3  * aspeed-vhub -- Driver for Aspeed SoC "vHub" USB gadget
28 #include "vhub.h"
333 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_epn_queue()  local
340 		dev_warn(&vhub->pdev->dev, "Bogus EPn request ! u_req=%p\n", u_req);  in ast_vhub_epn_queue()
342 			dev_warn(&vhub->pdev->dev, "complete=%p internal=%d\n",  in ast_vhub_epn_queue()
374 		rc = usb_gadget_map_request_by_dev(&vhub->pdev->dev, u_req,  in ast_vhub_epn_queue()
377 			dev_warn(&vhub->pdev->dev,  in ast_vhub_epn_queue()
396 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_queue()
407 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_queue()
433 		dev_warn(&ep->vhub->pdev->dev, "Timeout waiting for DMA\n");  in ast_vhub_stop_active_req()
468 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_epn_dequeue()  local
473 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_dequeue()
490 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_dequeue()
509 		       ep->vhub->regs + AST_VHUB_EP_TOGGLE);  in ast_vhub_update_epn_stall()
516 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_set_halt_and_wedge()  local
528 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_set_halt_and_wedge()
532 		spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_set_halt_and_wedge()
539 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_set_halt_and_wedge()
557 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_epn_disable()  local
563 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_disable()
575 	ep_ier = readl(vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_disable()
577 	writel(ep_ier, vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_disable()
578 	writel(imask, vhub->regs + AST_VHUB_EP_ACK_ISR);  in ast_vhub_epn_disable()
586 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_disable()
596 	struct ast_vhub *vhub;  in ast_vhub_epn_enable()  local
624 	vhub = ep->vhub;  in ast_vhub_epn_enable()
690 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_enable()
734 	       vhub->regs + AST_VHUB_EP_TOGGLE);  in ast_vhub_epn_enable()
738 	writel(imask, vhub->regs + AST_VHUB_EP_ACK_ISR);  in ast_vhub_epn_enable()
739 	ep_ier = readl(vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_enable()
741 	writel(ep_ier, vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_enable()
746 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_enable()
769 	dma_free_coherent(&ep->vhub->pdev->dev,  in ast_vhub_epn_dispose()
794 	struct ast_vhub *vhub = d->vhub;  in ast_vhub_alloc_epn()  local
800 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_alloc_epn()
801 	for (i = 0; i < vhub->max_epns; i++)  in ast_vhub_alloc_epn()
802 		if (vhub->epns[i].dev == NULL)  in ast_vhub_alloc_epn()
804 	if (i >= vhub->max_epns) {  in ast_vhub_alloc_epn()
805 		spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_alloc_epn()
810 	ep = &vhub->epns[i];  in ast_vhub_alloc_epn()
812 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_alloc_epn()
817 	ep->vhub = vhub;  in ast_vhub_alloc_epn()
822 	ep->epn.regs = vhub->regs + 0x200 + (i * 0x10);  in ast_vhub_alloc_epn()
824 	ep->buf = dma_alloc_coherent(&vhub->pdev->dev,  in ast_vhub_alloc_epn()