No problem... attached. And amd64 doesn't matter - works for x86-based
computers with the basic CMOS RTC chip (PNP0B00). Hopefully your
suspend/resume problems are due to your ACPI BIOS needing to read/write info
from/to CMOS and not finding a CMOS handler.
Anthony
On 08/25/2014 11:50, 张晓靖 wrote:
> I google less than complete information. Do you have the relevant code can be
> shared under it? I found atrtc.c file in /usr/src/sys/x86/isa directory, but
> my system is amd64 of ......
>
> root@skycn:~ # uname -a
> FreeBSD skycn 10.0-RELEASE-p7 FreeBSD 10.0-RELEASE-p7 #2: Sat Aug 16 00:06:30
> CST 2014 root@skycn:/usr/obj/usr/src/sys/MyKernel amd64
>
>
> -----邮件原件-----
> 发件人: Anthony Jenkins [mailto:[email protected]]
> 发送时间: 2014年8月16日 5:18
> 收件人: 张晓靖; 'Kevin Oberman'
> 抄送: [email protected]
> 主题: Re: 答复: My laptop can't resume from suspend.
>
> On 08/15/2014 16:20, 张晓靖 wrote:
>> Thank Bykov Vladislav and Kevin Oberman's recommendations. Later I
>> received an e-mail,
>>
>> immediately compile the kernel (make a note #options VESA).But the
>> problem persists, dmesg
>>
>> Information Reference url http://url.cn/SQ0vXD.
>>
>>
>>
>> Even worse thing is, I do use "acpiconf -s 3"debugger, resulting in a
>> notebook can not boot
>>
>> until yesterday afternoon for a good notebook motherboard, now do not
>> dare to use “acpiconf
>>
>> -s 3” testing.
>>
>>
>>
>> Do you have suggestions for me?
> You could dig up my kernel patch (Google "FreeBSD ACPI CMOS region support
> atrtc.c.patch") to play with, it works to enable suspend/resume on some
> laptops and should be safe to try. I still need to clean it up (style, other
> suggestions) for submission to FreeBSD, haven't gotten around to it yet.
>
> Anthony Jenkins
>
>> Thanks you~
>>
>>
>>
>>
>>
>>
>>
>> -----邮件原件-----
>> 发件人: Bykov Vladislav [mailto:[email protected]]
>> 发送时间: 2014年8月13日 0:13
>> 收件人: 张晓靖
>> 主题: Re: My laptop can't resume from suspend.
>>
>>
>>
>> On Tue, Aug 12, 2014 at 12:20:28PM +0800, 张晓靖 wrote:
>>
>>> The laptop can't resume, the screen no display, no beep sound.
>> Can you please try to install video driver for your card and remove VESA
>> device from kernel configuration?
>>
>>
>>
>>
>>
>> 发件人: [email protected] [mailto:[email protected]] 代表 Kevin Oberman
>> 发送时间: 2014年8月13日 1:15
>> 收件人: 张晓靖
>> 抄送: [email protected]
>> 主题: Re: My laptop can't resume from suspend.
>>
>>
>>
>> On Mon, Aug 11, 2014 at 9:20 PM, 张晓靖 <[email protected]
>> <mailto:[email protected]> > wrote:
>>
>> Hello,
>>
>> I am having a problem.
>>
>> My laptop is lenovo's zhaoyang K47A series HM65.
>>
>> I used ati graphics CARDS, Use the url (
>> <https://wiki.freebsd.org/Graphics> https://wiki.freebsd.org/Graphics)
>> the method of normal driving the graphics card.
>>
>>
>>
>> After set "
>>
>> sysctl debug. Bootverbose = 1
>>
>> sysctl debug. Acpi. Suspend_bounce = 1
>>
>> sysctl debug. Acpi. Resume_beep = 1
>>
>> acpiconf -s 3
>>
>> "
>>
>> The laptop can't resume, the screen no display, no beep sound.
>>
>>
>>
>> Disabling ACPI not helps to fix the problem. All files downloaded from
>> http://url.cn/WVISGF.
>>
>>
>>
>> Output from sysctl hw.acpi
>>
>> hw.acpi.supported_sleep_state: S1 S3 S4 S5
>>
>> hw.acpi.power_button_state: S5
>>
>> hw.acpi.sleep_button_state: S1
>>
>> hw.acpi.lid_switch_state: NONE
>>
>> hw.acpi.standby_state: S1
>>
>> hw.acpi.suspend_state: S3
>>
>> hw.acpi.sleep_delay: 1
>>
>> hw.acpi.s4bios: 0
>>
>> hw.acpi.verbose: 1
>>
>> hw.acpi.disable_on_reboot: 0
>>
>> hw.acpi.handle_reboot: 0
>>
>> hw.acpi.reset_video: 0
>>
>> hw.acpi.cpu.cx_lowest: C1
>>
>> hw.acpi.acline: 1
>>
>> hw.acpi.battery.life: 100
>>
>> hw.acpi.battery.time: -1
>>
>> hw.acpi.battery.state: 0
>>
>> hw.acpi.battery.units: 2
>>
>> hw.acpi.battery.info_expire: 5
>>
>> hw.acpi.thermal.min_runtime: 0
>>
>> hw.acpi.thermal.polling_rate: 10
>>
>> hw.acpi.thermal.user_override: 0
>>
>> hw.acpi.thermal.tz0.temperature: 62.0C
>>
>> hw.acpi.thermal.tz0.active: -1
>>
>> hw.acpi.thermal.tz0.passive_cooling: 1
>>
>> hw.acpi.thermal.tz0.thermal_flags: 0
>>
>> hw.acpi.thermal.tz0._PSV: 95.0C
>>
>> hw.acpi.thermal.tz0._HOT: -1
>>
>> hw.acpi.thermal.tz0._CRT: 100.0C
>>
>> hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
>>
>> hw.acpi.thermal.tz0._TC1: 2
>>
>> hw.acpi.thermal.tz0._TC2: 3
>>
>> hw.acpi.thermal.tz0._TSP: 100
>>
>>
>>
>> Sincerely,
>> ZhangXiaoJing.
>>
>>
>>
>> Have you tried building the kernel without VESA? Many laptops won't resume
>> if you leave VESA in the kernel build.
>>
>> --
>>
>>
>> R. Kevin Oberman, Network Engineer, Retired
>> E-mail: [email protected] <mailto:[email protected]>
>>
>> _______________________________________________
>> [email protected] mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-acpi
>> To unsubscribe, send any mail to "[email protected]"
>
>
Index: sys/x86/isa/atrtc.c
===================================================================
--- sys/x86/isa/atrtc.c (revision 268728)
+++ sys/x86/isa/atrtc.c (working copy)
@@ -31,6 +31,7 @@
__FBSDID("$FreeBSD$");
#include "opt_isa.h"
+#include "opt_acpi.h"
#include <sys/param.h>
#include <sys/systm.h>
@@ -53,12 +54,19 @@
#include <machine/intr_machdep.h>
#include "clock_if.h"
+#include <contrib/dev/acpica/include/acpi.h>
+#include <contrib/dev/acpica/include/accommon.h>
+#include <dev/acpica/acpivar.h>
+
#define RTC_LOCK do { if (!kdb_active) mtx_lock_spin(&clock_lock); } while (0)
#define RTC_UNLOCK do { if (!kdb_active) mtx_unlock_spin(&clock_lock); } while (0)
+#define IO_DELAY() (void)inb(0x84)
+#define IO_RTC_ADDR (IO_RTC + 0)
+#define IO_RTC_DATA (IO_RTC + 1)
+
int atrtcclock_disable = 0;
-static int rtc_reg = -1;
static u_char rtc_statusa = RTCSA_DIVIDER | RTCSA_NOPROF;
static u_char rtc_statusb = RTCSB_24HR;
@@ -66,39 +74,50 @@
* RTC support routines
*/
-int
-rtcin(int reg)
+static void acpi_cmos_read(ACPI_PHYSICAL_ADDRESS address, UINT8 *buf, UINT32 buflen)
{
- u_char val;
+ UINT32 offset;
RTC_LOCK;
- if (rtc_reg != reg) {
- inb(0x84);
- outb(IO_RTC, reg);
- rtc_reg = reg;
- inb(0x84);
+ for (offset = 0U; offset < buflen; ++offset) {
+ IO_DELAY();
+ outb(IO_RTC_ADDR, ((address + offset) | 0x80) & 0xFF);
+ IO_DELAY();
+ buf[offset] = inb(IO_RTC_DATA);
}
- val = inb(IO_RTC + 1);
RTC_UNLOCK;
- return (val);
}
-void
-writertc(int reg, u_char val)
+static void acpi_cmos_write(ACPI_PHYSICAL_ADDRESS address, const UINT8 *buf, UINT32 buflen)
{
+ UINT32 offset;
RTC_LOCK;
- if (rtc_reg != reg) {
- inb(0x84);
- outb(IO_RTC, reg);
- rtc_reg = reg;
- inb(0x84);
+ for (offset = 0U; offset < buflen; ++offset) {
+ IO_DELAY();
+ outb(IO_RTC_ADDR, ((address + offset) | 0x80) & 0xFF);
+ IO_DELAY();
+ outb(IO_RTC_DATA, buf[offset]);
}
- outb(IO_RTC + 1, val);
- inb(0x84);
+ IO_DELAY();
RTC_UNLOCK;
}
+int
+rtcin(int reg)
+{
+ u_char val;
+
+ acpi_cmos_read(reg & 0xFF, &val, 1);
+ return (val);
+}
+
+void
+writertc(int reg, u_char val)
+{
+ acpi_cmos_write(reg & 0xFF, &val, 1);
+}
+
static __inline int
readrtc(int port)
{
@@ -144,7 +163,6 @@
{
/* Restore all of the RTC's "status" (actually, control) registers. */
- rtcin(RTC_STATUSA); /* dummy to get rtc_reg set */
writertc(RTC_STATUSB, RTCSB_24HR);
writertc(RTC_STATUSA, rtc_statusa);
writertc(RTC_STATUSB, rtc_statusb);
@@ -161,9 +179,52 @@
struct resource *intr_res;
void *intr_handler;
struct eventtimer et;
+ ACPI_HANDLE acpi_handle; /* Handle of the PNP0B00 node */
};
static int
+is_datetime_reg(ACPI_PHYSICAL_ADDRESS address)
+{
+ return address == 0x00 ||
+ address == 0x02 ||
+ address == 0x04 ||
+ address == 0x04 ||
+ (address >= 0x06 && address <= 0x09);
+}
+
+static ACPI_STATUS
+acpi_rtc_cmos_handler(UINT32 function, ACPI_PHYSICAL_ADDRESS address, UINT32 width,
+ UINT64 *value, void *context, void *region_context)
+{
+ struct atrtc_softc *sc;
+
+ sc = (struct atrtc_softc *)context;
+ if (!value || !sc)
+ return AE_BAD_PARAMETER;
+ if (width > 32 || (width & 0x07) || address >= 64U)
+ return AE_BAD_PARAMETER;
+ if (function == ACPI_WRITE &&
+ (is_datetime_reg(address) ||
+ (width > 8 && address <= 0x09)))
+ return AE_BAD_PARAMETER;
+
+ switch (function) {
+ case ACPI_READ:
+ acpi_cmos_read(address, (UINT8 *)value, width >> 3);
+ break;
+ case ACPI_WRITE:
+ acpi_cmos_write(address, (const UINT8 *)value, width >> 3);
+ break;
+ default:
+ return AE_BAD_PARAMETER;
+ }
+ printf("%s: %-5s%02u address=%04lx value=%08x\n",
+ __FUNCTION__, function == ACPI_READ ? "READ" : "WRITE",
+ width >> 3, address, *((UINT32 *)value));
+ return AE_OK;
+}
+
+static int
rtc_start(struct eventtimer *et, sbintime_t first, sbintime_t period)
{
@@ -245,10 +306,17 @@
int i;
sc = device_get_softc(dev);
+ sc->acpi_handle = acpi_get_handle(dev);
sc->port_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->port_rid,
IO_RTC, IO_RTC + 1, 2, RF_ACTIVE);
if (sc->port_res == NULL)
device_printf(dev, "Warning: Couldn't map I/O.\n");
+ if (ACPI_FAILURE(AcpiInstallAddressSpaceHandler(sc->acpi_handle,
+ ACPI_ADR_SPACE_CMOS, acpi_rtc_cmos_handler, NULL, sc)))
+ {
+ device_printf(dev, "Error registering ACPI CMOS address space handler.\n");
+ return 0;
+ }
atrtc_start();
clock_register(dev, 1000000);
bzero(&sc->et, sizeof(struct eventtimer));
@@ -286,6 +354,15 @@
return(0);
}
+static int atrtc_detach(device_t dev)
+{
+ struct atrtc_softc *sc;
+
+ sc = device_get_softc(dev);
+ AcpiRemoveAddressSpaceHandler(sc->acpi_handle, ACPI_ADR_SPACE_CMOS, acpi_rtc_cmos_handler);
+ return bus_generic_detach(dev);
+}
+
static int
atrtc_resume(device_t dev)
{
@@ -366,7 +443,7 @@
/* Device interface */
DEVMETHOD(device_probe, atrtc_probe),
DEVMETHOD(device_attach, atrtc_attach),
- DEVMETHOD(device_detach, bus_generic_detach),
+ DEVMETHOD(device_detach, atrtc_detach),
DEVMETHOD(device_shutdown, bus_generic_shutdown),
DEVMETHOD(device_suspend, bus_generic_suspend),
/* XXX stop statclock? */
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