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rtl8188eu/include/rtw_pwrctrl.h
Larry Finger 19db43ecbd rtl8188eu: Backport kernel version 
This driver was added to the kernel with version 3.12. The changes in that
version are now brought back to the GitHub repo. Essentually all of the code
is updated.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
2013-10-19 12:45:47 -05:00

283 lines
7.6 KiB
C
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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)
{
_rtw_init_sema(plock, 1);
}
static inline void _free_pwrlock(struct semaphore *plock)
{
_rtw_free_sema(plock);
}
static inline void _enter_pwrlock(struct semaphore *plock)
{
_rtw_down_sema(plock);
}
static inline void _exit_pwrlock(struct semaphore *plock)
{
_rtw_up_sema(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;
u32 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;
#ifdef CONFIG_BT_COEXIST
u8 bAutoResume;
u8 autopm_cnt;
#endif
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) \
do { \
_set_timer(&(pwrctrlpriv)->pwr_state_check_timer, (ms)); \
} while (0)
#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_free_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);
u8 rtw_interface_ps_func(struct adapter *adapter,
enum hal_intf_ps_func efunc_id, u8 *val);
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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