1 files changed, 67 insertions, 0 deletions

diff --git a/include/linux/platform_data/dma-imx.h b/include/linux/platform_data/dma-imx.h
new file mode 100644
index 000000000000..1b9080385b46
--- /dev/null
+++ b/include/linux/platform_data/dma-imx.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __ASM_ARCH_MXC_DMA_H__
+#define __ASM_ARCH_MXC_DMA_H__
+
+#include <linux/scatterlist.h>
+#include <linux/device.h>
+#include <linux/dmaengine.h>
+
+/*
+ * This enumerates peripheral types. Used for SDMA.
+ */
+enum sdma_peripheral_type {
+        IMX_DMATYPE_SSI,        /* MCU domain SSI */
+        IMX_DMATYPE_SSI_SP,     /* Shared SSI */
+        IMX_DMATYPE_MMC,        /* MMC */
+        IMX_DMATYPE_SDHC,       /* SDHC */
+        IMX_DMATYPE_UART,       /* MCU domain UART */
+        IMX_DMATYPE_UART_SP,    /* Shared UART */
+        IMX_DMATYPE_FIRI,       /* FIRI */
+        IMX_DMATYPE_CSPI,       /* MCU domain CSPI */
+        IMX_DMATYPE_CSPI_SP,    /* Shared CSPI */
+        IMX_DMATYPE_SIM,        /* SIM */
+        IMX_DMATYPE_ATA,        /* ATA */
+        IMX_DMATYPE_CCM,        /* CCM */
+        IMX_DMATYPE_EXT,        /* External peripheral */
+        IMX_DMATYPE_MSHC,       /* Memory Stick Host Controller */
+        IMX_DMATYPE_MSHC_SP,    /* Shared Memory Stick Host Controller */
+        IMX_DMATYPE_DSP,        /* DSP */
+        IMX_DMATYPE_MEMORY,     /* Memory */
+        IMX_DMATYPE_FIFO_MEMORY,/* FIFO type Memory */
+        IMX_DMATYPE_SPDIF,      /* SPDIF */
+        IMX_DMATYPE_IPU_MEMORY, /* IPU Memory */
+        IMX_DMATYPE_ASRC,       /* ASRC */
+        IMX_DMATYPE_ESAI,       /* ESAI */
+};
+
+enum imx_dma_prio {
+        DMA_PRIO_HIGH = 0,
+        DMA_PRIO_MEDIUM = 1,
+        DMA_PRIO_LOW = 2
+};
+
+struct imx_dma_data {
+        int dma_request; /* DMA request line */
+        enum sdma_peripheral_type peripheral_type;
+        int priority;
+};
+
+static inline int imx_dma_is_ipu(struct dma_chan *chan)
+{
+        return !strcmp(dev_name(chan->device->dev), "ipu-core");
+}
+
+static inline int imx_dma_is_general_purpose(struct dma_chan *chan)
+{
+        return strstr(dev_name(chan->device->dev), "sdma") ||
+                !strcmp(dev_name(chan->device->dev), "imx-dma");
+}
+
+#endif