--- /dev/null
+/*
+ *
+ * Realtek Bluetooth USB driver
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#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/usb.h>
+
+#include <linux/ioctl.h>
+#include <linux/io.h>
+#include <linux/firmware.h>
+#include <linux/vmalloc.h>
+#include <linux/fs.h>
+#include <linux/uaccess.h>
+#include <linux/reboot.h>
+
+#include "rtk_btusb.h"
+
+#define RTKBT_RELEASE_NAME "20170302_BT_ANDROID_7.0"
+#define VERSION "4.1.4"
+
+#define SUSPNED_DW_FW 0
+#define SET_WAKEUP_DEVICE 0
+
+
+static spinlock_t queue_lock;
+static spinlock_t dlfw_lock;
+static volatile uint16_t dlfw_dis_state = 0;
+
+#if SUSPNED_DW_FW
+static firmware_info *fw_info_4_suspend = NULL;
+#endif
+
+static patch_info fw_patch_table[] = {
+/* { vid, pid, lmp_sub_default, lmp_sub, everion, mp_fw_name, fw_name, config_name, fw_cache, fw_len, mac_offset } */
+{ 0x0BDA, 0x1724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723A */
+{ 0x0BDA, 0x8723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE */
+{ 0x0BDA, 0xA723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE for LI */
+{ 0x0BDA, 0x0723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE */
+{ 0x13D3, 0x3394, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE for Azurewave*/
+
+{ 0x0BDA, 0x0724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
+{ 0x0BDA, 0x8725, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
+{ 0x0BDA, 0x872A, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
+{ 0x0BDA, 0x872B, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */
+
+{ 0x0BDA, 0xb720, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BU */
+{ 0x0BDA, 0xb72A, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BU */
+{ 0x0BDA, 0xb728, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for LC */
+{ 0x0BDA, 0xb723, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb72B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb001, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for HP */
+{ 0x0BDA, 0xb002, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb003, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb004, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+{ 0x0BDA, 0xb005, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */
+
+{ 0x13D3, 0x3410, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */
+{ 0x13D3, 0x3416, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */
+{ 0x13D3, 0x3459, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */
+{ 0x0489, 0xE085, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Foxconn */
+{ 0x0489, 0xE08B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Foxconn */
+
+{ 0x0BDA, 0x2850, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU */
+{ 0x0BDA, 0xA761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU only */
+{ 0x0BDA, 0x818B, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AW + 8192EU */
+{ 0x0BDA, 0x818C, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AW + 8192EU */
+{ 0x0BDA, 0x8760, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8192EE */
+{ 0x0BDA, 0xB761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AUV only */
+{ 0x0BDA, 0x8761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8192EE for LI */
+{ 0x0BDA, 0x8A60, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8812ae_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8812AE */
+
+{ 0x0BDA, 0x8821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x0BDA, 0x0821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x0BDA, 0x0823, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AU */
+{ 0x13D3, 0x3414, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x13D3, 0x3458, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x13D3, 0x3461, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+{ 0x13D3, 0x3462, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */
+
+{ 0x0BDA, 0xB822, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BE */
+{ 0x0BDA, 0xB82C, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BU */
+{ 0x0BDA, 0xB023, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BE */
+{ 0x0BDA, 0xB703, 0x8703, 0, 0, "mp_rtl8723c_fw", "rtl8723c_fw", "rtl8723c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8723CU */
+/* todo: RTL8703BU */
+
+{ 0x0BDA, 0xD723, 0x8723, 0, 0, "mp_rtl8723d_fw", "rtl8723d_fw", "rtl8723d_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8723DU */
+{ 0x0BDA, 0xD720, 0x8723, 0, 0, "mp_rtl8723d_fw", "rtl8723d_fw", "rtl8723d_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8723DE */
+{ 0x0BDA, 0xB820, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CU */
+{ 0x0BDA, 0xC820, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CU */
+{ 0x0BDA, 0xC821, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CE */
+/* todo: RTL8703CU */
+
+/* NOTE: must append patch entries above the null entry */
+{ 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, 0, 0 }
+};
+
+struct btusb_data {
+ struct hci_dev *hdev;
+ struct usb_device *udev;
+ struct usb_interface *intf;
+ struct usb_interface *isoc;
+
+ spinlock_t lock;
+
+ unsigned long flags;
+
+ struct work_struct work;
+ struct work_struct waker;
+
+ struct usb_anchor tx_anchor;
+ struct usb_anchor intr_anchor;
+ struct usb_anchor bulk_anchor;
+ struct usb_anchor isoc_anchor;
+ struct usb_anchor deferred;
+ int tx_in_flight;
+ spinlock_t txlock;
+
+ struct usb_endpoint_descriptor *intr_ep;
+ struct usb_endpoint_descriptor *bulk_tx_ep;
+ struct usb_endpoint_descriptor *bulk_rx_ep;
+ struct usb_endpoint_descriptor *isoc_tx_ep;
+ struct usb_endpoint_descriptor *isoc_rx_ep;
+
+ __u8 cmdreq_type;
+
+ unsigned int sco_num;
+ int isoc_altsetting;
+ int suspend_count;
+//#ifdef CONFIG_HAS_EARLYSUSPEND
+#if 0
+ struct early_suspend early_suspend;
+#else
+ struct notifier_block pm_notifier;
+ struct notifier_block reboot_notifier;
+#endif
+ firmware_info *fw_info;
+};
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1)
+static bool reset_on_close = 0;
+#endif
+
+int download_patch(firmware_info *fw_info, int cached);
+
+static inline int check_set_dlfw_state_value(uint16_t change_value)
+{
+ spin_lock(&dlfw_lock);
+ if(!dlfw_dis_state) {
+ dlfw_dis_state = change_value;
+ }
+ spin_unlock(&dlfw_lock);
+ return dlfw_dis_state;
+}
+
+static inline void set_dlfw_state_value(uint16_t change_value)
+{
+ spin_lock(&dlfw_lock);
+ dlfw_dis_state = change_value;
+ spin_unlock(&dlfw_lock);
+}
+
+#if SUSPNED_DW_FW
+static int download_suspend_patch(firmware_info *fw_info, int cached);
+#endif
+#if SET_WAKEUP_DEVICE
+static void set_wakeup_device_from_conf(firmware_info *fw_info);
+int set_wakeup_device(firmware_info* fw_info, uint8_t* wakeup_bdaddr);
+#endif
+
+static void rtk_free( struct btusb_data *data)
+{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 1)
+ kfree(data);
+#endif
+ return;
+}
+
+static struct btusb_data *rtk_alloc(struct usb_interface *intf)
+{
+ struct btusb_data *data;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 1)
+ data = kzalloc(sizeof(*data), GFP_KERNEL);
+#else
+ data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
+#endif
+ return data;
+}
+
+static void print_acl(struct sk_buff *skb, int direction)
+{
+#if PRINT_ACL_DATA
+ uint wlength = skb->len;
+ u16 *handle = (u16 *)(skb->data);
+ u16 len = *(handle+1);
+ u8 *acl_data = (u8 *)(skb->data);
+
+ RTK_INFO("%s: direction %d, handle %04x, len %d",
+ __func__, direction, *handle, len);
+#endif
+}
+
+static void print_sco(struct sk_buff *skb, int direction)
+{
+#if PRINT_SCO_DATA
+ uint wlength = skb->len;
+ u16 *handle = (u16 *)(skb->data);
+ u8 len = *(u8 *)(handle+1);
+ u8 *sco_data =(u8 *)(skb->data);
+
+ RTKBT_INFO("%s: direction %d, handle %04x, len %d",
+ __func__, direction, *handle, len);
+#endif
+}
+
+static void print_error_command(struct sk_buff *skb)
+{
+ uint wlength = skb->len;
+ uint icount = 0;
+ u16 *opcode = (u16*)(skb->data);
+ u8 *cmd_data = (u8*)(skb->data);
+ u8 len = *(cmd_data+2);
+
+ switch (*opcode) {
+ case HCI_OP_INQUIRY:
+ printk("HCI_OP_INQUIRY");
+ break;
+ case HCI_OP_INQUIRY_CANCEL:
+ printk("HCI_OP_INQUIRY_CANCEL");
+ break;
+ case HCI_OP_EXIT_PERIODIC_INQ:
+ printk("HCI_OP_EXIT_PERIODIC_INQ");
+ break;
+ case HCI_OP_CREATE_CONN:
+ printk("HCI_OP_CREATE_CONN");
+ break;
+ case HCI_OP_DISCONNECT:
+ printk("HCI_OP_DISCONNECT");
+ break;
+ case HCI_OP_CREATE_CONN_CANCEL:
+ printk("HCI_OP_CREATE_CONN_CANCEL");
+ break;
+ case HCI_OP_ACCEPT_CONN_REQ:
+ printk("HCI_OP_ACCEPT_CONN_REQ");
+ break;
+ case HCI_OP_REJECT_CONN_REQ:
+ printk("HCI_OP_REJECT_CONN_REQ");
+ break;
+ case HCI_OP_AUTH_REQUESTED:
+ printk("HCI_OP_AUTH_REQUESTED");
+ break;
+ case HCI_OP_SET_CONN_ENCRYPT:
+ printk("HCI_OP_SET_CONN_ENCRYPT");
+ break;
+ case HCI_OP_REMOTE_NAME_REQ:
+ printk("HCI_OP_REMOTE_NAME_REQ");
+ break;
+ case HCI_OP_READ_REMOTE_FEATURES:
+ printk("HCI_OP_READ_REMOTE_FEATURES");
+ break;
+ case HCI_OP_SNIFF_MODE:
+ printk("HCI_OP_SNIFF_MODE");
+ break;
+ case HCI_OP_EXIT_SNIFF_MODE:
+ printk("HCI_OP_EXIT_SNIFF_MODE");
+ break;
+ case HCI_OP_SWITCH_ROLE:
+ printk("HCI_OP_SWITCH_ROLE");
+ break;
+ case HCI_OP_SNIFF_SUBRATE:
+ printk("HCI_OP_SNIFF_SUBRATE");
+ break;
+ case HCI_OP_RESET:
+ printk("HCI_OP_RESET");
+ break;
+ case HCI_OP_Write_Extended_Inquiry_Response:
+ printk("HCI_Write_Extended_Inquiry_Response");
+ break;
+
+ default:
+ printk("CMD");
+ break;
+ }
+ printk(":%04x,len:%d,", *opcode,len);
+ for (icount = 3; (icount < wlength) && (icount < 24); icount++)
+ printk("%02x ", *(cmd_data+icount));
+ printk("\n");
+}
+
+static void print_command(struct sk_buff *skb)
+{
+#if PRINT_CMD_EVENT
+ print_error_command(skb);
+#endif
+}
+
+#if CONFIG_BLUEDROID
+/* Global parameters for bt usb char driver */
+#define BT_CHAR_DEVICE_NAME "rtk_btusb"
+struct mutex btchr_mutex;
+static struct sk_buff_head btchr_readq;
+static wait_queue_head_t btchr_read_wait;
+static wait_queue_head_t bt_dlfw_wait;
+static int bt_char_dev_registered;
+static dev_t bt_devid; /* bt char device number */
+static struct cdev bt_char_dev; /* bt character device structure */
+static struct class *bt_char_class; /* device class for usb char driver */
+static int bt_reset = 0;
+/* HCI device & lock */
+DEFINE_RWLOCK(hci_dev_lock);
+struct hci_dev *ghdev = NULL;
+
+static void print_event(struct sk_buff *skb)
+{
+#if PRINT_CMD_EVENT
+ uint wlength = skb->len;
+ uint icount = 0;
+ u8 *opcode = (u8*)(skb->data);
+ u8 len = *(opcode+1);
+
+ switch (*opcode) {
+ case HCI_EV_INQUIRY_COMPLETE:
+ printk("HCI_EV_INQUIRY_COMPLETE");
+ break;
+ case HCI_EV_INQUIRY_RESULT:
+ printk("HCI_EV_INQUIRY_RESULT");
+ break;
+ case HCI_EV_CONN_COMPLETE:
+ printk("HCI_EV_CONN_COMPLETE");
+ break;
+ case HCI_EV_CONN_REQUEST:
+ printk("HCI_EV_CONN_REQUEST");
+ break;
+ case HCI_EV_DISCONN_COMPLETE:
+ printk("HCI_EV_DISCONN_COMPLETE");
+ break;
+ case HCI_EV_AUTH_COMPLETE:
+ printk("HCI_EV_AUTH_COMPLETE");
+ break;
+ case HCI_EV_REMOTE_NAME:
+ printk("HCI_EV_REMOTE_NAME");
+ break;
+ case HCI_EV_ENCRYPT_CHANGE:
+ printk("HCI_EV_ENCRYPT_CHANGE");
+ break;
+ case HCI_EV_CHANGE_LINK_KEY_COMPLETE:
+ printk("HCI_EV_CHANGE_LINK_KEY_COMPLETE");
+ break;
+ case HCI_EV_REMOTE_FEATURES:
+ printk("HCI_EV_REMOTE_FEATURES");
+ break;
+ case HCI_EV_REMOTE_VERSION:
+ printk("HCI_EV_REMOTE_VERSION");
+ break;
+ case HCI_EV_QOS_SETUP_COMPLETE:
+ printk("HCI_EV_QOS_SETUP_COMPLETE");
+ break;
+ case HCI_EV_CMD_COMPLETE:
+ printk("HCI_EV_CMD_COMPLETE");
+ break;
+ case HCI_EV_CMD_STATUS:
+ printk("HCI_EV_CMD_STATUS");
+ break;
+ case HCI_EV_ROLE_CHANGE:
+ printk("HCI_EV_ROLE_CHANGE");
+ break;
+ case HCI_EV_NUM_COMP_PKTS:
+ printk("HCI_EV_NUM_COMP_PKTS");
+ break;
+ case HCI_EV_MODE_CHANGE:
+ printk("HCI_EV_MODE_CHANGE");
+ break;
+ case HCI_EV_PIN_CODE_REQ:
+ printk("HCI_EV_PIN_CODE_REQ");
+ break;
+ case HCI_EV_LINK_KEY_REQ:
+ printk("HCI_EV_LINK_KEY_REQ");
+ break;
+ case HCI_EV_LINK_KEY_NOTIFY:
+ printk("HCI_EV_LINK_KEY_NOTIFY");
+ break;
+ case HCI_EV_CLOCK_OFFSET:
+ printk("HCI_EV_CLOCK_OFFSET");
+ break;
+ case HCI_EV_PKT_TYPE_CHANGE:
+ printk("HCI_EV_PKT_TYPE_CHANGE");
+ break;
+ case HCI_EV_PSCAN_REP_MODE:
+ printk("HCI_EV_PSCAN_REP_MODE");
+ break;
+ case HCI_EV_INQUIRY_RESULT_WITH_RSSI:
+ printk("HCI_EV_INQUIRY_RESULT_WITH_RSSI");
+ break;
+ case HCI_EV_REMOTE_EXT_FEATURES:
+ printk("HCI_EV_REMOTE_EXT_FEATURES");
+ break;
+ case HCI_EV_SYNC_CONN_COMPLETE:
+ printk("HCI_EV_SYNC_CONN_COMPLETE");
+ break;
+ case HCI_EV_SYNC_CONN_CHANGED:
+ printk("HCI_EV_SYNC_CONN_CHANGED");
+ break;
+ case HCI_EV_SNIFF_SUBRATE:
+ printk("HCI_EV_SNIFF_SUBRATE");
+ break;
+ case HCI_EV_EXTENDED_INQUIRY_RESULT:
+ printk("HCI_EV_EXTENDED_INQUIRY_RESULT");
+ break;
+ case HCI_EV_IO_CAPA_REQUEST:
+ printk("HCI_EV_IO_CAPA_REQUEST");
+ break;
+ case HCI_EV_SIMPLE_PAIR_COMPLETE:
+ printk("HCI_EV_SIMPLE_PAIR_COMPLETE");
+ break;
+ case HCI_EV_REMOTE_HOST_FEATURES:
+ printk("HCI_EV_REMOTE_HOST_FEATURES");
+ break;
+ default:
+ printk("event");
+ break;
+ }
+ printk(":%02x,len:%d,", *opcode,len);
+ for (icount = 2; (icount < wlength) && (icount < 24); icount++)
+ printk("%02x ", *(opcode+icount));
+ printk("\n");
+#endif
+}
+
+static inline ssize_t usb_put_user(struct sk_buff *skb,
+ char __user *buf, int count)
+{
+ char __user *ptr = buf;
+ int len = min_t(unsigned int, skb->len, count);
+
+ if (copy_to_user(ptr, skb->data, len))
+ return -EFAULT;
+
+ return len;
+}
+
+static struct sk_buff *rtk_skb_queue[QUEUE_SIZE];
+static int rtk_skb_queue_front = 0;
+static int rtk_skb_queue_rear = 0;
+
+static void rtk_enqueue(struct sk_buff *skb)
+{
+ spin_lock(&queue_lock);
+ if (rtk_skb_queue_front == (rtk_skb_queue_rear + 1) % QUEUE_SIZE) {
+ /*
+ * If queue is full, current solution is to drop
+ * the following entries.
+ */
+ RTKBT_WARN("%s: Queue is full, entry will be dropped", __func__);
+ } else {
+ rtk_skb_queue[rtk_skb_queue_rear] = skb;
+
+ rtk_skb_queue_rear++;
+ rtk_skb_queue_rear %= QUEUE_SIZE;
+
+ }
+ spin_unlock(&queue_lock);
+}
+
+static struct sk_buff *rtk_dequeue_try(unsigned int deq_len)
+{
+ struct sk_buff *skb;
+ struct sk_buff *skb_copy;
+
+ if (rtk_skb_queue_front == rtk_skb_queue_rear) {
+ RTKBT_WARN("%s: Queue is empty", __func__);
+ return NULL;
+ }
+
+ skb = rtk_skb_queue[rtk_skb_queue_front];
+ if (deq_len >= skb->len) {
+
+ rtk_skb_queue_front++;
+ rtk_skb_queue_front %= QUEUE_SIZE;
+
+ /*
+ * Return skb addr to be dequeued, and the caller
+ * should free the skb eventually.
+ */
+ return skb;
+ } else {
+ skb_copy = pskb_copy(skb, GFP_ATOMIC);
+ skb_pull(skb, deq_len);
+ /* Return its copy to be freed */
+ return skb_copy;
+ }
+}
+
+static inline int is_queue_empty(void)
+{
+ return (rtk_skb_queue_front == rtk_skb_queue_rear) ? 1 : 0;
+}
+
+/*
+ * Realtek - Integrate from hci_core.c
+ */
+
+/* Get HCI device by index.
+ * Device is held on return. */
+static struct hci_dev *hci_dev_get(int index)
+{
+ if (index != 0)
+ return NULL;
+
+ return ghdev;
+}
+
+/* ---- HCI ioctl helpers ---- */
+static int hci_dev_open(__u16 dev)
+{
+ struct hci_dev *hdev;
+ int ret = 0;
+
+ RTKBT_DBG("%s: dev %d", __func__, dev);
+
+ hdev = hci_dev_get(dev);
+ if (!hdev) {
+ RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
+ return -ENODEV;
+ }
+
+ if (test_bit(HCI_UNREGISTER, &hdev->dev_flags)) {
+ ret = -ENODEV;
+ goto done;
+ }
+
+ if (test_bit(HCI_UP, &hdev->flags)) {
+ ret = -EALREADY;
+ goto done;
+ }
+
+done:
+ return ret;
+}
+
+static int hci_dev_do_close(struct hci_dev *hdev)
+{
+ if (hdev->flush)
+ hdev->flush(hdev);
+ /* After this point our queues are empty
+ * and no tasks are scheduled. */
+ hdev->close(hdev);
+ /* Clear flags */
+ hdev->flags = 0;
+ return 0;
+}
+
+static int hci_dev_close(__u16 dev)
+{
+ struct hci_dev *hdev;
+ int err;
+ hdev = hci_dev_get(dev);
+ if (!hdev) {
+ RTKBT_ERR("%s: failed to get hci dev[Null]", __func__);
+ return -ENODEV;
+ }
+
+ err = hci_dev_do_close(hdev);
+
+ return err;
+}
+
+static struct hci_dev *hci_alloc_dev(void)
+{
+ struct hci_dev *hdev;
+
+ hdev = kzalloc(sizeof(struct hci_dev), GFP_KERNEL);
+ if (!hdev)
+ return NULL;
+
+ return hdev;
+}
+
+/* Free HCI device */
+static void hci_free_dev(struct hci_dev *hdev)
+{
+ kfree(hdev);
+}
+
+/* Register HCI device */
+static int hci_register_dev(struct hci_dev *hdev)
+{
+ int i, id;
+
+ RTKBT_DBG("%s: %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus);
+ /* Do not allow HCI_AMP devices to register at index 0,
+ * so the index can be used as the AMP controller ID.
+ */
+ id = (hdev->dev_type == HCI_BREDR) ? 0 : 1;
+
+ write_lock(&hci_dev_lock);
+
+ sprintf(hdev->name, "hci%d", id);
+ hdev->id = id;
+ hdev->flags = 0;
+ hdev->dev_flags = 0;
+ mutex_init(&hdev->lock);
+
+ RTKBT_DBG("%s: id %d, name %s", __func__, hdev->id, hdev->name);
+
+
+ for (i = 0; i < NUM_REASSEMBLY; i++)
+ hdev->reassembly[i] = NULL;
+
+ memset(&hdev->stat, 0, sizeof(struct hci_dev_stats));
+ atomic_set(&hdev->promisc, 0);
+
+ if (ghdev) {
+ write_unlock(&hci_dev_lock);
+ RTKBT_ERR("%s: Hci device has been registered already", __func__);
+ return -1;
+ } else
+ ghdev = hdev;
+
+ write_unlock(&hci_dev_lock);
+
+ return id;
+}
+
+/* Unregister HCI device */
+static void hci_unregister_dev(struct hci_dev *hdev)
+{
+ int i;
+
+ RTKBT_DBG("%s: hdev %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus);
+ set_bit(HCI_UNREGISTER, &hdev->dev_flags);
+
+ write_lock(&hci_dev_lock);
+ ghdev = NULL;
+ write_unlock(&hci_dev_lock);
+
+ hci_dev_do_close(hdev);
+ for (i = 0; i < NUM_REASSEMBLY; i++)
+ kfree_skb(hdev->reassembly[i]);
+}
+
+static void hci_send_to_stack(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct sk_buff *rtk_skb_copy = NULL;
+
+ RTKBT_DBG("%s", __func__);
+
+ if (!hdev) {
+ RTKBT_ERR("%s: Frame for unknown HCI device", __func__);
+ return;
+ }
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags)) {
+ RTKBT_ERR("%s: HCI not running", __func__);
+ return;
+ }
+
+ rtk_skb_copy = pskb_copy(skb, GFP_ATOMIC);
+ if (!rtk_skb_copy) {
+ RTKBT_ERR("%s: Copy skb error", __func__);
+ return;
+ }
+
+ memcpy(skb_push(rtk_skb_copy, 1), &bt_cb(skb)->pkt_type, 1);
+ rtk_enqueue(rtk_skb_copy);
+
+ /* Make sure bt char device existing before wakeup read queue */
+ hdev = hci_dev_get(0);
+ if (hdev) {
+ RTKBT_DBG("%s: Try to wakeup read queue", __func__);
+ wake_up_interruptible(&btchr_read_wait);
+ }
+
+ return;
+}
+
+/* Receive frame from HCI drivers */
+static int hci_recv_frame(struct sk_buff *skb)
+{
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+
+ if (!hdev ||
+ (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) {
+ kfree_skb(skb);
+ return -ENXIO;
+ }
+
+ /* Incomming skb */
+ bt_cb(skb)->incoming = 1;
+
+ /* Time stamp */
+ __net_timestamp(skb);
+
+ if (atomic_read(&hdev->promisc)) {
+ /* Send copy to the sockets */
+ hci_send_to_stack(hdev, skb);
+ }
+ kfree_skb(skb);
+ return 0;
+}
+
+static int hci_reassembly(struct hci_dev *hdev, int type, void *data,
+ int count, __u8 index)
+{
+ int len = 0;
+ int hlen = 0;
+ int remain = count;
+ struct sk_buff *skb;
+ struct bt_skb_cb *scb;
+
+ RTKBT_DBG("%s", __func__);
+
+ if ((type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) ||
+ index >= NUM_REASSEMBLY)
+ return -EILSEQ;
+
+ skb = hdev->reassembly[index];
+
+ if (!skb) {
+ switch (type) {
+ case HCI_ACLDATA_PKT:
+ len = HCI_MAX_FRAME_SIZE;
+ hlen = HCI_ACL_HDR_SIZE;
+ break;
+ case HCI_EVENT_PKT:
+ len = HCI_MAX_EVENT_SIZE;
+ hlen = HCI_EVENT_HDR_SIZE;
+ break;
+ case HCI_SCODATA_PKT:
+ len = HCI_MAX_SCO_SIZE;
+ hlen = HCI_SCO_HDR_SIZE;
+ break;
+ }
+
+ skb = bt_skb_alloc(len, GFP_ATOMIC);
+ if (!skb)
+ return -ENOMEM;
+
+ scb = (void *) skb->cb;
+ scb->expect = hlen;
+ scb->pkt_type = type;
+
+ skb->dev = (void *) hdev;
+ hdev->reassembly[index] = skb;
+ }
+
+ while (count) {
+ scb = (void *) skb->cb;
+ len = min_t(uint, scb->expect, count);
+
+ memcpy(skb_put(skb, len), data, len);
+
+ count -= len;
+ data += len;
+ scb->expect -= len;
+ remain = count;
+
+ switch (type) {
+ case HCI_EVENT_PKT:
+ if (skb->len == HCI_EVENT_HDR_SIZE) {
+ struct hci_event_hdr *h = hci_event_hdr(skb);
+ scb->expect = h->plen;
+
+ if (skb_tailroom(skb) < scb->expect) {
+ kfree_skb(skb);
+ hdev->reassembly[index] = NULL;
+ return -ENOMEM;
+ }
+ }
+ break;
+
+ case HCI_ACLDATA_PKT:
+ if (skb->len == HCI_ACL_HDR_SIZE) {
+ struct hci_acl_hdr *h = hci_acl_hdr(skb);
+ scb->expect = __le16_to_cpu(h->dlen);
+
+ if (skb_tailroom(skb) < scb->expect) {
+ kfree_skb(skb);
+ hdev->reassembly[index] = NULL;
+ return -ENOMEM;
+ }
+ }
+ break;
+
+ case HCI_SCODATA_PKT:
+ if (skb->len == HCI_SCO_HDR_SIZE) {
+ struct hci_sco_hdr *h = hci_sco_hdr(skb);
+ scb->expect = h->dlen;
+
+ if (skb_tailroom(skb) < scb->expect) {
+ kfree_skb(skb);
+ hdev->reassembly[index] = NULL;
+ return -ENOMEM;
+ }
+ }
+ break;
+ }
+
+ if (scb->expect == 0) {
+ /* Complete frame */
+ if(HCI_ACLDATA_PKT == type)
+ print_acl(skb,0);
+ if(HCI_SCODATA_PKT == type)
+ print_sco(skb,0);
+ if(HCI_EVENT_PKT == type)
+ print_event(skb);
+
+ bt_cb(skb)->pkt_type = type;
+ hci_recv_frame(skb);
+
+ hdev->reassembly[index] = NULL;
+ return remain;
+ }
+ }
+
+ return remain;
+}
+
+static int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count)
+{
+ int rem = 0;
+
+ if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT)
+ return -EILSEQ;
+
+ while (count) {
+ rem = hci_reassembly(hdev, type, data, count, type - 1);
+ if (rem < 0)
+ return rem;
+
+ data += (count - rem);
+ count = rem;
+ }
+
+ return rem;
+}
+
+void hci_hardware_error(void)
+{
+ struct sk_buff *rtk_skb_copy = NULL;
+ int len = 3;
+ uint8_t hardware_err_pkt[4] = {HCI_EVENT_PKT, 0x10, 0x01, HCI_VENDOR_USB_DISC_HARDWARE_ERROR};
+
+ rtk_skb_copy = alloc_skb(len, GFP_ATOMIC);
+ if (!rtk_skb_copy) {
+ RTKBT_ERR("%s: Failed to allocate mem", __func__);
+ return;
+ }
+
+ memcpy(skb_put(rtk_skb_copy, len), hardware_err_pkt, len);
+ rtk_enqueue(rtk_skb_copy);
+
+ wake_up_interruptible(&btchr_read_wait);
+}
+
+static int btchr_open(struct inode *inode_p, struct file *file_p)
+{
+ struct btusb_data *data;
+ struct hci_dev *hdev;
+
+ RTKBT_INFO("%s: BT usb char device is opening", __func__);
+ /* Not open unless wanna tracing log */
+ /* trace_printk("%s: open....\n", __func__); */
+
+ hdev = hci_dev_get(0);
+ if (!hdev) {
+ RTKBT_ERR("%s: Failed to get hci dev[NULL]", __func__);
+ return -ENODEV;
+ }
+ data = GET_DRV_DATA(hdev);
+
+ atomic_inc(&hdev->promisc);
+ /*
+ * As bt device is not re-opened when hotplugged out, we cannot
+ * trust on file's private data(may be null) when other file ops
+ * are invoked.
+ */
+ file_p->private_data = data;
+
+ mutex_lock(&btchr_mutex);
+ hci_dev_open(0);
+ mutex_unlock(&btchr_mutex);
+
+ return nonseekable_open(inode_p, file_p);
+}
+
+static int btchr_close(struct inode *inode_p, struct file *file_p)
+{
+ struct btusb_data *data;
+ struct hci_dev *hdev;
+
+ RTKBT_INFO("%s: BT usb char device is closing", __func__);
+ /* Not open unless wanna tracing log */
+ /* trace_printk("%s: close....\n", __func__); */
+
+ data = file_p->private_data;
+ file_p->private_data = NULL;
+
+#if CONFIG_BLUEDROID
+ /*
+ * If the upper layer closes bt char interfaces, no reset
+ * action required even bt device hotplugged out.
+ */
+ bt_reset = 0;
+#endif
+
+ hdev = hci_dev_get(0);
+ if (hdev) {
+ atomic_set(&hdev->promisc, 0);
+ mutex_lock(&btchr_mutex);
+ hci_dev_close(0);
+ mutex_unlock(&btchr_mutex);
+ }
+
+ return 0;
+}
+
+static ssize_t btchr_read(struct file *file_p,
+ char __user *buf_p,
+ size_t count,
+ loff_t *pos_p)
+{
+ struct hci_dev *hdev;
+ struct sk_buff *skb;
+ ssize_t ret = 0;
+
+ RTKBT_DBG("%s: BT usb char device is reading", __func__);
+
+ while (count) {
+ hdev = hci_dev_get(0);
+ if (!hdev) {
+ /*
+ * Note: Only when BT device hotplugged out, we wil get
+ * into such situation. In order to keep the upper layer
+ * stack alive (blocking the read), we should never return
+ * EFAULT or break the loop.
+ */
+ RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
+ }
+
+ ret = wait_event_interruptible(btchr_read_wait, !is_queue_empty());
+ if (ret < 0) {
+ RTKBT_ERR("%s: wait event is signaled %d", __func__, (int) ret);
+ break;
+ }
+
+ skb = rtk_dequeue_try(count);
+ if (skb) {
+ ret = usb_put_user(skb, buf_p, count);
+ if (ret < 0)
+ RTKBT_ERR("%s: Failed to put data to user space", __func__);
+ kfree_skb(skb);
+ break;
+ }
+ }
+
+ return ret;
+}
+
+static ssize_t btchr_write(struct file *file_p,
+ const char __user *buf_p,
+ size_t count,
+ loff_t *pos_p)
+{
+ struct btusb_data *data = file_p->private_data;
+ struct hci_dev *hdev;
+ struct sk_buff *skb;
+
+ RTKBT_DBG("%s: BT usb char device is writing", __func__);
+
+ hdev = hci_dev_get(0);
+ if (!hdev) {
+ RTKBT_WARN("%s: Failed to get hci dev[Null]", __func__);
+ /*
+ * Note: we bypass the data from the upper layer if bt device
+ * is hotplugged out. Fortunatelly, H4 or H5 HCI stack does
+ * NOT check btchr_write's return value. However, returning
+ * count instead of EFAULT is preferable.
+ */
+ /* return -EFAULT; */
+ return count;
+ }
+
+ /* Never trust on btusb_data, as bt device may be hotplugged out */
+ data = GET_DRV_DATA(hdev);
+ if (!data) {
+ RTKBT_WARN("%s: Failed to get bt usb driver data[Null]", __func__);
+ return count;
+ }
+
+ if (count > HCI_MAX_FRAME_SIZE)
+ return -EINVAL;
+
+ skb = bt_skb_alloc(count, GFP_ATOMIC);
+ if (!skb)
+ return -ENOMEM;
+ skb_reserve(skb, -1); // Add this line
+
+ if (copy_from_user(skb_put(skb, count), buf_p, count)) {
+ RTKBT_ERR("%s: Failed to get data from user space", __func__);
+ kfree_skb(skb);
+ return -EFAULT;
+ }
+
+ skb->dev = (void *)hdev;
+ bt_cb(skb)->pkt_type = *((__u8 *)skb->data);
+ skb_pull(skb, 1);
+ data->hdev->send(skb);
+
+ return count;
+}
+
+static unsigned int btchr_poll(struct file *file_p, poll_table *wait)
+{
+ struct btusb_data *data = file_p->private_data;
+ struct hci_dev *hdev;
+
+ RTKBT_DBG("%s: BT usb char device is polling", __func__);
+
+ poll_wait(file_p, &btchr_read_wait, wait);
+
+ hdev = hci_dev_get(0);
+ if (!hdev) {
+ RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__);
+ mdelay(URB_CANCELING_DELAY_MS);
+ return POLLOUT | POLLWRNORM;
+ }
+
+ /* Never trust on btusb_data, as bt device may be hotplugged out */
+ data = GET_DRV_DATA(hdev);
+ if (!data) {
+ /*
+ * When bt device is hotplugged out, btusb_data will
+ * be freed in disconnect.
+ */
+ RTKBT_ERR("%s: Failed to get bt usb driver data[Null]", __func__);
+ mdelay(URB_CANCELING_DELAY_MS);
+ return POLLOUT | POLLWRNORM;
+ }
+
+ if (!is_queue_empty())
+ return POLLIN | POLLRDNORM;
+
+ return POLLOUT | POLLWRNORM;
+}
+static long btchr_ioctl(struct file *file_p,unsigned int cmd, unsigned long arg){
+ int ret = 0;
+ struct hci_dev *hdev;
+ struct btusb_data *data;
+ firmware_info *fw_info;
+
+ if(check_set_dlfw_state_value(1) != 1) {
+ RTKBT_ERR("%s bt controller is disconnecting!", __func__);
+ return 0;
+ }
+
+ hdev = hci_dev_get(0);
+ if(!hdev) {
+ RTKBT_ERR("%s device is NULL!", __func__);
+ set_dlfw_state_value(0);
+ return 0;
+ }
+ data = GET_DRV_DATA(hdev);
+ fw_info = data->fw_info;
+
+ RTKBT_INFO(" btchr_ioctl DOWN_FW_CFG with Cmd:%d",cmd);
+ switch (cmd) {
+ case DOWN_FW_CFG:
+ ret = usb_autopm_get_interface(data->intf);
+ if (ret < 0){
+ goto failed;
+ }
+
+ ret = download_patch(fw_info,1);
+ usb_autopm_put_interface(data->intf);
+ if(ret < 0){
+ RTKBT_ERR("%s:Failed in download_patch with ret:%d",__func__,ret);
+ goto failed;
+ }
+
+ ret = hdev->open(hdev);
+ if(ret < 0){
+ RTKBT_ERR("%s:Failed in hdev->open(hdev):%d",__func__,ret);
+ goto failed;
+ }
+ set_bit(HCI_UP, &hdev->flags);
+ set_dlfw_state_value(0);
+ wake_up_interruptible(&bt_dlfw_wait);
+ return 1;
+ default:
+ RTKBT_ERR("%s:Failed with wrong Cmd:%d",__func__,cmd);
+ goto failed;
+ }
+ failed:
+ set_dlfw_state_value(0);
+ wake_up_interruptible(&bt_dlfw_wait);
+ return ret;
+
+}
+
+
+
+static struct file_operations bt_chrdev_ops = {
+ open : btchr_open,
+ release : btchr_close,
+ read : btchr_read,
+ write : btchr_write,
+ poll : btchr_poll,
+ unlocked_ioctl : btchr_ioctl,
+};
+
+static int btchr_init(void)
+{
+ int res = 0;
+ struct device *dev;
+
+ RTKBT_INFO("Register usb char device interface for BT driver");
+ /*
+ * btchr mutex is used to sync between
+ * 1) downloading patch and opening bt char driver
+ * 2) the file operations of bt char driver
+ */
+ mutex_init(&btchr_mutex);
+
+ skb_queue_head_init(&btchr_readq);
+ init_waitqueue_head(&btchr_read_wait);
+ init_waitqueue_head(&bt_dlfw_wait);
+
+ bt_char_class = class_create(THIS_MODULE, BT_CHAR_DEVICE_NAME);
+ if (IS_ERR(bt_char_class)) {
+ RTKBT_ERR("Failed to create bt char class");
+ return PTR_ERR(bt_char_class);
+ }
+
+ res = alloc_chrdev_region(&bt_devid, 0, 1, BT_CHAR_DEVICE_NAME);
+ if (res < 0) {
+ RTKBT_ERR("Failed to allocate bt char device");
+ goto err_alloc;
+ }
+
+ dev = device_create(bt_char_class, NULL, bt_devid, NULL, BT_CHAR_DEVICE_NAME);
+ if (IS_ERR(dev)) {
+ RTKBT_ERR("Failed to create bt char device");
+ res = PTR_ERR(dev);
+ goto err_create;
+ }
+
+ cdev_init(&bt_char_dev, &bt_chrdev_ops);
+ res = cdev_add(&bt_char_dev, bt_devid, 1);
+ if (res < 0) {
+ RTKBT_ERR("Failed to add bt char device");
+ goto err_add;
+ }
+
+ return 0;
+
+err_add:
+ device_destroy(bt_char_class, bt_devid);
+err_create:
+ unregister_chrdev_region(bt_devid, 1);
+err_alloc:
+ class_destroy(bt_char_class);
+ return res;
+}
+
+static void btchr_exit(void)
+{
+ RTKBT_INFO("Unregister usb char device interface for BT driver");
+
+ device_destroy(bt_char_class, bt_devid);
+ cdev_del(&bt_char_dev);
+ unregister_chrdev_region(bt_devid, 1);
+ class_destroy(bt_char_class);
+
+ return;
+}
+#endif
+
+int send_hci_cmd(firmware_info *fw_info)
+{
+ int i = 0;
+ int ret_val = -1;
+ while((ret_val<0)&&(i++<10))
+ {
+ ret_val = usb_control_msg(
+ fw_info->udev, fw_info->pipe_out,
+ 0, USB_TYPE_CLASS, 0, 0,
+ (void *)(fw_info->send_pkt),
+ fw_info->pkt_len, MSG_TO);
+ }
+ return ret_val;
+}
+
+int rcv_hci_evt(firmware_info *fw_info)
+{
+ int ret_len = 0, ret_val = 0;
+ int i;
+
+ while (1) {
+ for(i = 0; i < 5; i++) {
+ ret_val = usb_interrupt_msg(
+ fw_info->udev, fw_info->pipe_in,
+ (void *)(fw_info->rcv_pkt), PKT_LEN,
+ &ret_len, MSG_TO);
+ if (ret_val >= 0)
+ break;
+ }
+
+ if (ret_val < 0)
+ return ret_val;
+
+ if (CMD_CMP_EVT == fw_info->evt_hdr->evt) {
+ if (fw_info->cmd_hdr->opcode == fw_info->cmd_cmp->opcode)
+ return ret_len;
+ }
+ }
+}
+
+int set_bt_onoff(firmware_info *fw_info, uint8_t onoff)
+{
+ patch_info *patch_entry;
+ int ret_val;
+
+ RTKBT_INFO("%s: %s", __func__, onoff != 0 ? "on" : "off");
+
+ patch_entry = fw_info->patch_entry;
+ if (!patch_entry)
+ return -1;
+
+ fw_info->cmd_hdr->opcode = cpu_to_le16(BTOFF_OPCODE);
+ fw_info->cmd_hdr->plen = 1;
+ fw_info->pkt_len = CMD_HDR_LEN + 1;
+ fw_info->send_pkt[CMD_HDR_LEN] = onoff;
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to send bt %s cmd, errno %d",
+ __func__, onoff != 0 ? "on" : "off", ret_val);
+ return ret_val;
+ }
+
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to receive bt %s event, errno %d",
+ __func__, onoff != 0 ? "on" : "off", ret_val);
+ return ret_val;
+ }
+
+ return ret_val;
+}
+
+static patch_info *get_fw_table_entry(struct usb_device* udev)
+{
+ patch_info *patch_entry = fw_patch_table;
+ uint16_t vid = le16_to_cpu(udev->descriptor.idVendor);
+ uint16_t pid = le16_to_cpu(udev->descriptor.idProduct);
+ uint32_t entry_size = sizeof(fw_patch_table) / sizeof(fw_patch_table[0]);
+ uint32_t i;
+
+ RTKBT_INFO("%s: Product id = 0x%04x, fw table entry size %d", __func__, pid, entry_size);
+
+ for (i = 0; i < entry_size; i++, patch_entry++) {
+ if ((vid == patch_entry->vid)&&(pid == patch_entry->pid))
+ break;
+ }
+
+ if (i == entry_size) {
+ RTKBT_ERR("%s: No fw table entry found", __func__);
+ return NULL;
+ }
+
+ return patch_entry;
+}
+
+#if SUSPNED_DW_FW
+static patch_info *get_suspend_fw_table_entry(struct usb_device* udev)
+{
+ patch_info *patch_entry = fw_patch_table;
+ uint16_t vid = le16_to_cpu(udev->descriptor.idVendor);
+ uint16_t pid = le16_to_cpu(udev->descriptor.idProduct);
+ uint32_t entry_size = sizeof(fw_patch_table) / sizeof(fw_patch_table[0]);
+ uint32_t i;
+
+ RTKBT_INFO("%s: Product id = 0x%04x, fw table entry size %d", __func__, pid, entry_size);
+
+ for (i = 0; i < entry_size; i++, patch_entry++) {
+ if ((vid == patch_entry->vid)&&(pid == patch_entry->pid))
+ break;
+ }
+
+ if (i == entry_size) {
+ RTKBT_ERR("%s: No fw table entry found", __func__);
+ return NULL;
+ }
+
+ return patch_entry;
+}
+#endif
+
+static struct rtk_epatch_entry *get_fw_patch_entry(struct rtk_epatch *epatch_info, uint16_t eco_ver)
+{
+ int patch_num = epatch_info->number_of_total_patch;
+ uint8_t *epatch_buf = (uint8_t *)epatch_info;
+ struct rtk_epatch_entry *p_entry = NULL;
+ int coex_date;
+ int coex_ver;
+ int i;
+
+ for (i = 0; i < patch_num; i++) {
+ if (*(uint16_t *)(epatch_buf + 14 + 2*i) == eco_ver + 1) {
+ p_entry = kzalloc(sizeof(*p_entry), GFP_KERNEL);
+ if (!p_entry) {
+ RTKBT_ERR("%s: Failed to allocate mem for patch entry", __func__);
+ return NULL;
+ }
+ p_entry->chip_id = eco_ver + 1;
+ p_entry->patch_length = *(uint16_t*)(epatch_buf + 14 + 2*patch_num + 2*i);
+ p_entry->start_offset = *(uint32_t*)(epatch_buf + 14 + 4*patch_num + 4*i);
+ p_entry->coex_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 12);
+ p_entry->svn_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 8);
+ p_entry->fw_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 4);
+
+ coex_date = ((p_entry->coex_version >> 16) & 0x7ff) + ((p_entry->coex_version >> 27) * 10000);
+ coex_ver = p_entry->coex_version & 0xffff;
+
+ RTKBT_INFO("BTCOEX:20%06d-0x%04x svn version:0x%08x fw version:0x%08x rtk_btusb version:%s Cut:%d, patch length:0x%04x, patch offset:0x%08x\n", \
+ coex_date, coex_ver, p_entry->svn_version, p_entry->fw_version, VERSION, p_entry->chip_id, p_entry->patch_length, p_entry->start_offset);
+ break;
+ }
+ }
+
+ return p_entry;
+}
+
+/*reset_controller is aimed to reset_bt_fw before updata Fw patch*/
+int reset_controller(firmware_info* fw_info)
+{
+ int ret_val;
+ RTKBT_ERR("reset_controller");
+
+ if (!fw_info)
+ return -ENODEV;
+
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_FORCE_RESET_AND_PATCHABLE);
+ fw_info->cmd_hdr->plen = 0;
+ fw_info->pkt_len = CMD_HDR_LEN;
+ ret_val = send_hci_cmd(fw_info);
+
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
+ __func__, fw_info->cmd_hdr->opcode, ret_val);
+ return ret_val;
+ }
+
+ //sleep 1s for firmware reset.
+ msleep(1000);
+ RTKBT_INFO("%s: Wait fw reset for 1ms",__func__);
+
+ return ret_val;
+}
+/*reset_controller is aimed to reset_bt_fw before updata Fw patch*/
+
+/*
+ * check the return value
+ * 1: need to download fw patch
+ * 0: no need to download fw patch
+ * <0: failed to check lmp version
+ */
+int check_fw_version(firmware_info* fw_info)
+{
+ struct hci_rp_read_local_version *read_ver_rsp;
+ patch_info *patch_entry = NULL;
+ int ret_val = -1;
+
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_OP_READ_LOCAL_VERSION);
+ fw_info->cmd_hdr->plen = 0;
+ fw_info->pkt_len = CMD_HDR_LEN;
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
+ __func__, fw_info->cmd_hdr->opcode, ret_val);
+ return ret_val;
+ }
+
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to receive hci event, errno %d",
+ __func__, ret_val);
+ return ret_val;
+ }
+
+ patch_entry = fw_info->patch_entry;
+ read_ver_rsp = (struct hci_rp_read_local_version *)(fw_info->rsp_para);
+
+ RTKBT_INFO("%s: Controller lmp = 0x%04x, patch lmp = 0x%04x, default patch lmp = 0x%04x",
+ __func__, read_ver_rsp->lmp_subver, patch_entry->lmp_sub, patch_entry->lmp_sub_default);
+
+ if (read_ver_rsp->lmp_subver == patch_entry->lmp_sub_default) {
+ RTKBT_INFO("%s: Cold BT controller startup", __func__);
+
+ return 2;
+
+ } else if (read_ver_rsp->lmp_subver != patch_entry->lmp_sub) {
+ RTKBT_INFO("%s: Warm BT controller startup with updated lmp", __func__);
+ return 1;
+ } else {
+ RTKBT_INFO("%s: Warm BT controller startup with same lmp", __func__);
+ return 0;
+ }
+}
+
+#if SET_WAKEUP_DEVICE
+int set_wakeup_device(firmware_info* fw_info, uint8_t* wakeup_bdaddr)
+{
+ struct rtk_eversion_evt *ever_evt;
+ int ret_val;
+
+ if (!fw_info)
+ return -ENODEV;
+
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_ADD_WAKE_UP_DEVICE);
+ fw_info->cmd_hdr->plen = 7;
+ memcpy(fw_info->req_para, wakeup_bdaddr, 7);
+ fw_info->pkt_len = CMD_HDR_LEN + 7;
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d\n",
+ __func__, fw_info->cmd_hdr->opcode, ret_val);
+ return ret_val;
+ }
+
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to receive hci event, errno %d\n",__func__, ret_val);
+ return ret_val;
+ }
+
+ ever_evt = (struct rtk_eversion_evt *)(fw_info->rsp_para);
+
+ RTKBT_DBG("%s: status %d, eversion %d", __func__, ever_evt->status, ever_evt->version);
+ return ret_val;
+}
+#endif
+
+/*reset_channel to recover the communication between wifi 8192eu with 8761 bt controller in case of geteversion error*/
+
+int reset_channel(firmware_info* fw_info)
+{
+ struct rtk_reset_evt *ever_evt;
+ int ret_val;
+
+ if (!fw_info)
+ return -ENODEV;
+
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_RESET);
+ fw_info->cmd_hdr->plen = 0;
+ fw_info->pkt_len = CMD_HDR_LEN;
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
+ __func__, fw_info->cmd_hdr->opcode, ret_val);
+ return ret_val;
+ }
+
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to receive hci event, errno %d",
+ __func__, ret_val);
+ return ret_val;
+ }
+
+ ever_evt = (struct rtk_reset_evt *)(fw_info->rsp_para);
+
+ RTKBT_INFO("%s: status %d ", __func__, ever_evt->status);
+
+ //sleep 300ms for channel reset.
+ msleep(300);
+ RTKBT_INFO("%s: Wait channel reset for 300ms",__func__);
+
+ return ret_val;
+}
+
+int read_localversion(firmware_info* fw_info)
+{
+ struct rtk_localversion_evt *ever_evt;
+ int ret_val;
+
+ if (!fw_info)
+ return -ENODEV;
+
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_LMP_VERISION);
+ fw_info->cmd_hdr->plen = 0;
+ fw_info->pkt_len = CMD_HDR_LEN;
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
+ __func__, fw_info->cmd_hdr->opcode, ret_val);
+ return ret_val;
+ }
+
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to receive hci event, errno %d",
+ __func__, ret_val);
+ return ret_val;
+ }
+
+ ever_evt = (struct rtk_localversion_evt *)(fw_info->rsp_para);
+
+ RTKBT_INFO("%s: status %d ", __func__, ever_evt->status);
+ RTKBT_INFO("%s: hci_version %d ", __func__, ever_evt->hci_version);
+ RTKBT_INFO("%s: hci_revision %d ", __func__, ever_evt->hci_revision);
+ RTKBT_INFO("%s: lmp_version %d ", __func__, ever_evt->lmp_version);
+ RTKBT_INFO("%s: lmp_subversion %d ", __func__, ever_evt->lmp_subversion);
+ RTKBT_INFO("%s: lmp_manufacture %d ", __func__, ever_evt->lmp_manufacture);
+ //sleep 300ms for channel reset.
+ msleep(300);
+ RTKBT_INFO("%s: Wait channel reset for 300ms",__func__);
+
+ return ret_val;
+}
+
+int get_eversion(firmware_info* fw_info)
+{
+ struct rtk_eversion_evt *ever_evt;
+ int ret_val;
+
+ if (!fw_info)
+ return -ENODEV;
+
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_RTK_ROM_VERISION);
+ fw_info->cmd_hdr->plen = 0;
+ fw_info->pkt_len = CMD_HDR_LEN;
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d",
+ __func__, fw_info->cmd_hdr->opcode, ret_val);
+ return ret_val;
+ }
+
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to receive hci event, errno %d",
+ __func__, ret_val);
+ return ret_val;
+ }
+
+ ever_evt = (struct rtk_eversion_evt *)(fw_info->rsp_para);
+
+ RTKBT_INFO("%s: status %d, eversion %d", __func__, ever_evt->status, ever_evt->version);
+
+ if (ever_evt->status)
+ fw_info->patch_entry->eversion = 0;
+ else
+ fw_info->patch_entry->eversion = ever_evt->version;
+
+ return ret_val;
+}
+
+void rtk_update_altsettings(patch_info *patch_entry, const unsigned char* org_config_buf, int org_config_len, unsigned char ** new_config_buf_ptr, int *new_config_len_ptr)
+{
+ static unsigned char config_buf[1024];
+ unsigned short offset[256];
+ unsigned char val[256];
+
+ struct rtk_bt_vendor_config* config = (struct rtk_bt_vendor_config*) config_buf;
+ struct rtk_bt_vendor_config_entry* entry = config->entry;
+
+ int count = 0,temp = 0, i = 0, j;
+
+ memset(config_buf, 0, sizeof(config_buf));
+ memset(offset, 0, sizeof(offset));
+ memset(val, 0, sizeof(val));
+
+ memcpy(config_buf, org_config_buf, org_config_len);
+ *new_config_buf_ptr = config_buf;
+ *new_config_len_ptr = org_config_len;
+
+ count = getAltSettings(patch_entry, offset, sizeof(offset)/sizeof(unsigned short));
+ if(count <= 0){
+ RTKBT_INFO("rtk_update_altsettings: No AltSettings");
+ return;
+ }else{
+ RTKBT_INFO("rtk_update_altsettings: %d AltSettings", count);
+ }
+
+ RTKBT_INFO("ORG Config len=%08x:\n", org_config_len);
+ for(i=0;i<=org_config_len;i+=0x10)
+ {
+ RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \
+ config_buf[i], config_buf[i+1], config_buf[i+2], config_buf[i+3], config_buf[i+4], config_buf[i+5], config_buf[i+6], config_buf[i+7], \
+ config_buf[i+8], config_buf[i+9], config_buf[i+10], config_buf[i+11], config_buf[i+12], config_buf[i+13], config_buf[i+14], config_buf[i+15]);
+ }
+
+ if (config->data_len != org_config_len - sizeof(struct rtk_bt_vendor_config))
+ {
+ RTKBT_ERR("rtk_update_altsettings: config len(%x) is not right(%x)", config->data_len, (unsigned int) (org_config_len-sizeof(struct rtk_bt_vendor_config)));
+ return;
+ }
+
+ for (i=0; i<config->data_len;)
+ {
+ for(j = 0; j < count;j++)
+ {
+ if(entry->offset == offset[j])
+ offset[j] = 0;
+ }
+ if(getAltSettingVal(patch_entry, entry->offset, val) == entry->entry_len){
+ RTKBT_INFO("rtk_update_altsettings: replace %04x[%02x]", entry->offset, entry->entry_len);
+ memcpy(entry->entry_data, val, entry->entry_len);
+ }
+ temp = entry->entry_len + sizeof(struct rtk_bt_vendor_config_entry);
+ i += temp;
+ entry = (struct rtk_bt_vendor_config_entry*)((uint8_t*)entry + temp);
+ }
+ for(j = 0; j < count;j++){
+ if(offset[j] == 0)
+ continue;
+ entry->entry_len = getAltSettingVal(patch_entry, offset[j], val);
+ if(entry->entry_len <= 0)
+ continue;
+ entry->offset = offset[j];
+ memcpy(entry->entry_data, val, entry->entry_len);
+ RTKBT_INFO("rtk_update_altsettings: add %04x[%02x]", entry->offset, entry->entry_len);
+ temp = entry->entry_len + sizeof(struct rtk_bt_vendor_config_entry);
+ i += temp;
+ entry = (struct rtk_bt_vendor_config_entry*)((uint8_t*)entry + temp);
+ }
+ config->data_len = i;
+ *new_config_buf_ptr = config_buf;
+ *new_config_len_ptr = config->data_len+sizeof(struct rtk_bt_vendor_config);
+
+ return;
+}
+
+int load_firmware(firmware_info *fw_info, uint8_t **buff)
+{
+ const struct firmware *fw, *cfg;
+ struct usb_device *udev;
+ patch_info *patch_entry;
+ char *config_name, *fw_name;
+ int fw_len = 0;
+ int ret_val;
+
+ int config_len = 0, buf_len = -1;
+ uint8_t *buf = *buff, *config_file_buf = NULL;
+ uint8_t *epatch_buf = NULL;
+
+ struct rtk_epatch *epatch_info = NULL;
+ uint8_t need_download_fw = 1;
+ struct rtk_extension_entry patch_lmp = {0};
+ struct rtk_epatch_entry *p_epatch_entry = NULL;
+ uint16_t lmp_version;
+ //uint8_t use_mp_fw = 0;
+ RTKBT_DBG("%s: start", __func__);
+
+ udev = fw_info->udev;
+ patch_entry = fw_info->patch_entry;
+ lmp_version = patch_entry->lmp_sub_default;
+ config_name = patch_entry->config_name;
+/* 1 Mptool Fw; 0 Normal Fw */
+ if(DRV_MP_MODE == mp_drv_mode){
+ fw_name = patch_entry->mp_patch_name;
+ }else{
+ fw_name = patch_entry->patch_name;
+ }
+
+ RTKBT_INFO("%s: Default lmp version = 0x%04x, config file name[%s], "
+ "fw file name[%s]", __func__, lmp_version,config_name, fw_name);
+
+ ret_val = request_firmware(&cfg, config_name, &udev->dev);
+ if (ret_val < 0)
+ config_len = 0;
+ else {
+ int i;
+ rtk_update_altsettings(patch_entry, cfg->data, cfg->size, &config_file_buf, &config_len);
+
+ RTKBT_INFO("Final Config len=%08x:\n", config_len);
+ for(i=0;i<=config_len;i+=0x10)
+ {
+ RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \
+ config_file_buf[i], config_file_buf[i+1], config_file_buf[i+2], config_file_buf[i+3], config_file_buf[i+4], config_file_buf[i+5], config_file_buf[i+6], config_file_buf[i+7], \
+ config_file_buf[i+8], config_file_buf[i+9], config_file_buf[i+10], config_file_buf[i+11], config_file_buf[i+12], config_file_buf[i+13], config_file_buf[i+14], config_file_buf[i+15]);
+ }
+
+ release_firmware(cfg);
+ }
+
+ ret_val = request_firmware(&fw, fw_name, &udev->dev);
+ if (ret_val < 0)
+ goto fw_fail;
+ else {
+ epatch_buf = vmalloc(fw->size);
+ RTKBT_INFO("%s: epatch_buf = vmalloc(fw->size, GFP_KERNEL)", __func__);
+ if (!epatch_buf) {
+ release_firmware(fw);
+ goto fw_fail;
+ }
+ memcpy(epatch_buf, fw->data, fw->size);
+ fw_len = fw->size;
+ buf_len = fw_len + config_len;
+ release_firmware(fw);
+ }
+
+ if (lmp_version == ROM_LMP_8723a) {
+ RTKBT_DBG("%s: 8723a -> use old style patch", __func__);
+ if (!memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
+ RTKBT_ERR("%s: 8723a check signature error", __func__);
+ need_download_fw = 0;
+ } else {
+ if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
+ RTKBT_ERR("%s: Failed to allocate mem for fw&config", __func__);
+ buf_len = -1;
+ } else {
+ RTKBT_DBG("%s: 8723a -> fw copy directly", __func__);
+ memcpy(buf, epatch_buf, buf_len);
+ patch_entry->lmp_sub = *(uint16_t *)(buf + buf_len - config_len - 4);
+ RTKBT_DBG("%s: Config lmp version = 0x%04x", __func__,
+ patch_entry->lmp_sub);
+ vfree(epatch_buf);
+ RTKBT_INFO("%s:ROM_LMP_8723a vfree(epatch_buf)", __func__);
+ epatch_buf = NULL;
+ if (config_len)
+ memcpy(buf + buf_len - config_len, config_file_buf, config_len);
+ }
+ }
+ } else {
+ RTKBT_DBG("%s: Not 8723a -> use new style patch", __func__);
+
+ RTKBT_DBG("%s: reset_channel before get_eversion from bt controller", __func__);
+ ret_val = reset_channel(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to reset_channel, errno %d", __func__, ret_val);
+ goto fw_fail;
+ }
+// read_localversion(fw_info);
+ RTKBT_DBG("%s: get_eversion from bt controller", __func__);
+
+ ret_val = get_eversion(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to get eversion, errno %d", __func__, ret_val);
+ goto fw_fail;
+ }
+ RTKBT_DBG("%s: Get eversion =%d", __func__, patch_entry->eversion);
+ if (memcmp(epatch_buf + buf_len - config_len - 4 , EXTENSION_SECTION_SIGNATURE, 4)) {
+ RTKBT_ERR("%s: Failed to check extension section signature", __func__);
+ need_download_fw = 0;
+ } else {
+ uint8_t *temp;
+ temp = epatch_buf+buf_len-config_len - 5;
+ do {
+ if (*temp == 0x00) {
+ patch_lmp.opcode = *temp;
+ patch_lmp.length = *(temp-1);
+ if ((patch_lmp.data = kzalloc(patch_lmp.length, GFP_KERNEL))) {
+ int k;
+ for (k = 0; k < patch_lmp.length; k++) {
+ *(patch_lmp.data+k) = *(temp-2-k);
+ RTKBT_DBG("data = 0x%x", *(patch_lmp.data+k));
+ }
+ }
+ RTKBT_DBG("%s: opcode = 0x%x, length = 0x%x, data = 0x%x", __func__,
+ patch_lmp.opcode, patch_lmp.length, *(patch_lmp.data));
+ break;
+ }
+ temp -= *(temp-1) + 2;
+ } while (*temp != 0xFF);
+
+ if (lmp_version != project_id[*(patch_lmp.data)]) {
+ RTKBT_ERR("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
+ "-> not match", __func__, lmp_version, *(patch_lmp.data),project_id[*(patch_lmp.data)]);
+ if (patch_lmp.data)
+ kfree(patch_lmp.data);
+ need_download_fw = 0;
+ } else {
+ RTKBT_INFO("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
+ "-> match", __func__, lmp_version, *(patch_lmp.data), project_id[*(patch_lmp.data)]);
+ if (patch_lmp.data)
+ kfree(patch_lmp.data);
+ if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
+ RTKBT_ERR("%s: Check signature error", __func__);
+ need_download_fw = 0;
+ } else {
+ epatch_info = (struct rtk_epatch*)epatch_buf;
+ patch_entry->lmp_sub = (uint16_t)epatch_info->fw_version;
+
+ RTKBT_DBG("%s: lmp version 0x%04x, fw_version 0x%x, "
+ "number_of_total_patch %d", __func__,
+ patch_entry->lmp_sub, epatch_info->fw_version,
+ epatch_info->number_of_total_patch);
+
+ /* Get right epatch entry */
+ p_epatch_entry = get_fw_patch_entry(epatch_info, patch_entry->eversion);
+ if (p_epatch_entry == NULL) {
+ RTKBT_WARN("%s: Failed to get fw patch entry", __func__);
+ ret_val = -1;
+ goto fw_fail ;
+ }
+
+ buf_len = p_epatch_entry->patch_length + config_len;
+ RTKBT_DBG("buf_len = 0x%x", buf_len);
+
+ if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
+ RTKBT_ERR("%s: Can't alloc memory for fw&config", __func__);
+ buf_len = -1;
+ } else {
+ memcpy(buf, &epatch_buf[p_epatch_entry->start_offset], p_epatch_entry->patch_length);
+ memcpy(&buf[p_epatch_entry->patch_length-4], &epatch_info->fw_version, 4);
+ kfree(p_epatch_entry);
+ }
+ vfree(epatch_buf);
+ RTKBT_INFO("%s: vfree(epatch_buf)", __func__);
+ epatch_buf = NULL;
+
+ if (config_len)
+ memcpy(&buf[buf_len - config_len], config_file_buf, config_len);
+ }
+ }
+ }
+ }
+
+ RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__,
+ (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not");
+
+ if (buf && buf_len > 0 && need_download_fw)
+ *buff = buf;
+
+ RTKBT_DBG("%s: done", __func__);
+
+ return buf_len;
+
+fw_fail:
+ return ret_val;
+}
+
+#if SUSPNED_DW_FW
+static int load_suspend_firmware(firmware_info *fw_info, uint8_t **buff)
+{
+ const struct firmware *fw, *cfg;
+ struct usb_device *udev;
+ patch_info *patch_entry;
+ char config_name[100] = {0};
+ char fw_name[100] = {0};
+ int fw_len = 0;
+ int ret_val;
+
+ int config_len = 0, buf_len = -1;
+ uint8_t *buf = *buff, *config_file_buf = NULL;
+ uint8_t *epatch_buf = NULL;
+
+ struct rtk_epatch *epatch_info = NULL;
+ uint8_t need_download_fw = 1;
+ struct rtk_extension_entry patch_lmp = {0};
+ struct rtk_epatch_entry *p_epatch_entry = NULL;
+ uint16_t lmp_version;
+ RTKBT_DBG("%s: start", __func__);
+
+ udev = fw_info->udev;
+ patch_entry = fw_info->patch_entry;
+ lmp_version = patch_entry->lmp_sub_default;
+ sprintf(config_name, "%s_suspend", patch_entry->config_name);
+ sprintf(fw_name, "%s_suspend", patch_entry->patch_name);
+
+ RTKBT_INFO("%s: Default lmp version = 0x%04x, config file name[%s], "
+ "fw file name[%s]", __func__, lmp_version,config_name, fw_name);
+
+ ret_val = request_firmware(&cfg, config_name, &udev->dev);
+ if (ret_val < 0)
+ config_len = 0;
+ else {
+ config_file_buf = vmalloc(cfg->size);
+ RTKBT_INFO("%s: epatch_buf = vmalloc(cfg->size)", __func__);
+ if (!config_file_buf)
+ return -ENOMEM;
+ memcpy(config_file_buf, cfg->data, cfg->size);
+ config_len = cfg->size;
+ release_firmware(cfg);
+ }
+
+ ret_val = request_firmware(&fw, fw_name, &udev->dev);
+ if (ret_val < 0)
+ goto fw_fail;
+ else {
+ epatch_buf = vmalloc(fw->size);
+ RTKBT_INFO("%s: epatch_buf = vmalloc(fw->size, GFP_KERNEL)", __func__);
+ if (!epatch_buf) {
+ release_firmware(fw);
+ goto fw_fail;
+ }
+ memcpy(epatch_buf, fw->data, fw->size);
+ fw_len = fw->size;
+ buf_len = fw_len + config_len;
+ release_firmware(fw);
+ }
+
+ RTKBT_DBG("%s: Not 8723a -> use new style patch", __func__);
+
+ RTKBT_DBG("%s: get_eversion from bt controller", __func__);
+
+ ret_val = get_eversion(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to get eversion, errno %d", __func__, ret_val);
+ goto fw_fail;
+ }
+ RTKBT_DBG("%s: Get eversion =%d", __func__, patch_entry->eversion);
+ if (memcmp(epatch_buf + buf_len - config_len - 4 , EXTENSION_SECTION_SIGNATURE, 4)) {
+ RTKBT_ERR("%s: Failed to check extension section signature", __func__);
+ need_download_fw = 0;
+ } else {
+ uint8_t *temp;
+ temp = epatch_buf+buf_len-config_len - 5;
+ do {
+ if (*temp == 0x00) {
+ patch_lmp.opcode = *temp;
+ patch_lmp.length = *(temp-1);
+ if ((patch_lmp.data = kzalloc(patch_lmp.length, GFP_KERNEL))) {
+ int k;
+ for (k = 0; k < patch_lmp.length; k++) {
+ *(patch_lmp.data+k) = *(temp-2-k);
+ RTKBT_DBG("data = 0x%x", *(patch_lmp.data+k));
+ }
+ }
+ RTKBT_DBG("%s: opcode = 0x%x, length = 0x%x, data = 0x%x", __func__,
+ patch_lmp.opcode, patch_lmp.length, *(patch_lmp.data));
+ break;
+ }
+ temp -= *(temp-1) + 2;
+ } while (*temp != 0xFF);
+
+ if (lmp_version != project_id[*(patch_lmp.data)]) {
+ RTKBT_ERR("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
+ "-> not match", __func__, lmp_version, *(patch_lmp.data),project_id[*(patch_lmp.data)]);
+ if (patch_lmp.data)
+ kfree(patch_lmp.data);
+ need_download_fw = 0;
+ } else {
+ RTKBT_INFO("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x "
+ "-> match", __func__, lmp_version, *(patch_lmp.data), project_id[*(patch_lmp.data)]);
+ if (patch_lmp.data)
+ kfree(patch_lmp.data);
+ if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) {
+ RTKBT_ERR("%s: Check signature error", __func__);
+ need_download_fw = 0;
+ } else {
+ epatch_info = (struct rtk_epatch*)epatch_buf;
+ patch_entry->lmp_sub = (uint16_t)epatch_info->fw_version;
+
+ RTKBT_DBG("%s: lmp version 0x%04x, fw_version 0x%x, "
+ "number_of_total_patch %d", __func__,
+ patch_entry->lmp_sub, epatch_info->fw_version,
+ epatch_info->number_of_total_patch);
+
+ /* Get right epatch entry */
+ p_epatch_entry = get_fw_patch_entry(epatch_info, patch_entry->eversion);
+ if (p_epatch_entry == NULL) {
+ RTKBT_WARN("%s: Failed to get fw patch entry", __func__);
+ ret_val = -1;
+ goto fw_fail ;
+ }
+
+ buf_len = p_epatch_entry->patch_length + config_len;
+ RTKBT_DBG("buf_len = 0x%x", buf_len);
+
+ if (!(buf = kzalloc(buf_len, GFP_KERNEL))) {
+ RTKBT_ERR("%s: Can't alloc memory for fw&config", __func__);
+ buf_len = -1;
+ } else {
+ memcpy(buf, &epatch_buf[p_epatch_entry->start_offset], p_epatch_entry->patch_length);
+ memcpy(&buf[p_epatch_entry->patch_length-4], &epatch_info->fw_version, 4);
+ kfree(p_epatch_entry);
+ }
+ vfree(epatch_buf);
+ RTKBT_INFO("%s: vfree(epatch_buf)", __func__);
+ epatch_buf = NULL;
+
+ if (config_len)
+ memcpy(&buf[buf_len - config_len], config_file_buf, config_len);
+ }
+ }
+ }
+
+ if (config_file_buf){
+ vfree(config_file_buf);
+ config_file_buf = NULL;
+ RTKBT_INFO("%s: vfree(config_file_buf)", __func__);
+ }
+
+ RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__,
+ (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not");
+
+ if (buf && buf_len > 0 && need_download_fw)
+ *buff = buf;
+
+ RTKBT_DBG("%s: done", __func__);
+
+ return buf_len;
+
+fw_fail:
+ if (config_file_buf){
+ vfree(config_file_buf);
+ config_file_buf = NULL;
+ }
+ RTKBT_INFO("%s: fw_fail vfree(config_file_buf)", __func__);
+ return ret_val;
+}
+#endif
+
+int get_firmware(firmware_info *fw_info, int cached)
+{
+ patch_info *patch_entry = fw_info->patch_entry;
+
+ RTKBT_INFO("%s: start, cached %d,patch_entry->fw_len= %d", __func__, cached,patch_entry->fw_len);
+
+ if (cached > 0) {
+ if (patch_entry->fw_len > 0) {
+ fw_info->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL);
+ if (!fw_info->fw_data)
+ return -ENOMEM;
+ memcpy(fw_info->fw_data, patch_entry->fw_cache, patch_entry->fw_len);
+ fw_info->fw_len = patch_entry->fw_len;
+ } else {
+ fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data);
+ if (fw_info->fw_len <= 0)
+ return -1;
+ }
+ } else {
+ fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data);
+ if (fw_info->fw_len <= 0)
+ return -1;
+ }
+
+ return 0;
+}
+
+#if SUSPNED_DW_FW
+static int get_suspend_firmware(firmware_info *fw_info, int cached)
+{
+ patch_info *patch_entry = fw_info->patch_entry;
+
+ RTKBT_INFO("%s: start, cached %d,patch_entry->fw_len= %d", __func__, cached,patch_entry->fw_len);
+
+ if (cached > 0) {
+ if (patch_entry->fw_len > 0) {
+ fw_info->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL);
+ if (!fw_info->fw_data)
+ return -ENOMEM;
+ memcpy(fw_info->fw_data, patch_entry->fw_cache, patch_entry->fw_len);
+ fw_info->fw_len = patch_entry->fw_len;
+ } else {
+ fw_info->fw_len = load_suspend_firmware(fw_info, &fw_info->fw_data);
+ if (fw_info->fw_len <= 0)
+ return -1;
+ }
+ } else {
+ fw_info->fw_len = load_suspend_firmware(fw_info, &fw_info->fw_data);
+ if (fw_info->fw_len <= 0)
+ return -1;
+ }
+
+ return 0;
+}
+#endif
+
+/*
+ * Open the log message only if in debugging,
+ * or it will decelerate download procedure.
+ */
+int download_data(firmware_info *fw_info)
+{
+ download_cp *cmd_para;
+ download_rp *evt_para;
+ uint8_t *pcur;
+ int pkt_len, frag_num, frag_len;
+ int i, ret_val;
+ int ncmd = 1, step = 1;
+
+ RTKBT_DBG("%s: start", __func__);
+
+ cmd_para = (download_cp *)fw_info->req_para;
+ evt_para = (download_rp *)fw_info->rsp_para;
+ pcur = fw_info->fw_data;
+ pkt_len = CMD_HDR_LEN + sizeof(download_cp);
+ frag_num = fw_info->fw_len / PATCH_SEG_MAX + 1;
+ frag_len = PATCH_SEG_MAX;
+
+ for (i = 0; i < frag_num; i++) {
+ cmd_para->index = i?((i-1)%0x7f+1):0;
+ if (i == (frag_num - 1)) {
+ cmd_para->index |= DATA_END;
+ frag_len = fw_info->fw_len % PATCH_SEG_MAX;
+ pkt_len -= (PATCH_SEG_MAX - frag_len);
+ }
+ fw_info->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE);
+ fw_info->cmd_hdr->plen = sizeof(uint8_t) + frag_len;
+ fw_info->pkt_len = pkt_len;
+ memcpy(cmd_para->data, pcur, frag_len);
+
+ if (step > 0) {
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ RTKBT_DBG("%s: Failed to send frag num %d", __func__, cmd_para->index);
+ return ret_val;
+ } else
+ RTKBT_DBG("%s: Send frag num %d", __func__, cmd_para->index);
+
+ if (--step > 0 && i < frag_num - 1) {
+ RTKBT_DBG("%s: Continue to send frag num %d", __func__, cmd_para->index + 1);
+ pcur += PATCH_SEG_MAX;
+ continue;
+ }
+ }
+
+ while (ncmd > 0) {
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
+ return ret_val;
+ } else {
+ RTKBT_DBG("%s: Receive acked frag num %d", __func__, evt_para->index);
+ ncmd--;
+ }
+
+ if (0 != evt_para->status) {
+ RTKBT_ERR("%s: Receive acked frag num %d, err status %d",
+ __func__, ret_val, evt_para->status);
+ return -1;
+ }
+
+ if ((evt_para->index & DATA_END) || (evt_para->index == frag_num - 1)) {
+ RTKBT_DBG("%s: Receive last acked index %d", __func__, evt_para->index);
+ goto end;
+ }
+ }
+
+ ncmd = step = fw_info->cmd_cmp->ncmd;
+ pcur += PATCH_SEG_MAX;
+ RTKBT_DBG("%s: HCI command packet num %d", __func__, ncmd);
+ }
+
+ /*
+ * It is tricky that Host cannot receive DATA_END index from BT
+ * controller, at least for 8723au. We are doomed if failed.
+ */
+#if 0
+ /* Continue to receive the responsed events until last index occurs */
+ if (i == frag_num) {
+ RTKBT_DBG("%s: total frag count %d", __func__, frag_num);
+ while (!(evt_para->index & DATA_END)) {
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
+ return ret_val;
+ }
+ if (0 != evt_para->status)
+ return -1;
+ RTKBT_DBG("%s: continue to receive acked frag num %d", __func__, evt_para->index);
+ }
+ }
+#endif
+end:
+ RTKBT_INFO("%s: done, sent %d frag pkts, received %d frag events",
+ __func__, cmd_para->index, evt_para->index);
+ return fw_info->fw_len;
+}
+
+int download_patch(firmware_info *fw_info, int cached)
+{
+ int ret_val = 0;
+
+ RTKBT_DBG("%s: Download fw patch start, cached %d", __func__, cached);
+
+ if (!fw_info || !fw_info->patch_entry) {
+ RTKBT_ERR("%s: No patch entry exists(fw_info %p)", __func__, fw_info);
+ ret_val = -1;
+ goto end;
+ }
+
+ /*
+ * step1: get local firmware if existed
+ * step2: check firmware version
+ * step3: download firmware if updated
+ */
+ ret_val = get_firmware(fw_info, cached);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to get firmware", __func__);
+ goto end;
+ }
+
+#if SUSPNED_DW_FW
+ if(fw_info_4_suspend) {
+ RTKBT_DBG("%s: get suspend fw first cached %d", __func__, cached);
+ ret_val = get_suspend_firmware(fw_info_4_suspend, cached);
+ if (ret_val < 0) {
+ RTKBT_ERR("%s: Failed to get suspend firmware", __func__);
+ goto end;
+ }
+ }
+#endif
+
+ /*check the length of fw to be download*/
+ RTKBT_DBG("%s: Check fw_info->fw_len:%d max_patch_size %d", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size);
+ if (fw_info->fw_len > fw_info->patch_entry->max_patch_size) {
+ RTKBT_ERR("%s: Total length of fw&config(%08x) larger than max_patch_size 0x%08x", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size);
+ ret_val = -1;
+ goto free;
+ }
+
+ ret_val = check_fw_version(fw_info);
+
+ if (2 == ret_val) {
+ RTKBT_ERR("%s: Cold reset bt chip only download", __func__);
+ ret_val = download_data(fw_info);
+ if (ret_val > 0)
+ RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
+ } else if(1 == ret_val){
+ // reset bt chip to update Fw patch
+ ret_val = reset_controller(fw_info);
+ RTKBT_ERR("%s: reset bt chip to update Fw patch, fw len %d", __func__, ret_val);
+ ret_val = download_data(fw_info);
+ if (ret_val > 0)
+ RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
+ }
+
+
+free:
+ /* Free fw data after download finished */
+ kfree(fw_info->fw_data);
+ fw_info->fw_data = NULL;
+
+end:
+ return ret_val;
+}
+
+#if SUSPNED_DW_FW
+static int download_suspend_patch(firmware_info *fw_info, int cached)
+{
+ int ret_val = 0;
+
+ RTKBT_DBG("%s: Download fw patch start, cached %d", __func__, cached);
+
+ if (!fw_info || !fw_info->patch_entry) {
+ RTKBT_ERR("%s: No patch entry exists(fw_info %p)", __func__, fw_info);
+ ret_val = -1;
+ goto end;
+ }
+
+ /*check the length of fw to be download*/
+ RTKBT_DBG("%s:Check RTK_PATCH_LENGTH fw_info->fw_len:%d", __func__,fw_info->fw_len);
+ if (fw_info->fw_len > RTK_PATCH_LENGTH_MAX || fw_info->fw_len == 0) {
+ RTKBT_ERR("%s: Total length of fw&config larger than allowed 24K or no fw len:%d", __func__, fw_info->fw_len);
+ ret_val = -1;
+ goto free;
+ }
+
+ ret_val = check_fw_version(fw_info);
+
+ if (2 == ret_val) {
+ RTKBT_ERR("%s: Cold reset bt chip only download", __func__);
+ ret_val = download_data(fw_info);
+ if (ret_val > 0)
+ RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
+ } else if(1 == ret_val){
+ // reset bt chip to update Fw patch
+ ret_val = reset_controller(fw_info);
+ RTKBT_ERR("%s: reset bt chip to update Fw patch, fw len %d", __func__, ret_val);
+ ret_val = download_data(fw_info);
+ if (ret_val > 0)
+ RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val);
+ }
+
+
+free:
+ /* Free fw data after download finished */
+ kfree(fw_info->fw_data);
+ fw_info->fw_data = NULL;
+
+end:
+ return ret_val;
+}
+
+static void suspend_firmware_info_init(firmware_info *fw_info)
+{
+ RTKBT_DBG("%s: start", __func__);
+ if(!fw_info)
+ return;
+
+ fw_info_4_suspend= kzalloc(sizeof(*fw_info), GFP_KERNEL);
+ if (!fw_info_4_suspend)
+ goto error;
+
+ fw_info_4_suspend->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
+ if (!fw_info_4_suspend->send_pkt) {
+ kfree(fw_info_4_suspend);
+ goto error;
+ }
+
+ fw_info_4_suspend->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
+ if (!fw_info_4_suspend->rcv_pkt) {
+ kfree(fw_info_4_suspend->send_pkt);
+ kfree(fw_info_4_suspend);
+ goto error;
+ }
+
+ fw_info_4_suspend->patch_entry = get_suspend_fw_table_entry(fw_info->udev);
+ if (!fw_info_4_suspend->patch_entry) {
+ kfree(fw_info_4_suspend->rcv_pkt);
+ kfree(fw_info_4_suspend->send_pkt);
+ kfree(fw_info_4_suspend);
+ goto error;
+ }
+
+ fw_info_4_suspend->intf = fw_info->intf;
+ fw_info_4_suspend->udev = fw_info->udev;
+ fw_info_4_suspend->cmd_hdr = (struct hci_command_hdr *)(fw_info_4_suspend->send_pkt);
+ fw_info_4_suspend->evt_hdr = (struct hci_event_hdr *)(fw_info_4_suspend->rcv_pkt);
+ fw_info_4_suspend->cmd_cmp = (struct hci_ev_cmd_complete *)(fw_info_4_suspend->rcv_pkt + EVT_HDR_LEN);
+ fw_info_4_suspend->req_para = fw_info_4_suspend->send_pkt + CMD_HDR_LEN;
+ fw_info_4_suspend->rsp_para = fw_info_4_suspend->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN;
+ fw_info_4_suspend->pipe_in = fw_info->pipe_in;
+ fw_info_4_suspend->pipe_out = fw_info->pipe_out;
+
+ return;
+error:
+ RTKBT_DBG("%s: fail !", __func__);
+ fw_info_4_suspend = NULL;
+ return;
+}
+#endif
+
+#if SET_WAKEUP_DEVICE
+static void set_wakeup_device_from_conf(firmware_info *fw_info)
+{
+ uint8_t paired_wakeup_bdaddr[7];
+ uint8_t num = 0;
+ int i;
+ struct file *fp;
+ mm_segment_t fs;
+ loff_t pos;
+
+ memset(paired_wakeup_bdaddr, 0, 7);
+ fp = filp_open(SET_WAKEUP_DEVICE_CONF, O_RDWR, 0);
+ if (!IS_ERR(fp)) {
+ fs = get_fs();
+ set_fs(KERNEL_DS);
+ pos = 0;
+ //read number
+ vfs_read(fp, &num, 1, &pos);
+ RTKBT_DBG("read number = %d", num);
+ if(num) {
+ for(i = 0; i < num; i++) {
+ vfs_read(fp, paired_wakeup_bdaddr, 7, &pos);
+ RTKBT_DBG("paired_wakeup_bdaddr: 0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x",
+ paired_wakeup_bdaddr[1],paired_wakeup_bdaddr[2],paired_wakeup_bdaddr[3],
+ paired_wakeup_bdaddr[4],paired_wakeup_bdaddr[5],paired_wakeup_bdaddr[6]);
+ set_wakeup_device(fw_info, paired_wakeup_bdaddr);
+ }
+ }
+ filp_close(fp, NULL);
+ set_fs(fs);
+ }
+ else {
+ RTKBT_ERR("open wakeup config file fail! errno = %ld", PTR_ERR(fp));
+ }
+}
+#endif
+
+firmware_info *firmware_info_init(struct usb_interface *intf)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ firmware_info *fw_info;
+
+ RTKBT_DBG("%s: start", __func__);
+
+ fw_info = kzalloc(sizeof(*fw_info), GFP_KERNEL);
+ if (!fw_info)
+ return NULL;
+
+ fw_info->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
+ if (!fw_info->send_pkt) {
+ kfree(fw_info);
+ return NULL;
+ }
+
+ fw_info->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL);
+ if (!fw_info->rcv_pkt) {
+ kfree(fw_info->send_pkt);
+ kfree(fw_info);
+ return NULL;
+ }
+
+ fw_info->patch_entry = get_fw_table_entry(udev);
+ if (!fw_info->patch_entry) {
+ kfree(fw_info->rcv_pkt);
+ kfree(fw_info->send_pkt);
+ kfree(fw_info);
+ return NULL;
+ }
+
+ fw_info->intf = intf;
+ fw_info->udev = udev;
+ fw_info->pipe_in = usb_rcvintpipe(fw_info->udev, INTR_EP);
+ fw_info->pipe_out = usb_sndctrlpipe(fw_info->udev, CTRL_EP);
+ fw_info->cmd_hdr = (struct hci_command_hdr *)(fw_info->send_pkt);
+ fw_info->evt_hdr = (struct hci_event_hdr *)(fw_info->rcv_pkt);
+ fw_info->cmd_cmp = (struct hci_ev_cmd_complete *)(fw_info->rcv_pkt + EVT_HDR_LEN);
+ fw_info->req_para = fw_info->send_pkt + CMD_HDR_LEN;
+ fw_info->rsp_para = fw_info->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN;
+
+#if SUSPNED_DW_FW
+ suspend_firmware_info_init(fw_info);
+#endif
+
+#if BTUSB_RPM
+ RTKBT_INFO("%s: Auto suspend is enabled", __func__);
+ usb_enable_autosuspend(udev);
+ pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
+#else
+ RTKBT_INFO("%s: Auto suspend is disabled", __func__);
+ usb_disable_autosuspend(udev);
+#endif
+
+#if BTUSB_WAKEUP_HOST
+ device_wakeup_enable(&udev->dev);
+#endif
+
+ return fw_info;
+}
+
+void firmware_info_destroy(struct usb_interface *intf)
+{
+ firmware_info *fw_info;
+ struct usb_device *udev;
+ struct btusb_data *data;
+
+ udev = interface_to_usbdev(intf);
+ data = usb_get_intfdata(intf);
+
+ fw_info = data->fw_info;
+ if (!fw_info)
+ return;
+
+#if BTUSB_RPM
+ usb_disable_autosuspend(udev);
+#endif
+
+ /*
+ * In order to reclaim fw data mem, we free fw_data immediately
+ * after download patch finished instead of here.
+ */
+ kfree(fw_info->rcv_pkt);
+ kfree(fw_info->send_pkt);
+ kfree(fw_info);
+
+#if SUSPNED_DW_FW
+ if (!fw_info_4_suspend)
+ return;
+
+ kfree(fw_info_4_suspend->rcv_pkt);
+ kfree(fw_info_4_suspend->send_pkt);
+ kfree(fw_info_4_suspend);
+ fw_info_4_suspend = NULL;
+#endif
+}
+
+static struct usb_driver btusb_driver;
+
+static struct usb_device_id btusb_table[] = {
+ { .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
+ USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x0bda,
+ .bInterfaceClass = 0xe0,
+ .bInterfaceSubClass = 0x01,
+ .bInterfaceProtocol = 0x01 },
+
+ { .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
+ USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0x13d3,
+ .bInterfaceClass = 0xe0,
+ .bInterfaceSubClass = 0x01,
+ .bInterfaceProtocol = 0x01 },
+
+ { }
+};
+
+MODULE_DEVICE_TABLE(usb, btusb_table);
+
+static int inc_tx(struct btusb_data *data)
+{
+ unsigned long flags;
+ int rv;
+
+ spin_lock_irqsave(&data->txlock, flags);
+ rv = test_bit(BTUSB_SUSPENDING, &data->flags);
+ if (!rv)
+ data->tx_in_flight++;
+ spin_unlock_irqrestore(&data->txlock, flags);
+
+ return rv;
+}
+
+void check_sco_event(struct urb *urb)
+{
+ u8* opcode = (u8*)(urb->transfer_buffer);
+ u8 status;
+ static uint16_t sco_handle = 0;
+ uint16_t handle;
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+
+ switch (*opcode) {
+ case HCI_EV_SYNC_CONN_COMPLETE:
+ RTKBT_INFO("%s: HCI_EV_SYNC_CONN_COMPLETE(0x%02x)", __func__, *opcode);
+ status = *(opcode + 2);
+ sco_handle = *(opcode + 3) | *(opcode + 4) << 8;
+ if (status == 0) {
+ hdev->conn_hash.sco_num++;
+ schedule_work(&data->work);
+ }
+ break;
+ case HCI_EV_DISCONN_COMPLETE:
+ RTKBT_INFO("%s: HCI_EV_DISCONN_COMPLETE(0x%02x)", __func__, *opcode);
+ status = *(opcode + 2);
+ handle = *(opcode + 3) | *(opcode + 4) << 8;
+ if (status == 0 && sco_handle == handle) {
+ hdev->conn_hash.sco_num--;
+ schedule_work(&data->work);
+ }
+ break;
+ default:
+ RTKBT_DBG("%s: event 0x%02x", __func__, *opcode);
+ break;
+ }
+}
+
+static void btusb_intr_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ int err;
+
+ RTKBT_DBG("%s: urb %p status %d count %d ", __func__,
+ urb, urb->status, urb->actual_length);
+
+// check_sco_event(urb);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return;
+
+
+ if (urb->status == 0) {
+ hdev->stat.byte_rx += urb->actual_length;
+
+ if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
+ urb->transfer_buffer,
+ urb->actual_length) < 0) {
+ RTKBT_ERR("%s: Corrupted event packet", __func__);
+ hdev->stat.err_rx++;
+ }
+ }
+ /* Avoid suspend failed when usb_kill_urb */
+ else if(urb->status == -ENOENT) {
+ return;
+ }
+
+
+ if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
+ return;
+
+ usb_mark_last_busy(data->udev);
+ usb_anchor_urb(urb, &data->intr_anchor);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ /* EPERM: urb is being killed;
+ * ENODEV: device got disconnected */
+ if (err != -EPERM && err != -ENODEV)
+ RTKBT_ERR("%s: Failed to re-submit urb %p, err %d",
+ __func__, urb, err);
+ usb_unanchor_urb(urb);
+ }
+}
+
+static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ struct urb *urb;
+ unsigned char *buf;
+ unsigned int pipe;
+ int err, size;
+
+ if (!data->intr_ep)
+ return -ENODEV;
+
+ urb = usb_alloc_urb(0, mem_flags);
+ if (!urb)
+ return -ENOMEM;
+
+ size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
+
+ buf = kmalloc(size, mem_flags);
+ if (!buf) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ RTKBT_DBG("%s: mMaxPacketSize %d, bEndpointAddress 0x%02x",
+ __func__, size, data->intr_ep->bEndpointAddress);
+
+ pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
+
+ usb_fill_int_urb(urb, data->udev, pipe, buf, size,
+ btusb_intr_complete, hdev,
+ data->intr_ep->bInterval);
+
+ urb->transfer_flags |= URB_FREE_BUFFER;
+
+ usb_anchor_urb(urb, &data->intr_anchor);
+
+ err = usb_submit_urb(urb, mem_flags);
+ if (err < 0) {
+ RTKBT_ERR("%s: Failed to submit urb %p, err %d",
+ __func__, urb, err);
+ usb_unanchor_urb(urb);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
+static void btusb_bulk_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ int err;
+
+ RTKBT_DBG("%s: urb %p status %d count %d",
+ __func__, urb, urb->status, urb->actual_length);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return;
+
+ if (urb->status == 0) {
+ hdev->stat.byte_rx += urb->actual_length;
+
+ if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
+ urb->transfer_buffer,
+ urb->actual_length) < 0) {
+ RTKBT_ERR("%s: Corrupted ACL packet", __func__);
+ hdev->stat.err_rx++;
+ }
+ }
+ /* Avoid suspend failed when usb_kill_urb */
+ else if(urb->status == -ENOENT) {
+ return;
+ }
+
+
+ if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
+ return;
+
+ usb_anchor_urb(urb, &data->bulk_anchor);
+ usb_mark_last_busy(data->udev);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ /* -EPERM: urb is being killed;
+ * -ENODEV: device got disconnected */
+ if (err != -EPERM && err != -ENODEV)
+ RTKBT_ERR("btusb_bulk_complete %s urb %p failed to resubmit (%d)",
+ hdev->name, urb, -err);
+ usb_unanchor_urb(urb);
+ }
+}
+
+static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ struct urb *urb;
+ unsigned char *buf;
+ unsigned int pipe;
+ int err, size = HCI_MAX_FRAME_SIZE;
+
+ RTKBT_DBG("%s: hdev name %s", __func__, hdev->name);
+
+ if (!data->bulk_rx_ep)
+ return -ENODEV;
+
+ urb = usb_alloc_urb(0, mem_flags);
+ if (!urb)
+ return -ENOMEM;
+
+ buf = kmalloc(size, mem_flags);
+ if (!buf) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ buf, size, btusb_bulk_complete, hdev);
+
+ urb->transfer_flags |= URB_FREE_BUFFER;
+
+ usb_mark_last_busy(data->udev);
+ usb_anchor_urb(urb, &data->bulk_anchor);
+
+ err = usb_submit_urb(urb, mem_flags);
+ if (err < 0) {
+ RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err);
+ usb_unanchor_urb(urb);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
+static void btusb_isoc_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ int i, err;
+
+
+ RTKBT_DBG("%s: urb %p status %d count %d",
+ __func__, urb, urb->status, urb->actual_length);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return;
+
+ if (urb->status == 0) {
+ for (i = 0; i < urb->number_of_packets; i++) {
+ unsigned int offset = urb->iso_frame_desc[i].offset;
+ unsigned int length = urb->iso_frame_desc[i].actual_length;
+
+ if (urb->iso_frame_desc[i].status)
+ continue;
+
+ hdev->stat.byte_rx += length;
+
+ if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
+ urb->transfer_buffer + offset,
+ length) < 0) {
+ RTKBT_ERR("%s: Corrupted SCO packet", __func__);
+ hdev->stat.err_rx++;
+ }
+ }
+ }
+ /* Avoid suspend failed when usb_kill_urb */
+ else if(urb->status == -ENOENT) {
+ return;
+ }
+
+
+ if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
+ return;
+
+ usb_anchor_urb(urb, &data->isoc_anchor);
+ i = 0;
+retry:
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ /* -EPERM: urb is being killed;
+ * -ENODEV: device got disconnected */
+ if (err != -EPERM && err != -ENODEV)
+ RTKBT_ERR("%s: Failed to re-sumbit urb %p, retry %d, err %d",
+ __func__, urb, i, err);
+ if (i < 10) {
+ i++;
+ mdelay(1);
+ goto retry;
+ }
+
+ usb_unanchor_urb(urb);
+ }
+}
+
+static inline void fill_isoc_descriptor(struct urb *urb, int len, int mtu)
+{
+ int i, offset = 0;
+
+ RTKBT_DBG("%s: len %d mtu %d", __func__, len, mtu);
+
+ for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
+ i++, offset += mtu, len -= mtu) {
+ urb->iso_frame_desc[i].offset = offset;
+ urb->iso_frame_desc[i].length = mtu;
+ }
+
+ if (len && i < BTUSB_MAX_ISOC_FRAMES) {
+ urb->iso_frame_desc[i].offset = offset;
+ urb->iso_frame_desc[i].length = len;
+ i++;
+ }
+
+ urb->number_of_packets = i;
+}
+
+static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ struct urb *urb;
+ unsigned char *buf;
+ unsigned int pipe;
+ int err, size;
+
+ if (!data->isoc_rx_ep)
+ return -ENODEV;
+
+ urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
+ if (!urb)
+ return -ENOMEM;
+
+ size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
+ BTUSB_MAX_ISOC_FRAMES;
+
+ buf = kmalloc(size, mem_flags);
+ if (!buf) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
+
+ urb->dev = data->udev;
+ urb->pipe = pipe;
+ urb->context = hdev;
+ urb->complete = btusb_isoc_complete;
+ urb->interval = data->isoc_rx_ep->bInterval;
+
+ urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
+ urb->transfer_buffer = buf;
+ urb->transfer_buffer_length = size;
+
+ fill_isoc_descriptor(urb, size,
+ le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
+
+ usb_anchor_urb(urb, &data->isoc_anchor);
+
+ err = usb_submit_urb(urb, mem_flags);
+ if (err < 0) {
+ RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err);
+ usb_unanchor_urb(urb);
+ }
+
+ usb_free_urb(urb);
+
+ return err;
+}
+
+static void btusb_tx_complete(struct urb *urb)
+{
+ struct sk_buff *skb = urb->context;
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ goto done;
+
+ if (!urb->status)
+ hdev->stat.byte_tx += urb->transfer_buffer_length;
+ else
+ hdev->stat.err_tx++;
+
+done:
+ spin_lock(&data->txlock);
+ data->tx_in_flight--;
+ spin_unlock(&data->txlock);
+
+ kfree(urb->setup_packet);
+
+ kfree_skb(skb);
+}
+
+static void btusb_isoc_tx_complete(struct urb *urb)
+{
+ struct sk_buff *skb = urb->context;
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+
+ RTKBT_DBG("%s: urb %p status %d count %d",
+ __func__, urb, urb->status, urb->actual_length);
+
+ if (skb && hdev) {
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ goto done;
+
+ if (!urb->status)
+ hdev->stat.byte_tx += urb->transfer_buffer_length;
+ else
+ hdev->stat.err_tx++;
+ } else
+ RTKBT_ERR("%s: skb 0x%p hdev 0x%p", __func__, skb, hdev);
+
+done:
+ kfree(urb->setup_packet);
+
+ kfree_skb(skb);
+}
+
+static int btusb_open(struct hci_dev *hdev)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ int err = 0;
+
+ RTKBT_INFO("%s: Start, PM usage count %d", __func__,
+ atomic_read(&(data->intf->pm_usage_cnt)));
+
+ err = usb_autopm_get_interface(data->intf);
+ if (err < 0)
+ return err;
+
+ data->intf->needs_remote_wakeup = 1;
+
+ if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
+ goto done;
+
+ if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
+ goto done;
+
+ err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
+ if (err < 0)
+ goto failed;
+
+ err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
+ if (err < 0) {
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->intr_anchor);
+ goto failed;
+ }
+
+ set_bit(BTUSB_BULK_RUNNING, &data->flags);
+ btusb_submit_bulk_urb(hdev, GFP_KERNEL);
+
+done:
+ usb_autopm_put_interface(data->intf);
+ RTKBT_INFO("%s: End, PM usage count %d", __func__,
+ atomic_read(&(data->intf->pm_usage_cnt)));
+ return 0;
+
+failed:
+ clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ usb_autopm_put_interface(data->intf);
+ RTKBT_ERR("%s: Failed, PM usage count %d", __func__,
+ atomic_read(&(data->intf->pm_usage_cnt)));
+ return err;
+}
+
+static void btusb_stop_traffic(struct btusb_data *data)
+{
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->intr_anchor);
+ usb_kill_anchored_urbs(&data->bulk_anchor);
+ usb_kill_anchored_urbs(&data->isoc_anchor);
+}
+
+static int btusb_close(struct hci_dev *hdev)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ int i, err;
+
+ RTKBT_INFO("%s: hci running %lu", __func__, hdev->flags & HCI_RUNNING);
+
+ if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
+ return 0;
+
+ for (i = 0; i < NUM_REASSEMBLY; i++) {
+ if (hdev->reassembly[i]) {
+ RTKBT_DBG("%s: free ressembly[%d]", __func__, i);
+ kfree_skb(hdev->reassembly[i]);
+ hdev->reassembly[i] = NULL;
+ }
+ }
+
+ cancel_work_sync(&data->work);
+ cancel_work_sync(&data->waker);
+
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+ clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+
+ btusb_stop_traffic(data);
+ err = usb_autopm_get_interface(data->intf);
+ if (err < 0)
+ goto failed;
+
+ data->intf->needs_remote_wakeup = 0;
+ usb_autopm_put_interface(data->intf);
+
+failed:
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_scuttle_anchored_urbs(&data->deferred);
+ return 0;
+}
+
+static int btusb_flush(struct hci_dev *hdev)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+
+ RTKBT_DBG("%s", __func__);
+
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->tx_anchor);
+
+ return 0;
+}
+
+
+static int btusb_send_frame(struct sk_buff *skb)
+{
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ struct usb_ctrlrequest *dr;
+ struct urb *urb;
+ unsigned int pipe;
+ int err;
+ int retries = 0;
+
+ RTKBT_DBG("%s: hdev %p, btusb data %p, pkt type %d",
+ __func__, hdev, data, bt_cb(skb)->pkt_type);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return -EBUSY;
+
+
+
+ switch (bt_cb(skb)->pkt_type) {
+ case HCI_COMMAND_PKT:
+ print_command(skb);
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb)
+ return -ENOMEM;
+
+ dr = kmalloc(sizeof(*dr), GFP_ATOMIC);
+ if (!dr) {
+ usb_free_urb(urb);
+ return -ENOMEM;
+ }
+
+ dr->bRequestType = data->cmdreq_type;
+ dr->bRequest = 0;
+ dr->wIndex = 0;
+ dr->wValue = 0;
+ dr->wLength = __cpu_to_le16(skb->len);
+
+ pipe = usb_sndctrlpipe(data->udev, 0x00);
+
+ usb_fill_control_urb(urb, data->udev, pipe, (void *) dr,
+ skb->data, skb->len, btusb_tx_complete, skb);
+
+ hdev->stat.cmd_tx++;
+ break;
+
+ case HCI_ACLDATA_PKT:
+ print_acl(skb, 1);
+ if (!data->bulk_tx_ep)
+ return -ENODEV;
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (!urb)
+ return -ENOMEM;
+
+ pipe = usb_sndbulkpipe(data->udev,
+ data->bulk_tx_ep->bEndpointAddress);
+
+ usb_fill_bulk_urb(urb, data->udev, pipe,
+ skb->data, skb->len, btusb_tx_complete, skb);
+
+ hdev->stat.acl_tx++;
+ break;
+
+ case HCI_SCODATA_PKT:
+ print_sco(skb, 1);
+ if (!data->isoc_tx_ep || SCO_NUM < 1) {
+ kfree(skb);
+ return -ENODEV;
+ }
+
+ urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
+ if (!urb) {
+ RTKBT_ERR("%s: Failed to allocate mem for sco pkts", __func__);
+ kfree(skb);
+ return -ENOMEM;
+ }
+
+ pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
+
+ usb_fill_int_urb(urb, data->udev, pipe,
+ skb->data, skb->len, btusb_isoc_tx_complete,
+ skb, data->isoc_tx_ep->bInterval);
+
+ urb->transfer_flags = URB_ISO_ASAP;
+
+ fill_isoc_descriptor(urb, skb->len,
+ le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
+
+ hdev->stat.sco_tx++;
+ goto skip_waking;
+
+ default:
+ return -EILSEQ;
+ }
+
+ err = inc_tx(data);
+ if (err) {
+ usb_anchor_urb(urb, &data->deferred);
+ schedule_work(&data->waker);
+ err = 0;
+ goto done;
+ }
+
+skip_waking:
+ usb_anchor_urb(urb, &data->tx_anchor);
+retry:
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ RTKBT_ERR("%s: Failed to submit urb %p, pkt type %d, err %d, retries %d",
+ __func__, urb, bt_cb(skb)->pkt_type, err, retries);
+ if ((bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) && (retries < 10)) {
+ mdelay(1);
+
+ if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT)
+ print_error_command(skb);
+ retries++;
+ goto retry;
+ }
+ kfree(urb->setup_packet);
+ usb_unanchor_urb(urb);
+ } else
+ usb_mark_last_busy(data->udev);
+ usb_free_urb(urb);
+
+done:
+ return err;
+}
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
+static void btusb_destruct(struct hci_dev *hdev)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+
+ RTKBT_DBG("%s: name %s", __func__, hdev->name);
+
+ kfree(data);
+}
+#endif
+
+static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+
+ RTKBT_DBG("%s: name %s, evt %d", __func__, hdev->name, evt);
+
+ if (SCO_NUM != data->sco_num) {
+ data->sco_num = SCO_NUM;
+ schedule_work(&data->work);
+ }
+}
+
+static inline int set_isoc_interface(struct hci_dev *hdev, int altsetting)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ struct usb_interface *intf = data->isoc;
+ struct usb_endpoint_descriptor *ep_desc;
+ int i, err;
+
+ if (!data->isoc)
+ return -ENODEV;
+
+ err = usb_set_interface(data->udev, 1, altsetting);
+ if (err < 0) {
+ RTKBT_ERR("%s: Failed to set interface, altsetting %d, err %d",
+ __func__, altsetting, err);
+ return err;
+ }
+
+ data->isoc_altsetting = altsetting;
+
+ data->isoc_tx_ep = NULL;
+ data->isoc_rx_ep = NULL;
+
+ for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+ ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+ if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
+ data->isoc_tx_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
+ data->isoc_rx_ep = ep_desc;
+ continue;
+ }
+ }
+
+ if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
+ RTKBT_ERR("%s: Invalid SCO descriptors", __func__);
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static void btusb_work(struct work_struct *work)
+{
+ struct btusb_data *data = container_of(work, struct btusb_data, work);
+ struct hci_dev *hdev = data->hdev;
+ int err;
+ int new_alts;
+ if (data->sco_num > 0) {
+ if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
+ err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
+ if (err < 0) {
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->isoc_anchor);
+ return;
+ }
+
+ set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
+ }
+#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 1)
+ if (hdev->voice_setting & 0x0020) {
+ static const int alts[3] = { 2, 4, 5 };
+ new_alts = alts[data->sco_num - 1];
+ } else{
+ new_alts = data->sco_num;
+ }
+ if (data->isoc_altsetting != new_alts) {
+#else
+ if (data->isoc_altsetting != 2) {
+ new_alts = 2;
+#endif
+
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->isoc_anchor);
+
+ if (set_isoc_interface(hdev, new_alts) < 0)
+ return;
+ }
+
+ if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+ if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ else
+ btusb_submit_isoc_urb(hdev, GFP_KERNEL);
+ }
+ } else {
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->isoc_anchor);
+
+ set_isoc_interface(hdev, 0);
+ if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
+ usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
+ }
+}
+
+static void btusb_waker(struct work_struct *work)
+{
+ struct btusb_data *data = container_of(work, struct btusb_data, waker);
+ int err;
+
+ RTKBT_DBG("%s: PM usage count %d", __func__,
+ atomic_read(&data->intf->pm_usage_cnt));
+
+ err = usb_autopm_get_interface(data->intf);
+ if (err < 0)
+ return;
+
+ usb_autopm_put_interface(data->intf);
+}
+
+
+//#ifdef CONFIG_HAS_EARLYSUSPEND
+#if 0
+static void btusb_early_suspend(struct early_suspend *h)
+{
+ struct btusb_data *data;
+ firmware_info *fw_info;
+ patch_info *patch_entry;
+
+ RTKBT_INFO("%s", __func__);
+
+ data = container_of(h, struct btusb_data, early_suspend);
+ fw_info = data->fw_info;
+ patch_entry = fw_info->patch_entry;
+
+ patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache);
+ if (patch_entry->fw_len <= 0) {
+ /* We may encount failure in loading firmware, just give a warning */
+ RTKBT_WARN("%s: Failed to load firmware", __func__);
+ }
+}
+
+static void btusb_late_resume(struct early_suspend *h)
+{
+ struct btusb_data *data;
+ firmware_info *fw_info;
+ patch_info *patch_entry;
+
+ RTKBT_INFO("%s", __func__);
+
+ data = container_of(h, struct btusb_data, early_suspend);
+ fw_info = data->fw_info;
+ patch_entry = fw_info->patch_entry;
+
+ /* Reclaim fw buffer when bt usb resumed */
+ if (patch_entry->fw_len > 0) {
+ kfree(patch_entry->fw_cache);
+ patch_entry->fw_cache = NULL;
+ patch_entry->fw_len = 0;
+ }
+}
+#else
+int bt_pm_notify(struct notifier_block *notifier, ulong pm_event, void *unused)
+{
+ struct btusb_data *data;
+ firmware_info *fw_info;
+ patch_info *patch_entry;
+ struct usb_device *udev;
+
+ RTKBT_INFO("%s: pm event %ld", __func__, pm_event);
+
+ data = container_of(notifier, struct btusb_data, pm_notifier);
+ fw_info = data->fw_info;
+ patch_entry = fw_info->patch_entry;
+ udev = fw_info->udev;
+
+ switch (pm_event) {
+ case PM_SUSPEND_PREPARE:
+ case PM_HIBERNATION_PREPARE:
+#if 0
+ patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache);
+ if (patch_entry->fw_len <= 0) {
+ /* We may encount failure in loading firmware, just give a warning */
+ RTKBT_WARN("%s: Failed to load firmware", __func__);
+ }
+#endif
+ if (!device_may_wakeup(&udev->dev)) {
+#if (CONFIG_RESET_RESUME || CONFIG_BLUEDROID)
+ RTKBT_INFO("%s:remote wakeup not supported, reset resume supported", __func__);
+#else
+ fw_info->intf->needs_binding = 1;
+ RTKBT_INFO("%s:remote wakeup not supported, binding needed", __func__);
+#endif
+ }
+ break;
+
+ case PM_POST_SUSPEND:
+ case PM_POST_HIBERNATION:
+ case PM_POST_RESTORE:
+#if 0
+ /* Reclaim fw buffer when bt usb resumed */
+ if (patch_entry->fw_len > 0) {
+ kfree(patch_entry->fw_cache);
+ patch_entry->fw_cache = NULL;
+ patch_entry->fw_len = 0;
+ }
+#endif
+
+#if BTUSB_RPM
+ usb_disable_autosuspend(udev);
+ usb_enable_autosuspend(udev);
+ pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
+#endif
+ break;
+
+ default:
+ break;
+ }
+
+ return NOTIFY_DONE;
+}
+
+int bt_reboot_notify(struct notifier_block *notifier, ulong pm_event, void *unused)
+{
+ struct btusb_data *data;
+ firmware_info *fw_info;
+ patch_info *patch_entry;
+ struct usb_device *udev;
+
+ RTKBT_INFO("%s: pm event %ld", __func__, pm_event);
+
+ data = container_of(notifier, struct btusb_data, reboot_notifier);
+ fw_info = data->fw_info;
+ patch_entry = fw_info->patch_entry;
+ udev = fw_info->udev;
+
+ switch (pm_event) {
+ case SYS_DOWN:
+ RTKBT_DBG("%s:system down or restart", __func__);
+ break;
+
+ case SYS_HALT:
+ case SYS_POWER_OFF:
+#if SUSPNED_DW_FW
+ cancel_work_sync(&data->work);
+
+ btusb_stop_traffic(data);
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->tx_anchor);
+
+
+ if(fw_info_4_suspend) {
+ download_suspend_patch(fw_info_4_suspend,1);
+ }
+ else
+ RTKBT_ERR("%s: Failed to download suspend fw", __func__);
+#endif
+
+#if SET_WAKEUP_DEVICE
+ set_wakeup_device_from_conf(fw_info_4_suspend);
+#endif
+ RTKBT_DBG("%s:system halt or power off", __func__);
+ break;
+
+ default:
+ break;
+ }
+
+ return NOTIFY_DONE;
+}
+
+#endif
+
+static int btusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ struct usb_endpoint_descriptor *ep_desc;
+ struct btusb_data *data;
+ struct hci_dev *hdev;
+ firmware_info *fw_info;
+ int i, err=0;
+
+ RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d, idVendor 0x%04x, "
+ "idProduct 0x%04x", __func__, intf,
+ intf->cur_altsetting->desc.bInterfaceNumber,
+ id->idVendor, id->idProduct);
+
+ /* interface numbers are hardcoded in the spec */
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return -ENODEV;
+
+ RTKBT_DBG("%s: can wakeup = %x, may wakeup = %x", __func__,
+ device_can_wakeup(&udev->dev), device_may_wakeup(&udev->dev));
+
+ data = rtk_alloc(intf);
+ if (!data)
+ return -ENOMEM;
+
+ for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+ ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+ if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
+ data->intr_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
+ data->bulk_tx_ep = ep_desc;
+ continue;
+ }
+
+ if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
+ data->bulk_rx_ep = ep_desc;
+ continue;
+ }
+ }
+
+ if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) {
+ rtk_free(data);
+ return -ENODEV;
+ }
+
+ data->cmdreq_type = USB_TYPE_CLASS;
+
+ data->udev = udev;
+ data->intf = intf;
+
+ dlfw_dis_state = 0;
+ spin_lock_init(&queue_lock);
+ spin_lock_init(&dlfw_lock);
+ spin_lock_init(&data->lock);
+
+ INIT_WORK(&data->work, btusb_work);
+ INIT_WORK(&data->waker, btusb_waker);
+ spin_lock_init(&data->txlock);
+
+ init_usb_anchor(&data->tx_anchor);
+ init_usb_anchor(&data->intr_anchor);
+ init_usb_anchor(&data->bulk_anchor);
+ init_usb_anchor(&data->isoc_anchor);
+ init_usb_anchor(&data->deferred);
+
+ fw_info = firmware_info_init(intf);
+ if (fw_info)
+ data->fw_info = fw_info;
+ else {
+ RTKBT_WARN("%s: Failed to initialize fw info", __func__);
+ /* Skip download patch */
+ goto end;
+ }
+
+ RTKBT_INFO("%s: download begining...", __func__);
+
+#if CONFIG_BLUEDROID
+ mutex_lock(&btchr_mutex);
+#endif
+
+
+
+#if CONFIG_BLUEDROID
+ mutex_unlock(&btchr_mutex);
+#endif
+
+ RTKBT_INFO("%s: download ending...", __func__);
+
+ hdev = hci_alloc_dev();
+ if (!hdev) {
+ rtk_free(data);
+ data = NULL;
+ return -ENOMEM;
+ }
+
+ HDEV_BUS = HCI_USB;
+
+ data->hdev = hdev;
+
+ SET_HCIDEV_DEV(hdev, &intf->dev);
+
+ hdev->open = btusb_open;
+ hdev->close = btusb_close;
+ hdev->flush = btusb_flush;
+ hdev->send = btusb_send_frame;
+ hdev->notify = btusb_notify;
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0)
+ hci_set_drvdata(hdev, data);
+#else
+ hdev->driver_data = data;
+ hdev->destruct = btusb_destruct;
+ hdev->owner = THIS_MODULE;
+#endif
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1)
+ if (!reset_on_close){
+ /* set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); */
+ RTKBT_DBG("%s: Set HCI_QUIRK_RESET_ON_CLOSE", __func__);
+ }
+#endif
+
+ /* Interface numbers are hardcoded in the specification */
+ data->isoc = usb_ifnum_to_if(data->udev, 1);
+ if (data->isoc) {
+ err = usb_driver_claim_interface(&btusb_driver,
+ data->isoc, data);
+ if (err < 0) {
+ hci_free_dev(hdev);
+ hdev = NULL;
+ rtk_free(data);
+ data = NULL;
+ return err;
+ }
+ }
+
+ err = hci_register_dev(hdev);
+ if (err < 0) {
+ hci_free_dev(hdev);
+ hdev = NULL;
+ rtk_free(data);
+ data = NULL;
+ return err;
+ }
+
+ usb_set_intfdata(intf, data);
+
+//#ifdef CONFIG_HAS_EARLYSUSPEND
+#if 0
+ data->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN;
+ data->early_suspend.suspend = btusb_early_suspend;
+ data->early_suspend.resume = btusb_late_resume;
+ register_early_suspend(&data->early_suspend);
+#else
+ data->pm_notifier.notifier_call = bt_pm_notify;
+ data->reboot_notifier.notifier_call = bt_reboot_notify;
+ register_pm_notifier(&data->pm_notifier);
+ register_reboot_notifier(&data->reboot_notifier);
+#endif
+
+#if CONFIG_BLUEDROID
+ RTKBT_INFO("%s: Check bt reset flag %d", __func__, bt_reset);
+ /* Report hci hardware error after everthing is ready,
+ * especially hci register is completed. Or, btchr_poll
+ * will get null hci dev when hotplug in.
+ */
+ if (bt_reset == 1) {
+ hci_hardware_error();
+ bt_reset = 0;
+ } else
+ bt_reset = 0; /* Clear and reset it anyway */
+#endif
+
+end:
+ return 0;
+}
+
+static void btusb_disconnect(struct usb_interface *intf)
+{
+ struct btusb_data *data;
+ struct hci_dev *hdev = NULL;
+
+ wait_event_interruptible(bt_dlfw_wait, (check_set_dlfw_state_value(2) == 2));
+
+ RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d",
+ __func__, intf, intf->cur_altsetting->desc.bInterfaceNumber);
+
+ data = usb_get_intfdata(intf);
+
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return;
+
+ if (data)
+ hdev = data->hdev;
+ else {
+ RTKBT_WARN("%s: Failed to get bt usb data[Null]", __func__);
+ return;
+ }
+
+//#ifdef CONFIG_HAS_EARLYSUSPEND
+#if 0
+ unregister_early_suspend(&data->early_suspend);
+#else
+ unregister_pm_notifier(&data->pm_notifier);
+ unregister_reboot_notifier(&data->reboot_notifier);
+#endif
+
+ firmware_info_destroy(intf);
+
+#if CONFIG_BLUEDROID
+ if (test_bit(HCI_RUNNING, &hdev->flags)) {
+ RTKBT_INFO("%s: Set BT reset flag", __func__);
+ bt_reset = 1;
+ }
+#endif
+
+ usb_set_intfdata(data->intf, NULL);
+
+ if (data->isoc)
+ usb_set_intfdata(data->isoc, NULL);
+
+ hci_unregister_dev(hdev);
+
+ if (intf == data->isoc)
+ usb_driver_release_interface(&btusb_driver, data->intf);
+ else if (data->isoc)
+ usb_driver_release_interface(&btusb_driver, data->isoc);
+
+#if !CONFIG_BLUEDROID
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
+ __hci_dev_put(hdev);
+#endif
+#endif
+
+ hci_free_dev(hdev);
+ rtk_free(data);
+ data = NULL;
+ set_dlfw_state_value(0);
+}
+
+#ifdef CONFIG_PM
+static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
+{
+ struct btusb_data *data = usb_get_intfdata(intf);
+ firmware_info *fw_info = data->fw_info;
+
+ RTKBT_INFO("%s: event 0x%x, suspend count %d", __func__,
+ message.event, data->suspend_count);
+
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return 0;
+
+ if (!test_bit(HCI_RUNNING, &data->hdev->flags))
+ set_bt_onoff(fw_info, 1);
+
+ if (data->suspend_count++)
+ return 0;
+
+ spin_lock_irq(&data->txlock);
+ if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) {
+ set_bit(BTUSB_SUSPENDING, &data->flags);
+ spin_unlock_irq(&data->txlock);
+ } else {
+ spin_unlock_irq(&data->txlock);
+ data->suspend_count--;
+ RTKBT_ERR("%s: Failed to enter suspend", __func__);
+ return -EBUSY;
+ }
+
+ cancel_work_sync(&data->work);
+
+ btusb_stop_traffic(data);
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->tx_anchor);
+
+#if SUSPNED_DW_FW
+ if(fw_info_4_suspend) {
+ download_suspend_patch(fw_info_4_suspend,1);
+ }
+ else
+ RTKBT_ERR("%s: Failed to download suspend fw", __func__);
+#endif
+
+#if SET_WAKEUP_DEVICE
+ set_wakeup_device_from_conf(fw_info_4_suspend);
+#endif
+
+ return 0;
+}
+
+static void play_deferred(struct btusb_data *data)
+{
+ struct urb *urb;
+ int err;
+
+ while ((urb = usb_get_from_anchor(&data->deferred))) {
+ usb_anchor_urb(urb, &data->tx_anchor);
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ RTKBT_ERR("%s: Failed to submit urb %p, err %d",
+ __func__, urb, err);
+ kfree(urb->setup_packet);
+ usb_unanchor_urb(urb);
+ } else {
+ usb_mark_last_busy(data->udev);
+ }
+ usb_free_urb(urb);
+
+ data->tx_in_flight++;
+ }
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_scuttle_anchored_urbs(&data->deferred);
+}
+
+static int btusb_resume(struct usb_interface *intf)
+{
+ struct btusb_data *data = usb_get_intfdata(intf);
+ struct hci_dev *hdev = data->hdev;
+ firmware_info *fw_info = data->fw_info;
+ int err = 0;
+
+ RTKBT_INFO("%s: Suspend count %d", __func__, data->suspend_count);
+
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return 0;
+
+ if (--data->suspend_count)
+ return 0;
+
+ /*check_fw_version to check the status of the BT Controller after USB Resume*/
+ err = check_fw_version(fw_info);
+ if (err !=0)
+ {
+ RTKBT_INFO("%s: BT Controller Power OFF And Return hci_hardware_error:%d", __func__, err);
+ hci_hardware_error();
+ }
+
+
+ if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
+ err = btusb_submit_intr_urb(hdev, GFP_NOIO);
+ if (err < 0) {
+ clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+ goto failed;
+ }
+ }
+
+ if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
+ err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
+ if (err < 0) {
+ clear_bit(BTUSB_BULK_RUNNING, &data->flags);
+ goto failed;
+ }
+
+ btusb_submit_bulk_urb(hdev, GFP_NOIO);
+ }
+
+ if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+ if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ else
+ btusb_submit_isoc_urb(hdev, GFP_NOIO);
+ }
+
+ spin_lock_irq(&data->txlock);
+ play_deferred(data);
+ clear_bit(BTUSB_SUSPENDING, &data->flags);
+ spin_unlock_irq(&data->txlock);
+ schedule_work(&data->work);
+
+ return 0;
+
+failed:
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_scuttle_anchored_urbs(&data->deferred);
+ spin_lock_irq(&data->txlock);
+ clear_bit(BTUSB_SUSPENDING, &data->flags);
+ spin_unlock_irq(&data->txlock);
+
+ return err;
+}
+#endif
+
+static struct usb_driver btusb_driver = {
+ .name = "rtk_btusb",
+ .probe = btusb_probe,
+ .disconnect = btusb_disconnect,
+#ifdef CONFIG_PM
+ .suspend = btusb_suspend,
+ .resume = btusb_resume,
+#endif
+#if CONFIG_RESET_RESUME
+ .reset_resume = btusb_resume,
+#endif
+ .id_table = btusb_table,
+ .supports_autosuspend = 1,
+#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 1)
+ .disable_hub_initiated_lpm = 1,
+#endif
+};
+
+static int __init btusb_init(void)
+{
+ int err;
+
+ RTKBT_INFO("RTKBT_RELEASE_NAME: %s",RTKBT_RELEASE_NAME);
+ RTKBT_INFO("Realtek Bluetooth USB driver module init, version %s", VERSION);
+#if CONFIG_BLUEDROID
+ err = btchr_init();
+ if (err < 0) {
+ /* usb register will go on, even bt char register failed */
+ RTKBT_ERR("Failed to register usb char device interfaces");
+ } else
+ bt_char_dev_registered = 1;
+#endif
+ err = usb_register(&btusb_driver);
+ if (err < 0)
+ RTKBT_ERR("Failed to register RTK bluetooth USB driver");
+ return err;
+}
+
+static void __exit btusb_exit(void)
+{
+ RTKBT_INFO("Realtek Bluetooth USB driver module exit");
+#if CONFIG_BLUEDROID
+ if (bt_char_dev_registered > 0)
+ btchr_exit();
+#endif
+ usb_deregister(&btusb_driver);
+}
+
+module_init(btusb_init);
+module_exit(btusb_exit);
+
+
+module_param(mp_drv_mode, int, 0644);
+MODULE_PARM_DESC(mp_drv_mode, "0: NORMAL; 1: MP MODE");
+
+
+MODULE_AUTHOR("Realtek Corporation");
+MODULE_DESCRIPTION("Realtek Bluetooth USB driver version");
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
projects / hercules2020 / nv-tegra / linux-4.4.git / commitdiff