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,
 };
 
 /*************************************************************************