99 struct st7701 {  struct
109 static inline struct st7701 *panel_to_st7701(struct drm_panel *panel)  in panel_to_st7701()  argument
111 	return container_of(panel, struct st7701, panel);  in panel_to_st7701()
114 static inline int st7701_dsi_write(struct st7701 *st7701, const void *seq,  in st7701_dsi_write()  argument
117 	return mipi_dsi_dcs_write_buffer(st7701->dsi, seq, len);  in st7701_dsi_write()
120 #define ST7701_DSI(st7701, seq...)				\  argument
123 		st7701_dsi_write(st7701, d, ARRAY_SIZE(d));	\
126 static void st7701_init_sequence(struct st7701 *st7701)  in st7701_init_sequence()  argument
128 	const struct drm_display_mode *mode = st7701->desc->mode;  in st7701_init_sequence()
130 	ST7701_DSI(st7701, MIPI_DCS_SOFT_RESET, 0x00);  in st7701_init_sequence()
135 	ST7701_DSI(st7701, MIPI_DCS_EXIT_SLEEP_MODE, 0x00);  in st7701_init_sequence()
137 	msleep(st7701->sleep_delay);  in st7701_init_sequence()
140 	ST7701_DSI(st7701, DSI_CMD2BKX_SEL,  in st7701_init_sequence()
142 	ST7701_DSI(st7701, DSI_CMD2_BK0_PVGAMCTRL, 0x00, 0x0E, 0x15, 0x0F,  in st7701_init_sequence()
145 	ST7701_DSI(st7701, DSI_CMD2_BK0_NVGAMCTRL, 0x00, 0x0E, 0x95, 0x0F,  in st7701_init_sequence()
148 	ST7701_DSI(st7701, DSI_CMD2_BK0_LNESET,  in st7701_init_sequence()
150 	ST7701_DSI(st7701, DSI_CMD2_BK0_PORCTRL,  in st7701_init_sequence()
153 	ST7701_DSI(st7701, DSI_CMD2_BK0_INVSEL,  in st7701_init_sequence()
157 	ST7701_DSI(st7701, DSI_CMD2BKX_SEL,  in st7701_init_sequence()
159 	ST7701_DSI(st7701, DSI_CMD2_BK1_VRHS, DSI_CMD2_BK1_VRHA_SET);  in st7701_init_sequence()
160 	ST7701_DSI(st7701, DSI_CMD2_BK1_VCOM, DSI_CMD2_BK1_VCOM_SET);  in st7701_init_sequence()
161 	ST7701_DSI(st7701, DSI_CMD2_BK1_VGHSS, DSI_CMD2_BK1_VGHSS_SET);  in st7701_init_sequence()
162 	ST7701_DSI(st7701, DSI_CMD2_BK1_TESTCMD, DSI_CMD2_BK1_TESTCMD_VAL);  in st7701_init_sequence()
163 	ST7701_DSI(st7701, DSI_CMD2_BK1_VGLS, DSI_CMD2_BK1_VGLS_SET);  in st7701_init_sequence()
164 	ST7701_DSI(st7701, DSI_CMD2_BK1_PWCTLR1, DSI_CMD2_BK1_PWCTLR1_SET);  in st7701_init_sequence()
165 	ST7701_DSI(st7701, DSI_CMD2_BK1_PWCTLR2, DSI_CMD2_BK1_PWCTLR2_SET);  in st7701_init_sequence()
166 	ST7701_DSI(st7701, DSI_CMD2_BK1_SPD1, DSI_CMD2_BK1_SPD1_SET);  in st7701_init_sequence()
167 	ST7701_DSI(st7701, DSI_CMD2_BK1_SPD2, DSI_CMD2_BK1_SPD2_SET);  in st7701_init_sequence()
168 	ST7701_DSI(st7701, DSI_CMD2_BK1_MIPISET1, DSI_CMD2_BK1_MIPISET1_SET);  in st7701_init_sequence()
174 	ST7701_DSI(st7701, 0xE0, 0x00, 0x00, 0x02);  in st7701_init_sequence()
175 	ST7701_DSI(st7701, 0xE1, 0x0B, 0x00, 0x0D, 0x00, 0x0C, 0x00, 0x0E,  in st7701_init_sequence()
177 	ST7701_DSI(st7701, 0xE2, 0x33, 0x33, 0x44, 0x44, 0x64, 0x00, 0x66,  in st7701_init_sequence()
179 	ST7701_DSI(st7701, 0xE3, 0x00, 0x00, 0x33, 0x33);  in st7701_init_sequence()
180 	ST7701_DSI(st7701, 0xE4, 0x44, 0x44);  in st7701_init_sequence()
181 	ST7701_DSI(st7701, 0xE5, 0x0C, 0x78, 0x3C, 0xA0, 0x0E, 0x78, 0x3C,  in st7701_init_sequence()
183 	ST7701_DSI(st7701, 0xE6, 0x00, 0x00, 0x33, 0x33);  in st7701_init_sequence()
184 	ST7701_DSI(st7701, 0xE7, 0x44, 0x44);  in st7701_init_sequence()
185 	ST7701_DSI(st7701, 0xE8, 0x0D, 0x78, 0x3C, 0xA0, 0x0F, 0x78, 0x3C,  in st7701_init_sequence()
187 	ST7701_DSI(st7701, 0xEB, 0x02, 0x02, 0x39, 0x39, 0xEE, 0x44, 0x00);  in st7701_init_sequence()
188 	ST7701_DSI(st7701, 0xEC, 0x00, 0x00);  in st7701_init_sequence()
189 	ST7701_DSI(st7701, 0xED, 0xFF, 0xF1, 0x04, 0x56, 0x72, 0x3F, 0xFF,  in st7701_init_sequence()
193 	ST7701_DSI(st7701, DSI_CMD2BKX_SEL,  in st7701_init_sequence()
199 	struct st7701 *st7701 = panel_to_st7701(panel);  in st7701_prepare()  local
202 	gpiod_set_value(st7701->reset, 0);  in st7701_prepare()
204 	ret = regulator_bulk_enable(st7701->desc->num_supplies,  in st7701_prepare()
205 				    st7701->supplies);  in st7701_prepare()
210 	gpiod_set_value(st7701->reset, 1);  in st7701_prepare()
213 	st7701_init_sequence(st7701);  in st7701_prepare()
220 	struct st7701 *st7701 = panel_to_st7701(panel);  in st7701_enable()  local
222 	ST7701_DSI(st7701, MIPI_DCS_SET_DISPLAY_ON, 0x00);  in st7701_enable()
229 	struct st7701 *st7701 = panel_to_st7701(panel);  in st7701_disable()  local
231 	ST7701_DSI(st7701, MIPI_DCS_SET_DISPLAY_OFF, 0x00);  in st7701_disable()
238 	struct st7701 *st7701 = panel_to_st7701(panel);  in st7701_unprepare()  local
240 	ST7701_DSI(st7701, MIPI_DCS_ENTER_SLEEP_MODE, 0x00);  in st7701_unprepare()
242 	msleep(st7701->sleep_delay);  in st7701_unprepare()
244 	gpiod_set_value(st7701->reset, 0);  in st7701_unprepare()
255 	msleep(st7701->sleep_delay);  in st7701_unprepare()
257 	regulator_bulk_disable(st7701->desc->num_supplies, st7701->supplies);  in st7701_unprepare()
265 	struct st7701 *st7701 = panel_to_st7701(panel);  in st7701_get_modes()  local
266 	const struct drm_display_mode *desc_mode = st7701->desc->mode;  in st7701_get_modes()
271 		dev_err(&st7701->dsi->dev, "failed to add mode %ux%u@%u\n",  in st7701_get_modes()
331 	struct st7701 *st7701;  in st7701_dsi_probe()  local
334 	st7701 = devm_kzalloc(&dsi->dev, sizeof(*st7701), GFP_KERNEL);  in st7701_dsi_probe()
335 	if (!st7701)  in st7701_dsi_probe()
343 	st7701->supplies = devm_kcalloc(&dsi->dev, desc->num_supplies,  in st7701_dsi_probe()
344 					sizeof(*st7701->supplies),  in st7701_dsi_probe()
346 	if (!st7701->supplies)  in st7701_dsi_probe()
350 		st7701->supplies[i].supply = desc->supply_names[i];  in st7701_dsi_probe()
353 				      st7701->supplies);  in st7701_dsi_probe()
357 	st7701->reset = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_LOW);  in st7701_dsi_probe()
358 	if (IS_ERR(st7701->reset)) {  in st7701_dsi_probe()
360 		return PTR_ERR(st7701->reset);  in st7701_dsi_probe()
363 	drm_panel_init(&st7701->panel, &dsi->dev, &st7701_funcs,  in st7701_dsi_probe()
367 	 * Once sleep out has been issued, ST7701 IC required to wait 120ms  in st7701_dsi_probe()
375 	st7701->sleep_delay = 120 + desc->panel_sleep_delay;  in st7701_dsi_probe()
377 	ret = drm_panel_of_backlight(&st7701->panel);  in st7701_dsi_probe()
381 	drm_panel_add(&st7701->panel);  in st7701_dsi_probe()
383 	mipi_dsi_set_drvdata(dsi, st7701);  in st7701_dsi_probe()
384 	st7701->dsi = dsi;  in st7701_dsi_probe()
385 	st7701->desc = desc;  in st7701_dsi_probe()
392 	struct st7701 *st7701 = mipi_dsi_get_drvdata(dsi);  in st7701_dsi_remove()  local
395 	drm_panel_remove(&st7701->panel);  in st7701_dsi_remove()
410 		.name		= "st7701",
417 MODULE_DESCRIPTION("Sitronix ST7701 LCD Panel Driver");