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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,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 31D6DC47089 for ; Wed, 26 May 2021 06:52:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 19EAF613E1 for ; Wed, 26 May 2021 06:52:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232944AbhEZGyD (ORCPT ); Wed, 26 May 2021 02:54:03 -0400 Received: from mailgw01.mediatek.com ([210.61.82.183]:37255 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S232336AbhEZGxt (ORCPT ); Wed, 26 May 2021 02:53:49 -0400 X-UUID: 1b47c5e58580455e8c23abb22cd0e188-20210526 X-UUID: 1b47c5e58580455e8c23abb22cd0e188-20210526 Received: from mtkcas07.mediatek.inc [(172.21.101.84)] by mailgw01.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 2098683584; Wed, 26 May 2021 14:52:13 +0800 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 26 May 2021 14:52:12 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 26 May 2021 14:52:11 +0800 From: Hsin-Hsiung Wang To: Lee Jones , Rob Herring , Matthias Brugger , Liam Girdwood , Mark Brown , Eddie Huang , Alessandro Zummo , Alexandre Belloni , Fei Shao CC: Sean Wang , Hsin-Hsiung Wang , Yuchen Huang , , , , , , , Subject: [PATCH v8 1/8] mfd: mt6358: refine interrupt code Date: Wed, 26 May 2021 14:52:00 +0800 Message-ID: <1622011927-359-2-git-send-email-hsin-hsiung.wang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1622011927-359-1-git-send-email-hsin-hsiung.wang@mediatek.com> References: <1622011927-359-1-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 Content-Type: text/plain X-MTK: N Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch refines the interrupt related code to support new chips. Signed-off-by: Hsin-Hsiung Wang Acked-for-MFD-by: Lee Jones --- changes since v7: - no change. --- drivers/mfd/mt6358-irq.c | 65 ++++++++++++++++++++++++----------------- include/linux/mfd/mt6358/core.h | 8 ++--- 2 files changed, 41 insertions(+), 32 deletions(-) diff --git a/drivers/mfd/mt6358-irq.c b/drivers/mfd/mt6358-irq.c index db734f2..4b094e5 100644 --- a/drivers/mfd/mt6358-irq.c +++ b/drivers/mfd/mt6358-irq.c @@ -13,7 +13,9 @@ #include #include -static struct irq_top_t mt6358_ints[] = { +#define MTK_PMIC_REG_WIDTH 16 + +static const struct irq_top_t mt6358_ints[] = { MT6358_TOP_GEN(BUCK), MT6358_TOP_GEN(LDO), MT6358_TOP_GEN(PSC), @@ -24,6 +26,13 @@ static struct irq_top_t mt6358_ints[] = { MT6358_TOP_GEN(MISC), }; +static struct pmic_irq_data mt6358_irqd = { + .num_top = ARRAY_SIZE(mt6358_ints), + .num_pmic_irqs = MT6358_IRQ_NR, + .top_int_status_reg = MT6358_TOP_INT_STATUS0, + .pmic_ints = mt6358_ints, +}; + static void pmic_irq_enable(struct irq_data *data) { unsigned int hwirq = irqd_to_hwirq(data); @@ -62,15 +71,15 @@ static void pmic_irq_sync_unlock(struct irq_data *data) /* Find out the IRQ group */ top_gp = 0; while ((top_gp + 1) < irqd->num_top && - i >= mt6358_ints[top_gp + 1].hwirq_base) + i >= irqd->pmic_ints[top_gp + 1].hwirq_base) top_gp++; /* Find the IRQ registers */ - gp_offset = i - mt6358_ints[top_gp].hwirq_base; - int_regs = gp_offset / MT6358_REG_WIDTH; - shift = gp_offset % MT6358_REG_WIDTH; - en_reg = mt6358_ints[top_gp].en_reg + - (mt6358_ints[top_gp].en_reg_shift * int_regs); + gp_offset = i - irqd->pmic_ints[top_gp].hwirq_base; + int_regs = gp_offset / MTK_PMIC_REG_WIDTH; + shift = gp_offset % MTK_PMIC_REG_WIDTH; + en_reg = irqd->pmic_ints[top_gp].en_reg + + (irqd->pmic_ints[top_gp].en_reg_shift * int_regs); regmap_update_bits(chip->regmap, en_reg, BIT(shift), irqd->enable_hwirq[i] << shift); @@ -95,10 +104,11 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, unsigned int irq_status, sta_reg, status; unsigned int hwirq, virq; int i, j, ret; + struct pmic_irq_data *irqd = chip->irq_data; - for (i = 0; i < mt6358_ints[top_gp].num_int_regs; i++) { - sta_reg = mt6358_ints[top_gp].sta_reg + - mt6358_ints[top_gp].sta_reg_shift * i; + for (i = 0; i < irqd->pmic_ints[top_gp].num_int_regs; i++) { + sta_reg = irqd->pmic_ints[top_gp].sta_reg + + irqd->pmic_ints[top_gp].sta_reg_shift * i; ret = regmap_read(chip->regmap, sta_reg, &irq_status); if (ret) { @@ -114,8 +124,8 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, do { j = __ffs(status); - hwirq = mt6358_ints[top_gp].hwirq_base + - MT6358_REG_WIDTH * i + j; + hwirq = irqd->pmic_ints[top_gp].hwirq_base + + MTK_PMIC_REG_WIDTH * i + j; virq = irq_find_mapping(chip->irq_domain, hwirq); if (virq) @@ -131,12 +141,12 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, static irqreturn_t mt6358_irq_handler(int irq, void *data) { struct mt6397_chip *chip = data; - struct pmic_irq_data *mt6358_irq_data = chip->irq_data; + struct pmic_irq_data *irqd = chip->irq_data; unsigned int bit, i, top_irq_status = 0; int ret; ret = regmap_read(chip->regmap, - mt6358_irq_data->top_int_status_reg, + irqd->top_int_status_reg, &top_irq_status); if (ret) { dev_err(chip->dev, @@ -144,8 +154,8 @@ static irqreturn_t mt6358_irq_handler(int irq, void *data) return IRQ_NONE; } - for (i = 0; i < mt6358_irq_data->num_top; i++) { - bit = BIT(mt6358_ints[i].top_offset); + for (i = 0; i < irqd->num_top; i++) { + bit = BIT(irqd->pmic_ints[i].top_offset); if (top_irq_status & bit) { mt6358_irq_sp_handler(chip, i); top_irq_status &= ~bit; @@ -180,17 +190,18 @@ int mt6358_irq_init(struct mt6397_chip *chip) int i, j, ret; struct pmic_irq_data *irqd; - irqd = devm_kzalloc(chip->dev, sizeof(*irqd), GFP_KERNEL); - if (!irqd) - return -ENOMEM; + switch (chip->chip_id) { + case MT6358_CHIP_ID: + chip->irq_data = &mt6358_irqd; + break; - chip->irq_data = irqd; + default: + dev_err(chip->dev, "unsupported chip: 0x%x\n", chip->chip_id); + return -ENODEV; + } mutex_init(&chip->irqlock); - irqd->top_int_status_reg = MT6358_TOP_INT_STATUS0; - irqd->num_pmic_irqs = MT6358_IRQ_NR; - irqd->num_top = ARRAY_SIZE(mt6358_ints); - + irqd = chip->irq_data; irqd->enable_hwirq = devm_kcalloc(chip->dev, irqd->num_pmic_irqs, sizeof(*irqd->enable_hwirq), @@ -207,10 +218,10 @@ int mt6358_irq_init(struct mt6397_chip *chip) /* Disable all interrupts for initializing */ for (i = 0; i < irqd->num_top; i++) { - for (j = 0; j < mt6358_ints[i].num_int_regs; j++) + for (j = 0; j < irqd->pmic_ints[i].num_int_regs; j++) regmap_write(chip->regmap, - mt6358_ints[i].en_reg + - mt6358_ints[i].en_reg_shift * j, 0); + irqd->pmic_ints[i].en_reg + + irqd->pmic_ints[i].en_reg_shift * j, 0); } chip->irq_domain = irq_domain_add_linear(chip->dev->of_node, diff --git a/include/linux/mfd/mt6358/core.h b/include/linux/mfd/mt6358/core.h index c5a11b7..68578e2 100644 --- a/include/linux/mfd/mt6358/core.h +++ b/include/linux/mfd/mt6358/core.h @@ -6,12 +6,9 @@ #ifndef __MFD_MT6358_CORE_H__ #define __MFD_MT6358_CORE_H__ -#define MT6358_REG_WIDTH 16 - struct irq_top_t { int hwirq_base; unsigned int num_int_regs; - unsigned int num_int_bits; unsigned int en_reg; unsigned int en_reg_shift; unsigned int sta_reg; @@ -25,6 +22,7 @@ struct pmic_irq_data { unsigned short top_int_status_reg; bool *enable_hwirq; bool *cache_hwirq; + const struct irq_top_t *pmic_ints; }; enum mt6358_irq_top_status_shift { @@ -146,8 +144,8 @@ enum mt6358_irq_numbers { { \ .hwirq_base = MT6358_IRQ_##sp##_BASE, \ .num_int_regs = \ - ((MT6358_IRQ_##sp##_BITS - 1) / MT6358_REG_WIDTH) + 1, \ - .num_int_bits = MT6358_IRQ_##sp##_BITS, \ + ((MT6358_IRQ_##sp##_BITS - 1) / \ + MTK_PMIC_REG_WIDTH) + 1, \ .en_reg = MT6358_##sp##_TOP_INT_CON0, \ .en_reg_shift = 0x6, \ .sta_reg = MT6358_##sp##_TOP_INT_STATUS0, \ -- 2.6.4 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 43DFDC2B9F7 for ; Wed, 26 May 2021 06:55:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0883F61181 for ; Wed, 26 May 2021 06:55:40 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 0883F61181 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=DOHBw/R64aP2ssfdkHFnidX4U+vhWvB3bI03Y9qibZA=; b=cLPBTW9Snnu3eT W0GfrTZTXYuA61AUQHWStJRYMhr9N56lMgcG1l/j3czJ9fspWOqsM06UwA8YXGxG7AfIwxPGXWFt2 lao1ioTlecbgl1+Wfo6p7OzbXv5fDfia1XeeUHPwMdEdEGTlrfJY33nGJGm7YKtyCwvGcp/IZv2Zj MJ4b93coQM8uO/OjETvkeUp4ESuSFg+dYgmZrNG9Jke68h0W3yLXdvEEKZheA1nzpH0av0rMRf7GG sEp7pUrDcQSfpH6VYZ+7GlTpMT2+qP3vQbyolWwPEoulWbi/n1jlD5RqdjYeeteK8gEl4Upzo6s9t MI5fZGA6HR+hPW87u0Ag==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1llnRz-00Bnac-0Q; Wed, 26 May 2021 06:55:31 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1llnOt-00Blnm-Vy; Wed, 26 May 2021 06:52:22 +0000 X-UUID: c090d71c19f34b96bc78b6e37deab6df-20210525 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=obcZ47avqXQwUmYWgMuJ19Z/7Qh+6CYy7ZakUenirEw=; b=MP+Hlj3QZbaSux+raS7nPYwvjaw1BZwxDbi0fDgTLpjMKUriqTTWHE07oReO6ffH744NhJ9OR4+8iXjV0cf8ngZrX1vJTtIEj0PHgfmQ28j57C/UZN8WK84d0WwZ077mnMluwiEKdZq7xzYYy9aWoBr3phbUVolNgZkg1qq6cBI=; X-UUID: c090d71c19f34b96bc78b6e37deab6df-20210525 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 436080142; Tue, 25 May 2021 23:52:15 -0700 Received: from MTKMBS06N1.mediatek.inc (172.21.101.129) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 25 May 2021 23:52:13 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 26 May 2021 14:52:12 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 26 May 2021 14:52:11 +0800 From: Hsin-Hsiung Wang To: Lee Jones , Rob Herring , Matthias Brugger , Liam Girdwood , Mark Brown , Eddie Huang , Alessandro Zummo , Alexandre Belloni , Fei Shao CC: Sean Wang , Hsin-Hsiung Wang , Yuchen Huang , , , , , , , Subject: [PATCH v8 1/8] mfd: mt6358: refine interrupt code Date: Wed, 26 May 2021 14:52:00 +0800 Message-ID: <1622011927-359-2-git-send-email-hsin-hsiung.wang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1622011927-359-1-git-send-email-hsin-hsiung.wang@mediatek.com> References: <1622011927-359-1-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210525_235220_088515_4C032FA2 X-CRM114-Status: GOOD ( 22.51 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org This patch refines the interrupt related code to support new chips. Signed-off-by: Hsin-Hsiung Wang Acked-for-MFD-by: Lee Jones --- changes since v7: - no change. --- drivers/mfd/mt6358-irq.c | 65 ++++++++++++++++++++++++----------------- include/linux/mfd/mt6358/core.h | 8 ++--- 2 files changed, 41 insertions(+), 32 deletions(-) diff --git a/drivers/mfd/mt6358-irq.c b/drivers/mfd/mt6358-irq.c index db734f2..4b094e5 100644 --- a/drivers/mfd/mt6358-irq.c +++ b/drivers/mfd/mt6358-irq.c @@ -13,7 +13,9 @@ #include #include -static struct irq_top_t mt6358_ints[] = { +#define MTK_PMIC_REG_WIDTH 16 + +static const struct irq_top_t mt6358_ints[] = { MT6358_TOP_GEN(BUCK), MT6358_TOP_GEN(LDO), MT6358_TOP_GEN(PSC), @@ -24,6 +26,13 @@ static struct irq_top_t mt6358_ints[] = { MT6358_TOP_GEN(MISC), }; +static struct pmic_irq_data mt6358_irqd = { + .num_top = ARRAY_SIZE(mt6358_ints), + .num_pmic_irqs = MT6358_IRQ_NR, + .top_int_status_reg = MT6358_TOP_INT_STATUS0, + .pmic_ints = mt6358_ints, +}; + static void pmic_irq_enable(struct irq_data *data) { unsigned int hwirq = irqd_to_hwirq(data); @@ -62,15 +71,15 @@ static void pmic_irq_sync_unlock(struct irq_data *data) /* Find out the IRQ group */ top_gp = 0; while ((top_gp + 1) < irqd->num_top && - i >= mt6358_ints[top_gp + 1].hwirq_base) + i >= irqd->pmic_ints[top_gp + 1].hwirq_base) top_gp++; /* Find the IRQ registers */ - gp_offset = i - mt6358_ints[top_gp].hwirq_base; - int_regs = gp_offset / MT6358_REG_WIDTH; - shift = gp_offset % MT6358_REG_WIDTH; - en_reg = mt6358_ints[top_gp].en_reg + - (mt6358_ints[top_gp].en_reg_shift * int_regs); + gp_offset = i - irqd->pmic_ints[top_gp].hwirq_base; + int_regs = gp_offset / MTK_PMIC_REG_WIDTH; + shift = gp_offset % MTK_PMIC_REG_WIDTH; + en_reg = irqd->pmic_ints[top_gp].en_reg + + (irqd->pmic_ints[top_gp].en_reg_shift * int_regs); regmap_update_bits(chip->regmap, en_reg, BIT(shift), irqd->enable_hwirq[i] << shift); @@ -95,10 +104,11 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, unsigned int irq_status, sta_reg, status; unsigned int hwirq, virq; int i, j, ret; + struct pmic_irq_data *irqd = chip->irq_data; - for (i = 0; i < mt6358_ints[top_gp].num_int_regs; i++) { - sta_reg = mt6358_ints[top_gp].sta_reg + - mt6358_ints[top_gp].sta_reg_shift * i; + for (i = 0; i < irqd->pmic_ints[top_gp].num_int_regs; i++) { + sta_reg = irqd->pmic_ints[top_gp].sta_reg + + irqd->pmic_ints[top_gp].sta_reg_shift * i; ret = regmap_read(chip->regmap, sta_reg, &irq_status); if (ret) { @@ -114,8 +124,8 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, do { j = __ffs(status); - hwirq = mt6358_ints[top_gp].hwirq_base + - MT6358_REG_WIDTH * i + j; + hwirq = irqd->pmic_ints[top_gp].hwirq_base + + MTK_PMIC_REG_WIDTH * i + j; virq = irq_find_mapping(chip->irq_domain, hwirq); if (virq) @@ -131,12 +141,12 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, static irqreturn_t mt6358_irq_handler(int irq, void *data) { struct mt6397_chip *chip = data; - struct pmic_irq_data *mt6358_irq_data = chip->irq_data; + struct pmic_irq_data *irqd = chip->irq_data; unsigned int bit, i, top_irq_status = 0; int ret; ret = regmap_read(chip->regmap, - mt6358_irq_data->top_int_status_reg, + irqd->top_int_status_reg, &top_irq_status); if (ret) { dev_err(chip->dev, @@ -144,8 +154,8 @@ static irqreturn_t mt6358_irq_handler(int irq, void *data) return IRQ_NONE; } - for (i = 0; i < mt6358_irq_data->num_top; i++) { - bit = BIT(mt6358_ints[i].top_offset); + for (i = 0; i < irqd->num_top; i++) { + bit = BIT(irqd->pmic_ints[i].top_offset); if (top_irq_status & bit) { mt6358_irq_sp_handler(chip, i); top_irq_status &= ~bit; @@ -180,17 +190,18 @@ int mt6358_irq_init(struct mt6397_chip *chip) int i, j, ret; struct pmic_irq_data *irqd; - irqd = devm_kzalloc(chip->dev, sizeof(*irqd), GFP_KERNEL); - if (!irqd) - return -ENOMEM; + switch (chip->chip_id) { + case MT6358_CHIP_ID: + chip->irq_data = &mt6358_irqd; + break; - chip->irq_data = irqd; + default: + dev_err(chip->dev, "unsupported chip: 0x%x\n", chip->chip_id); + return -ENODEV; + } mutex_init(&chip->irqlock); - irqd->top_int_status_reg = MT6358_TOP_INT_STATUS0; - irqd->num_pmic_irqs = MT6358_IRQ_NR; - irqd->num_top = ARRAY_SIZE(mt6358_ints); - + irqd = chip->irq_data; irqd->enable_hwirq = devm_kcalloc(chip->dev, irqd->num_pmic_irqs, sizeof(*irqd->enable_hwirq), @@ -207,10 +218,10 @@ int mt6358_irq_init(struct mt6397_chip *chip) /* Disable all interrupts for initializing */ for (i = 0; i < irqd->num_top; i++) { - for (j = 0; j < mt6358_ints[i].num_int_regs; j++) + for (j = 0; j < irqd->pmic_ints[i].num_int_regs; j++) regmap_write(chip->regmap, - mt6358_ints[i].en_reg + - mt6358_ints[i].en_reg_shift * j, 0); + irqd->pmic_ints[i].en_reg + + irqd->pmic_ints[i].en_reg_shift * j, 0); } chip->irq_domain = irq_domain_add_linear(chip->dev->of_node, diff --git a/include/linux/mfd/mt6358/core.h b/include/linux/mfd/mt6358/core.h index c5a11b7..68578e2 100644 --- a/include/linux/mfd/mt6358/core.h +++ b/include/linux/mfd/mt6358/core.h @@ -6,12 +6,9 @@ #ifndef __MFD_MT6358_CORE_H__ #define __MFD_MT6358_CORE_H__ -#define MT6358_REG_WIDTH 16 - struct irq_top_t { int hwirq_base; unsigned int num_int_regs; - unsigned int num_int_bits; unsigned int en_reg; unsigned int en_reg_shift; unsigned int sta_reg; @@ -25,6 +22,7 @@ struct pmic_irq_data { unsigned short top_int_status_reg; bool *enable_hwirq; bool *cache_hwirq; + const struct irq_top_t *pmic_ints; }; enum mt6358_irq_top_status_shift { @@ -146,8 +144,8 @@ enum mt6358_irq_numbers { { \ .hwirq_base = MT6358_IRQ_##sp##_BASE, \ .num_int_regs = \ - ((MT6358_IRQ_##sp##_BITS - 1) / MT6358_REG_WIDTH) + 1, \ - .num_int_bits = MT6358_IRQ_##sp##_BITS, \ + ((MT6358_IRQ_##sp##_BITS - 1) / \ + MTK_PMIC_REG_WIDTH) + 1, \ .en_reg = MT6358_##sp##_TOP_INT_CON0, \ .en_reg_shift = 0x6, \ .sta_reg = MT6358_##sp##_TOP_INT_STATUS0, \ -- 2.6.4 _______________________________________________ Linux-mediatek mailing list Linux-mediatek@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-mediatek 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=-17.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY, 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 1B7A2C2B9F7 for ; Wed, 26 May 2021 06:56:44 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D617E6101B for ; Wed, 26 May 2021 06:56:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D617E6101B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=mediatek.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=39zFElHa4UpNeycm8f/AgT8vB26qt+vOgAVjR/7Crtc=; b=ipoJCB1iHCB6tl 57uJi1FA58s+VLATcfoE6IDd1F6Y3/xqpBaK6mKNSWl7AbSKe4n65pGPAFsEpsCNii4ApTz2GF+oF KIXpSJJLpyGgSArdL1TYckhB02HM8iHLrM+dbrPonC3wyW18PygdQgniR4PkQp14tXHc/fKO2fDM+ nc9gdJFQuyFEiZle5Nly8pflBwVxzZ81cUL6r5YnRyx9rq6CVlJx+LCzFbjHR9PgMFoA2GGUJblPM cB1PKGFv6vhMBNwCDASzqkrZoHGppoY7wHzf1152qKoSUze5JMxcx20oDzGLtYvQiPuBoQE/XSDPI WcyIlxLojlNg7wciM4kw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1llnRG-00BnAj-60; Wed, 26 May 2021 06:54:47 +0000 Received: from mailgw02.mediatek.com ([216.200.240.185]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1llnOt-00Blnm-Vy; Wed, 26 May 2021 06:52:22 +0000 X-UUID: c090d71c19f34b96bc78b6e37deab6df-20210525 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Transfer-Encoding:Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From; bh=obcZ47avqXQwUmYWgMuJ19Z/7Qh+6CYy7ZakUenirEw=; b=MP+Hlj3QZbaSux+raS7nPYwvjaw1BZwxDbi0fDgTLpjMKUriqTTWHE07oReO6ffH744NhJ9OR4+8iXjV0cf8ngZrX1vJTtIEj0PHgfmQ28j57C/UZN8WK84d0WwZ077mnMluwiEKdZq7xzYYy9aWoBr3phbUVolNgZkg1qq6cBI=; X-UUID: c090d71c19f34b96bc78b6e37deab6df-20210525 Received: from mtkcas68.mediatek.inc [(172.29.94.19)] by mailgw02.mediatek.com (envelope-from ) (musrelay.mediatek.com ESMTP with TLSv1.2 ECDHE-RSA-AES256-SHA384 256/256) with ESMTP id 436080142; Tue, 25 May 2021 23:52:15 -0700 Received: from MTKMBS06N1.mediatek.inc (172.21.101.129) by MTKMBS62N2.mediatek.inc (172.29.193.42) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 25 May 2021 23:52:13 -0700 Received: from mtkcas11.mediatek.inc (172.21.101.40) by mtkmbs06n1.mediatek.inc (172.21.101.129) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 26 May 2021 14:52:12 +0800 Received: from mtksdaap41.mediatek.inc (172.21.77.4) by mtkcas11.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 26 May 2021 14:52:11 +0800 From: Hsin-Hsiung Wang To: Lee Jones , Rob Herring , Matthias Brugger , Liam Girdwood , Mark Brown , Eddie Huang , Alessandro Zummo , Alexandre Belloni , Fei Shao CC: Sean Wang , Hsin-Hsiung Wang , Yuchen Huang , , , , , , , Subject: [PATCH v8 1/8] mfd: mt6358: refine interrupt code Date: Wed, 26 May 2021 14:52:00 +0800 Message-ID: <1622011927-359-2-git-send-email-hsin-hsiung.wang@mediatek.com> X-Mailer: git-send-email 2.6.4 In-Reply-To: <1622011927-359-1-git-send-email-hsin-hsiung.wang@mediatek.com> References: <1622011927-359-1-git-send-email-hsin-hsiung.wang@mediatek.com> MIME-Version: 1.0 X-MTK: N X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210525_235220_088515_4C032FA2 X-CRM114-Status: GOOD ( 22.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org This patch refines the interrupt related code to support new chips. Signed-off-by: Hsin-Hsiung Wang Acked-for-MFD-by: Lee Jones --- changes since v7: - no change. --- drivers/mfd/mt6358-irq.c | 65 ++++++++++++++++++++++++----------------- include/linux/mfd/mt6358/core.h | 8 ++--- 2 files changed, 41 insertions(+), 32 deletions(-) diff --git a/drivers/mfd/mt6358-irq.c b/drivers/mfd/mt6358-irq.c index db734f2..4b094e5 100644 --- a/drivers/mfd/mt6358-irq.c +++ b/drivers/mfd/mt6358-irq.c @@ -13,7 +13,9 @@ #include #include -static struct irq_top_t mt6358_ints[] = { +#define MTK_PMIC_REG_WIDTH 16 + +static const struct irq_top_t mt6358_ints[] = { MT6358_TOP_GEN(BUCK), MT6358_TOP_GEN(LDO), MT6358_TOP_GEN(PSC), @@ -24,6 +26,13 @@ static struct irq_top_t mt6358_ints[] = { MT6358_TOP_GEN(MISC), }; +static struct pmic_irq_data mt6358_irqd = { + .num_top = ARRAY_SIZE(mt6358_ints), + .num_pmic_irqs = MT6358_IRQ_NR, + .top_int_status_reg = MT6358_TOP_INT_STATUS0, + .pmic_ints = mt6358_ints, +}; + static void pmic_irq_enable(struct irq_data *data) { unsigned int hwirq = irqd_to_hwirq(data); @@ -62,15 +71,15 @@ static void pmic_irq_sync_unlock(struct irq_data *data) /* Find out the IRQ group */ top_gp = 0; while ((top_gp + 1) < irqd->num_top && - i >= mt6358_ints[top_gp + 1].hwirq_base) + i >= irqd->pmic_ints[top_gp + 1].hwirq_base) top_gp++; /* Find the IRQ registers */ - gp_offset = i - mt6358_ints[top_gp].hwirq_base; - int_regs = gp_offset / MT6358_REG_WIDTH; - shift = gp_offset % MT6358_REG_WIDTH; - en_reg = mt6358_ints[top_gp].en_reg + - (mt6358_ints[top_gp].en_reg_shift * int_regs); + gp_offset = i - irqd->pmic_ints[top_gp].hwirq_base; + int_regs = gp_offset / MTK_PMIC_REG_WIDTH; + shift = gp_offset % MTK_PMIC_REG_WIDTH; + en_reg = irqd->pmic_ints[top_gp].en_reg + + (irqd->pmic_ints[top_gp].en_reg_shift * int_regs); regmap_update_bits(chip->regmap, en_reg, BIT(shift), irqd->enable_hwirq[i] << shift); @@ -95,10 +104,11 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, unsigned int irq_status, sta_reg, status; unsigned int hwirq, virq; int i, j, ret; + struct pmic_irq_data *irqd = chip->irq_data; - for (i = 0; i < mt6358_ints[top_gp].num_int_regs; i++) { - sta_reg = mt6358_ints[top_gp].sta_reg + - mt6358_ints[top_gp].sta_reg_shift * i; + for (i = 0; i < irqd->pmic_ints[top_gp].num_int_regs; i++) { + sta_reg = irqd->pmic_ints[top_gp].sta_reg + + irqd->pmic_ints[top_gp].sta_reg_shift * i; ret = regmap_read(chip->regmap, sta_reg, &irq_status); if (ret) { @@ -114,8 +124,8 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, do { j = __ffs(status); - hwirq = mt6358_ints[top_gp].hwirq_base + - MT6358_REG_WIDTH * i + j; + hwirq = irqd->pmic_ints[top_gp].hwirq_base + + MTK_PMIC_REG_WIDTH * i + j; virq = irq_find_mapping(chip->irq_domain, hwirq); if (virq) @@ -131,12 +141,12 @@ static void mt6358_irq_sp_handler(struct mt6397_chip *chip, static irqreturn_t mt6358_irq_handler(int irq, void *data) { struct mt6397_chip *chip = data; - struct pmic_irq_data *mt6358_irq_data = chip->irq_data; + struct pmic_irq_data *irqd = chip->irq_data; unsigned int bit, i, top_irq_status = 0; int ret; ret = regmap_read(chip->regmap, - mt6358_irq_data->top_int_status_reg, + irqd->top_int_status_reg, &top_irq_status); if (ret) { dev_err(chip->dev, @@ -144,8 +154,8 @@ static irqreturn_t mt6358_irq_handler(int irq, void *data) return IRQ_NONE; } - for (i = 0; i < mt6358_irq_data->num_top; i++) { - bit = BIT(mt6358_ints[i].top_offset); + for (i = 0; i < irqd->num_top; i++) { + bit = BIT(irqd->pmic_ints[i].top_offset); if (top_irq_status & bit) { mt6358_irq_sp_handler(chip, i); top_irq_status &= ~bit; @@ -180,17 +190,18 @@ int mt6358_irq_init(struct mt6397_chip *chip) int i, j, ret; struct pmic_irq_data *irqd; - irqd = devm_kzalloc(chip->dev, sizeof(*irqd), GFP_KERNEL); - if (!irqd) - return -ENOMEM; + switch (chip->chip_id) { + case MT6358_CHIP_ID: + chip->irq_data = &mt6358_irqd; + break; - chip->irq_data = irqd; + default: + dev_err(chip->dev, "unsupported chip: 0x%x\n", chip->chip_id); + return -ENODEV; + } mutex_init(&chip->irqlock); - irqd->top_int_status_reg = MT6358_TOP_INT_STATUS0; - irqd->num_pmic_irqs = MT6358_IRQ_NR; - irqd->num_top = ARRAY_SIZE(mt6358_ints); - + irqd = chip->irq_data; irqd->enable_hwirq = devm_kcalloc(chip->dev, irqd->num_pmic_irqs, sizeof(*irqd->enable_hwirq), @@ -207,10 +218,10 @@ int mt6358_irq_init(struct mt6397_chip *chip) /* Disable all interrupts for initializing */ for (i = 0; i < irqd->num_top; i++) { - for (j = 0; j < mt6358_ints[i].num_int_regs; j++) + for (j = 0; j < irqd->pmic_ints[i].num_int_regs; j++) regmap_write(chip->regmap, - mt6358_ints[i].en_reg + - mt6358_ints[i].en_reg_shift * j, 0); + irqd->pmic_ints[i].en_reg + + irqd->pmic_ints[i].en_reg_shift * j, 0); } chip->irq_domain = irq_domain_add_linear(chip->dev->of_node, diff --git a/include/linux/mfd/mt6358/core.h b/include/linux/mfd/mt6358/core.h index c5a11b7..68578e2 100644 --- a/include/linux/mfd/mt6358/core.h +++ b/include/linux/mfd/mt6358/core.h @@ -6,12 +6,9 @@ #ifndef __MFD_MT6358_CORE_H__ #define __MFD_MT6358_CORE_H__ -#define MT6358_REG_WIDTH 16 - struct irq_top_t { int hwirq_base; unsigned int num_int_regs; - unsigned int num_int_bits; unsigned int en_reg; unsigned int en_reg_shift; unsigned int sta_reg; @@ -25,6 +22,7 @@ struct pmic_irq_data { unsigned short top_int_status_reg; bool *enable_hwirq; bool *cache_hwirq; + const struct irq_top_t *pmic_ints; }; enum mt6358_irq_top_status_shift { @@ -146,8 +144,8 @@ enum mt6358_irq_numbers { { \ .hwirq_base = MT6358_IRQ_##sp##_BASE, \ .num_int_regs = \ - ((MT6358_IRQ_##sp##_BITS - 1) / MT6358_REG_WIDTH) + 1, \ - .num_int_bits = MT6358_IRQ_##sp##_BITS, \ + ((MT6358_IRQ_##sp##_BITS - 1) / \ + MTK_PMIC_REG_WIDTH) + 1, \ .en_reg = MT6358_##sp##_TOP_INT_CON0, \ .en_reg_shift = 0x6, \ .sta_reg = MT6358_##sp##_TOP_INT_STATUS0, \ -- 2.6.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel