5  * Copyright (C) 2005-2008 Michael Buesch <m@bues.ch>
6  * Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
29 		pos += scnprintf(buf + pos, buf_len - pos - 1,  in sprom2hex()
31 	pos += scnprintf(buf + pos, buf_len - pos - 1, "\n");  in sprom2hex()
45 		c = dump[len - 1];  in hex2sprom()
48 		len--;  in hex2sprom()
52 		return -EINVAL;  in hex2sprom()
66 /* Common sprom device-attribute show-handler */
67 ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf,  in ssb_attr_sprom_show()  argument
68 			    int (*sprom_read)(struct ssb_bus *bus, u16 *sprom))  in ssb_attr_sprom_show()  argument
71 	int err = -ENOMEM;  in ssb_attr_sprom_show()
73 	size_t sprom_size_words = bus->sprom_size;  in ssb_attr_sprom_show()
83 	err = -ERESTARTSYS;  in ssb_attr_sprom_show()
84 	if (mutex_lock_interruptible(&bus->sprom_mutex))  in ssb_attr_sprom_show()
86 	err = sprom_read(bus, sprom);  in ssb_attr_sprom_show()
87 	mutex_unlock(&bus->sprom_mutex);  in ssb_attr_sprom_show()
98 /* Common sprom device-attribute store-handler */
99 ssize_t ssb_attr_sprom_store(struct ssb_bus *bus,  in ssb_attr_sprom_store()  argument
102 			     int (*sprom_write)(struct ssb_bus *bus, const u16 *sprom))  in ssb_attr_sprom_store()  argument
105 	int res = 0, err = -ENOMEM;  in ssb_attr_sprom_store()
106 	size_t sprom_size_words = bus->sprom_size;  in ssb_attr_sprom_store()
109 	sprom = kcalloc(bus->sprom_size, sizeof(u16), GFP_KERNEL);  in ssb_attr_sprom_store()
114 		err = -EINVAL;  in ssb_attr_sprom_store()
119 		err = -EINVAL;  in ssb_attr_sprom_store()
127 	err = -ERESTARTSYS;  in ssb_attr_sprom_store()
128 	if (mutex_lock_interruptible(&bus->sprom_mutex))  in ssb_attr_sprom_store()
130 	err = ssb_devices_freeze(bus, &freeze);  in ssb_attr_sprom_store()
135 	res = sprom_write(bus, sprom);  in ssb_attr_sprom_store()
140 	mutex_unlock(&bus->sprom_mutex);  in ssb_attr_sprom_store()
150  * ssb_arch_register_fallback_sprom - Registers a method providing a
160  * This function is useful for weird architectures that have a half-assed
161  * SSB device hardwired to their PCI bus.
171 int ssb_arch_register_fallback_sprom(int (*sprom_callback)(struct ssb_bus *bus,  in ssb_arch_register_fallback_sprom()  argument
175 		return -EEXIST;  in ssb_arch_register_fallback_sprom()
181 int ssb_fill_sprom_with_fallback(struct ssb_bus *bus, struct ssb_sprom *out)  in ssb_fill_sprom_with_fallback()  argument
184 		return -ENOENT;  in ssb_fill_sprom_with_fallback()
186 	return get_fallback_sprom(bus, out);  in ssb_fill_sprom_with_fallback()
189 /* https://bcm-v4.sipsolutions.net/802.11/IsSpromAvailable */
190 bool ssb_is_sprom_available(struct ssb_bus *bus)  in ssb_is_sprom_available()  argument
198 	if (bus->bustype == SSB_BUSTYPE_PCI &&  in ssb_is_sprom_available()
199 	    bus->chipco.dev &&	/* can be unavailable! */  in ssb_is_sprom_available()
200 	    bus->chipco.dev->id.revision >= 31)  in ssb_is_sprom_available()
201 		return bus->chipco.capabilities & SSB_CHIPCO_CAP_SPROM;  in ssb_is_sprom_available()