shared-core/via_drv.c

   1 /*
   2  * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved.
   3  * Copyright 2001-2003 S3 Graphics, Inc. All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sub license,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the
  13  * next paragraph) shall be included in all copies or substantial portions
  14  * of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  19  * VIA, S3 GRAPHICS, AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24
  25 #include <linux/config.h>
  26 #include "drmP.h"
  27 #include "via_drm.h"
  28 #include "via_drv.h"
  29
  30 #include "drm_pciids.h"
  31
  32 static int postinit(struct drm_device *dev, unsigned long flags)
  33 {
  34         DRM_INFO("Initialized %s %d.%d.%d %s on minor %d: %s\n",
  35                  DRIVER_NAME,
  36                  DRIVER_MAJOR,
  37                  DRIVER_MINOR,
  38                  DRIVER_PATCHLEVEL,
  39                  DRIVER_DATE, dev->primary.minor, pci_pretty_name(dev->pdev)
  40             );
  41         return 0;
  42 }
  43
  44 static int version(drm_version_t * version)
  45 {
  46         int len;
  47
  48         version->version_major = DRIVER_MAJOR;
  49         version->version_minor = DRIVER_MINOR;
  50         version->version_patchlevel = DRIVER_PATCHLEVEL;
  51         DRM_COPY(version->name, DRIVER_NAME);
  52         DRM_COPY(version->date, DRIVER_DATE);
  53         DRM_COPY(version->desc, DRIVER_DESC);
  54         return 0;
  55 }
  56
  57 static int dri_library_name(struct drm_device * dev, char * buf)
  58 {
  59         return snprintf(buf, PAGE_SIZE, "unichrome\n");
  60 }
  61
  62 static struct pci_device_id pciidlist[] = {
  63         viadrv_PCI_IDS
  64 };
  65
  66 static drm_ioctl_desc_t ioctls[] = {
  67         [DRM_IOCTL_NR(DRM_VIA_ALLOCMEM)] = {via_mem_alloc, 1, 0},
  68         [DRM_IOCTL_NR(DRM_VIA_FREEMEM)] = {via_mem_free, 1, 0},
  69         [DRM_IOCTL_NR(DRM_VIA_AGP_INIT)] = {via_agp_init, 1, 0},
  70         [DRM_IOCTL_NR(DRM_VIA_FB_INIT)] = {via_fb_init, 1, 0},
  71         [DRM_IOCTL_NR(DRM_VIA_MAP_INIT)] = {via_map_init, 1, 0},
  72         [DRM_IOCTL_NR(DRM_VIA_DEC_FUTEX)] = {via_decoder_futex, 1, 0},
  73         [DRM_IOCTL_NR(DRM_VIA_DMA_INIT)] = {via_dma_init, 1, 0},
  74         [DRM_IOCTL_NR(DRM_VIA_CMDBUFFER)] = {via_cmdbuffer, 1, 0},
  75         [DRM_IOCTL_NR(DRM_VIA_FLUSH)] = {via_flush_ioctl, 1, 0},
  76         [DRM_IOCTL_NR(DRM_VIA_PCICMD)] = {via_pci_cmdbuffer, 1, 0},
  77         [DRM_IOCTL_NR(DRM_VIA_CMDBUF_SIZE)] = {via_cmdbuf_size, 1, 0},
  78         [DRM_IOCTL_NR(DRM_VIA_WAIT_IRQ)] = {via_wait_irq, 1, 0}
  79 };
  80
  81 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent);
  82 static struct drm_driver driver = {
  83         .driver_features =
  84             DRIVER_USE_AGP | DRIVER_USE_MTRR | DRIVER_HAVE_IRQ |
  85             DRIVER_IRQ_SHARED | DRIVER_IRQ_VBL,
  86         .context_ctor = via_init_context,
  87         .context_dtor = via_final_context,
  88         .vblank_wait = via_driver_vblank_wait,
  89         .irq_preinstall = via_driver_irq_preinstall,
  90         .irq_postinstall = via_driver_irq_postinstall,
  91         .irq_uninstall = via_driver_irq_uninstall,
  92         .irq_handler = via_driver_irq_handler,
  93         .dma_quiescent = via_driver_dma_quiescent,
  94         .dri_library_name = dri_library_name,
  95         .reclaim_buffers = drm_core_reclaim_buffers,
  96         .get_map_ofs = drm_core_get_map_ofs,
  97         .get_reg_ofs = drm_core_get_reg_ofs,
  98         .postinit = postinit,
  99         .version = version,
 100         .ioctls = ioctls,
 101         .num_ioctls = DRM_ARRAY_SIZE(ioctls),
 102         .fops = {
 103                 .owner = THIS_MODULE,
 104                 .open = drm_open,
 105                 .release = drm_release,
 106                 .ioctl = drm_ioctl,
 107                 .mmap = drm_mmap,
 108                 .poll = drm_poll,
 109                 .fasync = drm_fasync,
 110                 },
 111         .pci_driver = {
 112                 .name = DRIVER_NAME,
 113                 .id_table = pciidlist,
 114                 .probe = probe,
 115                 .remove = __devexit_p(drm_cleanup_pci),
 116         }
 117 };
 118
 119 static int probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 120 {
 121         return drm_get_dev(pdev, ent, &driver);
 122 }
 123
 124 static int __init via_init(void)
 125 {
 126         via_init_command_verifier();
 127         return drm_init(&driver, pciidlist);
 128 }
 129
 130 static void __exit via_exit(void)
 131 {
 132         drm_exit(&driver);
 133 }
 134
 135 module_init(via_init);
 136 module_exit(via_exit);
 137
 138 MODULE_AUTHOR(DRIVER_AUTHOR);
 139 MODULE_DESCRIPTION(DRIVER_DESC);
 140 MODULE_LICENSE("GPL and additional rights");