/******************************************************************************
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*
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* Copyright(c) 2019 Realtek Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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*****************************************************************************/
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#ifndef __HAL_CSI_BUFFER_H__
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#define __HAL_CSI_BUFFER_H__
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#define CSI_BUF_IDX_HW_MSK 0x7FF
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#define CSI_BUF_SUB_IDX_FULL_BW 0b0
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#define CSI_BUF_SUB_IDX_40_U 0b100100
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#define CSI_BUF_SUB_IDX_40_L 0b101000
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#define CSI_BUF_SUB_IDX_20_UU 0b000100
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#define CSI_BUF_SUB_IDX_20_UL 0b001000
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#define CSI_BUF_SUB_IDX_20_LU 0b001100
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#define CSI_BUF_SUB_IDX_20_LL 0b010000
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/* following is used in csi buffer size is 160Mhz */
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#define CSI_BUF_SUB_IDX_160M_20_LL 0b010000
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#define CSI_BUF_SUB_IDX_160M_20_LL 0b010000
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#define CSI_BUF_SUB_IDX_160M_20_LL 0b010000
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#define CSI_BUF_SUB_IDX_160M_20_LL 0b010000
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#define CSI_BUF_SUB_IDX_160M_40_U 0b101100
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#define CSI_BUF_SUB_IDX_160M_40_L 0b110000
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#define CSI_BUF_SUB_IDX_160M_80_U 0b110100
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#define CSI_BUF_SUB_IDX_160M_80_L 0b111000
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#define CSI_BUF_SUB_IDX_NON 0b111111
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#define CSI_BUF_STS_BUSY 1
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#define CSI_BUF_STS_IDLE 0
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#define IS_SUB20_BUSY(_csi, _idx) \
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(((_csi->sub_idx&BIT(_idx)) == BIT(_idx)) ? CSI_BUF_STS_BUSY : CSI_BUF_STS_IDLE)
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#define SET_SUB20_BUSY(_csi, _idx) _csi->sub_idx |= BIT(_idx)
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#define IS_40L_BUSY(_csi) \
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(((_csi->sub_idx & (BIT(0)|BIT(1)))==(BIT(0)|BIT(1))) ? CSI_BUF_STS_BUSY : CSI_BUF_STS_IDLE)
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#define IS_40U_BUSY(_csi) \
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(((_csi->sub_idx & (BIT(2)|BIT(3)))==(BIT(2)|BIT(3))) ? CSI_BUF_STS_BUSY : CSI_BUF_STS_IDLE)
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#define SET_40L_BUSY(_csi) _csi->sub_idx |= (BIT(0)|BIT(1))
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#define SET_40U_BUSY(_csi) _csi->sub_idx |= (BIT(2)|BIT(3))
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#define CLEAR_CSI_STS_BIT(_csi, _x) _csi->sub_idx &= ~(1 << _x)
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enum hal_csi_buf_type {
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HAL_CSI_BUF_TYPE_SU = 0,
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HAL_CSI_BUF_TYPE_MU = 1
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};
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enum hal_csi_buf_size {
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HAL_CSI_BUF_SIZE_NONE = 0,
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HAL_CSI_BUF_SIZE_20,
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HAL_CSI_BUF_SIZE_40,
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HAL_CSI_BUF_SIZE_80,
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HAL_CSI_BUF_SIZE_160
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};
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struct hal_csi_buf {
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u16 sub_idx:6;
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u16 idx:5;
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u16 type:1;
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u16 b160mhz:1;
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u16 rsvd:3;
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};
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struct hal_csi_obj {
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u8 max_csi_buf_nr;
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u8 max_csi_buf_nr_su;
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u8 max_csi_buf_nr_mu;
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struct hal_csi_buf *csi_buf;
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_os_lock csi_lock;
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};
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enum rtw_hal_status
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hal_csi_init(struct hal_info_t *hal_info, u8 su_buf_nr, u8 mu_buf_nr);
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void hal_csi_deinit(struct hal_info_t *hal_info);
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enum rtw_hal_status hal_csi_query_idle_csi_buf(
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struct hal_info_t *hal_info, u8 mu, enum channel_width bw, void *buf);
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enum rtw_hal_status hal_csi_release_csi_buf(
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struct hal_info_t *hal_info,
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void *buf);
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u8 hal_is_csi_buf_valid(struct hal_info_t *hal_info, void *buf);
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enum channel_width
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rtw_hal_get_csi_buf_bw(void *buf);
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bool
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rtw_hal_get_csi_buf_type(void *buf);
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#endif
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