#define DRIVER_MINOR 0
#define DRIVER_PATCHLEVEL 1
-#define DRIVER_FOPS \
-static struct file_operations DRM(fops) = { \
- .owner = THIS_MODULE, \
- .open = DRM(open), \
- .flush = DRM(flush), \
- .release = DRM(release), \
- .ioctl = DRM(ioctl), \
- .mmap = DRM(mmap), \
- .read = DRM(read), \
- .fasync = DRM(fasync), \
- .poll = DRM(poll), \
- .get_unmapped_area = ffb_get_unmapped_area, \
-}
-
-#define DRIVER_COUNT_CARDS() ffb_count_card_instances()
-/* Allocate private structure and fill it */
-#define DRIVER_PRESETUP() do { \
- int _ret; \
- _ret = ffb_presetup(dev); \
- if (_ret != 0) return _ret; \
-} while(0)
-
-/* Free private structure */
-#define DRIVER_PRETAKEDOWN() do { \
- if (dev->dev_private) kfree(dev->dev_private); \
-} while(0)
-
-#define DRIVER_POSTCLEANUP() do { \
- if (ffb_position != NULL) kfree(ffb_position); \
-} while(0)
-
-/* We have to free up the rogue hw context state holding error or
- * else we will leak it.
- */
-#define DRIVER_RELEASE() do { \
- ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private; \
- int context = _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock); \
- int idx; \
- \
- idx = context - 1; \
- if (fpriv && \
- context != DRM_KERNEL_CONTEXT && \
- fpriv->hw_state[idx] != NULL) { \
- kfree(fpriv->hw_state[idx]); \
- fpriv->hw_state[idx] = NULL; \
- } \
-} while(0)
-
-/* For mmap customization */
-#define DRIVER_GET_MAP_OFS() (map->offset & 0xffffffff)
-#define DRIVER_GET_REG_OFS() ffb_get_reg_offset(dev)
-
typedef struct _ffb_position_t {
int node;
int root;
return 0;
}
-static int __init ffb_count_siblings(int root)
-{
- int node, child, count = 0;
-
- child = prom_getchild(root);
- for (node = prom_searchsiblings(child, "SUNW,ffb"); node;
- node = prom_searchsiblings(prom_getsibling(node), "SUNW,ffb"))
- count++;
-
- return count;
-}
-
-static int __init ffb_scan_siblings(int root, int instance)
-{
- int node, child;
-
- child = prom_getchild(root);
- for (node = prom_searchsiblings(child, "SUNW,ffb"); node;
- node = prom_searchsiblings(prom_getsibling(node), "SUNW,ffb")) {
- ffb_position[instance].node = node;
- ffb_position[instance].root = root;
- instance++;
- }
-
- return instance;
-}
-
-static int ffb_presetup(drm_device_t *);
-
-static int __init ffb_count_card_instances(void)
-{
- int root, total, instance;
-
- total = ffb_count_siblings(prom_root_node);
- root = prom_getchild(prom_root_node);
- for (root = prom_searchsiblings(root, "upa"); root;
- root = prom_searchsiblings(prom_getsibling(root), "upa"))
- total += ffb_count_siblings(root);
-
- ffb_position = kmalloc(sizeof(ffb_position_t) * total, GFP_KERNEL);
-
- /* Actual failure will be caught during ffb_presetup b/c we can't catch
- * it easily here.
- */
- if (!ffb_position)
- return -ENOMEM;
-
- instance = ffb_scan_siblings(prom_root_node, 0);
-
- root = prom_getchild(prom_root_node);
- for (root = prom_searchsiblings(root, "upa"); root;
- root = prom_searchsiblings(prom_getsibling(root), "upa"))
- instance = ffb_scan_siblings(root, instance);
-
- return total;
-}
-
static drm_map_t *ffb_find_map(struct file *filp, unsigned long off)
{
drm_file_t *priv = filp->private_data;
return NULL;
}
-static unsigned long ffb_get_unmapped_area(struct file *filp,
- unsigned long hint,
- unsigned long len,
- unsigned long pgoff,
- unsigned long flags)
+unsigned long ffb_get_unmapped_area(struct file *filp,
+ unsigned long hint,
+ unsigned long len,
+ unsigned long pgoff,
+ unsigned long flags)
{
drm_map_t *map = ffb_find_map(filp, pgoff << PAGE_SHIFT);
unsigned long addr = -ENOMEM;
return addr;
}
-static unsigned long ffb_get_reg_offset(drm_device_t *dev)
-{
- ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *)dev->dev_private;
-
- if (ffb_priv)
- return ffb_priv->card_phys_base;
-
- return 0;
-}
-
-#include "drm_auth.h"
-#include "drm_bufs.h"
-#include "drm_dma.h"
-#include "drm_drawable.h"
-#include "drm_drv.h"
-
-/* This functions must be here since it references DRM(numdevs)
- * which drm_drv.h declares.
- */
static int ffb_presetup(drm_device_t *dev)
{
ffb_dev_priv_t *ffb_priv;
- drm_device_t *temp_dev;
int ret = 0;
- int i;
+ int i = 0;
/* Check for the case where no device was found. */
if (ffb_position == NULL)
return -ENODEV;
- /* Find our instance number by finding our device in dev structure */
- for (i = 0; i < DRM(numdevs); i++) {
- temp_dev = &(DRM(device)[i]);
- if(temp_dev == dev)
- break;
- }
-
- if (i == DRM(numdevs))
- return -ENODEV;
-
+ /* code used to use numdevs no numdevs anymore */
ffb_priv = kmalloc(sizeof(ffb_dev_priv_t), GFP_KERNEL);
if (!ffb_priv)
return -ENOMEM;
return ret;
}
-#include "drm_fops.h"
-#include "drm_init.h"
-#include "drm_ioctl.h"
-#include "drm_lock.h"
-#include "drm_memory.h"
-#include "drm_proc.h"
-#include "drm_vm.h"
-#include "drm_stub.h"
+static void ffb_driver_release(drm_device_t *dev, struct file *filp)
+{
+ ffb_dev_priv_t *fpriv = (ffb_dev_priv_t *) dev->dev_private;
+ int context = _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock);
+ int idx;
+
+ idx = context - 1;
+ if (fpriv &&
+ context != DRM_KERNEL_CONTEXT &&
+ fpriv->hw_state[idx] != NULL) {
+ kfree(fpriv->hw_state[idx]);
+ fpriv->hw_state[idx] = NULL;
+ }
+}
+
+static void ffb_driver_pretakedown(drm_device_t *dev)
+{
+ if (dev->dev_private) kfree(dev->dev_private);
+}
+
+static int ffb_driver_postcleanup(drm_device_t *dev)
+{
+ if (ffb_position != NULL) kfree(ffb_position);
+ return 0;
+}
+
+static void ffb_driver_kernel_context_switch_unlock(struct drm_device *dev, drm_lock_t *lock)
+{
+ dev->lock.filp = 0;
+ {
+ __volatile__ unsigned int *plock = &dev->lock.hw_lock->lock;
+ unsigned int old, new, prev, ctx;
+
+ ctx = lock->context;
+ do {
+ old = *plock;
+ new = ctx;
+ prev = cmpxchg(plock, old, new);
+ } while (prev != old);
+ }
+ wake_up_interruptible(&dev->lock.lock_queue);
+}
+
+static unsigned long ffb_driver_get_map_ofs(drm_map_t *map)
+{
+ return (map->offset & 0xffffffff);
+}
+
+static unsigned long ffb_driver_get_reg_ofs(drm_device_t *dev)
+{
+ ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *)dev->dev_private;
+
+ if (ffb_priv)
+ return ffb_priv->card_phys_base;
+
+ return 0;
+}
+
+static int postinit( struct drm_device *dev, unsigned long flags )
+{
+ DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d\n",
+ DRIVER_NAME,
+ DRIVER_MAJOR,
+ DRIVER_MINOR,
+ DRIVER_PATCHLEVEL,
+ DRIVER_DATE,
+ dev->minor
+ );
+ return 0;
+}
+
+static int version( drm_version_t *version )
+{
+ int len;
+
+ version->version_major = DRIVER_MAJOR;
+ version->version_minor = DRIVER_MINOR;
+ version->version_patchlevel = DRIVER_PATCHLEVEL;
+ DRM_COPY( version->name, DRIVER_NAME );
+ DRM_COPY( version->date, DRIVER_DATE );
+ DRM_COPY( version->desc, DRIVER_DESC );
+ return 0;
+}
+
+static drm_ioctl_desc_t ioctls[] = {
+
+};
+
+static struct drm_driver driver = {
+ .driver_features = 0,
+ .dev_priv_size = sizeof(u32),
+ .release = ffb_driver_release,
+ .presetup = ffb_presetup,
+ .pretakedown = ffb_driver_pretakedown,
+ .postcleanup = ffb_driver_postcleanup,
+ .kernel_context_switch = ffb_driver_context_switch,
+ .kernel_context_switch_unlock = ffb_driver_kernel_context_switch_unlock,
+ .get_map_ofs = ffb_driver_get_map_ofs,
+ .get_reg_ofs = ffb_driver_get_reg_ofs,
+ .postinit = postinit,
+ .version = version,
+ .ioctls = ioctls,
+ .num_ioctls = DRM_ARRAY_SIZE(ioctls),
+ .fops = {
+ .owner = THIS_MODULE,
+ .open = drm_open,
+ .release = drm_release,
+ .ioctl = drm_ioctl,
+ .mmap = drm_mmap,
+ .poll = drm_poll,
+ .fasync = drm_fasync,
+ },
+};
+
+static int __init ffb_init(void)
+{
+ return -ENODEV;
+}
+
+static void __exit ffb_exit(void)
+{
+}
+
+module_init(ffb_init);
+module_exit(ffb_exit);
+
+MODULE_AUTHOR( DRIVER_AUTHOR );
+MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_LICENSE("GPL and additional rights");
git://git.onelab.eu / linux-2.6.git / blobdiff