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firmware/br-ext-chip-ingenic/board/t40/kernel/patches/00000-drivers_bluetooth_rtk...

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diff -drupN a/drivers/bluetooth/rtk_coex.c b/drivers/bluetooth/rtk_coex.c
--- a/drivers/bluetooth/rtk_coex.c 1970-01-01 03:00:00.000000000 +0300
+++ b/drivers/bluetooth/rtk_coex.c 2022-06-09 05:02:28.000000000 +0300
@@ -0,0 +1,2626 @@
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/errno.h>
+#include <linux/skbuff.h>
+#include <linux/dcache.h>
+#include <linux/version.h>
+#include <net/sock.h>
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/l2cap.h>
+
+#include "rtk_coex.h"
+
+#if BTRTL_HCI_IF == BTRTL_HCIUSB
+#include <linux/usb.h>
+#include "rtk_bt.h"
+#undef RTKBT_DBG
+#undef RTKBT_INFO
+#undef RTKBT_WARN
+#undef RTKBT_ERR
+
+#elif BTRTL_HCI_IF == BTRTL_HCIUART
+/* #define HCI_VERSION_CODE KERNEL_VERSION(3, 14, 41) */
+#define HCI_VERSION_CODE LINUX_VERSION_CODE
+
+#else
+#error "Please set type of HCI interface"
+#endif
+
+#define RTK_VERSION "1.2"
+
+#define RTKBT_DBG(fmt, arg...) printk(KERN_INFO "rtk_btcoex: " fmt "\n" , ## arg)
+#define RTKBT_INFO(fmt, arg...) printk(KERN_INFO "rtk_btcoex: " fmt "\n" , ## arg)
+#define RTKBT_WARN(fmt, arg...) printk(KERN_WARNING "rtk_btcoex: " fmt "\n", ## arg)
+#define RTKBT_ERR(fmt, arg...) printk(KERN_WARNING "rtk_btcoex: " fmt "\n", ## arg)
+
+static struct rtl_coex_struct btrtl_coex;
+
+#define is_profile_connected(profile) ((btrtl_coex.profile_bitmap & BIT(profile)) > 0)
+#define is_profile_busy(profile) ((btrtl_coex.profile_status & BIT(profile)) > 0)
+
+static void rtk_handle_event_from_wifi(uint8_t * msg);
+static void count_a2dp_packet_timeout(unsigned long data);
+static void count_pan_packet_timeout(unsigned long data);
+static void count_hogp_packet_timeout(unsigned long data);
+
+static int rtl_alloc_buff(struct rtl_coex_struct *coex)
+{
+ struct rtl_hci_ev *ev;
+ struct rtl_l2_buff *l2;
+ int i;
+ int order;
+ unsigned long addr;
+ unsigned long addr2;
+ int ev_size;
+ int l2_size;
+ int n;
+
+ spin_lock_init(&coex->buff_lock);
+
+ INIT_LIST_HEAD(&coex->ev_used_list);
+ INIT_LIST_HEAD(&coex->ev_free_list);
+
+ INIT_LIST_HEAD(&coex->l2_used_list);
+ INIT_LIST_HEAD(&coex->l2_free_list);
+
+ n = NUM_RTL_HCI_EV * sizeof(struct rtl_hci_ev);
+ ev_size = ALIGN(n, sizeof(unsigned long));
+
+ n = L2_MAX_PKTS * sizeof(struct rtl_l2_buff);
+ l2_size = ALIGN(n, sizeof(unsigned long));
+
+ RTKBT_DBG("alloc buffers %d, %d for ev and l2", ev_size, l2_size);
+
+ order = get_order(ev_size + l2_size);
+ addr = __get_free_pages(GFP_KERNEL, order);
+ if (!addr) {
+ RTKBT_ERR("failed to alloc buffers for ev and l2.");
+ return -ENOMEM;
+ }
+ memset((void *)addr, 0, ev_size + l2_size);
+
+ coex->pages_addr = addr;
+ coex->buff_size = ev_size + l2_size;
+
+ ev = (struct rtl_hci_ev *)addr;
+ for (i = 0; i < NUM_RTL_HCI_EV; i++) {
+ list_add_tail(&ev->list, &coex->ev_free_list);
+ ev++;
+ }
+
+ addr2 = addr + ev_size;
+ l2 = (struct rtl_l2_buff *)addr2;
+ for (i = 0; i < L2_MAX_PKTS; i++) {
+ list_add_tail(&l2->list, &coex->l2_free_list);
+ l2++;
+ }
+
+ return 0;
+}
+
+static void rtl_free_buff(struct rtl_coex_struct *coex)
+{
+ struct rtl_hci_ev *ev;
+ struct rtl_l2_buff *l2;
+ unsigned long flags;
+
+ spin_lock_irqsave(&coex->buff_lock, flags);
+
+ while (!list_empty(&coex->ev_used_list)) {
+ ev = list_entry(coex->ev_used_list.next, struct rtl_hci_ev,
+ list);
+ list_del(&ev->list);
+ }
+
+ while (!list_empty(&coex->ev_free_list)) {
+ ev = list_entry(coex->ev_free_list.next, struct rtl_hci_ev,
+ list);
+ list_del(&ev->list);
+ }
+
+ while (!list_empty(&coex->l2_used_list)) {
+ l2 = list_entry(coex->l2_used_list.next, struct rtl_l2_buff,
+ list);
+ list_del(&l2->list);
+ }
+
+ while (!list_empty(&coex->l2_free_list)) {
+ l2 = list_entry(coex->l2_free_list.next, struct rtl_l2_buff,
+ list);
+ list_del(&l2->list);
+ }
+
+ spin_unlock_irqrestore(&coex->buff_lock, flags);
+
+ if (coex->buff_size > 0) {
+ free_pages(coex->pages_addr, get_order(coex->buff_size));
+ coex->pages_addr = 0;
+ coex->buff_size = 0;
+ }
+}
+
+static struct rtl_hci_ev *rtl_ev_node_get(struct rtl_coex_struct *coex)
+{
+ struct rtl_hci_ev *ev;
+ unsigned long flags;
+
+ if (!coex->buff_size)
+ return NULL;
+
+ spin_lock_irqsave(&coex->buff_lock, flags);
+ if (!list_empty(&coex->ev_free_list)) {
+ ev = list_entry(coex->ev_free_list.next, struct rtl_hci_ev,
+ list);
+ list_del(&ev->list);
+ } else
+ ev = NULL;
+ spin_unlock_irqrestore(&coex->buff_lock, flags);
+ return ev;
+}
+
+static int rtl_ev_node_to_used(struct rtl_coex_struct *coex,
+ struct rtl_hci_ev *ev)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&coex->buff_lock, flags);
+ list_add_tail(&ev->list, &coex->ev_used_list);
+ spin_unlock_irqrestore(&coex->buff_lock, flags);
+
+ return 0;
+}
+
+static struct rtl_l2_buff *rtl_l2_node_get(struct rtl_coex_struct *coex)
+{
+ struct rtl_l2_buff *l2;
+ unsigned long flags;
+
+ if (!coex->buff_size)
+ return NULL;
+
+ spin_lock_irqsave(&coex->buff_lock, flags);
+
+ if(!list_empty(&coex->l2_free_list)) {
+ l2 = list_entry(coex->l2_free_list.next, struct rtl_l2_buff,
+ list);
+ list_del(&l2->list);
+ } else
+ l2 = NULL;
+
+ spin_unlock_irqrestore(&coex->buff_lock, flags);
+ return l2;
+}
+
+static int rtl_l2_node_to_used(struct rtl_coex_struct *coex,
+ struct rtl_l2_buff *l2)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&coex->buff_lock, flags);
+ list_add_tail(&l2->list, &coex->l2_used_list);
+ spin_unlock_irqrestore(&coex->buff_lock, flags);
+
+ return 0;
+}
+
+static int8_t psm_to_profile_index(uint16_t psm)
+{
+ switch (psm) {
+ case PSM_AVCTP:
+ case PSM_SDP:
+ return -1; //ignore
+
+ case PSM_HID:
+ case PSM_HID_INT:
+ return profile_hid;
+
+ case PSM_AVDTP:
+ return profile_a2dp;
+
+ case PSM_PAN:
+ case PSM_OPP:
+ case PSM_FTP:
+ case PSM_BIP:
+ case PSM_RFCOMM:
+ return profile_pan;
+
+ default:
+ return profile_pan;
+ }
+}
+
+static rtk_conn_prof *find_connection_by_handle(struct rtl_coex_struct * coex,
+ uint16_t handle)
+{
+ struct list_head *head = &coex->conn_hash;
+ struct list_head *iter = NULL, *temp = NULL;
+ rtk_conn_prof *desc = NULL;
+
+ list_for_each_safe(iter, temp, head) {
+ desc = list_entry(iter, rtk_conn_prof, list);
+ if ((handle & 0xEFF) == desc->handle) {
+ return desc;
+ }
+ }
+ return NULL;
+}
+
+static rtk_conn_prof *allocate_connection_by_handle(uint16_t handle)
+{
+ rtk_conn_prof *phci_conn = NULL;
+ phci_conn = kmalloc(sizeof(rtk_conn_prof), GFP_ATOMIC);
+ if (phci_conn)
+ phci_conn->handle = handle;
+
+ return phci_conn;
+}
+
+static void init_connection_hash(struct rtl_coex_struct * coex)
+{
+ struct list_head *head = &coex->conn_hash;
+ INIT_LIST_HEAD(head);
+}
+
+static void add_connection_to_hash(struct rtl_coex_struct * coex,
+ rtk_conn_prof * desc)
+{
+ struct list_head *head = &coex->conn_hash;
+ list_add_tail(&desc->list, head);
+}
+
+static void delete_connection_from_hash(rtk_conn_prof * desc)
+{
+ if (desc) {
+ list_del(&desc->list);
+ kfree(desc);
+ }
+}
+
+static void flush_connection_hash(struct rtl_coex_struct * coex)
+{
+ struct list_head *head = &coex->conn_hash;
+ struct list_head *iter = NULL, *temp = NULL;
+ rtk_conn_prof *desc = NULL;
+
+ list_for_each_safe(iter, temp, head) {
+ desc = list_entry(iter, rtk_conn_prof, list);
+ if (desc) {
+ list_del(&desc->list);
+ kfree(desc);
+ }
+ }
+ //INIT_LIST_HEAD(head);
+}
+
+static void init_profile_hash(struct rtl_coex_struct * coex)
+{
+ struct list_head *head = &coex->profile_list;
+ INIT_LIST_HEAD(head);
+}
+
+static uint8_t list_allocate_add(uint16_t handle, uint16_t psm,
+ int8_t profile_index, uint16_t dcid,
+ uint16_t scid)
+{
+ rtk_prof_info *pprof_info = NULL;
+
+ if (profile_index < 0) {
+ RTKBT_ERR("PSM(0x%x) do not need parse", psm);
+ return FALSE;
+ }
+
+ pprof_info = kmalloc(sizeof(rtk_prof_info), GFP_ATOMIC);
+
+ if (NULL == pprof_info) {
+ RTKBT_ERR("list_allocate_add: allocate error");
+ return FALSE;
+ }
+
+ pprof_info->handle = handle;
+ pprof_info->psm = psm;
+ pprof_info->scid = scid;
+ pprof_info->dcid = dcid;
+ pprof_info->profile_index = profile_index;
+ list_add_tail(&(pprof_info->list), &(btrtl_coex.profile_list));
+
+ return TRUE;
+}
+
+static void delete_profile_from_hash(rtk_prof_info * desc)
+{
+ RTKBT_DBG("Delete profile: hndl 0x%04x, psm 0x%04x, dcid 0x%04x, "
+ "scid 0x%04x", desc->handle, desc->psm, desc->dcid,
+ desc->scid);
+ if (desc) {
+ list_del(&desc->list);
+ kfree(desc);
+ desc = NULL;
+ }
+}
+
+static void flush_profile_hash(struct rtl_coex_struct * coex)
+{
+ struct list_head *head = &coex->profile_list;
+ struct list_head *iter = NULL, *temp = NULL;
+ rtk_prof_info *desc = NULL;
+
+ spin_lock(&btrtl_coex.spin_lock_profile);
+ list_for_each_safe(iter, temp, head) {
+ desc = list_entry(iter, rtk_prof_info, list);
+ delete_profile_from_hash(desc);
+ }
+ //INIT_LIST_HEAD(head);
+ spin_unlock(&btrtl_coex.spin_lock_profile);
+}
+
+static rtk_prof_info *find_profile_by_handle_scid(struct rtl_coex_struct *
+ coex, uint16_t handle,
+ uint16_t scid)
+{
+ struct list_head *head = &coex->profile_list;
+ struct list_head *iter = NULL, *temp = NULL;
+ rtk_prof_info *desc = NULL;
+
+ list_for_each_safe(iter, temp, head) {
+ desc = list_entry(iter, rtk_prof_info, list);
+ if (((handle & 0xFFF) == desc->handle) && (scid == desc->scid)) {
+ return desc;
+ }
+ }
+ return NULL;
+}
+
+static rtk_prof_info *find_profile_by_handle_dcid(struct rtl_coex_struct *
+ coex, uint16_t handle,
+ uint16_t dcid)
+{
+ struct list_head *head = &coex->profile_list;
+ struct list_head *iter = NULL, *temp = NULL;
+ rtk_prof_info *desc = NULL;
+
+ list_for_each_safe(iter, temp, head) {
+ desc = list_entry(iter, rtk_prof_info, list);
+ if (((handle & 0xFFF) == desc->handle) && (dcid == desc->dcid)) {
+ return desc;
+ }
+ }
+ return NULL;
+}
+
+static rtk_prof_info *find_profile_by_handle_dcid_scid(struct rtl_coex_struct
+ * coex, uint16_t handle,
+ uint16_t dcid,
+ uint16_t scid)
+{
+ struct list_head *head = &coex->profile_list;
+ struct list_head *iter = NULL, *temp = NULL;
+ rtk_prof_info *desc = NULL;
+
+ list_for_each_safe(iter, temp, head) {
+ desc = list_entry(iter, rtk_prof_info, list);
+ if (((handle & 0xFFF) == desc->handle) && (dcid == desc->dcid)
+ && (scid == desc->scid)) {
+ return desc;
+ }
+ }
+ return NULL;
+}
+
+static void rtk_vendor_cmd_to_fw(uint16_t opcode, uint8_t parameter_len,
+ uint8_t * parameter)
+{
+ int len = HCI_CMD_PREAMBLE_SIZE + parameter_len;
+ uint8_t *p;
+ struct sk_buff *skb;
+ struct hci_dev *hdev = btrtl_coex.hdev;
+
+ skb = bt_skb_alloc(len, GFP_ATOMIC);
+ if (!skb) {
+ RTKBT_DBG("there is no room for cmd 0x%x", opcode);
+ return;
+ }
+
+ p = (uint8_t *) skb_put(skb, HCI_CMD_PREAMBLE_SIZE);
+ UINT16_TO_STREAM(p, opcode);
+ *p++ = parameter_len;
+
+ if (parameter_len)
+ memcpy(skb_put(skb, parameter_len), parameter, parameter_len);
+
+ bt_cb(skb)->pkt_type = HCI_COMMAND_PKT;
+
+#if HCI_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)
+#if HCI_VERSION_CODE < KERNEL_VERSION(4, 4, 0)
+ bt_cb(skb)->opcode = opcode;
+#else
+ bt_cb(skb)->hci.opcode = opcode;
+#endif
+#endif
+
+ /* Stand-alone HCI commands must be flagged as
+ * single-command requests.
+ */
+#if HCI_VERSION_CODE >= KERNEL_VERSION(3, 10, 0)
+#if HCI_VERSION_CODE < KERNEL_VERSION(4, 4, 0)
+ bt_cb(skb)->req.start = true;
+#else
+
+#if HCI_VERSION_CODE < KERNEL_VERSION(4, 5, 0)
+ bt_cb(skb)->hci.req_start = true;
+#else
+
+ bt_cb(skb)->hci.req_flags |= HCI_REQ_START;
+#endif
+
+#endif /* 4.4.0 */
+#endif /* 3.10.0 */
+ RTKBT_DBG("%s: opcode 0x%x", __func__, opcode);
+
+ /* It is harmless if set skb->dev twice. The dev will be used in
+ * btusb_send_frame() after or equal to kernel/hci 3.13.0,
+ * the hdev will not come from skb->dev. */
+#if HCI_VERSION_CODE < KERNEL_VERSION(3, 13, 0)
+ skb->dev = (void *)btrtl_coex.hdev;
+#endif
+ /* Put the skb to the global hdev->cmd_q */
+ skb_queue_tail(&hdev->cmd_q, skb);
+
+#if HCI_VERSION_CODE < KERNEL_VERSION(3, 3, 0)
+ tasklet_schedule(&hdev->cmd_task);
+#else
+ queue_work(hdev->workqueue, &hdev->cmd_work);
+#endif
+
+ return;
+}
+
+static void rtk_notify_profileinfo_to_fw(void)
+{
+ struct list_head *head = NULL;
+ struct list_head *iter = NULL;
+ struct list_head *temp = NULL;
+ rtk_conn_prof *hci_conn = NULL;
+ uint8_t handle_number = 0;
+ uint32_t buffer_size = 0;
+ uint8_t *p_buf = NULL;
+ uint8_t *p = NULL;
+
+ head = &btrtl_coex.conn_hash;
+ list_for_each_safe(iter, temp, head) {
+ hci_conn = list_entry(iter, rtk_conn_prof, list);
+ if (hci_conn && hci_conn->profile_bitmap)
+ handle_number++;
+ }
+
+ buffer_size = 1 + handle_number * 3 + 1;
+
+ p_buf = kmalloc(buffer_size, GFP_ATOMIC);
+
+ if (NULL == p_buf) {
+ RTKBT_ERR("%s: alloc error", __func__);
+ return;
+ }
+ p = p_buf;
+
+ RTKBT_DBG("%s: BufferSize %u", __func__, buffer_size);
+ *p++ = handle_number;
+ RTKBT_DBG("%s: NumberOfHandles %u", __func__, handle_number);
+ head = &btrtl_coex.conn_hash;
+ list_for_each(iter, head) {
+ hci_conn = list_entry(iter, rtk_conn_prof, list);
+ if (hci_conn && hci_conn->profile_bitmap) {
+ UINT16_TO_STREAM(p, hci_conn->handle);
+ RTKBT_DBG("%s: handle 0x%04x", __func__,
+ hci_conn->handle);
+ *p++ = hci_conn->profile_bitmap;
+ RTKBT_DBG("%s: profile_bitmap 0x%02x", __func__,
+ hci_conn->profile_bitmap);
+ handle_number--;
+ }
+ if (0 == handle_number)
+ break;
+ }
+
+ *p++ = btrtl_coex.profile_status;
+ RTKBT_DBG("%s: profile_status 0x%02x", __func__,
+ btrtl_coex.profile_status);
+
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_SET_PROFILE_REPORT_COMMAND, buffer_size,
+ p_buf);
+
+ kfree(p_buf);
+ return;
+}
+
+static void rtk_check_setup_timer(int8_t profile_index)
+{
+ if (profile_index == profile_a2dp) {
+ btrtl_coex.a2dp_packet_count = 0;
+ setup_timer(&(btrtl_coex.a2dp_count_timer),
+ count_a2dp_packet_timeout, 0);
+ btrtl_coex.a2dp_count_timer.expires =
+ jiffies + msecs_to_jiffies(1000);
+ add_timer(&(btrtl_coex.a2dp_count_timer));
+ }
+
+ if (profile_index == profile_pan) {
+ btrtl_coex.pan_packet_count = 0;
+ setup_timer(&(btrtl_coex.pan_count_timer),
+ count_pan_packet_timeout, 0);
+ btrtl_coex.pan_count_timer.expires =
+ jiffies + msecs_to_jiffies(1000);
+ add_timer(&(btrtl_coex.pan_count_timer));
+ }
+
+ /* hogp & voice share one timer now */
+ if ((profile_index == profile_hogp) || (profile_index == profile_voice)) {
+ if ((0 == btrtl_coex.profile_refcount[profile_hogp])
+ && (0 == btrtl_coex.profile_refcount[profile_voice])) {
+ btrtl_coex.hogp_packet_count = 0;
+ btrtl_coex.voice_packet_count = 0;
+ setup_timer(&(btrtl_coex.hogp_count_timer),
+ count_hogp_packet_timeout, 0);
+ btrtl_coex.hogp_count_timer.expires =
+ jiffies + msecs_to_jiffies(1000);
+ add_timer(&(btrtl_coex.hogp_count_timer));
+ }
+ }
+}
+
+static void rtk_check_del_timer(int8_t profile_index)
+{
+ if (profile_a2dp == profile_index) {
+ btrtl_coex.a2dp_packet_count = 0;
+ del_timer(&(btrtl_coex.a2dp_count_timer));
+ }
+ if (profile_pan == profile_index) {
+ btrtl_coex.pan_packet_count = 0;
+ del_timer(&(btrtl_coex.pan_count_timer));
+ }
+ if (profile_hogp == profile_index) {
+ btrtl_coex.hogp_packet_count = 0;
+ if (btrtl_coex.profile_refcount[profile_voice] == 0) {
+ del_timer(&(btrtl_coex.hogp_count_timer));
+ }
+ }
+ if (profile_voice == profile_index) {
+ btrtl_coex.voice_packet_count = 0;
+ if (btrtl_coex.profile_refcount[profile_hogp] == 0) {
+ del_timer(&(btrtl_coex.hogp_count_timer));
+ }
+ }
+}
+
+static void update_profile_state(uint8_t profile_index, uint8_t is_busy)
+{
+ uint8_t need_update = FALSE;
+
+ if ((btrtl_coex.profile_bitmap & BIT(profile_index)) == 0) {
+ RTKBT_ERR("%s: : ERROR!!! profile(Index: %x) does not exist",
+ __func__, profile_index);
+ return;
+ }
+
+ if (is_busy) {
+ if ((btrtl_coex.profile_status & BIT(profile_index)) == 0) {
+ need_update = TRUE;
+ btrtl_coex.profile_status |= BIT(profile_index);
+ }
+ } else {
+ if ((btrtl_coex.profile_status & BIT(profile_index)) > 0) {
+ need_update = TRUE;
+ btrtl_coex.profile_status &= ~(BIT(profile_index));
+ }
+ }
+
+ if (need_update) {
+ RTKBT_DBG("%s: btrtl_coex.profie_bitmap = %x",
+ __func__, btrtl_coex.profile_bitmap);
+ RTKBT_DBG("%s: btrtl_coex.profile_status = %x",
+ __func__, btrtl_coex.profile_status);
+ rtk_notify_profileinfo_to_fw();
+ }
+}
+
+static void update_profile_connection(rtk_conn_prof * phci_conn,
+ int8_t profile_index, uint8_t is_add)
+{
+ uint8_t need_update = FALSE;
+ uint8_t kk;
+
+ RTKBT_DBG("%s: is_add %d, profile_index %x", __func__,
+ is_add, profile_index);
+ if (profile_index < 0)
+ return;
+
+ if (is_add) {
+ if (btrtl_coex.profile_refcount[profile_index] == 0) {
+ need_update = TRUE;
+ btrtl_coex.profile_bitmap |= BIT(profile_index);
+
+ /* SCO is always busy */
+ if (profile_index == profile_sco)
+ btrtl_coex.profile_status |=
+ BIT(profile_index);
+
+ rtk_check_setup_timer(profile_index);
+ }
+ btrtl_coex.profile_refcount[profile_index]++;
+
+ if (0 == phci_conn->profile_refcount[profile_index]) {
+ need_update = TRUE;
+ phci_conn->profile_bitmap |= BIT(profile_index);
+ }
+ phci_conn->profile_refcount[profile_index]++;
+ } else {
+ btrtl_coex.profile_refcount[profile_index]--;
+ RTKBT_DBG("%s: btrtl_coex.profile_refcount[%x] = %x",
+ __func__, profile_index,
+ btrtl_coex.profile_refcount[profile_index]);
+ if (btrtl_coex.profile_refcount[profile_index] == 0) {
+ need_update = TRUE;
+ btrtl_coex.profile_bitmap &= ~(BIT(profile_index));
+
+ /* if profile does not exist, status is meaningless */
+ btrtl_coex.profile_status &= ~(BIT(profile_index));
+ rtk_check_del_timer(profile_index);
+ }
+
+ phci_conn->profile_refcount[profile_index]--;
+ if (0 == phci_conn->profile_refcount[profile_index]) {
+ need_update = TRUE;
+ phci_conn->profile_bitmap &= ~(BIT(profile_index));
+
+ /* clear profile_hid_interval if need */
+ if ((profile_hid == profile_index)
+ && (phci_conn->
+ profile_bitmap & (BIT(profile_hid_interval)))) {
+ phci_conn->profile_bitmap &=
+ ~(BIT(profile_hid_interval));
+ btrtl_coex.
+ profile_refcount[profile_hid_interval]--;
+ }
+ }
+ }
+
+ RTKBT_DBG("%s: btrtl_coex.profile_bitmap 0x%02x", __func__,
+ btrtl_coex.profile_bitmap);
+ for (kk = 0; kk < 8; kk++)
+ RTKBT_DBG("%s: btrtl_coex.profile_refcount[%d] = %d",
+ __func__, kk,
+ btrtl_coex.profile_refcount[kk]);
+
+ if (need_update)
+ rtk_notify_profileinfo_to_fw();
+}
+
+static void update_hid_active_state(uint16_t handle, uint16_t interval)
+{
+ uint8_t need_update = 0;
+ rtk_conn_prof *phci_conn =
+ find_connection_by_handle(&btrtl_coex, handle);
+
+ if (phci_conn == NULL)
+ return;
+
+ RTKBT_DBG("%s: handle 0x%04x, interval %u", __func__, handle, interval);
+ if (((phci_conn->profile_bitmap) & (BIT(profile_hid))) == 0) {
+ RTKBT_DBG("HID not connected, nothing to be down");
+ return;
+ }
+
+ if (interval < 60) {
+ if ((phci_conn->profile_bitmap & (BIT(profile_hid_interval))) ==
+ 0) {
+ need_update = 1;
+ phci_conn->profile_bitmap |= BIT(profile_hid_interval);
+
+ btrtl_coex.profile_refcount[profile_hid_interval]++;
+ if (btrtl_coex.
+ profile_refcount[profile_hid_interval] == 1)
+ btrtl_coex.profile_status |=
+ BIT(profile_hid);
+ }
+ } else {
+ if ((phci_conn->profile_bitmap & (BIT(profile_hid_interval)))) {
+ need_update = 1;
+ phci_conn->profile_bitmap &=
+ ~(BIT(profile_hid_interval));
+
+ btrtl_coex.profile_refcount[profile_hid_interval]--;
+ if (btrtl_coex.
+ profile_refcount[profile_hid_interval] == 0)
+ btrtl_coex.profile_status &=
+ ~(BIT(profile_hid));
+ }
+ }
+
+ if (need_update)
+ rtk_notify_profileinfo_to_fw();
+}
+
+static uint8_t handle_l2cap_con_req(uint16_t handle, uint16_t psm,
+ uint16_t scid, uint8_t direction)
+{
+ uint8_t status = FALSE;
+ rtk_prof_info *prof_info = NULL;
+ int8_t profile_index = psm_to_profile_index(psm);
+
+ if (profile_index < 0) {
+ RTKBT_DBG("PSM(0x%04x) do not need parse", psm);
+ return status;
+ }
+
+ spin_lock(&btrtl_coex.spin_lock_profile);
+ if (direction) //1: out
+ prof_info =
+ find_profile_by_handle_scid(&btrtl_coex, handle, scid);
+ else // 0:in
+ prof_info =
+ find_profile_by_handle_dcid(&btrtl_coex, handle, scid);
+
+ if (prof_info) {
+ RTKBT_DBG("%s: this profile is already exist!", __func__);
+ spin_unlock(&btrtl_coex.spin_lock_profile);
+ return status;
+ }
+
+ if (direction) //1: out
+ status = list_allocate_add(handle, psm, profile_index, 0, scid);
+ else // 0:in
+ status = list_allocate_add(handle, psm, profile_index, scid, 0);
+
+ spin_unlock(&btrtl_coex.spin_lock_profile);
+
+ if (!status)
+ RTKBT_ERR("%s: list_allocate_add failed!", __func__);
+
+ return status;
+}
+
+static uint8_t handle_l2cap_con_rsp(uint16_t handle, uint16_t dcid,
+ uint16_t scid, uint8_t direction,
+ uint8_t result)
+{
+ rtk_prof_info *prof_info = NULL;
+ rtk_conn_prof *phci_conn = NULL;
+
+ spin_lock(&btrtl_coex.spin_lock_profile);
+ if (!direction) //0, in
+ prof_info =
+ find_profile_by_handle_scid(&btrtl_coex, handle, scid);
+ else //1, out
+ prof_info =
+ find_profile_by_handle_dcid(&btrtl_coex, handle, scid);
+
+ if (!prof_info) {
+ //RTKBT_DBG("handle_l2cap_con_rsp: prof_info Not Find!!");
+ spin_unlock(&btrtl_coex.spin_lock_profile);
+ return FALSE;
+ }
+
+ if (!result) { //success
+ RTKBT_DBG("l2cap connection success, update connection");
+ if (!direction) //0, in
+ prof_info->dcid = dcid;
+ else //1, out
+ prof_info->scid = dcid;
+
+ phci_conn = find_connection_by_handle(&btrtl_coex, handle);
+ if (phci_conn)
+ update_profile_connection(phci_conn,
+ prof_info->profile_index,
+ TRUE);
+ }
+
+ spin_unlock(&btrtl_coex.spin_lock_profile);
+ return TRUE;
+}
+
+static uint8_t handle_l2cap_discon_req(uint16_t handle, uint16_t dcid,
+ uint16_t scid, uint8_t direction)
+{
+ rtk_prof_info *prof_info = NULL;
+ rtk_conn_prof *phci_conn = NULL;
+ RTKBT_DBG("%s: handle 0x%04x, dcid 0x%04x, scid 0x%04x, dir %u",
+ __func__, handle, dcid, scid, direction);
+
+ spin_lock(&btrtl_coex.spin_lock_profile);
+ if (!direction) //0: in
+ prof_info =
+ find_profile_by_handle_dcid_scid(&btrtl_coex, handle,
+ scid, dcid);
+ else //1: out
+ prof_info =
+ find_profile_by_handle_dcid_scid(&btrtl_coex, handle,
+ dcid, scid);
+
+ if (!prof_info) {
+ //LogMsg("handle_l2cap_discon_req: prof_info Not Find!");
+ spin_unlock(&btrtl_coex.spin_lock_profile);
+ return 0;
+ }
+
+ phci_conn = find_connection_by_handle(&btrtl_coex, handle);
+ if (!phci_conn) {
+ spin_unlock(&btrtl_coex.spin_lock_profile);
+ return 0;
+ }
+
+ update_profile_connection(phci_conn, prof_info->profile_index, FALSE);
+ delete_profile_from_hash(prof_info);
+ spin_unlock(&btrtl_coex.spin_lock_profile);
+
+ return 1;
+}
+
+static const char sample_freqs[4][8] = {
+ "16", "32", "44.1", "48"
+};
+
+static const uint8_t sbc_blocks[4] = { 4, 8, 12, 16 };
+
+static const char chan_modes[4][16] = {
+ "MONO", "DUAL_CHANNEL", "STEREO", "JOINT_STEREO"
+};
+
+static const char alloc_methods[2][12] = {
+ "LOUDNESS", "SNR"
+};
+
+static const uint8_t subbands[2] = { 4, 8 };
+
+void print_sbc_header(struct sbc_frame_hdr *hdr)
+{
+ RTKBT_DBG("syncword: %02x", hdr->syncword);
+ RTKBT_DBG("freq %skHz", sample_freqs[hdr->sampling_frequency]);
+ RTKBT_DBG("blocks %u", sbc_blocks[hdr->blocks]);
+ RTKBT_DBG("channel mode %s", chan_modes[hdr->channel_mode]);
+ RTKBT_DBG("allocation method %s",
+ alloc_methods[hdr->allocation_method]);
+ RTKBT_DBG("subbands %u", subbands[hdr->subbands]);
+}
+
+static void packets_count(uint16_t handle, uint16_t scid, uint16_t length,
+ uint8_t direction, u8 *user_data)
+{
+ rtk_prof_info *prof_info = NULL;
+
+ rtk_conn_prof *hci_conn =
+ find_connection_by_handle(&btrtl_coex, handle);
+ if (NULL == hci_conn)
+ return;
+
+ if (0 == hci_conn->type) {
+ if (!direction) //0: in
+ prof_info =
+ find_profile_by_handle_scid(&btrtl_coex, handle,
+ scid);
+ else //1: out
+ prof_info =
+ find_profile_by_handle_dcid(&btrtl_coex, handle,
+ scid);
+
+ if (!prof_info) {
+ //RTKBT_DBG("packets_count: prof_info Not Find!");
+ return;
+ }
+
+ if ((prof_info->profile_index == profile_a2dp) && (length > 100)) { //avdtp media data
+ if (!is_profile_busy(profile_a2dp)) {
+ struct sbc_frame_hdr *sbc_header;
+ struct rtp_header *rtph;
+ u8 bitpool;
+ update_profile_state(profile_a2dp, TRUE);
+ rtph = (struct rtp_header *)user_data;
+
+ RTKBT_DBG("rtp: v %u, cc %u, pt %u",
+ rtph->v, rtph->cc, rtph->pt);
+ /* move forward */
+ user_data += sizeof(struct rtp_header) +
+ rtph->cc * 4 + 1;
+
+ /* point to the sbc frame header */
+ sbc_header = (struct sbc_frame_hdr *)user_data;
+ bitpool = sbc_header->bitpool;
+
+ print_sbc_header(sbc_header);
+
+ RTKBT_DBG("bitpool %u", bitpool);
+
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_SET_BITPOOL,
+ 1, &bitpool);
+ }
+ btrtl_coex.a2dp_packet_count++;
+ }
+
+ if (prof_info->profile_index == profile_pan)
+ btrtl_coex.pan_packet_count++;
+ }
+}
+
+static void count_a2dp_packet_timeout(unsigned long data)
+{
+ RTKBT_DBG("%s: a2dp_packet_count %d", __func__,
+ btrtl_coex.a2dp_packet_count);
+ if (btrtl_coex.a2dp_packet_count == 0) {
+ if (is_profile_busy(profile_a2dp)) {
+ RTKBT_DBG("%s: a2dp busy->idle!", __func__);
+ update_profile_state(profile_a2dp, FALSE);
+ }
+ }
+ btrtl_coex.a2dp_packet_count = 0;
+ mod_timer(&(btrtl_coex.a2dp_count_timer),
+ jiffies + msecs_to_jiffies(1000));
+}
+
+static void count_pan_packet_timeout(unsigned long data)
+{
+ RTKBT_DBG("%s: pan_packet_count %d", __func__,
+ btrtl_coex.pan_packet_count);
+ if (btrtl_coex.pan_packet_count < PAN_PACKET_COUNT) {
+ if (is_profile_busy(profile_pan)) {
+ RTKBT_DBG("%s: pan busy->idle!", __func__);
+ update_profile_state(profile_pan, FALSE);
+ }
+ } else {
+ if (!is_profile_busy(profile_pan)) {
+ RTKBT_DBG("timeout_handler: pan idle->busy!");
+ update_profile_state(profile_pan, TRUE);
+ }
+ }
+ btrtl_coex.pan_packet_count = 0;
+ mod_timer(&(btrtl_coex.pan_count_timer),
+ jiffies + msecs_to_jiffies(1000));
+}
+
+static void count_hogp_packet_timeout(unsigned long data)
+{
+ RTKBT_DBG("%s: hogp_packet_count %d", __func__,
+ btrtl_coex.hogp_packet_count);
+ if (btrtl_coex.hogp_packet_count == 0) {
+ if (is_profile_busy(profile_hogp)) {
+ RTKBT_DBG("%s: hogp busy->idle!", __func__);
+ update_profile_state(profile_hogp, FALSE);
+ }
+ }
+ btrtl_coex.hogp_packet_count = 0;
+
+ RTKBT_DBG("%s: voice_packet_count %d", __func__,
+ btrtl_coex.voice_packet_count);
+ if (btrtl_coex.voice_packet_count == 0) {
+ if (is_profile_busy(profile_voice)) {
+ RTKBT_DBG("%s: voice busy->idle!", __func__);
+ update_profile_state(profile_voice, FALSE);
+ }
+ }
+ btrtl_coex.voice_packet_count = 0;
+ mod_timer(&(btrtl_coex.hogp_count_timer),
+ jiffies + msecs_to_jiffies(1000));
+}
+
+static int udpsocket_send(char *tx_msg, int msg_size)
+{
+ u8 error = 0;
+ struct msghdr udpmsg;
+ mm_segment_t oldfs;
+ struct iovec iov;
+
+ RTKBT_DBG("send msg %s with len:%d", tx_msg, msg_size);
+
+ if (btrtl_coex.sock_open) {
+ iov.iov_base = (void *)tx_msg;
+ iov.iov_len = msg_size;
+ udpmsg.msg_name = &btrtl_coex.wifi_addr;
+ udpmsg.msg_namelen = sizeof(struct sockaddr_in);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 19, 0)
+ udpmsg.msg_iov = &iov;
+ udpmsg.msg_iovlen = 1;
+#else
+ iov_iter_init(&udpmsg.msg_iter, WRITE, &iov, 1, msg_size);
+#endif
+ udpmsg.msg_control = NULL;
+ udpmsg.msg_controllen = 0;
+ udpmsg.msg_flags = MSG_DONTWAIT | MSG_NOSIGNAL;
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 1, 0)
+ error = sock_sendmsg(btrtl_coex.udpsock, &udpmsg, msg_size);
+#else
+ error = sock_sendmsg(btrtl_coex.udpsock, &udpmsg);
+#endif
+ set_fs(oldfs);
+
+ if (error < 0)
+ RTKBT_DBG("Error when sendimg msg, error:%d", error);
+ }
+
+ return error;
+}
+
+static void udpsocket_recv_data(void)
+{
+ u8 recv_data[512];
+ u32 len = 0;
+ u16 recv_length;
+ struct sk_buff *skb;
+
+ RTKBT_DBG("-");
+
+ spin_lock(&btrtl_coex.spin_lock_sock);
+ len = skb_queue_len(&btrtl_coex.sk->sk_receive_queue);
+
+ while (len > 0) {
+ skb = skb_dequeue(&btrtl_coex.sk->sk_receive_queue);
+
+ /*important: cut the udp header from skb->data! header length is 8 byte */
+ recv_length = skb->len - 8;
+ memset(recv_data, 0, sizeof(recv_data));
+ memcpy(recv_data, skb->data + 8, recv_length);
+ //RTKBT_DBG("received data: %s :with len %u", recv_data, recv_length);
+
+ rtk_handle_event_from_wifi(recv_data);
+
+ len--;
+ kfree_skb(skb);
+ }
+
+ spin_unlock(&btrtl_coex.spin_lock_sock);
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 15, 0)
+static void udpsocket_recv(struct sock *sk, int bytes)
+#else
+static void udpsocket_recv(struct sock *sk)
+#endif
+{
+ spin_lock(&btrtl_coex.spin_lock_sock);
+ btrtl_coex.sk = sk;
+ spin_unlock(&btrtl_coex.spin_lock_sock);
+ queue_delayed_work(btrtl_coex.sock_wq, &btrtl_coex.sock_work, 0);
+}
+
+static void create_udpsocket(void)
+{
+ int err;
+ RTKBT_DBG("%s: connect_port: %d", __func__, CONNECT_PORT);
+ btrtl_coex.sock_open = 0;
+
+ err = sock_create(AF_INET, SOCK_DGRAM, IPPROTO_UDP,
+ &btrtl_coex.udpsock);
+ if (err < 0) {
+ RTKBT_ERR("%s: sock create error, err = %d", __func__, err);
+ return;
+ }
+
+ memset(&btrtl_coex.addr, 0, sizeof(struct sockaddr_in));
+ btrtl_coex.addr.sin_family = AF_INET;
+ btrtl_coex.addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ btrtl_coex.addr.sin_port = htons(CONNECT_PORT);
+
+ memset(&btrtl_coex.wifi_addr, 0, sizeof(struct sockaddr_in));
+ btrtl_coex.wifi_addr.sin_family = AF_INET;
+ btrtl_coex.wifi_addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
+ btrtl_coex.wifi_addr.sin_port = htons(CONNECT_PORT_WIFI);
+
+ err =
+ btrtl_coex.udpsock->ops->bind(btrtl_coex.udpsock,
+ (struct sockaddr *)&btrtl_coex.
+ addr, sizeof(struct sockaddr));
+ if (err < 0) {
+ sock_release(btrtl_coex.udpsock);
+ RTKBT_ERR("%s: sock bind error, err = %d",__func__, err);
+ return;
+ }
+
+ btrtl_coex.sock_open = 1;
+ btrtl_coex.udpsock->sk->sk_data_ready = udpsocket_recv;
+}
+
+static void rtk_notify_extension_version_to_wifi(void)
+{
+ uint8_t para_length = 2;
+ char p_buf[para_length + HCI_CMD_PREAMBLE_SIZE];
+ char *p = p_buf;
+
+ if (!btrtl_coex.wifi_on)
+ return;
+
+ UINT16_TO_STREAM(p, HCI_OP_HCI_EXTENSION_VERSION_NOTIFY);
+ *p++ = para_length;
+ UINT16_TO_STREAM(p, HCI_EXTENSION_VERSION);
+ RTKBT_DBG("extension version is 0x%x", HCI_EXTENSION_VERSION);
+ if (udpsocket_send(p_buf, para_length + HCI_CMD_PREAMBLE_SIZE) < 0)
+ RTKBT_ERR("%s: sock send error", __func__);
+}
+
+static void rtk_notify_btpatch_version_to_wifi(void)
+{
+ uint8_t para_length = 4;
+ char p_buf[para_length + HCI_CMD_PREAMBLE_SIZE];
+ char *p = p_buf;
+
+ if (!btrtl_coex.wifi_on)
+ return;
+
+ UINT16_TO_STREAM(p, HCI_OP_HCI_BT_PATCH_VER_NOTIFY);
+ *p++ = para_length;
+ UINT16_TO_STREAM(p, btrtl_coex.hci_reversion);
+ UINT16_TO_STREAM(p, btrtl_coex.lmp_subversion);
+ RTKBT_DBG("btpatch ver: len %u, hci_rev 0x%04x, lmp_subver 0x%04x",
+ para_length, btrtl_coex.hci_reversion,
+ btrtl_coex.lmp_subversion);
+
+ if (udpsocket_send(p_buf, para_length + HCI_CMD_PREAMBLE_SIZE) < 0)
+ RTKBT_ERR("%s: sock send error", __func__);
+}
+
+static void rtk_notify_afhmap_to_wifi(void)
+{
+ uint8_t para_length = 13;
+ char p_buf[para_length + HCI_CMD_PREAMBLE_SIZE];
+ char *p = p_buf;
+ uint8_t kk = 0;
+
+ if (!btrtl_coex.wifi_on)
+ return;
+
+ UINT16_TO_STREAM(p, HCI_OP_HCI_BT_AFH_MAP_NOTIFY);
+ *p++ = para_length;
+ *p++ = btrtl_coex.piconet_id;
+ *p++ = btrtl_coex.mode;
+ *p++ = 10;
+ memcpy(p, btrtl_coex.afh_map, 10);
+
+ RTKBT_DBG("afhmap, piconet_id is 0x%x, map type is 0x%x",
+ btrtl_coex.piconet_id, btrtl_coex.mode);
+ for (kk = 0; kk < 10; kk++)
+ RTKBT_DBG("afhmap data[%d] is 0x%x", kk,
+ btrtl_coex.afh_map[kk]);
+
+ if (udpsocket_send(p_buf, para_length + HCI_CMD_PREAMBLE_SIZE) < 0)
+ RTKBT_ERR("%s: sock send error", __func__);
+}
+
+static void rtk_notify_btcoex_to_wifi(uint8_t opcode, uint8_t status)
+{
+ uint8_t para_length = 2;
+ char p_buf[para_length + HCI_CMD_PREAMBLE_SIZE];
+ char *p = p_buf;
+
+ if (!btrtl_coex.wifi_on)
+ return;
+
+ UINT16_TO_STREAM(p, HCI_OP_HCI_BT_COEX_NOTIFY);
+ *p++ = para_length;
+ *p++ = opcode;
+ if (!status)
+ *p++ = 0;
+ else
+ *p++ = 1;
+
+ RTKBT_DBG("btcoex, opcode is 0x%x, status is 0x%x", opcode, status);
+
+ if (udpsocket_send(p_buf, para_length + HCI_CMD_PREAMBLE_SIZE) < 0)
+ RTKBT_ERR("%s: sock send error", __func__);
+}
+
+static void rtk_notify_btoperation_to_wifi(uint8_t operation,
+ uint8_t append_data_length,
+ uint8_t * append_data)
+{
+ uint8_t para_length = 3 + append_data_length;
+ char p_buf[para_length + HCI_CMD_PREAMBLE_SIZE];
+ char *p = p_buf;
+ uint8_t kk = 0;
+
+ if (!btrtl_coex.wifi_on)
+ return;
+
+ UINT16_TO_STREAM(p, HCI_OP_BT_OPERATION_NOTIFY);
+ *p++ = para_length;
+ *p++ = operation;
+ *p++ = append_data_length;
+ if (append_data_length)
+ memcpy(p, append_data, append_data_length);
+
+ RTKBT_DBG("btoperation: op 0x%02x, append_data_length %u",
+ operation, append_data_length);
+ if (append_data_length) {
+ for (kk = 0; kk < append_data_length; kk++)
+ RTKBT_DBG("append data is 0x%x", *(append_data + kk));
+ }
+
+ if (udpsocket_send(p_buf, para_length + HCI_CMD_PREAMBLE_SIZE) < 0)
+ RTKBT_ERR("%s: sock send error", __func__);
+}
+
+static void rtk_notify_info_to_wifi(uint8_t reason, uint8_t length,
+ uint8_t *report_info)
+{
+ uint8_t para_length = 4 + length;
+ char buf[para_length + HCI_CMD_PREAMBLE_SIZE];
+ char *p = buf;
+ struct rtl_btinfo *report = (struct rtl_btinfo *)report_info;
+
+ if (length) {
+ RTKBT_DBG("bt info: cmd %2.2X", report->cmd);
+ RTKBT_DBG("bt info: len %2.2X", report->len);
+ RTKBT_DBG("bt info: data %2.2X %2.2X %2.2X %2.2X %2.2X %2.2X",
+ report->data[0], report->data[1], report->data[2],
+ report->data[3], report->data[4], report->data[5]);
+ }
+ RTKBT_DBG("bt info: reason 0x%2x, length 0x%2x", reason, length);
+
+ if (!btrtl_coex.wifi_on)
+ return;
+
+ UINT16_TO_STREAM(p, HCI_OP_HCI_BT_INFO_NOTIFY);
+ *p++ = para_length;
+ *p++ = btrtl_coex.polling_enable;
+ *p++ = btrtl_coex.polling_interval;
+ *p++ = reason;
+ *p++ = length;
+
+ if (length)
+ memcpy(p, report_info, length);
+
+ RTKBT_DBG("para length %2x, polling_enable %u, poiiling_interval %u",
+ para_length, btrtl_coex.polling_enable,
+ btrtl_coex.polling_interval);
+ /* send BT INFO to Wi-Fi driver */
+ if (udpsocket_send(buf, para_length + HCI_CMD_PREAMBLE_SIZE) < 0)
+ RTKBT_ERR("%s: sock send error", __func__);
+}
+
+static void rtk_notify_regester_to_wifi(uint8_t * reg_value)
+{
+ uint8_t para_length = 9;
+ char p_buf[para_length + HCI_CMD_PREAMBLE_SIZE];
+ char *p = p_buf;
+ hci_mailbox_register *reg = (hci_mailbox_register *) reg_value;
+
+ if (!btrtl_coex.wifi_on)
+ return;
+
+ UINT16_TO_STREAM(p, HCI_OP_HCI_BT_REGISTER_VALUE_NOTIFY);
+ *p++ = para_length;
+ memcpy(p, reg_value, para_length);
+
+ RTKBT_DBG("bt register, register type is %x", reg->type);
+ RTKBT_DBG("bt register, register offset is %x", reg->offset);
+ RTKBT_DBG("bt register, register value is %x", reg->value);
+
+ if (udpsocket_send(p_buf, para_length + HCI_CMD_PREAMBLE_SIZE) < 0)
+ RTKBT_ERR("%s: sock send error", __func__);
+}
+
+void rtk_btcoex_parse_cmd(uint8_t *buffer, int count)
+{
+ u16 opcode = (buffer[0]) + (buffer[1] << 8);
+
+ if (!test_bit(RTL_COEX_RUNNING, &btrtl_coex.flags)) {
+ RTKBT_INFO("%s: Coex is closed, ignore", __func__);
+ return;
+ }
+
+ if ((opcode == HCI_OP_INQUIRY) || (opcode == HCI_OP_PERIODIC_INQ)) {
+ if (!btrtl_coex.isinquirying) {
+ btrtl_coex.isinquirying = 1;
+ RTKBT_DBG("hci (periodic)inq, notify wifi "
+ "inquiry start");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_INQUIRY_START,
+ 0, NULL);
+ }
+ }
+
+ if ((opcode == HCI_OP_INQUIRY_CANCEL)
+ || (opcode == HCI_OP_EXIT_PERIODIC_INQ)) {
+ if (btrtl_coex.isinquirying) {
+ btrtl_coex.isinquirying = 0;
+ RTKBT_DBG("hci (periodic)inq cancel/exit, notify wifi "
+ "inquiry stop");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_INQUIRY_END, 0,
+ NULL);
+ }
+ }
+
+ if (opcode == HCI_OP_ACCEPT_CONN_REQ) {
+ if (!btrtl_coex.ispaging) {
+ btrtl_coex.ispaging = 1;
+ RTKBT_DBG("hci accept connreq, notify wifi page start");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_PAGE_START, 0,
+ NULL);
+ }
+ }
+}
+
+static void rtk_handle_inquiry_complete(void)
+{
+ if (btrtl_coex.isinquirying) {
+ btrtl_coex.isinquirying = 0;
+ RTKBT_DBG("inq complete, notify wifi inquiry end");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_INQUIRY_END, 0, NULL);
+ }
+}
+
+static void rtk_handle_pin_code_req(void)
+{
+ if (!btrtl_coex.ispairing) {
+ btrtl_coex.ispairing = 1;
+ RTKBT_DBG("pin code req, notify wifi pair start");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_PAIR_START, 0, NULL);
+ }
+}
+
+static void rtk_handle_io_capa_req(void)
+{
+ if (!btrtl_coex.ispairing) {
+ btrtl_coex.ispairing = 1;
+ RTKBT_DBG("io cap req, notify wifi pair start");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_PAIR_START, 0, NULL);
+ }
+}
+
+static void rtk_handle_auth_request(void)
+{
+ if (btrtl_coex.ispairing) {
+ btrtl_coex.ispairing = 0;
+ RTKBT_DBG("auth req, notify wifi pair end");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_PAIR_END, 0, NULL);
+ }
+}
+
+static void rtk_handle_link_key_notify(void)
+{
+ if (btrtl_coex.ispairing) {
+ btrtl_coex.ispairing = 0;
+ RTKBT_DBG("link key notify, notify wifi pair end");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_PAIR_END, 0, NULL);
+ }
+}
+
+static void rtk_handle_mode_change_evt(u8 * p)
+{
+ u16 mode_change_handle, mode_interval;
+
+ p++;
+ STREAM_TO_UINT16(mode_change_handle, p);
+ p++;
+ STREAM_TO_UINT16(mode_interval, p);
+ update_hid_active_state(mode_change_handle, mode_interval);
+}
+
+static void rtk_parse_vendor_mailbox_cmd_evt(u8 * p, u8 total_len)
+{
+ u8 status, subcmd;
+ u8 temp_cmd[10];
+
+ status = *p++;
+ if (total_len <= 4) {
+ RTKBT_DBG("receive mailbox cmd from fw, total length <= 4");
+ return;
+ }
+ subcmd = *p++;
+ RTKBT_DBG("receive mailbox cmd from fw, subcmd is 0x%x, status is 0x%x",
+ subcmd, status);
+
+ switch (subcmd) {
+ case HCI_VENDOR_SUB_CMD_BT_REPORT_CONN_SCO_INQ_INFO:
+ if (status == 0) //success
+ rtk_notify_info_to_wifi(POLLING_RESPONSE,
+ RTL_BTINFO_LEN, (uint8_t *)p);
+ break;
+
+ case HCI_VENDOR_SUB_CMD_WIFI_CHANNEL_AND_BANDWIDTH_CMD:
+ rtk_notify_btcoex_to_wifi(WIFI_BW_CHNL_NOTIFY, status);
+ break;
+
+ case HCI_VENDOR_SUB_CMD_WIFI_FORCE_TX_POWER_CMD:
+ rtk_notify_btcoex_to_wifi(BT_POWER_DECREASE_CONTROL, status);
+ break;
+
+ case HCI_VENDOR_SUB_CMD_BT_ENABLE_IGNORE_WLAN_ACT_CMD:
+ rtk_notify_btcoex_to_wifi(IGNORE_WLAN_ACTIVE_CONTROL, status);
+ break;
+
+ case HCI_VENDOR_SUB_CMD_SET_BT_PSD_MODE:
+ rtk_notify_btcoex_to_wifi(BT_PSD_MODE_CONTROL, status);
+ break;
+
+ case HCI_VENDOR_SUB_CMD_SET_BT_LNA_CONSTRAINT:
+ rtk_notify_btcoex_to_wifi(LNA_CONSTRAIN_CONTROL, status);
+ break;
+
+ case HCI_VENDOR_SUB_CMD_BT_AUTO_REPORT_ENABLE:
+ break;
+
+ case HCI_VENDOR_SUB_CMD_BT_SET_TXRETRY_REPORT_PARAM:
+ break;
+
+ case HCI_VENDOR_SUB_CMD_BT_SET_PTATABLE:
+ break;
+
+ case HCI_VENDOR_SUB_CMD_GET_AFH_MAP_L:
+ if (status == 0) {
+ memcpy(btrtl_coex.afh_map, p + 4, 4); /* cmd_idx, length, piconet_id, mode */
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_GET_AFH_MAP_M;
+ temp_cmd[1] = 2;
+ temp_cmd[2] = btrtl_coex.piconet_id;
+ temp_cmd[3] = btrtl_coex.mode;
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 4,
+ temp_cmd);
+ } else {
+ memset(btrtl_coex.afh_map, 0, 10);
+ rtk_notify_afhmap_to_wifi();
+ }
+ break;
+
+ case HCI_VENDOR_SUB_CMD_GET_AFH_MAP_M:
+ if (status == 0) {
+ memcpy(btrtl_coex.afh_map + 4, p + 4, 4);
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_GET_AFH_MAP_H;
+ temp_cmd[1] = 2;
+ temp_cmd[2] = btrtl_coex.piconet_id;
+ temp_cmd[3] = btrtl_coex.mode;
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 4,
+ temp_cmd);
+ } else {
+ memset(btrtl_coex.afh_map, 0, 10);
+ rtk_notify_afhmap_to_wifi();
+ }
+ break;
+
+ case HCI_VENDOR_SUB_CMD_GET_AFH_MAP_H:
+ if (status == 0)
+ memcpy(btrtl_coex.afh_map + 8, p + 4, 2);
+ else
+ memset(btrtl_coex.afh_map, 0, 10);
+
+ rtk_notify_afhmap_to_wifi();
+ break;
+
+ case HCI_VENDOR_SUB_CMD_RD_REG_REQ:
+ if (status == 0)
+ rtk_notify_regester_to_wifi(p + 3); /* cmd_idx,length,regist type */
+ break;
+
+ case HCI_VENDOR_SUB_CMD_WR_REG_REQ:
+ rtk_notify_btcoex_to_wifi(BT_REGISTER_ACCESS, status);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void rtk_handle_cmd_complete_evt(u8 total_len, u8 * p)
+{
+ u16 opcode;
+
+ p++;
+ STREAM_TO_UINT16(opcode, p);
+ //RTKBT_DBG("cmd_complete, opcode is 0x%x", opcode);
+
+ if (opcode == HCI_OP_PERIODIC_INQ) {
+ if (*p++ && btrtl_coex.isinquirying) {
+ btrtl_coex.isinquirying = 0;
+ RTKBT_DBG("hci period inq, start error, notify wifi "
+ "inquiry stop");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_INQUIRY_END, 0,
+ NULL);
+ }
+ }
+
+ if (opcode == HCI_OP_READ_LOCAL_VERSION) {
+ if (!(*p++)) {
+ p++;
+ STREAM_TO_UINT16(btrtl_coex.hci_reversion, p);
+ p += 3;
+ STREAM_TO_UINT16(btrtl_coex.lmp_subversion, p);
+ RTKBT_DBG("BTCOEX hci_rev 0x%04x",
+ btrtl_coex.hci_reversion);
+ RTKBT_DBG("BTCOEX lmp_subver 0x%04x",
+ btrtl_coex.lmp_subversion);
+ }
+ }
+
+ if (opcode == HCI_VENDOR_MAILBOX_CMD) {
+ rtk_parse_vendor_mailbox_cmd_evt(p, total_len);
+ }
+}
+
+static void rtk_handle_cmd_status_evt(u8 * p)
+{
+ u16 opcode;
+ u8 status;
+
+ status = *p++;
+ p++;
+ STREAM_TO_UINT16(opcode, p);
+ //RTKBT_DBG("cmd_status, opcode is 0x%x", opcode);
+ if ((opcode == HCI_OP_INQUIRY) && (status)) {
+ if (btrtl_coex.isinquirying) {
+ btrtl_coex.isinquirying = 0;
+ RTKBT_DBG("hci inq, start error, notify wifi inq stop");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_INQUIRY_END, 0,
+ NULL);
+ }
+ }
+
+ if (opcode == HCI_OP_CREATE_CONN) {
+ if (!status && !btrtl_coex.ispaging) {
+ btrtl_coex.ispaging = 1;
+ RTKBT_DBG("hci create conn, notify wifi start page");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_PAGE_START, 0,
+ NULL);
+ }
+ }
+}
+
+static void rtk_handle_connection_complete_evt(u8 * p)
+{
+ u16 handle;
+ u8 status, link_type;
+ rtk_conn_prof *hci_conn = NULL;
+
+ status = *p++;
+ STREAM_TO_UINT16(handle, p);
+ p += 6;
+ link_type = *p++;
+
+ if (status == 0) {
+ if (btrtl_coex.ispaging) {
+ btrtl_coex.ispaging = 0;
+ RTKBT_DBG("notify wifi page success end");
+ rtk_notify_btoperation_to_wifi
+ (BT_OPCODE_PAGE_SUCCESS_END, 0, NULL);
+ }
+
+ hci_conn = find_connection_by_handle(&btrtl_coex, handle);
+ if (hci_conn == NULL) {
+ hci_conn = allocate_connection_by_handle(handle);
+ if (hci_conn) {
+ add_connection_to_hash(&btrtl_coex,
+ hci_conn);
+ hci_conn->profile_bitmap = 0;
+ memset(hci_conn->profile_refcount, 0, 8);
+ if ((0 == link_type) || (2 == link_type)) { //sco or esco
+ hci_conn->type = 1;
+ update_profile_connection(hci_conn,
+ profile_sco,
+ TRUE);
+ } else
+ hci_conn->type = 0;
+ } else {
+ RTKBT_ERR("hci connection allocate fail");
+ }
+ } else {
+ RTKBT_DBG("hci conn handle 0x%04x already existed!",
+ handle);
+ hci_conn->profile_bitmap = 0;
+ memset(hci_conn->profile_refcount, 0, 8);
+ if ((0 == link_type) || (2 == link_type)) { //sco or esco
+ hci_conn->type = 1;
+ update_profile_connection(hci_conn, profile_sco,
+ TRUE);
+ } else
+ hci_conn->type = 0;
+ }
+ } else if (btrtl_coex.ispaging) {
+ btrtl_coex.ispaging = 0;
+ RTKBT_DBG("notify wifi page unsuccess end");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_PAGE_UNSUCCESS_END, 0,
+ NULL);
+ }
+}
+
+static void rtk_handle_le_connection_complete_evt(u8 * p)
+{
+ u16 handle, interval;
+ u8 status;
+ rtk_conn_prof *hci_conn = NULL;
+
+ status = *p++;
+ STREAM_TO_UINT16(handle, p);
+ p += 8; //role, address type, address
+ STREAM_TO_UINT16(interval, p);
+
+ if (status == 0) {
+ if (btrtl_coex.ispaging) {
+ btrtl_coex.ispaging = 0;
+ RTKBT_DBG("notify wifi page success end");
+ rtk_notify_btoperation_to_wifi
+ (BT_OPCODE_PAGE_SUCCESS_END, 0, NULL);
+ }
+
+ hci_conn = find_connection_by_handle(&btrtl_coex, handle);
+ if (hci_conn == NULL) {
+ hci_conn = allocate_connection_by_handle(handle);
+ if (hci_conn) {
+ add_connection_to_hash(&btrtl_coex,
+ hci_conn);
+ hci_conn->profile_bitmap = 0;
+ memset(hci_conn->profile_refcount, 0, 8);
+ hci_conn->type = 2;
+ update_profile_connection(hci_conn, profile_hid, TRUE); //for coex, le is the same as hid
+ update_hid_active_state(handle, interval);
+ } else {
+ RTKBT_ERR("hci connection allocate fail");
+ }
+ } else {
+ RTKBT_DBG("hci conn handle 0x%04x already existed!",
+ handle);
+ hci_conn->profile_bitmap = 0;
+ memset(hci_conn->profile_refcount, 0, 8);
+ hci_conn->type = 2;
+ update_profile_connection(hci_conn, profile_hid, TRUE);
+ update_hid_active_state(handle, interval);
+ }
+ } else if (btrtl_coex.ispaging) {
+ btrtl_coex.ispaging = 0;
+ RTKBT_DBG("notify wifi page unsuccess end");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_PAGE_UNSUCCESS_END, 0,
+ NULL);
+ }
+}
+
+static void rtk_handle_le_connection_update_complete_evt(u8 * p)
+{
+ u16 handle, interval;
+ /* u8 status; */
+
+ /* status = *p++; */
+ p++;
+
+ STREAM_TO_UINT16(handle, p);
+ STREAM_TO_UINT16(interval, p);
+ update_hid_active_state(handle, interval);
+}
+
+static void rtk_handle_le_meta_evt(u8 * p)
+{
+ u8 sub_event = *p++;
+ switch (sub_event) {
+ case HCI_EV_LE_CONN_COMPLETE:
+ rtk_handle_le_connection_complete_evt(p);
+ break;
+
+ case HCI_EV_LE_CONN_UPDATE_COMPLETE:
+ rtk_handle_le_connection_update_complete_evt(p);
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void disconn_acl(u16 handle, struct rtl_hci_conn *conn)
+{
+ struct rtl_coex_struct *coex = &btrtl_coex;
+ rtk_prof_info *prof_info = NULL;
+ struct list_head *iter = NULL, *temp = NULL;
+
+ spin_lock(&coex->spin_lock_profile);
+
+ list_for_each_safe(iter, temp, &coex->profile_list) {
+ prof_info = list_entry(iter, rtk_prof_info, list);
+ if (handle == prof_info->handle && prof_info->scid
+ && prof_info->dcid) {
+ RTKBT_DBG("hci disconn, hndl %x, psm %x, dcid %x, "
+ "scid %x", prof_info->handle,
+ prof_info->psm, prof_info->dcid,
+ prof_info->scid);
+ //If both scid and dcid > 0, L2cap connection is exist.
+ update_profile_connection(conn,
+ prof_info->profile_index, FALSE);
+ delete_profile_from_hash(prof_info);
+ }
+ }
+ spin_unlock(&coex->spin_lock_profile);
+}
+
+static void rtk_handle_disconnect_complete_evt(u8 * p)
+{
+ u16 handle;
+ u8 status;
+ /* u8 reason; */
+ rtk_conn_prof *hci_conn = NULL;
+
+ if (btrtl_coex.ispairing) { //for slave: connection will be disconnected if authentication fail
+ btrtl_coex.ispairing = 0;
+ RTKBT_DBG("hci disc complete, notify wifi pair end");
+ rtk_notify_btoperation_to_wifi(BT_OPCODE_PAIR_END, 0, NULL);
+ }
+
+ status = *p++;
+ STREAM_TO_UINT16(handle, p);
+
+ /* reason = *p; */
+
+ if (status == 0) {
+ RTKBT_DBG("process disconn complete event.");
+ hci_conn = find_connection_by_handle(&btrtl_coex, handle);
+ if (hci_conn) {
+ switch (hci_conn->type) {
+ case 0:
+ /* FIXME: If this is interrupted by l2cap rx,
+ * there may be deadlock on spin_lock_profile */
+ disconn_acl(handle, hci_conn);
+ break;
+
+ case 1:
+ update_profile_connection(hci_conn, profile_sco,
+ FALSE);
+ break;
+
+ case 2:
+ update_profile_connection(hci_conn, profile_hid,
+ FALSE);
+ break;
+
+ default:
+ break;
+ }
+ delete_connection_from_hash(hci_conn);
+ } else
+ RTKBT_ERR("hci conn handle 0x%04x not found", handle);
+ }
+}
+
+static void rtk_handle_specific_evt(u8 * p)
+{
+ u16 subcode;
+
+ STREAM_TO_UINT16(subcode, p);
+ if (subcode == HCI_VENDOR_PTA_AUTO_REPORT_EVENT) {
+ RTKBT_DBG("notify wifi driver with autoreport data");
+ rtk_notify_info_to_wifi(AUTO_REPORT, RTL_BTINFO_LEN,
+ (uint8_t *)p);
+ }
+}
+
+static void rtk_parse_event_data(struct rtl_coex_struct *coex,
+ u8 *data, u16 len)
+{
+ u8 *p = data;
+ u8 event_code = *p++;
+ u8 total_len = *p++;
+
+ (void)coex;
+ (void)&len;
+
+ switch (event_code) {
+ case HCI_EV_INQUIRY_COMPLETE:
+ rtk_handle_inquiry_complete();
+ break;
+
+ case HCI_EV_PIN_CODE_REQ:
+ rtk_handle_pin_code_req();
+ break;
+
+ case HCI_EV_IO_CAPA_REQUEST:
+ rtk_handle_io_capa_req();
+ break;
+
+ case HCI_EV_AUTH_COMPLETE:
+ rtk_handle_auth_request();
+ break;
+
+ case HCI_EV_LINK_KEY_NOTIFY:
+ rtk_handle_link_key_notify();
+ break;
+
+ case HCI_EV_MODE_CHANGE:
+ rtk_handle_mode_change_evt(p);
+ break;
+
+ case HCI_EV_CMD_COMPLETE:
+ rtk_handle_cmd_complete_evt(total_len, p);
+ break;
+
+ case HCI_EV_CMD_STATUS:
+ rtk_handle_cmd_status_evt(p);
+ break;
+
+ case HCI_EV_CONN_COMPLETE:
+ case HCI_EV_SYNC_CONN_COMPLETE:
+ rtk_handle_connection_complete_evt(p);
+ break;
+
+ case HCI_EV_DISCONN_COMPLETE:
+ rtk_handle_disconnect_complete_evt(p);
+ break;
+
+ case HCI_EV_LE_META:
+ rtk_handle_le_meta_evt(p);
+ break;
+
+ case HCI_EV_VENDOR_SPECIFIC:
+ rtk_handle_specific_evt(p);
+ break;
+
+ default:
+ break;
+ }
+}
+
+const char l2_dir_str[][4] = {
+ "RX", "TX",
+};
+
+void rtl_process_l2_sig(struct rtl_l2_buff *l2)
+{
+ /* u8 flag; */
+ u8 code;
+ /* u8 identifier; */
+ u16 handle;
+ /* u16 total_len; */
+ /* u16 pdu_len, channel_id; */
+ /* u16 command_len; */
+ u16 psm, scid, dcid, result;
+ /* u16 status; */
+ u8 *pp = l2->data;
+
+ STREAM_TO_UINT16(handle, pp);
+ /* flag = handle >> 12; */
+ handle = handle & 0x0FFF;
+ /* STREAM_TO_UINT16(total_len, pp); */
+ pp += 2; /* data total length */
+
+ /* STREAM_TO_UINT16(pdu_len, pp);
+ * STREAM_TO_UINT16(channel_id, pp); */
+ pp += 4; /* l2 len and channel id */
+
+ code = *pp++;
+ switch (code) {
+ case L2CAP_CONN_REQ:
+ /* identifier = *pp++; */
+ pp++;
+ /* STREAM_TO_UINT16(command_len, pp); */
+ pp += 2;
+ STREAM_TO_UINT16(psm, pp);
+ STREAM_TO_UINT16(scid, pp);
+ RTKBT_DBG("%s l2cap conn req, hndl 0x%04x, PSM 0x%04x, "
+ "scid 0x%04x", l2_dir_str[l2->out], handle, psm,
+ scid);
+ handle_l2cap_con_req(handle, psm, scid, l2->out);
+ break;
+
+ case L2CAP_CONN_RSP:
+ /* identifier = *pp++; */
+ pp++;
+ /* STREAM_TO_UINT16(command_len, pp); */
+ pp += 2;
+ STREAM_TO_UINT16(dcid, pp);
+ STREAM_TO_UINT16(scid, pp);
+ STREAM_TO_UINT16(result, pp);
+ /* STREAM_TO_UINT16(status, pp); */
+ pp += 2;
+ RTKBT_DBG("%s l2cap conn rsp, hndl 0x%04x, dcid 0x%04x, "
+ "scid 0x%04x, result 0x%04x", l2_dir_str[l2->out],
+ handle, dcid, scid, result);
+ handle_l2cap_con_rsp(handle, dcid, scid, l2->out, result);
+ break;
+
+ case L2CAP_DISCONN_REQ:
+ /* identifier = *pp++; */
+ pp++;
+ /* STREAM_TO_UINT16(command_len, pp); */
+ pp += 2;
+ STREAM_TO_UINT16(dcid, pp);
+ STREAM_TO_UINT16(scid, pp);
+ RTKBT_DBG("%s l2cap disconn req, hndl 0x%04x, dcid 0x%04x, "
+ "scid 0x%04x", l2_dir_str[l2->out], handle, dcid, scid);
+ handle_l2cap_discon_req(handle, dcid, scid, l2->out);
+ break;
+ default:
+ RTKBT_DBG("undesired l2 command %u", code);
+ break;
+ }
+}
+
+static void rtl_l2_data_process(u8 *pp, u16 len, int dir)
+{
+ u8 code;
+ u8 flag;
+ u16 handle, pdu_len, channel_id;
+ /* u16 total_len; */
+ struct rtl_l2_buff *l2 = NULL;
+ u8 *hd = pp;
+
+ /* RTKBT_DBG("l2 sig data %p, len %u, dir %d", pp, len, dir); */
+
+ STREAM_TO_UINT16(handle, pp);
+ flag = handle >> 12;
+ handle = handle & 0x0FFF;
+ /* STREAM_TO_UINT16(total_len, pp); */
+ pp += 2; /* data total length */
+
+ STREAM_TO_UINT16(pdu_len, pp);
+ STREAM_TO_UINT16(channel_id, pp);
+
+ if (channel_id == 0x0001) {
+ code = *pp++;
+ switch (code) {
+ case L2CAP_CONN_REQ:
+ case L2CAP_CONN_RSP:
+ case L2CAP_DISCONN_REQ:
+ RTKBT_DBG("l2cap op %u, len %u, out %d", code, len,
+ dir);
+ l2 = rtl_l2_node_get(&btrtl_coex);
+ if (l2) {
+ u16 n;
+ n = min_t(uint, len, L2_MAX_SUBSEC_LEN);
+ memcpy(l2->data, hd, n);
+ l2->out = dir;
+ rtl_l2_node_to_used(&btrtl_coex, l2);
+ queue_delayed_work(btrtl_coex.fw_wq,
+ &btrtl_coex.l2_work, 0);
+ } else
+ RTKBT_ERR("%s: failed to get l2 node",
+ __func__);
+ break;
+ case L2CAP_DISCONN_RSP:
+ break;
+ default:
+ break;
+ }
+ } else {
+ if ((flag != 0x01) && (is_profile_connected(profile_a2dp) ||
+ is_profile_connected(profile_pan)))
+ /* Do not count the continuous packets */
+ packets_count(handle, channel_id, pdu_len, dir, pp);
+ }
+ return;
+}
+
+
+static void rtl_l2_work(struct work_struct *work)
+{
+ struct rtl_coex_struct *coex;
+ struct rtl_l2_buff *l2;
+ unsigned long flags;
+
+ coex = container_of(work, struct rtl_coex_struct, l2_work.work);
+
+ spin_lock_irqsave(&coex->buff_lock, flags);
+ while (!list_empty(&coex->l2_used_list)) {
+ l2 = list_entry(coex->l2_used_list.next, struct rtl_l2_buff,
+ list);
+ list_del(&l2->list);
+
+ spin_unlock_irqrestore(&coex->buff_lock, flags);
+
+ rtl_process_l2_sig(l2);
+
+ spin_lock_irqsave(&coex->buff_lock, flags);
+
+ list_add_tail(&l2->list, &coex->l2_free_list);
+ }
+ spin_unlock_irqrestore(&coex->buff_lock, flags);
+
+ return;
+}
+
+static void rtl_ev_work(struct work_struct *work)
+{
+ struct rtl_coex_struct *coex;
+ struct rtl_hci_ev *ev;
+ unsigned long flags;
+
+ coex = container_of(work, struct rtl_coex_struct, fw_work.work);
+
+ spin_lock_irqsave(&coex->buff_lock, flags);
+ while (!list_empty(&coex->ev_used_list)) {
+ ev = list_entry(coex->ev_used_list.next, struct rtl_hci_ev,
+ list);
+ list_del(&ev->list);
+ spin_unlock_irqrestore(&coex->buff_lock, flags);
+
+ rtk_parse_event_data(coex, ev->data, ev->len);
+
+ spin_lock_irqsave(&coex->buff_lock, flags);
+ list_add_tail(&ev->list, &coex->ev_free_list);
+ }
+ spin_unlock_irqrestore(&coex->buff_lock, flags);
+}
+
+int ev_filter_out(u8 ev_code)
+{
+ switch (ev_code) {
+ case HCI_EV_INQUIRY_COMPLETE:
+ case HCI_EV_PIN_CODE_REQ:
+ case HCI_EV_IO_CAPA_REQUEST:
+ case HCI_EV_AUTH_COMPLETE:
+ case HCI_EV_LINK_KEY_NOTIFY:
+ case HCI_EV_MODE_CHANGE:
+ case HCI_EV_CMD_COMPLETE:
+ case HCI_EV_CMD_STATUS:
+ case HCI_EV_CONN_COMPLETE:
+ case HCI_EV_SYNC_CONN_COMPLETE:
+ case HCI_EV_DISCONN_COMPLETE:
+ case HCI_EV_LE_META:
+ case HCI_EV_VENDOR_SPECIFIC:
+ return 0;
+ default:
+ return 1;
+ }
+}
+
+static void rtk_btcoex_evt_enqueue(__u8 *s, __u16 count)
+{
+ struct rtl_hci_ev *ev;
+
+ if (ev_filter_out(s[0]))
+ return;
+
+ ev = rtl_ev_node_get(&btrtl_coex);
+ if (!ev) {
+ RTKBT_ERR("%s: no free ev node.", __func__);
+ return;
+ }
+
+ if (count > MAX_LEN_OF_HCI_EV) {
+ memcpy(ev->data, s, MAX_LEN_OF_HCI_EV);
+ ev->len = MAX_LEN_OF_HCI_EV;
+ } else {
+ memcpy(ev->data, s, count);
+ ev->len = count;
+ }
+
+ rtl_ev_node_to_used(&btrtl_coex, ev);
+
+ queue_delayed_work(btrtl_coex.fw_wq, &btrtl_coex.fw_work, 0);
+}
+
+/* Context: in_interrupt() */
+void rtk_btcoex_parse_event(uint8_t *buffer, int count)
+{
+ struct rtl_coex_struct *coex = &btrtl_coex;
+ __u8 *tbuff;
+ __u16 elen = 0;
+
+ /* RTKBT_DBG("%s: parse ev.", __func__); */
+ if (!test_bit(RTL_COEX_RUNNING, &btrtl_coex.flags)) {
+ /* RTKBT_INFO("%s: Coex is closed, ignore", __func__); */
+ RTKBT_INFO("%s: Coex is closed, ignore %x, %x",
+ __func__, buffer[0], buffer[1]);
+ return;
+ }
+
+ spin_lock(&coex->rxlock);
+
+ /* coex->tbuff will be set to NULL when initializing or
+ * there is a complete frame or there is start of a frame */
+ tbuff = coex->tbuff;
+
+ while (count) {
+ int len;
+
+ /* Start of a frame */
+ if (!tbuff) {
+ tbuff = coex->back_buff;
+ coex->tbuff = NULL;
+ coex->elen = 0;
+
+ coex->pkt_type = HCI_EVENT_PKT;
+ coex->expect = HCI_EVENT_HDR_SIZE;
+ }
+
+ len = min_t(uint, coex->expect, count);
+ memcpy(tbuff, buffer, len);
+ tbuff += len;
+ coex->elen += len;
+
+ count -= len;
+ buffer += len;
+ coex->expect -= len;
+
+ if (coex->elen == HCI_EVENT_HDR_SIZE) {
+ /* Complete event header */
+ coex->expect =
+ ((struct hci_event_hdr *)coex->back_buff)->plen;
+ if (coex->expect > HCI_MAX_EVENT_SIZE - coex->elen) {
+ tbuff = NULL;
+ coex->elen = 0;
+ RTKBT_ERR("tbuff room is not enough");
+ break;
+ }
+ }
+
+ if (coex->expect == 0) {
+ /* Complete frame */
+ elen = coex->elen;
+ spin_unlock(&coex->rxlock);
+ rtk_btcoex_evt_enqueue(coex->back_buff, elen);
+ spin_lock(&coex->rxlock);
+
+ tbuff = NULL;
+ coex->elen = 0;
+ }
+ }
+
+ /* coex->tbuff would be non-NULL if there isn't a complete frame
+ * And it will be updated next time */
+ coex->tbuff = tbuff;
+ spin_unlock(&coex->rxlock);
+}
+
+
+void rtk_btcoex_parse_l2cap_data_tx(uint8_t *buffer, int count)
+{
+ if (!test_bit(RTL_COEX_RUNNING, &btrtl_coex.flags)) {
+ RTKBT_INFO("%s: Coex is closed, ignore", __func__);
+ return;
+ }
+
+ rtl_l2_data_process(buffer, count, 1);
+ //u16 handle, total_len, pdu_len, channel_ID, command_len, psm, scid,
+ // dcid, result, status;
+ //u8 flag, code, identifier;
+ //u8 *pp = (u8 *) (skb->data);
+ //STREAM_TO_UINT16(handle, pp);
+ //flag = handle >> 12;
+ //handle = handle & 0x0FFF;
+ //STREAM_TO_UINT16(total_len, pp);
+ //STREAM_TO_UINT16(pdu_len, pp);
+ //STREAM_TO_UINT16(channel_ID, pp);
+
+ //if (channel_ID == 0x0001) {
+ // code = *pp++;
+ // switch (code) {
+ // case L2CAP_CONN_REQ:
+ // identifier = *pp++;
+ // STREAM_TO_UINT16(command_len, pp);
+ // STREAM_TO_UINT16(psm, pp);
+ // STREAM_TO_UINT16(scid, pp);
+ // RTKBT_DBG("TX l2cap conn req, hndl %x, PSM %x, scid=%x",
+ // handle, psm, scid);
+ // handle_l2cap_con_req(handle, psm, scid, 1);
+ // break;
+
+ // case L2CAP_CONN_RSP:
+ // identifier = *pp++;
+ // STREAM_TO_UINT16(command_len, pp);
+ // STREAM_TO_UINT16(dcid, pp);
+ // STREAM_TO_UINT16(scid, pp);
+ // STREAM_TO_UINT16(result, pp);
+ // STREAM_TO_UINT16(status, pp);
+ // RTKBT_DBG("TX l2cap conn rsp, hndl %x, dcid %x, "
+ // "scid %x, result %x",
+ // handle, dcid, scid, result);
+ // handle_l2cap_con_rsp(handle, dcid, scid, 1, result);
+ // break;
+
+ // case L2CAP_DISCONN_REQ:
+ // identifier = *pp++;
+ // STREAM_TO_UINT16(command_len, pp);
+ // STREAM_TO_UINT16(dcid, pp);
+ // STREAM_TO_UINT16(scid, pp);
+ // RTKBT_DBG("TX l2cap disconn req, hndl %x, dcid %x, "
+ // "scid %x", handle, dcid, scid);
+ // handle_l2cap_discon_req(handle, dcid, scid, 1);
+ // break;
+
+ // case L2CAP_DISCONN_RSP:
+ // break;
+
+ // default:
+ // break;
+ // }
+ //} else {
+ // if ((flag != 0x01) && (is_profile_connected(profile_a2dp) || is_profile_connected(profile_pan))) //Do not count the continuous packets
+ // packets_count(handle, channel_ID, pdu_len, 1, pp);
+ //}
+}
+
+void rtk_btcoex_parse_l2cap_data_rx(uint8_t *buffer, int count)
+{
+ if (!test_bit(RTL_COEX_RUNNING, &btrtl_coex.flags)) {
+ RTKBT_INFO("%s: Coex is closed, ignore", __func__);
+ return;
+ }
+
+ rtl_l2_data_process(buffer, count, 0);
+ //u16 handle, total_len, pdu_len, channel_ID, command_len, psm, scid,
+ // dcid, result, status;
+ //u8 flag, code, identifier;
+ //u8 *pp = urb->transfer_buffer;
+ //STREAM_TO_UINT16(handle, pp);
+ //flag = handle >> 12;
+ //handle = handle & 0x0FFF;
+ //STREAM_TO_UINT16(total_len, pp);
+ //STREAM_TO_UINT16(pdu_len, pp);
+ //STREAM_TO_UINT16(channel_ID, pp);
+
+ //if (channel_ID == 0x0001) {
+ // code = *pp++;
+ // switch (code) {
+ // case L2CAP_CONN_REQ:
+ // identifier = *pp++;
+ // STREAM_TO_UINT16(command_len, pp);
+ // STREAM_TO_UINT16(psm, pp);
+ // STREAM_TO_UINT16(scid, pp);
+ // RTKBT_DBG("RX l2cap conn req, hndl %x, PSM %x, scid %x",
+ // handle, psm, scid);
+ // handle_l2cap_con_req(handle, psm, scid, 0);
+ // break;
+
+ // case L2CAP_CONN_RSP:
+ // identifier = *pp++;
+ // STREAM_TO_UINT16(command_len, pp);
+ // STREAM_TO_UINT16(dcid, pp);
+ // STREAM_TO_UINT16(scid, pp);
+ // STREAM_TO_UINT16(result, pp);
+ // STREAM_TO_UINT16(status, pp);
+ // RTKBT_DBG("RX l2cap conn rsp, hndl %x, dcid %x, "
+ // "scid %x, result %x",
+ // handle, dcid, scid, result);
+ // handle_l2cap_con_rsp(handle, dcid, scid, 0, result);
+ // break;
+
+ // case L2CAP_DISCONN_REQ:
+ // identifier = *pp++;
+ // STREAM_TO_UINT16(command_len, pp);
+ // STREAM_TO_UINT16(dcid, pp);
+ // STREAM_TO_UINT16(scid, pp);
+ // RTKBT_DBG("RX l2cap disconn req, hndl %x, dcid %x, "
+ // "scid %x", handle, dcid, scid);
+ // handle_l2cap_discon_req(handle, dcid, scid, 0);
+ // break;
+
+ // case L2CAP_DISCONN_RSP:
+ // break;
+
+ // default:
+ // break;
+ // }
+ //} else {
+ // if ((flag != 0x01) && (is_profile_connected(profile_a2dp) || is_profile_connected(profile_pan))) //Do not count the continuous packets
+ // packets_count(handle, channel_ID, pdu_len, 0, pp);
+ //}
+}
+
+static void polling_bt_info(unsigned long data)
+{
+ uint8_t temp_cmd[1];
+ RTKBT_DBG("polling timer");
+ if (btrtl_coex.polling_enable) {
+ //temp_cmd[0] = HCI_VENDOR_SUB_CMD_BT_REPORT_CONN_SCO_INQ_INFO;
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_BT_AUTO_REPORT_STATUS_INFO;
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 1, temp_cmd);
+ }
+ mod_timer(&(btrtl_coex.polling_timer),
+ jiffies +
+ msecs_to_jiffies(1000 * btrtl_coex.polling_interval));
+}
+
+static void rtk_handle_bt_info_control(uint8_t *p)
+{
+ uint8_t temp_cmd[20];
+ struct rtl_btinfo_ctl *ctl = (struct rtl_btinfo_ctl*)p;
+ RTKBT_DBG("Received polling_enable %u, polling_time %u, "
+ "autoreport_enable %u", ctl->polling_enable,
+ ctl->polling_time, ctl->autoreport_enable);
+ RTKBT_DBG("coex: original polling_enable %u",
+ btrtl_coex.polling_enable);
+
+ if (ctl->polling_enable && !btrtl_coex.polling_enable) {
+ /* setup polling timer for getting bt info from firmware */
+ setup_timer(&(btrtl_coex.polling_timer), polling_bt_info, 0);
+ btrtl_coex.polling_timer.expires =
+ jiffies + msecs_to_jiffies(ctl->polling_time * 1000);
+ add_timer(&(btrtl_coex.polling_timer));
+ }
+
+ /* Close bt info polling timer */
+ if (!ctl->polling_enable && btrtl_coex.polling_enable)
+ del_timer(&(btrtl_coex.polling_timer));
+
+ if (btrtl_coex.autoreport != ctl->autoreport_enable) {
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_BT_AUTO_REPORT_ENABLE;
+ temp_cmd[1] = 1;
+ temp_cmd[2] = ctl->autoreport_enable;
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 3, temp_cmd);
+ }
+
+ btrtl_coex.polling_enable = ctl->polling_enable;
+ btrtl_coex.polling_interval = ctl->polling_time;
+ btrtl_coex.autoreport = ctl->autoreport_enable;
+
+ rtk_notify_info_to_wifi(HOST_RESPONSE, 0, NULL);
+}
+
+static void rtk_handle_bt_coex_control(uint8_t * p)
+{
+ uint8_t temp_cmd[20];
+ uint8_t opcode, opcode_len, value, power_decrease, psd_mode,
+ access_type;
+
+ opcode = *p++;
+ RTKBT_DBG("receive bt coex control event from wifi, op 0x%02x", opcode);
+
+ switch (opcode) {
+ case BT_PATCH_VERSION_QUERY:
+ rtk_notify_btpatch_version_to_wifi();
+ break;
+
+ case IGNORE_WLAN_ACTIVE_CONTROL:
+ opcode_len = *p++;
+ value = *p++;
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_BT_ENABLE_IGNORE_WLAN_ACT_CMD;
+ temp_cmd[1] = 1;
+ temp_cmd[2] = value;
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 3, temp_cmd);
+ break;
+
+ case LNA_CONSTRAIN_CONTROL:
+ opcode_len = *p++;
+ value = *p++;
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_SET_BT_LNA_CONSTRAINT;
+ temp_cmd[1] = 1;
+ temp_cmd[2] = value;
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 3, temp_cmd);
+ break;
+
+ case BT_POWER_DECREASE_CONTROL:
+ opcode_len = *p++;
+ power_decrease = *p++;
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_WIFI_FORCE_TX_POWER_CMD;
+ temp_cmd[1] = 1;
+ temp_cmd[2] = power_decrease;
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 3, temp_cmd);
+ break;
+
+ case BT_PSD_MODE_CONTROL:
+ opcode_len = *p++;
+ psd_mode = *p++;
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_SET_BT_PSD_MODE;
+ temp_cmd[1] = 1;
+ temp_cmd[2] = psd_mode;
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 3, temp_cmd);
+ break;
+
+ case WIFI_BW_CHNL_NOTIFY:
+ opcode_len = *p++;
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_WIFI_CHANNEL_AND_BANDWIDTH_CMD;
+ temp_cmd[1] = 3;
+ memcpy(temp_cmd + 2, p, 3); //wifi_state, wifi_centralchannel, chnnels_btnotuse
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 5, temp_cmd);
+ break;
+
+ case QUERY_BT_AFH_MAP:
+ opcode_len = *p++;
+ btrtl_coex.piconet_id = *p++;
+ btrtl_coex.mode = *p++;
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_GET_AFH_MAP_L;
+ temp_cmd[1] = 2;
+ temp_cmd[2] = btrtl_coex.piconet_id;
+ temp_cmd[3] = btrtl_coex.mode;
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 4, temp_cmd);
+ break;
+
+ case BT_REGISTER_ACCESS:
+ opcode_len = *p++;
+ access_type = *p++;
+ if (access_type == 0) { //read
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_RD_REG_REQ;
+ temp_cmd[1] = 5;
+ temp_cmd[2] = *p++;
+ memcpy(temp_cmd + 3, p, 4);
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 7,
+ temp_cmd);
+ } else { //write
+ temp_cmd[0] = HCI_VENDOR_SUB_CMD_RD_REG_REQ;
+ temp_cmd[1] = 5;
+ temp_cmd[2] = *p++;
+ memcpy(temp_cmd + 3, p, 8);
+ rtk_vendor_cmd_to_fw(HCI_VENDOR_MAILBOX_CMD, 11,
+ temp_cmd);
+ }
+ break;
+
+ default:
+ break;
+ }
+}
+
+static void rtk_handle_event_from_wifi(uint8_t * msg)
+{
+ uint8_t *p = msg;
+ uint8_t event_code = *p++;
+ uint8_t total_length;
+ uint8_t extension_event;
+ uint8_t operation;
+ uint16_t wifi_opcode;
+ uint8_t op_status;
+
+ if (memcmp(msg, invite_rsp, sizeof(invite_rsp)) == 0) {
+ RTKBT_DBG("receive invite rsp from wifi, wifi is already on");
+ btrtl_coex.wifi_on = 1;
+ rtk_notify_extension_version_to_wifi();
+ }
+
+ if (memcmp(msg, attend_req, sizeof(attend_req)) == 0) {
+ RTKBT_DBG("receive attend req from wifi, wifi turn on");
+ btrtl_coex.wifi_on = 1;
+ udpsocket_send(attend_ack, sizeof(attend_ack));
+ rtk_notify_extension_version_to_wifi();
+ }
+
+ if (memcmp(msg, wifi_leave, sizeof(wifi_leave)) == 0) {
+ RTKBT_DBG("receive wifi leave from wifi, wifi turn off");
+ btrtl_coex.wifi_on = 0;
+ udpsocket_send(leave_ack, sizeof(leave_ack));
+ if (btrtl_coex.polling_enable) {
+ btrtl_coex.polling_enable = 0;
+ del_timer(&(btrtl_coex.polling_timer));
+ }
+ }
+
+ if (memcmp(msg, leave_ack, sizeof(leave_ack)) == 0) {
+ RTKBT_DBG("receive leave ack from wifi");
+ }
+
+ if (event_code == 0xFE) {
+ total_length = *p++;
+ extension_event = *p++;
+ switch (extension_event) {
+ case RTK_HS_EXTENSION_EVENT_WIFI_SCAN:
+ operation = *p;
+ RTKBT_DBG("Recv WiFi scan notify event from WiFi, "
+ "op 0x%02x", operation);
+ break;
+
+ case RTK_HS_EXTENSION_EVENT_HCI_BT_INFO_CONTROL:
+ rtk_handle_bt_info_control(p);
+ break;
+
+ case RTK_HS_EXTENSION_EVENT_HCI_BT_COEX_CONTROL:
+ rtk_handle_bt_coex_control(p);
+ break;
+
+ default:
+ break;
+ }
+ }
+
+ if (event_code == 0x0E) {
+ p += 2; //length, number of complete packets
+ STREAM_TO_UINT16(wifi_opcode, p);
+ op_status = *p;
+ RTKBT_DBG("Recv cmd complete event from WiFi, op 0x%02x, "
+ "status 0x%02x", wifi_opcode, op_status);
+ }
+}
+
+static inline void rtl_free_frags(struct rtl_coex_struct *coex)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&coex->rxlock, flags);
+
+ coex->elen = 0;
+ coex->tbuff = NULL;
+
+ spin_unlock_irqrestore(&coex->rxlock, flags);
+}
+
+void rtk_btcoex_open(struct hci_dev *hdev)
+{
+ if (test_and_set_bit(RTL_COEX_RUNNING, &btrtl_coex.flags)) {
+ RTKBT_WARN("RTL COEX is already running.");
+ return;
+ }
+
+ RTKBT_INFO("Open BTCOEX");
+
+ /* Just for test */
+ //struct rtl_btinfo_ctl ctl;
+
+ INIT_DELAYED_WORK(&btrtl_coex.fw_work, (void *)rtl_ev_work);
+ INIT_DELAYED_WORK(&btrtl_coex.sock_work,
+ (void *)udpsocket_recv_data);
+ INIT_DELAYED_WORK(&btrtl_coex.l2_work, (void *)rtl_l2_work);
+
+ init_timer(&btrtl_coex.polling_timer);
+ init_timer(&btrtl_coex.a2dp_count_timer);
+ init_timer(&btrtl_coex.pan_count_timer);
+ init_timer(&btrtl_coex.hogp_count_timer);
+
+ btrtl_coex.hdev = hdev;
+ btrtl_coex.wifi_on = 0;
+
+ init_profile_hash(&btrtl_coex);
+ init_connection_hash(&btrtl_coex);
+
+ btrtl_coex.pkt_type = 0;
+ btrtl_coex.expect = 0;
+ btrtl_coex.elen = 0;
+ btrtl_coex.tbuff = NULL;
+
+ create_udpsocket();
+ udpsocket_send(invite_req, sizeof(invite_req));
+
+ /* Just for test */
+ //ctl.polling_enable = 1;
+ //ctl.polling_time = 1;
+ //ctl.autoreport_enable = 1;
+ //rtk_handle_bt_info_control((u8 *)&ctl);
+}
+
+void rtk_btcoex_close(void)
+{
+ int kk = 0;
+
+ if (!test_and_clear_bit(RTL_COEX_RUNNING, &btrtl_coex.flags)) {
+ RTKBT_WARN("RTL COEX is already closed.");
+ return;
+ }
+
+ RTKBT_INFO("Close BTCOEX");
+
+ /* Close coex socket */
+ if (btrtl_coex.wifi_on)
+ udpsocket_send(bt_leave, sizeof(bt_leave));
+ cancel_delayed_work_sync(&btrtl_coex.sock_work);
+ if (btrtl_coex.sock_open) {
+ btrtl_coex.sock_open = 0;
+ RTKBT_DBG("release udp socket");
+ sock_release(btrtl_coex.udpsock);
+ }
+
+ /* Delete all timers */
+ if (btrtl_coex.polling_enable) {
+ btrtl_coex.polling_enable = 0;
+ del_timer_sync(&(btrtl_coex.polling_timer));
+ }
+ del_timer_sync(&(btrtl_coex.a2dp_count_timer));
+ del_timer_sync(&(btrtl_coex.pan_count_timer));
+
+ cancel_delayed_work_sync(&btrtl_coex.fw_work);
+ cancel_delayed_work_sync(&btrtl_coex.l2_work);
+
+ flush_connection_hash(&btrtl_coex);
+ flush_profile_hash(&btrtl_coex);
+ btrtl_coex.profile_bitmap = 0;
+ btrtl_coex.profile_status = 0;
+ for (kk = 0; kk < 8; kk++)
+ btrtl_coex.profile_refcount[kk] = 0;
+
+ rtl_free_frags(&btrtl_coex);
+ RTKBT_DBG("-x");
+}
+
+void rtk_btcoex_probe(struct hci_dev *hdev)
+{
+ btrtl_coex.hdev = hdev;
+ spin_lock_init(&btrtl_coex.spin_lock_sock);
+ spin_lock_init(&btrtl_coex.spin_lock_profile);
+}
+
+void rtk_btcoex_init(void)
+{
+ RTKBT_DBG("%s: version: %s", __func__, RTK_VERSION);
+ RTKBT_DBG("create workqueue");
+ btrtl_coex.sock_wq = create_workqueue("btudpwork");
+ btrtl_coex.fw_wq = create_workqueue("btfwwork");
+ rtl_alloc_buff(&btrtl_coex);
+ spin_lock_init(&btrtl_coex.rxlock);
+}
+
+void rtk_btcoex_exit(void)
+{
+ RTKBT_DBG("%s: destroy workqueue", __func__);
+ flush_workqueue(btrtl_coex.sock_wq);
+ destroy_workqueue(btrtl_coex.sock_wq);
+ flush_workqueue(btrtl_coex.fw_wq);
+ destroy_workqueue(btrtl_coex.fw_wq);
+ rtl_free_buff(&btrtl_coex);
+}
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