11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Created: Mon Dec 13 01:56:22 1999 by jhartmann@precisioninsight.com 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * All Rights Reserved. 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Permission is hereby granted, free of charge, to any person obtaining a 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * copy of this software and associated documentation files (the "Software"), 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to deal in the Software without restriction, including without limitation 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the rights to use, copy, modify, merge, publish, distribute, sublicense, 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * and/or sell copies of the Software, and to permit persons to whom the 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Software is furnished to do so, subject to the following conditions: 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * The above copyright notice and this permission notice (including the next 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * paragraph) shall be included in all copies or substantial portions of the 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Software. 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * OTHER DEALINGS IN THE SOFTWARE. 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Authors: 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Rickard E. (Rik) Faith <faith@valinux.com> 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Gareth Hughes <gareth@valinux.com> 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 32e0cd3608135b2ed8eddbe3fdf048d22e0593d836Paul Gortmaker#include <linux/module.h> 33e0cd3608135b2ed8eddbe3fdf048d22e0593d836Paul Gortmaker 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "drmP.h" 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "drm.h" 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "mga_drm.h" 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "mga_drv.h" 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "drm_pciids.h" 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 41f2b2cb790ee873b6853ec99478d68dd9cd083132Nicolas Kaiserstatic int mga_driver_device_is_agp(struct drm_device *dev); 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct pci_device_id pciidlist[] = { 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds mga_PCI_IDS 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 47e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Venstatic const struct file_operations mga_driver_fops = { 48e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .owner = THIS_MODULE, 49e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .open = drm_open, 50e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .release = drm_release, 51e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .unlocked_ioctl = drm_ioctl, 52e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .mmap = drm_mmap, 53e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .poll = drm_poll, 54e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .fasync = drm_fasync, 55e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven#ifdef CONFIG_COMPAT 56e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .compat_ioctl = mga_compat_ioctl, 57e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven#endif 58e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .llseek = noop_llseek, 59e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven}; 60e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct drm_driver driver = { 62b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie .driver_features = 637ccf800e9415daf9214eb667318e356f9a3d81fcDave Airlie DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | 640a3e67a4caac273a3bfc4ced3da364830b1ab241Jesse Barnes DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED, 65958de71b1ab01c20c1b385035235746c9227b24fTilman Sauerbeck .dev_priv_size = sizeof(drm_mga_buf_priv_t), 6622eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie .load = mga_driver_load, 6722eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie .unload = mga_driver_unload, 6822eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie .lastclose = mga_driver_lastclose, 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .dma_quiescent = mga_driver_dma_quiescent, 70cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie .device_is_agp = mga_driver_device_is_agp, 710a3e67a4caac273a3bfc4ced3da364830b1ab241Jesse Barnes .get_vblank_counter = mga_get_vblank_counter, 720a3e67a4caac273a3bfc4ced3da364830b1ab241Jesse Barnes .enable_vblank = mga_enable_vblank, 730a3e67a4caac273a3bfc4ced3da364830b1ab241Jesse Barnes .disable_vblank = mga_disable_vblank, 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irq_preinstall = mga_driver_irq_preinstall, 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irq_postinstall = mga_driver_irq_postinstall, 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irq_uninstall = mga_driver_irq_uninstall, 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irq_handler = mga_driver_irq_handler, 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .reclaim_buffers = drm_core_reclaim_buffers, 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .ioctls = mga_ioctls, 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .dma_ioctl = mga_dma_buffers, 81e08e96de986ceb2c6b683df0bd0c4ddd4f91dcfdArjan van de Ven .fops = &mga_driver_fops, 8222eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie .name = DRIVER_NAME, 8322eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie .desc = DRIVER_DESC, 8422eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie .date = DRIVER_DATE, 8522eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie .major = DRIVER_MAJOR, 8622eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie .minor = DRIVER_MINOR, 8722eae947bf76e236ba972f2f11cfd1b083b736adDave Airlie .patchlevel = DRIVER_PATCHLEVEL, 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 908410ea3b95d105a5be5db501656f44bbb91197c1Dave Airliestatic struct pci_driver mga_pci_driver = { 918410ea3b95d105a5be5db501656f44bbb91197c1Dave Airlie .name = DRIVER_NAME, 928410ea3b95d105a5be5db501656f44bbb91197c1Dave Airlie .id_table = pciidlist, 938410ea3b95d105a5be5db501656f44bbb91197c1Dave Airlie}; 948410ea3b95d105a5be5db501656f44bbb91197c1Dave Airlie 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init mga_init(void) 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds driver.num_ioctls = mga_max_ioctl; 988410ea3b95d105a5be5db501656f44bbb91197c1Dave Airlie return drm_pci_init(&driver, &mga_pci_driver); 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __exit mga_exit(void) 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1038410ea3b95d105a5be5db501656f44bbb91197c1Dave Airlie drm_pci_exit(&driver, &mga_pci_driver); 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(mga_init); 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_exit(mga_exit); 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 109b5e89ed53ed8d24f83ba1941c07382af00ed238eDave AirlieMODULE_AUTHOR(DRIVER_AUTHOR); 110b5e89ed53ed8d24f83ba1941c07382af00ed238eDave AirlieMODULE_DESCRIPTION(DRIVER_DESC); 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL and additional rights"); 112cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie 113cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie/** 114cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * Determine if the device really is AGP or not. 115cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * 116cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * In addition to the usual tests performed by \c drm_device_is_agp, this 117cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * function detects PCI G450 cards that appear to the system exactly like 118cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * AGP G450 cards. 119cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * 120cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * \param dev The device to be tested. 121cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * 122cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * \returns 123cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * If the device is a PCI G450, zero is returned. Otherwise 2 is returned. 124cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie */ 125f2b2cb790ee873b6853ec99478d68dd9cd083132Nicolas Kaiserstatic int mga_driver_device_is_agp(struct drm_device *dev) 126cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie{ 127b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie const struct pci_dev *const pdev = dev->pdev; 128cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie 129cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie /* There are PCI versions of the G450. These cards have the 130cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * same PCI ID as the AGP G450, but have an additional PCI-to-PCI 131cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * bridge chip. We detect these cards, which are not currently 132cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * supported by this driver, by looking at the device ID of the 133cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the 134cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the 135cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie * device. 136cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie */ 137b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie 138bd07ed2b4d7071716c09895e19849e8b04991656Dave Airlie if ((pdev->device == 0x0525) && pdev->bus->self 139b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie && (pdev->bus->self->vendor == 0x3388) 140b5e89ed53ed8d24f83ba1941c07382af00ed238eDave Airlie && (pdev->bus->self->device == 0x0021)) { 141cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie return 0; 142cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie } 143cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie 144cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie return 2; 145cda173806644d2af22ffd9896eed8ef99b97d356Dave Airlie} 146