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 *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 != current->pid ) { \ 49 DRM_ERROR( "%s called without lock held\n", \ 50 __FUNCTION__ ); \ 51 return -EINVAL; \ 52 } \ 53 } while (0) 54 55 /* gamma_dma.c */ 56 extern int gamma_dma_init( struct inode *inode, struct file *filp, 57 unsigned int cmd, unsigned long arg ); 58 extern int gamma_dma_copy( struct inode *inode, struct file *filp, 59 unsigned int cmd, unsigned long arg ); 60 61 extern void gamma_dma_ready(drm_device_t *dev); 62 extern void gamma_dma_quiescent_single(drm_device_t *dev); 63 extern void gamma_dma_quiescent_dual(drm_device_t *dev); 64 65 /* gamma_dma.c */ 66 extern int gamma_dma_schedule(drm_device_t *dev, int locked); 67 extern int gamma_dma(struct inode *inode, struct file *filp, 68 unsigned int cmd, unsigned long arg); 69 extern int gamma_find_devices(void); 70 extern int gamma_found(void); 71 72 #define GLINT_DRI_BUF_COUNT 256 73 74 #define GAMMA_OFF(reg) \ 75 ((reg < 0x1000) \ 76 ? reg \ 77 : ((reg < 0x10000) \ 78 ? (reg - 0x1000) \ 79 : ((reg < 0x11000) \ 80 ? (reg - 0x10000) \ 81 : (reg - 0x11000)))) 82 83 #define GAMMA_BASE(reg) ((unsigned long) \ 84 ((reg < 0x1000) ? dev_priv->mmio0->handle : \ 85 ((reg < 0x10000) ? dev_priv->mmio1->handle : \ 86 ((reg < 0x11000) ? dev_priv->mmio2->handle : \ 87 dev_priv->mmio3->handle)))) 88 #define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg)) 89 #define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg) 90 #define GAMMA_READ(reg) GAMMA_DEREF(reg) 91 #define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0) 92 93 #define GAMMA_BROADCASTMASK 0x9378 94 #define GAMMA_COMMANDINTENABLE 0x0c48 95 #define GAMMA_DMAADDRESS 0x0028 96 #define GAMMA_DMACOUNT 0x0030 97 #define GAMMA_FILTERMODE 0x8c00 98 #define GAMMA_GCOMMANDINTFLAGS 0x0c50 99 #define GAMMA_GCOMMANDMODE 0x0c40 100 #define GAMMA_QUEUED_DMA_MODE 1<<1 101 #define GAMMA_GCOMMANDSTATUS 0x0c60 102 #define GAMMA_GDELAYTIMER 0x0c38 103 #define GAMMA_GDMACONTROL 0x0060 104 #define GAMMA_USE_AGP 1<<1 105 #define GAMMA_GINTENABLE 0x0808 106 #define GAMMA_GINTFLAGS 0x0810 107 #define GAMMA_INFIFOSPACE 0x0018 108 #define GAMMA_OUTFIFOWORDS 0x0020 109 #define GAMMA_OUTPUTFIFO 0x2000 110 #define GAMMA_SYNC 0x8c40 111 #define GAMMA_SYNC_TAG 0x0188 112 #define GAMMA_PAGETABLEADDR 0x0C00 113 #define GAMMA_PAGETABLELENGTH 0x0C08 114 115 #define GAMMA_PASSTHROUGH 0x1FE 116 #define GAMMA_DMAADDRTAG 0x530 117 #define GAMMA_DMACOUNTTAG 0x531 118 #define GAMMA_COMMANDINTTAG 0x532 119 120 #endif 121