*
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/version.h>
#include <asm/uaccess.h>
#include <asm/unistd.h>
#include <linux/errno.h>
-
-/*
- * Chip Specific Head File
- */
+#include <asm/danube/danube.h>
#include <asm/danube/port.h>
-
#include <asm/danube/danube_led.h>
#include <asm/danube/danube_gptu.h>
-
-/*
- * ####################################
- * Definition
- * ####################################
- */
-
-#define DEBUG_ON_AMAZON 0
-
#define DATA_CLOCKING_EDGE FALLING_EDGE
-
-#define BOARD_TYPE REFERENCE_BOARD
-
-#define DEBUG_WRITE_REGISTER 0
-
#define RISING_EDGE 0
#define FALLING_EDGE 1
-#define EVALUATION_BOARD 0
-#define REFERENCE_BOARD 1
-
-/*
- * GPIO Driver Function Wrapping
- */
#define port_reserve_pin danube_port_reserve_pin
#define port_free_pin danube_port_free_pin
#define port_set_altsel0 danube_port_set_altsel0
#define port_set_open_drain danube_port_set_open_drain
#define port_clear_open_drain danube_port_clear_open_drain
-/*
- * GPIO Port Used By LED
- */
#define LED_SH_PORT 0
#define LED_SH_PIN 4
#define LED_SH_DIR 1
#define ADSL_LED_IS_EXCLUSIVE 0
#endif
-/*
- * Define GPIO Functions
- */
#if LED_SH_DIR
#define LED_SH_DIR_SETUP port_set_dir_out
#else
#define LED_ADSL1_OPENDRAIN_SETUP port_clear_open_drain
#endif
-/*
- * LED Device Minor Number
- */
-#if !defined(LED_MINOR)
- #define LED_MINOR 151 // This number is written in Linux kernel document "devices.txt"
-#endif // !defined(LED_MINOR)
-
-/*
- * Bits Operation
- */
-#define GET_BITS(x, msb, lsb) (((x) & ((1 << ((msb) + 1)) - 1)) >> (lsb))
#define SET_BITS(x, msb, lsb, value) (((x) & ~(((1 << ((msb) + 1)) - 1) ^ ((1 << (lsb)) - 1))) | (((value) & ((1 << (1 + (msb) - (lsb))) - 1)) << (lsb)))
-/*
- * LED Registers Mapping
- */
-#define DANUBE_LED (KSEG1 + 0x1E100BB0)
-#define DANUBE_LED_CON0 ((volatile unsigned int*)(DANUBE_LED + 0x0000))
-#define DANUBE_LED_CON1 ((volatile unsigned int*)(DANUBE_LED + 0x0004))
-#define DANUBE_LED_CPU0 ((volatile unsigned int*)(DANUBE_LED + 0x0008))
-#define DANUBE_LED_CPU1 ((volatile unsigned int*)(DANUBE_LED + 0x000C))
-#define DANUBE_LED_AR ((volatile unsigned int*)(DANUBE_LED + 0x0010))
-
-/*
- * LED Control 0 Register
- */
-#define LED_CON0_SWU (*DANUBE_LED_CON0 & (1 << 31))
-#define LED_CON0_FALLING_EDGE (*DANUBE_LED_CON0 & (1 << 26))
-#define LED_CON0_AD1 (*DANUBE_LED_CON0 & (1 << 25))
-#define LED_CON0_AD0 (*DANUBE_LED_CON0 & (1 << 24))
-#define LED_CON0_LBn(n) (*DANUBE_LED_CON0 & (1 << n))
-#define LED_CON0_DEFAULT_VALUE (0x80000000 | (DATA_CLOCKING_EDGE << 26))
-
-/*
- * LED Control 1 Register
- */
-#define LED_CON1_US (*DANUBE_LED_CON1 >> 30)
-#define LED_CON1_SCS (*DANUBE_LED_CON1 & (1 << 28))
-#define LED_CON1_FPID GET_BITS(*DANUBE_LED_CON1, 27, 23)
-#define LED_CON1_FPIS GET_BITS(*DANUBE_LED_CON1, 21, 20)
-#define LED_CON1_DO GET_BITS(*DANUBE_LED_CON1, 19, 18)
-#define LED_CON1_G2 (*DANUBE_LED_CON1 & (1 << 2))
-#define LED_CON1_G1 (*DANUBE_LED_CON1 & (1 << 1))
-#define LED_CON1_G0 (*DANUBE_LED_CON1 & 0x01)
-#define LED_CON1_G (*DANUBE_LED_CON1 & 0x07)
-#define LED_CON1_DEFAULT_VALUE 0x00000000
-
-/*
- * LED Data Output CPU 0 Register
- */
-#define LED_CPU0_Ln(n) (*DANUBE_LED_CPU0 & (1 << n))
-#define LED_LED_CPU0_DEFAULT_VALUE 0x00000000
-
-/*
- * LED Data Output CPU 1 Register
- */
-#define LED_CPU1_Ln(n) (*DANUBE_LED_CPU1 & (1 << n))
-#define LED_LED_CPU1_DEFAULT_VALUE 0x00000000
-
-/*
- * LED Data Output Access Rights Register
- */
-#define LED_AR_Ln(n) (*DANUBE_LED_AR & (1 << n))
-#define LED_AR_DEFAULT_VALUE 0x00000000
-
-/*
- * If try module on Amazon chip, prepare some tricks to prevent invalid memory write.
- */
-#if defined(DEBUG_ON_AMAZON) && DEBUG_ON_AMAZON
- char g_pFakeRegisters[0x50];
-
- #undef DEBUG_WRITE_REGISTER
-
- #undef DANUBE_LED
- #define DANUBE_LED g_pFakeRegisters
-
- #undef port_reserve_pin
- #undef port_free_pin
- #undef port_set_altsel0
- #undef port_clear_altsel0
- #undef port_set_altsel1
- #undef port_clear_altsel1
- #undef port_set_dir_out
-
- #define port_reserve_pin amazon_port_reserve_pin
- #define port_free_pin amazon_port_free_pin
- #define port_set_altsel0 amazon_port_set_altsel0
- #define port_clear_altsel0 amazon_port_clear_altsel0
- #define port_set_altsel1 amazon_port_set_altsel1
- #define port_clear_altsel1 amazon_port_clear_altsel1
- #define port_set_dir_out amazon_port_set_dir_out
-#endif // defined(DEBUG_ON_AMAZON) && DEBUG_ON_AMAZON
-
-
-/*
- * File Operations
- */
-static int led_ioctl(struct inode *, struct file *, unsigned int, unsigned long);
-static int led_open(struct inode *, struct file *);
-static int led_release(struct inode *, struct file *);
-
-/*
- * Software Update LED
- */
static inline int update_led(void);
-/*
- * LED Configuration Functions
- */
static inline unsigned int set_update_source(unsigned int, unsigned long, unsigned long);
static inline unsigned int set_blink_in_batch(unsigned int, unsigned long, unsigned long);
static inline unsigned int set_data_clock_edge(unsigned int, unsigned long);
static inline unsigned int set_data_in_batch(unsigned int, unsigned long, unsigned long);
static inline unsigned int set_access_right(unsigned int, unsigned long, unsigned long);
-/*
- * PMU Operation
- */
static inline void enable_led(void);
static inline void disable_led(void);
-/*
- * GPIO Setup & Release
- */
static inline int setup_gpio_port(unsigned long);
static inline void release_gpio_port(unsigned long);
-/*
- * GPT Setup & Release
- */
static inline int setup_gpt(int, unsigned long);
static inline void release_gpt(int);
-/*
- * Turn On/Off LED
- */
static inline int turn_on_led(unsigned long);
static inline void turn_off_led(unsigned long);
static struct semaphore led_sem;
-static struct file_operations led_fops = {
- owner: THIS_MODULE,
- ioctl: led_ioctl,
- open: led_open,
- release: led_release
-};
-
-static struct miscdevice led_miscdev = {
- LED_MINOR,
- "led",
- &led_fops,
- NULL,
- NULL,
- NULL
-};
-
static unsigned long gpt_on = 0;
static unsigned long gpt_freq = 0;
static int module_id;
-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;
-}
-
-static int
-led_release (struct inode *inode, struct file *file)
-{
- return 0;
-}
-
static inline int
update_led (void)
{
/*
* GPT2 or FPID is the clock to update LEDs automatically.
*/
- if ( LED_CON1_US != 0 )
+ if (readl(DANUBE_LED_CON1) >> 30)
return 0;
/*
for ( i = 100000; i != 0; i -= j / 16 )
{
down(&led_sem);
- if ( !LED_CON0_SWU )
+ if (!(readl(DANUBE_LED_CON0) & LED_CON0_SWU))
{
*DANUBE_LED_CON0 |= 1 << 31;
up(&led_sem);
static inline void
enable_led (void)
{
-#if !defined(DEBUG_ON_AMAZON) || !DEBUG_ON_AMAZON
/* Activate LED module in PMU. */
int i = 1000000;
while ( --i && (*(unsigned long *)0xBF102020 & (1 << 11)) );
if ( !i )
panic("Activating LED in PMU failed!");
-#endif
}
static inline void
disable_led (void)
{
-#if !defined(DEBUG_ON_AMAZON) || !DEBUG_ON_AMAZON
- /* Inactivating LED module in PMU. */
*(unsigned long *)0xBF10201C |= 1 << 11;
-#endif
}
static inline int
setup_gpio_port (unsigned long adsl)
{
-#if !defined(DEBUG_ON_AMAZON) || !DEBUG_ON_AMAZON
int ret = 0;
- #if defined(DEBUG_WRITE_REGISTER) && DEBUG_WRITE_REGISTER
- if ( adsl )
- {
- *(unsigned long *)0xBE100B18 |= 0x30;
- *(unsigned long *)0xBE100B1C |= 0x20;
- *(unsigned long *)0xBE100B1C &= ~0x10;
- *(unsigned long *)0xBE100B20 |= 0x30;
- *(unsigned long *)0xBE100B24 |= 0x30;
- }
- else
- {
- *(unsigned long *)0xBE100B18 |= 0x70;
- *(unsigned long *)0xBE100B1C |= 0x70;
- *(unsigned long *)0xBE100B20 &= ~0x70;
- *(unsigned long *)0xBE100B24 |= 0x70;
- }
- #else
-
/*
* Reserve all pins before config them.
*/
LED_SH_DIR_SETUP(LED_SH_PORT, LED_SH_PIN, module_id);
LED_SH_OPENDRAIN_SETUP(LED_SH_PORT, LED_SH_PIN, module_id);
}
- #endif
-#endif
return 0;
}
static inline void
release_gpio_port (unsigned long adsl)
{
-#if !defined(DEBUG_ON_AMAZON) || !DEBUG_ON_AMAZON
- #if !defined(DEBUG_WRITE_REGISTER) || !DEBUG_WRITE_REGISTER
if ( adsl )
{
port_free_pin(LED_ADSL0_PORT, LED_ADSL0_PIN, module_id);
port_free_pin(LED_D_PORT, LED_D_PIN, module_id);
port_free_pin(LED_SH_PORT, LED_SH_PIN, module_id);
}
- #endif
-#endif
}
static inline int
*DANUBE_LED_CON0 &= ~bit_mask;
up(&led_sem);
- return (led == 0 && LED_CON0_AD0) || (led == 1 && LED_CON0_AD1) ? -EINVAL : 0;
+ return (led == 0 && (readl(DANUBE_LED_CON0) & LED_CON0_AD0)) || (led == 1 && (readl(DANUBE_LED_CON0) & LED_CON0_AD1)) ? -EINVAL : 0;
}
int
f_setup_gpt2 = 0;
- f_software_update = LED_CON0_SWU ? 0 : 1;
+ f_software_update = (readl(DANUBE_LED_CON0) & LED_CON0_SWU) ? 0 : 1;
new_led_on = f_led_on;
new_adsl_on = adsl_on;
if ( !f_led_on )
disable_led();
-#if defined(DEBUG_ON_AMAZON) && DEBUG_ON_AMAZON
- *DANUBE_LED_CON0 &= 0x7FFFFFFF;
-#endif
-
up(&led_sem);
return 0;
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;
+}
+
+static int
+led_release (struct inode *inode, struct file *file)
+{
+ return 0;
+}
+
+static struct file_operations led_fops = {
+ owner: THIS_MODULE,
+ ioctl: led_ioctl,
+ open: led_open,
+ release: led_release
+};
+
+static struct miscdevice led_miscdev = {
+ 151,
+ "led",
+ &led_fops,
+ NULL,
+ NULL,
+ NULL
+};
int __init
danube_led_init (void)
/*
* Set default value to registers to turn off all LED light.
*/
- *DANUBE_LED_AR = LED_AR_DEFAULT_VALUE;
- *DANUBE_LED_CPU0 = LED_LED_CPU0_DEFAULT_VALUE;
- *DANUBE_LED_CPU1 = LED_LED_CPU1_DEFAULT_VALUE;
- *DANUBE_LED_CON1 = LED_CON1_DEFAULT_VALUE;
- *DANUBE_LED_CON0 = LED_CON0_DEFAULT_VALUE;
-
-#if defined(DEBUG_ON_AMAZON) && DEBUG_ON_AMAZON
- *DANUBE_LED_CON0 &= 0x7FFFFFFF;
-#endif
+ *DANUBE_LED_AR = 0x0;
+ *DANUBE_LED_CPU0 = 0x0;
+ *DANUBE_LED_CPU1 = 0x0;
+ *DANUBE_LED_CON1 = 0x0;
+ *DANUBE_LED_CON0 = (0x80000000 | (DATA_CLOCKING_EDGE << 26));
disable_led();
up(&led_sem);
-#if BOARD_TYPE == REFERENCE_BOARD
/* Add to enable hardware relay */
/* Map for LED on reference board
WLAN_READ LED11 OUT1 15
param.data_mask = 1 << 4;
param.data = 1 << 4;
danube_led_config(¶m);
-#endif
// by default, update by FSC clock (FPID)
param.operation_mask = CONFIG_OPERATION_UPDATE_CLOCK;
projects / librecmc / librecmc.git / commitdiff