106 lines
3.7 KiB
C
106 lines
3.7 KiB
C
/* gamma_drv.h -- Private header for 3dlabs GMX 2000 driver -*- linux-c -*-
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* Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
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*
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Rickard E. (Rik) Faith <faith@valinux.com>
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*
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*/
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#ifndef _GAMMA_DRV_H_
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#define _GAMMA_DRV_H_
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typedef struct drm_gamma_private {
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drm_map_t *buffers;
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drm_map_t *mmio0;
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drm_map_t *mmio1;
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drm_map_t *mmio2;
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drm_map_t *mmio3;
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} drm_gamma_private_t;
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#define LOCK_TEST_WITH_RETURN( dev ) \
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do { \
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if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) || \
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dev->lock.pid != current->pid ) { \
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DRM_ERROR( "%s called without lock held\n", \
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__FUNCTION__ ); \
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return -EINVAL; \
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} \
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} while (0)
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extern void gamma_dma_ready(drm_device_t *dev);
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extern void gamma_dma_quiescent_single(drm_device_t *dev);
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extern void gamma_dma_quiescent_dual(drm_device_t *dev);
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/* gamma_dma.c */
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extern int gamma_dma_schedule(drm_device_t *dev, int locked);
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extern int gamma_dma(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int gamma_find_devices(void);
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extern int gamma_found(void);
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#define GAMMA_OFF(reg) \
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((reg < 0x1000) \
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? reg \
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: ((reg < 0x10000) \
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? (reg - 0x1000) \
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: ((reg < 0x11000) \
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? (reg - 0x10000) \
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: (reg - 0x11000))))
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#define GAMMA_BASE(reg) ((unsigned long) \
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((reg < 0x1000) ? dev_priv->mmio0->handle : \
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((reg < 0x10000) ? dev_priv->mmio1->handle : \
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((reg < 0x11000) ? dev_priv->mmio2->handle : \
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dev_priv->mmio3->handle))))
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#define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg))
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#define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg)
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#define GAMMA_READ(reg) GAMMA_DEREF(reg)
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#define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0)
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#define GAMMA_BROADCASTMASK 0x9378
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#define GAMMA_COMMANDINTENABLE 0x0c48
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#define GAMMA_DMAADDRESS 0x0028
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#define GAMMA_DMACOUNT 0x0030
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#define GAMMA_FILTERMODE 0x8c00
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#define GAMMA_GCOMMANDINTFLAGS 0x0c50
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#define GAMMA_GCOMMANDMODE 0x0c40
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#define GAMMA_GCOMMANDSTATUS 0x0c60
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#define GAMMA_GDELAYTIMER 0x0c38
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#define GAMMA_GDMACONTROL 0x0060
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#define GAMMA_GINTENABLE 0x0808
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#define GAMMA_GINTFLAGS 0x0810
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#define GAMMA_INFIFOSPACE 0x0018
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#define GAMMA_OUTFIFOWORDS 0x0020
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#define GAMMA_OUTPUTFIFO 0x2000
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#define GAMMA_SYNC 0x8c40
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#define GAMMA_SYNC_TAG 0x0188
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#endif
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