--- /dev/null
+/*
+ * diag.c - GPIO interface driver for Broadcom boards
+ *
+ * Copyright (C) 2006 Mike Baker <mbm@openwrt.org>,
+ * 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
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Id$
+ */
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/kmod.h>
+#include <linux/proc_fs.h>
+#include <linux/moduleparam.h>
+#include <asm/uaccess.h>
+
+#include <osl.h>
+#include <bcmdevs.h>
+#include <sbutils.h>
+#include <sbconfig.h>
+#include <sbchipc.h>
+
+#define MODULE_NAME "diag"
+
+#undef AUTO
+#define MAX_GPIO 8
+
+//#define DEBUG
+//#define BUTTON_READ
+
+static unsigned int gpiomask = 0;
+module_param(gpiomask, int, 0644);
+
+enum polarity_t {
+ AUTO = 0,
+ NORMAL = 1,
+ REVERSE = 2,
+};
+
+enum {
+ PROC_BUTTON,
+ PROC_LED,
+ PROC_MODEL,
+ PROC_GPIOMASK
+};
+
+struct prochandler_t {
+ int type;
+ void *ptr;
+};
+
+
+struct button_t {
+ struct prochandler_t proc;
+ char *name;
+ u16 gpio;
+ u8 polarity;
+ u8 pressed;
+ unsigned long seen;
+};
+
+struct led_t {
+ struct prochandler_t proc;
+ char *name;
+ u16 gpio;
+ u8 polarity;
+};
+
+struct platform_t {
+ char *name;
+ struct button_t buttons[MAX_GPIO];
+ struct led_t leds[MAX_GPIO];
+};
+
+enum {
+ /* Linksys */
+ WAP54GV1,
+ WAP54GV3,
+ WRT54GV1,
+ WRT54G,
+ WRTSL54GS,
+ WRT54G3G,
+
+ /* ASUS */
+ WLHDD,
+ WL300G,
+ WL500G,
+ WL500GD,
+ WL500GP,
+ ASUS_4702,
+
+ /* Buffalo */
+ WBR2_G54,
+ WHR_G54S,
+ WHR_HP_G54,
+ WLA2_G54L,
+ BUFFALO_UNKNOWN,
+ BUFFALO_UNKNOWN_4710,
+
+ /* Siemens */
+ SE505V1,
+ SE505V2,
+
+ /* US Robotics */
+ USR5461,
+
+ /* Dell */
+ TM2300,
+
+ /* Motorola */
+ WR850GV1,
+ WR850GV2,
+};
+
+static struct platform_t platforms[] = {
+ /* Linksys */
+ [WAP54GV1] = {
+ .name = "Linksys WAP54G V1",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 0 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 3 },
+ { .name = "wlan", .gpio = 1 << 4 },
+ },
+ },
+ [WAP54GV3] = {
+ .name = "Linksys WAP54G V3",
+ .buttons = {
+ /* FIXME: verify this */
+ { .name = "reset", .gpio = 1 << 7 },
+ { .name = "ses", .gpio = 1 << 0 },
+ },
+ .leds = {
+ /* FIXME: diag? */
+ { .name = "ses", .gpio = 1 << 1 },
+ },
+ },
+ [WRT54GV1] = {
+ .name = "Linksys WRT54G V1.x",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ },
+ .leds = {
+ /* FIXME */
+ },
+ },
+ [WRT54G] = {
+ .name = "Linksys WRT54G(S)",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ { .name = "ses", .gpio = 1 << 4 }
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
+ { .name = "dmz", .gpio = 1 << 7 },
+ { .name = "ses_white", .gpio = 1 << 2 },
+ { .name = "ses_orange", .gpio = 1 << 3 },
+ },
+ },
+ [WRTSL54GS] = {
+ .name = "Linksys WRTSL54GS",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ { .name = "ses", .gpio = 1 << 4 }
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
+ { .name = "dmz", .gpio = 1 << 7 },
+ { .name = "ses_white", .gpio = 1 << 5 },
+ { .name = "ses_orange", .gpio = 1 << 7 },
+ },
+ },
+ [WRT54G3G] = {
+ .name = "Linksys WRT54G3G",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ { .name = "3g", .gpio = 1 << 4 }
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
+ { .name = "dmz", .gpio = 1 << 7 },
+ { .name = "3g_green", .gpio = 1 << 2, .polarity = NORMAL },
+ { .name = "3g_blue", .gpio = 1 << 3, .polarity = NORMAL },
+ { .name = "3g_blink", .gpio = 1 << 5, .polarity = NORMAL },
+ },
+ },
+ /* Asus */
+ [WLHDD] = {
+ .name = "ASUS WL-HDD",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 0 },
+ },
+ },
+ [WL300G] = {
+ .name = "ASUS WL-500g",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 0 },
+ },
+ },
+ [WL500G] = {
+ .name = "ASUS WL-500g",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 0 },
+ },
+ },
+ [WL500GD] = {
+ .name = "ASUS WL-500g Deluxe",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 0 },
+ },
+ },
+ [WL500GP] = {
+ .name = "ASUS WL-500g Premium",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 0 },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
+ { .name = "ses", .gpio = 1 << 4 },
+ },
+ },
+ [ASUS_4702] = {
+ .name = "ASUS (unknown, BCM4702)",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 6 },
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 0 },
+ },
+ },
+ /* Buffalo */
+ [WHR_G54S] = {
+ .name = "Buffalo WHR-G54S",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 4 },
+ { .name = "ses", .gpio = 1 << 0 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 1 },
+ { .name = "internal", .gpio = 1 << 3 },
+ { .name = "ses", .gpio = 1 << 6 },
+ },
+ },
+ [WBR2_G54] = {
+ .name = "Buffalo WBR2-G54",
+ /* FIXME: verify */
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 7 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 1 },
+ },
+ },
+ [WHR_HP_G54] = {
+ .name = "Buffalo WHR-HP-G54",
+ /* FIXME: verify */
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 4 },
+ { .name = "ses", .gpio = 1 << 0 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 1 },
+ { .name = "internal", .gpio = 1 << 3 },
+ { .name = "ses", .gpio = 1 << 6 },
+ },
+ },
+ [WLA2_G54L] = {
+ .name = "Buffalo WLA2-G54L",
+ /* FIXME: verify */
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 7 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 1 },
+ },
+ },
+ [BUFFALO_UNKNOWN] = {
+ .name = "Buffalo (unknown)",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 7 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 1 },
+ },
+ },
+ [BUFFALO_UNKNOWN_4710] = {
+ .name = "Buffalo (unknown, BCM4710)",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 4 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 1 },
+ },
+ },
+ /* Siemens */
+ [SE505V1] = {
+ .name = "Siemens SE505 V1",
+ .buttons = {
+ /* No usable buttons */
+ },
+ .leds = {
+ { .name = "dmz", .gpio = 1 << 4 },
+ { .name = "wlan", .gpio = 1 << 3 },
+ },
+ },
+ [SE505V2] = {
+ .name = "Siemens SE505 V2",
+ .buttons = {
+ /* No usable buttons */
+ },
+ .leds = {
+ { .name = "power", .gpio = 1 << 5 },
+ { .name = "dmz", .gpio = 1 << 0 },
+ { .name = "wlan", .gpio = 1 << 3 },
+ },
+ },
+ /* US Robotics */
+ [USR5461] = {
+ .name = "U.S. Robotics USR5461",
+ .buttons = {
+ /* No usable buttons */
+ },
+ .leds = {
+ { .name = "wlan", .gpio = 1 << 0 },
+ { .name = "printer", .gpio = 1 << 1 },
+ },
+ },
+ /* Dell */
+ [TM2300] = {
+ .name = "Dell TrueMobile 2300",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 0 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 7 },
+ },
+ },
+ /* Motorola */
+ [WR850GV1] = {
+ .name = "Motorola WR850G V1",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 0 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 3 },
+ { .name = "wlan_red", .gpio = 1 << 5, .polarity = NORMAL },
+ { .name = "wlan_green", .gpio = 1 << 7, .polarity = NORMAL },
+ },
+ },
+ [WR850GV2] = {
+ .name = "Motorola WR850G V2",
+ .buttons = {
+ { .name = "reset", .gpio = 1 << 5 },
+ },
+ .leds = {
+ { .name = "diag", .gpio = 1 << 1 },
+ { .name = "wlan", .gpio = 1 << 0 },
+ { .name = "modem", .gpio = 1 << 7, .polarity = NORMAL },
+ },
+ },
+};
+
+static struct proc_dir_entry *diag, *leds;
+
+extern void *bcm947xx_sbh;
+#define sbh bcm947xx_sbh
+
+static int sb_irq(void *sbh);
+static struct platform_t *platform;
+
+#include <linux/tqueue.h>
+static struct tq_struct tq;
+extern char *nvram_get(char *str);
+
+static inline char *getvar(char *str)
+{
+ return nvram_get(str)?:"";
+}
+
+static struct platform_t *platform_detect(void)
+{
+ char *boardnum, *boardtype, *buf;
+
+ 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, "0x0101"))
+ return &platforms[WRT54G3G];
+
+ if (!strcmp(getvar("et1phyaddr"),"5") && !strcmp(getvar("et1mdcport"), "1"))
+ return &platforms[WRTSL54GS];
+
+ /* default to WRT54G */
+ return &platforms[WRT54G];
+ }
+
+ if (!strcmp(boardnum, "45")) { /* ASUS */
+ if (!strcmp(boardtype,"0x042f"))
+ return &platforms[WL500GP];
+ else
+ return &platforms[WL500GD];
+ }
+
+ if (!strcmp(boardnum, "10496"))
+ return &platforms[USR5461];
+ } else { /* PMON based - old stuff */
+ if (!strncmp(boardtype, "bcm94710dev", 11)) {
+ if (!strcmp(boardtype, "42"))
+ return &platforms[WRT54GV1];
+ if (simple_strtoul(boardnum, NULL, 9) == 2)
+ return &platforms[WAP54GV1];
+ }
+ if (!strncmp(getvar("hardware_version"), "WL500-", 6))
+ return &platforms[WL500G];
+ if (!strncmp(getvar("hardware_version"), "WL300-", 6)) {
+ /* Either WL-300g or WL-HDD, do more extensive checks */
+ if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
+ (simple_strtoul(getvar("et1phyaddr"), NULL, 9) == 1))
+ return &platforms[WLHDD];
+ if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
+ (simple_strtoul(getvar("et1phyaddr"), NULL, 9) == 10))
+ return &platforms[WL300G];
+ }
+
+ /* unknown asus stuff, probably bcm4702 */
+ if (!strncmp(boardnum, "asusX", 5))
+ return &platforms[ASUS_4702];
+
+ if ((simple_strtoul(getvar("GemtekPmonVer"), NULL, 0) == 9) &&
+ (simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 30))
+ return &platforms[WR850GV1];
+ }
+
+ 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 (buf || !strcmp(boardnum, "00")) {/* probably buffalo */
+ if (!strncmp(boardtype, "bcm94710ap", 10))
+ return &platforms[BUFFALO_UNKNOWN_4710];
+ else
+ return &platforms[BUFFALO_UNKNOWN];
+ }
+
+ if (!strcmp(getvar("CFEver"), "MotoWRv203"))
+ return &platforms[WR850GV2];
+
+ /* not found */
+ return NULL;
+}
+
+static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos);
+static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, void *data);
+static struct file_operations diag_proc_fops = {
+ read: diag_proc_read,
+ write: diag_proc_write
+};
+
+
+
+static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
+{
+#ifdef LINUX_2_4
+ struct inode *inode = file->f_dentry->d_inode;
+ struct proc_dir_entry *dent = inode->u.generic_ip;
+#else
+ struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
+#endif
+ char *page;
+ int len = 0;
+
+ if ((page = kmalloc(1024, GFP_KERNEL)) == NULL)
+ return -ENOBUFS;
+
+ if (dent->data != NULL) {
+ struct prochandler_t *handler = (struct prochandler_t *) dent->data;
+ switch (handler->type) {
+#ifdef BUTTON_READ
+ case PROC_BUTTON: {
+ struct button_t * button = (struct button_t *) handler->ptr;
+ len = sprintf(page, "%d\n", button->pressed);
+ }
+#endif
+ case PROC_LED: {
+ struct led_t * led = (struct led_t *) handler->ptr;
+ int in = (sb_gpioin(sbh) & led->gpio ? 1 : 0);
+ int p = (led->polarity == NORMAL ? 0 : 1);
+ len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
+ break;
+ }
+ case PROC_MODEL:
+ len = sprintf(page, "%s\n", platform->name);
+ break;
+ case PROC_GPIOMASK:
+ len = sprintf(page, "%d\n", gpiomask);
+ break;
+ }
+ }
+ len += 1;
+
+ if (*ppos < len) {
+ len = min_t(int, len - *ppos, count);
+ if (copy_to_user(buf, (page + *ppos), len)) {
+ kfree(page);
+ return -EFAULT;
+ }
+ *ppos += len;
+ } else {
+ len = 0;
+ }
+
+ return len;
+}
+
+
+static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, void *data)
+{
+#ifdef LINUX_2_4
+ struct inode *inode = file->f_dentry->d_inode;
+ struct proc_dir_entry *dent = inode->u.generic_ip;
+#else
+ struct proc_dir_entry *dent = PDE(file->f_dentry->d_inode);
+#endif
+ char *page;
+ int ret = -EINVAL;
+
+ if ((page = kmalloc(count + 1, GFP_KERNEL)) == NULL)
+ return -ENOBUFS;
+
+ if (copy_from_user(page, buf, count)) {
+ kfree(page);
+ return -EINVAL;
+ }
+ page[count] = 0;
+
+ if (dent->data != NULL) {
+ struct prochandler_t *handler = (struct prochandler_t *) dent->data;
+ switch (handler->type) {
+ case PROC_LED: {
+ struct led_t *led = (struct led_t *) handler->ptr;
+ int p = (led->polarity == NORMAL ? 0 : 1);
+
+ if (led->gpio & gpiomask)
+ break;
+ sb_gpiocontrol(sbh, led->gpio, 0);
+ sb_gpioouten(sbh, led->gpio, led->gpio);
+ sb_gpioout(sbh, led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
+ break;
+ }
+ case PROC_GPIOMASK:
+ gpiomask = simple_strtoul(page, NULL, 16);
+ break;
+ }
+ ret = count;
+ }
+
+ kfree(page);
+ return ret;
+}
+
+static void hotplug_button(struct button_t *b)
+{
+ char *argv [3], *envp[6], *buf, *scratch;
+ int i;
+
+ if (!hotplug_path[0])
+ return;
+
+ if (in_interrupt()) {
+ printk(MODULE_NAME ": HOTPLUG WHILE IN IRQ!\n");
+ return;
+ }
+
+ if (!(buf = kmalloc (256, GFP_KERNEL)))
+ return;
+
+ scratch = buf;
+
+ i = 0;
+ argv[i++] = hotplug_path;
+ argv[i++] = "button";
+ argv[i] = 0;
+
+ i = 0;
+ envp[i++] = "HOME=/";
+ envp[i++] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
+ envp[i++] = scratch;
+ scratch += sprintf (scratch, "ACTION=%s", b->pressed?"pressed":"released") + 1;
+ envp[i++] = scratch;
+ scratch += sprintf (scratch, "BUTTON=%s", b->name) + 1;
+ envp[i++] = scratch;
+ scratch += sprintf (scratch, "SEEN=%ld", (jiffies - b->seen)/HZ) + 1;
+ envp[i] = 0;
+
+ call_usermodehelper (argv [0], argv, envp);
+ kfree (buf);
+}
+
+static void button_handler(int irq, void *dev_id, struct pt_regs *regs)
+{
+
+ struct button_t *b;
+ int in = sb_gpioin(sbh);
+
+ for (b = platform->buttons; b->name; b++) {
+ if (b->gpio & gpiomask)
+ continue;
+ if (b->polarity != (in & b->gpio)) {
+ /* ASAP */
+ b->polarity ^= b->gpio;
+ sb_gpiointpolarity(sbh, b->gpio, b->polarity);
+
+ b->pressed ^= 1;
+#ifdef DEBUG
+ printk(MODULE_NAME ": button: %s pressed: %d seen: %ld\n",b->name, b->pressed, (jiffies - b->seen)/HZ);
+#endif
+ INIT_TQUEUE(&tq, (void *)(void *)hotplug_button, (void *)b);
+ schedule_task(&tq);
+
+ b->seen = jiffies;
+ }
+ }
+}
+
+static void register_buttons(struct button_t *b)
+{
+ int irq = sb_irq(sbh) + 2;
+ chipcregs_t *cc;
+
+#ifdef BUTTON_READ
+ struct proc_dir_entry *p;
+
+ buttons = proc_mkdir("button", diag);
+ if (!buttons)
+ return;
+#endif
+
+ request_irq(irq, button_handler, SA_SHIRQ | SA_SAMPLE_RANDOM, "gpio", button_handler);
+
+ for (; b->name; b++) {
+ if (b->gpio & gpiomask)
+ continue;
+ sb_gpioouten(sbh,b->gpio,0);
+ sb_gpiocontrol(sbh,b->gpio,0);
+ b->polarity = sb_gpioin(sbh) & b->gpio;
+ sb_gpiointpolarity(sbh, b->gpio, b->polarity);
+ sb_gpiointmask(sbh, b->gpio,b->gpio);
+#ifdef BUTTON_READ
+ if ((p = create_proc_entry(b->name, S_IRUSR, buttons))) {
+ b->proc.type = PROC_BUTTON;
+ b->proc.ptr = (void *) b;
+ p->data = (void *) &b->proc;
+ p->proc_fops = &diag_proc_fops;
+ }
+#endif
+ }
+
+ if ((cc = sb_setcore(sbh, SB_CC, 0))) {
+ int intmask;
+
+ intmask = readl(&cc->intmask);
+ intmask |= CI_GPIO;
+ writel(intmask, &cc->intmask);
+ }
+}
+
+static void unregister_buttons(struct button_t *b)
+{
+ int irq = sb_irq(sbh) + 2;
+
+ for (; b->name; b++) {
+ sb_gpiointmask(sbh, b->gpio, 0);
+#ifdef BUTTON_READ
+ remove_proc_entry(b->name, buttons);
+#endif
+ }
+#ifdef BUTTON_READ
+ remove_proc_entry("buttons", diag);
+#endif
+
+ free_irq(irq, button_handler);
+}
+
+static void register_leds(struct led_t *l)
+{
+ struct proc_dir_entry *p;
+
+ leds = proc_mkdir("led", diag);
+ if (!leds)
+ return;
+
+ for(; l->name; l++) {
+ sb_gpiointmask(sbh, l->gpio, 0);
+ if ((p = create_proc_entry(l->name, S_IRUSR, leds))) {
+ l->proc.type = PROC_LED;
+ l->proc.ptr = l;
+ p->data = (void *) &l->proc;
+ p->proc_fops = &diag_proc_fops;
+ }
+ }
+}
+
+static void unregister_leds(struct led_t *l)
+{
+ for(; l->name; l++) {
+ remove_proc_entry(l->name, leds);
+ }
+ remove_proc_entry("led", diag);
+}
+
+static void __exit diag_exit(void)
+{
+ if (platform->buttons)
+ unregister_buttons(platform->buttons);
+ if (platform->leds)
+ unregister_leds(platform->leds);
+ remove_proc_entry("model", diag);
+ remove_proc_entry("gpiomask", diag);
+ remove_proc_entry("diag", NULL);
+}
+
+static struct prochandler_t proc_model = { .type = PROC_MODEL };
+static struct prochandler_t proc_gpiomask = { .type = PROC_GPIOMASK };
+
+static int __init diag_init(void)
+{
+ static struct proc_dir_entry *p;
+
+ platform = platform_detect();
+ if (!platform) {
+ printk(MODULE_NAME ": Router model not detected.\n");
+ return -ENODEV;
+ }
+ printk(MODULE_NAME ": Detected '%s'\n", platform->name);
+
+ if (!(diag = proc_mkdir("diag", NULL))) {
+ printk(MODULE_NAME ": proc_mkdir on /proc/diag failed\n");
+ return -EINVAL;
+ }
+ if ((p = create_proc_entry("model", S_IRUSR, diag))) {
+ p->data = (void *) &proc_model;
+ p->proc_fops = &diag_proc_fops;
+ }
+ if ((p = create_proc_entry("gpiomask", S_IRUSR | S_IWUSR, diag))) {
+ p->data = (void *) &proc_gpiomask;
+ p->proc_fops = &diag_proc_fops;
+ }
+
+ if (platform->buttons)
+ register_buttons(platform->buttons);
+
+ if (platform->leds)
+ register_leds(platform->leds);
+
+ return 0;
+}
+
+EXPORT_NO_SYMBOLS;
+
+module_init(diag_init);
+module_exit(diag_exit);
+
+MODULE_AUTHOR("Mike Baker, Felix Fietkau / OpenWrt.org");
+MODULE_LICENSE("GPL");
+
+
+/* TODO: export existing sb_irq instead */
+static int sb_irq(void *sbh)
+{
+ uint idx;
+ void *regs;
+ sbconfig_t *sb;
+ uint32 flag, sbipsflag;
+ uint irq = 0;
+
+ regs = sb_coreregs(sbh);
+ sb = (sbconfig_t *)((ulong) regs + SBCONFIGOFF);
+ flag = (R_REG(&sb->sbtpsflag) & SBTPS_NUM0_MASK);
+
+ idx = sb_coreidx(sbh);
+
+ if ((regs = sb_setcore(sbh, SB_MIPS, 0)) ||
+ (regs = sb_setcore(sbh, SB_MIPS33, 0))) {
+ sb = (sbconfig_t *)((ulong) regs + SBCONFIGOFF);
+
+ /* sbipsflag specifies which core is routed to interrupts 1 to 4 */
+ sbipsflag = R_REG(&sb->sbipsflag);
+ for (irq = 1; irq <= 4; irq++, sbipsflag >>= 8) {
+ if ((sbipsflag & 0x3f) == flag)
+ break;
+ }
+ if (irq == 5)
+ irq = 0;
+ }
+
+ sb_setcoreidx(sbh, idx);
+
+ return irq;
+}
+++ /dev/null
-/*
- * diag_led.c - replacement diag module
- *
- * Copyright (C) 2004-2006 Mike Baker,
- * Imre Kaloz <kaloz@openwrt.org>,
- * 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
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * $Id: 005-diag_led.patch 4594 2006-08-18 13:10:19Z florian $
- */
-
-/*
- * ChangeLog:
- * 2004/03/28 initial release
- * 2004/08/26 asus & buffalo support added
- * 2005/03/14 asus wl-500g deluxe and buffalo v2 support added
- * 2005/04/13 added licensing informations
- * 2005/04/18 base reset polarity off initial readings
- * 2006/08/18 asus power led support added
- * 2006/10/16 asus wl-500g premium support added
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/sysctl.h>
-#include <asm/io.h>
-#include <typedefs.h>
-#include <bcmdevs.h>
-#include <sbutils.h>
-
-extern char * nvram_get(const char *name);
-static void *sbh;
-
-// v2.x - - - - -
-#define BITS(n) ((1 << n) - 1)
-#define ISSET(n,b) ((n & (1 << b)) ? 1 : 0)
-#define DIAG_GPIO (1<<1)
-#define AOSS_GPIO (1<<6)
-#define DMZ_GPIO (1<<7)
-#define SES_GPIO ((1 << 2) | (1 << 3) | (1 << 5))
-
-static void set_gpio(uint32 mask, uint32 value) {
- sb_gpiocontrol(sbh,mask,0);
- sb_gpioouten(sbh,mask,mask);
- sb_gpioout(sbh,mask,value);
-}
-
-static void v2_set_diag(u8 state) {
- set_gpio(DIAG_GPIO,state);
-}
-static void v2_set_dmz(u8 state) {
- set_gpio(DMZ_GPIO,state);
-}
-static void v2_set_aoss(u8 state) {
- set_gpio(AOSS_GPIO,state);
-}
-static void v2_set_ses(u8 state) {
- set_gpio(SES_GPIO, (ISSET(state, 0) << 2) | (ISSET(state, 1) << 3) | (ISSET(state, 2) << 5));
-}
-// asus wl-500g (+deluxe)
-#define WL500G_PWR_GPIO (1<<0)
-// asus wl-500g premium
-#define WL500GP_PWR_GPIO (1<<1)
-
-static void wl500g_set_pwr(u8 state) {
- set_gpio(WL500G_PWR_GPIO,state);
-}
-
-static void wl500gp_set_pwr(u8 state) {
- set_gpio(WL500GP_PWR_GPIO,state);
-}
-
-// v1.x - - - - -
-#define LED_DIAG 0x13
-#define LED_DMZ 0x12
-
-static void v1_set_diag(u8 state) {
- if (!state) {
- *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG)=0xFF;
- } else {
- *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DIAG);
- }
-}
-static void v1_set_dmz(u8 state) {
- if (!state) {
- *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ)=0xFF;
- } else {
- *(volatile u8*)(KSEG1ADDR(BCM4710_EUART)+LED_DMZ);
- }
-}
-
-// - - - - -
-static void ignore(u8 ignored) {};
-
-// - - - - -
-#define BIT_DMZ (1 << 0)
-#define BIT_DIAG (1 << 2)
-#define BIT_SES (BITS(3) << 3)
-#define BIT_PWR (1 << 1)
-
-void (*set_diag)(u8 state);
-void (*set_dmz)(u8 state);
-void (*set_ses)(u8 state);
-void (*set_pwr)(u8 state);
-
-static unsigned int diag_reverse = 1;
-static unsigned int ses_reverse = 1;
-static unsigned int pwr_reverse = 1;
-static unsigned int diag = BIT_PWR; // default: diag off, pwr on, dmz off
-
-static void diag_change()
-{
- set_diag(diag_reverse ? 0xFF : 0x00); // off
- set_dmz(diag_reverse ? 0xFF : 0x00); // off
- set_ses(ses_reverse ? 0xFF : 0x00); // off
- set_pwr(pwr_reverse ? 0xFF : 0x00); //off
-
- if(diag & BIT_DIAG)
- set_diag(diag_reverse ? 0x00 : 0xFF); // on
- if(diag & BIT_DMZ)
- set_dmz(diag_reverse ? 0x00 : 0xFF); // on
- if(diag & BIT_SES)
- set_ses(((ses_reverse ? ~diag : diag) >> 3) & BITS(3));
- if (diag & BIT_PWR)
- set_pwr(pwr_reverse ? 0x00 : 0xFF); // on
-}
-
-static int proc_diag(ctl_table *table, int write, struct file *filp,
- void *buffer, size_t *lenp)
-{
- int r;
- r = proc_dointvec(table, write, filp, buffer, lenp);
- if (write && !r) {
- diag_change();
- }
- return r;
-}
-
-// - - - - -
-static unsigned char reset_gpio = 0;
-static unsigned char reset_polarity = 0;
-static unsigned int reset = 0;
-static unsigned char button_gpio = 0;
-static unsigned char button_polarity = 0;
-static unsigned int button = 0;
-
-
-static int read_gpio(int gpio, int polarity)
-{
- int res;
-
- if (gpio) {
- sb_gpiocontrol(sbh,gpio,gpio);
- sb_gpioouten(sbh,gpio,0);
- res=!(sb_gpioin(sbh)&gpio);
-
- return (polarity ? !res : res);
- }
-
- return 0;
-}
-
-static int proc_reset(ctl_table *table, int write, struct file *filp,
- void *buffer, size_t *lenp)
-{
- reset = read_gpio(reset_gpio, reset_polarity);
-
- return proc_dointvec(table, write, filp, buffer, lenp);
-}
-
-static int proc_button(ctl_table *table, int write, struct file *filp,
- void *buffer, size_t *lenp)
-{
- button = read_gpio(button_gpio, button_polarity);
-
- return proc_dointvec(table, write, filp, buffer, lenp);
-}
-
-// - - - - -
-static struct ctl_table_header *diag_sysctl_header;
-
-static ctl_table sys_diag[] = {
- {
- ctl_name: 2000,
- procname: "diag",
- data: &diag,
- maxlen: sizeof(diag),
- mode: 0644,
- proc_handler: proc_diag
- },
- {
- ctl_name: 2001,
- procname: "reset",
- data: &reset,
- maxlen: sizeof(reset),
- mode: 0444,
- proc_handler: proc_reset
- },
- {
- ctl_name: 2002,
- procname: "button",
- data: &button,
- maxlen: sizeof(button),
- mode: 0444,
- proc_handler: proc_button
- },
- { 0 }
-};
-
-static int __init diag_init()
-{
- char *buf;
- u32 board_type;
- sbh = sb_kattach();
- sb_gpiosetcore(sbh);
-
- board_type = sb_boardtype(sbh);
- printk(KERN_INFO "diag boardtype: %08x\n",board_type);
-
- set_diag=ignore;
- set_dmz=ignore;
- set_ses=ignore;
- set_pwr=ignore;
-
- buf=nvram_get("pmon_ver") ?: "";
- if (((board_type & 0xf00) == 0x400) && (strncmp(buf, "CFE", 3) != 0)) {
- buf=nvram_get("boardtype")?:"";
- if (!strcmp(buf,"bcm94710dev")) {
- buf=nvram_get("boardnum")?:"";
- if (!strcmp(buf,"42")) {
- // wrt54g v1.x
- set_diag=v1_set_diag;
- set_dmz=v1_set_dmz;
- reset_gpio=(1<<6);
- }
- if (!strcmp(buf,"asusX")) {
- //asus wl-500g
- set_pwr=wl500g_set_pwr;
- reset_gpio=(1<<6);
- }
- }
- if (!strcmp(buf,"bcm94710ap")) {
- buf=nvram_get("boardnum")?:"";
- if (!strcmp(buf,"42")) {
- // buffalo
- set_dmz=v2_set_dmz;
- reset_gpio=(1<<4);
- }
- if (!strcmp(buf,"44")) {
- //dell truemobile
- set_dmz=v2_set_dmz;
- reset_gpio=(1<<0);
- }
- }
- } else {
- buf=nvram_get("boardnum")?:"";
- if (!strcmp(buf,"42")) {
- //linksys
- set_diag=v2_set_diag;
- set_dmz=v2_set_dmz;
- set_ses=v2_set_ses;
-
- reset_gpio=(1<<6);
- button_gpio=(1<<4);
-
- if (!strcmp((nvram_get("boardtype")?:""), "0x0101")) // WRT54G3G
- ses_reverse = 0;
- else
- ses_reverse = 1;
- }
- if (!strcmp(buf,"44")) {
- //motorola
- reset_gpio=(1<<5);
- }
- if (!strcmp(buf,"00")) {
- //buffalo
- diag_reverse = 0;
- set_dmz=v2_set_diag;
- set_diag=v2_set_aoss;
- reset_gpio=(1<<7);
- }
- if (!strcmp(buf,"45")) { /* ASUS */
- buf=nvram_get("boardtype")?:"";
- if (!strcmp(buf,"0x042f")) {
- //wl-500g premium
- button_gpio=(1<<4);
- reset_gpio=(1<<0);
- set_pwr=wl500gp_set_pwr;
- } else {
- //wl-500g deluxe
- set_pwr=wl500g_set_pwr;
- reset_gpio=(1<<6);
- }
- }
- }
-
- sb_gpiocontrol(sbh,reset_gpio,reset_gpio);
- sb_gpioouten(sbh,reset_gpio,0);
- reset_polarity=!(sb_gpioin(sbh)&reset_gpio);
-
- if (button_gpio) {
- sb_gpiocontrol(sbh,button_gpio,button_gpio);
- sb_gpioouten(sbh,button_gpio,0);
- button_polarity=!(sb_gpioin(sbh)&button_gpio);
- } else {
- // don't create /proc/button
- sys_diag[2].ctl_name = 0;
- }
-
- diag_sysctl_header = register_sysctl_table(sys_diag, 0);
- diag_change();
-
- return 0;
-}
-
-static void __exit diag_exit()
-{
- unregister_sysctl_table(diag_sysctl_header);
-}
-
-EXPORT_NO_SYMBOLS;
-MODULE_AUTHOR("openwrt.org");
-MODULE_LICENSE("GPL");
-
-module_init(diag_init);
-module_exit(diag_exit);
projects / openwrt / svn-archive / openwrt.git / commitdiff