linux-kernel - [PATCH v1 2/2] Input: pm8xxx-vib

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Date:   Mon, 17 Jul 2023 14:25:47 +0800
From:   Fenglin Wu <quic_fenglinw@...cinc.com>
To:     <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Andy Gross" <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Konrad Dybcio" <konrad.dybcio@...aro.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        <linux-input@...r.kernel.org>
CC:     <quic_collinsd@...cinc.com>, <quic_subbaram@...cinc.com>,
        <quic_fenglinw@...cinc.com>, <quic_kamalw@...cinc.com>,
        <jestar@....qualcomm.com>
Subject: [PATCH v1 2/2] Input: pm8xxx-vib - Add support for more PMICs

Add support for vibrator module inside PMI632, PM7250B, PM7325B and
PM7550BA. It is very similar to vibrator inside PM8xxx but just the
drive amplitude is controlled through 2 bytes registers.

Signed-off-by: Fenglin Wu <quic_fenglinw@...cinc.com>
---
 drivers/input/misc/pm8xxx-vibrator.c | 49 ++++++++++++++++++++++++++++
 1 file changed, 49 insertions(+)

diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c
index 04cb87efd799..c8185514e711 100644
--- a/drivers/input/misc/pm8xxx-vibrator.c
+++ b/drivers/input/misc/pm8xxx-vibrator.c
@@ -25,6 +25,9 @@ struct pm8xxx_regs {
 	unsigned int drv_addr;
 	unsigned int drv_mask;
 	unsigned int drv_shift;
+	unsigned int drv_addr2;
+	unsigned int drv_mask2;
+	unsigned int drv_shift2;
 	unsigned int drv_en_manual_mask;
 };
 
@@ -44,6 +47,42 @@ static struct pm8xxx_regs pm8916_regs = {
 	.drv_en_manual_mask = 0,
 };
 
+static struct pm8xxx_regs pmi632_regs = {
+	.enable_addr = 0x5746,
+	.enable_mask = BIT(7),
+	.drv_addr = 0x5740,
+	.drv_mask = 0xff,
+	.drv_shift = 0,
+	.drv_addr2 = 0x5741,
+	.drv_mask2 = 0x0f,
+	.drv_shift2 = 8,
+	.drv_en_manual_mask = 0,
+};
+
+static struct pm8xxx_regs pm7250b_regs = {
+	.enable_addr = 0x5346,
+	.enable_mask = BIT(7),
+	.drv_addr = 0x5340,
+	.drv_mask = 0xff,
+	.drv_shift = 0,
+	.drv_addr2 = 0x5341,
+	.drv_mask2 = 0x0f,
+	.drv_shift2 = 8,
+	.drv_en_manual_mask = 0,
+};
+
+static struct pm8xxx_regs pm7325b_regs = {
+	.enable_addr = 0xdf46,
+	.enable_mask = BIT(7),
+	.drv_addr = 0xdf40,
+	.drv_mask = 0xff,
+	.drv_shift = 0,
+	.drv_addr2 = 0xdf41,
+	.drv_mask2 = 0x0f,
+	.drv_shift2 = 8,
+	.drv_en_manual_mask = 0,
+};
+
 /**
  * struct pm8xxx_vib - structure to hold vibrator data
  * @vib_input_dev: input device supporting force feedback
@@ -87,6 +126,12 @@ static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on)
 		return rc;
 
 	vib->reg_vib_drv = val;
+	if (regs->drv_addr2 != 0 && on) {
+		val = (vib->level << regs->drv_shift2) & regs->drv_mask2;
+		rc = regmap_write(vib->regmap, regs->drv_addr2, val);
+		if (rc < 0)
+			return rc;
+	}
 
 	if (regs->enable_mask)
 		rc = regmap_update_bits(vib->regmap, regs->enable_addr,
@@ -242,6 +287,10 @@ static const struct of_device_id pm8xxx_vib_id_table[] = {
 	{ .compatible = "qcom,pm8058-vib", .data = &pm8058_regs },
 	{ .compatible = "qcom,pm8921-vib", .data = &pm8058_regs },
 	{ .compatible = "qcom,pm8916-vib", .data = &pm8916_regs },
+	{ .compatible = "qcom,pmi632-vib", .data = &pmi632_regs },
+	{ .compatible = "qcom,pm7250b-vib", .data = &pm7250b_regs },
+	{ .compatible = "qcom,pm7325b-vib", .data = &pm7325b_regs },
+	{ .compatible = "qcom,pm7550ba-vib", .data = &pm7325b_regs },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, pm8xxx_vib_id_table);
-- 
2.25.1