1 /* SPDX-License-Identifier: GPL-2.0 */
2 /******************************************************************************
3  *
4  * Copyright(c) 2007 - 2012 Realtek Corporation. All rights reserved.
5  *
6  ******************************************************************************/
7 #ifndef __RTW_PWRCTRL_H_
8 #define __RTW_PWRCTRL_H_
9 
10 
11 #define FW_PWR0	0
12 #define FW_PWR1		1
13 #define FW_PWR2		2
14 #define FW_PWR3		3
15 
16 
17 #define HW_PWR0	7
18 #define HW_PWR1		6
19 #define HW_PWR2		2
20 #define HW_PWR3	0
21 #define HW_PWR4	8
22 
23 #define FW_PWRMSK	0x7
24 
25 
26 #define XMIT_ALIVE	BIT(0)
27 #define RECV_ALIVE	BIT(1)
28 #define CMD_ALIVE	BIT(2)
29 #define EVT_ALIVE	BIT(3)
30 #define BTCOEX_ALIVE	BIT(4)
31 
32 
33 enum Power_Mgnt {
34 	PS_MODE_ACTIVE	= 0,
35 	PS_MODE_MIN,
36 	PS_MODE_MAX,
37 	PS_MODE_DTIM,	/* PS_MODE_SELF_DEFINED */
38 	PS_MODE_VOIP,
39 	PS_MODE_UAPSD_WMM,
40 	PS_MODE_UAPSD,
41 	PS_MODE_IBSS,
42 	PS_MODE_WWLAN,
43 	PM_Radio_Off,
44 	PM_Card_Disable,
45 	PS_MODE_NUM,
46 };
47 
48 #ifdef CONFIG_PNO_SUPPORT
49 #define MAX_PNO_LIST_COUNT 16
50 #define MAX_SCAN_LIST_COUNT 14 /* 2.4G only */
51 #endif
52 
53 /*
54 	BIT[2:0] = HW state
55 	BIT[3] = Protocol PS state,   0: register active state , 1: register sleep state
56 	BIT[4] = sub-state
57 */
58 
59 #define PS_DPS				BIT(0)
60 #define PS_LCLK				(PS_DPS)
61 #define PS_RF_OFF			BIT(1)
62 #define PS_ALL_ON			BIT(2)
63 #define PS_ST_ACTIVE		BIT(3)
64 
65 #define PS_ISR_ENABLE		BIT(4)
66 #define PS_IMR_ENABLE		BIT(5)
67 #define PS_ACK				BIT(6)
68 #define PS_TOGGLE			BIT(7)
69 
70 #define PS_STATE_MASK		(0x0F)
71 #define PS_STATE_HW_MASK	(0x07)
72 #define PS_SEQ_MASK			(0xc0)
73 
74 #define PS_STATE(x)		(PS_STATE_MASK & (x))
75 #define PS_STATE_HW(x)	(PS_STATE_HW_MASK & (x))
76 #define PS_SEQ(x)		(PS_SEQ_MASK & (x))
77 
78 #define PS_STATE_S0		(PS_DPS)
79 #define PS_STATE_S1		(PS_LCLK)
80 #define PS_STATE_S2		(PS_RF_OFF)
81 #define PS_STATE_S3		(PS_ALL_ON)
82 #define PS_STATE_S4		((PS_ST_ACTIVE) | (PS_ALL_ON))
83 
84 
85 #define PS_IS_RF_ON(x)	((x) & (PS_ALL_ON))
86 #define PS_IS_ACTIVE(x)	((x) & (PS_ST_ACTIVE))
87 #define CLR_PS_STATE(x)	((x) = ((x) & (0xF0)))
88 
89 
90 struct reportpwrstate_parm {
91 	unsigned char mode;
92 	unsigned char state; /* the CPWM value */
93 	unsigned short rsvd;
94 };
95 
96 
97 typedef _sema _pwrlock;
98 
99 
100 #define LPS_DELAY_TIME	1*HZ /*  1 sec */
101 
102 #define EXE_PWR_NONE	0x01
103 #define EXE_PWR_IPS		0x02
104 #define EXE_PWR_LPS		0x04
105 
106 /*  RF state. */
107 enum rt_rf_power_state {
108 	rf_on,		/*  RF is on after RFSleep or RFOff */
109 	rf_sleep,	/*  802.11 Power Save mode */
110 	rf_off,		/*  HW/SW Radio OFF or Inactive Power Save */
111 	/* Add the new RF state above this line ===== */
112 	rf_max
113 };
114 
115 /*  RF Off Level for IPS or HW/SW radio off */
116 #define	RT_RF_OFF_LEVL_ASPM			BIT(0)	/*  PCI ASPM */
117 #define	RT_RF_OFF_LEVL_CLK_REQ		BIT(1)	/*  PCI clock request */
118 #define	RT_RF_OFF_LEVL_PCI_D3			BIT(2)	/*  PCI D3 mode */
119 #define	RT_RF_OFF_LEVL_HALT_NIC		BIT(3)	/*  NIC halt, re-initialize hw parameters */
120 #define	RT_RF_OFF_LEVL_FREE_FW		BIT(4)	/*  FW free, re-download the FW */
121 #define	RT_RF_OFF_LEVL_FW_32K		BIT(5)	/*  FW in 32k */
122 #define	RT_RF_PS_LEVEL_ALWAYS_ASPM	BIT(6)	/*  Always enable ASPM and Clock Req in initialization. */
123 #define	RT_RF_LPS_DISALBE_2R			BIT(30)	/*  When LPS is on, disable 2R if no packet is received or transmittd. */
124 #define	RT_RF_LPS_LEVEL_ASPM			BIT(31)	/*  LPS with ASPM */
125 
126 #define	RT_IN_PS_LEVEL(ppsc, _PS_FLAG)		((ppsc->cur_ps_level & _PS_FLAG) ? true : false)
127 #define	RT_CLEAR_PS_LEVEL(ppsc, _PS_FLAG)	(ppsc->cur_ps_level &= (~(_PS_FLAG)))
128 #define	RT_SET_PS_LEVEL(ppsc, _PS_FLAG)		(ppsc->cur_ps_level |= _PS_FLAG)
129 
130 /*  ASPM OSC Control bit, added by Roger, 2013.03.29. */
131 #define	RT_PCI_ASPM_OSC_IGNORE		0	 /*  PCI ASPM ignore OSC control in default */
132 #define	RT_PCI_ASPM_OSC_ENABLE		BIT0 /*  PCI ASPM controlled by OS according to ACPI Spec 5.0 */
133 #define	RT_PCI_ASPM_OSC_DISABLE		BIT1 /*  PCI ASPM controlled by driver or BIOS, i.e., force enable ASPM */
134 
135 
136 enum _PS_BBRegBackup_ {
137 	PSBBREG_RF0 = 0,
138 	PSBBREG_RF1,
139 	PSBBREG_RF2,
140 	PSBBREG_AFE0,
141 	PSBBREG_TOTALCNT
142 };
143 
144 enum { /*  for ips_mode */
145 	IPS_NONE = 0,
146 	IPS_NORMAL,
147 	IPS_LEVEL_2,
148 	IPS_NUM
149 };
150 
151 /*  Design for pwrctrl_priv.ips_deny, 32 bits for 32 reasons at most */
152 enum PS_DENY_REASON {
153 	PS_DENY_DRV_INITIAL = 0,
154 	PS_DENY_SCAN,
155 	PS_DENY_JOIN,
156 	PS_DENY_DISCONNECT,
157 	PS_DENY_SUSPEND,
158 	PS_DENY_IOCTL,
159 	PS_DENY_MGNT_TX,
160 	PS_DENY_DRV_REMOVE = 30,
161 	PS_DENY_OTHERS = 31
162 };
163 
164 #ifdef CONFIG_PNO_SUPPORT
165 typedef struct pno_nlo_info
166 {
167 	u32 fast_scan_period;				/* Fast scan period */
168 	u32 ssid_num;				/* number of entry */
169 	u32 slow_scan_period;			/* slow scan period */
170 	u32 fast_scan_iterations;			/* Fast scan iterations */
171 	u8 ssid_length[MAX_PNO_LIST_COUNT];	/* SSID Length Array */
172 	u8 ssid_cipher_info[MAX_PNO_LIST_COUNT];	/* Cipher information for security */
173 	u8 ssid_channel_info[MAX_PNO_LIST_COUNT];	/* channel information */
174 }pno_nlo_info_t;
175 
176 typedef struct pno_ssid {
177 	u32 	SSID_len;
178 	u8 SSID[32];
179 } pno_ssid_t;
180 
181 typedef struct pno_ssid_list {
182 	pno_ssid_t	node[MAX_PNO_LIST_COUNT];
183 }pno_ssid_list_t;
184 
185 typedef struct pno_scan_channel_info
186 {
187 	u8 channel;
188 	u8 tx_power;
189 	u8 timeout;
190 	u8 active;				/* set 1 means active scan, or pasivite scan. */
191 }pno_scan_channel_info_t;
192 
193 typedef struct pno_scan_info
194 {
195 	u8 enableRFE;			/* Enable RFE */
196 	u8 period_scan_time;		/* exclusive with fast_scan_period and slow_scan_period */
197 	u8 periodScan;			/* exclusive with fast_scan_period and slow_scan_period */
198 	u8 orig_80_offset;			/* original channel 80 offset */
199 	u8 orig_40_offset;			/* original channel 40 offset */
200 	u8 orig_bw;			/* original bandwidth */
201 	u8 orig_ch;			/* original channel */
202 	u8 channel_num;			/* number of channel */
203 	u64	rfe_type;			/* rfe_type && 0x00000000000000ff */
204 	pno_scan_channel_info_t ssid_channel_info[MAX_SCAN_LIST_COUNT];
205 }pno_scan_info_t;
206 #endif /* CONFIG_PNO_SUPPORT */
207 
208 struct pwrctrl_priv
209 {
210 	_pwrlock	lock;
211 	_pwrlock	check_32k_lock;
212 	volatile u8 rpwm; /*  requested power state for fw */
213 	volatile u8 cpwm; /*  fw current power state. updated when 1. read from HCPWM 2. driver lowers power level */
214 	volatile u8 tog; /*  toggling */
215 	volatile u8 cpwm_tog; /*  toggling */
216 
217 	u8 pwr_mode;
218 	u8 smart_ps;
219 	u8 bcn_ant_mode;
220 	u8 dtim;
221 
222 	u32 alives;
223 	_workitem cpwm_event;
224 	u8 brpwmtimeout;
225 	_workitem rpwmtimeoutwi;
226 	_timer pwr_rpwm_timer;
227 	u8 bpower_saving; /* for LPS/IPS */
228 
229 	u8 b_hw_radio_off;
230 	u8 reg_rfoff;
231 	u8 reg_pdnmode; /* powerdown mode */
232 	u32 rfoff_reason;
233 
234 	/* RF OFF Level */
235 	u32 cur_ps_level;
236 	u32 reg_rfps_level;
237 
238 	uint	ips_enter_cnts;
239 	uint	ips_leave_cnts;
240 
241 	u8 ips_mode;
242 	u8 ips_org_mode;
243 	u8 ips_mode_req; /*  used to accept the mode setting request, will update to ipsmode later */
244 	bool bips_processing;
245 	unsigned long ips_deny_time; /* will deny IPS when system time is smaller than this */
246 	u8 pre_ips_type;/*  0: default flow, 1: carddisbale flow */
247 
248 	/*  ps_deny: if 0, power save is free to go; otherwise deny all kinds of power save. */
249 	/*  Use PS_DENY_REASON to decide reason. */
250 	/*  Don't access this variable directly without control function, */
251 	/*  and this variable should be protected by lock. */
252 	u32 ps_deny;
253 
254 	u8 ps_processing; /* temporarily used to mark whether in rtw_ps_processor */
255 
256 	u8 fw_psmode_iface_id;
257 	u8 bLeisurePs;
258 	u8 LpsIdleCount;
259 	u8 power_mgnt;
260 	u8 org_power_mgnt;
261 	u8 bFwCurrentInPSMode;
262 	unsigned long	DelayLPSLastTimeStamp;
263 	s32		pnp_current_pwr_state;
264 	u8 pnp_bstop_trx;
265 
266 
267 	u8 bInternalAutoSuspend;
268 	u8 bInSuspend;
269 
270 	u8 bAutoResume;
271 	u8 autopm_cnt;
272 
273 	u8 bSupportRemoteWakeup;
274 	u8 wowlan_wake_reason;
275 	u8 wowlan_ap_mode;
276 	u8 wowlan_mode;
277 #ifdef CONFIG_WOWLAN
278 	u8 wowlan_pattern;
279 	u8 wowlan_magic;
280 	u8 wowlan_unicast;
281 	u8 wowlan_pattern_idx;
282 	u8 wowlan_pno_enable;
283 #ifdef CONFIG_PNO_SUPPORT
284 	u8 pno_in_resume;
285 	u8 pno_inited;
286 	pno_nlo_info_t	*pnlo_info;
287 	pno_scan_info_t	*pscan_info;
288 	pno_ssid_list_t	*pno_ssid_list;
289 #endif
290 	u32 	wowlan_pattern_context[8][5];
291 	u64		wowlan_fw_iv;
292 #endif /*  CONFIG_WOWLAN */
293 	_timer	pwr_state_check_timer;
294 	struct adapter *adapter;
295 	int		pwr_state_check_interval;
296 	u8 pwr_state_check_cnts;
297 
298 	int		ps_flag; /* used by autosuspend */
299 
300 	enum rt_rf_power_state	rf_pwrstate;/* cur power state, only for IPS */
301 	/* rt_rf_power_state	current_rfpwrstate; */
302 	enum rt_rf_power_state	change_rfpwrstate;
303 
304 	u8 bHWPowerdown; /* power down mode selection. 0:radio off, 1:power down */
305 	u8 bHWPwrPindetect; /* come from registrypriv.hwpwrp_detect. enable power down function. 0:disable, 1:enable */
306 	u8 bkeepfwalive;
307 	u8 brfoffbyhw;
308 	unsigned long PS_BBRegBackup[PSBBREG_TOTALCNT];
309 };
310 
311 #define rtw_get_ips_mode_req(pwrctl) \
312 	(pwrctl)->ips_mode_req
313 
314 #define rtw_ips_mode_req(pwrctl, ips_mode) \
315 	(pwrctl)->ips_mode_req = (ips_mode)
316 
317 #define RTW_PWR_STATE_CHK_INTERVAL 2000
318 
319 #define _rtw_set_pwr_state_check_timer(pwrctl, ms) \
320 	do { \
321 		/*DBG_871X("%s _rtw_set_pwr_state_check_timer(%p, %d)\n", __func__, (pwrctl), (ms));*/ \
322 		_set_timer(&(pwrctl)->pwr_state_check_timer, (ms)); \
323 	} while (0)
324 
325 #define rtw_set_pwr_state_check_timer(pwrctl) \
326 	_rtw_set_pwr_state_check_timer((pwrctl), (pwrctl)->pwr_state_check_interval)
327 
328 extern void rtw_init_pwrctrl_priv(struct adapter *adapter);
329 extern void rtw_free_pwrctrl_priv(struct adapter * adapter);
330 
331 s32 rtw_register_task_alive(struct adapter *, u32 task);
332 void rtw_unregister_task_alive(struct adapter *, u32 task);
333 extern s32 rtw_register_tx_alive(struct adapter *padapter);
334 extern void rtw_unregister_tx_alive(struct adapter *padapter);
335 extern s32 rtw_register_cmd_alive(struct adapter *padapter);
336 extern void rtw_unregister_cmd_alive(struct adapter *padapter);
337 extern void cpwm_int_hdl(struct adapter *padapter, struct reportpwrstate_parm *preportpwrstate);
338 extern void LPS_Leave_check(struct adapter *padapter);
339 
340 extern void LeaveAllPowerSaveMode(struct adapter * Adapter);
341 extern void LeaveAllPowerSaveModeDirect(struct adapter * Adapter);
342 void _ips_enter(struct adapter *padapter);
343 void ips_enter(struct adapter *padapter);
344 int _ips_leave(struct adapter *padapter);
345 int ips_leave(struct adapter *padapter);
346 
347 void rtw_ps_processor(struct adapter *padapter);
348 
349 s32 LPS_RF_ON_check(struct adapter *padapter, u32 delay_ms);
350 void LPS_Enter(struct adapter *padapter, const char *msg);
351 void LPS_Leave(struct adapter *padapter, const char *msg);
352 void traffic_check_for_leave_lps(struct adapter *padapter, u8 tx, u32 tx_packets);
353 void rtw_set_ps_mode(struct adapter *padapter, u8 ps_mode, u8 smart_ps, u8 bcn_ant_mode, const char *msg);
354 void rtw_set_rpwm(struct adapter *padapter, u8 val8);
355 
356 void rtw_set_ips_deny(struct adapter *padapter, u32 ms);
357 int _rtw_pwr_wakeup(struct adapter *padapter, u32 ips_deffer_ms, const char *caller);
358 #define rtw_pwr_wakeup(adapter) _rtw_pwr_wakeup(adapter, RTW_PWR_STATE_CHK_INTERVAL, __func__)
359 #define rtw_pwr_wakeup_ex(adapter, ips_deffer_ms) _rtw_pwr_wakeup(adapter, ips_deffer_ms, __func__)
360 int rtw_pm_set_ips(struct adapter *padapter, u8 mode);
361 int rtw_pm_set_lps(struct adapter *padapter, u8 mode);
362 
363 void rtw_ps_deny(struct adapter *padapter, enum PS_DENY_REASON reason);
364 void rtw_ps_deny_cancel(struct adapter *padapter, enum PS_DENY_REASON reason);
365 u32 rtw_ps_deny_get(struct adapter *padapter);
366 
367 #endif  /* __RTL871X_PWRCTRL_H_ */
368