diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2011-08-26 06:10:53 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-29 19:25:33 (GMT) |
| commit | 0c325769a394559941acda83e888a1d9b1ef8b7f (patch) | |
| tree | 6c64e9a7f14f5d8c9d6d0df095aa2747caddc0b8 /drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h | |
| parent | 57210f7c9f04a2509ee54a0f454003a714db96dd (diff) | |
| download | linux-fsl-qoriq-0c325769a394559941acda83e888a1d9b1ef8b7f.tar.xz | |
iwlagn: move ISR related data to transport layer
Since the ISR is entirely in the transport layer, its data should be in the pcie
specific region.
Change sync_irq to first disable and then synchronize the IRQ.
iwl_isr and iwl_isr_ict now receive iwl_trans.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h index 1d80515..7e2f954 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h @@ -78,6 +78,18 @@ struct iwl_trans_pcie { struct iwl_rx_queue rxq; struct work_struct rx_replenish; struct iwl_trans *trans; + + /* INT ICT Table */ + __le32 *ict_tbl; + void *ict_tbl_vir; + dma_addr_t ict_tbl_dma; + dma_addr_t aligned_ict_tbl_dma; + int ict_index; + u32 inta; + bool use_ict; + struct tasklet_struct irq_tasklet; + + u32 inta_mask; }; #define IWL_TRANS_GET_PCIE_TRANS(_iwl_trans) \ @@ -87,7 +99,7 @@ struct iwl_trans_pcie { * RX ******************************************************/ void iwl_bg_rx_replenish(struct work_struct *data); -void iwl_irq_tasklet(struct iwl_priv *priv); +void iwl_irq_tasklet(struct iwl_trans *trans); void iwlagn_rx_replenish(struct iwl_trans *trans); void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans, struct iwl_rx_queue *q); @@ -96,12 +108,11 @@ void iwl_rx_queue_update_write_ptr(struct iwl_trans *trans, * ICT ******************************************************/ int iwl_reset_ict(struct iwl_priv *priv); -void iwl_disable_ict(struct iwl_priv *priv); -int iwl_alloc_isr_ict(struct iwl_priv *priv); -void iwl_free_isr_ict(struct iwl_priv *priv); +void iwl_disable_ict(struct iwl_trans *trans); +int iwl_alloc_isr_ict(struct iwl_trans *trans); +void iwl_free_isr_ict(struct iwl_trans *trans); irqreturn_t iwl_isr_ict(int irq, void *data); - /***************************************************** * TX / HCMD ******************************************************/ @@ -130,4 +141,28 @@ void iwl_trans_tx_queue_set_status(struct iwl_priv *priv, void iwl_trans_pcie_txq_agg_setup(struct iwl_priv *priv, int sta_id, int tid, int frame_limit); +static inline void iwl_disable_interrupts(struct iwl_trans *trans) +{ + clear_bit(STATUS_INT_ENABLED, &trans->shrd->status); + + /* disable interrupts from uCode/NIC to host */ + iwl_write32(priv(trans), CSR_INT_MASK, 0x00000000); + + /* acknowledge/clear/reset any interrupts still pending + * from uCode or flow handler (Rx/Tx DMA) */ + iwl_write32(priv(trans), CSR_INT, 0xffffffff); + iwl_write32(priv(trans), CSR_FH_INT_STATUS, 0xffffffff); + IWL_DEBUG_ISR(trans, "Disabled interrupts\n"); +} + +static inline void iwl_enable_interrupts(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = + IWL_TRANS_GET_PCIE_TRANS(trans); + + IWL_DEBUG_ISR(trans, "Enabling interrupts\n"); + set_bit(STATUS_INT_ENABLED, &trans->shrd->status); + iwl_write32(priv(trans), CSR_INT_MASK, trans_pcie->inta_mask); +} + #endif /* __iwl_trans_int_pcie_h__ */ |