drivers/char/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  */
  31
  32 #ifndef _GAMMA_DRV_H_
  33 #define _GAMMA_DRV_H_
  34
  35 typedef struct drm_gamma_private {
  36         drm_gamma_sarea_t *sarea_priv;
  37         drm_map_t *sarea;
  38         drm_map_t *mmio0;
  39         drm_map_t *mmio1;
  40         drm_map_t *mmio2;
  41         drm_map_t *mmio3;
  42         int num_rast;
  43 } drm_gamma_private_t;
  44
  45                                 /* gamma_dma.c */
  46 extern int gamma_dma_init( struct inode *inode, struct file *filp,
  47                          unsigned int cmd, unsigned long arg );
  48 extern int gamma_dma_copy( struct inode *inode, struct file *filp,
  49                          unsigned int cmd, unsigned long arg );
  50
  51 extern int gamma_do_cleanup_dma( drm_device_t *dev );
  52 extern void gamma_dma_ready(drm_device_t *dev);
  53 extern void gamma_dma_quiescent_single(drm_device_t *dev);
  54 extern void gamma_dma_quiescent_dual(drm_device_t *dev);
  55
  56                                 /* gamma_dma.c */
  57 extern int  gamma_dma_schedule(drm_device_t *dev, int locked);
  58 extern int  gamma_dma(struct inode *inode, struct file *filp,
  59                       unsigned int cmd, unsigned long arg);
  60 extern int  gamma_find_devices(void);
  61 extern int  gamma_found(void);
  62
  63 /* Gamma-specific code pulled from drm_fops.h:
  64  */
  65 extern int           DRM(finish)(struct inode *inode, struct file *filp,
  66                                  unsigned int cmd, unsigned long arg);
  67 extern int           DRM(flush_unblock)(drm_device_t *dev, int context,
  68                                         drm_lock_flags_t flags);
  69 extern int           DRM(flush_block_and_flush)(drm_device_t *dev, int context,
  70                                                 drm_lock_flags_t flags);
  71
  72 /* Gamma-specific code pulled from drm_dma.h:
  73  */
  74 extern void          DRM(clear_next_buffer)(drm_device_t *dev);
  75 extern int           DRM(select_queue)(drm_device_t *dev,
  76                                        void (*wrapper)(unsigned long));
  77 extern int           DRM(dma_enqueue)(struct file *filp, drm_dma_t *dma);
  78 extern int           DRM(dma_get_buffers)(struct file *filp, drm_dma_t *dma);
  79
  80
  81 /* Gamma-specific code pulled from drm_lists.h (now renamed gamma_lists.h):
  82  */
  83 extern int           DRM(waitlist_create)(drm_waitlist_t *bl, int count);
  84 extern int           DRM(waitlist_destroy)(drm_waitlist_t *bl);
  85 extern int           DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf);
  86 extern drm_buf_t     *DRM(waitlist_get)(drm_waitlist_t *bl);
  87 extern int           DRM(freelist_create)(drm_freelist_t *bl, int count);
  88 extern int           DRM(freelist_destroy)(drm_freelist_t *bl);
  89 extern int           DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl,
  90                                        drm_buf_t *buf);
  91 extern drm_buf_t     *DRM(freelist_get)(drm_freelist_t *bl, int block);
  92
  93 /* externs for gamma changes to the ops */
  94 extern struct file_operations DRM(fops);
  95 extern unsigned int gamma_fops_poll(struct file *filp, struct poll_table_struct *wait);
  96 extern ssize_t gamma_fops_read(struct file *filp, char __user *buf, size_t count, loff_t *off);
  97
  98
  99 #define GLINT_DRI_BUF_COUNT 256
 100
 101 #define GAMMA_OFF(reg)                                             \
 102         ((reg < 0x1000)                                            \
 103          ? reg                                                     \
 104          : ((reg < 0x10000)                                        \
 105             ? (reg - 0x1000)                                       \
 106             : ((reg < 0x11000)                                     \
 107                ? (reg - 0x10000)                                   \
 108                : (reg - 0x11000))))
 109
 110 #define GAMMA_BASE(reg)  ((unsigned long)                                    \
 111                           ((reg < 0x1000)    ? dev_priv->mmio0->handle :     \
 112                            ((reg < 0x10000)  ? dev_priv->mmio1->handle :     \
 113                             ((reg < 0x11000) ? dev_priv->mmio2->handle :     \
 114                                                dev_priv->mmio3->handle))))
 115 #define GAMMA_ADDR(reg)  (GAMMA_BASE(reg) + GAMMA_OFF(reg))
 116 #define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg)
 117 #define GAMMA_READ(reg)  GAMMA_DEREF(reg)
 118 #define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0)
 119
 120 #define GAMMA_BROADCASTMASK    0x9378
 121 #define GAMMA_COMMANDINTENABLE 0x0c48
 122 #define GAMMA_DMAADDRESS       0x0028
 123 #define GAMMA_DMACOUNT         0x0030
 124 #define GAMMA_FILTERMODE       0x8c00
 125 #define GAMMA_GCOMMANDINTFLAGS 0x0c50
 126 #define GAMMA_GCOMMANDMODE     0x0c40
 127 #define         GAMMA_QUEUED_DMA_MODE           1<<1
 128 #define GAMMA_GCOMMANDSTATUS   0x0c60
 129 #define GAMMA_GDELAYTIMER      0x0c38
 130 #define GAMMA_GDMACONTROL      0x0060
 131 #define         GAMMA_USE_AGP                   1<<1
 132 #define GAMMA_GINTENABLE       0x0808
 133 #define GAMMA_GINTFLAGS        0x0810
 134 #define GAMMA_INFIFOSPACE      0x0018
 135 #define GAMMA_OUTFIFOWORDS     0x0020
 136 #define GAMMA_OUTPUTFIFO       0x2000
 137 #define GAMMA_SYNC             0x8c40
 138 #define GAMMA_SYNC_TAG         0x0188
 139 #define GAMMA_PAGETABLEADDR    0x0C00
 140 #define GAMMA_PAGETABLELENGTH  0x0C08
 141
 142 #define GAMMA_PASSTHROUGH       0x1FE
 143 #define GAMMA_DMAADDRTAG        0x530
 144 #define GAMMA_DMACOUNTTAG       0x531
 145 #define GAMMA_COMMANDINTTAG     0x532
 146
 147 #endif