1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * OMAP2/3 Power Management Routines |
4 | * |
5 | * Copyright (C) 2008 Nokia Corporation |
6 | * Jouni Hogander |
7 | */ |
8 | #ifndef __ARCH_ARM_MACH_OMAP2_PM_H |
9 | #define __ARCH_ARM_MACH_OMAP2_PM_H |
10 | |
11 | #include <linux/err.h> |
12 | |
13 | #include "powerdomain.h" |
14 | |
15 | #ifdef CONFIG_CPU_IDLE |
16 | extern int __init omap3_idle_init(void); |
17 | extern int __init omap4_idle_init(void); |
18 | #else |
19 | static inline int omap3_idle_init(void) |
20 | { |
21 | return 0; |
22 | } |
23 | |
24 | static inline int omap4_idle_init(void) |
25 | { |
26 | return 0; |
27 | } |
28 | #endif |
29 | |
30 | extern void *omap3_secure_ram_storage; |
31 | extern void omap3_pm_off_mode_enable(int); |
32 | extern void omap_sram_idle(bool rcuidle); |
33 | extern int omap_pm_clkdms_setup(struct clockdomain *clkdm, void *unused); |
34 | |
35 | extern int omap3_pm_get_suspend_state(struct powerdomain *pwrdm); |
36 | extern int omap3_pm_set_suspend_state(struct powerdomain *pwrdm, int state); |
37 | |
38 | extern u32 enable_off_mode; |
39 | |
40 | #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) |
41 | extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); |
42 | #else |
43 | #define pm_dbg_update_time(pwrdm, prev) do {} while (0); |
44 | #endif /* CONFIG_PM_DEBUG */ |
45 | |
46 | /* 24xx */ |
47 | extern void omap24xx_cpu_suspend(u32 dll_ctrl, void __iomem *sdrc_dlla_ctrl, |
48 | void __iomem *sdrc_power); |
49 | extern unsigned int omap24xx_cpu_suspend_sz; |
50 | |
51 | /* 3xxx */ |
52 | extern void omap34xx_cpu_suspend(int save_state); |
53 | |
54 | /* omap3_do_wfi function pointer and size, for copy to SRAM */ |
55 | extern void omap3_do_wfi(void); |
56 | extern unsigned int omap3_do_wfi_sz; |
57 | /* ... and its pointer from SRAM after copy */ |
58 | extern void (*omap3_do_wfi_sram)(void); |
59 | |
60 | extern struct am33xx_pm_sram_addr am33xx_pm_sram; |
61 | extern struct am33xx_pm_sram_addr am43xx_pm_sram; |
62 | |
63 | extern void omap3_save_scratchpad_contents(void); |
64 | |
65 | #define PM_RTA_ERRATUM_i608 (1 << 0) |
66 | #define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1) |
67 | #define PM_PER_MEMORIES_ERRATUM_i582 (1 << 2) |
68 | |
69 | #if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) |
70 | extern u16 pm34xx_errata; |
71 | #define IS_PM34XX_ERRATUM(id) (pm34xx_errata & (id)) |
72 | extern void enable_omap3630_toggle_l2_on_restore(void); |
73 | #else |
74 | #define IS_PM34XX_ERRATUM(id) 0 |
75 | static inline void enable_omap3630_toggle_l2_on_restore(void) { } |
76 | #endif /* defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3) */ |
77 | |
78 | #define PM_OMAP4_ROM_SMP_BOOT_ERRATUM_GICD (1 << 0) |
79 | #define PM_OMAP4_CPU_OSWR_DISABLE (1 << 1) |
80 | |
81 | #if defined(CONFIG_PM) && (defined(CONFIG_ARCH_OMAP4) ||\ |
82 | defined(CONFIG_SOC_OMAP5) || defined(CONFIG_SOC_DRA7XX)) |
83 | extern u16 pm44xx_errata; |
84 | #define IS_PM44XX_ERRATUM(id) (pm44xx_errata & (id)) |
85 | #else |
86 | #define IS_PM44XX_ERRATUM(id) 0 |
87 | #endif |
88 | |
89 | #define OMAP4_VP_CONFIG_ERROROFFSET 0x00 |
90 | #define OMAP4_VP_VSTEPMIN_VSTEPMIN 0x01 |
91 | #define OMAP4_VP_VSTEPMAX_VSTEPMAX 0x04 |
92 | #define OMAP4_VP_VLIMITTO_TIMEOUT_US 200 |
93 | |
94 | #ifdef CONFIG_POWER_AVS_OMAP |
95 | extern int omap_devinit_smartreflex(void); |
96 | #else |
97 | static inline int omap_devinit_smartreflex(void) |
98 | { |
99 | return -EINVAL; |
100 | } |
101 | #endif |
102 | |
103 | #ifdef CONFIG_TWL4030_CORE |
104 | extern int omap3_twl_init(void); |
105 | extern int omap4_twl_init(void); |
106 | #else |
107 | static inline int omap3_twl_init(void) |
108 | { |
109 | return -EINVAL; |
110 | } |
111 | static inline int omap4_twl_init(void) |
112 | { |
113 | return -EINVAL; |
114 | } |
115 | #endif |
116 | |
117 | #if IS_ENABLED(CONFIG_MFD_CPCAP) |
118 | extern int omap4_cpcap_init(void); |
119 | #else |
120 | static inline int omap4_cpcap_init(void) |
121 | { |
122 | return -EINVAL; |
123 | } |
124 | #endif |
125 | |
126 | #ifdef CONFIG_PM |
127 | extern void omap_pm_get_oscillator(u32 *tstart, u32 *tshut); |
128 | #else |
129 | static inline void omap_pm_get_oscillator(u32 *tstart, u32 *tshut) { *tstart = *tshut = 0; } |
130 | #endif |
131 | |
132 | #ifdef CONFIG_SUSPEND |
133 | void omap_common_suspend_init(void *pm_suspend); |
134 | #else |
135 | static inline void omap_common_suspend_init(void *pm_suspend) |
136 | { |
137 | } |
138 | #endif /* CONFIG_SUSPEND */ |
139 | #endif |
140 | |