From: Hiroshi DOYU <[email protected]> Enable smart/autoidle for mailbox sysconfig register.
Original patch: http://patchwork.kernel.org/patch/35628/ Reported-by: Tero Kristo <[email protected]> Signed-off-by: Hiroshi DOYU <[email protected]> [ fg: remove wrapper around restoreSettings ] Signed-off-by: Fernando Guzman Lugo <[email protected]> --- drivers/dsp/bridge/hw/hw_mbox.c | 14 +++++++++++++- drivers/dsp/bridge/hw/hw_mbox.h | 22 ++++++++++++++++++++++ drivers/dsp/bridge/wmd/io_sm.c | 1 + 3 files changed, 36 insertions(+), 1 deletions(-) diff --git a/drivers/dsp/bridge/hw/hw_mbox.c b/drivers/dsp/bridge/hw/hw_mbox.c index ee79032..5e8e15e 100644 --- a/drivers/dsp/bridge/hw/hw_mbox.c +++ b/drivers/dsp/bridge/hw/hw_mbox.c @@ -33,7 +33,19 @@ /* width in bits of MBOX Id */ #define HW_MBOX_ID_WIDTH 2 -struct MAILBOX_CONTEXT mboxsetting = {0x4, 0x1, 0x1}; +/* SYSCONFIG: register bit definition */ +#define AUTOIDLE (1 << 0) +#define SMARTIDLE (2 << 3) + +struct MAILBOX_CONTEXT mboxsetting = { + .sysconfig = SMARTIDLE | AUTOIDLE, +}; + +HW_STATUS HW_MBOX_initSettings(void __iomem *baseAddress) +{ + MLBMAILBOX_SYSCONFIGWriteRegister32(baseAddress, SMARTIDLE | AUTOIDLE); + return RET_OK; +} /* Saves the mailbox context */ HW_STATUS HW_MBOX_saveSettings(void __iomem *baseAddress) diff --git a/drivers/dsp/bridge/hw/hw_mbox.h b/drivers/dsp/bridge/hw/hw_mbox.h index ad1a89c..203964c 100644 --- a/drivers/dsp/bridge/hw/hw_mbox.h +++ b/drivers/dsp/bridge/hw/hw_mbox.h @@ -277,6 +277,28 @@ extern HW_STATUS HW_MBOX_EventAck( ); /* +* FUNCTION : HW_MBOX_initSettings +* +* INPUTS: +* +* Identifier : baseAddress +* Type : const u32 +* Description : Base Address of instance of Mailbox module +* +* +* RETURNS: +* +* Type : ReturnCode_t +* Description : RET_OK No errors occured +* RET_BAD_NULL_PARAM Address/pointer Paramater was set to 0/NULL +* RET_INVALID_ID Invalid Id used +* RET_EMPTY Mailbox empty +* +* PURPOSE: : This function initialize the mailbox configuration. +*/ +extern HW_STATUS HW_MBOX_initSettings(void __iomem *baseAddres); + +/* * FUNCTION : HW_MBOX_saveSettings * * INPUTS: diff --git a/drivers/dsp/bridge/wmd/io_sm.c b/drivers/dsp/bridge/wmd/io_sm.c index 0daf93d..a2da528 100644 --- a/drivers/dsp/bridge/wmd/io_sm.c +++ b/drivers/dsp/bridge/wmd/io_sm.c @@ -284,6 +284,7 @@ DSP_STATUS WMD_IO_Create(OUT struct IO_MGR **phIOMgr, pIOMgr->fSharedIRQ = pMgrAttrs->fShared; IO_DisableInterrupt(hWmdContext); if (devType == DSP_UNIT) { + HW_MBOX_initSettings(hostRes.dwMboxBase); /* Plug the channel ISR:. */ if ((request_irq(INT_MAIL_MPU_IRQ, IO_ISR, 0, "DspBridge\tmailbox", (void *)pIOMgr)) == 0) -- 1.6.2.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
