forked from luck/tmp_suning_uos_patched
6cc2af6d50
The Allwinner (sunxi) implementation of the musb has its busctl registers indexed by the MUSB_INDEX register rather then in a flat address space. This commit turns MUSB_BUSCTL_OFFSET from a macro into an io-op which can be overridden from the platform ops. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
71 lines
3.0 KiB
C
71 lines
3.0 KiB
C
/*
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* MUSB OTG driver register I/O
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*
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* Copyright 2005 Mentor Graphics Corporation
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* Copyright (C) 2005-2006 by Texas Instruments
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* Copyright (C) 2006-2007 Nokia Corporation
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __MUSB_LINUX_PLATFORM_ARCH_H__
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#define __MUSB_LINUX_PLATFORM_ARCH_H__
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#include <linux/io.h>
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#define musb_ep_select(_mbase, _epnum) musb->io.ep_select((_mbase), (_epnum))
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/**
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* struct musb_io - IO functions for MUSB
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* @quirks: platform specific flags
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* @ep_offset: platform specific function to get end point offset
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* @ep_select: platform specific function to select end point
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* @fifo_offset: platform specific function to get fifo offset
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* @read_fifo: platform specific function to read fifo
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* @write_fifo: platform specific function to write fifo
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* @busctl_offset: platform specific function to get busctl offset
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*/
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struct musb_io {
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u32 quirks;
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u32 (*ep_offset)(u8 epnum, u16 offset);
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void (*ep_select)(void __iomem *mbase, u8 epnum);
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u32 (*fifo_offset)(u8 epnum);
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void (*read_fifo)(struct musb_hw_ep *hw_ep, u16 len, u8 *buf);
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void (*write_fifo)(struct musb_hw_ep *hw_ep, u16 len, const u8 *buf);
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u32 (*busctl_offset)(u8 epnum, u16 offset);
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};
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/* Do not add new entries here, add them the struct musb_io instead */
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extern u8 (*musb_readb)(const void __iomem *addr, unsigned offset);
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extern void (*musb_writeb)(void __iomem *addr, unsigned offset, u8 data);
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extern u16 (*musb_readw)(const void __iomem *addr, unsigned offset);
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extern void (*musb_writew)(void __iomem *addr, unsigned offset, u16 data);
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extern u32 (*musb_readl)(const void __iomem *addr, unsigned offset);
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extern void (*musb_writel)(void __iomem *addr, unsigned offset, u32 data);
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#endif
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