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-rw-r--r--arch/arm/plat-omap/include/plat/clockdomain.h151
1 files changed, 0 insertions, 151 deletions
diff --git a/arch/arm/plat-omap/include/plat/clockdomain.h b/arch/arm/plat-omap/include/plat/clockdomain.h
deleted file mode 100644
index e91ae92f217c..000000000000
--- a/arch/arm/plat-omap/include/plat/clockdomain.h
+++ /dev/null
@@ -1,151 +0,0 @@
1/*
2 * arch/arm/plat-omap/include/mach/clockdomain.h
3 *
4 * OMAP2/3 clockdomain framework functions
5 *
6 * Copyright (C) 2008 Texas Instruments, Inc.
7 * Copyright (C) 2008-2010 Nokia Corporation
8 *
9 * Paul Walmsley
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 *
15 * XXX This should be moved to mach-omap2/ at the earliest opportunity.
16 */
17
18#ifndef __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H
19#define __ASM_ARM_ARCH_OMAP_CLOCKDOMAIN_H
20
21#include <linux/init.h>
22
23#include <plat/powerdomain.h>
24#include <plat/clock.h>
25#include <plat/cpu.h>
26
27/* Clockdomain capability flags */
28#define CLKDM_CAN_FORCE_SLEEP (1 << 0)
29#define CLKDM_CAN_FORCE_WAKEUP (1 << 1)
30#define CLKDM_CAN_ENABLE_AUTO (1 << 2)
31#define CLKDM_CAN_DISABLE_AUTO (1 << 3)
32
33#define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO)
34#define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP)
35#define CLKDM_CAN_HWSUP_SWSUP (CLKDM_CAN_SWSUP | CLKDM_CAN_HWSUP)
36
37/**
38 * struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode
39 * @clkdm: clockdomain to add wkdep+sleepdep on - set name member only
40 * @omap_chip: OMAP chip types that this autodep is valid on
41 *
42 * A clockdomain that should have wkdeps and sleepdeps added when a
43 * clockdomain should stay active in hwsup mode; and conversely,
44 * removed when the clockdomain should be allowed to go inactive in
45 * hwsup mode.
46 *
47 * Autodeps are deprecated and should be removed after
48 * omap_hwmod-based fine-grained module idle control is added.
49 */
50struct clkdm_autodep {
51 union {
52 const char *name;
53 struct clockdomain *ptr;
54 } clkdm;
55 const struct omap_chip_id omap_chip;
56};
57
58/**
59 * struct clkdm_dep - encode dependencies between clockdomains
60 * @clkdm_name: clockdomain name
61 * @clkdm: pointer to the struct clockdomain of @clkdm_name
62 * @omap_chip: OMAP chip types that this dependency is valid on
63 * @wkdep_usecount: Number of wakeup dependencies causing this clkdm to wake
64 * @sleepdep_usecount: Number of sleep deps that could prevent clkdm from idle
65 *
66 * Statically defined. @clkdm is resolved from @clkdm_name at runtime and
67 * should not be pre-initialized.
68 *
69 * XXX Should also include hardware (fixed) dependencies.
70 */
71struct clkdm_dep {
72 const char *clkdm_name;
73 struct clockdomain *clkdm;
74 atomic_t wkdep_usecount;
75 atomic_t sleepdep_usecount;
76 const struct omap_chip_id omap_chip;
77};
78
79/**
80 * struct clockdomain - OMAP clockdomain
81 * @name: clockdomain name
82 * @pwrdm: powerdomain containing this clockdomain
83 * @clktrctrl_reg: CLKSTCTRL reg for the given clock domain
84 * @clktrctrl_mask: CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg
85 * @flags: Clockdomain capability flags
86 * @dep_bit: Bit shift of this clockdomain's PM_WKDEP/CM_SLEEPDEP bit
87 * @prcm_partition: (OMAP4 only) PRCM partition ID for this clkdm's registers
88 * @cm_inst: (OMAP4 only) CM instance register offset
89 * @clkdm_offs: (OMAP4 only) CM clockdomain register offset
90 * @wkdep_srcs: Clockdomains that can be told to wake this powerdomain up
91 * @sleepdep_srcs: Clockdomains that can be told to keep this clkdm from inact
92 * @omap_chip: OMAP chip types that this clockdomain is valid on
93 * @usecount: Usecount tracking
94 * @node: list_head to link all clockdomains together
95 *
96 * @prcm_partition should be a macro from mach-omap2/prcm44xx.h (OMAP4 only)
97 * @cm_inst should be a macro ending in _INST from the OMAP4 CM instance
98 * definitions (OMAP4 only)
99 * @clkdm_offs should be a macro ending in _CDOFFS from the OMAP4 CM instance
100 * definitions (OMAP4 only)
101 */
102struct clockdomain {
103 const char *name;
104 union {
105 const char *name;
106 struct powerdomain *ptr;
107 } pwrdm;
108#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
109 const u16 clktrctrl_mask;
110#endif
111 const u8 flags;
112 const u8 dep_bit;
113 const u8 prcm_partition;
114 const s16 cm_inst;
115 const u16 clkdm_offs;
116 struct clkdm_dep *wkdep_srcs;
117 struct clkdm_dep *sleepdep_srcs;
118 const struct omap_chip_id omap_chip;
119 atomic_t usecount;
120 struct list_head node;
121};
122
123void clkdm_init(struct clockdomain **clkdms, struct clkdm_autodep *autodeps);
124struct clockdomain *clkdm_lookup(const char *name);
125
126int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
127 void *user);
128struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm);
129
130int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
131int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
132int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
133int clkdm_clear_all_wkdeps(struct clockdomain *clkdm);
134int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
135int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
136int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
137int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm);
138
139void omap2_clkdm_allow_idle(struct clockdomain *clkdm);
140void omap2_clkdm_deny_idle(struct clockdomain *clkdm);
141
142int omap2_clkdm_wakeup(struct clockdomain *clkdm);
143int omap2_clkdm_sleep(struct clockdomain *clkdm);
144
145int omap2_clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
146int omap2_clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
147
148extern void __init omap2_clockdomains_init(void);
149extern void __init omap44xx_clockdomains_init(void);
150
151#endif
generated by cgit v1.2.2 (git 2.25.0) at 2025-01-20 10:49:43 -0500