diff options
Diffstat (limited to 'arch/arm/mach-omap2/pm.h')
| -rw-r--r-- | arch/arm/mach-omap2/pm.h | 163 |
1 files changed, 156 insertions, 7 deletions
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h index 45bcfce..c9da6b9 100644 --- a/arch/arm/mach-omap2/pm.h +++ b/arch/arm/mach-omap2/pm.h @@ -17,10 +17,34 @@ extern void *omap3_secure_ram_storage; extern void omap3_pm_off_mode_enable(int); -extern void omap_sram_idle(void); +extern void omap_sram_idle(bool suspend); extern int omap3_can_sleep(void); extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u32 state); extern int omap3_idle_init(void); +extern int omap4_idle_init(void); +extern void omap4_enter_sleep(unsigned int cpu, unsigned int power_state, + bool suspend); +extern void omap4_trigger_ioctrl(void); +extern u32 omap4_device_off_counter; + +#ifdef CONFIG_PM +extern void omap4_device_set_state_off(u8 enable); +extern bool omap4_device_prev_state_off(void); +extern bool omap4_device_next_state_off(void); +extern void omap4_device_clear_prev_off_state(void); +#else +static inline void omap4_device_set_state_off(u8 enable) +{ +} +static inline bool omap4_device_prev_state_off(void) +{ + return false; +} +static inline bool omap4_device_next_state_off(void) +{ + return false; +} +#endif #if defined(CONFIG_PM_OPP) extern int omap3_opp_init(void); @@ -36,6 +60,15 @@ static inline int omap4_opp_init(void) } #endif +#ifdef CONFIG_PM +int omap4_pm_cold_reset(char *reason); +#else +int omap4_pm_cold_reset(char *reason) +{ + return -EINVAL; +} +#endif + /* * cpuidle mach specific parameters * @@ -68,15 +101,18 @@ extern struct omap_dm_timer *gptimer_wakeup; extern void omap2_pm_dump(int mode, int resume, unsigned int us); extern void omap2_pm_wakeup_on_timer(u32 seconds, u32 milliseconds); extern int omap2_pm_debug; -extern u32 enable_off_mode; extern u32 sleep_while_idle; #else #define omap2_pm_dump(mode, resume, us) do {} while (0); #define omap2_pm_wakeup_on_timer(seconds, milliseconds) do {} while (0); #define omap2_pm_debug 0 -#define enable_off_mode 0 #define sleep_while_idle 0 #endif +#ifdef CONFIG_PM_ADVANCED_DEBUG +extern void omap4_pm_suspend_save_regs(void); +#else +static inline void omap4_pm_suspend_save_regs(void) { } +#endif #if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS) extern void pm_dbg_update_time(struct powerdomain *pwrdm, int prev); @@ -125,19 +161,132 @@ static inline int omap_devinit_smartreflex(void) static inline void omap_enable_smartreflex_on_init(void) {} #endif +/** + * struct omap_pmic_map - Describe the OMAP PMIC data for OMAP + * @name: name of the voltage domain + * @pmic_data: pmic data associated with it + * @omap_chip: initialize with OMAP_CHIP_INIT the OMAP chips this data maps to + * @special_action: callback for any specific action to take for that map + * + * Since we support multiple PMICs each potentially functioning on multiple + * OMAP devices, we describe the parameters in a map allowing us to reuse the + * data as necessary. + */ +struct omap_pmic_map { + char *name; + struct omap_voltdm_pmic *pmic_data; + struct omap_chip_id omap_chip; + int (*special_action)(struct voltagedomain *); +}; + +/** + * struct omap_pmic_description - Describe low power behavior of the PMIC + * @pmic_lp_tshut: Time rounded up to uSec for the PMIC to + * go to low power after the LDOs are pulled to + * appropriate state. Note: this is not the same as + * voltage rampdown time, instead, consider the + * PMIC to have switched it's LDOs down, this is + * time taken to reach it's lowest power state(say + * sleep/OFF). + * @pmic_lp_tstart: Time rounded up to uSec for the PMIC to + * provide be ready for operation from low power + * state. Note: this is not the same as voltage + * rampup time, instead, consider the PMIC to be + * in lowest power state(say OFF), this is the time + * required for it to become ready for it's DCDCs + * or LDOs to start operation. + */ +struct omap_pmic_description { + u32 pmic_lp_tshut; + u32 pmic_lp_tstart; +}; + +#ifdef CONFIG_PM +extern int omap_pmic_register_data(struct omap_pmic_map *map, + struct omap_pmic_description *desc); +#else +static inline int omap_pmic_register_data(struct omap_pmic_map *map, + struct omap_pmic_description *desc) +{ + return -EINVAL; +} +#endif +extern void omap_pmic_data_init(void); + +extern int omap_pmic_update(struct omap_pmic_map *tmp_map, char *name, + u32 old_chip_id, u32 new_chip_id); + #ifdef CONFIG_TWL4030_CORE -extern int omap3_twl_init(void); -extern int omap4_twl_init(void); +extern int omap_twl_init(void); extern int omap3_twl_set_sr_bit(bool enable); +extern int omap_twl_pmic_update(char *name, u32 old_chip_id, u32 new_chip_id); #else -static inline int omap3_twl_init(void) +static inline int omap_twl_init(void) { return -EINVAL; } -static inline int omap4_twl_init(void) +static inline int omap_twl_pmic_update(char *name, u32 old_chip_id, + u32 new_chip_id) { return -EINVAL; } #endif +#ifdef CONFIG_OMAP_TPS6236X +extern int omap_tps6236x_board_setup(bool use_62361, int gpio_vsel0, + int gpio_vsel1, int pull0, int pull1); +extern int omap_tps6236x_init(void); + +extern int omap_tps6236x_update(char *name, u32 old_chip_id, u32 new_chip_id); +#else +static inline int omap_tps6236x_board_setup(bool use_62361, int gpio_vsel0, + int gpio_vsel1, int pull0, int pull1) +{ + return -EINVAL; +} +static inline int omap_tps6236x_init(void) +{ + return -EINVAL; +} +static inline int omap_tps6236x_update(char *name, u32 old_chip_id, + u32 new_chip_id) +{ + return -EINVAL; +} +#endif + +extern int omap4_ldo_trim_configure(void); + +#ifdef CONFIG_PM +extern bool omap_pm_is_ready_status; +/** + * omap_pm_is_ready() - tells if OMAP pm framework is done it's initialization + * + * In few cases, to sequence operations properly, we'd like to know if OMAP's PM + * framework has completed all it's expected initializations. + */ +static inline bool omap_pm_is_ready(void) +{ + return omap_pm_is_ready_status; +} +extern int omap_pm_get_osc_lp_time(u32 *tstart, u32 *tshut); +extern int omap_pm_get_pmic_lp_time(u32 *tstart, u32 *tshut); +extern void omap_pm_set_osc_lp_time(u32 tstart, u32 tshut); +extern void omap_pm_set_pmic_lp_time(u32 tstart, u32 tshut); +#else +static inline bool omap_pm_is_ready(void) +{ + return false; +} +static inline int omap_pm_get_osc_lp_time(u32 *tstart, u32 *tshut) +{ + return -EINVAL; +} +static inline int omap_pm_get_pmic_lp_time(u32 *tstart, u32 *tshut) +{ + return -EINVAL; +} +static inline void omap_pm_set_osc_lp_time(u32 tstart, u32 tshut) { } +static inline void omap_pm_set_pmic_lp_time(u32 tstart, u32 tshut) { } +#endif #endif |