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-rw-r--r--package/broadcom-diag/src/diag.c544
-rw-r--r--package/broadcom-diag/src/diag.h125
-rw-r--r--package/broadcom-diag/src/gpio.h78
3 files changed, 417 insertions, 330 deletions
diff --git a/package/broadcom-diag/src/diag.c b/package/broadcom-diag/src/diag.c
index e0b08be3dd..7c6e303fcf 100644
--- a/package/broadcom-diag/src/diag.c
+++ b/package/broadcom-diag/src/diag.c
@@ -18,7 +18,7 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
- * $Id$
+ * $Id:$
*/
#include <linux/module.h>
#include <linux/pci.h>
@@ -37,79 +37,15 @@
#define INIT_WORK INIT_TQUEUE
#define schedule_work schedule_task
#define work_struct tq_struct
-#define sbh bcm947xx_sbh
-#define sbh_lock bcm947xx_sbh_lock
#endif
-#include <typedefs.h>
-#include <osl.h>
-#include <bcmdevs.h>
-#include <sbutils.h>
-#include <sbconfig.h>
-#include <sbchipc.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
-#include <sbmips.h>
-#else
-#include <hndcpu.h>
-#endif
-
-#define MODULE_NAME "diag"
-
-#define MAX_GPIO 8
-#define FLASH_TIME HZ/6
-
-#define EXTIF_ADDR 0x1f000000
-#define EXTIF_UART (EXTIF_ADDR + 0x00800000)
-
-/* For LEDs */
-#define GPIO_TYPE_NORMAL (0x0 << 24)
-#define GPIO_TYPE_EXTIF (0x1 << 24)
-#define GPIO_TYPE_MASK (0xf << 24)
+#include "gpio.h"
+#include "diag.h"
+#define getvar(str) (nvram_get(str)?:"")
static unsigned int gpiomask = 0;
module_param(gpiomask, int, 0644);
-enum polarity_t {
- REVERSE = 0,
- NORMAL = 1,
-};
-
-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;
- u32 gpio;
- u8 polarity;
- u8 flash;
- u8 state;
-};
-
-struct platform_t {
- char *name;
- struct button_t buttons[MAX_GPIO];
- struct led_t leds[MAX_GPIO];
-};
-
enum {
/* Linksys */
WAP54GV1,
@@ -149,13 +85,13 @@ enum {
/* Motorola */
WE800G,
WR850GV1,
- WR850GV2,
+ WR850GV2V3,
/* Belkin */
BELKIN_UNKNOWN,
};
-static struct platform_t platforms[] = {
+static struct platform_t __initdata platforms[] = {
/* Linksys */
[WAP54GV1] = {
.name = "Linksys WAP54G V1",
@@ -190,7 +126,7 @@ static struct platform_t platforms[] = {
},
},
[WRT54G] = {
- .name = "Linksys WRT54G*",
+ .name = "Linksys WRT54G/GS/GL",
.buttons = {
{ .name = "reset", .gpio = 1 << 6 },
{ .name = "ses", .gpio = 1 << 4 },
@@ -291,12 +227,14 @@ static struct platform_t platforms[] = {
.name = "Buffalo WHR-G54S",
.buttons = {
{ .name = "reset", .gpio = 1 << 4 },
+ { .name = "bridge", .gpio = 1 << 5 },
{ .name = "ses", .gpio = 1 << 0 },
},
.leds = {
- { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
+ { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
{ .name = "internal", .gpio = 1 << 3, .polarity = REVERSE },
{ .name = "ses", .gpio = 1 << 6, .polarity = REVERSE },
+ { .name = "bridge", .gpio = 1 << 1, .polarity = REVERSE },
},
},
[WBR2_G54] = {
@@ -422,21 +360,21 @@ static struct platform_t platforms[] = {
.leds = {
{ .name = "power", .gpio = 1 << 4, .polarity = NORMAL },
{ .name = "diag", .gpio = 1 << 3, .polarity = REVERSE },
- { .name = "modem", .gpio = 1 << 6, .polarity = NORMAL },
+ { .name = "dmz", .gpio = 1 << 6, .polarity = NORMAL },
{ .name = "wlan_red", .gpio = 1 << 5, .polarity = REVERSE },
{ .name = "wlan_green", .gpio = 1 << 7, .polarity = REVERSE },
},
},
- [WR850GV2] = {
- .name = "Motorola WR850G V2",
+ [WR850GV2V3] = {
+ .name = "Motorola WR850G V2/V3",
.buttons = {
{ .name = "reset", .gpio = 1 << 5 },
},
.leds = {
- { .name = "diag", .gpio = 1 << 1, .polarity = REVERSE },
- { .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
- { .name = "modem_green",.gpio = 1 << 6, .polarity = REVERSE },
- { .name = "modem_red", .gpio = 1 << 7, .polarity = REVERSE },
+ { .name = "power", .gpio = 1 << 1, .polarity = NORMAL },
+ { .name = "wlan", .gpio = 1 << 0, .polarity = REVERSE },
+ { .name = "dmz", .gpio = 1 << 6, .polarity = REVERSE },
+ { .name = "diag", .gpio = 1 << 7, .polarity = REVERSE },
},
},
/* Belkin */
@@ -454,25 +392,6 @@ static struct platform_t platforms[] = {
},
};
-extern void *sbh;
-extern spinlock_t sbh_lock;
-extern char *nvram_get(char *str);
-
-static struct proc_dir_entry *diag, *leds;
-static struct platform_t platform;
-static void led_flash(unsigned long dummy);
-
-#define getvar(str) (nvram_get(str)?:"")
-
-static void set_led_extif(struct led_t *led)
-{
- volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (led->gpio & ~GPIO_TYPE_MASK);
- if (led->state)
- *addr = 0xFF;
- else
- *addr;
-}
-
static struct platform_t __init *platform_detect(void)
{
char *boardnum, *boardtype, *buf;
@@ -505,7 +424,7 @@ static struct platform_t __init *platform_detect(void)
if (!strncmp(boardtype, "bcm94710dev", 11)) {
if (!strcmp(boardnum, "42"))
return &platforms[WRT54GV1];
- if (simple_strtoul(boardnum, NULL, 9) == 2)
+ if (simple_strtoul(boardnum, NULL, 0) == 2)
return &platforms[WAP54GV1];
}
if (!strncmp(getvar("hardware_version"), "WL500-", 6))
@@ -513,10 +432,10 @@ static struct platform_t __init *platform_detect(void)
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))
+ (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 1))
return &platforms[WLHDD];
if ((simple_strtoul(getvar("et0phyaddr"), NULL, 0) == 0) &&
- (simple_strtoul(getvar("et1phyaddr"), NULL, 9) == 10))
+ (simple_strtoul(getvar("et1phyaddr"), NULL, 0) == 10))
return &platforms[WL300G];
}
@@ -554,21 +473,173 @@ static struct platform_t __init *platform_detect(void)
return &platforms[BUFFALO_UNKNOWN];
}
- if (!strcmp(getvar("CFEver"), "MotoWRv203"))
- return &platforms[WR850GV2];
+
+ if (!strcmp(getvar("CFEver"), "MotoWRv203") ||
+ !strcmp(getvar("MOTO_BOARD_TYPE"), "WR_FEM1")) {
+
+ return &platforms[WR850GV2V3];
+ }
/* 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 void register_buttons(struct button_t *b)
+{
+ for (; b->name; b++)
+ platform.button_mask |= b->gpio;
+
+ platform.button_mask &= ~gpiomask;
+ gpio_outen(platform.button_mask, 0);
+ gpio_control(platform.button_mask, 0);
+ platform.button_polarity = gpio_in() & platform.button_mask;
+ gpio_intpolarity(platform.button_mask, platform.button_polarity);
+ gpio_intmask(platform.button_mask, platform.button_mask);
+ gpio_set_irqenable(1, button_handler);
+}
+
+static void unregister_buttons(struct button_t *b)
+{
+ gpio_intmask(platform.button_mask, 0);
+
+ gpio_set_irqenable(0, button_handler);
+}
+
+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
+ call_usermodehelper (event->argv[0], event->argv, event->envp);
+#endif
+ kfree(event);
+}
+
+static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
+{
+ struct button_t *b;
+ u32 in, changed;
+
+ in = gpio_in() & platform.button_mask;
+ gpio_intpolarity(platform.button_mask, in);
+ changed = platform.button_polarity ^ in;
+ platform.button_polarity = in;
+
+ for (b = platform.buttons; b->name; b++) {
+ struct event_t *event;
+
+ if (!(b->gpio & changed)) continue;
+
+ 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;
+
+ INIT_WORK(&event->wq, (void *)(void *)hotplug_button, (void *)event);
+ schedule_work(&event->wq);
+ }
+
+ b->seen = jiffies;
+ }
+ return IRQ_HANDLED;
+}
+
+static void register_leds(struct led_t *l)
+{
+ struct proc_dir_entry *p;
+ u32 mask = 0;
+ u32 val = 0;
+
+ leds = proc_mkdir("led", diag);
+ if (!leds)
+ return;
+
+ for(; l->name; l++) {
+ if (l->gpio & gpiomask)
+ continue;
+
+ if (l->gpio & GPIO_TYPE_EXTIF) {
+ l->state = 0;
+ set_led_extif(l);
+ } else {
+ mask |= l->gpio;
+ val |= (l->polarity == NORMAL)?0:l->gpio;
+ }
+
+ 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;
+ }
+ }
+
+ gpio_outen(mask, mask);
+ gpio_control(mask, 0);
+ gpio_out(mask, val);
+}
+
+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 set_led_extif(struct led_t *led)
+{
+ gpio_set_extif(led->gpio, led->state);
+}
+
+static void led_flash(unsigned long dummy) {
+ struct led_t *l;
+ u32 mask = 0;
+ u8 extif_blink = 0;
+
+ for (l = platform.leds; l->name; l++) {
+ if (l->flash) {
+ if (l->gpio & GPIO_TYPE_EXTIF) {
+ extif_blink = 1;
+ l->state = !l->state;
+ set_led_extif(l);
+ } else {
+ mask |= l->gpio;
+ }
+ }
+ }
+
+ mask &= ~gpiomask;
+ if (mask) {
+ u32 val = ~gpio_in();
+
+ gpio_outen(mask, mask);
+ gpio_control(mask, 0);
+ gpio_out(mask, val);
+ }
+ if (mask || extif_blink) {
+ mod_timer(&led_timer, jiffies + FLASH_TIME);
+ }
+}
static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t *ppos)
{
@@ -595,8 +666,8 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t
if (led->gpio & GPIO_TYPE_EXTIF) {
len = sprintf(page, "%d\n", led->state);
} else {
- int in = (sb_gpioin(sbh) & led->gpio ? 1 : 0);
- int p = (led->polarity == NORMAL ? 0 : 1);
+ u32 in = (gpio_in() & led->gpio ? 1 : 0);
+ u8 p = (led->polarity == NORMAL ? 0 : 1);
len = sprintf(page, "%d\n", ((in ^ p) ? 1 : 0));
}
}
@@ -606,7 +677,7 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t
len = sprintf(page, "%s\n", platform.name);
break;
case PROC_GPIOMASK:
- len = sprintf(page, "%d\n", gpiomask);
+ len = sprintf(page, "0x%04x\n", gpiomask);
break;
}
}
@@ -627,7 +698,7 @@ static ssize_t diag_proc_read(struct file *file, char *buf, size_t count, loff_t
}
-static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, void *data)
+static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count, loff_t *ppos)
{
#ifdef LINUX_2_4
struct inode *inode = file->f_dentry->d_inode;
@@ -654,9 +725,6 @@ static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count,
struct led_t *led = (struct led_t *) handler->ptr;
int p = (led->polarity == NORMAL ? 0 : 1);
- if (!(led->gpio & GPIO_TYPE_EXTIF) && (led->gpio & gpiomask))
- break;
-
if (page[0] == 'f') {
led->flash = 1;
led_flash(0);
@@ -666,15 +734,25 @@ static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count,
led->state = p ^ ((page[0] == '1') ? 1 : 0);
set_led_extif(led);
} else {
- sb_gpioouten(sbh, led->gpio, led->gpio, GPIO_DRV_PRIORITY);
- sb_gpiocontrol(sbh, led->gpio, 0, GPIO_DRV_PRIORITY);
- sb_gpioout(sbh, led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0), GPIO_DRV_PRIORITY);
+ gpio_outen(led->gpio, led->gpio);
+ gpio_control(led->gpio, 0);
+ gpio_out(led->gpio, ((p ^ (page[0] == '1')) ? led->gpio : 0));
}
}
break;
}
case PROC_GPIOMASK:
- gpiomask = simple_strtoul(page, NULL, 16);
+ gpiomask = simple_strtoul(page, NULL, 0);
+
+ if (platform.buttons) {
+ unregister_buttons(platform.buttons);
+ register_buttons(platform.buttons);
+ }
+
+ if (platform.leds) {
+ unregister_leds(platform.leds);
+ register_leds(platform.leds);
+ }
break;
}
ret = count;
@@ -684,216 +762,6 @@ static ssize_t diag_proc_write(struct file *file, const char *buf, size_t count,
return ret;
}
-struct event_t {
- struct work_struct tq;
- char buf[256];
- char *argv[3];
- char *envp[6];
-};
-
-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
- call_usermodehelper (event->argv[0], event->argv, event->envp);
-#endif
- kfree(event);
-}
-
-static void set_irqenable(int enabled)
-{
- unsigned int coreidx;
- unsigned long flags;
- chipcregs_t *cc;
-
- spin_lock_irqsave(sbh_lock, flags);
- coreidx = sb_coreidx(sbh);
- if ((cc = sb_setcore(sbh, SB_CC, 0))) {
- int intmask;
-
- intmask = readl(&cc->intmask);
- if (enabled)
- intmask |= CI_GPIO;
- else
- intmask &= ~CI_GPIO;
- writel(intmask, &cc->intmask);
- }
- sb_setcoreidx(sbh, coreidx);
- spin_unlock_irqrestore(sbh_lock, flags);
-}
-
-
-static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs)
-{
- struct button_t *b;
- int in = sb_gpioin(sbh);
- struct event_t *event;
-
- set_irqenable(0);
- for (b = platform.buttons; b->name; b++) {
- if (b->gpio & gpiomask)
- continue;
-
- if (b->polarity != (in & b->gpio)) {
- 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;
-
- INIT_WORK(&event->tq, (void *)(void *)hotplug_button, (void *)event);
- schedule_work(&event->tq);
- }
-
- b->seen = jiffies;
- b->polarity ^= b->gpio;
- sb_gpiointpolarity(sbh, b->gpio, b->polarity, GPIO_DRV_PRIORITY);
- }
- }
- set_irqenable(1);
- return IRQ_HANDLED;
-}
-
-static struct timer_list led_timer = {
- function: &led_flash
-};
-
-static void led_flash(unsigned long dummy) {
- struct led_t *l;
- unsigned mask = 0;
- unsigned extif_blink = 0;
-
- for (l = platform.leds; l->name; l++) {
- if (l->flash) {
- if (l->gpio & GPIO_TYPE_EXTIF) {
- extif_blink = 1;
- l->state = !l->state;
- set_led_extif(l);
- } else {
- mask |= l->gpio;
- }
- }
- }
-
- mask &= ~gpiomask;
- if (mask) {
- unsigned val;
-
- val = ~sb_gpioin(sbh);
- val &= mask;
-
- sb_gpioouten(sbh, mask, mask, GPIO_DRV_PRIORITY);
- sb_gpiocontrol(sbh, mask, 0, GPIO_DRV_PRIORITY);
- sb_gpioout(sbh, mask, val, GPIO_DRV_PRIORITY);
- }
- if (mask || extif_blink) {
- mod_timer(&led_timer, jiffies + FLASH_TIME);
- }
-}
-
-static void __init register_buttons(struct button_t *b)
-{
- int irq = sb_irq(sbh) + 2;
-
- 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, GPIO_DRV_PRIORITY);
- sb_gpiocontrol(sbh, b->gpio,0, GPIO_DRV_PRIORITY);
- b->polarity = sb_gpioin(sbh) & b->gpio;
- sb_gpiointpolarity(sbh, b->gpio, b->polarity, GPIO_DRV_PRIORITY);
- sb_gpiointmask(sbh, b->gpio, b->gpio, GPIO_DRV_PRIORITY);
- }
- set_irqenable(1);
-}
-
-static void __exit unregister_buttons(struct button_t *b)
-{
- int irq = sb_irq(sbh) + 2;
-
- for (; b->name; b++)
- sb_gpiointmask(sbh, b->gpio, 0, GPIO_DRV_PRIORITY);
-
- free_irq(irq, button_handler);
-}
-
-static void __init register_leds(struct led_t *l)
-{
- struct proc_dir_entry *p;
-
- leds = proc_mkdir("led", diag);
- if (!leds)
- return;
-
- for(; l->name; l++) {
- if (l->gpio & gpiomask)
- continue;
-
- if (l->gpio & GPIO_TYPE_EXTIF) {
- l->state = 0;
- set_led_extif(l);
- } else {
- sb_gpioouten(sbh, l->gpio, l->gpio, GPIO_DRV_PRIORITY);
- sb_gpiocontrol(sbh, l->gpio, 0, GPIO_DRV_PRIORITY);
- sb_gpioout(sbh, l->gpio, (l->polarity == NORMAL)?0:l->gpio, GPIO_DRV_PRIORITY);
- }
-
- 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 __exit 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)
-{
-
- del_timer(&led_timer);
-
- 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;
@@ -932,6 +800,22 @@ static int __init diag_init(void)
return 0;
}
+static void __exit diag_exit(void)
+{
+
+ del_timer(&led_timer);
+
+ 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);
+}
+
module_init(diag_init);
module_exit(diag_exit);
diff --git a/package/broadcom-diag/src/diag.h b/package/broadcom-diag/src/diag.h
new file mode 100644
index 0000000000..30791cffe3
--- /dev/null
+++ b/package/broadcom-diag/src/diag.h
@@ -0,0 +1,125 @@
+/*
+ * diag.h - 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.
+ *
+ * $Id:$
+ */
+
+#define MODULE_NAME "diag"
+
+#define MAX_GPIO 8
+#define FLASH_TIME HZ/6
+
+enum polarity_t {
+ REVERSE = 0,
+ NORMAL = 1,
+};
+
+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;
+ u32 gpio;
+ unsigned long seen;
+ u8 pressed;
+};
+
+struct led_t {
+ struct prochandler_t proc;
+ char *name;
+ u32 gpio;
+ u8 polarity;
+ u8 flash;
+ u8 state;
+};
+
+struct platform_t {
+ char *name;
+
+ struct button_t buttons[MAX_GPIO];
+ u32 button_mask;
+ u32 button_polarity;
+
+ struct led_t leds[MAX_GPIO];
+};
+
+struct event_t {
+ struct work_struct wq;
+ char buf[256];
+ char *argv[3];
+ char *envp[6];
+};
+
+extern char *nvram_get(char *str);
+
+static struct platform_t platform;
+
+/* buttons */
+
+static void register_buttons(struct button_t *b);
+static void unregister_buttons(struct button_t *b);
+
+static void hotplug_button(struct event_t *event);
+static irqreturn_t button_handler(int irq, void *dev_id, struct pt_regs *regs);
+
+/* leds */
+
+static void register_leds(struct led_t *l);
+static void unregister_leds(struct led_t *l);
+
+static void set_led_extif(struct led_t *led);
+static void led_flash(unsigned long dummy);
+
+/* 2.4 compatibility */
+#ifndef TIMER_INITIALIZER
+#define TIMER_INITIALIZER(_function, _expires, _data) \
+ { \
+ /* _expires and _data currently unused */ \
+ function: _function \
+ }
+#endif
+
+static struct timer_list led_timer = TIMER_INITIALIZER(&led_flash, 0, 0);
+
+/* proc */
+
+static struct proc_dir_entry *diag, *leds;
+
+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, loff_t *ppos);
+
+static struct file_operations diag_proc_fops = {
+ read: diag_proc_read,
+ write: diag_proc_write
+};
+
+static struct prochandler_t proc_model = { .type = PROC_MODEL };
+static struct prochandler_t proc_gpiomask = { .type = PROC_GPIOMASK };
+
diff --git a/package/broadcom-diag/src/gpio.h b/package/broadcom-diag/src/gpio.h
new file mode 100644
index 0000000000..c6f34bdea2
--- /dev/null
+++ b/package/broadcom-diag/src/gpio.h
@@ -0,0 +1,78 @@
+#ifndef __DIAG_GPIO_H
+#define __DIAG_GPIO_H
+
+#include <typedefs.h>
+#include <osl.h>
+#include <bcmdevs.h>
+#include <sbutils.h>
+#include <sbconfig.h>
+#include <sbchipc.h>
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
+#include <sbmips.h>
+#else
+#include <hndcpu.h>
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
+#define sbh bcm947xx_sbh
+#define sbh_lock bcm947xx_sbh_lock
+#endif
+
+#define EXTIF_ADDR 0x1f000000
+#define EXTIF_UART (EXTIF_ADDR + 0x00800000)
+
+#define GPIO_TYPE_NORMAL (0x0 << 24)
+#define GPIO_TYPE_EXTIF (0x1 << 24)
+#define GPIO_TYPE_MASK (0xf << 24)
+
+extern void *sbh;
+extern spinlock_t sbh_lock;
+
+#define gpio_in() sb_gpioin(sbh)
+#define gpio_out(mask, value) sb_gpioout(sbh, mask, ((value) & (mask)), GPIO_DRV_PRIORITY)
+#define gpio_outen(mask, value) sb_gpioouten(sbh, mask, value, GPIO_DRV_PRIORITY)
+#define gpio_control(mask, value) sb_gpiocontrol(sbh, mask, value, GPIO_DRV_PRIORITY)
+#define gpio_intmask(mask, value) sb_gpiointmask(sbh, mask, value, GPIO_DRV_PRIORITY)
+#define gpio_intpolarity(mask, value) sb_gpiointpolarity(sbh, mask, value, GPIO_DRV_PRIORITY)
+
+static void gpio_set_irqenable(int enabled, irqreturn_t (*handler)(int, void *, struct pt_regs *))
+{
+ unsigned int coreidx;
+ unsigned long flags;
+ chipcregs_t *cc;
+ int irq;
+
+ spin_lock_irqsave(sbh_lock, flags);
+ coreidx = sb_coreidx(sbh);
+
+ irq = sb_irq(sbh) + 2;
+ if (enabled)
+ request_irq(irq, handler, SA_SHIRQ | SA_SAMPLE_RANDOM, "gpio", handler);
+ else
+ free_irq(irq, handler);
+
+ if ((cc = sb_setcore(sbh, SB_CC, 0))) {
+ int intmask;
+
+ intmask = readl(&cc->intmask);
+ if (enabled)
+ intmask |= CI_GPIO;
+ else
+ intmask &= ~CI_GPIO;
+ writel(intmask, &cc->intmask);
+ }
+ sb_setcoreidx(sbh, coreidx);
+ spin_unlock_irqrestore(sbh_lock, flags);
+}
+
+static inline void gpio_set_extif(int gpio, int value)
+{
+ volatile u8 *addr = (volatile u8 *) KSEG1ADDR(EXTIF_UART) + (gpio & ~GPIO_TYPE_MASK);
+ if (value)
+ *addr = 0xFF;
+ else
+ *addr;
+}
+
+
+#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-02 03:39:45 +0000