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5fd54ace | 1 | // SPDX-License-Identifier: GPL-2.0 |
550a7375 FB |
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 | |
550a7375 FB |
8 | */ |
9 | ||
10 | #ifndef __MUSB_LINUX_PLATFORM_ARCH_H__ | |
11 | #define __MUSB_LINUX_PLATFORM_ARCH_H__ | |
12 | ||
13 | #include <linux/io.h> | |
14 | ||
d026e9c7 TL |
15 | #define musb_ep_select(_mbase, _epnum) musb->io.ep_select((_mbase), (_epnum)) |
16 | ||
5450ac88 TL |
17 | /** |
18 | * struct musb_io - IO functions for MUSB | |
5450ac88 TL |
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 | |
6cc2af6d | 24 | * @busctl_offset: platform specific function to get busctl offset |
5450ac88 TL |
25 | */ |
26 | struct musb_io { | |
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27 | u32 (*ep_offset)(u8 epnum, u16 offset); |
28 | void (*ep_select)(void __iomem *mbase, u8 epnum); | |
29 | u32 (*fifo_offset)(u8 epnum); | |
30 | void (*read_fifo)(struct musb_hw_ep *hw_ep, u16 len, u8 *buf); | |
31 | void (*write_fifo)(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf); | |
6cc2af6d | 32 | u32 (*busctl_offset)(u8 epnum, u16 offset); |
5450ac88 TL |
33 | }; |
34 | ||
1b40fc57 TL |
35 | /* Do not add new entries here, add them the struct musb_io instead */ |
36 | extern u8 (*musb_readb)(const void __iomem *addr, unsigned offset); | |
37 | extern void (*musb_writeb)(void __iomem *addr, unsigned offset, u8 data); | |
38 | extern u16 (*musb_readw)(const void __iomem *addr, unsigned offset); | |
39 | extern void (*musb_writew)(void __iomem *addr, unsigned offset, u16 data); | |
42e990ea BL |
40 | extern u32 musb_readl(const void __iomem *addr, unsigned offset); |
41 | extern void musb_writel(void __iomem *addr, unsigned offset, u32 data); | |
2c557a4a | 42 | |
550a7375 | 43 | #endif |