LXR linux/drivers/media/usb/as102/as102

   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