| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com> |
| * |
| * 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; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * 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 <device/pnp.h> |
| #include <superio/conf_mode.h> |
| #include <console/console.h> |
| #include <stdlib.h> |
| |
| #include "chip.h" |
| #include "f81216h.h" |
| |
| |
| static void pnp_enter_ext_func_mode(struct device *dev) |
| { |
| const struct superio_fintek_f81216h_config *conf = dev->chip_info; |
| |
| u8 key; |
| |
| /** |
| * KEY1 KEY0 Enter key |
| * 0 0 0x77 (default) |
| * 0 1 0xA0 |
| * 1 0 0x87 |
| * 1 1 0x67 |
| * |
| * See page 17 of data sheet. |
| */ |
| switch(conf->conf_key_mode) { |
| case MODE_6767: |
| case MODE_7777: |
| case MODE_8787: |
| case MODE_A0A0: |
| key = conf->conf_key_mode; |
| break; |
| default: |
| printk(BIOS_WARNING, "Warning: Undefined F81216 unlock key assignment!\n"); |
| printk(BIOS_WARNING, "Setting conf_key_mode to default\n"); |
| key = MODE_7777; /* try the hw default */ |
| break; |
| } |
| |
| outb(key, dev->path.pnp.port); |
| outb(key, dev->path.pnp.port); |
| } |
| |
| static void pnp_exit_ext_func_mode(struct device *dev) |
| { |
| outb(0xaa, dev->path.pnp.port); |
| } |
| |
| static const struct pnp_mode_ops pnp_conf_mode_ops = { |
| .enter_conf_mode = pnp_enter_ext_func_mode, |
| .exit_conf_mode = pnp_exit_ext_func_mode, |
| }; |
| |
| |
| static void f81216h_init(struct device *dev) |
| { |
| if (!dev->enabled) |
| return; |
| |
| switch(dev->path.pnp.device) { |
| case F81216H_SP1: |
| case F81216H_SP2: |
| case F81216H_SP3: |
| case F81216H_SP4: |
| case F81216H_WDT: |
| break; |
| } |
| } |
| |
| static struct device_operations ops = { |
| .read_resources = pnp_read_resources, |
| .set_resources = pnp_set_resources, |
| .enable_resources = pnp_enable_resources, |
| .enable = pnp_alt_enable, |
| .init = f81216h_init, |
| .ops_pnp_mode = &pnp_conf_mode_ops, |
| }; |
| |
| static struct pnp_info pnp_dev_info[] = { |
| { &ops, F81216H_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, |
| { &ops, F81216H_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, |
| { &ops, F81216H_SP3, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, |
| { &ops, F81216H_SP4, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, |
| { &ops, F81216H_WDT, }, |
| }; |
| |
| static void enable_dev(struct device *dev) |
| { |
| pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); |
| } |
| |
| struct chip_operations superio_fintek_f81216h_ops = { |
| CHIP_NAME("Fintek F81216H/D/DG/F/FG Super I/O") |
| .enable_dev = enable_dev |
| }; |