).
+ */
+ unsigned int disable;
+
+ /**
+ * @delay.unprepare: Time to power down completely.
+ *
+ * The time (in milliseconds) that it takes for the panel
+ * to power itself down completely.
+ *
+ * This time is used to prevent a future "prepare" from
+ * starting until at least this many milliseconds has passed.
+ * If at prepare time less time has passed since unprepare
+ * finished, the driver waits for the remaining time.
+ */
+ unsigned int unprepare;
+ } delay;
+};
+
+struct panel_edp {
+ struct drm_panel base;
+ bool enabled;
+ bool no_hpd;
+
+ bool prepared;
+
+ ktime_t prepared_time;
+ ktime_t unprepared_time;
+
+ const struct panel_desc *desc;
+
+ struct regulator *supply;
+ struct i2c_adapter *ddc;
+ struct drm_dp_aux *aux;
+
+ struct gpio_desc *enable_gpio;
+ struct gpio_desc *hpd_gpio;
+
+ struct edid *edid;
+
+ struct drm_display_mode override_mode;
+
+ enum drm_panel_orientation orientation;
+};
+
+static inline struct panel_edp *to_panel_edp(struct drm_panel *panel)
+{
+ return container_of(panel, struct panel_edp, base);
+}
+
+static unsigned int panel_edp_get_timings_modes(struct panel_edp *panel,
+ struct drm_connector *connector)
+{
+ struct drm_display_mode *mode;
+ unsigned int i, num = 0;
+
+ for (i = 0; i < panel->desc->num_timings; i++) {
+ const struct display_timing *dt = &panel->desc->timings[i];
+ struct videomode vm;
+
+ videomode_from_timing(dt, &vm);
+ mode = drm_mode_create(connector->dev);
+ if (!mode) {
+ dev_err(panel->base.dev, "failed to add mode %ux%u\n",
+ dt->hactive.typ, dt->vactive.typ);
+ continue;
+ }
+
+ drm_display_mode_from_videomode(&vm, mode);
+
+ mode->type |= DRM_MODE_TYPE_DRIVER;
+
+ if (panel->desc->num_timings == 1)
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+
+ drm_mode_probed_add(connector, mode);
+ num++;
+ }
+
+ return num;
+}
+
+static unsigned int panel_edp_get_display_modes(struct panel_edp *panel,
+ struct drm_connector *connector)
+{
+ struct drm_display_mode *mode;
+ unsigned int i, num = 0;
+
+ for (i = 0; i < panel->desc->num_modes; i++) {
+ const struct drm_display_mode *m = &panel->desc->modes[i];
+
+ mode = drm_mode_duplicate(connector->dev, m);
+ if (!mode) {
+ dev_err(panel->base.dev, "failed to add mode %ux%u@%u\n",
+ m->hdisplay, m->vdisplay,
+ drm_mode_vrefresh(m));
+ continue;
+ }
+
+ mode->type |= DRM_MODE_TYPE_DRIVER;
+
+ if (panel->desc->num_modes == 1)
+ mode->type |= DRM_MODE_TYPE_PREFERRED;
+
+ drm_mode_set_name(mode);
+
+ drm_mode_probed_add(connector, mode);
+ num++;
+ }
+
+ return num;
+}
+
+static int panel_edp_get_non_edid_modes(struct panel_edp *panel,
+ struct drm_connector *connector)
+{
+ struct drm_display_mode *mode;
+ bool has_override = panel->override_mode.type;
+ unsigned int num = 0;
+
+ if (!panel->desc)
+ return 0;
+
+ if (has_override) {
+ mode = drm_mode_duplicate(connector->dev,
+ &panel->override_mode);
+ if (mode) {
+ drm_mode_probed_add(connector, mode);
+ num = 1;
+ } else {
+ dev_err(panel->base.dev, "failed to add override mode\n");
+ }
+ }
+
+ /* Only add timings if override was not there or failed to validate */
+ if (num == 0 && panel->desc->num_timings)
+ num = panel_edp_get_timings_modes(panel, connector);
+
+ /*
+ * Only add fixed modes if timings/override added no mode.
+ *
+ * We should only ever have either the display timings specified
+ * or a fixed mode. Anything else is rather bogus.
+ */
+ WARN_ON(panel->desc->num_timings && panel->desc->num_modes);
+ if (num == 0)
+ num = panel_edp_get_display_modes(panel, connector);
+
+ connector->display_info.bpc = panel->desc->bpc;
+ connector->display_info.width_mm = panel->desc->size.width;
+ connector->display_info.height_mm = panel->desc->size.height;
+
+ return num;
+}
+
+static void panel_edp_wait(ktime_t start_ktime, unsigned int min_ms)
+{
+ ktime_t now_ktime, min_ktime;
+
+ if (!min_ms)
+ return;
+
+ min_ktime = ktime_add(start_ktime, ms_to_ktime(min_ms));
+ now_ktime = ktime_get();
+
+ if (ktime_before(now_ktime, min_ktime))
+ msleep(ktime_to_ms(ktime_sub(min_ktime, now_ktime)) + 1);
+}
+
+static int panel_edp_disable(struct drm_panel *panel)
+{
+ struct panel_edp *p = to_panel_edp(panel);
+
+ if (!p->enabled)
+ return 0;
+
+ if (p->desc->delay.disable)
+ msleep(p->desc->delay.disable);
+
+ p->enabled = false;
+
+ return 0;
+}
+
+static int panel_edp_suspend(struct device *dev)
+{
+ struct panel_edp *p = dev_get_drvdata(dev);
+
+ gpiod_set_value_cansleep(p->enable_gpio, 0);
+ regulator_disable(p->supply);
+ p->unprepared_time = ktime_get();
+
+ kfree(p->edid);
+ p->edid = NULL;
+
+ return 0;
+}
+
+static int panel_edp_unprepare(struct drm_panel *panel)
+{
+ struct panel_edp *p = to_panel_edp(panel);
+ int ret;
+
+ /* Unpreparing when already unprepared is a no-op */
+ if (!p->prepared)
+ return 0;
+
+ pm_runtime_mark_last_busy(panel->dev);
+ ret = pm_runtime_put_autosuspend(panel->dev);
+ if (ret < 0)
+ return ret;
+ p->prepared = false;
+
+ return 0;
+}
+
+static int panel_edp_get_hpd_gpio(struct device *dev, struct panel_edp *p)
+{
+ int err;
+
+ p->hpd_gpio = devm_gpiod_get_optional(dev, "hpd", GPIOD_IN);
+ if (IS_ERR(p->hpd_gpio)) {
+ err = PTR_ERR(p->hpd_gpio);
+
+ if (err != -EPROBE_DEFER)
+ dev_err(dev, "failed to get 'hpd' GPIO: %d\n", err);
+
+ return err;
+ }
+
+ return 0;
+}
+
+static int panel_edp_prepare_once(struct panel_edp *p)
+{
+ struct device *dev = p->base.dev;
+ unsigned int delay;
+ int err;
+ int hpd_asserted;
+ unsigned long hpd_wait_us;
+
+ panel_edp_wait(p->unprepared_time, p->desc->delay.unprepare);
+
+ err = regulator_enable(p->supply);
+ if (err < 0) {
+ dev_err(dev, "failed to enable supply: %d\n", err);
+ return err;
+ }
+
+ gpiod_set_value_cansleep(p->enable_gpio, 1);
+
+ delay = p->desc->delay.prepare;
+ if (p->no_hpd)
+ delay += p->desc->delay.hpd_absent_delay;
+ if (delay)
+ msleep(delay);
+
+ if (p->hpd_gpio) {
+ if (p->desc->delay.hpd_absent_delay)
+ hpd_wait_us = p->desc->delay.hpd_absent_delay * 1000UL;
+ else
+ hpd_wait_us = 2000000;
+
+ err = readx_poll_timeout(gpiod_get_value_cansleep, p->hpd_gpio,
+ hpd_asserted, hpd_asserted,
+ 1000, hpd_wait_us);
+ if (hpd_asserted < 0)
+ err = hpd_asserted;
+
+ if (err) {
+ if (err != -ETIMEDOUT)
+ dev_err(dev,
+ "error waiting for hpd GPIO: %d\n", err);
+ goto error;
+ }
+ }
+
+ p->prepared_time = ktime_get();
+
+ return 0;
+
+error:
+ gpiod_set_value_cansleep(p->enable_gpio, 0);
+ regulator_disable(p->supply);
+ p->unprepared_time = ktime_get();
+
+ return err;
+}
+
+/*
+ * Some panels simply don't always come up and need to be power cycled to
+ * work properly. We'll allow for a handful of retries.
+ */
+#define MAX_PANEL_PREPARE_TRIES 5
+
+static int panel_edp_resume(struct device *dev)
+{
+ struct panel_edp *p = dev_get_drvdata(dev);
+ int ret;
+ int try;
+
+ for (try = 0; try < MAX_PANEL_PREPARE_TRIES; try++) {
+ ret = panel_edp_prepare_once(p);
+ if (ret != -ETIMEDOUT)
+ break;
+ }
+
+ if (ret == -ETIMEDOUT)
+ dev_err(dev, "Prepare timeout after %d tries\n", try);
+ else if (try)
+ dev_warn(dev, "Prepare needed %d retries\n", try);
+
+ return ret;
+}
+
+static int panel_edp_prepare(struct drm_panel *panel)
+{
+ struct panel_edp *p = to_panel_edp(panel);
+ int ret;
+
+ /* Preparing when already prepared is a no-op */
+ if (p->prepared)
+ return 0;
+
+ ret = pm_runtime_get_sync(panel->dev);
+ if (ret < 0) {
+ pm_runtime_put_autosuspend(panel->dev);
+ return ret;
+ }
+
+ p->prepared = true;
+
+ return 0;
+}
+
+static int panel_edp_enable(struct drm_panel *panel)
+{
+ struct panel_edp *p = to_panel_edp(panel);
+
+ if (p->enabled)
+ return 0;
+
+ if (p->desc->delay.enable)
+ msleep(p->desc->delay.enable);
+
+ 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 */
+ num += panel_edp_get_non_edid_modes(p, connector);
+
+ /* set up connector's "panel orientation" property */
+ 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 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_timings = panel_edp_get_timings,
+};
+
+#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 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);
+
+ /* Catch common mistakes for panels. */
+ 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);
+
+ dev_set_drvdata(dev, panel);
+
+ /*
+ * 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);
+
+ drm_panel_init(&panel->base, dev, &panel_edp_funcs, DRM_MODE_CONNECTOR_eDP);
+
+ err = drm_panel_of_backlight(&panel->base);
+ if (err)
+ goto disable_pm_runtime;
+
+ 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 disable_pm_runtime;
+ }
+
+ drm_panel_add(&panel->base);
+
+ return 0;
+
+disable_pm_runtime:
+ 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);
+
+ 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);
+
+ 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 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_delay = 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 = {
+ .prepare = 100,
+ .enable = 20,
+ .unprepare = 50,
+ },
+};
+
+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 = {
+ .prepare = 100,
+ .enable = 20,
+ .unprepare = 50,
+ },
+};
+
+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_delay = 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 and take it away
+ * from the hpd_absent_delay (which would otherwise be 200 ms)
+ * to handle this. 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.
+ */
+ .prepare = 15,
+ .hpd_absent_delay = 185,
+
+ .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 = {
+ .prepare = 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_delay = 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 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_delay = 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_delay = 200,
+ },
+};
+
+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 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 = {
+ .prepare = 110,
+ .enable = 20,
+ .unprepare = 500,
+ },
+};
+
+static const struct of_device_id platform_of_match[] = {
+ {
+ .compatible = "auo,b116xa01",
+ .data = &auo_b116xak01,
+ }, {
+ .compatible = "auo,b116xw03",
+ .data = &auo_b116xw03,
+ }, {
+ .compatible = "auo,b133han05",
+ .data = &auo_b133han05,
+ }, {
+ .compatible = "auo,b140han06",
+ .data = &auo_b140han06,
+ }, {
+ .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 = "ivo,m133nwf4-r0",
+ .data = &ivo_m133nwf4_r0,
+ }, {
+ .compatible = "kingdisplay,kd116n21-30nv-a010",
+ .data = &kingdisplay_kd116n21_30nv_a010,
+ }, {
+ .compatible = "lg,lp120up1",
+ .data = &lg_lp120up1,
+ }, {
+ .compatible = "neweast,wjfh116008a",
+ .data = &neweast_wjfh116008a,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(of, platform_of_match);
+
+static int panel_edp_platform_probe(struct platform_device *pdev)
+{
+ const struct of_device_id *id;
+
+ id = of_match_node(platform_of_match, 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);
+ 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");
#include <drm/drm_crtc.h>
#include <drm/drm_device.h>
-#include <drm/drm_dp_aux_bus.h>
-#include <drm/drm_dp_helper.h>
#include <drm/drm_mipi_dsi.h>
#include <drm/drm_panel.h>
struct regulator *supply;
struct i2c_adapter *ddc;
- struct drm_dp_aux *aux;
struct gpio_desc *enable_gpio;
struct gpio_desc *hpd_gpio;
dev_err(dev, "Reject override mode: No display_timing found\n");
}
-static int panel_simple_probe(struct device *dev, const struct panel_desc *desc,
- struct drm_dp_aux *aux)
+static int panel_simple_probe(struct device *dev, const struct panel_desc *desc)
{
struct panel_simple *panel;
struct display_timing dt;
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) {
if (!panel->ddc)
return -EPROBE_DEFER;
- } else if (aux) {
- panel->ddc = &aux->ddc;
}
if (desc == &panel_dpi) {
desc->bpc != 8);
break;
case DRM_MODE_CONNECTOR_eDP:
- 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);
- break;
+ dev_warn(dev, "eDP panels moved to panel-edp\n");
+ err = -EINVAL;
+ goto free_ddc;
case DRM_MODE_CONNECTOR_DSI:
if (desc->bpc != 6 && desc->bpc != 8)
dev_warn(dev, "Expected bpc in {6,8} but got: %u\n", desc->bpc);
if (err)
goto disable_pm_runtime;
- 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 disable_pm_runtime;
- }
-
drm_panel_add(&panel->base);
return 0;
pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
free_ddc:
- if (panel->ddc && (!panel->aux || panel->ddc != &panel->aux->ddc))
+ if (panel->ddc)
put_device(&panel->ddc->dev);
return err;
pm_runtime_dont_use_autosuspend(dev);
pm_runtime_disable(dev);
- if (panel->ddc && (!panel->aux || panel->ddc != &panel->aux->ddc))
+ if (panel->ddc)
put_device(&panel->ddc->dev);
return 0;
},
};
-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_delay = 200,
- },
- .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
-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,
- },
- .bus_flags = DRM_BUS_FLAG_SYNC_DRIVE_NEGEDGE,
- .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
static const struct drm_display_mode auo_b133xtn01_mode = {
.clock = 69500,
.hdisplay = 1366,
},
};
-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 = {
- .prepare = 100,
- .enable = 20,
- .unprepare = 50,
- },
- .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
- .bus_flags = DRM_BUS_FLAG_DATA_MSB_TO_LSB,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
static const struct drm_display_mode auo_b133htn01_mode = {
.clock = 150660,
.hdisplay = 1920,
},
};
-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 = {
- .prepare = 100,
- .enable = 20,
- .unprepare = 50,
- },
- .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
- .bus_flags = DRM_BUS_FLAG_DATA_MSB_TO_LSB,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
static const struct display_timing auo_g070vvn01_timings = {
.pixelclock = { 33300000, 34209000, 45000000 },
.hactive = { 800, 800, 800 },
},
};
-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_delay = 200,
- .prepare_to_enable = 80,
- .enable = 50,
- .unprepare = 500,
- },
- .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
- .bus_flags = DRM_BUS_FLAG_DATA_MSB_TO_LSB,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
-/* 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 and take it away
- * from the hpd_absent_delay (which would otherwise be 200 ms)
- * to handle this. 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.
- */
- .prepare = 15,
- .hpd_absent_delay = 185,
-
- .unprepare = 500,
- },
- .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
- .bus_flags = DRM_BUS_FLAG_DATA_MSB_TO_LSB,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
-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 = {
- .prepare = 210,
- .enable = 50,
- .unprepare = 160,
- },
- .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
static const struct drm_display_mode cdtech_s043wq26h_ct7_mode = {
.clock = 9000,
.hdisplay = 480,
},
};
-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_delay = 200,
- .prepare_to_enable = 80,
- .unprepare = 500,
- },
- .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
-/*
- * 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,
- },
- .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
-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,
- },
- .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
- .bus_flags = DRM_BUS_FLAG_DATA_MSB_TO_LSB,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
static const struct drm_display_mode innolux_n156bge_l21_mode = {
.clock = 69300,
.hdisplay = 1366,
},
};
-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_delay = 200,
- .unprepare = 500,
- },
- .bus_format = MEDIA_BUS_FMT_RGB888_1X24,
- .bus_flags = DRM_BUS_FLAG_DATA_MSB_TO_LSB,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
-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_delay = 200,
- },
- .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
static const struct display_timing koe_tx14d24vm1bpa_timing = {
.pixelclock = { 5580000, 5850000, 6200000 },
.hactive = { 320, 320, 320 },
},
};
-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,
- },
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
static const struct drm_display_mode lg_lp129qe_mode = {
.clock = 285250,
.hdisplay = 2560,
.bus_format = MEDIA_BUS_FMT_RGB666_1X18,
};
-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 = {
- .prepare = 110,
- .enable = 20,
- .unprepare = 500,
- },
- .bus_format = MEDIA_BUS_FMT_RGB666_1X18,
- .connector_type = DRM_MODE_CONNECTOR_eDP,
-};
-
static const struct drm_display_mode newhaven_nhd_43_480272ef_atxl_mode = {
.clock = 9000,
.hdisplay = 480,
}, {
.compatible = "auo,b101xtn01",
.data = &auo_b101xtn01,
- }, {
- .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,b140han06",
- .data = &auo_b140han06,
}, {
.compatible = "auo,b133xtn01",
.data = &auo_b133xtn01,
}, {
.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 = "cdtech,s043wq26h-ct7",
.data = &cdtech_s043wq26h_ct7,
}, {
.compatible = "innolux,g121x1-l03",
.data = &innolux_g121x1_l03,
- }, {
- .compatible = "innolux,n116bca-ea1",
- .data = &innolux_n116bca_ea1,
- }, {
- .compatible = "innolux,n116bge",
- .data = &innolux_n116bge,
- }, {
- .compatible = "innolux,n125hce-gn1",
- .data = &innolux_n125hce_gn1,
}, {
.compatible = "innolux,n156bge-l21",
.data = &innolux_n156bge_l21,
}, {
.compatible = "innolux,zj070na-01p",
.data = &innolux_zj070na_01p,
- }, {
- .compatible = "ivo,m133nwf4-r0",
- .data = &ivo_m133nwf4_r0,
- }, {
- .compatible = "kingdisplay,kd116n21-30nv-a010",
- .data = &kingdisplay_kd116n21_30nv_a010,
}, {
.compatible = "koe,tx14d24vm1bpa",
.data = &koe_tx14d24vm1bpa,
}, {
.compatible = "lg,lp097qx1-spa1",
.data = &lg_lp097qx1_spa1,
- }, {
- .compatible = "lg,lp120up1",
- .data = &lg_lp120up1,
}, {
.compatible = "lg,lp129qe",
.data = &lg_lp129qe,
}, {
.compatible = "netron-dy,e231732",
.data = &netron_dy_e231732,
- }, {
- .compatible = "neweast,wjfh116008a",
- .data = &neweast_wjfh116008a,
}, {
.compatible = "newhaven,nhd-4.3-480272ef-atxl",
.data = &newhaven_nhd_43_480272ef_atxl,
if (!id)
return -ENODEV;
- return panel_simple_probe(&pdev->dev, id->data, NULL);
+ return panel_simple_probe(&pdev->dev, id->data);
}
static int panel_simple_platform_remove(struct platform_device *pdev)
desc = id->data;
- err = panel_simple_probe(&dsi->dev, &desc->desc, NULL);
+ err = panel_simple_probe(&dsi->dev, &desc->desc);
if (err < 0)
return err;
.shutdown = panel_simple_dsi_shutdown,
};
-static int panel_simple_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_simple_probe(&aux_ep->dev, id->data, aux_ep->aux);
-}
-
-static void panel_simple_dp_aux_ep_remove(struct dp_aux_ep_device *aux_ep)
-{
- panel_simple_remove(&aux_ep->dev);
-}
-
-static void panel_simple_dp_aux_ep_shutdown(struct dp_aux_ep_device *aux_ep)
-{
- panel_simple_shutdown(&aux_ep->dev);
-}
-
-static struct dp_aux_ep_driver panel_simple_dp_aux_ep_driver = {
- .driver = {
- .name = "panel-simple-dp-aux",
- .of_match_table = platform_of_match, /* Same as platform one! */
- .pm = &panel_simple_pm_ops,
- },
- .probe = panel_simple_dp_aux_ep_probe,
- .remove = panel_simple_dp_aux_ep_remove,
- .shutdown = panel_simple_dp_aux_ep_shutdown,
-};
-
static int __init panel_simple_init(void)
{
int err;
if (err < 0)
return err;
- err = dp_aux_dp_driver_register(&panel_simple_dp_aux_ep_driver);
- if (err < 0)
- goto err_did_platform_register;
-
if (IS_ENABLED(CONFIG_DRM_MIPI_DSI)) {
err = mipi_dsi_driver_register(&panel_simple_dsi_driver);
if (err < 0)
- goto err_did_aux_ep_register;
+ goto err_did_platform_register;
}
return 0;
-err_did_aux_ep_register:
- dp_aux_dp_driver_unregister(&panel_simple_dp_aux_ep_driver);
-
err_did_platform_register:
platform_driver_unregister(&panel_simple_platform_driver);
if (IS_ENABLED(CONFIG_DRM_MIPI_DSI))
mipi_dsi_driver_unregister(&panel_simple_dsi_driver);
- dp_aux_dp_driver_unregister(&panel_simple_dp_aux_ep_driver);
platform_driver_unregister(&panel_simple_platform_driver);
}
module_exit(panel_simple_exit);
projects / kernel.git / commitdiff