| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2013 Nico Huber <nico.h@gmx.de> |
| * |
| * 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 |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <arch/io.h> |
| #include <device/device.h> |
| #include <superio/conf_mode.h> |
| |
| /* Common enter/exit implementations */ |
| |
| void pnp_enter_conf_mode_55(struct device *dev) |
| { |
| outb(0x55, dev->path.pnp.port); |
| } |
| |
| void pnp_enter_conf_mode_6767(struct device *dev) |
| { |
| outb(0x67, dev->path.pnp.port); |
| outb(0x67, dev->path.pnp.port); |
| } |
| |
| void pnp_enter_conf_mode_7777(struct device *dev) |
| { |
| outb(0x77, dev->path.pnp.port); |
| outb(0x77, dev->path.pnp.port); |
| } |
| |
| void pnp_enter_conf_mode_8787(struct device *dev) |
| { |
| outb(0x87, dev->path.pnp.port); |
| outb(0x87, dev->path.pnp.port); |
| } |
| |
| void pnp_enter_conf_mode_a0a0(struct device *dev) |
| { |
| outb(0xa0, dev->path.pnp.port); |
| outb(0xa0, dev->path.pnp.port); |
| } |
| |
| void pnp_exit_conf_mode_aa(struct device *dev) |
| { |
| outb(0xaa, dev->path.pnp.port); |
| } |
| |
| void pnp_enter_conf_mode_870155aa(struct device *dev) |
| { |
| outb(0x87, dev->path.pnp.port); |
| outb(0x01, dev->path.pnp.port); |
| outb(0x55, dev->path.pnp.port); |
| |
| if (dev->path.pnp.port == 0x4e) |
| outb(0xaa, dev->path.pnp.port); |
| else |
| outb(0x55, dev->path.pnp.port); |
| } |
| |
| void pnp_exit_conf_mode_0202(struct device *dev) |
| { |
| outb(0x02, dev->path.pnp.port); |
| outb(0x02, dev->path.pnp.port + 1); |
| } |
| |
| |
| const struct pnp_mode_ops pnp_conf_mode_55_aa = { |
| .enter_conf_mode = pnp_enter_conf_mode_55, |
| .exit_conf_mode = pnp_exit_conf_mode_aa, |
| }; |
| |
| const struct pnp_mode_ops pnp_conf_mode_6767_aa = { |
| .enter_conf_mode = pnp_enter_conf_mode_6767, |
| .exit_conf_mode = pnp_exit_conf_mode_aa, |
| }; |
| |
| const struct pnp_mode_ops pnp_conf_mode_7777_aa = { |
| .enter_conf_mode = pnp_enter_conf_mode_7777, |
| .exit_conf_mode = pnp_exit_conf_mode_aa, |
| }; |
| |
| const struct pnp_mode_ops pnp_conf_mode_8787_aa = { |
| .enter_conf_mode = pnp_enter_conf_mode_8787, |
| .exit_conf_mode = pnp_exit_conf_mode_aa, |
| }; |
| |
| const struct pnp_mode_ops pnp_conf_mode_a0a0_aa = { |
| .enter_conf_mode = pnp_enter_conf_mode_a0a0, |
| .exit_conf_mode = pnp_exit_conf_mode_aa, |
| }; |
| |
| const struct pnp_mode_ops pnp_conf_mode_870155_aa = { |
| .enter_conf_mode = pnp_enter_conf_mode_870155aa, |
| .exit_conf_mode = pnp_exit_conf_mode_0202, |
| }; |