src/superio/ite/it8718f/superio.c

   1 /*
   2  * This file is part of the LinuxBIOS project.
   3  *
   4  * Copyright (C) 2006 Uwe Hermann <uwe@hermann-uwe.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
  19  */
  20
  21 #include <device/device.h>
  22 #include <device/pnp.h>
  23 #include <uart8250.h>
  24 #include <pc80/keyboard.h>
  25 #include "chip.h"
  26 #include "it8718f.h"
  27
  28 static void init(device_t dev)
  29 {
  30         struct superio_ite_it8718f_config *conf;
  31         struct resource *res0, *res1;
  32
  33         if (!dev->enabled) {
  34                 return;
  35         }
  36
  37         conf = dev->chip_info;
  38
  39         switch (dev->path.u.pnp.device) {
  40         case IT8718F_FDC: /* TODO. */
  41                 break;
  42         case IT8718F_SP1:
  43                 res0 = find_resource(dev, PNP_IDX_IO0);
  44                 init_uart8250(res0->base, &conf->com1);
  45                 break;
  46         case IT8718F_SP2:
  47                 res0 = find_resource(dev, PNP_IDX_IO0);
  48                 init_uart8250(res0->base, &conf->com2);
  49                 break;
  50         case IT8718F_PP: /* TODO. */
  51                 break;
  52         case IT8718F_EC: /* TODO. */
  53                 break;
  54         case IT8718F_KBCK:
  55                 res0 = find_resource(dev, PNP_IDX_IO0);
  56                 res1 = find_resource(dev, PNP_IDX_IO1);
  57                 init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
  58                 break;
  59         case IT8718F_KBCM: /* TODO. */
  60                 break;
  61         case IT8718F_IR: /* TODO. */
  62                 break;
  63         }
  64 }
  65
  66 static struct device_operations ops = {
  67         .read_resources   = pnp_read_resources,
  68         .set_resources    = pnp_set_resources,
  69         .enable_resources = pnp_enable_resources,
  70         .enable           = pnp_enable,
  71         .init             = init,
  72 };
  73
  74 /* TODO: FDC, PP, EC, KBCM, IR. */
  75 static struct pnp_info pnp_dev_info[] = {
  76  { &ops, IT8718F_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
  77  { &ops, IT8718F_SP2,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0 | PNP_DRQ1, { 0x7f8, 0 }, },
  78  { &ops, IT8718F_KBCK, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7f8, 0 }, { 0x7f8, 0x4}, },
  79 };
  80
  81 static void enable_dev(struct device *dev)
  82 {
  83         pnp_enable_devices(dev, &pnp_ops,
  84                 sizeof(pnp_dev_info)/sizeof(pnp_dev_info[0]), pnp_dev_info);
  85 }
  86
  87 struct chip_operations superio_ite_it8718f_ops = {
  88         CHIP_NAME("ITE IT8718F Super I/O")
  89         .enable_dev = enable_dev,
  90 };
  91