| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Paul Walmsley | 653 | 64.33% | 16 | 37.21% |
| Rajendra Nayak | 163 | 16.06% | 7 | 16.28% |
| Peter 'p2' De Schrijver | 63 | 6.21% | 3 | 6.98% |
| Vaibhav Hiremath | 47 | 4.63% | 1 | 2.33% |
| Kevin Hilman | 21 | 2.07% | 3 | 6.98% |
| Thara Gopinath | 18 | 1.77% | 3 | 6.98% |
| Russ Dill | 15 | 1.48% | 1 | 2.33% |
| Nishanth Menon | 13 | 1.28% | 2 | 4.65% |
| Benoît Cousson | 7 | 0.69% | 1 | 2.33% |
| Ambresh K | 5 | 0.49% | 2 | 4.65% |
| Abhijit Pagare | 5 | 0.49% | 2 | 4.65% |
| Tero Kristo | 3 | 0.30% | 1 | 2.33% |
| Thomas Gleixner | 2 | 0.20% | 1 | 2.33% |
| Total | 1015 | 43 |
/* SPDX-License-Identifier: GPL-2.0-only */ /* * OMAP2/3/4 powerdomain control * * Copyright (C) 2007-2008, 2010 Texas Instruments, Inc. * Copyright (C) 2007-2011 Nokia Corporation * * Paul Walmsley * * XXX This should be moved to the mach-omap2/ directory at the earliest * opportunity. */ #ifndef __ARCH_ARM_MACH_OMAP2_POWERDOMAIN_H #define __ARCH_ARM_MACH_OMAP2_POWERDOMAIN_H #include <linux/types.h> #include <linux/list.h> #include <linux/spinlock.h> /* Powerdomain basic power states */ #define PWRDM_POWER_OFF 0x0 #define PWRDM_POWER_RET 0x1 #define PWRDM_POWER_INACTIVE 0x2 #define PWRDM_POWER_ON 0x3 #define PWRDM_MAX_PWRSTS 4 /* Powerdomain allowable state bitfields */ #define PWRSTS_ON (1 << PWRDM_POWER_ON) #define PWRSTS_INACTIVE (1 << PWRDM_POWER_INACTIVE) #define PWRSTS_RET (1 << PWRDM_POWER_RET) #define PWRSTS_OFF (1 << PWRDM_POWER_OFF) #define PWRSTS_OFF_ON (PWRSTS_OFF | PWRSTS_ON) #define PWRSTS_OFF_RET (PWRSTS_OFF | PWRSTS_RET) #define PWRSTS_RET_ON (PWRSTS_RET | PWRSTS_ON) #define PWRSTS_OFF_RET_ON (PWRSTS_OFF_RET | PWRSTS_ON) #define PWRSTS_INA_ON (PWRSTS_INACTIVE | PWRSTS_ON) /* * Powerdomain flags (struct powerdomain.flags) * * PWRDM_HAS_HDWR_SAR - powerdomain has hardware save-and-restore support * * PWRDM_HAS_MPU_QUIRK - MPU pwr domain has MEM bank 0 bits in MEM * bank 1 position. This is true for OMAP3430 * * PWRDM_HAS_LOWPOWERSTATECHANGE - can transition from a sleep state * to a lower sleep state without waking up the powerdomain */ #define PWRDM_HAS_HDWR_SAR BIT(0) #define PWRDM_HAS_MPU_QUIRK BIT(1) #define PWRDM_HAS_LOWPOWERSTATECHANGE BIT(2) /* * Number of memory banks that are power-controllable. On OMAP4430, the * maximum is 5. */ #define PWRDM_MAX_MEM_BANKS 5 /* * Maximum number of clockdomains that can be associated with a powerdomain. * PER powerdomain on AM33XX is the worst case */ #define PWRDM_MAX_CLKDMS 11 /* XXX A completely arbitrary number. What is reasonable here? */ #define PWRDM_TRANSITION_BAILOUT 100000 struct clockdomain; struct powerdomain; struct voltagedomain; /** * struct powerdomain - OMAP powerdomain * @name: Powerdomain name * @voltdm: voltagedomain containing this powerdomain * @prcm_offs: the address offset from CM_BASE/PRM_BASE * @prcm_partition: (OMAP4 only) the PRCM partition ID containing @prcm_offs * @pwrsts: Possible powerdomain power states * @pwrsts_logic_ret: Possible logic power states when pwrdm in RETENTION * @flags: Powerdomain flags * @banks: Number of software-controllable memory banks in this powerdomain * @pwrsts_mem_ret: Possible memory bank pwrstates when pwrdm in RETENTION * @pwrsts_mem_on: Possible memory bank pwrstates when pwrdm in ON * @pwrdm_clkdms: Clockdomains in this powerdomain * @node: list_head linking all powerdomains * @voltdm_node: list_head linking all powerdomains in a voltagedomain * @pwrstctrl_offs: (AM33XX only) XXX_PWRSTCTRL reg offset from prcm_offs * @pwrstst_offs: (AM33XX only) XXX_PWRSTST reg offset from prcm_offs * @logicretstate_mask: (AM33XX only) mask for logic retention bitfield * in @pwrstctrl_offs * @mem_on_mask: (AM33XX only) mask for mem on bitfield in @pwrstctrl_offs * @mem_ret_mask: (AM33XX only) mask for mem ret bitfield in @pwrstctrl_offs * @mem_pwrst_mask: (AM33XX only) mask for mem state bitfield in @pwrstst_offs * @mem_retst_mask: (AM33XX only) mask for mem retention state bitfield * in @pwrstctrl_offs * @state: * @state_counter: * @timer: * @state_timer: * @_lock: spinlock used to serialize powerdomain and some clockdomain ops * @_lock_flags: stored flags when @_lock is taken * * @prcm_partition possible values are defined in mach-omap2/prcm44xx.h. */ struct powerdomain { const char *name; union { const char *name; struct voltagedomain *ptr; } voltdm; const s16 prcm_offs; const u8 pwrsts; const u8 pwrsts_logic_ret; const u8 flags; const u8 banks; const u8 pwrsts_mem_ret[PWRDM_MAX_MEM_BANKS]; const u8 pwrsts_mem_on[PWRDM_MAX_MEM_BANKS]; const u8 prcm_partition; struct clockdomain *pwrdm_clkdms[PWRDM_MAX_CLKDMS]; struct list_head node; struct list_head voltdm_node; int state; unsigned state_counter[PWRDM_MAX_PWRSTS]; unsigned ret_logic_off_counter; unsigned ret_mem_off_counter[PWRDM_MAX_MEM_BANKS]; spinlock_t _lock; unsigned long _lock_flags; const u8 pwrstctrl_offs; const u8 pwrstst_offs; const u32 logicretstate_mask; const u32 mem_on_mask[PWRDM_MAX_MEM_BANKS]; const u32 mem_ret_mask[PWRDM_MAX_MEM_BANKS]; const u32 mem_pwrst_mask[PWRDM_MAX_MEM_BANKS]; const u32 mem_retst_mask[PWRDM_MAX_MEM_BANKS]; #ifdef CONFIG_PM_DEBUG s64 timer; s64 state_timer[PWRDM_MAX_PWRSTS]; #endif u32 context; }; /** * struct pwrdm_ops - Arch specific function implementations * @pwrdm_set_next_pwrst: Set the target power state for a pd * @pwrdm_read_next_pwrst: Read the target power state set for a pd * @pwrdm_read_pwrst: Read the current power state of a pd * @pwrdm_read_prev_pwrst: Read the prev power state entered by the pd * @pwrdm_set_logic_retst: Set the logic state in RET for a pd * @pwrdm_set_mem_onst: Set the Memory state in ON for a pd * @pwrdm_set_mem_retst: Set the Memory state in RET for a pd * @pwrdm_read_logic_pwrst: Read the current logic state of a pd * @pwrdm_read_prev_logic_pwrst: Read the previous logic state entered by a pd * @pwrdm_read_logic_retst: Read the logic state in RET for a pd * @pwrdm_read_mem_pwrst: Read the current memory state of a pd * @pwrdm_read_prev_mem_pwrst: Read the previous memory state entered by a pd * @pwrdm_read_mem_retst: Read the memory state in RET for a pd * @pwrdm_clear_all_prev_pwrst: Clear all previous power states logged for a pd * @pwrdm_enable_hdwr_sar: Enable Hardware Save-Restore feature for the pd * @pwrdm_disable_hdwr_sar: Disable Hardware Save-Restore feature for a pd * @pwrdm_set_lowpwrstchange: Enable pd transitions from a shallow to deep sleep * @pwrdm_wait_transition: Wait for a pd state transition to complete * @pwrdm_has_voltdm: Check if a voltdm association is needed * * Regarding @pwrdm_set_lowpwrstchange: On the OMAP2 and 3-family * chips, a powerdomain's power state is not allowed to directly * transition from one low-power state (e.g., CSWR) to another * low-power state (e.g., OFF) without first waking up the * powerdomain. This wastes energy. So OMAP4 chips support the * ability to transition a powerdomain power state directly from one * low-power state to another. The function pointed to by * @pwrdm_set_lowpwrstchange is intended to configure the OMAP4 * hardware powerdomain state machine to enable this feature. */ struct pwrdm_ops { int (*pwrdm_set_next_pwrst)(struct powerdomain *pwrdm, u8 pwrst); int (*pwrdm_read_next_pwrst)(struct powerdomain *pwrdm); int (*pwrdm_read_pwrst)(struct powerdomain *pwrdm); int (*pwrdm_read_prev_pwrst)(struct powerdomain *pwrdm); int (*pwrdm_set_logic_retst)(struct powerdomain *pwrdm, u8 pwrst); int (*pwrdm_set_mem_onst)(struct powerdomain *pwrdm, u8 bank, u8 pwrst); int (*pwrdm_set_mem_retst)(struct powerdomain *pwrdm, u8 bank, u8 pwrst); int (*pwrdm_read_logic_pwrst)(struct powerdomain *pwrdm); int (*pwrdm_read_prev_logic_pwrst)(struct powerdomain *pwrdm); int (*pwrdm_read_logic_retst)(struct powerdomain *pwrdm); int (*pwrdm_read_mem_pwrst)(struct powerdomain *pwrdm, u8 bank); int (*pwrdm_read_prev_mem_pwrst)(struct powerdomain *pwrdm, u8 bank); int (*pwrdm_read_mem_retst)(struct powerdomain *pwrdm, u8 bank); int (*pwrdm_clear_all_prev_pwrst)(struct powerdomain *pwrdm); int (*pwrdm_enable_hdwr_sar)(struct powerdomain *pwrdm); int (*pwrdm_disable_hdwr_sar)(struct powerdomain *pwrdm); int (*pwrdm_set_lowpwrstchange)(struct powerdomain *pwrdm); int (*pwrdm_wait_transition)(struct powerdomain *pwrdm); int (*pwrdm_has_voltdm)(void); void (*pwrdm_save_context)(struct powerdomain *pwrdm); void (*pwrdm_restore_context)(struct powerdomain *pwrdm); }; int pwrdm_register_platform_funcs(struct pwrdm_ops *custom_funcs); int pwrdm_register_pwrdms(struct powerdomain **pwrdm_list); int pwrdm_complete_init(void); struct powerdomain *pwrdm_lookup(const char *name); int pwrdm_for_each(int (*fn)(struct powerdomain *pwrdm, void *user), void *user); int pwrdm_add_clkdm(struct powerdomain *pwrdm, struct clockdomain *clkdm); int pwrdm_get_mem_bank_count(struct powerdomain *pwrdm); u8 pwrdm_get_valid_lp_state(struct powerdomain *pwrdm, bool is_logic_state, u8 req_state); int pwrdm_set_next_pwrst(struct powerdomain *pwrdm, u8 pwrst); int pwrdm_read_next_pwrst(struct powerdomain *pwrdm); int pwrdm_read_pwrst(struct powerdomain *pwrdm); int pwrdm_read_prev_pwrst(struct powerdomain *pwrdm); int pwrdm_clear_all_prev_pwrst(struct powerdomain *pwrdm); int pwrdm_set_logic_retst(struct powerdomain *pwrdm, u8 pwrst); int pwrdm_set_mem_onst(struct powerdomain *pwrdm, u8 bank, u8 pwrst); int pwrdm_set_mem_retst(struct powerdomain *pwrdm, u8 bank, u8 pwrst); int pwrdm_read_logic_pwrst(struct powerdomain *pwrdm); int pwrdm_read_prev_logic_pwrst(struct powerdomain *pwrdm); int pwrdm_read_logic_retst(struct powerdomain *pwrdm); int pwrdm_read_mem_pwrst(struct powerdomain *pwrdm, u8 bank); int pwrdm_read_prev_mem_pwrst(struct powerdomain *pwrdm, u8 bank); int pwrdm_read_mem_retst(struct powerdomain *pwrdm, u8 bank); int pwrdm_enable_hdwr_sar(struct powerdomain *pwrdm); int pwrdm_disable_hdwr_sar(struct powerdomain *pwrdm); bool pwrdm_has_hdwr_sar(struct powerdomain *pwrdm); int pwrdm_state_switch_nolock(struct powerdomain *pwrdm); int pwrdm_state_switch(struct powerdomain *pwrdm); int pwrdm_pre_transition(struct powerdomain *pwrdm); int pwrdm_post_transition(struct powerdomain *pwrdm); extern int omap_set_pwrdm_state(struct powerdomain *pwrdm, u8 state); extern void omap242x_powerdomains_init(void); extern void omap243x_powerdomains_init(void); extern void omap3xxx_powerdomains_init(void); extern void am33xx_powerdomains_init(void); extern void omap44xx_powerdomains_init(void); extern void omap54xx_powerdomains_init(void); extern void dra7xx_powerdomains_init(void); void am43xx_powerdomains_init(void); extern struct pwrdm_ops omap2_pwrdm_operations; extern struct pwrdm_ops omap3_pwrdm_operations; extern struct pwrdm_ops am33xx_pwrdm_operations; extern struct pwrdm_ops omap4_pwrdm_operations; /* Common Internal functions used across OMAP rev's */ extern u32 omap2_pwrdm_get_mem_bank_onstate_mask(u8 bank); extern u32 omap2_pwrdm_get_mem_bank_retst_mask(u8 bank); extern u32 omap2_pwrdm_get_mem_bank_stst_mask(u8 bank); extern struct powerdomain wkup_omap2_pwrdm; extern struct powerdomain gfx_omap2_pwrdm; extern void pwrdm_lock(struct powerdomain *pwrdm); extern void pwrdm_unlock(struct powerdomain *pwrdm); #endif
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