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Viewing changes to drivers/staging/rtl8712/rtl871x_pwrctrl.h

  • Committer: Package Import Robot
  • Author(s): Alessio Igor Bogani
  • Date: 2011-10-26 11:13:05 UTC
  • Revision ID: package-import@ubuntu.com-20111026111305-tz023xykf0i6eosh
Tags: upstream-3.2.0
Import upstream version 3.2.0

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drivers/staging/rtl8712/rtl871x_pwrctrl.h
 
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/******************************************************************************
 
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 *
 
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 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 
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 *
 
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 * This program is free software; you can redistribute it and/or modify it
 
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 * under the terms of version 2 of the GNU General Public License as
 
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 * published by the Free Software Foundation.
 
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 *
 
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 * This program is distributed in the hope that it will be useful, but WITHOUT
 
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 
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 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
 
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 * more details.
 
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 *
 
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 * You should have received a copy of the GNU General Public License along with
 
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 * this program; if not, write to the Free Software Foundation, Inc.,
 
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
 
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 *
 
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 * Modifications for inclusion into the Linux staging tree are
 
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 * Copyright(c) 2010 Larry Finger. All rights reserved.
 
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 *
 
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 * Contact information:
 
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 * WLAN FAE <wlanfae@realtek.com>
 
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 * Larry Finger <Larry.Finger@lwfinger.net>
 
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 *
 
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 ******************************************************************************/
 
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#ifndef __RTL871X_PWRCTRL_H_
 
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#define __RTL871X_PWRCTRL_H_
 
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#include "osdep_service.h"
 
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#include "drv_types.h"
 
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#define FW_PWR0 0
 
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#define FW_PWR1         1
 
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#define FW_PWR2         2
 
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#define FW_PWR3         3
 
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#define HW_PWR0 7
 
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#define HW_PWR1         6
 
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#define HW_PWR2         2
 
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#define HW_PWR3 0
 
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#define HW_PWR4 8
 
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#define FW_PWRMSK       0x7
 
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#define XMIT_ALIVE      BIT(0)
 
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#define RECV_ALIVE      BIT(1)
 
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#define CMD_ALIVE       BIT(2)
 
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#define EVT_ALIVE       BIT(3)
 
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enum Power_Mgnt {
 
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        PS_MODE_ACTIVE  = 0     ,
 
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        PS_MODE_MIN                     ,
 
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        PS_MODE_MAX                     ,
 
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        PS_MODE_DTIM                    ,
 
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        PS_MODE_VOIP                    ,
 
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        PS_MODE_UAPSD_WMM       ,
 
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        PS_MODE_UAPSD                   ,
 
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        PS_MODE_IBSS                    ,
 
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        PS_MODE_WWLAN           ,
 
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        PM_Radio_Off                    ,
 
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        PM_Card_Disable         ,
 
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        PS_MODE_NUM
 
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};
 
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/*
 
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        BIT[2:0] = HW state
 
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        BIT[3] = Protocol PS state, 0: register active state,
 
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                                    1: register sleep state
 
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        BIT[4] = sub-state
 
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*/
 
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#define         PS_DPS                          BIT(0)
 
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#define         PS_LCLK                         (PS_DPS)
 
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#define PS_RF_OFF                       BIT(1)
 
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#define PS_ALL_ON                       BIT(2)
 
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#define PS_ST_ACTIVE            BIT(3)
 
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#define PS_LP                           BIT(4)  /* low performance */
 
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#define PS_STATE_MASK           (0x0F)
 
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#define PS_STATE_HW_MASK        (0x07)
 
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#define         PS_SEQ_MASK             (0xc0)
 
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#define PS_STATE(x)                     (PS_STATE_MASK & (x))
 
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#define PS_STATE_HW(x)  (PS_STATE_HW_MASK & (x))
 
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#define PS_SEQ(x)                       (PS_SEQ_MASK & (x))
 
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#define PS_STATE_S0             (PS_DPS)
 
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#define         PS_STATE_S1             (PS_LCLK)
 
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#define PS_STATE_S2             (PS_RF_OFF)
 
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#define         PS_STATE_S3             (PS_ALL_ON)
 
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#define PS_STATE_S4             ((PS_ST_ACTIVE) | (PS_ALL_ON))
 
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#define         PS_IS_RF_ON(x)          ((x) & (PS_ALL_ON))
 
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#define         PS_IS_ACTIVE(x)         ((x) & (PS_ST_ACTIVE))
 
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#define         CLR_PS_STATE(x) ((x) = ((x) & (0xF0)))
 
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struct reportpwrstate_parm {
 
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        unsigned char mode;
 
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        unsigned char state; /* the CPWM value */
 
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        unsigned short rsvd;
 
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};
 
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static inline void _enter_pwrlock(struct semaphore *plock)
 
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{
 
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        _down_sema(plock);
 
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}
 
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struct  pwrctrl_priv {
 
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        struct semaphore lock;
 
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        /*volatile*/ u8 rpwm; /* requested power state for fw */
 
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        /* fw current power state. updated when 1. read from HCPWM or
 
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         * 2. driver lowers power level */
 
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        /*volatile*/ u8 cpwm;
 
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        /*volatile*/ u8 tog; /* toggling */
 
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        /*volatile*/ u8 cpwm_tog; /* toggling */
 
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        /*volatile*/ u8 tgt_rpwm; /* wanted power state */
 
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        uint pwr_mode;
 
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        uint smart_ps;
 
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        uint alives;
 
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        uint ImrContent;        /* used to store original imr. */
 
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        uint bSleep; /* sleep -> active is different from active -> sleep. */
 
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        _workitem SetPSModeWorkItem;
 
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        _workitem rpwm_workitem;
 
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        struct timer_list rpwm_check_timer;
 
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        u8      rpwm_retry;
 
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        uint    bSetPSModeWorkItemInProgress;
 
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        struct semaphore pnp_pwr_mgnt_sema;
 
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        spinlock_t pnp_pwr_mgnt_lock;
 
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        s32     pnp_current_pwr_state;
 
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        u8      pnp_bstop_trx;
 
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        u8      pnp_wwirp_pending;
 
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};
 
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void r8712_init_pwrctrl_priv(struct _adapter *adapter);
 
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sint r8712_register_cmd_alive(struct _adapter *padapter);
 
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void r8712_unregister_cmd_alive(struct _adapter *padapter);
 
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void r8712_cpwm_int_hdl(struct _adapter *padapter,
 
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                        struct reportpwrstate_parm *preportpwrstate);
 
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void r8712_set_ps_mode(struct _adapter *padapter, uint ps_mode,
 
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                        uint smart_ps);
 
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void r8712_set_rpwm(struct _adapter *padapter, u8 val8);
 
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#endif  /* __RTL871X_PWRCTRL_H_ */