include/linux/mfd/db5500-prcmu.h

   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
  36 static inline void db5500_prcmu_early_init(void) {}
  37
  38 static inline int db5500_prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size)
  39 {
  40         return -ENOSYS;
  41 }
  42
  43 static inline int db5500_prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size)
  44 {
  45         return -ENOSYS;
  46 }
  47
  48 static inline int db5500_prcmu_request_clock(u8 clock, bool enable)
  49 {
  50         return 0;
  51 }
  52
  53 static inline int db5500_prcmu_set_display_clocks(void)
  54 {
  55         return 0;
  56 }
  57
  58 static inline int db5500_prcmu_disable_dsipll(void)
  59 {
  60         return 0;
  61 }
  62
  63 static inline int db5500_prcmu_enable_dsipll(void)
  64 {
  65         return 0;
  66 }
  67
  68 static inline int db5500_prcmu_config_esram0_deep_sleep(u8 state)
  69 {
  70         return 0;
  71 }
  72
  73 static inline void db5500_prcmu_enable_wakeups(u32 wakeups) {}
  74
  75 static inline int prcmu_resetout(u8 resoutn, u8 state)
  76 {
  77         return 0;
  78 }
  79
  80 static inline int db5500_prcmu_set_epod(u16 epod_id, u8 epod_state)
  81 {
  82         return 0;
  83 }
  84
  85 static inline void db5500_prcmu_get_abb_event_buffer(void __iomem **buf) {}
  86 static inline void db5500_prcmu_config_abb_event_readout(u32 abb_events) {}
  87
  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
  94 static inline void db5500_prcmu_system_reset(u16 reset_code) {}
  95
  96 static inline u16 db5500_prcmu_get_reset_code(void)
  97 {
  98         return 0;
  99 }
 100
 101 static inline bool db5500_prcmu_is_ac_wake_requested(void)
 102 {
 103         return 0;
 104 }
 105
 106 static inline int db5500_prcmu_set_arm_opp(u8 opp)
 107 {
 108         return 0;
 109 }
 110
 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 */