usb/as102/as102_drv.h

0001 /* SPDX-License-Identifier: GPL-2.0-or-later */
0002 /*
0003  * Abilis Systems Single DVB-T Receiver
0004  * Copyright (C) 2008 Pierrick Hascoet <pierrick.hascoet@abilis.com>
0005  */
0006
0007 #ifndef _AS102_DRV_H
0008 #define _AS102_DRV_H
0009 #include <linux/usb.h>
0010 #include <media/dvb_demux.h>
0011 #include <media/dvb_frontend.h>
0012 #include <media/dmxdev.h>
0013 #include "as10x_handle.h"
0014 #include "as10x_cmd.h"
0015 #include "as102_usb_drv.h"
0016
0017 #define DRIVER_FULL_NAME "Abilis Systems as10x usb driver"
0018 #define DRIVER_NAME "as10x_usb"
0019
0020 #define debug   as102_debug
0021 extern struct usb_driver as102_usb_driver;
0022 extern int elna_enable;
0023
0024 #define AS102_DEVICE_MAJOR  192
0025
0026 #define AS102_USB_BUF_SIZE  512
0027 #define MAX_STREAM_URB      32
0028
0029 struct as10x_bus_adapter_t {
0030     struct usb_device *usb_dev;
0031     /* bus token lock */
0032     struct mutex lock;
0033     /* low level interface for bus adapter */
0034     union as10x_bus_token_t {
0035         /* usb token */
0036         struct as10x_usb_token_cmd_t usb;
0037     } token;
0038
0039     /* token cmd xfer id */
0040     uint16_t cmd_xid;
0041
0042     /* as10x command and response for dvb interface*/
0043     struct as10x_cmd_t *cmd, *rsp;
0044
0045     /* bus adapter private ops callback */
0046     const struct as102_priv_ops_t *ops;
0047 };
0048
0049 struct as102_dev_t {
0050     const char *name;
0051     struct as10x_bus_adapter_t bus_adap;
0052     struct list_head device_entry;
0053     struct kref kref;
0054     uint8_t elna_cfg;
0055
0056     struct dvb_adapter dvb_adap;
0057     struct dvb_frontend *dvb_fe;
0058     struct dvb_demux dvb_dmx;
0059     struct dmxdev dvb_dmxdev;
0060
0061     /* timer handle to trig ts stream download */
0062     struct timer_list timer_handle;
0063
0064     struct mutex sem;
0065     dma_addr_t dma_addr;
0066     void *stream;
0067     int streaming;
0068     struct urb *stream_urb[MAX_STREAM_URB];
0069 };
0070
0071 int as102_dvb_register(struct as102_dev_t *dev);
0072 void as102_dvb_unregister(struct as102_dev_t *dev);
0073
0074 #endif