drivers/staging/gdm724x/gdm_usb.h

   1 /*
   2  * Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved.
   3  *
   4  * This software is licensed under the terms of the GNU General Public
   5  * License version 2, as published by the Free Software Foundation, and
   6  * may be copied, distributed, and modified under those terms.
   7  *
   8  * This program is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11  * GNU General Public License for more details.
  12  */
  13
  14 #ifndef _GDM_USB_H_
  15 #define _GDM_USB_H_
  16
  17 #include <linux/types.h>
  18 #include <linux/usb.h>
  19 #include <linux/list.h>
  20 #include <linux/time.h>
  21
  22 #include "gdm_endian.h"
  23 #include "hci_packet.h"
  24
  25 #define PM_NORMAL 0
  26 #define PM_SUSPEND 1
  27 #define AUTO_SUSPEND_TIMER 5000 /* ms */
  28
  29 #define RX_BUF_SIZE             (1024*32)
  30 #define TX_BUF_SIZE             (1024*32)
  31 #define SDU_BUF_SIZE    2048
  32 #define MAX_SDU_SIZE    (1024*30)
  33 #define MAX_PACKET_IN_MULTI_SDU 256
  34
  35 #define VID_GCT                 0x1076
  36 #define PID_GDM7240             0x8000
  37 #define PID_GDM7243             0x9000
  38
  39 #define NETWORK_INTERFACE 1
  40 #define USB_SC_SCSI 0x06
  41 #define USB_PR_BULK 0x50
  42
  43 #define MAX_NUM_SDU_BUF 64
  44
  45 struct usb_tx {
  46         struct list_head list;
  47         struct urb *urb;
  48         u8 *buf;
  49         u32 len;
  50         void (*callback)(void *cb_data);
  51         void *cb_data;
  52         struct tx_cxt *tx;
  53         u8 is_sdu;
  54 };
  55
  56 struct usb_tx_sdu {
  57         struct list_head list;
  58         u8 *buf;
  59         u32 len;
  60         void (*callback)(void *cb_data);
  61         void *cb_data;
  62 };
  63
  64 struct usb_rx {
  65         struct list_head to_host_list;
  66         struct list_head free_list;
  67         struct list_head rx_submit_list;
  68         struct rx_cxt   *rx;
  69         struct urb *urb;
  70         u8 *buf;
  71         int (*callback)(void *cb_data, void *data, int len, int context);
  72         void *cb_data;
  73         void *index;
  74 };
  75
  76 struct tx_cxt {
  77         struct list_head sdu_list;
  78         struct list_head hci_list;
  79         struct list_head free_list;
  80         u32 avail_count;
  81         spinlock_t lock;
  82 };
  83
  84 struct rx_cxt {
  85         struct list_head to_host_list;
  86         struct list_head rx_submit_list;
  87         struct list_head free_list;
  88         u32     avail_count;
  89         spinlock_t to_host_lock;
  90         spinlock_t rx_lock;
  91         spinlock_t submit_lock;
  92 };
  93
  94 struct lte_udev {
  95         struct usb_device *usbdev;
  96         struct gdm_endian gdm_ed;
  97         struct tx_cxt tx;
  98         struct rx_cxt rx;
  99         struct delayed_work work_tx;
 100         struct delayed_work work_rx;
 101         u8 send_complete;
 102         u8 tx_stop;
 103         struct usb_interface *intf;
 104         int (*rx_cb)(void *cb_data, void *data, int len, int context);
 105         int usb_state;
 106         u8 request_mac_addr;
 107 };
 108
 109 #endif /* _GDM_USB_H_ */