kvj
/
linux-zen-desktop
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
linux-zen-desktop/drivers/net/wireless/ath/ath10k/qmi.c

1129 lines
28 KiB
C
Raw Normal View History

Initial commit
2023-08-30 17:31:07 +02:00
// SPDX-License-Identifier: ISC
/*
* Copyright (c) 2018 The Linux Foundation. All rights reserved.
*/
#include <linux/completion.h>
#include <linux/device.h>
#include <linux/debugfs.h>
#include <linux/idr.h>
#include <linux/kernel.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/module.h>
#include <linux/net.h>
#include <linux/platform_device.h>
#include <linux/firmware/qcom/qcom_scm.h>
#include <linux/soc/qcom/smem.h>
#include <linux/string.h>
#include <net/sock.h>
#include "debug.h"
#include "snoc.h"
#define ATH10K_QMI_CLIENT_ID 0x4b4e454c
#define ATH10K_QMI_TIMEOUT 30
#define SMEM_IMAGE_VERSION_TABLE 469
#define SMEM_IMAGE_TABLE_CNSS_INDEX 13
#define SMEM_IMAGE_VERSION_ENTRY_SIZE 128
#define SMEM_IMAGE_VERSION_NAME_SIZE 75
static int ath10k_qmi_map_msa_permission(struct ath10k_qmi *qmi,
struct ath10k_msa_mem_info *mem_info)
{
struct qcom_scm_vmperm dst_perms[3];
struct ath10k *ar = qmi->ar;
u64 src_perms;
u32 perm_count;
int ret;
src_perms = BIT(QCOM_SCM_VMID_HLOS);
dst_perms[0].vmid = QCOM_SCM_VMID_MSS_MSA;
dst_perms[0].perm = QCOM_SCM_PERM_RW;
dst_perms[1].vmid = QCOM_SCM_VMID_WLAN;
dst_perms[1].perm = QCOM_SCM_PERM_RW;
if (mem_info->secure) {
perm_count = 2;
} else {
dst_perms[2].vmid = QCOM_SCM_VMID_WLAN_CE;
dst_perms[2].perm = QCOM_SCM_PERM_RW;
perm_count = 3;
}
ret = qcom_scm_assign_mem(mem_info->addr, mem_info->size,
&src_perms, dst_perms, perm_count);
if (ret < 0)
ath10k_err(ar, "failed to assign msa map permissions: %d\n", ret);
return ret;
}
static int ath10k_qmi_unmap_msa_permission(struct ath10k_qmi *qmi,
struct ath10k_msa_mem_info *mem_info)
{
struct qcom_scm_vmperm dst_perms;
struct ath10k *ar = qmi->ar;
u64 src_perms;
int ret;
src_perms = BIT(QCOM_SCM_VMID_MSS_MSA) | BIT(QCOM_SCM_VMID_WLAN);
if (!mem_info->secure)
src_perms |= BIT(QCOM_SCM_VMID_WLAN_CE);
dst_perms.vmid = QCOM_SCM_VMID_HLOS;
dst_perms.perm = QCOM_SCM_PERM_RW;
ret = qcom_scm_assign_mem(mem_info->addr, mem_info->size,
&src_perms, &dst_perms, 1);
if (ret < 0)
ath10k_err(ar, "failed to unmap msa permissions: %d\n", ret);
return ret;
}
static int ath10k_qmi_setup_msa_permissions(struct ath10k_qmi *qmi)
{
int ret;
int i;
if (qmi->msa_fixed_perm)
return 0;
for (i = 0; i < qmi->nr_mem_region; i++) {
ret = ath10k_qmi_map_msa_permission(qmi, &qmi->mem_region[i]);
if (ret)
goto err_unmap;
}
return 0;
err_unmap:
for (i--; i >= 0; i--)
ath10k_qmi_unmap_msa_permission(qmi, &qmi->mem_region[i]);
return ret;
}
static void ath10k_qmi_remove_msa_permission(struct ath10k_qmi *qmi)
{
int i;
if (qmi->msa_fixed_perm)
return;
for (i = 0; i < qmi->nr_mem_region; i++)
ath10k_qmi_unmap_msa_permission(qmi, &qmi->mem_region[i]);
}
static int ath10k_qmi_msa_mem_info_send_sync_msg(struct ath10k_qmi *qmi)
{
struct wlfw_msa_info_resp_msg_v01 resp = {};
struct wlfw_msa_info_req_msg_v01 req = {};
struct ath10k *ar = qmi->ar;
phys_addr_t max_mapped_addr;
struct qmi_txn txn;
int ret;
int i;
req.msa_addr = ar->msa.paddr;
req.size = ar->msa.mem_size;
ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
wlfw_msa_info_resp_msg_v01_ei, &resp);
if (ret < 0)
goto out;
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_MSA_INFO_REQ_V01,
WLFW_MSA_INFO_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_msa_info_req_msg_v01_ei, &req);
if (ret < 0) {
qmi_txn_cancel(&txn);
ath10k_err(ar, "failed to send msa mem info req: %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
ath10k_err(ar, "msa info req rejected: %d\n", resp.resp.error);
ret = -EINVAL;
goto out;
}
if (resp.mem_region_info_len > QMI_WLFW_MAX_MEM_REG_V01) {
ath10k_err(ar, "invalid memory region length received: %d\n",
resp.mem_region_info_len);
ret = -EINVAL;
goto out;
}
max_mapped_addr = ar->msa.paddr + ar->msa.mem_size;
qmi->nr_mem_region = resp.mem_region_info_len;
for (i = 0; i < resp.mem_region_info_len; i++) {
if (resp.mem_region_info[i].size > ar->msa.mem_size ||
resp.mem_region_info[i].region_addr > max_mapped_addr ||
resp.mem_region_info[i].region_addr < ar->msa.paddr ||
resp.mem_region_info[i].size +
resp.mem_region_info[i].region_addr > max_mapped_addr) {
ath10k_err(ar, "received out of range memory region address 0x%llx with size 0x%x, aborting\n",
resp.mem_region_info[i].region_addr,
resp.mem_region_info[i].size);
ret = -EINVAL;
goto fail_unwind;
}
qmi->mem_region[i].addr = resp.mem_region_info[i].region_addr;
qmi->mem_region[i].size = resp.mem_region_info[i].size;
qmi->mem_region[i].secure = resp.mem_region_info[i].secure_flag;
ath10k_dbg(ar, ATH10K_DBG_QMI,
"qmi msa mem region %d addr 0x%pa size 0x%x flag 0x%08x\n",
i, &qmi->mem_region[i].addr,
qmi->mem_region[i].size,
qmi->mem_region[i].secure);
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa mem info request completed\n");
return 0;
fail_unwind:
memset(&qmi->mem_region[0], 0, sizeof(qmi->mem_region[0]) * i);
out:
return ret;
}
static int ath10k_qmi_msa_ready_send_sync_msg(struct ath10k_qmi *qmi)
{
struct wlfw_msa_ready_resp_msg_v01 resp = {};
struct wlfw_msa_ready_req_msg_v01 req = {};
struct ath10k *ar = qmi->ar;
struct qmi_txn txn;
int ret;
ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
wlfw_msa_ready_resp_msg_v01_ei, &resp);
if (ret < 0)
goto out;
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_MSA_READY_REQ_V01,
WLFW_MSA_READY_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_msa_ready_req_msg_v01_ei, &req);
if (ret < 0) {
qmi_txn_cancel(&txn);
ath10k_err(ar, "failed to send msa mem ready request: %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
ath10k_err(ar, "msa ready request rejected: %d\n", resp.resp.error);
ret = -EINVAL;
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi msa mem ready request completed\n");
return 0;
out:
return ret;
}
static int ath10k_qmi_bdf_dnld_send_sync(struct ath10k_qmi *qmi)
{
struct wlfw_bdf_download_resp_msg_v01 resp = {};
struct wlfw_bdf_download_req_msg_v01 *req;
struct ath10k *ar = qmi->ar;
unsigned int remaining;
struct qmi_txn txn;
const u8 *temp;
int ret;
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
temp = ar->normal_mode_fw.board_data;
remaining = ar->normal_mode_fw.board_len;
while (remaining) {
req->valid = 1;
req->file_id_valid = 1;
req->file_id = 0;
req->total_size_valid = 1;
req->total_size = ar->normal_mode_fw.board_len;
req->seg_id_valid = 1;
req->data_valid = 1;
req->end_valid = 1;
if (remaining > QMI_WLFW_MAX_DATA_SIZE_V01) {
req->data_len = QMI_WLFW_MAX_DATA_SIZE_V01;
} else {
req->data_len = remaining;
req->end = 1;
}
memcpy(req->data, temp, req->data_len);
ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
wlfw_bdf_download_resp_msg_v01_ei,
&resp);
if (ret < 0)
goto out;
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_BDF_DOWNLOAD_REQ_V01,
WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_bdf_download_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
/* end = 1 triggers a CRC check on the BDF. If this fails, we
* get a QMI_ERR_MALFORMED_MSG_V01 error, but the FW is still
* willing to use the BDF. For some platforms, all the valid
* released BDFs fail this CRC check, so attempt to detect this
* scenario and treat it as non-fatal.
*/
if (resp.resp.result != QMI_RESULT_SUCCESS_V01 &&
!(req->end == 1 &&
resp.resp.result == QMI_ERR_MALFORMED_MSG_V01)) {
ath10k_err(ar, "failed to download board data file: %d\n",
resp.resp.error);
ret = -EINVAL;
goto out;
}
remaining -= req->data_len;
temp += req->data_len;
req->seg_id++;
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi bdf download request completed\n");
kfree(req);
return 0;
out:
kfree(req);
return ret;
}
static int ath10k_qmi_send_cal_report_req(struct ath10k_qmi *qmi)
{
struct wlfw_cal_report_resp_msg_v01 resp = {};
struct wlfw_cal_report_req_msg_v01 req = {};
struct ath10k *ar = qmi->ar;
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct qmi_txn txn;
int i, j = 0;
int ret;
if (ar_snoc->xo_cal_supported) {
req.xo_cal_data_valid = 1;
req.xo_cal_data = ar_snoc->xo_cal_data;
}
ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_cal_report_resp_msg_v01_ei,
&resp);
if (ret < 0)
goto out;
for (i = 0; i < QMI_WLFW_MAX_NUM_CAL_V01; i++) {
if (qmi->cal_data[i].total_size &&
qmi->cal_data[i].data) {
req.meta_data[j] = qmi->cal_data[i].cal_id;
j++;
}
}
req.meta_data_len = j;
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_CAL_REPORT_REQ_V01,
WLFW_CAL_REPORT_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_cal_report_req_msg_v01_ei, &req);
if (ret < 0) {
qmi_txn_cancel(&txn);
ath10k_err(ar, "failed to send calibration request: %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
ath10k_err(ar, "calibration request rejected: %d\n", resp.resp.error);
ret = -EINVAL;
goto out;
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi cal report request completed\n");
return 0;
out:
return ret;
}
static int
ath10k_qmi_mode_send_sync_msg(struct ath10k *ar, enum wlfw_driver_mode_enum_v01 mode)
{
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct ath10k_qmi *qmi = ar_snoc->qmi;
struct wlfw_wlan_mode_resp_msg_v01 resp = {};
struct wlfw_wlan_mode_req_msg_v01 req = {};
struct qmi_txn txn;
int ret;
ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
wlfw_wlan_mode_resp_msg_v01_ei,
&resp);
if (ret < 0)
goto out;
req.mode = mode;
req.hw_debug_valid = 1;
req.hw_debug = 0;
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_WLAN_MODE_REQ_V01,
WLFW_WLAN_MODE_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_wlan_mode_req_msg_v01_ei, &req);
if (ret < 0) {
qmi_txn_cancel(&txn);
ath10k_err(ar, "failed to send wlan mode %d request: %d\n", mode, ret);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
ath10k_err(ar, "more request rejected: %d\n", resp.resp.error);
ret = -EINVAL;
goto out;
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi wlan mode req completed: %d\n", mode);
return 0;
out:
return ret;
}
static int
ath10k_qmi_cfg_send_sync_msg(struct ath10k *ar,
struct ath10k_qmi_wlan_enable_cfg *config,
const char *version)
{
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct ath10k_qmi *qmi = ar_snoc->qmi;
struct wlfw_wlan_cfg_resp_msg_v01 resp = {};
struct wlfw_wlan_cfg_req_msg_v01 *req;
struct qmi_txn txn;
int ret;
u32 i;
req = kzalloc(sizeof(*req), GFP_KERNEL);
if (!req)
return -ENOMEM;
ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
wlfw_wlan_cfg_resp_msg_v01_ei,
&resp);
if (ret < 0)
goto out;
req->host_version_valid = 0;
req->tgt_cfg_valid = 1;
if (config->num_ce_tgt_cfg > QMI_WLFW_MAX_NUM_CE_V01)
req->tgt_cfg_len = QMI_WLFW_MAX_NUM_CE_V01;
else
req->tgt_cfg_len = config->num_ce_tgt_cfg;
for (i = 0; i < req->tgt_cfg_len; i++) {
req->tgt_cfg[i].pipe_num = config->ce_tgt_cfg[i].pipe_num;
req->tgt_cfg[i].pipe_dir = config->ce_tgt_cfg[i].pipe_dir;
req->tgt_cfg[i].nentries = config->ce_tgt_cfg[i].nentries;
req->tgt_cfg[i].nbytes_max = config->ce_tgt_cfg[i].nbytes_max;
req->tgt_cfg[i].flags = config->ce_tgt_cfg[i].flags;
}
req->svc_cfg_valid = 1;
if (config->num_ce_svc_pipe_cfg > QMI_WLFW_MAX_NUM_SVC_V01)
req->svc_cfg_len = QMI_WLFW_MAX_NUM_SVC_V01;
else
req->svc_cfg_len = config->num_ce_svc_pipe_cfg;
for (i = 0; i < req->svc_cfg_len; i++) {
req->svc_cfg[i].service_id = config->ce_svc_cfg[i].service_id;
req->svc_cfg[i].pipe_dir = config->ce_svc_cfg[i].pipe_dir;
req->svc_cfg[i].pipe_num = config->ce_svc_cfg[i].pipe_num;
}
req->shadow_reg_valid = 1;
if (config->num_shadow_reg_cfg >
QMI_WLFW_MAX_NUM_SHADOW_REG_V01)
req->shadow_reg_len = QMI_WLFW_MAX_NUM_SHADOW_REG_V01;
else
req->shadow_reg_len = config->num_shadow_reg_cfg;
memcpy(req->shadow_reg, config->shadow_reg_cfg,
sizeof(struct wlfw_shadow_reg_cfg_s_v01) * req->shadow_reg_len);
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_WLAN_CFG_REQ_V01,
WLFW_WLAN_CFG_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_wlan_cfg_req_msg_v01_ei, req);
if (ret < 0) {
qmi_txn_cancel(&txn);
ath10k_err(ar, "failed to send config request: %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
ath10k_err(ar, "config request rejected: %d\n", resp.resp.error);
ret = -EINVAL;
goto out;
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi config request completed\n");
kfree(req);
return 0;
out:
kfree(req);
return ret;
}
int ath10k_qmi_wlan_enable(struct ath10k *ar,
struct ath10k_qmi_wlan_enable_cfg *config,
enum wlfw_driver_mode_enum_v01 mode,
const char *version)
{
int ret;
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi mode %d config %p\n",
mode, config);
ret = ath10k_qmi_cfg_send_sync_msg(ar, config, version);
if (ret) {
ath10k_err(ar, "failed to send qmi config: %d\n", ret);
return ret;
}
ret = ath10k_qmi_mode_send_sync_msg(ar, mode);
if (ret) {
ath10k_err(ar, "failed to send qmi mode: %d\n", ret);
return ret;
}
return 0;
}
int ath10k_qmi_wlan_disable(struct ath10k *ar)
{
return ath10k_qmi_mode_send_sync_msg(ar, QMI_WLFW_OFF_V01);
}
static void ath10k_qmi_add_wlan_ver_smem(struct ath10k *ar, const char *fw_build_id)
{
u8 *table_ptr;
size_t smem_item_size;
const u32 smem_img_idx_wlan = SMEM_IMAGE_TABLE_CNSS_INDEX *
SMEM_IMAGE_VERSION_ENTRY_SIZE;
table_ptr = qcom_smem_get(QCOM_SMEM_HOST_ANY,
SMEM_IMAGE_VERSION_TABLE,
&smem_item_size);
if (IS_ERR(table_ptr)) {
ath10k_err(ar, "smem image version table not found\n");
return;
}
if (smem_img_idx_wlan + SMEM_IMAGE_VERSION_ENTRY_SIZE >
smem_item_size) {
ath10k_err(ar, "smem block size too small: %zu\n",
smem_item_size);
return;
}
strscpy(table_ptr + smem_img_idx_wlan, fw_build_id,
SMEM_IMAGE_VERSION_NAME_SIZE);
}
static int ath10k_qmi_cap_send_sync_msg(struct ath10k_qmi *qmi)
{
struct wlfw_cap_resp_msg_v01 *resp;
struct wlfw_cap_req_msg_v01 req = {};
struct ath10k *ar = qmi->ar;
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct qmi_txn txn;
int ret;
resp = kzalloc(sizeof(*resp), GFP_KERNEL);
if (!resp)
return -ENOMEM;
ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_cap_resp_msg_v01_ei, resp);
if (ret < 0)
goto out;
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_CAP_REQ_V01,
WLFW_CAP_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_cap_req_msg_v01_ei, &req);
if (ret < 0) {
qmi_txn_cancel(&txn);
ath10k_err(ar, "failed to send capability request: %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
if (resp->resp.result != QMI_RESULT_SUCCESS_V01) {
ath10k_err(ar, "capability req rejected: %d\n", resp->resp.error);
ret = -EINVAL;
goto out;
}
if (resp->chip_info_valid) {
qmi->chip_info.chip_id = resp->chip_info.chip_id;
qmi->chip_info.chip_family = resp->chip_info.chip_family;
} else {
qmi->chip_info.chip_id = 0xFF;
}
if (resp->board_info_valid)
qmi->board_info.board_id = resp->board_info.board_id;
else
qmi->board_info.board_id = 0xFF;
if (resp->soc_info_valid)
qmi->soc_info.soc_id = resp->soc_info.soc_id;
if (resp->fw_version_info_valid) {
qmi->fw_version = resp->fw_version_info.fw_version;
strscpy(qmi->fw_build_timestamp, resp->fw_version_info.fw_build_timestamp,
sizeof(qmi->fw_build_timestamp));
}
if (resp->fw_build_id_valid)
strscpy(qmi->fw_build_id, resp->fw_build_id,
MAX_BUILD_ID_LEN + 1);
if (!test_bit(ATH10K_SNOC_FLAG_REGISTERED, &ar_snoc->flags)) {
ath10k_info(ar, "qmi chip_id 0x%x chip_family 0x%x board_id 0x%x soc_id 0x%x",
qmi->chip_info.chip_id, qmi->chip_info.chip_family,
qmi->board_info.board_id, qmi->soc_info.soc_id);
ath10k_info(ar, "qmi fw_version 0x%x fw_build_timestamp %s fw_build_id %s",
qmi->fw_version, qmi->fw_build_timestamp, qmi->fw_build_id);
}
if (resp->fw_build_id_valid)
ath10k_qmi_add_wlan_ver_smem(ar, qmi->fw_build_id);
kfree(resp);
return 0;
out:
kfree(resp);
return ret;
}
static int ath10k_qmi_host_cap_send_sync(struct ath10k_qmi *qmi)
{
struct wlfw_host_cap_resp_msg_v01 resp = {};
struct wlfw_host_cap_req_msg_v01 req = {};
const struct qmi_elem_info *req_ei;
struct ath10k *ar = qmi->ar;
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct qmi_txn txn;
int ret;
req.daemon_support_valid = 1;
req.daemon_support = 0;
ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_host_cap_resp_msg_v01_ei,
&resp);
if (ret < 0)
goto out;
if (test_bit(ATH10K_SNOC_FLAG_8BIT_HOST_CAP_QUIRK, &ar_snoc->flags))
req_ei = wlfw_host_cap_8bit_req_msg_v01_ei;
else
req_ei = wlfw_host_cap_req_msg_v01_ei;
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_HOST_CAP_REQ_V01,
WLFW_HOST_CAP_REQ_MSG_V01_MAX_MSG_LEN,
req_ei, &req);
if (ret < 0) {
qmi_txn_cancel(&txn);
ath10k_err(ar, "failed to send host capability request: %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
/* older FW didn't support this request, which is not fatal */
if (resp.resp.result != QMI_RESULT_SUCCESS_V01 &&
resp.resp.error != QMI_ERR_NOT_SUPPORTED_V01) {
ath10k_err(ar, "host capability request rejected: %d\n", resp.resp.error);
ret = -EINVAL;
goto out;
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi host capability request completed\n");
return 0;
out:
return ret;
}
int ath10k_qmi_set_fw_log_mode(struct ath10k *ar, u8 fw_log_mode)
{
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct wlfw_ini_resp_msg_v01 resp = {};
struct ath10k_qmi *qmi = ar_snoc->qmi;
struct wlfw_ini_req_msg_v01 req = {};
struct qmi_txn txn;
int ret;
req.enablefwlog_valid = 1;
req.enablefwlog = fw_log_mode;
ret = qmi_txn_init(&qmi->qmi_hdl, &txn, wlfw_ini_resp_msg_v01_ei,
&resp);
if (ret < 0)
goto out;
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_INI_REQ_V01,
WLFW_INI_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_ini_req_msg_v01_ei, &req);
if (ret < 0) {
qmi_txn_cancel(&txn);
ath10k_err(ar, "failed to send fw log request: %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
ath10k_err(ar, "fw log request rejected: %d\n",
resp.resp.error);
ret = -EINVAL;
goto out;
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi fw log request completed, mode: %d\n",
fw_log_mode);
return 0;
out:
return ret;
}
static int
ath10k_qmi_ind_register_send_sync_msg(struct ath10k_qmi *qmi)
{
struct wlfw_ind_register_resp_msg_v01 resp = {};
struct wlfw_ind_register_req_msg_v01 req = {};
struct ath10k *ar = qmi->ar;
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct qmi_txn txn;
int ret;
req.client_id_valid = 1;
req.client_id = ATH10K_QMI_CLIENT_ID;
req.fw_ready_enable_valid = 1;
req.fw_ready_enable = 1;
req.msa_ready_enable_valid = 1;
req.msa_ready_enable = 1;
if (ar_snoc->xo_cal_supported) {
req.xo_cal_enable_valid = 1;
req.xo_cal_enable = 1;
}
ret = qmi_txn_init(&qmi->qmi_hdl, &txn,
wlfw_ind_register_resp_msg_v01_ei, &resp);
if (ret < 0)
goto out;
ret = qmi_send_request(&qmi->qmi_hdl, NULL, &txn,
QMI_WLFW_IND_REGISTER_REQ_V01,
WLFW_IND_REGISTER_REQ_MSG_V01_MAX_MSG_LEN,
wlfw_ind_register_req_msg_v01_ei, &req);
if (ret < 0) {
qmi_txn_cancel(&txn);
ath10k_err(ar, "failed to send indication registered request: %d\n", ret);
goto out;
}
ret = qmi_txn_wait(&txn, ATH10K_QMI_TIMEOUT * HZ);
if (ret < 0)
goto out;
if (resp.resp.result != QMI_RESULT_SUCCESS_V01) {
ath10k_err(ar, "indication request rejected: %d\n", resp.resp.error);
ret = -EINVAL;
goto out;
}
if (resp.fw_status_valid) {
if (resp.fw_status & QMI_WLFW_FW_READY_V01)
qmi->fw_ready = true;
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi indication register request completed\n");
return 0;
out:
return ret;
}
static void ath10k_qmi_event_server_arrive(struct ath10k_qmi *qmi)
{
struct ath10k *ar = qmi->ar;
int ret;
ret = ath10k_qmi_ind_register_send_sync_msg(qmi);
if (ret)
return;
if (qmi->fw_ready) {
ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_READY_IND);
return;
}
ret = ath10k_qmi_host_cap_send_sync(qmi);
if (ret)
return;
ret = ath10k_qmi_msa_mem_info_send_sync_msg(qmi);
if (ret)
return;
/*
* HACK: sleep for a while between receiving the msa info response
* and the XPU update to prevent SDM845 from crashing due to a security
* violation, when running MPSS.AT.4.0.c2-01184-SDM845_GEN_PACK-1.
*/
msleep(20);
ret = ath10k_qmi_setup_msa_permissions(qmi);
if (ret)
return;
ret = ath10k_qmi_msa_ready_send_sync_msg(qmi);
if (ret)
goto err_setup_msa;
ret = ath10k_qmi_cap_send_sync_msg(qmi);
if (ret)
goto err_setup_msa;
return;
err_setup_msa:
ath10k_qmi_remove_msa_permission(qmi);
}
static int ath10k_qmi_fetch_board_file(struct ath10k_qmi *qmi)
{
struct ath10k *ar = qmi->ar;
int ret;
ar->hif.bus = ATH10K_BUS_SNOC;
ar->id.qmi_ids_valid = true;
ar->id.qmi_board_id = qmi->board_info.board_id;
ar->id.qmi_chip_id = qmi->chip_info.chip_id;
ar->hw_params.fw.dir = WCN3990_HW_1_0_FW_DIR;
ret = ath10k_core_check_dt(ar);
if (ret)
ath10k_dbg(ar, ATH10K_DBG_QMI, "DT bdf variant name not set.\n");
return ath10k_core_fetch_board_file(qmi->ar, ATH10K_BD_IE_BOARD);
}
static int
ath10k_qmi_driver_event_post(struct ath10k_qmi *qmi,
enum ath10k_qmi_driver_event_type type,
void *data)
{
struct ath10k_qmi_driver_event *event;
event = kzalloc(sizeof(*event), GFP_ATOMIC);
if (!event)
return -ENOMEM;
event->type = type;
event->data = data;
spin_lock(&qmi->event_lock);
list_add_tail(&event->list, &qmi->event_list);
spin_unlock(&qmi->event_lock);
queue_work(qmi->event_wq, &qmi->event_work);
return 0;
}
static void ath10k_qmi_event_server_exit(struct ath10k_qmi *qmi)
{
struct ath10k *ar = qmi->ar;
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
ath10k_qmi_remove_msa_permission(qmi);
ath10k_core_free_board_files(ar);
if (!test_bit(ATH10K_SNOC_FLAG_UNREGISTERING, &ar_snoc->flags) &&
!test_bit(ATH10K_SNOC_FLAG_MODEM_STOPPED, &ar_snoc->flags))
ath10k_snoc_fw_crashed_dump(ar);
ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_DOWN_IND);
ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service disconnected\n");
}
static void ath10k_qmi_event_msa_ready(struct ath10k_qmi *qmi)
{
int ret;
ret = ath10k_qmi_fetch_board_file(qmi);
if (ret)
goto out;
ret = ath10k_qmi_bdf_dnld_send_sync(qmi);
if (ret)
goto out;
ret = ath10k_qmi_send_cal_report_req(qmi);
out:
return;
}
static int ath10k_qmi_event_fw_ready_ind(struct ath10k_qmi *qmi)
{
struct ath10k *ar = qmi->ar;
ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw ready event received\n");
ath10k_snoc_fw_indication(ar, ATH10K_QMI_EVENT_FW_READY_IND);
return 0;
}
static void ath10k_qmi_fw_ready_ind(struct qmi_handle *qmi_hdl,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn, const void *data)
{
struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_FW_READY_IND, NULL);
}
static void ath10k_qmi_msa_ready_ind(struct qmi_handle *qmi_hdl,
struct sockaddr_qrtr *sq,
struct qmi_txn *txn, const void *data)
{
struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_MSA_READY_IND, NULL);
}
static const struct qmi_msg_handler qmi_msg_handler[] = {
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_FW_READY_IND_V01,
.ei = wlfw_fw_ready_ind_msg_v01_ei,
.decoded_size = sizeof(struct wlfw_fw_ready_ind_msg_v01),
.fn = ath10k_qmi_fw_ready_ind,
},
{
.type = QMI_INDICATION,
.msg_id = QMI_WLFW_MSA_READY_IND_V01,
.ei = wlfw_msa_ready_ind_msg_v01_ei,
.decoded_size = sizeof(struct wlfw_msa_ready_ind_msg_v01),
.fn = ath10k_qmi_msa_ready_ind,
},
{}
};
static int ath10k_qmi_new_server(struct qmi_handle *qmi_hdl,
struct qmi_service *service)
{
struct ath10k_qmi *qmi = container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
struct sockaddr_qrtr *sq = &qmi->sq;
struct ath10k *ar = qmi->ar;
int ret;
sq->sq_family = AF_QIPCRTR;
sq->sq_node = service->node;
sq->sq_port = service->port;
ath10k_dbg(ar, ATH10K_DBG_QMI, "wifi fw qmi service found\n");
ret = kernel_connect(qmi_hdl->sock, (struct sockaddr *)&qmi->sq,
sizeof(qmi->sq), 0);
if (ret) {
ath10k_err(ar, "failed to connect to a remote QMI service port\n");
return ret;
}
ath10k_dbg(ar, ATH10K_DBG_QMI, "qmi wifi fw qmi service connected\n");
ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_ARRIVE, NULL);
return ret;
}
static void ath10k_qmi_del_server(struct qmi_handle *qmi_hdl,
struct qmi_service *service)
{
struct ath10k_qmi *qmi =
container_of(qmi_hdl, struct ath10k_qmi, qmi_hdl);
qmi->fw_ready = false;
/*
* The del_server event is to be processed only if coming from
* the qmi server. The qmi infrastructure sends del_server, when
* any client releases the qmi handle. In this case do not process
* this del_server event.
*/
if (qmi->state == ATH10K_QMI_STATE_INIT_DONE)
ath10k_qmi_driver_event_post(qmi, ATH10K_QMI_EVENT_SERVER_EXIT,
NULL);
}
static const struct qmi_ops ath10k_qmi_ops = {
.new_server = ath10k_qmi_new_server,
.del_server = ath10k_qmi_del_server,
};
static void ath10k_qmi_driver_event_work(struct work_struct *work)
{
struct ath10k_qmi *qmi = container_of(work, struct ath10k_qmi,
event_work);
struct ath10k_qmi_driver_event *event;
struct ath10k *ar = qmi->ar;
spin_lock(&qmi->event_lock);
while (!list_empty(&qmi->event_list)) {
event = list_first_entry(&qmi->event_list,
struct ath10k_qmi_driver_event, list);
list_del(&event->list);
spin_unlock(&qmi->event_lock);
switch (event->type) {
case ATH10K_QMI_EVENT_SERVER_ARRIVE:
ath10k_qmi_event_server_arrive(qmi);
break;
case ATH10K_QMI_EVENT_SERVER_EXIT:
ath10k_qmi_event_server_exit(qmi);
break;
case ATH10K_QMI_EVENT_FW_READY_IND:
ath10k_qmi_event_fw_ready_ind(qmi);
break;
case ATH10K_QMI_EVENT_MSA_READY_IND:
ath10k_qmi_event_msa_ready(qmi);
break;
default:
ath10k_warn(ar, "invalid event type: %d", event->type);
break;
}
kfree(event);
spin_lock(&qmi->event_lock);
}
spin_unlock(&qmi->event_lock);
}
int ath10k_qmi_init(struct ath10k *ar, u32 msa_size)
{
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct device *dev = ar->dev;
struct ath10k_qmi *qmi;
int ret;
qmi = kzalloc(sizeof(*qmi), GFP_KERNEL);
if (!qmi)
return -ENOMEM;
qmi->ar = ar;
ar_snoc->qmi = qmi;
if (of_property_read_bool(dev->of_node, "qcom,msa-fixed-perm"))
qmi->msa_fixed_perm = true;
ret = qmi_handle_init(&qmi->qmi_hdl,
WLFW_BDF_DOWNLOAD_REQ_MSG_V01_MAX_MSG_LEN,
&ath10k_qmi_ops, qmi_msg_handler);
if (ret)
goto err;
6.5.5
2023-10-24 12:59:35 +02:00
qmi->event_wq = alloc_ordered_workqueue("ath10k_qmi_driver_event", 0);
Initial commit
2023-08-30 17:31:07 +02:00
if (!qmi->event_wq) {
ath10k_err(ar, "failed to allocate workqueue\n");
ret = -EFAULT;
goto err_release_qmi_handle;
}
INIT_LIST_HEAD(&qmi->event_list);
spin_lock_init(&qmi->event_lock);
INIT_WORK(&qmi->event_work, ath10k_qmi_driver_event_work);
ret = qmi_add_lookup(&qmi->qmi_hdl, WLFW_SERVICE_ID_V01,
WLFW_SERVICE_VERS_V01, 0);
if (ret)
goto err_qmi_lookup;
qmi->state = ATH10K_QMI_STATE_INIT_DONE;
return 0;
err_qmi_lookup:
destroy_workqueue(qmi->event_wq);
err_release_qmi_handle:
qmi_handle_release(&qmi->qmi_hdl);
err:
kfree(qmi);
return ret;
}
int ath10k_qmi_deinit(struct ath10k *ar)
{
struct ath10k_snoc *ar_snoc = ath10k_snoc_priv(ar);
struct ath10k_qmi *qmi = ar_snoc->qmi;
qmi->state = ATH10K_QMI_STATE_DEINIT;
qmi_handle_release(&qmi->qmi_hdl);
cancel_work_sync(&qmi->event_work);
destroy_workqueue(qmi->event_wq);
kfree(qmi);
ar_snoc->qmi = NULL;
return 0;
}