1 // SPDX-License-Identifier: GPL-2.0-only
15 	struct drm_panel panel;  member
16 	struct mipi_dsi_device *dsi;  member
22 static inline struct tm5p5_nt35596 *to_tm5p5_nt35596(struct drm_panel *panel)  in to_tm5p5_nt35596()  argument
24 	return container_of(panel, struct tm5p5_nt35596, panel);  in to_tm5p5_nt35596()
27 #define dsi_generic_write_seq(dsi, seq...) do {				\  argument
30 		ret = mipi_dsi_generic_write(dsi, d, ARRAY_SIZE(d));	\
35 #define dsi_dcs_write_seq(dsi, seq...) do {				\  argument
38 		ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d));	\
45 	gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in tm5p5_nt35596_reset()
47 	gpiod_set_value_cansleep(ctx->reset_gpio, 0);  in tm5p5_nt35596_reset()
49 	gpiod_set_value_cansleep(ctx->reset_gpio, 1);  in tm5p5_nt35596_reset()
55 	struct mipi_dsi_device *dsi = ctx->dsi;  in tm5p5_nt35596_on()  local
57 	dsi_generic_write_seq(dsi, 0xff, 0x05);  in tm5p5_nt35596_on()
58 	dsi_generic_write_seq(dsi, 0xfb, 0x01);  in tm5p5_nt35596_on()
59 	dsi_generic_write_seq(dsi, 0xc5, 0x31);  in tm5p5_nt35596_on()
60 	dsi_generic_write_seq(dsi, 0xff, 0x04);  in tm5p5_nt35596_on()
61 	dsi_generic_write_seq(dsi, 0x01, 0x84);  in tm5p5_nt35596_on()
62 	dsi_generic_write_seq(dsi, 0x05, 0x25);  in tm5p5_nt35596_on()
63 	dsi_generic_write_seq(dsi, 0x06, 0x01);  in tm5p5_nt35596_on()
64 	dsi_generic_write_seq(dsi, 0x07, 0x20);  in tm5p5_nt35596_on()
65 	dsi_generic_write_seq(dsi, 0x08, 0x06);  in tm5p5_nt35596_on()
66 	dsi_generic_write_seq(dsi, 0x09, 0x08);  in tm5p5_nt35596_on()
67 	dsi_generic_write_seq(dsi, 0x0a, 0x10);  in tm5p5_nt35596_on()
68 	dsi_generic_write_seq(dsi, 0x0b, 0x10);  in tm5p5_nt35596_on()
69 	dsi_generic_write_seq(dsi, 0x0c, 0x10);  in tm5p5_nt35596_on()
70 	dsi_generic_write_seq(dsi, 0x0d, 0x14);  in tm5p5_nt35596_on()
71 	dsi_generic_write_seq(dsi, 0x0e, 0x14);  in tm5p5_nt35596_on()
72 	dsi_generic_write_seq(dsi, 0x0f, 0x14);  in tm5p5_nt35596_on()
73 	dsi_generic_write_seq(dsi, 0x10, 0x14);  in tm5p5_nt35596_on()
74 	dsi_generic_write_seq(dsi, 0x11, 0x14);  in tm5p5_nt35596_on()
75 	dsi_generic_write_seq(dsi, 0x12, 0x14);  in tm5p5_nt35596_on()
76 	dsi_generic_write_seq(dsi, 0x17, 0xf3);  in tm5p5_nt35596_on()
77 	dsi_generic_write_seq(dsi, 0x18, 0xc0);  in tm5p5_nt35596_on()
78 	dsi_generic_write_seq(dsi, 0x19, 0xc0);  in tm5p5_nt35596_on()
79 	dsi_generic_write_seq(dsi, 0x1a, 0xc0);  in tm5p5_nt35596_on()
80 	dsi_generic_write_seq(dsi, 0x1b, 0xb3);  in tm5p5_nt35596_on()
81 	dsi_generic_write_seq(dsi, 0x1c, 0xb3);  in tm5p5_nt35596_on()
82 	dsi_generic_write_seq(dsi, 0x1d, 0xb3);  in tm5p5_nt35596_on()
83 	dsi_generic_write_seq(dsi, 0x1e, 0xb3);  in tm5p5_nt35596_on()
84 	dsi_generic_write_seq(dsi, 0x1f, 0xb3);  in tm5p5_nt35596_on()
85 	dsi_generic_write_seq(dsi, 0x20, 0xb3);  in tm5p5_nt35596_on()
86 	dsi_generic_write_seq(dsi, 0xfb, 0x01);  in tm5p5_nt35596_on()
87 	dsi_generic_write_seq(dsi, 0xff, 0x00);  in tm5p5_nt35596_on()
88 	dsi_generic_write_seq(dsi, 0xfb, 0x01);  in tm5p5_nt35596_on()
89 	dsi_generic_write_seq(dsi, 0x35, 0x01);  in tm5p5_nt35596_on()
90 	dsi_generic_write_seq(dsi, 0xd3, 0x06);  in tm5p5_nt35596_on()
91 	dsi_generic_write_seq(dsi, 0xd4, 0x04);  in tm5p5_nt35596_on()
92 	dsi_generic_write_seq(dsi, 0x5e, 0x0d);  in tm5p5_nt35596_on()
93 	dsi_generic_write_seq(dsi, 0x11, 0x00);  in tm5p5_nt35596_on()
95 	dsi_generic_write_seq(dsi, 0x29, 0x00);  in tm5p5_nt35596_on()
96 	dsi_generic_write_seq(dsi, 0x53, 0x24);  in tm5p5_nt35596_on()
103 	struct mipi_dsi_device *dsi = ctx->dsi;  in tm5p5_nt35596_off()  local
104 	struct device *dev = &dsi->dev;  in tm5p5_nt35596_off()
107 	ret = mipi_dsi_dcs_set_display_off(dsi);  in tm5p5_nt35596_off()
114 	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);  in tm5p5_nt35596_off()
120 	dsi_dcs_write_seq(dsi, 0x4f, 0x01);  in tm5p5_nt35596_off()
125 static int tm5p5_nt35596_prepare(struct drm_panel *panel)  in tm5p5_nt35596_prepare()  argument
127 	struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel);  in tm5p5_nt35596_prepare()
128 	struct device *dev = &ctx->dsi->dev;  in tm5p5_nt35596_prepare()
131 	if (ctx->prepared)  in tm5p5_nt35596_prepare()
134 	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);  in tm5p5_nt35596_prepare()
144 		dev_err(dev, "Failed to initialize panel: %d\n", ret);  in tm5p5_nt35596_prepare()
145 		gpiod_set_value_cansleep(ctx->reset_gpio, 0);  in tm5p5_nt35596_prepare()
146 		regulator_bulk_disable(ARRAY_SIZE(ctx->supplies),  in tm5p5_nt35596_prepare()
147 				       ctx->supplies);  in tm5p5_nt35596_prepare()
151 	ctx->prepared = true;  in tm5p5_nt35596_prepare()
155 static int tm5p5_nt35596_unprepare(struct drm_panel *panel)  in tm5p5_nt35596_unprepare()  argument
157 	struct tm5p5_nt35596 *ctx = to_tm5p5_nt35596(panel);  in tm5p5_nt35596_unprepare()
158 	struct device *dev = &ctx->dsi->dev;  in tm5p5_nt35596_unprepare()
161 	if (!ctx->prepared)  in tm5p5_nt35596_unprepare()
166 		dev_err(dev, "Failed to un-initialize panel: %d\n", ret);  in tm5p5_nt35596_unprepare()
168 	gpiod_set_value_cansleep(ctx->reset_gpio, 0);  in tm5p5_nt35596_unprepare()
169 	regulator_bulk_disable(ARRAY_SIZE(ctx->supplies),  in tm5p5_nt35596_unprepare()
170 			       ctx->supplies);  in tm5p5_nt35596_unprepare()
172 	ctx->prepared = false;  in tm5p5_nt35596_unprepare()
190 static int tm5p5_nt35596_get_modes(struct drm_panel *panel,  in tm5p5_nt35596_get_modes()  argument
195 	mode = drm_mode_duplicate(connector->dev, &tm5p5_nt35596_mode);  in tm5p5_nt35596_get_modes()
197 		return -ENOMEM;  in tm5p5_nt35596_get_modes()
201 	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;  in tm5p5_nt35596_get_modes()
202 	connector->display_info.width_mm = mode->width_mm;  in tm5p5_nt35596_get_modes()
203 	connector->display_info.height_mm = mode->height_mm;  in tm5p5_nt35596_get_modes()
217 	struct mipi_dsi_device *dsi = bl_get_data(bl);  in tm5p5_nt35596_bl_update_status()  local
218 	u16 brightness = bl->props.brightness;  in tm5p5_nt35596_bl_update_status()
221 	if (bl->props.power != FB_BLANK_UNBLANK ||  in tm5p5_nt35596_bl_update_status()
222 	    bl->props.fb_blank != FB_BLANK_UNBLANK ||  in tm5p5_nt35596_bl_update_status()
223 	    bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))  in tm5p5_nt35596_bl_update_status()
226 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in tm5p5_nt35596_bl_update_status()
228 	ret = mipi_dsi_dcs_set_display_brightness(dsi, brightness);  in tm5p5_nt35596_bl_update_status()
232 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in tm5p5_nt35596_bl_update_status()
239 	struct mipi_dsi_device *dsi = bl_get_data(bl);  in tm5p5_nt35596_bl_get_brightness()  local
240 	u16 brightness = bl->props.brightness;  in tm5p5_nt35596_bl_get_brightness()
243 	dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;  in tm5p5_nt35596_bl_get_brightness()
245 	ret = mipi_dsi_dcs_get_display_brightness(dsi, &brightness);  in tm5p5_nt35596_bl_get_brightness()
249 	dsi->mode_flags |= MIPI_DSI_MODE_LPM;  in tm5p5_nt35596_bl_get_brightness()
260 tm5p5_nt35596_create_backlight(struct mipi_dsi_device *dsi)  in tm5p5_nt35596_create_backlight()  argument
262 	struct device *dev = &dsi->dev;  in tm5p5_nt35596_create_backlight()
269 	return devm_backlight_device_register(dev, dev_name(dev), dev, dsi,  in tm5p5_nt35596_create_backlight()
273 static int tm5p5_nt35596_probe(struct mipi_dsi_device *dsi)  in tm5p5_nt35596_probe()  argument
275 	struct device *dev = &dsi->dev;  in tm5p5_nt35596_probe()
281 		return -ENOMEM;  in tm5p5_nt35596_probe()
283 	ctx->supplies[0].supply = "vdd";  in tm5p5_nt35596_probe()
284 	ctx->supplies[1].supply = "vddio";  in tm5p5_nt35596_probe()
285 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),  in tm5p5_nt35596_probe()
286 				      ctx->supplies);  in tm5p5_nt35596_probe()
292 	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);  in tm5p5_nt35596_probe()
293 	if (IS_ERR(ctx->reset_gpio)) {  in tm5p5_nt35596_probe()
294 		ret = PTR_ERR(ctx->reset_gpio);  in tm5p5_nt35596_probe()
295 		dev_err(dev, "Failed to get reset-gpios: %d\n", ret);  in tm5p5_nt35596_probe()
299 	ctx->dsi = dsi;  in tm5p5_nt35596_probe()
300 	mipi_dsi_set_drvdata(dsi, ctx);  in tm5p5_nt35596_probe()
302 	dsi->lanes = 4;  in tm5p5_nt35596_probe()
303 	dsi->format = MIPI_DSI_FMT_RGB888;  in tm5p5_nt35596_probe()
304 	dsi->mode_flags = MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_BURST |  in tm5p5_nt35596_probe()
308 	drm_panel_init(&ctx->panel, dev, &tm5p5_nt35596_panel_funcs,  in tm5p5_nt35596_probe()
311 	ctx->panel.backlight = tm5p5_nt35596_create_backlight(dsi);  in tm5p5_nt35596_probe()
312 	if (IS_ERR(ctx->panel.backlight)) {  in tm5p5_nt35596_probe()
313 		ret = PTR_ERR(ctx->panel.backlight);  in tm5p5_nt35596_probe()
318 	drm_panel_add(&ctx->panel);  in tm5p5_nt35596_probe()
320 	ret = mipi_dsi_attach(dsi);  in tm5p5_nt35596_probe()
322 		dev_err(dev, "Failed to attach to DSI host: %d\n", ret);  in tm5p5_nt35596_probe()
329 static int tm5p5_nt35596_remove(struct mipi_dsi_device *dsi)  in tm5p5_nt35596_remove()  argument
331 	struct tm5p5_nt35596 *ctx = mipi_dsi_get_drvdata(dsi);  in tm5p5_nt35596_remove()
334 	ret = mipi_dsi_detach(dsi);  in tm5p5_nt35596_remove()
336 		dev_err(&dsi->dev,  in tm5p5_nt35596_remove()
337 			"Failed to detach from DSI host: %d\n", ret);  in tm5p5_nt35596_remove()
339 	drm_panel_remove(&ctx->panel);  in tm5p5_nt35596_remove()
345 	{ .compatible = "asus,z00t-tm5p5-n35596" },
354 		.name = "panel-tm5p5-nt35596",
361 MODULE_DESCRIPTION("DRM driver for tm5p5 nt35596 1080p video mode dsi panel");