drm/panel/panel-panasonic-vvx10f034n00.c

1 // SPDX-License-Identifier: GPL-2.0-only
10 #include <linux/delay.h>
23  * When power is turned off to this panel a minimum off time of 500ms has to be
25  * track of earliest wakeup time and delay subsequent prepare call accordingly
47 	return mipi_dsi_turn_on_peripheral(wuxga_nt->dsi);  in wuxga_nt_panel_on()
54 	return mipi_dsi_shutdown_peripheral(wuxga_nt->dsi);  in wuxga_nt_panel_disable()
61 	regulator_disable(wuxga_nt->supply);  in wuxga_nt_panel_unprepare()
62 	wuxga_nt->earliest_wake = ktime_add_ms(ktime_get_real(), MIN_POFF_MS);  in wuxga_nt_panel_unprepare()
74 	 * If the user re-enabled the panel before the required off-time then  in wuxga_nt_panel_prepare()
75 	 * we need to wait the remaining period before re-enabling regulator  in wuxga_nt_panel_prepare()
77 	enablewait = ktime_ms_delta(wuxga_nt->earliest_wake, ktime_get_real());  in wuxga_nt_panel_prepare()
86 	ret = regulator_enable(wuxga_nt->supply);  in wuxga_nt_panel_prepare()
91 	 * A minimum delay of 250ms is required after power-up until commands  in wuxga_nt_panel_prepare()
98 		dev_err(panel->dev, "failed to set panel on: %d\n", ret);  in wuxga_nt_panel_prepare()
105 	regulator_disable(wuxga_nt->supply);  in wuxga_nt_panel_prepare()
127 	mode = drm_mode_duplicate(connector->dev, &default_mode);  in wuxga_nt_panel_get_modes()
129 		dev_err(panel->dev, "failed to add mode %ux%u@%u\n",  in wuxga_nt_panel_get_modes()
132 		return -ENOMEM;  in wuxga_nt_panel_get_modes()
139 	connector->display_info.width_mm = 217;  in wuxga_nt_panel_get_modes()
140 	connector->display_info.height_mm = 136;  in wuxga_nt_panel_get_modes()
160 	struct device *dev = &wuxga_nt->dsi->dev;  in wuxga_nt_panel_add()
163 	wuxga_nt->mode = &default_mode;  in wuxga_nt_panel_add()
165 	wuxga_nt->supply = devm_regulator_get(dev, "power");  in wuxga_nt_panel_add()
166 	if (IS_ERR(wuxga_nt->supply))  in wuxga_nt_panel_add()
167 		return PTR_ERR(wuxga_nt->supply);  in wuxga_nt_panel_add()
169 	drm_panel_init(&wuxga_nt->base, &wuxga_nt->dsi->dev,  in wuxga_nt_panel_add()
172 	ret = drm_panel_of_backlight(&wuxga_nt->base);  in wuxga_nt_panel_add()
176 	drm_panel_add(&wuxga_nt->base);  in wuxga_nt_panel_add()
183 	if (wuxga_nt->base.dev)  in wuxga_nt_panel_del()
184 		drm_panel_remove(&wuxga_nt->base);  in wuxga_nt_panel_del()
192 	dsi->lanes = 4;  in wuxga_nt_panel_probe()
193 	dsi->format = MIPI_DSI_FMT_RGB888;  in wuxga_nt_panel_probe()
194 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO |  in wuxga_nt_panel_probe()
199 	wuxga_nt = devm_kzalloc(&dsi->dev, sizeof(*wuxga_nt), GFP_KERNEL);  in wuxga_nt_panel_probe()
201 		return -ENOMEM;  in wuxga_nt_panel_probe()
205 	wuxga_nt->dsi = dsi;  in wuxga_nt_panel_probe()
227 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n", ret);  in wuxga_nt_panel_remove()
234 		.name = "panel-panasonic-vvx10f034n00",
243 MODULE_DESCRIPTION("Panasonic VVX10F034N00 Novatek NT1397-based WUXGA (1920x1200) video mode panel …