/**************************************************************************
- *
+ *
* Copyright 2006 Tungsten Graphics, Inc., Bismarck, ND., USA.
* 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
* distribute, sub license, 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 NON-INFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDERS, AUTHORS 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
+ * THE COPYRIGHT HOLDERS, AUTHORS 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.
*
- *
+ *
**************************************************************************/
/*
#include "sis_drv.h"
#if defined(__linux__)
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
#include <video/sisfb.h>
-#else
-#include <linux/sisfb.h>
-#endif
#endif
#define VIDEO_TYPE 0
;
}
-unsigned long sis_sman_mm_offset(void *private, void *ref)
+static unsigned long sis_sman_mm_offset(void *private, void *ref)
{
return ~((unsigned long)ref);
}
#endif
-static int sis_fb_init(DRM_IOCTL_ARGS)
+static int sis_fb_init(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
- drm_sis_fb_t fb;
+ drm_sis_fb_t *fb = data;
int ret;
- DRM_COPY_FROM_USER_IOCTL(fb, (drm_sis_fb_t __user *) data, sizeof(fb));
-
- down(&dev->struct_sem);
+ mutex_lock(&dev->struct_mutex);
#if defined(__linux__) && defined(CONFIG_FB_SIS)
{
- drm_sman_mm_t sman_mm;
+ struct drm_sman_mm sman_mm;
sman_mm.private = (void *)0xFFFFFFFF;
sman_mm.allocate = sis_sman_mm_allocate;
sman_mm.free = sis_sman_mm_free;
}
#else
ret = drm_sman_set_range(&dev_priv->sman, VIDEO_TYPE, 0,
- fb.size >> SIS_MM_ALIGN_SHIFT);
+ fb->size >> SIS_MM_ALIGN_SHIFT);
#endif
if (ret) {
DRM_ERROR("VRAM memory manager initialisation error\n");
- up(&dev->struct_sem);
+ mutex_unlock(&dev->struct_mutex);
return ret;
}
- dev_priv->vram_initialized = TRUE;
- dev_priv->vram_offset = fb.offset;
+ dev_priv->vram_initialized = 1;
+ dev_priv->vram_offset = fb->offset;
- up(&dev->struct_sem);
- DRM_DEBUG("offset = %u, size = %u", fb.offset, fb.size);
+ mutex_unlock(&dev->struct_mutex);
+ DRM_DEBUG("offset = %u, size = %u\n", fb->offset, fb->size);
return 0;
}
-static int sis_drm_alloc(drm_device_t * dev, drm_file_t * priv,
- unsigned long data, int pool)
+static int sis_drm_alloc(struct drm_device *dev, struct drm_file *file_priv,
+ void *data, int pool)
{
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 mem;
+ drm_sis_mem_t *mem = data;
int retval = 0;
- drm_memblock_item_t *item;
+ struct drm_memblock_item *item;
- DRM_COPY_FROM_USER_IOCTL(mem, argp, sizeof(mem));
+ mutex_lock(&dev->struct_mutex);
- down(&dev->struct_sem);
-
- if (FALSE == ((pool == 0) ? dev_priv->vram_initialized :
+ if (0 == ((pool == 0) ? dev_priv->vram_initialized :
dev_priv->agp_initialized)) {
DRM_ERROR
("Attempt to allocate from uninitialized memory manager.\n");
- return DRM_ERR(EINVAL);
+ mutex_unlock(&dev->struct_mutex);
+ return -EINVAL;
}
- mem.size = (mem.size + SIS_MM_ALIGN_MASK) >> SIS_MM_ALIGN_SHIFT;
- item = drm_sman_alloc(&dev_priv->sman, pool, mem.size, 0,
- (unsigned long)priv);
+ mem->size = (mem->size + SIS_MM_ALIGN_MASK) >> SIS_MM_ALIGN_SHIFT;
+ item = drm_sman_alloc(&dev_priv->sman, pool, mem->size, 0,
+ (unsigned long)file_priv);
- up(&dev->struct_sem);
+ mutex_unlock(&dev->struct_mutex);
if (item) {
- mem.offset = ((pool == 0) ?
+ mem->offset = ((pool == 0) ?
dev_priv->vram_offset : dev_priv->agp_offset) +
(item->mm->
offset(item->mm, item->mm_info) << SIS_MM_ALIGN_SHIFT);
- mem.free = item->user_hash.key;
- mem.size = mem.size << SIS_MM_ALIGN_SHIFT;
+ mem->free = item->user_hash.key;
+ mem->size = mem->size << SIS_MM_ALIGN_SHIFT;
} else {
- mem.offset = 0;
- mem.size = 0;
- mem.free = 0;
- retval = DRM_ERR(ENOMEM);
+ mem->offset = 0;
+ mem->size = 0;
+ mem->free = 0;
+ retval = -ENOMEM;
}
- DRM_COPY_TO_USER_IOCTL(argp, mem, sizeof(mem));
-
- DRM_DEBUG("alloc %d, size = %d, offset = %d\n", pool, mem.size,
- mem.offset);
+ DRM_DEBUG("alloc %d, size = %d, offset = %d\n", pool, mem->size,
+ mem->offset);
return retval;
}
-static int sis_drm_free(DRM_IOCTL_ARGS)
+static int sis_drm_free(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
- drm_sis_mem_t mem;
+ drm_sis_mem_t *mem = data;
int ret;
- DRM_COPY_FROM_USER_IOCTL(mem, (drm_sis_mem_t __user *) data,
- sizeof(mem));
-
- down(&dev->struct_sem);
- ret = drm_sman_free_key(&dev_priv->sman, mem.free);
- up(&dev->struct_sem);
- DRM_DEBUG("free = 0x%lx\n", mem.free);
+ mutex_lock(&dev->struct_mutex);
+ ret = drm_sman_free_key(&dev_priv->sman, mem->free);
+ mutex_unlock(&dev->struct_mutex);
+ DRM_DEBUG("free = 0x%lx\n", mem->free);
return ret;
}
-static int sis_fb_alloc(DRM_IOCTL_ARGS)
+static int sis_fb_alloc(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
- return sis_drm_alloc(dev, priv, data, VIDEO_TYPE);
+ return sis_drm_alloc(dev, file_priv, data, VIDEO_TYPE);
}
-static int sis_ioctl_agp_init(DRM_IOCTL_ARGS)
+static int sis_ioctl_agp_init(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
{
- DRM_DEVICE;
drm_sis_private_t *dev_priv = dev->dev_private;
- drm_sis_agp_t agp;
+ drm_sis_agp_t *agp = data;
int ret;
dev_priv = dev->dev_private;
- DRM_COPY_FROM_USER_IOCTL(agp, (drm_sis_agp_t __user *) data,
- sizeof(agp));
- down(&dev->struct_sem);
+ mutex_lock(&dev->struct_mutex);
ret = drm_sman_set_range(&dev_priv->sman, AGP_TYPE, 0,
- agp.size >> SIS_MM_ALIGN_SHIFT);
+ agp->size >> SIS_MM_ALIGN_SHIFT);
if (ret) {
DRM_ERROR("AGP memory manager initialisation error\n");
- up(&dev->struct_sem);
+ mutex_unlock(&dev->struct_mutex);
return ret;
}
- dev_priv->agp_initialized = TRUE;
- dev_priv->agp_offset = agp.offset;
- up(&dev->struct_sem);
+ dev_priv->agp_initialized = 1;
+ dev_priv->agp_offset = agp->offset;
+ mutex_unlock(&dev->struct_mutex);
- DRM_DEBUG("offset = %u, size = %u", agp.offset, agp.size);
+ DRM_DEBUG("offset = %u, size = %u\n", agp->offset, agp->size);
return 0;
}
-static int sis_ioctl_agp_alloc(DRM_IOCTL_ARGS)
+static int sis_ioctl_agp_alloc(struct drm_device *dev, void *data,
+ struct drm_file *file_priv)
+{
+
+ return sis_drm_alloc(dev, file_priv, data, AGP_TYPE);
+}
+
+static drm_local_map_t *sis_reg_init(struct drm_device *dev)
+{
+ struct drm_map_list *entry;
+ drm_local_map_t *map;
+
+ list_for_each_entry(entry, &dev->maplist, head) {
+ map = entry->map;
+ if (!map)
+ continue;
+ if (map->type == _DRM_REGISTERS) {
+ return map;
+ }
+ }
+ return NULL;
+}
+
+int sis_idle(struct drm_device *dev)
{
- DRM_DEVICE;
+ drm_sis_private_t *dev_priv = dev->dev_private;
+ uint32_t idle_reg;
+ unsigned long end;
+ int i;
+
+ if (dev_priv->idle_fault)
+ return 0;
+
+ if (dev_priv->mmio == NULL) {
+ dev_priv->mmio = sis_reg_init(dev);
+ if (dev_priv->mmio == NULL) {
+ DRM_ERROR("Could not find register map.\n");
+ return 0;
+ }
+ }
+
+ /*
+ * Implement a device switch here if needed
+ */
+
+ if (dev_priv->chipset != SIS_CHIP_315)
+ return 0;
+
+ /*
+ * Timeout after 3 seconds. We cannot use DRM_WAIT_ON here
+ * because its polling frequency is too low.
+ */
- return sis_drm_alloc(dev, priv, data, AGP_TYPE);
+ end = jiffies + (DRM_HZ * 3);
+
+ for (i=0; i<4; ++i) {
+ do {
+ idle_reg = SIS_READ(0x85cc);
+ } while ( !time_after_eq(jiffies, end) &&
+ ((idle_reg & 0x80000000) != 0x80000000));
+ }
+
+ if (time_after_eq(jiffies, end)) {
+ DRM_ERROR("Graphics engine idle timeout. "
+ "Disabling idle check\n");
+ dev_priv->idle_fault = 1;
+ }
+
+ /*
+ * The caller never sees an error code. It gets trapped
+ * in libdrm.
+ */
+
+ return 0;
}
+
void sis_lastclose(struct drm_device *dev)
{
drm_sis_private_t *dev_priv = dev->dev_private;
if (!dev_priv)
return;
- down(&dev->struct_sem);
+ mutex_lock(&dev->struct_mutex);
drm_sman_cleanup(&dev_priv->sman);
- dev_priv->vram_initialized = FALSE;
- dev_priv->agp_initialized = FALSE;
- up(&dev->struct_sem);
+ dev_priv->vram_initialized = 0;
+ dev_priv->agp_initialized = 0;
+ dev_priv->mmio = NULL;
+ mutex_unlock(&dev->struct_mutex);
}
-void sis_reclaim_buffers_locked(drm_device_t * dev, struct file *filp)
+void sis_reclaim_buffers_locked(struct drm_device * dev,
+ struct drm_file *file_priv)
{
drm_sis_private_t *dev_priv = dev->dev_private;
- drm_file_t *priv = filp->private_data;
- down(&dev->struct_sem);
- if (drm_sman_owner_clean(&dev_priv->sman, (unsigned long)priv)) {
- up(&dev->struct_sem);
+ mutex_lock(&dev->struct_mutex);
+ if (drm_sman_owner_clean(&dev_priv->sman, (unsigned long)file_priv)) {
+ mutex_unlock(&dev->struct_mutex);
return;
}
dev->driver->dma_quiescent(dev);
}
- drm_sman_owner_cleanup(&dev_priv->sman, (unsigned long)priv);
- up(&dev->struct_sem);
+ drm_sman_owner_cleanup(&dev_priv->sman, (unsigned long)file_priv);
+ mutex_unlock(&dev->struct_mutex);
return;
}
-drm_ioctl_desc_t sis_ioctls[] = {
- [DRM_IOCTL_NR(DRM_SIS_FB_ALLOC)] = {sis_fb_alloc, DRM_AUTH}
- ,
- [DRM_IOCTL_NR(DRM_SIS_FB_FREE)] = {sis_drm_free, DRM_AUTH}
- ,
- [DRM_IOCTL_NR(DRM_SIS_AGP_INIT)] =
- {sis_ioctl_agp_init, DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY}
- ,
- [DRM_IOCTL_NR(DRM_SIS_AGP_ALLOC)] = {sis_ioctl_agp_alloc, DRM_AUTH}
- ,
- [DRM_IOCTL_NR(DRM_SIS_AGP_FREE)] = {sis_drm_free, DRM_AUTH}
- ,
- [DRM_IOCTL_NR(DRM_SIS_FB_INIT)] =
- {sis_fb_init, DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY}
+struct drm_ioctl_desc sis_ioctls[] = {
+ DRM_IOCTL_DEF(DRM_SIS_FB_ALLOC, sis_fb_alloc, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_SIS_FB_FREE, sis_drm_free, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_SIS_AGP_INIT, sis_ioctl_agp_init, DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY),
+ DRM_IOCTL_DEF(DRM_SIS_AGP_ALLOC, sis_ioctl_agp_alloc, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_SIS_AGP_FREE, sis_drm_free, DRM_AUTH),
+ DRM_IOCTL_DEF(DRM_SIS_FB_INIT, sis_fb_init, DRM_AUTH | DRM_MASTER | DRM_ROOT_ONLY),
};
int sis_max_ioctl = DRM_ARRAY_SIZE(sis_ioctls);