linux/drivers/scsi/pm8001/pm8001_chips.h
Santosh Nayak 8270ee2abb [SCSI] pm8001: fix endian issue with code optimization.
1. Fix endian issue.
2. Fix the following warning :
    " drivers/scsi/pm8001/pm8001_hwi.c:2932:32: warning: comparison
      between ‘enum sas_device_type’ and ‘enum sas_dev_type’".
3. Few code optimization.

Signed-off-by: Santosh Nayak <santoshprasadnayak@gmail.com>
Acked-by: Jack Wang <jack_wang@usish.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
2012-02-29 16:54:09 -06:00

90 lines
2.9 KiB
C

/*
* PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
*
* Copyright (c) 2008-2009 USI Co., Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
*/
#ifndef _PM8001_CHIPS_H_
#define _PM8001_CHIPS_H_
static inline u32 pm8001_read_32(void *virt_addr)
{
return *((u32 *)virt_addr);
}
static inline void pm8001_write_32(void *addr, u32 offset, __le32 val)
{
*((__le32 *)(addr + offset)) = val;
}
static inline u32 pm8001_cr32(struct pm8001_hba_info *pm8001_ha, u32 bar,
u32 offset)
{
return readl(pm8001_ha->io_mem[bar].memvirtaddr + offset);
}
static inline void pm8001_cw32(struct pm8001_hba_info *pm8001_ha, u32 bar,
u32 addr, u32 val)
{
writel(val, pm8001_ha->io_mem[bar].memvirtaddr + addr);
}
static inline u32 pm8001_mr32(void __iomem *addr, u32 offset)
{
return readl(addr + offset);
}
static inline void pm8001_mw32(void __iomem *addr, u32 offset, u32 val)
{
writel(val, addr + offset);
}
static inline u32 get_pci_bar_index(u32 pcibar)
{
switch (pcibar) {
case 0x18:
case 0x1C:
return 1;
case 0x20:
return 2;
case 0x24:
return 3;
default:
return 0;
}
}
#endif /* _PM8001_CHIPS_H_ */