diff options
Diffstat (limited to 'drivers/video/tegra/host/3dctx_common.h')
| -rw-r--r-- | drivers/video/tegra/host/3dctx_common.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/drivers/video/tegra/host/3dctx_common.h b/drivers/video/tegra/host/3dctx_common.h new file mode 100644 index 000000000000..3816b1a7eafd --- /dev/null +++ b/drivers/video/tegra/host/3dctx_common.h @@ -0,0 +1,52 @@ +/* + * drivers/video/tegra/host/3dctx_common.h + * + * Tegra Graphics Host Syncpoints for T20 + * + * Copyright (c) 2011, NVIDIA Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __NVHOST_3DCTX_COMMON_H +#define __NVHOST_3DCTX_COMMON_H + +#include <linux/types.h> + +/* Internal variables used by common 3D context switch functions */ +extern unsigned int nvhost_3dctx_restore_size; +extern unsigned int nvhost_3dctx_restore_incrs; +extern struct nvmap_handle_ref *nvhost_3dctx_save_buf; +extern unsigned int nvhost_3dctx_save_incrs; +extern unsigned int nvhost_3dctx_save_thresh; +extern unsigned int nvhost_3dctx_save_slots; + +struct nvhost_hwctx; +struct nvhost_channel; +struct kref; + +/* Functions used commonly by all 3D context switch modules */ +extern void nvhost_3dctx_restore_begin(u32 *ptr); +extern void nvhost_3dctx_restore_direct(u32 *ptr, u32 start_reg, u32 count); +extern void nvhost_3dctx_restore_indirect(u32 *ptr, u32 offset_reg, + u32 offset, u32 data_reg, u32 count); +extern void nvhost_3dctx_restore_end(u32 *ptr); +extern struct nvhost_hwctx *nvhost_3dctx_alloc_common( + struct nvhost_channel *ch, bool map_restore); +extern void nvhost_3dctx_get(struct nvhost_hwctx *ctx); +extern void nvhost_3dctx_free(struct kref *ref); +extern void nvhost_3dctx_put(struct nvhost_hwctx *ctx); + +#endif |