LXR linux/drivers/staging/gdm724x/gdm

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/* Copyright (c) 2012 GCT Semiconductor, Inc. All rights reserved. */
   3
   4#ifndef _GDM_USB_H_
   5#define _GDM_USB_H_
   6
   7#include <linux/types.h>
   8#include <linux/usb.h>
   9#include <linux/list.h>
  10#include <linux/time.h>
  11
  12#include "gdm_endian.h"
  13#include "hci_packet.h"
  14
  15#define PM_NORMAL 0
  16#define PM_SUSPEND 1
  17#define AUTO_SUSPEND_TIMER 5000 /* ms */
  18
  19#define RX_BUF_SIZE             (1024 * 32)
  20#define TX_BUF_SIZE             (1024 * 32)
  21#define SDU_BUF_SIZE    2048
  22#define MAX_SDU_SIZE    (1024 * 30)
  23#define MAX_PACKET_IN_MULTI_SDU 256
  24
  25#define VID_GCT                 0x1076
  26#define PID_GDM7240             0x8000
  27#define PID_GDM7243             0x9000
  28
  29#define NETWORK_INTERFACE 1
  30#define USB_SC_SCSI 0x06
  31#define USB_PR_BULK 0x50
  32
  33#define MAX_NUM_SDU_BUF 64
  34
  35struct usb_tx {
  36        struct list_head list;
  37        struct urb *urb;
  38        u8 *buf;
  39        u32 len;
  40        void (*callback)(void *cb_data);
  41        void *cb_data;
  42        struct tx_cxt *tx;
  43        u8 is_sdu;
  44};
  45
  46struct usb_tx_sdu {
  47        struct list_head list;
  48        u8 *buf;
  49        u32 len;
  50        void (*callback)(void *cb_data);
  51        void *cb_data;
  52};
  53
  54struct usb_rx {
  55        struct list_head to_host_list;
  56        struct list_head free_list;
  57        struct list_head rx_submit_list;
  58        struct rx_cxt   *rx;
  59        struct urb *urb;
  60        u8 *buf;
  61        int (*callback)(void *cb_data, void *data, int len, int context);
  62        void *cb_data;
  63        void *index;
  64};
  65
  66struct tx_cxt {
  67        struct list_head sdu_list;
  68        struct list_head hci_list;
  69        struct list_head free_list;
  70        u32 avail_count;
  71        spinlock_t lock;
  72};
  73
  74struct rx_cxt {
  75        struct list_head to_host_list;
  76        struct list_head rx_submit_list;
  77        struct list_head free_list;
  78        u32     avail_count;
  79        spinlock_t to_host_lock;
  80        spinlock_t rx_lock;
  81        spinlock_t submit_lock;
  82};
  83
  84struct lte_udev {
  85        struct usb_device *usbdev;
  86        struct tx_cxt tx;
  87        struct rx_cxt rx;
  88        struct delayed_work work_tx;
  89        struct delayed_work work_rx;
  90        u8 gdm_ed;
  91        u8 send_complete;
  92        u8 tx_stop;
  93        struct usb_interface *intf;
  94        int (*rx_cb)(void *cb_data, void *data, int len, int context);
  95        int usb_state;
  96        u8 request_mac_addr;
  97};
  98
  99#endif /* _GDM_USB_H_ */
 100