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yaml
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r: 6474
b: refs/heads/master
c: 7ab9840
h: refs/heads/master
v: v3
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Dave Airlie authored and Dave Airlie committed Jul 10, 2005
1 parent 0ca84c3 commit f24bfcb
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Showing 5 changed files with 168 additions and 102 deletions.
2 changes: 1 addition & 1 deletion [refs]
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Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 9c8da5ebbf6f87293cf8555182da271449889a69
refs/heads/master: 7ab984012a879a53abb56abfe03b0c686f42b281
34 changes: 21 additions & 13 deletions trunk/drivers/char/drm/drmP.h
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Original file line number Diff line number Diff line change
Expand Up @@ -889,11 +889,16 @@ extern int drm_lock_free(drm_device_t *dev,
unsigned int context);

/* Buffer management support (drm_bufs.h) */
extern int drm_addmap(drm_device_t *dev, unsigned int offset,
unsigned int size, drm_map_type_t type,
drm_map_flags_t flags, drm_map_t **map_ptr);
extern int drm_addmap_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_rmmap(drm_device_t *dev, void *handle);
extern int drm_rmmap_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);

extern int drm_order( unsigned long size );
extern int drm_addmap( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
extern int drm_rmmap( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
extern int drm_addbufs( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
extern int drm_infobufs( struct inode *inode, struct file *filp,
Expand Down Expand Up @@ -927,15 +932,18 @@ extern void drm_vbl_send_signals( drm_device_t *dev );

/* AGP/GART support (drm_agpsupport.h) */
extern drm_agp_head_t *drm_agp_init(drm_device_t *dev);
extern int drm_agp_acquire(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern void drm_agp_do_release(drm_device_t *dev);
extern int drm_agp_release(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_enable(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_info(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_acquire(drm_device_t * dev);
extern int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_release(drm_device_t *dev);
extern int drm_agp_release_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_enable(drm_device_t *dev, drm_agp_mode_t mode);
extern int drm_agp_enable_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_info(drm_device_t * dev, drm_agp_info_t *info);
extern int drm_agp_info_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_alloc(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int drm_agp_free(struct inode *inode, struct file *filp,
Expand Down
135 changes: 79 additions & 56 deletions trunk/drivers/char/drm/drm_agpsupport.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,7 +37,7 @@
#if __OS_HAS_AGP

/**
* AGP information ioctl.
* Get AGP information.
*
* \param inode device inode.
* \param filp file pointer.
Expand All @@ -48,51 +48,56 @@
* Verifies the AGP device has been initialized and acquired and fills in the
* drm_agp_info structure with the information in drm_agp_head::agp_info.
*/
int drm_agp_info(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
int drm_agp_info(drm_device_t *dev, drm_agp_info_t *info)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
DRM_AGP_KERN *kern;
drm_agp_info_t info;

if (!dev->agp || !dev->agp->acquired)
return -EINVAL;

kern = &dev->agp->agp_info;
info.agp_version_major = kern->version.major;
info.agp_version_minor = kern->version.minor;
info.mode = kern->mode;
info.aperture_base = kern->aper_base;
info.aperture_size = kern->aper_size * 1024 * 1024;
info.memory_allowed = kern->max_memory << PAGE_SHIFT;
info.memory_used = kern->current_memory << PAGE_SHIFT;
info.id_vendor = kern->device->vendor;
info.id_device = kern->device->device;

if (copy_to_user((drm_agp_info_t __user *)arg, &info, sizeof(info)))
info->agp_version_major = kern->version.major;
info->agp_version_minor = kern->version.minor;
info->mode = kern->mode;
info->aperture_base = kern->aper_base;
info->aperture_size = kern->aper_size * 1024 * 1024;
info->memory_allowed = kern->max_memory << PAGE_SHIFT;
info->memory_used = kern->current_memory << PAGE_SHIFT;
info->id_vendor = kern->device->vendor;
info->id_device = kern->device->device;

return 0;
}
EXPORT_SYMBOL(drm_agp_info);

int drm_agp_info_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_agp_info_t info;
int err;

err = drm_agp_info(dev, &info);
if (err)
return err;

if (copy_to_user((drm_agp_info_t __user *) arg, &info, sizeof(info)))
return -EFAULT;
return 0;
}

/**
* Acquire the AGP device (ioctl).
* Acquire the AGP device.
*
* \param inode device inode.
* \param filp file pointer.
* \param cmd command.
* \param arg user argument.
* \param dev DRM device that is to acquire AGP
* \return zero on success or a negative number on failure.
*
* Verifies the AGP device hasn't been acquired before and calls
* agp_acquire().
* \c agp_backend_acquire.
*/
int drm_agp_acquire(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
int drm_agp_acquire(drm_device_t *dev)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;

if (!dev->agp)
return -ENODEV;
if (dev->agp->acquired)
Expand All @@ -102,73 +107,91 @@ int drm_agp_acquire(struct inode *inode, struct file *filp,
dev->agp->acquired = 1;
return 0;
}
EXPORT_SYMBOL(drm_agp_acquire);

/**
* Release the AGP device (ioctl).
* Acquire the AGP device (ioctl).
*
* \param inode device inode.
* \param filp file pointer.
* \param cmd command.
* \param arg user argument.
* \return zero on success or a negative number on failure.
*
* Verifies the AGP device has been acquired and calls agp_backend_release().
* Verifies the AGP device hasn't been acquired before and calls
* \c agp_backend_acquire.
*/
int drm_agp_release(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
int drm_agp_acquire_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_file_t *priv = filp->private_data;

return drm_agp_acquire( (drm_device_t *) priv->head->dev );
}

/**
* Release the AGP device.
*
* \param dev DRM device that is to release AGP
* \return zero on success or a negative number on failure.
*
* Verifies the AGP device has been acquired and calls \c agp_backend_release.
*/
int drm_agp_release(drm_device_t *dev)
{
if (!dev->agp || !dev->agp->acquired)
return -EINVAL;
agp_backend_release(dev->agp->bridge);
dev->agp->acquired = 0;
return 0;

}
EXPORT_SYMBOL(drm_agp_release);

/**
* Release the AGP device.
*
* Calls agp_backend_release().
*/
void drm_agp_do_release(drm_device_t *dev)
int drm_agp_release_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
agp_backend_release(dev->agp->bridge);
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;

return drm_agp_release(dev);
}

/**
* Enable the AGP bus.
*
* \param inode device inode.
* \param filp file pointer.
* \param cmd command.
* \param arg pointer to a drm_agp_mode structure.
* \param dev DRM device that has previously acquired AGP.
* \param mode Requested AGP mode.
* \return zero on success or a negative number on failure.
*
* Verifies the AGP device has been acquired but not enabled, and calls
* agp_enable().
* \c agp_enable.
*/
int drm_agp_enable(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
int drm_agp_enable(drm_device_t *dev, drm_agp_mode_t mode)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_agp_mode_t mode;

if (!dev->agp || !dev->agp->acquired)
return -EINVAL;

if (copy_from_user(&mode, (drm_agp_mode_t __user *)arg, sizeof(mode)))
return -EFAULT;

dev->agp->mode = mode.mode;
agp_enable(dev->agp->bridge, mode.mode);
dev->agp->base = dev->agp->agp_info.aper_base;
dev->agp->enabled = 1;
return 0;
}
EXPORT_SYMBOL(drm_agp_enable);

int drm_agp_enable_ioctl(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg)
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->head->dev;
drm_agp_mode_t mode;


if (copy_from_user(&mode, (drm_agp_mode_t __user *) arg, sizeof(mode)))
return -EFAULT;

return drm_agp_enable(dev, mode);
}

/**
* Allocate AGP memory.
Expand Down
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