Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff
[linux-2.6.git] / drivers / char / drm / ffb_drv.c
index ec614ff..c13f9ab 100644 (file)
@@ -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;
@@ -132,34 +135,31 @@ 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) {
-               unsigned long uoff;
-
-               r_list = (drm_map_list_t *)list;
+               r_list = (drm_map_list_t *) list;
                map = r_list->map;
                if (!map)
                        continue;
-               uoff = (map->offset & 0xffffffff);
-               if (uoff == off)
+               if (r_list->user_token == off)
                        return map;
        }
 
@@ -169,8 +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;
@@ -178,8 +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
@@ -190,7 +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;
@@ -210,9 +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;
 
@@ -227,14 +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);
@@ -242,84 +237,80 @@ 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);
+       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);
+       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 = {
@@ -338,14 +329,15 @@ 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)
@@ -360,6 +352,6 @@ 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");