LXR linux/drivers/scsi/pm8001/pm8001

   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
  44static inline u32 pm8001_read_32(void *virt_addr)
  45{
  46        return *((u32 *)virt_addr);
  47}
  48
  49static inline void pm8001_write_32(void *addr, u32 offset, __le32 val)
  50{
  51        *((__le32 *)(addr + offset)) = val;
  52}
  53
  54static 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
  60static 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}
  65static inline u32 pm8001_mr32(void __iomem *addr, u32 offset)
  66{
  67        return readl(addr + offset);
  68}
  69static inline void pm8001_mw32(void __iomem *addr, u32 offset, u32 val)
  70{
  71        writel(val, addr + offset);
  72}
  73static 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
  90