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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2012-2014, 2018, 2020-2021 Intel Corporation
* Copyright (C) 2013-2015 Intel Mobile Communications GmbH
* Copyright (C) 2016-2017 Intel Deutschland GmbH
*/
#ifndef __iwl_fw_api_phy_ctxt_h__
#define __iwl_fw_api_phy_ctxt_h__
/* Supported bands */
#define PHY_BAND_5 (0)
#define PHY_BAND_24 (1)
#define PHY_BAND_6 (2)
/* Supported channel width, vary if there is VHT support */
#define PHY_VHT_CHANNEL_MODE20 (0x0)
#define PHY_VHT_CHANNEL_MODE40 (0x1)
#define PHY_VHT_CHANNEL_MODE80 (0x2)
#define PHY_VHT_CHANNEL_MODE160 (0x3)
/*
* Control channel position:
* For legacy set bit means upper channel, otherwise lower.
* For VHT - bit-2 marks if the control is lower/upper relative to center-freq
* bits-1:0 mark the distance from the center freq. for 20Mhz, offset is 0.
* center_freq
* |
* 40Mhz |_______|_______|
* 80Mhz |_______|_______|_______|_______|
* 160Mhz |_______|_______|_______|_______|_______|_______|_______|_______|
* code 011 010 001 000 | 100 101 110 111
*/
#define PHY_VHT_CTRL_POS_1_BELOW (0x0)
#define PHY_VHT_CTRL_POS_2_BELOW (0x1)
#define PHY_VHT_CTRL_POS_3_BELOW (0x2)
#define PHY_VHT_CTRL_POS_4_BELOW (0x3)
#define PHY_VHT_CTRL_POS_1_ABOVE (0x4)
#define PHY_VHT_CTRL_POS_2_ABOVE (0x5)
#define PHY_VHT_CTRL_POS_3_ABOVE (0x6)
#define PHY_VHT_CTRL_POS_4_ABOVE (0x7)
/*
* struct iwl_fw_channel_info_v1 - channel information
*
* @band: PHY_BAND_*
* @channel: channel number
* @width: PHY_[VHT|LEGACY]_CHANNEL_*
* @ctrl channel: PHY_[VHT|LEGACY]_CTRL_*
*/
struct iwl_fw_channel_info_v1 {
u8 band;
u8 channel;
u8 width;
u8 ctrl_pos;
} __packed; /* CHANNEL_CONFIG_API_S_VER_1 */
/*
* struct iwl_fw_channel_info - channel information
*
* @channel: channel number
* @band: PHY_BAND_*
* @width: PHY_[VHT|LEGACY]_CHANNEL_*
* @ctrl channel: PHY_[VHT|LEGACY]_CTRL_*
* @reserved: for future use and alignment
*/
struct iwl_fw_channel_info {
__le32 channel;
u8 band;
u8 width;
u8 ctrl_pos;
u8 reserved;
} __packed; /*CHANNEL_CONFIG_API_S_VER_2 */
#define PHY_RX_CHAIN_DRIVER_FORCE_POS (0)
#define PHY_RX_CHAIN_DRIVER_FORCE_MSK \
(0x1 << PHY_RX_CHAIN_DRIVER_FORCE_POS)
#define PHY_RX_CHAIN_VALID_POS (1)
#define PHY_RX_CHAIN_VALID_MSK \
(0x7 << PHY_RX_CHAIN_VALID_POS)
#define PHY_RX_CHAIN_FORCE_SEL_POS (4)
#define PHY_RX_CHAIN_FORCE_SEL_MSK \
(0x7 << PHY_RX_CHAIN_FORCE_SEL_POS)
#define PHY_RX_CHAIN_FORCE_MIMO_SEL_POS (7)
#define PHY_RX_CHAIN_FORCE_MIMO_SEL_MSK \
(0x7 << PHY_RX_CHAIN_FORCE_MIMO_SEL_POS)
#define PHY_RX_CHAIN_CNT_POS (10)
#define PHY_RX_CHAIN_CNT_MSK \
(0x3 << PHY_RX_CHAIN_CNT_POS)
#define PHY_RX_CHAIN_MIMO_CNT_POS (12)
#define PHY_RX_CHAIN_MIMO_CNT_MSK \
(0x3 << PHY_RX_CHAIN_MIMO_CNT_POS)
#define PHY_RX_CHAIN_MIMO_FORCE_POS (14)
#define PHY_RX_CHAIN_MIMO_FORCE_MSK \
(0x1 << PHY_RX_CHAIN_MIMO_FORCE_POS)
/* TODO: fix the value, make it depend on firmware at runtime? */
#define NUM_PHY_CTX 3
/* TODO: complete missing documentation */
/**
* struct iwl_phy_context_cmd_tail - tail of iwl_phy_ctx_cmd for alignment with
* various channel structures.
*
* @txchain_info: ???
* @rxchain_info: ???
* @acquisition_data: ???
* @dsp_cfg_flags: set to 0
*/
struct iwl_phy_context_cmd_tail {
__le32 txchain_info;
__le32 rxchain_info;
__le32 acquisition_data;
__le32 dsp_cfg_flags;
} __packed;
/**
* struct iwl_phy_context_cmd - config of the PHY context
* ( PHY_CONTEXT_CMD = 0x8 )
* @id_and_color: ID and color of the relevant Binding
* @action: action to perform, one of FW_CTXT_ACTION_*
* @apply_time: 0 means immediate apply and context switch.
* other value means apply new params after X usecs
* @tx_param_color: ???
* @ci: channel info
* @tail: command tail
*/
struct iwl_phy_context_cmd_v1 {
/* COMMON_INDEX_HDR_API_S_VER_1 */
__le32 id_and_color;
__le32 action;
/* PHY_CONTEXT_DATA_API_S_VER_3 */
__le32 apply_time;
__le32 tx_param_color;
struct iwl_fw_channel_info ci;
struct iwl_phy_context_cmd_tail tail;
} __packed; /* PHY_CONTEXT_CMD_API_VER_1 */
/**
* struct iwl_phy_context_cmd - config of the PHY context
* ( PHY_CONTEXT_CMD = 0x8 )
* @id_and_color: ID and color of the relevant Binding
* @action: action to perform, one of FW_CTXT_ACTION_*
* @lmac_id: the lmac id the phy context belongs to
* @ci: channel info
* @rxchain_info: ???
* @dsp_cfg_flags: set to 0
* @reserved: reserved to align to 64 bit
*/
struct iwl_phy_context_cmd {
/* COMMON_INDEX_HDR_API_S_VER_1 */
__le32 id_and_color;
__le32 action;
/* PHY_CONTEXT_DATA_API_S_VER_3, PHY_CONTEXT_DATA_API_S_VER_4 */
struct iwl_fw_channel_info ci;
__le32 lmac_id;
__le32 rxchain_info; /* reserved in _VER_4 */
__le32 dsp_cfg_flags;
__le32 reserved;
} __packed; /* PHY_CONTEXT_CMD_API_VER_3, PHY_CONTEXT_CMD_API_VER_4 */
#endif /* __iwl_fw_api_phy_ctxt_h__ */
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