1 /*
2 * Copyright (C) ST-Ericsson SA 2010
3 *
4 * License Terms: GNU General Public License v2
5 *
6 * U5500 PRCMU API.
7 */
8 #ifndef __MFD_DB5500_PRCMU_H
9 #define __MFD_DB5500_PRCMU_H
10
11 #ifdef CONFIG_MFD_DB5500_PRCMU
12
13 void db5500_prcmu_early_init(void);
14 int db5500_prcmu_set_epod(u16 epod_id, u8 epod_state);
15 int db5500_prcmu_set_display_clocks(void);
16 int db5500_prcmu_disable_dsipll(void);
17 int db5500_prcmu_enable_dsipll(void);
18 int db5500_prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
19 int db5500_prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size);
20 void db5500_prcmu_enable_wakeups(u32 wakeups);
21 int db5500_prcmu_request_clock(u8 clock, bool enable);
22 void db5500_prcmu_config_abb_event_readout(u32 abb_events);
23 void db5500_prcmu_get_abb_event_buffer(void __iomem **buf);
24 int prcmu_resetout(u8 resoutn, u8 state);
25 int db5500_prcmu_set_power_state(u8 state, bool keep_ulp_clk,
26 bool keep_ap_pll);
27 int db5500_prcmu_config_esram0_deep_sleep(u8 state);
28 void db5500_prcmu_system_reset(u16 reset_code);
29 u16 db5500_prcmu_get_reset_code(void);
30 bool db5500_prcmu_is_ac_wake_requested(void);
31 int db5500_prcmu_set_arm_opp(u8 opp);
32 int db5500_prcmu_get_arm_opp(void);
33
34 #else /* !CONFIG_UX500_SOC_DB5500 */
35
db5500_prcmu_early_init(void)36 static inline void db5500_prcmu_early_init(void) {}
37
db5500_prcmu_abb_read(u8 slave,u8 reg,u8 * value,u8 size)38 static inline int db5500_prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
39 {
40 return -ENOSYS;
41 }
42
db5500_prcmu_abb_write(u8 slave,u8 reg,u8 * value,u8 size)43 static inline int db5500_prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
44 {
45 return -ENOSYS;
46 }
47
db5500_prcmu_request_clock(u8 clock,bool enable)48 static inline int db5500_prcmu_request_clock(u8 clock, bool enable)
49 {
50 return 0;
51 }
52
db5500_prcmu_set_display_clocks(void)53 static inline int db5500_prcmu_set_display_clocks(void)
54 {
55 return 0;
56 }
57
db5500_prcmu_disable_dsipll(void)58 static inline int db5500_prcmu_disable_dsipll(void)
59 {
60 return 0;
61 }
62
db5500_prcmu_enable_dsipll(void)63 static inline int db5500_prcmu_enable_dsipll(void)
64 {
65 return 0;
66 }
67
db5500_prcmu_config_esram0_deep_sleep(u8 state)68 static inline int db5500_prcmu_config_esram0_deep_sleep(u8 state)
69 {
70 return 0;
71 }
72
db5500_prcmu_enable_wakeups(u32 wakeups)73 static inline void db5500_prcmu_enable_wakeups(u32 wakeups) {}
74
prcmu_resetout(u8 resoutn,u8 state)75 static inline int prcmu_resetout(u8 resoutn, u8 state)
76 {
77 return 0;
78 }
79
db5500_prcmu_set_epod(u16 epod_id,u8 epod_state)80 static inline int db5500_prcmu_set_epod(u16 epod_id, u8 epod_state)
81 {
82 return 0;
83 }
84
db5500_prcmu_get_abb_event_buffer(void __iomem ** buf)85 static inline void db5500_prcmu_get_abb_event_buffer(void __iomem **buf) {}
db5500_prcmu_config_abb_event_readout(u32 abb_events)86 static inline void db5500_prcmu_config_abb_event_readout(u32 abb_events) {}
87
db5500_prcmu_set_power_state(u8 state,bool keep_ulp_clk,bool keep_ap_pll)88 static inline int db5500_prcmu_set_power_state(u8 state, bool keep_ulp_clk,
89 bool keep_ap_pll)
90 {
91 return 0;
92 }
93
db5500_prcmu_system_reset(u16 reset_code)94 static inline void db5500_prcmu_system_reset(u16 reset_code) {}
95
db5500_prcmu_get_reset_code(void)96 static inline u16 db5500_prcmu_get_reset_code(void)
97 {
98 return 0;
99 }
100
db5500_prcmu_is_ac_wake_requested(void)101 static inline bool db5500_prcmu_is_ac_wake_requested(void)
102 {
103 return 0;
104 }
105
db5500_prcmu_set_arm_opp(u8 opp)106 static inline int db5500_prcmu_set_arm_opp(u8 opp)
107 {
108 return 0;
109 }
110
db5500_prcmu_get_arm_opp(void)111 static inline int db5500_prcmu_get_arm_opp(void)
112 {
113 return 0;
114 }
115
116
117 #endif /* CONFIG_MFD_DB5500_PRCMU */
118
119 #endif /* __MFD_DB5500_PRCMU_H */
120