drm/sis: add pciid for SiS 662/671 chipset
[safe/jmp/linux-2.6] / drivers / char / drm / i915_dma.c
index e61a43e..e9d6663 100644 (file)
 #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 || \
-                      dev->pci_device == 0x2A12)
-
-#define IS_G33(dev) (dev->pci_device == 0x29b2 || \
-                    dev->pci_device == 0x29c2 || \
-                    dev->pci_device == 0x29d2)
-
 /* 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
@@ -90,6 +79,7 @@ void i915_kernel_lost_context(struct drm_device * dev)
 
 static int i915_dma_cleanup(struct drm_device * dev)
 {
+       drm_i915_private_t *dev_priv = 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.
@@ -97,52 +87,42 @@ static int i915_dma_cleanup(struct drm_device * dev)
        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);
-               }
-
-               if (dev_priv->status_gfx_addr) {
-                       dev_priv->status_gfx_addr = 0;
-                       drm_core_ioremapfree(&dev_priv->hws_map, dev);
-                       I915_WRITE(0x2080, 0x1ffff000);
-               }
+       if (dev_priv->ring.virtual_start) {
+               drm_core_ioremapfree(&dev_priv->ring.map, dev);
+               dev_priv->ring.virtual_start = 0;
+               dev_priv->ring.map.handle = 0;
+               dev_priv->ring.map.size = 0;
+       }
 
-               drm_free(dev->dev_private, sizeof(drm_i915_private_t),
-                        DRM_MEM_DRIVER);
+       if (dev_priv->status_page_dmah) {
+               drm_pci_free(dev, dev_priv->status_page_dmah);
+               dev_priv->status_page_dmah = NULL;
+               /* Need to rewrite hardware status page */
+               I915_WRITE(0x02080, 0x1ffff000);
+       }
 
-               dev->dev_private = NULL;
+       if (dev_priv->status_gfx_addr) {
+               dev_priv->status_gfx_addr = 0;
+               drm_core_ioremapfree(&dev_priv->hws_map, dev);
+               I915_WRITE(0x2080, 0x1ffff000);
        }
 
        return 0;
 }
 
-static int i915_initialize(struct drm_device * dev,
-                          drm_i915_private_t * dev_priv,
-                          drm_i915_init_t * init)
+static int i915_initialize(struct drm_device * dev, drm_i915_init_t * init)
 {
-       memset(dev_priv, 0, sizeof(drm_i915_private_t));
+       drm_i915_private_t *dev_priv = dev->dev_private;
 
        dev_priv->sarea = drm_getsarea(dev);
        if (!dev_priv->sarea) {
                DRM_ERROR("can not find sarea!\n");
-               dev->dev_private = (void *)dev_priv;
                i915_dma_cleanup(dev);
                return -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 -EINVAL;
@@ -165,7 +145,6 @@ static int i915_initialize(struct drm_device * dev,
        drm_core_ioremap(&dev_priv->ring.map, dev);
 
        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");
@@ -192,12 +171,11 @@ static int i915_initialize(struct drm_device * dev,
        dev_priv->allow_batchbuffer = 1;
 
        /* Program Hardware Status Page */
-       if (!IS_G33(dev)) {
+       if (!I915_NEED_GFX_HWS(dev)) {
                dev_priv->status_page_dmah =
                        drm_pci_alloc(dev, PAGE_SIZE, PAGE_SIZE, 0xffffffff);
 
                if (!dev_priv->status_page_dmah) {
-                       dev->dev_private = (void *)dev_priv;
                        i915_dma_cleanup(dev);
                        DRM_ERROR("Can not allocate hardware status page\n");
                        return -ENOMEM;
@@ -209,7 +187,6 @@ static int i915_initialize(struct drm_device * dev,
                I915_WRITE(0x02080, dev_priv->dma_status_page);
        }
        DRM_DEBUG("Enabled hardware status page\n");
-       dev->dev_private = (void *)dev_priv;
        return 0;
 }
 
@@ -254,17 +231,12 @@ static int i915_dma_resume(struct drm_device * dev)
 static int i915_dma_init(struct drm_device *dev, void *data,
                         struct drm_file *file_priv)
 {
-       drm_i915_private_t *dev_priv;
        drm_i915_init_t *init = data;
        int retcode = 0;
 
        switch (init->func) {
        case I915_INIT_DMA:
-               dev_priv = drm_alloc(sizeof(drm_i915_private_t),
-                                    DRM_MEM_DRIVER);
-               if (dev_priv == NULL)
-                       return -ENOMEM;
-               retcode = i915_initialize(dev, dev_priv, init);
+               retcode = i915_initialize(dev, init);
                break;
        case I915_CLEANUP_DMA:
                retcode = i915_dma_cleanup(dev);
@@ -351,7 +323,7 @@ static int validate_cmd(int cmd)
 {
        int ret = do_validate_cmd(cmd);
 
-/*     printk("validate_cmd( %x ): %d\n", cmd, ret); */
+/*     printk("validate_cmd( %x ): %d\n", cmd, ret); */
 
        return ret;
 }
@@ -685,7 +657,7 @@ static int i915_getparam(struct drm_device *dev, void *data,
        int value;
 
        if (!dev_priv) {
-               DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+               DRM_ERROR("called with no initialization\n");
                return -EINVAL;
        }
 
@@ -719,7 +691,7 @@ static int i915_setparam(struct drm_device *dev, void *data,
        drm_i915_setparam_t *param = data;
 
        if (!dev_priv) {
-               DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+               DRM_ERROR("called with no initialization\n");
                return -EINVAL;
        }
 
@@ -748,8 +720,11 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
        drm_i915_private_t *dev_priv = dev->dev_private;
        drm_i915_hws_addr_t *hws = data;
 
+       if (!I915_NEED_GFX_HWS(dev))
+               return -EINVAL;
+
        if (!dev_priv) {
-               DRM_ERROR("%s called with no initialization\n", __FUNCTION__);
+               DRM_ERROR("called with no initialization\n");
                return -EINVAL;
        }
 
@@ -757,7 +732,7 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
 
        dev_priv->status_gfx_addr = hws->addr & (0x1ffff<<12);
 
-       dev_priv->hws_map.offset = dev->agp->agp_info.aper_base + hws->addr;
+       dev_priv->hws_map.offset = dev->agp->base + hws->addr;
        dev_priv->hws_map.size = 4*1024;
        dev_priv->hws_map.type = 0;
        dev_priv->hws_map.flags = 0;
@@ -765,7 +740,6 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
 
        drm_core_ioremap(&dev_priv->hws_map, dev);
        if (dev_priv->hws_map.handle == NULL) {
-               dev->dev_private = (void *)dev_priv;
                i915_dma_cleanup(dev);
                dev_priv->status_gfx_addr = 0;
                DRM_ERROR("can not ioremap virtual address for"
@@ -784,6 +758,10 @@ static int i915_set_status_page(struct drm_device *dev, void *data,
 
 int i915_driver_load(struct drm_device *dev, unsigned long flags)
 {
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       unsigned long base, size;
+       int ret = 0, mmio_bar = IS_I9XX(dev) ? 0 : 1;
+
        /* i915 has 4 more counters */
        dev->counters += 4;
        dev->types[6] = _DRM_STAT_IRQ;
@@ -791,24 +769,51 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
        dev->types[8] = _DRM_STAT_SECONDARY;
        dev->types[9] = _DRM_STAT_DMA;
 
+       dev_priv = drm_alloc(sizeof(drm_i915_private_t), DRM_MEM_DRIVER);
+       if (dev_priv == NULL)
+               return -ENOMEM;
+
+       memset(dev_priv, 0, sizeof(drm_i915_private_t));
+
+       dev->dev_private = (void *)dev_priv;
+
+       /* Add register map (needed for suspend/resume) */
+       base = drm_get_resource_start(dev, mmio_bar);
+       size = drm_get_resource_len(dev, mmio_bar);
+
+       ret = drm_addmap(dev, base, size, _DRM_REGISTERS,
+                        _DRM_KERNEL | _DRM_DRIVER,
+                        &dev_priv->mmio_map);
+       return ret;
+}
+
+int i915_driver_unload(struct drm_device *dev)
+{
+       struct drm_i915_private *dev_priv = dev->dev_private;
+
+       if (dev_priv->mmio_map)
+               drm_rmmap(dev, dev_priv->mmio_map);
+
+       drm_free(dev->dev_private, sizeof(drm_i915_private_t),
+                DRM_MEM_DRIVER);
+
        return 0;
 }
 
 void i915_driver_lastclose(struct drm_device * dev)
 {
-       if (dev->dev_private) {
-               drm_i915_private_t *dev_priv = dev->dev_private;
+       drm_i915_private_t *dev_priv = dev->dev_private;
+
+       if (dev_priv->agp_heap)
                i915_mem_takedown(&(dev_priv->agp_heap));
-       }
+
        i915_dma_cleanup(dev);
 }
 
 void i915_driver_preclose(struct drm_device * dev, struct drm_file *file_priv)
 {
-       if (dev->dev_private) {
-               drm_i915_private_t *dev_priv = dev->dev_private;
-               i915_mem_release(dev, file_priv, dev_priv->agp_heap);
-       }
+       drm_i915_private_t *dev_priv = dev->dev_private;
+       i915_mem_release(dev, file_priv, dev_priv->agp_heap);
 }
 
 struct drm_ioctl_desc i915_ioctls[] = {