mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 12:43:55 +08:00
91ad120353
With a postfix decrement t reaches -1 on timeout which results in a return of 0. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Cc: Krzysztof Helt <krzysztof.h1@poczta.fm> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
584 lines
19 KiB
C
584 lines
19 KiB
C
/* $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
|
|
|
|
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) */
|
|
|