101 lines
3.1 KiB
C
Executable File
101 lines
3.1 KiB
C
Executable File
/****************************************************************************
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*
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* Copyright (c) 2014 - 2018 Samsung Electronics Co., Ltd. All rights reserved
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*
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****************************************************************************/
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#ifndef __HIP4_SMAPPER_H__
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#define __HIP4_SMAPPER_H__
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struct slsi_dev;
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struct slsi_hip4;
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enum smapper_type {
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TX_5G,
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TX_2G,
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RX
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};
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#define HIP4_SMAPPER_TOTAL_BANKS 10
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#define HIP4_SMAPPER_BANK_SMALL false
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#define HIP4_SMAPPER_BANK_LARGE true
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#define HIP_SMAPPER_OWNER_FW 0
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#define HIP_SMAPPER_OWNER_HOST 1
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#define HIP_SMAPPER_STATUS_REFILL 0
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#define HIP_SMAPPER_STATUS_MAPPED 1
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#define HIP4_SMAPPER_OTHER_CPU 0
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#define HIP4_SMAPPER_OWN_CPU 1
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#define HIP4_SMAPPER_STATE_OUT 0
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#define HIP4_SMAPPER_STATE_WANT 1
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#define HIP4_SMAPPER_STATE_CLAIM 2
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#define HIP4_SMAPPER_BANKS_CHECK_CONFIGURE(reg) (((reg) >> 30) == 0 ? 1 : 0)
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#define HIP4_SMAPPER_BANKS_CONFIGURE_DONE(reg) ((reg) = (reg) | 0xc0000000)
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#define HIP4_SMAPPER_GET_BANK_STATE(b, reg) (((0x1 << ((b) * 2)) & (reg)) > 0 ? 1 : 0)
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#define HIP4_SMAPPER_GET_BANK_OWNER(b, reg) (((0x2 << ((b) * 2)) & (reg)) > 0 ? 1 : 0)
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#define HIP4_SMAPPER_SET_BANK_STATE(b, reg, val) ((reg) = ((reg) & ~(0x1 << ((b) * 2))) | \
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((val) << ((b) * 2)))
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#define HIP4_SMAPPER_SET_BANK_OWNER(b, reg, val) ((reg) = (reg & ~(0x2 << ((b) * 2))) | \
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(((val) << 1) << ((b) * 2)))
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struct hip4_smapper_descriptor {
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u8 bank_num;
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u8 entry_num;
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u16 entry_size;
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u16 headroom;
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};
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/* There should be an agreement between host and FW about bank mapping */
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/* TODO : think about this agreement */
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enum smapper_banks {
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RX_0,
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RX_1,
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RX_2,
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RX_3,
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END_RX_BANKS
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};
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struct hip4_smapper_control {
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u32 emul_loc; /* Smapper emulator location in MIF_ADDR */
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u32 emul_sz; /* Smapper emulator size */
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u8 th_req; /* TH smapper request interrupt bit position */
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u8 fh_ind; /* FH smapper ind interrupt bit position */
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u32 mbox_scb; /* SMAPPER MBOX scoreboard location */
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u32 *mbox_ptr; /* Mbox pointer */
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spinlock_t smapper_lock;
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/* Lookup table to map the virtual bank mapping in wlan with the phy mapping in HW */
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/* Currently is safe to use this indexing as only WIFI is using smapper */
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u8 lookuptable[HIP4_SMAPPER_TOTAL_BANKS];
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};
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struct hip4_smapper_bank {
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enum smapper_type type;
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u16 entries;
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bool in_use;
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u8 bank;
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u8 cur;
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u32 entry_size;
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struct sk_buff **skbuff;
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dma_addr_t *skbuff_dma;
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struct hip4_smapper_control_entry *entry;
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u16 align;
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};
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int hip4_smapper_init(struct slsi_dev *sdev, struct slsi_hip4 *hip);
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void hip4_smapper_deinit(struct slsi_dev *sdev, struct slsi_hip4 *hip);
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struct mbulk *hip4_smapper_send(struct slsi_hip4 *hip, struct sk_buff *skb, int *val);
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int hip4_smapper_consume_entry(struct slsi_dev *sdev, struct slsi_hip4 *hip, struct sk_buff *skb_fapi);
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void *hip4_smapper_get_skb_data(struct slsi_dev *sdev, struct slsi_hip4 *hip, struct sk_buff *skb_fapi);
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struct sk_buff *hip4_smapper_get_skb(struct slsi_dev *sdev, struct slsi_hip4 *hip, struct sk_buff *skb_fapi);
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void hip4_smapper_free_mapped_skb(struct sk_buff *skb);
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#endif
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