diff options
Diffstat (limited to 'drivers/usb/musb/musb_io.h')
| -rw-r--r-- | drivers/usb/musb/musb_io.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/usb/musb/musb_io.h b/drivers/usb/musb/musb_io.h new file mode 100644 index 000000000..12874d3b2 --- /dev/null +++ b/drivers/usb/musb/musb_io.h @@ -0,0 +1,49 @@ +/* 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 |