linux/drivers/staging/rtl8723bs/include/rtw_pwrctrl.h
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   1/* SPDX-License-Identifier: GPL-2.0 */
   2/******************************************************************************
   3 *
   4 * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
   5 *
   6 ******************************************************************************/
   7#ifndef __RTW_PWRCTRL_H_
   8#define __RTW_PWRCTRL_H_
   9
  10#include <linux/mutex.h>
  11
  12#define FW_PWR0 0
  13#define FW_PWR1         1
  14#define FW_PWR2         2
  15#define FW_PWR3         3
  16
  17
  18#define HW_PWR0 7
  19#define HW_PWR1         6
  20#define HW_PWR2         2
  21#define HW_PWR3 0
  22#define HW_PWR4 8
  23
  24#define FW_PWRMSK       0x7
  25
  26
  27#define XMIT_ALIVE      BIT(0)
  28#define RECV_ALIVE      BIT(1)
  29#define CMD_ALIVE       BIT(2)
  30#define EVT_ALIVE       BIT(3)
  31#define BTCOEX_ALIVE    BIT(4)
  32
  33
  34enum Power_Mgnt {
  35        PS_MODE_ACTIVE  = 0,
  36        PS_MODE_MIN,
  37        PS_MODE_MAX,
  38        PS_MODE_DTIM,   /* PS_MODE_SELF_DEFINED */
  39        PS_MODE_VOIP,
  40        PS_MODE_UAPSD_WMM,
  41        PS_MODE_UAPSD,
  42        PS_MODE_IBSS,
  43        PS_MODE_WWLAN,
  44        PM_Radio_Off,
  45        PM_Card_Disable,
  46        PS_MODE_NUM,
  47};
  48
  49#ifdef CONFIG_PNO_SUPPORT
  50#define MAX_PNO_LIST_COUNT 16
  51#define MAX_SCAN_LIST_COUNT 14 /* 2.4G only */
  52#endif
  53
  54/*
  55        BIT[2:0] = HW state
  56        BIT[3] = Protocol PS state,   0: register active state , 1: register sleep state
  57        BIT[4] = sub-state
  58*/
  59
  60#define PS_DPS                          BIT(0)
  61#define PS_LCLK                         (PS_DPS)
  62#define PS_RF_OFF                       BIT(1)
  63#define PS_ALL_ON                       BIT(2)
  64#define PS_ST_ACTIVE            BIT(3)
  65
  66#define PS_ISR_ENABLE           BIT(4)
  67#define PS_IMR_ENABLE           BIT(5)
  68#define PS_ACK                          BIT(6)
  69#define PS_TOGGLE                       BIT(7)
  70
  71#define PS_STATE_MASK           (0x0F)
  72#define PS_STATE_HW_MASK        (0x07)
  73#define PS_SEQ_MASK                     (0xc0)
  74
  75#define PS_STATE(x)             (PS_STATE_MASK & (x))
  76#define PS_STATE_HW(x)  (PS_STATE_HW_MASK & (x))
  77#define PS_SEQ(x)               (PS_SEQ_MASK & (x))
  78
  79#define PS_STATE_S0             (PS_DPS)
  80#define PS_STATE_S1             (PS_LCLK)
  81#define PS_STATE_S2             (PS_RF_OFF)
  82#define PS_STATE_S3             (PS_ALL_ON)
  83#define PS_STATE_S4             ((PS_ST_ACTIVE) | (PS_ALL_ON))
  84
  85
  86#define PS_IS_RF_ON(x)  ((x) & (PS_ALL_ON))
  87#define PS_IS_ACTIVE(x) ((x) & (PS_ST_ACTIVE))
  88#define CLR_PS_STATE(x) ((x) = ((x) & (0xF0)))
  89
  90
  91struct reportpwrstate_parm {
  92        unsigned char mode;
  93        unsigned char state; /* the CPWM value */
  94        unsigned short rsvd;
  95};
  96
  97#define LPS_DELAY_TIME  1*HZ /*  1 sec */
  98
  99#define EXE_PWR_NONE    0x01
 100#define EXE_PWR_IPS             0x02
 101#define EXE_PWR_LPS             0x04
 102
 103/*  RF state. */
 104enum rt_rf_power_state {
 105        rf_on,          /*  RF is on after RFSleep or RFOff */
 106        rf_sleep,       /*  802.11 Power Save mode */
 107        rf_off,         /*  HW/SW Radio OFF or Inactive Power Save */
 108        /* Add the new RF state above this line ===== */
 109        rf_max
 110};
 111
 112/*  RF Off Level for IPS or HW/SW radio off */
 113#define RT_RF_OFF_LEVL_ASPM                     BIT(0)  /*  PCI ASPM */
 114#define RT_RF_OFF_LEVL_CLK_REQ          BIT(1)  /*  PCI clock request */
 115#define RT_RF_OFF_LEVL_PCI_D3                   BIT(2)  /*  PCI D3 mode */
 116#define RT_RF_OFF_LEVL_HALT_NIC         BIT(3)  /*  NIC halt, re-initialize hw parameters */
 117#define RT_RF_OFF_LEVL_FREE_FW          BIT(4)  /*  FW free, re-download the FW */
 118#define RT_RF_OFF_LEVL_FW_32K           BIT(5)  /*  FW in 32k */
 119#define RT_RF_PS_LEVEL_ALWAYS_ASPM      BIT(6)  /*  Always enable ASPM and Clock Req in initialization. */
 120#define RT_RF_LPS_DISALBE_2R                    BIT(30) /*  When LPS is on, disable 2R if no packet is received or transmittd. */
 121#define RT_RF_LPS_LEVEL_ASPM                    BIT(31) /*  LPS with ASPM */
 122
 123#define RT_IN_PS_LEVEL(ppsc, _PS_FLAG)          ((ppsc->cur_ps_level & _PS_FLAG) ? true : false)
 124#define RT_CLEAR_PS_LEVEL(ppsc, _PS_FLAG)       (ppsc->cur_ps_level &= (~(_PS_FLAG)))
 125#define RT_SET_PS_LEVEL(ppsc, _PS_FLAG)         (ppsc->cur_ps_level |= _PS_FLAG)
 126
 127/*  ASPM OSC Control bit, added by Roger, 2013.03.29. */
 128#define RT_PCI_ASPM_OSC_IGNORE          0        /*  PCI ASPM ignore OSC control in default */
 129#define RT_PCI_ASPM_OSC_ENABLE          BIT0 /*  PCI ASPM controlled by OS according to ACPI Spec 5.0 */
 130#define RT_PCI_ASPM_OSC_DISABLE         BIT1 /*  PCI ASPM controlled by driver or BIOS, i.e., force enable ASPM */
 131
 132
 133enum _PS_BBRegBackup_ {
 134        PSBBREG_RF0 = 0,
 135        PSBBREG_RF1,
 136        PSBBREG_RF2,
 137        PSBBREG_AFE0,
 138        PSBBREG_TOTALCNT
 139};
 140
 141enum { /*  for ips_mode */
 142        IPS_NONE = 0,
 143        IPS_NORMAL,
 144        IPS_LEVEL_2,
 145        IPS_NUM
 146};
 147
 148/*  Design for pwrctrl_priv.ips_deny, 32 bits for 32 reasons at most */
 149enum PS_DENY_REASON {
 150        PS_DENY_DRV_INITIAL = 0,
 151        PS_DENY_SCAN,
 152        PS_DENY_JOIN,
 153        PS_DENY_DISCONNECT,
 154        PS_DENY_SUSPEND,
 155        PS_DENY_IOCTL,
 156        PS_DENY_MGNT_TX,
 157        PS_DENY_DRV_REMOVE = 30,
 158        PS_DENY_OTHERS = 31
 159};
 160
 161#ifdef CONFIG_PNO_SUPPORT
 162struct pno_nlo_info
 163{
 164        u32 fast_scan_period;                           /* Fast scan period */
 165        u32 ssid_num;                           /* number of entry */
 166        u32 slow_scan_period;                   /* slow scan period */
 167        u32 fast_scan_iterations;                       /* Fast scan iterations */
 168        u8 ssid_length[MAX_PNO_LIST_COUNT];     /* SSID Length Array */
 169        u8 ssid_cipher_info[MAX_PNO_LIST_COUNT];        /* Cipher information for security */
 170        u8 ssid_channel_info[MAX_PNO_LIST_COUNT];       /* channel information */
 171};
 172
 173struct pno_ssid {
 174        u32     SSID_len;
 175        u8 SSID[32];
 176};
 177
 178struct pno_ssid_list {
 179        struct pno_ssid node[MAX_PNO_LIST_COUNT];
 180};
 181
 182struct pno_scan_channel_info
 183{
 184        u8 channel;
 185        u8 tx_power;
 186        u8 timeout;
 187        u8 active;                              /* set 1 means active scan, or pasivite scan. */
 188};
 189
 190struct pno_scan_info
 191{
 192        u8 enableRFE;                   /* Enable RFE */
 193        u8 period_scan_time;            /* exclusive with fast_scan_period and slow_scan_period */
 194        u8 periodScan;                  /* exclusive with fast_scan_period and slow_scan_period */
 195        u8 orig_80_offset;                      /* original channel 80 offset */
 196        u8 orig_40_offset;                      /* original channel 40 offset */
 197        u8 orig_bw;                     /* original bandwidth */
 198        u8 orig_ch;                     /* original channel */
 199        u8 channel_num;                 /* number of channel */
 200        u64     rfe_type;                       /* rfe_type && 0x00000000000000ff */
 201        struct pno_scan_channel_info ssid_channel_info[MAX_SCAN_LIST_COUNT];
 202};
 203#endif /* CONFIG_PNO_SUPPORT */
 204
 205struct pwrctrl_priv
 206{
 207        struct mutex lock;
 208        volatile u8 rpwm; /*  requested power state for fw */
 209        volatile u8 cpwm; /*  fw current power state. updated when 1. read from HCPWM 2. driver lowers power level */
 210        volatile u8 tog; /*  toggling */
 211        volatile u8 cpwm_tog; /*  toggling */
 212
 213        u8 pwr_mode;
 214        u8 smart_ps;
 215        u8 bcn_ant_mode;
 216        u8 dtim;
 217
 218        u32 alives;
 219        _workitem cpwm_event;
 220        u8 brpwmtimeout;
 221        _workitem rpwmtimeoutwi;
 222        _timer pwr_rpwm_timer;
 223        u8 bpower_saving; /* for LPS/IPS */
 224
 225        u8 b_hw_radio_off;
 226        u8 reg_rfoff;
 227        u8 reg_pdnmode; /* powerdown mode */
 228        u32 rfoff_reason;
 229
 230        /* RF OFF Level */
 231        u32 cur_ps_level;
 232        u32 reg_rfps_level;
 233
 234        uint    ips_enter_cnts;
 235        uint    ips_leave_cnts;
 236
 237        u8 ips_mode;
 238        u8 ips_org_mode;
 239        u8 ips_mode_req; /*  used to accept the mode setting request, will update to ipsmode later */
 240        bool bips_processing;
 241        unsigned long ips_deny_time; /* will deny IPS when system time is smaller than this */
 242        u8 pre_ips_type;/*  0: default flow, 1: carddisbale flow */
 243
 244        /*  ps_deny: if 0, power save is free to go; otherwise deny all kinds of power save. */
 245        /*  Use PS_DENY_REASON to decide reason. */
 246        /*  Don't access this variable directly without control function, */
 247        /*  and this variable should be protected by lock. */
 248        u32 ps_deny;
 249
 250        u8 ps_processing; /* temporarily used to mark whether in rtw_ps_processor */
 251
 252        u8 fw_psmode_iface_id;
 253        u8 bLeisurePs;
 254        u8 LpsIdleCount;
 255        u8 power_mgnt;
 256        u8 org_power_mgnt;
 257        u8 bFwCurrentInPSMode;
 258        unsigned long   DelayLPSLastTimeStamp;
 259        s32             pnp_current_pwr_state;
 260        u8 pnp_bstop_trx;
 261
 262
 263        u8 bInternalAutoSuspend;
 264        u8 bInSuspend;
 265
 266        u8 bAutoResume;
 267        u8 autopm_cnt;
 268
 269        u8 bSupportRemoteWakeup;
 270        u8 wowlan_wake_reason;
 271        u8 wowlan_ap_mode;
 272        u8 wowlan_mode;
 273#ifdef CONFIG_WOWLAN
 274        u8 wowlan_pattern;
 275        u8 wowlan_magic;
 276        u8 wowlan_unicast;
 277        u8 wowlan_pattern_idx;
 278        u8 wowlan_pno_enable;
 279#ifdef CONFIG_PNO_SUPPORT
 280        u8 pno_in_resume;
 281        u8 pno_inited;
 282        struct pno_nlo_info *pnlo_info;
 283        struct pno_scan_info *pscan_info;
 284        struct pno_ssid_list *pno_ssid_list;
 285#endif
 286        u32     wowlan_pattern_context[8][5];
 287        u64             wowlan_fw_iv;
 288#endif /*  CONFIG_WOWLAN */
 289        _timer  pwr_state_check_timer;
 290        struct adapter *adapter;
 291        int             pwr_state_check_interval;
 292        u8 pwr_state_check_cnts;
 293
 294        int             ps_flag; /* used by autosuspend */
 295
 296        enum rt_rf_power_state  rf_pwrstate;/* cur power state, only for IPS */
 297        /* rt_rf_power_state    current_rfpwrstate; */
 298        enum rt_rf_power_state  change_rfpwrstate;
 299
 300        u8 bHWPowerdown; /* power down mode selection. 0:radio off, 1:power down */
 301        u8 bHWPwrPindetect; /* come from registrypriv.hwpwrp_detect. enable power down function. 0:disable, 1:enable */
 302        u8 bkeepfwalive;
 303        u8 brfoffbyhw;
 304        unsigned long PS_BBRegBackup[PSBBREG_TOTALCNT];
 305};
 306
 307#define rtw_get_ips_mode_req(pwrctl) \
 308        (pwrctl)->ips_mode_req
 309
 310#define rtw_ips_mode_req(pwrctl, ips_mode) \
 311        (pwrctl)->ips_mode_req = (ips_mode)
 312
 313#define RTW_PWR_STATE_CHK_INTERVAL 2000
 314
 315#define _rtw_set_pwr_state_check_timer(pwrctl, ms) \
 316        do { \
 317                /*DBG_871X("%s _rtw_set_pwr_state_check_timer(%p, %d)\n", __func__, (pwrctl), (ms));*/ \
 318                _set_timer(&(pwrctl)->pwr_state_check_timer, (ms)); \
 319        } while (0)
 320
 321#define rtw_set_pwr_state_check_timer(pwrctl) \
 322        _rtw_set_pwr_state_check_timer((pwrctl), (pwrctl)->pwr_state_check_interval)
 323
 324extern void rtw_init_pwrctrl_priv(struct adapter *adapter);
 325extern void rtw_free_pwrctrl_priv(struct adapter * adapter);
 326
 327s32 rtw_register_task_alive(struct adapter *, u32 task);
 328void rtw_unregister_task_alive(struct adapter *, u32 task);
 329extern s32 rtw_register_tx_alive(struct adapter *padapter);
 330extern void rtw_unregister_tx_alive(struct adapter *padapter);
 331extern s32 rtw_register_cmd_alive(struct adapter *padapter);
 332extern void rtw_unregister_cmd_alive(struct adapter *padapter);
 333extern void cpwm_int_hdl(struct adapter *padapter, struct reportpwrstate_parm *preportpwrstate);
 334extern void LPS_Leave_check(struct adapter *padapter);
 335
 336extern void LeaveAllPowerSaveMode(struct adapter * Adapter);
 337extern void LeaveAllPowerSaveModeDirect(struct adapter * Adapter);
 338void _ips_enter(struct adapter *padapter);
 339void ips_enter(struct adapter *padapter);
 340int _ips_leave(struct adapter *padapter);
 341int ips_leave(struct adapter *padapter);
 342
 343void rtw_ps_processor(struct adapter *padapter);
 344
 345s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms);
 346void LPS_Enter(struct adapter *padapter, const char *msg);
 347void LPS_Leave(struct adapter *padapter, const char *msg);
 348void traffic_check_for_leave_lps(struct adapter *padapter, u8 tx, u32 tx_packets);
 349void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode, const char *msg);
 350void rtw_set_rpwm(struct adapter *padapter, u8 val8);
 351
 352void rtw_set_ips_deny(struct adapter *padapter, u32 ms);
 353int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller);
 354#define rtw_pwr_wakeup(adapter) _rtw_pwr_wakeup(adapter, RTW_PWR_STATE_CHK_INTERVAL, __func__)
 355#define rtw_pwr_wakeup_ex(adapter, ips_deffer_ms) _rtw_pwr_wakeup(adapter, ips_deffer_ms, __func__)
 356int rtw_pm_set_ips(struct adapter *padapter, u8 mode);
 357int rtw_pm_set_lps(struct adapter *padapter, u8 mode);
 358
 359void rtw_ps_deny(struct adapter *padapter, enum PS_DENY_REASON reason);
 360void rtw_ps_deny_cancel(struct adapter *padapter, enum PS_DENY_REASON reason);
 361u32 rtw_ps_deny_get(struct adapter *padapter);
 362
 363#endif  /* __RTL871X_PWRCTRL_H_ */
 364