aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/intel/iwlwifi/mvm/rfi.c
blob: bb77bc9aa8218af83b21fa8b353d118b12c3685b (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
/*
 * Copyright (C) 2020 - 2021 Intel Corporation
 */

#include "mvm.h"
#include "fw/api/commands.h"
#include "fw/api/phy-ctxt.h"

/*
 * DDR needs frequency in units of 16.666MHz, so provide FW with the
 * frequency values in the adjusted format.
 */
static const struct iwl_rfi_lut_entry iwl_rfi_table[IWL_RFI_LUT_SIZE] = {
	/* frequency 2667MHz */
	{cpu_to_le16(160), {50, 58, 60, 62, 64, 52, 54, 56},
	      {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
	       PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}},

	/* frequency 2933MHz */
	{cpu_to_le16(176), {149, 151, 153, 157, 159, 161, 165, 163, 167, 169,
			    171, 173, 175},
	      {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
	       PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
	       PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}},

	/* frequency 3200MHz */
	{cpu_to_le16(192), {79, 81, 83, 85, 87, 89, 91, 93},
	      {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
	       PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,}},

	/* frequency 3733MHz */
	{cpu_to_le16(223), {114, 116, 118, 120, 122, 106, 110, 124, 126},
	      {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
	       PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}},

	/* frequency 4000MHz */
	{cpu_to_le16(240), {114, 151, 155, 157, 159, 161, 165},
	      {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
	       PHY_BAND_5, PHY_BAND_5,}},

	/* frequency 4267MHz */
	{cpu_to_le16(256), {79, 83, 85, 87, 89, 91, 93,},
	       {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
		PHY_BAND_6, PHY_BAND_6,}},

	/* frequency 4400MHz */
	{cpu_to_le16(264), {111, 119, 123, 125, 129, 131, 133, 135, 143,},
	      {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
	       PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,}},

	/* frequency 5200MHz */
	{cpu_to_le16(312), {36, 38, 40, 42, 44, 46, 50,},
	       {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
		PHY_BAND_5, PHY_BAND_5,}},

	/* frequency 5600MHz */
	{cpu_to_le16(336), {106, 110, 112, 114, 116, 118, 120, 122},
	       {PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,
		PHY_BAND_5, PHY_BAND_5, PHY_BAND_5,}},

	/* frequency 6000MHz */
	{cpu_to_le16(360), {3, 5, 7, 9, 11, 13, 15,},
	       {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
		PHY_BAND_6, PHY_BAND_6,}},

	/* frequency 6400MHz */
	{cpu_to_le16(384), {79, 83, 85, 87, 89, 91, 93,},
	       {PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6, PHY_BAND_6,
		PHY_BAND_6, PHY_BAND_6,}},
};

int iwl_rfi_send_config_cmd(struct iwl_mvm *mvm, struct iwl_rfi_lut_entry *rfi_table)
{
	int ret;
	struct iwl_rfi_config_cmd cmd;
	struct iwl_host_cmd hcmd = {
		.id = WIDE_ID(SYSTEM_GROUP, RFI_CONFIG_CMD),
		.dataflags[0] = IWL_HCMD_DFL_DUP,
		.data[0] = &cmd,
		.len[0] = sizeof(cmd),
	};

	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_RFIM_SUPPORT))
		return -EOPNOTSUPP;

	lockdep_assert_held(&mvm->mutex);

	/* in case no table is passed, use the default one */
	if (!rfi_table) {
		memcpy(cmd.table, iwl_rfi_table, sizeof(cmd.table));
	} else {
		memcpy(cmd.table, rfi_table, sizeof(cmd.table));
		/* notify FW the table is not the default one */
		cmd.oem = 1;
	}

	ret = iwl_mvm_send_cmd(mvm, &hcmd);

	if (ret)
		IWL_ERR(mvm, "Failed to send RFI config cmd %d\n", ret);

	return ret;
}

struct iwl_rfi_freq_table_resp_cmd *iwl_rfi_get_freq_table(struct iwl_mvm *mvm)
{
	struct iwl_rfi_freq_table_resp_cmd *resp;
	int resp_size = sizeof(*resp);
	int ret;
	struct iwl_host_cmd cmd = {
		.id = WIDE_ID(SYSTEM_GROUP, RFI_GET_FREQ_TABLE_CMD),
		.flags = CMD_WANT_SKB,
	};

	if (!fw_has_capa(&mvm->fw->ucode_capa, IWL_UCODE_TLV_CAPA_RFIM_SUPPORT))
		return ERR_PTR(-EOPNOTSUPP);

	mutex_lock(&mvm->mutex);
	ret = iwl_mvm_send_cmd(mvm, &cmd);
	mutex_unlock(&mvm->mutex);
	if (ret)
		return ERR_PTR(ret);

	if (WARN_ON_ONCE(iwl_rx_packet_payload_len(cmd.resp_pkt) != resp_size))
		return ERR_PTR(-EIO);

	resp = kmemdup(cmd.resp_pkt->data, resp_size, GFP_KERNEL);
	if (!resp)
		return ERR_PTR(-ENOMEM);

	iwl_free_resp(&cmd);
	return resp;
}

void iwl_rfi_deactivate_notif_handler(struct iwl_mvm *mvm,
				      struct iwl_rx_cmd_buffer *rxb)
{
	struct iwl_rx_packet *pkt = rxb_addr(rxb);
	struct iwl_rfi_deactivate_notif *notif = (void *)pkt->data;

	IWL_INFO(mvm, "RFIm is deactivated, reason = %d\n", notif->reason);
}