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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)
99
100struct omap_hwmod;
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125struct clockdomain {
126 const char *name;
127 union {
128 const char *name;
129 struct powerdomain *ptr;
130 } pwrdm;
131 const u16 clktrctrl_mask;
132 const u8 flags;
133 u8 _flags;
134 const u8 dep_bit;
135 const u8 prcm_partition;
136 const u16 cm_inst;
137 const u16 clkdm_offs;
138 struct clkdm_dep *wkdep_srcs;
139 struct clkdm_dep *sleepdep_srcs;
140 int usecount;
141 struct list_head node;
142};
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161struct clkdm_ops {
162 int (*clkdm_add_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
163 int (*clkdm_del_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
164 int (*clkdm_read_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
165 int (*clkdm_clear_all_wkdeps)(struct clockdomain *clkdm);
166 int (*clkdm_add_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
167 int (*clkdm_del_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
168 int (*clkdm_read_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
169 int (*clkdm_clear_all_sleepdeps)(struct clockdomain *clkdm);
170 int (*clkdm_sleep)(struct clockdomain *clkdm);
171 int (*clkdm_wakeup)(struct clockdomain *clkdm);
172 void (*clkdm_allow_idle)(struct clockdomain *clkdm);
173 void (*clkdm_deny_idle)(struct clockdomain *clkdm);
174 int (*clkdm_clk_enable)(struct clockdomain *clkdm);
175 int (*clkdm_clk_disable)(struct clockdomain *clkdm);
176};
177
178int clkdm_register_platform_funcs(struct clkdm_ops *co);
179int clkdm_register_autodeps(struct clkdm_autodep *ia);
180int clkdm_register_clkdms(struct clockdomain **c);
181int clkdm_complete_init(void);
182
183struct clockdomain *clkdm_lookup(const char *name);
184
185int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
186 void *user);
187struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm);
188
189int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
190int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
191int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
192int clkdm_clear_all_wkdeps(struct clockdomain *clkdm);
193int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
194int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
195int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
196int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm);
197
198void clkdm_allow_idle_nolock(struct clockdomain *clkdm);
199void clkdm_allow_idle(struct clockdomain *clkdm);
200void clkdm_deny_idle_nolock(struct clockdomain *clkdm);
201void clkdm_deny_idle(struct clockdomain *clkdm);
202bool clkdm_in_hwsup(struct clockdomain *clkdm);
203bool clkdm_missing_idle_reporting(struct clockdomain *clkdm);
204
205int clkdm_wakeup_nolock(struct clockdomain *clkdm);
206int clkdm_wakeup(struct clockdomain *clkdm);
207int clkdm_sleep_nolock(struct clockdomain *clkdm);
208int clkdm_sleep(struct clockdomain *clkdm);
209
210int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
211int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
212int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh);
213int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh);
214
215extern void __init omap242x_clockdomains_init(void);
216extern void __init omap243x_clockdomains_init(void);
217extern void __init omap3xxx_clockdomains_init(void);
218extern void __init am33xx_clockdomains_init(void);
219extern void __init ti814x_clockdomains_init(void);
220extern void __init ti816x_clockdomains_init(void);
221extern void __init omap44xx_clockdomains_init(void);
222extern void __init omap54xx_clockdomains_init(void);
223extern void __init dra7xx_clockdomains_init(void);
224void am43xx_clockdomains_init(void);
225
226extern void clkdm_add_autodeps(struct clockdomain *clkdm);
227extern void clkdm_del_autodeps(struct clockdomain *clkdm);
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229extern struct clkdm_ops omap2_clkdm_operations;
230extern struct clkdm_ops omap3_clkdm_operations;
231extern struct clkdm_ops omap4_clkdm_operations;
232extern struct clkdm_ops am33xx_clkdm_operations;
233extern struct clkdm_ops am43xx_clkdm_operations;
234
235extern struct clkdm_dep gfx_24xx_wkdeps[];
236extern struct clkdm_dep dsp_24xx_wkdeps[];
237extern struct clockdomain wkup_common_clkdm;
238
239#endif
240