From: Jan Altensen Date: Sat, 17 Jul 2021 10:49:17 +0000 (+0200) Subject: import rtk_btusb kernel driver X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b2ef244eb30243fa771a44f89df02e89286fbb95;p=GitHub%2FLineageOS%2FG12%2Fandroid_hardware_amlogic_kernel-modules_rtk_btusb.git import rtk_btusb kernel driver * from https://github.com/BPI-SINOVOIP/BPI-S905X3-Android9 @ 5f6b6d7773ff9d07001030b8e797673a2f64e9a9 (hardware\amlogic\bluetooth\realtek\rtk_btusb) Change-Id: Id41605a3d7c02d911ad649f19b0b9924c64e184a --- b2ef244eb30243fa771a44f89df02e89286fbb95 diff --git a/Kconfig b/Kconfig new file mode 100644 index 0000000..fadaad1 --- /dev/null +++ b/Kconfig @@ -0,0 +1,275 @@ + +menu "Bluetooth device drivers" + depends on BT + +config BT_HCISMD + tristate "HCI SMD driver" + help + Bluetooth HCI SMD driver. + This driver is required if you want to use Bluetoth device with + SMD interface. + + Say Y here to compile support for Bluetooth USB devices into the + kernel or say M to compile is as a module (hci_smd). + +config BT_RTKBTUSB + tristate "RTK HCI USB driver" + depends on USB + help + RTK Bluetooth HCI USB driver + +config BT_HCIBTUSB + tristate "HCI USB driver" + depends on USB + help + Bluetooth HCI USB driver. + This driver is required if you want to use Bluetooth devices with + USB interface. + + Say Y here to compile support for Bluetooth USB devices into the + kernel or say M to compile it as module (btusb). + +config BT_HCIBTSDIO + tristate "HCI SDIO driver" + depends on MMC + help + Bluetooth HCI SDIO driver. + This driver is required if you want to use Bluetooth device with + SDIO interface. + + Say Y here to compile support for Bluetooth SDIO devices into the + kernel or say M to compile it as module (btsdio). + +config BT_HCIUART + tristate "HCI UART driver" + help + Bluetooth HCI UART driver. + This driver is required if you want to use Bluetooth devices with + serial port interface. You will also need this driver if you have + UART based Bluetooth PCMCIA and CF devices like Xircom Credit Card + adapter and BrainBoxes Bluetooth PC Card. + + Say Y here to compile support for Bluetooth UART devices into the + kernel or say M to compile it as module (hci_uart). + +config BT_HCIUART_H4 + bool "UART (H4) protocol support" + depends on BT_HCIUART + help + UART (H4) is serial protocol for communication between Bluetooth + device and host. This protocol is required for most Bluetooth devices + with UART interface, including PCMCIA and CF cards. + + Say Y here to compile support for HCI UART (H4) protocol. + +config BT_HCIUART_BCSP + bool "BCSP protocol support" + depends on BT_HCIUART + select BITREVERSE + help + BCSP (BlueCore Serial Protocol) is serial protocol for communication + between Bluetooth device and host. This protocol is required for non + USB Bluetooth devices based on CSR BlueCore chip, including PCMCIA and + CF cards. + + Say Y here to compile support for HCI BCSP protocol. + +config BT_HCIUART_ATH3K + bool "Atheros AR300x serial support" + depends on BT_HCIUART + help + HCIATH3K (HCI Atheros AR300x) is a serial protocol for + communication between host and Atheros AR300x Bluetooth devices. + This protocol enables AR300x chips to be enabled with + power management support. + Enable this if you have Atheros AR300x serial Bluetooth device. + + Say Y here to compile support for HCI UART ATH3K protocol. + +config BT_HCIUART_LL + bool "HCILL protocol support" + depends on BT_HCIUART + help + HCILL (HCI Low Level) is a serial protocol for communication + between Bluetooth device and host. This protocol is required for + serial Bluetooth devices that are based on Texas Instruments' + BRF chips. + + Say Y here to compile support for HCILL protocol. + +config BT_HCIUART_IBS + bool "HCI_IBS protocol support" + depends on BT_HCIUART + default n + help + HCI_IBS (HCI In-Band Sleep) is a serial protocol for communication + between Bluetooth device and host. This protocol is required for + UART clock control for some Qualcomm Bluetooth devices. + + Say Y here to compile support for HCI_IBS protocol. + +config BT_HCIBCM203X + tristate "HCI BCM203x USB driver" + depends on USB + select FW_LOADER + help + Bluetooth HCI BCM203x USB driver. + This driver provides the firmware loading mechanism for the Broadcom + Blutonium based devices. + + Say Y here to compile support for HCI BCM203x devices into the + kernel or say M to compile it as module (bcm203x). + +config BT_HCIBPA10X + tristate "HCI BPA10x USB driver" + depends on USB + help + Bluetooth HCI BPA10x USB driver. + This driver provides support for the Digianswer BPA 100/105 Bluetooth + sniffer devices. + + Say Y here to compile support for HCI BPA10x devices into the + kernel or say M to compile it as module (bpa10x). + +config BT_MSM_SLEEP + tristate "MSM Bluesleep driver" + depends on BT && SERIAL_MSM_HS + default n + help + Bluetooth MSM bluesleep driver. + This driver provides support for BTS sleep. + +config BT_HCIBFUSB + tristate "HCI BlueFRITZ! USB driver" + depends on USB + select FW_LOADER + help + Bluetooth HCI BlueFRITZ! USB driver. + This driver provides support for Bluetooth USB devices with AVM + interface: + AVM BlueFRITZ! USB + + Say Y here to compile support for HCI BFUSB devices into the + kernel or say M to compile it as module (bfusb). + +config BT_HCIDTL1 + tristate "HCI DTL1 (PC Card) driver" + depends on PCMCIA + help + Bluetooth HCI DTL1 (PC Card) driver. + This driver provides support for Bluetooth PCMCIA devices with + Nokia DTL1 interface: + Nokia Bluetooth Card + Socket Bluetooth CF Card + + Say Y here to compile support for HCI DTL1 devices into the + kernel or say M to compile it as module (dtl1_cs). + +config BT_HCIBT3C + tristate "HCI BT3C (PC Card) driver" + depends on PCMCIA + select FW_LOADER + help + Bluetooth HCI BT3C (PC Card) driver. + This driver provides support for Bluetooth PCMCIA devices with + 3Com BT3C interface: + 3Com Bluetooth Card (3CRWB6096) + HP Bluetooth Card + + Say Y here to compile support for HCI BT3C devices into the + kernel or say M to compile it as module (bt3c_cs). + +config BT_HCIBLUECARD + tristate "HCI BlueCard (PC Card) driver" + depends on PCMCIA + help + Bluetooth HCI BlueCard (PC Card) driver. + This driver provides support for Bluetooth PCMCIA devices with + Anycom BlueCard interface: + Anycom Bluetooth PC Card + Anycom Bluetooth CF Card + + Say Y here to compile support for HCI BlueCard devices into the + kernel or say M to compile it as module (bluecard_cs). + +config BT_HCIBTUART + tristate "HCI UART (PC Card) device driver" + depends on PCMCIA + help + Bluetooth HCI UART (PC Card) driver. + This driver provides support for Bluetooth PCMCIA devices with + an UART interface: + Xircom CreditCard Bluetooth Adapter + Xircom RealPort2 Bluetooth Adapter + Sphinx PICO Card + H-Soft blue+Card + Cyber-blue Compact Flash Card + + Say Y here to compile support for HCI UART devices into the + kernel or say M to compile it as module (btuart_cs). + +config BT_HCIVHCI + tristate "HCI VHCI (Virtual HCI device) driver" + help + Bluetooth Virtual HCI device driver. + This driver is required if you want to use HCI Emulation software. + + Say Y here to compile support for virtual HCI devices into the + kernel or say M to compile it as module (hci_vhci). + +config BT_MRVL + tristate "Marvell Bluetooth driver support" + help + The core driver to support Marvell Bluetooth devices. + + This driver is required if you want to support + Marvell Bluetooth devices, such as 8688/8787. + + Say Y here to compile Marvell Bluetooth driver + into the kernel or say M to compile it as module. + +config BT_MRVL_SDIO + tristate "Marvell BT-over-SDIO driver" + depends on BT_MRVL && MMC + select FW_LOADER + help + The driver for Marvell Bluetooth chipsets with SDIO interface. + + This driver is required if you want to use Marvell Bluetooth + devices with SDIO interface. Currently SD8688/SD8787 chipsets are + supported. + + Say Y here to compile support for Marvell BT-over-SDIO driver + into the kernel or say M to compile it as module. + +config MSM_BT_POWER + tristate "MSM Bluetooth Power Control" + depends on ARCH_MSM && RFKILL + default m + help + Provides a parameter to switch on/off power from PMIC + to Bluetooth device. + +config BT_ATH3K + tristate "Atheros firmware download driver" + depends on BT_HCIBTUSB + select FW_LOADER + help + Bluetooth firmware download driver. + This driver loads the firmware into the Atheros Bluetooth + chipset. + + Say Y here to compile support for "Atheros firmware download driver" + into the kernel or say M to compile it as module (ath3k). + +config BT_WILINK + tristate "Texas Instruments WiLink7 driver" + depends on TI_ST + help + This enables the Bluetooth driver for Texas Instrument's BT/FM/GPS + combo devices. This makes use of shared transport line discipline + core driver to communicate with the BT core of the combo chip. + + Say Y here to compile support for Texas Instrument's WiLink7 driver + into the kernel or say M to compile it as module. +endmenu diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..0c51f9b --- /dev/null +++ b/Makefile @@ -0,0 +1,37 @@ +# +# Makefile for the Linux Bluetooth HCI device drivers. +# + +obj-$(CONFIG_BT_HCISMD) += hci_smd.o +obj-$(CONFIG_BT_HCIVHCI) += hci_vhci.o +obj-$(CONFIG_BT_HCIUART) += hci_uart.o +obj-$(CONFIG_BT_HCIBCM203X) += bcm203x.o +obj-$(CONFIG_BT_HCIBPA10X) += bpa10x.o +obj-$(CONFIG_BT_HCIBFUSB) += bfusb.o +obj-$(CONFIG_BT_HCIDTL1) += dtl1_cs.o +obj-$(CONFIG_BT_HCIBT3C) += bt3c_cs.o +obj-$(CONFIG_BT_HCIBLUECARD) += bluecard_cs.o +obj-$(CONFIG_BT_HCIBTUART) += btuart_cs.o + +obj-$(CONFIG_BT_HCIBTUSB) += btusb.o +obj-$(CONFIG_BT_RTKBTUSB) += rtk_btusb.o +obj-$(CONFIG_BT_HCIBTSDIO) += btsdio.o + +obj-$(CONFIG_BT_ATH3K) += ath3k.o +obj-$(CONFIG_BT_MRVL) += btmrvl.o +obj-$(CONFIG_BT_MRVL_SDIO) += btmrvl_sdio.o +obj-$(CONFIG_BT_WILINK) += btwilink.o + +btmrvl-y := btmrvl_main.o +btmrvl-$(CONFIG_DEBUG_FS) += btmrvl_debugfs.o + +hci_uart-y := hci_ldisc.o +hci_uart-$(CONFIG_BT_HCIUART_H4) += hci_h4.o +hci_uart-$(CONFIG_BT_HCIUART_BCSP) += hci_bcsp.o +hci_uart-$(CONFIG_BT_HCIUART_LL) += hci_ll.o +hci_uart-$(CONFIG_BT_HCIUART_ATH3K) += hci_ath.o +hci_uart-$(CONFIG_BT_HCIUART_IBS) += hci_ibs.o +hci_uart-objs := $(hci_uart-y) +obj-$(CONFIG_BT_MSM_SLEEP) += msm_bt_sleep.o +msm_bt_sleep-objs := bluesleep.o +obj-$(CONFIG_MSM_BT_POWER) += bluetooth-power.o diff --git a/rtk_btcoex.c b/rtk_btcoex.c new file mode 100644 index 0000000..95d9e91 --- /dev/null +++ b/rtk_btcoex.c @@ -0,0 +1,273 @@ +/* + * + * Realtek Bluetooth USB driver + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include "rtk_btcoex.h" + +#define RTKBT_RELEASE_NAME "test" +#define VERSION "4.2.1" + +#define BTCOEX_CHAR_DEVICE_NAME "rtk_btcoex" + +static dev_t btcoex_devid; /* bt coex char device number */ +static struct cdev btcoex_char_dev; /* bt coex character device structure */ +static struct class *btcoex_char_class; /* device class for usb char driver */ +static wait_queue_head_t btcoex_read_wait; + +static struct sk_buff_head rtw_q; +static u8 rtw_coex_on; + +u8 rtw_btcoex_wifi_to_bt(u8 *msg, u8 msg_size) +{ + struct sk_buff *nskb; + + if (!rtw_coex_on) { + RTKBT_WARN("Bluetooth is closed"); + return 0; + } + + nskb = alloc_skb(msg_size, GFP_ATOMIC); + if (!nskb) { + RTKBT_ERR("Couldnt alloc skb for WiFi coex message"); + return 0; + } + + memcpy(skb_put(nskb, msg_size), msg, msg_size); + skb_queue_tail(&rtw_q, nskb); + wake_up_interruptible(&btcoex_read_wait); + return 1; +} +EXPORT_SYMBOL(rtw_btcoex_wifi_to_bt); + +static int rtk_send_coexmsg2wifi(u8 *msg, u8 size) +{ + u8 result; + u8 (*btmsg_to_wifi)(u8 *, u8); + + btmsg_to_wifi = __symbol_get(VMLINUX_SYMBOL_STR(rtw_btcoex_bt_to_wifi)); + + if (!btmsg_to_wifi) { + return -1; + } + + result = btmsg_to_wifi(msg, size); + __symbol_put(VMLINUX_SYMBOL_STR(rtw_btcoex_bt_to_wifi)); + if (!result) { + RTKBT_ERR("Couldnt send coex msg to WiFi"); + return -1; + } else if (result == 1){ + /* successful to send message */ + return 0; + } else { + RTKBT_ERR("Unknown result %d", result); + return -1; + } +} + +static int btcoex_open(struct inode *inode_p, struct file *file_p) +{ + skb_queue_head_init(&rtw_q); + rtw_coex_on = 1; + return nonseekable_open(inode_p, file_p); +} + +static int btcoex_close(struct inode *inode_p, struct file *file_p) +{ + rtw_coex_on = 0; + skb_queue_purge(&rtw_q); + return 0; +} + +static ssize_t btcoex_read(struct file *file_p, char __user *buf_p, size_t count, loff_t *pos_p) +{ + ssize_t ret = 0; + struct sk_buff *skb; + int len; + while(count) + { + ret = wait_event_interruptible(btcoex_read_wait, !skb_queue_empty(&rtw_q)); + if (ret < 0) { + RTKBT_ERR("%s: wait event is signaled %d", __func__, ret); + break; + } + skb = skb_dequeue(&rtw_q); + if(skb->len > count) { + skb_queue_head(&rtw_q, skb); + return -ENOMEM; + } + len = min_t(unsigned int, skb->len, count); + if (copy_to_user(buf_p, skb->data, len)) { + skb_queue_head(&rtw_q, skb); + return -EFAULT; + } + kfree_skb(skb); + break; + } + return len; +} + +static ssize_t btcoex_write(struct file *file_p, const char __user *buf_p, size_t count, loff_t *pos_p) +{ + u8 *msg_buff = NULL; + msg_buff = vmalloc(count); + if (!msg_buff) + return -ENOMEM; + + if (copy_from_user(msg_buff, buf_p, count)) { + RTKBT_ERR("%s: Failed to get data from user space", __func__); + vfree(msg_buff); + return -EFAULT; + } + rtk_send_coexmsg2wifi(msg_buff, count); + vfree(msg_buff); + return count; +} + +static unsigned int btcoex_poll(struct file *file_p, poll_table *wait) +{ + + RTKBT_DBG("%s: BT coex char device is polling", __func__); + + poll_wait(file_p, &btcoex_read_wait, wait); + + if (!skb_queue_empty(&rtw_q)) + return POLLIN | POLLRDNORM; + + return POLLOUT | POLLWRNORM; +} + +static long btcoex_ioctl(struct file *file_p, unsigned int cmd, unsigned long arg){ + int ret = 0; + + return ret; +} + + +static struct file_operations btcoex_chrdev_ops = { + open : btcoex_open, + release : btcoex_close, + read : btcoex_read, + write : btcoex_write, + poll : btcoex_poll, + unlocked_ioctl : btcoex_ioctl, +}; + +static int btcoex_chr_init(void) +{ + int res = 0; + struct device *dev; + + RTKBT_INFO("Register usb char device interface for BT driver"); + + btcoex_char_class = class_create(THIS_MODULE, BTCOEX_CHAR_DEVICE_NAME); + if (IS_ERR(btcoex_char_class)) { + RTKBT_ERR("Failed to create bt char class"); + return PTR_ERR(btcoex_char_class); + } + + res = alloc_chrdev_region(&btcoex_devid, 0, 1, BTCOEX_CHAR_DEVICE_NAME); + if (res < 0) { + RTKBT_ERR("Failed to allocate bt char device"); + goto err_alloc; + } + + dev = device_create(btcoex_char_class, NULL, btcoex_devid, NULL, BTCOEX_CHAR_DEVICE_NAME); + if (IS_ERR(dev)) { + RTKBT_ERR("Failed to create bt char device"); + res = PTR_ERR(dev); + goto err_create; + } + + cdev_init(&btcoex_char_dev, &btcoex_chrdev_ops); + res = cdev_add(&btcoex_char_dev, btcoex_devid, 1); + if (res < 0) { + RTKBT_ERR("Failed to add bt char device"); + goto err_add; + } + + init_waitqueue_head(&btcoex_read_wait); + return 0; + +err_add: + device_destroy(btcoex_char_class, btcoex_devid); +err_create: + unregister_chrdev_region(btcoex_devid, 1); +err_alloc: + class_destroy(btcoex_char_class); + return res; +} + +static void btcoex_chr_exit(void) +{ + RTKBT_INFO("Unregister usb char device interface for BT driver"); + + device_destroy(btcoex_char_class, btcoex_devid); + cdev_del(&btcoex_char_dev); + unregister_chrdev_region(btcoex_devid, 1); + class_destroy(btcoex_char_class); + + return; +} + +static int __init btcoex_init(void) +{ + int err; + + RTKBT_INFO("RTKBT_RELEASE_NAME: %s",RTKBT_RELEASE_NAME); + RTKBT_INFO("Realtek Bluetooth coex driver module init, version %s", VERSION); + err = btcoex_chr_init(); + if (err < 0) { + /* usb register will go on, even bt char register failed */ + RTKBT_ERR("Failed to register coex char device interfaces"); + } + return err; +} + +static void __exit btcoex_exit(void) +{ + RTKBT_INFO("Realtek Bluetooth coex driver module exit"); + btcoex_chr_exit(); +} + +module_init(btcoex_init); +module_exit(btcoex_exit); + + +MODULE_AUTHOR("Realtek Corporation"); +MODULE_DESCRIPTION("Realtek Bluetooth wifi-bt coex driver version"); +MODULE_VERSION(VERSION); +MODULE_LICENSE("GPL"); diff --git a/rtk_btcoex.h b/rtk_btcoex.h new file mode 100644 index 0000000..7b31636 --- /dev/null +++ b/rtk_btcoex.h @@ -0,0 +1,51 @@ +/* + * + * Realtek Bluetooth USB driver + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#ifndef RTK_BTCOEX_H +#define RTK_BTCOEX_H +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + + +#define RTKBT_DBG_FLAG 0 + +#if RTKBT_DBG_FLAG +#define RTKBT_DBG(fmt, arg...) printk(KERN_INFO "rtk_btcoex: " fmt "\n" , ## arg) +#else +#define RTKBT_DBG(fmt, arg...) +#endif +#define RTKBT_INFO(fmt, arg...) printk(KERN_INFO "rtk_btcoex: " fmt "\n" , ## arg) +#define RTKBT_WARN(fmt, arg...) printk(KERN_WARNING "rtk_btcoex: " fmt "\n" , ## arg) +#define RTKBT_ERR(fmt, arg...) printk(KERN_ERR "rtk_btcoex: " fmt "\n" , ## arg) + +#endif diff --git a/rtk_btusb.c b/rtk_btusb.c new file mode 100644 index 0000000..0517624 --- /dev/null +++ b/rtk_btusb.c @@ -0,0 +1,4652 @@ +/* + * + * Realtek Bluetooth USB driver + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include + +#include "rtk_btusb.h" + +#define RTKBT_RELEASE_NAME "20190311_BT_ANDROID_9.0" +#define VERSION "5.0.1" + +#define SUSPNED_DW_FW 0 +#define SET_WAKEUP_DEVICE 0 + + +static spinlock_t queue_lock; +static spinlock_t dlfw_lock; +static volatile uint16_t dlfw_dis_state = 0; + +#if SUSPNED_DW_FW +static firmware_info *fw_info_4_suspend = NULL; +#endif + +static uint32_t usb_info; + +static patch_info fw_patch_table[] = { +/* { vid, pid, lmp_sub_default, lmp_sub, everion, mp_fw_name, fw_name, config_name, fw_cache, fw_len, mac_offset } */ +{ 0x0BDA, 0x1724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723A */ +{ 0x0BDA, 0x8723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE */ +{ 0x0BDA, 0xA723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE for LI */ +{ 0x0BDA, 0x0723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE */ +{ 0x13D3, 0x3394, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AE for Azurewave*/ + +{ 0x0BDA, 0x0724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */ +{ 0x0BDA, 0x8725, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */ +{ 0x0BDA, 0x872A, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */ +{ 0x0BDA, 0x872B, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* 8723AU */ + +{ 0x0BDA, 0xb720, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BU */ +{ 0x0BDA, 0xb72A, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BU */ +{ 0x0BDA, 0xb728, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for LC */ +{ 0x0BDA, 0xb723, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */ +{ 0x0BDA, 0xb72B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */ +{ 0x0BDA, 0xb001, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for HP */ +{ 0x0BDA, 0xb002, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */ +{ 0x0BDA, 0xb003, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */ +{ 0x0BDA, 0xb004, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */ +{ 0x0BDA, 0xb005, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE */ + +{ 0x13D3, 0x3410, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */ +{ 0x13D3, 0x3416, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */ +{ 0x13D3, 0x3459, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Azurewave */ +{ 0x0489, 0xE085, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Foxconn */ +{ 0x0489, 0xE08B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8723BE for Foxconn */ + +{ 0x0BDA, 0x2850, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU */ +{ 0x0BDA, 0xA761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU only */ +{ 0x0BDA, 0x818B, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AW + 8192EU */ +{ 0x0BDA, 0x818C, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AW + 8192EU */ +{ 0x0BDA, 0x8760, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8192EE */ +{ 0x0BDA, 0xB761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AUV only */ +{ 0x0BDA, 0x8761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8192EE for LI */ +{ 0x0BDA, 0x8A60, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8812ae_fw", "rtl8761a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8761AU + 8812AE */ +{ 0x0BDA, 0x8771, 0x8761, 0, 0, "mp_rtl8761b_fw", "rtl8761b_fw", "rtl8761b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_4PLUS, MAX_PATCH_SIZE_40K}, /* RTL8761BU */ + +{ 0x0BDA, 0x8821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */ +{ 0x0BDA, 0x0821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */ +{ 0x0BDA, 0x0823, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AU */ +{ 0x13D3, 0x3414, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */ +{ 0x13D3, 0x3458, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */ +{ 0x13D3, 0x3461, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */ +{ 0x13D3, 0x3462, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_1_2, MAX_PATCH_SIZE_24K}, /* RTL8821AE */ + +{ 0x0BDA, 0xB822, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BE */ +{ 0x0BDA, 0xB82C, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BU */ +{ 0x0BDA, 0xB023, 0x8822, 0, 0, "mp_rtl8822b_fw", "rtl8822b_fw", "rtl8822b_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8822BE */ +{ 0x0BDA, 0xB703, 0x8703, 0, 0, "mp_rtl8723c_fw", "rtl8723c_fw", "rtl8723c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_24K}, /* RTL8723CU */ +/* todo: RTL8703BU */ + +{ 0x0BDA, 0xD723, 0x8723, 0, 0, "mp_rtl8723d_fw", "rtl8723d_fw", "rtl8723d_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8723DU */ +{ 0x0BDA, 0xD720, 0x8723, 0, 0, "mp_rtl8723d_fw", "rtl8723d_fw", "rtl8723d_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8723DE */ +{ 0x0BDA, 0xB820, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CU */ +{ 0x0BDA, 0xC820, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CU */ +{ 0x0BDA, 0xC821, 0x8821, 0, 0, "mp_rtl8821c_fw", "rtl8821c_fw", "rtl8821c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_3PLUS, MAX_PATCH_SIZE_40K}, /* RTL8821CE */ +/* todo: RTL8703CU */ +{ 0x0BDA, 0xC82C, 0x8822, 0, 0, "mp_rtl8822c_fw", "rtl8822c_fw", "rtl8822c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_4PLUS, MAX_PATCH_SIZE_40K}, /* RTL8822CU */ +{ 0x0BDA, 0xC822, 0x8822, 0, 0, "mp_rtl8822c_fw", "rtl8822c_fw", "rtl8822c_config", NULL, 0 ,CONFIG_MAC_OFFSET_GEN_4PLUS, MAX_PATCH_SIZE_40K}, /* RTL8822CE */ +/* NOTE: must append patch entries above the null entry */ +{ 0, 0, 0, 0, 0, NULL, NULL, NULL, NULL, 0, 0 } +}; + +struct btusb_data { + struct hci_dev *hdev; + struct usb_device *udev; + struct usb_interface *intf; + struct usb_interface *isoc; + + spinlock_t lock; + + unsigned long flags; + + struct work_struct work; + struct work_struct waker; + + struct usb_anchor tx_anchor; + struct usb_anchor intr_anchor; + struct usb_anchor bulk_anchor; + struct usb_anchor isoc_anchor; + struct usb_anchor deferred; + int tx_in_flight; + spinlock_t txlock; + + struct usb_endpoint_descriptor *intr_ep; + struct usb_endpoint_descriptor *bulk_tx_ep; + struct usb_endpoint_descriptor *bulk_rx_ep; + struct usb_endpoint_descriptor *isoc_tx_ep; + struct usb_endpoint_descriptor *isoc_rx_ep; + + __u8 cmdreq_type; + + unsigned int sco_num; + int isoc_altsetting; + int suspend_count; + uint16_t sco_handle; +//#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 + RTK_sco_card_t *pSCOSnd; +#endif +}; +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1) +static bool reset_on_close = 0; +#endif + +int download_patch(firmware_info *fw_info, int cached); +int reset_controller(firmware_info* fw_info); + +static inline int check_set_dlfw_state_value(uint16_t change_value) +{ + int state; + spin_lock(&dlfw_lock); + if(!dlfw_dis_state) { + dlfw_dis_state = change_value; + } + state = dlfw_dis_state; + spin_unlock(&dlfw_lock); + return state; +} + +static inline void set_dlfw_state_value(uint16_t change_value) +{ + spin_lock(&dlfw_lock); + dlfw_dis_state = change_value; + spin_unlock(&dlfw_lock); +} + +#if SUSPNED_DW_FW +static int download_suspend_patch(firmware_info *fw_info, int cached); +#endif +#if SET_WAKEUP_DEVICE +static void set_wakeup_device_from_conf(firmware_info *fw_info); +int set_wakeup_device(firmware_info* fw_info, uint8_t* wakeup_bdaddr); +#endif + +static void rtk_free( struct btusb_data *data) +{ +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 1) + kfree(data); +#endif + return; +} + +static struct btusb_data *rtk_alloc(struct usb_interface *intf) +{ + struct btusb_data *data; +#if LINUX_VERSION_CODE < KERNEL_VERSION(3, 7, 1) + data = kzalloc(sizeof(*data), GFP_KERNEL); +#else + data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); +#endif + return data; +} + +static void print_acl(struct sk_buff *skb, int direction) +{ +#if PRINT_ACL_DATA + uint wlength = skb->len; + u16 *handle = (u16 *)(skb->data); + u16 len = *(handle+1); + u8 *acl_data = (u8 *)(skb->data); + + RTK_INFO("%s: direction %d, handle %04x, len %d", + __func__, direction, *handle, len); +#endif +} + +static void print_sco(struct sk_buff *skb, int direction) +{ +#if PRINT_SCO_DATA + uint wlength = skb->len; + u16 *handle = (u16 *)(skb->data); + u8 len = *(u8 *)(handle+1); + u8 *sco_data =(u8 *)(skb->data); + + RTKBT_INFO("%s: direction %d, handle %04x, len %d", + __func__, direction, *handle, len); +#endif +} + +static void print_error_command(struct sk_buff *skb) +{ + uint wlength = skb->len; + uint icount = 0; + u16 *opcode = (u16*)(skb->data); + u8 *cmd_data = (u8*)(skb->data); + u8 len = *(cmd_data+2); + + switch (*opcode) { + case HCI_OP_INQUIRY: + printk("HCI_OP_INQUIRY"); + break; + case HCI_OP_INQUIRY_CANCEL: + printk("HCI_OP_INQUIRY_CANCEL"); + break; + case HCI_OP_EXIT_PERIODIC_INQ: + printk("HCI_OP_EXIT_PERIODIC_INQ"); + break; + case HCI_OP_CREATE_CONN: + printk("HCI_OP_CREATE_CONN"); + break; + case HCI_OP_DISCONNECT: + printk("HCI_OP_DISCONNECT"); + break; + case HCI_OP_CREATE_CONN_CANCEL: + printk("HCI_OP_CREATE_CONN_CANCEL"); + break; + case HCI_OP_ACCEPT_CONN_REQ: + printk("HCI_OP_ACCEPT_CONN_REQ"); + break; + case HCI_OP_REJECT_CONN_REQ: + printk("HCI_OP_REJECT_CONN_REQ"); + break; + case HCI_OP_AUTH_REQUESTED: + printk("HCI_OP_AUTH_REQUESTED"); + break; + case HCI_OP_SET_CONN_ENCRYPT: + printk("HCI_OP_SET_CONN_ENCRYPT"); + break; + case HCI_OP_REMOTE_NAME_REQ: + printk("HCI_OP_REMOTE_NAME_REQ"); + break; + case HCI_OP_READ_REMOTE_FEATURES: + printk("HCI_OP_READ_REMOTE_FEATURES"); + break; + case HCI_OP_SNIFF_MODE: + printk("HCI_OP_SNIFF_MODE"); + break; + case HCI_OP_EXIT_SNIFF_MODE: + printk("HCI_OP_EXIT_SNIFF_MODE"); + break; + case HCI_OP_SWITCH_ROLE: + printk("HCI_OP_SWITCH_ROLE"); + break; + case HCI_OP_SNIFF_SUBRATE: + printk("HCI_OP_SNIFF_SUBRATE"); + break; + case HCI_OP_RESET: + printk("HCI_OP_RESET"); + break; + case HCI_OP_Write_Extended_Inquiry_Response: + printk("HCI_Write_Extended_Inquiry_Response"); + break; + + default: + printk("CMD"); + break; + } + printk(":%04x,len:%d,", *opcode,len); + for (icount = 3; (icount < wlength) && (icount < 24); icount++) + printk("%02x ", *(cmd_data+icount)); + printk("\n"); +} + +static void print_command(struct sk_buff *skb) +{ +#if PRINT_CMD_EVENT + print_error_command(skb); +#endif +} + +#if CONFIG_BLUEDROID +/* Global parameters for bt usb char driver */ +#define BT_CHAR_DEVICE_NAME "rtkbt_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 bool bt_char_dev_registered; +static dev_t bt_devid; /* bt char device number */ +static struct cdev bt_char_dev; /* bt character device structure */ +static struct class *bt_char_class; /* device class for usb char driver */ +static int bt_reset = 0; +/* HCI device & lock */ +DEFINE_RWLOCK(hci_dev_lock); +struct hci_dev *ghdev = NULL; + +static void print_event(struct sk_buff *skb) +{ +#if PRINT_CMD_EVENT + uint wlength = skb->len; + uint icount = 0; + u8 *opcode = (u8*)(skb->data); + u8 len = *(opcode+1); + + switch (*opcode) { + case HCI_EV_INQUIRY_COMPLETE: + printk("HCI_EV_INQUIRY_COMPLETE"); + break; + case HCI_EV_INQUIRY_RESULT: + printk("HCI_EV_INQUIRY_RESULT"); + break; + case HCI_EV_CONN_COMPLETE: + printk("HCI_EV_CONN_COMPLETE"); + break; + case HCI_EV_CONN_REQUEST: + printk("HCI_EV_CONN_REQUEST"); + break; + case HCI_EV_DISCONN_COMPLETE: + printk("HCI_EV_DISCONN_COMPLETE"); + break; + case HCI_EV_AUTH_COMPLETE: + printk("HCI_EV_AUTH_COMPLETE"); + break; + case HCI_EV_REMOTE_NAME: + printk("HCI_EV_REMOTE_NAME"); + break; + case HCI_EV_ENCRYPT_CHANGE: + printk("HCI_EV_ENCRYPT_CHANGE"); + break; + case HCI_EV_CHANGE_LINK_KEY_COMPLETE: + printk("HCI_EV_CHANGE_LINK_KEY_COMPLETE"); + break; + case HCI_EV_REMOTE_FEATURES: + printk("HCI_EV_REMOTE_FEATURES"); + break; + case HCI_EV_REMOTE_VERSION: + printk("HCI_EV_REMOTE_VERSION"); + break; + case HCI_EV_QOS_SETUP_COMPLETE: + printk("HCI_EV_QOS_SETUP_COMPLETE"); + break; + case HCI_EV_CMD_COMPLETE: + printk("HCI_EV_CMD_COMPLETE"); + break; + case HCI_EV_CMD_STATUS: + printk("HCI_EV_CMD_STATUS"); + break; + case HCI_EV_ROLE_CHANGE: + printk("HCI_EV_ROLE_CHANGE"); + break; + case HCI_EV_NUM_COMP_PKTS: + printk("HCI_EV_NUM_COMP_PKTS"); + break; + case HCI_EV_MODE_CHANGE: + printk("HCI_EV_MODE_CHANGE"); + break; + case HCI_EV_PIN_CODE_REQ: + printk("HCI_EV_PIN_CODE_REQ"); + break; + case HCI_EV_LINK_KEY_REQ: + printk("HCI_EV_LINK_KEY_REQ"); + break; + case HCI_EV_LINK_KEY_NOTIFY: + printk("HCI_EV_LINK_KEY_NOTIFY"); + break; + case HCI_EV_CLOCK_OFFSET: + printk("HCI_EV_CLOCK_OFFSET"); + break; + case HCI_EV_PKT_TYPE_CHANGE: + printk("HCI_EV_PKT_TYPE_CHANGE"); + break; + case HCI_EV_PSCAN_REP_MODE: + printk("HCI_EV_PSCAN_REP_MODE"); + break; + case HCI_EV_INQUIRY_RESULT_WITH_RSSI: + printk("HCI_EV_INQUIRY_RESULT_WITH_RSSI"); + break; + case HCI_EV_REMOTE_EXT_FEATURES: + printk("HCI_EV_REMOTE_EXT_FEATURES"); + break; + case HCI_EV_SYNC_CONN_COMPLETE: + printk("HCI_EV_SYNC_CONN_COMPLETE"); + break; + case HCI_EV_SYNC_CONN_CHANGED: + printk("HCI_EV_SYNC_CONN_CHANGED"); + break; + case HCI_EV_SNIFF_SUBRATE: + printk("HCI_EV_SNIFF_SUBRATE"); + break; + case HCI_EV_EXTENDED_INQUIRY_RESULT: + printk("HCI_EV_EXTENDED_INQUIRY_RESULT"); + break; + case HCI_EV_IO_CAPA_REQUEST: + printk("HCI_EV_IO_CAPA_REQUEST"); + break; + case HCI_EV_SIMPLE_PAIR_COMPLETE: + printk("HCI_EV_SIMPLE_PAIR_COMPLETE"); + break; + case HCI_EV_REMOTE_HOST_FEATURES: + printk("HCI_EV_REMOTE_HOST_FEATURES"); + break; + default: + printk("event"); + break; + } + printk(":%02x,len:%d,", *opcode,len); + for (icount = 2; (icount < wlength) && (icount < 24); icount++) + printk("%02x ", *(opcode+icount)); + printk("\n"); +#endif +} + +static inline ssize_t usb_put_user(struct sk_buff *skb, + char __user *buf, int count) +{ + char __user *ptr = buf; + int len = min_t(unsigned int, skb->len, count); + + if (copy_to_user(ptr, skb->data, len)) + return -EFAULT; + + return len; +} + +static struct sk_buff *rtk_skb_queue[QUEUE_SIZE]; +static int rtk_skb_queue_front = 0; +static int rtk_skb_queue_rear = 0; + +static void rtk_enqueue(struct sk_buff *skb) +{ + unsigned long flags; + spin_lock_irqsave(&queue_lock, flags); + if (rtk_skb_queue_front == (rtk_skb_queue_rear + 1) % QUEUE_SIZE) { + /* + * If queue is full, current solution is to drop + * the following entries. + */ + RTKBT_WARN("%s: Queue is full, entry will be dropped", __func__); + } else { + rtk_skb_queue[rtk_skb_queue_rear] = skb; + + rtk_skb_queue_rear++; + rtk_skb_queue_rear %= QUEUE_SIZE; + + } + spin_unlock_irqrestore(&queue_lock, flags); +} + +static struct sk_buff *rtk_dequeue_try(unsigned int deq_len) +{ + struct sk_buff *skb; + struct sk_buff *skb_copy; + + if (rtk_skb_queue_front == rtk_skb_queue_rear) { + RTKBT_WARN("%s: Queue is empty", __func__); + return NULL; + } + + skb = rtk_skb_queue[rtk_skb_queue_front]; + if (deq_len >= skb->len) { + rtk_skb_queue[rtk_skb_queue_front] = NULL; + rtk_skb_queue_front++; + rtk_skb_queue_front %= QUEUE_SIZE; + + /* + * Return skb addr to be dequeued, and the caller + * should free the skb eventually. + */ + return skb; + } else { + skb_copy = pskb_copy(skb, GFP_ATOMIC); + skb_pull(skb, deq_len); + /* Return its copy to be freed */ + return skb_copy; + } +} + +static inline int is_queue_empty(void) +{ + return (rtk_skb_queue_front == rtk_skb_queue_rear) ? 1 : 0; +} + +static void rtk_clear_queue(void) +{ + struct sk_buff *skb; + unsigned long flags; + spin_lock_irqsave(&queue_lock, flags); + while(!is_queue_empty()) { + skb = rtk_skb_queue[rtk_skb_queue_front]; + rtk_skb_queue[rtk_skb_queue_front] = NULL; + rtk_skb_queue_front++; + rtk_skb_queue_front %= QUEUE_SIZE; + if (skb) { + kfree_skb(skb); + } + } + spin_unlock_irqrestore(&queue_lock, flags); +} + +/* + * Realtek - Integrate from hci_core.c + */ + +/* Get HCI device by index. + * Device is held on return. */ +static struct hci_dev *hci_dev_get(int index) +{ + if (index != 0) + return NULL; + + return ghdev; +} + +/* ---- HCI ioctl helpers ---- */ +static int hci_dev_open(__u16 dev) +{ + struct hci_dev *hdev; + int ret = 0; + + RTKBT_DBG("%s: dev %d", __func__, dev); + + hdev = hci_dev_get(dev); + if (!hdev) { + RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__); + return -ENODEV; + } + + if (test_bit(HCI_UNREGISTER, &hdev->dev_flags)) { + ret = -ENODEV; + goto done; + } + + if (test_bit(HCI_UP, &hdev->flags)) { + ret = -EALREADY; + goto done; + } + +done: + return ret; +} + +static int hci_dev_do_close(struct hci_dev *hdev) +{ + if (hdev->flush) + hdev->flush(hdev); + /* After this point our queues are empty + * and no tasks are scheduled. */ + hdev->close(hdev); + /* Clear flags */ + hdev->flags = 0; + memset(&hdev->conn_hash, 0, sizeof(struct hci_conn_hash)); + return 0; +} + +static int hci_dev_close(__u16 dev) +{ + struct hci_dev *hdev; + int err; + hdev = hci_dev_get(dev); + if (!hdev) { + RTKBT_ERR("%s: failed to get hci dev[Null]", __func__); + return -ENODEV; + } + + err = hci_dev_do_close(hdev); + + return err; +} + +static struct hci_dev *hci_alloc_dev(void) +{ + struct hci_dev *hdev; + + hdev = kzalloc(sizeof(struct hci_dev), GFP_KERNEL); + if (!hdev) + return NULL; + + return hdev; +} + +/* Free HCI device */ +static void hci_free_dev(struct hci_dev *hdev) +{ + kfree(hdev); +} + +/* Register HCI device */ +static int hci_register_dev(struct hci_dev *hdev) +{ + int i, id; + + RTKBT_DBG("%s: %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus); + /* Do not allow HCI_AMP devices to register at index 0, + * so the index can be used as the AMP controller ID. + */ + id = (hdev->dev_type == HCI_BREDR) ? 0 : 1; + + write_lock(&hci_dev_lock); + + sprintf(hdev->name, "hci%d", id); + hdev->id = id; + hdev->flags = 0; + hdev->dev_flags = 0; + mutex_init(&hdev->lock); + + RTKBT_DBG("%s: id %d, name %s", __func__, hdev->id, hdev->name); + + + for (i = 0; i < NUM_REASSEMBLY; i++) + hdev->reassembly[i] = NULL; + + memset(&hdev->stat, 0, sizeof(struct hci_dev_stats)); + atomic_set(&hdev->promisc, 0); + + if (ghdev) { + write_unlock(&hci_dev_lock); + RTKBT_ERR("%s: Hci device has been registered already", __func__); + return -1; + } else + ghdev = hdev; + + write_unlock(&hci_dev_lock); + + return id; +} + +/* Unregister HCI device */ +static void hci_unregister_dev(struct hci_dev *hdev) +{ + int i; + + RTKBT_DBG("%s: hdev %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus); + set_bit(HCI_UNREGISTER, &hdev->dev_flags); + + write_lock(&hci_dev_lock); + ghdev = NULL; + write_unlock(&hci_dev_lock); + + hci_dev_do_close(hdev); + for (i = 0; i < NUM_REASSEMBLY; i++) + kfree_skb(hdev->reassembly[i]); +} + + +#ifdef CONFIG_SCO_OVER_HCI +/* copy data from the URB buffer into the ALSA ring buffer */ +static bool rtk_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; + RTK_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); + RTK_sco_card_t *pSCOSnd = data->pSCOSnd; + uint8_t* p_data; + int sco_length = skb->len - HCI_SCO_HDR_SIZE; + + RTKBT_DBG("%s", __func__); + + if (!hdev) { + RTKBT_ERR("%s: Frame for unknown HCI device", __func__); + return; + } + + if (!test_bit(ALSA_CAPTURE_RUNNING, &pSCOSnd->states)) { + //RTKBT_WARN("%s: ALSA is not running", __func__); + return; + } + + p_data = (uint8_t *)skb->data + HCI_SCO_HDR_SIZE; + rtk_copy_capture_data_to_alsa(data, p_data, sco_length/2); +} + +#endif + +static void hci_send_to_stack(struct hci_dev *hdev, struct sk_buff *skb) +{ + struct sk_buff *rtk_skb_copy = NULL; + + RTKBT_DBG("%s", __func__); + + if (!hdev) { + RTKBT_ERR("%s: Frame for unknown HCI device", __func__); + return; + } + + if (!test_bit(HCI_RUNNING, &hdev->flags)) { + RTKBT_ERR("%s: HCI not running", __func__); + return; + } + + rtk_skb_copy = pskb_copy(skb, GFP_ATOMIC); + if (!rtk_skb_copy) { + RTKBT_ERR("%s: Copy skb error", __func__); + return; + } + + memcpy(skb_push(rtk_skb_copy, 1), &bt_cb(skb)->pkt_type, 1); + rtk_enqueue(rtk_skb_copy); + + /* Make sure bt char device existing before wakeup read queue */ + hdev = hci_dev_get(0); + if (hdev) { + RTKBT_DBG("%s: Try to wakeup read queue", __func__); + wake_up_interruptible(&btchr_read_wait); + } + + return; +} + +/* Receive frame from HCI drivers */ +static int hci_recv_frame(struct sk_buff *skb) +{ + struct hci_dev *hdev = (struct hci_dev *) skb->dev; + + if (!hdev || + (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) { + kfree_skb(skb); + return -ENXIO; + } + + /* Incomming skb */ + bt_cb(skb)->incoming = 1; + + /* Time stamp */ + __net_timestamp(skb); + + if (atomic_read(&hdev->promisc)) { +#ifdef CONFIG_SCO_OVER_HCI + if(bt_cb(skb)->pkt_type == HCI_SCODATA_PKT) + hci_send_to_alsa_ringbuffer(hdev, skb); +#endif + /* Send copy to the sockets */ + hci_send_to_stack(hdev, skb); + } + + kfree_skb(skb); + return 0; +} + +/* Receive frame from HCI drivers */ +static int hci_recv_sco_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); +#endif + /* Send copy to the sockets */ + hci_send_to_stack(hdev, skb); + } + + kfree_skb(skb); + return 0; +} + +static int hci_reassembly(struct hci_dev *hdev, int type, void *data, + int count, __u8 index) +{ + int len = 0; + int hlen = 0; + int remain = count; + struct sk_buff *skb; + struct bt_skb_cb *scb; + + RTKBT_DBG("%s", __func__); + + if ((type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) || + index >= NUM_REASSEMBLY) + return -EILSEQ; + + skb = hdev->reassembly[index]; + + if (!skb) { + switch (type) { + case HCI_ACLDATA_PKT: + len = HCI_MAX_FRAME_SIZE; + hlen = HCI_ACL_HDR_SIZE; + break; + case HCI_EVENT_PKT: + len = HCI_MAX_EVENT_SIZE; + hlen = HCI_EVENT_HDR_SIZE; + break; + case HCI_SCODATA_PKT: + len = HCI_MAX_SCO_SIZE; + hlen = HCI_SCO_HDR_SIZE; + break; + } + + skb = bt_skb_alloc(len, GFP_ATOMIC); + if (!skb) + return -ENOMEM; + + scb = (void *) skb->cb; + scb->expect = hlen; + scb->pkt_type = type; + + skb->dev = (void *) hdev; + hdev->reassembly[index] = skb; + + } + + while (count) { + scb = (void *) skb->cb; + len = min_t(uint, scb->expect, count); + + memcpy(skb_put(skb, len), data, len); + + count -= len; + data += len; + scb->expect -= len; + remain = count; + + switch (type) { + case HCI_EVENT_PKT: + if (skb->len == HCI_EVENT_HDR_SIZE) { + struct hci_event_hdr *h = hci_event_hdr(skb); + scb->expect = h->plen; + + if (skb_tailroom(skb) < scb->expect) { + kfree_skb(skb); + hdev->reassembly[index] = NULL; + return -ENOMEM; + } + } + break; + + case HCI_ACLDATA_PKT: + if (skb->len == HCI_ACL_HDR_SIZE) { + struct hci_acl_hdr *h = hci_acl_hdr(skb); + scb->expect = __le16_to_cpu(h->dlen); + + if (skb_tailroom(skb) < scb->expect) { + kfree_skb(skb); + hdev->reassembly[index] = NULL; + return -ENOMEM; + } + } + break; + + case HCI_SCODATA_PKT: + if (skb->len == HCI_SCO_HDR_SIZE) { + struct hci_sco_hdr *h = hci_sco_hdr(skb); + scb->expect = h->dlen; + + if (skb_tailroom(skb) < scb->expect) { + kfree_skb(skb); + hdev->reassembly[index] = NULL; + return -ENOMEM; + } + } + break; + } + + if (scb->expect == 0) { + /* Complete frame */ + if(HCI_ACLDATA_PKT == type) + print_acl(skb,0); + if(HCI_SCODATA_PKT == type) + print_sco(skb,0); + if(HCI_EVENT_PKT == type) + print_event(skb); + + bt_cb(skb)->pkt_type = type; + if(type == HCI_SCODATA_PKT) { + hci_recv_sco_frame(skb); + } + else + hci_recv_frame(skb); + + hdev->reassembly[index] = NULL; + return remain; + } + } + + return remain; +} + +static int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count) +{ + int rem = 0; + + if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) + return -EILSEQ; + + while (count) { + rem = hci_reassembly(hdev, type, data, count, type - 1); + if (rem < 0) + return rem; + + data += (count - rem); + count = rem; + } + + return rem; +} + +void hci_hardware_error(void) +{ + struct sk_buff *rtk_skb_copy = NULL; + int len = 4; + uint8_t hardware_err_pkt[4] = {HCI_EVENT_PKT, 0x10, 0x01, HCI_VENDOR_USB_DISC_HARDWARE_ERROR}; + + rtk_skb_copy = alloc_skb(len, GFP_ATOMIC); + if (!rtk_skb_copy) { + RTKBT_ERR("%s: Failed to allocate mem", __func__); + return; + } + + memcpy(skb_put(rtk_skb_copy, len), hardware_err_pkt, len); + rtk_enqueue(rtk_skb_copy); + + wake_up_interruptible(&btchr_read_wait); +} + +static int btchr_open(struct inode *inode_p, struct file *file_p) +{ + struct btusb_data *data; + struct hci_dev *hdev; + struct sk_buff *skb; + int i; + + RTKBT_INFO("%s: BT usb char device is opening", __func__); + /* Not open unless wanna tracing log */ + /* trace_printk("%s: open....\n", __func__); */ + + hdev = hci_dev_get(0); + if (!hdev) { + RTKBT_ERR("%s: Failed to get hci dev[NULL]", __func__); + return -ENODEV; + } + data = GET_DRV_DATA(hdev); + + atomic_inc(&hdev->promisc); + /* + * As bt device is not re-opened when hotplugged out, we cannot + * trust on file's private data(may be null) when other file ops + * are invoked. + */ + file_p->private_data = data; + + mutex_lock(&btchr_mutex); + hci_dev_open(0); + mutex_unlock(&btchr_mutex); + + rtk_clear_queue(); + for(i = 0; i < NUM_REASSEMBLY; i++) { + skb = hdev->reassembly[i]; + if(skb) { + hdev->reassembly[i] = NULL; + kfree_skb(skb); + } + } + return nonseekable_open(inode_p, file_p); +} + +static int btchr_close(struct inode *inode_p, struct file *file_p) +{ + struct btusb_data *data; + struct hci_dev *hdev; + + RTKBT_INFO("%s: BT usb char device is closing", __func__); + /* Not open unless wanna tracing log */ + /* trace_printk("%s: close....\n", __func__); */ + + data = file_p->private_data; + file_p->private_data = NULL; + +#if CONFIG_BLUEDROID + /* + * If the upper layer closes bt char interfaces, no reset + * action required even bt device hotplugged out. + */ + bt_reset = 0; +#endif + + hdev = hci_dev_get(0); + if (hdev) { + atomic_set(&hdev->promisc, 0); + mutex_lock(&btchr_mutex); + hci_dev_close(0); + mutex_unlock(&btchr_mutex); + } + + return 0; +} + +static ssize_t btchr_read(struct file *file_p, + char __user *buf_p, + size_t count, + loff_t *pos_p) +{ + struct hci_dev *hdev; + struct sk_buff *skb; + ssize_t ret = 0; + + RTKBT_DBG("%s: BT usb char device is reading", __func__); + + while (count) { + hdev = hci_dev_get(0); + if (!hdev) { + /* + * Note: Only when BT device hotplugged out, we wil get + * into such situation. In order to keep the upper layer + * stack alive (blocking the read), we should never return + * EFAULT or break the loop. + */ + RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__); + } + + ret = wait_event_interruptible(btchr_read_wait, !is_queue_empty()); + if (ret < 0) { + //RTKBT_ERR("%s: wait event is signaled %d", __func__, ret); + break; + } + + skb = rtk_dequeue_try(count); + if (skb) { + ret = usb_put_user(skb, buf_p, count); + if (ret < 0) + RTKBT_ERR("%s: Failed to put data to user space", __func__); + kfree_skb(skb); + break; + } + } + + return ret; +} + +static ssize_t btchr_write(struct file *file_p, + const char __user *buf_p, + size_t count, + loff_t *pos_p) +{ + struct btusb_data *data = file_p->private_data; + struct hci_dev *hdev; + struct sk_buff *skb; + + RTKBT_DBG("%s: BT usb char device is writing", __func__); + + hdev = hci_dev_get(0); + if (!hdev) { + RTKBT_WARN("%s: Failed to get hci dev[Null]", __func__); + /* + * Note: we bypass the data from the upper layer if bt device + * is hotplugged out. Fortunatelly, H4 or H5 HCI stack does + * NOT check btchr_write's return value. However, returning + * count instead of EFAULT is preferable. + */ + /* return -EFAULT; */ + return count; + } + + /* Never trust on btusb_data, as bt device may be hotplugged out */ + data = GET_DRV_DATA(hdev); + if (!data) { + RTKBT_WARN("%s: Failed to get bt usb driver data[Null]", __func__); + return count; + } + + if (count > HCI_MAX_FRAME_SIZE) + return -EINVAL; + + skb = bt_skb_alloc(count, GFP_ATOMIC); + if (!skb) + return -ENOMEM; + skb_reserve(skb, -1); // Add this line + + if (copy_from_user(skb_put(skb, count), buf_p, count)) { + RTKBT_ERR("%s: Failed to get data from user space", __func__); + kfree_skb(skb); + return -EFAULT; + } + + skb->dev = (void *)hdev; + bt_cb(skb)->pkt_type = *((__u8 *)skb->data); + skb_pull(skb, 1); + data->hdev->send(skb); + + return count; +} + +static unsigned int btchr_poll(struct file *file_p, poll_table *wait) +{ + struct btusb_data *data = file_p->private_data; + struct hci_dev *hdev; + + RTKBT_DBG("%s: BT usb char device is polling", __func__); + + if(!bt_char_dev_registered) { + RTKBT_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) { + RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__); + mdelay(URB_CANCELING_DELAY_MS); + return POLLOUT | POLLWRNORM; + } + + /* Never trust on btusb_data, as bt device may be hotplugged out */ + data = GET_DRV_DATA(hdev); + if (!data) { + /* + * When bt device is hotplugged out, btusb_data will + * be freed in disconnect. + */ + RTKBT_ERR("%s: Failed to get bt usb driver data[Null]", __func__); + mdelay(URB_CANCELING_DELAY_MS); + return POLLOUT | POLLWRNORM; + } + + if (!is_queue_empty()) + return POLLIN | POLLRDNORM; + + return POLLOUT | POLLWRNORM; +} +static long btchr_ioctl(struct file *file_p, unsigned int cmd, unsigned long arg){ + int ret = 0; + struct hci_dev *hdev; + struct btusb_data *data; + firmware_info *fw_info; + + if(!bt_char_dev_registered) { + return -ENODEV; + } + + if(check_set_dlfw_state_value(1) != 1) { + RTKBT_ERR("%s bt controller is disconnecting!", __func__); + return 0; + } + + hdev = hci_dev_get(0); + if(!hdev) { + RTKBT_ERR("%s device is NULL!", __func__); + set_dlfw_state_value(0); + return 0; + } + data = GET_DRV_DATA(hdev); + fw_info = data->fw_info; + + RTKBT_INFO(" btchr_ioctl DOWN_FW_CFG with Cmd:%d",cmd); + switch (cmd) { + case DOWN_FW_CFG: + ret = usb_autopm_get_interface(data->intf); + if (ret < 0){ + goto failed; + } + + ret = download_patch(fw_info,1); + usb_autopm_put_interface(data->intf); + if(ret < 0){ + RTKBT_ERR("%s:Failed in download_patch with ret:%d",__func__,ret); + goto failed; + } + + ret = hdev->open(hdev); + if(ret < 0){ + RTKBT_ERR("%s:Failed in hdev->open(hdev):%d",__func__,ret); + goto failed; + } + set_bit(HCI_UP, &hdev->flags); + set_dlfw_state_value(0); + wake_up_interruptible(&bt_dlfw_wait); + return 1; + +#ifdef CONFIG_SCO_OVER_HCI + case SET_ISO_CFG: + if(get_user(hdev->voice_setting, (__u16 __user*)arg)) { + ret = -EFAULT; + } + RTKBT_INFO(" voice settings = 0x%04x", hdev->voice_setting); + return ret; +#endif + + case GET_USB_INFO: + ret = hdev->open(hdev); + if(ret < 0){ + RTKBT_ERR("%s:Failed in hdev->open(hdev):%d",__func__,ret); + //goto done; + } + set_bit(HCI_UP, &hdev->flags); + return usb_info; + case RESET_CONTROLLER: + reset_controller(fw_info); + return 1; + + case DWFW_CMPLT: + set_dlfw_state_value(0); + wake_up_interruptible(&bt_dlfw_wait); + return 1; + +#ifdef CONFIG_SCO_OVER_HCI + case SET_ISO_CFG: + hdev->voice_setting = *(__u16 *)arg; + RTKBT_INFO(" voice settings = 0x%04x", hdev->voice_setting); + return 1; +#endif + default: + RTKBT_ERR("%s:Failed with wrong Cmd:%d",__func__,cmd); + goto failed; + } + failed: + set_dlfw_state_value(0); + wake_up_interruptible(&bt_dlfw_wait); + return ret; + +} + + + +static struct file_operations bt_chrdev_ops = { + open : btchr_open, + release : btchr_close, + read : btchr_read, + write : btchr_write, + poll : btchr_poll, + unlocked_ioctl : btchr_ioctl, +}; + +static int btchr_init(void) +{ + int res = 0; + struct device *dev; + + RTKBT_INFO("Register usb char device interface for BT driver"); + /* + * btchr mutex is used to sync between + * 1) downloading patch and opening bt char driver + * 2) the file operations of bt char driver + */ + mutex_init(&btchr_mutex); + + skb_queue_head_init(&btchr_readq); + init_waitqueue_head(&btchr_read_wait); + init_waitqueue_head(&bt_dlfw_wait); + + bt_char_class = class_create(THIS_MODULE, BT_CHAR_DEVICE_NAME); + if (IS_ERR(bt_char_class)) { + RTKBT_ERR("Failed to create bt char class"); + return PTR_ERR(bt_char_class); + } + + res = alloc_chrdev_region(&bt_devid, 0, 1, BT_CHAR_DEVICE_NAME); + if (res < 0) { + RTKBT_ERR("Failed to allocate bt char device"); + goto err_alloc; + } + + dev = device_create(bt_char_class, NULL, bt_devid, NULL, BT_CHAR_DEVICE_NAME); + if (IS_ERR(dev)) { + RTKBT_ERR("Failed to create bt char device"); + res = PTR_ERR(dev); + goto err_create; + } + + cdev_init(&bt_char_dev, &bt_chrdev_ops); + res = cdev_add(&bt_char_dev, bt_devid, 1); + if (res < 0) { + RTKBT_ERR("Failed to add bt char device"); + goto err_add; + } + + return 0; + +err_add: + device_destroy(bt_char_class, bt_devid); +err_create: + unregister_chrdev_region(bt_devid, 1); +err_alloc: + class_destroy(bt_char_class); + return res; +} + +static void btchr_exit(void) +{ + RTKBT_INFO("Unregister usb char device interface for BT driver"); + + device_destroy(bt_char_class, bt_devid); + cdev_del(&bt_char_dev); + unregister_chrdev_region(bt_devid, 1); + class_destroy(bt_char_class); + + return; +} +#endif + +int send_hci_cmd(firmware_info *fw_info) +{ + int i = 0; + int ret_val = -1; + while((ret_val<0)&&(i++<10)) + { + ret_val = usb_control_msg( + fw_info->udev, fw_info->pipe_out, + 0, USB_TYPE_CLASS, 0, 0, + (void *)(fw_info->send_pkt), + fw_info->pkt_len, MSG_TO); + } + return ret_val; +} + +int rcv_hci_evt(firmware_info *fw_info) +{ + int ret_len = 0, ret_val = 0; + int i; + + while (1) { + for(i = 0; i < 5; i++) { + ret_val = usb_interrupt_msg( + fw_info->udev, fw_info->pipe_in, + (void *)(fw_info->rcv_pkt), PKT_LEN, + &ret_len, MSG_TO); + if (ret_val >= 0) + break; + } + + if (ret_val < 0) + return ret_val; + + if (CMD_CMP_EVT == fw_info->evt_hdr->evt) { + if (fw_info->cmd_hdr->opcode == fw_info->cmd_cmp->opcode) + return ret_len; + } + } +} + +int set_bt_onoff(firmware_info *fw_info, uint8_t onoff) +{ + patch_info *patch_entry; + int ret_val; + + RTKBT_INFO("%s: %s", __func__, onoff != 0 ? "on" : "off"); + + patch_entry = fw_info->patch_entry; + if (!patch_entry) + return -1; + + fw_info->cmd_hdr->opcode = cpu_to_le16(BTOFF_OPCODE); + fw_info->cmd_hdr->plen = 1; + fw_info->pkt_len = CMD_HDR_LEN + 1; + fw_info->send_pkt[CMD_HDR_LEN] = onoff; + + ret_val = send_hci_cmd(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to send bt %s cmd, errno %d", + __func__, onoff != 0 ? "on" : "off", ret_val); + return ret_val; + } + + ret_val = rcv_hci_evt(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to receive bt %s event, errno %d", + __func__, onoff != 0 ? "on" : "off", ret_val); + return ret_val; + } + + return ret_val; +} + +static patch_info *get_fw_table_entry(struct usb_device* udev) +{ + patch_info *patch_entry = fw_patch_table; + uint16_t vid = le16_to_cpu(udev->descriptor.idVendor); + uint16_t pid = le16_to_cpu(udev->descriptor.idProduct); + uint32_t entry_size = sizeof(fw_patch_table) / sizeof(fw_patch_table[0]); + uint32_t i; + + RTKBT_INFO("%s: Product id = 0x%04x, fw table entry size %d", __func__, pid, entry_size); + usb_info = (uint32_t)(vid<<16) | pid; + + for (i = 0; i < entry_size; i++, patch_entry++) { + if ((vid == patch_entry->vid)&&(pid == patch_entry->pid)) + break; + } + + if (i == entry_size) { + RTKBT_ERR("%s: No fw table entry found", __func__); + return NULL; + } + + return patch_entry; +} + +#if SUSPNED_DW_FW +static patch_info *get_suspend_fw_table_entry(struct usb_device* udev) +{ + patch_info *patch_entry = fw_patch_table; + patch_info *patch_entry_real = NULL; + uint16_t vid = le16_to_cpu(udev->descriptor.idVendor); + uint16_t pid = le16_to_cpu(udev->descriptor.idProduct); + uint32_t entry_size = sizeof(fw_patch_table) / sizeof(fw_patch_table[0]); + uint32_t i; + + RTKBT_INFO("%s: Product id = 0x%04x, fw table entry size %d", __func__, pid, entry_size); + + for (i = 0; i < entry_size; i++, patch_entry++) { + if ((vid == patch_entry->vid)&&(pid == patch_entry->pid)) + break; + } + + if (i == entry_size) { + RTKBT_ERR("%s: No fw table entry found", __func__); + return NULL; + } + patch_entry_real = kmalloc(sizeof(fw_patch_table[0]), GFP_KERNEL); + if(!patch_entry_real) + return NULL; + memcpy(patch_entry_real, patch_entry, sizeof(fw_patch_table[0])); + return patch_entry_real; +} +#endif + +static struct rtk_epatch_entry *get_fw_patch_entry(struct rtk_epatch *epatch_info, uint16_t eco_ver) +{ + int patch_num = epatch_info->number_of_total_patch; + uint8_t *epatch_buf = (uint8_t *)epatch_info; + struct rtk_epatch_entry *p_entry = NULL; + int coex_date; + int coex_ver; + int i; + + for (i = 0; i < patch_num; i++) { + if (*(uint16_t *)(epatch_buf + 14 + 2*i) == eco_ver + 1) { + p_entry = kzalloc(sizeof(*p_entry), GFP_KERNEL); + if (!p_entry) { + RTKBT_ERR("%s: Failed to allocate mem for patch entry", __func__); + return NULL; + } + p_entry->chip_id = eco_ver + 1; + p_entry->patch_length = *(uint16_t*)(epatch_buf + 14 + 2*patch_num + 2*i); + p_entry->start_offset = *(uint32_t*)(epatch_buf + 14 + 4*patch_num + 4*i); + p_entry->coex_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 12); + p_entry->svn_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 8); + p_entry->fw_version = *(uint32_t*)(epatch_buf + p_entry->start_offset + p_entry->patch_length - 4); + + coex_date = ((p_entry->coex_version >> 16) & 0x7ff) + ((p_entry->coex_version >> 27) * 10000); + coex_ver = p_entry->coex_version & 0xffff; + + RTKBT_INFO("BTCOEX:20%06d-0x%04x svn version:0x%08x fw version:0x%08x rtk_btusb version:%s Cut:%d, patch length:0x%04x, patch offset:0x%08x\n", \ + coex_date, coex_ver, p_entry->svn_version, p_entry->fw_version, VERSION, p_entry->chip_id, p_entry->patch_length, p_entry->start_offset); + break; + } + } + + return p_entry; +} + +/*reset_controller is aimed to reset_bt_fw before updata Fw patch*/ +int reset_controller(firmware_info* fw_info) +{ + int ret_val; + RTKBT_ERR("reset_controller"); + + if (!fw_info) + return -ENODEV; + + fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_FORCE_RESET_AND_PATCHABLE); + fw_info->cmd_hdr->plen = 0; + fw_info->pkt_len = CMD_HDR_LEN; + ret_val = send_hci_cmd(fw_info); + + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d", + __func__, fw_info->cmd_hdr->opcode, ret_val); + return ret_val; + } + + //sleep 1s for firmware reset. + msleep(1000); + RTKBT_INFO("%s: Wait fw reset for 1000ms",__func__); + + return ret_val; +} +/*reset_controller is aimed to reset_bt_fw before updata Fw patch*/ + +/* + * check the return value + * 1: need to download fw patch + * 0: no need to download fw patch + * <0: failed to check lmp version + */ +int check_fw_version(firmware_info* fw_info, bool resume_check) +{ + struct hci_rp_read_local_version *read_ver_rsp; + patch_info *patch_entry = NULL; + int ret_val = -1, i, ret_len = 0; + struct sk_buff *rtk_skb_copy = NULL; + unsigned char pkt_type = HCI_EVENT_PKT; + + fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_OP_READ_LOCAL_VERSION); + fw_info->cmd_hdr->plen = 0; + fw_info->pkt_len = CMD_HDR_LEN; + + ret_val = send_hci_cmd(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d", + __func__, fw_info->cmd_hdr->opcode, ret_val); + return ret_val; + } + + while (1) { + for(i = 0; i < 5; i++) { + ret_val = usb_interrupt_msg( + fw_info->udev, fw_info->pipe_in, + (void *)(fw_info->rcv_pkt), PKT_LEN, + &ret_len, MSG_TO); + if (ret_val >= 0) + break; + } + + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to receive hci event, errno %d", + __func__, ret_val); + return ret_val; + } + + if ((CMD_CMP_EVT == fw_info->evt_hdr->evt) && + (fw_info->cmd_hdr->opcode == fw_info->cmd_cmp->opcode)) { + break; + } + else if(resume_check) { + rtk_skb_copy = bt_skb_alloc((ret_len), GFP_ATOMIC); + if (!rtk_skb_copy) { + RTKBT_ERR("%s: Failed to allocate mem", __func__); + return 2; + } + + memcpy(skb_put(rtk_skb_copy, ret_len), fw_info->rcv_pkt, ret_len); + memcpy(skb_push(rtk_skb_copy, 1), &pkt_type, 1); + rtk_enqueue(rtk_skb_copy); + + rtk_skb_copy = NULL; + wake_up_interruptible(&btchr_read_wait); + } + } + + patch_entry = fw_info->patch_entry; + read_ver_rsp = (struct hci_rp_read_local_version *)(fw_info->rsp_para); + + RTKBT_INFO("%s: Controller lmp = 0x%04x, patch lmp = 0x%04x, default patch lmp = 0x%04x", + __func__, read_ver_rsp->lmp_subver, patch_entry->lmp_sub, patch_entry->lmp_sub_default); + + if (read_ver_rsp->lmp_subver == patch_entry->lmp_sub_default) { + RTKBT_INFO("%s: Cold BT controller startup", __func__); + + return 2; + + } else if (read_ver_rsp->lmp_subver != patch_entry->lmp_sub) { + RTKBT_INFO("%s: Warm BT controller startup with updated lmp", __func__); + return 1; + } else { + RTKBT_INFO("%s: Warm BT controller startup with same lmp", __func__); + return 0; + } +} + +#if SET_WAKEUP_DEVICE +int set_wakeup_device(firmware_info* fw_info, uint8_t* wakeup_bdaddr) +{ + struct rtk_eversion_evt *ever_evt; + int ret_val; + + if (!fw_info) + return -ENODEV; + + fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_ADD_WAKE_UP_DEVICE); + fw_info->cmd_hdr->plen = 7; + memcpy(fw_info->req_para, wakeup_bdaddr, 7); + fw_info->pkt_len = CMD_HDR_LEN + 7; + + ret_val = send_hci_cmd(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d\n", + __func__, fw_info->cmd_hdr->opcode, ret_val); + return ret_val; + } + + ret_val = rcv_hci_evt(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to receive hci event, errno %d\n",__func__, ret_val); + return ret_val; + } + + ever_evt = (struct rtk_eversion_evt *)(fw_info->rsp_para); + + RTKBT_DBG("%s: status %d, eversion %d", __func__, ever_evt->status, ever_evt->version); + return ret_val; +} +#endif + +/*reset_channel to recover the communication between wifi 8192eu with 8761 bt controller in case of geteversion error*/ + +int reset_channel(firmware_info* fw_info) +{ + struct rtk_reset_evt *ever_evt; + int ret_val; + + if (!fw_info) + return -ENODEV; + + fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_RESET); + fw_info->cmd_hdr->plen = 0; + fw_info->pkt_len = CMD_HDR_LEN; + + ret_val = send_hci_cmd(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d", + __func__, fw_info->cmd_hdr->opcode, ret_val); + return ret_val; + } + + ret_val = rcv_hci_evt(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to receive hci event, errno %d", + __func__, ret_val); + return ret_val; + } + + ever_evt = (struct rtk_reset_evt *)(fw_info->rsp_para); + + RTKBT_INFO("%s: status %d ", __func__, ever_evt->status); + + //sleep 300ms for channel reset. + msleep(300); + RTKBT_INFO("%s: Wait channel reset for 300ms",__func__); + + return ret_val; +} + +int read_localversion(firmware_info* fw_info) +{ + struct rtk_localversion_evt *ever_evt; + int ret_val; + + if (!fw_info) + return -ENODEV; + + fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_LMP_VERISION); + fw_info->cmd_hdr->plen = 0; + fw_info->pkt_len = CMD_HDR_LEN; + + ret_val = send_hci_cmd(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d", + __func__, fw_info->cmd_hdr->opcode, ret_val); + return ret_val; + } + + ret_val = rcv_hci_evt(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to receive hci event, errno %d", + __func__, ret_val); + return ret_val; + } + + ever_evt = (struct rtk_localversion_evt *)(fw_info->rsp_para); + + RTKBT_INFO("%s: status %d ", __func__, ever_evt->status); + RTKBT_INFO("%s: hci_version %d ", __func__, ever_evt->hci_version); + RTKBT_INFO("%s: hci_revision %d ", __func__, ever_evt->hci_revision); + RTKBT_INFO("%s: lmp_version %d ", __func__, ever_evt->lmp_version); + RTKBT_INFO("%s: lmp_subversion %d ", __func__, ever_evt->lmp_subversion); + RTKBT_INFO("%s: lmp_manufacture %d ", __func__, ever_evt->lmp_manufacture); + //sleep 300ms for channel reset. + msleep(300); + RTKBT_INFO("%s: Wait channel reset for 300ms",__func__); + + return ret_val; +} + +int get_eversion(firmware_info* fw_info) +{ + struct rtk_eversion_evt *ever_evt; + int ret_val; + + if (!fw_info) + return -ENODEV; + + fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_VENDOR_READ_RTK_ROM_VERISION); + fw_info->cmd_hdr->plen = 0; + fw_info->pkt_len = CMD_HDR_LEN; + + ret_val = send_hci_cmd(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d", + __func__, fw_info->cmd_hdr->opcode, ret_val); + return ret_val; + } + + ret_val = rcv_hci_evt(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to receive hci event, errno %d", + __func__, ret_val); + return ret_val; + } + + ever_evt = (struct rtk_eversion_evt *)(fw_info->rsp_para); + + RTKBT_INFO("%s: status %d, eversion %d", __func__, ever_evt->status, ever_evt->version); + + if (ever_evt->status) + fw_info->patch_entry->eversion = 0; + else + fw_info->patch_entry->eversion = ever_evt->version; + + return ret_val; +} + +void rtk_update_altsettings(patch_info *patch_entry, const unsigned char* org_config_buf, int org_config_len, unsigned char ** new_config_buf_ptr, int *new_config_len_ptr) +{ + static unsigned char config_buf[1024]; + unsigned short offset[256]; + unsigned char val[256]; + + struct rtk_bt_vendor_config* config = (struct rtk_bt_vendor_config*) config_buf; + struct rtk_bt_vendor_config_entry* entry = config->entry; + + int count = 0,temp = 0, i = 0, j; + + memset(config_buf, 0, sizeof(config_buf)); + memset(offset, 0, sizeof(offset)); + memset(val, 0, sizeof(val)); + + memcpy(config_buf, org_config_buf, org_config_len); + *new_config_buf_ptr = config_buf; + *new_config_len_ptr = org_config_len; + + count = getAltSettings(patch_entry, offset, sizeof(offset)/sizeof(unsigned short)); + if(count <= 0){ + RTKBT_INFO("rtk_update_altsettings: No AltSettings"); + return; + }else{ + RTKBT_INFO("rtk_update_altsettings: %d AltSettings", count); + } + + RTKBT_INFO("ORG Config len=%08x:\n", org_config_len); + for(i=0;i<=org_config_len;i+=0x10) + { + RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \ + config_buf[i], config_buf[i+1], config_buf[i+2], config_buf[i+3], config_buf[i+4], config_buf[i+5], config_buf[i+6], config_buf[i+7], \ + config_buf[i+8], config_buf[i+9], config_buf[i+10], config_buf[i+11], config_buf[i+12], config_buf[i+13], config_buf[i+14], config_buf[i+15]); + } + + if (config->data_len != org_config_len - sizeof(struct rtk_bt_vendor_config)) + { + //RTKBT_ERR("rtk_update_altsettings: config len(%x) is not right(%x)", config->data_len, org_config_len-sizeof(struct rtk_bt_vendor_config)); + return; + } + + for (i=0; idata_len;) + { + for(j = 0; j < count;j++) + { + if(entry->offset == offset[j]) + offset[j] = 0; + } + if(getAltSettingVal(patch_entry, entry->offset, val) == entry->entry_len){ + RTKBT_INFO("rtk_update_altsettings: replace %04x[%02x]", entry->offset, entry->entry_len); + memcpy(entry->entry_data, val, entry->entry_len); + } + temp = entry->entry_len + sizeof(struct rtk_bt_vendor_config_entry); + i += temp; + entry = (struct rtk_bt_vendor_config_entry*)((uint8_t*)entry + temp); + } + for(j = 0; j < count;j++){ + if(offset[j] == 0) + continue; + entry->entry_len = getAltSettingVal(patch_entry, offset[j], val); + if(entry->entry_len <= 0) + continue; + entry->offset = offset[j]; + memcpy(entry->entry_data, val, entry->entry_len); + RTKBT_INFO("rtk_update_altsettings: add %04x[%02x]", entry->offset, entry->entry_len); + temp = entry->entry_len + sizeof(struct rtk_bt_vendor_config_entry); + i += temp; + entry = (struct rtk_bt_vendor_config_entry*)((uint8_t*)entry + temp); + } + config->data_len = i; + *new_config_buf_ptr = config_buf; + *new_config_len_ptr = config->data_len+sizeof(struct rtk_bt_vendor_config); + + return; +} + +int load_firmware(firmware_info *fw_info, uint8_t **buff) +{ + const struct firmware *fw, *cfg; + struct usb_device *udev; + patch_info *patch_entry; + char *config_name, *fw_name; + int fw_len = 0; + int ret_val; + + int config_len = 0, buf_len = -1; + uint8_t *buf = *buff, *config_file_buf = NULL; + uint8_t *epatch_buf = NULL; + + struct rtk_epatch *epatch_info = NULL; + uint8_t need_download_fw = 1; + struct rtk_extension_entry patch_lmp = {0}; + struct rtk_epatch_entry *p_epatch_entry = NULL; + uint16_t lmp_version; + //uint8_t use_mp_fw = 0; + RTKBT_DBG("%s: start", __func__); + + udev = fw_info->udev; + patch_entry = fw_info->patch_entry; + lmp_version = patch_entry->lmp_sub_default; + config_name = patch_entry->config_name; +/* 1 Mptool Fw; 0 Normal Fw */ + if(DRV_MP_MODE == mp_drv_mode){ + fw_name = patch_entry->mp_patch_name; + }else{ + fw_name = patch_entry->patch_name; + } + + RTKBT_INFO("%s: Default lmp version = 0x%04x, config file name[%s], " + "fw file name[%s]", __func__, lmp_version,config_name, fw_name); + + ret_val = request_firmware(&cfg, config_name, &udev->dev); + if (ret_val < 0) + config_len = 0; + else { + int i; + rtk_update_altsettings(patch_entry, cfg->data, cfg->size, &config_file_buf, &config_len); + + RTKBT_INFO("Final Config len=%08x:\n", config_len); + for(i=0;i<=config_len;i+=0x10) + { + RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \ + config_file_buf[i], config_file_buf[i+1], config_file_buf[i+2], config_file_buf[i+3], config_file_buf[i+4], config_file_buf[i+5], config_file_buf[i+6], config_file_buf[i+7], \ + config_file_buf[i+8], config_file_buf[i+9], config_file_buf[i+10], config_file_buf[i+11], config_file_buf[i+12], config_file_buf[i+13], config_file_buf[i+14], config_file_buf[i+15]); + } + + release_firmware(cfg); + } + + ret_val = request_firmware(&fw, fw_name, &udev->dev); + if (ret_val < 0) + goto fw_fail; + else { + epatch_buf = vmalloc(fw->size); + RTKBT_INFO("%s: epatch_buf = vmalloc(fw->size, GFP_KERNEL)", __func__); + if (!epatch_buf) { + release_firmware(fw); + goto fw_fail; + } + memcpy(epatch_buf, fw->data, fw->size); + fw_len = fw->size; + buf_len = fw_len + config_len; + release_firmware(fw); + } + + if (lmp_version == ROM_LMP_8723a) { + RTKBT_DBG("%s: 8723a -> use old style patch", __func__); + if (!memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) { + RTKBT_ERR("%s: 8723a check signature error", __func__); + need_download_fw = 0; + } else { + if (!(buf = kzalloc(buf_len, GFP_KERNEL))) { + RTKBT_ERR("%s: Failed to allocate mem for fw&config", __func__); + buf_len = -1; + } else { + RTKBT_DBG("%s: 8723a -> fw copy directly", __func__); + memcpy(buf, epatch_buf, buf_len); + patch_entry->lmp_sub = *(uint16_t *)(buf + buf_len - config_len - 4); + RTKBT_DBG("%s: Config lmp version = 0x%04x", __func__, + patch_entry->lmp_sub); + vfree(epatch_buf); + RTKBT_INFO("%s:ROM_LMP_8723a vfree(epatch_buf)", __func__); + epatch_buf = NULL; + if (config_len) + memcpy(buf + buf_len - config_len, config_file_buf, config_len); + } + } + } else { + RTKBT_DBG("%s: Not 8723a -> use new style patch", __func__); + + RTKBT_DBG("%s: reset_channel before get_eversion from bt controller", __func__); + ret_val = reset_channel(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to reset_channel, errno %d", __func__, ret_val); + goto fw_fail; + } +// read_localversion(fw_info); + RTKBT_DBG("%s: get_eversion from bt controller", __func__); + + ret_val = get_eversion(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to get eversion, errno %d", __func__, ret_val); + goto fw_fail; + } + RTKBT_DBG("%s: Get eversion =%d", __func__, patch_entry->eversion); + if (memcmp(epatch_buf + buf_len - config_len - 4 , EXTENSION_SECTION_SIGNATURE, 4)) { + RTKBT_ERR("%s: Failed to check extension section signature", __func__); + need_download_fw = 0; + } else { + uint8_t *temp; + temp = epatch_buf+buf_len-config_len - 5; + do { + if (*temp == 0x00) { + patch_lmp.opcode = *temp; + patch_lmp.length = *(temp-1); + if ((patch_lmp.data = kzalloc(patch_lmp.length, GFP_KERNEL))) { + int k; + for (k = 0; k < patch_lmp.length; k++) { + *(patch_lmp.data+k) = *(temp-2-k); + RTKBT_DBG("data = 0x%x", *(patch_lmp.data+k)); + } + } + RTKBT_DBG("%s: opcode = 0x%x, length = 0x%x, data = 0x%x", __func__, + patch_lmp.opcode, patch_lmp.length, *(patch_lmp.data)); + break; + } + temp -= *(temp-1) + 2; + } while (*temp != 0xFF); + + if (lmp_version != project_id[*(patch_lmp.data)]) { + RTKBT_ERR("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x " + "-> not match", __func__, lmp_version, *(patch_lmp.data),project_id[*(patch_lmp.data)]); + if (patch_lmp.data) + kfree(patch_lmp.data); + need_download_fw = 0; + } else { + RTKBT_INFO("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x " + "-> match", __func__, lmp_version, *(patch_lmp.data), project_id[*(patch_lmp.data)]); + if (patch_lmp.data) + kfree(patch_lmp.data); + if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) { + RTKBT_ERR("%s: Check signature error", __func__); + need_download_fw = 0; + } else { + epatch_info = (struct rtk_epatch*)epatch_buf; + patch_entry->lmp_sub = (uint16_t)epatch_info->fw_version; + + RTKBT_DBG("%s: lmp version 0x%04x, fw_version 0x%x, " + "number_of_total_patch %d", __func__, + patch_entry->lmp_sub, epatch_info->fw_version, + epatch_info->number_of_total_patch); + + /* Get right epatch entry */ + p_epatch_entry = get_fw_patch_entry(epatch_info, patch_entry->eversion); + if (p_epatch_entry == NULL) { + RTKBT_WARN("%s: Failed to get fw patch entry", __func__); + ret_val = -1; + goto fw_fail ; + } + + buf_len = p_epatch_entry->patch_length + config_len; + RTKBT_DBG("buf_len = 0x%x", buf_len); + + if (!(buf = kzalloc(buf_len, GFP_KERNEL))) { + RTKBT_ERR("%s: Can't alloc memory for fw&config", __func__); + buf_len = -1; + } else { + memcpy(buf, &epatch_buf[p_epatch_entry->start_offset], p_epatch_entry->patch_length); + memcpy(&buf[p_epatch_entry->patch_length-4], &epatch_info->fw_version, 4); + kfree(p_epatch_entry); + } + vfree(epatch_buf); + RTKBT_INFO("%s: vfree(epatch_buf)", __func__); + epatch_buf = NULL; + + if (config_len) + memcpy(&buf[buf_len - config_len], config_file_buf, config_len); + } + } + } + } + + RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__, + (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not"); + + if (buf && buf_len > 0 && need_download_fw) + *buff = buf; + + RTKBT_DBG("%s: done", __func__); + + return buf_len; + +fw_fail: + return ret_val; +} + +#if SUSPNED_DW_FW +static int load_suspend_firmware(firmware_info *fw_info, uint8_t **buff) +{ + const struct firmware *fw, *cfg; + struct usb_device *udev; + patch_info *patch_entry; + char config_name[100] = {0}; + char fw_name[100] = {0}; + int fw_len = 0; + int ret_val; + + int config_len = 0, buf_len = -1; + uint8_t *buf = *buff, *config_file_buf = NULL; + uint8_t *epatch_buf = NULL; + + struct rtk_epatch *epatch_info = NULL; + uint8_t need_download_fw = 1; + struct rtk_extension_entry patch_lmp = {0}; + struct rtk_epatch_entry *p_epatch_entry = NULL; + uint16_t lmp_version; + RTKBT_DBG("%s: start", __func__); + + udev = fw_info->udev; + patch_entry = fw_info->patch_entry; + lmp_version = patch_entry->lmp_sub_default; + sprintf(config_name, "%s_suspend", patch_entry->config_name); + sprintf(fw_name, "%s_suspend", patch_entry->patch_name); + + RTKBT_INFO("%s: Default lmp version = 0x%04x, config file name[%s], " + "fw file name[%s]", __func__, lmp_version,config_name, fw_name); + + ret_val = request_firmware(&cfg, config_name, &udev->dev); + if (ret_val < 0) + config_len = 0; + else { + int i; + rtk_update_altsettings(patch_entry, cfg->data, cfg->size, &config_file_buf, &config_len); + + RTKBT_INFO("Final Config len=%08x:\n", config_len); + for(i=0;i<=config_len;i+=0x10) + { + RTKBT_INFO("%08x: %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, \ + config_file_buf[i], config_file_buf[i+1], config_file_buf[i+2], config_file_buf[i+3], config_file_buf[i+4], config_file_buf[i+5], config_file_buf[i+6], config_file_buf[i+7], \ + config_file_buf[i+8], config_file_buf[i+9], config_file_buf[i+10], config_file_buf[i+11], config_file_buf[i+12], config_file_buf[i+13], config_file_buf[i+14], config_file_buf[i+15]); + } + + release_firmware(cfg); + } + + ret_val = request_firmware(&fw, fw_name, &udev->dev); + if (ret_val < 0) + goto fw_fail; + else { + epatch_buf = vmalloc(fw->size); + RTKBT_INFO("%s: epatch_buf = vmalloc(fw->size, GFP_KERNEL)", __func__); + if (!epatch_buf) { + release_firmware(fw); + goto fw_fail; + } + memcpy(epatch_buf, fw->data, fw->size); + fw_len = fw->size; + buf_len = fw_len + config_len; + release_firmware(fw); + } + + RTKBT_DBG("%s: Not 8723a -> use new style patch", __func__); + + RTKBT_DBG("%s: get_eversion from bt controller", __func__); + + ret_val = get_eversion(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to get eversion, errno %d", __func__, ret_val); + goto fw_fail; + } + RTKBT_DBG("%s: Get eversion =%d", __func__, patch_entry->eversion); + if (memcmp(epatch_buf + buf_len - config_len - 4 , EXTENSION_SECTION_SIGNATURE, 4)) { + RTKBT_ERR("%s: Failed to check extension section signature", __func__); + need_download_fw = 0; + } else { + uint8_t *temp; + temp = epatch_buf+buf_len-config_len - 5; + do { + if (*temp == 0x00) { + patch_lmp.opcode = *temp; + patch_lmp.length = *(temp-1); + if ((patch_lmp.data = kzalloc(patch_lmp.length, GFP_KERNEL))) { + int k; + for (k = 0; k < patch_lmp.length; k++) { + *(patch_lmp.data+k) = *(temp-2-k); + RTKBT_DBG("data = 0x%x", *(patch_lmp.data+k)); + } + } + RTKBT_DBG("%s: opcode = 0x%x, length = 0x%x, data = 0x%x", __func__, + patch_lmp.opcode, patch_lmp.length, *(patch_lmp.data)); + break; + } + temp -= *(temp-1) + 2; + } while (*temp != 0xFF); + + if (lmp_version != project_id[*(patch_lmp.data)]) { + RTKBT_ERR("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x " + "-> not match", __func__, lmp_version, *(patch_lmp.data),project_id[*(patch_lmp.data)]); + if (patch_lmp.data) + kfree(patch_lmp.data); + need_download_fw = 0; + } else { + RTKBT_INFO("%s: Default lmp_version 0x%04x, project_id[%d] 0x%04x " + "-> match", __func__, lmp_version, *(patch_lmp.data), project_id[*(patch_lmp.data)]); + if (patch_lmp.data) + kfree(patch_lmp.data); + if (memcmp(epatch_buf, RTK_EPATCH_SIGNATURE, 8)) { + RTKBT_ERR("%s: Check signature error", __func__); + need_download_fw = 0; + } else { + epatch_info = (struct rtk_epatch*)epatch_buf; + patch_entry->lmp_sub = (uint16_t)epatch_info->fw_version; + + RTKBT_DBG("%s: lmp version 0x%04x, fw_version 0x%x, " + "number_of_total_patch %d", __func__, + patch_entry->lmp_sub, epatch_info->fw_version, + epatch_info->number_of_total_patch); + + /* Get right epatch entry */ + p_epatch_entry = get_fw_patch_entry(epatch_info, patch_entry->eversion); + if (p_epatch_entry == NULL) { + RTKBT_WARN("%s: Failed to get fw patch entry", __func__); + ret_val = -1; + goto fw_fail ; + } + + buf_len = p_epatch_entry->patch_length + config_len; + RTKBT_DBG("buf_len = 0x%x", buf_len); + + if (!(buf = kzalloc(buf_len, GFP_KERNEL))) { + RTKBT_ERR("%s: Can't alloc memory for fw&config", __func__); + buf_len = -1; + } else { + memcpy(buf, &epatch_buf[p_epatch_entry->start_offset], p_epatch_entry->patch_length); + memcpy(&buf[p_epatch_entry->patch_length-4], &epatch_info->fw_version, 4); + kfree(p_epatch_entry); + } + vfree(epatch_buf); + RTKBT_INFO("%s: vfree(epatch_buf)", __func__); + epatch_buf = NULL; + + if (config_len) + memcpy(&buf[buf_len - config_len], config_file_buf, config_len); + } + } + } + + RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__, + (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not"); + + if (buf && buf_len > 0 && need_download_fw) + *buff = buf; + + RTKBT_DBG("%s: done", __func__); + + return buf_len; + +fw_fail: + return ret_val; +} +#endif + +int get_firmware(firmware_info *fw_info, int cached) +{ + patch_info *patch_entry = fw_info->patch_entry; + + RTKBT_INFO("%s: start, cached %d,patch_entry->fw_len= %d", __func__, cached,patch_entry->fw_len); + + if (cached > 0) { + if (patch_entry->fw_len > 0) { + fw_info->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL); + if (!fw_info->fw_data) + return -ENOMEM; + memcpy(fw_info->fw_data, patch_entry->fw_cache, patch_entry->fw_len); + fw_info->fw_len = patch_entry->fw_len; + } else { + fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data); + if (fw_info->fw_len <= 0) + return -1; + } + } else { + fw_info->fw_len = load_firmware(fw_info, &fw_info->fw_data); + if (fw_info->fw_len <= 0) + return -1; + } + + return 0; +} + +#if SUSPNED_DW_FW +static int get_suspend_firmware(firmware_info *fw_info, int cached) +{ + patch_info *patch_entry = fw_info->patch_entry; + + RTKBT_INFO("%s: start, cached %d,patch_entry->fw_len= %d", __func__, cached,patch_entry->fw_len); + + if (cached > 0) { + if (patch_entry->fw_len > 0) { + fw_info->fw_data = kzalloc(patch_entry->fw_len, GFP_KERNEL); + if (!fw_info->fw_data) + return -ENOMEM; + memcpy(fw_info->fw_data, patch_entry->fw_cache, patch_entry->fw_len); + fw_info->fw_len = patch_entry->fw_len; + } else { + fw_info->fw_len = load_suspend_firmware(fw_info, &fw_info->fw_data); + if (fw_info->fw_len <= 0) + return -1; + } + } else { + fw_info->fw_len = load_suspend_firmware(fw_info, &fw_info->fw_data); + if (fw_info->fw_len <= 0) + return -1; + } + + return 0; +} +#endif + +/* + * Open the log message only if in debugging, + * or it will decelerate download procedure. + */ +int download_data(firmware_info *fw_info) +{ + download_cp *cmd_para; + download_rp *evt_para; + uint8_t *pcur; + int pkt_len, frag_num, frag_len; + int i, ret_val; + int ncmd = 1, step = 1; + + RTKBT_DBG("%s: start", __func__); + + cmd_para = (download_cp *)fw_info->req_para; + evt_para = (download_rp *)fw_info->rsp_para; + pcur = fw_info->fw_data; + pkt_len = CMD_HDR_LEN + sizeof(download_cp); + frag_num = fw_info->fw_len / PATCH_SEG_MAX + 1; + frag_len = PATCH_SEG_MAX; + + for (i = 0; i < frag_num; i++) { + cmd_para->index = i?((i-1)%0x7f+1):0; + if (i == (frag_num - 1)) { + cmd_para->index |= DATA_END; + frag_len = fw_info->fw_len % PATCH_SEG_MAX; + pkt_len -= (PATCH_SEG_MAX - frag_len); + } + fw_info->cmd_hdr->opcode = cpu_to_le16(DOWNLOAD_OPCODE); + fw_info->cmd_hdr->plen = sizeof(uint8_t) + frag_len; + fw_info->pkt_len = pkt_len; + memcpy(cmd_para->data, pcur, frag_len); + + if (step > 0) { + ret_val = send_hci_cmd(fw_info); + if (ret_val < 0) { + RTKBT_DBG("%s: Failed to send frag num %d", __func__, cmd_para->index); + return ret_val; + } else + RTKBT_DBG("%s: Send frag num %d", __func__, cmd_para->index); + + if (--step > 0 && i < frag_num - 1) { + RTKBT_DBG("%s: Continue to send frag num %d", __func__, cmd_para->index + 1); + pcur += PATCH_SEG_MAX; + continue; + } + } + + while (ncmd > 0) { + ret_val = rcv_hci_evt(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val); + return ret_val; + } else { + RTKBT_DBG("%s: Receive acked frag num %d", __func__, evt_para->index); + ncmd--; + } + + if (0 != evt_para->status) { + RTKBT_ERR("%s: Receive acked frag num %d, err status %d", + __func__, ret_val, evt_para->status); + return -1; + } + + if ((evt_para->index & DATA_END) || (evt_para->index == frag_num - 1)) { + RTKBT_DBG("%s: Receive last acked index %d", __func__, evt_para->index); + goto end; + } + } + + ncmd = step = fw_info->cmd_cmp->ncmd; + pcur += PATCH_SEG_MAX; + RTKBT_DBG("%s: HCI command packet num %d", __func__, ncmd); + } + + /* + * It is tricky that Host cannot receive DATA_END index from BT + * controller, at least for 8723au. We are doomed if failed. + */ +#if 0 + /* Continue to receive the responsed events until last index occurs */ + if (i == frag_num) { + RTKBT_DBG("%s: total frag count %d", __func__, frag_num); + while (!(evt_para->index & DATA_END)) { + ret_val = rcv_hci_evt(fw_info); + if (ret_val < 0) { + RTKBT_ERR("%s: rcv_hci_evt err %d", __func__, ret_val); + return ret_val; + } + if (0 != evt_para->status) + return -1; + RTKBT_DBG("%s: continue to receive acked frag num %d", __func__, evt_para->index); + } + } +#endif +end: + RTKBT_INFO("%s: done, sent %d frag pkts, received %d frag events", + __func__, cmd_para->index, evt_para->index); + return fw_info->fw_len; +} + +int download_patch(firmware_info *fw_info, int cached) +{ + int ret_val = 0; + + RTKBT_DBG("%s: Download fw patch start, cached %d", __func__, cached); + + if (!fw_info || !fw_info->patch_entry) { + RTKBT_ERR("%s: No patch entry exists(fw_info %p)", __func__, fw_info); + ret_val = -1; + goto end; + } + + /* + * step1: get local firmware if existed + * step2: check firmware version + * step3: download firmware if updated + */ + ret_val = get_firmware(fw_info, cached); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to get firmware", __func__); + goto end; + } + +#if SUSPNED_DW_FW + if(fw_info_4_suspend) { + RTKBT_DBG("%s: get suspend fw first cached %d", __func__, cached); + ret_val = get_suspend_firmware(fw_info_4_suspend, cached); + if (ret_val < 0) { + RTKBT_ERR("%s: Failed to get suspend firmware", __func__); + goto end; + } + } +#endif + + /*check the length of fw to be download*/ + RTKBT_DBG("%s: Check fw_info->fw_len:%d max_patch_size %d", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size); + if (fw_info->fw_len > fw_info->patch_entry->max_patch_size) { + RTKBT_ERR("%s: Total length of fw&config(%08x) larger than max_patch_size 0x%08x", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size); + ret_val = -1; + goto free; + } + + ret_val = check_fw_version(fw_info, false); + + if (2 == ret_val) { + RTKBT_ERR("%s: Cold reset bt chip only download", __func__); + ret_val = download_data(fw_info); + if (ret_val > 0) + RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val); + } else if(1 == ret_val){ + // reset bt chip to update Fw patch + ret_val = reset_controller(fw_info); + RTKBT_ERR("%s: reset bt chip to update Fw patch, fw len %d", __func__, ret_val); + ret_val = download_data(fw_info); + if (ret_val > 0) + RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val); + } + + +free: + /* Free fw data after download finished */ + kfree(fw_info->fw_data); + fw_info->fw_data = NULL; + +end: + return ret_val; +} + +#if SUSPNED_DW_FW +static int download_suspend_patch(firmware_info *fw_info, int cached) +{ + int ret_val = 0; + + RTKBT_DBG("%s: Download fw patch start, cached %d", __func__, cached); + + if (!fw_info || !fw_info->patch_entry) { + RTKBT_ERR("%s: No patch entry exists(fw_info %p)", __func__, fw_info); + ret_val = -1; + goto end; + } + + /*check the length of fw to be download*/ + RTKBT_DBG("%s:Check RTK_PATCH_LENGTH fw_info->fw_len:%d", __func__,fw_info->fw_len); + if (fw_info->fw_len > fw_info->patch_entry->max_patch_size || fw_info->fw_len == 0) { + RTKBT_ERR("%s: Total length of fw&config(%08x) larger than max_patch_size 0x%08x", __func__, fw_info->fw_len, fw_info->patch_entry->max_patch_size); + ret_val = -1; + goto free; + } + + ret_val = check_fw_version(fw_info, false); + + if (2 == ret_val) { + RTKBT_ERR("%s: Cold reset bt chip only download", __func__); + ret_val = download_data(fw_info); + if (ret_val > 0) + RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val); + } else if(1 == ret_val){ + // reset bt chip to update Fw patch + ret_val = reset_controller(fw_info); + RTKBT_ERR("%s: reset bt chip to update Fw patch, fw len %d", __func__, ret_val); + ret_val = download_data(fw_info); + if (ret_val > 0) + RTKBT_ERR("%s: Download fw patch done, fw len %d", __func__, ret_val); + } + + +free: + /* Free fw data after download finished */ + kfree(fw_info->fw_data); + fw_info->fw_data = NULL; + +end: + return ret_val; +} + +static void suspend_firmware_info_init(firmware_info *fw_info) +{ + RTKBT_DBG("%s: start", __func__); + if(!fw_info) + return; + + fw_info_4_suspend= kzalloc(sizeof(*fw_info), GFP_KERNEL); + if (!fw_info_4_suspend) + goto error; + + fw_info_4_suspend->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL); + if (!fw_info_4_suspend->send_pkt) { + kfree(fw_info_4_suspend); + goto error; + } + + fw_info_4_suspend->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL); + if (!fw_info_4_suspend->rcv_pkt) { + kfree(fw_info_4_suspend->send_pkt); + kfree(fw_info_4_suspend); + goto error; + } + + fw_info_4_suspend->patch_entry = get_suspend_fw_table_entry(fw_info->udev); + if (!fw_info_4_suspend->patch_entry) { + kfree(fw_info_4_suspend->rcv_pkt); + kfree(fw_info_4_suspend->send_pkt); + kfree(fw_info_4_suspend); + goto error; + } + + fw_info_4_suspend->intf = fw_info->intf; + fw_info_4_suspend->udev = fw_info->udev; + fw_info_4_suspend->cmd_hdr = (struct hci_command_hdr *)(fw_info_4_suspend->send_pkt); + fw_info_4_suspend->evt_hdr = (struct hci_event_hdr *)(fw_info_4_suspend->rcv_pkt); + fw_info_4_suspend->cmd_cmp = (struct hci_ev_cmd_complete *)(fw_info_4_suspend->rcv_pkt + EVT_HDR_LEN); + fw_info_4_suspend->req_para = fw_info_4_suspend->send_pkt + CMD_HDR_LEN; + fw_info_4_suspend->rsp_para = fw_info_4_suspend->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN; + fw_info_4_suspend->pipe_in = fw_info->pipe_in; + fw_info_4_suspend->pipe_out = fw_info->pipe_out; + + return; +error: + RTKBT_DBG("%s: fail !", __func__); + fw_info_4_suspend = NULL; + return; +} +#endif + +#if SET_WAKEUP_DEVICE +static void set_wakeup_device_from_conf(firmware_info *fw_info) +{ + uint8_t paired_wakeup_bdaddr[7]; + uint8_t num = 0; + int i; + struct file *fp; + mm_segment_t fs; + loff_t pos; + + memset(paired_wakeup_bdaddr, 0, 7); + fp = filp_open(SET_WAKEUP_DEVICE_CONF, O_RDWR, 0); + if (!IS_ERR(fp)) { + fs = get_fs(); + set_fs(KERNEL_DS); + pos = 0; + //read number + vfs_read(fp, &num, 1, &pos); + RTKBT_DBG("read number = %d", num); + if(num) { + for(i = 0; i < num; i++) { + vfs_read(fp, paired_wakeup_bdaddr, 7, &pos); + RTKBT_DBG("paired_wakeup_bdaddr: 0x%02x:0x%02x:0x%02x:0x%02x:0x%02x:0x%02x", + paired_wakeup_bdaddr[1],paired_wakeup_bdaddr[2],paired_wakeup_bdaddr[3], + paired_wakeup_bdaddr[4],paired_wakeup_bdaddr[5],paired_wakeup_bdaddr[6]); + set_wakeup_device(fw_info, paired_wakeup_bdaddr); + } + } + filp_close(fp, NULL); + set_fs(fs); + } + else { + RTKBT_ERR("open wakeup config file fail! errno = %ld", PTR_ERR(fp)); + } +} +#endif + +firmware_info *firmware_info_init(struct usb_interface *intf) +{ + struct usb_device *udev = interface_to_usbdev(intf); + firmware_info *fw_info; + + RTKBT_DBG("%s: start", __func__); + + fw_info = kzalloc(sizeof(*fw_info), GFP_KERNEL); + if (!fw_info) + return NULL; + + fw_info->send_pkt = kzalloc(PKT_LEN, GFP_KERNEL); + if (!fw_info->send_pkt) { + kfree(fw_info); + return NULL; + } + + fw_info->rcv_pkt = kzalloc(PKT_LEN, GFP_KERNEL); + if (!fw_info->rcv_pkt) { + kfree(fw_info->send_pkt); + kfree(fw_info); + return NULL; + } + + fw_info->patch_entry = get_fw_table_entry(udev); + if (!fw_info->patch_entry) { + kfree(fw_info->rcv_pkt); + kfree(fw_info->send_pkt); + kfree(fw_info); + return NULL; + } + + fw_info->intf = intf; + fw_info->udev = udev; + fw_info->pipe_in = usb_rcvintpipe(fw_info->udev, INTR_EP); + fw_info->pipe_out = usb_sndctrlpipe(fw_info->udev, CTRL_EP); + fw_info->cmd_hdr = (struct hci_command_hdr *)(fw_info->send_pkt); + fw_info->evt_hdr = (struct hci_event_hdr *)(fw_info->rcv_pkt); + fw_info->cmd_cmp = (struct hci_ev_cmd_complete *)(fw_info->rcv_pkt + EVT_HDR_LEN); + fw_info->req_para = fw_info->send_pkt + CMD_HDR_LEN; + fw_info->rsp_para = fw_info->rcv_pkt + EVT_HDR_LEN + CMD_CMP_LEN; + +#if SUSPNED_DW_FW + suspend_firmware_info_init(fw_info); +#endif + +#if BTUSB_RPM + RTKBT_INFO("%s: Auto suspend is enabled", __func__); + usb_enable_autosuspend(udev); + pm_runtime_set_autosuspend_delay(&(udev->dev), 2000); +#else + RTKBT_INFO("%s: Auto suspend is disabled", __func__); + usb_disable_autosuspend(udev); +#endif + +#if BTUSB_WAKEUP_HOST + device_wakeup_enable(&udev->dev); +#endif + + return fw_info; +} + +void firmware_info_destroy(struct usb_interface *intf) +{ + firmware_info *fw_info; + struct usb_device *udev; + struct btusb_data *data; + + udev = interface_to_usbdev(intf); + data = usb_get_intfdata(intf); + + fw_info = data->fw_info; + if (!fw_info) + return; + +#if BTUSB_RPM + usb_disable_autosuspend(udev); +#endif + + /* + * In order to reclaim fw data mem, we free fw_data immediately + * after download patch finished instead of here. + */ + kfree(fw_info->rcv_pkt); + kfree(fw_info->send_pkt); + kfree(fw_info); + +#if SUSPNED_DW_FW + if (!fw_info_4_suspend) + return; + + kfree(fw_info_4_suspend->rcv_pkt); + kfree(fw_info_4_suspend->send_pkt); + kfree(fw_info_4_suspend->patch_entry); + kfree(fw_info_4_suspend); + fw_info_4_suspend = NULL; +#endif +} + +static struct usb_driver btusb_driver; + +static struct usb_device_id btusb_table[] = { + { .match_flags = USB_DEVICE_ID_MATCH_VENDOR | + USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x0bda, + .bInterfaceClass = 0xe0, + .bInterfaceSubClass = 0x01, + .bInterfaceProtocol = 0x01 }, + + { .match_flags = USB_DEVICE_ID_MATCH_VENDOR | + USB_DEVICE_ID_MATCH_INT_INFO, + .idVendor = 0x13d3, + .bInterfaceClass = 0xe0, + .bInterfaceSubClass = 0x01, + .bInterfaceProtocol = 0x01 }, + + { } +}; + +MODULE_DEVICE_TABLE(usb, btusb_table); + +static int inc_tx(struct btusb_data *data) +{ + unsigned long flags; + int rv; + + spin_lock_irqsave(&data->txlock, flags); + rv = test_bit(BTUSB_SUSPENDING, &data->flags); + if (!rv) + data->tx_in_flight++; + spin_unlock_irqrestore(&data->txlock, flags); + + return rv; +} + +void check_sco_event(struct urb *urb) +{ + u8* opcode = (u8*)(urb->transfer_buffer); + u8 status; + uint16_t handle; + struct hci_dev *hdev = urb->context; + struct btusb_data *data = GET_DRV_DATA(hdev); + + switch (*opcode) { + case HCI_EV_SYNC_CONN_COMPLETE: + RTKBT_INFO("%s: HCI_EV_SYNC_CONN_COMPLETE(0x%02x)", __func__, *opcode); + status = *(opcode + 2); + data->sco_handle = *(opcode + 3) | *(opcode + 4) << 8; + //hdev->voice_setting = *(uint16_t*)&opcode[15]; + if (status == 0) { + hdev->conn_hash.sco_num++; + hdev->notify(hdev, 0); + } + break; + case HCI_EV_DISCONN_COMPLETE: + status = *(opcode + 2); + handle = *(opcode + 3) | *(opcode + 4) << 8; + if (status == 0 && data->sco_handle == handle) { + RTKBT_INFO("%s: SCO HCI_EV_DISCONN_COMPLETE(0x%02x)", __func__, *opcode); + hdev->conn_hash.sco_num--; + hdev->notify(hdev, 0); + data->sco_handle = 0; + } + break; + default: + RTKBT_DBG("%s: event 0x%02x", __func__, *opcode); + break; + } +} + +static void btusb_intr_complete(struct urb *urb) +{ + struct hci_dev *hdev = urb->context; + struct btusb_data *data = GET_DRV_DATA(hdev); + int err; + + RTKBT_DBG("%s: urb %p status %d count %d ", __func__, + urb, urb->status, urb->actual_length); + +#ifdef CONFIG_SCO_OVER_HCI + check_sco_event(urb); +#endif + + if (!test_bit(HCI_RUNNING, &hdev->flags)) + return; + + + if (urb->status == 0) { + hdev->stat.byte_rx += urb->actual_length; + + if (hci_recv_fragment(hdev, HCI_EVENT_PKT, + urb->transfer_buffer, + urb->actual_length) < 0) { + RTKBT_ERR("%s: Corrupted event packet", __func__); + hdev->stat.err_rx++; + } + } + /* Avoid suspend failed when usb_kill_urb */ + else if(urb->status == -ENOENT) { + return; + } + + + if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) + return; + + usb_mark_last_busy(data->udev); + usb_anchor_urb(urb, &data->intr_anchor); + + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + /* EPERM: urb is being killed; + * ENODEV: device got disconnected */ + if (err != -EPERM && err != -ENODEV) + RTKBT_ERR("%s: Failed to re-submit urb %p, err %d", + __func__, urb, err); + usb_unanchor_urb(urb); + } +} + +static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) +{ + struct btusb_data *data = GET_DRV_DATA(hdev); + struct urb *urb; + unsigned char *buf; + unsigned int pipe; + int err, size; + + if (!data->intr_ep) + return -ENODEV; + + urb = usb_alloc_urb(0, mem_flags); + if (!urb) + return -ENOMEM; + + size = le16_to_cpu(data->intr_ep->wMaxPacketSize); + + buf = kmalloc(size, mem_flags); + if (!buf) { + usb_free_urb(urb); + return -ENOMEM; + } + + RTKBT_DBG("%s: mMaxPacketSize %d, bEndpointAddress 0x%02x", + __func__, size, data->intr_ep->bEndpointAddress); + + pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); + + usb_fill_int_urb(urb, data->udev, pipe, buf, size, + btusb_intr_complete, hdev, + data->intr_ep->bInterval); + + urb->transfer_flags |= URB_FREE_BUFFER; + + usb_anchor_urb(urb, &data->intr_anchor); + + err = usb_submit_urb(urb, mem_flags); + if (err < 0) { + RTKBT_ERR("%s: Failed to submit urb %p, err %d", + __func__, urb, err); + usb_unanchor_urb(urb); + } + + usb_free_urb(urb); + + return err; +} + +static void btusb_bulk_complete(struct urb *urb) +{ + struct hci_dev *hdev = urb->context; + struct btusb_data *data = GET_DRV_DATA(hdev); + int err; + + RTKBT_DBG("%s: urb %p status %d count %d", + __func__, urb, urb->status, urb->actual_length); + + if (!test_bit(HCI_RUNNING, &hdev->flags)) + return; + + if (urb->status == 0) { + hdev->stat.byte_rx += urb->actual_length; + + if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, + urb->transfer_buffer, + urb->actual_length) < 0) { + RTKBT_ERR("%s: Corrupted ACL packet", __func__); + hdev->stat.err_rx++; + } + } + /* Avoid suspend failed when usb_kill_urb */ + else if(urb->status == -ENOENT) { + return; + } + + + if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) + return; + + usb_anchor_urb(urb, &data->bulk_anchor); + usb_mark_last_busy(data->udev); + + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + /* -EPERM: urb is being killed; + * -ENODEV: device got disconnected */ + if (err != -EPERM && err != -ENODEV) + RTKBT_ERR("btusb_bulk_complete %s urb %p failed to resubmit (%d)", + hdev->name, urb, -err); + usb_unanchor_urb(urb); + } +} + +static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) +{ + struct btusb_data *data = GET_DRV_DATA(hdev); + struct urb *urb; + unsigned char *buf; + unsigned int pipe; + int err, size = HCI_MAX_FRAME_SIZE; + + RTKBT_DBG("%s: hdev name %s", __func__, hdev->name); + + if (!data->bulk_rx_ep) + return -ENODEV; + + urb = usb_alloc_urb(0, mem_flags); + if (!urb) + return -ENOMEM; + + buf = kmalloc(size, mem_flags); + if (!buf) { + usb_free_urb(urb); + return -ENOMEM; + } + + pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); + + usb_fill_bulk_urb(urb, data->udev, pipe, + buf, size, btusb_bulk_complete, hdev); + + urb->transfer_flags |= URB_FREE_BUFFER; + + usb_mark_last_busy(data->udev); + usb_anchor_urb(urb, &data->bulk_anchor); + + err = usb_submit_urb(urb, mem_flags); + if (err < 0) { + RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err); + usb_unanchor_urb(urb); + } + + usb_free_urb(urb); + + return err; +} + +static void btusb_isoc_complete(struct urb *urb) +{ + struct hci_dev *hdev = urb->context; + struct btusb_data *data = GET_DRV_DATA(hdev); + int i, err; + + + RTKBT_DBG("%s: urb %p status %d count %d", + __func__, urb, urb->status, urb->actual_length); + + if (!test_bit(HCI_RUNNING, &hdev->flags) || !test_bit(BTUSB_ISOC_RUNNING, &data->flags)) + return; + + if (urb->status == 0) { + for (i = 0; i < urb->number_of_packets; i++) { + unsigned int offset = urb->iso_frame_desc[i].offset; + unsigned int length = urb->iso_frame_desc[i].actual_length; + + if (urb->iso_frame_desc[i].status) + continue; + + hdev->stat.byte_rx += length; + + if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, + urb->transfer_buffer + offset, + length) < 0) { + RTKBT_ERR("%s: Corrupted SCO packet", __func__); + hdev->stat.err_rx++; + } + } + } + /* Avoid suspend failed when usb_kill_urb */ + else if(urb->status == -ENOENT) { + return; + } + + usb_anchor_urb(urb, &data->isoc_anchor); + i = 0; +retry: + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + /* -EPERM: urb is being killed; + * -ENODEV: device got disconnected */ + if (err != -EPERM && err != -ENODEV) + RTKBT_ERR("%s: Failed to re-sumbit urb %p, retry %d, err %d", + __func__, urb, i, err); + if (i < 10) { + i++; + mdelay(1); + goto retry; + } + + usb_unanchor_urb(urb); + } +} + +static inline void fill_isoc_descriptor(struct urb *urb, int len, int mtu) +{ + int i, offset = 0; + + RTKBT_DBG("%s: len %d mtu %d", __func__, len, mtu); + + for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; + i++, offset += mtu, len -= mtu) { + urb->iso_frame_desc[i].offset = offset; + urb->iso_frame_desc[i].length = mtu; + } + + if (len && i < BTUSB_MAX_ISOC_FRAMES) { + urb->iso_frame_desc[i].offset = offset; + urb->iso_frame_desc[i].length = len; + i++; + } + + urb->number_of_packets = i; +} + +static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) +{ + struct btusb_data *data = GET_DRV_DATA(hdev); + struct urb *urb; + unsigned char *buf; + unsigned int pipe; + int err, size; + + if (!data->isoc_rx_ep) + return -ENODEV; + + urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); + if (!urb) + return -ENOMEM; + + size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * + BTUSB_MAX_ISOC_FRAMES; + + buf = kmalloc(size, mem_flags); + if (!buf) { + usb_free_urb(urb); + return -ENOMEM; + } + + pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); + + urb->dev = data->udev; + urb->pipe = pipe; + urb->context = hdev; + urb->complete = btusb_isoc_complete; + urb->interval = data->isoc_rx_ep->bInterval; + + urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; + urb->transfer_buffer = buf; + urb->transfer_buffer_length = size; + + fill_isoc_descriptor(urb, size, + le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); + + usb_anchor_urb(urb, &data->isoc_anchor); + + err = usb_submit_urb(urb, mem_flags); + if (err < 0) { + RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err); + usb_unanchor_urb(urb); + } + + usb_free_urb(urb); + + return err; +} + +static void btusb_tx_complete(struct urb *urb) +{ + struct sk_buff *skb = urb->context; + struct hci_dev *hdev = (struct hci_dev *) skb->dev; + struct btusb_data *data = GET_DRV_DATA(hdev); + + if (!test_bit(HCI_RUNNING, &hdev->flags)) + goto done; + + if (!urb->status) + hdev->stat.byte_tx += urb->transfer_buffer_length; + else + hdev->stat.err_tx++; + +done: + spin_lock(&data->txlock); + data->tx_in_flight--; + spin_unlock(&data->txlock); + + kfree(urb->setup_packet); + + kfree_skb(skb); +} + +static void btusb_isoc_tx_complete(struct urb *urb) +{ + struct sk_buff *skb = urb->context; + struct hci_dev *hdev = (struct hci_dev *) skb->dev; + + RTKBT_DBG("%s: urb %p status %d count %d", + __func__, urb, urb->status, urb->actual_length); + + if (skb && hdev) { + if (!test_bit(HCI_RUNNING, &hdev->flags)) + goto done; + + if (!urb->status) + hdev->stat.byte_tx += urb->transfer_buffer_length; + else + hdev->stat.err_tx++; + } else + RTKBT_ERR("%s: skb 0x%p hdev 0x%p", __func__, skb, hdev); + +done: + kfree(urb->setup_packet); + + kfree_skb(skb); +} + +static int btusb_open(struct hci_dev *hdev) +{ + struct btusb_data *data = GET_DRV_DATA(hdev); + int err = 0; + + RTKBT_INFO("%s: Start, PM usage count %d", __func__, + atomic_read(&(data->intf->pm_usage_cnt))); + + err = usb_autopm_get_interface(data->intf); + if (err < 0) + return err; + + data->intf->needs_remote_wakeup = 1; + + if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) + goto done; + + if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) + goto done; + + err = btusb_submit_intr_urb(hdev, GFP_KERNEL); + if (err < 0) + goto failed; + + err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); + if (err < 0) { + mdelay(URB_CANCELING_DELAY_MS); + usb_kill_anchored_urbs(&data->intr_anchor); + goto failed; + } + + set_bit(BTUSB_BULK_RUNNING, &data->flags); + btusb_submit_bulk_urb(hdev, GFP_KERNEL); + +done: + usb_autopm_put_interface(data->intf); + RTKBT_INFO("%s: End, PM usage count %d", __func__, + atomic_read(&(data->intf->pm_usage_cnt))); + return 0; + +failed: + clear_bit(BTUSB_INTR_RUNNING, &data->flags); + clear_bit(HCI_RUNNING, &hdev->flags); + usb_autopm_put_interface(data->intf); + RTKBT_ERR("%s: Failed, PM usage count %d", __func__, + atomic_read(&(data->intf->pm_usage_cnt))); + return err; +} + +static void btusb_stop_traffic(struct btusb_data *data) +{ + mdelay(URB_CANCELING_DELAY_MS); + usb_kill_anchored_urbs(&data->intr_anchor); + usb_kill_anchored_urbs(&data->bulk_anchor); + usb_kill_anchored_urbs(&data->isoc_anchor); +} + +static int btusb_close(struct hci_dev *hdev) +{ + struct btusb_data *data = GET_DRV_DATA(hdev); + int i, err; + + RTKBT_INFO("%s: hci running %lu", __func__, hdev->flags & HCI_RUNNING); + + if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) + return 0; + + for (i = 0; i < NUM_REASSEMBLY; i++) { + if (hdev->reassembly[i]) { + RTKBT_DBG("%s: free ressembly[%d]", __func__, i); + kfree_skb(hdev->reassembly[i]); + hdev->reassembly[i] = NULL; + } + } + + cancel_work_sync(&data->work); + cancel_work_sync(&data->waker); + + clear_bit(BTUSB_ISOC_RUNNING, &data->flags); + clear_bit(BTUSB_BULK_RUNNING, &data->flags); + clear_bit(BTUSB_INTR_RUNNING, &data->flags); + + btusb_stop_traffic(data); + err = usb_autopm_get_interface(data->intf); + if (err < 0) + goto failed; + + data->intf->needs_remote_wakeup = 0; + usb_autopm_put_interface(data->intf); + +failed: + mdelay(URB_CANCELING_DELAY_MS); + usb_scuttle_anchored_urbs(&data->deferred); + return 0; +} + +static int btusb_flush(struct hci_dev *hdev) +{ + struct btusb_data *data = GET_DRV_DATA(hdev); + + RTKBT_DBG("%s", __func__); + + mdelay(URB_CANCELING_DELAY_MS); + usb_kill_anchored_urbs(&data->tx_anchor); + + return 0; +} + +#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; + + RTKBT_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) { + RTKBT_ERR("%s: Failed to allocate mem for sco pkts", __func__); + kfree(skb); + return -ENOMEM; + } + + pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); + + usb_fill_int_urb(urb, data->udev, pipe, + skb->data, skb->len, btusb_isoc_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) { + RTKBT_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( RTK_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; + + RTKBT_DBG("%s, buffer_pos: %d", __FUNCTION__, pSCOSnd->playback.buffer_pos); + + 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); + RTK_sco_card_t *pSCOSnd = data->pSCOSnd; + + RTKBT_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 + RTKBT_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) +{ + RTK_sco_card_t *pSCOSnd = container_of(work, RTK_sco_card_t, send_sco_work); + + snd_copy_send_sco_data(pSCOSnd); +} + +#endif + +static int btusb_send_frame(struct sk_buff *skb) +{ + struct hci_dev *hdev = (struct hci_dev *) skb->dev; + + struct btusb_data *data = GET_DRV_DATA(hdev); + struct usb_ctrlrequest *dr; + struct urb *urb; + unsigned int pipe; + int err; + int retries = 0; + + RTKBT_DBG("%s: hdev %p, btusb data %p, pkt type %d", + __func__, hdev, data, bt_cb(skb)->pkt_type); + + if (!test_bit(HCI_RUNNING, &hdev->flags)) + return -EBUSY; + + + + switch (bt_cb(skb)->pkt_type) { + case HCI_COMMAND_PKT: + print_command(skb); + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) + return -ENOMEM; + + dr = kmalloc(sizeof(*dr), GFP_ATOMIC); + if (!dr) { + usb_free_urb(urb); + return -ENOMEM; + } + + dr->bRequestType = data->cmdreq_type; + dr->bRequest = 0; + dr->wIndex = 0; + dr->wValue = 0; + dr->wLength = __cpu_to_le16(skb->len); + + pipe = usb_sndctrlpipe(data->udev, 0x00); + + usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, + skb->data, skb->len, btusb_tx_complete, skb); + + hdev->stat.cmd_tx++; + break; + + case HCI_ACLDATA_PKT: + print_acl(skb, 1); + if (!data->bulk_tx_ep) + return -ENODEV; + + urb = usb_alloc_urb(0, GFP_ATOMIC); + if (!urb) + return -ENOMEM; + + pipe = usb_sndbulkpipe(data->udev, + data->bulk_tx_ep->bEndpointAddress); + + usb_fill_bulk_urb(urb, data->udev, pipe, + skb->data, skb->len, btusb_tx_complete, skb); + + hdev->stat.acl_tx++; + break; + + case HCI_SCODATA_PKT: + print_sco(skb, 1); + if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) { + kfree(skb); + return -ENODEV; + } + + urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); + if (!urb) { + RTKBT_ERR("%s: Failed to allocate mem for sco pkts", __func__); + kfree(skb); + return -ENOMEM; + } + + pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); + + usb_fill_int_urb(urb, data->udev, pipe, + skb->data, skb->len, btusb_isoc_tx_complete, + skb, data->isoc_tx_ep->bInterval); + + urb->transfer_flags = URB_ISO_ASAP; + + fill_isoc_descriptor(urb, skb->len, + le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); + + hdev->stat.sco_tx++; + goto skip_waking; + + default: + return -EILSEQ; + } + + err = inc_tx(data); + if (err) { + usb_anchor_urb(urb, &data->deferred); + schedule_work(&data->waker); + err = 0; + goto done; + } + +skip_waking: + usb_anchor_urb(urb, &data->tx_anchor); +retry: + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + RTKBT_ERR("%s: Failed to submit urb %p, pkt type %d, err %d, retries %d", + __func__, urb, bt_cb(skb)->pkt_type, err, retries); + if ((bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) && (retries < 10)) { + mdelay(1); + + if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) + print_error_command(skb); + retries++; + goto retry; + } + kfree(urb->setup_packet); + usb_unanchor_urb(urb); + } else + usb_mark_last_busy(data->udev); + usb_free_urb(urb); + +done: + return err; +} + +#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0) +static void btusb_destruct(struct hci_dev *hdev) +{ + struct btusb_data *data = GET_DRV_DATA(hdev); + + RTKBT_DBG("%s: name %s", __func__, hdev->name); + + kfree(data); +} +#endif + +static void btusb_notify(struct hci_dev *hdev, unsigned int evt) +{ + struct btusb_data *data = GET_DRV_DATA(hdev); + + RTKBT_DBG("%s: name %s, evt %d", __func__, hdev->name, evt); + + RTKBT_INFO("%s: hdev->conn_hash.sco_num= %d, data->sco_num = %d", __func__, hdev->conn_hash.sco_num, + data->sco_num); + if (hdev->conn_hash.sco_num != data->sco_num) { + data->sco_num = hdev->conn_hash.sco_num; + schedule_work(&data->work); + } +} + +static inline int set_isoc_interface(struct hci_dev *hdev, int altsetting) +{ + struct btusb_data *data = GET_DRV_DATA(hdev); + struct usb_interface *intf = data->isoc; + struct usb_endpoint_descriptor *ep_desc; + int i, err; + + if (!data->isoc) + return -ENODEV; + + err = usb_set_interface(data->udev, 1, altsetting); + if (err < 0) { + RTKBT_ERR("%s: Failed to set interface, altsetting %d, err %d", + __func__, altsetting, err); + return err; + } + + data->isoc_altsetting = altsetting; + + data->isoc_tx_ep = NULL; + data->isoc_rx_ep = NULL; + + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { + ep_desc = &intf->cur_altsetting->endpoint[i].desc; + + if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { + data->isoc_tx_ep = ep_desc; + continue; + } + + if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { + data->isoc_rx_ep = ep_desc; + continue; + } + } + + if (!data->isoc_tx_ep || !data->isoc_rx_ep) { + RTKBT_ERR("%s: Invalid SCO descriptors", __func__); + return -ENODEV; + } + + return 0; +} + +static int check_controller_support_msbc( struct usb_device *udev) +{ + //fix this in the future,when new card support msbc decode and encode + RTKBT_INFO("%s:pid = 0x%02x, vid = 0x%02x",__func__,udev->descriptor.idProduct, udev->descriptor.idVendor); + switch (udev->descriptor.idProduct) { + + default: + return 0; + } + return 0; +} + +static void btusb_work(struct work_struct *work) +{ + struct btusb_data *data = container_of(work, struct btusb_data, work); + struct hci_dev *hdev = data->hdev; + struct sk_buff *skb; + + int err; + int new_alts; + if (data->sco_num > 0) { + if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { + err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); + if (err < 0) { + clear_bit(BTUSB_ISOC_RUNNING, &data->flags); + mdelay(URB_CANCELING_DELAY_MS); + usb_kill_anchored_urbs(&data->isoc_anchor); + return; + } + + set_bit(BTUSB_DID_ISO_RESUME, &data->flags); + } + + RTKBT_INFO("%s voice settings = 0x%04x", __func__, hdev->voice_setting); + if (!(hdev->voice_setting & 0x0003)) { + if(data->sco_num == 1) + new_alts = 2; + else { + RTKBT_ERR("%s: we don't support mutiple sco link for cvsd", __func__); + return; + } + } else{ + if(check_controller_support_msbc(data->udev)) { + if(data->sco_num == 1) + new_alts = 4; + else { + RTKBT_ERR("%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); + + if(hdev->reassembly[HCI_SCODATA_PKT - 1]) { + skb = hdev->reassembly[HCI_SCODATA_PKT - 1]; + hdev->reassembly[HCI_SCODATA_PKT - 1] = NULL; + kfree_skb(skb); + } + if (set_isoc_interface(hdev, new_alts) < 0) + return; + } + + if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { + if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) + clear_bit(BTUSB_ISOC_RUNNING, &data->flags); + else + btusb_submit_isoc_urb(hdev, GFP_KERNEL); + } +#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); + } +#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); +#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; + + RTKBT_DBG("%s: PM usage count %d", __func__, + atomic_read(&data->intf->pm_usage_cnt)); + + err = usb_autopm_get_interface(data->intf); + if (err < 0) + return; + + usb_autopm_put_interface(data->intf); +} + + +//#ifdef CONFIG_HAS_EARLYSUSPEND +#if 0 +static void btusb_early_suspend(struct early_suspend *h) +{ + struct btusb_data *data; + firmware_info *fw_info; + patch_info *patch_entry; + + RTKBT_INFO("%s", __func__); + + data = container_of(h, struct btusb_data, early_suspend); + fw_info = data->fw_info; + patch_entry = fw_info->patch_entry; + + patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache); + if (patch_entry->fw_len <= 0) { + /* We may encount failure in loading firmware, just give a warning */ + RTKBT_WARN("%s: Failed to load firmware", __func__); + } +} + +static void btusb_late_resume(struct early_suspend *h) +{ + struct btusb_data *data; + firmware_info *fw_info; + patch_info *patch_entry; + + RTKBT_INFO("%s", __func__); + + data = container_of(h, struct btusb_data, early_suspend); + fw_info = data->fw_info; + patch_entry = fw_info->patch_entry; + + /* Reclaim fw buffer when bt usb resumed */ + if (patch_entry->fw_len > 0) { + kfree(patch_entry->fw_cache); + patch_entry->fw_cache = NULL; + patch_entry->fw_len = 0; + } +} +#else +int bt_pm_notify(struct notifier_block *notifier, ulong pm_event, void *unused) +{ + struct btusb_data *data; + firmware_info *fw_info; + patch_info *patch_entry; + struct usb_device *udev; + + RTKBT_INFO("%s: pm event %ld", __func__, pm_event); + + data = container_of(notifier, struct btusb_data, pm_notifier); + fw_info = data->fw_info; + patch_entry = fw_info->patch_entry; + udev = fw_info->udev; + + switch (pm_event) { + case PM_SUSPEND_PREPARE: + case PM_HIBERNATION_PREPARE: +#if 0 + patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache); + if (patch_entry->fw_len <= 0) { + /* We may encount failure in loading firmware, just give a warning */ + RTKBT_WARN("%s: Failed to load firmware", __func__); + } +#endif + if (!device_may_wakeup(&udev->dev)) { +#if (CONFIG_RESET_RESUME || CONFIG_BLUEDROID) + RTKBT_INFO("%s:remote wakeup not supported, reset resume supported", __func__); +#else + fw_info->intf->needs_binding = 1; + RTKBT_INFO("%s:remote wakeup not supported, binding needed", __func__); +#endif + } + break; + + case PM_POST_SUSPEND: + case PM_POST_HIBERNATION: + case PM_POST_RESTORE: +#if 0 + /* Reclaim fw buffer when bt usb resumed */ + if (patch_entry->fw_len > 0) { + kfree(patch_entry->fw_cache); + patch_entry->fw_cache = NULL; + patch_entry->fw_len = 0; + } +#endif + +#if BTUSB_RPM + usb_disable_autosuspend(udev); + usb_enable_autosuspend(udev); + pm_runtime_set_autosuspend_delay(&(udev->dev), 2000); +#endif + break; + + default: + break; + } + + return NOTIFY_DONE; +} + +int bt_reboot_notify(struct notifier_block *notifier, ulong pm_event, void *unused) +{ + struct btusb_data *data; + firmware_info *fw_info; + patch_info *patch_entry; + struct usb_device *udev; + + RTKBT_INFO("%s: pm event %ld", __func__, pm_event); + + data = container_of(notifier, struct btusb_data, reboot_notifier); + fw_info = data->fw_info; + patch_entry = fw_info->patch_entry; + udev = fw_info->udev; + + switch (pm_event) { + case SYS_DOWN: + RTKBT_DBG("%s:system down or restart", __func__); + break; + + case SYS_HALT: + case SYS_POWER_OFF: +#if SUSPNED_DW_FW + cancel_work_sync(&data->work); + + btusb_stop_traffic(data); + mdelay(URB_CANCELING_DELAY_MS); + usb_kill_anchored_urbs(&data->tx_anchor); + + + if(fw_info_4_suspend) { + download_suspend_patch(fw_info_4_suspend,1); + } + else + RTKBT_ERR("%s: Failed to download suspend fw", __func__); +#endif + +#if SET_WAKEUP_DEVICE + set_wakeup_device_from_conf(fw_info_4_suspend); +#endif + RTKBT_DBG("%s:system halt or power off", __func__); + break; + + default: + break; + } + + return NOTIFY_DONE; +} + +#endif + +#ifdef CONFIG_SCO_OVER_HCI +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) +{ + RTK_sco_card_t *pSCOSnd = substream->private_data; + + RTKBT_INFO("%s", __FUNCTION__); + pSCOSnd->capture.substream = substream; + + memcpy(&substream->runtime->hw, &snd_card_sco_capture_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; + } + set_bit(ALSA_CAPTURE_OPEN, &pSCOSnd->states); + return 0; +} + +static int snd_sco_capture_pcm_close(struct snd_pcm_substream *substream) +{ + RTK_sco_card_t *pSCOSnd = substream->private_data; + + 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) +{ + RTKBT_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)); + RTKBT_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) +{ + RTKBT_DBG("%s", __FUNCTION__); + return snd_pcm_lib_free_vmalloc_buffer(substream);; +} + +static int snd_sco_capture_pcm_prepare(struct snd_pcm_substream *substream) +{ + RTK_sco_card_t *pSCOSnd = substream->private_data; + struct snd_pcm_runtime *runtime = substream->runtime; + + RTKBT_INFO("%s", __FUNCTION__); + 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) +{ + RTK_sco_card_t *pSCOSnd = substream->private_data; + RTKBT_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) +{ + RTK_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) +{ + RTK_sco_card_t *pSCOSnd = substream->private_data; + int err = 0; + + RTKBT_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) +{ + RTK_sco_card_t *pSCOSnd = substream->private_data; + + 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) +{ + RTKBT_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) +{ + RTKBT_DBG("%s", __FUNCTION__); + return snd_pcm_lib_free_vmalloc_buffer(substream); +} + +static int snd_sco_playback_pcm_prepare(struct snd_pcm_substream *substream) +{ + RTK_sco_card_t *pSCOSnd = substream->private_data; + struct snd_pcm_runtime *runtime = substream->runtime; + + RTKBT_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) +{ + RTK_sco_card_t *pSCOSnd = substream->private_data; + + RTKBT_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); + 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) +{ + RTK_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 RTK_sco_card_t* btusb_snd_init(struct usb_interface *intf, const struct usb_device_id *id, struct btusb_data *data) +{ + struct snd_card *card; + RTK_sco_card_t *pSCOSnd; + int err=0; + RTKBT_INFO("%s", __func__); + err = snd_card_new(&intf->dev, + -1, RTK_SCO_ID, THIS_MODULE, + sizeof(RTK_sco_card_t), &card); + if (err < 0) { + RTKBT_ERR("%s: sco snd card create fail", __func__); + return NULL; + } + // private data + pSCOSnd = (RTK_sco_card_t *)card->private_data; + pSCOSnd->card = card; + pSCOSnd->dev = interface_to_usbdev(intf); + pSCOSnd->usb_data = data; + + strcpy(card->driver, RTK_SCO_ID); + strcpy(card->shortname, "Realtek sco snd"); + sprintf(card->longname, "Realtek sco over hci: VID:0x%04x, PID:0x%04x", + id->idVendor, pSCOSnd->dev->descriptor.idProduct); + + err = snd_pcm_new(card, RTK_SCO_ID, 0, 1, 1, &pSCOSnd->pcm); + if (err < 0) { + RTKBT_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) { + RTKBT_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 btusb_probe(struct usb_interface *intf, const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + struct usb_endpoint_descriptor *ep_desc; + struct btusb_data *data; + struct hci_dev *hdev; + firmware_info *fw_info; + int i, err=0; + + RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d, idVendor 0x%04x, " + "idProduct 0x%04x", __func__, intf, + intf->cur_altsetting->desc.bInterfaceNumber, + id->idVendor, id->idProduct); + + /* interface numbers are hardcoded in the spec */ + if (intf->cur_altsetting->desc.bInterfaceNumber != 0) + return -ENODEV; + + RTKBT_DBG("%s: can wakeup = %x, may wakeup = %x", __func__, + device_can_wakeup(&udev->dev), device_may_wakeup(&udev->dev)); + + data = rtk_alloc(intf); + if (!data) + return -ENOMEM; + + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { + ep_desc = &intf->cur_altsetting->endpoint[i].desc; + + if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { + data->intr_ep = ep_desc; + continue; + } + + if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { + data->bulk_tx_ep = ep_desc; + continue; + } + + if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { + data->bulk_rx_ep = ep_desc; + continue; + } + } + + if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { + rtk_free(data); + return -ENODEV; + } + + data->cmdreq_type = USB_TYPE_CLASS; + + data->udev = udev; + data->intf = intf; + + dlfw_dis_state = 0; + spin_lock_init(&queue_lock); + spin_lock_init(&dlfw_lock); + spin_lock_init(&data->lock); + + INIT_WORK(&data->work, btusb_work); + INIT_WORK(&data->waker, btusb_waker); + spin_lock_init(&data->txlock); + + init_usb_anchor(&data->tx_anchor); + init_usb_anchor(&data->intr_anchor); + init_usb_anchor(&data->bulk_anchor); + init_usb_anchor(&data->isoc_anchor); + init_usb_anchor(&data->deferred); + + fw_info = firmware_info_init(intf); + if (fw_info) + data->fw_info = fw_info; + else { + RTKBT_WARN("%s: Failed to initialize fw info", __func__); + /* Skip download patch */ + goto end; + } + + hdev = hci_alloc_dev(); + if (!hdev) { + rtk_free(data); + data = NULL; + return -ENOMEM; + } + + HDEV_BUS = HCI_USB; + + data->hdev = hdev; + + SET_HCIDEV_DEV(hdev, &intf->dev); + + hdev->open = btusb_open; + hdev->close = btusb_close; + hdev->flush = btusb_flush; + hdev->send = btusb_send_frame; + hdev->notify = btusb_notify; + +#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0) + hci_set_drvdata(hdev, data); +#else + hdev->driver_data = data; + hdev->destruct = btusb_destruct; + hdev->owner = THIS_MODULE; +#endif + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1) + if (!reset_on_close){ + /* set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); */ + RTKBT_DBG("%s: Set HCI_QUIRK_RESET_ON_CLOSE", __func__); + } +#endif + + /* Interface numbers are hardcoded in the specification */ + data->isoc = usb_ifnum_to_if(data->udev, 1); + if (data->isoc) { + err = usb_driver_claim_interface(&btusb_driver, + data->isoc, data); + if (err < 0) { + hci_free_dev(hdev); + hdev = NULL; + rtk_free(data); + data = NULL; + return err; + } +#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; + rtk_free(data); + data = NULL; + return err; + } + + usb_set_intfdata(intf, data); + +//#ifdef CONFIG_HAS_EARLYSUSPEND +#if 0 + data->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN; + data->early_suspend.suspend = btusb_early_suspend; + data->early_suspend.resume = btusb_late_resume; + register_early_suspend(&data->early_suspend); +#else + data->pm_notifier.notifier_call = bt_pm_notify; + data->reboot_notifier.notifier_call = bt_reboot_notify; + register_pm_notifier(&data->pm_notifier); + register_reboot_notifier(&data->reboot_notifier); +#endif + +#if CONFIG_BLUEDROID + RTKBT_INFO("%s: Check bt reset flag %d", __func__, bt_reset); + /* Report hci hardware error after everthing is ready, + * especially hci register is completed. Or, btchr_poll + * will get null hci dev when hotplug in. + */ + if (bt_reset == 1) { + hci_hardware_error(); + bt_reset = 0; + } else + bt_reset = 0; /* Clear and reset it anyway */ +#endif + +end: + return 0; +} + +static void btusb_disconnect(struct usb_interface *intf) +{ + struct btusb_data *data; + struct hci_dev *hdev = NULL; + + if (intf->cur_altsetting->desc.bInterfaceNumber != 0) + return; + + wait_event_interruptible(bt_dlfw_wait, (check_set_dlfw_state_value(2) == 2)); + + RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d", + __func__, intf, intf->cur_altsetting->desc.bInterfaceNumber); + + data = usb_get_intfdata(intf); + + if (data) + hdev = data->hdev; + else { + RTKBT_WARN("%s: Failed to get bt usb data[Null]", __func__); + return; + } + +#ifdef CONFIG_SCO_OVER_HCI + if (intf->cur_altsetting->desc.bInterfaceNumber == 0) { + RTK_sco_card_t *pSCOSnd = data->pSCOSnd; + if(!pSCOSnd) { + RTKBT_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)) { + RTKBT_INFO("%s: Set BT reset flag", __func__); + bt_reset = 1; + } +#endif + + usb_set_intfdata(data->intf, NULL); + + if (data->isoc) + usb_set_intfdata(data->isoc, NULL); + + hci_unregister_dev(hdev); + + if (intf == data->isoc) + usb_driver_release_interface(&btusb_driver, data->intf); + else if (data->isoc) + usb_driver_release_interface(&btusb_driver, data->isoc); + +#if !CONFIG_BLUEDROID +#if LINUX_VERSION_CODE <= KERNEL_VERSION(3, 4, 0) + __hci_dev_put(hdev); +#endif +#endif + + hci_free_dev(hdev); + rtk_free(data); + data = NULL; + set_dlfw_state_value(0); +} + +#ifdef CONFIG_PM +static int btusb_suspend(struct usb_interface *intf, pm_message_t message) +{ + struct btusb_data *data = usb_get_intfdata(intf); + firmware_info *fw_info = data->fw_info; + + RTKBT_INFO("%s: event 0x%x, suspend count %d", __func__, + message.event, data->suspend_count); + + if (intf->cur_altsetting->desc.bInterfaceNumber != 0) + return 0; + + if (!test_bit(HCI_RUNNING, &data->hdev->flags)) + set_bt_onoff(fw_info, 1); + + if (data->suspend_count++) + return 0; + + spin_lock_irq(&data->txlock); + if (!((message.event & PM_EVENT_AUTO) && data->tx_in_flight)) { + set_bit(BTUSB_SUSPENDING, &data->flags); + spin_unlock_irq(&data->txlock); + } else { + spin_unlock_irq(&data->txlock); + data->suspend_count--; + RTKBT_ERR("%s: Failed to enter suspend", __func__); + return -EBUSY; + } + + cancel_work_sync(&data->work); + + btusb_stop_traffic(data); + mdelay(URB_CANCELING_DELAY_MS); + usb_kill_anchored_urbs(&data->tx_anchor); + +#if SUSPNED_DW_FW + if(fw_info_4_suspend) { + download_suspend_patch(fw_info_4_suspend,1); + } + else + RTKBT_ERR("%s: Failed to download suspend fw", __func__); +#endif + +#if SET_WAKEUP_DEVICE + set_wakeup_device_from_conf(fw_info_4_suspend); +#endif + + return 0; +} + +static void play_deferred(struct btusb_data *data) +{ + struct urb *urb; + int err; + + while ((urb = usb_get_from_anchor(&data->deferred))) { + usb_anchor_urb(urb, &data->tx_anchor); + err = usb_submit_urb(urb, GFP_ATOMIC); + if (err < 0) { + RTKBT_ERR("%s: Failed to submit urb %p, err %d", + __func__, urb, err); + kfree(urb->setup_packet); + usb_unanchor_urb(urb); + } else { + usb_mark_last_busy(data->udev); + } + usb_free_urb(urb); + + data->tx_in_flight++; + } + mdelay(URB_CANCELING_DELAY_MS); + usb_scuttle_anchored_urbs(&data->deferred); +} + +static int btusb_resume(struct usb_interface *intf) +{ + struct btusb_data *data = usb_get_intfdata(intf); + struct hci_dev *hdev = data->hdev; + firmware_info *fw_info = data->fw_info; + int err = 0; + + RTKBT_INFO("%s: Suspend count %d", __func__, data->suspend_count); + + if (intf->cur_altsetting->desc.bInterfaceNumber != 0) + return 0; + + if (--data->suspend_count) + return 0; + + /*check_fw_version to check the status of the BT Controller after USB Resume*/ + err = check_fw_version(fw_info, true); + if (err !=0) + { + RTKBT_INFO("%s: BT Controller Power OFF And Return hci_hardware_error:%d", __func__, err); + hci_hardware_error(); + } + + + if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { + err = btusb_submit_intr_urb(hdev, GFP_NOIO); + if (err < 0) { + clear_bit(BTUSB_INTR_RUNNING, &data->flags); + goto failed; + } + } + + if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { + err = btusb_submit_bulk_urb(hdev, GFP_NOIO); + if (err < 0) { + clear_bit(BTUSB_BULK_RUNNING, &data->flags); + goto failed; + } + + btusb_submit_bulk_urb(hdev, GFP_NOIO); + } + + if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { + if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) + clear_bit(BTUSB_ISOC_RUNNING, &data->flags); + else + btusb_submit_isoc_urb(hdev, GFP_NOIO); + } + + spin_lock_irq(&data->txlock); + play_deferred(data); + clear_bit(BTUSB_SUSPENDING, &data->flags); + spin_unlock_irq(&data->txlock); + schedule_work(&data->work); + + return 0; + +failed: + mdelay(URB_CANCELING_DELAY_MS); + usb_scuttle_anchored_urbs(&data->deferred); + spin_lock_irq(&data->txlock); + clear_bit(BTUSB_SUSPENDING, &data->flags); + spin_unlock_irq(&data->txlock); + + return err; +} +#endif + +static struct usb_driver btusb_driver = { + .name = "rtk_btusb", + .probe = btusb_probe, + .disconnect = btusb_disconnect, +#ifdef CONFIG_PM + .suspend = btusb_suspend, + .resume = btusb_resume, +#endif +#if CONFIG_RESET_RESUME + .reset_resume = btusb_resume, +#endif + .id_table = btusb_table, + .supports_autosuspend = 1, +#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 1) + .disable_hub_initiated_lpm = 1, +#endif +}; + +static int __init btusb_init(void) +{ + int err; + + RTKBT_INFO("RTKBT_RELEASE_NAME: %s",RTKBT_RELEASE_NAME); + RTKBT_INFO("Realtek Bluetooth USB driver module init, version %s", VERSION); +#if CONFIG_BLUEDROID + err = btchr_init(); + if (err < 0) { + /* usb register will go on, even bt char register failed */ + RTKBT_ERR("Failed to register usb char device interfaces"); + } else + bt_char_dev_registered = true; +#endif + err = usb_register(&btusb_driver); + if (err < 0) + RTKBT_ERR("Failed to register RTK bluetooth USB driver"); + return err; +} + +static void __exit btusb_exit(void) +{ + struct hci_dev *hdev; + RTKBT_INFO("Realtek Bluetooth USB driver module exit"); +#if CONFIG_BLUEDROID + hdev = hci_dev_get(0); + if (bt_char_dev_registered) { + bt_char_dev_registered = false; + while(hdev && atomic_read(&hdev->promisc)) { + RTKBT_ERR("%s: rtkbt driver is being removed, but application is still running!", __func__); + RTKBT_ERR("%s: wait bt application to stop, or the driver can't be removed", __func__); + mdelay(100); + } + btchr_exit(); + } +#endif + usb_deregister(&btusb_driver); +} + +module_init(btusb_init); +module_exit(btusb_exit); + + +module_param(mp_drv_mode, int, 0644); +MODULE_PARM_DESC(mp_drv_mode, "0: NORMAL; 1: MP MODE"); + + +MODULE_AUTHOR("Realtek Corporation"); +MODULE_DESCRIPTION("Realtek Bluetooth USB driver version"); +MODULE_VERSION(VERSION); +MODULE_LICENSE("GPL"); diff --git a/rtk_btusb.h b/rtk_btusb.h new file mode 100644 index 0000000..cebbd14 --- /dev/null +++ b/rtk_btusb.h @@ -0,0 +1,768 @@ +/* + * + * Realtek Bluetooth USB driver + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include + +#define CONFIG_BLUEDROID 1 /* bleuz 0, bluedroid 1 */ +//#define CONFIG_SCO_OVER_HCI + +#ifdef CONFIG_SCO_OVER_HCI +#include +#include +#include +#include +#include + +#define RTK_SCO_ID "snd_sco_rtk" +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, +}; + +// RTK sound card +typedef struct RTK_sco_card { + struct snd_card *card; + struct snd_pcm *pcm; + struct usb_device *dev; + struct btusb_data *usb_data; + unsigned long states; + struct rtk_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; +} RTK_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 +#endif + +#if CONFIG_BLUEDROID +#else +#include +#include +#include +#endif + + +/*********************************** +** Realtek - For rtk_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 RTKBT_DBG_FLAG 0 + +#if RTKBT_DBG_FLAG +#define RTKBT_DBG(fmt, arg...) printk(KERN_INFO "rtk_btusb: " fmt "\n" , ## arg) +#else +#define RTKBT_DBG(fmt, arg...) +#endif +#define RTKBT_INFO(fmt, arg...) printk(KERN_INFO "rtk_btusb: " fmt "\n" , ## arg) +#define RTKBT_WARN(fmt, arg...) printk(KERN_WARNING "rtk_btusb: " fmt "\n" , ## arg) +#define RTKBT_ERR(fmt, arg...) printk(KERN_ERR "rtk_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 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_CMD_READ_BD_ADDR 0x1009 +#define HCI_VENDOR_CHANGE_BDRATE 0xfc17 +#define HCI_VENDOR_READ_RTK_ROM_VERISION 0xfc6d +#define HCI_VENDOR_READ_LMP_VERISION 0x1001 +#define HCI_VENDOR_FORCE_RESET_AND_PATCHABLE 0xfc66 +#define HCI_VENDOR_RESET 0x0C03 +#define HCI_VENDOR_ADD_WAKE_UP_DEVICE 0xfc7b +#define HCI_VENDOR_REMOVE_WAKE_UP_DEVICE 0xfc7c +#define HCI_VENDOR_CLEAR_POWERON_LIST 0xfc7d + +#define HCI_VENDOR_USB_DISC_HARDWARE_ERROR 0xFF + +#define SET_WAKEUP_DEVICE_CONF "/data/misc/bluedroid/rtkbt_wakeup_ble.conf" + +#define DRV_NORMAL_MODE 0 +#define DRV_MP_MODE 1 +int mp_drv_mode = 0; /* 1 Mptool Fw; 0 Normal Fw */ + +#define ROM_LMP_NONE 0x0000 +#define ROM_LMP_8723a 0x1200 +#define ROM_LMP_8723b 0x8723 +#define ROM_LMP_8821a 0X8821 +#define ROM_LMP_8761a 0X8761 +#define ROM_LMP_8761b 0X8761 +#define ROM_LMP_8703a 0x8723 +#define ROM_LMP_8763a 0x8763 +#define ROM_LMP_8703b 0x8703 +#define ROM_LMP_8723c 0x8703 +#define ROM_LMP_8822b 0x8822 +#define ROM_LMP_8723d 0x8723 +#define ROM_LMP_8821c 0x8821 +#define ROM_LMP_8822c 0x8822 + +/* signature: Realtek */ +const uint8_t RTK_EPATCH_SIGNATURE[8] = {0x52,0x65,0x61,0x6C,0x74,0x65,0x63,0x68}; +/* Extension Section IGNATURE:0x77FD0451 */ +const uint8_t EXTENSION_SECTION_SIGNATURE[4] = {0x51,0x04,0xFD,0x77}; + +uint16_t project_id[] = { + ROM_LMP_8723a, + ROM_LMP_8723b, + ROM_LMP_8821a, + ROM_LMP_8761a, + ROM_LMP_8703a, + ROM_LMP_8763a, + ROM_LMP_8703b, + ROM_LMP_8723c, + ROM_LMP_8822b, + ROM_LMP_8723d, + ROM_LMP_8821c, + ROM_LMP_NONE, + ROM_LMP_NONE, + ROM_LMP_8822c, //0x0d + ROM_LMP_8761b, + ROM_LMP_NONE +}; +struct rtk_eversion_evt { + uint8_t status; + uint8_t version; +} __attribute__ ((packed)); + +/*modified by lamparten 1020*/ +struct rtk_reset_evt { + uint8_t status; +} __attribute__ ((packed)); +/*modified by lamparten 1020*/ + +struct rtk_localversion_evt { + uint8_t status; + uint8_t hci_version; + uint16_t hci_revision; + uint8_t lmp_version; + uint16_t lmp_manufacture; + uint16_t lmp_subversion; +} __attribute__ ((packed)); + +struct rtk_epatch_entry { + uint16_t chip_id; + uint16_t patch_length; + uint32_t start_offset; + uint32_t coex_version; + uint32_t svn_version; + uint32_t fw_version; +} __attribute__ ((packed)); + +struct rtk_epatch { + uint8_t signature[8]; + uint32_t fw_version; + uint16_t number_of_total_patch; + struct rtk_epatch_entry entry[0]; +} __attribute__ ((packed)); + +struct rtk_extension_entry { + uint8_t opcode; + uint8_t length; + uint8_t *data; +} __attribute__ ((packed)); + +struct rtk_bt_vendor_config_entry{ + uint16_t offset; + uint8_t entry_len; + uint8_t entry_data[0]; +} __attribute__ ((packed)); + +struct rtk_bt_vendor_config{ + uint32_t signature; + uint16_t data_len; + struct rtk_bt_vendor_config_entry entry[0]; +} __attribute__ ((packed)); + +/* Realtek - For rtk_btusb driver end */ + +#if CONFIG_BLUEDROID +#define QUEUE_SIZE 500 + +/*************************************** +** Realtek - 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; +} +/* Realtek - Integrate from bluetooth.h end */ + +/*********************************** +** Realtek - 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; +}; +/* Realtek - Integrate from hci.h end */ + +/***************************************** +** Realtek - 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 + __u16 voice_setting; + void (*notify)(struct hci_dev *hdev, unsigned int evt); + int (*ioctl)(struct hci_dev *hdev, unsigned int cmd, unsigned long arg); +}; + +#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)) +/* Realtek - 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_SET_EVENT_MASK 0x0c01 +#define HCI_OP_RESET 0x0c03 +#define HCI_OP_SET_EVENT_FLT 0x0c05 +#define HCI_OP_Write_Extended_Inquiry_Response 0x0c52 + +/* ----- 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 CONFIG_MAC_OFFSET_GEN_1_2 (0x3C) //MAC's OFFSET in config/efuse for realtek generation 1~2 bluetooth chip +#define CONFIG_MAC_OFFSET_GEN_3PLUS (0x44) //MAC's OFFSET in config/efuse for rtk generation 3+ bluetooth chip +#define CONFIG_MAC_OFFSET_GEN_4PLUS (0x30) //MAC's OFFSET in config/efuse for rtk generation 4+ bluetooth chip + +/******************************* +** Reasil patch code +********************************/ +#define CMD_CMP_EVT 0x0e +#define PKT_LEN 300 +#define MSG_TO 1000 +#define PATCH_SEG_MAX 252 +#define DATA_END 0x80 +#define DOWNLOAD_OPCODE 0xfc20 +#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) + +enum rtk_endpoit { + CTRL_EP = 0, + INTR_EP = 1, + BULK_EP = 2, + ISOC_EP = 3 +}; + +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; + +typedef struct { + struct usb_interface *intf; + struct usb_device *udev; + patch_info *patch_entry; + 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; + +typedef struct { + uint8_t index; + uint8_t data[PATCH_SEG_MAX]; +} __attribute__((packed)) download_cp; + +typedef struct { + uint8_t status; + uint8_t index; +} __attribute__((packed)) download_rp; + + + +//Define ioctl cmd the same as HCIDEVUP in the kernel +#define DOWN_FW_CFG _IOW('H', 201, int) +#ifdef CONFIG_SCO_OVER_HCI +#define SET_ISO_CFG _IOW('H', 202, int) +#endif +#define GET_USB_INFO _IOW('H', 203, int) +#define RESET_CONTROLLER _IOW('H', 204, int) +#define DWFW_CMPLT _IOW('H', 205, int) + + +/* for altsettings*/ +#include +#define BDADDR_FILE "/data/misc/bluetooth/bdaddr" +#define FACTORY_BT_BDADDR_STORAGE_LEN 17 + +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; + int ret = -1; + memset(buf, 0, FACTORY_BT_BDADDR_STORAGE_LEN); + bdaddr_file = filp_open(BDADDR_FILE, O_RDONLY, 0); + if (IS_ERR(bdaddr_file)){ + RTKBT_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); + ret = vfs_read(bdaddr_file, buf, FACTORY_BT_BDADDR_STORAGE_LEN, &bdaddr_file->f_pos); + set_fs(oldfs); + filp_close(bdaddr_file, NULL); + if(ret == FACTORY_BT_BDADDR_STORAGE_LEN) + { + 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'); + } + return 0; + } + return -1; +} + +static inline int getAltSettings(patch_info *patch_entry, unsigned short *offset, int max_group_cnt) +{ + int n = 0; + if(patch_entry) + offset[n++] = patch_entry->mac_offset; +/* +//sample code, add special settings + + offset[n++] = 0x15B; +*/ + return n; +} +static inline int getAltSettingVal(patch_info *patch_entry, unsigned short offset, unsigned char * val) +{ + int res = 0; + + switch(offset) + { +/* +//sample code, add special settings + case 0x15B: + val[0] = 0x0B; + val[1] = 0x0B; + val[2] = 0x0B; + val[3] = 0x0B; + res = 4; + break; +*/ + default: + res = 0; + break; + } + + if((patch_entry)&&(offset == patch_entry->mac_offset)&&(res == 0)) + { + if(getmacaddr(val) == 0){ + RTKBT_INFO("MAC: %02x:%02x:%02x:%02x:%02x:%02x", val[5], val[4], val[3], val[2], val[1], val[0]); + res = 6; + } + } + return res; +} + +#endif /* CONFIG_BLUEDROID */