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authorBoojin Kim <boojin.kim@samsung.com>2011-09-02 02:44:34 +0200
committerVinod Koul <vinod.koul@intel.com>2011-09-14 07:40:01 +0200
commitaa0de00e4b9b3adba5db5ef5ee01e61b1b2e4329 (patch)
tree1ee82573afe3ed777f29609b5c7e48d3d369c347 /arch/arm/plat-samsung/include/plat/dma-pl330.h
parentDMA: PL330: Add DMA_CYCLIC capability (diff)
downloadlinux-aa0de00e4b9b3adba5db5ef5ee01e61b1b2e4329.tar.xz
linux-aa0de00e4b9b3adba5db5ef5ee01e61b1b2e4329.zip
ARM: SAMSUNG: Update to use PL330-DMA driver
This patch adds to support PL330-DMA driver on DMADEVICE for S5P SoCs. Signed-off-by: Boojin Kim <boojin.kim@samsung.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'arch/arm/plat-samsung/include/plat/dma-pl330.h')
-rw-r--r--arch/arm/plat-samsung/include/plat/dma-pl330.h98
1 files changed, 98 insertions, 0 deletions
diff --git a/arch/arm/plat-samsung/include/plat/dma-pl330.h b/arch/arm/plat-samsung/include/plat/dma-pl330.h
new file mode 100644
index 000000000000..0a5dade0e85c
--- /dev/null
+++ b/arch/arm/plat-samsung/include/plat/dma-pl330.h
@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ * Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __DMA_PL330_H_
+#define __DMA_PL330_H_ __FILE__
+
+#define S3C2410_DMAF_AUTOSTART (1 << 0)
+#define S3C2410_DMAF_CIRCULAR (1 << 1)
+
+/*
+ * PL330 can assign any channel to communicate with
+ * any of the peripherals attched to the DMAC.
+ * For the sake of consistency across client drivers,
+ * We keep the channel names unchanged and only add
+ * missing peripherals are added.
+ * Order is not important since DMA PL330 API driver
+ * use these just as IDs.
+ */
+enum dma_ch {
+ DMACH_UART0_RX,
+ DMACH_UART0_TX,
+ DMACH_UART1_RX,
+ DMACH_UART1_TX,
+ DMACH_UART2_RX,
+ DMACH_UART2_TX,
+ DMACH_UART3_RX,
+ DMACH_UART3_TX,
+ DMACH_UART4_RX,
+ DMACH_UART4_TX,
+ DMACH_UART5_RX,
+ DMACH_UART5_TX,
+ DMACH_USI_RX,
+ DMACH_USI_TX,
+ DMACH_IRDA,
+ DMACH_I2S0_RX,
+ DMACH_I2S0_TX,
+ DMACH_I2S0S_TX,
+ DMACH_I2S1_RX,
+ DMACH_I2S1_TX,
+ DMACH_I2S2_RX,
+ DMACH_I2S2_TX,
+ DMACH_SPI0_RX,
+ DMACH_SPI0_TX,
+ DMACH_SPI1_RX,
+ DMACH_SPI1_TX,
+ DMACH_SPI2_RX,
+ DMACH_SPI2_TX,
+ DMACH_AC97_MICIN,
+ DMACH_AC97_PCMIN,
+ DMACH_AC97_PCMOUT,
+ DMACH_EXTERNAL,
+ DMACH_PWM,
+ DMACH_SPDIF,
+ DMACH_HSI_RX,
+ DMACH_HSI_TX,
+ DMACH_PCM0_TX,
+ DMACH_PCM0_RX,
+ DMACH_PCM1_TX,
+ DMACH_PCM1_RX,
+ DMACH_PCM2_TX,
+ DMACH_PCM2_RX,
+ DMACH_MSM_REQ3,
+ DMACH_MSM_REQ2,
+ DMACH_MSM_REQ1,
+ DMACH_MSM_REQ0,
+ DMACH_SLIMBUS0_RX,
+ DMACH_SLIMBUS0_TX,
+ DMACH_SLIMBUS0AUX_RX,
+ DMACH_SLIMBUS0AUX_TX,
+ DMACH_SLIMBUS1_RX,
+ DMACH_SLIMBUS1_TX,
+ DMACH_SLIMBUS2_RX,
+ DMACH_SLIMBUS2_TX,
+ DMACH_SLIMBUS3_RX,
+ DMACH_SLIMBUS3_TX,
+ DMACH_SLIMBUS4_RX,
+ DMACH_SLIMBUS4_TX,
+ DMACH_SLIMBUS5_RX,
+ DMACH_SLIMBUS5_TX,
+ /* END Marker, also used to denote a reserved channel */
+ DMACH_MAX,
+};
+
+static inline bool s3c_dma_has_circular(void)
+{
+ return true;
+}
+
+#include <plat/dma.h>
+
+#endif /* __DMA_PL330_H_ */