/*
 * HND SiliconBackplane PMU support.
 *
 * Copyright (C) 2020, Broadcom.
 *
 *      Unless you and Broadcom execute a separate written software license
 * agreement governing use of this software, this software is licensed to you
 * under the terms of the GNU General Public License version 2 (the "GPL"),
 * available at http://www.broadcom.com/licenses/GPLv2.php, with the
 * following added to such license:
 *
 *      As a special exception, the copyright holders of this software give you
 * permission to link this software with independent modules, and to copy and
 * distribute the resulting executable under terms of your choice, provided that
 * you also meet, for each linked independent module, the terms and conditions of
 * the license of that module.  An independent module is a module which is not
 * derived from this software.  The special exception does not apply to any
 * modifications of the software.
 *
 *
 * <<Broadcom-WL-IPTag/Dual:>>
 */

#ifndef _hndpmu_h_
#define _hndpmu_h_

#include <typedefs.h>
#include <osl_decl.h>
#include <siutils.h>
#include <sbchipc.h>
#if defined(BTOVERPCIE) || defined(BT_WLAN_REG_ON_WAR)
#include <hnd_gcisem.h>
#endif /* BTOVERPCIE || BT_WLAN_REG_ON_WAR */

#if !defined(BCMDONGLEHOST)

#define SET_LDO_VOLTAGE_LDO1		1
#define SET_LDO_VOLTAGE_LDO2		2
#define SET_LDO_VOLTAGE_LDO3		3
#define SET_LDO_VOLTAGE_PAREF		4
#define SET_LDO_VOLTAGE_CLDO_PWM	5
#define SET_LDO_VOLTAGE_CLDO_BURST	6
#define SET_LDO_VOLTAGE_CBUCK_PWM	7
#define SET_LDO_VOLTAGE_CBUCK_BURST	8
#define SET_LDO_VOLTAGE_LNLDO1		9
#define SET_LDO_VOLTAGE_LNLDO2_SEL	10
#define SET_LNLDO_PWERUP_LATCH_CTRL	11
#define SET_LDO_VOLTAGE_LDO3P3		12

#define BBPLL_NDIV_FRAC_BITS		24
#define P1_DIV_SCALE_BITS			12

#define PMUREQTIMER (1 << 0)

#define XTAL_FREQ_40MHZ		40000
#define XTAL_FREQ_54MHZ		54000

/* selects core based on AOB_ENAB() */
#define PMUREGADDR(sih, pmur, ccr, member) \
	(AOB_ENAB(sih) ? (&(pmur)->member) : (&(ccr)->member))

/* prevents backplane stall caused by subsequent writes to 'ilp domain' PMU registers */
#define HND_PMU_SYNC_WR(sih, pmur, ccr, osh, r, v) do { \
	if ((sih) && (sih)->pmurev >= 22) { \
		while (R_REG(osh, PMUREGADDR(sih, pmur, ccr, pmustatus)) & \
		       PST_SLOW_WR_PENDING) { \
			; /* empty */ \
		} \
	} \
	W_REG(osh, r, v); \
	(void)R_REG(osh, r); \
} while (0)

/* PMU Stat Timer */

/* for count mode */
enum {
	PMU_STATS_LEVEL_HIGH = 0,
	PMU_STATS_LEVEL_LOW,
	PMU_STATS_EDGE_RISE,
	PMU_STATS_EDGE_FALL
};

typedef struct {
	uint8 src_num; /* predefined source hw signal num to map timer */
	bool  enable;  /* timer enable/disable */
	bool  int_enable; /* overflow interrupts enable/disable */
	uint8 cnt_mode;
} pmu_stats_timer_t;

/* internal hw signal source number for Timer  */
#define SRC_PMU_RESRC_OFFSET 0x40

#define SRC_LINK_IN_L12 0
#define SRC_LINK_IN_L23 1
#define SRC_PM_ST_IN_D0 2
#define SRC_PM_ST_IN_D3 3

#define SRC_XTAL_PU (SRC_PMU_RESRC_OFFSET + RES4347_XTAL_PU)
#define SRC_CORE_RDY_MAIN (SRC_PMU_RESRC_OFFSET + RES4347_CORE_RDY_MAIN)
#define SRC_CORE_RDY_AUX (SRC_PMU_RESRC_OFFSET + RES4347_CORE_RDY_AUX)

#ifdef BCMPMU_STATS
extern bool _pmustatsenab;
#if defined(ROM_ENAB_RUNTIME_CHECK)
	#define PMU_STATS_ENAB()	(_pmustatsenab)
#elif defined(BCMPMU_STATS_DISABLED)
	#define PMU_STATS_ENAB()	(0)
#else
	#define PMU_STATS_ENAB()	(1)
#endif
#else
	#define PMU_STATS_ENAB()	(0)
#endif /* BCMPMU_STATS */

#define RES4369_HTAVAIL_VAL 0x00a80022

#if defined(BTOVERPCIE) && defined(BT_WLAN_REG_ON_WAR)
#error "'BT over PCIe' and 'WLAN/BT REG_ON WAR' are mutually exclusive as "
	"both share the same GCI semaphore - THREAD_0_GCI_SEM_3_ID"
#endif /* BTOVERPCIE && BT_WLAN_REG_ON_WAR */

#if defined(BTOVERPCIE)
#define GCI_PLL_LOCK_SEM			THREAD_0_GCI_SEM_3_ID
/* changed from msec to usec */
#define GCI_PLL_LOCK_SEM_TIMEOUT		(GCI_SEM_TIMEOUT_AFTER_RESERVE * 1000)
#endif /* BTOVERPCIE */

#if defined(BT_WLAN_REG_ON_WAR)
#define GCI_BT_WLAN_REG_ON_WAR_SEM		THREAD_0_GCI_SEM_3_ID
#define GCI_BT_WLAN_REG_ON_WAR_SEM_TIMEOUT	(GCI_SEM_TIMEOUT_AFTER_RESERVE * 1000)
#endif /* BT_WLAN_REG_ON_WAR */

#define GCI_INDIRECT_ACCESS_SEM                 THREAD_0_GCI_SEM_2_ID
#define GCI_INDIRECT_ACCESS_SEM_TIMEOUT         (GCI_SEM_TIMEOUT_AFTER_RESERVE * 1000)

#define GCI_TREFUP_DS_SEM                       THREAD_0_GCI_SEM_5_ID
#define GCI_TREFUP_DS_SEM_TIMEOUT               (GCI_SEM_TIMEOUT_AFTER_RESERVE * 1000)

#define GCI_BT_BOOTSTAGE_MEMOFFSET              (0x570u)
#define GCI_BT_BOOTSTAGE_FW_WAIT                0u  /* BT ROM code waiting on FW boot */
#define GCI_BT_BOOTSTAGE_FW_BOOT                2u  /* upon FW boot/start */
#define GCI_BT_BOOTSTAGE_FW_TRAP                3u  /* upon a trap */
#define GCI_BT_BOOTSTAGE_FW_INVALID             0xFFu

#define GCI_TREFUP_DS_MEMOFFSET                 (0x57Cu)
#define GCI_TREFUP_DS_WLAN                      (1u << 0u)
#define GCI_TREFUP_DS_BT                        (1u << 1u)
#define GCI_SHARED_SFLASH_RSVD                  (1u << 2u)

#define GCI_SHARED_SFLASH_SEM			THREAD_0_GCI_SEM_6_ID
#define GCI_SHARED_SFLASH_SEM_TIMEOUT	GCI_SEM_TIMEOUT_AFTER_RESERVE * 1000
#define GCI_SHARED_SFLASH_SEM_ERASE_RSVD_TIMEOUT		50 + 30 /* 50 us + headroom */

#define SLEW_RATE_VALUE_REG_4369	(PMU_VREG_6)
#define SLEW_RATE_SHIFT_4369(x)		(9u + (x * 8u))
#define SLEW_RATE_SIZE_4369		(3u)
#define SLEW_RATE_MASK_4369		((1u << SLEW_RATE_SIZE_4369) - 1u)
#define SOFT_START_EN_REG_4369		(PMU_VREG_5)
#define SOFT_START_EN_SHIFT_4369(x)	(4u + x)
#define SOFT_START_EN_SIZE_4369		(1u)
#define SOFT_START_EN_MASK_4369		((1u << SOFT_START_EN_SIZE_4369) - 1u)
#define SOFT_START_EN_VALUE_4369	(1u)

#define SLEW_RATE_VALUE_REG_4378	(PMU_VREG_6)
#define SLEW_RATE_SHIFT_4378(x)		(9u + (x * 8u))
#define SLEW_RATE_SIZE_4378		(3u)
#define SLEW_RATE_MASK_4378		((1u << SLEW_RATE_SIZE_4378) - 1u)
#define SOFT_START_EN_REG_4378		(PMU_VREG_5)
#define SOFT_START_EN_SHIFT_4378(x)	(4u + x)
#define SOFT_START_EN_SIZE_4378		(1u)
#define SOFT_START_EN_MASK_4378		((1u << SOFT_START_EN_SIZE_4378) - 1u)
#define SOFT_START_EN_VALUE_4378	(1u)
#define SOFT_START_EN_VALUE_4378_REV37	(0u)

#define SLEW_RATE_VALUE_REG_4387	(PMU_VREG_6)
#define SLEW_RATE_SHIFT_4387(x)		(18u)
#define SLEW_RATE_SIZE_4387		(2u)
#define SLEW_RATE_MASK_4387		((1u << SLEW_RATE_SIZE_4387) - 1u)
#define SOFT_START_EN_REG_4387		(PMU_VREG_6)
#define SOFT_START_EN_SHIFT_4387(x)	(17u)
#define SOFT_START_EN_SIZE_4387		(1u)
#define SOFT_START_EN_MASK_4387		((1u << SOFT_START_EN_SIZE_4387) - 1u)
#define SOFT_START_EN_VALUE_4387	(0u)

extern void si_pmu_init(si_t *sih, osl_t *osh);
extern void si_pmu_chip_init(si_t *sih, osl_t *osh);
extern void si_pmu_pll_init(si_t *sih, osl_t *osh, uint32 xtalfreq);
extern void si_pmu_res_init(si_t *sih, osl_t *osh);
extern void si_pmu_swreg_init(si_t *sih, osl_t *osh);
extern void si_pmu_res_minmax_update(si_t *sih, osl_t *osh);
extern void si_pmu_clear_intmask(si_t *sih);

extern uint32 si_pmu_si_clock(si_t *sih, osl_t *osh);   /* returns [Hz] units */
extern uint32 si_pmu_cpu_clock(si_t *sih, osl_t *osh);  /* returns [hz] units */
extern uint32 si_pmu_mem_clock(si_t *sih, osl_t *osh);  /* returns [Hz] units */
extern uint32 si_pmu_alp_clock(si_t *sih, osl_t *osh);  /* returns [Hz] units */
extern void si_pmu_ilp_clock_set(uint32 cycles);
extern uint32 si_pmu_ilp_clock(si_t *sih, osl_t *osh);  /* returns [Hz] units */

extern void si_pmu_set_ldo_voltage(si_t *sih, osl_t *osh, uint8 ldo, uint8 voltage);
extern uint16 si_pmu_fast_pwrup_delay(si_t *sih, osl_t *osh);
extern uint si_pmu_fast_pwrup_delay_dig(si_t *sih, osl_t *osh);
extern void si_pmu_pllupd(si_t *sih);
extern void si_pmu_spuravoid(si_t *sih, osl_t *osh, uint8 spuravoid);
extern void si_pmu_pll_off_PARR(si_t *sih, osl_t *osh, uint32 *min_res_mask,
	uint32 *max_res_mask, uint32 *clk_ctl_st);
extern uint32 si_pmu_pll28nm_fvco(si_t *sih);
/* below function are only for BBPLL parallel purpose */
extern void si_pmu_gband_spurwar(si_t *sih, osl_t *osh);

extern bool si_pmu_is_otp_powered(si_t *sih, osl_t *osh);
extern uint32 si_pmu_measure_alpclk(si_t *sih, osl_t *osh);

extern uint32 si_pmu_chipcontrol(si_t *sih, uint reg, uint32 mask, uint32 val);
#if defined(SAVERESTORE)
extern void si_set_abuck_mode_4362(si_t *sih, uint8 mode);
#endif /* SAVERESTORE */

#define si_pmu_regcontrol si_pmu_vreg_control /* prevents build err because of usage in PHY */
extern uint32 si_pmu_vreg_control(si_t *sih, uint reg, uint32 mask, uint32 val);
extern uint32 si_pmu_pllcontrol(si_t *sih, uint reg, uint32 mask, uint32 val);
extern void si_pmu_pllupd(si_t *sih);

extern uint32 si_pmu_waitforclk_on_backplane(si_t *sih, osl_t *osh, uint32 clk, uint32 delay);
extern uint32 si_pmu_get_bb_vcofreq(si_t *sih, osl_t *osh, int xtalfreq);
typedef void (*si_pmu_callback_t)(void* arg);

extern uint32 si_mac_clk(si_t *sih, osl_t *osh);
extern void si_pmu_switch_on_PARLDO(si_t *sih, osl_t *osh);
extern void si_pmu_switch_off_PARLDO(si_t *sih, osl_t *osh);

/* TODO: need a better fn name or better abstraction than the raw fvco
 * and MAC clock channel divisor...
 */
extern int si_pmu_fvco_macdiv(si_t *sih, uint32 *fvco, uint32 *div);

extern bool si_pmu_reset_ret_sleep_log(si_t *sih, osl_t *osh);
extern bool si_pmu_reset_chip_sleep_log(si_t *sih, osl_t *osh);
extern int si_pmu_openloop_cal(si_t *sih, uint16 currtemp);

#ifdef LDO3P3_MIN_RES_MASK
extern int si_pmu_min_res_ldo3p3_set(si_t *sih, osl_t *osh, bool on);
extern int si_pmu_min_res_ldo3p3_get(si_t *sih, osl_t *osh, int *res);
#endif /* LDO3P3_MIN_RES_MASK */

void si_pmu_bt_ldo_pu(si_t *sih, bool up);

int si_pmu_ldo3p3_soft_start_wl_get(si_t *sih, osl_t *osh, int *res);
int si_pmu_ldo3p3_soft_start_wl_set(si_t *sih, osl_t *osh, uint32 slew_rate);
int si_pmu_ldo3p3_soft_start_bt_get(si_t *sih, osl_t *osh, int *res);
int si_pmu_ldo3p3_soft_start_bt_set(si_t *sih, osl_t *osh, uint32 slew_rate);
extern int si_pmu_min_res_otp_pu_set(si_t *sih, osl_t *osh, bool on);
#endif /* !defined(BCMDONGLEHOST) */

#if defined(EDV)
extern uint32 si_pmu_get_backplaneclkspeed(si_t *sih);
extern void si_pmu_update_backplane_clock(si_t *sih, osl_t *osh, uint reg, uint32 mask, uint32 val);
#endif

extern uint32 si_pmu_rsrc_macphy_clk_deps(si_t *sih, osl_t *osh, int maccore_index);
extern uint32 si_pmu_rsrc_ht_avail_clk_deps(si_t *sih, osl_t *osh);
extern uint32 si_pmu_rsrc_cb_ready_deps(si_t *sih, osl_t *osh);

extern void si_pmu_otp_power(si_t *sih, osl_t *osh, bool on, uint32* min_res_mask);
extern void si_sdiod_drive_strength_init(si_t *sih, osl_t *osh, uint32 drivestrength);

extern void si_pmu_slow_clk_reinit(si_t *sih, osl_t *osh);
extern void si_pmu_avbtimer_enable(si_t *sih, osl_t *osh, bool set_flag);
extern uint32 si_pmu_dump_pmucap_binary(si_t *sih, uchar *p);
extern uint32 si_pmu_dump_buf_size_pmucap(si_t *sih);
extern int si_pmu_wait_for_steady_state(si_t *sih, osl_t *osh, pmuregs_t *pmu);
#ifdef ATE_BUILD
extern void hnd_pmu_clr_int_sts_req_active(osl_t *hnd_osh, si_t *hnd_sih);
#endif
extern uint32 si_pmu_wake_bit_offset(si_t *sih);
extern uint32 si_pmu_get_pmutimer(si_t *sih);
extern void si_pmu_set_min_res_mask(si_t *sih, osl_t *osh, uint min_res_mask);
extern void si_pmu_set_mac_rsrc_req(si_t *sih, int macunit);
extern void si_pmu_set_mac_rsrc_req_sc(si_t *sih, osl_t *osh);
extern bool si_pmu_fast_lpo_enable_pcie(si_t *sih);
extern bool si_pmu_fast_lpo_enable_pmu(si_t *sih);
extern uint32 si_cur_pmu_time(si_t *sih);
extern bool si_pmu_cap_fast_lpo(si_t *sih);
extern int si_pmu_fast_lpo_disable(si_t *sih);
extern void si_pmu_dmn1_perst_wakeup(si_t *sih, bool set);
#ifdef BCMPMU_STATS
extern void si_pmustatstimer_init(si_t *sih);
extern void si_pmustatstimer_dump(si_t *sih);
extern void si_pmustatstimer_start(si_t *sih, uint8 timerid);
extern void si_pmustatstimer_stop(si_t *sih, uint8 timerid);
extern void si_pmustatstimer_clear(si_t *sih, uint8 timerid);
extern void si_pmustatstimer_clear_overflow(si_t *sih);
extern uint32 si_pmustatstimer_read(si_t *sih, uint8 timerid);
extern void si_pmustatstimer_cfg_src_num(si_t *sih, uint8 src_num, uint8 timerid);
extern void si_pmustatstimer_cfg_cnt_mode(si_t *sih, uint8 cnt_mode, uint8 timerid);
extern void si_pmustatstimer_int_enable(si_t *sih);
extern void si_pmustatstimer_int_disable(si_t *sih);
#endif /* BCMPMU_STATS */
extern int si_pmu_min_res_set(si_t *sih, osl_t *osh, uint min_mask, bool set);
extern void si_pmu_disable_intr_pwrreq(si_t *sih);

#ifdef DONGLEBUILD
/* Get PMU registers in rodata */
extern int si_pmu_regs_in_rodata_dump(void *sih, void *arg2, uint32 *bufptr, uint16 *len);
#endif

extern void si_pmu_fis_setup(si_t *sih);

extern uint si_pmu_get_mac_rsrc_req_tmr_cnt(si_t *sih);
extern uint si_pmu_get_pmu_interrupt_rcv_cnt(si_t *sih);

extern bool _bcm_pwr_opt_dis;
#define BCM_PWR_OPT_ENAB()	(FALSE)

extern int si_pmu_mem_pwr_off(si_t *sih, int core_idx);
extern int si_pmu_mem_pwr_on(si_t *sih);
extern int si_pmu_lvm_csr_update(si_t *sih, bool lvm);

#if defined(BT_WLAN_REG_ON_WAR)
#define REG_ON_WAR_PMU_EXT_WAKE_REQ_MASK0_VAL 0x060000CDu

extern void si_pmu_reg_on_war_ext_wake_perst_set(si_t *sih);
extern void si_pmu_reg_on_war_ext_wake_perst_clear(si_t *sih);
#endif /* BT_WLAN_REG_ON_WAR */

#if defined (BCMSRTOPOFF)
	extern bool _srtopoff_enab;
#if defined(ROM_ENAB_RUNTIME_CHECK) || !defined(DONGLEBUILD)
	#define BCMSRTOPOFF_ENAB()	(_srtopoff_enab)
#elif defined(BCMSRTOPOFF_DISABLED)
	#define BCMSRTOPOFF_ENAB()	(0)
#else
	#define BCMSRTOPOFF_ENAB()	(_srtopoff_enab)
#endif
#else
	#define BCMSRTOPOFF_ENAB()	(0)
#endif /* BCMSRTOPOFF */

#ifdef BCM_PMU_FLL_PU_MANAGE
#define PMU_FLL_PU_ENAB()	(TRUE)
#else
#define PMU_FLL_PU_ENAB()	(FALSE)
#endif

extern pmuregs_t *hnd_pmur;	/* PMU core regs */
extern void si_pmu_res_state_wait(si_t *sih, uint rsrc);
#endif /* _hndpmu_h_ */