c7a19c795b
Pull slave-dma updates from Vinod Koul:
"Some notable changes are:
- new driver for AMBA AXI NBPF by Guennadi
- new driver for sun6i controller by Maxime
- pl330 drivers fixes from Lar's
- sh-dma updates and fixes from Laurent, Geert and Kuninori
- Documentation updates from Geert
- drivers fixes and updates spread over dw, edma, freescale, mpc512x
etc.."
* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (72 commits)
dmaengine: sun6i: depends on RESET_CONTROLLER
dma: at_hdmac: fix invalid remaining bytes detection
dmaengine: nbpfaxi: don't build this driver where it cannot be used
dmaengine: nbpf_error_get_channel() can be static
dma: pl08x: Use correct specifier for size_t values
dmaengine: Remove the context argument to the prep_dma_cyclic operation
dmaengine: nbpfaxi: convert to tasklet
dmaengine: nbpfaxi: fix a theoretical race
dmaengine: add a driver for AMBA AXI NBPF DMAC IP cores
dmaengine: add device tree binding documentation for the nbpfaxi driver
dmaengine: edma: Do not register second device when booted with DT
dmaengine: edma: Do not change the error code returned from edma_alloc_slot
dmaengine: rcar-dmac: Add device tree bindings documentation
dmaengine: shdma: Allocate cyclic sg list dynamically
dmaengine: shdma: Make channel filter ignore unrelated devices
dmaengine: sh: Rework Kconfig and Makefile
dmaengine: sun6i: Fix memory leaks
dmaengine: sun6i: Free the interrupt before killing the tasklet
dmaengine: sun6i: Remove switch statement from buswidth convertion routine
dmaengine: of: kconfig: select DMA_ENGINE when DMA_OF is selected
...
70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/*
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* Copyright 2004-2009 Freescale Semiconductor, Inc. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_ARCH_MXC_DMA_H__
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#define __ASM_ARCH_MXC_DMA_H__
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#include <linux/scatterlist.h>
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#include <linux/device.h>
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#include <linux/dmaengine.h>
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/*
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* This enumerates peripheral types. Used for SDMA.
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*/
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enum sdma_peripheral_type {
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IMX_DMATYPE_SSI, /* MCU domain SSI */
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IMX_DMATYPE_SSI_SP, /* Shared SSI */
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IMX_DMATYPE_MMC, /* MMC */
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IMX_DMATYPE_SDHC, /* SDHC */
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IMX_DMATYPE_UART, /* MCU domain UART */
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IMX_DMATYPE_UART_SP, /* Shared UART */
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IMX_DMATYPE_FIRI, /* FIRI */
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IMX_DMATYPE_CSPI, /* MCU domain CSPI */
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IMX_DMATYPE_CSPI_SP, /* Shared CSPI */
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IMX_DMATYPE_SIM, /* SIM */
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IMX_DMATYPE_ATA, /* ATA */
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IMX_DMATYPE_CCM, /* CCM */
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IMX_DMATYPE_EXT, /* External peripheral */
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IMX_DMATYPE_MSHC, /* Memory Stick Host Controller */
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IMX_DMATYPE_MSHC_SP, /* Shared Memory Stick Host Controller */
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IMX_DMATYPE_DSP, /* DSP */
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IMX_DMATYPE_MEMORY, /* Memory */
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IMX_DMATYPE_FIFO_MEMORY,/* FIFO type Memory */
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IMX_DMATYPE_SPDIF, /* SPDIF */
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IMX_DMATYPE_IPU_MEMORY, /* IPU Memory */
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IMX_DMATYPE_ASRC, /* ASRC */
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IMX_DMATYPE_ESAI, /* ESAI */
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IMX_DMATYPE_SSI_DUAL, /* SSI Dual FIFO */
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IMX_DMATYPE_ASRC_SP, /* Shared ASRC */
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};
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enum imx_dma_prio {
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DMA_PRIO_HIGH = 0,
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DMA_PRIO_MEDIUM = 1,
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DMA_PRIO_LOW = 2
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};
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struct imx_dma_data {
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int dma_request; /* DMA request line */
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int dma_request2; /* secondary DMA request line */
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enum sdma_peripheral_type peripheral_type;
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int priority;
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};
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static inline int imx_dma_is_ipu(struct dma_chan *chan)
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{
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return !strcmp(dev_name(chan->device->dev), "ipu-core");
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}
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static inline int imx_dma_is_general_purpose(struct dma_chan *chan)
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{
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return !strcmp(chan->device->dev->driver->name, "imx-sdma") ||
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!strcmp(chan->device->dev->driver->name, "imx-dma");
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}
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#endif
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