1 /* DVB USB framework compliant Linux driver for the AVerMedia AverTV DVB-T 2 * USB2.0 (A800) DVB-T receiver. 3 * 4 * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@posteo.de) 5 * 6 * Thanks to 7 * - AVerMedia who kindly provided information and 8 * - Glen Harris who suffered from my mistakes during development. 9 * 10 * This program is free software; you can redistribute it and/or modify it 11 * under the terms of the GNU General Public License as published by the Free 12 * Software Foundation, version 2. 13 * 14 * see Documentation/dvb/README.dvb-usb for more information 15 */ 16 #include "dibusb.h" 17 18 static int debug; 19 module_param(debug, int, 0644); 20 MODULE_PARM_DESC(debug, "set debugging level (rc=1 (or-able))." DVB_USB_DEBUG_STATUS); 21 22 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); 23 24 #define deb_rc(args...) dprintk(debug,0x01,args) 25 26 static int a800_power_ctrl(struct dvb_usb_device *d, int onoff) 27 { 28 /* do nothing for the AVerMedia */ 29 return 0; 30 } 31 32 /* assure to put cold to 0 for iManufacturer == 1 */ 33 static int a800_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props, 34 struct dvb_usb_device_description **desc, int *cold) 35 { 36 *cold = udev->descriptor.iManufacturer != 1; 37 return 0; 38 } 39 40 static int a800_rc_query(struct dvb_usb_device *d) 41 { 42 int ret = 0; 43 u8 *key = kmalloc(5, GFP_KERNEL); 44 if (!key) 45 return -ENOMEM; 46 47 if (usb_control_msg(d->udev,usb_rcvctrlpipe(d->udev,0), 48 0x04, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, key, 5, 49 2000) != 5) { 50 ret = -ENODEV; 51 goto out; 52 } 53 54 /* Note that extended nec and nec32 are dropped */ 55 if (key[0] == 1) 56 rc_keydown(d->rc_dev, RC_PROTO_NEC, 57 RC_SCANCODE_NEC(key[1], key[3]), 0); 58 else if (key[0] == 2) 59 rc_repeat(d->rc_dev); 60 out: 61 kfree(key); 62 return ret; 63 } 64 65 /* USB Driver stuff */ 66 static struct dvb_usb_device_properties a800_properties; 67 68 static int a800_probe(struct usb_interface *intf, 69 const struct usb_device_id *id) 70 { 71 return dvb_usb_device_init(intf, &a800_properties, 72 THIS_MODULE, NULL, adapter_nr); 73 } 74 75 /* do not change the order of the ID table */ 76 static struct usb_device_id a800_table [] = { 77 /* 00 */ { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_DVBT_USB2_COLD) }, 78 /* 01 */ { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_DVBT_USB2_WARM) }, 79 { } /* Terminating entry */ 80 }; 81 MODULE_DEVICE_TABLE (usb, a800_table); 82 83 static struct dvb_usb_device_properties a800_properties = { 84 .caps = DVB_USB_IS_AN_I2C_ADAPTER, 85 86 .usb_ctrl = CYPRESS_FX2, 87 .firmware = "dvb-usb-avertv-a800-02.fw", 88 89 .num_adapters = 1, 90 .adapter = { 91 { 92 .num_frontends = 1, 93 .fe = {{ 94 .caps = DVB_USB_ADAP_HAS_PID_FILTER | DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF, 95 .pid_filter_count = 32, 96 .streaming_ctrl = dibusb2_0_streaming_ctrl, 97 .pid_filter = dibusb_pid_filter, 98 .pid_filter_ctrl = dibusb_pid_filter_ctrl, 99 100 .frontend_attach = dibusb_dib3000mc_frontend_attach, 101 .tuner_attach = dibusb_dib3000mc_tuner_attach, 102 103 /* parameter for the MPEG2-data transfer */ 104 .stream = { 105 .type = USB_BULK, 106 .count = 7, 107 .endpoint = 0x06, 108 .u = { 109 .bulk = { 110 .buffersize = 4096, 111 } 112 } 113 }, 114 }}, 115 .size_of_priv = sizeof(struct dibusb_state), 116 }, 117 }, 118 119 .power_ctrl = a800_power_ctrl, 120 .identify_state = a800_identify_state, 121 122 .rc.core = { 123 .rc_interval = DEFAULT_RC_INTERVAL, 124 .rc_codes = RC_MAP_AVERMEDIA_M135A, 125 .module_name = KBUILD_MODNAME, 126 .rc_query = a800_rc_query, 127 .allowed_protos = RC_PROTO_BIT_NEC, 128 }, 129 130 .i2c_algo = &dibusb_i2c_algo, 131 132 .generic_bulk_ctrl_endpoint = 0x01, 133 .num_device_descs = 1, 134 .devices = { 135 { "AVerMedia AverTV DVB-T USB 2.0 (A800)", 136 { &a800_table[0], NULL }, 137 { &a800_table[1], NULL }, 138 }, 139 } 140 }; 141 142 static struct usb_driver a800_driver = { 143 .name = "dvb_usb_a800", 144 .probe = a800_probe, 145 .disconnect = dvb_usb_device_exit, 146 .id_table = a800_table, 147 }; 148 149 module_usb_driver(a800_driver); 150 151 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); 152 MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)"); 153 MODULE_VERSION("1.0"); 154 MODULE_LICENSE("GPL"); 155