static int qca_setup(struct hci_uart *hu) { struct hci_dev *hdev = hu->hdev; struct qca_data *qca = hu->priv; unsigned int speed, qca_baudrate = QCA_BAUDRATE_115200; int ret; BT_INFO("%s: ROME setup", hdev->name); /* Patch downloading has to be done without IBS mode */ clear_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags); /* Setup initial baudrate */ speed = 0; if (hu->init_speed) speed = hu->init_speed; else if (hu->proto->init_speed) speed = hu->proto->init_speed; if (speed) hci_uart_set_baudrate(hu, speed); /* Setup user speed if needed */ speed = 0; if (hu->oper_speed) speed = hu->oper_speed; else if (hu->proto->oper_speed) speed = hu->proto->oper_speed; if (speed) { qca_baudrate = qca_get_baudrate_value(speed); BT_INFO("%s: Set UART speed to %d", hdev->name, speed); ret = qca_set_baudrate(hdev, qca_baudrate); if (ret) { BT_ERR("%s: Failed to change the baud rate (%d)", hdev->name, ret); return ret; } hci_uart_set_baudrate(hu, speed); } /* Setup patch / NVM configurations */ ret = qca_uart_setup_rome(hdev, qca_baudrate); if (!ret) { set_bit(STATE_IN_BAND_SLEEP_ENABLED, &qca->flags); qca_debugfs_init(hdev); } /* Setup bdaddr */ hu->hdev->set_bdaddr = qca_set_bdaddr_rome; return ret; }
static inline void host_set_baudrate(struct hci_uart *hu, unsigned int speed) { if (hu->serdev) serdev_device_set_baudrate(hu->serdev, speed); else hci_uart_set_baudrate(hu, speed); }
static int hci_uart_setup(struct hci_dev *hdev) { struct hci_uart *hu = hci_get_drvdata(hdev); struct hci_rp_read_local_version *ver; struct sk_buff *skb; unsigned int speed; int err; /* Init speed if any */ if (hu->init_speed) speed = hu->init_speed; else if (hu->proto->init_speed) speed = hu->proto->init_speed; else speed = 0; if (speed) hci_uart_set_baudrate(hu, speed); /* Operational speed if any */ if (hu->oper_speed) speed = hu->oper_speed; else if (hu->proto->oper_speed) speed = hu->proto->oper_speed; else speed = 0; if (hu->proto->set_baudrate && speed) { err = hu->proto->set_baudrate(hu, speed); if (!err) hci_uart_set_baudrate(hu, speed); } if (hu->proto->setup) return hu->proto->setup(hu); if (!test_bit(HCI_UART_VND_DETECT, &hu->hdev_flags)) return 0; skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, HCI_INIT_TIMEOUT); if (IS_ERR(skb)) { BT_ERR("%s: Reading local version information failed (%ld)", hdev->name, PTR_ERR(skb)); return 0; } if (skb->len != sizeof(*ver)) { BT_ERR("%s: Event length mismatch for version information", hdev->name); goto done; } ver = (struct hci_rp_read_local_version *)skb->data; switch (le16_to_cpu(ver->manufacturer)) { #ifdef CONFIG_BT_HCIUART_INTEL case 2: hdev->set_bdaddr = btintel_set_bdaddr; btintel_check_bdaddr(hdev); break; #endif #ifdef CONFIG_BT_HCIUART_BCM case 15: hdev->set_bdaddr = btbcm_set_bdaddr; btbcm_check_bdaddr(hdev); break; #endif } done: kfree_skb(skb); return 0; }