danube led cleanup
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9732 3c298f89-4303-0410-b956-a3cf2f4a3e73master
John Crispin
parent
e0b835519b
commit
dbc0c88f4f
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@ -244,11 +244,11 @@
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* LED Registers Mapping
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*/
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#define DANUBE_LED (KSEG1 + 0x1E100BB0)
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#define DANUBE_LED_CON0 ((volatile u32*)(DANUBE_LED + 0x0000))
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#define DANUBE_LED_CON1 ((volatile u32*)(DANUBE_LED + 0x0004))
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#define DANUBE_LED_CPU0 ((volatile u32*)(DANUBE_LED + 0x0008))
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#define DANUBE_LED_CPU1 ((volatile u32*)(DANUBE_LED + 0x000C))
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#define DANUBE_LED_AR ((volatile u32*)(DANUBE_LED + 0x0010))
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#define DANUBE_LED_CON0 ((volatile unsigned int*)(DANUBE_LED + 0x0000))
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#define DANUBE_LED_CON1 ((volatile unsigned int*)(DANUBE_LED + 0x0004))
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#define DANUBE_LED_CPU0 ((volatile unsigned int*)(DANUBE_LED + 0x0008))
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#define DANUBE_LED_CPU1 ((volatile unsigned int*)(DANUBE_LED + 0x000C))
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#define DANUBE_LED_AR ((volatile unsigned int*)(DANUBE_LED + 0x0010))
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/*
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* LED Control 0 Register
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@ -292,13 +292,6 @@
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#define LED_AR_Ln(n) (*DANUBE_LED_AR & (1 << n))
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#define LED_AR_DEFAULT_VALUE 0x00000000
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/*
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* ####################################
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* Preparation of Debug on Amazon Chip
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* ####################################
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*/
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/*
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* If try module on Amazon chip, prepare some tricks to prevent invalid memory write.
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*/
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@ -328,12 +321,6 @@
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#endif // defined(DEBUG_ON_AMAZON) && DEBUG_ON_AMAZON
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/*
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* ####################################
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* Declaration
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* ####################################
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*/
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/*
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* File Operations
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*/
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@ -349,16 +336,16 @@ static inline int update_led(void);
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/*
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* LED Configuration Functions
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*/
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static inline u32 set_update_source(u32, unsigned long, unsigned long);
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static inline u32 set_blink_in_batch(u32, unsigned long, unsigned long);
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static inline u32 set_data_clock_edge(u32, unsigned long);
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static inline u32 set_update_clock(u32, unsigned long, unsigned long);
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static inline u32 set_store_mode(u32, unsigned long);
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static inline u32 set_shift_clock(u32, unsigned long);
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static inline u32 set_data_offset(u32, unsigned long);
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static inline u32 set_number_of_enabled_led(u32, unsigned long);
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static inline u32 set_data_in_batch(u32, unsigned long, unsigned long);
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static inline u32 set_access_right(u32, unsigned long, unsigned long);
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static inline unsigned int set_update_source(unsigned int, unsigned long, unsigned long);
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static inline unsigned int set_blink_in_batch(unsigned int, unsigned long, unsigned long);
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static inline unsigned int set_data_clock_edge(unsigned int, unsigned long);
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static inline unsigned int set_update_clock(unsigned int, unsigned long, unsigned long);
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static inline unsigned int set_store_mode(unsigned int, unsigned long);
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static inline unsigned int set_shift_clock(unsigned int, unsigned long);
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static inline unsigned int set_data_offset(unsigned int, unsigned long);
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static inline unsigned int set_number_of_enabled_led(unsigned int, unsigned long);
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static inline unsigned int set_data_in_batch(unsigned int, unsigned long, unsigned long);
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static inline unsigned int set_access_right(unsigned int, unsigned long, unsigned long);
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/*
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* PMU Operation
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@ -385,12 +372,6 @@ static inline int turn_on_led(unsigned long);
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static inline void turn_off_led(unsigned long);
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/*
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* ####################################
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* Local Variable
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* ####################################
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*/
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static struct semaphore led_sem;
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static struct file_operations led_fops = {
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@ -418,20 +399,8 @@ static unsigned long f_led_on = 0;
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static int module_id;
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/*
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* ####################################
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* Global Variable
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* ####################################
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*/
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/*
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* ####################################
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* Local Function
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* ####################################
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*/
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static int led_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
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static int
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led_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
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{
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int ret = -EINVAL;
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struct led_config_param param;
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@ -447,26 +416,20 @@ static int led_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
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return ret;
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}
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static int led_open(struct inode *inode, struct file *file)
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static int
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led_open (struct inode *inode, struct file *file)
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{
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return 0;
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}
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static int led_release(struct inode *inode, struct file *file)
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static int
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led_release (struct inode *inode, struct file *file)
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{
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return 0;
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}
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/*
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* Description:
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* Update LEDs with data stored in register.
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* Input:
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* none
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* Output:
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* int --- 0: Success
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* else: Error Code
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*/
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static inline int update_led(void)
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static inline int
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update_led (void)
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{
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int i, j;
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@ -496,63 +459,26 @@ static inline int update_led(void)
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return -EBUSY;
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}
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/*
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* Description:
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* Select update source for LED bit 0 and bit 1.
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* Input:
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* reg --- u32, the original register value going to be modified.
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* led --- unsigned long, bit 0 stands for LED 0, and bit 1 stands for
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* LED 1. If the bit is set, the source value is valid, else
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* the source value is invalid.
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* source --- unsigned long, bit 0 stands for LED 0, and bit 1 stands for
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* LED 1. If the corresponding is cleared, LED is updated with
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* value in data register, else LED is updated with ARC module.
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* Output:
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* u32 --- The updated register value.
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*/
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static inline u32 set_update_source(u32 reg, unsigned long led, unsigned long source)
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static inline unsigned int
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set_update_source (unsigned int reg, unsigned long led, unsigned long source)
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{
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return (reg & ~((led & 0x03) << 24)) | ((source & 0x03) << 24);
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}
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/*
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* Description:
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* Define which of the LEDs should change their value based on the US pulse.
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* Input:
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* reg --- u32, the original register value going to be modified.
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* mask --- unsigned long, if the corresponding bit is set, the blink value
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* is valid, else the blink value is invalid.
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* blink --- unsigned long, if the corresponding bit is set, the LED should
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* change its value based on the US pulse.
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* Output:
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* u32 --- The updated register value.
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*/
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static inline u32 set_blink_in_batch(u32 reg, unsigned long mask, unsigned long blink)
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static inline unsigned int
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set_blink_in_batch (unsigned int reg, unsigned long mask, unsigned long blink)
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{
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return (reg & (~(mask & 0x00FFFFFF) & 0x87FFFFFF)) | (blink & 0x00FFFFFF);
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}
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static inline u32 set_data_clock_edge(u32 reg, unsigned long f_on_rising_edge)
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static inline unsigned int
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set_data_clock_edge (unsigned int reg, unsigned long f_on_rising_edge)
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{
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return f_on_rising_edge ? (reg & ~(1 << 26)) : (reg | (1 << 26));
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}
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/*
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* Description:
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* Select the clock source for US pulse.
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* Input:
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* reg --- u32, the original register value going to be modified.
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* clock --- unsigned long, there 3 available values:
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* 0x00 - use software update bit (SWU) as source.
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* 0x01 - use GPT2 as clock source.
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* 0x02 - use FPI as clock source.
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* fpid --- unsigned long, if FPI is selected as clock source, this field
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* specify the divider. Please refer to specification for detail
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* description.
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* Output:
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* u32 --- The updated register value.
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*/
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static inline u32 set_update_clock(u32 reg, unsigned long clock, unsigned long fpid)
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static inline unsigned int
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set_update_clock (unsigned int reg, unsigned long clock, unsigned long fpid)
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{
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switch ( clock )
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{
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@ -563,103 +489,47 @@ static inline u32 set_update_clock(u32 reg, unsigned long clock, unsigned long f
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return reg;
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}
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/*
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* Description:
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* Set the behavior of the LED_ST (shift register) signal.
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* Input:
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* reg --- u32, the original register value going to be modified.
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* mode --- unsigned long, there 2 available values:
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* zero - LED controller generate single pulse.
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* non-zero - LED controller generate inverted shift clock.
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* Output:
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* u32 --- The updated register value.
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*/
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static inline u32 set_store_mode(u32 reg, unsigned long mode)
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static inline unsigned int
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set_store_mode (unsigned int reg, unsigned long mode)
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{
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return mode ? (reg | (1 << 28)) : (reg & ~(1 << 28));
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}
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/*
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* Description:
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* Select the clock source for shift clock LED_SH.
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* Input:
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* reg --- u32, the original register value going to be modified.
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* fpis --- unsigned long, if FPI is selected as clock source, this field
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* specify the divider. Please refer to specification for detail
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* description.
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* Output:
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* u32 --- The updated register value.
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*/
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static inline u32 set_shift_clock(u32 reg, unsigned long fpis)
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static inline
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unsigned int set_shift_clock (unsigned int reg, unsigned long fpis)
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{
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return SET_BITS(reg, 21, 20, fpis);
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}
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/*
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* Description:
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* Set the clock cycle offset before data is transmitted to LED_D pin.
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* Input:
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* reg --- u32, the original register value going to be modified.
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* offset --- unsigned long, the number of clock cycles would be inserted
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* before data is transmitted to LED_D pin. Zero means no cycle
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* inserted.
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* Output:
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* u32 --- The updated register value.
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*/
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static inline u32 set_data_offset(u32 reg, unsigned long offset)
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static inline
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unsigned int set_data_offset (unsigned int reg, unsigned long offset)
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{
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return SET_BITS(reg, 19, 18, offset);
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}
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/*
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* Description:
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* Enable or disable LEDs.
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* Input:
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* reg --- u32, the original register value going to be modified.
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* number --- unsigned long, the number of LED to be enabled. This field
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* could 0, 8, 16 or 24. Zero means disable all LEDs.
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* Output:
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* u32 --- The updated register value.
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*/
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static inline u32 set_number_of_enabled_led(u32 reg, unsigned long number)
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static inline
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unsigned int set_number_of_enabled_led (unsigned int reg, unsigned long number)
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{
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u32 bit_mask;
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unsigned int bit_mask;
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bit_mask = number > 16 ? 0x07 : (number > 8 ? 0x03 : (number ? 0x01 : 0x00));
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return (reg & ~0x07) | bit_mask;
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}
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/*
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* Description:
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* Turn on/off LEDs.
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* Input:
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* reg --- u32, the original register value going to be modified.
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* mask --- unsigned long, if the corresponding bit is set, the data value
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* is valid, else the data value is invalid.
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* data --- unsigned long, if the corresponding bit is set, the LED should
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* be on, else be off.
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* Output:
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* u32 --- The updated register value.
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*/
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static inline u32 set_data_in_batch(u32 reg, unsigned long mask, unsigned long data)
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static inline unsigned int
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set_data_in_batch (unsigned int reg, unsigned long mask, unsigned long data)
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{
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return (reg & ~(mask & 0x00FFFFFF)) | (data & 0x00FFFFFF);
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}
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static inline u32 set_access_right(u32 reg, unsigned long mask, unsigned long ar)
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static inline unsigned int
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set_access_right (unsigned int reg, unsigned long mask, unsigned long ar)
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{
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return (reg & ~(mask & 0x00FFFFFF)) | (~ar & mask);
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}
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/*
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* Description:
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* Enable LED control module.
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* Input:
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* none
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* Output:
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* none
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*/
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static inline void enable_led(void)
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static inline void
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enable_led (void)
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{
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#if !defined(DEBUG_ON_AMAZON) || !DEBUG_ON_AMAZON
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/* Activate LED module in PMU. */
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@ -672,15 +542,8 @@ static inline void enable_led(void)
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#endif
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}
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/*
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* Description:
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* Disable LED control module.
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* Input:
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* none
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* Output:
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* none
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*/
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static inline void disable_led(void)
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static inline void
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disable_led (void)
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{
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#if !defined(DEBUG_ON_AMAZON) || !DEBUG_ON_AMAZON
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/* Inactivating LED module in PMU. */
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@ -688,16 +551,8 @@ static inline void disable_led(void)
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#endif
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}
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/*
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* Description:
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* If LEDs are enabled, GPIO must be setup to enable LED pins.
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* Input:
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* none
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* Output:
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* int --- 0: Success
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* else: Error Code
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*/
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static inline int setup_gpio_port(unsigned long adsl)
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static inline int
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setup_gpio_port (unsigned long adsl)
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{
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#if !defined(DEBUG_ON_AMAZON) || !DEBUG_ON_AMAZON
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int ret = 0;
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@ -786,16 +641,8 @@ static inline int setup_gpio_port(unsigned long adsl)
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return 0;
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}
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/*
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* Description:
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* If LEDs are all disabled, GPIO must be released so that other application
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* could reuse it.
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* Input:
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* none
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* Output:
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* none
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*/
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static inline void release_gpio_port(unsigned long adsl)
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static inline void
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release_gpio_port (unsigned long adsl)
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{
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#if !defined(DEBUG_ON_AMAZON) || !DEBUG_ON_AMAZON
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#if !defined(DEBUG_WRITE_REGISTER) || !DEBUG_WRITE_REGISTER
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@ -814,33 +661,13 @@ static inline void release_gpio_port(unsigned long adsl)
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#endif
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}
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/*
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* Description:
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* If shifter or update select GPT as clock source, this function would be
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* invoked to setup corresponding GPT module.
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* Attention please, this function is not working since the GPTU driver is
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* not ready.
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* Input:
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* timer --- int, index of timer.
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* freq --- unsigned long, frequency of timer (0.001Hz). This value will be
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* rounded off to nearest possible value.
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* Output:
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* int --- 0: Success
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* else: Error Code
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*/
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static inline int setup_gpt(int timer, unsigned long freq)
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static inline int
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setup_gpt (int timer, unsigned long freq)
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{
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int ret;
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#if 0
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timer = TIMER(timer, 0);
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#else
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timer = TIMER(timer, 1); // 2B
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#endif
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timer = TIMER(timer, 1);
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#if 0
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ret = set_timer(timer, freq, 1, 0, TIMER_FLAG_NO_HANDLE, 0, 0);
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#else
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ret = request_timer(timer,
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TIMER_FLAG_SYNC
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| TIMER_FLAG_16BIT
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@ -852,8 +679,6 @@ static inline int setup_gpt(int timer, unsigned long freq)
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0,
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0);
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#endif
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// printk("setup_gpt: timer = %d, freq = %d, return = %d\n", timer, freq, ret);
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if ( !ret )
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{
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ret = start_timer(timer, 0);
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@ -864,29 +689,16 @@ static inline int setup_gpt(int timer, unsigned long freq)
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return ret;
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}
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/*
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* Description:
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* If shifter or update select other clock source, allocated GPT must be
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* released so that other application can use it.
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* Attention please, this function is not working since the GPTU driver is
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* not ready.
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* Input:
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* none
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* Output:
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* none
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*/
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static inline void release_gpt(int timer)
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static inline void
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release_gpt (int timer)
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{
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#if 0
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timer = TIMER(timer, 0);
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#else
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timer = TIMER(timer, 1);
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#endif
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stop_timer(timer);
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free_timer(timer);
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}
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static inline int turn_on_led(unsigned long adsl)
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static inline int
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turn_on_led (unsigned long adsl)
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{
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int ret;
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@ -899,33 +711,18 @@ static inline int turn_on_led(unsigned long adsl)
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return 0;
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}
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static inline void turn_off_led(unsigned long adsl)
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static inline void
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turn_off_led (unsigned long adsl)
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{
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release_gpio_port(adsl);
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disable_led();
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}
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||||
/*
|
||||
* ####################################
|
||||
* Global Function
|
||||
* ####################################
|
||||
*/
|
||||
|
||||
/*
|
||||
* Description:
|
||||
* Define which of the LEDs should change its value based on the US pulse.
|
||||
* Input:
|
||||
* led --- unsigned int, index of the LED to be set.
|
||||
* blink --- unsigned int, zero means normal mode, and non-zero means blink
|
||||
* mode.
|
||||
* Output:
|
||||
* int --- 0: Success
|
||||
* else: Error Code
|
||||
*/
|
||||
int danube_led_set_blink(unsigned int led, unsigned int blink)
|
||||
int
|
||||
danube_led_set_blink (unsigned int led, unsigned int blink)
|
||||
{
|
||||
u32 bit_mask;
|
||||
unsigned int bit_mask;
|
||||
|
||||
if ( led > 23 )
|
||||
return -EINVAL;
|
||||
|
|
@ -941,20 +738,11 @@ int danube_led_set_blink(unsigned int led, unsigned int blink)
|
|||
return (led == 0 && LED_CON0_AD0) || (led == 1 && LED_CON0_AD1) ? -EINVAL : 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Description:
|
||||
* Turn on/off LED.
|
||||
* Input:
|
||||
* led --- unsigned int, index of the LED to be set.
|
||||
* data --- unsigned int, zero means off, and non-zero means on.
|
||||
* Output:
|
||||
* int --- 0: Success
|
||||
* else: Error Code
|
||||
*/
|
||||
int danube_led_set_data(unsigned int led, unsigned int data)
|
||||
int
|
||||
danube_led_set_data (unsigned int led, unsigned int data)
|
||||
{
|
||||
unsigned long f_update;
|
||||
u32 bit_mask;
|
||||
unsigned int bit_mask;
|
||||
|
||||
if ( led > 23 )
|
||||
return -EINVAL;
|
||||
|
|
@ -971,39 +759,15 @@ int danube_led_set_data(unsigned int led, unsigned int data)
|
|||
return f_update ? update_led() : 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Description:
|
||||
* Config LED controller.
|
||||
* Input:
|
||||
* param --- struct led_config_param*, the members are listed below:
|
||||
* operation_mask - Select operations to be performed
|
||||
* led - LED to change update source
|
||||
* source - Corresponding update source
|
||||
* blink_mask - LEDs to set blink mode
|
||||
* blink - Set to blink mode or normal mode
|
||||
* update_clock - Select the source of update clock
|
||||
* fpid - If FPI is the source of update clock, set the divider
|
||||
* store_mode - Set clock mode or single pulse mode for store signal
|
||||
* fpis - If FPI is the source of shift clock, set the divider
|
||||
* data_offset - Set cycles to be inserted before data is transmitted
|
||||
* number_of_enabled_led - Total number of LED to be enabled
|
||||
* data_mask - LEDs to set value
|
||||
* data - Corresponding value
|
||||
* mips0_access_mask - LEDs to set access right
|
||||
* mips0_access; - 1: the corresponding data is output from MIPS0, 0: MIPS1
|
||||
* f_data_clock_on_rising - 1: data clock on rising edge, 0: data clock on falling edge
|
||||
* Output:
|
||||
* int --- 0: Success
|
||||
* else: Error Code
|
||||
*/
|
||||
int danube_led_config(struct led_config_param* param)
|
||||
int
|
||||
danube_led_config (struct led_config_param* param)
|
||||
{
|
||||
int ret;
|
||||
u32 reg_con0, reg_con1, reg_cpu0, reg_ar;
|
||||
u32 clean_reg_con0, clean_reg_con1, clean_reg_cpu0, clean_reg_ar;
|
||||
u32 f_setup_gpt2;
|
||||
u32 f_software_update;
|
||||
u32 new_led_on, new_adsl_on;
|
||||
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;
|
||||
|
|
@ -1183,20 +947,13 @@ int danube_led_config(struct led_config_param* param)
|
|||
ret = turn_on_led(new_adsl_on);
|
||||
if ( ret )
|
||||
{
|
||||
#if 1
|
||||
printk("Setup GPIO error!\n");
|
||||
#endif
|
||||
goto SETUP_GPIO_ERROR;
|
||||
}
|
||||
adsl_on = new_adsl_on;
|
||||
f_led_on = 1;
|
||||
}
|
||||
|
||||
#if 0
|
||||
if ( (reg_con0 & 0x80000000) )
|
||||
printk("software update\n");
|
||||
#endif
|
||||
|
||||
/* Write Register */
|
||||
if ( !f_led_on )
|
||||
enable_led();
|
||||
|
|
@ -1215,21 +972,6 @@ int danube_led_config(struct led_config_param* param)
|
|||
*DANUBE_LED_CON0 &= 0x7FFFFFFF;
|
||||
#endif
|
||||
|
||||
#if 0
|
||||
#if !defined(DEBUG_ON_AMAZON) || !DEBUG_ON_AMAZON
|
||||
printk("*0xBF10201C = 0x%08lX\n", *(unsigned long *)0xBF10201C);
|
||||
printk("*0xBE100B18 = 0x%08lX\n", *(unsigned long *)0xBE100B18);
|
||||
printk("*0xBE100B1C = 0x%08lX\n", *(unsigned long *)0xBE100B1C);
|
||||
printk("*0xBE100B20 = 0x%08lX\n", *(unsigned long *)0xBE100B20);
|
||||
printk("*0xBE100B24 = 0x%08lX\n", *(unsigned long *)0xBE100B24);
|
||||
#endif
|
||||
printk("*DANUBE_LED_CON0 = 0x%08X\n", *DANUBE_LED_CON0);
|
||||
printk("*DANUBE_LED_CON1 = 0x%08X\n", *DANUBE_LED_CON1);
|
||||
printk("*DANUBE_LED_CPU0 = 0x%08X\n", *DANUBE_LED_CPU0);
|
||||
printk("*DANUBE_LED_CPU1 = 0x%08X\n", *DANUBE_LED_CPU1);
|
||||
printk("*DANUBE_LED_AR = 0x%08X\n", *DANUBE_LED_AR);
|
||||
#endif
|
||||
|
||||
up(&led_sem);
|
||||
return 0;
|
||||
|
||||
|
|
@ -1246,22 +988,8 @@ INVALID_PARAM:
|
|||
}
|
||||
|
||||
|
||||
/*
|
||||
* ####################################
|
||||
* Init/Cleanup API
|
||||
* ####################################
|
||||
*/
|
||||
|
||||
/*
|
||||
* Description:
|
||||
* register device
|
||||
* Input:
|
||||
* none
|
||||
* Output:
|
||||
* 0 --- successful
|
||||
* else --- failure, usually it is negative value of error code
|
||||
*/
|
||||
int __init danube_led_init(void)
|
||||
int __init
|
||||
danube_led_init (void)
|
||||
{
|
||||
int ret;
|
||||
struct led_config_param param = {0};
|
||||
|
|
@ -1350,15 +1078,8 @@ int __init danube_led_init(void)
|
|||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Description:
|
||||
* deregister device
|
||||
* Input:
|
||||
* none
|
||||
* Output:
|
||||
* none
|
||||
*/
|
||||
void __exit danube_led_exit(void)
|
||||
void __exit
|
||||
danube_led_exit (void)
|
||||
{
|
||||
int ret;
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue