From patchwork Thu Apr 11 08:31:00 2024 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: 788367 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 856A3146A89; Thu, 11 Apr 2024 08:32:07 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712824327; cv=none; b=OT7cChLBKZlyUE4g4zVWN3Fc34eUOttyIaHvse9Q6SbNZsyjApvWgz3GiFJ1eZ75WxIknexKZfFrmfXR2cCmqOSCFzDBZhTtuohu3si2V14tnQg9hwe8YvbLih8i7sEOyaSGWZW182EP+sl09hvp04zQ0lATV9/rUkAtrEyhgtU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712824327; c=relaxed/simple; bh=t0BFVQH3c9KhLWbAWpY27qKlp18EmcbQmBMeJCcdds8=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=NjcQtc9HXo0zrKeJmqA98wt+NYEgP5sJpiOFVa9cSvlM4n6VYv32VpETtOTibpQfyxY9ZQUGyqteNJdKL5SK3AWX5CP/PYuxnlfoDGeMcO72LVdGuXGkA6egFVFDs58YN6PS3bP/RwFXf3T3ZNFkKKg2JaD4Ua1c7IIu9dZtf38= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rMmMevMo; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="rMmMevMo" Received: by smtp.kernel.org (Postfix) with ESMTPS id 0EC5EC43143; Thu, 11 Apr 2024 08:32:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712824327; bh=t0BFVQH3c9KhLWbAWpY27qKlp18EmcbQmBMeJCcdds8=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=rMmMevMoH0eC3QDGUSgOXDZhUZVPpHPAo3mpIl+uqvsxIkZ4gGjkvvk74OLdzibYa 9YELC7frhPh3b7VVwA/JEEJNgUGRvnMxLuZIQcak8PWK6twlw/A959wYPZxrMxMBJr +92CQ5hOB75TYajF20u3k1sn8kOE4nVytlkXqk1mbqk3RS6Oy/MK4ibGOw+kNL6zgG k9HS8WoSnXf7nSypO1HAQRQO4JlItCoSs7vTXvY1tp5jGoOjCgcEE4d2etffAVzFng DlulDaMKxXSzKwzUaSgudrmiH9GQ1GOOl2C/IRdI+dNbNayOssDiYgrJGWs2dlxEuA fDG4JS0n+LgTQ== 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 0729ECD129D; Thu, 11 Apr 2024 08:32:07 +0000 (UTC) From: Fenglin Wu via B4 Relay Date: Thu, 11 Apr 2024 16:31:00 +0800 Subject: [PATCH v9 4/4] input: pm8xxx-vibrator: add new SPMI vibrator support Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240411-pm8xxx-vibrator-new-design-v9-4-7bf56cb92b28@quicinc.com> References: <20240411-pm8xxx-vibrator-new-design-v9-0-7bf56cb92b28@quicinc.com> In-Reply-To: <20240411-pm8xxx-vibrator-new-design-v9-0-7bf56cb92b28@quicinc.com> To: kernel@quicinc.com, Andy Gross , Bjorn Andersson , Konrad Dybcio , Dmitry Torokhov , Rob Herring , Krzysztof Kozlowski , Dmitry Baryshkov Cc: linux-arm-msm@vger.kernel.org, linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Fenglin Wu X-Mailer: b4 0.13-dev-83828 X-Developer-Signature: v=1; a=ed25519-sha256; t=1712824325; l=5033; i=quic_fenglinw@quicinc.com; s=20240327; h=from:subject:message-id; bh=pTrC3cQoxz8pNZ4KpoF3OkEKSt7RYrt88MbWTTuCxL8=; b=TIEmWRFBPPnL83zharf5f0HHXbluRZMLc0eHt4/Lk+TBjGNhrYdxoj/1mo83UJyaUdCFlnWZa OahhOq+XR31DswuGEuPgOZCz8ovvvyM3c56rs3R4g2B/TiYXJ2Ww60s X-Developer-Key: i=quic_fenglinw@quicinc.com; a=ed25519; pk=BF8SA4IVDk8/EBCwlBehKtn2hp6kipuuAuDAHh9s+K4= X-Endpoint-Received: by B4 Relay for quic_fenglinw@quicinc.com/20240327 with auth_id=146 X-Original-From: Fenglin Wu Reply-To: quic_fenglinw@quicinc.com From: Fenglin Wu Add support for a new SPMI vibrator module which is very similar to the vibrator module inside PM8916 but has a finer drive voltage step and different output voltage range, its drive level control is expanded across 2 registers. The vibrator module can be found in following Qualcomm PMICs: PMI632, PM7250B, PM7325B, PM7550BA. Signed-off-by: Fenglin Wu --- drivers/input/misc/pm8xxx-vibrator.c | 51 +++++++++++++++++++++++++++++------- 1 file changed, 42 insertions(+), 9 deletions(-) diff --git a/drivers/input/misc/pm8xxx-vibrator.c b/drivers/input/misc/pm8xxx-vibrator.c index 2959edca8eb9..35bb6f450fd2 100644 --- a/drivers/input/misc/pm8xxx-vibrator.c +++ b/drivers/input/misc/pm8xxx-vibrator.c @@ -12,10 +12,10 @@ #include #include -#define VIB_MAX_LEVEL_mV (3100) -#define VIB_MIN_LEVEL_mV (1200) -#define VIB_PER_STEP_mV (100) -#define VIB_MAX_LEVELS (VIB_MAX_LEVEL_mV - VIB_MIN_LEVEL_mV + VIB_PER_STEP_mV) +#define VIB_MAX_LEVEL_mV(vib) (vib->drv2_addr ? 3544 : 3100) +#define VIB_MIN_LEVEL_mV(vib) (vib->drv2_addr ? 1504 : 1200) +#define VIB_PER_STEP_mV(vib) (vib->drv2_addr ? 8 : 100) +#define VIB_MAX_LEVELS(vib) (VIB_MAX_LEVEL_mV(vib) - VIB_MIN_LEVEL_mV(vib) + VIB_PER_STEP_mV(vib)) #define MAX_FF_SPEED 0xff @@ -26,6 +26,9 @@ struct pm8xxx_regs { unsigned int drv_offset; unsigned int drv_mask; unsigned int drv_shift; + unsigned int drv2_offset; + unsigned int drv2_mask; + unsigned int drv2_shift; unsigned int drv_en_manual_mask; }; @@ -45,6 +48,18 @@ static struct pm8xxx_regs pm8916_regs = { .drv_en_manual_mask = 0, }; +static struct pm8xxx_regs pmi632_regs = { + .enable_offset = 0x46, + .enable_mask = BIT(7), + .drv_offset = 0x40, + .drv_mask = GENMASK(7, 0), + .drv_shift = 0, + .drv2_offset = 0x41, + .drv2_mask = GENMASK(3, 0), + .drv2_shift = 8, + .drv_en_manual_mask = 0, +}; + /** * struct pm8xxx_vib - structure to hold vibrator data * @vib_input_dev: input device supporting force feedback @@ -53,6 +68,7 @@ static struct pm8xxx_regs pm8916_regs = { * @regs: registers' info * @enable_addr: vibrator enable register * @drv_addr: vibrator drive strength register + * @drv2_addr: vibrator drive strength upper byte register * @speed: speed of vibration set from userland * @active: state of vibrator * @level: level of vibration to set in the chip @@ -65,6 +81,7 @@ struct pm8xxx_vib { const struct pm8xxx_regs *regs; unsigned int enable_addr; unsigned int drv_addr; + unsigned int drv2_addr; int speed; int level; bool active; @@ -82,6 +99,10 @@ static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on) unsigned int val = vib->reg_vib_drv; const struct pm8xxx_regs *regs = vib->regs; + /* vibrator without drv2_addr needs be programmed in step increments */ + if (!vib->drv2_addr) + vib->level /= VIB_PER_STEP_mV(vib); + if (on) val |= (vib->level << regs->drv_shift) & regs->drv_mask; else @@ -93,6 +114,17 @@ static int pm8xxx_vib_set(struct pm8xxx_vib *vib, bool on) vib->reg_vib_drv = val; + if (regs->drv2_mask) { + if (on) + val = (vib->level << regs->drv2_shift) & regs->drv2_mask; + else + val = 0; + + rc = regmap_write_bits(vib->regmap, vib->drv2_addr, regs->drv2_mask, val); + if (rc < 0) + return rc; + } + if (regs->enable_mask) rc = regmap_update_bits(vib->regmap, vib->enable_addr, regs->enable_mask, on ? regs->enable_mask : 0); @@ -115,17 +147,16 @@ static void pm8xxx_work_handler(struct work_struct *work) return; /* - * pmic vibrator supports voltage ranges from 1.2 to 3.1V, so + * pmic vibrator supports voltage ranges from MIN_LEVEL to MAX_LEVEL, so * scale the level to fit into these ranges. */ if (vib->speed) { vib->active = true; - vib->level = ((VIB_MAX_LEVELS * vib->speed) / MAX_FF_SPEED) + - VIB_MIN_LEVEL_mV; - vib->level /= VIB_PER_STEP_mV; + vib->level = VIB_MIN_LEVEL_mV(vib); + vib->level += mult_frac(VIB_MAX_LEVELS(vib), vib->speed, MAX_FF_SPEED); } else { vib->active = false; - vib->level = VIB_MIN_LEVEL_mV / VIB_PER_STEP_mV; + vib->level = VIB_MIN_LEVEL_mV(vib); } pm8xxx_vib_set(vib, vib->active); @@ -203,6 +234,7 @@ static int pm8xxx_vib_probe(struct platform_device *pdev) vib->enable_addr = reg_base + regs->enable_offset; vib->drv_addr = reg_base + regs->drv_offset; + vib->drv2_addr = reg_base + regs->drv2_offset; /* operate in manual mode */ error = regmap_read(vib->regmap, vib->drv_addr, &val); @@ -257,6 +289,7 @@ 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 }, { } }; MODULE_DEVICE_TABLE(of, pm8xxx_vib_id_table);