1 //SPDX-License-Identifier: GPL-2.0-only
21 	struct drm_panel panel;  member
22 	struct mipi_dsi_device *dsi;  member
27 static inline struct visionox_r66451 *to_visionox_r66451(struct drm_panel *panel)  in to_visionox_r66451()  argument
29 	return container_of(panel, struct visionox_r66451, panel);  in to_visionox_r66451()
34 	gpiod_set_value_cansleep(ctx->reset_gpio, 0);  in visionox_r66451_reset()
36 	gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in visionox_r66451_reset()
38 	gpiod_set_value_cansleep(ctx->reset_gpio, 0);  in visionox_r66451_reset()
44 	struct mipi_dsi_device *dsi = ctx->dsi;  in visionox_r66451_on()  local
46 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in visionox_r66451_on()
48 	mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00);  in visionox_r66451_on()
49 	mipi_dsi_dcs_write_seq(dsi, 0xc2,  in visionox_r66451_on()
52 	mipi_dsi_dcs_write_seq(dsi, 0xd7,  in visionox_r66451_on()
56 	mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x80);  in visionox_r66451_on()
57 	mipi_dsi_dcs_write_seq(dsi, 0xde,  in visionox_r66451_on()
60 	mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x04);  in visionox_r66451_on()
61 	mipi_dsi_dcs_write_seq(dsi, 0xe8, 0x00, 0x02);  in visionox_r66451_on()
62 	mipi_dsi_dcs_write_seq(dsi, 0xe4, 0x00, 0x08);  in visionox_r66451_on()
63 	mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x00);  in visionox_r66451_on()
64 	mipi_dsi_dcs_write_seq(dsi, 0xc4,  in visionox_r66451_on()
67 	mipi_dsi_dcs_write_seq(dsi, 0xcf,  in visionox_r66451_on()
71 	mipi_dsi_dcs_write_seq(dsi, 0xd3,  in visionox_r66451_on()
75 	mipi_dsi_dcs_write_seq(dsi, 0xd7,  in visionox_r66451_on()
79 	mipi_dsi_dcs_write_seq(dsi, 0xd8,  in visionox_r66451_on()
86 	mipi_dsi_dcs_write_seq(dsi, 0xdf,  in visionox_r66451_on()
92 	mipi_dsi_dcs_write_seq(dsi, 0xf7, 0x01);  in visionox_r66451_on()
93 	mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x80);  in visionox_r66451_on()
94 	mipi_dsi_dcs_write_seq(dsi, 0xe4, 0x34, 0xb4, 0x00, 0x00, 0x00, 0x39, 0x04, 0x09, 0x34);  in visionox_r66451_on()
95 	mipi_dsi_dcs_write_seq(dsi, 0xe6, 0x00);  in visionox_r66451_on()
96 	mipi_dsi_dcs_write_seq(dsi, 0xb0, 0x04);  in visionox_r66451_on()
97 	mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x50, 0x40);  in visionox_r66451_on()
98 	mipi_dsi_dcs_write_seq(dsi, 0xf3, 0x50, 0x00, 0x00, 0x00, 0x00);  in visionox_r66451_on()
99 	mipi_dsi_dcs_write_seq(dsi, 0xf2, 0x11);  in visionox_r66451_on()
100 	mipi_dsi_dcs_write_seq(dsi, 0xf3, 0x01, 0x00, 0x00, 0x00, 0x01);  in visionox_r66451_on()
101 	mipi_dsi_dcs_write_seq(dsi, 0xf4, 0x00, 0x02);  in visionox_r66451_on()
102 	mipi_dsi_dcs_write_seq(dsi, 0xf2, 0x19);  in visionox_r66451_on()
103 	mipi_dsi_dcs_write_seq(dsi, 0xdf, 0x50, 0x42);  in visionox_r66451_on()
104 	mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);  in visionox_r66451_on()
105 	mipi_dsi_dcs_set_column_address(dsi, 0, 1080 - 1);  in visionox_r66451_on()
106 	mipi_dsi_dcs_set_page_address(dsi, 0, 2340 - 1);  in visionox_r66451_on()
108 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in visionox_r66451_on()
115 	ctx->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in visionox_r66451_off()
119 static int visionox_r66451_prepare(struct drm_panel *panel)  in visionox_r66451_prepare()  argument
121 	struct visionox_r66451 *ctx = to_visionox_r66451(panel);  in visionox_r66451_prepare()
122 	struct mipi_dsi_device *dsi = ctx->dsi;  in visionox_r66451_prepare()  local
123 	struct device *dev = &dsi->dev;  in visionox_r66451_prepare()
126 	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies),  in visionox_r66451_prepare()
127 				    ctx->supplies);  in visionox_r66451_prepare()
135 		dev_err(dev, "Failed to initialize panel: %d\n", ret);  in visionox_r66451_prepare()
136 		gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in visionox_r66451_prepare()
137 		regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);  in visionox_r66451_prepare()
141 	mipi_dsi_compression_mode(ctx->dsi, true);  in visionox_r66451_prepare()
146 static int visionox_r66451_unprepare(struct drm_panel *panel)  in visionox_r66451_unprepare()  argument
148 	struct visionox_r66451 *ctx = to_visionox_r66451(panel);  in visionox_r66451_unprepare()
149 	struct device *dev = &ctx->dsi->dev;  in visionox_r66451_unprepare()
154 		dev_err(dev, "Failed to un-initialize panel: %d\n", ret);  in visionox_r66451_unprepare()
156 	gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in visionox_r66451_unprepare()
157 	regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);  in visionox_r66451_unprepare()
177 static int visionox_r66451_enable(struct drm_panel *panel)  in visionox_r66451_enable()  argument
179 	struct visionox_r66451 *ctx = to_visionox_r66451(panel);  in visionox_r66451_enable()
180 	struct mipi_dsi_device *dsi = ctx->dsi;  in visionox_r66451_enable()  local
184 	if (!dsi->dsc) {  in visionox_r66451_enable()
185 		dev_err(&dsi->dev, "DSC not attached to DSI\n");  in visionox_r66451_enable()
186 		return -ENODEV;  in visionox_r66451_enable()
189 	drm_dsc_pps_payload_pack(&pps, dsi->dsc);  in visionox_r66451_enable()
190 	ret = mipi_dsi_picture_parameter_set(dsi, &pps);  in visionox_r66451_enable()
192 		dev_err(&dsi->dev, "Failed to set PPS\n");  in visionox_r66451_enable()
196 	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);  in visionox_r66451_enable()
198 		dev_err(&dsi->dev, "Failed to exit sleep mode: %d\n", ret);  in visionox_r66451_enable()
203 	ret = mipi_dsi_dcs_set_display_on(dsi);  in visionox_r66451_enable()
205 		dev_err(&dsi->dev, "Failed on set display on: %d\n", ret);  in visionox_r66451_enable()
213 static int visionox_r66451_disable(struct drm_panel *panel)  in visionox_r66451_disable()  argument
215 	struct visionox_r66451 *ctx = to_visionox_r66451(panel);  in visionox_r66451_disable()
216 	struct mipi_dsi_device *dsi = ctx->dsi;  in visionox_r66451_disable()  local
217 	struct device *dev = &dsi->dev;  in visionox_r66451_disable()
220 	ret = mipi_dsi_dcs_set_display_off(dsi);  in visionox_r66451_disable()
227 	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);  in visionox_r66451_disable()
237 static int visionox_r66451_get_modes(struct drm_panel *panel,  in visionox_r66451_get_modes()  argument
254 	struct mipi_dsi_device *dsi = bl_get_data(bl);  in visionox_r66451_bl_update_status()  local
257 	return mipi_dsi_dcs_set_display_brightness(dsi, brightness);  in visionox_r66451_bl_update_status()
265 visionox_r66451_create_backlight(struct mipi_dsi_device *dsi)  in visionox_r66451_create_backlight()  argument
267 	struct device *dev = &dsi->dev;  in visionox_r66451_create_backlight()
274 	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,  in visionox_r66451_create_backlight()
278 static int visionox_r66451_probe(struct mipi_dsi_device *dsi)  in visionox_r66451_probe()  argument
280 	struct device *dev = &dsi->dev;  in visionox_r66451_probe()
287 		return -ENOMEM;  in visionox_r66451_probe()
291 		return -ENOMEM;  in visionox_r66451_probe()
294 	dsc->dsc_version_major = 0x1;  in visionox_r66451_probe()
295 	dsc->dsc_version_minor = 0x2;  in visionox_r66451_probe()
297 	dsc->slice_height = 20;  in visionox_r66451_probe()
298 	dsc->slice_width = 540;  in visionox_r66451_probe()
299 	dsc->slice_count = 2;  in visionox_r66451_probe()
300 	dsc->bits_per_component = 8;  in visionox_r66451_probe()
301 	dsc->bits_per_pixel = 8 << 4;  in visionox_r66451_probe()
302 	dsc->block_pred_enable = true;  in visionox_r66451_probe()
304 	dsi->dsc = dsc;  in visionox_r66451_probe()
306 	ctx->supplies[0].supply = "vddio";  in visionox_r66451_probe()
307 	ctx->supplies[1].supply = "vdd";  in visionox_r66451_probe()
309 	ret = devm_regulator_bulk_get(&dsi->dev, ARRAY_SIZE(ctx->supplies),  in visionox_r66451_probe()
310 			ctx->supplies);  in visionox_r66451_probe()
315 	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);  in visionox_r66451_probe()
316 	if (IS_ERR(ctx->reset_gpio))  in visionox_r66451_probe()
317 		return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "Failed to get reset-gpios\n");  in visionox_r66451_probe()
319 	ctx->dsi = dsi;  in visionox_r66451_probe()
320 	mipi_dsi_set_drvdata(dsi, ctx);  in visionox_r66451_probe()
322 	dsi->lanes = 4;  in visionox_r66451_probe()
323 	dsi->format = MIPI_DSI_FMT_RGB888;  in visionox_r66451_probe()
324 	dsi->mode_flags = MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS;  in visionox_r66451_probe()
325 	ctx->panel.prepare_prev_first = true;  in visionox_r66451_probe()
327 	drm_panel_init(&ctx->panel, dev, &visionox_r66451_funcs, DRM_MODE_CONNECTOR_DSI);  in visionox_r66451_probe()
328 	ctx->panel.backlight = visionox_r66451_create_backlight(dsi);  in visionox_r66451_probe()
329 	if (IS_ERR(ctx->panel.backlight))  in visionox_r66451_probe()
330 		return dev_err_probe(dev, PTR_ERR(ctx->panel.backlight),  in visionox_r66451_probe()
333 	drm_panel_add(&ctx->panel);  in visionox_r66451_probe()
335 	ret = mipi_dsi_attach(dsi);  in visionox_r66451_probe()
337 		dev_err(dev, "Failed to attach to DSI host: %d\n", ret);  in visionox_r66451_probe()
338 		drm_panel_remove(&ctx->panel);  in visionox_r66451_probe()
344 static void visionox_r66451_remove(struct mipi_dsi_device *dsi)  in visionox_r66451_remove()  argument
346 	struct visionox_r66451 *ctx = mipi_dsi_get_drvdata(dsi);  in visionox_r66451_remove()
349 	ret = mipi_dsi_detach(dsi);  in visionox_r66451_remove()
351 		dev_err(&dsi->dev, "Failed to detach DSI host: %d\n", ret);  in visionox_r66451_remove()
353 	drm_panel_remove(&ctx->panel);  in visionox_r66451_remove()
366 		.name = "panel-visionox-r66451",
374 MODULE_DESCRIPTION("Panel driver for the Visionox R66451 AMOLED DSI panel");