int mainboard_smi_apmc(u8 apmc)
{
printk(BIOS_DEBUG, "mainboard_smi_apmc: %x\n", apmc);
switch (apmc) {
case APMC_ACPI_EN:
printk(BIOS_DEBUG, "APMC: ACPI_EN\n");
/* Clear all pending events */
/* EC cmd:59 data:E8 */
ec_kbc_write_cmd(0x59);
ec_kbc_write_ib(0xE8);
/* Set LID GPI to generate SCIs */
gpi_route_interrupt(EC_LID_GPI, GPI_IS_SCI);
break;
case APMC_ACPI_DIS:
printk(BIOS_DEBUG, "APMC: ACPI_DIS\n");
/* Clear all pending events */
/* EC cmd:59 data:e9 */
ec_kbc_write_cmd(0x59);
ec_kbc_write_ib(0xE9);
/* Set LID GPI to generate SMIs */
gpi_route_interrupt(EC_LID_GPI, GPI_IS_SMI);
break;
}
return 0;
}
void mainboard_smi_sleep(u8 slp_typ)
{
printk(BIOS_DEBUG, "mainboard_smi_sleep: %x\n", slp_typ);
/* Disable SCI and SMI events */
/* Clear pending events that may trigger immediate wake */
/* Enable wake events */
/* Tell the EC to Disable USB power */
if (smm_get_gnvs()->s3u0 == 0 && smm_get_gnvs()->s3u1 == 0) {
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0xF2);
}
}
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);
}
/* The keyboard matrix tells the EC how the keyboard is wired internally */
static void set_keyboard_matrix_us(void)
{
ec_kbc_write_cmd(0x59);
ec_kbc_write_ib(0xE5);
}
/* Tell EC to operate in APM mode. Events generate SMIs instead of SCIs */
static void enter_apm_mode(void)
{
ec_kbc_write_cmd(0x59);
ec_kbc_write_ib(0xE9);
}
/* Parrot Hardware Revision */
u8 parrot_rev(void)
{
ec_kbc_write_cmd(0x45);
ec_kbc_write_ib(0x40);
return ec_kbc_read_ob();
}
