drivers/media/usb/as102/as102_drv.h

   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
  21 extern struct usb_driver as102_usb_driver;
  22 extern 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
  29 struct 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
  49 struct 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
  71 int as102_dvb_register(struct as102_dev_t *dev);
  72 void as102_dvb_unregister(struct as102_dev_t *dev);
  73
  74 #endif