Exemple #1
0
static irqreturn_t arizona_irq_thread(int irq, void *data)
{
	struct arizona *arizona = data;
	unsigned int val;
	int ret;

	ret = pm_runtime_get_sync(arizona->dev);
	if (ret < 0) {
		dev_err(arizona->dev, "Failed to resume device: %d\n", ret);
		return IRQ_NONE;
	}

	/* Always handle the AoD domain */
	handle_nested_irq(arizona->virq[0]);

	/*
	 * Check if one of the main interrupts is asserted and only
	 * check that domain if it is.
	 */
	ret = regmap_read(arizona->regmap, ARIZONA_IRQ_PIN_STATUS, &val);
	if (ret == 0 && val & ARIZONA_IRQ1_STS) {
		handle_nested_irq(arizona->virq[1]);
	} else if (ret != 0) {
		dev_err(arizona->dev, "Failed to read main IRQ status: %d\n",
			ret);
	}

	pm_runtime_mark_last_busy(arizona->dev);
	pm_runtime_put_autosuspend(arizona->dev);

	return IRQ_HANDLED;
}
static void wcd9xxx_irq_dispatch(struct wcd9xxx_core_resource *wcd9xxx_res,
			struct intr_data *irqdata)
{
	int irqbit = irqdata->intr_num;
	if (!wcd9xxx_res->codec_reg_write) {
		pr_err("%s: codec read/write callback not defined\n",
			   __func__);
		return;
	}

	if (irqdata->clear_first) {
		wcd9xxx_nested_irq_lock(wcd9xxx_res);
		wcd9xxx_res->codec_reg_write(wcd9xxx_res,
				WCD9XXX_A_INTR_CLEAR0 + BIT_BYTE(irqbit),
				BYTE_BIT_MASK(irqbit));

		if (wcd9xxx_get_intf_type() == WCD9XXX_INTERFACE_TYPE_I2C)
			wcd9xxx_res->codec_reg_write(wcd9xxx_res,
						WCD9XXX_A_INTR_MODE, 0x02);
		handle_nested_irq(phyirq_to_virq(wcd9xxx_res, irqbit));
		wcd9xxx_nested_irq_unlock(wcd9xxx_res);
	} else {
		wcd9xxx_nested_irq_lock(wcd9xxx_res);
		handle_nested_irq(phyirq_to_virq(wcd9xxx_res, irqbit));
		wcd9xxx_res->codec_reg_write(wcd9xxx_res,
				WCD9XXX_A_INTR_CLEAR0 + BIT_BYTE(irqbit),
				BYTE_BIT_MASK(irqbit));
		if (wcd9xxx_get_intf_type() == WCD9XXX_INTERFACE_TYPE_I2C)
			wcd9xxx_res->codec_reg_write(wcd9xxx_res,
						WCD9XXX_A_INTR_MODE, 0x02);

		wcd9xxx_nested_irq_unlock(wcd9xxx_res);
	}
}
static irqreturn_t arizona_irq_thread(int irq, void *data)
{
	struct arizona *arizona = data;
	bool poll;
	unsigned int val, nest_irq;
	int ret;

	ret = pm_runtime_get_sync(arizona->dev);
	if (ret < 0) {
		dev_err(arizona->dev, "Failed to resume device: %d\n", ret);
		return IRQ_NONE;
	}

	do {
		poll = false;

		if (arizona->aod_irq_chip)
			handle_nested_irq(irq_find_mapping(arizona->virq, 0));

		if (arizona->irq_chip) {
			/*
			 * Check if one of the main interrupts is asserted and
			 * only check that domain if it is.
			 */
			ret = regmap_read(arizona->regmap,
					  ARIZONA_IRQ_PIN_STATUS,
					  &val);
			if (ret == 0 && val & ARIZONA_IRQ1_STS) {
				nest_irq = irq_find_mapping(arizona->virq, 1);
				handle_nested_irq(nest_irq);
			} else if (ret != 0) {
				dev_err(arizona->dev,
					"Failed to read main IRQ status: %d\n",
					ret);
			}
		}

		/*
		 * Poll the IRQ pin status to see if we're really done
		 * if the interrupt controller can't do it for us.
		 */
		if (!arizona->pdata.irq_gpio) {
			break;
		} else if (arizona->pdata.irq_flags & IRQF_TRIGGER_RISING &&
			   gpio_get_value_cansleep(arizona->pdata.irq_gpio)) {
			poll = true;
		} else if (arizona->pdata.irq_flags & IRQF_TRIGGER_FALLING &&
			   !gpio_get_value_cansleep(arizona->pdata.irq_gpio)) {
			poll = true;
		}
	} while (poll);

	pm_runtime_mark_last_busy(arizona->dev);
	pm_runtime_put_autosuspend(arizona->dev);

	return IRQ_HANDLED;
}
static irqreturn_t t0_g_det_thread(int irq, void *data)
{
	struct wm1811_machine_priv *wm1811 = data;
	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(wm1811->codec);
	struct snd_soc_codec *codec = wm8994->codec;


	if (wm1811->get_g_det_value_f()) {

		pr_info("%s: G_DET_N GPIO is High!!!!", __func__);

		mutex_lock(&wm8994->accdet_lock);

		snd_soc_update_bits(codec, WM8958_MICBIAS2,
				    WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);

		/* Enable debounce while removed */
		snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
				    WM1811_JACKDET_DB, WM1811_JACKDET_DB);

		wm8994->mic_detecting = false;
		wm8994->jack_mic = false;

		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
					    WM8958_MICD_ENA, 0);

		t0_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);

		mutex_unlock(&wm8994->accdet_lock);

		mutex_lock(&codec->mutex);

		snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS2");
		snd_soc_dapm_sync(&codec->dapm);

		mutex_unlock(&codec->mutex);

		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
				    SND_JACK_MECHANICAL | SND_JACK_HEADSET |
				    wm8994->btn_mask);
	} else {
		pr_info("%s: G_DET_N GPIO is Low!!!!", __func__);

		handle_nested_irq(WM1811_JACKDET_IRQ_NUM);
		msleep(100);
		handle_nested_irq(WM1811_MIC_IRQ_NUM);
	}

	return IRQ_HANDLED;

}
Exemple #5
0
static irqreturn_t arizona_irq_thread(int irq, void *data)
{
	struct arizona *arizona = data;
	bool poll;
	unsigned int val;
	int ret;

	ret = pm_runtime_get_sync(arizona->dev);
	if (ret < 0) {
		dev_err(arizona->dev, "Failed to resume device: %d\n", ret);
		return IRQ_NONE;
	}

	do {
		poll = false;

		/* Always handle the AoD domain */
		handle_nested_irq(arizona->virq[0]);

		/*
		 * Check if one of the main interrupts is asserted and only
		 * check that domain if it is.
		 */
		ret = regmap_read(arizona->regmap, ARIZONA_IRQ_PIN_STATUS,
				  &val);
		if (ret == 0 && val & ARIZONA_IRQ1_STS) {
			handle_nested_irq(arizona->virq[1]);
		} else if (ret != 0) {
			dev_err(arizona->dev,
				"Failed to read main IRQ status: %d\n", ret);
		}

		/*
		 * Poll the IRQ pin status to see if we're really done
		 * if the interrupt controller can't do it for us.
		 */
		if (!arizona->pdata.irq_gpio) {
			break;
		} else if (arizona->pdata.irq_flags & IRQF_TRIGGER_RISING &&
			   gpio_get_value_cansleep(arizona->pdata.irq_gpio)) {
			poll = true;
		} else if (arizona->pdata.irq_flags & IRQF_TRIGGER_FALLING &&
			   !gpio_get_value_cansleep(arizona->pdata.irq_gpio)) {
			poll = true;
		}
	} while (poll);

	pm_runtime_put(arizona->dev);

	return IRQ_HANDLED;
}
Exemple #6
0
static irqreturn_t tc3589x_irq(int irq, void *data)
{
	struct tc3589x *tc3589x = data;
	int status;

again:
	status = tc3589x_reg_read(tc3589x, TC3589x_IRQST);
	if (status < 0)
		return IRQ_NONE;

	while (status) {
		int bit = __ffs(status);

		handle_nested_irq(tc3589x->irq_base + bit);
		status &= ~(1 << bit);
	}

	/*
	 * A dummy read or write (to any register) appears to be necessary to
	 * have the last interrupt clear (for example, GPIO IC write) take
	 * effect. In such a case, recheck for any interrupt which is still
	 * pending.
	 */
	status = tc3589x_reg_read(tc3589x, TC3589x_IRQST);
	if (status)
		goto again;

	return IRQ_HANDLED;
}
Exemple #7
0
static irqreturn_t crystalcove_gpio_irq_handler(int irq, void *data)
{
	struct crystalcove_gpio *cg = data;
	unsigned int p0, p1;
	int pending;
	int gpio;
	unsigned int virq;

	if (regmap_read(cg->regmap, GPIO0IRQ, &p0) ||
	    regmap_read(cg->regmap, GPIO1IRQ, &p1))
		return IRQ_NONE;

	regmap_write(cg->regmap, GPIO0IRQ, p0);
	regmap_write(cg->regmap, GPIO1IRQ, p1);

	pending = p0 | p1 << 8;

	for (gpio = 0; gpio < CRYSTALCOVE_GPIO_NUM; gpio++) {
		if (pending & BIT(gpio)) {
			virq = irq_find_mapping(cg->chip.irqdomain, gpio);
			handle_nested_irq(virq);
		}
	}

	return IRQ_HANDLED;
}
Exemple #8
0
static irqreturn_t adp5588_irq_handler(int irq, void *devid)
{
	struct adp5588_gpio *dev = devid;
	unsigned status, bank, bit, pending;
	int ret;
	status = adp5588_gpio_read(dev->client, INT_STAT);

	if (status & ADP5588_GPI_INT) {
		ret = adp5588_gpio_read_intstat(dev->client, dev->irq_stat);
		if (ret < 0)
			memset(dev->irq_stat, 0, ARRAY_SIZE(dev->irq_stat));

		for (bank = 0, bit = 0; bank <= ADP5588_BANK(ADP5588_MAXGPIO);
			bank++, bit = 0) {
			pending = dev->irq_stat[bank] & dev->irq_mask[bank];

			while (pending) {
				if (pending & (1 << bit)) {
					handle_nested_irq(dev->irq_base +
							  (bank << 3) + bit);
					pending &= ~(1 << bit);

				}
				bit++;
			}
		}
	}

	adp5588_gpio_write(dev->client, INT_STAT, status); /* Status is W1C */

	return IRQ_HANDLED;
}
static irqreturn_t wsa_irq_thread(int irq, void *data)
{
	struct wsa_resource *wsa_res = data;
	int i;
	u8 status;

	if (wsa_res == NULL) {
		pr_err("%s: wsa_res is NULL\n", __func__);
		return IRQ_HANDLED;
	}
	if (wsa_res->codec == NULL) {
		pr_err("%s: codec pointer not registered\n", __func__);
		if (ptr_codec == NULL) {
			pr_err("%s: did not recieve valid codec pointer\n",
					__func__);
			return IRQ_HANDLED;
		} else {
			wsa_res->codec = ptr_codec;
		}
	}
	status = snd_soc_read(wsa_res->codec, WSA881X_INTR_STATUS);
	/* Apply masking */
	status &= ~wsa_res->irq_masks_cur;

	for (i = 0; i < wsa_res->num_irqs; i++) {
		if (status & BYTE_BIT_MASK(i)) {
			mutex_lock(&wsa_res->nested_irq_lock);
			handle_nested_irq(phyirq_to_virq(wsa_res, i));
			mutex_unlock(&wsa_res->nested_irq_lock);
		}
	}

	return IRQ_HANDLED;
}
static irqreturn_t tc35892_irq(int irq, void *data)
{
	struct tc35892 *tc35892 = data;
	int status;

	status = tc35892_reg_read(tc35892, TC35892_IRQST);
	if (status < 0)
		return IRQ_NONE;

	while (status) {
		int bit = __ffs(status);

		handle_nested_irq(tc35892->irq_base + bit);
		status &= ~(1 << bit);
	}

	/*
	 * A dummy read or write (to any register) appears to be necessary to
	 * have the last interrupt clear (for example, GPIO IC write) take
	 * effect.
	 */
	tc35892_reg_read(tc35892, TC35892_IRQST);

	return IRQ_HANDLED;
}
Exemple #11
0
static void __do_irq(struct kthread_work *work)
{
	struct mcuio_soft_hc *shc =
		container_of(work, struct mcuio_soft_hc, do_irq);

	handle_nested_irq(shc->irqno);
}
static irqreturn_t modem_cpu_irq_handler(int irq, void *data)
{
	int real_irq;
	int virt_irq;
	struct modem_irq *mi = (struct modem_irq *)data;

	/* Read modem side IRQ number from modem IRQ controller */
	real_irq = readl(mi->modem_intcon_base + MODEM_IRQ_REG_OFFSET) & 0xFF;
	virt_irq = IRQ_MODEM_EVENTS_BASE + real_irq;

	pr_debug("modem_irq: Worker read addr 0x%X and got value 0x%X "
		 "which will be 0x%X (%d) which translates to "
		 "virtual IRQ 0x%X (%d)!\n",
		   (u32)mi->modem_intcon_base + MODEM_IRQ_REG_OFFSET,
		   real_irq,
		   real_irq & 0xFF,
		   real_irq & 0xFF,
		   virt_irq,
		   virt_irq);

	if (virt_irq != 0)
		handle_nested_irq(virt_irq);

	pr_debug("modem_irq: Done handling virtual IRQ %d!\n", virt_irq);

	return IRQ_HANDLED;
}
static irqreturn_t tps6586x_irq(int irq, void *data)
{
	struct tps6586x *tps6586x = data;
	u32 acks;
	int ret = 0;

	ret = tps6586x_reads(tps6586x->dev, TPS6586X_INT_ACK1,
			     sizeof(acks), (uint8_t *)&acks);

	if (ret < 0) {
		dev_err(tps6586x->dev, "failed to read interrupt status\n");
		return IRQ_NONE;
	}

	acks = le32_to_cpu(acks);

	while (acks) {
		int i = __ffs(acks);

		if (tps6586x->irq_en & (1 << i))
			handle_nested_irq(tps6586x->irq_base + i);

		acks &= ~(1 << i);
	}

	return IRQ_HANDLED;
}
Exemple #14
0
static irqreturn_t wm8994_edge_irq(int irq, void *data)
{
	struct wm8994 *wm8994 = data;

	while (gpio_get_value_cansleep(wm8994->pdata.irq_gpio))
		handle_nested_irq(irq_create_mapping(wm8994->edge_irq, 0));

	return IRQ_HANDLED;
}
Exemple #15
0
/*
 * This is a threaded IRQ handler so can access I2C/SPI.  Since the
 * IRQ handler explicitly clears the IRQ it handles the IRQ line
 * will be reasserted and the physical IRQ will be handled again if
 * another interrupt is asserted while we run - in the normal course
 * of events this is a rare occurrence so we save I2C/SPI reads. We're
 * also assuming that it's rare to get lots of interrupts firing
 * simultaneously so try to minimise I/O.
 */
static irqreturn_t tps65912_irq(int irq, void *irq_data)
{
	struct tps65912 *tps65912 = irq_data;
	u32 irq_sts;
	u32 irq_mask;
	u8 reg;
	int i;


	tps65912->read(tps65912, TPS65912_INT_STS, 1, &reg);
	irq_sts = reg;
	tps65912->read(tps65912, TPS65912_INT_STS2, 1, &reg);
	irq_sts |= reg << 8;
	tps65912->read(tps65912, TPS65912_INT_STS3, 1, &reg);
	irq_sts |= reg << 16;
	tps65912->read(tps65912, TPS65912_INT_STS4, 1, &reg);
	irq_sts |= reg << 24;

	tps65912->read(tps65912, TPS65912_INT_MSK, 1, &reg);
	irq_mask = reg;
	tps65912->read(tps65912, TPS65912_INT_MSK2, 1, &reg);
	irq_mask |= reg << 8;
	tps65912->read(tps65912, TPS65912_INT_MSK3, 1, &reg);
	irq_mask |= reg << 16;
	tps65912->read(tps65912, TPS65912_INT_MSK4, 1, &reg);
	irq_mask |= reg << 24;

	irq_sts &= ~irq_mask;
	if (!irq_sts)
		return IRQ_NONE;

	for (i = 0; i < tps65912->irq_num; i++) {
		if (!(irq_sts & (1 << i)))
			continue;

		handle_nested_irq(tps65912->irq_base + i);
	}

	/* Write the STS register back to clear IRQs we handled */
	reg = irq_sts & 0xFF;
	irq_sts >>= 8;
	if (reg)
		tps65912->write(tps65912, TPS65912_INT_STS, 1, &reg);
	reg = irq_sts & 0xFF;
	irq_sts >>= 8;
	if (reg)
		tps65912->write(tps65912, TPS65912_INT_STS2, 1, &reg);
	reg = irq_sts & 0xFF;
	irq_sts >>= 8;
	if (reg)
		tps65912->write(tps65912, TPS65912_INT_STS3, 1, &reg);
	reg = irq_sts & 0xFF;
	if (reg)
		tps65912->write(tps65912, TPS65912_INT_STS4, 1, &reg);

	return IRQ_HANDLED;
}
Exemple #16
0
static irqreturn_t max77693_irq_thread(int irq, void *data)
{
	struct max77693_dev *max77693 = data;
	u8 irq_reg[MAX77693_IRQ_GROUP_NR] = {};
	u8 irq_src;
	int ret;
	int i, cur_irq;

	ret = max77693_read_reg(max77693->regmap, MAX77693_PMIC_REG_INTSRC,
				&irq_src);
	if (ret < 0) {
		dev_err(max77693->dev, "Failed to read interrupt source: %d\n",
				ret);
		return IRQ_NONE;
	}

	if (irq_src & MAX77693_IRQSRC_CHG)
		/* CHG_INT */
		ret = max77693_read_reg(max77693->regmap, MAX77693_CHG_REG_CHG_INT,
				&irq_reg[CHG_INT]);

	if (irq_src & MAX77693_IRQSRC_TOP)
		/* TOPSYS_INT */
		ret = max77693_read_reg(max77693->regmap,
			MAX77693_PMIC_REG_TOPSYS_INT, &irq_reg[TOPSYS_INT]);

	if (irq_src & MAX77693_IRQSRC_FLASH)
		/* LED_INT */
		ret = max77693_read_reg(max77693->regmap,
			MAX77693_LED_REG_FLASH_INT, &irq_reg[LED_INT]);

	if (irq_src & MAX77693_IRQSRC_MUIC)
		/* MUIC INT1 ~ INT3 */
		max77693_bulk_read(max77693->regmap_muic, MAX77693_MUIC_REG_INT1,
			MAX77693_NUM_IRQ_MUIC_REGS, &irq_reg[MUIC_INT1]);

	/* Apply masking */
	for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
		if (i >= MUIC_INT1 && i <= MUIC_INT3)
			irq_reg[i] &= max77693->irq_masks_cur[i];
		else
			irq_reg[i] &= ~max77693->irq_masks_cur[i];
	}

	/* Report */
	for (i = 0; i < MAX77693_IRQ_NR; i++) {
		if (irq_reg[max77693_irqs[i].group] & max77693_irqs[i].mask) {
			cur_irq = irq_find_mapping(max77693->irq_domain, i);
			if (cur_irq)
				handle_nested_irq(cur_irq);
		}
	}

	return IRQ_HANDLED;
}
static irqreturn_t tps65910_irq(int irq, void *irq_data)
{
	struct tps65910 *tps65910 = irq_data;
	u32 irq_sts;
	u32 irq_mask;
	u8 reg;
	int i;

	tps65910->read(tps65910, TPS65910_INT_STS, 1, &reg);
	irq_sts = reg;
	tps65910->read(tps65910, TPS65910_INT_STS2, 1, &reg);
	irq_sts |= reg << 8;
	switch (tps65910_chip_id(tps65910)) {
	case TPS65911:
		tps65910->read(tps65910, TPS65910_INT_STS3, 1, &reg);
		irq_sts |= reg << 16;
	}

	tps65910->read(tps65910, TPS65910_INT_MSK, 1, &reg);
	irq_mask = reg;
	tps65910->read(tps65910, TPS65910_INT_MSK2, 1, &reg);
	irq_mask |= reg << 8;
	switch (tps65910_chip_id(tps65910)) {
	case TPS65911:
		tps65910->read(tps65910, TPS65910_INT_MSK3, 1, &reg);
		irq_mask |= reg << 16;
	}

	irq_sts &= ~irq_mask;

	if (!irq_sts)
		return IRQ_NONE;

	for (i = 0; i < tps65910->irq_num; i++) {

		if (!(irq_sts & (1 << i)))
			continue;

		handle_nested_irq(tps65910->irq_base + i);
	}

	/*                                                      */
	reg = irq_sts & 0xFF;
	irq_sts >>= 8;
	tps65910->write(tps65910, TPS65910_INT_STS, 1, &reg);
	reg = irq_sts & 0xFF;
	tps65910->write(tps65910, TPS65910_INT_STS2, 1, &reg);
	switch (tps65910_chip_id(tps65910)) {
	case TPS65911:
		reg = irq_sts >> 8;
		tps65910->write(tps65910, TPS65910_INT_STS3, 1, &reg);
	}

	return IRQ_HANDLED;
}
Exemple #18
0
static irqreturn_t max77665_irq_thread(int irq, void *data)
{
	struct max77665_dev *max77665 = data;
	u8 irq_reg[MAX77665_IRQ_GROUP_NR] = {0};
	u8 irq_src;
	int ret;
	int i;

	ret = max77665_read_reg(max77665->i2c, MAX77665_PMIC_REG_INTSRC,
				&irq_src);
	if (ret < 0) {
		dev_err(max77665->dev, "Failed to read interrupt source: %d\n",
				ret);
		return IRQ_NONE;
	}

	if (irq_src & MAX77665_IRQSRC_CHG)
		/* CHG_INT */
		ret = max77665_read_reg(max77665->i2c, MAX77665_CHG_REG_CHG_INT,
				&irq_reg[CHG_INT]);

	if (irq_src & MAX77665_IRQSRC_TOP)
		/* TOPSYS_INT */
		ret = max77665_read_reg(max77665->i2c,
			MAX77665_PMIC_REG_TOPSYS_INT, &irq_reg[TOPSYS_INT]);

	if (irq_src & MAX77665_IRQSRC_FLASH)
		/* LED_INT */
		ret = max77665_read_reg(max77665->i2c,
			MAX77665_LED_REG_FLASH_INT, &irq_reg[LED_INT]);

	if (irq_src & MAX77665_IRQSRC_MUIC) {
		/* MUIC INT1 */
		ret = max77665_read_reg(max77665->muic, 
			MAX77665_MUIC_REG_INT1, &irq_reg[MUIC_INT1]);
	}

	/* Apply masking */
	for (i = 0; i < MAX77665_IRQ_GROUP_NR; i++) {
		if(i == MUIC_INT1)
			irq_reg[i] &= max77665->irq_masks_cur[i];
		else
			irq_reg[i] &= ~max77665->irq_masks_cur[i];
	}

	/* Report */
	for (i = 0; i < MAX77665_IRQ_NR; i++) {
		if (irq_reg[max77665_irqs[i].group] & max77665_irqs[i].mask)
			handle_nested_irq(max77665->irq_base + i);
	}

	return IRQ_HANDLED;
}
Exemple #19
0
static void wcd9xxx_irq_dispatch(struct wcd9xxx *wcd9xxx, int irqbit)
{
	if ((irqbit <= WCD9XXX_IRQ_MBHC_INSERTION) &&
	    (irqbit >= WCD9XXX_IRQ_MBHC_REMOVAL)) {
		wcd9xxx_nested_irq_lock(wcd9xxx);
		wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_CLEAR0 +
					   BIT_BYTE(irqbit),
				  BYTE_BIT_MASK(irqbit));
		if (wcd9xxx_get_intf_type() == WCD9XXX_INTERFACE_TYPE_I2C)
			wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_MODE, 0x02);
		handle_nested_irq(phyirq_to_virq(wcd9xxx, irqbit));
		wcd9xxx_nested_irq_unlock(wcd9xxx);
	} else {
		wcd9xxx_nested_irq_lock(wcd9xxx);
		handle_nested_irq(phyirq_to_virq(wcd9xxx, irqbit));
		wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_CLEAR0 +
					   BIT_BYTE(irqbit),
				  BYTE_BIT_MASK(irqbit));
		if (wcd9xxx_get_intf_type() == WCD9XXX_INTERFACE_TYPE_I2C)
			wcd9xxx_reg_write(wcd9xxx, WCD9XXX_A_INTR_MODE, 0x02);
		wcd9xxx_nested_irq_unlock(wcd9xxx);
	}
}
Exemple #20
0
static irqreturn_t pmic_irq_thread(int irq, void *data)
{
	int i;
	int pending;

	mutex_lock(&pmic->irq_lock);
	intel_mid_pmic_writeb(MIRQLVL1, (u8)pmic->irq_mask);
	pending = intel_mid_pmic_readb(IRQLVL1) & (~pmic->irq_mask);
	for (i = 0; i < PMIC_IRQ_NUM; i++)
		if (pending & (1 << i))
			handle_nested_irq(pmic->irq_base + i);
	mutex_unlock(&pmic->irq_lock);
	return IRQ_HANDLED;
}
static irqreturn_t max14577_irq_thread(int irq, void *data)
{
	struct max14577_dev *max14577 = data;
	struct max14577_platform_data *pdata = max14577->pdata;
	u8 irq_reg[MAX14577_IRQ_REGS_NUM] = {0};
	u8 tmp_irq_reg[MAX14577_IRQ_REGS_NUM] = {};
	int gpio_val;
	int i;

	pr_debug("%s: irq gpio pre-state(0x%02x)\n", __func__,
		gpio_get_value(pdata->irq_gpio));

	do {
		/* MAX14577 INT1 ~ INT3 */
		max14577_bulk_read(max14577->i2c, MAX14577_REG_INT1,
				MAX14577_IRQ_REGS_NUM,
				&tmp_irq_reg[MAX14577_IRQ_INT1]);

		/* Or temp irq register to irq register for if it retries */
		for (i = MAX14577_IRQ_INT1; i < MAX14577_IRQ_REGS_NUM; i++)
			irq_reg[i] |= tmp_irq_reg[i];

		pr_info("%s: interrupt[1:0x%02x, 2:0x%02x, 3:0x%02x]\n",
			__func__, irq_reg[MAX14577_IRQ_INT1],
			irq_reg[MAX14577_IRQ_INT2], irq_reg[MAX14577_IRQ_INT3]);

		gpio_val = gpio_get_value(pdata->irq_gpio);

		pr_debug("%s: irq gpio post-state(0x%02x)\n", __func__,
				gpio_val);

		if (gpio_get_value(pdata->irq_gpio) == 0)
			pr_warn("%s: irq_gpio is not High, retry read int reg\n",
					__func__);
	} while (gpio_val == 0);

	/* Apply masking */
	for (i = 0; i < MAX14577_IRQ_REGS_NUM; i++)
		irq_reg[i] &= max14577->irq_masks_cur[i];

	/* Report */
	for (i = 0; i < MAX14577_IRQ_NUM; i++) {
		if (irq_reg[max14577_irqs[i].group] & max14577_irqs[i].mask)
			handle_nested_irq(pdata->irq_base + i);
	}

	return IRQ_HANDLED;
}
Exemple #22
0
static void atc260x_onoff_irq_handle(struct atc260x_onoff_dev *atc260x_onoff)
{
	if(atc260x_onoff->regdef->reg_reset_pnd != 0 && onoff_reset_irq > 0)
	{
		int ret;
		struct atc260x_dev *atc260x = atc260x_onoff->atc260x;
		const struct atc260x_onoff_regdef *regdef = atc260x_onoff->regdef;

		ret = atc260x_reg_read(atc260x, regdef->reg_reset_pnd);
		if(ret > 0 && (ret & regdef->reset_pnd_bitm) != 0)
		{
			handle_nested_irq(onoff_reset_irq);
			pr_err("[onoff_reset_irq] %s: send irq!\n", __func__);
		}
	}
}
Exemple #23
0
/*
 * This is a threaded IRQ handler so can access I2C/SPI.  Since all
 * interrupts are clear on read the IRQ line will be reasserted and
 * the physical IRQ will be handled again if another interrupt is
 * asserted while we run - in the normal course of events this is a
 * rare occurrence so we save I2C/SPI reads.  We're also assuming that
 * it's rare to get lots of interrupts firing simultaneously so try to
 * minimise I/O.
 */
static irqreturn_t rk808_irq(int irq, void *irq_data)
{
	struct rk808 *rk808 = irq_data;
	u32 irq_sts;
	u32 irq_mask;
	u8 reg;
	int i, cur_irq;
//	printk("%s,line=%d\n", __func__,__LINE__);	

	wake_lock(&rk808->irq_wake);	
	rk808_i2c_read(rk808, RK808_INT_STS_REG1, 1, &reg);
	irq_sts = reg;
	rk808_i2c_read(rk808, RK808_INT_STS_REG2, 1, &reg);
	irq_sts |= reg << 8;
	
	rk808_i2c_read(rk808, RK808_INT_STS_MSK_REG1, 1, &reg);
	irq_mask = reg;
	rk808_i2c_read(rk808, RK808_INT_STS_MSK_REG2, 1, &reg);
	irq_mask |= reg << 8;

	irq_sts &= ~irq_mask;

	if (!irq_sts)
	{
		wake_unlock(&rk808->irq_wake);
		return IRQ_NONE;
	}

	for (i = 0; i < rk808->irq_num; i++) {
		if (!(irq_sts & (1 << i)))
			continue;
		cur_irq = irq_find_mapping(rk808->irq_domain, i);

		if (cur_irq)
		handle_nested_irq(cur_irq);
	}

	/* Write the STS register back to clear IRQs we handled */
	reg = irq_sts & 0xFF;
	irq_sts >>= 8;
	rk808_i2c_write(rk808, RK808_INT_STS_REG1, 1, reg);
	reg = irq_sts & 0xFF;
	rk808_i2c_write(rk808, RK808_INT_STS_REG2, 1, reg);
	wake_unlock(&rk808->irq_wake);
	return IRQ_HANDLED;
}
static irqreturn_t max77828_irq_thread(int irq, void *data)
{
	struct max77828_dev *max77828 = data;
	u8 irq_reg[MAX77828_IRQ_GROUP_NR] = {0};
	u8 tmp_irq_reg[MAX77828_IRQ_GROUP_NR] = {};
	int i;
	pr_debug("%s: irq gpio pre-state(0x%02x)\n", __func__,
		gpio_get_value(max77828->irq_gpio));

clear_retry:
	max77828_bulk_read(max77828->muic, MAX77828_MUIC_REG_INT1,
			MAX77828_NUM_IRQ_MUIC_REGS,
			&tmp_irq_reg[MUIC_INT1]);

	/* Or temp irq register to irq register for if it retries */
	for (i = MUIC_INT1; i < MAX77828_IRQ_GROUP_NR; i++)
		irq_reg[i] |= tmp_irq_reg[i];

	pr_info("%s: muic interrupt(0x%02x, 0x%02x, 0x%02x)\n",
		__func__, irq_reg[MUIC_INT1],
		irq_reg[MUIC_INT2], irq_reg[MUIC_INT3]);

	pr_debug("%s: irq gpio post-state(0x%02x)\n", __func__,
		gpio_get_value(max77828->irq_gpio));

	if (gpio_get_value(max77828->irq_gpio) == 0) {
		pr_warn("%s: irq_gpio is not High!\n", __func__);
		goto clear_retry;
	}

	/* Apply masking */
/*
	for (i = 0; i < MAX77828_IRQ_GROUP_NR; i++) {
			irq_reg[i] &= max77828->irq_masks_cur[i];
	}
*/
	/* Report */
	for (i = 0; i < MAX77828_IRQ_NR; i++) {
		if (irq_reg[max77828_irqs[i].group] & max77828_irqs[i].mask)
			handle_nested_irq(max77828->irq_base + i);
	}

	return IRQ_HANDLED;
}
/*
 * This is a threaded IRQ handler so can access I2C/SPI.  Since all
 * interrupts are clear on read the IRQ line will be reasserted and
 * the physical IRQ will be handled again if another interrupt is
 * asserted while we run - in the normal course of events this is a
 * rare occurrence so we save I2C/SPI reads.  We're also assuming that
 * it's rare to get lots of interrupts firing simultaneously so try to
 * minimise I/O.
 */
static irqreturn_t rk808_irq(int irq, void *irq_data)
{
	struct rk808 *rk808 = irq_data;
	u32 irq_sts;
	u32 irq_mask;
	u8 reg;
	int i;
	//printk(" rk808 irq %d \n",irq);	
	wake_lock(&rk808->irq_wake);	
	rk808_i2c_read(rk808, RK808_INT_STS_REG1, 1, &reg);
	irq_sts = reg;
	rk808_i2c_read(rk808, RK808_INT_STS_REG2, 1, &reg);
	irq_sts |= reg << 8;
	
	rk808_i2c_read(rk808, RK808_INT_STS_MSK_REG1, 1, &reg);
	irq_mask = reg;
	rk808_i2c_read(rk808, RK808_INT_STS_MSK_REG2, 1, &reg);
	irq_mask |= reg << 8;

	irq_sts &= ~irq_mask;

	if (!irq_sts)
	{
		wake_unlock(&rk808->irq_wake);
		return IRQ_NONE;
	}

	for (i = 0; i < rk808->irq_num; i++) {

		if (!(irq_sts & (1 << i)))
			continue;

		handle_nested_irq(rk808->irq_base + i);
	}

	/* Write the STS register back to clear IRQs we handled */
	reg = irq_sts & 0xFF;
	irq_sts >>= 8;
	rk808_i2c_write(rk808, RK808_INT_STS_REG1, 1, reg);
	reg = irq_sts & 0xFF;
	rk808_i2c_write(rk808, RK808_INT_STS_REG2, 1, reg);
	wake_unlock(&rk808->irq_wake);
	return IRQ_HANDLED;
}
Exemple #26
0
static irqreturn_t max732x_irq_handler(int irq, void *devid)
{
	struct max732x_chip *chip = devid;
	uint8_t pending;
	uint8_t level;

	pending = max732x_irq_pending(chip);

	if (!pending)
		return IRQ_HANDLED;

	do {
		level = __ffs(pending);
		handle_nested_irq(level + chip->irq_base);

		pending &= ~(1 << level);
	} while (pending);

	return IRQ_HANDLED;
}
Exemple #27
0
static irqreturn_t sec_pmic_irq_thread(int irq, void *data)
{

	struct sec_pmic_dev *sec_pmic = data;
	u8 irq_reg[NUM_IRQ_REGS-1];
	int ret;
	int i, reg_int1;

	switch (sec_pmic->device_type) {
	case S5M8763X:
	case S5M8767X:
		reg_int1 = S5M8767_REG_INT1;
		break;
	case S2MPS11X:
		reg_int1 = S2MPS11_REG_INT1;
		break;
	default:
		dev_err(sec_pmic->dev,
			"Unknown device type %d\n",
			sec_pmic->device_type);
		return -EINVAL;
	}

	ret = sec_bulk_read(sec_pmic, reg_int1,
				NUM_IRQ_REGS - 1, irq_reg);
	if (ret < 0) {
		dev_err(sec_pmic->dev, "Failed to read interrupt register: %d\n",
				ret);
		return IRQ_NONE;
	}

	for (i = 0; i < NUM_IRQ_REGS - 1; i++)
		irq_reg[i] &= ~sec_pmic->irq_masks_cur[i];

	for (i = 0; i < S2MPS11_IRQ_NR; i++) {
		if (irq_reg[s2mps11_irqs[i].reg - 1] & s2mps11_irqs[i].mask)
			handle_nested_irq(sec_pmic->irq_base + i);
	}

	return IRQ_HANDLED;
}
Exemple #28
0
/*
 * This is a threaded IRQ handler so can access I2C/SPI.  Since all
 * interrupts are clear on read the IRQ line will be reasserted and
 * the physical IRQ will be handled again if another interrupt is
 * asserted while we run - in the normal course of events this is a
 * rare occurrence so we save I2C/SPI reads.  We're also assuming that
 * it's rare to get lots of interrupts firing simultaneously so try to
 * minimise I/O.
 */
static irqreturn_t tps65910_irq(int irq, void *irq_data)
{
	struct tps65910 *tps65910 = irq_data;
	u16 irq_sts;
	u16 irq_mask;
	u8 reg;
	int i;

	tps65910->read(tps65910, TPS65910_INT_STS, 1, &reg);
	irq_sts = reg;
	tps65910->read(tps65910, TPS65910_INT_STS2, 1, &reg);
	irq_sts |= reg << 8;

	tps65910->read(tps65910, TPS65910_INT_MSK, 1, &reg);
	irq_mask = reg;
	tps65910->read(tps65910, TPS65910_INT_MSK2, 1, &reg);
	irq_mask |= reg << 8;

	irq_sts &= ~irq_mask;

	if (!irq_sts)
		return IRQ_NONE;

	for (i = 0; i < TPS65910_NUM_IRQ; i++) {

		if (!(irq_sts & (1 << i)))
			continue;

		handle_nested_irq(tps65910->irq_base + i);
	}

	/* Write the STS register back to clear IRQs we handled */
	reg = irq_sts & 0xFF;
	tps65910->write(tps65910, TPS65910_INT_STS, 1, &reg);
	reg = irq_sts >> 8;
	tps65910->write(tps65910, TPS65910_INT_STS2, 1, &reg);

	return IRQ_HANDLED;
}
static irqreturn_t max77693_irq_thread(int irq, void *data)
{
	struct max77693_dev *max77693 = data;
	u8 irq_reg[MAX77693_IRQ_GROUP_NR] = {};
	u8 irq_src;
	int ret;
	int i;
	pr_debug("%s: irq gpio pre-state(0x%02x)\n", __func__,
		gpio_get_value(max77693->irq_gpio));

clear_retry:
	ret = max77693_read_reg(max77693->i2c,
		MAX77693_PMIC_REG_INTSRC, &irq_src);
	if (ret < 0) {
		dev_err(max77693->dev, "Failed to read interrupt source: %d\n",
				ret);
		return IRQ_NONE;
	}
	pr_info("%s: interrupt source(0x%02x)\n", __func__, irq_src);

	if (irq_src & MAX77693_IRQSRC_CHG) {
		/* CHG_INT */
		ret = max77693_read_reg(max77693->i2c, MAX77693_CHG_REG_CHG_INT,
				&irq_reg[CHG_INT]);
		pr_info("%s: charger interrupt(0x%02x)\n",
			__func__, irq_reg[CHG_INT]);
	}

	if (irq_src & MAX77693_IRQSRC_TOP) {
		/* TOPSYS_INT */
		ret = max77693_read_reg(max77693->i2c,
				MAX77693_PMIC_REG_TOPSYS_INT,
				&irq_reg[TOPSYS_INT]);
		pr_info("%s: topsys interrupt(0x%02x)\n",
			__func__, irq_reg[TOPSYS_INT]);
	}

	if (irq_src & MAX77693_IRQSRC_FLASH) {
		/* LED_INT */
		ret = max77693_read_reg(max77693->i2c,
				MAX77693_LED_REG_FLASH_INT,
				&irq_reg[LED_INT]);
		pr_info("%s: led interrupt(0x%02x)\n",
			__func__, irq_reg[LED_INT]);
	}

	if (irq_src & MAX77693_IRQSRC_MUIC) {
		/* MUIC INT1 ~ INT3 */
		max77693_bulk_read(max77693->muic,
		MAX77693_MUIC_REG_INT1,
		MAX77693_NUM_IRQ_MUIC_REGS,
				&irq_reg[MUIC_INT1]);
		pr_info("%s: muic interrupt(0x%02x, 0x%02x, 0x%02x)\n",
			__func__, irq_reg[MUIC_INT1],
			irq_reg[MUIC_INT2], irq_reg[MUIC_INT3]);
	}

	pr_debug("%s: irq gpio post-state(0x%02x)\n", __func__,
		gpio_get_value(max77693->irq_gpio));

	if (gpio_get_value(max77693->irq_gpio) == 0) {
		pr_warn("%s: irq_gpio is not High!\n", __func__);
		goto clear_retry;
	}

	/* Apply masking */
	for (i = 0; i < MAX77693_IRQ_GROUP_NR; i++) {
		if (i >= MUIC_INT1 && i <= MUIC_INT3)
			irq_reg[i] &= max77693->irq_masks_cur[i];
		else
			irq_reg[i] &= ~max77693->irq_masks_cur[i];
	}

	/* Report */
	for (i = 0; i < MAX77693_IRQ_NR; i++) {
		if (irq_reg[max77693_irqs[i].group] & max77693_irqs[i].mask)
			handle_nested_irq(max77693->irq_base + i);
	}

	return IRQ_HANDLED;
}
Exemple #30
0
static irqreturn_t max8997_irq_thread(int irq, void *data)
{
	struct max8997_dev *max8997 = data;
	u8 irq_reg[MAX8997_IRQ_GROUP_NR] = {};
	u8 irq_src;
	int ret;
	int i, cur_irq;

	ret = max8997_read_reg(max8997->i2c, MAX8997_REG_INTSRC, &irq_src);
	if (ret < 0) {
		dev_err(max8997->dev, "Failed to read interrupt source: %d\n",
				ret);
		return IRQ_NONE;
	}

	if (irq_src & MAX8997_IRQSRC_PMIC) {
		/* PMIC INT1 ~ INT4 */
		max8997_bulk_read(max8997->i2c, MAX8997_REG_INT1, 4,
				&irq_reg[PMIC_INT1]);
	}
	if (irq_src & MAX8997_IRQSRC_FUELGAUGE) {
		/*
		 * TODO: FUEL GAUGE
		 *
		 * This is to be supported by Max17042 driver. When
		 * an interrupt incurs here, it should be relayed to a
		 * Max17042 device that is connected (probably by
		 * platform-data). However, we do not have interrupt
		 * handling in Max17042 driver currently. The Max17042 IRQ
		 * driver should be ready to be used as a stand-alone device and
		 * a Max8997-dependent device. Because it is not ready in
		 * Max17042-side and it is not too critical in operating
		 * Max8997, we do not implement this in initial releases.
		 */
		irq_reg[FUEL_GAUGE] = 0;
	}
	if (irq_src & MAX8997_IRQSRC_MUIC) {
		/* MUIC INT1 ~ INT3 */
		max8997_bulk_read(max8997->muic, MAX8997_MUIC_REG_INT1, 3,
				&irq_reg[MUIC_INT1]);
	}
	if (irq_src & MAX8997_IRQSRC_GPIO) {
		/* GPIO Interrupt */
		u8 gpio_info[MAX8997_NUM_GPIO];

		irq_reg[GPIO_LOW] = 0;
		irq_reg[GPIO_HI] = 0;

		max8997_bulk_read(max8997->i2c, MAX8997_REG_GPIOCNTL1,
				MAX8997_NUM_GPIO, gpio_info);
		for (i = 0; i < MAX8997_NUM_GPIO; i++) {
			bool interrupt = false;

			switch (gpio_info[i] & MAX8997_GPIO_INT_MASK) {
			case MAX8997_GPIO_INT_BOTH:
				if (max8997->gpio_status[i] != gpio_info[i])
					interrupt = true;
				break;
			case MAX8997_GPIO_INT_RISE:
				if ((max8997->gpio_status[i] != gpio_info[i]) &&
				    (gpio_info[i] & MAX8997_GPIO_DATA_MASK))
					interrupt = true;
				break;
			case MAX8997_GPIO_INT_FALL:
				if ((max8997->gpio_status[i] != gpio_info[i]) &&
				    !(gpio_info[i] & MAX8997_GPIO_DATA_MASK))
					interrupt = true;
				break;
			default:
				break;
			}

			if (interrupt) {
				if (i < 8)
					irq_reg[GPIO_LOW] |= (1 << i);
				else
					irq_reg[GPIO_HI] |= (1 << (i - 8));
			}

		}
	}
	if (irq_src & MAX8997_IRQSRC_FLASH) {
		/* Flash Status Interrupt */
		ret = max8997_read_reg(max8997->i2c, MAX8997_REG_FLASHSTATUS,
				&irq_reg[FLASH_STATUS]);
	}

	/* Apply masking */
	for (i = 0; i < MAX8997_IRQ_GROUP_NR; i++)
		irq_reg[i] &= ~max8997->irq_masks_cur[i];

	/* Report */
	for (i = 0; i < MAX8997_IRQ_NR; i++) {
		if (irq_reg[max8997_irqs[i].group] & max8997_irqs[i].mask) {
			cur_irq = irq_find_mapping(max8997->irq_domain, i);
			if (cur_irq)
				handle_nested_irq(cur_irq);
		}
	}

	return IRQ_HANDLED;
}