UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity
OpenCloudOS-Kernel/drivers/net/wireless/ath/ath10k/core.c

666 lines
15 KiB
C
Raw Blame History

/*
* Copyright (c) 2005-2011 Atheros Communications Inc.
* Copyright (c) 2011-2013 Qualcomm Atheros, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <linux/module.h>
#include <linux/firmware.h>
#include "core.h"
#include "mac.h"
#include "htc.h"
#include "hif.h"
#include "wmi.h"
#include "bmi.h"
#include "debug.h"
#include "htt.h"
unsigned int ath10k_debug_mask;
static bool uart_print;
static unsigned int ath10k_p2p;
module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
module_param(uart_print, bool, 0644);
module_param_named(p2p, ath10k_p2p, uint, 0644);
MODULE_PARM_DESC(debug_mask, "Debugging mask");
MODULE_PARM_DESC(uart_print, "Uart target debugging");
MODULE_PARM_DESC(p2p, "Enable ath10k P2P support");
static const struct ath10k_hw_params ath10k_hw_params_list[] = {
{
.id = QCA988X_HW_1_0_VERSION,
.name = "qca988x hw1.0",
.patch_load_addr = QCA988X_HW_1_0_PATCH_LOAD_ADDR,
.fw = {
.dir = QCA988X_HW_1_0_FW_DIR,
.fw = QCA988X_HW_1_0_FW_FILE,
.otp = QCA988X_HW_1_0_OTP_FILE,
.board = QCA988X_HW_1_0_BOARD_DATA_FILE,
},
},
{
.id = QCA988X_HW_2_0_VERSION,
.name = "qca988x hw2.0",
.patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
.fw = {
.dir = QCA988X_HW_2_0_FW_DIR,
.fw = QCA988X_HW_2_0_FW_FILE,
.otp = QCA988X_HW_2_0_OTP_FILE,
.board = QCA988X_HW_2_0_BOARD_DATA_FILE,
},
},
};
static void ath10k_send_suspend_complete(struct ath10k *ar)
{
ath10k_dbg(ATH10K_DBG_CORE, "%s\n", __func__);
ar->is_target_paused = true;
wake_up(&ar->event_queue);
}
static int ath10k_check_fw_version(struct ath10k *ar)
{
char version[32];
if (ar->fw_version_major >= SUPPORTED_FW_MAJOR &&
ar->fw_version_minor >= SUPPORTED_FW_MINOR &&
ar->fw_version_release >= SUPPORTED_FW_RELEASE &&
ar->fw_version_build >= SUPPORTED_FW_BUILD)
return 0;
snprintf(version, sizeof(version), "%u.%u.%u.%u",
SUPPORTED_FW_MAJOR, SUPPORTED_FW_MINOR,
SUPPORTED_FW_RELEASE, SUPPORTED_FW_BUILD);
ath10k_warn("WARNING: Firmware version %s is not officially supported.\n",
ar->hw->wiphy->fw_version);
ath10k_warn("Please upgrade to version %s (or newer)\n", version);
return 0;
}
static int ath10k_init_connect_htc(struct ath10k *ar)
{
int status;
status = ath10k_wmi_connect_htc_service(ar);
if (status)
goto conn_fail;
/* Start HTC */
status = ath10k_htc_start(ar->htc);
if (status)
goto conn_fail;
/* Wait for WMI event to be ready */
status = ath10k_wmi_wait_for_service_ready(ar);
if (status <= 0) {
ath10k_warn("wmi service ready event not received");
status = -ETIMEDOUT;
goto timeout;
}
ath10k_dbg(ATH10K_DBG_CORE, "core wmi ready\n");
return 0;
timeout:
ath10k_htc_stop(ar->htc);
conn_fail:
return status;
}
static int ath10k_init_configure_target(struct ath10k *ar)
{
u32 param_host;
int ret;
/* tell target which HTC version it is used*/
ret = ath10k_bmi_write32(ar, hi_app_host_interest,
HTC_PROTOCOL_VERSION);
if (ret) {
ath10k_err("settings HTC version failed\n");
return ret;
}
/* set the firmware mode to STA/IBSS/AP */
ret = ath10k_bmi_read32(ar, hi_option_flag, &param_host);
if (ret) {
ath10k_err("setting firmware mode (1/2) failed\n");
return ret;
}
/* TODO following parameters need to be re-visited. */
/* num_device */
param_host |= (1 << HI_OPTION_NUM_DEV_SHIFT);
/* Firmware mode */
/* FIXME: Why FW_MODE_AP ??.*/
param_host |= (HI_OPTION_FW_MODE_AP << HI_OPTION_FW_MODE_SHIFT);
/* mac_addr_method */
param_host |= (1 << HI_OPTION_MAC_ADDR_METHOD_SHIFT);
/* firmware_bridge */
param_host |= (0 << HI_OPTION_FW_BRIDGE_SHIFT);
/* fwsubmode */
param_host |= (0 << HI_OPTION_FW_SUBMODE_SHIFT);
ret = ath10k_bmi_write32(ar, hi_option_flag, param_host);
if (ret) {
ath10k_err("setting firmware mode (2/2) failed\n");
return ret;
}
/* We do all byte-swapping on the host */
ret = ath10k_bmi_write32(ar, hi_be, 0);
if (ret) {
ath10k_err("setting host CPU BE mode failed\n");
return ret;
}
/* FW descriptor/Data swap flags */
ret = ath10k_bmi_write32(ar, hi_fw_swap, 0);
if (ret) {
ath10k_err("setting FW data/desc swap flags failed\n");
return ret;
}
return 0;
}
static const struct firmware *ath10k_fetch_fw_file(struct ath10k *ar,
const char *dir,
const char *file)
{
char filename[100];
const struct firmware *fw;
int ret;
if (file == NULL)
return ERR_PTR(-ENOENT);
if (dir == NULL)
dir = ".";
snprintf(filename, sizeof(filename), "%s/%s", dir, file);
ret = request_firmware(&fw, filename, ar->dev);
if (ret)
return ERR_PTR(ret);
return fw;
}
static int ath10k_push_board_ext_data(struct ath10k *ar,
const struct firmware *fw)
{
u32 board_data_size = QCA988X_BOARD_DATA_SZ;
u32 board_ext_data_size = QCA988X_BOARD_EXT_DATA_SZ;
u32 board_ext_data_addr;
int ret;
ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
if (ret) {
ath10k_err("could not read board ext data addr (%d)\n", ret);
return ret;
}
ath10k_dbg(ATH10K_DBG_CORE,
"ath10k: Board extended Data download addr: 0x%x\n",
board_ext_data_addr);
if (board_ext_data_addr == 0)
return 0;
if (fw->size != (board_data_size + board_ext_data_size)) {
ath10k_err("invalid board (ext) data sizes %zu != %d+%d\n",
fw->size, board_data_size, board_ext_data_size);
return -EINVAL;
}
ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
fw->data + board_data_size,
board_ext_data_size);
if (ret) {
ath10k_err("could not write board ext data (%d)\n", ret);
return ret;
}
ret = ath10k_bmi_write32(ar, hi_board_ext_data_config,
(board_ext_data_size << 16) | 1);
if (ret) {
ath10k_err("could not write board ext data bit (%d)\n", ret);
return ret;
}
return 0;
}
static int ath10k_download_board_data(struct ath10k *ar)
{
u32 board_data_size = QCA988X_BOARD_DATA_SZ;
u32 address;
const struct firmware *fw;
int ret;
fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
ar->hw_params.fw.board);
if (IS_ERR(fw)) {
ath10k_err("could not fetch board data fw file (%ld)\n",
PTR_ERR(fw));
return PTR_ERR(fw);
}
ret = ath10k_push_board_ext_data(ar, fw);
if (ret) {
ath10k_err("could not push board ext data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_read32(ar, hi_board_data, &address);
if (ret) {
ath10k_err("could not read board data addr (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write_memory(ar, address, fw->data,
min_t(u32, board_data_size, fw->size));
if (ret) {
ath10k_err("could not write board data (%d)\n", ret);
goto exit;
}
ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
if (ret) {
ath10k_err("could not write board data bit (%d)\n", ret);
goto exit;
}
exit:
release_firmware(fw);
return ret;
}
static int ath10k_download_and_run_otp(struct ath10k *ar)
{
const struct firmware *fw;
u32 address;
u32 exec_param;
int ret;
/* OTP is optional */
if (ar->hw_params.fw.otp == NULL) {
ath10k_info("otp file not defined\n");
return 0;
}
address = ar->hw_params.patch_load_addr;
fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
ar->hw_params.fw.otp);
if (IS_ERR(fw)) {
ath10k_warn("could not fetch otp (%ld)\n", PTR_ERR(fw));
return 0;
}
ret = ath10k_bmi_fast_download(ar, address, fw->data, fw->size);
if (ret) {
ath10k_err("could not write otp (%d)\n", ret);
goto exit;
}
exec_param = 0;
ret = ath10k_bmi_execute(ar, address, &exec_param);
if (ret) {
ath10k_err("could not execute otp (%d)\n", ret);
goto exit;
}
exit:
release_firmware(fw);
return ret;
}
static int ath10k_download_fw(struct ath10k *ar)
{
const struct firmware *fw;
u32 address;
int ret;
if (ar->hw_params.fw.fw == NULL)
return -EINVAL;
address = ar->hw_params.patch_load_addr;
fw = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir,
ar->hw_params.fw.fw);
if (IS_ERR(fw)) {
ath10k_err("could not fetch fw (%ld)\n", PTR_ERR(fw));
return PTR_ERR(fw);
}
ret = ath10k_bmi_fast_download(ar, address, fw->data, fw->size);
if (ret) {
ath10k_err("could not write fw (%d)\n", ret);
goto exit;
}
exit:
release_firmware(fw);
return ret;
}
static int ath10k_init_download_firmware(struct ath10k *ar)
{
int ret;
ret = ath10k_download_board_data(ar);
if (ret)
return ret;
ret = ath10k_download_and_run_otp(ar);
if (ret)
return ret;
ret = ath10k_download_fw(ar);
if (ret)
return ret;
return ret;
}
static int ath10k_init_uart(struct ath10k *ar)
{
int ret;
/*
* Explicitly setting UART prints to zero as target turns it on
* based on scratch registers.
*/
ret = ath10k_bmi_write32(ar, hi_serial_enable, 0);
if (ret) {
ath10k_warn("could not disable UART prints (%d)\n", ret);
return ret;
}
if (!uart_print) {
ath10k_info("UART prints disabled\n");
return 0;
}
ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, 7);
if (ret) {
ath10k_warn("could not enable UART prints (%d)\n", ret);
return ret;
}
ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
if (ret) {
ath10k_warn("could not enable UART prints (%d)\n", ret);
return ret;
}
ath10k_info("UART prints enabled\n");
return 0;
}
static int ath10k_init_hw_params(struct ath10k *ar)
{
const struct ath10k_hw_params *uninitialized_var(hw_params);
int i;
for (i = 0; i < ARRAY_SIZE(ath10k_hw_params_list); i++) {
hw_params = &ath10k_hw_params_list[i];
if (hw_params->id == ar->target_version)
break;
}
if (i == ARRAY_SIZE(ath10k_hw_params_list)) {
ath10k_err("Unsupported hardware version: 0x%x\n",
ar->target_version);
return -EINVAL;
}
ar->hw_params = *hw_params;
ath10k_info("Hardware name %s version 0x%x\n",
ar->hw_params.name, ar->target_version);
return 0;
}
struct ath10k *ath10k_core_create(void *hif_priv, struct device *dev,
enum ath10k_bus bus,
const struct ath10k_hif_ops *hif_ops)
{
struct ath10k *ar;
ar = ath10k_mac_create();
if (!ar)
return NULL;
ar->ath_common.priv = ar;
ar->ath_common.hw = ar->hw;
ar->p2p = !!ath10k_p2p;
ar->dev = dev;
ar->hif.priv = hif_priv;
ar->hif.ops = hif_ops;
ar->hif.bus = bus;
ar->free_vdev_map = 0xFF; /* 8 vdevs */
init_completion(&ar->scan.started);
init_completion(&ar->scan.completed);
init_completion(&ar->scan.on_channel);
init_completion(&ar->install_key_done);
init_completion(&ar->vdev_setup_done);
setup_timer(&ar->scan.timeout, ath10k_reset_scan, (unsigned long)ar);
ar->workqueue = create_singlethread_workqueue("ath10k_wq");
if (!ar->workqueue)
goto err_wq;
mutex_init(&ar->conf_mutex);
spin_lock_init(&ar->data_lock);
INIT_LIST_HEAD(&ar->peers);
init_waitqueue_head(&ar->peer_mapping_wq);
init_completion(&ar->offchan_tx_completed);
INIT_WORK(&ar->offchan_tx_work, ath10k_offchan_tx_work);
skb_queue_head_init(&ar->offchan_tx_queue);
init_waitqueue_head(&ar->event_queue);
return ar;
err_wq:
ath10k_mac_destroy(ar);
return NULL;
}
EXPORT_SYMBOL(ath10k_core_create);
void ath10k_core_destroy(struct ath10k *ar)
{
flush_workqueue(ar->workqueue);
destroy_workqueue(ar->workqueue);
ath10k_mac_destroy(ar);
}
EXPORT_SYMBOL(ath10k_core_destroy);
int ath10k_core_register(struct ath10k *ar)
{
struct ath10k_htc_ops htc_ops;
struct bmi_target_info target_info;
int status;
memset(&target_info, 0, sizeof(target_info));
status = ath10k_bmi_get_target_info(ar, &target_info);
if (status)
goto err;
ar->target_version = target_info.version;
ar->hw->wiphy->hw_version = target_info.version;
status = ath10k_init_hw_params(ar);
if (status)
goto err;
if (ath10k_init_configure_target(ar)) {
status = -EINVAL;
goto err;
}
status = ath10k_init_download_firmware(ar);
if (status)
goto err;
status = ath10k_init_uart(ar);
if (status)
goto err;
htc_ops.target_send_suspend_complete = ath10k_send_suspend_complete;
ar->htc = ath10k_htc_create(ar, &htc_ops);
if (IS_ERR(ar->htc)) {
status = PTR_ERR(ar->htc);
ath10k_err("could not create HTC (%d)\n", status);
goto err;
}
status = ath10k_bmi_done(ar);
if (status)
goto err_htc_destroy;
status = ath10k_wmi_attach(ar);
if (status) {
ath10k_err("WMI attach failed: %d\n", status);
goto err_htc_destroy;
}
status = ath10k_htc_wait_target(ar->htc);
if (status)
goto err_wmi_detach;
ar->htt = ath10k_htt_attach(ar);
if (!ar->htt) {
status = -ENOMEM;
goto err_wmi_detach;
}
status = ath10k_init_connect_htc(ar);
if (status)
goto err_htt_detach;
ath10k_info("firmware %s booted\n", ar->hw->wiphy->fw_version);
status = ath10k_check_fw_version(ar);
if (status)
goto err_disconnect_htc;
status = ath10k_wmi_cmd_init(ar);
if (status) {
ath10k_err("could not send WMI init command (%d)\n", status);
goto err_disconnect_htc;
}
status = ath10k_wmi_wait_for_unified_ready(ar);
if (status <= 0) {
ath10k_err("wmi unified ready event not received\n");
status = -ETIMEDOUT;
goto err_disconnect_htc;
}
status = ath10k_htt_attach_target(ar->htt);
if (status)
goto err_disconnect_htc;
status = ath10k_mac_register(ar);
if (status)
goto err_disconnect_htc;
status = ath10k_debug_create(ar);
if (status) {
ath10k_err("unable to initialize debugfs\n");
goto err_unregister_mac;
}
return 0;
err_unregister_mac:
ath10k_mac_unregister(ar);
err_disconnect_htc:
ath10k_htc_stop(ar->htc);
err_htt_detach:
ath10k_htt_detach(ar->htt);
err_wmi_detach:
ath10k_wmi_detach(ar);
err_htc_destroy:
ath10k_htc_destroy(ar->htc);
err:
return status;
}
EXPORT_SYMBOL(ath10k_core_register);
void ath10k_core_unregister(struct ath10k *ar)
{
/* We must unregister from mac80211 before we stop HTC and HIF.
* Otherwise we will fail to submit commands to FW and mac80211 will be
* unhappy about callback failures. */
ath10k_mac_unregister(ar);
ath10k_htc_stop(ar->htc);
ath10k_htt_detach(ar->htt);
ath10k_wmi_detach(ar);
ath10k_htc_destroy(ar->htc);
}
EXPORT_SYMBOL(ath10k_core_unregister);
int ath10k_core_target_suspend(struct ath10k *ar)
{
int ret;
ath10k_dbg(ATH10K_DBG_CORE, "%s: called", __func__);
ret = ath10k_wmi_pdev_suspend_target(ar);
if (ret)
ath10k_warn("could not suspend target (%d)\n", ret);
return ret;
}
EXPORT_SYMBOL(ath10k_core_target_suspend);
int ath10k_core_target_resume(struct ath10k *ar)
{
int ret;
ath10k_dbg(ATH10K_DBG_CORE, "%s: called", __func__);
ret = ath10k_wmi_pdev_resume_target(ar);
if (ret)
ath10k_warn("could not resume target (%d)\n", ret);
return ret;
}
EXPORT_SYMBOL(ath10k_core_target_resume);
MODULE_AUTHOR("Qualcomm Atheros");
MODULE_DESCRIPTION("Core module for QCA988X PCIe devices.");
MODULE_LICENSE("Dual BSD/GPL");
Reference in New Issue View Git Blame Copy Permalink