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14#ifndef __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H
15#define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H
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17#include <linux/init.h>
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19#include "powerdomain.h"
20#include "clock.h"
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47#define CLKDM_CAN_FORCE_SLEEP (1 << 0)
48#define CLKDM_CAN_FORCE_WAKEUP (1 << 1)
49#define CLKDM_CAN_ENABLE_AUTO (1 << 2)
50#define CLKDM_CAN_DISABLE_AUTO (1 << 3)
51#define CLKDM_NO_AUTODEPS (1 << 4)
52#define CLKDM_ACTIVE_WITH_MPU (1 << 5)
53#define CLKDM_MISSING_IDLE_REPORTING (1 << 6)
54
55#define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO)
56#define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP)
57#define CLKDM_CAN_HWSUP_SWSUP (CLKDM_CAN_SWSUP | CLKDM_CAN_HWSUP)
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71struct clkdm_autodep {
72 union {
73 const char *name;
74 struct clockdomain *ptr;
75 } clkdm;
76};
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90struct clkdm_dep {
91 const char *clkdm_name;
92 struct clockdomain *clkdm;
93 s16 wkdep_usecount;
94 s16 sleepdep_usecount;
95};
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98#define _CLKDM_FLAG_HWSUP_ENABLED BIT(0)
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100struct omap_hwmod;
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126struct clockdomain {
127 const char *name;
128 union {
129 const char *name;
130 struct powerdomain *ptr;
131 } pwrdm;
132 const u16 clktrctrl_mask;
133 const u8 flags;
134 u8 _flags;
135 const u8 dep_bit;
136 const u8 prcm_partition;
137 const u16 cm_inst;
138 const u16 clkdm_offs;
139 struct clkdm_dep *wkdep_srcs;
140 struct clkdm_dep *sleepdep_srcs;
141 int usecount;
142 int forcewake_count;
143 struct list_head node;
144 u32 context;
145};
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166struct clkdm_ops {
167 int (*clkdm_add_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
168 int (*clkdm_del_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
169 int (*clkdm_read_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
170 int (*clkdm_clear_all_wkdeps)(struct clockdomain *clkdm);
171 int (*clkdm_add_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
172 int (*clkdm_del_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
173 int (*clkdm_read_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
174 int (*clkdm_clear_all_sleepdeps)(struct clockdomain *clkdm);
175 int (*clkdm_sleep)(struct clockdomain *clkdm);
176 int (*clkdm_wakeup)(struct clockdomain *clkdm);
177 void (*clkdm_allow_idle)(struct clockdomain *clkdm);
178 void (*clkdm_deny_idle)(struct clockdomain *clkdm);
179 int (*clkdm_clk_enable)(struct clockdomain *clkdm);
180 int (*clkdm_clk_disable)(struct clockdomain *clkdm);
181 int (*clkdm_save_context)(struct clockdomain *clkdm);
182 int (*clkdm_restore_context)(struct clockdomain *clkdm);
183};
184
185int clkdm_register_platform_funcs(struct clkdm_ops *co);
186int clkdm_register_autodeps(struct clkdm_autodep *ia);
187int clkdm_register_clkdms(struct clockdomain **c);
188int clkdm_complete_init(void);
189
190struct clockdomain *clkdm_lookup(const char *name);
191
192int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
193 void *user);
194struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm);
195
196int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
197int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
198int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
199int clkdm_clear_all_wkdeps(struct clockdomain *clkdm);
200int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
201int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
202int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
203int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm);
204
205void clkdm_allow_idle_nolock(struct clockdomain *clkdm);
206void clkdm_allow_idle(struct clockdomain *clkdm);
207void clkdm_deny_idle_nolock(struct clockdomain *clkdm);
208void clkdm_deny_idle(struct clockdomain *clkdm);
209bool clkdm_in_hwsup(struct clockdomain *clkdm);
210bool clkdm_missing_idle_reporting(struct clockdomain *clkdm);
211
212int clkdm_wakeup_nolock(struct clockdomain *clkdm);
213int clkdm_wakeup(struct clockdomain *clkdm);
214int clkdm_sleep_nolock(struct clockdomain *clkdm);
215int clkdm_sleep(struct clockdomain *clkdm);
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217int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
218int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
219int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh);
220int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh);
221
222void clkdm_save_context(void);
223void clkdm_restore_context(void);
224
225extern void __init omap242x_clockdomains_init(void);
226extern void __init omap243x_clockdomains_init(void);
227extern void __init omap3xxx_clockdomains_init(void);
228extern void __init am33xx_clockdomains_init(void);
229extern void __init ti814x_clockdomains_init(void);
230extern void __init ti816x_clockdomains_init(void);
231extern void __init omap44xx_clockdomains_init(void);
232extern void __init omap54xx_clockdomains_init(void);
233extern void __init dra7xx_clockdomains_init(void);
234void am43xx_clockdomains_init(void);
235
236extern void clkdm_add_autodeps(struct clockdomain *clkdm);
237extern void clkdm_del_autodeps(struct clockdomain *clkdm);
238
239extern struct clkdm_ops omap2_clkdm_operations;
240extern struct clkdm_ops omap3_clkdm_operations;
241extern struct clkdm_ops omap4_clkdm_operations;
242extern struct clkdm_ops am33xx_clkdm_operations;
243extern struct clkdm_ops am43xx_clkdm_operations;
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245extern struct clkdm_dep gfx_24xx_wkdeps[];
246extern struct clkdm_dep dsp_24xx_wkdeps[];
247extern struct clockdomain wkup_common_clkdm;
248
249#endif
250