+/* 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("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("could not get target info (%d)\n", ret);
+ ath10k_hif_power_down(ar);
+ return ret;
+ }
+
+ ar->target_version = target_info.version;
+ ar->hw->wiphy->hw_version = target_info.version;
+
+ ret = ath10k_init_hw_params(ar);
+ if (ret) {
+ ath10k_err("could not get hw params (%d)\n", ret);
+ ath10k_hif_power_down(ar);
+ return ret;
+ }
+
+ ret = ath10k_core_fetch_firmware_files(ar);
+ if (ret) {
+ ath10k_err("could not fetch firmware files (%d)\n", ret);
+ ath10k_hif_power_down(ar);
+ return ret;
+ }
+
+ ret = ath10k_core_start(ar);
+ if (ret) {
+ ath10k_err("could not init core (%d)\n", ret);
+ ath10k_core_free_firmware_files(ar);
+ ath10k_hif_power_down(ar);
+ return ret;
+ }
+
+ ath10k_core_stop(ar);
+ ath10k_hif_power_down(ar);
+ return 0;
+}
+
+static int ath10k_core_check_chip_id(struct ath10k *ar)
+{
+ u32 hw_revision = MS(ar->chip_id, SOC_CHIP_ID_REV);
+
+ ath10k_dbg(ATH10K_DBG_BOOT, "boot chip_id 0x%08x hw_revision 0x%x\n",
+ ar->chip_id, hw_revision);
+
+ /* Check that we are not using hw1.0 (some of them have same pci id
+ * as hw2.0) before doing anything else as ath10k crashes horribly
+ * due to missing hw1.0 workarounds. */
+ switch (hw_revision) {
+ case QCA988X_HW_1_0_CHIP_ID_REV:
+ ath10k_err("ERROR: qca988x hw1.0 is not supported\n");
+ return -EOPNOTSUPP;
+
+ case QCA988X_HW_2_0_CHIP_ID_REV:
+ /* known hardware revision, continue normally */
+ return 0;
+
+ default:
+ ath10k_warn("Warning: hardware revision unknown (0x%x), expect problems\n",
+ ar->chip_id);
+ return 0;
+ }
+
+ return 0;
+}
+
+int ath10k_core_register(struct ath10k *ar, u32 chip_id)