diff options
Diffstat (limited to 'drivers/staging/bcm/InterfaceIdleMode.c')
-rw-r--r-- | drivers/staging/bcm/InterfaceIdleMode.c | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/drivers/staging/bcm/InterfaceIdleMode.c b/drivers/staging/bcm/InterfaceIdleMode.c deleted file mode 100644 index 612c89fba341..000000000000 --- a/drivers/staging/bcm/InterfaceIdleMode.c +++ /dev/null @@ -1,274 +0,0 @@ -#include "headers.h" - -/* -Function: InterfaceIdleModeWakeup - -Description: This is the hardware specific Function for - waking up HW device from Idle mode. - A software abort pattern is written to the - device to wake it and necessary power state - transitions from host are performed here. - -Input parameters: IN struct bcm_mini_adapter *Adapter - - Miniport Adapter Context - -Return: BCM_STATUS_SUCCESS - If Wakeup of the HW Interface - was successful. - Other - If an error occurred. -*/ - -/* -Function: InterfaceIdleModeRespond - -Description: This is the hardware specific Function for - responding to Idle mode request from target. - Necessary power state transitions from host for - idle mode or other device specific initializations - are performed here. - -Input parameters: IN struct bcm_mini_adapter * Adapter - - Miniport Adapter Context - -Return: BCM_STATUS_SUCCESS - If Idle mode response related - HW configuration was successful. - Other - If an error occurred. -*/ - -/* -"dmem bfc02f00 100" tells how many time device went in Idle mode. -this value will be at address bfc02fa4.just before value d0ea1dle. - -Set time value by writing at bfc02f98 7d0 - -checking the Ack timer expire on kannon by running command -d qcslog .. if it shows e means host has not send response -to f/w with in 200 ms. Response should be -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 status = STATUS_SUCCESS; - unsigned int uiRegRead = 0; - int bytes; - - if (ntohl(*puiBuffer) == GO_TO_IDLE_MODE_PAYLOAD) { - if (ntohl(*(puiBuffer+1)) == 0) { - - status = wrmalt(Adapter, SW_ABORT_IDLEMODE_LOC, - &uiRegRead, sizeof(uiRegRead)); - if (status) - return status; - - if (Adapter->ulPowerSaveMode == - DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) { - uiRegRead = 0x00000000; - status = wrmalt(Adapter, - DEBUG_INTERRUPT_GENERATOR_REGISTOR, - &uiRegRead, sizeof(uiRegRead)); - if (status) - 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 */ - bytes = rdmalt(Adapter, DEVICE_INT_OUT_EP_REG0, - &uiRegRead, sizeof(uiRegRead)); - if (bytes < 0) { - status = bytes; - return status; - } - /* clear on read Register */ - bytes = rdmalt(Adapter, DEVICE_INT_OUT_EP_REG1, - &uiRegRead, sizeof(uiRegRead)); - if (bytes < 0) { - status = bytes; - return status; - } - } - - /* 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) - return status; - - uiRegRead = 0; - - if (Adapter->chip_id == BCS220_2 || - Adapter->chip_id == BCS220_2BC || - Adapter->chip_id == BCS250_BC || - Adapter->chip_id == BCS220_3) { - - bytes = rdmalt(Adapter, HPM_CONFIG_MSW, - &uiRegRead, sizeof(uiRegRead)); - if (bytes < 0) { - status = bytes; - return status; - } - - - uiRegRead |= (1<<17); - - status = wrmalt(Adapter, HPM_CONFIG_MSW, - &uiRegRead, sizeof(uiRegRead)); - if (status) - return status; - } - SendIdleModeResponse(Adapter); - } - } else if (ntohl(*puiBuffer) == IDLE_MODE_SF_UPDATE_MSG) { - OverrideServiceFlowParams(Adapter, puiBuffer); - } - return status; -} - -static int InterfaceAbortIdlemode(struct bcm_mini_adapter *Adapter, - unsigned int Pattern) -{ - int status = STATUS_SUCCESS; - unsigned int value; - unsigned int chip_id; - unsigned long timeout = 0, itr = 0; - - int lenwritten = 0; - 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)) - status = usb_autopm_get_interface( - psInterfaceAdapter->interface); - - if ((Adapter->ulPowerSaveMode == - DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) || - (Adapter->ulPowerSaveMode == - DEVICE_POWERSAVE_MODE_AS_PROTOCOL_IDLE_MODE)) { - /* write the SW abort pattern. */ - status = wrmalt(Adapter, SW_ABORT_IDLEMODE_LOC, - &Pattern, sizeof(Pattern)); - if (status) - return status; - } - - if (Adapter->ulPowerSaveMode == - DEVICE_POWERSAVE_MODE_AS_MANUAL_CLOCK_GATING) { - value = 0x80000000; - status = wrmalt(Adapter, - DEBUG_INTERRUPT_GENERATOR_REGISTOR, - &value, sizeof(value)); - if (status) - return status; - } 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. - * Not using Asynchronous Mechanism. - */ - status = usb_interrupt_msg(psInterfaceAdapter->udev, - usb_sndintpipe(psInterfaceAdapter->udev, - psInterfaceAdapter->sIntrOut.int_out_endpointAddr), - aucAbortPattern, - 8, - &lenwritten, - 5000); - if (status) - return status; - - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, - IDLE_MODE, DBG_LVL_ALL, - "NOB Sent down :%d", lenwritten); - - /* mdelay(25); */ - - timeout = jiffies + msecs_to_jiffies(50); - while (time_after(timeout, jiffies)) { - itr++; - rdmalt(Adapter, CHIP_ID_REG, &chip_id, sizeof(UINT)); - if (0xbece3200 == (chip_id&~(0xF0))) - chip_id = chip_id&~(0xF0); - if (chip_id == Adapter->chip_id) - break; - } - if (time_before(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); - - status = wrmalt(Adapter, SW_ABORT_IDLEMODE_LOC, - &Pattern, sizeof(status)); - if (status) - return status; - } - return status; -} -int InterfaceIdleModeWakeup(struct bcm_mini_adapter *Adapter) -{ - if (Adapter->bTriedToWakeUpFromlowPowerMode) { - BCM_DEBUG_PRINT(Adapter, DBG_TYPE_OTHERS, - IDLE_MODE, DBG_LVL_ALL, - "Wake up already attempted.. ignoring\n"); - } else { - Adapter->bTriedToWakeUpFromlowPowerMode = TRUE; - InterfaceAbortIdlemode(Adapter, Adapter->usIdleModePattern); - - } - return 0; -} - -void InterfaceHandleShutdownModeWakeup(struct bcm_mini_adapter *Adapter) -{ - unsigned int uiRegVal = 0; - INT Status = 0; - int bytes; - - 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) - return; - } - - else { - -/* clear Interrupt EP registers. */ - bytes = rdmalt(Adapter, - DEVICE_INT_OUT_EP_REG0, - &uiRegVal, sizeof(uiRegVal)); - if (bytes < 0) { - Status = bytes; - return; - } - - bytes = rdmalt(Adapter, - DEVICE_INT_OUT_EP_REG1, - &uiRegVal, sizeof(uiRegVal)); - if (bytes < 0) { - Status = bytes; - return; - } - } -} - |