30 	struct gsc_dev *gsc = ctx->gsc_dev;  in gsc_m2m_ctx_stop_req()  local
33 	curr_ctx = v4l2_m2m_get_curr_priv(gsc->m2m.m2m_dev);  in gsc_m2m_ctx_stop_req()
34 	if (!gsc_m2m_pending(gsc) || (curr_ctx != ctx))  in gsc_m2m_ctx_stop_req()
38 	ret = wait_event_timeout(gsc->irq_queue,  in gsc_m2m_ctx_stop_req()
147 	struct gsc_dev *gsc;  in gsc_m2m_device_run()  local
155 	gsc = ctx->gsc_dev;  in gsc_m2m_device_run()
156 	spin_lock_irqsave(&gsc->slock, flags);  in gsc_m2m_device_run()
158 	set_bit(ST_M2M_PEND, &gsc->state);  in gsc_m2m_device_run()
161 	if (gsc->m2m.ctx != ctx) {  in gsc_m2m_device_run()
163 				gsc->m2m.ctx, ctx);  in gsc_m2m_device_run()
165 		gsc->m2m.ctx = ctx;  in gsc_m2m_device_run()
172 		wake_up(&gsc->irq_queue);  in gsc_m2m_device_run()
182 	gsc_set_prefbuf(gsc, &ctx->s_frame);  in gsc_m2m_device_run()
183 	gsc_hw_set_input_addr(gsc, &ctx->s_frame.addr, GSC_M2M_BUF_NUM);  in gsc_m2m_device_run()
184 	gsc_hw_set_output_addr(gsc, &ctx->d_frame.addr, GSC_M2M_BUF_NUM);  in gsc_m2m_device_run()
187 		gsc_hw_set_input_buf_masking(gsc, GSC_M2M_BUF_NUM, false);  in gsc_m2m_device_run()
188 		gsc_hw_set_output_buf_masking(gsc, GSC_M2M_BUF_NUM, false);  in gsc_m2m_device_run()
189 		gsc_hw_set_frm_done_irq_mask(gsc, false);  in gsc_m2m_device_run()
190 		gsc_hw_set_gsc_irq_enable(gsc, true);  in gsc_m2m_device_run()
215 	gsc_hw_enable_control(gsc, true);  in gsc_m2m_device_run()
217 	spin_unlock_irqrestore(&gsc->slock, flags);  in gsc_m2m_device_run()
222 	spin_unlock_irqrestore(&gsc->slock, flags);  in gsc_m2m_device_run()
365 	struct gsc_dev *gsc = ctx->gsc_dev;  in gsc_m2m_reqbufs()  local
369 		gsc->variant->in_buf_cnt : gsc->variant->out_buf_cnt;  in gsc_m2m_reqbufs()
608 	struct gsc_dev *gsc = video_drvdata(file);  in gsc_m2m_open()  local
612 	pr_debug("pid: %d, state: 0x%lx", task_pid_nr(current), gsc->state);  in gsc_m2m_open()
614 	if (mutex_lock_interruptible(&gsc->lock))  in gsc_m2m_open()
623 	v4l2_fh_init(&ctx->fh, gsc->m2m.vfd);  in gsc_m2m_open()
633 	ctx->gsc_dev = gsc;  in gsc_m2m_open()
643 	ctx->m2m_ctx = v4l2_m2m_ctx_init(gsc->m2m.m2m_dev, ctx, queue_init);  in gsc_m2m_open()
650 	if (gsc->m2m.refcnt++ == 0)  in gsc_m2m_open()
651 		set_bit(ST_M2M_OPEN, &gsc->state);  in gsc_m2m_open()
655 	mutex_unlock(&gsc->lock);  in gsc_m2m_open()
665 	mutex_unlock(&gsc->lock);  in gsc_m2m_open()
672 	struct gsc_dev *gsc = ctx->gsc_dev;  in gsc_m2m_release()  local
675 		task_pid_nr(current), gsc->state, gsc->m2m.refcnt);  in gsc_m2m_release()
677 	mutex_lock(&gsc->lock);  in gsc_m2m_release()
684 	if (--gsc->m2m.refcnt <= 0)  in gsc_m2m_release()
685 		clear_bit(ST_M2M_OPEN, &gsc->state);  in gsc_m2m_release()
688 	mutex_unlock(&gsc->lock);  in gsc_m2m_release()
696 	struct gsc_dev *gsc = ctx->gsc_dev;  in gsc_m2m_poll()  local
699 	if (mutex_lock_interruptible(&gsc->lock))  in gsc_m2m_poll()
703 	mutex_unlock(&gsc->lock);  in gsc_m2m_poll()
711 	struct gsc_dev *gsc = ctx->gsc_dev;  in gsc_m2m_mmap()  local
714 	if (mutex_lock_interruptible(&gsc->lock))  in gsc_m2m_mmap()
718 	mutex_unlock(&gsc->lock);  in gsc_m2m_mmap()
737 int gsc_register_m2m_device(struct gsc_dev *gsc)  in gsc_register_m2m_device()  argument
742 	if (!gsc)  in gsc_register_m2m_device()
745 	pdev = gsc->pdev;  in gsc_register_m2m_device()
747 	gsc->vdev.fops		= &gsc_m2m_fops;  in gsc_register_m2m_device()
748 	gsc->vdev.ioctl_ops	= &gsc_m2m_ioctl_ops;  in gsc_register_m2m_device()
749 	gsc->vdev.release	= video_device_release_empty;  in gsc_register_m2m_device()
750 	gsc->vdev.lock		= &gsc->lock;  in gsc_register_m2m_device()
751 	gsc->vdev.vfl_dir	= VFL_DIR_M2M;  in gsc_register_m2m_device()
752 	gsc->vdev.v4l2_dev	= &gsc->v4l2_dev;  in gsc_register_m2m_device()
753 	gsc->vdev.device_caps	= V4L2_CAP_STREAMING |  in gsc_register_m2m_device()
755 	snprintf(gsc->vdev.name, sizeof(gsc->vdev.name), "%s.%d:m2m",  in gsc_register_m2m_device()
756 					GSC_MODULE_NAME, gsc->id);  in gsc_register_m2m_device()
758 	video_set_drvdata(&gsc->vdev, gsc);  in gsc_register_m2m_device()
760 	gsc->m2m.vfd = &gsc->vdev;  in gsc_register_m2m_device()
761 	gsc->m2m.m2m_dev = v4l2_m2m_init(&gsc_m2m_ops);  in gsc_register_m2m_device()
762 	if (IS_ERR(gsc->m2m.m2m_dev)) {  in gsc_register_m2m_device()
764 		return PTR_ERR(gsc->m2m.m2m_dev);  in gsc_register_m2m_device()
767 	ret = video_register_device(&gsc->vdev, VFL_TYPE_VIDEO, -1);  in gsc_register_m2m_device()
774 	pr_debug("gsc m2m driver registered as /dev/video%d", gsc->vdev.num);  in gsc_register_m2m_device()
778 	v4l2_m2m_release(gsc->m2m.m2m_dev);  in gsc_register_m2m_device()
783 void gsc_unregister_m2m_device(struct gsc_dev *gsc)  in gsc_unregister_m2m_device()  argument
785 	if (gsc) {  in gsc_unregister_m2m_device()
786 		v4l2_m2m_release(gsc->m2m.m2m_dev);  in gsc_unregister_m2m_device()
787 		video_unregister_device(&gsc->vdev);  in gsc_unregister_m2m_device()