dist/bsd-core/ati_pcigart.c

47 	struct drm_dma_handle *dmah = arg;
55 	dmah->busaddr = segs[0].ds_addr;
63 	struct drm_dma_handle *dmah;
69 	dmah = malloc(sizeof(struct drm_dma_handle), DRM_MEM_DMA,
71 	if (dmah == NULL)
82 	    &dmah->tag);
84 		free(dmah, DRM_MEM_DMA);
92 	ret = bus_dmamem_alloc(dmah->tag, &dmah->vaddr, flags, &dmah->map);
94 		bus_dma_tag_destroy(dmah->tag);
95 		free(dmah, DRM_MEM_DMA);
100 	ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr,
101 	    gart_info->table_size, drm_ati_alloc_pcigart_table_cb, dmah, 0);
103 		bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
104 		bus_dma_tag_destroy(dmah->tag);
105 		free(dmah, DRM_MEM_DMA);
110 	dmah->tag = dev->pa.pa_dmat;
116 	ret = bus_dmamem_alloc(dmah->tag, gart_info->table_size, PAGE_SIZE,
117 	0, dmah->segs, 1, &nsegs, flags);
121 		dmah->tag = NULL;
122 		free(dmah, DRM_MEM_DMA);
127 		bus_dmamem_free(dmah->tag, dmah->segs, 1);
128 		dmah->tag = NULL;
129 		free(dmah, DRM_MEM_DMA);
133 	ret = bus_dmamem_map(dmah->tag, dmah->segs, nsegs,
134 			     gart_info->table_size, &dmah->vaddr,
138 		bus_dmamem_free(dmah->tag, dmah->segs, 1);
139 		dmah->tag = NULL;
140 		free(dmah, DRM_MEM_DMA);
144 	ret = bus_dmamap_create(dmah->tag, gart_info->table_size, 1,
146 				BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &dmah->map);
149 		bus_dmamem_unmap(dmah->tag, dmah->vaddr, gart_info->table_size);
150 		bus_dmamem_free(dmah->tag, dmah->segs, 1);
151 		dmah->tag = NULL;
152 		free(dmah, DRM_MEM_DMA);
156 	ret = bus_dmamap_load(dmah->tag, dmah->map, dmah->vaddr,
160 		bus_dmamap_destroy(dmah->tag, dmah->map);
161 		bus_dmamem_unmap(dmah->tag, dmah->vaddr, gart_info->table_size);
162 		bus_dmamem_free(dmah->tag, dmah->segs, 1);
163 		dmah->tag = NULL;
164 		free(dmah, DRM_MEM_DMA);
167 	dmah->busaddr = dmah->map->dm_segs[0].ds_addr;
168 	dmah->size = gart_info->table_size;
169 	dmah->nsegs = 1;
176 	memset(dmah->vaddr, 0, gart_info->table_size);
180 	dev->sg->dmah = dmah;
189 	struct drm_dma_handle *dmah = dev->sg->dmah;
192 	bus_dmamem_free(dmah->tag, dmah->vaddr, dmah->map);
193 	bus_dma_tag_destroy(dmah->tag);
195 	bus_dmamap_unload(dmah->tag, dmah->map);
196 	bus_dmamap_destroy(dmah->tag, dmah->map);
197 	bus_dmamem_unmap(dmah->tag, dmah->vaddr, dmah->size);
198 	bus_dmamem_free(dmah->tag, dmah->segs, 1);
199 	dmah->tag = NULL;
201 	free(dmah, DRM_MEM_DMA);
202 	dev->sg->dmah = NULL;
218 			if (dev->sg->dmah)
253 		address = (void *)dev->sg->dmah->vaddr;
254 		bus_address = dev->sg->dmah->busaddr;