Esempi in C++ (Cpp) per wcnss_wlan_get_memory_map

Esempio n. 1

File: wlan_qct_pal_device.c Progetto: fantomlez/android_kernel_acer_hemingway

/**
  @brief wpalDeviceInit provides a mechanism to initialize the DXE
         platform adaptation

  @param  deviceCB:  Implementation-specific device control block

  @see    wpalDeviceClose

  @return SUCCESS if the DXE abstraction was opened
*/
wpt_status wpalDeviceInit
(
   void * deviceCB
)
{
   hdd_context_t *pHddCtx = (hdd_context_t *)deviceCB;
   struct device *wcnss_device = pHddCtx->parent_dev;
   struct resource *wcnss_memory;
   int tx_irq;
   int rx_irq;

   if (NULL != gpEnv) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: invoked  after subsystem initialized",
                 __func__);
      return eWLAN_PAL_STATUS_E_INVAL;
   }

   if (NULL == wcnss_device) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: invalid device",
                 __func__);
      return eWLAN_PAL_STATUS_E_INVAL;
   }

   wcnss_memory = wcnss_wlan_get_memory_map(wcnss_device);
   if (NULL == wcnss_memory) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: WCNSS memory map unavailable",
                 __func__);
      return eWLAN_PAL_STATUS_E_FAILURE;
   }

   tx_irq = wcnss_wlan_get_dxe_tx_irq(wcnss_device);
   if (0 > tx_irq) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: WCNSS TX IRQ unavailable",
                 __func__);
      return eWLAN_PAL_STATUS_E_FAILURE;
   }

   rx_irq = wcnss_wlan_get_dxe_rx_irq(wcnss_device);
   if (0 > rx_irq) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: WCNSS RX IRQ unavailable",
                 __func__);
      return eWLAN_PAL_STATUS_E_FAILURE;
   }

   gpEnv = &gEnv;
   if (NULL == gpEnv) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: memory allocation failure",
                 __func__);
      return eWLAN_PAL_STATUS_E_NOMEM;
   }

   memset(gpEnv, 0, sizeof(*gpEnv));

   gpEnv->wcnss_memory = wcnss_memory;
   gpEnv->tx_irq = tx_irq;
   gpEnv->rx_irq = rx_irq;

   /* note the we don't invoke request_mem_region().
      the memory described by wcnss_memory encompases the entire
      register space (including BT and FM) and we do not want
      exclusive access to that memory */

   gpEnv->mmio = ioremap(wcnss_memory->start, resource_size(wcnss_memory));
   if (NULL == gpEnv->mmio) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: memory remap failure",
                 __func__);
      goto err_ioremap;
   }

   gpEnv->tx_registered = 0;
   gpEnv->rx_registered = 0;

   /* successfully allocated environment, memory and IRQs */
   return eWLAN_PAL_STATUS_SUCCESS;

 err_ioremap:
   gpEnv = NULL;

   return eWLAN_PAL_STATUS_E_FAILURE;

}

Esempio n. 2

File: wlan_qct_pal_device.c Progetto: qtekfun/htcDesire820Kernel

wpt_status wpalDeviceInit
(
   void * deviceCB
)
{
   hdd_context_t *pHddCtx = (hdd_context_t *)deviceCB;
   struct device *wcnss_device = pHddCtx->parent_dev;
   struct resource *wcnss_memory;
   int tx_irq;
   int rx_irq;

   if (NULL != gpEnv) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: invoked  after subsystem initialized",
                 __func__);
      return eWLAN_PAL_STATUS_E_INVAL;
   }

   if (NULL == wcnss_device) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: invalid device",
                 __func__);
      return eWLAN_PAL_STATUS_E_INVAL;
   }

   wcnss_memory = wcnss_wlan_get_memory_map(wcnss_device);
   if (NULL == wcnss_memory) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: WCNSS memory map unavailable",
                 __func__);
      return eWLAN_PAL_STATUS_E_FAILURE;
   }

   tx_irq = wcnss_wlan_get_dxe_tx_irq(wcnss_device);
   if (0 > tx_irq) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: WCNSS TX IRQ unavailable",
                 __func__);
      return eWLAN_PAL_STATUS_E_FAILURE;
   }

   rx_irq = wcnss_wlan_get_dxe_rx_irq(wcnss_device);
   if (0 > rx_irq) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: WCNSS RX IRQ unavailable",
                 __func__);
      return eWLAN_PAL_STATUS_E_FAILURE;
   }

   gpEnv = &gEnv;
   if (NULL == gpEnv) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: memory allocation failure",
                 __func__);
      return eWLAN_PAL_STATUS_E_NOMEM;
   }

   memset(gpEnv, 0, sizeof(*gpEnv));

   gpEnv->wcnss_memory = wcnss_memory;
   gpEnv->tx_irq = tx_irq;
   gpEnv->rx_irq = rx_irq;


   gpEnv->mmio = ioremap(wcnss_memory->start, resource_size(wcnss_memory));

   if (NULL == gpEnv->mmio) {
      WPAL_TRACE(eWLAN_MODULE_DAL_DATA, eWLAN_PAL_TRACE_LEVEL_ERROR,
                 "%s: memory remap failure",
                 __func__);
      goto err_ioremap;
   }

   gpEnv->tx_registered = 0;
   gpEnv->rx_registered = 0;

   
   return eWLAN_PAL_STATUS_SUCCESS;

 err_ioremap:
   gpEnv = NULL;

   return eWLAN_PAL_STATUS_E_FAILURE;

}