58 int mga_do_wait_for_idle(drm_mga_private_t * dev_priv)  in mga_do_wait_for_idle()  argument
64 	for (i = 0; i < dev_priv->usec_timeout; i++) {  in mga_do_wait_for_idle()
80 static int mga_do_dma_reset(drm_mga_private_t * dev_priv)  in mga_do_dma_reset()  argument
82 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;  in mga_do_dma_reset()
83 	drm_mga_primary_buffer_t *primary = &dev_priv->prim;  in mga_do_dma_reset()
108 void mga_do_dma_flush(drm_mga_private_t * dev_priv)  in mga_do_dma_flush()  argument
110 	drm_mga_primary_buffer_t *primary = &dev_priv->prim;  in mga_do_dma_flush()
118 	for (i = 0; i < dev_priv->usec_timeout; i++) {  in mga_do_dma_flush()
130 	tail = primary->tail + dev_priv->primary->offset;  in mga_do_dma_flush()
154 	DRM_DEBUG("   head = 0x%06lx\n", head - dev_priv->primary->offset);  in mga_do_dma_flush()
155 	DRM_DEBUG("   tail = 0x%06lx\n", tail - dev_priv->primary->offset);  in mga_do_dma_flush()
159 	MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);  in mga_do_dma_flush()
164 void mga_do_dma_wrap_start(drm_mga_private_t * dev_priv)  in mga_do_dma_wrap_start()  argument
166 	drm_mga_primary_buffer_t *primary = &dev_priv->prim;  in mga_do_dma_wrap_start()
179 	tail = primary->tail + dev_priv->primary->offset;  in mga_do_dma_wrap_start()
187 	if (head == dev_priv->primary->offset) {  in mga_do_dma_wrap_start()
190 		primary->space = head - dev_priv->primary->offset;  in mga_do_dma_wrap_start()
193 	DRM_DEBUG("   head = 0x%06lx\n", head - dev_priv->primary->offset);  in mga_do_dma_wrap_start()
199 	MGA_WRITE(MGA_PRIMEND, tail | dev_priv->dma_access);  in mga_do_dma_wrap_start()
205 void mga_do_dma_wrap_end(drm_mga_private_t * dev_priv)  in mga_do_dma_wrap_end()  argument
207 	drm_mga_primary_buffer_t *primary = &dev_priv->prim;  in mga_do_dma_wrap_end()
208 	drm_mga_sarea_t *sarea_priv = dev_priv->sarea_priv;  in mga_do_dma_wrap_end()
209 	u32 head = dev_priv->primary->offset;  in mga_do_dma_wrap_end()
232 	drm_mga_private_t *dev_priv = dev->dev_private;  in mga_freelist_print()  local
237 		 dev_priv->sarea_priv->last_dispatch,  in mga_freelist_print()
239 				dev_priv->primary->offset));  in mga_freelist_print()
242 	for (entry = dev_priv->head->next; entry; entry = entry->next) {  in mga_freelist_print()
245 			 entry->age.head - dev_priv->primary->offset);  in mga_freelist_print()
251 static int mga_freelist_init(struct drm_device * dev, drm_mga_private_t * dev_priv)  in mga_freelist_init()  argument
260 	dev_priv->head = drm_alloc(sizeof(drm_mga_freelist_t), DRM_MEM_DRIVER);  in mga_freelist_init()
261 	if (dev_priv->head == NULL)  in mga_freelist_init()
264 	memset(dev_priv->head, 0, sizeof(drm_mga_freelist_t));  in mga_freelist_init()
265 	SET_AGE(&dev_priv->head->age, MGA_BUFFER_USED, 0);  in mga_freelist_init()
277 		entry->next = dev_priv->head->next;  in mga_freelist_init()
278 		entry->prev = dev_priv->head;  in mga_freelist_init()
282 		if (dev_priv->head->next != NULL)  in mga_freelist_init()
283 			dev_priv->head->next->prev = entry;  in mga_freelist_init()
285 			dev_priv->tail = entry;  in mga_freelist_init()
291 		dev_priv->head->next = entry;  in mga_freelist_init()
299 	drm_mga_private_t *dev_priv = dev->dev_private;  in mga_freelist_cleanup()  local
304 	entry = dev_priv->head;  in mga_freelist_cleanup()
311 	dev_priv->head = dev_priv->tail = NULL;  in mga_freelist_cleanup()
334 	drm_mga_private_t *dev_priv = dev->dev_private;  in mga_freelist_get()  local
337 	drm_mga_freelist_t *tail = dev_priv->tail;  in mga_freelist_get()
342 	wrap = dev_priv->sarea_priv->last_wrap;  in mga_freelist_get()
346 		  tail->age.head - dev_priv->primary->offset : 0,  in mga_freelist_get()
349 		  head - dev_priv->primary->offset, wrap);  in mga_freelist_get()
352 		prev = dev_priv->tail->prev;  in mga_freelist_get()
353 		next = dev_priv->tail;  in mga_freelist_get()
356 		dev_priv->tail = prev;  in mga_freelist_get()
367 	drm_mga_private_t *dev_priv = dev->dev_private;  in mga_freelist_put()  local
373 		  dev_priv->primary->offset, buf_priv->list_entry->age.wrap);  in mga_freelist_put()
376 	head = dev_priv->head;  in mga_freelist_put()
380 		prev = dev_priv->tail;  in mga_freelist_put()
401 	drm_mga_private_t *dev_priv;  in mga_driver_load()  local
404 	dev_priv = drm_alloc(sizeof(drm_mga_private_t), DRM_MEM_DRIVER);  in mga_driver_load()
405 	if (!dev_priv)  in mga_driver_load()
408 	dev->dev_private = (void *)dev_priv;  in mga_driver_load()
409 	memset(dev_priv, 0, sizeof(drm_mga_private_t));  in mga_driver_load()
411 	dev_priv->usec_timeout = MGA_DEFAULT_USEC_TIMEOUT;  in mga_driver_load()
412 	dev_priv->chipset = flags;  in mga_driver_load()
414 	dev_priv->mmio_base = drm_get_resource_start(dev, 1);  in mga_driver_load()
415 	dev_priv->mmio_size = drm_get_resource_len(dev, 1);  in mga_driver_load()
450 	drm_mga_private_t *const dev_priv =  in mga_do_agp_dma_bootstrap()  local
452 	unsigned int warp_size = mga_warp_microcode_size(dev_priv);  in mga_do_agp_dma_bootstrap()
488 	if (dev_priv->chipset == MGA_CARD_TYPE_G200) {  in mga_do_agp_dma_bootstrap()
501 		dev_priv->agp_size = 0;  in mga_do_agp_dma_bootstrap()
507 	dev_priv->agp_size = agp_size;  in mga_do_agp_dma_bootstrap()
508 	dev_priv->agp_handle = agp_req.handle;  in mga_do_agp_dma_bootstrap()
526 			 _DRM_AGP, _DRM_READ_ONLY, &dev_priv->warp);  in mga_do_agp_dma_bootstrap()
534 			 _DRM_AGP, _DRM_READ_ONLY, & dev_priv->primary);  in mga_do_agp_dma_bootstrap()
578 			 _DRM_AGP, 0, & dev_priv->agp_textures);  in mga_do_agp_dma_bootstrap()
584 	drm_core_ioremap(dev_priv->warp, dev);  in mga_do_agp_dma_bootstrap()
585 	drm_core_ioremap(dev_priv->primary, dev);  in mga_do_agp_dma_bootstrap()
588 	if (!dev_priv->warp->virtual ||  in mga_do_agp_dma_bootstrap()
589 	    !dev_priv->primary->virtual || !dev->agp_buffer_map->virtual) {  in mga_do_agp_dma_bootstrap()
591 			  dev_priv->warp->virtual, dev_priv->primary->virtual,  in mga_do_agp_dma_bootstrap()
596 	dev_priv->dma_access = MGA_PAGPXFER;  in mga_do_agp_dma_bootstrap()
597 	dev_priv->wagp_enable = MGA_WAGP_ENABLE;  in mga_do_agp_dma_bootstrap()
620 	drm_mga_private_t *const dev_priv =  in mga_do_pci_dma_bootstrap()  local
622 	unsigned int warp_size = mga_warp_microcode_size(dev_priv);  in mga_do_pci_dma_bootstrap()
642 			 _DRM_READ_ONLY, &dev_priv->warp);  in mga_do_pci_dma_bootstrap()
658 				 _DRM_READ_ONLY, &dev_priv->primary);  in mga_do_pci_dma_bootstrap()
668 	if (dev_priv->primary->size != dma_bs->primary_size) {  in mga_do_pci_dma_bootstrap()
671 			 (unsigned)dev_priv->primary->size);  in mga_do_pci_dma_bootstrap()
672 		dma_bs->primary_size = dev_priv->primary->size;  in mga_do_pci_dma_bootstrap()
699 	dev_priv->dma_access = 0;  in mga_do_pci_dma_bootstrap()
700 	dev_priv->wagp_enable = 0;  in mga_do_pci_dma_bootstrap()
714 	drm_mga_private_t *const dev_priv =  in mga_do_dma_bootstrap()  local
718 	dev_priv->used_new_dma_init = 1;  in mga_do_dma_bootstrap()
723 	err = drm_addmap(dev, dev_priv->mmio_base, dev_priv->mmio_size,  in mga_do_dma_bootstrap()
724 			 _DRM_REGISTERS, _DRM_READ_ONLY, & dev_priv->mmio);  in mga_do_dma_bootstrap()
733 			 & dev_priv->status);  in mga_do_dma_bootstrap()
781 	const drm_mga_private_t *const dev_priv =  in mga_dma_bootstrap()  local
791 	if (dev_priv->agp_textures != NULL) {  in mga_dma_bootstrap()
792 		bootstrap->texture_handle = dev_priv->agp_textures->offset;  in mga_dma_bootstrap()
793 		bootstrap->texture_size = dev_priv->agp_textures->size;  in mga_dma_bootstrap()
807 	drm_mga_private_t *dev_priv;  in mga_do_init_dma()  local
812 	dev_priv = dev->dev_private;  in mga_do_init_dma()
815 		dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_BLK;  in mga_do_init_dma()
817 		dev_priv->clear_cmd = MGA_DWGCTL_CLEAR | MGA_ATYPE_RSTR;  in mga_do_init_dma()
819 	dev_priv->maccess = init->maccess;  in mga_do_init_dma()
821 	dev_priv->fb_cpp = init->fb_cpp;  in mga_do_init_dma()
822 	dev_priv->front_offset = init->front_offset;  in mga_do_init_dma()
823 	dev_priv->front_pitch = init->front_pitch;  in mga_do_init_dma()
824 	dev_priv->back_offset = init->back_offset;  in mga_do_init_dma()
825 	dev_priv->back_pitch = init->back_pitch;  in mga_do_init_dma()
827 	dev_priv->depth_cpp = init->depth_cpp;  in mga_do_init_dma()
828 	dev_priv->depth_offset = init->depth_offset;  in mga_do_init_dma()
829 	dev_priv->depth_pitch = init->depth_pitch;  in mga_do_init_dma()
833 	dev_priv->texture_offset = init->texture_offset[0];  in mga_do_init_dma()
834 	dev_priv->texture_size = init->texture_size[0];  in mga_do_init_dma()
836 	dev_priv->sarea = drm_getsarea(dev);  in mga_do_init_dma()
837 	if (!dev_priv->sarea) {  in mga_do_init_dma()
842 	if (!dev_priv->used_new_dma_init) {  in mga_do_init_dma()
844 		dev_priv->dma_access = MGA_PAGPXFER;  in mga_do_init_dma()
845 		dev_priv->wagp_enable = MGA_WAGP_ENABLE;  in mga_do_init_dma()
847 		dev_priv->status = drm_core_findmap(dev, init->status_offset);  in mga_do_init_dma()
848 		if (!dev_priv->status) {  in mga_do_init_dma()
852 		dev_priv->mmio = drm_core_findmap(dev, init->mmio_offset);  in mga_do_init_dma()
853 		if (!dev_priv->mmio) {  in mga_do_init_dma()
857 		dev_priv->warp = drm_core_findmap(dev, init->warp_offset);  in mga_do_init_dma()
858 		if (!dev_priv->warp) {  in mga_do_init_dma()
862 		dev_priv->primary = drm_core_findmap(dev, init->primary_offset);  in mga_do_init_dma()
863 		if (!dev_priv->primary) {  in mga_do_init_dma()
875 		drm_core_ioremap(dev_priv->warp, dev);  in mga_do_init_dma()
876 		drm_core_ioremap(dev_priv->primary, dev);  in mga_do_init_dma()
880 	dev_priv->sarea_priv =  in mga_do_init_dma()
881 	    (drm_mga_sarea_t *) ((u8 *) dev_priv->sarea->virtual +  in mga_do_init_dma()
884 	if (!dev_priv->warp->virtual ||  in mga_do_init_dma()
885 	    !dev_priv->primary->virtual ||  in mga_do_init_dma()
886 	    ((dev_priv->dma_access != 0) &&  in mga_do_init_dma()
893 	ret = mga_warp_install_microcode(dev_priv);  in mga_do_init_dma()
899 	ret = mga_warp_init(dev_priv);  in mga_do_init_dma()
905 	dev_priv->prim.status = (u32 *) dev_priv->status->virtual;  in mga_do_init_dma()
907 	mga_do_wait_for_idle(dev_priv);  in mga_do_init_dma()
911 	MGA_WRITE(MGA_PRIMADDRESS, dev_priv->primary->offset | MGA_DMA_GENERAL);  in mga_do_init_dma()
913 	dev_priv->prim.start = (u8 *) dev_priv->primary->virtual;  in mga_do_init_dma()
914 	dev_priv->prim.end = ((u8 *) dev_priv->primary->virtual  in mga_do_init_dma()
915 			      + dev_priv->primary->size);  in mga_do_init_dma()
916 	dev_priv->prim.size = dev_priv->primary->size;  in mga_do_init_dma()
918 	dev_priv->prim.tail = 0;  in mga_do_init_dma()
919 	dev_priv->prim.space = dev_priv->prim.size;  in mga_do_init_dma()
920 	dev_priv->prim.wrapped = 0;  in mga_do_init_dma()
922 	dev_priv->prim.last_flush = 0;  in mga_do_init_dma()
923 	dev_priv->prim.last_wrap = 0;  in mga_do_init_dma()
925 	dev_priv->prim.high_mark = 256 * DMA_BLOCK_SIZE;  in mga_do_init_dma()
927 	dev_priv->prim.status[0] = dev_priv->primary->offset;  in mga_do_init_dma()
928 	dev_priv->prim.status[1] = 0;  in mga_do_init_dma()
930 	dev_priv->sarea_priv->last_wrap = 0;  in mga_do_init_dma()
931 	dev_priv->sarea_priv->last_frame.head = 0;  in mga_do_init_dma()
932 	dev_priv->sarea_priv->last_frame.wrap = 0;  in mga_do_init_dma()
934 	if (mga_freelist_init(dev, dev_priv) < 0) {  in mga_do_init_dma()
955 		drm_mga_private_t *dev_priv = dev->dev_private;  in mga_do_cleanup_dma()  local
957 		if ((dev_priv->warp != NULL)  in mga_do_cleanup_dma()
958 		    && (dev_priv->warp->type != _DRM_CONSISTENT))  in mga_do_cleanup_dma()
959 			drm_core_ioremapfree(dev_priv->warp, dev);  in mga_do_cleanup_dma()
961 		if ((dev_priv->primary != NULL)  in mga_do_cleanup_dma()
962 		    && (dev_priv->primary->type != _DRM_CONSISTENT))  in mga_do_cleanup_dma()
963 			drm_core_ioremapfree(dev_priv->primary, dev);  in mga_do_cleanup_dma()
968 		if (dev_priv->used_new_dma_init) {  in mga_do_cleanup_dma()
969 			if (dev_priv->agp_handle != 0) {  in mga_do_cleanup_dma()
973 				unbind_req.handle = dev_priv->agp_handle;  in mga_do_cleanup_dma()
976 				free_req.handle = dev_priv->agp_handle;  in mga_do_cleanup_dma()
979 				dev_priv->agp_textures = NULL;  in mga_do_cleanup_dma()
980 				dev_priv->agp_size = 0;  in mga_do_cleanup_dma()
981 				dev_priv->agp_handle = 0;  in mga_do_cleanup_dma()
989 		dev_priv->warp = NULL;  in mga_do_cleanup_dma()
990 		dev_priv->primary = NULL;  in mga_do_cleanup_dma()
991 		dev_priv->sarea = NULL;  in mga_do_cleanup_dma()
992 		dev_priv->sarea_priv = NULL;  in mga_do_cleanup_dma()
996 			dev_priv->mmio = NULL;  in mga_do_cleanup_dma()
997 			dev_priv->status = NULL;  in mga_do_cleanup_dma()
998 			dev_priv->used_new_dma_init = 0;  in mga_do_cleanup_dma()
1001 		memset(&dev_priv->prim, 0, sizeof(dev_priv->prim));  in mga_do_cleanup_dma()
1002 		dev_priv->warp_pipe = 0;  in mga_do_cleanup_dma()
1003 		memset(dev_priv->warp_pipe_phys, 0,  in mga_do_cleanup_dma()
1004 		       sizeof(dev_priv->warp_pipe_phys));  in mga_do_cleanup_dma()
1006 		if (dev_priv->head != NULL) {  in mga_do_cleanup_dma()
1043 	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;  in mga_dma_flush()  local
1053 	WRAP_WAIT_WITH_RETURN(dev_priv);  in mga_dma_flush()
1056 		mga_do_dma_flush(dev_priv);  in mga_dma_flush()
1061 		int ret = mga_do_wait_for_idle(dev_priv);  in mga_dma_flush()
1066 		return mga_do_wait_for_idle(dev_priv);  in mga_dma_flush()
1076 	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;  in mga_dma_reset()  local
1080 	return mga_do_dma_reset(dev_priv);  in mga_dma_reset()
1116 	drm_mga_private_t *dev_priv = (drm_mga_private_t *) dev->dev_private;  in mga_dma_buffers()  local
1138 	WRAP_TEST_WITH_RETURN(dev_priv);  in mga_dma_buffers()
1170 	drm_mga_private_t *dev_priv = dev->dev_private;  in mga_driver_dma_quiescent()  local
1171 	return mga_do_wait_for_idle(dev_priv);  in mga_driver_dma_quiescent()