diff options
Diffstat (limited to 'shared-core/i915_dma.c')
| -rw-r--r-- | shared-core/i915_dma.c | 136 |
1 files changed, 10 insertions, 126 deletions
diff --git a/shared-core/i915_dma.c b/shared-core/i915_dma.c index 8991a3ce..a5e51de4 100644 --- a/shared-core/i915_dma.c +++ b/shared-core/i915_dma.c @@ -31,13 +31,6 @@ #include "i915_drm.h" #include "i915_drv.h" -#define IS_I965G(dev) (dev->pci_device == 0x2972 || \ - dev->pci_device == 0x2982 || \ - dev->pci_device == 0x2992 || \ - dev->pci_device == 0x29A2 || \ - dev->pci_device == 0x2A02) - - /* Really want an OS-independent resettable timer. Would like to have * this loop run for (eg) 3 sec, but have the timer reset every time * the head pointer changes, so that EBUSY only happens if the ring @@ -85,34 +78,18 @@ void i915_kernel_lost_context(drm_device_t * dev) dev_priv->sarea_priv->perf_boxes |= I915_BOX_RING_EMPTY; } -static int i915_dma_cleanup(drm_device_t * dev) +int i915_dma_cleanup(drm_device_t * dev) { + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; /* Make sure interrupts are disabled here because the uninstall ioctl * may not have been called from userspace and after dev_private * is freed, it's too late. */ + I915_WRITE(LP_RING + RING_LEN, 0); + if (dev->irq) drm_irq_uninstall(dev); - if (dev->dev_private) { - drm_i915_private_t *dev_priv = - (drm_i915_private_t *) dev->dev_private; - - if (dev_priv->ring.virtual_start) { - drm_core_ioremapfree(&dev_priv->ring.map, dev); - } - - if (dev_priv->status_page_dmah) { - drm_pci_free(dev, dev_priv->status_page_dmah); - /* Need to rewrite hardware status page */ - I915_WRITE(0x02080, 0x1ffff000); - } - - drm_free(dev->dev_private, sizeof(drm_i915_private_t), - DRM_MEM_DRIVER); - - dev->dev_private = NULL; - } return 0; } @@ -121,8 +98,6 @@ static int i915_initialize(drm_device_t * dev, drm_i915_private_t * dev_priv, drm_i915_init_t * init) { - memset(dev_priv, 0, sizeof(drm_i915_private_t)); - dev_priv->sarea = drm_getsarea(dev); if (!dev_priv->sarea) { DRM_ERROR("can not find sarea!\n"); @@ -131,39 +106,11 @@ static int i915_initialize(drm_device_t * dev, return DRM_ERR(EINVAL); } - dev_priv->mmio_map = drm_core_findmap(dev, init->mmio_offset); - if (!dev_priv->mmio_map) { - dev->dev_private = (void *)dev_priv; - i915_dma_cleanup(dev); - DRM_ERROR("can not find mmio map!\n"); - return DRM_ERR(EINVAL); - } - - dev_priv->sarea_priv = (drm_i915_sarea_t *) - ((u8 *) dev_priv->sarea->handle + init->sarea_priv_offset); - - dev_priv->ring.Start = init->ring_start; - dev_priv->ring.End = init->ring_end; - dev_priv->ring.Size = init->ring_size; - dev_priv->ring.tail_mask = dev_priv->ring.Size - 1; - - dev_priv->ring.map.offset = init->ring_start; - dev_priv->ring.map.size = init->ring_size; - dev_priv->ring.map.type = 0; - dev_priv->ring.map.flags = 0; - dev_priv->ring.map.mtrr = 0; + memset((void *)(dev_priv->ring.virtual_start), 0, dev_priv->ring.Size); - drm_core_ioremap(&dev_priv->ring.map, dev); + I915_WRITE(LP_RING + RING_START, dev_priv->ring.Start); + I915_WRITE(LP_RING + RING_LEN, ((dev_priv->ring.Size - 4096) & RING_NR_PAGES) | (RING_NO_REPORT | RING_VALID)); - if (dev_priv->ring.map.handle == NULL) { - dev->dev_private = (void *)dev_priv; - i915_dma_cleanup(dev); - DRM_ERROR("can not ioremap virtual address for" - " ring buffer\n"); - return DRM_ERR(ENOMEM); - } - - dev_priv->ring.virtual_start = dev_priv->ring.map.handle; dev_priv->cpp = init->cpp; dev_priv->sarea_priv->pf_current_page = 0; @@ -209,30 +156,7 @@ static int i915_dma_resume(drm_device_t * dev) DRM_DEBUG("%s\n", __FUNCTION__); - if (!dev_priv->sarea) { - DRM_ERROR("can not find sarea!\n"); - return DRM_ERR(EINVAL); - } - - if (!dev_priv->mmio_map) { - DRM_ERROR("can not find mmio map!\n"); - return DRM_ERR(EINVAL); - } - - if (dev_priv->ring.map.handle == NULL) { - DRM_ERROR("can not ioremap virtual address for" - " ring buffer\n"); - return DRM_ERR(ENOMEM); - } - - /* Program Hardware Status Page */ - if (!dev_priv->hw_status_page) { - DRM_ERROR("Can not find hardware status page\n"); - return DRM_ERR(EINVAL); - } - DRM_DEBUG("hw status page @ %p\n", dev_priv->hw_status_page); - - I915_WRITE(0x02080, dev_priv->dma_status_page); + I915_WRITE(I915REG_HWS_PGA, dev_priv->dma_status_page); DRM_DEBUG("Enabled hardware status page\n"); return 0; @@ -241,7 +165,7 @@ static int i915_dma_resume(drm_device_t * dev) static int i915_dma_init(DRM_IOCTL_ARGS) { DRM_DEVICE; - drm_i915_private_t *dev_priv; + drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; drm_i915_init_t init; int retcode = 0; @@ -250,10 +174,6 @@ static int i915_dma_init(DRM_IOCTL_ARGS) switch (init.func) { case I915_INIT_DMA: - dev_priv = drm_alloc(sizeof(drm_i915_private_t), - DRM_MEM_DRIVER); - if (dev_priv == NULL) - return DRM_ERR(ENOMEM); retcode = i915_initialize(dev, dev_priv, &init); break; case I915_CLEANUP_DMA: @@ -882,36 +802,6 @@ static int i915_mmio(DRM_IOCTL_ARGS) return 0; } -int i915_driver_load(drm_device_t *dev, unsigned long flags) -{ - /* i915 has 4 more counters */ - dev->counters += 4; - dev->types[6] = _DRM_STAT_IRQ; - dev->types[7] = _DRM_STAT_PRIMARY; - dev->types[8] = _DRM_STAT_SECONDARY; - dev->types[9] = _DRM_STAT_DMA; - - return 0; -} - -void i915_driver_lastclose(drm_device_t * dev) -{ - if (dev->dev_private) { - drm_i915_private_t *dev_priv = dev->dev_private; - i915_do_cleanup_pageflip(dev); - i915_mem_takedown(&(dev_priv->agp_heap)); - } - i915_dma_cleanup(dev); -} - -void i915_driver_preclose(drm_device_t * dev, DRMFILE filp) -{ - if (dev->dev_private) { - drm_i915_private_t *dev_priv = dev->dev_private; - i915_mem_release(dev, filp, dev_priv->agp_heap); - } -} - drm_ioctl_desc_t i915_ioctls[] = { [DRM_IOCTL_NR(DRM_I915_INIT)] = {i915_dma_init, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY}, [DRM_IOCTL_NR(DRM_I915_FLUSH)] = {i915_flush_ioctl, DRM_AUTH}, @@ -950,10 +840,4 @@ int i915_driver_device_is_agp(drm_device_t * dev) return 1; } -int i915_driver_firstopen(struct drm_device *dev) -{ -#ifdef I915_HAVE_BUFFER - drm_bo_driver_init(dev); -#endif - return 0; -} + |