diff options
Diffstat (limited to 'drivers/thermal/qcom/tsens.h')
| -rw-r--r-- | drivers/thermal/qcom/tsens.h | 206 |
1 files changed, 199 insertions, 7 deletions
diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index 27b8f74829d9..a9390e06b4dd 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -11,9 +11,16 @@ #define TWO_PT_CALIB 0x3 #include <linux/thermal.h> +#include <linux/regmap.h> struct tsens_priv; +enum tsens_ver { + VER_0_1 = 0, + VER_1_X, + VER_2_X, +}; + /** * struct tsens_sensor - data for each sensor connected to the tsens device * @priv: tsens device instance that this sensor is connected to @@ -58,10 +65,189 @@ struct tsens_ops { int (*get_trend)(struct tsens_priv *priv, int i, enum thermal_trend *trend); }; -enum reg_list { - SROT_CTRL_OFFSET, +#define REG_FIELD_FOR_EACH_SENSOR11(_name, _offset, _startbit, _stopbit) \ + [_name##_##0] = REG_FIELD(_offset, _startbit, _stopbit), \ + [_name##_##1] = REG_FIELD(_offset + 4, _startbit, _stopbit), \ + [_name##_##2] = REG_FIELD(_offset + 8, _startbit, _stopbit), \ + [_name##_##3] = REG_FIELD(_offset + 12, _startbit, _stopbit), \ + [_name##_##4] = REG_FIELD(_offset + 16, _startbit, _stopbit), \ + [_name##_##5] = REG_FIELD(_offset + 20, _startbit, _stopbit), \ + [_name##_##6] = REG_FIELD(_offset + 24, _startbit, _stopbit), \ + [_name##_##7] = REG_FIELD(_offset + 28, _startbit, _stopbit), \ + [_name##_##8] = REG_FIELD(_offset + 32, _startbit, _stopbit), \ + [_name##_##9] = REG_FIELD(_offset + 36, _startbit, _stopbit), \ + [_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit) + +#define REG_FIELD_FOR_EACH_SENSOR16(_name, _offset, _startbit, _stopbit) \ + [_name##_##0] = REG_FIELD(_offset, _startbit, _stopbit), \ + [_name##_##1] = REG_FIELD(_offset + 4, _startbit, _stopbit), \ + [_name##_##2] = REG_FIELD(_offset + 8, _startbit, _stopbit), \ + [_name##_##3] = REG_FIELD(_offset + 12, _startbit, _stopbit), \ + [_name##_##4] = REG_FIELD(_offset + 16, _startbit, _stopbit), \ + [_name##_##5] = REG_FIELD(_offset + 20, _startbit, _stopbit), \ + [_name##_##6] = REG_FIELD(_offset + 24, _startbit, _stopbit), \ + [_name##_##7] = REG_FIELD(_offset + 28, _startbit, _stopbit), \ + [_name##_##8] = REG_FIELD(_offset + 32, _startbit, _stopbit), \ + [_name##_##9] = REG_FIELD(_offset + 36, _startbit, _stopbit), \ + [_name##_##10] = REG_FIELD(_offset + 40, _startbit, _stopbit), \ + [_name##_##11] = REG_FIELD(_offset + 44, _startbit, _stopbit), \ + [_name##_##12] = REG_FIELD(_offset + 48, _startbit, _stopbit), \ + [_name##_##13] = REG_FIELD(_offset + 52, _startbit, _stopbit), \ + [_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 */ +enum regfield_ids { + /* ----- SROT ------ */ + /* HW_VER */ + VER_MAJOR = 0, + VER_MINOR, + VER_STEP, + /* CTRL_OFFSET */ + TSENS_EN = 3, + TSENS_SW_RST, + SENSOR_EN, + CODE_OR_TEMP, + + /* ----- TM ------ */ + /* STATUS */ + LAST_TEMP_0 = 7, /* Last temperature reading */ + LAST_TEMP_1, + LAST_TEMP_2, + LAST_TEMP_3, + LAST_TEMP_4, + LAST_TEMP_5, + LAST_TEMP_6, + LAST_TEMP_7, + LAST_TEMP_8, + LAST_TEMP_9, + LAST_TEMP_10, + LAST_TEMP_11, + LAST_TEMP_12, + LAST_TEMP_13, + LAST_TEMP_14, + LAST_TEMP_15, + VALID_0 = 23, /* VALID reading or not */ + VALID_1, + VALID_2, + VALID_3, + VALID_4, + VALID_5, + VALID_6, + VALID_7, + VALID_8, + VALID_9, + VALID_10, + VALID_11, + VALID_12, + 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, + LOWER_STATUS_3, + LOWER_STATUS_4, + LOWER_STATUS_5, + LOWER_STATUS_6, + LOWER_STATUS_7, + LOWER_STATUS_8, + LOWER_STATUS_9, + LOWER_STATUS_10, + LOWER_STATUS_11, + LOWER_STATUS_12, + LOWER_STATUS_13, + LOWER_STATUS_14, + LOWER_STATUS_15, + UPPER_STATUS_0, /* UPPER threshold violated */ + UPPER_STATUS_1, + UPPER_STATUS_2, + UPPER_STATUS_3, + UPPER_STATUS_4, + UPPER_STATUS_5, + UPPER_STATUS_6, + UPPER_STATUS_7, + UPPER_STATUS_8, + UPPER_STATUS_9, + UPPER_STATUS_10, + UPPER_STATUS_11, + UPPER_STATUS_12, + UPPER_STATUS_13, + UPPER_STATUS_14, + UPPER_STATUS_15, + CRITICAL_STATUS_0, /* CRITICAL threshold violated */ + CRITICAL_STATUS_1, + CRITICAL_STATUS_2, + CRITICAL_STATUS_3, + CRITICAL_STATUS_4, + CRITICAL_STATUS_5, + CRITICAL_STATUS_6, + CRITICAL_STATUS_7, + CRITICAL_STATUS_8, + CRITICAL_STATUS_9, + CRITICAL_STATUS_10, + CRITICAL_STATUS_11, + CRITICAL_STATUS_12, + 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 */ - REG_ARRAY_SIZE, + /* Keep last */ + MAX_REGFIELDS +}; + +/** + * struct tsens_features - Features supported by the IP + * @ver_major: Major number of IP version + * @crit_int: does the IP support critical interrupts? + * @adc: do the sensors only output adc code (instead of temperature)? + * @srot_split: does the IP neatly splits the register space into SROT and TM, + * with SROT only being available to secure boot firmware? + */ +struct tsens_features { + unsigned int ver_major; + unsigned int crit_int:1; + unsigned int adc:1; + unsigned int srot_split:1; }; /** @@ -69,13 +255,15 @@ enum reg_list { * @num_sensors: Number of sensors supported by platform * @ops: operations the tsens instance supports * @hw_ids: Subset of sensors ids supported by platform, if not the first n - * @reg_offsets: Register offsets for commonly used registers + * @feat: features of the IP + * @fields: bitfield locations */ struct tsens_plat_data { const u32 num_sensors; const struct tsens_ops *ops; - const u16 reg_offsets[REG_ARRAY_SIZE]; unsigned int *hw_ids; + const struct tsens_features *feat; + const struct reg_field *fields; }; /** @@ -94,8 +282,10 @@ struct tsens_context { * @srot_map: pointer to SROT register address space * @tm_offset: deal with old device trees that don't address TM and SROT * address space separately - * @reg_offsets: array of offsets to important regs for this version of IP + * @rf: array of regmap_fields used to store value of the field * @ctx: registers to be saved and restored during suspend/resume + * @feat: features of the IP + * @fields: bitfield locations * @ops: pointer to list of callbacks supported by this device * @sensor: list of sensors attached to this device */ @@ -105,8 +295,10 @@ struct tsens_priv { struct regmap *tm_map; struct regmap *srot_map; u32 tm_offset; - u16 reg_offsets[REG_ARRAY_SIZE]; + 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 tsens_sensor sensor[0]; }; |