static void drv_M5_command(const unsigned int cmd, const int delay)
{
if (UseBusy)
drv_M5_busy();
/* put data on DB1..DB8 */
drv_generic_parport_data(cmd & 0xff);
/* set I/OC1 */
/* set I/OC2 */
/* clear RW */
drv_generic_parport_control(SIGNAL_IOC1 | SIGNAL_IOC2 | SIGNAL_RW,
(cmd & 0x100 ? SIGNAL_IOC1 : 0) | (cmd & 0x200 ? SIGNAL_IOC2 : 0));
/* Control data setup time */
ndelay(T_SU);
/* send command */
drv_generic_parport_toggle(SIGNAL_EX, 1, T_W);
if (UseBusy) {
/* honour data hold time */
ndelay(T_H);
} else {
/* wait for command completion */
udelay(delay);
}
}
static void drv_L7_write_data(const unsigned char data)
{
/* put data on DB1..DB8 */
drv_generic_parport_data(data);
/* CS1 = high, RW = low, A0 = high */
drv_generic_parport_control(SIGNAL_CS1 | SIGNAL_RW | SIGNAL_A0, SIGNAL_CS1 | SIGNAL_A0);
/* Address Setup Time = 10 ns */
/* Data Setup Time = 20 ns */
ndelay(20);
/* Control L Pulse Width = 22 ns */
drv_generic_parport_toggle(SIGNAL_CS1, 0, 22);
/* Address & Data Hold Time = 10 ns */
ndelay(10);
}
