From fec94a82748b3603da7239e39d247a9654765659 Mon Sep 17 00:00:00 2001
From: Dave Airlie <airlied@linux.ie>
Date: Sat, 9 Oct 2004 11:12:24 +0000
Subject: Lindent the via stuff so I can include it in kernel

---
 shared/via_mm.c | 527 ++++++++++++++++++++++++++++----------------------------
 1 file changed, 262 insertions(+), 265 deletions(-)

(limited to 'shared/via_mm.c')

diff --git a/shared/via_mm.c b/shared/via_mm.c
index 5a30e30d..37a2eab0 100644
--- a/shared/via_mm.c
+++ b/shared/via_mm.c
@@ -33,331 +33,328 @@
 unsigned int VIA_DEBUG = 1;
 
 typedef struct {
-        int used;
-        int context;
-        set_t *sets[2]; /* 0 for frame buffer, 1 for AGP , 2 for System*/
+	int used;
+	int context;
+	set_t *sets[2];		/* 0 for frame buffer, 1 for AGP , 2 for System */
 } via_context_t;
 
 static via_context_t global_ppriv[MAX_CONTEXT];
 
 static int add_alloc_set(int context, int type, unsigned int val)
 {
-        int i, retval = 0;
-  
-        for (i = 0; i < MAX_CONTEXT; i++) {
-                if (global_ppriv[i].used && 
-                    global_ppriv[i].context == context) {
-                        retval = via_setAdd(global_ppriv[i].sets[type], val);
-                        break;
-                }
-        }
-  
-        return retval;
+	int i, retval = 0;
+
+	for (i = 0; i < MAX_CONTEXT; i++) {
+		if (global_ppriv[i].used && global_ppriv[i].context == context) {
+			retval = via_setAdd(global_ppriv[i].sets[type], val);
+			break;
+		}
+	}
+
+	return retval;
 }
 
 static int del_alloc_set(int context, int type, unsigned int val)
-{  
-        int i, retval = 0;
-  
-        for (i = 0; i < MAX_CONTEXT; i++)
-                if (global_ppriv[i].used && 
-                    global_ppriv[i].context == context) {
-                        retval = via_setDel(global_ppriv[i].sets[type], val);
-                        break;
-                }
-  
-        return retval;
+{
+	int i, retval = 0;
+
+	for (i = 0; i < MAX_CONTEXT; i++)
+		if (global_ppriv[i].used && global_ppriv[i].context == context) {
+			retval = via_setDel(global_ppriv[i].sets[type], val);
+			break;
+		}
+
+	return retval;
 }
 
-/* agp memory management */ 
+/* agp memory management */
 static memHeap_t *AgpHeap = NULL;
 
-int via_agp_init( DRM_IOCTL_ARGS )
+int via_agp_init(DRM_IOCTL_ARGS)
 {
-        drm_via_agp_t agp;
-  
-        DRM_COPY_FROM_USER_IOCTL(agp, (drm_via_agp_t *)data, sizeof(agp));
+	drm_via_agp_t agp;
+
+	DRM_COPY_FROM_USER_IOCTL(agp, (drm_via_agp_t *) data, sizeof(agp));
 
-        AgpHeap = via_mmInit(agp.offset, agp.size);
+	AgpHeap = via_mmInit(agp.offset, agp.size);
 
-        DRM_DEBUG("offset = %lu, size = %lu", agp.offset, agp.size);
-  
-        return 0;
+	DRM_DEBUG("offset = %lu, size = %lu", agp.offset, agp.size);
+
+	return 0;
 }
 
-/* fb memory management */ 
+/* fb memory management */
 static memHeap_t *FBHeap = NULL;
 
-int via_fb_init( DRM_IOCTL_ARGS )
+int via_fb_init(DRM_IOCTL_ARGS)
 {
-        drm_via_fb_t fb;
+	drm_via_fb_t fb;
 
-   
-        DRM_COPY_FROM_USER_IOCTL(fb, (drm_via_fb_t *)data, sizeof(fb));
+	DRM_COPY_FROM_USER_IOCTL(fb, (drm_via_fb_t *) data, sizeof(fb));
 
-        FBHeap = via_mmInit(fb.offset, fb.size);
+	FBHeap = via_mmInit(fb.offset, fb.size);
 
-        DRM_DEBUG("offset = %lu, size = %lu", fb.offset, fb.size);
+	DRM_DEBUG("offset = %lu, size = %lu", fb.offset, fb.size);
 
-        return 0;
+	return 0;
 }
 
 int via_init_context(struct drm_device *dev, int context)
 {
-        int i;
-    
-        for (i = 0; i < MAX_CONTEXT ; i++)
-                if (global_ppriv[i].used && 
-                    (global_ppriv[i].context == context))
-                        break;
-    
-        if (i >= MAX_CONTEXT) {
-                for (i = 0; i < MAX_CONTEXT ; i++) {
-                        if (!global_ppriv[i].used) {
-                                global_ppriv[i].context = context;
-                                global_ppriv[i].used = 1;
-                                global_ppriv[i].sets[0] = via_setInit();
-                                global_ppriv[i].sets[1] = via_setInit();
-                                DRM_DEBUG("init allocation set, socket=%d,"
-                                          " context = %d\n", i, context);
-                                break;
-                        }
-                }
-	
-                if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) ||
-                    (global_ppriv[i].sets[1] == NULL)) {
-                        return 0;
-                }
-        }
-    
-        return 1;
+	int i;
+
+	for (i = 0; i < MAX_CONTEXT; i++)
+		if (global_ppriv[i].used &&
+		    (global_ppriv[i].context == context))
+			break;
+
+	if (i >= MAX_CONTEXT) {
+		for (i = 0; i < MAX_CONTEXT; i++) {
+			if (!global_ppriv[i].used) {
+				global_ppriv[i].context = context;
+				global_ppriv[i].used = 1;
+				global_ppriv[i].sets[0] = via_setInit();
+				global_ppriv[i].sets[1] = via_setInit();
+				DRM_DEBUG("init allocation set, socket=%d,"
+					  " context = %d\n", i, context);
+				break;
+			}
+		}
+
+		if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) ||
+		    (global_ppriv[i].sets[1] == NULL)) {
+			return 0;
+		}
+	}
+
+	return 1;
 }
 
 int via_final_context(struct drm_device *dev, int context)
 {
-        int i;
-        for (i=0; i<MAX_CONTEXT; i++)
-                if (global_ppriv[i].used && 
-                    (global_ppriv[i].context == context))
-                        break;
-    
-        if (i < MAX_CONTEXT) {
-                set_t *set;
-                unsigned int item;
-                int retval;
-	  
-                DRM_DEBUG("find socket %d, context = %d\n", i, context);
-	    
-                /* Video Memory */
-                set = global_ppriv[i].sets[0];
-                retval = via_setFirst(set, &item);
-                while (retval) {
-                        DRM_DEBUG("free video memory 0x%x\n", item);
-                        via_mmFreeMem((PMemBlock)item);
-                        retval = via_setNext(set, &item);
-                }
-                via_setDestroy(set);
-	    
-                /* AGP Memory */
-                set = global_ppriv[i].sets[1];
-                retval = via_setFirst(set, &item);
-                while (retval) {
-                        DRM_DEBUG("free agp memory 0x%x\n", item);
-                        via_mmFreeMem((PMemBlock)item);
-                        retval = via_setNext(set, &item);
-                }
-                via_setDestroy(set);
-	
-                global_ppriv[i].used = 0;	  
-        }
-
+	int i;
+	for (i = 0; i < MAX_CONTEXT; i++)
+		if (global_ppriv[i].used &&
+		    (global_ppriv[i].context == context))
+			break;
+
+	if (i < MAX_CONTEXT) {
+		set_t *set;
+		unsigned int item;
+		int retval;
+
+		DRM_DEBUG("find socket %d, context = %d\n", i, context);
+
+		/* Video Memory */
+		set = global_ppriv[i].sets[0];
+		retval = via_setFirst(set, &item);
+		while (retval) {
+			DRM_DEBUG("free video memory 0x%x\n", item);
+			via_mmFreeMem((PMemBlock) item);
+			retval = via_setNext(set, &item);
+		}
+		via_setDestroy(set);
+
+		/* AGP Memory */
+		set = global_ppriv[i].sets[1];
+		retval = via_setFirst(set, &item);
+		while (retval) {
+			DRM_DEBUG("free agp memory 0x%x\n", item);
+			via_mmFreeMem((PMemBlock) item);
+			retval = via_setNext(set, &item);
+		}
+		via_setDestroy(set);
+
+		global_ppriv[i].used = 0;
+	}
 #if defined(__linux__)
-        /* Linux specific until context tracking code gets ported to BSD */
+	/* Linux specific until context tracking code gets ported to BSD */
 	/* Last context, perform cleanup */
 	if (dev->ctx_count == 1 && dev->dev_private) {
-		if (dev->irq) DRM(irq_uninstall)(dev);
+		if (dev->irq)
+			DRM(irq_uninstall) (dev);
 
 		via_do_cleanup_map(dev);
 	}
 #endif
-    
-        return 1;
+
+	return 1;
 }
-int via_mem_alloc( DRM_IOCTL_ARGS)
+
+int via_mem_alloc(DRM_IOCTL_ARGS)
 {
-        drm_via_mem_t mem;
-    
-        DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t *)data, sizeof(mem));
-        switch (mem.type) {
-        case VIDEO :
-                if (via_fb_alloc(&mem) < 0)
-                        return -EFAULT;
-                DRM_COPY_TO_USER_IOCTL((drm_via_mem_t *)data, mem, 
-                                       sizeof(mem));
-                return 0;
-        case AGP :
-                if (via_agp_alloc(&mem) < 0)
-                        return -EFAULT;
-                DRM_COPY_TO_USER_IOCTL((drm_via_mem_t *)data, mem, 
-                                       sizeof(mem));
-                return 0;
-        }
-
-        return -EFAULT;
+	drm_via_mem_t mem;
+
+	DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t *) data, sizeof(mem));
+	switch (mem.type) {
+	case VIDEO:
+		if (via_fb_alloc(&mem) < 0)
+			return -EFAULT;
+		DRM_COPY_TO_USER_IOCTL((drm_via_mem_t *) data, mem,
+				       sizeof(mem));
+		return 0;
+	case AGP:
+		if (via_agp_alloc(&mem) < 0)
+			return -EFAULT;
+		DRM_COPY_TO_USER_IOCTL((drm_via_mem_t *) data, mem,
+				       sizeof(mem));
+		return 0;
+	}
+
+	return -EFAULT;
 }
 
-int via_fb_alloc(drm_via_mem_t* mem)
+int via_fb_alloc(drm_via_mem_t * mem)
 {
-        drm_via_mm_t fb;
-        PMemBlock block;
-        int retval = 0;
-   
-        if (!FBHeap)
-                return -1;
-
-        fb.size = mem->size;
-        fb.context = mem->context;
-  
-        block = via_mmAllocMem(FBHeap, fb.size, 5, 0);
-        if (block) {
-                fb.offset = block->ofs;
-                fb.free = (unsigned int)block;
-                if (!add_alloc_set(fb.context, VIDEO, fb.free)) {
-                        DRM_DEBUG("adding to allocation set fails\n");
-                        via_mmFreeMem((PMemBlock)fb.free);
-                        retval = -1;
-                }
-        }
-        else {  
-                fb.offset = 0;
-                fb.size = 0;
-                fb.free = 0;
-                retval = -1;
-        }
-   
-        mem->offset = fb.offset;
-        mem->index = fb.free;
-
-        DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, 
-                  (int)fb.offset);
-  
-        return retval;
+	drm_via_mm_t fb;
+	PMemBlock block;
+	int retval = 0;
+
+	if (!FBHeap)
+		return -1;
+
+	fb.size = mem->size;
+	fb.context = mem->context;
+
+	block = via_mmAllocMem(FBHeap, fb.size, 5, 0);
+	if (block) {
+		fb.offset = block->ofs;
+		fb.free = (unsigned int)block;
+		if (!add_alloc_set(fb.context, VIDEO, fb.free)) {
+			DRM_DEBUG("adding to allocation set fails\n");
+			via_mmFreeMem((PMemBlock) fb.free);
+			retval = -1;
+		}
+	} else {
+		fb.offset = 0;
+		fb.size = 0;
+		fb.free = 0;
+		retval = -1;
+	}
+
+	mem->offset = fb.offset;
+	mem->index = fb.free;
+
+	DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size,
+		  (int)fb.offset);
+
+	return retval;
 }
-int via_agp_alloc(drm_via_mem_t* mem)
+
+int via_agp_alloc(drm_via_mem_t * mem)
 {
-        drm_via_mm_t agp;
-        PMemBlock block;
-        int retval = 0;
-
-        if (!AgpHeap)
-                return -1;
-
-        agp.size = mem->size;
-        agp.context = mem->context;
-  
-        block = via_mmAllocMem(AgpHeap, agp.size, 5, 0);
-        if (block) {
-                agp.offset = block->ofs;
-                agp.free = (unsigned int)block;
-                if (!add_alloc_set(agp.context, AGP, agp.free)) {
-                        DRM_DEBUG("adding to allocation set fails\n");
-                        via_mmFreeMem((PMemBlock)agp.free);
-                        retval = -1;
-                }
-        }
-        else {  
-                agp.offset = 0;
-                agp.size = 0;
-                agp.free = 0;
-        }	
-   
-        mem->offset = agp.offset;
-        mem->index = agp.free;
-
-        DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, 
-                  (unsigned int)agp.offset);
-        return retval;
+	drm_via_mm_t agp;
+	PMemBlock block;
+	int retval = 0;
+
+	if (!AgpHeap)
+		return -1;
+
+	agp.size = mem->size;
+	agp.context = mem->context;
+
+	block = via_mmAllocMem(AgpHeap, agp.size, 5, 0);
+	if (block) {
+		agp.offset = block->ofs;
+		agp.free = (unsigned int)block;
+		if (!add_alloc_set(agp.context, AGP, agp.free)) {
+			DRM_DEBUG("adding to allocation set fails\n");
+			via_mmFreeMem((PMemBlock) agp.free);
+			retval = -1;
+		}
+	} else {
+		agp.offset = 0;
+		agp.size = 0;
+		agp.free = 0;
+	}
+
+	mem->offset = agp.offset;
+	mem->index = agp.free;
+
+	DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size,
+		  (unsigned int)agp.offset);
+	return retval;
 }
 
-int via_mem_free( DRM_IOCTL_ARGS )
+int via_mem_free(DRM_IOCTL_ARGS)
 {
-        drm_via_mem_t mem;
-    
-        DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t *)data, sizeof(mem));
-
-        switch (mem.type) {
-
-        case VIDEO :
-                if (via_fb_free(&mem) == 0)
-                        return 0;
-                break;
-        case AGP :
-                if (via_agp_free(&mem) == 0)
-                        return 0;
-                break;
-        }
-    
-        return -EFAULT;
+	drm_via_mem_t mem;
+
+	DRM_COPY_FROM_USER_IOCTL(mem, (drm_via_mem_t *) data, sizeof(mem));
+
+	switch (mem.type) {
+
+	case VIDEO:
+		if (via_fb_free(&mem) == 0)
+			return 0;
+		break;
+	case AGP:
+		if (via_agp_free(&mem) == 0)
+			return 0;
+		break;
+	}
+
+	return -EFAULT;
 }
-int via_fb_free(drm_via_mem_t* mem)
+
+int via_fb_free(drm_via_mem_t * mem)
 {
-        drm_via_mm_t fb;
-        int retval = 0;
-
-    
-        if (!FBHeap) {
-                return -1;
-        }
-
-        fb.free = mem->index;
-        fb.context = mem->context;
-    
-        if (!fb.free)
-                {
-                        return -1;
-
-                }
-
-        via_mmFreeMem((PMemBlock)fb.free);
-    
-        if (!del_alloc_set(fb.context, VIDEO, fb.free))
-                {
-                        retval = -1;
-                }
-    
-        DRM_DEBUG("free fb, free = %d\n", fb.free);
-    
-        return retval;
-} 
-int via_agp_free(drm_via_mem_t* mem)
+	drm_via_mm_t fb;
+	int retval = 0;
+
+	if (!FBHeap) {
+		return -1;
+	}
+
+	fb.free = mem->index;
+	fb.context = mem->context;
+
+	if (!fb.free) {
+		return -1;
+
+	}
+
+	via_mmFreeMem((PMemBlock) fb.free);
+
+	if (!del_alloc_set(fb.context, VIDEO, fb.free)) {
+		retval = -1;
+	}
+
+	DRM_DEBUG("free fb, free = %d\n", fb.free);
+
+	return retval;
+}
+
+int via_agp_free(drm_via_mem_t * mem)
 {
-        drm_via_mm_t agp;
-  
-        int retval = 0;
-
-        agp.free = mem->index;
-        agp.context = mem->context;
-    
-        if (!agp.free)
-                return -1;
-
-        via_mmFreeMem((PMemBlock)agp.free);
-    
-        if (!del_alloc_set(agp.context, AGP, agp.free)) {
-                retval = -1;
+	drm_via_mm_t agp;
+
+	int retval = 0;
+
+	agp.free = mem->index;
+	agp.context = mem->context;
+
+	if (!agp.free)
+		return -1;
+
+	via_mmFreeMem((PMemBlock) agp.free);
+
+	if (!del_alloc_set(agp.context, AGP, agp.free)) {
+		retval = -1;
 	}
 
-        DRM_DEBUG("free agp, free = %d\n", agp.free);
-  
-        return retval;
+	DRM_DEBUG("free agp, free = %d\n", agp.free);
+
+	return retval;
 }
 
 EXPORT_SYMBOL(via_fb_alloc);
 EXPORT_SYMBOL(via_fb_free);
 
-void DRM(driver_register_fns)(drm_device_t *dev)
-{
-	dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL;
+void DRM(driver_register_fns) (drm_device_t * dev) {
+	dev->driver_features =
+	    DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
+	    DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL;
 	dev->fn_tbl.context_ctor = via_init_context;
 	dev->fn_tbl.context_dtor = via_final_context;
 	dev->fn_tbl.vblank_wait = via_driver_vblank_wait;
-- 
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