src/superio/winbond/w83977tf/superio.c

   1 /* Copyright 2000  AG Electronics Ltd. */
   2 /* Copyright 2003-2004 Linux Networx */
   3 /* Copyright 2004 Tyan
   4    By LYH change from PC87360 */
   5 /* This code is distributed without warranty under the GPL v2 (see COPYING) */
   6
   7 /* 2006-4-24
   8  * Adapted for the w83977 by rsmith <smithbone@gmail.com>
   9  * This is mostly just a search and replace on the part type
  10  * TODO: Actually see if all the sub functionis exist and are
  11  *       setup correctly.
  12  */
  13
  14 #include <arch/io.h>
  15 #include <device/device.h>
  16 #include <device/pnp.h>
  17 #include <console/console.h>
  18 #include <string.h>
  19 #include <bitops.h>
  20 #include <uart8250.h>
  21 #include <pc80/keyboard.h>
  22 #include <stdlib.h>
  23 #include "chip.h"
  24 #include "w83977tf.h"
  25
  26 static void w83977tf_enter_ext_func_mode(device_t dev)
  27 {
  28         outb(0x87, dev->path.pnp.port);
  29         outb(0x87, dev->path.pnp.port);
  30 }
  31 static void w83977tf_exit_ext_func_mode(device_t dev)
  32 {
  33         outb(0xaa, dev->path.pnp.port);
  34 }
  35
  36 static void w83977tf_init(device_t dev)
  37 {
  38         struct superio_winbond_w83977tf_config *conf;
  39         struct resource *res0, *res1;
  40         /* Wishlist handle well known programming interfaces more
  41          * generically.
  42          */
  43         if (!dev->enabled) {
  44                 return;
  45         }
  46         conf = dev->chip_info;
  47         switch(dev->path.pnp.device) {
  48         case W83977TF_SP1:
  49                 res0 = find_resource(dev, PNP_IDX_IO0);
  50                 init_uart8250(res0->base, &conf->com1);
  51                 break;
  52         case W83977TF_SP2:
  53                 res0 = find_resource(dev, PNP_IDX_IO0);
  54                 init_uart8250(res0->base, &conf->com2);
  55                 break;
  56         case W83977TF_KBC:
  57                 res0 = find_resource(dev, PNP_IDX_IO0);
  58                 res1 = find_resource(dev, PNP_IDX_IO1);
  59                 init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
  60                 break;
  61         }
  62 }
  63
  64 static void w83977tf_set_resources(device_t dev)
  65 {
  66         w83977tf_enter_ext_func_mode(dev);
  67         pnp_set_resources(dev);
  68         w83977tf_exit_ext_func_mode(dev);
  69 }
  70
  71 static void w83977tf_enable_resources(device_t dev)
  72 {
  73         w83977tf_enter_ext_func_mode(dev);
  74         pnp_enable_resources(dev);
  75         w83977tf_exit_ext_func_mode(dev);
  76 }
  77
  78 static void w83977tf_enable(device_t dev)
  79 {
  80         w83977tf_enter_ext_func_mode(dev);
  81         pnp_enable(dev);
  82         w83977tf_exit_ext_func_mode(dev);
  83 }
  84
  85
  86 static struct device_operations ops = {
  87         .read_resources   = pnp_read_resources,
  88         .set_resources    = w83977tf_set_resources,
  89         .enable_resources = w83977tf_enable_resources,
  90         .enable           = w83977tf_enable,
  91         .init             = w83977tf_init,
  92 };
  93
  94 static struct pnp_info pnp_dev_info[] = {
  95         { &ops, W83977TF_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
  96         { &ops, W83977TF_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
  97         { &ops, W83977TF_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
  98         { &ops, W83977TF_SP2,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
  99         // No 4 { 0,},
 100         { &ops, W83977TF_KBC,  PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
 101         { &ops, W83977TF_CIR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
 102         { &ops, W83977TF_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 4} },
 103         { &ops, W83977TF_ACPI, PNP_IRQ0,  },
 104 };
 105
 106 static void enable_dev(device_t dev)
 107 {
 108         pnp_enable_devices(dev, &ops,
 109                 ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
 110 }
 111
 112 struct chip_operations superio_winbond_w83977tf_ops = {
 113         CHIP_NAME("Winbond W83977TF Super I/O")
 114         .enable_dev = enable_dev,
 115 };