src/superio/winbond/w83977tf/superio.c

   1 /*
   2  * This file is part of the coreboot project.
   3  *
   4  * Copyright (C) 2000 AG Electronics Ltd.
   5  * Copyright (C) 2003-2004 Linux Networx
   6  * Copyright (C) 2004 Tyan By LYH change from PC87360
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  21  */
  22
  23 /* 2006-4-24
  24  * Adapted for the w83977 by rsmith <smithbone@gmail.com>
  25  * This is mostly just a search and replace on the part type
  26  * TODO: Actually see if all the sub functionis exist and are
  27  *       setup correctly.
  28  */
  29
  30 #include <arch/io.h>
  31 #include <device/device.h>
  32 #include <device/pnp.h>
  33 #include <console/console.h>
  34 #include <string.h>
  35 #include <bitops.h>
  36 #include <uart8250.h>
  37 #include <pc80/keyboard.h>
  38 #include <stdlib.h>
  39 #include "chip.h"
  40 #include "w83977tf.h"
  41
  42 static void w83977tf_enter_ext_func_mode(device_t dev)
  43 {
  44         outb(0x87, dev->path.pnp.port);
  45         outb(0x87, dev->path.pnp.port);
  46 }
  47 static void w83977tf_exit_ext_func_mode(device_t dev)
  48 {
  49         outb(0xaa, dev->path.pnp.port);
  50 }
  51
  52 static void w83977tf_init(device_t dev)
  53 {
  54         struct superio_winbond_w83977tf_config *conf;
  55         struct resource *res0, *res1;
  56         /* Wishlist handle well known programming interfaces more
  57          * generically.
  58          */
  59         if (!dev->enabled) {
  60                 return;
  61         }
  62         conf = dev->chip_info;
  63         switch(dev->path.pnp.device) {
  64         case W83977TF_SP1:
  65                 res0 = find_resource(dev, PNP_IDX_IO0);
  66                 init_uart8250(res0->base, &conf->com1);
  67                 break;
  68         case W83977TF_SP2:
  69                 res0 = find_resource(dev, PNP_IDX_IO0);
  70                 init_uart8250(res0->base, &conf->com2);
  71                 break;
  72         case W83977TF_KBC:
  73                 res0 = find_resource(dev, PNP_IDX_IO0);
  74                 res1 = find_resource(dev, PNP_IDX_IO1);
  75                 pc_keyboard_init(&conf->keyboard);
  76                 break;
  77         }
  78 }
  79
  80 static void w83977tf_set_resources(device_t dev)
  81 {
  82         w83977tf_enter_ext_func_mode(dev);
  83         pnp_set_resources(dev);
  84         w83977tf_exit_ext_func_mode(dev);
  85 }
  86
  87 static void w83977tf_enable_resources(device_t dev)
  88 {
  89         w83977tf_enter_ext_func_mode(dev);
  90         pnp_enable_resources(dev);
  91         w83977tf_exit_ext_func_mode(dev);
  92 }
  93
  94 static void w83977tf_enable(device_t dev)
  95 {
  96         w83977tf_enter_ext_func_mode(dev);
  97         pnp_enable(dev);
  98         w83977tf_exit_ext_func_mode(dev);
  99 }
 100
 101 static struct device_operations ops = {
 102         .read_resources   = pnp_read_resources,
 103         .set_resources    = w83977tf_set_resources,
 104         .enable_resources = w83977tf_enable_resources,
 105         .enable           = w83977tf_enable,
 106         .init             = w83977tf_init,
 107 };
 108
 109 static struct pnp_info pnp_dev_info[] = {
 110         { &ops, W83977TF_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
 111         { &ops, W83977TF_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
 112         { &ops, W83977TF_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
 113         { &ops, W83977TF_SP2,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
 114         /* No 4 { 0,}, */
 115         { &ops, W83977TF_KBC,  PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
 116         { &ops, W83977TF_CIR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
 117         { &ops, W83977TF_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 4} },
 118         { &ops, W83977TF_ACPI, PNP_IRQ0,  },
 119 };
 120
 121 static void enable_dev(device_t dev)
 122 {
 123         pnp_enable_devices(dev, &ops,
 124                 ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
 125 }
 126
 127 struct chip_operations superio_winbond_w83977tf_ops = {
 128         CHIP_NAME("Winbond W83977TF Super I/O")
 129         .enable_dev = enable_dev,
 130 };