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-rw-r--r--include/video/newport.h582
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diff --git a/include/video/newport.h b/include/video/newport.h
new file mode 100644
index 000000000000..812dac5b55f4
--- /dev/null
+++ b/include/video/newport.h
@@ -0,0 +1,582 @@
+/* $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 (dm@engr.sgi.com)
+ *
+ * Ulf Carlsson - Compability 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
+
+extern __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);
+}
+
+extern __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) */
+