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1 /*
2  * OMAP4 Power/Reset Management (PRM) function prototypes
3  *
4  * Copyright (C) 2010 Nokia Corporation
5  * Copyright (C) 2011 Texas Instruments, Inc.
6  * Paul Walmsley
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as
10  * published by the Free Software Foundation.
11  */
12 #ifndef __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
13 #define __ARCH_ASM_MACH_OMAP2_PRMINST44XX_H
14 
15 #define PRM_INSTANCE_UNKNOWN	-1
16 extern s32 omap4_prmst_get_prm_dev_inst(void);
17 
18 /*
19  * In an ideal world, we would not export these low-level functions,
20  * but this will probably take some time to fix properly
21  */
22 extern u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx);
23 extern void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx);
24 extern u32 omap4_prminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part,
25 					   s16 inst, u16 idx);
26 
27 extern void omap4_prminst_global_warm_sw_reset(void);
28 
29 extern int omap4_prminst_is_hardreset_asserted(u8 shift, u8 part, s16 inst,
30 					       u16 rstctrl_offs);
31 extern int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst,
32 					  u16 rstctrl_offs);
33 extern int omap4_prminst_deassert_hardreset(u8 shift, u8 part, s16 inst,
34 					    u16 rstctrl_offs);
35 
36 extern void omap_prm_base_init(void);
37 
38 #endif
39