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path: root/drivers/platform/x86/thinkpad_acpi.c
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Diffstat (limited to 'drivers/platform/x86/thinkpad_acpi.c')
-rw-r--r--drivers/platform/x86/thinkpad_acpi.c66
1 files changed, 56 insertions, 10 deletions
diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
index a086ce8ed4eb..b2c5913ff72e 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -122,6 +122,27 @@ enum {
#define TPACPI_HKEY_INPUT_PRODUCT 0x5054 /* "TP" */
#define TPACPI_HKEY_INPUT_VERSION 0x4101
+/* ACPI \WGSV commands */
+enum {
+ TP_ACPI_WGSV_GET_STATE = 0x01, /* Get state information */
+ TP_ACPI_WGSV_PWR_ON_ON_RESUME = 0x02, /* Resume WWAN powered on */
+ TP_ACPI_WGSV_PWR_OFF_ON_RESUME = 0x03, /* Resume WWAN powered off */
+ TP_ACPI_WGSV_SAVE_STATE = 0x04, /* Save state for S4/S5 */
+};
+
+/* TP_ACPI_WGSV_GET_STATE bits */
+enum {
+ TP_ACPI_WGSV_STATE_WWANEXIST = 0x0001, /* WWAN hw available */
+ TP_ACPI_WGSV_STATE_WWANPWR = 0x0002, /* WWAN radio enabled */
+ TP_ACPI_WGSV_STATE_WWANPWRRES = 0x0004, /* WWAN state at resume */
+ TP_ACPI_WGSV_STATE_WWANBIOSOFF = 0x0008, /* WWAN disabled in BIOS */
+ TP_ACPI_WGSV_STATE_BLTHEXIST = 0x0001, /* BLTH hw available */
+ TP_ACPI_WGSV_STATE_BLTHPWR = 0x0002, /* BLTH radio enabled */
+ TP_ACPI_WGSV_STATE_BLTHPWRRES = 0x0004, /* BLTH state at resume */
+ TP_ACPI_WGSV_STATE_BLTHBIOSOFF = 0x0008, /* BLTH disabled in BIOS */
+ TP_ACPI_WGSV_STATE_UWBEXIST = 0x0010, /* UWB hw available */
+ TP_ACPI_WGSV_STATE_UWBPWR = 0x0020, /* UWB radio enabled */
+};
/****************************************************************************
* Main driver
@@ -2766,11 +2787,28 @@ enum {
/* ACPI GBDC/SBDC bits */
TP_ACPI_BLUETOOTH_HWPRESENT = 0x01, /* Bluetooth hw available */
TP_ACPI_BLUETOOTH_RADIOSSW = 0x02, /* Bluetooth radio enabled */
- TP_ACPI_BLUETOOTH_UNK = 0x04, /* unknown function */
+ TP_ACPI_BLUETOOTH_RESUMECTRL = 0x04, /* Bluetooth state at resume:
+ off / last state */
+};
+
+enum {
+ /* ACPI \BLTH commands */
+ TP_ACPI_BLTH_GET_ULTRAPORT_ID = 0x00, /* Get Ultraport BT ID */
+ TP_ACPI_BLTH_GET_PWR_ON_RESUME = 0x01, /* Get power-on-resume state */
+ TP_ACPI_BLTH_PWR_ON_ON_RESUME = 0x02, /* Resume powered on */
+ TP_ACPI_BLTH_PWR_OFF_ON_RESUME = 0x03, /* Resume powered off */
+ TP_ACPI_BLTH_SAVE_STATE = 0x05, /* Save state for S4/S5 */
};
static struct rfkill *tpacpi_bluetooth_rfkill;
+static void bluetooth_suspend(pm_message_t state)
+{
+ /* Try to make sure radio will resume powered off */
+ acpi_evalf(NULL, NULL, "\\BLTH", "vd",
+ TP_ACPI_BLTH_PWR_OFF_ON_RESUME);
+}
+
static int bluetooth_get_radiosw(void)
{
int status;
@@ -2830,12 +2868,11 @@ static int bluetooth_set_radiosw(int radio_on, int update_rfk)
}
#endif
- if (!acpi_evalf(hkey_handle, &status, "GBDC", "d"))
- return -EIO;
+ /* We make sure to keep TP_ACPI_BLUETOOTH_RESUMECTRL off */
if (radio_on)
- status |= TP_ACPI_BLUETOOTH_RADIOSSW;
+ status = TP_ACPI_BLUETOOTH_RADIOSSW;
else
- status &= ~TP_ACPI_BLUETOOTH_RADIOSSW;
+ status = 0;
if (!acpi_evalf(hkey_handle, NULL, "SBDC", "vd", status))
return -EIO;
@@ -3012,6 +3049,7 @@ static struct ibm_struct bluetooth_driver_data = {
.read = bluetooth_read,
.write = bluetooth_write,
.exit = bluetooth_exit,
+ .suspend = bluetooth_suspend,
};
/*************************************************************************
@@ -3022,11 +3060,19 @@ enum {
/* ACPI GWAN/SWAN bits */
TP_ACPI_WANCARD_HWPRESENT = 0x01, /* Wan hw available */
TP_ACPI_WANCARD_RADIOSSW = 0x02, /* Wan radio enabled */
- TP_ACPI_WANCARD_UNK = 0x04, /* unknown function */
+ TP_ACPI_WANCARD_RESUMECTRL = 0x04, /* Wan state at resume:
+ off / last state */
};
static struct rfkill *tpacpi_wan_rfkill;
+static void wan_suspend(pm_message_t state)
+{
+ /* Try to make sure radio will resume powered off */
+ acpi_evalf(NULL, NULL, "\\WGSV", "qvd",
+ TP_ACPI_WGSV_PWR_OFF_ON_RESUME);
+}
+
static int wan_get_radiosw(void)
{
int status;
@@ -3086,12 +3132,11 @@ static int wan_set_radiosw(int radio_on, int update_rfk)
}
#endif
- if (!acpi_evalf(hkey_handle, &status, "GWAN", "d"))
- return -EIO;
+ /* We make sure to keep TP_ACPI_WANCARD_RESUMECTRL off */
if (radio_on)
- status |= TP_ACPI_WANCARD_RADIOSSW;
+ status = TP_ACPI_WANCARD_RADIOSSW;
else
- status &= ~TP_ACPI_WANCARD_RADIOSSW;
+ status = 0;
if (!acpi_evalf(hkey_handle, NULL, "SWAN", "vd", status))
return -EIO;
@@ -3266,6 +3311,7 @@ static struct ibm_struct wan_driver_data = {
.read = wan_read,
.write = wan_write,
.exit = wan_exit,
+ .suspend = wan_suspend,
};
/*************************************************************************