Пример #1
0
int  hi6xxx_pmic_set_voltage(struct hi6xxx_regulator_vset_regs *vset_regs,
                             unsigned int mask,int shift,int index)
{

    unsigned char value_u8 = 0;
    unsigned int value_u32 = 0;
    unsigned long regulator_spin_flag = 0;
    
    /*
     * the spin-lock just for actomic option
     */    
    spin_lock_irqsave(&regulator_pmic_spinlock, regulator_spin_flag);   
    /*
     * though value_u32 is 0,and high 24 bits is 0;
     * we also only get low 8 bits.
     */
    value_u32 = (unsigned int)hi6xxx_pmic_reg_read(vset_regs->vset_reg)&0xff;
    BSP_REG_SETBITS(&value_u32,0,shift,mask,index);
    value_u8  = (unsigned char)value_u32;
    hi6xxx_pmic_reg_write(vset_regs->vset_reg,value_u8);

    spin_unlock_irqrestore(&regulator_pmic_spinlock, regulator_spin_flag);

    return 0;
}
Пример #2
0
static void hi6xxx_save_shutdown_time(void)
{
    unsigned int  save;
    unsigned int  msecs = 0;

    if ( hi6xxx_shutdown_time_start != 0){
        msecs = jiffies_to_msecs(jiffies - hi6xxx_shutdown_time_start);
        save = (unsigned int)(msecs/1000) + 1;
        if(save > 0xff)
	        save = 0xff;
        hi6xxx_pmic_reg_write(PMU_RSVED7,(unsigned char)save);

    } else {
        hi6xxx_pmic_reg_write(PMU_RSVED7, 0x0);
    }
}
Пример #3
0
int hi6xxx_pmic_off(struct hi6xxx_regulator_ctrl_regs *ctrl_regs,unsigned int mask,int shift,int flag)
{
    unsigned char value_u8 = 0;
    unsigned int value_u32 = 0;
    unsigned long regulator_spin_flag = 0;

    /*
     * the spin-lock just for actomic option
     */    
    spin_lock_irqsave(&regulator_pmic_spinlock, regulator_spin_flag);
    /*
     * though value_u32 is 0,and high 24 bits is 0;
     * we also only get low 8 bits.
     */
    BSP_REG_SETBITS(&value_u32,0,shift,mask,flag);
    value_u8  = (unsigned char)value_u32;
    hi6xxx_pmic_reg_write(ctrl_regs->disable_reg,value_u8);
    
    spin_unlock_irqrestore(&regulator_pmic_spinlock, regulator_spin_flag);

    return 0;
}