Remove artificial PCI GART limitations, rename AGP to GART where

    appropriate

6 files changed, 64 insertions, 67 deletions

diff --git a/shared/radeon.h b/shared/radeon.h
index 7fe08ea8..a0531f4c 100644
--- a/shared/radeon.h
+++ b/shared/radeon.h
@@ -68,11 +68,11 @@
  * 1.5 - Add r200 packets to cmdbuf ioctl
  *     - Add r200 function to init ioctl
  *     - Add 'scalar2' instruction to cmdbuf
- * 1.6 - Add static agp memory manager
+ * 1.6 - Add static GART memory manager
  *       Add irq handler (won't be turned on unless X server knows to)
  *       Add irq ioctls and irq_active getparam.
  *       Add wait command for cmdbuf ioctl
- *       Add agp offset query for getparam
+ *       Add GART offset query for getparam
  * 1.7 - Add support for cube map registers: R200_PP_CUBIC_FACES_[0..5]
  *       and R200_PP_CUBIC_OFFSET_F1_[0..5].
  *       Added packets R200_EMIT_PP_CUBIC_FACES_[0..5] and
@@ -113,7 +113,7 @@
 
 /* When a client dies:
  *    - Check for and clean up flipped page state
- *    - Free any alloced agp memory.
+ *    - Free any alloced GART memory.
  *
  * DRM infrastructure takes care of reclaiming dma buffers.
  */
@@ -124,7 +124,7 @@ do {									\
 		if ( dev_priv->page_flipping ) {			\
 			radeon_do_cleanup_pageflip( dev );		\
 		}							\
-                radeon_mem_release( filp, dev_priv->agp_heap );		\
+                radeon_mem_release( filp, dev_priv->gart_heap );	\
                 radeon_mem_release( filp, dev_priv->fb_heap );		\
 	}								\
 } while (0)
diff --git a/shared/radeon_cp.c b/shared/radeon_cp.c
index f53ab5b7..3e3618e3 100644
--- a/shared/radeon_cp.c
+++ b/shared/radeon_cp.c
@@ -855,25 +855,23 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
 
 	/* Initialize the memory controller */
 	RADEON_WRITE( RADEON_MC_FB_LOCATION,
-		      (dev_priv->agp_vm_start - 1) & 0xffff0000 );
+		      (dev_priv->gart_vm_start - 1) & 0xffff0000 );
 
+#if __REALLY_HAVE_AGP
 	if ( !dev_priv->is_pci ) {
 		RADEON_WRITE( RADEON_MC_AGP_LOCATION,
-			      (((dev_priv->agp_vm_start - 1 +
-				 dev_priv->agp_size) & 0xffff0000) |
-			       (dev_priv->agp_vm_start >> 16)) );
-	}
+			      (((dev_priv->gart_vm_start - 1 +
+				 dev_priv->gart_size) & 0xffff0000) |
+			       (dev_priv->gart_vm_start >> 16)) );
 
-#if __REALLY_HAVE_AGP
-	if ( !dev_priv->is_pci )
 		ring_start = (dev_priv->cp_ring->offset
 			      - dev->agp->base
-			      + dev_priv->agp_vm_start);
-       else
+			      + dev_priv->gart_vm_start);
+       } else
 #endif
 		ring_start = (dev_priv->cp_ring->offset
 			      - dev->sg->handle
-			      + dev_priv->agp_vm_start);
+			      + dev_priv->gart_vm_start);
 
 	RADEON_WRITE( RADEON_CP_RB_BASE, ring_start );
 
@@ -891,7 +889,7 @@ static void radeon_cp_init_ring_buffer( drm_device_t *dev,
 		RADEON_WRITE( RADEON_CP_RB_RPTR_ADDR,
 			      dev_priv->ring_rptr->offset
 			      - dev->agp->base
-			      + dev_priv->agp_vm_start);
+			      + dev_priv->gart_vm_start);
 	} else
 #endif
 	{
@@ -989,11 +987,11 @@ static void radeon_set_pcigart( drm_radeon_private_t *dev_priv, int on )
 
 		/* set address range for PCI address translate
 		 */
-		RADEON_WRITE( RADEON_AIC_LO_ADDR, dev_priv->agp_vm_start );
-		RADEON_WRITE( RADEON_AIC_HI_ADDR, dev_priv->agp_vm_start
-						  + dev_priv->agp_size - 1);
+		RADEON_WRITE( RADEON_AIC_LO_ADDR, dev_priv->gart_vm_start );
+		RADEON_WRITE( RADEON_AIC_HI_ADDR, dev_priv->gart_vm_start
+						  + dev_priv->gart_size - 1);
 
-		/* Turn off AGP aperture -- is this required for PCIGART?
+		/* Turn off AGP aperture -- is this required for PCI GART?
 		 */
 		RADEON_WRITE( RADEON_MC_AGP_LOCATION, 0xffffffc0 ); /* ?? */
 		RADEON_WRITE( RADEON_AGP_COMMAND, 0 ); /* clear AGP_COMMAND */
@@ -1117,7 +1115,7 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init )
 	dev_priv->ring_offset = init->ring_offset;
 	dev_priv->ring_rptr_offset = init->ring_rptr_offset;
 	dev_priv->buffers_offset = init->buffers_offset;
-	dev_priv->agp_textures_offset = init->agp_textures_offset;
+	dev_priv->gart_textures_offset = init->gart_textures_offset;
 	
 	if(!dev_priv->sarea) {
 		DRM_ERROR("could not find sarea!\n");
@@ -1162,11 +1160,10 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init )
 		return DRM_ERR(EINVAL);
 	}
 
-	if ( !dev_priv->is_pci ) {
-		DRM_FIND_MAP( dev_priv->agp_textures,
-			      init->agp_textures_offset );
-		if(!dev_priv->agp_textures) {
-			DRM_ERROR("could not find agp texture region!\n");
+	if ( init->gart_textures_offset ) {
+		DRM_FIND_MAP( dev_priv->gart_textures, init->gart_textures_offset );
+		if ( !dev_priv->gart_textures ) {
+			DRM_ERROR("could not find GART texture region!\n");
 			dev->dev_private = (void *)dev_priv;
 			radeon_do_cleanup_cp(dev);
 			return DRM_ERR(EINVAL);
@@ -1208,25 +1205,25 @@ static int radeon_do_init_cp( drm_device_t *dev, drm_radeon_init_t *init )
 	}
 
 
-	dev_priv->agp_size = init->agp_size;
-	dev_priv->agp_vm_start = RADEON_READ( RADEON_CONFIG_APER_SIZE );
+	dev_priv->gart_size = init->gart_size;
+	dev_priv->gart_vm_start = RADEON_READ( RADEON_CONFIG_APER_SIZE );
 #if __REALLY_HAVE_AGP
 	if ( !dev_priv->is_pci )
-		dev_priv->agp_buffers_offset = (dev_priv->buffers->offset
+		dev_priv->gart_buffers_offset = (dev_priv->buffers->offset
 						- dev->agp->base
-						+ dev_priv->agp_vm_start);
+						+ dev_priv->gart_vm_start);
 	else
 #endif
-		dev_priv->agp_buffers_offset = (dev_priv->buffers->offset
+		dev_priv->gart_buffers_offset = (dev_priv->buffers->offset
 						- dev->sg->handle
-						+ dev_priv->agp_vm_start);
+						+ dev_priv->gart_vm_start);
 
-	DRM_DEBUG( "dev_priv->agp_size %d\n",
-		   dev_priv->agp_size );
-	DRM_DEBUG( "dev_priv->agp_vm_start 0x%x\n",
-		   dev_priv->agp_vm_start );
-	DRM_DEBUG( "dev_priv->agp_buffers_offset 0x%lx\n",
-		   dev_priv->agp_buffers_offset );
+	DRM_DEBUG( "dev_priv->gart_size %d\n",
+		   dev_priv->gart_size );
+	DRM_DEBUG( "dev_priv->gart_vm_start 0x%x\n",
+		   dev_priv->gart_vm_start );
+	DRM_DEBUG( "dev_priv->gart_buffers_offset 0x%lx\n",
+		   dev_priv->gart_buffers_offset );
 
 	dev_priv->ring.start = (u32 *)dev_priv->cp_ring->handle;
 	dev_priv->ring.end = ((u32 *)dev_priv->cp_ring->handle
@@ -1463,7 +1460,7 @@ void radeon_do_release( drm_device_t *dev )
 		RADEON_WRITE( RADEON_GEN_INT_CNTL, 0 );
 
 		/* Free memory heap structures */
-		radeon_mem_takedown( &(dev_priv->agp_heap) );
+		radeon_mem_takedown( &(dev_priv->gart_heap) );
 		radeon_mem_takedown( &(dev_priv->fb_heap) );
 
 		/* deallocate kernel resources */
diff --git a/shared/radeon_drm.h b/shared/radeon_drm.h
index 22fba171..c4a74649 100644
--- a/shared/radeon_drm.h
+++ b/shared/radeon_drm.h
@@ -214,11 +214,11 @@ typedef union {
 
 #define RADEON_NR_SAREA_CLIPRECTS	12
 
-/* There are 2 heaps (local/AGP).  Each region within a heap is a
+/* There are 2 heaps (local/GART).  Each region within a heap is a
  * minimum of 64k, and there are at most 64 of them per heap.
  */
 #define RADEON_LOCAL_TEX_HEAP		0
-#define RADEON_AGP_TEX_HEAP		1
+#define RADEON_GART_TEX_HEAP		1
 #define RADEON_NR_TEX_HEAPS		2
 #define RADEON_NR_TEX_REGIONS		64
 #define RADEON_LOG_TEX_GRANULARITY	16
@@ -400,7 +400,7 @@ typedef struct drm_radeon_init {
 	unsigned long sarea_priv_offset;
 	int is_pci;
 	int cp_mode;
-	int agp_size;
+	int gart_size;
 	int ring_size;
 	int usec_timeout;
 
@@ -415,7 +415,7 @@ typedef struct drm_radeon_init {
 	unsigned long ring_offset;
 	unsigned long ring_rptr_offset;
 	unsigned long buffers_offset;
-	unsigned long agp_textures_offset;
+	unsigned long gart_textures_offset;
 } drm_radeon_init_t;
 
 typedef struct drm_radeon_cp_stop {
@@ -525,18 +525,18 @@ typedef struct drm_radeon_indirect {
 /* 1.3: An ioctl to get parameters that aren't available to the 3d
  * client any other way.  
  */
-#define RADEON_PARAM_AGP_BUFFER_OFFSET     1 /* card offset of 1st agp buffer */
+#define RADEON_PARAM_GART_BUFFER_OFFSET    1 /* card offset of 1st GART buffer */
 #define RADEON_PARAM_LAST_FRAME            2
 #define RADEON_PARAM_LAST_DISPATCH         3
 #define RADEON_PARAM_LAST_CLEAR            4
 /* Added with DRM version 1.6. */
 #define RADEON_PARAM_IRQ_NR                5
-#define RADEON_PARAM_AGP_BASE              6 /* card offset of agp base */
+#define RADEON_PARAM_GART_BASE             6 /* card offset of GART base */
 /* Added with DRM version 1.8. */
 #define RADEON_PARAM_REGISTER_HANDLE       7 /* for drmMap() */
 #define RADEON_PARAM_STATUS_HANDLE         8
 #define RADEON_PARAM_SAREA_HANDLE          9
-#define RADEON_PARAM_AGP_TEX_HANDLE        10
+#define RADEON_PARAM_GART_TEX_HANDLE       10
 
 typedef struct drm_radeon_getparam {
 	int param;
@@ -545,14 +545,14 @@ typedef struct drm_radeon_getparam {
 
 /* 1.6: Set up a memory manager for regions of shared memory:
  */
-#define RADEON_MEM_REGION_AGP 1
-#define RADEON_MEM_REGION_FB  2
+#define RADEON_MEM_REGION_GART 1
+#define RADEON_MEM_REGION_FB   2
 
 typedef struct drm_radeon_mem_alloc {
 	int region;
 	int alignment;
 	int size;
-	int *region_offset;	/* offset from start of fb or agp */
+	int *region_offset;	/* offset from start of fb or GART */
 } drm_radeon_mem_alloc_t;
 
 typedef struct drm_radeon_mem_free {
diff --git a/shared/radeon_drv.h b/shared/radeon_drv.h
index 63756479..fd23aa28 100644
--- a/shared/radeon_drv.h
+++ b/shared/radeon_drv.h
@@ -73,9 +73,9 @@ typedef struct drm_radeon_private {
 	drm_radeon_ring_buffer_t ring;
 	drm_radeon_sarea_t *sarea_priv;
 
-	int agp_size;
-	u32 agp_vm_start;
-	unsigned long agp_buffers_offset;
+	int gart_size;
+	u32 gart_vm_start;
+	unsigned long gart_buffers_offset;
 
 	int cp_mode;
 	int cp_running;
@@ -130,7 +130,7 @@ typedef struct drm_radeon_private {
 	unsigned long ring_offset;
 	unsigned long ring_rptr_offset;
 	unsigned long buffers_offset;
-	unsigned long agp_textures_offset;
+	unsigned long gart_textures_offset;
 
 	drm_local_map_t *sarea;
 	drm_local_map_t *fb;
@@ -138,9 +138,9 @@ typedef struct drm_radeon_private {
 	drm_local_map_t *cp_ring;
 	drm_local_map_t *ring_rptr;
 	drm_local_map_t *buffers;
-	drm_local_map_t *agp_textures;
+	drm_local_map_t *gart_textures;
 
-	struct mem_block *agp_heap;
+	struct mem_block *gart_heap;
 	struct mem_block *fb_heap;
 
 	/* SW interrupt */
diff --git a/shared/radeon_mem.c b/shared/radeon_mem.c
index c3cbd3a9..3a3bf011 100644
--- a/shared/radeon_mem.c
+++ b/shared/radeon_mem.c
@@ -1,4 +1,4 @@
-/* radeon_mem.c -- Simple agp/fb memory manager for radeon -*- linux-c -*-
+/* radeon_mem.c -- Simple GART/fb memory manager for radeon -*- linux-c -*-
  *
  * Copyright (C) The Weather Channel, Inc.  2002.  All Rights Reserved.
  * 
@@ -35,7 +35,7 @@
 #include "radeon_drm.h"
 #include "radeon_drv.h"
 
-/* Very simple allocator for agp memory, working on a static range
+/* Very simple allocator for GART memory, working on a static range
  * already mapped into each client's address space.  
  */
 
@@ -212,8 +212,8 @@ static struct mem_block **get_heap( drm_radeon_private_t *dev_priv,
 				   int region )
 {
 	switch( region ) {
-	case RADEON_MEM_REGION_AGP:
- 		return &dev_priv->agp_heap; 
+	case RADEON_MEM_REGION_GART:
+ 		return &dev_priv->gart_heap; 
 	case RADEON_MEM_REGION_FB:
 		return &dev_priv->fb_heap;
 	default:
diff --git a/shared/radeon_state.c b/shared/radeon_state.c
index baa63226..833f9698 100644
--- a/shared/radeon_state.c
+++ b/shared/radeon_state.c
@@ -893,7 +893,7 @@ static void radeon_cp_dispatch_vertex( drm_device_t *dev,
 {
 	drm_radeon_private_t *dev_priv = dev->dev_private;
 	drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	int offset = dev_priv->agp_buffers_offset + buf->offset + prim->start;
+	int offset = dev_priv->gart_buffers_offset + buf->offset + prim->start;
 	int numverts = (int)prim->numverts;
 	int nbox = sarea_priv->nbox;
 	int i = 0;
@@ -966,7 +966,7 @@ static void radeon_cp_dispatch_indirect( drm_device_t *dev,
 		   buf->idx, start, end );
 
 	if ( start != end ) {
-		int offset = (dev_priv->agp_buffers_offset
+		int offset = (dev_priv->gart_buffers_offset
 			      + buf->offset + start);
 		int dwords = (end - start + 3) / sizeof(u32);
 
@@ -999,7 +999,7 @@ static void radeon_cp_dispatch_indices( drm_device_t *dev,
 {
 	drm_radeon_private_t *dev_priv = dev->dev_private;
 	drm_radeon_sarea_t *sarea_priv = dev_priv->sarea_priv;
-	int offset = dev_priv->agp_buffers_offset + prim->offset;
+	int offset = dev_priv->gart_buffers_offset + prim->offset;
 	u32 *data;
 	int dwords;
 	int i = 0;
@@ -2159,8 +2159,8 @@ int radeon_cp_getparam( DRM_IOCTL_ARGS )
 	DRM_DEBUG( "pid=%d\n", DRM_CURRENTPID );
 
 	switch( param.param ) {
-	case RADEON_PARAM_AGP_BUFFER_OFFSET:
-		value = dev_priv->agp_buffers_offset;
+	case RADEON_PARAM_GART_BUFFER_OFFSET:
+		value = dev_priv->gart_buffers_offset;
 		break;
 	case RADEON_PARAM_LAST_FRAME:
 		dev_priv->stats.last_frame_reads++;
@@ -2176,8 +2176,8 @@ int radeon_cp_getparam( DRM_IOCTL_ARGS )
 	case RADEON_PARAM_IRQ_NR:
 		value = dev->irq;
 		break;
-	case RADEON_PARAM_AGP_BASE:
-		value = dev_priv->agp_vm_start;
+	case RADEON_PARAM_GART_BASE:
+		value = dev_priv->gart_vm_start;
 		break;
 	case RADEON_PARAM_REGISTER_HANDLE:
 		value = dev_priv->mmio_offset;
@@ -2189,8 +2189,8 @@ int radeon_cp_getparam( DRM_IOCTL_ARGS )
 		/* The lock is the first dword in the sarea. */
 		value = (int)dev->lock.hw_lock; 
 		break;	
-	case RADEON_PARAM_AGP_TEX_HANDLE:
-		value = dev_priv->agp_textures_offset;
+	case RADEON_PARAM_GART_TEX_HANDLE:
+		value = dev_priv->gart_textures_offset;
 		break;
 	default:
 		return DRM_ERR(EINVAL);