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