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;
92 core->dma_dev = &bus->host_pci->dev;
93 core->irq = bus->host_pci->irq;
95 case BCMA_HOSTTYPE_NONE:
96 case BCMA_HOSTTYPE_SDIO:
100 err = device_register(&core->dev);
102 pr_err("Could not register dev for core 0x%03X\n",
106 core->dev_registered = true;
113 static void bcma_unregister_cores(struct bcma_bus *bus)
115 struct bcma_device *core;
117 list_for_each_entry(core, &bus->cores, list) {
118 if (core->dev_registered)
119 device_unregister(&core->dev);
123 int bcma_bus_register(struct bcma_bus *bus)
126 struct bcma_device *core;
128 /* Scan for devices (cores) */
129 err = bcma_bus_scan(bus);
131 pr_err("Failed to scan: %d\n", err);
136 core = bcma_find_core(bus, BCMA_CORE_CHIPCOMMON);
138 bus->drv_cc.core = core;
139 bcma_core_chipcommon_init(&bus->drv_cc);
143 core = bcma_find_core(bus, BCMA_CORE_PCIE);
145 bus->drv_pci.core = core;
146 bcma_core_pci_init(&bus->drv_pci);
149 /* Try to get SPROM */
150 err = bcma_sprom_get(bus);
152 pr_err("Failed to get SPROM: %d\n", err);
156 /* Register found cores */
157 bcma_register_cores(bus);
159 pr_info("Bus registered\n");
163 EXPORT_SYMBOL_GPL(bcma_bus_register);
165 void bcma_bus_unregister(struct bcma_bus *bus)
167 bcma_unregister_cores(bus);
169 EXPORT_SYMBOL_GPL(bcma_bus_unregister);
171 int __bcma_driver_register(struct bcma_driver *drv, struct module *owner)
173 drv->drv.name = drv->name;
174 drv->drv.bus = &bcma_bus_type;
175 drv->drv.owner = owner;
177 return driver_register(&drv->drv);
179 EXPORT_SYMBOL_GPL(__bcma_driver_register);
181 void bcma_driver_unregister(struct bcma_driver *drv)
183 driver_unregister(&drv->drv);
185 EXPORT_SYMBOL_GPL(bcma_driver_unregister);
187 static int bcma_bus_match(struct device *dev, struct device_driver *drv)
189 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
190 struct bcma_driver *adrv = container_of(drv, struct bcma_driver, drv);
191 const struct bcma_device_id *cid = &core->id;
192 const struct bcma_device_id *did;
194 for (did = adrv->id_table; did->manuf || did->id || did->rev; did++) {
195 if ((did->manuf == cid->manuf || did->manuf == BCMA_ANY_MANUF) &&
196 (did->id == cid->id || did->id == BCMA_ANY_ID) &&
197 (did->rev == cid->rev || did->rev == BCMA_ANY_REV) &&
198 (did->class == cid->class || did->class == BCMA_ANY_CLASS))
204 static int bcma_device_probe(struct device *dev)
206 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
207 struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
212 err = adrv->probe(core);
217 static int bcma_device_remove(struct device *dev)
219 struct bcma_device *core = container_of(dev, struct bcma_device, dev);
220 struct bcma_driver *adrv = container_of(dev->driver, struct bcma_driver,
229 static int __init bcma_modinit(void)
233 err = bus_register(&bcma_bus_type);
237 #ifdef CONFIG_BCMA_HOST_PCI
238 err = bcma_host_pci_init();
240 pr_err("PCI host initialization failed\n");
247 fs_initcall(bcma_modinit);
249 static void __exit bcma_modexit(void)
251 #ifdef CONFIG_BCMA_HOST_PCI
252 bcma_host_pci_exit();
254 bus_unregister(&bcma_bus_type);
256 module_exit(bcma_modexit)