/* * (C) Copyright 2007 * Matthias Fuchs, esd gmbh, matthias.fuchs@esd-electronics.com. * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ /* * Epson RX8025 RTC driver. */ #include #include #include #include #if defined(CONFIG_CMD_DATE) /*---------------------------------------------------------------------*/ #undef DEBUG_RTC #ifdef DEBUG_RTC #define DEBUGR(fmt,args...) printf(fmt ,##args) #else #define DEBUGR(fmt,args...) #endif /*---------------------------------------------------------------------*/ #ifndef CONFIG_SYS_I2C_RTC_ADDR # define CONFIG_SYS_I2C_RTC_ADDR 0x32 #endif /* * RTC register addresses */ #define RTC_SEC_REG_ADDR 0x00 #define RTC_MIN_REG_ADDR 0x01 #define RTC_HR_REG_ADDR 0x02 #define RTC_DAY_REG_ADDR 0x03 #define RTC_DATE_REG_ADDR 0x04 #define RTC_MON_REG_ADDR 0x05 #define RTC_YR_REG_ADDR 0x06 #define RTC_CTL1_REG_ADDR 0x0e #define RTC_CTL2_REG_ADDR 0x0f /* * Control register 1 bits */ #define RTC_CTL1_BIT_2412 0x20 /* * Control register 2 bits */ #define RTC_CTL2_BIT_PON 0x10 #define RTC_CTL2_BIT_VDET 0x40 #define RTC_CTL2_BIT_XST 0x20 #define RTC_CTL2_BIT_VDSL 0x80 /* * Note: the RX8025 I2C RTC requires register * reads and write to consist of a single bus * cycle. It is not allowed to write the register * address in a first cycle that is terminated by * a STOP condition. The chips needs a 'restart' * sequence (start sequence without a prior stop). * This driver has been written for a 4xx board. * U-Boot's 4xx i2c driver is currently not capable * to generate such cycles to some work arounds * are used. */ /* static uchar rtc_read (uchar reg); */ #define rtc_read(reg) buf[((reg) + 1) & 0xf] static void rtc_write (uchar reg, uchar val); /* * Get the current time from the RTC */ int rtc_get (struct rtc_time *tmp) { int rel = 0; uchar sec, min, hour, mday, wday, mon, year, ctl2; uchar buf[16]; if (i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 16)) printf("Error reading from RTC\n"); sec = rtc_read(RTC_SEC_REG_ADDR); min = rtc_read(RTC_MIN_REG_ADDR); hour = rtc_read(RTC_HR_REG_ADDR); wday = rtc_read(RTC_DAY_REG_ADDR); mday = rtc_read(RTC_DATE_REG_ADDR); mon = rtc_read(RTC_MON_REG_ADDR); year = rtc_read(RTC_YR_REG_ADDR); DEBUGR ("Get RTC year: %02x mon: %02x mday: %02x wday: %02x " "hr: %02x min: %02x sec: %02x\n", year, mon, mday, wday, hour, min, sec); /* dump status */ ctl2 = rtc_read(RTC_CTL2_REG_ADDR); if (ctl2 & RTC_CTL2_BIT_PON) { printf("RTC: power-on detected\n"); rel = -1; } if (ctl2 & RTC_CTL2_BIT_VDET) { printf("RTC: voltage drop detected\n"); rel = -1; } if (!(ctl2 & RTC_CTL2_BIT_XST)) { printf("RTC: oscillator stop detected\n"); rel = -1; } tmp->tm_sec = bcd2bin (sec & 0x7F); tmp->tm_min = bcd2bin (min & 0x7F); if (rtc_read(RTC_CTL1_REG_ADDR) & RTC_CTL1_BIT_2412) tmp->tm_hour = bcd2bin (hour & 0x3F); else tmp->tm_hour = bcd2bin (hour & 0x1F) % 12 + ((hour & 0x20) ? 12 : 0); tmp->tm_mday = bcd2bin (mday & 0x3F); tmp->tm_mon = bcd2bin (mon & 0x1F); tmp->tm_year = bcd2bin (year) + ( bcd2bin (year) >= 70 ? 1900 : 2000); tmp->tm_wday = bcd2bin (wday & 0x07); tmp->tm_yday = 0; tmp->tm_isdst= 0; DEBUGR ("Get DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, tmp->tm_hour, tmp->tm_min, tmp->tm_sec); return rel; } /* * Set the RTC */ int rtc_set (struct rtc_time *tmp) { DEBUGR ("Set DATE: %4d-%02d-%02d (wday=%d) TIME: %2d:%02d:%02d\n", tmp->tm_year, tmp->tm_mon, tmp->tm_mday, tmp->tm_wday, tmp->tm_hour, tmp->tm_min, tmp->tm_sec); if (tmp->tm_year < 1970 || tmp->tm_year > 2069) printf("WARNING: year should be between 1970 and 2069!\n"); rtc_write (RTC_YR_REG_ADDR, bin2bcd (tmp->tm_year % 100)); rtc_write (RTC_MON_REG_ADDR, bin2bcd (tmp->tm_mon)); rtc_write (RTC_DAY_REG_ADDR, bin2bcd (tmp->tm_wday)); rtc_write (RTC_DATE_REG_ADDR, bin2bcd (tmp->tm_mday)); rtc_write (RTC_HR_REG_ADDR, bin2bcd (tmp->tm_hour)); rtc_write (RTC_MIN_REG_ADDR, bin2bcd (tmp->tm_min)); rtc_write (RTC_SEC_REG_ADDR, bin2bcd (tmp->tm_sec)); rtc_write (RTC_CTL1_REG_ADDR, RTC_CTL1_BIT_2412); return 0; } /* * Reset the RTC. We setting the date back to 1970-01-01. */ void rtc_reset (void) { struct rtc_time tmp; uchar buf[16]; uchar ctl2; if (i2c_read(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 16)) printf("Error reading from RTC\n"); ctl2 = rtc_read(RTC_CTL2_REG_ADDR); ctl2 &= ~(RTC_CTL2_BIT_PON | RTC_CTL2_BIT_VDET); ctl2 |= RTC_CTL2_BIT_XST | RTC_CTL2_BIT_VDSL; rtc_write (RTC_CTL2_REG_ADDR, ctl2); tmp.tm_year = 1970; tmp.tm_mon = 1; tmp.tm_mday= 1; tmp.tm_hour = 0; tmp.tm_min = 0; tmp.tm_sec = 0; rtc_set(&tmp); printf ( "RTC: %4d-%02d-%02d %2d:%02d:%02d UTC\n", tmp.tm_year, tmp.tm_mon, tmp.tm_mday, tmp.tm_hour, tmp.tm_min, tmp.tm_sec); return; } /* * Helper functions */ static void rtc_write (uchar reg, uchar val) { uchar buf[2]; buf[0] = reg << 4; buf[1] = val; if (i2c_write(CONFIG_SYS_I2C_RTC_ADDR, 0, 0, buf, 2) != 0) printf("Error writing to RTC\n"); } #endif /* CONFIG_RTC_RX8025 && CONFIG_CMD_DATE */ a id='n73' href='#n73'>73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 
/*
 * libvirt_wrap.h: type wrappers for libvir python bindings
 *
 * Copyright (C) 2005 Red Hat, Inc.
 *
 * Daniel Veillard <veillard@redhat.com>
 */

#include <Python.h>
#include "libvirt/libvirt.h"
#include "libvirt/virterror.h"

#ifdef __GNUC__
#ifdef ATTRIBUTE_UNUSED
#undef ATTRIBUTE_UNUSED
#endif
#ifndef ATTRIBUTE_UNUSED
#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
#endif /* ATTRIBUTE_UNUSED */
#else
#define ATTRIBUTE_UNUSED
#endif

#define PyvirConnect_Get(v) (((v) == Py_None) ? NULL : \
	(((PyvirConnect_Object *)(v))->obj))

typedef struct {
    PyObject_HEAD
    virConnectPtr obj;
} PyvirConnect_Object;


#define PyvirDomain_Get(v) (((v) == Py_None) ? NULL : \
	(((PyvirDomain_Object *)(v))->obj))

typedef struct {
    PyObject_HEAD
    virDomainPtr obj;
} PyvirDomain_Object;


#define PyvirNetwork_Get(v) (((v) == Py_None) ? NULL : \
	(((PyvirNetwork_Object *)(v))->obj))

typedef struct {
    PyObject_HEAD
    virNetworkPtr obj;
} PyvirNetwork_Object;


PyObject * libvirt_intWrap(int val);
PyObject * libvirt_longWrap(long val);
PyObject * libvirt_ulongWrap(unsigned long val);
PyObject * libvirt_longlongWrap(long long val);
PyObject * libvirt_charPtrWrap(char *str);
PyObject * libvirt_constcharPtrWrap(const char *str);
PyObject * libvirt_charPtrConstWrap(const char *str);
PyObject * libvirt_virConnectPtrWrap(virConnectPtr node);
PyObject * libvirt_virDomainPtrWrap(virDomainPtr node);
PyObject * libvirt_virNetworkPtrWrap(virNetworkPtr node);


/* Provide simple macro statement wrappers (adapted from GLib, in turn from Perl):
 *  LIBVIRT_STMT_START { statements; } LIBVIRT_STMT_END;
 *  can be used as a single statement, as in
 *  if (x) LIBVIRT_STMT_START { ... } LIBVIRT_STMT_END; else ...
 *
 *  When GCC is compiling C code in non-ANSI mode, it will use the
 *  compiler __extension__ to wrap the statements wihin `({' and '})' braces.
 *  When compiling on platforms where configure has defined
 *  HAVE_DOWHILE_MACROS, statements will be wrapped with `do' and `while (0)'.
 *  For any other platforms (SunOS4 is known to have this issue), wrap the
 *  statements with `if (1)' and `else (void) 0'.
 */
#if !(defined (LIBVIRT_STMT_START) && defined (LIBVIRT_STMT_END))
# if defined (__GNUC__) && !defined (__STRICT_ANSI__) && !defined (__cplusplus)
#  define LIBVIRT_STMT_START (void) __extension__ (
#  define LIBVIRT_STMT_END )
# else /* !(__GNUC__ && !__STRICT_ANSI__ && !__cplusplus) */
#  if defined (HAVE_DOWHILE_MACROS)
#   define LIBVIRT_STMT_START do
#   define LIBVIRT_STMT_END while (0)
#  else /* !HAVE_DOWHILE_MACROS */
#   define LIBVIRT_STMT_START if (1)
#   define LIBVIRT_STMT_END else (void) 0
#  endif /* !HAVE_DOWHILE_MACROS */
# endif /* !(__GNUC__ && !__STRICT_ANSI__ && !__cplusplus) */
#endif

#define LIBVIRT_BEGIN_ALLOW_THREADS			\
  LIBVIRT_STMT_START {					\
    PyThreadState *_save = NULL;			\
    if (PyEval_ThreadsInitialized())			\
      _save = PyEval_SaveThread();

#define LIBVIRT_END_ALLOW_THREADS                           \
  if (PyEval_ThreadsInitialized())			    \
    PyEval_RestoreThread(_save);			    \
    } LIBVIRT_STMT_END

#define LIBVIRT_ENSURE_THREAD_STATE			\
  LIBVIRT_STMT_START {					\
    PyGILState_STATE _save = PyGILState_UNLOCKED;	\
    if (PyEval_ThreadsInitialized())			\
      _save = PyGILState_Ensure();

#define LIBVIRT_RELEASE_THREAD_STATE                           \
  if (PyEval_ThreadsInitialized())			       \
    PyGILState_Release(_save);				       \
  } LIBVIRT_STMT_END
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