Commit b97b042a authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Thierry Reding
Browse files

drm/panel: Add OSD101T2587-53TS driver 



The panel is similar to OSD101T2045-53TS (which is handled by panel-simple)
with one big difference: osd101t2587-53ts needs MIPI_DSI_TURN_ON_PERIPHERAL
message to be sent from the host to be operational and thus can not be
handled by panel-simple.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: default avatarSam Ravnborg <sam@ravnborg.org>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190226075523.28997-5-peter.ujfalusi@ti.com
parent 2de67cf7

drivers/gpu/drm/panel/Kconfig

+9 −0
Original line number Diff line number Diff line
@@ -131,6 +131,15 @@ config DRM_PANEL_ORISETECH_OTM8009A 
	  Say Y here if you want to enable support for Orise Technology

	  otm8009a 480x800 dsi 2dl panel.



config DRM_PANEL_OSD_OSD101T2587_53TS

	tristate "OSD OSD101T2587-53TS DSI 1920x1200 video mode panel"

	depends on OF

	depends on DRM_MIPI_DSI

	depends on BACKLIGHT_CLASS_DEVICE

	help

	  Say Y here if you want to enable support for One Stop Displays

	  OSD101T2587-53TS 10.1" 1920x1200 dsi panel.



config DRM_PANEL_PANASONIC_VVX10F034N00

	tristate "Panasonic VVX10F034N00 1920x1200 video mode panel"

	depends on OF

drivers/gpu/drm/panel/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o 
obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o

obj-$(CONFIG_DRM_PANEL_OLIMEX_LCD_OLINUXINO) += panel-olimex-lcd-olinuxino.o

obj-$(CONFIG_DRM_PANEL_ORISETECH_OTM8009A) += panel-orisetech-otm8009a.o

obj-$(CONFIG_DRM_PANEL_OSD_OSD101T2587_53TS) += panel-osd-osd101t2587-53ts.o

obj-$(CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00) += panel-panasonic-vvx10f034n00.o

obj-$(CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN) += panel-raspberrypi-touchscreen.o

obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM68200) += panel-raydium-rm68200.o

drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c

0 → 100644
+254 −0
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0

/*

 *  Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com

 *  Author: Peter Ujfalusi <peter.ujfalusi@ti.com>

 */



#include <linux/backlight.h>

#include <linux/module.h>

#include <linux/of.h>

#include <linux/regulator/consumer.h>



#include <drm/drm_crtc.h>

#include <drm/drm_device.h>

#include <drm/drm_mipi_dsi.h>

#include <drm/drm_panel.h>



#include <video/mipi_display.h>



struct osd101t2587_panel {

	struct drm_panel base;

	struct mipi_dsi_device *dsi;



	struct backlight_device *backlight;

	struct regulator *supply;



	bool prepared;

	bool enabled;



	const struct drm_display_mode *default_mode;

};



static inline struct osd101t2587_panel *ti_osd_panel(struct drm_panel *panel)

{

	return container_of(panel, struct osd101t2587_panel, base);

}



static int osd101t2587_panel_disable(struct drm_panel *panel)

{

	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);

	int ret;



	if (!osd101t2587->enabled)

		return 0;



	backlight_disable(osd101t2587->backlight);



	ret = mipi_dsi_shutdown_peripheral(osd101t2587->dsi);



	osd101t2587->enabled = false;



	return ret;

}



static int osd101t2587_panel_unprepare(struct drm_panel *panel)

{

	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);



	if (!osd101t2587->prepared)

		return 0;



	regulator_disable(osd101t2587->supply);

	osd101t2587->prepared = false;



	return 0;

}



static int osd101t2587_panel_prepare(struct drm_panel *panel)

{

	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);

	int ret;



	if (osd101t2587->prepared)

		return 0;



	ret = regulator_enable(osd101t2587->supply);

	if (!ret)

		osd101t2587->prepared = true;



	return ret;

}



static int osd101t2587_panel_enable(struct drm_panel *panel)

{

	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);

	int ret;



	if (osd101t2587->enabled)

		return 0;



	ret = mipi_dsi_turn_on_peripheral(osd101t2587->dsi);

	if (ret)

		return ret;



	backlight_enable(osd101t2587->backlight);



	osd101t2587->enabled = true;



	return ret;

}



static const struct drm_display_mode default_mode_osd101t2587 = {

	.clock = 164400,

	.hdisplay = 1920,

	.hsync_start = 1920 + 152,

	.hsync_end = 1920 + 152 + 52,

	.htotal = 1920 + 152 + 52 + 20,

	.vdisplay = 1200,

	.vsync_start = 1200 + 24,

	.vsync_end = 1200 + 24 + 6,

	.vtotal = 1200 + 24 + 6 + 48,

	.vrefresh = 60,

	.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,

};



static int osd101t2587_panel_get_modes(struct drm_panel *panel)

{

	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);

	struct drm_display_mode *mode;



	mode = drm_mode_duplicate(panel->drm, osd101t2587->default_mode);

	if (!mode) {

		dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",

			osd101t2587->default_mode->hdisplay,

			osd101t2587->default_mode->vdisplay,

			osd101t2587->default_mode->vrefresh);

		return -ENOMEM;

	}



	drm_mode_set_name(mode);



	drm_mode_probed_add(panel->connector, mode);



	panel->connector->display_info.width_mm = 217;

	panel->connector->display_info.height_mm = 136;



	return 1;

}



static const struct drm_panel_funcs osd101t2587_panel_funcs = {

	.disable = osd101t2587_panel_disable,

	.unprepare = osd101t2587_panel_unprepare,

	.prepare = osd101t2587_panel_prepare,

	.enable = osd101t2587_panel_enable,

	.get_modes = osd101t2587_panel_get_modes,

};



static const struct of_device_id osd101t2587_of_match[] = {

	{

		.compatible = "osddisplays,osd101t2587-53ts",

		.data = &default_mode_osd101t2587,

	}, {

		/* sentinel */

	}

};

MODULE_DEVICE_TABLE(of, osd101t2587_of_match);



static int osd101t2587_panel_add(struct osd101t2587_panel *osd101t2587)

{

	struct device *dev = &osd101t2587->dsi->dev;



	osd101t2587->supply = devm_regulator_get(dev, "power");

	if (IS_ERR(osd101t2587->supply))

		return PTR_ERR(osd101t2587->supply);



	osd101t2587->backlight = devm_of_find_backlight(dev);

	if (IS_ERR(osd101t2587->backlight))

		return PTR_ERR(osd101t2587->backlight);



	drm_panel_init(&osd101t2587->base);

	osd101t2587->base.funcs = &osd101t2587_panel_funcs;

	osd101t2587->base.dev = &osd101t2587->dsi->dev;



	return drm_panel_add(&osd101t2587->base);

}



static int osd101t2587_panel_probe(struct mipi_dsi_device *dsi)

{

	struct osd101t2587_panel *osd101t2587;

	const struct of_device_id *id;

	int ret;



	id = of_match_node(osd101t2587_of_match, dsi->dev.of_node);

	if (!id)

		return -ENODEV;



	dsi->lanes = 4;

	dsi->format = MIPI_DSI_FMT_RGB888;

	dsi->mode_flags = MIPI_DSI_MODE_VIDEO |

			  MIPI_DSI_MODE_VIDEO_BURST |

			  MIPI_DSI_MODE_VIDEO_SYNC_PULSE |

			  MIPI_DSI_MODE_EOT_PACKET;



	osd101t2587 = devm_kzalloc(&dsi->dev, sizeof(*osd101t2587), GFP_KERNEL);

	if (!osd101t2587)

		return -ENOMEM;



	mipi_dsi_set_drvdata(dsi, osd101t2587);



	osd101t2587->dsi = dsi;

	osd101t2587->default_mode = id->data;



	ret = osd101t2587_panel_add(osd101t2587);

	if (ret < 0)

		return ret;



	ret = mipi_dsi_attach(dsi);

	if (ret)

		drm_panel_remove(&osd101t2587->base);



	return ret;

}



static int osd101t2587_panel_remove(struct mipi_dsi_device *dsi)

{

	struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);

	int ret;



	ret = osd101t2587_panel_disable(&osd101t2587->base);

	if (ret < 0)

		dev_warn(&dsi->dev, "failed to disable panel: %d\n", ret);



	osd101t2587_panel_unprepare(&osd101t2587->base);



	drm_panel_remove(&osd101t2587->base);



	ret = mipi_dsi_detach(dsi);

	if (ret < 0)

		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);



	return ret;

}



static void osd101t2587_panel_shutdown(struct mipi_dsi_device *dsi)

{

	struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);



	osd101t2587_panel_disable(&osd101t2587->base);

	osd101t2587_panel_unprepare(&osd101t2587->base);

}



static struct mipi_dsi_driver osd101t2587_panel_driver = {

	.driver = {

		.name = "panel-osd-osd101t2587-53ts",

		.of_match_table = osd101t2587_of_match,

	},

	.probe = osd101t2587_panel_probe,

	.remove = osd101t2587_panel_remove,

	.shutdown = osd101t2587_panel_shutdown,

};

module_mipi_dsi_driver(osd101t2587_panel_driver);



MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");

MODULE_DESCRIPTION("OSD101T2587-53TS DSI panel");

MODULE_LICENSE("GPL v2");

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