| /* $Id: newport.h,v 1.5 1999/08/04 06:01:51 ulfc Exp $ |
| * |
| * newport.h: Defines and register layout for NEWPORT graphics |
| * hardware. |
| * |
| * Copyright (C) 1996 David S. Miller (davem@davemloft.net) |
| * |
| * Ulf Carlsson - Compatibility with the IRIX structures added |
| */ |
| |
| #ifndef _SGI_NEWPORT_H |
| #define _SGI_NEWPORT_H |
| |
| |
| typedef volatile unsigned int npireg_t; |
| |
| union npfloat { |
| volatile float flt; |
| npireg_t word; |
| }; |
| |
| typedef union npfloat npfreg_t; |
| |
| union np_dcb { |
| npireg_t byword; |
| struct { volatile unsigned short s0, s1; } byshort; |
| struct { volatile unsigned char b0, b1, b2, b3; } bybytes; |
| }; |
| |
| struct newport_rexregs { |
| npireg_t drawmode1; /* GL extra mode bits */ |
| |
| #define DM1_PLANES 0x00000007 |
| #define DM1_NOPLANES 0x00000000 |
| #define DM1_RGBPLANES 0x00000001 |
| #define DM1_RGBAPLANES 0x00000002 |
| #define DM1_OLAYPLANES 0x00000004 |
| #define DM1_PUPPLANES 0x00000005 |
| #define DM1_CIDPLANES 0x00000006 |
| |
| #define NPORT_DMODE1_DDMASK 0x00000018 |
| #define NPORT_DMODE1_DD4 0x00000000 |
| #define NPORT_DMODE1_DD8 0x00000008 |
| #define NPORT_DMODE1_DD12 0x00000010 |
| #define NPORT_DMODE1_DD24 0x00000018 |
| #define NPORT_DMODE1_DSRC 0x00000020 |
| #define NPORT_DMODE1_YFLIP 0x00000040 |
| #define NPORT_DMODE1_RWPCKD 0x00000080 |
| #define NPORT_DMODE1_HDMASK 0x00000300 |
| #define NPORT_DMODE1_HD4 0x00000000 |
| #define NPORT_DMODE1_HD8 0x00000100 |
| #define NPORT_DMODE1_HD12 0x00000200 |
| #define NPORT_DMODE1_HD32 0x00000300 |
| #define NPORT_DMODE1_RWDBL 0x00000400 |
| #define NPORT_DMODE1_ESWAP 0x00000800 /* Endian swap */ |
| #define NPORT_DMODE1_CCMASK 0x00007000 |
| #define NPORT_DMODE1_CCLT 0x00001000 |
| #define NPORT_DMODE1_CCEQ 0x00002000 |
| #define NPORT_DMODE1_CCGT 0x00004000 |
| #define NPORT_DMODE1_RGBMD 0x00008000 |
| #define NPORT_DMODE1_DENAB 0x00010000 /* Dither enable */ |
| #define NPORT_DMODE1_FCLR 0x00020000 /* Fast clear */ |
| #define NPORT_DMODE1_BENAB 0x00040000 /* Blend enable */ |
| #define NPORT_DMODE1_SFMASK 0x00380000 |
| #define NPORT_DMODE1_SF0 0x00000000 |
| #define NPORT_DMODE1_SF1 0x00080000 |
| #define NPORT_DMODE1_SFDC 0x00100000 |
| #define NPORT_DMODE1_SFMDC 0x00180000 |
| #define NPORT_DMODE1_SFSA 0x00200000 |
| #define NPORT_DMODE1_SFMSA 0x00280000 |
| #define NPORT_DMODE1_DFMASK 0x01c00000 |
| #define NPORT_DMODE1_DF0 0x00000000 |
| #define NPORT_DMODE1_DF1 0x00400000 |
| #define NPORT_DMODE1_DFSC 0x00800000 |
| #define NPORT_DMODE1_DFMSC 0x00c00000 |
| #define NPORT_DMODE1_DFSA 0x01000000 |
| #define NPORT_DMODE1_DFMSA 0x01400000 |
| #define NPORT_DMODE1_BBENAB 0x02000000 /* Back blend enable */ |
| #define NPORT_DMODE1_PFENAB 0x04000000 /* Pre-fetch enable */ |
| #define NPORT_DMODE1_ABLEND 0x08000000 /* Alpha blend */ |
| #define NPORT_DMODE1_LOMASK 0xf0000000 |
| #define NPORT_DMODE1_LOZERO 0x00000000 |
| #define NPORT_DMODE1_LOAND 0x10000000 |
| #define NPORT_DMODE1_LOANDR 0x20000000 |
| #define NPORT_DMODE1_LOSRC 0x30000000 |
| #define NPORT_DMODE1_LOANDI 0x40000000 |
| #define NPORT_DMODE1_LODST 0x50000000 |
| #define NPORT_DMODE1_LOXOR 0x60000000 |
| #define NPORT_DMODE1_LOOR 0x70000000 |
| #define NPORT_DMODE1_LONOR 0x80000000 |
| #define NPORT_DMODE1_LOXNOR 0x90000000 |
| #define NPORT_DMODE1_LONDST 0xa0000000 |
| #define NPORT_DMODE1_LOORR 0xb0000000 |
| #define NPORT_DMODE1_LONSRC 0xc0000000 |
| #define NPORT_DMODE1_LOORI 0xd0000000 |
| #define NPORT_DMODE1_LONAND 0xe0000000 |
| #define NPORT_DMODE1_LOONE 0xf0000000 |
| |
| npireg_t drawmode0; /* REX command register */ |
| |
| /* These bits define the graphics opcode being performed. */ |
| #define NPORT_DMODE0_OPMASK 0x00000003 /* Opcode mask */ |
| #define NPORT_DMODE0_NOP 0x00000000 /* No operation */ |
| #define NPORT_DMODE0_RD 0x00000001 /* Read operation */ |
| #define NPORT_DMODE0_DRAW 0x00000002 /* Draw operation */ |
| #define NPORT_DMODE0_S2S 0x00000003 /* Screen to screen operation */ |
| |
| /* The following decide what addressing mode(s) are to be used */ |
| #define NPORT_DMODE0_AMMASK 0x0000001c /* Address mode mask */ |
| #define NPORT_DMODE0_SPAN 0x00000000 /* Spanning address mode */ |
| #define NPORT_DMODE0_BLOCK 0x00000004 /* Block address mode */ |
| #define NPORT_DMODE0_ILINE 0x00000008 /* Iline address mode */ |
| #define NPORT_DMODE0_FLINE 0x0000000c /* Fline address mode */ |
| #define NPORT_DMODE0_ALINE 0x00000010 /* Aline address mode */ |
| #define NPORT_DMODE0_TLINE 0x00000014 /* Tline address mode */ |
| #define NPORT_DMODE0_BLINE 0x00000018 /* Bline address mode */ |
| |
| /* And now some misc. operation control bits. */ |
| #define NPORT_DMODE0_DOSETUP 0x00000020 |
| #define NPORT_DMODE0_CHOST 0x00000040 |
| #define NPORT_DMODE0_AHOST 0x00000080 |
| #define NPORT_DMODE0_STOPX 0x00000100 |
| #define NPORT_DMODE0_STOPY 0x00000200 |
| #define NPORT_DMODE0_SK1ST 0x00000400 |
| #define NPORT_DMODE0_SKLST 0x00000800 |
| #define NPORT_DMODE0_ZPENAB 0x00001000 |
| #define NPORT_DMODE0_LISPENAB 0x00002000 |
| #define NPORT_DMODE0_LISLST 0x00004000 |
| #define NPORT_DMODE0_L32 0x00008000 |
| #define NPORT_DMODE0_ZOPQ 0x00010000 |
| #define NPORT_DMODE0_LISOPQ 0x00020000 |
| #define NPORT_DMODE0_SHADE 0x00040000 |
| #define NPORT_DMODE0_LRONLY 0x00080000 |
| #define NPORT_DMODE0_XYOFF 0x00100000 |
| #define NPORT_DMODE0_CLAMP 0x00200000 |
| #define NPORT_DMODE0_ENDPF 0x00400000 |
| #define NPORT_DMODE0_YSTR 0x00800000 |
| |
| npireg_t lsmode; /* Mode for line stipple ops */ |
| npireg_t lspattern; /* Pattern for line stipple ops */ |
| npireg_t lspatsave; /* Backup save pattern */ |
| npireg_t zpattern; /* Pixel zpattern */ |
| npireg_t colorback; /* Background color */ |
| npireg_t colorvram; /* Clear color for fast vram */ |
| npireg_t alpharef; /* Reference value for afunctions */ |
| unsigned int pad0; |
| npireg_t smask0x; /* Window GL relative screen mask 0 */ |
| npireg_t smask0y; /* Window GL relative screen mask 0 */ |
| npireg_t _setup; |
| npireg_t _stepz; |
| npireg_t _lsrestore; |
| npireg_t _lssave; |
| |
| unsigned int _pad1[0x30]; |
| |
| /* Iterators, full state for context switch */ |
| npfreg_t _xstart; /* X-start point (current) */ |
| npfreg_t _ystart; /* Y-start point (current) */ |
| npfreg_t _xend; /* x-end point */ |
| npfreg_t _yend; /* y-end point */ |
| npireg_t xsave; /* copy of xstart integer value for BLOCk addressing MODE */ |
| npireg_t xymove; /* x.y offset from xstart, ystart for relative operations */ |
| npfreg_t bresd; |
| npfreg_t bress1; |
| npireg_t bresoctinc1; |
| volatile int bresrndinc2; |
| npireg_t brese1; |
| npireg_t bress2; |
| npireg_t aweight0; |
| npireg_t aweight1; |
| npfreg_t xstartf; |
| npfreg_t ystartf; |
| npfreg_t xendf; |
| npfreg_t yendf; |
| npireg_t xstarti; |
| npfreg_t xendf1; |
| npireg_t xystarti; |
| npireg_t xyendi; |
| npireg_t xstartendi; |
| |
| unsigned int _unused2[0x29]; |
| |
| npfreg_t colorred; |
| npfreg_t coloralpha; |
| npfreg_t colorgrn; |
| npfreg_t colorblue; |
| npfreg_t slopered; |
| npfreg_t slopealpha; |
| npfreg_t slopegrn; |
| npfreg_t slopeblue; |
| npireg_t wrmask; |
| npireg_t colori; |
| npfreg_t colorx; |
| npfreg_t slopered1; |
| npireg_t hostrw0; |
| npireg_t hostrw1; |
| npireg_t dcbmode; |
| #define NPORT_DMODE_WMASK 0x00000003 |
| #define NPORT_DMODE_W4 0x00000000 |
| #define NPORT_DMODE_W1 0x00000001 |
| #define NPORT_DMODE_W2 0x00000002 |
| #define NPORT_DMODE_W3 0x00000003 |
| #define NPORT_DMODE_EDPACK 0x00000004 |
| #define NPORT_DMODE_ECINC 0x00000008 |
| #define NPORT_DMODE_CMASK 0x00000070 |
| #define NPORT_DMODE_AMASK 0x00000780 |
| #define NPORT_DMODE_AVC2 0x00000000 |
| #define NPORT_DMODE_ACMALL 0x00000080 |
| #define NPORT_DMODE_ACM0 0x00000100 |
| #define NPORT_DMODE_ACM1 0x00000180 |
| #define NPORT_DMODE_AXMALL 0x00000200 |
| #define NPORT_DMODE_AXM0 0x00000280 |
| #define NPORT_DMODE_AXM1 0x00000300 |
| #define NPORT_DMODE_ABT 0x00000380 |
| #define NPORT_DMODE_AVCC1 0x00000400 |
| #define NPORT_DMODE_AVAB1 0x00000480 |
| #define NPORT_DMODE_ALG3V0 0x00000500 |
| #define NPORT_DMODE_A1562 0x00000580 |
| #define NPORT_DMODE_ESACK 0x00000800 |
| #define NPORT_DMODE_EASACK 0x00001000 |
| #define NPORT_DMODE_CWMASK 0x0003e000 |
| #define NPORT_DMODE_CHMASK 0x007c0000 |
| #define NPORT_DMODE_CSMASK 0x0f800000 |
| #define NPORT_DMODE_SENDIAN 0x10000000 |
| |
| unsigned int _unused3; |
| |
| union np_dcb dcbdata0; |
| npireg_t dcbdata1; |
| }; |
| |
| struct newport_cregs { |
| npireg_t smask1x; |
| npireg_t smask1y; |
| npireg_t smask2x; |
| npireg_t smask2y; |
| npireg_t smask3x; |
| npireg_t smask3y; |
| npireg_t smask4x; |
| npireg_t smask4y; |
| npireg_t topscan; |
| npireg_t xywin; |
| npireg_t clipmode; |
| #define NPORT_CMODE_SM0 0x00000001 |
| #define NPORT_CMODE_SM1 0x00000002 |
| #define NPORT_CMODE_SM2 0x00000004 |
| #define NPORT_CMODE_SM3 0x00000008 |
| #define NPORT_CMODE_SM4 0x00000010 |
| #define NPORT_CMODE_CMSK 0x00001e00 |
| |
| unsigned int _unused0; |
| unsigned int config; |
| #define NPORT_CFG_G32MD 0x00000001 |
| #define NPORT_CFG_BWIDTH 0x00000002 |
| #define NPORT_CFG_ERCVR 0x00000004 |
| #define NPORT_CFG_BDMSK 0x00000078 |
| #define NPORT_CFG_BFAINT 0x00000080 |
| #define NPORT_CFG_GDMSK 0x00001f80 |
| #define NPORT_CFG_GD0 0x00000100 |
| #define NPORT_CFG_GD1 0x00000200 |
| #define NPORT_CFG_GD2 0x00000400 |
| #define NPORT_CFG_GD3 0x00000800 |
| #define NPORT_CFG_GD4 0x00001000 |
| #define NPORT_CFG_GFAINT 0x00002000 |
| #define NPORT_CFG_TOMSK 0x0001c000 |
| #define NPORT_CFG_VRMSK 0x000e0000 |
| #define NPORT_CFG_FBTYP 0x00100000 |
| |
| npireg_t _unused1; |
| npireg_t status; |
| #define NPORT_STAT_VERS 0x00000007 |
| #define NPORT_STAT_GBUSY 0x00000008 |
| #define NPORT_STAT_BBUSY 0x00000010 |
| #define NPORT_STAT_VRINT 0x00000020 |
| #define NPORT_STAT_VIDINT 0x00000040 |
| #define NPORT_STAT_GLMSK 0x00001f80 |
| #define NPORT_STAT_BLMSK 0x0007e000 |
| #define NPORT_STAT_BFIRQ 0x00080000 |
| #define NPORT_STAT_GFIRQ 0x00100000 |
| |
| npireg_t ustatus; |
| npireg_t dcbreset; |
| }; |
| |
| struct newport_regs { |
| struct newport_rexregs set; |
| unsigned int _unused0[0x16e]; |
| struct newport_rexregs go; |
| unsigned int _unused1[0x22e]; |
| struct newport_cregs cset; |
| unsigned int _unused2[0x1ef]; |
| struct newport_cregs cgo; |
| }; |
| |
| typedef struct { |
| unsigned int drawmode1; |
| unsigned int drawmode0; |
| unsigned int lsmode; |
| unsigned int lspattern; |
| unsigned int lspatsave; |
| unsigned int zpattern; |
| unsigned int colorback; |
| unsigned int colorvram; |
| unsigned int alpharef; |
| unsigned int smask0x; |
| unsigned int smask0y; |
| unsigned int _xstart; |
| unsigned int _ystart; |
| unsigned int _xend; |
| unsigned int _yend; |
| unsigned int xsave; |
| unsigned int xymove; |
| unsigned int bresd; |
| unsigned int bress1; |
| unsigned int bresoctinc1; |
| unsigned int bresrndinc2; |
| unsigned int brese1; |
| unsigned int bress2; |
| |
| unsigned int aweight0; |
| unsigned int aweight1; |
| unsigned int colorred; |
| unsigned int coloralpha; |
| unsigned int colorgrn; |
| unsigned int colorblue; |
| unsigned int slopered; |
| unsigned int slopealpha; |
| unsigned int slopegrn; |
| unsigned int slopeblue; |
| unsigned int wrmask; |
| unsigned int hostrw0; |
| unsigned int hostrw1; |
| |
| /* configregs */ |
| |
| unsigned int smask1x; |
| unsigned int smask1y; |
| unsigned int smask2x; |
| unsigned int smask2y; |
| unsigned int smask3x; |
| unsigned int smask3y; |
| unsigned int smask4x; |
| unsigned int smask4y; |
| unsigned int topscan; |
| unsigned int xywin; |
| unsigned int clipmode; |
| unsigned int config; |
| |
| /* dcb registers */ |
| unsigned int dcbmode; |
| unsigned int dcbdata0; |
| unsigned int dcbdata1; |
| } newport_ctx; |
| |
| /* Reading/writing VC2 registers. */ |
| #define VC2_REGADDR_INDEX 0x00000000 |
| #define VC2_REGADDR_IREG 0x00000010 |
| #define VC2_REGADDR_RAM 0x00000030 |
| #define VC2_PROTOCOL (NPORT_DMODE_EASACK | 0x00800000 | 0x00040000) |
| |
| #define VC2_VLINET_ADDR 0x000 |
| #define VC2_VFRAMET_ADDR 0x400 |
| #define VC2_CGLYPH_ADDR 0x500 |
| |
| /* Now the Indexed registers of the VC2. */ |
| #define VC2_IREG_VENTRY 0x00 |
| #define VC2_IREG_CENTRY 0x01 |
| #define VC2_IREG_CURSX 0x02 |
| #define VC2_IREG_CURSY 0x03 |
| #define VC2_IREG_CCURSX 0x04 |
| #define VC2_IREG_DENTRY 0x05 |
| #define VC2_IREG_SLEN 0x06 |
| #define VC2_IREG_RADDR 0x07 |
| #define VC2_IREG_VFPTR 0x08 |
| #define VC2_IREG_VLSPTR 0x09 |
| #define VC2_IREG_VLIR 0x0a |
| #define VC2_IREG_VLCTR 0x0b |
| #define VC2_IREG_CTPTR 0x0c |
| #define VC2_IREG_WCURSY 0x0d |
| #define VC2_IREG_DFPTR 0x0e |
| #define VC2_IREG_DLTPTR 0x0f |
| #define VC2_IREG_CONTROL 0x10 |
| #define VC2_IREG_CONFIG 0x20 |
| |
| static inline void newport_vc2_set(struct newport_regs *regs, |
| unsigned char vc2ireg, |
| unsigned short val) |
| { |
| regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W3 | |
| NPORT_DMODE_ECINC | VC2_PROTOCOL); |
| regs->set.dcbdata0.byword = (vc2ireg << 24) | (val << 8); |
| } |
| |
| static inline unsigned short newport_vc2_get(struct newport_regs *regs, |
| unsigned char vc2ireg) |
| { |
| regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX | NPORT_DMODE_W1 | |
| NPORT_DMODE_ECINC | VC2_PROTOCOL); |
| regs->set.dcbdata0.bybytes.b3 = vc2ireg; |
| regs->set.dcbmode = (NPORT_DMODE_AVC2 | VC2_REGADDR_IREG | NPORT_DMODE_W2 | |
| NPORT_DMODE_ECINC | VC2_PROTOCOL); |
| return regs->set.dcbdata0.byshort.s1; |
| } |
| |
| /* VC2 Control register bits */ |
| #define VC2_CTRL_EVIRQ 0x0001 |
| #define VC2_CTRL_EDISP 0x0002 |
| #define VC2_CTRL_EVIDEO 0x0004 |
| #define VC2_CTRL_EDIDS 0x0008 |
| #define VC2_CTRL_ECURS 0x0010 |
| #define VC2_CTRL_EGSYNC 0x0020 |
| #define VC2_CTRL_EILACE 0x0040 |
| #define VC2_CTRL_ECDISP 0x0080 |
| #define VC2_CTRL_ECCURS 0x0100 |
| #define VC2_CTRL_ECG64 0x0200 |
| #define VC2_CTRL_GLSEL 0x0400 |
| |
| /* Controlling the color map on NEWPORT. */ |
| #define NCMAP_REGADDR_AREG 0x00000000 |
| #define NCMAP_REGADDR_ALO 0x00000000 |
| #define NCMAP_REGADDR_AHI 0x00000010 |
| #define NCMAP_REGADDR_PBUF 0x00000020 |
| #define NCMAP_REGADDR_CREG 0x00000030 |
| #define NCMAP_REGADDR_SREG 0x00000040 |
| #define NCMAP_REGADDR_RREG 0x00000060 |
| #define NCMAP_PROTOCOL (0x00008000 | 0x00040000 | 0x00800000) |
| |
| static __inline__ void newport_cmap_setaddr(struct newport_regs *regs, |
| unsigned short addr) |
| { |
| regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL | |
| NPORT_DMODE_SENDIAN | NPORT_DMODE_ECINC | |
| NCMAP_REGADDR_AREG | NPORT_DMODE_W2); |
| regs->set.dcbdata0.byshort.s1 = addr; |
| regs->set.dcbmode = (NPORT_DMODE_ACMALL | NCMAP_PROTOCOL | |
| NCMAP_REGADDR_PBUF | NPORT_DMODE_W3); |
| } |
| |
| static __inline__ void newport_cmap_setrgb(struct newport_regs *regs, |
| unsigned char red, |
| unsigned char green, |
| unsigned char blue) |
| { |
| regs->set.dcbdata0.byword = |
| (red << 24) | |
| (green << 16) | |
| (blue << 8); |
| } |
| |
| /* Miscellaneous NEWPORT routines. */ |
| #define BUSY_TIMEOUT 100000 |
| static __inline__ int newport_wait(struct newport_regs *regs) |
| { |
| int t = BUSY_TIMEOUT; |
| |
| while (--t) |
| if (!(regs->cset.status & NPORT_STAT_GBUSY)) |
| break; |
| return !t; |
| } |
| |
| static __inline__ int newport_bfwait(struct newport_regs *regs) |
| { |
| int t = BUSY_TIMEOUT; |
| |
| while (--t) |
| if(!(regs->cset.status & NPORT_STAT_BBUSY)) |
| break; |
| return !t; |
| } |
| |
| /* |
| * DCBMODE register defines: |
| */ |
| |
| /* Width of the data being transferred for each DCBDATA[01] word */ |
| #define DCB_DATAWIDTH_4 0x0 |
| #define DCB_DATAWIDTH_1 0x1 |
| #define DCB_DATAWIDTH_2 0x2 |
| #define DCB_DATAWIDTH_3 0x3 |
| |
| /* If set, all of DCBDATA will be moved, otherwise only DATAWIDTH bytes */ |
| #define DCB_ENDATAPACK (1 << 2) |
| |
| /* Enables DCBCRS auto increment after each DCB transfer */ |
| #define DCB_ENCRSINC (1 << 3) |
| |
| /* shift for accessing the control register select address (DBCCRS, 3 bits) */ |
| #define DCB_CRS_SHIFT 4 |
| |
| /* DCBADDR (4 bits): display bus slave address */ |
| #define DCB_ADDR_SHIFT 7 |
| #define DCB_VC2 (0 << DCB_ADDR_SHIFT) |
| #define DCB_CMAP_ALL (1 << DCB_ADDR_SHIFT) |
| #define DCB_CMAP0 (2 << DCB_ADDR_SHIFT) |
| #define DCB_CMAP1 (3 << DCB_ADDR_SHIFT) |
| #define DCB_XMAP_ALL (4 << DCB_ADDR_SHIFT) |
| #define DCB_XMAP0 (5 << DCB_ADDR_SHIFT) |
| #define DCB_XMAP1 (6 << DCB_ADDR_SHIFT) |
| #define DCB_BT445 (7 << DCB_ADDR_SHIFT) |
| #define DCB_VCC1 (8 << DCB_ADDR_SHIFT) |
| #define DCB_VAB1 (9 << DCB_ADDR_SHIFT) |
| #define DCB_LG3_BDVERS0 (10 << DCB_ADDR_SHIFT) |
| #define DCB_LG3_ICS1562 (11 << DCB_ADDR_SHIFT) |
| #define DCB_RESERVED (15 << DCB_ADDR_SHIFT) |
| |
| /* DCB protocol ack types */ |
| #define DCB_ENSYNCACK (1 << 11) |
| #define DCB_ENASYNCACK (1 << 12) |
| |
| #define DCB_CSWIDTH_SHIFT 13 |
| #define DCB_CSHOLD_SHIFT 18 |
| #define DCB_CSSETUP_SHIFT 23 |
| |
| /* XMAP9 specific defines */ |
| /* XMAP9 -- registers as seen on the DCBMODE register*/ |
| # define XM9_CRS_CONFIG (0 << DCB_CRS_SHIFT) |
| # define XM9_PUPMODE (1 << 0) |
| # define XM9_ODD_PIXEL (1 << 1) |
| # define XM9_8_BITPLANES (1 << 2) |
| # define XM9_SLOW_DCB (1 << 3) |
| # define XM9_VIDEO_RGBMAP_MASK (3 << 4) |
| # define XM9_EXPRESS_VIDEO (1 << 6) |
| # define XM9_VIDEO_OPTION (1 << 7) |
| # define XM9_CRS_REVISION (1 << DCB_CRS_SHIFT) |
| # define XM9_CRS_FIFO_AVAIL (2 << DCB_CRS_SHIFT) |
| # define XM9_FIFO_0_AVAIL 0 |
| # define XM9_FIFO_1_AVAIL 1 |
| # define XM9_FIFO_2_AVAIL 3 |
| # define XM9_FIFO_3_AVAIL 2 |
| # define XM9_FIFO_FULL XM9_FIFO_0_AVAIL |
| # define XM9_FIFO_EMPTY XM9_FIFO_3_AVAIL |
| # define XM9_CRS_CURS_CMAP_MSB (3 << DCB_CRS_SHIFT) |
| # define XM9_CRS_PUP_CMAP_MSB (4 << DCB_CRS_SHIFT) |
| # define XM9_CRS_MODE_REG_DATA (5 << DCB_CRS_SHIFT) |
| # define XM9_CRS_MODE_REG_INDEX (7 << DCB_CRS_SHIFT) |
| |
| |
| #define DCB_CYCLES(setup,hold,width) \ |
| ((hold << DCB_CSHOLD_SHIFT) | \ |
| (setup << DCB_CSSETUP_SHIFT)| \ |
| (width << DCB_CSWIDTH_SHIFT)) |
| |
| #define W_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 0) |
| #define WSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (5, 5, 0) |
| #define WAYSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (12, 12, 0) |
| #define R_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 3) |
| |
| static __inline__ void |
| xmap9FIFOWait (struct newport_regs *rex) |
| { |
| rex->set.dcbmode = DCB_XMAP0 | XM9_CRS_FIFO_AVAIL | |
| DCB_DATAWIDTH_1 | R_DCB_XMAP9_PROTOCOL; |
| newport_bfwait (rex); |
| |
| while ((rex->set.dcbdata0.bybytes.b3 & 3) != XM9_FIFO_EMPTY) |
| ; |
| } |
| |
| static __inline__ void |
| xmap9SetModeReg (struct newport_regs *rex, unsigned int modereg, unsigned int data24, int cfreq) |
| { |
| if (cfreq > 119) |
| rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA | |
| DCB_DATAWIDTH_4 | W_DCB_XMAP9_PROTOCOL; |
| else if (cfreq > 59) |
| rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA | |
| DCB_DATAWIDTH_4 | WSLOW_DCB_XMAP9_PROTOCOL; |
| else |
| rex->set.dcbmode = DCB_XMAP_ALL | XM9_CRS_MODE_REG_DATA | |
| DCB_DATAWIDTH_4 | WAYSLOW_DCB_XMAP9_PROTOCOL; |
| rex->set.dcbdata0.byword = ((modereg) << 24) | (data24 & 0xffffff); |
| } |
| |
| #define BT445_PROTOCOL DCB_CYCLES(1,1,3) |
| |
| #define BT445_CSR_ADDR_REG (0 << DCB_CRS_SHIFT) |
| #define BT445_CSR_REVISION (2 << DCB_CRS_SHIFT) |
| |
| #define BT445_REVISION_REG 0x01 |
| |
| #endif /* !(_SGI_NEWPORT_H) */ |
| |