diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/trans.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/trans.c | 51 |
1 files changed, 46 insertions, 5 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c index ef14584fc0a1..8be3c3c8c68b 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/trans.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/trans.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause /* - * Copyright (C) 2007-2015, 2018-2020 Intel Corporation + * Copyright (C) 2007-2015, 2018-2022 Intel Corporation * Copyright (C) 2013-2015 Intel Mobile Communications GmbH * Copyright (C) 2016-2017 Intel Deutschland GmbH */ @@ -745,7 +745,7 @@ static int iwl_pcie_load_section(struct iwl_trans *trans, u8 section_num, iwl_set_bits_prph(trans, LMPM_CHICK, LMPM_CHICK_EXTENDED_ADDR_SPACE); - memcpy(v_addr, (u8 *)section->data + offset, copy_size); + memcpy(v_addr, (const u8 *)section->data + offset, copy_size); ret = iwl_pcie_load_firmware_chunk(trans, dst_addr, p_addr, copy_size); @@ -1112,7 +1112,7 @@ static const struct iwl_causes_list causes_list_pre_bz[] = { }; static const struct iwl_causes_list causes_list_bz[] = { - {MSIX_HW_INT_CAUSES_REG_SW_ERR_BZ, CSR_MSIX_HW_INT_MASK_AD, 0x29}, + {MSIX_HW_INT_CAUSES_REG_SW_ERR_BZ, CSR_MSIX_HW_INT_MASK_AD, 0x15}, }; static void iwl_pcie_map_list(struct iwl_trans *trans, @@ -1948,6 +1948,7 @@ static void iwl_trans_pcie_configure(struct iwl_trans *trans, trans->txqs.cmd.wdg_timeout = trans_cfg->cmd_q_wdg_timeout; trans->txqs.page_offs = trans_cfg->cb_data_offs; trans->txqs.dev_cmd_offs = trans_cfg->cb_data_offs + sizeof(void *); + trans->txqs.queue_alloc_cmd_ver = trans_cfg->queue_alloc_cmd_ver; if (WARN_ON(trans_cfg->n_no_reclaim_cmds > MAX_NO_RECLAIM_CMDS)) trans_pcie->n_no_reclaim_cmds = 0; @@ -2863,7 +2864,7 @@ static ssize_t iwl_dbgfs_monitor_data_read(struct file *file, { struct iwl_trans *trans = file->private_data; struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - void *cpu_addr = (void *)trans->dbg.fw_mon.block, *curr_buf; + u8 *cpu_addr = (void *)trans->dbg.fw_mon.block, *curr_buf; struct cont_rec *data = &trans_pcie->fw_mon_data; u32 write_ptr_addr, wrap_cnt_addr, write_ptr, wrap_cnt; ssize_t size, bytes_copied = 0; @@ -3468,7 +3469,8 @@ static void iwl_trans_pcie_sync_nmi(struct iwl_trans *trans) .d3_suspend = iwl_trans_pcie_d3_suspend, \ .d3_resume = iwl_trans_pcie_d3_resume, \ .interrupts = iwl_trans_pci_interrupts, \ - .sync_nmi = iwl_trans_pcie_sync_nmi \ + .sync_nmi = iwl_trans_pcie_sync_nmi, \ + .imr_dma_data = iwl_trans_pcie_copy_imr \ static const struct iwl_trans_ops trans_ops_pcie = { IWL_TRANS_COMMON_OPS, @@ -3553,6 +3555,7 @@ struct iwl_trans *iwl_trans_pcie_alloc(struct pci_dev *pdev, mutex_init(&trans_pcie->mutex); init_waitqueue_head(&trans_pcie->ucode_write_waitq); init_waitqueue_head(&trans_pcie->fw_reset_waitq); + init_waitqueue_head(&trans_pcie->imr_waitq); trans_pcie->rba.alloc_wq = alloc_workqueue("rb_allocator", WQ_HIGHPRI | WQ_UNBOUND, 1); @@ -3681,3 +3684,41 @@ out_free_trans: iwl_trans_free(trans); return ERR_PTR(ret); } + +void iwl_trans_pcie_copy_imr_fh(struct iwl_trans *trans, + u32 dst_addr, u64 src_addr, u32 byte_cnt) +{ + iwl_write_prph(trans, IMR_UREG_CHICK, + iwl_read_prph(trans, IMR_UREG_CHICK) | + IMR_UREG_CHICK_HALT_UMAC_PERMANENTLY_MSK); + iwl_write_prph(trans, IMR_TFH_SRV_DMA_CHNL0_SRAM_ADDR, dst_addr); + iwl_write_prph(trans, IMR_TFH_SRV_DMA_CHNL0_DRAM_ADDR_LSB, + (u32)(src_addr & 0xFFFFFFFF)); + iwl_write_prph(trans, IMR_TFH_SRV_DMA_CHNL0_DRAM_ADDR_MSB, + iwl_get_dma_hi_addr(src_addr)); + iwl_write_prph(trans, IMR_TFH_SRV_DMA_CHNL0_BC, byte_cnt); + iwl_write_prph(trans, IMR_TFH_SRV_DMA_CHNL0_CTRL, + IMR_TFH_SRV_DMA_CHNL0_CTRL_D2S_IRQ_TARGET_POS | + IMR_TFH_SRV_DMA_CHNL0_CTRL_D2S_DMA_EN_POS | + IMR_TFH_SRV_DMA_CHNL0_CTRL_D2S_RS_MSK); +} + +int iwl_trans_pcie_copy_imr(struct iwl_trans *trans, + u32 dst_addr, u64 src_addr, u32 byte_cnt) +{ + struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); + int ret = -1; + + trans_pcie->imr_status = IMR_D2S_REQUESTED; + iwl_trans_pcie_copy_imr_fh(trans, dst_addr, src_addr, byte_cnt); + ret = wait_event_timeout(trans_pcie->imr_waitq, + trans_pcie->imr_status != + IMR_D2S_REQUESTED, 5 * HZ); + if (!ret || trans_pcie->imr_status == IMR_D2S_ERROR) { + IWL_ERR(trans, "Failed to copy IMR Memory chunk!\n"); + iwl_trans_pcie_dump_regs(trans); + return -ETIMEDOUT; + } + trans_pcie->imr_status = IMR_D2S_IDLE; + return 0; +} |