atipcirename.h revision cd241713 
1/*
2 * Copyright 2007 George Sapountzis
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
21 * SOFTWARE.
22 */
23
24/**
25 * Macros for porting drivers from legacy xfree86 PCI code to the pciaccess
26 * library. The main purpose being to facilitate source code compatibility.
27 */
28
29#ifndef ATIPCIRENAME_H
30#define ATIPCIRENAME_H
31
32enum region_type {
33    REGION_MEM,
34    REGION_IO
35};
36
37#include <stdint.h>
38#include "xf86Module.h"
39
40#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 12
41
42#if (defined(__alpha__) || defined(__ia64__)) && defined (linux)
43#define PCI_DOM_MASK    0x01fful
44#else
45#define PCI_DOM_MASK 0x0ffu
46#endif
47
48#ifndef PCI_DOM_MASK
49# define PCI_DOM_MASK 0x0ffu
50#endif
51#define PCI_DOMBUS_MASK (((PCI_DOM_MASK) << 8) | 0x0ffu)
52
53static inline uint32_t
54pciTag(int busnum, int devnum, int funcnum)
55{
56	uint32_t tag;
57	tag  = (busnum & (PCI_DOMBUS_MASK)) << 16;
58	tag |= (devnum & 0x00001fu) << 11;
59	tag |= (funcnum & 0x000007u) << 8;
60
61	return tag;
62}
63#endif /* GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 12 */
64
65#ifndef XSERVER_LIBPCIACCESS
66
67/* pciVideoPtr */
68#define PCI_DEV_VENDOR_ID(_pcidev) ((_pcidev)->vendor)
69#define PCI_DEV_DEVICE_ID(_pcidev) ((_pcidev)->chipType)
70#define PCI_DEV_REVISION(_pcidev)  ((_pcidev)->chipRev)
71
72#define PCI_SUB_VENDOR_ID(_pcidev) ((_pcidev)->subsysVendor)
73#define PCI_SUB_DEVICE_ID(_pcidev) ((_pcidev)->subsysCard)
74
75#define PCI_DEV_TAG(_pcidev) pciTag((_pcidev)->bus,    \
76                                    (_pcidev)->device, \
77                                    (_pcidev)->func)
78#define PCI_DEV_BUS(_pcidev)       ((_pcidev)->bus)
79#define PCI_DEV_DEV(_pcidev)       ((_pcidev)->device)
80#define PCI_DEV_FUNC(_pcidev)      ((_pcidev)->func)
81
82/* pciConfigPtr */
83#define PCI_CFG_TAG(_pcidev)  (((pciConfigPtr)(_pcidev)->thisCard)->tag)
84#define PCI_CFG_BUS(_pcidev)  (((pciConfigPtr)(_pcidev)->thisCard)->busnum)
85#define PCI_CFG_DEV(_pcidev)  (((pciConfigPtr)(_pcidev)->thisCard)->devnum)
86#define PCI_CFG_FUNC(_pcidev) (((pciConfigPtr)(_pcidev)->thisCard)->funcnum)
87
88/* region addr: xfree86 uses different fields for memory regions and I/O ports */
89#define PCI_REGION_BASE(_pcidev, _b, _type)             \
90    (((_type) == REGION_MEM) ? (_pcidev)->memBase[(_b)] \
91                             : (_pcidev)->ioBase[(_b)])
92
93/* region size: xfree86 uses the log2 of the region size,
94 * but with zero meaning no region, not size of one XXX */
95#define PCI_REGION_SIZE(_pcidev, _b) \
96    (((_pcidev)->size[(_b)] > 0) ? (1 << (_pcidev)->size[(_b)]) : 0)
97
98/* read/write PCI configuration space */
99#define PCI_READ_BYTE(_pcidev, _value_ptr, _offset) \
100    *(_value_ptr) = pciReadByte(PCI_CFG_TAG(_pcidev), (_offset))
101
102#define PCI_READ_LONG(_pcidev, _value_ptr, _offset) \
103    *(_value_ptr) = pciReadLong(PCI_CFG_TAG(_pcidev), (_offset))
104
105#define PCI_WRITE_LONG(_pcidev, _value, _offset) \
106    pciWriteLong(PCI_CFG_TAG(_pcidev), (_offset), (_value))
107
108#else /* XSERVER_LIBPCIACCESS */
109
110typedef struct pci_device *pciVideoPtr;
111
112#define PCI_DEV_VENDOR_ID(_pcidev) ((_pcidev)->vendor_id)
113#define PCI_DEV_DEVICE_ID(_pcidev) ((_pcidev)->device_id)
114#define PCI_DEV_REVISION(_pcidev)  ((_pcidev)->revision)
115
116#define PCI_SUB_VENDOR_ID(_pcidev) ((_pcidev)->subvendor_id)
117#define PCI_SUB_DEVICE_ID(_pcidev) ((_pcidev)->subdevice_id)
118
119/* pci-rework functions take a 'pci_device' parameter instead of a tag */
120#define PCI_DEV_TAG(_pcidev)        (_pcidev)
121
122/* PCI_DEV macros, typically used in printf's, add domain ? XXX */
123#define PCI_DEV_BUS(_pcidev)       ((_pcidev)->bus)
124#define PCI_DEV_DEV(_pcidev)       ((_pcidev)->dev)
125#define PCI_DEV_FUNC(_pcidev)      ((_pcidev)->func)
126
127/* pci-rework functions take a 'pci_device' parameter instead of a tag */
128#define PCI_CFG_TAG(_pcidev)        (_pcidev)
129
130/* PCI_CFG macros, typically used in DRI init, contain the domain */
131#define PCI_CFG_BUS(_pcidev)      (((_pcidev)->domain << 8) | \
132                                    (_pcidev)->bus)
133#define PCI_CFG_DEV(_pcidev)       ((_pcidev)->dev)
134#define PCI_CFG_FUNC(_pcidev)      ((_pcidev)->func)
135
136#define PCI_REGION_BASE(_pcidev, _b, _type) ((_pcidev)->regions[(_b)].base_addr)
137#define PCI_REGION_SIZE(_pcidev, _b)        ((_pcidev)->regions[(_b)].size)
138
139#define PCI_READ_BYTE(_pcidev, _value_ptr, _offset) \
140    pci_device_cfg_read_u8((_pcidev), (_value_ptr), (_offset))
141
142#define PCI_READ_LONG(_pcidev, _value_ptr, _offset) \
143    pci_device_cfg_read_u32((_pcidev), (_value_ptr), (_offset))
144
145#define PCI_WRITE_LONG(_pcidev, _value, _offset) \
146    pci_device_cfg_write_u32((_pcidev), (_value), (_offset))
147
148#define ATI_DEVICE_MATCH(d, i) \
149    { PCI_VENDOR_ATI, (d), PCI_MATCH_ANY, PCI_MATCH_ANY, 0, 0, (i) }
150
151#endif /* XSERVER_LIBPCIACCESS */
152
153#endif /* ATIPCIRENAME_H */
154