50 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			50 lines
		
	
	
		
			1.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| /*
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|  * MUSB OTG driver register I/O
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|  *
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|  * Copyright 2005 Mentor Graphics Corporation
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|  * Copyright (C) 2005-2006 by Texas Instruments
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|  * Copyright (C) 2006-2007 Nokia Corporation
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|  */
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| 
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| #ifndef __MUSB_LINUX_PLATFORM_ARCH_H__
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| #define __MUSB_LINUX_PLATFORM_ARCH_H__
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| 
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| #include <linux/io.h>
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| 
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| #define musb_ep_select(_mbase, _epnum)	musb->io.ep_select((_mbase), (_epnum))
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| 
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| /**
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|  * struct musb_io - IO functions for MUSB
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|  * @ep_offset:	platform specific function to get end point offset
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|  * @ep_select:	platform specific function to select end point
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|  * @fifo_offset: platform specific function to get fifo offset
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|  * @read_fifo:	platform specific function to read fifo
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|  * @write_fifo:	platform specific function to write fifo
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|  * @busctl_offset: platform specific function to get busctl offset
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|  * @get_toggle: platform specific function to get toggle
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|  * @set_toggle: platform specific function to set toggle
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|  */
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| struct musb_io {
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| 	u32	(*ep_offset)(u8 epnum, u16 offset);
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| 	void	(*ep_select)(void __iomem *mbase, u8 epnum);
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| 	u32	(*fifo_offset)(u8 epnum);
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| 	void	(*read_fifo)(struct musb_hw_ep *hw_ep, u16 len, u8 *buf);
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| 	void	(*write_fifo)(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf);
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| 	u32	(*busctl_offset)(u8 epnum, u16 offset);
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| 	u16	(*get_toggle)(struct musb_qh *qh, int is_out);
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| 	u16	(*set_toggle)(struct musb_qh *qh, int is_out, struct urb *urb);
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| };
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| 
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| /* Do not add new entries here, add them the struct musb_io instead */
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| extern u8 (*musb_readb)(void __iomem *addr, u32 offset);
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| extern void (*musb_writeb)(void __iomem *addr, u32 offset, u8 data);
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| extern u8 (*musb_clearb)(void __iomem *addr, u32 offset);
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| extern u16 (*musb_readw)(void __iomem *addr, u32 offset);
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| extern void (*musb_writew)(void __iomem *addr, u32 offset, u16 data);
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| extern u16 (*musb_clearw)(void __iomem *addr, u32 offset);
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| extern u32 musb_readl(void __iomem *addr, u32 offset);
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| extern void musb_writel(void __iomem *addr, u32 offset, u32 data);
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| 
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| #endif
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