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