2 * DVB USB Linux driver for Alcor Micro AU6610 DVB-T USB2.0.
4 * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
21 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
23 static int au6610_usb_msg(struct dvb_usb_device *d, u8 operation, u8 addr,
24 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
31 * allocate enough for all known requests,
32 * read returns 5 and write 6 bytes
34 usb_buf = kmalloc(6, GFP_KERNEL);
47 dev_err(&d->udev->dev, "%s: wlen=%d, aborting\n",
48 KBUILD_MODNAME, wlen);
53 ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation,
54 USB_TYPE_VENDOR|USB_DIR_IN, addr << 1, index,
55 usb_buf, 6, AU6610_USB_TIMEOUT);
57 dvb_usb_dbg_usb_control_msg(d->udev, operation,
58 (USB_TYPE_VENDOR|USB_DIR_IN), addr << 1, index,
65 case AU6610_REQ_I2C_READ:
66 case AU6610_REQ_USB_READ:
67 /* requested value is always 5th byte in buffer */
75 static int au6610_i2c_msg(struct dvb_usb_device *d, u8 addr,
76 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
79 u8 wo = (rbuf == NULL || rlen == 0); /* write-only */
82 request = AU6610_REQ_I2C_WRITE;
84 request = AU6610_REQ_I2C_READ;
87 return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen);
92 static int au6610_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
95 struct dvb_usb_device *d = i2c_get_adapdata(adap);
101 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
104 for (i = 0; i < num; i++) {
105 /* write/read request */
106 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
107 if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
108 msg[i].len, msg[i+1].buf,
112 } else if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf,
113 msg[i].len, NULL, 0) < 0)
117 mutex_unlock(&d->i2c_mutex);
122 static u32 au6610_i2c_func(struct i2c_adapter *adapter)
127 static struct i2c_algorithm au6610_i2c_algo = {
128 .master_xfer = au6610_i2c_xfer,
129 .functionality = au6610_i2c_func,
132 /* Callbacks for DVB USB */
133 static struct zl10353_config au6610_zl10353_config = {
134 .demod_address = 0x0f,
139 static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
141 adap->fe[0] = dvb_attach(zl10353_attach, &au6610_zl10353_config,
142 &adap_to_d(adap)->i2c_adap);
143 if (adap->fe[0] == NULL)
149 static struct qt1010_config au6610_qt1010_config = {
153 static int au6610_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
155 return dvb_attach(qt1010_attach, adap->fe[0],
156 &adap_to_d(adap)->i2c_adap,
157 &au6610_qt1010_config) == NULL ? -ENODEV : 0;
160 static int au6610_init(struct dvb_usb_device *d)
162 /* TODO: this functionality belongs likely to the streaming control */
163 /* bInterfaceNumber 0, bAlternateSetting 5 */
164 return usb_set_interface(d->udev, 0, 5);
167 static struct dvb_usb_device_properties au6610_props = {
168 .driver_name = KBUILD_MODNAME,
169 .owner = THIS_MODULE,
170 .adapter_nr = adapter_nr,
172 .i2c_algo = &au6610_i2c_algo,
173 .frontend_attach = au6610_zl10353_frontend_attach,
174 .tuner_attach = au6610_qt1010_tuner_attach,
180 .stream = DVB_USB_STREAM_ISOC(0x82, 5, 40, 942, 1),
185 static const struct usb_device_id au6610_id_table[] = {
186 { DVB_USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110,
187 &au6610_props, "Sigmatek DVB-110", NULL) },
190 MODULE_DEVICE_TABLE(usb, au6610_id_table);
192 static struct usb_driver au6610_driver = {
193 .name = KBUILD_MODNAME,
194 .id_table = au6610_id_table,
195 .probe = dvb_usbv2_probe,
196 .disconnect = dvb_usbv2_disconnect,
197 .suspend = dvb_usbv2_suspend,
198 .resume = dvb_usbv2_resume,
199 .reset_resume = dvb_usbv2_reset_resume,
204 module_usb_driver(au6610_driver);
206 MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
207 MODULE_DESCRIPTION("Driver for Alcor Micro AU6610 DVB-T USB2.0");
208 MODULE_VERSION("0.1");
209 MODULE_LICENSE("GPL");