1 // SPDX-License-Identifier: GPL-2.0-only
4  * Generated with linux-mdss-dsi-panel-driver-generator from vendor device tree:
33 	struct drm_panel panel;  member
34 	struct mipi_dsi_device *dsi;  member
42 struct ebbg_ft8719 *to_ebbg_ft8719(struct drm_panel *panel)  in to_ebbg_ft8719()  argument
44 	return container_of(panel, struct ebbg_ft8719, panel);  in to_ebbg_ft8719()
49 	gpiod_set_value_cansleep(ctx->reset_gpio, 0);  in ebbg_ft8719_reset()
51 	gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in ebbg_ft8719_reset()
53 	gpiod_set_value_cansleep(ctx->reset_gpio, 0);  in ebbg_ft8719_reset()
59 	struct mipi_dsi_device *dsi = ctx->dsi;  in ebbg_ft8719_on()  local
60 	struct device *dev = &dsi->dev;  in ebbg_ft8719_on()
63 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in ebbg_ft8719_on()
65 	ret = mipi_dsi_dcs_set_display_brightness(dsi, 0x00ff);  in ebbg_ft8719_on()
71 	mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_CONTROL_DISPLAY, 0x24);  in ebbg_ft8719_on()
72 	mipi_dsi_dcs_write_seq(dsi, MIPI_DCS_WRITE_POWER_SAVE, 0x00);  in ebbg_ft8719_on()
74 	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);  in ebbg_ft8719_on()
81 	ret = mipi_dsi_dcs_set_display_on(dsi);  in ebbg_ft8719_on()
92 	struct mipi_dsi_device *dsi = ctx->dsi;  in ebbg_ft8719_off()  local
93 	struct device *dev = &dsi->dev;  in ebbg_ft8719_off()
96 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in ebbg_ft8719_off()
98 	ret = mipi_dsi_dcs_set_display_off(dsi);  in ebbg_ft8719_off()
105 	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);  in ebbg_ft8719_off()
115 static int ebbg_ft8719_prepare(struct drm_panel *panel)  in ebbg_ft8719_prepare()  argument
117 	struct ebbg_ft8719 *ctx = to_ebbg_ft8719(panel);  in ebbg_ft8719_prepare()
118 	struct device *dev = &ctx->dsi->dev;  in ebbg_ft8719_prepare()
121 	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);  in ebbg_ft8719_prepare()
129 		dev_err(dev, "Failed to initialize panel: %d\n", ret);  in ebbg_ft8719_prepare()
130 		gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in ebbg_ft8719_prepare()
137 static int ebbg_ft8719_unprepare(struct drm_panel *panel)  in ebbg_ft8719_unprepare()  argument
139 	struct ebbg_ft8719 *ctx = to_ebbg_ft8719(panel);  in ebbg_ft8719_unprepare()
140 	struct device *dev = &ctx->dsi->dev;  in ebbg_ft8719_unprepare()
145 		dev_err(dev, "Failed to un-initialize panel: %d\n", ret);  in ebbg_ft8719_unprepare()
147 	gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in ebbg_ft8719_unprepare()
149 	ret = regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);  in ebbg_ft8719_unprepare()
151 		dev_err(panel->dev, "Failed to disable regulators: %d\n", ret);  in ebbg_ft8719_unprepare()
170 static int ebbg_ft8719_get_modes(struct drm_panel *panel,  in ebbg_ft8719_get_modes()  argument
175 	mode = drm_mode_duplicate(connector->dev, &ebbg_ft8719_mode);  in ebbg_ft8719_get_modes()
177 		return -ENOMEM;  in ebbg_ft8719_get_modes()
181 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;  in ebbg_ft8719_get_modes()
182 	connector->display_info.width_mm = mode->width_mm;  in ebbg_ft8719_get_modes()
183 	connector->display_info.height_mm = mode->height_mm;  in ebbg_ft8719_get_modes()
195 static int ebbg_ft8719_probe(struct mipi_dsi_device *dsi)  in ebbg_ft8719_probe()  argument
197 	struct device *dev = &dsi->dev;  in ebbg_ft8719_probe()
203 		return -ENOMEM;  in ebbg_ft8719_probe()
205 	for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++)  in ebbg_ft8719_probe()
206 		ctx->supplies[i].supply = regulator_names[i];  in ebbg_ft8719_probe()
208 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),  in ebbg_ft8719_probe()
209 				      ctx->supplies);  in ebbg_ft8719_probe()
213 	for (i = 0; i < ARRAY_SIZE(ctx->supplies); i++) {  in ebbg_ft8719_probe()
214 		ret = regulator_set_load(ctx->supplies[i].consumer,  in ebbg_ft8719_probe()
221 	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);  in ebbg_ft8719_probe()
222 	if (IS_ERR(ctx->reset_gpio))  in ebbg_ft8719_probe()
223 		return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio),  in ebbg_ft8719_probe()
224 				     "Failed to get reset-gpios\n");  in ebbg_ft8719_probe()
226 	ctx->dsi = dsi;  in ebbg_ft8719_probe()
227 	mipi_dsi_set_drvdata(dsi, ctx);  in ebbg_ft8719_probe()
229 	dsi->lanes = 4;  in ebbg_ft8719_probe()
230 	dsi->format = MIPI_DSI_FMT_RGB888;  in ebbg_ft8719_probe()
231 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |  in ebbg_ft8719_probe()
234 	drm_panel_init(&ctx->panel, dev, &ebbg_ft8719_panel_funcs,  in ebbg_ft8719_probe()
237 	ret = drm_panel_of_backlight(&ctx->panel);  in ebbg_ft8719_probe()
241 	drm_panel_add(&ctx->panel);  in ebbg_ft8719_probe()
243 	ret = mipi_dsi_attach(dsi);  in ebbg_ft8719_probe()
245 		dev_err(dev, "Failed to attach to DSI host: %d\n", ret);  in ebbg_ft8719_probe()
246 		drm_panel_remove(&ctx->panel);  in ebbg_ft8719_probe()
253 static void ebbg_ft8719_remove(struct mipi_dsi_device *dsi)  in ebbg_ft8719_remove()  argument
255 	struct ebbg_ft8719 *ctx = mipi_dsi_get_drvdata(dsi);  in ebbg_ft8719_remove()
258 	ret = mipi_dsi_detach(dsi);  in ebbg_ft8719_remove()
260 		dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);  in ebbg_ft8719_remove()
262 	drm_panel_remove(&ctx->panel);  in ebbg_ft8719_remove()
275 		.name = "panel-ebbg-ft8719",
282 MODULE_DESCRIPTION("DRM driver for EBBG FT8719 video dsi panel");