From patchwork Mon Sep 2 10:36:24 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexandru Ardelean X-Patchwork-Id: 13787014 Received: from mail-lj1-f171.google.com (mail-lj1-f171.google.com [209.85.208.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9450E143738 for ; Mon, 2 Sep 2024 10:36:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725273420; cv=none; b=iXHRnvKqkww5LR0gzvlY6wTfPRxCCun+SlJGP63VebDtSDL0e9a5p0IUBih7/OPuXKF70M8Ckm/ALLfmn1p0fJ6r3s/cIS5KzhpB48JbOxdaaNDkOjVU0VEtYRwX/6q0cSc+Qw0hG4cqxYsnwoQ0ovP2SO6WyM+fIvgAeVzAT1A= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1725273420; c=relaxed/simple; bh=m+JDUAFze61TKUmqgjZi4kJQBJPi7r7Nl0ZvyJY2pOo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Y9WICk84wEte5aU4xE+NEbEwbyE+GurOpdOJznXMeUpfpL3W0oUz29poxg5yf/Ff8TbAcpJMRxkKat1eLf5b1K7mhUTXi8XIAdXIv8fmNoBrc8GHZA4cyXyF3/HN2vPHhKf3ncIy79X819/uLy9TXG9/ACEmynWGQNEc/efCUVs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com; spf=pass smtp.mailfrom=baylibre.com; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b=Bwyesxb4; arc=none smtp.client-ip=209.85.208.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=baylibre.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=baylibre-com.20230601.gappssmtp.com header.i=@baylibre-com.20230601.gappssmtp.com header.b="Bwyesxb4" Received: by mail-lj1-f171.google.com with SMTP id 38308e7fff4ca-2f406034874so47860401fa.1 for ; Mon, 02 Sep 2024 03:36:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20230601.gappssmtp.com; s=20230601; t=1725273414; x=1725878214; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=zwFKX15TuB+lP2XuqgSDKuPw5N2dTeJWzE8YjtBx2Ck=; b=Bwyesxb4nbMWqlDxpV7LXaE1K0zxEAuhmSJyoz2jsdf6ad2EM9auzCLfLgZcTfVIDx SYA+97ey8x2s1QxV/XF/jvZbvzxHdrHTa6jIBlKqs+8YksER1GQpBqTv68VUyzIX+RjH i5oTI9RADELs0bZK5kGDR85OA/DiRzfAcQk7yGLVGAGz6YVkI4ivlNZtNEnHsNSZJJwl 7EOeMOLDVVltUKP72BO22FeR+PH5DmYZQ4ZdGpnx4+y1f7/4HYQGyRkSHh3tTQitHM2I IBEcRE6MCJGZeyFJsn7Lp2ohd2DIU2pvFNzr4zmguyzyJE9oWlH0jttSRgicftl/gnLw bTtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725273414; x=1725878214; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=zwFKX15TuB+lP2XuqgSDKuPw5N2dTeJWzE8YjtBx2Ck=; b=hbjThzsuNvcIssA6gcZwvEHYcPmQ/b5/p/gPbnT1jOwp0395+ehUgjCGd4S06U32fA TAKjlsmLhEjTVBwNrWiCBWRzCjbK+9FCcOpkwrM23U1Lw2fB1f+cZ0fkjP/v09ppDjc0 NF2WP9lIvBDx9UR33AjLxOsMJYIFKTGSReTURvUbTAJg/lYgRzw/hCrXZJkb/aodNquQ 8uOEj/ju7BVgrZb0DaEov1Ao+gmdGRt/gu+BR0CBLDPor0It2mT9xCEXp6zknuJwmI0e FfukpDw57fEAHcA+gPh+sTiCxWyUPNyzEH5huHzIRwAGhofL63VfqRmjgTMXiVqndO2N PLrQ== X-Gm-Message-State: AOJu0YzX85szK1Zsz2fLRnZ2JbtWBPnHyouuxyuRn0UuiK/8K5+W1prX R6DwZg+aYuja/qbV0/8568tmu44DOu1Exy3XcmsZJbmm8r0W04pgbun0q1RHPEZhBADrSvRUsgp uw20= X-Google-Smtp-Source: AGHT+IEEQmpoV+ouxMmGGEQPQ1RJ1to1BLB7QdCRrlHE0htoeC67gYCWhIBQQrTQ12ZTMDwwnMcVVg== X-Received: by 2002:a05:6512:2208:b0:533:44a3:21b9 with SMTP id 2adb3069b0e04-53546b1916dmr7422282e87.1.1725273413826; Mon, 02 Sep 2024 03:36:53 -0700 (PDT) Received: from neptune.local ([2a02:2f0e:3004:6100:e124:ce40:67a4:fcf0]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a89891da22bsm540876766b.182.2024.09.02.03.36.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Sep 2024 03:36:53 -0700 (PDT) From: Alexandru Ardelean To: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Cc: jic23@kernel.org, krzk+dt@kernel.org, robh@kernel.org, lars@metafoo.de, michael.hennerich@analog.com, gstols@baylibre.com, Alexandru Ardelean Subject: [PATCH v2 1/8] iio: adc: ad7606: add 'bits' parameter to channels macros Date: Mon, 2 Sep 2024 13:36:24 +0300 Message-ID: <20240902103638.686039-2-aardelean@baylibre.com> X-Mailer: git-send-email 2.46.0 In-Reply-To: <20240902103638.686039-1-aardelean@baylibre.com> References: <20240902103638.686039-1-aardelean@baylibre.com> Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 There are some newer additions to the AD7606 family, which support 18 bit precision. Up until now, all chips were 16 bit. This change adds a 'bits' parameter to the AD760X_CHANNEL macro and renames 'ad7606_channels' -> 'ad7606_channels_16bit' for the current devices. The AD7606_SW_CHANNEL() macro is also introduced, as a short-hand for IIO channels in SW mode. Signed-off-by: Alexandru Ardelean --- drivers/iio/adc/ad7606.c | 58 ++++++++++++++++++------------------ drivers/iio/adc/ad7606.h | 18 ++++++----- drivers/iio/adc/ad7606_spi.c | 16 +++++----- 3 files changed, 47 insertions(+), 45 deletions(-) diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c index 539e4a8621fe..dba1f28782e4 100644 --- a/drivers/iio/adc/ad7606.c +++ b/drivers/iio/adc/ad7606.c @@ -333,16 +333,16 @@ static const struct iio_chan_spec ad7605_channels[] = { AD7605_CHANNEL(3), }; -static const struct iio_chan_spec ad7606_channels[] = { +static const struct iio_chan_spec ad7606_channels_16bit[] = { IIO_CHAN_SOFT_TIMESTAMP(8), - AD7606_CHANNEL(0), - AD7606_CHANNEL(1), - AD7606_CHANNEL(2), - AD7606_CHANNEL(3), - AD7606_CHANNEL(4), - AD7606_CHANNEL(5), - AD7606_CHANNEL(6), - AD7606_CHANNEL(7), + AD7606_CHANNEL(0, 16), + AD7606_CHANNEL(1, 16), + AD7606_CHANNEL(2, 16), + AD7606_CHANNEL(3, 16), + AD7606_CHANNEL(4, 16), + AD7606_CHANNEL(5, 16), + AD7606_CHANNEL(6, 16), + AD7606_CHANNEL(7, 16), }; /* @@ -357,22 +357,22 @@ static const struct iio_chan_spec ad7606_channels[] = { */ static const struct iio_chan_spec ad7616_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(16), - AD7606_CHANNEL(0), - AD7606_CHANNEL(1), - AD7606_CHANNEL(2), - AD7606_CHANNEL(3), - AD7606_CHANNEL(4), - AD7606_CHANNEL(5), - AD7606_CHANNEL(6), - AD7606_CHANNEL(7), - AD7606_CHANNEL(8), - AD7606_CHANNEL(9), - AD7606_CHANNEL(10), - AD7606_CHANNEL(11), - AD7606_CHANNEL(12), - AD7606_CHANNEL(13), - AD7606_CHANNEL(14), - AD7606_CHANNEL(15), + AD7606_CHANNEL(0, 16), + AD7606_CHANNEL(1, 16), + AD7606_CHANNEL(2, 16), + AD7606_CHANNEL(3, 16), + AD7606_CHANNEL(4, 16), + AD7606_CHANNEL(5, 16), + AD7606_CHANNEL(6, 16), + AD7606_CHANNEL(7, 16), + AD7606_CHANNEL(8, 16), + AD7606_CHANNEL(9, 16), + AD7606_CHANNEL(10, 16), + AD7606_CHANNEL(11, 16), + AD7606_CHANNEL(12, 16), + AD7606_CHANNEL(13, 16), + AD7606_CHANNEL(14, 16), + AD7606_CHANNEL(15, 16), }; static const struct ad7606_chip_info ad7606_chip_info_tbl[] = { @@ -382,25 +382,25 @@ static const struct ad7606_chip_info ad7606_chip_info_tbl[] = { .num_channels = 5, }, [ID_AD7606_8] = { - .channels = ad7606_channels, + .channels = ad7606_channels_16bit, .num_channels = 9, .oversampling_avail = ad7606_oversampling_avail, .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail), }, [ID_AD7606_6] = { - .channels = ad7606_channels, + .channels = ad7606_channels_16bit, .num_channels = 7, .oversampling_avail = ad7606_oversampling_avail, .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail), }, [ID_AD7606_4] = { - .channels = ad7606_channels, + .channels = ad7606_channels_16bit, .num_channels = 5, .oversampling_avail = ad7606_oversampling_avail, .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail), }, [ID_AD7606B] = { - .channels = ad7606_channels, + .channels = ad7606_channels_16bit, .num_channels = 9, .oversampling_avail = ad7606_oversampling_avail, .oversampling_num = ARRAY_SIZE(ad7606_oversampling_avail), diff --git a/drivers/iio/adc/ad7606.h b/drivers/iio/adc/ad7606.h index 0c6a88cc4695..771121350f98 100644 --- a/drivers/iio/adc/ad7606.h +++ b/drivers/iio/adc/ad7606.h @@ -8,7 +8,7 @@ #ifndef IIO_ADC_AD7606_H_ #define IIO_ADC_AD7606_H_ -#define AD760X_CHANNEL(num, mask_sep, mask_type, mask_all) { \ +#define AD760X_CHANNEL(num, mask_sep, mask_type, mask_all, bits) { \ .type = IIO_VOLTAGE, \ .indexed = 1, \ .channel = num, \ @@ -19,24 +19,26 @@ .scan_index = num, \ .scan_type = { \ .sign = 's', \ - .realbits = 16, \ - .storagebits = 16, \ + .realbits = (bits), \ + .storagebits = (bits), \ .endianness = IIO_CPU, \ }, \ } #define AD7605_CHANNEL(num) \ AD760X_CHANNEL(num, BIT(IIO_CHAN_INFO_RAW), \ - BIT(IIO_CHAN_INFO_SCALE), 0) + BIT(IIO_CHAN_INFO_SCALE), 0, 16) -#define AD7606_CHANNEL(num) \ +#define AD7606_CHANNEL(num, bits) \ AD760X_CHANNEL(num, BIT(IIO_CHAN_INFO_RAW), \ BIT(IIO_CHAN_INFO_SCALE), \ - BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO)) + BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), bits) -#define AD7616_CHANNEL(num) \ +#define AD7606_SW_CHANNEL(num, bits) \ AD760X_CHANNEL(num, BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),\ - 0, BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO)) + 0, BIT(IIO_CHAN_INFO_OVERSAMPLING_RATIO), bits) + +#define AD7616_CHANNEL(num) AD7606_SW_CHANNEL(num, 16) /** * struct ad7606_chip_info - chip specific information diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c index 62ec12195307..e00f58a6a0e9 100644 --- a/drivers/iio/adc/ad7606_spi.c +++ b/drivers/iio/adc/ad7606_spi.c @@ -67,14 +67,14 @@ static const struct iio_chan_spec ad7616_sw_channels[] = { static const struct iio_chan_spec ad7606b_sw_channels[] = { IIO_CHAN_SOFT_TIMESTAMP(8), - AD7616_CHANNEL(0), - AD7616_CHANNEL(1), - AD7616_CHANNEL(2), - AD7616_CHANNEL(3), - AD7616_CHANNEL(4), - AD7616_CHANNEL(5), - AD7616_CHANNEL(6), - AD7616_CHANNEL(7), + AD7606_SW_CHANNEL(0, 16), + AD7606_SW_CHANNEL(1, 16), + AD7606_SW_CHANNEL(2, 16), + AD7606_SW_CHANNEL(3, 16), + AD7606_SW_CHANNEL(4, 16), + AD7606_SW_CHANNEL(5, 16), + AD7606_SW_CHANNEL(6, 16), + AD7606_SW_CHANNEL(7, 16), }; static const unsigned int ad7606B_oversampling_avail[9] = {