static irqreturn_t max8925_charger_handler(int irq, void *data)
{
struct max8925_power_info *info = (struct max8925_power_info *)data;
struct max8925_chip *chip = info->chip;
switch (irq - chip->irq_base) {
case MAX8925_IRQ_VCHG_DC_R:
info->ac_online = 1;
__set_charger(info, 1);
dev_dbg(chip->dev, "Adapter inserted\n");
break;
case MAX8925_IRQ_VCHG_DC_F:
info->ac_online = 0;
__set_charger(info, 0);
dev_dbg(chip->dev, "Adapter removed\n");
break;
case MAX8925_IRQ_VCHG_THM_OK_F:
/* Battery is not ready yet */
dev_dbg(chip->dev, "Battery temperature is out of range\n");
/* Fall through */
case MAX8925_IRQ_VCHG_DC_OVP:
dev_dbg(chip->dev, "Error detection\n");
__set_charger(info, 0);
break;
case MAX8925_IRQ_VCHG_THM_OK_R:
/* Battery is ready now */
dev_dbg(chip->dev, "Battery temperature is in range\n");
break;
case MAX8925_IRQ_VCHG_SYSLOW_R:
/* VSYS is low */
dev_info(chip->dev, "Sys power is too low\n");
break;
case MAX8925_IRQ_VCHG_SYSLOW_F:
dev_dbg(chip->dev, "Sys power is above low threshold\n");
break;
case MAX8925_IRQ_VCHG_DONE:
__set_charger(info, 0);
dev_dbg(chip->dev, "Charging is done\n");
break;
case MAX8925_IRQ_VCHG_TOPOFF:
dev_dbg(chip->dev, "Charging in top-off mode\n");
break;
case MAX8925_IRQ_VCHG_TMR_FAULT:
__set_charger(info, 0);
dev_dbg(chip->dev, "Safe timer is expired\n");
break;
case MAX8925_IRQ_VCHG_RST:
__set_charger(info, 0);
dev_dbg(chip->dev, "Charger is reset\n");
break;
}
return IRQ_HANDLED;
}
static __devinit int rt9536_probe(struct platform_device *pdev)
{
struct rt9536_chip *chip;
int ret = 0;
printk("@@@@ Inside rt9536_probe @@@@\n");
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
if (!chip)
return -ENOMEM;
/* INIT_DELAYED_WORK(&chip->charge_work, rt9536_charge);
INIT_DELAYED_WORK(&chip->charge_done_work, rt9536_charge_done); */
/* chip->pdata = client->dev.platform_data; */
wake_lock_init(&chip->wl, WAKE_LOCK_SUSPEND, "rt9536");
spin_lock_init(&chip->enable_lock);
ret = qpnp_is_pon_ready();
if (ret)
goto out;
if (pdev->dev.of_node) {
chip->pdata = devm_kzalloc(&pdev->dev,
sizeof(struct rt9536_platform_data),
GFP_KERNEL);
if (chip->pdata == NULL) {
pr_err("%s: no pdata\n", __func__);
return -ENOMEM;
}
pdev->dev.platform_data = chip->pdata;
rt9536_parse_dt(&pdev->dev, chip->pdata);
if (!gpio_is_valid(chip->pdata->wlc_en_set_pin)) {
pr_err("Fail to get named gpio for wlc_en_set_pin.\n");
goto err_qpio_request;
} else {
ret = gpio_request(chip->pdata->wlc_en_set_pin, "wlc_en_set_pin");
if (ret) {
pr_err("request wlc_en_set_pin gpio failed, ret=%d\n", ret);
/* gpio_free(chip->pdata->wlc_en_set_pin); */
goto err_qpio_request;
}
gpio_tlmm_config(GPIO_CFG(chip->pdata->wlc_en_set_pin, 0, GPIO_CFG_OUTPUT, GPIO_CFG_NO_PULL, GPIO_CFG_4MA), GPIO_CFG_ENABLE);
}
/* initialize irq of gpio_hall */
if (chip->pdata->wlc_irq_pin > 0) {
ret = gpio_request(chip->pdata->wlc_irq_pin,
"wlc_irq");
if (ret) {
pr_err("%s :gpio request fail for wlc_irq and ret is %d\n", __func__, ret);
gpio_free(chip->pdata->wlc_irq_pin);
goto err_request_irq;
}
ret = gpio_direction_input(chip->pdata->wlc_irq_pin);
gpio_tlmm_config(GPIO_CFG(chip->pdata->wlc_irq_pin, 0, GPIO_CFG_INPUT, GPIO_CFG_PULL_UP, GPIO_CFG_4MA), GPIO_CFG_ENABLE);
chip->chg_online = gpio_get_value(chip->pdata->wlc_irq_pin);
printk("[RT9536] %s: chg_online is %d\n", __func__, chip->chg_online);
if (ret) {
pr_err("%s :gpio_direction_input fail for wlc_irq and ret is %d\n", __func__, ret);
gpio_free(chip->pdata->wlc_irq_pin);
goto err_request_irq;
}
ret = request_irq(chip->pdata->wlc_irq, wlc_irq_handler, chip->pdata->irq_flags, "rt9536", chip);
if (ret) {
pr_err("%s :request_irq and ret is %d\n", __func__, ret);
gpio_free(chip->pdata->wlc_irq_pin);
goto err_request_irq;
}
#if 0
if (enable_irq_wake(chip->pdata->wlc_irq) == 0) {
pr_err("%s :enable_irq_wake Enable(1)\n", __func__);
} else {
pr_err("%s :enable_irq_wake failed(1)\n", __func__);
if (chip->pdata->wlc_irq)
free_irq(chip->pdata->wlc_irq, 0);
goto out;
}
#endif
}
}
/* i2c_set_clientdata(client, chip); */
chip->charger = rt9536_charger_ps;
#if 1
ret = power_supply_register(&pdev->dev, &chip->charger);
if (ret) {
dev_err(&pdev->dev, "failed: power supply register\n");
/* i2c_set_clientdata(client, NULL); */
goto out;
}
#endif
chip->chg_done = 0;
chip->chg_online = 0;
INIT_WORK(&chip->wireless_interrupt_work, wlc_interrupt_worker);
INIT_WORK(&chip->wireless_set_online_work, wlc_set_online_work);
INIT_WORK(&chip->wireless_set_offline_work, wlc_set_offline_work);
INIT_WORK(&chip->wireless_eoc_work, wlc_eoc_work);
#ifndef BIGLAKE_TEST
printk("[RT9536] wlc_is_connected is %d\n", wlc_is_connected());
#endif
printk("%s : chip->pdata->irq_flags = [%d]\n", __func__, (int)chip->pdata->irq_flags);
the_chip = chip;
#if 0
disable_irq(chip->pdata->wlc_irq);
#endif
/* disable_irq(chip->pdata->wlc_irq); */
wlc_enable_irq(chip, 0);
if (rt9536_set_charger_enable(chip, 0)) {
pr_err("%s : charger disable fail!!!\n", __func__);
}
msleep(10);
if (rt9536_set_charger_enable(chip, 1)) {
pr_err("%s : charger enable fail!!!\n", __func__);
}
/* msleep(3); */
if (rt9536_set_cc_mode_4_35V(chip)) {
pr_err("%s : CC mode setting fail!!!\n", __func__);
}
/* schedule_work(&chip->wireless_interrupt_work); */
msleep(100);
/* enable_irq(chip->pdata->wlc_irq); */
wlc_enable_irq(chip, 1);
if (wlc_is_connected()) {
/* disable_irq(chip->pdata->wlc_irq); */
if (wlc_check_irq_pin(chip) == 0) {
/* enable_irq(chip->pdata->wlc_irq); */
wake_lock(&chip->wl);
chip->chg_online = 1;
power_supply_changed(&chip->charger);
printk("[RT9536] WLC is connected\n");
} else {
schedule_work(&chip->wireless_eoc_work);
}
} else {
schedule_work(&chip->wireless_set_offline_work);
printk("[RT9536] WLC is disconnected\n");
}
/* disable_irq(chip->pdata->wlc_irq); */
#if 0
__set_charger(chip, 1); /* just for test */
#ifdef BQ24160_CABLE_PWRON_INT
ret = request_threaded_irq(client->irq, NULL, bq24160_valid_handler,
IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING, client->name, chip);
#else
ret = request_threaded_irq(client->irq, NULL, bq24160_charger_handler,
IRQF_ONESHOT | IRQF_TRIGGER_LOW, client->name, chip);
#endif
if (unlikely(ret < 0)) {
dev_err(&client->dev, "%s failed to request IRQ %d\n", __func__, ret);
goto out;
}
irq_set_irq_wake(client->irq, 1);
#endif
printk("[RT9536] rt9536_probe done\n");
return 0;
err_request_irq:
if (chip->pdata->wlc_irq)
free_irq(chip->pdata->wlc_irq, 0);
err_qpio_request:
gpio_free(chip->pdata->wlc_en_set_pin);
out:
wake_lock_destroy(&chip->wl);
kfree(chip);
the_chip = NULL;
return ret;
}
