--- /dev/null
+/*
+ * DVB USB Linux driver for AME DTV-5100 USB2.0 DVB-T
+ *
+ * Copyright (C) 2008 Antoine Jacquet <royale@zerezo.com>
+ * http://royale.zerezo.com/dtv5100/
+ *
+ * Inspired by gl861.c and au6610.c drivers
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include "dtv5100.h"
+#include "zl10353.h"
+#include "qt1010.h"
+
+/* debug */
+static int dvb_usb_dtv5100_debug;
+module_param_named(debug, dvb_usb_dtv5100_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr,
+ u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
+{
+ u8 request;
+ u8 type;
+ u16 value;
+ u16 index;
+
+ switch (wlen) {
+ case 1:
+ /* write { reg }, read { value } */
+ request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_READ :
+ DTV5100_TUNER_READ);
+ type = USB_TYPE_VENDOR | USB_DIR_IN;
+ value = 0;
+ break;
+ case 2:
+ /* write { reg, value } */
+ request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_WRITE :
+ DTV5100_TUNER_WRITE);
+ type = USB_TYPE_VENDOR | USB_DIR_OUT;
+ value = wbuf[1];
+ break;
+ default:
+ warn("wlen = %x, aborting.", wlen);
+ return -EINVAL;
+ }
+ index = (addr << 8) + wbuf[0];
+
+ msleep(1); /* avoid I2C errors */
+ return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), request,
+ type, value, index, rbuf, rlen,
+ DTV5100_USB_TIMEOUT);
+}
+
+/* I2C */
+static int dtv5100_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
+ int num)
+{
+ struct dvb_usb_device *d = i2c_get_adapdata(adap);
+ int i;
+
+ if (num > 2)
+ return -EINVAL;
+
+ if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+ return -EAGAIN;
+
+ for (i = 0; i < num; i++) {
+ /* write/read request */
+ if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
+ if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf,
+ msg[i].len, msg[i+1].buf,
+ msg[i+1].len) < 0)
+ break;
+ i++;
+ } else if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf,
+ msg[i].len, NULL, 0) < 0)
+ break;
+ }
+
+ mutex_unlock(&d->i2c_mutex);
+ return i;
+}
+
+static u32 dtv5100_i2c_func(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm dtv5100_i2c_algo = {
+ .master_xfer = dtv5100_i2c_xfer,
+ .functionality = dtv5100_i2c_func,
+};
+
+/* Callbacks for DVB USB */
+static struct zl10353_config dtv5100_zl10353_config = {
+ .demod_address = DTV5100_DEMOD_ADDR,
+ .no_tuner = 1,
+ .parallel_ts = 1,
+};
+
+static int dtv5100_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ adap->fe_adap[0].fe = dvb_attach(zl10353_attach, &dtv5100_zl10353_config,
+ &adap->dev->i2c_adap);
+ if (adap->fe_adap[0].fe == NULL)
+ return -EIO;
+
+ /* disable i2c gate, or it won't work... is this safe? */
+ adap->fe_adap[0].fe->ops.i2c_gate_ctrl = NULL;
+
+ return 0;
+}
+
+static struct qt1010_config dtv5100_qt1010_config = {
+ .i2c_address = DTV5100_TUNER_ADDR
+};
+
+static int dtv5100_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ return dvb_attach(qt1010_attach,
+ adap->fe_adap[0].fe, &adap->dev->i2c_adap,
+ &dtv5100_qt1010_config) == NULL ? -ENODEV : 0;
+}
+
+/* DVB USB Driver stuff */
+static struct dvb_usb_device_properties dtv5100_properties;
+
+static int dtv5100_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ int i, ret;
+ struct usb_device *udev = interface_to_usbdev(intf);
+
+ /* initialize non qt1010/zl10353 part? */
+ for (i = 0; dtv5100_init[i].request; i++) {
+ ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
+ dtv5100_init[i].request,
+ USB_TYPE_VENDOR | USB_DIR_OUT,
+ dtv5100_init[i].value,
+ dtv5100_init[i].index, NULL, 0,
+ DTV5100_USB_TIMEOUT);
+ if (ret)
+ return ret;
+ }
+
+ ret = dvb_usb_device_init(intf, &dtv5100_properties,
+ THIS_MODULE, NULL, adapter_nr);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static struct usb_device_id dtv5100_table[] = {
+ { USB_DEVICE(0x06be, 0xa232) },
+ { } /* Terminating entry */
+};
+MODULE_DEVICE_TABLE(usb, dtv5100_table);
+
+static struct dvb_usb_device_properties dtv5100_properties = {
+ .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+ .usb_ctrl = DEVICE_SPECIFIC,
+
+ .size_of_priv = 0,
+
+ .num_adapters = 1,
+ .adapter = {{
+ .num_frontends = 1,
+ .fe = {{
+ .frontend_attach = dtv5100_frontend_attach,
+ .tuner_attach = dtv5100_tuner_attach,
+
+ .stream = {
+ .type = USB_BULK,
+ .count = 8,
+ .endpoint = 0x82,
+ .u = {
+ .bulk = {
+ .buffersize = 4096,
+ }
+ }
+ },
+ }},
+ } },
+
+ .i2c_algo = &dtv5100_i2c_algo,
+
+ .num_device_descs = 1,
+ .devices = {
+ {
+ .name = "AME DTV-5100 USB2.0 DVB-T",
+ .cold_ids = { NULL },
+ .warm_ids = { &dtv5100_table[0], NULL },
+ },
+ }
+};
+
+static struct usb_driver dtv5100_driver = {
+ .name = "dvb_usb_dtv5100",
+ .probe = dtv5100_probe,
+ .disconnect = dvb_usb_device_exit,
+ .id_table = dtv5100_table,
+};
+
+module_usb_driver(dtv5100_driver);
+
+MODULE_AUTHOR(DRIVER_AUTHOR);
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff