From dd5bed65a0df90e3b17a0b7ae21aef3ca968bb29 Mon Sep 17 00:00:00 2001
From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Date: Sun, 11 Jan 2009 03:01:01 -0200
Subject: [PATCH] --- yaml --- r: 129875 b: refs/heads/master c:
 153f82207c51193e4d6a7e6f0e3f9442eabeba1c h: refs/heads/master i:   129873:
 c10b9576e5e78b03df61f7a4e594c5e2d6dbd18d   129871:
 11cb294a4c8b7f421361308bc819351f086ba1c7 v: v3

---
 [refs]                                     |  2 +-
 trunk/drivers/platform/x86/thinkpad_acpi.c | 66 ++++++++++++++++++----
 2 files changed, 57 insertions(+), 11 deletions(-)

diff --git a/[refs] b/[refs]
index c888da2ff35b..3b27270c7a0d 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a73f30916ee524437253739eacc682f6fb0f3ea8
+refs/heads/master: 153f82207c51193e4d6a7e6f0e3f9442eabeba1c
diff --git a/trunk/drivers/platform/x86/thinkpad_acpi.c b/trunk/drivers/platform/x86/thinkpad_acpi.c
index a086ce8ed4eb..b2c5913ff72e 100644
--- a/trunk/drivers/platform/x86/thinkpad_acpi.c
+++ b/trunk/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,
 };
 
 /*************************************************************************