mga_drv.h
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上传日期:2013-02-24
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- /* mga_drv.h -- Private header for the Matrox G200/G400 driver -*- linux-c -*-
- * Created: Mon Dec 13 01:50:01 1999 by jhartmann@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
- * VA LINUX SYSTEMS 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:
- * Gareth Hughes <gareth@valinux.com>
- */
- #ifndef __MGA_DRV_H__
- #define __MGA_DRV_H__
- typedef struct drm_mga_primary_buffer {
- u8 *start;
- u8 *end;
- int size;
- u32 tail;
- int space;
- volatile int wrapped;
- volatile u32 *status;
- u32 last_flush;
- u32 last_wrap;
- u32 high_mark;
- spinlock_t list_lock;
- } drm_mga_primary_buffer_t;
- typedef struct drm_mga_freelist {
- struct drm_mga_freelist *next;
- struct drm_mga_freelist *prev;
- drm_mga_age_t age;
- drm_buf_t *buf;
- } drm_mga_freelist_t;
- typedef struct {
- drm_mga_freelist_t *list_entry;
- int discard;
- int dispatched;
- } drm_mga_buf_priv_t;
- typedef struct drm_mga_private {
- drm_mga_primary_buffer_t prim;
- drm_mga_sarea_t *sarea_priv;
- drm_mga_freelist_t *head;
- drm_mga_freelist_t *tail;
- unsigned int warp_pipe;
- unsigned long warp_pipe_phys[MGA_MAX_WARP_PIPES];
- int chipset;
- int usec_timeout;
- u32 clear_cmd;
- u32 maccess;
- unsigned int fb_cpp;
- unsigned int front_offset;
- unsigned int front_pitch;
- unsigned int back_offset;
- unsigned int back_pitch;
- unsigned int depth_cpp;
- unsigned int depth_offset;
- unsigned int depth_pitch;
- unsigned int texture_offset;
- unsigned int texture_size;
- drm_map_t *sarea;
- drm_map_t *fb;
- drm_map_t *mmio;
- drm_map_t *status;
- drm_map_t *warp;
- drm_map_t *primary;
- drm_map_t *buffers;
- drm_map_t *agp_textures;
- } drm_mga_private_t;
- /* mga_dma.c */
- extern int mga_dma_init( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- extern int mga_dma_flush( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- extern int mga_dma_reset( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- extern int mga_dma_buffers( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- extern int mga_do_wait_for_idle( drm_mga_private_t *dev_priv );
- extern int mga_do_dma_idle( drm_mga_private_t *dev_priv );
- extern int mga_do_dma_reset( drm_mga_private_t *dev_priv );
- extern int mga_do_engine_reset( drm_mga_private_t *dev_priv );
- extern int mga_do_cleanup_dma( drm_device_t *dev );
- extern void mga_do_dma_flush( drm_mga_private_t *dev_priv );
- extern void mga_do_dma_wrap_start( drm_mga_private_t *dev_priv );
- extern void mga_do_dma_wrap_end( drm_mga_private_t *dev_priv );
- extern int mga_freelist_put( drm_device_t *dev, drm_buf_t *buf );
- /* mga_state.c */
- extern int mga_dma_clear( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- extern int mga_dma_swap( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- extern int mga_dma_vertex( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- extern int mga_dma_indices( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- extern int mga_dma_iload( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- extern int mga_dma_blit( struct inode *inode, struct file *filp,
- unsigned int cmd, unsigned long arg );
- /* mga_warp.c */
- extern int mga_warp_install_microcode( drm_mga_private_t *dev_priv );
- extern int mga_warp_init( drm_mga_private_t *dev_priv );
- #define mga_flush_write_combine() mb()
- #define MGA_BASE( reg ) ((unsigned long)(dev_priv->mmio->handle))
- #define MGA_ADDR( reg ) (MGA_BASE(reg) + reg)
- #define MGA_DEREF( reg ) *(volatile u32 *)MGA_ADDR( reg )
- #define MGA_DEREF8( reg ) *(volatile u8 *)MGA_ADDR( reg )
- #ifdef __alpha__
- #define MGA_READ( reg ) (_MGA_READ((u32 *)MGA_ADDR(reg)))
- #define MGA_WRITE( reg, val ) do { wmb(); MGA_DEREF( reg ) = val; } while (0)
- #define MGA_WRITE8( reg, val ) do { wmb(); MGA_DEREF8( reg ) = val; } while (0)
- static inline u32 _MGA_READ(u32 *addr)
- {
- mb();
- return *(volatile u32 *)addr;
- }
- #else
- #define MGA_READ( reg ) MGA_DEREF( reg )
- #define MGA_WRITE( reg, val ) do { MGA_DEREF( reg ) = val; } while (0)
- #define MGA_WRITE8( reg, val ) do { MGA_DEREF8( reg ) = val; } while (0)
- #endif
- #define DWGREG0 0x1c00
- #define DWGREG0_END 0x1dff
- #define DWGREG1 0x2c00
- #define DWGREG1_END 0x2dff
- #define ISREG0(r) (r >= DWGREG0 && r <= DWGREG0_END)
- #define DMAREG0(r) (u8)((r - DWGREG0) >> 2)
- #define DMAREG1(r) (u8)(((r - DWGREG1) >> 2) | 0x80)
- #define DMAREG(r) (ISREG0(r) ? DMAREG0(r) : DMAREG1(r))
- /* ================================================================
- * Helper macross...
- */
- #define MGA_EMIT_STATE( dev_priv, dirty )
- do {
- if ( (dirty) & ~MGA_UPLOAD_CLIPRECTS ) {
- if ( dev_priv->chipset == MGA_CARD_TYPE_G400 ) {
- mga_g400_emit_state( dev_priv );
- } else {
- mga_g200_emit_state( dev_priv );
- }
- }
- } while (0)
- #define LOCK_TEST_WITH_RETURN( dev )
- do {
- if ( !_DRM_LOCK_IS_HELD( dev->lock.hw_lock->lock ) ||
- dev->lock.pid != current->pid ) {
- DRM_ERROR( "%s called without lock heldn",
- __FUNCTION__ );
- return -EINVAL;
- }
- } while (0)
- #define WRAP_TEST_WITH_RETURN( dev_priv )
- do {
- if ( test_bit( 0, &dev_priv->prim.wrapped ) ) {
- if ( mga_is_idle( dev_priv ) ) {
- mga_do_dma_wrap_end( dev_priv );
- } else if ( dev_priv->prim.space <
- dev_priv->prim.high_mark ) {
- if ( MGA_DMA_DEBUG )
- DRM_INFO( __FUNCTION__": wrap...n" );
- return -EBUSY;
- }
- }
- } while (0)
- #define WRAP_WAIT_WITH_RETURN( dev_priv )
- do {
- if ( test_bit( 0, &dev_priv->prim.wrapped ) ) {
- if ( mga_do_wait_for_idle( dev_priv ) < 0 ) {
- if ( MGA_DMA_DEBUG )
- DRM_INFO( __FUNCTION__": wrap...n" );
- return -EBUSY;
- }
- mga_do_dma_wrap_end( dev_priv );
- }
- } while (0)
- /* ================================================================
- * Primary DMA command stream
- */
- #define MGA_VERBOSE 0
- #define DMA_LOCALS unsigned int write; volatile u8 *prim;
- #define DMA_BLOCK_SIZE (5 * sizeof(u32))
- #define BEGIN_DMA( n )
- do {
- if ( MGA_VERBOSE ) {
- DRM_INFO( "BEGIN_DMA( %d ) in %sn",
- (n), __FUNCTION__ );
- DRM_INFO( " space=0x%x req=0x%xn",
- dev_priv->prim.space, (n) * DMA_BLOCK_SIZE );
- }
- prim = dev_priv->prim.start;
- write = dev_priv->prim.tail;
- } while (0)
- #define BEGIN_DMA_WRAP()
- do {
- if ( MGA_VERBOSE ) {
- DRM_INFO( "BEGIN_DMA() in %sn", __FUNCTION__ );
- DRM_INFO( " space=0x%xn", dev_priv->prim.space );
- }
- prim = dev_priv->prim.start;
- write = dev_priv->prim.tail;
- } while (0)
- #define ADVANCE_DMA()
- do {
- dev_priv->prim.tail = write;
- if ( MGA_VERBOSE ) {
- DRM_INFO( "ADVANCE_DMA() tail=0x%05x sp=0x%xn",
- write, dev_priv->prim.space );
- }
- } while (0)
- #define FLUSH_DMA()
- do {
- if ( 0 ) {
- DRM_INFO( __FUNCTION__ ":n" );
- DRM_INFO( " tail=0x%06x head=0x%06lxn",
- dev_priv->prim.tail,
- MGA_READ( MGA_PRIMADDRESS ) -
- dev_priv->primary->offset );
- }
- if ( !test_bit( 0, &dev_priv->prim.wrapped ) ) {
- if ( dev_priv->prim.space <
- dev_priv->prim.high_mark ) {
- mga_do_dma_wrap_start( dev_priv );
- } else {
- mga_do_dma_flush( dev_priv );
- }
- }
- } while (0)
- /* Never use this, always use DMA_BLOCK(...) for primary DMA output.
- */
- #define DMA_WRITE( offset, val )
- do {
- if ( MGA_VERBOSE ) {
- DRM_INFO( " DMA_WRITE( 0x%08x ) at 0x%04xn",
- (u32)(val), write + (offset) * sizeof(u32) );
- }
- *(volatile u32 *)(prim + write + (offset) * sizeof(u32)) = val;
- } while (0)
- #define DMA_BLOCK( reg0, val0, reg1, val1, reg2, val2, reg3, val3 )
- do {
- DMA_WRITE( 0, ((DMAREG( reg0 ) << 0) |
- (DMAREG( reg1 ) << 8) |
- (DMAREG( reg2 ) << 16) |
- (DMAREG( reg3 ) << 24)) );
- DMA_WRITE( 1, val0 );
- DMA_WRITE( 2, val1 );
- DMA_WRITE( 3, val2 );
- DMA_WRITE( 4, val3 );
- write += DMA_BLOCK_SIZE;
- } while (0)
- /* Buffer aging via primary DMA stream head pointer.
- */
- #define SET_AGE( age, h, w )
- do {
- (age)->head = h;
- (age)->wrap = w;
- } while (0)
- #define TEST_AGE( age, h, w ) ( (age)->wrap < w ||
- ( (age)->wrap == w &&
- (age)->head < h ) )
- #define AGE_BUFFER( buf_priv )
- do {
- drm_mga_freelist_t *entry = (buf_priv)->list_entry;
- if ( (buf_priv)->dispatched ) {
- entry->age.head = (dev_priv->prim.tail +
- dev_priv->primary->offset);
- entry->age.wrap = dev_priv->sarea_priv->last_wrap;
- } else {
- entry->age.head = 0;
- entry->age.wrap = 0;
- }
- } while (0)
- #define MGA_ENGINE_IDLE_MASK (MGA_SOFTRAPEN |
- MGA_DWGENGSTS |
- MGA_ENDPRDMASTS)
- #define MGA_DMA_IDLE_MASK (MGA_SOFTRAPEN |
- MGA_ENDPRDMASTS)
- #define MGA_DMA_DEBUG 0
- /* A reduced set of the mga registers.
- */
- #define MGA_CRTC_INDEX 0x1fd4
- #define MGA_ALPHACTRL 0x2c7c
- #define MGA_AR0 0x1c60
- #define MGA_AR1 0x1c64
- #define MGA_AR2 0x1c68
- #define MGA_AR3 0x1c6c
- #define MGA_AR4 0x1c70
- #define MGA_AR5 0x1c74
- #define MGA_AR6 0x1c78
- #define MGA_CXBNDRY 0x1c80
- #define MGA_CXLEFT 0x1ca0
- #define MGA_CXRIGHT 0x1ca4
- #define MGA_DMAPAD 0x1c54
- #define MGA_DSTORG 0x2cb8
- #define MGA_DWGCTL 0x1c00
- # define MGA_OPCOD_MASK (15 << 0)
- # define MGA_OPCOD_TRAP (4 << 0)
- # define MGA_OPCOD_TEXTURE_TRAP (6 << 0)
- # define MGA_OPCOD_BITBLT (8 << 0)
- # define MGA_OPCOD_ILOAD (9 << 0)
- # define MGA_ATYPE_MASK (7 << 4)
- # define MGA_ATYPE_RPL (0 << 4)
- # define MGA_ATYPE_RSTR (1 << 4)
- # define MGA_ATYPE_ZI (3 << 4)
- # define MGA_ATYPE_BLK (4 << 4)
- # define MGA_ATYPE_I (7 << 4)
- # define MGA_LINEAR (1 << 7)
- # define MGA_ZMODE_MASK (7 << 8)
- # define MGA_ZMODE_NOZCMP (0 << 8)
- # define MGA_ZMODE_ZE (2 << 8)
- # define MGA_ZMODE_ZNE (3 << 8)
- # define MGA_ZMODE_ZLT (4 << 8)
- # define MGA_ZMODE_ZLTE (5 << 8)
- # define MGA_ZMODE_ZGT (6 << 8)
- # define MGA_ZMODE_ZGTE (7 << 8)
- # define MGA_SOLID (1 << 11)
- # define MGA_ARZERO (1 << 12)
- # define MGA_SGNZERO (1 << 13)
- # define MGA_SHIFTZERO (1 << 14)
- # define MGA_BOP_MASK (15 << 16)
- # define MGA_BOP_ZERO (0 << 16)
- # define MGA_BOP_DST (10 << 16)
- # define MGA_BOP_SRC (12 << 16)
- # define MGA_BOP_ONE (15 << 16)
- # define MGA_TRANS_SHIFT 20
- # define MGA_TRANS_MASK (15 << 20)
- # define MGA_BLTMOD_MASK (15 << 25)
- # define MGA_BLTMOD_BMONOLEF (0 << 25)
- # define MGA_BLTMOD_BMONOWF (4 << 25)
- # define MGA_BLTMOD_PLAN (1 << 25)
- # define MGA_BLTMOD_BFCOL (2 << 25)
- # define MGA_BLTMOD_BU32BGR (3 << 25)
- # define MGA_BLTMOD_BU32RGB (7 << 25)
- # define MGA_BLTMOD_BU24BGR (11 << 25)
- # define MGA_BLTMOD_BU24RGB (15 << 25)
- # define MGA_PATTERN (1 << 29)
- # define MGA_TRANSC (1 << 30)
- # define MGA_CLIPDIS (1 << 31)
- #define MGA_DWGSYNC 0x2c4c
- #define MGA_FCOL 0x1c24
- #define MGA_FIFOSTATUS 0x1e10
- #define MGA_FOGCOL 0x1cf4
- #define MGA_FXBNDRY 0x1c84
- #define MGA_FXLEFT 0x1ca8
- #define MGA_FXRIGHT 0x1cac
- #define MGA_ICLEAR 0x1e18
- # define MGA_SOFTRAPICLR (1 << 0)
- #define MGA_IEN 0x1e1c
- # define MGA_SOFTRAPIEN (1 << 0)
- #define MGA_LEN 0x1c5c
- #define MGA_MACCESS 0x1c04
- #define MGA_PITCH 0x1c8c
- #define MGA_PLNWT 0x1c1c
- #define MGA_PRIMADDRESS 0x1e58
- # define MGA_DMA_GENERAL (0 << 0)
- # define MGA_DMA_BLIT (1 << 0)
- # define MGA_DMA_VECTOR (2 << 0)
- # define MGA_DMA_VERTEX (3 << 0)
- #define MGA_PRIMEND 0x1e5c
- # define MGA_PRIMNOSTART (1 << 0)
- # define MGA_PAGPXFER (1 << 1)
- #define MGA_PRIMPTR 0x1e50
- # define MGA_PRIMPTREN0 (1 << 0)
- # define MGA_PRIMPTREN1 (1 << 1)
- #define MGA_RST 0x1e40
- # define MGA_SOFTRESET (1 << 0)
- # define MGA_SOFTEXTRST (1 << 1)
- #define MGA_SECADDRESS 0x2c40
- #define MGA_SECEND 0x2c44
- #define MGA_SETUPADDRESS 0x2cd0
- #define MGA_SETUPEND 0x2cd4
- #define MGA_SGN 0x1c58
- #define MGA_SOFTRAP 0x2c48
- #define MGA_SRCORG 0x2cb4
- # define MGA_SRMMAP_MASK (1 << 0)
- # define MGA_SRCMAP_FB (0 << 0)
- # define MGA_SRCMAP_SYSMEM (1 << 0)
- # define MGA_SRCACC_MASK (1 << 1)
- # define MGA_SRCACC_PCI (0 << 1)
- # define MGA_SRCACC_AGP (1 << 1)
- #define MGA_STATUS 0x1e14
- # define MGA_SOFTRAPEN (1 << 0)
- # define MGA_DWGENGSTS (1 << 16)
- # define MGA_ENDPRDMASTS (1 << 17)
- #define MGA_STENCIL 0x2cc8
- #define MGA_STENCILCTL 0x2ccc
- #define MGA_TDUALSTAGE0 0x2cf8
- #define MGA_TDUALSTAGE1 0x2cfc
- #define MGA_TEXBORDERCOL 0x2c5c
- #define MGA_TEXCTL 0x2c30
- #define MGA_TEXCTL2 0x2c3c
- # define MGA_DUALTEX (1 << 7)
- # define MGA_G400_TC2_MAGIC (1 << 15)
- # define MGA_MAP1_ENABLE (1 << 31)
- #define MGA_TEXFILTER 0x2c58
- #define MGA_TEXHEIGHT 0x2c2c
- #define MGA_TEXORG 0x2c24
- # define MGA_TEXORGMAP_MASK (1 << 0)
- # define MGA_TEXORGMAP_FB (0 << 0)
- # define MGA_TEXORGMAP_SYSMEM (1 << 0)
- # define MGA_TEXORGACC_MASK (1 << 1)
- # define MGA_TEXORGACC_PCI (0 << 1)
- # define MGA_TEXORGACC_AGP (1 << 1)
- #define MGA_TEXORG1 0x2ca4
- #define MGA_TEXORG2 0x2ca8
- #define MGA_TEXORG3 0x2cac
- #define MGA_TEXORG4 0x2cb0
- #define MGA_TEXTRANS 0x2c34
- #define MGA_TEXTRANSHIGH 0x2c38
- #define MGA_TEXWIDTH 0x2c28
- #define MGA_WACCEPTSEQ 0x1dd4
- #define MGA_WCODEADDR 0x1e6c
- #define MGA_WFLAG 0x1dc4
- #define MGA_WFLAG1 0x1de0
- #define MGA_WFLAGNB 0x1e64
- #define MGA_WFLAGNB1 0x1e08
- #define MGA_WGETMSB 0x1dc8
- #define MGA_WIADDR 0x1dc0
- #define MGA_WIADDR2 0x1dd8
- # define MGA_WMODE_SUSPEND (0 << 0)
- # define MGA_WMODE_RESUME (1 << 0)
- # define MGA_WMODE_JUMP (2 << 0)
- # define MGA_WMODE_START (3 << 0)
- # define MGA_WAGP_ENABLE (1 << 2)
- #define MGA_WMISC 0x1e70
- # define MGA_WUCODECACHE_ENABLE (1 << 0)
- # define MGA_WMASTER_ENABLE (1 << 1)
- # define MGA_WCACHEFLUSH_ENABLE (1 << 3)
- #define MGA_WVRTXSZ 0x1dcc
- #define MGA_YBOT 0x1c9c
- #define MGA_YDST 0x1c90
- #define MGA_YDSTLEN 0x1c88
- #define MGA_YDSTORG 0x1c94
- #define MGA_YTOP 0x1c98
- #define MGA_ZORG 0x1c0c
- /* This finishes the current batch of commands
- */
- #define MGA_EXEC 0x0100
- /* Warp registers
- */
- #define MGA_WR0 0x2d00
- #define MGA_WR1 0x2d04
- #define MGA_WR2 0x2d08
- #define MGA_WR3 0x2d0c
- #define MGA_WR4 0x2d10
- #define MGA_WR5 0x2d14
- #define MGA_WR6 0x2d18
- #define MGA_WR7 0x2d1c
- #define MGA_WR8 0x2d20
- #define MGA_WR9 0x2d24
- #define MGA_WR10 0x2d28
- #define MGA_WR11 0x2d2c
- #define MGA_WR12 0x2d30
- #define MGA_WR13 0x2d34
- #define MGA_WR14 0x2d38
- #define MGA_WR15 0x2d3c
- #define MGA_WR16 0x2d40
- #define MGA_WR17 0x2d44
- #define MGA_WR18 0x2d48
- #define MGA_WR19 0x2d4c
- #define MGA_WR20 0x2d50
- #define MGA_WR21 0x2d54
- #define MGA_WR22 0x2d58
- #define MGA_WR23 0x2d5c
- #define MGA_WR24 0x2d60
- #define MGA_WR25 0x2d64
- #define MGA_WR26 0x2d68
- #define MGA_WR27 0x2d6c
- #define MGA_WR28 0x2d70
- #define MGA_WR29 0x2d74
- #define MGA_WR30 0x2d78
- #define MGA_WR31 0x2d7c
- #define MGA_WR32 0x2d80
- #define MGA_WR33 0x2d84
- #define MGA_WR34 0x2d88
- #define MGA_WR35 0x2d8c
- #define MGA_WR36 0x2d90
- #define MGA_WR37 0x2d94
- #define MGA_WR38 0x2d98
- #define MGA_WR39 0x2d9c
- #define MGA_WR40 0x2da0
- #define MGA_WR41 0x2da4
- #define MGA_WR42 0x2da8
- #define MGA_WR43 0x2dac
- #define MGA_WR44 0x2db0
- #define MGA_WR45 0x2db4
- #define MGA_WR46 0x2db8
- #define MGA_WR47 0x2dbc
- #define MGA_WR48 0x2dc0
- #define MGA_WR49 0x2dc4
- #define MGA_WR50 0x2dc8
- #define MGA_WR51 0x2dcc
- #define MGA_WR52 0x2dd0
- #define MGA_WR53 0x2dd4
- #define MGA_WR54 0x2dd8
- #define MGA_WR55 0x2ddc
- #define MGA_WR56 0x2de0
- #define MGA_WR57 0x2de4
- #define MGA_WR58 0x2de8
- #define MGA_WR59 0x2dec
- #define MGA_WR60 0x2df0
- #define MGA_WR61 0x2df4
- #define MGA_WR62 0x2df8
- #define MGA_WR63 0x2dfc
- # define MGA_G400_WR_MAGIC (1 << 6)
- # define MGA_G400_WR56_MAGIC 0x46480000 /* 12800.0f */
- #define MGA_ILOAD_ALIGN 64
- #define MGA_ILOAD_MASK (MGA_ILOAD_ALIGN - 1)
- #define MGA_DWGCTL_FLUSH (MGA_OPCOD_TEXTURE_TRAP |
- MGA_ATYPE_I |
- MGA_ZMODE_NOZCMP |
- MGA_ARZERO |
- MGA_SGNZERO |
- MGA_BOP_SRC |
- (15 << MGA_TRANS_SHIFT))
- #define MGA_DWGCTL_CLEAR (MGA_OPCOD_TRAP |
- MGA_ZMODE_NOZCMP |
- MGA_SOLID |
- MGA_ARZERO |
- MGA_SGNZERO |
- MGA_SHIFTZERO |
- MGA_BOP_SRC |
- (0 << MGA_TRANS_SHIFT) |
- MGA_BLTMOD_BMONOLEF |
- MGA_TRANSC |
- MGA_CLIPDIS)
- #define MGA_DWGCTL_COPY (MGA_OPCOD_BITBLT |
- MGA_ATYPE_RPL |
- MGA_SGNZERO |
- MGA_SHIFTZERO |
- MGA_BOP_SRC |
- (0 << MGA_TRANS_SHIFT) |
- MGA_BLTMOD_BFCOL |
- MGA_CLIPDIS)
- /* Simple idle test.
- */
- static inline int mga_is_idle( drm_mga_private_t *dev_priv )
- {
- u32 status = MGA_READ( MGA_STATUS ) & MGA_ENGINE_IDLE_MASK;
- return ( status == MGA_ENDPRDMASTS );
- }
- #endif