1 // SPDX-License-Identifier: GPL-2.0
3  *  Copyright (C) 2019 Texas Instruments Incorporated - https://www.ti.com
20 	struct mipi_dsi_device *dsi;  member
30 static inline struct osd101t2587_panel *ti_osd_panel(struct drm_panel *panel)  in ti_osd_panel()  argument
32 	return container_of(panel, struct osd101t2587_panel, base);  in ti_osd_panel()
35 static int osd101t2587_panel_disable(struct drm_panel *panel)  in osd101t2587_panel_disable()  argument
37 	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);  in osd101t2587_panel_disable()
40 	if (!osd101t2587->enabled)  in osd101t2587_panel_disable()
43 	ret = mipi_dsi_shutdown_peripheral(osd101t2587->dsi);  in osd101t2587_panel_disable()
45 	osd101t2587->enabled = false;  in osd101t2587_panel_disable()
50 static int osd101t2587_panel_unprepare(struct drm_panel *panel)  in osd101t2587_panel_unprepare()  argument
52 	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);  in osd101t2587_panel_unprepare()
54 	if (!osd101t2587->prepared)  in osd101t2587_panel_unprepare()
57 	regulator_disable(osd101t2587->supply);  in osd101t2587_panel_unprepare()
58 	osd101t2587->prepared = false;  in osd101t2587_panel_unprepare()
63 static int osd101t2587_panel_prepare(struct drm_panel *panel)  in osd101t2587_panel_prepare()  argument
65 	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);  in osd101t2587_panel_prepare()
68 	if (osd101t2587->prepared)  in osd101t2587_panel_prepare()
71 	ret = regulator_enable(osd101t2587->supply);  in osd101t2587_panel_prepare()
73 		osd101t2587->prepared = true;  in osd101t2587_panel_prepare()
78 static int osd101t2587_panel_enable(struct drm_panel *panel)  in osd101t2587_panel_enable()  argument
80 	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);  in osd101t2587_panel_enable()
83 	if (osd101t2587->enabled)  in osd101t2587_panel_enable()
86 	ret = mipi_dsi_turn_on_peripheral(osd101t2587->dsi);  in osd101t2587_panel_enable()
90 	osd101t2587->enabled = true;  in osd101t2587_panel_enable()
108 static int osd101t2587_panel_get_modes(struct drm_panel *panel,  in osd101t2587_panel_get_modes()  argument
111 	struct osd101t2587_panel *osd101t2587 = ti_osd_panel(panel);  in osd101t2587_panel_get_modes()
114 	mode = drm_mode_duplicate(connector->dev, osd101t2587->default_mode);  in osd101t2587_panel_get_modes()
116 		dev_err(panel->dev, "failed to add mode %ux%ux@%u\n",  in osd101t2587_panel_get_modes()
117 			osd101t2587->default_mode->hdisplay,  in osd101t2587_panel_get_modes()
118 			osd101t2587->default_mode->vdisplay,  in osd101t2587_panel_get_modes()
119 			drm_mode_vrefresh(osd101t2587->default_mode));  in osd101t2587_panel_get_modes()
120 		return -ENOMEM;  in osd101t2587_panel_get_modes()
127 	connector->display_info.width_mm = 217;  in osd101t2587_panel_get_modes()
128 	connector->display_info.height_mm = 136;  in osd101t2587_panel_get_modes()
143 		.compatible = "osddisplays,osd101t2587-53ts",
153 	struct device *dev = &osd101t2587->dsi->dev;  in osd101t2587_panel_add()
156 	osd101t2587->supply = devm_regulator_get(dev, "power");  in osd101t2587_panel_add()
157 	if (IS_ERR(osd101t2587->supply))  in osd101t2587_panel_add()
158 		return PTR_ERR(osd101t2587->supply);  in osd101t2587_panel_add()
160 	drm_panel_init(&osd101t2587->base, &osd101t2587->dsi->dev,  in osd101t2587_panel_add()
163 	ret = drm_panel_of_backlight(&osd101t2587->base);  in osd101t2587_panel_add()
167 	drm_panel_add(&osd101t2587->base);  in osd101t2587_panel_add()
172 static int osd101t2587_panel_probe(struct mipi_dsi_device *dsi)  in osd101t2587_panel_probe()  argument
178 	id = of_match_node(osd101t2587_of_match, dsi->dev.of_node);  in osd101t2587_panel_probe()
180 		return -ENODEV;  in osd101t2587_panel_probe()
182 	dsi->lanes = 4;  in osd101t2587_panel_probe()
183 	dsi->format = MIPI_DSI_FMT_RGB888;  in osd101t2587_panel_probe()
184 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO |  in osd101t2587_panel_probe()
189 	osd101t2587 = devm_kzalloc(&dsi->dev, sizeof(*osd101t2587), GFP_KERNEL);  in osd101t2587_panel_probe()
191 		return -ENOMEM;  in osd101t2587_panel_probe()
193 	mipi_dsi_set_drvdata(dsi, osd101t2587);  in osd101t2587_panel_probe()
195 	osd101t2587->dsi = dsi;  in osd101t2587_panel_probe()
196 	osd101t2587->default_mode = id->data;  in osd101t2587_panel_probe()
202 	ret = mipi_dsi_attach(dsi);  in osd101t2587_panel_probe()
204 		drm_panel_remove(&osd101t2587->base);  in osd101t2587_panel_probe()
209 static void osd101t2587_panel_remove(struct mipi_dsi_device *dsi)  in osd101t2587_panel_remove()  argument
211 	struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);  in osd101t2587_panel_remove()
214 	ret = drm_panel_disable(&osd101t2587->base);  in osd101t2587_panel_remove()
216 		dev_warn(&dsi->dev, "failed to disable panel: %d\n", ret);  in osd101t2587_panel_remove()
218 	drm_panel_unprepare(&osd101t2587->base);  in osd101t2587_panel_remove()
219 	drm_panel_remove(&osd101t2587->base);  in osd101t2587_panel_remove()
221 	ret = mipi_dsi_detach(dsi);  in osd101t2587_panel_remove()
223 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);  in osd101t2587_panel_remove()
226 static void osd101t2587_panel_shutdown(struct mipi_dsi_device *dsi)  in osd101t2587_panel_shutdown()  argument
228 	struct osd101t2587_panel *osd101t2587 = mipi_dsi_get_drvdata(dsi);  in osd101t2587_panel_shutdown()
230 	drm_panel_disable(&osd101t2587->base);  in osd101t2587_panel_shutdown()
231 	drm_panel_unprepare(&osd101t2587->base);  in osd101t2587_panel_shutdown()
236 		.name = "panel-osd-osd101t2587-53ts",
246 MODULE_DESCRIPTION("OSD101T2587-53TS DSI panel");