linux-kernel - [PATCH v9 3/8] drivers: thermal: tsens: Convert msm8960 to reg

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Message-Id: <20210122145558.4982-4-ansuelsmth@gmail.com>
Date:   Fri, 22 Jan 2021 15:55:52 +0100
From:   Ansuel Smith <ansuelsmth@...il.com>
To:     Amit Kucheria <amitk@...nel.org>
Cc:     Ansuel Smith <ansuelsmth@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Zhang Rui <rui.zhang@...el.com>,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v9 3/8] drivers: thermal: tsens: Convert msm8960 to reg_field

Convert msm9860 driver to reg_field to use the init_common
function.

Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
---
 drivers/thermal/qcom/tsens-8960.c | 80 ++++++++++++++++++++++++++++++-
 1 file changed, 79 insertions(+), 1 deletion(-)

diff --git a/drivers/thermal/qcom/tsens-8960.c b/drivers/thermal/qcom/tsens-8960.c
index 2a28a5af209e..3f4fc1ffe679 100644
--- a/drivers/thermal/qcom/tsens-8960.c
+++ b/drivers/thermal/qcom/tsens-8960.c
@@ -51,11 +51,22 @@
 #define MIN_LIMIT_TH		0x0
 #define MAX_LIMIT_TH		0xff
 
-#define S0_STATUS_ADDR		0x3628
 #define INT_STATUS_ADDR		0x363c
 #define TRDY_MASK		BIT(7)
 #define TIMEOUT_US		100
 
+#define S0_STATUS_OFF		0x3628
+#define S1_STATUS_OFF		0x362c
+#define S2_STATUS_OFF		0x3630
+#define S3_STATUS_OFF		0x3634
+#define S4_STATUS_OFF		0x3638
+#define S5_STATUS_OFF		0x3664  /* Sensors 5-10 found on apq8064/msm8960 */
+#define S6_STATUS_OFF		0x3668
+#define S7_STATUS_OFF		0x366c
+#define S8_STATUS_OFF		0x3670
+#define S9_STATUS_OFF		0x3674
+#define S10_STATUS_OFF		0x3678
+
 static int suspend_8960(struct tsens_priv *priv)
 {
 	int ret;
@@ -269,6 +280,71 @@ static int get_temp_8960(const struct tsens_sensor *s, int *temp)
 	return -ETIMEDOUT;
 }
 
+static struct tsens_features tsens_8960_feat = {
+	.ver_major	= VER_0,
+	.crit_int	= 0,
+	.adc		= 1,
+	.srot_split	= 0,
+	.max_sensors	= 11,
+};
+
+static const struct reg_field tsens_8960_regfields[MAX_REGFIELDS] = {
+	/* ----- SROT ------ */
+	/* No VERSION information */
+
+	/* CNTL */
+	[TSENS_EN]     = REG_FIELD(CNTL_ADDR,  0, 0),
+	[TSENS_SW_RST] = REG_FIELD(CNTL_ADDR,  1, 1),
+	/* 8960 has 5 sensors, 8660 has 11, we only handle 5 */
+	[SENSOR_EN]    = REG_FIELD(CNTL_ADDR,  3, 7),
+
+	/* ----- TM ------ */
+	/* INTERRUPT ENABLE */
+	/* NO INTERRUPT ENABLE */
+
+	/* Single UPPER/LOWER TEMPERATURE THRESHOLD for all sensors */
+	[LOW_THRESH_0]   = REG_FIELD(THRESHOLD_ADDR,  0,  7),
+	[UP_THRESH_0]    = REG_FIELD(THRESHOLD_ADDR,  8, 15),
+	/* MIN_THRESH_0 and MAX_THRESH_0 are not present in the regfield
+	 * Recycle CRIT_THRESH_0 and 1 to set the required regs to hardcoded temp
+	 * MIN_THRESH_0 -> CRIT_THRESH_1
+	 * MAX_THRESH_0 -> CRIT_THRESH_0
+	 */
+	[CRIT_THRESH_1]   = REG_FIELD(THRESHOLD_ADDR, 16, 23),
+	[CRIT_THRESH_0]   = REG_FIELD(THRESHOLD_ADDR, 24, 31),
+
+	/* UPPER/LOWER INTERRUPT [CLEAR/STATUS] */
+	/* 1 == clear, 0 == normal operation */
+	[LOW_INT_CLEAR_0]   = REG_FIELD(CNTL_ADDR,  9,  9),
+	[UP_INT_CLEAR_0]    = REG_FIELD(CNTL_ADDR, 10, 10),
+
+	/* NO CRITICAL INTERRUPT SUPPORT on 8960 */
+
+	/* Sn_STATUS */
+	[LAST_TEMP_0]  = REG_FIELD(S0_STATUS_OFF,  0,  7),
+	[LAST_TEMP_1]  = REG_FIELD(S1_STATUS_OFF,  0,  7),
+	[LAST_TEMP_2]  = REG_FIELD(S2_STATUS_OFF,  0,  7),
+	[LAST_TEMP_3]  = REG_FIELD(S3_STATUS_OFF,  0,  7),
+	[LAST_TEMP_4]  = REG_FIELD(S4_STATUS_OFF,  0,  7),
+	[LAST_TEMP_5]  = REG_FIELD(S5_STATUS_OFF,  0,  7),
+	[LAST_TEMP_6]  = REG_FIELD(S6_STATUS_OFF,  0,  7),
+	[LAST_TEMP_7]  = REG_FIELD(S7_STATUS_OFF,  0,  7),
+	[LAST_TEMP_8]  = REG_FIELD(S8_STATUS_OFF,  0,  7),
+	[LAST_TEMP_9]  = REG_FIELD(S9_STATUS_OFF,  0,  7),
+	[LAST_TEMP_10] = REG_FIELD(S10_STATUS_OFF, 0,  7),
+
+	/* No VALID field on 8960 */
+	/* TSENS_INT_STATUS bits: 1 == threshold violated */
+	[MIN_STATUS_0] = REG_FIELD(INT_STATUS_ADDR, 0, 0),
+	[LOWER_STATUS_0] = REG_FIELD(INT_STATUS_ADDR, 1, 1),
+	[UPPER_STATUS_0] = REG_FIELD(INT_STATUS_ADDR, 2, 2),
+	/* No CRITICAL field on 8960 */
+	[MAX_STATUS_0] = REG_FIELD(INT_STATUS_ADDR, 3, 3),
+
+	/* TRDY: 1=ready, 0=in progress */
+	[TRDY] = REG_FIELD(INT_STATUS_ADDR, 7, 7),
+};
+
 static const struct tsens_ops ops_8960 = {
 	.init		= init_8960,
 	.calibrate	= calibrate_8960,
@@ -282,4 +358,6 @@ static const struct tsens_ops ops_8960 = {
 struct tsens_plat_data data_8960 = {
 	.num_sensors	= 11,
 	.ops		= &ops_8960,
+	.feat		= &tsens_8960_feat,
+	.fields		= tsens_8960_regfields,
 };
-- 
2.29.2