584 static int nt35510_send_long(struct nt35510 *nt, struct mipi_dsi_device *dsi,  in nt35510_send_long()  argument
596 		dev_err(nt->dev, "error sending DCS command seq cmd %02x\n", cmd);  in nt35510_send_long()
608 			dev_err(nt->dev, "error sending generic write seq %02x\n", cmd);  in nt35510_send_long()
614 	dev_dbg(nt->dev, "sent command %02x %02x bytes\n", cmd, cmdlen);  in nt35510_send_long()
618 static int nt35510_read_id(struct nt35510 *nt)  in nt35510_read_id()  argument
620 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev);  in nt35510_read_id()
626 		dev_err(nt->dev, "could not read MTP ID1\n");  in nt35510_read_id()
631 		dev_err(nt->dev, "could not read MTP ID2\n");  in nt35510_read_id()
636 		dev_err(nt->dev, "could not read MTP ID3\n");  in nt35510_read_id()
645 	dev_info(nt->dev, "MTP ID manufacturer: %02x version: %02x driver: %02x\n", id1, id2, id3);  in nt35510_read_id()
654 static int nt35510_setup_power(struct nt35510 *nt)  in nt35510_setup_power()  argument
656 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev);  in nt35510_setup_power()
659 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETAVDD,  in nt35510_setup_power()
661 				nt->conf->avdd);  in nt35510_setup_power()
664 	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT1CTR,  in nt35510_setup_power()
666 				nt->conf->bt1ctr);  in nt35510_setup_power()
669 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETAVEE,  in nt35510_setup_power()
671 				nt->conf->avee);  in nt35510_setup_power()
674 	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT2CTR,  in nt35510_setup_power()
676 				nt->conf->bt2ctr);  in nt35510_setup_power()
679 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVCL,  in nt35510_setup_power()
681 				nt->conf->vcl);  in nt35510_setup_power()
684 	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT3CTR,  in nt35510_setup_power()
686 				nt->conf->bt3ctr);  in nt35510_setup_power()
689 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGH,  in nt35510_setup_power()
691 				nt->conf->vgh);  in nt35510_setup_power()
694 	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT4CTR,  in nt35510_setup_power()
696 				nt->conf->bt4ctr);  in nt35510_setup_power()
699 	ret = nt35510_send_long(nt, dsi, NT35510_P1_VGHCTR,  in nt35510_setup_power()
704 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGL,  in nt35510_setup_power()
706 				nt->conf->vgl);  in nt35510_setup_power()
709 	ret = nt35510_send_long(nt, dsi, NT35510_P1_BT5CTR,  in nt35510_setup_power()
711 				nt->conf->bt5ctr);  in nt35510_setup_power()
714 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGP,  in nt35510_setup_power()
716 				nt->conf->vgp);  in nt35510_setup_power()
719 	ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVGN,  in nt35510_setup_power()
721 				nt->conf->vgn);  in nt35510_setup_power()
725 	if (nt->conf->cmds & NT35510_CMD_SETVCMOFF) {  in nt35510_setup_power()
726 		ret = nt35510_send_long(nt, dsi, NT35510_P1_SETVCMOFF,  in nt35510_setup_power()
728 					nt->conf->vcmoff);  in nt35510_setup_power()
743 static int nt35510_setup_display(struct nt35510 *nt)  in nt35510_setup_display()  argument
745 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev);  in nt35510_setup_display()
746 	const struct nt35510_config *conf = nt->conf;  in nt35510_setup_display()
750 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DOPCTR,  in nt35510_setup_display()
766 	ret = nt35510_send_long(nt, dsi, NT35510_P0_GSEQCTR,  in nt35510_setup_display()
772 	ret = nt35510_send_long(nt, dsi, NT35510_P0_SDEQCTR,  in nt35510_setup_display()
806 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DPFRCTR1,  in nt35510_setup_display()
813 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DPFRCTR2,  in nt35510_setup_display()
818 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DPFRCTR3,  in nt35510_setup_display()
830 	ret = nt35510_send_long(nt, dsi, NT35510_P0_DPMCTR12,  in nt35510_setup_display()
841 	struct nt35510 *nt = bl_get_data(bl);  in nt35510_set_brightness()  local
842 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev);  in nt35510_set_brightness()
846 	dev_dbg(nt->dev, "set brightness %d\n", brightness);  in nt35510_set_brightness()
863 static int nt35510_power_on(struct nt35510 *nt)  in nt35510_power_on()  argument
865 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev);  in nt35510_power_on()
868 	ret = regulator_bulk_enable(ARRAY_SIZE(nt->supplies), nt->supplies);  in nt35510_power_on()
870 		dev_err(nt->dev, "unable to enable regulators\n");  in nt35510_power_on()
875 	if (nt->reset_gpio) {  in nt35510_power_on()
876 		gpiod_set_value(nt->reset_gpio, 1);  in nt35510_power_on()
879 		gpiod_set_value(nt->reset_gpio, 0);  in nt35510_power_on()
887 	ret = nt35510_send_long(nt, dsi, MCS_CMD_MTP_READ_PARAM,  in nt35510_power_on()
893 	ret = nt35510_send_long(nt, dsi, MCS_CMD_MTP_READ_SETTING,  in nt35510_power_on()
899 	nt35510_read_id(nt);  in nt35510_power_on()
902 	ret = nt35510_send_long(nt, dsi, MCS_CMD_MAUCCTR,  in nt35510_power_on()
908 	ret = nt35510_setup_power(nt);  in nt35510_power_on()
912 	if (nt->conf->cmds & NT35510_CMD_CORRECT_GAMMA) {  in nt35510_power_on()
913 		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_POS,  in nt35510_power_on()
915 					nt->conf->gamma_corr_pos_r);  in nt35510_power_on()
918 		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_POS,  in nt35510_power_on()
920 					nt->conf->gamma_corr_pos_g);  in nt35510_power_on()
923 		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_POS,  in nt35510_power_on()
925 					nt->conf->gamma_corr_pos_b);  in nt35510_power_on()
928 		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_RED_NEG,  in nt35510_power_on()
930 					nt->conf->gamma_corr_neg_r);  in nt35510_power_on()
933 		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_GREEN_NEG,  in nt35510_power_on()
935 					nt->conf->gamma_corr_neg_g);  in nt35510_power_on()
938 		ret = nt35510_send_long(nt, dsi, NT35510_P1_SET_GAMMA_BLUE_NEG,  in nt35510_power_on()
940 					nt->conf->gamma_corr_neg_b);  in nt35510_power_on()
946 	ret = nt35510_send_long(nt, dsi, MCS_CMD_MAUCCTR,  in nt35510_power_on()
952 	ret = nt35510_setup_display(nt);  in nt35510_power_on()
959 static int nt35510_power_off(struct nt35510 *nt)  in nt35510_power_off()  argument
963 	ret = regulator_bulk_disable(ARRAY_SIZE(nt->supplies), nt->supplies);  in nt35510_power_off()
967 	if (nt->reset_gpio)  in nt35510_power_off()
968 		gpiod_set_value(nt->reset_gpio, 1);  in nt35510_power_off()
975 	struct nt35510 *nt = panel_to_nt35510(panel);  in nt35510_unprepare()  local
976 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev);  in nt35510_unprepare()
981 		dev_err(nt->dev, "failed to turn display off (%d)\n", ret);  in nt35510_unprepare()
989 		dev_err(nt->dev, "failed to enter sleep mode (%d)\n", ret);  in nt35510_unprepare()
996 	ret = nt35510_power_off(nt);  in nt35510_unprepare()
1005 	struct nt35510 *nt = panel_to_nt35510(panel);  in nt35510_prepare()  local
1006 	struct mipi_dsi_device *dsi = to_mipi_dsi_device(nt->dev);  in nt35510_prepare()
1009 	ret = nt35510_power_on(nt);  in nt35510_prepare()
1016 		dev_err(nt->dev, "failed to exit sleep mode (%d)\n", ret);  in nt35510_prepare()
1022 	if (nt->conf->cmds & NT35510_CMD_CONTROL_DISPLAY) {  in nt35510_prepare()
1024 					 &nt->conf->wrctrld,  in nt35510_prepare()
1025 					 sizeof(nt->conf->wrctrld));  in nt35510_prepare()
1030 					 &nt->conf->wrcabc,  in nt35510_prepare()
1031 					 sizeof(nt->conf->wrcabc));  in nt35510_prepare()
1036 					 &nt->conf->wrcabcmb,  in nt35510_prepare()
1037 					 sizeof(nt->conf->wrcabcmb));  in nt35510_prepare()
1044 		dev_err(nt->dev, "failed to turn display on (%d)\n", ret);  in nt35510_prepare()
1056 	struct nt35510 *nt = panel_to_nt35510(panel);  in nt35510_get_modes()  local
1061 	info->width_mm = nt->conf->width_mm;  in nt35510_get_modes()
1062 	info->height_mm = nt->conf->height_mm;  in nt35510_get_modes()
1063 	mode = drm_mode_duplicate(connector->dev, &nt->conf->mode);  in nt35510_get_modes()
1071 	mode->width_mm = nt->conf->width_mm;  in nt35510_get_modes()
1072 	mode->height_mm = nt->conf->height_mm;  in nt35510_get_modes()
1087 	struct nt35510 *nt;  in nt35510_probe()  local
1090 	nt = devm_kzalloc(dev, sizeof(struct nt35510), GFP_KERNEL);  in nt35510_probe()
1091 	if (!nt)  in nt35510_probe()
1093 	mipi_dsi_set_drvdata(dsi, nt);  in nt35510_probe()
1094 	nt->dev = dev;  in nt35510_probe()
1116 	nt->conf = of_device_get_match_data(dev);  in nt35510_probe()
1117 	if (!nt->conf) {  in nt35510_probe()
1122 	dsi->mode_flags = nt->conf->mode_flags;  in nt35510_probe()
1124 	nt->supplies[0].supply = "vdd"; /* 2.3-4.8 V */  in nt35510_probe()
1125 	nt->supplies[1].supply = "vddi"; /* 1.65-3.3V */  in nt35510_probe()
1126 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(nt->supplies),  in nt35510_probe()
1127 				      nt->supplies);  in nt35510_probe()
1130 	ret = regulator_set_voltage(nt->supplies[0].consumer,  in nt35510_probe()
1134 	ret = regulator_set_voltage(nt->supplies[1].consumer,  in nt35510_probe()
1139 	nt->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);  in nt35510_probe()
1140 	if (IS_ERR(nt->reset_gpio)) {  in nt35510_probe()
1142 		return PTR_ERR(nt->reset_gpio);  in nt35510_probe()
1145 	drm_panel_init(&nt->panel, dev, &nt35510_drm_funcs,  in nt35510_probe()
1153 	ret = drm_panel_of_backlight(&nt->panel);  in nt35510_probe()
1158 	if (!nt->panel.backlight) {  in nt35510_probe()
1161 		bl = devm_backlight_device_register(dev, "nt35510", dev, nt,  in nt35510_probe()
1168 		if (nt->conf->cmds & NT35510_CMD_CONTROL_DISPLAY)  in nt35510_probe()
1169 			bl->props.brightness = nt->conf->wrdisbv;  in nt35510_probe()
1173 		nt->panel.backlight = bl;  in nt35510_probe()
1176 	drm_panel_add(&nt->panel);  in nt35510_probe()
1180 		drm_panel_remove(&nt->panel);  in nt35510_probe()
1187 	struct nt35510 *nt = mipi_dsi_get_drvdata(dsi);  in nt35510_remove()  local
1192 	ret = nt35510_power_off(nt);  in nt35510_remove()
1196 	drm_panel_remove(&nt->panel);  in nt35510_remove()