diff options
Diffstat (limited to 'shared/mga_drv.h')
| -rw-r--r-- | shared/mga_drv.h | 631 |
1 files changed, 631 insertions, 0 deletions
diff --git a/shared/mga_drv.h b/shared/mga_drv.h new file mode 100644 index 00000000..51bc706e --- /dev/null +++ b/shared/mga_drv.h @@ -0,0 +1,631 @@ +/* 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; + int wrapped; + + volatile u32 *status; + + u32 last_flush; + u32 last_wrap; + + u32 high_mark; +} 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( DRM_IOCTL_ARGS ); +extern int mga_dma_flush( DRM_IOCTL_ARGS ); +extern int mga_dma_reset( DRM_IOCTL_ARGS ); +extern int mga_dma_buffers( DRM_IOCTL_ARGS ); + +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( DRM_IOCTL_ARGS ); +extern int mga_dma_swap( DRM_IOCTL_ARGS ); +extern int mga_dma_vertex( DRM_IOCTL_ARGS ); +extern int mga_dma_indices( DRM_IOCTL_ARGS ); +extern int mga_dma_iload( DRM_IOCTL_ARGS ); +extern int mga_dma_blit( DRM_IOCTL_ARGS ); + + /* 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() DRM_WRITEMEMORYBARRIER() + + +#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 { DRM_WRITEMEMORYBARRIER(); MGA_DEREF( reg ) = val; } while (0) +#define MGA_WRITE8( reg, val ) do { DRM_WRITEMEMORYBARRIER(); MGA_DEREF8( reg ) = val; } while (0) + +static inline u32 _MGA_READ(u32 *addr) +{ + DRM_READMEMORYBARRIER(); + 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 != DRM_CURRENTPID ) { \ + DRM_ERROR( "%s called without lock held\n", \ + __func__ ); \ + return DRM_ERR(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( "%s: wrap...\n", __func__ ); \ + return DRM_ERR(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( "%s: wrap...\n", __func__ ); \ + return DRM_ERR(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 %s\n", \ + (n), __func__ ); \ + DRM_INFO( " space=0x%x req=0x%x\n", \ + 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 %s\n", __func__ ); \ + DRM_INFO( " space=0x%x\n", 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%x\n", \ + write, dev_priv->prim.space ); \ + } \ +} while (0) + +#define FLUSH_DMA() \ +do { \ + if ( 0 ) { \ + DRM_INFO( "%s:\n", __func__ ); \ + DRM_INFO( " tail=0x%06x head=0x%06lx\n", \ + 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%04x\n", \ + (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 |