From patchwork Mon Nov 11 12:12:01 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Miclaus, Antoniu" X-Patchwork-Id: 13870665 Received: from mx0b-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 D8B1119F12D; Mon, 11 Nov 2024 12:12:41 +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=1731327163; cv=none; b=f2HKaECVuuj6aBXB2BIQ0h42VASe4DreOcRj65UMJtGs/EFmp11ZsKcreaD2ycQEQ7Omn74HPN4odBQLCgDOLFAgM4UHR7kLrlyHliRmluiP+O8G4PcEOJn8SiWcJZo+4tK9lJuDhRRF1suLV2h/gNpue6WY58mw33WMR+rYrK4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731327163; c=relaxed/simple; bh=fLZjrNaTIYZVsUmtPfs8DwImN04Txk1WsLpYf0mcL2E=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=WZnUCDhtpXd0FympqsuDUxCKkuM3rbTtWJ5Pj38coWouqhfW3Gi3YGezeZ0bp7QFgEF5B/i2+qVa+Rfw2BTbGAk05yKgdcpqkaGZi+FV80GBK53fSVyLJ7ZYu+JhVW4Oj9E+LmkHWFJftYAYdQU8L/hMXlcb7htV4GW/mWwIjtc= 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=NQGrkyDN; 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="NQGrkyDN" Received: from pps.filterd (m0375855.ppops.net [127.0.0.1]) by mx0b-00128a01.pphosted.com (8.18.1.2/8.18.1.2) with ESMTP id 4AB8p5gQ016099; Mon, 11 Nov 2024 07:12:38 -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=TCzo+ x0OnaD9BW87pMVQ4v+Ooeo1I+N7yzKigZyq33A=; b=NQGrkyDN93ExV6rV9y+TQ yF1gpMFqXW34m21pimhBxvSLWho0cJns9OJu/ofLxFQrMcP3Uym+tzamLasuyE/z 8dOeakc21qA/Bb4XVhmIAOVnd1vgaFbpXj2dmyorFopQ8nMRdTAgqhVdFXCPSTW+ aPTvHcBEN3mVdtYyxo4qZu4prqgT865U7DbPUvJq+OIV3l8IKp1+oySJ9+I4rnVJ 1djunZdWVsxMy2SjvuQni+jt4/nGdBjbIbeJ750THuIJ+sZ5GSokkjQlPoucCZV/ 8U9vV9azndwIXX56Pe7A/bsyovO8pN3c2dPLm4ed16nWg3ugr4R8Tih3AUwxe7MJ A== Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0b-00128a01.pphosted.com (PPS) with ESMTPS id 42uesdgra3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 11 Nov 2024 07:12:38 -0500 (EST) Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 4ABCCbNn031079 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 11 Nov 2024 07:12:37 -0500 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 11 Nov 2024 07:12:37 -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; Mon, 11 Nov 2024 07:12:37 -0500 Received: from amiclaus-VirtualBox.ad.analog.com ([10.65.36.213]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 4ABCCFEP010000; Mon, 11 Nov 2024 07:12:30 -0500 From: Antoniu Miclaus To: , , , , , , , CC: Antoniu Miclaus Subject: [PATCH v6 6/8] iio: adc: adi-axi-adc: add oversampling Date: Mon, 11 Nov 2024 14:12:01 +0200 Message-ID: <20241111121203.3699-7-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241111121203.3699-1-antoniu.miclaus@analog.com> References: <20241111121203.3699-1-antoniu.miclaus@analog.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: CZ2esuXUShs2XQpPiI7bQM1I6NKkTyvx X-Proofpoint-ORIG-GUID: CZ2esuXUShs2XQpPiI7bQM1I6NKkTyvx 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 impostorscore=0 bulkscore=0 malwarescore=0 priorityscore=1501 phishscore=0 adultscore=0 clxscore=1015 mlxlogscore=863 lowpriorityscore=0 suspectscore=0 spamscore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411110101 Add support for enabling/disabling oversampling. Signed-off-by: Antoniu Miclaus --- changes in v6: - add support for oversampling enable/disable. drivers/iio/adc/adi-axi-adc.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index 9bf967d5b730..8ec668f59c88 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) #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 @@ -341,6 +342,14 @@ static int axi_adc_data_size_set(struct iio_backend *back, unsigned int size) AD485X_CNTRL_3_CUSTOM_CTRL_PACKET_FORMAT_MSK, val); } +static int axi_adc_oversampling_en(struct iio_backend *back, bool en) +{ + struct adi_axi_adc_state *st = iio_backend_get_priv(back); + + return regmap_update_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AD485X_CNTRL_3_CUSTOM_CTRL_OS_EN_MSK, en); +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -390,6 +399,7 @@ static const struct iio_backend_ops adi_axi_adc_ops = { .chan_status = axi_adc_chan_status, .interface_type_get = axi_adc_interface_type_get, .data_size_set = axi_adc_data_size_set, + .oversampling_en = axi_adc_oversampling_en, .debugfs_reg_access = iio_backend_debugfs_ptr(axi_adc_reg_access), .debugfs_print_chan_status = iio_backend_debugfs_ptr(axi_adc_debugfs_print_chan_status), };