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[acpi_ibm] Add support for newer Thinkpad models

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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 <aliovx@gmail.com>
MFC after:	1 week
This commit is contained in:
Oleksandr Tymoshenko 2019-04-24 23:10:19 +00:00
parent 0661cd79ca
commit cc1ac7fcda
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=346647
1 changed files with 40 additions and 8 deletions
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48
sys/dev/acpi_support/acpi_ibm.c
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@ -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 */