LXR linux/drivers/staging/rtl8712/rtl871x

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/******************************************************************************
   3 *
   4 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   5 *
   6 * Modifications for inclusion into the Linux staging tree are
   7 * Copyright(c) 2010 Larry Finger. All rights reserved.
   8 *
   9 * Contact information:
  10 * WLAN FAE <wlanfae@realtek.com>
  11 * Larry Finger <Larry.Finger@lwfinger.net>
  12 *
  13 ******************************************************************************/
  14#ifndef __RTL871X_PWRCTRL_H_
  15#define __RTL871X_PWRCTRL_H_
  16
  17#include "osdep_service.h"
  18#include "drv_types.h"
  19
  20
  21#define CMD_ALIVE       BIT(2)
  22
  23enum Power_Mgnt {
  24        PS_MODE_ACTIVE  = 0,
  25        PS_MODE_MIN,
  26        PS_MODE_MAX,
  27        PS_MODE_DTIM,
  28        PS_MODE_VOIP,
  29        PS_MODE_UAPSD_WMM,
  30        PS_MODE_UAPSD,
  31        PS_MODE_IBSS,
  32        PS_MODE_WWLAN,
  33        PM_Radio_Off,
  34        PM_Card_Disable,
  35        PS_MODE_NUM
  36};
  37
  38/*
  39 * BIT[2:0] = HW state
  40 * BIT[3] = Protocol PS state, 0: register active state,
  41 *                              1: register sleep state
  42 * BIT[4] = sub-state
  43 */
  44
  45#define         PS_DPS                          BIT(0)
  46#define         PS_LCLK                         (PS_DPS)
  47#define PS_RF_OFF                       BIT(1)
  48#define PS_ALL_ON                       BIT(2)
  49#define PS_ST_ACTIVE            BIT(3)
  50#define PS_LP                           BIT(4)  /* low performance */
  51
  52#define PS_STATE_MASK           (0x0F)
  53#define PS_STATE_HW_MASK        (0x07)
  54#define         PS_SEQ_MASK             (0xc0)
  55
  56#define PS_STATE(x)                     (PS_STATE_MASK & (x))
  57#define PS_STATE_HW(x)  (PS_STATE_HW_MASK & (x))
  58#define PS_SEQ(x)                       (PS_SEQ_MASK & (x))
  59
  60#define PS_STATE_S0             (PS_DPS)
  61#define         PS_STATE_S1             (PS_LCLK)
  62#define PS_STATE_S2             (PS_RF_OFF)
  63#define         PS_STATE_S3             (PS_ALL_ON)
  64#define PS_STATE_S4             ((PS_ST_ACTIVE) | (PS_ALL_ON))
  65
  66
  67#define         PS_IS_RF_ON(x)          ((x) & (PS_ALL_ON))
  68#define         PS_IS_ACTIVE(x)         ((x) & (PS_ST_ACTIVE))
  69#define         CLR_PS_STATE(x) ((x) = ((x) & (0xF0)))
  70
  71
  72struct reportpwrstate_parm {
  73        unsigned char mode;
  74        unsigned char state; /* the CPWM value */
  75        unsigned short rsvd;
  76};
  77
  78struct  pwrctrl_priv {
  79        struct mutex mutex_lock;
  80        /*volatile*/ u8 rpwm; /* requested power state for fw */
  81        /* fw current power state. updated when 1. read from HCPWM or
  82         * 2. driver lowers power level
  83         */
  84        /*volatile*/ u8 cpwm;
  85        /*volatile*/ u8 tog; /* toggling */
  86        /*volatile*/ u8 cpwm_tog; /* toggling */
  87        /*volatile*/ u8 tgt_rpwm; /* wanted power state */
  88        uint pwr_mode;
  89        uint smart_ps;
  90        uint alives;
  91        uint ImrContent;        /* used to store original imr. */
  92        uint bSleep; /* sleep -> active is different from active -> sleep. */
  93
  94        struct work_struct SetPSModeWorkItem;
  95        struct work_struct rpwm_workitem;
  96        struct timer_list rpwm_check_timer;
  97        u8      rpwm_retry;
  98        uint    bSetPSModeWorkItemInProgress;
  99
 100        spinlock_t pnp_pwr_mgnt_lock;
 101        s32     pnp_current_pwr_state;
 102        u8      pnp_bstop_trx;
 103        u8      pnp_wwirp_pending;
 104};
 105
 106void r8712_init_pwrctrl_priv(struct _adapter *adapter);
 107int r8712_register_cmd_alive(struct _adapter *padapter);
 108void r8712_unregister_cmd_alive(struct _adapter *padapter);
 109void r8712_cpwm_int_hdl(struct _adapter *padapter,
 110                        struct reportpwrstate_parm *preportpwrstate);
 111void r8712_set_ps_mode(struct _adapter *padapter, uint ps_mode,
 112                        uint smart_ps);
 113void r8712_set_rpwm(struct _adapter *padapter, u8 val8);
 114
 115#endif  /* __RTL871X_PWRCTRL_H_ */
 116