drivers/net/wireless/intel/iwlwifi/mvm/fw-api-power.h

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   8  * Copyright(c) 2012 - 2014 Intel Corporation. All rights reserved.
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  66  *****************************************************************************/
  67
  68 #ifndef __fw_api_power_h__
  69 #define __fw_api_power_h__
  70
  71 /* Power Management Commands, Responses, Notifications */
  72
  73 /**
  74  * enum iwl_ltr_config_flags - masks for LTR config command flags
  75  * @LTR_CFG_FLAG_FEATURE_ENABLE: Feature operational status
  76  * @LTR_CFG_FLAG_HW_DIS_ON_SHADOW_REG_ACCESS: allow LTR change on shadow
  77  *      memory access
  78  * @LTR_CFG_FLAG_HW_EN_SHRT_WR_THROUGH: allow LTR msg send on ANY LTR
  79  *      reg change
  80  * @LTR_CFG_FLAG_HW_DIS_ON_D0_2_D3: allow LTR msg send on transition from
  81  *      D0 to D3
  82  * @LTR_CFG_FLAG_SW_SET_SHORT: fixed static short LTR register
  83  * @LTR_CFG_FLAG_SW_SET_LONG: fixed static short LONG register
  84  * @LTR_CFG_FLAG_DENIE_C10_ON_PD: allow going into C10 on PD
  85  */
  86 enum iwl_ltr_config_flags {
  87         LTR_CFG_FLAG_FEATURE_ENABLE = BIT(0),
  88         LTR_CFG_FLAG_HW_DIS_ON_SHADOW_REG_ACCESS = BIT(1),
  89         LTR_CFG_FLAG_HW_EN_SHRT_WR_THROUGH = BIT(2),
  90         LTR_CFG_FLAG_HW_DIS_ON_D0_2_D3 = BIT(3),
  91         LTR_CFG_FLAG_SW_SET_SHORT = BIT(4),
  92         LTR_CFG_FLAG_SW_SET_LONG = BIT(5),
  93         LTR_CFG_FLAG_DENIE_C10_ON_PD = BIT(6),
  94 };
  95
  96 /**
  97  * struct iwl_ltr_config_cmd_v1 - configures the LTR
  98  * @flags: See %enum iwl_ltr_config_flags
  99  */
 100 struct iwl_ltr_config_cmd_v1 {
 101         __le32 flags;
 102         __le32 static_long;
 103         __le32 static_short;
 104 } __packed; /* LTR_CAPABLE_API_S_VER_1 */
 105
 106 #define LTR_VALID_STATES_NUM 4
 107
 108 /**
 109  * struct iwl_ltr_config_cmd - configures the LTR
 110  * @flags: See %enum iwl_ltr_config_flags
 111  * @static_long:
 112  * @static_short:
 113  * @ltr_cfg_values:
 114  * @ltr_short_idle_timeout:
 115  */
 116 struct iwl_ltr_config_cmd {
 117         __le32 flags;
 118         __le32 static_long;
 119         __le32 static_short;
 120         __le32 ltr_cfg_values[LTR_VALID_STATES_NUM];
 121         __le32 ltr_short_idle_timeout;
 122 } __packed; /* LTR_CAPABLE_API_S_VER_2 */
 123
 124 /* Radio LP RX Energy Threshold measured in dBm */
 125 #define POWER_LPRX_RSSI_THRESHOLD       75
 126 #define POWER_LPRX_RSSI_THRESHOLD_MAX   94
 127 #define POWER_LPRX_RSSI_THRESHOLD_MIN   30
 128
 129 /**
 130  * enum iwl_power_flags - masks for power table command flags
 131  * @POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
 132  *              receiver and transmitter. '0' - does not allow.
 133  * @POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK: '0' Driver disables power management,
 134  *              '1' Driver enables PM (use rest of parameters)
 135  * @POWER_FLAGS_SKIP_OVER_DTIM_MSK: '0' PM have to walk up every DTIM,
 136  *              '1' PM could sleep over DTIM till listen Interval.
 137  * @POWER_FLAGS_SNOOZE_ENA_MSK: Enable snoozing only if uAPSD is enabled and all
 138  *              access categories are both delivery and trigger enabled.
 139  * @POWER_FLAGS_BT_SCO_ENA: Enable BT SCO coex only if uAPSD and
 140  *              PBW Snoozing enabled
 141  * @POWER_FLAGS_ADVANCE_PM_ENA_MSK: Advanced PM (uAPSD) enable mask
 142  * @POWER_FLAGS_LPRX_ENA_MSK: Low Power RX enable.
 143  * @POWER_FLAGS_AP_UAPSD_MISBEHAVING_ENA_MSK: AP/GO's uAPSD misbehaving
 144  *              detection enablement
 145 */
 146 enum iwl_power_flags {
 147         POWER_FLAGS_POWER_SAVE_ENA_MSK          = BIT(0),
 148         POWER_FLAGS_POWER_MANAGEMENT_ENA_MSK    = BIT(1),
 149         POWER_FLAGS_SKIP_OVER_DTIM_MSK          = BIT(2),
 150         POWER_FLAGS_SNOOZE_ENA_MSK              = BIT(5),
 151         POWER_FLAGS_BT_SCO_ENA                  = BIT(8),
 152         POWER_FLAGS_ADVANCE_PM_ENA_MSK          = BIT(9),
 153         POWER_FLAGS_LPRX_ENA_MSK                = BIT(11),
 154         POWER_FLAGS_UAPSD_MISBEHAVING_ENA_MSK   = BIT(12),
 155 };
 156
 157 #define IWL_POWER_VEC_SIZE 5
 158
 159 /**
 160  * struct iwl_powertable_cmd - legacy power command. Beside old API support this
 161  *      is used also with a new power API for device wide power settings.
 162  * POWER_TABLE_CMD = 0x77 (command, has simple generic response)
 163  *
 164  * @flags:              Power table command flags from POWER_FLAGS_*
 165  * @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
 166  *                      Minimum allowed:- 3 * DTIM. Keep alive period must be
 167  *                      set regardless of power scheme or current power state.
 168  *                      FW use this value also when PM is disabled.
 169  * @rx_data_timeout:    Minimum time (usec) from last Rx packet for AM to
 170  *                      PSM transition - legacy PM
 171  * @tx_data_timeout:    Minimum time (usec) from last Tx packet for AM to
 172  *                      PSM transition - legacy PM
 173  * @sleep_interval:     not in use
 174  * @skip_dtim_periods:  Number of DTIM periods to skip if Skip over DTIM flag
 175  *                      is set. For example, if it is required to skip over
 176  *                      one DTIM, this value need to be set to 2 (DTIM periods).
 177  * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
 178  *                      Default: 80dbm
 179  */
 180 struct iwl_powertable_cmd {
 181         /* PM_POWER_TABLE_CMD_API_S_VER_6 */
 182         __le16 flags;
 183         u8 keep_alive_seconds;
 184         u8 debug_flags;
 185         __le32 rx_data_timeout;
 186         __le32 tx_data_timeout;
 187         __le32 sleep_interval[IWL_POWER_VEC_SIZE];
 188         __le32 skip_dtim_periods;
 189         __le32 lprx_rssi_threshold;
 190 } __packed;
 191
 192 /**
 193  * enum iwl_device_power_flags - masks for device power command flags
 194  * @DEVIC_POWER_FLAGS_POWER_SAVE_ENA_MSK: '1' Allow to save power by turning off
 195  *      receiver and transmitter. '0' - does not allow.
 196 */
 197 enum iwl_device_power_flags {
 198         DEVICE_POWER_FLAGS_POWER_SAVE_ENA_MSK   = BIT(0),
 199 };
 200
 201 /**
 202  * struct iwl_device_power_cmd - device wide power command.
 203  * DEVICE_POWER_CMD = 0x77 (command, has simple generic response)
 204  *
 205  * @flags:      Power table command flags from DEVICE_POWER_FLAGS_*
 206  */
 207 struct iwl_device_power_cmd {
 208         /* PM_POWER_TABLE_CMD_API_S_VER_6 */
 209         __le16 flags;
 210         __le16 reserved;
 211 } __packed;
 212
 213 /**
 214  * struct iwl_mac_power_cmd - New power command containing uAPSD support
 215  * MAC_PM_POWER_TABLE = 0xA9 (command, has simple generic response)
 216  * @id_and_color:       MAC contex identifier
 217  * @flags:              Power table command flags from POWER_FLAGS_*
 218  * @keep_alive_seconds: Keep alive period in seconds. Default - 25 sec.
 219  *                      Minimum allowed:- 3 * DTIM. Keep alive period must be
 220  *                      set regardless of power scheme or current power state.
 221  *                      FW use this value also when PM is disabled.
 222  * @rx_data_timeout:    Minimum time (usec) from last Rx packet for AM to
 223  *                      PSM transition - legacy PM
 224  * @tx_data_timeout:    Minimum time (usec) from last Tx packet for AM to
 225  *                      PSM transition - legacy PM
 226  * @sleep_interval:     not in use
 227  * @skip_dtim_periods:  Number of DTIM periods to skip if Skip over DTIM flag
 228  *                      is set. For example, if it is required to skip over
 229  *                      one DTIM, this value need to be set to 2 (DTIM periods).
 230  * @rx_data_timeout_uapsd: Minimum time (usec) from last Rx packet for AM to
 231  *                      PSM transition - uAPSD
 232  * @tx_data_timeout_uapsd: Minimum time (usec) from last Tx packet for AM to
 233  *                      PSM transition - uAPSD
 234  * @lprx_rssi_threshold: Signal strength up to which LP RX can be enabled.
 235  *                      Default: 80dbm
 236  * @num_skip_dtim:      Number of DTIMs to skip if Skip over DTIM flag is set
 237  * @snooze_interval:    Maximum time between attempts to retrieve buffered data
 238  *                      from the AP [msec]
 239  * @snooze_window:      A window of time in which PBW snoozing insures that all
 240  *                      packets received. It is also the minimum time from last
 241  *                      received unicast RX packet, before client stops snoozing
 242  *                      for data. [msec]
 243  * @snooze_step:        TBD
 244  * @qndp_tid:           TID client shall use for uAPSD QNDP triggers
 245  * @uapsd_ac_flags:     Set trigger-enabled and delivery-enabled indication for
 246  *                      each corresponding AC.
 247  *                      Use IEEE80211_WMM_IE_STA_QOSINFO_AC* for correct values.
 248  * @uapsd_max_sp:       Use IEEE80211_WMM_IE_STA_QOSINFO_SP_* for correct
 249  *                      values.
 250  * @heavy_tx_thld_packets:      TX threshold measured in number of packets
 251  * @heavy_rx_thld_packets:      RX threshold measured in number of packets
 252  * @heavy_tx_thld_percentage:   TX threshold measured in load's percentage
 253  * @heavy_rx_thld_percentage:   RX threshold measured in load's percentage
 254  * @limited_ps_threshold:
 255 */
 256 struct iwl_mac_power_cmd {
 257         /* CONTEXT_DESC_API_T_VER_1 */
 258         __le32 id_and_color;
 259
 260         /* CLIENT_PM_POWER_TABLE_S_VER_1 */
 261         __le16 flags;
 262         __le16 keep_alive_seconds;
 263         __le32 rx_data_timeout;
 264         __le32 tx_data_timeout;
 265         __le32 rx_data_timeout_uapsd;
 266         __le32 tx_data_timeout_uapsd;
 267         u8 lprx_rssi_threshold;
 268         u8 skip_dtim_periods;
 269         __le16 snooze_interval;
 270         __le16 snooze_window;
 271         u8 snooze_step;
 272         u8 qndp_tid;
 273         u8 uapsd_ac_flags;
 274         u8 uapsd_max_sp;
 275         u8 heavy_tx_thld_packets;
 276         u8 heavy_rx_thld_packets;
 277         u8 heavy_tx_thld_percentage;
 278         u8 heavy_rx_thld_percentage;
 279         u8 limited_ps_threshold;
 280         u8 reserved;
 281 } __packed;
 282
 283 /*
 284  * struct iwl_uapsd_misbehaving_ap_notif - FW sends this notification when
 285  * associated AP is identified as improperly implementing uAPSD protocol.
 286  * PSM_UAPSD_AP_MISBEHAVING_NOTIFICATION = 0x78
 287  * @sta_id: index of station in uCode's station table - associated AP ID in
 288  *          this context.
 289  */
 290 struct iwl_uapsd_misbehaving_ap_notif {
 291         __le32 sta_id;
 292         u8 mac_id;
 293         u8 reserved[3];
 294 } __packed;
 295
 296 /**
 297  * struct iwl_reduce_tx_power_cmd - TX power reduction command
 298  * REDUCE_TX_POWER_CMD = 0x9f
 299  * @flags: (reserved for future implementation)
 300  * @mac_context_id: id of the mac ctx for which we are reducing TX power.
 301  * @pwr_restriction: TX power restriction in dBms.
 302  */
 303 struct iwl_reduce_tx_power_cmd {
 304         u8 flags;
 305         u8 mac_context_id;
 306         __le16 pwr_restriction;
 307 } __packed; /* TX_REDUCED_POWER_API_S_VER_1 */
 308
 309 enum iwl_dev_tx_power_cmd_mode {
 310         IWL_TX_POWER_MODE_SET_MAC = 0,
 311         IWL_TX_POWER_MODE_SET_DEVICE = 1,
 312         IWL_TX_POWER_MODE_SET_CHAINS = 2,
 313 }; /* TX_POWER_REDUCED_FLAGS_TYPE_API_E_VER_2 */;
 314
 315 /**
 316  * struct iwl_dev_tx_power_cmd_v2 - TX power reduction command
 317  * @set_mode: see &enum iwl_dev_tx_power_cmd_mode
 318  * @mac_context_id: id of the mac ctx for which we are reducing TX power.
 319  * @pwr_restriction: TX power restriction in 1/8 dBms.
 320  * @dev_24: device TX power restriction in 1/8 dBms
 321  * @dev_52_low: device TX power restriction upper band - low
 322  * @dev_52_high: device TX power restriction upper band - high
 323  */
 324 struct iwl_dev_tx_power_cmd_v2 {
 325         __le32 set_mode;
 326         __le32 mac_context_id;
 327         __le16 pwr_restriction;
 328         __le16 dev_24;
 329         __le16 dev_52_low;
 330         __le16 dev_52_high;
 331 } __packed; /* TX_REDUCED_POWER_API_S_VER_2 */
 332
 333 #define IWL_NUM_CHAIN_LIMITS    2
 334 #define IWL_NUM_SUB_BANDS       5
 335
 336 /**
 337  * struct iwl_dev_tx_power_cmd - TX power reduction command
 338  * @v2: version 2 of the command, embedded here for easier software handling
 339  * @per_chain_restriction: per chain restrictions
 340  */
 341 struct iwl_dev_tx_power_cmd {
 342         /* v3 is just an extension of v2 - keep this here */
 343         struct iwl_dev_tx_power_cmd_v2 v2;
 344         __le16 per_chain_restriction[IWL_NUM_CHAIN_LIMITS][IWL_NUM_SUB_BANDS];
 345 } __packed; /* TX_REDUCED_POWER_API_S_VER_3 */
 346
 347 #define IWL_DEV_MAX_TX_POWER 0x7FFF
 348
 349 /**
 350  * struct iwl_beacon_filter_cmd
 351  * REPLY_BEACON_FILTERING_CMD = 0xd2 (command)
 352  * @id_and_color: MAC contex identifier
 353  * @bf_energy_delta: Used for RSSI filtering, if in 'normal' state. Send beacon
 354  *      to driver if delta in Energy values calculated for this and last
 355  *      passed beacon is greater than this threshold. Zero value means that
 356  *      the Energy change is ignored for beacon filtering, and beacon will
 357  *      not be forced to be sent to driver regardless of this delta. Typical
 358  *      energy delta 5dB.
 359  * @bf_roaming_energy_delta: Used for RSSI filtering, if in 'roaming' state.
 360  *      Send beacon to driver if delta in Energy values calculated for this
 361  *      and last passed beacon is greater than this threshold. Zero value
 362  *      means that the Energy change is ignored for beacon filtering while in
 363  *      Roaming state, typical energy delta 1dB.
 364  * @bf_roaming_state: Used for RSSI filtering. If absolute Energy values
 365  *      calculated for current beacon is less than the threshold, use
 366  *      Roaming Energy Delta Threshold, otherwise use normal Energy Delta
 367  *      Threshold. Typical energy threshold is -72dBm.
 368  * @bf_temp_threshold: This threshold determines the type of temperature
 369  *      filtering (Slow or Fast) that is selected (Units are in Celsuis):
 370  *      If the current temperature is above this threshold - Fast filter
 371  *      will be used, If the current temperature is below this threshold -
 372  *      Slow filter will be used.
 373  * @bf_temp_fast_filter: Send Beacon to driver if delta in temperature values
 374  *      calculated for this and the last passed beacon is greater than this
 375  *      threshold. Zero value means that the temperature change is ignored for
 376  *      beacon filtering; beacons will not be  forced to be sent to driver
 377  *      regardless of whether its temerature has been changed.
 378  * @bf_temp_slow_filter: Send Beacon to driver if delta in temperature values
 379  *      calculated for this and the last passed beacon is greater than this
 380  *      threshold. Zero value means that the temperature change is ignored for
 381  *      beacon filtering; beacons will not be forced to be sent to driver
 382  *      regardless of whether its temerature has been changed.
 383  * @bf_enable_beacon_filter: 1, beacon filtering is enabled; 0, disabled.
 384  * @bf_filter_escape_timer: Send beacons to to driver if no beacons were passed
 385  *      for a specific period of time. Units: Beacons.
 386  * @ba_escape_timer: Fully receive and parse beacon if no beacons were passed
 387  *      for a longer period of time then this escape-timeout. Units: Beacons.
 388  * @ba_enable_beacon_abort: 1, beacon abort is enabled; 0, disabled.
 389  */
 390 struct iwl_beacon_filter_cmd {
 391         __le32 bf_energy_delta;
 392         __le32 bf_roaming_energy_delta;
 393         __le32 bf_roaming_state;
 394         __le32 bf_temp_threshold;
 395         __le32 bf_temp_fast_filter;
 396         __le32 bf_temp_slow_filter;
 397         __le32 bf_enable_beacon_filter;
 398         __le32 bf_debug_flag;
 399         __le32 bf_escape_timer;
 400         __le32 ba_escape_timer;
 401         __le32 ba_enable_beacon_abort;
 402 } __packed;
 403
 404 /* Beacon filtering and beacon abort */
 405 #define IWL_BF_ENERGY_DELTA_DEFAULT 5
 406 #define IWL_BF_ENERGY_DELTA_D0I3 20
 407 #define IWL_BF_ENERGY_DELTA_MAX 255
 408 #define IWL_BF_ENERGY_DELTA_MIN 0
 409
 410 #define IWL_BF_ROAMING_ENERGY_DELTA_DEFAULT 1
 411 #define IWL_BF_ROAMING_ENERGY_DELTA_D0I3 20
 412 #define IWL_BF_ROAMING_ENERGY_DELTA_MAX 255
 413 #define IWL_BF_ROAMING_ENERGY_DELTA_MIN 0
 414
 415 #define IWL_BF_ROAMING_STATE_DEFAULT 72
 416 #define IWL_BF_ROAMING_STATE_D0I3 72
 417 #define IWL_BF_ROAMING_STATE_MAX 255
 418 #define IWL_BF_ROAMING_STATE_MIN 0
 419
 420 #define IWL_BF_TEMP_THRESHOLD_DEFAULT 112
 421 #define IWL_BF_TEMP_THRESHOLD_D0I3 112
 422 #define IWL_BF_TEMP_THRESHOLD_MAX 255
 423 #define IWL_BF_TEMP_THRESHOLD_MIN 0
 424
 425 #define IWL_BF_TEMP_FAST_FILTER_DEFAULT 1
 426 #define IWL_BF_TEMP_FAST_FILTER_D0I3 1
 427 #define IWL_BF_TEMP_FAST_FILTER_MAX 255
 428 #define IWL_BF_TEMP_FAST_FILTER_MIN 0
 429
 430 #define IWL_BF_TEMP_SLOW_FILTER_DEFAULT 5
 431 #define IWL_BF_TEMP_SLOW_FILTER_D0I3 20
 432 #define IWL_BF_TEMP_SLOW_FILTER_MAX 255
 433 #define IWL_BF_TEMP_SLOW_FILTER_MIN 0
 434
 435 #define IWL_BF_ENABLE_BEACON_FILTER_DEFAULT 1
 436
 437 #define IWL_BF_DEBUG_FLAG_DEFAULT 0
 438 #define IWL_BF_DEBUG_FLAG_D0I3 0
 439
 440 #define IWL_BF_ESCAPE_TIMER_DEFAULT 0
 441 #define IWL_BF_ESCAPE_TIMER_D0I3 0
 442 #define IWL_BF_ESCAPE_TIMER_MAX 1024
 443 #define IWL_BF_ESCAPE_TIMER_MIN 0
 444
 445 #define IWL_BA_ESCAPE_TIMER_DEFAULT 6
 446 #define IWL_BA_ESCAPE_TIMER_D0I3 6
 447 #define IWL_BA_ESCAPE_TIMER_D3 9
 448 #define IWL_BA_ESCAPE_TIMER_MAX 1024
 449 #define IWL_BA_ESCAPE_TIMER_MIN 0
 450
 451 #define IWL_BA_ENABLE_BEACON_ABORT_DEFAULT 1
 452
 453 #define IWL_BF_CMD_CONFIG(mode)                                      \
 454         .bf_energy_delta = cpu_to_le32(IWL_BF_ENERGY_DELTA ## mode),          \
 455         .bf_roaming_energy_delta =                                            \
 456                 cpu_to_le32(IWL_BF_ROAMING_ENERGY_DELTA ## mode),             \
 457         .bf_roaming_state = cpu_to_le32(IWL_BF_ROAMING_STATE ## mode),        \
 458         .bf_temp_threshold = cpu_to_le32(IWL_BF_TEMP_THRESHOLD ## mode),      \
 459         .bf_temp_fast_filter = cpu_to_le32(IWL_BF_TEMP_FAST_FILTER ## mode),  \
 460         .bf_temp_slow_filter = cpu_to_le32(IWL_BF_TEMP_SLOW_FILTER ## mode),  \
 461         .bf_debug_flag = cpu_to_le32(IWL_BF_DEBUG_FLAG ## mode),              \
 462         .bf_escape_timer = cpu_to_le32(IWL_BF_ESCAPE_TIMER ## mode),          \
 463         .ba_escape_timer = cpu_to_le32(IWL_BA_ESCAPE_TIMER ## mode)
 464
 465 #define IWL_BF_CMD_CONFIG_DEFAULTS IWL_BF_CMD_CONFIG(_DEFAULT)
 466 #define IWL_BF_CMD_CONFIG_D0I3 IWL_BF_CMD_CONFIG(_D0I3)
 467 #endif