int da9053_suspend_cmd_sw(void)
{
unsigned char buf[2] = {0, 0};
struct clk *i2c_clk;
u8 data;
buf[0] = 29;
i2c_clk = clk_get(NULL, "i2c_clk");
if (IS_ERR(i2c_clk)) {
pr_err("unable to get i2c clk\n");
return PTR_ERR(i2c_clk);
}
clk_enable(i2c_clk);
pm_da9053_preset_voltage();
pm_da9053_read_reg(DA9052_ID01_REG, &data);
data &= ~(DA9052_ID01_DEFSUPPLY | DA9052_ID01_nRESMODE);
pm_da9053_write_reg(DA9052_ID01_REG, data);
pm_da9053_write_reg(DA9052_SEQB_REG, DA9053_SLEEP_DELAY);
pm_da9053_read_reg(DA9052_CONTROLB_REG, &data);
data |= DA9052_CONTROLB_DEEPSLEEP;
pm_da9053_write_reg(DA9052_CONTROLB_REG, data);
clk_disable(i2c_clk);
clk_put(i2c_clk);
return 0;
}
static void pm_da9053_preset_voltage(void)
{
u8 reg, data;
for (reg = DA9052_BUCKCORE_REG;
reg <= DA9052_LDO10_REG; reg++) {
pm_da9053_read_reg(reg, &data);
volt_settings[reg - DA9052_BUCKCORE_REG] = data;
data |= CONF_BIT;
pm_da9053_write_reg(reg, data);
}
pm_da9053_write_reg(DA9052_BUCKCORE_REG, BUCKCORE_SUSPEND_PRESET);
pm_da9053_write_reg(DA9052_BUCKPRO_REG, BUCKPRO_SUSPEND_PRESET);
pm_da9053_write_reg(DA9052_LDO6_REG, LDO6_SUSPEND_PRESET);
pm_da9053_write_reg(DA9052_LDO10_REG, iLDO10_SUSPEND_PRESET);
}
void da9053_restore_volt_settings(void)
{
u8 reg;
for (reg = DA9052_BUCKCORE_REG;
reg <= DA9052_LDO10_REG; reg++)
pm_da9053_write_reg(reg,
volt_settings[reg - DA9052_BUCKCORE_REG]);
}
int da9053_restore_volt_settings(void)
{
u8 data;
struct clk *i2c_clk;
i2c_clk = clk_get(NULL, "i2c_clk");
if (IS_ERR(i2c_clk)) {
pr_err("unable to get i2c clk\n");
return PTR_ERR(i2c_clk);
}
clk_enable(i2c_clk);
pm_da9053_write_reg(DA9052_ID1213_REG, BUCKPERI_RESTORE_SW_STEP);
pm_da9053_read_reg(DA9052_SUPPLY_REG, &data);
data |= SUPPLY_RESTORE_VPERISW_EN;
pm_da9053_write_reg(DA9052_SUPPLY_REG, data);
clk_disable(i2c_clk);
clk_put(i2c_clk);
return 0;
}
int da9053_suspend_cmd_hw(void)
{
unsigned char buf[2] = {0, 0};
struct clk *i2c_clk;
u8 data;
buf[0] = 29;
i2c_clk = clk_get(NULL, "i2c_clk");
if (IS_ERR(i2c_clk)) {
pr_err("unable to get i2c clk\n");
return PTR_ERR(i2c_clk);
}
clk_enable(i2c_clk);
pm_da9053_read_reg(DA9052_IRQMASKB_REG, &data);
data |= DA9052_IRQ_MASKB_ONKEY;
pm_da9053_write_reg(DA9052_IRQMASKB_REG, data);
pm_da9053_preset_voltage();
pm_da9053_write_reg(DA9052_CONTROLC_REG,
DA9052_CONTROLC_SMD_SET);
pm_da9053_read_reg(DA9052_ID01_REG, &data);
data &= ~(DA9052_ID01_DEFSUPPLY | DA9052_ID01_nRESMODE);
pm_da9053_write_reg(DA9052_ID01_REG, data);
pm_da9053_write_reg(DA9052_GPIO0809_REG,
DA9052_GPIO0809_SMD_SET);
pm_da9053_read_reg(DA9052_IRQMASKD_REG, &data);
data |= DA9052_GPI9_IRQ_MASK;
pm_da9053_write_reg(DA9052_IRQMASKD_REG, data);
pm_da9053_read_reg(DA9052_ID1415_REG, &data);
data &= 0xf0;
data |= DA9052_ID1415_SMD_SET;
pm_da9053_write_reg(DA9052_ID1415_REG, data);
pm_da9053_write_reg(DA9052_SEQTIMER_REG, 0);
/* pm_da9053_write_reg(DA9052_SEQB_REG, 0x1f); */
pm_da9053_read_reg(DA9052_IRQMASKB_REG, &data);
data &= ~DA9052_IRQ_MASKB_ONKEY;
pm_da9053_write_reg(DA9052_IRQMASKB_REG, data);
clk_disable(i2c_clk);
clk_put(i2c_clk);
return 0;
}
int da9053_poweroff_cmd(void)
{
unsigned char buf[2] = {0, 0};
struct clk *i2c_clk;
u8 data;
buf[0] = 29;
i2c_clk = clk_get(NULL, "i2c_clk");
if (IS_ERR(i2c_clk)) {
pr_err("unable to get i2c clk\n");
return PTR_ERR(i2c_clk);
}
clk_enable(i2c_clk);
pm_da9053_read_reg(DA9052_CONTROLB_REG, &data);
data |= DA9052_CONTROLB_SHUTDOWN;
pm_da9053_write_reg(DA9052_CONTROLB_REG, data);
clk_disable(i2c_clk);
clk_put(i2c_clk);
return 0;
}
