1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * MUSB OTG driver register I/O 4 * 5 * Copyright 2005 Mentor Graphics Corporation 6 * Copyright (C) 2005-2006 by Texas Instruments 7 * Copyright (C) 2006-2007 Nokia Corporation 8 */ 9 10 #ifndef __MUSB_LINUX_PLATFORM_ARCH_H__ 11 #define __MUSB_LINUX_PLATFORM_ARCH_H__ 12 13 #include <linux/io.h> 14 15 #define musb_ep_select(_mbase, _epnum) musb->io.ep_select((_mbase), (_epnum)) 16 17 /** 18 * struct musb_io - IO functions for MUSB 19 * @ep_offset: platform specific function to get end point offset 20 * @ep_select: platform specific function to select end point 21 * @fifo_offset: platform specific function to get fifo offset 22 * @read_fifo: platform specific function to read fifo 23 * @write_fifo: platform specific function to write fifo 24 * @busctl_offset: platform specific function to get busctl offset 25 * @get_toggle: platform specific function to get toggle 26 * @set_toggle: platform specific function to set toggle 27 */ 28 struct musb_io { 29 u32 (*ep_offset)(u8 epnum, u16 offset); 30 void (*ep_select)(void __iomem *mbase, u8 epnum); 31 u32 (*fifo_offset)(u8 epnum); 32 void (*read_fifo)(struct musb_hw_ep *hw_ep, u16 len, u8 *buf); 33 void (*write_fifo)(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf); 34 u32 (*busctl_offset)(u8 epnum, u16 offset); 35 u16 (*get_toggle)(struct musb_qh *qh, int is_out); 36 u16 (*set_toggle)(struct musb_qh *qh, int is_out, struct urb *urb); 37 }; 38 39 /* Do not add new entries here, add them the struct musb_io instead */ 40 extern u8 (*musb_readb)(void __iomem *addr, u32 offset); 41 extern void (*musb_writeb)(void __iomem *addr, u32 offset, u8 data); 42 extern u8 (*musb_clearb)(void __iomem *addr, u32 offset); 43 extern u16 (*musb_readw)(void __iomem *addr, u32 offset); 44 extern void (*musb_writew)(void __iomem *addr, u32 offset, u16 data); 45 extern u16 (*musb_clearw)(void __iomem *addr, u32 offset); 46 extern u32 musb_readl(void __iomem *addr, u32 offset); 47 extern void musb_writel(void __iomem *addr, u32 offset, u32 data); 48 49 #endif 50