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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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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: Peter Ujfalusi <peter.ujfalusi@ti.com> Reviewed-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Thierry Reding <treding@nvidia.com> Link: https://patchwork.freedesktop.org/patch/msgid/20190226075523.28997-5-peter.ujfalusi@ti.com
This commit is contained in:
Peter Ujfalusi
Thierry Reding
parent
2de67cf78e
commit
b97b042a50
@ -131,6 +131,15 @@ config DRM_PANEL_ORISETECH_OTM8009A
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Say Y here if you want to enable support for Orise Technology
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otm8009a 480x800 dsi 2dl panel.
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config DRM_PANEL_OSD_OSD101T2587_53TS
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tristate "OSD OSD101T2587-53TS DSI 1920x1200 video mode panel"
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depends on OF
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depends on DRM_MIPI_DSI
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depends on BACKLIGHT_CLASS_DEVICE
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help
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Say Y here if you want to enable support for One Stop Displays
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OSD101T2587-53TS 10.1" 1920x1200 dsi panel.
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config DRM_PANEL_PANASONIC_VVX10F034N00
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tristate "Panasonic VVX10F034N00 1920x1200 video mode panel"
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depends on OF
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@ -11,6 +11,7 @@ obj-$(CONFIG_DRM_PANEL_KINGDISPLAY_KD097D04) += panel-kingdisplay-kd097d04.o
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obj-$(CONFIG_DRM_PANEL_LG_LG4573) += panel-lg-lg4573.o
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obj-$(CONFIG_DRM_PANEL_OLIMEX_LCD_OLINUXINO) += panel-olimex-lcd-olinuxino.o
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obj-$(CONFIG_DRM_PANEL_ORISETECH_OTM8009A) += panel-orisetech-otm8009a.o
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obj-$(CONFIG_DRM_PANEL_OSD_OSD101T2587_53TS) += panel-osd-osd101t2587-53ts.o
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obj-$(CONFIG_DRM_PANEL_PANASONIC_VVX10F034N00) += panel-panasonic-vvx10f034n00.o
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obj-$(CONFIG_DRM_PANEL_RASPBERRYPI_TOUCHSCREEN) += panel-raspberrypi-touchscreen.o
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obj-$(CONFIG_DRM_PANEL_RAYDIUM_RM68200) += panel-raydium-rm68200.o
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254
drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c
Normal file
254
drivers/gpu/drm/panel/panel-osd-osd101t2587-53ts.c
Normal file
@ -0,0 +1,254 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
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* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
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*/
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#include <linux/backlight.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/regulator/consumer.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_mipi_dsi.h>
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#include <drm/drm_panel.h>
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#include <video/mipi_display.h>
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struct osd101t2587_panel {
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struct drm_panel base;
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struct mipi_dsi_device *dsi;
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struct backlight_device *backlight;
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struct regulator *supply;
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bool prepared;
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bool enabled;
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const struct drm_display_mode *default_mode;
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};
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static inline struct osd101t2587_panel *ti_osd_panel(struct drm_panel *panel)
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{
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return container_of(panel, struct osd101t2587_panel, base);
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}
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static int osd101t2587_panel_disable(struct drm_panel *panel)
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{
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struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);
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int ret;
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if (!osd101t2587->enabled)
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return 0;
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backlight_disable(osd101t2587->backlight);
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ret = mipi_dsi_shutdown_peripheral(osd101t2587->dsi);
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osd101t2587->enabled = false;
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return ret;
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}
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static int osd101t2587_panel_unprepare(struct drm_panel *panel)
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{
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struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);
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if (!osd101t2587->prepared)
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return 0;
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regulator_disable(osd101t2587->supply);
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osd101t2587->prepared = false;
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return 0;
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}
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static int osd101t2587_panel_prepare(struct drm_panel *panel)
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{
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struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);
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int ret;
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if (osd101t2587->prepared)
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return 0;
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ret = regulator_enable(osd101t2587->supply);
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if (!ret)
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osd101t2587->prepared = true;
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return ret;
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}
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static int osd101t2587_panel_enable(struct drm_panel *panel)
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{
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struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);
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int ret;
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if (osd101t2587->enabled)
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return 0;
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ret = mipi_dsi_turn_on_peripheral(osd101t2587->dsi);
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if (ret)
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return ret;
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backlight_enable(osd101t2587->backlight);
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osd101t2587->enabled = true;
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return ret;
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}
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static const struct drm_display_mode default_mode_osd101t2587 = {
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.clock = 164400,
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.hdisplay = 1920,
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.hsync_start = 1920 + 152,
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.hsync_end = 1920 + 152 + 52,
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.htotal = 1920 + 152 + 52 + 20,
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.vdisplay = 1200,
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.vsync_start = 1200 + 24,
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.vsync_end = 1200 + 24 + 6,
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.vtotal = 1200 + 24 + 6 + 48,
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.vrefresh = 60,
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.flags = DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC,
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};
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static int osd101t2587_panel_get_modes(struct drm_panel *panel)
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{
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struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);
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struct drm_display_mode *mode;
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mode = drm_mode_duplicate(panel->drm, osd101t2587->default_mode);
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if (!mode) {
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dev_err(panel->drm->dev, "failed to add mode %ux%ux@%u\n",
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osd101t2587->default_mode->hdisplay,
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osd101t2587->default_mode->vdisplay,
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osd101t2587->default_mode->vrefresh);
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return -ENOMEM;
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}
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drm_mode_set_name(mode);
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drm_mode_probed_add(panel->connector, mode);
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panel->connector->display_info.width_mm = 217;
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panel->connector->display_info.height_mm = 136;
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return 1;
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}
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static const struct drm_panel_funcs osd101t2587_panel_funcs = {
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.disable = osd101t2587_panel_disable,
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.unprepare = osd101t2587_panel_unprepare,
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.prepare = osd101t2587_panel_prepare,
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.enable = osd101t2587_panel_enable,
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.get_modes = osd101t2587_panel_get_modes,
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};
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static const struct of_device_id osd101t2587_of_match[] = {
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{
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.compatible = "osddisplays,osd101t2587-53ts",
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.data = &default_mode_osd101t2587,
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}, {
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/* sentinel */
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}
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};
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MODULE_DEVICE_TABLE(of, osd101t2587_of_match);
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static int osd101t2587_panel_add(struct osd101t2587_panel *osd101t2587)
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{
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struct device *dev = &osd101t2587->dsi->dev;
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osd101t2587->supply = devm_regulator_get(dev, "power");
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if (IS_ERR(osd101t2587->supply))
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return PTR_ERR(osd101t2587->supply);
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osd101t2587->backlight = devm_of_find_backlight(dev);
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if (IS_ERR(osd101t2587->backlight))
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return PTR_ERR(osd101t2587->backlight);
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drm_panel_init(&osd101t2587->base);
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osd101t2587->base.funcs = &osd101t2587_panel_funcs;
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osd101t2587->base.dev = &osd101t2587->dsi->dev;
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return drm_panel_add(&osd101t2587->base);
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}
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static int osd101t2587_panel_probe(struct mipi_dsi_device *dsi)
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{
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struct osd101t2587_panel *osd101t2587;
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const struct of_device_id *id;
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int ret;
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id = of_match_node(osd101t2587_of_match, dsi->dev.of_node);
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if (!id)
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return -ENODEV;
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dsi->lanes = 4;
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dsi->format = MIPI_DSI_FMT_RGB888;
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dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
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MIPI_DSI_MODE_VIDEO_BURST |
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MIPI_DSI_MODE_VIDEO_SYNC_PULSE |
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MIPI_DSI_MODE_EOT_PACKET;
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osd101t2587 = devm_kzalloc(&dsi->dev, sizeof(*osd101t2587), GFP_KERNEL);
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if (!osd101t2587)
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return -ENOMEM;
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mipi_dsi_set_drvdata(dsi, osd101t2587);
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osd101t2587->dsi = dsi;
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osd101t2587->default_mode = id->data;
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ret = osd101t2587_panel_add(osd101t2587);
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if (ret < 0)
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return ret;
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ret = mipi_dsi_attach(dsi);
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if (ret)
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drm_panel_remove(&osd101t2587->base);
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return ret;
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}
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static int osd101t2587_panel_remove(struct mipi_dsi_device *dsi)
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{
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struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);
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int ret;
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ret = osd101t2587_panel_disable(&osd101t2587->base);
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if (ret < 0)
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dev_warn(&dsi->dev, "failed to disable panel: %d\n", ret);
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osd101t2587_panel_unprepare(&osd101t2587->base);
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drm_panel_remove(&osd101t2587->base);
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ret = mipi_dsi_detach(dsi);
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if (ret < 0)
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dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);
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return ret;
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}
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static void osd101t2587_panel_shutdown(struct mipi_dsi_device *dsi)
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{
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struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);
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osd101t2587_panel_disable(&osd101t2587->base);
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osd101t2587_panel_unprepare(&osd101t2587->base);
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}
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static struct mipi_dsi_driver osd101t2587_panel_driver = {
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.driver = {
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.name = "panel-osd-osd101t2587-53ts",
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.of_match_table = osd101t2587_of_match,
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},
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.probe = osd101t2587_panel_probe,
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.remove = osd101t2587_panel_remove,
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.shutdown = osd101t2587_panel_shutdown,
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};
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module_mipi_dsi_driver(osd101t2587_panel_driver);
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MODULE_AUTHOR("Peter Ujfalusi <peter.ujfalusi@ti.com>");
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MODULE_DESCRIPTION("OSD101T2587-53TS DSI panel");
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MODULE_LICENSE("GPL v2");
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