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Merge branch 'i7300_idle' into release
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,83 @@ | ||
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| #ifndef I7300_IDLE_H | ||
| #define I7300_IDLE_H | ||
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| #include <linux/pci.h> | ||
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| /* | ||
| * I/O AT controls (PCI bus 0 device 8 function 0) | ||
| * DIMM controls (PCI bus 0 device 16 function 1) | ||
| */ | ||
| #define IOAT_BUS 0 | ||
| #define IOAT_DEVFN PCI_DEVFN(8, 0) | ||
| #define MEMCTL_BUS 0 | ||
| #define MEMCTL_DEVFN PCI_DEVFN(16, 1) | ||
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| struct fbd_ioat { | ||
| unsigned int vendor; | ||
| unsigned int ioat_dev; | ||
| }; | ||
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| /* | ||
| * The i5000 chip-set has the same hooks as the i7300 | ||
| * but support is disabled by default because this driver | ||
| * has not been validated on that platform. | ||
| */ | ||
| #define SUPPORT_I5000 0 | ||
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| static const struct fbd_ioat fbd_ioat_list[] = { | ||
| {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT_CNB}, | ||
| #if SUPPORT_I5000 | ||
| {PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IOAT}, | ||
| #endif | ||
| {0, 0} | ||
| }; | ||
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| /* table of devices that work with this driver */ | ||
| static const struct pci_device_id pci_tbl[] = { | ||
| { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_FBD_CNB) }, | ||
| #if SUPPORT_I5000 | ||
| { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_5000_ERR) }, | ||
| #endif | ||
| { } /* Terminating entry */ | ||
| }; | ||
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| /* Check for known platforms with I/O-AT */ | ||
| static inline int i7300_idle_platform_probe(struct pci_dev **fbd_dev, | ||
| struct pci_dev **ioat_dev) | ||
| { | ||
| int i; | ||
| struct pci_dev *memdev, *dmadev; | ||
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| memdev = pci_get_bus_and_slot(MEMCTL_BUS, MEMCTL_DEVFN); | ||
| if (!memdev) | ||
| return -ENODEV; | ||
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| for (i = 0; pci_tbl[i].vendor != 0; i++) { | ||
| if (memdev->vendor == pci_tbl[i].vendor && | ||
| memdev->device == pci_tbl[i].device) { | ||
| break; | ||
| } | ||
| } | ||
| if (pci_tbl[i].vendor == 0) | ||
| return -ENODEV; | ||
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| dmadev = pci_get_bus_and_slot(IOAT_BUS, IOAT_DEVFN); | ||
| if (!dmadev) | ||
| return -ENODEV; | ||
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| for (i = 0; fbd_ioat_list[i].vendor != 0; i++) { | ||
| if (dmadev->vendor == fbd_ioat_list[i].vendor && | ||
| dmadev->device == fbd_ioat_list[i].ioat_dev) { | ||
| if (fbd_dev) | ||
| *fbd_dev = memdev; | ||
| if (ioat_dev) | ||
| *ioat_dev = dmadev; | ||
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| return 0; | ||
| } | ||
| } | ||
| return -ENODEV; | ||
| } | ||
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| #endif |