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.
25 static int dvb_usb_dtv5100_debug;
26 module_param_named(debug, dvb_usb_dtv5100_debug, int, 0644);
27 MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
28 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
30 struct dtv5100_state {
31 unsigned char data[80];
34 static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr,
35 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
37 struct dtv5100_state *st = d->priv;
45 /* write { reg }, read { value } */
46 request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_READ :
48 type = USB_TYPE_VENDOR | USB_DIR_IN;
52 /* write { reg, value } */
53 request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_WRITE :
55 type = USB_TYPE_VENDOR | USB_DIR_OUT;
59 warn("wlen = %x, aborting.", wlen);
62 index = (addr << 8) + wbuf[0];
64 memcpy(st->data, rbuf, rlen);
65 msleep(1); /* avoid I2C errors */
66 return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), request,
67 type, value, index, st->data, rlen,
72 static int dtv5100_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
75 struct dvb_usb_device *d = i2c_get_adapdata(adap);
81 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
84 for (i = 0; i < num; i++) {
85 /* write/read request */
86 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
87 if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf,
88 msg[i].len, msg[i+1].buf,
92 } else if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf,
93 msg[i].len, NULL, 0) < 0)
97 mutex_unlock(&d->i2c_mutex);
101 static u32 dtv5100_i2c_func(struct i2c_adapter *adapter)
106 static struct i2c_algorithm dtv5100_i2c_algo = {
107 .master_xfer = dtv5100_i2c_xfer,
108 .functionality = dtv5100_i2c_func,
111 /* Callbacks for DVB USB */
112 static struct zl10353_config dtv5100_zl10353_config = {
113 .demod_address = DTV5100_DEMOD_ADDR,
118 static int dtv5100_frontend_attach(struct dvb_usb_adapter *adap)
120 adap->fe_adap[0].fe = dvb_attach(zl10353_attach, &dtv5100_zl10353_config,
121 &adap->dev->i2c_adap);
122 if (adap->fe_adap[0].fe == NULL)
125 /* disable i2c gate, or it won't work... is this safe? */
126 adap->fe_adap[0].fe->ops.i2c_gate_ctrl = NULL;
131 static struct qt1010_config dtv5100_qt1010_config = {
132 .i2c_address = DTV5100_TUNER_ADDR
135 static int dtv5100_tuner_attach(struct dvb_usb_adapter *adap)
137 return dvb_attach(qt1010_attach,
138 adap->fe_adap[0].fe, &adap->dev->i2c_adap,
139 &dtv5100_qt1010_config) == NULL ? -ENODEV : 0;
142 /* DVB USB Driver stuff */
143 static struct dvb_usb_device_properties dtv5100_properties;
145 static int dtv5100_probe(struct usb_interface *intf,
146 const struct usb_device_id *id)
149 struct usb_device *udev = interface_to_usbdev(intf);
151 /* initialize non qt1010/zl10353 part? */
152 for (i = 0; dtv5100_init[i].request; i++) {
153 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
154 dtv5100_init[i].request,
155 USB_TYPE_VENDOR | USB_DIR_OUT,
156 dtv5100_init[i].value,
157 dtv5100_init[i].index, NULL, 0,
158 DTV5100_USB_TIMEOUT);
163 ret = dvb_usb_device_init(intf, &dtv5100_properties,
164 THIS_MODULE, NULL, adapter_nr);
171 static struct usb_device_id dtv5100_table[] = {
172 { USB_DEVICE(0x06be, 0xa232) },
173 { } /* Terminating entry */
175 MODULE_DEVICE_TABLE(usb, dtv5100_table);
177 static struct dvb_usb_device_properties dtv5100_properties = {
178 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
179 .usb_ctrl = DEVICE_SPECIFIC,
181 .size_of_priv = sizeof(struct dtv5100_state),
187 .frontend_attach = dtv5100_frontend_attach,
188 .tuner_attach = dtv5100_tuner_attach,
203 .i2c_algo = &dtv5100_i2c_algo,
205 .num_device_descs = 1,
208 .name = "AME DTV-5100 USB2.0 DVB-T",
209 .cold_ids = { NULL },
210 .warm_ids = { &dtv5100_table[0], NULL },
215 static struct usb_driver dtv5100_driver = {
216 .name = "dvb_usb_dtv5100",
217 .probe = dtv5100_probe,
218 .disconnect = dvb_usb_device_exit,
219 .id_table = dtv5100_table,
222 module_usb_driver(dtv5100_driver);
224 MODULE_AUTHOR(DRIVER_AUTHOR);
225 MODULE_DESCRIPTION(DRIVER_DESC);
226 MODULE_LICENSE("GPL");