From patchwork Mon Aug 28 05:32:03 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fenglin Wu X-Patchwork-Id: 717799 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44E9CC83F13 for ; Mon, 28 Aug 2023 05:33:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229476AbjH1Fci (ORCPT ); Mon, 28 Aug 2023 01:32:38 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54660 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229460AbjH1Fcb (ORCPT ); Mon, 28 Aug 2023 01:32:31 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DE51092; Sun, 27 Aug 2023 22:32:28 -0700 (PDT) Received: from pps.filterd (m0279869.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 37S59PfM002650; Mon, 28 Aug 2023 05:32:25 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=w3H+w2i9i25VHAqCSTbXgTQgMD2PoTCIEA7OBbxNaTg=; b=jCTLeQKmFcbihelx6PLOgzuVXNDUxEKh7kJtM/Ne/AZa9rDPF/VNMJDQK9dIAAEeDaVZ E9Js99HVzQAo83J25pL41HcyEm2a2f9lh+5zBqXawII4BdCfMhwI76XWiw+HKUHWn92c o/F4EqRwRFbLw+kVuTSIEG61W4iwKO09kREyalqvgo9VAumceYc/K0Wv4MEdH1lJLHDZ T6ZQbOSL9shxXzM8leFJcltlt69WaFq7LZ/7SmAKxQOBdK7xqbpt46KgQpwAy3x5aco4 RXg4HkOF2INMegyJX9pLeGfi01uQYMy0lu1TE6ai8VWQLorn+oqZ08JDSoZCqK38jti8 Bw== Received: from nalasppmta01.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3sq8ddjnkk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 28 Aug 2023 05:32:25 +0000 Received: from nalasex01c.na.qualcomm.com (nalasex01c.na.qualcomm.com [10.47.97.35]) by NALASPPMTA01.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 37S5WOUh012384 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 28 Aug 2023 05:32:24 GMT Received: from fenglinw2-gv.qualcomm.com (10.80.80.8) by nalasex01c.na.qualcomm.com (10.47.97.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.30; Sun, 27 Aug 2023 22:32:20 -0700 From: Fenglin Wu To: , , , , , , , Konrad Dybcio , Dmitry Torokhov , CC: , , , , Subject: [RESEND PATCH v6 1/3] input: pm8xxx-vib: refactor to easily support new SPMI vibrator Date: Mon, 28 Aug 2023 13:32:03 +0800 Message-ID: <20230828053205.218950-2-quic_fenglinw@quicinc.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230828053205.218950-1-quic_fenglinw@quicinc.com> References: <20230828053205.218950-1-quic_fenglinw@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01c.na.qualcomm.com (10.47.97.35) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: aJq-37qCi5leoJhYTWpIErLk9JkiA4Vu X-Proofpoint-GUID: aJq-37qCi5leoJhYTWpIErLk9JkiA4Vu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-08-28_03,2023-08-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 bulkscore=0 lowpriorityscore=0 malwarescore=0 phishscore=0 suspectscore=0 mlxlogscore=999 impostorscore=0 mlxscore=0 clxscore=1011 spamscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2308280050 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org 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 | 122 ++++++++++++++++----------- 1 file changed, 73 insertions(+), 49 deletions(-) diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c index 04cb87efd799..d6b468324c77 100644 --- a/drivers/input/misc/pm8xxx-vibrator.c +++ b/drivers/input/misc/pm8xxx-vibrator.c @@ -12,36 +12,44 @@ #include #include +#define SSBL_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 = SSBL_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 +85,31 @@ 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 = SPMI_VIB_DRV_LEVEL_MASK; + u32 shift = SPMI_VIB_DRV_SHIFT; + + if (vib->data->hw_type == SSBI_VIB) { + mask = SSBI_VIB_DRV_LEVEL_MASK; + shift = SSBI_VIB_DRV_SHIFT; + } 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 +119,6 @@ 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 +178,9 @@ 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 +197,33 @@ 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 +263,9 @@ 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);