xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/r128/ati_pcigart.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef DRM_ATI_PCIGART_H
3*4882a593Smuzhiyun #define DRM_ATI_PCIGART_H
4*4882a593Smuzhiyun 
5*4882a593Smuzhiyun #include <drm/drm_legacy.h>
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun /* location of GART table */
8*4882a593Smuzhiyun #define DRM_ATI_GART_MAIN 1
9*4882a593Smuzhiyun #define DRM_ATI_GART_FB   2
10*4882a593Smuzhiyun 
11*4882a593Smuzhiyun #define DRM_ATI_GART_PCI 1
12*4882a593Smuzhiyun #define DRM_ATI_GART_PCIE 2
13*4882a593Smuzhiyun #define DRM_ATI_GART_IGP 3
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun struct drm_ati_pcigart_info {
16*4882a593Smuzhiyun 	int gart_table_location;
17*4882a593Smuzhiyun 	int gart_reg_if;
18*4882a593Smuzhiyun 	void *addr;
19*4882a593Smuzhiyun 	dma_addr_t bus_addr;
20*4882a593Smuzhiyun 	dma_addr_t table_mask;
21*4882a593Smuzhiyun 	struct drm_dma_handle *table_handle;
22*4882a593Smuzhiyun 	struct drm_local_map mapping;
23*4882a593Smuzhiyun 	int table_size;
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun extern int drm_ati_pcigart_init(struct drm_device *dev,
27*4882a593Smuzhiyun 				struct drm_ati_pcigart_info * gart_info);
28*4882a593Smuzhiyun extern int drm_ati_pcigart_cleanup(struct drm_device *dev,
29*4882a593Smuzhiyun 				   struct drm_ati_pcigart_info * gart_info);
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #endif
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