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/******************************************************************************
*
* 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 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 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"
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;
/* 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_RB_SIZE_4K |
IWL_PRPH_SCRATCH_MTR_MODE |
(IWL_PRPH_MTR_FORMAT_256B &
IWL_PRPH_SCRATCH_MTR_FORMAT) |
IWL_PRPH_SCRATCH_EARLY_DEBUG_EN |
IWL_PRPH_SCRATCH_EDBG_DEST_DRAM;
prph_sc_ctrl->control.control_flags = cpu_to_le32(control_flags);
/* initialize RX default queue */
prph_sc_ctrl->rbd_cfg.free_rbd_addr =
cpu_to_le64(trans_pcie->rxq->bd_dma);
/* Configure debug, for integration */
iwl_pcie_alloc_fw_monitor(trans, 0);
prph_sc_ctrl->hwm_cfg.hwm_base_addr =
cpu_to_le64(trans_pcie->fw_mon_phys);
prph_sc_ctrl->hwm_cfg.hwm_size =
cpu_to_le32(trans_pcie->fw_mon_size);
/* allocate ucode sections in dram and set addresses */
ret = iwl_pcie_init_fw_sec(trans, fw, &prph_scratch->dram);
if (ret) {
dma_free_coherent(trans->dev,
sizeof(*prph_scratch),
prph_scratch,
trans_pcie->prph_scratch_dma_addr);
return ret;
}
/* 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)
return -ENOMEM;
/* 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)
return -ENOMEM;
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_pcie->txq[trans_pcie->cmd_queue]->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(TFD_CMD_SLOTS));
ctxt_info_gen3->mcr_size =
cpu_to_le16(RX_QUEUE_CB_SIZE(MQ_RX_TABLE_SIZE));
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_interrupts(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);
iwl_set_bit(trans, CSR_GP_CNTRL, CSR_AUTO_FUNC_INIT);
return 0;
}
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;
}
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