3  * aspeed-vhub -- Driver for Aspeed SoC "vHub" USB gadget
27 #include "vhub.h"
340 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_epn_queue()  local
347 		dev_warn(&vhub->pdev->dev, "Bogus EPn request ! u_req=%p\n", u_req);  in ast_vhub_epn_queue()
349 			dev_warn(&vhub->pdev->dev, "complete=%p internal=%d\n",  in ast_vhub_epn_queue()
381 		rc = usb_gadget_map_request_by_dev(&vhub->pdev->dev, u_req,  in ast_vhub_epn_queue()
384 			dev_warn(&vhub->pdev->dev,  in ast_vhub_epn_queue()
403 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_queue()
414 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_queue()
440 		dev_warn(&ep->vhub->pdev->dev, "Timeout waiting for DMA\n");  in ast_vhub_stop_active_req()
475 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_epn_dequeue()  local
480 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_dequeue()
499 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_dequeue()
518 		       ep->vhub->regs + AST_VHUB_EP_TOGGLE);  in ast_vhub_update_epn_stall()
525 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_set_halt_and_wedge()  local
537 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_set_halt_and_wedge()
541 		spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_set_halt_and_wedge()
548 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_set_halt_and_wedge()
566 	struct ast_vhub *vhub = ep->vhub;  in ast_vhub_epn_disable()  local
572 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_disable()
584 	ep_ier = readl(vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_disable()
586 	writel(ep_ier, vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_disable()
587 	writel(imask, vhub->regs + AST_VHUB_EP_ACK_ISR);  in ast_vhub_epn_disable()
595 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_disable()
605 	struct ast_vhub *vhub;  in ast_vhub_epn_enable()  local
633 	vhub = ep->vhub;  in ast_vhub_epn_enable()
699 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_epn_enable()
743 	       vhub->regs + AST_VHUB_EP_TOGGLE);  in ast_vhub_epn_enable()
747 	writel(imask, vhub->regs + AST_VHUB_EP_ACK_ISR);  in ast_vhub_epn_enable()
748 	ep_ier = readl(vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_enable()
750 	writel(ep_ier, vhub->regs + AST_VHUB_EP_ACK_IER);  in ast_vhub_epn_enable()
755 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_epn_enable()
778 	dma_free_coherent(&ep->vhub->pdev->dev,  in ast_vhub_epn_dispose()
803 	struct ast_vhub *vhub = d->vhub;  in ast_vhub_alloc_epn()  local
809 	spin_lock_irqsave(&vhub->lock, flags);  in ast_vhub_alloc_epn()
810 	for (i = 0; i < vhub->max_epns; i++)  in ast_vhub_alloc_epn()
811 		if (vhub->epns[i].dev == NULL)  in ast_vhub_alloc_epn()
813 	if (i >= vhub->max_epns) {  in ast_vhub_alloc_epn()
814 		spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_alloc_epn()
819 	ep = &vhub->epns[i];  in ast_vhub_alloc_epn()
821 	spin_unlock_irqrestore(&vhub->lock, flags);  in ast_vhub_alloc_epn()
826 	ep->vhub = vhub;  in ast_vhub_alloc_epn()
831 	ep->epn.regs = vhub->regs + 0x200 + (i * 0x10);  in ast_vhub_alloc_epn()
833 	ep->buf = dma_alloc_coherent(&vhub->pdev->dev,  in ast_vhub_alloc_epn()