2 * Broadcom specific AMBA
5 * Licensed under the GNU/GPL. See COPYING for details.
8 #include "bcma_private.h"
9 #include <linux/bcma/bcma.h>
11 MODULE_DESCRIPTION("Broadcom's specific AMBA driver");
12 MODULE_LICENSE("GPL");
14 static int bcma_bus_match(struct device *dev, struct device_driver *drv);
15 static int bcma_device_probe(struct device *dev);
16 static int bcma_device_remove(struct device *dev);
18 static ssize_t manuf_show(struct device *dev, struct device_attribute *attr, char *buf)
20 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
21 return sprintf(buf, "0x%03X\n", core->id.manuf);
23 static ssize_t id_show(struct device *dev, struct device_attribute *attr, char *buf)
25 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
26 return sprintf(buf, "0x%03X\n", core->id.id);
28 static ssize_t rev_show(struct device *dev, struct device_attribute *attr, char *buf)
30 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
31 return sprintf(buf, "0x%02X\n", core->id.rev);
33 static ssize_t class_show(struct device *dev, struct device_attribute *attr, char *buf)
35 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
36 return sprintf(buf, "0x%X\n", core->id.class);
38 static struct device_attribute bcma_device_attrs[] = {
46 static struct bus_type bcma_bus_type = {
48 .match = bcma_bus_match,
49 .probe = bcma_device_probe,
50 .remove = bcma_device_remove,
51 .dev_attrs = bcma_device_attrs,
54 static struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid)
56 struct bcma_device *core;
58 list_for_each_entry(core, &bus->cores, list) {
59 if (core->id.id == coreid)
65 static void bcma_release_core_dev(struct device *dev)
67 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
71 static int bcma_register_cores(struct bcma_bus *bus)
73 struct bcma_device *core;
76 list_for_each_entry(core, &bus->cores, list) {
77 /* We support that cores ourself */
78 switch (core->id.id) {
79 case BCMA_CORE_CHIPCOMMON:
85 core->dev.release = bcma_release_core_dev;
86 core->dev.bus = &bcma_bus_type;
87 dev_set_name(&core->dev, "bcma%d:%d", 0/*bus->num*/, dev_id);
89 switch (bus->hosttype) {
90 case BCMA_HOSTTYPE_PCI:
91 core->dev.parent = &bus->host_pci->dev;
93 case BCMA_HOSTTYPE_NONE:
94 case BCMA_HOSTTYPE_SDIO:
98 err = device_register(&core->dev);
100 pr_err("Could not register dev for core 0x%03X\n",
104 core->dev_registered = true;
111 static void bcma_unregister_cores(struct bcma_bus *bus)
113 struct bcma_device *core;
115 list_for_each_entry(core, &bus->cores, list) {
116 if (core->dev_registered)
117 device_unregister(&core->dev);
121 int bcma_bus_register(struct bcma_bus *bus)
124 struct bcma_device *core;
126 /* Scan for devices (cores) */
127 err = bcma_bus_scan(bus);
129 pr_err("Failed to scan: %d\n", err);
134 core = bcma_find_core(bus, BCMA_CORE_CHIPCOMMON);
136 bus->drv_cc.core = core;
137 bcma_core_chipcommon_init(&bus->drv_cc);
141 core = bcma_find_core(bus, BCMA_CORE_PCIE);
143 bus->drv_pci.core = core;
144 bcma_core_pci_init(&bus->drv_pci);
147 /* Register found cores */
148 bcma_register_cores(bus);
150 pr_info("Bus registered\n");
154 EXPORT_SYMBOL_GPL(bcma_bus_register);
156 void bcma_bus_unregister(struct bcma_bus *bus)
158 bcma_unregister_cores(bus);
160 EXPORT_SYMBOL_GPL(bcma_bus_unregister);
162 int __bcma_driver_register(struct bcma_driver *drv, struct module *owner)
164 drv->drv.name = drv->name;
165 drv->drv.bus = &bcma_bus_type;
166 drv->drv.owner = owner;
168 return driver_register(&drv->drv);
170 EXPORT_SYMBOL_GPL(__bcma_driver_register);
172 void bcma_driver_unregister(struct bcma_driver *drv)
174 driver_unregister(&drv->drv);
176 EXPORT_SYMBOL_GPL(bcma_driver_unregister);
178 static int bcma_bus_match(struct device *dev, struct device_driver *drv)
180 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
181 struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
182 const struct bcma_device_id *cid = &core->id;
183 const struct bcma_device_id *did;
185 for (did = adrv->id_table; did->manuf || did->id || did->rev; did++) {
186 if ((did->manuf == cid->manuf || did->manuf == BCMA_ANY_MANUF) &&
187 (did->id == cid->id || did->id == BCMA_ANY_ID) &&
188 (did->rev == cid->rev || did->rev == BCMA_ANY_REV) &&
189 (did->class == cid->class || did->class == BCMA_ANY_CLASS))
195 static int bcma_device_probe(struct device *dev)
197 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
198 struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
203 err = adrv->probe(core);
208 static int bcma_device_remove(struct device *dev)
210 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
211 struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
220 static int __init bcma_modinit(void)
224 err = bus_register(&bcma_bus_type);
228 #ifdef CONFIG_BCMA_HOST_PCI
229 err = bcma_host_pci_init();
231 pr_err("PCI host initialization failed\n");
238 fs_initcall(bcma_modinit);
240 static void __exit bcma_modexit(void)
242 #ifdef CONFIG_BCMA_HOST_PCI
243 bcma_host_pci_exit();
245 bus_unregister(&bcma_bus_type);
247 module_exit(bcma_modexit)