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dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) by VI1PR04MB6943.eurprd04.prod.outlook.com (2603:10a6:803:13a::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.22; Thu, 2 Jul 2020 06:53:41 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d%6]) with mapi id 15.20.3153.024; Thu, 2 Jul 2020 06:53:41 +0000 From: Robin Gong To: vkoul@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, dan.j.williams@intel.com, angelo@sysam.it Subject: [PATCH v1 1/9] dmaengine: fsl-edma: move edma_request functions into drvdata Date: Thu, 2 Jul 2020 23:08:01 +0800 Message-Id: <1593702489-21648-2-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> References: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.24 via Frontend Transport; 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CAT:NONE; SFTY:; SFS:(4636009)(396003)(136003)(366004)(376002)(39860400002)(346002)(83380400001)(66476007)(6666004)(66946007)(66556008)(52116002)(36756003)(8936002)(2616005)(6486002)(956004)(6512007)(186003)(7416002)(4326008)(26005)(2906002)(8676002)(86362001)(16526019)(478600001)(6506007)(5660300002)(316002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: pGK57xjgY/HAYl4KdlIueA3zH4/bLySmyibgz8jOCqMDsbyi6VV/zqU47adXqXHM2Y0192QvijzCa2rX2rvwl3R0C3lA6ze0YTfGSH0OshfXXuWtlBZUifGAnpYKl+bAUlQYtz2qn5zWRY8ollJTn0YbbtBW3UpQbZXQ85TCoTAcxAthkjBNAuLvSkcc9N6JAn6/tPclV6tAiHLOyzj61y0QJH2B+/EP2QYf3rHHEHutJyQgWivg635YwvB/LfwHDgr6Qu5Yn+rZi8azZ71FdqINRXRedwJcE9PGulN8npxlTbbyAuwIL6s56IIFM85xFrjJhb+D8wP0LeznekdpEDjkkAZUYQ684x3Z438btsFk+t5qgaN6oZIjo1oGNpo0qSgOIcWd2VF78po+6dAK9JFFougIOogC+DMCrqSi8ifVAu9AlkeEdq1B1kR2SOD+Vz4O638o+m3+O5tDB+rgETOraPP4kOMXzmf1Yhlk3tc= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: ff0f42e3-32a4-4786-0cfb-08d81e54a7b9 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6638.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Jul 2020 06:53:41.7611 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: UHd8AxJmEsWfcVFKyDgTDIuIc4qCzHtIpazmpDQAtaGbGMlRKpJ09CNEJtRtxBxpjuRS+0FNlsOthcpUydh2fw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB6943 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200702_025345_141093_A3EC3323 X-CRM114-Status: GOOD ( 15.04 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.6.52 listed in wl.mailspike.net] -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [40.107.6.52 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Move fsl_edma_enable_request/fsl_edma_disable_request into drvdata so that later edma3 could easily be added. Signed-off-by: Robin Gong --- drivers/dma/fsl-edma-common.c | 13 +++++++------ drivers/dma/fsl-edma-common.h | 3 +++ drivers/dma/fsl-edma.c | 10 ++++++++-- drivers/dma/mcf-edma.c | 2 ++ 4 files changed, 20 insertions(+), 8 deletions(-) diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index 4550818..ef5294f0 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -42,7 +42,7 @@ #define EDMA_TCD 0x1000 -static void fsl_edma_enable_request(struct fsl_edma_chan *fsl_chan) +void fsl_edma_enable_request(struct fsl_edma_chan *fsl_chan) { struct edma_regs *regs = &fsl_chan->edma->regs; u32 ch = fsl_chan->vchan.chan.chan_id; @@ -58,6 +58,7 @@ static void fsl_edma_enable_request(struct fsl_edma_chan *fsl_chan) iowrite8(ch, regs->serq); } } +EXPORT_SYMBOL_GPL(fsl_edma_enable_request); void fsl_edma_disable_request(struct fsl_edma_chan *fsl_chan) { @@ -164,7 +165,7 @@ int fsl_edma_terminate_all(struct dma_chan *chan) LIST_HEAD(head); spin_lock_irqsave(&fsl_chan->vchan.lock, flags); - fsl_edma_disable_request(fsl_chan); + fsl_chan->edma->drvdata->dis_req(fsl_chan); fsl_chan->edesc = NULL; fsl_chan->idle = true; vchan_get_all_descriptors(&fsl_chan->vchan, &head); @@ -181,7 +182,7 @@ int fsl_edma_pause(struct dma_chan *chan) spin_lock_irqsave(&fsl_chan->vchan.lock, flags); if (fsl_chan->edesc) { - fsl_edma_disable_request(fsl_chan); + fsl_chan->edma->drvdata->dis_req(fsl_chan); fsl_chan->status = DMA_PAUSED; fsl_chan->idle = true; } @@ -197,7 +198,7 @@ int fsl_edma_resume(struct dma_chan *chan) spin_lock_irqsave(&fsl_chan->vchan.lock, flags); if (fsl_chan->edesc) { - fsl_edma_enable_request(fsl_chan); + fsl_chan->edma->drvdata->en_req(fsl_chan); fsl_chan->status = DMA_IN_PROGRESS; fsl_chan->idle = false; } @@ -596,7 +597,7 @@ void fsl_edma_xfer_desc(struct fsl_edma_chan *fsl_chan) return; fsl_chan->edesc = to_fsl_edma_desc(vdesc); fsl_edma_set_tcd_regs(fsl_chan, fsl_chan->edesc->tcd[0].vtcd); - fsl_edma_enable_request(fsl_chan); + fsl_chan->edma->drvdata->en_req(fsl_chan); fsl_chan->status = DMA_IN_PROGRESS; fsl_chan->idle = false; } @@ -640,7 +641,7 @@ void fsl_edma_free_chan_resources(struct dma_chan *chan) LIST_HEAD(head); spin_lock_irqsave(&fsl_chan->vchan.lock, flags); - fsl_edma_disable_request(fsl_chan); + fsl_chan->edma->drvdata->dis_req(fsl_chan); fsl_edma_chan_mux(fsl_chan, 0, false); fsl_chan->edesc = NULL; vchan_get_all_descriptors(&fsl_chan->vchan, &head); diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h index ec11697..87c8d7a 100644 --- a/drivers/dma/fsl-edma-common.h +++ b/drivers/dma/fsl-edma-common.h @@ -150,6 +150,8 @@ struct fsl_edma_drvdata { bool mux_swap; int (*setup_irq)(struct platform_device *pdev, struct fsl_edma_engine *fsl_edma); + void (*en_req)(struct fsl_edma_chan *fsl_chan); + void (*dis_req)(struct fsl_edma_chan *fsl_chan); }; struct fsl_edma_engine { @@ -222,6 +224,7 @@ static inline struct fsl_edma_desc *to_fsl_edma_desc(struct virt_dma_desc *vd) } void fsl_edma_disable_request(struct fsl_edma_chan *fsl_chan); +void fsl_edma_enable_request(struct fsl_edma_chan *fsl_chan); void fsl_edma_chan_mux(struct fsl_edma_chan *fsl_chan, unsigned int slot, bool enable); void fsl_edma_free_desc(struct virt_dma_desc *vdesc); diff --git a/drivers/dma/fsl-edma.c b/drivers/dma/fsl-edma.c index 90bb72a..95745636 100644 --- a/drivers/dma/fsl-edma.c +++ b/drivers/dma/fsl-edma.c @@ -83,7 +83,7 @@ static irqreturn_t fsl_edma_err_handler(int irq, void *dev_id) for (ch = 0; ch < fsl_edma->n_chans; ch++) { if (err & (0x1 << ch)) { - fsl_edma_disable_request(&fsl_edma->chans[ch]); + fsl_edma->drvdata->dis_req(&fsl_edma->chans[ch]); edma_writeb(fsl_edma, EDMA_CERR_CERR(ch), regs->cerr); fsl_edma->chans[ch].status = DMA_ERROR; fsl_edma->chans[ch].idle = true; @@ -238,6 +238,8 @@ static struct fsl_edma_drvdata vf610_data = { .version = v1, .dmamuxs = DMAMUX_NR, .setup_irq = fsl_edma_irq_init, + .en_req = fsl_edma_enable_request, + .dis_req = fsl_edma_disable_request, }; static struct fsl_edma_drvdata ls1028a_data = { @@ -245,6 +247,8 @@ static struct fsl_edma_drvdata ls1028a_data = { .dmamuxs = DMAMUX_NR, .mux_swap = true, .setup_irq = fsl_edma_irq_init, + .en_req = fsl_edma_enable_request, + .dis_req = fsl_edma_disable_request, }; static struct fsl_edma_drvdata imx7ulp_data = { @@ -252,6 +256,8 @@ static struct fsl_edma_drvdata imx7ulp_data = { .dmamuxs = 1, .has_dmaclk = true, .setup_irq = fsl_edma2_irq_init, + .en_req = fsl_edma_enable_request, + .dis_req = fsl_edma_disable_request, }; static const struct of_device_id fsl_edma_dt_ids[] = { @@ -444,7 +450,7 @@ static int fsl_edma_suspend_late(struct device *dev) /* Make sure chan is idle or will force disable. */ if (unlikely(!fsl_chan->idle)) { dev_warn(dev, "WARN: There is non-idle channel."); - fsl_edma_disable_request(fsl_chan); + fsl_edma->drvdata->dis_req(fsl_chan); fsl_edma_chan_mux(fsl_chan, 0, false); } diff --git a/drivers/dma/mcf-edma.c b/drivers/dma/mcf-edma.c index e12b754..50e6b9b 100644 --- a/drivers/dma/mcf-edma.c +++ b/drivers/dma/mcf-edma.c @@ -174,6 +174,8 @@ static void mcf_edma_irq_free(struct platform_device *pdev, static struct fsl_edma_drvdata mcf_data = { .version = v2, .setup_irq = mcf_edma_irq_init, + .en_req = fsl_edma_enable_request, + .dis_req = fsl_edma_disable_request, }; 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dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) by VI1PR04MB6943.eurprd04.prod.outlook.com (2603:10a6:803:13a::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.22; Thu, 2 Jul 2020 06:53:46 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d%6]) with mapi id 15.20.3153.024; Thu, 2 Jul 2020 06:53:46 +0000 From: Robin Gong To: vkoul@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, dan.j.williams@intel.com, angelo@sysam.it Subject: [PATCH v1 2/9] dmaengine: fsl-edma-common: add condition check for fsl_edma_chan_mux Date: Thu, 2 Jul 2020 23:08:02 +0800 Message-Id: <1593702489-21648-3-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> References: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.24 via Frontend Transport; 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CAT:NONE; SFTY:; SFS:(4636009)(396003)(136003)(366004)(376002)(39860400002)(346002)(83380400001)(66476007)(6666004)(66946007)(66556008)(52116002)(36756003)(8936002)(2616005)(6486002)(956004)(6512007)(186003)(7416002)(4326008)(26005)(2906002)(8676002)(86362001)(16526019)(4744005)(478600001)(6506007)(5660300002)(316002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: xWOxiCM6cwZJonh1nzh+bHhrNUv9CES5uzKKbylO/2hpaclcReb59+DVwUAmvwKlXLOGzmKkzXERLSnpDEuo104g+AoNvcmm6AWT2TcYyqsLTEqa69Ustk+58dTy9R2Ufkj894NY6uJSlDYTO0DdMwrfMpO3j4v5qTRjVtbUQX9D97+V5fw+OtQonkzCZeroJpWmOtFa4SsFUVMiHy33TBXlM2hnYy+CMBbV7NcnnqP5UrXczqtG4WHZY0h2t8LI79SVXdKvQQ9gl8TxpIkwjooE8hSPkqCjEX+LEnPGrZur0F4gbD+eMieFk7Sk1aVLhHZDqeYeV2x8cD+d7X3MyGYhI624AE2VmJXMAWyGwWjwoIRG++FOw+/i93cfNMO1VdMypOs2kFkPc0gg4eA9XML01h2D5NQhDiUjut/UYnWApKtKJjjYBdF1qf3uF5XhQraPdnKvvnX4KMPCztRF8KGg2KRdnlI5fb9melLzqu4= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 48ce6396-f159-4a1f-f977-08d81e54aa93 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6638.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Jul 2020 06:53:46.4333 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: np4HXcxLulTG5mgEzvPpOpkxHERyozaJEC6tTQ2FAsCaja5fX3aPLrPad/2eZkRwicSmaFLGDVdKhDGEEhIKvQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB6943 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200702_025348_829916_36741AA7 X-CRM114-Status: GOOD ( 10.25 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [40.107.6.42 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.6.42 listed in wl.mailspike.net] 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Since next edma3 don't have dmamux, add condition check in the common fsl_edma_free_chan_resources(). Signed-off-by: Robin Gong --- drivers/dma/fsl-edma-common.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index ef5294f0..d19e8a8 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -642,7 +642,10 @@ void fsl_edma_free_chan_resources(struct dma_chan *chan) spin_lock_irqsave(&fsl_chan->vchan.lock, flags); fsl_chan->edma->drvdata->dis_req(fsl_chan); - fsl_edma_chan_mux(fsl_chan, 0, false); + + if (fsl_chan->edma->drvdata->dmamuxs) + fsl_edma_chan_mux(fsl_chan, 0, false); + fsl_chan->edesc = NULL; vchan_get_all_descriptors(&fsl_chan->vchan, &head); fsl_edma_unprep_slave_dma(fsl_chan); From patchwork Thu Jul 2 15:08:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Gong X-Patchwork-Id: 11637907 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5AA7014E3 for ; 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dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) by VI1PR04MB6943.eurprd04.prod.outlook.com (2603:10a6:803:13a::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.22; Thu, 2 Jul 2020 06:53:51 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d%6]) with mapi id 15.20.3153.024; Thu, 2 Jul 2020 06:53:51 +0000 From: Robin Gong To: vkoul@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, dan.j.williams@intel.com, angelo@sysam.it Subject: [PATCH v1 3/9] dmaengine: fsl-edma-common: add fsl_chan into fsl_edma_fill_tcd Date: Thu, 2 Jul 2020 23:08:03 +0800 Message-Id: <1593702489-21648-4-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> References: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.24 via Frontend Transport; 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CAT:NONE; SFTY:; SFS:(4636009)(396003)(136003)(366004)(376002)(39860400002)(346002)(83380400001)(66476007)(6666004)(66946007)(66556008)(52116002)(36756003)(8936002)(2616005)(6486002)(956004)(6512007)(186003)(7416002)(4326008)(26005)(2906002)(8676002)(86362001)(16526019)(478600001)(6506007)(5660300002)(316002); DIR:OUT; SFP:1101; X-MS-Exchange-AntiSpam-MessageData: UnOjNhF6gqP27lbfNKEQ4kz7meF54Ojzq9sS/Vpny4f1n9QyOOWsNLy7RJc+fu+8qzju0RIHGUzHpt5XwAVTdrpdYYH7d8XunD1i16ZLKnZCdBcPbWbI4pDlElW6zo/3dugIiqbXOJ1+sN826NoblNJA/840J5cBO5bTlK0PX0SMTMS1M4idnA/a/qyAR6FUpJdKkbOrhVZnIDG+lB53bwSF3B1jxUZiwXaSs1u60b42ywjRwReBrGWYbQ/YWwyUwLfc+OIwNgjyEjn3/NpIqwB4I+/RnDEMHKKOI95h1cCEtGuWCPFHx40iuFd4C472aDP3USn3iY8UD+TgbTspgcIqjpQYAfcdGxLwkdDssOyMIzSyrV1QWcjT9TW+7Yi03oRGst7kTnW76BVGugEV50T4vR89EbewknBOIfZwBq0pJxNaFtG1nVt0lq5ghKCOIvfuyXTFcj8JavCbbkV5ej3q2jdDl7/CWOrx3p9jXXo= X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: cf1067fd-40be-4ac3-d72e-08d81e54ad86 X-MS-Exchange-CrossTenant-AuthSource: VE1PR04MB6638.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Jul 2020 06:53:51.2935 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: guxq8xHxOE4pKWhzlG3R07Pzd23A90D0tgRmS1ERZoWMZBqkxhyZialomvychMv6133AWIOftpxJ2CEF+T7O4Q== X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI1PR04MB6943 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200702_025354_157287_C0A6068F X-CRM114-Status: GOOD ( 10.73 ) X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [40.107.7.42 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.7.42 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org For preparing for next edma3 merged so that any member of 'struct fsl_chan' could be used in fsl_edma_fill_tcd. Signed-off-by: Robin Gong --- drivers/dma/fsl-edma-common.c | 25 +++++++++++++------------ 1 file changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index d19e8a8..6ef083c 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -376,7 +376,8 @@ static void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan, } static inline -void fsl_edma_fill_tcd(struct fsl_edma_hw_tcd *tcd, u32 src, u32 dst, +void fsl_edma_fill_tcd(struct fsl_edma_chan *fsl_chan, + struct fsl_edma_hw_tcd *tcd, u32 src, u32 dst, u16 attr, u16 soff, u32 nbytes, u32 slast, u16 citer, u16 biter, u16 doff, u32 dlast_sga, bool major_int, bool disable_req, bool enable_sg) @@ -504,9 +505,9 @@ struct dma_async_tx_descriptor *fsl_edma_prep_dma_cyclic( doff = fsl_chan->cfg.src_addr_width; } - fsl_edma_fill_tcd(fsl_desc->tcd[i].vtcd, src_addr, dst_addr, - fsl_chan->attr, soff, nbytes, 0, iter, - iter, doff, last_sg, true, false, true); + fsl_edma_fill_tcd(fsl_chan, fsl_desc->tcd[i].vtcd, src_addr, + dst_addr, fsl_chan->attr, soff, nbytes, 0, + iter, iter, doff, last_sg, true, false, true); dma_buf_next += period_len; } @@ -569,16 +570,16 @@ struct dma_async_tx_descriptor *fsl_edma_prep_slave_sg( iter = sg_dma_len(sg) / nbytes; if (i < sg_len - 1) { last_sg = fsl_desc->tcd[(i + 1)].ptcd; - fsl_edma_fill_tcd(fsl_desc->tcd[i].vtcd, src_addr, - dst_addr, fsl_chan->attr, soff, - nbytes, 0, iter, iter, doff, last_sg, - false, false, true); + fsl_edma_fill_tcd(fsl_chan, fsl_desc->tcd[i].vtcd, + src_addr, dst_addr, fsl_chan->attr, + soff, nbytes, 0, iter, iter, doff, + last_sg, false, false, true); } else { last_sg = 0; - fsl_edma_fill_tcd(fsl_desc->tcd[i].vtcd, src_addr, - dst_addr, fsl_chan->attr, soff, - nbytes, 0, iter, iter, doff, last_sg, - true, true, false); + fsl_edma_fill_tcd(fsl_chan, fsl_desc->tcd[i].vtcd, + src_addr, dst_addr, fsl_chan->attr, + soff, nbytes, 0, iter, iter, doff, + last_sg, true, true, false); } } From patchwork Thu Jul 2 15:08:04 2020 Content-Type: text/plain; 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Thu, 2 Jul 2020 06:53:56 +0000 From: Robin Gong To: vkoul@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, dan.j.williams@intel.com, angelo@sysam.it Subject: [PATCH v1 4/9] dmaengine: fsl-edma-common: export fsl_edma_set_tcd_regs Date: Thu, 2 Jul 2020 23:08:04 +0800 Message-Id: <1593702489-21648-5-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> References: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.24 via Frontend Transport; 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-static void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan, +void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan, struct fsl_edma_hw_tcd *tcd) { struct fsl_edma_engine *edma = fsl_chan->edma; @@ -374,6 +374,7 @@ static void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan, edma_writew(edma, le16_to_cpu(tcd->csr), ®s->tcd[ch].csr); } +EXPORT_SYMBOL_GPL(fsl_edma_set_tcd_regs); static inline void fsl_edma_fill_tcd(struct fsl_edma_chan *fsl_chan, diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h index 87c8d7a..56f29f3 100644 --- a/drivers/dma/fsl-edma-common.h +++ b/drivers/dma/fsl-edma-common.h @@ -249,5 +249,7 @@ int fsl_edma_alloc_chan_resources(struct dma_chan *chan); void fsl_edma_free_chan_resources(struct dma_chan *chan); void fsl_edma_cleanup_vchan(struct dma_device *dmadev); void fsl_edma_setup_regs(struct fsl_edma_engine *edma); +void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan, + struct fsl_edma_hw_tcd *tcd); #endif /* _FSL_EDMA_COMMON_H_ */ From patchwork Thu Jul 2 15:08:05 2020 Content-Type: text/plain; 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Thu, 2 Jul 2020 06:54:01 +0000 From: Robin Gong To: vkoul@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, dan.j.williams@intel.com, angelo@sysam.it Subject: [PATCH v1 5/9] dmaengine: fsl-edma3: add fsl-edma3 driver Date: Thu, 2 Jul 2020 23:08:05 +0800 Message-Id: <1593702489-21648-6-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> References: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.24 via Frontend Transport; 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Signed-off-by: Robin Gong --- drivers/dma/Kconfig | 12 + drivers/dma/Makefile | 1 + drivers/dma/fsl-edma-common.c | 105 ++++++++- drivers/dma/fsl-edma-common.h | 25 +++ drivers/dma/fsl-edma3.c | 493 ++++++++++++++++++++++++++++++++++++++++++ 5 files changed, 631 insertions(+), 5 deletions(-) create mode 100644 drivers/dma/fsl-edma3.c diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index b70e907..bd39e6b 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -214,6 +214,18 @@ config FSL_EDMA multiplexing capability for DMA request sources(slot). This module can be found on Freescale Vybrid and LS-1 SoCs. +config FSL_EDMA3 + tristate "Freescale eDMA3 engine support" + depends on OF + select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS + help + Support the Freescale/NXP eDMA v3 engine with programmable channel. + This driver is based on FSL_EDMA but big changes come such as + different interrupt for different channel, different register + scope for different channel. + This module can be found on Freescale i.MX8QM/QXP/ULP + config FSL_QDMA tristate "NXP Layerscape qDMA engine support" depends on ARM || ARM64 diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile index e60f813..f3a21a0 100644 --- a/drivers/dma/Makefile +++ b/drivers/dma/Makefile @@ -32,6 +32,7 @@ obj-$(CONFIG_DW_EDMA) += dw-edma/ obj-$(CONFIG_EP93XX_DMA) += ep93xx_dma.o obj-$(CONFIG_FSL_DMA) += fsldma.o obj-$(CONFIG_FSL_EDMA) += fsl-edma.o fsl-edma-common.o +obj-$(CONFIG_FSL_EDMA3) += fsl-edma3.o fsl-edma-common.o obj-$(CONFIG_MCF_EDMA) += mcf-edma.o fsl-edma-common.o obj-$(CONFIG_FSL_QDMA) += fsl-qdma.o obj-$(CONFIG_FSL_RAID) += fsl_raid.o diff --git a/drivers/dma/fsl-edma-common.c b/drivers/dma/fsl-edma-common.c index 05d56d8..e07880c 100644 --- a/drivers/dma/fsl-edma-common.c +++ b/drivers/dma/fsl-edma-common.c @@ -40,6 +40,13 @@ #define EDMA64_ERRH 0x28 #define EDMA64_ERRL 0x2c +#define EDMA3_CSR 0x00 +#define EDMA3_ES 0x04 +#define EDMA3_INT 0x08 +#define EDMA3_SBR 0x0C +#define EDMA3_PRI 0x10 +#define EDMA3_TCD 0x20 + #define EDMA_TCD 0x1000 void fsl_edma_enable_request(struct fsl_edma_chan *fsl_chan) @@ -78,6 +85,38 @@ void fsl_edma_disable_request(struct fsl_edma_chan *fsl_chan) } EXPORT_SYMBOL_GPL(fsl_edma_disable_request); +void fsl_edma3_enable_request(struct fsl_edma_chan *fsl_chan) +{ + struct edma_regs *regs = &fsl_chan->regs; + u32 val; + + val = edma_readl(fsl_chan->edma, regs->sbr); + if (fsl_chan->is_rx) + val |= EDMA3_SBR_RD; + else + val |= EDMA3_SBR_WR; + + if (fsl_chan->is_remote) + val &= ~(EDMA3_SBR_RD | EDMA3_SBR_RD); + + edma_writel(fsl_chan->edma, val, regs->sbr); + + val = edma_readl(fsl_chan->edma, regs->cr); + val |= EDMA3_CSR_ERQ; + edma_writel(fsl_chan->edma, val, regs->cr); +} +EXPORT_SYMBOL_GPL(fsl_edma3_enable_request); + +void fsl_edma3_disable_request(struct fsl_edma_chan *fsl_chan) +{ + struct edma_regs *regs = &fsl_chan->regs; + u32 val = edma_readl(fsl_chan->edma, regs->cr); + + val &= ~EDMA3_CSR_ERQ; + edma_writel(fsl_chan->edma, val, regs->cr); +} +EXPORT_SYMBOL_GPL(fsl_edma3_disable_request); + static void mux_configure8(struct fsl_edma_chan *fsl_chan, void __iomem *addr, u32 off, u32 slot, bool enable) { @@ -272,13 +311,21 @@ static size_t fsl_edma_desc_residue(struct fsl_edma_chan *fsl_chan, struct virt_dma_desc *vdesc, bool in_progress) { struct fsl_edma_desc *edesc = fsl_chan->edesc; - struct edma_regs *regs = &fsl_chan->edma->regs; - u32 ch = fsl_chan->vchan.chan.chan_id; + struct edma_regs *regs; + u32 ch; enum dma_transfer_direction dir = edesc->dirn; dma_addr_t cur_addr, dma_addr; size_t len, size; int i; + if (fsl_chan->edma->drvdata->is_split) { + regs = &fsl_chan->regs; + ch = 0; + } else { + regs = &fsl_chan->edma->regs; + ch = fsl_chan->vchan.chan.chan_id; + } + /* calculate the total size in this desc */ for (len = i = 0; i < fsl_chan->edesc->n_tcds; i++) len += le32_to_cpu(edesc->tcd[i].vtcd->nbytes) @@ -304,6 +351,7 @@ static size_t fsl_edma_desc_residue(struct fsl_edma_chan *fsl_chan, len -= size; if (cur_addr >= dma_addr && cur_addr < dma_addr + size) { len += dma_addr + size - cur_addr; + fsl_chan->processed = i; break; } } @@ -311,6 +359,15 @@ static size_t fsl_edma_desc_residue(struct fsl_edma_chan *fsl_chan, return len; } +/* + * For saving real count for edma3 eeop since thereal count may not be the + * transfer size when the edma channel done interrupt triggered. + */ +void fsl_edma_get_realcnt(struct fsl_edma_chan *fsl_chan) +{ + fsl_chan->chn_real_count = fsl_edma_desc_residue(fsl_chan, NULL, true); +} + enum dma_status fsl_edma_tx_status(struct dma_chan *chan, dma_cookie_t cookie, struct dma_tx_state *txstate) { @@ -320,8 +377,12 @@ enum dma_status fsl_edma_tx_status(struct dma_chan *chan, unsigned long flags; status = dma_cookie_status(chan, cookie, txstate); - if (status == DMA_COMPLETE) + if (status == DMA_COMPLETE) { + spin_lock_irqsave(&fsl_chan->vchan.lock, flags); + txstate->residue = fsl_chan->chn_real_count; + spin_unlock_irqrestore(&fsl_chan->vchan.lock, flags); return status; + } if (!txstate) return fsl_chan->status; @@ -347,8 +408,16 @@ void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan, struct fsl_edma_hw_tcd *tcd) { struct fsl_edma_engine *edma = fsl_chan->edma; - struct edma_regs *regs = &fsl_chan->edma->regs; - u32 ch = fsl_chan->vchan.chan.chan_id; + struct edma_regs *regs; + u32 ch; + + if (edma->drvdata->is_split) { + regs = &fsl_chan->regs; + ch = 0; + } else { + regs = &fsl_chan->edma->regs; + ch = fsl_chan->vchan.chan.chan_id; + } /* * TCD parameters are stored in struct fsl_edma_hw_tcd in little @@ -372,6 +441,10 @@ void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan, edma_writel(edma, le32_to_cpu(tcd->dlast_sga), ®s->tcd[ch].dlast_sga); + /* Clear CHa_CSR[DONE] bit before enable TCDa_CSR[ESG] for edma3 */ + if (edma->drvdata->is_split) + edma_writel(edma, edma_readl(edma, regs->cr), regs->cr); + edma_writew(edma, le16_to_cpu(tcd->csr), ®s->tcd[ch].csr); } EXPORT_SYMBOL_GPL(fsl_edma_set_tcd_regs); @@ -416,6 +489,10 @@ void fsl_edma_fill_tcd(struct fsl_edma_chan *fsl_chan, if (enable_sg) csr |= EDMA_TCD_CSR_E_SG; + /* EEOP for bit6 on edma3 */ + if (fsl_chan->is_rx && fsl_chan->edma->drvdata->is_split) + csr |= EDMA_TCD_CSR_ACTIVE; + tcd->csr = cpu_to_le16(csr); } @@ -602,6 +679,7 @@ void fsl_edma_xfer_desc(struct fsl_edma_chan *fsl_chan) fsl_chan->edma->drvdata->en_req(fsl_chan); fsl_chan->status = DMA_IN_PROGRESS; fsl_chan->idle = false; + fsl_chan->chn_real_count = 0; } EXPORT_SYMBOL_GPL(fsl_edma_xfer_desc); @@ -632,6 +710,10 @@ int fsl_edma_alloc_chan_resources(struct dma_chan *chan) fsl_chan->tcd_pool = dma_pool_create("tcd_pool", chan->device->dev, sizeof(struct fsl_edma_hw_tcd), 32, 0); + + if (fsl_chan->edma->drvdata->is_split) + fsl_chan->edma->drvdata->request_irq(fsl_chan); + return 0; } EXPORT_SYMBOL_GPL(fsl_edma_alloc_chan_resources); @@ -655,6 +737,10 @@ void fsl_edma_free_chan_resources(struct dma_chan *chan) vchan_dma_desc_free_list(&fsl_chan->vchan, &head); dma_pool_destroy(fsl_chan->tcd_pool); + + if (fsl_chan->edma->drvdata->is_split) + fsl_chan->edma->drvdata->free_irq(fsl_chan); + fsl_chan->tcd_pool = NULL; } EXPORT_SYMBOL_GPL(fsl_edma_free_chan_resources); @@ -719,4 +805,13 @@ void fsl_edma_setup_regs(struct fsl_edma_engine *edma) } EXPORT_SYMBOL_GPL(fsl_edma_setup_regs); +void fsl_edma3_setup_regs(struct fsl_edma_chan *fsl_chan) +{ + fsl_chan->regs.cr = fsl_chan->chan_base + EDMA3_CSR; + fsl_chan->regs.intl = fsl_chan->chan_base + EDMA3_INT; + fsl_chan->regs.sbr = fsl_chan->chan_base + EDMA3_SBR; + fsl_chan->regs.tcd = fsl_chan->chan_base + EDMA3_TCD; +} +EXPORT_SYMBOL_GPL(fsl_edma3_setup_regs); + MODULE_LICENSE("GPL v2"); diff --git a/drivers/dma/fsl-edma-common.h b/drivers/dma/fsl-edma-common.h index 56f29f3..624f1db 100644 --- a/drivers/dma/fsl-edma-common.h +++ b/drivers/dma/fsl-edma-common.h @@ -25,6 +25,10 @@ #define EDMA_CINT_CINT(x) ((x) & GENMASK(4, 0)) #define EDMA_CERR_CERR(x) ((x) & GENMASK(4, 0)) +#define EDMA3_SBR_RD BIT(22) +#define EDMA3_SBR_WR BIT(21) +#define EDMA3_CSR_ERQ BIT(0) + #define EDMA_TCD_ATTR_DSIZE(x) (((x) & GENMASK(2, 0))) #define EDMA_TCD_ATTR_DMOD(x) (((x) & GENMASK(4, 0)) << 3) #define EDMA_TCD_ATTR_SSIZE(x) (((x) & GENMASK(2, 0)) << 8) @@ -103,6 +107,7 @@ struct edma_regs { void __iomem *intl; void __iomem *errh; void __iomem *errl; + void __iomem *sbr; struct fsl_edma_hw_tcd __iomem *tcd; }; @@ -126,6 +131,18 @@ struct fsl_edma_chan { u32 dma_dev_size; enum dma_data_direction dma_dir; char chan_name[16]; + /* real transfered count saved for eeop */ + u32 chn_real_count; + /* No. of processed tcd in cyclic */ + u32 processed; + void __iomem *chan_base; + int hw_chanid; + int priority; + int txirq; + struct device *dev; + bool is_rx; + bool is_remote; + struct edma_regs regs; }; struct fsl_edma_desc { @@ -141,10 +158,12 @@ enum edma_version { v1, /* 32ch, Vybrid, mpc57x, etc */ v2, /* 64ch Coldfire */ v3, /* 32ch, i.mx7ulp */ + v4, /* 32ch, i.mx8qm/qxp */ }; struct fsl_edma_drvdata { enum edma_version version; + bool is_split; u32 dmamuxs; bool has_dmaclk; bool mux_swap; @@ -152,6 +171,8 @@ struct fsl_edma_drvdata { struct fsl_edma_engine *fsl_edma); void (*en_req)(struct fsl_edma_chan *fsl_chan); void (*dis_req)(struct fsl_edma_chan *fsl_chan); + int (*request_irq)(struct fsl_edma_chan *fsl_chan); + int (*free_irq)(struct fsl_edma_chan *fsl_chan); }; struct fsl_edma_engine { @@ -225,6 +246,8 @@ static inline struct fsl_edma_desc *to_fsl_edma_desc(struct virt_dma_desc *vd) void fsl_edma_disable_request(struct fsl_edma_chan *fsl_chan); void fsl_edma_enable_request(struct fsl_edma_chan *fsl_chan); +void fsl_edma3_disable_request(struct fsl_edma_chan *fsl_chan); +void fsl_edma3_enable_request(struct fsl_edma_chan *fsl_chan); void fsl_edma_chan_mux(struct fsl_edma_chan *fsl_chan, unsigned int slot, bool enable); void fsl_edma_free_desc(struct virt_dma_desc *vdesc); @@ -233,6 +256,7 @@ int fsl_edma_pause(struct dma_chan *chan); int fsl_edma_resume(struct dma_chan *chan); int fsl_edma_slave_config(struct dma_chan *chan, struct dma_slave_config *cfg); +void fsl_edma_get_realcnt(struct fsl_edma_chan *fsl_chan); enum dma_status fsl_edma_tx_status(struct dma_chan *chan, dma_cookie_t cookie, struct dma_tx_state *txstate); struct dma_async_tx_descriptor *fsl_edma_prep_dma_cyclic( @@ -249,6 +273,7 @@ int fsl_edma_alloc_chan_resources(struct dma_chan *chan); void fsl_edma_free_chan_resources(struct dma_chan *chan); void fsl_edma_cleanup_vchan(struct dma_device *dmadev); void fsl_edma_setup_regs(struct fsl_edma_engine *edma); +void fsl_edma3_setup_regs(struct fsl_edma_chan *fsl_chan); void fsl_edma_set_tcd_regs(struct fsl_edma_chan *fsl_chan, struct fsl_edma_hw_tcd *tcd); diff --git a/drivers/dma/fsl-edma3.c b/drivers/dma/fsl-edma3.c new file mode 100644 index 00000000..1415682 --- /dev/null +++ b/drivers/dma/fsl-edma3.c @@ -0,0 +1,493 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * drivers/dma/fsl-edma3.c + * + * Copyright 2020 NXP + * + * Driver for NXP eDMA3 engine which is based on fsl-edma.c. eDMA3 could + * be found on i.mx8qm/qxp/8ulp etc. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "fsl-edma-common.h" + +#define ARGS_RX BIT(0) +#define ARGS_REMOTE BIT(1) + +/* channel name template define in dts */ +#define CHAN_PREFIX "edma0-chan" +#define CHAN_POSFIX "-tx" + +struct fsl_edma3_engine { + unsigned long irqflag; + struct fsl_edma_engine fsl_edma; +}; + +static struct fsl_edma3_engine *to_fsl_edma3(struct fsl_edma_engine *t) +{ + return container_of(t, struct fsl_edma3_engine, fsl_edma); +} + +static irqreturn_t fsl_edma3_irq_handler(int irq, void *dev_id) +{ + struct fsl_edma_chan *fsl_chan = dev_id; + struct fsl_edma_engine *fsl_edma = fsl_chan->edma; + struct edma_regs *regs = &fsl_chan->regs; + unsigned int intr; + irqreturn_t ret = IRQ_HANDLED; + + spin_lock(&fsl_chan->vchan.lock); + + /* Ignore this interrupt if this channels has been free-ed */ + if (!fsl_chan->tcd_pool) + goto irq_handled; + + intr = edma_readl(fsl_edma, regs->intl); + if (!intr) { + ret = IRQ_NONE; + goto irq_handled; + } + + edma_writel(fsl_edma, 1, regs->intl); + + /* Ignore this interrupt since channel has been disabled already */ + if (!fsl_chan->edesc) + goto irq_handled; + + if (!fsl_chan->edesc->iscyclic) { + fsl_edma_get_realcnt(fsl_chan); + list_del(&fsl_chan->edesc->vdesc.node); + vchan_cookie_complete(&fsl_chan->edesc->vdesc); + fsl_chan->edesc = NULL; + fsl_chan->status = DMA_COMPLETE; + fsl_chan->idle = true; + } else { + vchan_cyclic_callback(&fsl_chan->edesc->vdesc); + } + + if (!fsl_chan->edesc) + fsl_edma_xfer_desc(fsl_chan); + +irq_handled: + spin_unlock(&fsl_chan->vchan.lock); + + return ret; +} + + +static struct dma_chan *fsl_edma3_xlate(struct of_phandle_args *dma_spec, + struct of_dma *ofdma) +{ + struct fsl_edma_engine *fsl_edma = ofdma->of_dma_data; + struct dma_chan *chan, *_chan; + struct fsl_edma_chan *fsl_chan; + + if (dma_spec->args_count != 3) + return NULL; + + mutex_lock(&fsl_edma->fsl_edma_mutex); + list_for_each_entry_safe(chan, _chan, &fsl_edma->dma_dev.channels, + device_node) { + if (chan->client_count) + continue; + fsl_chan = to_fsl_edma_chan(chan); + if (fsl_chan->hw_chanid == dma_spec->args[0]) { + chan = dma_get_slave_channel(chan); + chan->device->privatecnt++; + fsl_chan->priority = dma_spec->args[1]; + fsl_chan->is_rx = dma_spec->args[2] & ARGS_RX; + fsl_chan->is_remote = dma_spec->args[2] & ARGS_REMOTE; + mutex_unlock(&fsl_edma->fsl_edma_mutex); + return chan; + } + } + mutex_unlock(&fsl_edma->fsl_edma_mutex); + + return NULL; +} + +static int +fsl_edma3_parse_chanirq(struct platform_device *pdev, + struct fsl_edma_chan *fsl_chan, int i) +{ + struct device_node *np = pdev->dev.of_node; + const char *txirq_name; + char chanid[3], id_len = 0; + struct resource *res; + unsigned long hwid; + int ret; + /* Get per channel membase */ + res = platform_get_resource(pdev, IORESOURCE_MEM, i); + fsl_chan->chan_base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(fsl_chan->chan_base)) + return PTR_ERR(fsl_chan->chan_base); + + /* Get the hardware chanel id by the channel membase + * channel0:0x10000, channel1:0x20000... total 32 channels + */ + fsl_chan->hw_chanid = (res->start >> 16) & 0x1f; + + ret = of_property_read_string_index(np, "interrupt-names", i, + &txirq_name); + if (ret) { + dev_err(&pdev->dev, "read interrupt-names fail.\n"); + return ret; + } + /* Get channel id length from dts, one-digit or double-digit */ + id_len = strlen(txirq_name) - strlen(CHAN_PREFIX) - + strlen(CHAN_POSFIX); + if (id_len != 2 && id_len != 1) { + dev_err(&pdev->dev, "%s is edmaX-chanX-tx in dts?\n", + res->name); + return -EINVAL; + } + /* Grab channel id from txirq_name */ + strlcpy(chanid, txirq_name + strlen(CHAN_PREFIX), id_len + 1); + + /* check if the channel id match well with hw_chanid */ + ret = kstrtoul(chanid, 0, &hwid); + if (ret || hwid != fsl_chan->hw_chanid) { + dev_err(&pdev->dev, "%s,mismatch id/address!\n", txirq_name); + return -EINVAL; + } + + fsl_chan->txirq = platform_get_irq_byname(pdev, txirq_name); + if (fsl_chan->txirq < 0) { + dev_err(&pdev->dev, "Can't get %s irq.\n", txirq_name); + return -EINVAL; + } + + memcpy(fsl_chan->chan_name, txirq_name, strlen(txirq_name)); + + fsl_edma3_setup_regs(fsl_chan); + + return 0; +} + +static int fsl_edma3_request_chanirq(struct fsl_edma_chan *fsl_chan) +{ + struct fsl_edma3_engine *fsl_edma3 = to_fsl_edma3(fsl_chan->edma); + struct device *fsl_edma3_dev = fsl_edma3->fsl_edma.dma_dev.dev; + const char *txirq_name = fsl_chan->chan_name; + int ret; + + pm_runtime_get_sync(fsl_chan->dev); + + /* clear meaningless pending irq anyway */ + if (edma_readl(&fsl_edma3->fsl_edma, fsl_chan->regs.intl)) + edma_writel(&fsl_edma3->fsl_edma, 1, fsl_chan->regs.intl); + + ret = devm_request_irq(fsl_edma3_dev, fsl_chan->txirq, + fsl_edma3_irq_handler, fsl_edma3->irqflag, txirq_name, + fsl_chan); + if (ret) { + dev_err(fsl_edma3_dev, "Can't register %s IRQ.\n", + txirq_name); + return ret; + } + + return 0; +} + +static int fsl_edma3_free_chanirq(struct fsl_edma_chan *fsl_chan) +{ + struct fsl_edma3_engine *fsl_edma3 = to_fsl_edma3(fsl_chan->edma); + struct device *fsl_edma3_dev = fsl_edma3->fsl_edma.dma_dev.dev; + unsigned long flags; + + devm_free_irq(fsl_edma3_dev, fsl_chan->txirq, fsl_chan); + + spin_lock_irqsave(&fsl_chan->vchan.lock, flags); + + fsl_chan->tcd_pool = NULL; + + if (edma_readl(&fsl_edma3->fsl_edma, fsl_chan->regs.intl)) + edma_writel(&fsl_edma3->fsl_edma, 1, fsl_chan->regs.intl); + + spin_unlock_irqrestore(&fsl_chan->vchan.lock, flags); + + pm_runtime_put_sync(fsl_chan->dev); + + return 0; +} + +static struct fsl_edma_drvdata imx8q_data = { + .version = v4, + .is_split = true, + .en_req = fsl_edma3_enable_request, + .dis_req = fsl_edma3_disable_request, + .request_irq = fsl_edma3_request_chanirq, + .free_irq = fsl_edma3_free_chanirq, +}; + +static const struct of_device_id fsl_edma3_dt_ids[] = { + { .compatible = "fsl,imx8qm-edma", .data = &imx8q_data}, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, fsl_edma3_dt_ids); + +static int fsl_edma3_probe(struct platform_device *pdev) +{ + const struct of_device_id *of_id = + of_match_device(fsl_edma3_dt_ids, &pdev->dev); + struct device_node *np = pdev->dev.of_node; + struct fsl_edma3_engine *fsl_edma3; + struct fsl_edma_engine *fsl_edma; + const struct fsl_edma_drvdata *drvdata = NULL; + struct fsl_edma_chan *fsl_chan; + int len, chans; + int ret, i; + + if (of_id) + drvdata = of_id->data; + if (!drvdata) { + dev_err(&pdev->dev, "unable to find driver data\n"); + return -EINVAL; + } + + ret = of_property_read_u32(np, "dma-channels", &chans); + if (ret) { + dev_err(&pdev->dev, "Can't get dma-channels.\n"); + return ret; + } + + len = sizeof(*fsl_edma3) + sizeof(*fsl_chan) * chans; + fsl_edma3 = devm_kzalloc(&pdev->dev, len, GFP_KERNEL); + if (!fsl_edma3) + return -ENOMEM; + + /* Audio edma rx/tx channel shared interrupt */ + if (of_property_read_bool(np, "shared-interrupt")) + fsl_edma3->irqflag = IRQF_SHARED; + + fsl_edma = &fsl_edma3->fsl_edma; + fsl_edma->drvdata = drvdata; + fsl_edma->n_chans = chans; + mutex_init(&fsl_edma->fsl_edma_mutex); + + INIT_LIST_HEAD(&fsl_edma->dma_dev.channels); + for (i = 0; i < fsl_edma->n_chans; i++) { + struct fsl_edma_chan *fsl_chan = &fsl_edma->chans[i]; + + fsl_chan->edma = fsl_edma; + fsl_chan->pm_state = RUNNING; + fsl_chan->idle = true; + fsl_chan->dma_dir = DMA_NONE; + fsl_chan->vchan.desc_free = fsl_edma_free_desc; + + ret = fsl_edma3_parse_chanirq(pdev, fsl_chan, i); + if (ret) + return ret; + + vchan_init(&fsl_chan->vchan, &fsl_edma->dma_dev); + } + + dma_cap_set(DMA_PRIVATE, fsl_edma->dma_dev.cap_mask); + dma_cap_set(DMA_SLAVE, fsl_edma->dma_dev.cap_mask); + dma_cap_set(DMA_CYCLIC, fsl_edma->dma_dev.cap_mask); + + fsl_edma->dma_dev.dev = &pdev->dev; + fsl_edma->dma_dev.device_alloc_chan_resources + = fsl_edma_alloc_chan_resources; + fsl_edma->dma_dev.device_free_chan_resources + = fsl_edma_free_chan_resources; + fsl_edma->dma_dev.device_tx_status = fsl_edma_tx_status; + fsl_edma->dma_dev.device_prep_slave_sg = fsl_edma_prep_slave_sg; + fsl_edma->dma_dev.device_prep_dma_cyclic = fsl_edma_prep_dma_cyclic; + fsl_edma->dma_dev.device_config = fsl_edma_slave_config; + fsl_edma->dma_dev.device_pause = fsl_edma_pause; + fsl_edma->dma_dev.device_resume = fsl_edma_resume; + fsl_edma->dma_dev.device_terminate_all = fsl_edma_terminate_all; + fsl_edma->dma_dev.device_issue_pending = fsl_edma_issue_pending; + + fsl_edma->dma_dev.src_addr_widths = FSL_EDMA_BUSWIDTHS; + fsl_edma->dma_dev.dst_addr_widths = FSL_EDMA_BUSWIDTHS; + fsl_edma->dma_dev.directions = BIT(DMA_DEV_TO_MEM) | + BIT(DMA_MEM_TO_DEV); + + platform_set_drvdata(pdev, fsl_edma3); + + ret = dma_async_device_register(&fsl_edma->dma_dev); + if (ret) { + dev_err(&pdev->dev, + "Can't register Freescale eDMA engine. (%d)\n", ret); + return ret; + } + + /* Attach power domains from dts for each dma chanel device */ + for (i = 0; i < fsl_edma->n_chans; i++) { + struct fsl_edma_chan *fsl_chan = &fsl_edma->chans[i]; + const char *domn = "edma0-chan01"; + struct device_link *link; + struct device *dev; + + ret = of_property_read_string_index(np, "power-domain-names", + i, &domn); + if (ret) { + dev_err(dev, "parse domain names error.(%d)\n", ret); + ret = -EINVAL; + goto failed_after_register; + } + + dev = dev_pm_domain_attach_by_name(&pdev->dev, domn); + if (IS_ERR_OR_NULL(dev)) { + if (PTR_ERR(dev) == -EPROBE_DEFER) { + ret = -EPROBE_DEFER; + goto failed_after_register; + } + + dev_err(&pdev->dev, "edma channel attach failed.\n"); + ret = -EINVAL; + goto failed_after_register; + } + link = device_link_add(&pdev->dev, dev, DL_FLAG_STATELESS | + DL_FLAG_PM_RUNTIME | DL_FLAG_RPM_ACTIVE); + if (IS_ERR(link)) { + dev_err(&pdev->dev, "Failed to add link to %s: %ld\n", + domn, PTR_ERR(link)); + ret = -EINVAL; + goto failed_after_register; + } + + fsl_chan->dev = dev; + /* clear meaningless pending irq anyway */ + edma_writel(fsl_edma, 1, fsl_chan->regs.intl); + pm_runtime_put_sync(dev); + } + + ret = of_dma_controller_register(np, fsl_edma3_xlate, fsl_edma); + if (ret) { + dev_err(&pdev->dev, + "Can't register Freescale eDMA of_dma. (%d)\n", ret); + goto failed_after_register; + } + + pm_runtime_dont_use_autosuspend(&pdev->dev); + pm_runtime_enable(&pdev->dev); + + return 0; + +failed_after_register: + dma_async_device_unregister(&fsl_edma->dma_dev); + return ret; +} + +static int fsl_edma3_remove(struct platform_device *pdev) +{ + struct fsl_edma3_engine *fsl_edma3 = platform_get_drvdata(pdev); + struct fsl_edma_engine *fsl_edma = &fsl_edma3->fsl_edma; + struct device_node *np = pdev->dev.of_node; + + fsl_edma_cleanup_vchan(&fsl_edma->dma_dev); + of_dma_controller_free(np); + dma_async_device_unregister(&fsl_edma->dma_dev); + + return 0; +} + +static int fsl_edma3_suspend_late(struct device *dev) +{ + struct fsl_edma3_engine *fsl_edma3 = dev_get_drvdata(dev); + struct fsl_edma_engine *fsl_edma = &fsl_edma3->fsl_edma; + struct fsl_edma_chan *fsl_chan; + unsigned long flags; + int i; + + for (i = 0; i < fsl_edma->n_chans; i++) { + fsl_chan = &fsl_edma->chans[i]; + + if (pm_runtime_status_suspended(fsl_chan->dev)) + continue; + + spin_lock_irqsave(&fsl_chan->vchan.lock, flags); + /* Make sure chan is idle or will force disable. */ + if (unlikely(!fsl_chan->idle)) { + dev_warn(dev, "WARN: There is non-idle channel."); + fsl_edma3_disable_request(fsl_chan); + } + /* Get the processed tcd number for resume back */ + if (fsl_chan->edesc) + fsl_edma_get_realcnt(fsl_chan); + + fsl_chan->pm_state = SUSPENDED; + spin_unlock_irqrestore(&fsl_chan->vchan.lock, flags); + } + + return 0; +} + +static int fsl_edma3_resume_early(struct device *dev) +{ + struct fsl_edma3_engine *fsl_edma3 = dev_get_drvdata(dev); + struct fsl_edma_engine *fsl_edma = &fsl_edma3->fsl_edma; + struct fsl_edma_chan *fsl_chan; + unsigned long flags; + int i; + + for (i = 0; i < fsl_edma->n_chans; i++) { + fsl_chan = &fsl_edma->chans[i]; + + if (pm_runtime_status_suspended(fsl_chan->dev)) + continue; + + /* setup tcd before channel resume in case it's paused */ + if (fsl_chan->edesc) { + u32 next = (fsl_chan->processed + 1) % + fsl_chan->edesc->n_tcds; + + fsl_edma_set_tcd_regs(fsl_chan, + fsl_chan->edesc->tcd[next].vtcd); + } + + spin_lock_irqsave(&fsl_chan->vchan.lock, flags); + fsl_chan->pm_state = RUNNING; + spin_unlock_irqrestore(&fsl_chan->vchan.lock, flags); + } + + return 0; +} + +/* + * eDMA provides the service to others, so it should be suspend late + * and resume early. When eDMA suspend, all of the clients should stop + * the DMA data transmission and let the channel idle. + */ +static const struct dev_pm_ops fsl_edma3_pm_ops = { + .suspend_late = fsl_edma3_suspend_late, + .resume_early = fsl_edma3_resume_early, +}; + +static struct platform_driver fsl_edma3_driver = { + .driver = { + .name = "imx8qm-edma", + .of_match_table = fsl_edma3_dt_ids, + .pm = &fsl_edma3_pm_ops, + }, + .probe = fsl_edma3_probe, + .remove = fsl_edma3_remove, +}; + +static int __init fsl_edma3_init(void) +{ + return platform_driver_register(&fsl_edma3_driver); +} +subsys_initcall(fsl_edma3_init); + +static void __exit fsl_edma3_exit(void) +{ + platform_driver_unregister(&fsl_edma3_driver); +} +module_exit(fsl_edma3_exit); + +MODULE_ALIAS("platform:imx8qm-edma"); +MODULE_DESCRIPTION("NXP i.mx8qm/qxp eDMA engine driver"); +MODULE_LICENSE("GPL v2"); From patchwork Thu Jul 2 15:08:06 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Gong X-Patchwork-Id: 11637911 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 841C913BD for ; 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dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=nxp.com; Received: from VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) by VI1PR04MB6943.eurprd04.prod.outlook.com (2603:10a6:803:13a::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3153.22; Thu, 2 Jul 2020 06:54:06 +0000 Received: from VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d]) by VE1PR04MB6638.eurprd04.prod.outlook.com ([fe80::5cc4:23a5:ca17:da7d%6]) with mapi id 15.20.3153.024; Thu, 2 Jul 2020 06:54:06 +0000 From: Robin Gong To: vkoul@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, dan.j.williams@intel.com, angelo@sysam.it Subject: [PATCH v1 6/9] dt-bindings: dma: add fsl-edma3 yaml Date: Thu, 2 Jul 2020 23:08:06 +0800 Message-Id: <1593702489-21648-7-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> References: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.24 via Frontend Transport; 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Signed-off-by: Robin Gong --- .../devicetree/bindings/dma/nxp,fsl-edma3.yaml | 129 +++++++++++++++++++++ 1 file changed, 129 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/nxp,fsl-edma3.yaml diff --git a/Documentation/devicetree/bindings/dma/nxp,fsl-edma3.yaml b/Documentation/devicetree/bindings/dma/nxp,fsl-edma3.yaml new file mode 100644 index 00000000..d1b47a6 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/nxp,fsl-edma3.yaml @@ -0,0 +1,129 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/dma/nxp,fsl-edma3.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: NXP eDMA3 Controller + +maintainers: + - Robin Gong + +allOf: + - $ref: "dma-controller.yaml#" + +properties: + compatible: + items: + - enum: + - fsl,imx8qm-edma # i.mx8qm/qxp + + reg: + maxItems: 1 + + interrupts: + minItems: 2 + maxItems: 32 + + interrupt-names: + minItems: 2 + maxItems: 32 + items: + - pattern: "^edma[0-2]-chan[0-31]-tx|rx+$" + - pattern: "^edma[0-2]-chan[0-31]-tx|rx+$" + - pattern: "^edma[0-2]-chan[0-31]-tx|rx+$" + - pattern: "^edma[0-2]-chan[0-31]-tx|rx+$" + - pattern: "^edma[0-2]-chan[0-31]-tx|rx+$" + - pattern: "^edma[0-2]-chan[0-31]-tx|rx+$" + - pattern: "^edma[0-2]-chan[0-31]-tx|rx+$" + - pattern: "^edma[0-2]-chan[0-31]-tx|rx+$" + + '#dma-cells': + const: 3 + description: | + The 1st cell specifies the channel ID. + + The 2nd cell specifies the channel priority. + + The 3rd cell specifies the channel attributes: + bit0 transmit or receive. + 0 = transmit + 1 = receive + bit1 local or remote access. + 0 = local + 1 = remote + bit2 dualfifo case or not(only in Audio cyclic now). + 0 = not dual fifo case + 1 = dualfifo case. + + dma-channels: + minimum: 2 + maximum: 32 + + power-domains: + minItems: 2 + maxItems: 32 + items: + - pattern: "^edma[0-2]-chan[0-31]$" + - pattern: "^edma[0-2]-chan[0-31]$" + - pattern: "^edma[0-2]-chan[0-31]$" + - pattern: "^edma[0-2]-chan[0-31]$" + - pattern: "^edma[0-2]-chan[0-31]$" + - pattern: "^edma[0-2]-chan[0-31]$" + - pattern: "^edma[0-2]-chan[0-31]$" + - pattern: "^edma[0-2]-chan[0-31]$" + +required: + - compatible + - reg + - interrupts + - interrupt-names + - '#dma-cells' + - dma-channels + - power-domains + - power-domain-names + +additionalProperties: false + +examples: + - | + #include + #include + + edma2: dma-controller@5a1f0000 { + compatible = "fsl,imx8qm-edma"; + reg = <0x5a280000 0x10000>, /* channel8 UART0 rx */ + <0x5a290000 0x10000>, /* channel9 UART0 tx */ + <0x5a2a0000 0x10000>, /* channel10 UART1 rx */ + <0x5a2b0000 0x10000>, /* channel11 UART1 tx */ + <0x5a2c0000 0x10000>, /* channel12 UART2 rx */ + <0x5a2d0000 0x10000>, /* channel13 UART2 tx */ + <0x5a2e0000 0x10000>, /* channel14 UART3 rx */ + <0x5a2f0000 0x10000>; /* channel15 UART3 tx */ + #dma-cells = <3>; + dma-channels = <8>; + interrupts = , + , + , + , + , + , + , + ; + interrupt-names = "edma2-chan8-rx", "edma2-chan9-tx", + "edma2-chan10-rx", "edma2-chan11-tx", + "edma2-chan12-rx", "edma2-chan13-tx", + "edma2-chan14-rx", "edma2-chan15-tx"; + power-domains = <&pd IMX_SC_R_DMA_2_CH8>, + <&pd IMX_SC_R_DMA_2_CH9>, + <&pd IMX_SC_R_DMA_2_CH10>, + <&pd IMX_SC_R_DMA_2_CH11>, + <&pd IMX_SC_R_DMA_2_CH12>, + <&pd IMX_SC_R_DMA_2_CH13>, + <&pd IMX_SC_R_DMA_2_CH14>, + <&pd IMX_SC_R_DMA_2_CH15>; + power-domain-names = "edma2-chan8", "edma2-chan9", + "edma2-chan10", "edma2-chan11", + "edma2-chan12", "edma2-chan13", + "edma2-chan14", "edma2-chan15"; 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X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [40.107.7.81 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.7.81 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org enlarge dma0/dma1 channel resource to 32 and split two parts of dma2 since their resource id are not continouse. Signed-off-by: Robin Gong --- drivers/firmware/imx/scu-pd.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/firmware/imx/scu-pd.c b/drivers/firmware/imx/scu-pd.c index af3d6d9..9818890 100644 --- a/drivers/firmware/imx/scu-pd.c +++ b/drivers/firmware/imx/scu-pd.c @@ -110,9 +110,10 @@ static const struct imx_sc_pd_range imx8qxp_scu_pd_ranges[] = { { "audio-pll1", IMX_SC_R_AUDIO_PLL_1, 1, false, 0 }, { "audio-clk-0", IMX_SC_R_AUDIO_CLK_0, 1, false, 0 }, { "audio-clk-1", IMX_SC_R_AUDIO_CLK_1, 1, false, 0 }, - { "dma0-ch", IMX_SC_R_DMA_0_CH0, 16, true, 0 }, - { "dma1-ch", IMX_SC_R_DMA_1_CH0, 16, true, 0 }, - { "dma2-ch", IMX_SC_R_DMA_2_CH0, 5, true, 0 }, + { "dma0-ch", IMX_SC_R_DMA_0_CH0, 32, true, 0 }, + { "dma1-ch", IMX_SC_R_DMA_1_CH0, 32, true, 0 }, + { "dma2-ch0", IMX_SC_R_DMA_2_CH0, 5, true, 0 }, + { "dma2-ch1", IMX_SC_R_DMA_2_CH5, 27, true, 0 }, { "asrc0", IMX_SC_R_ASRC_0, 1, false, 0 }, { "asrc1", IMX_SC_R_ASRC_1, 1, false, 0 }, { "esai0", IMX_SC_R_ESAI_0, 1, false, 0 }, From patchwork Thu Jul 2 15:08:08 2020 Content-Type: text/plain; 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Thu, 2 Jul 2020 06:54:16 +0000 From: Robin Gong To: vkoul@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com, catalin.marinas@arm.com, will@kernel.org, dan.j.williams@intel.com, angelo@sysam.it Subject: [PATCH v1 8/9] arm64: dts: imx8qxp: add edma2 Date: Thu, 2 Jul 2020 23:08:08 +0800 Message-Id: <1593702489-21648-9-git-send-email-yibin.gong@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> References: <1593702489-21648-1-git-send-email-yibin.gong@nxp.com> X-ClientProxiedBy: SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) To VE1PR04MB6638.eurprd04.prod.outlook.com (2603:10a6:803:119::15) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from robin-OptiPlex-790.ap.freescale.net (119.31.174.67) by SG2PR01CA0172.apcprd01.prod.exchangelabs.com (2603:1096:4:28::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3153.24 via Frontend Transport; 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X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [40.107.6.47 listed in list.dnswl.org] -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.6.47 listed in wl.mailspike.net] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org add edma2 on i.mx8qxp. Signed-off-by: Robin Gong --- arch/arm64/boot/dts/freescale/imx8qxp.dtsi | 38 ++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi index e46faac..3f4fa59d 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi @@ -300,6 +300,44 @@ status = "disabled"; }; + edma2: dma-controller@5a1f0000 { + compatible = "fsl,imx8qm-edma"; + reg = <0x5a280000 0x10000>, /* channel8 UART0 rx */ + <0x5a290000 0x10000>, /* channel9 UART0 tx */ + <0x5a2a0000 0x10000>, /* channel10 UART1 rx */ + <0x5a2b0000 0x10000>, /* channel11 UART1 tx */ + <0x5a2c0000 0x10000>, /* channel12 UART2 rx */ + <0x5a2d0000 0x10000>, /* channel13 UART2 tx */ + <0x5a2e0000 0x10000>, /* channel14 UART3 rx */ + <0x5a2f0000 0x10000>; /* channel15 UART3 tx */ + #dma-cells = <3>; + dma-channels = <8>; + interrupts = , + , + , + , + , + , + , + ; + interrupt-names = "edma2-chan8-rx", "edma2-chan9-tx", + "edma2-chan10-rx", "edma2-chan11-tx", + "edma2-chan12-rx", "edma2-chan13-tx", + "edma2-chan14-rx", "edma2-chan15-tx"; + power-domains = <&pd IMX_SC_R_DMA_2_CH8>, + <&pd IMX_SC_R_DMA_2_CH9>, + <&pd IMX_SC_R_DMA_2_CH10>, + <&pd IMX_SC_R_DMA_2_CH11>, + <&pd IMX_SC_R_DMA_2_CH12>, + <&pd IMX_SC_R_DMA_2_CH13>, + <&pd IMX_SC_R_DMA_2_CH14>, + <&pd IMX_SC_R_DMA_2_CH15>; + power-domain-names = "edma2-chan8", "edma2-chan9", + "edma2-chan10", "edma2-chan11", + "edma2-chan12", "edma2-chan13", + "edma2-chan14", "edma2-chan15"; + }; + adma_i2c0: i2c@5a800000 { compatible = "fsl,imx8qxp-lpi2c", "fsl,imx7ulp-lpi2c"; reg = <0x5a800000 0x4000>; From patchwork Thu Jul 2 15:08:09 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robin Gong X-Patchwork-Id: 11637919 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E210213BD for ; Thu, 2 Jul 2020 06:56:24 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 6F2ED2085B for ; 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X-Spam-Score: -0.9 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.9 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_MSPIKE_H2 RBL: Average reputation (+2) [40.107.6.59 listed in wl.mailspike.net] -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at https://www.dnswl.org/, low trust [40.107.6.59 listed in list.dnswl.org] -0.0 SPF_HELO_PASS SPF: HELO matches SPF record 0.0 DATE_IN_FUTURE_06_12 Date: is 6 to 12 hours after Received: date -0.0 SPF_PASS SPF: sender matches SPF record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.0 MSGID_FROM_MTA_HEADER Message-Id was added by a relay X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, kernel@pengutronix.de, dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Add CONFIG_FSL_EDMA3 for i.mx8qxp/i.mx8qm. Signed-off-by: Robin Gong --- arch/arm64/configs/defconfig | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig index ae76fae..d786bd9 100644 --- a/arch/arm64/configs/defconfig +++ b/arch/arm64/configs/defconfig @@ -770,6 +770,7 @@ CONFIG_DMADEVICES=y CONFIG_DMA_BCM2835=y CONFIG_DMA_SUN6I=m CONFIG_FSL_EDMA=y +CONFIG_FSL_EDMA3=y CONFIG_IMX_SDMA=y CONFIG_K3_DMA=y CONFIG_MV_XOR=y