1 /* radeon_drv.c -- ATI Radeon driver -*- linux-c -*- 2 * Created: Wed Feb 14 17:10:04 2001 by gareth (at) valinux.com 3 */ 4 /*- 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 * Gareth Hughes <gareth (at) valinux.com> 29 * 30 */ 31 32 #include "drmP.h" 33 #include "drm.h" 34 #include "radeon_drm.h" 35 #include "radeon_drv.h" 36 #include "drm_pciids.h" 37 38 int radeon_no_wb; 39 40 /* drv_PCI_IDs comes from drm_pciids.h, generated from drm_pciids.txt. */ 41 static drm_pci_id_list_t radeon_pciidlist[] = { 42 radeon_PCI_IDS 43 }; 44 45 static void radeon_configure(struct drm_device *dev) 46 { 47 dev->driver->driver_features = 48 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | 49 DRIVER_SG | DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ; 50 51 dev->driver->buf_priv_size = sizeof(drm_radeon_buf_priv_t); 52 dev->driver->load = radeon_driver_load; 53 dev->driver->unload = radeon_driver_unload; 54 dev->driver->firstopen = radeon_driver_firstopen; 55 dev->driver->open = radeon_driver_open; 56 dev->driver->preclose = radeon_driver_preclose; 57 dev->driver->postclose = radeon_driver_postclose; 58 dev->driver->lastclose = radeon_driver_lastclose; 59 dev->driver->get_vblank_counter = radeon_get_vblank_counter; 60 dev->driver->enable_vblank = radeon_enable_vblank; 61 dev->driver->disable_vblank = radeon_disable_vblank; 62 dev->driver->irq_preinstall = radeon_driver_irq_preinstall; 63 dev->driver->irq_postinstall = radeon_driver_irq_postinstall; 64 dev->driver->irq_uninstall = radeon_driver_irq_uninstall; 65 dev->driver->irq_handler = radeon_driver_irq_handler; 66 dev->driver->dma_ioctl = radeon_cp_buffers; 67 68 dev->driver->ioctls = radeon_ioctls; 69 dev->driver->max_ioctl = radeon_max_ioctl; 70 71 dev->driver->name = DRIVER_NAME; 72 dev->driver->desc = DRIVER_DESC; 73 dev->driver->date = DRIVER_DATE; 74 dev->driver->major = DRIVER_MAJOR; 75 dev->driver->minor = DRIVER_MINOR; 76 dev->driver->patchlevel = DRIVER_PATCHLEVEL; 77 } 78 79 #if defined(__FreeBSD__) 80 static int 81 radeon_probe(device_t kdev) 82 { 83 return drm_probe(kdev, radeon_pciidlist); 84 } 85 86 static int 87 radeon_attach(device_t kdev) 88 { 89 struct drm_device *dev = device_get_softc(kdev); 90 91 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER, 92 M_WAITOK | M_ZERO); 93 94 radeon_configure(dev); 95 96 return drm_attach(kdev, radeon_pciidlist); 97 } 98 99 static int 100 radeon_detach(device_t kdev) 101 { 102 struct drm_device *dev = device_get_softc(kdev); 103 int ret; 104 105 ret = drm_detach(kdev); 106 107 free(dev->driver, DRM_MEM_DRIVER); 108 109 return ret; 110 } 111 112 static device_method_t radeon_methods[] = { 113 /* Device interface */ 114 DEVMETHOD(device_probe, radeon_probe), 115 DEVMETHOD(device_attach, radeon_attach), 116 DEVMETHOD(device_detach, radeon_detach), 117 118 { 0, 0 } 119 }; 120 121 static driver_t radeon_driver = { 122 "drm", 123 radeon_methods, 124 sizeof(struct drm_device) 125 }; 126 127 extern devclass_t drm_devclass; 128 #if __FreeBSD_version >= 700010 129 DRIVER_MODULE(radeon, vgapci, radeon_driver, drm_devclass, 0, 0); 130 #else 131 DRIVER_MODULE(radeon, pci, radeon_driver, drm_devclass, 0, 0); 132 #endif 133 MODULE_DEPEND(radeon, drm, 1, 1, 1); 134 135 #elif defined(__NetBSD__) 136 137 static bool 138 radeondrm_suspend(device_t self, const pmf_qual_t *qual) 139 { 140 struct drm_device *dev = device_private(self); 141 drm_radeon_cp_stop_t stop_args; 142 bool rv = true; 143 144 stop_args.flush = stop_args.idle = 0; 145 DRM_LOCK(); 146 if (drm_find_file_by_proc(dev, curlwp->l_proc) && 147 radeon_cp_stop(dev, &stop_args, dev->lock.file_priv) != 0) 148 rv = false; 149 DRM_UNLOCK(); 150 151 return rv; 152 } 153 154 static bool 155 radeondrm_resume(device_t self, const pmf_qual_t *qual) 156 { 157 struct drm_device *dev = device_private(self); 158 bool rv = true; 159 160 DRM_LOCK(); 161 if (drm_find_file_by_proc(dev, curlwp->l_proc) && 162 radeon_cp_resume(dev, NULL, NULL) != 0) 163 rv = false; 164 DRM_UNLOCK(); 165 166 return rv; 167 } 168 169 static int 170 radeondrm_probe(device_t parent, cfdata_t match, void *aux) 171 { 172 struct pci_attach_args *pa = aux; 173 return drm_probe(pa, radeon_pciidlist); 174 } 175 176 static void 177 radeondrm_attach(device_t parent, device_t self, void *aux) 178 { 179 struct pci_attach_args *pa = aux; 180 struct drm_device *dev = device_private(self); 181 182 dev->driver = malloc(sizeof(struct drm_driver_info), DRM_MEM_DRIVER, 183 M_WAITOK | M_ZERO); 184 185 radeon_configure(dev); 186 187 if (!pmf_device_register(self, radeondrm_suspend, radeondrm_resume)) 188 aprint_error_dev(self, "couldn't establish power handler\n"); 189 190 drm_attach(self, pa, radeon_pciidlist); 191 } 192 193 static int 194 radeondrm_detach(device_t self, int flags) 195 { 196 pmf_device_deregister(self); 197 198 return drm_detach(self, flags); 199 } 200 201 CFATTACH_DECL_NEW(radeondrm, sizeof(struct drm_device), 202 radeondrm_probe, radeondrm_attach, radeondrm_detach, NULL); 203 204 MODULE(MODULE_CLASS_DRIVER, radeondrm, "drm,ati_pcigart"); 205 206 #ifdef _MODULE 207 #include "ioconf.c" 208 #endif 209 210 static int 211 radeondrm_modcmd(modcmd_t cmd, void *arg) 212 { 213 int error = 0; 214 215 switch (cmd) { 216 case MODULE_CMD_INIT: 217 #ifdef _MODULE 218 error = config_init_component(cfdriver_ioconf_radeondrm, 219 cfattach_ioconf_radeondrm, cfdata_ioconf_radeondrm); 220 #endif 221 break; 222 case MODULE_CMD_FINI: 223 #ifdef _MODULE 224 error = config_fini_component(cfdriver_ioconf_radeondrm, 225 cfattach_ioconf_radeondrm, cfdata_ioconf_radeondrm); 226 #endif 227 break; 228 default: 229 return ENOTTY; 230 } 231 232 return error; 233 } 234 235 #include <dev/firmload.h> 236 237 int radeon_load_a_microcode(const char *fmt, const char *chip_name, void **codep, size_t *sizep) 238 { 239 firmware_handle_t fh; 240 char fw_name[30]; 241 int error; 242 243 snprintf(fw_name, sizeof(fw_name), fmt, chip_name); 244 if ((error = firmware_open("radeon", fw_name, &fh)) != 0) { 245 DRM_ERROR("Cannot open radeon/%s firmware: %d\n", fw_name, error); 246 return error; 247 } 248 *sizep = firmware_get_size(fh); 249 if ((*codep = firmware_malloc(*sizep)) == NULL) { 250 DRM_ERROR("Cannot alloc memory for radeon/%s firmware\n", chip_name); 251 firmware_close(fh); 252 return ENOMEM; 253 } 254 if ((error = firmware_read(fh, 0, *codep, *sizep)) != 0) { 255 DRM_ERROR("Cannot read radeon/%s firmware: %d\n", chip_name, error); 256 firmware_free(*codep, *sizep); 257 } 258 firmware_close(fh); 259 260 return error; 261 } 262 263 void radeon_free_a_microcode(void *code, size_t size) 264 { 265 firmware_free(code, size); 266 } 267 268 #endif 269
Indexes created Sat Sep 20 22:09:52 GMT 2025