/* $NetBSD: tadpolectl.c,v 1.10 2018/01/23 19:01:33 sevan Exp $ */

/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Tim Rightnour.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
*    notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
*    notice, this list of conditions and the following disclaimer in the
*    documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

#include <ctype.h>
#include <err.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/envsys.h>
#include <machine/apmvar.h>
#include <machine/tctrl.h>

#define TCTRL_DEV       "/dev/tctrl0"

int aflag, nflag, wflag, dev;

#define PROTO(x) int x(int, int, int);
static void usage(void) __dead;
static void parse(char *);
char *dashdot(const char *);
PROTO(hw_version)
PROTO(hw_microcontroller_version)
PROTO(hw_poweroncycles)
PROTO(hw_poweronseconds)
PROTO(hw_power_mains)
PROTO(hw_power_battery_int)
PROTO(hw_power_battery_ext)
PROTO(hw_power_battery_int_chargerate)
PROTO(hw_power_battery_ext_chargerate)
PROTO(hw_power_battery_int_chargelevel)
PROTO(hw_power_battery_ext_chargelevel)
PROTO(hw_video_external)
PROTO(hw_video_lid)
PROTO(hw_video_syncinva)
PROTO(hw_video_syncinvb)
PROTO(hw_video_compsync)
PROTO(hw_video_tft_brightness)
PROTO(hw_speaker_freq)
PROTO(hw_speaker_volume)
PROTO(hw_kbd_repeat_delay)
PROTO(hw_kbd_repeat_speed)
PROTO(hw_mouse_recalibrate)
PROTO(hw_power_battery_chargedisabled)
PROTO(hw_mouse_disable)
PROTO(hw_kbd_click)
PROTO(hw_mouse_intclick)
PROTO(hw_mouse_extclick)
PROTO(hw_mouse_sensitivity)
PROTO(hw_serial_power)

#define NUM_MIBS 29
#define TABLE(n) { __STRING(n), 0, n }

struct {
       const char *mib;
       int value;
       int (*funcptr)(int, int, int);
} table[NUM_MIBS] = {
       TABLE(hw_microcontroller_version),
       TABLE(hw_version),
       TABLE(hw_poweroncycles),
       TABLE(hw_poweronseconds),
       TABLE(hw_power_mains),
       TABLE(hw_power_battery_int),
       TABLE(hw_power_battery_ext),
       TABLE(hw_power_battery_chargedisabled),
       TABLE(hw_power_battery_int_chargerate),
       TABLE(hw_power_battery_ext_chargerate),
       TABLE(hw_power_battery_int_chargelevel),
       TABLE(hw_power_battery_ext_chargelevel),
       TABLE(hw_video_external),
       TABLE(hw_video_lid),
       TABLE(hw_video_syncinva),
       TABLE(hw_video_syncinvb),
       TABLE(hw_video_compsync),
       TABLE(hw_video_tft_brightness),
       TABLE(hw_speaker_freq),
       TABLE(hw_speaker_volume),
       TABLE(hw_kbd_repeat_delay),
       TABLE(hw_kbd_repeat_speed),
       TABLE(hw_kbd_click),
       TABLE(hw_mouse_recalibrate),
       TABLE(hw_mouse_disable),
       TABLE(hw_mouse_intclick),
       TABLE(hw_mouse_extclick),
       TABLE(hw_mouse_sensitivity),
       TABLE(hw_serial_power),
};

#define FUNC(x) \
int \
x(readflg, new, num) \
       int readflg, new, num;

#define READ_REQ(a, b, c) \
       req.cmdbuf[0] = a; \
       req.cmdlen = b; \
       req.rsplen = c; \
       ioctl(dev, TCTRL_CMD_REQ, &req)

#define WRITE_REQ(a, b, c) \
       req.cmdbuf[0] = a; \
       req.cmdlen = b; \
       req.rsplen = c; \
       ioctl(dev, TCTRL_CMD_REQ, &req)

#define READ_ONLY \
       if (!readflg) \
               return(0)

/* hardware functions */

FUNC(hw_mouse_sensitivity)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x2c, 3, 2);
       table[num].value = req.rspbuf[0];
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else if (new > 255)
               req.cmdbuf[2] = 0xff;
       else
               req.cmdbuf[2] = new;
       req.cmdbuf[1] = 0x00;
       WRITE_REQ(0x2c, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x2c, 3, 2);
       table[num].value = req.rspbuf[0];
       return(1);
}

FUNC(hw_power_battery_chargedisabled)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x01 ? 1 : 0;
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else
               req.cmdbuf[2] = 0x01;
       req.cmdbuf[1] = ~0x01;
       WRITE_REQ(0x22, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x01 ? 1 : 0;
       return(1);
}

FUNC(hw_mouse_disable)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x02 ? 1 : 0;
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else
               req.cmdbuf[2] = 0x02;
       req.cmdbuf[1] = ~0x02;
       WRITE_REQ(0x22, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x02 ? 1 : 0;
       return(1);
}

FUNC(hw_kbd_click)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x04 ? 1 : 0;
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else
               req.cmdbuf[2] = 0x04;
       req.cmdbuf[1] = ~0x04;
       WRITE_REQ(0x22, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x04 ? 1 : 0;
       return(1);
}

FUNC(hw_mouse_intclick)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x08 ? 1 : 0;
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else
               req.cmdbuf[2] = 0x08;
       req.cmdbuf[1] = ~0x08;
       WRITE_REQ(0x22, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x08 ? 1 : 0;
       return(1);
}

FUNC(hw_mouse_extclick)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x10 ? 1 : 0;
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else
               req.cmdbuf[2] = 0x10;
       req.cmdbuf[1] = ~0x10;
       WRITE_REQ(0x22, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x22, 3, 2);
       table[num].value = req.rspbuf[0]&0x10 ? 1 : 0;
       return(1);
}

/* ARGSUSED */
FUNC(hw_mouse_recalibrate)
{
       struct tctrl_req req;

       table[num].value = 0;
       if (readflg)
               return(1);
       READ_REQ(0x36, 1, 1);
       return(1);
}

FUNC(hw_kbd_repeat_delay)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x28, 3, 2);
       table[num].value = req.rspbuf[0];
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else if (new > 255)
               req.cmdbuf[2] = 0xff;
       else
               req.cmdbuf[2] = new;
       req.cmdbuf[1] = 0x00;
       WRITE_REQ(0x28, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x28, 3, 2);
       table[num].value = req.rspbuf[0];
       return(1);
}

FUNC(hw_kbd_repeat_speed)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x29, 3, 2);
       table[num].value = req.rspbuf[0];
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else if (new > 255)
               req.cmdbuf[2] = 0xff;
       else
               req.cmdbuf[2] = new;
       req.cmdbuf[1] = 0x00;
       WRITE_REQ(0x29, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x29, 3, 2);
       table[num].value = req.rspbuf[0];
       return(1);
}

FUNC(hw_speaker_freq)
{
       struct tctrl_req req;

       table[num].value = 0;
       if (readflg)
               return(1);
       req.cmdbuf[1] = new * 256;
       req.cmdbuf[2] = new % 256;
       WRITE_REQ(0x37, 3, 1);
       return(1);
}

FUNC(hw_speaker_volume)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x23, 3, 2);
       table[num].value = req.rspbuf[0];
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else if (new > 255)
               req.cmdbuf[2] = 0xff;
       else
               req.cmdbuf[2] = new;
       req.cmdbuf[1] = 0x00;
       WRITE_REQ(0x23, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x23, 3, 2);
       table[num].value = req.rspbuf[0];
       return(1);
}

FUNC(hw_video_tft_brightness)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x24, 3, 2);
       table[num].value = req.rspbuf[0];
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else if (new > 255)
               req.cmdbuf[2] = 0xff;
       else
               req.cmdbuf[2] = new;
       req.cmdbuf[1] = 0x00;
       WRITE_REQ(0x24, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x24, 3, 2);
       table[num].value = req.rspbuf[0];
       return(1);
}

FUNC(hw_video_syncinva)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x21, 3, 2);
       table[num].value = req.rspbuf[0]&0x02 ? 1 : 0;
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else
               req.cmdbuf[2] = 0x02;
       req.cmdbuf[1] = ~0x02;
       WRITE_REQ(0x21, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x21, 3, 2);
       table[num].value = req.rspbuf[0]&0x02 ? 1 : 0;
       return(1);
}

FUNC(hw_video_syncinvb)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x21, 3, 2);
       table[num].value = req.rspbuf[0]&0x04 ? 1 : 0;
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else
               req.cmdbuf[2] = 0x04;
       req.cmdbuf[1] = ~0x04;
       WRITE_REQ(0x21, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x21, 3, 2);
       table[num].value = req.rspbuf[0]&0x04 ? 1 : 0;
       return(1);
}

FUNC(hw_video_compsync)
{
       struct tctrl_req req;

       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x21, 3, 2);
       table[num].value = req.rspbuf[0]&0x10 ? 1 : 0;
       if (readflg)
               return(1);
       if (new == 0)
               req.cmdbuf[2] = 0x00;
       else
               req.cmdbuf[2] = 0x10;
       req.cmdbuf[1] = ~0x10;
       WRITE_REQ(0x21, 3, 2);
       req.cmdbuf[1] = 0xff;
       req.cmdbuf[2] = 0x00;
       READ_REQ(0x21, 3, 2);
       table[num].value = req.rspbuf[0]&0x10 ? 1 : 0;
       return(1);
}

/* ARGSUSED */
FUNC(hw_video_lid)
{
       struct tctrl_req req;
       short i;

       READ_ONLY;
       READ_REQ(0x11, 1, 3);
       i = (req.rspbuf[0]<<8) + req.rspbuf[1];
       table[num].value = i&0x0040 ? 0 : 1;
       return(1);
}

/* ARGSUSED */
FUNC(hw_video_external)
{
       struct tctrl_req req;
       short i;

       READ_ONLY;
       READ_REQ(0x11, 1, 3);
       i = (req.rspbuf[0]<<8) + req.rspbuf[1];
       table[num].value = i&0x0008 ? 1 : 0;
       return(1);
}

/* ARGSUSED */
FUNC(hw_power_battery_int_chargelevel)
{
       struct tctrl_req req;

       READ_ONLY;
       READ_REQ(0x7a, 1, 3);
       table[num].value = req.rspbuf[0] == 0xfb ? 0 : req.rspbuf[0];
       return(1);

}

/* ARGSUSED */
FUNC(hw_power_battery_ext_chargelevel)
{
       struct tctrl_req req;

       READ_ONLY;
       READ_REQ(0x7b, 1, 3);
       table[num].value = req.rspbuf[0] == 0xfb ? 0 : req.rspbuf[0];
       return(1);
}

FUNC(hw_power_battery_int_chargerate)
{
       struct tctrl_req req;

       READ_REQ(0x18, 1, 2);
       table[num].value = req.rspbuf[0];
       if (readflg)
               return(1);
       req.cmdbuf[1] = new < 255 ? new : 255;
       WRITE_REQ(0x39, 2, 1);
       READ_REQ(0x18, 1, 2);
       table[num].value = req.rspbuf[0];
       return(1);
}

FUNC(hw_power_battery_ext_chargerate)
{
       struct tctrl_req req;

       READ_REQ(0x18, 1, 2);
       table[num].value = req.rspbuf[0];
       if (readflg)
               return(1);
       req.cmdbuf[1] = new < 255 ? new : 255;
       WRITE_REQ(0x39, 2, 1);
       READ_REQ(0x18, 1, 2);
       table[num].value = req.rspbuf[0];
       return(1);
}

/* ARGSUSED */
FUNC(hw_power_battery_ext)
{
       int i;
       struct tctrl_req req;

       READ_ONLY;
       READ_REQ(0x11, 1, 3);
       i = (req.rspbuf[0]<<8) + req.rspbuf[1];
       table[num].value = i&0x0004 ? 1 : 0;
       return(1);
}

/* ARGSUSED */
FUNC(hw_power_battery_int)
{
       int i;
       struct tctrl_req req;

       READ_ONLY;
       READ_REQ(0x11, 1, 3);
       i = (req.rspbuf[0]<<8) + req.rspbuf[1];
       table[num].value = i&0x0002 ? 1 : 0;
       return(1);
}

/* ARGSUSED */
FUNC(hw_power_mains)
{
       int i;
       struct tctrl_req req;

       READ_ONLY;
       READ_REQ(0x11, 1, 3);
       i = (req.rspbuf[0]<<8) + req.rspbuf[1];
       table[num].value = i&0x0001 ? 1 : 0;
       return(1);
}

/* ARGSUSED */
FUNC(hw_poweroncycles)
{
       struct tctrl_req req;

       READ_ONLY;
       READ_REQ(0x09, 1, 5);
       table[num].value = (req.rspbuf[0]<<24)+(req.rspbuf[1]<<16)+
           (req.rspbuf[2]<<8)+req.rspbuf[3];
       return(1);
}

/* ARGSUSED */
FUNC(hw_poweronseconds)
{
       struct tctrl_req req;

       READ_ONLY;
       READ_REQ(0x0a, 1, 5);
       table[num].value = (req.rspbuf[0]<<24)+(req.rspbuf[1]<<16)+
           (req.rspbuf[2]<<8)+req.rspbuf[3];
       return(1);
}

/* ARGSUSED */
FUNC(hw_microcontroller_version)
{
       char buf[BUFSIZ];
       struct tctrl_req req;

       READ_ONLY;
       READ_REQ(0x04, 1, 3);
       snprintf(buf, sizeof(buf), "%d%d", req.rspbuf[0]*1000,
           req.rspbuf[1]*10);
       table[num].value = atoi(strdup(buf));
       return(1);
}


/* ARGSUSED */
FUNC(hw_version)
{
       char buf[BUFSIZ];
       struct tctrl_req req;

       READ_ONLY;
       READ_REQ(0x03, 1, 3);
       snprintf(buf, sizeof(buf), "%d%d", req.rspbuf[0]*1000,
           req.rspbuf[1]*10);
       table[num].value = atoi(strdup(buf));
       return(1);
}

FUNC(hw_serial_power)
{
       struct tctrl_pwr pwrreq;

       if (!readflg) {
               pwrreq.rw = 0x00;
               pwrreq.state = new;
               ioctl(dev, TCTRL_SERIAL_PWR, &pwrreq);
       }
       pwrreq.rw = 0x01;
       ioctl(dev, TCTRL_SERIAL_PWR, &pwrreq);
       table[num].value = pwrreq.state;
       return(1);
}

static void
usage(void)
{
       (void)fprintf(stderr,
           "usage: tadpolectl [-n] name ...\n"
           "       tadpolectl [-n] -w name=value\n"
           "       tadpolectl [-n] -a\n");
       exit(1);
}

static void
parse(string)
       char *string;
{
       char *cp, buf[BUFSIZ];
       int newval = 0;
       int i, j, ret;

       string = dashdot(string);
       snprintf(buf, (size_t)BUFSIZ, "%s", string);
       if ((cp = strchr(string, '=')) != NULL) {
               if (!wflag)
                       errx(2, "Must specify -w to set variables");
               *strchr(buf, '=') = '\0';
               *cp++ = '\0';
               while (isspace((unsigned char) *cp))
                       cp++;
               newval = atoi(cp);
       }
       for (j=0,i=-1; j < NUM_MIBS; j++) {
               if (strcmp(string, table[j].mib) == 0) {
                       i = j;
                       break;
               }
       }
       if (i == -1)
               errx(2, "Named value does not exist");

       if (wflag) {
               ret = (*table[i].funcptr)(0, newval, i);
               if (!ret)
                       errx(2, "Cannot modify this value");
       } else
               ret = (*table[i].funcptr)(1, 0, i);
       if (nflag)
               printf("%d\n", table[i].value);
       else
               printf("%s = %d\n", dashdot(table[i].mib), table[i].value);
}

char *
dashdot(const char *string)
{
       char *p;
       char *save;

       p = strdup(string);
       save = p;

       for (; (*p = *string) != '\0'; ++p, ++string) {
               if (*p == '.')
                       *p = '_';
               else if (*p == '_')
                       *p = '.';
       }
       return(save);
}

int
main(int argc, char *argv[])
{
       int ch, j;

       while ((ch = getopt(argc, argv, "anw")) != -1) {
               switch (ch) {

               case 'a':
                       aflag = 1;
                       break;
               case 'n':
                       nflag = 1;
                       break;
               case 'w':
                       wflag = 1;
                       break;
               default:
                       usage();
               }
       }
       argc -= optind;
       argv += optind;

       if ((dev = open(TCTRL_DEV, O_RDONLY, NULL)) == -1)
               err(1, "%s", TCTRL_DEV);

       if (aflag) {
               for (j=0; j < NUM_MIBS; j++) {
                       (void)(*table[j].funcptr)(1, 0, j);
                       if (nflag)
                               printf("%d\n", table[j].value);
                       else
                               printf("%s = %d\n", dashdot(table[j].mib),
                                   table[j].value);
               }
               return(0);
       }
       if (argc == 0)
               usage();
       while (argc-- > 0)
               parse(*argv++);
       return(0);
}

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