S32 get_gpio_input(U32 pin_num)
{
U32 module_num = pin_num/NUM_OF_BITS_IN_REG + 1;
/* GPIO module to which the GPIO pin number belongs to */
U32 snum = (module_num-1)*NUM_OF_BITS_IN_REG;
U32 offset = pin_num - snum;
/* position of the pin in the respective gpio module */
U32 data = 0;
S32 ret_val = OMAPFLASH_DAL_ERROR;
/* check whether the gpio number is valid */
/* if yes continue else return*/
ret_val = check_gpio_pin_num(pin_num);
if(ret_val != OMAPFLASH_SUCCESS)
{
dbg_print(DBG_LEVEL_INFO, "wrong gpio-pin number \r\n");
return(ret_val);
}
/* call this function to read the value at the particular pin
of the corresponding module */
gpio_read_input_pin(module_num,(1<<offset), &data);
data = data >> offset;
/* return from this function*/
// Commented out in order for CPLD flashing to be speeded up
// dbg_print(DBG_LEVEL_INFO,
// "read the data at gpio pin %d \n",pin_num);
return(data);
}
S32 get_gpio_input(U32 pin_num)
{
U8 module_num = pin_num / NUM_OF_BITS_IN_REG + 1;
/* GPIO module to which the GPIO pin number belongs to */
U32 snum = (module_num - 1) * NUM_OF_BITS_IN_REG;
U32 offset = pin_num - snum;
/* position of the pin in the respective gpio module */
U32 data = 0;
S32 ret_val = FAILURE;
/* check whether the gpio number is valid */
/* if yes continue else return */
ret_val = check_gpio_pin_num(pin_num);
if (ret_val != SUCCESS) {
fprintf(stdout, "wrong gpio-pin number \r\n");
return (ret_val);
}
/* call this function to read the value at the particular pin
of the corresponding module */
gpio_read_input_pin(module_num, (1 << offset), &data);
data = data >> offset;
/* return from this function */
#ifdef OMAP3530_DEBUG
DEBUG("read the data at gpio pin %d \n", pin_num);
#endif
return (data);
}
