12 #include "panel.h"
86 	np = of_find_node_by_name(dsi_np, "rk628-panel");  in dsi_panel_get_cmds()
90 	data = of_get_property(np, "panel-init-sequence", &len);  in dsi_panel_get_cmds()
92 		rk628->panel->on_cmds = kcalloc(1, sizeof(struct panel_cmds), GFP_KERNEL);  in dsi_panel_get_cmds()
93 		if (!rk628->panel->on_cmds)  in dsi_panel_get_cmds()
96 		err = dsi_panel_parse_cmds(data, len, rk628->panel->on_cmds);  in dsi_panel_get_cmds()
98 			dev_err(rk628->dev, "failed to parse dsi panel init sequence\n");  in dsi_panel_get_cmds()
104 	data = of_get_property(np, "panel-exit-sequence", &len);  in dsi_panel_get_cmds()
106 		rk628->panel->off_cmds = kcalloc(1, sizeof(struct panel_cmds), GFP_KERNEL);  in dsi_panel_get_cmds()
107 		if (!rk628->panel->off_cmds) {  in dsi_panel_get_cmds()
112 		err = dsi_panel_parse_cmds(data, len, rk628->panel->off_cmds);  in dsi_panel_get_cmds()
114 			dev_err(rk628->dev, "failed to parse dsi panel exit sequence\n");  in dsi_panel_get_cmds()
123 	kfree(rk628->panel->off_cmds);  in dsi_panel_get_cmds()
125 	kfree(rk628->panel->on_cmds->cmds);  in dsi_panel_get_cmds()
126 	kfree(rk628->panel->on_cmds->buf);  in dsi_panel_get_cmds()
128 	kfree(rk628->panel->on_cmds);  in dsi_panel_get_cmds()
135 	struct panel_simple *panel;  in rk628_panel_info_get()  local
140 	panel = devm_kzalloc(dev, sizeof(struct panel_simple), GFP_KERNEL);  in rk628_panel_info_get()
141 	if (!panel)  in rk628_panel_info_get()
144 	panel->supply = devm_regulator_get(dev, "power");  in rk628_panel_info_get()
145 	if (IS_ERR(panel->supply)) {  in rk628_panel_info_get()
146 		ret = PTR_ERR(panel->supply);  in rk628_panel_info_get()
151 	panel->enable_gpio = devm_gpiod_get_optional(dev, "panel-enable", GPIOD_OUT_LOW);  in rk628_panel_info_get()
152 	if (IS_ERR(panel->enable_gpio)) {  in rk628_panel_info_get()
153 		ret = PTR_ERR(panel->enable_gpio);  in rk628_panel_info_get()
154 		dev_err(dev, "failed to request panel enable GPIO: %d\n", ret);  in rk628_panel_info_get()
158 	panel->reset_gpio = devm_gpiod_get_optional(dev, "panel-reset", GPIOD_OUT_LOW);  in rk628_panel_info_get()
159 	if (IS_ERR(panel->reset_gpio)) {  in rk628_panel_info_get()
160 		ret = PTR_ERR(panel->reset_gpio);  in rk628_panel_info_get()
161 		dev_err(dev, "failed to request panel reset GPIO: %d\n", ret);  in rk628_panel_info_get()
165 	backlight = of_parse_phandle(dev->of_node, "panel-backlight", 0);  in rk628_panel_info_get()
167 		panel->backlight = of_find_backlight_by_node(backlight);  in rk628_panel_info_get()
170 		if (!panel->backlight) {  in rk628_panel_info_get()
177 	rk628->panel = panel;  in rk628_panel_info_get()
194 	if (rk628->panel->supply) {  in rk628_panel_prepare()
195 		ret = regulator_enable(rk628->panel->supply);  in rk628_panel_prepare()
197 			dev_info(rk628->dev, "failed to enable panel power supply\n");  in rk628_panel_prepare()
200 	if (rk628->panel->enable_gpio) {  in rk628_panel_prepare()
201 		gpiod_set_value(rk628->panel->enable_gpio, 0);  in rk628_panel_prepare()
203 		gpiod_set_value(rk628->panel->enable_gpio, 1);  in rk628_panel_prepare()
207 	if (rk628->panel->reset_gpio) {  in rk628_panel_prepare()
208 		gpiod_set_value(rk628->panel->reset_gpio, 0);  in rk628_panel_prepare()
210 		gpiod_set_value(rk628->panel->reset_gpio, 1);  in rk628_panel_prepare()
212 		gpiod_set_value(rk628->panel->reset_gpio, 0);  in rk628_panel_prepare()
219 	if (rk628->panel->backlight)  in rk628_panel_enable()
220 		backlight_enable(rk628->panel->backlight);  in rk628_panel_enable()
226 	if (rk628->panel->reset_gpio) {  in rk628_panel_unprepare()
227 		gpiod_set_value(rk628->panel->reset_gpio, 1);  in rk628_panel_unprepare()
231 	if (rk628->panel->enable_gpio) {  in rk628_panel_unprepare()
232 		gpiod_set_value(rk628->panel->enable_gpio, 0);  in rk628_panel_unprepare()
236 	if (rk628->panel->supply)  in rk628_panel_unprepare()
237 		regulator_disable(rk628->panel->supply);  in rk628_panel_unprepare()
242 	if (rk628->panel->backlight)  in rk628_panel_disable()
243 		backlight_disable(rk628->panel->backlight);  in rk628_panel_disable()