/* * Copyright (C) ST Ericsson SA 2011 * * License Terms: GNU General Public License v2 * * STE Ux500 PRCMU API */ #ifndef __MACH_PRCMU_H #define __MACH_PRCMU_H #include #include #include /* PRCMU Wakeup defines */ enum prcmu_wakeup_index { PRCMU_WAKEUP_INDEX_RTC, PRCMU_WAKEUP_INDEX_RTT0, PRCMU_WAKEUP_INDEX_RTT1, PRCMU_WAKEUP_INDEX_HSI0, PRCMU_WAKEUP_INDEX_HSI1, PRCMU_WAKEUP_INDEX_USB, PRCMU_WAKEUP_INDEX_ABB, PRCMU_WAKEUP_INDEX_ABB_FIFO, PRCMU_WAKEUP_INDEX_ARM, PRCMU_WAKEUP_INDEX_CD_IRQ, NUM_PRCMU_WAKEUP_INDICES }; #define PRCMU_WAKEUP(_name) (BIT(PRCMU_WAKEUP_INDEX_##_name)) /* EPOD (power domain) IDs */ /* * DB8500 EPODs * - EPOD_ID_SVAMMDSP: power domain for SVA MMDSP * - EPOD_ID_SVAPIPE: power domain for SVA pipe * - EPOD_ID_SIAMMDSP: power domain for SIA MMDSP * - EPOD_ID_SIAPIPE: power domain for SIA pipe * - EPOD_ID_SGA: power domain for SGA * - EPOD_ID_B2R2_MCDE: power domain for B2R2 and MCDE * - EPOD_ID_ESRAM12: power domain for ESRAM 1 and 2 * - EPOD_ID_ESRAM34: power domain for ESRAM 3 and 4 * - NUM_EPOD_ID: number of power domains * * TODO: These should be prefixed. */ #define EPOD_ID_SVAMMDSP 0 #define EPOD_ID_SVAPIPE 1 #define EPOD_ID_SIAMMDSP 2 #define EPOD_ID_SIAPIPE 3 #define EPOD_ID_SGA 4 #define EPOD_ID_B2R2_MCDE 5 #define EPOD_ID_ESRAM12 6 #define EPOD_ID_ESRAM34 7 #define NUM_EPOD_ID 8 /* * DB5500 EPODs */ #define DB5500_EPOD_ID_BASE 0x0100 #define DB5500_EPOD_ID_SGA (DB5500_EPOD_ID_BASE + 0) #define DB5500_EPOD_ID_HVA (DB5500_EPOD_ID_BASE + 1) #define DB5500_EPOD_ID_SIA (DB5500_EPOD_ID_BASE + 2) #define DB5500_EPOD_ID_DISP (DB5500_EPOD_ID_BASE + 3) #define DB5500_EPOD_ID_ESRAM12 (DB5500_EPOD_ID_BASE + 6) #define DB5500_NUM_EPOD_ID 7 /* * state definition for EPOD (power domain) * - EPOD_STATE_NO_CHANGE: The EPOD should remain unchanged * - EPOD_STATE_OFF: The EPOD is switched off * - EPOD_STATE_RAMRET: The EPOD is switched off with its internal RAM in * retention * - EPOD_STATE_ON_CLK_OFF: The EPOD is switched on, clock is still off * - EPOD_STATE_ON: Same as above, but with clock enabled */ #define EPOD_STATE_NO_CHANGE 0x00 #define EPOD_STATE_OFF 0x01 #define EPOD_STATE_RAMRET 0x02 #define EPOD_STATE_ON_CLK_OFF 0x03 #define EPOD_STATE_ON 0x04 /* DB5500 CLKOUT IDs */ enum { DB5500_CLKOUT0 = 0, DB5500_CLKOUT1, }; /* DB5500 CLKOUTx sources */ enum { DB5500_CLKOUT_REF_CLK_SEL0, DB5500_CLKOUT_RTC_CLK0_SEL0, DB5500_CLKOUT_ULP_CLK_SEL0, DB5500_CLKOUT_STATIC0, DB5500_CLKOUT_REFCLK, DB5500_CLKOUT_ULPCLK, DB5500_CLKOUT_ARMCLK, DB5500_CLKOUT_SYSACC0CLK, DB5500_CLKOUT_SOC0PLLCLK, DB5500_CLKOUT_SOC1PLLCLK, DB5500_CLKOUT_DDRPLLCLK, DB5500_CLKOUT_TVCLK, DB5500_CLKOUT_IRDACLK, }; /* * CLKOUT sources */ #define PRCMU_CLKSRC_CLK38M 0x00 #define PRCMU_CLKSRC_ACLK 0x01 #define PRCMU_CLKSRC_SYSCLK 0x02 #define PRCMU_CLKSRC_LCDCLK 0x03 #define PRCMU_CLKSRC_SDMMCCLK 0x04 #define PRCMU_CLKSRC_TVCLK 0x05 #define PRCMU_CLKSRC_TIMCLK 0x06 #define PRCMU_CLKSRC_CLK009 0x07 /* These are only valid for CLKOUT1: */ #define PRCMU_CLKSRC_SIAMMDSPCLK 0x40 #define PRCMU_CLKSRC_I2CCLK 0x41 #define PRCMU_CLKSRC_MSP02CLK 0x42 #define PRCMU_CLKSRC_ARMPLL_OBSCLK 0x43 #define PRCMU_CLKSRC_HSIRXCLK 0x44 #define PRCMU_CLKSRC_HSITXCLK 0x45 #define PRCMU_CLKSRC_ARMCLKFIX 0x46 #define PRCMU_CLKSRC_HDMICLK 0x47 /* * Clock identifiers. */ enum prcmu_clock { PRCMU_SGACLK, PRCMU_UARTCLK, PRCMU_MSP02CLK, PRCMU_MSP1CLK, PRCMU_I2CCLK, PRCMU_SDMMCCLK, PRCMU_SPARE1CLK, PRCMU_SLIMCLK, PRCMU_PER1CLK, PRCMU_PER2CLK, PRCMU_PER3CLK, PRCMU_PER5CLK, PRCMU_PER6CLK, PRCMU_PER7CLK, PRCMU_LCDCLK, PRCMU_BMLCLK, PRCMU_HSITXCLK, PRCMU_HSIRXCLK, PRCMU_HDMICLK, PRCMU_APEATCLK, PRCMU_APETRACECLK, PRCMU_MCDECLK, PRCMU_IPI2CCLK, PRCMU_DSIALTCLK, PRCMU_DMACLK, PRCMU_B2R2CLK, PRCMU_TVCLK, PRCMU_SSPCLK, PRCMU_RNGCLK, PRCMU_UICCCLK, PRCMU_PWMCLK, PRCMU_IRDACLK, PRCMU_IRRCCLK, PRCMU_SIACLK, PRCMU_SVACLK, PRCMU_ACLK, PRCMU_NUM_REG_CLOCKS, PRCMU_SYSCLK = PRCMU_NUM_REG_CLOCKS, PRCMU_CDCLK, PRCMU_TIMCLK, PRCMU_PLLSOC0, PRCMU_PLLSOC1, PRCMU_PLLDDR, PRCMU_PLLDSI, PRCMU_DSI0CLK, PRCMU_DSI1CLK, PRCMU_DSI0ESCCLK, PRCMU_DSI1ESCCLK, PRCMU_DSI2ESCCLK, }; /** * enum ape_opp - APE OPP states definition * @APE_OPP_INIT: * @APE_NO_CHANGE: The APE operating point is unchanged * @APE_100_OPP: The new APE operating point is ape100opp * @APE_50_OPP: 50% * @APE_50_PARTLY_25_OPP: 50%, except some clocks at 25%. */ enum ape_opp { APE_OPP_INIT = 0x00, APE_NO_CHANGE = 0x01, APE_100_OPP = 0x02, APE_50_OPP = 0x03, APE_50_PARTLY_25_OPP = 0xFF, }; /** * enum arm_opp - ARM OPP states definition * @ARM_OPP_INIT: * @ARM_NO_CHANGE: The ARM operating point is unchanged * @ARM_100_OPP: The new ARM operating point is arm100opp * @ARM_50_OPP: The new ARM operating point is arm50opp * @ARM_MAX_OPP: Operating point is "max" (more than 100) * @ARM_MAX_FREQ100OPP: Set max opp if available, else 100 * @ARM_EXTCLK: The new ARM operating point is armExtClk */ enum arm_opp { ARM_OPP_INIT = 0x00, ARM_NO_CHANGE = 0x01, ARM_100_OPP = 0x02, ARM_50_OPP = 0x03, ARM_MAX_OPP = 0x04, ARM_MAX_FREQ100OPP = 0x05, ARM_EXTCLK = 0x07 }; /** * enum ddr_opp - DDR OPP states definition * @DDR_100_OPP: The new DDR operating point is ddr100opp * @DDR_50_OPP: The new DDR operating point is ddr50opp * @DDR_25_OPP: The new DDR operating point is ddr25opp */ enum ddr_opp { DDR_100_OPP = 0x00, DDR_50_OPP = 0x01, DDR_25_OPP = 0x02, }; /* * Definitions for controlling ESRAM0 in deep sleep. */ #define ESRAM0_DEEP_SLEEP_STATE_OFF 1 #define ESRAM0_DEEP_SLEEP_STATE_RET 2 /** * enum ddr_pwrst - DDR power states definition * @DDR_PWR_STATE_UNCHANGED: SDRAM and DDR controller state is unchanged * @DDR_PWR_STATE_ON: * @DDR_PWR_STATE_OFFLOWLAT: * @DDR_PWR_STATE_OFFHIGHLAT: */ enum ddr_pwrst { DDR_PWR_STATE_UNCHANGED = 0x00, DDR_PWR_STATE_ON = 0x01, DDR_PWR_STATE_OFFLOWLAT = 0x02, DDR_PWR_STATE_OFFHIGHLAT = 0x03 }; #include #include #if defined(CONFIG_UX500_SOC_DB8500) || defined(CONFIG_UX500_SOC_DB5500) #include static inline void __init prcmu_early_init(void) { if (cpu_is_u5500()) return db5500_prcmu_early_init(); else return db8500_prcmu_early_init(); } static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll) { if (cpu_is_u5500()) return db5500_prcmu_set_power_state(state, keep_ulp_clk, keep_ap_pll); else return db8500_prcmu_set_power_state(state, keep_ulp_clk, keep_ap_pll); } static inline u8 prcmu_get_power_state_result(void) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_get_power_state_result(); } static inline int prcmu_gic_decouple(void) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_gic_decouple(); } static inline int prcmu_gic_recouple(void) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_gic_recouple(); } static inline bool prcmu_gic_pending_irq(void) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_gic_pending_irq(); } static inline int prcmu_set_epod(u16 epod_id, u8 epod_state) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_set_epod(epod_id, epod_state); } static inline void prcmu_enable_wakeups(u32 wakeups) { if (cpu_is_u5500()) db5500_prcmu_enable_wakeups(wakeups); else db8500_prcmu_enable_wakeups(wakeups); } static inline void prcmu_disable_wakeups(void) { prcmu_enable_wakeups(0); } static inline void prcmu_config_abb_event_readout(u32 abb_events) { if (cpu_is_u5500()) db5500_prcmu_config_abb_event_readout(abb_events); else db8500_prcmu_config_abb_event_readout(abb_events); } static inline void prcmu_get_abb_event_buffer(void __iomem **buf) { if (cpu_is_u5500()) db5500_prcmu_get_abb_event_buffer(buf); else db8500_prcmu_get_abb_event_buffer(buf); } int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size); int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size); int prcmu_config_clkout(u8 clkout, u8 source, u8 div); static inline int prcmu_request_clock(u8 clock, bool enable) { if (cpu_is_u5500()) return db5500_prcmu_request_clock(clock, enable); else return db8500_prcmu_request_clock(clock, enable); } unsigned long prcmu_clock_rate(u8 clock); long prcmu_round_clock_rate(u8 clock, unsigned long rate); int prcmu_set_clock_rate(u8 clock, unsigned long rate); static inline int prcmu_set_ddr_opp(u8 opp) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_set_ddr_opp(opp); } static inline int prcmu_get_ddr_opp(void) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_get_ddr_opp(); } static inline int prcmu_set_arm_opp(u8 opp) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_set_arm_opp(opp); } static inline int prcmu_get_arm_opp(void) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_get_arm_opp(); } static inline int prcmu_set_ape_opp(u8 opp) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_set_ape_opp(opp); } static inline int prcmu_get_ape_opp(void) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_get_ape_opp(); } static inline void prcmu_system_reset(u16 reset_code) { if (cpu_is_u5500()) return db5500_prcmu_system_reset(reset_code); else return db8500_prcmu_system_reset(reset_code); } static inline u16 prcmu_get_reset_code(void) { if (cpu_is_u5500()) return db5500_prcmu_get_reset_code(); else return db8500_prcmu_get_reset_code(); } void prcmu_ac_wake_req(void); void prcmu_ac_sleep_req(void); static inline void prcmu_modem_reset(void) { if (cpu_is_u5500()) return; else return db8500_prcmu_modem_reset(); } static inline bool prcmu_is_ac_wake_requested(void) { if (cpu_is_u5500()) return db5500_prcmu_is_ac_wake_requested(); else return db8500_prcmu_is_ac_wake_requested(); } static inline int prcmu_set_display_clocks(void) { if (cpu_is_u5500()) return db5500_prcmu_set_display_clocks(); else return db8500_prcmu_set_display_clocks(); } static inline int prcmu_disable_dsipll(void) { if (cpu_is_u5500()) return db5500_prcmu_disable_dsipll(); else return db8500_prcmu_disable_dsipll(); } static inline int prcmu_enable_dsipll(void) { if (cpu_is_u5500()) return db5500_prcmu_enable_dsipll(); else return db8500_prcmu_enable_dsipll(); } static inline int prcmu_config_esram0_deep_sleep(u8 state) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_config_esram0_deep_sleep(state); } static inline int prcmu_config_hotdog(u8 threshold) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_config_hotdog(threshold); } static inline int prcmu_config_hotmon(u8 low, u8 high) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_config_hotmon(low, high); } static inline int prcmu_start_temp_sense(u16 cycles32k) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_start_temp_sense(cycles32k); } static inline int prcmu_stop_temp_sense(void) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_stop_temp_sense(); } static inline u32 prcmu_read(unsigned int reg) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_read(reg); } static inline void prcmu_write(unsigned int reg, u32 value) { if (cpu_is_u5500()) return; else db8500_prcmu_write(reg, value); } static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) { if (cpu_is_u5500()) return; else db8500_prcmu_write_masked(reg, mask, value); } static inline int prcmu_enable_a9wdog(u8 id) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_enable_a9wdog(id); } static inline int prcmu_disable_a9wdog(u8 id) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_disable_a9wdog(id); } static inline int prcmu_kick_a9wdog(u8 id) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_kick_a9wdog(id); } static inline int prcmu_load_a9wdog(u8 id, u32 timeout) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_load_a9wdog(id, timeout); } static inline int prcmu_config_a9wdog(u8 num, bool sleep_auto_off) { if (cpu_is_u5500()) return -EINVAL; else return db8500_prcmu_config_a9wdog(num, sleep_auto_off); } #else static inline void __init prcmu_early_init(void) {} static inline int prcmu_set_power_state(u8 state, bool keep_ulp_clk, bool keep_ap_pll) { return 0; } static inline int prcmu_set_epod(u16 epod_id, u8 epod_state) { return 0; } static inline void prcmu_enable_wakeups(u32 wakeups) {} static inline void prcmu_disable_wakeups(void) {} static inline int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size) { return -ENOSYS; } static inline int prcmu_abb_write(u8 slave, u8 reg, u8 *value, u8 size) { return -ENOSYS; } static inline int prcmu_config_clkout(u8 clkout, u8 source, u8 div) { return 0; } static inline int prcmu_request_clock(u8 clock, bool enable) { return 0; } static inline long prcmu_round_clock_rate(u8 clock, unsigned long rate) { return 0; } static inline int prcmu_set_clock_rate(u8 clock, unsigned long rate) { return 0; } static inline unsigned long prcmu_clock_rate(u8 clock) { return 0; } static inline int prcmu_set_ape_opp(u8 opp) { return 0; } static inline int prcmu_get_ape_opp(void) { return APE_100_OPP; } static inline int prcmu_set_arm_opp(u8 opp) { return 0; } static inline int prcmu_get_arm_opp(void) { return ARM_100_OPP; } static inline int prcmu_set_ddr_opp(u8 opp) { return 0; } static inline int prcmu_get_ddr_opp(void) { return DDR_100_OPP; } static inline void prcmu_system_reset(u16 reset_code) {} static inline u16 prcmu_get_reset_code(void) { return 0; } static inline void prcmu_ac_wake_req(void) {} static inline void prcmu_ac_sleep_req(void) {} static inline void prcmu_modem_reset(void) {} static inline bool prcmu_is_ac_wake_requested(void) { return false; } static inline int prcmu_set_display_clocks(void) { return 0; } static inline int prcmu_disable_dsipll(void) { return 0; } static inline int prcmu_enable_dsipll(void) { return 0; } static inline int prcmu_config_esram0_deep_sleep(u8 state) { return 0; } static inline void prcmu_config_abb_event_readout(u32 abb_events) {} static inline void prcmu_get_abb_event_buffer(void __iomem **buf) { *buf = NULL; } static inline int prcmu_config_hotdog(u8 threshold) { return 0; } static inline int prcmu_config_hotmon(u8 low, u8 high) { return 0; } static inline int prcmu_start_temp_sense(u16 cycles32k) { return 0; } static inline int prcmu_stop_temp_sense(void) { return 0; } static inline u32 prcmu_read(unsigned int reg) { return 0; } static inline void prcmu_write(unsigned int reg, u32 value) {} static inline void prcmu_write_masked(unsigned int reg, u32 mask, u32 value) {} #endif static inline void prcmu_set(unsigned int reg, u32 bits) { prcmu_write_masked(reg, bits, bits); } static inline void prcmu_clear(unsigned int reg, u32 bits) { prcmu_write_masked(reg, bits, 0); } #if defined(CONFIG_UX500_SOC_DB8500) || defined(CONFIG_UX500_SOC_DB5500) /** * prcmu_enable_spi2 - Enables pin muxing for SPI2 on OtherAlternateC1. */ static inline void prcmu_enable_spi2(void) { if (cpu_is_u8500()) prcmu_set(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT); } /** * prcmu_disable_spi2 - Disables pin muxing for SPI2 on OtherAlternateC1. */ static inline void prcmu_disable_spi2(void) { if (cpu_is_u8500()) prcmu_clear(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_SPI2_SELECT); } /** * prcmu_enable_stm_mod_uart - Enables pin muxing for STMMOD * and UARTMOD on OtherAlternateC3. */ static inline void prcmu_enable_stm_mod_uart(void) { if (cpu_is_u8500()) { prcmu_set(DB8500_PRCM_GPIOCR, (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 | DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0)); } } /** * prcmu_disable_stm_mod_uart - Disables pin muxing for STMMOD * and UARTMOD on OtherAlternateC3. */ static inline void prcmu_disable_stm_mod_uart(void) { if (cpu_is_u8500()) { prcmu_clear(DB8500_PRCM_GPIOCR, (DB8500_PRCM_GPIOCR_DBG_STM_MOD_CMD1 | DB8500_PRCM_GPIOCR_DBG_UARTMOD_CMD0)); } } /** * prcmu_enable_stm_ape - Enables pin muxing for STM APE on OtherAlternateC1. */ static inline void prcmu_enable_stm_ape(void) { if (cpu_is_u8500()) { prcmu_set(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD); } } /** * prcmu_disable_stm_ape - Disables pin muxing for STM APE on OtherAlternateC1. */ static inline void prcmu_disable_stm_ape(void) { if (cpu_is_u8500()) { prcmu_clear(DB8500_PRCM_GPIOCR, DB8500_PRCM_GPIOCR_DBG_STM_APE_CMD); } } #else static inline void prcmu_enable_spi2(void) {} static inline void prcmu_disable_spi2(void) {} static inline void prcmu_enable_stm_mod_uart(void) {} static inline void prcmu_disable_stm_mod_uart(void) {} static inline void prcmu_enable_stm_ape(void) {} static inline void prcmu_disable_stm_ape(void) {} #endif /* PRCMU QoS APE OPP class */ #define PRCMU_QOS_APE_OPP 1 #define PRCMU_QOS_DDR_OPP 2 #define PRCMU_QOS_ARM_OPP 3 #define PRCMU_QOS_DEFAULT_VALUE -1 #ifdef CONFIG_DBX500_PRCMU_QOS_POWER unsigned long prcmu_qos_get_cpufreq_opp_delay(void); void prcmu_qos_set_cpufreq_opp_delay(unsigned long); void prcmu_qos_force_opp(int, s32); int prcmu_qos_requirement(int pm_qos_class); int prcmu_qos_add_requirement(int pm_qos_class, char *name, s32 value); int prcmu_qos_update_requirement(int pm_qos_class, char *name, s32 new_value); void prcmu_qos_remove_requirement(int pm_qos_class, char *name); int prcmu_qos_add_notifier(int prcmu_qos_class, struct notifier_block *notifier); int prcmu_qos_remove_notifier(int prcmu_qos_class, struct notifier_block *notifier); #else static inline unsigned long prcmu_qos_get_cpufreq_opp_delay(void) { return 0; } static inline void prcmu_qos_set_cpufreq_opp_delay(unsigned long n) {} static inline void prcmu_qos_force_opp(int prcmu_qos_class, s32 i) {} static inline int prcmu_qos_requirement(int prcmu_qos_class) { return 0; } static inline int prcmu_qos_add_requirement(int prcmu_qos_class, char *name, s32 value) { return 0; } static inline int prcmu_qos_update_requirement(int prcmu_qos_class, char *name, s32 new_value) { return 0; } static inline void prcmu_qos_remove_requirement(int prcmu_qos_class, char *name) { } static inline int prcmu_qos_add_notifier(int prcmu_qos_class, struct notifier_block *notifier) { return 0; } static inline int prcmu_qos_remove_notifier(int prcmu_qos_class, struct notifier_block *notifier) { return 0; } #endif #endif /* __MACH_PRCMU_H */