From mboxrd@z Thu Jan  1 00:00:00 1970
From: splite@purdue.edu
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Yet another VGA issue (CT65550)
Message-ID: <20030506093624.A25826@sigint.cs.purdue.edu>
References: <20030505200810.GC5035@swordfish>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20030505200810.GC5035@swordfish>; from mgushee@havenrock.com on Mon, May 05, 2003 at 02:08:10PM -0600
Date: Tue,  6 May 2003 09:36:24 -0500
Topicbox-Message-UUID: 9f6acd68-eacb-11e9-9e20-41e7f4b1d025

On Mon, May 05, 2003 at 02:08:10PM -0600, Matt Gushee wrote:
>
> Well, I have wanted to try out Plan9 for some time, and finally decided
> to take the plunge. I have installed the distribution on my old Toshiba
> Satellite Pro 420CDS, which has a Chips & Tech 65550 video card. I have

Dunno if this will help you, but here are the changes I made to a 3rd Ed.
system to get video working on an old Toshiba (Libretto, I think) with
a CT65550 (HiQV32) chipset in VLB mode.  (Sorry for the format; I don't
have a Plan 9 machine running at the moment.  I can make the full source
files available, if that would be more useful.)

diff hiqvideo.c.orig hiqvideo.c
50a51,52
> 	enum {DUNNO, CT65550, CT65554, CT69000};
> 	int model=DUNNO;
55,58c57,86
< 		if((p = pcimatch(nil, 0x102C, 0)) == nil)
< 			error("%s: not found\n", ctlr->name);
< 		switch(p->did){
< 		case 0x00C0:		/* 69000 HiQVideo */
---
> 		if((p = pcimatch(nil, 0x102C, 0))){
> 			switch(p->did){
> 			case 0x00C0:		/* 69000 HiQVideo */
> 				model=CT69000;
> 				break;
> 			case 0x00E0:		/* 65550 HiQV32 */
> 				model=CT65550;
> 				break;
> 			case 0x00E4:		/* 65554 HiQV64 */
> 				model=CT65554;
> 				break;
> 			default:
> 				error("%s: PCI DID %4.4uX unsupported\n",
> 					ctlr->name, p->did);
> 			}
> 		}
> 		else{
> 			switch(hiqvideoxi(Xrx, 0x02)){
> 			case 0xE0:
> 			case 0xE4:
> 				model=CT65550;
> 				print("%s: found CT65550 in VLB mode\n", ctlr->name);
> 				break;
> 			default:
> 				error("%s: not found\n", ctlr->name);
> 			}
> 		}
> 		hqv->pci = p;
> 		switch(model){
> 		case CT69000:
62,63c90,91
< 		case 0x00E0:		/* 65550 HiQV32 */
< 		case 0x00E4:		/* 65554 HiQV32 */
---
> 		case CT65550:
> 		case CT65554:
67,69d94
< 		default:
< 			error("%s: DID %4.4uX unsupported\n",
< 				ctlr->name, p->did);
71d95
< 		hqv->pci = p;
84,85c108,109
< 	switch(hqv->pci->did){
< 	case 0x00C0:			/* 69000 HiQVideo */
---
> 	switch(model){
> 	case CT69000:			/* 69000 HiQVideo */
89,90c113,114
< 	case 0x00E0:			/* 65550 HiQV32 */
< 	case 0x00E4:			/* 65554 HiQV32 */
---
> 	case CT65550:			/* 65550 HiQV32 */
> 	case CT65554:			/* 65554 HiQV64 */


diff vgahiqvideo.c.orig vgahiqvideo.c
15a16,17
> 	Pos102	= 0x102,	/* Global Enable */
> 	Vse		= 0x3C3,	/* Video Subsystem Enable */
53c55
< 		case 0x00E4:		/* 65554 HiQV32 */
---
> 		case 0x00E4:		/* 65554 HiQV64 */
60a63,72
> 	else{					/* check for 65550 in VLB mode */
> 		switch(hiqvideoxi(Xrx, 0x02)){
> 		case 0xE0:
> 		case 0xE4:
> 			*size = *align = 8*1024*1024;
> 			break;
> 		default:
> 			break;
> 		}
> 	}
80a93,100
> 	if (aperture && !p){		/* set aperature by hand if in VLB mode */
> 		int v;
> 		v = hiqvideoxi(Xrx, 0x0A);
> 		hiqvideoxo(Xrx, 0x0A, v | 0x02);
> 		hiqvideoxo(Xrx, 0x20, 0x00);
> 		hiqvideoxo(Xrx, 0x05, (aperture>>16) & 0xFF);
> 		hiqvideoxo(Xrx, 0x06, (aperture>>24) & 0xFF);
> 	}
103c123
< 		case 0x00E4:		/* 65554 HiQV32 */
---
> 		case 0x00E4:		/* 65554 HiQV64 */
104a125,128
> 			case 0:
> 				vmsize = 1*1024*1024;
> 				break;
> 			case 1:
105a130,144
> 				vmsize = 2*1024*1024;
> 				break;
> 			}
> 			break;
> 		default:
> 			return;
> 		}
> 		size = p->mem[0].size;
> 		align = 0;
> 	}
> 	else{					/* maybe in VLB mode? */
> 		switch(hiqvideoxi(Xrx, 0x02)){
> 		case 0xE0:
> 		case 0xE4:
> 			switch((hiqvideoxi(Xrx, 0x43)>>1) & 0x03){
109a149
> 			default:
112a153
> 			size = align = 8*1024*1024;
118,119d158
< 	else
< 		return;
121,122d159
< 	size = p->mem[0].size;
< 	align = 0;