static int twlreg_disable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp;
int ret;
grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
if (grp < 0)
return grp;
/* For 6030, set the off state for all grps enabled */
if (twl_class_is_6030()) {
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
(grp & (P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030)) <<
TWL6030_CFG_STATE_GRP_SHIFT |
TWL6030_CFG_STATE_OFF);
if (ret)
return ret;
}
if (twl_class_is_4030())
grp &= ~(P1_GRP_4030 | P2_GRP_4030 | P3_GRP_4030);
else
grp &= ~(P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030);
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp);
/* Next, associate cleared grp in state register */
if (!ret && twl_class_is_6030())
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
grp << TWL6030_CFG_STATE_GRP_SHIFT |
TWL6030_CFG_STATE_OFF);
return ret;
}
static int twl6030reg_enable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp = 0;
int ret;
if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
if (grp < 0)
return grp;
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
grp << TWL6030_CFG_STATE_GRP_SHIFT |
TWL6030_CFG_STATE_ON);
/*
* Ensure it stays in Auto mode when we enter suspend state.
* (TWL6030 in sleep mode).
*/
if (!ret)
ret = twl6030reg_set_trans_state(rdev,
TWL6030_CFG_TRANS_SLEEP_SHIFT,
TWL6030_CFG_TRANS_STATE_AUTO);
udelay(info->delay);
return ret;
}
static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp = 0;
int val;
if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
grp = twlreg_grp(rdev);
if (grp < 0)
return grp;
/* Compose the state register settings */
val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
/* We can only set the mode through state machine commands... */
switch (mode) {
case REGULATOR_MODE_NORMAL:
val |= TWL6030_CFG_STATE_ON;
break;
case REGULATOR_MODE_STANDBY:
val |= TWL6030_CFG_STATE_SLEEP;
break;
default:
return -EINVAL;
}
return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
}
static int twlreg_enable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp;
int ret;
grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
if (grp < 0)
return grp;
if (twl_class_is_4030())
grp |= P1_GRP_4030;
else
grp |= P1_GRP_6030;
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp);
if (!ret && twl_class_is_6030())
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
grp << TWL6030_CFG_STATE_GRP_SHIFT |
TWL6030_CFG_STATE_ON);
udelay(info->delay);
return ret;
}
static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp = 0;
int val;
if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
if (grp < 0)
return grp;
val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
switch (mode) {
case REGULATOR_MODE_NORMAL:
val |= TWL6030_CFG_STATE_ON;
break;
case REGULATOR_MODE_STANDBY:
val |= TWL6030_CFG_STATE_SLEEP;
break;
default:
return -EINVAL;
}
return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
}
static int twl6030reg_is_enabled(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp = 0, val;
if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP);
if (grp < 0)
return grp;
if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
grp &= P1_GRP_6030;
else
grp = 1;
val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
val = TWL6030_CFG_STATE_APP(val);
return grp && (val == TWL6030_CFG_STATE_ON);
}
/*
* Disable all TWL RTC module interrupts.
* Sets status flag to free.
*/
static int twl_rtc_remove(struct platform_device *pdev)
{
/* leave rtc running, but disable irqs */
mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
if (twl_class_is_6030()) {
twl6030_interrupt_mask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_LINE_A);
twl6030_interrupt_mask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_STS_A);
}
return 0;
}
int twl6030_mmc_card_detect_config(void)
{
int ret;
u8 reg_val = 0;
/* Unmasking the Card detect Interrupt line for MMC1 from Phoenix */
if (twl_class_is_6030()) {
twl6030_interrupt_unmask(TWL6030_MMCDETECT_INT_MASK,
REG_INT_MSK_LINE_B);
twl6030_interrupt_unmask(TWL6030_MMCDETECT_INT_MASK,
REG_INT_MSK_STS_B);
}
/*
* Intially Configuring MMC_CTRL for receving interrupts &
* Card status on TWL6030 for MMC1
*/
ret = twl_i2c_read_u8(TWL6030_MODULE_ID0, ®_val, TWL6030_MMCCTRL);
if (ret < 0) {
pr_err("twl6030: Failed to read MMCCTRL, error %d\n", ret);
return ret;
}
reg_val &= ~VMMC_AUTO_OFF;
reg_val |= SW_FC;
ret = twl_i2c_write_u8(TWL6030_MODULE_ID0, reg_val, TWL6030_MMCCTRL);
if (ret < 0) {
return ret;
pr_err("twl6030: Failed to write MMCCTRL, error %d\n", ret);
}
/* Configuring PullUp-PullDown register */
ret = twl_i2c_read_u8(TWL6030_MODULE_ID0, ®_val,
TWL6030_CFG_INPUT_PUPD3);
if (ret < 0) {
return ret;
pr_err("twl6030: Failed to read CFG_INPUT_PUPD3, error %d\n",
ret);
}
reg_val &= ~(MMC_PU | MMC_PD);
ret = twl_i2c_write_u8(TWL6030_MODULE_ID0, reg_val,
TWL6030_CFG_INPUT_PUPD3);
if (ret < 0) {
pr_err("twl6030: Failed to write CFG_INPUT_PUPD3, error %d\n",
ret);
return ret;
}
return 0;
}
static int twl6030reg_enable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp = 0;
int ret;
if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
grp = twlreg_grp(rdev);
if (grp < 0)
return grp;
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
grp << TWL6030_CFG_STATE_GRP_SHIFT |
TWL6030_CFG_STATE_ON);
return ret;
}
static int twl6030reg_disable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp = 0;
int ret;
if (!(twl_class_is_6030() && (info->features & TWL6025_SUBCLASS)))
grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
/* For 6030, set the off state for all grps enabled */
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
(grp) << TWL6030_CFG_STATE_GRP_SHIFT |
TWL6030_CFG_STATE_OFF);
return ret;
}
static int twlreg_get_status(struct regulator_dev *rdev)
{
int state = twlreg_grp(rdev);
if (twl_class_is_6030())
return 0; /* FIXME return for 6030 regulator */
if (state < 0)
return state;
state &= 0x0f;
/* assume state != WARM_RESET; we'd not be running... */
if (!state)
return REGULATOR_STATUS_OFF;
return (state & BIT(3))
? REGULATOR_STATUS_NORMAL
: REGULATOR_STATUS_STANDBY;
}
/**
* omap_twl_vsel_to_vdc - convert TWL/TPS VSEL value to microvolts DC
* @vsel: TWL/TPS VSEL value to convert
*
* Returns the microvolts DC that the TWL/TPS family of PMICs should
* generate when programmed with @vsel.
*/
unsigned long omap_twl_vsel_to_uv(const u8 vsel)
{
if (twl_class_is_6030()) {
if (!is_offset_valid) {
twl_i2c_read_u8(TWL6030_MODULE_ID0, &smps_offset, 0xE0);
is_offset_valid = true;
}
if (smps_offset & 0x8) {
return ((((vsel - 1) * 125) + 7000)) * 100;
} else {
if (vsel == 0x3A)
return 1350000;
return ((((vsel - 1) * 125) + 6000)) * 100;
}
}
return (((vsel * 125) + 6000)) * 100;
}
/**
* omap_twl_uv_to_vsel - convert microvolts DC to TWL/TPS VSEL value
* @uv: microvolts DC to convert
*
* Returns the VSEL value necessary for the TWL/TPS family of PMICs to
* generate an output voltage equal to or greater than @uv microvolts DC.
*/
u8 omap_twl_uv_to_vsel(unsigned long uv)
{
/* Round up to higher voltage */
if (twl_class_is_6030()) {
if (!is_offset_valid) {
twl_i2c_read_u8(TWL6030_MODULE_ID0, &smps_offset, 0xE0);
is_offset_valid = true;
}
if (smps_offset & 0x8) {
return DIV_ROUND_UP(uv - 700000, 12500) + 1;
} else {
if (uv == 1350000)
return 0x3A;
return DIV_ROUND_UP(uv - 600000, 12500) + 1;
}
}
return DIV_ROUND_UP(uv - 600000, 12500);
}
static int twl6030reg_disable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
int grp = 0;
int ret;
if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
/* For 6030, set the off state for all grps enabled */
ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
(grp) << TWL6030_CFG_STATE_GRP_SHIFT |
TWL6030_CFG_STATE_OFF);
/* Ensure it remains OFF when we enter suspend (TWL6030 in sleep). */
if (!ret)
ret = twl6030reg_set_trans_state(rdev,
TWL6030_CFG_TRANS_SLEEP_SHIFT,
TWL6030_CFG_TRANS_STATE_OFF);
return ret;
}
/*
* Disable all TWL RTC module interrupts.
* Sets status flag to free.
*/
static int __devexit twl_rtc_remove(struct platform_device *pdev)
{
/* leave rtc running, but disable irqs */
struct rtc_device *rtc = platform_get_drvdata(pdev);
int irq = platform_get_irq(pdev, 0);
mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_ALARM_M);
mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
if (twl_class_is_6030()) {
twl6030_interrupt_mask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_LINE_A);
twl6030_interrupt_mask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_STS_A);
}
free_irq(irq, rtc);
rtc_device_unregister(rtc);
platform_set_drvdata(pdev, NULL);
return 0;
}
static int twlreg_set_mode(struct regulator_dev *rdev, unsigned mode)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
unsigned message;
int status;
if (twl_class_is_6030())
return 0; /* FIXME return for 6030 regulator */
/* We can only set the mode through state machine commands... */
switch (mode) {
case REGULATOR_MODE_NORMAL:
message = MSG_SINGULAR(DEV_GRP_P1, info->id, RES_STATE_ACTIVE);
break;
case REGULATOR_MODE_STANDBY:
message = MSG_SINGULAR(DEV_GRP_P1, info->id, RES_STATE_SLEEP);
break;
default:
return -EINVAL;
}
/* Ensure the resource is associated with some group */
status = twlreg_grp(rdev);
if (status < 0)
return status;
if (!(status & (P3_GRP_4030 | P2_GRP_4030 | P1_GRP_4030)))
return -EACCES;
status = twl_i2c_write_u8(TWL_MODULE_PM_MASTER,
message >> 8, 0x15 /* PB_WORD_MSB */ );
if (status >= 0)
return status;
return twl_i2c_write_u8(TWL_MODULE_PM_MASTER,
message, 0x16 /* PB_WORD_LSB */ );
}
static int __devinit twl_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
int ret = -EINVAL;
int irq = platform_get_irq(pdev, 0);
u8 rd_reg;
if (irq <= 0)
goto out1;
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
if (rd_reg & BIT_RTC_STATUS_REG_POWER_UP_M)
dev_warn(&pdev->dev, "Power up reset detected.\n");
if (rd_reg & BIT_RTC_STATUS_REG_ALARM_M)
dev_warn(&pdev->dev, "Pending Alarm interrupt detected.\n");
/* Clear RTC Power up reset and pending alarm interrupts */
ret = twl_rtc_write_u8(rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
if (twl_class_is_6030()) {
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_LINE_A);
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_STS_A);
}
/* Check RTC module status, Enable if it is off */
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG);
if (ret < 0)
goto out1;
if (!(rd_reg & BIT_RTC_CTRL_REG_STOP_RTC_M)) {
dev_info(&pdev->dev, "Enabling TWL-RTC.\n");
rd_reg = BIT_RTC_CTRL_REG_STOP_RTC_M;
ret = twl_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG);
if (ret < 0)
goto out1;
}
/* init cached IRQ enable bits */
ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
if (ret < 0)
goto out1;
rtc = rtc_device_register(pdev->name,
&pdev->dev, &twl_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
ret = PTR_ERR(rtc);
dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
PTR_ERR(rtc));
goto out1;
}
ret = request_threaded_irq(irq, NULL, twl_rtc_interrupt,
IRQF_TRIGGER_RISING,
dev_name(&rtc->dev), rtc);
if (ret < 0) {
dev_err(&pdev->dev, "IRQ is not free.\n");
goto out2;
}
if (enable_irq_wake(irq) < 0)
dev_warn(&pdev->dev, "Cannot enable wakeup for IRQ %d\n", irq);
platform_set_drvdata(pdev, rtc);
return 0;
out2:
rtc_device_unregister(rtc);
out1:
return ret;
}
/**
* omap_twl_*_cmd - Generate the twl command given the vsel value
* vsel: TWL/TPS VSEL value to be embedded in the cmd
*
* Returns the CMD value to be programmed in the TWL6030 command register
* The CMD register on twl6030 is defined as below
* <Bit 7:6> | <Bit 5:0>
* <Command> | <vsel/voltage value>
*
* Where value of command can be the following
* 00: ON Force Voltage: The power resource is set in ON mode with the voltage
* value defined in the 6 LSB bits of the command register VCORE*_CFG_FORCE
* 01: ON: The power resource is set in ON mode with the voltage value defined
* in the VCORE1/2/3_CFG_VOLTAGE voltage register
* 10: SLEEP Force Voltage: The power resource is set in SLEEP mode with the
* voltage value defined in the 6 LSB bits of the command register
* VCORE*_CFG_FORCE
* 11: SLEEP: The power resource is set in SLEEP mode with the voltage value
* defined in the VCORE*_CFG_VOLTAGE voltage register
*/
u8 omap_twl_onforce_cmd(const u8 vsel)
{
if (!twl_class_is_6030())
return vsel;
return (0x0 << 6) | (vsel & 0x3f);
}
static int __devinit twl_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
int ret = 0;
int irq = platform_get_irq(pdev, 0);
u8 rd_reg;
unsigned char rtc_init_year;
unsigned char rtc_init_month;
unsigned char rtc_init_day;
unsigned char roll_back_date=0;
if (irq <= 0)
return -EINVAL;
rtc = rtc_device_register(pdev->name,
&pdev->dev, &twl_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
ret = PTR_ERR(rtc);
dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
PTR_ERR(rtc));
goto out0;
}
platform_set_drvdata(pdev, rtc);
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
if (rd_reg & BIT_RTC_STATUS_REG_POWER_UP_M)
dev_warn(&pdev->dev, "Power up reset detected.\n");
if (rd_reg & BIT_RTC_STATUS_REG_ALARM_M)
dev_warn(&pdev->dev, "Pending Alarm interrupt detected.\n");
/* Clear RTC Power up reset and pending alarm interrupts */
ret = twl_rtc_write_u8(rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
ret = request_threaded_irq(irq, NULL,twl_rtc_interrupt,
IRQF_TRIGGER_RISING,
dev_name(&rtc->dev), rtc);
if (ret < 0) {
dev_err(&pdev->dev, "IRQ is not free.\n");
goto out1;
}
if (twl_class_is_6030()) {
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_LINE_A);
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_STS_A);
}
/* Check RTC module status, Enable if it is off */
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG);
if (ret < 0)
goto out2;
if (!(rd_reg & BIT_RTC_CTRL_REG_STOP_RTC_M)) {
dev_info(&pdev->dev, "Enabling TWL-RTC.\n");
rd_reg = BIT_RTC_CTRL_REG_STOP_RTC_M;
ret = twl_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG);
if (ret < 0)
goto out2;
}
ret = twl_rtc_read_u8(&rtc_init_year, REG_YEARS_REG);
ret = twl_rtc_read_u8(&rtc_init_month, REG_MONTHS_REG);
ret = twl_rtc_read_u8(&rtc_init_day, REG_DAYS_REG);
if(rtc_init_year<0x11)
{
roll_back_date=1;
}
else if((rtc_init_year==0x11)&&(rtc_init_month==0x01))
{
roll_back_date=1;
}
/* init cached IRQ enable bits */
ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
if (ret < 0)
goto out2;
return ret;
out2:
free_irq(irq, rtc);
out1:
rtc_device_unregister(rtc);
out0:
return ret;
}
static int __devinit twl_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
int ret = 0;
int irq = platform_get_irq(pdev, 0);
u8 rd_reg;
//COMMON_L1 [email protected] RTC_2011_2_1_SET
//AO¨öA AU¥ìaAO UI ¢¯¢®¨ù¡© A¢´¨öA ¨ùoA¢´¥ìC¢¬e ¡íeA| ¢¯a¢¬A
unsigned char rtc_init_year;
unsigned char rtc_init_month;
unsigned char rtc_init_day;
unsigned char roll_back_date=0;
if (irq <= 0)
return -EINVAL;
rtc = rtc_device_register(pdev->name,
&pdev->dev, &twl_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
ret = PTR_ERR(rtc);
dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
PTR_ERR(rtc));
goto out0;
}
platform_set_drvdata(pdev, rtc);
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
if (rd_reg & BIT_RTC_STATUS_REG_POWER_UP_M)
dev_warn(&pdev->dev, "Power up reset detected.\n");
if (rd_reg & BIT_RTC_STATUS_REG_ALARM_M)
dev_warn(&pdev->dev, "Pending Alarm interrupt detected.\n");
/* Clear RTC Power up reset and pending alarm interrupts */
ret = twl_rtc_write_u8(rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
//Jags_13_04_11 RTC Randome Wakeup Fail Fix ++
ret = request_threaded_irq(irq, NULL,twl_rtc_interrupt,
IRQF_TRIGGER_RISING,
dev_name(&rtc->dev), rtc);
//Jags_13_04_11 RTC Randome Wakeup Fail Fix --
/*
ret = request_irq(irq, twl_rtc_interrupt,
IRQF_TRIGGER_RISING,
dev_name(&rtc->dev), rtc);
*/
if (ret < 0) {
dev_err(&pdev->dev, "IRQ is not free.\n");
goto out1;
}
if (twl_class_is_6030()) {
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_LINE_A);
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_STS_A);
}
/* Check RTC module status, Enable if it is off */
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG);
if (ret < 0)
goto out2;
if (!(rd_reg & BIT_RTC_CTRL_REG_STOP_RTC_M)) {
dev_info(&pdev->dev, "Enabling TWL-RTC.\n");
rd_reg = BIT_RTC_CTRL_REG_STOP_RTC_M;
ret = twl_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG);
if (ret < 0)
goto out2;
}
//COMMON_L1 [email protected] RTC_2011_2_1_SET
//AO¨öA AU¥ìaAO UI ¢¯¢®¨ù¡© A¢´¨öA ¨ùoA¢´¥ìC¢¬e ¡íeA| ¢¯a¢¬A
ret = twl_rtc_read_u8(&rtc_init_year, REG_YEARS_REG);
ret = twl_rtc_read_u8(&rtc_init_month, REG_MONTHS_REG);
ret = twl_rtc_read_u8(&rtc_init_day, REG_DAYS_REG);
if(rtc_init_year<0x11)
{
roll_back_date=1;
}
else if((rtc_init_year==0x11)&&(rtc_init_month==0x01))
{
roll_back_date=1;
}
/* 2011-02-18 : Block for QM2 temporary, It should be considered in ATT SW
if(roll_back_date)
{
twl_rtc_write_u8(0x11,REG_YEARS_REG);
twl_rtc_write_u8(0x02,REG_MONTHS_REG);
twl_rtc_write_u8(0x01,REG_DAYS_REG);
}
*/
/* init cached IRQ enable bits */
ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
if (ret < 0)
goto out2;
return ret;
out2:
free_irq(irq, rtc);
out1:
rtc_device_unregister(rtc);
out0:
return ret;
}
u8 omap_twl_sleep_cmd(const u8 vsel)
{
if (!twl_class_is_6030())
return vsel;
return (0x3 << 6) | (vsel & 0x3f);
}
static int __devinit twl_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
int ret = 0;
int irq = platform_get_irq(pdev, 0);
u8 rd_reg;
if (irq <= 0)
return -EINVAL;
rtc = rtc_device_register(pdev->name,
&pdev->dev, &twl_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
ret = PTR_ERR(rtc);
dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
PTR_ERR(rtc));
goto out0;
}
platform_set_drvdata(pdev, rtc);
/* Starting backup batery charge - configuration 3v, 25uA */
ret = twl_i2c_write_u8(TWL4030_MODULE_PM_RECEIVER, 0x14, 0x12 /*BB_CFG*/);
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
if (rd_reg & BIT_RTC_STATUS_REG_POWER_UP_M)
dev_warn(&pdev->dev, "Power up reset detected.\n");
if (rd_reg & BIT_RTC_STATUS_REG_ALARM_M)
dev_warn(&pdev->dev, "Pending Alarm interrupt detected.\n");
/* Clear RTC Power up reset and pending alarm interrupts */
ret = twl_rtc_write_u8(rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
ret = request_irq(irq, twl_rtc_interrupt,
IRQF_TRIGGER_RISING,
dev_name(&rtc->dev), rtc);
if (ret < 0) {
dev_err(&pdev->dev, "IRQ is not free.\n");
goto out1;
}
if (twl_class_is_6030()) {
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_LINE_A);
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_STS_A);
}
/* Check RTC module status, Enable if it is off */
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_CTRL_REG);
if (ret < 0)
goto out2;
if (!(rd_reg & BIT_RTC_CTRL_REG_STOP_RTC_M)) {
dev_info(&pdev->dev, "Enabling TWL-RTC.\n");
rd_reg = BIT_RTC_CTRL_REG_STOP_RTC_M;
ret = twl_rtc_write_u8(rd_reg, REG_RTC_CTRL_REG);
if (ret < 0)
goto out2;
}
/* init cached IRQ enable bits */
ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
if (ret < 0)
goto out2;
#ifdef WORKQUEUE_RTC
omap_rtc_wq = create_workqueue(MY_WORK_QUEUE_NAME);
#endif
return ret;
out2:
free_irq(irq, rtc);
out1:
rtc_device_unregister(rtc);
out0:
return ret;
}
/*
* MMC Slot Initialization.
*/
static int twl_mmc_late_init(struct device *dev)
{
struct omap_mmc_platform_data *mmc = dev->platform_data;
int ret = 0;
int i;
/* MMC/SD/SDIO doesn't require a card detect switch */
if (!cpu_is_omap44xx()) {
if (gpio_is_valid(mmc->slots[0].switch_pin)) {
ret = gpio_request(mmc->slots[0].switch_pin, "mmc_cd");
if (ret)
goto done;
ret = gpio_direction_input(mmc->slots[0].switch_pin);
if (ret)
goto err;
}
}
/* require at least main regulator */
for (i = 0; i < ARRAY_SIZE(hsmmc); i++) {
if (hsmmc[i].name == mmc->slots[0].name) {
struct regulator *reg;
hsmmc[i].mmc = mmc;
reg = regulator_get(dev, "vmmc");
if (IS_ERR(reg)) {
dev_dbg(dev, "vmmc regulator missing\n");
/* HACK: until fixed.c regulator is usable,
* we don't require a main regulator
* for MMC2 or MMC3
*/
if (i != 0)
break;
ret = PTR_ERR(reg);
hsmmc[i].vcc = NULL;
goto err;
}
hsmmc[i].vcc = reg;
mmc->slots[0].ocr_mask = mmc_regulator_get_ocrmask(reg);
/* allow an aux regulator */
reg = regulator_get(dev, "vmmc_aux");
hsmmc[i].vcc_aux = IS_ERR(reg) ? NULL : reg;
/* UGLY HACK: workaround regulator framework bugs.
* When the bootloader leaves a supply active, it's
* initialized with zero usecount ... and we can't
* disable it without first enabling it. Until the
* framework is fixed, we need a workaround like this
* (which is safe for MMC, but not in general).
*/
if (regulator_is_enabled(hsmmc[i].vcc) > 0) {
regulator_enable(hsmmc[i].vcc);
regulator_disable(hsmmc[i].vcc);
}
if (hsmmc[i].vcc_aux) {
if (regulator_is_enabled(reg) > 0) {
regulator_enable(reg);
regulator_disable(reg);
}
}
if (cpu_is_omap44xx()) {
if (twl_class_is_6030()) {
twl6030_interrupt_unmask
(TWL6030_MMCDETECT_INT_MASK,
REG_INT_MSK_LINE_B);
twl6030_interrupt_unmask
(TWL6030_MMCDETECT_INT_MASK,
REG_INT_MSK_STS_B);
}
/* Configure Phoenix for MMC1 Card detect */
if (i == 0) {
twl_i2c_write_u8(TWL4030_MODULE_INTBR,
0x04, PHOENIX_MMC_CTRL);
twl_i2c_write_u8(TWL4030_MODULE_INTBR,
0x11, PHOENIX_CFG_INPUT_PUPD3);
}
}
break;
}
}
return 0;
err:
gpio_free(mmc->slots[0].switch_pin);
done:
mmc->slots[0].card_detect_irq = 0;
mmc->slots[0].card_detect = NULL;
dev_err(dev, "err %d configuring card detect\n", ret);
return ret;
}
int twl6030_init_irq(int irq_num, unsigned irq_base, unsigned irq_end,
unsigned long features)
{
int status = 0;
int i;
int ret;
u8 mask[4];
static struct irq_chip twl6030_irq_chip;
if (features & TWL6032_SUBCLASS)
twl6030_interrupt_mapping = twl6032_interrupt_mapping_table;
mask[1] = 0xFF;
mask[2] = 0xFF;
mask[3] = 0xFF;
ret = twl_i2c_write(TWL_MODULE_PIH, &mask[0],
REG_INT_MSK_LINE_A, 3); /* MASK ALL INT LINES */
ret = twl_i2c_write(TWL_MODULE_PIH, &mask[0],
REG_INT_MSK_STS_A, 3); /* MASK ALL INT STS */
ret = twl_i2c_write(TWL_MODULE_PIH, &mask[0],
REG_INT_STS_A, 3); /* clear INT_STS_A,B,C */
twl6030_irq_base = irq_base;
twl6030_irq_end = irq_end;
/* install an irq handler for each of the modules;
* clone dummy irq_chip since PIH can't *do* anything
*/
twl6030_irq_chip = dummy_irq_chip;
twl6030_irq_chip.name = "twl6030";
twl6030_irq_chip.irq_set_type = NULL;
twl6030_irq_chip.irq_set_wake = twl6030_irq_set_wake;
for (i = irq_base; i < irq_end; i++) {
irq_set_chip_and_handler(i, &twl6030_irq_chip,
handle_simple_irq);
irq_set_chip_data(i, (void *)irq_num);
activate_irq(i);
}
twl6030_irq_next = i;
pr_info("twl6030: %s (irq %d) chaining IRQs %d..%d\n", "PIH",
irq_num, irq_base, twl6030_irq_next - 1);
/* install an irq handler to demultiplex the TWL6030 interrupt */
init_completion(&irq_event);
task = kthread_run(twl6030_irq_thread, (void *)irq_num, "twl6030-irq");
if (IS_ERR(task)) {
pr_err("twl6030: could not create irq %d thread!\n", irq_num);
status = PTR_ERR(task);
goto fail_kthread;
}
status = request_irq(irq_num, handle_twl6030_pih, IRQF_DISABLED,
"TWL6030-PIH", &irq_event);
if (status < 0) {
pr_err("twl6030: could not claim irq%d: %d\n", irq_num, status);
goto fail_irq;
}
twl_irq = irq_num;
register_pm_notifier(&twl6030_irq_pm_notifier_block);
#if 0 // LGE_CHANGE_START [2012.05.30] bk.shin for low battery problem
status = twl6030_vlow_init(twl6030_irq_base + TWL_VLOW_INTR_OFFSET);
if (status < 0)
goto fail_vlow;
#endif
//LGE_CHANGE_S 2010.11.17
if (cpu_is_omap44xx()) {
if (twl_class_is_6030()) {
twl6030_interrupt_unmask
(TWL6030_PWR_INT_MASK,
REG_INT_MSK_LINE_A);
twl6030_interrupt_unmask
(TWL6030_PWR_INT_MASK,
REG_INT_MSK_STS_A);
}
}
//LGE_CHANGE_E 2010.11.17
return status;
#if 0 // LGE_CHANGE_START [2012.05.30] bk.shin for low battery problem
fail_vlow:
free_irq(irq_num, &irq_event);
#endif
fail_irq:
kthread_stop(task);
fail_kthread:
for (i = irq_base; i < irq_end; i++)
irq_set_chip_and_handler(i, NULL, NULL);
return status;
}
/*
* Gets current TWL RTC time and date parameters.
*
* The RTC's time/alarm representation is not what gmtime(3) requires
* Linux to use:
*
* - Months are 1..12 vs Linux 0-11
* - Years are 0..99 vs Linux 1900..N (we assume 21st century)
*/
static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
unsigned char rtc_data[ALL_TIME_REGS];
int ret;
u8 save_control;
u8 rtc_control;
ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
if (ret < 0) {
dev_err(dev, "%s: reading CTRL_REG, error %d\n", __func__, ret);
return ret;
}
/* for twl6030/32 make sure BIT_RTC_CTRL_REG_GET_TIME_M is clear */
if (twl_class_is_6030()) {
if (save_control & BIT_RTC_CTRL_REG_GET_TIME_M) {
save_control &= ~BIT_RTC_CTRL_REG_GET_TIME_M;
ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
if (ret < 0) {
dev_err(dev, "%s clr GET_TIME, error %d\n",
__func__, ret);
return ret;
}
}
}
/* Copy RTC counting registers to static registers or latches */
rtc_control = save_control | BIT_RTC_CTRL_REG_GET_TIME_M;
/* for twl6030/32 enable read access to static shadowed registers */
if (twl_class_is_6030())
rtc_control |= BIT_RTC_CTRL_REG_RTC_V_OPT;
ret = twl_rtc_write_u8(rtc_control, REG_RTC_CTRL_REG);
if (ret < 0) {
dev_err(dev, "%s: writing CTRL_REG, error %d\n", __func__, ret);
return ret;
}
ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data,
(rtc_reg_map[REG_SECONDS_REG]), ALL_TIME_REGS);
if (ret < 0) {
dev_err(dev, "%s: reading data, error %d\n", __func__, ret);
return ret;
}
/* for twl6030 restore original state of rtc control register */
if (twl_class_is_6030()) {
ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
if (ret < 0) {
dev_err(dev, "%s: restore CTRL_REG, error %d\n",
__func__, ret);
return ret;
}
}
tm->tm_sec = bcd2bin(rtc_data[0]);
tm->tm_min = bcd2bin(rtc_data[1]);
tm->tm_hour = bcd2bin(rtc_data[2]);
tm->tm_mday = bcd2bin(rtc_data[3]);
tm->tm_mon = bcd2bin(rtc_data[4]) - 1;
tm->tm_year = bcd2bin(rtc_data[5]) + 100;
return ret;
}
static int twl_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
int ret = -EINVAL;
int irq = platform_get_irq(pdev, 0);
u8 rd_reg;
if (irq <= 0)
goto out1;
ret = twl_rtc_read_u8(&rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
if (rd_reg & BIT_RTC_STATUS_REG_POWER_UP_M)
dev_warn(&pdev->dev, "Power up reset detected.\n");
if (rd_reg & BIT_RTC_STATUS_REG_ALARM_M)
dev_warn(&pdev->dev, "Pending Alarm interrupt detected.\n");
/* Clear RTC Power up reset and pending alarm interrupts */
ret = twl_rtc_write_u8(rd_reg, REG_RTC_STATUS_REG);
if (ret < 0)
goto out1;
if (twl_class_is_6030()) {
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_LINE_A);
twl6030_interrupt_unmask(TWL6030_RTC_INT_MASK,
REG_INT_MSK_STS_A);
}
dev_info(&pdev->dev, "Enabling TWL-RTC\n");
ret = twl_rtc_write_u8(BIT_RTC_CTRL_REG_STOP_RTC_M, REG_RTC_CTRL_REG);
if (ret < 0)
goto out1;
/* ensure interrupts are disabled, bootloaders can be strange */
ret = twl_rtc_write_u8(0, REG_RTC_INTERRUPTS_REG);
if (ret < 0)
dev_warn(&pdev->dev, "unable to disable interrupt\n");
/* init cached IRQ enable bits */
ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG);
if (ret < 0)
goto out1;
rtc = rtc_device_register(pdev->name,
&pdev->dev, &twl_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
ret = PTR_ERR(rtc);
dev_err(&pdev->dev, "can't register RTC device, err %ld\n",
PTR_ERR(rtc));
goto out1;
}
ret = request_threaded_irq(irq, NULL, twl_rtc_interrupt,
IRQF_TRIGGER_RISING | IRQF_ONESHOT,
dev_name(&rtc->dev), rtc);
if (ret < 0) {
dev_err(&pdev->dev, "IRQ is not free.\n");
goto out2;
}
platform_set_drvdata(pdev, rtc);
device_init_wakeup(&pdev->dev, 1);
return 0;
out2:
rtc_device_unregister(rtc);
out1:
return ret;
}
static int twl_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
unsigned char rtc_data[ALL_TIME_REGS + 1];
int ret;
u8 save_control;
u8 rtc_control;
ret = twl_rtc_read_u8(&save_control, REG_RTC_CTRL_REG);
if (ret < 0) {
dev_err(dev, "%s: reading CTRL_REG, error %d\n", __func__, ret);
return ret;
}
/* */
if (twl_class_is_6030()) {
if (save_control & BIT_RTC_CTRL_REG_GET_TIME_M) {
save_control &= ~BIT_RTC_CTRL_REG_GET_TIME_M;
ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
if (ret < 0) {
dev_err(dev, "%s clr GET_TIME, error %d\n",
__func__, ret);
return ret;
}
}
}
/* */
rtc_control = save_control | BIT_RTC_CTRL_REG_GET_TIME_M;
/* */
if (twl_class_is_6030())
rtc_control |= BIT_RTC_CTRL_REG_RTC_V_OPT;
ret = twl_rtc_write_u8(rtc_control, REG_RTC_CTRL_REG);
if (ret < 0) {
dev_err(dev, "%s: writing CTRL_REG, error %d\n", __func__, ret);
return ret;
}
ret = twl_i2c_read(TWL_MODULE_RTC, rtc_data,
(rtc_reg_map[REG_SECONDS_REG]), ALL_TIME_REGS);
if (ret < 0) {
dev_err(dev, "%s: reading data, error %d\n", __func__, ret);
return ret;
}
/* */
if (twl_class_is_6030()) {
ret = twl_rtc_write_u8(save_control, REG_RTC_CTRL_REG);
if (ret < 0) {
dev_err(dev, "%s: restore CTRL_REG, error %d\n",
__func__, ret);
return ret;
}
}
tm->tm_sec = bcd2bin(rtc_data[0]);
tm->tm_min = bcd2bin(rtc_data[1]);
tm->tm_hour = bcd2bin(rtc_data[2]);
tm->tm_mday = bcd2bin(rtc_data[3]);
tm->tm_mon = bcd2bin(rtc_data[4]) - 1;
tm->tm_year = bcd2bin(rtc_data[5]) + 100;
return ret;
}
