1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Abilis Systems Single DVB-T Receiver
4 * Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@abilis.com>
5 */
6
7#ifndef _AS102_DRV_H
8#define _AS102_DRV_H
9#include <linux/usb.h>
10#include <media/dvb_demux.h>
11#include <media/dvb_frontend.h>
12#include <media/dmxdev.h>
13#include "as10x_handle.h"
14#include "as10x_cmd.h"
15#include "as102_usb_drv.h"
16
17#define DRIVER_FULL_NAME "Abilis Systems as10x usb driver"
18#define DRIVER_NAME "as10x_usb"
19
20#define debug as102_debug
21extern struct usb_driver as102_usb_driver;
22extern int elna_enable;
23
24#define AS102_DEVICE_MAJOR 192
25
26#define AS102_USB_BUF_SIZE 512
27#define MAX_STREAM_URB 32
28
29struct as10x_bus_adapter_t {
30 struct usb_device *usb_dev;
31 /* bus token lock */
32 struct mutex lock;
33 /* low level interface for bus adapter */
34 union as10x_bus_token_t {
35 /* usb token */
36 struct as10x_usb_token_cmd_t usb;
37 } token;
38
39 /* token cmd xfer id */
40 uint16_t cmd_xid;
41
42 /* as10x command and response for dvb interface*/
43 struct as10x_cmd_t *cmd, *rsp;
44
45 /* bus adapter private ops callback */
46 const struct as102_priv_ops_t *ops;
47};
48
49struct as102_dev_t {
50 const char *name;
51 struct as10x_bus_adapter_t bus_adap;
52 struct list_head device_entry;
53 struct kref kref;
54 uint8_t elna_cfg;
55
56 struct dvb_adapter dvb_adap;
57 struct dvb_frontend *dvb_fe;
58 struct dvb_demux dvb_dmx;
59 struct dmxdev dvb_dmxdev;
60
61 /* timer handle to trig ts stream download */
62 struct timer_list timer_handle;
63
64 struct mutex sem;
65 dma_addr_t dma_addr;
66 void *stream;
67 int streaming;
68 struct urb *stream_urb[MAX_STREAM_URB];
69};
70
71int as102_dvb_register(struct as102_dev_t *dev);
72void as102_dvb_unregister(struct as102_dev_t *dev);
73
74#endif
75

source code of linux/drivers/media/usb/as102/as102_drv.h