[POWERPC] Update smu command definitions (bc625f20) · Commits · e / devices / android_kernel_xiaomi_markw

include/asm-powerpc/smu.h

+128 −4

Original line number	Diff line number	Diff line
		@@ -173,7 +173,7 @@
		* Power supply control
		*
		* The "sub" command is an ASCII string in the data, the
		* data lenght is that of the string.
		* data length is that of the string.
		*
		* The VSLEW command can be used to get or set the voltage slewing.
		* - lenght 5 (only "VSLEW") : it returns "DONE" and 3 bytes of
		@@ -201,20 +201,90 @@
		*/
		#define SMU_CMD_READ_ADC 0xd8


		/* Misc commands
		*
		* This command seem to be a grab bag of various things
		*
		* Parameters:
		* 1: subcommand
		*/
		#define SMU_CMD_MISC_df_COMMAND 0xdf
		#define SMU_CMD_MISC_df_SET_DISPLAY_LIT 0x02 /* i: 1 byte */

		/*
		* Sets "system ready" status
		*
		* I did not yet understand how it exactly works or what it does.
		*
		* Guessing from OF code, 0x02 activates the display backlight. Apple uses/used
		* the same codebase for all OF versions. On PowerBooks, this command would
		* enable the backlight. For the G5s, it only activates the front LED. However,
		* don't take this for granted.
		*
		* Parameters:
		* 2: status [0x00, 0x01 or 0x02]
		*/
		#define SMU_CMD_MISC_df_SET_DISPLAY_LIT 0x02

		/*
		* Sets mode of power switch.
		*
		* What this actually does is not yet known. Maybe it enables some interrupt.
		*
		* Parameters:
		* 2: enable power switch? [0x00 or 0x01]
		* 3 (optional): enable nmi? [0x00 or 0x01]
		*
		* Returns:
		* If parameter 2 is 0x00 and parameter 3 is not specified, returns wether
		* NMI is enabled. Otherwise unknown.
		*/
		#define SMU_CMD_MISC_df_NMI_OPTION 0x04

		/* Sets LED dimm offset.
		*
		* The front LED dimms itself during sleep. Its brightness (or, well, the PWM
		* frequency) depends on current time. Therefore, the SMU needs to know the
		* timezone.
		*
		* Parameters:
		* 2-8: unknown (BCD coding)
		*/
		#define SMU_CMD_MISC_df_DIMM_OFFSET 0x99


		/*
		* Version info commands
		*
		* I haven't quite tried to figure out how these work
		* Parameters:
		* 1 (optional): Specifies version part to retrieve
		*
		* Returns:
		* Version value
		*/
		#define SMU_CMD_VERSION_COMMAND 0xea
		#define SMU_VERSION_RUNNING 0x00
		#define SMU_VERSION_BASE 0x01
		#define SMU_VERSION_UPDATE 0x02


		/*
		* Switches
		*
		* These are switches whose status seems to be known to the SMU.
		*
		* Parameters:
		* none
		*
		* Result:
		* Switch bits (ORed, see below)
		*/
		#define SMU_CMD_SWITCHES 0xdc

		/* Switches bits */
		#define SMU_SWITCH_CASE_CLOSED 0x01
		#define SMU_SWITCH_AC_POWER 0x04
		#define SMU_SWITCH_POWER_SWITCH 0x08


		/*
		@@ -243,10 +313,64 @@
		*/
		#define SMU_CMD_MISC_ee_COMMAND 0xee
		#define SMU_CMD_MISC_ee_GET_DATABLOCK_REC 0x02

		/* Retrieves currently used watts.
		*
		* Parameters:
		* 1: 0x03 (Meaning unknown)
		*/
		#define SMU_CMD_MISC_ee_GET_WATTS 0x03

		#define SMU_CMD_MISC_ee_LEDS_CTRL 0x04 /* i: 00 (00,01) [00] */
		#define SMU_CMD_MISC_ee_GET_DATA 0x05 /* i: 00 , o: ?? */


		/*
		* Power related commands
		*
		* Parameters:
		* 1: subcommand
		*/
		#define SMU_CMD_POWER_EVENTS_COMMAND 0x8f

		/* SMU_POWER_EVENTS subcommands */
		enum {
		SMU_PWR_GET_POWERUP_EVENTS = 0x00,
		SMU_PWR_SET_POWERUP_EVENTS = 0x01,
		SMU_PWR_CLR_POWERUP_EVENTS = 0x02,
		SMU_PWR_GET_WAKEUP_EVENTS = 0x03,
		SMU_PWR_SET_WAKEUP_EVENTS = 0x04,
		SMU_PWR_CLR_WAKEUP_EVENTS = 0x05,

		/*
		* Get last shutdown cause
		*
		* Returns:
		* 1 byte (signed char): Last shutdown cause. Exact meaning unknown.
		*/
		SMU_PWR_LAST_SHUTDOWN_CAUSE = 0x07,

		/*
		* Sets or gets server ID. Meaning or use is unknown.
		*
		* Parameters:
		* 2 (optional): Set server ID (1 byte)
		*
		* Returns:
		* 1 byte (server ID?)
		*/
		SMU_PWR_SERVER_ID = 0x08,
		};

		/* Power events wakeup bits */
		enum {
		SMU_PWR_WAKEUP_KEY = 0x01, /* Wake on key press */
		SMU_PWR_WAKEUP_AC_INSERT = 0x02, /* Wake on AC adapter plug */
		SMU_PWR_WAKEUP_AC_CHANGE = 0x04,
		SMU_PWR_WAKEUP_LID_OPEN = 0x08,
		SMU_PWR_WAKEUP_RING = 0x10,
		};


		/*
		* - Kernel side interface -