diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/bluetooth/rtk_btusb.c')
| -rwxr-xr-x | ANDROID_3.4.5/drivers/bluetooth/rtk_btusb.c | 3151 |
1 files changed, 0 insertions, 3151 deletions
diff --git a/ANDROID_3.4.5/drivers/bluetooth/rtk_btusb.c b/ANDROID_3.4.5/drivers/bluetooth/rtk_btusb.c deleted file mode 100755 index 9037d780..00000000 --- a/ANDROID_3.4.5/drivers/bluetooth/rtk_btusb.c +++ /dev/null @@ -1,3151 +0,0 @@ -/* - * - * Realtek Bluetooth USB driver - * - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/slab.h> -#include <linux/types.h> -#include <linux/sched.h> -#include <linux/errno.h> -#include <linux/skbuff.h> -#include <linux/usb.h> -#include <mach/wmt_misc.h> //added by rubbitxiao -/*******************************/ -#include "rtk_btusb.h" -#define VERSION "2.19" - -#define DBG_FLAG 0 -#if 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) - -/******************************* -** 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) - -enum rtk_endpoit { - CTRL_EP = 0, - INTR_EP = 1, - BULK_EP = 2, - ISOC_EP = 3 -}; - -typedef struct { - uint16_t prod_id; - 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; -} 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; - -static patch_info fw_patch_table[] = { -/* { pid, lmp_sub_default, lmp_sub, everion, mp_fw_name, fw_name, config_name, fw_cache, fw_len } */ -{ 0x1724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* RTL8723A */ -{ 0x8723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AE */ -{ 0xA723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AE for LI */ -{ 0x0723, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AE */ -{ 0x3394, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AE for Azurewave*/ - -{ 0x0724, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AU */ -{ 0x8725, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AU */ -{ 0x872A, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AU */ -{ 0x872B, 0x1200, 0, 0, "mp_rtl8723a_fw", "rtl8723a_fw", "rtl8723a_config", NULL, 0 }, /* 8723AU */ - -{ 0xb720, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 }, /* RTL8723BU */ -{ 0xb72A, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723bu_config", NULL, 0 }, /* RTL8723BU */ -{ 0xb728, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for LC */ -{ 0xb723, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */ -{ 0xb72B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */ -{ 0xb001, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for HP */ -{ 0xb002, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */ -{ 0xb003, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */ -{ 0xb004, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */ -{ 0xb005, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE */ - -{ 0x3410, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Azurewave */ -{ 0x3416, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Azurewave */ -{ 0x3459, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Azurewave */ -{ 0xE085, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Foxconn */ -{ 0xE08B, 0x8723, 0, 0, "mp_rtl8723b_fw", "rtl8723b_fw", "rtl8723b_config", NULL, 0 }, /* RTL8723BE for Foxconn */ - -{ 0xA761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU only */ -{ 0x818B, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 }, /* RTL8761AW + 8192EU */ -{ 0x818C, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761aw8192eu_fw", "rtl8761aw8192eu_config", NULL, 0 }, /* RTL8761AW + 8192EU */ -{ 0x8760, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU + 8192EE */ -{ 0xB761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU + 8192EE */ -{ 0x8761, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8192ee_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU + 8192EE for LI */ -{ 0x8A60, 0x8761, 0, 0, "mp_rtl8761a_fw", "rtl8761au8812ae_fw", "rtl8761a_config", NULL, 0 }, /* RTL8761AU + 8812AE */ - -{ 0x8821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */ -{ 0x0821, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */ -{ 0x0823, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AU */ -{ 0x3414, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */ -{ 0x3458, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */ -{ 0x3461, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */ -{ 0x3462, 0x8821, 0, 0, "mp_rtl8821a_fw", "rtl8821a_fw", "rtl8821a_config", NULL, 0 }, /* RTL8821AE */ - -/* NOTE: must append patch entries above the null entry */ -{ 0, 0, 0, 0, NULL, NULL, NULL, NULL, 0 } -}; - -struct btusb_data { - struct hci_dev *hdev; - struct usb_device *udev; - struct usb_interface *intf; - struct usb_interface *isoc; - - spinlock_t lock; - - unsigned long flags; - - struct work_struct work; - struct work_struct waker; - - struct usb_anchor tx_anchor; - struct usb_anchor intr_anchor; - struct usb_anchor bulk_anchor; - struct usb_anchor isoc_anchor; - struct usb_anchor deferred; - int tx_in_flight; - spinlock_t txlock; - - struct usb_endpoint_descriptor *intr_ep; - struct usb_endpoint_descriptor *bulk_tx_ep; - struct usb_endpoint_descriptor *bulk_rx_ep; - struct usb_endpoint_descriptor *isoc_tx_ep; - struct usb_endpoint_descriptor *isoc_rx_ep; - - __u8 cmdreq_type; - - unsigned int sco_num; - int isoc_altsetting; - int suspend_count; -//#ifdef CONFIG_HAS_EARLYSUSPEND -#if 0 - struct early_suspend early_suspend; -#else - struct notifier_block pm_notifier; -#endif - firmware_info *fw_info; -}; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1) -static bool reset_on_close = 0; -#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; - default: - printk("CMD"); - break; - } - printk(":%04x,len:%d,", *opcode,len); - for (icount = 3; (icount < wlength) && (icount < 24); icount++) - printk("%02x ", *(cmd_data+icount)); - printk("\n"); -} - -static void print_command(struct sk_buff *skb) -{ -#if PRINT_CMD_EVENT - print_error_command(skb); -#endif -} - -#if CONFIG_BLUEDROID -/* Global parameters for bt usb char driver */ -#define BT_CHAR_DEVICE_NAME "rtk_btusb" -struct mutex btchr_mutex; -static struct sk_buff_head btchr_readq; -static wait_queue_head_t btchr_read_wait; -static int bt_char_dev_registered; -static dev_t bt_devid; /* bt char device number */ -static struct cdev bt_char_dev; /* bt character device structure */ -static struct class *bt_char_class; /* device class for usb char driver */ -static int bt_reset = 0; -/* HCI device & lock */ -DEFINE_RWLOCK(hci_dev_lock); -struct hci_dev *ghdev = NULL; - -static void print_event(struct sk_buff *skb) -{ -#if PRINT_CMD_EVENT - uint wlength = skb->len; - uint icount = 0; - u8 *opcode = (u8*)(skb->data); - u8 len = *(opcode+1); - - switch (*opcode) { - case HCI_EV_INQUIRY_COMPLETE: - printk("HCI_EV_INQUIRY_COMPLETE"); - break; - case HCI_EV_INQUIRY_RESULT: - printk("HCI_EV_INQUIRY_RESULT"); - break; - case HCI_EV_CONN_COMPLETE: - printk("HCI_EV_CONN_COMPLETE"); - break; - case HCI_EV_CONN_REQUEST: - printk("HCI_EV_CONN_REQUEST"); - break; - case HCI_EV_DISCONN_COMPLETE: - printk("HCI_EV_DISCONN_COMPLETE"); - break; - case HCI_EV_AUTH_COMPLETE: - printk("HCI_EV_AUTH_COMPLETE"); - break; - case HCI_EV_REMOTE_NAME: - printk("HCI_EV_REMOTE_NAME"); - break; - case HCI_EV_ENCRYPT_CHANGE: - printk("HCI_EV_ENCRYPT_CHANGE"); - break; - case HCI_EV_CHANGE_LINK_KEY_COMPLETE: - printk("HCI_EV_CHANGE_LINK_KEY_COMPLETE"); - break; - case HCI_EV_REMOTE_FEATURES: - printk("HCI_EV_REMOTE_FEATURES"); - break; - case HCI_EV_REMOTE_VERSION: - printk("HCI_EV_REMOTE_VERSION"); - break; - case HCI_EV_QOS_SETUP_COMPLETE: - printk("HCI_EV_QOS_SETUP_COMPLETE"); - break; - case HCI_EV_CMD_COMPLETE: - printk("HCI_EV_CMD_COMPLETE"); - break; - case HCI_EV_CMD_STATUS: - printk("HCI_EV_CMD_STATUS"); - break; - case HCI_EV_ROLE_CHANGE: - printk("HCI_EV_ROLE_CHANGE"); - break; - case HCI_EV_NUM_COMP_PKTS: - printk("HCI_EV_NUM_COMP_PKTS"); - break; - case HCI_EV_MODE_CHANGE: - printk("HCI_EV_MODE_CHANGE"); - break; - case HCI_EV_PIN_CODE_REQ: - printk("HCI_EV_PIN_CODE_REQ"); - break; - case HCI_EV_LINK_KEY_REQ: - printk("HCI_EV_LINK_KEY_REQ"); - break; - case HCI_EV_LINK_KEY_NOTIFY: - printk("HCI_EV_LINK_KEY_NOTIFY"); - break; - case HCI_EV_CLOCK_OFFSET: - printk("HCI_EV_CLOCK_OFFSET"); - break; - case HCI_EV_PKT_TYPE_CHANGE: - printk("HCI_EV_PKT_TYPE_CHANGE"); - break; - case HCI_EV_PSCAN_REP_MODE: - printk("HCI_EV_PSCAN_REP_MODE"); - break; - case HCI_EV_INQUIRY_RESULT_WITH_RSSI: - printk("HCI_EV_INQUIRY_RESULT_WITH_RSSI"); - break; - case HCI_EV_REMOTE_EXT_FEATURES: - printk("HCI_EV_REMOTE_EXT_FEATURES"); - break; - case HCI_EV_SYNC_CONN_COMPLETE: - printk("HCI_EV_SYNC_CONN_COMPLETE"); - break; - case HCI_EV_SYNC_CONN_CHANGED: - printk("HCI_EV_SYNC_CONN_CHANGED"); - break; - case HCI_EV_SNIFF_SUBRATE: - printk("HCI_EV_SNIFF_SUBRATE"); - break; - case HCI_EV_EXTENDED_INQUIRY_RESULT: - printk("HCI_EV_EXTENDED_INQUIRY_RESULT"); - break; - case HCI_EV_IO_CAPA_REQUEST: - printk("HCI_EV_IO_CAPA_REQUEST"); - break; - case HCI_EV_SIMPLE_PAIR_COMPLETE: - printk("HCI_EV_SIMPLE_PAIR_COMPLETE"); - break; - case HCI_EV_REMOTE_HOST_FEATURES: - printk("HCI_EV_REMOTE_HOST_FEATURES"); - break; - default: - printk("event"); - break; - } - printk(":%02x,len:%d,", *opcode,len); - for (icount = 2; (icount < wlength) && (icount < 24); icount++) - printk("%02x ", *(opcode+icount)); - printk("\n"); -#endif -} - -static inline ssize_t usb_put_user(struct sk_buff *skb, - char __user *buf, int count) -{ - char __user *ptr = buf; - int len = min_t(unsigned int, skb->len, count); - - if (copy_to_user(ptr, skb->data, len)) - return -EFAULT; - - return len; -} - -static struct sk_buff *rtk_skb_queue[QUEUE_SIZE]; -static int rtk_skb_queue_front = -1; -static int rtk_skb_queue_rear = -1; - -static void rtk_enqueue(struct sk_buff *skb) -{ - 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 { - if (rtk_skb_queue_front == -1) { - rtk_skb_queue_front = 0; - rtk_skb_queue_rear = 0; - } else { - rtk_skb_queue_rear++; - rtk_skb_queue_rear %= QUEUE_SIZE; - } - - rtk_skb_queue[rtk_skb_queue_rear] = skb; - } -} - -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 == -1) { - RTKBT_WARN("%s: Queue is empty", __func__); - return NULL; - } - - skb = rtk_skb_queue[rtk_skb_queue_front]; - if (deq_len >= skb->len) { - if (rtk_skb_queue_front == rtk_skb_queue_rear) { - rtk_skb_queue_front = -1; - rtk_skb_queue_rear = -1; - } else { - 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 == -1) ? 1 : 0; -} - -/* - * Realtek - Integrate from hci_core.c - */ - -/* Get HCI device by index. - * Device is held on return. */ -static struct hci_dev *hci_dev_get(int index) -{ - if (index != 0) - return NULL; - - return ghdev; -} - -/* ---- HCI ioctl helpers ---- */ -static int hci_dev_open(__u16 dev) -{ - struct hci_dev *hdev; - int ret = 0; - - RTKBT_DBG("%s: dev %d", __func__, dev); - - hdev = hci_dev_get(dev); - if (!hdev) { - RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__); - return -ENODEV; - } - - if (test_bit(HCI_UNREGISTER, &hdev->dev_flags)) { - ret = -ENODEV; - goto done; - } - - if (test_bit(HCI_UP, &hdev->flags)) { - ret = -EALREADY; - goto done; - } - - if (hdev->open(hdev)) { - ret = -EIO; - goto done; - } - - set_bit(HCI_UP, &hdev->flags); -done: - return ret; -} - -static int hci_dev_do_close(struct hci_dev *hdev) -{ - if (hdev->flush) - hdev->flush(hdev); - /* After this point our queues are empty - * and no tasks are scheduled. */ - hdev->close(hdev); - /* Clear flags */ - hdev->flags = 0; - return 0; -} - -static int hci_dev_close(__u16 dev) -{ - struct hci_dev *hdev; - int err; - hdev = hci_dev_get(dev); - if (!hdev) { - RTKBT_ERR("%s: failed to get hci dev[Null]", __func__); - return -ENODEV; - } - - err = hci_dev_do_close(hdev); - - return err; -} - -static struct hci_dev *hci_alloc_dev(void) -{ - struct hci_dev *hdev; - - hdev = kzalloc(sizeof(struct hci_dev), GFP_KERNEL); - if (!hdev) - return NULL; - - return hdev; -} - -/* Free HCI device */ -static void hci_free_dev(struct hci_dev *hdev) -{ - kfree(hdev); -} - -/* Register HCI device */ -static int hci_register_dev(struct hci_dev *hdev) -{ - int i, id; - - RTKBT_DBG("%s: %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus); - /* Do not allow HCI_AMP devices to register at index 0, - * so the index can be used as the AMP controller ID. - */ - id = (hdev->dev_type == HCI_BREDR) ? 0 : 1; - - write_lock(&hci_dev_lock); - - sprintf(hdev->name, "hci%d", id); - hdev->id = id; - hdev->flags = 0; - hdev->dev_flags = 0; - mutex_init(&hdev->lock); - - RTKBT_DBG("%s: id %d, name %s", __func__, hdev->id, hdev->name); - - - for (i = 0; i < NUM_REASSEMBLY; i++) - hdev->reassembly[i] = NULL; - - memset(&hdev->stat, 0, sizeof(struct hci_dev_stats)); - atomic_set(&hdev->promisc, 0); - - if (ghdev) { - RTKBT_ERR("%s: Hci device has been registered already", __func__); - return -1; - } else - ghdev = hdev; - - write_unlock(&hci_dev_lock); - - return id; -} - -/* Unregister HCI device */ -static void hci_unregister_dev(struct hci_dev *hdev) -{ - int i; - - RTKBT_DBG("%s: hdev %p name %s bus %d", __func__, hdev, hdev->name, hdev->bus); - set_bit(HCI_UNREGISTER, &hdev->dev_flags); - - write_lock(&hci_dev_lock); - ghdev = NULL; - write_unlock(&hci_dev_lock); - - hci_dev_do_close(hdev); - for (i = 0; i < NUM_REASSEMBLY; i++) - kfree_skb(hdev->reassembly[i]); -} - -static void hci_send_to_stack(struct hci_dev *hdev, struct sk_buff *skb) -{ - struct sk_buff *rtk_skb_copy = NULL; - - RTKBT_DBG("%s", __func__); - - if (!hdev) { - RTKBT_ERR("%s: Frame for unknown HCI device", __func__); - return; - } - - if (!test_bit(HCI_RUNNING, &hdev->flags)) { - RTKBT_ERR("%s: HCI not running", __func__); - return; - } - - rtk_skb_copy = pskb_copy(skb, GFP_ATOMIC); - if (!rtk_skb_copy) { - RTKBT_ERR("%s: Copy skb error", __func__); - return; - } - - memcpy(skb_push(rtk_skb_copy, 1), &bt_cb(skb)->pkt_type, 1); - rtk_enqueue(rtk_skb_copy); - - /* Make sure bt char device existing before wakeup read queue */ - hdev = hci_dev_get(0); - if (hdev) { - RTKBT_DBG("%s: Try to wakeup read queue", __func__); - wake_up_interruptible(&btchr_read_wait); - } - - return; -} - -/* Receive frame from HCI drivers */ -static int hci_recv_frame(struct sk_buff *skb) -{ - struct hci_dev *hdev = (struct hci_dev *) skb->dev; - - if (!hdev || - (!test_bit(HCI_UP, &hdev->flags) && !test_bit(HCI_INIT, &hdev->flags))) { - kfree_skb(skb); - return -ENXIO; - } - - /* Incomming skb */ - bt_cb(skb)->incoming = 1; - - /* Time stamp */ - __net_timestamp(skb); - - if (atomic_read(&hdev->promisc)) { - /* Send copy to the sockets */ - hci_send_to_stack(hdev, skb); - } - kfree_skb(skb); - return 0; -} - -static int hci_reassembly(struct hci_dev *hdev, int type, void *data, - int count, __u8 index) -{ - int len = 0; - int hlen = 0; - int remain = count; - struct sk_buff *skb; - struct bt_skb_cb *scb; - - RTKBT_DBG("%s", __func__); - - if ((type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) || - index >= NUM_REASSEMBLY) - return -EILSEQ; - - skb = hdev->reassembly[index]; - - if (!skb) { - switch (type) { - case HCI_ACLDATA_PKT: - len = HCI_MAX_FRAME_SIZE; - hlen = HCI_ACL_HDR_SIZE; - break; - case HCI_EVENT_PKT: - len = HCI_MAX_EVENT_SIZE; - hlen = HCI_EVENT_HDR_SIZE; - break; - case HCI_SCODATA_PKT: - len = HCI_MAX_SCO_SIZE; - hlen = HCI_SCO_HDR_SIZE; - break; - } - - skb = bt_skb_alloc(len, GFP_ATOMIC); - if (!skb) - return -ENOMEM; - - scb = (void *) skb->cb; - scb->expect = hlen; - scb->pkt_type = type; - - skb->dev = (void *) hdev; - hdev->reassembly[index] = skb; - } - - while (count) { - scb = (void *) skb->cb; - len = min_t(uint, scb->expect, count); - - memcpy(skb_put(skb, len), data, len); - - count -= len; - data += len; - scb->expect -= len; - remain = count; - - switch (type) { - case HCI_EVENT_PKT: - if (skb->len == HCI_EVENT_HDR_SIZE) { - struct hci_event_hdr *h = hci_event_hdr(skb); - scb->expect = h->plen; - - if (skb_tailroom(skb) < scb->expect) { - kfree_skb(skb); - hdev->reassembly[index] = NULL; - return -ENOMEM; - } - } - break; - - case HCI_ACLDATA_PKT: - if (skb->len == HCI_ACL_HDR_SIZE) { - struct hci_acl_hdr *h = hci_acl_hdr(skb); - scb->expect = __le16_to_cpu(h->dlen); - - if (skb_tailroom(skb) < scb->expect) { - kfree_skb(skb); - hdev->reassembly[index] = NULL; - return -ENOMEM; - } - } - break; - - case HCI_SCODATA_PKT: - if (skb->len == HCI_SCO_HDR_SIZE) { - struct hci_sco_hdr *h = hci_sco_hdr(skb); - scb->expect = h->dlen; - - if (skb_tailroom(skb) < scb->expect) { - kfree_skb(skb); - hdev->reassembly[index] = NULL; - return -ENOMEM; - } - } - break; - } - - if (scb->expect == 0) { - /* Complete frame */ - if(HCI_ACLDATA_PKT == type) - print_acl(skb,0); - if(HCI_SCODATA_PKT == type) - print_sco(skb,0); - if(HCI_EVENT_PKT == type) - print_event(skb); - - bt_cb(skb)->pkt_type = type; - hci_recv_frame(skb); - - hdev->reassembly[index] = NULL; - return remain; - } - } - - return remain; -} - -static int hci_recv_fragment(struct hci_dev *hdev, int type, void *data, int count) -{ - int rem = 0; - - if (type < HCI_ACLDATA_PKT || type > HCI_EVENT_PKT) - return -EILSEQ; - - while (count) { - rem = hci_reassembly(hdev, type, data, count, type - 1); - if (rem < 0) - return rem; - - data += (count - rem); - count = rem; - } - - return rem; -} - -void hci_hardware_error(void) -{ - struct sk_buff *rtk_skb_copy = NULL; - int len = 3; - uint8_t hardware_err_pkt[3] = {HCI_EVENT_PKT, 0x10, 0x00}; - - rtk_skb_copy = alloc_skb(len, GFP_ATOMIC); - if (!rtk_skb_copy) { - RTKBT_ERR("%s: Failed to allocate mem", __func__); - return; - } - - memcpy(skb_put(rtk_skb_copy, len), hardware_err_pkt, len); - rtk_enqueue(rtk_skb_copy); - - wake_up_interruptible(&btchr_read_wait); -} - -static int btchr_open(struct inode *inode_p, struct file *file_p) -{ - struct btusb_data *data; - struct hci_dev *hdev; - - RTKBT_INFO("%s: BT usb char device is opening", __func__); - /* Not open unless wanna tracing log */ - /* trace_printk("%s: open....\n", __func__); */ - - hdev = hci_dev_get(0); - if (!hdev) { - RTKBT_ERR("%s: Failed to get hci dev[NULL]", __func__); - return -1; - } - data = GET_DRV_DATA(hdev); - - atomic_inc(&hdev->promisc); - /* - * As bt device is not re-opened when hotplugged out, we cannot - * trust on file's private data(may be null) when other file ops - * are invoked. - */ - file_p->private_data = data; - - mutex_lock(&btchr_mutex); - hci_dev_open(0); - mutex_unlock(&btchr_mutex); - - return nonseekable_open(inode_p, file_p); -} - -static int btchr_close(struct inode *inode_p, struct file *file_p) -{ - struct btusb_data *data; - struct hci_dev *hdev; - - RTKBT_INFO("%s: BT usb char device is closing", __func__); - /* Not open unless wanna tracing log */ - /* trace_printk("%s: close....\n", __func__); */ - - data = file_p->private_data; - file_p->private_data = NULL; - -#if CONFIG_BLUEDROID - /* - * If the upper layer closes bt char interfaces, no reset - * action required even bt device hotplugged out. - */ - bt_reset = 0; -#endif - - hdev = hci_dev_get(0); - if (hdev) { - atomic_set(&hdev->promisc, 0); - mutex_lock(&btchr_mutex); - hci_dev_close(0); - mutex_unlock(&btchr_mutex); - } - - return 0; -} - -static ssize_t btchr_read(struct file *file_p, - char __user *buf_p, - size_t count, - loff_t *pos_p) -{ - struct hci_dev *hdev; - struct sk_buff *skb; - ssize_t ret = 0; - - RTKBT_DBG("%s: BT usb char device is reading", __func__); - - while (count) { - hdev = hci_dev_get(0); - if (!hdev) { - /* - * Note: Only when BT device hotplugged out, we wil get - * into such situation. In order to keep the upper layer - * stack alive (blocking the read), we should never return - * EFAULT or break the loop. - */ - RTKBT_ERR("%s: Failed to get hci dev[Null]", __func__); - } - - ret = wait_event_interruptible(btchr_read_wait, !is_queue_empty()); - if (ret < 0) { - RTKBT_ERR("%s: wait event is signaled %d", __func__, 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__); - - 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; - - poll_wait(file_p, &btchr_read_wait, wait); - - return POLLOUT | POLLWRNORM; -} - -static struct file_operations bt_chrdev_ops = { - open : btchr_open, - release : btchr_close, - read : btchr_read, - write : btchr_write, - poll : btchr_poll -}; - -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); - - 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 ret_val; - - 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 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 (pid == patch_entry->prod_id) - break; - } - - if (i == entry_size) { - RTKBT_ERR("%s: No fw table entry found", __func__); - return NULL; - } - - return patch_entry; -} - -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("%s: chip id %d, patch length 0x%04x, patch offset 0x%08x, " - "coex version 20%06d-0x%04x, svn version 0x%08x, fw version 0x%08x", - __func__, p_entry->chip_id, p_entry->patch_length, p_entry->start_offset, - coex_date, coex_ver, p_entry->svn_version, p_entry->fw_version); - break; - } - } - - return p_entry; -} - -/* - * check the return value - * 1: need to download fw patch - * 0: no need to download fw patch - * <0: failed to check lmp version - */ -int check_fw_version(firmware_info* fw_info) -{ - struct hci_rp_read_local_version *read_ver_rsp; - patch_info *patch_entry = NULL; - int ret_val = -1; - - fw_info->cmd_hdr->opcode = cpu_to_le16(HCI_OP_READ_LOCAL_VERSION); - fw_info->cmd_hdr->plen = 0; - fw_info->pkt_len = CMD_HDR_LEN; - - ret_val = send_hci_cmd(fw_info); - if (ret_val < 0) { - RTKBT_ERR("%s: Failed to send hci cmd 0x%04x, errno %d", - __func__, fw_info->cmd_hdr->opcode, ret_val); - return ret_val; - } - - ret_val = rcv_hci_evt(fw_info); - if (ret_val < 0) { - RTKBT_ERR("%s: Failed to receive hci event, errno %d", - __func__, ret_val); - return ret_val; - } - - patch_entry = fw_info->patch_entry; - read_ver_rsp = (struct hci_rp_read_local_version *)(fw_info->rsp_para); - - RTKBT_INFO("%s: Controller lmp = 0x%04x, patch lmp = 0x%04x, default patch lmp = 0x%04x", - __func__, read_ver_rsp->lmp_subver, patch_entry->lmp_sub, patch_entry->lmp_sub_default); - - if (read_ver_rsp->lmp_subver == patch_entry->lmp_sub_default) { - RTKBT_INFO("%s: Cold BT controller startup", __func__); - return 1; - } 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; - } -} - -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; -} - -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; - 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, "mp_test", &udev->dev); - if (ret_val > 0) - config_file_buf = kzalloc(cfg->size, GFP_KERNEL); - if (config_file_buf) { - memcpy(config_file_buf, cfg->data, cfg->size); - use_mp_fw = *config_file_buf; - if (1 == use_mp_fw){ - fw_name = patch_entry->mp_patch_name; - RTKBT_WARN("%s: use_mp_fw = %04d, fw file name[%s]", __func__, use_mp_fw, fw_name); - } - kfree(config_file_buf); - release_firmware(cfg); - } -*/ - ret_val = request_firmware(&cfg, config_name, &udev->dev); - if (ret_val < 0) - config_len = 0; - else { - config_file_buf = kzalloc(cfg->size, GFP_KERNEL); - if (!config_file_buf) - return -ENOMEM; - memcpy(config_file_buf, cfg->data, cfg->size); - config_len = cfg->size; - release_firmware(cfg); - } - - ret_val = request_firmware(&fw, fw_name, &udev->dev); - if (ret_val < 0) - goto fw_fail; - else { - epatch_buf = kzalloc(fw->size, GFP_KERNEL); - 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); - kfree(epatch_buf); - 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__); - 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 0x%04x " - "-> not match", __func__, lmp_version, 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 0x%04x " - "-> match", __func__, lmp_version, 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); - } - kfree(epatch_buf); - epatch_buf = NULL; - - if (config_len) - memcpy(&buf[buf_len - config_len], config_file_buf, config_len); - } - } - } - } - - if (config_file_buf) - kfree(config_file_buf); - - RTKBT_INFO("%s: fw%s exists, config file%s exists", __func__, - (buf_len > 0) ? "" : " not", (config_len > 0) ? "":" not"); - - if (buf && buf_len > 0 && need_download_fw) - *buff = buf; - - RTKBT_DBG("%s: done", __func__); - - return buf_len; - -fw_fail: - if (config_file_buf) - kfree(config_file_buf); - return ret_val; -} - -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; -} - -/* - * 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; - 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; - } - - ret_val = check_fw_version(fw_info); - if (ret_val > 0) { - ret_val = download_data(fw_info); - if (ret_val > 0) - RTKBT_DBG("%s: Download fw patch done, fw len %d", __func__, ret_val); - } - /* Free fw data after download finished */ - kfree(fw_info->fw_data); - fw_info->fw_data = NULL; - -end: - return ret_val; -} - -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 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); -} - -static struct usb_driver btusb_driver; - -static struct usb_device_id btusb_table[] = { - { .match_flags = USB_DEVICE_ID_MATCH_VENDOR | - USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = 0x0bda, - .bInterfaceClass = 0xe0, - .bInterfaceSubClass = 0x01, - .bInterfaceProtocol = 0x01 }, - - { .match_flags = USB_DEVICE_ID_MATCH_VENDOR | - USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = 0x13d3, - .bInterfaceClass = 0xe0, - .bInterfaceSubClass = 0x01, - .bInterfaceProtocol = 0x01 }, - - { } -}; - -MODULE_DEVICE_TABLE(usb, btusb_table); - -static int inc_tx(struct btusb_data *data) -{ - unsigned long flags; - int rv; - - spin_lock_irqsave(&data->txlock, flags); - rv = test_bit(BTUSB_SUSPENDING, &data->flags); - if (!rv) - data->tx_in_flight++; - spin_unlock_irqrestore(&data->txlock, flags); - - return rv; -} - -void check_sco_event(struct urb *urb) -{ - u8* opcode = (u8*)(urb->transfer_buffer); - u8 status; - static uint16_t sco_handle = 0; - uint16_t handle; - struct hci_dev *hdev = urb->context; - struct btusb_data *data = GET_DRV_DATA(hdev); - - switch (*opcode) { - case HCI_EV_SYNC_CONN_COMPLETE: - RTKBT_INFO("%s: HCI_EV_SYNC_CONN_COMPLETE(0x%02x)", __func__, *opcode); - status = *(opcode + 2); - sco_handle = *(opcode + 3) | *(opcode + 4) << 8; - if (status == 0) { - hdev->conn_hash.sco_num++; - schedule_work(&data->work); - } - break; - case HCI_EV_DISCONN_COMPLETE: - RTKBT_INFO("%s: HCI_EV_DISCONN_COMPLETE(0x%02x)", __func__, *opcode); - status = *(opcode + 2); - handle = *(opcode + 3) | *(opcode + 4) << 8; - if (status == 0 && sco_handle == handle) { - hdev->conn_hash.sco_num--; - schedule_work(&data->work); - } - break; - default: - RTKBT_DBG("%s: event 0x%02x", __func__, *opcode); - break; - } -} - -static void btusb_intr_complete(struct urb *urb) -{ - struct hci_dev *hdev = urb->context; - struct btusb_data *data = GET_DRV_DATA(hdev); - int err; - - RTKBT_DBG("%s: urb %p status %d count %d ", __func__, - urb, urb->status, urb->actual_length); - - check_sco_event(urb); - - if (!test_bit(HCI_RUNNING, &hdev->flags)) - return; - - - if (urb->status == 0) { - hdev->stat.byte_rx += urb->actual_length; - - if (hci_recv_fragment(hdev, HCI_EVENT_PKT, - urb->transfer_buffer, - urb->actual_length) < 0) { - RTKBT_ERR("%s: Corrupted event packet", __func__); - hdev->stat.err_rx++; - } - } - /* Avoid suspend failed when usb_kill_urb */ - else if(urb->status == -ENOENT) { - return; - } - - - if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) - return; - - usb_mark_last_busy(data->udev); - usb_anchor_urb(urb, &data->intr_anchor); - - err = usb_submit_urb(urb, GFP_ATOMIC); - if (err < 0) { - /* EPERM: urb is being killed; - * ENODEV: device got disconnected */ - if (err != -EPERM && err != -ENODEV) - RTKBT_ERR("%s: Failed to re-submit urb %p, err %d", - __func__, urb, err); - usb_unanchor_urb(urb); - } -} - -static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) -{ - struct btusb_data *data = GET_DRV_DATA(hdev); - struct urb *urb; - unsigned char *buf; - unsigned int pipe; - int err, size; - - if (!data->intr_ep) - return -ENODEV; - - urb = usb_alloc_urb(0, mem_flags); - if (!urb) - return -ENOMEM; - - size = le16_to_cpu(data->intr_ep->wMaxPacketSize); - - buf = kmalloc(size, mem_flags); - if (!buf) { - usb_free_urb(urb); - return -ENOMEM; - } - - RTKBT_DBG("%s: mMaxPacketSize %d, bEndpointAddress 0x%02x", - __func__, size, data->intr_ep->bEndpointAddress); - - pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); - - usb_fill_int_urb(urb, data->udev, pipe, buf, size, - btusb_intr_complete, hdev, - data->intr_ep->bInterval); - - urb->transfer_flags |= URB_FREE_BUFFER; - - usb_anchor_urb(urb, &data->intr_anchor); - - err = usb_submit_urb(urb, mem_flags); - if (err < 0) { - RTKBT_ERR("%s: Failed to submit urb %p, err %d", - __func__, urb, err); - usb_unanchor_urb(urb); - } - - usb_free_urb(urb); - - return err; -} - -static void btusb_bulk_complete(struct urb *urb) -{ - struct hci_dev *hdev = urb->context; - struct btusb_data *data = GET_DRV_DATA(hdev); - int err; - - RTKBT_DBG("%s: urb %p status %d count %d", - __func__, urb, urb->status, urb->actual_length); - - if (!test_bit(HCI_RUNNING, &hdev->flags)) - return; - - if (urb->status == 0) { - hdev->stat.byte_rx += urb->actual_length; - - if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, - urb->transfer_buffer, - urb->actual_length) < 0) { - RTKBT_ERR("%s: Corrupted ACL packet", __func__); - hdev->stat.err_rx++; - } - } - /* Avoid suspend failed when usb_kill_urb */ - else if(urb->status == -ENOENT) { - return; - } - - - if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) - return; - - usb_anchor_urb(urb, &data->bulk_anchor); - usb_mark_last_busy(data->udev); - - err = usb_submit_urb(urb, GFP_ATOMIC); - if (err < 0) { - /* -EPERM: urb is being killed; - * -ENODEV: device got disconnected */ - if (err != -EPERM && err != -ENODEV) - RTKBT_ERR("btusb_bulk_complete %s urb %p failed to resubmit (%d)", - hdev->name, urb, -err); - usb_unanchor_urb(urb); - } -} - -static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) -{ - struct btusb_data *data = GET_DRV_DATA(hdev); - struct urb *urb; - unsigned char *buf; - unsigned int pipe; - int err, size = HCI_MAX_FRAME_SIZE; - - RTKBT_DBG("%s: hdev name %s", __func__, hdev->name); - - if (!data->bulk_rx_ep) - return -ENODEV; - - urb = usb_alloc_urb(0, mem_flags); - if (!urb) - return -ENOMEM; - - buf = kmalloc(size, mem_flags); - if (!buf) { - usb_free_urb(urb); - return -ENOMEM; - } - - pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); - - usb_fill_bulk_urb(urb, data->udev, pipe, - buf, size, btusb_bulk_complete, hdev); - - urb->transfer_flags |= URB_FREE_BUFFER; - - usb_mark_last_busy(data->udev); - usb_anchor_urb(urb, &data->bulk_anchor); - - err = usb_submit_urb(urb, mem_flags); - if (err < 0) { - RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err); - usb_unanchor_urb(urb); - } - - usb_free_urb(urb); - - return err; -} - -static void btusb_isoc_complete(struct urb *urb) -{ - struct hci_dev *hdev = urb->context; - struct btusb_data *data = GET_DRV_DATA(hdev); - int i, err; - - - RTKBT_DBG("%s: urb %p status %d count %d", - __func__, urb, urb->status, urb->actual_length); - - if (!test_bit(HCI_RUNNING, &hdev->flags)) - return; - - if (urb->status == 0) { - for (i = 0; i < urb->number_of_packets; i++) { - unsigned int offset = urb->iso_frame_desc[i].offset; - unsigned int length = urb->iso_frame_desc[i].actual_length; - - if (urb->iso_frame_desc[i].status) - continue; - - hdev->stat.byte_rx += length; - - if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, - urb->transfer_buffer + offset, - length) < 0) { - RTKBT_ERR("%s: Corrupted SCO packet", __func__); - hdev->stat.err_rx++; - } - } - } - /* Avoid suspend failed when usb_kill_urb */ - else if(urb->status == -ENOENT) { - return; - } - - - if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) - return; - - usb_anchor_urb(urb, &data->isoc_anchor); - i = 0; -retry: - err = usb_submit_urb(urb, GFP_ATOMIC); - if (err < 0) { - /* -EPERM: urb is being killed; - * -ENODEV: device got disconnected */ - if (err != -EPERM && err != -ENODEV) - RTKBT_ERR("%s: Failed to re-sumbit urb %p, retry %d, err %d", - __func__, urb, i, err); - if (i < 10) { - i++; - mdelay(1); - goto retry; - } - - usb_unanchor_urb(urb); - } -} - -static inline void fill_isoc_descriptor(struct urb *urb, int len, int mtu) -{ - int i, offset = 0; - - RTKBT_DBG("%s: len %d mtu %d", __func__, len, mtu); - - for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; - i++, offset += mtu, len -= mtu) { - urb->iso_frame_desc[i].offset = offset; - urb->iso_frame_desc[i].length = mtu; - } - - if (len && i < BTUSB_MAX_ISOC_FRAMES) { - urb->iso_frame_desc[i].offset = offset; - urb->iso_frame_desc[i].length = len; - i++; - } - - urb->number_of_packets = i; -} - -static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) -{ - struct btusb_data *data = GET_DRV_DATA(hdev); - struct urb *urb; - unsigned char *buf; - unsigned int pipe; - int err, size; - - if (!data->isoc_rx_ep) - return -ENODEV; - - urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); - if (!urb) - return -ENOMEM; - - size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * - BTUSB_MAX_ISOC_FRAMES; - - buf = kmalloc(size, mem_flags); - if (!buf) { - usb_free_urb(urb); - return -ENOMEM; - } - - pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); - - urb->dev = data->udev; - urb->pipe = pipe; - urb->context = hdev; - urb->complete = btusb_isoc_complete; - urb->interval = data->isoc_rx_ep->bInterval; - - urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; - urb->transfer_buffer = buf; - urb->transfer_buffer_length = size; - - fill_isoc_descriptor(urb, size, - le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); - - usb_anchor_urb(urb, &data->isoc_anchor); - - err = usb_submit_urb(urb, mem_flags); - if (err < 0) { - RTKBT_ERR("%s: Failed to submit urb %p, err %d", __func__, urb, err); - usb_unanchor_urb(urb); - } - - usb_free_urb(urb); - - return err; -} - -static void btusb_tx_complete(struct urb *urb) -{ - struct sk_buff *skb = urb->context; - struct hci_dev *hdev = (struct hci_dev *) skb->dev; - struct btusb_data *data = GET_DRV_DATA(hdev); - - if (!test_bit(HCI_RUNNING, &hdev->flags)) - goto done; - - if (!urb->status) - hdev->stat.byte_tx += urb->transfer_buffer_length; - else - hdev->stat.err_tx++; - -done: - spin_lock(&data->txlock); - data->tx_in_flight--; - spin_unlock(&data->txlock); - - kfree(urb->setup_packet); - - kfree_skb(skb); -} - -static void btusb_isoc_tx_complete(struct urb *urb) -{ - struct sk_buff *skb = urb->context; - struct hci_dev *hdev = (struct hci_dev *) skb->dev; - - RTKBT_DBG("%s: urb %p status %d count %d", - __func__, urb, urb->status, urb->actual_length); - - if (skb && hdev) { - if (!test_bit(HCI_RUNNING, &hdev->flags)) - goto done; - - if (!urb->status) - hdev->stat.byte_tx += urb->transfer_buffer_length; - else - hdev->stat.err_tx++; - } else - RTKBT_ERR("%s: skb 0x%p hdev 0x%p", __func__, skb, hdev); - -done: - kfree(urb->setup_packet); - - kfree_skb(skb); -} - -static int btusb_open(struct hci_dev *hdev) -{ - struct btusb_data *data = GET_DRV_DATA(hdev); - int err = 0; - - RTKBT_INFO("%s: Start, PM usage count %d", __func__, - atomic_read(&(data->intf->pm_usage_cnt))); - - err = usb_autopm_get_interface(data->intf); - if (err < 0) - return err; - - data->intf->needs_remote_wakeup = 1; - - err = download_patch(data->fw_info, 1); - if (err < 0) goto failed; - - 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; -} - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0) -static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) -{ -#else -static int btusb_send_frame(struct sk_buff *skb) -{ - struct hci_dev *hdev = (struct hci_dev *) skb->dev; -#endif - 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; - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 13, 0) - skb->dev = (void *)hdev; -#endif - - switch (bt_cb(skb)->pkt_type) { - case HCI_COMMAND_PKT: - print_command(skb); - urb = usb_alloc_urb(0, GFP_ATOMIC); - if (!urb) - return -ENOMEM; - - dr = kmalloc(sizeof(*dr), GFP_ATOMIC); - if (!dr) { - usb_free_urb(urb); - return -ENOMEM; - } - - dr->bRequestType = data->cmdreq_type; - dr->bRequest = 0; - dr->wIndex = 0; - dr->wValue = 0; - dr->wLength = __cpu_to_le16(skb->len); - - pipe = usb_sndctrlpipe(data->udev, 0x00); - - usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, - skb->data, skb->len, btusb_tx_complete, skb); - - hdev->stat.cmd_tx++; - break; - - case HCI_ACLDATA_PKT: - 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); - - 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 void btusb_work(struct work_struct *work) -{ - struct btusb_data *data = container_of(work, struct btusb_data, work); - struct hci_dev *hdev = data->hdev; - int err; - int new_alts; - - if (hdev->conn_hash.sco_num > 0) { - if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { - err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); - if (err < 0) { - clear_bit(BTUSB_ISOC_RUNNING, &data->flags); - mdelay(URB_CANCELING_DELAY_MS); - usb_kill_anchored_urbs(&data->isoc_anchor); - return; - } - - set_bit(BTUSB_DID_ISO_RESUME, &data->flags); - } -#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 7, 1) - if (hdev->voice_setting & 0x0020) { - static const int alts[3] = { 2, 4, 5 }; - new_alts = alts[hdev->conn_hash.sco_num - 1]; - } else{ - new_alts = hdev->conn_hash.sco_num; - } - if (data->isoc_altsetting != new_alts) { -#else - if (data->isoc_altsetting != 2) { - new_alts = 2; -#endif - - clear_bit(BTUSB_ISOC_RUNNING, &data->flags); - mdelay(URB_CANCELING_DELAY_MS); - usb_kill_anchored_urbs(&data->isoc_anchor); - - if (set_isoc_interface(hdev, new_alts) < 0) - return; - } - - if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { - if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) - clear_bit(BTUSB_ISOC_RUNNING, &data->flags); - else - btusb_submit_isoc_urb(hdev, GFP_KERNEL); - } - } else { - clear_bit(BTUSB_ISOC_RUNNING, &data->flags); - mdelay(URB_CANCELING_DELAY_MS); - usb_kill_anchored_urbs(&data->isoc_anchor); - - set_isoc_interface(hdev, 0); - if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) - usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); - } -} - -static void btusb_waker(struct work_struct *work) -{ - struct btusb_data *data = container_of(work, struct btusb_data, waker); - int err; - - RTKBT_DBG("%s: PM usage count %d", __func__, - atomic_read(&data->intf->pm_usage_cnt)); - - err = usb_autopm_get_interface(data->intf); - if (err < 0) - return; - - usb_autopm_put_interface(data->intf); -} - - -//#ifdef CONFIG_HAS_EARLYSUSPEND -#if 0 -static void btusb_early_suspend(struct early_suspend *h) -{ - struct btusb_data *data; - firmware_info *fw_info; - patch_info *patch_entry; - - RTKBT_INFO("%s", __func__); - - data = container_of(h, struct btusb_data, early_suspend); - fw_info = data->fw_info; - patch_entry = fw_info->patch_entry; - - patch_entry->fw_len = load_firmware(fw_info, &patch_entry->fw_cache); - if (patch_entry->fw_len <= 0) { - /* We may encount failure in loading firmware, just give a warning */ - RTKBT_WARN("%s: Failed to load firmware", __func__); - } -} - -static void btusb_late_resume(struct early_suspend *h) -{ - struct btusb_data *data; - firmware_info *fw_info; - patch_info *patch_entry; - - RTKBT_INFO("%s", __func__); - - data = container_of(h, struct btusb_data, early_suspend); - fw_info = data->fw_info; - patch_entry = fw_info->patch_entry; - - /* Reclaim fw buffer when bt usb resumed */ - if (patch_entry->fw_len > 0) { - kfree(patch_entry->fw_cache); - patch_entry->fw_cache = NULL; - patch_entry->fw_len = 0; - } -} -#else -int bt_pm_notify(struct notifier_block *notifier, ulong pm_event, void *unused) -{ - struct btusb_data *data; - firmware_info *fw_info; - patch_info *patch_entry; - struct usb_device *udev; - - RTKBT_INFO("%s: pm event %ld", __func__, pm_event); - - data = container_of(notifier, struct btusb_data, pm_notifier); - fw_info = data->fw_info; - patch_entry = fw_info->patch_entry; - udev = fw_info->udev; - - switch (pm_event) { - case PM_SUSPEND_PREPARE: - case PM_HIBERNATION_PREPARE: - 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__); - } - - 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: - /* 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; - } -#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; -} -#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; - - spin_lock_init(&data->lock); - - INIT_WORK(&data->work, btusb_work); - INIT_WORK(&data->waker, btusb_waker); - spin_lock_init(&data->txlock); - - init_usb_anchor(&data->tx_anchor); - init_usb_anchor(&data->intr_anchor); - init_usb_anchor(&data->bulk_anchor); - init_usb_anchor(&data->isoc_anchor); - init_usb_anchor(&data->deferred); - - fw_info = firmware_info_init(intf); - if (fw_info) - data->fw_info = fw_info; - else { - RTKBT_WARN("%s: Failed to initialize fw info", __func__); - /* Skip download patch */ - goto end; - } - - RTKBT_INFO("%s: download begining...", __func__); - -#if CONFIG_BLUEDROID - mutex_lock(&btchr_mutex); -#endif - err = download_patch(fw_info, 0); - /* If download failed, we just throw out a warning */ - if (err < 0) - RTKBT_WARN("%s: Failed to download fw patch", __func__); -#if CONFIG_BLUEDROID - mutex_unlock(&btchr_mutex); -#endif - - RTKBT_INFO("%s: download ending...", __func__); - - hdev = hci_alloc_dev(); - if (!hdev) { - rtk_free(data); - data = NULL; - return -ENOMEM; - } - - HDEV_BUS = HCI_USB; - - data->hdev = hdev; - - SET_HCIDEV_DEV(hdev, &intf->dev); - - hdev->open = btusb_open; - hdev->close = btusb_close; - hdev->flush = btusb_flush; - hdev->send = btusb_send_frame; - hdev->notify = btusb_notify; - -#if LINUX_VERSION_CODE > KERNEL_VERSION(3, 4, 0) - hci_set_drvdata(hdev, data); -#else - hdev->driver_data = data; - hdev->destruct = btusb_destruct; - hdev->owner = THIS_MODULE; -#endif - -#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 7, 1) - if (!reset_on_close){ - /* set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); */ - RTKBT_DBG("%s: Set HCI_QUIRK_RESET_ON_CLOSE", __func__); - } -#endif - - /* Interface numbers are hardcoded in the specification */ - data->isoc = usb_ifnum_to_if(data->udev, 1); - if (data->isoc) { - err = usb_driver_claim_interface(&btusb_driver, - data->isoc, data); - if (err < 0) { - hci_free_dev(hdev); - hdev = NULL; - rtk_free(data); - data = NULL; - return err; - } - } - - err = hci_register_dev(hdev); - if (err < 0) { - hci_free_dev(hdev); - hdev = NULL; - rtk_free(data); - data = NULL; - return err; - } - - usb_set_intfdata(intf, data); - -//#ifdef CONFIG_HAS_EARLYSUSPEND -#if 0 - data->early_suspend.level = EARLY_SUSPEND_LEVEL_BLANK_SCREEN; - data->early_suspend.suspend = btusb_early_suspend; - data->early_suspend.resume = btusb_late_resume; - register_early_suspend(&data->early_suspend); -#else - data->pm_notifier.notifier_call = bt_pm_notify; - register_pm_notifier(&data->pm_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 = usb_get_intfdata(intf); - struct hci_dev *hdev = NULL; - - RTKBT_INFO("%s: usb_interface %p, bInterfaceNumber %d", - __func__, intf, intf->cur_altsetting->desc.bInterfaceNumber); - - if (intf->cur_altsetting->desc.bInterfaceNumber != 0) - return; - - if (data) - hdev = data->hdev; - else { - RTKBT_WARN("%s: Failed to get bt usb data[Null]", __func__); - return; - } - -//#ifdef CONFIG_HAS_EARLYSUSPEND -#if 0 - unregister_early_suspend(&data->early_suspend); -#else - unregister_pm_notifier(&data->pm_notifier); -#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; -} - -#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); - - 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 (!test_bit(HCI_RUNNING, &hdev->flags)) { - RTKBT_INFO("%s: Bt is off, download patch before bt is on", __func__); - download_patch(fw_info, 1); - } - - if (--data->suspend_count) - return 0; - - 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; - wifi_power_ctrl(1);//added by rubbit - RTKBT_INFO("Realtek Bluetooth USB driver module init, version %s", VERSION); -#if CONFIG_BLUEDROID - err = btchr_init(); - if (err < 0) { - /* usb register will go on, even bt char register failed */ - RTKBT_ERR("Failed to register usb char device interfaces"); - } else - bt_char_dev_registered = 1; -#endif - err = usb_register(&btusb_driver); - if (err < 0) - RTKBT_ERR("Failed to register RTK bluetooth USB driver"); - return err; -} - -static void __exit btusb_exit(void) -{ - RTKBT_INFO("Realtek Bluetooth USB driver module exit"); -#if CONFIG_BLUEDROID - if (bt_char_dev_registered > 0) - btchr_exit(); -#endif - usb_deregister(&btusb_driver); - wifi_power_ctrl(0);//added by rubbit -} - -module_init(btusb_init); -module_exit(btusb_exit); - -MODULE_AUTHOR("Realtek Corporation"); -MODULE_DESCRIPTION("Realtek Bluetooth USB driver version"); -MODULE_VERSION(VERSION); -MODULE_LICENSE("GPL"); |