target/linux/linux-2.4/patches/brcm/004-diag_led.patch

   1 diff -Nur linux-2.4.30/drivers/net/diag/Makefile linux-2.4.30.openwrt/drivers/net/diag/Makefile
   2 --- linux-2.4.30/drivers/net/diag/Makefile      1970-01-01 01:00:00.000000000 +0100
   3 +++ linux-2.4.30.openwrt/drivers/net/diag/Makefile      2005-06-28 11:35:26.000000000 +0200
   4 @@ -0,0 +1,13 @@
   5 +#$Id$
   6 +
   7 +EXTRA_CFLAGS := -I$(TOPDIR)/arch/mips/bcm947xx/include -DBCMDRIVER
   8 +
   9 +O_TARGET       := diag.o
  10 +
  11 +MAC_OBJS       := diag_led.o
  12 +
  13 +export-objs    :=
  14 +obj-y          := $(MAC_OBJS)
  15 +obj-m          := $(O_TARGET)
  16 +
  17 +include $(TOPDIR)/Rules.make
  18 diff -Nur linux-2.4.30/drivers/net/diag/diag_led.c linux-2.4.30.openwrt/drivers/net/diag/diag_led.c
  19 --- linux-2.4.30/drivers/net/diag/diag_led.c    1970-01-01 01:00:00.000000000 +0100
  20 +++ linux-2.4.30.openwrt/drivers/net/diag/diag_led.c    2005-06-28 11:35:26.000000000 +0200
  21 @@ -0,0 +1,244 @@
  22 +/*
  23 + * diag_led.c - replacement diag module
  24 + *
  25 + * Copyright (C) 2004 Mike Baker,
  26 + *                    Imre Kaloz <kaloz@dune.hu>
  27 + *
  28 + * This program is free software; you can redistribute it and/or
  29 + * modify it under the terms of the GNU General Public License
  30 + * as published by the Free Software Foundation; either version 2
  31 + * of the License, or (at your option) any later version.
  32 + *
  33 + * This program is distributed in the hope that it will be useful,
  34 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
  35 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  36 + * GNU General Public License for more details.
  37 + *
  38 + * You should have received a copy of the GNU General Public License
  39 + * along with this program; if not, write to the Free Software
  40 + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  41 + *
  42 + * $Id: diag_led.c,v 1.5 2005/04/18 09:05:24 mbm Exp $
  43 + */
  44 +
  45 +/*
  46 + * ChangeLog:
  47 + * 2004/03/28 initial release
  48 + * 2004/08/26 asus & buffalo support added
  49 + * 2005/03/14 asus wl-500g deluxe and buffalo v2 support added
  50 + * 2005/04/13 added licensing informations
  51 + * 2005/04/18 base reset polarity off initial readings
  52 + */
  53 +
  54 +#include <linux/module.h>
  55 +#include <linux/init.h>
  56 +#include <linux/kernel.h>
  57 +#include <linux/sysctl.h>
  58 +#include <asm/io.h>
  59 +#include <typedefs.h>
  60 +#include <bcmdevs.h>
  61 +#include <sbutils.h>
  62 +
  63 +extern char * nvram_get(const char *name);
  64 +static void *sbh;
  65 +
  66 +// v2.x - - - - -
  67 +#define DIAG_GPIO (1<<1)
  68 +#define DMZ_GPIO  (1<<7)
  69 +
  70 +static void set_gpio(uint32 mask, uint32 value) {
  71 +       sb_gpiocontrol(sbh,mask,0);
  72 +       sb_gpioouten(sbh,mask,mask);
  73 +       sb_gpioout(sbh,mask,value);
  74 +}
  75 +
  76 +static void v2_set_diag(u8 state) {
  77 +       set_gpio(DIAG_GPIO,state);
  78 +}
  79 +static void v2_set_dmz(u8 state) {
  80 +       set_gpio(DMZ_GPIO,state);
  81 +}
  82 +
  83 +// v1.x - - - - -
  84 +#define LED_DIAG   0x13
  85 +#define LED_DMZ    0x12
  86 +
  87 +static void v1_set_diag(u8 state) {
  88 +       if (!state) {
  89 +               *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG)=0xFF;
  90 +       } else {
  91 +               *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG);
  92 +       }
  93 +}
  94 +static void v1_set_dmz(u8 state) {
  95 +       if (!state) {
  96 +               *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ)=0xFF;
  97 +       } else {
  98 +               *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ);
  99 +       }
 100 +}
 101 +
 102 +// - - - - -
 103 +static void ignore(u8 ignored) {};
 104 +
 105 +// - - - - -
 106 +#define BIT_DMZ         0x01
 107 +#define BIT_DIAG        0x04
 108 +
 109 +void (*set_diag)(u8 state);
 110 +void (*set_dmz)(u8 state);
 111 +
 112 +static unsigned int diag = 0;
 113 +
 114 +static void diag_change()
 115 +{
 116 +       set_diag(0xFF); // off
 117 +       set_dmz(0xFF); // off
 118 +
 119 +       if(diag & BIT_DIAG)
 120 +               set_diag(0x00); // on
 121 +       if(diag & BIT_DMZ)
 122 +               set_dmz(0x00); // on
 123 +}
 124 +
 125 +static int proc_diag(ctl_table *table, int write, struct file *filp,
 126 +               void *buffer, size_t *lenp)
 127 +{
 128 +       int r;
 129 +       r = proc_dointvec(table, write, filp, buffer, lenp);
 130 +       if (write && !r) {
 131 +               diag_change();
 132 +       }
 133 +       return r;
 134 +}
 135 +
 136 +// - - - - -
 137 +static unsigned char reset_gpio = 0;
 138 +static unsigned char reset_polarity = 0;
 139 +static unsigned int reset = 0;
 140 +
 141 +static int proc_reset(ctl_table *table, int write, struct file *filp,
 142 +               void *buffer, size_t *lenp)
 143 +{
 144 +
 145 +       if (reset_gpio) {
 146 +               sb_gpiocontrol(sbh,reset_gpio,reset_gpio);
 147 +               sb_gpioouten(sbh,reset_gpio,0);
 148 +               reset=!(sb_gpioin(sbh)&reset_gpio);
 149 +
 150 +               if (reset_polarity) reset=!reset;
 151 +       } else {
 152 +               reset=0;
 153 +       }
 154 +
 155 +       return proc_dointvec(table, write, filp, buffer, lenp);
 156 +}
 157 +
 158 +// - - - - -
 159 +static struct ctl_table_header *diag_sysctl_header;
 160 +
 161 +static ctl_table sys_diag[] = {
 162 +         {
 163 +          ctl_name: 2000,
 164 +          procname: "diag",
 165 +          data: &diag,
 166 +          maxlen: sizeof(diag),
 167 +          mode: 0644,
 168 +          proc_handler: proc_diag
 169 +        },
 170 +        {
 171 +          ctl_name: 2001,
 172 +          procname: "reset",
 173 +          data: &reset,
 174 +          maxlen: sizeof(reset),
 175 +          mode: 0444,
 176 +          proc_handler: proc_reset
 177 +        },
 178 +         { 0 }
 179 +};
 180 +
 181 +static int __init diag_init()
 182 +{
 183 +       char *buf;
 184 +       u32 board_type;
 185 +       sbh = sb_kattach();
 186 +       sb_gpiosetcore(sbh);
 187 +
 188 +       board_type = sb_boardtype(sbh);
 189 +       printk(KERN_INFO "diag boardtype: %08x\n",board_type);
 190 +
 191 +       set_diag=ignore;
 192 +       set_dmz=ignore;
 193 +
 194 +       if ((board_type & 0xf00) == 0x400) {
 195 +               buf=nvram_get("boardtype")?:"";
 196 +               if (!strcmp(buf,"bcm94710dev")) {
 197 +                       buf=nvram_get("boardnum")?:"";
 198 +                       if (!strcmp(buf,"42")) {
 199 +                               // wrt54g v1.x
 200 +                               set_diag=v1_set_diag;
 201 +                               set_dmz=v1_set_dmz;
 202 +                               reset_gpio=(1<<6);
 203 +                       }
 204 +                       if (!strcmp(buf,"asusX")) {
 205 +                               //asus wl-500g
 206 +                               reset_gpio=(1<<6);
 207 +                       }
 208 +               }
 209 +               if (!strcmp(buf,"bcm94710ap")) {
 210 +                       buf=nvram_get("boardnum")?:"";
 211 +                       if (!strcmp(buf,"42")) {
 212 +                               // buffalo
 213 +                               set_dmz=v2_set_dmz;
 214 +                               reset_gpio=(1<<4);
 215 +                       }
 216 +                       if (!strcmp(buf,"44")) {
 217 +                               //dell truemobile
 218 +                               set_dmz=v2_set_dmz;
 219 +                               reset_gpio=(1<<0);
 220 +                       }
 221 +               }
 222 +       } else {
 223 +               buf=nvram_get("boardnum")?:"";
 224 +               if (!strcmp(buf,"42")) {
 225 +                       //linksys
 226 +                       set_diag=v2_set_diag;
 227 +                       set_dmz=v2_set_dmz;
 228 +                       reset_gpio=(1<<6);
 229 +               }
 230 +               if (!strcmp(buf,"44")) {
 231 +                       //motorola
 232 +                       reset_gpio=(1<<5);
 233 +               }
 234 +               if (!strcmp(buf,"00")) {
 235 +                       //buffalo
 236 +                       reset_gpio=(1<<7);
 237 +               }
 238 +               if (!strcmp(buf,"45")) {
 239 +                       //wl-500g deluxe
 240 +                       reset_gpio=(1<<6);
 241 +               }
 242 +       }
 243 +
 244 +
 245 +       sb_gpiocontrol(sbh,reset_gpio,reset_gpio);
 246 +       sb_gpioouten(sbh,reset_gpio,0);
 247 +       reset_polarity=!(sb_gpioin(sbh)&reset_gpio);
 248 +
 249 +       diag_sysctl_header = register_sysctl_table(sys_diag, 0);
 250 +       diag_change();
 251 +
 252 +       return 0;
 253 +}
 254 +
 255 +static void __exit diag_exit()
 256 +{
 257 +       unregister_sysctl_table(diag_sysctl_header);
 258 +}
 259 +
 260 +EXPORT_NO_SYMBOLS;
 261 +MODULE_AUTHOR("openwrt.org");
 262 +MODULE_LICENSE("GPL");
 263 +
 264 +module_init(diag_init);
 265 +module_exit(diag_exit);