Author: gonzo
Date: Wed Apr 24 23:10:19 2019
New Revision: 346647
URL: https://svnweb.freebsd.org/changeset/base/346647
Log:
[acpi_ibm] Add support for newer Thinkpad models
Add support for newer Thinkpad models with id LEN0268. Was tested on
Thinkpad T480 and ThinkPad X1 Yoga 2nd gen.
PR: 229120
Submitted by: Ali Abdallah <ali...@gmail.com>
MFC after: 1 week
Modified:
head/sys/dev/acpi_support/acpi_ibm.c
Modified: head/sys/dev/acpi_support/acpi_ibm.c
==============================================================================
--- head/sys/dev/acpi_support/acpi_ibm.c Wed Apr 24 22:35:29 2019
(r346646)
+++ head/sys/dev/acpi_support/acpi_ibm.c Wed Apr 24 23:10:19 2019
(r346647)
@@ -349,7 +349,7 @@ static devclass_t acpi_ibm_devclass;
DRIVER_MODULE(acpi_ibm, acpi, acpi_ibm_driver, acpi_ibm_devclass,
0, 0);
MODULE_DEPEND(acpi_ibm, acpi, 1, 1, 1);
-static char *ibm_ids[] = {"IBM0068", "LEN0068", NULL};
+static char *ibm_ids[] = {"IBM0068", "LEN0068", "LEN0268", NULL};
static void
ibm_led(void *softc, int onoff)
@@ -428,9 +428,14 @@ static int
acpi_ibm_attach(device_t dev)
{
int i;
+ int hkey;
struct acpi_ibm_softc *sc;
char *maker, *product;
- devclass_t ec_devclass;
+ ACPI_OBJECT_LIST input;
+ ACPI_OBJECT params[1];
+ ACPI_OBJECT out_obj;
+ ACPI_BUFFER result;
+ devclass_t ec_devclass;
ACPI_FUNCTION_TRACE((char *)(uintptr_t) __func__);
@@ -465,15 +470,42 @@ acpi_ibm_attach(device_t dev)
"initialmask", CTLFLAG_RD,
&sc->events_initialmask, 0, "Initial eventmask");
- /* The availmask is the bitmask of supported events */
- if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
- IBM_NAME_EVENTS_AVAILMASK, &sc->events_availmask)))
+ if (ACPI_SUCCESS (acpi_GetInteger(sc->handle, "MHKV", &hkey))) {
+ device_printf(dev, "Firmware version is 0x%X\n", hkey);
+ switch(hkey >> 8)
+ {
+ case 1:
+ /* The availmask is the bitmask of supported
events */
+ if (ACPI_FAILURE(acpi_GetInteger(sc->handle,
+ IBM_NAME_EVENTS_AVAILMASK,
&sc->events_availmask)))
+ sc->events_availmask = 0xffffffff;
+ break;
+
+ case 2:
+ result.Length = sizeof(out_obj);
+ result.Pointer = &out_obj;
+ params[0].Type = ACPI_TYPE_INTEGER;
+ params[0].Integer.Value = 1;
+ input.Pointer = params;
+ input.Count = 1;
+
+ sc->events_availmask = 0xffffffff;
+
+ if (ACPI_SUCCESS(AcpiEvaluateObject (sc->handle,
+ IBM_NAME_EVENTS_AVAILMASK, &input,
&result)))
+ sc->events_availmask =
out_obj.Integer.Value;
+ break;
+ default:
+ device_printf(dev, "Unknown firmware version
0x%x\n", hkey);
+ break;
+ }
+ } else
sc->events_availmask = 0xffffffff;
SYSCTL_ADD_UINT(sc->sysctl_ctx,
- SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
- "availmask", CTLFLAG_RD,
- &sc->events_availmask, 0, "Mask of supported events");
+ SYSCTL_CHILDREN(sc->sysctl_tree), OID_AUTO,
+ "availmask", CTLFLAG_RD,
+ &sc->events_availmask, 0, "Mask of supported
events");
}
/* Hook up proc nodes */
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