diff options
Diffstat (limited to 'drivers/staging/bcm/InterfaceIdleMode.c')
| -rw-r--r-- | drivers/staging/bcm/InterfaceIdleMode.c | 199 |
1 files changed, 82 insertions, 117 deletions
diff --git a/drivers/staging/bcm/InterfaceIdleMode.c b/drivers/staging/bcm/InterfaceIdleMode.c index a1bf21579d3f..534782866042 100644 --- a/drivers/staging/bcm/InterfaceIdleMode.c +++ b/drivers/staging/bcm/InterfaceIdleMode.c @@ -42,107 +42,95 @@ send to f/w with in 200 ms after the Idle/Shutdown req issued */ -int InterfaceIdleModeRespond(struct bcm_mini_adapter *Adapter, unsigned int* puiBuffer) +int InterfaceIdleModeRespond(struct bcm_mini_adapter *Adapter, unsigned int *puiBuffer) { int status = STATUS_SUCCESS; unsigned int uiRegRead = 0; int bytes; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL,"SubType of Message :0x%X", ntohl(*puiBuffer)); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "SubType of Message :0x%X", ntohl(*puiBuffer)); - if(ntohl(*puiBuffer) == GO_TO_IDLE_MODE_PAYLOAD) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL," Got GO_TO_IDLE_MODE_PAYLOAD(210) Msg Subtype"); - if(ntohl(*(puiBuffer+1)) == 0 ) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL,"Got IDLE MODE WAKE UP Response From F/W"); + if (ntohl(*puiBuffer) == GO_TO_IDLE_MODE_PAYLOAD) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, " Got GO_TO_IDLE_MODE_PAYLOAD(210) Msg Subtype"); + if (ntohl(*(puiBuffer+1)) == 0 ) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Got IDLE MODE WAKE UP Response From F/W"); - status = wrmalt (Adapter,SW_ABORT_IDLEMODE_LOC, &uiRegRead, sizeof(uiRegRead)); - if(status) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "wrm failed while clearing Idle Mode Reg"); + status = wrmalt (Adapter, SW_ABORT_IDLEMODE_LOC, &uiRegRead, sizeof(uiRegRead)); + if (status) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "wrm failed while clearing Idle Mode Reg"); return status; } - if(Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) - { + if (Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) { uiRegRead = 0x00000000 ; - status = wrmalt (Adapter,DEBUG_INTERRUPT_GENERATOR_REGISTOR, &uiRegRead, sizeof(uiRegRead)); - if(status) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "wrm failed while clearing Idle Mode Reg"); + status = wrmalt (Adapter, DEBUG_INTERRUPT_GENERATOR_REGISTOR, &uiRegRead, sizeof(uiRegRead)); + if (status) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "wrm failed while clearing Idle Mode Reg"); return status; } } - //Below Register should not br read in case of Manual and Protocol Idle mode. - else if(Adapter->ulPowerSaveMode != DEVICE_POWERSAVE_MODE_AS_PROTOCOL_IDLE_MODE) - { - //clear on read Register + /* Below Register should not br read in case of Manual and Protocol Idle mode */ + else if (Adapter->ulPowerSaveMode != DEVICE_POWERSAVE_MODE_AS_PROTOCOL_IDLE_MODE) { + /* clear on read Register */ bytes = rdmalt(Adapter, DEVICE_INT_OUT_EP_REG0, &uiRegRead, sizeof(uiRegRead)); if (bytes < 0) { status = bytes; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "rdm failed while clearing H/W Abort Reg0"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "rdm failed while clearing H/W Abort Reg0"); return status; } - //clear on read Register + /* clear on read Register */ bytes = rdmalt(Adapter, DEVICE_INT_OUT_EP_REG1, &uiRegRead, sizeof(uiRegRead)); if (bytes < 0) { status = bytes; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "rdm failed while clearing H/W Abort Reg1"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "rdm failed while clearing H/W Abort Reg1"); return status; } } - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Device Up from Idle Mode"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Device Up from Idle Mode"); - // Set Idle Mode Flag to False and Clear IdleMode reg. + /* Set Idle Mode Flag to False and Clear IdleMode reg. */ Adapter->IdleMode = FALSE; Adapter->bTriedToWakeUpFromlowPowerMode = FALSE; wake_up(&Adapter->lowpower_mode_wait_queue); - } - else - { - if(TRUE == Adapter->IdleMode) + } else { + if (TRUE == Adapter->IdleMode) { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL,"Device is already in Idle mode...."); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Device is already in Idle mode...."); return status ; } uiRegRead = 0; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Got Req from F/W to go in IDLE mode \n"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Got Req from F/W to go in IDLE mode \n"); - if (Adapter->chip_id== BCS220_2 || + if (Adapter->chip_id == BCS220_2 || Adapter->chip_id == BCS220_2BC || - Adapter->chip_id== BCS250_BC || - Adapter->chip_id== BCS220_3) - { + Adapter->chip_id == BCS250_BC || + Adapter->chip_id == BCS220_3) { bytes = rdmalt(Adapter, HPM_CONFIG_MSW, &uiRegRead, sizeof(uiRegRead)); if (bytes < 0) { status = bytes; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "rdm failed while Reading HPM_CONFIG_LDO145 Reg 0\n"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "rdm failed while Reading HPM_CONFIG_LDO145 Reg 0\n"); return status; } uiRegRead |= (1<<17); - status = wrmalt (Adapter,HPM_CONFIG_MSW, &uiRegRead, sizeof(uiRegRead)); - if(status) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0, "wrm failed while clearing Idle Mode Reg\n"); + status = wrmalt (Adapter, HPM_CONFIG_MSW, &uiRegRead, sizeof(uiRegRead)); + if (status) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "wrm failed while clearing Idle Mode Reg\n"); return status; } } SendIdleModeResponse(Adapter); } - } - else if(ntohl(*puiBuffer) == IDLE_MODE_SF_UPDATE_MSG) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "OverRiding Service Flow Params"); - OverrideServiceFlowParams(Adapter,puiBuffer); + } else if (ntohl(*puiBuffer) == IDLE_MODE_SF_UPDATE_MSG) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "OverRiding Service Flow Params"); + OverrideServiceFlowParams(Adapter, puiBuffer); } return status; } @@ -152,46 +140,40 @@ static int InterfaceAbortIdlemode(struct bcm_mini_adapter *Adapter, unsigned int int status = STATUS_SUCCESS; unsigned int value; unsigned int chip_id ; - unsigned long timeout = 0 ,itr = 0; + unsigned long timeout = 0, itr = 0; int lenwritten = 0; - unsigned char aucAbortPattern[8]={0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; + unsigned char aucAbortPattern[8] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; struct bcm_interface_adapter *psInterfaceAdapter = Adapter->pvInterfaceAdapter; - //Abort Bus suspend if its already suspended - if((TRUE == psInterfaceAdapter->bSuspended) && (TRUE == Adapter->bDoSuspend)) - { + /* Abort Bus suspend if its already suspended */ + if ((TRUE == psInterfaceAdapter->bSuspended) && (TRUE == Adapter->bDoSuspend)) { status = usb_autopm_get_interface(psInterfaceAdapter->interface); - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL,"Bus got wakeup..Aborting Idle mode... status:%d \n",status); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Bus got wakeup..Aborting Idle mode... status:%d \n", status); } - if((Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) + if ((Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) || - (Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_PROTOCOL_IDLE_MODE)) - { - //write the SW abort pattern. - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Writing pattern<%d> to SW_ABORT_IDLEMODE_LOC\n", Pattern); - status = wrmalt(Adapter,SW_ABORT_IDLEMODE_LOC, &Pattern, sizeof(Pattern)); - if(status) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL,"WRM to Register SW_ABORT_IDLEMODE_LOC failed.."); + (Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_PROTOCOL_IDLE_MODE)) { + /* write the SW abort pattern. */ + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Writing pattern<%d> to SW_ABORT_IDLEMODE_LOC\n", Pattern); + status = wrmalt(Adapter, SW_ABORT_IDLEMODE_LOC, &Pattern, sizeof(Pattern)); + if (status) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "WRM to Register SW_ABORT_IDLEMODE_LOC failed.."); return status; } } - if(Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) - { + if (Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) { value = 0x80000000; - status = wrmalt(Adapter,DEBUG_INTERRUPT_GENERATOR_REGISTOR, &value, sizeof(value)); - if(status) + status = wrmalt(Adapter, DEBUG_INTERRUPT_GENERATOR_REGISTOR, &value, sizeof(value)); + if (status) { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL,"WRM to DEBUG_INTERRUPT_GENERATOR_REGISTOR Register failed"); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "WRM to DEBUG_INTERRUPT_GENERATOR_REGISTOR Register failed"); return status; } - } - else if(Adapter->ulPowerSaveMode != DEVICE_POWERSAVE_MODE_AS_PROTOCOL_IDLE_MODE) - { + } else if (Adapter->ulPowerSaveMode != DEVICE_POWERSAVE_MODE_AS_PROTOCOL_IDLE_MODE) { /* * Get a Interrupt Out URB and send 8 Bytes Down * To be Done in Thread Context. @@ -204,43 +186,32 @@ static int InterfaceAbortIdlemode(struct bcm_mini_adapter *Adapter, unsigned int 8, &lenwritten, 5000); - if(status) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Sending Abort pattern down fails with status:%d..\n",status); + if (status) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Sending Abort pattern down fails with status:%d..\n", status); return status; - } - else - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "NOB Sent down :%d", lenwritten); + } else { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "NOB Sent down :%d", lenwritten); } - //mdelay(25); + /* mdelay(25); */ - timeout= jiffies + msecs_to_jiffies(50) ; - while( timeout > jiffies ) - { + timeout = jiffies + msecs_to_jiffies(50) ; + while ( timeout > jiffies ) { itr++ ; rdmalt(Adapter, CHIP_ID_REG, &chip_id, sizeof(UINT)); - if(0xbece3200==(chip_id&~(0xF0))) - { + if (0xbece3200 == (chip_id&~(0xF0))) chip_id = chip_id&~(0xF0); - } - if(chip_id == Adapter->chip_id) + if (chip_id == Adapter->chip_id) break; } - if(timeout < jiffies ) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL,"Not able to read chip-id even after 25 msec"); - } + if (timeout < jiffies ) + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Not able to read chip-id even after 25 msec"); else - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL,"Number of completed iteration to read chip-id :%lu", itr); - } + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Number of completed iteration to read chip-id :%lu", itr); - status = wrmalt(Adapter,SW_ABORT_IDLEMODE_LOC, &Pattern, sizeof(status)); - if(status) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0,"WRM to Register SW_ABORT_IDLEMODE_LOC failed.."); + status = wrmalt(Adapter, SW_ABORT_IDLEMODE_LOC, &Pattern, sizeof(status)); + if (status) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "WRM to Register SW_ABORT_IDLEMODE_LOC failed.."); return status; } } @@ -249,13 +220,10 @@ static int InterfaceAbortIdlemode(struct bcm_mini_adapter *Adapter, unsigned int int InterfaceIdleModeWakeup(struct bcm_mini_adapter *Adapter) { ULONG Status = 0; - if(Adapter->bTriedToWakeUpFromlowPowerMode) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Wake up already attempted.. ignoring\n"); - } - else - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL,"Writing Low Power Mode Abort pattern to the Device\n"); + if (Adapter->bTriedToWakeUpFromlowPowerMode) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Wake up already attempted.. ignoring\n"); + } else { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, IDLE_MODE, DBG_LVL_ALL, "Writing Low Power Mode Abort pattern to the Device\n"); Adapter->bTriedToWakeUpFromlowPowerMode = TRUE; InterfaceAbortIdlemode(Adapter, Adapter->usIdleModePattern); @@ -269,33 +237,30 @@ void InterfaceHandleShutdownModeWakeup(struct bcm_mini_adapter *Adapter) INT Status = 0; int bytes; - if(Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) - { - // clear idlemode interrupt. + if (Adapter->ulPowerSaveMode == DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) { + /* clear idlemode interrupt. */ uiRegVal = 0; - Status =wrmalt(Adapter,DEBUG_INTERRUPT_GENERATOR_REGISTOR, &uiRegVal, sizeof(uiRegVal)); - if(Status) - { - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0,"WRM to DEBUG_INTERRUPT_GENERATOR_REGISTOR Failed with err :%d", Status); + Status = wrmalt(Adapter, DEBUG_INTERRUPT_GENERATOR_REGISTOR, &uiRegVal, sizeof(uiRegVal)); + if (Status) { + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0,"WRM to DEBUG_INTERRUPT_GENERATOR_REGISTOR Failed with err :%d", Status); return; } } - else - { + else { - //clear Interrupt EP registers. - bytes = rdmalt(Adapter,DEVICE_INT_OUT_EP_REG0, &uiRegVal, sizeof(uiRegVal)); + /* clear Interrupt EP registers. */ + bytes = rdmalt(Adapter, DEVICE_INT_OUT_EP_REG0, &uiRegVal, sizeof(uiRegVal)); if (bytes < 0) { Status = bytes; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0,"RDM of DEVICE_INT_OUT_EP_REG0 failed with Err :%d", Status); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "RDM of DEVICE_INT_OUT_EP_REG0 failed with Err :%d", Status); return; } - bytes = rdmalt(Adapter,DEVICE_INT_OUT_EP_REG1, &uiRegVal, sizeof(uiRegVal)); + bytes = rdmalt(Adapter, DEVICE_INT_OUT_EP_REG1, &uiRegVal, sizeof(uiRegVal)); if (bytes < 0) { Status = bytes; - BCM_DEBUG_PRINT(Adapter,DBG_TYPE_PRINTK, 0, 0,"RDM of DEVICE_INT_OUT_EP_REG1 failed with Err :%d", Status); + BCM_DEBUG_PRINT(Adapter, DBG_TYPE_PRINTK, 0, 0, "RDM of DEVICE_INT_OUT_EP_REG1 failed with Err :%d", Status); return; } } |