diff options
Diffstat (limited to 'drivers/thermal/qcom/tsens-v0_1.c')
| -rw-r--r-- | drivers/thermal/qcom/tsens-v0_1.c | 144 |
1 files changed, 143 insertions, 1 deletions
diff --git a/drivers/thermal/qcom/tsens-v0_1.c b/drivers/thermal/qcom/tsens-v0_1.c index 959a9371d205..e64db5f80d90 100644 --- a/drivers/thermal/qcom/tsens-v0_1.c +++ b/drivers/thermal/qcom/tsens-v0_1.c @@ -48,6 +48,63 @@ #define MSM8916_CAL_SEL_MASK 0xe0000000 #define MSM8916_CAL_SEL_SHIFT 29 +/* eeprom layout data for 8939 */ +#define MSM8939_BASE0_MASK 0x000000ff +#define MSM8939_BASE1_MASK 0xff000000 +#define MSM8939_BASE0_SHIFT 0 +#define MSM8939_BASE1_SHIFT 24 + +#define MSM8939_S0_P1_MASK 0x000001f8 +#define MSM8939_S1_P1_MASK 0x001f8000 +#define MSM8939_S2_P1_MASK_0_4 0xf8000000 +#define MSM8939_S2_P1_MASK_5 0x00000001 +#define MSM8939_S3_P1_MASK 0x00001f80 +#define MSM8939_S4_P1_MASK 0x01f80000 +#define MSM8939_S5_P1_MASK 0x00003f00 +#define MSM8939_S6_P1_MASK 0x03f00000 +#define MSM8939_S7_P1_MASK 0x0000003f +#define MSM8939_S8_P1_MASK 0x0003f000 +#define MSM8939_S9_P1_MASK 0x07e00000 + +#define MSM8939_S0_P2_MASK 0x00007e00 +#define MSM8939_S1_P2_MASK 0x07e00000 +#define MSM8939_S2_P2_MASK 0x0000007e +#define MSM8939_S3_P2_MASK 0x0007e000 +#define MSM8939_S4_P2_MASK 0x7e000000 +#define MSM8939_S5_P2_MASK 0x000fc000 +#define MSM8939_S6_P2_MASK 0xfc000000 +#define MSM8939_S7_P2_MASK 0x00000fc0 +#define MSM8939_S8_P2_MASK 0x00fc0000 +#define MSM8939_S9_P2_MASK_0_4 0xf8000000 +#define MSM8939_S9_P2_MASK_5 0x00002000 + +#define MSM8939_S0_P1_SHIFT 3 +#define MSM8939_S1_P1_SHIFT 15 +#define MSM8939_S2_P1_SHIFT_0_4 27 +#define MSM8939_S2_P1_SHIFT_5 0 +#define MSM8939_S3_P1_SHIFT 7 +#define MSM8939_S4_P1_SHIFT 19 +#define MSM8939_S5_P1_SHIFT 8 +#define MSM8939_S6_P1_SHIFT 20 +#define MSM8939_S7_P1_SHIFT 0 +#define MSM8939_S8_P1_SHIFT 12 +#define MSM8939_S9_P1_SHIFT 21 + +#define MSM8939_S0_P2_SHIFT 9 +#define MSM8939_S1_P2_SHIFT 21 +#define MSM8939_S2_P2_SHIFT 1 +#define MSM8939_S3_P2_SHIFT 13 +#define MSM8939_S4_P2_SHIFT 25 +#define MSM8939_S5_P2_SHIFT 14 +#define MSM8939_S6_P2_SHIFT 26 +#define MSM8939_S7_P2_SHIFT 6 +#define MSM8939_S8_P2_SHIFT 18 +#define MSM8939_S9_P2_SHIFT_0_4 27 +#define MSM8939_S9_P2_SHIFT_5 13 + +#define MSM8939_CAL_SEL_MASK 0x7 +#define MSM8939_CAL_SEL_SHIFT 0 + /* eeprom layout data for 8974 */ #define BASE1_MASK 0xff #define S0_P1_MASK 0x3f00 @@ -189,6 +246,76 @@ static int calibrate_8916(struct tsens_priv *priv) return 0; } +static int calibrate_8939(struct tsens_priv *priv) +{ + int base0 = 0, base1 = 0, i; + u32 p1[10], p2[10]; + int mode = 0; + u32 *qfprom_cdata; + u32 cdata[6]; + + qfprom_cdata = (u32 *)qfprom_read(priv->dev, "calib"); + if (IS_ERR(qfprom_cdata)) + return PTR_ERR(qfprom_cdata); + + /* Mapping between qfprom nvmem and calibration data */ + cdata[0] = qfprom_cdata[12]; + cdata[1] = qfprom_cdata[13]; + cdata[2] = qfprom_cdata[0]; + cdata[3] = qfprom_cdata[1]; + cdata[4] = qfprom_cdata[22]; + cdata[5] = qfprom_cdata[21]; + + mode = (cdata[0] & MSM8939_CAL_SEL_MASK) >> MSM8939_CAL_SEL_SHIFT; + dev_dbg(priv->dev, "calibration mode is %d\n", mode); + + switch (mode) { + case TWO_PT_CALIB: + base1 = (cdata[3] & MSM8939_BASE1_MASK) >> MSM8939_BASE1_SHIFT; + p2[0] = (cdata[0] & MSM8939_S0_P2_MASK) >> MSM8939_S0_P2_SHIFT; + p2[1] = (cdata[0] & MSM8939_S1_P2_MASK) >> MSM8939_S1_P2_SHIFT; + p2[2] = (cdata[1] & MSM8939_S2_P2_MASK) >> MSM8939_S2_P2_SHIFT; + p2[3] = (cdata[1] & MSM8939_S3_P2_MASK) >> MSM8939_S3_P2_SHIFT; + p2[4] = (cdata[1] & MSM8939_S4_P2_MASK) >> MSM8939_S4_P2_SHIFT; + p2[5] = (cdata[2] & MSM8939_S5_P2_MASK) >> MSM8939_S5_P2_SHIFT; + p2[6] = (cdata[2] & MSM8939_S6_P2_MASK) >> MSM8939_S6_P2_SHIFT; + p2[7] = (cdata[3] & MSM8939_S7_P2_MASK) >> MSM8939_S7_P2_SHIFT; + p2[8] = (cdata[3] & MSM8939_S8_P2_MASK) >> MSM8939_S8_P2_SHIFT; + p2[9] = (cdata[4] & MSM8939_S9_P2_MASK_0_4) >> MSM8939_S9_P2_SHIFT_0_4; + p2[9] |= ((cdata[5] & MSM8939_S9_P2_MASK_5) >> MSM8939_S9_P2_SHIFT_5) << 5; + for (i = 0; i < priv->num_sensors; i++) + p2[i] = (base1 + p2[i]) << 2; + fallthrough; + case ONE_PT_CALIB2: + base0 = (cdata[2] & MSM8939_BASE0_MASK) >> MSM8939_BASE0_SHIFT; + p1[0] = (cdata[0] & MSM8939_S0_P1_MASK) >> MSM8939_S0_P1_SHIFT; + p1[1] = (cdata[0] & MSM8939_S1_P1_MASK) >> MSM8939_S1_P1_SHIFT; + p1[2] = (cdata[0] & MSM8939_S2_P1_MASK_0_4) >> MSM8939_S2_P1_SHIFT_0_4; + p1[2] |= ((cdata[1] & MSM8939_S2_P1_MASK_5) >> MSM8939_S2_P1_SHIFT_5) << 5; + p1[3] = (cdata[1] & MSM8939_S3_P1_MASK) >> MSM8939_S3_P1_SHIFT; + p1[4] = (cdata[1] & MSM8939_S4_P1_MASK) >> MSM8939_S4_P1_SHIFT; + p1[5] = (cdata[2] & MSM8939_S5_P1_MASK) >> MSM8939_S5_P1_SHIFT; + p1[6] = (cdata[2] & MSM8939_S6_P1_MASK) >> MSM8939_S6_P1_SHIFT; + p1[7] = (cdata[3] & MSM8939_S7_P1_MASK) >> MSM8939_S7_P1_SHIFT; + p1[8] = (cdata[3] & MSM8939_S8_P1_MASK) >> MSM8939_S8_P1_SHIFT; + p1[9] = (cdata[4] & MSM8939_S9_P1_MASK) >> MSM8939_S9_P1_SHIFT; + for (i = 0; i < priv->num_sensors; i++) + p1[i] = ((base0) + 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; +} + static int calibrate_8974(struct tsens_priv *priv) { int base1 = 0, base2 = 0, i; @@ -325,7 +452,7 @@ static int calibrate_8974(struct tsens_priv *priv) return 0; } -/* v0.1: 8916, 8974 */ +/* v0.1: 8916, 8939, 8974 */ static struct tsens_features tsens_v0_1_feat = { .ver_major = VER_0_1, @@ -386,6 +513,21 @@ struct tsens_plat_data data_8916 = { .fields = tsens_v0_1_regfields, }; +static const struct tsens_ops ops_8939 = { + .init = init_common, + .calibrate = calibrate_8939, + .get_temp = get_temp_common, +}; + +struct tsens_plat_data data_8939 = { + .num_sensors = 10, + .ops = &ops_8939, + .hw_ids = (unsigned int []){ 0, 1, 2, 4, 5, 6, 7, 8, 9, 10 }, + + .feat = &tsens_v0_1_feat, + .fields = tsens_v0_1_regfields, +}; + static const struct tsens_ops ops_8974 = { .init = init_common, .calibrate = calibrate_8974, |