| Message ID | 1693250307-8910-4-git-send-email-quic_srichara@quicinc.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add support for IPQ5018 tsens | expand |
On 28/08/2023 21:18, Sricharan Ramabadhran wrote: > IPQ5018 has tsens IP V1.0, 4 sensors and 1 interrupt. > The soc does not have a RPM, hence tsens has to be reset and > enabled in the driver init. Adding the driver support for same. > > Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com> Please use subject prefixes matching the subsystem. You can get them for example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory your patch is touching. Best regards, Krzysztof
On 8/29/2023 1:03 AM, Krzysztof Kozlowski wrote: > On 28/08/2023 21:18, Sricharan Ramabadhran wrote: >> IPQ5018 has tsens IP V1.0, 4 sensors and 1 interrupt. >> The soc does not have a RPM, hence tsens has to be reset and >> enabled in the driver init. Adding the driver support for same. >> >> Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com> > > Please use subject prefixes matching the subsystem. You can get them for > example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory > your patch is touching. > ok, will fix. Regards, Sricharan
<..> >> +{ >> + u32 p1[10], p2[10]; >> + u32 *qfprom_cdata; >> + int mode; >> + >> + qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib"); >> + if (IS_ERR(qfprom_cdata)) >> + return PTR_ERR(qfprom_cdata); >> + >> + mode = tsens_read_calibration_legacy(priv, &tsens_ipq5018_nvmem, >> + p1, p2, >> + qfprom_cdata, NULL); > > No, this should be used only in _legacy_ cases. Please use > tsens_calibrate_common() / tsens_calibrate_nvmem() / etc. > ok. >> + >> + fixup_ipq5018_points(mode, p1, p2); >> + compute_intercept_slope(priv, p1, p2, mode); >> + kfree(qfprom_cdata); >> + >> + return 0; >> +} >> + >> static int calibrate_v1(struct tsens_priv *priv) >> { >> u32 p1[10], p2[10]; >> @@ -79,6 +132,18 @@ static struct tsens_features tsens_v1_feat = { >> .trip_max_temp = 120000, >> }; >> >> +static struct tsens_features tsens_v1_ipq5018_feat = { >> + .ver_major = VER_1_X, >> + .crit_int = 0, >> + .combo_int = 0, >> + .adc = 1, >> + .srot_split = 1, >> + .max_sensors = 11, >> + .trip_min_temp = -40000, >> + .trip_max_temp = 120000, >> + .no_early_init = 1, >> +}; >> + >> static const struct reg_field tsens_v1_regfields[MAX_REGFIELDS] = { >> /* ----- SROT ------ */ >> /* VERSION */ >> @@ -150,6 +215,43 @@ static int __init init_8956(struct tsens_priv *priv) { >> return init_common(priv); >> } >> >> +static int init_ipq5018(struct tsens_priv *priv) >> +{ >> + int ret; >> + u32 mask; >> + >> + init_common(priv); >> + if (!priv->tm_map) >> + return -ENODEV; >> + >> + ret = regmap_field_write(priv->rf[TSENS_SW_RST], 1); >> + if (ret) { >> + dev_err(priv->dev, "Reset failed\n"); >> + return ret; >> + } >> + >> + mask = GENMASK(10, 0); > > #define this, then inline the variable. Or extract this codepiece into > generic function which uses num_sensors to calculate the mask > ok. >> + ret = regmap_field_update_bits(priv->rf[SENSOR_EN], mask, mask); >> + if (ret) { >> + dev_err(priv->dev, "Sensor Enable failed\n"); >> + return ret; >> + } >> + >> + ret = regmap_field_write(priv->rf[TSENS_EN], 1); >> + if (ret) { >> + dev_err(priv->dev, "Enable failed\n"); >> + return ret; >> + } >> + >> + ret = regmap_field_write(priv->rf[TSENS_SW_RST], 0); >> + if (ret) { >> + dev_err(priv->dev, "Reset failed\n"); > > This error message is useless. You can not determine if it comes from > this error or from setting the reset bit. > ok, will drop it. Regards, Sricharan
diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c index dc1c4ae2d8b0..a74dae69408b 100644 --- a/drivers/thermal/qcom/tsens-v1.c +++ b/drivers/thermal/qcom/tsens-v1.c @@ -42,6 +42,59 @@ static struct tsens_legacy_calibration_format tsens_qcs404_nvmem = { }, }; +struct tsens_legacy_calibration_format tsens_ipq5018_nvmem = { + .base_len = 8, + .base_shift = 2, + .sp_len = 6, + .mode = { 0, 8 }, + .invalid = { 0, 2 }, + .base = { { 0, 11 }, { 0, 19 } }, + .sp = { + { { 0, 27 }, { 1, 1 } }, + { { 1, 7 }, { 1, 13 } }, + { { 1, 19 }, { 1, 25 } }, + { { 1, 31 }, { 2, 5 } }, + { { 2, 11 }, { 3, 0 } }, + }, +}; + +static void fixup_ipq5018_points(int mode, u32 *p1, u32 *p2) +{ + if (mode == NO_PT_CALIB) { + p1[0] = 403; + p2[0] = 688; + p1[1] = 390; + p2[1] = 674; + p1[2] = 341; + p2[2] = 635; + p1[3] = 387; + p2[3] = 673; + p1[4] = 347; + p2[4] = 639; + } +} + +static int calibrate_ipq5018(struct tsens_priv *priv) +{ + u32 p1[10], p2[10]; + u32 *qfprom_cdata; + int mode; + + qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib"); + if (IS_ERR(qfprom_cdata)) + return PTR_ERR(qfprom_cdata); + + mode = tsens_read_calibration_legacy(priv, &tsens_ipq5018_nvmem, + p1, p2, + qfprom_cdata, NULL); + + fixup_ipq5018_points(mode, p1, p2); + compute_intercept_slope(priv, p1, p2, mode); + kfree(qfprom_cdata); + + return 0; +} + static int calibrate_v1(struct tsens_priv *priv) { u32 p1[10], p2[10]; @@ -79,6 +132,18 @@ static struct tsens_features tsens_v1_feat = { .trip_max_temp = 120000, }; +static struct tsens_features tsens_v1_ipq5018_feat = { + .ver_major = VER_1_X, + .crit_int = 0, + .combo_int = 0, + .adc = 1, + .srot_split = 1, + .max_sensors = 11, + .trip_min_temp = -40000, + .trip_max_temp = 120000, + .no_early_init = 1, +}; + static const struct reg_field tsens_v1_regfields[MAX_REGFIELDS] = { /* ----- SROT ------ */ /* VERSION */ @@ -150,6 +215,43 @@ static int __init init_8956(struct tsens_priv *priv) { return init_common(priv); } +static int init_ipq5018(struct tsens_priv *priv) +{ + int ret; + u32 mask; + + init_common(priv); + if (!priv->tm_map) + return -ENODEV; + + ret = regmap_field_write(priv->rf[TSENS_SW_RST], 1); + if (ret) { + dev_err(priv->dev, "Reset failed\n"); + return ret; + } + + mask = GENMASK(10, 0); + ret = regmap_field_update_bits(priv->rf[SENSOR_EN], mask, mask); + if (ret) { + dev_err(priv->dev, "Sensor Enable failed\n"); + return ret; + } + + ret = regmap_field_write(priv->rf[TSENS_EN], 1); + if (ret) { + dev_err(priv->dev, "Enable failed\n"); + return ret; + } + + ret = regmap_field_write(priv->rf[TSENS_SW_RST], 0); + if (ret) { + dev_err(priv->dev, "Reset failed\n"); + return ret; + } + + return 0; +} + static const struct tsens_ops ops_generic_v1 = { .init = init_common, .calibrate = calibrate_v1, @@ -187,3 +289,16 @@ struct tsens_plat_data data_8976 = { .feat = &tsens_v1_feat, .fields = tsens_v1_regfields, }; + +const struct tsens_ops ops_ipq5018 = { + .init = init_ipq5018, + .calibrate = calibrate_ipq5018, + .get_temp = get_temp_tsens_valid, +}; + +struct tsens_plat_data data_ipq5018 = { + .num_sensors = 5, + .ops = &ops_ipq5018, + .feat = &tsens_v1_ipq5018_feat, + .fields = tsens_v1_regfields, +}; diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index fb73e3dd0de9..5f0bdbeedf90 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -645,7 +645,7 @@ extern struct tsens_plat_data data_8960; extern struct tsens_plat_data data_8226, data_8909, data_8916, data_8939, data_8974, data_9607; /* TSENS v1 targets */ -extern struct tsens_plat_data data_tsens_v1, data_8976, data_8956; +extern struct tsens_plat_data data_tsens_v1, data_8976, data_8956, data_ipq5018; /* TSENS v2 targets */ extern struct tsens_plat_data data_8996, data_ipq8074, data_tsens_v2;
IPQ5018 has tsens IP V1.0, 4 sensors and 1 interrupt. The soc does not have a RPM, hence tsens has to be reset and enabled in the driver init. Adding the driver support for same. Signed-off-by: Sricharan Ramabadhran <quic_srichara@quicinc.com> --- drivers/thermal/qcom/tsens-v1.c | 115 ++++++++++++++++++++++++++++++++ drivers/thermal/qcom/tsens.h | 2 +- 2 files changed, 116 insertions(+), 1 deletion(-)