sys/dev/drm/gamma_drv.h

   1 /* gamma_drv.h -- Private header for 3dlabs GMX 2000 driver -*- linux-c -*-
   2  * Created: Mon Jan  4 10:05:05 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  * PRECISION INSIGHT 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 OTHER
  25  * DEALINGS IN THE SOFTWARE.
  26  *
  27  * Authors:
  28  *    Rickard E. (Rik) Faith <faith@valinux.com>
  29  *
  30  * $FreeBSD$
  31  */
  32
  33 #ifndef _GAMMA_DRV_H_
  34 #define _GAMMA_DRV_H_
  35
  36
  37 typedef struct drm_gamma_private {
  38         drm_map_t *buffers;
  39         drm_map_t *mmio0;
  40         drm_map_t *mmio1;
  41         drm_map_t *mmio2;
  42         drm_map_t *mmio3;
  43 } drm_gamma_private_t;
  44
  45 #define LOCK_TEST_WITH_RETURN( dev )                                    \
  46 do {                                                                    \
  47         if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||           \
  48              dev->lock.pid != DRM_OS_CURRENTPID ) {                             \
  49                 DRM_ERROR( "%s called without lock held\n",             \
  50                            __FUNCTION__ );                              \
  51                 return DRM_OS_ERR(EINVAL);                                              \
  52         }                                                               \
  53 } while (0)
  54
  55
  56 extern void gamma_dma_ready(drm_device_t *dev);
  57 extern void gamma_dma_quiescent_single(drm_device_t *dev);
  58 extern void gamma_dma_quiescent_dual(drm_device_t *dev);
  59
  60                                 /* gamma_dma.c */
  61 extern int  gamma_dma_schedule(drm_device_t *dev, int locked);
  62 extern int  gamma_dma( DRM_OS_IOCTL );
  63 extern int  gamma_find_devices(void);
  64 extern int  gamma_found(void);
  65
  66
  67 #define GAMMA_OFF(reg)                                             \
  68         ((reg < 0x1000)                                            \
  69          ? reg                                                     \
  70          : ((reg < 0x10000)                                        \
  71             ? (reg - 0x1000)                                       \
  72             : ((reg < 0x11000)                                     \
  73                ? (reg - 0x10000)                                   \
  74                : (reg - 0x11000))))
  75
  76 #define GAMMA_BASE(reg)  ((unsigned long)                                    \
  77                           ((reg < 0x1000)    ? dev_priv->mmio0->handle :     \
  78                            ((reg < 0x10000)  ? dev_priv->mmio1->handle :     \
  79                             ((reg < 0x11000) ? dev_priv->mmio2->handle :     \
  80                                                dev_priv->mmio3->handle))))
  81
  82 #define GAMMA_ADDR(reg)  (GAMMA_BASE(reg) + GAMMA_OFF(reg))
  83 #define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg)
  84 #define GAMMA_READ(reg)  GAMMA_DEREF(reg)
  85 #define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0)
  86
  87 #define GAMMA_BROADCASTMASK    0x9378
  88 #define GAMMA_COMMANDINTENABLE 0x0c48
  89 #define GAMMA_DMAADDRESS       0x0028
  90 #define GAMMA_DMACOUNT         0x0030
  91 #define GAMMA_FILTERMODE       0x8c00
  92 #define GAMMA_GCOMMANDINTFLAGS 0x0c50
  93 #define GAMMA_GCOMMANDMODE     0x0c40
  94 #define GAMMA_GCOMMANDSTATUS   0x0c60
  95 #define GAMMA_GDELAYTIMER      0x0c38
  96 #define GAMMA_GDMACONTROL      0x0060
  97 #define GAMMA_GINTENABLE       0x0808
  98 #define GAMMA_GINTFLAGS        0x0810
  99 #define GAMMA_INFIFOSPACE      0x0018
 100 #define GAMMA_OUTFIFOWORDS     0x0020
 101 #define GAMMA_OUTPUTFIFO       0x2000
 102 #define GAMMA_SYNC             0x8c40
 103 #define GAMMA_SYNC_TAG         0x0188
 104
 105 #endif