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 | 350 |
1 files changed, 0 insertions, 350 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 cb60ba40fe97..000000000000 --- a/drivers/net/wireless/intel/iwlwifi/pcie/ctxt-info-gen3.c +++ /dev/null @@ -1,350 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause -/* - * Copyright (C) 2018-2022 Intel Corporation - */ -#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); - dbg_cfg->debug_token_config = cpu_to_le32(trans->dbg.ucode_preset); - IWL_DEBUG_FW(trans, - "WRT: Applying DRAM destination (debug_token_config=%u)\n", - dbg_cfg->debug_token_config); - 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; - 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_16K; - 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; - - if (trans->trans_cfg->imr_enabled) - control_flags |= IWL_PRPH_SCRATCH_IMR_DEBUG_EN; - - /* 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); - - /* initialize the Step equalizer data */ - prph_sc_ctrl->step_cfg.mbx_addr_0 = cpu_to_le32(trans->mbx_addr_0_step); - prph_sc_ctrl->step_cfg.mbx_addr_1 = cpu_to_le32(trans->mbx_addr_1_step); - - /* 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 - * - * We also use the second half of this page to give the device some - * dummy TR/CR tail pointers - which shouldn't be necessary as we don't - * use this, but the hardware still reads/writes there and we can't let - * it go do that with a NULL pointer. - */ - BUILD_BUG_ON(sizeof(*prph_info) > PAGE_SIZE / 2); - prph_info = dma_alloc_coherent(trans->dev, PAGE_SIZE, - &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->prph_info_dma_addr + PAGE_SIZE / 2); - ctxt_info_gen3->cr_tail_idx_arr_base_addr = - cpu_to_le64(trans_pcie->prph_info_dma_addr + 3 * PAGE_SIZE / 4); - 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 */ - trans_pcie->iml = dma_alloc_coherent(trans->dev, trans->iml_len, - &trans_pcie->iml_dma_addr, - GFP_KERNEL); - if (!trans_pcie->iml) { - ret = -ENOMEM; - goto err_free_ctxt_info; - } - - memcpy(trans_pcie->iml, 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); - - return 0; - -err_free_ctxt_info: - 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_gen3 = NULL; -err_free_prph_info: - dma_free_coherent(trans->dev, PAGE_SIZE, 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, bool alive) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - - if (trans_pcie->iml) { - dma_free_coherent(trans->dev, trans->iml_len, trans_pcie->iml, - trans_pcie->iml_dma_addr); - trans_pcie->iml_dma_addr = 0; - trans_pcie->iml = NULL; - } - - iwl_pcie_ctxt_info_free_fw_img(trans); - - if (alive) - return; - - if (!trans_pcie->ctxt_info_gen3) - return; - - /* ctxt_info_gen3 and prph_scratch are still needed for PNVM load */ - 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; - - 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; - - /* this is needed for the entire lifetime */ - dma_free_coherent(trans->dev, PAGE_SIZE, trans_pcie->prph_info, - trans_pcie->prph_info_dma_addr); - trans_pcie->prph_info_dma_addr = 0; - trans_pcie->prph_info = NULL; -} - -int iwl_trans_pcie_ctx_info_gen3_set_pnvm(struct iwl_trans *trans, - const void *data, u32 len) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_prph_scratch_ctrl_cfg *prph_sc_ctrl = - &trans_pcie->prph_scratch->ctrl_cfg; - int ret; - - if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) - return 0; - - /* only allocate the DRAM if not allocated yet */ - if (!trans->pnvm_loaded) { - if (WARN_ON(prph_sc_ctrl->pnvm_cfg.pnvm_size)) - return -EBUSY; - - ret = iwl_pcie_ctxt_info_alloc_dma(trans, data, len, - &trans_pcie->pnvm_dram); - if (ret < 0) { - IWL_DEBUG_FW(trans, "Failed to allocate PNVM DMA %d.\n", - ret); - return ret; - } - } - - prph_sc_ctrl->pnvm_cfg.pnvm_base_addr = - cpu_to_le64(trans_pcie->pnvm_dram.physical); - prph_sc_ctrl->pnvm_cfg.pnvm_size = - cpu_to_le32(trans_pcie->pnvm_dram.size); - - return 0; -} - -int iwl_trans_pcie_ctx_info_gen3_set_reduce_power(struct iwl_trans *trans, - const void *data, u32 len) -{ - struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - struct iwl_prph_scratch_ctrl_cfg *prph_sc_ctrl = - &trans_pcie->prph_scratch->ctrl_cfg; - int ret; - - if (trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210) - return 0; - - /* only allocate the DRAM if not allocated yet */ - if (!trans->reduce_power_loaded) { - if (WARN_ON(prph_sc_ctrl->reduce_power_cfg.size)) - return -EBUSY; - - ret = iwl_pcie_ctxt_info_alloc_dma(trans, data, len, - &trans_pcie->reduce_power_dram); - if (ret < 0) { - IWL_DEBUG_FW(trans, - "Failed to allocate reduce power DMA %d.\n", - ret); - return ret; - } - } - - prph_sc_ctrl->reduce_power_cfg.base_addr = - cpu_to_le64(trans_pcie->reduce_power_dram.physical); - prph_sc_ctrl->reduce_power_cfg.size = - cpu_to_le32(trans_pcie->reduce_power_dram.size); - - return 0; -} - |
