diff options
Diffstat (limited to 'drivers/gpu/drm/via/via_dri1.c')
-rw-r--r-- | drivers/gpu/drm/via/via_dri1.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/gpu/drm/via/via_dri1.c b/drivers/gpu/drm/via/via_dri1.c index d5d4a64437da..2fa22359b1f6 100644 --- a/drivers/gpu/drm/via/via_dri1.c +++ b/drivers/gpu/drm/via/via_dri1.c @@ -32,6 +32,7 @@ #include <drm/drm_drv.h> #include <drm/drm_file.h> #include <drm/drm_pciids.h> +#include <drm/drm_vblank.h> #include <drm/via_drm.h> #include "via_drv.h" @@ -66,6 +67,107 @@ dev_priv->dma_low += 8; \ } while (0) +static int via_do_init_map(struct drm_device *dev, drm_via_init_t *init) +{ + drm_via_private_t *dev_priv = dev->dev_private; + + DRM_DEBUG("\n"); + + dev_priv->sarea = drm_legacy_getsarea(dev); + if (!dev_priv->sarea) { + DRM_ERROR("could not find sarea!\n"); + dev->dev_private = (void *)dev_priv; + via_do_cleanup_map(dev); + return -EINVAL; + } + + dev_priv->fb = drm_legacy_findmap(dev, init->fb_offset); + if (!dev_priv->fb) { + DRM_ERROR("could not find framebuffer!\n"); + dev->dev_private = (void *)dev_priv; + via_do_cleanup_map(dev); + return -EINVAL; + } + dev_priv->mmio = drm_legacy_findmap(dev, init->mmio_offset); + if (!dev_priv->mmio) { + DRM_ERROR("could not find mmio region!\n"); + dev->dev_private = (void *)dev_priv; + via_do_cleanup_map(dev); + return -EINVAL; + } + + dev_priv->sarea_priv = + (drm_via_sarea_t *) ((u8 *) dev_priv->sarea->handle + + init->sarea_priv_offset); + + dev_priv->agpAddr = init->agpAddr; + + via_init_futex(dev_priv); + + via_init_dmablit(dev); + + dev->dev_private = (void *)dev_priv; + return 0; +} + +int via_do_cleanup_map(struct drm_device *dev) +{ + via_dma_cleanup(dev); + + return 0; +} + +static int via_map_init(struct drm_device *dev, void *data, struct drm_file *file_priv) +{ + drm_via_init_t *init = data; + + DRM_DEBUG("\n"); + + switch (init->func) { + case VIA_INIT_MAP: + return via_do_init_map(dev, init); + case VIA_CLEANUP_MAP: + return via_do_cleanup_map(dev); + } + + return -EINVAL; +} + +static int via_driver_load(struct drm_device *dev, unsigned long chipset) +{ + struct pci_dev *pdev = to_pci_dev(dev->dev); + drm_via_private_t *dev_priv; + int ret = 0; + + dev_priv = kzalloc(sizeof(drm_via_private_t), GFP_KERNEL); + if (dev_priv == NULL) + return -ENOMEM; + + idr_init(&dev_priv->object_idr); + dev->dev_private = (void *)dev_priv; + + dev_priv->chipset = chipset; + + pci_set_master(pdev); + + ret = drm_vblank_init(dev, 1); + if (ret) { + kfree(dev_priv); + return ret; + } + + return 0; +} + +static void via_driver_unload(struct drm_device *dev) +{ + drm_via_private_t *dev_priv = dev->dev_private; + + idr_destroy(&dev_priv->object_idr); + + kfree(dev_priv); +} + static void via_cmdbuf_start(drm_via_private_t *dev_priv); static void via_cmdbuf_pause(drm_via_private_t *dev_priv); static void via_cmdbuf_reset(drm_via_private_t *dev_priv); |