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 | |
| 38 | |
| 39 | #include "drm_pciids.h" |
| 40 | |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 41 | static int mga_driver_device_is_agp(drm_device_t * dev); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | static int postinit( struct drm_device *dev, unsigned long flags ) |
| 43 | { |
Dave Airlie | d01cff4 | 2005-07-10 19:24:35 +1000 | [diff] [blame^] | 44 | drm_mga_private_t * const dev_priv = |
| 45 | (drm_mga_private_t *) dev->dev_private; |
| 46 | |
| 47 | dev_priv->mmio_base = pci_resource_start(dev->pdev, 1); |
| 48 | dev_priv->mmio_size = pci_resource_len(dev->pdev, 1); |
| 49 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | dev->counters += 3; |
| 51 | dev->types[6] = _DRM_STAT_IRQ; |
| 52 | dev->types[7] = _DRM_STAT_PRIMARY; |
| 53 | dev->types[8] = _DRM_STAT_SECONDARY; |
| 54 | |
| 55 | DRM_INFO( "Initialized %s %d.%d.%d %s on minor %d: %s\n", |
| 56 | DRIVER_NAME, |
| 57 | DRIVER_MAJOR, |
| 58 | DRIVER_MINOR, |
| 59 | DRIVER_PATCHLEVEL, |
| 60 | DRIVER_DATE, |
| 61 | dev->primary.minor, |
| 62 | pci_pretty_name(dev->pdev) |
| 63 | ); |
| 64 | return 0; |
| 65 | } |
| 66 | |
| 67 | static int version( drm_version_t *version ) |
| 68 | { |
| 69 | int len; |
| 70 | |
| 71 | version->version_major = DRIVER_MAJOR; |
| 72 | version->version_minor = DRIVER_MINOR; |
| 73 | version->version_patchlevel = DRIVER_PATCHLEVEL; |
| 74 | DRM_COPY( version->name, DRIVER_NAME ); |
| 75 | DRM_COPY( version->date, DRIVER_DATE ); |
| 76 | DRM_COPY( version->desc, DRIVER_DESC ); |
| 77 | return 0; |
| 78 | } |
| 79 | |
| 80 | static struct pci_device_id pciidlist[] = { |
| 81 | mga_PCI_IDS |
| 82 | }; |
| 83 | |
| 84 | extern drm_ioctl_desc_t mga_ioctls[]; |
| 85 | extern int mga_max_ioctl; |
| 86 | |
| 87 | static struct drm_driver driver = { |
| 88 | .driver_features = DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL, |
Dave Airlie | d01cff4 | 2005-07-10 19:24:35 +1000 | [diff] [blame^] | 89 | .preinit = mga_driver_preinit, |
| 90 | .postcleanup = mga_driver_postcleanup, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 91 | .pretakedown = mga_driver_pretakedown, |
| 92 | .dma_quiescent = mga_driver_dma_quiescent, |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 93 | .device_is_agp = mga_driver_device_is_agp, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 94 | .vblank_wait = mga_driver_vblank_wait, |
| 95 | .irq_preinstall = mga_driver_irq_preinstall, |
| 96 | .irq_postinstall = mga_driver_irq_postinstall, |
| 97 | .irq_uninstall = mga_driver_irq_uninstall, |
| 98 | .irq_handler = mga_driver_irq_handler, |
| 99 | .reclaim_buffers = drm_core_reclaim_buffers, |
| 100 | .get_map_ofs = drm_core_get_map_ofs, |
| 101 | .get_reg_ofs = drm_core_get_reg_ofs, |
| 102 | .postinit = postinit, |
| 103 | .version = version, |
| 104 | .ioctls = mga_ioctls, |
| 105 | .dma_ioctl = mga_dma_buffers, |
| 106 | .fops = { |
| 107 | .owner = THIS_MODULE, |
| 108 | .open = drm_open, |
| 109 | .release = drm_release, |
| 110 | .ioctl = drm_ioctl, |
| 111 | .mmap = drm_mmap, |
| 112 | .poll = drm_poll, |
| 113 | .fasync = drm_fasync, |
Dave Airlie | 8ca7c1d | 2005-07-07 21:51:26 +1000 | [diff] [blame] | 114 | #ifdef CONFIG_COMPAT |
| 115 | .compat_ioctl = mga_compat_ioctl, |
| 116 | #endif |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | }, |
| 118 | .pci_driver = { |
| 119 | .name = DRIVER_NAME, |
| 120 | .id_table = pciidlist, |
| 121 | } |
| 122 | }; |
| 123 | |
| 124 | static int __init mga_init(void) |
| 125 | { |
| 126 | driver.num_ioctls = mga_max_ioctl; |
| 127 | return drm_init(&driver); |
| 128 | } |
| 129 | |
| 130 | static void __exit mga_exit(void) |
| 131 | { |
| 132 | drm_exit(&driver); |
| 133 | } |
| 134 | |
| 135 | module_init(mga_init); |
| 136 | module_exit(mga_exit); |
| 137 | |
| 138 | MODULE_AUTHOR( DRIVER_AUTHOR ); |
| 139 | MODULE_DESCRIPTION( DRIVER_DESC ); |
| 140 | MODULE_LICENSE("GPL and additional rights"); |
Dave Airlie | cda1738 | 2005-07-10 17:31:26 +1000 | [diff] [blame] | 141 | |
| 142 | /** |
| 143 | * Determine if the device really is AGP or not. |
| 144 | * |
| 145 | * In addition to the usual tests performed by \c drm_device_is_agp, this |
| 146 | * function detects PCI G450 cards that appear to the system exactly like |
| 147 | * AGP G450 cards. |
| 148 | * |
| 149 | * \param dev The device to be tested. |
| 150 | * |
| 151 | * \returns |
| 152 | * If the device is a PCI G450, zero is returned. Otherwise 2 is returned. |
| 153 | */ |
| 154 | int mga_driver_device_is_agp(drm_device_t * dev) |
| 155 | { |
| 156 | const struct pci_dev * const pdev = dev->pdev; |
| 157 | |
| 158 | |
| 159 | /* There are PCI versions of the G450. These cards have the |
| 160 | * same PCI ID as the AGP G450, but have an additional PCI-to-PCI |
| 161 | * bridge chip. We detect these cards, which are not currently |
| 162 | * supported by this driver, by looking at the device ID of the |
| 163 | * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the |
| 164 | * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the |
| 165 | * device. |
| 166 | */ |
| 167 | |
| 168 | if ( (pdev->device == 0x0525) |
| 169 | && (pdev->bus->self->vendor == 0x3388) |
| 170 | && (pdev->bus->self->device == 0x0021) ) { |
| 171 | return 0; |
| 172 | } |
| 173 | |
| 174 | return 2; |
| 175 | } |