powerpc/ps3: Add rtc-ps3
Create a real RTC driver for PS3, and unhook the deprecated ppc_md.[gs]et_rtc_time. Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Acked-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
This commit is contained in:
parent
bcd68a70cb
commit
0b5f037a4d
|
@ -50,6 +50,9 @@ enum ps3_param_av_multi_out {
|
||||||
|
|
||||||
enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void);
|
enum ps3_param_av_multi_out ps3_os_area_get_av_multi_out(void);
|
||||||
|
|
||||||
|
extern u64 ps3_os_area_get_rtc_diff(void);
|
||||||
|
extern void ps3_os_area_set_rtc_diff(u64 rtc_diff);
|
||||||
|
|
||||||
/* dma routines */
|
/* dma routines */
|
||||||
|
|
||||||
enum ps3_dma_page_size {
|
enum ps3_dma_page_size {
|
||||||
|
|
|
@ -808,6 +808,7 @@ u64 ps3_os_area_get_rtc_diff(void)
|
||||||
{
|
{
|
||||||
return saved_params.rtc_diff;
|
return saved_params.rtc_diff;
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL(ps3_os_area_get_rtc_diff);
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* ps3_os_area_set_rtc_diff - Set the rtc diff value.
|
* ps3_os_area_set_rtc_diff - Set the rtc diff value.
|
||||||
|
@ -823,6 +824,7 @@ void ps3_os_area_set_rtc_diff(u64 rtc_diff)
|
||||||
os_area_queue_work();
|
os_area_queue_work();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
EXPORT_SYMBOL(ps3_os_area_set_rtc_diff);
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* ps3_os_area_get_av_multi_out - Returns the default video mode.
|
* ps3_os_area_get_av_multi_out - Returns the default video mode.
|
||||||
|
|
|
@ -64,8 +64,6 @@ int ps3_set_rtc_time(struct rtc_time *time);
|
||||||
|
|
||||||
void __init ps3_os_area_save_params(void);
|
void __init ps3_os_area_save_params(void);
|
||||||
void __init ps3_os_area_init(void);
|
void __init ps3_os_area_init(void);
|
||||||
u64 ps3_os_area_get_rtc_diff(void);
|
|
||||||
void ps3_os_area_set_rtc_diff(u64 rtc_diff);
|
|
||||||
|
|
||||||
/* spu */
|
/* spu */
|
||||||
|
|
||||||
|
|
|
@ -270,8 +270,6 @@ define_machine(ps3) {
|
||||||
.init_IRQ = ps3_init_IRQ,
|
.init_IRQ = ps3_init_IRQ,
|
||||||
.panic = ps3_panic,
|
.panic = ps3_panic,
|
||||||
.get_boot_time = ps3_get_boot_time,
|
.get_boot_time = ps3_get_boot_time,
|
||||||
.set_rtc_time = ps3_set_rtc_time,
|
|
||||||
.get_rtc_time = ps3_get_rtc_time,
|
|
||||||
.set_dabr = ps3_set_dabr,
|
.set_dabr = ps3_set_dabr,
|
||||||
.calibrate_decr = ps3_calibrate_decr,
|
.calibrate_decr = ps3_calibrate_decr,
|
||||||
.progress = ps3_progress,
|
.progress = ps3_progress,
|
||||||
|
|
|
@ -19,6 +19,7 @@
|
||||||
*/
|
*/
|
||||||
|
|
||||||
#include <linux/kernel.h>
|
#include <linux/kernel.h>
|
||||||
|
#include <linux/platform_device.h>
|
||||||
|
|
||||||
#include <asm/rtc.h>
|
#include <asm/rtc.h>
|
||||||
#include <asm/lv1call.h>
|
#include <asm/lv1call.h>
|
||||||
|
@ -74,23 +75,20 @@ static u64 read_rtc(void)
|
||||||
return rtc_val;
|
return rtc_val;
|
||||||
}
|
}
|
||||||
|
|
||||||
int ps3_set_rtc_time(struct rtc_time *tm)
|
|
||||||
{
|
|
||||||
u64 now = mktime(tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
|
|
||||||
tm->tm_hour, tm->tm_min, tm->tm_sec);
|
|
||||||
|
|
||||||
ps3_os_area_set_rtc_diff(now - read_rtc());
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
void ps3_get_rtc_time(struct rtc_time *tm)
|
|
||||||
{
|
|
||||||
to_tm(read_rtc() + ps3_os_area_get_rtc_diff(), tm);
|
|
||||||
tm->tm_year -= 1900;
|
|
||||||
tm->tm_mon -= 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
unsigned long __init ps3_get_boot_time(void)
|
unsigned long __init ps3_get_boot_time(void)
|
||||||
{
|
{
|
||||||
return read_rtc() + ps3_os_area_get_rtc_diff();
|
return read_rtc() + ps3_os_area_get_rtc_diff();
|
||||||
}
|
}
|
||||||
|
|
||||||
|
static int __init ps3_rtc_init(void)
|
||||||
|
{
|
||||||
|
struct platform_device *pdev;
|
||||||
|
|
||||||
|
pdev = platform_device_register_simple("rtc-ps3", -1, NULL, 0);
|
||||||
|
if (IS_ERR(pdev))
|
||||||
|
return PTR_ERR(pdev);
|
||||||
|
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
module_init(ps3_rtc_init);
|
||||||
|
|
|
@ -741,4 +741,13 @@ config RTC_DRV_MV
|
||||||
This driver can also be built as a module. If so, the module
|
This driver can also be built as a module. If so, the module
|
||||||
will be called rtc-mv.
|
will be called rtc-mv.
|
||||||
|
|
||||||
|
config RTC_DRV_PS3
|
||||||
|
tristate "PS3 RTC"
|
||||||
|
depends on PPC_PS3
|
||||||
|
help
|
||||||
|
If you say yes here you will get support for the RTC on PS3.
|
||||||
|
|
||||||
|
This driver can also be built as a module. If so, the module
|
||||||
|
will be called rtc-ps3.
|
||||||
|
|
||||||
endif # RTC_CLASS
|
endif # RTC_CLASS
|
||||||
|
|
|
@ -76,3 +76,4 @@ obj-$(CONFIG_RTC_DRV_VR41XX) += rtc-vr41xx.o
|
||||||
obj-$(CONFIG_RTC_DRV_WM8350) += rtc-wm8350.o
|
obj-$(CONFIG_RTC_DRV_WM8350) += rtc-wm8350.o
|
||||||
obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o
|
obj-$(CONFIG_RTC_DRV_X1205) += rtc-x1205.o
|
||||||
obj-$(CONFIG_RTC_DRV_PCF50633) += rtc-pcf50633.o
|
obj-$(CONFIG_RTC_DRV_PCF50633) += rtc-pcf50633.o
|
||||||
|
obj-$(CONFIG_RTC_DRV_PS3) += rtc-ps3.o
|
||||||
|
|
|
@ -0,0 +1,104 @@
|
||||||
|
/*
|
||||||
|
* PS3 RTC Driver
|
||||||
|
*
|
||||||
|
* Copyright 2009 Sony Corporation
|
||||||
|
*
|
||||||
|
* 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.
|
||||||
|
*
|
||||||
|
* This program is distributed in the hope that it will be useful,
|
||||||
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||||
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||||
|
* GNU General Public License for more details.
|
||||||
|
*
|
||||||
|
* You should have received a copy of the GNU General Public License
|
||||||
|
* along with this program.
|
||||||
|
* If not, see <http://www.gnu.org/licenses/>.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <linux/kernel.h>
|
||||||
|
#include <linux/module.h>
|
||||||
|
#include <linux/platform_device.h>
|
||||||
|
#include <linux/rtc.h>
|
||||||
|
|
||||||
|
#include <asm/lv1call.h>
|
||||||
|
#include <asm/ps3.h>
|
||||||
|
|
||||||
|
|
||||||
|
static u64 read_rtc(void)
|
||||||
|
{
|
||||||
|
int result;
|
||||||
|
u64 rtc_val;
|
||||||
|
u64 tb_val;
|
||||||
|
|
||||||
|
result = lv1_get_rtc(&rtc_val, &tb_val);
|
||||||
|
BUG_ON(result);
|
||||||
|
|
||||||
|
return rtc_val;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ps3_get_time(struct device *dev, struct rtc_time *tm)
|
||||||
|
{
|
||||||
|
rtc_time_to_tm(read_rtc() + ps3_os_area_get_rtc_diff(), tm);
|
||||||
|
return rtc_valid_tm(tm);
|
||||||
|
}
|
||||||
|
|
||||||
|
static int ps3_set_time(struct device *dev, struct rtc_time *tm)
|
||||||
|
{
|
||||||
|
unsigned long now;
|
||||||
|
|
||||||
|
rtc_tm_to_time(tm, &now);
|
||||||
|
ps3_os_area_set_rtc_diff(now - read_rtc());
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct rtc_class_ops ps3_rtc_ops = {
|
||||||
|
.read_time = ps3_get_time,
|
||||||
|
.set_time = ps3_set_time,
|
||||||
|
};
|
||||||
|
|
||||||
|
static int __init ps3_rtc_probe(struct platform_device *dev)
|
||||||
|
{
|
||||||
|
struct rtc_device *rtc;
|
||||||
|
|
||||||
|
rtc = rtc_device_register("rtc-ps3", &dev->dev, &ps3_rtc_ops,
|
||||||
|
THIS_MODULE);
|
||||||
|
if (IS_ERR(rtc))
|
||||||
|
return PTR_ERR(rtc);
|
||||||
|
|
||||||
|
platform_set_drvdata(dev, rtc);
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static int __exit ps3_rtc_remove(struct platform_device *dev)
|
||||||
|
{
|
||||||
|
rtc_device_unregister(platform_get_drvdata(dev));
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct platform_driver ps3_rtc_driver = {
|
||||||
|
.driver = {
|
||||||
|
.name = "rtc-ps3",
|
||||||
|
.owner = THIS_MODULE,
|
||||||
|
},
|
||||||
|
.remove = __exit_p(ps3_rtc_remove),
|
||||||
|
};
|
||||||
|
|
||||||
|
static int __init ps3_rtc_init(void)
|
||||||
|
{
|
||||||
|
return platform_driver_probe(&ps3_rtc_driver, ps3_rtc_probe);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void __exit ps3_rtc_fini(void)
|
||||||
|
{
|
||||||
|
platform_driver_unregister(&ps3_rtc_driver);
|
||||||
|
}
|
||||||
|
|
||||||
|
module_init(ps3_rtc_init);
|
||||||
|
module_exit(ps3_rtc_fini);
|
||||||
|
|
||||||
|
MODULE_AUTHOR("Sony Corporation");
|
||||||
|
MODULE_LICENSE("GPL");
|
||||||
|
MODULE_DESCRIPTION("ps3 RTC driver");
|
||||||
|
MODULE_ALIAS("platform:rtc-ps3");
|
Loading…
Reference in New Issue