diff options
| -rw-r--r-- | arch/arm/mach-omap2/clockdomain.c | 10 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clockdomain.h | 37 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c | 2 | ||||
| -rw-r--r-- | arch/arm/mach-omap2/clockdomains44xx_data.c | 2 |
4 files changed, 47 insertions, 4 deletions
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c index 58e42f76603..f70b06ae866 100644 --- a/arch/arm/mach-omap2/clockdomain.c +++ b/arch/arm/mach-omap2/clockdomain.c @@ -44,6 +44,7 @@ static LIST_HEAD(clkdm_list); /* array of clockdomain deps to be added/removed when clkdm in hwsup mode */ static struct clkdm_autodep *autodeps; +static struct clkdm_ops *arch_clkdm; /* Private functions */ @@ -292,6 +293,7 @@ static void _disable_hwsup(struct clockdomain *clkdm) * clkdm_init - set up the clockdomain layer * @clkdms: optional pointer to an array of clockdomains to register * @init_autodeps: optional pointer to an array of autodeps to register + * @custom_funcs: func pointers for arch specfic implementations * * Set up internal state. If a pointer to an array of clockdomains * @clkdms was supplied, loop through the list of clockdomains, @@ -300,12 +302,18 @@ static void _disable_hwsup(struct clockdomain *clkdm) * @init_autodeps was provided, register those. No return value. */ void clkdm_init(struct clockdomain **clkdms, - struct clkdm_autodep *init_autodeps) + struct clkdm_autodep *init_autodeps, + struct clkdm_ops *custom_funcs) { struct clockdomain **c = NULL; struct clockdomain *clkdm; struct clkdm_autodep *autodep = NULL; + if (!custom_funcs) + WARN(1, "No custom clkdm functions registered\n"); + else + arch_clkdm = custom_funcs; + if (clkdms) for (c = clkdms; *c; c++) _clkdm_register(*c); diff --git a/arch/arm/mach-omap2/clockdomain.h b/arch/arm/mach-omap2/clockdomain.h index 9b459c26fb8..71ad265cf13 100644 --- a/arch/arm/mach-omap2/clockdomain.h +++ b/arch/arm/mach-omap2/clockdomain.h @@ -116,7 +116,42 @@ struct clockdomain { struct list_head node; }; -void clkdm_init(struct clockdomain **clkdms, struct clkdm_autodep *autodeps); +/** + * struct clkdm_ops - Arch specfic function implementations + * @clkdm_add_wkdep: Add a wakeup dependency between clk domains + * @clkdm_del_wkdep: Delete a wakeup dependency between clk domains + * @clkdm_read_wkdep: Read wakeup dependency state between clk domains + * @clkdm_clear_all_wkdeps: Remove all wakeup dependencies from the clk domain + * @clkdm_add_sleepdep: Add a sleep dependency between clk domains + * @clkdm_del_sleepdep: Delete a sleep dependency between clk domains + * @clkdm_read_sleepdep: Read sleep dependency state between clk domains + * @clkdm_clear_all_sleepdeps: Remove all sleep dependencies from the clk domain + * @clkdm_sleep: Force a clockdomain to sleep + * @clkdm_wakeup: Force a clockdomain to wakeup + * @clkdm_allow_idle: Enable hw supervised idle transitions for clock domain + * @clkdm_deny_idle: Disable hw supervised idle transitions for clock domain + * @clkdm_clk_enable: Put the clkdm in right state for a clock enable + * @clkdm_clk_disable: Put the clkdm in right state for a clock disable + */ +struct clkdm_ops { + int (*clkdm_add_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); + int (*clkdm_del_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); + int (*clkdm_read_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); + int (*clkdm_clear_all_wkdeps)(struct clockdomain *clkdm); + int (*clkdm_add_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); + int (*clkdm_del_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); + int (*clkdm_read_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2); + int (*clkdm_clear_all_sleepdeps)(struct clockdomain *clkdm); + int (*clkdm_sleep)(struct clockdomain *clkdm); + int (*clkdm_wakeup)(struct clockdomain *clkdm); + void (*clkdm_allow_idle)(struct clockdomain *clkdm); + void (*clkdm_deny_idle)(struct clockdomain *clkdm); + int (*clkdm_clk_enable)(struct clockdomain *clkdm); + int (*clkdm_clk_disable)(struct clockdomain *clkdm); +}; + +void clkdm_init(struct clockdomain **clkdms, struct clkdm_autodep *autodeps, + struct clkdm_ops *custom_funcs); struct clockdomain *clkdm_lookup(const char *name); int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user), diff --git a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c index e6f0d18d5e8..e2a959eab31 100644 --- a/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c +++ b/arch/arm/mach-omap2/clockdomains2xxx_3xxx_data.c @@ -856,5 +856,5 @@ static struct clockdomain *clockdomains_omap2[] __initdata = { void __init omap2_clockdomains_init(void) { - clkdm_init(clockdomains_omap2, clkdm_autodeps); + clkdm_init(clockdomains_omap2, clkdm_autodeps, NULL); } diff --git a/arch/arm/mach-omap2/clockdomains44xx_data.c b/arch/arm/mach-omap2/clockdomains44xx_data.c index 10622c914ab..a5000d473d4 100644 --- a/arch/arm/mach-omap2/clockdomains44xx_data.c +++ b/arch/arm/mach-omap2/clockdomains44xx_data.c @@ -305,5 +305,5 @@ static struct clockdomain *clockdomains_omap44xx[] __initdata = { void __init omap44xx_clockdomains_init(void) { - clkdm_init(clockdomains_omap44xx, NULL); + clkdm_init(clockdomains_omap44xx, NULL, NULL); } |