*
* Copyright (c) 2005 IBM Corporation
* Heiko J Schick <schickhj@de.ibm.com>
- *
+ *
* All rights reserved.
*
- * This source code is distributed under a dual license of GPL v2.0 and OpenIB
- * BSD.
+ * This source code is distributed under a dual license of GPL v2.0 and OpenIB
+ * BSD.
*
* OpenIB BSD License
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
*
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
*
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
* and/or other materials
- * provided with the distribution.
+ * provided with the distribution.
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
gfp_t flag)
{
void *mem;
-
+
mem = kmalloc(size, flag);
*dma_handle = (dma_addr_t)mem;
}
static void ibmebus_free_coherent(struct device *dev,
- size_t size, void *vaddr,
+ size_t size, void *vaddr,
dma_addr_t dma_handle)
{
kfree(vaddr);
static void ibmebus_unmap_single(struct device *dev,
dma_addr_t dma_addr,
- size_t size,
+ size_t size,
enum dma_data_direction direction)
{
return;
int nents, enum dma_data_direction direction)
{
int i;
-
+
for (i = 0; i < nents; i++) {
- sg[i].dma_address = (dma_addr_t)page_address(sg[i].page)
+ sg[i].dma_address = (dma_addr_t)page_address(sg[i].page)
+ sg[i].offset;
sg[i].dma_length = sg[i].length;
}
-
+
return nents;
}
struct ibmebus_driver *ibmebusdrv = to_ibmebus_driver(dev->driver);
const struct of_device_id *id;
int error = -ENODEV;
-
+
if (!ibmebusdrv->probe)
return error;
-
+
id = of_match_device(ibmebusdrv->id_table, &ibmebusdev->ofdev);
if (id) {
error = ibmebusdrv->probe(ibmebusdev, id);
}
-
+
return error;
}
{
struct ibmebus_dev *ibmebusdev = to_ibmebus_dev(dev);
struct ibmebus_driver *ibmebusdrv = to_ibmebus_driver(dev->driver);
-
+
if (ibmebusdrv->remove) {
return ibmebusdrv->remove(ibmebusdev);
}
-
+
return 0;
}
kfree(to_ibmebus_dev(dev));
}
-static ssize_t ibmebusdev_show_name(struct device *dev,
+static ssize_t ibmebusdev_show_name(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sprintf(buf, "%s\n", to_ibmebus_dev(dev)->name);
}
-static DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, ibmebusdev_show_name,
+static DEVICE_ATTR(name, S_IRUSR | S_IRGRP | S_IROTH, ibmebusdev_show_name,
NULL);
static struct ibmebus_dev* __devinit ibmebus_register_device_common(
dev->ofdev.dev.archdata.numa_node = of_node_to_nid(dev->ofdev.node);
/* An ibmebusdev is based on a of_device. We have to change the
- * bus type to use our own DMA mapping operations.
- */
+ * bus type to use our own DMA mapping operations.
+ */
if ((err = of_device_register(&dev->ofdev)) != 0) {
printk(KERN_ERR "%s: failed to register device (%d).\n",
__FUNCTION__, err);
return NULL;
}
-
+
device_create_file(&dev->ofdev.dev, &dev_attr_name);
-
+
return dev;
}
__FUNCTION__, dn->name ? dn->name : "<unknown>");
return NULL;
}
-
+
if (strlen(loc_code) == 0) {
printk(KERN_WARNING "%s: 'ibm,loc-code' is invalid\n",
__FUNCTION__);
}
dev->ofdev.node = of_node_get(dn);
-
+
length = strlen(loc_code);
- memcpy(dev->ofdev.dev.bus_id, loc_code
- + (length - min(length, BUS_ID_SIZE - 1)),
+ memcpy(dev->ofdev.dev.bus_id, loc_code
+ + (length - min(length, BUS_ID_SIZE - 1)),
min(length, BUS_ID_SIZE - 1));
/* Register with generic device framework. */
static void ibmebus_probe_of_nodes(char* name)
{
struct device_node *dn = NULL;
-
+
while ((dn = of_find_node_by_name(dn, name))) {
if (ibmebus_register_device_node(dn) == NULL) {
of_node_put(dn);
-
+
return;
}
}
-
+
of_node_put(dn);
-
+
return;
}
{
if (strcmp((char*)data, to_ibmebus_dev(dev)->name) == 0)
return 1;
-
+
return 0;
}
static void ibmebus_remove_devices_by_id(struct of_device_id *idt)
{
struct device *dev;
-
+
while (strlen(idt->name) > 0) {
- while ((dev = bus_find_device(&ibmebus_bus_type, NULL,
+ while ((dev = bus_find_device(&ibmebus_bus_type, NULL,
(void*)idt->name,
ibmebus_match_helper))) {
ibmebus_unregister_device(dev);
}
idt++;
-
+
}
-
+
return;
}
return err;
ibmebus_add_devices_by_id(drv->id_table);
-
+
return 0;
}
EXPORT_SYMBOL(ibmebus_register_driver);
void ibmebus_unregister_driver(struct ibmebus_driver *drv)
-{
+{
driver_unregister(&drv->driver);
ibmebus_remove_devices_by_id(drv->id_table);
}
EXPORT_SYMBOL(ibmebus_unregister_driver);
int ibmebus_request_irq(struct ibmebus_dev *dev,
- u32 ist,
+ u32 ist,
irq_handler_t handler,
unsigned long irq_flags, const char * devname,
void *dev_id)
{
unsigned int irq = irq_create_mapping(NULL, ist);
-
+
if (irq == NO_IRQ)
return -EINVAL;
-
+
return request_irq(irq, handler,
irq_flags, devname, dev_id);
}
void ibmebus_free_irq(struct ibmebus_dev *dev, u32 ist, void *dev_id)
{
unsigned int irq = irq_find_mapping(NULL, ist);
-
+
free_irq(irq, dev_id);
}
EXPORT_SYMBOL(ibmebus_free_irq);
static int ibmebus_bus_match(struct device *dev, struct device_driver *drv)
-{
+{
const struct ibmebus_dev *ebus_dev = to_ibmebus_dev(dev);
struct ibmebus_driver *ebus_drv = to_ibmebus_driver(drv);
const struct of_device_id *ids = ebus_drv->id_table;
const struct of_device_id *found_id;
-
+
if (!ids)
return 0;
-
+
found_id = of_match_device(ids, &ebus_dev->ofdev);
if (found_id)
return 1;
-
+
return 0;
}
static int __init ibmebus_bus_init(void)
{
int err;
-
+
printk(KERN_INFO "IBM eBus Device Driver\n");
-
+
err = bus_register(&ibmebus_bus_type);
if (err) {
printk(KERN_ERR ":%s: failed to register IBM eBus.\n",
__FUNCTION__);
return err;
}
-
+
err = device_register(&ibmebus_bus_device.ofdev.dev);
if (err) {
- printk(KERN_WARNING "%s: device_register returned %i\n",
+ printk(KERN_WARNING "%s: device_register returned %i\n",
__FUNCTION__, err);
bus_unregister(&ibmebus_bus_type);
return err;
}
-
+
return 0;
}
__initcall(ibmebus_bus_init);
*
* Copyright (c) 2005 IBM Corporation
* Heiko J Schick <schickhj@de.ibm.com>
- *
+ *
* All rights reserved.
*
- * This source code is distributed under a dual license of GPL v2.0 and OpenIB
- * BSD.
+ * This source code is distributed under a dual license of GPL v2.0 and OpenIB
+ * BSD.
*
* OpenIB BSD License
*
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
*
- * Redistributions of source code must retain the above copyright notice, this
- * list of conditions and the following disclaimer.
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
*
- * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
* and/or other materials
- * provided with the distribution.
+ * provided with the distribution.
*
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
- * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
extern struct bus_type ibmebus_bus_type;
-struct ibmebus_dev {
+struct ibmebus_dev {
const char *name;
struct of_device ofdev;
};
-struct ibmebus_driver {
+struct ibmebus_driver {
char *name;
struct of_device_id *id_table;
int (*probe) (struct ibmebus_dev *dev, const struct of_device_id *id);
void ibmebus_unregister_driver(struct ibmebus_driver *drv);
int ibmebus_request_irq(struct ibmebus_dev *dev,
- u32 ist,
+ u32 ist,
irq_handler_t handler,
unsigned long irq_flags, const char * devname,
void *dev_id);
projects / linux-2.6-omap-h63xx.git / commitdiff