| /** |
| * Marvell Bluetooth driver |
| * |
| * Copyright (C) 2009, Marvell International Ltd. |
| * |
| * This software file (the "File") is distributed by Marvell International |
| * Ltd. under the terms of the GNU General Public License Version 2, June 1991 |
| * (the "License"). You may use, redistribute and/or modify this File in |
| * accordance with the terms and conditions of the License, a copy of which |
| * is available by writing to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the |
| * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. |
| * |
| * |
| * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE |
| * ARE EXPRESSLY DISCLAIMED. The License provides additional details about |
| * this warranty disclaimer. |
| **/ |
| |
| #include <linux/module.h> |
| |
| #include <net/bluetooth/bluetooth.h> |
| #include <net/bluetooth/hci_core.h> |
| |
| #include "btmrvl_drv.h" |
| |
| #define VERSION "1.0" |
| |
| /* |
| * This function is called by interface specific interrupt handler. |
| * It updates Power Save & Host Sleep states, and wakes up the main |
| * thread. |
| */ |
| void btmrvl_interrupt(struct btmrvl_private *priv) |
| { |
| priv->adapter->ps_state = PS_AWAKE; |
| |
| priv->adapter->wakeup_tries = 0; |
| |
| priv->adapter->int_count++; |
| |
| wake_up_interruptible(&priv->main_thread.wait_q); |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_interrupt); |
| |
| bool btmrvl_check_evtpkt(struct btmrvl_private *priv, struct sk_buff *skb) |
| { |
| struct hci_event_hdr *hdr = (void *) skb->data; |
| |
| if (hdr->evt == HCI_EV_CMD_COMPLETE) { |
| struct hci_ev_cmd_complete *ec; |
| u16 opcode, ocf, ogf; |
| |
| ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE); |
| opcode = __le16_to_cpu(ec->opcode); |
| ocf = hci_opcode_ocf(opcode); |
| ogf = hci_opcode_ogf(opcode); |
| |
| if (priv->btmrvl_dev.sendcmdflag) { |
| priv->btmrvl_dev.sendcmdflag = false; |
| priv->adapter->cmd_complete = true; |
| wake_up_interruptible(&priv->adapter->cmd_wait_q); |
| } |
| |
| if (ogf == OGF) { |
| BT_DBG("vendor event skipped: ogf 0x%4.4x ocf 0x%4.4x", |
| ogf, ocf); |
| kfree_skb(skb); |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_check_evtpkt); |
| |
| int btmrvl_process_event(struct btmrvl_private *priv, struct sk_buff *skb) |
| { |
| struct btmrvl_adapter *adapter = priv->adapter; |
| struct btmrvl_event *event; |
| int ret = 0; |
| |
| event = (struct btmrvl_event *) skb->data; |
| if (event->ec != 0xff) { |
| BT_DBG("Not Marvell Event=%x", event->ec); |
| ret = -EINVAL; |
| goto exit; |
| } |
| |
| switch (event->data[0]) { |
| case BT_CMD_AUTO_SLEEP_MODE: |
| if (!event->data[2]) { |
| if (event->data[1] == BT_PS_ENABLE) |
| adapter->psmode = 1; |
| else |
| adapter->psmode = 0; |
| BT_DBG("PS Mode:%s", |
| (adapter->psmode) ? "Enable" : "Disable"); |
| } else { |
| BT_DBG("PS Mode command failed"); |
| } |
| break; |
| |
| case BT_CMD_HOST_SLEEP_CONFIG: |
| if (!event->data[3]) |
| BT_DBG("gpio=%x, gap=%x", event->data[1], |
| event->data[2]); |
| else |
| BT_DBG("HSCFG command failed"); |
| break; |
| |
| case BT_CMD_HOST_SLEEP_ENABLE: |
| if (!event->data[1]) { |
| adapter->hs_state = HS_ACTIVATED; |
| if (adapter->psmode) |
| adapter->ps_state = PS_SLEEP; |
| BT_DBG("HS ACTIVATED!"); |
| } else { |
| BT_DBG("HS Enable failed"); |
| } |
| break; |
| |
| case BT_CMD_MODULE_CFG_REQ: |
| if (priv->btmrvl_dev.sendcmdflag && |
| event->data[1] == MODULE_BRINGUP_REQ) { |
| BT_DBG("EVENT:%s", |
| ((event->data[2] == MODULE_BROUGHT_UP) || |
| (event->data[2] == MODULE_ALREADY_UP)) ? |
| "Bring-up succeed" : "Bring-up failed"); |
| |
| if (event->length > 3 && event->data[3]) |
| priv->btmrvl_dev.dev_type = HCI_AMP; |
| else |
| priv->btmrvl_dev.dev_type = HCI_BREDR; |
| |
| BT_DBG("dev_type: %d", priv->btmrvl_dev.dev_type); |
| } else if (priv->btmrvl_dev.sendcmdflag && |
| event->data[1] == MODULE_SHUTDOWN_REQ) { |
| BT_DBG("EVENT:%s", (event->data[2]) ? |
| "Shutdown failed" : "Shutdown succeed"); |
| } else { |
| BT_DBG("BT_CMD_MODULE_CFG_REQ resp for APP"); |
| ret = -EINVAL; |
| } |
| break; |
| |
| case BT_EVENT_POWER_STATE: |
| if (event->data[1] == BT_PS_SLEEP) |
| adapter->ps_state = PS_SLEEP; |
| BT_DBG("EVENT:%s", |
| (adapter->ps_state) ? "PS_SLEEP" : "PS_AWAKE"); |
| break; |
| |
| default: |
| BT_DBG("Unknown Event=%d", event->data[0]); |
| ret = -EINVAL; |
| break; |
| } |
| |
| exit: |
| if (!ret) |
| kfree_skb(skb); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_process_event); |
| |
| static int btmrvl_send_sync_cmd(struct btmrvl_private *priv, u16 cmd_no, |
| const void *param, u8 len) |
| { |
| struct sk_buff *skb; |
| struct hci_command_hdr *hdr; |
| |
| skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_ATOMIC); |
| if (skb == NULL) { |
| BT_ERR("No free skb"); |
| return -ENOMEM; |
| } |
| |
| hdr = (struct hci_command_hdr *)skb_put(skb, HCI_COMMAND_HDR_SIZE); |
| hdr->opcode = cpu_to_le16(hci_opcode_pack(OGF, cmd_no)); |
| hdr->plen = len; |
| |
| if (len) |
| memcpy(skb_put(skb, len), param, len); |
| |
| bt_cb(skb)->pkt_type = MRVL_VENDOR_PKT; |
| |
| skb->dev = (void *) priv->btmrvl_dev.hcidev; |
| skb_queue_head(&priv->adapter->tx_queue, skb); |
| |
| priv->btmrvl_dev.sendcmdflag = true; |
| |
| priv->adapter->cmd_complete = false; |
| |
| wake_up_interruptible(&priv->main_thread.wait_q); |
| |
| if (!wait_event_interruptible_timeout(priv->adapter->cmd_wait_q, |
| priv->adapter->cmd_complete, |
| msecs_to_jiffies(WAIT_UNTIL_CMD_RESP))) |
| return -ETIMEDOUT; |
| |
| return 0; |
| } |
| |
| int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, int subcmd) |
| { |
| int ret; |
| |
| ret = btmrvl_send_sync_cmd(priv, BT_CMD_MODULE_CFG_REQ, &subcmd, 1); |
| if (ret) |
| BT_ERR("module_cfg_cmd(%x) failed\n", subcmd); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd); |
| |
| int btmrvl_send_hscfg_cmd(struct btmrvl_private *priv) |
| { |
| int ret; |
| u8 param[2]; |
| |
| param[0] = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8; |
| param[1] = (u8) (priv->btmrvl_dev.gpio_gap & 0x00ff); |
| |
| BT_DBG("Sending HSCFG Command, gpio=0x%x, gap=0x%x", |
| param[0], param[1]); |
| |
| ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_CONFIG, param, 2); |
| if (ret) |
| BT_ERR("HSCFG command failed\n"); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_send_hscfg_cmd); |
| |
| int btmrvl_enable_ps(struct btmrvl_private *priv) |
| { |
| int ret; |
| u8 param; |
| |
| if (priv->btmrvl_dev.psmode) |
| param = BT_PS_ENABLE; |
| else |
| param = BT_PS_DISABLE; |
| |
| ret = btmrvl_send_sync_cmd(priv, BT_CMD_AUTO_SLEEP_MODE, ¶m, 1); |
| if (ret) |
| BT_ERR("PSMODE command failed\n"); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_enable_ps); |
| |
| int btmrvl_enable_hs(struct btmrvl_private *priv) |
| { |
| int ret; |
| |
| ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0); |
| if (ret) |
| BT_ERR("Host sleep enable command failed\n"); |
| |
| return ret; |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_enable_hs); |
| |
| int btmrvl_prepare_command(struct btmrvl_private *priv) |
| { |
| int ret = 0; |
| |
| if (priv->btmrvl_dev.hscfgcmd) { |
| priv->btmrvl_dev.hscfgcmd = 0; |
| btmrvl_send_hscfg_cmd(priv); |
| } |
| |
| if (priv->btmrvl_dev.pscmd) { |
| priv->btmrvl_dev.pscmd = 0; |
| btmrvl_enable_ps(priv); |
| } |
| |
| if (priv->btmrvl_dev.hscmd) { |
| priv->btmrvl_dev.hscmd = 0; |
| |
| if (priv->btmrvl_dev.hsmode) { |
| ret = btmrvl_enable_hs(priv); |
| } else { |
| ret = priv->hw_wakeup_firmware(priv); |
| priv->adapter->hs_state = HS_DEACTIVATED; |
| } |
| } |
| |
| return ret; |
| } |
| |
| static int btmrvl_tx_pkt(struct btmrvl_private *priv, struct sk_buff *skb) |
| { |
| int ret = 0; |
| |
| if (!skb || !skb->data) |
| return -EINVAL; |
| |
| if (!skb->len || ((skb->len + BTM_HEADER_LEN) > BTM_UPLD_SIZE)) { |
| BT_ERR("Tx Error: Bad skb length %d : %d", |
| skb->len, BTM_UPLD_SIZE); |
| return -EINVAL; |
| } |
| |
| if (skb_headroom(skb) < BTM_HEADER_LEN) { |
| struct sk_buff *tmp = skb; |
| |
| skb = skb_realloc_headroom(skb, BTM_HEADER_LEN); |
| if (!skb) { |
| BT_ERR("Tx Error: realloc_headroom failed %d", |
| BTM_HEADER_LEN); |
| skb = tmp; |
| return -EINVAL; |
| } |
| |
| kfree_skb(tmp); |
| } |
| |
| skb_push(skb, BTM_HEADER_LEN); |
| |
| /* header type: byte[3] |
| * HCI_COMMAND = 1, ACL_DATA = 2, SCO_DATA = 3, 0xFE = Vendor |
| * header length: byte[2][1][0] |
| */ |
| |
| skb->data[0] = (skb->len & 0x0000ff); |
| skb->data[1] = (skb->len & 0x00ff00) >> 8; |
| skb->data[2] = (skb->len & 0xff0000) >> 16; |
| skb->data[3] = bt_cb(skb)->pkt_type; |
| |
| if (priv->hw_host_to_card) |
| ret = priv->hw_host_to_card(priv, skb->data, skb->len); |
| |
| return ret; |
| } |
| |
| static void btmrvl_init_adapter(struct btmrvl_private *priv) |
| { |
| skb_queue_head_init(&priv->adapter->tx_queue); |
| |
| priv->adapter->ps_state = PS_AWAKE; |
| |
| init_waitqueue_head(&priv->adapter->cmd_wait_q); |
| } |
| |
| static void btmrvl_free_adapter(struct btmrvl_private *priv) |
| { |
| skb_queue_purge(&priv->adapter->tx_queue); |
| |
| kfree(priv->adapter); |
| |
| priv->adapter = NULL; |
| } |
| |
| static int btmrvl_send_frame(struct sk_buff *skb) |
| { |
| struct hci_dev *hdev = (struct hci_dev *) skb->dev; |
| struct btmrvl_private *priv = NULL; |
| |
| BT_DBG("type=%d, len=%d", skb->pkt_type, skb->len); |
| |
| if (!hdev) { |
| BT_ERR("Frame for unknown HCI device"); |
| return -ENODEV; |
| } |
| |
| priv = hci_get_drvdata(hdev); |
| |
| if (!test_bit(HCI_RUNNING, &hdev->flags)) { |
| BT_ERR("Failed testing HCI_RUNING, flags=%lx", hdev->flags); |
| print_hex_dump_bytes("data: ", DUMP_PREFIX_OFFSET, |
| skb->data, skb->len); |
| return -EBUSY; |
| } |
| |
| switch (bt_cb(skb)->pkt_type) { |
| case HCI_COMMAND_PKT: |
| hdev->stat.cmd_tx++; |
| break; |
| |
| case HCI_ACLDATA_PKT: |
| hdev->stat.acl_tx++; |
| break; |
| |
| case HCI_SCODATA_PKT: |
| hdev->stat.sco_tx++; |
| break; |
| } |
| |
| skb_queue_tail(&priv->adapter->tx_queue, skb); |
| |
| wake_up_interruptible(&priv->main_thread.wait_q); |
| |
| return 0; |
| } |
| |
| static int btmrvl_flush(struct hci_dev *hdev) |
| { |
| struct btmrvl_private *priv = hci_get_drvdata(hdev); |
| |
| skb_queue_purge(&priv->adapter->tx_queue); |
| |
| return 0; |
| } |
| |
| static int btmrvl_close(struct hci_dev *hdev) |
| { |
| struct btmrvl_private *priv = hci_get_drvdata(hdev); |
| |
| if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) |
| return 0; |
| |
| skb_queue_purge(&priv->adapter->tx_queue); |
| |
| return 0; |
| } |
| |
| static int btmrvl_open(struct hci_dev *hdev) |
| { |
| set_bit(HCI_RUNNING, &hdev->flags); |
| |
| return 0; |
| } |
| |
| /* |
| * This function parses provided calibration data input. It should contain |
| * hex bytes separated by space or new line character. Here is an example. |
| * 00 1C 01 37 FF FF FF FF 02 04 7F 01 |
| * CE BA 00 00 00 2D C6 C0 00 00 00 00 |
| * 00 F0 00 00 |
| */ |
| static int btmrvl_parse_cal_cfg(const u8 *src, u32 len, u8 *dst, u32 dst_size) |
| { |
| const u8 *s = src; |
| u8 *d = dst; |
| int ret; |
| u8 tmp[3]; |
| |
| tmp[2] = '\0'; |
| while ((s - src) <= len - 2) { |
| if (isspace(*s)) { |
| s++; |
| continue; |
| } |
| |
| if (isxdigit(*s)) { |
| if ((d - dst) >= dst_size) { |
| BT_ERR("calibration data file too big!!!"); |
| return -EINVAL; |
| } |
| |
| memcpy(tmp, s, 2); |
| |
| ret = kstrtou8(tmp, 16, d++); |
| if (ret < 0) |
| return ret; |
| |
| s += 2; |
| } else { |
| return -EINVAL; |
| } |
| } |
| if (d == dst) |
| return -EINVAL; |
| |
| return 0; |
| } |
| |
| static int btmrvl_load_cal_data(struct btmrvl_private *priv, |
| u8 *config_data) |
| { |
| int i, ret; |
| u8 data[BT_CMD_DATA_SIZE]; |
| |
| data[0] = 0x00; |
| data[1] = 0x00; |
| data[2] = 0x00; |
| data[3] = BT_CMD_DATA_SIZE - 4; |
| |
| /* Swap cal-data bytes. Each four bytes are swapped. Considering 4 |
| * byte SDIO header offset, mapping of input and output bytes will be |
| * {3, 2, 1, 0} -> {0+4, 1+4, 2+4, 3+4}, |
| * {7, 6, 5, 4} -> {4+4, 5+4, 6+4, 7+4} */ |
| for (i = 4; i < BT_CMD_DATA_SIZE; i++) |
| data[i] = config_data[(i / 4) * 8 - 1 - i]; |
| |
| print_hex_dump_bytes("Calibration data: ", |
| DUMP_PREFIX_OFFSET, data, BT_CMD_DATA_SIZE); |
| |
| ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data, |
| BT_CMD_DATA_SIZE); |
| if (ret) |
| BT_ERR("Failed to download caibration data\n"); |
| |
| return 0; |
| } |
| |
| static int |
| btmrvl_process_cal_cfg(struct btmrvl_private *priv, u8 *data, u32 size) |
| { |
| u8 cal_data[BT_CAL_DATA_SIZE]; |
| int ret; |
| |
| ret = btmrvl_parse_cal_cfg(data, size, cal_data, sizeof(cal_data)); |
| if (ret) |
| return ret; |
| |
| ret = btmrvl_load_cal_data(priv, cal_data); |
| if (ret) { |
| BT_ERR("Fail to load calibrate data"); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| static int btmrvl_cal_data_config(struct btmrvl_private *priv) |
| { |
| const struct firmware *cfg; |
| int ret; |
| const char *cal_data = priv->btmrvl_dev.cal_data; |
| |
| if (!cal_data) |
| return 0; |
| |
| ret = request_firmware(&cfg, cal_data, priv->btmrvl_dev.dev); |
| if (ret < 0) { |
| BT_DBG("Failed to get %s file, skipping cal data download", |
| cal_data); |
| return 0; |
| } |
| |
| ret = btmrvl_process_cal_cfg(priv, (u8 *)cfg->data, cfg->size); |
| release_firmware(cfg); |
| return ret; |
| } |
| |
| static int btmrvl_setup(struct hci_dev *hdev) |
| { |
| struct btmrvl_private *priv = hci_get_drvdata(hdev); |
| |
| btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ); |
| |
| if (btmrvl_cal_data_config(priv)) |
| BT_ERR("Set cal data failed"); |
| |
| priv->btmrvl_dev.psmode = 1; |
| btmrvl_enable_ps(priv); |
| |
| priv->btmrvl_dev.gpio_gap = 0xffff; |
| btmrvl_send_hscfg_cmd(priv); |
| |
| return 0; |
| } |
| |
| /* |
| * This function handles the event generated by firmware, rx data |
| * received from firmware, and tx data sent from kernel. |
| */ |
| static int btmrvl_service_main_thread(void *data) |
| { |
| struct btmrvl_thread *thread = data; |
| struct btmrvl_private *priv = thread->priv; |
| struct btmrvl_adapter *adapter = priv->adapter; |
| wait_queue_t wait; |
| struct sk_buff *skb; |
| ulong flags; |
| |
| init_waitqueue_entry(&wait, current); |
| |
| for (;;) { |
| add_wait_queue(&thread->wait_q, &wait); |
| |
| set_current_state(TASK_INTERRUPTIBLE); |
| if (kthread_should_stop()) { |
| BT_DBG("main_thread: break from main thread"); |
| break; |
| } |
| |
| if (adapter->wakeup_tries || |
| ((!adapter->int_count) && |
| (!priv->btmrvl_dev.tx_dnld_rdy || |
| skb_queue_empty(&adapter->tx_queue)))) { |
| BT_DBG("main_thread is sleeping..."); |
| schedule(); |
| } |
| |
| set_current_state(TASK_RUNNING); |
| |
| remove_wait_queue(&thread->wait_q, &wait); |
| |
| BT_DBG("main_thread woke up"); |
| |
| spin_lock_irqsave(&priv->driver_lock, flags); |
| if (adapter->int_count) { |
| adapter->int_count = 0; |
| spin_unlock_irqrestore(&priv->driver_lock, flags); |
| priv->hw_process_int_status(priv); |
| } else if (adapter->ps_state == PS_SLEEP && |
| !skb_queue_empty(&adapter->tx_queue)) { |
| spin_unlock_irqrestore(&priv->driver_lock, flags); |
| adapter->wakeup_tries++; |
| priv->hw_wakeup_firmware(priv); |
| continue; |
| } else { |
| spin_unlock_irqrestore(&priv->driver_lock, flags); |
| } |
| |
| if (adapter->ps_state == PS_SLEEP) |
| continue; |
| |
| if (!priv->btmrvl_dev.tx_dnld_rdy) |
| continue; |
| |
| skb = skb_dequeue(&adapter->tx_queue); |
| if (skb) { |
| if (btmrvl_tx_pkt(priv, skb)) |
| priv->btmrvl_dev.hcidev->stat.err_tx++; |
| else |
| priv->btmrvl_dev.hcidev->stat.byte_tx += skb->len; |
| |
| kfree_skb(skb); |
| } |
| } |
| |
| return 0; |
| } |
| |
| int btmrvl_register_hdev(struct btmrvl_private *priv) |
| { |
| struct hci_dev *hdev = NULL; |
| int ret; |
| |
| hdev = hci_alloc_dev(); |
| if (!hdev) { |
| BT_ERR("Can not allocate HCI device"); |
| goto err_hdev; |
| } |
| |
| priv->btmrvl_dev.hcidev = hdev; |
| hci_set_drvdata(hdev, priv); |
| |
| hdev->bus = HCI_SDIO; |
| hdev->open = btmrvl_open; |
| hdev->close = btmrvl_close; |
| hdev->flush = btmrvl_flush; |
| hdev->send = btmrvl_send_frame; |
| hdev->setup = btmrvl_setup; |
| |
| hdev->dev_type = priv->btmrvl_dev.dev_type; |
| |
| ret = hci_register_dev(hdev); |
| if (ret < 0) { |
| BT_ERR("Can not register HCI device"); |
| goto err_hci_register_dev; |
| } |
| |
| #ifdef CONFIG_DEBUG_FS |
| btmrvl_debugfs_init(hdev); |
| #endif |
| |
| return 0; |
| |
| err_hci_register_dev: |
| hci_free_dev(hdev); |
| |
| err_hdev: |
| /* Stop the thread servicing the interrupts */ |
| kthread_stop(priv->main_thread.task); |
| |
| btmrvl_free_adapter(priv); |
| kfree(priv); |
| |
| return -ENOMEM; |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_register_hdev); |
| |
| struct btmrvl_private *btmrvl_add_card(void *card) |
| { |
| struct btmrvl_private *priv; |
| |
| priv = kzalloc(sizeof(*priv), GFP_KERNEL); |
| if (!priv) { |
| BT_ERR("Can not allocate priv"); |
| goto err_priv; |
| } |
| |
| priv->adapter = kzalloc(sizeof(*priv->adapter), GFP_KERNEL); |
| if (!priv->adapter) { |
| BT_ERR("Allocate buffer for btmrvl_adapter failed!"); |
| goto err_adapter; |
| } |
| |
| btmrvl_init_adapter(priv); |
| |
| BT_DBG("Starting kthread..."); |
| priv->main_thread.priv = priv; |
| spin_lock_init(&priv->driver_lock); |
| |
| init_waitqueue_head(&priv->main_thread.wait_q); |
| priv->main_thread.task = kthread_run(btmrvl_service_main_thread, |
| &priv->main_thread, "btmrvl_main_service"); |
| |
| priv->btmrvl_dev.card = card; |
| priv->btmrvl_dev.tx_dnld_rdy = true; |
| |
| return priv; |
| |
| err_adapter: |
| kfree(priv); |
| |
| err_priv: |
| return NULL; |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_add_card); |
| |
| int btmrvl_remove_card(struct btmrvl_private *priv) |
| { |
| struct hci_dev *hdev; |
| |
| hdev = priv->btmrvl_dev.hcidev; |
| |
| wake_up_interruptible(&priv->adapter->cmd_wait_q); |
| |
| kthread_stop(priv->main_thread.task); |
| |
| #ifdef CONFIG_DEBUG_FS |
| btmrvl_debugfs_remove(hdev); |
| #endif |
| |
| hci_unregister_dev(hdev); |
| |
| hci_free_dev(hdev); |
| |
| priv->btmrvl_dev.hcidev = NULL; |
| |
| btmrvl_free_adapter(priv); |
| |
| kfree(priv); |
| |
| return 0; |
| } |
| EXPORT_SYMBOL_GPL(btmrvl_remove_card); |
| |
| MODULE_AUTHOR("Marvell International Ltd."); |
| MODULE_DESCRIPTION("Marvell Bluetooth driver ver " VERSION); |
| MODULE_VERSION(VERSION); |
| MODULE_LICENSE("GPL v2"); |