[PATCH 6.16 141/142] thermal/drivers/mediatek/lvts_thermal: Add lvts commands and their sizes to driver data

2 Sep 2025

6.16-stable review patch.  If anyone has any objections, please let me know.
------------------
From: Mason Chang mason-cw.chang@mediatek.com
commit 6203a5e6fd090ed05f6d9b92e33bc7e7679a3dd6 upstream.
Add LVTS commands and their sizes to driver data in preparation for
adding different commands.
Signed-off-by: Mason Chang mason-cw.chang@mediatek.com
Link: https://lore.kernel.org/r/20250526102659.30225-3-mason-cw.chang@mediatek.com
Signed-off-by: Daniel Lezcano daniel.lezcano@linaro.org
Signed-off-by: Daniel Golle daniel@makrotopia.org
Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
---
 drivers/thermal/mediatek/lvts_thermal.c |   65 +++++++++++++++++++++++++-------
 1 file changed, 52 insertions(+), 13 deletions(-)

--- a/drivers/thermal/mediatek/lvts_thermal.c
+++ b/drivers/thermal/mediatek/lvts_thermal.c
@@ -96,17 +96,6 @@
#define LVTS_MINIMUM_THRESHOLD		20000
-static const u32 default_conn_cmds[] = { 0xC103FFFF, 0xC502FF55 };
-/*
- * Write device mask: 0xC1030000
- */
-static const u32 default_init_cmds[] = {
-	0xC1030E01, 0xC1030CFC, 0xC1030A8C, 0xC103098D, 0xC10308F1,
-	0xC10307A6, 0xC10306B8, 0xC1030500, 0xC1030420, 0xC1030300,
-	0xC1030030, 0xC10300F6, 0xC1030050, 0xC1030060, 0xC10300AC,
-	0xC10300FC, 0xC103009D, 0xC10300F1, 0xC10300E1
-};
-
 static int golden_temp = LVTS_GOLDEN_TEMP_DEFAULT;
 static int golden_temp_offset;
@@ -136,7 +125,11 @@ struct lvts_ctrl_data {
struct lvts_data {
    const struct lvts_ctrl_data *lvts_ctrl;
+	const u32 *conn_cmd;
+	const u32 *init_cmd;
    int num_lvts_ctrl;
+	int num_conn_cmd;
+	int num_init_cmd;
    int temp_factor;
    int temp_offset;
    int gt_calib_bit_offset;
@@ -996,9 +989,10 @@ static int lvts_ctrl_set_enable(struct l
static int lvts_ctrl_connect(struct device *dev, struct lvts_ctrl *lvts_ctrl)
 {
+	const struct lvts_data *lvts_data = lvts_ctrl->lvts_data;
    u32 id;
-	lvts_write_config(lvts_ctrl, default_conn_cmds, ARRAY_SIZE(default_conn_cmds));
+	lvts_write_config(lvts_ctrl, lvts_data->conn_cmd, lvts_data->num_conn_cmd);
/*
     * LVTS_ID : Get ID and status of the thermal controller
@@ -1017,7 +1011,9 @@ static int lvts_ctrl_connect(struct devi
static int lvts_ctrl_initialize(struct device *dev, struct lvts_ctrl *lvts_ctrl)
 {
-	lvts_write_config(lvts_ctrl, default_init_cmds, ARRAY_SIZE(default_init_cmds));
+	const struct lvts_data *lvts_data = lvts_ctrl->lvts_data;
+
+	lvts_write_config(lvts_ctrl, lvts_data->init_cmd, lvts_data->num_init_cmd);
return 0;
 }
@@ -1446,6 +1442,17 @@ static int lvts_resume(struct device *de
    return 0;
 }
+static const u32 default_conn_cmds[] = { 0xC103FFFF, 0xC502FF55 };
+/*
+ * Write device mask: 0xC1030000
+ */
+static const u32 default_init_cmds[] = {
+	0xC1030E01, 0xC1030CFC, 0xC1030A8C, 0xC103098D, 0xC10308F1,
+	0xC10307A6, 0xC10306B8, 0xC1030500, 0xC1030420, 0xC1030300,
+	0xC1030030, 0xC10300F6, 0xC1030050, 0xC1030060, 0xC10300AC,
+	0xC10300FC, 0xC103009D, 0xC10300F1, 0xC10300E1
+};
+
 /*
  * The MT8186 calibration data is stored as packed 3-byte little-endian
  * values using a weird layout that makes sense only when viewed as a 32-bit
@@ -1740,7 +1747,11 @@ static const struct lvts_ctrl_data mt819
static const struct lvts_data mt7988_lvts_ap_data = {
    .lvts_ctrl	= mt7988_lvts_ap_data_ctrl,
+	.conn_cmd	= default_conn_cmds,
+	.init_cmd	= default_init_cmds,
    .num_lvts_ctrl	= ARRAY_SIZE(mt7988_lvts_ap_data_ctrl),
+	.num_conn_cmd	= ARRAY_SIZE(default_conn_cmds),
+	.num_init_cmd	= ARRAY_SIZE(default_init_cmds),
    .temp_factor	= LVTS_COEFF_A_MT7988,
    .temp_offset	= LVTS_COEFF_B_MT7988,
    .gt_calib_bit_offset = 24,
@@ -1748,7 +1759,11 @@ static const struct lvts_data mt7988_lvt
static const struct lvts_data mt8186_lvts_data = {
    .lvts_ctrl	= mt8186_lvts_data_ctrl,
+	.conn_cmd	= default_conn_cmds,
+	.init_cmd	= default_init_cmds,
    .num_lvts_ctrl	= ARRAY_SIZE(mt8186_lvts_data_ctrl),
+	.num_conn_cmd	= ARRAY_SIZE(default_conn_cmds),
+	.num_init_cmd	= ARRAY_SIZE(default_init_cmds),
    .temp_factor	= LVTS_COEFF_A_MT7988,
    .temp_offset	= LVTS_COEFF_B_MT7988,
    .gt_calib_bit_offset = 24,
@@ -1757,7 +1772,11 @@ static const struct lvts_data mt8186_lvt
static const struct lvts_data mt8188_lvts_mcu_data = {
    .lvts_ctrl	= mt8188_lvts_mcu_data_ctrl,
+	.conn_cmd	= default_conn_cmds,
+	.init_cmd	= default_init_cmds,
    .num_lvts_ctrl	= ARRAY_SIZE(mt8188_lvts_mcu_data_ctrl),
+	.num_conn_cmd	= ARRAY_SIZE(default_conn_cmds),
+	.num_init_cmd	= ARRAY_SIZE(default_init_cmds),
    .temp_factor	= LVTS_COEFF_A_MT8195,
    .temp_offset	= LVTS_COEFF_B_MT8195,
    .gt_calib_bit_offset = 20,
@@ -1766,7 +1785,11 @@ static const struct lvts_data mt8188_lvt
static const struct lvts_data mt8188_lvts_ap_data = {
    .lvts_ctrl	= mt8188_lvts_ap_data_ctrl,
+	.conn_cmd	= default_conn_cmds,
+	.init_cmd	= default_init_cmds,
    .num_lvts_ctrl	= ARRAY_SIZE(mt8188_lvts_ap_data_ctrl),
+	.num_conn_cmd	= ARRAY_SIZE(default_conn_cmds),
+	.num_init_cmd	= ARRAY_SIZE(default_init_cmds),
    .temp_factor	= LVTS_COEFF_A_MT8195,
    .temp_offset	= LVTS_COEFF_B_MT8195,
    .gt_calib_bit_offset = 20,
@@ -1775,7 +1798,11 @@ static const struct lvts_data mt8188_lvt
static const struct lvts_data mt8192_lvts_mcu_data = {
    .lvts_ctrl	= mt8192_lvts_mcu_data_ctrl,
+	.conn_cmd	= default_conn_cmds,
+	.init_cmd	= default_init_cmds,
    .num_lvts_ctrl	= ARRAY_SIZE(mt8192_lvts_mcu_data_ctrl),
+	.num_conn_cmd	= ARRAY_SIZE(default_conn_cmds),
+	.num_init_cmd	= ARRAY_SIZE(default_init_cmds),
    .temp_factor	= LVTS_COEFF_A_MT8195,
    .temp_offset	= LVTS_COEFF_B_MT8195,
    .gt_calib_bit_offset = 24,
@@ -1784,7 +1811,11 @@ static const struct lvts_data mt8192_lvt
static const struct lvts_data mt8192_lvts_ap_data = {
    .lvts_ctrl	= mt8192_lvts_ap_data_ctrl,
+	.conn_cmd	= default_conn_cmds,
+	.init_cmd	= default_init_cmds,
    .num_lvts_ctrl	= ARRAY_SIZE(mt8192_lvts_ap_data_ctrl),
+	.num_conn_cmd	= ARRAY_SIZE(default_conn_cmds),
+	.num_init_cmd	= ARRAY_SIZE(default_init_cmds),
    .temp_factor	= LVTS_COEFF_A_MT8195,
    .temp_offset	= LVTS_COEFF_B_MT8195,
    .gt_calib_bit_offset = 24,
@@ -1793,7 +1824,11 @@ static const struct lvts_data mt8192_lvt
static const struct lvts_data mt8195_lvts_mcu_data = {
    .lvts_ctrl	= mt8195_lvts_mcu_data_ctrl,
+	.conn_cmd	= default_conn_cmds,
+	.init_cmd	= default_init_cmds,
    .num_lvts_ctrl	= ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl),
+	.num_conn_cmd	= ARRAY_SIZE(default_conn_cmds),
+	.num_init_cmd	= ARRAY_SIZE(default_init_cmds),
    .temp_factor	= LVTS_COEFF_A_MT8195,
    .temp_offset	= LVTS_COEFF_B_MT8195,
    .gt_calib_bit_offset = 24,
@@ -1802,7 +1837,11 @@ static const struct lvts_data mt8195_lvt
static const struct lvts_data mt8195_lvts_ap_data = {
    .lvts_ctrl	= mt8195_lvts_ap_data_ctrl,
+	.conn_cmd	= default_conn_cmds,
+	.init_cmd	= default_init_cmds,
    .num_lvts_ctrl	= ARRAY_SIZE(mt8195_lvts_ap_data_ctrl),
+	.num_conn_cmd	= ARRAY_SIZE(default_conn_cmds),
+	.num_init_cmd	= ARRAY_SIZE(default_init_cmds),
    .temp_factor	= LVTS_COEFF_A_MT8195,
    .temp_offset	= LVTS_COEFF_B_MT8195,
    .gt_calib_bit_offset = 24,

    

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[PATCH 6.16 141/142] thermal/drivers/mediatek/lvts_thermal: Add lvts commands and their sizes to driver data