diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie')
5 files changed, 216 insertions, 90 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c index 7e56e4ff7642..b21a4d8eb105 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c @@ -1179,16 +1179,11 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) static void iwl_pci_remove(struct pci_dev *pdev) { struct iwl_trans *trans = pci_get_drvdata(pdev); - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); if (!trans) return; - cancel_delayed_work_sync(&trans_pcie->me_recheck_wk); - - iwl_drv_stop(trans->drv); - - iwl_trans_pcie_free(trans); + iwl_pcie_gen1_2_remove(trans); } #ifdef CONFIG_PM_SLEEP @@ -1260,7 +1255,7 @@ static int _iwl_pci_resume(struct device *device, bool restore) * won't really know how to recover. */ iwl_pcie_prepare_card_hw(trans); - iwl_finish_nic_init(trans); + iwl_trans_activate_nic(trans); iwl_op_mode_device_powered_off(trans->op_mode); } diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/internal.h b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/internal.h index f48aeebb151c..207c56e338dd 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/internal.h +++ b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/internal.h @@ -400,6 +400,11 @@ struct iwl_pcie_txqs { * @me_recheck_wk: worker to recheck WiAMT/CSME presence * @invalid_tx_cmd: invalid TX command buffer * @wait_command_queue: wait queue for sync commands + * @dev_cmd_pool: pool for Tx cmd allocation - for internal use only. + * The user should use iwl_trans_{alloc,free}_tx_cmd. + * @dev_cmd_pool_name: name for the TX command allocation pool + * @pm_support: set to true in start_hw if link pm is supported + * @ltr_enabled: set to true if the LTR is enabled */ struct iwl_trans_pcie { struct iwl_rxq *rxq; @@ -506,6 +511,12 @@ struct iwl_trans_pcie { struct iwl_dma_ptr invalid_tx_cmd; wait_queue_head_t wait_command_queue; + + struct kmem_cache *dev_cmd_pool; + char dev_cmd_pool_name[50]; + + bool pm_support; + bool ltr_enabled; }; static inline struct iwl_trans_pcie * @@ -783,6 +794,23 @@ static inline u16 iwl_txq_gen1_tfd_tb_get_len(struct iwl_trans *trans, return le16_to_cpu(tb->hi_n_len) >> 4; } +static inline struct iwl_device_tx_cmd * +iwl_pcie_gen1_2_alloc_tx_cmd(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + return kmem_cache_zalloc(trans_pcie->dev_cmd_pool, GFP_ATOMIC); +} + +static inline void +iwl_pcie_gen1_2_free_tx_cmd(struct iwl_trans *trans, + struct iwl_device_tx_cmd *dev_cmd) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + kmem_cache_free(trans_pcie->dev_cmd_pool, dev_cmd); +} + void iwl_pcie_reclaim(struct iwl_trans *trans, int txq_id, int ssn, struct sk_buff_head *skbs, bool is_flush); void iwl_pcie_set_q_ptrs(struct iwl_trans *trans, int txq_id, int ptr); @@ -818,6 +846,8 @@ static inline void _iwl_disable_interrupts(struct iwl_trans *trans) trans_pcie->fh_init_mask); iwl_write32(trans, CSR_MSIX_HW_INT_MASK_AD, trans_pcie->hw_init_mask); + trans_pcie->fh_mask = 0; + trans_pcie->hw_mask = 0; } IWL_DEBUG_ISR(trans, "Disabled interrupts\n"); } @@ -1000,6 +1030,7 @@ static inline void iwl_enable_rfkill_int(struct iwl_trans *trans) } else { iwl_write32(trans, CSR_MSIX_FH_INT_MASK_AD, trans_pcie->fh_init_mask); + trans_pcie->fh_mask = 0; iwl_enable_hw_int_msk_msix(trans, MSIX_HW_INT_CAUSES_REG_RF_KILL); } @@ -1047,7 +1078,7 @@ static inline void iwl_trans_pcie_dbgfs_register(struct iwl_trans *trans) { } void iwl_pcie_rx_allocator_work(struct work_struct *data); /* common trans ops for all generations transports */ -void iwl_trans_pcie_op_mode_enter(struct iwl_trans *trans); +void iwl_pcie_gen1_2_op_mode_enter(struct iwl_trans *trans); int _iwl_trans_pcie_start_hw(struct iwl_trans *trans); int iwl_trans_pcie_start_hw(struct iwl_trans *trans); void iwl_trans_pcie_op_mode_leave(struct iwl_trans *trans); @@ -1064,9 +1095,8 @@ iwl_trans_pcie_dump_data(struct iwl_trans *trans, u32 dump_mask, const struct iwl_dump_sanitize_ops *sanitize_ops, void *sanitize_ctx); int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, - enum iwl_d3_status *status, - bool test, bool reset); -int iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test, bool reset); + bool reset); +int iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool reset); void iwl_trans_pci_interrupts(struct iwl_trans *trans, bool enable); void iwl_trans_pcie_sync_nmi(struct iwl_trans *trans); void iwl_trans_pcie_set_bits_mask(struct iwl_trans *trans, u32 reg, @@ -1081,6 +1111,7 @@ int iwl_pci_gen1_2_probe(struct pci_dev *pdev, const struct pci_device_id *ent, const struct iwl_mac_cfg *mac_cfg, u8 __iomem *hw_base, u32 hw_rev); +void iwl_pcie_gen1_2_remove(struct iwl_trans *trans); /* transport gen 1 exported functions */ void iwl_trans_pcie_fw_alive(struct iwl_trans *trans); @@ -1105,6 +1136,7 @@ int iwl_pcie_alloc_dma_ptr(struct iwl_trans *trans, struct iwl_dma_ptr *ptr, size_t size); void iwl_pcie_free_dma_ptr(struct iwl_trans *trans, struct iwl_dma_ptr *ptr); void iwl_pcie_apply_destination(struct iwl_trans *trans); +int iwl_pcie_gen1_2_activate_nic(struct iwl_trans *trans); /* transport gen 2 exported functions */ int iwl_trans_pcie_gen2_start_fw(struct iwl_trans *trans, @@ -1124,4 +1156,17 @@ int iwl_trans_pcie_copy_imr(struct iwl_trans *trans, int iwl_trans_pcie_rxq_dma_data(struct iwl_trans *trans, int queue, struct iwl_trans_rxq_dma_data *data); +static inline bool iwl_pcie_gen1_is_pm_supported(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + return trans_pcie->pm_support; +} + +static inline bool iwl_pcie_gen1_2_is_ltr_enabled(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + return trans_pcie->ltr_enabled; +} #endif /* __iwl_trans_int_pcie_h__ */ diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans-gen2.c index 1951be3a30b7..b15c5d486527 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans-gen2.c @@ -47,7 +47,7 @@ int iwl_pcie_gen2_apm_init(struct iwl_trans *trans) iwl_pcie_apm_config(trans); - ret = iwl_finish_nic_init(trans); + ret = iwl_trans_activate_nic(trans); if (ret) return ret; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c index 327366bf87de..59307b5df441 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/trans.c @@ -25,13 +25,52 @@ #include "fw/dbg.h" #include "fw/api/tx.h" #include "fw/acpi.h" -#include "fw/api/tx.h" #include "mei/iwl-mei.h" #include "internal.h" #include "iwl-fh.h" #include "pcie/iwl-context-info-v2.h" #include "pcie/utils.h" +#define IWL_HOST_MON_BLOCK_PEMON 0x00 +#define IWL_HOST_MON_BLOCK_HIPM 0x22 + +#define IWL_HOST_MON_BLOCK_PEMON_VEC0 0x00 +#define IWL_HOST_MON_BLOCK_PEMON_VEC1 0x01 +#define IWL_HOST_MON_BLOCK_PEMON_WFPM 0x06 + +static void iwl_dump_host_monitor_block(struct iwl_trans *trans, + u32 block, u32 vec, u32 iter) +{ + int i; + + IWL_ERR(trans, "Host monitor block 0x%x vector 0x%x\n", block, vec); + iwl_write32(trans, CSR_MONITOR_CFG_REG, (block << 8) | vec); + for (i = 0; i < iter; i++) + IWL_ERR(trans, " value [iter %d]: 0x%08x\n", + i, iwl_read32(trans, CSR_MONITOR_STATUS_REG)); +} + +static void iwl_pcie_dump_host_monitor(struct iwl_trans *trans) +{ + switch (trans->mac_cfg->device_family) { + case IWL_DEVICE_FAMILY_22000: + case IWL_DEVICE_FAMILY_AX210: + IWL_ERR(trans, "CSR_RESET = 0x%x\n", + iwl_read32(trans, CSR_RESET)); + iwl_dump_host_monitor_block(trans, IWL_HOST_MON_BLOCK_PEMON, + IWL_HOST_MON_BLOCK_PEMON_VEC0, 15); + iwl_dump_host_monitor_block(trans, IWL_HOST_MON_BLOCK_PEMON, + IWL_HOST_MON_BLOCK_PEMON_VEC1, 15); + iwl_dump_host_monitor_block(trans, IWL_HOST_MON_BLOCK_PEMON, + IWL_HOST_MON_BLOCK_PEMON_WFPM, 15); + iwl_dump_host_monitor_block(trans, IWL_HOST_MON_BLOCK_HIPM, + IWL_HOST_MON_BLOCK_PEMON_VEC0, 1); + break; + default: + return; + } +} + /* extended range in FW SRAM */ #define IWL_FW_MEM_EXTENDED_START 0x40000 #define IWL_FW_MEM_EXTENDED_END 0x57FFF @@ -175,13 +214,13 @@ void iwl_pcie_apm_config(struct iwl_trans *trans) iwl_set_bit(trans, CSR_GIO_REG, CSR_GIO_REG_VAL_L0S_DISABLED); pcie_capability_read_word(trans_pcie->pci_dev, PCI_EXP_LNKCTL, &lctl); - trans->pm_support = !(lctl & PCI_EXP_LNKCTL_ASPM_L0S); + trans_pcie->pm_support = !(lctl & PCI_EXP_LNKCTL_ASPM_L0S); pcie_capability_read_word(trans_pcie->pci_dev, PCI_EXP_DEVCTL2, &cap); - trans->ltr_enabled = cap & PCI_EXP_DEVCTL2_LTR_EN; + trans_pcie->ltr_enabled = cap & PCI_EXP_DEVCTL2_LTR_EN; IWL_DEBUG_POWER(trans, "L1 %sabled - LTR %sabled\n", (lctl & PCI_EXP_LNKCTL_ASPM_L1) ? "En" : "Dis", - trans->ltr_enabled ? "En" : "Dis"); + trans_pcie->ltr_enabled ? "En" : "Dis"); } /* @@ -228,7 +267,7 @@ static int iwl_pcie_apm_init(struct iwl_trans *trans) if (trans->mac_cfg->base->pll_cfg) iwl_set_bit(trans, CSR_ANA_PLL_CFG, CSR50_ANA_PLL_CFG_VAL); - ret = iwl_finish_nic_init(trans); + ret = iwl_trans_activate_nic(trans); if (ret) return ret; @@ -301,7 +340,7 @@ static void iwl_pcie_apm_lp_xtal_enable(struct iwl_trans *trans) ret = iwl_trans_pcie_sw_reset(trans, true); if (!ret) - ret = iwl_finish_nic_init(trans); + ret = iwl_trans_activate_nic(trans); if (WARN_ON(ret)) { /* Release XTAL ON request */ @@ -1397,17 +1436,10 @@ void iwl_trans_pcie_rf_kill(struct iwl_trans *trans, bool state, bool from_irq) } static void iwl_pcie_d3_complete_suspend(struct iwl_trans *trans, - bool test, bool reset) + bool reset) { iwl_disable_interrupts(trans); - /* - * in testing mode, the host stays awake and the - * hardware won't be reset (not even partially) - */ - if (test) - return; - iwl_pcie_disable_ict(trans); iwl_pcie_synchronize_irqs(trans); @@ -1478,7 +1510,7 @@ static int iwl_pcie_d3_handshake(struct iwl_trans *trans, bool suspend) return ret; } -int iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test, bool reset) +int iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool reset) { int ret; @@ -1491,26 +1523,18 @@ int iwl_trans_pcie_d3_suspend(struct iwl_trans *trans, bool test, bool reset) if (ret) return ret; - iwl_pcie_d3_complete_suspend(trans, test, reset); + iwl_pcie_d3_complete_suspend(trans, reset); return 0; } int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, - enum iwl_d3_status *status, - bool test, bool reset) + bool reset) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); u32 val; int ret; - if (test) { - iwl_enable_interrupts(trans); - *status = IWL_D3_STATUS_ALIVE; - ret = 0; - goto out; - } - if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_BZ_MAC_ACCESS_REQ); @@ -1518,9 +1542,12 @@ int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, iwl_set_bit(trans, CSR_GP_CNTRL, CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - ret = iwl_finish_nic_init(trans); - if (ret) + ret = iwl_trans_activate_nic(trans); + if (ret) { + IWL_ERR(trans, "Failed to init nic upon resume. err = %d\n", + ret); return ret; + } /* * Reconfigure IVAR table in case of MSIX or reset ict table in @@ -1554,18 +1581,13 @@ int iwl_trans_pcie_d3_resume(struct iwl_trans *trans, iwl_read_umac_prph(trans, WFPM_GP2)); val = iwl_read32(trans, CSR_RESET); - if (val & CSR_RESET_REG_FLAG_NEVO_RESET) - *status = IWL_D3_STATUS_RESET; - else - *status = IWL_D3_STATUS_ALIVE; - -out: - if (*status == IWL_D3_STATUS_ALIVE) - ret = iwl_pcie_d3_handshake(trans, false); - else + if (val & CSR_RESET_REG_FLAG_NEVO_RESET) { + IWL_INFO(trans, "Device was reset during suspend\n"); trans->state = IWL_TRANS_NO_FW; + return -ENOENT; + } - return ret; + return iwl_pcie_d3_handshake(trans, false); } static void @@ -1744,7 +1766,7 @@ static int iwl_pcie_gen2_force_power_gating(struct iwl_trans *trans) { int ret; - ret = iwl_finish_nic_init(trans); + ret = iwl_trans_activate_nic(trans); if (ret < 0) return ret; @@ -1882,7 +1904,7 @@ void iwl_trans_pcie_write_prph(struct iwl_trans *trans, u32 addr, u32 val) iwl_trans_pcie_write32(trans, HBUS_TARG_PRPH_WDAT, val); } -void iwl_trans_pcie_op_mode_enter(struct iwl_trans *trans) +void iwl_pcie_gen1_2_op_mode_enter(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); @@ -2000,6 +2022,7 @@ void iwl_trans_pcie_free(struct iwl_trans *trans) free_percpu(trans_pcie->txqs.tso_hdr_page); } + kmem_cache_destroy(trans_pcie->dev_cmd_pool); iwl_trans_free(trans); } @@ -3516,7 +3539,7 @@ iwl_trans_pcie_dump_data(struct iwl_trans *trans, u32 dump_mask, struct iwl_trans_dump_data *dump_data; u32 len, num_rbs = 0, monitor_len = 0; int i, ptr; - bool dump_rbs = test_bit(STATUS_FW_ERROR, &trans->status) && + bool dump_rbs = iwl_trans_is_fw_error(trans) && !trans->mac_cfg->mq_rx_supported && dump_mask & BIT(IWL_FW_ERROR_DUMP_RB); @@ -3684,28 +3707,40 @@ void iwl_trans_pcie_sync_nmi(struct iwl_trans *trans) iwl_trans_sync_nmi_with_addr(trans, inta_addr, sw_err_bit); } -static int iwl_trans_pcie_set_txcmd_info(const struct iwl_mac_cfg *mac_cfg, - unsigned int *txcmd_size, - unsigned int *txcmd_align) +static int iwl_trans_pcie_alloc_txcmd_pool(struct iwl_trans *trans) { - if (!mac_cfg->gen2) { - *txcmd_size = sizeof(struct iwl_tx_cmd_v6); - *txcmd_align = sizeof(void *); - } else if (mac_cfg->device_family < IWL_DEVICE_FAMILY_AX210) { - *txcmd_size = sizeof(struct iwl_tx_cmd_v9); - *txcmd_align = 64; + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + unsigned int txcmd_size, txcmd_align; + + if (!trans->mac_cfg->gen2) { + txcmd_size = sizeof(struct iwl_tx_cmd_v6); + txcmd_align = sizeof(void *); + } else if (trans->mac_cfg->device_family < IWL_DEVICE_FAMILY_AX210) { + txcmd_size = sizeof(struct iwl_tx_cmd_v9); + txcmd_align = 64; } else { - *txcmd_size = sizeof(struct iwl_tx_cmd); - *txcmd_align = 128; + txcmd_size = sizeof(struct iwl_tx_cmd); + txcmd_align = 128; } - *txcmd_size += sizeof(struct iwl_cmd_header); - *txcmd_size += 36; /* biggest possible 802.11 header */ + txcmd_size += sizeof(struct iwl_cmd_header); + txcmd_size += 36; /* biggest possible 802.11 header */ /* Ensure device TX cmd cannot reach/cross a page boundary in gen2 */ - if (WARN_ON((mac_cfg->gen2 && *txcmd_size >= *txcmd_align))) + if (WARN_ON((trans->mac_cfg->gen2 && txcmd_size >= txcmd_align))) return -EINVAL; + snprintf(trans_pcie->dev_cmd_pool_name, + sizeof(trans_pcie->dev_cmd_pool_name), + "iwl_cmd_pool:%s", dev_name(trans->dev)); + + trans_pcie->dev_cmd_pool = + kmem_cache_create(trans_pcie->dev_cmd_pool_name, + txcmd_size, txcmd_align, + SLAB_HWCACHE_ALIGN, NULL); + if (!trans_pcie->dev_cmd_pool) + return -ENOMEM; + return 0; } @@ -3715,18 +3750,12 @@ iwl_trans_pcie_alloc(struct pci_dev *pdev, struct iwl_trans_info *info, u8 __iomem *hw_base) { struct iwl_trans_pcie *trans_pcie, **priv; - unsigned int txcmd_size, txcmd_align; struct iwl_trans *trans; unsigned int bc_tbl_n_entries; int ret, addr_size; - ret = iwl_trans_pcie_set_txcmd_info(mac_cfg, &txcmd_size, - &txcmd_align); - if (ret) - return ERR_PTR(ret); - trans = iwl_trans_alloc(sizeof(struct iwl_trans_pcie), &pdev->dev, - mac_cfg, txcmd_size, txcmd_align); + mac_cfg); if (!trans) return ERR_PTR(-ENOMEM); @@ -3737,6 +3766,10 @@ iwl_trans_pcie_alloc(struct pci_dev *pdev, /* Initialize the wait queue for commands */ init_waitqueue_head(&trans_pcie->wait_command_queue); + ret = iwl_trans_pcie_alloc_txcmd_pool(trans); + if (ret) + goto out_free_trans; + if (trans->mac_cfg->gen2) { trans_pcie->txqs.tfd.addr_size = 64; trans_pcie->txqs.tfd.max_tbs = IWL_TFH_NUM_TBS; @@ -3756,7 +3789,7 @@ iwl_trans_pcie_alloc(struct pci_dev *pdev, trans_pcie->txqs.tso_hdr_page = alloc_percpu(struct iwl_tso_hdr_page); if (!trans_pcie->txqs.tso_hdr_page) { ret = -ENOMEM; - goto out_free_trans; + goto out_free_txcmd_pool; } if (trans->mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) @@ -3906,6 +3939,8 @@ out_free_ndev: free_netdev(trans_pcie->napi_dev); out_free_tso: free_percpu(trans_pcie->txqs.tso_hdr_page); +out_free_txcmd_pool: + kmem_cache_destroy(trans_pcie->dev_cmd_pool); out_free_trans: iwl_trans_free(trans); return ERR_PTR(ret); @@ -3999,6 +4034,7 @@ static void get_crf_id(struct iwl_trans *iwl_trans, /* Read cdb info (also contains the jacket info if needed in the future */ hw_wfpm_id = iwl_read_umac_prph_no_grab(iwl_trans, WFPM_OTP_CFG1_ADDR); + IWL_INFO(iwl_trans, "Detected crf-id 0x%x, cnv-id 0x%x wfpm id 0x%x\n", info->hw_crf_id, info->hw_cnv_id, hw_wfpm_id); } @@ -4014,10 +4050,8 @@ static int map_crf_id(struct iwl_trans *iwl_trans, u32 val = info->hw_crf_id; u32 step_id = REG_CRF_ID_STEP(val); u32 slave_id = REG_CRF_ID_SLAVE(val); - u32 jacket_id_cnv = REG_CRF_ID_SLAVE(info->hw_cnv_id); u32 hw_wfpm_id = iwl_read_umac_prph_no_grab(iwl_trans, WFPM_OTP_CFG1_ADDR); - u32 jacket_id_wfpm = WFPM_OTP_CFG1_IS_JACKET(hw_wfpm_id); u32 cdb_id_wfpm = WFPM_OTP_CFG1_IS_CDB(hw_wfpm_id); /* Map between crf id to rf id */ @@ -4066,21 +4100,12 @@ static int map_crf_id(struct iwl_trans *iwl_trans, IWL_INFO(iwl_trans, "Adding cdb to rf id\n"); } - /* Set Jacket capabilities */ - if (jacket_id_wfpm || jacket_id_cnv) { - info->hw_rf_id += BIT(29); - IWL_INFO(iwl_trans, "Adding jacket to rf id\n"); - } - IWL_INFO(iwl_trans, "Detected rf-type 0x%x step-id 0x%x slave-id 0x%x from crf id 0x%x\n", REG_CRF_ID_TYPE(val), step_id, slave_id, info->hw_rf_id); IWL_INFO(iwl_trans, - "Detected cdb-id 0x%x jacket-id 0x%x from wfpm id 0x%x\n", - cdb_id_wfpm, jacket_id_wfpm, hw_wfpm_id); - IWL_INFO(iwl_trans, "Detected jacket-id 0x%x from cnvi id 0x%x\n", - jacket_id_cnv, info->hw_cnv_id); - + "Detected cdb-id 0x%x from wfpm id 0x%x\n", + cdb_id_wfpm, hw_wfpm_id); out: return ret; } @@ -4163,7 +4188,7 @@ int iwl_pci_gen1_2_probe(struct pci_dev *pdev, */ ret = iwl_pcie_prepare_card_hw(iwl_trans); if (!ret) { - ret = iwl_finish_nic_init(iwl_trans); + ret = iwl_trans_activate_nic(iwl_trans); if (ret) goto out_free_trans; if (iwl_trans_grab_nic_access(iwl_trans)) { @@ -4271,3 +4296,63 @@ out_free_trans: iwl_trans_pcie_free(iwl_trans); return ret; } + +void iwl_pcie_gen1_2_remove(struct iwl_trans *trans) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + + cancel_delayed_work_sync(&trans_pcie->me_recheck_wk); + + iwl_drv_stop(trans->drv); + + iwl_trans_pcie_free(trans); +} + +int iwl_pcie_gen1_2_activate_nic(struct iwl_trans *trans) +{ + const struct iwl_mac_cfg *mac_cfg = trans->mac_cfg; + u32 poll_ready; + int err; + + if (mac_cfg->bisr_workaround) { + /* ensure the TOP FSM isn't still in previous reset */ + mdelay(2); + } + + /* + * Set "initialization complete" bit to move adapter from + * D0U* --> D0A* (powered-up active) state. + */ + if (mac_cfg->device_family >= IWL_DEVICE_FAMILY_BZ) { + iwl_set_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_BZ_MAC_ACCESS_REQ | + CSR_GP_CNTRL_REG_FLAG_MAC_INIT); + poll_ready = CSR_GP_CNTRL_REG_FLAG_MAC_STATUS; + } else { + iwl_set_bit(trans, CSR_GP_CNTRL, + CSR_GP_CNTRL_REG_FLAG_INIT_DONE); + poll_ready = CSR_GP_CNTRL_REG_FLAG_MAC_CLOCK_READY; + } + + if (mac_cfg->device_family == IWL_DEVICE_FAMILY_8000) + udelay(2); + + /* + * Wait for clock stabilization; once stabilized, access to + * device-internal resources is supported, e.g. iwl_write_prph() + * and accesses to uCode SRAM. + */ + err = iwl_poll_bits(trans, CSR_GP_CNTRL, poll_ready, 25000); + if (err < 0) { + IWL_DEBUG_INFO(trans, "Failed to wake NIC\n"); + + iwl_pcie_dump_host_monitor(trans); + } + + if (mac_cfg->bisr_workaround) { + /* ensure BISR shift has finished */ + udelay(200); + } + + return err; +} diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/tx.c index bb03dad4a300..6e85aa519e1b 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/gen1_2/tx.c @@ -2602,8 +2602,9 @@ static int iwl_trans_pcie_send_hcmd_sync(struct iwl_trans *trans, } if (test_bit(STATUS_FW_ERROR, &trans->status)) { - if (!test_and_clear_bit(STATUS_SUPPRESS_CMD_ERROR_ONCE, - &trans->status)) { + if (trans->suppress_cmd_error_once) { + trans->suppress_cmd_error_once = false; + } else { IWL_ERR(trans, "FW error in SYNC CMD %s\n", cmd_str); dump_stack(); } |