2 * OMAP2+ Clock Management prototypes
4 * Copyright (C) 2007-2009, 2012 Texas Instruments, Inc.
5 * Copyright (C) 2007-2009 Nokia Corporation
7 * Written by Paul Walmsley
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
13 #ifndef __ARCH_ASM_MACH_OMAP2_CM_H
14 #define __ARCH_ASM_MACH_OMAP2_CM_H
17 * MAX_MODULE_READY_TIME: max duration in microseconds to wait for the
18 * PRCM to request that a module exit the inactive state in the case of
20 * In the case of OMAP4 this is the max duration in microseconds for the
21 * module to reach the functionnal state from an inactive state.
23 #define MAX_MODULE_READY_TIME 2000
25 # ifndef __ASSEMBLER__
26 extern void __iomem *cm_base;
27 extern void __iomem *cm2_base;
28 extern void omap2_set_globals_cm(void __iomem *cm, void __iomem *cm2);
32 * MAX_MODULE_DISABLE_TIME: max duration in microseconds to wait for
33 * the PRCM to request that a module enter the inactive state in the
34 * case of OMAP2 & 3. In the case of OMAP4 this is the max duration
35 * in microseconds for the module to reach the inactive state from
37 * XXX FSUSB on OMAP4430 takes ~4ms to idle after reset during
40 #define MAX_MODULE_DISABLE_TIME 5000
42 # ifndef __ASSEMBLER__
45 * struct cm_ll_data - fn ptrs to per-SoC CM function implementations
46 * @split_idlest_reg: ptr to the SoC CM-specific split_idlest_reg impl
47 * @wait_module_ready: ptr to the SoC CM-specific wait_module_ready impl
50 int (*split_idlest_reg)(void __iomem *idlest_reg, s16 *prcm_inst,
52 int (*wait_module_ready)(s16 prcm_mod, u8 idlest_id, u8 idlest_shift);
55 extern int cm_split_idlest_reg(void __iomem *idlest_reg, s16 *prcm_inst,
57 extern int cm_wait_module_ready(s16 prcm_mod, u8 idlest_id, u8 idlest_shift);
59 extern int cm_register(struct cm_ll_data *cld);
60 extern int cm_unregister(struct cm_ll_data *cld);