1 // SPDX-License-Identifier: GPL-2.0
6 #include <linux/delay.h>
29 		.delay = (_delay), \
37 	u32 delay;  member
42 	const struct ili9805_instr *init;  member
126 	struct mipi_dsi_device *dsi = ctx->dsi;  in ili9805_power_on()
127 	struct device *dev = &dsi->dev;  in ili9805_power_on()
130 	ret = regulator_enable(ctx->avdd);  in ili9805_power_on()
136 	ret = regulator_enable(ctx->dvdd);  in ili9805_power_on()
139 		regulator_disable(ctx->avdd);  in ili9805_power_on()
143 	gpiod_set_value(ctx->reset_gpio, 0);  in ili9805_power_on()
145 	gpiod_set_value(ctx->reset_gpio, 1);  in ili9805_power_on()
153 	gpiod_set_value(ctx->reset_gpio, 0);  in ili9805_power_off()
154 	regulator_disable(ctx->dvdd);  in ili9805_power_off()
155 	regulator_disable(ctx->avdd);  in ili9805_power_off()
162 	struct mipi_dsi_device *dsi = ctx->dsi;  in ili9805_activate()
163 	struct device *dev = &dsi->dev;  in ili9805_activate()
166 	for (i = 0; i < ctx->desc->init_length; i++) {  in ili9805_activate()
167 		const struct ili9805_instr *instr = &ctx->desc->init[i];  in ili9805_activate()
169 		ret = mipi_dsi_dcs_write_buffer(ctx->dsi, instr->data, instr->len);  in ili9805_activate()
173 		if (instr->delay > 0)  in ili9805_activate()
174 			msleep(instr->delay);  in ili9805_activate()
177 	ret = mipi_dsi_dcs_exit_sleep_mode(ctx->dsi);  in ili9805_activate()
185 	ret = mipi_dsi_dcs_set_display_on(ctx->dsi);  in ili9805_activate()
214 	struct mipi_dsi_device *dsi = ctx->dsi;  in ili9805_deactivate()
215 	struct device *dev = &dsi->dev;  in ili9805_deactivate()
218 	ret = mipi_dsi_dcs_set_display_off(ctx->dsi);  in ili9805_deactivate()
226 	ret = mipi_dsi_dcs_enter_sleep_mode(ctx->dsi);  in ili9805_deactivate()
279 	mode = drm_mode_duplicate(connector->dev, ctx->desc->mode);  in ili9805_get_modes()
281 		dev_err(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n",  in ili9805_get_modes()
282 			ctx->desc->mode->hdisplay,  in ili9805_get_modes()
283 			ctx->desc->mode->vdisplay,  in ili9805_get_modes()
284 			drm_mode_vrefresh(ctx->desc->mode));  in ili9805_get_modes()
285 		return -ENOMEM;  in ili9805_get_modes()
290 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;  in ili9805_get_modes()
293 	connector->display_info.width_mm = mode->width_mm;  in ili9805_get_modes()
294 	connector->display_info.height_mm = mode->height_mm;  in ili9805_get_modes()
310 	ctx = devm_kzalloc(&dsi->dev, sizeof(*ctx), GFP_KERNEL);  in ili9805_dsi_probe()
312 		return -ENOMEM;  in ili9805_dsi_probe()
314 	ctx->dsi = dsi;  in ili9805_dsi_probe()
315 	ctx->desc = of_device_get_match_data(&dsi->dev);  in ili9805_dsi_probe()
317 	dsi->format = MIPI_DSI_FMT_RGB888;  in ili9805_dsi_probe()
318 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO_HSE | MIPI_DSI_MODE_VIDEO |  in ili9805_dsi_probe()
321 	dsi->lanes = 2;  in ili9805_dsi_probe()
323 	drm_panel_init(&ctx->panel, &dsi->dev, &ili9805_funcs,  in ili9805_dsi_probe()
326 	ctx->dvdd = devm_regulator_get(&dsi->dev, "dvdd");  in ili9805_dsi_probe()
327 	if (IS_ERR(ctx->dvdd))  in ili9805_dsi_probe()
328 		return PTR_ERR(ctx->dvdd);  in ili9805_dsi_probe()
329 	ctx->avdd = devm_regulator_get(&dsi->dev, "avdd");  in ili9805_dsi_probe()
330 	if (IS_ERR(ctx->avdd))  in ili9805_dsi_probe()
331 		return PTR_ERR(ctx->avdd);  in ili9805_dsi_probe()
333 	ctx->reset_gpio = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_LOW);  in ili9805_dsi_probe()
334 	if (IS_ERR(ctx->reset_gpio)) {  in ili9805_dsi_probe()
335 		dev_err(&dsi->dev, "Couldn't get our reset GPIO\n");  in ili9805_dsi_probe()
336 		return PTR_ERR(ctx->reset_gpio);  in ili9805_dsi_probe()
339 	ctx->panel.prepare_prev_first = true;  in ili9805_dsi_probe()
340 	ret = drm_panel_of_backlight(&ctx->panel);  in ili9805_dsi_probe()
344 	drm_panel_add(&ctx->panel);  in ili9805_dsi_probe()
348 		dev_err(&dsi->dev, "mipi_dsi_attach failed: %d\n", ret);  in ili9805_dsi_probe()
349 		drm_panel_remove(&ctx->panel);  in ili9805_dsi_probe()
363 		dev_err(&dsi->dev, "failed to detach from DSI host: %d\n",  in ili9805_dsi_remove()
366 	drm_panel_remove(&ctx->panel);  in ili9805_dsi_remove()
370 	.init = gpm1780a0_init,
378 	.init = tm041xdhg01_init,
396 		.name		= "ili9805-dsi",