[POWERPC] Update smu command definitions
This updates smu.h with several new commands, and adds parameter descriptions for existing commands. Signed-off-by: Michael Hanselmann <linux-kernel@hansmi.ch> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Michael Hanselmann
Paul Mackerras
parent
430b01e8f5
commit
bc625f20c0
|
|
@ -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
|
||||
#define SMU_CMD_MISC_ee_LEDS_CTRL 0x04 /* i: 00 (00,01) [00] */
|
||||
|
||||
/* 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 -
|
||||
|
|
|
|||
Reference in New Issue