From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A2ED2C4332B for ; Sat, 21 Mar 2020 09:08:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 77D8820753 for ; Sat, 21 Mar 2020 09:08:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728201AbgCUJIu (ORCPT ); Sat, 21 Mar 2020 05:08:50 -0400 Received: from mx0a-00128a01.pphosted.com ([148.163.135.77]:26174 "EHLO mx0a-00128a01.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728040AbgCUJIu (ORCPT ); Sat, 21 Mar 2020 05:08:50 -0400 Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 02L97K0h021046; Sat, 21 Mar 2020 05:08:38 -0400 Received: from nwd2mta3.analog.com ([137.71.173.56]) by mx0a-00128a01.pphosted.com with ESMTP id 2ywfu501g6-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 21 Mar 2020 05:08:38 -0400 Received: from SCSQMBX10.ad.analog.com (scsqmbx10.ad.analog.com [10.77.17.5]) by nwd2mta3.analog.com (8.14.7/8.14.7) with ESMTP id 02L98ar2009402 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=FAIL); Sat, 21 Mar 2020 05:08:37 -0400 Received: from SCSQCASHYB7.ad.analog.com (10.77.17.133) by SCSQMBX10.ad.analog.com (10.77.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Sat, 21 Mar 2020 02:08:35 -0700 Received: from SCSQMBX11.ad.analog.com (10.77.17.10) by SCSQCASHYB7.ad.analog.com (10.77.17.133) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.1779.2; Sat, 21 Mar 2020 02:08:35 -0700 Received: from zeus.spd.analog.com (10.64.82.11) by SCSQMBX11.ad.analog.com (10.77.17.10) with Microsoft SMTP Server id 15.1.1779.2 via Frontend Transport; Sat, 21 Mar 2020 02:08:35 -0700 Received: from localhost.localdomain ([10.48.65.12]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 02L98VkT010119; Sat, 21 Mar 2020 05:08:32 -0400 From: Alexandru Ardelean To: , CC: , , Alexandru Ardelean Subject: [PATCH v2 2/5] iio: adc: ad7791: define/use own IIO channel macros Date: Sat, 21 Mar 2020 11:07:59 +0200 Message-ID: <20200321090802.11537-2-alexandru.ardelean@analog.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200321090802.11537-1-alexandru.ardelean@analog.com> References: <20200321090802.11537-1-alexandru.ardelean@analog.com> MIME-Version: 1.0 Content-Type: text/plain X-ADIRoutedOnPrem: True X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.645 definitions=2020-03-21_02:2020-03-20,2020-03-21 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 bulkscore=0 clxscore=1015 impostorscore=0 adultscore=0 malwarescore=0 priorityscore=1501 spamscore=0 suspectscore=0 phishscore=0 lowpriorityscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2003210053 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This driver seems to use most of the AD_SD_*_CHANNEL. This change will move them in the driver. The intent is that if a new part comes along which would require tweaks per IIO channel, these should be doable in the driver. Signed-off-by: Alexandru Ardelean --- drivers/iio/adc/ad7791.c | 62 +++++++++++++++++++++++++++++++++++----- 1 file changed, 55 insertions(+), 7 deletions(-) diff --git a/drivers/iio/adc/ad7791.c b/drivers/iio/adc/ad7791.c index abb239392631..ba22808507d0 100644 --- a/drivers/iio/adc/ad7791.c +++ b/drivers/iio/adc/ad7791.c @@ -64,25 +64,73 @@ #define AD7791_MODE_SEL_MASK (0x3 << 6) #define AD7791_MODE_SEL(x) ((x) << 6) +#define __AD7991_CHANNEL(_si, _channel1, _channel2, _address, _bits, \ + _storagebits, _shift, _extend_name, _type, _mask_all) \ + { \ + .type = (_type), \ + .differential = (_channel2 == -1 ? 0 : 1), \ + .indexed = 1, \ + .channel = (_channel1), \ + .channel2 = (_channel2), \ + .address = (_address), \ + .extend_name = (_extend_name), \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \ + BIT(IIO_CHAN_INFO_OFFSET), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ + .info_mask_shared_by_all = _mask_all, \ + .scan_index = (_si), \ + .scan_type = { \ + .sign = 'u', \ + .realbits = (_bits), \ + .storagebits = (_storagebits), \ + .shift = (_shift), \ + .endianness = IIO_BE, \ + }, \ + } + +#define AD7991_SHORTED_CHANNEL(_si, _channel, _address, _bits, \ + _storagebits, _shift) \ + __AD7991_CHANNEL(_si, _channel, _channel, _address, _bits, \ + _storagebits, _shift, "shorted", IIO_VOLTAGE, \ + BIT(IIO_CHAN_INFO_SAMP_FREQ)) + +#define AD7991_CHANNEL(_si, _channel, _address, _bits, \ + _storagebits, _shift) \ + __AD7991_CHANNEL(_si, _channel, -1, _address, _bits, \ + _storagebits, _shift, NULL, IIO_VOLTAGE, \ + BIT(IIO_CHAN_INFO_SAMP_FREQ)) + +#define AD7991_DIFF_CHANNEL(_si, _channel1, _channel2, _address, _bits, \ + _storagebits, _shift) \ + __AD7991_CHANNEL(_si, _channel1, _channel2, _address, _bits, \ + _storagebits, _shift, NULL, IIO_VOLTAGE, \ + BIT(IIO_CHAN_INFO_SAMP_FREQ)) + +#define AD7991_SUPPLY_CHANNEL(_si, _channel, _address, _bits, _storagebits, \ + _shift) \ + __AD7991_CHANNEL(_si, _channel, -1, _address, _bits, \ + _storagebits, _shift, "supply", IIO_VOLTAGE, \ + BIT(IIO_CHAN_INFO_SAMP_FREQ)) + #define DECLARE_AD7787_CHANNELS(name, bits, storagebits) \ const struct iio_chan_spec name[] = { \ - AD_SD_DIFF_CHANNEL(0, 0, 0, AD7791_CH_AIN1P_AIN1N, \ + AD7991_DIFF_CHANNEL(0, 0, 0, AD7791_CH_AIN1P_AIN1N, \ (bits), (storagebits), 0), \ - AD_SD_CHANNEL(1, 1, AD7791_CH_AIN2, (bits), (storagebits), 0), \ - AD_SD_SHORTED_CHANNEL(2, 0, AD7791_CH_AIN1N_AIN1N, \ + AD7991_CHANNEL(1, 1, AD7791_CH_AIN2, (bits), (storagebits), 0), \ + AD7991_SHORTED_CHANNEL(2, 0, AD7791_CH_AIN1N_AIN1N, \ (bits), (storagebits), 0), \ - AD_SD_SUPPLY_CHANNEL(3, 2, AD7791_CH_AVDD_MONITOR, \ + AD7991_SUPPLY_CHANNEL(3, 2, AD7791_CH_AVDD_MONITOR, \ (bits), (storagebits), 0), \ IIO_CHAN_SOFT_TIMESTAMP(4), \ } #define DECLARE_AD7791_CHANNELS(name, bits, storagebits) \ const struct iio_chan_spec name[] = { \ - AD_SD_DIFF_CHANNEL(0, 0, 0, AD7791_CH_AIN1P_AIN1N, \ + AD7991_DIFF_CHANNEL(0, 0, 0, AD7791_CH_AIN1P_AIN1N, \ (bits), (storagebits), 0), \ - AD_SD_SHORTED_CHANNEL(1, 0, AD7791_CH_AIN1N_AIN1N, \ + AD7991_SHORTED_CHANNEL(1, 0, AD7791_CH_AIN1N_AIN1N, \ (bits), (storagebits), 0), \ - AD_SD_SUPPLY_CHANNEL(2, 1, AD7791_CH_AVDD_MONITOR, \ + AD7991_SUPPLY_CHANNEL(2, 1, AD7791_CH_AVDD_MONITOR, \ (bits), (storagebits), 0), \ IIO_CHAN_SOFT_TIMESTAMP(3), \ } -- 2.17.1