Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- |
| 2 | * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com |
| 3 | * |
| 4 | * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. |
| 5 | * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. |
| 6 | * All Rights Reserved. |
| 7 | * |
| 8 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 9 | * copy of this software and associated documentation files (the "Software"), |
| 10 | * to deal in the Software without restriction, including without limitation |
| 11 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 12 | * and/or sell copies of the Software, and to permit persons to whom the |
| 13 | * Software is furnished to do so, subject to the following conditions: |
| 14 | * |
| 15 | * The above copyright notice and this permission notice (including the next |
| 16 | * paragraph) shall be included in all copies or substantial portions of the |
| 17 | * Software. |
| 18 | * |
| 19 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 20 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 21 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 22 | * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 23 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 24 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 25 | * OTHER DEALINGS IN THE SOFTWARE. |
| 26 | * |
| 27 | * Authors: |
| 28 | * Rickard E. (Rik) Faith <faith@valinux.com> |
| 29 | * Gareth Hughes <gareth@valinux.com> |
| 30 | */ |
| 31 | |
| 32 | #include <linux/config.h> |
| 33 | #include "drmP.h" |
| 34 | #include "drm.h" |
| 35 | #include "mga_drm.h" |
| 36 | #include "mga_drv.h" |
| 37 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | #include "drm_pciids.h" |
| 39 | |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 40 | static int mga_driver_device_is_agp(drm_device_t * dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 41 | |
| 42 | static struct pci_device_id pciidlist[] = { |
| 43 | mga_PCI_IDS |
| 44 | }; |
| 45 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | static struct drm_driver driver = { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 47 | .driver_features = |
| 48 | DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | |
| 49 | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | |
| 50 | DRIVER_IRQ_VBL, |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 51 | .load = mga_driver_load, |
| 52 | .unload = mga_driver_unload, |
| 53 | .lastclose = mga_driver_lastclose, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 54 | .dma_quiescent = mga_driver_dma_quiescent, |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 55 | .device_is_agp = mga_driver_device_is_agp, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | .vblank_wait = mga_driver_vblank_wait, |
| 57 | .irq_preinstall = mga_driver_irq_preinstall, |
| 58 | .irq_postinstall = mga_driver_irq_postinstall, |
| 59 | .irq_uninstall = mga_driver_irq_uninstall, |
| 60 | .irq_handler = mga_driver_irq_handler, |
| 61 | .reclaim_buffers = drm_core_reclaim_buffers, |
| 62 | .get_map_ofs = drm_core_get_map_ofs, |
| 63 | .get_reg_ofs = drm_core_get_reg_ofs, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 64 | .ioctls = mga_ioctls, |
| 65 | .dma_ioctl = mga_dma_buffers, |
| 66 | .fops = { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 67 | .owner = THIS_MODULE, |
| 68 | .open = drm_open, |
| 69 | .release = drm_release, |
| 70 | .ioctl = drm_ioctl, |
| 71 | .mmap = drm_mmap, |
| 72 | .poll = drm_poll, |
| 73 | .fasync = drm_fasync, |
Dave Airlie | 8ca7c1d | 2005-07-07 21:51:26 +1000 | [diff] [blame] | 74 | #ifdef CONFIG_COMPAT |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 75 | .compat_ioctl = mga_compat_ioctl, |
Dave Airlie | 8ca7c1d | 2005-07-07 21:51:26 +1000 | [diff] [blame] | 76 | #endif |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 77 | }, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | .pci_driver = { |
Dave Airlie | 22eae94 | 2005-11-10 22:16:34 +1100 | [diff] [blame] | 79 | .name = DRIVER_NAME, |
| 80 | .id_table = pciidlist, |
| 81 | }, |
| 82 | |
| 83 | .name = DRIVER_NAME, |
| 84 | .desc = DRIVER_DESC, |
| 85 | .date = DRIVER_DATE, |
| 86 | .major = DRIVER_MAJOR, |
| 87 | .minor = DRIVER_MINOR, |
| 88 | .patchlevel = DRIVER_PATCHLEVEL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 89 | }; |
| 90 | |
| 91 | static int __init mga_init(void) |
| 92 | { |
| 93 | driver.num_ioctls = mga_max_ioctl; |
| 94 | return drm_init(&driver); |
| 95 | } |
| 96 | |
| 97 | static void __exit mga_exit(void) |
| 98 | { |
| 99 | drm_exit(&driver); |
| 100 | } |
| 101 | |
| 102 | module_init(mga_init); |
| 103 | module_exit(mga_exit); |
| 104 | |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 105 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 106 | MODULE_DESCRIPTION(DRIVER_DESC); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 107 | MODULE_LICENSE("GPL and additional rights"); |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 108 | |
| 109 | /** |
| 110 | * Determine if the device really is AGP or not. |
| 111 | * |
| 112 | * In addition to the usual tests performed by \c drm_device_is_agp, this |
| 113 | * function detects PCI G450 cards that appear to the system exactly like |
| 114 | * AGP G450 cards. |
| 115 | * |
| 116 | * \param dev The device to be tested. |
| 117 | * |
| 118 | * \returns |
| 119 | * If the device is a PCI G450, zero is returned. Otherwise 2 is returned. |
| 120 | */ |
Dave Airlie | b3a8363 | 2005-09-30 18:37:36 +1000 | [diff] [blame] | 121 | static int mga_driver_device_is_agp(drm_device_t * dev) |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 122 | { |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 123 | const struct pci_dev *const pdev = dev->pdev; |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 124 | |
| 125 | /* There are PCI versions of the G450. These cards have the |
| 126 | * same PCI ID as the AGP G450, but have an additional PCI-to-PCI |
| 127 | * bridge chip. We detect these cards, which are not currently |
| 128 | * supported by this driver, by looking at the device ID of the |
| 129 | * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the |
| 130 | * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the |
| 131 | * device. |
| 132 | */ |
Dave Airlie | b5e89ed | 2005-09-25 14:28:13 +1000 | [diff] [blame] | 133 | |
| 134 | if ((pdev->device == 0x0525) |
| 135 | && (pdev->bus->self->vendor == 0x3388) |
| 136 | && (pdev->bus->self->device == 0x0021)) { |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 137 | return 0; |
| 138 | } |
| 139 | |
| 140 | return 2; |
| 141 | } |