drivers/scsi/pm8001/pm8001_chips.h

   1 /*
   2  * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
   3  *
   4  * Copyright (c) 2008-2009 USI Co., Ltd.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions, and the following disclaimer,
  12  *    without modification.
  13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  14  *    substantially similar to the "NO WARRANTY" disclaimer below
  15  *    ("Disclaimer") and any redistribution must be conditioned upon
  16  *    including a substantially similar Disclaimer requirement for further
  17  *    binary redistribution.
  18  * 3. Neither the names of the above-listed copyright holders nor the names
  19  *    of any contributors may be used to endorse or promote products derived
  20  *    from this software without specific prior written permission.
  21  *
  22  * Alternatively, this software may be distributed under the terms of the
  23  * GNU General Public License ("GPL") version 2 as published by the Free
  24  * Software Foundation.
  25  *
  26  * NO WARRANTY
  27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  36  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  37  * POSSIBILITY OF SUCH DAMAGES.
  38  *
  39  */
  40
  41 #ifndef _PM8001_CHIPS_H_
  42 #define _PM8001_CHIPS_H_
  43
  44 static inline u32 pm8001_read_32(void *virt_addr)
  45 {
  46         return *((u32 *)virt_addr);
  47 }
  48
  49 static inline void pm8001_write_32(void *addr, u32 offset, u32 val)
  50 {
  51         *((u32 *)(addr + offset)) = val;
  52 }
  53
  54 static inline u32 pm8001_cr32(struct pm8001_hba_info *pm8001_ha, u32 bar,
  55                 u32 offset)
  56 {
  57         return readl(pm8001_ha->io_mem[bar].memvirtaddr + offset);
  58 }
  59
  60 static inline void pm8001_cw32(struct pm8001_hba_info *pm8001_ha, u32 bar,
  61                 u32 addr, u32 val)
  62 {
  63         writel(val, pm8001_ha->io_mem[bar].memvirtaddr + addr);
  64 }
  65 static inline u32 pm8001_mr32(void __iomem *addr, u32 offset)
  66 {
  67         return readl(addr + offset);
  68 }
  69 static inline void pm8001_mw32(void __iomem *addr, u32 offset, u32 val)
  70 {
  71         writel(val, addr + offset);
  72 }
  73 static inline u32 get_pci_bar_index(u32 pcibar)
  74 {
  75                 switch (pcibar) {
  76                 case 0x18:
  77                 case 0x1C:
  78                         return 1;
  79                 case 0x20:
  80                         return 2;
  81                 case 0x24:
  82                         return 3;
  83                 default:
  84                         return 0;
  85         }
  86 }
  87
  88 #endif  /* _PM8001_CHIPS_H_ */
  89