#include <linux/errno.h>
#include <asm/danube/danube.h>
#include <asm/danube/danube_gpio.h>
-#include <asm/danube/danube_gptu.h>
#define LED_CONFIG 0x01
#define CONFIG_OPERATION_MIPS0_ACCESS 0x0100
#define CONFIG_DATA_CLOCK_EDGE 0x0200
-
-/*
-* Data Type Used to Call ioctl
-*/
-struct led_config_param {
- unsigned long operation_mask; // Select operations to be performed
- unsigned long led; // LED to change update source (LED or ADSL)
- unsigned long source; // Corresponding update source (LED or ADSL)
- unsigned long blink_mask; // LEDs to set blink mode
- unsigned long blink; // Set to blink mode or normal mode
- unsigned long update_clock; // Select the source of update clock
- unsigned long fpid; // If FPI is the source of update clock, set the divider
- // else if GPT is the source, set the frequency
- unsigned long store_mode; // Set clock mode or single pulse mode for store signal
- unsigned long fpis; // FPI is the source of shift clock, set the divider
- unsigned long data_offset; // Set cycles to be inserted before data is transmitted
- unsigned long number_of_enabled_led; // Total number of LED to be enabled
- unsigned long data_mask; // LEDs to set value
- unsigned long data; // Corresponding value
- unsigned long mips0_access_mask; // LEDs to set access right
- unsigned long mips0_access; // 1: the corresponding data is output from MIPS0, 0: MIPS1
- unsigned long f_data_clock_on_rising; // 1: data clock on rising edge, 0: data clock on falling edge
-};
-
-
-extern int danube_led_set_blink(unsigned int, unsigned int);
-extern int danube_led_set_data(unsigned int, unsigned int);
-extern int danube_led_config(struct led_config_param *);
-
-#define DATA_CLOCKING_EDGE FALLING_EDGE
-#define RISING_EDGE 0
-#define FALLING_EDGE 1
+#define DANUBE_LED_CLK_EDGE DANUBE_LED_FALLING
+//#define DANUBE_LED_CLK_EDGE DANUBE_LED_RISING
#define LED_SH_PORT 0
#define LED_SH_PIN 4
#define SET_BITS(x, msb, lsb, value) (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
-static struct semaphore led_sem;
-
-static unsigned long gpt_on = 0;
-static unsigned long gpt_freq = 0;
-
-static unsigned long adsl_on = 0;
-static unsigned long f_led_on = 0;
-
-static inline int
-update_led (void)
-{
- int i, j;
-
- /*
- * GPT2 or FPID is the clock to update LEDs automatically.
- */
- if (readl(DANUBE_LED_CON1) >> 30)
- return 0;
-
- /*
- * Check the status to prevent conflict of two consecutive update
- */
- for ( i = 100000; i != 0; i -= j / 16 )
- {
- down(&led_sem);
- if (!(readl(DANUBE_LED_CON0) & LED_CON0_SWU))
- {
- *DANUBE_LED_CON0 |= 1 << 31;
- up(&led_sem);
- return 0;
- }
- else
- up(&led_sem);
- for ( j = 0; j < 1000 * 16; j++ );
- }
-
- return -EBUSY;
-}
-
-static inline unsigned int
-set_update_source (unsigned int reg, unsigned long led, unsigned long source)
-{
- return (reg & ~((led & 0x03) << 24)) | ((source & 0x03) << 24);
-}
-
-static inline unsigned int
-set_blink_in_batch (unsigned int reg, unsigned long mask, unsigned long blink)
-{
- return (reg & (~(mask & 0x00FFFFFF) & 0x87FFFFFF)) | (blink & 0x00FFFFFF);
-}
-
-static inline unsigned int
-set_data_clock_edge (unsigned int reg, unsigned long f_on_rising_edge)
-{
- return f_on_rising_edge ? (reg & ~(1 << 26)) : (reg | (1 << 26));
-}
-
-static inline unsigned int
-set_update_clock (unsigned int reg, unsigned long clock, unsigned long fpid)
-{
- switch ( clock )
- {
- case 0:
- reg &= ~0xC0000000;
- break;
-
- case 1:
- reg = (reg & ~0xC0000000) | 0x40000000;
- break;
-
- case 2:
- reg = (reg & ~0xCF800000) | 0x80000000 | ((fpid & 0x1F) << 23);
- break;
- }
+static int danube_led_major;
- return reg;
-}
-
-static inline unsigned int
-set_store_mode (unsigned int reg, unsigned long mode)
-{
- return mode ? (reg | (1 << 28)) : (reg & ~(1 << 28));
-}
-
-static inline
-unsigned int set_shift_clock (unsigned int reg, unsigned long fpis)
+static int
+danube_led_setup_gpio (void)
{
- return SET_BITS(reg, 21, 20, fpis);
+ /*
+ * Set LED_ST
+ * I don't check the return value, because I'm sure the value is valid
+ * and the pins are reserved already.
+ */
+ LED_ST_ALTSEL0_SETUP(LED_ST_PORT, LED_ST_PIN);
+ LED_ST_ALTSEL1_SETUP(LED_ST_PORT, LED_ST_PIN);
+ LED_ST_DIR_SETUP(LED_ST_PORT, LED_ST_PIN);
+ LED_ST_OPENDRAIN_SETUP(LED_ST_PORT, LED_ST_PIN);
+
+ /*
+ * Set LED_D
+ */
+ LED_D_ALTSEL0_SETUP(LED_D_PORT, LED_D_PIN);
+ LED_D_ALTSEL1_SETUP(LED_D_PORT, LED_D_PIN);
+ LED_D_DIR_SETUP(LED_D_PORT, LED_D_PIN);
+ LED_D_OPENDRAIN_SETUP(LED_D_PORT, LED_D_PIN);
+
+ /*
+ * Set LED_SH
+ */
+ LED_SH_ALTSEL0_SETUP(LED_SH_PORT, LED_SH_PIN);
+ LED_SH_ALTSEL1_SETUP(LED_SH_PORT, LED_SH_PIN);
+ LED_SH_DIR_SETUP(LED_SH_PORT, LED_SH_PIN);
+ LED_SH_OPENDRAIN_SETUP(LED_SH_PORT, LED_SH_PIN);
+
+ return 0;
}
-static inline
-unsigned int set_data_offset (unsigned int reg, unsigned long offset)
+static void
+danube_led_enable (void)
{
- return SET_BITS(reg, 19, 18, offset);
-}
+ int err = 1000000;
-static inline
-unsigned int set_number_of_enabled_led (unsigned int reg, unsigned long number)
-{
- unsigned int bit_mask;
+ writel(readl(DANUBE_PMU_PWDCR) & ~DANUBE_PMU_PWDCR_LED, DANUBE_PMU_PWDCR);
+ while (--err && (readl(DANUBE_PMU_PWDSR) & DANUBE_PMU_PWDCR_LED)) {}
- bit_mask = number > 16 ? 0x07 : (number > 8 ? 0x03 : (number ? 0x01 : 0x00));
- return (reg & ~0x07) | bit_mask;
-}
-
-static inline unsigned int
-set_data_in_batch (unsigned int reg, unsigned long mask, unsigned long data)
-{
- return (reg & ~(mask & 0x00FFFFFF)) | (data & 0x00FFFFFF);
-}
-
-static inline unsigned int
-set_access_right (unsigned int reg, unsigned long mask, unsigned long ar)
-{
- return (reg & ~(mask & 0x00FFFFFF)) | (~ar & mask);
+ if (!err)
+ panic("Activating LED in PMU failed!");
}
static inline void
-enable_led (void)
+danube_led_disable (void)
{
- /* Activate LED module in PMU. */
- int i = 1000000;
-
- writel(readl(DANUBE_PMU_PWDCR) & ~DANUBE_PMU_PWDCR_LED, DANUBE_PMU_PWDCR);
- while (--i && (readl(DANUBE_PMU_PWDSR) & DANUBE_PMU_PWDCR_LED)) {}
-
- if (!i)
- panic("Activating LED in PMU failed!");
+ writel(readl(DANUBE_PMU_PWDCR) | DANUBE_PMU_PWDCR_LED, DANUBE_PMU_PWDCR);
}
-static inline void
-disable_led (void)
+static int
+led_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
{
- writel(readl(DANUBE_PMU_PWDCR) | DANUBE_PMU_PWDCR_LED, DANUBE_PMU_PWDCR);
-}
+ int ret = -EINVAL;
-static inline void
-release_gpio_port (unsigned long adsl)
-{
- if ( adsl )
- {
- danube_port_free_pin(LED_ADSL0_PORT, LED_ADSL0_PIN);
- danube_port_free_pin(LED_ADSL1_PORT, LED_ADSL1_PIN);
- }
- else
- {
- danube_port_free_pin(LED_ST_PORT, LED_ST_PIN);
- danube_port_free_pin(LED_D_PORT, LED_D_PIN);
- danube_port_free_pin(LED_SH_PORT, LED_SH_PIN);
- }
-}
+ switch ( cmd )
+ {
+ case LED_CONFIG:
+ break;
+ }
-static inline int
-setup_gpio_port (unsigned long adsl)
-{
- int ret = 0;
-
- /*
- * Reserve all pins before config them.
- */
- if ( adsl )
- {
- ret |= danube_port_reserve_pin(LED_ADSL0_PORT, LED_ADSL0_PIN);
- ret |= danube_port_reserve_pin(LED_ADSL1_PORT, LED_ADSL1_PIN);
- }
- else
- {
- ret |= danube_port_reserve_pin(LED_ST_PORT, LED_ST_PIN);
- ret |= danube_port_reserve_pin(LED_D_PORT, LED_D_PIN);
- ret |= danube_port_reserve_pin(LED_SH_PORT, LED_SH_PIN);
- }
- if ( ret )
- {
- release_gpio_port(adsl);
- return ret; // Should be -EBUSY
- }
-
- if ( adsl )
- {
- LED_ADSL0_ALTSEL0_SETUP(LED_ADSL0_PORT, LED_ADSL0_PIN);
- LED_ADSL0_ALTSEL1_SETUP(LED_ADSL0_PORT, LED_ADSL0_PIN);
- LED_ADSL0_DIR_SETUP(LED_ADSL0_PORT, LED_ADSL0_PIN);
- LED_ADSL0_OPENDRAIN_SETUP(LED_ADSL0_PORT, LED_ADSL0_PIN);
-
- LED_ADSL1_ALTSEL0_SETUP(LED_ADSL1_PORT, LED_ADSL1_PIN);
- LED_ADSL1_ALTSEL1_SETUP(LED_ADSL1_PORT, LED_ADSL1_PIN);
- LED_ADSL1_DIR_SETUP(LED_ADSL1_PORT, LED_ADSL1_PIN);
- LED_ADSL1_OPENDRAIN_SETUP(LED_ADSL1_PORT, LED_ADSL1_PIN);
- }
- else
- {
- /*
- * Set LED_ST
- * I don't check the return value, because I'm sure the value is valid
- * and the pins are reserved already.
- */
- LED_ST_ALTSEL0_SETUP(LED_ST_PORT, LED_ST_PIN);
- LED_ST_ALTSEL1_SETUP(LED_ST_PORT, LED_ST_PIN);
- LED_ST_DIR_SETUP(LED_ST_PORT, LED_ST_PIN);
- LED_ST_OPENDRAIN_SETUP(LED_ST_PORT, LED_ST_PIN);
-
- /*
- * Set LED_D
- */
- LED_D_ALTSEL0_SETUP(LED_D_PORT, LED_D_PIN);
- LED_D_ALTSEL1_SETUP(LED_D_PORT, LED_D_PIN);
- LED_D_DIR_SETUP(LED_D_PORT, LED_D_PIN);
- LED_D_OPENDRAIN_SETUP(LED_D_PORT, LED_D_PIN);
-
- /*
- * Set LED_SH
- */
- LED_SH_ALTSEL0_SETUP(LED_SH_PORT, LED_SH_PIN);
- LED_SH_ALTSEL1_SETUP(LED_SH_PORT, LED_SH_PIN);
- LED_SH_DIR_SETUP(LED_SH_PORT, LED_SH_PIN);
- LED_SH_OPENDRAIN_SETUP(LED_SH_PORT, LED_SH_PIN);
- }
-
- return 0;
+ return ret;
}
-static inline int
-setup_gpt (int timer, unsigned long freq)
+static int
+led_open (struct inode *inode, struct file *file)
{
- int ret;
-
- timer = TIMER(timer, 1);
-
- ret = request_timer(timer,
- TIMER_FLAG_SYNC
- | TIMER_FLAG_16BIT
- | TIMER_FLAG_INT_SRC
- | TIMER_FLAG_CYCLIC | TIMER_FLAG_COUNTER | TIMER_FLAG_DOWN
- | TIMER_FLAG_ANY_EDGE
- | TIMER_FLAG_NO_HANDLE,
- 8000000 / freq,
- 0,
- 0);
-
- if ( !ret )
- {
- ret = start_timer(timer, 0);
- if ( ret )
- free_timer(timer);
- }
-
- return ret;
+ return 0;
}
-static inline void
-release_gpt (int timer)
+static int
+led_release (struct inode *inode, struct file *file)
{
- timer = TIMER(timer, 1);
- stop_timer(timer);
- free_timer(timer);
+ return 0;
}
-static inline int
-turn_on_led (unsigned long adsl)
-{
- int ret;
+static struct file_operations danube_led_fops = {
+ .owner = THIS_MODULE,
+ .ioctl = led_ioctl,
+ .open = led_open,
+ .release = led_release
+};
- ret = setup_gpio_port(adsl);
- if ( ret )
- return ret;
- enable_led();
+/*
+Map for LED on reference board
+ WLAN_READ LED11 OUT1 15
+ WARNING LED12 OUT2 14
+ FXS1_LINK LED13 OUT3 13
+ FXS2_LINK LED14 OUT4 12
+ FXO_ACT LED15 OUT5 11
+ USB_LINK LED16 OUT6 10
+ ADSL2_LINK LED19 OUT7 9
+ BT_LINK LED17 OUT8 8
+ SD_LINK LED20 OUT9 7
+ ADSL2_TRAFFIC LED31 OUT16 0
+Map for hardware relay on reference board
+ USB Power On OUT11 5
+ RELAY OUT12 4
+*/
- return 0;
-}
-static inline void
-turn_off_led (unsigned long adsl)
+int __init
+danube_led_init (void)
{
- release_gpio_port(adsl);
- disable_led();
-}
+ int ret = 0;
+ danube_led_setup_gpio();
-int
-danube_led_set_blink (unsigned int led, unsigned int blink)
-{
- unsigned int bit_mask;
+ writel(0, DANUBE_LED_AR);
+ writel(0xff00, DANUBE_LED_CPU0);
+ writel(0, DANUBE_LED_CPU1);
+ writel(0x8000ffff, DANUBE_LED_CON0);
- if ( led > 23 )
- return -EINVAL;
+ /* setup the clock edge that the shift register is triggered on */
+ writel(readl(DANUBE_LED_CON0) & ~DANUBE_LED_EDGE_MASK, DANUBE_LED_CON0);
+ writel(readl(DANUBE_LED_CON0) | DANUBE_LED_CLK_EDGE, DANUBE_LED_CON0);
- bit_mask = 1 << led;
- down(&led_sem);
- if ( blink )
- *DANUBE_LED_CON0 |= bit_mask;
- else
- *DANUBE_LED_CON0 &= ~bit_mask;
- up(&led_sem);
+ /* per default leds 15-0 are set */
+ writel(DANUBE_LED_GROUP1 | DANUBE_LED_GROUP0, DANUBE_LED_CON1);
- return (led == 0 && (readl(DANUBE_LED_CON0) & LED_CON0_AD0)) || (led == 1 && (readl(DANUBE_LED_CON0) & LED_CON0_AD1)) ? -EINVAL : 0;
-}
+ /* leds are update periodically by the FPID */
+ writel(readl(DANUBE_LED_CON1) & ~DANUBE_LED_UPD_MASK, DANUBE_LED_CON1);
+ writel(readl(DANUBE_LED_CON1) | DANUBE_LED_UPD_SRC_FPI, DANUBE_LED_CON1);
-int
-danube_led_set_data (unsigned int led, unsigned int data)
-{
- unsigned long f_update;
- unsigned int bit_mask;
-
- if ( led > 23 )
- return -EINVAL;
-
- bit_mask = 1 << led;
- down(&led_sem);
- if ( data )
- *DANUBE_LED_CPU0 |= bit_mask;
- else
- *DANUBE_LED_CPU0 &= ~bit_mask;
- f_update = !(*DANUBE_LED_AR & bit_mask);
- up(&led_sem);
-
- return f_update ? update_led() : 0;
-}
+ /* set led update speed */
+ writel(readl(DANUBE_LED_CON1) & ~DANUBE_LED_MASK, DANUBE_LED_CON1);
+ writel(readl(DANUBE_LED_CON1) | DANUBE_LED_8HZ, DANUBE_LED_CON1);
-int
-danube_led_config (struct led_config_param* param)
-{
- int ret;
- unsigned int reg_con0, reg_con1, reg_cpu0, reg_ar;
- unsigned int clean_reg_con0, clean_reg_con1, clean_reg_cpu0, clean_reg_ar;
- unsigned int f_setup_gpt2;
- unsigned int f_software_update;
- unsigned int new_led_on, new_adsl_on;
-
- if ( !param )
- return -EINVAL;
-
- down(&led_sem);
-
- reg_con0 = *DANUBE_LED_CON0;
- reg_con1 = *DANUBE_LED_CON1;
- reg_cpu0 = *DANUBE_LED_CPU0;
- reg_ar = *DANUBE_LED_AR;
-
- clean_reg_con0 = 1;
- clean_reg_con1 = 1;
- clean_reg_cpu0 = 1;
- clean_reg_ar = 1;
-
- f_setup_gpt2 = 0;
-
- f_software_update = (readl(DANUBE_LED_CON0) & LED_CON0_SWU) ? 0 : 1;
-
- new_led_on = f_led_on;
- new_adsl_on = adsl_on;
-
- /* ADSL or LED */
- if ( (param->operation_mask & CONFIG_OPERATION_UPDATE_SOURCE) )
- {
- if ( param->led > 0x03 || param->source > 0x03 )
- goto INVALID_PARAM;
- clean_reg_con0 = 0;
- reg_con0 = set_update_source(reg_con0, param->led, param->source);
-#if 0 // ADSL0,1 is source for bit 0, 1 in shift register
- new_adsl_on = param->source;
-#endif
- }
-
- /* Blink */
- if ( (param->operation_mask & CONFIG_OPERATION_BLINK) )
- {
- if ( (param->blink_mask & 0xFF000000) || (param->blink & 0xFF000000) )
- goto INVALID_PARAM;
- clean_reg_con0 = 0;
- reg_con0 = set_blink_in_batch(reg_con0, param->blink_mask, param->blink);
- }
-
- /* Edge */
- if ( (param->operation_mask & CONFIG_DATA_CLOCK_EDGE) )
- {
- clean_reg_con0 = 0;
- reg_con0 = set_data_clock_edge(reg_con0, param->f_data_clock_on_rising);
- }
-
- /* Update Clock */
- if ( (param->operation_mask & CONFIG_OPERATION_UPDATE_CLOCK) )
- {
- if ( param->update_clock > 0x02 || (param->update_clock == 0x02 && param->fpid > 0x3) )
- goto INVALID_PARAM;
- clean_reg_con1 = 0;
- f_software_update = param->update_clock == 0 ? 1 : 0;
- if ( param->update_clock == 0x01 )
- f_setup_gpt2 = 1;
- reg_con1 = set_update_clock(reg_con1, param->update_clock, param->fpid);
- }
-
- /* Store Mode */
- if ( (param->operation_mask & CONFIG_OPERATION_STORE_MODE) )
- {
- clean_reg_con1 = 0;
- reg_con1 = set_store_mode(reg_con1, param->store_mode);
- }
-
- /* Shift Clock */
- if ( (param->operation_mask & CONFIG_OPERATION_SHIFT_CLOCK) )
- {
- if ( param->fpis > 0x03 )
- goto INVALID_PARAM;
- clean_reg_con1 = 0;
- reg_con1 = set_shift_clock(reg_con1, param->fpis);
- }
-
- /* Data Offset */
- if ( (param->operation_mask & CONFIG_OPERATION_DATA_OFFSET) )
- {
- if ( param->data_offset > 0x03 )
- goto INVALID_PARAM;
- clean_reg_con1 = 0;
- reg_con1 = set_data_offset(reg_con1, param->data_offset);
- }
-
- /* Number of LED */
- if ( (param->operation_mask & CONFIG_OPERATION_NUMBER_OF_LED) )
- {
- if ( param->number_of_enabled_led > 0x24 )
- goto INVALID_PARAM;
-
- /*
- * If there is at lease one LED enabled, the GPIO pin must be setup.
- */
- new_led_on = param->number_of_enabled_led ? 1 : 0;
-
- clean_reg_con1 = 0;
- reg_con1 = set_number_of_enabled_led(reg_con1, param->number_of_enabled_led);
- }
-
- /* LED Data */
- if ( (param->operation_mask & CONFIG_OPERATION_DATA) )
- {
- if ( (param->data_mask & 0xFF000000) || (param->data & 0xFF000000) )
- goto INVALID_PARAM;
- clean_reg_cpu0 = 0;
- reg_cpu0 = set_data_in_batch(reg_cpu0, param->data_mask, param->data);
- if ( f_software_update )
- {
- clean_reg_con0 = 0;
- reg_con0 |= 0x80000000;
- }
- }
-
- /* Access Right */
- if ( (param->operation_mask & CONFIG_OPERATION_MIPS0_ACCESS) )
- {
- if ( (param->mips0_access_mask & 0xFF000000) || (param->mips0_access & 0xFF000000) )
- goto INVALID_PARAM;
- clean_reg_ar = 0;
- reg_ar = set_access_right(reg_ar, param->mips0_access_mask, param->mips0_access);
- }
-
- /* Setup GPT */
- if ( f_setup_gpt2 && !new_adsl_on ) // If ADSL led is on, GPT is disabled.
- {
- ret = 0;
-
- if ( gpt_on )
- {
- if ( gpt_freq != param->fpid )
- {
- release_gpt(2);
- gpt_on = 0;
- ret = setup_gpt(2, param->fpid);
- }
- }
- else
- ret = setup_gpt(2, param->fpid);
-
- if ( ret )
- {
-#if 1
- printk("Setup GPT error!\n");
-#endif
- goto SETUP_GPT_ERROR;
- }
- else
- {
-#if 0
- printk("Setup GPT successfully!\n");
-#endif
- gpt_on = 1;
- }
- }
- else
- if ( gpt_on )
- {
- release_gpt(2);
- gpt_on = 0;
- }
-
- /* Turn on LED */
- if ( new_adsl_on )
- new_led_on = 1;
- if ( !new_led_on || adsl_on != new_adsl_on )
- {
- turn_off_led(adsl_on);
- f_led_on = 0;
- adsl_on = 0;
- }
- if ( !f_led_on && new_led_on )
- {
- ret = turn_on_led(new_adsl_on);
- if ( ret )
- {
- printk("Setup GPIO error!\n");
- goto SETUP_GPIO_ERROR;
- }
- adsl_on = new_adsl_on;
- f_led_on = 1;
- }
-
- /* Write Register */
- if ( !f_led_on )
- enable_led();
- if ( !clean_reg_ar )
- *DANUBE_LED_AR = reg_ar;
- if ( !clean_reg_cpu0 )
- *DANUBE_LED_CPU0 = reg_cpu0;
- if ( !clean_reg_con1 )
- *DANUBE_LED_CON1 = reg_con1;
- if ( !clean_reg_con0 )
- *DANUBE_LED_CON0 = reg_con0;
- if ( !f_led_on )
- disable_led();
-
- up(&led_sem);
- return 0;
-
-SETUP_GPIO_ERROR:
- release_gpt(2);
- gpt_on = 0;
-SETUP_GPT_ERROR:
- up(&led_sem);
- return ret;
-
-INVALID_PARAM:
- up(&led_sem);
- return -EINVAL;
-}
-
-static int
-led_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
-{
- int ret = -EINVAL;
- struct led_config_param param;
-
- switch ( cmd )
- {
- case LED_CONFIG:
- copy_from_user(¶m, (char*)arg, sizeof(param));
- ret = danube_led_config(¶m);
- break;
- }
-
- return ret;
-}
-
-static int
-led_open (struct inode *inode, struct file *file)
-{
- return 0;
-}
+ /* adsl 0 and 1 leds are updated by the arc */
+ writel(readl(DANUBE_LED_CON0) | DANUBE_LED_ADSL_SRC, DANUBE_LED_CON0);
-static int
-led_release (struct inode *inode, struct file *file)
-{
- return 0;
-}
+ /* per default, the leds are turned on */
+ danube_led_enable();
-static struct file_operations led_fops = {
- owner: THIS_MODULE,
- ioctl: led_ioctl,
- open: led_open,
- release: led_release
-};
+ danube_led_major = register_chrdev(0, "danube_led", &danube_led_fops);
-static struct miscdevice led_miscdev = {
- 151,
- "led",
- &led_fops,
- NULL,
- NULL,
- NULL
-};
+ if (!danube_led_major)
+ {
+ printk("danube_led: Error! Could not register device. %d\n", danube_led_major);
+ ret = -EINVAL;
-int __init
-danube_led_init (void)
-{
- int ret = 0;
- struct led_config_param param = {0};
-
- enable_led();
-
- writel(0, DANUBE_LED_AR);
- writel(0, DANUBE_LED_CPU0);
- writel(0, DANUBE_LED_CPU1);
- writel(0, DANUBE_LED_CON1);
- writel((0x80000000 | (DATA_CLOCKING_EDGE << 26)), DANUBE_LED_CON0);
-
- disable_led();
-
- sema_init(&led_sem, 0);
-
- ret = misc_register(&led_miscdev);
- if (ret == -EBUSY)
- {
- led_miscdev.minor = MISC_DYNAMIC_MINOR;
- ret = misc_register(&led_miscdev);
- }
-
- if (ret)
- {
- printk(KERN_ERR "led: can't misc_register\n");
- goto out;
- } else {
- printk(KERN_INFO "led: misc_register on minor = %d\n", led_miscdev.minor);
+ goto out;
}
- up(&led_sem);
-
- /* Add to enable hardware relay */
- /* Map for LED on reference board
- WLAN_READ LED11 OUT1 15
- WARNING LED12 OUT2 14
- FXS1_LINK LED13 OUT3 13
- FXS2_LINK LED14 OUT4 12
- FXO_ACT LED15 OUT5 11
- USB_LINK LED16 OUT6 10
- ADSL2_LINK LED19 OUT7 9
- BT_LINK LED17 OUT8 8
- SD_LINK LED20 OUT9 7
- ADSL2_TRAFFIC LED31 OUT16 0
- Map for hardware relay on reference board
- USB Power On OUT11 5
- RELAY OUT12 4
- */
- param.operation_mask = CONFIG_OPERATION_NUMBER_OF_LED;
- param.number_of_enabled_led = 16;
- danube_led_config(¶m);
- param.operation_mask = CONFIG_OPERATION_DATA;
- param.data_mask = 1 << 4;
- param.data = 1 << 4;
- danube_led_config(¶m);
-
- // by default, update by FSC clock (FPID)
- param.operation_mask = CONFIG_OPERATION_UPDATE_CLOCK;
- param.update_clock = 2; // FPID
- param.fpid = 3; // 10Hz
- danube_led_config(¶m);
-
- // source of LED 0, 1 is ADSL
- param.operation_mask = CONFIG_OPERATION_UPDATE_SOURCE;
- param.led = 3; // LED 0, 1
- param.source = 3; // ADSL
- danube_led_config(¶m);
-
- // turn on USB
- param.operation_mask = CONFIG_OPERATION_DATA;
- param.data_mask = 1 << 5;
- param.data = 1 << 5;
- danube_led_config(¶m);
+ printk(KERN_INFO "danube_led : device registered on major %d\n", danube_led_major);
out:
- return ret;
+ return ret;
}
void __exit
danube_led_exit (void)
{
- int ret;
-
- ret = misc_deregister(&led_miscdev);
- if ( ret )
- printk(KERN_ERR "led: can't misc_deregister, get error number %d\n", -ret);
- else
- printk(KERN_INFO "led: misc_deregister successfully\n");
+ unregister_chrdev(danube_led_major, "danube_led");
}
-EXPORT_SYMBOL(danube_led_set_blink);
-EXPORT_SYMBOL(danube_led_set_data);
-EXPORT_SYMBOL(danube_led_config);
-
module_init(danube_led_init);
module_exit(danube_led_exit);
-
projects / openwrt.git / commitdiff