diff options
Diffstat (limited to 'drivers/thermal/qcom/tsens.c')
| -rw-r--r-- | drivers/thermal/qcom/tsens.c | 77 |
1 files changed, 62 insertions, 15 deletions
diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index 6d7c16ccb44d..a2422ebee816 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -17,6 +17,7 @@ #include <linux/pm.h> #include <linux/regmap.h> #include <linux/slab.h> +#include <linux/suspend.h> #include <linux/thermal.h> #include "../thermal_hwmon.h" #include "tsens.h" @@ -264,7 +265,7 @@ void compute_intercept_slope(struct tsens_priv *priv, u32 *p1, for (i = 0; i < priv->num_sensors; i++) { dev_dbg(priv->dev, "%s: sensor%d - data_point1:%#x data_point2:%#x\n", - __func__, i, p1[i], p2[i]); + __func__, i, p1[i], p2 ? p2[i] : 0); if (!priv->sensor[i].slope) priv->sensor[i].slope = SLOPE_DEFAULT; @@ -446,7 +447,7 @@ static void tsens_set_interrupt(struct tsens_priv *priv, u32 hw_id, dev_dbg(priv->dev, "[%u] %s: %s -> %s\n", hw_id, __func__, irq_type ? ((irq_type == 1) ? "UP" : "CRITICAL") : "LOW", enable ? "en" : "dis"); - if (tsens_version(priv) > VER_1_X) + if (tsens_version(priv) >= VER_2_X) tsens_set_interrupt_v2(priv, hw_id, irq_type, enable); else tsens_set_interrupt_v1(priv, hw_id, irq_type, enable); @@ -498,7 +499,7 @@ static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id, ret = regmap_field_read(priv->rf[LOW_INT_CLEAR_0 + hw_id], &d->low_irq_clear); if (ret) return ret; - if (tsens_version(priv) > VER_1_X) { + if (tsens_version(priv) >= VER_2_X) { ret = regmap_field_read(priv->rf[UP_INT_MASK_0 + hw_id], &d->up_irq_mask); if (ret) return ret; @@ -542,7 +543,7 @@ static int tsens_read_irq_state(struct tsens_priv *priv, u32 hw_id, static inline u32 masked_irq(u32 hw_id, u32 mask, enum tsens_ver ver) { - if (ver > VER_1_X) + if (ver >= VER_2_X) return mask & (1 << hw_id); /* v1, v0.1 don't have a irq mask register */ @@ -732,7 +733,7 @@ static int tsens_set_trips(struct thermal_zone_device *tz, int low, int high) static int tsens_enable_irq(struct tsens_priv *priv) { int ret; - int val = tsens_version(priv) > VER_1_X ? 7 : 1; + int val = tsens_version(priv) >= VER_2_X ? 7 : 1; ret = regmap_field_write(priv->rf[INT_EN], val); if (ret < 0) @@ -975,9 +976,15 @@ int __init init_common(struct tsens_priv *priv) if (ret) goto err_put_device; if (!enabled) { - dev_err(dev, "%s: device not enabled\n", __func__); - ret = -ENODEV; - goto err_put_device; + switch (tsens_version(priv)) { + case VER_1_X_NO_RPM: + case VER_2_X_NO_RPM: + break; + default: + dev_err(dev, "%s: device not enabled\n", __func__); + ret = -ENODEV; + goto err_put_device; + } } priv->rf[SENSOR_EN] = devm_regmap_field_alloc(dev, priv->srot_map, @@ -1039,7 +1046,7 @@ int __init init_common(struct tsens_priv *priv) } } - if (tsens_version(priv) > VER_1_X && ver_minor > 2) { + if (tsens_version(priv) >= VER_2_X && ver_minor > 2) { /* Watchdog is present only on v2.3+ */ priv->feat->has_watchdog = 1; for (i = WDOG_BARK_STATUS; i <= CC_MON_MASK; i++) { @@ -1101,6 +1108,15 @@ static SIMPLE_DEV_PM_OPS(tsens_pm_ops, tsens_suspend, tsens_resume); static const struct of_device_id tsens_table[] = { { + .compatible = "qcom,ipq5018-tsens", + .data = &data_ipq5018, + }, { + .compatible = "qcom,ipq5332-tsens", + .data = &data_ipq5332, + }, { + .compatible = "qcom,ipq5424-tsens", + .data = &data_ipq5424, + }, { .compatible = "qcom,ipq8064-tsens", .data = &data_8960, }, { @@ -1119,6 +1135,9 @@ static const struct of_device_id tsens_table[] = { .compatible = "qcom,msm8916-tsens", .data = &data_8916, }, { + .compatible = "qcom,msm8937-tsens", + .data = &data_8937, + }, { .compatible = "qcom,msm8939-tsens", .data = &data_8939, }, { @@ -1193,6 +1212,36 @@ static int tsens_register_irq(struct tsens_priv *priv, char *irqname, return ret; } +#ifdef CONFIG_SUSPEND +static int tsens_reinit(struct tsens_priv *priv) +{ + if (tsens_version(priv) >= VER_2_X) { + /* + * Re-enable the watchdog, unmask the bark. + * Disable cycle completion monitoring + */ + if (priv->feat->has_watchdog) { + regmap_field_write(priv->rf[WDOG_BARK_MASK], 0); + regmap_field_write(priv->rf[CC_MON_MASK], 1); + } + + /* Re-enable interrupts */ + tsens_enable_irq(priv); + } + + return 0; +} + +int tsens_resume_common(struct tsens_priv *priv) +{ + if (pm_suspend_target_state == PM_SUSPEND_MEM) + tsens_reinit(priv); + + return 0; +} + +#endif /* !CONFIG_SUSPEND */ + static int tsens_register(struct tsens_priv *priv) { int i, ret; @@ -1305,11 +1354,9 @@ static int tsens_probe(struct platform_device *pdev) if (priv->ops->calibrate) { ret = priv->ops->calibrate(priv); - if (ret < 0) { - if (ret != -EPROBE_DEFER) - dev_err(dev, "%s: calibration failed\n", __func__); - return ret; - } + if (ret < 0) + return dev_err_probe(dev, ret, "%s: calibration failed\n", + __func__); } ret = tsens_register(priv); @@ -1331,7 +1378,7 @@ static void tsens_remove(struct platform_device *pdev) static struct platform_driver tsens_driver = { .probe = tsens_probe, - .remove_new = tsens_remove, + .remove = tsens_remove, .driver = { .name = "qcom-tsens", .pm = &tsens_pm_ops, |