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6fe9c8936f
openwrt-xburst/openwrt/target/linux/linux-2.4/patches/ar7/002-led_driver.patch
nbd ae9c0f20fa change config name of led driver 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@1526 3c298f89-4303-0410-b956-a3cf2f4a3e73
2005-07-21 20:58:24 +00:00

1823 lines
45 KiB
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diff -urN linux.old/drivers/char/avalanche_led/gpio.c linux.dev/drivers/char/avalanche_led/gpio.c
--- linux.old/drivers/char/avalanche_led/gpio.c 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/char/avalanche_led/gpio.c 2005-07-22 06:52:42.973338640 +0200
@@ -0,0 +1,382 @@
+#include <linux/kernel.h>
+#include <asm/uaccess.h>
+#include <linux/spinlock.h>
+#include <linux/proc_fs.h>
+#include <linux/fs.h>
+#include <linux/timer.h>
+#include <linux/module.h>
+
+#include <asm/ar7/tnetd73xx_err.h>
+#include <asm/ar7/tnetd73xx_misc.h>
+#include <asm/ar7/ledapp.h>
+
+#define TRUE 1
+#define FALSE 0
+
+#if defined CONFIG_AR7WRD || defined CONFIG_AR7RD
+
+#define AR7_RESET_FILE "led_mod/ar7reset"
+#define AR7_VERSION_FILE "led_mod/hardware_version"
+#define AR7_RESET_GPIO 11
+#define RESET_POLL_TIME 1
+#define RESET_HOLD_TIME 4
+#define NO_OF_LEDS
+
+static struct proc_dir_entry *reset_file;
+static int res_state = 0;
+static int count;
+static struct timer_list *pTimer = NULL;
+static ssize_t proc_read_reset_fops(struct file *filp,
+ char *buf,size_t count , loff_t *offp);
+
+static ssize_t proc_read_hwversion_fops(struct file *filp,
+ char *buf,size_t count , loff_t *offp);
+
+struct file_operations reset_fops = {
+ read: proc_read_reset_fops
+ };
+struct file_operations hardware_version_fops = {
+ read: proc_read_hwversion_fops
+ };
+#endif
+
+static spinlock_t device_lock;
+led_reg_t temp[15];
+
+static void gpio_led_on( unsigned long param )
+{
+ unsigned int flags;
+
+ spin_lock_irqsave(&device_lock, flags);
+
+ tnetd73xx_gpio_out(param,FALSE);
+ spin_unlock_irqrestore(&device_lock, flags);
+}
+
+static void gpio_led_off ( unsigned long param )
+{
+ unsigned int flags = 0x00;
+
+ spin_lock_irqsave(&device_lock, flags);
+
+ tnetd73xx_gpio_out(param,TRUE);
+ spin_unlock_irqrestore(&device_lock, flags);
+}
+
+static void gpio_led_init( unsigned long param)
+{
+ tnetd73xx_gpio_ctrl(param,GPIO_PIN,GPIO_OUTPUT_PIN);
+}
+
+static void board_gpio_reset(void)
+{
+ /* Initialize the link mask */
+ device_lock = SPIN_LOCK_UNLOCKED;
+ return;
+}
+
+#if defined CONFIG_AR7WRD || defined CONFIG_AR7RD
+
+static ssize_t proc_read_hwversion_fops(struct file *filp, char *buf,
+ size_t count, loff_t *offp)
+{
+ char line[8];
+ int len = 0;
+ if( *offp != 0 )
+ return 0;
+
+ len = sprintf(line, "%d%d.%d%d%d%d\n", tnetd73xx_gpio_in(20),
+ tnetd73xx_gpio_in(21), tnetd73xx_gpio_in(22),
+ tnetd73xx_gpio_in(23), tnetd73xx_gpio_in(24),
+ tnetd73xx_gpio_in(25));
+
+ copy_to_user(buf, line, len);
+ *offp = len;
+ return len;
+}
+
+static ssize_t proc_read_reset_fops(struct file *filp,
+ char *buf,size_t count , loff_t *offp)
+{
+ char * pdata = NULL;
+ char line[3];
+ int len = 0;
+ if( *offp != 0 )
+ return 0;
+
+ pdata = buf;
+ len = sprintf(line,"%d\n", res_state );
+//wwzh
+// res_state = 0;
+ copy_to_user(buf,line,len );
+ *offp = len;
+ return len;
+}
+
+static void reset_timer_func(unsigned long data)
+{
+//wwzh
+#if 0
+ count = (tnetd73xx_gpio_in(AR7_RESET_GPIO) == 0) ? count + 1: 0;
+ if( count >= RESET_HOLD_TIME/RESET_POLL_TIME )
+#endif
+ if (tnetd73xx_gpio_in(AR7_RESET_GPIO) == 0)
+ res_state = 1;
+ else
+ res_state = 0;
+ pTimer->expires = jiffies + HZ*RESET_POLL_TIME;
+ add_timer (pTimer);
+ return;
+}
+
+static void hardware_version_init(void)
+{
+ static struct proc_dir_entry *hardware_version_file;
+ hardware_version_file = create_proc_entry(AR7_VERSION_FILE, 0777, NULL);
+ if(hardware_version_file == NULL)
+ return;
+
+ hardware_version_file->owner = THIS_MODULE;
+ hardware_version_file->proc_fops = &hardware_version_fops;
+
+ tnetd73xx_gpio_ctrl(20,GPIO_PIN,GPIO_INPUT_PIN);
+ tnetd73xx_gpio_ctrl(21,GPIO_PIN,GPIO_INPUT_PIN);
+ tnetd73xx_gpio_ctrl(22,GPIO_PIN,GPIO_INPUT_PIN);
+ tnetd73xx_gpio_ctrl(23,GPIO_PIN,GPIO_INPUT_PIN);
+ tnetd73xx_gpio_ctrl(24,GPIO_PIN,GPIO_INPUT_PIN);
+ tnetd73xx_gpio_ctrl(25,GPIO_PIN,GPIO_INPUT_PIN);
+
+ return;
+}
+
+static void reset_init(void)
+{
+ /* Create board reset proc file */
+ reset_file = create_proc_entry( AR7_RESET_FILE, 0777, NULL);
+ if( reset_file == NULL)
+ goto reset_file;
+ reset_file->owner = THIS_MODULE;
+ reset_file->proc_fops = &reset_fops;
+
+ /* Initialise GPIO 11 for input */
+ tnetd73xx_gpio_ctrl(AR7_RESET_GPIO,GPIO_PIN,GPIO_INPUT_PIN);
+
+ /* Create a timer which fires every seconds */
+ pTimer = kmalloc(sizeof(struct timer_list),GFP_KERNEL);
+ init_timer( pTimer );
+ pTimer->function = reset_timer_func;
+ pTimer->data = 0;
+ /* Start the timer */
+ reset_timer_func(0);
+ return ;
+
+ reset_file:
+ remove_proc_entry("AR7_RESET_FILE",NULL);
+ return;
+}
+#endif
+/*************wwzh****************/
+#if 1
+extern unsigned int sys_mod_state;
+extern unsigned int wan_mod_state;
+extern unsigned int wlan_mod_state;
+void sys_led_init(void)
+{
+ tnetd73xx_gpio_ctrl(4, GPIO_PIN, GPIO_OUTPUT_PIN);
+ tnetd73xx_gpio_ctrl(5, GPIO_PIN, GPIO_OUTPUT_PIN);
+ tnetd73xx_gpio_ctrl(8, GPIO_PIN, GPIO_OUTPUT_PIN);
+
+ tnetd73xx_gpio_out(4, FALSE);
+ tnetd73xx_gpio_out(5, TRUE);
+ tnetd73xx_gpio_out(8, TRUE);
+
+
+ sys_mod_state = 2;
+
+}
+void wan_led_init(void)
+{
+
+ tnetd73xx_gpio_ctrl(2, GPIO_PIN, GPIO_OUTPUT_PIN);
+ tnetd73xx_gpio_ctrl(3, GPIO_PIN, GPIO_OUTPUT_PIN);
+
+ tnetd73xx_gpio_out(2, FALSE);
+ tnetd73xx_gpio_out(3, FALSE);
+
+ wan_mod_state = 1;
+}
+//wwzh wireless
+#if 0
+void wlan_led_init(void)
+{
+ //unsigned long i = 0;
+ tnetd73xx_gpio_ctrl(12, GPIO_PIN, GPIO_OUTPUT_PIN);
+ tnetd73xx_gpio_ctrl(13, GPIO_PIN, GPIO_OUTPUT_PIN);
+
+ tnetd73xx_gpio_out(12, FALSE);
+ tnetd73xx_gpio_out(13, TRUE);
+ //for (i = 0; i < 0x20000000; i++);
+ wlan_mod_state = 1;
+}
+#endif
+
+#endif
+/*************end ****************/
+
+void board_gpio_init(void)
+{
+
+ board_gpio_reset();
+/**************wwzh*************/
+ sys_led_init();
+ wan_led_init();
+
+ //junzhao 2004.3.15
+ hardware_version_init();
+
+ //wlan_led_init();
+
+ /* Register Device MAX_LED_ID + 1 for reset to factory default */
+ temp[0].param = 0;
+ temp[0].init = reset_init;
+ temp[0].onfunc = 0;
+ temp[0].offfunc = 0;
+ register_led_drv( MAX_LED_ID + 1 , &temp[0]);
+//wwzh for wireless led
+#if 1
+ /* Register led 12 WiFi 6 */
+ temp[1].param = 6;
+ temp[1].init = gpio_led_init;
+ temp[1].onfunc = gpio_led_on;
+ temp[1].offfunc = gpio_led_off;
+ register_led_drv( 12 , &temp[1]);
+
+#endif
+
+#if 0
+/**************end ************/
+#if defined(CONFIG_AR5D01)
+ /* Register led 1 GPIO0 */
+ temp[0].param = GPIO_0;
+ temp[0].init = gpio_led_init;
+ temp[0].onfunc = gpio_led_on;
+ temp[0].offfunc = gpio_led_off;
+ register_led_drv( 1 , &temp[0]);
+
+ /* Register led 2 EINT1 */
+ temp[1].param = EINT_1;
+ temp[1].init = gpio_led_init;
+ temp[1].onfunc = gpio_led_on;
+ temp[1].offfunc = gpio_led_off;
+ register_led_drv( 2 , &temp[1]);
+
+ /* Register led 5 EINT1 */
+ temp[2].param = GPIO_1;
+ temp[2].init = gpio_led_init;
+ temp[2].onfunc = gpio_led_on;
+ temp[2].offfunc = gpio_led_off;
+ register_led_drv( 5 , &temp[2]);
+#endif
+
+#if defined(CONFIG_AR5W01)
+ /* Register led 5 GPIO_1 */
+ temp[0].param = GPIO_1;
+ temp[0].init = gpio_led_init;
+ temp[0].onfunc = gpio_led_on;
+ temp[0].offfunc = gpio_led_off;
+ register_led_drv( 5 , &temp[0]);
+
+ /* Register led 7 GPIO_0 */
+ temp[1].param = GPIO_0;
+ temp[1].init = gpio_led_init;
+ temp[1].onfunc = gpio_led_on;
+ temp[1].offfunc = gpio_led_off;
+ register_led_drv( 7 , &temp[1]);
+#endif
+
+//wwzh #if defined(CONFIG_AR7RD)
+#if defined CONFIG_AR7WRD || defined CONFIG_AR7RD
+ /* Register led 5 Green PPPOE GPIO 13 */
+ temp[0].param = 13;
+ temp[0].init = gpio_led_init;
+ temp[0].onfunc = gpio_led_on;
+ temp[0].offfunc = gpio_led_off;
+ register_led_drv( 5 , &temp[0]);
+
+ /* Register led 7 Green USB GPIO 12 */
+ temp[1].param = 12;
+ temp[1].init = gpio_led_init;
+ temp[1].onfunc = gpio_led_on;
+ temp[1].offfunc = gpio_led_off;
+ register_led_drv( 7 , &temp[1]);
+
+ /* Register Device MAX_LED_ID + 1 for reset to factory default */
+ temp[2].param = 0;
+ temp[2].init = reset_init;
+ temp[2].onfunc = 0;
+ temp[2].offfunc = 0;
+ register_led_drv( MAX_LED_ID + 1 , &temp[2]);
+
+ /* Register led 8 RED DSL GPIO 10 */
+ temp[3].param = 10;
+ temp[3].init = gpio_led_init;
+ temp[3].onfunc = gpio_led_on;
+ temp[3].offfunc = gpio_led_off;
+ register_led_drv( 8 , &temp[3]);
+
+ /* Register led 9 RED PPPoE down GPIO 9 */
+ temp[4].param = 9;
+ temp[4].init = gpio_led_init;
+ temp[4].onfunc = gpio_led_on;
+ temp[4].offfunc = gpio_led_off;
+ register_led_drv( 9 , &temp[4]);
+
+ /* Register led 10 DSL down GPIO 8 */
+ temp[5].param = 8;
+ temp[5].init = gpio_led_init;
+ temp[5].onfunc = gpio_led_on;
+ temp[5].offfunc = gpio_led_off;
+ register_led_drv( 10 , &temp[5]);
+
+ /* Register led 11 Power GPIO 7 */
+ temp[6].param = 7;
+ temp[6].init = gpio_led_init;
+ temp[6].onfunc = gpio_led_on;
+ temp[6].offfunc = gpio_led_off;
+ register_led_drv( 11 , &temp[6]);
+
+ /* Register led 12 WiFi 6 */
+ temp[7].param = 6;
+ temp[7].init = gpio_led_init;
+ temp[7].onfunc = gpio_led_on;
+ temp[7].offfunc = gpio_led_off;
+ register_led_drv( 12 , &temp[7]);
+
+ /* Register led 13 ELINK(AA1313) GPIO 15 */
+ temp[8].param = 15;
+ temp[8].init = gpio_led_init;
+ temp[8].onfunc = gpio_led_on;
+ temp[8].offfunc = gpio_led_off;
+ register_led_drv( 13 , &temp[8]);
+
+ /* Register led 14 EACT(Y13) GPIO 16 */
+ temp[9].param = 16;
+ temp[9].init = gpio_led_init;
+ temp[9].onfunc = gpio_led_on;
+ temp[9].offfunc = gpio_led_off;
+ register_led_drv( 14 , &temp[9]);
+
+#endif
+/**************wwzh**************/
+#endif
+/**************end **************/
+ return;
+}
+
+
+
+
+
+
+
+
diff -urN linux.old/drivers/char/avalanche_led/ledmod.c linux.dev/drivers/char/avalanche_led/ledmod.c
--- linux.old/drivers/char/avalanche_led/ledmod.c 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/char/avalanche_led/ledmod.c 2005-07-22 06:52:42.975338336 +0200
@@ -0,0 +1,1116 @@
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/proc_fs.h>
+#include <asm/uaccess.h>
+#include <linux/fs.h>
+#include <linux/timer.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <asm/ar7/avalanche_regs.h>
+#include <asm/ar7/ledapp.h>
+#include <linux/module.h>
+
+#define LED_ON 1
+#define LED_OFF 2
+#define LED_BLINK 3
+#define LED_FLASH 4
+
+#define LED_BLINK_UP 5
+#define LED_BLINK_DOWN 6
+
+extern void avalanche_leds_init(void);
+
+/***********wwzh**************/
+unsigned int sys_mod_state;
+unsigned int wan_mod_state;
+unsigned int wlan_mod_state;
+
+struct timer_list *pWanTimer = NULL;
+struct timer_list *pWlanTimer = NULL;
+/***********end **************/
+
+typedef struct state_entry{
+ unsigned char mode;
+ unsigned char led;
+ void (*handler)(struct state_entry *pState);
+ unsigned long param;
+}state_entry_t;
+
+typedef struct mod_entry{
+ state_entry_t *states[MAX_STATE_ID];
+}mod_entry_t;
+
+static mod_entry_t *modArr[MAX_MOD_ID];
+static struct proc_dir_entry *led_proc_dir,*led_file;
+
+/* index of the array is the led number HARDWARE SPECIFIC*/
+typedef struct led_data{
+ led_reg_t *led;
+ int state;
+ struct timer_list *pTimer;
+ unsigned char timer_running;
+ unsigned long param;
+}led_data_t;
+
+led_data_t led_arr[MAX_LED_ID + 1];
+/*!!! The last device is actually being used for ar7 reset to factory default */
+
+
+static spinlock_t config_lock;
+
+static void board_led_link_up( state_entry_t *pState );
+static void board_led_link_down( state_entry_t *pState );
+static void board_led_activity_on( state_entry_t *pState );
+static void board_led_activity_off( state_entry_t *pState );
+static void led_timer_func(unsigned long data);
+
+extern void board_gpio_init(void);
+extern void uart_led_init(void);
+
+static ssize_t proc_read_led_fops(struct file *filp,
+ char *buf,size_t count , loff_t *offp);
+static ssize_t proc_write_led_fops(struct file *filp,const char *buffer,
+ size_t count , loff_t *offp);
+static int config_led( unsigned long y);
+
+struct file_operations led_fops = {
+ read: proc_read_led_fops,
+ write: proc_write_led_fops,
+ };
+
+static int led_atoi( char *name)
+{
+ int val = 0;
+ for(;;name++)
+ {
+ switch(*name)
+ {
+ case '0'...'9':
+ val = val*10+(*name - '0');
+ break;
+ default:
+ return val;
+ }
+ }
+}
+
+static int free_memory(void)
+{
+ int i, j;
+
+ for( i = 0; i < MAX_MOD_ID ; i++)
+ {
+ if( modArr[i] != NULL )
+ {
+ for( j = 0; j < MAX_STATE_ID ; j++ )
+ {
+ if( modArr[i]->states[j] != NULL )
+ kfree( modArr[i]->states[j]);
+ }
+ kfree(modArr[i]);
+ modArr[i] = NULL;
+ }
+ }
+ return 0;
+}
+
+static int led_on( state_entry_t *pState )
+{
+ if( led_arr[pState->led].led == NULL)
+ return -1;
+ led_arr[pState->led].led->onfunc( led_arr[pState->led].led->param);
+ return 0;
+}
+
+static int led_off( state_entry_t *pState )
+{
+ if( led_arr[pState->led].led == NULL)
+ return -1;
+ led_arr[pState->led].led->offfunc( led_arr[pState->led].led->param);
+ return 0;
+}
+
+static void board_led_link_up( state_entry_t *pState )
+{
+ led_arr[pState->led].state = LED_ON;
+ if( led_arr[pState->led].timer_running == 0 )
+ led_on(pState);
+ return;
+}
+
+static void board_led_link_down( state_entry_t *pState )
+{
+ led_arr[pState->led].state = LED_OFF;
+ if( led_arr[pState->led].timer_running == 0 )
+ led_off(pState);
+ return;
+}
+
+static void add_led_timer(state_entry_t *pState)
+{
+ led_arr[pState->led].pTimer->expires = jiffies + HZ*(pState->param)/1000;
+ led_arr[pState->led].param = pState->param;
+ led_arr[pState->led].pTimer->data = pState;
+ add_timer (led_arr[pState->led].pTimer);
+}
+
+static void board_led_activity_on(state_entry_t *pState)
+{
+ if(led_arr[pState->led].timer_running == 0)
+ {
+ led_on(pState);
+ add_led_timer(pState);
+ led_arr[pState->led].timer_running = 1;
+ led_arr[pState->led].state = LED_BLINK_UP;
+ }
+ else if( led_arr[pState->led].timer_running > 0xF0)
+ {
+ led_arr[pState->led].state = LED_BLINK_UP;
+ led_arr[pState->led].pTimer->expires = jiffies + HZ*(pState->param)/1000;
+ led_arr[pState->led].param = pState->param;
+ led_arr[pState->led].pTimer->data = pState;
+ }
+ return;
+}
+
+static void board_led_activity_off(state_entry_t *pState)
+{
+ if(led_arr[pState->led].timer_running == 0)
+ {
+ led_off(pState);
+ add_led_timer(pState);
+ led_arr[pState->led].timer_running = 1;
+ led_arr[pState->led].state = LED_BLINK_UP;
+ }
+ else if( led_arr[pState->led].timer_running > 0xF0)
+ {
+ led_arr[pState->led].state = LED_BLINK_UP;
+ led_arr[pState->led].pTimer->expires = jiffies + HZ*(pState->param)/1000;
+ led_arr[pState->led].param = pState->param;
+ led_arr[pState->led].pTimer->data = pState;
+ }
+ return;
+}
+
+static void board_led_link_flash(state_entry_t *pState)
+{
+ if(led_on(pState))
+ return;
+ if(led_arr[pState->led].timer_running == 0)
+ add_led_timer(pState);
+ else
+ led_arr[pState->led].param = pState->param;
+ led_arr[pState->led].timer_running = 0xFF;
+ led_arr[pState->led].state = LED_FLASH;
+ return;
+}
+
+static void led_timer_func(unsigned long data)
+{
+ state_entry_t *pState = NULL;
+ mod_entry_t *pMod = NULL;
+ unsigned int flags;
+
+ spin_lock_irqsave(&config_lock, flags);
+
+ pState = (state_entry_t *)data;
+
+ if( led_arr[pState->led].state == LED_BLINK_DOWN )
+ {
+ led_arr[pState->led].timer_running = 0;
+ if( pState->mode == 2 )
+ led_arr[pState->led].state = LED_OFF;
+ else
+ led_arr[pState->led].state = LED_ON;
+ }
+ else if( led_arr[pState->led].state == LED_BLINK_UP )
+ {
+ led_arr[pState->led].pTimer->expires = jiffies + HZ*(led_arr[pState->led].param)/1000;
+ led_arr[pState->led].pTimer->data = pState;
+ add_timer (led_arr[pState->led].pTimer);
+ if( pState->mode == 2 )
+ {
+ led_off(pState);
+ led_arr[pState->led].state = LED_BLINK_DOWN;
+ }
+ else
+ {
+ led_on(pState);
+ led_arr[pState->led].state = LED_BLINK_DOWN;
+ }
+ led_arr[pState->led].timer_running = 1;
+ }
+ else if( led_arr[pState->led].state == LED_FLASH )
+ {
+ led_arr[pState->led].pTimer->expires = jiffies + HZ*(led_arr[pState->led].param)/1000;
+ led_arr[pState->led].pTimer->data = pState;
+ add_timer (led_arr[pState->led].pTimer);
+
+ if( led_arr[pState->led].timer_running == 0xFF )
+ {
+ led_off(pState);
+ led_arr[pState->led].timer_running--;
+ }
+ else
+ {
+ led_on(pState);
+ led_arr[pState->led].timer_running++;
+ }
+ spin_unlock_irqrestore(&config_lock, flags);
+ return;
+ }
+ else if(led_arr[pState->led].state == LED_OFF)
+ {
+ led_off(pState);
+ led_arr[pState->led].timer_running = 0;
+ }
+ else if( led_arr[pState->led].state == LED_ON )
+ {
+ led_on(pState);
+ led_arr[pState->led].timer_running = 0;
+ }
+ spin_unlock_irqrestore(&config_lock, flags);
+ return;
+}
+/************wwzh*****************/
+#if 0
+/************end *****************/
+static ssize_t proc_read_led_fops(struct file *filp,
+ char *buf,size_t count , loff_t *offp)
+{
+ char * pdata = NULL;
+ int i = 0, j = 0, len = 0, totallen = 0;
+ char line[255];
+
+ if( *offp != 0 )
+ return 0;
+
+ pdata = buf;
+ len += sprintf(line,"LEDS Registered for use are:");
+ for( i = 0; i< MAX_LED_ID; i++)
+ if( led_arr[i].led != NULL )
+ len += sprintf(&line[len]," %d ", i );
+ line[len++] = '\n';
+
+ copy_to_user(pdata, line,len );
+ pdata += len;
+ totallen += len;
+ len = 0;
+ len = sprintf(line,"USER MODULE INFORMATION:\n");
+ copy_to_user(pdata, line,len );
+ pdata += len;
+ totallen += len;
+ len = 0;
+ for( i = 0; i< MAX_MOD_ID; i++)
+ {
+ if( modArr[i] != NULL )
+ {
+ len = sprintf(line," Module ID = %d \n" , i);
+ copy_to_user(pdata, line,len );
+ pdata += len;
+ totallen += len;
+ len = 0;
+ for( j = 0; j < MAX_STATE_ID; j++)
+ {
+ if( modArr[i]->states[j] != NULL)
+ {
+ len = sprintf(line ,
+ " State = %d , Led = %d," , j , modArr[i]->states[j]->led);
+ copy_to_user(pdata, line,len );
+ pdata += len;
+ totallen += len;
+
+ len = 0;
+ switch( modArr[i]->states[j]->mode )
+ {
+ case 1:
+ len = sprintf(line ," Mode = OFF\n");
+ break;
+ case 2:
+ len = sprintf(line ," Mode = BLINK_ON , On Time(ms) = %d\n" ,
+ (unsigned int)modArr[i]->states[j]->param);
+ break;
+ case 3:
+ len = sprintf(line ," Mode = BLINK_OFF , Off Time(ms) = %d\n" ,
+ (unsigned int)modArr[i]->states[j]->param);
+ break;
+ case 4:
+ len = sprintf(line ," Mode = ON \n");
+ break;
+ case 5:
+ len = sprintf(line ," Mode = FLASH , Time Period(ms) = %d\n" ,
+ (unsigned int)modArr[i]->states[j]->param);
+ break;
+ default:
+ break;
+
+ }
+ copy_to_user(pdata, line,len );
+ pdata += len;
+ totallen += len;
+
+ len = 0;
+ }
+ }
+ }
+ }
+ /* Return with configuration information for LEDs */
+ *offp = totallen;
+ return totallen;
+}
+static ssize_t proc_write_led_fops(struct file *filp,const char *buffer,
+ size_t count , loff_t *offp)
+{
+ char *pdata = NULL, *ptemp = NULL;
+ char line[10],temp[10];
+ int i = 0;
+ int mod = 0xFFFF , state = 0xFFFF;
+ int flag = 0;
+
+ /* Check if this write is for configuring stuff */
+ if( *(int *)(buffer) == 0xFFEEDDCC )
+ {
+ printk("<1>proc write:Calling Configuration\n");
+ config_led((unsigned long)(buffer + sizeof(int)) );
+ return count;
+ }
+
+ if( count >= 10)
+ {
+ printk("<1>proc write:Input too long,max length = %d\n",10);
+ return count;
+ }
+ memset( temp, 0x00 , 10);
+ memset( line, 0x00 , 10);
+ copy_from_user(line,buffer,count);
+ line[count] = 0x00;
+ pdata = line;
+ ptemp = temp;
+ while( flag == 0)
+ {
+ if( i > 10 )
+ break;
+ if( ((*pdata) >= '0' ) && ((*pdata) <= '9') )
+ {
+ *ptemp = *pdata ;
+ ptemp++;
+ }
+ else if( (*pdata) == ',' )
+ {
+ *ptemp = 0x00;
+ flag = 1;
+ }
+ pdata++;
+ i++;
+ };
+ if( flag == 1)
+ mod = led_atoi( temp);
+ else
+ return count;
+
+ ptemp = temp;
+ *ptemp = 0x00;
+ flag = 0;
+ while( flag == 0)
+ {
+ if( i > 10 )
+ break;
+ if( ((*pdata) >= '0' ) && ((*pdata) <= '9') )
+ {
+ *ptemp = *pdata ;
+ ptemp++;
+ }
+ else if( (*pdata) == 0x00 )
+ {
+ *ptemp = 0x00;
+ flag = 1;
+ }
+ pdata++;
+ i++;
+ };
+ if( flag == 1)
+ state = led_atoi( temp);
+ else
+ return count;
+ if( (mod == 0xFFFF) || (state == 0xFFFF))
+ return count;
+ else
+ led_operation( mod , state );
+ return count;
+}
+
+/************wwzh*******************/
+#else
+
+#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;
+
+void led_operation( int mod , int state)
+{
+
+ unsigned int flags;
+
+ spin_lock_irqsave(&config_lock, flags);
+
+ if( (mod >= MAX_MOD_ID) || ( state >= MAX_STATE_ID) )
+ {
+ spin_unlock_irqrestore(&config_lock, flags);
+ return;
+ }
+ if ( modArr[mod] == NULL )
+ {
+ spin_unlock_irqrestore(&config_lock, flags);
+ return;
+ }
+ if( modArr[mod]->states[state] == NULL )
+ {
+ spin_unlock_irqrestore(&config_lock, flags);
+ return;
+ }
+ /* Call the function handler */
+ modArr[mod]->states[state]->handler(modArr[mod]->states[state]);
+
+ spin_unlock_irqrestore(&config_lock, flags);
+}
+
+static void wan_led_func(unsigned long data)
+{
+ 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);
+}
+//wwzh for wireless
+#if 0
+static void wlan_led_func(unsigned long data)
+{
+ if (wlan_txrx_state == 0)
+ {
+ tnetd73xx_gpio_out(12, TRUE);
+ tnetd73xx_gpio_out(13, FALSE);
+ wlan_txrx_state = 1;
+ }
+ else
+ {
+ tnetd73xx_gpio_out(12, FALSE);
+ tnetd73xx_gpio_out(13, FALSE);
+ wlan_txrx_state = 0;
+
+ }
+ pWlanTimer->expires = jiffies + FLICK_TIME;
+ add_timer(pWlanTimer);
+}
+#endif
+
+void led_active(int mod, int state)
+{
+ unsigned int flags = 0;
+
+//printk("mod = %d state = %d\n", mod, state);
+ spin_lock_irqsave(&config_lock, flags);
+ if ((mod >= 5) || (state >= 5))
+ {
+ spin_unlock_irqrestore(&config_lock, flags);
+ return;
+ }
+
+ switch (mod)
+ {
+ case 2: /*system led */
+ sys_mod_state = state;
+ switch (state)
+ {
+ 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;
+ }
+ break;
+ case 3: /*wan led */
+ wan_mod_state = state;
+ switch (state)
+ {
+ 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;
+ }
+ break;
+ //wwzh for wireless
+ #if 0
+ case 4: /*wlan led */
+ wlan_mod_state = state;
+ switch (state)
+ {
+ case 1: /* wlan off */
+ if (pWlanTimer)
+ {
+ del_timer(pWlanTimer);
+ kfree(pWlanTimer);
+ pWlanTimer = NULL;
+ }
+ tnetd73xx_gpio_out(12, FALSE);
+ tnetd73xx_gpio_out(13, FALSE);
+ break;
+ case 2: /* wlan ready */
+ if (pWlanTimer)
+ {
+ del_timer(pWlanTimer);
+ kfree(pWlanTimer);
+ pWlanTimer = NULL;
+ }
+ tnetd73xx_gpio_out(12, TRUE);
+ tnetd73xx_gpio_out(13, FALSE);
+ break;
+ case 3: /* wlan rx/tx activity */
+ if (pWlanTimer != NULL)
+ break;
+
+ pWlanTimer = kmalloc(sizeof(struct timer_list), GFP_KERNEL);
+ init_timer(pWlanTimer);
+
+ pWlanTimer->function = wlan_led_func;
+ pWlanTimer->data = 0;
+ pWlanTimer->expires = jiffies + FLICK_TIME;
+ tnetd73xx_gpio_out(12, FALSE);
+ tnetd73xx_gpio_out(13, FALSE);
+ wlan_txrx_state = 0;
+ add_timer(pWlanTimer);
+
+ break;
+ default:
+ if (pWlanTimer)
+ {
+ del_timer(pWlanTimer);
+ kfree(pWlanTimer);
+ pWlanTimer = NULL;
+ }
+
+ break;
+ }
+ break;
+ #endif //for wireless
+ default:
+ break;
+ }
+ spin_unlock_irqrestore(&config_lock, flags);
+}
+static ssize_t proc_read_led_fops(struct file *filp,
+ char *buf,size_t count , loff_t *offp)
+{
+ char *pdata = NULL;
+ int i = 0, j = 0, len = 0, totallen = 0;
+ char line[255];
+
+ if (*offp != 0)
+ return 0;
+ pdata = buf;
+ len = sprintf(line, "USER MODULE INFORMATION:\n");
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+
+ //*******add Module 1 , this Module is ADSL ********/
+ for (i = 0; i < MAX_MOD_ID; i++)
+ {
+ if (modArr[i] != NULL)
+ {
+ len = sprintf(line, " Module ID = %d\n", i);
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+ for(j = 0; j < MAX_STATE_ID; j++)
+ {
+ if (modArr[i]->states[j] != NULL)
+ {
+ len = sprintf(line, "State =%d, Led = %d,", j, modArr[i]->states[j]->led);
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+ switch(modArr[i]->states[j]->mode)
+ {
+ case 1:
+ len = sprintf(line, "Mode = OFF\n");
+ break;
+ case 2:
+ len = sprintf(line, "Mode = BLINK_ON, On Time(ms) = %d\n", (unsigned int)modArr[i]->states[j]->param);
+ break;
+ case 3:
+ len = sprintf(line, "Mode = BLINK_OFF, Off Time(ms) = %d\n", (unsigned int)modArr[i]->states[j]->param);
+ break;
+ case 4:
+ len = sprintf(line, "Mode = On\n");
+ break;
+ case 5:
+ len = sprintf(line, "Mode = FLASH, Time Period(ms) = %d\n", (unsigned int)modArr[i]->states[j]->param);
+ break;
+ default:
+ break;
+ }
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+ }
+ }
+ }
+
+ }
+
+ len = sprintf(line, "Module ID = 2(system led)\n");
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+ switch(sys_mod_state)
+ {
+ case 1:
+ len = sprintf(line, "State = OFF\n");
+ break;
+ case 2:
+ len = sprintf(line, "State = Booting\n");
+ break;
+ case 3:
+ len = sprintf(line, "State = System Ready\n");
+ break;
+ case 4:
+ len = sprintf(line, "State = System Failure\n");
+ break;
+ default:
+ break;
+ }
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+
+ len = sprintf(line, "Module ID = 3(WAN led)\n");
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+ switch(wan_mod_state)
+ {
+ case 1:
+ len = sprintf(line, "State = OFF\n");
+ break;
+ case 2:
+ len = sprintf(line, "State = Wan Connected\n");
+ break;
+ case 3:
+ len = sprintf(line, "State = Wan Tx/Rx Activity\n");
+ break;
+ case 4:
+ len = sprintf(line, "State = Wan Connect Failure\n");
+ break;
+ default:
+ break;
+ }
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+
+//wwzh for wireless
+#if 0
+ len = sprintf(line, "Module ID = 4(WLAN led)\n");
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+ switch(wlan_mod_state)
+ {
+ case 1:
+ len = sprintf(line, "State = OFF\n");
+ break;
+ case 2:
+ len = sprintf(line, "State = wlan Ready\n");
+ break;
+ case 3:
+ len = sprintf(line, "State = wlan rx/tx activity\n");
+ break;
+ default:
+ break;
+ }
+ copy_to_user(pdata, line, len);
+ pdata += len;
+ totallen += len;
+ len = 0;
+#endif //for wireless
+
+ *offp = totallen;
+ return totallen;
+}
+static ssize_t proc_write_led_fops(struct file *filp,const char *buffer,
+ size_t count , loff_t *offp)
+{
+ char *pdata = NULL, *ptemp = NULL;
+ char line[10], temp[10];
+ int i = 0;
+ int mod = 0xffff, state = 0xffff;
+ int flag = 0;
+
+ /* Check if this write is for configuring ADSL */
+ if( *(int *)(buffer) == 0xFFEEDDCC )
+ {
+ printk("<1>proc write:Calling Configuration\n");
+ config_led((unsigned long)(buffer + sizeof(int)) );
+ return count;
+ }
+
+ if (count > 10)
+ {
+ printk("<1> proc write: Input too long, max length = 10\n");
+ return count;
+ }
+ memset(temp, 0x00, 10);
+ memset(line, 0x00, 10);
+ copy_from_user(line, buffer, count);
+ line[count] = 0x00;
+ pdata = line;
+ ptemp = temp;
+
+ while (flag == 0)
+ {
+ if (i > 10)
+ break;
+ if (((*pdata) >= '0') && ((*pdata) <= '9'))
+ {
+ *ptemp = *pdata;
+ ptemp++;
+ }
+ else if ((*pdata) == ',')
+ {
+ *ptemp = 0x00;
+ flag = 1;
+ }
+ pdata++;
+ i++;
+ }
+ if (flag == 1)
+ mod = led_atoi(temp);
+ else
+ return count;
+
+ ptemp = temp;
+ *ptemp = 0x00;
+ flag = 0;
+
+ while(flag == 0)
+ {
+ if (i > 10)
+ break;
+ if (((*pdata) >= '0') && ((*pdata) <= '9'))
+ {
+ *ptemp = *pdata;
+ ptemp++;
+ }
+ else if ((*pdata) == 0x00)
+ {
+ *ptemp = 0x00;
+ flag = 1;
+ }
+ pdata++;
+ i++;
+ }
+ if (flag == 1)
+ state = led_atoi(temp);
+ else
+ return count;
+ if ((mod == 0xFFFF) || (state == 0xFFFF))
+ return count;
+ else
+ {
+ if (mod != 4)
+ led_active(mod, state);
+ else
+ led_operation(mod, state);
+ }
+ return 1;
+}
+#endif
+/************end *******************/
+static int config_led(unsigned long y)
+{
+ config_elem_t *pcfg = NULL;
+ char *pdata = NULL;
+ int i;
+ int length = 0 , number = 0;
+ unsigned int flags;
+
+ spin_lock_irqsave(&config_lock, flags);
+
+ /* ioctl to configure */
+ length = *((int*)y);
+ pdata = (char *)y + sizeof(int);
+ number = (length - sizeof(int))/sizeof(config_elem_t);
+ pcfg = (config_elem_t *)(pdata);
+
+ /* Check if an earlier configuration exists IF yes free it up */
+ free_memory();
+
+ for ( i = 0 ; i < number ; i++ )
+ {
+ /* If no structure has been allocated for the module do so */
+ if ( modArr[pcfg->name] == NULL )
+ {
+ printk("<1>module = %d\n",pcfg->name);
+ if( pcfg->name >= MAX_MOD_ID)
+ {
+ printk("<1>Exiting Configuration: Module ID too large %d\n",pcfg->name);
+ free_memory();
+ spin_unlock_irqrestore(&config_lock, flags);
+ return -1;
+ }
+ modArr[pcfg->name] = kmalloc(sizeof(mod_entry_t),GFP_KERNEL);
+ if(modArr[pcfg->name] == NULL)
+ {
+ printk("<1>Exiting Configuration: Error in allocating memory\n");
+ free_memory();
+ spin_unlock_irqrestore(&config_lock, flags);
+ return -1;
+ }
+ memset( modArr[pcfg->name], 0x00, sizeof(mod_entry_t));
+ }
+
+ /* if no structure is allocated previously for this state
+ allocate a structure, if it's already there fill it up */
+ if( modArr[pcfg->name]->states[pcfg->state] == NULL)
+ {
+ printk("<1>STATE = %d\n",pcfg->state);
+ if( pcfg->state >= MAX_STATE_ID)
+ {
+ printk("<1>Exiting Configuration: State ID too large\n");
+ free_memory();
+ spin_unlock_irqrestore(&config_lock, flags);
+ return -1;
+ }
+ modArr[pcfg->name]->states[pcfg->state] =
+ kmalloc(sizeof(state_entry_t),GFP_KERNEL);
+ if( modArr[pcfg->name]->states[pcfg->state] == NULL)
+ {
+ free_memory();
+ spin_unlock_irqrestore(&config_lock, flags);
+ return -1;
+ }
+ memset( modArr[pcfg->name]->states[pcfg->state], 0x00, sizeof(state_entry_t));
+ }
+ /* Fill up the fields of the state */
+ if( pcfg->led >= MAX_LED_ID)
+ {
+ printk("<1>led = %d\n",pcfg->led);
+ free_memory();
+ spin_unlock_irqrestore(&config_lock, flags);
+ return -1;
+ }
+ modArr[pcfg->name]->states[pcfg->state]->led = pcfg->led;
+ modArr[pcfg->name]->states[pcfg->state]->mode = pcfg->mode;
+ modArr[pcfg->name]->states[pcfg->state]->param = pcfg->param;
+ switch(pcfg->mode)
+ {
+ case 1:
+ modArr[pcfg->name]->states[pcfg->state]->handler = board_led_link_down;
+ break;
+ case 2:
+ case 3:
+ case 5:
+ if( pcfg->mode == 2 )
+ modArr[pcfg->name]->states[pcfg->state]->handler = board_led_activity_on;
+ else if( pcfg->mode == 3)
+ modArr[pcfg->name]->states[pcfg->state]->handler = board_led_activity_off;
+ else
+ modArr[pcfg->name]->states[pcfg->state]->handler = board_led_link_flash;
+ break;
+ case 4:
+ modArr[pcfg->name]->states[pcfg->state]->handler = board_led_link_up;
+ break;
+ default:
+ printk("<1>Exiting Configuration: Unknown LED Mode\n");
+ free_memory();
+ spin_unlock_irqrestore(&config_lock, flags);
+ return -1;
+ }
+ pcfg++;
+ }
+ spin_unlock_irqrestore(&config_lock, flags);
+ return 0;
+}
+
+
+int __init led_init(void)
+{
+
+ /* Clear our memory */
+ memset(modArr,0x00,sizeof(mod_entry_t *)*MAX_MOD_ID);
+ memset(led_arr,0x00,sizeof(led_data_t *)*MAX_LED_ID);
+
+ /* Create spin lock for config data structure */
+ config_lock=SPIN_LOCK_UNLOCKED;
+
+ /* Create directory */
+ led_proc_dir = proc_mkdir("led", NULL);
+ if( led_proc_dir == NULL )
+ goto out;
+
+ /* Create adsl file */
+ led_file = create_proc_entry("led", 0777, led_proc_dir);
+ if( led_file == NULL)
+ goto led_file;
+ led_file->owner = THIS_MODULE;
+ led_file->proc_fops = &led_fops;
+
+ memset( modArr , 0x00 , sizeof(mod_entry_t *) * MAX_MOD_ID);
+ /* Reset the GPIO pins */
+ board_gpio_init();
+
+ /* Register the UART controlled LEDS */
+ uart_led_init();
+ /* Create the usb proc file */
+ avalanche_leds_init();
+ return 0;
+
+ led_file:
+ remove_proc_entry("led",led_proc_dir);
+ out:
+ return 0;
+
+}
+
+void led_exit()
+{
+ remove_proc_entry("led", led_proc_dir);
+}
+
+module_init(led_init);
+module_exit(led_exit);
+
+void register_led_drv( int device , led_reg_t *pInfo)
+{
+ unsigned int flags;
+ struct timer_list *pTimer = NULL;
+
+ spin_lock_irqsave(&config_lock, flags);
+
+ led_arr[device].led = pInfo;
+ if( led_arr[device].led->init != 0x00)
+ led_arr[device].led->init(led_arr[device].led->param);
+ if( led_arr[device].led->offfunc != 0x00)
+ led_arr[device].led->offfunc(led_arr[device].led->param);
+
+ /* Create a timer for blinking */
+ pTimer = kmalloc(sizeof(struct timer_list),GFP_KERNEL);
+ init_timer( pTimer );
+ pTimer->function = led_timer_func;
+ pTimer->data = 0;
+ led_arr[device].pTimer = pTimer;
+ led_arr[device].timer_running = 0;
+
+ spin_unlock_irqrestore(&config_lock, flags);
+
+ return;
+}
+
+void deregister_led_drv( int device)
+{
+ unsigned int flags;
+
+ spin_lock_irqsave(&config_lock, flags);
+ led_arr[device].led = NULL;
+
+ if( led_arr[device].pTimer != NULL)
+ {
+ del_timer(led_arr[device].pTimer);
+ kfree(led_arr[device].pTimer);
+ }
+ spin_unlock_irqrestore(&config_lock, flags);
+
+ return;
+}
+
+EXPORT_SYMBOL_NOVERS(led_operation);
+EXPORT_SYMBOL_NOVERS(register_led_drv);
+EXPORT_SYMBOL_NOVERS(deregister_led_drv);
+
diff -urN linux.old/drivers/char/avalanche_led/leds.c linux.dev/drivers/char/avalanche_led/leds.c
--- linux.old/drivers/char/avalanche_led/leds.c 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/char/avalanche_led/leds.c 2005-07-22 06:52:42.976338184 +0200
@@ -0,0 +1,133 @@
+#include <linux/config.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <asm/ar7/avalanche_regs.h>
+#include <linux/spinlock.h>
+#include <linux/timer.h>
+#include <linux/sched.h>
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <asm/uaccess.h>
+#include <linux/fs.h>
+
+#include <asm/ar7/ledapp.h>
+
+#if defined(CONFIG_AR5D01) || defined(CONFIG_AR5W01) || defined(CONFIG_AR7)
+
+#define ETH_MASK 0x01
+#define USB_MASK 0x02
+
+static struct proc_dir_entry *usb_file;
+static ssize_t proc_read_usb_fops(struct file *filp,
+ char *buf,size_t count , loff_t *offp);
+struct file_operations usb_fops = {read: proc_read_usb_fops};
+
+typedef struct mod_states{
+ int module;
+ int activity;
+ int linkup;
+ int idle;
+}mod_states_t;
+
+mod_states_t state_arr[] = {
+ { MOD_ETH,DEF_ETH_ACTIVITY,DEF_ETH_LINK_UP,DEF_ETH_IDLE },
+ { MOD_USB,DEF_USB_ACTIVITY,DEF_USB_LINK_UP,DEF_USB_IDLE },
+ { MOD_LAN,DEF_LAN_ACTIVITY,DEF_LAN_LINK_UP,DEF_LAN_IDLE }
+ };
+
+unsigned char device_links = 0; /* Bitmask with the devices that are up */
+
+
+void avalanche_led_activity_pulse(unsigned long device)
+{
+ /* If device link is not up return */
+ if( !(device_links & (unsigned char)(1 << device)))
+ return;
+#ifdef MULTIPLEX_LED
+ led_operation( state_arr[2].module, state_arr[2].activity);
+#else
+ led_operation( state_arr[device].module, state_arr[device].activity);
+#endif
+}
+
+void avalanche_led_link_up( unsigned long device )
+{
+
+ /* If already UP ignore */
+ if( device_links & (unsigned char)(1 << device))
+ return;
+ /* Turn on the bit for the device */
+ device_links |= (unsigned char)(1 << device);
+#ifdef MULTIPLEX_LED
+ led_operation( state_arr[2].module, state_arr[2].linkup);
+#else
+ led_operation( state_arr[device].module, state_arr[device].linkup);
+#endif
+}
+
+void avalanche_led_link_down ( unsigned long device )
+{
+
+ /* If already DOWN ignore */
+ if( !(device_links & (unsigned char)(1 << device)))
+ return;
+
+ /* Turn off the bit for the device */
+ device_links &= ~(unsigned char)(1 << device);
+#ifdef MULTIPLEX_LED
+ /* If no links, then shut the LED off */
+ if(!device_links)
+ led_operation( state_arr[2].module, state_arr[2].idle);
+#else
+ led_operation( state_arr[device].module, state_arr[device].idle);
+#endif
+}
+
+static ssize_t proc_read_usb_fops(struct file *filp,
+ char *buf,size_t count , loff_t *offp)
+{
+ char * pdata = NULL;
+ char line[3];
+ if( *offp != 0 )
+ return 0;
+ pdata = buf;
+ if( device_links & USB_MASK)
+ sprintf(line,"%s\n","1");
+ else
+ sprintf(line,"%s\n","0");
+ copy_to_user(pdata,line,2);
+ *offp = 2;
+ return 2;
+}
+
+
+void avalanche_leds_init(void)
+{
+ /* Create usb link proc file */
+ usb_file = create_proc_entry("avalanche/usb_link", 0444, NULL);
+ if( usb_file == NULL)
+ return;
+ usb_file->owner = THIS_MODULE;
+ usb_file->proc_fops = &usb_fops;
+ return;
+}
+
+EXPORT_SYMBOL(avalanche_led_activity_pulse);
+EXPORT_SYMBOL(avalanche_led_link_up);
+EXPORT_SYMBOL(avalanche_led_link_down);
+
+#else
+/* We make a dummy init routine for the platforms that do not support this led
+ API
+*/
+
+void avalanche_leds_init(void)
+{
+}
+
+#endif
+
+
+
+
+
diff -urN linux.old/drivers/char/avalanche_led/Makefile linux.dev/drivers/char/avalanche_led/Makefile
--- linux.old/drivers/char/avalanche_led/Makefile 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/char/avalanche_led/Makefile 2005-07-22 06:52:42.977338032 +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 := ledmod.o leds.o
+
+avalanche_led-objs := ledmod.o gpio.o uartled.o leds.o
+
+include $(TOPDIR)/Rules.make
+
+avalanche_led.o: $(avalanche_led-objs)
+ $(LD) -r -o $@ $(avalanche_led-objs)
+
+clean:
+ rm -f core *.o *.a *.s
diff -urN linux.old/drivers/char/avalanche_led/uartled.c linux.dev/drivers/char/avalanche_led/uartled.c
--- linux.old/drivers/char/avalanche_led/uartled.c 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/drivers/char/avalanche_led/uartled.c 2005-07-22 06:52:42.977338032 +0200
@@ -0,0 +1,55 @@
+#include <linux/kernel.h>
+#include <asm/uaccess.h>
+#include <linux/spinlock.h>
+#include <asm/ar7/avalanche_regs.h>
+#include <asm/ar7/ledapp.h>
+
+#define UART_LED_REG (*(volatile unsigned int *)(UARTA_BASE + 0x10))
+
+static spinlock_t device_lock;
+led_reg_t temp1[2];
+
+static void uart_led_on(unsigned long param)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&device_lock,flags);
+ UART_LED_REG &= 0xFFFD;
+ spin_unlock_irqrestore(&device_lock, flags);
+}
+
+static void uart_led_off ( unsigned long param )
+{
+ unsigned int flags = 0x00;
+ spin_lock_irqsave(&device_lock, flags);
+ UART_LED_REG |= 0x02;
+ spin_unlock_irqrestore(&device_lock, flags);
+}
+
+void uart_led_init(void)
+{
+
+#if defined(CONFIG_AR5D01)
+ /* Register led 6 UART Pin 1 */
+ temp1[0].param = 0;
+ temp1[0].init = NULL;
+ temp1[0].onfunc = uart_led_on;
+ temp1[0].offfunc = uart_led_off;
+ register_led_drv( 6 , &temp1[0]);
+#endif
+
+#if defined(CONFIG_AR5W01)
+ /* Register led 8 UART Pin 1 */
+ temp1[0].param = 0;
+ temp1[0].init = NULL;
+ temp1[0].onfunc = uart_led_on;
+ temp1[0].offfunc = uart_led_off;
+ register_led_drv( 8 , &temp1[0]);
+#endif
+
+ /* Initialize the link mask */
+ device_lock = SPIN_LOCK_UNLOCKED;
+
+ return;
+}
+
diff -urN linux.old/drivers/char/Config.in linux.dev/drivers/char/Config.in
--- linux.old/drivers/char/Config.in 2005-07-10 20:53:55.650624000 +0200
+++ linux.dev/drivers/char/Config.in 2005-07-22 06:52:58.716945248 +0200
@@ -133,6 +133,10 @@
fi
fi
fi
+if [ "$CONFIG_AR7" = "y" ]; then
+ bool 'Enable LED support' CONFIG_AR7_LED
+fi
+
if [ "$CONFIG_EXPERIMENTAL" = "y" -a "$CONFIG_ZORRO" = "y" ]; then
tristate 'Commodore A2232 serial support (EXPERIMENTAL)' CONFIG_A2232
fi
diff -urN linux.old/drivers/char/Makefile linux.dev/drivers/char/Makefile
--- linux.old/drivers/char/Makefile 2005-07-10 20:53:55.651623000 +0200
+++ linux.dev/drivers/char/Makefile 2005-07-22 06:53:35.321380528 +0200
@@ -190,6 +190,12 @@
obj-$(CONFIG_PCI) += keyboard.o $(KEYMAP)
endif
+#
+# Texas Intruments LED driver
+#
+obj-$(CONFIG_AR7_LED) += avalanche_led/avalanche_led.o
+subdir-$(CONFIG_AR7_LED) += avalanche_led
+
obj-$(CONFIG_HIL) += hp_keyb.o
obj-$(CONFIG_MAGIC_SYSRQ) += sysrq.o
obj-$(CONFIG_ATARI_DSP56K) += dsp56k.o
diff -urN linux.old/include/asm-mips/ar7/ledapp.h linux.dev/include/asm-mips/ar7/ledapp.h
--- linux.old/include/asm-mips/ar7/ledapp.h 1970-01-01 01:00:00.000000000 +0100
+++ linux.dev/include/asm-mips/ar7/ledapp.h 2005-07-22 06:52:42.982337272 +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
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