qi-hardware/openwrt-xburst
1
0
Fork 0
mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-11-10 13:07:10 +02:00
Code
c132dc8706
openwrt-xburst/target/linux/linux-2.4/patches/ar7/002-led_driver.patch

2141 lines
68 KiB
Diff
Raw Normal View History

clean up patches, add atm driver proc support, add real led driver git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@1388 3c298f89-4303-0410-b956-a3cf2f4a3e73
2005-07-10 12:44:28 +03:00
diff -urN kernel-old/drivers/char/avalanche_led/led_drv.c kernel-current/drivers/char/avalanche_led/led_drv.c
--- kernel-old/drivers/char/avalanche_led/led_drv.c 1970-01-01 01:00:00.000000000 +0100
+++ kernel-current/drivers/char/avalanche_led/led_drv.c 2005-07-10 18:40:23.008730752 +0200
@@ -0,0 +1,375 @@
+/******************************************************************************
+ * FILE PURPOSE: - LED driver module Source
+ ******************************************************************************
+ * FILE NAME: led_drv.c
+ *
+ * DESCRIPTION: Linux LED character driver implementation
+ *
+ * REVISION HISTORY:
+ * 27 Aug 2003 Initial Creation Sharath Kumar<krs@ti.com>
+ *
+ * 16 Dec 2003 Updates for 5.7 Sharath Kumar<krs@ti.com>
+ *
+ * 07 Jan 2004 Wrapper for DSL Sharath Kumar<krs@ti.com>
+ *
+ * (C) Copyright 2002, Texas Instruments, Inc
+ *******************************************************************************/
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+#include <linux/fcntl.h>
+#include <linux/interrupt.h>
+#include <linux/sched.h>
+#include <linux/mm.h>
+#include <asm/io.h>
+#include <asm/uaccess.h>
+#include <asm/system.h>
+#include <linux/delay.h>
+#include <linux/devfs_fs_kernel.h>
+#include <linux/wait.h>
+#include <linux/proc_fs.h>
+#include <linux/timer.h>
+#include <asm/ar7/sangam.h>
+#include <asm/ar7/avalanche_misc.h>
+
+#include "led_config.h"
+#include "led_hal.h"
+#include "led_ioctl.h"
+#include "led_platform.h"
+
+//#define tnetd73xx_gpio_ctrl(gpio_pin, pin_mode, pin_direction) avalanche_gpio_ctrl(gpio_pin, pin_mode, pin_direction)
+#define tnetd73xx_gpio_out(gpio_pin, value) avalanche_gpio_out_bit(gpio_pin, value)
+//#define avalanche_gpio_in_bit(gpio_pin) tnetd73xx_gpio_in(gpio_pin)
+
+#define TI_LED_VERSION "0.1"
+#define GPIO_MAP_LEN ((MAX_GPIO_PIN_NUM/32) + 1)
+
+static int gpio_off_state[GPIO_MAP_LEN] = AVALANCHE_GPIO_OFF_MAP;
+
+#define TRUE 1
+#define FALSE 0
+#define FLICK_TIME (HZ*100/1000)
+static unsigned int wan_txrx_state = 0;
+static unsigned int wlan_txrx_state = 0;
+struct timer_list *pWanTimer = NULL;
+
+static void wan_led_func(unsigned long data)
+{
+ avalanche_gpio_ctrl(2, GPIO_PIN, GPIO_OUTPUT_PIN);
+ avalanche_gpio_ctrl(3, GPIO_PIN, GPIO_OUTPUT_PIN);
+
+ if (wan_txrx_state == 0)
+ {
+ tnetd73xx_gpio_out(2, TRUE);
+ tnetd73xx_gpio_out(3, FALSE);
+ wan_txrx_state = 1;
+ }
+ else
+ {
+ tnetd73xx_gpio_out(2, FALSE);
+ tnetd73xx_gpio_out(3, FALSE);
+ wan_txrx_state = 0;
+ }
+ pWanTimer->expires = jiffies + FLICK_TIME;
+ add_timer(pWanTimer);
+
+}
+
+static int led_ioctl( struct inode * inode, struct file * file,
+ unsigned int cmd, unsigned long arg )
+{
+
+ int ret = 0;
+// char name[80];
+
+ switch ( cmd )
+ {
+ case LED_CONFIG:
+ {
+ LED_CONFIG_T led_cfg;
+ if (copy_from_user((char *)&led_cfg, (char *)arg, sizeof(led_cfg)))
+ {
+ printk("in led config error\n");
+ ret = -EFAULT;
+ break;
+ }
+ printk("in led config\n");
+ ret = avalanche_led_config_set(&led_cfg);
+ }
+ break;
+
+ case LED_GET_HANDLE:
+ {
+ LED_MODULE_T led_mod;
+ int handle;
+
+ if (copy_from_user((char *)&led_mod, (char *)arg, sizeof(led_mod)))
+ {
+ ret = -EFAULT;
+ break;
+ }
+
+ handle = (int)avalanche_led_register(led_mod.name,led_mod.instance);
+
+ if (copy_to_user((char *)(&(((LED_MODULE_T *)arg)->handle)), (char *)(&handle), sizeof(int)))
+ {
+ ret = -EFAULT;
+ break;
+ }
+
+ if(handle)
+ ret = 0;
+ else
+ ret = -1;
+ }
+ break;
+
+ case LED_ACTION:
+ {
+ LED_STATE_T led_state;
+ if (copy_from_user((char *)&led_state, (char *)arg, sizeof(led_state)))
+ {
+ ret = -EFAULT;
+ break;
+ }
+ else {
+ printk("led action : handle = %d, id = %d\n", led_state.handle, led_state.state_id);
+ //add by leijun
+ if (led_state.handle == 2) //system led
+ {
+ switch (led_state.state_id)
+ {
+ case 1:
+ break;
+ case 2: /*sys led flashing green */
+ tnetd73xx_gpio_out(4, FALSE);
+ tnetd73xx_gpio_out(5, TRUE);
+ tnetd73xx_gpio_out(8, TRUE);
+ break;
+ case 3: /*sys led solid green */
+ tnetd73xx_gpio_out(4, TRUE);
+ tnetd73xx_gpio_out(5, TRUE);
+ tnetd73xx_gpio_out(8, TRUE);
+
+ break;
+ case 4: /*sys fail red */
+ tnetd73xx_gpio_out(4, TRUE);
+ tnetd73xx_gpio_out(5, FALSE);
+ tnetd73xx_gpio_out(8, FALSE);
+ break;
+ default:
+ break;
+
+ }
+ }else if (led_state.handle == 3)
+ {
+ printk("led action : handle = %d, id = %d\n", led_state.handle, led_state.state_id);
+ avalanche_gpio_ctrl(2, GPIO_PIN, GPIO_OUTPUT_PIN);
+ avalanche_gpio_ctrl(3, GPIO_PIN, GPIO_OUTPUT_PIN);
+
+ switch (led_state.state_id)
+ {
+ case 1: /*no wan interface*/
+ if (pWanTimer)
+ {
+ del_timer(pWanTimer);
+ kfree(pWanTimer);
+ pWanTimer = NULL;
+ }
+ tnetd73xx_gpio_out(2, FALSE);
+ tnetd73xx_gpio_out(3, FALSE);
+ break;
+ case 2: /*wan connected */
+ if (pWanTimer)
+ {
+ del_timer(pWanTimer);
+ kfree(pWanTimer);
+ pWanTimer = NULL;
+ }
+ tnetd73xx_gpio_out(2, TRUE);
+ tnetd73xx_gpio_out(3, FALSE);
+ break;
+ case 3: /*rx/tx activity */
+ if (pWanTimer != NULL)
+ break;
+
+ pWanTimer = kmalloc(sizeof(struct timer_list), GFP_KERNEL);
+ init_timer(pWanTimer);
+
+ pWanTimer->function = wan_led_func;
+ pWanTimer->data = 0;
+ pWanTimer->expires = jiffies + FLICK_TIME;
+ tnetd73xx_gpio_out(2, FALSE);
+ tnetd73xx_gpio_out(3, FALSE);
+ wan_txrx_state = 0;
+ add_timer(pWanTimer);
+
+ break;
+ case 4: /*no ipaddress */
+ if (pWanTimer)
+ {
+ del_timer(pWanTimer);
+ kfree(pWanTimer);
+ pWanTimer = NULL;
+ }
+ tnetd73xx_gpio_out(2, FALSE);
+ tnetd73xx_gpio_out(3, TRUE);
+ break;
+ default:
+ if (pWanTimer)
+ {
+ del_timer(pWanTimer);
+ kfree(pWanTimer);
+ pWanTimer = NULL;
+ }
+ break;
+ }
+ }else if (led_state.handle == 4) //test
+ {
+ int high, low;
+ high = (led_state.state_id & 0xf0) >> 4;
+ low = (led_state.state_id & 0x0f);
+ tnetd73xx_gpio_out(high, (low > 0)?1:0);
+ }else avalanche_led_action((void *)led_state.handle,led_state.state_id);
+ }
+
+ }
+ break;
+
+ case LED_RELEASE_HANDLE:
+ ret = avalanche_led_unregister((void *)arg);
+ break;
+
+ default:
+ ret = -EINVAL;
+ }
+ return ret;
+
+}
+
+static int led_open( struct inode * inode, struct file * file )
+{
+ return 0;
+}
+
+static int led_close( struct inode * inode, struct file * file )
+{
+ return 0;
+}
+
+struct file_operations led_fops = {
+ ioctl: led_ioctl,
+ open: led_open,
+ release: led_close
+};
+
+
+/* Proc function to display driver version */
+static int
+led_ver_info(char *buf, char **start, off_t offset, int count, int *eof, void *data)
+{
+// int instance;
+ int len=0;
+
+ len += sprintf(buf +len,"\nTI Linux LED Driver Version %s\n",TI_LED_VERSION);
+ return len;
+}
+
+
+/* proc interface /proc/avalanche/led */
+int led_cfg_info(char* buf, char **start, off_t offset, int count,
+ int *eof, void *data)
+{
+ int mod_count = 0;
+ int len=0;
+ int limit = count - 80;
+ char *msg[5]={"LED OFF", "LED_ON", "LED_ONESHOT_OFF", "LED_ONESHOT_ON","LED_FLASH"};
+
+ for(mod_count = 0;mod_count<MAX_MODULE_ENTRIES;mod_count++)
+ {
+ int instance;
+
+ for(instance = 0; instance < MAX_MODULE_INSTANCES; instance++)
+ {
+ int state_id;
+ int flag = 0;
+
+ for(state_id =0 ;state_id < MAX_STATE_ENTRIES; state_id++)
+ {
+ LED_CONFIG_T led_cfg;
+ if(avalanche_led_config_get(&led_cfg,mod_count,instance,state_id) == 0)
+ {
+ if(flag == 0)
+ {
+ flag = 1;
+ if(len <= limit)
+ len+= sprintf(buf+len, "\nModule:%s\n",led_cfg.name);
+
+ if(len <= limit)
+ len+= sprintf(buf+len, "\n Instance:%d\n",instance);
+
+ }
+
+ if(len <= limit)
+ len+= sprintf(buf+len, "\n State: %d\n",state_id);
+
+ if(len <= limit)
+ len+= sprintf(buf+len, "\n mode: %s\n",msg[led_cfg.mode[0]% 5 ]);
+
+ if(len <= limit)
+ len+= sprintf(buf+len, "\n gpio: %d\n",led_cfg.gpio[0]);
+
+ if(len <= limit)
+ len+= sprintf(buf+len, "\n param1: %d\n",led_cfg.param1);
+
+ if(len <= limit)
+ len+= sprintf(buf+len, "\n param2: %d\n",led_cfg.param2);
+ }
+ }
+ }
+ }
+
+
+
+ return len;
+}
+
+
+
+int __init led_init(void)
+{
+
+ /* register LED device */
+ devfs_register(NULL, "led", DEVFS_FL_AUTO_DEVNUM, 0, 0,
+ S_IFCHR | S_IRUGO | S_IWUGO, &led_fops,NULL);
+
+
+ avalanche_led_hal_init(gpio_off_state,AVALANCHE_GPIO_PIN_COUNT);
+
+ /* create proc entry */
+ create_proc_read_entry("avalanche/led_cfg", 0, NULL, led_cfg_info, NULL);
+ create_proc_read_entry("avalanche/led_ver", 0, NULL, led_ver_info, NULL);
+
+ return 0;
+}
+
+void led_exit(void)
+{
+ avalanche_led_hal_exit();
+ return;
+}
+
+module_init(led_init);
+module_exit(led_exit);
+
+
+EXPORT_SYMBOL_NOVERS(avalanche_led_register);
+EXPORT_SYMBOL_NOVERS(avalanche_led_action);
+EXPORT_SYMBOL_NOVERS(avalanche_led_unregister);
+EXPORT_SYMBOL_NOVERS(avalanche_led_config_set);
+EXPORT_SYMBOL_NOVERS(avalanche_led_config_get);
diff -urN kernel-old/drivers/char/avalanche_led/led_hal.c kernel-current/drivers/char/avalanche_led/led_hal.c
--- kernel-old/drivers/char/avalanche_led/led_hal.c 1970-01-01 01:00:00.000000000 +0100
+++ kernel-current/drivers/char/avalanche_led/led_hal.c 2005-07-10 18:24:22.242038232 +0200
@@ -0,0 +1,821 @@
+/******************************************************************************
+ * FILE PURPOSE: - LED HAL module source
+ ******************************************************************************
+ * FILE NAME: led_hal.c
+ *
+ * DESCRIPTION: LED HAL API's source.
+ *
+ * REVISION HISTORY:
+ * 27 Aug 2003 Initial Creation Sharath Kumar<krs@ti.com>
+ *
+ * 16 Dec 2003 Updates for 5.7 Sharath Kumar<krs@ti.com>
+ *
+ * 07 Jan 2004 Wrapper for DSL Sharath Kumar<krs@ti.com>
+ *
+ * (C) Copyright 2002, Texas Instruments, Inc
+ *******************************************************************************/
+
+#include "led_platform.h"
+#include "led_config.h"
+#include "led_hal.h"
+
+/* include for gpio APIs */
+#include <asm/ar7/avalanche_misc.h>
+
+
+#define REQUIRES_TIMER(x) ( (x == LED_ONESHOT_ON) || (x == LED_ONESHOT_OFF) || (x == LED_FLASH) )
+
+/*******************TYPEDEFs**************************************************/
+typedef struct
+{
+ unsigned int state;
+ unsigned int module_map;
+ unsigned int pos_map[2];
+}
+LED_OBJ_T;
+
+typedef struct state_entry STATE_ENTRY_T;
+
+struct state_entry
+{
+ void (*handler) (STATE_ENTRY_T * state);
+ unsigned int timer_running;
+ LED_OBJ_T *led;
+ unsigned int map1[2];
+ unsigned int map2[2];
+ void *os_timer;
+ unsigned int param1;
+ unsigned int param2;
+ unsigned int module_id;
+ unsigned int mode;
+};
+
+typedef struct module_instance
+{
+ int module_id;
+ int instance;
+ STATE_ENTRY_T *states[MAX_STATE_ENTRIES];
+}
+MODULE_INSTANCE_T;
+
+typedef struct module_entry
+{
+ unsigned char *name;
+ MODULE_INSTANCE_T *module_instance[MAX_MODULE_INSTANCES];
+}
+MODULE_ENTRY_T;
+
+
+
+/******************variable defn/declns***************************************/
+
+static LED_OBJ_T *leds[MAX_LED_ENTRIES];
+static MODULE_ENTRY_T *modules[MAX_MODULE_ENTRIES];
+
+/* Declare Mutex lock */
+MUTEX_DECLARE (led_lock);
+
+/* GPIO OFF STATE */
+static unsigned int gpio_offstate_map[2];
+
+/* Number of GPIO pins in the system */
+static unsigned int num_gpios;
+
+/* LED handlers */
+static void (*led_mode_handler[NUM_LED_MODES]) (STATE_ENTRY_T * state);
+
+
+
+/******************static functions*****************************************/
+
+static void *led_malloc (int n)
+{
+ void *p;
+ p = os_malloc (n);
+
+ if (p)
+ os_memset (p, 0, n);
+
+ return p;
+}
+
+static void avalanche_gpio_set(int * set_map,int *pos_map)
+{
+ int i;
+
+ for(i = 0;i <num_gpios ;i+=32)
+ {
+ int index = i/32;
+ avalanche_gpio_out_value(set_map[index],pos_map[index],index);
+
+ }
+
+}
+
+
+static MODULE_INSTANCE_T *get_module (char *name, int instance)
+{
+ int module_id;
+ MODULE_INSTANCE_T *mod_inst;
+
+
+ if (instance >= MAX_MODULE_INSTANCES)
+ return NULL;
+
+ for (module_id = 0; module_id < MAX_MODULE_ENTRIES; module_id++)
+ {
+ if (modules[module_id]
+ && !os_strcmp (name, modules[module_id]->name))
+ break;
+ }
+
+ if (module_id == MAX_MODULE_ENTRIES)
+ {
+ for (module_id = 0;
+ (module_id < MAX_MODULE_ENTRIES) && modules[module_id];
+ module_id++);
+
+ if (module_id < MAX_MODULE_ENTRIES)
+ {
+ modules[module_id] = led_malloc (sizeof (MODULE_ENTRY_T));
+
+ if (!modules[module_id])
+ return NULL;
+
+ modules[module_id]->name = led_malloc (os_strlen (name) + 1);
+
+ if (!modules[module_id]->name)
+ return NULL;
+
+ os_strcpy (modules[module_id]->name, name);
+ }
+ else
+ {
+ log_msg ("ERROR:Module Count exceeded\n");
+ return NULL;
+ }
+ }
+
+ if (!modules[module_id]->module_instance[instance])
+ modules[module_id]->module_instance[instance] =
+ led_malloc (sizeof (MODULE_INSTANCE_T));
+
+ if (!modules[module_id]->module_instance[instance])
+ return NULL;
+
+ mod_inst = modules[module_id]->module_instance[instance];
+ mod_inst->module_id = module_id;
+ mod_inst->instance = instance;
+
+ return mod_inst;
+}
+
+
+static void assign_map(int *to, int *from)
+{
+ int i;
+
+ for(i = 0;i <num_gpios ;i+=32)
+ {
+ int index = i/32;
+ to[index] = from[index];
+ }
+}
+
+
+
+
+static LED_OBJ_T *get_led (int * pos_map)
+{
+ int led_id;
+
+ for (led_id = 0; led_id < MAX_LED_ENTRIES; led_id++)
+ {
+ if (leds[led_id])
+ {
+ int i;
+ int flag=0;
+
+ for(i = 0;i <num_gpios ;i+=32)
+ {
+ int index = i/32;
+ if(leds[led_id]->pos_map[index] != pos_map[index])
+ flag =1;
+ }
+ if(flag == 0)
+ break;
+ }
+ }
+
+ if (led_id == MAX_LED_ENTRIES)
+ {
+ for (led_id = 0; (led_id < MAX_LED_ENTRIES) && leds[led_id];
+ led_id++);
+
+ if (led_id < MAX_LED_ENTRIES)
+ {
+ leds[led_id] = led_malloc (sizeof (LED_OBJ_T));
+
+ if (!leds[led_id])
+ return NULL;
+
+ assign_map(leds[led_id]->pos_map,pos_map);
+ }
+ else
+ {
+ log_msg ("ERROR:Module Count exceeded\n");
+ return NULL;
+ }
+ }
+
+ return leds[led_id];
+}
+
+static void led_oneshot_on_timer_func (int arg)
+{
+ STATE_ENTRY_T *state = (STATE_ENTRY_T *) arg;
+ LED_OBJ_T *led = state->led;
+
+ state->timer_running = 0;
+ MUTEX_GET (led_lock);
+ if (led->state == LED_ONESHOT_ON)
+ {
+ led->state = LED_OFF;
+ avalanche_gpio_set (state->map2,led->pos_map);
+ }
+ MUTEX_RELEASE (led_lock);
+
+}
+
+static void led_oneshot_off_timer_func (int arg)
+{
+ STATE_ENTRY_T *state = (STATE_ENTRY_T *) arg;
+ LED_OBJ_T *led = state->led;
+
+ state->timer_running = 0;
+
+ MUTEX_GET (led_lock);
+ if (led->state == LED_ONESHOT_OFF)
+ {
+ led->state = LED_ON;
+ avalanche_gpio_set(state->map2,led->pos_map);
+ }
+ MUTEX_RELEASE (led_lock);
+
+}
+
+static void led_flash_timer_func (int arg)
+{
+ STATE_ENTRY_T *state = (STATE_ENTRY_T *) arg;
+ LED_OBJ_T *led = state->led;
+
+
+ if (led->state != LED_FLASH)
+ return;
+
+ MUTEX_GET (led_lock);
+
+ if (state->timer_running == 1)
+ {
+ state->timer_running = 2;
+ avalanche_gpio_set(state->map2,led->pos_map);
+ os_timer_add (state->os_timer, state->param2, (int)state);
+ }
+ else
+ {
+ state->timer_running = 1;
+ avalanche_gpio_set(state->map1,led->pos_map);
+ os_timer_add (state->os_timer, state->param1, (int)state);
+ }
+
+ MUTEX_RELEASE (led_lock);
+}
+
+static void led_on(STATE_ENTRY_T * state)
+{
+ LED_OBJ_T *led = state->led;
+
+ led->state = LED_ON;
+ avalanche_gpio_set(state->map1,led->pos_map);
+ led->module_map |= (1 << (state->module_id));
+
+}
+
+static void led_off (STATE_ENTRY_T * state)
+{
+ LED_OBJ_T *led = state->led;
+
+ led->module_map &= ~(1 << (state->module_id));
+ if (!led->module_map)
+ {
+ led->state = LED_OFF;
+ avalanche_gpio_set(state->map1,led->pos_map);
+ }
+
+}
+
+static void led_oneshot_on (STATE_ENTRY_T * state)
+{
+ LED_OBJ_T *led = state->led;
+
+ if (state->timer_running)
+ return;
+
+ state->timer_running = 1;
+ led->state = LED_ONESHOT_ON;
+ avalanche_gpio_set(state->map1,led->pos_map);
+ os_timer_add (state->os_timer, state->param1,(int) state);
+}
+
+static void led_oneshot_off (STATE_ENTRY_T * state)
+{
+
+ LED_OBJ_T *led = state->led;
+
+ if (state->timer_running)
+ return;
+
+ state->timer_running = 1;
+ led->state = LED_ONESHOT_OFF;
+ avalanche_gpio_set(state->map1,led->pos_map);
+ os_timer_add (state->os_timer, state->param1,(int) state);
+}
+
+static void led_flash (STATE_ENTRY_T * state)
+{
+ LED_OBJ_T *led = state->led;
+
+ if (state->timer_running)
+ return;
+
+ state->timer_running = 1;
+ led->state = LED_FLASH;
+ avalanche_gpio_set(state->map1,led->pos_map);
+ os_timer_add (state->os_timer, state->param1,(int) state);
+}
+
+
+
+static int led_get_mode(LED_CONFIG_T *led_cfg)
+{
+ int num_gpio = led_cfg->gpio_num;
+ int i;
+ int *led_mode = led_cfg->mode;
+ int max = -1;
+
+ /* Return Max of available modes */
+ for(i = 0; i<num_gpio; i++)
+ {
+ max = (max > led_mode[i]) ? max : led_mode[i];
+ }
+
+ return max;
+}
+
+static void led_assign_timer(STATE_ENTRY_T *state_entry)
+{
+
+ if (state_entry->os_timer)
+ {
+ os_timer_delete(state_entry->os_timer);
+ }
+
+ switch(state_entry->mode)
+ {
+ case LED_ONESHOT_ON:
+ state_entry->os_timer = os_timer_init(led_oneshot_on_timer_func);
+ break;
+
+ case LED_ONESHOT_OFF:
+ state_entry->os_timer = os_timer_init(led_oneshot_off_timer_func);
+ break;
+
+ case LED_FLASH:
+ state_entry->os_timer = os_timer_init(led_flash_timer_func);
+ break;
+
+ default:
+ log_msg("invalid mode in function led_assign timer\n");
+ }
+
+}
+
+static int led_get_map(LED_CONFIG_T *led_cfg,int *p_pos_map,int *p_map1,int *p_map2)
+{
+ int i;
+ int map1[2] = {0,0};
+ int pos_map[2] = {0,0};
+ int map2[2] = {0,0};
+ int requires_timer = REQUIRES_TIMER(led_get_mode(led_cfg));
+
+ for (i = 0; i < led_cfg->gpio_num; i++)
+ {
+ int gpio_map;
+ int index = led_cfg->gpio[i]/32;
+ int pos = led_cfg->gpio[i] % 32;
+
+ if (led_cfg->gpio[i] >= num_gpios)
+ {
+ log_msg ("Error: gpio number out of range\n");
+ return -1;
+ }
+
+ gpio_map = 1 << pos;
+
+ pos_map[index] |= gpio_map;
+
+
+ switch (led_cfg->mode[i])
+ {
+ case LED_OFF:
+ if(gpio_offstate_map[index] & gpio_map)
+ map1[index] |= gpio_map;
+
+ if (requires_timer && (gpio_offstate_map[index] & gpio_map))
+ map2[index] |= gpio_map;
+ break;
+
+ case LED_ON:
+
+ if(!(gpio_offstate_map[index] & gpio_map))
+ map1[index] |= gpio_map;
+
+ if (requires_timer && !(gpio_offstate_map[index] & gpio_map))
+ map2[index] |= gpio_map;
+ break;
+
+ case LED_ONESHOT_OFF:
+
+ if ((gpio_offstate_map[index] & gpio_map))
+ map1[index] |= gpio_map;
+ else
+ map2[index] |= gpio_map;
+ break;
+
+ case LED_ONESHOT_ON:
+ case LED_FLASH:
+
+ if (!(gpio_offstate_map[index] & gpio_map))
+ map1[index] |= gpio_map;
+ else
+ map2[index] |= gpio_map;
+ break;
+
+ default:
+ log_msg ("Error: Invalid mode\n");
+ return -1;
+ }
+ }
+
+ assign_map(p_pos_map,pos_map);
+ assign_map(p_map1,map1);
+ assign_map(p_map2,map2);
+
+ return 0;
+}
+
+
+
+
+static int configure_state(STATE_ENTRY_T *state_entry,LED_CONFIG_T *led_cfg)
+{
+// int state = led_cfg->state;
+ int i;
+ int map1[2] ;
+ int pos_map[2];
+ int map2[2];
+
+ if((state_entry->mode = led_get_mode(led_cfg)) >= NUM_LED_MODES)
+ {
+ log_msg ("Error: Invalid mode in func configure_state\n");
+ return -1;
+ }
+
+ state_entry->handler = led_mode_handler[state_entry->mode];
+
+
+ if(led_get_map(led_cfg,pos_map,map1,map2))
+ {
+ log_msg ("Error: gpio number out of range\n");
+ return -1;
+ }
+
+ assign_map(state_entry->map1,map1);
+ assign_map(state_entry->map2,map2);
+ state_entry->led = get_led(pos_map);
+
+ /* Check if the state requires timer */
+ if(REQUIRES_TIMER(state_entry->mode))
+ {
+ state_entry->timer_running = 0;
+ state_entry->param1 = led_cfg->param1;
+ state_entry->param2 = led_cfg->param2;
+ led_assign_timer(state_entry);
+ }
+
+ /* enable gpio pins */
+ for(i = 0;i<led_cfg->gpio_num;i++)
+ {
+ int value;
+ int index;
+ int pos;
+ avalanche_gpio_ctrl (led_cfg->gpio[i],GPIO_PIN,GPIO_OUTPUT_PIN);
+
+ /* Turn off the led */
+ index = led_cfg->gpio[i]/32;
+ pos = led_cfg->gpio[i] % 32;
+ value = (gpio_offstate_map[index] & (1 << pos))?1:0;
+ avalanche_gpio_out_bit(led_cfg->gpio[i],value);
+ }
+
+ return 0;
+}
+
+
+static void free_all_states(void)
+{
+ int module_id;
+
+ for(module_id = 0; module_id < MAX_MODULE_ENTRIES; module_id++)
+ {
+ if(modules[module_id])
+ {
+ int i;
+ for(i = 0; i< MAX_MODULE_INSTANCES; i++)
+ {
+ MODULE_INSTANCE_T *module_instance = modules[module_id]->module_instance[i];
+
+ if(module_instance)
+ {
+ int state_id;
+
+ for(state_id =0; state_id < MAX_STATE_ENTRIES; state_id++)
+ {
+ STATE_ENTRY_T *state= module_instance->states[state_id];
+
+ if(state)
+ {
+ if(state->os_timer)
+ os_timer_delete(state->os_timer);
+
+ os_free(state);
+ module_instance->states[state_id] = NULL;
+ }
+
+ }
+ }
+
+ }
+ os_free(modules[module_id]->name);
+ os_free(modules[module_id]);
+ modules[module_id] = NULL;
+ }
+ }
+}
+
+/***********************************HAL APIS************************************/
+
+/**************************************************************************
+ * FUNCTION NAME : avalanche_led_hal_init
+ **************************************************************************
+ * DESCRIPTION :
+ * The function initializes led hal module
+ *
+ * RETURNS :
+ * 0 on Success
+ * Negative value on Error
+ ***************************************************************************/
+
+
+int avalanche_led_hal_init (int *gpio_off_value, int num_gpio_pins)
+{
+ //int i;
+
+ num_gpios = num_gpio_pins + 4;
+ assign_map(gpio_offstate_map, gpio_off_value);
+
+ MUTEX_INIT (led_lock);
+
+ /* initialize led state function handlers */
+ led_mode_handler[LED_ON] = led_on;
+ led_mode_handler[LED_OFF] = led_off;
+ led_mode_handler[LED_ONESHOT_ON] = led_oneshot_on;
+ led_mode_handler[LED_ONESHOT_OFF] = led_oneshot_off;
+ led_mode_handler[LED_FLASH] = led_flash;
+
+ return 0;
+}
+
+
+/**************************************************************************
+ * FUNCTION NAME : avalanche_led_config_set
+ **************************************************************************
+ * DESCRIPTION :
+ * The function configures LED state object
+ *
+ * RETURNS :
+ * 0 on Success
+ * Negative value on Error
+ ***************************************************************************/
+
+int avalanche_led_config_set(LED_CONFIG_T * led_cfg)
+{
+ MODULE_INSTANCE_T *module;
+ MUTEX_GET (led_lock);
+ module = get_module (led_cfg->name, led_cfg->instance);
+
+ if (!module)
+ goto config_failed;
+
+ if (led_cfg->state < MAX_STATE_ENTRIES)
+ {
+ int state = led_cfg->state;
+
+ if (!(module->states[state]))
+ {
+ module->states[state] = led_malloc (sizeof (STATE_ENTRY_T));
+ }
+
+ if (!(module->states[state]))
+ goto config_failed;
+
+ module->states[state]->module_id = module->module_id;
+
+ if(configure_state(module->states[state],led_cfg))
+ {
+ os_free(module->states[state]);
+ module->states[state] = NULL;
+ goto config_failed;
+ }
+
+ }
+ else
+ {
+ log_msg ("ERROR:State Count exceeded\n");
+ goto config_failed;
+ }
+
+ MUTEX_RELEASE (led_lock);
+ return 0;
+
+ config_failed:
+
+ MUTEX_RELEASE (led_lock);
+ return -1;
+
+}
+
+/**************************************************************************
+ * FUNCTION NAME : avalanche_led_register
+ **************************************************************************
+ * DESCRIPTION :
+ * The function creates handle to the given module and returns it.
+ *
+ * RETURNS :
+ * Handle to the module instance on success.
+ * NULL on failure.
+ ***************************************************************************/
+
+void *avalanche_led_register (const char *mod_name, int instance)
+{
+ void *p;
+ MUTEX_GET (led_lock);
+ p = (void *)get_module ((char *)mod_name, instance);
+ MUTEX_RELEASE (led_lock);
+ return p;
+}
+
+
+/**************************************************************************
+ * FUNCTION NAME : avalanche_led_action
+ **************************************************************************
+ * DESCRIPTION :
+ * The function triggers action on LED
+ *
+ ***************************************************************************/
+
+void avalanche_led_action (void *module, int state_id)
+{
+
+ MUTEX_GET (led_lock);
+ if (module && (state_id < MAX_STATE_ENTRIES))
+ {
+
+ STATE_ENTRY_T *state =
+ ((MODULE_INSTANCE_T *) (module))->states[state_id];
+ if (state)
+ {
+ state->handler (state);
+ }
+ }
+ MUTEX_RELEASE (led_lock);
+ return;
+}
+
+
+/**************************************************************************
+ * FUNCTION NAME : avalanche_led_unregister
+ **************************************************************************
+ * DESCRIPTION :
+ * The function unregisters the module
+ *
+ * RETURNS :
+ * 0 on Success
+ * Negative value on Error
+ ***************************************************************************/
+
+int avalanche_led_unregister (void *mod_inst)
+{
+
+ return 0;
+}
+
+
+/**************************************************************************
+ * FUNCTION NAME : led_free_all
+ **************************************************************************
+ * DESCRIPTION :
+ * The function frees the memory allocated for holding state
+ * configuration data
+ *
+ ***************************************************************************/
+
+void avalanche_led_free_all()
+{
+ free_all_states();
+}
+
+/**************************************************************************
+ * FUNCTION NAME : avalanche_led_hal_exit
+ **************************************************************************
+ * DESCRIPTION :
+ * The function releases all the allocated memory
+ *
+ ***************************************************************************/
+
+void avalanche_led_hal_exit ()
+{
+ free_all_states();
+}
+
+/*****************************************************************************
+ * FUNCTION NAME : avalanche_led_config_get
+ *****************************************************************************
+ * DESCRIPTION :
+ * The function returns configuration information corresponding to module
+ * state.
+ *
+ * RETURNS :
+ * 0 on Success
+ * Negative value on Error
+ ***************************************************************************/
+int avalanche_led_config_get(LED_CONFIG_T *led_cfg,int module_id,int instance, int state_id)
+{
+ if(module_id == -1)
+ {
+ /* The module info is passed through field of led_cfg */
+ MODULE_INSTANCE_T *mod = get_module (led_cfg->name, instance);
+ if(mod)
+ module_id = mod->module_id;
+
+ }
+ if(module_id >= MAX_MODULE_ENTRIES || module_id < 0)
+ return -1;
+
+ if(state_id >= MAX_STATE_ENTRIES || module_id < 0)
+ return -1;
+
+ if(instance >= MAX_MODULE_INSTANCES || module_id < 0)
+ return -1;
+
+ if(modules[module_id])
+ {
+ MODULE_INSTANCE_T *module = modules[module_id]->module_instance[instance];
+ if(module)
+ {
+ STATE_ENTRY_T *state = module->states[state_id];
+ if(state)
+ {
+ int i;
+ LED_OBJ_T *led;
+ strcpy(led_cfg->name, modules[module_id]->name);
+ led_cfg->state = state_id;
+ led_cfg->instance = instance;
+ led_cfg->param1 = state->param1;
+ led_cfg->param2 = state->param2;
+ led_cfg->mode[0] = state->mode;
+ led = state->led;
+
+ /* needs to be modified for multi-pin leds */
+ for(i = 0;i < num_gpios && !(led->pos_map[i/32] & (1 << i)); i++);
+
+ led_cfg->gpio[0] = i;
+ led_cfg->gpio_num = 1;
+
+ return 0;
+ }
+ }
+ }
+
+ return -1;
+}
diff -urN kernel-old/drivers/char/avalanche_led/led_hal.h kernel-current/drivers/char/avalanche_led/led_hal.h
--- kernel-old/drivers/char/avalanche_led/led_hal.h 1970-01-01 01:00:00.000000000 +0100
+++ kernel-current/drivers/char/avalanche_led/led_hal.h 2005-07-10 18:03:46.120957200 +0200
@@ -0,0 +1,28 @@
+/******************************************************************************
+ * FILE PURPOSE: - LED HAL module Header
+ ******************************************************************************
+ * FILE NAME: led_hal.h
+ *
+ * DESCRIPTION: LED HAL API's.
+ *
+ * REVISION HISTORY:
+ * 11 Oct 03 - PSP TII
+ *
+ * (C) Copyright 2002, Texas Instruments, Inc
+ *******************************************************************************/
+
+#ifndef __LED_HAL__
+#define __LED_HAL__
+
+/* Interface prototypes */
+
+int avalanche_led_hal_init (int *gpio_off_value, int num_gpio_pins);
+int avalanche_led_config_set (LED_CONFIG_T * led_cfg);
+int avalanche_led_config_get (LED_CONFIG_T *led_cfg,int module_id,int instance, int state);
+void *avalanche_led_register (const char *module_name, int instance_num);
+void avalanche_led_action (void *handle, int state_id);
+int avalanche_led_unregister (void *handle);
+void avalanche_led_free_all(void);
+void avalanche_led_hal_exit (void);
+
+#endif /*__LED_HAL__ */
diff -urN kernel-old/drivers/char/avalanche_led/led_platform.h kernel-current/drivers/char/avalanche_led/led_platform.h
--- kernel-old/drivers/char/avalanche_led/led_platform.h 1970-01-01 01:00:00.000000000 +0100
+++ kernel-current/drivers/char/avalanche_led/led_platform.h 2005-07-10 18:03:46.120957200 +0200
@@ -0,0 +1,117 @@
+/******************************************************************************
+ * FILE PURPOSE: - LED Platform specific Header file
+ ******************************************************************************
+ * FILE NAME: led_platform.h
+ *
+ * DESCRIPTION: Linux specific implementation for OS abstracted function calls
+ * made by LED HAL module. This file has functions defined for
+ * Memory allocation calls, Mutex calls, String and Timer
+ * operations.
+ *
+ * REVISION HISTORY:
+ * 11 Oct 03 - PSP TII
+ *
+ * (C) Copyright 2002, Texas Instruments, Inc
+ *******************************************************************************/
+
+#ifndef __LED_PLATFORM__
+#define __LED_PLATFORM__
+
+#include <linux/mm.h>
+#include <linux/slab.h>
+#include <asm/string.h>
+#include <linux/param.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/spinlock.h>
+
+
+#define os_malloc(x) kmalloc(x,GFP_KERNEL)
+#define os_memset memset
+#define os_free(x) kfree(x)
+#define os_strcmp os_strcasecmp
+#define os_strcpy strcpy
+
+#if defined(DEBUG)
+#define log_msg printk
+#else
+#define log_msg(x)
+#endif
+
+/* defines for Mutex */
+typedef struct {
+ spinlock_t lock;
+ int flags;
+}OS_SPINLOCK_T;
+
+#define MUTEX_DECLARE(x) static OS_SPINLOCK_T x
+#define MUTEX_INIT(x) x.lock = SPIN_LOCK_UNLOCKED
+#define MUTEX_GET(x) spin_lock_irqsave(&x.lock, x.flags)
+#define MUTEX_RELEASE(x) spin_unlock_irqrestore(&x.lock, x.flags)
+
+
+
+/* String handling functions not defined in asm/string.h */
+static __inline__ int os_strlen(char *str)
+{
+ int i;
+ for(i=0;str[i];i++);
+ return i;
+}
+
+
+#define LOWER(x) ((x < 'a') ? (x - 'A' + 'a'):(x))
+#define ISALPHA(x) ((( x >= 'a') && (x <= 'z')) || (( x >= 'A') && (x <= 'Z')))
+#define COMP(x,y) ((x == y) || ((ISALPHA(x) && ISALPHA(y)) && (LOWER(x) == LOWER(y))))
+
+
+static __inline__ int os_strcasecmp(char *str1, char *str2)
+{
+ int i;
+
+ for(i=0;str1[i] && str2[i];i++)
+ {
+ char x,y;
+
+ x = str1[i];
+ y = str2[i];
+
+ if(!COMP(x,y))
+ break;
+ }
+
+ return(str1[i] || str2[i]);
+}
+
+
+
+/* Functions for timer related operations */
+static __inline__ void * os_timer_init(void (*func)(int))
+{
+ struct timer_list *ptimer;
+ ptimer = (struct timer_list *) kmalloc(sizeof(struct timer_list),GFP_KERNEL);
+ init_timer( ptimer );
+ (void *)ptimer->function = (void *)func;
+ return (void *)ptimer;
+}
+
+static __inline__ int os_timer_add(void *timer_handle,int milisec,int arg)
+{
+ struct timer_list *ptimer=timer_handle;
+ ptimer->expires = ((HZ * milisec)/1000) + jiffies;
+ ptimer->data = arg;
+ add_timer(ptimer);
+ return 0;
+
+}
+
+static __inline__ int os_timer_delete(void *timer_handle)
+{
+ struct timer_list *ptimer=timer_handle;
+ del_timer(ptimer);
+ kfree(ptimer);
+ return 0;
+}
+
+
+#endif /* __LED_PLATFORM__ */
diff -urN kernel-old/drivers/char/avalanche_led/led_wrapper.c kernel-current/drivers/char/avalanche_led/led_wrapper.c
--- kernel-old/drivers/char/avalanche_led/led_wrapper.c 1970-01-01 01:00:00.000000000 +0100
+++ kernel-current/drivers/char/avalanche_led/led_wrapper.c 2005-07-10 18:25:14.657069936 +0200
@@ -0,0 +1,561 @@
+/******************************************************************************
+ * FILE PURPOSE: - LED Wrapper file for DSL module support
+ ******************************************************************************
+ * FILE NAME: led_wrapper.c
+ *
+ * DESCRIPTION: LED Wrapper file for DSL module support
+ * This is to provide backward compatibility to the ADSL module
+ * using OLD LED driver. The numbers mapped for DSL LEDs in the
+ * previous implementation is 3,4,5,6. Since these numbers overlap
+ * with the existing numbering scheme, the following numbers need to
+ * be used in the led configuration file - 32,33,34,35.
+ *
+ * (C) Copyright 2002, Texas Instruments, Inc
+ *******************************************************************************/
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <asm/ar7/sangam.h>
+#include "led_platform.h"
+#include "led_config.h"
+
+#define BITS_PER_INT (8 * sizeof(int))
+#define GPIOS_PER_INT BITS_PER_INT
+#define GPIO_MAP_LEN ((MAX_GPIO_PIN_NUM + GPIOS_PER_INT -1)/GPIOS_PER_INT)
+#define MODULE_MAP_LEN ((MAX_MODULE_ENTRIES + BITS_PER_INT -1)/BITS_PER_INT)
+
+
+#define REQUIRES_TIMER(x) (x > 1)
+
+#define gpio_on(gpio) do \
+ { \
+ if(gpio >= 32 && adsl_led_objs[gpio - 32].onfunc) \
+ adsl_led_objs[gpio - 32].onfunc(adsl_led_objs[gpio - 32].param);\
+ } while(0)
+
+
+
+#define gpio_off(gpio) \
+ do \
+ { \
+ if(gpio >= 32 && adsl_led_objs[gpio - 32].offfunc) \
+ adsl_led_objs[gpio - 32].offfunc(adsl_led_objs[gpio - 32].param);\
+ } while(0)
+
+
+
+
+
+
+/********************TYPEDEFS***********************************************/
+
+typedef struct gpio_module
+{
+ volatile unsigned int *gpio_write_reg;
+ volatile unsigned int *gpio_dir_reg;
+ volatile unsigned int *gpio_mode_reg;
+}GPIO_REGS_T;
+
+typedef struct {
+ unsigned int gpio_id;
+ unsigned int gpio_state;
+ int module_map[MODULE_MAP_LEN];
+}GPIO_OBJ_T;
+
+
+typedef struct state_entry STATE_ENTRY_T;
+
+struct state_entry{
+ unsigned int timer_running;
+ STATE_ENTRY_T *next;
+ void (*handler)(STATE_ENTRY_T *state);
+ GPIO_OBJ_T *gpio;
+ void *os_timer;
+ unsigned int param;
+ unsigned int module_id;
+ unsigned int mode;
+};
+
+
+typedef struct module_instance{
+ int module_id;
+ int instance;
+ STATE_ENTRY_T *states[MAX_STATE_ENTRIES];
+}MODULE_INSTANCE_T;
+
+typedef struct module_entry{
+ unsigned char *name;
+ MODULE_INSTANCE_T *module_instance[MAX_MODULE_INSTANCES];
+}MODULE_ENTRY_T;
+
+
+
+typedef struct led_reg{
+ unsigned int param;
+ void (*init)(unsigned long param);
+ void (*onfunc)(unsigned long param);
+ void (*offfunc)(unsigned long param);
+}led_reg_t;
+
+
+
+/* Interface prototypes */
+static int led_hal_init(GPIO_REGS_T gpio_mod, unsigned int *gpio_off_value,int num_gpio_pins);
+static int avalanche_led_set_config(LED_CONFIG_T *led_cfg);
+static void *avalanche_led_register(const char *module_name, int instance_num);
+static int avalanche_led_action(void *handle,int state_id);
+int avalanche_led_config_get (LED_CONFIG_T *led_cfg,int module_id,int instance, int state);
+
+led_reg_t adsl_led_objs[4];
+MODULE_INSTANCE_T *dsl_mod = NULL;
+static int gpio_off_state[GPIO_MAP_LEN] = AVALANCHE_GPIO_OFF_MAP;
+
+
+
+static unsigned int num_gpios;
+static GPIO_OBJ_T *gpio_arr;
+GPIO_REGS_T gpio_regs;
+
+/* GPIO OFF STATE */
+static unsigned int gpio_off_val[GPIO_MAP_LEN];
+
+
+MODULE_ENTRY_T *modules[MAX_MODULE_ENTRIES];
+
+/* LED handlers */
+void (*led_mode_handler[NUM_LED_MODES])(STATE_ENTRY_T *state);
+
+
+/******************static functions*****************************************/
+static void *led_malloc(int n)
+{
+ void *p;
+ p=kmalloc(n,GFP_ATOMIC);
+
+ if(p)
+ os_memset(p,0,n);
+ return p;
+}
+
+static void free_state(STATE_ENTRY_T *state)
+{
+
+ STATE_ENTRY_T *prev = NULL;
+ STATE_ENTRY_T *curr = NULL ;
+ while(curr != state)
+ {
+ curr = state;
+ prev = NULL;
+
+ while(curr->next != NULL)
+ {
+ prev = curr;
+ curr = curr->next;
+ }
+
+ os_free(curr);
+ if(prev)
+ {
+ prev->next = NULL;
+ }
+
+ }
+
+}
+
+static MODULE_INSTANCE_T* get_module(char * name,int instance)
+{
+ int module_id;
+ MODULE_INSTANCE_T *mod_inst;
+
+ if(instance >= MAX_MODULE_INSTANCES)
+ return NULL;
+
+ for(module_id=0;module_id <MAX_MODULE_ENTRIES;module_id++)
+ {
+ if(modules[module_id] && !os_strcmp(name,modules[module_id]->name))
+ break;
+ }
+
+ if(module_id == MAX_MODULE_ENTRIES)
+ {
+ for(module_id = 0; (module_id < MAX_MODULE_ENTRIES) && modules[module_id] ; module_id++);
+
+ if(module_id < MAX_MODULE_ENTRIES)
+ {
+ modules[module_id]=led_malloc(sizeof(MODULE_ENTRY_T));
+ modules[module_id]->name = led_malloc(os_strlen(name));
+ os_strcpy(modules[module_id]->name,name);
+ }
+ else
+ {
+ log_msg("ERROR:Module Count exceeded\n");
+ return NULL;
+ }
+ }
+
+ if(!modules[module_id]->module_instance[instance])
+ modules[module_id]->module_instance[instance] = led_malloc(sizeof(MODULE_INSTANCE_T));
+
+ mod_inst = modules[module_id]->module_instance[instance];
+ mod_inst->module_id = module_id;
+ mod_inst->instance = instance;
+
+ return mod_inst;
+}
+
+
+static void led_timer_func(int arg)
+{
+ STATE_ENTRY_T *state = (STATE_ENTRY_T *) arg;
+ GPIO_OBJ_T *gpio;
+
+
+ gpio = state->gpio;
+
+ switch(gpio->gpio_state)
+ {
+ case LED_ONESHOT_ON:
+ gpio->gpio_state = LED_OFF;
+ gpio_off(gpio->gpio_id);
+ break;
+
+ case LED_ONESHOT_OFF:
+ gpio->gpio_state = LED_ON;
+ gpio_on(gpio->gpio_id);
+ break;
+
+ case LED_FLASH:
+ {
+
+ if(state->timer_running == 1)
+ {
+ state->timer_running = 2;
+ gpio_off(gpio->gpio_id);
+ os_timer_add(state->os_timer,(state->param >> 16),(int)state);
+ }
+ else
+ {
+ state->timer_running = 1;
+ gpio_on(gpio->gpio_id);
+ os_timer_add(state->os_timer, (state->param & 0xffff),(int)state);
+ }
+ return;
+ }
+ default:
+ break;
+
+ }
+
+ state->timer_running = 0;
+
+
+}
+
+
+static void led_on(STATE_ENTRY_T *state)
+{
+ int mod_index = state->module_id >> 5;
+ GPIO_OBJ_T *gpio = state->gpio;
+
+ gpio->gpio_state = LED_ON;
+ gpio_on(gpio->gpio_id);
+ gpio->module_map[mod_index] |= (1 << (state->module_id % BITS_PER_INT));
+
+}
+
+static void led_off(STATE_ENTRY_T *state)
+{
+
+ int mod_index = state->module_id >> 5;
+ GPIO_OBJ_T *gpio = state->gpio;
+
+ gpio->module_map[mod_index] &= ~(1 << (state->module_id % BITS_PER_INT) );
+ if(!gpio->module_map[mod_index])
+ {
+ gpio->gpio_state = LED_OFF;
+ gpio_off(gpio->gpio_id);
+ }
+
+}
+
+static void led_oneshot_on(STATE_ENTRY_T *state)
+{
+ GPIO_OBJ_T *gpio = state->gpio;
+
+ state->timer_running = 1;
+ gpio->gpio_state = LED_ONESHOT_ON;
+ gpio_on(gpio->gpio_id);
+ os_timer_add(state->os_timer,state->param,(int)state);
+}
+
+static void led_oneshot_off(STATE_ENTRY_T *state)
+{
+
+ GPIO_OBJ_T *gpio = state->gpio;
+
+ state->timer_running = 1;
+ gpio->gpio_state = LED_ONESHOT_OFF;
+ gpio_off(gpio->gpio_id);
+ os_timer_add(state->os_timer,state->param,(int)state);
+}
+
+static void led_flash(STATE_ENTRY_T *state)
+{
+
+ GPIO_OBJ_T *gpio = state->gpio;
+
+ state->timer_running = 1;
+ gpio->gpio_state = LED_FLASH;
+ gpio_on(gpio->gpio_id);
+ os_timer_add(state->os_timer,(state->param & 0xffff),(int)state);
+}
+
+
+/****************HAL APIS***********************************************/
+int led_hal_init(GPIO_REGS_T gpio_reg,unsigned int *gpio_off_value,int num_gpio_pins)
+{
+ int i;
+ unsigned int *p_gpio=gpio_off_val;
+
+ gpio_regs = gpio_reg;
+ num_gpios = num_gpio_pins;
+
+ gpio_arr = led_malloc((num_gpio_pins + 4) * sizeof(GPIO_OBJ_T)); /* 4 added for ADSL gpio pins */
+
+ /* get gpios off state */
+ for(i=0; i < num_gpio_pins; i+=GPIOS_PER_INT)
+ {
+ *p_gpio = *gpio_off_value;
+ gpio_off_value++;
+ p_gpio++;
+ }
+
+ /* initialize gpio objects */
+ for(i=0; i<num_gpio_pins + 4;i++) /* 4 added for ADSL gpio pins */
+ {
+ gpio_arr[i].gpio_id = i;
+ }
+
+
+
+ /* initialize led state function handlers */
+ led_mode_handler[LED_ON] = led_on;
+ led_mode_handler[LED_OFF] = led_off;
+ led_mode_handler[LED_ONESHOT_ON] = led_oneshot_on;
+ led_mode_handler[LED_ONESHOT_OFF] = led_oneshot_off;
+ led_mode_handler[LED_FLASH] = led_flash;
+
+
+ return 0;
+}
+
+
+ /*********************************************************/
+
+int avalanche_led_set_config(LED_CONFIG_T *led_cfg)
+{
+ MODULE_INSTANCE_T *module;
+ module = get_module(led_cfg->name,led_cfg->instance);
+
+ if(!module )
+ goto config_failed;
+
+ if(led_cfg->state < MAX_STATE_ENTRIES)
+ {
+ STATE_ENTRY_T *state_entry;
+ int state=led_cfg->state;
+ int i;
+
+ if(!(module->states[state]))
+ {
+ module->states[state] = led_malloc(sizeof(STATE_ENTRY_T));
+ }
+
+ state_entry = module->states[state];
+
+ for(i=0;i<led_cfg->gpio_num;i++)
+ {
+ if(led_cfg->gpio[i] >= (num_gpios + 4) ) /* 4 added for ADSL */
+ {
+ log_msg("Error: gpio number out of range\n");
+ goto config_failed;
+ }
+
+ state_entry->gpio = &gpio_arr[led_cfg->gpio[i]];
+ state_entry->mode = led_cfg->mode[i];
+ state_entry->module_id = module->module_id;
+ state_entry->handler = led_mode_handler[state_entry->mode];
+ state_entry->timer_running = 0;
+
+ if(REQUIRES_TIMER(led_cfg->mode[i])) /* requires timer */
+ {
+
+ state_entry->param = led_cfg->param1;
+
+ if(led_cfg->mode[i] == LED_FLASH)
+ state_entry->param |= (led_cfg->param2 << 16);
+
+ if(!(state_entry->os_timer))
+ state_entry->os_timer = os_timer_init(led_timer_func);
+ }
+
+ if(i == led_cfg->gpio_num - 1)
+ {
+ free_state(state_entry->next);
+ state_entry->next = NULL;
+ break;
+ }
+
+
+ /* allocate next node */
+ else if( !(state_entry->next))
+ {
+ state_entry->next = led_malloc(sizeof(STATE_ENTRY_T));
+ }
+
+ state_entry = state_entry->next;
+
+
+ }
+
+ }
+ else
+ {
+ log_msg("ERROR:State Count exceeded\n");
+ goto config_failed;
+ }
+
+ return 0;
+
+ config_failed:
+
+ return -1;
+
+
+
+}
+
+ /*********************************************************/
+
+void *avalanche_led_register(const char * mod_name,int instance)
+{
+ void *p;
+ p = get_module((void * )mod_name,instance);
+ return p;
+ }
+
+
+int avalanche_led_action(void *module, int state_id)
+{
+
+ if(module && state_id < MAX_STATE_ENTRIES)
+ {
+
+ STATE_ENTRY_T *state =((MODULE_INSTANCE_T *)(module))->states[state_id];
+ while(state)
+ {
+ if(state->timer_running == 0)
+ {
+ state->handler(state);
+ }
+ state = state->next;
+
+ }
+ }
+ return 0;
+}
+
+
+
+int led_get_dsl_config(void)
+{
+
+ int state_id = 0;
+ LED_CONFIG_T led_cfg;
+ int state_count = 0;
+
+ os_strcpy(led_cfg.name,"adsl");
+
+ for(state_id = 0; state_id < MAX_STATE_ENTRIES;state_id++)
+ {
+ if(avalanche_led_config_get(&led_cfg,-1,0,state_id) == 0)
+ {
+ /* call configure */
+ avalanche_led_set_config(&led_cfg);
+ state_count++;
+ }
+
+ }
+ return state_count;
+
+
+}
+
+
+void register_led_drv(int led_num,led_reg_t *led)
+{
+
+ /* DSL leds are numbered from 3 to 6 */
+ int led_index = led_num - 3;
+
+ if(led_index >=0 && led_index <= 2)
+ {
+ adsl_led_objs[led_index] = *led;
+
+ if(adsl_led_objs[led_index].init)
+ adsl_led_objs[led_index].init(adsl_led_objs[led_index].param);
+ }
+
+}
+
+void deregister_led_drv( int led_num)
+{
+ /* DSL leds are numbered from 3 to 6 */
+ int led_index = led_num - 3;
+
+ if(led_index >=0 && led_index <= 2)
+ {
+ adsl_led_objs[led_index].onfunc = NULL;
+ adsl_led_objs[led_index].offfunc = NULL;
+ }
+ return;
+}
+
+void led_operation(int mod,int state_id)
+{
+ static int configured = 0;
+
+ if(configured == 0)
+ {
+ configured = led_get_dsl_config();
+ }
+
+ avalanche_led_action(dsl_mod,state_id);
+}
+
+static int __init led_init(void)
+{
+ GPIO_REGS_T gpio_regs;
+
+ gpio_regs.gpio_write_reg = NULL;
+ gpio_regs.gpio_dir_reg = NULL;
+ gpio_regs.gpio_mode_reg = NULL;
+
+ led_hal_init(gpio_regs,gpio_off_state,AVALANCHE_GPIO_PIN_COUNT);
+
+ /* register instance 0 of adsl module */
+ dsl_mod = avalanche_led_register("adsl",0);
+ return 0;
+
+}
+
+__initcall(led_init);
+
+
+
+EXPORT_SYMBOL_NOVERS(led_init);
+EXPORT_SYMBOL_NOVERS(led_operation);
+EXPORT_SYMBOL_NOVERS(register_led_drv);
+EXPORT_SYMBOL_NOVERS(deregister_led_drv);
+
diff -urN kernel-old/drivers/char/avalanche_led/Makefile kernel-current/drivers/char/avalanche_led/Makefile
--- kernel-old/drivers/char/avalanche_led/Makefile 1970-01-01 01:00:00.000000000 +0100
+++ kernel-current/drivers/char/avalanche_led/Makefile 2005-07-10 18:25:32.692328160 +0200
@@ -0,0 +1,23 @@
+# File: drivers/char/avalanche_led/Makefile
+#
+# Makefile for the Linux LED device driver.
+#
+
+
+O_TARGET := avalanche_led.o
+obj-m := avalanche_led.o
+list-multi := avalanche_led.o
+
+EXTRA_CFLAGS := -I$(TOPDIR)/include/asm/ar7
+
+export-objs := led_drv.o led_wrapper.o
+
+avalanche_led-objs := led_hal.o led_drv.o led_wrapper.o
+
+include $(TOPDIR)/Rules.make
+
+avalanche_led.o: $(avalanche_led-objs)
+ $(LD) -r -o $@ $(avalanche_led-objs)
+
+clean:
+ rm -f core *.o *.a *.s
diff -urN kernel-old/drivers/char/Config.in kernel-current/drivers/char/Config.in
--- kernel-old/drivers/char/Config.in 2005-07-10 02:55:18.318811000 +0200
+++ kernel-current/drivers/char/Config.in 2005-07-10 18:03:46.121957048 +0200
@@ -133,6 +133,10 @@
fi
fi
fi
+if [ "$CONFIG_AR7" = "y" ]; then
+ bool 'Enable LED support' CONFIG_MIPS_AVALANCHE_LED
+fi
+
if [ "$CONFIG_EXPERIMENTAL" = "y" -a "$CONFIG_ZORRO" = "y" ]; then
tristate 'Commodore A2232 serial support (EXPERIMENTAL)' CONFIG_A2232
fi
diff -urN kernel-old/drivers/char/Makefile kernel-current/drivers/char/Makefile
--- kernel-old/drivers/char/Makefile 2005-07-10 02:55:18.319811000 +0200
+++ kernel-current/drivers/char/Makefile 2005-07-10 18:03:46.122956896 +0200
@@ -190,6 +190,19 @@
obj-$(CONFIG_PCI) += keyboard.o $(KEYMAP)
endif
+#
+# Texas Intruments LED driver
+#
+ifeq ($(CONFIG_MIPS_AVALANCHE_LED),y)
+obj-$(CONFIG_MIPS_AVALANCHE_LED) += avalanche_led/avalanche_led.o
+subdir-$(CONFIG_MIPS_AVALANCHE_LED) += avalanche_led
+endif
+
+ifeq ($(CONFIG_MIPS_AVALANCHE_LED),m)
+obj-$(CONFIG_MIPS_AVALANCHE_LED) += avalanche_led/avalanche_led.o
+subdir-$(CONFIG_MIPS_AVALANCHE_LED) += avalanche_led
+endif
+
obj-$(CONFIG_HIL) += hp_keyb.o
obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
obj-$(CONFIG_ATARI_DSP56K) += dsp56k.o
diff -urN kernel-old/include/asm-mips/ar7/ledapp.h kernel-current/include/asm-mips/ar7/ledapp.h
--- kernel-old/include/asm-mips/ar7/ledapp.h 1970-01-01 01:00:00.000000000 +0100
+++ kernel-current/include/asm-mips/ar7/ledapp.h 2005-07-10 18:49:37.556426688 +0200
@@ -0,0 +1,59 @@
+#ifndef __LED_APP__
+#define __LED_APP__
+
+#define CONF_FILE "/etc/led.conf"
+#define LED_PROC_FILE "/proc/led_mod/led"
+
+#define CONFIG_LED_MODULE
+
+#define MAX_MOD_ID 25
+#define MAX_STATE_ID 25
+#define MAX_LED_ID 25
+
+#define MOD_ADSL 1
+#define DEF_ADSL_IDLE 1
+#define DEF_ADSL_TRAINING 2
+#define DEF_ADSL_SYNC 3
+#define DEF_ADSL_ACTIVITY 4
+
+#define MOD_WAN 2
+#define DEF_WAN_IDLE 1
+#define DEF_WAN_NEGOTIATE 2
+#define DEF_WAN_SESSION 3
+
+#define MOD_LAN 3
+#define DEF_LAN_IDLE 1
+#define DEF_LAN_LINK_UP 2
+#define DEF_LAN_ACTIVITY 3
+
+#define MOD_WLAN 4
+#define DEF_WLAN_IDLE 1
+#define DEF_WLAN_LINK_UP 2
+#define DEF_WLAN_ACTIVITY 3
+
+#define MOD_USB 5
+#define DEF_USB_IDLE 1
+#define DEF_USB_LINK_UP 2
+#define DEF_USB_ACTIVITY 3
+
+#define MOD_ETH 6
+#define DEF_ETH_IDLE 1
+#define DEF_ETH_LINK_UP 2
+#define DEF_ETH_ACTIVITY 3
+
+typedef struct config_elem{
+ unsigned char name;
+ unsigned char state;
+ unsigned char mode;
+ unsigned char led;
+ int param;
+}config_elem_t;
+
+typedef struct led_reg{
+ unsigned int param;
+ void (*init)(unsigned long param);
+ void (*onfunc)(unsigned long param);
+ void (*offfunc)(unsigned long param);
+}led_reg_t;
+
+#endif
diff -urN kernel-old/include/asm-mips/ar7/led_config.h kernel-current/include/asm-mips/ar7/led_config.h
--- kernel-old/include/asm-mips/ar7/led_config.h 1970-01-01 01:00:00.000000000 +0100
+++ kernel-current/include/asm-mips/ar7/led_config.h 2005-07-10 18:03:46.122956896 +0200
@@ -0,0 +1,51 @@
+/******************************************************************************
+ * FILE PURPOSE: - LED config Header
+ ******************************************************************************
+ * FILE NAME: led_config.h
+ *
+ * DESCRIPTION: Header file for LED configuration parameters
+ * and data structures
+ *
+ * REVISION HISTORY:
+ * 11 Oct 03 - PSP TII
+ *
+ * (C) Copyright 2002, Texas Instruments, Inc
+ *******************************************************************************/
+
+
+#ifndef __LED_CONFIG__
+#define __LED_CONFIG__
+
+/* LED config parameters */
+#define MAX_GPIO_PIN_NUM 64
+#define MAX_GPIOS_PER_STATE 2
+#define MAX_MODULE_ENTRIES 25
+#define MAX_MODULE_INSTANCES 2
+#define MAX_STATE_ENTRIES 25
+#define NUM_LED_MODES 5
+#define MAX_LED_ENTRIES 25
+
+
+/* LED modes */
+#define LED_OFF 0
+#define LED_ON 1
+#define LED_ONESHOT_OFF 2
+#define LED_ONESHOT_ON 3
+#define LED_FLASH 4
+
+
+
+/* Data structure for LED configuration */
+typedef struct led_config{
+ unsigned char name[80];
+ unsigned int instance;
+ unsigned int state;
+ unsigned int gpio[MAX_GPIOS_PER_STATE];
+ unsigned int mode[MAX_GPIOS_PER_STATE];
+ unsigned int gpio_num;
+ unsigned int param1;
+ unsigned int param2;
+}LED_CONFIG_T;
+
+
+#endif /* __LED_CONFIG__ */
diff -urN kernel-old/include/asm-mips/ar7/led_ioctl.h kernel-current/include/asm-mips/ar7/led_ioctl.h
--- kernel-old/include/asm-mips/ar7/led_ioctl.h 1970-01-01 01:00:00.000000000 +0100
+++ kernel-current/include/asm-mips/ar7/led_ioctl.h 2005-07-10 18:03:46.122956896 +0200
@@ -0,0 +1,32 @@
+/******************************************************************************
+ * FILE PURPOSE: - LED ioctl Header
+ ******************************************************************************
+ * FILE NAME: led_ioctl.h
+ *
+ * DESCRIPTION: Header file defining macros for ioctl commands.
+ *
+ * REVISION HISTORY:
+ * 11 Oct 03 - PSP TII
+ *
+ * (C) Copyright 2002, Texas Instruments, Inc
+ *******************************************************************************/
+#ifndef __LED_IOCTL__
+#define __LED_IOCTL__
+
+typedef struct led_mod{
+unsigned char *name;
+unsigned int instance;
+unsigned int handle;
+}LED_MODULE_T;
+
+typedef struct led_state{
+unsigned int handle;
+unsigned int state_id;
+}LED_STATE_T;
+
+#define LED_CONFIG 0
+#define LED_GET_HANDLE 1
+#define LED_ACTION 2
+#define LED_RELEASE_HANDLE 3
+
+#endif /* __LED_IOCTL__ */
Copy Permalink