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openwrt/target/linux/starfive/patches-6.6/0113-driver-bluetooth-add-aic8800-driver-support.patch

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starfive: add patches for 6.6 Add updated patches for 6.6. DMA/cache-handling patches have been reworked / backported from upstream. Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
2024-09-01 14:06:29 +00:00
From 18b70b6f5192ee5363515b57e1f213d0698224ed Mon Sep 17 00:00:00 2001
From: "ziv.xu" <ziv.xu@starfive.com>
Date: Tue, 28 Nov 2023 15:37:14 +0800
Subject: [PATCH 113/116] driver: bluetooth: add aic8800 driver support
add aic8800 driver that can support sco profile
Signed-off-by: ziv.xu <ziv.xu@starfive.com>
---
.../configs/starfive_visionfive2_defconfig | 3 +-
drivers/bluetooth/Kconfig | 4 +
drivers/bluetooth/Makefile | 1 +
drivers/bluetooth/aic_btusb/Makefile | 80 +
drivers/bluetooth/aic_btusb/aic_btusb.c | 5031 +++++++++++++++++
drivers/bluetooth/aic_btusb/aic_btusb.h | 753 +++
.../aic_btusb/aic_btusb_external_featrue.c | 126 +
.../aic_btusb/aic_btusb_external_featrue.h | 3 +
8 files changed, 5999 insertions(+), 2 deletions(-)
create mode 100644 drivers/bluetooth/aic_btusb/Makefile
create mode 100644 drivers/bluetooth/aic_btusb/aic_btusb.c
create mode 100644 drivers/bluetooth/aic_btusb/aic_btusb.h
create mode 100644 drivers/bluetooth/aic_btusb/aic_btusb_external_featrue.c
create mode 100644 drivers/bluetooth/aic_btusb/aic_btusb_external_featrue.h
--- a/arch/riscv/configs/starfive_visionfive2_defconfig
+++ b/arch/riscv/configs/starfive_visionfive2_defconfig
@@ -87,8 +87,7 @@ CONFIG_BT_RFCOMM_TTY=y
CONFIG_BT_BNEP=y
CONFIG_BT_BNEP_MC_FILTER=y
CONFIG_BT_BNEP_PROTO_FILTER=y
-CONFIG_BT_HCIBTUSB=m
-# CONFIG_BT_HCIBTUSB_BCM is not set
+CONFIG_BT_AICUSB=y
CONFIG_CFG80211=y
CONFIG_MAC80211=y
CONFIG_RFKILL=y
--- a/drivers/bluetooth/Kconfig
+++ b/drivers/bluetooth/Kconfig
@@ -478,5 +478,9 @@ config BT_NXPUART
Say Y here to compile support for NXP Bluetooth UART device into
the kernel, or say M here to compile as a module (btnxpuart).
+config BT_AICUSB
+ tristate "AIC8800 btusb driver"
+ help
+ AIC8800 usb dongle bluetooth support driver
endmenu
--- a/drivers/bluetooth/Makefile
+++ b/drivers/bluetooth/Makefile
@@ -51,3 +51,4 @@ hci_uart-$(CONFIG_BT_HCIUART_QCA) += hci
hci_uart-$(CONFIG_BT_HCIUART_AG6XX) += hci_ag6xx.o
hci_uart-$(CONFIG_BT_HCIUART_MRVL) += hci_mrvl.o
hci_uart-objs := $(hci_uart-y)
+obj-$(CONFIG_BT_AICUSB) += aic_btusb/
--- /dev/null
+++ b/drivers/bluetooth/aic_btusb/Makefile
@@ -0,0 +1,80 @@
+MODULE_NAME = aic_btusb
+
+CONFIG_AIC8800_BTUSB_SUPPORT = m
+CONFIG_SUPPORT_VENDOR_APCF = n
+# Need to set fw path in BOARD_KERNEL_CMDLINE
+CONFIG_USE_FW_REQUEST = n
+
+ifeq ($(CONFIG_SUPPORT_VENDOR_APCF), y)
+obj-$(CONFIG_AIC8800_BTUSB_SUPPORT) := $(MODULE_NAME).o aic_btusb_external_featrue.o
+else
+obj-$(CONFIG_AIC8800_BTUSB_SUPPORT) := $(MODULE_NAME).o
+endif
+
+ccflags-$(CONFIG_SUPPORT_VENDOR_APCF) += -DCONFIG_SUPPORT_VENDOR_APCF
+#$(MODULE_NAME)-y := aic_btusb_ioctl.o\
+# aic_btusb.o \
+
+ccflags-$(CONFIG_USE_FW_REQUEST) += -DCONFIG_USE_FW_REQUEST
+
+
+# Platform support list
+CONFIG_PLATFORM_ROCKCHIP ?= n
+CONFIG_PLATFORM_ALLWINNER ?= n
+CONFIG_PLATFORM_AMLOGIC ?= n
+CONFIG_PLATFORM_UBUNTU ?= y
+CONFIG_PLATFORM_ING ?= n
+
+ifeq ($(CONFIG_PLATFORM_ING), y)
+ARCH := mips
+KDIR ?= /home/yaya/E/Ingenic/T31/Ingenic-SDK-T31-1.1.5-20220428/opensource/kernel
+CROSS_COMPILE := /home/yaya/E/Ingenic/T31/Ingenic-SDK-T31-1.1.5-20220428/resource/toolchain/gcc_472/mips-gcc472-glibc216-32bit/bin/mips-linux-gnu-
+endif
+
+ifeq ($(CONFIG_PLATFORM_ROCKCHIP), y)
+ccflags-$(CONFIG_PLATFORM_ROCKCHIP) += -DCONFIG_PLATFORM_ROCKCHIP
+#KDIR := /home/yaya/E/Rockchip/3229/Android9/rk3229_android9.0_box/kernel
+#ARCH ?= arm
+#CROSS_COMPILE ?= /home/yaya/E/Rockchip/3229/Android9/rk3229_android9.0_box/prebuilts/gcc/linux-x86/arm/gcc-linaro-6.3.1-2017.05-x86_64_arm-linux-gnueabihf/bin/arm-linux-gnueabihf-
+#KDIR := /home/yaya/E/Rockchip/3229/Android7/RK3229_ANDROID7.1_v1.01_20170914/rk3229_Android7.1_v1.01_xml0914/kernel
+#ARCH ?= arm
+#CROSS_COMPILE ?= /home/yaya/E/Rockchip/3229/Android7/RK3229_ANDROID7.1_v1.01_20170914/rk3229_Android7.1_v1.01_xml0914/prebuilts/gcc/linux-x86/arm/arm-eabi-4.6/bin/arm-eabi-
+ARCH := arm64
+KDIR ?= /home/yaya/E/Rockchip/3566/firefly/Android11.0/Firefly-RK356X_Android11.0_git_20210824/RK356X_Android11.0/kernel
+CROSS_COMPILE := /home/yaya/E/Rockchip/3566/firefly/Android11.0/Firefly-RK356X_Android11.0_git_20210824/RK356X_Android11.0/prebuilts/gcc/linux-x86/aarch64/gcc-linaro-6.3.1-2017.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-
+
+endif
+
+ifeq ($(CONFIG_PLATFORM_ALLWINNER), y)
+ccflags-$(CONFIG_PLATFORM_ALLWINNER) += -DCONFIG_PLATFORM_ALLWINNER
+KDIR := /home/yaya/E/Allwinner/R818/R818/AndroidQ/lichee/kernel/linux-4.9
+ARCH ?= arm64
+CROSS_COMPILE ?= /home/yaya/E/Allwinner/R818/R818/AndroidQ/lichee/out/gcc-linaro-5.3.1-2016.05-x86_64_aarch64-linux-gnu/bin/aarch64-linux-gnu-
+endif
+
+ifeq ($(CONFIG_PLATFORM_AMLOGIC), y)
+ ccflags-$(CONFIG_PLATFORM_AMLOGIC) += -DCONFIG_PLATFORM_AMLOGIC
+endif
+
+ifeq ($(CONFIG_PLATFORM_UBUNTU), y)
+ccflags-$(CONFIG_PLATFORM_UBUNTU) += -DCONFIG_PLATFORM_UBUNTU
+endif
+
+all: modules
+modules:
+ make -C $(KDIR) M=$(PWD) ARCH=$(ARCH) CROSS_COMPILE=$(CROSS_COMPILE) modules
+
+install:
+ mkdir -p $(MODDESTDIR)
+ install -p -m 644 $(MODULE_NAME).ko $(MODDESTDIR)/
+ /sbin/depmod -a ${KVER}
+ echo $(MODULE_NAME) >> /etc/modules-load.d/aic_bt.conf
+
+uninstall:
+ rm -rfv $(MODDESTDIR)/$(MODULE_NAME).ko
+ /sbin/depmod -a ${KVER}
+ rm -f /etc/modules-load.d/aic_bt.conf
+
+clean:
+ rm -rf *.o *.ko *.o.* *.mod.* modules.* Module.* .a* .o* .*.o.* *.mod .tmp* .cache.mk .Module.symvers.cmd .modules.order.cmd
+
--- /dev/null
+++ b/drivers/bluetooth/aic_btusb/aic_btusb.c
@@ -0,0 +1,5031 @@
+/*
+ *
+ * AicSemi 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
+ * 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 "aic_btusb.h"
+
+#ifdef CONFIG_USE_FW_REQUEST
+#include <linux/firmware.h>
+#endif
+
+#define AICBT_RELEASE_NAME "202012_ANDROID"
+#define VERSION "2.1.0"
+
+#define SUSPNED_DW_FW 0
+
+
+static spinlock_t queue_lock;
+static spinlock_t dlfw_lock;
+static volatile uint16_t dlfw_dis_state = 0;
+
+/* USB Device ID */
+#define USB_VENDOR_ID_AIC 0xA69C
+#define USB_PRODUCT_ID_AIC8801 0x8801
+#define USB_PRODUCT_ID_AIC8800DC 0x88dc
+#define USB_PRODUCT_ID_AIC8800D80 0x8d81
+
+enum AICWF_IC{
+ PRODUCT_ID_AIC8801 = 0,
+ PRODUCT_ID_AIC8800DC,
+ PRODUCT_ID_AIC8800DW,
+ PRODUCT_ID_AIC8800D80
+};
+
+u16 g_chipid = PRODUCT_ID_AIC8801;
+u8 chip_id = 0;
+u8 sub_chip_id = 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;
+
+#if (CONFIG_BLUEDROID == 0)
+#if HCI_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)
+ spinlock_t rxlock;
+ struct sk_buff *evt_skb;
+ struct sk_buff *acl_skb;
+ struct sk_buff *sco_skb;
+#endif
+#endif
+
+ 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;
+ uint16_t sco_handle;
+
+#if (CONFIG_BLUEDROID == 0)
+#if HCI_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)
+ int (*recv_bulk) (struct btusb_data * data, void *buffer, int count);
+#endif
+#endif
+
+//#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;
+
+#ifdef CONFIG_SCO_OVER_HCI
+ AIC_sco_card_t *pSCOSnd;
+#endif
+};
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1)
+static bool reset_on_close = 0;
+#endif
+
+#ifdef CONFIG_SCO_OVER_HCI
+struct snd_sco_cap_timer {
+ struct timer_list cap_timer;
+ struct timer_list play_timer;
+ struct btusb_data snd_usb_data;
+ int snd_sco_length;
+};
+static struct snd_sco_cap_timer snd_cap_timer;
+#endif
+
+
+int bt_support = 0;
+module_param(bt_support, int, 0660);
+
+#ifdef CONFIG_SUPPORT_VENDOR_APCF
+int vendor_apcf_sent_done = 0;
+#endif
+
+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);
+}
+
+
+
+
+static void aic_free( struct btusb_data *data)
+{
+#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 1)
+ kfree(data);
+#endif
+ return;
+}
+
+static struct btusb_data *aic_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);
+
+ AICBT_INFO("aic %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);
+
+ AICBT_INFO("aic %s: direction %d, handle %04x, len %d,wlength %d",
+ __func__, direction, *handle, len,wlength);
+#endif
+}
+
+static void print_error_command(struct sk_buff *skb)
+{
+ u16 *opcode = (u16*)(skb->data);
+ u8 *cmd_data = (u8*)(skb->data);
+ u8 len = *(cmd_data+2);
+
+ printk(" 0x%04x,len:%d,", *opcode, len);
+#if CONFIG_BLUEDROID
+ 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;
+ case HCI_OP_Write_Simple_Pairing_Mode:
+ printk("HCI_OP_Write_Simple_Pairing_Mode");
+ break;
+ case HCI_OP_Read_Buffer_Size:
+ printk("HCI_OP_Read_Buffer_Size");
+ break;
+ case HCI_OP_Host_Buffer_Size:
+ printk("HCI_OP_Host_Buffer_Size");
+ break;
+ case HCI_OP_Read_Local_Version_Information:
+ printk("HCI_OP_Read_Local_Version_Information");
+ break;
+ case HCI_OP_Read_BD_ADDR:
+ printk("HCI_OP_Read_BD_ADDR");
+ break;
+ case HCI_OP_Read_Local_Supported_Commands:
+ printk("HCI_OP_Read_Local_Supported_Commands");
+ break;
+ case HCI_OP_Write_Scan_Enable:
+ printk("HCI_OP_Write_Scan_Enable");
+ break;
+ case HCI_OP_Write_Current_IAC_LAP:
+ printk("HCI_OP_Write_Current_IAC_LAP");
+ break;
+ case HCI_OP_Write_Inquiry_Scan_Activity:
+ printk("HCI_OP_Write_Inquiry_Scan_Activity");
+ break;
+ case HCI_OP_Write_Class_of_Device:
+ printk("HCI_OP_Write_Class_of_Device");
+ break;
+ case HCI_OP_LE_Rand:
+ printk("HCI_OP_LE_Rand");
+ break;
+ case HCI_OP_LE_Set_Random_Address:
+ printk("HCI_OP_LE_Set_Random_Address");
+ break;
+ case HCI_OP_LE_Set_Extended_Scan_Enable:
+ printk("HCI_OP_LE_Set_Extended_Scan_Enable");
+ break;
+ case HCI_OP_LE_Set_Extended_Scan_Parameters:
+ printk("HCI_OP_LE_Set_Extended_Scan_Parameters");
+ break;
+ case HCI_OP_Set_Event_Filter:
+ printk("HCI_OP_Set_Event_Filter");
+ break;
+ case HCI_OP_Write_Voice_Setting:
+ printk("HCI_OP_Write_Voice_Setting");
+ break;
+ case HCI_OP_Change_Local_Name:
+ printk("HCI_OP_Change_Local_Name");
+ break;
+ case HCI_OP_Read_Local_Name:
+ printk("HCI_OP_Read_Local_Name");
+ break;
+ case HCI_OP_Wirte_Page_Timeout:
+ printk("HCI_OP_Wirte_Page_Timeout");
+ break;
+ case HCI_OP_LE_Clear_Resolving_List:
+ printk("HCI_OP_LE_Clear_Resolving_List");
+ break;
+ case HCI_OP_LE_Set_Addres_Resolution_Enable_Command:
+ printk("HCI_OP_LE_Set_Addres_Resolution_Enable_Command");
+ break;
+ case HCI_OP_Write_Inquiry_mode:
+ printk("HCI_OP_Write_Inquiry_mode");
+ break;
+ case HCI_OP_Write_Page_Scan_Type:
+ printk("HCI_OP_Write_Page_Scan_Type");
+ break;
+ case HCI_OP_Write_Inquiry_Scan_Type:
+ printk("HCI_OP_Write_Inquiry_Scan_Type");
+ break;
+ case HCI_OP_Delete_Stored_Link_Key:
+ printk("HCI_OP_Delete_Stored_Link_Key");
+ break;
+ case HCI_OP_LE_Read_Local_Resolvable_Address:
+ printk("HCI_OP_LE_Read_Local_Resolvable_Address");
+ break;
+ case HCI_OP_LE_Extended_Create_Connection:
+ printk("HCI_OP_LE_Extended_Create_Connection");
+ break;
+ case HCI_OP_Read_Remote_Version_Information:
+ printk("HCI_OP_Read_Remote_Version_Information");
+ break;
+ case HCI_OP_LE_Start_Encryption:
+ printk("HCI_OP_LE_Start_Encryption");
+ break;
+ case HCI_OP_LE_Add_Device_to_Resolving_List:
+ printk("HCI_OP_LE_Add_Device_to_Resolving_List");
+ break;
+ case HCI_OP_LE_Set_Privacy_Mode:
+ printk("HCI_OP_LE_Set_Privacy_Mode");
+ break;
+ case HCI_OP_LE_Connection_Update:
+ printk("HCI_OP_LE_Connection_Update");
+ break;
+ default:
+ printk("UNKNOW_HCI_COMMAND");
+ break;
+ }
+#endif //CONFIG_BLUEDROID
+}
+
+static void print_command(struct sk_buff *skb)
+{
+#if PRINT_CMD_EVENT
+ print_error_command(skb);
+#endif
+}
+
+
+enum CODEC_TYPE{
+ CODEC_CVSD,
+ CODEC_MSBC,
+};
+
+static enum CODEC_TYPE codec_type = CODEC_CVSD;
+static void set_select_msbc(enum CODEC_TYPE type);
+static enum CODEC_TYPE check_select_msbc(void);
+
+
+#if CONFIG_BLUEDROID
+
+/* Global parameters for bt usb char driver */
+#define BT_CHAR_DEVICE_NAME "aicbt_dev"
+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;
+
+#ifdef CONFIG_SUPPORT_VENDOR_APCF
+static int bypass_event(struct sk_buff *skb)
+{
+ int ret = 0;
+ u8 *opcode = (u8*)(skb->data);
+ //u8 len = *(opcode+1);
+ u16 sub_opcpde;
+
+ switch(*opcode) {
+ case HCI_EV_CMD_COMPLETE:
+ sub_opcpde = ((u16)opcode[3]|(u16)(opcode[4])<<8);
+ if(sub_opcpde == 0xfd57){
+ if(vendor_apcf_sent_done){
+ vendor_apcf_sent_done--;
+ printk("apcf bypass\r\n");
+ ret = 1;
+ }
+ }
+ break;
+ default:
+ break;
+ }
+ return ret;
+}
+#endif//CONFIG_SUPPORT_VENDOR_APCF
+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);
+
+ printk("aic %s ", __func__);
+ 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("unknow event");
+ break;
+ }
+ printk("\n");
+#if 0
+ printk("%02x,len:%d,", *opcode,len);
+ for (icount = 2; (icount < wlength) && (icount < 24); icount++)
+ printk("%02x ", *(opcode+icount));
+ printk("\n");
+#endif
+#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 *aic_skb_queue[QUEUE_SIZE];
+static int aic_skb_queue_front = 0;
+static int aic_skb_queue_rear = 0;
+
+static void aic_enqueue(struct sk_buff *skb)
+{
+ spin_lock(&queue_lock);
+ if (aic_skb_queue_front == (aic_skb_queue_rear + 1) % QUEUE_SIZE) {
+ /*
+ * If queue is full, current solution is to drop
+ * the following entries.
+ */
+ AICBT_WARN("%s: Queue is full, entry will be dropped", __func__);
+ } else {
+ aic_skb_queue[aic_skb_queue_rear] = skb;
+
+ aic_skb_queue_rear++;
+ aic_skb_queue_rear %= QUEUE_SIZE;
+
+ }
+ spin_unlock(&queue_lock);
+}
+
+static struct sk_buff *aic_dequeue_try(unsigned int deq_len)
+{
+ struct sk_buff *skb;
+ struct sk_buff *skb_copy;
+
+ if (aic_skb_queue_front == aic_skb_queue_rear) {
+ AICBT_WARN("%s: Queue is empty", __func__);
+ return NULL;
+ }
+
+ skb = aic_skb_queue[aic_skb_queue_front];
+ if (deq_len >= skb->len) {
+
+ aic_skb_queue_front++;
+ aic_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 (aic_skb_queue_front == aic_skb_queue_rear) ? 1 : 0;
+}
+
+static void aic_clear_queue(void)
+{
+ struct sk_buff *skb;
+ spin_lock(&queue_lock);
+ while(!is_queue_empty()) {
+ skb = aic_skb_queue[aic_skb_queue_front];
+ aic_skb_queue[aic_skb_queue_front] = NULL;
+ aic_skb_queue_front++;
+ aic_skb_queue_front %= QUEUE_SIZE;
+ if (skb) {
+ kfree_skb(skb);
+ }
+ }
+ spin_unlock(&queue_lock);
+}
+
+/*
+ * AicSemi - 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;
+
+ AICBT_DBG("%s: dev %d", __func__, dev);
+
+ hdev = hci_dev_get(dev);
+ if (!hdev) {
+ AICBT_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) {
+ AICBT_ERR("%s: failed to get hci dev[Null]", __func__);
+ return -ENODEV;
+ }
+
+ err = hci_dev_do_close(hdev);
+
+ return err;
+}
+
+#ifdef CONFIG_SCO_OVER_HCI
+/* copy data from the URB buffer into the ALSA ring buffer */
+static bool aic_copy_capture_data_to_alsa(struct btusb_data *data, uint8_t* p_data, unsigned int frames)
+{
+ struct snd_pcm_runtime *runtime;
+ unsigned int frame_bytes, frames1;
+ u8 *dest;
+ AIC_sco_card_t *pSCOSnd = data->pSCOSnd;
+
+ runtime = pSCOSnd->capture.substream->runtime;
+ frame_bytes = 2;
+
+ dest = runtime->dma_area + pSCOSnd->capture.buffer_pos * frame_bytes;
+ if (pSCOSnd->capture.buffer_pos + frames <= runtime->buffer_size) {
+ memcpy(dest, p_data, frames * frame_bytes);
+ } else {
+ /* wrap around at end of ring buffer */
+ frames1 = runtime->buffer_size - pSCOSnd->capture.buffer_pos;
+ memcpy(dest, p_data, frames1 * frame_bytes);
+ memcpy(runtime->dma_area,
+ p_data + frames1 * frame_bytes,
+ (frames - frames1) * frame_bytes);
+ }
+
+ pSCOSnd->capture.buffer_pos += frames;
+ if (pSCOSnd->capture.buffer_pos >= runtime->buffer_size) {
+ pSCOSnd->capture.buffer_pos -= runtime->buffer_size;
+ }
+
+ if((pSCOSnd->capture.buffer_pos%runtime->period_size) == 0) {
+ snd_pcm_period_elapsed(pSCOSnd->capture.substream);
+ }
+
+ return false;
+}
+
+
+static void hci_send_to_alsa_ringbuffer(struct hci_dev *hdev, struct sk_buff *skb)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ AIC_sco_card_t *pSCOSnd = data->pSCOSnd;
+ uint8_t* p_data;
+ int sco_length = skb->len - HCI_SCO_HDR_SIZE;
+ u16 *handle = (u16 *) (skb->data);
+ //u8 errflg = (u8)((*handle & 0x3000) >> 12);
+
+ pSCOSnd->usb_data->sco_handle = (*handle & 0x0fff);
+
+ AICBT_DBG("%s, %x, %x %x\n", __func__,pSCOSnd->usb_data->sco_handle, *handle, errflg);
+
+ if (!hdev) {
+ AICBT_INFO("%s: Frame for unknown HCI device", __func__);
+ return;
+ }
+
+ if (!test_bit(ALSA_CAPTURE_RUNNING, &pSCOSnd->states)) {
+ AICBT_INFO("%s: ALSA is not running", __func__);
+ return;
+ }
+ snd_cap_timer.snd_sco_length = sco_length;
+ p_data = (uint8_t *)skb->data + HCI_SCO_HDR_SIZE;
+ aic_copy_capture_data_to_alsa(data, p_data, sco_length/2);
+}
+
+#endif
+
+#if CONFIG_BLUEDROID
+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;
+
+ AICBT_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);
+
+ AICBT_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);
+ AICBT_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;
+
+ AICBT_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 *aic_skb_copy = NULL;
+
+ //AICBT_DBG("%s", __func__);
+
+ if (!hdev) {
+ AICBT_ERR("%s: Frame for unknown HCI device", __func__);
+ return;
+ }
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags)) {
+ AICBT_ERR("%s: HCI not running", __func__);
+ return;
+ }
+
+ aic_skb_copy = pskb_copy(skb, GFP_ATOMIC);
+ if (!aic_skb_copy) {
+ AICBT_ERR("%s: Copy skb error", __func__);
+ return;
+ }
+
+ memcpy(skb_push(aic_skb_copy, 1), &bt_cb(skb)->pkt_type, 1);
+ aic_enqueue(aic_skb_copy);
+
+ /* Make sure bt char device existing before wakeup read queue */
+ hdev = hci_dev_get(0);
+ if (hdev) {
+ //AICBT_DBG("%s: Try to wakeup read queue", __func__);
+ AICBT_DBG("%s", __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)) {
+#ifdef CONFIG_SCO_OVER_HCI
+ if(bt_cb(skb)->pkt_type == HCI_SCODATA_PKT){
+ hci_send_to_alsa_ringbuffer(hdev, skb);
+ }else{
+#ifdef CONFIG_SUPPORT_VENDOR_APCF
+ if(bt_cb(skb)->pkt_type == HCI_EVENT_PKT){
+ if(bypass_event(skb)){
+ kfree_skb(skb);
+ return 0;
+ }
+ }
+#endif //CONFIG_SUPPORT_VENDOR_APCF
+ hci_send_to_stack(hdev, skb);
+ }
+#else
+#ifdef CONFIG_SUPPORT_VENDOR_APCF
+ if(bt_cb(skb)->pkt_type == HCI_EVENT_PKT){
+ if(bypass_event(skb)){
+ kfree_skb(skb);
+ return 0;
+ }
+ }
+#endif //CONFIG_SUPPORT_VENDOR_APCF
+ /* Send copy to the sockets */
+ hci_send_to_stack(hdev, skb);
+#endif
+
+ }
+
+ 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;
+
+ //AICBT_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;
+}
+#endif //CONFIG_BLUEDROID
+
+void hci_hardware_error(void)
+{
+ struct sk_buff *aic_skb_copy = NULL;
+ int len = 3;
+ uint8_t hardware_err_pkt[4] = {HCI_EVENT_PKT, 0x10, 0x01, HCI_VENDOR_USB_DISC_HARDWARE_ERROR};
+
+ aic_skb_copy = alloc_skb(len, GFP_ATOMIC);
+ if (!aic_skb_copy) {
+ AICBT_ERR("%s: Failed to allocate mem", __func__);
+ return;
+ }
+
+ memcpy(skb_put(aic_skb_copy, len), hardware_err_pkt, len);
+ aic_enqueue(aic_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;
+
+ AICBT_DBG("%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) {
+ AICBT_DBG("%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);
+
+ aic_clear_queue();
+ 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;
+
+ AICBT_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;
+
+ 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.
+ */
+ AICBT_ERR("%s: Failed to get hci dev[Null]", __func__);
+ }
+
+ ret = wait_event_interruptible(btchr_read_wait, !is_queue_empty());
+ if (ret < 0) {
+ AICBT_ERR("%s: wait event is signaled %d", __func__, (int)ret);
+ break;
+ }
+
+ skb = aic_dequeue_try(count);
+ if (skb) {
+ ret = usb_put_user(skb, buf_p, count);
+ if (ret < 0)
+ AICBT_ERR("%s: Failed to put data to user space", __func__);
+ kfree_skb(skb);
+ break;
+ }
+ }
+
+ return ret;
+}
+
+#ifdef CONFIG_SUPPORT_VENDOR_APCF
+void btchr_external_write(char* buff, int len){
+ struct hci_dev *hdev;
+ struct sk_buff *skb;
+ int i;
+ struct btusb_data *data;
+
+ AICBT_INFO("%s \r\n", __func__);
+ for(i=0;i<len;i++){
+ printk("0x%x ",(u8)buff[i]);
+ }
+ printk("\r\n");
+ hdev = hci_dev_get(0);
+ if (!hdev) {
+ AICBT_WARN("%s: Failed to get hci dev[Null]", __func__);
+ return;
+ }
+ /* Never trust on btusb_data, as bt device may be hotplugged out */
+ data = GET_DRV_DATA(hdev);
+ if (!data) {
+ AICBT_WARN("%s: Failed to get bt usb driver data[Null]", __func__);
+ return;
+ }
+ vendor_apcf_sent_done++;
+
+ skb = bt_skb_alloc(len, GFP_ATOMIC);
+ if (!skb)
+ return;
+ skb_reserve(skb, -1); // Add this line
+ skb->dev = (void *)hdev;
+ memcpy((__u8 *)skb->data,(__u8 *)buff,len);
+ skb_put(skb, len);
+ bt_cb(skb)->pkt_type = *((__u8 *)skb->data);
+ skb_pull(skb, 1);
+ data->hdev->send(skb);
+}
+
+EXPORT_SYMBOL(btchr_external_write);
+#endif //CONFIG_SUPPORT_VENDOR_APCF
+
+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;
+
+ //AICBT_DBG("%s: BT usb char device is writing", __func__);
+ AICBT_DBG("%s", __func__);
+
+ hdev = hci_dev_get(0);
+ if (!hdev) {
+ AICBT_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) {
+ AICBT_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)) {
+ AICBT_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;
+
+ //AICBT_DBG("%s: BT usb char device is polling", __func__);
+
+ if(!bt_char_dev_registered) {
+ AICBT_ERR("%s: char device has not registered!", __func__);
+ return POLLERR | POLLHUP;
+ }
+
+ poll_wait(file_p, &btchr_read_wait, wait);
+
+ hdev = hci_dev_get(0);
+ if (!hdev) {
+ AICBT_ERR("%s: Failed to get hci dev[Null]", __func__);
+ mdelay(URB_CANCELING_DELAY_MS);
+ return POLLERR | POLLHUP;
+ 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.
+ */
+ AICBT_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(!bt_char_dev_registered) {
+ return -ENODEV;
+ }
+
+ if(check_set_dlfw_state_value(1) != 1) {
+ AICBT_ERR("%s bt controller is disconnecting!", __func__);
+ return 0;
+ }
+
+ hdev = hci_dev_get(0);
+ if(!hdev) {
+ AICBT_ERR("%s device is NULL!", __func__);
+ set_dlfw_state_value(0);
+ return 0;
+ }
+ data = GET_DRV_DATA(hdev);
+ fw_info = data->fw_info;
+
+ AICBT_INFO(" btchr_ioctl DOWN_FW_CFG with Cmd:%d",cmd);
+ switch (cmd) {
+ case DOWN_FW_CFG:
+ AICBT_INFO(" btchr_ioctl 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){
+ AICBT_ERR("%s:Failed in download_patch with ret:%d",__func__,ret);
+ goto failed;
+ }
+
+ ret = hdev->open(hdev);
+ if(ret < 0){
+ AICBT_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;
+ case DWFW_CMPLT:
+ AICBT_INFO(" btchr_ioctl DWFW_CMPLT");
+#if 1
+ case SET_ISO_CFG:
+ AICBT_INFO("btchr_ioctl SET_ISO_CFG");
+ if(copy_from_user(&(hdev->voice_setting), (__u16*)arg, sizeof(__u16))){
+ AICBT_INFO(" voice settings err");
+ }
+ //hdev->voice_setting = *(uint16_t*)arg;
+ AICBT_INFO(" voice settings = %d", hdev->voice_setting);
+ //return 1;
+#endif
+ case GET_USB_INFO:
+ //ret = download_patch(fw_info,1);
+ AICBT_INFO(" btchr_ioctl GET_USB_INFO");
+ ret = hdev->open(hdev);
+ if(ret < 0){
+ AICBT_ERR("%s:Failed in hdev->open(hdev):%d",__func__,ret);
+ //goto done;
+ }
+ set_bit(HCI_UP, &hdev->flags);
+ set_dlfw_state_value(0);
+ wake_up_interruptible(&bt_dlfw_wait);
+ return 1;
+ case RESET_CONTROLLER:
+ AICBT_INFO(" btchr_ioctl RESET_CONTROLLER");
+ //reset_controller(fw_info);
+ return 1;
+ default:
+ AICBT_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;
+
+}
+
+#ifdef CONFIG_PLATFORM_UBUNTU//AIDEN
+typedef u32 compat_uptr_t;
+static inline void __user *compat_ptr(compat_uptr_t uptr)
+{
+ return (void __user *)(unsigned long)uptr;
+}
+#endif
+
+#ifdef CONFIG_COMPAT
+static long compat_btchr_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
+{
+ AICBT_DBG("%s: enter",__func__);
+ return btchr_ioctl(filp, cmd, (unsigned long) compat_ptr(arg));
+}
+#endif
+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,
+#ifdef CONFIG_COMPAT
+ compat_ioctl : compat_btchr_ioctl,
+#endif
+};
+
+static int btchr_init(void)
+{
+ int res = 0;
+ struct device *dev;
+
+ AICBT_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)) {
+ AICBT_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) {
+ AICBT_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)) {
+ AICBT_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) {
+ AICBT_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)
+{
+ AICBT_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 len = 0;
+ int ret_val = -1;
+ int i = 0;
+
+ if(g_chipid == PRODUCT_ID_AIC8801 || g_chipid == PRODUCT_ID_AIC8800D80){
+ ret_val = usb_bulk_msg(fw_info->udev, fw_info->pipe_out, fw_info->send_pkt, fw_info->pkt_len,
+ &len, 3000);
+ if (ret_val || (len != fw_info->pkt_len)) {
+ AICBT_INFO("Error in send hci cmd = %d,"
+ "len = %d, size = %d", ret_val, len, fw_info->pkt_len);
+ }
+ }else if(g_chipid == PRODUCT_ID_AIC8800DC){
+ while((ret_val<0)&&(i++<3))
+ {
+ 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), RCV_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)
+{
+ int ret_val;
+
+ AICBT_INFO("%s: %s", __func__, onoff != 0 ? "on" : "off");
+
+ 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) {
+ AICBT_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) {
+ AICBT_ERR("%s: Failed to receive bt %s event, errno %d",
+ __func__, onoff != 0 ? "on" : "off", ret_val);
+ return ret_val;
+ }
+
+ return ret_val;
+}
+
+//for 8800DC start
+u32 fwcfg_tbl[][2] = {
+ {0x40200028, 0x0021047e},
+ {0x40200024, 0x0000011d},
+};
+
+int fw_config(firmware_info* fw_info)
+{
+ int ret_val = -1;
+ struct hci_dbg_rd_mem_cmd *rd_cmd;
+ struct hci_dbg_rd_mem_cmd_evt *evt_para;
+ int len = 0, i = 0;
+ struct fw_status *evt_status;
+
+ rd_cmd = (struct hci_dbg_rd_mem_cmd *)(fw_info->req_para);
+ if (!rd_cmd)
+ return -ENOMEM;
+
+ rd_cmd->start_addr = 0x40200024;
+ rd_cmd->type = 32;
+ rd_cmd->length = 4;
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VSC_DBG_RD_MEM_CMD);
+ fw_info->cmd_hdr->plen = sizeof(struct hci_dbg_rd_mem_cmd);
+ fw_info->pkt_len = CMD_HDR_LEN + sizeof(struct hci_dbg_rd_mem_cmd);
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ printk("%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) {
+ printk("%s: Failed to receive hci event, errno %d",
+ __func__, ret_val);
+ return ret_val;
+ }
+
+ evt_para = (struct hci_dbg_rd_mem_cmd_evt *)(fw_info->rsp_para);
+
+ printk("%s: fw status = 0x%04x, length %d, %x %x %x %x",
+ __func__, evt_para->status, evt_para->length,
+ evt_para->data[0],
+ evt_para->data[1],
+ evt_para->data[2],
+ evt_para->data[3]);
+
+ ret_val = evt_para->status;
+ if (evt_para->status == 0) {
+ uint16_t rd_data = (evt_para->data[0] | (evt_para->data[1] << 8));
+ printk("%s rd_data is %x\n", __func__, rd_data);
+ if (rd_data == 0x119) {
+ struct aicbt_patch_table_cmd *patch_table_cmd = (struct aicbt_patch_table_cmd *)(fw_info->req_para);
+ len = sizeof(fwcfg_tbl) / sizeof(u32) / 2;
+ patch_table_cmd->patch_num = len;
+ for (i = 0; i < len; i++) {
+ memcpy(&patch_table_cmd->patch_table_addr[i], &fwcfg_tbl[i][0], sizeof(uint32_t));
+ memcpy(&patch_table_cmd->patch_table_data[i], &fwcfg_tbl[i][1], sizeof(uint32_t));
+ printk("%s [%d] data: %08x %08x\n", __func__, i, patch_table_cmd->patch_table_addr[i],patch_table_cmd->patch_table_data[i]);
+ }
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VSC_UPDATE_PT_CMD);
+ fw_info->cmd_hdr->plen = HCI_VSC_UPDATE_PT_SIZE;
+ fw_info->pkt_len = fw_info->cmd_hdr->plen + 3;
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ AICBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
+ return ret_val;
+ }
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ printk("%s: Failed to receive hci event, errno %d",
+ __func__, ret_val);
+ return ret_val;
+ }
+ evt_status = (struct fw_status *)fw_info->rsp_para;
+ ret_val = evt_status->status;
+ if (0 != evt_status->status) {
+ ret_val = -1;
+ } else {
+ ret_val = 0;
+ }
+
+ }
+ }
+ return ret_val;
+}
+
+int system_config(firmware_info *fw_info)
+{
+ int ret_val = -1;
+ struct hci_dbg_rd_mem_cmd *rd_cmd;
+ struct hci_dbg_rd_mem_cmd_evt *evt_para;
+ //int len = 0, i = 0;
+ //struct fw_status *evt_status;
+
+ rd_cmd = (struct hci_dbg_rd_mem_cmd *)(fw_info->req_para);
+ if (!rd_cmd)
+ return -ENOMEM;
+
+ rd_cmd->start_addr = 0x40500000;
+ rd_cmd->type = 32;
+ rd_cmd->length = 4;
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VSC_DBG_RD_MEM_CMD);
+ fw_info->cmd_hdr->plen = sizeof(struct hci_dbg_rd_mem_cmd);
+ fw_info->pkt_len = CMD_HDR_LEN + sizeof(struct hci_dbg_rd_mem_cmd);
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0)
+ {
+ printk("%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)
+ {
+ printk("%s: Failed to receive hci event, errno %d",
+ __func__, ret_val);
+ return ret_val;
+ }
+
+ evt_para = (struct hci_dbg_rd_mem_cmd_evt *)(fw_info->rsp_para);
+
+ printk("%s: fw status = 0x%04x, length %d, %x %x %x %x",
+ __func__, evt_para->status, evt_para->length,
+ evt_para->data[0],
+ evt_para->data[1],
+ evt_para->data[2],
+ evt_para->data[3]);
+
+ ret_val = evt_para->status;
+ if (evt_para->status == 0)
+ {
+ uint32_t rd_data = (evt_para->data[0] | (evt_para->data[1] << 8) | (evt_para->data[2] << 16) | (evt_para->data[3] << 24));
+ //printk("%s 0x40500000 rd_data is %x\n", __func__, rd_data);
+ chip_id = (u8) (rd_data >> 16);
+ }
+
+ rd_cmd->start_addr = 0x20;
+ rd_cmd->type = 32;
+ rd_cmd->length = 4;
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VSC_DBG_RD_MEM_CMD);
+ fw_info->cmd_hdr->plen = sizeof(struct hci_dbg_rd_mem_cmd);
+ fw_info->pkt_len = CMD_HDR_LEN + sizeof(struct hci_dbg_rd_mem_cmd);
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0)
+ {
+ printk("%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)
+ {
+ printk("%s: Failed to receive hci event, errno %d",
+ __func__, ret_val);
+ return ret_val;
+ }
+
+ evt_para = (struct hci_dbg_rd_mem_cmd_evt *)(fw_info->rsp_para);
+
+ printk("%s: fw status = 0x%04x, length %d, %x %x %x %x",
+ __func__, evt_para->status, evt_para->length,
+ evt_para->data[0],
+ evt_para->data[1],
+ evt_para->data[2],
+ evt_para->data[3]);
+
+ ret_val = evt_para->status;
+ if (evt_para->status == 0)
+ {
+ uint32_t rd_data = (evt_para->data[0] | (evt_para->data[1] << 8) | (evt_para->data[2] << 16) | (evt_para->data[3] << 24));
+ //printk("%s 0x02 rd_data is %x\n", __func__, rd_data);
+ sub_chip_id = (u8) (rd_data);
+ }
+ printk("chip_id = %x, sub_chip_id = %x\n", chip_id, sub_chip_id);
+ return ret_val;
+}
+
+int check_fw_status(firmware_info* fw_info)
+{
+ struct fw_status *read_ver_rsp;
+ int ret_val = -1;
+
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VSC_FW_STATUS_GET_CMD);
+ fw_info->cmd_hdr->plen = 0;
+ fw_info->pkt_len = CMD_HDR_LEN;
+
+ ret_val = send_hci_cmd(fw_info);
+ if (ret_val < 0) {
+ printk("%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) {
+ printk("%s: Failed to receive hci event, errno %d",
+ __func__, ret_val);
+ return ret_val;
+ }
+
+ read_ver_rsp = (struct fw_status *)(fw_info->rsp_para);
+
+ printk("%s: fw status = 0x%04x",
+ __func__, read_ver_rsp->status);
+ return read_ver_rsp->status;
+}
+
+int download_data(firmware_info *fw_info, u32 fw_addr, char *filename)
+{
+ unsigned int i=0;
+ int size;
+ u8 *dst=NULL;
+ int err=0;
+ struct hci_dbg_wr_mem_cmd *dl_cmd;
+ int hdr_len = sizeof(__le32) + sizeof(__u8) + sizeof(__u8);
+ int data_len = HCI_VSC_MEM_WR_SIZE;
+ int frag_len = data_len + hdr_len;
+ int ret_val;
+ int ncmd = 1;
+ struct fw_status *evt_para;
+
+ /* load aic firmware */
+ size = aic_load_firmware(&dst, filename, NULL);
+ if(size <= 0){
+ printk("wrong size of firmware file\n");
+ vfree(dst);
+ dst = NULL;
+ return -1;
+ }
+
+ dl_cmd = (struct hci_dbg_wr_mem_cmd *)(fw_info->req_para);
+ if (!dl_cmd)
+ return -ENOMEM;
+ evt_para = (struct fw_status *)fw_info->rsp_para;
+
+ /* Copy the file on the Embedded side */
+ printk("### Upload %s firmware, @ = %x size=%d\n", filename, fw_addr, size);
+
+ if (size > HCI_VSC_MEM_WR_SIZE) {// > 1KB data
+ for (i = 0; i < (size - HCI_VSC_MEM_WR_SIZE); i += HCI_VSC_MEM_WR_SIZE) {//each time write 240 bytes
+ data_len = HCI_VSC_MEM_WR_SIZE;
+ frag_len = data_len + hdr_len;
+ memcpy(dl_cmd->data, dst + i, data_len);
+ dl_cmd->length = data_len;
+ dl_cmd->type = 32;
+ dl_cmd->start_addr = fw_addr + i;
+ fw_info->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE);
+ fw_info->cmd_hdr->plen = frag_len;
+ fw_info->pkt_len = frag_len + 3;
+ #if 0
+ printk("[%d] data_len %d, src %x, dst %x\n", i, data_len, dst + i, fw_addr + i);
+ printk("%p , %d\n", dl_cmd, fw_info->pkt_len);
+ print_hex_dump(KERN_ERR,"payload:",DUMP_PREFIX_NONE,16,1,dl_cmd->data,32,false);
+ /* Send download command */
+ print_hex_dump(KERN_ERR,"data:",DUMP_PREFIX_NONE,16,1,fw_info->send_pkt,32,false);
+ #endif
+ ret_val = send_hci_cmd(fw_info);
+
+ while (ncmd > 0) {
+ ret_val = rcv_hci_evt(fw_info);
+ printk("rcv_hci_evt %d\n", ret_val);
+ if (ret_val < 0) {
+ AICBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
+ goto out;
+ } else {
+ AICBT_DBG("%s: Receive acked frag num %d", __func__, evt_para->status);
+ ncmd--;
+ }
+ if (0 != evt_para->status) {
+ AICBT_ERR("%s: Receive acked frag num %d, err status %d",
+ __func__, ret_val, evt_para->status);
+ ret_val = -1;
+ goto out;
+ } else {
+ ret_val = 0;
+ }
+ }
+ ncmd = 1;
+ }
+ }
+
+ if (!err && (i < size)) {// <1KB data
+ data_len = size - i;
+ frag_len = data_len + hdr_len;
+ memcpy(dl_cmd->data, dst + i, data_len);
+ dl_cmd->length = data_len;
+ dl_cmd->type = 32;
+ dl_cmd->start_addr = fw_addr + i;
+ fw_info->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE);
+ fw_info->cmd_hdr->plen = frag_len;
+ fw_info->pkt_len = frag_len + 3;
+ ret_val = send_hci_cmd(fw_info);
+ //printk("(%d) data_len %d, src %x, dst %x\n", i, data_len, (dst + i), fw_addr + i);
+ //printk("%p , %d\n", dl_cmd, fw_info->pkt_len);
+ while (ncmd > 0) {
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ AICBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
+ goto out;
+ } else {
+ AICBT_DBG("%s: Receive acked frag num %d", __func__, evt_para->status);
+ ncmd--;
+ }
+ if (0 != evt_para->status) {
+ AICBT_ERR("%s: Receive acked frag num %d, err status %d",
+ __func__, ret_val, evt_para->status);
+ ret_val = -1;
+ goto out;
+ } else {
+ ret_val = 0;
+ }
+ }
+ ncmd = 0;
+ }
+
+out:
+ if (dst) {
+ vfree(dst);
+ dst = NULL;
+ }
+
+ printk("fw download complete\n\n");
+ return ret_val;
+
+}
+
+
+struct aicbt_info_t {
+ uint32_t btmode;
+ uint32_t btport;
+ uint32_t uart_baud;
+ uint32_t uart_flowctrl;
+ uint32_t lpm_enable;
+ uint32_t txpwr_lvl;
+};
+
+struct aicbsp_info_t {
+ int hwinfo;
+ uint32_t cpmode;
+};
+
+enum aicbsp_cpmode_type {
+ AICBSP_CPMODE_WORK,
+ AICBSP_CPMODE_TEST,
+};
+
+/* btmode
+ * used for force bt mode,if not AICBSP_MODE_NULL
+ * efuse valid and vendor_info will be invalid, even has beed set valid
+*/
+enum aicbt_btmode_type {
+ AICBT_BTMODE_BT_ONLY_SW = 0x0, // bt only mode with switch
+ AICBT_BTMODE_BT_WIFI_COMBO, // wifi/bt combo mode
+ AICBT_BTMODE_BT_ONLY, // bt only mode without switch
+ AICBT_BTMODE_BT_ONLY_TEST, // bt only test mode
+ AICBT_BTMODE_BT_WIFI_COMBO_TEST, // wifi/bt combo test mode
+ AICBT_MODE_NULL = 0xFF, // invalid value
+};
+
+enum aicbt_btport_type {
+ AICBT_BTPORT_NULL,
+ AICBT_BTPORT_MB,
+ AICBT_BTPORT_UART,
+};
+
+enum aicbt_uart_baud_type {
+ AICBT_UART_BAUD_115200 = 115200,
+ AICBT_UART_BAUD_921600 = 921600,
+ AICBT_UART_BAUD_1_5M = 1500000,
+ AICBT_UART_BAUD_3_25M = 3250000,
+};
+
+enum aicbt_uart_flowctrl_type {
+ AICBT_UART_FLOWCTRL_DISABLE = 0x0, // uart without flow ctrl
+ AICBT_UART_FLOWCTRL_ENABLE, // uart with flow ctrl
+};
+
+#define AICBSP_HWINFO_DEFAULT (-1)
+#define AICBSP_CPMODE_DEFAULT AICBSP_CPMODE_WORK
+#define AICBT_TXPWR_DFT 0x6F2F
+
+
+#define AICBT_BTMODE_DEFAULT AICBT_BTMODE_BT_WIFI_COMBO
+#define AICBT_BTPORT_DEFAULT AICBT_BTPORT_MB
+#define AICBT_UART_BAUD_DEFAULT AICBT_UART_BAUD_1_5M
+#define AICBT_UART_FC_DEFAULT AICBT_UART_FLOWCTRL_ENABLE
+#define AICBT_LPM_ENABLE_DEFAULT 0
+#define AICBT_TXPWR_LVL_DEFAULT AICBT_TXPWR_DFT
+
+struct aicbsp_info_t aicbsp_info = {
+ .hwinfo = AICBSP_HWINFO_DEFAULT,
+ .cpmode = AICBSP_CPMODE_DEFAULT,
+};
+
+#ifndef CONFIG_USE_FW_REQUEST
+#define FW_PATH_MAX 200
+
+char aic_fw_path[FW_PATH_MAX];
+#if (CONFIG_BLUEDROID == 0)
+static const char* aic_default_fw_path = "/lib/firmware/aic8800DC";
+#else
+static const char* aic_default_fw_path = "/vendor/etc/firmware";
+#endif
+#endif //CONFIG_USE_FW_REQUEST
+
+static struct aicbt_info_t aicbt_info = {
+ .btmode = AICBT_BTMODE_DEFAULT,
+ .btport = AICBT_BTPORT_DEFAULT,
+ .uart_baud = AICBT_UART_BAUD_DEFAULT,
+ .uart_flowctrl = AICBT_UART_FC_DEFAULT,
+ .lpm_enable = AICBT_LPM_ENABLE_DEFAULT,
+ .txpwr_lvl = AICBT_TXPWR_LVL_DEFAULT,
+};
+
+int patch_table_load(firmware_info *fw_info, struct aicbt_patch_table *_head)
+{
+ struct aicbt_patch_table *head, *p;
+ int i;
+ uint32_t *data = NULL;
+ struct aicbt_patch_table_cmd *patch_table_cmd = (struct aicbt_patch_table_cmd *)(fw_info->req_para);
+ struct fw_status *evt_para;
+ int ret_val = 0;
+ int ncmd = 1;
+ uint32_t len = 0;
+ uint32_t tot_len = 0;
+ head = _head;
+ for (p = head; p != NULL; p = p->next) {
+ data = p->data;
+ if(AICBT_PT_BTMODE == p->type){
+ *(data + 1) = aicbsp_info.hwinfo < 0;
+ *(data + 3) = aicbsp_info.hwinfo;
+ *(data + 5) = aicbsp_info.cpmode;
+
+ *(data + 7) = aicbt_info.btmode;
+ *(data + 9) = aicbt_info.btport;
+ *(data + 11) = aicbt_info.uart_baud;
+ *(data + 13) = aicbt_info.uart_flowctrl;
+ *(data + 15) = aicbt_info.lpm_enable;
+ *(data + 17) = aicbt_info.txpwr_lvl;
+
+ }
+ if (p->type == AICBT_PT_NULL || p->type == AICBT_PT_PWRON) {
+ continue;
+ }
+ if (p->type == AICBT_PT_VER) {
+ char *data_s = (char *)p->data;
+ printk("patch version %s\n", data_s);
+ continue;
+ }
+ if (p->len == 0) {
+ printk("len is 0\n");
+ continue;
+ }
+ tot_len = p->len;
+ while (tot_len) {
+ if (tot_len > HCI_PT_MAX_LEN) {
+ len = HCI_PT_MAX_LEN;
+ } else {
+ len = tot_len;
+ }
+ for (i = 0; i < len; i++) {
+ patch_table_cmd->patch_num = len;
+ memcpy(&patch_table_cmd->patch_table_addr[i], data, sizeof(uint32_t));
+ memcpy(&patch_table_cmd->patch_table_data[i], data + 1, sizeof(uint32_t));
+ printk("[%d] data: %08x %08x\n", i, patch_table_cmd->patch_table_addr[i],patch_table_cmd->patch_table_data[i]);
+ data += 2;
+ }
+ tot_len -= len;
+ evt_para = (struct fw_status *)fw_info->rsp_para;
+ //print_hex_dump(KERN_ERR,"data0:",DUMP_PREFIX_NONE,16,1,patch_table_cmd,sizeof(struct aicbt_patch_table_cmd),false);
+
+ //printk("patch num %x %d\n", patch_table_cmd->patch_num, sizeof(struct aicbt_patch_table_cmd));
+ fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VSC_UPDATE_PT_CMD);
+ fw_info->cmd_hdr->plen = HCI_VSC_UPDATE_PT_SIZE;
+ fw_info->pkt_len = fw_info->cmd_hdr->plen + 3;
+ AICBT_DBG("patch num 0x%x, plen 0x%x\n", patch_table_cmd->patch_num, fw_info->cmd_hdr->plen );
+ //print_hex_dump(KERN_ERR,"patch table:",DUMP_PREFIX_NONE,16,1,fw_info->send_pkt,32,false);
+ ret_val = send_hci_cmd(fw_info);
+ while (ncmd > 0) {
+ ret_val = rcv_hci_evt(fw_info);
+ if (ret_val < 0) {
+ AICBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val);
+ goto out;
+ } else {
+ AICBT_DBG("%s: Receive acked frag num %d", __func__, evt_para->status);
+ ncmd--;
+ }
+ if (0 != evt_para->status) {
+ AICBT_ERR("%s: Receive acked frag num %d, err status %d",
+ __func__, ret_val, evt_para->status);
+ ret_val = -1;
+ goto out;
+ }
+ }
+ ncmd = 1;
+ }
+ }
+out:
+ aicbt_patch_table_free(&head);
+ return ret_val;
+}
+
+int aic_load_firmware(u8 ** fw_buf, const char *name, struct device *device)
+{
+
+#ifdef CONFIG_USE_FW_REQUEST
+ const struct firmware *fw = NULL;
+ u32 *dst = NULL;
+ void *buffer=NULL;
+ int size = 0;
+ int ret = 0;
+
+ printk("%s: request firmware = %s \n", __func__ ,name);
+
+
+ ret = request_firmware(&fw, name, NULL);
+
+ if (ret < 0) {
+ printk("Load %s fail\n", name);
+ release_firmware(fw);
+ return -1;
+ }
+
+ size = fw->size;
+ dst = (u32 *)fw->data;
+
+ if (size <= 0) {
+ printk("wrong size of firmware file\n");
+ release_firmware(fw);
+ return -1;
+ }
+
+
+ buffer = vmalloc(size);
+ memset(buffer, 0, size);
+ memcpy(buffer, dst, size);
+
+ *fw_buf = buffer;
+
+ release_firmware(fw);
+
+ return size;
+
+#else
+ u8 *buffer=NULL;
+ char *path=NULL;
+ struct file *fp=NULL;
+ int size = 0, len=0;
+ ssize_t rdlen=0;
+
+ /* get the firmware path */
+ path = __getname();
+ if (!path){
+ *fw_buf=NULL;
+ return -1;
+ }
+
+ if (strlen(aic_fw_path) > 0) {
+ printk("%s: use customer define fw_path\n", __func__);
+ len = snprintf(path, FW_PATH_MAX, "%s/%s", aic_fw_path, name);
+ } else {
+ len = snprintf(path, FW_PATH_MAX, "%s/%s",aic_default_fw_path, name);
+ }
+
+ if (len >= FW_PATH_MAX) {
+ printk("%s: %s file's path too long\n", __func__, name);
+ *fw_buf=NULL;
+ __putname(path);
+ return -1;
+ }
+
+ printk("%s :firmware path = %s \n", __func__ ,path);
+
+
+ /* open the firmware file */
+ fp=filp_open(path, O_RDONLY, 0);
+ if(IS_ERR(fp) || (!fp)){
+ printk("%s: %s file failed to open\n", __func__, name);
+ if(IS_ERR(fp))
+ printk("is_Err\n");
+ if((!fp))
+ printk("null\n");
+ *fw_buf=NULL;
+ __putname(path);
+ fp=NULL;
+ return -1;
+ }
+
+ size = i_size_read(file_inode(fp));
+ if(size<=0){
+ printk("%s: %s file size invalid %d\n", __func__, name, size);
+ *fw_buf=NULL;
+ __putname(path);
+ filp_close(fp,NULL);
+ fp=NULL;
+ return -1;
+}
+
+ /* start to read from firmware file */
+ buffer = vmalloc(size);
+ memset(buffer, 0, size);
+ if(!buffer){
+ *fw_buf=NULL;
+ __putname(path);
+ filp_close(fp,NULL);
+ fp=NULL;
+ return -1;
+ }
+
+
+ #if LINUX_VERSION_CODE > KERNEL_VERSION(4, 13, 16)
+ rdlen = kernel_read(fp, buffer, size, &fp->f_pos);
+ #else
+ rdlen = kernel_read(fp, fp->f_pos, buffer, size);
+ #endif
+
+ if(size != rdlen){
+ printk("%s: %s file rdlen invalid %d %d\n", __func__, name, (int)rdlen, size);
+ *fw_buf=NULL;
+ __putname(path);
+ filp_close(fp,NULL);
+ fp=NULL;
+ vfree(buffer);
+ buffer=NULL;
+ return -1;
+ }
+ if(rdlen > 0){
+ fp->f_pos += rdlen;
+ //printk("f_pos=%d\n", (int)fp->f_pos);
+ }
+ *fw_buf = buffer;
+
+#if 0
+ MD5Init(&md5);
+ MD5Update(&md5, (unsigned char *)dst, size);
+ MD5Final(&md5, decrypt);
+
+ printk(MD5PINRT, MD5(decrypt));
+
+#endif
+ return size;
+#endif
+}
+
+int aicbt_patch_table_free(struct aicbt_patch_table **head)
+{
+ struct aicbt_patch_table *p = *head, *n = NULL;
+ while (p) {
+ n = p->next;
+ kfree(p->name);
+ kfree(p->data);
+ kfree(p);
+ p = n;
+ }
+ *head = NULL;
+ return 0;
+}
+
+int get_patch_addr_from_patch_table(firmware_info *fw_info, char *filename, uint32_t *fw_patch_base_addr)
+{
+ int size;
+ int ret = 0;
+ uint8_t *rawdata=NULL;
+ uint8_t *p = NULL;
+ uint32_t *data = NULL;
+ uint32_t type = 0, len = 0;
+ int j;
+
+ /* load aic firmware */
+ size = aic_load_firmware((u8 **)&rawdata, filename, NULL);
+
+ /* Copy the file on the Embedded side */
+ printk("### Upload %s fw_patch_table, size=%d\n", filename, size);
+
+ if (size <= 0) {
+ printk("wrong size of firmware file\n");
+ ret = -1;
+ goto err;
+ }
+
+ p = rawdata;
+
+ if (memcmp(p, AICBT_PT_TAG, sizeof(AICBT_PT_TAG) < 16 ? sizeof(AICBT_PT_TAG) : 16)) {
+ printk("TAG err\n");
+ ret = -1;
+ goto err;
+ }
+ p += 16;
+
+ while (p - rawdata < size) {
+ printk("size = %d p - rawdata = 0x%0lx \r\n", size, p - rawdata);
+ p += 16;
+
+ type = *(uint32_t *)p;
+ p += 4;
+
+ len = *(uint32_t *)p;
+ p += 4;
+ printk("cur->type %x, len %d\n", type, len);
+
+ if(type >= 1000 ) {//Temp Workaround
+ len = 0;
+ }else{
+ data = (uint32_t *)p;
+ if (type == AICBT_PT_NULL) {
+ *(fw_patch_base_addr) = *(data + 3);
+ printk("addr found %x\n", *(fw_patch_base_addr));
+ for (j = 0; j < len; j++) {
+ printk("addr %x\n", *(data+j));
+ }
+ break;
+ }
+ p += len * 8;
+ }
+ }
+
+ vfree(rawdata);
+ return ret;
+err:
+ //aicbt_patch_table_free(&head);
+
+ if (rawdata){
+ vfree(rawdata);
+ }
+ return ret;
+}
+
+
+
+int patch_table_download(firmware_info *fw_info, char *filename)
+{
+ struct aicbt_patch_table *head = NULL;
+ struct aicbt_patch_table *new = NULL;
+ struct aicbt_patch_table *cur = NULL;
+ int size;
+ int ret = 0;
+ uint8_t *rawdata=NULL;
+ uint8_t *p = NULL;
+
+ /* load aic firmware */
+ size = aic_load_firmware((u8 **)&rawdata, filename, NULL);
+
+ /* Copy the file on the Embedded side */
+ printk("### Upload %s fw_patch_table, size=%d\n", filename, size);
+
+ if (size <= 0) {
+ printk("wrong size of firmware file\n");
+ ret = -1;
+ goto err;
+ }
+
+ p = rawdata;
+
+ if (memcmp(p, AICBT_PT_TAG, sizeof(AICBT_PT_TAG) < 16 ? sizeof(AICBT_PT_TAG) : 16)) {
+ printk("TAG err\n");
+ ret = -1;
+ goto err;
+ }
+ p += 16;
+
+ while (p - rawdata < size) {
+ printk("size = %d p - rawdata = 0x%0lx \r\n", size, p - rawdata);
+ new = (struct aicbt_patch_table *)kmalloc(sizeof(struct aicbt_patch_table), GFP_KERNEL);
+ memset(new, 0, sizeof(struct aicbt_patch_table));
+ if (head == NULL) {
+ head = new;
+ cur = new;
+ } else {
+ cur->next = new;
+ cur = cur->next;
+ }
+
+ cur->name = (char *)kmalloc(sizeof(char) * 16, GFP_KERNEL);
+ memset(cur->name, 0, sizeof(char) * 16);
+ memcpy(cur->name, p, 16);
+ p += 16;
+
+ cur->type = *(uint32_t *)p;
+ p += 4;
+
+ cur->len = *(uint32_t *)p;
+ p += 4;
+ printk("cur->type %x, len %d\n", cur->type, cur->len);
+
+ if((cur->type ) >= 1000 ) {//Temp Workaround
+ cur->len = 0;
+ }else{
+ cur->data = (uint32_t *)kmalloc(sizeof(uint8_t) * cur->len * 8, GFP_KERNEL);
+ memset(cur->data, 0, sizeof(uint8_t) * cur->len * 8);
+ memcpy(cur->data, p, cur->len * 8);
+ p += cur->len * 8;
+ }
+ }
+
+ vfree(rawdata);
+ patch_table_load(fw_info, head);
+ printk("fw_patch_table download complete\n\n");
+
+ return ret;
+err:
+ //aicbt_patch_table_free(&head);
+
+ if (rawdata){
+ vfree(rawdata);
+ }
+ return ret;
+}
+
+
+int download_patch(firmware_info *fw_info, int cached)
+{
+ int ret_val = 0;
+
+ printk("%s: Download fw patch start, cached %d", __func__, cached);
+
+ if (!fw_info) {
+ printk("%s: No patch entry exists(fw_info %p)", __func__, fw_info);
+ ret_val = -1;
+ goto end;
+ }
+
+ ret_val = fw_config(fw_info);
+ if (ret_val) {
+ printk("%s: fw config failed %d", __func__, ret_val);
+ goto free;
+ }
+
+ ret_val = system_config(fw_info);
+ if (ret_val)
+ {
+ printk("%s: system config failed %d", __func__, ret_val);
+ goto free;
+ }
+
+ /*
+ * step1: check firmware statis
+ * step2: download firmware if updated
+ */
+
+
+ ret_val = check_fw_status(fw_info);
+
+
+ if (ret_val) {
+ #if 0
+ ret_val = download_data(fw_info, FW_RAM_ADID_BASE_ADDR, FW_ADID_BASE_NAME);
+ if (ret_val) {
+ printk("aic load adid fail %d\n", ret_val);
+ goto free;
+ }
+ #endif
+ if (sub_chip_id == 0) {
+ ret_val= download_data(fw_info, FW_RAM_PATCH_BASE_ADDR, FW_PATCH_BASE_NAME);
+ if (ret_val) {
+ printk("aic load patch fail %d\n", ret_val);
+ goto free;
+ }
+
+ ret_val= patch_table_download(fw_info, FW_PATCH_TABLE_NAME);
+ if (ret_val) {
+ printk("aic load patch ftable ail %d\n", ret_val);
+ goto free;
+ }
+ } else if (sub_chip_id == 1) {
+ uint32_t fw_ram_patch_base_addr = FW_RAM_PATCH_BASE_ADDR;
+
+ ret_val = get_patch_addr_from_patch_table(fw_info, FW_PATCH_TABLE_NAME_U02, &fw_ram_patch_base_addr);
+ if (ret_val)
+ {
+ printk("aic get patch addr fail %d\n", ret_val);
+ goto free;
+ }
+ printk("%s %x\n", __func__, fw_ram_patch_base_addr);
+ ret_val = download_data(fw_info, fw_ram_patch_base_addr, FW_PATCH_BASE_NAME_U02);
+ if (ret_val)
+ {
+ printk("aic load patch fail %d\n", ret_val);
+ goto free;
+ }
+
+ ret_val = patch_table_download(fw_info, FW_PATCH_TABLE_NAME_U02);
+ if (ret_val)
+ {
+ printk("aic load patch ftable ail %d\n", ret_val);
+ goto free;
+ }
+ } else if (sub_chip_id == 2) {
+ uint32_t fw_ram_patch_base_addr = FW_RAM_PATCH_BASE_ADDR;
+
+ ret_val = get_patch_addr_from_patch_table(fw_info, FW_PATCH_TABLE_NAME_U02H, &fw_ram_patch_base_addr);
+ if (ret_val)
+ {
+ printk("aic get patch addr fail %d\n", ret_val);
+ goto free;
+ }
+ printk("U02H %s %x\n", __func__, fw_ram_patch_base_addr);
+ ret_val = download_data(fw_info, fw_ram_patch_base_addr, FW_PATCH_BASE_NAME_U02H);
+ if (ret_val)
+ {
+ printk("aic load patch fail %d\n", ret_val);
+ goto free;
+ }
+
+ ret_val = patch_table_download(fw_info, FW_PATCH_TABLE_NAME_U02H);
+ if (ret_val)
+ {
+ printk("aic load patch ftable ail %d\n", ret_val);
+ goto free;
+ }
+ } else {
+ printk("%s unsupported sub_chip_id %x\n", __func__, sub_chip_id);
+ }
+ }
+
+free:
+ /* Free fw data after download finished */
+ kfree(fw_info->fw_data);
+ fw_info->fw_data = NULL;
+
+end:
+ return ret_val;
+}
+
+//for 8800dc end
+
+firmware_info *firmware_info_init(struct usb_interface *intf)
+{
+ struct usb_device *udev = interface_to_usbdev(intf);
+ firmware_info *fw_info;
+
+ AICBT_DBG("%s: start", __func__);
+
+ fw_info = kzalloc(sizeof(*fw_info), GFP_KERNEL);
+ if (!fw_info)
+ return NULL;
+
+ fw_info->send_pkt = kzalloc(SEND_PKT_LEN, GFP_KERNEL);
+ if (!fw_info->send_pkt) {
+ kfree(fw_info);
+ return NULL;
+ }
+
+ fw_info->rcv_pkt = kzalloc(RCV_PKT_LEN, GFP_KERNEL);
+ if (!fw_info->rcv_pkt) {
+ kfree(fw_info->send_pkt);
+ kfree(fw_info);
+ return NULL;
+ }
+
+ fw_info->intf = intf;
+ fw_info->udev = udev;
+if(g_chipid == PRODUCT_ID_AIC8801 || g_chipid == PRODUCT_ID_AIC8800D80){
+ fw_info->pipe_in = usb_rcvbulkpipe(fw_info->udev, BULK_EP);
+ fw_info->pipe_out = usb_rcvbulkpipe(fw_info->udev, CTRL_EP);
+}else if(g_chipid == PRODUCT_ID_AIC8800DC){
+ 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 BTUSB_RPM
+ AICBT_INFO("%s: Auto suspend is enabled", __func__);
+ usb_enable_autosuspend(udev);
+ pm_runtime_set_autosuspend_delay(&(udev->dev), 2000);
+#else
+ AICBT_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);
+
+
+}
+
+static struct usb_driver btusb_driver;
+
+static struct usb_device_id btusb_table[] = {
+ #if 0
+ { .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
+ USB_DEVICE_ID_MATCH_INT_INFO,
+ .idVendor = 0xa69d,
+ .bInterfaceClass = 0xe0,
+ .bInterfaceSubClass = 0x01,
+ .bInterfaceProtocol = 0x01 },
+ #endif
+ {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_AIC, USB_PRODUCT_ID_AIC8801, 0xe0, 0x01,0x01)},
+ {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_AIC, USB_PRODUCT_ID_AIC8800D80, 0xe0, 0x01,0x01)},
+ {USB_DEVICE_AND_INTERFACE_INFO(USB_VENDOR_ID_AIC, USB_PRODUCT_ID_AIC8800DC, 0xe0, 0x01,0x01)},
+ {}
+};
+
+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;
+ u8 air_mode = 0;
+ struct hci_dev *hdev = urb->context;
+#ifdef CONFIG_SCO_OVER_HCI
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ AIC_sco_card_t *pSCOSnd = data->pSCOSnd;
+#endif
+
+ switch (*opcode) {
+ case HCI_EV_SYNC_CONN_COMPLETE:
+ AICBT_INFO("%s: HCI_EV_SYNC_CONN_COMPLETE(0x%02x)", __func__, *opcode);
+ status = *(opcode + 2);
+ sco_handle = *(opcode + 3) | *(opcode + 4) << 8;
+ air_mode = *(opcode + 18);
+ printk("%s status:%d,air_mode:%d \r\n", __func__, status,air_mode);
+ if (status == 0) {
+ hdev->conn_hash.sco_num++;
+ hdev->notify(hdev, 0);
+ //schedule_work(&data->work);
+ if (air_mode == 0x03) {
+ set_select_msbc(CODEC_MSBC);
+ }
+ }
+ break;
+ case HCI_EV_DISCONN_COMPLETE:
+ AICBT_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--;
+ hdev->notify(hdev, 0);
+ set_select_msbc(CODEC_CVSD);
+ //schedule_work(&data->work);
+#ifdef CONFIG_SCO_OVER_HCI
+ if (test_bit(ALSA_CAPTURE_RUNNING, &pSCOSnd->states)) {
+ mod_timer(&snd_cap_timer.cap_timer,jiffies + msecs_to_jiffies(3));
+ }
+#endif
+ }
+ break;
+ default:
+ AICBT_DBG("%s: event 0x%02x", __func__, *opcode);
+ break;
+ }
+}
+
+#if (CONFIG_BLUEDROID == 0)
+#if HCI_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)
+static inline void btusb_free_frags(struct btusb_data *data)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&data->rxlock, flags);
+
+ kfree_skb(data->evt_skb);
+ data->evt_skb = NULL;
+
+ kfree_skb(data->acl_skb);
+ data->acl_skb = NULL;
+
+ kfree_skb(data->sco_skb);
+ data->sco_skb = NULL;
+
+ spin_unlock_irqrestore(&data->rxlock, flags);
+}
+
+static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
+{
+ struct sk_buff *skb;
+ int err = 0;
+
+ spin_lock(&data->rxlock);
+ skb = data->evt_skb;
+ //printk("%s count %d\n", __func__, count);
+
+#if 1
+ while (count) {
+ int len;
+
+ if (!skb) {
+ skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
+ if (!skb) {
+ err = -ENOMEM;
+ break;
+ }
+
+ bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
+ bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE;
+ }
+
+ len = min_t(uint, bt_cb(skb)->expect, count);
+ memcpy(skb_put(skb, len), buffer, len);
+
+ count -= len;
+ buffer += len;
+ bt_cb(skb)->expect -= len;
+
+ if (skb->len == HCI_EVENT_HDR_SIZE) {
+ /* Complete event header */
+ bt_cb(skb)->expect = hci_event_hdr(skb)->plen;
+
+ if (skb_tailroom(skb) < bt_cb(skb)->expect) {
+ kfree_skb(skb);
+ skb = NULL;
+
+ err = -EILSEQ;
+ break;
+ }
+ }
+
+ if (bt_cb(skb)->expect == 0) {
+ /* Complete frame */
+ hci_recv_frame(data->hdev, skb);
+ skb = NULL;
+ }
+ }
+#endif
+
+ data->evt_skb = skb;
+ spin_unlock(&data->rxlock);
+
+ return err;
+}
+
+static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
+{
+ struct sk_buff *skb;
+ int err = 0;
+
+ spin_lock(&data->rxlock);
+ skb = data->acl_skb;
+
+ while (count) {
+ int len;
+
+ if (!skb) {
+ skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
+ if (!skb) {
+ err = -ENOMEM;
+ break;
+ }
+
+ bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
+ bt_cb(skb)->expect = HCI_ACL_HDR_SIZE;
+ }
+
+ len = min_t(uint, bt_cb(skb)->expect, count);
+ memcpy(skb_put(skb, len), buffer, len);
+
+ count -= len;
+ buffer += len;
+ bt_cb(skb)->expect -= len;
+
+ if (skb->len == HCI_ACL_HDR_SIZE) {
+ __le16 dlen = hci_acl_hdr(skb)->dlen;
+
+ /* Complete ACL header */
+ bt_cb(skb)->expect = __le16_to_cpu(dlen);
+
+ if (skb_tailroom(skb) < bt_cb(skb)->expect) {
+ kfree_skb(skb);
+ skb = NULL;
+
+ err = -EILSEQ;
+ break;
+ }
+ }
+
+ if (bt_cb(skb)->expect == 0) {
+ /* Complete frame */
+ hci_recv_frame(data->hdev, skb);
+ skb = NULL;
+ }
+ }
+
+ data->acl_skb = skb;
+ spin_unlock(&data->rxlock);
+
+ return err;
+}
+
+static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
+{
+ struct sk_buff *skb;
+ int err = 0;
+
+ spin_lock(&data->rxlock);
+ skb = data->sco_skb;
+
+ while (count) {
+ int len;
+
+ if (!skb) {
+ skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
+ if (!skb) {
+ err = -ENOMEM;
+ break;
+ }
+
+ bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
+ bt_cb(skb)->expect = HCI_SCO_HDR_SIZE;
+ }
+
+ len = min_t(uint, bt_cb(skb)->expect, count);
+ memcpy(skb_put(skb, len), buffer, len);
+
+ count -= len;
+ buffer += len;
+ bt_cb(skb)->expect -= len;
+
+ if (skb->len == HCI_SCO_HDR_SIZE) {
+ /* Complete SCO header */
+ bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen;
+
+ if (skb_tailroom(skb) < bt_cb(skb)->expect) {
+ kfree_skb(skb);
+ skb = NULL;
+
+ err = -EILSEQ;
+ break;
+ }
+ }
+
+ if (bt_cb(skb)->expect == 0) {
+ /* Complete frame */
+ hci_recv_frame(data->hdev, skb);
+ skb = NULL;
+ }
+ }
+
+ data->sco_skb = skb;
+ spin_unlock(&data->rxlock);
+
+ return err;
+}
+#endif
+#endif // (CONFIG_BLUEDROID == 0)
+
+
+static void btusb_intr_complete(struct urb *urb)
+{
+ struct hci_dev *hdev = urb->context;
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ int err;
+
+ AICBT_DBG("%s: urb %p status %d count %d ", __func__,
+ urb, urb->status, urb->actual_length);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags)) {
+ printk("%s return \n", __func__);
+ return;
+ }
+ if (urb->status == 0) {
+ hdev->stat.byte_rx += urb->actual_length;
+
+#if (CONFIG_BLUEDROID) || (HCI_VERSION_CODE < KERNEL_VERSION(3, 18, 0))
+ if (hci_recv_fragment(hdev, HCI_EVENT_PKT,
+ urb->transfer_buffer,
+ urb->actual_length) < 0) {
+ AICBT_ERR("%s: Corrupted event packet", __func__);
+ hdev->stat.err_rx++;
+ }
+#else
+ if (btusb_recv_intr(data, urb->transfer_buffer,
+ urb->actual_length) < 0) {
+ AICBT_ERR("%s corrupted event packet", hdev->name);
+ hdev->stat.err_rx++;
+ }
+#endif
+
+#ifdef CONFIG_SCO_OVER_HCI
+ check_sco_event(urb);
+#endif
+#ifdef CONFIG_USB_AIC_UART_SCO_DRIVER
+ check_sco_event(urb);
+#endif
+
+ }
+ /* 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) {
+ if (err != -EPERM && err != -ENODEV)
+ AICBT_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;
+ }
+
+ AICBT_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) {
+ AICBT_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;
+
+ AICBT_DBG("%s: urb %p status %d count %d",
+ __func__, urb, urb->status, urb->actual_length);
+
+ if (!test_bit(HCI_RUNNING, &hdev->flags)) {
+ printk("%s HCI_RUNNING\n", __func__);
+ return;
+ }
+ if (urb->status == 0) {
+ hdev->stat.byte_rx += urb->actual_length;
+
+#if (CONFIG_BLUEDROID) || (HCI_VERSION_CODE < KERNEL_VERSION(3, 18, 0))
+ if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT,
+ urb->transfer_buffer,
+ urb->actual_length) < 0) {
+ AICBT_ERR("%s: Corrupted ACL packet", __func__);
+ hdev->stat.err_rx++;
+ }
+#else
+ if (data->recv_bulk(data, urb->transfer_buffer,
+ urb->actual_length) < 0) {
+ AICBT_ERR("%s Corrupted ACL packet", hdev->name);
+ hdev->stat.err_rx++;
+ }
+#endif
+
+ }
+ /* Avoid suspend failed when usb_kill_urb */
+ else if(urb->status == -ENOENT) {
+ printk("%s ENOENT\n", __func__);
+ return;
+ }
+ AICBT_DBG("%s: OUT", __func__);
+
+ if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
+ printk("%s BTUSB_BULK_RUNNING\n", __func__);
+ return;
+ }
+ usb_anchor_urb(urb, &data->bulk_anchor);
+ usb_mark_last_busy(data->udev);
+
+ //printk("LIULI bulk submit\n");
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ /* -EPERM: urb is being killed;
+ * -ENODEV: device got disconnected */
+ if (err != -EPERM && err != -ENODEV)
+ AICBT_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;
+
+ AICBT_DBG("%s: hdev name %s", __func__, hdev->name);
+ AICBT_DBG("%s: mMaxPacketSize %d, bEndpointAddress 0x%02x",
+ __func__, size, data->bulk_rx_ep->bEndpointAddress);
+
+ 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) {
+ AICBT_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;
+ unsigned int total_length = 0;
+
+ AICBT_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;
+ //u8 *data = (u8 *)(urb->transfer_buffer + offset);
+ //AICBT_DBG("%d,%d ,%x,%x,%x s %d.",
+ //offset, length, data[0], data[1],data[2],urb->iso_frame_desc[i].status);
+
+ if(total_length >= urb->actual_length){
+ AICBT_ERR("total_len >= actual_length ,return");
+ break;
+ }
+ total_length += length;
+
+ if (urb->iso_frame_desc[i].status)
+ continue;
+
+ hdev->stat.byte_rx += length;
+ if(length){
+#if (CONFIG_BLUEDROID) || (HCI_VERSION_CODE < KERNEL_VERSION(3, 18, 0))
+ if (hci_recv_fragment(hdev, HCI_SCODATA_PKT,
+ urb->transfer_buffer + offset,
+ length) < 0) {
+ AICBT_ERR("%s: Corrupted SCO packet", __func__);
+ hdev->stat.err_rx++;
+ }
+#else
+ if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
+ length) < 0) {
+ AICBT_ERR("%s corrupted SCO packet",
+ hdev->name);
+ hdev->stat.err_rx++;
+ }
+#endif
+
+ }
+ }
+ }
+ /* 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)
+ AICBT_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;
+
+ AICBT_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;
+ int interval;
+
+ if (!data->isoc_rx_ep)
+ return -ENODEV;
+ AICBT_DBG("%s: mMaxPacketSize %d, bEndpointAddress 0x%02x",
+ __func__, size, data->isoc_rx_ep->bEndpointAddress);
+
+ 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;
+ if (urb->dev->speed == USB_SPEED_HIGH || urb->dev->speed >= USB_SPEED_SUPER) {
+ /* make sure interval is within allowed range */
+ interval = clamp((int)data->isoc_rx_ep->bInterval, 1, 16);
+ urb->interval = 1 << (interval - 1);
+ } else {
+ urb->interval = data->isoc_rx_ep->bInterval;
+ }
+
+ AICBT_INFO("urb->interval %d \r\n", urb->interval);
+
+ 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) {
+ AICBT_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;
+
+ AICBT_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
+ AICBT_ERR("%s: skb 0x%p hdev 0x%p", __func__, skb, hdev);
+
+done:
+ kfree(urb->setup_packet);
+
+ kfree_skb(skb);
+}
+
+#if (CONFIG_BLUEDROID == 0)
+#if LINUX_VERSION_CODE > KERNEL_VERSION(4, 0, 9)
+static int btusb_shutdown(struct hci_dev *hdev)
+{
+ struct sk_buff *skb;
+ printk("aic %s\n", __func__);
+
+ skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
+ if (IS_ERR(skb)) {
+ printk("HCI reset during shutdown failed\n");
+ return PTR_ERR(skb);
+ }
+ kfree_skb(skb);
+
+ return 0;
+}
+#endif
+#endif //(CONFIG_BLUEDROID == 0)
+
+static int btusb_open(struct hci_dev *hdev)
+{
+ struct btusb_data *data = GET_DRV_DATA(hdev);
+ int err = 0;
+
+ AICBT_INFO("%s: Start", __func__);
+
+ err = usb_autopm_get_interface(data->intf);
+ if (err < 0)
+ return err;
+
+ data->intf->needs_remote_wakeup = 1;
+
+#if (CONFIG_BLUEDROID == 0)
+ //err = download_patch(data->fw_info,1);
+ printk(" download_patch %d", err);
+ if (err < 0) {
+ goto failed;
+ }
+#endif
+
+
+ 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);
+ AICBT_INFO("%s: End", __func__);
+ return 0;
+
+failed:
+ clear_bit(BTUSB_INTR_RUNNING, &data->flags);
+ clear_bit(HCI_RUNNING, &hdev->flags);
+ usb_autopm_put_interface(data->intf);
+ AICBT_ERR("%s: Failed", __func__);
+ 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);
+#if (CONFIG_BLUEDROID) || (HCI_VERSION_CODE < KERNEL_VERSION(4, 1, 0))
+ int i;
+#endif
+ int err;
+
+ AICBT_INFO("%s: hci running %lu", __func__, hdev->flags & HCI_RUNNING);
+
+ if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)){
+ return 0;
+ }
+
+ if (!test_and_clear_bit(BTUSB_INTR_RUNNING, &data->flags)){
+ return 0;
+ }
+
+#if (CONFIG_BLUEDROID) || (HCI_VERSION_CODE < KERNEL_VERSION(4, 1, 0))
+ for (i = 0; i < NUM_REASSEMBLY; i++) {
+ if (hdev->reassembly[i]) {
+ AICBT_DBG("%s: free ressembly[%d]", __func__, i);
+ kfree_skb(hdev->reassembly[i]);
+ hdev->reassembly[i] = NULL;
+ }
+ }
+#endif
+
+ 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);
+
+ AICBT_DBG("%s", __func__);
+
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->tx_anchor);
+
+ return 0;
+}
+
+#ifdef CONFIG_SCO_OVER_HCI
+static void btusb_isoc_snd_tx_complete(struct urb *urb);
+
+static int snd_send_sco_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;
+
+ AICBT_DBG("%s:pkt type %d, packet_len : %d",
+ __func__,bt_cb(skb)->pkt_type, skb->len);
+
+ if (!hdev && !test_bit(HCI_RUNNING, &hdev->flags))
+ return -EBUSY;
+
+ if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) {
+ kfree(skb);
+ return -ENODEV;
+ }
+
+ urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC);
+ if (!urb) {
+ AICBT_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_snd_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++;
+
+ usb_anchor_urb(urb, &data->tx_anchor);
+
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err < 0) {
+ AICBT_ERR("%s: Failed to submit urb %p, pkt type %d, err %d",
+ __func__, urb, bt_cb(skb)->pkt_type, err);
+ kfree(urb->setup_packet);
+ usb_unanchor_urb(urb);
+ } else
+ usb_mark_last_busy(data->udev);
+ usb_free_urb(urb);
+
+ return err;
+
+}
+
+static bool snd_copy_send_sco_data( AIC_sco_card_t *pSCOSnd)
+{
+ struct snd_pcm_runtime *runtime = pSCOSnd->playback.substream->runtime;
+ unsigned int frame_bytes = 2, frames1;
+ const u8 *source;
+
+ snd_pcm_uframes_t period_size = runtime->period_size;
+ int i, count;
+ u8 buffer[period_size * 3];
+ int sco_packet_bytes = pSCOSnd->playback.sco_packet_bytes;
+ struct sk_buff *skb;
+
+ count = frames_to_bytes(runtime, period_size)/sco_packet_bytes;
+ skb = bt_skb_alloc(((sco_packet_bytes + HCI_SCO_HDR_SIZE) * count), GFP_ATOMIC);
+ skb->dev = (void *)hci_dev_get(0);
+ bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
+ skb_put(skb, ((sco_packet_bytes + HCI_SCO_HDR_SIZE) * count));
+ if(!skb)
+ return false;
+
+ AICBT_DBG("%s, buffer_pos:%d sco_handle:%d sco_packet_bytes:%d count:%d", __FUNCTION__, pSCOSnd->playback.buffer_pos, pSCOSnd->usb_data->sco_handle,
+ sco_packet_bytes, count);
+
+ source = runtime->dma_area + pSCOSnd->playback.buffer_pos * frame_bytes;
+
+ if (pSCOSnd->playback.buffer_pos + period_size <= runtime->buffer_size) {
+ memcpy(buffer, source, period_size * frame_bytes);
+ } else {
+ /* wrap around at end of ring buffer */
+ frames1 = runtime->buffer_size - pSCOSnd->playback.buffer_pos;
+ memcpy(buffer, source, frames1 * frame_bytes);
+ memcpy(&buffer[frames1 * frame_bytes],
+ runtime->dma_area, (period_size - frames1) * frame_bytes);
+ }
+
+ pSCOSnd->playback.buffer_pos += period_size;
+ if ( pSCOSnd->playback.buffer_pos >= runtime->buffer_size)
+ pSCOSnd->playback.buffer_pos -= runtime->buffer_size;
+
+ for(i = 0; i < count; i++) {
+ *((__u16 *)(skb->data + i * (sco_packet_bytes + HCI_SCO_HDR_SIZE))) = pSCOSnd->usb_data->sco_handle;
+ *((__u8 *)(skb->data + i*(sco_packet_bytes + HCI_SCO_HDR_SIZE) + 2)) = sco_packet_bytes;
+ memcpy((skb->data + i * (sco_packet_bytes + HCI_SCO_HDR_SIZE) + HCI_SCO_HDR_SIZE),
+ &buffer[sco_packet_bytes * i], sco_packet_bytes);
+ }
+
+ if(test_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states)) {
+ snd_pcm_period_elapsed(pSCOSnd->playback.substream);
+ }
+ snd_send_sco_frame(skb);
+ return true;
+}
+
+static void btusb_isoc_snd_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);
+ AIC_sco_card_t *pSCOSnd = data->pSCOSnd;
+
+ AICBT_DBG("%s: status %d count %d",
+ __func__,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
+ AICBT_ERR("%s: skb 0x%p hdev 0x%p", __func__, skb, hdev);
+
+done:
+ kfree(urb->setup_packet);
+ kfree_skb(skb);
+ if(test_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states)){
+ snd_copy_send_sco_data(pSCOSnd);
+ //schedule_work(&pSCOSnd->send_sco_work);
+ }
+}
+
+static void playback_work(struct work_struct *work)
+{
+ AIC_sco_card_t *pSCOSnd = container_of(work, AIC_sco_card_t, send_sco_work);
+
+ snd_copy_send_sco_data(pSCOSnd);
+}
+
+#endif
+
+#if (CONFIG_BLUEDROID) || (HCI_VERSION_CODE < KERNEL_VERSION(3, 13, 0))
+int btusb_send_frame(struct sk_buff *skb)
+{
+ struct hci_dev *hdev = (struct hci_dev *) skb->dev;
+#else
+int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
+{
+#endif
+ //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 = 0;
+ int retries = 0;
+ u16 *opcode = NULL;
+
+ AICBT_DBG("%s: hdev %p, btusb data %p, pkt type %d",
+ __func__, hdev, data, bt_cb(skb)->pkt_type);
+
+ //printk("aic %d %d\r\n", bt_cb(skb)->pkt_type, skb->len);
+ if (!test_bit(HCI_RUNNING, &hdev->flags))
+ return -EBUSY;
+
+#if (CONFIG_BLUEDROID == 0)
+#if HCI_VERSION_CODE >= KERNEL_VERSION(3, 13, 0)
+ skb->dev = (void *)hdev;
+#endif
+#endif
+
+ 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:
+ if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) {
+ print_command(skb);
+ opcode = (u16*)(skb->data);
+ printk("aic cmd:0x%04x", *opcode);
+ } else {
+ 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) {
+ AICBT_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) {
+ AICBT_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);
+
+ AICBT_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);
+
+ AICBT_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) {
+ AICBT_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) {
+ AICBT_ERR("%s: Invalid SCO descriptors", __func__);
+ return -ENODEV;
+ }
+
+ AICBT_ERR("%s: hdev->reassembly implemant\r\n",
+ __func__);
+
+#if CONFIG_BLUEDROID
+ if(hdev->reassembly[HCI_SCODATA_PKT - 1]) {
+ kfree_skb(hdev->reassembly[HCI_SCODATA_PKT - 1]);
+ hdev->reassembly[HCI_SCODATA_PKT - 1] = NULL;
+ }
+#endif
+ return 0;
+}
+
+static void set_select_msbc(enum CODEC_TYPE type)
+{
+ printk("%s codec type = %d", __func__, (int)type);
+ codec_type = type;
+}
+
+static enum CODEC_TYPE check_select_msbc(void)
+{
+ return codec_type;
+}
+
+#ifdef CONFIG_SCO_OVER_HCI
+static int check_controller_support_msbc( struct usb_device *udev)
+{
+ //fix this in the future,when new card support msbc decode and encode
+ AICBT_INFO("%s:pid = 0x%02x, vid = 0x%02x",__func__,udev->descriptor.idProduct, udev->descriptor.idVendor);
+ switch (udev->descriptor.idProduct) {
+
+ default:
+ return 0;
+ }
+ return 0;
+}
+#endif
+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;
+#ifdef CONFIG_SCO_OVER_HCI
+ AIC_sco_card_t *pSCOSnd = data->pSCOSnd;
+#endif
+ printk("%s data->sco_num:%d \r\n", __func__, data->sco_num);
+
+ 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);
+ printk("%s usb_kill_anchored_urbs after \r\n", __func__);
+ return;
+ }
+
+ set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
+ }
+
+ hdev->voice_setting = 93;
+ AICBT_INFO("%s voice settings = 0x%04x", __func__, hdev->voice_setting);
+ if (!(hdev->voice_setting & 0x0003)) {
+ if(data->sco_num == 1)
+ if(check_select_msbc()) {
+ new_alts = 1;
+ } else {
+ new_alts = 2;
+ }
+ else {
+ AICBT_INFO("%s: we don't support mutiple sco link for cvsd", __func__);
+ return;
+ }
+ } else{
+ if(check_select_msbc()) {
+ if(data->sco_num == 1)
+ new_alts = 1;
+ else {
+ AICBT_INFO("%s: we don't support mutiple sco link for msbc", __func__);
+ return;
+ }
+ } else {
+ new_alts = 2;
+ }
+ }
+ if (data->isoc_altsetting != new_alts) {
+
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ mdelay(URB_CANCELING_DELAY_MS);
+ usb_kill_anchored_urbs(&data->isoc_anchor);
+
+ printk("%s set_isoc_interface in \r\n", __func__);
+ if (set_isoc_interface(hdev, new_alts) < 0)
+ return;
+
+ }
+
+ printk("%s set_isoc_interface out \r\n", __func__);
+
+ if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+ printk("%s btusb_submit_isoc_urb\r\n", __func__);
+ if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+ else
+ btusb_submit_isoc_urb(hdev, GFP_KERNEL);
+ }
+#ifdef CONFIG_SCO_OVER_HCI
+ if(test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
+ set_bit(USB_CAPTURE_RUNNING, &data->pSCOSnd->states);
+ set_bit(USB_PLAYBACK_RUNNING, &data->pSCOSnd->states);
+ }
+ if (test_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states)) {
+ schedule_work(&pSCOSnd->send_sco_work);
+ AICBT_INFO("%s: play_timer restart", __func__);
+ }
+#endif
+ } else {
+ clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
+#ifdef CONFIG_SCO_OVER_HCI
+ clear_bit(USB_CAPTURE_RUNNING, &data->pSCOSnd->states);
+ clear_bit(USB_PLAYBACK_RUNNING, &data->pSCOSnd->states);
+ //AIC_sco_card_t *pSCOSnd = data->pSCOSnd;
+ if (test_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states)) {
+ mod_timer(&snd_cap_timer.play_timer,jiffies + msecs_to_jiffies(30));
+ AICBT_INFO("%s: play_timer start", __func__);
+ }
+#endif
+ 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;
+
+ AICBT_DBG("%s", __func__);
+
+ err = usb_autopm_get_interface(data->intf);
+ if (err < 0)
+ return;
+
+ usb_autopm_put_interface(data->intf);
+}
+
+int bt_pm_notify(struct notifier_block *notifier, ulong pm_event, void *unused)
+{
+ struct btusb_data *data;
+ firmware_info *fw_info;
+ struct usb_device *udev;
+
+ AICBT_INFO("%s: pm event %ld", __func__, pm_event);
+
+ data = container_of(notifier, struct btusb_data, pm_notifier);
+ fw_info = data->fw_info;
+ 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 */
+ AICBT_WARN("%s: Failed to load firmware", __func__);
+ }
+#endif
+ if (!device_may_wakeup(&udev->dev)) {
+#if (CONFIG_RESET_RESUME || CONFIG_BLUEDROID)
+ AICBT_INFO("%s:remote wakeup not supported, reset resume supported", __func__);
+#else
+ fw_info->intf->needs_binding = 1;
+ AICBT_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;
+ struct usb_device *udev;
+
+ AICBT_INFO("%s: pm event %ld", __func__, pm_event);
+
+ data = container_of(notifier, struct btusb_data, reboot_notifier);
+ fw_info = data->fw_info;
+ udev = fw_info->udev;
+
+ switch (pm_event) {
+ case SYS_DOWN:
+ AICBT_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
+ AICBT_ERR("%s: Failed to download suspend fw", __func__);
+#endif
+
+#ifdef SET_WAKEUP_DEVICE
+ set_wakeup_device_from_conf(fw_info_4_suspend);
+#endif
+ AICBT_DBG("%s:system halt or power off", __func__);
+ break;
+
+ default:
+ break;
+ }
+
+ return NOTIFY_DONE;
+}
+
+
+#ifdef CONFIG_SCO_OVER_HCI
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
+void aic_snd_capture_timeout(ulong data)
+#else
+void aic_snd_capture_timeout(struct timer_list *t)
+#endif
+{
+ uint8_t null_data[255];
+ struct btusb_data *usb_data;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
+ usb_data = (struct btusb_data *)data;
+#else
+ usb_data = &snd_cap_timer.snd_usb_data;
+#endif
+ aic_copy_capture_data_to_alsa(usb_data, null_data, snd_cap_timer.snd_sco_length/2);
+ //printk("%s enter\r\n", __func__);
+ mod_timer(&snd_cap_timer.cap_timer,jiffies + msecs_to_jiffies(3));
+}
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
+void aic_snd_play_timeout(ulong data)
+#else
+void aic_snd_play_timeout(struct timer_list *t)
+#endif
+{
+ AIC_sco_card_t *pSCOSnd;
+ struct snd_pcm_runtime *runtime;
+ snd_pcm_uframes_t period_size;
+ int count;
+ struct btusb_data *usb_data;
+ int sco_packet_bytes;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
+ usb_data = (struct btusb_data *)data;
+#else
+ usb_data = &snd_cap_timer.snd_usb_data;
+#endif
+ pSCOSnd = usb_data->pSCOSnd;
+
+ if(test_bit(USB_PLAYBACK_RUNNING, &pSCOSnd->states)) {
+ return;
+ }
+
+ if(!test_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states)) {
+ return;
+ }
+
+ runtime = pSCOSnd->playback.substream->runtime;
+ period_size = runtime->period_size;
+ sco_packet_bytes = pSCOSnd->playback.sco_packet_bytes;
+ count = frames_to_bytes(runtime, period_size)/sco_packet_bytes;
+
+ pSCOSnd->playback.buffer_pos += period_size;
+ if ( pSCOSnd->playback.buffer_pos >= runtime->buffer_size)
+ pSCOSnd->playback.buffer_pos -= runtime->buffer_size;
+
+ if(test_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states)) {
+ snd_pcm_period_elapsed(pSCOSnd->playback.substream);
+ }
+ //AICBT_DBG("%s,play_timer restart buffer_pos:%d sco_handle:%d sco_packet_bytes:%d count:%d", __FUNCTION__, pSCOSnd->playback.buffer_pos, pSCOSnd->usb_data->sco_handle,
+ //sco_packet_bytes, count);
+ mod_timer(&snd_cap_timer.play_timer,jiffies + msecs_to_jiffies(3*count));
+}
+
+static const struct snd_pcm_hardware snd_card_sco_capture_default =
+{
+ .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_NONINTERLEAVED |
+ SNDRV_PCM_ACCESS_RW_INTERLEAVED | SNDRV_PCM_INFO_FIFO_IN_FRAMES),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S8,
+ .rates = (SNDRV_PCM_RATE_8000),
+ .rate_min = 8000,
+ .rate_max = 8000,
+ .channels_min = 1,
+ .channels_max = 1,
+ .buffer_bytes_max = 8 * 768,
+ .period_bytes_min = 48,
+ .period_bytes_max = 768,
+ .periods_min = 1,
+ .periods_max = 8,
+ .fifo_size = 8,
+
+};
+
+static int snd_sco_capture_pcm_open(struct snd_pcm_substream * substream)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+
+ AICBT_INFO("%s", __FUNCTION__);
+ pSCOSnd->capture.substream = substream;
+
+ memcpy(&substream->runtime->hw, &snd_card_sco_capture_default, sizeof(struct snd_pcm_hardware));
+ pSCOSnd->capture.buffer_pos = 0;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
+ init_timer(&snd_cap_timer.cap_timer);
+ snd_cap_timer.cap_timer.data = (unsigned long)pSCOSnd->usb_data;
+ snd_cap_timer.cap_timer.function = aic_snd_capture_timeout;
+#else
+ timer_setup(&snd_cap_timer.cap_timer, aic_snd_capture_timeout, 0);
+ snd_cap_timer.snd_usb_data = *(pSCOSnd->usb_data);
+#endif
+
+ if(check_controller_support_msbc(pSCOSnd->dev)) {
+ substream->runtime->hw.rates |= SNDRV_PCM_RATE_16000;
+ substream->runtime->hw.rate_max = 16000;
+ substream->runtime->hw.period_bytes_min = 96;
+ substream->runtime->hw.period_bytes_max = 16 * 96;
+ substream->runtime->hw.buffer_bytes_max = 8 * 16 * 96;
+ }
+ set_bit(ALSA_CAPTURE_OPEN, &pSCOSnd->states);
+ return 0;
+}
+
+static int snd_sco_capture_pcm_close(struct snd_pcm_substream *substream)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+
+ del_timer(&snd_cap_timer.cap_timer);
+ clear_bit(ALSA_CAPTURE_OPEN, &pSCOSnd->states);
+ return 0;
+}
+
+static int snd_sco_capture_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg)
+{
+ AICBT_DBG("%s, cmd = %d", __FUNCTION__, cmd);
+ switch (cmd)
+ {
+ default:
+ return snd_pcm_lib_ioctl(substream, cmd, arg);
+ }
+ return 0;
+}
+
+static int snd_sco_capture_pcm_hw_params(struct snd_pcm_substream * substream, struct snd_pcm_hw_params * hw_params)
+{
+
+ int err;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ err = snd_pcm_lib_alloc_vmalloc_buffer(substream, params_buffer_bytes(hw_params));
+ AICBT_INFO("%s,err : %d, runtime state : %d", __FUNCTION__, err, runtime->status->state);
+ return err;
+}
+
+static int snd_sco_capture_pcm_hw_free(struct snd_pcm_substream * substream)
+{
+ AICBT_DBG("%s", __FUNCTION__);
+ return snd_pcm_lib_free_vmalloc_buffer(substream);;
+}
+
+static int snd_sco_capture_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ AICBT_INFO("%s %d\n", __FUNCTION__, (int)runtime->period_size);
+ if (test_bit(DISCONNECTED, &pSCOSnd->states))
+ return -ENODEV;
+ if (!test_bit(USB_CAPTURE_RUNNING, &pSCOSnd->states))
+ return -EIO;
+
+ if(runtime->rate == 8000) {
+ if(pSCOSnd->usb_data->isoc_altsetting != 2)
+ return -ENOEXEC;
+ pSCOSnd->capture.sco_packet_bytes = 48;
+ }
+ else if(runtime->rate == 16000 && check_controller_support_msbc(pSCOSnd->dev)) {
+ if(pSCOSnd->usb_data->isoc_altsetting != 4)
+ return -ENOEXEC;
+ pSCOSnd->capture.sco_packet_bytes = 96;
+ }
+ else if(pSCOSnd->usb_data->isoc_altsetting == 2) {
+ pSCOSnd->capture.sco_packet_bytes = 48;
+ }
+ else if(pSCOSnd->usb_data->isoc_altsetting == 1) {
+ pSCOSnd->capture.sco_packet_bytes = 24;
+ }
+ return 0;
+}
+
+static int snd_sco_capture_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+ AICBT_INFO("%s, cmd : %d", __FUNCTION__, cmd);
+
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (!test_bit(USB_CAPTURE_RUNNING, &pSCOSnd->states))
+ return -EIO;
+ set_bit(ALSA_CAPTURE_RUNNING, &pSCOSnd->states);
+ return 0;
+ case SNDRV_PCM_TRIGGER_STOP:
+ clear_bit(ALSA_CAPTURE_RUNNING, &pSCOSnd->states);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static snd_pcm_uframes_t snd_sco_capture_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+
+ return pSCOSnd->capture.buffer_pos;
+}
+
+
+static struct snd_pcm_ops snd_sco_capture_pcm_ops = {
+ .open = snd_sco_capture_pcm_open,
+ .close = snd_sco_capture_pcm_close,
+ .ioctl = snd_sco_capture_ioctl,
+ .hw_params = snd_sco_capture_pcm_hw_params,
+ .hw_free = snd_sco_capture_pcm_hw_free,
+ .prepare = snd_sco_capture_pcm_prepare,
+ .trigger = snd_sco_capture_pcm_trigger,
+ .pointer = snd_sco_capture_pcm_pointer,
+};
+
+
+static const struct snd_pcm_hardware snd_card_sco_playback_default =
+{
+ .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_NONINTERLEAVED |
+ SNDRV_PCM_ACCESS_RW_INTERLEAVED | SNDRV_PCM_INFO_FIFO_IN_FRAMES),
+ .formats = SNDRV_PCM_FMTBIT_S16_LE,
+ .rates = (SNDRV_PCM_RATE_8000),
+ .rate_min = 8000,
+ .rate_max = 8000,
+ .channels_min = 1,
+ .channels_max = 1,
+ .buffer_bytes_max = 8 * 768,
+ .period_bytes_min = 48,
+ .period_bytes_max = 768,
+ .periods_min = 1,
+ .periods_max = 8,
+ .fifo_size = 8,
+};
+
+static int snd_sco_playback_pcm_open(struct snd_pcm_substream * substream)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+ int err = 0;
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 15, 0)
+ init_timer(&snd_cap_timer.play_timer);
+ snd_cap_timer.play_timer.data = (unsigned long)pSCOSnd->usb_data;
+ snd_cap_timer.play_timer.function = aic_snd_play_timeout;
+#else
+ timer_setup(&snd_cap_timer.play_timer, aic_snd_play_timeout, 0);
+ snd_cap_timer.snd_usb_data = *(pSCOSnd->usb_data);
+#endif
+ pSCOSnd->playback.buffer_pos = 0;
+
+ AICBT_INFO("%s, rate : %d", __FUNCTION__, substream->runtime->rate);
+ memcpy(&substream->runtime->hw, &snd_card_sco_playback_default, sizeof(struct snd_pcm_hardware));
+ if(check_controller_support_msbc(pSCOSnd->dev)) {
+ substream->runtime->hw.rates |= SNDRV_PCM_RATE_16000;
+ substream->runtime->hw.rate_max = 16000;
+ substream->runtime->hw.period_bytes_min = 96;
+ substream->runtime->hw.period_bytes_max = 16 * 96;
+ substream->runtime->hw.buffer_bytes_max = 8 * 16 * 96;
+ }
+ pSCOSnd->playback.substream = substream;
+ set_bit(ALSA_PLAYBACK_OPEN, &pSCOSnd->states);
+
+ return err;
+}
+
+static int snd_sco_playback_pcm_close(struct snd_pcm_substream *substream)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+
+ del_timer(&snd_cap_timer.play_timer);
+ AICBT_INFO("%s: play_timer delete", __func__);
+ clear_bit(ALSA_PLAYBACK_OPEN, &pSCOSnd->states);
+ cancel_work_sync(&pSCOSnd->send_sco_work);
+ return 0;
+}
+
+static int snd_sco_playback_ioctl(struct snd_pcm_substream *substream, unsigned int cmd, void *arg)
+{
+ AICBT_DBG("%s, cmd : %d", __FUNCTION__, cmd);
+ switch (cmd)
+ {
+ default:
+ return snd_pcm_lib_ioctl(substream, cmd, arg);
+ break;
+ }
+ return 0;
+}
+
+static int snd_sco_playback_pcm_hw_params(struct snd_pcm_substream * substream, struct snd_pcm_hw_params * hw_params)
+{
+ int err;
+ err = snd_pcm_lib_alloc_vmalloc_buffer(substream, params_buffer_bytes(hw_params));
+ return err;
+}
+
+static int snd_sco_palyback_pcm_hw_free(struct snd_pcm_substream * substream)
+{
+ AICBT_DBG("%s", __FUNCTION__);
+ return snd_pcm_lib_free_vmalloc_buffer(substream);
+}
+
+static int snd_sco_playback_pcm_prepare(struct snd_pcm_substream *substream)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+ struct snd_pcm_runtime *runtime = substream->runtime;
+
+ AICBT_INFO("%s, bound_rate = %d", __FUNCTION__, runtime->rate);
+
+ if (test_bit(DISCONNECTED, &pSCOSnd->states))
+ return -ENODEV;
+ if (!test_bit(USB_PLAYBACK_RUNNING, &pSCOSnd->states))
+ return -EIO;
+
+ if(runtime->rate == 8000) {
+ if(pSCOSnd->usb_data->isoc_altsetting != 2)
+ return -ENOEXEC;
+ pSCOSnd->playback.sco_packet_bytes = 48;
+ }
+ else if(runtime->rate == 16000) {
+ if(pSCOSnd->usb_data->isoc_altsetting != 4)
+ return -ENOEXEC;
+ pSCOSnd->playback.sco_packet_bytes = 96;
+ }
+
+ return 0;
+}
+
+static int snd_sco_playback_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+
+ AICBT_INFO("%s, cmd = %d", __FUNCTION__, cmd);
+ switch (cmd) {
+ case SNDRV_PCM_TRIGGER_START:
+ if (!test_bit(USB_PLAYBACK_RUNNING, &pSCOSnd->states))
+ return -EIO;
+ set_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states);
+ schedule_work(&pSCOSnd->send_sco_work);
+#ifdef CONFIG_SCO_OVER_HCI
+ if (!test_bit(USB_PLAYBACK_RUNNING, &pSCOSnd->states)) {
+ AICBT_INFO("%s: play_timer cmd 1 start ", __func__);
+ mod_timer(&snd_cap_timer.play_timer,jiffies + msecs_to_jiffies(3));
+ }
+#endif
+ return 0;
+ case SNDRV_PCM_TRIGGER_STOP:
+ clear_bit(ALSA_PLAYBACK_RUNNING, &pSCOSnd->states);
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static snd_pcm_uframes_t snd_sco_playback_pcm_pointer(struct snd_pcm_substream *substream)
+{
+ AIC_sco_card_t *pSCOSnd = substream->private_data;
+
+ return pSCOSnd->playback.buffer_pos;
+}
+
+
+static struct snd_pcm_ops snd_sco_playback_pcm_ops = {
+ .open = snd_sco_playback_pcm_open,
+ .close = snd_sco_playback_pcm_close,
+ .ioctl = snd_sco_playback_ioctl,
+ .hw_params = snd_sco_playback_pcm_hw_params,
+ .hw_free = snd_sco_palyback_pcm_hw_free,
+ .prepare = snd_sco_playback_pcm_prepare,
+ .trigger = snd_sco_playback_pcm_trigger,
+ .pointer = snd_sco_playback_pcm_pointer,
+};
+
+
+static AIC_sco_card_t* btusb_snd_init(struct usb_interface *intf, const struct usb_device_id *id, struct btusb_data *data)
+{
+ struct snd_card *card;
+ AIC_sco_card_t *pSCOSnd;
+ int err=0;
+ AICBT_INFO("%s", __func__);
+ err = snd_card_new(&intf->dev,
+ -1, AIC_SCO_ID, THIS_MODULE,
+ sizeof(AIC_sco_card_t), &card);
+ if (err < 0) {
+ AICBT_ERR("%s: sco snd card create fail", __func__);
+ return NULL;
+ }
+ // private data
+ pSCOSnd = (AIC_sco_card_t *)card->private_data;
+ pSCOSnd->card = card;
+ pSCOSnd->dev = interface_to_usbdev(intf);
+ pSCOSnd->usb_data = data;
+
+ strcpy(card->driver, AIC_SCO_ID);
+ strcpy(card->shortname, "Aicsemi sco snd");
+ sprintf(card->longname, "Aicsemi sco over hci: VID:0x%04x, PID:0x%04x",
+ id->idVendor, pSCOSnd->dev->descriptor.idProduct);
+
+ err = snd_pcm_new(card, AIC_SCO_ID, 0, 1, 1, &pSCOSnd->pcm);
+ if (err < 0) {
+ AICBT_ERR("%s: sco snd card new pcm fail", __func__);
+ return NULL;
+ }
+ pSCOSnd->pcm->private_data = pSCOSnd;
+ sprintf(pSCOSnd->pcm->name, "sco_pcm:VID:0x%04x, PID:0x%04x",
+ id->idVendor, pSCOSnd->dev->descriptor.idProduct);
+
+ snd_pcm_set_ops(pSCOSnd->pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_sco_playback_pcm_ops);
+ snd_pcm_set_ops(pSCOSnd->pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_sco_capture_pcm_ops);
+
+ err = snd_card_register(card);
+ if (err < 0) {
+ AICBT_ERR("%s: sco snd card register card fail", __func__);
+ return NULL;
+ }
+
+ spin_lock_init(&pSCOSnd->capture_lock);
+ spin_lock_init(&pSCOSnd->playback_lock);
+ INIT_WORK(&pSCOSnd->send_sco_work, playback_work);
+ return pSCOSnd;
+}
+#endif
+
+static int aicwf_usb_chipmatch(u16 vid, u16 pid){
+
+ if(pid == USB_PRODUCT_ID_AIC8801){
+ g_chipid = PRODUCT_ID_AIC8801;
+ printk("%s USE AIC8801\r\n", __func__);
+ return 0;
+ }else if(pid == USB_PRODUCT_ID_AIC8800DC){
+ g_chipid = PRODUCT_ID_AIC8800DC;
+ printk("%s USE AIC8800DC\r\n", __func__);
+ return 0;
+ }else if(pid == USB_PRODUCT_ID_AIC8800D80){
+ g_chipid = PRODUCT_ID_AIC8800D80;
+ printk("%s USE AIC8800D80\r\n", __func__);
+ return 0;
+ }else{
+ return -1;
+ }
+}
+
+
+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;
+ u8 endpoint_num;
+ struct btusb_data *data;
+ struct hci_dev *hdev;
+ firmware_info *fw_info;
+ int i, err=0;
+
+ bt_support = 1;
+
+ AICBT_INFO("%s: usb_interface %p, bInterfaceNumber %d, idVendor 0x%04x, "
+ "idProduct 0x%04x", __func__, intf,
+ intf->cur_altsetting->desc.bInterfaceNumber,
+ id->idVendor, id->idProduct);
+
+ aicwf_usb_chipmatch(id->idVendor, id->idProduct);
+
+ /* interface numbers are hardcoded in the spec */
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return -ENODEV;
+
+ AICBT_DBG("%s: can wakeup = %x, may wakeup = %x", __func__,
+ device_can_wakeup(&udev->dev), device_may_wakeup(&udev->dev));
+
+ data = aic_alloc(intf);
+ if (!data)
+ return -ENOMEM;
+
+ for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
+ ep_desc = &intf->cur_altsetting->endpoint[i].desc;
+
+ endpoint_num = usb_endpoint_num(ep_desc);
+ printk("endpoint num %d\n", endpoint_num);
+
+ 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) {
+ aic_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);
+
+#if (CONFIG_BLUEDROID == 0)
+#if HCI_VERSION_CODE >= KERNEL_VERSION(3, 18, 0)
+ spin_lock_init(&data->rxlock);
+ data->recv_bulk = btusb_recv_bulk;
+#endif
+#endif
+
+
+ fw_info = firmware_info_init(intf);
+ if (fw_info)
+ data->fw_info = fw_info;
+ else {
+ AICBT_WARN("%s: Failed to initialize fw info", __func__);
+ /* Skip download patch */
+ goto end;
+ }
+
+ AICBT_INFO("%s: download begining...", __func__);
+
+#if CONFIG_BLUEDROID
+ mutex_lock(&btchr_mutex);
+#endif
+ if(g_chipid == PRODUCT_ID_AIC8800DC){
+ err = download_patch(data->fw_info,1);
+ }
+
+#if CONFIG_BLUEDROID
+ mutex_unlock(&btchr_mutex);
+#endif
+
+ AICBT_INFO("%s: download ending...", __func__);
+ if (err < 0) {
+ return err;
+ }
+
+
+ hdev = hci_alloc_dev();
+ if (!hdev) {
+ aic_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 (CONFIG_BLUEDROID == 0)
+#if LINUX_VERSION_CODE > KERNEL_VERSION(4, 0, 9)
+ hdev->shutdown = btusb_shutdown;
+#endif
+#endif //(CONFIG_BLUEDROIF == 0)
+
+#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); */
+ AICBT_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;
+ aic_free(data);
+ data = NULL;
+ return err;
+ }
+#ifdef CONFIG_SCO_OVER_HCI
+ data->pSCOSnd = btusb_snd_init(intf, id, data);
+#endif
+ }
+
+ err = hci_register_dev(hdev);
+ if (err < 0) {
+ hci_free_dev(hdev);
+ hdev = NULL;
+ aic_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
+ AICBT_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;
+#if CONFIG_BLUEDROID
+ wait_event_interruptible(bt_dlfw_wait, (check_set_dlfw_state_value(2) == 2));
+#endif
+
+ bt_support = 0;
+
+ AICBT_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 {
+ AICBT_WARN("%s: Failed to get bt usb data[Null]", __func__);
+ return;
+ }
+
+#ifdef CONFIG_SCO_OVER_HCI
+ if (intf->cur_altsetting->desc.bInterfaceNumber == 0) {
+ AIC_sco_card_t *pSCOSnd = data->pSCOSnd;
+ if(!pSCOSnd) {
+ AICBT_ERR("%s: sco private data is null", __func__);
+ return;
+ }
+ set_bit(DISCONNECTED, &pSCOSnd->states);
+ snd_card_disconnect(pSCOSnd->card);
+ snd_card_free_when_closed(pSCOSnd->card);
+ }
+#endif
+
+//#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)) {
+ AICBT_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);
+ aic_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;
+
+ AICBT_INFO("%s: event 0x%x, suspend count %d", __func__,
+ message.event, data->suspend_count);
+
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return 0;
+#if 0
+ if (!test_bit(HCI_RUNNING, &data->hdev->flags))
+ set_bt_onoff(fw_info, 1);
+#endif
+ 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--;
+ AICBT_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);
+
+ 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) {
+ AICBT_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;
+ int err = 0;
+
+ AICBT_INFO("%s: Suspend count %d", __func__, data->suspend_count);
+
+ if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
+ return 0;
+
+ if (--data->suspend_count)
+ return 0;
+
+ #if 0
+ /*check_fw_version to check the status of the BT Controller after USB Resume*/
+ err = check_fw_version(fw_info);
+ if (err !=0)
+ {
+ AICBT_INFO("%s: BT Controller Power OFF And Return hci_hardware_error:%d", __func__, err);
+ hci_hardware_error();
+ }
+ #endif
+
+ AICBT_INFO("%s g_chipid %x\n", __func__, g_chipid);
+ if(g_chipid == PRODUCT_ID_AIC8800DC){
+ if(data->fw_info){
+ err = download_patch(data->fw_info,1);
+ }else{
+ AICBT_WARN("%s: Failed to initialize fw info", __func__);
+ }
+ }
+
+ #if 1
+ 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;
+ }
+ }
+ #endif
+
+ 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 = "aic_btusb",
+ .probe = btusb_probe,
+ .disconnect = btusb_disconnect,
+#ifdef CONFIG_PM
+ .suspend = btusb_suspend,
+ .resume = btusb_resume,
+#if CONFIG_RESET_RESUME
+ .reset_resume = btusb_resume,
+#endif
+#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;
+
+ AICBT_INFO("AICBT_RELEASE_NAME: %s",AICBT_RELEASE_NAME);
+ AICBT_INFO("AicSemi Bluetooth USB driver module init, version %s", VERSION);
+ AICBT_INFO("RELEASE DATE: 2023_0506_1635 \r\n");
+#if CONFIG_BLUEDROID
+ err = btchr_init();
+ if (err < 0) {
+ /* usb register will go on, even bt char register failed */
+ AICBT_ERR("Failed to register usb char device interfaces");
+ } else
+ bt_char_dev_registered = 1;
+#endif
+ err = usb_register(&btusb_driver);
+ if (err < 0)
+ AICBT_ERR("Failed to register aic bluetooth USB driver");
+ return err;
+}
+
+static void __exit btusb_exit(void)
+{
+ AICBT_INFO("AicSemi 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");
+
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 4, 0)
+MODULE_IMPORT_NS(VFS_internal_I_am_really_a_filesystem_and_am_NOT_a_driver);
+#endif
+
+MODULE_AUTHOR("AicSemi Corporation");
+MODULE_DESCRIPTION("AicSemi Bluetooth USB driver version");
+MODULE_VERSION(VERSION);
+MODULE_LICENSE("GPL");
--- /dev/null
+++ b/drivers/bluetooth/aic_btusb/aic_btusb.h
@@ -0,0 +1,753 @@
+/*
+ *
+ * Aic 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/interrupt.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/skbuff.h>
+#include <linux/errno.h>
+#include <linux/usb.h>
+#include <linux/cdev.h>
+#include <linux/device.h>
+#include <linux/poll.h>
+
+#include <linux/version.h>
+#include <linux/pm_runtime.h>
+#include <linux/firmware.h>
+#include <linux/suspend.h>
+
+
+#ifdef CONFIG_PLATFORM_UBUNTU
+#define CONFIG_BLUEDROID 0 /* bleuz 0, bluedroid 1 */
+#else
+#define CONFIG_BLUEDROID 1 /* bleuz 0, bluedroid 1 */
+#endif
+
+
+//#define CONFIG_SCO_OVER_HCI
+#define CONFIG_USB_AIC_UART_SCO_DRIVER
+
+#ifdef CONFIG_SCO_OVER_HCI
+#include <linux/usb/audio.h>
+#include <sound/core.h>
+#include <sound/initval.h>
+#include <sound/pcm.h>
+#include <sound/pcm_params.h>
+
+#define AIC_SCO_ID "snd_sco_aic"
+enum {
+ USB_CAPTURE_RUNNING,
+ USB_PLAYBACK_RUNNING,
+ ALSA_CAPTURE_OPEN,
+ ALSA_PLAYBACK_OPEN,
+ ALSA_CAPTURE_RUNNING,
+ ALSA_PLAYBACK_RUNNING,
+ CAPTURE_URB_COMPLETED,
+ PLAYBACK_URB_COMPLETED,
+ DISCONNECTED,
+};
+
+// AIC sound card
+typedef struct AIC_sco_card {
+ struct snd_card *card;
+ struct snd_pcm *pcm;
+ struct usb_device *dev;
+ struct btusb_data *usb_data;
+ unsigned long states;
+ struct aic_sco_stream {
+ struct snd_pcm_substream *substream;
+ unsigned int sco_packet_bytes;
+ snd_pcm_uframes_t buffer_pos;
+ } capture, playback;
+ spinlock_t capture_lock;
+ spinlock_t playback_lock;
+ struct work_struct send_sco_work;
+} AIC_sco_card_t;
+#endif
+/* Some Android system may use standard Linux kernel, while
+ * standard Linux may also implement early suspend feature.
+ * So exclude earysuspend.h from CONFIG_BLUEDROID.
+ */
+#ifdef CONFIG_HAS_EARLYSUSPEND
+#include <linux/earlysuspend.h>
+#endif
+
+#if CONFIG_BLUEDROID
+#else
+#include <net/bluetooth/bluetooth.h>
+#include <net/bluetooth/hci_core.h>
+#include <net/bluetooth/hci.h>
+#endif
+
+
+/***********************************
+** AicSemi - For aic_btusb driver **
+***********************************/
+#define URB_CANCELING_DELAY_MS 10
+/* when OS suspended, module is still powered,usb is not powered,
+ * this may set to 1, and must comply with special patch code.
+ */
+#define CONFIG_RESET_RESUME 1
+#define PRINT_CMD_EVENT 0
+#define PRINT_ACL_DATA 0
+#define PRINT_SCO_DATA 0
+
+#define AICBT_DBG_FLAG 0
+
+#if AICBT_DBG_FLAG
+#define AICBT_DBG(fmt, arg...) printk( "aic_btusb: " fmt "\n" , ## arg)
+#else
+#define AICBT_DBG(fmt, arg...)
+#endif
+
+#define AICBT_INFO(fmt, arg...) printk("aic_btusb: " fmt "\n" , ## arg)
+#define AICBT_WARN(fmt, arg...) printk("aic_btusb: " fmt "\n" , ## arg)
+#define AICBT_ERR(fmt, arg...) printk("aic_btusb: " fmt "\n" , ## arg)
+
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2, 6, 33)
+#define HDEV_BUS hdev->bus
+#define USB_RPM 1
+#else
+#define HDEV_BUS hdev->type
+#define USB_RPM 0
+#endif
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 38)
+#define NUM_REASSEMBLY 3
+#endif
+
+#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0)
+#define GET_DRV_DATA(x) hci_get_drvdata(x)
+#else
+#define GET_DRV_DATA(x) x->driver_data
+#endif
+
+#define SCO_NUM hdev->conn_hash.sco_num
+
+
+#define BTUSB_RPM (0 * USB_RPM) /* 1 SS enable; 0 SS disable */
+#define BTUSB_WAKEUP_HOST 0 /* 1 enable; 0 disable */
+#define BTUSB_MAX_ISOC_FRAMES 48
+#define BTUSB_INTR_RUNNING 0
+#define BTUSB_BULK_RUNNING 1
+#define BTUSB_ISOC_RUNNING 2
+#define BTUSB_SUSPENDING 3
+#define BTUSB_DID_ISO_RESUME 4
+
+#define HCI_VENDOR_USB_DISC_HARDWARE_ERROR 0xFF
+
+#define HCI_CMD_READ_BD_ADDR 0x1009
+#define HCI_VENDOR_READ_LMP_VERISION 0x1001
+#define HCI_VENDOR_RESET 0x0C03
+
+#define DRV_NORMAL_MODE 0
+#define DRV_MP_MODE 1
+int mp_drv_mode = 0; /* 1 Mptool Fw; 0 Normal Fw */
+
+
+#if CONFIG_BLUEDROID
+#define QUEUE_SIZE 500
+
+/***************************************
+** AicSemi - Integrate from bluetooth.h **
+*****************************************/
+/* Reserv for core and drivers use */
+#define BT_SKB_RESERVE 8
+
+/* BD Address */
+typedef struct {
+ __u8 b[6];
+} __packed bdaddr_t;
+
+/* Skb helpers */
+struct bt_skb_cb {
+ __u8 pkt_type;
+ __u8 incoming;
+ __u16 expect;
+ __u16 tx_seq;
+ __u8 retries;
+ __u8 sar;
+ __u8 force_active;
+};
+
+#define bt_cb(skb) ((struct bt_skb_cb *)((skb)->cb))
+
+static inline struct sk_buff *bt_skb_alloc(unsigned int len, gfp_t how)
+{
+ struct sk_buff *skb;
+
+ if ((skb = alloc_skb(len + BT_SKB_RESERVE, how))) {
+ skb_reserve(skb, BT_SKB_RESERVE);
+ bt_cb(skb)->incoming = 0;
+ }
+ return skb;
+}
+/* AicSemi - Integrate from bluetooth.h end */
+
+/***********************************
+** AicSemi - Integrate from hci.h **
+***********************************/
+#define HCI_MAX_ACL_SIZE 1024
+#define HCI_MAX_SCO_SIZE 255
+#define HCI_MAX_EVENT_SIZE 260
+#define HCI_MAX_FRAME_SIZE (HCI_MAX_ACL_SIZE + 4)
+
+/* HCI bus types */
+#define HCI_VIRTUAL 0
+#define HCI_USB 1
+#define HCI_PCCARD 2
+#define HCI_UART 3
+#define HCI_RS232 4
+#define HCI_PCI 5
+#define HCI_SDIO 6
+
+/* HCI controller types */
+#define HCI_BREDR 0x00
+#define HCI_AMP 0x01
+
+/* HCI device flags */
+enum {
+ HCI_UP,
+ HCI_INIT,
+ HCI_RUNNING,
+
+ HCI_PSCAN,
+ HCI_ISCAN,
+ HCI_AUTH,
+ HCI_ENCRYPT,
+ HCI_INQUIRY,
+
+ HCI_RAW,
+
+ HCI_RESET,
+};
+
+/*
+ * BR/EDR and/or LE controller flags: the flags defined here should represent
+ * states from the controller.
+ */
+enum {
+ HCI_SETUP,
+ HCI_AUTO_OFF,
+ HCI_MGMT,
+ HCI_PAIRABLE,
+ HCI_SERVICE_CACHE,
+ HCI_LINK_KEYS,
+ HCI_DEBUG_KEYS,
+ HCI_UNREGISTER,
+
+ HCI_LE_SCAN,
+ HCI_SSP_ENABLED,
+ HCI_HS_ENABLED,
+ HCI_LE_ENABLED,
+ HCI_CONNECTABLE,
+ HCI_DISCOVERABLE,
+ HCI_LINK_SECURITY,
+ HCI_PENDING_CLASS,
+};
+
+/* HCI data types */
+#define HCI_COMMAND_PKT 0x01
+#define HCI_ACLDATA_PKT 0x02
+#define HCI_SCODATA_PKT 0x03
+#define HCI_EVENT_PKT 0x04
+#define HCI_VENDOR_PKT 0xff
+
+#define HCI_MAX_NAME_LENGTH 248
+#define HCI_MAX_EIR_LENGTH 240
+
+#define HCI_OP_READ_LOCAL_VERSION 0x1001
+struct hci_rp_read_local_version {
+ __u8 status;
+ __u8 hci_ver;
+ __le16 hci_rev;
+ __u8 lmp_ver;
+ __le16 manufacturer;
+ __le16 lmp_subver;
+} __packed;
+
+#define HCI_EV_CMD_COMPLETE 0x0e
+struct hci_ev_cmd_complete {
+ __u8 ncmd;
+ __le16 opcode;
+} __packed;
+
+/* ---- HCI Packet structures ---- */
+#define HCI_COMMAND_HDR_SIZE 3
+#define HCI_EVENT_HDR_SIZE 2
+#define HCI_ACL_HDR_SIZE 4
+#define HCI_SCO_HDR_SIZE 3
+
+struct hci_command_hdr {
+ __le16 opcode; /* OCF & OGF */
+ __u8 plen;
+} __packed;
+
+struct hci_event_hdr {
+ __u8 evt;
+ __u8 plen;
+} __packed;
+
+struct hci_acl_hdr {
+ __le16 handle; /* Handle & Flags(PB, BC) */
+ __le16 dlen;
+} __packed;
+
+struct hci_sco_hdr {
+ __le16 handle;
+ __u8 dlen;
+} __packed;
+
+static inline struct hci_event_hdr *hci_event_hdr(const struct sk_buff *skb)
+{
+ return (struct hci_event_hdr *) skb->data;
+}
+
+static inline struct hci_acl_hdr *hci_acl_hdr(const struct sk_buff *skb)
+{
+ return (struct hci_acl_hdr *) skb->data;
+}
+
+static inline struct hci_sco_hdr *hci_sco_hdr(const struct sk_buff *skb)
+{
+ return (struct hci_sco_hdr *) skb->data;
+}
+
+/* ---- HCI Ioctl requests structures ---- */
+struct hci_dev_stats {
+ __u32 err_rx;
+ __u32 err_tx;
+ __u32 cmd_tx;
+ __u32 evt_rx;
+ __u32 acl_tx;
+ __u32 acl_rx;
+ __u32 sco_tx;
+ __u32 sco_rx;
+ __u32 byte_rx;
+ __u32 byte_tx;
+};
+/* AicSemi - Integrate from hci.h end */
+
+/*****************************************
+** AicSemi - Integrate from hci_core.h **
+*****************************************/
+struct hci_conn_hash {
+ struct list_head list;
+ unsigned int acl_num;
+ unsigned int sco_num;
+ unsigned int le_num;
+};
+
+#define HCI_MAX_SHORT_NAME_LENGTH 10
+
+#define NUM_REASSEMBLY 4
+struct hci_dev {
+ struct mutex lock;
+
+ char name[8];
+ unsigned long flags;
+ __u16 id;
+ __u8 bus;
+ __u8 dev_type;
+
+ struct sk_buff *reassembly[NUM_REASSEMBLY];
+
+ struct hci_conn_hash conn_hash;
+
+ struct hci_dev_stats stat;
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
+ atomic_t refcnt;
+ struct module *owner;
+ void *driver_data;
+#endif
+
+ atomic_t promisc;
+
+ struct device *parent;
+ struct device dev;
+
+ unsigned long dev_flags;
+
+ int (*open)(struct hci_dev *hdev);
+ int (*close)(struct hci_dev *hdev);
+ int (*flush)(struct hci_dev *hdev);
+ int (*send)(struct sk_buff *skb);
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
+ void (*destruct)(struct hci_dev *hdev);
+#endif
+#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 1)
+ __u16 voice_setting;
+#endif
+ void (*notify)(struct hci_dev *hdev, unsigned int evt);
+ int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg);
+ u8 *align_data;
+};
+
+#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0)
+static inline struct hci_dev *__hci_dev_hold(struct hci_dev *d)
+{
+ atomic_inc(&d->refcnt);
+ return d;
+}
+
+static inline void __hci_dev_put(struct hci_dev *d)
+{
+ if (atomic_dec_and_test(&d->refcnt))
+ d->destruct(d);
+}
+#endif
+
+static inline void *hci_get_drvdata(struct hci_dev *hdev)
+{
+ return dev_get_drvdata(&hdev->dev);
+}
+
+static inline void hci_set_drvdata(struct hci_dev *hdev, void *data)
+{
+ dev_set_drvdata(&hdev->dev, data);
+}
+
+#define SET_HCIDEV_DEV(hdev, pdev) ((hdev)->parent = (pdev))
+/* AicSemi - Integrate from hci_core.h end */
+
+/* ----- HCI Commands ---- */
+#define HCI_OP_INQUIRY 0x0401
+#define HCI_OP_INQUIRY_CANCEL 0x0402
+#define HCI_OP_EXIT_PERIODIC_INQ 0x0404
+#define HCI_OP_CREATE_CONN 0x0405
+#define HCI_OP_DISCONNECT 0x0406
+#define HCI_OP_ADD_SCO 0x0407
+#define HCI_OP_CREATE_CONN_CANCEL 0x0408
+#define HCI_OP_ACCEPT_CONN_REQ 0x0409
+#define HCI_OP_REJECT_CONN_REQ 0x040a
+#define HCI_OP_LINK_KEY_REPLY 0x040b
+#define HCI_OP_LINK_KEY_NEG_REPLY 0x040c
+#define HCI_OP_PIN_CODE_REPLY 0x040d
+#define HCI_OP_PIN_CODE_NEG_REPLY 0x040e
+#define HCI_OP_CHANGE_CONN_PTYPE 0x040f
+#define HCI_OP_AUTH_REQUESTED 0x0411
+#define HCI_OP_SET_CONN_ENCRYPT 0x0413
+#define HCI_OP_CHANGE_CONN_LINK_KEY 0x0415
+#define HCI_OP_REMOTE_NAME_REQ 0x0419
+#define HCI_OP_REMOTE_NAME_REQ_CANCEL 0x041a
+#define HCI_OP_READ_REMOTE_FEATURES 0x041b
+#define HCI_OP_READ_REMOTE_EXT_FEATURES 0x041c
+#define HCI_OP_READ_REMOTE_VERSION 0x041d
+#define HCI_OP_SETUP_SYNC_CONN 0x0428
+#define HCI_OP_ACCEPT_SYNC_CONN_REQ 0x0429
+#define HCI_OP_REJECT_SYNC_CONN_REQ 0x042a
+#define HCI_OP_SNIFF_MODE 0x0803
+#define HCI_OP_EXIT_SNIFF_MODE 0x0804
+#define HCI_OP_ROLE_DISCOVERY 0x0809
+#define HCI_OP_SWITCH_ROLE 0x080b
+#define HCI_OP_READ_LINK_POLICY 0x080c
+#define HCI_OP_WRITE_LINK_POLICY 0x080d
+#define HCI_OP_READ_DEF_LINK_POLICY 0x080e
+#define HCI_OP_WRITE_DEF_LINK_POLICY 0x080f
+#define HCI_OP_SNIFF_SUBRATE 0x0811
+#define HCI_OP_Write_Link_Policy_Settings 0x080d
+#define HCI_OP_SET_EVENT_MASK 0x0c01
+#define HCI_OP_RESET 0x0c03
+#define HCI_OP_SET_EVENT_FLT 0x0c05
+#define HCI_OP_Write_Extended_Inquiry_Response 0x0c52
+#define HCI_OP_Write_Simple_Pairing_Mode 0x0c56
+#define HCI_OP_Read_Buffer_Size 0x1005
+#define HCI_OP_Host_Buffer_Size 0x0c33
+#define HCI_OP_Read_Local_Version_Information 0x1001
+#define HCI_OP_Read_BD_ADDR 0x1009
+#define HCI_OP_Read_Local_Supported_Commands 0x1002
+#define HCI_OP_Write_Scan_Enable 0x0c1a
+#define HCI_OP_Write_Current_IAC_LAP 0x0c3a
+#define HCI_OP_Write_Inquiry_Scan_Activity 0x0c1e
+#define HCI_OP_Write_Class_of_Device 0x0c24
+#define HCI_OP_LE_Rand 0x2018
+#define HCI_OP_LE_Set_Random_Address 0x2005
+#define HCI_OP_LE_Set_Extended_Scan_Enable 0x2042
+#define HCI_OP_LE_Set_Extended_Scan_Parameters 0x2041
+#define HCI_OP_Set_Event_Filter 0x0c05
+#define HCI_OP_Write_Voice_Setting 0x0c26
+#define HCI_OP_Change_Local_Name 0x0c13
+#define HCI_OP_Read_Local_Name 0x0c14
+#define HCI_OP_Wirte_Page_Timeout 0x0c18
+#define HCI_OP_LE_Clear_Resolving_List 0x0c29
+#define HCI_OP_LE_Set_Addres_Resolution_Enable_Command 0x0c2e
+#define HCI_OP_Write_Inquiry_mode 0x0c45
+#define HCI_OP_Write_Page_Scan_Type 0x0c47
+#define HCI_OP_Write_Inquiry_Scan_Type 0x0c43
+
+#define HCI_OP_Delete_Stored_Link_Key 0x0c12
+#define HCI_OP_LE_Read_Local_Resolvable_Address 0x202d
+#define HCI_OP_LE_Extended_Create_Connection 0x2043
+#define HCI_OP_Read_Remote_Version_Information 0x041d
+#define HCI_OP_LE_Start_Encryption 0x2019
+#define HCI_OP_LE_Add_Device_to_Resolving_List 0x2027
+#define HCI_OP_LE_Set_Privacy_Mode 0x204e
+#define HCI_OP_LE_Connection_Update 0x2013
+
+/* ----- HCI events---- */
+#define HCI_OP_DISCONNECT 0x0406
+#define HCI_EV_INQUIRY_COMPLETE 0x01
+#define HCI_EV_INQUIRY_RESULT 0x02
+#define HCI_EV_CONN_COMPLETE 0x03
+#define HCI_EV_CONN_REQUEST 0x04
+#define HCI_EV_DISCONN_COMPLETE 0x05
+#define HCI_EV_AUTH_COMPLETE 0x06
+#define HCI_EV_REMOTE_NAME 0x07
+#define HCI_EV_ENCRYPT_CHANGE 0x08
+#define HCI_EV_CHANGE_LINK_KEY_COMPLETE 0x09
+
+#define HCI_EV_REMOTE_FEATURES 0x0b
+#define HCI_EV_REMOTE_VERSION 0x0c
+#define HCI_EV_QOS_SETUP_COMPLETE 0x0d
+#define HCI_EV_CMD_COMPLETE 0x0e
+#define HCI_EV_CMD_STATUS 0x0f
+
+#define HCI_EV_ROLE_CHANGE 0x12
+#define HCI_EV_NUM_COMP_PKTS 0x13
+#define HCI_EV_MODE_CHANGE 0x14
+#define HCI_EV_PIN_CODE_REQ 0x16
+#define HCI_EV_LINK_KEY_REQ 0x17
+#define HCI_EV_LINK_KEY_NOTIFY 0x18
+#define HCI_EV_CLOCK_OFFSET 0x1c
+#define HCI_EV_PKT_TYPE_CHANGE 0x1d
+#define HCI_EV_PSCAN_REP_MODE 0x20
+
+#define HCI_EV_INQUIRY_RESULT_WITH_RSSI 0x22
+#define HCI_EV_REMOTE_EXT_FEATURES 0x23
+#define HCI_EV_SYNC_CONN_COMPLETE 0x2c
+#define HCI_EV_SYNC_CONN_CHANGED 0x2d
+#define HCI_EV_SNIFF_SUBRATE 0x2e
+#define HCI_EV_EXTENDED_INQUIRY_RESULT 0x2f
+#define HCI_EV_IO_CAPA_REQUEST 0x31
+#define HCI_EV_SIMPLE_PAIR_COMPLETE 0x36
+#define HCI_EV_REMOTE_HOST_FEATURES 0x3d
+#define HCI_EV_LE_Meta 0x3e
+
+#define CONFIG_MAC_OFFSET_GEN_1_2 (0x3C) //MAC's OFFSET in config/efuse for aic generation 1~2 bluetooth chip
+#define CONFIG_MAC_OFFSET_GEN_3PLUS (0x44) //MAC's OFFSET in config/efuse for aic generation 3+ bluetooth chip
+
+
+typedef struct {
+ uint16_t vid;
+ uint16_t pid;
+ uint16_t lmp_sub_default;
+ uint16_t lmp_sub;
+ uint16_t eversion;
+ char *mp_patch_name;
+ char *patch_name;
+ char *config_name;
+ uint8_t *fw_cache;
+ int fw_len;
+ uint16_t mac_offset;
+ uint32_t max_patch_size;
+} patch_info;
+
+//Define ioctl cmd the same as HCIDEVUP in the kernel
+#define DOWN_FW_CFG _IOW('E', 176, int)
+//#ifdef CONFIG_SCO_OVER_HCI
+//#define SET_ISO_CFG _IOW('H', 202, int)
+//#else
+#define SET_ISO_CFG _IOW('E', 177, int)
+//#endif
+#define RESET_CONTROLLER _IOW('E', 178, int)
+#define DWFW_CMPLT _IOW('E', 179, int)
+
+#define GET_USB_INFO _IOR('E', 180, int)
+
+/* for altsettings*/
+#include <linux/fs.h>
+#define BDADDR_FILE "/data/misc/bluetooth/bdaddr"
+#define FACTORY_BT_BDADDR_STORAGE_LEN 17
+#if 0
+static inline int getmacaddr(uint8_t * vnd_local_bd_addr)
+{
+ struct file *bdaddr_file;
+ mm_segment_t oldfs;
+ char buf[FACTORY_BT_BDADDR_STORAGE_LEN];
+ int32_t i = 0;
+ memset(buf, 0, FACTORY_BT_BDADDR_STORAGE_LEN);
+ bdaddr_file = filp_open(BDADDR_FILE, O_RDONLY, 0);
+ if (IS_ERR(bdaddr_file)){
+ AICBT_INFO("No Mac Config for BT\n");
+ return -1;
+ }
+ oldfs = get_fs();
+ set_fs(KERNEL_DS);
+ bdaddr_file->f_op->llseek(bdaddr_file, 0, 0);
+ bdaddr_file->f_op->read(bdaddr_file, buf, FACTORY_BT_BDADDR_STORAGE_LEN, &bdaddr_file->f_pos);
+ for (i = 0; i < 6; i++) {
+ if(buf[3*i]>'9')
+ {
+ if(buf[3*i]>'Z')
+ buf[3*i] -=('a'-'A'); //change a to A
+ buf[3*i] -= ('A'-'9'-1);
+ }
+ if(buf[3*i+1]>'9')
+ {
+ if(buf[3*i+1]>'Z')
+ buf[3*i+1] -=('a'-'A'); //change a to A
+ buf[3*i+1] -= ('A'-'9'-1);
+ }
+ vnd_local_bd_addr[5-i] = ((uint8_t)buf[3*i]-'0')*16 + ((uint8_t)buf[3*i+1]-'0');
+ }
+ set_fs(oldfs);
+ filp_close(bdaddr_file, NULL);
+ return 0;
+}
+#endif
+
+#endif /* CONFIG_BLUEDROID */
+
+
+typedef struct {
+ struct usb_interface *intf;
+ struct usb_device *udev;
+ int pipe_in, pipe_out;
+ uint8_t *send_pkt;
+ uint8_t *rcv_pkt;
+ struct hci_command_hdr *cmd_hdr;
+ struct hci_event_hdr *evt_hdr;
+ struct hci_ev_cmd_complete *cmd_cmp;
+ uint8_t *req_para, *rsp_para;
+ uint8_t *fw_data;
+ int pkt_len;
+ int fw_len;
+} firmware_info;
+
+/*******************************
+** Reasil patch code
+********************************/
+#define CMD_CMP_EVT 0x0e
+#define RCV_PKT_LEN 64
+#define SEND_PKT_LEN 300
+#define MSG_TO 1000
+#define PATCH_SEG_MAX 252
+#define DATA_END 0x80
+#define DOWNLOAD_OPCODE 0xfc02
+#define HCI_VSC_UPDATE_PT_CMD 0xFC75
+#define BTOFF_OPCODE 0xfc28
+#define TRUE 1
+#define FALSE 0
+#define CMD_HDR_LEN sizeof(struct hci_command_hdr)
+#define EVT_HDR_LEN sizeof(struct hci_event_hdr)
+#define CMD_CMP_LEN sizeof(struct hci_ev_cmd_complete)
+#define MAX_PATCH_SIZE_24K (1024*24)
+#define MAX_PATCH_SIZE_40K (1024*40)
+
+
+#define FW_RAM_ADID_BASE_ADDR 0x101788
+#define FW_RAM_PATCH_BASE_ADDR 0x184000
+#define FW_ADID_BASE_NAME "fw_adid_8800dc.bin"
+#define FW_PATCH_TABLE_NAME "fw_patch_table_8800dc.bin"
+#define FW_PATCH_BASE_NAME "fw_patch_8800dc.bin"
+#define FW_PATCH_TABLE_NAME_U02 "fw_patch_table_8800dc_u02.bin"
+#define FW_PATCH_BASE_NAME_U02 "fw_patch_8800dc_u02.bin"
+#define FW_PATCH_TABLE_NAME_U02H "fw_patch_table_8800dc_u02h.bin"
+#define FW_PATCH_BASE_NAME_U02H "fw_patch_8800dc_u02h.bin"
+#define AICBT_PT_TAG "AICBT_PT_TAG"
+
+enum aicbt_patch_table_type {
+ AICBT_PT_NULL = 0x00,
+ AICBT_PT_TRAP,
+ AICBT_PT_B4,
+ AICBT_PT_BTMODE,
+ AICBT_PT_PWRON,
+ AICBT_PT_AF,
+ AICBT_PT_VER,
+ AICBT_PT_MAX,
+};
+
+#define HCI_VSC_FW_STATUS_GET_CMD 0xFC78
+
+struct fw_status {
+ u8 status;
+} __packed;
+
+#define HCI_PATCH_DATA_MAX_LEN 240
+#define HCI_VSC_MEM_WR_SIZE 240
+#define HCI_VSC_MEM_RD_SIZE 128
+#define HCI_VSC_UPDATE_PT_SIZE 249
+#define HCI_PT_MAX_LEN 31
+
+#define HCI_VSC_DBG_RD_MEM_CMD 0xFC01
+
+struct hci_dbg_rd_mem_cmd {
+ __le32 start_addr;
+ __u8 type;
+ __u8 length;
+}__attribute__ ((packed));
+
+struct hci_dbg_rd_mem_cmd_evt {
+ __u8 status;
+ __u8 length;
+ __u8 data[HCI_VSC_MEM_RD_SIZE];
+}__attribute__ ((packed));
+
+struct long_buffer_tag {
+ __u8 length;
+ __u8 data[HCI_VSC_MEM_WR_SIZE];
+};
+
+struct hci_dbg_wr_mem_cmd {
+ __le32 start_addr;
+ __u8 type;
+ __u8 length;
+ __u8 data[HCI_VSC_MEM_WR_SIZE];
+};
+
+struct aicbt_patch_table {
+ char *name;
+ uint32_t type;
+ uint32_t *data;
+ uint32_t len;
+ struct aicbt_patch_table *next;
+};
+
+struct aicbt_patch_table_cmd {
+ uint8_t patch_num;
+ uint32_t patch_table_addr[31];
+ uint32_t patch_table_data[31];
+}__attribute__ ((packed));
+
+
+enum aic_endpoit {
+ CTRL_EP = 0,
+ INTR_EP = 3,
+ BULK_EP = 1,
+ ISOC_EP = 4
+};
+
+/* #define HCI_VERSION_CODE KERNEL_VERSION(3, 14, 41) */
+#define HCI_VERSION_CODE LINUX_VERSION_CODE
+
+int aic_load_firmware(u8 ** fw_buf, const char *name, struct device *device);
+int aicbt_patch_table_free(struct aicbt_patch_table **head);
+int download_patch(firmware_info *fw_info, int cached);
+
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2, 6, 38)
+#define NUM_REASSEMBLY 3
+#else
+#define NUM_REASSEMBLY 4
+#endif
+
--- /dev/null
+++ b/drivers/bluetooth/aic_btusb/aic_btusb_external_featrue.c
@@ -0,0 +1,126 @@
+#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/poll.h>
+#include <linux/cdev.h>
+#include <linux/device.h>
+
+
+
+#define IOCTL_CHAR_DEVICE_NAME "aic_btusb_ex_dev"
+
+#define SET_APCF_PARAMETER _IOR('E', 181, int)
+
+static dev_t ioctl_devid; /* bt char device number */
+static struct cdev ioctl_char_dev; /* bt character device structure */
+static struct class *ioctl_char_class; /* device class for usb char driver */
+
+extern struct file_operations ioctl_chrdev_ops;
+
+extern void btchr_external_write(char* data, int len);
+
+static long ioctl_ioctl(struct file *file_p,unsigned int cmd, unsigned long arg)
+{
+ char data[1024];
+ int ret = 0;
+
+ printk("%s enter\r\n", __func__);
+ memset(data, 0, 1024);
+ switch(cmd)
+ {
+ case SET_APCF_PARAMETER:
+ printk("set apcf parameter\r\n");
+ ret = copy_from_user(data, (int __user *)arg, 1024);
+ btchr_external_write(&data[1], (int)data[0]);
+ break;
+
+ default:
+ printk("unknow cmdr\r\n");
+ break;
+ }
+ return 0;
+}
+
+
+#ifdef CONFIG_COMPAT
+static long compat_ioctlchr_ioctl (struct file *filp, unsigned int cmd, unsigned long arg)
+{
+ return ioctl_ioctl(filp, cmd, (unsigned long) compat_ptr(arg));
+}
+#endif
+
+
+struct file_operations ioctl_chrdev_ops = {
+ unlocked_ioctl : ioctl_ioctl,
+#ifdef CONFIG_COMPAT
+ compat_ioctl : compat_ioctlchr_ioctl,
+#endif
+
+};
+
+static int __init init_extenal_ioctl(void){
+ int res = 0;
+ struct device *dev;
+
+ printk("%s enter\r\n", __func__);
+
+ ioctl_char_class = class_create(THIS_MODULE, IOCTL_CHAR_DEVICE_NAME);
+ if (IS_ERR(ioctl_char_class)) {
+ printk("Failed to create ioctl char class");
+ }
+
+ res = alloc_chrdev_region(&ioctl_devid, 0, 1, IOCTL_CHAR_DEVICE_NAME);
+ if (res < 0) {
+ printk("Failed to allocate ioctl char device");
+ goto err_alloc;
+ }
+
+ dev = device_create(ioctl_char_class, NULL, ioctl_devid, NULL, IOCTL_CHAR_DEVICE_NAME);
+ if (IS_ERR(dev)) {
+ printk("Failed to create ioctl char device");
+ res = PTR_ERR(dev);
+ goto err_create;
+ }
+
+ cdev_init(&ioctl_char_dev, &ioctl_chrdev_ops);
+ res = cdev_add(&ioctl_char_dev, ioctl_devid, 1);
+ if (res < 0) {
+ printk("Failed to add ioctl char device");
+ goto err_add;
+ }
+
+ return res;
+
+err_add:
+ device_destroy(ioctl_char_class, ioctl_devid);
+err_create:
+ unregister_chrdev_region(ioctl_devid, 1);
+err_alloc:
+ class_destroy(ioctl_char_class);
+
+ return res;
+
+}
+static void __exit deinit_extenal_ioctl(void){
+ printk("%s enter\r\n", __func__);
+ device_destroy(ioctl_char_class, ioctl_devid);
+ cdev_del(&ioctl_char_dev);
+ unregister_chrdev_region(ioctl_devid, 1);
+ class_destroy(ioctl_char_class);
+
+}
+
+module_init(init_extenal_ioctl);
+module_exit(deinit_extenal_ioctl);
+
+
+MODULE_AUTHOR("AicSemi Corporation");
+MODULE_DESCRIPTION("AicSemi Bluetooth USB driver version");
+MODULE_LICENSE("GPL");
+
--- /dev/null
+++ b/drivers/bluetooth/aic_btusb/aic_btusb_external_featrue.h
@@ -0,0 +1,3 @@
+
+void btchr_external_write(char* data, int len);
+
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