📄 mga_drv.h
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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_CRTC_DATA 0x1fd5/* CRTC11 */#define MGA_VINTCLR (1 << 4)#define MGA_VINTEN (1 << 5)#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_VLINEICLR (1 << 5)#define MGA_IEN 0x1e1c# define MGA_SOFTRAPIEN (1 << 0)# define MGA_VLINEIEN (1 << 5)#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_VSYNCPEN (1 << 4)# define MGA_VLINEPEN (1 << 5)# 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/* AGP PLL encoding (for G200 only). */#define MGA_AGP_PLL 0x1e4c# define MGA_AGP2XPLL_DISABLE (0 << 0)# define MGA_AGP2XPLL_ENABLE (1 << 0)/* 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⌨️ 快捷键说明
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