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9a35f8767a
Commit 1376d92f9 "usb: musb: allow musb and glue layers to be modules"
made the USB_MUSB_TUSB6010 option modular, but actually building
the driver as a module does not work, so various randconfig builds
actually fail. This changes all code that depends on the
option to also check for modular builds, and exports the necessary
symbols.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
142 lines
4.7 KiB
C
142 lines
4.7 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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#if !defined(CONFIG_ARM) && !defined(CONFIG_SUPERH) \
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&& !defined(CONFIG_AVR32) && !defined(CONFIG_PPC32) \
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&& !defined(CONFIG_PPC64) && !defined(CONFIG_BLACKFIN)
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static inline void readsl(const void __iomem *addr, void *buf, int len)
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{ insl((unsigned long)addr, buf, len); }
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static inline void readsw(const void __iomem *addr, void *buf, int len)
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{ insw((unsigned long)addr, buf, len); }
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static inline void readsb(const void __iomem *addr, void *buf, int len)
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{ insb((unsigned long)addr, buf, len); }
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static inline void writesl(const void __iomem *addr, const void *buf, int len)
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{ outsl((unsigned long)addr, buf, len); }
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static inline void writesw(const void __iomem *addr, const void *buf, int len)
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{ outsw((unsigned long)addr, buf, len); }
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static inline void writesb(const void __iomem *addr, const void *buf, int len)
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{ outsb((unsigned long)addr, buf, len); }
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#endif
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#ifndef CONFIG_BLACKFIN
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/* NOTE: these offsets are all in bytes */
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static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
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{ return __raw_readw(addr + offset); }
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static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
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{ return __raw_readl(addr + offset); }
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static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
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{ __raw_writew(data, addr + offset); }
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static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
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{ __raw_writel(data, addr + offset); }
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#if defined(CONFIG_USB_MUSB_TUSB6010) || defined (CONFIG_USB_MUSB_TUSB6010_MODULE)
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/*
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* TUSB6010 doesn't allow 8-bit access; 16-bit access is the minimum.
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*/
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static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
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{
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u16 tmp;
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u8 val;
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tmp = __raw_readw(addr + (offset & ~1));
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if (offset & 1)
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val = (tmp >> 8);
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else
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val = tmp & 0xff;
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return val;
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}
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static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
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{
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u16 tmp;
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tmp = __raw_readw(addr + (offset & ~1));
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if (offset & 1)
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tmp = (data << 8) | (tmp & 0xff);
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else
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tmp = (tmp & 0xff00) | data;
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__raw_writew(tmp, addr + (offset & ~1));
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}
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#else
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static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
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{ return __raw_readb(addr + offset); }
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static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
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{ __raw_writeb(data, addr + offset); }
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#endif /* CONFIG_USB_MUSB_TUSB6010 */
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#else
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static inline u8 musb_readb(const void __iomem *addr, unsigned offset)
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{ return (u8) (bfin_read16(addr + offset)); }
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static inline u16 musb_readw(const void __iomem *addr, unsigned offset)
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{ return bfin_read16(addr + offset); }
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static inline u32 musb_readl(const void __iomem *addr, unsigned offset)
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{ return (u32) (bfin_read16(addr + offset)); }
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static inline void musb_writeb(void __iomem *addr, unsigned offset, u8 data)
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{ bfin_write16(addr + offset, (u16) data); }
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static inline void musb_writew(void __iomem *addr, unsigned offset, u16 data)
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{ bfin_write16(addr + offset, data); }
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static inline void musb_writel(void __iomem *addr, unsigned offset, u32 data)
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{ bfin_write16(addr + offset, (u16) data); }
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#endif /* CONFIG_BLACKFIN */
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#endif
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