1 // SPDX-License-Identifier: GPL-2.0-only
2 /* leds-sunfire.c: SUNW,Ultra-Enterprise LED driver.
31 			     enum led_brightness led_val, u8 bit)  in __clockboard_set()
34 	u8 reg = upa_readb(p->reg);  in __clockboard_set()
51 	upa_writeb(reg, p->reg);  in __clockboard_set()
55 				enum led_brightness led_val)  in clockboard_left_set()
61 				  enum led_brightness led_val)  in clockboard_middle_set()
67 				 enum led_brightness led_val)  in clockboard_right_set()
73 			     enum led_brightness led_val, u32 bit)  in __fhc_set()
76 	u32 reg = upa_readl(p->reg);  in __fhc_set()
93 	upa_writel(reg, p->reg);  in __fhc_set()
97 			 enum led_brightness led_val)  in fhc_left_set()
103 			   enum led_brightness led_val)  in fhc_middle_set()
109 			  enum led_brightness led_val)  in fhc_right_set()
114 typedef void (*set_handler)(struct led_classdev *, enum led_brightness);
116 	const char	*name;  member
132 	if (pdev->num_resources != 1) {  in sunfire_led_generic_probe()
133 		dev_err(&pdev->dev, "Wrong number of resources %d, should be 1\n",  in sunfire_led_generic_probe()
134 		       pdev->num_resources);  in sunfire_led_generic_probe()
135 		return -EINVAL;  in sunfire_led_generic_probe()
138 	p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL);  in sunfire_led_generic_probe()
140 		return -ENOMEM;  in sunfire_led_generic_probe()
143 		struct led_classdev *lp = &p->leds[i].led_cdev;  in sunfire_led_generic_probe()
145 		p->leds[i].reg = (void __iomem *) pdev->resource[0].start;  in sunfire_led_generic_probe()
146 		lp->name = types[i].name;  in sunfire_led_generic_probe()
147 		lp->brightness = LED_FULL;  in sunfire_led_generic_probe()
148 		lp->brightness_set = types[i].handler;  in sunfire_led_generic_probe()
149 		lp->default_trigger = types[i].default_trigger;  in sunfire_led_generic_probe()
151 		err = led_classdev_register(&pdev->dev, lp);  in sunfire_led_generic_probe()
153 			dev_err(&pdev->dev, "Could not register %s LED\n",  in sunfire_led_generic_probe()
154 			       lp->name);  in sunfire_led_generic_probe()
155 			for (i--; i >= 0; i--)  in sunfire_led_generic_probe()
156 				led_classdev_unregister(&p->leds[i].led_cdev);  in sunfire_led_generic_probe()
172 		led_classdev_unregister(&p->leds[i].led_cdev);  in sunfire_led_generic_remove()
177 		.name		= "clockboard-left",
181 		.name		= "clockboard-middle",
185 		.name		= "clockboard-right",
198 		.name		= "fhc-left",
202 		.name		= "fhc-middle",
206 		.name		= "fhc-right",
217 MODULE_ALIAS("platform:sunfire-clockboard-leds");
218 MODULE_ALIAS("platform:sunfire-fhc-leds");
224 		.name	= "sunfire-clockboard-leds",
232 		.name	= "sunfire-fhc-leds",