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#include <linux/init.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/errno.h>
#include <linux/types.h>
#include <linux/fcntl.h>
#include <linux/miscdevice.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <plat/gpio-cfg.h>
#include <plat/gpio-core.h>
#include <mach/regs-gpio.h>
#include <mach/gpio.h>
#include "fc8100.h"
#include "bbm.h"
#include "fci_oal.h"
#define FC8100_NAME "isdbt"
int dmb_open (struct inode *inode, struct file *filp);
loff_t dmb_llseek (struct file *filp, loff_t off, int whence);
ssize_t dmb_read (struct file *filp, char *buf, size_t count, loff_t *f_pos);
ssize_t dmb_write (struct file *filp, const char *buf, size_t count, loff_t *f_pos);
static long dmb_ioctl (struct file *filp, unsigned int cmd, unsigned long arg);
int dmb_release (struct inode *inode, struct file *filp);
/* GPIO Setting */
void dmb_hw_setting(void);
void dmb_hw_init(void);
void dmb_hw_deinit(void);
static struct file_operations dmb_fops = {
.owner = THIS_MODULE,
.llseek = dmb_llseek,
.read = dmb_read,
.write = dmb_write,
.unlocked_ioctl = dmb_ioctl,
.open = dmb_open,
.release = dmb_release,
};
static struct miscdevice fc8100_misc_device = {
.minor = MISC_DYNAMIC_MINOR,
.name = FC8100_NAME,
.fops = &dmb_fops,
};
int dmb_open (struct inode *inode, struct file *filp)
{
int num = MINOR(inode->i_rdev);
/* ISDBT PWR ENABLE FOR I2C*/
dmb_hw_setting();
dmb_hw_init();
PRINTF(0, "dmb open -> minor : %d\n", num);
return 0;
}
loff_t dmb_llseek (struct file *filp, loff_t off, int whence)
{
PRINTF(0, "dmb llseek -> off : %08X, whence : %08X\n", off, whence);
return 0x23;
}
ssize_t dmb_read (struct file *filp, char *buf, size_t count, loff_t *f_pos)
{
PRINTF(0, "dmb read -> buf : %08X, count : %08X \n", buf, count);
return 0x33;
}
ssize_t dmb_write (struct file *filp, const char *buf, size_t count, loff_t *f_pos)
{
PRINTF(0, "dmb write -> buf : %08X, count : %08X \n", buf, count);
return 0x43;
}
static long dmb_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
{
s32 res = BBM_NOK;
int status = 0;
int status_usr = 0;
ioctl_info info;
int size;
if (_IOC_TYPE(cmd) != IOCTL_MAGIC)
return -EINVAL;
if (_IOC_NR(cmd) >= IOCTL_MAXNR)
return -EINVAL;
size = _IOC_SIZE(cmd);
switch (cmd) {
case IOCTL_DMB_RESET:
res = BBM_RESET(0);
break;
case IOCTL_DMB_INIT:
res = BBM_INIT(0);
break;
case IOCTL_DMB_BYTE_READ:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_BYTE_READ(0, (u16)info.buff[0], (u8 *)(&info.buff[1]));
status_usr = copy_to_user((void *)arg, (void *)&info, size);
break;
case IOCTL_DMB_WORD_READ:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_WORD_READ(0, (u16)info.buff[0], (u16 *)(&info.buff[1]));
status_usr = copy_to_user((void *)arg, (void *)&info, size);
break;
case IOCTL_DMB_LONG_READ:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_LONG_READ(0, (u16)info.buff[0], (u32 *)(&info.buff[1]));
status_usr = copy_to_user((void *)arg, (void *)&info, size);
break;
case IOCTL_DMB_BULK_READ:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_BULK_READ(0, (u16)info.buff[0], (u8 *)(&info.buff[2]), info.buff[1]);
status_usr = copy_to_user((void *)arg, (void *)&info, size);
break;
case IOCTL_DMB_BYTE_WRITE:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_BYTE_WRITE(0, (u16)info.buff[0], (u8)info.buff[1]);
break;
case IOCTL_DMB_WORD_WRITE:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_WORD_WRITE(0, (u16)info.buff[0], (u16)info.buff[1]);
break;
case IOCTL_DMB_LONG_WRITE:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_LONG_WRITE(0, (u16)info.buff[0], (u32)info.buff[1]);
break;
case IOCTL_DMB_BULK_WRITE:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_BULK_WRITE(0, (u16)info.buff[0], (u8 *)(&info.buff[2]), info.buff[1]);
break;
case IOCTL_DMB_TUNER_SELECT:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_TUNER_SELECT(0, (u32)info.buff[0], 0);
break;
case IOCTL_DMB_TUNER_READ:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_TUNER_READ(0, (u8)info.buff[0], (u8)info.buff[1], (u8 *)(&info.buff[3]), (u8)info.buff[2]);
status_usr = copy_to_user((void *)arg, (void *)&info, size);
break;
case IOCTL_DMB_TUNER_WRITE:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_TUNER_WRITE(0, (u8)info.buff[0], (u8)info.buff[1], (u8 *)(&info.buff[3]), (u8)info.buff[2]);
break;
case IOCTL_DMB_TUNER_SET_FREQ:
status = copy_from_user((void *)&info, (void *)arg, size);
res = BBM_TUNER_SET_FREQ(0, (u8)info.buff[0]);
break;
case IOCTL_DMB_POWER_ON:
PRINTF(0, "DMB_POWER_ON enter..\n");
dmb_hw_init();
break;
case IOCTL_DMB_POWER_OFF:
PRINTF(0, "DMB_POWER_OFF enter..\n");
dmb_hw_deinit();
break;
}
if ((status < 0) || (status_usr < 0)) {
PRINTF(0, " copy to user or copy from user : ERROR..\n");
return -EINVAL;
}
/* return status */
if (res < 0)
res = -BBM_NOK;
else
res = BBM_OK;
return res;
}
int dmb_release(struct inode *inode, struct file *filp)
{
/* ISDBT PWR ENABLE FOR I2C*/
PRINTF(0, "dmb release\n");
return 0;
}
void dmb_hw_setting(void)
{
s3c_gpio_cfgpin(GPIO_ISDBT_SDA_28V, S3C_GPIO_INPUT);
s3c_gpio_setpull(GPIO_ISDBT_SDA_28V, S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(GPIO_ISDBT_SCL_28V, S3C_GPIO_INPUT);
s3c_gpio_setpull(GPIO_ISDBT_SCL_28V, S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(GPIO_ISDBT_PWR_EN, S3C_GPIO_OUTPUT);
gpio_set_value(GPIO_ISDBT_PWR_EN, GPIO_LEVEL_LOW);
s3c_gpio_cfgpin(GPIO_ISDBT_RST, S3C_GPIO_OUTPUT);
gpio_set_value(GPIO_ISDBT_RST, GPIO_LEVEL_HIGH);
}
void dmb_init_hw_setting(void)
{
s3c_gpio_cfgpin(GPIO_ISDBT_SDA_28V, S3C_GPIO_INPUT);
s3c_gpio_setpull(GPIO_ISDBT_SDA_28V, S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(GPIO_ISDBT_SCL_28V, S3C_GPIO_INPUT);
s3c_gpio_setpull(GPIO_ISDBT_SCL_28V, S3C_GPIO_PULL_NONE);
s3c_gpio_cfgpin(GPIO_ISDBT_PWR_EN, S3C_GPIO_OUTPUT);
gpio_set_value(GPIO_ISDBT_PWR_EN, GPIO_LEVEL_LOW);
s3c_gpio_cfgpin(GPIO_ISDBT_RST, S3C_GPIO_OUTPUT);
gpio_set_value(GPIO_ISDBT_RST, GPIO_LEVEL_LOW);
}
void dmb_hw_init(void)
{
mdelay(1);
gpio_set_value(GPIO_ISDBT_PWR_EN, GPIO_LEVEL_HIGH);
mdelay(1);
gpio_set_value(GPIO_ISDBT_RST, GPIO_LEVEL_HIGH);
mdelay(100);
}
void dmb_hw_deinit(void)
{
mdelay(1);
gpio_set_value(GPIO_ISDBT_RST, GPIO_LEVEL_LOW);
mdelay(1);
gpio_set_value(GPIO_ISDBT_PWR_EN, GPIO_LEVEL_LOW);
mdelay(100);
}
int dmb_init(void)
{
int result;
PRINTF(0, "dmb dmb_init\n");
dmb_init_hw_setting();
/*
dmb_hw_init();
*/
/*misc device registration*/
result = misc_register(&fc8100_misc_device);
if (result < 0)
return result;
BBM_HOSTIF_SELECT(0, BBM_I2C);
dmb_hw_deinit();
return 0;
}
void dmb_exit(void)
{
PRINTF(0, "dmb dmb_exit\n");
BBM_HOSTIF_DESELECT(0);
dmb_hw_deinit();
/*misc device deregistration*/
misc_deregister(&fc8100_misc_device);
}
module_init(dmb_init);
module_exit(dmb_exit);
MODULE_LICENSE("Dual BSD/GPL");
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