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/* SPDX-License-Identifier: GPL-2.0 */ /* $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) */