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122 lines
2.8 KiB
122 lines
2.8 KiB
/* Copyright (c) 2014-2020, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef DIAGUSB_H
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#define DIAGUSB_H
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#ifdef CONFIG_DIAG_OVER_USB
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#include <linux/usb/usbdiag.h>
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#endif
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#include "diagchar.h"
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#include "diag_mux.h"
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#define DIAG_USB_LOCAL 0
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#define DIAG_USB_LOCAL_LAST 1
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#define DIAG_USB_BRIDGE_BASE DIAG_USB_LOCAL_LAST
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#define DIAG_USB_MDM (DIAG_USB_BRIDGE_BASE)
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#define DIAG_USB_MDM2 (DIAG_USB_BRIDGE_BASE + 1)
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#define DIAG_USB_QSC (DIAG_USB_BRIDGE_BASE + 2)
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#define DIAG_USB_BRIDGE_LAST (DIAG_USB_BRIDGE_BASE + 3)
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#ifndef CONFIG_DIAGFWD_BRIDGE_CODE
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#define NUM_DIAG_USB_DEV DIAG_USB_LOCAL_LAST
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#else
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#define NUM_DIAG_USB_DEV DIAG_USB_BRIDGE_LAST
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#endif
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#define DIAG_USB_NAME_SZ 24
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#define DIAG_USB_GET_NAME(x) (diag_usb[x].name)
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#define DIAG_USB_MODE 0
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struct diag_usb_buf_tbl_t {
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struct list_head track;
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unsigned char *buf;
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uint32_t len;
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atomic_t ref_count;
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int ctxt;
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};
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struct diag_usb_event_q {
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struct list_head link;
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int data;
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};
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struct diag_usb_info {
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int id;
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int ctxt;
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char name[DIAG_USB_NAME_SZ];
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atomic_t connected;
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atomic_t diag_state;
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atomic_t read_pending;
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int enabled;
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int mempool;
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int max_size;
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struct list_head buf_tbl;
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unsigned long read_cnt;
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unsigned long write_cnt;
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spinlock_t lock;
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spinlock_t write_lock;
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spinlock_t event_lock;
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struct usb_diag_ch *hdl;
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struct diag_mux_ops *ops;
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unsigned char *read_buf;
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struct diag_request *read_ptr;
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struct work_struct read_work;
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struct work_struct read_done_work;
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struct work_struct event_work;
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struct workqueue_struct *usb_wq;
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wait_queue_head_t wait_q;
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struct list_head event_q;
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};
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#ifdef CONFIG_DIAG_OVER_USB
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extern struct diag_usb_info diag_usb[NUM_DIAG_USB_DEV];
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int diag_usb_register(int id, int ctxt, struct diag_mux_ops *ops);
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int diag_usb_queue_read(int id);
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int diag_usb_write(int id, unsigned char *buf, int len, int ctxt);
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void diag_usb_connect_all(void);
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void diag_usb_disconnect_all(void);
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void diag_usb_connect_device(int id);
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void diag_usb_disconnect_device(int id);
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void diag_usb_exit(int id);
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#else
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int diag_usb_register(int id, int ctxt, struct diag_mux_ops *ops)
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{
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return 0;
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}
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int diag_usb_queue_read(int id)
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{
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return 0;
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}
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int diag_usb_write(int id, unsigned char *buf, int len, int ctxt)
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{
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return 0;
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}
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void diag_usb_connect_all(void)
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{
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}
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void diag_usb_disconnect_all(void)
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{
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}
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void diag_usb_connect_device(int id)
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{
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}
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void diag_usb_disconnect_device(int id)
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{
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}
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void diag_usb_exit(int id)
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{
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}
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#endif
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#endif
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