@@ -32,6 +32,7 @@ static int cs35l45_i2c_probe(struct i2c_client *client)
}
cs35l45->dev = dev;
+ cs35l45->irq = client->irq;
return cs35l45_probe(cs35l45);
}
@@ -32,6 +32,7 @@ static int cs35l45_spi_probe(struct spi_device *spi)
}
cs35l45->dev = dev;
+ cs35l45->irq = spi->irq;
return cs35l45_probe(cs35l45);
}
@@ -64,6 +64,25 @@ static const struct reg_default cs35l45_defaults[] = {
{ CS35L45_ASPTX4_INPUT, 0x00000028 },
{ CS35L45_ASPTX5_INPUT, 0x00000048 },
{ CS35L45_AMP_PCM_CONTROL, 0x00100000 },
+ { CS35L45_IRQ1_CFG, 0x00000000 },
+ { CS35L45_IRQ1_MASK_1, 0xBFEFFFBF },
+ { CS35L45_IRQ1_MASK_2, 0xFFFFFFFF },
+ { CS35L45_IRQ1_MASK_3, 0xFFFF87FF },
+ { CS35L45_IRQ1_MASK_4, 0xF8FFFFFF },
+ { CS35L45_IRQ1_MASK_5, 0x0EF80000 },
+ { CS35L45_IRQ1_MASK_6, 0x00000000 },
+ { CS35L45_IRQ1_MASK_7, 0xFFFFFF78 },
+ { CS35L45_IRQ1_MASK_8, 0x00003FFF },
+ { CS35L45_IRQ1_MASK_9, 0x00000000 },
+ { CS35L45_IRQ1_MASK_10, 0x00000000 },
+ { CS35L45_IRQ1_MASK_11, 0x00000000 },
+ { CS35L45_IRQ1_MASK_12, 0x00000000 },
+ { CS35L45_IRQ1_MASK_13, 0x00000000 },
+ { CS35L45_IRQ1_MASK_14, 0x00000001 },
+ { CS35L45_IRQ1_MASK_15, 0x00000000 },
+ { CS35L45_IRQ1_MASK_16, 0x00000000 },
+ { CS35L45_IRQ1_MASK_17, 0x00000000 },
+ { CS35L45_IRQ1_MASK_18, 0x3FE5D0FF },
{ CS35L45_GPIO1_CTRL1, 0x81000001 },
{ CS35L45_GPIO2_CTRL1, 0x81000001 },
{ CS35L45_GPIO3_CTRL1, 0x81000001 },
@@ -100,7 +119,11 @@ static bool cs35l45_readable_reg(struct device *dev, unsigned int reg)
case CS35L45_ASPTX5_INPUT:
case CS35L45_AMP_PCM_CONTROL:
case CS35L45_AMP_PCM_HPF_TST:
- case CS35L45_IRQ1_EINT_4:
+ case CS35L45_IRQ1_CFG:
+ case CS35L45_IRQ1_STATUS:
+ case CS35L45_IRQ1_EINT_1 ... CS35L45_IRQ1_EINT_18:
+ case CS35L45_IRQ1_STS_1 ... CS35L45_IRQ1_STS_18:
+ case CS35L45_IRQ1_MASK_1 ... CS35L45_IRQ1_MASK_18:
case CS35L45_GPIO_STATUS1:
case CS35L45_GPIO1_CTRL1:
case CS35L45_GPIO2_CTRL1:
@@ -119,7 +142,9 @@ static bool cs35l45_volatile_reg(struct device *dev, unsigned int reg)
case CS35L45_GLOBAL_ENABLES:
case CS35L45_ERROR_RELEASE:
case CS35L45_AMP_PCM_HPF_TST: /* not cachable */
- case CS35L45_IRQ1_EINT_4:
+ case CS35L45_IRQ1_STATUS:
+ case CS35L45_IRQ1_EINT_1 ... CS35L45_IRQ1_EINT_18:
+ case CS35L45_IRQ1_STS_1 ... CS35L45_IRQ1_STS_18:
case CS35L45_GPIO_STATUS1:
return true;
default:
@@ -586,10 +586,13 @@ static int cs35l45_apply_property_config(struct cs35l45_private *cs35l45)
val << CS35L45_GPIO_CTRL_SHIFT);
ret = of_property_read_u32(child, "gpio-invert", &val);
- if (!ret)
+ if (!ret) {
regmap_update_bits(cs35l45->regmap, pad_regs[i],
CS35L45_GPIO_INVERT_MASK,
val << CS35L45_GPIO_INVERT_SHIFT);
+ if (i == 1)
+ cs35l45->irq_invert = val;
+ }
of_node_put(child);
}
@@ -604,6 +607,78 @@ static int cs35l45_apply_property_config(struct cs35l45_private *cs35l45)
return 0;
}
+static irqreturn_t cs35l45_pll_unlock(int irq, void *data)
+{
+ struct cs35l45_private *cs35l45 = data;
+
+ dev_dbg(cs35l45->dev, "PLL unlock detected!");
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t cs35l45_pll_lock(int irq, void *data)
+{
+ struct cs35l45_private *cs35l45 = data;
+
+ dev_dbg(cs35l45->dev, "PLL lock detected!");
+
+ return IRQ_HANDLED;
+}
+
+static irqreturn_t cs35l45_spk_safe_err(int irq, void *data);
+
+static const struct cs35l45_irq cs35l45_irqs[] = {
+ CS35L45_IRQ(AMP_SHORT_ERR, "Amplifier short error", cs35l45_spk_safe_err),
+ CS35L45_IRQ(UVLO_VDDBATT_ERR, "VDDBATT undervoltage error", cs35l45_spk_safe_err),
+ CS35L45_IRQ(BST_SHORT_ERR, "Boost inductor error", cs35l45_spk_safe_err),
+ CS35L45_IRQ(BST_UVP_ERR, "Boost undervoltage error", cs35l45_spk_safe_err),
+ CS35L45_IRQ(TEMP_ERR, "Overtemperature error", cs35l45_spk_safe_err),
+ CS35L45_IRQ(AMP_CAL_ERR, "Amplifier calibration error", cs35l45_spk_safe_err),
+ CS35L45_IRQ(UVLO_VDDLV_ERR, "LV threshold detector error", cs35l45_spk_safe_err),
+ CS35L45_IRQ(GLOBAL_ERROR, "Global error", cs35l45_spk_safe_err),
+ CS35L45_IRQ(DSP_WDT_EXPIRE, "DSP Watchdog Timer", cs35l45_spk_safe_err),
+ CS35L45_IRQ(PLL_UNLOCK_FLAG_RISE, "PLL unlock", cs35l45_pll_unlock),
+ CS35L45_IRQ(PLL_LOCK_FLAG, "PLL lock", cs35l45_pll_lock),
+};
+
+static irqreturn_t cs35l45_spk_safe_err(int irq, void *data)
+{
+ struct cs35l45_private *cs35l45 = data;
+ int i;
+
+ i = irq - regmap_irq_get_virq(cs35l45->irq_data, 0);
+
+ dev_err(cs35l45->dev, "%s condition detected!\n", cs35l45_irqs[i].name);
+
+ return IRQ_HANDLED;
+}
+
+static const struct regmap_irq cs35l45_reg_irqs[] = {
+ CS35L45_REG_IRQ(IRQ1_EINT_1, AMP_SHORT_ERR),
+ CS35L45_REG_IRQ(IRQ1_EINT_1, UVLO_VDDBATT_ERR),
+ CS35L45_REG_IRQ(IRQ1_EINT_1, BST_SHORT_ERR),
+ CS35L45_REG_IRQ(IRQ1_EINT_1, BST_UVP_ERR),
+ CS35L45_REG_IRQ(IRQ1_EINT_1, TEMP_ERR),
+ CS35L45_REG_IRQ(IRQ1_EINT_3, AMP_CAL_ERR),
+ CS35L45_REG_IRQ(IRQ1_EINT_18, UVLO_VDDLV_ERR),
+ CS35L45_REG_IRQ(IRQ1_EINT_18, GLOBAL_ERROR),
+ CS35L45_REG_IRQ(IRQ1_EINT_2, DSP_WDT_EXPIRE),
+ CS35L45_REG_IRQ(IRQ1_EINT_3, PLL_UNLOCK_FLAG_RISE),
+ CS35L45_REG_IRQ(IRQ1_EINT_3, PLL_LOCK_FLAG),
+};
+
+static const struct regmap_irq_chip cs35l45_regmap_irq_chip = {
+ .name = "cs35l45 IRQ1 Controller",
+ .main_status = CS35L45_IRQ1_STATUS,
+ .status_base = CS35L45_IRQ1_EINT_1,
+ .mask_base = CS35L45_IRQ1_MASK_1,
+ .ack_base = CS35L45_IRQ1_EINT_1,
+ .num_regs = 18,
+ .irqs = cs35l45_reg_irqs,
+ .num_irqs = ARRAY_SIZE(cs35l45_reg_irqs),
+ .runtime_pm = true,
+};
+
static int cs35l45_initialize(struct cs35l45_private *cs35l45)
{
struct device *dev = cs35l45->dev;
@@ -660,7 +735,8 @@ static int cs35l45_initialize(struct cs35l45_private *cs35l45)
int cs35l45_probe(struct cs35l45_private *cs35l45)
{
struct device *dev = cs35l45->dev;
- int ret;
+ unsigned long irq_pol = IRQF_ONESHOT | IRQF_SHARED;
+ int ret, i, irq;
cs35l45->vdd_batt = devm_regulator_get(dev, "vdd-batt");
if (IS_ERR(cs35l45->vdd_batt))
@@ -705,6 +781,37 @@ int cs35l45_probe(struct cs35l45_private *cs35l45)
if (ret < 0)
goto err_reset;
+ if (cs35l45->irq) {
+ if (cs35l45->irq_invert)
+ irq_pol |= IRQF_TRIGGER_HIGH;
+ else
+ irq_pol |= IRQF_TRIGGER_LOW;
+
+ ret = devm_regmap_add_irq_chip(dev, cs35l45->regmap, cs35l45->irq, irq_pol, 0,
+ &cs35l45_regmap_irq_chip, &cs35l45->irq_data);
+ if (ret) {
+ dev_err(dev, "Failed to register IRQ chip: %d\n", ret);
+ goto err_reset;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(cs35l45_irqs); i++) {
+ irq = regmap_irq_get_virq(cs35l45->irq_data, cs35l45_irqs[i].irq);
+ if (irq < 0) {
+ dev_err(dev, "Failed to get %s\n", cs35l45_irqs[i].name);
+ ret = irq;
+ goto err_reset;
+ }
+
+ ret = devm_request_threaded_irq(dev, irq, NULL, cs35l45_irqs[i].handler,
+ irq_pol, cs35l45_irqs[i].name, cs35l45);
+ if (ret) {
+ dev_err(dev, "Failed to request IRQ %s: %d\n",
+ cs35l45_irqs[i].name, ret);
+ goto err_reset;
+ }
+ }
+ }
+
ret = devm_snd_soc_register_component(dev, &cs35l45_component,
cs35l45_dai,
ARRAY_SIZE(cs35l45_dai));
@@ -51,7 +51,42 @@
#define CS35L45_LDPM_CONFIG 0x00006404
#define CS35L45_AMP_PCM_CONTROL 0x00007000
#define CS35L45_AMP_PCM_HPF_TST 0x00007004
+#define CS35L45_IRQ1_CFG 0x0000E000
+#define CS35L45_IRQ1_STATUS 0x0000E004
+#define CS35L45_IRQ1_EINT_1 0x0000E010
+#define CS35L45_IRQ1_EINT_2 0x0000E014
+#define CS35L45_IRQ1_EINT_3 0x0000E018
#define CS35L45_IRQ1_EINT_4 0x0000E01C
+#define CS35L45_IRQ1_EINT_5 0x0000E020
+#define CS35L45_IRQ1_EINT_7 0x0000E028
+#define CS35L45_IRQ1_EINT_8 0x0000E02C
+#define CS35L45_IRQ1_EINT_18 0x0000E054
+#define CS35L45_IRQ1_STS_1 0x0000E090
+#define CS35L45_IRQ1_STS_2 0x0000E094
+#define CS35L45_IRQ1_STS_3 0x0000E098
+#define CS35L45_IRQ1_STS_4 0x0000E09C
+#define CS35L45_IRQ1_STS_5 0x0000E0A0
+#define CS35L45_IRQ1_STS_7 0x0000E0A8
+#define CS35L45_IRQ1_STS_8 0x0000E0AC
+#define CS35L45_IRQ1_STS_18 0x0000E0D4
+#define CS35L45_IRQ1_MASK_1 0x0000E110
+#define CS35L45_IRQ1_MASK_2 0x0000E114
+#define CS35L45_IRQ1_MASK_3 0x0000E118
+#define CS35L45_IRQ1_MASK_4 0x0000E11C
+#define CS35L45_IRQ1_MASK_5 0x0000E120
+#define CS35L45_IRQ1_MASK_6 0x0000E124
+#define CS35L45_IRQ1_MASK_7 0x0000E128
+#define CS35L45_IRQ1_MASK_8 0x0000E12C
+#define CS35L45_IRQ1_MASK_9 0x0000E130
+#define CS35L45_IRQ1_MASK_10 0x0000E134
+#define CS35L45_IRQ1_MASK_11 0x0000E138
+#define CS35L45_IRQ1_MASK_12 0x0000E13C
+#define CS35L45_IRQ1_MASK_13 0x0000E140
+#define CS35L45_IRQ1_MASK_14 0x0000E144
+#define CS35L45_IRQ1_MASK_15 0x0000E148
+#define CS35L45_IRQ1_MASK_16 0x0000E14C
+#define CS35L45_IRQ1_MASK_17 0x0000E150
+#define CS35L45_IRQ1_MASK_18 0x0000E154
#define CS35L45_GPIO_STATUS1 0x0000F000
#define CS35L45_GPIO1_CTRL1 0x0000F008
#define CS35L45_GPIO2_CTRL1 0x0000F00C
@@ -188,6 +223,38 @@
#define CS35L45_GPIO_INVERT_SHIFT 19
#define CS35L45_GPIO_INVERT_MASK BIT(19)
+/* CS35L45_IRQ1_EINT_1 */
+#define CS35L45_BST_UVP_ERR_SHIFT 7
+#define CS35L45_BST_UVP_ERR_MASK BIT(7)
+#define CS35L45_BST_SHORT_ERR_SHIFT 8
+#define CS35L45_BST_SHORT_ERR_MASK BIT(8)
+#define CS35L45_TEMP_ERR_SHIFT 17
+#define CS35L45_TEMP_ERR_MASK BIT(17)
+#define CS35L45_MSM_GLOBAL_EN_ASSERT_SHIFT 22
+#define CS35L45_MSM_GLOBAL_EN_ASSERT_MASK BIT(22)
+#define CS35L45_UVLO_VDDBATT_ERR_SHIFT 29
+#define CS35L45_UVLO_VDDBATT_ERR_MASK BIT(29)
+#define CS35L45_AMP_SHORT_ERR_SHIFT 31
+#define CS35L45_AMP_SHORT_ERR_MASK BIT(31)
+
+/* CS35L45_IRQ1_EINT_2 */
+#define CS35L45_DSP_WDT_EXPIRE_SHIFT 4
+#define CS35L45_DSP_WDT_EXPIRE_MASK BIT(4)
+
+/* CS35L45_IRQ1_EINT_3 */
+#define CS35L45_PLL_LOCK_FLAG_SHIFT 1
+#define CS35L45_PLL_LOCK_FLAG_MASK BIT(1)
+#define CS35L45_PLL_UNLOCK_FLAG_RISE_SHIFT 4
+#define CS35L45_PLL_UNLOCK_FLAG_RISE_MASK BIT(4)
+#define CS35L45_AMP_CAL_ERR_SHIFT 25
+#define CS35L45_AMP_CAL_ERR_MASK BIT(25)
+
+/* CS35L45_IRQ1_EINT_18 */
+#define CS35L45_GLOBAL_ERROR_SHIFT 15
+#define CS35L45_GLOBAL_ERROR_MASK BIT(15)
+#define CS35L45_UVLO_VDDLV_ERR_SHIFT 16
+#define CS35L45_UVLO_VDDLV_ERR_MASK BIT(16)
+
/* Mixer sources */
#define CS35L45_PCM_SRC_MASK 0x7F
#define CS35L45_PCM_SRC_ZERO 0x00
@@ -217,6 +284,43 @@
SNDRV_PCM_RATE_88200 | \
SNDRV_PCM_RATE_96000)
+/*
+ * IRQs
+ */
+#define CS35L45_IRQ(_irq, _name, _hand) \
+ { \
+ .irq = CS35L45_ ## _irq ## _IRQ,\
+ .name = _name, \
+ .handler = _hand, \
+ }
+
+struct cs35l45_irq {
+ int irq;
+ const char *name;
+ irqreturn_t (*handler)(int irq, void *data);
+};
+
+#define CS35L45_REG_IRQ(_reg, _irq) \
+ [CS35L45_ ## _irq ## _IRQ] = { \
+ .reg_offset = (CS35L45_ ## _reg) - CS35L45_IRQ1_EINT_1, \
+ .mask = CS35L45_ ## _irq ## _MASK \
+ }
+
+enum cs35l45_irq_list {
+ CS35L45_AMP_SHORT_ERR_IRQ,
+ CS35L45_UVLO_VDDBATT_ERR_IRQ,
+ CS35L45_BST_SHORT_ERR_IRQ,
+ CS35L45_BST_UVP_ERR_IRQ,
+ CS35L45_TEMP_ERR_IRQ,
+ CS35L45_AMP_CAL_ERR_IRQ,
+ CS35L45_UVLO_VDDLV_ERR_IRQ,
+ CS35L45_GLOBAL_ERROR_IRQ,
+ CS35L45_DSP_WDT_EXPIRE_IRQ,
+ CS35L45_PLL_UNLOCK_FLAG_RISE_IRQ,
+ CS35L45_PLL_LOCK_FLAG_IRQ,
+ CS35L45_NUM_IRQ
+};
+
struct cs35l45_private {
struct device *dev;
struct regmap *regmap;
@@ -227,6 +331,9 @@ struct cs35l45_private {
bool sysclk_set;
u8 slot_width;
u8 slot_count;
+ int irq_invert;
+ int irq;
+ struct regmap_irq_chip_data *irq_data;
};
extern const struct dev_pm_ops cs35l45_pm_ops;