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 | |