C and other Super I/O cosmetic fixes.
[coreboot.git] / src / superio / smsc / lpc47m10x / superio.c
index 1cb7e7d2621571a02718b43e1a4eb60f9a23a255..c935d628cfb0cfc12a98cabd0bc02ffdcdd277b9 100644 (file)
@@ -1,11 +1,11 @@
 /*
- * superio.c: RAM driver for SMSC LPC47M10X2 Super I/O chip
+ * This file is part of the coreboot project.
  *
- * Copyright 2000  AG Electronics Ltd.
- * Copyright 2003-2004 Linux Networx
- * Copyright 2004 Tyan
+ * Copyright (C) 2000 AG Electronics Ltd.
+ * Copyright (C) 2003-2004 Linux Networx
+ * Copyright (C) 2004 Tyan
  * Copyright (C) 2005 Digital Design Corporation
- * Copyright (C) Ron Minnich, LANL
+ * Copyright (C) 2006 Ron Minnich, LANL
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -44,7 +44,7 @@ static void lpc47m10x_init(device_t dev);
 
 static void pnp_enter_conf_state(device_t dev);
 static void pnp_exit_conf_state(device_t dev);
-//static void dump_pnp_device(device_t dev);
+// static void dump_pnp_device(device_t dev);
 
 struct chip_operations superio_smsc_lpc47m10x_ops = {
        CHIP_NAME("SMSC LPC47M10x Super I/O")
@@ -60,11 +60,11 @@ static struct device_operations ops = {
 };
 
 static struct pnp_info pnp_dev_info[] = {
-       { &ops, LPC47M10X2_FDC,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
-       { &ops, LPC47M10X2_PP,   PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, { 0x07f8, 0}, },
-       { &ops, LPC47M10X2_SP1,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
-       { &ops, LPC47M10X2_SP2,  PNP_IO0 | PNP_IRQ0, { 0x7f8, 0 }, },
-       { &ops, LPC47M10X2_KBC,  PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, { 0x7ff, 0 }, { 0x7ff, 0x4}, },
+       { &ops, LPC47M10X2_FDC, PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
+       { &ops, LPC47M10X2_PP,  PNP_IO0 | PNP_IRQ0 | PNP_DRQ0, {0x07f8, 0}, },
+       { &ops, LPC47M10X2_SP1, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+       { &ops, LPC47M10X2_SP2, PNP_IO0 | PNP_IRQ0, {0x07f8, 0}, },
+       { &ops, LPC47M10X2_KBC, PNP_IO0 | PNP_IO1 | PNP_IRQ0 | PNP_IRQ1, {0x07ff, 0}, {0x07ff, 4}, },
 };
 
 /**
@@ -103,13 +103,7 @@ static void lpc47m10x_pnp_enable(device_t dev)
 {
        pnp_enter_conf_state(dev);
        pnp_set_logical_device(dev);
-
-       if(dev->enabled) {
-               pnp_set_enable(dev, 1);
-       }
-       else {
-               pnp_set_enable(dev, 0);
-       }
+       pnp_set_enable(dev, (dev->enabled) ? 1 : 0);
        pnp_exit_conf_state(dev);
 }
 
@@ -134,25 +128,21 @@ static void lpc47m10x_init(device_t dev)
                res0 = find_resource(dev, PNP_IDX_IO0);
                init_uart8250(res0->base, &conf->com1);
                break;
-
        case LPC47M10X2_SP2:
                res0 = find_resource(dev, PNP_IDX_IO0);
                init_uart8250(res0->base, &conf->com2);
                break;
-
        case LPC47M10X2_KBC:
                pc_keyboard_init(&conf->keyboard);
                break;
        }
 }
 
-/** Enable access to the LPC47M10X2's configuration registers. */
 static void pnp_enter_conf_state(device_t dev)
 {
        outb(0x55, dev->path.pnp.port);
 }
 
-/** Disable access to the LPC47M10X2's configuration registers. */
 static void pnp_exit_conf_state(device_t dev)
 {
        outb(0xaa, dev->path.pnp.port);
@@ -168,30 +158,32 @@ static void pnp_exit_conf_state(device_t dev)
  */
 static void dump_pnp_device(device_t dev)
 {
-       int register_index;
+       int i;
        print_debug("\n");
 
-       for(register_index = 0; register_index <= LPC47M10X2_MAX_CONFIG_REGISTER; register_index++) {
-               uint8_t register_value;
+       for (i = 0; i <= LPC47M10X2_MAX_CONFIG_REGISTER; i++) {
+               u8 register_value;
 
-               if ((register_index & 0x0f) == 0) {
-                       print_debug_hex8(register_index);
+               if ((i & 0x0f) == 0) {
+                       print_debug_hex8(i);
                        print_debug_char(':');
                }
 
-               /* Skip over 'register' that would cause exit from configuration mode */
-               if (register_index == 0xaa)
+               /*
+                * Skip over 'register' that would cause exit from
+                * configuration mode.
+                */
+               if (i == 0xaa)
                        register_value = 0xaa;
                else
-                       register_value = pnp_read_config(dev, register_index);
+                       register_value = pnp_read_config(dev, i);
 
                print_debug_char(' ');
                print_debug_hex8(register_value);
-               if ((register_index & 0x0f) == 0x0f) {
+               if ((i & 0x0f) == 0x0f)
                        print_debug("\n");
-               }
        }
 
-       print_debug("\n");
+       print_debug("\n");
 }
 #endif