2 * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T
4 * Copyright (C) 2008 Antoine Jacquet <royale@zerezo.com>
5 * http://royale.zerezo.com/dtv5100/
7 * Inspired by gl861.c and au6610.c drivers
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
29 static int dvb_usb_dtv5100_debug;
30 module_param_named(debug, dvb_usb_dtv5100_debug, int, 0644);
31 MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
32 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
34 struct dtv5100_state {
35 unsigned char data[80];
38 static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr,
39 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
41 struct dtv5100_state *st = d->priv;
50 /* write { reg }, read { value } */
51 pipe = usb_rcvctrlpipe(d->udev, 0);
52 request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_READ :
54 type = USB_TYPE_VENDOR | USB_DIR_IN;
58 /* write { reg, value } */
59 pipe = usb_sndctrlpipe(d->udev, 0);
60 request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_WRITE :
62 type = USB_TYPE_VENDOR | USB_DIR_OUT;
66 warn("wlen = %x, aborting.", wlen);
69 index = (addr << 8) + wbuf[0];
71 memcpy(st->data, rbuf, rlen);
72 msleep(1); /* avoid I2C errors */
73 return usb_control_msg(d->udev, pipe, request,
74 type, value, index, st->data, rlen,
79 static int dtv5100_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
82 struct dvb_usb_device *d = i2c_get_adapdata(adap);
88 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
91 for (i = 0; i < num; i++) {
92 /* write/read request */
93 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
94 if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf,
95 msg[i].len, msg[i+1].buf,
99 } else if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf,
100 msg[i].len, NULL, 0) < 0)
104 mutex_unlock(&d->i2c_mutex);
108 static u32 dtv5100_i2c_func(struct i2c_adapter *adapter)
113 static struct i2c_algorithm dtv5100_i2c_algo = {
114 .master_xfer = dtv5100_i2c_xfer,
115 .functionality = dtv5100_i2c_func,
118 /* Callbacks for DVB USB */
119 static struct zl10353_config dtv5100_zl10353_config = {
120 .demod_address = DTV5100_DEMOD_ADDR,
125 static int dtv5100_frontend_attach(struct dvb_usb_adapter *adap)
127 adap->fe_adap[0].fe = dvb_attach(zl10353_attach, &dtv5100_zl10353_config,
128 &adap->dev->i2c_adap);
129 if (adap->fe_adap[0].fe == NULL)
132 /* disable i2c gate, or it won't work... is this safe? */
133 adap->fe_adap[0].fe->ops.i2c_gate_ctrl = NULL;
138 static struct qt1010_config dtv5100_qt1010_config = {
139 .i2c_address = DTV5100_TUNER_ADDR
142 static int dtv5100_tuner_attach(struct dvb_usb_adapter *adap)
144 return dvb_attach(qt1010_attach,
145 adap->fe_adap[0].fe, &adap->dev->i2c_adap,
146 &dtv5100_qt1010_config) == NULL ? -ENODEV : 0;
149 /* DVB USB Driver stuff */
150 static struct dvb_usb_device_properties dtv5100_properties;
152 static int dtv5100_probe(struct usb_interface *intf,
153 const struct usb_device_id *id)
156 struct usb_device *udev = interface_to_usbdev(intf);
158 /* initialize non qt1010/zl10353 part? */
159 for (i = 0; dtv5100_init[i].request; i++) {
160 ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0),
161 dtv5100_init[i].request,
162 USB_TYPE_VENDOR | USB_DIR_OUT,
163 dtv5100_init[i].value,
164 dtv5100_init[i].index, NULL, 0,
165 DTV5100_USB_TIMEOUT);
170 ret = dvb_usb_device_init(intf, &dtv5100_properties,
171 THIS_MODULE, NULL, adapter_nr);
178 static struct usb_device_id dtv5100_table[] = {
179 { USB_DEVICE(0x06be, 0xa232) },
180 { } /* Terminating entry */
182 MODULE_DEVICE_TABLE(usb, dtv5100_table);
184 static struct dvb_usb_device_properties dtv5100_properties = {
185 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
186 .usb_ctrl = DEVICE_SPECIFIC,
188 .size_of_priv = sizeof(struct dtv5100_state),
194 .frontend_attach = dtv5100_frontend_attach,
195 .tuner_attach = dtv5100_tuner_attach,
210 .i2c_algo = &dtv5100_i2c_algo,
212 .num_device_descs = 1,
215 .name = "AME DTV-5100 USB2.0 DVB-T",
216 .cold_ids = { NULL },
217 .warm_ids = { &dtv5100_table[0], NULL },
222 static struct usb_driver dtv5100_driver = {
223 .name = "dvb_usb_dtv5100",
224 .probe = dtv5100_probe,
225 .disconnect = dvb_usb_device_exit,
226 .id_table = dtv5100_table,
229 module_usb_driver(dtv5100_driver);
231 MODULE_AUTHOR(DRIVER_AUTHOR);
232 MODULE_DESCRIPTION(DRIVER_DESC);
233 MODULE_LICENSE("GPL");