static void t1_twl6030_init(void)
{
int ret;
u8 val;
/*
* If disable GPADC_IN1, BAT_TEMP_OVRANGE interrupt is signaled.
* Disable all interrupt of charger block except VBUS_DET.
* We need only VBUS_DET interrupt of charger block fot usb otg.
*/
val = ~(TWL_CONTROLLER_RSVD | TWL_CONTROLLER_MVBUS_DET);
ret = twl_i2c_write_u8(TWL_MODULE_MAIN_CHARGE, val,
TWL_REG_CONTROLLER_INT_MASK);
ret |= twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK,
REG_INT_MSK_LINE_C);
if (ret)
pr_err("%s:disable charger interrupt fail!\n", __func__);
/* T1 use only preq1 of twl6030 */
val = ~(DEV_GRP_P1) << TWL6030_PHEONIX_MSK_TRANS_SHIFT;
ret = twl_i2c_write_u8(TWL6030_MODULE_ID0, val,
TWL6030_PHOENIX_MSK_TRANSITION);
if (ret)
pr_err("%s:PHOENIX_MSK_TRANSITION write fail!\n", __func__);
/*
* Enable charge backup battery and set charging voltage to 2.6V.
* Set VRTC low power mode in off/sleep and standard power mode in on.
*/
val = TWL_BBSPOR_CFG_BB_CHG_EN |
TWL_BBSPOR_CFG_BBSEL_2_6V |
TWL_BBSPOR_CFG_VRTC_EN_SLP_STS |
TWL_BBSPOR_CFG_VRTC_EN_OFF_STS |
TWL_BBSPOR_CFG_VRTC_PWEN;
ret = twl_i2c_write_u8(TWL6030_MODULE_ID0, val,
TWL6030_BBSPOR_CFG);
if (ret)
pr_err("%s: BBSPOR_CFG write fail!\n", __func__);
return;
}
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;
}
int twl6030_mmc_card_detect_config(void)
{
int ret;
u8 reg_val = 0;
/* Unmasking the Card detect Interrupt line for MMC1 from Phoenix */
twl6030_interrupt_unmask(TWL6030_MMCDETECT_INT_MASK,
REG_INT_MSK_LINE_B);
twl6030_interrupt_unmask(TWL6030_MMCDETECT_INT_MASK,
REG_INT_MSK_STS_B);
/*
* Initially Configuring MMC_CTRL for receiving 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;
}
/* LGE_SJIT 2011-11-28 [[email protected]] 2011-11-28
* LGE_CHANGE [[email protected]] 2011-07-19, from p940
*
* Leak the current 40mA on off state
*/
#if defined(CONFIG_MMC_OMAP_HS_VMMC_AUTO_OFF)
reg_val |= VMMC_AUTO_OFF;
#else
reg_val &= ~VMMC_AUTO_OFF;
#endif
reg_val |= SW_FC;
ret = twl_i2c_write_u8(TWL6030_MODULE_ID0, reg_val, TWL6030_MMCCTRL);
if (ret < 0) {
pr_err("twl6030: Failed to write MMCCTRL, error %d\n", ret);
return ret;
}
/* Configuring PullUp-PullDown register */
ret = twl_i2c_read_u8(TWL6030_MODULE_ID0, ®_val,
TWL6030_CFG_INPUT_PUPD3);
if (ret < 0) {
pr_err("twl6030: Failed to read CFG_INPUT_PUPD3, error %d\n",
ret);
return 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;
}
ret = twl_i2c_write_u8(TWL6030_MODULE_ID0,
(MMC_MINS_DEB_MASK | MMC_MEXT_DEB_MASK),
TWL6030_MMCDEBOUNCING);
if (ret < 0){
pr_err("twl6030: Failed to write MMC_MEXT_DEB_MASK %d\n",
ret);
return ret;
}
return 0;
}
static int __devinit charger_probe(struct platform_device *pdev)
{
int ret = 0;
int irq = 0;
u8 state = 0;
struct charger_device_info *di;
printk( KERN_INFO "[TA] Charger probe...\n");
sec_bci = get_sec_bci();
di = kzalloc(sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
platform_set_drvdata(pdev, di);
di->dev = &pdev->dev;
device_config = pdev->dev.platform_data;
#if 0
printk( KERN_INFO "[TA] %d, %d, %d\n ",
device_config->VF_CHECK_USING_ADC,
device_config->VF_ADC_PORT,
device_config->SUPPORT_CHG_ING_IRQ);
#endif
this_dev = &pdev->dev;
di->stat1 = 0x80;
/*Init Work */
INIT_DELAYED_WORK(&di->twl6030charger_ctrl_work,
twl6030charger_ctrl_work_handler);
INIT_DELAYED_WORK(&di->twl6030charger_fault_work,
twl6030charger_fault_work_handler);
INIT_DELAYED_WORK(&di->bat_removal_detection_work,
bat_removal_detection_work_handler);
// Refer board_init_battery for checking resources
CTRL_INT_IRQ = platform_get_irq(pdev,0);
ret = request_threaded_irq(CTRL_INT_IRQ, NULL, twl6030charger_ctrl_isr,
0,
pdev->name, di);
if (ret) {
dev_err(di->dev, "[TA] 1. could not request irq %d, status %d\n",
CTRL_INT_IRQ, ret);
goto ctrl_int_irq_fail;
}
CHARGERFAULT_INTR_IRQ = platform_get_irq(pdev,1);
ret = request_threaded_irq(CHARGERFAULT_INTR_IRQ, NULL, twl6030charger_fault_isr,
0,
pdev->name, di);
if (ret) {
dev_err(di->dev, "[TA] 2. could not request irq %d, status %d\n",
CHARGERFAULT_INTR_IRQ, ret);
goto chargerfault_irq_fail;
}
BAT_REMOVAL_IRQ = platform_get_irq(pdev, 2);
ret =
request_irq(BAT_REMOVAL_IRQ, bat_removal_detection_isr,
IRQF_DISABLED, pdev->name, di);
if (ret) {
dev_err(di->dev, "[TA] 3. could not request irq %d, status %d\n",
BAT_REMOVAL_IRQ, ret);
goto bat_removal_irq_fail;
}
set_irq_type(BAT_REMOVAL_IRQ, IRQ_TYPE_EDGE_BOTH);
/* initialize for USB charging */
/* MAX Charger Voltage/Current limit was set in the Bootloader */
/* Please find the related code in the sbl_board_charger.c */
/* twl6030_config_limit1_reg(di, MAX_CHARGER_VOLTAGE); */
/* twl6030_config_limit2_reg(di, MAX_CHARGER_CURRENT); */
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MBAT_TEMP,
CONTROLLER_INT_MASK);
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MASK_MCHARGERUSB_THMREG,
CHARGERUSB_INT_MASK);
twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &state,
CHARGERUSB_CTRL1);
state |= TERM;
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, state,
CHARGERUSB_CTRL1);
twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK,
REG_INT_MSK_LINE_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK,
REG_INT_MSK_STS_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK,
REG_INT_MSK_LINE_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK,
REG_INT_MSK_STS_C);
queue_delayed_work(sec_bci->sec_battery_workq,
&di->twl6030charger_ctrl_work,HZ);
return 0;
bat_removal_irq_fail:
irq = platform_get_irq(pdev, 1);
free_irq(irq, di);
chargerfault_irq_fail:
irq = platform_get_irq(pdev, 0);
free_irq(irq, di);
ctrl_int_irq_fail:
kfree(di);
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;
}
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;
}
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 __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;
}
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 = -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;
}
static int __init twl6030_bci_battery_probe(struct platform_device *pdev)
{
struct twl6030_bci_platform_data *pdata = pdev->dev.platform_data;
struct twl6030_bci_device_info *di;
int irq;
int ret;
u8 rd_reg = 0, controller_stat = 0;
di = kzalloc(sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
if (!pdata) {
dev_dbg(&pdev->dev, "platform_data not available\n");
ret = -EINVAL;
goto err_pdata;
}
di->dev = &pdev->dev;
di->bat.name = "twl6030_bci_battery";
di->bat.supplied_to = twl6030_bci_supplied_to;
di->bat.num_supplicants = ARRAY_SIZE(twl6030_bci_supplied_to);
di->bat.type = POWER_SUPPLY_TYPE_BATTERY;
di->bat.properties = twl6030_bci_battery_props;
di->bat.num_properties = ARRAY_SIZE(twl6030_bci_battery_props);
di->bat.get_property = twl6030_bci_battery_get_property;
di->bat.external_power_changed =
twl6030_bci_battery_external_power_changed;
di->charge_status = POWER_SUPPLY_STATUS_UNKNOWN;
di->bk_bat.name = "twl6030_bci_bk_battery";
di->bk_bat.type = POWER_SUPPLY_TYPE_BATTERY;
di->bk_bat.properties = twl6030_bk_bci_battery_props;
di->bk_bat.num_properties = ARRAY_SIZE(twl6030_bk_bci_battery_props);
di->bk_bat.get_property = twl6030_bk_bci_battery_get_property;
di->bk_bat.external_power_changed = NULL;
/*
* Android expects a battery type POWER_SUPPLY_TYPE_USB
* as a usb charger battery. This battery
* and its "online" property are used to determine if the
* usb cable is plugged in or not.
*/
di->usb_bat.name = "twl6030_bci_usb_battery";
di->usb_bat.supplied_to = twl6030_bci_supplied_to;
di->usb_bat.type = POWER_SUPPLY_TYPE_USB;
di->usb_bat.properties = twl6030_usb_battery_props;
di->usb_bat.num_properties = ARRAY_SIZE(twl6030_usb_battery_props);
di->usb_bat.get_property = twl6030_usb_battery_get_property;
di->usb_bat.external_power_changed = NULL;
di->vac_priority = 1;
platform_set_drvdata(pdev, di);
/* settings for temperature sensing */
ret = twl6030battery_temp_setup();
if (ret)
goto temp_setup_fail;
/* request charger fault interruption */
irq = platform_get_irq(pdev, 1);
ret = request_irq(irq, twl6030charger_fault_interrupt,
0, "twl_bci_fault", di);
if (ret) {
dev_dbg(&pdev->dev, "could not request irq %d, status %d\n",
irq, ret);
goto batt_irq_fail;
}
/* request charger ctrl interruption */
irq = platform_get_irq(pdev, 0);
ret = request_irq(irq, twl6030charger_ctrl_interrupt,
0, "twl_bci_ctrl", di);
if (ret) {
dev_dbg(&pdev->dev, "could not request irq %d, status %d\n",
irq, ret);
goto chg_irq_fail;
}
twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK,
REG_INT_MSK_LINE_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK,
REG_INT_MSK_STS_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK,
REG_INT_MSK_LINE_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK,
REG_INT_MSK_STS_C);
ret = power_supply_register(&pdev->dev, &di->bat);
if (ret) {
dev_dbg(&pdev->dev, "failed to register main battery\n");
goto batt_failed;
}
INIT_DELAYED_WORK_DEFERRABLE(&di->twl6030_bci_monitor_work,
twl6030_bci_battery_work);
schedule_delayed_work(&di->twl6030_bci_monitor_work, 0);
ret = power_supply_register(&pdev->dev, &di->bk_bat);
if (ret) {
dev_dbg(&pdev->dev, "failed to register backup battery\n");
goto bk_batt_failed;
}
ret = power_supply_register(&pdev->dev, &di->usb_bat);
if (ret) {
dev_dbg(&pdev->dev, "failed to register usb source\n");
goto usb_batt_failed;
}
INIT_DELAYED_WORK_DEFERRABLE(&di->twl6030_bk_bci_monitor_work,
twl6030_bk_bci_battery_work);
schedule_delayed_work(&di->twl6030_bk_bci_monitor_work, 500);
twl_i2c_read_u8(TWL6030_MODULE_ID0, &rd_reg, REG_MISC1);
rd_reg = rd_reg | VAC_MEAS | VBAT_MEAS | BB_MEAS;
twl_i2c_write_u8(TWL6030_MODULE_ID0, rd_reg, REG_MISC1);
twl_i2c_read_u8(TWL6030_MODULE_ID1, &rd_reg, REG_TOGGLE1);
rd_reg = rd_reg | ENABLE_FUELGUAGE;
twl_i2c_write_u8(TWL6030_MODULE_ID1, rd_reg, REG_TOGGLE1);
twl_i2c_read_u8(TWL_MODULE_MADC, &rd_reg, TWL6030_GPADC_CTRL);
rd_reg = rd_reg | ENABLE_ISOURCE;
twl_i2c_write_u8(TWL_MODULE_MADC, rd_reg, TWL6030_GPADC_CTRL);
twl_i2c_read_u8(TWL_MODULE_USB, &rd_reg, REG_USB_VBUS_CTRL_SET);
rd_reg = rd_reg | VBUS_MEAS;
twl_i2c_write_u8(TWL_MODULE_USB, rd_reg, REG_USB_VBUS_CTRL_SET);
twl_i2c_read_u8(TWL_MODULE_USB, &rd_reg, REG_USB_ID_CTRL_SET);
rd_reg = rd_reg | ID_MEAS;
twl_i2c_write_u8(TWL_MODULE_USB, rd_reg, REG_USB_ID_CTRL_SET);
/* initialize for USB charging */
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MBAT_TEMP,
CONTROLLER_INT_MASK);
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MASK_MCHARGERUSB_THMREG,
CHARGERUSB_INT_MASK);
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, CHARGERUSB_VOREG_4P2,
CHARGERUSB_VOREG);
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, CHARGERUSB_VICHRG_1500,
CHARGERUSB_VICHRG);
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, CHARGERUSB_CTRL2_VITERM_100,
CHARGERUSB_CTRL2);
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, CHARGERUSB_CIN_LIMIT_NONE,
CHARGERUSB_CINLIMIT);
twl_i2c_write_u8(TWL6030_MODULE_CHARGER, CHARGERUSB_CTRLLIMIT2_1500,
CHARGERUSB_CTRLLIMIT2);
twl_i2c_write_u8(TWL6030_MODULE_BQ, 0xa0, REG_SAFETY_LIMIT);
twl_i2c_read_u8(TWL6030_MODULE_CHARGER, &controller_stat,
CONTROLLER_STAT1);
if (controller_stat & VBUS_DET)
twl6030_start_usb_charger();
if (controller_stat & VAC_DET)
twl6030_start_ac_charger();
return 0;
usb_batt_failed:
power_supply_unregister(&di->bk_bat);
bk_batt_failed:
power_supply_unregister(&di->bat);
batt_failed:
free_irq(irq, di);
chg_irq_fail:
irq = platform_get_irq(pdev, 1);
free_irq(irq, NULL);
err_pdata:
batt_irq_fail:
temp_setup_fail:
kfree(di);
return ret;
}
static int __devinit twl6030_bci_battery_probe(struct platform_device *pdev)
{
struct twl4030_bci_platform_data *pdata = pdev->dev.platform_data;
struct twl6030_bci_device_info *di;
int irq = -1;
int ret;
int i;
if (!pdata) {
dev_dbg(&pdev->dev, "platform_data not available\n");
return -EINVAL;
}
di = kzalloc(sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
di->platform_data = kmemdup(pdata, sizeof(*pdata), GFP_KERNEL);
if (!di->platform_data) {
kfree(di);
return -ENOMEM;
}
di->state = STATE_BATTERY;
di->monitoring_interval = 15;
di->capacity_max_uAh = 570000;
di->full_jiffies = msecs_to_jiffies(120 * 1000) + jiffies;
di->vbat_jiffies = jiffies;
di->dev = &pdev->dev;
di->bat.name = "twl6030_battery";
di->bat.supplied_to = twl6030_bci_supplied_to;
di->bat.num_supplicants = ARRAY_SIZE(twl6030_bci_supplied_to);
di->bat.type = POWER_SUPPLY_TYPE_BATTERY;
di->bat.properties = twl6030_bci_battery_props;
di->bat.num_properties = ARRAY_SIZE(twl6030_bci_battery_props);
di->bat.get_property = twl6030_bci_battery_get_property;
di->bat_health = POWER_SUPPLY_HEALTH_GOOD;
di->usb.name = "twl6030_usb";
di->usb.type = POWER_SUPPLY_TYPE_USB;
di->usb.properties = twl6030_usb_props;
di->usb.num_properties = ARRAY_SIZE(twl6030_usb_props);
di->usb.get_property = twl6030_usb_get_property;
platform_set_drvdata(pdev, di);
wake_lock_init(&usb_wake_lock, WAKE_LOCK_SUSPEND, "usb_wake_lock");
wake_lock_init(&battery_wake_lock, WAKE_LOCK_SUSPEND, "battery_wake_lock");
di->wq = create_freezable_workqueue(dev_name(&pdev->dev));
/* settings for temperature sensing */
ret = twl6030battery_temp_setup(true);
if (ret)
goto temp_setup_fail;
ret = power_supply_register(&pdev->dev, &di->bat);
if (ret) {
dev_err(&pdev->dev, "failed to register main battery\n");
goto batt_failed;
}
ret = power_supply_register(&pdev->dev, &di->usb);
if (ret) {
dev_err(&pdev->dev, "failed to register usb power supply\n");
goto usb_failed;
}
di->charge_n1 = 0;
di->timer_n1 = 0;
INIT_WORK(&di->charge_control_work, twl6030_charge_control_work);
INIT_WORK(&di->charge_fault_work, twl6030_charge_fault_work);
INIT_WORK(&di->calibration_work, twl6030_calibration_work);
INIT_DELAYED_WORK_DEFERRABLE(&di->monitor_work, twl6030_monitor_work);
ret = twl6030battery_voltage_setup(di);
if (ret)
dev_err(&pdev->dev, "voltage measurement setup failed\n");
ret = twl6030battery_current_setup(true);
if (ret)
dev_err(&pdev->dev, "current measurement setup failed\n");
/* initialize for USB charging */
twl6030_config_limit1_reg(di, pdata->max_charger_voltagemV);
twl6030_config_limit2_reg(di, pdata->max_charger_currentmA);
ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MBAT_TEMP,
CONTROLLER_INT_MASK);
if (ret)
goto init_failed;
ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER,
MASK_MCHARGERUSB_THMREG | MASK_MCURRENT_TERM,
CHARGERUSB_INT_MASK);
if (ret)
goto init_failed;
di->charger_outcurrentmA = di->platform_data->max_charger_currentmA;
twl6030_set_watchdog(di, 32);
di->nb.notifier_call = twl6030_usb_notifier_call;
di->otg = otg_get_transceiver();
if (di->otg) {
ret = otg_register_notifier(di->otg, &di->nb);
if (ret)
dev_err(&pdev->dev, "otg register notifier failed %d\n", ret);
} else
dev_err(&pdev->dev, "otg_get_transceiver failed %d\n", ret);
di->charger_incurrentmA = twl6030_get_usb_max_power(di->otg);
di->gpadc_vbat_chnl = TWL6030_GPADC_VBAT_CHNL;
di->voltage_mV = twl6030_get_gpadc_conversion(di, di->gpadc_vbat_chnl);
dev_info(&pdev->dev, "Battery Voltage at Bootup is %d mV\n", di->voltage_mV);
/* initialize the voltage history table */
/* TODO: consider the best initial values for the table */
for (i=0; i < VOLTAGE_HISTORY_LENGTH; i++)
di->voltage_history[i] = di->voltage_mV;
/* start with a rough estimate */
di->capacity = twl6030_estimate_capacity(di);
if (di->capacity < 5)
di->capacity = 5;
if (di->capacity > 50)
di->capacity = 50;
ret = twl6030backupbatt_setup();
if (ret)
dev_err(&pdev->dev, "Backup Bat charging setup failed\n");
/* request charger fault interruption */
irq = platform_get_irq(pdev, 1);
ret = request_threaded_irq(irq, NULL, twl6030charger_fault_interrupt,
0, "twl_bci_fault", di);
if (ret) {
dev_err(&pdev->dev, "could not request irq %d, status %d\n", irq, ret);
goto init_failed;
}
/* request charger ctrl interruption */
irq = platform_get_irq(pdev, 0);
ret = request_threaded_irq(irq, NULL, twl6030charger_ctrl_interrupt,
0, "twl_bci_ctrl", di);
if (ret) {
dev_err(&pdev->dev, "could not request irq %d, status %d\n", irq, ret);
goto chg_irq_fail;
}
twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK, REG_INT_MSK_LINE_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK, REG_INT_MSK_STS_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK, REG_INT_MSK_LINE_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK, REG_INT_MSK_STS_C);
ret = sysfs_create_group(&pdev->dev.kobj, &twl6030_bci_attr_group);
if (ret)
dev_err(&pdev->dev, "could not create sysfs files\n");
queue_work(di->wq, &di->calibration_work);
queue_delayed_work(di->wq, &di->monitor_work, 0);
return 0;
/* TODO: fix fail exit mess */
chg_irq_fail:
irq = platform_get_irq(pdev, 1);
free_irq(irq, di);
init_failed:
power_supply_unregister(&di->usb);
usb_failed:
power_supply_unregister(&di->bat);
batt_failed:
if (irq != -1)
free_irq(irq, di);
temp_setup_fail:
wake_lock_destroy(&usb_wake_lock);
platform_set_drvdata(pdev, NULL);
kfree(di);
return ret;
}
static int __devinit charger_probe(struct platform_device *pdev)
{
struct twl4030_charger_platform_data *pdata = pdev->dev.platform_data;
struct charger_info *di;
struct device *dev = &pdev->dev;
int irq = -1;
int ret;
dev_warn(dev, "enter\n");
if (!pdata) {
dev_dbg(dev, "platform_data not available\n");
return -EINVAL;
}
if (!pdata->supplied_to || pdata->num_supplicants < 1) {
dev_err(dev, "a supplicant must be sepcified; "
"supplied_to=%p num=%zu\n", pdata->supplied_to,
pdata->num_supplicants);
return -EINVAL;
}
di = kzalloc(sizeof(*di), GFP_KERNEL);
if (!di)
return -ENOMEM;
platform_set_drvdata(pdev, di);
di->dev = &pdev->dev;
di->recharge_capacity = 94;
di->monitor_interval_jiffies = 15 * HZ;
di->usb.name = "twl6030_usb";
di->usb.type = POWER_SUPPLY_TYPE_USB;
di->usb.properties = charger_usb_props;
di->usb.num_properties = ARRAY_SIZE(charger_usb_props);
di->usb.get_property = charger_usb_get_property;
di->usb.supplied_to = pdata->supplied_to;
di->usb.num_supplicants = pdata->num_supplicants;
if (pdata->num_supplicants > 1) {
dev_warn(dev, "more than one supplicant specified (%zu), only the "
"first will be used\n", pdata->num_supplicants);
}
wake_lock_init(&di->wake_lock, WAKE_LOCK_SUSPEND, "charger_wake_lock");
mutex_init(&di->mutex);
di->wq = create_freezable_workqueue(dev_name(di->dev));
INIT_WORK(&di->work, charger_work);
setup_timer(&di->timer, charger_timer, (unsigned long) di);
/* see if the bootloader already set and locked the limits */
if (charger_is_volimit_locked() == 1) {
/* read the vo and vi reg limits set in the bootloader */
di->charger_voltage_mV = charger_get_volimit_config();
di->charger_outcurrent_mA = charger_get_vilimit_config();
dev_warn(&pdev->dev, "Using limits set by bootloader: %d mV %d mA\n",
di->charger_voltage_mV, di->charger_outcurrent_mA);
} else {
/* use the conservative platform data defaults for safety */
di->charger_voltage_mV = pdata->max_bat_voltage_mV;
di->charger_outcurrent_mA = pdata->max_charger_current_mA;
charger_config_limit1_reg(di, pdata->max_charger_voltage_mV);
charger_config_limit2_reg(di, pdata->max_charger_current_mA);
dev_warn(&pdev->dev, "Using default limits: %d mV %d mA\n",
di->charger_voltage_mV, di->charger_outcurrent_mA);
}
di->current_limit_mA = 500;
ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER, MBAT_TEMP,
CONTROLLER_INT_MASK);
if (ret)
goto init_failed;
ret = twl_i2c_write_u8(TWL6030_MODULE_CHARGER,
MASK_MCHARGERUSB_THMREG | MASK_MCURRENT_TERM,
CHARGERUSB_INT_MASK);
if (ret)
goto init_failed;
/* setup the initial watchdog state */
di->watchdog_duration = 32;
charger_pet_watchdog(di);
ret = power_supply_register(dev, &di->usb);
if (ret) {
dev_err(dev, "failed to register usb power supply\n");
goto usb_failed;
}
/* get the current supply type, which may have been determined before
* the notifier below has been registered */
ret = twl6030_usb_get_supply_type();
if (ret > 0) {
dev_info(dev, "initial power supply type is %d\n", ret);
di->charger_supply_type = ret;
}
di->notifier.notifier_call = charger_usb_notifier_call;
ret = twl6030_usb_register_notifier(&di->notifier);
if (ret)
dev_err(dev, "twl6030_usb_register_notifier failed %d\n", ret);
/* request charger fault interrupt */
irq = platform_get_irq(pdev, 1);
ret = request_threaded_irq(irq, NULL, charger_fault_interrupt,
0, "twl_charger_fault", di);
if (ret) {
dev_err(dev, "could not request irq %d, status %d\n", irq, ret);
goto init_failed;
}
/* request charger ctrl interrupt */
irq = platform_get_irq(pdev, 0);
ret = request_threaded_irq(irq, NULL, charger_ctrl_interrupt,
0, "twl_charger_ctrl", di);
if (ret) {
dev_err(dev, "could not request irq %d, status %d\n", irq, ret);
goto chg_irq_fail;
}
di->sdev.name = "invalid_charger";
ret = switch_dev_register(&di->sdev);
if (ret) {
dev_err(di->dev, "error registering switch device: %d\n", ret);
goto chg_irq_fail;
}
ret = sysfs_create_group(&dev->kobj, &charger_charger_attr_group);
if (ret)
dev_err(dev, "could not create sysfs files\n");
/* setup the led state */
di->led = twl6030_init_led_state(di->dev);
if (!di->led) {
dev_err(dev, "failed to alloc led state\n");
goto chg_irq_fail;
}
/* kick ctrl isr to get initial state */
charger_ctrl_interrupt(0, di);
twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK, REG_INT_MSK_LINE_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_CTRL_INT_MASK, REG_INT_MSK_STS_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK, REG_INT_MSK_LINE_C);
twl6030_interrupt_unmask(TWL6030_CHARGER_FAULT_INT_MASK, REG_INT_MSK_STS_C);
charger_update_state(di);
dev_warn(dev, "exit\n");
return 0;
/* TODO: fix fail exit mess */
chg_irq_fail:
irq = platform_get_irq(pdev, 1);
free_irq(irq, di);
init_failed:
power_supply_unregister(&di->usb);
usb_failed:
if (irq != -1)
free_irq(irq, di);
wake_lock_destroy(&di->wake_lock);
platform_set_drvdata(pdev, NULL);
kfree(di);
dev_warn(di->dev, "exit with error: %d\n", ret);
return ret;
}
static irqreturn_t powerbutton_irq(int irq, void *_pwr)
{
struct twl6030_pwr_button *pwr = _pwr;
int hw_state;
int pwr_val;
static int prev_hw_state = 0xFFFF;
static int push_release_flag;
hw_state = twl6030_readb(pwr, TWL6030_MODULE_ID0, STS_HW_CONDITIONS);
pwr_val = !(hw_state & PWR_PWRON_IRQ);
printk("%s: power button status %d\n", __func__, pwr_val);
//[email protected] => [START] keylock command
#if defined(CONFIG_MACH_LGE_COSMO) || defined(CONFIG_MACH_LGE_CX2)
if ((prev_hw_state != pwr_val) && (prev_hw_state != 0xFFFF) && (!atcmd_keylock)) {
#else
if ((prev_hw_state != pwr_val) && (prev_hw_state != 0xFFFF)) {
#endif
//[email protected] <= [END]
push_release_flag = 0;
input_report_key(pwr->input_dev, pwr->report_key, pwr_val);
input_sync(pwr->input_dev);
//[email protected] => [START] keylock command
#if defined(CONFIG_MACH_LGE_COSMO) || defined(CONFIG_MACH_LGE_CX2)
} else if ((!push_release_flag) && (!atcmd_keylock)) {
#else
} else if (!push_release_flag) {
#endif
//[email protected] <= [END]
push_release_flag = 1;
input_report_key(pwr->input_dev, pwr->report_key, !pwr_val);
input_sync(pwr->input_dev);
msleep(20);
input_report_key(pwr->input_dev, pwr->report_key, pwr_val);
input_sync(pwr->input_dev);
} else
push_release_flag = 0;
prev_hw_state = pwr_val;
return IRQ_HANDLED;
}
static int __devinit twl6030_pwrbutton_probe(struct platform_device *pdev)
{
struct twl6030_pwr_button *pwr_button;
int irq = platform_get_irq(pdev, 0);
int err = -ENODEV;
pr_info("%s: Enter\n", __func__);
pwr_button = kzalloc(sizeof(struct twl6030_pwr_button), GFP_KERNEL);
if (!pwr_button)
return -ENOMEM;
pwr_button->input_dev = input_allocate_device();
if (!pwr_button->input_dev) {
dev_dbg(&pdev->dev, "Can't allocate power button\n");
goto input_error;
}
__set_bit(EV_KEY, pwr_button->input_dev->evbit);
pwr_button->report_key = KEY_POWER;
pwr_button->dev = &pdev->dev;
pwr_button->input_dev->evbit[0] = BIT_MASK(EV_KEY);
pwr_button->input_dev->keybit[BIT_WORD(pwr_button->report_key)] =
BIT_MASK(pwr_button->report_key);
pwr_button->input_dev->name = "twl6030_pwrbutton";
pwr_button->input_dev->phys = "twl6030_pwrbutton/input0";
pwr_button->input_dev->dev.parent = &pdev->dev;
err = request_threaded_irq(irq, NULL, powerbutton_irq,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
"twl6030_pwrbutton", pwr_button);
if (err < 0) {
dev_dbg(&pdev->dev, "Can't get IRQ for pwrbutton: %d\n", err);
goto free_input_dev;
}
err = input_register_device(pwr_button->input_dev);
if (err) {
dev_dbg(&pdev->dev, "Can't register power button: %d\n", err);
goto free_irq;
}
twl6030_interrupt_unmask(0x01, REG_INT_MSK_LINE_A);
twl6030_interrupt_unmask(0x01, REG_INT_MSK_STS_A);
platform_set_drvdata(pdev, pwr_button);
return 0;
free_irq:
free_irq(irq, NULL);
free_input_dev:
input_free_device(pwr_button->input_dev);
input_error:
kfree(pwr_button);
return err;
}
static int __devexit twl6030_pwrbutton_remove(struct platform_device *pdev)
{
struct input_dev *pwr = platform_get_drvdata(pdev);
int irq = platform_get_irq(pdev, 0);
free_irq(irq, pwr);
input_unregister_device(pwr);
return 0;
}
struct platform_driver twl6030_pwrbutton_driver = {
.probe = twl6030_pwrbutton_probe,
.remove = __devexit_p(twl6030_pwrbutton_remove),
.driver = {
.name = "twl6030_pwrbutton",
.owner = THIS_MODULE,
},
};
static int __init twl6030_pwrbutton_init(void)
{
return platform_driver_register(&twl6030_pwrbutton_driver);
}
module_init(twl6030_pwrbutton_init);
static void __exit twl6030_pwrbutton_exit(void)
{
platform_driver_unregister(&twl6030_pwrbutton_driver);
}
