/* * 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. */ #include <arch/io.h> #include <device/device.h> #include <device/pnp.h> #include <superio/conf_mode.h> #include <console/console.h> #include <string.h> #include <lib.h> #include <pc80/mc146818rtc.h> #include <stdlib.h> #include <pc80/keyboard.h> #include "chip.h" #include "w83697hf.h" 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(struct device *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 struct device_operations ops = { .read_resources = pnp_read_resources, .set_resources = pnp_set_resources, .enable_resources = pnp_enable_resources, .enable = pnp_alt_enable, .init = w83697hf_init, .ops_pnp_mode = &pnp_conf_mode_8787_aa, }; static struct pnp_info pnp_dev_info[] = { { &ops, W83697HF_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, }, { &ops, W83697HF_PP, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, 0x07f8, }, { &ops, W83697HF_SP1, PNP_IO0 | PNP_IRQ0, 0x07f8, }, { &ops, W83697HF_SP2, PNP_IO0 | PNP_IRQ0, 0x07f8, }, { &ops, W83697HF_CIR, PNP_IO0 | PNP_IRQ0, 0x07f8, }, { &ops, W83697HF_GAME_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, 0x07ff, 0x07fe, }, { &ops, W83697HF_MIDI_GPIO5, }, { &ops, W83697HF_GPIO234, }, { &ops, W83697HF_ACPI, }, { &ops, W83697HF_HWM, PNP_IO0 | PNP_IRQ0, 0x0ff8, }, }; 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, };