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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /drivers/thermal/qcom/tsens-v1.c
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/thermal/qcom/tsens-v1.c')
-rw-r--r--drivers/thermal/qcom/tsens-v1.c189
1 files changed, 189 insertions, 0 deletions
diff --git a/drivers/thermal/qcom/tsens-v1.c b/drivers/thermal/qcom/tsens-v1.c
new file mode 100644
index 0000000000..dc1c4ae2d8
--- /dev/null
+++ b/drivers/thermal/qcom/tsens-v1.c
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019, Linaro Limited
+ */
+
+#include <linux/bitops.h>
+#include <linux/regmap.h>
+#include <linux/delay.h>
+#include <linux/slab.h>
+#include "tsens.h"
+
+/* ----- SROT ------ */
+#define SROT_HW_VER_OFF 0x0000
+#define SROT_CTRL_OFF 0x0004
+
+/* ----- TM ------ */
+#define TM_INT_EN_OFF 0x0000
+#define TM_Sn_UPPER_LOWER_STATUS_CTRL_OFF 0x0004
+#define TM_Sn_STATUS_OFF 0x0044
+#define TM_TRDY_OFF 0x0084
+#define TM_HIGH_LOW_INT_STATUS_OFF 0x0088
+#define TM_HIGH_LOW_Sn_INT_THRESHOLD_OFF 0x0090
+
+static struct tsens_legacy_calibration_format tsens_qcs404_nvmem = {
+ .base_len = 8,
+ .base_shift = 2,
+ .sp_len = 6,
+ .mode = { 4, 0 },
+ .invalid = { 4, 2 },
+ .base = { { 4, 3 }, { 4, 11 } },
+ .sp = {
+ { { 0, 0 }, { 0, 6 } },
+ { { 0, 12 }, { 0, 18 } },
+ { { 0, 24 }, { 0, 30 } },
+ { { 1, 4 }, { 1, 10 } },
+ { { 1, 16 }, { 1, 22 } },
+ { { 2, 0 }, { 2, 6 } },
+ { { 2, 12 }, { 2, 18 } },
+ { { 2, 24 }, { 2, 30 } },
+ { { 3, 4 }, { 3, 10 } },
+ { { 3, 16 }, { 3, 22 } },
+ },
+};
+
+static int calibrate_v1(struct tsens_priv *priv)
+{
+ u32 p1[10], p2[10];
+ u32 *qfprom_cdata;
+ int mode, ret;
+
+ ret = tsens_calibrate_common(priv);
+ if (!ret)
+ return 0;
+
+ 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_qcs404_nvmem,
+ p1, p2,
+ qfprom_cdata, NULL);
+
+ compute_intercept_slope(priv, p1, p2, mode);
+ kfree(qfprom_cdata);
+
+ return 0;
+}
+
+/* v1.x: msm8956,8976,qcs404,405 */
+
+static struct tsens_features tsens_v1_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,
+};
+
+static const struct reg_field tsens_v1_regfields[MAX_REGFIELDS] = {
+ /* ----- SROT ------ */
+ /* VERSION */
+ [VER_MAJOR] = REG_FIELD(SROT_HW_VER_OFF, 28, 31),
+ [VER_MINOR] = REG_FIELD(SROT_HW_VER_OFF, 16, 27),
+ [VER_STEP] = REG_FIELD(SROT_HW_VER_OFF, 0, 15),
+ /* CTRL_OFFSET */
+ [TSENS_EN] = REG_FIELD(SROT_CTRL_OFF, 0, 0),
+ [TSENS_SW_RST] = REG_FIELD(SROT_CTRL_OFF, 1, 1),
+ [SENSOR_EN] = REG_FIELD(SROT_CTRL_OFF, 3, 13),
+
+ /* ----- TM ------ */
+ /* INTERRUPT ENABLE */
+ [INT_EN] = REG_FIELD(TM_INT_EN_OFF, 0, 0),
+
+ /* UPPER/LOWER TEMPERATURE THRESHOLDS */
+ REG_FIELD_FOR_EACH_SENSOR11(LOW_THRESH, TM_Sn_UPPER_LOWER_STATUS_CTRL_OFF, 0, 9),
+ REG_FIELD_FOR_EACH_SENSOR11(UP_THRESH, TM_Sn_UPPER_LOWER_STATUS_CTRL_OFF, 10, 19),
+
+ /* UPPER/LOWER INTERRUPTS [CLEAR/STATUS] */
+ REG_FIELD_FOR_EACH_SENSOR11(LOW_INT_CLEAR, TM_Sn_UPPER_LOWER_STATUS_CTRL_OFF, 20, 20),
+ REG_FIELD_FOR_EACH_SENSOR11(UP_INT_CLEAR, TM_Sn_UPPER_LOWER_STATUS_CTRL_OFF, 21, 21),
+ [LOW_INT_STATUS_0] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 0, 0),
+ [LOW_INT_STATUS_1] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 1, 1),
+ [LOW_INT_STATUS_2] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 2, 2),
+ [LOW_INT_STATUS_3] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 3, 3),
+ [LOW_INT_STATUS_4] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 4, 4),
+ [LOW_INT_STATUS_5] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 5, 5),
+ [LOW_INT_STATUS_6] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 6, 6),
+ [LOW_INT_STATUS_7] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 7, 7),
+ [UP_INT_STATUS_0] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 8, 8),
+ [UP_INT_STATUS_1] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 9, 9),
+ [UP_INT_STATUS_2] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 10, 10),
+ [UP_INT_STATUS_3] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 11, 11),
+ [UP_INT_STATUS_4] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 12, 12),
+ [UP_INT_STATUS_5] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 13, 13),
+ [UP_INT_STATUS_6] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 14, 14),
+ [UP_INT_STATUS_7] = REG_FIELD(TM_HIGH_LOW_INT_STATUS_OFF, 15, 15),
+
+ /* NO CRITICAL INTERRUPT SUPPORT on v1 */
+
+ /* Sn_STATUS */
+ REG_FIELD_FOR_EACH_SENSOR11(LAST_TEMP, TM_Sn_STATUS_OFF, 0, 9),
+ REG_FIELD_FOR_EACH_SENSOR11(VALID, TM_Sn_STATUS_OFF, 14, 14),
+ /* xxx_STATUS bits: 1 == threshold violated */
+ REG_FIELD_FOR_EACH_SENSOR11(MIN_STATUS, TM_Sn_STATUS_OFF, 10, 10),
+ REG_FIELD_FOR_EACH_SENSOR11(LOWER_STATUS, TM_Sn_STATUS_OFF, 11, 11),
+ REG_FIELD_FOR_EACH_SENSOR11(UPPER_STATUS, TM_Sn_STATUS_OFF, 12, 12),
+ /* No CRITICAL field on v1.x */
+ REG_FIELD_FOR_EACH_SENSOR11(MAX_STATUS, TM_Sn_STATUS_OFF, 13, 13),
+
+ /* TRDY: 1=ready, 0=in progress */
+ [TRDY] = REG_FIELD(TM_TRDY_OFF, 0, 0),
+};
+
+static int __init init_8956(struct tsens_priv *priv) {
+ priv->sensor[0].slope = 3313;
+ priv->sensor[1].slope = 3275;
+ priv->sensor[2].slope = 3320;
+ priv->sensor[3].slope = 3246;
+ priv->sensor[4].slope = 3279;
+ priv->sensor[5].slope = 3257;
+ priv->sensor[6].slope = 3234;
+ priv->sensor[7].slope = 3269;
+ priv->sensor[8].slope = 3255;
+ priv->sensor[9].slope = 3239;
+ priv->sensor[10].slope = 3286;
+
+ return init_common(priv);
+}
+
+static const struct tsens_ops ops_generic_v1 = {
+ .init = init_common,
+ .calibrate = calibrate_v1,
+ .get_temp = get_temp_tsens_valid,
+};
+
+struct tsens_plat_data data_tsens_v1 = {
+ .ops = &ops_generic_v1,
+ .feat = &tsens_v1_feat,
+ .fields = tsens_v1_regfields,
+};
+
+static const struct tsens_ops ops_8956 = {
+ .init = init_8956,
+ .calibrate = tsens_calibrate_common,
+ .get_temp = get_temp_tsens_valid,
+};
+
+struct tsens_plat_data data_8956 = {
+ .num_sensors = 11,
+ .ops = &ops_8956,
+ .feat = &tsens_v1_feat,
+ .fields = tsens_v1_regfields,
+};
+
+static const struct tsens_ops ops_8976 = {
+ .init = init_common,
+ .calibrate = tsens_calibrate_common,
+ .get_temp = get_temp_tsens_valid,
+};
+
+struct tsens_plat_data data_8976 = {
+ .num_sensors = 11,
+ .ops = &ops_8976,
+ .feat = &tsens_v1_feat,
+ .fields = tsens_v1_regfields,
+};