/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Register Map - Based on PolarBear_CSRs.RevA.xlsx (2023-04-21)
*
* Copyright (C) 2023 Integrated Device Technology, Inc., a Renesas Company.
*/
#ifndef MFD_IDTRC38XXX_REG
#define MFD_IDTRC38XXX_REG
/* GLOBAL */
#define SOFT_RESET_CTRL (0 x15) /* Specific to FC3W */
#define MISC_CTRL (0 x14) /* Specific to FC3A */
#define APLL_REINIT BIT(1 )
#define APLL_REINIT_VFC3A BIT(2 )
#define DEVICE_ID (0 x2)
#define DEVICE_ID_MASK (0 x1000) /* Bit 12 is 1 if FC3W and 0 if FC3A */
#define DEVICE_ID_SHIFT (12 )
/* FOD */
#define FOD_0 (0 x300)
#define FOD_0_VFC3A (0 x400)
#define FOD_1 (0 x340)
#define FOD_1_VFC3A (0 x440)
#define FOD_2 (0 x380)
#define FOD_2_VFC3A (0 x480)
/* TDCAPLL */
#define TDC_CTRL (0 x44a) /* Specific to FC3W */
#define TDC_ENABLE_CTRL (0 x169) /* Specific to FC3A */
#define TDC_DAC_CAL_CTRL (0 x16a) /* Specific to FC3A */
#define TDC_EN BIT(0 )
#define TDC_DAC_RECAL_REQ BIT(1 )
#define TDC_DAC_RECAL_REQ_VFC3A BIT(0 )
#define TDC_FB_DIV_INT_CNFG (0 x442)
#define TDC_FB_DIV_INT_CNFG_VFC3A (0 x162)
#define TDC_FB_DIV_INT_MASK GENMASK(7 , 0 )
#define TDC_REF_DIV_CNFG (0 x443)
#define TDC_REF_DIV_CNFG_VFC3A (0 x163)
#define TDC_REF_DIV_CONFIG_MASK GENMASK(2 , 0 )
/* TIME SYNC CHANNEL */
#define TIME_CLOCK_SRC (0 xa01) /* Specific to FC3W */
#define TIME_CLOCK_COUNT (0 xa00) /* Specific to FC3W */
#define TIME_CLOCK_COUNT_MASK GENMASK(5 , 0 )
#define SUB_SYNC_GEN_CNFG (0 xa04)
#define TOD_COUNTER_READ_REQ (0 xa5f)
#define TOD_COUNTER_READ_REQ_VFC3A (0 x6df)
#define TOD_SYNC_LOAD_VAL_CTRL (0 xa10)
#define TOD_SYNC_LOAD_VAL_CTRL_VFC3A (0 x690)
#define SYNC_COUNTER_MASK GENMASK_ULL(51 , 0 )
#define SUB_SYNC_COUNTER_MASK GENMASK(30 , 0 )
#define TOD_SYNC_LOAD_REQ_CTRL (0 xa21)
#define TOD_SYNC_LOAD_REQ_CTRL_VFC3A (0 x6a1)
#define SYNC_LOAD_ENABLE BIT(1 )
#define SUB_SYNC_LOAD_ENABLE BIT(0 )
#define SYNC_LOAD_REQ BIT(0 )
#define LPF_MODE_CNFG (0 xa80)
#define LPF_MODE_CNFG_VFC3A (0 x700)
enum lpf_mode {
LPF_DISABLED = 0 ,
LPF_WP = 1 ,
LPF_HOLDOVER = 2 ,
LPF_WF = 3 ,
LPF_INVALID = 4
};
#define LPF_CTRL (0 xa98)
#define LPF_CTRL_VFC3A (0 x718)
#define LPF_EN BIT(0 )
#define LPF_BW_CNFG (0 xa81)
#define LPF_BW_SHIFT GENMASK(7 , 3 )
#define LPF_BW_MULT GENMASK(2 , 0 )
#define LPF_BW_SHIFT_DEFAULT (0 xb)
#define LPF_BW_MULT_DEFAULT (0 x0)
#define LPF_BW_SHIFT_1PPS (0 x5)
#define LPF_WR_PHASE_CTRL (0 xaa8)
#define LPF_WR_PHASE_CTRL_VFC3A (0 x728)
#define LPF_WR_FREQ_CTRL (0 xab0)
#define LPF_WR_FREQ_CTRL_VFC3A (0 x730)
#define TIME_CLOCK_TDC_FANOUT_CNFG (0 xB00)
#define TIME_SYNC_TO_TDC_EN BIT(0 )
#define SIG1_MUX_SEL_MASK GENMASK(7 , 4 )
#define SIG2_MUX_SEL_MASK GENMASK(11 , 8 )
enum tdc_mux_sel {
REF0 = 0 ,
REF1 = 1 ,
REF2 = 2 ,
REF3 = 3 ,
REF_CLK5 = 4 ,
REF_CLK6 = 5 ,
DPLL_FB_TO_TDC = 6 ,
DPLL_FB_DIVIDED_TO_TDC = 7 ,
TIME_CLK_DIVIDED = 8 ,
TIME_SYNC = 9 ,
};
#define TIME_CLOCK_MEAS_CNFG (0 xB04)
#define TDC_MEAS_MODE BIT(0 )
enum tdc_meas_mode {
CONTINUOUS = 0 ,
ONE_SHOT = 1 ,
MEAS_MODE_INVALID = 2 ,
};
#define TIME_CLOCK_MEAS_DIV_CNFG (0 xB08)
#define TIME_REF_DIV_MASK GENMASK(29 , 24 )
#define TIME_CLOCK_MEAS_CTRL (0 xB10)
#define TDC_MEAS_EN BIT(0 )
#define TDC_MEAS_START BIT(1 )
#define TDC_FIFO_READ_REQ (0 xB2F)
#define TDC_FIFO_READ (0 xB30)
#define COARSE_MEAS_MASK GENMASK_ULL(39 , 13 )
#define FINE_MEAS_MASK GENMASK(12 , 0 )
#define TDC_FIFO_CTRL (0 xB12)
#define FIFO_CLEAR BIT(0 )
#define TDC_FIFO_STS (0 xB38)
#define FIFO_FULL BIT(1 )
#define FIFO_EMPTY BIT(0 )
#define TDC_FIFO_EVENT (0 xB39)
#define FIFO_OVERRUN BIT(1 )
/* DPLL */
#define MAX_REFERENCE_INDEX (3 )
#define MAX_NUM_REF_PRIORITY (4 )
#define MAX_DPLL_INDEX (2 )
#define DPLL_STS (0 x580)
#define DPLL_STS_VFC3A (0 x571)
#define DPLL_STATE_STS_MASK (0 x70)
#define DPLL_STATE_STS_SHIFT (4 )
#define DPLL_REF_SEL_STS_MASK (0 x6)
#define DPLL_REF_SEL_STS_SHIFT (1 )
#define DPLL_REF_PRIORITY_CNFG (0 x502)
#define DPLL_REFX_PRIORITY_DISABLE_MASK (0 xf)
#define DPLL_REF0_PRIORITY_ENABLE_AND_SET_MASK (0 x31)
#define DPLL_REF1_PRIORITY_ENABLE_AND_SET_MASK (0 xc2)
#define DPLL_REF2_PRIORITY_ENABLE_AND_SET_MASK (0 x304)
#define DPLL_REF3_PRIORITY_ENABLE_AND_SET_MASK (0 xc08)
#define DPLL_REF0_PRIORITY_SHIFT (4 )
#define DPLL_REF1_PRIORITY_SHIFT (6 )
#define DPLL_REF2_PRIORITY_SHIFT (8 )
#define DPLL_REF3_PRIORITY_SHIFT (10 )
enum dpll_state {
DPLL_STATE_MIN = 0 ,
DPLL_STATE_FREERUN = DPLL_STATE_MIN,
DPLL_STATE_LOCKED = 1 ,
DPLL_STATE_HOLDOVER = 2 ,
DPLL_STATE_WRITE_FREQUENCY = 3 ,
DPLL_STATE_ACQUIRE = 4 ,
DPLL_STATE_HITLESS_SWITCH = 5 ,
DPLL_STATE_MAX = DPLL_STATE_HITLESS_SWITCH
};
/* REFMON */
#define LOSMON_STS_0 (0 x81e)
#define LOSMON_STS_0_VFC3A (0 x18e)
#define LOSMON_STS_1 (0 x82e)
#define LOSMON_STS_1_VFC3A (0 x19e)
#define LOSMON_STS_2 (0 x83e)
#define LOSMON_STS_2_VFC3A (0 x1ae)
#define LOSMON_STS_3 (0 x84e)
#define LOSMON_STS_3_VFC3A (0 x1be)
#define LOS_STS_MASK (0 x1)
#define FREQMON_STS_0 (0 x874)
#define FREQMON_STS_0_VFC3A (0 x1d4)
#define FREQMON_STS_1 (0 x894)
#define FREQMON_STS_1_VFC3A (0 x1f4)
#define FREQMON_STS_2 (0 x8b4)
#define FREQMON_STS_2_VFC3A (0 x214)
#define FREQMON_STS_3 (0 x8d4)
#define FREQMON_STS_3_VFC3A (0 x234)
#define FREQ_FAIL_STS_SHIFT (31 )
/* Firmware interface */
#define TIME_CLK_FREQ_ADDR (0 xffa0)
#define XTAL_FREQ_ADDR (0 xffa1)
/*
* Return register address and field mask based on passed in firmware version
*/
#define IDTFC3_FW_REG(FW, VER, REG) (((FW) < (VER)) ? (REG) : (REG## _## VER))
#define IDTFC3_FW_FIELD(FW, VER, FIELD) (((FW) < (VER)) ? (FIELD) : (FIELD## _## VER))
enum fw_version {
V_DEFAULT = 0 ,
VFC3W = 1 ,
VFC3A = 2
};
/* XTAL_FREQ_ADDR/TIME_CLK_FREQ_ADDR */
enum {
FREQ_MIN = 0 ,
FREQ_25M = 1 ,
FREQ_49_152M = 2 ,
FREQ_50M = 3 ,
FREQ_100M = 4 ,
FREQ_125M = 5 ,
FREQ_250M = 6 ,
FREQ_MAX
};
struct idtfc3_hw_param {
u32 xtal_freq;
u32 time_clk_freq;
};
struct idtfc3_fwrc {
u8 hiaddr;
u8 loaddr;
u8 value;
u8 reserved;
} __packed;
static inline void idtfc3_default_hw_param(struct idtfc3_hw_param *hw_param)
{
hw_param->xtal_freq = 49152000 ;
hw_param->time_clk_freq = 25000000 ;
}
static inline int idtfc3_set_hw_param(struct idtfc3_hw_param *hw_param,
u16 addr, u8 val)
{
if (addr == XTAL_FREQ_ADDR)
switch (val) {
case FREQ_49_152M:
hw_param->xtal_freq = 49152000 ;
break ;
case FREQ_50M:
hw_param->xtal_freq = 50000000 ;
break ;
default :
return -EINVAL;
}
else if (addr == TIME_CLK_FREQ_ADDR)
switch (val) {
case FREQ_25M:
hw_param->time_clk_freq = 25000000 ;
break ;
case FREQ_50M:
hw_param->time_clk_freq = 50000000 ;
break ;
case FREQ_100M:
hw_param->time_clk_freq = 100000000 ;
break ;
case FREQ_125M:
hw_param->time_clk_freq = 125000000 ;
break ;
case FREQ_250M:
hw_param->time_clk_freq = 250000000 ;
break ;
default :
return -EINVAL;
}
else
return -EFAULT;
return 0 ;
}
#endif
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