Rev 5354 | Details | Compare with Previous | Last modification | View Log | RSS feed
| 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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| 5354 | serge | 7 | #include |
| 2325 | Serge | 8 | #include |
| 5354 | serge | 9 | #include |
| 6660 | serge | 10 | #include |
| 5354 | serge | 11 | #include |
| 12 | #include |
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| 13 | #include "agp.h" |
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| 14 | #include "intel-agp.h" |
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| 15 | #include |
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| 2325 | Serge | 16 | |
| 17 | #include |
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| 18 | |||
| 19 | |||
| 5354 | serge | 20 | |
| 2325 | Serge | 21 | #include |
| 22 | |||
| 23 | #define __devinit |
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| 24 | #define PCI_VENDOR_ID_INTEL 0x8086 |
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| 2340 | Serge | 25 | #define PCI_DEVICE_ID_INTEL_82915G_HB 0x2580 |
| 26 | #define PCI_DEVICE_ID_INTEL_82915GM_HB 0x2590 |
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| 27 | #define PCI_DEVICE_ID_INTEL_82945G_HB 0x2770 |
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| 28 | #define PCI_DEVICE_ID_INTEL_82945GM_HB 0x27A0 |
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| 2325 | Serge | 29 | |
| 30 | |||
| 4104 | Serge | 31 | int intel_gmch_probe(struct pci_dev *bridge_pdev, struct pci_dev *gpu_pdev, |
| 2325 | Serge | 32 | struct agp_bridge_data *bridge); |
| 33 | |||
| 34 | int intel_agp_enabled; |
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| 35 | |||
| 36 | struct agp_bridge_data *agp_alloc_bridge(void) |
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| 37 | { |
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| 38 | struct agp_bridge_data *bridge; |
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| 39 | |||
| 40 | bridge = kzalloc(sizeof(*bridge), GFP_KERNEL); |
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| 41 | if (!bridge) |
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| 42 | return NULL; |
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| 43 | |||
| 44 | atomic_set(&bridge->agp_in_use, 0); |
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| 45 | atomic_set(&bridge->current_memory_agp, 0); |
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| 46 | |||
| 47 | // if (list_empty(&agp_bridges)) |
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| 48 | // agp_bridge = bridge; |
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| 49 | |||
| 50 | return bridge; |
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| 51 | } |
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| 52 | |||
| 53 | static int __devinit agp_intel_probe(struct pci_dev *pdev, |
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| 54 | const struct pci_device_id *ent) |
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| 55 | { |
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| 56 | struct agp_bridge_data *bridge; |
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| 57 | u8 cap_ptr = 0; |
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| 58 | int err = -ENODEV; |
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| 59 | |||
| 60 | cap_ptr = pci_find_capability(pdev, PCI_CAP_ID_AGP); |
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| 61 | |||
| 62 | bridge = agp_alloc_bridge(); |
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| 63 | if (!bridge) |
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| 64 | return -ENOMEM; |
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| 65 | |||
| 66 | bridge->capndx = cap_ptr; |
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| 67 | |||
| 4104 | Serge | 68 | if (intel_gmch_probe(pdev, NULL, bridge)) |
| 69 | |||
| 2325 | Serge | 70 | { |
| 71 | // pci_set_drvdata(pdev, bridge); |
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| 72 | // err = agp_add_bridge(bridge); |
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| 73 | // if (!err) |
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| 74 | intel_agp_enabled = 1; |
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| 75 | err = 0; |
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| 76 | } |
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| 77 | |||
| 78 | return err; |
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| 79 | } |
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| 80 | |||
| 81 | static struct pci_device_id agp_intel_pci_table[] = { |
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| 82 | #define ID(x) \ |
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| 83 | { \ |
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| 84 | .class = (PCI_CLASS_BRIDGE_HOST << 8), \ |
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| 85 | .class_mask = ~0, \ |
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| 86 | .vendor = PCI_VENDOR_ID_INTEL, \ |
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| 87 | .device = x, \ |
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| 88 | .subvendor = PCI_ANY_ID, \ |
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| 89 | .subdevice = PCI_ANY_ID, \ |
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| 90 | } |
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| 2340 | Serge | 91 | ID(PCI_DEVICE_ID_INTEL_E7221_HB), |
| 92 | ID(PCI_DEVICE_ID_INTEL_82915G_HB), |
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| 93 | ID(PCI_DEVICE_ID_INTEL_82915GM_HB), |
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| 94 | ID(PCI_DEVICE_ID_INTEL_82945G_HB), |
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| 95 | ID(PCI_DEVICE_ID_INTEL_82945GM_HB), |
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| 96 | ID(PCI_DEVICE_ID_INTEL_82945GME_HB), |
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| 97 | ID(PCI_DEVICE_ID_INTEL_PINEVIEW_M_HB), |
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| 98 | ID(PCI_DEVICE_ID_INTEL_PINEVIEW_HB), |
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| 99 | ID(PCI_DEVICE_ID_INTEL_82946GZ_HB), |
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| 100 | ID(PCI_DEVICE_ID_INTEL_82G35_HB), |
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| 101 | ID(PCI_DEVICE_ID_INTEL_82965Q_HB), |
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| 102 | ID(PCI_DEVICE_ID_INTEL_82965G_HB), |
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| 103 | ID(PCI_DEVICE_ID_INTEL_82965GM_HB), |
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| 104 | ID(PCI_DEVICE_ID_INTEL_82965GME_HB), |
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| 105 | ID(PCI_DEVICE_ID_INTEL_G33_HB), |
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| 106 | ID(PCI_DEVICE_ID_INTEL_Q35_HB), |
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| 107 | ID(PCI_DEVICE_ID_INTEL_Q33_HB), |
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| 108 | ID(PCI_DEVICE_ID_INTEL_GM45_HB), |
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| 109 | ID(PCI_DEVICE_ID_INTEL_EAGLELAKE_HB), |
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| 110 | ID(PCI_DEVICE_ID_INTEL_Q45_HB), |
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| 111 | ID(PCI_DEVICE_ID_INTEL_G45_HB), |
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| 112 | ID(PCI_DEVICE_ID_INTEL_G41_HB), |
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| 113 | ID(PCI_DEVICE_ID_INTEL_B43_HB), |
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| 114 | ID(PCI_DEVICE_ID_INTEL_B43_1_HB), |
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| 115 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D_HB), |
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| 3031 | serge | 116 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_D2_HB), |
| 2340 | Serge | 117 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_M_HB), |
| 118 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MA_HB), |
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| 119 | ID(PCI_DEVICE_ID_INTEL_IRONLAKE_MC2_HB), |
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| 2325 | Serge | 120 | { } |
| 121 | }; |
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| 122 | |||
| 123 | static pci_dev_t agp_device; |
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| 124 | |||
| 125 | int init_agp(void) |
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| 126 | { |
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| 127 | const struct pci_device_id *ent; |
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| 128 | |||
| 129 | ent = find_pci_device(&agp_device, agp_intel_pci_table); |
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| 130 | |||
| 131 | if( unlikely(ent == NULL) ) |
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| 132 | { |
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| 133 | dbgprintf("host controller not found\n"); |
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| 134 | return -ENODEV; |
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| 135 | }; |
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| 136 | |||
| 137 | return agp_intel_probe(&agp_device.pci_dev, ent); |
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| 138 | } |
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| 139 |