--- /dev/null
+/*
+ * 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 <linux/of.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"
+#include "testmode.h"
+#include "wmi-ops.h"
+
+unsigned int ath10k_debug_mask;
+static bool uart_print;
+static bool skip_otp;
+
+module_param_named(debug_mask, ath10k_debug_mask, uint, 0644);
+module_param(uart_print, bool, 0644);
+module_param(skip_otp, bool, 0644);
+
+MODULE_PARM_DESC(debug_mask, "Debugging mask");
+MODULE_PARM_DESC(uart_print, "Uart target debugging");
+MODULE_PARM_DESC(skip_otp, "Skip otp failure for calibration in testmode");
+
+static const struct ath10k_hw_params ath10k_hw_params_list[] = {
+ {
+ .id = QCA988X_HW_2_0_VERSION,
+ .name = "qca988x hw2.0",
+ .patch_load_addr = QCA988X_HW_2_0_PATCH_LOAD_ADDR,
+ .uart_pin = 7,
+ .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,
+ .board_size = QCA988X_BOARD_DATA_SZ,
+ .board_ext_size = QCA988X_BOARD_EXT_DATA_SZ,
+ },
+ },
+ {
+ .id = QCA6174_HW_2_1_VERSION,
+ .name = "qca6174 hw2.1",
+ .patch_load_addr = QCA6174_HW_2_1_PATCH_LOAD_ADDR,
+ .uart_pin = 6,
+ .fw = {
+ .dir = QCA6174_HW_2_1_FW_DIR,
+ .fw = QCA6174_HW_2_1_FW_FILE,
+ .otp = QCA6174_HW_2_1_OTP_FILE,
+ .board = QCA6174_HW_2_1_BOARD_DATA_FILE,
+ .board_size = QCA6174_BOARD_DATA_SZ,
+ .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
+ },
+ },
+ {
+ .id = QCA6174_HW_3_0_VERSION,
+ .name = "qca6174 hw3.0",
+ .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
+ .uart_pin = 6,
+ .fw = {
+ .dir = QCA6174_HW_3_0_FW_DIR,
+ .fw = QCA6174_HW_3_0_FW_FILE,
+ .otp = QCA6174_HW_3_0_OTP_FILE,
+ .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
+ .board_size = QCA6174_BOARD_DATA_SZ,
+ .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
+ },
+ },
+ {
+ .id = QCA6174_HW_3_2_VERSION,
+ .name = "qca6174 hw3.2",
+ .patch_load_addr = QCA6174_HW_3_0_PATCH_LOAD_ADDR,
+ .uart_pin = 6,
+ .fw = {
+ /* uses same binaries as hw3.0 */
+ .dir = QCA6174_HW_3_0_FW_DIR,
+ .fw = QCA6174_HW_3_0_FW_FILE,
+ .otp = QCA6174_HW_3_0_OTP_FILE,
+ .board = QCA6174_HW_3_0_BOARD_DATA_FILE,
+ .board_size = QCA6174_BOARD_DATA_SZ,
+ .board_ext_size = QCA6174_BOARD_EXT_DATA_SZ,
+ },
+ },
+};
+
+static void ath10k_send_suspend_complete(struct ath10k *ar)
+{
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot suspend complete\n");
+
+ complete(&ar->target_suspend);
+}
+
+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(ar, "settings HTC version failed\n");
+ return ret;
+ }
+
+ /* set the firmware mode to STA/IBSS/AP */
+ ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m_host);
+ if (ret) {
+ ath10k_err(ar, "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(ar, "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(ar, "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(ar, "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 void *data,
+ size_t data_len)
+{
+ u32 board_data_size = ar->hw_params.fw.board_size;
+ u32 board_ext_data_size = ar->hw_params.fw.board_ext_size;
+ u32 board_ext_data_addr;
+ int ret;
+
+ ret = ath10k_bmi_read32(ar, hi_board_ext_data, &board_ext_data_addr);
+ if (ret) {
+ ath10k_err(ar, "could not read board ext data addr (%d)\n",
+ ret);
+ return ret;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "boot push board extended data addr 0x%x\n",
+ board_ext_data_addr);
+
+ if (board_ext_data_addr == 0)
+ return 0;
+
+ if (data_len != (board_data_size + board_ext_data_size)) {
+ ath10k_err(ar, "invalid board (ext) data sizes %zu != %d+%d\n",
+ data_len, board_data_size, board_ext_data_size);
+ return -EINVAL;
+ }
+
+ ret = ath10k_bmi_write_memory(ar, board_ext_data_addr,
+ data + board_data_size,
+ board_ext_data_size);
+ if (ret) {
+ ath10k_err(ar, "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(ar, "could not write board ext data bit (%d)\n",
+ ret);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ath10k_download_board_data(struct ath10k *ar, const void *data,
+ size_t data_len)
+{
+ u32 board_data_size = ar->hw_params.fw.board_size;
+ u32 address;
+ int ret;
+
+ ret = ath10k_push_board_ext_data(ar, data, data_len);
+ if (ret) {
+ ath10k_err(ar, "could not push board ext data (%d)\n", ret);
+ goto exit;
+ }
+
+ ret = ath10k_bmi_read32(ar, hi_board_data, &address);
+ if (ret) {
+ ath10k_err(ar, "could not read board data addr (%d)\n", ret);
+ goto exit;
+ }
+
+ ret = ath10k_bmi_write_memory(ar, address, data,
+ min_t(u32, board_data_size,
+ data_len));
+ if (ret) {
+ ath10k_err(ar, "could not write board data (%d)\n", ret);
+ goto exit;
+ }
+
+ ret = ath10k_bmi_write32(ar, hi_board_data_initialized, 1);
+ if (ret) {
+ ath10k_err(ar, "could not write board data bit (%d)\n", ret);
+ goto exit;
+ }
+
+exit:
+ return ret;
+}
+
+static int ath10k_download_cal_file(struct ath10k *ar)
+{
+ int ret;
+
+ if (!ar->cal_file)
+ return -ENOENT;
+
+ if (IS_ERR(ar->cal_file))
+ return PTR_ERR(ar->cal_file);
+
+ ret = ath10k_download_board_data(ar, ar->cal_file->data,
+ ar->cal_file->size);
+ if (ret) {
+ ath10k_err(ar, "failed to download cal_file data: %d\n", ret);
+ return ret;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot cal file downloaded\n");
+
+ return 0;
+}
+
+static int ath10k_download_cal_dt(struct ath10k *ar)
+{
+ struct device_node *node;
+ int data_len;
+ void *data;
+ int ret;
+
+ node = ar->dev->of_node;
+ if (!node)
+ /* Device Tree is optional, don't print any warnings if
+ * there's no node for ath10k.
+ */
+ return -ENOENT;
+
+ if (!of_get_property(node, "qcom,ath10k-calibration-data",
+ &data_len)) {
+ /* The calibration data node is optional */
+ return -ENOENT;
+ }
+
+ if (data_len != QCA988X_CAL_DATA_LEN) {
+ ath10k_warn(ar, "invalid calibration data length in DT: %d\n",
+ data_len);
+ ret = -EMSGSIZE;
+ goto out;
+ }
+
+ data = kmalloc(data_len, GFP_KERNEL);
+ if (!data) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ ret = of_property_read_u8_array(node, "qcom,ath10k-calibration-data",
+ data, data_len);
+ if (ret) {
+ ath10k_warn(ar, "failed to read calibration data from DT: %d\n",
+ ret);
+ goto out_free;
+ }
+
+ ret = ath10k_download_board_data(ar, data, data_len);
+ if (ret) {
+ ath10k_warn(ar, "failed to download calibration data from Device Tree: %d\n",
+ ret);
+ goto out_free;
+ }
+
+ ret = 0;
+
+out_free:
+ kfree(data);
+
+out:
+ return ret;
+}
+
+static int ath10k_download_and_run_otp(struct ath10k *ar)
+{
+ u32 result, address = ar->hw_params.patch_load_addr;
+ int ret;
+
+ ret = ath10k_download_board_data(ar, ar->board_data, ar->board_len);
+ if (ret) {
+ ath10k_err(ar, "failed to download board data: %d\n", ret);
+ return ret;
+ }
+
+ /* OTP is optional */
+
+ if (!ar->otp_data || !ar->otp_len) {
+ ath10k_warn(ar, "Not running otp, calibration will be incorrect (otp-data %p otp_len %zd)!\n",
+ ar->otp_data, ar->otp_len);
+ return 0;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot upload otp to 0x%x len %zd\n",
+ address, ar->otp_len);
+
+ ret = ath10k_bmi_fast_download(ar, address, ar->otp_data, ar->otp_len);
+ if (ret) {
+ ath10k_err(ar, "could not write otp (%d)\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_bmi_execute(ar, address, 0, &result);
+ if (ret) {
+ ath10k_err(ar, "could not execute otp (%d)\n", ret);
+ return ret;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot otp execute result %d\n", result);
+
+ if (!skip_otp && result != 0) {
+ ath10k_err(ar, "otp calibration failed: %d", result);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int ath10k_download_fw(struct ath10k *ar, enum ath10k_firmware_mode mode)
+{
+ u32 address, data_len;
+ const char *mode_name;
+ const void *data;
+ int ret;
+
+ address = ar->hw_params.patch_load_addr;
+
+ switch (mode) {
+ case ATH10K_FIRMWARE_MODE_NORMAL:
+ data = ar->firmware_data;
+ data_len = ar->firmware_len;
+ mode_name = "normal";
+ break;
+ case ATH10K_FIRMWARE_MODE_UTF:
+ data = ar->testmode.utf->data;
+ data_len = ar->testmode.utf->size;
+ mode_name = "utf";
+ break;
+ default:
+ ath10k_err(ar, "unknown firmware mode: %d\n", mode);
+ return -EINVAL;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "boot uploading firmware image %p len %d mode %s\n",
+ data, data_len, mode_name);
+
+ ret = ath10k_bmi_fast_download(ar, address, data, data_len);
+ if (ret) {
+ ath10k_err(ar, "failed to download %s firmware: %d\n",
+ mode_name, ret);
+ return ret;
+ }
+
+ return ret;
+}
+
+static void ath10k_core_free_firmware_files(struct ath10k *ar)
+{
+ if (!IS_ERR(ar->board))
+ release_firmware(ar->board);
+
+ if (!IS_ERR(ar->otp))
+ release_firmware(ar->otp);
+
+ if (!IS_ERR(ar->firmware))
+ release_firmware(ar->firmware);
+
+ if (!IS_ERR(ar->cal_file))
+ release_firmware(ar->cal_file);
+
+ ar->board = NULL;
+ ar->board_data = NULL;
+ ar->board_len = 0;
+
+ ar->otp = NULL;
+ ar->otp_data = NULL;
+ ar->otp_len = 0;
+
+ ar->firmware = NULL;
+ ar->firmware_data = NULL;
+ ar->firmware_len = 0;
+
+ ar->cal_file = NULL;
+}
+
+static int ath10k_fetch_cal_file(struct ath10k *ar)
+{
+ char filename[100];
+
+ /* cal-<bus>-<id>.bin */
+ scnprintf(filename, sizeof(filename), "cal-%s-%s.bin",
+ ath10k_bus_str(ar->hif.bus), dev_name(ar->dev));
+
+ ar->cal_file = ath10k_fetch_fw_file(ar, ATH10K_FW_DIR, filename);
+ if (IS_ERR(ar->cal_file))
+ /* calibration file is optional, don't print any warnings */
+ return PTR_ERR(ar->cal_file);
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "found calibration file %s/%s\n",
+ ATH10K_FW_DIR, filename);
+
+ return 0;
+}
+
+static int ath10k_core_fetch_firmware_api_1(struct ath10k *ar)
+{
+ int ret = 0;
+
+ if (ar->hw_params.fw.fw == NULL) {
+ ath10k_err(ar, "firmware file not defined\n");
+ return -EINVAL;
+ }
+
+ if (ar->hw_params.fw.board == NULL) {
+ ath10k_err(ar, "board data file not defined");
+ return -EINVAL;
+ }
+
+ ar->board = ath10k_fetch_fw_file(ar,
+ ar->hw_params.fw.dir,
+ ar->hw_params.fw.board);
+ if (IS_ERR(ar->board)) {
+ ret = PTR_ERR(ar->board);
+ ath10k_err(ar, "could not fetch board data (%d)\n", ret);
+ goto err;
+ }
+
+ ar->board_data = ar->board->data;
+ ar->board_len = ar->board->size;
+
+ ar->firmware = ath10k_fetch_fw_file(ar,
+ ar->hw_params.fw.dir,
+ ar->hw_params.fw.fw);
+ if (IS_ERR(ar->firmware)) {
+ ret = PTR_ERR(ar->firmware);
+ ath10k_err(ar, "could not fetch firmware (%d)\n", ret);
+ goto err;
+ }
+
+ ar->firmware_data = ar->firmware->data;
+ ar->firmware_len = ar->firmware->size;
+
+ /* OTP may be undefined. If so, don't fetch it at all */
+ if (ar->hw_params.fw.otp == NULL)
+ return 0;
+
+ ar->otp = ath10k_fetch_fw_file(ar,
+ ar->hw_params.fw.dir,
+ ar->hw_params.fw.otp);
+ if (IS_ERR(ar->otp)) {
+ ret = PTR_ERR(ar->otp);
+ ath10k_err(ar, "could not fetch otp (%d)\n", ret);
+ goto err;
+ }
+
+ ar->otp_data = ar->otp->data;
+ ar->otp_len = ar->otp->size;
+
+ return 0;
+
+err:
+ ath10k_core_free_firmware_files(ar);
+ return ret;
+}
+
+static int ath10k_core_fetch_firmware_api_n(struct ath10k *ar, const char *name)
+{
+ size_t magic_len, len, ie_len;
+ int ie_id, i, index, bit, ret;
+ struct ath10k_fw_ie *hdr;
+ const u8 *data;
+ __le32 *timestamp, *version;
+
+ /* first fetch the firmware file (firmware-*.bin) */
+ ar->firmware = ath10k_fetch_fw_file(ar, ar->hw_params.fw.dir, name);
+ if (IS_ERR(ar->firmware)) {
+ ath10k_err(ar, "could not fetch firmware file '%s/%s': %ld\n",
+ ar->hw_params.fw.dir, name, PTR_ERR(ar->firmware));
+ return PTR_ERR(ar->firmware);
+ }
+
+ data = ar->firmware->data;
+ len = ar->firmware->size;
+
+ /* magic also includes the null byte, check that as well */
+ magic_len = strlen(ATH10K_FIRMWARE_MAGIC) + 1;
+
+ if (len < magic_len) {
+ ath10k_err(ar, "firmware file '%s/%s' too small to contain magic: %zu\n",
+ ar->hw_params.fw.dir, name, len);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ if (memcmp(data, ATH10K_FIRMWARE_MAGIC, magic_len) != 0) {
+ ath10k_err(ar, "invalid firmware magic\n");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* jump over the padding */
+ magic_len = ALIGN(magic_len, 4);
+
+ len -= magic_len;
+ data += magic_len;
+
+ /* loop elements */
+ while (len > sizeof(struct ath10k_fw_ie)) {
+ hdr = (struct ath10k_fw_ie *)data;
+
+ ie_id = le32_to_cpu(hdr->id);
+ ie_len = le32_to_cpu(hdr->len);
+
+ len -= sizeof(*hdr);
+ data += sizeof(*hdr);
+
+ if (len < ie_len) {
+ ath10k_err(ar, "invalid length for FW IE %d (%zu < %zu)\n",
+ ie_id, len, ie_len);
+ ret = -EINVAL;
+ goto err;
+ }
+
+ switch (ie_id) {
+ case ATH10K_FW_IE_FW_VERSION:
+ if (ie_len > sizeof(ar->hw->wiphy->fw_version) - 1)
+ break;
+
+ memcpy(ar->hw->wiphy->fw_version, data, ie_len);
+ ar->hw->wiphy->fw_version[ie_len] = '\0';
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "found fw version %s\n",
+ ar->hw->wiphy->fw_version);
+ break;
+ case ATH10K_FW_IE_TIMESTAMP:
+ if (ie_len != sizeof(u32))
+ break;
+
+ timestamp = (__le32 *)data;
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw timestamp %d\n",
+ le32_to_cpup(timestamp));
+ break;
+ case ATH10K_FW_IE_FEATURES:
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "found firmware features ie (%zd B)\n",
+ ie_len);
+
+ for (i = 0; i < ATH10K_FW_FEATURE_COUNT; i++) {
+ index = i / 8;
+ bit = i % 8;
+
+ if (index == ie_len)
+ break;
+
+ if (data[index] & (1 << bit)) {
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "Enabling feature bit: %i\n",
+ i);
+ __set_bit(i, ar->fw_features);
+ }
+ }
+
+ ath10k_dbg_dump(ar, ATH10K_DBG_BOOT, "features", "",
+ ar->fw_features,
+ sizeof(ar->fw_features));
+ break;
+ case ATH10K_FW_IE_FW_IMAGE:
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "found fw image ie (%zd B)\n",
+ ie_len);
+
+ ar->firmware_data = data;
+ ar->firmware_len = ie_len;
+
+ break;
+ case ATH10K_FW_IE_OTP_IMAGE:
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "found otp image ie (%zd B)\n",
+ ie_len);
+
+ ar->otp_data = data;
+ ar->otp_len = ie_len;
+
+ break;
+ case ATH10K_FW_IE_WMI_OP_VERSION:
+ if (ie_len != sizeof(u32))
+ break;
+
+ version = (__le32 *)data;
+
+ ar->wmi.op_version = le32_to_cpup(version);
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "found fw ie wmi op version %d\n",
+ ar->wmi.op_version);
+ break;
+ default:
+ ath10k_warn(ar, "Unknown FW IE: %u\n",
+ le32_to_cpu(hdr->id));
+ break;
+ }
+
+ /* jump over the padding */
+ ie_len = ALIGN(ie_len, 4);
+
+ len -= ie_len;
+ data += ie_len;
+ }
+
+ if (!ar->firmware_data || !ar->firmware_len) {
+ ath10k_warn(ar, "No ATH10K_FW_IE_FW_IMAGE found from '%s/%s', skipping\n",
+ ar->hw_params.fw.dir, name);
+ ret = -ENOMEDIUM;
+ goto err;
+ }
+
+ /* now fetch the board file */
+ if (ar->hw_params.fw.board == NULL) {
+ ath10k_err(ar, "board data file not defined");
+ ret = -EINVAL;
+ goto err;
+ }
+
+ ar->board = ath10k_fetch_fw_file(ar,
+ ar->hw_params.fw.dir,
+ ar->hw_params.fw.board);
+ if (IS_ERR(ar->board)) {
+ ret = PTR_ERR(ar->board);
+ ath10k_err(ar, "could not fetch board data '%s/%s' (%d)\n",
+ ar->hw_params.fw.dir, ar->hw_params.fw.board,
+ ret);
+ goto err;
+ }
+
+ ar->board_data = ar->board->data;
+ ar->board_len = ar->board->size;
+
+ return 0;
+
+err:
+ ath10k_core_free_firmware_files(ar);
+ return ret;
+}
+
+static int ath10k_core_fetch_firmware_files(struct ath10k *ar)
+{
+ int ret;
+
+ /* calibration file is optional, don't check for any errors */
+ ath10k_fetch_cal_file(ar);
+
+ ar->fw_api = 4;
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
+
+ ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API4_FILE);
+ if (ret == 0)
+ goto success;
+
+ ar->fw_api = 3;
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
+
+ ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API3_FILE);
+ if (ret == 0)
+ goto success;
+
+ ar->fw_api = 2;
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
+
+ ret = ath10k_core_fetch_firmware_api_n(ar, ATH10K_FW_API2_FILE);
+ if (ret == 0)
+ goto success;
+
+ ar->fw_api = 1;
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "trying fw api %d\n", ar->fw_api);
+
+ ret = ath10k_core_fetch_firmware_api_1(ar);
+ if (ret)
+ return ret;
+
+success:
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "using fw api %d\n", ar->fw_api);
+
+ return 0;
+}
+
+static int ath10k_download_cal_data(struct ath10k *ar)
+{
+ int ret;
+
+ ret = ath10k_download_cal_file(ar);
+ if (ret == 0) {
+ ar->cal_mode = ATH10K_CAL_MODE_FILE;
+ goto done;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "boot did not find a calibration file, try DT next: %d\n",
+ ret);
+
+ ret = ath10k_download_cal_dt(ar);
+ if (ret == 0) {
+ ar->cal_mode = ATH10K_CAL_MODE_DT;
+ goto done;
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT,
+ "boot did not find DT entry, try OTP next: %d\n",
+ ret);
+
+ ret = ath10k_download_and_run_otp(ar);
+ if (ret) {
+ ath10k_err(ar, "failed to run otp: %d\n", ret);
+ return ret;
+ }
+
+ ar->cal_mode = ATH10K_CAL_MODE_OTP;
+
+done:
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot using calibration mode %s\n",
+ ath10k_cal_mode_str(ar->cal_mode));
+ return 0;
+}
+
+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(ar, "could not disable UART prints (%d)\n", ret);
+ return ret;
+ }
+
+ if (!uart_print)
+ return 0;
+
+ ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, ar->hw_params.uart_pin);
+ if (ret) {
+ ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
+ return ret;
+ }
+
+ ret = ath10k_bmi_write32(ar, hi_serial_enable, 1);
+ if (ret) {
+ ath10k_warn(ar, "could not enable UART prints (%d)\n", ret);
+ return ret;
+ }
+
+ /* Set the UART baud rate to 19200. */
+ ret = ath10k_bmi_write32(ar, hi_desired_baud_rate, 19200);
+ if (ret) {
+ ath10k_warn(ar, "could not set the baud rate (%d)\n", ret);
+ return ret;
+ }
+
+ ath10k_info(ar, "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(ar, "Unsupported hardware version: 0x%x\n",
+ ar->target_version);
+ return -EINVAL;
+ }
+
+ ar->hw_params = *hw_params;
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "Hardware name %s version 0x%x\n",
+ ar->hw_params.name, ar->target_version);
+
+ return 0;
+}
+
+static void ath10k_core_restart(struct work_struct *work)
+{
+ struct ath10k *ar = container_of(work, struct ath10k, restart_work);
+
+ set_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
+
+ /* Place a barrier to make sure the compiler doesn't reorder
+ * CRASH_FLUSH and calling other functions.
+ */
+ barrier();
+
+ ieee80211_stop_queues(ar->hw);
+ ath10k_drain_tx(ar);
+ complete_all(&ar->scan.started);
+ complete_all(&ar->scan.completed);
+ complete_all(&ar->scan.on_channel);
+ complete_all(&ar->offchan_tx_completed);
+ complete_all(&ar->install_key_done);
+ complete_all(&ar->vdev_setup_done);
+ complete_all(&ar->thermal.wmi_sync);
+ wake_up(&ar->htt.empty_tx_wq);
+ wake_up(&ar->wmi.tx_credits_wq);
+ wake_up(&ar->peer_mapping_wq);
+
+ mutex_lock(&ar->conf_mutex);
+
+ switch (ar->state) {
+ case ATH10K_STATE_ON:
+ ar->state = ATH10K_STATE_RESTARTING;
+ ath10k_hif_stop(ar);
+ ath10k_scan_finish(ar);
+ ieee80211_restart_hw(ar->hw);
+ break;
+ case ATH10K_STATE_OFF:
+ /* this can happen if driver is being unloaded
+ * or if the crash happens during FW probing */
+ ath10k_warn(ar, "cannot restart a device that hasn't been started\n");
+ break;
+ case ATH10K_STATE_RESTARTING:
+ /* hw restart might be requested from multiple places */
+ break;
+ case ATH10K_STATE_RESTARTED:
+ ar->state = ATH10K_STATE_WEDGED;
+ /* fall through */
+ case ATH10K_STATE_WEDGED:
+ ath10k_warn(ar, "device is wedged, will not restart\n");
+ break;
+ case ATH10K_STATE_UTF:
+ ath10k_warn(ar, "firmware restart in UTF mode not supported\n");
+ break;
+ }
+
+ mutex_unlock(&ar->conf_mutex);
+}
+
+static int ath10k_core_init_firmware_features(struct ath10k *ar)
+{
+ if (test_bit(ATH10K_FW_FEATURE_WMI_10_2, ar->fw_features) &&
+ !test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
+ ath10k_err(ar, "feature bits corrupted: 10.2 feature requires 10.x feature to be set as well");
+ return -EINVAL;
+ }
+
+ if (ar->wmi.op_version >= ATH10K_FW_WMI_OP_VERSION_MAX) {
+ ath10k_err(ar, "unsupported WMI OP version (max %d): %d\n",
+ ATH10K_FW_WMI_OP_VERSION_MAX, ar->wmi.op_version);
+ return -EINVAL;
+ }
+
+ /* Backwards compatibility for firmwares without
+ * ATH10K_FW_IE_WMI_OP_VERSION.
+ */
+ if (ar->wmi.op_version == ATH10K_FW_WMI_OP_VERSION_UNSET) {
+ if (test_bit(ATH10K_FW_FEATURE_WMI_10X, ar->fw_features)) {
+ if (test_bit(ATH10K_FW_FEATURE_WMI_10_2,
+ ar->fw_features))
+ ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_2;
+ else
+ ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_10_1;
+ } else {
+ ar->wmi.op_version = ATH10K_FW_WMI_OP_VERSION_MAIN;
+ }
+ }
+
+ switch (ar->wmi.op_version) {
+ case ATH10K_FW_WMI_OP_VERSION_MAIN:
+ ar->max_num_peers = TARGET_NUM_PEERS;
+ ar->max_num_stations = TARGET_NUM_STATIONS;
+ ar->max_num_vdevs = TARGET_NUM_VDEVS;
+ ar->htt.max_num_pending_tx = TARGET_NUM_MSDU_DESC;
+ break;
+ case ATH10K_FW_WMI_OP_VERSION_10_1:
+ case ATH10K_FW_WMI_OP_VERSION_10_2:
+ case ATH10K_FW_WMI_OP_VERSION_10_2_4:
+ ar->max_num_peers = TARGET_10X_NUM_PEERS;
+ ar->max_num_stations = TARGET_10X_NUM_STATIONS;
+ ar->max_num_vdevs = TARGET_10X_NUM_VDEVS;
+ ar->htt.max_num_pending_tx = TARGET_10X_NUM_MSDU_DESC;
+ break;
+ case ATH10K_FW_WMI_OP_VERSION_TLV:
+ ar->max_num_peers = TARGET_TLV_NUM_PEERS;
+ ar->max_num_stations = TARGET_TLV_NUM_STATIONS;
+ ar->max_num_vdevs = TARGET_TLV_NUM_VDEVS;
+ ar->htt.max_num_pending_tx = TARGET_TLV_NUM_MSDU_DESC;
+ break;
+ case ATH10K_FW_WMI_OP_VERSION_UNSET:
+ case ATH10K_FW_WMI_OP_VERSION_MAX:
+ WARN_ON(1);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode)
+{
+ int status;
+
+ lockdep_assert_held(&ar->conf_mutex);
+
+ clear_bit(ATH10K_FLAG_CRASH_FLUSH, &ar->dev_flags);
+
+ ath10k_bmi_start(ar);
+
+ if (ath10k_init_configure_target(ar)) {
+ status = -EINVAL;
+ goto err;
+ }
+
+ status = ath10k_download_cal_data(ar);
+ if (status)
+ goto err;
+
+ status = ath10k_download_fw(ar, mode);
+ if (status)
+ goto err;
+
+ status = ath10k_init_uart(ar);
+ if (status)
+ goto err;
+
+ ar->htc.htc_ops.target_send_suspend_complete =
+ ath10k_send_suspend_complete;
+
+ status = ath10k_htc_init(ar);
+ if (status) {
+ ath10k_err(ar, "could not init HTC (%d)\n", status);
+ goto err;
+ }
+
+ status = ath10k_bmi_done(ar);
+ if (status)
+ goto err;
+
+ status = ath10k_wmi_attach(ar);
+ if (status) {
+ ath10k_err(ar, "WMI attach failed: %d\n", status);
+ goto err;
+ }
+
+ status = ath10k_htt_init(ar);
+ if (status) {
+ ath10k_err(ar, "failed to init htt: %d\n", status);
+ goto err_wmi_detach;
+ }
+
+ status = ath10k_htt_tx_alloc(&ar->htt);
+ if (status) {
+ ath10k_err(ar, "failed to alloc htt tx: %d\n", status);
+ goto err_wmi_detach;
+ }
+
+ status = ath10k_htt_rx_alloc(&ar->htt);
+ if (status) {
+ ath10k_err(ar, "failed to alloc htt rx: %d\n", status);
+ goto err_htt_tx_detach;
+ }
+
+ status = ath10k_hif_start(ar);
+ if (status) {
+ ath10k_err(ar, "could not start HIF: %d\n", status);
+ goto err_htt_rx_detach;
+ }
+
+ status = ath10k_htc_wait_target(&ar->htc);
+ if (status) {
+ ath10k_err(ar, "failed to connect to HTC: %d\n", status);
+ goto err_hif_stop;
+ }
+
+ if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
+ status = ath10k_htt_connect(&ar->htt);
+ if (status) {
+ ath10k_err(ar, "failed to connect htt (%d)\n", status);
+ goto err_hif_stop;
+ }
+ }
+
+ status = ath10k_wmi_connect(ar);
+ if (status) {
+ ath10k_err(ar, "could not connect wmi: %d\n", status);
+ goto err_hif_stop;
+ }
+
+ status = ath10k_htc_start(&ar->htc);
+ if (status) {
+ ath10k_err(ar, "failed to start htc: %d\n", status);
+ goto err_hif_stop;
+ }
+
+ if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
+ status = ath10k_wmi_wait_for_service_ready(ar);
+ if (status <= 0) {
+ ath10k_warn(ar, "wmi service ready event not received");
+ status = -ETIMEDOUT;
+ goto err_hif_stop;
+ }
+ }
+
+ ath10k_dbg(ar, ATH10K_DBG_BOOT, "firmware %s booted\n",
+ ar->hw->wiphy->fw_version);
+
+ status = ath10k_wmi_cmd_init(ar);
+ if (status) {
+ ath10k_err(ar, "could not send WMI init command (%d)\n",
+ status);
+ goto err_hif_stop;
+ }
+
+ status = ath10k_wmi_wait_for_unified_ready(ar);
+ if (status <= 0) {
+ ath10k_err(ar, "wmi unified ready event not received\n");
+ status = -ETIMEDOUT;
+ goto err_hif_stop;
+ }
+
+ /* If firmware indicates Full Rx Reorder support it must be used in a
+ * slightly different manner. Let HTT code know.
+ */
+ ar->htt.rx_ring.in_ord_rx = !!(test_bit(WMI_SERVICE_RX_FULL_REORDER,
+ ar->wmi.svc_map));
+
+ status = ath10k_htt_rx_ring_refill(ar);
+ if (status) {
+ ath10k_err(ar, "failed to refill htt rx ring: %d\n", status);
+ goto err_hif_stop;
+ }
+
+ /* we don't care about HTT in UTF mode */
+ if (mode == ATH10K_FIRMWARE_MODE_NORMAL) {
+ status = ath10k_htt_setup(&ar->htt);
+ if (status) {
+ ath10k_err(ar, "failed to setup htt: %d\n", status);
+ goto err_hif_stop;
+ }
+ }
+
+ status = ath10k_debug_start(ar);
+ if (status)
+ goto err_hif_stop;
+
+ ar->free_vdev_map = (1LL << ar->max_num_vdevs) - 1;
+
+ INIT_LIST_HEAD(&ar->arvifs);
+
+ return 0;
+
+err_hif_stop:
+ ath10k_hif_stop(ar);
+err_htt_rx_detach:
+ ath10k_htt_rx_free(&ar->htt);
+err_htt_tx_detach:
+ ath10k_htt_tx_free(&ar->htt);
+err_wmi_detach:
+ ath10k_wmi_detach(ar);
+err:
+ return status;
+}
+EXPORT_SYMBOL(ath10k_core_start);
+
+int ath10k_wait_for_suspend(struct ath10k *ar, u32 suspend_opt)
+{
+ int ret;
+
+ reinit_completion(&ar->target_suspend);
+
+ ret = ath10k_wmi_pdev_suspend_target(ar, suspend_opt);
+ if (ret) {
+ ath10k_warn(ar, "could not suspend target (%d)\n", ret);
+ return ret;
+ }
+
+ ret = wait_for_completion_timeout(&ar->target_suspend, 1 * HZ);
+
+ if (ret == 0) {
+ ath10k_warn(ar, "suspend timed out - target pause event never came\n");
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+void ath10k_core_stop(struct ath10k *ar)
+{
+ lockdep_assert_held(&ar->conf_mutex);
+
+ /* try to suspend target */
+ if (ar->state != ATH10K_STATE_RESTARTING &&
+ ar->state != ATH10K_STATE_UTF)
+ ath10k_wait_for_suspend(ar, WMI_PDEV_SUSPEND_AND_DISABLE_INTR);
+
+ ath10k_debug_stop(ar);
+ ath10k_hif_stop(ar);
+ ath10k_htt_tx_free(&ar->htt);
+ ath10k_htt_rx_free(&ar->htt);
+ ath10k_wmi_detach(ar);
+}
+EXPORT_SYMBOL(ath10k_core_stop);
+
+/* mac80211 manages fw/hw initialization through start/stop hooks. However in
+ * order to know what hw capabilities should be advertised to mac80211 it is
+ * necessary to load the firmware (and tear it down immediately since start
+ * hook will try to init it again) before registering */
+static int ath10k_core_probe_fw(struct ath10k *ar)
+{
+ struct bmi_target_info target_info;
+ int ret = 0;
+
+ ret = ath10k_hif_power_up(ar);
+ if (ret) {
+ ath10k_err(ar, "could not start pci hif (%d)\n", ret);
+ return ret;
+ }
+
+ memset(&target_info, 0, sizeof(target_info));
+ ret = ath10k_bmi_get_target_info(ar, &target_info);
+ if (ret) {
+ ath10k_err(ar, "could not get target info (%d)\n", ret);
+ goto err_power_down;
+ }
+
+ ar->target_version = target_info.version;
+ ar->hw->wiphy->hw_version = target_info.version;
+
+ ret = ath10k_init_hw_params(ar);
+ if (ret) {
+ ath10k_err(ar, "could not get hw params (%d)\n", ret);
+ goto err_power_down;
+ }
+
+ ret = ath10k_core_fetch_firmware_files(ar);
+ if (ret) {
+ ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
+ goto err_power_down;
+ }
+
+ ret = ath10k_core_init_firmware_features(ar);
+ if (ret) {
+ ath10k_err(ar, "fatal problem with firmware features: %d\n",
+ ret);
+ goto err_free_firmware_files;
+ }
+
+ mutex_lock(&ar->conf_mutex);
+
+ ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
+ if (ret) {
+ ath10k_err(ar, "could not init core (%d)\n", ret);
+ goto err_unlock;
+ }
+
+ ath10k_print_driver_info(ar);
+ ath10k_core_stop(ar);
+
+ mutex_unlock(&ar->conf_mutex);
+
+ ath10k_hif_power_down(ar);
+ return 0;
+
+err_unlock:
+ mutex_unlock(&ar->conf_mutex);
+
+err_free_firmware_files:
+ ath10k_core_free_firmware_files(ar);
+
+err_power_down:
+ ath10k_hif_power_down(ar);
+
+ return ret;
+}
+
+static void ath10k_core_register_work(struct work_struct *work)
+{
+ struct ath10k *ar = container_of(work, struct ath10k, register_work);
+ int status;
+
+ status = ath10k_core_probe_fw(ar);
+ if (status) {
+ ath10k_err(ar, "could not probe fw (%d)\n", status);
+ goto err;
+ }
+
+ status = ath10k_mac_register(ar);
+ if (status) {
+ ath10k_err(ar, "could not register to mac80211 (%d)\n", status);
+ goto err_release_fw;
+ }
+
+ status = ath10k_debug_register(ar);
+ if (status) {
+ ath10k_err(ar, "unable to initialize debugfs\n");
+ goto err_unregister_mac;
+ }
+
+ status = ath10k_spectral_create(ar);
+ if (status) {
+ ath10k_err(ar, "failed to initialize spectral\n");
+ goto err_debug_destroy;
+ }
+
+ status = ath10k_thermal_register(ar);
+ if (status) {
+ ath10k_err(ar, "could not register thermal device: %d\n",
+ status);
+ goto err_spectral_destroy;
+ }
+
+ set_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags);
+ return;
+
+err_spectral_destroy:
+ ath10k_spectral_destroy(ar);
+err_debug_destroy:
+ ath10k_debug_destroy(ar);
+err_unregister_mac:
+ ath10k_mac_unregister(ar);
+err_release_fw:
+ ath10k_core_free_firmware_files(ar);
+err:
+ /* TODO: It's probably a good idea to release device from the driver
+ * but calling device_release_driver() here will cause a deadlock.
+ */
+ return;
+}
+
+int ath10k_core_register(struct ath10k *ar, u32 chip_id)
+{
+ ar->chip_id = chip_id;
+ queue_work(ar->workqueue, &ar->register_work);
+
+ return 0;
+}
+EXPORT_SYMBOL(ath10k_core_register);
+
+void ath10k_core_unregister(struct ath10k *ar)
+{
+ cancel_work_sync(&ar->register_work);
+
+ if (!test_bit(ATH10K_FLAG_CORE_REGISTERED, &ar->dev_flags))
+ return;
+
+ ath10k_thermal_unregister(ar);
+ /* Stop spectral before unregistering from mac80211 to remove the
+ * relayfs debugfs file cleanly. Otherwise the parent debugfs tree
+ * would be already be free'd recursively, leading to a double free.
+ */
+ ath10k_spectral_destroy(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_testmode_destroy(ar);
+
+ ath10k_core_free_firmware_files(ar);
+
+ ath10k_debug_unregister(ar);
+}
+EXPORT_SYMBOL(ath10k_core_unregister);
+
+struct ath10k *ath10k_core_create(size_t priv_size, struct device *dev,
+ enum ath10k_bus bus,
+ enum ath10k_hw_rev hw_rev,
+ const struct ath10k_hif_ops *hif_ops)
+{
+ struct ath10k *ar;
+ int ret;
+
+ ar = ath10k_mac_create(priv_size);
+ if (!ar)
+ return NULL;
+
+ ar->ath_common.priv = ar;
+ ar->ath_common.hw = ar->hw;
+ ar->dev = dev;
+ ar->hw_rev = hw_rev;
+ ar->hif.ops = hif_ops;
+ ar->hif.bus = bus;
+
+ switch (hw_rev) {
+ case ATH10K_HW_QCA988X:
+ ar->regs = &qca988x_regs;
+ break;
+ case ATH10K_HW_QCA6174:
+ ar->regs = &qca6174_regs;
+ break;
+ default:
+ ath10k_err(ar, "unsupported core hardware revision %d\n",
+ hw_rev);
+ ret = -ENOTSUPP;
+ goto err_free_mac;
+ }
+
+ init_completion(&ar->scan.started);
+ init_completion(&ar->scan.completed);
+ init_completion(&ar->scan.on_channel);
+ init_completion(&ar->target_suspend);
+
+ init_completion(&ar->install_key_done);
+ init_completion(&ar->vdev_setup_done);
+ init_completion(&ar->thermal.wmi_sync);
+
+ INIT_DELAYED_WORK(&ar->scan.timeout, ath10k_scan_timeout_work);
+
+ ar->workqueue = create_singlethread_workqueue("ath10k_wq");
+ if (!ar->workqueue)
+ goto err_free_mac;
+
+ mutex_init(&ar->conf_mutex);
+ spin_lock_init(&ar->data_lock);
+
+ INIT_LIST_HEAD(&ar->peers);
+ init_waitqueue_head(&ar->peer_mapping_wq);
+ init_waitqueue_head(&ar->htt.empty_tx_wq);
+ init_waitqueue_head(&ar->wmi.tx_credits_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_WORK(&ar->wmi_mgmt_tx_work, ath10k_mgmt_over_wmi_tx_work);
+ skb_queue_head_init(&ar->wmi_mgmt_tx_queue);
+
+ INIT_WORK(&ar->register_work, ath10k_core_register_work);
+ INIT_WORK(&ar->restart_work, ath10k_core_restart);
+
+ ret = ath10k_debug_create(ar);
+ if (ret)
+ goto err_free_wq;
+
+ return ar;
+
+err_free_wq:
+ destroy_workqueue(ar->workqueue);
+
+err_free_mac:
+ 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_debug_destroy(ar);
+ ath10k_mac_destroy(ar);
+}
+EXPORT_SYMBOL(ath10k_core_destroy);
+
+MODULE_AUTHOR("Qualcomm Atheros");
+MODULE_DESCRIPTION("Core module for QCA988X PCIe devices.");
+MODULE_LICENSE("Dual BSD/GPL");
Code Review / kvmfornfv.git / blobdiff