static u8 mainboard_smi_ec(void)
{
u8 src;
#if CONFIG(ELOG_GSMI)
static int battery_critical_logged;
#endif
ec_kbc_write_cmd(0x56);
src = ec_kbc_read_ob();
printk(BIOS_DEBUG, "mainboard_smi_ec src: %x\n", src);
switch (src) {
case EC_BATTERY_CRITICAL:
#if CONFIG(ELOG_GSMI)
if (!battery_critical_logged)
elog_add_event_byte(ELOG_TYPE_EC_EVENT,
EC_EVENT_BATTERY_CRITICAL);
battery_critical_logged = 1;
#endif
break;
case EC_LID_CLOSE:
printk(BIOS_DEBUG, "LID CLOSED, SHUTDOWN\n");
#if CONFIG(ELOG_GSMI)
elog_add_event_byte(ELOG_TYPE_EC_EVENT, EC_EVENT_LID_CLOSED);
#endif
/* Go to S5 */
write_pmbase32(PM1_CNT, read_pmbase32(PM1_CNT) | (0xf << 10));
break;
}
return src;
}
u8 ec_it8518_get_event(void)
{
u8 cmd = 0;
u8 status = inb(EC_SC);
if (status & SCI_EVT) {
ec_write_cmd(QR_EC);
cmd = ec_read_ob();
} else if ( status & SMI_EVT) {
ec_kbc_write_cmd(EC_KBD_SMI_EVENT);
cmd = ec_kbc_read_ob();
}
return cmd;
}
void parrot_ec_init(void)
{
printk(BIOS_DEBUG, "Parrot EC Init\n");
/* Clean up the buffers. We don't know the initial condition. */
kbc_cleanup_buffers();
/* Report EC info */
/* EC version: cmd 0x51 - returns three bytes */
ec_kbc_write_cmd(0x51);
printk(BIOS_DEBUG," EC version %x.%x.%x\n",
ec_kbc_read_ob(), ec_kbc_read_ob(), ec_kbc_read_ob());
/* EC Project name: cmd 0x52, 0xA0 - returns five bytes */
ec_kbc_write_cmd(0x52);
ec_kbc_write_ib(0xA0);
printk(BIOS_DEBUG," EC Project: %c%c%c%c%c\n",
ec_kbc_read_ob(),ec_kbc_read_ob(),ec_kbc_read_ob(),
ec_kbc_read_ob(), ec_kbc_read_ob());
/* Print the hardware revision */
printk(BIOS_DEBUG," Parrot Revision %x\n", parrot_rev());
/* US Keyboard */
ec_kbc_write_cmd(0x59);
ec_kbc_write_ib(0xE5);
/* Enable IRQ1 */
ec_kbc_write_cmd(0x59);
ec_kbc_write_ib(0xD1);
/* TODO - Do device detection and device maintain state (nvs) */
/* Enable Wireless and Bluetooth */
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0xAD);
/* Set Wireless and Bluetooth Available */
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0xA8);
/* Set Wireless and Bluetooth Enable */
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0xA2);
}
/* Parrot Hardware Revision */
u8 parrot_rev(void)
{
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0x40);
return ec_kbc_read_ob();
}