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Diffstat (limited to 'linux/r128_cce.c')
-rw-r--r--linux/r128_cce.c95
1 files changed, 78 insertions, 17 deletions
diff --git a/linux/r128_cce.c b/linux/r128_cce.c
index c0e20c213..1ced05fe9 100644
--- a/linux/r128_cce.c
+++ b/linux/r128_cce.c
@@ -178,6 +178,8 @@ static void r128_cce_load_microcode( drm_r128_private_t *dev_priv )
{
int i;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
r128_do_wait_for_idle( dev_priv );
R128_WRITE( R128_PM4_MICROCODE_ADDR, 0 );
@@ -208,7 +210,7 @@ int r128_do_cce_idle( drm_r128_private_t *dev_priv )
int i;
for ( i = 0 ; i < dev_priv->usec_timeout ; i++ ) {
- if ( *dev_priv->ring.head == dev_priv->ring.tail ) {
+ if ( GET_RING_HEAD( &dev_priv->ring ) == dev_priv->ring.tail ) {
int pm4stat = R128_READ( R128_PM4_STAT );
if ( ( (pm4stat & R128_PM4_FIFOCNT_MASK) >=
dev_priv->cce_fifo_size ) &&
@@ -249,7 +251,7 @@ static void r128_do_cce_reset( drm_r128_private_t *dev_priv )
{
R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 );
R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 );
- *dev_priv->ring.head = 0;
+ SET_RING_HEAD( &dev_priv->ring, 0 );
dev_priv->ring.tail = 0;
}
@@ -312,19 +314,43 @@ static void r128_cce_init_ring_buffer( drm_device_t *dev )
u32 ring_start;
u32 tmp;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
/* The manual (p. 2) says this address is in "VM space". This
* means it's an offset from the start of AGP space.
*/
- ring_start = dev_priv->cce_ring->offset - dev->agp->base;
+#if __REALLY_HAVE_AGP
+ if ( !dev_priv->is_pci )
+ ring_start = dev_priv->cce_ring->offset - dev->agp->base;
+ else
+#endif
+ ring_start = dev_priv->cce_ring->offset - dev->sg->handle;
+
R128_WRITE( R128_PM4_BUFFER_OFFSET, ring_start | R128_AGP_OFFSET );
R128_WRITE( R128_PM4_BUFFER_DL_WPTR, 0 );
R128_WRITE( R128_PM4_BUFFER_DL_RPTR, 0 );
/* DL_RPTR_ADDR is a physical address in AGP space. */
- *dev_priv->ring.head = 0;
- R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
- dev_priv->ring_rptr->offset );
+ SET_RING_HEAD( &dev_priv->ring, 0 );
+
+ if ( !dev_priv->is_pci ) {
+ R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
+ dev_priv->ring_rptr->offset );
+ } else {
+ drm_sg_mem_t *entry = dev->sg;
+ unsigned long tmp_ofs, page_ofs;
+
+ tmp_ofs = dev_priv->ring_rptr->offset - dev->sg->handle;
+ page_ofs = tmp_ofs >> PAGE_SHIFT;
+
+ R128_WRITE( R128_PM4_BUFFER_DL_RPTR_ADDR,
+ virt_to_bus(entry->pagelist[page_ofs]->virtual));
+
+ DRM_DEBUG( "ring rptr: offset=0x%08lx handle=0x%08lx\n",
+ virt_to_bus(entry->pagelist[page_ofs]->virtual),
+ entry->handle + tmp_ofs );
+ }
/* Set watermark control */
R128_WRITE( R128_PM4_BUFFER_WM_CNTL,
@@ -346,6 +372,8 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
drm_r128_private_t *dev_priv;
struct list_head *list;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
dev_priv = DRM(alloc)( sizeof(drm_r128_private_t), DRM_MEM_DRIVER );
if ( dev_priv == NULL )
return -ENOMEM;
@@ -355,11 +383,9 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
dev_priv->is_pci = init->is_pci;
- /* GH: We don't support PCI cards until PCI GART is implemented.
- * Fail here so we can remove all checks for PCI cards around
- * the CCE ring code.
- */
- if ( dev_priv->is_pci ) {
+ if ( dev_priv->is_pci && !dev->sg ) {
+ DRM_DEBUG( "PCI GART memory not allocated!\n" );
+ DRM_ERROR( "PCI GART memory not allocated!\n" );
DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER );
dev->dev_private = NULL;
return -EINVAL;
@@ -368,6 +394,7 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
dev_priv->usec_timeout = init->usec_timeout;
if ( dev_priv->usec_timeout < 1 ||
dev_priv->usec_timeout > R128_MAX_USEC_TIMEOUT ) {
+ DRM_DEBUG( "TIMEOUT problem!\n" );
DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER );
dev->dev_private = NULL;
return -EINVAL;
@@ -387,6 +414,7 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
( init->cce_mode != R128_PM4_128BM_64INDBM ) &&
( init->cce_mode != R128_PM4_64BM_128INDBM ) &&
( init->cce_mode != R128_PM4_64BM_64VCBM_64INDBM ) ) {
+ DRM_DEBUG( "Bad cce_mode!\n" );
DRM(free)( dev_priv, sizeof(*dev_priv), DRM_MEM_DRIVER );
dev->dev_private = NULL;
return -EINVAL;
@@ -476,9 +504,24 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
(drm_r128_sarea_t *)((u8 *)dev_priv->sarea->handle +
init->sarea_priv_offset);
- DRM_IOREMAP( dev_priv->cce_ring );
- DRM_IOREMAP( dev_priv->ring_rptr );
- DRM_IOREMAP( dev_priv->buffers );
+ if ( !dev_priv->is_pci ) {
+ DRM_IOREMAP( dev_priv->cce_ring );
+ DRM_IOREMAP( dev_priv->ring_rptr );
+ DRM_IOREMAP( dev_priv->buffers );
+ } else {
+ dev_priv->cce_ring->handle =
+ (void *)dev_priv->cce_ring->offset;
+ dev_priv->ring_rptr->handle =
+ (void *)dev_priv->ring_rptr->offset;
+ dev_priv->buffers->handle = (void *)dev_priv->buffers->offset;
+ }
+
+#if __REALLY_HAVE_AGP
+ if ( !dev_priv->is_pci )
+ dev_priv->cce_buffers_offset = dev->agp->base;
+ else
+#endif
+ dev_priv->cce_buffers_offset = dev->sg->handle;
dev_priv->ring.head = ((__volatile__ u32 *)
dev_priv->ring_rptr->handle);
@@ -501,6 +544,20 @@ static int r128_do_init_cce( drm_device_t *dev, drm_r128_init_t *init )
R128_WRITE( R128_LAST_DISPATCH_REG,
dev_priv->sarea_priv->last_dispatch );
+ if ( dev_priv->is_pci ) {
+ dev_priv->phys_pci_gart = DRM(ati_pcigart_init)( dev );
+ if ( !dev_priv->phys_pci_gart ) {
+ DRM_DEBUG( "failed to init PCI GART!\n" );
+ DRM_ERROR( "failed to init PCI GART!\n" );
+ DRM(free)( dev_priv, sizeof(*dev_priv),
+ DRM_MEM_DRIVER );
+ dev->dev_private = NULL;
+ return -EINVAL;
+ }
+ R128_WRITE( R128_PCI_GART_PAGE,
+ virt_to_bus( (void *)dev_priv->phys_pci_gart ) );
+ }
+
r128_cce_init_ring_buffer( dev );
r128_cce_load_microcode( dev_priv );
r128_do_engine_reset( dev );
@@ -513,9 +570,11 @@ int r128_do_cleanup_cce( drm_device_t *dev )
if ( dev->dev_private ) {
drm_r128_private_t *dev_priv = dev->dev_private;
- DRM_IOREMAPFREE( dev_priv->cce_ring );
- DRM_IOREMAPFREE( dev_priv->ring_rptr );
- DRM_IOREMAPFREE( dev_priv->buffers );
+ if ( !dev_priv->is_pci ) {
+ DRM_IOREMAPFREE( dev_priv->cce_ring );
+ DRM_IOREMAPFREE( dev_priv->ring_rptr );
+ DRM_IOREMAPFREE( dev_priv->buffers );
+ }
DRM(free)( dev->dev_private, sizeof(drm_r128_private_t),
DRM_MEM_DRIVER );
@@ -532,6 +591,8 @@ int r128_cce_init( struct inode *inode, struct file *filp,
drm_device_t *dev = priv->dev;
drm_r128_init_t init;
+ DRM_DEBUG( "%s\n", __FUNCTION__ );
+
if ( copy_from_user( &init, (drm_r128_init_t *)arg, sizeof(init) ) )
return -EFAULT;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-25 14:24:37 +0000