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/*
* Copyright 2007 George Sapountzis
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
/**
* Macros for porting drivers from legacy xfree86 PCI code to the pciaccess
* library. The main purpose being to facilitate source code compatibility.
*/
#ifndef CIRPCIRENAME_H
#define CIRPCIRENAME_H
enum region_type {
REGION_MEM,
REGION_IO
};
#include "xf86Module.h"
#if GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 12
#if (defined(__alpha__) || defined(__ia64__)) && defined (linux)
#define PCI_DOM_MASK 0x01fful
#else
#define PCI_DOM_MASK 0x0ffu
#endif
#ifndef PCI_DOM_MASK
# define PCI_DOM_MASK 0x0ffu
#endif
#define PCI_DOMBUS_MASK (((PCI_DOM_MASK) << 8) | 0x0ffu)
static inline uint32_t
pciTag(int busnum, int devnum, int funcnum)
{
uint32_t tag;
tag = (busnum & (PCI_DOMBUS_MASK)) << 16;
tag |= (devnum & 0x00001fu) << 11;
tag |= (funcnum & 0x000007u) << 8;
return tag;
}
#endif /* GET_ABI_MAJOR(ABI_VIDEODRV_VERSION) >= 12 */
#ifndef XSERVER_LIBPCIACCESS
/* pciVideoPtr */
#define PCI_DEV_VENDOR_ID(_pcidev) ((_pcidev)->vendor)
#define PCI_DEV_DEVICE_ID(_pcidev) ((_pcidev)->chipType)
#define PCI_DEV_REVISION(_pcidev) ((_pcidev)->chipRev)
#define PCI_SUB_VENDOR_ID(_pcidev) ((_pcidev)->subsysVendor)
#define PCI_SUB_DEVICE_ID(_pcidev) ((_pcidev)->subsysCard)
#define PCI_DEV_TAG(_pcidev) pciTag((_pcidev)->bus, \
(_pcidev)->device, \
(_pcidev)->func)
#define PCI_DEV_BUS(_pcidev) ((_pcidev)->bus)
#define PCI_DEV_DEV(_pcidev) ((_pcidev)->device)
#define PCI_DEV_FUNC(_pcidev) ((_pcidev)->func)
/* pciConfigPtr */
#define PCI_CFG_TAG(_pcidev) (((pciConfigPtr)(_pcidev)->thisCard)->tag)
#define PCI_CFG_BUS(_pcidev) (((pciConfigPtr)(_pcidev)->thisCard)->busnum)
#define PCI_CFG_DEV(_pcidev) (((pciConfigPtr)(_pcidev)->thisCard)->devnum)
#define PCI_CFG_FUNC(_pcidev) (((pciConfigPtr)(_pcidev)->thisCard)->funcnum)
/* region addr: xfree86 uses different fields for memory regions and I/O ports */
#define PCI_REGION_BASE(_pcidev, _b, _type) \
(((_type) == REGION_MEM) ? (_pcidev)->memBase[(_b)] \
: (_pcidev)->ioBase[(_b)])
/* region size: xfree86 uses the log2 of the region size,
* but with zero meaning no region, not size of one XXX */
#define PCI_REGION_SIZE(_pcidev, _b) \
(((_pcidev)->size[(_b)] > 0) ? (1 << (_pcidev)->size[(_b)]) : 0)
/* read/write PCI configuration space */
#define PCI_READ_BYTE(_pcidev, _value_ptr, _offset) \
*(_value_ptr) = pciReadByte(PCI_CFG_TAG(_pcidev), (_offset))
#define PCI_READ_LONG(_pcidev, _value_ptr, _offset) \
*(_value_ptr) = pciReadLong(PCI_CFG_TAG(_pcidev), (_offset))
#define PCI_WRITE_LONG(_pcidev, _value, _offset) \
pciWriteLong(PCI_CFG_TAG(_pcidev), (_offset), (_value))
#else /* XSERVER_LIBPCIACCESS */
typedef struct pci_device *pciVideoPtr;
#define PCI_DEV_VENDOR_ID(_pcidev) ((_pcidev)->vendor_id)
#define PCI_DEV_DEVICE_ID(_pcidev) ((_pcidev)->device_id)
#define PCI_DEV_REVISION(_pcidev) ((_pcidev)->revision)
#define PCI_SUB_VENDOR_ID(_pcidev) ((_pcidev)->subvendor_id)
#define PCI_SUB_DEVICE_ID(_pcidev) ((_pcidev)->subdevice_id)
/* pci-rework functions take a 'pci_device' parameter instead of a tag */
#define PCI_DEV_TAG(_pcidev) (_pcidev)
/* PCI_DEV macros, typically used in printf's, add domain ? XXX */
#define PCI_DEV_BUS(_pcidev) ((_pcidev)->bus)
#define PCI_DEV_DEV(_pcidev) ((_pcidev)->dev)
#define PCI_DEV_FUNC(_pcidev) ((_pcidev)->func)
/* pci-rework functions take a 'pci_device' parameter instead of a tag */
#define PCI_CFG_TAG(_pcidev) (_pcidev)
/* PCI_CFG macros, typically used in DRI init, contain the domain */
#define PCI_CFG_BUS(_pcidev) (((_pcidev)->domain << 8) | \
(_pcidev)->bus)
#define PCI_CFG_DEV(_pcidev) ((_pcidev)->dev)
#define PCI_CFG_FUNC(_pcidev) ((_pcidev)->func)
#define PCI_REGION_BASE(_pcidev, _b, _type) ((_pcidev)->regions[(_b)].base_addr)
#define PCI_REGION_SIZE(_pcidev, _b) ((_pcidev)->regions[(_b)].size)
#define PCI_READ_BYTE(_pcidev, _value_ptr, _offset) \
pci_device_cfg_read_u8((_pcidev), (_value_ptr), (_offset))
#define PCI_READ_LONG(_pcidev, _value_ptr, _offset) \
pci_device_cfg_read_u32((_pcidev), (_value_ptr), (_offset))
#define PCI_WRITE_LONG(_pcidev, _value, _offset) \
pci_device_cfg_write_u32((_pcidev), (_value), (_offset))
#endif /* XSERVER_LIBPCIACCESS */
#endif /* CIRPCIRENAME_H */
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