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-rw-r--r--package/kernel/broadcom-diag/src/diag.h135
1 files changed, 135 insertions, 0 deletions
diff --git a/package/kernel/broadcom-diag/src/diag.h b/package/kernel/broadcom-diag/src/diag.h
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+++ b/package/kernel/broadcom-diag/src/diag.h
@@ -0,0 +1,135 @@
+/*
+ * 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.
+ *
+ */
+
+#include <linux/irq.h>
+#define MODULE_NAME "diag"
+
+#define MAX_GPIO 16
+#define FLASH_TIME HZ/6
+
+enum polarity_t {
+ REVERSE = 0,
+ NORMAL = 1,
+ INPUT = 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;
+ 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;
+ void (*platform_init)(void);
+
+ struct led_t leds[MAX_GPIO];
+};
+
+struct event_t {
+ struct work_struct wq;
+ unsigned long seen;
+ char *name, *action;
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,0)
+ struct sk_buff *skb;
+#else
+ char *scratch;
+ char *argv[4];
+ char *envp[7];
+ u8 enr, anr;
+#endif
+};
+
+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 work_struct *work);
+static irqreturn_t button_handler(int irq, void *dev_id);
+
+/* 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 set_led_shift(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 };
+