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path: root/drivers/char/drm/ffb_drv.c
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Diffstat (limited to 'drivers/char/drm/ffb_drv.c')
-rw-r--r--drivers/char/drm/ffb_drv.c139
1 files changed, 68 insertions, 71 deletions
diff --git a/drivers/char/drm/ffb_drv.c b/drivers/char/drm/ffb_drv.c
index 1bd0d55ee0f0b..5c121d6df9f2d 100644
--- a/drivers/char/drm/ffb_drv.c
+++ b/drivers/char/drm/ffb_drv.c
@@ -33,13 +33,13 @@ typedef struct _ffb_position_t {
static ffb_position_t *ffb_position;
-static void get_ffb_type(ffb_dev_priv_t *ffb_priv, int instance)
+static void get_ffb_type(ffb_dev_priv_t * ffb_priv, int instance)
{
volatile unsigned char *strap_bits;
unsigned char val;
strap_bits = (volatile unsigned char *)
- (ffb_priv->card_phys_base + 0x00200000UL);
+ (ffb_priv->card_phys_base + 0x00200000UL);
/* Don't ask, you have to read the value twice for whatever
* reason to get correct contents.
@@ -61,7 +61,8 @@ static void get_ffb_type(ffb_dev_priv_t *ffb_priv, int instance)
break;
case (0x1 << 5) | (0x0 << 3):
ffb_priv->ffb_type = ffb2_prototype;
- printk("ffb%d: Detected FFB2/vertical pre-FCS prototype\n", instance);
+ printk("ffb%d: Detected FFB2/vertical pre-FCS prototype\n",
+ instance);
break;
case (0x1 << 5) | (0x1 << 3):
ffb_priv->ffb_type = ffb2_vertical;
@@ -81,12 +82,13 @@ static void get_ffb_type(ffb_dev_priv_t *ffb_priv, int instance)
break;
default:
ffb_priv->ffb_type = ffb2_vertical;
- printk("ffb%d: Unknown boardID[%08x], assuming FFB2\n", instance, val);
+ printk("ffb%d: Unknown boardID[%08x], assuming FFB2\n",
+ instance, val);
break;
};
}
-static void ffb_apply_upa_parent_ranges(int parent,
+static void ffb_apply_upa_parent_ranges(int parent,
struct linux_prom64_registers *regs)
{
struct linux_prom64_ranges ranges[PROMREG_MAX];
@@ -97,7 +99,8 @@ static void ffb_apply_upa_parent_ranges(int parent,
if (strcmp(name, "upa") != 0)
return;
- len = prom_getproperty(parent, "ranges", (void *) ranges, sizeof(ranges));
+ len =
+ prom_getproperty(parent, "ranges", (void *)ranges, sizeof(ranges));
if (len <= 0)
return;
@@ -117,11 +120,11 @@ static void ffb_apply_upa_parent_ranges(int parent,
return;
}
-static int ffb_init_one(drm_device_t *dev, int prom_node, int parent_node,
+static int ffb_init_one(drm_device_t * dev, int prom_node, int parent_node,
int instance)
{
- struct linux_prom64_registers regs[2*PROMREG_MAX];
- ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *)dev->dev_private;
+ struct linux_prom64_registers regs[2 * PROMREG_MAX];
+ ffb_dev_priv_t *ffb_priv = (ffb_dev_priv_t *) dev->dev_private;
int i;
ffb_priv->prom_node = prom_node;
@@ -132,27 +135,27 @@ static int ffb_init_one(drm_device_t *dev, int prom_node, int parent_node,
ffb_apply_upa_parent_ranges(parent_node, &regs[0]);
ffb_priv->card_phys_base = regs[0].phys_addr;
ffb_priv->regs = (ffb_fbcPtr)
- (regs[0].phys_addr + 0x00600000UL);
+ (regs[0].phys_addr + 0x00600000UL);
get_ffb_type(ffb_priv, instance);
for (i = 0; i < FFB_MAX_CTXS; i++)
ffb_priv->hw_state[i] = NULL;
-
+
return 0;
}
static drm_map_t *ffb_find_map(struct file *filp, unsigned long off)
{
- drm_file_t *priv = filp->private_data;
- drm_device_t *dev;
- drm_map_list_t *r_list;
+ drm_file_t *priv = filp->private_data;
+ drm_device_t *dev;
+ drm_map_list_t *r_list;
struct list_head *list;
- drm_map_t *map;
+ drm_map_t *map;
if (!priv || (dev = priv->dev) == NULL)
return NULL;
list_for_each(list, &dev->maplist->head) {
- r_list = (drm_map_list_t *)list;
+ r_list = (drm_map_list_t *) list;
map = r_list->map;
if (!map)
continue;
@@ -166,8 +169,7 @@ static drm_map_t *ffb_find_map(struct file *filp, unsigned long off)
unsigned long ffb_get_unmapped_area(struct file *filp,
unsigned long hint,
unsigned long len,
- unsigned long pgoff,
- unsigned long flags)
+ unsigned long pgoff, unsigned long flags)
{
drm_map_t *map = ffb_find_map(filp, pgoff << PAGE_SHIFT);
unsigned long addr = -ENOMEM;
@@ -175,8 +177,7 @@ unsigned long ffb_get_unmapped_area(struct file *filp,
if (!map)
return get_unmapped_area(NULL, hint, len, pgoff, flags);
- if (map->type == _DRM_FRAME_BUFFER ||
- map->type == _DRM_REGISTERS) {
+ if (map->type == _DRM_FRAME_BUFFER || map->type == _DRM_REGISTERS) {
#ifdef HAVE_ARCH_FB_UNMAPPED_AREA
addr = get_fb_unmapped_area(filp, hint, len, pgoff, flags);
#else
@@ -187,7 +188,7 @@ unsigned long ffb_get_unmapped_area(struct file *filp,
addr = get_unmapped_area(NULL, hint, len + slack, pgoff, flags);
if (!(addr & ~PAGE_MASK)) {
- unsigned long kvirt = (unsigned long) map->handle;
+ unsigned long kvirt = (unsigned long)map->handle;
if ((kvirt & (SHMLBA - 1)) != (addr & (SHMLBA - 1))) {
unsigned long koff, aoff;
@@ -207,9 +208,9 @@ unsigned long ffb_get_unmapped_area(struct file *filp,
return addr;
}
-static int ffb_presetup(drm_device_t *dev)
+static int ffb_presetup(drm_device_t * dev)
{
- ffb_dev_priv_t *ffb_priv;
+ ffb_dev_priv_t *ffb_priv;
int ret = 0;
int i = 0;
@@ -224,14 +225,11 @@ static int ffb_presetup(drm_device_t *dev)
memset(ffb_priv, 0, sizeof(*ffb_priv));
dev->dev_private = ffb_priv;
- ret = ffb_init_one(dev,
- ffb_position[i].node,
- ffb_position[i].root,
- i);
+ ret = ffb_init_one(dev, ffb_position[i].node, ffb_position[i].root, i);
return ret;
}
-static void ffb_driver_release(drm_device_t *dev, struct file *filp)
+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);
@@ -239,84 +237,82 @@ static void ffb_driver_release(drm_device_t *dev, struct file *filp)
idx = context - 1;
if (fpriv &&
- context != DRM_KERNEL_CONTEXT &&
- fpriv->hw_state[idx] != NULL) {
+ 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)
+static void ffb_driver_pretakedown(drm_device_t * dev)
{
- if (dev->dev_private) kfree(dev->dev_private);
+ if (dev->dev_private)
+ kfree(dev->dev_private);
}
-static int ffb_driver_postcleanup(drm_device_t *dev)
+static int ffb_driver_postcleanup(drm_device_t * dev)
{
- if (ffb_position != NULL) kfree(ffb_position);
+ 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)
+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;
+ 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)
+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)
+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;
+ 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 )
+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
- );
+ 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 )
+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 );
+ 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 = {
@@ -335,14 +331,15 @@ static struct drm_driver driver = {
.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,
- },
+ .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)
@@ -357,6 +354,6 @@ static void __exit ffb_exit(void)
module_init(ffb_init);
module_exit(ffb_exit);
-MODULE_AUTHOR( DRIVER_AUTHOR );
-MODULE_DESCRIPTION( DRIVER_DESC );
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL and additional rights");
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-14 21:32:22 +0000