static int hi6402_read_saradc_value_detect(struct hi6402_mbhc_platform_data *pdata)
{
int retry = 3;
int reg_value = 0;
BUG_ON(NULL == pdata->p_irq);
mutex_lock(&pdata->saradc_mutex);
/* saradc on */
hi6402_reg_clr_bit(pdata->p_irq, HI6402_ANA_REG60, HI6402_SARADC_PD_BIT);
/* start saradc */
hi6402_reg_set_bit(pdata->p_irq, HI6402_ANA_REG60, HI6402_SAR_START_BIT);
while(retry--) {
usleep_range(1000, 1100);
if (check_saradc_value_ready_detect(pdata)) {
reg_value = hi6402_irq_read(pdata->p_irq, HI6402_SARADC_VALUE_REG);
pr_info("%s : saradc value is %#x\n", __FUNCTION__, reg_value);
break;
}
}
if (0 > retry)
pr_err("%s : get saradc value err, set as 0\n", __FUNCTION__);
/* end saradc */
hi6402_reg_clr_bit(pdata->p_irq, HI6402_ANA_REG60, HI6402_SAR_START_BIT);
/* saradc pd */
hi6402_reg_set_bit(pdata->p_irq, HI6402_ANA_REG60, HI6402_SARADC_PD_BIT);
mutex_unlock(&pdata->saradc_mutex);
return GET_VOLTAGE(reg_value);
}
static irqreturn_t hi6402_plugout_handler(int irq, void *data)
{
struct hi6402_mbhc_platform_data *pdata =
(struct hi6402_mbhc_platform_data *)data;
BUG_ON(NULL == pdata);
if (check_headset_pluged_in(pdata)) {
pr_info("%s : hs still plugin \n", __FUNCTION__);
return IRQ_HANDLED;
}
mutex_lock(&pdata->plug_mutex);
hi6402_irq_cancel_delay_work(pdata->p_irq);
hi6402_irq_mask_btn_irqs(pdata->p_irq);
//stop charge first
anc_hs_stop_charge();
/* eco off */
hi6402_reg_clr_bit(pdata->p_irq, HI6402_MICBIAS_ECO_REG, HI6402_MICBIAS_ECO_ON_BIT);
mutex_lock(&pdata->p_irq->hs_micbias_mutex);
/* hs micbias off */
pdata->p_irq->mbhc_micbias_work = false;
pdata->p_irq->dapm_micbias_work = false;
mutex_unlock(&pdata->p_irq->hs_micbias_mutex);
hi6402_irq_hs_micbias_enable(pdata->p_irq, false);
hi6402_irq_clr_btn_irqs(pdata->p_irq);
hi6402_irq_mask_btn_irqs(pdata->p_irq);
/* eco off */
hi6402_reg_clr_bit(pdata->p_irq, HI6402_MICBIAS_ECO_REG, HI6402_MICBIAS_ECO_ON_BIT);
pr_info("%s : eco disable \n", __FUNCTION__);
/* vref off */
hi6402_reg_set_bit(pdata->p_irq, HI6402_MBHC_VREF_REG, HI6402_MBHC_VREF_BIT);
/* mbhc cmp off */
hi6402_reg_set_bit(pdata->p_irq, HI6402_ANA_REG60, HI6402_MBHC_ON_BIT);
mutex_lock(&pdata->status_mutex);
pdata->hs_status = HISI_JACK_NONE;
pdata->btn_report = 0;
mutex_unlock(&pdata->status_mutex);
hi6402_jack_report(pdata);
hi6402_mbhc_enable_ldo8(pdata, false);
mutex_unlock(&pdata->plug_mutex);
return IRQ_HANDLED;
}
void hi6402_plug_out_workfunc(struct work_struct *work)
{
struct hi6402_mbhc_platform_data *pdata = container_of(work,
struct hi6402_mbhc_platform_data,
headset_plug_out_delay_work.work);
pr_info("%s : hs pluged out\n", __FUNCTION__);
BUG_ON(NULL == pdata);
wake_lock(&pdata->wake_lock);
mutex_lock(&pdata->plug_mutex);
mask_irq(pdata->irq[HI6402_IRQ_BTNDOWN_COMP1], true);
mask_irq(pdata->irq[HI6402_IRQ_BTNUP_COMP1], true);
mask_irq(pdata->irq[HI6402_IRQ_BTNDOWN_ECO], true);
/* todo */
hi6402_reg_clr_bit(pdata->p_irq, HI6402_MICBIAS_ECO_REG, 0);
hi6402_reg_set_bit(pdata->p_irq, HI6402_MBHC_VREF_REG, 7);
mutex_lock(&pdata->status_mutex);
pdata->hs_status = HISI_JACK_NONE;
pdata->btn_report = 0;
mutex_unlock(&pdata->status_mutex);
hi6402_jack_report(pdata);
mutex_unlock(&pdata->plug_mutex);
wake_unlock(&pdata->wake_lock);
/* unmask plugin interrupt */
mask_irq(pdata->irq[HI6402_IRQ_PLUGIN], false);
}
void hi6402_plug_in_detect(struct hi6402_mbhc_platform_data *pdata)
{
if (!check_headset_pluged_in(pdata))
return;
wake_lock(&pdata->wake_lock);
mutex_lock(&pdata->plug_mutex);
mutex_lock(&pdata->status_mutex);
/* todo : btn_report 4-pole headset only now */
pdata->hs_status = HISI_JACK_HEADSET;
pdata->btn_report = SND_JACK_HEADSET;
mutex_unlock(&pdata->status_mutex);
hi6402_jack_report(pdata);
/* todo */
hi6402_reg_clr_bit(pdata->p_irq, HI6402_MBHC_VREF_REG, 7);
hi6402_reg_set_bit(pdata->p_irq, HI6402_MICBIAS_ECO_REG, 0);
/* unmask btn down irq */
mask_irq(pdata->irq[HI6402_IRQ_BTNDOWN_COMP1], false);
mask_irq(pdata->irq[HI6402_IRQ_BTNDOWN_ECO], false);
mutex_unlock(&pdata->plug_mutex);
wake_unlock(&pdata->wake_lock);
}
static irqreturn_t hi6402_pll_unlock_handler(int irq, void *data)
{
struct hi6402_mbhc_platform_data *pdata =
(struct hi6402_mbhc_platform_data *)data;
BUG_ON(NULL == pdata);
unsigned int i = 0;
mutex_lock(&pdata->p_irq->pll_mutex);
if (0 != (hi6402_irq_read(pdata->p_irq, HI6402_PLL_PD_FLAG_REG) & PLL_PD_VALUE) || 0 != (hi6402_irq_read(pdata->p_irq, HI6402_PLL_LOCK_FLAG_REG) & PLL_LOCK_VALUE)){
pr_info("%s(%u): pll pd, ignore pll unlock irq! \n", __FUNCTION__, __LINE__);
/* mask pll unlock irq */
mutex_lock(&pdata->p_irq->irq_lock);
hi6402_reg_set_bit(pdata->p_irq, HI6402_MASK_IRQ_REG_2, HI6402_MASK_PLL_UNLOCK_BIT);
pdata->p_irq->mask2 |= 0x10;
mutex_unlock(&pdata->p_irq->irq_lock);
} else {
pr_info("%s(%u): pll unlock irq! \n", __FUNCTION__, __LINE__);
if (!dsm_client_ocuppy(dsm_audio_client)) {
dsm_client_record(dsm_audio_client, "DSM_HI6402_PLL_UNLOCK\n");
dsm_client_notify(dsm_audio_client, DSM_HI6402_PLL_UNLOCK);
}
for (i = PLL_UNLOCK_REG_START; i<= PLL_UNLOCK_REG_END; i++) {
pr_err("%s(%u): %x is %x \n", __FUNCTION__, __LINE__, i, hi6402_irq_read(pdata->p_irq, i));
}
pdata->p_irq->pll_status = HI6402_PLL_RST;
hi6402_irq_set_pll_mode(pdata->p_irq);
}
mutex_unlock(&pdata->p_irq->pll_mutex);
return IRQ_HANDLED;
}
static int hi6402_mbhc_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct hi6402_mbhc_platform_data *pdata = NULL;
const struct of_device_id *match = NULL;
int ret = 0;
pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
if (NULL == pdata) {
dev_err(dev, "cannot allocate hisi 6421 spk platform data\n");
return -ENOMEM;
}
match = of_match_device(hi6402_mbhc_of_match, dev);
if (!match) {
pr_err("get device info err\n");
return -ENOENT;
} else {
struct device_node *node = dev->of_node;
int temp;
/* get board defination */
if (!of_property_read_u32(node, "hisilicon,hi6402_hs_det_inv", &temp))
pdata->hs_det_inv = temp;
else
pdata->hs_det_inv = 0;
if (!of_property_read_u32(node, "hisilicon,hs_3_pole_min_voltage", &temp))
pdata->hs_3_pole_min_voltage = temp;
else
pdata->hs_3_pole_min_voltage = 0;
if (!of_property_read_u32(node, "hisilicon,hs_3_pole_max_voltage", &temp))
pdata->hs_3_pole_max_voltage = temp;
else
pdata->hs_3_pole_max_voltage = 0;
if (!of_property_read_u32(node, "hisilicon,hs_4_pole_min_voltage", &temp))
pdata->hs_4_pole_min_voltage = temp;
else
pdata->hs_4_pole_min_voltage = 0;
if (!of_property_read_u32(node, "hisilicon,hs_4_pole_max_voltage", &temp))
pdata->hs_4_pole_max_voltage = temp;
else
pdata->hs_4_pole_max_voltage = 0;
if (!of_property_read_u32(node, "hisilicon,btn_play_min_voltage", &temp))
pdata->btn_play_min_voltage = temp;
else
pdata->btn_play_min_voltage = 0;
if (!of_property_read_u32(node, "hisilicon,btn_play_max_voltage", &temp))
pdata->btn_play_max_voltage = temp;
else
pdata->btn_play_max_voltage = 0;
if (!of_property_read_u32(node, "hisilicon,btn_volume_up_min_voltage", &temp))
pdata->btn_volume_up_min_voltage = temp;
else
pdata->btn_volume_up_min_voltage = 0;
if (!of_property_read_u32(node, "hisilicon,btn_volume_up_max_voltage", &temp))
pdata->btn_volume_up_max_voltage = temp;
else
pdata->btn_volume_up_max_voltage = 0;
if (!of_property_read_u32(node, "hisilicon,btn_volume_down_min_voltage", &temp))
pdata->btn_volume_down_min_voltage = temp;
else
pdata->btn_volume_down_min_voltage = 0;
if (!of_property_read_u32(node, "hisilicon,btn_volume_down_max_voltage", &temp))
pdata->btn_volume_down_max_voltage = temp;
else
pdata->btn_volume_down_max_voltage = 0;
}
pdata->p_irq = dev_get_drvdata(pdev->dev.parent);
if (!pdata->p_irq) {
dev_err(dev, "get parend device error\n");
return -ENOENT;
}
#ifdef CONFIG_SWITCH
pdata->sdev.name = "h2w";
ret = switch_dev_register(&pdata->sdev);
if (ret) {
pr_err("%s : error registering switch device %d\n", __FUNCTION__, ret);
return ret;
}
#endif
/* get irqs */
pdata->irq[HI6402_IRQ_PLL_UNLOCK] = platform_get_irq_byname(pdev, "pll_unlock");
if (0 > pdata->irq[HI6402_IRQ_PLL_UNLOCK]) {
pr_err("get pll unlock error");
return -ENOENT;
}
pdata->irq[HI6402_IRQ_SOUND_TRIGER] = platform_get_irq_byname(pdev, "sound_triger");
if (0 > pdata->irq[HI6402_IRQ_SOUND_TRIGER]) {
pr_err("get sound triger error");
return -ENOENT;
}
pdata->irq[HI6402_IRQ_PLUGOUT] = platform_get_irq_byname(pdev, "plugout");
if (0 > pdata->irq[HI6402_IRQ_PLUGOUT]) {
pr_err("get plug out irq num error");
return -ENOENT;
}
pdata->irq[HI6402_IRQ_PLUGIN] = platform_get_irq_byname(pdev, "plugin");
if (0 > pdata->irq[HI6402_IRQ_PLUGIN]) {
pr_err("get plug in irq num error");
return -ENOENT;
}
pdata->irq[HI6402_IRQ_BTNDOWN_ECO] = platform_get_irq_byname(pdev, "btndown_eco");
if (0 > pdata->irq[HI6402_IRQ_BTNDOWN_ECO]) {
pr_err("get btn down eco irq num error");
return -ENOENT;
}
pdata->irq[HI6402_IRQ_BTNUP_ECO] = platform_get_irq_byname(pdev, "btnup_eco");
if (0 > pdata->irq[HI6402_IRQ_BTNUP_ECO]) {
pr_err("get btn up eco irq num error");
return -ENOENT;
}
pdata->irq[HI6402_IRQ_BTNDOWN_COMP1] = platform_get_irq_byname(pdev, "btndown");
if (0 > pdata->irq[HI6402_IRQ_BTNDOWN_COMP1]) {
pr_err("get btn down irq num error");
return -ENOENT;
}
pdata->irq[HI6402_IRQ_BTNUP_COMP1] = platform_get_irq_byname(pdev, "btnup");
if (0 > pdata->irq[HI6402_IRQ_BTNUP_COMP1]) {
pr_err("get btn up irq num error");
return -ENOENT;
}
wake_lock_init(&pdata->wake_lock, WAKE_LOCK_SUSPEND, "hisi-6402-mbhc");
wake_lock_init(&pdata->soundtrigger_wake_lock, WAKE_LOCK_SUSPEND, "hisi-6402-soundtrigger");
mutex_init(&pdata->plug_mutex);
mutex_init(&pdata->status_mutex);
mutex_init(&pdata->saradc_mutex);
/* irq request : pll unlock */
ret = devm_request_threaded_irq(dev, pdata->irq[HI6402_IRQ_PLL_UNLOCK], NULL,
hi6402_pll_unlock_handler,
IRQF_NO_SUSPEND | IRQF_ONESHOT,
"pll_unlock", pdata);
if (0 > ret) {
pr_err("request irq for pll unlock err\n");
goto pll_unlock_err;
}
mutex_lock(&pdata->p_irq->irq_lock);
hi6402_reg_set_bit(pdata->p_irq, HI6402_MASK_IRQ_REG_2, HI6402_MASK_PLL_UNLOCK_BIT);
pdata->p_irq->mask2 |= 0x10;
mutex_unlock(&pdata->p_irq->irq_lock);
/* irq request : sound triger */
ret = devm_request_threaded_irq(dev, pdata->irq[HI6402_IRQ_SOUND_TRIGER], NULL,
hi6402_sound_triger_handler,
IRQF_NO_SUSPEND | IRQF_ONESHOT,
"sound_triger", pdata);
if (0 > ret) {
pr_err("request irq for sound triger err\n");
goto sound_triger_err;
}
/* irq request : plugout */
ret = devm_request_threaded_irq(dev, pdata->irq[HI6402_IRQ_PLUGOUT], NULL,
hi6402_plugout_handler,
IRQF_NO_SUSPEND | IRQF_ONESHOT,
"plugout", pdata);
if (0 > ret) {
pr_err("request irq for plugout err\n");
goto plugout_err;
}
/* irq request : plugin */
ret = devm_request_threaded_irq(dev, pdata->irq[HI6402_IRQ_PLUGIN], NULL,
hi6402_plugin_handler,
IRQF_NO_SUSPEND | IRQF_ONESHOT,
"plugin", pdata);
if (0 > ret) {
pr_err("request irq for plugin err\n");
goto plugin_err;
}
/* irq request : button up(eco mode) */
ret = devm_request_threaded_irq(dev, pdata->irq[HI6402_IRQ_BTNUP_ECO], NULL,
hi6402_btnup_eco_handler,
IRQF_NO_SUSPEND | IRQF_ONESHOT,
"btnup_eco", pdata);
if (0 > ret) {
pr_err("request irq for btnup eco err\n");
goto btnup_eco_err;
}
/* irq request : button down(eco mode) */
ret = devm_request_threaded_irq(dev, pdata->irq[HI6402_IRQ_BTNDOWN_ECO], NULL,
hi6402_btndown_eco_handler,
IRQF_NO_SUSPEND | IRQF_ONESHOT,
"btndown_eco", pdata);
if (0 > ret) {
pr_err("request irq for btndown eco err\n");
goto btndown_eco_err;
}
/* irq request : button down */
ret = devm_request_threaded_irq(dev, pdata->irq[HI6402_IRQ_BTNDOWN_COMP1], NULL,
hi6402_btndown_handler,
IRQF_NO_SUSPEND | IRQF_ONESHOT,
"btndown_comp1", pdata);
if (0 > ret) {
pr_err("request irq for btndown comp1 err\n");
goto btndown_comp1_err;
}
/* irq request : button up */
ret = devm_request_threaded_irq(dev, pdata->irq[HI6402_IRQ_BTNUP_COMP1], NULL,
hi6402_btnup_handler,
IRQF_NO_SUSPEND | IRQF_ONESHOT,
"btnup_comp1", pdata);
if (0 > ret) {
pr_err("request irq for btnup comp1 err\n");
goto btnup_comp1_err;
}
hi6402_irq_mask_btn_irqs(pdata->p_irq);
hi6402_irq_clr_btn_irqs(pdata->p_irq);
/* enable hsdet */
hi6402_irq_write(pdata->p_irq, HI6402_REG_HSDET_CTRL, 0x19);
hi6402_irq_write(pdata->p_irq, HI6402_MBHC_VREF_REG, 0x8E);
//register anc hs first
anc_hs_dev_register(&anc_dev, pdata);
//register soundtrigger input device.
ret = soundtrigger_input_init(dev);
if(ret)
pr_err("input registor failed: %d\n", ret);
#if 0
/* check jack at first time */
if (check_headset_pluged_in(pdata))
hi6402_plug_in_detect(pdata);
#endif
pdata->miscdev.minor = MISC_DYNAMIC_MINOR;
pdata->miscdev.name = "hi6402_mbhc";
ret = misc_register(&pdata->miscdev);
if (ret) {
loge("%s : hisi 6421 spk_device register failed", __FUNCTION__);
goto btnup_comp1_err;
}
if (!dsm_audio_client) {
dsm_audio_client = dsm_register_client(&dsm_audio);
}
pr_info("%s : hi6402 mbhc probe ok \n", __FUNCTION__);
return ret;
btnup_comp1_err:
free_irq(pdata->irq[HI6402_IRQ_BTNDOWN_COMP1], pdata);
btndown_comp1_err:
free_irq(pdata->irq[HI6402_IRQ_BTNDOWN_ECO], pdata);
btndown_eco_err:
free_irq(pdata->irq[HI6402_IRQ_BTNUP_ECO], pdata);
btnup_eco_err:
free_irq(pdata->irq[HI6402_IRQ_PLUGIN], pdata);
plugin_err:
free_irq(pdata->irq[HI6402_IRQ_PLUGOUT], pdata);
plugout_err:
free_irq(pdata->irq[HI6402_IRQ_SOUND_TRIGER], pdata);
sound_triger_err:
free_irq(pdata->irq[HI6402_IRQ_PLL_UNLOCK], pdata);
pll_unlock_err:
wake_lock_destroy(&pdata->soundtrigger_wake_lock);
wake_lock_destroy(&pdata->wake_lock);
mutex_destroy(&pdata->plug_mutex);
mutex_destroy(&pdata->status_mutex);
return ret;
}