1 /*
2  * OMAP4 Clock Management (CM) function prototypes
3  *
4  * Copyright (C) 2010 Nokia Corporation
5  * Paul Walmsley
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 #ifndef __ARCH_ASM_MACH_OMAP2_CMINST44XX_H
12 #define __ARCH_ASM_MACH_OMAP2_CMINST44XX_H
13 
14 extern bool omap4_cminst_is_clkdm_in_hwsup(u8 part, s16 inst, u16 cdoffs);
15 extern void omap4_cminst_clkdm_enable_hwsup(u8 part, s16 inst, u16 cdoffs);
16 extern void omap4_cminst_clkdm_disable_hwsup(u8 part, s16 inst, u16 cdoffs);
17 extern void omap4_cminst_clkdm_force_sleep(u8 part, s16 inst, u16 cdoffs);
18 extern void omap4_cminst_clkdm_force_wakeup(u8 part, s16 inst, u16 cdoffs);
19 
20 extern int omap4_cminst_wait_module_ready(u8 part, u16 inst, s16 cdoffs, u16 clkctrl_offs);
21 
22 # ifdef CONFIG_ARCH_OMAP4
23 extern int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs,
24 					 u16 clkctrl_offs);
25 
26 extern void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst, s16 cdoffs,
27 				       u16 clkctrl_offs);
28 extern void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
29 					u16 clkctrl_offs);
30 
31 # else
32 
omap4_cminst_wait_module_idle(u8 part,u16 inst,s16 cdoffs,u16 clkctrl_offs)33 static inline int omap4_cminst_wait_module_idle(u8 part, u16 inst, s16 cdoffs,
34 					u16 clkctrl_offs)
35 {
36 	return 0;
37 }
38 
omap4_cminst_module_enable(u8 mode,u8 part,u16 inst,s16 cdoffs,u16 clkctrl_offs)39 static inline void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst,
40 				s16 cdoffs, u16 clkctrl_offs)
41 {
42 }
43 
omap4_cminst_module_disable(u8 part,u16 inst,s16 cdoffs,u16 clkctrl_offs)44 static inline void omap4_cminst_module_disable(u8 part, u16 inst, s16 cdoffs,
45 				 u16 clkctrl_offs)
46 {
47 }
48 
49 # endif
50 
51 /*
52  * In an ideal world, we would not export these low-level functions,
53  * but this will probably take some time to fix properly
54  */
55 extern u32 omap4_cminst_read_inst_reg(u8 part, s16 inst, u16 idx);
56 extern void omap4_cminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx);
57 extern u32 omap4_cminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part,
58 					   s16 inst, s16 idx);
59 extern u32 omap4_cminst_set_inst_reg_bits(u32 bits, u8 part, s16 inst,
60 					   s16 idx);
61 extern u32 omap4_cminst_clear_inst_reg_bits(u32 bits, u8 part, s16 inst,
62 					   s16 idx);
63 extern u32 omap4_cminst_read_inst_reg_bits(u8 part, u16 inst, s16 idx,
64 					   u32 mask);
65 
66 #endif
67