From patchwork Fri Jul 12 13:43:52 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guennadi Liakhovetski X-Patchwork-Id: 2826955 Return-Path: X-Original-To: patchwork-linux-sh@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id E4053C0AB2 for ; Fri, 12 Jul 2013 13:45:26 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A7EBA20172 for ; Fri, 12 Jul 2013 13:45:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BDA7520176 for ; Fri, 12 Jul 2013 13:45:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964972Ab3GLNow (ORCPT ); Fri, 12 Jul 2013 09:44:52 -0400 Received: from moutng.kundenserver.de ([212.227.126.187]:62499 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964876Ab3GLNoG (ORCPT ); Fri, 12 Jul 2013 09:44:06 -0400 Received: from axis700.grange (dslb-178-001-224-050.pools.arcor-ip.net [178.1.224.50]) by mrelayeu.kundenserver.de (node=mreu0) with ESMTP (Nemesis) id 0LjOHr-1UShbE17Z1-00dJew; Fri, 12 Jul 2013 15:43:59 +0200 Received: from 6a.grange (6a.grange [192.168.1.11]) by axis700.grange (Postfix) with ESMTPS id 942A340BB4; Fri, 12 Jul 2013 15:43:58 +0200 (CEST) Received: from lyakh by 6a.grange with local (Exim 4.72) (envelope-from ) id 1Uxdde-0004oq-D5; Fri, 12 Jul 2013 15:43:58 +0200 From: Guennadi Liakhovetski To: linux-kernel@vger.kernel.org Cc: linux-sh@vger.kernel.org, Magnus Damm , Simon Horman , Vinod Koul , Laurent Pinchart , Guennadi Liakhovetski Subject: [PATCH 2/8] DMA: shdma: add r8a7740 DMAC data to the device ID table Date: Fri, 12 Jul 2013 15:43:52 +0200 Message-Id: <1373636638-18496-3-git-send-email-g.liakhovetski@gmx.de> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1373636638-18496-1-git-send-email-g.liakhovetski@gmx.de> References: <1373636638-18496-1-git-send-email-g.liakhovetski@gmx.de> X-Provags-ID: V02:K0:3cSsUIbH9h2Orcr1lM6Ka0Hdfdj7bVc8mwwWujnpU7F qcBQCKMSj7mLv1FCsn78ss72x57NQ2MwQ1ENRG+BIJDddWwA5G Q63jUEH4j8jC66GoK+djGf6JBMm/UUEXFurF4oF+LFeKflEOBk S9oDvkoUs6FkeeTX9r2csbaZb9sUntQFUq4nwDqXH9kZkuaxNp vog9Vg1cOhDxabxC+kN0XXhZu/GBARSTObug1G0j4k/NNRoOUN 6ekzE8suRMO3hPoWxe2AIaFlZkZcNk3vdhjcSY5dlswU+yTm/p CnMVgWfH2ipMUMfrLkN226KOv4HUcc8ravB5QTf76m0pjL8mAj vQfxO4LvqMIdZbVoMx602erCdyiJsA2BM16yCvo95VpVqdN7vp PX8V3LyD7JEPA== Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org X-Spam-Status: No, score=-7.2 required=5.0 tests=BAYES_00,FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This configuration data will be re-used, when DMAC DT support is added to r8a7740, DMAC platform data in setup-r8a7740.c will be removed. Signed-off-by: Guennadi Liakhovetski --- drivers/dma/sh/Kconfig | 4 ++ drivers/dma/sh/Makefile | 1 + drivers/dma/sh/shdma-r8a7740.c | 95 ++++++++++++++++++++++++++++++++++++++++ drivers/dma/sh/shdma.h | 7 +++ drivers/dma/sh/shdmac.c | 1 + 5 files changed, 108 insertions(+), 0 deletions(-) create mode 100644 drivers/dma/sh/shdma-r8a7740.c diff --git a/drivers/dma/sh/Kconfig b/drivers/dma/sh/Kconfig index 5c1dee2..0ac3e94 100644 --- a/drivers/dma/sh/Kconfig +++ b/drivers/dma/sh/Kconfig @@ -22,3 +22,7 @@ config SUDMAC depends on SH_DMAE_BASE help Enable support for the Renesas SUDMAC controllers. + +config SHDMA_R8A7740 + def_bool y + depends on ARCH_R8A7740 && SH_DMAE != n diff --git a/drivers/dma/sh/Makefile b/drivers/dma/sh/Makefile index 893ee09..acdd3cb 100644 --- a/drivers/dma/sh/Makefile +++ b/drivers/dma/sh/Makefile @@ -1,5 +1,6 @@ obj-$(CONFIG_SH_DMAE_BASE) += shdma-base.o shdma-of.o obj-$(CONFIG_SH_DMAE) += shdma.o shdma-y := shdmac.o +shdma-$(CONFIG_SHDMA_R8A7740) += shdma-r8a7740.o shdma-objs := $(shdma-y) obj-$(CONFIG_SUDMAC) += sudmac.o diff --git a/drivers/dma/sh/shdma-r8a7740.c b/drivers/dma/sh/shdma-r8a7740.c new file mode 100644 index 0000000..2597e2c --- /dev/null +++ b/drivers/dma/sh/shdma-r8a7740.c @@ -0,0 +1,95 @@ +#include + +#include +#include + +static const struct sh_dmae_slave_config r8a7740_dmae_slaves[] = { + { + .slave_id = SHDMA_SLAVE_SDHI0_TX, + .addr = 0xe6850030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc1, + }, { + .slave_id = SHDMA_SLAVE_SDHI0_RX, + .addr = 0xe6850030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xc2, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_TX, + .addr = 0xe6860030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xc9, + }, { + .slave_id = SHDMA_SLAVE_SDHI1_RX, + .addr = 0xe6860030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xca, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_TX, + .addr = 0xe6870030, + .chcr = CHCR_TX(XMIT_SZ_16BIT), + .mid_rid = 0xcd, + }, { + .slave_id = SHDMA_SLAVE_SDHI2_RX, + .addr = 0xe6870030, + .chcr = CHCR_RX(XMIT_SZ_16BIT), + .mid_rid = 0xce, + }, { + .slave_id = SHDMA_SLAVE_FSIA_TX, + .addr = 0xfe1f0024, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xb1, + }, { + .slave_id = SHDMA_SLAVE_FSIA_RX, + .addr = 0xfe1f0020, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xb2, + }, { + .slave_id = SHDMA_SLAVE_FSIB_TX, + .addr = 0xfe1f0064, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xb5, + }, { + .slave_id = SHDMA_SLAVE_MMCIF_TX, + .addr = 0xe6bd0034, + .chcr = CHCR_TX(XMIT_SZ_32BIT), + .mid_rid = 0xd1, + }, { + .slave_id = SHDMA_SLAVE_MMCIF_RX, + .addr = 0xe6bd0034, + .chcr = CHCR_RX(XMIT_SZ_32BIT), + .mid_rid = 0xd2, + }, +}; + +#define DMA_CHANNEL(a, b, c) \ +{ \ + .offset = a, \ + .dmars = b, \ + .dmars_bit = c, \ + .chclr_offset = (0x220 - 0x20) + a \ +} + +static const struct sh_dmae_channel r8a7740_dmae_channels[] = { + DMA_CHANNEL(0x00, 0, 0), + DMA_CHANNEL(0x10, 0, 8), + DMA_CHANNEL(0x20, 4, 0), + DMA_CHANNEL(0x30, 4, 8), + DMA_CHANNEL(0x50, 8, 0), + DMA_CHANNEL(0x60, 8, 8), +}; + +struct sh_dmae_pdata r8a7740_dma_pdata = { + .slave = r8a7740_dmae_slaves, + .slave_num = ARRAY_SIZE(r8a7740_dmae_slaves), + .channel = r8a7740_dmae_channels, + .channel_num = ARRAY_SIZE(r8a7740_dmae_channels), + .ts_low_shift = TS_LOW_SHIFT, + .ts_low_mask = TS_LOW_BIT << TS_LOW_SHIFT, + .ts_high_shift = TS_HI_SHIFT, + .ts_high_mask = TS_HI_BIT << TS_HI_SHIFT, + .ts_shift = dma_ts_shift, + .ts_shift_num = ARRAY_SIZE(dma_ts_shift), + .dmaor_init = DMAOR_DME, + .chclr_present = 1, +}; diff --git a/drivers/dma/sh/shdma.h b/drivers/dma/sh/shdma.h index 06aae6e..b5fe545 100644 --- a/drivers/dma/sh/shdma.h +++ b/drivers/dma/sh/shdma.h @@ -61,4 +61,11 @@ struct sh_dmae_desc { #define to_sh_dev(chan) container_of(chan->shdma_chan.dma_chan.device,\ struct sh_dmae_device, shdma_dev.dma_dev) +#ifdef CONFIG_SHDMA_R8A7740 +extern struct sh_dmae_pdata r8a7740_dma_pdata; +#define r8a7740_shdma_devid &r8a7740_dma_pdata +#else +#define r8a7740_shdma_devid NULL +#endif + #endif /* __DMA_SHDMA_H */ diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c index 3c5634e..9e724ae 100644 --- a/drivers/dma/sh/shdmac.c +++ b/drivers/dma/sh/shdmac.c @@ -923,6 +923,7 @@ MODULE_DEVICE_TABLE(of, sh_dmae_of_match); const struct platform_device_id sh_dmae_id_table[] = { {.name = SH_DMAE_DRV_NAME,}, + {.name = "shdma-r8a7740", .driver_data = (kernel_ulong_t)r8a7740_shdma_devid,}, {} }; MODULE_DEVICE_TABLE(platform, sh_dmae_id_table);