src/superio/winbond/w83627thf/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 #include <arch/io.h>
   8 #include <device/device.h>
   9 #include <device/pnp.h>
  10 #include <console/console.h>
  11 #include <string.h>
  12 #include <bitops.h>
  13 #include <uart8250.h>
  14 #include <pc80/keyboard.h>
  15 #include <stdlib.h>
  16 #include "chip.h"
  17 #include "w83627thf.h"
  18
  19 static void w83627thf_enter_ext_func_mode(device_t dev)
  20 {
  21         outb(0x87, dev->path.u.pnp.port);
  22         outb(0x87, dev->path.u.pnp.port);
  23 }
  24 static void w83627thf_exit_ext_func_mode(device_t dev)
  25 {
  26         outb(0xaa, dev->path.u.pnp.port);
  27 }
  28
  29 static void w83627thf_init(device_t dev)
  30 {
  31         struct superio_winbond_w83627thf_config *conf;
  32         struct resource *res0, *res1;
  33         /* Wishlist handle well known programming interfaces more
  34          * generically.
  35          */
  36         if (!dev->enabled) {
  37                 return;
  38         }
  39         conf = dev->chip_info;
  40         switch(dev->path.u.pnp.device) {
  41         case W83627THF_SP1:
  42                 res0 = find_resource(dev, PNP_IDX_IO0);
  43                 init_uart8250(res0->base, &conf->com1);
  44                 break;
  45         case W83627THF_SP2:
  46                 res0 = find_resource(dev, PNP_IDX_IO0);
  47                 init_uart8250(res0->base, &conf->com2);
  48                 break;
  49         case W83627THF_KBC:
  50                 res0 = find_resource(dev, PNP_IDX_IO0);
  51                 res1 = find_resource(dev, PNP_IDX_IO1);
  52                 init_pc_keyboard(res0->base, res1->base, &conf->keyboard);
  53                 break;
  54         }
  55 }
  56
  57 static void w83627thf_set_resources(device_t dev)
  58 {
  59         w83627thf_enter_ext_func_mode(dev);
  60         pnp_set_resources(dev);
  61         w83627thf_exit_ext_func_mode(dev);
  62 }
  63
  64 static void w83627thf_enable_resources(device_t dev)
  65 {
  66         w83627thf_enter_ext_func_mode(dev);
  67         pnp_enable_resources(dev);
  68         w83627thf_exit_ext_func_mode(dev);
  69 }
  70
  71 static void w83627thf_enable(device_t dev)
  72 {
  73         w83627thf_enter_ext_func_mode(dev);
  74         pnp_enable(dev);
  75         w83627thf_exit_ext_func_mode(dev);
  76 }
  77
  78
  79 static struct device_operations ops = {
  80         .read_resources   = pnp_read_resources,
  81         .set_resources    = w83627thf_set_resources,
  82         .enable_resources = w83627thf_enable_resources,
  83         .enable           = w83627thf_enable,
  84         .init             = w83627thf_init,
  85 };
  86
  87 static struct pnp_info pnp_dev_info[] = {
  88         { &ops, W83627THF_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
  89         { &ops, W83627THF_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
  90         { &ops, W83627THF_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
  91         { &ops, W83627THF_SP2,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
  92         // No 4 { 0,},
  93         { &ops, W83627THF_KBC,  PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
  94         { &ops, W83627THF_CIR, PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
  95         { &ops, W83627THF_GAME_MIDI_GPIO1, PNP_IO0 | PNP_IO1 | PNP_IRQ0, { 0x7ff, 0 }, {0x7fe, 4} },
  96         // { W83627THF_GPIO2,},
  97         // { W83627THF_GPIO3,},
  98         { &ops, W83627THF_ACPI, PNP_IRQ0,  },
  99         { &ops, W83627THF_HWM,  PNP_IO0 | PNP_IRQ0, { 0xff8, 0 } },
 100 };
 101
 102 static void enable_dev(device_t dev)
 103 {
 104         pnp_enable_devices(dev, &ops,
 105                 ARRAY_SIZE(pnp_dev_info), pnp_dev_info);
 106 }
 107
 108 struct chip_operations superio_winbond_w83627thf_ops = {
 109         CHIP_NAME("Winbond W83627THF Super I/O")
 110         .enable_dev = enable_dev,
 111 };