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/*
* This file is part of the LinuxBIOS project.
*
* Copyright (C) 2006 Ronald Minnich <rminnich@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "superiotool.h"
/* Well, they really thought this through, eh? Family is 8 bits! */
static const char *familyid[] = {
[0xf1] = "PC8374 (Winbond/NatSemi)"
};
void dump_ns8374(uint16_t port)
{
printf("Enables: 21=%02x, 22=%02x, 23=%02x, 24=%02x, 26=%02x\n",
regval(port, 0x21), regval(port, 0x22), regval(port, 0x23),
regval(port, 0x24), regval(port, 0x26));
printf("SMBUS at %02x\n", regval(port, 0x2a));
/* Check COM1. This is all we care about at present. */
printf("COM 1 is globally %s\n",
regval(port, 0x26) & 8 ? "disabled" : "enabled");
/* Select COM1. */
regwrite(port, 0x07, 0x03);
printf("COM 1 is locally %s\n",
regval(port, 0x30) & 1 ? "enabled" : "disabled");
printf
("COM1 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n",
regval(port, 0x60), regval(port, 0x61), regval(port, 0x70),
regval(port, 0x71), regval(port, 0x74), regval(port, 0x75),
regval(port, 0xf0));
/* Select GPIO. */
regwrite(port, 0x07, 0x07);
printf("GPIO is %s\n", regval(port, 0x30) & 1 ? "enabled" : "disabled");
printf
("GPIO 60=%02x, 61=%02x, 70=%02x, 71=%02x, 74=%02x, 75=%02x, f0=%02x\n",
regval(port, 0x60), regval(port, 0x61), regval(port, 0x70),
regval(port, 0x71), regval(port, 0x74), regval(port, 0x75),
regval(port, 0xf0));
}
void probe_idregs_simple(uint16_t port)
{
uint16_t id;
outb(0x20, port);
if (inb(port) != 0x20) {
no_superio_found(port);
/* TODO: Exit config mode? */
return;
}
id = inb(port + 1);
printf("Super I/O found at 0x%02x: id = 0x%02x\n", port, id);
if (id == 0xff)
return;
if (familyid[id])
printf("%s\n", familyid[id]);
else
printf("<unknown>\n");
switch (id) {
case 0xf1:
dump_ns8374(port);
break;
default:
printf("No dump for 0x%02x\n", id);
break;
}
}
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