drm/panel/panel-jdi-lpm102a188a.c

60 static void jdi_wait_frames(struct jdi_panel *jdi, unsigned int frames)
62 	unsigned int refresh = drm_mode_vrefresh(jdi->mode);
72 	struct jdi_panel *jdi = to_panel_jdi(panel);
74 	backlight_disable(jdi->backlight);
76 	jdi_wait_frames(jdi, 2);
83 	struct jdi_panel *jdi = to_panel_jdi(panel);
86 	ret = mipi_dsi_dcs_set_display_off(jdi->link1);
90 	ret = mipi_dsi_dcs_set_display_off(jdi->link2);
97 	ret = mipi_dsi_dcs_enter_sleep_mode(jdi->link1);
100 	ret = mipi_dsi_dcs_enter_sleep_mode(jdi->link2);
107 	gpiod_set_value(jdi->reset_gpio, 1);
112 	gpiod_set_value(jdi->enable_gpio, 0);
117 	regulator_disable(jdi->ddi_supply);
122 	regulator_disable(jdi->supply);
162 static int jdi_write_dcdc_registers(struct jdi_panel *jdi)
165 	mipi_dsi_generic_write_seq(jdi->link1, MCS_CMD_ACS_PROT,
167 	mipi_dsi_generic_write_seq(jdi->link2, MCS_CMD_ACS_PROT,
174 	mipi_dsi_generic_write_seq(jdi->link1, MCS_PWR_CTRL_FUNC,
180 	mipi_dsi_generic_write_seq(jdi->link2, MCS_PWR_CTRL_FUNC,
191 	struct jdi_panel *jdi = to_panel_jdi(panel);
197 	backlight_disable(jdi->backlight);
198 	jdi_wait_frames(jdi, 3);
200 	jdi->link1->mode_flags |= MIPI_DSI_MODE_LPM;
201 	jdi->link2->mode_flags |= MIPI_DSI_MODE_LPM;
203 	err = regulator_enable(jdi->supply);
211 	err = regulator_enable(jdi->ddi_supply);
219 	gpiod_set_value(jdi->enable_gpio, 1);
223 	gpiod_set_value(jdi->reset_gpio, 0);
234 	err = jdi_setup_symmetrical_split(jdi->link1, jdi->link2,
235 					  jdi->mode);
242 	err = mipi_dsi_dcs_set_tear_scanline(jdi->link1,
243 					     jdi->mode->vdisplay - 16);
249 	err = mipi_dsi_dcs_set_tear_scanline(jdi->link2,
250 					     jdi->mode->vdisplay - 16);
256 	err = mipi_dsi_dcs_set_tear_on(jdi->link1,
263 	err = mipi_dsi_dcs_set_tear_on(jdi->link2,
270 	err = mipi_dsi_dcs_set_pixel_format(jdi->link1, MIPI_DCS_PIXEL_FMT_24BIT);
276 	err = mipi_dsi_dcs_set_pixel_format(jdi->link2, MIPI_DCS_PIXEL_FMT_24BIT);
282 	err = mipi_dsi_dcs_exit_sleep_mode(jdi->link1);
288 	err = mipi_dsi_dcs_exit_sleep_mode(jdi->link2);
294 	err = jdi_write_dcdc_registers(jdi);
305 	err = mipi_dsi_dcs_set_display_on(jdi->link1);
311 	err = mipi_dsi_dcs_set_display_on(jdi->link2);
317 	jdi->link1->mode_flags &= ~MIPI_DSI_MODE_LPM;
318 	jdi->link2->mode_flags &= ~MIPI_DSI_MODE_LPM;
323 	regulator_disable(jdi->ddi_supply);
328 	regulator_disable(jdi->supply);
337 	struct jdi_panel *jdi = to_panel_jdi(panel);
343 	jdi_wait_frames(jdi, 3);
345 	backlight_enable(jdi->backlight);
367 	struct jdi_panel *jdi = to_panel_jdi(panel);
368 	struct device *dev = &jdi->link1->dev;
398 	{ .compatible = "jdi,lpm102a188a", },
403 static int jdi_panel_add(struct jdi_panel *jdi)
405 	struct device *dev = &jdi->link1->dev;
407 	jdi->mode = &default_mode;
409 	jdi->supply = devm_regulator_get(dev, "power");
410 	if (IS_ERR(jdi->supply))
411 		return dev_err_probe(dev, PTR_ERR(jdi->supply),
414 	jdi->ddi_supply = devm_regulator_get(dev, "ddi");
415 	if (IS_ERR(jdi->ddi_supply))
416 		return dev_err_probe(dev, PTR_ERR(jdi->ddi_supply),
419 	jdi->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
420 	if (IS_ERR(jdi->reset_gpio))
421 		return dev_err_probe(dev, PTR_ERR(jdi->reset_gpio),
426 	jdi->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
427 	if (IS_ERR(jdi->enable_gpio))
428 		return dev_err_probe(dev, PTR_ERR(jdi->enable_gpio),
433 	jdi->backlight = devm_of_find_backlight(dev);
434 	if (IS_ERR(jdi->backlight))
435 		return dev_err_probe(dev, PTR_ERR(jdi->backlight),
438 	drm_panel_add(&jdi->base);
443 static void jdi_panel_del(struct jdi_panel *jdi)
445 	if (jdi->base.dev)
446 		drm_panel_remove(&jdi->base);
448 	if (jdi->link2)
449 		put_device(&jdi->link2->dev);
455 	struct jdi_panel *jdi;
475 		jdi = devm_drm_panel_alloc(&dsi->dev, __typeof(*jdi),
479 		if (IS_ERR(jdi)) {
481 			return PTR_ERR(jdi);
484 		mipi_dsi_set_drvdata(dsi, jdi);
486 		jdi->link1 = dsi;
487 		jdi->link2 = secondary;
489 		err = jdi_panel_add(jdi);
499 			jdi_panel_del(jdi);
509 	struct jdi_panel *jdi = mipi_dsi_get_drvdata(dsi);
513 	if (!jdi)
516 	err = jdi_panel_disable(&jdi->base);
524 	jdi_panel_del(jdi);
529 	struct jdi_panel *jdi = mipi_dsi_get_drvdata(dsi);
531 	if (!jdi)
534 	jdi_panel_disable(&jdi->base);
539 		.name = "panel-jdi-lpm102a188a",