nxprtc.c File Reference

#include <sys/cdefs.h>
#include "opt_platform.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/clock.h>
#include <sys/kernel.h>
#include <sys/libkern.h>
#include <sys/module.h>
#include <sys/sysctl.h>
#include <dev/iicbus/iicbus.h>
#include <dev/iicbus/iiconf.h>
#include "clock_if.h"
#include "iicbus_if.h"

Include dependency graph for nxprtc.c:

Go to the source code of this file.

Data Structures
struct	time_regs
struct	nxprtc_softc
struct	nxprtc_compat_data

Macros
#define	PCF8563_ADDR   0xa2
#define	PCF8523_ADDR   0xd0
#define	PCF85xx_R_CS1   0x00 /* CS1 and CS2 control regs are in */
#define	PCF85xx_R_CS2   0x01 /* the same location on all chips. */
#define	PCF85xx_B_CS1_STOP   0x20 /* Stop time incrementing bit */
#define	PCF85xx_B_SECOND_OS   0x80 /* Oscillator Stopped bit */
#define	PCF85xx_M_SECOND   0x7f /* Masks for all BCD time regs... */
#define	PCF85xx_M_MINUTE   0x7f
#define	PCF85xx_M_12HOUR   0x1f
#define	PCF85xx_M_24HOUR   0x3f
#define	PCF85xx_M_DAY   0x3f
#define	PCF85xx_M_MONTH   0x1f
#define	PCF85xx_M_YEAR   0xff
#define	PCF2127_R_TMR_CTL   0x10 /* Timer/watchdog control */
#define	PCF2127_M_TMR_CTRL   0xe3 /* Mask off undef bits */
#define	PCF2127_B_TMR_CD   0x40 /* Run in countdown mode */
#define	PCF2127_B_TMR_64HZ   0x01 /* Timer frequency 64Hz */
#define	PCF2127_R_TS_CTL   0x12 /* Timestamp control */
#define	PCF2127_B_TSOFF   0x40 /* Turn off timestamp function */
#define	PCF2127_R_AGING_OFFSET   0x19 /* Frequency aging offset in PPM */
#define	PCF2129_B_CS1_12HR   0x04 /* Use 12-hour (AM/PM) mode bit */
#define	PCF2129_B_CLKOUT_OTPR   0x20 /* OTP refresh command */
#define	PCF2129_B_CLKOUT_HIGHZ   0x07 /* Clock Out Freq = disable */
#define	PCF8523_R_CS3   0x02 /* Control and status reg 3 */
#define	PCF8523_R_SECOND   0x03 /* Seconds */
#define	PCF8523_R_TMR_CLKOUT   0x0F /* Timer and clockout control */
#define	PCF8523_R_TMR_A_FREQ   0x10 /* Timer A frequency control */
#define	PCF8523_R_TMR_A_COUNT   0x11 /* Timer A count */
#define	PCF8523_M_TMR_A_FREQ   0x07 /* Mask off undef bits */
#define	PCF8523_B_HOUR_PM   0x20 /* PM bit */
#define	PCF8523_B_CS1_SOFTRESET   0x58 /* Initiate Soft Reset bits */
#define	PCF8523_B_CS1_12HR   0x08 /* Use 12-hour (AM/PM) mode bit */
#define	PCF8523_B_CLKOUT_TACD   0x02 /* TimerA runs in CountDown mode */
#define	PCF8523_B_CLKOUT_HIGHZ   0x38 /* Clock Out Freq = disable */
#define	PCF8523_B_TMR_A_64HZ   0x01 /* Timer A freq 64Hz */
#define	PCF8523_M_CS3_PM   0xE0 /* Power mode mask */
#define	PCF8523_B_CS3_PM_NOBAT   0xE0 /* PM bits: no battery usage */
#define	PCF8523_B_CS3_PM_STD   0x00 /* PM bits: standard */
#define	PCF8523_B_CS3_PM_DSNBM   0xa0 /* PM bits: direct switch, no bat mon */
#define	PCF8523_B_CS3_BLF   0x04 /* Battery Low Flag bit */
#define	PCF8563_R_SECOND   0x02 /* Seconds */
#define	PCF8563_R_CLKOUT   0x0d /* Clock output control */
#define	PCF8563_R_TMR_CTRL   0x0e /* Timer control */
#define	PCF8563_R_TMR_COUNT   0x0f /* Timer count */
#define	PCF8563_M_TMR_CTRL   0x93 /* Mask off undef bits */
#define	PCF8563_B_TMR_ENABLE   0x80 /* Enable countdown timer */
#define	PCF8563_B_TMR_64HZ   0x01 /* Timer frequency 64Hz */
#define	PCF8563_B_MONTH_C   0x80 /* Century bit */
#define	TMR_TICKS_SEC   64
#define	TMR_TICKS_HALFSEC   32
#define	SC_F_CPOL   (1 << 0) /* Century bit means 19xx */
#define	WAITFLAGS   (IIC_WAIT | IIC_RECURSIVE)

Enumerations
enum	{   TYPE_NONE , TYPE_PCA2129 , TYPE_PCA8565 , TYPE_PCF2127 ,   TYPE_PCF2129 , TYPE_PCF8523 , TYPE_PCF8563 , TYPE_COUNT }

Functions
	__FBSDID ("$FreeBSD$")
	CTASSERT (nitems(desc_strings)==TYPE_COUNT)
static int	nxprtc_readfrom (device_t slavedev, uint8_t regaddr, void *buffer, uint16_t buflen, int waithow)
static int	read_reg (struct nxprtc_softc *sc, uint8_t reg, uint8_t *val)
static int	write_reg (struct nxprtc_softc *sc, uint8_t reg, uint8_t val)
static int	read_timeregs (struct nxprtc_softc *sc, struct time_regs *tregs, uint8_t *tmr)
static int	write_timeregs (struct nxprtc_softc *sc, struct time_regs *tregs)
static int	freqadj_sysctl (SYSCTL_HANDLER_ARGS)
static int	pcf8523_battery_check (struct nxprtc_softc *sc)
static int	pcf8523_start (struct nxprtc_softc *sc)
static int	pcf8523_start_timer (struct nxprtc_softc *sc)
static int	pcf2127_start_timer (struct nxprtc_softc *sc)
static int	pcf8563_start (struct nxprtc_softc *sc)
static int	pcf8563_start_timer (struct nxprtc_softc *sc)
static void	nxprtc_start (void *dev)
static int	nxprtc_gettime (device_t dev, struct timespec *ts)
static int	nxprtc_settime (device_t dev, struct timespec *ts)
static int	nxprtc_get_chiptype (device_t dev)
static int	nxprtc_probe (device_t dev)
static int	nxprtc_attach (device_t dev)
static int	nxprtc_detach (device_t dev)
	DRIVER_MODULE (nxprtc, iicbus, nxprtc_driver, nxprtc_devclass, NULL, NULL)
	MODULE_VERSION (nxprtc, 1)
	MODULE_DEPEND (nxprtc, iicbus, IICBUS_MINVER, IICBUS_PREFVER, IICBUS_MAXVER)
	IICBUS_FDT_PNP_INFO (compat_data)

Variables
static const char *	desc_strings []
static nxprtc_compat_data	compat_data []
static device_method_t	nxprtc_methods []
static driver_t	nxprtc_driver
static devclass_t	nxprtc_devclass

Macro Definition Documentation

PCF2127_B_TMR_64HZ

#define PCF2127_B_TMR_64HZ   0x01 /* Timer frequency 64Hz */

Definition at line 109 of file nxprtc.c.

PCF2127_B_TMR_CD

#define PCF2127_B_TMR_CD   0x40 /* Run in countdown mode */

Definition at line 108 of file nxprtc.c.

PCF2127_B_TSOFF

#define PCF2127_B_TSOFF   0x40 /* Turn off timestamp function */

Definition at line 112 of file nxprtc.c.

PCF2127_M_TMR_CTRL

#define PCF2127_M_TMR_CTRL   0xe3 /* Mask off undef bits */

Definition at line 106 of file nxprtc.c.

PCF2127_R_AGING_OFFSET

#define PCF2127_R_AGING_OFFSET   0x19 /* Frequency aging offset in PPM */

Definition at line 114 of file nxprtc.c.

PCF2127_R_TMR_CTL

#define PCF2127_R_TMR_CTL   0x10 /* Timer/watchdog control */

Definition at line 104 of file nxprtc.c.

PCF2127_R_TS_CTL

#define PCF2127_R_TS_CTL   0x12 /* Timestamp control */

Definition at line 111 of file nxprtc.c.

PCF2129_B_CLKOUT_HIGHZ

#define PCF2129_B_CLKOUT_HIGHZ   0x07 /* Clock Out Freq = disable */

Definition at line 121 of file nxprtc.c.

PCF2129_B_CLKOUT_OTPR

#define PCF2129_B_CLKOUT_OTPR   0x20 /* OTP refresh command */

Definition at line 120 of file nxprtc.c.

PCF2129_B_CS1_12HR

#define PCF2129_B_CS1_12HR   0x04 /* Use 12-hour (AM/PM) mode bit */

Definition at line 119 of file nxprtc.c.

PCF8523_ADDR

#define PCF8523_ADDR   0xd0

Definition at line 82 of file nxprtc.c.

PCF8523_B_CLKOUT_HIGHZ

#define PCF8523_B_CLKOUT_HIGHZ   0x38 /* Clock Out Freq = disable */

Definition at line 138 of file nxprtc.c.

PCF8523_B_CLKOUT_TACD

#define PCF8523_B_CLKOUT_TACD   0x02 /* TimerA runs in CountDown mode */

Definition at line 137 of file nxprtc.c.

PCF8523_B_CS1_12HR

#define PCF8523_B_CS1_12HR   0x08 /* Use 12-hour (AM/PM) mode bit */

Definition at line 136 of file nxprtc.c.

PCF8523_B_CS1_SOFTRESET

#define PCF8523_B_CS1_SOFTRESET   0x58 /* Initiate Soft Reset bits */

Definition at line 135 of file nxprtc.c.

PCF8523_B_CS3_BLF

#define PCF8523_B_CS3_BLF   0x04 /* Battery Low Flag bit */

Definition at line 145 of file nxprtc.c.

PCF8523_B_CS3_PM_DSNBM

#define PCF8523_B_CS3_PM_DSNBM   0xa0 /* PM bits: direct switch, no bat mon */

Definition at line 144 of file nxprtc.c.

PCF8523_B_CS3_PM_NOBAT

#define PCF8523_B_CS3_PM_NOBAT   0xE0 /* PM bits: no battery usage */

Definition at line 142 of file nxprtc.c.

PCF8523_B_CS3_PM_STD

#define PCF8523_B_CS3_PM_STD   0x00 /* PM bits: standard */

Definition at line 143 of file nxprtc.c.

PCF8523_B_HOUR_PM

#define PCF8523_B_HOUR_PM   0x20 /* PM bit */

Definition at line 134 of file nxprtc.c.

PCF8523_B_TMR_A_64HZ

#define PCF8523_B_TMR_A_64HZ   0x01 /* Timer A freq 64Hz */

Definition at line 139 of file nxprtc.c.

PCF8523_M_CS3_PM

#define PCF8523_M_CS3_PM   0xE0 /* Power mode mask */

Definition at line 141 of file nxprtc.c.

PCF8523_M_TMR_A_FREQ

#define PCF8523_M_TMR_A_FREQ   0x07 /* Mask off undef bits */

Definition at line 132 of file nxprtc.c.

PCF8523_R_CS3

#define PCF8523_R_CS3   0x02 /* Control and status reg 3 */

Definition at line 126 of file nxprtc.c.

PCF8523_R_SECOND

#define PCF8523_R_SECOND   0x03 /* Seconds */

Definition at line 127 of file nxprtc.c.

PCF8523_R_TMR_A_COUNT

#define PCF8523_R_TMR_A_COUNT   0x11 /* Timer A count */

Definition at line 130 of file nxprtc.c.

PCF8523_R_TMR_A_FREQ

#define PCF8523_R_TMR_A_FREQ   0x10 /* Timer A frequency control */

Definition at line 129 of file nxprtc.c.

PCF8523_R_TMR_CLKOUT

#define PCF8523_R_TMR_CLKOUT   0x0F /* Timer and clockout control */

Definition at line 128 of file nxprtc.c.

PCF8563_ADDR

#define PCF8563_ADDR   0xa2

Definition at line 81 of file nxprtc.c.

PCF8563_B_MONTH_C

#define PCF8563_B_MONTH_C   0x80 /* Century bit */

Definition at line 162 of file nxprtc.c.

PCF8563_B_TMR_64HZ

#define PCF8563_B_TMR_64HZ   0x01 /* Timer frequency 64Hz */

Definition at line 160 of file nxprtc.c.

PCF8563_B_TMR_ENABLE

#define PCF8563_B_TMR_ENABLE   0x80 /* Enable countdown timer */

Definition at line 159 of file nxprtc.c.

PCF8563_M_TMR_CTRL

#define PCF8563_M_TMR_CTRL   0x93 /* Mask off undef bits */

Definition at line 157 of file nxprtc.c.

PCF8563_R_CLKOUT

#define PCF8563_R_CLKOUT   0x0d /* Clock output control */

Definition at line 152 of file nxprtc.c.

PCF8563_R_SECOND

#define PCF8563_R_SECOND   0x02 /* Seconds */

Definition at line 150 of file nxprtc.c.

PCF8563_R_TMR_COUNT

#define PCF8563_R_TMR_COUNT   0x0f /* Timer count */

Definition at line 155 of file nxprtc.c.

PCF8563_R_TMR_CTRL

#define PCF8563_R_TMR_CTRL   0x0e /* Timer control */

Definition at line 154 of file nxprtc.c.

PCF85xx_B_CS1_STOP

#define PCF85xx_B_CS1_STOP   0x20 /* Stop time incrementing bit */

Definition at line 90 of file nxprtc.c.

PCF85xx_B_SECOND_OS

#define PCF85xx_B_SECOND_OS   0x80 /* Oscillator Stopped bit */

Definition at line 91 of file nxprtc.c.

PCF85xx_M_12HOUR

#define PCF85xx_M_12HOUR   0x1f

Definition at line 95 of file nxprtc.c.

PCF85xx_M_24HOUR

#define PCF85xx_M_24HOUR   0x3f

Definition at line 96 of file nxprtc.c.

PCF85xx_M_DAY

#define PCF85xx_M_DAY   0x3f

Definition at line 97 of file nxprtc.c.

PCF85xx_M_MINUTE

#define PCF85xx_M_MINUTE   0x7f

Definition at line 94 of file nxprtc.c.

PCF85xx_M_MONTH

#define PCF85xx_M_MONTH   0x1f

Definition at line 98 of file nxprtc.c.

PCF85xx_M_SECOND

#define PCF85xx_M_SECOND   0x7f /* Masks for all BCD time regs... */

Definition at line 93 of file nxprtc.c.

PCF85xx_M_YEAR

#define PCF85xx_M_YEAR   0xff

Definition at line 99 of file nxprtc.c.

PCF85xx_R_CS1

#define PCF85xx_R_CS1   0x00 /* CS1 and CS2 control regs are in */

Definition at line 87 of file nxprtc.c.

PCF85xx_R_CS2

#define PCF85xx_R_CS2   0x01 /* the same location on all chips. */

Definition at line 88 of file nxprtc.c.

SC_F_CPOL

#define SC_F_CPOL   (1 << 0) /* Century bit means 19xx */

Definition at line 219 of file nxprtc.c.

TMR_TICKS_HALFSEC

#define TMR_TICKS_HALFSEC   32

Definition at line 169 of file nxprtc.c.

TMR_TICKS_SEC

#define TMR_TICKS_SEC   64

Definition at line 168 of file nxprtc.c.

WAITFLAGS

#define WAITFLAGS   (IIC_WAIT | IIC_RECURSIVE)

Definition at line 228 of file nxprtc.c.

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
TYPE_NONE
TYPE_PCA2129
TYPE_PCA8565
TYPE_PCF2127
TYPE_PCF2129
TYPE_PCF8523
TYPE_PCF8563
TYPE_COUNT

Definition at line 174 of file nxprtc.c.

Function Documentation

__FBSDID()

__FBSDID

(

"$FreeBSD$"

)

CTASSERT()

CTASSERT

(

nitems(desc_strings)

= =TYPE_COUNT

)

DRIVER_MODULE()

DRIVER_MODULE	(	nxprtc	,
		iicbus	,
		nxprtc_driver	,
		nxprtc_devclass	,
		NULL	,
		NULL
	)

freqadj_sysctl()

static int freqadj_sysctl ( SYSCTL_HANDLER_ARGS  )

static

Definition at line 364 of file nxprtc.c.

References nxprtc_softc::freqadj, PCF2127_R_AGING_OFFSET, and write_reg().

Referenced by pcf8523_start().

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IICBUS_FDT_PNP_INFO()

IICBUS_FDT_PNP_INFO

(

compat_data

)

MODULE_DEPEND()

MODULE_DEPEND	(	nxprtc	,
		iicbus	,
		IICBUS_MINVER	,
		IICBUS_PREFVER	,
		IICBUS_MAXVER
	)

MODULE_VERSION()

MODULE_VERSION	(	nxprtc	,
		1
	)

nxprtc_attach()

static int nxprtc_attach ( device_t  dev )

static

Definition at line 946 of file nxprtc.c.

References nxprtc_softc::busdev, nxprtc_softc::chiptype, nxprtc_softc::config_hook, nxprtc_softc::dev, dev, nxprtc_get_chiptype(), nxprtc_start(), PCF8523_R_SECOND, PCF8523_R_TMR_A_COUNT, PCF8563_R_SECOND, PCF8563_R_TMR_COUNT, nxprtc_softc::secaddr, nxprtc_softc::tmcaddr, TYPE_PCA2129, TYPE_PCA8565, TYPE_PCF2127, TYPE_PCF2129, TYPE_PCF8523, TYPE_PCF8563, and nxprtc_softc::use_timer.

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nxprtc_detach()

static int nxprtc_detach ( device_t  dev )

static

Definition at line 991 of file nxprtc.c.

References dev.

nxprtc_get_chiptype()

static int nxprtc_get_chiptype ( device_t  dev )

static

Definition at line 890 of file nxprtc.c.

References nxprtc_softc::chiptype, compat_data, dev, nxprtc_compat_data::ocd_data, nxprtc_compat_data::ocd_str, TYPE_NONE, and TYPE_PCF8563.

Referenced by nxprtc_attach(), and nxprtc_probe().

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nxprtc_gettime()

static int nxprtc_gettime ( device_t  dev, struct timespec *  ts  )

static

Definition at line 742 of file nxprtc.c.

References nxprtc_softc::busdev, nxprtc_softc::chiptype, time_regs::day, nxprtc_softc::dev, dev, nxprtc_softc::flags, time_regs::hour, IIC_WAIT, iicbus_release_bus(), iicbus_request_bus(), time_regs::min, time_regs::month, PCF8523_B_HOUR_PM, PCF8563_B_MONTH_C, PCF85xx_B_CS1_STOP, PCF85xx_B_SECOND_OS, PCF85xx_M_12HOUR, PCF85xx_M_24HOUR, PCF85xx_M_DAY, PCF85xx_M_MINUTE, PCF85xx_M_MONTH, PCF85xx_M_SECOND, PCF85xx_M_YEAR, PCF85xx_R_CS1, read_reg(), read_timeregs(), SC_F_CPOL, time_regs::sec, TMR_TICKS_SEC, TYPE_PCF8563, nxprtc_softc::use_ampm, and time_regs::year.

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nxprtc_probe()

static int nxprtc_probe ( device_t  dev )

static

Definition at line 927 of file nxprtc.c.

References nxprtc_softc::chiptype, desc_strings, dev, nxprtc_get_chiptype(), and TYPE_NONE.

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nxprtc_readfrom()

static int nxprtc_readfrom ( device_t  slavedev, uint8_t  regaddr, void *  buffer, uint16_t  buflen, int  waithow  )

static

Definition at line 260 of file nxprtc.c.

References iic_msg::buf, iic_msg::flags, IIC_M_RD, IIC_M_WR, iicbus_transfer_excl(), iic_msg::len, and iic_msg::slave.

Referenced by pcf8523_start(), pcf8563_start(), read_reg(), and read_timeregs().

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nxprtc_settime()

static int nxprtc_settime ( device_t  dev, struct timespec *  ts  )

static

Definition at line 808 of file nxprtc.c.

References nxprtc_softc::busdev, nxprtc_softc::chiptype, time_regs::day, nxprtc_softc::dev, dev, nxprtc_softc::flags, time_regs::hour, IIC_WAIT, iicbus_release_bus(), iicbus_request_bus(), time_regs::min, time_regs::month, PCF8523_B_HOUR_PM, pcf8523_battery_check(), PCF8563_B_MONTH_C, PCF85xx_B_CS1_STOP, PCF85xx_R_CS1, read_reg(), SC_F_CPOL, time_regs::sec, nxprtc_softc::tmcaddr, TMR_TICKS_SEC, TYPE_PCF8563, nxprtc_softc::use_ampm, time_regs::wday, write_reg(), write_timeregs(), and time_regs::year.

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nxprtc_start()

static void nxprtc_start ( void *  dev )

static

Definition at line 682 of file nxprtc.c.

References nxprtc_softc::chiptype, nxprtc_softc::config_hook, nxprtc_softc::dev, dev, nxprtc_softc::is212x, pcf2127_start_timer(), pcf8523_start(), pcf8523_start_timer(), pcf8563_start(), pcf8563_start_timer(), TMR_TICKS_SEC, TYPE_PCA2129, TYPE_PCA8565, TYPE_PCF2127, TYPE_PCF2129, TYPE_PCF8523, TYPE_PCF8563, and nxprtc_softc::use_timer.

Referenced by nxprtc_attach().

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pcf2127_start_timer()

static int pcf2127_start_timer ( struct nxprtc_softc *  sc )

static

Definition at line 588 of file nxprtc.c.

References PCF2127_B_TMR_CD, PCF2127_M_TMR_CTRL, PCF2127_R_TMR_CTL, PCF8523_B_TMR_A_64HZ, read_reg(), nxprtc_softc::tmcaddr, and write_reg().

Referenced by nxprtc_start().

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pcf8523_battery_check()

static int pcf8523_battery_check ( struct nxprtc_softc *  sc )

static

Definition at line 388 of file nxprtc.c.

References nxprtc_softc::bat_time, nxprtc_softc::dev, PCF8523_B_CS3_BLF, PCF8523_B_CS3_PM_DSNBM, PCF8523_B_CS3_PM_STD, PCF8523_R_CS3, read_reg(), and write_reg().

Referenced by nxprtc_settime(), and pcf8523_start().

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pcf8523_start()

static int pcf8523_start ( struct nxprtc_softc *  sc )

static

Definition at line 439 of file nxprtc.c.

References nxprtc_softc::dev, nxprtc_softc::freqadj, freqadj_sysctl(), nxprtc_softc::is212x, nxprtc_readfrom(), PCF2127_B_TSOFF, PCF2127_R_AGING_OFFSET, PCF2127_R_TS_CTL, PCF2129_B_CLKOUT_HIGHZ, PCF2129_B_CLKOUT_OTPR, PCF2129_B_CS1_12HR, PCF8523_B_CLKOUT_HIGHZ, PCF8523_B_CS1_12HR, PCF8523_B_CS3_PM_NOBAT, pcf8523_battery_check(), PCF8523_M_CS3_PM, PCF8523_R_TMR_CLKOUT, PCF85xx_B_CS1_STOP, PCF85xx_B_SECOND_OS, PCF85xx_R_CS1, read_reg(), nxprtc_softc::use_ampm, WAITFLAGS, and write_reg().

Referenced by nxprtc_start().

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pcf8523_start_timer()

static int pcf8523_start_timer ( struct nxprtc_softc *  sc )

static

Definition at line 556 of file nxprtc.c.

References PCF8523_B_CLKOUT_HIGHZ, PCF8523_B_CLKOUT_TACD, PCF8523_B_TMR_A_64HZ, PCF8523_M_TMR_A_FREQ, PCF8523_R_TMR_A_FREQ, PCF8523_R_TMR_CLKOUT, read_reg(), nxprtc_softc::tmcaddr, and write_reg().

Referenced by nxprtc_start().

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pcf8563_start()

static int pcf8563_start ( struct nxprtc_softc *  sc )

static

Definition at line 615 of file nxprtc.c.

References nxprtc_softc::dev, nxprtc_readfrom(), PCF8563_R_CLKOUT, PCF85xx_B_CS1_STOP, PCF85xx_B_SECOND_OS, PCF85xx_R_CS1, WAITFLAGS, and write_reg().

Referenced by nxprtc_start().

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pcf8563_start_timer()

static int pcf8563_start_timer ( struct nxprtc_softc *  sc )

static

Definition at line 661 of file nxprtc.c.

References PCF8563_B_TMR_64HZ, PCF8563_B_TMR_ENABLE, PCF8563_M_TMR_CTRL, PCF8563_R_TMR_CTRL, read_reg(), nxprtc_softc::tmcaddr, and write_reg().

Referenced by nxprtc_start().

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read_reg()

static int read_reg ( struct nxprtc_softc *  sc, uint8_t  reg, uint8_t *  val  )

static

Definition at line 293 of file nxprtc.c.

References nxprtc_softc::dev, nxprtc_readfrom(), val, and WAITFLAGS.

Referenced by nxprtc_gettime(), nxprtc_settime(), pcf2127_start_timer(), pcf8523_battery_check(), pcf8523_start(), pcf8523_start_timer(), pcf8563_start_timer(), and read_timeregs().

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read_timeregs()

static int read_timeregs ( struct nxprtc_softc *  sc, struct time_regs *  tregs, uint8_t *  tmr  )

static

Definition at line 307 of file nxprtc.c.

References nxprtc_softc::dev, nxprtc_readfrom(), read_reg(), time_regs::sec, nxprtc_softc::secaddr, nxprtc_softc::tmcaddr, TMR_TICKS_HALFSEC, TMR_TICKS_SEC, nxprtc_softc::use_timer, and WAITFLAGS.

Referenced by nxprtc_gettime().

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write_reg()

static int write_reg ( struct nxprtc_softc *  sc, uint8_t  reg, uint8_t  val  )

static

Definition at line 300 of file nxprtc.c.

References nxprtc_softc::dev, iicdev_writeto(), val, and WAITFLAGS.

Referenced by freqadj_sysctl(), nxprtc_settime(), pcf2127_start_timer(), pcf8523_battery_check(), pcf8523_start(), pcf8523_start_timer(), pcf8563_start(), and pcf8563_start_timer().

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write_timeregs()

static int write_timeregs ( struct nxprtc_softc *  sc, struct time_regs *  tregs  )

static

Definition at line 356 of file nxprtc.c.

References nxprtc_softc::dev, iicdev_writeto(), nxprtc_softc::secaddr, and WAITFLAGS.

Referenced by nxprtc_settime().

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Variable Documentation

compat_data

nxprtc_compat_data compat_data[]

static

Initial value:

= {
        {"nxp,pca2129",     TYPE_PCA2129},
        {"nxp,pca8565",     TYPE_PCA8565},
        {"nxp,pcf2127",     TYPE_PCF2127},
        {"nxp,pcf2129",     TYPE_PCF2129},
        {"nxp,pcf8523",     TYPE_PCF8523},
        {"nxp,pcf8563",     TYPE_PCF8563},
 
        
        {"pcf8563",         TYPE_PCF8563},
        {"phg,pcf8563",     TYPE_PCF8563},
        {"philips,pcf8563", TYPE_PCF8563},
 
        {NULL,              TYPE_NONE},
}

Definition at line 243 of file nxprtc.c.

Referenced by nxprtc_get_chiptype().

desc_strings

const char* desc_strings[]

static

Initial value:

= {
        "",
        "NXP PCA2129 RTC",
        "NXP PCA8565 RTC",
        "NXP PCF2127 RTC",
        "NXP PCF2129 RTC",
        "NXP PCF8523 RTC",
        "NXP PCF8563 RTC",
}

Definition at line 185 of file nxprtc.c.

Referenced by nxprtc_probe().

nxprtc_devclass

devclass_t nxprtc_devclass

static

Definition at line 1015 of file nxprtc.c.

nxprtc_driver

driver_t nxprtc_driver

static

Initial value:

= {
        "nxprtc",
        nxprtc_methods,
        sizeof(struct nxprtc_softc),
}

Definition at line 1009 of file nxprtc.c.

nxprtc_methods

device_method_t nxprtc_methods[]

static

Initial value:

= {
        DEVMETHOD(device_probe,         nxprtc_probe),
        DEVMETHOD(device_attach,        nxprtc_attach),
        DEVMETHOD(device_detach,        nxprtc_detach),
 
        DEVMETHOD(clock_gettime,        nxprtc_gettime),
        DEVMETHOD(clock_settime,        nxprtc_settime),
 
        DEVMETHOD_END
}

Definition at line 998 of file nxprtc.c.