arch/arm/mach-omap2/cminst44xx.h

   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
  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
  39 static inline void omap4_cminst_module_enable(u8 mode, u8 part, u16 inst,
  40                                 s16 cdoffs, u16 clkctrl_offs)
  41 {
  42 }
  43
  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