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, __le32 val)
50 {
51 	*((__le32 *)(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 
90