diff options
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c | 303 |
1 files changed, 0 insertions, 303 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c b/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c deleted file mode 100644 index 1ab136600415..000000000000 --- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c +++ /dev/null @@ -1,303 +0,0 @@ -/****************************************************************************** - * - * This file is provided under a dual BSD/GPLv2 license. When using or - * redistributing this file, you may do so under either license. - * - * GPL LICENSE SUMMARY - * - * Copyright(c) 2018 - 2020 Intel Corporation - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of version 2 of the GNU General Public License as - * published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * BSD LICENSE - * - * Copyright(c) 2018 - 2020 Intel Corporation - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - *****************************************************************************/ - -#include "iwl-trans.h" -#include "iwl-fh.h" -#include "iwl-context-info-gen3.h" -#include "internal.h" -#include "iwl-prph.h" - -static void -iwl_pcie_ctxt_info_dbg_enable(struct iwl_trans *trans, - struct iwl_prph_scratch_hwm_cfg *dbg_cfg, - u32 *control_flags) -{ - enum iwl_fw_ini_allocation_id alloc_id = IWL_FW_INI_ALLOCATION_ID_DBGC1; - struct iwl_fw_ini_allocation_tlv *fw_mon_cfg; - u32 dbg_flags = 0; - - if (!iwl_trans_dbg_ini_valid(trans)) { - struct iwl_dram_data *fw_mon = &trans->dbg.fw_mon; - - iwl_pcie_alloc_fw_monitor(trans, 0); - - if (fw_mon->size) { - dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_DRAM; - - IWL_DEBUG_FW(trans, - "WRT: Applying DRAM buffer destination\n"); - - dbg_cfg->hwm_base_addr = cpu_to_le64(fw_mon->physical); - dbg_cfg->hwm_size = cpu_to_le32(fw_mon->size); - } - - goto out; - } - - fw_mon_cfg = &trans->dbg.fw_mon_cfg[alloc_id]; - - switch (le32_to_cpu(fw_mon_cfg->buf_location)) { - case IWL_FW_INI_LOCATION_SRAM_PATH: - dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_INTERNAL; - IWL_DEBUG_FW(trans, - "WRT: Applying SMEM buffer destination\n"); - break; - - case IWL_FW_INI_LOCATION_NPK_PATH: - dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_TB22DTF; - IWL_DEBUG_FW(trans, - "WRT: Applying NPK buffer destination\n"); - break; - - case IWL_FW_INI_LOCATION_DRAM_PATH: - if (trans->dbg.fw_mon_ini[alloc_id].num_frags) { - struct iwl_dram_data *frag = - &trans->dbg.fw_mon_ini[alloc_id].frags[0]; - dbg_flags |= IWL_PRPH_SCRATCH_EDBG_DEST_DRAM; - dbg_cfg->hwm_base_addr = cpu_to_le64(frag->physical); - dbg_cfg->hwm_size = cpu_to_le32(frag->size); - IWL_DEBUG_FW(trans, - "WRT: Applying DRAM destination (alloc_id=%u, num_frags=%u)\n", - alloc_id, - trans->dbg.fw_mon_ini[alloc_id].num_frags); - } - break; - default: - IWL_ERR(trans, "WRT: Invalid buffer destination\n"); - } -out: - if (dbg_flags) - *control_flags |= IWL_PRPH_SCRATCH_EARLY_DEBUG_EN | dbg_flags; -} - -int iwl_pcie_ctxt_info_gen3_init(struct iwl_trans *trans, - const struct fw_img *fw) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_context_info_gen3 *ctxt_info_gen3; - struct iwl_prph_scratch *prph_scratch; - struct iwl_prph_scratch_ctrl_cfg *prph_sc_ctrl; - struct iwl_prph_info *prph_info; - void *iml_img; - u32 control_flags = 0; - int ret; - int cmdq_size = max_t(u32, IWL_CMD_QUEUE_SIZE, - trans->cfg->min_txq_size); - - switch (trans_pcie->rx_buf_size) { - case IWL_AMSDU_DEF: - return -EINVAL; - case IWL_AMSDU_2K: - break; - case IWL_AMSDU_4K: - control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_4K; - break; - case IWL_AMSDU_8K: - control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_4K; - /* if firmware supports the ext size, tell it */ - control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_EXT_8K; - break; - case IWL_AMSDU_12K: - control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_4K; - /* if firmware supports the ext size, tell it */ - control_flags |= IWL_PRPH_SCRATCH_RB_SIZE_EXT_12K; - break; - } - - /* Allocate prph scratch */ - prph_scratch = dma_alloc_coherent(trans->dev, sizeof(*prph_scratch), - &trans_pcie->prph_scratch_dma_addr, - GFP_KERNEL); - if (!prph_scratch) - return -ENOMEM; - - prph_sc_ctrl = &prph_scratch->ctrl_cfg; - - prph_sc_ctrl->version.version = 0; - prph_sc_ctrl->version.mac_id = - cpu_to_le16((u16)iwl_read32(trans, CSR_HW_REV)); - prph_sc_ctrl->version.size = cpu_to_le16(sizeof(*prph_scratch) / 4); - - control_flags |= IWL_PRPH_SCRATCH_MTR_MODE; - control_flags |= IWL_PRPH_MTR_FORMAT_256B & IWL_PRPH_SCRATCH_MTR_FORMAT; - - /* initialize RX default queue */ - prph_sc_ctrl->rbd_cfg.free_rbd_addr = - cpu_to_le64(trans_pcie->rxq->bd_dma); - - iwl_pcie_ctxt_info_dbg_enable(trans, &prph_sc_ctrl->hwm_cfg, - &control_flags); - prph_sc_ctrl->control.control_flags = cpu_to_le32(control_flags); - - /* allocate ucode sections in dram and set addresses */ - ret = iwl_pcie_init_fw_sec(trans, fw, &prph_scratch->dram); - if (ret) - goto err_free_prph_scratch; - - - /* Allocate prph information - * currently we don't assign to the prph info anything, but it would get - * assigned later */ - prph_info = dma_alloc_coherent(trans->dev, sizeof(*prph_info), - &trans_pcie->prph_info_dma_addr, - GFP_KERNEL); - if (!prph_info) { - ret = -ENOMEM; - goto err_free_prph_scratch; - } - - /* Allocate context info */ - ctxt_info_gen3 = dma_alloc_coherent(trans->dev, - sizeof(*ctxt_info_gen3), - &trans_pcie->ctxt_info_dma_addr, - GFP_KERNEL); - if (!ctxt_info_gen3) { - ret = -ENOMEM; - goto err_free_prph_info; - } - - ctxt_info_gen3->prph_info_base_addr = - cpu_to_le64(trans_pcie->prph_info_dma_addr); - ctxt_info_gen3->prph_scratch_base_addr = - cpu_to_le64(trans_pcie->prph_scratch_dma_addr); - ctxt_info_gen3->prph_scratch_size = - cpu_to_le32(sizeof(*prph_scratch)); - ctxt_info_gen3->cr_head_idx_arr_base_addr = - cpu_to_le64(trans_pcie->rxq->rb_stts_dma); - ctxt_info_gen3->tr_tail_idx_arr_base_addr = - cpu_to_le64(trans_pcie->rxq->tr_tail_dma); - ctxt_info_gen3->cr_tail_idx_arr_base_addr = - cpu_to_le64(trans_pcie->rxq->cr_tail_dma); - ctxt_info_gen3->cr_idx_arr_size = - cpu_to_le16(IWL_NUM_OF_COMPLETION_RINGS); - ctxt_info_gen3->tr_idx_arr_size = - cpu_to_le16(IWL_NUM_OF_TRANSFER_RINGS); - ctxt_info_gen3->mtr_base_addr = - cpu_to_le64(trans->txqs.txq[trans->txqs.cmd.q_id]->dma_addr); - ctxt_info_gen3->mcr_base_addr = - cpu_to_le64(trans_pcie->rxq->used_bd_dma); - ctxt_info_gen3->mtr_size = - cpu_to_le16(TFD_QUEUE_CB_SIZE(cmdq_size)); - ctxt_info_gen3->mcr_size = - cpu_to_le16(RX_QUEUE_CB_SIZE(trans->cfg->num_rbds)); - - trans_pcie->ctxt_info_gen3 = ctxt_info_gen3; - trans_pcie->prph_info = prph_info; - trans_pcie->prph_scratch = prph_scratch; - - /* Allocate IML */ - iml_img = dma_alloc_coherent(trans->dev, trans->iml_len, - &trans_pcie->iml_dma_addr, GFP_KERNEL); - if (!iml_img) - return -ENOMEM; - - memcpy(iml_img, trans->iml, trans->iml_len); - - iwl_enable_fw_load_int_ctx_info(trans); - - /* kick FW self load */ - iwl_write64(trans, CSR_CTXT_INFO_ADDR, - trans_pcie->ctxt_info_dma_addr); - iwl_write64(trans, CSR_IML_DATA_ADDR, - trans_pcie->iml_dma_addr); - iwl_write32(trans, CSR_IML_SIZE_ADDR, trans->iml_len); - - iwl_set_bit(trans, CSR_CTXT_INFO_BOOT_CTRL, - CSR_AUTO_FUNC_BOOT_ENA); - if (trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_AX210) - iwl_write_umac_prph(trans, UREG_CPU_INIT_RUN, 1); - else - iwl_set_bit(trans, CSR_GP_CNTRL, CSR_AUTO_FUNC_INIT); - - return 0; - -err_free_prph_info: - dma_free_coherent(trans->dev, - sizeof(*prph_info), - prph_info, - trans_pcie->prph_info_dma_addr); - -err_free_prph_scratch: - dma_free_coherent(trans->dev, - sizeof(*prph_scratch), - prph_scratch, - trans_pcie->prph_scratch_dma_addr); - return ret; - -} - -void iwl_pcie_ctxt_info_gen3_free(struct iwl_trans *trans) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - - if (!trans_pcie->ctxt_info_gen3) - return; - - dma_free_coherent(trans->dev, sizeof(*trans_pcie->ctxt_info_gen3), - trans_pcie->ctxt_info_gen3, - trans_pcie->ctxt_info_dma_addr); - trans_pcie->ctxt_info_dma_addr = 0; - trans_pcie->ctxt_info_gen3 = NULL; - - iwl_pcie_ctxt_info_free_fw_img(trans); - - dma_free_coherent(trans->dev, sizeof(*trans_pcie->prph_scratch), - trans_pcie->prph_scratch, - trans_pcie->prph_scratch_dma_addr); - trans_pcie->prph_scratch_dma_addr = 0; - trans_pcie->prph_scratch = NULL; - - dma_free_coherent(trans->dev, sizeof(*trans_pcie->prph_info), - trans_pcie->prph_info, - trans_pcie->prph_info_dma_addr); - trans_pcie->prph_info_dma_addr = 0; - trans_pcie->prph_info = NULL; -} |