/* 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 */ #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 long 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( 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 held\n", \ __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( "%s: wrap...\n", __FUNCTION__ ); \ 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( "%s: wrap...\n", __FUNCTION__ ); \ 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 %s\n", \ (n), __FUNCTION__ ); \ 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", __FUNCTION__ ); \ 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", __FUNCTION__ ); \ 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