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Differential D29937 Diff 88017 sys/dev/iicbus/acpi_iicbus.c

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sys/dev/iicbus/acpi_iicbus.c

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#include <sys/param.h> #include <sys/param.h>
#include <sys/bus.h> #include <sys/bus.h>
#include <sys/endian.h> #include <sys/endian.h>
#include <sys/kernel.h> #include <sys/kernel.h>
#include <sys/malloc.h> #include <sys/malloc.h>
#include <sys/module.h> #include <sys/module.h>
#include <sys/rman.h> #include <sys/rman.h>
#include <sys/sbuf.h>
#include <machine/resource.h> #include <machine/resource.h>
#include <contrib/dev/acpica/include/acpi.h> #include <contrib/dev/acpica/include/acpi.h>
#include <contrib/dev/acpica/include/accommon.h> #include <contrib/dev/acpica/include/accommon.h>
#include <contrib/dev/acpica/include/amlcode.h> #include <contrib/dev/acpica/include/amlcode.h>
#include <dev/acpica/acpivar.h> #include <dev/acpica/acpivar.h>
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return (iicbus_write_ivar(bus, child, which, val)); return (iicbus_write_ivar(bus, child, which, val));
} }
return (0); return (0);
} }
/* Location hint for devctl(8). Concatenate IIC and ACPI hints. */ /* Location hint for devctl(8). Concatenate IIC and ACPI hints. */
static int static int
acpi_iicbus_child_location_str(device_t bus, device_t child, acpi_iicbus_child_location(device_t bus, device_t child, struct sbuf *sb)
char *buf, size_t buflen)
{ {
struct acpi_iicbus_ivars *devi = device_get_ivars(child); struct acpi_iicbus_ivars *devi = device_get_ivars(child);
int error; int error;
/* read IIC location hint string into the buffer. */ /* read IIC location hint string into the buffer. */
error = iicbus_child_location_str(bus, child, buf, buflen); error = iicbus_child_location(bus, child, sb);
if (error != 0) if (error != 0)
return (error); return (error);
/* Place ACPI string right after IIC one's terminating NUL. */ /* Place ACPI string right after IIC one's terminating NUL. */
if (devi->handle != NULL && if (devi->handle != NULL)
((buf[0] != '\0' && strlcat(buf, " ", buflen) >= buflen) || sbuf_printf(sb, " handle=%s", acpi_name(devi->handle));
strlcat(buf, "handle=", buflen) >= buflen ||
strlcat(buf, acpi_name(devi->handle), buflen) >= buflen))
return (EOVERFLOW);
return (0); return (0);
} }
/* PnP information for devctl(8). Concatenate IIC and ACPI info strings. */ /* PnP information for devctl(8). Concatenate IIC and ACPI info strings. */
static int static int
acpi_iicbus_child_pnpinfo_str(device_t bus, device_t child, char *buf, acpi_iicbus_child_pnpinfo(device_t bus, device_t child, struct sbuf *sb)
size_t buflen)
{ {
struct acpi_iicbus_ivars *devi = device_get_ivars(child); struct acpi_iicbus_ivars *devi = device_get_ivars(child);
size_t acpi_offset;
int error; int error;
/* read IIC PnP string into the buffer. */ /* read IIC PnP string into the buffer. */
error = iicbus_child_pnpinfo_str(bus, child, buf, buflen); error = iicbus_child_pnpinfo(bus, child, sb);
if (error != 0) if (error != 0)
return (error); return (error);
if (devi->handle == NULL) if (devi->handle == NULL)
return (0); return (0);
/* Place ACPI string right after IIC one's terminating NUL. */ error = acpi_pnpinfo(devi->handle, sb);
acpi_offset = strlen(buf);
if (acpi_offset != 0)
acpi_offset++;
error = acpi_pnpinfo_str(devi->handle, buf + acpi_offset,
buflen - acpi_offset);
/* Coalesce both strings if they are not empty. */
if (acpi_offset > 0 && acpi_offset < buflen && buf[acpi_offset] != 0)
buf[acpi_offset - 1] = ' ';
return (error); return (error);
} }
static device_method_t acpi_iicbus_methods[] = { static device_method_t acpi_iicbus_methods[] = {
/* Device interface */ /* Device interface */
DEVMETHOD(device_probe, acpi_iicbus_probe), DEVMETHOD(device_probe, acpi_iicbus_probe),
DEVMETHOD(device_attach, acpi_iicbus_attach), DEVMETHOD(device_attach, acpi_iicbus_attach),
DEVMETHOD(device_detach, acpi_iicbus_detach), DEVMETHOD(device_detach, acpi_iicbus_detach),
DEVMETHOD(device_suspend, acpi_iicbus_suspend), DEVMETHOD(device_suspend, acpi_iicbus_suspend),
DEVMETHOD(device_resume, acpi_iicbus_resume), DEVMETHOD(device_resume, acpi_iicbus_resume),
/* Bus interface */ /* Bus interface */
DEVMETHOD(bus_add_child, acpi_iicbus_add_child), DEVMETHOD(bus_add_child, acpi_iicbus_add_child),
DEVMETHOD(bus_probe_nomatch, acpi_iicbus_probe_nomatch), DEVMETHOD(bus_probe_nomatch, acpi_iicbus_probe_nomatch),
DEVMETHOD(bus_driver_added, acpi_iicbus_driver_added), DEVMETHOD(bus_driver_added, acpi_iicbus_driver_added),
DEVMETHOD(bus_child_deleted, acpi_iicbus_child_deleted), DEVMETHOD(bus_child_deleted, acpi_iicbus_child_deleted),
DEVMETHOD(bus_read_ivar, acpi_iicbus_read_ivar), DEVMETHOD(bus_read_ivar, acpi_iicbus_read_ivar),
DEVMETHOD(bus_write_ivar, acpi_iicbus_write_ivar), DEVMETHOD(bus_write_ivar, acpi_iicbus_write_ivar),
DEVMETHOD(bus_child_location_str,acpi_iicbus_child_location_str), DEVMETHOD(bus_child_location, acpi_iicbus_child_location),
DEVMETHOD(bus_child_pnpinfo_str,acpi_iicbus_child_pnpinfo_str), DEVMETHOD(bus_child_pnpinfo, acpi_iicbus_child_pnpinfo),
DEVMETHOD_END, DEVMETHOD_END,
}; };
DEFINE_CLASS_1(iicbus, acpi_iicbus_driver, acpi_iicbus_methods, DEFINE_CLASS_1(iicbus, acpi_iicbus_driver, acpi_iicbus_methods,
sizeof(struct acpi_iicbus_softc), iicbus_driver); sizeof(struct acpi_iicbus_softc), iicbus_driver);
MODULE_VERSION(acpi_iicbus, 1); MODULE_VERSION(acpi_iicbus, 1);
MODULE_DEPEND(acpi_iicbus, acpi, 1, 1, 1); MODULE_DEPEND(acpi_iicbus, acpi, 1, 1, 1);