| Message ID | 20210209192526.455106-1-konrad.dybcio@somainline.org (mailing list archive) |
|---|---|
| State | Not Applicable, archived |
| Headers | show |
| Series | [v3] thermal: qcom: tsens-v0_1: Add support for MDM9607 | expand |
On 2/9/21 2:25 PM, Konrad Dybcio wrote: > MDM9607 TSENS IP is very similar to the one of MSM8916, with > minor adjustments to various tuning values. > > Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> > Acked-by: Rob Herring <robh@kernel.org> > > --- > Changes since v2: > - Address Bjorn's comments (remove redundant variable and kfree) > .../bindings/thermal/qcom-tsens.yaml | 2 + > drivers/thermal/qcom/tsens-v0_1.c | 99 ++++++++++++++++++- > drivers/thermal/qcom/tsens.c | 3 + > drivers/thermal/qcom/tsens.h | 2 +- > 4 files changed, 104 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml > index 95462e071ab4..8ad9dc139c23 100644 > --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml > +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml > @@ -22,6 +22,7 @@ properties: > - description: v0.1 of TSENS > items: > - enum: > + - qcom,mdm9607-tsens > - qcom,msm8916-tsens > - qcom,msm8939-tsens > - qcom,msm8974-tsens > @@ -94,6 +95,7 @@ allOf: > compatible: > contains: > enum: > + - qcom,mdm9607-tsens This should be split into two different patches. DT binding changes is usually not combined with driver changes because two different maintainers handle them. Also checkpatch.pl throws a warning stating the same. > - qcom,msm8916-tsens > - qcom,msm8974-tsens > - qcom,msm8976-tsens > diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c > index 4ffa2e2c0145..a9fc92a4779b 100644 > --- a/drivers/thermal/qcom/tsens-v0_1.c > +++ b/drivers/thermal/qcom/tsens-v0_1.c > @@ -190,6 +190,39 @@ > > #define BIT_APPEND 0x3 > > +/* eeprom layout data for mdm9607 */ > +#define MDM9607_BASE0_MASK 0x000000ff > +#define MDM9607_BASE1_MASK 0x000ff000 > +#define MDM9607_BASE0_SHIFT 0 > +#define MDM9607_BASE1_SHIFT 12 > + > +#define MDM9607_S0_P1_MASK 0x00003f00 > +#define MDM9607_S1_P1_MASK 0x03f00000 > +#define MDM9607_S2_P1_MASK 0x0000003f > +#define MDM9607_S3_P1_MASK 0x0003f000 > +#define MDM9607_S4_P1_MASK 0x0000003f > + > +#define MDM9607_S0_P2_MASK 0x000fc000 > +#define MDM9607_S1_P2_MASK 0xfc000000 > +#define MDM9607_S2_P2_MASK 0x00000fc0 > +#define MDM9607_S3_P2_MASK 0x00fc0000 > +#define MDM9607_S4_P2_MASK 0x00000fc0 > + > +#define MDM9607_S0_P1_SHIFT 8 > +#define MDM9607_S1_P1_SHIFT 20 > +#define MDM9607_S2_P1_SHIFT 0 > +#define MDM9607_S3_P1_SHIFT 12 > +#define MDM9607_S4_P1_SHIFT 0 > + > +#define MDM9607_S0_P2_SHIFT 14 > +#define MDM9607_S1_P2_SHIFT 26 > +#define MDM9607_S2_P2_SHIFT 6 > +#define MDM9607_S3_P2_SHIFT 18 > +#define MDM9607_S4_P2_SHIFT 6 > + > +#define MDM9607_CAL_SEL_MASK 0x00700000 > +#define MDM9607_CAL_SEL_SHIFT 20 > + > static int calibrate_8916(struct tsens_priv *priv) > { > int base0 = 0, base1 = 0, i; > @@ -452,7 +485,56 @@ static int calibrate_8974(struct tsens_priv *priv) > return 0; > } > > -/* v0.1: 8916, 8939, 8974 */ > +static int calibrate_9607(struct tsens_priv *priv) > +{ > + int base, i; > + u32 p1[5], p2[5]; > + int mode = 0; > + u32 *qfprom_cdata; > + > + qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib"); > + if (IS_ERR(qfprom_cdata)) > + return PTR_ERR(qfprom_cdata); > + > + mode = (qfprom_cdata[2] & MDM9607_CAL_SEL_MASK) >> MDM9607_CAL_SEL_SHIFT; > + dev_dbg(priv->dev, "calibration mode is %d\n", mode); > + > + switch (mode) { > + case TWO_PT_CALIB: > + base = (qfprom_cdata[2] & MDM9607_BASE1_MASK) >> MDM9607_BASE1_SHIFT; > + p2[0] = (qfprom_cdata[0] & MDM9607_S0_P2_MASK) >> MDM9607_S0_P2_SHIFT; > + p2[1] = (qfprom_cdata[0] & MDM9607_S1_P2_MASK) >> MDM9607_S1_P2_SHIFT; > + p2[2] = (qfprom_cdata[1] & MDM9607_S2_P2_MASK) >> MDM9607_S2_P2_SHIFT; > + p2[3] = (qfprom_cdata[1] & MDM9607_S3_P2_MASK) >> MDM9607_S3_P2_SHIFT; > + p2[4] = (qfprom_cdata[2] & MDM9607_S4_P2_MASK) >> MDM9607_S4_P2_SHIFT; > + for (i = 0; i < priv->num_sensors; i++) > + p2[i] = ((base + p2[i]) << 2); > + fallthrough; > + case ONE_PT_CALIB2: > + base = (qfprom_cdata[0] & MDM9607_BASE0_MASK); > + p1[0] = (qfprom_cdata[0] & MDM9607_S0_P1_MASK) >> MDM9607_S0_P1_SHIFT; > + p1[1] = (qfprom_cdata[0] & MDM9607_S1_P1_MASK) >> MDM9607_S1_P1_SHIFT; > + p1[2] = (qfprom_cdata[1] & MDM9607_S2_P1_MASK) >> MDM9607_S2_P1_SHIFT; > + p1[3] = (qfprom_cdata[1] & MDM9607_S3_P1_MASK) >> MDM9607_S3_P1_SHIFT; > + p1[4] = (qfprom_cdata[2] & MDM9607_S4_P1_MASK) >> MDM9607_S4_P1_SHIFT; > + for (i = 0; i < priv->num_sensors; i++) > + p1[i] = (((base) + p1[i]) << 2); minor nit: extra braces around base > + break; > + default: > + for (i = 0; i < priv->num_sensors; i++) { > + p1[i] = 500; > + p2[i] = 780; > + } > + break; > + } > + > + compute_intercept_slope(priv, p1, p2, mode); > + kfree(qfprom_cdata); > + > + return 0; > +} > + > +/* v0.1: 8916, 8939, 8974, 9607 */ > > static struct tsens_features tsens_v0_1_feat = { > .ver_major = VER_0_1, > @@ -540,3 +622,18 @@ struct tsens_plat_data data_8974 = { > .feat = &tsens_v0_1_feat, > .fields = tsens_v0_1_regfields, > }; > + > +static const struct tsens_ops ops_9607 = { > + .init = init_common, > + .calibrate = calibrate_9607, > + .get_temp = get_temp_common, > +}; > + > +struct tsens_plat_data data_9607 = { > + .num_sensors = 5, > + .ops = &ops_9607, > + .hw_ids = (unsigned int []){ 0, 1, 2, 3, 4 }, > + please remove the stray blank line.
diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml index 95462e071ab4..8ad9dc139c23 100644 --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml @@ -22,6 +22,7 @@ properties: - description: v0.1 of TSENS items: - enum: + - qcom,mdm9607-tsens - qcom,msm8916-tsens - qcom,msm8939-tsens - qcom,msm8974-tsens @@ -94,6 +95,7 @@ allOf: compatible: contains: enum: + - qcom,mdm9607-tsens - qcom,msm8916-tsens - qcom,msm8974-tsens - qcom,msm8976-tsens diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c index 4ffa2e2c0145..a9fc92a4779b 100644 --- a/drivers/thermal/qcom/tsens-v0_1.c +++ b/drivers/thermal/qcom/tsens-v0_1.c @@ -190,6 +190,39 @@ #define BIT_APPEND 0x3 +/* eeprom layout data for mdm9607 */ +#define MDM9607_BASE0_MASK 0x000000ff +#define MDM9607_BASE1_MASK 0x000ff000 +#define MDM9607_BASE0_SHIFT 0 +#define MDM9607_BASE1_SHIFT 12 + +#define MDM9607_S0_P1_MASK 0x00003f00 +#define MDM9607_S1_P1_MASK 0x03f00000 +#define MDM9607_S2_P1_MASK 0x0000003f +#define MDM9607_S3_P1_MASK 0x0003f000 +#define MDM9607_S4_P1_MASK 0x0000003f + +#define MDM9607_S0_P2_MASK 0x000fc000 +#define MDM9607_S1_P2_MASK 0xfc000000 +#define MDM9607_S2_P2_MASK 0x00000fc0 +#define MDM9607_S3_P2_MASK 0x00fc0000 +#define MDM9607_S4_P2_MASK 0x00000fc0 + +#define MDM9607_S0_P1_SHIFT 8 +#define MDM9607_S1_P1_SHIFT 20 +#define MDM9607_S2_P1_SHIFT 0 +#define MDM9607_S3_P1_SHIFT 12 +#define MDM9607_S4_P1_SHIFT 0 + +#define MDM9607_S0_P2_SHIFT 14 +#define MDM9607_S1_P2_SHIFT 26 +#define MDM9607_S2_P2_SHIFT 6 +#define MDM9607_S3_P2_SHIFT 18 +#define MDM9607_S4_P2_SHIFT 6 + +#define MDM9607_CAL_SEL_MASK 0x00700000 +#define MDM9607_CAL_SEL_SHIFT 20 + static int calibrate_8916(struct tsens_priv *priv) { int base0 = 0, base1 = 0, i; @@ -452,7 +485,56 @@ static int calibrate_8974(struct tsens_priv *priv) return 0; } -/* v0.1: 8916, 8939, 8974 */ +static int calibrate_9607(struct tsens_priv *priv) +{ + int base, i; + u32 p1[5], p2[5]; + int mode = 0; + u32 *qfprom_cdata; + + qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib"); + if (IS_ERR(qfprom_cdata)) + return PTR_ERR(qfprom_cdata); + + mode = (qfprom_cdata[2] & MDM9607_CAL_SEL_MASK) >> MDM9607_CAL_SEL_SHIFT; + dev_dbg(priv->dev, "calibration mode is %d\n", mode); + + switch (mode) { + case TWO_PT_CALIB: + base = (qfprom_cdata[2] & MDM9607_BASE1_MASK) >> MDM9607_BASE1_SHIFT; + p2[0] = (qfprom_cdata[0] & MDM9607_S0_P2_MASK) >> MDM9607_S0_P2_SHIFT; + p2[1] = (qfprom_cdata[0] & MDM9607_S1_P2_MASK) >> MDM9607_S1_P2_SHIFT; + p2[2] = (qfprom_cdata[1] & MDM9607_S2_P2_MASK) >> MDM9607_S2_P2_SHIFT; + p2[3] = (qfprom_cdata[1] & MDM9607_S3_P2_MASK) >> MDM9607_S3_P2_SHIFT; + p2[4] = (qfprom_cdata[2] & MDM9607_S4_P2_MASK) >> MDM9607_S4_P2_SHIFT; + for (i = 0; i < priv->num_sensors; i++) + p2[i] = ((base + p2[i]) << 2); + fallthrough; + case ONE_PT_CALIB2: + base = (qfprom_cdata[0] & MDM9607_BASE0_MASK); + p1[0] = (qfprom_cdata[0] & MDM9607_S0_P1_MASK) >> MDM9607_S0_P1_SHIFT; + p1[1] = (qfprom_cdata[0] & MDM9607_S1_P1_MASK) >> MDM9607_S1_P1_SHIFT; + p1[2] = (qfprom_cdata[1] & MDM9607_S2_P1_MASK) >> MDM9607_S2_P1_SHIFT; + p1[3] = (qfprom_cdata[1] & MDM9607_S3_P1_MASK) >> MDM9607_S3_P1_SHIFT; + p1[4] = (qfprom_cdata[2] & MDM9607_S4_P1_MASK) >> MDM9607_S4_P1_SHIFT; + for (i = 0; i < priv->num_sensors; i++) + p1[i] = (((base) + p1[i]) << 2); + break; + default: + for (i = 0; i < priv->num_sensors; i++) { + p1[i] = 500; + p2[i] = 780; + } + break; + } + + compute_intercept_slope(priv, p1, p2, mode); + kfree(qfprom_cdata); + + return 0; +} + +/* v0.1: 8916, 8939, 8974, 9607 */ static struct tsens_features tsens_v0_1_feat = { .ver_major = VER_0_1, @@ -540,3 +622,18 @@ struct tsens_plat_data data_8974 = { .feat = &tsens_v0_1_feat, .fields = tsens_v0_1_regfields, }; + +static const struct tsens_ops ops_9607 = { + .init = init_common, + .calibrate = calibrate_9607, + .get_temp = get_temp_common, +}; + +struct tsens_plat_data data_9607 = { + .num_sensors = 5, + .ops = &ops_9607, + .hw_ids = (unsigned int []){ 0, 1, 2, 3, 4 }, + + .feat = &tsens_v0_1_feat, + .fields = tsens_v0_1_regfields, +}; diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index d8ce3a687b80..51c36b9e8e69 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -895,6 +895,9 @@ static SIMPLE_DEV_PM_OPS(tsens_pm_ops, tsens_suspend, tsens_resume); static const struct of_device_id tsens_table[] = { { + .compatible = "qcom,mdm9607-tsens", + .data = &data_9607, + }, { .compatible = "qcom,msm8916-tsens", .data = &data_8916, }, { diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index f40b625f897e..cba64c33b4f9 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -585,7 +585,7 @@ int get_temp_common(const struct tsens_sensor *s, int *temp); extern struct tsens_plat_data data_8960; /* TSENS v0.1 targets */ -extern struct tsens_plat_data data_8916, data_8939, data_8974; +extern struct tsens_plat_data data_8916, data_8939, data_8974, data_9607; /* TSENS v1 targets */ extern struct tsens_plat_data data_tsens_v1, data_8976;