diff options
Diffstat (limited to 'drivers/thermal/qcom/tsens.h')
| -rw-r--r-- | drivers/thermal/qcom/tsens.h | 288 |
1 files changed, 236 insertions, 52 deletions
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index b89083b61c38..e24a865fbc34 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -13,8 +13,10 @@ #define CAL_DEGC_PT2 120 #define SLOPE_FACTOR 1000 #define SLOPE_DEFAULT 3200 +#define THRESHOLD_MAX_ADC_CODE 0x3ff +#define THRESHOLD_MIN_ADC_CODE 0x0 - +#include <linux/interrupt.h> #include <linux/thermal.h> #include <linux/regmap.h> #include <linux/slab.h> @@ -27,12 +29,16 @@ enum tsens_ver { VER_2_X, }; +enum tsens_irq_type { + LOWER, + UPPER, +}; + /** * struct tsens_sensor - data for each sensor connected to the tsens device * @priv: tsens device instance that this sensor is connected to * @tzd: pointer to the thermal zone that this sensor is in * @offset: offset of temperature adjustment curve - * @id: Sensor ID * @hw_id: HW ID can be used in case of platform-specific IDs * @slope: slope of temperature adjustment curve * @status: 8960-specific variable to track 8960 and 8660 status register offset @@ -41,7 +47,6 @@ struct tsens_sensor { struct tsens_priv *priv; struct thermal_zone_device *tzd; int offset; - unsigned int id; unsigned int hw_id; int slope; u32 status; @@ -62,13 +67,13 @@ struct tsens_ops { /* mandatory callbacks */ int (*init)(struct tsens_priv *priv); int (*calibrate)(struct tsens_priv *priv); - int (*get_temp)(struct tsens_priv *priv, int i, int *temp); + int (*get_temp)(struct tsens_sensor *s, int *temp); /* optional callbacks */ int (*enable)(struct tsens_priv *priv, int i); void (*disable)(struct tsens_priv *priv); int (*suspend)(struct tsens_priv *priv); int (*resume)(struct tsens_priv *priv); - int (*get_trend)(struct tsens_priv *priv, int i, enum thermal_trend *trend); + int (*get_trend)(struct tsens_sensor *s, enum thermal_trend *trend); }; #define REG_FIELD_FOR_EACH_SENSOR11(_name, _offset, _startbit, _stopbit) \ @@ -102,22 +107,66 @@ struct tsens_ops { [_name##_##14] = REG_FIELD(_offset + 56, _startbit, _stopbit), \ [_name##_##15] = REG_FIELD(_offset + 60, _startbit, _stopbit) -/* reg_field IDs to use as an index into an array */ +#define REG_FIELD_SPLIT_BITS_0_15(_name, _offset) \ + [_name##_##0] = REG_FIELD(_offset, 0, 0), \ + [_name##_##1] = REG_FIELD(_offset, 1, 1), \ + [_name##_##2] = REG_FIELD(_offset, 2, 2), \ + [_name##_##3] = REG_FIELD(_offset, 3, 3), \ + [_name##_##4] = REG_FIELD(_offset, 4, 4), \ + [_name##_##5] = REG_FIELD(_offset, 5, 5), \ + [_name##_##6] = REG_FIELD(_offset, 6, 6), \ + [_name##_##7] = REG_FIELD(_offset, 7, 7), \ + [_name##_##8] = REG_FIELD(_offset, 8, 8), \ + [_name##_##9] = REG_FIELD(_offset, 9, 9), \ + [_name##_##10] = REG_FIELD(_offset, 10, 10), \ + [_name##_##11] = REG_FIELD(_offset, 11, 11), \ + [_name##_##12] = REG_FIELD(_offset, 12, 12), \ + [_name##_##13] = REG_FIELD(_offset, 13, 13), \ + [_name##_##14] = REG_FIELD(_offset, 14, 14), \ + [_name##_##15] = REG_FIELD(_offset, 15, 15) + +#define REG_FIELD_SPLIT_BITS_16_31(_name, _offset) \ + [_name##_##0] = REG_FIELD(_offset, 16, 16), \ + [_name##_##1] = REG_FIELD(_offset, 17, 17), \ + [_name##_##2] = REG_FIELD(_offset, 18, 18), \ + [_name##_##3] = REG_FIELD(_offset, 19, 19), \ + [_name##_##4] = REG_FIELD(_offset, 20, 20), \ + [_name##_##5] = REG_FIELD(_offset, 21, 21), \ + [_name##_##6] = REG_FIELD(_offset, 22, 22), \ + [_name##_##7] = REG_FIELD(_offset, 23, 23), \ + [_name##_##8] = REG_FIELD(_offset, 24, 24), \ + [_name##_##9] = REG_FIELD(_offset, 25, 25), \ + [_name##_##10] = REG_FIELD(_offset, 26, 26), \ + [_name##_##11] = REG_FIELD(_offset, 27, 27), \ + [_name##_##12] = REG_FIELD(_offset, 28, 28), \ + [_name##_##13] = REG_FIELD(_offset, 29, 29), \ + [_name##_##14] = REG_FIELD(_offset, 30, 30), \ + [_name##_##15] = REG_FIELD(_offset, 31, 31) + +/* + * reg_field IDs to use as an index into an array + * If you change the order of the entries, check the devm_regmap_field_alloc() + * calls in init_common() + */ enum regfield_ids { /* ----- SROT ------ */ /* HW_VER */ - VER_MAJOR = 0, + VER_MAJOR, VER_MINOR, VER_STEP, /* CTRL_OFFSET */ - TSENS_EN = 3, + TSENS_EN, TSENS_SW_RST, SENSOR_EN, CODE_OR_TEMP, /* ----- TM ------ */ + /* TRDY */ + TRDY, + /* INTERRUPT ENABLE */ + INT_EN, /* v2+ has separate enables for crit, upper and lower irq */ /* STATUS */ - LAST_TEMP_0 = 7, /* Last temperature reading */ + LAST_TEMP_0, /* Last temperature reading */ LAST_TEMP_1, LAST_TEMP_2, LAST_TEMP_3, @@ -133,7 +182,7 @@ enum regfield_ids { LAST_TEMP_13, LAST_TEMP_14, LAST_TEMP_15, - VALID_0 = 23, /* VALID reading or not */ + VALID_0, /* VALID reading or not */ VALID_1, VALID_2, VALID_3, @@ -149,38 +198,6 @@ enum regfield_ids { VALID_13, VALID_14, VALID_15, - MIN_STATUS_0, /* MIN threshold violated */ - MIN_STATUS_1, - MIN_STATUS_2, - MIN_STATUS_3, - MIN_STATUS_4, - MIN_STATUS_5, - MIN_STATUS_6, - MIN_STATUS_7, - MIN_STATUS_8, - MIN_STATUS_9, - MIN_STATUS_10, - MIN_STATUS_11, - MIN_STATUS_12, - MIN_STATUS_13, - MIN_STATUS_14, - MIN_STATUS_15, - MAX_STATUS_0, /* MAX threshold violated */ - MAX_STATUS_1, - MAX_STATUS_2, - MAX_STATUS_3, - MAX_STATUS_4, - MAX_STATUS_5, - MAX_STATUS_6, - MAX_STATUS_7, - MAX_STATUS_8, - MAX_STATUS_9, - MAX_STATUS_10, - MAX_STATUS_11, - MAX_STATUS_12, - MAX_STATUS_13, - MAX_STATUS_14, - MAX_STATUS_15, LOWER_STATUS_0, /* LOWER threshold violated */ LOWER_STATUS_1, LOWER_STATUS_2, @@ -197,6 +214,70 @@ enum regfield_ids { LOWER_STATUS_13, LOWER_STATUS_14, LOWER_STATUS_15, + LOW_INT_STATUS_0, /* LOWER interrupt status */ + LOW_INT_STATUS_1, + LOW_INT_STATUS_2, + LOW_INT_STATUS_3, + LOW_INT_STATUS_4, + LOW_INT_STATUS_5, + LOW_INT_STATUS_6, + LOW_INT_STATUS_7, + LOW_INT_STATUS_8, + LOW_INT_STATUS_9, + LOW_INT_STATUS_10, + LOW_INT_STATUS_11, + LOW_INT_STATUS_12, + LOW_INT_STATUS_13, + LOW_INT_STATUS_14, + LOW_INT_STATUS_15, + LOW_INT_CLEAR_0, /* LOWER interrupt clear */ + LOW_INT_CLEAR_1, + LOW_INT_CLEAR_2, + LOW_INT_CLEAR_3, + LOW_INT_CLEAR_4, + LOW_INT_CLEAR_5, + LOW_INT_CLEAR_6, + LOW_INT_CLEAR_7, + LOW_INT_CLEAR_8, + LOW_INT_CLEAR_9, + LOW_INT_CLEAR_10, + LOW_INT_CLEAR_11, + LOW_INT_CLEAR_12, + LOW_INT_CLEAR_13, + LOW_INT_CLEAR_14, + LOW_INT_CLEAR_15, + LOW_INT_MASK_0, /* LOWER interrupt mask */ + LOW_INT_MASK_1, + LOW_INT_MASK_2, + LOW_INT_MASK_3, + LOW_INT_MASK_4, + LOW_INT_MASK_5, + LOW_INT_MASK_6, + LOW_INT_MASK_7, + LOW_INT_MASK_8, + LOW_INT_MASK_9, + LOW_INT_MASK_10, + LOW_INT_MASK_11, + LOW_INT_MASK_12, + LOW_INT_MASK_13, + LOW_INT_MASK_14, + LOW_INT_MASK_15, + LOW_THRESH_0, /* LOWER threshold values */ + LOW_THRESH_1, + LOW_THRESH_2, + LOW_THRESH_3, + LOW_THRESH_4, + LOW_THRESH_5, + LOW_THRESH_6, + LOW_THRESH_7, + LOW_THRESH_8, + LOW_THRESH_9, + LOW_THRESH_10, + LOW_THRESH_11, + LOW_THRESH_12, + LOW_THRESH_13, + LOW_THRESH_14, + LOW_THRESH_15, UPPER_STATUS_0, /* UPPER threshold violated */ UPPER_STATUS_1, UPPER_STATUS_2, @@ -213,6 +294,70 @@ enum regfield_ids { UPPER_STATUS_13, UPPER_STATUS_14, UPPER_STATUS_15, + UP_INT_STATUS_0, /* UPPER interrupt status */ + UP_INT_STATUS_1, + UP_INT_STATUS_2, + UP_INT_STATUS_3, + UP_INT_STATUS_4, + UP_INT_STATUS_5, + UP_INT_STATUS_6, + UP_INT_STATUS_7, + UP_INT_STATUS_8, + UP_INT_STATUS_9, + UP_INT_STATUS_10, + UP_INT_STATUS_11, + UP_INT_STATUS_12, + UP_INT_STATUS_13, + UP_INT_STATUS_14, + UP_INT_STATUS_15, + UP_INT_CLEAR_0, /* UPPER interrupt clear */ + UP_INT_CLEAR_1, + UP_INT_CLEAR_2, + UP_INT_CLEAR_3, + UP_INT_CLEAR_4, + UP_INT_CLEAR_5, + UP_INT_CLEAR_6, + UP_INT_CLEAR_7, + UP_INT_CLEAR_8, + UP_INT_CLEAR_9, + UP_INT_CLEAR_10, + UP_INT_CLEAR_11, + UP_INT_CLEAR_12, + UP_INT_CLEAR_13, + UP_INT_CLEAR_14, + UP_INT_CLEAR_15, + UP_INT_MASK_0, /* UPPER interrupt mask */ + UP_INT_MASK_1, + UP_INT_MASK_2, + UP_INT_MASK_3, + UP_INT_MASK_4, + UP_INT_MASK_5, + UP_INT_MASK_6, + UP_INT_MASK_7, + UP_INT_MASK_8, + UP_INT_MASK_9, + UP_INT_MASK_10, + UP_INT_MASK_11, + UP_INT_MASK_12, + UP_INT_MASK_13, + UP_INT_MASK_14, + UP_INT_MASK_15, + UP_THRESH_0, /* UPPER threshold values */ + UP_THRESH_1, + UP_THRESH_2, + UP_THRESH_3, + UP_THRESH_4, + UP_THRESH_5, + UP_THRESH_6, + UP_THRESH_7, + UP_THRESH_8, + UP_THRESH_9, + UP_THRESH_10, + UP_THRESH_11, + UP_THRESH_12, + UP_THRESH_13, + UP_THRESH_14, + UP_THRESH_15, CRITICAL_STATUS_0, /* CRITICAL threshold violated */ CRITICAL_STATUS_1, CRITICAL_STATUS_2, @@ -229,13 +374,38 @@ enum regfield_ids { CRITICAL_STATUS_13, CRITICAL_STATUS_14, CRITICAL_STATUS_15, - /* TRDY */ - TRDY, - /* INTERRUPT ENABLE */ - INT_EN, /* Pre-V1, V1.x */ - LOW_INT_EN, /* V2.x */ - UP_INT_EN, /* V2.x */ - CRIT_INT_EN, /* V2.x */ + MIN_STATUS_0, /* MIN threshold violated */ + MIN_STATUS_1, + MIN_STATUS_2, + MIN_STATUS_3, + MIN_STATUS_4, + MIN_STATUS_5, + MIN_STATUS_6, + MIN_STATUS_7, + MIN_STATUS_8, + MIN_STATUS_9, + MIN_STATUS_10, + MIN_STATUS_11, + MIN_STATUS_12, + MIN_STATUS_13, + MIN_STATUS_14, + MIN_STATUS_15, + MAX_STATUS_0, /* MAX threshold violated */ + MAX_STATUS_1, + MAX_STATUS_2, + MAX_STATUS_3, + MAX_STATUS_4, + MAX_STATUS_5, + MAX_STATUS_6, + MAX_STATUS_7, + MAX_STATUS_8, + MAX_STATUS_9, + MAX_STATUS_10, + MAX_STATUS_11, + MAX_STATUS_12, + MAX_STATUS_13, + MAX_STATUS_14, + MAX_STATUS_15, /* Keep last */ MAX_REGFIELDS @@ -295,6 +465,8 @@ struct tsens_context { * @feat: features of the IP * @fields: bitfield locations * @ops: pointer to list of callbacks supported by this device + * @debug_root: pointer to debugfs dentry for all tsens + * @debug: pointer to debugfs dentry for tsens controller * @sensor: list of sensors attached to this device */ struct tsens_priv { @@ -303,19 +475,31 @@ struct tsens_priv { struct regmap *tm_map; struct regmap *srot_map; u32 tm_offset; + + /* lock for upper/lower threshold interrupts */ + spinlock_t ul_lock; + struct regmap_field *rf[MAX_REGFIELDS]; struct tsens_context ctx; const struct tsens_features *feat; const struct reg_field *fields; const struct tsens_ops *ops; + + struct dentry *debug_root; + struct dentry *debug; + struct tsens_sensor sensor[0]; }; char *qfprom_read(struct device *dev, const char *cname); void compute_intercept_slope(struct tsens_priv *priv, u32 *pt1, u32 *pt2, u32 mode); int init_common(struct tsens_priv *priv); -int get_temp_tsens_valid(struct tsens_priv *priv, int i, int *temp); -int get_temp_common(struct tsens_priv *priv, int i, int *temp); +int get_temp_tsens_valid(struct tsens_sensor *s, int *temp); +int get_temp_common(struct tsens_sensor *s, int *temp); +int tsens_enable_irq(struct tsens_priv *priv); +void tsens_disable_irq(struct tsens_priv *priv); +int tsens_set_trips(void *_sensor, int low, int high); +irqreturn_t tsens_irq_thread(int irq, void *data); /* TSENS target */ extern const struct tsens_plat_data data_8960; @@ -324,7 +508,7 @@ extern const struct tsens_plat_data data_8960; extern const struct tsens_plat_data data_8916, data_8974; /* TSENS v1 targets */ -extern const struct tsens_plat_data data_tsens_v1; +extern const struct tsens_plat_data data_tsens_v1, data_8976; /* TSENS v2 targets */ extern const struct tsens_plat_data data_8996, data_tsens_v2; |