| Jonathan Corbet | f045f77 | 2009-12-01 20:29:39 -0700 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1998-2009 VIA Technologies, Inc. All Rights Reserved. |
| 3 | * Copyright 2001-2008 S3 Graphics, Inc. All Rights Reserved. |
| 4 | * Copyright 2009 Jonathan Corbet <corbet@lwn.net> |
| 5 | */ |
| 6 | |
| 7 | /* |
| 8 | * Core code for the Via multifunction framebuffer device. |
| 9 | */ |
| 10 | #include <linux/module.h> |
| 11 | #include <linux/platform_device.h> |
| 12 | #include "global.h" /* Includes everything under the sun */ |
| 13 | |
| 14 | /* |
| 15 | * The default port config. |
| 16 | */ |
| 17 | static struct via_port_cfg adap_configs[] = { |
| 18 | [VIA_PORT_26] = { VIA_PORT_I2C, VIA_MODE_OFF, VIASR, 0x26 }, |
| 19 | [VIA_PORT_31] = { VIA_PORT_I2C, VIA_MODE_I2C, VIASR, 0x31 }, |
| 20 | [VIA_PORT_25] = { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x25 }, |
| 21 | [VIA_PORT_2C] = { VIA_PORT_GPIO, VIA_MODE_I2C, VIASR, 0x2c }, |
| 22 | [VIA_PORT_3D] = { VIA_PORT_GPIO, VIA_MODE_GPIO, VIASR, 0x3d }, |
| 23 | { 0, 0, 0, 0 } |
| 24 | }; |
| 25 | |
| 26 | |
| 27 | static int __devinit via_pci_probe(struct pci_dev *pdev, |
| 28 | const struct pci_device_id *ent) |
| 29 | { |
| 30 | int ret; |
| 31 | |
| 32 | ret = pci_enable_device(pdev); |
| 33 | if (ret) |
| 34 | return ret; |
| 35 | /* |
| 36 | * Create the I2C busses. Bailing out on failure seems extreme, |
| 37 | * but that's what the code did before. |
| 38 | */ |
| 39 | ret = viafb_create_i2c_busses(adap_configs); |
| 40 | if (ret) |
| 41 | goto out_disable; |
| 42 | /* |
| 43 | * Set up the framebuffer. |
| 44 | */ |
| 45 | ret = via_fb_pci_probe(pdev, ent); |
| 46 | if (ret) |
| 47 | goto out_i2c; |
| 48 | return 0; |
| 49 | |
| 50 | out_i2c: |
| 51 | viafb_delete_i2c_busses(); |
| 52 | out_disable: |
| 53 | pci_disable_device(pdev); |
| 54 | return ret; |
| 55 | } |
| 56 | |
| 57 | static void __devexit via_pci_remove(struct pci_dev *pdev) |
| 58 | { |
| 59 | viafb_delete_i2c_busses(); |
| 60 | via_fb_pci_remove(pdev); |
| 61 | pci_disable_device(pdev); |
| 62 | } |
| 63 | |
| 64 | |
| 65 | static struct pci_device_id via_pci_table[] __devinitdata = { |
| 66 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CLE266_DID), |
| 67 | .driver_data = UNICHROME_CLE266 }, |
| 68 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_PM800_DID), |
| 69 | .driver_data = UNICHROME_PM800 }, |
| 70 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K400_DID), |
| 71 | .driver_data = UNICHROME_K400 }, |
| 72 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K800_DID), |
| 73 | .driver_data = UNICHROME_K800 }, |
| 74 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M890_DID), |
| 75 | .driver_data = UNICHROME_CN700 }, |
| 76 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_K8M890_DID), |
| 77 | .driver_data = UNICHROME_K8M890 }, |
| 78 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CX700_DID), |
| 79 | .driver_data = UNICHROME_CX700 }, |
| 80 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_P4M900_DID), |
| 81 | .driver_data = UNICHROME_P4M900 }, |
| 82 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_CN750_DID), |
| 83 | .driver_data = UNICHROME_CN750 }, |
| 84 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX800_DID), |
| 85 | .driver_data = UNICHROME_VX800 }, |
| 86 | { PCI_DEVICE(PCI_VENDOR_ID_VIA, UNICHROME_VX855_DID), |
| 87 | .driver_data = UNICHROME_VX855 }, |
| 88 | { } |
| 89 | }; |
| 90 | MODULE_DEVICE_TABLE(pci, via_pci_table); |
| 91 | |
| 92 | static struct pci_driver via_driver = { |
| 93 | .name = "viafb", |
| 94 | .id_table = via_pci_table, |
| 95 | .probe = via_pci_probe, |
| 96 | .remove = __devexit_p(via_pci_remove), |
| 97 | }; |
| 98 | |
| 99 | static int __init via_core_init(void) |
| 100 | { |
| 101 | int ret; |
| 102 | |
| 103 | ret = viafb_init(); |
| 104 | if (ret) |
| 105 | return ret; |
| 106 | return pci_register_driver(&via_driver); |
| 107 | } |
| 108 | |
| 109 | static void __exit via_core_exit(void) |
| 110 | { |
| 111 | pci_unregister_driver(&via_driver); |
| 112 | viafb_exit(); |
| 113 | } |
| 114 | |
| 115 | module_init(via_core_init); |
| 116 | module_exit(via_core_exit); |