Add per hub sysctl to expose port information for phyisical form etc.

Reviewed by:hselasky
Differential Revision:	https://reviews.freebsd.org/D20865
This commit is contained in:
Takanori Watanabe 2019-08-03 16:13:44 +00:00
parent d8dc4e350f
commit 5f0099fcc1

View File

@ -79,11 +79,22 @@
#include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h>
#include <dev/acpica/acpivar.h>
#include <sys/sbuf.h>
#define ACPI_PLD_SIZE 20
struct acpi_uhub_port {
ACPI_HANDLE handle;
#define ACPI_UPC_CONNECTABLE 0x80000000
#define ACPI_UPC_PORTTYPE(x) ((x)&0xff)
uint32_t upc;
uint8_t pld[ACPI_PLD_SIZE];
};
struct acpi_uhub_softc {
struct uhub_softc usc;
uint8_t nports;
ACPI_HANDLE *porthandle;
ACPI_HANDLE ah;
struct acpi_uhub_port *port;
};
static UINT32
@ -107,51 +118,157 @@ acpi_uhub_find_rh_cb(ACPI_HANDLE ah, UINT32 nl, void *ctx, void **status)
return (ret);
}
static const char *
acpi_uhub_upc_type(uint8_t type)
{
const char *typelist[] = {"TypeA", "MiniAB", "Express",
"USB3-A", "USB3-B", "USB-MicroB",
"USB3-MicroAB", "USB3-PowerB",
"TypeC-USB2", "TypeC-Switch",
"TypeC-nonSwitch"};
const int last = sizeof(typelist) / sizeof(typelist[0]);
if (type == 0xff) {
return "Proprietary";
}
return (type < last) ? typelist[type] : "Unknown";
}
static int
acpi_uhub_parse_upc(device_t dev, unsigned int port, ACPI_HANDLE ah)
acpi_uhub_parse_upc(device_t dev, unsigned int p, ACPI_HANDLE ah, struct sysctl_oid_list *poid)
{
ACPI_BUFFER buf;
struct acpi_uhub_softc *sc = device_get_softc(dev);
struct acpi_uhub_port *port = &sc->port[p - 1];
buf.Pointer = NULL;
buf.Length = ACPI_ALLOCATE_BUFFER;
if (AcpiEvaluateObject(ah, "_UPC", NULL, &buf) == AE_OK) {
UINT64 porttypenum, conn;
const char *connectable;
const char *typelist[] = {
"TypeA", "MiniAB", "Express",
"USB3-A", "USB3-B", "USB-MicroB",
"USB3-MicroAB", "USB3-PowerB",
"TypeC-USB2", "TypeC-Switch",
"TypeC-nonSwitch"
};
const char *porttype;
const int last = sizeof(typelist) / sizeof(typelist[0]);
ACPI_OBJECT *obj = buf.Pointer;
UINT64 porttypenum, conn;
uint8_t *connectable;
acpi_PkgInt(obj, 0, &conn);
acpi_PkgInt(obj, 1, &porttypenum);
connectable = conn ? "" : "non";
if (porttypenum == 0xff)
porttype = "Proprietary";
else if (porttypenum < last) {
porttype = typelist[porttypenum];
} else {
porttype = "Unknown";
}
port->upc = porttypenum;
port->upc |= (conn) ? (ACPI_UPC_CONNECTABLE) : 0;
if (usb_debug)
device_printf(dev, "Port %u %sconnectable %s\n",
port, connectable, porttype);
p, connectable,
acpi_uhub_upc_type(porttypenum));
SYSCTL_ADD_U32(
device_get_sysctl_ctx(dev),
poid, OID_AUTO,
"upc",
CTLFLAG_RD | CTLFLAG_MPSAFE,
SYSCTL_NULL_U32_PTR, port->upc,
"UPC value. MSB is visible flag");
}
AcpiOsFree(buf.Pointer);
return (0);
}
static int
acpi_uhub_port_sysctl(SYSCTL_HANDLER_ARGS)
{
struct acpi_uhub_port *port = oidp->oid_arg1;
struct sbuf sb;
int error;
sbuf_new_for_sysctl(&sb, NULL, 256, req);
sbuf_printf(&sb, "Handle %s\n", acpi_name(port->handle));
if (port->upc == 0xffffffff) {
sbuf_printf(&sb, "\tNo information\n");
goto end;
}
sbuf_printf(&sb, "\t");
if (port->upc & ACPI_UPC_CONNECTABLE) {
sbuf_printf(&sb, "Connectable ");
}
sbuf_printf(&sb, "%s port\n", acpi_uhub_upc_type(port->upc & 0xff));
if ((port->pld[0] & 0x80) == 0) {
sbuf_printf(&sb,
"\tColor:#%02x%02x%02x\n",
port->pld[1], port->pld[2],
port->pld[3]);
}
sbuf_printf(&sb, "\tWidth %d mm Height %d mm\n",
port->pld[4] | (port->pld[5] << 8),
port->pld[6] | (port->pld[7] << 8));
if (port->pld[8] & 1) {
sbuf_printf(&sb, "\tVisible\n");
}
if (port->pld[8] & 2) {
sbuf_printf(&sb, "\tDock\n");
}
if (port->pld[8] & 4) {
sbuf_printf(&sb, "\tLid\n");
} {
int panelpos = (port->pld[8] >> 3) & 7;
const char *panposstr[] = {"Top", "Bottom", "Left",
"Right", "Front", "Back",
"Unknown", "Invalid"};
const char *shapestr[] = {
"Round", "Oval", "Square", "VRect", "HRect",
"VTrape", "HTrape", "Unknown", "Chamferd",
"Rsvd", "Rsvd", "Rsvd", "Rsvd",
"Rsvd", "Rsvd", "Rsvd", "Rsvd"};
sbuf_printf(&sb, "\tPanelPosition: %s\n", panposstr[panelpos]);
if (panelpos < 6) {
const char *posstr[] = {"Upper", "Center",
"Lower", "Invalid"};
sbuf_printf(&sb, "\tVertPosition: %s\n",
posstr[(port->pld[8] >> 6) & 3]);
sbuf_printf(&sb, "\tHorizPosition: %s\n",
posstr[(port->pld[9]) & 3]);
}
sbuf_printf(&sb, "\tShape: %s\n",
shapestr[(port->pld[9] >> 2) & 0xf]);
sbuf_printf(&sb, "\tGroup Orientation %s\n",
((port->pld[9] >> 6) & 1) ? "Vertical" :
"Horizontal");
sbuf_printf(&sb, "\tGroupToken %x\n",
((port->pld[9] >> 7)
| (port->pld[10] << 1)) & 0xff);
sbuf_printf(&sb, "\tGroupPosition %x\n",
((port->pld[10] >> 7)
| (port->pld[11] << 1)) & 0xff);
sbuf_printf(&sb, "\t%s %s %s\n",
(port->pld[11] & 0x80) ?
"Bay" : "",
(port->pld[12] & 1) ? "Eject" : "",
(port->pld[12] & 2) ? "OSPM" : ""
);
}
if ((port->pld[0] & 0x7f) >= 2) {
sbuf_printf(&sb, "\tVOFF%d mm HOFF %dmm",
port->pld[16] | (port->pld[17] << 8),
port->pld[18] | (port->pld[19] << 8));
}
end:
error = sbuf_finish(&sb);
sbuf_delete(&sb);
return (error);
}
static int
acpi_uhub_parse_pld(device_t dev, unsigned int port, ACPI_HANDLE ah)
acpi_uhub_parse_pld(device_t dev, unsigned int p, ACPI_HANDLE ah, struct sysctl_oid_list *tree)
{
ACPI_BUFFER buf;
struct acpi_uhub_softc *sc = device_get_softc(dev);
struct acpi_uhub_port *port = &sc->port[p - 1];
buf.Pointer = NULL;
buf.Length = ACPI_ALLOCATE_BUFFER;
@ -176,6 +293,13 @@ acpi_uhub_parse_pld(device_t dev, unsigned int port, ACPI_HANDLE ah)
} else {
goto skip;
}
len = (len < ACPI_PLD_SIZE) ? len : ACPI_PLD_SIZE;
memcpy(port->pld, resbuf, len);
SYSCTL_ADD_OPAQUE(
device_get_sysctl_ctx(dev), tree, OID_AUTO,
"pldraw", CTLFLAG_RD | CTLFLAG_MPSAFE,
port->pld, len, "A", "Raw PLD value");
if (usb_debug) {
device_printf(dev, "Revision:%d\n",
resbuf[0] & 0x7f);
@ -252,9 +376,28 @@ acpi_usb_hub_port_probe_cb(ACPI_HANDLE ah, UINT32 lv, void *ctx, void **rv)
if ((devinfo->Valid & ACPI_VALID_ADR) &&
(devinfo->Address > 0) &&
(devinfo->Address <= (uint64_t)sc->nports)) {
sc->porthandle[devinfo->Address - 1] = ah;
acpi_uhub_parse_upc(dev, devinfo->Address, ah);
acpi_uhub_parse_pld(dev, devinfo->Address, ah);
char buf[] = "portXXX";
struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(dev);
struct sysctl_oid *oid;
struct sysctl_oid_list *tree;
snprintf(buf, sizeof(buf), "port%lu", devinfo->Address);
oid = SYSCTL_ADD_NODE(ctx,
SYSCTL_CHILDREN(
device_get_sysctl_tree(dev)),
OID_AUTO, buf, CTLFLAG_RD,
NULL, "port nodes");
tree = SYSCTL_CHILDREN(oid);
sc->port[devinfo->Address - 1].handle = ah;
sc->port[devinfo->Address - 1].upc = 0xffffffff;
acpi_uhub_parse_upc(dev, devinfo->Address, ah, tree);
acpi_uhub_parse_pld(dev, devinfo->Address, ah, tree);
SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
tree, OID_AUTO, "info",
CTLTYPE_STRING | CTLFLAG_RD,
&sc->port[devinfo->Address - 1], 0,
acpi_uhub_port_sysctl,
"A", "Port information");
}
AcpiOsFree(devinfo);
}
@ -306,53 +449,76 @@ acpi_uhub_probe(device_t dev)
}
return (ENXIO);
}
static int
acpi_uhub_attach_common(device_t dev)
{
struct usb_hub *uh;
struct acpi_uhub_softc *sc = device_get_softc(dev);
ACPI_STATUS status;
int ret = ENXIO;
uh = sc->usc.sc_udev->hub;
sc->nports = uh->nports;
sc->port = malloc(sizeof(struct acpi_uhub_port) * uh->nports,
M_USBDEV, M_WAITOK | M_ZERO);
status = acpi_usb_hub_port_probe(dev, sc->ah);
if (ACPI_SUCCESS(status)){
ret = 0;
}
return (ret);
}
static int
acpi_uhub_detach(device_t dev)
{
struct acpi_uhub_softc *sc = device_get_softc(dev);
free(sc->port, M_USBDEV);
return (uhub_detach(dev));
}
static int
acpi_uhub_root_attach(device_t dev)
{
struct acpi_uhub_softc *sc = device_get_softc(dev);
ACPI_STATUS status;
ACPI_HANDLE ah;
int ret;
struct acpi_uhub_softc *sc = device_get_softc(dev);
ret = uhub_attach(dev);
if (ret != 0)
goto done;
status = acpi_uhub_find_rh(dev, &ah);
if (ACPI_SUCCESS(status) && ah != NULL) {
struct usb_hub *uh = sc->usc.sc_udev->hub;
sc->nports = uh->nports;
sc->porthandle = malloc(sizeof(ACPI_HANDLE) * uh->nports,
M_USBDEV, M_WAITOK | M_ZERO);
acpi_usb_hub_port_probe(dev, ah);
if (ACPI_FAILURE(acpi_uhub_find_rh(dev, &sc->ah)) ||
(sc->ah == NULL)) {
return (ENXIO);
}
done:
return (ret);
if ((ret = uhub_attach(dev)) != 0) {
return (ret);
}
if ((ret = acpi_uhub_attach_common(dev)) != 0) {
acpi_uhub_detach(dev);
}
return ret;
}
static int
acpi_uhub_attach(device_t dev)
{
struct acpi_uhub_softc *sc = device_get_softc(dev);
ACPI_HANDLE ah;
int ret;
struct acpi_uhub_softc *sc = device_get_softc(dev);
ret = uhub_attach(dev);
if (ret != 0)
goto done;
sc->ah = acpi_get_handle(dev);
ah = acpi_get_handle(dev);
if (ah != NULL) {
struct usb_hub *uh = sc->usc.sc_udev->hub;
sc->nports = uh->nports;
sc->porthandle = malloc(sizeof(ACPI_HANDLE) * uh->nports,
M_USBDEV, M_WAITOK | M_ZERO);
acpi_usb_hub_port_probe(dev, ah);
if (sc->ah == NULL) {
return (ENXIO);
}
done:
if ((ret = uhub_attach(dev)) != 0) {
return (ret);
}
if ((ret = acpi_uhub_attach_common(dev)) != 0) {
acpi_uhub_detach(dev);
}
return (ret);
}
@ -370,7 +536,7 @@ acpi_uhub_read_ivar(device_t dev, device_t child, int idx, uintptr_t *res)
if ((idx == ACPI_IVAR_HANDLE) &&
(hres.portno > 0) &&
(hres.portno <= sc->nports) &&
(ah = sc->porthandle[hres.portno - 1])) {
(ah = sc->port[hres.portno - 1].handle)) {
*res = (uintptr_t)ah;
return (0);
}
@ -393,15 +559,6 @@ acpi_uhub_child_location_string(device_t parent, device_t child,
return (0);
}
static int
acpi_uhub_detach(device_t dev)
{
struct acpi_uhub_softc *sc = device_get_softc(dev);
free(sc->porthandle, M_USBDEV);
return (uhub_detach(dev));
}
static device_method_t acpi_uhub_methods[] = {
DEVMETHOD(device_probe, acpi_uhub_probe),