cregit-Linux how code gets into the kernel

Release 4.7 drivers/staging/rtl8712/rtl871x_pwrctrl.h

/******************************************************************************
 *
 * 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:
 * WLAN FAE <wlanfae@realtek.com>
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 ******************************************************************************/
#ifndef __RTL871X_PWRCTRL_H_

#define __RTL871X_PWRCTRL_H_

#include "osdep_service.h"
#include "drv_types.h"



#define CMD_ALIVE	BIT(2)


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_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) { _down_sema(plock); }

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larry fingerlarry finger17100.00%1100.00%
Total17100.00%1100.00%

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_ */

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larry fingerlarry finger32998.50%133.33%
james a shacklefordjames a shackleford41.20%133.33%
ali baharali bahar10.30%133.33%
Total334100.00%3100.00%
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