1/** 2 * \file radeon_drv.c 3 * ATI Radeon driver 4 * 5 * \author Gareth Hughes <gareth@valinux.com> 6 */ 7 8/* 9 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 10 * All Rights Reserved. 11 * 12 * Permission is hereby granted, free of charge, to any person obtaining a 13 * copy of this software and associated documentation files (the "Software"), 14 * to deal in the Software without restriction, including without limitation 15 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 16 * and/or sell copies of the Software, and to permit persons to whom the 17 * Software is furnished to do so, subject to the following conditions: 18 * 19 * The above copyright notice and this permission notice (including the next 20 * paragraph) shall be included in all copies or substantial portions of the 21 * Software. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 26 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 27 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 28 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 29 * OTHER DEALINGS IN THE SOFTWARE. 30 */ 31 32#include "drmP.h" 33#include "drm.h" 34#include "radeon_drm.h" 35#include "radeon_drv.h" 36 37#include "drm_pciids.h" 38#include <linux/console.h> 39 40 41#define KMS_DRIVER_MAJOR 2 42#define KMS_DRIVER_MINOR 6 43#define KMS_DRIVER_PATCHLEVEL 0 44int radeon_driver_load_kms(struct drm_device *dev, unsigned long flags); 45int radeon_driver_unload_kms(struct drm_device *dev); 46int radeon_driver_firstopen_kms(struct drm_device *dev); 47void radeon_driver_lastclose_kms(struct drm_device *dev); 48int radeon_driver_open_kms(struct drm_device *dev, struct drm_file *file_priv); 49void radeon_driver_postclose_kms(struct drm_device *dev, 50 struct drm_file *file_priv); 51void radeon_driver_preclose_kms(struct drm_device *dev, 52 struct drm_file *file_priv); 53int radeon_suspend_kms(struct drm_device *dev, pm_message_t state); 54int radeon_resume_kms(struct drm_device *dev); 55u32 radeon_get_vblank_counter_kms(struct drm_device *dev, int crtc); 56int radeon_enable_vblank_kms(struct drm_device *dev, int crtc); 57void radeon_disable_vblank_kms(struct drm_device *dev, int crtc); 58void radeon_driver_irq_preinstall_kms(struct drm_device *dev); 59int radeon_driver_irq_postinstall_kms(struct drm_device *dev); 60void radeon_driver_irq_uninstall_kms(struct drm_device *dev); 61irqreturn_t radeon_driver_irq_handler_kms(DRM_IRQ_ARGS); 62int radeon_dma_ioctl_kms(struct drm_device *dev, void *data, 63 struct drm_file *file_priv); 64int radeon_gem_object_init(struct drm_gem_object *obj); 65void radeon_gem_object_free(struct drm_gem_object *obj); 66extern struct drm_ioctl_desc radeon_ioctls_kms[]; 67extern int radeon_max_kms_ioctl; 68int radeon_mmap(struct file *filp, struct vm_area_struct *vma); 69#if defined(CONFIG_DEBUG_FS) 70int radeon_debugfs_init(struct drm_minor *minor); 71void radeon_debugfs_cleanup(struct drm_minor *minor); 72#endif 73 74 75int radeon_no_wb; 76int radeon_modeset = -1; 77int radeon_dynclks = -1; 78int radeon_r4xx_atom = 0; 79int radeon_agpmode = 0; 80int radeon_vram_limit = 0; 81int radeon_gart_size = 512; /* default gart size */ 82int radeon_benchmarking = 0; 83int radeon_testing = 0; 84int radeon_connector_table = 0; 85int radeon_tv = 1; 86int radeon_new_pll = -1; 87int radeon_audio = 1; 88int radeon_disp_priority = 0; 89int radeon_hw_i2c = 0; 90 91MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers"); 92module_param_named(no_wb, radeon_no_wb, int, 0444); 93 94MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); 95module_param_named(modeset, radeon_modeset, int, 0400); 96 97MODULE_PARM_DESC(dynclks, "Disable/Enable dynamic clocks"); 98module_param_named(dynclks, radeon_dynclks, int, 0444); 99 100MODULE_PARM_DESC(r4xx_atom, "Enable ATOMBIOS modesetting for R4xx"); 101module_param_named(r4xx_atom, radeon_r4xx_atom, int, 0444); 102 103MODULE_PARM_DESC(vramlimit, "Restrict VRAM for testing"); 104module_param_named(vramlimit, radeon_vram_limit, int, 0600); 105 106MODULE_PARM_DESC(agpmode, "AGP Mode (-1 == PCI)"); 107module_param_named(agpmode, radeon_agpmode, int, 0444); 108 109MODULE_PARM_DESC(gartsize, "Size of PCIE/IGP gart to setup in megabytes (32,64, etc)\n"); 110module_param_named(gartsize, radeon_gart_size, int, 0600); 111 112MODULE_PARM_DESC(benchmark, "Run benchmark"); 113module_param_named(benchmark, radeon_benchmarking, int, 0444); 114 115MODULE_PARM_DESC(test, "Run tests"); 116module_param_named(test, radeon_testing, int, 0444); 117 118MODULE_PARM_DESC(connector_table, "Force connector table"); 119module_param_named(connector_table, radeon_connector_table, int, 0444); 120 121MODULE_PARM_DESC(tv, "TV enable (0 = disable)"); 122module_param_named(tv, radeon_tv, int, 0444); 123 124MODULE_PARM_DESC(new_pll, "Select new PLL code"); 125module_param_named(new_pll, radeon_new_pll, int, 0444); 126 127MODULE_PARM_DESC(audio, "Audio enable (0 = disable)"); 128module_param_named(audio, radeon_audio, int, 0444); 129 130MODULE_PARM_DESC(disp_priority, "Display Priority (0 = auto, 1 = normal, 2 = high)"); 131module_param_named(disp_priority, radeon_disp_priority, int, 0444); 132 133MODULE_PARM_DESC(hw_i2c, "hw i2c engine enable (0 = disable)"); 134module_param_named(hw_i2c, radeon_hw_i2c, int, 0444); 135 136static int radeon_suspend(struct drm_device *dev, pm_message_t state) 137{ 138 drm_radeon_private_t *dev_priv = dev->dev_private; 139 140 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 141 return 0; 142 143 /* Disable *all* interrupts */ 144 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 145 RADEON_WRITE(R500_DxMODE_INT_MASK, 0); 146 RADEON_WRITE(RADEON_GEN_INT_CNTL, 0); 147 return 0; 148} 149 150static int radeon_resume(struct drm_device *dev) 151{ 152 drm_radeon_private_t *dev_priv = dev->dev_private; 153 154 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600) 155 return 0; 156 157 /* Restore interrupt registers */ 158 if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600) 159 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg); 160 RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg); 161 return 0; 162} 163 164static struct pci_device_id pciidlist[] = { 165 radeon_PCI_IDS 166}; 167 168#if defined(CONFIG_DRM_RADEON_KMS) 169MODULE_DEVICE_TABLE(pci, pciidlist); 170#endif 171 172static struct drm_driver driver_old = { 173 .driver_features = 174 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 175 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED, 176 .dev_priv_size = sizeof(drm_radeon_buf_priv_t), 177 .load = radeon_driver_load, 178 .firstopen = radeon_driver_firstopen, 179 .open = radeon_driver_open, 180 .preclose = radeon_driver_preclose, 181 .postclose = radeon_driver_postclose, 182 .lastclose = radeon_driver_lastclose, 183 .unload = radeon_driver_unload, 184 .suspend = radeon_suspend, 185 .resume = radeon_resume, 186 .get_vblank_counter = radeon_get_vblank_counter, 187 .enable_vblank = radeon_enable_vblank, 188 .disable_vblank = radeon_disable_vblank, 189 .master_create = radeon_master_create, 190 .master_destroy = radeon_master_destroy, 191 .irq_preinstall = radeon_driver_irq_preinstall, 192 .irq_postinstall = radeon_driver_irq_postinstall, 193 .irq_uninstall = radeon_driver_irq_uninstall, 194 .irq_handler = radeon_driver_irq_handler, 195 .reclaim_buffers = drm_core_reclaim_buffers, 196 .get_map_ofs = drm_core_get_map_ofs, 197 .get_reg_ofs = drm_core_get_reg_ofs, 198 .ioctls = radeon_ioctls, 199 .dma_ioctl = radeon_cp_buffers, 200 .fops = { 201 .owner = THIS_MODULE, 202 .open = drm_open, 203 .release = drm_release, 204 .unlocked_ioctl = drm_ioctl, 205 .mmap = drm_mmap, 206 .poll = drm_poll, 207 .fasync = drm_fasync, 208 .read = drm_read, 209#ifdef CONFIG_COMPAT 210 .compat_ioctl = radeon_compat_ioctl, 211#endif 212 }, 213 214 .pci_driver = { 215 .name = DRIVER_NAME, 216 .id_table = pciidlist, 217 }, 218 219 .name = DRIVER_NAME, 220 .desc = DRIVER_DESC, 221 .date = DRIVER_DATE, 222 .major = DRIVER_MAJOR, 223 .minor = DRIVER_MINOR, 224 .patchlevel = DRIVER_PATCHLEVEL, 225}; 226 227static struct drm_driver kms_driver; 228 229static int __devinit 230radeon_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) 231{ 232 return drm_get_pci_dev(pdev, ent, &kms_driver); 233} 234 235static void 236radeon_pci_remove(struct pci_dev *pdev) 237{ 238 struct drm_device *dev = pci_get_drvdata(pdev); 239 240 drm_put_dev(dev); 241} 242 243static int 244radeon_pci_suspend(struct pci_dev *pdev, pm_message_t state) 245{ 246 struct drm_device *dev = pci_get_drvdata(pdev); 247 return radeon_suspend_kms(dev, state); 248} 249 250static int 251radeon_pci_resume(struct pci_dev *pdev) 252{ 253 struct drm_device *dev = pci_get_drvdata(pdev); 254 return radeon_resume_kms(dev); 255} 256 257static struct drm_driver kms_driver = { 258 .driver_features = 259 DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG | 260 DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED | DRIVER_GEM, 261 .dev_priv_size = 0, 262 .load = radeon_driver_load_kms, 263 .firstopen = radeon_driver_firstopen_kms, 264 .open = radeon_driver_open_kms, 265 .preclose = radeon_driver_preclose_kms, 266 .postclose = radeon_driver_postclose_kms, 267 .lastclose = radeon_driver_lastclose_kms, 268 .unload = radeon_driver_unload_kms, 269 .suspend = radeon_suspend_kms, 270 .resume = radeon_resume_kms, 271 .get_vblank_counter = radeon_get_vblank_counter_kms, 272 .enable_vblank = radeon_enable_vblank_kms, 273 .disable_vblank = radeon_disable_vblank_kms, 274#if defined(CONFIG_DEBUG_FS) 275 .debugfs_init = radeon_debugfs_init, 276 .debugfs_cleanup = radeon_debugfs_cleanup, 277#endif 278 .irq_preinstall = radeon_driver_irq_preinstall_kms, 279 .irq_postinstall = radeon_driver_irq_postinstall_kms, 280 .irq_uninstall = radeon_driver_irq_uninstall_kms, 281 .irq_handler = radeon_driver_irq_handler_kms, 282 .reclaim_buffers = drm_core_reclaim_buffers, 283 .get_map_ofs = drm_core_get_map_ofs, 284 .get_reg_ofs = drm_core_get_reg_ofs, 285 .ioctls = radeon_ioctls_kms, 286 .gem_init_object = radeon_gem_object_init, 287 .gem_free_object = radeon_gem_object_free, 288 .dma_ioctl = radeon_dma_ioctl_kms, 289 .fops = { 290 .owner = THIS_MODULE, 291 .open = drm_open, 292 .release = drm_release, 293 .unlocked_ioctl = drm_ioctl, 294 .mmap = radeon_mmap, 295 .poll = drm_poll, 296 .fasync = drm_fasync, 297 .read = drm_read, 298#ifdef CONFIG_COMPAT 299 .compat_ioctl = radeon_kms_compat_ioctl, 300#endif 301 }, 302 303 .pci_driver = { 304 .name = DRIVER_NAME, 305 .id_table = pciidlist, 306 .probe = radeon_pci_probe, 307 .remove = radeon_pci_remove, 308 .suspend = radeon_pci_suspend, 309 .resume = radeon_pci_resume, 310 }, 311 312 .name = DRIVER_NAME, 313 .desc = DRIVER_DESC, 314 .date = DRIVER_DATE, 315 .major = KMS_DRIVER_MAJOR, 316 .minor = KMS_DRIVER_MINOR, 317 .patchlevel = KMS_DRIVER_PATCHLEVEL, 318}; 319 320static struct drm_driver *driver; 321 322static int __init radeon_init(void) 323{ 324 driver = &driver_old; 325 driver->num_ioctls = radeon_max_ioctl; 326#ifdef CONFIG_VGA_CONSOLE 327 if (vgacon_text_force() && radeon_modeset == -1) { 328 DRM_INFO("VGACON disable radeon kernel modesetting.\n"); 329 driver = &driver_old; 330 driver->driver_features &= ~DRIVER_MODESET; 331 radeon_modeset = 0; 332 } 333#endif 334 /* if enabled by default */ 335 if (radeon_modeset == -1) { 336#ifdef CONFIG_DRM_RADEON_KMS 337 DRM_INFO("radeon defaulting to kernel modesetting.\n"); 338 radeon_modeset = 1; 339#else 340 DRM_INFO("radeon defaulting to userspace modesetting.\n"); 341 radeon_modeset = 0; 342#endif 343 } 344 if (radeon_modeset == 1) { 345 DRM_INFO("radeon kernel modesetting enabled.\n"); 346 driver = &kms_driver; 347 driver->driver_features |= DRIVER_MODESET; 348 driver->num_ioctls = radeon_max_kms_ioctl; 349 radeon_register_atpx_handler(); 350 } 351 /* if the vga console setting is enabled still 352 * let modprobe override it */ 353 return drm_init(driver); 354} 355 356static void __exit radeon_exit(void) 357{ 358 drm_exit(driver); 359 radeon_unregister_atpx_handler(); 360} 361 362module_init(radeon_init); 363module_exit(radeon_exit); 364 365MODULE_AUTHOR(DRIVER_AUTHOR); 366MODULE_DESCRIPTION(DRIVER_DESC); 367MODULE_LICENSE("GPL and additional rights"); 368