scsi/pm8001/pm8001_chips.h

0001 /*
0002  * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
0003  *
0004  * Copyright (c) 2008-2009 USI Co., Ltd.
0005  * All rights reserved.
0006  *
0007  * Redistribution and use in source and binary forms, with or without
0008  * modification, are permitted provided that the following conditions
0009  * are met:
0010  * 1. Redistributions of source code must retain the above copyright
0011  *    notice, this list of conditions, and the following disclaimer,
0012  *    without modification.
0013  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
0014  *    substantially similar to the "NO WARRANTY" disclaimer below
0015  *    ("Disclaimer") and any redistribution must be conditioned upon
0016  *    including a substantially similar Disclaimer requirement for further
0017  *    binary redistribution.
0018  * 3. Neither the names of the above-listed copyright holders nor the names
0019  *    of any contributors may be used to endorse or promote products derived
0020  *    from this software without specific prior written permission.
0021  *
0022  * Alternatively, this software may be distributed under the terms of the
0023  * GNU General Public License ("GPL") version 2 as published by the Free
0024  * Software Foundation.
0025  *
0026  * NO WARRANTY
0027  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
0028  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
0029  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
0030  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
0031  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
0032  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
0033  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
0034  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
0035  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
0036  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0037  * POSSIBILITY OF SUCH DAMAGES.
0038  *
0039  */
0040
0041 #ifndef _PM8001_CHIPS_H_
0042 #define _PM8001_CHIPS_H_
0043
0044 static inline u32 pm8001_read_32(void *virt_addr)
0045 {
0046     return *((u32 *)virt_addr);
0047 }
0048
0049 static inline void pm8001_write_32(void *addr, u32 offset, __le32 val)
0050 {
0051     *((__le32 *)(addr + offset)) = val;
0052 }
0053
0054 static inline u32 pm8001_cr32(struct pm8001_hba_info *pm8001_ha, u32 bar,
0055         u32 offset)
0056 {
0057     return readl(pm8001_ha->io_mem[bar].memvirtaddr + offset);
0058 }
0059
0060 static inline void pm8001_cw32(struct pm8001_hba_info *pm8001_ha, u32 bar,
0061         u32 addr, u32 val)
0062 {
0063     writel(val, pm8001_ha->io_mem[bar].memvirtaddr + addr);
0064 }
0065 static inline u32 pm8001_mr32(void __iomem *addr, u32 offset)
0066 {
0067     return readl(addr + offset);
0068 }
0069 static inline void pm8001_mw32(void __iomem *addr, u32 offset, u32 val)
0070 {
0071     writel(val, addr + offset);
0072 }
0073 static inline u32 get_pci_bar_index(u32 pcibar)
0074 {
0075         switch (pcibar) {
0076         case 0x18:
0077         case 0x1C:
0078             return 1;
0079         case 0x20:
0080             return 2;
0081         case 0x24:
0082             return 3;
0083         default:
0084             return 0;
0085     }
0086 }
0087
0088 #endif  /* _PM8001_CHIPS_H_ */
0089