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37743f0433
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Signed-off-by: Alan Coopersmith <alan.coopersmith@oracle.com>
Part-of: <https://gitlab.freedesktop.org/xorg/driver/xf86-video-sis/-/merge_requests/42>
149 lines
5.4 KiB
C
149 lines
5.4 KiB
C
/*
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* Copyright 2007 George Sapountzis
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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/**
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* Macros for porting drivers from legacy xfree86 PCI code to the pciaccess
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* library. The main purpose being to facilitate source code compatibility.
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*/
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#ifndef SISPCIRENAME_H
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#define SISPCIRENAME_H
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#include <stdint.h>
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enum region_type {
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REGION_MEM,
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REGION_IO
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};
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#include "xf86Module.h"
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#if (defined(__alpha__) || defined(__ia64__)) && defined (linux)
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#define PCI_DOM_MASK 0x01fful
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#else
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#define PCI_DOM_MASK 0x0ffu
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#endif
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#ifndef PCI_DOM_MASK
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# define PCI_DOM_MASK 0x0ffu
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#endif
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#define PCI_DOMBUS_MASK (((PCI_DOM_MASK) << 8) | 0x0ffu)
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static inline uint32_t
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pciTag(int busnum, int devnum, int funcnum)
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{
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uint32_t tag;
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tag = (busnum & (PCI_DOMBUS_MASK)) << 16;
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tag |= (devnum & 0x00001fu) << 11;
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tag |= (funcnum & 0x000007u) << 8;
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return tag;
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}
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#ifndef XSERVER_LIBPCIACCESS
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/* pciVideoPtr */
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#define PCI_DEV_VENDOR_ID(_pcidev) ((_pcidev)->vendor)
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#define PCI_DEV_DEVICE_ID(_pcidev) ((_pcidev)->chipType)
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#define PCI_DEV_REVISION(_pcidev) ((_pcidev)->chipRev)
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#define PCI_SUB_VENDOR_ID(_pcidev) ((_pcidev)->subsysVendor)
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#define PCI_SUB_DEVICE_ID(_pcidev) ((_pcidev)->subsysCard)
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#define PCI_DEV_TAG(_pcidev) pciTag((_pcidev)->bus, \
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(_pcidev)->device, \
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(_pcidev)->func)
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#define PCI_DEV_BUS(_pcidev) ((_pcidev)->bus)
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#define PCI_DEV_DEV(_pcidev) ((_pcidev)->device)
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#define PCI_DEV_FUNC(_pcidev) ((_pcidev)->func)
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/* pciConfigPtr */
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#define PCI_CFG_TAG(_pcidev) (((pciConfigPtr)(_pcidev)->thisCard)->tag)
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#define PCI_CFG_BUS(_pcidev) (((pciConfigPtr)(_pcidev)->thisCard)->busnum)
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#define PCI_CFG_DEV(_pcidev) (((pciConfigPtr)(_pcidev)->thisCard)->devnum)
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#define PCI_CFG_FUNC(_pcidev) (((pciConfigPtr)(_pcidev)->thisCard)->funcnum)
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/* region addr: xfree86 uses different fields for memory regions and I/O ports */
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#define PCI_REGION_BASE(_pcidev, _b, _type) \
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(((_type) == REGION_MEM) ? (_pcidev)->memBase[(_b)] \
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: (_pcidev)->ioBase[(_b)])
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/* region size: xfree86 uses the log2 of the region size,
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* but with zero meaning no region, not size of one XXX */
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#define PCI_REGION_SIZE(_pcidev, _b) \
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(((_pcidev)->size[(_b)] > 0) ? (1 << (_pcidev)->size[(_b)]) : 0)
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/* read/write PCI configuration space */
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#define PCI_READ_BYTE(_pcidev, _value_ptr, _offset) \
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*(_value_ptr) = pciReadByte(PCI_CFG_TAG(_pcidev), (_offset))
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#define PCI_READ_LONG(_pcidev, _value_ptr, _offset) \
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*(_value_ptr) = pciReadLong(PCI_CFG_TAG(_pcidev), (_offset))
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#define PCI_WRITE_LONG(_pcidev, _value, _offset) \
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pciWriteLong(PCI_CFG_TAG(_pcidev), (_offset), (_value))
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#else /* XSERVER_LIBPCIACCESS */
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typedef struct pci_device *pciVideoPtr;
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#define PCI_DEV_VENDOR_ID(_pcidev) ((_pcidev)->vendor_id)
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#define PCI_DEV_DEVICE_ID(_pcidev) ((_pcidev)->device_id)
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#define PCI_DEV_REVISION(_pcidev) ((_pcidev)->revision)
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#define PCI_SUB_VENDOR_ID(_pcidev) ((_pcidev)->subvendor_id)
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#define PCI_SUB_DEVICE_ID(_pcidev) ((_pcidev)->subdevice_id)
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/* pci-rework functions take a 'pci_device' parameter instead of a tag */
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#define PCI_DEV_TAG(_pcidev) (_pcidev)
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/* PCI_DEV macros, typically used in printf's, add domain ? XXX */
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#define PCI_DEV_BUS(_pcidev) ((_pcidev)->bus)
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#define PCI_DEV_DEV(_pcidev) ((_pcidev)->dev)
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#define PCI_DEV_FUNC(_pcidev) ((_pcidev)->func)
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/* pci-rework functions take a 'pci_device' parameter instead of a tag */
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#define PCI_CFG_TAG(_pcidev) (_pcidev)
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/* PCI_CFG macros, typically used in DRI init, contain the domain */
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#define PCI_CFG_BUS(_pcidev) (((_pcidev)->domain << 8) | \
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(_pcidev)->bus)
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#define PCI_CFG_DEV(_pcidev) ((_pcidev)->dev)
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#define PCI_CFG_FUNC(_pcidev) ((_pcidev)->func)
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#define PCI_REGION_BASE(_pcidev, _b, _type) ((_pcidev)->regions[(_b)].base_addr)
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#define PCI_REGION_SIZE(_pcidev, _b) ((_pcidev)->regions[(_b)].size)
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#define PCI_READ_BYTE(_pcidev, _value_ptr, _offset) \
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pci_device_cfg_read_u8((_pcidev), (_value_ptr), (_offset))
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#define PCI_READ_LONG(_pcidev, _value_ptr, _offset) \
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pci_device_cfg_read_u32((_pcidev), (_value_ptr), (_offset))
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#define PCI_WRITE_LONG(_pcidev, _value, _offset) \
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pci_device_cfg_write_u32((_pcidev), (_value), (_offset))
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#endif /* XSERVER_LIBPCIACCESS */
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#endif /* SISPCIRENAME_H */
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