3  * aspeed-vhub -- Driver for Aspeed SoC "vHub" USB gadget
33 #include "vhub.h"
338 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_epn_queue()  local
345 		dev_warn(&vhub->pdev->dev, "Bogus EPn request ! u_req=%p\n", u_req);  in ast_vhub_epn_queue()
347 			dev_warn(&vhub->pdev->dev, "complete=%p internal=%d\n",  in ast_vhub_epn_queue()
379 		rc = usb_gadget_map_request_by_dev(&vhub->pdev->dev, u_req,  in ast_vhub_epn_queue()
382 			dev_warn(&vhub->pdev->dev,  in ast_vhub_epn_queue()
401 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_queue()
412 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_queue()
438 		dev_warn(&ep->vhub->pdev->dev, "Timeout waiting for DMA\n");  in ast_vhub_stop_active_req()
473 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_epn_dequeue()  local
478 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_dequeue()
495 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_dequeue()
514 		       ep->vhub->regs + AST_VHUB_EP_TOGGLE);  in ast_vhub_update_epn_stall()
521 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_set_halt_and_wedge()  local
533 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_set_halt_and_wedge()
537 		spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_set_halt_and_wedge()
544 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_set_halt_and_wedge()
562 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_epn_disable()  local
568 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_disable()
580 	ep_ier = readl(vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_disable()
582 	writel(ep_ier, vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_disable()
583 	writel(imask, vhub->regs + AST_VHUB_EP_ACK_ISR);  in ast_vhub_epn_disable()
591 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_disable()
601 	struct ast_vhub *vhub;  in ast_vhub_epn_enable()  local
629 	vhub = ep->vhub;  in ast_vhub_epn_enable()
695 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_enable()
739 	       vhub->regs + AST_VHUB_EP_TOGGLE);  in ast_vhub_epn_enable()
743 	writel(imask, vhub->regs + AST_VHUB_EP_ACK_ISR);  in ast_vhub_epn_enable()
744 	ep_ier = readl(vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_enable()
746 	writel(ep_ier, vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_enable()
751 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_enable()
774 	dma_free_coherent(&ep->vhub->pdev->dev,  in ast_vhub_epn_dispose()
799 	struct ast_vhub *vhub = d->vhub;  in ast_vhub_alloc_epn()  local
805 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_alloc_epn()
806 	for (i = 0; i < vhub->max_epns; i++)  in ast_vhub_alloc_epn()
807 		if (vhub->epns[i].dev == NULL)  in ast_vhub_alloc_epn()
809 	if (i >= vhub->max_epns) {  in ast_vhub_alloc_epn()
810 		spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_alloc_epn()
815 	ep = &vhub->epns[i];  in ast_vhub_alloc_epn()
817 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_alloc_epn()
822 	ep->vhub = vhub;  in ast_vhub_alloc_epn()
827 	ep->epn.regs = vhub->regs + 0x200 + (i * 0x10);  in ast_vhub_alloc_epn()
829 	ep->buf = dma_alloc_coherent(&vhub->pdev->dev,  in ast_vhub_alloc_epn()