linux-core/r128_drv.c

   1 /* r128_drv.c -- ATI Rage 128 driver -*- linux-c -*-
   2  * Created: Mon Dec 13 09:47:27 1999 by faith@precisioninsight.com
   3  *
   4  * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
   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  *    Rickard E. (Rik) Faith <faith@valinux.com>
  29  *    Gareth Hughes <gareth@valinux.com>
  30  */
  31
  32 #include <linux/config.h>
  33 #include "drmP.h"
  34 #include "drm.h"
  35 #include "r128_drm.h"
  36 #include "r128_drv.h"
  37
  38 #include "drm_pciids.h"
  39
  40 static int postinit(struct drm_device *dev, unsigned long flags)
  41 {
  42         DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n",
  43                  DRIVER_NAME,
  44                  DRIVER_MAJOR,
  45                  DRIVER_MINOR,
  46                  DRIVER_PATCHLEVEL,
  47                  DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev)
  48             );
  49         return 0;
  50 }
  51
  52 static int version(drm_version_t * version)
  53 {
  54         int len;
  55
  56         version->version_major = DRIVER_MAJOR;
  57         version->version_minor = DRIVER_MINOR;
  58         version->version_patchlevel = DRIVER_PATCHLEVEL;
  59         DRM_COPY(version->name, DRIVER_NAME);
  60         DRM_COPY(version->date, DRIVER_DATE);
  61         DRM_COPY(version->desc, DRIVER_DESC);
  62         return 0;
  63 }
  64
  65 static struct pci_device_id pciidlist[] = {
  66         r128_PCI_IDS
  67 };
  68
  69 /* Interface history:
  70  *
  71  * ??  - ??
  72  * 2.4 - Add support for ycbcr textures (no new ioctls)
  73  * 2.5 - Add FLIP ioctl, disable FULLSCREEN.
  74  */
  75 static drm_ioctl_desc_t ioctls[] = {
  76         [DRM_IOCTL_NR(DRM_R128_INIT)] = {r128_cce_init, 1, 1},
  77         [DRM_IOCTL_NR(DRM_R128_CCE_START)] = {r128_cce_start, 1, 1},
  78         [DRM_IOCTL_NR(DRM_R128_CCE_STOP)] = {r128_cce_stop, 1, 1},
  79         [DRM_IOCTL_NR(DRM_R128_CCE_RESET)] = {r128_cce_reset, 1, 1},
  80         [DRM_IOCTL_NR(DRM_R128_CCE_IDLE)] = {r128_cce_idle, 1, 0},
  81         [DRM_IOCTL_NR(DRM_R128_RESET)] = {r128_engine_reset, 1, 0},
  82         [DRM_IOCTL_NR(DRM_R128_FULLSCREEN)] = {r128_fullscreen, 1, 0},
  83         [DRM_IOCTL_NR(DRM_R128_SWAP)] = {r128_cce_swap, 1, 0},
  84         [DRM_IOCTL_NR(DRM_R128_FLIP)] = {r128_cce_flip, 1, 0},
  85         [DRM_IOCTL_NR(DRM_R128_CLEAR)] = {r128_cce_clear, 1, 0},
  86         [DRM_IOCTL_NR(DRM_R128_VERTEX)] = {r128_cce_vertex, 1, 0},
  87         [DRM_IOCTL_NR(DRM_R128_INDICES)] = {r128_cce_indices, 1, 0},
  88         [DRM_IOCTL_NR(DRM_R128_BLIT)] = {r128_cce_blit, 1, 0},
  89         [DRM_IOCTL_NR(DRM_R128_DEPTH)] = {r128_cce_depth, 1, 0},
  90         [DRM_IOCTL_NR(DRM_R128_STIPPLE)] = {r128_cce_stipple, 1, 0},
  91         [DRM_IOCTL_NR(DRM_R128_INDIRECT)] = {r128_cce_indirect, 1, 1},
  92         [DRM_IOCTL_NR(DRM_R128_GETPARAM)] = {r128_getparam, 1, 0},
  93 };
  94
  95 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  96 static struct drm_driver driver = {
  97         .driver_features =
  98             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_PCI_DMA | DRIVER_SG |
  99             DRIVER_HAVE_DMA | DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
 100             DRIVER_IRQ_VBL,
 101         .dev_priv_size = sizeof(drm_r128_buf_priv_t),
 102         .prerelease = r128_driver_prerelease,
 103         .pretakedown = r128_driver_pretakedown,
 104         .vblank_wait = r128_driver_vblank_wait,
 105         .irq_preinstall = r128_driver_irq_preinstall,
 106         .irq_postinstall = r128_driver_irq_postinstall,
 107         .irq_uninstall = r128_driver_irq_uninstall,
 108         .irq_handler = r128_driver_irq_handler,
 109         .reclaim_buffers = drm_core_reclaim_buffers,
 110         .get_map_ofs = drm_core_get_map_ofs,
 111         .get_reg_ofs = drm_core_get_reg_ofs,
 112         .postinit = postinit,
 113         .version = version,
 114         .ioctls = ioctls,
 115         .num_ioctls = DRM_ARRAY_SIZE(ioctls),
 116         .dma_ioctl = r128_cce_buffers,
 117         .fops = {
 118                 .owner = THIS_MODULE,
 119                 .open = drm_open,
 120                 .release = drm_release,
 121                 .ioctl = drm_ioctl,
 122                 .mmap = drm_mmap,
 123                 .poll = drm_poll,
 124                 .fasync = drm_fasync,
 125                 },
 126         .pci_driver = {
 127                 .name = DRIVER_NAME,
 128                 .id_table = pciidlist,
 129                 .probe = probe,
 130                 .remove = __devexit_p(drm_cleanup_pci),
 131         }
 132 };
 133
 134 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 135 {
 136         return drm_get_dev(pdev, ent, &driver);
 137 }
 138
 139
 140 static int __init r128_init(void)
 141 {
 142         return drm_init(&driver, pciidlist);
 143 }
 144
 145 static void __exit r128_exit(void)
 146 {
 147         drm_exit(&driver);
 148 }
 149
 150 module_init(r128_init);
 151 module_exit(r128_exit);
 152
 153 MODULE_AUTHOR(DRIVER_AUTHOR);
 154 MODULE_DESCRIPTION(DRIVER_DESC);
 155 MODULE_LICENSE("GPL and additional rights");