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 75