diff options
| author | Rod Whitby <rod@whitby.id.au> | 2007-06-30 13:19:16 +0000 |
|---|---|---|
| committer | Rod Whitby <rod@whitby.id.au> | 2007-06-30 13:19:16 +0000 |
| commit | 9dfa73e4fc85c0c33f921974d011ede59aba0276 (patch) | |
| tree | c81ac5404ed31f408a9b9a84eea77c5c95fc8112 /packages/linux/ixp4xx-kernel/2.6.16/40-rtc-class.patch | |
| parent | 331675b53d9fe807c30c9adb703f711b61d923b5 (diff) | |
ixp4xx-kernel: Removed obsolete kernel versions
Diffstat (limited to 'packages/linux/ixp4xx-kernel/2.6.16/40-rtc-class.patch')
| -rw-r--r-- | packages/linux/ixp4xx-kernel/2.6.16/40-rtc-class.patch | 5846 |
1 files changed, 0 insertions, 5846 deletions
diff --git a/packages/linux/ixp4xx-kernel/2.6.16/40-rtc-class.patch b/packages/linux/ixp4xx-kernel/2.6.16/40-rtc-class.patch deleted file mode 100644 index 044bd3abc1..0000000000 --- a/packages/linux/ixp4xx-kernel/2.6.16/40-rtc-class.patch +++ /dev/null @@ -1,5846 +0,0 @@ ---- - CREDITS | 5 - MAINTAINERS | 6 - arch/arm/Kconfig | 3 - arch/arm/common/rtctime.c | 108 -- - arch/arm/mach-integrator/time.c | 16 - arch/arm/mach-pxa/generic.c | 6 - arch/arm/mach-sa1100/generic.c | 6 - arch/mips/ddb5xxx/common/rtc_ds1386.c | 4 - arch/mips/dec/time.c | 4 - arch/mips/ite-boards/generic/time.c | 4 - arch/mips/jmr3927/common/rtc_ds1742.c | 4 - arch/mips/kernel/time.c | 22 - arch/mips/lasat/setup.c | 4 - arch/mips/mips-boards/atlas/atlas_setup.c | 2 - arch/mips/mips-boards/malta/malta_setup.c | 2 - arch/mips/momentum/jaguar_atx/setup.c | 4 - arch/mips/momentum/ocelot_3/setup.c | 4 - arch/mips/momentum/ocelot_c/setup.c | 4 - arch/mips/pmc-sierra/yosemite/setup.c | 4 - arch/mips/sgi-ip22/ip22-time.c | 4 - arch/mips/sgi-ip32/ip32-setup.c | 4 - arch/mips/sibyte/swarm/setup.c | 8 - arch/mips/sni/setup.c | 4 - arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c | 4 - arch/mips/tx4938/common/rtc_rx5c348.c | 4 - drivers/Kconfig | 2 - drivers/Makefile | 1 - drivers/char/Kconfig | 2 - drivers/i2c/chips/Kconfig | 18 - drivers/i2c/chips/Makefile | 2 - drivers/i2c/chips/rtc8564.c | 385 ------- - drivers/i2c/chips/rtc8564.h | 78 - - drivers/i2c/chips/x1205.c | 698 ------------- - drivers/rtc/Kconfig | 156 ++ - drivers/rtc/Makefile | 20 - drivers/rtc/class.c | 145 ++ - drivers/rtc/hctosys.c | 69 + - drivers/rtc/interface.c | 277 +++++ - drivers/rtc/rtc-dev.c | 382 +++++++ - drivers/rtc/rtc-ds1672.c | 233 ++++ - drivers/rtc/rtc-ep93xx.c | 163 +++ - drivers/rtc/rtc-lib.c | 99 + - drivers/rtc/rtc-pcf8563.c | 355 ++++++ - drivers/rtc/rtc-proc.c | 162 +++ - drivers/rtc/rtc-rs5c372.c | 295 +++++ - drivers/rtc/rtc-sa1100.c | 392 +++++++ - drivers/rtc/rtc-sysfs.c | 124 ++ - drivers/rtc/rtc-test.c | 205 +++ - drivers/rtc/rtc-x1205.c | 619 +++++++++++ - include/asm-arm/rtc.h | 3 - include/asm-mips/time.h | 12 - include/linux/rtc.h | 92 + - include/linux/x1205.h | 31 - 53 files changed, 3888 insertions(+), 1372 deletions(-) - ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-lib.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,99 @@ -+/* -+ * rtc and date/time utility functions -+ * -+ * Copyright (C) 2005-06 Tower Technologies -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * based on arch/arm/common/rtctime.c and other bits -+ * -+ * 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; version 2 of the License. -+*/ -+ -+#include <linux/module.h> -+#include <linux/rtc.h> -+ -+static const unsigned char rtc_days_in_month[] = { -+ 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 -+}; -+ -+#define LEAPS_THRU_END_OF(y) ((y)/4 - (y)/100 + (y)/400) -+#define LEAP_YEAR(year) ((!(year % 4) && (year % 100)) || !(year % 400)) -+ -+int rtc_month_days(unsigned int month, unsigned int year) -+{ -+ return rtc_days_in_month[month] + (LEAP_YEAR(year) && month == 1); -+} -+EXPORT_SYMBOL(rtc_month_days); -+ -+/* -+ * Convert seconds since 01-01-1970 00:00:00 to Gregorian date. -+ */ -+void rtc_time_to_tm(unsigned long time, struct rtc_time *tm) -+{ -+ register int days, month, year; -+ -+ days = time / 86400; -+ time -= days * 86400; -+ -+ /* day of the week, 1970-01-01 was a Thursday */ -+ tm->tm_wday = (days + 4) % 7; -+ -+ year = 1970 + days / 365; -+ days -= (year - 1970) * 365 -+ + LEAPS_THRU_END_OF(year - 1) -+ - LEAPS_THRU_END_OF(1970 - 1); -+ if (days < 0) { -+ year -= 1; -+ days += 365 + LEAP_YEAR(year); -+ } -+ tm->tm_year = year - 1900; -+ tm->tm_yday = days + 1; -+ -+ for (month = 0; month < 11; month++) { -+ int newdays; -+ -+ newdays = days - rtc_month_days(month, year); -+ if (newdays < 0) -+ break; -+ days = newdays; -+ } -+ tm->tm_mon = month; -+ tm->tm_mday = days + 1; -+ -+ tm->tm_hour = time / 3600; -+ time -= tm->tm_hour * 3600; -+ tm->tm_min = time / 60; -+ tm->tm_sec = time - tm->tm_min * 60; -+} -+EXPORT_SYMBOL(rtc_time_to_tm); -+ -+/* -+ * Does the rtc_time represent a valid date/time? -+ */ -+int rtc_valid_tm(struct rtc_time *tm) -+{ -+ if (tm->tm_year < 70 -+ || tm->tm_mon >= 12 -+ || tm->tm_mday < 1 -+ || tm->tm_mday > rtc_month_days(tm->tm_mon, tm->tm_year + 1900) -+ || tm->tm_hour >= 24 -+ || tm->tm_min >= 60 -+ || tm->tm_sec >= 60) -+ return -EINVAL; -+ -+ return 0; -+} -+EXPORT_SYMBOL(rtc_valid_tm); -+ -+/* -+ * Convert Gregorian date to seconds since 01-01-1970 00:00:00. -+ */ -+int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time) -+{ -+ *time = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, -+ tm->tm_hour, tm->tm_min, tm->tm_sec); -+ return 0; -+} -+EXPORT_SYMBOL(rtc_tm_to_time); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/Makefile 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,20 @@ -+# -+# Makefile for RTC class/drivers. -+# -+ -+obj-$(CONFIG_RTC_LIB) += rtc-lib.o -+obj-$(CONFIG_RTC_HCTOSYS) += hctosys.o -+obj-$(CONFIG_RTC_CLASS) += rtc-core.o -+rtc-core-y := class.o interface.o -+ -+obj-$(CONFIG_RTC_INTF_SYSFS) += rtc-sysfs.o -+obj-$(CONFIG_RTC_INTF_PROC) += rtc-proc.o -+obj-$(CONFIG_RTC_INTF_DEV) += rtc-dev.o -+ -+obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o -+obj-$(CONFIG_RTC_DRV_TEST) += rtc-test.o -+obj-$(CONFIG_RTC_DRV_DS1672) += rtc-ds1672.o -+obj-$(CONFIG_RTC_DRV_PCF8563) += rtc-pcf8563.o -+obj-$(CONFIG_RTC_DRV_RS5C372) += rtc-rs5c372.o -+obj-$(CONFIG_RTC_DRV_EP93XX) += rtc-ep93xx.o -+obj-$(CONFIG_RTC_DRV_SA1100) += rtc-sa1100.o ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/Kconfig 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,156 @@ -+\# -+# RTC class/drivers configuration -+# -+ -+menu "Real Time Clock" -+ -+config RTC_LIB -+ bool -+ -+config RTC_CLASS -+ tristate "RTC class" -+ depends on EXPERIMENTAL -+ default n -+ select RTC_LIB -+ help -+ Generic RTC class support. If you say yes here, you will -+ be allowed to plug one or more RTCs to your system. You will -+ probably want to enable one of more of the interfaces below. -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-class. -+ -+config RTC_HCTOSYS -+ bool "Set system time from RTC on startup" -+ depends on RTC_CLASS = y -+ default y -+ help -+ If you say yes here, the system time will be set using -+ the value read from the specified RTC device. This is useful -+ in order to avoid unnecessary fschk runs. -+ -+config RTC_HCTOSYS_DEVICE -+ string "The RTC to read the time from" -+ depends on RTC_HCTOSYS = y -+ default "rtc0" -+ help -+ The RTC device that will be used as the source for -+ the system time, usually rtc0. -+ -+comment "RTC interfaces" -+ depends on RTC_CLASS -+ -+config RTC_INTF_SYSFS -+ tristate "sysfs" -+ depends on RTC_CLASS && SYSFS -+ default RTC_CLASS -+ help -+ Say yes here if you want to use your RTC using the sysfs -+ interface, /sys/class/rtc/rtcX . -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-sysfs. -+ -+config RTC_INTF_PROC -+ tristate "proc" -+ depends on RTC_CLASS && PROC_FS -+ default RTC_CLASS -+ help -+ Say yes here if you want to use your RTC using the proc -+ interface, /proc/driver/rtc . -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-proc. -+ -+config RTC_INTF_DEV -+ tristate "dev" -+ depends on RTC_CLASS -+ default RTC_CLASS -+ help -+ Say yes here if you want to use your RTC using the dev -+ interface, /dev/rtc . -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-dev. -+ -+comment "RTC drivers" -+ depends on RTC_CLASS -+ -+config RTC_DRV_X1205 -+ tristate "Xicor/Intersil X1205 RTC chip" -+ depends on RTC_CLASS && I2C -+ help -+ If you say yes here you get support for the -+ Xicor/Intersil X1205 RTC chip. -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-x1205. -+ -+config RTC_DRV_DS1672 -+ tristate "Dallas/Maxim DS1672" -+ depends on RTC_CLASS && I2C -+ help -+ If you say yes here you get support for the -+ Dallas/Maxim DS1672 timekeeping chip. -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-ds1672. -+ -+config RTC_DRV_PCF8563 -+ tristate "Philips PCF8563/Epson RTC8564" -+ depends on RTC_CLASS && I2C -+ help -+ If you say yes here you get support for the -+ Philips PCF8563 RTC chip. The Epson RTC8564 -+ should work as well. -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-pcf8563. -+ -+config RTC_DRV_RS5C372 -+ tristate "Ricoh RS5C372A/B" -+ depends on RTC_CLASS && I2C -+ help -+ If you say yes here you get support for the -+ Ricoh RS5C372A and RS5C372B RTC chips. -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-rs5c372. -+ -+config RTC_DRV_EP93XX -+ tristate "Cirrus Logic EP93XX" -+ depends on RTC_CLASS && ARCH_EP93XX -+ help -+ If you say yes here you get support for the -+ RTC embedded in the Cirrus Logic EP93XX processors. -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-ep93xx. -+ -+ -+config RTC_DRV_SA1100 -+ bool "SA11x0/PXA2xx RTC support" -+ depends on ARCH_SA1100 || ARCH_PXA -+ help -+ If you say Y here you will get access to the real time clock -+ built into your SA11x0 or PXA2xx CPU. -+ -+ To compile this driver as a module, choose M here: the -+ module will be called rtc-sa1100. -+ -+config RTC_DRV_TEST -+ tristate "Test driver/device" -+ depends on RTC_CLASS -+ help -+ If you say yes here you get support for the -+ RTC test driver. It's a software RTC which can be -+ used to test the RTC subsystem APIs. It gets -+ the time from the system clock. -+ You want this driver only if you are doing development -+ on the RTC subsystem. Please read the source code -+ for further details. -+ -+ This driver can also be built as a module. If so, the module -+ will be called rtc-test. -+ -+endmenu ---- linux-ixp4xx.orig/drivers/Kconfig 2006-03-08 01:59:18.000000000 +0100 -+++ linux-ixp4xx/drivers/Kconfig 2006-03-08 01:59:26.000000000 +0100 -@@ -72,4 +72,6 @@ source "drivers/sn/Kconfig" - - source "drivers/edac/Kconfig" - -+source "drivers/rtc/Kconfig" -+ - endmenu ---- linux-ixp4xx.orig/drivers/Makefile 2006-03-08 01:59:18.000000000 +0100 -+++ linux-ixp4xx/drivers/Makefile 2006-03-08 01:59:26.000000000 +0100 -@@ -56,6 +56,7 @@ obj-$(CONFIG_USB_GADGET) += usb/gadget/ - obj-$(CONFIG_GAMEPORT) += input/gameport/ - obj-$(CONFIG_INPUT) += input/ - obj-$(CONFIG_I2O) += message/ -+obj-$(CONFIG_RTC_LIB) += rtc/ - obj-$(CONFIG_I2C) += i2c/ - obj-$(CONFIG_W1) += w1/ - obj-$(CONFIG_HWMON) += hwmon/ ---- linux-ixp4xx.orig/include/linux/rtc.h 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/include/linux/rtc.h 2006-03-08 01:59:26.000000000 +0100 -@@ -93,8 +93,100 @@ struct rtc_pll_info { - #define RTC_PLL_GET _IOR('p', 0x11, struct rtc_pll_info) /* Get PLL correction */ - #define RTC_PLL_SET _IOW('p', 0x12, struct rtc_pll_info) /* Set PLL correction */ - -+/* interrupt flags */ -+#define RTC_IRQF 0x80 /* any of the following is active */ -+#define RTC_PF 0x40 -+#define RTC_AF 0x20 -+#define RTC_UF 0x10 -+ - #ifdef __KERNEL__ - -+extern int rtc_month_days(unsigned int month, unsigned int year); -+extern int rtc_valid_tm(struct rtc_time *tm); -+extern int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time); -+extern void rtc_time_to_tm(unsigned long time, struct rtc_time *tm); -+ -+#include <linux/device.h> -+#include <linux/seq_file.h> -+#include <linux/cdev.h> -+#include <linux/poll.h> -+#include <linux/mutex.h> -+ -+extern struct class *rtc_class; -+ -+struct rtc_class_ops { -+ int (*open)(struct device *); -+ void (*release)(struct device *); -+ int (*ioctl)(struct device *, unsigned int, unsigned long); -+ int (*read_time)(struct device *, struct rtc_time *); -+ int (*set_time)(struct device *, struct rtc_time *); -+ int (*read_alarm)(struct device *, struct rtc_wkalrm *); -+ int (*set_alarm)(struct device *, struct rtc_wkalrm *); -+ int (*proc)(struct device *, struct seq_file *); -+ int (*set_mmss)(struct device *, unsigned long secs); -+ int (*irq_set_state)(struct device *, int enabled); -+ int (*irq_set_freq)(struct device *, int freq); -+ int (*read_callback)(struct device *, int data); -+}; -+ -+#define RTC_DEVICE_NAME_SIZE 20 -+struct rtc_task; -+ -+struct rtc_device -+{ -+ struct class_device class_dev; -+ struct module *owner; -+ -+ int id; -+ char name[RTC_DEVICE_NAME_SIZE]; -+ -+ struct rtc_class_ops *ops; -+ struct mutex ops_lock; -+ -+ struct class_device *rtc_dev; -+ struct cdev char_dev; -+ struct mutex char_lock; -+ -+ unsigned long irq_data; -+ spinlock_t irq_lock; -+ wait_queue_head_t irq_queue; -+ struct fasync_struct *async_queue; -+ -+ struct rtc_task *irq_task; -+ spinlock_t irq_task_lock; -+ int irq_freq; -+}; -+#define to_rtc_device(d) container_of(d, struct rtc_device, class_dev) -+ -+extern struct rtc_device *rtc_device_register(const char *name, -+ struct device *dev, -+ struct rtc_class_ops *ops, -+ struct module *owner); -+extern void rtc_device_unregister(struct rtc_device *rdev); -+extern int rtc_interface_register(struct class_interface *intf); -+ -+extern int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm); -+extern int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm); -+extern int rtc_set_mmss(struct class_device *class_dev, unsigned long secs); -+extern int rtc_read_alarm(struct class_device *class_dev, -+ struct rtc_wkalrm *alrm); -+extern int rtc_set_alarm(struct class_device *class_dev, -+ struct rtc_wkalrm *alrm); -+extern void rtc_update_irq(struct class_device *class_dev, -+ unsigned long num, unsigned long events); -+ -+extern struct class_device *rtc_class_open(char *name); -+extern void rtc_class_close(struct class_device *class_dev); -+ -+extern int rtc_irq_register(struct class_device *class_dev, -+ struct rtc_task *task); -+extern void rtc_irq_unregister(struct class_device *class_dev, -+ struct rtc_task *task); -+extern int rtc_irq_set_state(struct class_device *class_dev, -+ struct rtc_task *task, int enabled); -+extern int rtc_irq_set_freq(struct class_device *class_dev, -+ struct rtc_task *task, int freq); -+ - typedef struct rtc_task { - void (*func)(void *private_data); - void *private_data; ---- linux-ixp4xx.orig/arch/arm/common/rtctime.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/arm/common/rtctime.c 2006-03-08 01:59:26.000000000 +0100 -@@ -20,6 +20,7 @@ - #include <linux/capability.h> - #include <linux/device.h> - #include <linux/mutex.h> -+#include <linux/rtc.h> - - #include <asm/rtc.h> - #include <asm/semaphore.h> -@@ -42,89 +43,6 @@ static struct rtc_ops *rtc_ops; - - #define rtc_epoch 1900UL - --static const unsigned char days_in_month[] = { -- 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 --}; -- --#define LEAPS_THRU_END_OF(y) ((y)/4 - (y)/100 + (y)/400) --#define LEAP_YEAR(year) ((!(year % 4) && (year % 100)) || !(year % 400)) -- --static int month_days(unsigned int month, unsigned int year) --{ -- return days_in_month[month] + (LEAP_YEAR(year) && month == 1); --} -- --/* -- * Convert seconds since 01-01-1970 00:00:00 to Gregorian date. -- */ --void rtc_time_to_tm(unsigned long time, struct rtc_time *tm) --{ -- int days, month, year; -- -- days = time / 86400; -- time -= days * 86400; -- -- tm->tm_wday = (days + 4) % 7; -- -- year = 1970 + days / 365; -- days -= (year - 1970) * 365 -- + LEAPS_THRU_END_OF(year - 1) -- - LEAPS_THRU_END_OF(1970 - 1); -- if (days < 0) { -- year -= 1; -- days += 365 + LEAP_YEAR(year); -- } -- tm->tm_year = year - 1900; -- tm->tm_yday = days + 1; -- -- for (month = 0; month < 11; month++) { -- int newdays; -- -- newdays = days - month_days(month, year); -- if (newdays < 0) -- break; -- days = newdays; -- } -- tm->tm_mon = month; -- tm->tm_mday = days + 1; -- -- tm->tm_hour = time / 3600; -- time -= tm->tm_hour * 3600; -- tm->tm_min = time / 60; -- tm->tm_sec = time - tm->tm_min * 60; --} --EXPORT_SYMBOL(rtc_time_to_tm); -- --/* -- * Does the rtc_time represent a valid date/time? -- */ --int rtc_valid_tm(struct rtc_time *tm) --{ -- if (tm->tm_year < 70 || -- tm->tm_mon >= 12 || -- tm->tm_mday < 1 || -- tm->tm_mday > month_days(tm->tm_mon, tm->tm_year + 1900) || -- tm->tm_hour >= 24 || -- tm->tm_min >= 60 || -- tm->tm_sec >= 60) -- return -EINVAL; -- -- return 0; --} --EXPORT_SYMBOL(rtc_valid_tm); -- --/* -- * Convert Gregorian date to seconds since 01-01-1970 00:00:00. -- */ --int rtc_tm_to_time(struct rtc_time *tm, unsigned long *time) --{ -- *time = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, -- tm->tm_hour, tm->tm_min, tm->tm_sec); -- -- return 0; --} --EXPORT_SYMBOL(rtc_tm_to_time); -- - /* - * Calculate the next alarm time given the requested alarm time mask - * and the current time. -@@ -151,13 +69,13 @@ void rtc_next_alarm_time(struct rtc_time - } - } - --static inline int rtc_read_time(struct rtc_ops *ops, struct rtc_time *tm) -+static inline int rtc_arm_read_time(struct rtc_ops *ops, struct rtc_time *tm) - { - memset(tm, 0, sizeof(struct rtc_time)); - return ops->read_time(tm); - } - --static inline int rtc_set_time(struct rtc_ops *ops, struct rtc_time *tm) -+static inline int rtc_arm_set_time(struct rtc_ops *ops, struct rtc_time *tm) - { - int ret; - -@@ -168,7 +86,7 @@ static inline int rtc_set_time(struct rt - return ret; - } - --static inline int rtc_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) -+static inline int rtc_arm_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) - { - int ret = -EINVAL; - if (ops->read_alarm) { -@@ -178,7 +96,7 @@ static inline int rtc_read_alarm(struct - return ret; - } - --static inline int rtc_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) -+static inline int rtc_arm_set_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm) - { - int ret = -EINVAL; - if (ops->set_alarm) -@@ -266,7 +184,7 @@ static int rtc_ioctl(struct inode *inode - - switch (cmd) { - case RTC_ALM_READ: -- ret = rtc_read_alarm(ops, &alrm); -+ ret = rtc_arm_read_alarm(ops, &alrm); - if (ret) - break; - ret = copy_to_user(uarg, &alrm.time, sizeof(tm)); -@@ -288,11 +206,11 @@ static int rtc_ioctl(struct inode *inode - alrm.time.tm_wday = -1; - alrm.time.tm_yday = -1; - alrm.time.tm_isdst = -1; -- ret = rtc_set_alarm(ops, &alrm); -+ ret = rtc_arm_set_alarm(ops, &alrm); - break; - - case RTC_RD_TIME: -- ret = rtc_read_time(ops, &tm); -+ ret = rtc_arm_read_time(ops, &tm); - if (ret) - break; - ret = copy_to_user(uarg, &tm, sizeof(tm)); -@@ -310,7 +228,7 @@ static int rtc_ioctl(struct inode *inode - ret = -EFAULT; - break; - } -- ret = rtc_set_time(ops, &tm); -+ ret = rtc_arm_set_time(ops, &tm); - break; - - case RTC_EPOCH_SET: -@@ -341,11 +259,11 @@ static int rtc_ioctl(struct inode *inode - ret = -EFAULT; - break; - } -- ret = rtc_set_alarm(ops, &alrm); -+ ret = rtc_arm_set_alarm(ops, &alrm); - break; - - case RTC_WKALM_RD: -- ret = rtc_read_alarm(ops, &alrm); -+ ret = rtc_arm_read_alarm(ops, &alrm); - if (ret) - break; - ret = copy_to_user(uarg, &alrm, sizeof(alrm)); -@@ -435,7 +353,7 @@ static int rtc_read_proc(char *page, cha - struct rtc_time tm; - char *p = page; - -- if (rtc_read_time(ops, &tm) == 0) { -+ if (rtc_arm_read_time(ops, &tm) == 0) { - p += sprintf(p, - "rtc_time\t: %02d:%02d:%02d\n" - "rtc_date\t: %04d-%02d-%02d\n" -@@ -445,7 +363,7 @@ static int rtc_read_proc(char *page, cha - rtc_epoch); - } - -- if (rtc_read_alarm(ops, &alrm) == 0) { -+ if (rtc_arm_read_alarm(ops, &alrm) == 0) { - p += sprintf(p, "alrm_time\t: "); - if ((unsigned int)alrm.time.tm_hour <= 24) - p += sprintf(p, "%02d:", alrm.time.tm_hour); ---- linux-ixp4xx.orig/include/asm-arm/rtc.h 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/include/asm-arm/rtc.h 2006-03-08 01:59:26.000000000 +0100 -@@ -25,9 +25,6 @@ struct rtc_ops { - int (*proc)(char *buf); - }; - --void rtc_time_to_tm(unsigned long, struct rtc_time *); --int rtc_tm_to_time(struct rtc_time *, unsigned long *); --int rtc_valid_tm(struct rtc_time *); - void rtc_next_alarm_time(struct rtc_time *, struct rtc_time *, struct rtc_time *); - void rtc_update(unsigned long, unsigned long); - int register_rtc(struct rtc_ops *); ---- linux-ixp4xx.orig/drivers/char/Kconfig 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/drivers/char/Kconfig 2006-03-08 01:59:26.000000000 +0100 -@@ -695,7 +695,7 @@ config NVRAM - - config RTC - tristate "Enhanced Real Time Clock Support" -- depends on !PPC32 && !PARISC && !IA64 && !M68K && (!SPARC || PCI) && !FRV -+ depends on !PPC32 && !PARISC && !IA64 && !M68K && (!SPARC || PCI) && !FRV && !ARM - ---help--- - If you say Y here and create a character special file /dev/rtc with - major number 10 and minor number 135 using mknod ("man mknod"), you ---- linux-ixp4xx.orig/arch/arm/Kconfig 2006-03-08 01:59:18.000000000 +0100 -+++ linux-ixp4xx/arch/arm/Kconfig 2006-03-08 01:59:26.000000000 +0100 -@@ -8,6 +8,7 @@ mainmenu "Linux Kernel Configuration" - config ARM - bool - default y -+ select RTC_LIB - help - The ARM series is a line of low-power-consumption RISC chip designs - licensed by ARM Ltd and targeted at embedded applications and -@@ -819,6 +820,8 @@ source "drivers/usb/Kconfig" - - source "drivers/mmc/Kconfig" - -+source "drivers/rtc/Kconfig" -+ - endmenu - - source "fs/Kconfig" ---- linux-ixp4xx.orig/arch/arm/mach-integrator/time.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/arm/mach-integrator/time.c 2006-03-08 01:59:26.000000000 +0100 -@@ -40,13 +40,13 @@ static int integrator_set_rtc(void) - return 1; - } - --static int rtc_read_alarm(struct rtc_wkalrm *alrm) -+static int integrator_rtc_read_alarm(struct rtc_wkalrm *alrm) - { - rtc_time_to_tm(readl(rtc_base + RTC_MR), &alrm->time); - return 0; - } - --static inline int rtc_set_alarm(struct rtc_wkalrm *alrm) -+static inline int integrator_rtc_set_alarm(struct rtc_wkalrm *alrm) - { - unsigned long time; - int ret; -@@ -62,7 +62,7 @@ static inline int rtc_set_alarm(struct r - return ret; - } - --static int rtc_read_time(struct rtc_time *tm) -+static int integrator_rtc_read_time(struct rtc_time *tm) - { - rtc_time_to_tm(readl(rtc_base + RTC_DR), tm); - return 0; -@@ -76,7 +76,7 @@ static int rtc_read_time(struct rtc_time - * edge of the 1Hz clock, we must write the time one second - * in advance. - */ --static inline int rtc_set_time(struct rtc_time *tm) -+static inline int integrator_rtc_set_time(struct rtc_time *tm) - { - unsigned long time; - int ret; -@@ -90,10 +90,10 @@ static inline int rtc_set_time(struct rt - - static struct rtc_ops rtc_ops = { - .owner = THIS_MODULE, -- .read_time = rtc_read_time, -- .set_time = rtc_set_time, -- .read_alarm = rtc_read_alarm, -- .set_alarm = rtc_set_alarm, -+ .read_time = integrator_rtc_read_time, -+ .set_time = integrator_rtc_set_time, -+ .read_alarm = integrator_rtc_read_alarm, -+ .set_alarm = integrator_rtc_set_alarm, - }; - - static irqreturn_t arm_rtc_interrupt(int irq, void *dev_id, ---- linux-ixp4xx.orig/arch/mips/ddb5xxx/common/rtc_ds1386.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/ddb5xxx/common/rtc_ds1386.c 2006-03-08 01:59:26.000000000 +0100 -@@ -165,6 +165,6 @@ rtc_ds1386_init(unsigned long base) - WRITE_RTC(0xB, byte); - - /* set the function pointers */ -- rtc_get_time = rtc_ds1386_get_time; -- rtc_set_time = rtc_ds1386_set_time; -+ rtc_mips_get_time = rtc_ds1386_get_time; -+ rtc_mips_set_time = rtc_ds1386_set_time; - } ---- linux-ixp4xx.orig/arch/mips/dec/time.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/dec/time.c 2006-03-08 01:59:26.000000000 +0100 -@@ -193,8 +193,8 @@ static void dec_ioasic_hpt_init(unsigned - - void __init dec_time_init(void) - { -- rtc_get_time = dec_rtc_get_time; -- rtc_set_mmss = dec_rtc_set_mmss; -+ rtc_mips_get_time = dec_rtc_get_time; -+ rtc_mips_set_mmss = dec_rtc_set_mmss; - - mips_timer_state = dec_timer_state; - mips_timer_ack = dec_timer_ack; ---- linux-ixp4xx.orig/arch/mips/ite-boards/generic/time.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/ite-boards/generic/time.c 2006-03-08 01:59:26.000000000 +0100 -@@ -227,8 +227,8 @@ void __init it8172_time_init(void) - - local_irq_restore(flags); - -- rtc_get_time = it8172_rtc_get_time; -- rtc_set_time = it8172_rtc_set_time; -+ rtc_mips_get_time = it8172_rtc_get_time; -+ rtc_mips_set_time = it8172_rtc_set_time; - } - - #define ALLINTS (IE_IRQ0 | IE_IRQ1 | IE_IRQ2 | IE_IRQ3 | IE_IRQ4 | IE_IRQ5) ---- linux-ixp4xx.orig/arch/mips/jmr3927/common/rtc_ds1742.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/jmr3927/common/rtc_ds1742.c 2006-03-08 01:59:26.000000000 +0100 -@@ -159,8 +159,8 @@ rtc_ds1742_init(unsigned long base) - db_assert((rtc_base & 0xe0000000) == KSEG1); - - /* set the function pointers */ -- rtc_get_time = rtc_ds1742_get_time; -- rtc_set_time = rtc_ds1742_set_time; -+ rtc_mips_get_time = rtc_ds1742_get_time; -+ rtc_mips_set_time = rtc_ds1742_set_time; - - /* clear oscillator stop bit */ - CMOS_WRITE(RTC_READ, RTC_CONTROL); ---- linux-ixp4xx.orig/arch/mips/kernel/time.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/kernel/time.c 2006-03-08 01:59:26.000000000 +0100 -@@ -65,9 +65,9 @@ static int null_rtc_set_time(unsigned lo - return 0; - } - --unsigned long (*rtc_get_time)(void) = null_rtc_get_time; --int (*rtc_set_time)(unsigned long) = null_rtc_set_time; --int (*rtc_set_mmss)(unsigned long); -+unsigned long (*rtc_mips_get_time)(void) = null_rtc_get_time; -+int (*rtc_mips_set_time)(unsigned long) = null_rtc_set_time; -+int (*rtc_mips_set_mmss)(unsigned long); - - - /* usecs per counter cycle, shifted to left by 32 bits */ -@@ -438,7 +438,7 @@ irqreturn_t timer_interrupt(int irq, voi - - /* - * If we have an externally synchronized Linux clock, then update -- * CMOS clock accordingly every ~11 minutes. rtc_set_time() has to be -+ * CMOS clock accordingly every ~11 minutes. rtc_mips_set_time() has to be - * called as close as possible to 500 ms before the new second starts. - */ - write_seqlock(&xtime_lock); -@@ -446,7 +446,7 @@ irqreturn_t timer_interrupt(int irq, voi - xtime.tv_sec > last_rtc_update + 660 && - (xtime.tv_nsec / 1000) >= 500000 - ((unsigned) TICK_SIZE) / 2 && - (xtime.tv_nsec / 1000) <= 500000 + ((unsigned) TICK_SIZE) / 2) { -- if (rtc_set_mmss(xtime.tv_sec) == 0) { -+ if (rtc_mips_set_mmss(xtime.tv_sec) == 0) { - last_rtc_update = xtime.tv_sec; - } else { - /* do it again in 60 s */ -@@ -563,7 +563,7 @@ asmlinkage void ll_local_timer_interrupt - * b) (optional) calibrate and set the mips_hpt_frequency - * (only needed if you intended to use fixed_rate_gettimeoffset - * or use cpu counter as timer interrupt source) -- * 2) setup xtime based on rtc_get_time(). -+ * 2) setup xtime based on rtc_mips_get_time(). - * 3) choose a appropriate gettimeoffset routine. - * 4) calculate a couple of cached variables for later usage - * 5) board_timer_setup() - -@@ -631,10 +631,10 @@ void __init time_init(void) - if (board_time_init) - board_time_init(); - -- if (!rtc_set_mmss) -- rtc_set_mmss = rtc_set_time; -+ if (!rtc_mips_set_mmss) -+ rtc_mips_set_mmss = rtc_mips_set_time; - -- xtime.tv_sec = rtc_get_time(); -+ xtime.tv_sec = rtc_mips_get_time(); - xtime.tv_nsec = 0; - - set_normalized_timespec(&wall_to_monotonic, -@@ -770,8 +770,8 @@ void to_tm(unsigned long tim, struct rtc - - EXPORT_SYMBOL(rtc_lock); - EXPORT_SYMBOL(to_tm); --EXPORT_SYMBOL(rtc_set_time); --EXPORT_SYMBOL(rtc_get_time); -+EXPORT_SYMBOL(rtc_mips_set_time); -+EXPORT_SYMBOL(rtc_mips_get_time); - - unsigned long long sched_clock(void) - { ---- linux-ixp4xx.orig/arch/mips/lasat/setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/lasat/setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -174,8 +174,8 @@ void __init plat_setup(void) - - #ifdef CONFIG_DS1603 - ds1603 = &ds_defs[mips_machtype]; -- rtc_get_time = ds1603_read; -- rtc_set_time = ds1603_set; -+ rtc_mips_get_time = ds1603_read; -+ rtc_mips_set_time = ds1603_set; - #endif - - #ifdef DYNAMIC_SERIAL_INIT ---- linux-ixp4xx.orig/arch/mips/mips-boards/atlas/atlas_setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/mips-boards/atlas/atlas_setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -65,7 +65,7 @@ void __init plat_setup(void) - - board_time_init = mips_time_init; - board_timer_setup = mips_timer_setup; -- rtc_get_time = mips_rtc_get_time; -+ rtc_mips_get_time = mips_rtc_get_time; - } - - static void __init serial_init(void) ---- linux-ixp4xx.orig/arch/mips/mips-boards/malta/malta_setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/mips-boards/malta/malta_setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -225,5 +225,5 @@ void __init plat_setup(void) - - board_time_init = mips_time_init; - board_timer_setup = mips_timer_setup; -- rtc_get_time = mips_rtc_get_time; -+ rtc_mips_get_time = mips_rtc_get_time; - } ---- linux-ixp4xx.orig/arch/mips/momentum/jaguar_atx/setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/momentum/jaguar_atx/setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -228,8 +228,8 @@ void momenco_time_init(void) - mips_hpt_frequency = cpu_clock / 2; - board_timer_setup = momenco_timer_setup; - -- rtc_get_time = m48t37y_get_time; -- rtc_set_time = m48t37y_set_time; -+ rtc_mips_get_time = m48t37y_get_time; -+ rtc_mips_set_time = m48t37y_set_time; - } - - static struct resource mv_pci_io_mem0_resource = { ---- linux-ixp4xx.orig/arch/mips/momentum/ocelot_3/setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/momentum/ocelot_3/setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -215,8 +215,8 @@ void momenco_time_init(void) - mips_hpt_frequency = cpu_clock / 2; - board_timer_setup = momenco_timer_setup; - -- rtc_get_time = m48t37y_get_time; -- rtc_set_time = m48t37y_set_time; -+ rtc_mips_get_time = m48t37y_get_time; -+ rtc_mips_set_time = m48t37y_set_time; - } - - /* ---- linux-ixp4xx.orig/arch/mips/momentum/ocelot_c/setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/momentum/ocelot_c/setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -226,8 +226,8 @@ void momenco_time_init(void) - printk("momenco_time_init cpu_clock=%d\n", cpu_clock); - board_timer_setup = momenco_timer_setup; - -- rtc_get_time = m48t37y_get_time; -- rtc_set_time = m48t37y_set_time; -+ rtc_mips_get_time = m48t37y_get_time; -+ rtc_mips_set_time = m48t37y_set_time; - } - - void __init plat_setup(void) ---- linux-ixp4xx.orig/arch/mips/pmc-sierra/yosemite/setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/pmc-sierra/yosemite/setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -198,8 +198,8 @@ static void __init py_rtc_setup(void) - if (!m48t37_base) - printk(KERN_ERR "Mapping the RTC failed\n"); - -- rtc_get_time = m48t37y_get_time; -- rtc_set_time = m48t37y_set_time; -+ rtc_mips_get_time = m48t37y_get_time; -+ rtc_mips_set_time = m48t37y_set_time; - - write_seqlock(&xtime_lock); - xtime.tv_sec = m48t37y_get_time(); ---- linux-ixp4xx.orig/arch/mips/sgi-ip22/ip22-time.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/sgi-ip22/ip22-time.c 2006-03-08 01:59:26.000000000 +0100 -@@ -212,8 +212,8 @@ static void indy_timer_setup(struct irqa - void __init ip22_time_init(void) - { - /* setup hookup functions */ -- rtc_get_time = indy_rtc_get_time; -- rtc_set_time = indy_rtc_set_time; -+ rtc_mips_get_time = indy_rtc_get_time; -+ rtc_mips_set_time = indy_rtc_set_time; - - board_time_init = indy_time_init; - board_timer_setup = indy_timer_setup; ---- linux-ixp4xx.orig/arch/mips/sgi-ip32/ip32-setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/sgi-ip32/ip32-setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -91,8 +91,8 @@ void __init plat_setup(void) - { - board_be_init = ip32_be_init; - -- rtc_get_time = mc146818_get_cmos_time; -- rtc_set_mmss = mc146818_set_rtc_mmss; -+ rtc_mips_get_time = mc146818_get_cmos_time; -+ rtc_mips_set_mmss = mc146818_set_rtc_mmss; - - board_time_init = ip32_time_init; - board_timer_setup = ip32_timer_setup; ---- linux-ixp4xx.orig/arch/mips/sibyte/swarm/setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/sibyte/swarm/setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -114,14 +114,14 @@ void __init plat_setup(void) - - if (xicor_probe()) { - printk("swarm setup: Xicor 1241 RTC detected.\n"); -- rtc_get_time = xicor_get_time; -- rtc_set_time = xicor_set_time; -+ rtc_mips_get_time = xicor_get_time; -+ rtc_mips_set_time = xicor_set_time; - } - - if (m41t81_probe()) { - printk("swarm setup: M41T81 RTC detected.\n"); -- rtc_get_time = m41t81_get_time; -- rtc_set_time = m41t81_set_time; -+ rtc_mips_get_time = m41t81_get_time; -+ rtc_mips_set_time = m41t81_set_time; - } - - printk("This kernel optimized for " ---- linux-ixp4xx.orig/arch/mips/sni/setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/sni/setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -164,8 +164,8 @@ static struct pci_controller sni_control - - static inline void sni_pcimt_time_init(void) - { -- rtc_get_time = mc146818_get_cmos_time; -- rtc_set_time = mc146818_set_rtc_mmss; -+ rtc_mips_get_time = mc146818_get_cmos_time; -+ rtc_mips_set_time = mc146818_set_rtc_mmss; - } - - void __init plat_setup(void) ---- linux-ixp4xx.orig/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_setup.c 2006-03-08 01:59:26.000000000 +0100 -@@ -1036,8 +1036,8 @@ toshiba_rbtx4927_time_init(void) - - #ifdef CONFIG_RTC_DS1742 - -- rtc_get_time = rtc_ds1742_get_time; -- rtc_set_time = rtc_ds1742_set_time; -+ rtc_mips_get_time = rtc_ds1742_get_time; -+ rtc_mips_set_time = rtc_ds1742_set_time; - - TOSHIBA_RBTX4927_SETUP_DPRINTK(TOSHIBA_RBTX4927_SETUP_TIME_INIT, - ":rtc_ds1742_init()-\n"); ---- linux-ixp4xx.orig/arch/mips/tx4938/common/rtc_rx5c348.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/mips/tx4938/common/rtc_rx5c348.c 2006-03-08 01:59:26.000000000 +0100 -@@ -197,6 +197,6 @@ rtc_rx5c348_init(int chipid) - srtc_24h = 1; - - /* set the function pointers */ -- rtc_get_time = rtc_rx5c348_get_time; -- rtc_set_time = rtc_rx5c348_set_time; -+ rtc_mips_get_time = rtc_rx5c348_get_time; -+ rtc_mips_set_time = rtc_rx5c348_set_time; - } ---- linux-ixp4xx.orig/include/asm-mips/time.h 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/include/asm-mips/time.h 2006-03-08 01:59:26.000000000 +0100 -@@ -26,14 +26,14 @@ extern spinlock_t rtc_lock; - - /* - * RTC ops. By default, they point to no-RTC functions. -- * rtc_get_time - mktime(year, mon, day, hour, min, sec) in seconds. -- * rtc_set_time - reverse the above translation and set time to RTC. -- * rtc_set_mmss - similar to rtc_set_time, but only min and sec need -+ * rtc_mips_get_time - mktime(year, mon, day, hour, min, sec) in seconds. -+ * rtc_mips_set_time - reverse the above translation and set time to RTC. -+ * rtc_mips_set_mmss - similar to rtc_set_time, but only min and sec need - * to be set. Used by RTC sync-up. - */ --extern unsigned long (*rtc_get_time)(void); --extern int (*rtc_set_time)(unsigned long); --extern int (*rtc_set_mmss)(unsigned long); -+extern unsigned long (*rtc_mips_get_time)(void); -+extern int (*rtc_mips_set_time)(unsigned long); -+extern int (*rtc_mips_set_mmss)(unsigned long); - - /* - * Timer interrupt functions. ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/class.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,145 @@ -+/* -+ * RTC subsystem, base class -+ * -+ * Copyright (C) 2005 Tower Technologies -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * class skeleton from drivers/hwmon/hwmon.c -+ * -+ * 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; version 2 of the License. -+*/ -+ -+#include <linux/module.h> -+#include <linux/rtc.h> -+#include <linux/kdev_t.h> -+#include <linux/idr.h> -+ -+static DEFINE_IDR(rtc_idr); -+static DEFINE_MUTEX(idr_lock); -+struct class *rtc_class; -+ -+static void rtc_device_release(struct class_device *class_dev) -+{ -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ mutex_lock(&idr_lock); -+ idr_remove(&rtc_idr, rtc->id); -+ mutex_unlock(&idr_lock); -+ kfree(rtc); -+} -+ -+/** -+ * rtc_device_register - register w/ RTC class -+ * @dev: the device to register -+ * -+ * rtc_device_unregister() must be called when the class device is no -+ * longer needed. -+ * -+ * Returns the pointer to the new struct class device. -+ */ -+struct rtc_device *rtc_device_register(const char *name, struct device *dev, -+ struct rtc_class_ops *ops, -+ struct module *owner) -+{ -+ struct rtc_device *rtc; -+ int id, err; -+ -+ if (idr_pre_get(&rtc_idr, GFP_KERNEL) == 0) { -+ err = -ENOMEM; -+ goto exit; -+ } -+ -+ -+ mutex_lock(&idr_lock); -+ err = idr_get_new(&rtc_idr, NULL, &id); -+ mutex_unlock(&idr_lock); -+ -+ if (err < 0) -+ goto exit; -+ -+ id = id & MAX_ID_MASK; -+ -+ rtc = kzalloc(sizeof(struct rtc_device), GFP_KERNEL); -+ if (rtc == NULL) { -+ err = -ENOMEM; -+ goto exit_idr; -+ } -+ -+ rtc->id = id; -+ rtc->ops = ops; -+ rtc->owner = owner; -+ rtc->class_dev.dev = dev; -+ rtc->class_dev.class = rtc_class; -+ rtc->class_dev.release = rtc_device_release; -+ -+ mutex_init(&rtc->ops_lock); -+ spin_lock_init(&rtc->irq_lock); -+ spin_lock_init(&rtc->irq_task_lock); -+ -+ strlcpy(rtc->name, name, RTC_DEVICE_NAME_SIZE); -+ snprintf(rtc->class_dev.class_id, BUS_ID_SIZE, "rtc%d", id); -+ -+ err = class_device_register(&rtc->class_dev); -+ if (err) -+ goto exit_kfree; -+ -+ dev_info(dev, "rtc core: registered %s as %s\n", -+ rtc->name, rtc->class_dev.class_id); -+ -+ return rtc; -+ -+exit_kfree: -+ kfree(rtc); -+ -+exit_idr: -+ idr_remove(&rtc_idr, id); -+ -+exit: -+ return ERR_PTR(err); -+} -+EXPORT_SYMBOL_GPL(rtc_device_register); -+ -+ -+/** -+ * rtc_device_unregister - removes the previously registered RTC class device -+ * -+ * @rtc: the RTC class device to destroy -+ */ -+void rtc_device_unregister(struct rtc_device *rtc) -+{ -+ mutex_lock(&rtc->ops_lock); -+ rtc->ops = NULL; -+ mutex_unlock(&rtc->ops_lock); -+ class_device_unregister(&rtc->class_dev); -+} -+EXPORT_SYMBOL_GPL(rtc_device_unregister); -+ -+int rtc_interface_register(struct class_interface *intf) -+{ -+ intf->class = rtc_class; -+ return class_interface_register(intf); -+} -+EXPORT_SYMBOL_GPL(rtc_interface_register); -+ -+static int __init rtc_init(void) -+{ -+ rtc_class = class_create(THIS_MODULE, "rtc"); -+ if (IS_ERR(rtc_class)) { -+ printk(KERN_ERR "%s: couldn't create class\n", __FILE__); -+ return PTR_ERR(rtc_class); -+ } -+ return 0; -+} -+ -+static void __exit rtc_exit(void) -+{ -+ class_destroy(rtc_class); -+} -+ -+module_init(rtc_init); -+module_exit(rtc_exit); -+ -+MODULE_AUTHOR("Alessandro Zummo <a.zummo@towerteh.it>"); -+MODULE_DESCRIPTION("RTC class support"); -+MODULE_LICENSE("GPL"); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/interface.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,277 @@ -+/* -+ * RTC subsystem, interface functions -+ * -+ * Copyright (C) 2005 Tower Technologies -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * based on arch/arm/common/rtctime.c -+ * -+ * 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; version 2 of the License. -+*/ -+ -+#include <linux/rtc.h> -+ -+int rtc_read_time(struct class_device *class_dev, struct rtc_time *tm) -+{ -+ int err; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ err = mutex_lock_interruptible(&rtc->ops_lock); -+ if (err) -+ return -EBUSY; -+ -+ if (!rtc->ops) -+ err = -ENODEV; -+ else if (!rtc->ops->read_time) -+ err = -EINVAL; -+ else { -+ memset(tm, 0, sizeof(struct rtc_time)); -+ err = rtc->ops->read_time(class_dev->dev, tm); -+ } -+ -+ mutex_unlock(&rtc->ops_lock); -+ return err; -+} -+EXPORT_SYMBOL_GPL(rtc_read_time); -+ -+int rtc_set_time(struct class_device *class_dev, struct rtc_time *tm) -+{ -+ int err; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ err = rtc_valid_tm(tm); -+ if (err != 0) -+ return err; -+ -+ err = mutex_lock_interruptible(&rtc->ops_lock); -+ if (err) -+ return -EBUSY; -+ -+ if (!rtc->ops) -+ err = -ENODEV; -+ else if (!rtc->ops->set_time) -+ err = -EINVAL; -+ else -+ err = rtc->ops->set_time(class_dev->dev, tm); -+ -+ mutex_unlock(&rtc->ops_lock); -+ return err; -+} -+EXPORT_SYMBOL_GPL(rtc_set_time); -+ -+int rtc_set_mmss(struct class_device *class_dev, unsigned long secs) -+{ -+ int err; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ err = mutex_lock_interruptible(&rtc->ops_lock); -+ if (err) -+ return -EBUSY; -+ -+ if (!rtc->ops) -+ err = -ENODEV; -+ else if (rtc->ops->set_mmss) -+ err = rtc->ops->set_mmss(class_dev->dev, secs); -+ else if (rtc->ops->read_time && rtc->ops->set_time) { -+ struct rtc_time new, old; -+ -+ err = rtc->ops->read_time(class_dev->dev, &old); -+ if (err == 0) { -+ rtc_time_to_tm(secs, &new); -+ -+ /* -+ * avoid writing when we're going to change the day of -+ * the month. We will retry in the next minute. This -+ * basically means that if the RTC must not drift -+ * by more than 1 minute in 11 minutes. -+ */ -+ if (!((old.tm_hour == 23 && old.tm_min == 59) || -+ (new.tm_hour == 23 && new.tm_min == 59))) -+ err = rtc->ops->set_time(class_dev->dev, &new); -+ } -+ } -+ else -+ err = -EINVAL; -+ -+ mutex_unlock(&rtc->ops_lock); -+ -+ return err; -+} -+EXPORT_SYMBOL_GPL(rtc_set_mmss); -+ -+int rtc_read_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) -+{ -+ int err; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ err = mutex_lock_interruptible(&rtc->ops_lock); -+ if (err) -+ return -EBUSY; -+ -+ if (rtc->ops == NULL) -+ err = -ENODEV; -+ else if (!rtc->ops->read_alarm) -+ err = -EINVAL; -+ else { -+ memset(alarm, 0, sizeof(struct rtc_wkalrm)); -+ err = rtc->ops->read_alarm(class_dev->dev, alarm); -+ } -+ -+ mutex_unlock(&rtc->ops_lock); -+ return err; -+} -+EXPORT_SYMBOL_GPL(rtc_read_alarm); -+ -+int rtc_set_alarm(struct class_device *class_dev, struct rtc_wkalrm *alarm) -+{ -+ int err; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ err = mutex_lock_interruptible(&rtc->ops_lock); -+ if (err) -+ return -EBUSY; -+ -+ if (!rtc->ops) -+ err = -ENODEV; -+ else if (!rtc->ops->set_alarm) -+ err = -EINVAL; -+ else -+ err = rtc->ops->set_alarm(class_dev->dev, alarm); -+ -+ mutex_unlock(&rtc->ops_lock); -+ return err; -+} -+EXPORT_SYMBOL_GPL(rtc_set_alarm); -+ -+void rtc_update_irq(struct class_device *class_dev, -+ unsigned long num, unsigned long events) -+{ -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ spin_lock(&rtc->irq_lock); -+ rtc->irq_data = (rtc->irq_data + (num << 8)) | events; -+ spin_unlock(&rtc->irq_lock); -+ -+ spin_lock(&rtc->irq_task_lock); -+ if (rtc->irq_task) -+ rtc->irq_task->func(rtc->irq_task->private_data); -+ spin_unlock(&rtc->irq_task_lock); -+ -+ wake_up_interruptible(&rtc->irq_queue); -+ kill_fasync(&rtc->async_queue, SIGIO, POLL_IN); -+} -+EXPORT_SYMBOL_GPL(rtc_update_irq); -+ -+struct class_device *rtc_class_open(char *name) -+{ -+ struct class_device *class_dev = NULL, -+ *class_dev_tmp; -+ -+ down(&rtc_class->sem); -+ list_for_each_entry(class_dev_tmp, &rtc_class->children, node) { -+ if (strncmp(class_dev_tmp->class_id, name, BUS_ID_SIZE) == 0) { -+ class_dev = class_dev_tmp; -+ break; -+ } -+ } -+ -+ if (class_dev) { -+ if (!try_module_get(to_rtc_device(class_dev)->owner)) -+ class_dev = NULL; -+ } -+ up(&rtc_class->sem); -+ -+ return class_dev; -+} -+EXPORT_SYMBOL_GPL(rtc_class_open); -+ -+void rtc_class_close(struct class_device *class_dev) -+{ -+ module_put(to_rtc_device(class_dev)->owner); -+} -+EXPORT_SYMBOL_GPL(rtc_class_close); -+ -+int rtc_irq_register(struct class_device *class_dev, struct rtc_task *task) -+{ -+ int retval = -EBUSY; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ if (task == NULL || task->func == NULL) -+ return -EINVAL; -+ -+ spin_lock(&rtc->irq_task_lock); -+ if (rtc->irq_task == NULL) { -+ rtc->irq_task = task; -+ retval = 0; -+ } -+ spin_unlock(&rtc->irq_task_lock); -+ -+ return retval; -+} -+EXPORT_SYMBOL_GPL(rtc_irq_register); -+ -+void rtc_irq_unregister(struct class_device *class_dev, struct rtc_task *task) -+{ -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ spin_lock(&rtc->irq_task_lock); -+ if (rtc->irq_task == task) -+ rtc->irq_task = NULL; -+ spin_unlock(&rtc->irq_task_lock); -+} -+EXPORT_SYMBOL_GPL(rtc_irq_unregister); -+ -+int rtc_irq_set_state(struct class_device *class_dev, struct rtc_task *task, int enabled) -+{ -+ int err = 0; -+ unsigned long flags; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ spin_lock_irqsave(&rtc->irq_task_lock, flags); -+ if (rtc->irq_task != task) -+ err = -ENXIO; -+ spin_unlock_irqrestore(&rtc->irq_task_lock, flags); -+ -+ if (err == 0) -+ err = rtc->ops->irq_set_state(class_dev->dev, enabled); -+ -+ return err; -+} -+EXPORT_SYMBOL_GPL(rtc_irq_set_state); -+ -+int rtc_irq_set_freq(struct class_device *class_dev, struct rtc_task *task, int freq) -+{ -+ int err = 0, tmp = 0; -+ unsigned long flags; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ /* allowed range is 2-8192 */ -+ if (freq < 2 || freq > 8192) -+ return -EINVAL; -+/* -+ FIXME: this does not belong here, will move where appropriate -+ at a later stage. It cannot hurt right now, trust me :) -+ if ((freq > rtc_max_user_freq) && (!capable(CAP_SYS_RESOURCE))) -+ return -EACCES; -+*/ -+ /* check if freq is a power of 2 */ -+ while (freq > (1 << tmp)) -+ tmp++; -+ -+ if (freq != (1 << tmp)) -+ return -EINVAL; -+ -+ spin_lock_irqsave(&rtc->irq_task_lock, flags); -+ if (rtc->irq_task != task) -+ err = -ENXIO; -+ spin_unlock_irqrestore(&rtc->irq_task_lock, flags); -+ -+ if (err == 0) { -+ err = rtc->ops->irq_set_freq(class_dev->dev, freq); -+ if (err == 0) -+ rtc->irq_freq = freq; -+ } -+ return err; -+} ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/hctosys.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,69 @@ -+/* -+ * RTC subsystem, initialize system time on startup -+ * -+ * Copyright (C) 2005 Tower Technologies -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * 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; version 2 of the License. -+*/ -+ -+#include <linux/rtc.h> -+ -+/* IMPORTANT: the RTC only stores whole seconds. It is arbitrary -+ * whether it stores the most close value or the value with partial -+ * seconds truncated. However, it is important that we use it to store -+ * the truncated value. This is because otherwise it is necessary, -+ * in an rtc sync function, to read both xtime.tv_sec and -+ * xtime.tv_nsec. On some processors (i.e. ARM), an atomic read -+ * of >32bits is not possible. So storing the most close value would -+ * slow down the sync API. So here we have the truncated value and -+ * the best guess is to add 0.5s. -+ */ -+ -+static int __init rtc_hctosys(void) -+{ -+ int err; -+ struct rtc_time tm; -+ struct class_device *class_dev = rtc_class_open(CONFIG_RTC_HCTOSYS_DEVICE); -+ -+ if (class_dev == NULL) { -+ printk("%s: unable to open rtc device (%s)\n", -+ __FILE__, CONFIG_RTC_HCTOSYS_DEVICE); -+ return -ENODEV; -+ } -+ -+ err = rtc_read_time(class_dev, &tm); -+ if (err == 0) { -+ err = rtc_valid_tm(&tm); -+ if (err == 0) { -+ struct timespec tv; -+ -+ tv.tv_nsec = NSEC_PER_SEC >> 1; -+ -+ rtc_tm_to_time(&tm, &tv.tv_sec); -+ -+ do_settimeofday(&tv); -+ -+ dev_info(class_dev->dev, -+ "setting the system clock to " -+ "%d-%02d-%02d %02d:%02d:%02d (%u)\n", -+ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, -+ tm.tm_hour, tm.tm_min, tm.tm_sec, -+ (unsigned int) tv.tv_sec); -+ } -+ else -+ dev_err(class_dev->dev, -+ "hctosys: invalid date/time\n"); -+ } -+ else -+ dev_err(class_dev->dev, -+ "hctosys: unable to read the hardware clock\n"); -+ -+ rtc_class_close(class_dev); -+ -+ return 0; -+} -+ -+late_initcall(rtc_hctosys); ---- linux-ixp4xx.orig/CREDITS 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/CREDITS 2006-03-08 01:59:26.000000000 +0100 -@@ -3741,10 +3741,11 @@ D: Mylex DAC960 PCI RAID driver - D: Miscellaneous kernel fixes - - N: Alessandro Zummo --E: azummo@ita.flashnet.it --W: http://freepage.logicom.it/azummo/ -+E: a.zummo@towertech.it - D: CMI8330 support is sb_card.c - D: ISAPnP fixes in sb_card.c -+D: ZyXEL omni.net lcd plus driver -+D: RTC subsystem - S: Italy - - N: Marc Zyngier ---- linux-ixp4xx.orig/MAINTAINERS 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/MAINTAINERS 2006-03-08 01:59:26.000000000 +0100 -@@ -2193,6 +2193,12 @@ M: p_gortmaker@yahoo.com - L: linux-kernel@vger.kernel.org - S: Maintained - -+REAL TIME CLOCK (RTC) SUBSYSTEM -+P: Alessandro Zummo -+M: a.zummo@towertech.it -+L: linux-kernel@vger.kernel.org -+S: Maintained -+ - REISERFS FILE SYSTEM - P: Hans Reiser - M: reiserfs-dev@namesys.com ---- linux-ixp4xx.orig/drivers/i2c/chips/x1205.c 2006-03-08 01:59:09.000000000 +0100 -+++ /dev/null 1970-01-01 00:00:00.000000000 +0000 -@@ -1,698 +0,0 @@ --/* -- * x1205.c - An i2c driver for the Xicor X1205 RTC -- * Copyright 2004 Karen Spearel -- * Copyright 2005 Alessandro Zummo -- * -- * please send all reports to: -- * kas11 at tampabay dot rr dot com -- * a dot zummo at towertech dot it -- * -- * based on the other drivers in this same directory. -- * -- * 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. -- */ -- --#include <linux/module.h> --#include <linux/init.h> --#include <linux/slab.h> --#include <linux/i2c.h> --#include <linux/string.h> --#include <linux/bcd.h> --#include <linux/rtc.h> --#include <linux/list.h> -- --#include <linux/x1205.h> -- --#define DRV_VERSION "0.9.9" -- --/* Addresses to scan: none. This chip is located at -- * 0x6f and uses a two bytes register addressing. -- * Two bytes need to be written to read a single register, -- * while most other chips just require one and take the second -- * one as the data to be written. To prevent corrupting -- * unknown chips, the user must explicitely set the probe parameter. -- */ -- --static unsigned short normal_i2c[] = { I2C_CLIENT_END }; -- --/* Insmod parameters */ --I2C_CLIENT_INSMOD; --I2C_CLIENT_MODULE_PARM(hctosys, -- "Set the system time from the hardware clock upon initialization"); -- --/* offsets into CCR area */ -- --#define CCR_SEC 0 --#define CCR_MIN 1 --#define CCR_HOUR 2 --#define CCR_MDAY 3 --#define CCR_MONTH 4 --#define CCR_YEAR 5 --#define CCR_WDAY 6 --#define CCR_Y2K 7 -- --#define X1205_REG_SR 0x3F /* status register */ --#define X1205_REG_Y2K 0x37 --#define X1205_REG_DW 0x36 --#define X1205_REG_YR 0x35 --#define X1205_REG_MO 0x34 --#define X1205_REG_DT 0x33 --#define X1205_REG_HR 0x32 --#define X1205_REG_MN 0x31 --#define X1205_REG_SC 0x30 --#define X1205_REG_DTR 0x13 --#define X1205_REG_ATR 0x12 --#define X1205_REG_INT 0x11 --#define X1205_REG_0 0x10 --#define X1205_REG_Y2K1 0x0F --#define X1205_REG_DWA1 0x0E --#define X1205_REG_YRA1 0x0D --#define X1205_REG_MOA1 0x0C --#define X1205_REG_DTA1 0x0B --#define X1205_REG_HRA1 0x0A --#define X1205_REG_MNA1 0x09 --#define X1205_REG_SCA1 0x08 --#define X1205_REG_Y2K0 0x07 --#define X1205_REG_DWA0 0x06 --#define X1205_REG_YRA0 0x05 --#define X1205_REG_MOA0 0x04 --#define X1205_REG_DTA0 0x03 --#define X1205_REG_HRA0 0x02 --#define X1205_REG_MNA0 0x01 --#define X1205_REG_SCA0 0x00 -- --#define X1205_CCR_BASE 0x30 /* Base address of CCR */ --#define X1205_ALM0_BASE 0x00 /* Base address of ALARM0 */ -- --#define X1205_SR_RTCF 0x01 /* Clock failure */ --#define X1205_SR_WEL 0x02 /* Write Enable Latch */ --#define X1205_SR_RWEL 0x04 /* Register Write Enable */ -- --#define X1205_DTR_DTR0 0x01 --#define X1205_DTR_DTR1 0x02 --#define X1205_DTR_DTR2 0x04 -- --#define X1205_HR_MIL 0x80 /* Set in ccr.hour for 24 hr mode */ -- --/* Prototypes */ --static int x1205_attach(struct i2c_adapter *adapter); --static int x1205_detach(struct i2c_client *client); --static int x1205_probe(struct i2c_adapter *adapter, int address, int kind); --static int x1205_command(struct i2c_client *client, unsigned int cmd, -- void *arg); -- --static struct i2c_driver x1205_driver = { -- .driver = { -- .name = "x1205", -- }, -- .attach_adapter = &x1205_attach, -- .detach_client = &x1205_detach, --}; -- --struct x1205_data { -- struct i2c_client client; -- struct list_head list; -- unsigned int epoch; --}; -- --static const unsigned char days_in_mo[] = -- { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; -- --static LIST_HEAD(x1205_clients); -- --/* Workaround until the I2C subsytem will allow to send -- * commands to a specific client. This function will send the command -- * to the first client. -- */ --int x1205_do_command(unsigned int cmd, void *arg) --{ -- struct list_head *walk; -- struct list_head *tmp; -- struct x1205_data *data; -- -- list_for_each_safe(walk, tmp, &x1205_clients) { -- data = list_entry(walk, struct x1205_data, list); -- return x1205_command(&data->client, cmd, arg); -- } -- -- return -ENODEV; --} -- --#define is_leap(year) \ -- ((year) % 4 == 0 && ((year) % 100 != 0 || (year) % 400 == 0)) -- --/* make sure the rtc_time values are in bounds */ --static int x1205_validate_tm(struct rtc_time *tm) --{ -- int year = tm->tm_year + 1900; -- -- if ((tm->tm_year < 70) || (tm->tm_year > 255)) -- return -EINVAL; -- -- if ((tm->tm_mon > 11) || (tm->tm_mday == 0)) -- return -EINVAL; -- -- if (tm->tm_mday > days_in_mo[tm->tm_mon] -- + ((tm->tm_mon == 1) && is_leap(year))) -- return -EINVAL; -- -- if ((tm->tm_hour >= 24) || (tm->tm_min >= 60) || (tm->tm_sec >= 60)) -- return -EINVAL; -- -- return 0; --} -- --/* -- * In the routines that deal directly with the x1205 hardware, we use -- * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch -- * Epoch is initialized as 2000. Time is set to UTC. -- */ --static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm, -- u8 reg_base) --{ -- unsigned char dt_addr[2] = { 0, reg_base }; -- static unsigned char sr_addr[2] = { 0, X1205_REG_SR }; -- -- unsigned char buf[8], sr; -- -- struct i2c_msg msgs[] = { -- { client->addr, 0, 2, sr_addr }, /* setup read ptr */ -- { client->addr, I2C_M_RD, 1, &sr }, /* read status */ -- { client->addr, 0, 2, dt_addr }, /* setup read ptr */ -- { client->addr, I2C_M_RD, 8, buf }, /* read date */ -- }; -- -- struct x1205_data *data = i2c_get_clientdata(client); -- -- /* read status register */ -- if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { -- dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -- return -EIO; -- } -- -- /* check for battery failure */ -- if (sr & X1205_SR_RTCF) { -- dev_warn(&client->dev, -- "Clock had a power failure, you must set the date.\n"); -- return -EINVAL; -- } -- -- /* read date registers */ -- if ((i2c_transfer(client->adapter, &msgs[2], 2)) != 2) { -- dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -- return -EIO; -- } -- -- dev_dbg(&client->dev, -- "%s: raw read data - sec=%02x, min=%02x, hr=%02x, " -- "mday=%02x, mon=%02x, year=%02x, wday=%02x, y2k=%02x\n", -- __FUNCTION__, -- buf[0], buf[1], buf[2], buf[3], -- buf[4], buf[5], buf[6], buf[7]); -- -- tm->tm_sec = BCD2BIN(buf[CCR_SEC]); -- tm->tm_min = BCD2BIN(buf[CCR_MIN]); -- tm->tm_hour = BCD2BIN(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */ -- tm->tm_mday = BCD2BIN(buf[CCR_MDAY]); -- tm->tm_mon = BCD2BIN(buf[CCR_MONTH]); -- data->epoch = BCD2BIN(buf[CCR_Y2K]) * 100; -- tm->tm_year = BCD2BIN(buf[CCR_YEAR]) + data->epoch - 1900; -- tm->tm_wday = buf[CCR_WDAY]; -- -- dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, " -- "mday=%d, mon=%d, year=%d, wday=%d\n", -- __FUNCTION__, -- tm->tm_sec, tm->tm_min, tm->tm_hour, -- tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -- -- return 0; --} -- --static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm, -- int datetoo, u8 reg_base) --{ -- int i, err, xfer; -- -- unsigned char buf[8]; -- -- static const unsigned char wel[3] = { 0, X1205_REG_SR, -- X1205_SR_WEL }; -- -- static const unsigned char rwel[3] = { 0, X1205_REG_SR, -- X1205_SR_WEL | X1205_SR_RWEL }; -- -- static const unsigned char diswe[3] = { 0, X1205_REG_SR, 0 }; -- -- struct x1205_data *data = i2c_get_clientdata(client); -- -- /* check if all values in the tm struct are correct */ -- if ((err = x1205_validate_tm(tm)) < 0) -- return err; -- -- dev_dbg(&client->dev, "%s: secs=%d, mins=%d, hours=%d, " -- "mday=%d, mon=%d, year=%d, wday=%d\n", -- __FUNCTION__, -- tm->tm_sec, tm->tm_min, tm->tm_hour, -- tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -- -- buf[CCR_SEC] = BIN2BCD(tm->tm_sec); -- buf[CCR_MIN] = BIN2BCD(tm->tm_min); -- -- /* set hour and 24hr bit */ -- buf[CCR_HOUR] = BIN2BCD(tm->tm_hour) | X1205_HR_MIL; -- -- /* should we also set the date? */ -- if (datetoo) { -- buf[CCR_MDAY] = BIN2BCD(tm->tm_mday); -- -- /* month, 0 - 11 */ -- buf[CCR_MONTH] = BIN2BCD(tm->tm_mon); -- -- /* year, since 1900 */ -- buf[CCR_YEAR] = BIN2BCD(tm->tm_year + 1900 - data->epoch); -- buf[CCR_WDAY] = tm->tm_wday & 0x07; -- buf[CCR_Y2K] = BIN2BCD(data->epoch / 100); -- } -- -- /* this sequence is required to unlock the chip */ -- xfer = i2c_master_send(client, wel, 3); -- if (xfer != 3) { -- dev_err(&client->dev, "%s: wel - %d\n", __FUNCTION__, xfer); -- return -EIO; -- } -- -- xfer = i2c_master_send(client, rwel, 3); -- if (xfer != 3) { -- dev_err(&client->dev, "%s: rwel - %d\n", __FUNCTION__, xfer); -- return -EIO; -- } -- -- /* write register's data */ -- for (i = 0; i < (datetoo ? 8 : 3); i++) { -- unsigned char rdata[3] = { 0, reg_base + i, buf[i] }; -- -- xfer = i2c_master_send(client, rdata, 3); -- if (xfer != 3) { -- dev_err(&client->dev, -- "%s: xfer=%d addr=%02x, data=%02x\n", -- __FUNCTION__, -- xfer, rdata[1], rdata[2]); -- return -EIO; -- } -- }; -- -- /* disable further writes */ -- xfer = i2c_master_send(client, diswe, 3); -- if (xfer != 3) { -- dev_err(&client->dev, "%s: diswe - %d\n", __FUNCTION__, xfer); -- return -EIO; -- } -- -- return 0; --} -- --static int x1205_get_dtrim(struct i2c_client *client, int *trim) --{ -- unsigned char dtr; -- static unsigned char dtr_addr[2] = { 0, X1205_REG_DTR }; -- -- struct i2c_msg msgs[] = { -- { client->addr, 0, 2, dtr_addr }, /* setup read ptr */ -- { client->addr, I2C_M_RD, 1, &dtr }, /* read dtr */ -- }; -- -- /* read dtr register */ -- if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { -- dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -- return -EIO; -- } -- -- dev_dbg(&client->dev, "%s: raw dtr=%x\n", __FUNCTION__, dtr); -- -- *trim = 0; -- -- if (dtr & X1205_DTR_DTR0) -- *trim += 20; -- -- if (dtr & X1205_DTR_DTR1) -- *trim += 10; -- -- if (dtr & X1205_DTR_DTR2) -- *trim = -*trim; -- -- return 0; --} -- --static int x1205_get_atrim(struct i2c_client *client, int *trim) --{ -- s8 atr; -- static unsigned char atr_addr[2] = { 0, X1205_REG_ATR }; -- -- struct i2c_msg msgs[] = { -- { client->addr, 0, 2, atr_addr }, /* setup read ptr */ -- { client->addr, I2C_M_RD, 1, &atr }, /* read atr */ -- }; -- -- /* read atr register */ -- if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { -- dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -- return -EIO; -- } -- -- dev_dbg(&client->dev, "%s: raw atr=%x\n", __FUNCTION__, atr); -- -- /* atr is a two's complement value on 6 bits, -- * perform sign extension. The formula is -- * Catr = (atr * 0.25pF) + 11.00pF. -- */ -- if (atr & 0x20) -- atr |= 0xC0; -- -- dev_dbg(&client->dev, "%s: raw atr=%x (%d)\n", __FUNCTION__, atr, atr); -- -- *trim = (atr * 250) + 11000; -- -- dev_dbg(&client->dev, "%s: real=%d\n", __FUNCTION__, *trim); -- -- return 0; --} -- --static int x1205_hctosys(struct i2c_client *client) --{ -- int err; -- -- struct rtc_time tm; -- struct timespec tv; -- -- err = x1205_command(client, X1205_CMD_GETDATETIME, &tm); -- -- if (err) { -- dev_err(&client->dev, -- "Unable to set the system clock\n"); -- return err; -- } -- -- /* IMPORTANT: the RTC only stores whole seconds. It is arbitrary -- * whether it stores the most close value or the value with partial -- * seconds truncated. However, it is important that we use it to store -- * the truncated value. This is because otherwise it is necessary, -- * in an rtc sync function, to read both xtime.tv_sec and -- * xtime.tv_nsec. On some processors (i.e. ARM), an atomic read -- * of >32bits is not possible. So storing the most close value would -- * slow down the sync API. So here we have the truncated value and -- * the best guess is to add 0.5s. -- */ -- -- tv.tv_nsec = NSEC_PER_SEC >> 1; -- -- /* WARNING: this is not the C library 'mktime' call, it is a built in -- * inline function from include/linux/time.h. It expects (requires) -- * the month to be in the range 1-12 -- */ -- -- tv.tv_sec = mktime(tm.tm_year + 1900, tm.tm_mon + 1, -- tm.tm_mday, tm.tm_hour, -- tm.tm_min, tm.tm_sec); -- -- do_settimeofday(&tv); -- -- dev_info(&client->dev, -- "setting the system clock to %d-%d-%d %d:%d:%d\n", -- tm.tm_year + 1900, tm.tm_mon + 1, -- tm.tm_mday, tm.tm_hour, tm.tm_min, -- tm.tm_sec); -- -- return 0; --} -- --struct x1205_limit --{ -- unsigned char reg; -- unsigned char mask; -- unsigned char min; -- unsigned char max; --}; -- --static int x1205_validate_client(struct i2c_client *client) --{ -- int i, xfer; -- -- /* Probe array. We will read the register at the specified -- * address and check if the given bits are zero. -- */ -- static const unsigned char probe_zero_pattern[] = { -- /* register, mask */ -- X1205_REG_SR, 0x18, -- X1205_REG_DTR, 0xF8, -- X1205_REG_ATR, 0xC0, -- X1205_REG_INT, 0x18, -- X1205_REG_0, 0xFF, -- }; -- -- static const struct x1205_limit probe_limits_pattern[] = { -- /* register, mask, min, max */ -- { X1205_REG_Y2K, 0xFF, 19, 20 }, -- { X1205_REG_DW, 0xFF, 0, 6 }, -- { X1205_REG_YR, 0xFF, 0, 99 }, -- { X1205_REG_MO, 0xFF, 0, 12 }, -- { X1205_REG_DT, 0xFF, 0, 31 }, -- { X1205_REG_HR, 0x7F, 0, 23 }, -- { X1205_REG_MN, 0xFF, 0, 59 }, -- { X1205_REG_SC, 0xFF, 0, 59 }, -- { X1205_REG_Y2K1, 0xFF, 19, 20 }, -- { X1205_REG_Y2K0, 0xFF, 19, 20 }, -- }; -- -- /* check that registers have bits a 0 where expected */ -- for (i = 0; i < ARRAY_SIZE(probe_zero_pattern); i += 2) { -- unsigned char buf; -- -- unsigned char addr[2] = { 0, probe_zero_pattern[i] }; -- -- struct i2c_msg msgs[2] = { -- { client->addr, 0, 2, addr }, -- { client->addr, I2C_M_RD, 1, &buf }, -- }; -- -- xfer = i2c_transfer(client->adapter, msgs, 2); -- if (xfer != 2) { -- dev_err(&client->adapter->dev, -- "%s: could not read register %x\n", -- __FUNCTION__, addr[1]); -- -- return -EIO; -- } -- -- if ((buf & probe_zero_pattern[i+1]) != 0) { -- dev_err(&client->adapter->dev, -- "%s: register=%02x, zero pattern=%d, value=%x\n", -- __FUNCTION__, addr[1], i, buf); -- -- return -ENODEV; -- } -- } -- -- /* check limits (only registers with bcd values) */ -- for (i = 0; i < ARRAY_SIZE(probe_limits_pattern); i++) { -- unsigned char reg, value; -- -- unsigned char addr[2] = { 0, probe_limits_pattern[i].reg }; -- -- struct i2c_msg msgs[2] = { -- { client->addr, 0, 2, addr }, -- { client->addr, I2C_M_RD, 1, ® }, -- }; -- -- xfer = i2c_transfer(client->adapter, msgs, 2); -- -- if (xfer != 2) { -- dev_err(&client->adapter->dev, -- "%s: could not read register %x\n", -- __FUNCTION__, addr[1]); -- -- return -EIO; -- } -- -- value = BCD2BIN(reg & probe_limits_pattern[i].mask); -- -- if (value > probe_limits_pattern[i].max || -- value < probe_limits_pattern[i].min) { -- dev_dbg(&client->adapter->dev, -- "%s: register=%x, lim pattern=%d, value=%d\n", -- __FUNCTION__, addr[1], i, value); -- -- return -ENODEV; -- } -- } -- -- return 0; --} -- --static int x1205_attach(struct i2c_adapter *adapter) --{ -- dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); -- -- return i2c_probe(adapter, &addr_data, x1205_probe); --} -- --int x1205_direct_attach(int adapter_id, -- struct i2c_client_address_data *address_data) --{ -- int err; -- struct i2c_adapter *adapter = i2c_get_adapter(adapter_id); -- -- if (adapter) { -- err = i2c_probe(adapter, -- address_data, x1205_probe); -- -- i2c_put_adapter(adapter); -- -- return err; -- } -- -- return -ENODEV; --} -- --static int x1205_probe(struct i2c_adapter *adapter, int address, int kind) --{ -- struct i2c_client *client; -- struct x1205_data *data; -- -- int err = 0; -- -- dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); -- -- if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { -- err = -ENODEV; -- goto exit; -- } -- -- if (!(data = kzalloc(sizeof(struct x1205_data), GFP_KERNEL))) { -- err = -ENOMEM; -- goto exit; -- } -- -- /* Initialize our structures */ -- data->epoch = 2000; -- -- client = &data->client; -- client->addr = address; -- client->driver = &x1205_driver; -- client->adapter = adapter; -- -- strlcpy(client->name, "x1205", I2C_NAME_SIZE); -- -- i2c_set_clientdata(client, data); -- -- /* Verify the chip is really an X1205 */ -- if (kind < 0) { -- if (x1205_validate_client(client) < 0) { -- err = -ENODEV; -- goto exit_kfree; -- } -- } -- -- /* Inform the i2c layer */ -- if ((err = i2c_attach_client(client))) -- goto exit_kfree; -- -- list_add(&data->list, &x1205_clients); -- -- dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); -- -- /* If requested, set the system time */ -- if (hctosys) -- x1205_hctosys(client); -- -- return 0; -- --exit_kfree: -- kfree(data); -- --exit: -- return err; --} -- --static int x1205_detach(struct i2c_client *client) --{ -- int err; -- struct x1205_data *data = i2c_get_clientdata(client); -- -- dev_dbg(&client->dev, "%s\n", __FUNCTION__); -- -- if ((err = i2c_detach_client(client))) -- return err; -- -- list_del(&data->list); -- -- kfree(data); -- -- return 0; --} -- --static int x1205_command(struct i2c_client *client, unsigned int cmd, -- void *param) --{ -- if (param == NULL) -- return -EINVAL; -- -- if (!capable(CAP_SYS_TIME)) -- return -EACCES; -- -- dev_dbg(&client->dev, "%s: cmd=%d\n", __FUNCTION__, cmd); -- -- switch (cmd) { -- case X1205_CMD_GETDATETIME: -- return x1205_get_datetime(client, param, X1205_CCR_BASE); -- -- case X1205_CMD_SETTIME: -- return x1205_set_datetime(client, param, 0, -- X1205_CCR_BASE); -- -- case X1205_CMD_SETDATETIME: -- return x1205_set_datetime(client, param, 1, -- X1205_CCR_BASE); -- -- case X1205_CMD_GETALARM: -- return x1205_get_datetime(client, param, X1205_ALM0_BASE); -- -- case X1205_CMD_SETALARM: -- return x1205_set_datetime(client, param, 1, -- X1205_ALM0_BASE); -- -- case X1205_CMD_GETDTRIM: -- return x1205_get_dtrim(client, param); -- -- case X1205_CMD_GETATRIM: -- return x1205_get_atrim(client, param); -- -- default: -- return -EINVAL; -- } --} -- --static int __init x1205_init(void) --{ -- return i2c_add_driver(&x1205_driver); --} -- --static void __exit x1205_exit(void) --{ -- i2c_del_driver(&x1205_driver); --} -- --MODULE_AUTHOR( -- "Karen Spearel <kas11@tampabay.rr.com>, " -- "Alessandro Zummo <a.zummo@towertech.it>"); --MODULE_DESCRIPTION("Xicor X1205 RTC driver"); --MODULE_LICENSE("GPL"); --MODULE_VERSION(DRV_VERSION); -- --EXPORT_SYMBOL_GPL(x1205_do_command); --EXPORT_SYMBOL_GPL(x1205_direct_attach); -- --module_init(x1205_init); --module_exit(x1205_exit); ---- linux-ixp4xx.orig/drivers/i2c/chips/Makefile 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/drivers/i2c/chips/Makefile 2006-03-08 01:59:26.000000000 +0100 -@@ -10,10 +10,8 @@ obj-$(CONFIG_SENSORS_M41T00) += m41t00.o - obj-$(CONFIG_SENSORS_PCA9539) += pca9539.o - obj-$(CONFIG_SENSORS_PCF8574) += pcf8574.o - obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o --obj-$(CONFIG_SENSORS_RTC8564) += rtc8564.o - obj-$(CONFIG_ISP1301_OMAP) += isp1301_omap.o - obj-$(CONFIG_TPS65010) += tps65010.o --obj-$(CONFIG_RTC_X1205_I2C) += x1205.o - - ifeq ($(CONFIG_I2C_DEBUG_CHIP),y) - EXTRA_CFLAGS += -DDEBUG ---- linux-ixp4xx.orig/drivers/i2c/chips/rtc8564.c 2006-03-08 01:59:09.000000000 +0100 -+++ /dev/null 1970-01-01 00:00:00.000000000 +0000 -@@ -1,385 +0,0 @@ --/* -- * linux/drivers/i2c/chips/rtc8564.c -- * -- * Copyright (C) 2002-2004 Stefan Eletzhofer -- * -- * based on linux/drivers/acron/char/pcf8583.c -- * Copyright (C) 2000 Russell King -- * -- * This program is free software; you can redistribute it and/or modify -- * it under the terms of the GNU General Public License version 2 as -- * published by the Free Software Foundation. -- * -- * Driver for system3's EPSON RTC 8564 chip -- */ --#include <linux/module.h> --#include <linux/kernel.h> --#include <linux/bcd.h> --#include <linux/i2c.h> --#include <linux/slab.h> --#include <linux/string.h> --#include <linux/rtc.h> /* get the user-level API */ --#include <linux/init.h> -- --#include "rtc8564.h" -- --#ifdef DEBUG --# define _DBG(x, fmt, args...) do{ if (debug>=x) printk(KERN_DEBUG"%s: " fmt "\n", __FUNCTION__, ##args); } while(0); --#else --# define _DBG(x, fmt, args...) do { } while(0); --#endif -- --#define _DBGRTCTM(x, rtctm) if (debug>=x) printk("%s: secs=%d, mins=%d, hours=%d, mday=%d, " \ -- "mon=%d, year=%d, wday=%d VL=%d\n", __FUNCTION__, \ -- (rtctm).secs, (rtctm).mins, (rtctm).hours, (rtctm).mday, \ -- (rtctm).mon, (rtctm).year, (rtctm).wday, (rtctm).vl); -- --struct rtc8564_data { -- struct i2c_client client; -- u16 ctrl; --}; -- --static inline u8 _rtc8564_ctrl1(struct i2c_client *client) --{ -- struct rtc8564_data *data = i2c_get_clientdata(client); -- return data->ctrl & 0xff; --} --static inline u8 _rtc8564_ctrl2(struct i2c_client *client) --{ -- struct rtc8564_data *data = i2c_get_clientdata(client); -- return (data->ctrl & 0xff00) >> 8; --} -- --#define CTRL1(c) _rtc8564_ctrl1(c) --#define CTRL2(c) _rtc8564_ctrl2(c) -- --static int debug;; --module_param(debug, int, S_IRUGO | S_IWUSR); -- --static struct i2c_driver rtc8564_driver; -- --static unsigned short ignore[] = { I2C_CLIENT_END }; --static unsigned short normal_addr[] = { 0x51, I2C_CLIENT_END }; -- --static struct i2c_client_address_data addr_data = { -- .normal_i2c = normal_addr, -- .probe = ignore, -- .ignore = ignore, --}; -- --static int rtc8564_read_mem(struct i2c_client *client, struct mem *mem); --static int rtc8564_write_mem(struct i2c_client *client, struct mem *mem); -- --static int rtc8564_read(struct i2c_client *client, unsigned char adr, -- unsigned char *buf, unsigned char len) --{ -- int ret = -EIO; -- unsigned char addr[1] = { adr }; -- struct i2c_msg msgs[2] = { -- {client->addr, 0, 1, addr}, -- {client->addr, I2C_M_RD, len, buf} -- }; -- -- _DBG(1, "client=%p, adr=%d, buf=%p, len=%d", client, adr, buf, len); -- -- if (!buf) { -- ret = -EINVAL; -- goto done; -- } -- -- ret = i2c_transfer(client->adapter, msgs, 2); -- if (ret == 2) { -- ret = 0; -- } -- --done: -- return ret; --} -- --static int rtc8564_write(struct i2c_client *client, unsigned char adr, -- unsigned char *data, unsigned char len) --{ -- int ret = 0; -- unsigned char _data[16]; -- struct i2c_msg wr; -- int i; -- -- if (!data || len > 15) { -- ret = -EINVAL; -- goto done; -- } -- -- _DBG(1, "client=%p, adr=%d, buf=%p, len=%d", client, adr, data, len); -- -- _data[0] = adr; -- for (i = 0; i < len; i++) { -- _data[i + 1] = data[i]; -- _DBG(5, "data[%d] = 0x%02x (%d)", i, data[i], data[i]); -- } -- -- wr.addr = client->addr; -- wr.flags = 0; -- wr.len = len + 1; -- wr.buf = _data; -- -- ret = i2c_transfer(client->adapter, &wr, 1); -- if (ret == 1) { -- ret = 0; -- } -- --done: -- return ret; --} -- --static int rtc8564_attach(struct i2c_adapter *adap, int addr, int kind) --{ -- int ret; -- struct i2c_client *new_client; -- struct rtc8564_data *d; -- unsigned char data[10]; -- unsigned char ad[1] = { 0 }; -- struct i2c_msg ctrl_wr[1] = { -- {addr, 0, 2, data} -- }; -- struct i2c_msg ctrl_rd[2] = { -- {addr, 0, 1, ad}, -- {addr, I2C_M_RD, 2, data} -- }; -- -- d = kzalloc(sizeof(struct rtc8564_data), GFP_KERNEL); -- if (!d) { -- ret = -ENOMEM; -- goto done; -- } -- new_client = &d->client; -- -- strlcpy(new_client->name, "RTC8564", I2C_NAME_SIZE); -- i2c_set_clientdata(new_client, d); -- new_client->addr = addr; -- new_client->adapter = adap; -- new_client->driver = &rtc8564_driver; -- -- _DBG(1, "client=%p", new_client); -- -- /* init ctrl1 reg */ -- data[0] = 0; -- data[1] = 0; -- ret = i2c_transfer(new_client->adapter, ctrl_wr, 1); -- if (ret != 1) { -- printk(KERN_INFO "rtc8564: cant init ctrl1\n"); -- ret = -ENODEV; -- goto done; -- } -- -- /* read back ctrl1 and ctrl2 */ -- ret = i2c_transfer(new_client->adapter, ctrl_rd, 2); -- if (ret != 2) { -- printk(KERN_INFO "rtc8564: cant read ctrl\n"); -- ret = -ENODEV; -- goto done; -- } -- -- d->ctrl = data[0] | (data[1] << 8); -- -- _DBG(1, "RTC8564_REG_CTRL1=%02x, RTC8564_REG_CTRL2=%02x", -- data[0], data[1]); -- -- ret = i2c_attach_client(new_client); --done: -- if (ret) { -- kfree(d); -- } -- return ret; --} -- --static int rtc8564_probe(struct i2c_adapter *adap) --{ -- return i2c_probe(adap, &addr_data, rtc8564_attach); --} -- --static int rtc8564_detach(struct i2c_client *client) --{ -- i2c_detach_client(client); -- kfree(i2c_get_clientdata(client)); -- return 0; --} -- --static int rtc8564_get_datetime(struct i2c_client *client, struct rtc_tm *dt) --{ -- int ret = -EIO; -- unsigned char buf[15]; -- -- _DBG(1, "client=%p, dt=%p", client, dt); -- -- if (!dt) -- return -EINVAL; -- -- memset(buf, 0, sizeof(buf)); -- -- ret = rtc8564_read(client, 0, buf, 15); -- if (ret) -- return ret; -- -- /* century stored in minute alarm reg */ -- dt->year = BCD2BIN(buf[RTC8564_REG_YEAR]); -- dt->year += 100 * BCD2BIN(buf[RTC8564_REG_AL_MIN] & 0x3f); -- dt->mday = BCD2BIN(buf[RTC8564_REG_DAY] & 0x3f); -- dt->wday = BCD2BIN(buf[RTC8564_REG_WDAY] & 7); -- dt->mon = BCD2BIN(buf[RTC8564_REG_MON_CENT] & 0x1f); -- -- dt->secs = BCD2BIN(buf[RTC8564_REG_SEC] & 0x7f); -- dt->vl = (buf[RTC8564_REG_SEC] & 0x80) == 0x80; -- dt->mins = BCD2BIN(buf[RTC8564_REG_MIN] & 0x7f); -- dt->hours = BCD2BIN(buf[RTC8564_REG_HR] & 0x3f); -- -- _DBGRTCTM(2, *dt); -- -- return 0; --} -- --static int --rtc8564_set_datetime(struct i2c_client *client, struct rtc_tm *dt, int datetoo) --{ -- int ret, len = 5; -- unsigned char buf[15]; -- -- _DBG(1, "client=%p, dt=%p", client, dt); -- -- if (!dt) -- return -EINVAL; -- -- _DBGRTCTM(2, *dt); -- -- buf[RTC8564_REG_CTRL1] = CTRL1(client) | RTC8564_CTRL1_STOP; -- buf[RTC8564_REG_CTRL2] = CTRL2(client); -- buf[RTC8564_REG_SEC] = BIN2BCD(dt->secs); -- buf[RTC8564_REG_MIN] = BIN2BCD(dt->mins); -- buf[RTC8564_REG_HR] = BIN2BCD(dt->hours); -- -- if (datetoo) { -- len += 5; -- buf[RTC8564_REG_DAY] = BIN2BCD(dt->mday); -- buf[RTC8564_REG_WDAY] = BIN2BCD(dt->wday); -- buf[RTC8564_REG_MON_CENT] = BIN2BCD(dt->mon) & 0x1f; -- /* century stored in minute alarm reg */ -- buf[RTC8564_REG_YEAR] = BIN2BCD(dt->year % 100); -- buf[RTC8564_REG_AL_MIN] = BIN2BCD(dt->year / 100); -- } -- -- ret = rtc8564_write(client, 0, buf, len); -- if (ret) { -- _DBG(1, "error writing data! %d", ret); -- } -- -- buf[RTC8564_REG_CTRL1] = CTRL1(client); -- ret = rtc8564_write(client, 0, buf, 1); -- if (ret) { -- _DBG(1, "error writing data! %d", ret); -- } -- -- return ret; --} -- --static int rtc8564_get_ctrl(struct i2c_client *client, unsigned int *ctrl) --{ -- struct rtc8564_data *data = i2c_get_clientdata(client); -- -- if (!ctrl) -- return -1; -- -- *ctrl = data->ctrl; -- return 0; --} -- --static int rtc8564_set_ctrl(struct i2c_client *client, unsigned int *ctrl) --{ -- struct rtc8564_data *data = i2c_get_clientdata(client); -- unsigned char buf[2]; -- -- if (!ctrl) -- return -1; -- -- buf[0] = *ctrl & 0xff; -- buf[1] = (*ctrl & 0xff00) >> 8; -- data->ctrl = *ctrl; -- -- return rtc8564_write(client, 0, buf, 2); --} -- --static int rtc8564_read_mem(struct i2c_client *client, struct mem *mem) --{ -- -- if (!mem) -- return -EINVAL; -- -- return rtc8564_read(client, mem->loc, mem->data, mem->nr); --} -- --static int rtc8564_write_mem(struct i2c_client *client, struct mem *mem) --{ -- -- if (!mem) -- return -EINVAL; -- -- return rtc8564_write(client, mem->loc, mem->data, mem->nr); --} -- --static int --rtc8564_command(struct i2c_client *client, unsigned int cmd, void *arg) --{ -- -- _DBG(1, "cmd=%d", cmd); -- -- switch (cmd) { -- case RTC_GETDATETIME: -- return rtc8564_get_datetime(client, arg); -- -- case RTC_SETTIME: -- return rtc8564_set_datetime(client, arg, 0); -- -- case RTC_SETDATETIME: -- return rtc8564_set_datetime(client, arg, 1); -- -- case RTC_GETCTRL: -- return rtc8564_get_ctrl(client, arg); -- -- case RTC_SETCTRL: -- return rtc8564_set_ctrl(client, arg); -- -- case MEM_READ: -- return rtc8564_read_mem(client, arg); -- -- case MEM_WRITE: -- return rtc8564_write_mem(client, arg); -- -- default: -- return -EINVAL; -- } --} -- --static struct i2c_driver rtc8564_driver = { -- .driver = { -- .name = "RTC8564", -- }, -- .id = I2C_DRIVERID_RTC8564, -- .attach_adapter = rtc8564_probe, -- .detach_client = rtc8564_detach, -- .command = rtc8564_command --}; -- --static __init int rtc8564_init(void) --{ -- return i2c_add_driver(&rtc8564_driver); --} -- --static __exit void rtc8564_exit(void) --{ -- i2c_del_driver(&rtc8564_driver); --} -- --MODULE_AUTHOR("Stefan Eletzhofer <Stefan.Eletzhofer@eletztrick.de>"); --MODULE_DESCRIPTION("EPSON RTC8564 Driver"); --MODULE_LICENSE("GPL"); -- --module_init(rtc8564_init); --module_exit(rtc8564_exit); ---- linux-ixp4xx.orig/drivers/i2c/chips/rtc8564.h 2006-03-08 01:59:09.000000000 +0100 -+++ /dev/null 1970-01-01 00:00:00.000000000 +0000 -@@ -1,78 +0,0 @@ --/* -- * linux/drivers/i2c/chips/rtc8564.h -- * -- * Copyright (C) 2002-2004 Stefan Eletzhofer -- * -- * based on linux/drivers/acron/char/pcf8583.h -- * Copyright (C) 2000 Russell King -- * -- * This program is free software; you can redistribute it and/or modify -- * it under the terms of the GNU General Public License version 2 as -- * published by the Free Software Foundation. -- */ --struct rtc_tm { -- unsigned char secs; -- unsigned char mins; -- unsigned char hours; -- unsigned char mday; -- unsigned char mon; -- unsigned short year; /* xxxx 4 digits :) */ -- unsigned char wday; -- unsigned char vl; --}; -- --struct mem { -- unsigned int loc; -- unsigned int nr; -- unsigned char *data; --}; -- --#define RTC_GETDATETIME 0 --#define RTC_SETTIME 1 --#define RTC_SETDATETIME 2 --#define RTC_GETCTRL 3 --#define RTC_SETCTRL 4 --#define MEM_READ 5 --#define MEM_WRITE 6 -- --#define RTC8564_REG_CTRL1 0x0 /* T 0 S 0 | T 0 0 0 */ --#define RTC8564_REG_CTRL2 0x1 /* 0 0 0 TI/TP | AF TF AIE TIE */ --#define RTC8564_REG_SEC 0x2 /* VL 4 2 1 | 8 4 2 1 */ --#define RTC8564_REG_MIN 0x3 /* x 4 2 1 | 8 4 2 1 */ --#define RTC8564_REG_HR 0x4 /* x x 2 1 | 8 4 2 1 */ --#define RTC8564_REG_DAY 0x5 /* x x 2 1 | 8 4 2 1 */ --#define RTC8564_REG_WDAY 0x6 /* x x x x | x 4 2 1 */ --#define RTC8564_REG_MON_CENT 0x7 /* C x x 1 | 8 4 2 1 */ --#define RTC8564_REG_YEAR 0x8 /* 8 4 2 1 | 8 4 2 1 */ --#define RTC8564_REG_AL_MIN 0x9 /* AE 4 2 1 | 8 4 2 1 */ --#define RTC8564_REG_AL_HR 0xa /* AE 4 2 1 | 8 4 2 1 */ --#define RTC8564_REG_AL_DAY 0xb /* AE x 2 1 | 8 4 2 1 */ --#define RTC8564_REG_AL_WDAY 0xc /* AE x x x | x 4 2 1 */ --#define RTC8564_REG_CLKOUT 0xd /* FE x x x | x x FD1 FD0 */ --#define RTC8564_REG_TCTL 0xe /* TE x x x | x x FD1 FD0 */ --#define RTC8564_REG_TIMER 0xf /* 8 bit binary */ -- --/* Control reg */ --#define RTC8564_CTRL1_TEST1 (1<<3) --#define RTC8564_CTRL1_STOP (1<<5) --#define RTC8564_CTRL1_TEST2 (1<<7) -- --#define RTC8564_CTRL2_TIE (1<<0) --#define RTC8564_CTRL2_AIE (1<<1) --#define RTC8564_CTRL2_TF (1<<2) --#define RTC8564_CTRL2_AF (1<<3) --#define RTC8564_CTRL2_TI_TP (1<<4) -- --/* CLKOUT frequencies */ --#define RTC8564_FD_32768HZ (0x0) --#define RTC8564_FD_1024HZ (0x1) --#define RTC8564_FD_32 (0x2) --#define RTC8564_FD_1HZ (0x3) -- --/* Timer CTRL */ --#define RTC8564_TD_4096HZ (0x0) --#define RTC8564_TD_64HZ (0x1) --#define RTC8564_TD_1HZ (0x2) --#define RTC8564_TD_1_60HZ (0x3) -- --#define I2C_DRIVERID_RTC8564 0xf000 ---- linux-ixp4xx.orig/include/linux/x1205.h 2006-03-08 01:59:09.000000000 +0100 -+++ /dev/null 1970-01-01 00:00:00.000000000 +0000 -@@ -1,31 +0,0 @@ --/* -- * x1205.h - defines for drivers/i2c/chips/x1205.c -- * Copyright 2004 Karen Spearel -- * Copyright 2005 Alessandro Zummo -- * -- * 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. -- */ -- --#ifndef __LINUX_X1205_H__ --#define __LINUX_X1205_H__ -- --/* commands */ -- --#define X1205_CMD_GETDATETIME 0 --#define X1205_CMD_SETTIME 1 --#define X1205_CMD_SETDATETIME 2 --#define X1205_CMD_GETALARM 3 --#define X1205_CMD_SETALARM 4 --#define X1205_CMD_GETDTRIM 5 --#define X1205_CMD_SETDTRIM 6 --#define X1205_CMD_GETATRIM 7 --#define X1205_CMD_SETATRIM 8 -- --extern int x1205_do_command(unsigned int cmd, void *arg); --extern int x1205_direct_attach(int adapter_id, -- struct i2c_client_address_data *address_data); -- --#endif /* __LINUX_X1205_H__ */ ---- linux-ixp4xx.orig/drivers/i2c/chips/Kconfig 2006-03-08 01:59:09.000000000 +0100 -1+++ linux-ixp4xx/drivers/i2c/chips/Kconfig 2006-03-08 01:59:26.000000000 +0100 -@@ -74,15 +74,6 @@ config SENSORS_RTC8564 - This driver can also be built as a module. If so, the module - will be called pcf8591. - --config SENSORS_RTC8564 -- tristate "Epson 8564 RTC chip" -- depends on I2C && EXPERIMENTAL -- help -- If you say yes here you get support for the Epson 8564 RTC chip. -- -- This driver can also be built as a module. If so, the module -- will be called i2c-rtc8564. -- - config ISP1301_OMAP - tristate "Philips ISP1301 with OMAP OTG" - depends on I2C && ARCH_OMAP_OTG -@@ -144,13 +135,4 @@ config RTC_X1205_I2C - This driver can also be built as a module. If so, the module - will be called max6875. - --config RTC_X1205_I2C -- tristate "Xicor X1205 RTC chip" -- depends on I2C && EXPERIMENTAL -- help -- If you say yes here you get support for the Xicor X1205 RTC chip. -- -- This driver can also be built as a module. If so, the module -- will be called x1205. -- - endmenu ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-sysfs.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,124 @@ -+/* -+ * RTC subsystem, sysfs interface -+ * -+ * Copyright (C) 2005 Tower Technologies -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * 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; version 2 of the License. -+*/ -+ -+#include <linux/module.h> -+#include <linux/rtc.h> -+ -+/* device attributes */ -+ -+static ssize_t rtc_sysfs_show_name(struct class_device *dev, char *buf) -+{ -+ return sprintf(buf, "%s\n", to_rtc_device(dev)->name); -+} -+static CLASS_DEVICE_ATTR(name, S_IRUGO, rtc_sysfs_show_name, NULL); -+ -+static ssize_t rtc_sysfs_show_date(struct class_device *dev, char *buf) -+{ -+ ssize_t retval; -+ struct rtc_time tm; -+ -+ retval = rtc_read_time(dev, &tm); -+ if (retval == 0) { -+ retval = sprintf(buf, "%04d-%02d-%02d\n", -+ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); -+ } -+ -+ return retval; -+} -+static CLASS_DEVICE_ATTR(date, S_IRUGO, rtc_sysfs_show_date, NULL); -+ -+static ssize_t rtc_sysfs_show_time(struct class_device *dev, char *buf) -+{ -+ ssize_t retval; -+ struct rtc_time tm; -+ -+ retval = rtc_read_time(dev, &tm); -+ if (retval == 0) { -+ retval = sprintf(buf, "%02d:%02d:%02d\n", -+ tm.tm_hour, tm.tm_min, tm.tm_sec); -+ } -+ -+ return retval; -+} -+static CLASS_DEVICE_ATTR(time, S_IRUGO, rtc_sysfs_show_time, NULL); -+ -+static ssize_t rtc_sysfs_show_since_epoch(struct class_device *dev, char *buf) -+{ -+ ssize_t retval; -+ struct rtc_time tm; -+ -+ retval = rtc_read_time(dev, &tm); -+ if (retval == 0) { -+ unsigned long time; -+ rtc_tm_to_time(&tm, &time); -+ retval = sprintf(buf, "%lu\n", time); -+ } -+ -+ return retval; -+} -+static CLASS_DEVICE_ATTR(since_epoch, S_IRUGO, rtc_sysfs_show_since_epoch, NULL); -+ -+static struct attribute *rtc_attrs[] = { -+ &class_device_attr_name.attr, -+ &class_device_attr_date.attr, -+ &class_device_attr_time.attr, -+ &class_device_attr_since_epoch.attr, -+ NULL, -+}; -+ -+static struct attribute_group rtc_attr_group = { -+ .attrs = rtc_attrs, -+}; -+ -+static int __devinit rtc_sysfs_add_device(struct class_device *class_dev, -+ struct class_interface *class_intf) -+{ -+ int err; -+ -+ dev_info(class_dev->dev, "rtc intf: sysfs\n"); -+ -+ err = sysfs_create_group(&class_dev->kobj, &rtc_attr_group); -+ if (err) -+ dev_err(class_dev->dev, -+ "failed to create sysfs attributes\n"); -+ -+ return err; -+} -+ -+static void rtc_sysfs_remove_device(struct class_device *class_dev, -+ struct class_interface *class_intf) -+{ -+ sysfs_remove_group(&class_dev->kobj, &rtc_attr_group); -+} -+ -+/* interface registration */ -+ -+static struct class_interface rtc_sysfs_interface = { -+ .add = &rtc_sysfs_add_device, -+ .remove = &rtc_sysfs_remove_device, -+}; -+ -+static int __init rtc_sysfs_init(void) -+{ -+ return rtc_interface_register(&rtc_sysfs_interface); -+} -+ -+static void __exit rtc_sysfs_exit(void) -+{ -+ class_interface_unregister(&rtc_sysfs_interface); -+} -+ -+module_init(rtc_sysfs_init); -+module_exit(rtc_sysfs_exit); -+ -+MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("RTC class sysfs interface"); -+MODULE_LICENSE("GPL"); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-proc.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,162 @@ -+/* -+ * RTC subsystem, proc interface -+ * -+ * Copyright (C) 2005-06 Tower Technologies -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * based on arch/arm/common/rtctime.c -+ * -+ * 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; version 2 of the License. -+*/ -+ -+#include <linux/module.h> -+#include <linux/rtc.h> -+#include <linux/proc_fs.h> -+#include <linux/seq_file.h> -+ -+static struct class_device *rtc_dev = NULL; -+static DEFINE_MUTEX(rtc_lock); -+ -+static int rtc_proc_show(struct seq_file *seq, void *offset) -+{ -+ int err; -+ struct class_device *class_dev = seq->private; -+ struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops; -+ struct rtc_wkalrm alrm; -+ struct rtc_time tm; -+ -+ err = rtc_read_time(class_dev, &tm); -+ if (err == 0) { -+ seq_printf(seq, -+ "rtc_time\t: %02d:%02d:%02d\n" -+ "rtc_date\t: %04d-%02d-%02d\n", -+ tm.tm_hour, tm.tm_min, tm.tm_sec, -+ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); -+ } -+ -+ err = rtc_read_alarm(class_dev, &alrm); -+ if (err == 0) { -+ seq_printf(seq, "alrm_time\t: "); -+ if ((unsigned int)alrm.time.tm_hour <= 24) -+ seq_printf(seq, "%02d:", alrm.time.tm_hour); -+ else -+ seq_printf(seq, "**:"); -+ if ((unsigned int)alrm.time.tm_min <= 59) -+ seq_printf(seq, "%02d:", alrm.time.tm_min); -+ else -+ seq_printf(seq, "**:"); -+ if ((unsigned int)alrm.time.tm_sec <= 59) -+ seq_printf(seq, "%02d\n", alrm.time.tm_sec); -+ else -+ seq_printf(seq, "**\n"); -+ -+ seq_printf(seq, "alrm_date\t: "); -+ if ((unsigned int)alrm.time.tm_year <= 200) -+ seq_printf(seq, "%04d-", alrm.time.tm_year + 1900); -+ else -+ seq_printf(seq, "****-"); -+ if ((unsigned int)alrm.time.tm_mon <= 11) -+ seq_printf(seq, "%02d-", alrm.time.tm_mon + 1); -+ else -+ seq_printf(seq, "**-"); -+ if ((unsigned int)alrm.time.tm_mday <= 31) -+ seq_printf(seq, "%02d\n", alrm.time.tm_mday); -+ else -+ seq_printf(seq, "**\n"); -+ seq_printf(seq, "alrm_wakeup\t: %s\n", -+ alrm.enabled ? "yes" : "no"); -+ seq_printf(seq, "alrm_pending\t: %s\n", -+ alrm.pending ? "yes" : "no"); -+ } -+ -+ if (ops->proc) -+ ops->proc(class_dev->dev, seq); -+ -+ return 0; -+} -+ -+static int rtc_proc_open(struct inode *inode, struct file *file) -+{ -+ struct class_device *class_dev = PDE(inode)->data; -+ -+ if (!try_module_get(THIS_MODULE)) -+ return -ENODEV; -+ -+ return single_open(file, rtc_proc_show, class_dev); -+} -+ -+static int rtc_proc_release(struct inode *inode, struct file *file) -+{ -+ int res = single_release(inode, file); -+ module_put(THIS_MODULE); -+ return res; -+} -+ -+static struct file_operations rtc_proc_fops = { -+ .open = rtc_proc_open, -+ .read = seq_read, -+ .llseek = seq_lseek, -+ .release = rtc_proc_release, -+}; -+ -+static int rtc_proc_add_device(struct class_device *class_dev, -+ struct class_interface *class_intf) -+{ -+ mutex_lock(&rtc_lock); -+ if (rtc_dev == NULL) { -+ struct proc_dir_entry *ent; -+ -+ rtc_dev = class_dev; -+ -+ ent = create_proc_entry("driver/rtc", 0, NULL); -+ if (ent) { -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ ent->proc_fops = &rtc_proc_fops; -+ ent->owner = rtc->owner; -+ ent->data = class_dev; -+ -+ dev_info(class_dev->dev, "rtc intf: proc\n"); -+ } -+ else -+ rtc_dev = NULL; -+ } -+ mutex_unlock(&rtc_lock); -+ -+ return 0; -+} -+ -+static void rtc_proc_remove_device(struct class_device *class_dev, -+ struct class_interface *class_intf) -+{ -+ mutex_lock(&rtc_lock); -+ if (rtc_dev == class_dev) { -+ remove_proc_entry("driver/rtc", NULL); -+ rtc_dev = NULL; -+ } -+ mutex_unlock(&rtc_lock); -+} -+ -+static struct class_interface rtc_proc_interface = { -+ .add = &rtc_proc_add_device, -+ .remove = &rtc_proc_remove_device, -+}; -+ -+static int __init rtc_proc_init(void) -+{ -+ return rtc_interface_register(&rtc_proc_interface); -+} -+ -+static void __exit rtc_proc_exit(void) -+{ -+ class_interface_unregister(&rtc_proc_interface); -+} -+ -+module_init(rtc_proc_init); -+module_exit(rtc_proc_exit); -+ -+MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("RTC class proc interface"); -+MODULE_LICENSE("GPL"); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-dev.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,382 @@ -+/* -+ * RTC subsystem, dev interface -+ * -+ * Copyright (C) 2005 Tower Technologies -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * based on arch/arm/common/rtctime.c -+ * -+ * 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; version 2 of the License. -+*/ -+ -+#include <linux/module.h> -+#include <linux/rtc.h> -+ -+static struct class *rtc_dev_class; -+static dev_t rtc_devt; -+ -+#define RTC_DEV_MAX 16 /* 16 RTCs should be enough for everyone... */ -+ -+static int rtc_dev_open(struct inode *inode, struct file *file) -+{ -+ int err; -+ struct rtc_device *rtc = container_of(inode->i_cdev, -+ struct rtc_device, char_dev); -+ struct rtc_class_ops *ops = rtc->ops; -+ -+ /* We keep the lock as long as the device is in use -+ * and return immediately if busy -+ */ -+ if (!(mutex_trylock(&rtc->char_lock))) -+ return -EBUSY; -+ -+ file->private_data = &rtc->class_dev; -+ -+ err = ops->open ? ops->open(rtc->class_dev.dev) : 0; -+ if (err == 0) { -+ spin_lock_irq(&rtc->irq_lock); -+ rtc->irq_data = 0; -+ spin_unlock_irq(&rtc->irq_lock); -+ -+ return 0; -+ } -+ -+ /* something has gone wrong, release the lock */ -+ mutex_unlock(&rtc->char_lock); -+ return err; -+} -+ -+ -+static ssize_t -+rtc_dev_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) -+{ -+ struct rtc_device *rtc = to_rtc_device(file->private_data); -+ -+ DECLARE_WAITQUEUE(wait, current); -+ unsigned long data; -+ ssize_t ret; -+ -+ if (count < sizeof(unsigned long)) -+ return -EINVAL; -+ -+ add_wait_queue(&rtc->irq_queue, &wait); -+ do { -+ __set_current_state(TASK_INTERRUPTIBLE); -+ -+ spin_lock_irq(&rtc->irq_lock); -+ data = rtc->irq_data; -+ rtc->irq_data = 0; -+ spin_unlock_irq(&rtc->irq_lock); -+ -+ if (data != 0) { -+ ret = 0; -+ break; -+ } -+ if (file->f_flags & O_NONBLOCK) { -+ ret = -EAGAIN; -+ break; -+ } -+ if (signal_pending(current)) { -+ ret = -ERESTARTSYS; -+ break; -+ } -+ schedule(); -+ } while (1); -+ set_current_state(TASK_RUNNING); -+ remove_wait_queue(&rtc->irq_queue, &wait); -+ -+ if (ret == 0) { -+ /* Check for any data updates */ -+ if (rtc->ops->read_callback) -+ data = rtc->ops->read_callback(rtc->class_dev.dev, data); -+ -+ ret = put_user(data, (unsigned long __user *)buf); -+ if (ret == 0) -+ ret = sizeof(unsigned long); -+ } -+ return ret; -+} -+ -+static unsigned int rtc_dev_poll(struct file *file, poll_table *wait) -+{ -+ struct rtc_device *rtc = to_rtc_device(file->private_data); -+ unsigned long data; -+ -+ poll_wait(file, &rtc->irq_queue, wait); -+ -+ data = rtc->irq_data; -+ -+ return (data != 0) ? (POLLIN | POLLRDNORM) : 0; -+} -+ -+static int rtc_dev_ioctl(struct inode *inode, struct file *file, -+ unsigned int cmd, unsigned long arg) -+{ -+ int err = 0; -+ struct class_device *class_dev = file->private_data; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ struct rtc_class_ops *ops = rtc->ops; -+ struct rtc_time tm; -+ struct rtc_wkalrm alarm; -+ void __user *uarg = (void __user *) arg; -+ -+ /* avoid conflicting IRQ users */ -+ if (cmd == RTC_PIE_ON || cmd == RTC_PIE_OFF || cmd == RTC_IRQP_SET) { -+ spin_lock(&rtc->irq_task_lock); -+ if (rtc->irq_task) -+ err = -EBUSY; -+ spin_unlock(&rtc->irq_task_lock); -+ -+ if (err < 0) -+ return err; -+ } -+ -+ /* try the driver's ioctl interface */ -+ if (ops->ioctl) { -+ err = ops->ioctl(class_dev->dev, cmd, arg); -+ if (err != -EINVAL) -+ return err; -+ } -+ -+ /* if the driver does not provide the ioctl interface -+ * or if that particular ioctl was not implemented -+ * (-EINVAL), we will try to emulate here. -+ */ -+ -+ switch (cmd) { -+ case RTC_ALM_READ: -+ err = rtc_read_alarm(class_dev, &alarm); -+ if (err < 0) -+ return err; -+ -+ if (copy_to_user(uarg, &alarm.time, sizeof(tm))) -+ return -EFAULT; -+ break; -+ -+ case RTC_ALM_SET: -+ if (copy_from_user(&alarm.time, uarg, sizeof(tm))) -+ return -EFAULT; -+ -+ alarm.enabled = 0; -+ alarm.pending = 0; -+ alarm.time.tm_mday = -1; -+ alarm.time.tm_mon = -1; -+ alarm.time.tm_year = -1; -+ alarm.time.tm_wday = -1; -+ alarm.time.tm_yday = -1; -+ alarm.time.tm_isdst = -1; -+ err = rtc_set_alarm(class_dev, &alarm); -+ break; -+ -+ case RTC_RD_TIME: -+ err = rtc_read_time(class_dev, &tm); -+ if (err < 0) -+ return err; -+ -+ if (copy_to_user(uarg, &tm, sizeof(tm))) -+ return -EFAULT; -+ break; -+ -+ case RTC_SET_TIME: -+ if (!capable(CAP_SYS_TIME)) -+ return -EACCES; -+ -+ if (copy_from_user(&tm, uarg, sizeof(tm))) -+ return -EFAULT; -+ -+ err = rtc_set_time(class_dev, &tm); -+ break; -+#if 0 -+ case RTC_EPOCH_SET: -+#ifndef rtc_epoch -+ /* -+ * There were no RTC clocks before 1900. -+ */ -+ if (arg < 1900) { -+ err = -EINVAL; -+ break; -+ } -+ if (!capable(CAP_SYS_TIME)) { -+ err = -EACCES; -+ break; -+ } -+ rtc_epoch = arg; -+ err = 0; -+#endif -+ break; -+ -+ case RTC_EPOCH_READ: -+ err = put_user(rtc_epoch, (unsigned long __user *)uarg); -+ break; -+#endif -+ case RTC_WKALM_SET: -+ if (copy_from_user(&alarm, uarg, sizeof(alarm))) -+ return -EFAULT; -+ -+ err = rtc_set_alarm(class_dev, &alarm); -+ break; -+ -+ case RTC_WKALM_RD: -+ err = rtc_read_alarm(class_dev, &alarm); -+ if (err < 0) -+ return err; -+ -+ if (copy_to_user(uarg, &alarm, sizeof(alarm))) -+ return -EFAULT; -+ break; -+ -+ default: -+ err = -EINVAL; -+ break; -+ } -+ -+ return err; -+} -+ -+static int rtc_dev_release(struct inode *inode, struct file *file) -+{ -+ struct rtc_device *rtc = to_rtc_device(file->private_data); -+ -+ if (rtc->ops->release) -+ rtc->ops->release(rtc->class_dev.dev); -+ -+ mutex_unlock(&rtc->char_lock); -+ return 0; -+} -+ -+static int rtc_dev_fasync(int fd, struct file *file, int on) -+{ -+ struct rtc_device *rtc = to_rtc_device(file->private_data); -+ return fasync_helper(fd, file, on, &rtc->async_queue); -+} -+ -+static struct file_operations rtc_dev_fops = { -+ .owner = THIS_MODULE, -+ .llseek = no_llseek, -+ .read = rtc_dev_read, -+ .poll = rtc_dev_poll, -+ .ioctl = rtc_dev_ioctl, -+ .open = rtc_dev_open, -+ .release = rtc_dev_release, -+ .fasync = rtc_dev_fasync, -+}; -+ -+/* insertion/removal hooks */ -+ -+static int rtc_dev_add_device(struct class_device *class_dev, -+ struct class_interface *class_intf) -+{ -+ int err = 0; -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ if (rtc->id >= RTC_DEV_MAX) { -+ dev_err(class_dev->dev, "too many RTCs\n"); -+ return -EINVAL; -+ } -+ -+ mutex_init(&rtc->char_lock); -+ spin_lock_init(&rtc->irq_lock); -+ init_waitqueue_head(&rtc->irq_queue); -+ -+ cdev_init(&rtc->char_dev, &rtc_dev_fops); -+ rtc->char_dev.owner = rtc->owner; -+ -+ if (cdev_add(&rtc->char_dev, MKDEV(MAJOR(rtc_devt), rtc->id), 1)) { -+ cdev_del(&rtc->char_dev); -+ dev_err(class_dev->dev, -+ "failed to add char device %d:%d\n", -+ MAJOR(rtc_devt), rtc->id); -+ return -ENODEV; -+ } -+ -+ rtc->rtc_dev = class_device_create(rtc_dev_class, NULL, -+ MKDEV(MAJOR(rtc_devt), rtc->id), -+ class_dev->dev, "rtc%d", rtc->id); -+ if (IS_ERR(rtc->rtc_dev)) { -+ dev_err(class_dev->dev, "cannot create rtc_dev device\n"); -+ err = PTR_ERR(rtc->rtc_dev); -+ goto err_cdev_del; -+ } -+ -+ dev_info(class_dev->dev, "rtc intf: dev (%d:%d)\n", -+ MAJOR(rtc->rtc_dev->devt), -+ MINOR(rtc->rtc_dev->devt)); -+ -+ return 0; -+ -+err_cdev_del: -+ -+ cdev_del(&rtc->char_dev); -+ return err; -+} -+ -+static void rtc_dev_remove_device(struct class_device *class_dev, -+ struct class_interface *class_intf) -+{ -+ struct rtc_device *rtc = to_rtc_device(class_dev); -+ -+ if (rtc->rtc_dev) { -+ dev_dbg(class_dev->dev, "removing char %d:%d\n", -+ MAJOR(rtc->rtc_dev->devt), -+ MINOR(rtc->rtc_dev->devt)); -+ -+ class_device_unregister(rtc->rtc_dev); -+ cdev_del(&rtc->char_dev); -+ } -+} -+ -+/* interface registration */ -+ -+static struct class_interface rtc_dev_interface = { -+ .add = &rtc_dev_add_device, -+ .remove = &rtc_dev_remove_device, -+}; -+ -+static int __init rtc_dev_init(void) -+{ -+ int err; -+ -+ rtc_dev_class = class_create(THIS_MODULE, "rtc-dev"); -+ if (IS_ERR(rtc_dev_class)) -+ return PTR_ERR(rtc_dev_class); -+ -+ err = alloc_chrdev_region(&rtc_devt, 0, RTC_DEV_MAX, "rtc"); -+ if (err < 0) { -+ printk(KERN_ERR "%s: failed to allocate char dev region\n", -+ __FILE__); -+ goto err_destroy_class; -+ } -+ -+ err = rtc_interface_register(&rtc_dev_interface); -+ if (err < 0) { -+ printk(KERN_ERR "%s: failed to register the interface\n", -+ __FILE__); -+ goto err_unregister_chrdev; -+ } -+ -+ return 0; -+ -+err_unregister_chrdev: -+ unregister_chrdev_region(rtc_devt, RTC_DEV_MAX); -+ -+err_destroy_class: -+ class_destroy(rtc_dev_class); -+ -+ return err; -+} -+ -+static void __exit rtc_dev_exit(void) -+{ -+ class_interface_unregister(&rtc_dev_interface); -+ class_destroy(rtc_dev_class); -+ unregister_chrdev_region(rtc_devt, RTC_DEV_MAX); -+} -+ -+module_init(rtc_dev_init); -+module_exit(rtc_dev_exit); -+ -+MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("RTC class dev interface"); -+MODULE_LICENSE("GPL"); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-x1205.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,619 @@ -+/* -+ * An i2c driver for the Xicor/Intersil X1205 RTC -+ * Copyright 2004 Karen Spearel -+ * Copyright 2005 Alessandro Zummo -+ * -+ * please send all reports to: -+ * Karen Spearel <kas111 at gmail dot com> -+ * Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * based on a lot of other RTC drivers. -+ * -+ * 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. -+ */ -+ -+#include <linux/i2c.h> -+#include <linux/bcd.h> -+#include <linux/rtc.h> -+#include <linux/delay.h> -+ -+#define DRV_VERSION "1.0.6" -+ -+/* Addresses to scan: none. This chip is located at -+ * 0x6f and uses a two bytes register addressing. -+ * Two bytes need to be written to read a single register, -+ * while most other chips just require one and take the second -+ * one as the data to be written. To prevent corrupting -+ * unknown chips, the user must explicitely set the probe parameter. -+ */ -+ -+static unsigned short normal_i2c[] = { I2C_CLIENT_END }; -+ -+/* Insmod parameters */ -+I2C_CLIENT_INSMOD; -+ -+/* offsets into CCR area */ -+ -+#define CCR_SEC 0 -+#define CCR_MIN 1 -+#define CCR_HOUR 2 -+#define CCR_MDAY 3 -+#define CCR_MONTH 4 -+#define CCR_YEAR 5 -+#define CCR_WDAY 6 -+#define CCR_Y2K 7 -+ -+#define X1205_REG_SR 0x3F /* status register */ -+#define X1205_REG_Y2K 0x37 -+#define X1205_REG_DW 0x36 -+#define X1205_REG_YR 0x35 -+#define X1205_REG_MO 0x34 -+#define X1205_REG_DT 0x33 -+#define X1205_REG_HR 0x32 -+#define X1205_REG_MN 0x31 -+#define X1205_REG_SC 0x30 -+#define X1205_REG_DTR 0x13 -+#define X1205_REG_ATR 0x12 -+#define X1205_REG_INT 0x11 -+#define X1205_REG_0 0x10 -+#define X1205_REG_Y2K1 0x0F -+#define X1205_REG_DWA1 0x0E -+#define X1205_REG_YRA1 0x0D -+#define X1205_REG_MOA1 0x0C -+#define X1205_REG_DTA1 0x0B -+#define X1205_REG_HRA1 0x0A -+#define X1205_REG_MNA1 0x09 -+#define X1205_REG_SCA1 0x08 -+#define X1205_REG_Y2K0 0x07 -+#define X1205_REG_DWA0 0x06 -+#define X1205_REG_YRA0 0x05 -+#define X1205_REG_MOA0 0x04 -+#define X1205_REG_DTA0 0x03 -+#define X1205_REG_HRA0 0x02 -+#define X1205_REG_MNA0 0x01 -+#define X1205_REG_SCA0 0x00 -+ -+#define X1205_CCR_BASE 0x30 /* Base address of CCR */ -+#define X1205_ALM0_BASE 0x00 /* Base address of ALARM0 */ -+ -+#define X1205_SR_RTCF 0x01 /* Clock failure */ -+#define X1205_SR_WEL 0x02 /* Write Enable Latch */ -+#define X1205_SR_RWEL 0x04 /* Register Write Enable */ -+ -+#define X1205_DTR_DTR0 0x01 -+#define X1205_DTR_DTR1 0x02 -+#define X1205_DTR_DTR2 0x04 -+ -+#define X1205_HR_MIL 0x80 /* Set in ccr.hour for 24 hr mode */ -+ -+/* Prototypes */ -+static int x1205_attach(struct i2c_adapter *adapter); -+static int x1205_detach(struct i2c_client *client); -+static int x1205_probe(struct i2c_adapter *adapter, int address, int kind); -+ -+static struct i2c_driver x1205_driver = { -+ .driver = { -+ .name = "x1205", -+ }, -+ .attach_adapter = &x1205_attach, -+ .detach_client = &x1205_detach, -+}; -+ -+/* -+ * In the routines that deal directly with the x1205 hardware, we use -+ * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch -+ * Epoch is initialized as 2000. Time is set to UTC. -+ */ -+static int x1205_get_datetime(struct i2c_client *client, struct rtc_time *tm, -+ unsigned char reg_base) -+{ -+ unsigned char dt_addr[2] = { 0, reg_base }; -+ -+ unsigned char buf[8]; -+ -+ struct i2c_msg msgs[] = { -+ { client->addr, 0, 2, dt_addr }, /* setup read ptr */ -+ { client->addr, I2C_M_RD, 8, buf }, /* read date */ -+ }; -+ -+ /* read date registers */ -+ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { -+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -+ return -EIO; -+ } -+ -+ dev_dbg(&client->dev, -+ "%s: raw read data - sec=%02x, min=%02x, hr=%02x, " -+ "mday=%02x, mon=%02x, year=%02x, wday=%02x, y2k=%02x\n", -+ __FUNCTION__, -+ buf[0], buf[1], buf[2], buf[3], -+ buf[4], buf[5], buf[6], buf[7]); -+ -+ tm->tm_sec = BCD2BIN(buf[CCR_SEC]); -+ tm->tm_min = BCD2BIN(buf[CCR_MIN]); -+ tm->tm_hour = BCD2BIN(buf[CCR_HOUR] & 0x3F); /* hr is 0-23 */ -+ tm->tm_mday = BCD2BIN(buf[CCR_MDAY]); -+ tm->tm_mon = BCD2BIN(buf[CCR_MONTH]) - 1; /* mon is 0-11 */ -+ tm->tm_year = BCD2BIN(buf[CCR_YEAR]) -+ + (BCD2BIN(buf[CCR_Y2K]) * 100) - 1900; -+ tm->tm_wday = buf[CCR_WDAY]; -+ -+ dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, " -+ "mday=%d, mon=%d, year=%d, wday=%d\n", -+ __FUNCTION__, -+ tm->tm_sec, tm->tm_min, tm->tm_hour, -+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -+ -+ return 0; -+} -+ -+static int x1205_get_status(struct i2c_client *client, unsigned char *sr) -+{ -+ static unsigned char sr_addr[2] = { 0, X1205_REG_SR }; -+ -+ struct i2c_msg msgs[] = { -+ { client->addr, 0, 2, sr_addr }, /* setup read ptr */ -+ { client->addr, I2C_M_RD, 1, sr }, /* read status */ -+ }; -+ -+ /* read status register */ -+ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { -+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -+ return -EIO; -+ } -+ -+ return 0; -+} -+ -+static int x1205_set_datetime(struct i2c_client *client, struct rtc_time *tm, -+ int datetoo, u8 reg_base) -+{ -+ int i, xfer; -+ unsigned char buf[8]; -+ -+ static const unsigned char wel[3] = { 0, X1205_REG_SR, -+ X1205_SR_WEL }; -+ -+ static const unsigned char rwel[3] = { 0, X1205_REG_SR, -+ X1205_SR_WEL | X1205_SR_RWEL }; -+ -+ static const unsigned char diswe[3] = { 0, X1205_REG_SR, 0 }; -+ -+ dev_dbg(&client->dev, -+ "%s: secs=%d, mins=%d, hours=%d\n", -+ __FUNCTION__, -+ tm->tm_sec, tm->tm_min, tm->tm_hour); -+ -+ buf[CCR_SEC] = BIN2BCD(tm->tm_sec); -+ buf[CCR_MIN] = BIN2BCD(tm->tm_min); -+ -+ /* set hour and 24hr bit */ -+ buf[CCR_HOUR] = BIN2BCD(tm->tm_hour) | X1205_HR_MIL; -+ -+ /* should we also set the date? */ -+ if (datetoo) { -+ dev_dbg(&client->dev, -+ "%s: mday=%d, mon=%d, year=%d, wday=%d\n", -+ __FUNCTION__, -+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -+ -+ buf[CCR_MDAY] = BIN2BCD(tm->tm_mday); -+ -+ /* month, 1 - 12 */ -+ buf[CCR_MONTH] = BIN2BCD(tm->tm_mon + 1); -+ -+ /* year, since the rtc epoch*/ -+ buf[CCR_YEAR] = BIN2BCD(tm->tm_year % 100); -+ buf[CCR_WDAY] = tm->tm_wday & 0x07; -+ buf[CCR_Y2K] = BIN2BCD(tm->tm_year / 100); -+ } -+ -+ /* this sequence is required to unlock the chip */ -+ if ((xfer = i2c_master_send(client, wel, 3)) != 3) { -+ dev_err(&client->dev, "%s: wel - %d\n", __FUNCTION__, xfer); -+ return -EIO; -+ } -+ -+ if ((xfer = i2c_master_send(client, rwel, 3)) != 3) { -+ dev_err(&client->dev, "%s: rwel - %d\n", __FUNCTION__, xfer); -+ return -EIO; -+ } -+ -+ /* write register's data */ -+ for (i = 0; i < (datetoo ? 8 : 3); i++) { -+ unsigned char rdata[3] = { 0, reg_base + i, buf[i] }; -+ -+ xfer = i2c_master_send(client, rdata, 3); -+ if (xfer != 3) { -+ dev_err(&client->dev, -+ "%s: xfer=%d addr=%02x, data=%02x\n", -+ __FUNCTION__, -+ xfer, rdata[1], rdata[2]); -+ return -EIO; -+ } -+ }; -+ -+ /* disable further writes */ -+ if ((xfer = i2c_master_send(client, diswe, 3)) != 3) { -+ dev_err(&client->dev, "%s: diswe - %d\n", __FUNCTION__, xfer); -+ return -EIO; -+ } -+ -+ return 0; -+} -+ -+static int x1205_fix_osc(struct i2c_client *client) -+{ -+ int err; -+ struct rtc_time tm; -+ -+ tm.tm_hour = tm.tm_min = tm.tm_sec = 0; -+ -+ if ((err = x1205_set_datetime(client, &tm, 0, X1205_CCR_BASE)) < 0) -+ dev_err(&client->dev, -+ "unable to restart the oscillator\n"); -+ -+ return err; -+} -+ -+static int x1205_get_dtrim(struct i2c_client *client, int *trim) -+{ -+ unsigned char dtr; -+ static unsigned char dtr_addr[2] = { 0, X1205_REG_DTR }; -+ -+ struct i2c_msg msgs[] = { -+ { client->addr, 0, 2, dtr_addr }, /* setup read ptr */ -+ { client->addr, I2C_M_RD, 1, &dtr }, /* read dtr */ -+ }; -+ -+ /* read dtr register */ -+ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { -+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -+ return -EIO; -+ } -+ -+ dev_dbg(&client->dev, "%s: raw dtr=%x\n", __FUNCTION__, dtr); -+ -+ *trim = 0; -+ -+ if (dtr & X1205_DTR_DTR0) -+ *trim += 20; -+ -+ if (dtr & X1205_DTR_DTR1) -+ *trim += 10; -+ -+ if (dtr & X1205_DTR_DTR2) -+ *trim = -*trim; -+ -+ return 0; -+} -+ -+static int x1205_get_atrim(struct i2c_client *client, int *trim) -+{ -+ s8 atr; -+ static unsigned char atr_addr[2] = { 0, X1205_REG_ATR }; -+ -+ struct i2c_msg msgs[] = { -+ { client->addr, 0, 2, atr_addr }, /* setup read ptr */ -+ { client->addr, I2C_M_RD, 1, &atr }, /* read atr */ -+ }; -+ -+ /* read atr register */ -+ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { -+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -+ return -EIO; -+ } -+ -+ dev_dbg(&client->dev, "%s: raw atr=%x\n", __FUNCTION__, atr); -+ -+ /* atr is a two's complement value on 6 bits, -+ * perform sign extension. The formula is -+ * Catr = (atr * 0.25pF) + 11.00pF. -+ */ -+ if (atr & 0x20) -+ atr |= 0xC0; -+ -+ dev_dbg(&client->dev, "%s: raw atr=%x (%d)\n", __FUNCTION__, atr, atr); -+ -+ *trim = (atr * 250) + 11000; -+ -+ dev_dbg(&client->dev, "%s: real=%d\n", __FUNCTION__, *trim); -+ -+ return 0; -+} -+ -+struct x1205_limit -+{ -+ unsigned char reg, mask, min, max; -+}; -+ -+static int x1205_validate_client(struct i2c_client *client) -+{ -+ int i, xfer; -+ -+ /* Probe array. We will read the register at the specified -+ * address and check if the given bits are zero. -+ */ -+ static const unsigned char probe_zero_pattern[] = { -+ /* register, mask */ -+ X1205_REG_SR, 0x18, -+ X1205_REG_DTR, 0xF8, -+ X1205_REG_ATR, 0xC0, -+ X1205_REG_INT, 0x18, -+ X1205_REG_0, 0xFF, -+ }; -+ -+ static const struct x1205_limit probe_limits_pattern[] = { -+ /* register, mask, min, max */ -+ { X1205_REG_Y2K, 0xFF, 19, 20 }, -+ { X1205_REG_DW, 0xFF, 0, 6 }, -+ { X1205_REG_YR, 0xFF, 0, 99 }, -+ { X1205_REG_MO, 0xFF, 0, 12 }, -+ { X1205_REG_DT, 0xFF, 0, 31 }, -+ { X1205_REG_HR, 0x7F, 0, 23 }, -+ { X1205_REG_MN, 0xFF, 0, 59 }, -+ { X1205_REG_SC, 0xFF, 0, 59 }, -+ { X1205_REG_Y2K1, 0xFF, 19, 20 }, -+ { X1205_REG_Y2K0, 0xFF, 19, 20 }, -+ }; -+ -+ /* check that registers have bits a 0 where expected */ -+ for (i = 0; i < ARRAY_SIZE(probe_zero_pattern); i += 2) { -+ unsigned char buf; -+ -+ unsigned char addr[2] = { 0, probe_zero_pattern[i] }; -+ -+ struct i2c_msg msgs[2] = { -+ { client->addr, 0, 2, addr }, -+ { client->addr, I2C_M_RD, 1, &buf }, -+ }; -+ -+ if ((xfer = i2c_transfer(client->adapter, msgs, 2)) != 2) { -+ dev_err(&client->adapter->dev, -+ "%s: could not read register %x\n", -+ __FUNCTION__, probe_zero_pattern[i]); -+ -+ return -EIO; -+ } -+ -+ if ((buf & probe_zero_pattern[i+1]) != 0) { -+ dev_err(&client->adapter->dev, -+ "%s: register=%02x, zero pattern=%d, value=%x\n", -+ __FUNCTION__, probe_zero_pattern[i], i, buf); -+ -+ return -ENODEV; -+ } -+ } -+ -+ /* check limits (only registers with bcd values) */ -+ for (i = 0; i < ARRAY_SIZE(probe_limits_pattern); i++) { -+ unsigned char reg, value; -+ -+ unsigned char addr[2] = { 0, probe_limits_pattern[i].reg }; -+ -+ struct i2c_msg msgs[2] = { -+ { client->addr, 0, 2, addr }, -+ { client->addr, I2C_M_RD, 1, ® }, -+ }; -+ -+ if ((xfer = i2c_transfer(client->adapter, msgs, 2)) != 2) { -+ dev_err(&client->adapter->dev, -+ "%s: could not read register %x\n", -+ __FUNCTION__, probe_limits_pattern[i].reg); -+ -+ return -EIO; -+ } -+ -+ value = BCD2BIN(reg & probe_limits_pattern[i].mask); -+ -+ if (value > probe_limits_pattern[i].max || -+ value < probe_limits_pattern[i].min) { -+ dev_dbg(&client->adapter->dev, -+ "%s: register=%x, lim pattern=%d, value=%d\n", -+ __FUNCTION__, probe_limits_pattern[i].reg, -+ i, value); -+ -+ return -ENODEV; -+ } -+ } -+ -+ return 0; -+} -+ -+static int x1205_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) -+{ -+ return x1205_get_datetime(to_i2c_client(dev), -+ &alrm->time, X1205_ALM0_BASE); -+} -+ -+static int x1205_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) -+{ -+ return x1205_set_datetime(to_i2c_client(dev), -+ &alrm->time, 1, X1205_ALM0_BASE); -+} -+ -+static int x1205_rtc_read_time(struct device *dev, struct rtc_time *tm) -+{ -+ return x1205_get_datetime(to_i2c_client(dev), -+ tm, X1205_CCR_BASE); -+} -+ -+static int x1205_rtc_set_time(struct device *dev, struct rtc_time *tm) -+{ -+ return x1205_set_datetime(to_i2c_client(dev), -+ tm, 1, X1205_CCR_BASE); -+} -+ -+static int x1205_rtc_proc(struct device *dev, struct seq_file *seq) -+{ -+ int err, dtrim, atrim; -+ -+ seq_printf(seq, "24hr\t\t: yes\n"); -+ -+ if ((err = x1205_get_dtrim(to_i2c_client(dev), &dtrim)) == 0) -+ seq_printf(seq, "digital_trim\t: %d ppm\n", dtrim); -+ -+ if ((err = x1205_get_atrim(to_i2c_client(dev), &atrim)) == 0) -+ seq_printf(seq, "analog_trim\t: %d.%02d pF\n", -+ atrim / 1000, atrim % 1000); -+ return 0; -+} -+ -+static struct rtc_class_ops x1205_rtc_ops = { -+ .proc = x1205_rtc_proc, -+ .read_time = x1205_rtc_read_time, -+ .set_time = x1205_rtc_set_time, -+ .read_alarm = x1205_rtc_read_alarm, -+ .set_alarm = x1205_rtc_set_alarm, -+}; -+ -+static ssize_t x1205_sysfs_show_atrim(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ int atrim; -+ -+ if (x1205_get_atrim(to_i2c_client(dev), &atrim) == 0) -+ return sprintf(buf, "%d.%02d pF\n", -+ atrim / 1000, atrim % 1000); -+ return 0; -+} -+static DEVICE_ATTR(atrim, S_IRUGO, x1205_sysfs_show_atrim, NULL); -+ -+static ssize_t x1205_sysfs_show_dtrim(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ int dtrim; -+ -+ if (x1205_get_dtrim(to_i2c_client(dev), &dtrim) == 0) -+ return sprintf(buf, "%d ppm\n", dtrim); -+ -+ return 0; -+} -+static DEVICE_ATTR(dtrim, S_IRUGO, x1205_sysfs_show_dtrim, NULL); -+ -+static int x1205_attach(struct i2c_adapter *adapter) -+{ -+ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); -+ return i2c_probe(adapter, &addr_data, x1205_probe); -+} -+ -+static int x1205_probe(struct i2c_adapter *adapter, int address, int kind) -+{ -+ int err = 0; -+ unsigned char sr; -+ struct i2c_client *client; -+ struct rtc_device *rtc; -+ -+ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); -+ -+ if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { -+ err = -ENODEV; -+ goto exit; -+ } -+ -+ if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) { -+ err = -ENOMEM; -+ goto exit; -+ } -+ -+ /* I2C client */ -+ client->addr = address; -+ client->driver = &x1205_driver; -+ client->adapter = adapter; -+ -+ strlcpy(client->name, x1205_driver.driver.name, I2C_NAME_SIZE); -+ -+ /* Verify the chip is really an X1205 */ -+ if (kind < 0) { -+ if (x1205_validate_client(client) < 0) { -+ err = -ENODEV; -+ goto exit_kfree; -+ } -+ } -+ -+ /* Inform the i2c layer */ -+ if ((err = i2c_attach_client(client))) -+ goto exit_kfree; -+ -+ dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); -+ -+ rtc = rtc_device_register(x1205_driver.driver.name, &client->dev, -+ &x1205_rtc_ops, THIS_MODULE); -+ -+ if (IS_ERR(rtc)) { -+ err = PTR_ERR(rtc); -+ dev_err(&client->dev, -+ "unable to register the class device\n"); -+ goto exit_detach; -+ } -+ -+ i2c_set_clientdata(client, rtc); -+ -+ /* Check for power failures and eventualy enable the osc */ -+ if ((err = x1205_get_status(client, &sr)) == 0) { -+ if (sr & X1205_SR_RTCF) { -+ dev_err(&client->dev, -+ "power failure detected, " -+ "please set the clock\n"); -+ udelay(50); -+ x1205_fix_osc(client); -+ } -+ } -+ else -+ dev_err(&client->dev, "couldn't read status\n"); -+ -+ device_create_file(&client->dev, &dev_attr_atrim); -+ device_create_file(&client->dev, &dev_attr_dtrim); -+ -+ return 0; -+ -+exit_detach: -+ i2c_detach_client(client); -+ -+exit_kfree: -+ kfree(client); -+ -+exit: -+ return err; -+} -+ -+static int x1205_detach(struct i2c_client *client) -+{ -+ int err; -+ struct rtc_device *rtc = i2c_get_clientdata(client); -+ -+ dev_dbg(&client->dev, "%s\n", __FUNCTION__); -+ -+ if (rtc) -+ rtc_device_unregister(rtc); -+ -+ if ((err = i2c_detach_client(client))) -+ return err; -+ -+ kfree(client); -+ -+ return 0; -+} -+ -+static int __init x1205_init(void) -+{ -+ return i2c_add_driver(&x1205_driver); -+} -+ -+static void __exit x1205_exit(void) -+{ -+ i2c_del_driver(&x1205_driver); -+} -+ -+MODULE_AUTHOR( -+ "Karen Spearel <kas111 at gmail dot com>, " -+ "Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("Xicor/Intersil X1205 RTC driver"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION(DRV_VERSION); -+ -+module_init(x1205_init); -+module_exit(x1205_exit); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-test.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,205 @@ -+/* -+ * An RTC test device/driver -+ * Copyright (C) 2005 Tower Technologies -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * 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. -+ */ -+ -+#include <linux/module.h> -+#include <linux/err.h> -+#include <linux/rtc.h> -+#include <linux/platform_device.h> -+ -+static struct platform_device *test0 = NULL, *test1 = NULL; -+ -+static int test_rtc_read_alarm(struct device *dev, -+ struct rtc_wkalrm *alrm) -+{ -+ return 0; -+} -+ -+static int test_rtc_set_alarm(struct device *dev, -+ struct rtc_wkalrm *alrm) -+{ -+ return 0; -+} -+ -+static int test_rtc_read_time(struct device *dev, -+ struct rtc_time *tm) -+{ -+ rtc_time_to_tm(get_seconds(), tm); -+ return 0; -+} -+ -+static int test_rtc_set_time(struct device *dev, -+ struct rtc_time *tm) -+{ -+ return 0; -+} -+ -+static int test_rtc_set_mmss(struct device *dev, unsigned long secs) -+{ -+ return 0; -+} -+ -+static int test_rtc_proc(struct device *dev, struct seq_file *seq) -+{ -+ struct platform_device *plat_dev = to_platform_device(dev); -+ -+ seq_printf(seq, "24hr\t\t: yes\n"); -+ seq_printf(seq, "test\t\t: yes\n"); -+ seq_printf(seq, "id\t\t: %d\n", plat_dev->id); -+ -+ return 0; -+} -+ -+static int test_rtc_ioctl(struct device *dev, unsigned int cmd, -+ unsigned long arg) -+{ -+ /* We do support interrupts, they're generated -+ * using the sysfs interface. -+ */ -+ switch (cmd) { -+ case RTC_PIE_ON: -+ case RTC_PIE_OFF: -+ case RTC_UIE_ON: -+ case RTC_UIE_OFF: -+ case RTC_AIE_ON: -+ case RTC_AIE_OFF: -+ return 0; -+ -+ default: -+ return -EINVAL; -+ } -+} -+ -+static struct rtc_class_ops test_rtc_ops = { -+ .proc = test_rtc_proc, -+ .read_time = test_rtc_read_time, -+ .set_time = test_rtc_set_time, -+ .read_alarm = test_rtc_read_alarm, -+ .set_alarm = test_rtc_set_alarm, -+ .set_mmss = test_rtc_set_mmss, -+ .ioctl = test_rtc_ioctl, -+}; -+ -+static ssize_t test_irq_show(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ return sprintf(buf, "%d\n", 42); -+} -+static ssize_t test_irq_store(struct device *dev, -+ struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ int retval; -+ struct platform_device *plat_dev = to_platform_device(dev); -+ struct rtc_device *rtc = platform_get_drvdata(plat_dev); -+ -+ retval = count; -+ if (strncmp(buf, "tick", 4) == 0) -+ rtc_update_irq(&rtc->class_dev, 1, RTC_PF | RTC_IRQF); -+ else if (strncmp(buf, "alarm", 5) == 0) -+ rtc_update_irq(&rtc->class_dev, 1, RTC_AF | RTC_IRQF); -+ else if (strncmp(buf, "update", 6) == 0) -+ rtc_update_irq(&rtc->class_dev, 1, RTC_UF | RTC_IRQF); -+ else -+ retval = -EINVAL; -+ -+ return retval; -+} -+static DEVICE_ATTR(irq, S_IRUGO | S_IWUSR, test_irq_show, test_irq_store); -+ -+static int test_probe(struct platform_device *plat_dev) -+{ -+ int err; -+ struct rtc_device *rtc = rtc_device_register("test", &plat_dev->dev, -+ &test_rtc_ops, THIS_MODULE); -+ if (IS_ERR(rtc)) { -+ err = PTR_ERR(rtc); -+ dev_err(&plat_dev->dev, -+ "unable to register the class device\n"); -+ return err; -+ } -+ device_create_file(&plat_dev->dev, &dev_attr_irq); -+ -+ platform_set_drvdata(plat_dev, rtc); -+ -+ return 0; -+} -+ -+static int __devexit test_remove(struct platform_device *plat_dev) -+{ -+ struct rtc_device *rtc = platform_get_drvdata(plat_dev); -+ -+ rtc_device_unregister(rtc); -+ device_remove_file(&plat_dev->dev, &dev_attr_irq); -+ -+ return 0; -+} -+ -+static struct platform_driver test_drv = { -+ .probe = test_probe, -+ .remove = __devexit_p(test_remove), -+ .driver = { -+ .name = "rtc-test", -+ .owner = THIS_MODULE, -+ }, -+}; -+ -+static int __init test_init(void) -+{ -+ int err; -+ -+ if ((err = platform_driver_register(&test_drv))) -+ return err; -+ -+ if ((test0 = platform_device_alloc("rtc-test", 0)) == NULL) { -+ err = -ENOMEM; -+ goto exit_driver_unregister; -+ } -+ -+ if ((test1 = platform_device_alloc("rtc-test", 1)) == NULL) { -+ err = -ENOMEM; -+ goto exit_free_test0; -+ } -+ -+ if ((err = platform_device_add(test0))) -+ goto exit_free_test1; -+ -+ if ((err = platform_device_add(test1))) -+ goto exit_device_unregister; -+ -+ return 0; -+ -+exit_device_unregister: -+ platform_device_unregister(test0); -+ -+exit_free_test1: -+ platform_device_put(test1); -+ -+exit_free_test0: -+ platform_device_put(test0); -+ -+exit_driver_unregister: -+ platform_driver_unregister(&test_drv); -+ return err; -+} -+ -+static void __exit test_exit(void) -+{ -+ platform_device_unregister(test0); -+ platform_device_unregister(test1); -+ platform_driver_unregister(&test_drv); -+} -+ -+MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("RTC test driver/device"); -+MODULE_LICENSE("GPL"); -+ -+module_init(test_init); -+module_exit(test_exit); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-ds1672.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,233 @@ -+/* -+ * An rtc/i2c driver for the Dallas DS1672 -+ * Copyright 2005 Alessandro Zummo -+ * -+ * 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. -+ */ -+ -+#include <linux/module.h> -+#include <linux/i2c.h> -+#include <linux/rtc.h> -+ -+#define DRV_VERSION "0.2" -+ -+/* Addresses to scan: none. This chip cannot be detected. */ -+static unsigned short normal_i2c[] = { I2C_CLIENT_END }; -+ -+/* Insmod parameters */ -+I2C_CLIENT_INSMOD; -+ -+/* Registers */ -+ -+#define DS1672_REG_CNT_BASE 0 -+#define DS1672_REG_CONTROL 4 -+#define DS1672_REG_TRICKLE 5 -+ -+ -+/* Prototypes */ -+static int ds1672_probe(struct i2c_adapter *adapter, int address, int kind); -+ -+/* -+ * In the routines that deal directly with the ds1672 hardware, we use -+ * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch -+ * Epoch is initialized as 2000. Time is set to UTC. -+ */ -+static int ds1672_get_datetime(struct i2c_client *client, struct rtc_time *tm) -+{ -+ unsigned long time; -+ unsigned char addr = DS1672_REG_CNT_BASE; -+ unsigned char buf[4]; -+ -+ struct i2c_msg msgs[] = { -+ { client->addr, 0, 1, &addr }, /* setup read ptr */ -+ { client->addr, I2C_M_RD, 4, buf }, /* read date */ -+ }; -+ -+ /* read date registers */ -+ if ((i2c_transfer(client->adapter, &msgs[0], 2)) != 2) { -+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -+ return -EIO; -+ } -+ -+ dev_dbg(&client->dev, -+ "%s: raw read data - counters=%02x,%02x,%02x,%02x\n" -+ __FUNCTION__, -+ buf[0], buf[1], buf[2], buf[3]); -+ -+ time = (buf[3] << 24) | (buf[2] << 16) | (buf[1] << 8) | buf[0]; -+ -+ rtc_time_to_tm(time, tm); -+ -+ dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, " -+ "mday=%d, mon=%d, year=%d, wday=%d\n", -+ __FUNCTION__, -+ tm->tm_sec, tm->tm_min, tm->tm_hour, -+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -+ -+ return 0; -+} -+ -+static int ds1672_set_mmss(struct i2c_client *client, unsigned long secs) -+{ -+ int xfer; -+ unsigned char buf[5]; -+ -+ buf[0] = DS1672_REG_CNT_BASE; -+ buf[1] = secs & 0x000000FF; -+ buf[2] = (secs & 0x0000FF00) >> 8; -+ buf[3] = (secs & 0x00FF0000) >> 16; -+ buf[4] = (secs & 0xFF000000) >> 24; -+ -+ xfer = i2c_master_send(client, buf, 5); -+ if (xfer != 5) { -+ dev_err(&client->dev, "%s: send: %d\n", __FUNCTION__, xfer); -+ return -EIO; -+ } -+ -+ return 0; -+} -+ -+static int ds1672_set_datetime(struct i2c_client *client, struct rtc_time *tm) -+{ -+ unsigned long secs; -+ -+ dev_dbg(&client->dev, -+ "%s: secs=%d, mins=%d, hours=%d, ", -+ "mday=%d, mon=%d, year=%d, wday=%d\n", -+ __FUNCTION__, -+ tm->tm_sec, tm->tm_min, tm->tm_hour, -+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -+ -+ rtc_tm_to_time(tm, &secs); -+ -+ return ds1672_set_mmss(client, secs); -+} -+ -+static int ds1672_rtc_read_time(struct device *dev, struct rtc_time *tm) -+{ -+ return ds1672_get_datetime(to_i2c_client(dev), tm); -+} -+ -+static int ds1672_rtc_set_time(struct device *dev, struct rtc_time *tm) -+{ -+ return ds1672_set_datetime(to_i2c_client(dev), tm); -+} -+ -+static int ds1672_rtc_set_mmss(struct device *dev, unsigned long secs) -+{ -+ return ds1672_set_mmss(to_i2c_client(dev), secs); -+} -+ -+static struct rtc_class_ops ds1672_rtc_ops = { -+ .read_time = ds1672_rtc_read_time, -+ .set_time = ds1672_rtc_set_time, -+ .set_mmss = ds1672_rtc_set_mmss, -+}; -+ -+static int ds1672_attach(struct i2c_adapter *adapter) -+{ -+ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); -+ return i2c_probe(adapter, &addr_data, ds1672_probe); -+} -+ -+static int ds1672_detach(struct i2c_client *client) -+{ -+ int err; -+ struct rtc_device *rtc = i2c_get_clientdata(client); -+ -+ dev_dbg(&client->dev, "%s\n", __FUNCTION__); -+ -+ if (rtc) -+ rtc_device_unregister(rtc); -+ -+ if ((err = i2c_detach_client(client))) -+ return err; -+ -+ kfree(client); -+ -+ return 0; -+} -+ -+static struct i2c_driver ds1672_driver = { -+ .driver = { -+ .name = "ds1672", -+ }, -+ .attach_adapter = &ds1672_attach, -+ .detach_client = &ds1672_detach, -+}; -+ -+static int ds1672_probe(struct i2c_adapter *adapter, int address, int kind) -+{ -+ int err = 0; -+ struct i2c_client *client; -+ struct rtc_device *rtc; -+ -+ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); -+ -+ if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { -+ err = -ENODEV; -+ goto exit; -+ } -+ -+ if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) { -+ err = -ENOMEM; -+ goto exit; -+ } -+ -+ /* I2C client */ -+ client->addr = address; -+ client->driver = &ds1672_driver; -+ client->adapter = adapter; -+ -+ strlcpy(client->name, ds1672_driver.driver.name, I2C_NAME_SIZE); -+ -+ /* Inform the i2c layer */ -+ if ((err = i2c_attach_client(client))) -+ goto exit_kfree; -+ -+ dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); -+ -+ rtc = rtc_device_register(ds1672_driver.driver.name, &client->dev, -+ &ds1672_rtc_ops, THIS_MODULE); -+ -+ if (IS_ERR(rtc)) { -+ err = PTR_ERR(rtc); -+ dev_err(&client->dev, -+ "unable to register the class device\n"); -+ goto exit_detach; -+ } -+ -+ i2c_set_clientdata(client, rtc); -+ -+ return 0; -+ -+exit_detach: -+ i2c_detach_client(client); -+ -+exit_kfree: -+ kfree(client); -+ -+exit: -+ return err; -+} -+ -+static int __init ds1672_init(void) -+{ -+ return i2c_add_driver(&ds1672_driver); -+} -+ -+static void __exit ds1672_exit(void) -+{ -+ i2c_del_driver(&ds1672_driver); -+} -+ -+MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("Dallas/Maxim DS1672 timekeeper driver"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION(DRV_VERSION); -+ -+module_init(ds1672_init); -+module_exit(ds1672_exit); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-pcf8563.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,355 @@ -+/* -+ * An I2C driver for the Philips PCF8563 RTC -+ * Copyright 2005-06 Tower Technologies -+ * -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * Maintainers: http://www.nslu2-linux.org/ -+ * -+ * based on the other drivers in this same directory. -+ * -+ * http://www.semiconductors.philips.com/acrobat/datasheets/PCF8563-04.pdf -+ * -+ * 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. -+ */ -+ -+#include <linux/i2c.h> -+#include <linux/bcd.h> -+#include <linux/rtc.h> -+ -+#define DRV_VERSION "0.4.2" -+ -+/* Addresses to scan: none -+ * This chip cannot be reliably autodetected. An empty eeprom -+ * located at 0x51 will pass the validation routine due to -+ * the way the registers are implemented. -+ */ -+static unsigned short normal_i2c[] = { I2C_CLIENT_END }; -+ -+/* Module parameters */ -+I2C_CLIENT_INSMOD; -+ -+#define PCF8563_REG_ST1 0x00 /* status */ -+#define PCF8563_REG_ST2 0x01 -+ -+#define PCF8563_REG_SC 0x02 /* datetime */ -+#define PCF8563_REG_MN 0x03 -+#define PCF8563_REG_HR 0x04 -+#define PCF8563_REG_DM 0x05 -+#define PCF8563_REG_DW 0x06 -+#define PCF8563_REG_MO 0x07 -+#define PCF8563_REG_YR 0x08 -+ -+#define PCF8563_REG_AMN 0x09 /* alarm */ -+#define PCF8563_REG_AHR 0x0A -+#define PCF8563_REG_ADM 0x0B -+#define PCF8563_REG_ADW 0x0C -+ -+#define PCF8563_REG_CLKO 0x0D /* clock out */ -+#define PCF8563_REG_TMRC 0x0E /* timer control */ -+#define PCF8563_REG_TMR 0x0F /* timer */ -+ -+#define PCF8563_SC_LV 0x80 /* low voltage */ -+#define PCF8563_MO_C 0x80 /* century */ -+ -+/* Prototypes */ -+static int pcf8563_attach(struct i2c_adapter *adapter); -+static int pcf8563_detach(struct i2c_client *client); -+static int pcf8563_probe(struct i2c_adapter *adapter, int address, int kind); -+ -+static struct i2c_driver pcf8563_driver = { -+ .driver = { -+ .name = "pcf8563", -+ }, -+ .attach_adapter = &pcf8563_attach, -+ .detach_client = &pcf8563_detach, -+}; -+ -+/* -+ * In the routines that deal directly with the pcf8563 hardware, we use -+ * rtc_time -- month 0-11, hour 0-23, yr = calendar year-epoch. -+ */ -+static int pcf8563_get_datetime(struct i2c_client *client, struct rtc_time *tm) -+{ -+ unsigned char buf[13] = { PCF8563_REG_ST1 }; -+ -+ struct i2c_msg msgs[] = { -+ { client->addr, 0, 1, buf }, /* setup read ptr */ -+ { client->addr, I2C_M_RD, 13, buf }, /* read status + date */ -+ }; -+ -+ /* read registers */ -+ if ((i2c_transfer(client->adapter, msgs, 2)) != 2) { -+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -+ return -EIO; -+ } -+ -+ if (buf[PCF8563_REG_SC] & PCF8563_SC_LV) -+ dev_info(&client->dev, -+ "low voltage detected, date/time is not reliable.\n"); -+ -+ dev_dbg(&client->dev, -+ "%s: raw data is st1=%02x, st2=%02x, sec=%02x, min=%02x, hr=%02x, " -+ "mday=%02x, wday=%02x, mon=%02x, year=%02x\n", -+ __FUNCTION__, -+ buf[0], buf[1], buf[2], buf[3], -+ buf[4], buf[5], buf[6], buf[7], -+ buf[8]); -+ -+ -+ tm->tm_sec = BCD2BIN(buf[PCF8563_REG_SC] & 0x7F); -+ tm->tm_min = BCD2BIN(buf[PCF8563_REG_MN] & 0x7F); -+ tm->tm_hour = BCD2BIN(buf[PCF8563_REG_HR] & 0x3F); /* rtc hr 0-23 */ -+ tm->tm_mday = BCD2BIN(buf[PCF8563_REG_DM] & 0x3F); -+ tm->tm_wday = buf[PCF8563_REG_DW] & 0x07; -+ tm->tm_mon = BCD2BIN(buf[PCF8563_REG_MO] & 0x1F) - 1; /* rtc mn 1-12 */ -+ tm->tm_year = BCD2BIN(buf[PCF8563_REG_YR]) -+ + (buf[PCF8563_REG_MO] & PCF8563_MO_C ? 100 : 0); -+ -+ dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, " -+ "mday=%d, mon=%d, year=%d, wday=%d\n", -+ __FUNCTION__, -+ tm->tm_sec, tm->tm_min, tm->tm_hour, -+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -+ -+ /* the clock can give out invalid datetime, but we cannot return -+ * -EINVAL otherwise hwclock will refuse to set the time on bootup. -+ */ -+ if (rtc_valid_tm(tm) < 0) -+ dev_err(&client->dev, "retrieved date/time is not valid.\n"); -+ -+ return 0; -+} -+ -+static int pcf8563_set_datetime(struct i2c_client *client, struct rtc_time *tm) -+{ -+ int i, err; -+ unsigned char buf[9]; -+ -+ dev_dbg(&client->dev, "%s: secs=%d, mins=%d, hours=%d, " -+ "mday=%d, mon=%d, year=%d, wday=%d\n", -+ __FUNCTION__, -+ tm->tm_sec, tm->tm_min, tm->tm_hour, -+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -+ -+ /* hours, minutes and seconds */ -+ buf[PCF8563_REG_SC] = BIN2BCD(tm->tm_sec); -+ buf[PCF8563_REG_MN] = BIN2BCD(tm->tm_min); -+ buf[PCF8563_REG_HR] = BIN2BCD(tm->tm_hour); -+ -+ buf[PCF8563_REG_DM] = BIN2BCD(tm->tm_mday); -+ -+ /* month, 1 - 12 */ -+ buf[PCF8563_REG_MO] = BIN2BCD(tm->tm_mon + 1); -+ -+ /* year and century */ -+ buf[PCF8563_REG_YR] = BIN2BCD(tm->tm_year % 100); -+ if (tm->tm_year / 100) -+ buf[PCF8563_REG_MO] |= PCF8563_MO_C; -+ -+ buf[PCF8563_REG_DW] = tm->tm_wday & 0x07; -+ -+ /* write register's data */ -+ for (i = 0; i < 7; i++) { -+ unsigned char data[2] = { PCF8563_REG_SC + i, -+ buf[PCF8563_REG_SC + i] }; -+ -+ err = i2c_master_send(client, data, sizeof(data)); -+ if (err != sizeof(data)) { -+ dev_err(&client->dev, -+ "%s: err=%d addr=%02x, data=%02x\n", -+ __FUNCTION__, err, data[0], data[1]); -+ return -EIO; -+ } -+ }; -+ -+ return 0; -+} -+ -+struct pcf8563_limit -+{ -+ unsigned char reg; -+ unsigned char mask; -+ unsigned char min; -+ unsigned char max; -+}; -+ -+static int pcf8563_validate_client(struct i2c_client *client) -+{ -+ int i; -+ -+ static const struct pcf8563_limit pattern[] = { -+ /* register, mask, min, max */ -+ { PCF8563_REG_SC, 0x7F, 0, 59 }, -+ { PCF8563_REG_MN, 0x7F, 0, 59 }, -+ { PCF8563_REG_HR, 0x3F, 0, 23 }, -+ { PCF8563_REG_DM, 0x3F, 0, 31 }, -+ { PCF8563_REG_MO, 0x1F, 0, 12 }, -+ }; -+ -+ /* check limits (only registers with bcd values) */ -+ for (i = 0; i < ARRAY_SIZE(pattern); i++) { -+ int xfer; -+ unsigned char value; -+ unsigned char buf = pattern[i].reg; -+ -+ struct i2c_msg msgs[] = { -+ { client->addr, 0, 1, &buf }, -+ { client->addr, I2C_M_RD, 1, &buf }, -+ }; -+ -+ xfer = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs)); -+ -+ if (xfer != ARRAY_SIZE(msgs)) { -+ dev_err(&client->adapter->dev, -+ "%s: could not read register 0x%02X\n", -+ __FUNCTION__, pattern[i].reg); -+ -+ return -EIO; -+ } -+ -+ value = BCD2BIN(buf & pattern[i].mask); -+ -+ if (value > pattern[i].max || -+ value < pattern[i].min) { -+ dev_dbg(&client->adapter->dev, -+ "%s: pattern=%d, reg=%x, mask=0x%02x, min=%d, " -+ "max=%d, value=%d, raw=0x%02X\n", -+ __FUNCTION__, i, pattern[i].reg, pattern[i].mask, -+ pattern[i].min, pattern[i].max, -+ value, buf); -+ -+ return -ENODEV; -+ } -+ } -+ -+ return 0; -+} -+ -+static int pcf8563_rtc_read_time(struct device *dev, struct rtc_time *tm) -+{ -+ return pcf8563_get_datetime(to_i2c_client(dev), tm); -+} -+ -+static int pcf8563_rtc_set_time(struct device *dev, struct rtc_time *tm) -+{ -+ return pcf8563_set_datetime(to_i2c_client(dev), tm); -+} -+ -+static int pcf8563_rtc_proc(struct device *dev, struct seq_file *seq) -+{ -+ seq_printf(seq, "24hr\t\t: yes\n"); -+ return 0; -+} -+ -+static struct rtc_class_ops pcf8563_rtc_ops = { -+ .proc = pcf8563_rtc_proc, -+ .read_time = pcf8563_rtc_read_time, -+ .set_time = pcf8563_rtc_set_time, -+}; -+ -+static int pcf8563_attach(struct i2c_adapter *adapter) -+{ -+ return i2c_probe(adapter, &addr_data, pcf8563_probe); -+} -+ -+static int pcf8563_probe(struct i2c_adapter *adapter, int address, int kind) -+{ -+ struct i2c_client *client; -+ struct rtc_device *rtc; -+ -+ int err = 0; -+ -+ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); -+ -+ if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { -+ err = -ENODEV; -+ goto exit; -+ } -+ -+ if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) { -+ err = -ENOMEM; -+ goto exit; -+ } -+ -+ client->addr = address; -+ client->driver = &pcf8563_driver; -+ client->adapter = adapter; -+ -+ strlcpy(client->name, pcf8563_driver.driver.name, I2C_NAME_SIZE); -+ -+ /* Verify the chip is really an PCF8563 */ -+ if (kind < 0) { -+ if (pcf8563_validate_client(client) < 0) { -+ err = -ENODEV; -+ goto exit_kfree; -+ } -+ } -+ -+ /* Inform the i2c layer */ -+ if ((err = i2c_attach_client(client))) -+ goto exit_kfree; -+ -+ dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); -+ -+ rtc = rtc_device_register(pcf8563_driver.driver.name, &client->dev, -+ &pcf8563_rtc_ops, THIS_MODULE); -+ -+ if (IS_ERR(rtc)) { -+ err = PTR_ERR(rtc); -+ dev_err(&client->dev, -+ "unable to register the class device\n"); -+ goto exit_detach; -+ } -+ -+ i2c_set_clientdata(client, rtc); -+ -+ return 0; -+ -+exit_detach: -+ i2c_detach_client(client); -+ -+exit_kfree: -+ kfree(client); -+ -+exit: -+ return err; -+} -+ -+static int pcf8563_detach(struct i2c_client *client) -+{ -+ int err; -+ struct rtc_device *rtc = i2c_get_clientdata(client); -+ -+ dev_dbg(&client->dev, "%s\n", __FUNCTION__); -+ -+ if (rtc) -+ rtc_device_unregister(rtc); -+ -+ if ((err = i2c_detach_client(client))) -+ return err; -+ -+ kfree(client); -+ -+ return 0; -+} -+ -+static int __init pcf8563_init(void) -+{ -+ return i2c_add_driver(&pcf8563_driver); -+} -+ -+static void __exit pcf8563_exit(void) -+{ -+ i2c_del_driver(&pcf8563_driver); -+} -+ -+MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("Philips PCF8563/Epson RTC8564 RTC driver"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION(DRV_VERSION); -+ -+module_init(pcf8563_init); -+module_exit(pcf8563_exit); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-rs5c372.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,295 @@ -+/* -+ * An I2C driver for the Ricoh RS5C372 RTC -+ * -+ * Copyright (C) 2005 Pavel Mironchik pmironchik@optifacio.net -+ * Copyright (C) 2006 Tower Technologies -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ * -+ */ -+ -+#include <linux/i2c.h> -+#include <linux/rtc.h> -+#include <linux/bcd.h> -+ -+#define DRV_VERSION "0.2" -+ -+/* Addresses to scan */ -+static unsigned short normal_i2c[] = { /* 0x32,*/ I2C_CLIENT_END }; -+ -+/* Insmod parameters */ -+I2C_CLIENT_INSMOD; -+ -+#define RS5C372_REG_SECS 0 -+#define RS5C372_REG_MINS 1 -+#define RS5C372_REG_HOURS 2 -+#define RS5C372_REG_WDAY 3 -+#define RS5C372_REG_DAY 4 -+#define RS5C372_REG_MONTH 5 -+#define RS5C372_REG_YEAR 6 -+#define RS5C372_REG_TRIM 7 -+ -+#define RS5C372_TRIM_XSL 0x80 -+#define RS5C372_TRIM_MASK 0x7F -+ -+#define RS5C372_REG_BASE 0 -+ -+static int rs5c372_attach(struct i2c_adapter *adapter); -+static int rs5c372_detach(struct i2c_client *client); -+static int rs5c372_probe(struct i2c_adapter *adapter, int address, int kind); -+ -+static struct i2c_driver rs5c372_driver = { -+ .driver = { -+ .name = "rs5c372", -+ }, -+ .attach_adapter = &rs5c372_attach, -+ .detach_client = &rs5c372_detach, -+}; -+ -+static int rs5c372_get_datetime(struct i2c_client *client, struct rtc_time *tm) -+{ -+ unsigned char buf[7] = { RS5C372_REG_BASE }; -+ -+ /* this implements the 1st reading method, according -+ * to the datasheet. buf[0] is initialized with -+ * address ptr and transmission format register. -+ */ -+ struct i2c_msg msgs[] = { -+ { client->addr, 0, 1, buf }, -+ { client->addr, I2C_M_RD, 7, buf }, -+ }; -+ -+ if ((i2c_transfer(client->adapter, msgs, 2)) != 2) { -+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -+ return -EIO; -+ } -+ -+ tm->tm_sec = BCD2BIN(buf[RS5C372_REG_SECS] & 0x7f); -+ tm->tm_min = BCD2BIN(buf[RS5C372_REG_MINS] & 0x7f); -+ tm->tm_hour = BCD2BIN(buf[RS5C372_REG_HOURS] & 0x3f); -+ tm->tm_wday = BCD2BIN(buf[RS5C372_REG_WDAY] & 0x07); -+ tm->tm_mday = BCD2BIN(buf[RS5C372_REG_DAY] & 0x3f); -+ -+ /* tm->tm_mon is zero-based */ -+ tm->tm_mon = BCD2BIN(buf[RS5C372_REG_MONTH] & 0x1f) - 1; -+ -+ /* year is 1900 + tm->tm_year */ -+ tm->tm_year = BCD2BIN(buf[RS5C372_REG_YEAR]) + 100; -+ -+ dev_dbg(&client->dev, "%s: tm is secs=%d, mins=%d, hours=%d, " -+ "mday=%d, mon=%d, year=%d, wday=%d\n", -+ __FUNCTION__, -+ tm->tm_sec, tm->tm_min, tm->tm_hour, -+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -+ -+ return 0; -+} -+ -+static int rs5c372_set_datetime(struct i2c_client *client, struct rtc_time *tm) -+{ -+ unsigned char buf[8] = { RS5C372_REG_BASE }; -+ -+ dev_dbg(&client->dev, -+ "%s: secs=%d, mins=%d, hours=%d ", -+ "mday=%d, mon=%d, year=%d, wday=%d\n", -+ __FUNCTION__, tm->tm_sec, tm->tm_min, tm->tm_hour, -+ tm->tm_mday, tm->tm_mon, tm->tm_year, tm->tm_wday); -+ -+ buf[1] = BIN2BCD(tm->tm_sec); -+ buf[2] = BIN2BCD(tm->tm_min); -+ buf[3] = BIN2BCD(tm->tm_hour); -+ buf[4] = BIN2BCD(tm->tm_wday); -+ buf[5] = BIN2BCD(tm->tm_mday); -+ buf[6] = BIN2BCD(tm->tm_mon + 1); -+ buf[7] = BIN2BCD(tm->tm_year - 100); -+ -+ if ((i2c_master_send(client, buf, 8)) != 8) { -+ dev_err(&client->dev, "%s: write error\n", __FUNCTION__); -+ return -EIO; -+ } -+ -+ return 0; -+} -+ -+static int rs5c372_get_trim(struct i2c_client *client, int *osc, int *trim) -+{ -+ unsigned char buf = RS5C372_REG_TRIM; -+ -+ struct i2c_msg msgs[] = { -+ { client->addr, 0, 1, &buf }, -+ { client->addr, I2C_M_RD, 1, &buf }, -+ }; -+ -+ if ((i2c_transfer(client->adapter, msgs, 2)) != 2) { -+ dev_err(&client->dev, "%s: read error\n", __FUNCTION__); -+ return -EIO; -+ } -+ -+ dev_dbg(&client->dev, "%s: raw trim=%x\n", __FUNCTION__, trim); -+ -+ if (osc) -+ *osc = (buf & RS5C372_TRIM_XSL) ? 32000 : 32768; -+ -+ if (trim) -+ *trim = buf & RS5C372_TRIM_MASK; -+ -+ return 0; -+} -+ -+static int rs5c372_rtc_read_time(struct device *dev, struct rtc_time *tm) -+{ -+ return rs5c372_get_datetime(to_i2c_client(dev), tm); -+} -+ -+static int rs5c372_rtc_set_time(struct device *dev, struct rtc_time *tm) -+{ -+ return rs5c372_set_datetime(to_i2c_client(dev), tm); -+} -+ -+static int rs5c372_rtc_proc(struct device *dev, struct seq_file *seq) -+{ -+ int err, osc, trim; -+ -+ seq_printf(seq, "24hr\t\t: yes\n"); -+ -+ if ((err = rs5c372_get_trim(to_i2c_client(dev), &osc, &trim)) == 0) { -+ seq_printf(seq, "%d.%03d KHz\n", osc / 1000, osc % 1000); -+ seq_printf(seq, "trim\t: %d\n", trim); -+ } -+ -+ return 0; -+} -+ -+static struct rtc_class_ops rs5c372_rtc_ops = { -+ .proc = rs5c372_rtc_proc, -+ .read_time = rs5c372_rtc_read_time, -+ .set_time = rs5c372_rtc_set_time, -+}; -+ -+static ssize_t rs5c372_sysfs_show_trim(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ int trim; -+ -+ if (rs5c372_get_trim(to_i2c_client(dev), NULL, &trim) == 0) -+ return sprintf(buf, "0x%2x\n", trim); -+ -+ return 0; -+} -+static DEVICE_ATTR(trim, S_IRUGO, rs5c372_sysfs_show_trim, NULL); -+ -+static ssize_t rs5c372_sysfs_show_osc(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ int osc; -+ -+ if (rs5c372_get_trim(to_i2c_client(dev), &osc, NULL) == 0) -+ return sprintf(buf, "%d.%03d KHz\n", osc / 1000, osc % 1000); -+ -+ return 0; -+} -+static DEVICE_ATTR(osc, S_IRUGO, rs5c372_sysfs_show_osc, NULL); -+ -+static int rs5c372_attach(struct i2c_adapter *adapter) -+{ -+ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); -+ return i2c_probe(adapter, &addr_data, rs5c372_probe); -+} -+ -+static int rs5c372_probe(struct i2c_adapter *adapter, int address, int kind) -+{ -+ int err = 0; -+ struct i2c_client *client; -+ struct rtc_device *rtc; -+ -+ dev_dbg(&adapter->dev, "%s\n", __FUNCTION__); -+ -+ if (!i2c_check_functionality(adapter, I2C_FUNC_I2C)) { -+ err = -ENODEV; -+ goto exit; -+ } -+ -+ if (!(client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL))) { -+ err = -ENOMEM; -+ goto exit; -+ } -+ -+ /* I2C client */ -+ client->addr = address; -+ client->driver = &rs5c372_driver; -+ client->adapter = adapter; -+ -+ strlcpy(client->name, rs5c372_driver.driver.name, I2C_NAME_SIZE); -+ -+ /* Inform the i2c layer */ -+ if ((err = i2c_attach_client(client))) -+ goto exit_kfree; -+ -+ dev_info(&client->dev, "chip found, driver version " DRV_VERSION "\n"); -+ -+ rtc = rtc_device_register(rs5c372_driver.driver.name, &client->dev, -+ &rs5c372_rtc_ops, THIS_MODULE); -+ -+ if (IS_ERR(rtc)) { -+ err = PTR_ERR(rtc); -+ dev_err(&client->dev, -+ "unable to register the class device\n"); -+ goto exit_detach; -+ } -+ -+ i2c_set_clientdata(client, rtc); -+ -+ device_create_file(&client->dev, &dev_attr_trim); -+ device_create_file(&client->dev, &dev_attr_osc); -+ -+ return 0; -+ -+exit_detach: -+ i2c_detach_client(client); -+ -+exit_kfree: -+ kfree(client); -+ -+exit: -+ return err; -+} -+ -+static int rs5c372_detach(struct i2c_client *client) -+{ -+ int err; -+ struct rtc_device *rtc = i2c_get_clientdata(client); -+ -+ dev_dbg(&client->dev, "%s\n", __FUNCTION__); -+ -+ if (rtc) -+ rtc_device_unregister(rtc); -+ -+ if ((err = i2c_detach_client(client))) -+ return err; -+ -+ kfree(client); -+ -+ return 0; -+} -+ -+static __init int rs5c372_init(void) -+{ -+ return i2c_add_driver(&rs5c372_driver); -+} -+ -+static __exit void rs5c372_exit(void) -+{ -+ i2c_del_driver(&rs5c372_driver); -+} -+ -+module_init(rs5c372_init); -+module_exit(rs5c372_exit); -+ -+MODULE_AUTHOR( -+ "Pavel Mironchik <pmironchik@optifacio.net>, " -+ "Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("Ricoh RS5C372 RTC driver"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION(DRV_VERSION); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-ep93xx.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,163 @@ -+/* -+ * A driver for the RTC embedded in the Cirrus Logic EP93XX processors -+ * Copyright (c) 2006 Tower Technologies -+ * -+ * Author: Alessandro Zummo <a.zummo@towertech.it> -+ * -+ * 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. -+ */ -+ -+#include <linux/module.h> -+#include <linux/rtc.h> -+#include <linux/platform_device.h> -+#include <asm/hardware.h> -+ -+#define EP93XX_RTC_REG(x) (EP93XX_RTC_BASE + (x)) -+#define EP93XX_RTC_DATA EP93XX_RTC_REG(0x0000) -+#define EP93XX_RTC_LOAD EP93XX_RTC_REG(0x000C) -+#define EP93XX_RTC_SWCOMP EP93XX_RTC_REG(0x0108) -+ -+#define DRV_VERSION "0.2" -+ -+static int ep93xx_get_swcomp(struct device *dev, unsigned short *preload, -+ unsigned short *delete) -+{ -+ unsigned short comp = __raw_readl(EP93XX_RTC_SWCOMP); -+ -+ if (preload) -+ *preload = comp & 0xffff; -+ -+ if (delete) -+ *delete = (comp >> 16) & 0x1f; -+ -+ return 0; -+} -+ -+static int ep93xx_rtc_read_time(struct device *dev, struct rtc_time *tm) -+{ -+ unsigned long time = __raw_readl(EP93XX_RTC_DATA); -+ -+ rtc_time_to_tm(time, tm); -+ return 0; -+} -+ -+static int ep93xx_rtc_set_mmss(struct device *dev, unsigned long secs) -+{ -+ __raw_writel(secs + 1, EP93XX_RTC_LOAD); -+ return 0; -+} -+ -+static int ep93xx_rtc_set_time(struct device *dev, struct rtc_time *tm) -+{ -+ int err; -+ unsigned long secs; -+ -+ err = rtc_tm_to_time(tm, &secs); -+ if (err != 0) -+ return err; -+ -+ return ep93xx_rtc_set_mmss(dev, secs); -+} -+ -+static int ep93xx_rtc_proc(struct device *dev, struct seq_file *seq) -+{ -+ unsigned short preload, delete; -+ -+ ep93xx_get_swcomp(dev, &preload, &delete); -+ -+ seq_printf(seq, "24hr\t\t: yes\n"); -+ seq_printf(seq, "preload\t\t: %d\n", preload); -+ seq_printf(seq, "delete\t\t: %d\n", delete); -+ -+ return 0; -+} -+ -+static struct rtc_class_ops ep93xx_rtc_ops = { -+ .read_time = ep93xx_rtc_read_time, -+ .set_time = ep93xx_rtc_set_time, -+ .set_mmss = ep93xx_rtc_set_mmss, -+ .proc = ep93xx_rtc_proc, -+}; -+ -+static ssize_t ep93xx_sysfs_show_comp_preload(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ unsigned short preload; -+ -+ ep93xx_get_swcomp(dev, &preload, NULL); -+ -+ return sprintf(buf, "%d\n", preload); -+} -+static DEVICE_ATTR(comp_preload, S_IRUGO, ep93xx_sysfs_show_comp_preload, NULL); -+ -+static ssize_t ep93xx_sysfs_show_comp_delete(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ unsigned short delete; -+ -+ ep93xx_get_swcomp(dev, NULL, &delete); -+ -+ return sprintf(buf, "%d\n", delete); -+} -+static DEVICE_ATTR(comp_delete, S_IRUGO, ep93xx_sysfs_show_comp_delete, NULL); -+ -+ -+static int __devinit ep93xx_rtc_probe(struct platform_device *dev) -+{ -+ struct rtc_device *rtc = rtc_device_register("ep93xx", -+ &dev->dev, &ep93xx_rtc_ops, THIS_MODULE); -+ -+ if (IS_ERR(rtc)) { -+ dev_err(&dev->dev, "unable to register\n"); -+ return PTR_ERR(rtc); -+ } -+ -+ platform_set_drvdata(dev, rtc); -+ -+ device_create_file(&dev->dev, &dev_attr_comp_preload); -+ device_create_file(&dev->dev, &dev_attr_comp_delete); -+ -+ return 0; -+} -+ -+static int __devexit ep93xx_rtc_remove(struct platform_device *dev) -+{ -+ struct rtc_device *rtc = platform_get_drvdata(dev); -+ -+ if (rtc) -+ rtc_device_unregister(rtc); -+ -+ platform_set_drvdata(dev, NULL); -+ -+ return 0; -+} -+ -+static struct platform_driver ep93xx_rtc_platform_driver = { -+ .driver = { -+ .name = "ep93xx-rtc", -+ .owner = THIS_MODULE, -+ }, -+ .probe = ep93xx_rtc_probe, -+ .remove = __devexit_p(ep93xx_rtc_remove), -+}; -+ -+static int __init ep93xx_rtc_init(void) -+{ -+ return platform_driver_register(&ep93xx_rtc_platform_driver); -+} -+ -+static void __exit ep93xx_rtc_exit(void) -+{ -+ platform_driver_unregister(&ep93xx_rtc_platform_driver); -+} -+ -+MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>"); -+MODULE_DESCRIPTION("EP93XX RTC driver"); -+MODULE_LICENSE("GPL"); -+MODULE_VERSION(DRV_VERSION); -+ -+module_init(ep93xx_rtc_init); -+module_exit(ep93xx_rtc_exit); ---- /dev/null 1970-01-01 00:00:00.000000000 +0000 -+++ linux-ixp4xx/drivers/rtc/rtc-sa1100.c 2006-03-08 01:59:26.000000000 +0100 -@@ -0,0 +1,392 @@ -+/* -+ * Real Time Clock interface for StrongARM SA1x00 and XScale PXA2xx -+ * -+ * Copyright (c) 2000 Nils Faerber -+ * -+ * Based on rtc.c by Paul Gortmaker -+ * -+ * Original Driver by Nils Faerber <nils@kernelconcepts.de> -+ * -+ * Modifications from: -+ * CIH <cih@coventive.com> -+ * Nicolas Pitre <nico@cam.org> -+ * Andrew Christian <andrew.christian@hp.com> -+ * -+ * Converted to the RTC subsystem and Driver Model -+ * by Richard Purdie <rpurdie@rpsys.net> -+ * -+ * 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 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. -+ */ -+ -+#include <linux/platform_device.h> -+#include <linux/module.h> -+#include <linux/rtc.h> -+#include <linux/init.h> -+#include <linux/fs.h> -+#include <linux/interrupt.h> -+#include <linux/string.h> -+#include <linux/pm.h> -+ -+#include <asm/bitops.h> -+#include <asm/hardware.h> -+#include <asm/irq.h> -+#include <asm/rtc.h> -+ -+#ifdef CONFIG_ARCH_PXA -+#include <asm/arch/pxa-regs.h> -+#endif -+ -+#define TIMER_FREQ CLOCK_TICK_RATE -+#define RTC_DEF_DIVIDER 32768 - 1 -+#define RTC_DEF_TRIM 0 -+ -+static unsigned long rtc_freq = 1024; -+static struct rtc_time rtc_alarm; -+static spinlock_t sa1100_rtc_lock = SPIN_LOCK_UNLOCKED; -+ -+static int rtc_update_alarm(struct rtc_time *alrm) -+{ -+ struct rtc_time alarm_tm, now_tm; -+ unsigned long now, time; -+ int ret; -+ -+ do { -+ now = RCNR; -+ rtc_time_to_tm(now, &now_tm); -+ rtc_next_alarm_time(&alarm_tm, &now_tm, alrm); -+ ret = rtc_tm_to_time(&alarm_tm, &time); -+ if (ret != 0) -+ break; -+ -+ RTSR = RTSR & (RTSR_HZE|RTSR_ALE|RTSR_AL); -+ RTAR = time; -+ } while (now != RCNR); -+ -+ return ret; -+} -+ -+static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id, -+ struct pt_regs *regs) -+{ -+ struct platform_device *pdev = to_platform_device(dev_id); -+ struct rtc_device *rtc = platform_get_drvdata(pdev); -+ unsigned int rtsr; -+ unsigned long events = 0; -+ -+ spin_lock(&sa1100_rtc_lock); -+ -+ rtsr = RTSR; -+ /* clear interrupt sources */ -+ RTSR = 0; -+ RTSR = (RTSR_AL | RTSR_HZ) & (rtsr >> 2); -+ -+ /* clear alarm interrupt if it has occurred */ -+ if (rtsr & RTSR_AL) -+ rtsr &= ~RTSR_ALE; -+ RTSR = rtsr & (RTSR_ALE | RTSR_HZE); -+ -+ /* update irq data & counter */ -+ if (rtsr & RTSR_AL) -+ events |= RTC_AF | RTC_IRQF; -+ if (rtsr & RTSR_HZ) -+ events |= RTC_UF | RTC_IRQF; -+ -+ rtc_update_irq(&rtc->class_dev, 1, events); -+ -+ if (rtsr & RTSR_AL && rtc_periodic_alarm(&rtc_alarm)) -+ rtc_update_alarm(&rtc_alarm); -+ -+ spin_unlock(&sa1100_rtc_lock); -+ -+ return IRQ_HANDLED; -+} -+ -+static int rtc_timer1_count; -+ -+static irqreturn_t timer1_interrupt(int irq, void *dev_id, -+ struct pt_regs *regs) -+{ -+ struct platform_device *pdev = to_platform_device(dev_id); -+ struct rtc_device *rtc = platform_get_drvdata(pdev); -+ -+ /* -+ * If we match for the first time, rtc_timer1_count will be 1. -+ * Otherwise, we wrapped around (very unlikely but -+ * still possible) so compute the amount of missed periods. -+ * The match reg is updated only when the data is actually retrieved -+ * to avoid unnecessary interrupts. -+ */ -+ OSSR = OSSR_M1; /* clear match on timer1 */ -+ -+ rtc_update_irq(&rtc->class_dev, rtc_timer1_count, RTC_PF | RTC_IRQF); -+ -+ if (rtc_timer1_count == 1) -+ rtc_timer1_count = (rtc_freq * ((1<<30)/(TIMER_FREQ>>2))); -+ -+ return IRQ_HANDLED; -+} -+ -+static int sa1100_rtc_read_callback(struct device *dev, int data) -+{ -+ if (data & RTC_PF) { -+ /* interpolate missed periods and set match for the next */ -+ unsigned long period = TIMER_FREQ/rtc_freq; -+ unsigned long oscr = OSCR; -+ unsigned long osmr1 = OSMR1; -+ unsigned long missed = (oscr - osmr1)/period; -+ data += missed << 8; -+ OSSR = OSSR_M1; /* clear match on timer 1 */ -+ OSMR1 = osmr1 + (missed + 1)*period; -+ /* Ensure we didn't miss another match in the mean time. -+ * Here we compare (match - OSCR) 8 instead of 0 -- -+ * see comment in pxa_timer_interrupt() for explanation. -+ */ -+ while( (signed long)((osmr1 = OSMR1) - OSCR) <= 8 ) { -+ data += 0x100; -+ OSSR = OSSR_M1; /* clear match on timer 1 */ -+ OSMR1 = osmr1 + period; -+ } -+ } -+ return data; -+} -+ -+static int sa1100_rtc_open(struct device *dev) -+{ -+ int ret; -+ -+ ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, SA_INTERRUPT, -+ "rtc 1Hz", dev); -+ if (ret) { -+ printk(KERN_ERR "rtc: IRQ%d already in use.\n", IRQ_RTC1Hz); -+ goto fail_ui; -+ } -+ ret = request_irq(IRQ_RTCAlrm, sa1100_rtc_interrupt, SA_INTERRUPT, -+ "rtc Alrm", dev); -+ if (ret) { -+ printk(KERN_ERR "rtc: IRQ%d already in use.\n", IRQ_RTCAlrm); -+ goto fail_ai; -+ } -+ ret = request_irq(IRQ_OST1, timer1_interrupt, SA_INTERRUPT, -+ "rtc timer", dev); -+ if (ret) { -+ printk(KERN_ERR "rtc: IRQ%d already in use.\n", IRQ_OST1); -+ goto fail_pi; -+ } -+ return 0; -+ -+ fail_pi: -+ free_irq(IRQ_RTCAlrm, NULL); -+ fail_ai: -+ free_irq(IRQ_RTC1Hz, NULL); -+ fail_ui: -+ return ret; -+} -+ -+static void sa1100_rtc_release(struct device *dev) -+{ -+ spin_lock_irq(&sa1100_rtc_lock); -+ RTSR = 0; -+ OIER &= ~OIER_E1; -+ OSSR = OSSR_M1; -+ spin_unlock_irq(&sa1100_rtc_lock); -+ -+ free_irq(IRQ_OST1, dev); -+ free_irq(IRQ_RTCAlrm, dev); -+ free_irq(IRQ_RTC1Hz, dev); -+} -+ -+ -+static int sa1100_rtc_ioctl(struct device *dev, unsigned int cmd, -+ unsigned long arg) -+{ -+ switch(cmd) { -+ case RTC_AIE_OFF: -+ spin_lock_irq(&sa1100_rtc_lock); -+ RTSR &= ~RTSR_ALE; -+ spin_unlock_irq(&sa1100_rtc_lock); -+ return 0; -+ case RTC_AIE_ON: -+ spin_lock_irq(&sa1100_rtc_lock); -+ RTSR |= RTSR_ALE; -+ spin_unlock_irq(&sa1100_rtc_lock); -+ return 0; -+ case RTC_UIE_OFF: -+ spin_lock_irq(&sa1100_rtc_lock); -+ RTSR &= ~RTSR_HZE; -+ spin_unlock_irq(&sa1100_rtc_lock); -+ return 0; -+ case RTC_UIE_ON: -+ spin_lock_irq(&sa1100_rtc_lock); -+ RTSR |= RTSR_HZE; -+ spin_unlock_irq(&sa1100_rtc_lock); -+ return 0; -+ case RTC_PIE_OFF: -+ spin_lock_irq(&sa1100_rtc_lock); -+ OIER &= ~OIER_E1; -+ spin_unlock_irq(&sa1100_rtc_lock); -+ return 0; -+ case RTC_PIE_ON: -+ if ((rtc_freq > 64) && !capable(CAP_SYS_RESOURCE)) -+ return -EACCES; -+ spin_lock_irq(&sa1100_rtc_lock); -+ OSMR1 = TIMER_FREQ/rtc_freq + OSCR; -+ OIER |= OIER_E1; -+ rtc_timer1_count = 1; -+ spin_unlock_irq(&sa1100_rtc_lock); -+ return 0; -+ case RTC_IRQP_READ: -+ return put_user(rtc_freq, (unsigned long *)arg); -+ case RTC_IRQP_SET: -+ if (arg < 1 || arg > TIMER_FREQ) -+ return -EINVAL; -+ if ((arg > 64) && (!capable(CAP_SYS_RESOURCE))) -+ return -EACCES; -+ rtc_freq = arg; -+ return 0; -+ } -+ return -EINVAL; -+} -+ -+static int sa1100_rtc_read_time(struct device *dev, struct rtc_time *tm) -+{ -+ rtc_time_to_tm(RCNR, tm); -+ return 0; -+} -+ -+static int sa1100_rtc_set_time(struct device *dev, struct rtc_time *tm) -+{ -+ unsigned long time; -+ int ret; -+ -+ ret = rtc_tm_to_time(tm, &time); -+ if (ret == 0) -+ RCNR = time; -+ return ret; -+} -+ -+static int sa1100_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) -+{ -+ memcpy(&alrm->time, &rtc_alarm, sizeof(struct rtc_time)); -+ alrm->pending = RTSR & RTSR_AL ? 1 : 0; -+ return 0; -+} -+ -+static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) -+{ -+ int ret; -+ -+ spin_lock_irq(&sa1100_rtc_lock); -+ ret = rtc_update_alarm(&alrm->time); -+ if (ret == 0) { -+ memcpy(&rtc_alarm, &alrm->time, sizeof(struct rtc_time)); -+ -+ if (alrm->enabled) -+ enable_irq_wake(IRQ_RTCAlrm); -+ else -+ disable_irq_wake(IRQ_RTCAlrm); -+ } -+ spin_unlock_irq(&sa1100_rtc_lock); -+ -+ return ret; -+} -+ -+static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq) -+{ -+ seq_printf(seq, "trim/divider\t: 0x%08x\n", RTTR); -+ seq_printf(seq, "alarm_IRQ\t: %s\n", -+ (RTSR & RTSR_ALE) ? "yes" : "no" ); -+ seq_printf(seq, "update_IRQ\t: %s\n", -+ (RTSR & RTSR_HZE) ? "yes" : "no"); -+ seq_printf(seq, "periodic_IRQ\t: %s\n", -+ (OIER & OIER_E1) ? "yes" : "no"); -+ seq_printf(seq, "periodic_freq\t: %ld\n", rtc_freq); -+ -+ return 0; -+} -+ -+static struct rtc_class_ops sa1100_rtc_ops = { -+ .open = sa1100_rtc_open, -+ .read_callback = sa1100_rtc_read_callback, -+ .release = sa1100_rtc_release, -+ .ioctl = sa1100_rtc_ioctl, -+ .read_time = sa1100_rtc_read_time, -+ .set_time = sa1100_rtc_set_time, -+ .read_alarm = sa1100_rtc_read_alarm, -+ .set_alarm = sa1100_rtc_set_alarm, -+ .proc = sa1100_rtc_proc, -+}; -+ -+static int sa1100_rtc_probe(struct platform_device *pdev) -+{ -+ struct rtc_device *rtc; -+ -+ /* -+ * According to the manual we should be able to let RTTR be zero -+ * and then a default diviser for a 32.768KHz clock is used. -+ * Apparently this doesn't work, at least for my SA1110 rev 5. -+ * If the clock divider is uninitialized then reset it to the -+ * default value to get the 1Hz clock. -+ */ -+ if (RTTR == 0) { -+ RTTR = RTC_DEF_DIVIDER + (RTC_DEF_TRIM << 16); -+ printk(KERN_WARNING "rtc: warning: initializing default clock divider/trim value\n"); -+ /* The current RTC value probably doesn't make sense either */ -+ RCNR = 0; -+ } -+ -+ rtc = rtc_device_register(pdev->name, &pdev->dev, &sa1100_rtc_ops, -+ THIS_MODULE); -+ -+ if (IS_ERR(rtc)) { -+ dev_err(&pdev->dev, "Unable to register the RTC device\n"); -+ return PTR_ERR(rtc); -+ } -+ -+ platform_set_drvdata(pdev, rtc); -+ -+ dev_info(&pdev->dev, "SA11xx/PXA2xx RTC Registered\n"); -+ -+ return 0; -+} -+ -+static int sa1100_rtc_remove(struct platform_device *pdev) -+{ -+ struct rtc_device *rtc = platform_get_drvdata(pdev); -+ -+ if (rtc) -+ rtc_device_unregister(rtc); -+ -+ return 0; -+} -+ -+static struct platform_driver sa1100_rtc_driver = { -+ .probe = sa1100_rtc_probe, -+ .remove = sa1100_rtc_remove, -+ .driver = { -+ .name = "sa1100-rtc", -+ }, -+}; -+ -+static int __init sa1100_rtc_init(void) -+{ -+ return platform_driver_register(&sa1100_rtc_driver); -+} -+ -+static void __exit sa1100_rtc_exit(void) -+{ -+ platform_driver_unregister(&sa1100_rtc_driver); -+} -+ -+module_init(sa1100_rtc_init); -+module_exit(sa1100_rtc_exit); -+ -+MODULE_AUTHOR("Richard Purdie <rpurdie@rpsys.net>"); -+MODULE_DESCRIPTION("SA11x0/PXA2xx Realtime Clock Driver (RTC)"); -+MODULE_LICENSE("GPL"); ---- linux-ixp4xx.orig/arch/arm/mach-pxa/generic.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/arm/mach-pxa/generic.c 2006-03-08 01:59:26.000000000 +0100 -@@ -319,6 +319,11 @@ void __init pxa_set_ficp_info(struct pxa - pxaficp_device.dev.platform_data = info; - } - -+static struct platform_device pxartc_device = { -+ .name = "sa1100-rtc", -+ .id = -1, -+}; -+ - static struct platform_device *devices[] __initdata = { - &pxamci_device, - &udc_device, -@@ -329,6 +334,7 @@ static struct platform_device *devices[] - &pxaficp_device, - &i2c_device, - &i2s_device, -+ &pxartc_device, - }; - - static int __init pxa_init(void) ---- linux-ixp4xx.orig/arch/arm/mach-sa1100/generic.c 2006-03-08 01:59:09.000000000 +0100 -+++ linux-ixp4xx/arch/arm/mach-sa1100/generic.c 2006-03-08 01:59:26.000000000 +0100 -@@ -324,6 +324,11 @@ void sa11x0_set_irda_data(struct irda_pl - sa11x0ir_device.dev.platform_data = irda; - } - -+static struct platform_device sa11x0rtc_device = { -+ .name = "sa1100-rtc", -+ .id = -1, -+}; -+ - static struct platform_device *sa11x0_devices[] __initdata = { - &sa11x0udc_device, - &sa11x0uart1_device, -@@ -333,6 +338,7 @@ static struct platform_device *sa11x0_de - &sa11x0pcmcia_device, - &sa11x0fb_device, - &sa11x0mtd_device, -+ &sa11x0rtc_device, - }; - - static int __init sa1100_init(void) |