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/* gamma_drv.h -- Private header for 3dlabs GMX 2000 driver -*- linux-c -*-
* Created: Mon Jan 4 10:05:05 1999 by faith@precisioninsight.com
*
* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Rickard E. (Rik) Faith <faith@valinux.com>
*
*/
#ifndef _GAMMA_DRV_H_
#define _GAMMA_DRV_H_
typedef struct drm_gamma_private {
drm_gamma_sarea_t *sarea_priv;
drm_map_t *sarea;
drm_map_t *mmio0;
drm_map_t *mmio1;
drm_map_t *mmio2;
drm_map_t *mmio3;
int num_rast;
} drm_gamma_private_t;
/* gamma_dma.c */
extern int gamma_dma_init( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
extern int gamma_dma_copy( struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg );
extern int gamma_do_cleanup_dma( drm_device_t *dev );
extern void gamma_dma_ready(drm_device_t *dev);
extern void gamma_dma_quiescent_single(drm_device_t *dev);
extern void gamma_dma_quiescent_dual(drm_device_t *dev);
/* gamma_dma.c */
extern int gamma_dma_schedule(drm_device_t *dev, int locked);
extern int gamma_dma(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int gamma_find_devices(void);
extern int gamma_found(void);
/* Gamma-specific code pulled from drm_fops.h:
*/
extern int DRM(finish)(struct inode *inode, struct file *filp,
unsigned int cmd, unsigned long arg);
extern int DRM(flush_unblock)(drm_device_t *dev, int context,
drm_lock_flags_t flags);
extern int DRM(flush_block_and_flush)(drm_device_t *dev, int context,
drm_lock_flags_t flags);
/* Gamma-specific code pulled from drm_dma.h:
*/
extern void DRM(clear_next_buffer)(drm_device_t *dev);
extern int DRM(select_queue)(drm_device_t *dev,
void (*wrapper)(unsigned long));
extern int DRM(dma_enqueue)(struct file *filp, drm_dma_t *dma);
extern int DRM(dma_get_buffers)(struct file *filp, drm_dma_t *dma);
/* Gamma-specific code pulled from drm_lists.h (now renamed gamma_lists.h):
*/
extern int DRM(waitlist_create)(drm_waitlist_t *bl, int count);
extern int DRM(waitlist_destroy)(drm_waitlist_t *bl);
extern int DRM(waitlist_put)(drm_waitlist_t *bl, drm_buf_t *buf);
extern drm_buf_t *DRM(waitlist_get)(drm_waitlist_t *bl);
extern int DRM(freelist_create)(drm_freelist_t *bl, int count);
extern int DRM(freelist_destroy)(drm_freelist_t *bl);
extern int DRM(freelist_put)(drm_device_t *dev, drm_freelist_t *bl,
drm_buf_t *buf);
extern drm_buf_t *DRM(freelist_get)(drm_freelist_t *bl, int block);
/* externs for gamma changes to the ops */
extern struct file_operations DRM(fops);
extern unsigned int gamma_fops_poll(struct file *filp, struct poll_table_struct *wait);
extern ssize_t gamma_fops_read(struct file *filp, char __user *buf, size_t count, loff_t *off);
#define GLINT_DRI_BUF_COUNT 256
#define GAMMA_OFF(reg) \
((reg < 0x1000) \
? reg \
: ((reg < 0x10000) \
? (reg - 0x1000) \
: ((reg < 0x11000) \
? (reg - 0x10000) \
: (reg - 0x11000))))
#define GAMMA_BASE(reg) ((unsigned long) \
((reg < 0x1000) ? dev_priv->mmio0->handle : \
((reg < 0x10000) ? dev_priv->mmio1->handle : \
((reg < 0x11000) ? dev_priv->mmio2->handle : \
dev_priv->mmio3->handle))))
#define GAMMA_ADDR(reg) (GAMMA_BASE(reg) + GAMMA_OFF(reg))
#define GAMMA_DEREF(reg) *(__volatile__ int *)GAMMA_ADDR(reg)
#define GAMMA_READ(reg) GAMMA_DEREF(reg)
#define GAMMA_WRITE(reg,val) do { GAMMA_DEREF(reg) = val; } while (0)
#define GAMMA_BROADCASTMASK 0x9378
#define GAMMA_COMMANDINTENABLE 0x0c48
#define GAMMA_DMAADDRESS 0x0028
#define GAMMA_DMACOUNT 0x0030
#define GAMMA_FILTERMODE 0x8c00
#define GAMMA_GCOMMANDINTFLAGS 0x0c50
#define GAMMA_GCOMMANDMODE 0x0c40
#define GAMMA_QUEUED_DMA_MODE 1<<1
#define GAMMA_GCOMMANDSTATUS 0x0c60
#define GAMMA_GDELAYTIMER 0x0c38
#define GAMMA_GDMACONTROL 0x0060
#define GAMMA_USE_AGP 1<<1
#define GAMMA_GINTENABLE 0x0808
#define GAMMA_GINTFLAGS 0x0810
#define GAMMA_INFIFOSPACE 0x0018
#define GAMMA_OUTFIFOWORDS 0x0020
#define GAMMA_OUTPUTFIFO 0x2000
#define GAMMA_SYNC 0x8c40
#define GAMMA_SYNC_TAG 0x0188
#define GAMMA_PAGETABLEADDR 0x0C00
#define GAMMA_PAGETABLELENGTH 0x0C08
#define GAMMA_PASSTHROUGH 0x1FE
#define GAMMA_DMAADDRTAG 0x530
#define GAMMA_DMACOUNTTAG 0x531
#define GAMMA_COMMANDINTTAG 0x532
#endif
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