1 /* DVB USB compliant linux driver for Sigmatek DVB-110 DVB-T USB2.0 receiver
3 * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the Free
7 * Software Foundation, version 2.
9 * see Documentation/dvb/README.dvb-usb for more information
18 static int dvb_usb_au6610_debug;
19 module_param_named(debug, dvb_usb_au6610_debug, int, 0644);
20 MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
22 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
24 static int au6610_usb_msg(struct dvb_usb_device *d, u8 operation, u8 addr,
25 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
29 u8 usb_buf[6]; /* enough for all known requests,
30 read returns 5 and write 6 bytes */
40 warn("wlen = %x, aborting.", wlen);
44 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation,
45 USB_TYPE_VENDOR|USB_DIR_IN, addr << 1, index, usb_buf,
46 sizeof(usb_buf), AU6610_USB_TIMEOUT);
52 case AU6610_REQ_I2C_READ:
53 case AU6610_REQ_USB_READ:
54 /* requested value is always 5th byte in buffer */
61 static int au6610_i2c_msg(struct dvb_usb_device *d, u8 addr,
62 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
65 u8 wo = (rbuf == NULL || rlen == 0); /* write-only */
68 request = AU6610_REQ_I2C_WRITE;
70 request = AU6610_REQ_I2C_READ;
73 return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen);
78 static int au6610_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
81 struct dvb_usb_device *d = i2c_get_adapdata(adap);
87 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
90 for (i = 0; i < num; i++) {
91 /* write/read request */
92 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
93 if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
94 msg[i].len, msg[i+1].buf,
98 } else if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
99 msg[i].len, NULL, 0) < 0)
103 mutex_unlock(&d->i2c_mutex);
108 static u32 au6610_i2c_func(struct i2c_adapter *adapter)
113 static struct i2c_algorithm au6610_i2c_algo = {
114 .master_xfer = au6610_i2c_xfer,
115 .functionality = au6610_i2c_func,
118 /* Callbacks for DVB USB */
119 static int au6610_identify_state(struct usb_device *udev,
120 struct dvb_usb_device_properties *props,
121 struct dvb_usb_device_description **desc,
128 static struct zl10353_config au6610_zl10353_config = {
129 .demod_address = 0x0f,
134 static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
136 if ((adap->fe = dvb_attach(zl10353_attach, &au6610_zl10353_config,
137 &adap->dev->i2c_adap)) != NULL) {
144 static struct qt1010_config au6610_qt1010_config = {
148 static int au6610_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
150 return dvb_attach(qt1010_attach,
151 adap->fe, &adap->dev->i2c_adap,
152 &au6610_qt1010_config) == NULL ? -ENODEV : 0;
155 /* DVB USB Driver stuff */
156 static struct dvb_usb_device_properties au6610_properties;
158 static int au6610_probe(struct usb_interface *intf,
159 const struct usb_device_id *id)
161 struct dvb_usb_device *d;
162 struct usb_host_interface *alt;
165 if (intf->num_altsetting < AU6610_ALTSETTING_COUNT)
168 ret = dvb_usb_device_init(intf, &au6610_properties, THIS_MODULE, &d,
171 alt = usb_altnum_to_altsetting(intf, AU6610_ALTSETTING);
174 deb_rc("no alt found!\n");
177 ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
178 alt->desc.bAlternateSetting);
185 static struct usb_device_id au6610_table [] = {
186 { USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110) },
187 { } /* Terminating entry */
189 MODULE_DEVICE_TABLE (usb, au6610_table);
191 static struct dvb_usb_device_properties au6610_properties = {
192 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
193 .usb_ctrl = DEVICE_SPECIFIC,
195 .identify_state = au6610_identify_state,
199 .frontend_attach = au6610_zl10353_frontend_attach,
200 .tuner_attach = au6610_qt1010_tuner_attach,
209 .framesize = 942, /* maximum packet size */
210 .interval = 1.25, /* 125 us */
216 .i2c_algo = &au6610_i2c_algo,
217 .num_device_descs = 1,
220 "Sigmatek DVB-110 DVB-T USB2.0",
221 { &au6610_table[0], NULL },
227 static struct usb_driver au6610_driver = {
228 .name = "dvb_usb_au6610",
229 .probe = au6610_probe,
230 .disconnect = dvb_usb_device_exit,
231 .id_table = au6610_table,
235 static int __init au6610_module_init(void)
239 if ((ret = usb_register(&au6610_driver))) {
240 err("usb_register failed. Error number %d", ret);
247 static void __exit au6610_module_exit(void)
249 /* deregister this driver from the USB subsystem */
250 usb_deregister(&au6610_driver);
253 module_init (au6610_module_init);
254 module_exit (au6610_module_exit);
256 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
257 MODULE_DESCRIPTION("Driver Sigmatek DVB-110 DVB-T USB2.0 / AU6610");
258 MODULE_VERSION("0.1");
259 MODULE_LICENSE("GPL");