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/******************************************************************************
*
* Copyright(c) 2007 - 2012 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
*
*
******************************************************************************/
#ifndef __RTW_PWRCTRL_H_
#define __RTW_PWRCTRL_H_
#include <osdep_service.h>
#include <drv_types.h>
#define FW_PWR0 0
#define FW_PWR1 1
#define FW_PWR2 2
#define FW_PWR3 3
#define HW_PWR0 7
#define HW_PWR1 6
#define HW_PWR2 2
#define HW_PWR3 0
#define HW_PWR4 8
#define FW_PWRMSK 0x7
#define XMIT_ALIVE BIT(0)
#define RECV_ALIVE BIT(1)
#define CMD_ALIVE BIT(2)
#define EVT_ALIVE BIT(3)
enum power_mgnt {
PS_MODE_ACTIVE = 0,
PS_MODE_MIN,
PS_MODE_MAX,
PS_MODE_DTIM,
PS_MODE_VOIP,
PS_MODE_UAPSD_WMM,
PS_MODE_UAPSD,
PS_MODE_IBSS,
PS_MODE_WWLAN,
PM_Radio_Off,
PM_Card_Disable,
PS_MODE_NUM
};
/*
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_ISR_ENABLE BIT(4)
#define PS_IMR_ENABLE BIT(5)
#define PS_ACK BIT(6)
#define PS_TOGGLE BIT(7)
#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 _init_pwrlock(struct semaphore *plock)
{
sema_init(plock, 1);
}
static inline void _enter_pwrlock(struct semaphore *plock)
{
_rtw_down_sema(plock);
}
static inline void _exit_pwrlock(struct semaphore *plock)
{
up(plock);
}
#define LPS_DELAY_TIME 1*HZ /* 1 sec */
#define EXE_PWR_NONE 0x01
#define EXE_PWR_IPS 0x02
#define EXE_PWR_LPS 0x04
/* RF state. */
enum rt_rf_power_state {
rf_on, /* RF is on after RFSleep or RFOff */
rf_sleep, /* 802.11 Power Save mode */
rf_off, /* HW/SW Radio OFF or Inactive Power Save */
/* Add the new RF state above this line===== */
rf_max
};
/* RF Off Level for IPS or HW/SW radio off */
#define RT_RF_OFF_LEVL_ASPM BIT(0) /* PCI ASPM */
#define RT_RF_OFF_LEVL_CLK_REQ BIT(1) /* PCI clock request */
#define RT_RF_OFF_LEVL_PCI_D3 BIT(2) /* PCI D3 mode */
#define RT_RF_OFF_LEVL_HALT_NIC BIT(3) /* NIC halt, re-init hw param*/
#define RT_RF_OFF_LEVL_FREE_FW BIT(4) /* FW free, re-download the FW*/
#define RT_RF_OFF_LEVL_FW_32K BIT(5) /* FW in 32k */
#define RT_RF_PS_LEVEL_ALWAYS_ASPM BIT(6) /* Always enable ASPM and Clock
* Req in initialization. */
#define RT_RF_LPS_DISALBE_2R BIT(30) /* When LPS is on, disable 2R
* if no packet is RX or TX. */
#define RT_RF_LPS_LEVEL_ASPM BIT(31) /* LPS with ASPM */
#define RT_IN_PS_LEVEL(ppsc, _PS_FLAG) \
((ppsc->cur_ps_level & _PS_FLAG) ? true : false)
#define RT_CLEAR_PS_LEVEL(ppsc, _PS_FLAG) \
(ppsc->cur_ps_level &= (~(_PS_FLAG)))
#define RT_SET_PS_LEVEL(ppsc, _PS_FLAG) \
(ppsc->cur_ps_level |= _PS_FLAG)
enum _PS_BBRegBackup_ {
PSBBREG_RF0 = 0,
PSBBREG_RF1,
PSBBREG_RF2,
PSBBREG_AFE0,
PSBBREG_TOTALCNT
};
enum { /* for ips_mode */
IPS_NONE = 0,
IPS_NORMAL,
IPS_LEVEL_2,
};
struct pwrctrl_priv {
struct semaphore lock;
volatile u8 rpwm; /* requested power state for fw */
volatile u8 cpwm; /* fw current power state. updated when
* 1. read from HCPWM 2. driver lowers power level */
volatile u8 tog; /* toggling */
volatile u8 cpwm_tog; /* toggling */
u8 pwr_mode;
u8 smart_ps;
u8 bcn_ant_mode;
u32 alives;
struct work_struct cpwm_event;
u8 bpower_saving;
u8 b_hw_radio_off;
u8 reg_rfoff;
u8 reg_pdnmode; /* powerdown mode */
u32 rfoff_reason;
/* RF OFF Level */
u32 cur_ps_level;
u32 reg_rfps_level;
uint ips_enter_cnts;
uint ips_leave_cnts;
u8 ips_mode;
u8 ips_mode_req; /* used to accept the mode setting request,
* will update to ipsmode later */
uint bips_processing;
unsigned long ips_deny_time; /* will deny IPS when system time less than this */
u8 ps_processing; /* temp used to mark whether in rtw_ps_processor */
u8 bLeisurePs;
u8 LpsIdleCount;
u8 power_mgnt;
u8 bFwCurrentInPSMode;
u32 DelayLPSLastTimeStamp;
u8 btcoex_rfon;
s32 pnp_current_pwr_state;
u8 pnp_bstop_trx;
u8 bInternalAutoSuspend;
u8 bInSuspend;
u8 bSupportRemoteWakeup;
struct timer_list pwr_state_check_timer;
int pwr_state_check_interval;
u8 pwr_state_check_cnts;
int ps_flag;
enum rt_rf_power_state rf_pwrstate;/* cur power state */
enum rt_rf_power_state change_rfpwrstate;
u8 wepkeymask;
u8 bHWPowerdown;/* if support hw power down */
u8 bHWPwrPindetect;
u8 bkeepfwalive;
u8 brfoffbyhw;
unsigned long PS_BBRegBackup[PSBBREG_TOTALCNT];
};
#define rtw_get_ips_mode_req(pwrctrlpriv) \
(pwrctrlpriv)->ips_mode_req
#define rtw_ips_mode_req(pwrctrlpriv, ips_mode) \
((pwrctrlpriv)->ips_mode_req = (ips_mode))
#define RTW_PWR_STATE_CHK_INTERVAL 2000
#define _rtw_set_pwr_state_check_timer(pwrctrlpriv, ms) \
mod_timer(&pwrctrlpriv->pwr_state_check_timer, \
jiffies + msecs_to_jiffies(ms))
#define rtw_set_pwr_state_check_timer(pwrctrl) \
_rtw_set_pwr_state_check_timer((pwrctrl), \
(pwrctrl)->pwr_state_check_interval)
void rtw_init_pwrctrl_priv(struct adapter *adapter);
void rtw_set_ps_mode(struct adapter *adapter, u8 ps_mode, u8 smart_ps,
u8 bcn_ant_mode);
void rtw_set_rpwm(struct adapter *adapter, u8 val8);
void LeaveAllPowerSaveMode(struct adapter *adapter);
void ips_enter(struct adapter *padapter);
int ips_leave(struct adapter *padapter);
void rtw_ps_processor(struct adapter *padapter);
enum rt_rf_power_state RfOnOffDetect(struct adapter *iadapter);
s32 LPS_RF_ON_check(struct adapter *adapter, u32 delay_ms);
void LPS_Enter(struct adapter *adapter);
void LPS_Leave(struct adapter *adapter);
void rtw_set_ips_deny(struct adapter *adapter, u32 ms);
int _rtw_pwr_wakeup(struct adapter *adapter, u32 ips_defer_ms,
const char *caller);
#define rtw_pwr_wakeup(adapter) \
_rtw_pwr_wakeup(adapter, RTW_PWR_STATE_CHK_INTERVAL, __func__)
#define rtw_pwr_wakeup_ex(adapter, ips_deffer_ms) \
_rtw_pwr_wakeup(adapter, ips_deffer_ms, __func__)
int rtw_pm_set_ips(struct adapter *adapter, u8 mode);
int rtw_pm_set_lps(struct adapter *adapter, u8 mode);
#endif /* __RTL871X_PWRCTRL_H_ */
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