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path: root/drivers/char/drm/sis_mm.c
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Diffstat (limited to 'drivers/char/drm/sis_mm.c')
-rw-r--r--drivers/char/drm/sis_mm.c132
1 files changed, 67 insertions, 65 deletions
diff --git a/drivers/char/drm/sis_mm.c b/drivers/char/drm/sis_mm.c
index 6610c5576d22..50e32384ad93 100644
--- a/drivers/char/drm/sis_mm.c
+++ b/drivers/char/drm/sis_mm.c
@@ -10,11 +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
@@ -22,10 +22,10 @@
* 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 "drmP.h"
@@ -37,25 +37,23 @@
#endif
#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;
}
@@ -64,12 +62,11 @@ 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;
}
@@ -77,15 +74,15 @@ 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)
-static int sis_fb_init( DRM_IOCTL_ARGS )
+static int sis_fb_init(DRM_IOCTL_ARGS)
{
return 0;
}
-static int sis_fb_alloc( DRM_IOCTL_ARGS )
+static int sis_fb_alloc(DRM_IOCTL_ARGS)
{
drm_sis_mem_t fb;
struct sis_memreq req;
@@ -105,7 +102,7 @@ static 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;
@@ -118,19 +115,19 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS )
return retval;
}
-static 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 __user *)data, sizeof(fb));
+ 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((u32)fb.free);
+ sis_free((u32) fb.free);
DRM_DEBUG("free fb, offset = %lu\n", fb.free);
@@ -149,17 +146,17 @@ static int sis_fb_free( DRM_IOCTL_ARGS )
* X driver/sisfb HW- Command-
* framebuffer memory DRI heap Cursor queue
*/
-static 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 __user *)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);
+ DRM_MEM_DRIVER);
dev_priv = dev->dev_private;
if (dev_priv == NULL)
return ENOMEM;
@@ -175,7 +172,7 @@ static int sis_fb_init( DRM_IOCTL_ARGS )
return 0;
}
-static 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;
@@ -186,9 +183,9 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS )
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 */
@@ -196,7 +193,7 @@ static 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 {
@@ -212,7 +209,7 @@ static int sis_fb_alloc( DRM_IOCTL_ARGS )
return retval;
}
-static 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;
@@ -221,14 +218,14 @@ static 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 __user *)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);
@@ -237,9 +234,9 @@ static int sis_fb_free( DRM_IOCTL_ARGS )
#endif
-/* agp memory management */
+/* agp memory management */
-static 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;
@@ -247,7 +244,7 @@ static int sis_ioctl_agp_init( DRM_IOCTL_ARGS )
if (dev_priv == NULL) {
dev->dev_private = drm_calloc(1, sizeof(drm_sis_private_t),
- DRM_MEM_DRIVER);
+ DRM_MEM_DRIVER);
dev_priv = dev->dev_private;
if (dev_priv == NULL)
return ENOMEM;
@@ -256,16 +253,17 @@ static 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 __user *)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;
}
-static 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;
@@ -273,12 +271,12 @@ static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS )
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 */
@@ -286,10 +284,10 @@ static 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;
@@ -302,7 +300,7 @@ static int sis_ioctl_agp_alloc( DRM_IOCTL_ARGS )
return retval;
}
-static 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;
@@ -311,12 +309,13 @@ static 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 __user *)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);
@@ -329,31 +328,30 @@ 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;
}
@@ -361,7 +359,7 @@ 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;
@@ -382,7 +380,7 @@ int sis_final_context(struct drm_device *dev, int context)
#if defined(__linux__) && defined(CONFIG_FB_SIS)
sis_free(item);
#else
- mmFreeMem((PMemBlock)item);
+ mmFreeMem((PMemBlock) item);
#endif
retval = setNext(set, &item);
}
@@ -393,25 +391,29 @@ int sis_final_context(struct drm_device *dev, int context)
retval = setFirst(set, &item);
while (retval) {
DRM_DEBUG("free agp memory 0x%x\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 }
+ [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);
-
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-14 18:37:29 +0000