From e2c23ef578b911c1fe91b582c5c26a2b1e6fcaca Mon Sep 17 00:00:00 2001 From: Timothy Pearson Date: Sat, 5 Sep 2015 18:26:30 -0500 Subject: [PATCH 018/143] superio/nuvoton/nct5572d: Enable power state after power failure support Change-Id: Ia0313b9ecd64c9e6f99a140772ebb35abe0175fd Signed-off-by: Timothy Pearson --- src/superio/nuvoton/nct5572d/superio.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/src/superio/nuvoton/nct5572d/superio.c b/src/superio/nuvoton/nct5572d/superio.c index c5278d6..3b71c6b 100644 --- a/src/superio/nuvoton/nct5572d/superio.c +++ b/src/superio/nuvoton/nct5572d/superio.c @@ -3,6 +3,7 @@ * * Copyright (C) 2014 Felix Held * Copyright (C) 2014 Edward O'Callaghan + * Copyright (C) 2015 Timothy Pearson , Raptor Engineering * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -19,17 +20,29 @@ * Foundation, Inc. */ +#include #include #include #include #include +#include #include #include #include "nct5572d.h" +#define MAINBOARD_POWER_OFF 0 +#define MAINBOARD_POWER_ON 1 + +#ifndef CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL +#define CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL MAINBOARD_POWER_ON +#endif + static void nct5572d_init(struct device *dev) { + uint8_t byte; + uint8_t power_status; + if (!dev->enabled) return; @@ -38,6 +51,22 @@ static void nct5572d_init(struct device *dev) case NCT5572D_KBC: pc_keyboard_init(); break; + case NCT5572D_ACPI: + /* Set power state after power fail */ + power_status = CONFIG_MAINBOARD_POWER_ON_AFTER_POWER_FAIL; + get_option(&power_status, "power_on_after_fail"); + pnp_enter_conf_mode_8787(dev); + pnp_set_logical_device(dev); + byte = pnp_read_config(dev, 0xe4); + byte &= ~0x60; + if (power_status == 1) + byte |= (0x1 << 5); /* Force power on */ + else if (power_status == 2) + byte |= (0x2 << 5); /* Use last power state */ + pnp_write_config(dev, 0xe4, byte); + pnp_exit_conf_mode_aa(dev); + printk(BIOS_INFO, "set power %s after power fail\n", power_status ? "on" : "off"); + break; } } -- 1.7.9.5