drm/panel/panel-visionox-rm69299.c

30 static int visionox_rm69299_power_on(struct visionox_rm69299 *ctx)
34 	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
43 	gpiod_set_value(ctx->reset_gpio, 1);
45 	gpiod_set_value(ctx->reset_gpio, 0);
47 	gpiod_set_value(ctx->reset_gpio, 1);
53 static int visionox_rm69299_power_off(struct visionox_rm69299 *ctx)
55 	gpiod_set_value(ctx->reset_gpio, 0);
57 	return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
62 	struct visionox_rm69299 *ctx = panel_to_ctx(panel);
65 	ctx->dsi->mode_flags = 0;
67 	ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_OFF, NULL, 0);
69 		dev_err(ctx->panel.dev, "set_display_off cmd failed ret = %d\n", ret);
74 	ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_ENTER_SLEEP_MODE, NULL, 0);
76 		dev_err(ctx->panel.dev, "enter_sleep cmd failed ret = %d\n", ret);
79 	ret = visionox_rm69299_power_off(ctx);
86 	struct visionox_rm69299 *ctx = panel_to_ctx(panel);
89 	ret = visionox_rm69299_power_on(ctx);
93 	ctx->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
95 	ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]) { 0xfe, 0x00 }, 2);
97 		dev_err(ctx->panel.dev, "cmd set tx 0 failed, ret = %d\n", ret);
101 	ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]) { 0xc2, 0x08 }, 2);
103 		dev_err(ctx->panel.dev, "cmd set tx 1 failed, ret = %d\n", ret);
107 	ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]) { 0x35, 0x00 }, 2);
109 		dev_err(ctx->panel.dev, "cmd set tx 2 failed, ret = %d\n", ret);
113 	ret = mipi_dsi_dcs_write_buffer(ctx->dsi, (u8[]) { 0x51, 0xff }, 2);
115 		dev_err(ctx->panel.dev, "cmd set tx 3 failed, ret = %d\n", ret);
119 	ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_EXIT_SLEEP_MODE, NULL, 0);
121 		dev_err(ctx->panel.dev, "exit_sleep_mode cmd failed ret = %d\n", ret);
128 	ret = mipi_dsi_dcs_write(ctx->dsi, MIPI_DCS_SET_DISPLAY_ON, NULL, 0);
130 		dev_err(ctx->panel.dev, "set_display_on cmd failed ret = %d\n", ret);
160 	struct visionox_rm69299 *ctx = panel_to_ctx(panel);
166 		dev_err(ctx->panel.dev, "failed to create a new display mode\n");
187 	struct visionox_rm69299 *ctx;
190 	ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
191 	if (!ctx)
194 	mipi_dsi_set_drvdata(dsi, ctx);
196 	ctx->panel.dev = dev;
197 	ctx->dsi = dsi;
199 	ctx->supplies[0].supply = "vdda";
200 	ctx->supplies[1].supply = "vdd3p3";
202 	ret = devm_regulator_bulk_get(ctx->panel.dev, ARRAY_SIZE(ctx->supplies),
203 				      ctx->supplies);
207 	ctx->reset_gpio = devm_gpiod_get(ctx->panel.dev,
209 	if (IS_ERR(ctx->reset_gpio)) {
210 		dev_err(dev, "cannot get reset gpio %ld\n", PTR_ERR(ctx->reset_gpio));
211 		return PTR_ERR(ctx->reset_gpio);
214 	drm_panel_init(&ctx->panel, dev, &visionox_rm69299_drm_funcs,
216 	ctx->panel.dev = dev;
217 	ctx->panel.funcs = &visionox_rm69299_drm_funcs;
218 	drm_panel_add(&ctx->panel);
230 	ret = regulator_set_load(ctx->supplies[0].consumer, 32000);
236 	ret = regulator_set_load(ctx->supplies[1].consumer, 13200);
247 	drm_panel_remove(&ctx->panel);
253 	struct visionox_rm69299 *ctx = mipi_dsi_get_drvdata(dsi);
255 	mipi_dsi_detach(ctx->dsi);
256 	drm_panel_remove(&ctx->panel);