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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 2325 | Serge | 1 | /* |
| 2 | * Intel AGPGART routines. |
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| 3 | */ |
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| 4 | |||
| 5 | #include |
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| 6 | #include |
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| 7 | #include |
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| 8 | #include |
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| 9 | #include |
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| 10 | |||
| 11 | //#include |
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| 12 | //#include |
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| 13 | #include |
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| 14 | |||
| 15 | #include "agp.h" |
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| 16 | #include "intel-agp.h" |
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| 17 | |||
| 18 | #include |
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| 19 | |||
| 20 | #define __devinit |
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| 21 | #define PCI_VENDOR_ID_INTEL 0x8086 |
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| 2340 | Serge | 22 | #define PCI_DEVICE_ID_INTEL_82915G_HB 0x2580 |
| 23 | #define PCI_DEVICE_ID_INTEL_82915GM_HB 0x2590 |
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| 24 | #define PCI_DEVICE_ID_INTEL_82945G_HB 0x2770 |
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| 25 | #define PCI_DEVICE_ID_INTEL_82945GM_HB 0x27A0 |
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| 2325 | Serge | 26 | |
| 27 | |||
| 28 | int intel_gmch_probe(struct pci_dev *pdev, |
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| 29 | struct agp_bridge_data *bridge); |
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| 30 | |||
| 31 | int intel_agp_enabled; |
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| 32 | |||
| 33 | struct agp_bridge_data *agp_alloc_bridge(void) |
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| 34 | { |
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| 35 | struct agp_bridge_data *bridge; |
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| 36 | |||
| 37 | bridge = kzalloc(sizeof(*bridge), GFP_KERNEL); |
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| 38 | if (!bridge) |
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| 39 | return NULL; |
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| 40 | |||
| 41 | atomic_set(&bridge->agp_in_use, 0); |
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| 42 | atomic_set(&bridge->current_memory_agp, 0); |
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| 43 | |||
| 44 | // if (list_empty(&agp_bridges)) |
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| 45 | // agp_bridge = bridge; |
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| 46 | |||
| 47 | return bridge; |
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| 48 | } |
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| 49 | |||
| 50 | static int __devinit agp_intel_probe(struct pci_dev *pdev, |
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| 51 | const struct pci_device_id *ent) |
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| 52 | { |
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| 53 | struct agp_bridge_data *bridge; |
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| 54 | u8 cap_ptr = 0; |
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| 55 | int err = -ENODEV; |
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| 56 | |||
| 57 | cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); |
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| 58 | |||
| 59 | bridge = agp_alloc_bridge(); |
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| 60 | if (!bridge) |
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| 61 | return -ENOMEM; |
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| 62 | |||
| 63 | bridge->capndx = cap_ptr; |
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| 64 | |||
| 65 | if (intel_gmch_probe(pdev, bridge)) |
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| 66 | { |
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| 67 | // pci_set_drvdata(pdev, bridge); |
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| 68 | // err = agp_add_bridge(bridge); |
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| 69 | // if (!err) |
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| 70 | intel_agp_enabled = 1; |
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| 71 | err = 0; |
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| 72 | } |
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| 73 | |||
| 74 | return err; |
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| 75 | } |
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| 76 | |||
| 77 | static struct pci_device_id agp_intel_pci_table[] = { |
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| 78 | #define ID(x) \ |
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| 79 | { \ |
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| 80 | .class = (PCI_CLASS_BRIDGE_HOST << 8), \ |
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| 81 | .class_mask = ~0, \ |
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| 82 | .vendor = PCI_VENDOR_ID_INTEL, \ |
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| 83 | .device = x, \ |
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| 84 | .subvendor = PCI_ANY_ID, \ |
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| 85 | .subdevice = PCI_ANY_ID, \ |
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| 86 | } |
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| 2340 | Serge | 87 | ID(PCI_DEVICE_ID_INTEL_E7221_HB), |
| 88 | ID(PCI_DEVICE_ID_INTEL_82915G_HB), |
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| 89 | ID(PCI_DEVICE_ID_INTEL_82915GM_HB), |
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| 90 | ID(PCI_DEVICE_ID_INTEL_82945G_HB), |
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| 91 | ID(PCI_DEVICE_ID_INTEL_82945GM_HB), |
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| 92 | ID(PCI_DEVICE_ID_INTEL_82945GME_HB), |
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| 93 | ID(PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB), |
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| 94 | ID(PCI_DEVICE_ID_INTEL_PINEVIEW_HB), |
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| 95 | ID(PCI_DEVICE_ID_INTEL_82946GZ_HB), |
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| 96 | ID(PCI_DEVICE_ID_INTEL_82G35_HB), |
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| 97 | ID(PCI_DEVICE_ID_INTEL_82965Q_HB), |
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| 98 | ID(PCI_DEVICE_ID_INTEL_82965G_HB), |
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| 99 | ID(PCI_DEVICE_ID_INTEL_82965GM_HB), |
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| 100 | ID(PCI_DEVICE_ID_INTEL_82965GME_HB), |
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| 101 | ID(PCI_DEVICE_ID_INTEL_G33_HB), |
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| 102 | ID(PCI_DEVICE_ID_INTEL_Q35_HB), |
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| 103 | ID(PCI_DEVICE_ID_INTEL_Q33_HB), |
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| 104 | ID(PCI_DEVICE_ID_INTEL_GM45_HB), |
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| 105 | ID(PCI_DEVICE_ID_INTEL_EAGLELAKE_HB), |
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| 106 | ID(PCI_DEVICE_ID_INTEL_Q45_HB), |
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| 107 | ID(PCI_DEVICE_ID_INTEL_G45_HB), |
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| 108 | ID(PCI_DEVICE_ID_INTEL_G41_HB), |
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| 109 | ID(PCI_DEVICE_ID_INTEL_B43_HB), |
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| 110 | ID(PCI_DEVICE_ID_INTEL_B43_1_HB), |
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| 111 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB), |
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| 3031 | serge | 112 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D2_HB), |
| 2340 | Serge | 113 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB), |
| 114 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB), |
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| 115 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB), |
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| 2325 | Serge | 116 | { } |
| 117 | }; |
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| 118 | |||
| 119 | static pci_dev_t agp_device; |
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| 120 | |||
| 121 | int init_agp(void) |
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| 122 | { |
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| 123 | const struct pci_device_id *ent; |
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| 124 | |||
| 125 | ent = find_pci_device(&agp_device, agp_intel_pci_table); |
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| 126 | |||
| 127 | if( unlikely(ent == NULL) ) |
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| 128 | { |
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| 129 | dbgprintf("host controller not found\n"); |
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| 130 | return -ENODEV; |
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| 131 | }; |
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| 132 | |||
| 133 | return agp_intel_probe(&agp_device.pci_dev, ent); |
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| 134 | } |
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| 135 |