* diag.c - GPIO interface driver for Broadcom boards
*
* Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
- * Felix Fietkau <nbd@openwrt.org>
+ * Copyright (C) 2006-2007 Felix Fietkau <nbd@openwrt.org>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
#include <linux/version.h>
#include <asm/uaccess.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#include <linux/kobject.h>
+#ifndef LINUX_2_4
#include <linux/workqueue.h>
-#define hotplug_path uevent_helper
+#include <linux/skbuff.h>
+#include <linux/netlink.h>
+#include <net/sock.h>
+extern struct sock *uevent_sock;
+extern u64 uevent_next_seqnum(void);
#else
#include <linux/tqueue.h>
#define INIT_WORK INIT_TQUEUE
#include "diag.h"
#define getvar(str) (nvram_get(str)?:"")
+static int fill_event(struct event_t *);
static unsigned int gpiomask = 0;
module_param(gpiomask, int, 0644);
WRT54G,
WRTSL54GS,
WRT54G3G,
+ WRT350N,
/* ASUS */
WLHDD,
WL500G,
WL500GD,
WL500GP,
+ WL500W,
ASUS_4702,
+ WL700GE,
/* Buffalo */
WBR2_G54,
WHR_HP_G54,
WHR2_A54G54,
WLA2_G54L,
+ WZR_G300N,
WZR_RS_G54,
+ WZR_RS_G54HP,
BUFFALO_UNKNOWN,
BUFFALO_UNKNOWN_4710,
WE800G,
WR850GV1,
WR850GV2V3,
+ WR850GP,
/* Belkin */
BELKIN_UNKNOWN,
+
+ /* Netgear */
+ WGT634U,
+
+ /* Trendware */
+ TEW411BRPP,
+
+ /* SimpleTech */
+ STI_NAS,
+
+ /* D-Link */
+ DIR130,
+ DIR330,
+ DWL3150,
};
+static void __init bcm4780_init(void) {
+ int pin = 1 << 3;
+
+ /* Enables GPIO 3 that controls HDD and led power on ASUS WL-700gE */
+ printk(MODULE_NAME ": Spinning up HDD and enabling leds\n");
+ gpio_outen(pin, pin);
+ gpio_control(pin, 0);
+ gpio_out(pin, pin);
+
+ /* Wait 5s, so the HDD can spin up */
+ set_current_state(TASK_INTERRUPTIBLE);
+ schedule_timeout(HZ * 5);
+}
+
static struct platform_t __initdata platforms[] = {
/* Linksys */
[WAP54GV1] = {
{ .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
},
},
+ [WRT350N] = {
+ .name = "Linksys WRT350N",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ { .name = "ses", .gpio = 1 << 8 },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
+ { .name = "ses", .gpio = 1 << 3, .polarity = REVERSE },
+ },
+ },
/* Asus */
[WLHDD] = {
.name = "ASUS WL-HDD",
},
.leds = {
{ .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
+ { .name = "usb", .gpio = 1 << 2, .polarity = NORMAL },
},
},
[WL300G] = {
{ .name = "power", .gpio = 1 << 1, .polarity = REVERSE },
},
},
+ [WL500W] = {
+ .name = "ASUS WL-500W",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ { .name = "ses", .gpio = 1 << 7 },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 5, .polarity = REVERSE },
+ },
+ },
[ASUS_4702] = {
.name = "ASUS (unknown, BCM4702)",
.buttons = {
{ .name = "power", .gpio = 1 << 0, .polarity = REVERSE },
},
},
+ [WL700GE] = {
+ .name = "ASUS WL-700gE",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
+ { .name = "ses", .gpio = 1 << 4 }, // on back, actual name ezsetup
+ { .name = "power", .gpio = 1 << 0 }, // on front
+ { .name = "copy", .gpio = 1 << 6 }, // on front
+ },
+ .leds = {
+#if 0
+ // GPIO that controls power led also enables/disables some essential functions
+ // - power to HDD
+ // - switch leds
+ { .name = "power", .gpio = 1 << 3, .polarity = NORMAL }, // actual name power
+#endif
+ { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
+ },
+ .platform_init = bcm4780_init,
+ },
/* Buffalo */
[WHR_G54S] = {
.name = "Buffalo WHR-G54S",
{ .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
{ .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
{ .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
+ { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
},
},
[WBR2_G54] = {
},
.leds = {
{ .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
+ { .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
{ .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
{ .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
+ { .name = "wlan", .gpio = 1 << 2, .polarity = REVERSE },
},
},
[WHR2_A54G54] = {
{ .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
},
},
+ [WZR_G300N] = {
+ .name = "Buffalo WZR-G300N",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 4 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
+ { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
+ { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
+ },
+ },
[WZR_RS_G54] = {
.name = "Buffalo WZR-RS-G54",
.buttons = {
{ .name = "ses", .gpio = 1 << 0 },
- { .name = "reset", .gpio = 1 << 7 },
+ { .name = "reset", .gpio = 1 << 4 },
},
.leds = {
- { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
+ { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
+ { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
+ { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
+ },
+ },
+ [WZR_RS_G54HP] = {
+ .name = "Buffalo WZR-RS-G54HP",
+ .buttons = {
+ { .name = "ses", .gpio = 1 << 0 },
+ { .name = "reset", .gpio = 1 << 4 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
+ { .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
+ { .name = "vpn", .gpio = 1 << 1, .polarity = REVERSE },
},
},
[BUFFALO_UNKNOWN] = {
{ .name = "reset", .gpio = 1 << 0 },
},
.leds = {
- { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
+ { .name = "wlan", .gpio = 1 << 6, .polarity = REVERSE },
+ { .name = "power", .gpio = 1 << 7, .polarity = REVERSE },
},
},
/* Motorola */
.buttons = {
{ .name = "reset", .gpio = 1 << 5 },
},
+ .leds = {
+ { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
+ { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
+ { .name = "wan", .gpio = 1 << 6, .polarity = INPUT },
+ { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
+ },
+ },
+ [WR850GP] = {
+ .name = "Motorola WR850GP",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 5 },
+ },
.leds = {
{ .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
{ .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
{ .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
},
},
+
/* Belkin */
[BELKIN_UNKNOWN] = {
.name = "Belkin (unknown)",
{ .name = "connected", .gpio = 1 << 0, .polarity = NORMAL },
},
},
+ /* Netgear */
+ [WGT634U] = {
+ .name = "Netgear WGT634U",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 2 },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 3, .polarity = NORMAL },
+ },
+ },
+ /* Trendware */
+ [TEW411BRPP] = {
+ .name = "Trendware TEW411BRP+",
+ .buttons = {
+ { /* No usable buttons */ },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 7, .polarity = NORMAL },
+ { .name = "wlan", .gpio = 1 << 1, .polarity = NORMAL },
+ { .name = "bridge", .gpio = 1 << 6, .polarity = NORMAL },
+ },
+ },
+ /* SimpleTech */
+ [STI_NAS] = {
+ .name = "SimpleTech SimpleShare NAS",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 7 }, // on back, hardwired, always resets device regardless OS state
+ { .name = "power", .gpio = 1 << 0 }, // on back
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE }, // actual name ready
+ },
+ .platform_init = bcm4780_init,
+ },
+ /* D-Link */
+ [DIR130] = {
+ .name = "D-Link DIR-130",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 3},
+ { .name = "reserved", .gpio = 1 << 7},
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 0},
+ { .name = "blue", .gpio = 1 << 6},
+ },
+ },
+ [DIR330] = {
+ .name = "D-Link DIR-330",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 3},
+ { .name = "reserved", .gpio = 1 << 7},
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 0},
+ { .name = "usb", .gpio = 1 << 4},
+ { .name = "blue", .gpio = 1 << 6},
+ },
+ },
+ [DWL3150] = {
+ .name = "D-Link DWL-3150",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 7},
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 2},
+ { .name = "status", .gpio = 1 << 1},
+ },
+ },
};
static struct platform_t __init *platform_detect(void)
{
char *boardnum, *boardtype, *buf;
+ if (strcmp(getvar("nvram_type"), "cfe") == 0)
+ return &platforms[WGT634U];
+
+ /* Look for a model identifier */
+
+ /* Based on "model_name" */
+ if (buf = nvram_get("model_name")) {
+ if (!strcmp(buf, "DIR-130"))
+ return &platforms[DIR130];
+ if (!strcmp(buf, "DIR-330"))
+ return &platforms[DIR330];
+ }
+
+ /* Based on "model_no" */
+ if (buf = nvram_get("model_no")) {
+ if (!strncmp(buf,"WL700", 5)) /* WL700* */
+ return &platforms[WL700GE];
+ }
+
+ /* Based on "ModelId" */
+ if (buf = nvram_get("ModelId")) {
+ if (!strcmp(buf, "WR850GP"))
+ return &platforms[WR850GP];
+ if (!strcmp(buf,"WX-5565"))
+ return &platforms[TM2300];
+ if (!strncmp(buf,"WE800G", 6)) /* WE800G* */
+ return &platforms[WE800G];
+ }
+
+ /* Buffalo */
+ if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
+ /* Buffalo hardware, check id for specific hardware matches */
+ if (!strcmp(buf, "29bb0332"))
+ return &platforms[WBR2_G54];
+ if (!strcmp(buf, "29129"))
+ return &platforms[WLA2_G54L];
+ if (!strcmp(buf, "30189"))
+ return &platforms[WHR_HP_G54];
+ if (!strcmp(buf, "30182"))
+ return &platforms[WHR_G54S];
+ if (!strcmp(buf, "290441dd"))
+ return &platforms[WHR2_A54G54];
+ if (!strcmp(buf, "31120"))
+ return &platforms[WZR_G300N];
+ if (!strcmp(buf, "30083"))
+ return &platforms[WZR_RS_G54];
+ if (!strcmp(buf, "30103"))
+ return &platforms[WZR_RS_G54HP];
+ }
+
+ /* no easy model number, attempt to guess */
boardnum = getvar("boardnum");
boardtype = getvar("boardtype");
+
if (strncmp(getvar("pmon_ver"), "CFE", 3) == 0) {
/* CFE based - newer hardware */
if (!strcmp(boardnum, "42")) { /* Linksys */
+ if (!strcmp(boardtype, "0x478") && !strcmp(getvar("cardbus"), "1"))
+ return &platforms[WRT350N];
+
if (!strcmp(boardtype, "0x0101") && !strcmp(getvar("boot_ver"), "v3.6"))
return &platforms[WRT54G3G];
if (!strcmp(boardnum, "45")) { /* ASUS */
if (!strcmp(boardtype,"0x042f"))
return &platforms[WL500GP];
+ else if (!strcmp(boardtype,"0x0472"))
+ return &platforms[WL500W];
else
return &platforms[WL500GD];
}
if (!strcmp(boardnum, "10496"))
return &platforms[USR5461];
+
} else { /* PMON based - old stuff */
if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
(simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30)) {
- if (!strncmp(getvar("ModelId"),"WE800G", 6))
- return &platforms[WE800G];
- else
- return &platforms[WR850GV1];
+ return &platforms[WR850GV1];
}
if (!strncmp(boardtype, "bcm94710dev", 11)) {
if (!strcmp(boardnum, "42"))
return &platforms[ASUS_4702];
}
- if ((buf = (nvram_get("melco_id") ?: nvram_get("buffalo_id")))) {
- /* Buffalo hardware, check id for specific hardware matches */
- if (!strcmp(buf, "29bb0332"))
- return &platforms[WBR2_G54];
- if (!strcmp(buf, "29129"))
- return &platforms[WLA2_G54L];
- if (!strcmp(buf, "30189"))
- return &platforms[WHR_HP_G54];
- if (!strcmp(buf, "30182"))
- return &platforms[WHR_G54S];
- if (!strcmp(buf, "290441dd"))
- return &platforms[WHR2_A54G54];
- if (!strcmp(buf, "30083"))
- return &platforms[WZR_RS_G54];
- }
-
if (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
if (!strncmp(boardtype, "bcm94710ap", 10))
return &platforms[BUFFALO_UNKNOWN_4710];
return &platforms[BUFFALO_UNKNOWN];
}
-
if (!strcmp(getvar("CFEver"), "MotoWRv203") ||
!strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
return &platforms[WR850GV2V3];
}
+ if (!strcmp(boardnum, "44")) { /* Trendware TEW-411BRP+ */
+ return &platforms[TEW411BRPP];
+ }
+
+ if (!strncmp(boardnum, "04FN52", 6)) /* SimpleTech SimpleShare */
+ return &platforms[STI_NAS];
+
+ if (!strcmp(getvar("boardnum"), "10") && !strcmp(getvar("boardrev"), "0x13")) /* D-Link DWL-3150 */
+ return &platforms[DWL3150];
+
/* not found */
return NULL;
}
gpio_set_irqenable(0, button_handler);
}
+
+#ifndef LINUX_2_4
+static void add_msg(struct event_t *event, char *msg, int argv)
+{
+ char *s;
+
+ if (argv)
+ return;
+
+ s = skb_put(event->skb, strlen(msg) + 1);
+ strcpy(s, msg);
+}
+
+static void hotplug_button(struct work_struct *work)
+{
+ struct event_t *event = container_of(work, struct event_t, wq);
+ char *s;
+
+ if (!uevent_sock)
+ return;
+
+ event->skb = alloc_skb(2048, GFP_KERNEL);
+
+ s = skb_put(event->skb, strlen(event->action) + 2);
+ sprintf(s, "%s@", event->action);
+ fill_event(event);
+
+ NETLINK_CB(event->skb).dst_group = 1;
+ netlink_broadcast(uevent_sock, event->skb, 0, 1, GFP_KERNEL);
+
+ kfree(event);
+}
+
+#else /* !LINUX_2_4 */
+static inline char *kzalloc(unsigned int size, unsigned int gfp)
+{
+ char *p;
+
+ p = kmalloc(size, gfp);
+ if (p == NULL)
+ return NULL;
+
+ memset(p, 0, size);
+
+ return p;
+}
+
+static void add_msg(struct event_t *event, char *msg, int argv)
+{
+ if (argv)
+ event->argv[event->anr++] = event->scratch;
+ else
+ event->envp[event->enr++] = event->scratch;
+
+ event->scratch += sprintf(event->scratch, "%s", msg) + 1;
+}
+
static void hotplug_button(struct event_t *event)
{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
- call_usermodehelper (event->argv[0], event->argv, event->envp, 1);
-#else
+ char *scratch = kzalloc(256, GFP_KERNEL);
+ event->scratch = scratch;
+
+ add_msg(event, hotplug_path, 1);
+ add_msg(event, "button", 1);
+ fill_event(event);
call_usermodehelper (event->argv[0], event->argv, event->envp);
-#endif
+ kfree(scratch);
kfree(event);
}
+#endif /* !LINUX_2_4 */
+
+static int fill_event (struct event_t *event)
+{
+ static char buf[128];
+
+ add_msg(event, "HOME=/", 0);
+ add_msg(event, "PATH=/sbin:/bin:/usr/sbin:/usr/bin", 0);
+ add_msg(event, "SUBSYSTEM=button", 0);
+ snprintf(buf, 128, "ACTION=%s", event->action);
+ add_msg(event, buf, 0);
+ snprintf(buf, 128, "BUTTON=%s", event->name);
+ add_msg(event, buf, 0);
+ snprintf(buf, 128, "SEEN=%ld", event->seen);
+ add_msg(event, buf, 0);
+#ifndef LINUX_2_4
+ snprintf(buf, 128, "SEQNUM=%llu", uevent_next_seqnum());
+ add_msg(event, buf, 0);
+#endif
+
+ return 0;
+}
+
+#ifndef LINUX_2_4
+static irqreturn_t button_handler(int irq, void *dev_id)
+#else
static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
+#endif
{
struct button_t *b;
u32 in, changed;
changed = platform.button_polarity ^ in;
platform.button_polarity = in;
+ changed &= ~gpio_outen(0, 0);
+
for (b = platform.buttons; b->name; b++) {
struct event_t *event;
b->pressed ^= 1;
- if ((event = (struct event_t *)kmalloc (sizeof(struct event_t), GFP_ATOMIC))) {
- int i;
- char *scratch = event->buf;
-
- i = 0;
- event->argv[i++] = hotplug_path;
- event->argv[i++] = "button";
- event->argv[i] = 0;
-
- i = 0;
- event->envp[i++] = "HOME=/";
- event->envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
- event->envp[i++] = scratch;
- scratch += sprintf (scratch, "ACTION=%s", b->pressed?"pressed":"released") + 1;
- event->envp[i++] = scratch;
- scratch += sprintf (scratch, "BUTTON=%s", b->name) + 1;
- event->envp[i++] = scratch;
- scratch += sprintf (scratch, "SEEN=%ld", (jiffies - b->seen)/HZ) + 1;
- event->envp[i] = 0;
-
+ if ((event = (struct event_t *)kzalloc (sizeof(struct event_t), GFP_ATOMIC))) {
+ event->seen = (jiffies - b->seen)/HZ;
+ event->name = b->name;
+ event->action = b->pressed ? "pressed" : "released";
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,20)
+ INIT_WORK(&event->wq, (void *)(void *)hotplug_button);
+#else
INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
+#endif
schedule_work(&event->wq);
}
{
struct proc_dir_entry *p;
u32 mask = 0;
+ u32 oe_mask = 0;
u32 val = 0;
leds = proc_mkdir("led", diag);
l->state = 0;
set_led_extif(l);
} else {
+ if (l->polarity != INPUT) oe_mask != l->gpio;
mask |= l->gpio;
val |= (l->polarity == NORMAL)?0:l->gpio;
}
+ if (l->polarity == INPUT) continue;
+
if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
l->proc.type = PROC_LED;
l->proc.ptr = l;
}
}
- gpio_outen(mask, mask);
+ gpio_outen(mask, oe_mask);
gpio_control(mask, 0);
gpio_out(mask, val);
}
len = 0;
}
+ kfree(page);
return len;
}
memcpy(&platform, detected, sizeof(struct platform_t));
printk(MODULE_NAME ": Detected '%s'\n", platform.name);
+ if (platform.platform_init != NULL) {
+ platform.platform_init();
+ }
if (!(diag = proc_mkdir("diag", NULL))) {
printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
static void __exit diag_exit(void)
{
-
del_timer(&led_timer);
if (platform.buttons)
projects / openwrt.git / blobdiff