1 /*
2  * Abilis Systems Single DVB-T Receiver
3  * Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@abilis.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2, or (at your option)
8  * any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15 
16 #ifndef _AS102_DRV_H
17 #define _AS102_DRV_H
18 #include <linux/usb.h>
19 #include <media/dvb_demux.h>
20 #include <media/dvb_frontend.h>
21 #include <media/dmxdev.h>
22 #include "as10x_handle.h"
23 #include "as10x_cmd.h"
24 #include "as102_usb_drv.h"
25 
26 #define DRIVER_FULL_NAME "Abilis Systems as10x usb driver"
27 #define DRIVER_NAME "as10x_usb"
28 
29 #define debug	as102_debug
30 extern struct usb_driver as102_usb_driver;
31 extern int elna_enable;
32 
33 #define AS102_DEVICE_MAJOR	192
34 
35 #define AS102_USB_BUF_SIZE	512
36 #define MAX_STREAM_URB		32
37 
38 struct as10x_bus_adapter_t {
39 	struct usb_device *usb_dev;
40 	/* bus token lock */
41 	struct mutex lock;
42 	/* low level interface for bus adapter */
43 	union as10x_bus_token_t {
44 		/* usb token */
45 		struct as10x_usb_token_cmd_t usb;
46 	} token;
47 
48 	/* token cmd xfer id */
49 	uint16_t cmd_xid;
50 
51 	/* as10x command and response for dvb interface*/
52 	struct as10x_cmd_t *cmd, *rsp;
53 
54 	/* bus adapter private ops callback */
55 	const struct as102_priv_ops_t *ops;
56 };
57 
58 struct as102_dev_t {
59 	const char *name;
60 	struct as10x_bus_adapter_t bus_adap;
61 	struct list_head device_entry;
62 	struct kref kref;
63 	uint8_t elna_cfg;
64 
65 	struct dvb_adapter dvb_adap;
66 	struct dvb_frontend *dvb_fe;
67 	struct dvb_demux dvb_dmx;
68 	struct dmxdev dvb_dmxdev;
69 
70 	/* timer handle to trig ts stream download */
71 	struct timer_list timer_handle;
72 
73 	struct mutex sem;
74 	dma_addr_t dma_addr;
75 	void *stream;
76 	int streaming;
77 	struct urb *stream_urb[MAX_STREAM_URB];
78 };
79 
80 int as102_dvb_register(struct as102_dev_t *dev);
81 void as102_dvb_unregister(struct as102_dev_t *dev);
82 
83 #endif
84