threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_SPARC_EBUS_DMA_H
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#define __ASM_SPARC_EBUS_DMA_H
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struct ebus_dma_info {
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spinlock_t lock;
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void __iomem *regs;
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unsigned int flags;
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#define EBUS_DMA_FLAG_USE_EBDMA_HANDLER 0x00000001
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#define EBUS_DMA_FLAG_TCI_DISABLE 0x00000002
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/* These are only valid is EBUS_DMA_FLAG_USE_EBDMA_HANDLER is
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* set.
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*/
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void (*callback)(struct ebus_dma_info *p, int event, void *cookie);
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void *client_cookie;
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unsigned int irq;
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#define EBUS_DMA_EVENT_ERROR 1
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#define EBUS_DMA_EVENT_DMA 2
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#define EBUS_DMA_EVENT_DEVICE 4
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unsigned char name[64];
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};
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int ebus_dma_register(struct ebus_dma_info *p);
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int ebus_dma_irq_enable(struct ebus_dma_info *p, int on);
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void ebus_dma_unregister(struct ebus_dma_info *p);
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int ebus_dma_request(struct ebus_dma_info *p, dma_addr_t bus_addr,
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size_t len);
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void ebus_dma_prepare(struct ebus_dma_info *p, int write);
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unsigned int ebus_dma_residue(struct ebus_dma_info *p);
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unsigned int ebus_dma_addr(struct ebus_dma_info *p);
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void ebus_dma_enable(struct ebus_dma_info *p, int on);
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#endif /* __ASM_SPARC_EBUS_DMA_H */
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