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1/* SPDX-License-Identifier: GPL-2.0-only */
2/******************************************************************************
3 *
4 * Copyright(c) 2007 - 2014 Intel Corporation. All rights reserved.
5 *
6 * Portions of this file are derived from the ipw3945 project, as well
7 * as portions of the ieee80211 subsystem header files.
8 *
9 * Contact Information:
10 * Intel Linux Wireless <linuxwifi@intel.com>
11 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
12 *****************************************************************************/
13#ifndef __iwl_tt_setting_h__
14#define __iwl_tt_setting_h__
15
16#include "commands.h"
17
18#define IWL_ABSOLUTE_ZERO 0
19#define IWL_ABSOLUTE_MAX 0xFFFFFFFF
20#define IWL_TT_INCREASE_MARGIN 5
21#define IWL_TT_CT_KILL_MARGIN 3
22
23enum iwl_antenna_ok {
24 IWL_ANT_OK_NONE,
25 IWL_ANT_OK_SINGLE,
26 IWL_ANT_OK_MULTI,
27};
28
29/* Thermal Throttling State Machine states */
30enum iwl_tt_state {
31 IWL_TI_0, /* normal temperature, system power state */
32 IWL_TI_1, /* high temperature detect, low power state */
33 IWL_TI_2, /* higher temperature detected, lower power state */
34 IWL_TI_CT_KILL, /* critical temperature detected, lowest power state */
35 IWL_TI_STATE_MAX
36};
37
38/**
39 * struct iwl_tt_restriction - Thermal Throttling restriction table
40 * @tx_stream: number of tx stream allowed
41 * @is_ht: ht enable/disable
42 * @rx_stream: number of rx stream allowed
43 *
44 * This table is used by advance thermal throttling management
45 * based on the current thermal throttling state, and determines
46 * the number of tx/rx streams and the status of HT operation.
47 */
48struct iwl_tt_restriction {
49 enum iwl_antenna_ok tx_stream;
50 enum iwl_antenna_ok rx_stream;
51 bool is_ht;
52};
53
54/**
55 * struct iwl_tt_trans - Thermal Throttling transaction table
56 * @next_state: next thermal throttling mode
57 * @tt_low: low temperature threshold to change state
58 * @tt_high: high temperature threshold to change state
59 *
60 * This is used by the advanced thermal throttling algorithm
61 * to determine the next thermal state to go based on the
62 * current temperature.
63 */
64struct iwl_tt_trans {
65 enum iwl_tt_state next_state;
66 u32 tt_low;
67 u32 tt_high;
68};
69
70/**
71 * struct iwl_tt_mgnt - Thermal Throttling Management structure
72 * @advanced_tt: advanced thermal throttle required
73 * @state: current Thermal Throttling state
74 * @tt_power_mode: Thermal Throttling power mode index
75 * being used to set power level when
76 * when thermal throttling state != IWL_TI_0
77 * the tt_power_mode should set to different
78 * power mode based on the current tt state
79 * @tt_previous_temperature: last measured temperature
80 * @iwl_tt_restriction: ptr to restriction tbl, used by advance
81 * thermal throttling to determine how many tx/rx streams
82 * should be used in tt state; and can HT be enabled or not
83 * @iwl_tt_trans: ptr to adv trans table, used by advance thermal throttling
84 * state transaction
85 * @ct_kill_toggle: used to toggle the CSR bit when checking uCode temperature
86 * @ct_kill_exit_tm: timer to exit thermal kill
87 */
88struct iwl_tt_mgmt {
89 enum iwl_tt_state state;
90 bool advanced_tt;
91 u8 tt_power_mode;
92 bool ct_kill_toggle;
93#ifdef CONFIG_IWLWIFI_DEBUG
94 s32 tt_previous_temp;
95#endif
96 struct iwl_tt_restriction *restriction;
97 struct iwl_tt_trans *transaction;
98 struct timer_list ct_kill_exit_tm;
99 struct timer_list ct_kill_waiting_tm;
100};
101
102u8 iwl_tt_current_power_mode(struct iwl_priv *priv);
103bool iwl_tt_is_low_power_state(struct iwl_priv *priv);
104bool iwl_ht_enabled(struct iwl_priv *priv);
105enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv);
106enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv);
107void iwl_tt_enter_ct_kill(struct iwl_priv *priv);
108void iwl_tt_exit_ct_kill(struct iwl_priv *priv);
109void iwl_tt_handler(struct iwl_priv *priv);
110void iwl_tt_initialize(struct iwl_priv *priv);
111void iwl_tt_exit(struct iwl_priv *priv);
112
113#endif /* __iwl_tt_setting_h__ */
1/* SPDX-License-Identifier: GPL-2.0-only */
2/******************************************************************************
3 *
4 * Copyright(c) 2007 - 2014, 2023 Intel Corporation. All rights reserved.
5 *
6 * Portions of this file are derived from the ipw3945 project, as well
7 * as portions of the ieee80211 subsystem header files.
8 *****************************************************************************/
9#ifndef __iwl_tt_setting_h__
10#define __iwl_tt_setting_h__
11
12#include "commands.h"
13
14#define IWL_ABSOLUTE_ZERO 0
15#define IWL_ABSOLUTE_MAX 0xFFFFFFFF
16#define IWL_TT_INCREASE_MARGIN 5
17#define IWL_TT_CT_KILL_MARGIN 3
18
19enum iwl_antenna_ok {
20 IWL_ANT_OK_NONE,
21 IWL_ANT_OK_SINGLE,
22 IWL_ANT_OK_MULTI,
23};
24
25/* Thermal Throttling State Machine states */
26enum iwl_tt_state {
27 IWL_TI_0, /* normal temperature, system power state */
28 IWL_TI_1, /* high temperature detect, low power state */
29 IWL_TI_2, /* higher temperature detected, lower power state */
30 IWL_TI_CT_KILL, /* critical temperature detected, lowest power state */
31 IWL_TI_STATE_MAX
32};
33
34/**
35 * struct iwl_tt_restriction - Thermal Throttling restriction table
36 * @tx_stream: number of tx stream allowed
37 * @is_ht: ht enable/disable
38 * @rx_stream: number of rx stream allowed
39 *
40 * This table is used by advance thermal throttling management
41 * based on the current thermal throttling state, and determines
42 * the number of tx/rx streams and the status of HT operation.
43 */
44struct iwl_tt_restriction {
45 enum iwl_antenna_ok tx_stream;
46 enum iwl_antenna_ok rx_stream;
47 bool is_ht;
48};
49
50/**
51 * struct iwl_tt_trans - Thermal Throttling transaction table
52 * @next_state: next thermal throttling mode
53 * @tt_low: low temperature threshold to change state
54 * @tt_high: high temperature threshold to change state
55 *
56 * This is used by the advanced thermal throttling algorithm
57 * to determine the next thermal state to go based on the
58 * current temperature.
59 */
60struct iwl_tt_trans {
61 enum iwl_tt_state next_state;
62 u32 tt_low;
63 u32 tt_high;
64};
65
66/**
67 * struct iwl_tt_mgnt - Thermal Throttling Management structure
68 * @advanced_tt: advanced thermal throttle required
69 * @state: current Thermal Throttling state
70 * @tt_power_mode: Thermal Throttling power mode index
71 * being used to set power level when
72 * when thermal throttling state != IWL_TI_0
73 * the tt_power_mode should set to different
74 * power mode based on the current tt state
75 * @tt_previous_temp: last measured temperature
76 * @restriction: ptr to restriction tbl, used by advance
77 * thermal throttling to determine how many tx/rx streams
78 * should be used in tt state; and can HT be enabled or not
79 * @transaction: ptr to adv trans table, used by advance thermal throttling
80 * state transaction
81 * @ct_kill_toggle: used to toggle the CSR bit when checking uCode temperature
82 * @ct_kill_exit_tm: timer to exit thermal kill
83 * @ct_kill_waiting_tm: timer to enter thermal kill
84 */
85struct iwl_tt_mgmt {
86 enum iwl_tt_state state;
87 bool advanced_tt;
88 u8 tt_power_mode;
89 bool ct_kill_toggle;
90#ifdef CONFIG_IWLWIFI_DEBUG
91 s32 tt_previous_temp;
92#endif
93 struct iwl_tt_restriction *restriction;
94 struct iwl_tt_trans *transaction;
95 struct timer_list ct_kill_exit_tm;
96 struct timer_list ct_kill_waiting_tm;
97};
98
99u8 iwl_tt_current_power_mode(struct iwl_priv *priv);
100bool iwl_tt_is_low_power_state(struct iwl_priv *priv);
101bool iwl_ht_enabled(struct iwl_priv *priv);
102enum iwl_antenna_ok iwl_tx_ant_restriction(struct iwl_priv *priv);
103enum iwl_antenna_ok iwl_rx_ant_restriction(struct iwl_priv *priv);
104void iwl_tt_enter_ct_kill(struct iwl_priv *priv);
105void iwl_tt_exit_ct_kill(struct iwl_priv *priv);
106void iwl_tt_handler(struct iwl_priv *priv);
107void iwl_tt_initialize(struct iwl_priv *priv);
108void iwl_tt_exit(struct iwl_priv *priv);
109
110#endif /* __iwl_tt_setting_h__ */