| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright (C) 2008 Sean Nelson <snelson@nmt.edu> |
| * |
| * 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. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #include <arch/io.h> |
| #include <device/device.h> |
| #include <device/pnp.h> |
| #include <console/console.h> |
| #include <string.h> |
| #include <lib.h> |
| #include <uart8250.h> |
| #include <pc80/mc146818rtc.h> |
| #include <stdlib.h> |
| #include "chip.h" |
| #include "w83697hf.h" |
| |
| static void pnp_enter_ext_func_mode(device_t dev) |
| { |
| outb(0x87, dev->path.pnp.port); |
| outb(0x87, dev->path.pnp.port); |
| } |
| |
| static void pnp_exit_ext_func_mode(device_t dev) |
| { |
| outb(0xaa, dev->path.pnp.port); |
| } |
| |
| static void hwmon_set_fan_divisor(unsigned int base, int num, unsigned int divisor) { |
| unsigned char enc, buf; |
| |
| if (divisor) { |
| enc = log2(divisor); |
| if (1 << enc != divisor || enc > 7) |
| die("invalid fan divisor"); |
| outb(0x4e, base + 5); |
| outb(0x00, base + 6); |
| outb(0x47, base + 5); |
| outb((inb(base + 6) & ~(0x30 << (num * 2))) | ((enc & 3) << (4 + num * 2)), base + 6); |
| outb(0x5d, base + 5); |
| buf = inb(base + 6); |
| /* the above inb() auto-increments the address pointer ... */ |
| outb(0x5d, base + 5); |
| outb((buf & ~(0x20 << num)) | ((enc & 4) << (3 + num)), base + 6); |
| } |
| } |
| |
| static void w83697hf_init(device_t dev) |
| { |
| struct resource *res0; |
| struct superio_winbond_w83697hf_config *cfg; |
| |
| if (!dev->enabled) |
| return; |
| |
| cfg = dev->chip_info; |
| |
| switch (dev->path.pnp.device) { |
| case W83697HF_HWM: |
| if (cfg) { |
| res0 = find_resource(dev, PNP_IDX_IO0); |
| hwmon_set_fan_divisor(res0->base, 0, cfg->hwmon_fan1_divisor); |
| hwmon_set_fan_divisor(res0->base, 1, cfg->hwmon_fan2_divisor); |
| } |
| break; |
| } |
| } |
| |
| static void w83697hf_pnp_set_resources(device_t dev) |
| { |
| pnp_enter_ext_func_mode(dev); |
| pnp_set_resources(dev); |
| pnp_exit_ext_func_mode(dev); |
| } |
| |
| static void w83697hf_pnp_enable(device_t dev) |
| { |
| pnp_enter_ext_func_mode(dev); |
| pnp_set_logical_device(dev); |
| pnp_set_enable(dev, !!dev->enabled); |
| pnp_exit_ext_func_mode(dev); |
| } |
| |
| static void w83697hf_pnp_enable_resources(device_t dev) |
| { |
| pnp_enter_ext_func_mode(dev); |
| pnp_enable_resources(dev); |
| pnp_exit_ext_func_mode(dev); |
| } |
| |
| static struct device_operations ops = { |
| .read_resources = pnp_read_resources, |
| .set_resources = w83697hf_pnp_set_resources, |
| .enable_resources = w83697hf_pnp_enable_resources, |
| .enable = w83697hf_pnp_enable, |
| .init = w83697hf_init, |
| }; |
| |
| static struct pnp_info pnp_dev_info[] = { |
| { &ops, W83697HF_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, }, |
| { &ops, W83697HF_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, }, |
| { &ops, W83697HF_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, |
| { &ops, W83697HF_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, |
| { &ops, W83697HF_CIR, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, }, |
| { &ops, W83697HF_GAME_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, {0x07ff, 0}, {0x07fe, 4}, }, |
| { &ops, W83697HF_MIDI_GPIO5, }, |
| { &ops, W83697HF_GPIO234, }, |
| { &ops, W83697HF_ACPI, }, |
| { &ops, W83697HF_HWM, PNP_IO0 | PNP_IRQ0, {0x0ff8, 0}, }, |
| }; |
| |
| static void enable_dev(struct device *dev) |
| { |
| pnp_enable_devices(dev, &ops, ARRAY_SIZE(pnp_dev_info), pnp_dev_info); |
| } |
| |
| struct chip_operations superio_winbond_w83697hf_ops = { |
| CHIP_NAME("Winbond W83697HF Super I/O") |
| .enable_dev = enable_dev, |
| }; |