int mga_dma_flush( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
drm_lock_t lock;
LOCK_TEST_WITH_RETURN( dev, filp );
DRM_COPY_FROM_USER_IOCTL( lock, (drm_lock_t *)data, sizeof(lock) );
DRM_DEBUG( "%s%s%s\n",
(lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
(lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
(lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "" );
WRAP_WAIT_WITH_RETURN( dev_priv );
if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) {
mga_do_dma_flush( dev_priv );
}
if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
#if MGA_DMA_DEBUG
int ret = mga_do_wait_for_idle( dev_priv );
if ( ret < 0 )
DRM_INFO( "%s: -EBUSY\n", __FUNCTION__ );
return ret;
#else
return mga_do_wait_for_idle( dev_priv );
#endif
} else {
return 0;
}
}
int mga_dma_flush( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_mga_private_t *dev_priv = (drm_mga_private_t *)dev->dev_private;
drm_lock_t lock;
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &lock, (drm_lock_t *)arg, sizeof(lock) ) )
return -EFAULT;
DRM_DEBUG( "%s: %s%s%s\n",
__FUNCTION__,
(lock.flags & _DRM_LOCK_FLUSH) ? "flush, " : "",
(lock.flags & _DRM_LOCK_FLUSH_ALL) ? "flush all, " : "",
(lock.flags & _DRM_LOCK_QUIESCENT) ? "idle, " : "" );
WRAP_WAIT_WITH_RETURN( dev_priv );
if ( lock.flags & (_DRM_LOCK_FLUSH | _DRM_LOCK_FLUSH_ALL) ) {
mga_do_dma_flush( dev_priv );
}
if ( lock.flags & _DRM_LOCK_QUIESCENT ) {
#if MGA_DMA_DEBUG
int ret = mga_do_wait_for_idle( dev_priv );
if ( ret < 0 )
DRM_INFO( "%s: -EBUSY\n", __FUNCTION__ );
return ret;
#else
return mga_do_wait_for_idle( dev_priv );
#endif
} else {
return 0;
}
}
int mga_dma_iload( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg )
{
drm_file_t *priv = filp->private_data;
drm_device_t *dev = priv->dev;
drm_device_dma_t *dma = dev->dma;
drm_mga_private_t *dev_priv = dev->dev_private;
drm_buf_t *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_iload_t iload;
DRM_DEBUG( __FUNCTION__ ":\n" );
LOCK_TEST_WITH_RETURN( dev );
if ( copy_from_user( &iload, (drm_mga_iload_t *)arg, sizeof(iload) ) )
return -EFAULT;
#if 0
if ( mga_do_wait_for_idle( dev_priv ) < 0 ) {
if ( MGA_DMA_DEBUG )
DRM_INFO( __FUNCTION__": -EBUSY\n" );
return -EBUSY;
}
#endif
if(iload.idx < 0 || iload.idx > dma->buf_count) return -EINVAL;
buf = dma->buflist[iload.idx];
buf_priv = buf->dev_private;
if ( mga_verify_iload( dev_priv, iload.dstorg, iload.length ) ) {
mga_freelist_put( dev, buf );
return -EINVAL;
}
WRAP_TEST_WITH_RETURN( dev_priv );
mga_dma_dispatch_iload( dev, buf, iload.dstorg, iload.length );
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
static int mga_dma_iload(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
struct drm_device_dma *dma = dev->dma;
drm_mga_private_t *dev_priv = dev->dev_private;
struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_iload_t iload;
DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, filp);
DRM_COPY_FROM_USER_IOCTL(iload, (drm_mga_iload_t __user *) data,
sizeof(iload));
#if 0
if (mga_do_wait_for_idle(dev_priv) < 0) {
if (MGA_DMA_DEBUG)
DRM_INFO("%s: -EBUSY\n", __FUNCTION__);
return DRM_ERR(EBUSY);
}
#endif
if (iload.idx < 0 || iload.idx > dma->buf_count)
return DRM_ERR(EINVAL);
buf = dma->buflist[iload.idx];
buf_priv = buf->dev_private;
if (mga_verify_iload(dev_priv, iload.dstorg, iload.length)) {
mga_freelist_put(dev, buf);
return DRM_ERR(EINVAL);
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_iload(dev, buf, iload.dstorg, iload.length);
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
static int mga_dma_iload(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
struct drm_device_dma *dma = dev->dma;
drm_mga_private_t *dev_priv = dev->dev_private;
struct drm_buf *buf;
drm_mga_buf_priv_t *buf_priv;
drm_mga_iload_t *iload = data;
DRM_DEBUG("\n");
LOCK_TEST_WITH_RETURN(dev, file_priv);
#if 0
if (mga_do_wait_for_idle(dev_priv) < 0) {
if (MGA_DMA_DEBUG)
DRM_INFO("-EBUSY\n");
return -EBUSY;
}
#endif
if (iload->idx < 0 || iload->idx > dma->buf_count)
return -EINVAL;
buf = dma->buflist[iload->idx];
buf_priv = buf->dev_private;
if (mga_verify_iload(dev_priv, iload->dstorg, iload->length)) {
mga_freelist_put(dev, buf);
return -EINVAL;
}
WRAP_TEST_WITH_RETURN(dev_priv);
mga_dma_dispatch_iload(dev, buf, iload->dstorg, iload->length);
/* Make sure we restore the 3D state next time.
*/
dev_priv->sarea_priv->dirty |= MGA_UPLOAD_CONTEXT;
return 0;
}
static int mga_do_init_dma( drm_device_t *dev, drm_mga_init_t *init )
{
drm_mga_private_t *dev_priv;
int ret;
DRM_DEBUG( "\n" );
dev_priv = DRM(alloc)( sizeof(drm_mga_private_t), DRM_MEM_DRIVER );
if ( !dev_priv )
return -ENOMEM;
memset( dev_priv, 0, sizeof(drm_mga_private_t) );
dev_priv->chipset = init->chipset;
dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;
if ( init->sgram ) {
dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK;
} else {
dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR;
}
dev_priv->maccess = init->maccess;
dev_priv->fb_cpp = init->fb_cpp;
dev_priv->front_offset = init->front_offset;
dev_priv->front_pitch = init->front_pitch;
dev_priv->back_offset = init->back_offset;
dev_priv->back_pitch = init->back_pitch;
dev_priv->depth_cpp = init->depth_cpp;
dev_priv->depth_offset = init->depth_offset;
dev_priv->depth_pitch = init->depth_pitch;
/* FIXME: Need to support AGP textures...
*/
dev_priv->texture_offset = init->texture_offset[0];
dev_priv->texture_size = init->texture_size[0];
DRM_GETSAREA();
if(!dev_priv->sarea) {
DRM_ERROR( "failed to find sarea!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return -EINVAL;
}
DRM_FIND_MAP( dev_priv->fb, init->fb_offset );
if(!dev_priv->fb) {
DRM_ERROR( "failed to find framebuffer!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return -EINVAL;
}
DRM_FIND_MAP( dev_priv->mmio, init->mmio_offset );
if(!dev_priv->mmio) {
DRM_ERROR( "failed to find mmio region!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return -EINVAL;
}
DRM_FIND_MAP( dev_priv->status, init->status_offset );
if(!dev_priv->status) {
DRM_ERROR( "failed to find status page!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return -EINVAL;
}
DRM_FIND_MAP( dev_priv->warp, init->warp_offset );
if(!dev_priv->warp) {
DRM_ERROR( "failed to find warp microcode region!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return -EINVAL;
}
DRM_FIND_MAP( dev_priv->primary, init->primary_offset );
if(!dev_priv->primary) {
DRM_ERROR( "failed to find primary dma region!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return -EINVAL;
}
DRM_FIND_MAP( dev_priv->buffers, init->buffers_offset );
if(!dev_priv->buffers) {
DRM_ERROR( "failed to find dma buffer region!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return -EINVAL;
}
dev_priv->sarea_priv =
(drm_mga_sarea_t *)((u8 *)dev_priv->sarea->handle +
init->sarea_priv_offset);
DRM_IOREMAP( dev_priv->warp, dev );
DRM_IOREMAP( dev_priv->primary, dev );
DRM_IOREMAP( dev_priv->buffers, dev );
if(!dev_priv->warp->handle ||
!dev_priv->primary->handle ||
!dev_priv->buffers->handle ) {
DRM_ERROR( "failed to ioremap agp regions!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return -ENOMEM;
}
ret = mga_warp_install_microcode( dev_priv );
if ( ret < 0 ) {
DRM_ERROR( "failed to install WARP ucode!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return ret;
}
ret = mga_warp_init( dev_priv );
if ( ret < 0 ) {
DRM_ERROR( "failed to init WARP engine!\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return ret;
}
dev_priv->prim.status = (u32 *)dev_priv->status->handle;
mga_do_wait_for_idle( dev_priv );
/* Init the primary DMA registers.
*/
MGA_WRITE( MGA_PRIMADDRESS,
dev_priv->primary->offset | MGA_DMA_GENERAL );
#if 0
MGA_WRITE( MGA_PRIMPTR,
virt_to_bus((void *)dev_priv->prim.status) |
MGA_PRIMPTREN0 | /* Soft trap, SECEND, SETUPEND */
MGA_PRIMPTREN1 ); /* DWGSYNC */
#endif
dev_priv->prim.start = (u8 *)dev_priv->primary->handle;
dev_priv->prim.end = ((u8 *)dev_priv->primary->handle
+ dev_priv->primary->size);
dev_priv->prim.size = dev_priv->primary->size;
dev_priv->prim.tail = 0;
dev_priv->prim.space = dev_priv->prim.size;
dev_priv->prim.wrapped = 0;
dev_priv->prim.last_flush = 0;
dev_priv->prim.last_wrap = 0;
dev_priv->prim.high_mark = 256 * DMA_BLOCK_SIZE;
dev_priv->prim.status[0] = dev_priv->primary->offset;
dev_priv->prim.status[1] = 0;
dev_priv->sarea_priv->last_wrap = 0;
dev_priv->sarea_priv->last_frame.head = 0;
dev_priv->sarea_priv->last_frame.wrap = 0;
if ( mga_freelist_init( dev, dev_priv ) < 0 ) {
DRM_ERROR( "could not initialize freelist\n" );
/* Assign dev_private so we can do cleanup. */
dev->dev_private = (void *)dev_priv;
mga_do_cleanup_dma( dev );
return -ENOMEM;
}
/* Make dev_private visable to others. */
dev->dev_private = (void *)dev_priv;
return 0;
}
