From nobody Fri Dec 27 00:02:11 2024 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) (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 2E9C719E7D0; Fri, 29 Nov 2024 15:36:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=148.163.135.77 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732894585; cv=none; b=iIC5gnu+AfuMgYc1BXYhS3+2pZVq9Gk3xTwtGvDKFesh9r9N54qQw0ta1u0LTtyAD40AVYATDLJJlkz5O961tNQkVaRh9zkZDAxhjy/GKQbsMTjvevbVMtkiDF3TM2i6mAZo1OqJKmtJ3eVxexlpbVvF7ISSKGnoAih3hVkZySI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732894585; c=relaxed/simple; bh=6bHzNU5Cc8vo4RBFqXy7MlYas8XWIqB0djesH0SUplo=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=j0P5J0NRpt+sYxW4quhdzudNDeo9ZvCnc9/TjWlaBScxzZIjr5fsKU+zAOI/V977hJj6owUZ2fzpgou6ZiDfoLjB4vT/RyqglRbjZYg1nDQrq8k35nVHziMlDFKM4kMOuwMEu7FkHUeNWI6eTCDf4w57Mv+hY7jFglLc/vXdzqs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=analog.com; spf=pass smtp.mailfrom=analog.com; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b=iVFnlpFt; arc=none smtp.client-ip=148.163.135.77 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=analog.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=analog.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=analog.com header.i=@analog.com header.b="iVFnlpFt" Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4ATAFFXb015113; Fri, 29 Nov 2024 10:36:21 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=analog.com; h=cc :content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=DKIM; bh=Ywic7 f26Z1aeVsvkG03G0PbRob9Lr/+dVGtrNWZlNpU=; b=iVFnlpFtH3pYbPitV+Vyj 125jjxDH2ymDBVeiADm4oIq7khX4kF5JFA/KjEXftserOuQ3n+C152keKHTbP8CF jBvdukBxU3x3uwpOiSAUDQCyzgrMrp4sokhxjL7CsrEoV+q6iHw+pG5GoQSvaK76 evriTCDF9yAGUXLgEAarpx/IeYOBwZs2OtWnVvWDA1ruseSef2dCfrXVBuFoFOus vcxzhovjINZTuSMqXECJuC0XJ2F0PqoSnCKKeOaAOuT/RgcOPWkqnSQ9UJPZw31+ IIVoPtkq1uHp1qt975+gI8xAlQx1AxC95j/4qm0aqFP1ujXPEjDvQkJE2W27zm/8 g== Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 436716tmxv-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 29 Nov 2024 10:36:20 -0500 (EST) Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 4ATFaJUH008895 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 29 Nov 2024 10:36:19 -0500 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Fri, 29 Nov 2024 10:36:19 -0500 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Fri, 29 Nov 2024 10:36:19 -0500 Received: from amiclaus-VirtualBox.ad.analog.com (AMICLAUS-L02.ad.analog.com [10.48.65.161]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 4ATFa0m9001167; Fri, 29 Nov 2024 10:36:13 -0500 From: Antoniu Miclaus To: , , , , , , , CC: Antoniu Miclaus Subject: [PATCH v7 6/8] iio: adc: adi-axi-adc: add oversampling Date: Fri, 29 Nov 2024 17:35:44 +0200 Message-ID: <20241129153546.63584-7-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241129153546.63584-1-antoniu.miclaus@analog.com> References: <20241129153546.63584-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: 1gy318MqMJ6FK6GZSRVqonSsiLv47rvJ X-Proofpoint-ORIG-GUID: 1gy318MqMJ6FK6GZSRVqonSsiLv47rvJ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 mlxlogscore=880 adultscore=0 phishscore=0 mlxscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 impostorscore=0 suspectscore=0 malwarescore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2411120000 definitions=main-2411290127 Content-Type: text/plain; charset="utf-8" Add support for enabling/disabling oversampling. Signed-off-by: Antoniu Miclaus --- drivers/iio/adc/adi-axi-adc.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) changes in v7: - use regmap set/clear bits functions - use enable/disable functions diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index cb3b8299a65e..3128e2543e22 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -46,6 +46,7 @@ #define ADI_AXI_ADC_CTRL_DDR_EDGESEL_MASK BIT(1) =20 #define ADI_AXI_ADC_REG_CNTRL_3 0x004c +#define AD485X_CNTRL_3_CUSTOM_CTRL_OS_EN_MSK BIT(2) #define AD485X_CNTRL_3_CUSTOM_CTRL_PACKET_FORMAT_MSK GENMASK(1, 0) #define AD485X_PACKET_FORMAT_20BIT 0x0 #define AD485X_PACKET_FORMAT_24BIT 0x1 @@ -342,6 +343,22 @@ static int axi_adc_data_size_set(struct iio_backend *b= ack, unsigned int size) AD485X_CNTRL_3_CUSTOM_CTRL_PACKET_FORMAT_MSK, val); } =20 +static int axi_adc_oversampling_enable(struct iio_backend *back) +{ + struct adi_axi_adc_state *st =3D iio_backend_get_priv(back); + + return regmap_set_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AD485X_CNTRL_3_CUSTOM_CTRL_OS_EN_MSK); +} + +static int axi_adc_oversampling_disable(struct iio_backend *back) +{ + struct adi_axi_adc_state *st =3D iio_backend_get_priv(back); + + return regmap_clear_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AD485X_CNTRL_3_CUSTOM_CTRL_OS_EN_MSK); +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -391,6 +408,8 @@ static const struct iio_backend_ops adi_axi_adc_ops =3D= { .chan_status =3D axi_adc_chan_status, .interface_type_get =3D axi_adc_interface_type_get, .data_size_set =3D axi_adc_data_size_set, + .oversampling_enable =3D axi_adc_oversampling_enable, + .oversampling_disable =3D axi_adc_oversampling_disable, .debugfs_reg_access =3D iio_backend_debugfs_ptr(axi_adc_reg_access), .debugfs_print_chan_status =3D iio_backend_debugfs_ptr(axi_adc_debugfs_pr= int_chan_status), }; --=20 2.47.1