cefc849a95
all screen implementations use a Memimage* internally for the framebuffer, so we can return a shared reference to its Memdata structure in attachscreen() instead of a framebuffer data pointer. this eleminates the softscreen == 0xa110c hack as we always use shared Memdata* now.
671 lines
19 KiB
C
671 lines
19 KiB
C
#include "u.h"
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#include "../port/lib.h"
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#include "mem.h"
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#include "dat.h"
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#include "fns.h"
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#include "io.h"
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#include "../port/error.h"
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#define Image IMAGE
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#include <draw.h>
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#include <memdraw.h>
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#include <cursor.h>
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#include "screen.h"
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/*
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* Register constant below from XFree86 driver.
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*/
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#define DM1_PLANES 0x00000007
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#define DM1_NOPLANES 0x00000000
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#define DM1_RGBPLANES 0x00000001
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#define DM1_RGBAPLANES 0x00000002
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#define DM1_OLAYPLANES 0x00000004
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#define DM1_PUPPLANES 0x00000005
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#define DM1_CIDPLANES 0x00000006
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#define NPORT_DMODE1_DDMASK 0x00000018
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#define NPORT_DMODE1_DD4 0x00000000
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#define NPORT_DMODE1_DD8 0x00000008
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#define NPORT_DMODE1_DD12 0x00000010
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#define NPORT_DMODE1_DD24 0x00000018
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#define NPORT_DMODE1_DSRC 0x00000020
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#define NPORT_DMODE1_YFLIP 0x00000040
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#define NPORT_DMODE1_RWPCKD 0x00000080
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#define NPORT_DMODE1_HDMASK 0x00000300
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#define NPORT_DMODE1_HD4 0x00000000
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#define NPORT_DMODE1_HD8 0x00000100
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#define NPORT_DMODE1_HD12 0x00000200
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#define NPORT_DMODE1_HD32 0x00000300
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#define NPORT_DMODE1_RWDBL 0x00000400
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#define NPORT_DMODE1_ESWAP 0x00000800 /* Endian swap */
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#define NPORT_DMODE1_CCMASK 0x00007000
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#define NPORT_DMODE1_CCLT 0x00001000
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#define NPORT_DMODE1_CCEQ 0x00002000
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#define NPORT_DMODE1_CCGT 0x00004000
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#define NPORT_DMODE1_RGBMD 0x00008000
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#define NPORT_DMODE1_DENAB 0x00010000 /* Dither enable */
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#define NPORT_DMODE1_FCLR 0x00020000 /* Fast clear */
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#define NPORT_DMODE1_BENAB 0x00040000 /* Blend enable */
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#define NPORT_DMODE1_SFMASK 0x00380000
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#define NPORT_DMODE1_SF0 0x00000000
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#define NPORT_DMODE1_SF1 0x00080000
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#define NPORT_DMODE1_SFDC 0x00100000
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#define NPORT_DMODE1_SFMDC 0x00180000
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#define NPORT_DMODE1_SFSA 0x00200000
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#define NPORT_DMODE1_SFMSA 0x00280000
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#define NPORT_DMODE1_DFMASK 0x01c00000
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#define NPORT_DMODE1_DF0 0x00000000
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#define NPORT_DMODE1_DF1 0x00400000
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#define NPORT_DMODE1_DFSC 0x00800000
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#define NPORT_DMODE1_DFMSC 0x00c00000
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#define NPORT_DMODE1_DFSA 0x01000000
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#define NPORT_DMODE1_DFMSA 0x01400000
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#define NPORT_DMODE1_BBENAB 0x02000000 /* Back blend enable */
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#define NPORT_DMODE1_PFENAB 0x04000000 /* Pre-fetch enable */
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#define NPORT_DMODE1_ABLEND 0x08000000 /* Alpha blend */
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#define NPORT_DMODE1_LOMASK 0xf0000000
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#define NPORT_DMODE1_LOZERO 0x00000000
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#define NPORT_DMODE1_LOAND 0x10000000
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#define NPORT_DMODE1_LOANDR 0x20000000
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#define NPORT_DMODE1_LOSRC 0x30000000
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#define NPORT_DMODE1_LOANDI 0x40000000
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#define NPORT_DMODE1_LODST 0x50000000
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#define NPORT_DMODE1_LOXOR 0x60000000
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#define NPORT_DMODE1_LOOR 0x70000000
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#define NPORT_DMODE1_LONOR 0x80000000
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#define NPORT_DMODE1_LOXNOR 0x90000000
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#define NPORT_DMODE1_LONDST 0xa0000000
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#define NPORT_DMODE1_LOORR 0xb0000000
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#define NPORT_DMODE1_LONSRC 0xc0000000
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#define NPORT_DMODE1_LOORI 0xd0000000
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#define NPORT_DMODE1_LONAND 0xe0000000
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#define NPORT_DMODE1_LOONE 0xf0000000
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/* These bits define the graphics opcode being performed. */
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#define NPORT_DMODE0_OPMASK 0x00000003 /* Opcode mask */
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#define NPORT_DMODE0_NOP 0x00000000 /* No operation */
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#define NPORT_DMODE0_RD 0x00000001 /* Read operation */
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#define NPORT_DMODE0_DRAW 0x00000002 /* Draw operation */
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#define NPORT_DMODE0_S2S 0x00000003 /* Screen to screen operation */
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/* The following decide what addressing mode(s) are to be used */
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#define NPORT_DMODE0_AMMASK 0x0000001c /* Address mode mask */
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#define NPORT_DMODE0_SPAN 0x00000000 /* Spanning address mode */
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#define NPORT_DMODE0_BLOCK 0x00000004 /* Block address mode */
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#define NPORT_DMODE0_ILINE 0x00000008 /* Iline address mode */
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#define NPORT_DMODE0_FLINE 0x0000000c /* Fline address mode */
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#define NPORT_DMODE0_ALINE 0x00000010 /* Aline address mode */
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#define NPORT_DMODE0_TLINE 0x00000014 /* Tline address mode */
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#define NPORT_DMODE0_BLINE 0x00000018 /* Bline address mode */
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/* And now some misc. operation control bits. */
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#define NPORT_DMODE0_DOSETUP 0x00000020
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#define NPORT_DMODE0_CHOST 0x00000040
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#define NPORT_DMODE0_AHOST 0x00000080
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#define NPORT_DMODE0_STOPX 0x00000100
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#define NPORT_DMODE0_STOPY 0x00000200
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#define NPORT_DMODE0_SK1ST 0x00000400
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#define NPORT_DMODE0_SKLST 0x00000800
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#define NPORT_DMODE0_ZPENAB 0x00001000
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#define NPORT_DMODE0_LISPENAB 0x00002000
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#define NPORT_DMODE0_LISLST 0x00004000
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#define NPORT_DMODE0_L32 0x00008000
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#define NPORT_DMODE0_ZOPQ 0x00010000
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#define NPORT_DMODE0_LISOPQ 0x00020000
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#define NPORT_DMODE0_SHADE 0x00040000
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#define NPORT_DMODE0_LRONLY 0x00080000
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#define NPORT_DMODE0_XYOFF 0x00100000
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#define NPORT_DMODE0_CLAMP 0x00200000
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#define NPORT_DMODE0_ENDPF 0x00400000
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#define NPORT_DMODE0_YSTR 0x00800000
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#define NPORT_LSMODE_REPMASK 0x0000ff00
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#define NPORT_LSMODE_LENMASK 0x0f000000
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#define NPORT_DMODE_WMASK 0x00000003 /* dataWidth of data being transfered */
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#define NPORT_DMODE_W4 0x00000000
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#define NPORT_DMODE_W1 0x00000001
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#define NPORT_DMODE_W2 0x00000002
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#define NPORT_DMODE_W3 0x00000003
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#define NPORT_DMODE_EDPACK 0x00000004
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#define NPORT_DMODE_ECINC 0x00000008
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#define NPORT_DMODE_CMASK 0x00000070
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#define NPORT_DMODE_AMASK 0x00000780
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#define NPORT_DMODE_AVC2 0x00000000
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#define NPORT_DMODE_ACMALL 0x00000080
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#define NPORT_DMODE_ACM0 0x00000100
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#define NPORT_DMODE_ACM1 0x00000180
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#define NPORT_DMODE_AXMALL 0x00000200
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#define NPORT_DMODE_AXM0 0x00000280
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#define NPORT_DMODE_AXM1 0x00000300
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#define NPORT_DMODE_ABT 0x00000380
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#define NPORT_DMODE_AVCC1 0x00000400
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#define NPORT_DMODE_AVAB1 0x00000480
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#define NPORT_DMODE_ALG3V0 0x00000500
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#define NPORT_DMODE_A1562 0x00000580
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#define NPORT_DMODE_ESACK 0x00000800
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#define NPORT_DMODE_EASACK 0x00001000
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#define NPORT_DMODE_CWMASK 0x0003e000
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#define NPORT_DMODE_CHMASK 0x007c0000
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#define NPORT_DMODE_CSMASK 0x0f800000
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#define NPORT_DMODE_SENDIAN 0x10000000
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#define NPORT_SMASKXOFF 4096
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#define NPORT_SMASKYOFF 4096
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#define NPORT_CMODE_SM0 0x00000001
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#define NPORT_CMODE_SM1 0x00000002
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#define NPORT_CMODE_SM2 0x00000004
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#define NPORT_CMODE_SM3 0x00000008
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#define NPORT_CMODE_SM4 0x00000010
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#define NPORT_CMODE_CMSK 0x00001e00
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#define NPORT_CFG_G32MD 0x00000001
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#define NPORT_CFG_BWIDTH 0x00000002
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#define NPORT_CFG_ERCVR 0x00000004
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#define NPORT_CFG_BDMSK 0x00000078
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#define NPORT_CFG_BFAINT 0x00000080
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#define NPORT_CFG_GDMSK 0x00001f00
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#define NPORT_CFG_GD0 0x00000100
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#define NPORT_CFG_GD1 0x00000200
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#define NPORT_CFG_GD2 0x00000400
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#define NPORT_CFG_GD3 0x00000800
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#define NPORT_CFG_GD4 0x00001000
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#define NPORT_CFG_GFAINT 0x00002000
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#define NPORT_CFG_TOMSK 0x0001C000
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#define NPORT_CFG_VRMSK 0x000E0000
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#define NPORT_CFG_FBTYP 0x00100000
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#define NPORT_STAT_VERS 0x00000007
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#define NPORT_STAT_GBUSY 0x00000008
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#define NPORT_STAT_BBUSY 0x00000010
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#define NPORT_STAT_VRINT 0x00000020
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#define NPORT_STAT_VIDINT 0x00000040
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#define NPORT_STAT_GLMSK 0x00001f80
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#define NPORT_STAT_BLMSK 0x0007e000
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#define NPORT_STAT_BFIRQ 0x00080000
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#define NPORT_STAT_GFIRQ 0x00100000
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/* Reading/writing VC2 registers. */
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#define VC2_REGADDR_INDEX 0x00000000
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#define VC2_REGADDR_IREG 0x00000010
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#define VC2_REGADDR_RAM 0x00000030
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#define VC2_PROTOCOL (NPORT_DMODE_EASACK | 0x00800000 | 0x00040000)
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#define VC2_VLINET_ADDR 0x000
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#define VC2_VFRAMET_ADDR 0x400
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#define VC2_CGLYPH_ADDR 0x500
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/* Now the Indexed registers of the VC2. */
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#define VC2_IREG_VENTRY 0x00
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#define VC2_IREG_CENTRY 0x01
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#define VC2_IREG_CURSX 0x02
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#define VC2_IREG_CURSY 0x03
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#define VC2_IREG_CCURSX 0x04
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#define VC2_IREG_DENTRY 0x05
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#define VC2_IREG_SLEN 0x06
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#define VC2_IREG_RADDR 0x07
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#define VC2_IREG_VFPTR 0x08
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#define VC2_IREG_VLSPTR 0x09
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#define VC2_IREG_VLIR 0x0a
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#define VC2_IREG_VLCTR 0x0b
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#define VC2_IREG_CTPTR 0x0c
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#define VC2_IREG_WCURSY 0x0d
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#define VC2_IREG_DFPTR 0x0e
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#define VC2_IREG_DLTPTR 0x0f
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#define VC2_IREG_CONTROL 0x10
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#define VC2_IREG_CONFIG 0x20
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/* VC2 Control register bits */
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#define VC2_CTRL_EVIRQ 0x0001
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#define VC2_CTRL_EDISP 0x0002
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#define VC2_CTRL_EVIDEO 0x0004
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#define VC2_CTRL_EDIDS 0x0008
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#define VC2_CTRL_ECURS 0x0010
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#define VC2_CTRL_EGSYNC 0x0020
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#define VC2_CTRL_EILACE 0x0040
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#define VC2_CTRL_ECDISP 0x0080
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#define VC2_CTRL_ECCURS 0x0100
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#define VC2_CTRL_ECG64 0x0200
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#define VC2_CTRL_GLSEL 0x0400
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/* Controlling the color map on Newport. */
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#define NCMAP_REGADDR_AREG 0x00000000
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#define NCMAP_REGADDR_ALO 0x00000000 /* address register low */
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#define NCMAP_REGADDR_AHI 0x00000010 /* address register high */
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#define NCMAP_REGADDR_PBUF 0x00000020 /* color palette buffer */
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#define NCMAP_REGADDR_CREG 0x00000030 /* command register */
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#define NCMAP_REGADDR_SREG 0x00000040 /* color buffer register */
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#define NCMAP_REGADDR_RREG 0x00000060 /* revision register */
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#define NCMAP_PROTOCOL (0x00008000 | 0x00040000 | 0x00800000)
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/*
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* DCBMODE register defines:
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*/
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/* Widht of the data being transfered for each DCBDATA[01] word */
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#define DCB_DATAWIDTH_4 0x0
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#define DCB_DATAWIDTH_1 0x1
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#define DCB_DATAWIDTH_2 0x2
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#define DCB_DATAWIDTH_3 0x3
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/* If set, all of DCBDATA will be moved, otherwise only DATAWIDTH bytes */
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#define DCB_ENDATAPACK (1 << 2)
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/* Enables DCBCRS auto increment after each DCB transfer */
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#define DCB_ENCRSINC (1 << 3)
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/* shift for accessing the control register select address (DBCCRS, 3 bits) */
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#define DCB_CRS_SHIFT 4
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/* DCBADDR (4 bits): display bus slave address */
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#define DCB_ADDR_SHIFT 7
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#define DCB_VC2 (0 << DCB_ADDR_SHIFT)
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#define DCB_CMAP_ALL (1 << DCB_ADDR_SHIFT)
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#define DCB_CMAP0 (2 << DCB_ADDR_SHIFT)
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#define DCB_CMAP1 (3 << DCB_ADDR_SHIFT)
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#define DCB_XMAP_ALL (4 << DCB_ADDR_SHIFT)
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#define DCB_XMAP0 (5 << DCB_ADDR_SHIFT)
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#define DCB_XMAP1 (6 << DCB_ADDR_SHIFT)
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#define DCB_BT445 (7 << DCB_ADDR_SHIFT)
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#define DCB_VCC1 (8 << DCB_ADDR_SHIFT)
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#define DCB_VAB1 (9 << DCB_ADDR_SHIFT)
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#define DCB_LG3_BDVERS0 (10 << DCB_ADDR_SHIFT)
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#define DCB_LG3_ICS1562 (11 << DCB_ADDR_SHIFT)
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#define DCB_RESERVED (15 << DCB_ADDR_SHIFT)
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/* DCB protocol ack types */
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#define DCB_ENSYNCACK (1 << 11)
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#define DCB_ENASYNCACK (1 << 12)
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#define DCB_CSWIDTH_SHIFT 13
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#define DCB_CSHOLD_SHIFT 18
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#define DCB_CSSETUP_SHIFT 23
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/* XMAP9 specific defines */
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/* XMAP9 -- registers as seen on the DCBMODE register*/
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# define XM9_CRS_CONFIG (0 << DCB_CRS_SHIFT)
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# define XM9_PUPMODE (1 << 0)
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# define XM9_ODD_PIXEL (1 << 1)
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# define XM9_8_BITPLANES (1 << 2)
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# define XM9_SLOW_DCB (1 << 3)
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# define XM9_VIDEO_RGBMAP_MASK (3 << 4)
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# define XM9_VIDEO_RGBMAP_M0 (1 << 4)
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# define XM9_VIDEO_RGMPAP_M1 (1 << 5)
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# define XM9_VIDEO_RGBMAP_M2 (3 << 4)
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# define XM9_EXPRESS_VIDEO (1 << 6)
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# define XM9_VIDEO_OPTION (1 << 7)
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# define XM9_CRS_REVISION (1 << DCB_CRS_SHIFT)
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# define XM9_CRS_FIFO_AVAIL (2 << DCB_CRS_SHIFT)
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# define XM9_FIFO_0_AVAIL 0
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# define XM9_FIFO_1_AVAIL 1
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# define XM9_FIFO_2_AVAIL 3
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# define XM9_FIFO_3_AVAIL 2
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# define XM9_FIFO_FULL XM9_FIFO_0_AVAIL
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# define XM9_FIFO_EMPTY XM9_FIFO_3_AVAIL
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# define XM9_CRS_CURS_CMAP_MSB (3 << DCB_CRS_SHIFT)
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# define XM9_CRS_PUP_CMAP_MSB (4 << DCB_CRS_SHIFT)
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# define XM9_CRS_MODE_REG_DATA (5 << DCB_CRS_SHIFT)
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# define XM9_CRS_MODE_REG_INDEX (7 << DCB_CRS_SHIFT)
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#define DCB_CYCLES(setup,hold,width) \
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((hold << DCB_CSHOLD_SHIFT) | \
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(setup << DCB_CSSETUP_SHIFT)| \
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(width << DCB_CSWIDTH_SHIFT))
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#define W_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 0)
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#define WSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (5, 5, 0)
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#define WAYSLOW_DCB_XMAP9_PROTOCOL DCB_CYCLES (12, 12, 0)
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#define R_DCB_XMAP9_PROTOCOL DCB_CYCLES (2, 1, 3)
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/* xmap9 mode register layout */
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#define XM9_MREG_BUF_SEL (1 << 0)
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#define XM9_MREG_OVL_BUF_SEL (1 << 1)
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#define XM9_MREG_GAMMA_BYPASS (1 << 2)
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#define XM9_MREG_MSB_CMAP (31 << 3)
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#define XM9_MREG_PIX_MODE_MASK (3 << 8)
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#define XM9_MREG_PIX_MODE_RGB0 (1 << 8)
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#define XM9_MREG_PIX_MODE_RGB1 (1 << 9)
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#define XM9_MREG_PIX_MODE_RGB2 (3 << 8)
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#define XM9_MREG_PIX_SIZE_MASK (3 << 10)
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#define XM9_MREG_PIX_SIZE_8BPP (1 << 10)
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#define XM9_MREG_PIX_SIZE_12BPP (1 << 11)
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#define XM9_MREG_PIX_SIZE_24BPP (3 << 10)
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#define XM9_MREG_VID_MODE_MASK (3 << 12)
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#define XM9_MREG_VID_MODE_OVL (1 << 12)
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#define XM9_MREG_VID_MODE_UDL (1 << 13)
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#define XM9_MREG_VID_MODE_RPL (3 << 12)
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#define XM9_MREG_BUF_VID_ALPHA (1 << 15)
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#define XM9_MREG_APIX_MODE_MASK (7 << 16)
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#define XM9_MREG_APIX_MODE_FUDL (1 << 16)
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#define XM9_MREG_APIX_MODE_FOVL (1 << 17)
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#define XM9_MREG_APIX_MODE_ODB (3 << 17)
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#define XM9_MREG_APIX_MODE_BOTH (7 << 16)
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#define XM9_MREG_AMSB_CMAP_MASK (31 << 19)
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typedef struct Newport Newport;
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struct Newport
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{
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ulong drawmode1;
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ulong drawmode0;
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ulong lsmode;
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ulong lspattern;
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ulong lspatsave;
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ulong zpattern;
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ulong colorback;
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ulong colorvram;
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ulong alpharef;
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ulong unused0;
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ulong smask0x;
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ulong smask0y;
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ulong _setup;
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ulong _stepz;
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ulong _lsrestore;
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ulong _lssave;
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ulong unused1[0x30];
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ulong _xstart;
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ulong _ystart;
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ulong _xend;
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ulong _yend;
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ulong xsave;
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ulong xymode;
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ulong bresd;
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ulong bress1;
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ulong bresoctinc1;
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ulong bresoctinc2;
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ulong brese1;
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ulong bress2;
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ulong aweight0;
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ulong aweight1;
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ulong xstartf;
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ulong ystartf;
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|
ulong xendf;
|
|
ulong yendf;
|
|
ulong xstarti;
|
|
ulong xendfi;
|
|
ulong xystarti;
|
|
ulong xyendi;
|
|
ulong xstartendi;
|
|
ulong unused2[0x29];
|
|
ulong colorred;
|
|
ulong coloralpha;
|
|
ulong colorgrn;
|
|
ulong colorblue;
|
|
ulong slopered;
|
|
ulong slopealpha;
|
|
ulong slopegrn;
|
|
ulong slopeblue;
|
|
ulong wrmask;
|
|
ulong colori;
|
|
ulong colorx;
|
|
ulong slopered1;
|
|
ulong hostrw0;
|
|
ulong hostrw1;
|
|
ulong dcbmode;
|
|
ulong unused3;
|
|
ulong dcbdata0;
|
|
ulong dcbdata1;
|
|
ulong unused4[0x36e];
|
|
ulong smask1x;
|
|
ulong smask1y;
|
|
ulong smask2x;
|
|
ulong smask2y;
|
|
ulong smask3x;
|
|
ulong smask3y;
|
|
ulong smask4x;
|
|
ulong smask4y;
|
|
ulong topscan;
|
|
ulong xywin;
|
|
ulong clipmode;
|
|
ulong unused5;
|
|
ulong config;
|
|
ulong unused6;
|
|
ulong stat;
|
|
ulong ustat;
|
|
ulong dreset;
|
|
};
|
|
|
|
static Newport *regs = IO(Newport, GIO_NEWPORT);
|
|
static Newport *regsgo = IO(Newport, GIO_NEWPORT|0x800);
|
|
|
|
Memimage *gscreen;
|
|
static Point curoff;
|
|
|
|
static void
|
|
vc2set(uchar r, ushort val)
|
|
{
|
|
regs->dcbmode = NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX |
|
|
NPORT_DMODE_W3 | NPORT_DMODE_ECINC | VC2_PROTOCOL;
|
|
regs->dcbdata0 = r << 24 | val << 8;
|
|
}
|
|
|
|
static ushort
|
|
vc2get(uchar r)
|
|
{
|
|
regs->dcbmode = NPORT_DMODE_AVC2 | VC2_REGADDR_INDEX |
|
|
NPORT_DMODE_W1 | NPORT_DMODE_ECINC | VC2_PROTOCOL;
|
|
regs->dcbdata0 = r << 24;
|
|
regs->dcbmode = NPORT_DMODE_AVC2 | VC2_REGADDR_IREG |
|
|
NPORT_DMODE_W2 | NPORT_DMODE_ECINC | VC2_PROTOCOL;
|
|
return regs->dcbdata0 >> 16;
|
|
}
|
|
|
|
|
|
void
|
|
cursoron(void)
|
|
{
|
|
Point xy;
|
|
int s;
|
|
|
|
xy = addpt(mousexy(), curoff);
|
|
|
|
s = splhi();
|
|
vc2set(VC2_IREG_CURSX, xy.x);
|
|
vc2set(VC2_IREG_CURSY, xy.y);
|
|
vc2set(VC2_IREG_CONTROL, vc2get(VC2_IREG_CONTROL) | VC2_CTRL_ECDISP);
|
|
splx(s);
|
|
}
|
|
|
|
void
|
|
cursoroff(void)
|
|
{
|
|
int s;
|
|
|
|
s = splhi();
|
|
vc2set(VC2_IREG_CONTROL, vc2get(VC2_IREG_CONTROL) & ~VC2_CTRL_ECDISP);
|
|
splx(s);
|
|
}
|
|
|
|
void
|
|
setcursor(Cursor *curs)
|
|
{
|
|
static uchar mem[(2*32*32)/8];
|
|
uchar *set, *clr;
|
|
int i, s;
|
|
|
|
memset(mem, 0, sizeof(mem));
|
|
|
|
/*
|
|
* convert to two 32x32 bitmaps
|
|
*/
|
|
set = mem;
|
|
clr = mem + (32*32)/8;
|
|
for(i=0;i<32;i++) {
|
|
*set++ = curs->set[i];
|
|
*clr++ = curs->clr[i];
|
|
if(i & 1){
|
|
set += 2;
|
|
clr += 2;
|
|
}
|
|
}
|
|
curoff = addpt(Pt(30,30), curs->offset);
|
|
|
|
/*
|
|
* upload two bytes at a time
|
|
*/
|
|
s = splhi();
|
|
vc2set(VC2_IREG_RADDR, vc2get(VC2_IREG_CENTRY));
|
|
regs->dcbmode = NPORT_DMODE_AVC2 | VC2_REGADDR_RAM |
|
|
NPORT_DMODE_W2 | VC2_PROTOCOL;
|
|
for(i = 0; i < sizeof(mem); i += 2){
|
|
while(regs->stat & NPORT_STAT_BBUSY)
|
|
;
|
|
regs->dcbdata0 = *(ushort*)(&mem[i]) << 16;
|
|
}
|
|
splx(s);
|
|
}
|
|
|
|
static void
|
|
setmode(void)
|
|
{
|
|
while(regs->stat & NPORT_STAT_BBUSY)
|
|
;
|
|
regs->dcbmode = (DCB_XMAP_ALL | W_DCB_XMAP9_PROTOCOL |
|
|
XM9_CRS_CONFIG | NPORT_DMODE_W1);
|
|
regs->dcbdata0 &= ~((XM9_8_BITPLANES | XM9_PUPMODE)<<24);
|
|
|
|
while(regs->stat & NPORT_STAT_BBUSY)
|
|
;
|
|
regs->dcbmode = (DCB_XMAP_ALL | W_DCB_XMAP9_PROTOCOL |
|
|
XM9_CRS_MODE_REG_DATA | NPORT_DMODE_W4);
|
|
regs->dcbdata0 = (XM9_MREG_PIX_SIZE_24BPP |
|
|
XM9_MREG_PIX_MODE_RGB1 | XM9_MREG_GAMMA_BYPASS);
|
|
|
|
while(regs->stat & NPORT_STAT_BBUSY)
|
|
;
|
|
regs->dcbmode = (DCB_XMAP_ALL | W_DCB_XMAP9_PROTOCOL |
|
|
XM9_CRS_MODE_REG_INDEX | NPORT_DMODE_W1);
|
|
regs->dcbdata0 &= ~(0xFF<<24);
|
|
|
|
regs->drawmode1 = DM1_RGBPLANES |
|
|
NPORT_DMODE1_CCLT | NPORT_DMODE1_CCEQ | NPORT_DMODE1_CCGT | NPORT_DMODE1_LOSRC |
|
|
NPORT_DMODE1_DD24 | NPORT_DMODE1_RGBMD | NPORT_DMODE1_HD32 | NPORT_DMODE1_RWPCKD;
|
|
}
|
|
|
|
static void
|
|
arcsoff(void)
|
|
{
|
|
if(consuart != nil && consuart->console && strcmp(consuart->name, "arcs") == 0){
|
|
consuart = nil;
|
|
serialoq = nil;
|
|
}
|
|
}
|
|
|
|
void
|
|
flushmemscreen(Rectangle r)
|
|
{
|
|
static int modeset = 0;
|
|
ulong *x0;
|
|
int s, w;
|
|
|
|
if(rectclip(&r, gscreen->r) == 0)
|
|
return;
|
|
|
|
s = splhi();
|
|
if(!modeset){
|
|
modeset = 1;
|
|
arcsoff();
|
|
setmode();
|
|
}
|
|
|
|
while(regs->stat & NPORT_STAT_GBUSY)
|
|
;
|
|
|
|
regs->drawmode0 = (NPORT_DMODE0_DRAW | NPORT_DMODE0_BLOCK | NPORT_DMODE0_CHOST);
|
|
regs->xystarti = r.min.x << 16 | r.min.y;
|
|
regs->xyendi = r.max.x-1 << 16 | r.max.y-1;
|
|
|
|
x0 = wordaddr(gscreen, r.min);
|
|
for(w = r.max.x - r.min.x; r.min.y < r.max.y; r.min.y++){
|
|
outl(®sgo->hostrw0, x0, w);
|
|
x0 += gscreen->width;
|
|
}
|
|
|
|
splx(s);
|
|
}
|
|
|
|
void
|
|
screeninit(void)
|
|
{
|
|
enum {
|
|
RGBX32 = CHAN4(CRed, 8, CGreen, 8, CBlue, 8, CIgnore, 8),
|
|
};
|
|
memimageinit();
|
|
gscreen = allocmemimage(Rect(0,0,1280,1024), RGBX32);
|
|
if(gscreen == nil)
|
|
panic("screeninit: gscreen == nil");
|
|
memfillcolor(gscreen, 0xFFFFFFFF);
|
|
mouseaccelerate(3);
|
|
}
|
|
|
|
Memdata*
|
|
attachscreen(Rectangle *r, ulong *chan, int* d, int *width, int *softscreen)
|
|
{
|
|
if(gscreen == nil)
|
|
return nil;
|
|
|
|
*r = gscreen->r;
|
|
*d = gscreen->depth;
|
|
*chan = gscreen->chan;
|
|
*width = gscreen->width;
|
|
*softscreen = 1;
|
|
|
|
gscreen->data->ref++;
|
|
return gscreen->data;
|
|
}
|
|
|
|
void
|
|
getcolor(ulong, ulong *, ulong *, ulong *)
|
|
{
|
|
}
|
|
|
|
int
|
|
setcolor(ulong, ulong, ulong, ulong)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
blankscreen(int)
|
|
{
|
|
}
|
|
|
|
void
|
|
mousectl(Cmdbuf *)
|
|
{
|
|
}
|
|
|
|
/*
|
|
* sgi mouse protocol
|
|
* byte 0 - Y0 X0 Y7 X7 F M R L
|
|
* byte 1 - X7 X6 X5 X4 X3 X2 X1 X0
|
|
* byte 2 - Y7 Y6 Y5 Y4 Y3 Y2 Y1 Y0
|
|
*/
|
|
void
|
|
sgimouseputc(int c)
|
|
{
|
|
static uchar msg[3];
|
|
static int nb;
|
|
int dx, dy, newbuttons;
|
|
static uchar b[] = { 0, 1, 4, 5, 2, 3, 6, 7 };
|
|
static ulong lasttick;
|
|
ulong m;
|
|
|
|
/* Resynchronize in stream with timing. */
|
|
m = MACHP(0)->ticks;
|
|
if(TK2SEC(m - lasttick) > 2)
|
|
nb = 0;
|
|
lasttick = m;
|
|
|
|
msg[nb] = c;
|
|
if(++nb == 3){
|
|
nb = 0;
|
|
newbuttons = b[msg[0]&7];
|
|
dx = (char)msg[1];
|
|
dy = -(char)msg[2];
|
|
mousetrack(dx, dy, newbuttons, TK2MS(MACHP(0)->ticks));
|
|
}
|
|
}
|