int probe_qp(void)
{
/* Get access to the ports */
if (ioperm(0x2fa, 3, 1)) {perror("ioperm"); return 0;}
if (ioperm(0x3fa, 3, 1)) {perror("ioperm"); return 0;}
if (ioperm(0x390, 3, 1)) {perror("ioperm"); return 0;}
if (ioperm(0x391, 3, 1)) {perror("ioperm"); return 0;}
outb(0x55, 0x2fa); /* Any value except 9, ff or 36*/
outb(0xaa, 0x3fa); /* Inverse of 55 */
outb(0x36, 0x3fa); /* Address the chip */
outb(0xe4, 0x3fa); /* 390/4; 390 = config address*/
outb(0x1b, 0x2fa); /* Inverse of e4 */
if (read_710(0x0f) != 0xe4) /* Config address found? */
return 0; /* No: no 82C710 here */
qp_data = read_710(0x0d)*4; /* Get mouse I/O address */
qp_status = qp_data+1;
outb(0x0f, 0x390);
outb(0x0f, 0x391); /* Close config mode */
/* We don't need the ports anymore */
if (ioperm(0x2fa, 3, 0)) {perror("ioperm"); return 0;}
if (ioperm(0x3fa, 3, 0)) {perror("ioperm"); return 0;}
if (ioperm(0x390, 3, 0)) {perror("ioperm"); return 0;}
if (ioperm(0x391, 3, 0)) {perror("ioperm"); return 0;}
return 1;
}
static int probe_qp(void)
{
outb_p(0x55, 0x2fa); /* Any value except 9, ff or 36 */
outb_p(0xaa, 0x3fa); /* Inverse of 55 */
outb_p(0x36, 0x3fa); /* Address the chip */
outb_p(0xe4, 0x3fa); /* 390/4; 390 = config address */
outb_p(0x1b, 0x2fa); /* Inverse of e4 */
if (read_710(0x0f) != 0xe4) /* Config address found? */
return 0; /* No: no 82C710 here */
qp_data = read_710(0x0d)*4; /* Get mouse I/O address */
qp_status = qp_data+1;
outb_p(0x0f, 0x390);
outb_p(0x0f, 0x391); /* Close config mode */
return 1;
}
int probe_qp(void)
{
outb_p(0x55, 0x2fa);
outb_p(0xaa, 0x3fa);
outb_p(0x36, 0x3fa);
outb_p(0xe4, 0x3fa);
outb_p(0x1b, 0x2fa);
if (read_710(0x0f) != 0xe4)
return 0;
qp_data = read_710(0x0d)*4;
qp_status = qp_data+1;
outb_p(0x0f, 0x390);
outb_p(0x0f, 0x391);
return 1;
}
