ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/linux/drivers/bluetooth/btmrvl_main.c b/marvell/linux/drivers/bluetooth/btmrvl_main.c
new file mode 100644
index 0000000..708ad21
--- /dev/null
+++ b/marvell/linux/drivers/bluetooth/btmrvl_main.c
@@ -0,0 +1,795 @@
+/**
+ * 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 <linux/of.h>
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <linux/mmc/sdio_func.h>
+
+#include "btmrvl_drv.h"
+#include "btmrvl_sdio.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++;
+
+ if (priv->adapter->hs_state == HS_ACTIVATED) {
+ BT_DBG("BT: HS DEACTIVATED in ISR!");
+ priv->adapter->hs_state = HS_DEACTIVATED;
+ }
+
+ 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;
+
+ ec = (void *) (skb->data + HCI_EVENT_HDR_SIZE);
+ opcode = __le16_to_cpu(ec->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 (hci_opcode_ogf(opcode) == 0x3F) {
+ BT_DBG("vendor event skipped: opcode=%#4.4x",
+ opcode);
+ 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_EVENT_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_EVENT_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_EVENT_HOST_SLEEP_ENABLE:
+ if (!event->data[1]) {
+ adapter->hs_state = HS_ACTIVATED;
+ if (adapter->psmode)
+ adapter->ps_state = PS_SLEEP;
+ wake_up_interruptible(&adapter->event_hs_wait_q);
+ BT_DBG("HS ACTIVATED!");
+ } else {
+ BT_DBG("HS Enable failed");
+ }
+ break;
+
+ case BT_EVENT_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_PRIMARY;
+
+ 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 opcode,
+ const void *param, u8 len)
+{
+ struct sk_buff *skb;
+ struct hci_command_hdr *hdr;
+
+ if (priv->surprise_removed) {
+ BT_ERR("Card is removed");
+ return -EFAULT;
+ }
+
+ skb = bt_skb_alloc(HCI_COMMAND_HDR_SIZE + len, GFP_KERNEL);
+ if (!skb) {
+ BT_ERR("No free skb");
+ return -ENOMEM;
+ }
+
+ hdr = skb_put(skb, HCI_COMMAND_HDR_SIZE);
+ hdr->opcode = cpu_to_le16(opcode);
+ hdr->plen = len;
+
+ if (len)
+ skb_put_data(skb, param, len);
+
+ hci_skb_pkt_type(skb) = MRVL_VENDOR_PKT;
+
+ 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 ||
+ priv->surprise_removed,
+ WAIT_UNTIL_CMD_RESP))
+ return -ETIMEDOUT;
+
+ if (priv->surprise_removed)
+ return -EFAULT;
+
+ return 0;
+}
+
+int btmrvl_send_module_cfg_cmd(struct btmrvl_private *priv, u8 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", subcmd);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(btmrvl_send_module_cfg_cmd);
+
+static int btmrvl_enable_sco_routing_to_host(struct btmrvl_private *priv)
+{
+ int ret;
+ u8 subcmd = 0;
+
+ ret = btmrvl_send_sync_cmd(priv, BT_CMD_ROUTE_SCO_TO_HOST, &subcmd, 1);
+ if (ret)
+ BT_ERR("BT_CMD_ROUTE_SCO_TO_HOST command failed: %#x", ret);
+
+ return ret;
+}
+
+int btmrvl_pscan_window_reporting(struct btmrvl_private *priv, u8 subcmd)
+{
+ struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
+ int ret;
+
+ if (!card->support_pscan_win_report)
+ return 0;
+
+ ret = btmrvl_send_sync_cmd(priv, BT_CMD_PSCAN_WIN_REPORT_ENABLE,
+ &subcmd, 1);
+ if (ret)
+ BT_ERR("PSCAN_WIN_REPORT_ENABLE command failed: %#x", ret);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(btmrvl_pscan_window_reporting);
+
+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");
+
+ 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");
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(btmrvl_enable_ps);
+
+int btmrvl_enable_hs(struct btmrvl_private *priv)
+{
+ struct btmrvl_adapter *adapter = priv->adapter;
+ int ret;
+
+ ret = btmrvl_send_sync_cmd(priv, BT_CMD_HOST_SLEEP_ENABLE, NULL, 0);
+ if (ret) {
+ BT_ERR("Host sleep enable command failed");
+ return ret;
+ }
+
+ ret = wait_event_interruptible_timeout(adapter->event_hs_wait_q,
+ adapter->hs_state ||
+ priv->surprise_removed,
+ WAIT_UNTIL_HS_STATE_CHANGED);
+ if (ret < 0 || priv->surprise_removed) {
+ BT_ERR("event_hs_wait_q terminated (%d): %d,%d,%d",
+ ret, adapter->hs_state, adapter->ps_state,
+ adapter->wakeup_tries);
+ } else if (!ret) {
+ BT_ERR("hs_enable timeout: %d,%d,%d", adapter->hs_state,
+ adapter->ps_state, adapter->wakeup_tries);
+ ret = -ETIMEDOUT;
+ } else {
+ BT_DBG("host sleep enabled: %d,%d,%d", adapter->hs_state,
+ adapter->ps_state, adapter->wakeup_tries);
+ ret = 0;
+ }
+
+ 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;
+ BT_DBG("BT: HS DEACTIVATED due to host activity!");
+ }
+ }
+
+ 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;
+ }
+
+ 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] = hci_skb_pkt_type(skb);
+
+ 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)
+{
+ int buf_size;
+
+ skb_queue_head_init(&priv->adapter->tx_queue);
+
+ priv->adapter->ps_state = PS_AWAKE;
+
+ buf_size = ALIGN_SZ(SDIO_BLOCK_SIZE, BTSDIO_DMA_ALIGN);
+ priv->adapter->hw_regs_buf = kzalloc(buf_size, GFP_KERNEL);
+ if (!priv->adapter->hw_regs_buf) {
+ priv->adapter->hw_regs = NULL;
+ BT_ERR("Unable to allocate buffer for hw_regs.");
+ } else {
+ priv->adapter->hw_regs =
+ (u8 *)ALIGN_ADDR(priv->adapter->hw_regs_buf,
+ BTSDIO_DMA_ALIGN);
+ BT_DBG("hw_regs_buf=%p hw_regs=%p",
+ priv->adapter->hw_regs_buf, priv->adapter->hw_regs);
+ }
+
+ init_waitqueue_head(&priv->adapter->cmd_wait_q);
+ init_waitqueue_head(&priv->adapter->event_hs_wait_q);
+}
+
+static void btmrvl_free_adapter(struct btmrvl_private *priv)
+{
+ skb_queue_purge(&priv->adapter->tx_queue);
+
+ kfree(priv->adapter->hw_regs_buf);
+ kfree(priv->adapter);
+
+ priv->adapter = NULL;
+}
+
+static int btmrvl_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct btmrvl_private *priv = hci_get_drvdata(hdev);
+
+ BT_DBG("type=%d, len=%d", hci_skb_pkt_type(skb), skb->len);
+
+ if (priv->adapter->is_suspending || priv->adapter->is_suspended) {
+ BT_ERR("%s: Device is suspending or suspended", __func__);
+ return -EBUSY;
+ }
+
+ switch (hci_skb_pkt_type(skb)) {
+ 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);
+
+ if (!priv->adapter->is_suspended)
+ 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);
+
+ skb_queue_purge(&priv->adapter->tx_queue);
+
+ return 0;
+}
+
+static int btmrvl_open(struct hci_dev *hdev)
+{
+ return 0;
+}
+
+static int btmrvl_download_cal_data(struct btmrvl_private *priv,
+ u8 *data, int len)
+{
+ int ret;
+
+ data[0] = 0x00;
+ data[1] = 0x00;
+ data[2] = 0x00;
+ data[3] = len;
+
+ print_hex_dump_bytes("Calibration data: ",
+ DUMP_PREFIX_OFFSET, data, BT_CAL_HDR_LEN + len);
+
+ ret = btmrvl_send_sync_cmd(priv, BT_CMD_LOAD_CONFIG_DATA, data,
+ BT_CAL_HDR_LEN + len);
+ if (ret)
+ BT_ERR("Failed to download calibration data");
+
+ return 0;
+}
+
+static int btmrvl_check_device_tree(struct btmrvl_private *priv)
+{
+ struct device_node *dt_node;
+ struct btmrvl_sdio_card *card = priv->btmrvl_dev.card;
+ u8 cal_data[BT_CAL_HDR_LEN + BT_CAL_DATA_SIZE];
+ int ret = 0;
+ u16 gpio, gap;
+
+ if (card->plt_of_node) {
+ dt_node = card->plt_of_node;
+ ret = of_property_read_u16(dt_node, "marvell,wakeup-pin",
+ &gpio);
+ if (ret)
+ gpio = (priv->btmrvl_dev.gpio_gap & 0xff00) >> 8;
+
+ ret = of_property_read_u16(dt_node, "marvell,wakeup-gap-ms",
+ &gap);
+ if (ret)
+ gap = (u8)(priv->btmrvl_dev.gpio_gap & 0x00ff);
+
+ priv->btmrvl_dev.gpio_gap = (gpio << 8) + gap;
+
+ ret = of_property_read_u8_array(dt_node, "marvell,cal-data",
+ cal_data + BT_CAL_HDR_LEN,
+ BT_CAL_DATA_SIZE);
+ if (ret)
+ return ret;
+
+ BT_DBG("Use cal data from device tree");
+ ret = btmrvl_download_cal_data(priv, cal_data,
+ BT_CAL_DATA_SIZE);
+ if (ret)
+ BT_ERR("Fail to download calibrate data");
+ }
+
+ return ret;
+}
+
+static int btmrvl_setup(struct hci_dev *hdev)
+{
+ struct btmrvl_private *priv = hci_get_drvdata(hdev);
+ int ret;
+
+ ret = btmrvl_send_module_cfg_cmd(priv, MODULE_BRINGUP_REQ);
+ if (ret)
+ return ret;
+
+ priv->btmrvl_dev.gpio_gap = 0xfffe;
+
+ btmrvl_check_device_tree(priv);
+
+ btmrvl_enable_sco_routing_to_host(priv);
+
+ btmrvl_pscan_window_reporting(priv, 0x01);
+
+ priv->btmrvl_dev.psmode = 1;
+ btmrvl_enable_ps(priv);
+
+ btmrvl_send_hscfg_cmd(priv);
+
+ return 0;
+}
+
+static int btmrvl_set_bdaddr(struct hci_dev *hdev, const bdaddr_t *bdaddr)
+{
+ struct sk_buff *skb;
+ long ret;
+ u8 buf[8];
+
+ buf[0] = MRVL_VENDOR_PKT;
+ buf[1] = sizeof(bdaddr_t);
+ memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
+
+ skb = __hci_cmd_sync(hdev, BT_CMD_SET_BDADDR, sizeof(buf), buf,
+ HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ ret = PTR_ERR(skb);
+ BT_ERR("%s: changing btmrvl device address failed (%ld)",
+ hdev->name, ret);
+ return ret;
+ }
+ kfree_skb(skb);
+
+ 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_entry_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() || priv->surprise_removed) {
+ 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");
+
+ if (kthread_should_stop() || priv->surprise_removed) {
+ BT_DBG("main_thread: break from main thread");
+ break;
+ }
+
+ 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 ||
+ priv->adapter->is_suspended)
+ 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->set_bdaddr = btmrvl_set_bdaddr;
+
+ 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");
+ if (IS_ERR(priv->main_thread.task))
+ goto err_thread;
+
+ priv->btmrvl_dev.card = card;
+ priv->btmrvl_dev.tx_dnld_rdy = true;
+
+ return priv;
+
+err_thread:
+ btmrvl_free_adapter(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);
+ wake_up_interruptible(&priv->adapter->event_hs_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");