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Diffstat (limited to 'sys/dev/drm/sis_mm.c')
-rw-r--r--sys/dev/drm/sis_mm.c158
1 files changed, 84 insertions, 74 deletions
diff --git a/sys/dev/drm/sis_mm.c b/sys/dev/drm/sis_mm.c
index 6464c4c..8f4bc7c 100644
--- a/sys/dev/drm/sis_mm.c
+++ b/sys/dev/drm/sis_mm.c
@@ -1,6 +1,5 @@
/* sis_mm.c -- Private header for Direct Rendering Manager -*- linux-c -*-
- * Created: Mon Jan 4 10:05:05 1999 by sclin@sis.com.tw *
- */
+ * 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.
@@ -11,11 +10,11 @@
* 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
@@ -23,18 +22,13 @@
* 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>
- *
+ *
* $FreeBSD$
*/
-#include "dev/drm/sis.h"
-#include "dev/drm/drmP.h"
-#include "dev/drm/sis_drm.h"
-#include "dev/drm/sis_drv.h"
-#include "dev/drm/sis_ds.h"
#if defined(__linux__) && defined(CONFIG_FB_SIS)
#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
#include <video/sisfb.h>
@@ -42,27 +36,29 @@
#include <linux/sisfb.h>
#endif
#endif
+#include "dev/drm/drmP.h"
+#include "dev/drm/sis_drm.h"
+#include "dev/drm/sis_drv.h"
+#include "dev/drm/sis_ds.h"
#define MAX_CONTEXT 100
-#define VIDEO_TYPE 0
+#define VIDEO_TYPE 0
#define AGP_TYPE 1
typedef struct {
int used;
int context;
- set_t *sets[2]; /* 0 for video, 1 for AGP */
+ 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)
- {
+ if (global_ppriv[i].used && global_ppriv[i].context == context) {
retval = setAdd(global_ppriv[i].sets[type], val);
break;
}
@@ -71,12 +67,11 @@ static int add_alloc_set(int context, int type, unsigned int val)
}
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)
- {
+ if (global_ppriv[i].used && global_ppriv[i].context == context) {
retval = setDel(global_ppriv[i].sets[type], val);
break;
}
@@ -84,21 +79,22 @@ static int del_alloc_set(int context, int type, unsigned int val)
return retval;
}
-/* fb management via fb device */
+/* fb management via fb device */
#if defined(__linux__) && defined(CONFIG_FB_SIS)
-int sis_fb_init( DRM_IOCTL_ARGS )
+static int sis_fb_init(DRM_IOCTL_ARGS)
{
return 0;
}
-int sis_fb_alloc( DRM_IOCTL_ARGS )
+static 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, (drm_sis_mem_t *)data, sizeof(fb));
+ DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb));
req.size = fb.size;
sis_malloc(&req);
@@ -111,25 +107,25 @@ int sis_fb_alloc( DRM_IOCTL_ARGS )
sis_free(req.offset);
retval = DRM_ERR(EINVAL);
}
- } else {
+ } else {
fb.offset = 0;
fb.size = 0;
fb.free = 0;
}
- DRM_COPY_TO_USER_IOCTL((drm_sis_mem_t *)data, fb, sizeof(fb));
+ 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 )
+static 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 *)data, sizeof(fb));
+ DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *) data, sizeof(fb));
if (!fb.free)
return DRM_ERR(EINVAL);
@@ -155,17 +151,17 @@ int sis_fb_free( DRM_IOCTL_ARGS )
* X driver/sisfb HW- Command-
* framebuffer memory DRI heap Cursor queue
*/
-int sis_fb_init( DRM_IOCTL_ARGS )
+static 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 *)data, sizeof(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->dev_private = drm_calloc(1, sizeof(drm_sis_private_t),
+ DRM_MEM_DRIVER);
dev_priv = dev->dev_private;
if (dev_priv == NULL)
return ENOMEM;
@@ -181,19 +177,20 @@ int sis_fb_init( DRM_IOCTL_ARGS )
return 0;
}
-int sis_fb_alloc( DRM_IOCTL_ARGS )
+static 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, (drm_sis_mem_t *)data, sizeof(fb));
-
+
+ DRM_COPY_FROM_USER_IOCTL(fb, argp, sizeof(fb));
+
block = mmAllocMem(dev_priv->FBHeap, fb.size, 0, 0);
if (block) {
/* TODO */
@@ -201,7 +198,7 @@ int sis_fb_alloc( DRM_IOCTL_ARGS )
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);
+ mmFreeMem((PMemBlock) fb.free);
retval = DRM_ERR(EINVAL);
}
} else {
@@ -210,14 +207,14 @@ int sis_fb_alloc( DRM_IOCTL_ARGS )
fb.free = 0;
}
- DRM_COPY_TO_USER_IOCTL((drm_sis_mem_t *)data, fb, sizeof(fb));
+ 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 )
+static int sis_fb_free(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
@@ -226,14 +223,14 @@ int sis_fb_free( DRM_IOCTL_ARGS )
if (dev_priv == NULL || dev_priv->FBHeap == NULL)
return DRM_ERR(EINVAL);
- DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t *)data, sizeof(fb));
+ DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_mem_t __user *) data, sizeof(fb));
- if (!mmBlockInHeap(dev_priv->FBHeap, (PMemBlock)fb.free))
+ 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);
+ mmFreeMem((PMemBlock) fb.free);
DRM_DEBUG("free fb, free = 0x%lx\n", fb.free);
@@ -242,17 +239,17 @@ int sis_fb_free( DRM_IOCTL_ARGS )
#endif
-/* agp memory management */
+/* agp memory management */
-int sis_ioctl_agp_init( DRM_IOCTL_ARGS )
+static 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->dev_private = drm_calloc(1, sizeof(drm_sis_private_t),
+ DRM_MEM_DRIVER);
dev_priv = dev->dev_private;
if (dev_priv == NULL)
return ENOMEM;
@@ -261,28 +258,30 @@ int sis_ioctl_agp_init( DRM_IOCTL_ARGS )
if (dev_priv->AGPHeap != NULL)
return DRM_ERR(EINVAL);
- DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t *)data, sizeof(agp));
+ 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 )
+static 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 = (drm_sis_mem_t __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, (drm_sis_mem_t *)data, sizeof(agp));
-
+
+ DRM_COPY_FROM_USER_IOCTL(agp, argp, sizeof(agp));
+
block = mmAllocMem(dev_priv->AGPHeap, agp.size, 0, 0);
if (block) {
/* TODO */
@@ -290,23 +289,23 @@ int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS )
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);
+ mmFreeMem((PMemBlock) agp.free);
retval = -1;
}
- } else {
+ } else {
agp.offset = 0;
agp.size = 0;
agp.free = 0;
}
- DRM_COPY_TO_USER_IOCTL((drm_sis_mem_t *)data, agp, sizeof(agp));
+ 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 )
+static int sis_ioctl_agp_free(DRM_IOCTL_ARGS)
{
DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
@@ -315,12 +314,13 @@ int sis_ioctl_agp_free( DRM_IOCTL_ARGS )
if (dev_priv == NULL || dev_priv->AGPHeap == NULL)
return DRM_ERR(EINVAL);
- DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t *)data, sizeof(agp));
+ DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_mem_t __user *) data,
+ sizeof(agp));
- if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock)agp.free))
+ if (!mmBlockInHeap(dev_priv->AGPHeap, (PMemBlock) agp.free))
return DRM_ERR(EINVAL);
- mmFreeMem((PMemBlock)agp.free);
+ mmFreeMem((PMemBlock) agp.free);
if (!del_alloc_set(agp.context, AGP_TYPE, agp.free))
return DRM_ERR(EINVAL);
@@ -329,43 +329,42 @@ int sis_ioctl_agp_free( DRM_IOCTL_ARGS )
return 0;
}
-int sis_init_context(int context)
+int sis_init_context(struct drm_device *dev, int context)
{
int i;
- for (i = 0; i < MAX_CONTEXT ; 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++) {
+ 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);
+ "context = %d\n", i, context);
break;
}
}
if ((i >= MAX_CONTEXT) || (global_ppriv[i].sets[0] == NULL) ||
- (global_ppriv[i].sets[1] == NULL))
- {
+ (global_ppriv[i].sets[1] == NULL)) {
return 0;
}
}
-
+
return 1;
}
-int sis_final_context(int context)
+int sis_final_context(struct drm_device *dev, int context)
{
int i;
- for (i=0; i<MAX_CONTEXT; i++) {
+ for (i = 0; i < MAX_CONTEXT; i++) {
if (global_ppriv[i].used &&
(global_ppriv[i].context == context))
break;
@@ -386,7 +385,7 @@ int sis_final_context(int context)
#if defined(__linux__) && defined(CONFIG_FB_SIS)
sis_free(item);
#else
- mmFreeMem((PMemBlock)item);
+ mmFreeMem((PMemBlock) item);
#endif
retval = setNext(set, &item);
}
@@ -397,13 +396,24 @@ int sis_final_context(int context)
retval = setFirst(set, &item);
while (retval) {
DRM_DEBUG("free agp memory 0x%lx\n", item);
- mmFreeMem((PMemBlock)item);
+ mmFreeMem((PMemBlock) item);
retval = setNext(set, &item);
}
setDestroy(set);
- global_ppriv[i].used = 0;
- }
-
+ global_ppriv[i].used = 0;
+ }
+
return 1;
}
+
+drm_ioctl_desc_t sis_ioctls[] = {
+ [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = {sis_fb_alloc, 1, 0},
+ [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = {sis_fb_free, 1, 0},
+ [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] = {sis_ioctl_agp_init, 1, 1},
+ [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = {sis_ioctl_agp_alloc, 1, 0},
+ [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = {sis_ioctl_agp_free, 1, 0},
+ [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] = {sis_fb_init, 1, 1}
+};
+
+int sis_max_ioctl = DRM_ARRAY_SIZE(sis_ioctls);
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