diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 19:04:36 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-10-27 19:04:36 -0700 |
commit | e3e1288e86a07cdeb0aee5860a2dff111c6eff79 (patch) | |
tree | cd22f8051a456c9d2b95698b6fe402776a67469b /arch/arm/plat-mxc | |
parent | 9ae6d039224def926656206725ae6e89d1331417 (diff) | |
parent | 964dc256bb91e990277010a3f6dc66daa130be8b (diff) |
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx: (48 commits)
DMAENGINE: move COH901318 to arch_initcall
dma: imx-dma: fix signedness bug
dma/timberdale: simplify conditional
ste_dma40: remove channel_type
ste_dma40: remove enum for endianess
ste_dma40: remove TIM_FOR_LINK option
ste_dma40: move mode_opt to separate config
ste_dma40: move channel mode to a separate field
ste_dma40: move priority to separate field
ste_dma40: add variable to indicate valid dma_cfg
async_tx: make async_tx channel switching opt-in
move async raid6 test to lib/Kconfig.debug
dmaengine: Add Freescale i.MX1/21/27 DMA driver
intel_mid_dma: change the slave interface
intel_mid_dma: fix the WARN_ONs
intel_mid_dma: Add sg list support to DMA driver
intel_mid_dma: Allow DMAC2 to share interrupt
intel_mid_dma: Allow IRQ sharing
intel_mid_dma: Add runtime PM support
DMAENGINE: define a dummy filter function for ste_dma40
...
Diffstat (limited to 'arch/arm/plat-mxc')
-rw-r--r-- | arch/arm/plat-mxc/include/mach/dma.h | 67 | ||||
-rw-r--r-- | arch/arm/plat-mxc/include/mach/sdma.h | 17 |
2 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm/plat-mxc/include/mach/dma.h b/arch/arm/plat-mxc/include/mach/dma.h new file mode 100644 index 000000000000..ef7751546f5f --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/dma.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 !strcmp(dev_name(chan->device->dev), "imx-sdma") || + !strcmp(dev_name(chan->device->dev), "imx-dma"); +} + +#endif diff --git a/arch/arm/plat-mxc/include/mach/sdma.h b/arch/arm/plat-mxc/include/mach/sdma.h new file mode 100644 index 000000000000..9be112227ac4 --- /dev/null +++ b/arch/arm/plat-mxc/include/mach/sdma.h @@ -0,0 +1,17 @@ +#ifndef __MACH_MXC_SDMA_H__ +#define __MACH_MXC_SDMA_H__ + +/** + * struct sdma_platform_data - platform specific data for SDMA engine + * + * @sdma_version The version of this SDMA engine + * @cpu_name used to generate the firmware name + * @to_version CPU Tape out version + */ +struct sdma_platform_data { + int sdma_version; + char *cpu_name; + int to_version; +}; + +#endif /* __MACH_MXC_SDMA_H__ */ |