--- /dev/null
+/*
+ * DVB USB Linux driver for Alcor Micro AU6610 DVB-T USB2.0.
+ *
+ * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
+ *
+ * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "au6610.h"
+#include "zl10353.h"
+#include "qt1010.h"
+
+DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
+
+static int au6610_usb_msg(struct dvb_usb_device *d, u8 operation, u8 addr,
+ u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
+{
+ int ret;
+ u16 index;
+ u8 *usb_buf;
+
+ /*
+ * allocate enough for all known requests,
+ * read returns 5 and write 6 bytes
+ */
+ usb_buf = kmalloc(6, GFP_KERNEL);
+ if (!usb_buf)
+ return -ENOMEM;
+
+ switch (wlen) {
+ case 1:
+ index = wbuf[0] << 8;
+ break;
+ case 2:
+ index = wbuf[0] << 8;
+ index += wbuf[1];
+ break;
+ default:
+ dev_err(&d->udev->dev, "%s: wlen=%d, aborting\n",
+ KBUILD_MODNAME, wlen);
+ ret = -EINVAL;
+ goto error;
+ }
+
+ ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation,
+ USB_TYPE_VENDOR|USB_DIR_IN, addr << 1, index,
+ usb_buf, 6, AU6610_USB_TIMEOUT);
+
+ dvb_usb_dbg_usb_control_msg(d->udev, operation,
+ (USB_TYPE_VENDOR|USB_DIR_IN), addr << 1, index,
+ usb_buf, 6);
+
+ if (ret < 0)
+ goto error;
+
+ switch (operation) {
+ case AU6610_REQ_I2C_READ:
+ case AU6610_REQ_USB_READ:
+ /* requested value is always 5th byte in buffer */
+ rbuf[0] = usb_buf[4];
+ }
+error:
+ kfree(usb_buf);
+ return ret;
+}
+
+static int au6610_i2c_msg(struct dvb_usb_device *d, u8 addr,
+ u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
+{
+ u8 request;
+ u8 wo = (rbuf == NULL || rlen == 0); /* write-only */
+
+ if (wo) {
+ request = AU6610_REQ_I2C_WRITE;
+ } else { /* rw */
+ request = AU6610_REQ_I2C_READ;
+ }
+
+ return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen);
+}
+
+
+/* I2C */
+static int au6610_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 (au6610_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 (au6610_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 au6610_i2c_func(struct i2c_adapter *adapter)
+{
+ return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm au6610_i2c_algo = {
+ .master_xfer = au6610_i2c_xfer,
+ .functionality = au6610_i2c_func,
+};
+
+/* Callbacks for DVB USB */
+static struct zl10353_config au6610_zl10353_config = {
+ .demod_address = 0x0f,
+ .no_tuner = 1,
+ .parallel_ts = 1,
+};
+
+static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
+{
+ adap->fe[0] = dvb_attach(zl10353_attach, &au6610_zl10353_config,
+ &adap_to_d(adap)->i2c_adap);
+ if (adap->fe[0] == NULL)
+ return -ENODEV;
+
+ return 0;
+}
+
+static struct qt1010_config au6610_qt1010_config = {
+ .i2c_address = 0x62
+};
+
+static int au6610_qt1010_tuner_attach(struct dvb_usb_adapter *adap)
+{
+ return dvb_attach(qt1010_attach, adap->fe[0],
+ &adap_to_d(adap)->i2c_adap,
+ &au6610_qt1010_config) == NULL ? -ENODEV : 0;
+}
+
+static int au6610_init(struct dvb_usb_device *d)
+{
+ /* TODO: this functionality belongs likely to the streaming control */
+ /* bInterfaceNumber 0, bAlternateSetting 5 */
+ return usb_set_interface(d->udev, 0, 5);
+}
+
+static struct dvb_usb_device_properties au6610_props = {
+ .driver_name = KBUILD_MODNAME,
+ .owner = THIS_MODULE,
+ .adapter_nr = adapter_nr,
+
+ .i2c_algo = &au6610_i2c_algo,
+ .frontend_attach = au6610_zl10353_frontend_attach,
+ .tuner_attach = au6610_qt1010_tuner_attach,
+ .init = au6610_init,
+
+ .num_adapters = 1,
+ .adapter = {
+ {
+ .stream = DVB_USB_STREAM_ISOC(0x82, 5, 40, 942, 1),
+ },
+ },
+};
+
+static const struct usb_device_id au6610_id_table[] = {
+ { DVB_USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110,
+ &au6610_props, "Sigmatek DVB-110", NULL) },
+ { }
+};
+MODULE_DEVICE_TABLE(usb, au6610_id_table);
+
+static struct usb_driver au6610_driver = {
+ .name = KBUILD_MODNAME,
+ .id_table = au6610_id_table,
+ .probe = dvb_usbv2_probe,
+ .disconnect = dvb_usbv2_disconnect,
+ .suspend = dvb_usbv2_suspend,
+ .resume = dvb_usbv2_resume,
+ .reset_resume = dvb_usbv2_reset_resume,
+ .no_dynamic_id = 1,
+ .soft_unbind = 1,
+};
+
+module_usb_driver(au6610_driver);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Driver for Alcor Micro AU6610 DVB-T USB2.0");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");
Code Review / kvmfornfv.git / blobdiff