195 static void frame_reset(struct frame *f)  in frame_reset()  argument
197 	f->state = FRAME_CLEAR;  in frame_reset()
198 	f->done = 0;  in frame_reset()
199 	f->n_packets = 0;  in frame_reset()
200 	f->frame_begin_timestamp = NULL;  in frame_reset()
201 	f->assigned_timestamp = 0;  in frame_reset()
202 	f->cip_syt1 = NULL;  in frame_reset()
203 	f->cip_syt2 = NULL;  in frame_reset()
204 	f->mid_frame_timestamp = NULL;  in frame_reset()
205 	f->frame_end_timestamp = NULL;  in frame_reset()
206 	f->frame_end_branch = NULL;  in frame_reset()
211 	struct frame *f = kmalloc(sizeof(*f), GFP_KERNEL);  in frame_new()  local
212 	if (!f)  in frame_new()
215 	f->video = video;  in frame_new()
216 	f->frame_num = frame_num;  in frame_new()
218 	f->header_pool = pci_alloc_consistent(f->video->ohci->dev, PAGE_SIZE, &f->header_pool_dma);  in frame_new()
219 	if (!f->header_pool) {  in frame_new()
221 		kfree(f);  in frame_new()
226 		     (unsigned long) f->header_pool, (unsigned long) f->header_pool_dma, PAGE_SIZE);  in frame_new()
228 	f->descriptor_pool_size = MAX_PACKETS * sizeof(struct DMA_descriptor_block);  in frame_new()
230 	f->descriptor_pool_size += PAGE_SIZE - (f->descriptor_pool_size%PAGE_SIZE);  in frame_new()
232 	f->descriptor_pool = pci_alloc_consistent(f->video->ohci->dev,  in frame_new()
233 						  f->descriptor_pool_size,  in frame_new()
234 						  &f->descriptor_pool_dma);  in frame_new()
235 	if (!f->descriptor_pool) {  in frame_new()
236 		pci_free_consistent(f->video->ohci->dev, PAGE_SIZE, f->header_pool, f->header_pool_dma);  in frame_new()
237 		kfree(f);  in frame_new()
242 …(unsigned long) f->descriptor_pool, (unsigned long) f->descriptor_pool_dma, f->descriptor_pool_siz…  in frame_new()
244 	f->data = 0;  in frame_new()
245 	frame_reset(f);  in frame_new()
247 	return f;  in frame_new()
250 static void frame_delete(struct frame *f)  in frame_delete()  argument
252 	pci_free_consistent(f->video->ohci->dev, PAGE_SIZE, f->header_pool, f->header_pool_dma);  in frame_delete()
253 …pci_free_consistent(f->video->ohci->dev, f->descriptor_pool_size, f->descriptor_pool, f->descripto…  in frame_delete()
254 	kfree(f);  in frame_delete()
270 	struct frame *f = video->frames[this_frame];  in frame_prepare()  local
303 		data_p = f->data + full_packets * 480;  in frame_prepare()
311 		if (f->n_packets >= MAX_PACKETS) {  in frame_prepare()
318 		block = &(f->descriptor_pool[f->n_packets]);  in frame_prepare()
323 		block_dma = ((unsigned long) block - (unsigned long) f->descriptor_pool) + f->descriptor_pool_dma;  in frame_prepare()
327 		if ( ((unsigned long) &(f->header_pool[f->n_packets]) - (unsigned long) f->header_pool)   in frame_prepare()
333 		cip = &(f->header_pool[f->n_packets]);  in frame_prepare()
338 		cip_dma = (unsigned long) cip % PAGE_SIZE + f->header_pool_dma;  in frame_prepare()
375 		if (f->n_packets == 0) {  in frame_prepare()
379 		} else if (f->n_packets == packets_per_frame) {  in frame_prepare()
395 			f->cip_syt1 = cip;  in frame_prepare()
399 		} else if (first_packet_empty && (f->n_packets == 1) ) {  in frame_prepare()
402 			f->cip_syt2 = cip;  in frame_prepare()
437 				f->frame_begin_timestamp = &(block->u.out.u.empty.ol.q[3]);  in frame_prepare()
439 				f->mid_frame_timestamp = &(block->u.out.u.empty.ol.q[3]);  in frame_prepare()
441 				f->frame_end_timestamp = &(block->u.out.u.empty.ol.q[3]);  in frame_prepare()
442 				f->frame_end_branch = &(block->u.out.u.empty.ol.q[2]);  in frame_prepare()
448 				f->first_n_descriptors = n_descriptors;  in frame_prepare()
491 					f->frame_begin_timestamp = &(block->u.out.u.full.u.cross.ol.q[3]);  in frame_prepare()
493 					f->mid_frame_timestamp = &(block->u.out.u.full.u.cross.ol.q[3]);  in frame_prepare()
495 					f->frame_end_timestamp = &(block->u.out.u.full.u.cross.ol.q[3]);  in frame_prepare()
496 					f->frame_end_branch = &(block->u.out.u.full.u.cross.ol.q[2]);  in frame_prepare()
503 					f->first_n_descriptors = n_descriptors;  in frame_prepare()
526 					f->frame_begin_timestamp = &(block->u.out.u.full.u.nocross.ol.q[3]);  in frame_prepare()
528 					f->mid_frame_timestamp = &(block->u.out.u.full.u.nocross.ol.q[3]);  in frame_prepare()
530 					f->frame_end_timestamp = &(block->u.out.u.full.u.nocross.ol.q[3]);  in frame_prepare()
531 					f->frame_end_branch = &(block->u.out.u.full.u.nocross.ol.q[2]);  in frame_prepare()
538 					f->first_n_descriptors = n_descriptors;  in frame_prepare()
556 		f->n_packets++;  in frame_prepare()
562 	*(f->frame_end_branch) = cpu_to_le32(f->descriptor_pool_dma | f->first_n_descriptors);  in frame_prepare()
565 	dma_region_sync(&video->dv_buf, f->data - (unsigned long) video->dv_buf.kvirt, video->frame_size);  in frame_prepare()
570 	f->state = FRAME_READY;  in frame_prepare()
584 		   (unsigned long) f->frame_begin_timestamp,   in frame_prepare()
585 		   (unsigned long) f->mid_frame_timestamp,   in frame_prepare()
586 		   (unsigned long) f->frame_end_timestamp,   in frame_prepare()
587 		   (unsigned long) f->frame_end_branch);  in frame_prepare()
597 …*(video->frames[last_frame]->frame_end_branch) = cpu_to_le32(f->descriptor_pool_dma | f->first_n_d…  in frame_prepare()
636 			  f->first_n_descriptors);  in frame_prepare()
658 		f->assigned_timestamp = (ts_cyc&0xF) << 12;  in frame_prepare()
661 		if (f->cip_syt1) {  in frame_prepare()
662 			f->cip_syt1->b[6] = f->assigned_timestamp >> 8;  in frame_prepare()
663 			f->cip_syt1->b[7] = f->assigned_timestamp & 0xFF;  in frame_prepare()
665 		if (f->cip_syt2) {  in frame_prepare()
666 			f->cip_syt2->b[6] = f->assigned_timestamp >> 8;  in frame_prepare()
667 			f->cip_syt2->b[7] = f->assigned_timestamp & 0xFF;  in frame_prepare()
758 frame_put_packet (struct frame *f, struct packet *p)  in frame_put_packet()  argument
769 	        memcpy( (void *) f->data + dif_sequence * 150 * 80, p->data, 480);  in frame_put_packet()
773 	        memcpy( (void *) f->data + dif_sequence * 150 * 80 + (1 + dif_block) * 80, p->data, 480);  in frame_put_packet()
777 	        memcpy( (void *) f->data + dif_sequence * 150 * 80 + (3 + dif_block) * 80, p->data, 480);  in frame_put_packet()
781 …     memcpy( (void *) f->data + dif_sequence * 150 * 80 + (6 + dif_block * 16) * 80, p->data, 480);  in frame_put_packet()
785 …memcpy( (void *) f->data + dif_sequence * 150 * 80 + (7 + (dif_block / 15) + dif_block) * 80, p->d…  in frame_put_packet()
870 	struct frame *f = NULL;  in receive_packets()  local
878 		if (j > 0 && f != NULL && f->frame_end_branch != NULL)  in receive_packets()
879 			*(f->frame_end_branch) = cpu_to_le32(video->frames[j]->descriptor_pool_dma | 1); /* set Z=1 */  in receive_packets()
881 		f = video->frames[j];  in receive_packets()
885 			block = &(f->descriptor_pool[i]);  in receive_packets()
886 …	block_dma = ((unsigned long) block - (unsigned long) f->descriptor_pool) + f->descriptor_pool_dma;  in receive_packets()
888 			data = ((struct packet*)video->packet_buf.kvirt) + f->frame_num * MAX_PACKETS + i;  in receive_packets()
897 			last_branch_address = f->frame_end_branch;  in receive_packets()
902 			f->frame_end_branch = &(block->u.in.il.q[2]);  in receive_packets()
2128 		struct frame *f;  in it_tasklet_func()  local
2141 			f = video->frames[frame];  in it_tasklet_func()
2142 			if (f->state != FRAME_READY) {  in it_tasklet_func()
2151 			if ( *(f->frame_begin_timestamp) ) {  in it_tasklet_func()
2168 				    prev_f->done && (!f->done) )   in it_tasklet_func()
2180 				f->done = 1;  in it_tasklet_func()
2185 			if ( *(f->mid_frame_timestamp) ) {  in it_tasklet_func()
2189 				*(f->mid_frame_timestamp) = 0;  in it_tasklet_func()
2191 				begin_ts = le32_to_cpu(*(f->frame_begin_timestamp));  in it_tasklet_func()
2195 					   f->assigned_timestamp >> 12, f->assigned_timestamp & 0xFFF);  in it_tasklet_func()
2204 					next_frame = f;  in it_tasklet_func()
2211 				ts_cyc += f->n_packets + video->syt_offset ;   in it_tasklet_func()
2231 			if ( *(f->frame_end_timestamp) ) {  in it_tasklet_func()
2233 				*(f->frame_end_timestamp) = 0;  in it_tasklet_func()
2271 		struct frame *f;  in ir_tasklet_func()  local
2299 			f = video->frames[video->current_packet / MAX_PACKETS];  in ir_tasklet_func()
2300 			block = &(f->descriptor_pool[video->current_packet % MAX_PACKETS]);  in ir_tasklet_func()
2306 			f = video->frames[video->active_frame];  in ir_tasklet_func()
2333 					frame_reset(f);  /* f->state = STATE_CLEAR */  in ir_tasklet_func()
2346 					f = video->frames[video->active_frame];  in ir_tasklet_func()
2353 						f->state = FRAME_READY;  in ir_tasklet_func()
2357 					if (f->n_packets > (video->frame_size / 480)) {  in ir_tasklet_func()
2361 					frame_put_packet(f, p);  in ir_tasklet_func()
2376 			f = video->frames[next_i / MAX_PACKETS];  in ir_tasklet_func()
2377 			next = &(f->descriptor_pool[next_i % MAX_PACKETS]);  in ir_tasklet_func()
2378 			next_dma = ((unsigned long) block - (unsigned long) f->descriptor_pool) + f->descriptor_pool_dma;  in ir_tasklet_func()
2384 			f = video->frames[prev_i / MAX_PACKETS];  in ir_tasklet_func()
2385 			prev = &(f->descriptor_pool[prev_i % MAX_PACKETS]);  in ir_tasklet_func()