From patchwork Wed Nov 8 07:36:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fenglin Wu via B4 Relay X-Patchwork-Id: 742264 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 26454D2EC; Wed, 8 Nov 2023 07:36:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="MRb5OnF/" Received: by smtp.kernel.org (Postfix) with ESMTPS id A4F27C433C7; Wed, 8 Nov 2023 07:36:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1699429015; bh=dxVytm8peBK9ARsrywTYF+uWNd63jD+cCHCJtDKnwR0=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=MRb5OnF/rIaR62N/HntngtVR4DBIlXEeY+6xnF5a+Ez0odd0oy8VjLqN5hT4cN5Lj NsgXz4mBVLh1wQ8eaU36+E4hJLiuoryEdtReWU6krVIkcwqJlsSWOqKOF2dqwzmyNU E4uWR8YtYoBy/5Tsej4E2gi40f7wvflVGYmLs49DFGeL2RrSca0WnyxTfTsPU3tpAx TliTaqRP7qiK7fINCtF39CjZF4U1zib1HH+m4jBkYKD+bN7MC9dBD39+cWVZrXIVXN 7mkv05HxgccOmQa5rmLQdKaJv5QJ7dp0BgWwryEd3UBxoS+pwXAy8a2u/L1mJIj9pD kxSNSSWWiHYsA== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 878F9C4167D; Wed, 8 Nov 2023 07:36:55 +0000 (UTC) From: Fenglin Wu via B4 Relay Date: Wed, 08 Nov 2023 15:36:34 +0800 Subject: [PATCH RESEND v7 1/3] input: pm8xxx-vib: refactor to easily support new SPMI vibrator Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231108-pm8xxx-vibrator-v7-1-632c731d25a8@quicinc.com> References: <20231108-pm8xxx-vibrator-v7-0-632c731d25a8@quicinc.com> In-Reply-To: <20231108-pm8xxx-vibrator-v7-0-632c731d25a8@quicinc.com> To: linux-arm-msm@vger.kernel.org, Andy Gross , Bjorn Andersson , Konrad Dybcio , Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, quic_collinsd@quicinc.com, quic_subbaram@quicinc.com, quic_kamalw@quicinc.com, jestar@qti.qualcomm.com, Luca Weiss , Fenglin Wu X-Mailer: b4 0.13-dev-83828 X-Developer-Signature: v=1; a=ed25519-sha256; t=1699429013; l=7094; i=quic_fenglinw@quicinc.com; s=20230725; h=from:subject:message-id; bh=edsISTWo4DvHUFy8IoGl7O/e9THyTA4/ImPMjWn8NI0=; b=hkDKypefUq+klm/0JECcc6GWRQiYu6w8IVzray3bryxv0cqVmJ+VAUU3gYObkOk33DhL1Mh1Q ERTo9cYrgVeABbJpQQ+yIzewSea41jwH1qWiN5m0bnc4IE9sqCUGOz+ X-Developer-Key: i=quic_fenglinw@quicinc.com; a=ed25519; pk=hleIDz3Unk1zeiwwOnZUjoQVMMelRancDFXg927lNjI= X-Endpoint-Received: by B4 Relay for quic_fenglinw@quicinc.com/20230725 with auth_id=68 X-Original-From: Fenglin Wu Reply-To: From: Fenglin Wu Currently, all vibrator control register addresses are hard coded, including the base address and the offset, it's not flexible to support new SPMI vibrator module which is usually included in different PMICs with different base address. Refactor this by defining register offset with HW type combination, and register base address which is defined in 'reg' property is added for SPMI vibrators. Signed-off-by: Fenglin Wu --- drivers/input/misc/pm8xxx-vibrator.c | 130 ++++++++++++++++++++++------------- 1 file changed, 81 insertions(+), 49 deletions(-) diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c index 04cb87efd799..ba9be374f892 100644 --- a/drivers/input/misc/pm8xxx-vibrator.c +++ b/drivers/input/misc/pm8xxx-vibrator.c @@ -12,36 +12,44 @@ #include #include +#define SSBI_VIB_DRV_REG 0x4A +#define SSBI_VIB_DRV_EN_MANUAL_MASK GENMASK(7, 2) +#define SSBI_VIB_DRV_LEVEL_MASK GENMASK(7, 3) +#define SSBI_VIB_DRV_SHIFT 3 + +#define SPMI_VIB_DRV_REG 0x41 +#define SPMI_VIB_DRV_LEVEL_MASK GENMASK(4, 0) +#define SPMI_VIB_DRV_SHIFT 0 + +#define SPMI_VIB_EN_REG 0x46 +#define SPMI_VIB_EN_BIT BIT(7) + #define VIB_MAX_LEVEL_mV (3100) #define VIB_MIN_LEVEL_mV (1200) #define VIB_MAX_LEVELS (VIB_MAX_LEVEL_mV - VIB_MIN_LEVEL_mV) #define MAX_FF_SPEED 0xff -struct pm8xxx_regs { - unsigned int enable_addr; - unsigned int enable_mask; +enum vib_hw_type { + SSBI_VIB, + SPMI_VIB, +}; - unsigned int drv_addr; - unsigned int drv_mask; - unsigned int drv_shift; - unsigned int drv_en_manual_mask; +struct pm8xxx_vib_data { + enum vib_hw_type hw_type; + unsigned int enable_addr; + unsigned int drv_addr; }; -static const struct pm8xxx_regs pm8058_regs = { - .drv_addr = 0x4A, - .drv_mask = 0xf8, - .drv_shift = 3, - .drv_en_manual_mask = 0xfc, +static const struct pm8xxx_vib_data ssbi_vib_data = { + .hw_type = SSBI_VIB, + .drv_addr = SSBI_VIB_DRV_REG, }; -static struct pm8xxx_regs pm8916_regs = { - .enable_addr = 0xc046, - .enable_mask = BIT(7), - .drv_addr = 0xc041, - .drv_mask = 0x1F, - .drv_shift = 0, - .drv_en_manual_mask = 0, +static const struct pm8xxx_vib_data spmi_vib_data = { + .hw_type = SPMI_VIB, + .enable_addr = SPMI_VIB_EN_REG, + .drv_addr = SPMI_VIB_DRV_REG, }; /** @@ -49,7 +57,8 @@ static struct pm8xxx_regs pm8916_regs = { * @vib_input_dev: input device supporting force feedback * @work: work structure to set the vibration parameters * @regmap: regmap for register read/write - * @regs: registers' info + * @data: vibrator HW info + * @reg_base: the register base of the module * @speed: speed of vibration set from userland * @active: state of vibrator * @level: level of vibration to set in the chip @@ -59,7 +68,8 @@ struct pm8xxx_vib { struct input_dev *vib_input_dev; struct work_struct work; struct regmap *regmap; - const struct pm8xxx_regs *regs; + const struct pm8xxx_vib_data *data; + unsigned int reg_base; int speed; int level; bool active; @@ -75,24 +85,39 @@ static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on) { int rc; unsigned int val = vib->reg_vib_drv; - const struct pm8xxx_regs *regs = vib->regs; + u32 mask, shift; + + switch (vib->data->hw_type) { + case SSBI_VIB: + mask = SSBI_VIB_DRV_LEVEL_MASK; + shift = SSBI_VIB_DRV_SHIFT; + break; + case SPMI_VIB: + mask = SPMI_VIB_DRV_LEVEL_MASK; + shift = SPMI_VIB_DRV_SHIFT; + break; + default: + return -EINVAL; + + } if (on) - val |= (vib->level << regs->drv_shift) & regs->drv_mask; + val |= (vib->level << shift) & mask; else - val &= ~regs->drv_mask; + val &= ~mask; - rc = regmap_write(vib->regmap, regs->drv_addr, val); + rc = regmap_update_bits(vib->regmap, vib->reg_base + vib->data->drv_addr, mask, val); if (rc < 0) return rc; vib->reg_vib_drv = val; - if (regs->enable_mask) - rc = regmap_update_bits(vib->regmap, regs->enable_addr, - regs->enable_mask, on ? ~0 : 0); + if (vib->data->hw_type == SSBI_VIB) + return 0; - return rc; + mask = SPMI_VIB_EN_BIT; + val = on ? SPMI_VIB_EN_BIT : 0; + return regmap_update_bits(vib->regmap, vib->reg_base + vib->data->enable_addr, mask, val); } /** @@ -102,13 +127,6 @@ static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on) static void pm8xxx_work_handler(struct work_struct *work) { struct pm8xxx_vib *vib = container_of(work, struct pm8xxx_vib, work); - const struct pm8xxx_regs *regs = vib->regs; - int rc; - unsigned int val; - - rc = regmap_read(vib->regmap, regs->drv_addr, &val); - if (rc < 0) - return; /* * pmic vibrator supports voltage ranges from 1.2 to 3.1V, so @@ -168,9 +186,9 @@ static int pm8xxx_vib_probe(struct platform_device *pdev) { struct pm8xxx_vib *vib; struct input_dev *input_dev; + const struct pm8xxx_vib_data *data; int error; - unsigned int val; - const struct pm8xxx_regs *regs; + unsigned int val, reg_base; vib = devm_kzalloc(&pdev->dev, sizeof(*vib), GFP_KERNEL); if (!vib) @@ -187,19 +205,33 @@ static int pm8xxx_vib_probe(struct platform_device *pdev) INIT_WORK(&vib->work, pm8xxx_work_handler); vib->vib_input_dev = input_dev; - regs = of_device_get_match_data(&pdev->dev); + data = of_device_get_match_data(&pdev->dev); + if (!data) + return -EINVAL; - /* operate in manual mode */ - error = regmap_read(vib->regmap, regs->drv_addr, &val); - if (error < 0) - return error; + if (data->hw_type != SSBI_VIB) { + error = fwnode_property_read_u32(pdev->dev.fwnode, "reg", ®_base); + if (error < 0) { + dev_err(&pdev->dev, "Failed to read reg address, rc=%d\n", error); + return error; + } + + vib->reg_base += reg_base; + } - val &= regs->drv_en_manual_mask; - error = regmap_write(vib->regmap, regs->drv_addr, val); + error = regmap_read(vib->regmap, vib->reg_base + data->drv_addr, &val); if (error < 0) return error; - vib->regs = regs; + /* operate in manual mode */ + if (data->hw_type == SSBI_VIB) { + val &= SSBI_VIB_DRV_EN_MANUAL_MASK; + error = regmap_write(vib->regmap, vib->reg_base + data->drv_addr, val); + if (error < 0) + return error; + } + + vib->data = data; vib->reg_vib_drv = val; input_dev->name = "pm8xxx_vib_ffmemless"; @@ -239,9 +271,9 @@ static int pm8xxx_vib_suspend(struct device *dev) static DEFINE_SIMPLE_DEV_PM_OPS(pm8xxx_vib_pm_ops, pm8xxx_vib_suspend, NULL); 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,pm8058-vib", .data = &ssbi_vib_data }, + { .compatible = "qcom,pm8921-vib", .data = &ssbi_vib_data }, + { .compatible = "qcom,pm8916-vib", .data = &spmi_vib_data }, { } }; MODULE_DEVICE_TABLE(of, pm8xxx_vib_id_table);