drivers/gpu/drm/radeon/radeon_drv.c

   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
  39 int radeon_no_wb;
  40
  41 MODULE_PARM_DESC(no_wb, "Disable AGP writeback for scratch registers");
  42 module_param_named(no_wb, radeon_no_wb, int, 0444);
  43
  44 static int radeon_suspend(struct drm_device *dev, pm_message_t state)
  45 {
  46         drm_radeon_private_t *dev_priv = dev->dev_private;
  47
  48         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
  49                 return 0;
  50
  51         /* Disable *all* interrupts */
  52         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
  53                 RADEON_WRITE(R500_DxMODE_INT_MASK, 0);
  54         RADEON_WRITE(RADEON_GEN_INT_CNTL, 0);
  55         return 0;
  56 }
  57
  58 static int radeon_resume(struct drm_device *dev)
  59 {
  60         drm_radeon_private_t *dev_priv = dev->dev_private;
  61
  62         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_R600)
  63                 return 0;
  64
  65         /* Restore interrupt registers */
  66         if ((dev_priv->flags & RADEON_FAMILY_MASK) >= CHIP_RS600)
  67                 RADEON_WRITE(R500_DxMODE_INT_MASK, dev_priv->r500_disp_irq_reg);
  68         RADEON_WRITE(RADEON_GEN_INT_CNTL, dev_priv->irq_enable_reg);
  69         return 0;
  70 }
  71
  72 static struct pci_device_id pciidlist[] = {
  73         radeon_PCI_IDS
  74 };
  75
  76 static struct drm_driver driver = {
  77         .driver_features =
  78             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
  79             DRIVER_HAVE_IRQ | DRIVER_HAVE_DMA | DRIVER_IRQ_SHARED,
  80         .dev_priv_size = sizeof(drm_radeon_buf_priv_t),
  81         .load = radeon_driver_load,
  82         .firstopen = radeon_driver_firstopen,
  83         .open = radeon_driver_open,
  84         .preclose = radeon_driver_preclose,
  85         .postclose = radeon_driver_postclose,
  86         .lastclose = radeon_driver_lastclose,
  87         .unload = radeon_driver_unload,
  88         .suspend = radeon_suspend,
  89         .resume = radeon_resume,
  90         .get_vblank_counter = radeon_get_vblank_counter,
  91         .enable_vblank = radeon_enable_vblank,
  92         .disable_vblank = radeon_disable_vblank,
  93         .master_create = radeon_master_create,
  94         .master_destroy = radeon_master_destroy,
  95         .irq_preinstall = radeon_driver_irq_preinstall,
  96         .irq_postinstall = radeon_driver_irq_postinstall,
  97         .irq_uninstall = radeon_driver_irq_uninstall,
  98         .irq_handler = radeon_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         .ioctls = radeon_ioctls,
 103         .dma_ioctl = radeon_cp_buffers,
 104         .fops = {
 105                  .owner = THIS_MODULE,
 106                  .open = drm_open,
 107                  .release = drm_release,
 108                  .ioctl = drm_ioctl,
 109                  .mmap = drm_mmap,
 110                  .poll = drm_poll,
 111                  .fasync = drm_fasync,
 112 #ifdef CONFIG_COMPAT
 113                  .compat_ioctl = radeon_compat_ioctl,
 114 #endif
 115         },
 116
 117         .pci_driver = {
 118                  .name = DRIVER_NAME,
 119                  .id_table = pciidlist,
 120         },
 121
 122         .name = DRIVER_NAME,
 123         .desc = DRIVER_DESC,
 124         .date = DRIVER_DATE,
 125         .major = DRIVER_MAJOR,
 126         .minor = DRIVER_MINOR,
 127         .patchlevel = DRIVER_PATCHLEVEL,
 128 };
 129
 130 static int __init radeon_init(void)
 131 {
 132         driver.num_ioctls = radeon_max_ioctl;
 133         return drm_init(&driver);
 134 }
 135
 136 static void __exit radeon_exit(void)
 137 {
 138         drm_exit(&driver);
 139 }
 140
 141 module_init(radeon_init);
 142 module_exit(radeon_exit);
 143
 144 MODULE_AUTHOR(DRIVER_AUTHOR);
 145 MODULE_DESCRIPTION(DRIVER_DESC);
 146 MODULE_LICENSE("GPL and additional rights");