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