1 /* mga_drv.c -- Matrox G200/G400 driver -*- linux-c -*- 2 * Created: Mon Dec 13 01:56:22 1999 by jhartmann (at) precisioninsight.com 3 */ 4 /*- 5 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 6 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 7 * All Rights Reserved. 8 * 9 * Permission is hereby granted, free of charge, to any person obtaining a 10 * copy of this software and associated documentation files (the "Software"), 11 * to deal in the Software without restriction, including without limitation 12 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 13 * and/or sell copies of the Software, and to permit persons to whom the 14 * Software is furnished to do so, subject to the following conditions: 15 * 16 * The above copyright notice and this permission notice (including the next 17 * paragraph) shall be included in all copies or substantial portions of the 18 * Software. 19 * 20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 21 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 23 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 24 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 25 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 26 * OTHER DEALINGS IN THE SOFTWARE. 27 * 28 * Authors: 29 * Rickard E. (Rik) Faith <faith (at) valinux.com> 30 * Gareth Hughes <gareth (at) valinux.com> 31 * 32 */ 33 34 #include "drmP.h" 35 #include "drm.h" 36 #include "mga_drm.h" 37 #include "mga_drv.h" 38 #include "drm_pciids.h" 39 40 #ifdef __NetBSD__ 41 #include <dev/pci/pcivar.h> 42 #include <dev/pci/pcidevs.h> 43 #endif 44 45 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ 46 static drm_pci_id_list_t mga_pciidlist[] = { 47 mga_PCI_IDS 48 }; 49 50 #ifdef __NetBSD__ 51 static int mgadev_match(const struct pci_attach_args *pa); 52 static int 53 mgadev_match(const struct pci_attach_args *pa) 54 { 55 56 if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_HINT && 57 PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_HINT_HB1) 58 return 1; 59 return 0; 60 } 61 #endif 62 63 64 /** 65 * Determine if the device really is AGP or not. 66 * 67 * In addition to the usual tests performed by \c drm_device_is_agp, this 68 * function detects PCI G450 cards that appear to the system exactly like 69 * AGP G450 cards. 70 * 71 * \param dev The device to be tested. 72 * 73 * \returns 74 * If the device is a PCI G450, zero is returned. Otherwise non-zero is 75 * returned. 76 * 77 * \bug 78 * This function needs to be filled in! The implementation in 79 * linux-core/mga_drv.c shows what needs to be done. 80 */ 81 static int mga_driver_device_is_agp(struct drm_device * dev) 82 { 83 /* There are PCI versions of the G450. These cards have the 84 * same PCI ID as the AGP G450, but have an additional PCI-to-PCI 85 * bridge chip. We detect these cards, which are not currently 86 * supported by this driver, by looking at the device ID of the 87 * bus the "card" is on. If vendor is 0x3388 (Hint Corp) and the 88 * device is 0x0021 (HB6 Universal PCI-PCI bridge), we reject the 89 * device. 90 */ 91 #if defined(__FreeBSD__) 92 device_t bus; 93 94 #if __FreeBSD_version >= 700010 95 bus = device_get_parent(device_get_parent(dev->device)); 96 #else 97 bus = device_get_parent(dev->device); 98 #endif 99 if (pci_get_device(dev->device) == 0x0525 && 100 pci_get_vendor(bus) == 0x3388 && 101 pci_get_device(bus) == 0x0021) 102 #else 103 struct pci_attach_args pa; 104 105 if (PCI_PRODUCT(dev->pa.pa_id) == PCI_PRODUCT_MATROX_G400_AGP && 106 pci_find_device(&pa, mgadev_match)) 107 #endif 108 return DRM_IS_NOT_AGP; 109 else 110 return DRM_MIGHT_BE_AGP; 111 } 112 113 static void mga_configure(struct drm_device *dev) 114 { 115 dev->driver->driver_features = 116 DRIVER_USE_AGP | DRIVER_REQUIRE_AGP | DRIVER_USE_MTRR | 117 DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ; 118 119 dev->driver->buf_priv_size = sizeof(drm_mga_buf_priv_t); 120 dev->driver->load = mga_driver_load; 121 dev->driver->unload = mga_driver_unload; 122 dev->driver->lastclose = mga_driver_lastclose; 123 dev->driver->get_vblank_counter = mga_get_vblank_counter; 124 dev->driver->enable_vblank = mga_enable_vblank; 125 dev->driver->disable_vblank = mga_disable_vblank; 126 dev->driver->irq_preinstall = mga_driver_irq_preinstall; 127 dev->driver->irq_postinstall = mga_driver_irq_postinstall; 128 dev->driver->irq_uninstall = mga_driver_irq_uninstall; 129 dev->driver->irq_handler = mga_driver_irq_handler; 130 dev->driver->dma_ioctl = mga_dma_buffers; 131 dev->driver->dma_quiescent = mga_driver_dma_quiescent; 132 dev->driver->device_is_agp = mga_driver_device_is_agp; 133 134 dev->driver->ioctls = mga_ioctls; 135 dev->driver->max_ioctl = mga_max_ioctl; 136 137 dev->driver->name = DRIVER_NAME; 138 dev->driver->desc = DRIVER_DESC; 139 dev->driver->date = DRIVER_DATE; 140 dev->driver->major = DRIVER_MAJOR; 141 dev->driver->minor = DRIVER_MINOR; 142 dev->driver->patchlevel = DRIVER_PATCHLEVEL; 143 } 144 145 #if defined(__FreeBSD__) 146 147 static int 148 mga_probe(device_t kdev) 149 { 150 return drm_probe(kdev, mga_pciidlist); 151 } 152 153 static int 154 mga_attach(device_t kdev) 155 { 156 struct drm_device *dev = device_get_softc(kdev); 157 158 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER, 159 M_WAITOK | M_ZERO); 160 161 mga_configure(dev); 162 163 return drm_attach(kdev, mga_pciidlist); 164 } 165 166 static int 167 mga_detach(device_t kdev) 168 { 169 struct drm_device *dev = device_get_softc(kdev); 170 int ret; 171 172 ret = drm_detach(kdev); 173 174 free(dev->driver, DRM_MEM_DRIVER); 175 176 return ret; 177 } 178 179 static device_method_t mga_methods[] = { 180 /* Device interface */ 181 DEVMETHOD(device_probe, mga_probe), 182 DEVMETHOD(device_attach, mga_attach), 183 DEVMETHOD(device_detach, mga_detach), 184 185 { 0, 0 } 186 }; 187 188 static driver_t mga_driver = { 189 "drm", 190 mga_methods, 191 sizeof(struct drm_device) 192 }; 193 194 extern devclass_t drm_devclass; 195 #if __FreeBSD_version >= 700010 196 DRIVER_MODULE(mga, vgapci, mga_driver, drm_devclass, 0, 0); 197 #else 198 DRIVER_MODULE(mga, pci, mga_driver, drm_devclass, 0, 0); 199 #endif 200 MODULE_DEPEND(mga, drm, 1, 1, 1); 201 202 #elif defined(__NetBSD__) 203 204 static int 205 mgadrm_probe(device_t parent, cfdata_t match, void *aux) 206 { 207 struct pci_attach_args *pa = aux; 208 209 return drm_probe(pa, mga_pciidlist); 210 } 211 212 static void 213 mgadrm_attach(device_t parent, device_t self, void *aux) 214 { 215 struct pci_attach_args *pa = aux; 216 struct drm_device *dev = device_private(self); 217 218 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER, 219 M_WAITOK | M_ZERO); 220 221 mga_configure(dev); 222 223 drm_attach(self, pa, mga_pciidlist); 224 } 225 226 CFATTACH_DECL_NEW(mgadrm, sizeof(struct drm_device), 227 mgadrm_probe, mgadrm_attach, drm_detach, NULL); 228 229 MODULE(MODULE_CLASS_DRIVER, mgadrm, "drm"); 230 231 #ifdef _MODULE 232 #include "ioconf.c" 233 #endif 234 235 static int 236 mgadrm_modcmd(modcmd_t cmd, void *arg) 237 { 238 int error = 0; 239 240 switch (cmd) { 241 case MODULE_CMD_INIT: 242 #ifdef _MODULE 243 error = config_init_component(cfdriver_ioconf_mgadrm, 244 cfattach_ioconf_mgadrm, cfdata_ioconf_mgadrm); 245 #endif 246 break; 247 case MODULE_CMD_FINI: 248 #ifdef _MODULE 249 error = config_fini_component(cfdriver_ioconf_mgadrm, 250 cfattach_ioconf_mgadrm, cfdata_ioconf_mgadrm); 251 #endif 252 break; 253 default: 254 return ENOTTY; 255 } 256 257 return error; 258 } 259 260 #endif 261
Indexes created Sat Sep 20 22:09:52 GMT 2025