From 6677e2a10b820a5ccfd375cc627b8e41453a71da Mon Sep 17 00:00:00 2001
From: Adam Jackson <ajax@theobromine.nwnk.net>
Date: Wed, 19 Jul 2006 16:19:25 -0400
Subject: Delete the pre-core DRM code with extreme prejudice.

---
 shared/sis_mm.c | 417 --------------------------------------------------------
 1 file changed, 417 deletions(-)
 delete mode 100644 shared/sis_mm.c

(limited to 'shared/sis_mm.c')

diff --git a/shared/sis_mm.c b/shared/sis_mm.c
deleted file mode 100644
index 27b904fc..00000000
--- a/shared/sis_mm.c
+++ /dev/null
@@ -1,417 +0,0 @@
-/* sis_mm.c -- Private header for Direct Rendering Manager -*- linux-c -*-
- * Created: Mon Jan  4 10:05:05 1999 by sclin@sis.com.tw
- *
- * Copyright 2000 Silicon Integrated Systems Corp, Inc., HsinChu, Taiwan.
- * All rights reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- * 
- * Authors:
- *    Sung-Ching Lin <sclin@sis.com.tw>
- * 
- */
-
-#include "sis.h"
-#include "drmP.h"
-#include "sis_drm.h"
-#include "sis_drv.h"
-#include "sis_ds.h"
-#if defined(__linux__) && defined(CONFIG_FB_SIS)
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#include <video/sisfb.h>
-#else
-#include <linux/sisfb.h>
-#endif
-#endif
-
-#define MAX_CONTEXT 100
-#define VIDEO_TYPE 0 
-#define AGP_TYPE 1
-
-typedef struct {
-	int used;
-	int context;
-	set_t *sets[2]; /* 0 for video, 1 for AGP */
-} sis_context_t;
-
-static sis_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 = 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 = setDel(global_ppriv[i].sets[type], val);
-			break;
-		}
-	}
-	return retval;
-}
-
-/* fb management via fb device */ 
-#if defined(__linux__) && defined(CONFIG_FB_SIS)
-
-int sis_fb_init( DRM_IOCTL_ARGS )
-{
-	return 0;
-}
-
-int sis_fb_alloc( DRM_IOCTL_ARGS )
-{
-	drm_sis_mem_t fb;
-	struct sis_memreq req;
-	drm_sis_mem_t __user *argp = (void __user *)data;
-	int retval = 0;
-
-	DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb));
-
-	req.size = fb.size;
-	sis_malloc(&req);
-	if (req.offset) {
-		/* TODO */
-		fb.offset = req.offset;
-		fb.free = req.offset;
-		if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) {
-			DRM_DEBUG("adding to allocation set fails\n");
-			sis_free(req.offset);
-			retval = DRM_ERR(EINVAL);
-		}
-	} else {  
-		fb.offset = 0;
-		fb.size = 0;
-		fb.free = 0;
-	}
-
-	DRM_COPY_TO_USER_IOCTL(argp, fb, sizeof(fb));
-
-	DRM_DEBUG("alloc fb, size = %d, offset = %ld\n", fb.size, req.offset);
-
-	return retval;
-}
-
-int sis_fb_free( DRM_IOCTL_ARGS )
-{
-	drm_sis_mem_t fb;
-	int retval = 0;
-
-	DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *)data, sizeof(fb));
-
-	if (!fb.free)
-		return DRM_ERR(EINVAL);
-
-	if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free))
-		retval = DRM_ERR(EINVAL);
-	sis_free(fb.free);
-
-	DRM_DEBUG("free fb, offset = 0x%lx\n", fb.free);
-
-	return retval;
-}
-
-#else
-
-/* Called by the X Server to initialize the FB heap.  Allocations will fail
- * unless this is called.  Offset is the beginning of the heap from the
- * framebuffer offset (MaxXFBMem in XFree86).
- *
- * Memory layout according to Thomas Winischofer:
- * |------------------|DDDDDDDDDDDDDDDDDDDDDDDDDDDDD|HHHH|CCCCCCCCCCC|
- *
- *    X driver/sisfb                                  HW-   Command-
- *  framebuffer memory           DRI heap           Cursor   queue
- */
-int sis_fb_init( DRM_IOCTL_ARGS )
-{
-	DRM_DEVICE;
-	drm_sis_private_t *dev_priv = dev->dev_private;
-	drm_sis_fb_t fb;
-
-	DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t __user *)data, sizeof(fb));
-
-	if (dev_priv == NULL) {
-		dev->dev_private = DRM(calloc)(1, sizeof(drm_sis_private_t),
-		    DRM_MEM_DRIVER);
-		dev_priv = dev->dev_private;
-		if (dev_priv == NULL)
-			return ENOMEM;
-	}
-
-	if (dev_priv->FBHeap != NULL)
-		return DRM_ERR(EINVAL);
-
-	dev_priv->FBHeap = mmInit(fb.offset, fb.size);
-
-	DRM_DEBUG("offset = %u, size = %u", fb.offset, fb.size);
-
-	return 0;
-}
-
-int sis_fb_alloc( DRM_IOCTL_ARGS )
-{
-	DRM_DEVICE;
-	drm_sis_private_t *dev_priv = dev->dev_private;
-	drm_sis_mem_t __user *argp = (void __user *)data;
-	drm_sis_mem_t fb;
-	PMemBlock block;
-	int retval = 0;
-
-	if (dev_priv == NULL || dev_priv->FBHeap == NULL)
-		return DRM_ERR(EINVAL);
-  
-	DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb));
-  
-	block = mmAllocMem(dev_priv->FBHeap, fb.size, 0, 0);
-	if (block) {
-		/* TODO */
-		fb.offset = block->ofs;
-		fb.free = (unsigned long)block;
-		if (!add_alloc_set(fb.context, VIDEO_TYPE, fb.free)) {
-			DRM_DEBUG("adding to allocation set fails\n");
-			mmFreeMem((PMemBlock)fb.free);
-			retval = DRM_ERR(EINVAL);
-		}
-	} else {
-		fb.offset = 0;
-		fb.size = 0;
-		fb.free = 0;
-	}
-
-	DRM_COPY_TO_USER_IOCTL(argp, fb, sizeof(fb));
-
-	DRM_DEBUG("alloc fb, size = %d, offset = %d\n", fb.size, fb.offset);
-
-	return retval;
-}
-
-int sis_fb_free( DRM_IOCTL_ARGS )
-{
-	DRM_DEVICE;
-	drm_sis_private_t *dev_priv = dev->dev_private;
-	drm_sis_mem_t fb;
-
-	if (dev_priv == NULL || dev_priv->FBHeap == NULL)
-		return DRM_ERR(EINVAL);
-
-	DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *)data, sizeof(fb));
-
-	if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock)fb.free))
-		return DRM_ERR(EINVAL);
-
-	if (!del_alloc_set(fb.context, VIDEO_TYPE, fb.free))
-		return DRM_ERR(EINVAL);
-	mmFreeMem((PMemBlock)fb.free);
-
-	DRM_DEBUG("free fb, free = 0x%lx\n", fb.free);
-
-	return 0;
-}
-
-#endif
-
-/* agp memory management */ 
-
-int sis_ioctl_agp_init( DRM_IOCTL_ARGS )
-{
-	DRM_DEVICE;
-	drm_sis_private_t *dev_priv = dev->dev_private;
-	drm_sis_agp_t agp;
-
-	if (dev_priv == NULL) {
-		dev->dev_private = DRM(calloc)(1, sizeof(drm_sis_private_t),
-		    DRM_MEM_DRIVER);
-		dev_priv = dev->dev_private;
-		if (dev_priv == NULL)
-			return ENOMEM;
-	}
-
-	if (dev_priv->AGPHeap != NULL)
-		return DRM_ERR(EINVAL);
-
-	DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t __user *)data, sizeof(agp));
-
-	dev_priv->AGPHeap = mmInit(agp.offset, agp.size);
-
-	DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size);
-  
-	return 0;
-}
-
-int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS )
-{
-	DRM_DEVICE;
-	drm_sis_private_t *dev_priv = dev->dev_private;
-	drm_sis_mem_t __user *argp = (void __user *)data;
-	drm_sis_mem_t agp;
-	PMemBlock block;
-	int retval = 0;
-   
-	if (dev_priv == NULL || dev_priv->AGPHeap == NULL)
-		return DRM_ERR(EINVAL);
-  
-	DRM_COPY_FROM_USER_IOCTL(agp, argp, sizeof(agp));
-  
-	block = mmAllocMem(dev_priv->AGPHeap, agp.size, 0, 0);
-	if (block) {
-		/* TODO */
-		agp.offset = block->ofs;
-		agp.free = (unsigned long)block;
-		if (!add_alloc_set(agp.context, AGP_TYPE, agp.free)) {
-			DRM_DEBUG("adding to allocation set fails\n");
-			mmFreeMem((PMemBlock)agp.free);
-			retval = -1;
-		}
-	} else {  
-		agp.offset = 0;
-		agp.size = 0;
-		agp.free = 0;
-	}
-
-	DRM_COPY_TO_USER_IOCTL(argp, agp, sizeof(agp));
-
-	DRM_DEBUG("alloc agp, size = %d, offset = %d\n", agp.size, agp.offset);
-
-	return retval;
-}
-
-int sis_ioctl_agp_free( DRM_IOCTL_ARGS )
-{
-	DRM_DEVICE;
-	drm_sis_private_t *dev_priv = dev->dev_private;
-	drm_sis_mem_t agp;
-
-	if (dev_priv == NULL || dev_priv->AGPHeap == NULL)
-		return DRM_ERR(EINVAL);
-
-	DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t __user *)data, sizeof(agp));
-
-	if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock)agp.free))
-		return DRM_ERR(EINVAL);
-
-	mmFreeMem((PMemBlock)agp.free);
-	if (!del_alloc_set(agp.context, AGP_TYPE, agp.free))
-		return DRM_ERR(EINVAL);
-
-	DRM_DEBUG("free agp, free = 0x%lx\n", agp.free);
-
-	return 0;
-}
-
-int sis_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] = setInit();
-				global_ppriv[i].sets[1] = 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 sis_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;
-		ITEM_TYPE item;
-		int retval;
-
-		DRM_DEBUG("find socket %d, context = %d\n", i, context);
-
-		/* Video Memory */
-		set = global_ppriv[i].sets[0];
-		retval = setFirst(set, &item);
-		while (retval) {
-			DRM_DEBUG("free video memory 0x%lx\n", item);
-#if defined(__linux__) && defined(CONFIG_FB_SIS)
-			sis_free(item);
-#else
-			mmFreeMem((PMemBlock)item);
-#endif
-			retval = setNext(set, &item);
-		}
-		setDestroy(set);
-
-		/* AGP Memory */
-		set = global_ppriv[i].sets[1];
-		retval = setFirst(set, &item);
-		while (retval) {
-			DRM_DEBUG("free agp memory 0x%lx\n", item);
-			mmFreeMem((PMemBlock)item);
-			retval = setNext(set, &item);
-		}
-		setDestroy(set);
-
-		global_ppriv[i].used = 0;	  
-        }
-	
-	return 1;
-}
-
-void DRM(driver_register_fns)(drm_device_t *dev)
-{
-	dev->driver_features = DRIVER_USE_AGP | DRIVER_USE_MTRR;
-	dev->fn_tbl.context_ctor = sis_init_context;
-	dev->fn_tbl.context_dtor = sis_final_context;
-}
-- 
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