Ali Bahar | 0e54f60 | 2011-08-23 13:53:37 +0800 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
| 3 | * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved. |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of version 2 of the GNU General Public License as |
| 7 | * published by the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program; if not, write to the Free Software Foundation, Inc., |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA |
| 17 | * |
Ali Bahar | b4f6209 | 2011-08-23 13:53:38 +0800 | [diff] [blame] | 18 | * Modifications for inclusion into the Linux staging tree are |
| 19 | * Copyright(c) 2010 Larry Finger. All rights reserved. |
| 20 | * |
| 21 | * Contact information: |
| 22 | * WLAN FAE <wlanfae@realtek.com> |
| 23 | * Larry Finger <Larry.Finger@lwfinger.net> |
Ali Bahar | 0e54f60 | 2011-08-23 13:53:37 +0800 | [diff] [blame] | 24 | * |
| 25 | ******************************************************************************/ |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 26 | #ifndef __RTL871X_PWRCTRL_H_ |
| 27 | #define __RTL871X_PWRCTRL_H_ |
| 28 | |
| 29 | #include "osdep_service.h" |
| 30 | #include "drv_types.h" |
| 31 | |
| 32 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 33 | #define CMD_ALIVE BIT(2) |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 34 | |
| 35 | enum Power_Mgnt { |
| 36 | PS_MODE_ACTIVE = 0 , |
| 37 | PS_MODE_MIN , |
| 38 | PS_MODE_MAX , |
| 39 | PS_MODE_DTIM , |
| 40 | PS_MODE_VOIP , |
| 41 | PS_MODE_UAPSD_WMM , |
| 42 | PS_MODE_UAPSD , |
| 43 | PS_MODE_IBSS , |
| 44 | PS_MODE_WWLAN , |
| 45 | PM_Radio_Off , |
| 46 | PM_Card_Disable , |
| 47 | PS_MODE_NUM |
| 48 | }; |
| 49 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 50 | /* |
| 51 | BIT[2:0] = HW state |
| 52 | BIT[3] = Protocol PS state, 0: register active state, |
| 53 | 1: register sleep state |
| 54 | BIT[4] = sub-state |
| 55 | */ |
| 56 | |
| 57 | #define PS_DPS BIT(0) |
| 58 | #define PS_LCLK (PS_DPS) |
| 59 | #define PS_RF_OFF BIT(1) |
| 60 | #define PS_ALL_ON BIT(2) |
| 61 | #define PS_ST_ACTIVE BIT(3) |
| 62 | #define PS_LP BIT(4) /* low performance */ |
| 63 | |
| 64 | #define PS_STATE_MASK (0x0F) |
| 65 | #define PS_STATE_HW_MASK (0x07) |
| 66 | #define PS_SEQ_MASK (0xc0) |
| 67 | |
| 68 | #define PS_STATE(x) (PS_STATE_MASK & (x)) |
| 69 | #define PS_STATE_HW(x) (PS_STATE_HW_MASK & (x)) |
| 70 | #define PS_SEQ(x) (PS_SEQ_MASK & (x)) |
| 71 | |
| 72 | #define PS_STATE_S0 (PS_DPS) |
| 73 | #define PS_STATE_S1 (PS_LCLK) |
| 74 | #define PS_STATE_S2 (PS_RF_OFF) |
| 75 | #define PS_STATE_S3 (PS_ALL_ON) |
| 76 | #define PS_STATE_S4 ((PS_ST_ACTIVE) | (PS_ALL_ON)) |
| 77 | |
| 78 | |
| 79 | #define PS_IS_RF_ON(x) ((x) & (PS_ALL_ON)) |
| 80 | #define PS_IS_ACTIVE(x) ((x) & (PS_ST_ACTIVE)) |
| 81 | #define CLR_PS_STATE(x) ((x) = ((x) & (0xF0))) |
| 82 | |
| 83 | |
| 84 | struct reportpwrstate_parm { |
| 85 | unsigned char mode; |
| 86 | unsigned char state; /* the CPWM value */ |
| 87 | unsigned short rsvd; |
| 88 | }; |
| 89 | |
| 90 | static inline void _enter_pwrlock(struct semaphore *plock) |
| 91 | { |
| 92 | _down_sema(plock); |
| 93 | } |
| 94 | |
| 95 | struct pwrctrl_priv { |
| 96 | struct semaphore lock; |
| 97 | /*volatile*/ u8 rpwm; /* requested power state for fw */ |
| 98 | /* fw current power state. updated when 1. read from HCPWM or |
| 99 | * 2. driver lowers power level */ |
| 100 | /*volatile*/ u8 cpwm; |
| 101 | /*volatile*/ u8 tog; /* toggling */ |
| 102 | /*volatile*/ u8 cpwm_tog; /* toggling */ |
| 103 | /*volatile*/ u8 tgt_rpwm; /* wanted power state */ |
| 104 | uint pwr_mode; |
| 105 | uint smart_ps; |
| 106 | uint alives; |
| 107 | uint ImrContent; /* used to store original imr. */ |
| 108 | uint bSleep; /* sleep -> active is different from active -> sleep. */ |
| 109 | |
| 110 | _workitem SetPSModeWorkItem; |
| 111 | _workitem rpwm_workitem; |
| 112 | struct timer_list rpwm_check_timer; |
| 113 | u8 rpwm_retry; |
| 114 | uint bSetPSModeWorkItemInProgress; |
| 115 | |
Larry Finger | 2865d42 | 2010-08-20 10:15:30 -0500 | [diff] [blame] | 116 | spinlock_t pnp_pwr_mgnt_lock; |
| 117 | s32 pnp_current_pwr_state; |
| 118 | u8 pnp_bstop_trx; |
| 119 | u8 pnp_wwirp_pending; |
| 120 | }; |
| 121 | |
| 122 | void r8712_init_pwrctrl_priv(struct _adapter *adapter); |
| 123 | sint r8712_register_cmd_alive(struct _adapter *padapter); |
| 124 | void r8712_unregister_cmd_alive(struct _adapter *padapter); |
| 125 | void r8712_cpwm_int_hdl(struct _adapter *padapter, |
| 126 | struct reportpwrstate_parm *preportpwrstate); |
| 127 | void r8712_set_ps_mode(struct _adapter *padapter, uint ps_mode, |
| 128 | uint smart_ps); |
| 129 | void r8712_set_rpwm(struct _adapter *padapter, u8 val8); |
| 130 | |
| 131 | #endif /* __RTL871X_PWRCTRL_H_ */ |