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 void omap4_prminst_set_prm_dev_inst(s32 dev_inst);
18 
19 /*
20  * In an ideal world, we would not export these low-level functions,
21  * but this will probably take some time to fix properly
22  */
23 extern u32 omap4_prminst_read_inst_reg(u8 part, s16 inst, u16 idx);
24 extern void omap4_prminst_write_inst_reg(u32 val, u8 part, s16 inst, u16 idx);
25 extern u32 omap4_prminst_rmw_inst_reg_bits(u32 mask, u32 bits, u8 part,
26 					   s16 inst, u16 idx);
27 
28 extern void omap4_prminst_global_warm_sw_reset(void);
29 
30 extern int omap4_prminst_is_hardreset_asserted(u8 shift, u8 part, s16 inst,
31 					       u16 rstctrl_offs);
32 extern int omap4_prminst_assert_hardreset(u8 shift, u8 part, s16 inst,
33 					  u16 rstctrl_offs);
34 int omap4_prminst_deassert_hardreset(u8 shift, u8 st_shift, u8 part,
35 				     s16 inst, u16 rstctrl_offs,
36 				     u16 rstst_offs);
37 
38 extern void omap_prm_base_init(void);
39 
40 #endif
41