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: /proc/self/root/proc/self/root/lib/modules/5.11.0-1022-aws/build/arch/mips/include/asm/txx9/ [ drwxr-xr-x ]
name : dmac.h /* SPDX-License-Identifier: GPL-2.0-only */ /* * TXx9 SoC DMA Controller */ #ifndef __ASM_TXX9_DMAC_H #define __ASM_TXX9_DMAC_H #include <linux/dmaengine.h> #define TXX9_DMA_MAX_NR_CHANNELS 4 /** * struct txx9dmac_platform_data - Controller configuration parameters * @memcpy_chan: Channel used for DMA_MEMCPY * @have_64bit_regs: DMAC have 64 bit registers */ struct txx9dmac_platform_data { int memcpy_chan; bool have_64bit_regs; }; /** * struct txx9dmac_chan_platform_data - Channel configuration parameters * @dmac_dev: A platform device for DMAC */ struct txx9dmac_chan_platform_data { struct platform_device *dmac_dev; }; /** * struct txx9dmac_slave - Controller-specific information about a slave * @tx_reg: physical address of data register used for * memory-to-peripheral transfers * @rx_reg: physical address of data register used for * peripheral-to-memory transfers * @reg_width: peripheral register width */ struct txx9dmac_slave { u64 tx_reg; u64 rx_reg; unsigned int reg_width; }; void txx9_dmac_init(int id, unsigned long baseaddr, int irq, const struct txx9dmac_platform_data *pdata); #endif /* __ASM_TXX9_DMAC_H */