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Diffstat (limited to 'src/trident_pci_rename.h')
| -rw-r--r-- | src/trident_pci_rename.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/src/trident_pci_rename.h b/src/trident_pci_rename.h new file mode 100644 index 0000000..991273b --- /dev/null +++ b/src/trident_pci_rename.h @@ -0,0 +1,122 @@ +/* + * 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 TRIDENT_PCI_RENAME_H +#define TRIDENT_PCI_RENAME_H + +enum region_type { + REGION_MEM, + REGION_IO +}; + +#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 /* TRIDENT_PCI_RENAME_H */ |