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/*
* This file is part of the superiotool project.
*
* Copyright (C) 2006 Ronald Minnich <rminnich@gmail.com>
* Copyright (C) 2007 Uwe Hermann <uwe@hermann-uwe.de>
*
* 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"
#define CHIP_ID_REG 0x20 /* Super I/O ID (SID) / family */
#define CHIP_REV_REG 0x27 /* Super I/O revision ID (SRID) */
/* SID[7..0]: chip family. SRID[7..5]: chip ID, SRID[4..0]: chip rev. */
const static struct superio_registers reg_table[] = {
{0xf1, "PC8374L", {
{EOT}}},
{EOT}
};
static void dump_readable_pc8374l(uint16_t port)
{
if (!dump_readable)
return;
printf("Human-readable register dump:\n");
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_nsc(uint16_t port)
{
uint8_t id, rev;
probing_for("NSC", "", port);
outb(CHIP_ID_REG, port);
if (inb(port) != CHIP_ID_REG) {
if (verbose)
printf(NOTFOUND "port=0x%02x, port+1=0x%02x\n",
inb(port), inb(port + 1));
return;
}
id = inb(port + 1);
outb(CHIP_REV_REG, port);
if (inb(port) != CHIP_REV_REG) {
printf("Warning: Can't get chip revision. Setting to 0xff.\n");
rev = 0xff;
} else {
rev = inb(port + 1);
}
if (superio_unknown(reg_table, id)) {
if (verbose)
printf(NOTFOUND "sid=0x%02x, srid=0x%02x\n", id, rev);
return;
}
printf("Found NSC %s (sid=0x%02x, srid=0x%02x) at 0x%x\n",
get_superio_name(reg_table, id), id, rev, port);
dump_superio("NSC", reg_table, port, id);
if (id == 0xf1)
dump_readable_pc8374l(port);
}
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