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- /*
- * 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
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