42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __SPRDWL_MM_H__
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#define __SPRDWL_MM_H__
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#include <linux/skbuff.h>
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#include <linux/dma-direction.h>
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#define SPRDWL_PHYS_LEN 5
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#define SPRDWL_PHYS_MASK (((uint64_t)1 << 40) - 1)
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#define SPRDWL_MH_ADDRESS_BIT ((uint64_t)1 << 39)
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#define SPRDWL_MAX_MH_BUF 500
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#define SPRDWL_ADD_MH_BUF_THRESHOLD 300
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#define SPRDWL_MAX_ADD_MH_BUF_ONCE 200
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#define SPRDWL_ADDR_BUF_LEN (sizeof(struct sprdwl_addr_hdr) +\
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sizeof(struct sprdwl_addr_trans_value) +\
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(SPRDWL_MAX_ADD_MH_BUF_ONCE * SPRDWL_PHYS_LEN))
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struct sprdwl_mm {
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int hif_offset;
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struct sk_buff_head buffer_list;
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/* hdr point to hdr of addr buf */
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void *hdr;
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/* addr_trans point to addr trans of addr buf */
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void *addr_trans;
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};
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int sprdwl_mm_init(struct sprdwl_mm *mm_entry, void *intf);
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int sprdwl_mm_deinit(struct sprdwl_mm *mm_entry, void *intf);
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void mm_mh_data_process(struct sprdwl_mm *mm_entry, void *data,
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int len, int buffer_type);
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void mm_mh_data_event_process(struct sprdwl_mm *mm_entry, void *data,
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int len, int buffer_type);
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unsigned long mm_virt_to_phys(struct device *dev, void *buffer, size_t size,
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enum dma_data_direction direction);
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void *mm_phys_to_virt(struct device *dev, unsigned long pcie_addr, size_t size,
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enum dma_data_direction direction, bool is_mh);
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int sprdwl_tx_addr_buf_unmap(void *tx_msg,
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int complete, int tx_count);
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int mm_buffer_alloc(struct sprdwl_mm *mm_entry, int need_num);
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#endif /* __SPRDWL_MM_H__ */
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