Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756771Ab3GWKus (ORCPT ); Tue, 23 Jul 2013 06:50:48 -0400 Received: from moutng.kundenserver.de ([212.227.126.171]:49228 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753059Ab3GWKuO (ORCPT ); Tue, 23 Jul 2013 06:50:14 -0400 From: Guennadi Liakhovetski To: linux-kernel@vger.kernel.org Cc: Magnus Damm , Simon Horman , Laurent Pinchart , Vinod Koul , linux-sh@vger.kernel.org, Sergei Shtylyov , Guennadi Liakhovetski Subject: [PATCH v4 02/15] DMA: shdma: add r8a7740 DMAC data to the device ID table Date: Tue, 23 Jul 2013 12:49:56 +0200 Message-Id: <1374576609-27748-3-git-send-email-g.liakhovetski@gmx.de> X-Mailer: git-send-email 1.7.2.5 In-Reply-To: <1374576609-27748-1-git-send-email-g.liakhovetski@gmx.de> References: <1374576609-27748-1-git-send-email-g.liakhovetski@gmx.de> X-Provags-ID: V02:K0:UHfzl2VtPOZ8vKrLDqUFL6p+0jFOdDqKsJzFUIbigK9 SGB1EhoPTQh6KFdN67ew97gRnqrwItSDPIeS+kxs+l0K6Uy4E8 +X4yMIF5w97mMes9pqiZItoqpjJvXY5j46tbKVc48ZCGKpOxkL Llzk8QflfE/M096lIopqHZ7BGoV21p0sFIl6/1Y2tfsJa4bHLc 2R3RotHiRjsFJlPk8h+cR0kGxLaIQXnyAb3nF/sglqqSaDFwRG VkiwjLhWwibEQP6knnKiDqCYlKnaTtClUykcwqOE/4g9eAkRUS 8IxUE5+n9bheMBRO2j9RXnLEwNBP78rUj4Qc5Wbg6AgxxbMiWe 7ZFzv4QiSik8m+zfGKF1gMIZf6EiKqTi4G7quWNj3UQmeACj0+ 25Wio3oUMo79g== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 5187 Lines: 176 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 --- v4: make struct sh_dmae_pdata r8a7740_dma_pdata "const" 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..b7ae8ef --- /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), +}; + +const 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 const 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 751a4e3..fe54cda 100644 --- a/drivers/dma/sh/shdmac.c +++ b/drivers/dma/sh/shdmac.c @@ -907,6 +907,7 @@ 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); -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/