From patchwork Fri Nov 1 11:23:56 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antoniu Miclaus X-Patchwork-Id: 13859245 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 1C76F19923A; Fri, 1 Nov 2024 11:24:44 +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=1730460287; cv=none; b=jgTrdc7WDjw0DozEf1Dsd3Y9V5+gTdlnayO9qowhjz+tQVNJPX1j9sZ6a9doYwDFjUdpD7JiYRFHo6lrY2k43SFSLqHyUYrW3dE6QnY7VrI1LoAHt6/6RpRWu78QCi9xEZrAhTPlqToI4GGBQviKgIECaVyDzVLVbF9geFKLoyk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1730460287; c=relaxed/simple; bh=W9hwjDIneb6GS2guLgwj8fRVfCtsrCar5ddiaI2lUIY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=EJNz2riA+YbTN26/xMKjhpCG1t8hFN1w9cK67EveTFHyWEsZc2EOczOSM/cgQGPpn4Y5Zvy8jNpoD6GlwKyzsYumjUyPIxVXGjvXIXh7+BRdFv7F3mOqbpsmXtbhaZgj0UXM1Swu50JnV6qIl/kzrcBOU63jvh35cHxJcF6h0TQ= 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=fSpEtmhu; 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="fSpEtmhu" 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 4A1BIBj2006064; Fri, 1 Nov 2024 07:24:41 -0400 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=J5Vp2 lLjyE7GbZEbqi4YGXeEzJ8aWFnZ+WWy+FzM5e4=; b=fSpEtmhuDstFBY1uOhX+M xBgti4ekV+3jU3afgMN5yLDlnNle9vM/hcJo/TlyRSD4FpvR/k+0fN6ZMFFQQAhP a+EHXS5qbT6jYvVvyJ2azaYExhfZipa2J40cd4saUWc6g4z5nS2eUE2a1lsvW1oy OsF2JUdR+TT3XERFXzxbQnkvNN+W3eZPsu5PRmY7FyYWWpHGNWDVN2EYjs886vlH TkoTv9M+DMueEfUw5LXOIAsAZXl14f1urYbnGeWC52TXj+uf+4imUDrDEtgRDv4V JOXFnQwTnlCEqI+DDiADL2nCx3ornu26hx5gmvn0+2irFdcjZyqJzNdKv4lOn6/g Q== Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 42k6yveu1c-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 01 Nov 2024 07:24:41 -0400 (EDT) Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 4A1BOegK038447 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 1 Nov 2024 07:24:40 -0400 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; Fri, 1 Nov 2024 07:24:40 -0400 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, 1 Nov 2024 07:24:39 -0400 Received: from amiclaus-VirtualBox.ad.analog.com (AMICLAUS-L02.ad.analog.com [10.48.65.114]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 4A1BOP8m016631; Fri, 1 Nov 2024 07:24:34 -0400 From: Antoniu Miclaus To: , , , , , , CC: Antoniu Miclaus Subject: [PATCH v5 4/6] iio: adc: adi-axi-adc: set data format Date: Fri, 1 Nov 2024 13:23:56 +0200 Message-ID: <20241101112358.22996-5-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241101112358.22996-1-antoniu.miclaus@analog.com> References: <20241101112358.22996-1-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-ORIG-GUID: Yo3F4Z0KUozWP8hEF6adziUNQRsv0AIC X-Proofpoint-GUID: Yo3F4Z0KUozWP8hEF6adziUNQRsv0AIC 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 spamscore=0 mlxlogscore=999 lowpriorityscore=0 clxscore=1015 suspectscore=0 bulkscore=0 priorityscore=1501 mlxscore=0 malwarescore=0 phishscore=0 impostorscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411010082 Add support for selecting the data format within the AXI ADC ip. Signed-off-by: Antoniu Miclaus --- no changes in v5. drivers/iio/adc/adi-axi-adc.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index f6475bc93796..6f658d9b4c9d 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -45,6 +45,9 @@ #define ADI_AXI_ADC_REG_CTRL 0x0044 #define ADI_AXI_ADC_CTRL_DDR_EDGESEL_MASK BIT(1) +#define ADI_AXI_ADC_REG_CNTRL_3 0x004c +#define ADI_AXI_ADC_CNTRL_3_CUSTOM_CTRL_MSK GENMASK(7, 0) + #define ADI_AXI_ADC_REG_DRP_STATUS 0x0074 #define ADI_AXI_ADC_DRP_LOCKED BIT(17) @@ -312,6 +315,24 @@ static int axi_adc_interface_type_get(struct iio_backend *back, return 0; } +static int axi_adc_data_size_set(struct iio_backend *back, ssize_t size) +{ + struct adi_axi_adc_state *st = iio_backend_get_priv(back); + unsigned int val; + + if (size <= 20) + val = 0; + else if (size <= 24) + val = 1; + else if (size <= 32) + val = 3; + else + return -EINVAL; + + return regmap_update_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + ADI_AXI_ADC_CNTRL_3_CUSTOM_CONTROL_MSK, val); +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -360,6 +381,7 @@ static const struct iio_backend_ops adi_axi_adc_ops = { .test_pattern_set = axi_adc_test_pattern_set, .chan_status = axi_adc_chan_status, .interface_type_get = axi_adc_interface_type_get, + .data_size_set = axi_adc_data_size_set, .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), };