454 lines
16 KiB
C
454 lines
16 KiB
C
/* mga_drv.h -- Private header for the Matrox g200/g400 driver -*- linux-c -*-
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* Created: Mon Dec 13 01:50:01 1999 by jhartmann@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: Rickard E. (Rik) Faith <faith@valinux.com>
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* Jeff Hartmann <jhartmann@valinux.com>
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*
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*/
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#ifndef _MGA_DRV_H_
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#define _MGA_DRV_H_
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#define MGA_BUF_IN_USE 0
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#define MGA_BUF_SWAP_PENDING 1
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#define MGA_BUF_FORCE_FIRE 2
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#define MGA_BUF_NEEDS_OVERFLOW 3
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typedef struct {
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u32 buffer_status;
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int num_dwords;
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int max_dwords;
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u32 *current_dma_ptr;
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u32 *head;
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u32 phys_head;
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unsigned int prim_age;
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int sec_used;
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int idx;
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} drm_mga_prim_buf_t;
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typedef struct _drm_mga_freelist {
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unsigned int age;
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drm_buf_t *buf;
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struct _drm_mga_freelist *next;
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struct _drm_mga_freelist *prev;
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} drm_mga_freelist_t;
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#define MGA_IN_DISPATCH 0
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#define MGA_IN_FLUSH 1
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#define MGA_IN_WAIT 2
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#define MGA_IN_GETBUF 3
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typedef struct _drm_mga_private {
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u32 dispatch_status;
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unsigned int next_prim_age;
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__volatile__ unsigned int last_prim_age;
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int reserved_map_idx;
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int buffer_map_idx;
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drm_mga_sarea_t *sarea_priv;
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int primary_size;
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int warp_ucode_size;
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int chipset;
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unsigned int frontOffset;
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unsigned int backOffset;
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unsigned int depthOffset;
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unsigned int textureOffset;
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unsigned int textureSize;
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int cpp;
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unsigned int stride;
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int sgram;
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int use_agp;
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drm_mga_warp_index_t WarpIndex[MGA_MAX_G400_PIPES];
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unsigned int WarpPipe;
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unsigned int vertexsize;
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atomic_t pending_bufs;
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void *status_page;
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unsigned long real_status_page;
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u8 *ioremap;
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drm_mga_prim_buf_t **prim_bufs;
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drm_mga_prim_buf_t *next_prim;
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drm_mga_prim_buf_t *last_prim;
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drm_mga_prim_buf_t *current_prim;
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int current_prim_idx;
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drm_mga_freelist_t *head;
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drm_mga_freelist_t *tail;
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wait_queue_head_t flush_queue; /* Processes waiting until flush */
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wait_queue_head_t wait_queue; /* Processes waiting until interrupt */
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wait_queue_head_t buf_queue; /* Processes waiting for a free buf */
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/* Some validated register values:
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*/
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u32 mAccess;
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} drm_mga_private_t;
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/* mga_drv.c */
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extern int mga_version(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_open(struct inode *inode, struct file *filp);
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extern int mga_release(struct inode *inode, struct file *filp);
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extern int mga_ioctl(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_unlock(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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/* mga_dma.c */
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extern int mga_dma_schedule(drm_device_t *dev, int locked);
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extern int mga_dma(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_irq_install(drm_device_t *dev, int irq);
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extern int mga_irq_uninstall(drm_device_t *dev);
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extern int mga_control(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_lock(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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/* mga_dma_init does init and release */
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extern int mga_dma_init(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_dma_cleanup(drm_device_t *dev);
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extern int mga_flush_ioctl(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern unsigned int mga_create_sync_tag(drm_device_t *dev);
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extern drm_buf_t *mga_freelist_get(drm_device_t *dev);
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extern int mga_freelist_put(drm_device_t *dev, drm_buf_t *buf);
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extern int mga_advance_primary(drm_device_t *dev);
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extern void mga_reclaim_buffers(drm_device_t *dev, pid_t pid);
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/* mga_bufs.c */
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extern int mga_addbufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_infobufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_markbufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_freebufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_mapbufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_addmap(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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/* mga_state.c */
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extern int mga_clear_bufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_swap_bufs(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_iload(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_vertex(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_indices(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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/* mga_context.c */
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extern int mga_resctx(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_addctx(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_modctx(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_getctx(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_switchctx(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_newctx(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_rmctx(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg);
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extern int mga_context_switch(drm_device_t *dev, int old, int new);
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extern int mga_context_switch_complete(drm_device_t *dev, int new);
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#define mga_flush_write_combine() mb()
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typedef enum {
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TT_GENERAL,
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TT_BLIT,
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TT_VECTOR,
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TT_VERTEX
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} transferType_t;
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typedef struct {
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drm_mga_freelist_t *my_freelist;
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int discard;
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int dispatched;
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} drm_mga_buf_priv_t;
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#define DWGREG0 0x1c00
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#define DWGREG0_END 0x1dff
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#define DWGREG1 0x2c00
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#define DWGREG1_END 0x2dff
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#define ISREG0(r) (r >= DWGREG0 && r <= DWGREG0_END)
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#define ADRINDEX0(r) (u8)((r - DWGREG0) >> 2)
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#define ADRINDEX1(r) (u8)(((r - DWGREG1) >> 2) | 0x80)
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#define ADRINDEX(r) (ISREG0(r) ? ADRINDEX0(r) : ADRINDEX1(r))
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#define MGA_VERBOSE 0
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#define MGA_NUM_PRIM_BUFS 8
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#define PRIMLOCALS u8 tempIndex[4]; u32 *dma_ptr; u32 phys_head; \
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int outcount, num_dwords
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#define PRIM_OVERFLOW(dev, dev_priv, length) do { \
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drm_mga_prim_buf_t *tmp_buf = \
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dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
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if( test_bit(MGA_BUF_NEEDS_OVERFLOW, &tmp_buf->buffer_status)) { \
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mga_advance_primary(dev); \
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mga_dma_schedule(dev, 1); \
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tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
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} else if( tmp_buf->max_dwords - tmp_buf->num_dwords < length || \
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tmp_buf->sec_used > MGA_DMA_BUF_NR/2) { \
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set_bit(MGA_BUF_FORCE_FIRE, &tmp_buf->buffer_status); \
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mga_advance_primary(dev); \
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mga_dma_schedule(dev, 1); \
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tmp_buf = dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
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} \
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if(MGA_VERBOSE) \
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DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__); \
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dma_ptr = tmp_buf->current_dma_ptr; \
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num_dwords = tmp_buf->num_dwords; \
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phys_head = tmp_buf->phys_head; \
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outcount = 0; \
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} while(0)
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#define PRIMGETPTR(dev_priv) do { \
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drm_mga_prim_buf_t *tmp_buf = \
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dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
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if(MGA_VERBOSE) \
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DRM_DEBUG("PRIMGETPTR in %s\n", __FUNCTION__); \
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dma_ptr = tmp_buf->current_dma_ptr; \
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num_dwords = tmp_buf->num_dwords; \
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phys_head = tmp_buf->phys_head; \
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outcount = 0; \
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} while(0)
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#define PRIMPTR(prim_buf) do { \
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if(MGA_VERBOSE) \
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DRM_DEBUG("PRIMPTR in %s\n", __FUNCTION__); \
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dma_ptr = prim_buf->current_dma_ptr; \
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num_dwords = prim_buf->num_dwords; \
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phys_head = prim_buf->phys_head; \
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outcount = 0; \
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} while(0)
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#define PRIMFINISH(prim_buf) do { \
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if (MGA_VERBOSE) { \
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DRM_DEBUG( "PRIMFINISH in %s\n", __FUNCTION__); \
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if (outcount & 3) \
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DRM_DEBUG(" --- truncation\n"); \
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} \
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prim_buf->num_dwords = num_dwords; \
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prim_buf->current_dma_ptr = dma_ptr; \
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} while(0)
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#define PRIMADVANCE(dev_priv) do { \
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drm_mga_prim_buf_t *tmp_buf = \
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dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
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if (MGA_VERBOSE) { \
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DRM_DEBUG("PRIMADVANCE in %s\n", __FUNCTION__); \
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if (outcount & 3) \
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DRM_DEBUG(" --- truncation\n"); \
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} \
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tmp_buf->num_dwords = num_dwords; \
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tmp_buf->current_dma_ptr = dma_ptr; \
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} while (0)
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#define PRIMUPDATE(dev_priv) do { \
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drm_mga_prim_buf_t *tmp_buf = \
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dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
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tmp_buf->sec_used++; \
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} while (0)
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#define AGEBUF(dev_priv, buf_priv) do { \
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drm_mga_prim_buf_t *tmp_buf = \
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dev_priv->prim_bufs[dev_priv->current_prim_idx]; \
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buf_priv->my_freelist->age = tmp_buf->prim_age; \
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} while (0)
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#define PRIMOUTREG(reg, val) do { \
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tempIndex[outcount]=ADRINDEX(reg); \
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dma_ptr[1+outcount] = val; \
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if (MGA_VERBOSE) \
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DRM_DEBUG(" PRIMOUT %d: 0x%x -- 0x%x\n", \
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num_dwords + 1 + outcount, ADRINDEX(reg), val); \
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if( ++outcount == 4) { \
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outcount = 0; \
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dma_ptr[0] = *(u32 *)tempIndex; \
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dma_ptr+=5; \
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num_dwords += 5; \
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} \
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}while (0)
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/* A reduced set of the mga registers.
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*/
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#define MGAREG_MGA_EXEC 0x0100
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#define MGAREG_ALPHACTRL 0x2c7c
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#define MGAREG_AR0 0x1c60
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#define MGAREG_AR1 0x1c64
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#define MGAREG_AR2 0x1c68
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#define MGAREG_AR3 0x1c6c
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#define MGAREG_AR4 0x1c70
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#define MGAREG_AR5 0x1c74
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#define MGAREG_AR6 0x1c78
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#define MGAREG_CXBNDRY 0x1c80
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#define MGAREG_CXLEFT 0x1ca0
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#define MGAREG_CXRIGHT 0x1ca4
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#define MGAREG_DMAPAD 0x1c54
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#define MGAREG_DSTORG 0x2cb8
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#define MGAREG_DWGCTL 0x1c00
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#define MGAREG_DWGSYNC 0x2c4c
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#define MGAREG_FCOL 0x1c24
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#define MGAREG_FIFOSTATUS 0x1e10
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#define MGAREG_FOGCOL 0x1cf4
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#define MGAREG_FXBNDRY 0x1c84
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#define MGAREG_FXLEFT 0x1ca8
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#define MGAREG_FXRIGHT 0x1cac
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#define MGAREG_ICLEAR 0x1e18
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#define MGAREG_IEN 0x1e1c
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#define MGAREG_LEN 0x1c5c
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#define MGAREG_MACCESS 0x1c04
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#define MGAREG_PITCH 0x1c8c
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#define MGAREG_PLNWT 0x1c1c
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#define MGAREG_PRIMADDRESS 0x1e58
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#define MGAREG_PRIMEND 0x1e5c
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#define MGAREG_PRIMPTR 0x1e50
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#define MGAREG_SECADDRESS 0x2c40
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#define MGAREG_SECEND 0x2c44
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#define MGAREG_SETUPADDRESS 0x2cd0
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#define MGAREG_SETUPEND 0x2cd4
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#define MGAREG_SOFTRAP 0x2c48
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#define MGAREG_SRCORG 0x2cb4
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#define MGAREG_STATUS 0x1e14
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#define MGAREG_STENCIL 0x2cc8
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#define MGAREG_STENCILCTL 0x2ccc
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#define MGAREG_TDUALSTAGE0 0x2cf8
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#define MGAREG_TDUALSTAGE1 0x2cfc
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#define MGAREG_TEXBORDERCOL 0x2c5c
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#define MGAREG_TEXCTL 0x2c30
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#define MGAREG_TEXCTL2 0x2c3c
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#define MGAREG_TEXFILTER 0x2c58
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#define MGAREG_TEXHEIGHT 0x2c2c
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#define MGAREG_TEXORG 0x2c24
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#define MGAREG_TEXORG1 0x2ca4
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#define MGAREG_TEXORG2 0x2ca8
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#define MGAREG_TEXORG3 0x2cac
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#define MGAREG_TEXORG4 0x2cb0
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#define MGAREG_TEXTRANS 0x2c34
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#define MGAREG_TEXTRANSHIGH 0x2c38
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#define MGAREG_TEXWIDTH 0x2c28
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#define MGAREG_WACCEPTSEQ 0x1dd4
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#define MGAREG_WCODEADDR 0x1e6c
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#define MGAREG_WFLAG 0x1dc4
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#define MGAREG_WFLAG1 0x1de0
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#define MGAREG_WFLAGNB 0x1e64
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#define MGAREG_WFLAGNB1 0x1e08
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#define MGAREG_WGETMSB 0x1dc8
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#define MGAREG_WIADDR 0x1dc0
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#define MGAREG_WIADDR2 0x1dd8
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#define MGAREG_WMISC 0x1e70
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#define MGAREG_WVRTXSZ 0x1dcc
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#define MGAREG_YBOT 0x1c9c
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#define MGAREG_YDST 0x1c90
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#define MGAREG_YDSTLEN 0x1c88
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#define MGAREG_YDSTORG 0x1c94
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#define MGAREG_YTOP 0x1c98
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#define MGAREG_ZORG 0x1c0c
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#define PDEA_pagpxfer_enable 0x2
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#define WIA_wmode_suspend 0x0
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#define WIA_wmode_start 0x3
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#define WIA_wagp_agp 0x4
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#define DC_opcod_line_open 0x0
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#define DC_opcod_autoline_open 0x1
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#define DC_opcod_line_close 0x2
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#define DC_opcod_autoline_close 0x3
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#define DC_opcod_trap 0x4
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#define DC_opcod_texture_trap 0x6
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#define DC_opcod_bitblt 0x8
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#define DC_opcod_iload 0x9
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#define DC_atype_rpl 0x0
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#define DC_atype_rstr 0x10
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#define DC_atype_zi 0x30
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#define DC_atype_blk 0x40
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#define DC_atype_i 0x70
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#define DC_linear_xy 0x0
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#define DC_linear_linear 0x80
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#define DC_zmode_nozcmp 0x0
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#define DC_zmode_ze 0x200
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#define DC_zmode_zne 0x300
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#define DC_zmode_zlt 0x400
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#define DC_zmode_zlte 0x500
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#define DC_zmode_zgt 0x600
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#define DC_zmode_zgte 0x700
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#define DC_solid_disable 0x0
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#define DC_solid_enable 0x800
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#define DC_arzero_disable 0x0
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#define DC_arzero_enable 0x1000
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#define DC_sgnzero_disable 0x0
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#define DC_sgnzero_enable 0x2000
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#define DC_shftzero_disable 0x0
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#define DC_shftzero_enable 0x4000
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#define DC_bop_SHIFT 16
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#define DC_trans_SHIFT 20
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#define DC_bltmod_bmonolef 0x0
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#define DC_bltmod_bmonowf 0x8000000
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#define DC_bltmod_bplan 0x2000000
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#define DC_bltmod_bfcol 0x4000000
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#define DC_bltmod_bu32bgr 0x6000000
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#define DC_bltmod_bu32rgb 0xe000000
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#define DC_bltmod_bu24bgr 0x16000000
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#define DC_bltmod_bu24rgb 0x1e000000
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#define DC_pattern_disable 0x0
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#define DC_pattern_enable 0x20000000
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#define DC_transc_disable 0x0
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#define DC_transc_enable 0x40000000
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#define DC_clipdis_disable 0x0
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#define DC_clipdis_enable 0x80000000
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#define SETADD_mode_vertlist 0x0
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#define MGA_CLEAR_CMD (DC_opcod_trap | DC_arzero_enable | \
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DC_sgnzero_enable | DC_shftzero_enable | \
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(0xC << DC_bop_SHIFT) | DC_clipdis_enable | \
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DC_solid_enable | DC_transc_enable)
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#define MGA_COPY_CMD (DC_opcod_bitblt | DC_atype_rpl | DC_linear_xy | \
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DC_solid_disable | DC_arzero_disable | \
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DC_sgnzero_enable | DC_shftzero_enable | \
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(0xC << DC_bop_SHIFT) | DC_bltmod_bfcol | \
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DC_pattern_disable | DC_transc_disable | \
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DC_clipdis_enable) \
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#define MGA_FLUSH_CMD (DC_opcod_texture_trap | (0xF << DC_trans_SHIFT) |\
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DC_arzero_enable | DC_sgnzero_enable | \
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DC_atype_i)
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#endif
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