From patchwork Mon Nov 11 12:12:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Antoniu Miclaus X-Patchwork-Id: 13870666 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 D389719F43A; Mon, 11 Nov 2024 12:12:42 +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=1731327164; cv=none; b=nCM3DeBXxZ3vWkdzmVZ5FVmyi1RpadICyARYv8OMconvGofuZNwvVjfnTzCMnS09mlY/GcGWc8hmIDeQyJ+fhbW3uLXY3yWawXyVx/S0WspPwJwtNtFh0D8Wh1SFJPhN0i585mUevWYF9lWKT/w37d5UuLgBROj4/6mG5WueBjk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731327164; c=relaxed/simple; bh=hIH4g7vtbcaiO1ff16pbuv9V3C3QeYBWvvZrP5PKy/E=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=bbjXqCv9bnHaGcZxX8FWIbxGjf4n9dwYg+pRe+6aPlv0O/Fm+kDThjPpZW0hJG68Hy1FXeBOFD4Kzy0W1JFD1kznrgd1PHNpkjVYt6NNNI0d7gpc9xplO/7ymdNo8yplYBTFQYY8u35eVxC8xf6UZsy37b8Im3KMrCMYV74a9kA= 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=h0XllezJ; 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="h0XllezJ" 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 4AB9Lc3v010981; Mon, 11 Nov 2024 07:12:39 -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=6lHPq vVGQSfpDB/3mAV1lW7mSJFE+XaV0+QGim0bzW8=; b=h0XllezJ06dqsi983aF9j Nlgt1qD5c+2AeosV2XPsvhMbfXRgCLZG1EtH8O8OKGu3Rh6SSADKe9nueZGf0RdN c2gy9vkTCwbjXdkiVdivj5nRq6QFp0vcFOzuJl3ZNzqlHMgQwmjw35OOSchEv4UF 9a+U48cbQ8VGepgHLcdCTr4SZS0TXnzWtimEijYTQ99PG+QOSfEsHkYVhQqUivi+ nYJ5EyQ2jB/+9tO7cyUcnCgWzp10fR8Pk9HSutSDK1PTESoNy0mEAkRZ/UM3nXJN 9WXCftxLTcgAOBceHDsVqKdSI7zV2tv1vYNSlri1nx43FKf3tyI85Yp3PkOscllO A== Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 42t2f6ydwe-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 4ABCCbgx031082 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 11 Nov 2024 07:12:37 -0500 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) 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 ashbmbx9.ad.analog.com (10.64.17.10) 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 4ABCCFEO010000; Mon, 11 Nov 2024 07:12:29 -0500 From: Antoniu Miclaus To: , , , , , , , CC: Antoniu Miclaus Subject: [PATCH v6 5/8] iio: adc: adi-axi-adc: set data format Date: Mon, 11 Nov 2024 14:12:00 +0200 Message-ID: <20241111121203.3699-6-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-ORIG-GUID: opuzkDFlOqjSGolxDG6TW9RUqO8KNnIM X-Proofpoint-GUID: opuzkDFlOqjSGolxDG6TW9RUqO8KNnIM 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 clxscore=1015 priorityscore=1501 impostorscore=0 mlxscore=0 spamscore=0 mlxlogscore=999 bulkscore=0 lowpriorityscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411110101 Add support for selecting the data format within the AXI ADC ip. Signed-off-by: Antoniu Miclaus --- changes in v6: - use switch case - add macro definition for packet format mask and sizes drivers/iio/adc/adi-axi-adc.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index f6475bc93796..9bf967d5b730 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -45,6 +45,12 @@ #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 AD485X_CNTRL_3_CUSTOM_CTRL_PACKET_FORMAT_MSK GENMASK(1, 0) +#define AD485X_PACKET_FORMAT_20BIT 0x0 +#define AD485X_PACKET_FORMAT_24BIT 0x1 +#define AD485X_PACKET_FORMAT_32BIT 0x2 + #define ADI_AXI_ADC_REG_DRP_STATUS 0x0074 #define ADI_AXI_ADC_DRP_LOCKED BIT(17) @@ -312,6 +318,29 @@ static int axi_adc_interface_type_get(struct iio_backend *back, return 0; } +static int axi_adc_data_size_set(struct iio_backend *back, unsigned int size) +{ + struct adi_axi_adc_state *st = iio_backend_get_priv(back); + unsigned int val; + + switch (size) { + case 20: + val = AD485X_PACKET_FORMAT_20BIT; + break; + case 24: + val = AD485X_PACKET_FORMAT_24BIT; + break; + case 32: + val = AD485X_PACKET_FORMAT_32BIT; + break; + default: + return -EINVAL; + } + + return regmap_update_bits(st->regmap, ADI_AXI_ADC_REG_CNTRL_3, + AD485X_CNTRL_3_CUSTOM_CTRL_PACKET_FORMAT_MSK, val); +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -360,6 +389,7 @@ 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), };