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0e54f609 AB |
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 | * | |
b4f6209d AB |
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> | |
0e54f609 AB |
24 | * |
25 | ******************************************************************************/ | |
2865d42c LF |
26 | #ifndef __RTL871X_PWRCTRL_H_ |
27 | #define __RTL871X_PWRCTRL_H_ | |
28 | ||
29 | #include "osdep_service.h" | |
30 | #include "drv_types.h" | |
31 | ||
32 | ||
2865d42c | 33 | #define CMD_ALIVE BIT(2) |
2865d42c LF |
34 | |
35 | enum Power_Mgnt { | |
0636b460 MP |
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, | |
2865d42c LF |
47 | PS_MODE_NUM |
48 | }; | |
49 | ||
2865d42c LF |
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 | ||
143198fd JS |
110 | struct work_struct SetPSModeWorkItem; |
111 | struct work_struct rpwm_workitem; | |
2865d42c LF |
112 | struct timer_list rpwm_check_timer; |
113 | u8 rpwm_retry; | |
114 | uint bSetPSModeWorkItemInProgress; | |
115 | ||
2865d42c LF |
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_ */ |