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 */ 52 struct 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 */ 63 extern u8 (*musb_readb)(const void __iomem *addr, unsigned offset); 64 extern void (*musb_writeb)(void __iomem *addr, unsigned offset, u8 data); 65 extern u16 (*musb_readw)(const void __iomem *addr, unsigned offset); 66 extern void (*musb_writew)(void __iomem *addr, unsigned offset, u16 data); 67 extern u32 (*musb_readl)(const void __iomem *addr, unsigned offset); 68 extern void (*musb_writel)(void __iomem *addr, unsigned offset, u32 data); 69 70 #endif 71