1/*
 2 * MUSB OTG driver register I/O
 3 *
 4 * Copyright 2005 Mentor Graphics Corporation
 5 * Copyright (C) 2005-2006 by Texas Instruments
 6 * Copyright (C) 2006-2007 Nokia Corporation
 7 *
 8 * This program is free software; you can redistribute it and/or
 9 * modify it under the terms of the GNU General Public License
10 * version 2 as published by the Free Software Foundation.
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15 * General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20 * 02110-1301 USA
21 *
22 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
25 * NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
29 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35#ifndef __MUSB_LINUX_PLATFORM_ARCH_H__
36#define __MUSB_LINUX_PLATFORM_ARCH_H__
37
38#include <linux/io.h>
39
40#define musb_ep_select(_mbase, _epnum)	musb->io.ep_select((_mbase), (_epnum))
41
42/**
43 * struct musb_io - IO functions for MUSB
44 * @quirks:	platform specific flags
45 * @ep_offset:	platform specific function to get end point offset
46 * @ep_select:	platform specific function to select end point
47 * @fifo_offset: platform specific function to get fifo offset
48 * @read_fifo:	platform specific function to read fifo
49 * @write_fifo:	platform specific function to write fifo
50 * @busctl_offset: platform specific function to get busctl offset
51 */
52struct musb_io {
53	u32	quirks;
54	u32	(*ep_offset)(u8 epnum, u16 offset);
55	void	(*ep_select)(void __iomem *mbase, u8 epnum);
56	u32	(*fifo_offset)(u8 epnum);
57	void	(*read_fifo)(struct musb_hw_ep *hw_ep, u16 len, u8 *buf);
58	void	(*write_fifo)(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf);
59	u32	(*busctl_offset)(u8 epnum, u16 offset);
60};
61
62/* Do not add new entries here, add them the struct musb_io instead */
63extern u8 (*musb_readb)(const void __iomem *addr, unsigned offset);
64extern void (*musb_writeb)(void __iomem *addr, unsigned offset, u8 data);
65extern u16 (*musb_readw)(const void __iomem *addr, unsigned offset);
66extern void (*musb_writew)(void __iomem *addr, unsigned offset, u16 data);
67extern u32 (*musb_readl)(const void __iomem *addr, unsigned offset);
68extern void (*musb_writel)(void __iomem *addr, unsigned offset, u32 data);
69
70#endif

 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 */
26struct musb_io {
 
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);
32	u32	(*busctl_offset)(u8 epnum, u16 offset);
33};
34
35/* Do not add new entries here, add them the struct musb_io instead */
36extern u8 (*musb_readb)(const void __iomem *addr, unsigned offset);
37extern void (*musb_writeb)(void __iomem *addr, unsigned offset, u8 data);
38extern u16 (*musb_readw)(const void __iomem *addr, unsigned offset);
39extern void (*musb_writew)(void __iomem *addr, unsigned offset, u16 data);
40extern u32 musb_readl(const void __iomem *addr, unsigned offset);
41extern void musb_writel(void __iomem *addr, unsigned offset, u32 data);
42
43#endif