From patchwork Tue Nov 17 10:56:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Ujfalusi X-Patchwork-Id: 11911955 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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 7F06DC63798 for ; Tue, 17 Nov 2020 10:56:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2C21624654 for ; Tue, 17 Nov 2020 10:56:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=ti.com header.i=@ti.com header.b="SMRzKQXp" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728011AbgKQK40 (ORCPT ); Tue, 17 Nov 2020 05:56:26 -0500 Received: from fllv0015.ext.ti.com ([198.47.19.141]:59616 "EHLO fllv0015.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727993AbgKQK4Z (ORCPT ); Tue, 17 Nov 2020 05:56:25 -0500 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0015.ext.ti.com (8.15.2/8.15.2) with ESMTP id 0AHAuJPA019540; Tue, 17 Nov 2020 04:56:19 -0600 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1605610579; bh=Qm1lw36/mMXKb0+Q2tfyWktKFazIJEYt1QeJaMROv28=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=SMRzKQXpVj5wy9T6BX952pP/fQGcXLhqury0w+shuJC3hcWYHUqRdYVEaBnl0KpdB muYnaNU3PMEcLGQZOlai0V+YwcEGUilVMjgxhrmi5jqsMVYtzAwTgo2saCCUxfUX90 FcloXYb8gkaODMhCmOc1JTAkHZu/FQBH332Ruq2c= Received: from DLEE105.ent.ti.com (dlee105.ent.ti.com [157.170.170.35]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 0AHAuJKL009963 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 17 Nov 2020 04:56:19 -0600 Received: from DLEE108.ent.ti.com (157.170.170.38) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3; Tue, 17 Nov 2020 04:56:18 -0600 Received: from lelv0327.itg.ti.com (10.180.67.183) by DLEE108.ent.ti.com (157.170.170.38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1979.3 via Frontend Transport; Tue, 17 Nov 2020 04:56:18 -0600 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id 0AHAu6tn087311; Tue, 17 Nov 2020 04:56:16 -0600 From: Peter Ujfalusi To: , , , CC: , , , , , , , Subject: [PATCH v2 03/19] dmaengine: ti: k3-udma: Add support for second resource range from sysfw Date: Tue, 17 Nov 2020 12:56:40 +0200 Message-ID: <20201117105656.5236-4-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201117105656.5236-1-peter.ujfalusi@ti.com> References: <20201117105656.5236-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org Resource allocation via sysfw can use up to two ranges per resource subtype to support more complex resource assignment, mainly for DMA channels. Take the second range also into consideration when setting up the maps for available resources. Signed-off-by: Peter Ujfalusi --- drivers/dma/ti/k3-udma.c | 55 ++++++++++++++++++++++------------------ 1 file changed, 31 insertions(+), 24 deletions(-) diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index eee43757e774..b89afa602532 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -3174,12 +3174,22 @@ static int udma_get_mmrs(struct platform_device *pdev, struct udma_dev *ud) return 0; } +static void udma_mark_resource_ranges(struct udma_dev *ud, unsigned long *map, + struct ti_sci_resource_desc *rm_desc, + char *name) +{ + bitmap_clear(map, rm_desc->start, rm_desc->num); + bitmap_clear(map, rm_desc->start_sec, rm_desc->num_sec); + dev_dbg(ud->dev, "ti_sci resource range for %s: %d:%d | %d:%d\n", name, + rm_desc->start, rm_desc->num, rm_desc->start_sec, + rm_desc->num_sec); +} + static int udma_setup_resources(struct udma_dev *ud) { struct device *dev = ud->dev; int ch_count, ret, i, j; u32 cap2, cap3; - struct ti_sci_resource_desc *rm_desc; struct ti_sci_resource *rm_res, irq_res; struct udma_tisci_rm *tisci_rm = &ud->tisci_rm; static const char * const range_names[] = { "ti,sci-rm-range-tchan", @@ -3264,13 +3274,9 @@ static int udma_setup_resources(struct udma_dev *ud) bitmap_zero(ud->tchan_map, ud->tchan_cnt); } else { bitmap_fill(ud->tchan_map, ud->tchan_cnt); - for (i = 0; i < rm_res->sets; i++) { - rm_desc = &rm_res->desc[i]; - bitmap_clear(ud->tchan_map, rm_desc->start, - rm_desc->num); - dev_dbg(dev, "ti-sci-res: tchan: %d:%d\n", - rm_desc->start, rm_desc->num); - } + for (i = 0; i < rm_res->sets; i++) + udma_mark_resource_ranges(ud, ud->tchan_map, + &rm_res->desc[i], "tchan"); } irq_res.sets = rm_res->sets; @@ -3280,13 +3286,9 @@ static int udma_setup_resources(struct udma_dev *ud) bitmap_zero(ud->rchan_map, ud->rchan_cnt); } else { bitmap_fill(ud->rchan_map, ud->rchan_cnt); - for (i = 0; i < rm_res->sets; i++) { - rm_desc = &rm_res->desc[i]; - bitmap_clear(ud->rchan_map, rm_desc->start, - rm_desc->num); - dev_dbg(dev, "ti-sci-res: rchan: %d:%d\n", - rm_desc->start, rm_desc->num); - } + for (i = 0; i < rm_res->sets; i++) + udma_mark_resource_ranges(ud, ud->rchan_map, + &rm_res->desc[i], "rchan"); } irq_res.sets += rm_res->sets; @@ -3295,12 +3297,21 @@ static int udma_setup_resources(struct udma_dev *ud) for (i = 0; i < rm_res->sets; i++) { irq_res.desc[i].start = rm_res->desc[i].start; irq_res.desc[i].num = rm_res->desc[i].num; + irq_res.desc[i].start_sec = rm_res->desc[i].start_sec; + irq_res.desc[i].num_sec = rm_res->desc[i].num_sec; } rm_res = tisci_rm->rm_ranges[RM_RANGE_RCHAN]; for (j = 0; j < rm_res->sets; j++, i++) { - irq_res.desc[i].start = rm_res->desc[j].start + + if (rm_res->desc[j].num) { + irq_res.desc[i].start = rm_res->desc[j].start + ud->soc_data->rchan_oes_offset; - irq_res.desc[i].num = rm_res->desc[j].num; + irq_res.desc[i].num = rm_res->desc[j].num; + } + if (rm_res->desc[j].num_sec) { + irq_res.desc[i].start_sec = rm_res->desc[j].start_sec + + ud->soc_data->rchan_oes_offset; + irq_res.desc[i].num_sec = rm_res->desc[j].num_sec; + } } ret = ti_sci_inta_msi_domain_alloc_irqs(ud->dev, &irq_res); kfree(irq_res.desc); @@ -3316,13 +3327,9 @@ static int udma_setup_resources(struct udma_dev *ud) bitmap_clear(ud->rflow_gp_map, ud->rchan_cnt, ud->rflow_cnt - ud->rchan_cnt); } else { - for (i = 0; i < rm_res->sets; i++) { - rm_desc = &rm_res->desc[i]; - bitmap_clear(ud->rflow_gp_map, rm_desc->start, - rm_desc->num); - dev_dbg(dev, "ti-sci-res: rflow: %d:%d\n", - rm_desc->start, rm_desc->num); - } + for (i = 0; i < rm_res->sets; i++) + udma_mark_resource_ranges(ud, ud->rflow_gp_map, + &rm_res->desc[i], "gp-rflow"); } ch_count -= bitmap_weight(ud->tchan_map, ud->tchan_cnt);