diff options
Diffstat (limited to 'package/kernel/broadcom-diag/src/diag.h')
| -rw-r--r-- | package/kernel/broadcom-diag/src/diag.h | 135 |
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 new file mode 100644 index 0000000..d9b5b00 --- /dev/null +++ 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 }; + |