37 static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma,  in ivtv_yuv_prep_user_dma()  argument
42 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_prep_user_dma()
134 	dma->SG_length = pci_map_sg(itv->pdev, dma->SGlist, dma->page_count, PCI_DMA_TODEVICE);  in ivtv_yuv_prep_user_dma()
150 	ivtv_udma_sync_for_device(itv);  in ivtv_yuv_prep_user_dma()
155 int ivtv_yuv_filter_check(struct ivtv *itv)  in ivtv_yuv_filter_check()  argument
169 static void ivtv_yuv_filter(struct ivtv *itv, int h_filter, int v_filter_1, int v_filter_2)  in ivtv_yuv_filter()  argument
229 static void ivtv_yuv_handle_horizontal(struct ivtv *itv, struct yuv_frame_info *f)  in ivtv_yuv_handle_horizontal()  argument
231 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_handle_horizontal()
386 		ivtv_yuv_filter(itv, h_filter, -1, -1);  in ivtv_yuv_handle_horizontal()
391 static void ivtv_yuv_handle_vertical(struct ivtv *itv, struct yuv_frame_info *f)  in ivtv_yuv_handle_vertical()  argument
393 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_handle_vertical()
658 		ivtv_yuv_filter(itv, -1, v_filter_1, -1);  in ivtv_yuv_handle_vertical()
664 		ivtv_yuv_filter(itv, -1, -1, v_filter_2);  in ivtv_yuv_handle_vertical()
670 static u32 ivtv_yuv_window_setup(struct ivtv *itv, struct yuv_frame_info *f)  in ivtv_yuv_window_setup()  argument
672 	struct yuv_frame_info *of = &itv->yuv_info.old_frame_info;  in ivtv_yuv_window_setup()
749 	if (itv->yuv_info.track_osd) {  in ivtv_yuv_window_setup()
751 		f->dst_x += itv->yuv_info.osd_x_offset;  in ivtv_yuv_window_setup()
752 		f->dst_y += itv->yuv_info.osd_y_offset;  in ivtv_yuv_window_setup()
815 void ivtv_yuv_work_handler(struct ivtv *itv)  in ivtv_yuv_work_handler()  argument
817 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_work_handler()
840 	if (!(yuv_update = ivtv_yuv_window_setup(itv, &f)))  in ivtv_yuv_work_handler()
849 			ivtv_yuv_handle_horizontal(itv, &f);  in ivtv_yuv_work_handler()
852 			ivtv_yuv_handle_vertical(itv, &f);  in ivtv_yuv_work_handler()
857 static void ivtv_yuv_init(struct ivtv *itv)  in ivtv_yuv_init()  argument
859 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_init()
918 	if (!itv->osd_info) {  in ivtv_yuv_init()
941 		yi->blanking_dmaptr = pci_map_single(itv->pdev, yi->blanking_ptr, 720*16, PCI_DMA_TODEVICE);  in ivtv_yuv_init()
950 	set_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags);  in ivtv_yuv_init()
955 static void ivtv_yuv_next_free(struct ivtv *itv)  in ivtv_yuv_next_free()  argument
958 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_next_free()
961 		ivtv_yuv_init(itv);  in ivtv_yuv_next_free()
978 static void ivtv_yuv_setup_frame(struct ivtv *itv, struct ivtv_dma_frame *args)  in ivtv_yuv_setup_frame()  argument
980 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_setup_frame()
1071 void ivtv_yuv_frame_complete(struct ivtv *itv)  in ivtv_yuv_frame_complete()  argument
1073 	atomic_set(&itv->yuv_info.next_fill_frame,  in ivtv_yuv_frame_complete()
1074 			(itv->yuv_info.draw_frame + 1) % IVTV_YUV_BUFFERS);  in ivtv_yuv_frame_complete()
1077 static int ivtv_yuv_udma_frame(struct ivtv *itv, struct ivtv_dma_frame *args)  in ivtv_yuv_udma_frame()  argument
1083 	mutex_lock(&itv->udma.lock);  in ivtv_yuv_udma_frame()
1085 	if ((rc = ivtv_yuv_prep_user_dma(itv, &itv->udma, args)) != 0) {  in ivtv_yuv_udma_frame()
1086 		mutex_unlock(&itv->udma.lock);  in ivtv_yuv_udma_frame()
1090 	ivtv_udma_prepare(itv);  in ivtv_yuv_udma_frame()
1091 	prepare_to_wait(&itv->dma_waitq, &wait, TASK_INTERRUPTIBLE);  in ivtv_yuv_udma_frame()
1094 	while (test_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags) ||  in ivtv_yuv_udma_frame()
1095 	       test_bit(IVTV_F_I_UDMA, &itv->i_flags)) {  in ivtv_yuv_udma_frame()
1099 		if (got_sig && test_and_clear_bit(IVTV_F_I_UDMA_PENDING, &itv->i_flags))  in ivtv_yuv_udma_frame()
1104 	finish_wait(&itv->dma_waitq, &wait);  in ivtv_yuv_udma_frame()
1107 	ivtv_udma_unmap(itv);  in ivtv_yuv_udma_frame()
1111 		mutex_unlock(&itv->udma.lock);  in ivtv_yuv_udma_frame()
1115 	ivtv_yuv_frame_complete(itv);  in ivtv_yuv_udma_frame()
1117 	mutex_unlock(&itv->udma.lock);  in ivtv_yuv_udma_frame()
1122 void ivtv_yuv_setup_stream_frame(struct ivtv *itv)  in ivtv_yuv_setup_stream_frame()  argument
1124 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_setup_stream_frame()
1127 	ivtv_yuv_next_free(itv);  in ivtv_yuv_setup_stream_frame()
1141 	ivtv_yuv_setup_frame(itv, &dma_args);  in ivtv_yuv_setup_stream_frame()
1143 	if (!itv->dma_data_req_offset)  in ivtv_yuv_setup_stream_frame()
1144 		itv->dma_data_req_offset = yuv_offset[yi->draw_frame];  in ivtv_yuv_setup_stream_frame()
1148 int ivtv_yuv_udma_stream_frame(struct ivtv *itv, void __user *src)  in ivtv_yuv_udma_stream_frame()  argument
1150 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_udma_stream_frame()
1154 	ivtv_yuv_setup_stream_frame(itv);  in ivtv_yuv_udma_stream_frame()
1162 	mutex_unlock(&itv->serialize_lock);  in ivtv_yuv_udma_stream_frame()
1163 	res = ivtv_yuv_udma_frame(itv, &dma_args);  in ivtv_yuv_udma_stream_frame()
1164 	mutex_lock(&itv->serialize_lock);  in ivtv_yuv_udma_stream_frame()
1169 int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args)  in ivtv_yuv_prep_frame()  argument
1174 	ivtv_yuv_next_free(itv);  in ivtv_yuv_prep_frame()
1175 	ivtv_yuv_setup_frame(itv, args);  in ivtv_yuv_prep_frame()
1179 	mutex_unlock(&itv->serialize_lock);  in ivtv_yuv_prep_frame()
1180 	res = ivtv_yuv_udma_frame(itv, args);  in ivtv_yuv_prep_frame()
1181 	mutex_lock(&itv->serialize_lock);  in ivtv_yuv_prep_frame()
1185 void ivtv_yuv_close(struct ivtv *itv)  in ivtv_yuv_close()  argument
1187 	struct yuv_playback_info *yi = &itv->yuv_info;  in ivtv_yuv_close()
1191 	mutex_unlock(&itv->serialize_lock);  in ivtv_yuv_close()
1192 	ivtv_waitq(&itv->vsync_waitq);  in ivtv_yuv_close()
1193 	mutex_lock(&itv->serialize_lock);  in ivtv_yuv_close()
1273 	ivtv_yuv_filter(itv, h_filter, v_filter_1, v_filter_2);  in ivtv_yuv_close()
1285 		pci_unmap_single(itv->pdev, yi->blanking_dmaptr, 720*16, PCI_DMA_TODEVICE);  in ivtv_yuv_close()
1295 	clear_bit(IVTV_F_I_DECODING_YUV, &itv->i_flags);  in ivtv_yuv_close()