static unsigned int vme_bus_numbers;
DEFINE_MUTEX(vme_bus_num_mtx);
-static void __exit vme_exit (void);
-static int __init vme_init (void);
+static void __exit vme_exit(void);
+static int __init vme_init(void);
/*
* XXX VME bridges could be available on buses other than PCI. At the momment
* this framework only supports PCI devices.
*/
-void * vme_alloc_consistent(struct vme_resource *resource, size_t size,
+void *vme_alloc_consistent(struct vme_resource *resource, size_t size,
dma_addr_t *dma)
{
struct vme_bridge *bridge;
struct pci_dev *pdev;
- if(resource == NULL) {
- printk("No resource\n");
+ if (resource == NULL) {
+ printk(KERN_ERR "No resource\n");
return NULL;
}
bridge = find_bridge(resource);
- if(bridge == NULL) {
- printk("Can't find bridge\n");
+ if (bridge == NULL) {
+ printk(KERN_ERR "Can't find bridge\n");
return NULL;
}
/* Find pci_dev container of dev */
if (bridge->parent == NULL) {
- printk("Dev entry NULL\n");
+ printk(KERN_ERR "Dev entry NULL\n");
return NULL;
}
pdev = container_of(bridge->parent, struct pci_dev, dev);
struct vme_bridge *bridge;
struct pci_dev *pdev;
- if(resource == NULL) {
- printk("No resource\n");
+ if (resource == NULL) {
+ printk(KERN_ERR "No resource\n");
return;
}
bridge = find_bridge(resource);
- if(bridge == NULL) {
- printk("Can't find bridge\n");
+ if (bridge == NULL) {
+ printk(KERN_ERR "Can't find bridge\n");
return;
}
/* User Defined */
break;
default:
- printk("Invalid address space\n");
+ printk(KERN_ERR "Invalid address space\n");
retval = -EINVAL;
break;
}
* Request a slave image with specific attributes, return some unique
* identifier.
*/
-struct vme_resource * vme_slave_request(struct device *dev,
+struct vme_resource *vme_slave_request(struct device *dev,
vme_address_t address, vme_cycle_t cycle)
{
struct vme_bridge *bridge;
struct vme_slave_resource, list);
if (slave_image == NULL) {
- printk("Registered NULL Slave resource\n");
+ printk(KERN_ERR "Registered NULL Slave resource\n");
continue;
}
/* Find an unlocked and compatible image */
mutex_lock(&(slave_image->mtx));
- if(((slave_image->address_attr & address) == address) &&
+ if (((slave_image->address_attr & address) == address) &&
((slave_image->cycle_attr & cycle) == cycle) &&
(slave_image->locked == 0)) {
}
EXPORT_SYMBOL(vme_slave_request);
-int vme_slave_set (struct vme_resource *resource, int enabled,
+int vme_slave_set(struct vme_resource *resource, int enabled,
unsigned long long vme_base, unsigned long long size,
dma_addr_t buf_base, vme_address_t aspace, vme_cycle_t cycle)
{
int retval;
if (resource->type != VME_SLAVE) {
- printk("Not a slave resource\n");
+ printk(KERN_ERR "Not a slave resource\n");
return -EINVAL;
}
image = list_entry(resource->entry, struct vme_slave_resource, list);
if (bridge->slave_set == NULL) {
- printk("Function not supported\n");
+ printk(KERN_ERR "Function not supported\n");
return -ENOSYS;
}
- if(!(((image->address_attr & aspace) == aspace) &&
+ if (!(((image->address_attr & aspace) == aspace) &&
((image->cycle_attr & cycle) == cycle))) {
- printk("Invalid attributes\n");
+ printk(KERN_ERR "Invalid attributes\n");
return -EINVAL;
}
retval = vme_check_window(aspace, vme_base, size);
- if(retval)
+ if (retval)
return retval;
return bridge->slave_set(image, enabled, vme_base, size, buf_base,
}
EXPORT_SYMBOL(vme_slave_set);
-int vme_slave_get (struct vme_resource *resource, int *enabled,
+int vme_slave_get(struct vme_resource *resource, int *enabled,
unsigned long long *vme_base, unsigned long long *size,
dma_addr_t *buf_base, vme_address_t *aspace, vme_cycle_t *cycle)
{
struct vme_slave_resource *image;
if (resource->type != VME_SLAVE) {
- printk("Not a slave resource\n");
+ printk(KERN_ERR "Not a slave resource\n");
return -EINVAL;
}
image = list_entry(resource->entry, struct vme_slave_resource, list);
if (bridge->slave_get == NULL) {
- printk("vme_slave_get not supported\n");
+ printk(KERN_ERR "vme_slave_get not supported\n");
return -EINVAL;
}
struct vme_slave_resource *slave_image;
if (resource->type != VME_SLAVE) {
- printk("Not a slave resource\n");
+ printk(KERN_ERR "Not a slave resource\n");
return;
}
slave_image = list_entry(resource->entry, struct vme_slave_resource,
list);
if (slave_image == NULL) {
- printk("Can't find slave resource\n");
+ printk(KERN_ERR "Can't find slave resource\n");
return;
}
* Request a master image with specific attributes, return some unique
* identifier.
*/
-struct vme_resource * vme_master_request(struct device *dev,
+struct vme_resource *vme_master_request(struct device *dev,
vme_address_t address, vme_cycle_t cycle, vme_width_t dwidth)
{
struct vme_bridge *bridge;
/* Find an unlocked and compatible image */
spin_lock(&(master_image->lock));
- if(((master_image->address_attr & address) == address) &&
+ if (((master_image->address_attr & address) == address) &&
((master_image->cycle_attr & cycle) == cycle) &&
((master_image->width_attr & dwidth) == dwidth) &&
(master_image->locked == 0)) {
}
EXPORT_SYMBOL(vme_master_request);
-int vme_master_set (struct vme_resource *resource, int enabled,
+int vme_master_set(struct vme_resource *resource, int enabled,
unsigned long long vme_base, unsigned long long size,
vme_address_t aspace, vme_cycle_t cycle, vme_width_t dwidth)
{
int retval;
if (resource->type != VME_MASTER) {
- printk("Not a master resource\n");
+ printk(KERN_ERR "Not a master resource\n");
return -EINVAL;
}
image = list_entry(resource->entry, struct vme_master_resource, list);
if (bridge->master_set == NULL) {
- printk("vme_master_set not supported\n");
+ printk(KERN_WARNING "vme_master_set not supported\n");
return -EINVAL;
}
- if(!(((image->address_attr & aspace) == aspace) &&
+ if (!(((image->address_attr & aspace) == aspace) &&
((image->cycle_attr & cycle) == cycle) &&
((image->width_attr & dwidth) == dwidth))) {
- printk("Invalid attributes\n");
+ printk(KERN_WARNING "Invalid attributes\n");
return -EINVAL;
}
retval = vme_check_window(aspace, vme_base, size);
- if(retval)
+ if (retval)
return retval;
return bridge->master_set(image, enabled, vme_base, size, aspace,
}
EXPORT_SYMBOL(vme_master_set);
-int vme_master_get (struct vme_resource *resource, int *enabled,
+int vme_master_get(struct vme_resource *resource, int *enabled,
unsigned long long *vme_base, unsigned long long *size,
vme_address_t *aspace, vme_cycle_t *cycle, vme_width_t *dwidth)
{
struct vme_master_resource *image;
if (resource->type != VME_MASTER) {
- printk("Not a master resource\n");
+ printk(KERN_ERR "Not a master resource\n");
return -EINVAL;
}
image = list_entry(resource->entry, struct vme_master_resource, list);
if (bridge->master_get == NULL) {
- printk("vme_master_set not supported\n");
+ printk(KERN_WARNING "vme_master_set not supported\n");
return -EINVAL;
}
/*
* Read data out of VME space into a buffer.
*/
-ssize_t vme_master_read (struct vme_resource *resource, void *buf, size_t count,
+ssize_t vme_master_read(struct vme_resource *resource, void *buf, size_t count,
loff_t offset)
{
struct vme_bridge *bridge = find_bridge(resource);
size_t length;
if (bridge->master_read == NULL) {
- printk("Reading from resource not supported\n");
+ printk(KERN_WARNING "Reading from resource not supported\n");
return -EINVAL;
}
if (resource->type != VME_MASTER) {
- printk("Not a master resource\n");
+ printk(KERN_ERR "Not a master resource\n");
return -EINVAL;
}
length = vme_get_size(resource);
if (offset > length) {
- printk("Invalid Offset\n");
+ printk(KERN_WARNING "Invalid Offset\n");
return -EFAULT;
}
/*
* Write data out to VME space from a buffer.
*/
-ssize_t vme_master_write (struct vme_resource *resource, void *buf,
+ssize_t vme_master_write(struct vme_resource *resource, void *buf,
size_t count, loff_t offset)
{
struct vme_bridge *bridge = find_bridge(resource);
size_t length;
if (bridge->master_write == NULL) {
- printk("Writing to resource not supported\n");
+ printk(KERN_WARNING "Writing to resource not supported\n");
return -EINVAL;
}
if (resource->type != VME_MASTER) {
- printk("Not a master resource\n");
+ printk(KERN_ERR "Not a master resource\n");
return -EINVAL;
}
length = vme_get_size(resource);
if (offset > length) {
- printk("Invalid Offset\n");
+ printk(KERN_WARNING "Invalid Offset\n");
return -EFAULT;
}
/*
* Perform RMW cycle to provided location.
*/
-unsigned int vme_master_rmw (struct vme_resource *resource, unsigned int mask,
+unsigned int vme_master_rmw(struct vme_resource *resource, unsigned int mask,
unsigned int compare, unsigned int swap, loff_t offset)
{
struct vme_bridge *bridge = find_bridge(resource);
struct vme_master_resource *image;
if (bridge->master_rmw == NULL) {
- printk("Writing to resource not supported\n");
+ printk(KERN_WARNING "Writing to resource not supported\n");
return -EINVAL;
}
if (resource->type != VME_MASTER) {
- printk("Not a master resource\n");
+ printk(KERN_ERR "Not a master resource\n");
return -EINVAL;
}
struct vme_master_resource *master_image;
if (resource->type != VME_MASTER) {
- printk("Not a master resource\n");
+ printk(KERN_ERR "Not a master resource\n");
return;
}
master_image = list_entry(resource->entry, struct vme_master_resource,
list);
if (master_image == NULL) {
- printk("Can't find master resource\n");
+ printk(KERN_ERR "Can't find master resource\n");
return;
}
struct vme_dma_resource, list);
if (dma_ctrlr == NULL) {
- printk("Registered NULL DMA resource\n");
+ printk(KERN_ERR "Registered NULL DMA resource\n");
continue;
}
/* Find an unlocked controller */
mutex_lock(&(dma_ctrlr->mtx));
- if(dma_ctrlr->locked == 0) {
+ if (dma_ctrlr->locked == 0) {
dma_ctrlr->locked = 1;
mutex_unlock(&(dma_ctrlr->mtx));
allocated_ctrlr = dma_ctrlr;
struct vme_dma_list *dma_list;
if (resource->type != VME_DMA) {
- printk("Not a DMA resource\n");
+ printk(KERN_ERR "Not a DMA resource\n");
return NULL;
}
ctrlr = list_entry(resource->entry, struct vme_dma_resource, list);
- dma_list = (struct vme_dma_list *)kmalloc(
- sizeof(struct vme_dma_list), GFP_KERNEL);
- if(dma_list == NULL) {
- printk("Unable to allocate memory for new dma list\n");
+ dma_list = kmalloc(sizeof(struct vme_dma_list), GFP_KERNEL);
+ if (dma_list == NULL) {
+ printk(KERN_ERR "Unable to allocate memory for new dma list\n");
return NULL;
}
INIT_LIST_HEAD(&(dma_list->entries));
struct vme_dma_attr *attributes;
struct vme_dma_pattern *pattern_attr;
- attributes = (struct vme_dma_attr *)kmalloc(
- sizeof(struct vme_dma_attr), GFP_KERNEL);
- if(attributes == NULL) {
- printk("Unable to allocate memory for attributes structure\n");
+ attributes = kmalloc(sizeof(struct vme_dma_attr), GFP_KERNEL);
+ if (attributes == NULL) {
+ printk(KERN_ERR "Unable to allocate memory for attributes "
+ "structure\n");
goto err_attr;
}
- pattern_attr = (struct vme_dma_pattern *)kmalloc(
- sizeof(struct vme_dma_pattern), GFP_KERNEL);
- if(pattern_attr == NULL) {
- printk("Unable to allocate memory for pattern attributes\n");
+ pattern_attr = kmalloc(sizeof(struct vme_dma_pattern), GFP_KERNEL);
+ if (pattern_attr == NULL) {
+ printk(KERN_ERR "Unable to allocate memory for pattern "
+ "attributes\n");
goto err_pat;
}
/* XXX Run some sanity checks here */
- attributes = (struct vme_dma_attr *)kmalloc(
- sizeof(struct vme_dma_attr), GFP_KERNEL);
- if(attributes == NULL) {
- printk("Unable to allocate memory for attributes structure\n");
+ attributes = kmalloc(sizeof(struct vme_dma_attr), GFP_KERNEL);
+ if (attributes == NULL) {
+ printk(KERN_ERR "Unable to allocate memory for attributes "
+ "structure\n");
goto err_attr;
}
- pci_attr = (struct vme_dma_pci *)kmalloc(sizeof(struct vme_dma_pci),
- GFP_KERNEL);
- if(pci_attr == NULL) {
- printk("Unable to allocate memory for pci attributes\n");
+ pci_attr = kmalloc(sizeof(struct vme_dma_pci), GFP_KERNEL);
+ if (pci_attr == NULL) {
+ printk(KERN_ERR "Unable to allocate memory for pci "
+ "attributes\n");
goto err_pci;
}
/* XXX Run some sanity checks here */
- attributes = (struct vme_dma_attr *)kmalloc(
+ attributes = kmalloc(
sizeof(struct vme_dma_attr), GFP_KERNEL);
- if(attributes == NULL) {
- printk("Unable to allocate memory for attributes structure\n");
+ if (attributes == NULL) {
+ printk(KERN_ERR "Unable to allocate memory for attributes "
+ "structure\n");
goto err_attr;
}
- vme_attr = (struct vme_dma_vme *)kmalloc(sizeof(struct vme_dma_vme),
- GFP_KERNEL);
- if(vme_attr == NULL) {
- printk("Unable to allocate memory for vme attributes\n");
+ vme_attr = kmalloc(sizeof(struct vme_dma_vme), GFP_KERNEL);
+ if (vme_attr == NULL) {
+ printk(KERN_ERR "Unable to allocate memory for vme "
+ "attributes\n");
goto err_vme;
}
int retval;
if (bridge->dma_list_add == NULL) {
- printk("Link List DMA generation not supported\n");
+ printk(KERN_WARNING "Link List DMA generation not supported\n");
return -EINVAL;
}
if (!mutex_trylock(&(list->mtx))) {
- printk("Link List already submitted\n");
+ printk(KERN_ERR "Link List already submitted\n");
return -EINVAL;
}
int retval;
if (bridge->dma_list_exec == NULL) {
- printk("Link List DMA execution not supported\n");
+ printk(KERN_ERR "Link List DMA execution not supported\n");
return -EINVAL;
}
int retval;
if (bridge->dma_list_empty == NULL) {
- printk("Emptying of Link Lists not supported\n");
+ printk(KERN_WARNING "Emptying of Link Lists not supported\n");
return -EINVAL;
}
if (!mutex_trylock(&(list->mtx))) {
- printk("Link List in use\n");
+ printk(KERN_ERR "Link List in use\n");
return -EINVAL;
}
*/
retval = bridge->dma_list_empty(list);
if (retval) {
- printk("Unable to empty link-list entries\n");
+ printk(KERN_ERR "Unable to empty link-list entries\n");
mutex_unlock(&(list->mtx));
return retval;
}
struct vme_dma_resource *ctrlr;
if (resource->type != VME_DMA) {
- printk("Not a DMA resource\n");
+ printk(KERN_ERR "Not a DMA resource\n");
return -EINVAL;
}
ctrlr = list_entry(resource->entry, struct vme_dma_resource, list);
if (!mutex_trylock(&(ctrlr->mtx))) {
- printk("Resource busy, can't free\n");
+ printk(KERN_ERR "Resource busy, can't free\n");
return -EBUSY;
}
if (!(list_empty(&(ctrlr->pending)) && list_empty(&(ctrlr->running)))) {
- printk("Resource still processing transfers\n");
+ printk(KERN_WARNING "Resource still processing transfers\n");
mutex_unlock(&(ctrlr->mtx));
return -EBUSY;
}
return -EINVAL;
}
- if((level < 1) || (level > 7)) {
+ if ((level < 1) || (level > 7)) {
printk(KERN_ERR "Invalid interrupt level\n");
return -EINVAL;
}
return;
}
- if((level < 1) || (level > 7)) {
+ if ((level < 1) || (level > 7)) {
printk(KERN_ERR "Invalid interrupt level\n");
return;
}
return -EINVAL;
}
- if((level < 1) || (level > 7)) {
+ if ((level < 1) || (level > 7)) {
printk(KERN_WARNING "Invalid interrupt level\n");
return -EINVAL;
}
if (bridge->irq_generate == NULL) {
- printk("Interrupt generation not supported\n");
+ printk(KERN_WARNING "Interrupt generation not supported\n");
return -EINVAL;
}
}
if (bridge->slot_get == NULL) {
- printk("vme_slot_get not supported\n");
+ printk(KERN_WARNING "vme_slot_get not supported\n");
return -EINVAL;
}
mutex_unlock(&vme_bus_num_mtx);
}
-int vme_register_bridge (struct vme_bridge *bridge)
+int vme_register_bridge(struct vme_bridge *bridge)
{
struct device *dev;
int retval;
dev_set_name(dev, "vme-%x.%x", bridge->num, i + 1);
retval = device_register(dev);
- if(retval)
+ if (retval)
goto err_reg;
}
}
EXPORT_SYMBOL(vme_register_bridge);
-void vme_unregister_bridge (struct vme_bridge *bridge)
+void vme_unregister_bridge(struct vme_bridge *bridge)
{
int i;
struct device *dev;
/* - Driver Registration --------------------------------------------------- */
-int vme_register_driver (struct vme_driver *drv)
+int vme_register_driver(struct vme_driver *drv)
{
drv->driver.name = drv->name;
drv->driver.bus = &vme_bus_type;
}
EXPORT_SYMBOL(vme_register_driver);
-void vme_unregister_driver (struct vme_driver *drv)
+void vme_unregister_driver(struct vme_driver *drv)
{
driver_unregister(&drv->driver);
}
/* Determine slot number */
num = 0;
- while(num < VME_SLOTS_MAX) {
- if(&(bridge->dev[num]) == dev) {
+ while (num < VME_SLOTS_MAX) {
+ if (&(bridge->dev[num]) == dev)
break;
- }
+
num++;
}
if (num == VME_SLOTS_MAX) {
static struct vme_driver *dev_to_vme_driver(struct device *dev)
{
- if(dev->driver == NULL)
- printk("Bugger dev->driver is NULL\n");
+ if (dev->driver == NULL)
+ printk(KERN_ERR "Bugger dev->driver is NULL\n");
return container_of(dev->driver, struct vme_driver, driver);
}
}
i = 0;
- while((driver->bind_table[i].bus != 0) ||
+ while ((driver->bind_table[i].bus != 0) ||
(driver->bind_table[i].slot != 0)) {
if (bridge->num == driver->bind_table[i].bus) {
driver = dev_to_vme_driver(dev);
bridge = dev_to_bridge(dev);
- if(driver->probe != NULL) {
+ if (driver->probe != NULL)
retval = driver->probe(dev, bridge->num, vme_calc_slot(dev));
- }
return retval;
}
driver = dev_to_vme_driver(dev);
bridge = dev_to_bridge(dev);
- if(driver->remove != NULL) {
+ if (driver->remove != NULL)
retval = driver->remove(dev, bridge->num, vme_calc_slot(dev));
- }
return retval;
}
};
EXPORT_SYMBOL(vme_bus_type);
-static int __init vme_init (void)
+static int __init vme_init(void)
{
return bus_register(&vme_bus_type);
}
-static void __exit vme_exit (void)
+static void __exit vme_exit(void)
{
bus_unregister(&vme_bus_type);
}