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Commit f992efbb authored by Pali Rohár's avatar Pali Rohár Committed by Darren Hart
Browse files

dell-laptop: Update information about wireless control 



Make sure that all existing SMBIOS calls for wireless control are properly
documented. This commit also add new documentation released by Dell.

Signed-off-by: default avatarPali Rohár <pali.rohar@gmail.com>
Signed-off-by: default avatarDarren Hart <dvhart@linux.intel.com>
parent 5ee7041e

drivers/platform/x86/dell-laptop.c

+119 −39
Original line number Diff line number Diff line
@@ -423,44 +423,124 @@ static inline int dell_smi_error(int value) 
	}

}



/* Derived from information in DellWirelessCtl.cpp:

   Class 17, select 11 is radio control. It returns an array of 32-bit values.



   Input byte 0 = 0: Wireless information



   result[0]: return code

   result[1]:

     Bit 0:      Hardware switch supported

     Bit 1:      Wifi locator supported

     Bit 2:      Wifi is supported

     Bit 3:      Bluetooth is supported

     Bit 4:      WWAN is supported

     Bit 5:      Wireless keyboard supported

     Bits 6-7:   Reserved

     Bit 8:      Wifi is installed

     Bit 9:      Bluetooth is installed

     Bit 10:     WWAN is installed

     Bits 11-15: Reserved

     Bit 16:     Hardware switch is on

     Bit 17:     Wifi is blocked

     Bit 18:     Bluetooth is blocked

     Bit 19:     WWAN is blocked

     Bits 20-31: Reserved

   result[2]: NVRAM size in bytes

   result[3]: NVRAM format version number



   Input byte 0 = 2: Wireless switch configuration

   result[0]: return code

   result[1]:

     Bit 0:      Wifi controlled by switch

     Bit 1:      Bluetooth controlled by switch

     Bit 2:      WWAN controlled by switch

     Bits 3-6:   Reserved

     Bit 7:      Wireless switch config locked

     Bit 8:      Wifi locator enabled

     Bits 9-14:  Reserved

     Bit 15:     Wifi locator setting locked

     Bits 16-31: Reserved

/*

 * Derived from information in smbios-wireless-ctl:

 *

 * cbSelect 17, Value 11

 *

 * Return Wireless Info

 * cbArg1, byte0 = 0x00

 *

 *     cbRes1 Standard return codes (0, -1, -2)

 *     cbRes2 Info bit flags:

 *

 *     0 Hardware switch supported (1)

 *     1 WiFi locator supported (1)

 *     2 WLAN supported (1)

 *     3 Bluetooth (BT) supported (1)

 *     4 WWAN supported (1)

 *     5 Wireless KBD supported (1)

 *     6 Uw b supported (1)

 *     7 WiGig supported (1)

 *     8 WLAN installed (1)

 *     9 BT installed (1)

 *     10 WWAN installed (1)

 *     11 Uw b installed (1)

 *     12 WiGig installed (1)

 *     13-15 Reserved (0)

 *     16 Hardware (HW) switch is On (1)

 *     17 WLAN disabled (1)

 *     18 BT disabled (1)

 *     19 WWAN disabled (1)

 *     20 Uw b disabled (1)

 *     21 WiGig disabled (1)

 *     20-31 Reserved (0)

 *

 *     cbRes3 NVRAM size in bytes

 *     cbRes4, byte 0 NVRAM format version number

 *

 *

 * Set QuickSet Radio Disable Flag

 *     cbArg1, byte0 = 0x01

 *     cbArg1, byte1

 *     Radio ID     value:

 *     0        Radio Status

 *     1        WLAN ID

 *     2        BT ID

 *     3        WWAN ID

 *     4        UWB ID

 *     5        WIGIG ID

 *     cbArg1, byte2    Flag bits:

 *             0 QuickSet disables radio (1)

 *             1-7 Reserved (0)

 *

 *     cbRes1    Standard return codes (0, -1, -2)

 *     cbRes2    QuickSet (QS) radio disable bit map:

 *     0 QS disables WLAN

 *     1 QS disables BT

 *     2 QS disables WWAN

 *     3 QS disables UWB

 *     4 QS disables WIGIG

 *     5-31 Reserved (0)

 *

 * Wireless Switch Configuration

 *     cbArg1, byte0 = 0x02

 *

 *     cbArg1, byte1

 *     Subcommand:

 *     0 Get config

 *     1 Set config

 *     2 Set WiFi locator enable/disable

 *     cbArg1,byte2

 *     Switch settings (if byte 1==1):

 *     0 WLAN sw itch control (1)

 *     1 BT sw itch control (1)

 *     2 WWAN sw itch control (1)

 *     3 UWB sw itch control (1)

 *     4 WiGig sw itch control (1)

 *     5-7 Reserved (0)

 *    cbArg1, byte2 Enable bits (if byte 1==2):

 *     0 Enable WiFi locator (1)

 *

 *    cbRes1     Standard return codes (0, -1, -2)

 *    cbRes2 QuickSet radio disable bit map:

 *     0 WLAN controlled by sw itch (1)

 *     1 BT controlled by sw itch (1)

 *     2 WWAN controlled by sw itch (1)

 *     3 UWB controlled by sw itch (1)

 *     4 WiGig controlled by sw itch (1)

 *     5-6 Reserved (0)

 *     7 Wireless sw itch config locked (1)

 *     8 WiFi locator enabled (1)

 *     9-14 Reserved (0)

 *     15 WiFi locator setting locked (1)

 *     16-31 Reserved (0)

 *

 * Read Local Config Data (LCD)

 *     cbArg1, byte0 = 0x10

 *     cbArg1, byte1 NVRAM index low byte

 *     cbArg1, byte2 NVRAM index high byte

 *     cbRes1 Standard return codes (0, -1, -2)

 *     cbRes2 4 bytes read from LCD[index]

 *     cbRes3 4 bytes read from LCD[index+4]

 *     cbRes4 4 bytes read from LCD[index+8]

 *

 * Write Local Config Data (LCD)

 *     cbArg1, byte0 = 0x11

 *     cbArg1, byte1 NVRAM index low byte

 *     cbArg1, byte2 NVRAM index high byte

 *     cbArg2 4 bytes to w rite at LCD[index]

 *     cbArg3 4 bytes to w rite at LCD[index+4]

 *     cbArg4 4 bytes to w rite at LCD[index+8]

 *     cbRes1 Standard return codes (0, -1, -2)

 *

 * Populate Local Config Data from NVRAM

 *     cbArg1, byte0 = 0x12

 *     cbRes1 Standard return codes (0, -1, -2)

 *

 * Commit Local Config Data to NVRAM

 *     cbArg1, byte0 = 0x13

 *     cbRes1 Standard return codes (0, -1, -2)

 */



static int dell_rfkill_set(void *data, bool blocked)