From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fw2.prolan.hu (fw2.prolan.hu [193.68.50.107]) (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 9B97B22CBF3; Wed, 5 Feb 2025 10:50:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.68.50.107 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738752607; cv=none; b=T4mKCubgLra5ZPqwnJg1k85+1Zucg4bmeeT8QV/pafPuRY37oC9jwm+DPTZWLq77Ynatn0iDPnysJy9nWvv3cx9gPrt6snrQ4gfay/JEwc505617xf85/qQwzWYOUBbg26fARJYZbgk2agqwIgkios9e6u2N7Yq56WlXukNhHzw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1738752607; c=relaxed/simple; bh=in+9r1+ZwwgpczNqt0GEjPoTTCLm/g7wMs5PxZLd5GY=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=uivMh33So5qRpgi9gGo4D2zleTryb+IafqIvuuFfKq+Q0JyXtaIgHj3JM4CendwcvZm91j98ysogQcyMAGzQyxN6qwFESy7QonW8dCL6eCEl6tcjdDAsW4kzFfc5isEHIOtXlL2CSPHNgPfmibELip81IUzb3JkY5qLuQYQpj0M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=prolan.hu; spf=pass smtp.mailfrom=prolan.hu; dkim=pass (4096-bit key) header.d=prolan.hu header.i=@prolan.hu header.b=OM7D9kN/; arc=none smtp.client-ip=193.68.50.107 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=prolan.hu Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=prolan.hu Authentication-Results: smtp.subspace.kernel.org; dkim=pass (4096-bit key) header.d=prolan.hu header.i=@prolan.hu header.b="OM7D9kN/" Received: from proxmox-mailgw.intranet.prolan.hu (localhost.localdomain [127.0.0.1]) by proxmox-mailgw.intranet.prolan.hu (Proxmox) with ESMTP id A2A45A0530; Wed, 5 Feb 2025 11:50:03 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=prolan.hu; h=cc :cc:content-transfer-encoding:content-type:content-type:date :from:from:in-reply-to:message-id:mime-version:references :reply-to:subject:subject:to:to; s=mail; bh=SDare0wXthcUSCxt8tJM hXyNRKnHO97BD3ndLeOmDBI=; b=OM7D9kN/qdhvVKfFyRJIY7EmIiYKzs5biVhP SYV12ZKf8A4UtWWnswMGsznVS+CQBPHxIRhewTGcXK8mhHG6OXTKX1/kvkVk+XQc mX5aZd2TQGnB5YFahlKb5/hUevWts/95fdAim5TAiQVHurym71JkR0bE8WvIkWjE 0NUIiBZECxHwT6iCbeXeDb1aMmwY5au9rfSZTHfe6JO5jN0AfZuOpWVL/f1E+71o 656E7X4y06qx9PexxX4e1xR1rjP5q42VM0I+hYMHjuWXb4neA9+QhwL1VDDGLmVF CQkB1aewiXM39KNJyrT250wC7DAln3HGhklq7fwbA1ZdDNNg68byIqtDKTxy1kAL iRTQs/nWds0fATuIJVHJxSepyhSQgrUf/ZnXX1WUoJ/ALNa+hpz+t7TN+Etiiz4/ pAHKQiBG8bvTCkCYbvxbdO3q2p4n5MVRpp3q2yRE4n9cdfg36dEGYieizSgmsoTd hG4hV4XPM1LajeRt4rX5hKfT+Jhigek/NbBofCSkQN9pwNHsm0hEnlJo8B3rkajh MUI+Z4EgwDyOQX1rdQHuaPJkkvNvYvdqFQrKnKyMv2A9E1Uj+OiJ4uJq6fPIbXlW WU3WK5PUa5b5zep4GitPl6jF7sfLcNSz8NwxX0jgXxbYScYtcekYwt381Wn3BY54 yPyfLmI= From: =?UTF-8?q?Bence=20Cs=C3=B3k=C3=A1s?= To: , , CC: =?UTF-8?q?Bence=20Cs=C3=B3k=C3=A1s?= , "Kamel Bouhara" , William Breathitt Gray Subject: [PATCH v3 2/2] counter: microchip-tcb-capture: Add capture extensions for registers RA-RC Date: Wed, 5 Feb 2025 11:49:54 +0100 Message-ID: <20250205104957.95236-3-csokas.bence@prolan.hu> X-Mailer: git-send-email 2.48.1 In-Reply-To: <20250205104957.95236-1-csokas.bence@prolan.hu> References: <20250205104957.95236-1-csokas.bence@prolan.hu> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8bit X-ESET-AS: R=OK;S=0;OP=CALC;TIME=1738752602;VERSION=7985;MC=3452472733;ID=233959;TRN=0;CRV=0;IPC=;SP=0;SIPS=0;PI=3;F=0 X-ESET-Antispam: OK X-EsetResult: clean, is OK X-EsetId: 37303A29ACD94852667264 TCB hardware is capable of capturing the timer value to registers RA and RB. On top, it is capable of triggering on compare against a third register, RC. Add these registers as extensions. Signed-off-by: Bence Csókás --- Notes: Changes in v2: * Add IRQs Changes in v3: * Move IRQs to previous patch drivers/counter/microchip-tcb-capture.c | 58 +++++++++++++++++++++++++ 1 file changed, 58 insertions(+) diff --git a/drivers/counter/microchip-tcb-capture.c b/drivers/counter/microchip-tcb-capture.c index fef4bb69b486..1445ac512c52 100644 --- a/drivers/counter/microchip-tcb-capture.c +++ b/drivers/counter/microchip-tcb-capture.c @@ -253,6 +253,62 @@ static int mchp_tc_count_read(struct counter_device *counter, return 0; } +static int mchp_tc_count_cap_read(struct counter_device *counter, + struct counter_count *count, size_t idx, u64 *val) +{ + struct mchp_tc_data *const priv = counter_priv(counter); + u32 cnt; + + switch (idx) { + case 0: + regmap_read(priv->regmap, ATMEL_TC_REG(priv->channel[0], RA), &cnt); + break; + case 1: + regmap_read(priv->regmap, ATMEL_TC_REG(priv->channel[0], RB), &cnt); + break; + case 2: + regmap_read(priv->regmap, ATMEL_TC_REG(priv->channel[0], RC), &cnt); + break; + default: + return -EINVAL; + } + *val = cnt; + + return 0; +} + +static int mchp_tc_count_cap_write(struct counter_device *counter, + struct counter_count *count, size_t idx, u64 val) +{ + struct mchp_tc_data *const priv = counter_priv(counter); + + if (val > U32_MAX) + return -ERANGE; + + switch (idx) { + case 0: + regmap_write(priv->regmap, ATMEL_TC_REG(priv->channel[0], RA), val); + break; + case 1: + regmap_write(priv->regmap, ATMEL_TC_REG(priv->channel[0], RB), val); + break; + case 2: + regmap_write(priv->regmap, ATMEL_TC_REG(priv->channel[0], RC), val); + break; + default: + return -EINVAL; + } + + return 0; +} + +static DEFINE_COUNTER_ARRAY_CAPTURE(mchp_tc_cnt_cap_array, 3); + +static struct counter_comp mchp_tc_count_ext[] = { + COUNTER_COMP_ARRAY_CAPTURE(mchp_tc_count_cap_read, mchp_tc_count_cap_write, + mchp_tc_cnt_cap_array), +}; + static struct counter_count mchp_tc_counts[] = { { .id = 0, @@ -261,6 +317,8 @@ static struct counter_count mchp_tc_counts[] = { .num_functions = ARRAY_SIZE(mchp_tc_count_functions), .synapses = mchp_tc_count_synapses, .num_synapses = ARRAY_SIZE(mchp_tc_count_synapses), + .ext = mchp_tc_count_ext, + .num_ext = ARRAY_SIZE(mchp_tc_count_ext), }, }; -- 2.48.1