Date: Sat, 09 Oct 2004 20:07:31 -0700 From: Nate Lawson <nate@root.org> To: Bruce M Simpson <bms@spc.org> Cc: Jordan Sissel <psionic@gmail.com> Subject: Re: Radeon AGP suspend/resume support Message-ID: <4168A773.3020705@root.org> In-Reply-To: <20041008223600.GL718@empiric.icir.org> References: <5ad23a300410071928791fa9c@mail.gmail.com> <20041008030317.GV664@empiric.icir.org> <5ad23a3004100720467646e1ea@mail.gmail.com> <20041008102758.GH718@empiric.icir.org> <20041008223600.GL718@empiric.icir.org>
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Bruce M Simpson wrote:
> There are two problems with this:
> 1) This uses a NetBSD specific interface, which, whilst broadly similar
> to FreeBSD's apm support, is not ABI compatible with ours.
> 2) The ACPI apm shim does not dispatch such events. They are only
> dispatched within the system if 'real' BIOS APM support is in the
> kernel. This cannot co-exist with ACPI. Furthermore they are only
> announced on the /dev/apmctl device; there are some comments in the
> code to this effect.
Oops, forgot the attachment for FreeBSD compat defines. Here it is
(untested).
-Nate
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filename="x_apm.diff"
--- bsd_apm.c.orig Sat Oct 9 12:14:26 2004
+++ bsd_apm.c Sat Oct 9 12:24:32 2004
@@ -8,12 +8,36 @@
#include "xf86_OSproc.h"
#include "xf86_OSlib.h"
+#ifdef __FreeBSD__
+#include <machine/apm_bios.h>
+#else
#include <machine/apmvar.h>
+#endif
#define APM_DEVICE "/dev/apm"
static pointer APMihPtr = NULL;
static void bsdCloseAPM(void);
+
+/* Compat defines for FreeBSD APM. */
+#ifdef __FreeBSD__
+#define APM_STANDBY_REQ PMEV_STANDBYREQ
+#define APM_SUSPEND_REQ PMEV_SUSPENDREQ
+#define APM_NORMAL_RESUME PMEV_NORMALRESUME
+#define APM_CRIT_RESUME PMEV_CRITRESUME
+#define APM_BATTERY_LOW PMEV_BATTERYLOW
+#define APM_POWER_CHANGE PMEV_POWERCHANGE
+#define APM_UPDATE_TIME PMEV_UPDATETIME
+#define APM_CRIT_SUSPEND_REQ PMEV_CRITSUSPENDREQ
+#define APM_USER_STANDBY_REQ PMEV_USERSTANDBYREQ
+#define APM_USER_SUSPEND_REQ PMEV_USERSUSPENDREQ
+#define APM_SYS_STANDBY_RESUME PMEV_STANDBYRESUME
+#define APM_CAPABILITY_CHANGE PMEV_CAPABILITIESCHANGE
+
+#define APM_IOC_NEXTEVENT APMIO_NEXTEVENT
+#define APM_IOC_STANDBY APMIO_STANDBY
+#define APM_IOC_SUSPEND APMIO_SUSPEND
+#endif /* __FreeBSD__ */
static struct {
u_int apmBsd;
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