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