1 files changed, 242 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/au6610.c b/drivers/media/dvb/dvb-usb/au6610.c
new file mode 100644
index 000000000000..1796a7d63aa1
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/au6610.c
@@ -0,0 +1,242 @@
+/* DVB USB compliant linux driver for Sigmatek DVB-110 DVB-T USB2.0 receiver
+ *
+ * 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, version 2.
+ *
+ * see Documentation/dvb/README.dvb-usb for more information
+ */
+
+#include "au6610.h"
+
+#include "zl10353.h"
+#include "qt1010.h"
+
+/* debug */
+static int dvb_usb_au6610_debug;
+module_param_named(debug, dvb_usb_au6610_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))." DVB_USB_DEBUG_STATUS);
+
+
+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[6]; /* enough for all known requests, read returns 5 and write 6 bytes */
+
+        switch (wlen) {
+        case 1:
+                index = wbuf[0] << 8;
+                break;
+        case 2:
+                index = wbuf[0] << 8;
+                index += wbuf[1];
+                break;
+        default:
+                warn("wlen = %x, aborting.", wlen);
+                return -EINVAL;
+        }
+
+        ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation,
+                              USB_TYPE_VENDOR | USB_DIR_IN, addr, index, usb_buf,
+                              sizeof(usb_buf), AU6610_USB_TIMEOUT);
+
+        if (ret < 0)
+                return ret;
+
+        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];
+        }
+
+        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 (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+                return -EAGAIN;
+
+        if (num > 2)
+                return -EINVAL;
+
+        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 int au6610_identify_state(struct usb_device *udev,
+                                 struct dvb_usb_device_properties *props,
+                                 struct dvb_usb_device_description **desc,
+                                 int *cold)
+{
+        *cold = 0;
+        return 0;
+}
+
+static struct zl10353_config au6610_zl10353_config = {
+        .demod_address = 0x1e,
+        .no_tuner = 1,
+        .parallel_ts = 1,
+};
+
+
+static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap)
+{
+        if ((adap->fe = dvb_attach(zl10353_attach, &au6610_zl10353_config,
+                                   &adap->dev->i2c_adap)) != NULL) {
+                return 0;
+        }
+
+        return -EIO;
+}
+
+/* DVB USB Driver stuff */
+static struct dvb_usb_device_properties au6610_properties;
+
+static int au6610_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+        struct dvb_usb_device *d;
+        struct usb_host_interface *alt;
+        int ret;
+
+        if (intf->num_altsetting < AU6610_ALTSETTING_COUNT)
+                return -ENODEV;
+
+        if ((ret = dvb_usb_device_init(intf, &au6610_properties, THIS_MODULE, &d)) == 0) {
+                alt = usb_altnum_to_altsetting(intf, AU6610_ALTSETTING);
+
+                if (alt == NULL) {
+                        deb_rc("no alt found!\n");
+                        return -ENODEV;
+                }
+                ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
+                                        alt->desc.bAlternateSetting);
+        }
+
+        return ret;
+}
+
+
+static struct usb_device_id au6610_table [] = {
+        { USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110) },
+        { }             /* Terminating entry */
+};
+MODULE_DEVICE_TABLE (usb, au6610_table);
+
+static struct dvb_usb_device_properties au6610_properties = {
+        .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+        .usb_ctrl = DEVICE_SPECIFIC,
+        .size_of_priv     = 0,
+        .identify_state   = au6610_identify_state,
+        .num_adapters = 1,
+        .adapter = {
+                {
+                        .frontend_attach  = au6610_zl10353_frontend_attach,
+                        .tuner_attach     = qt1010_tuner_attach,
+
+                        .stream = {
+                                .type = USB_ISOC,
+                                .count = 5,
+                                .endpoint = 0x82,
+                                .u = {
+                                        .isoc = {
+                                                .framesperurb = 40,
+                                                .framesize = 942,   /* maximum packet size */
+                                                .interval = 1.25,   /* 125 us */
+                                        }
+                                }
+                        },
+                }
+        },
+        .i2c_algo = &au6610_i2c_algo,
+        .num_device_descs = 1,
+        .devices = {
+                {
+                        "Sigmatek DVB-110 DVB-T USB2.0",
+                        { &au6610_table[0], NULL },
+                        { NULL },
+                },
+        }
+};
+
+static struct usb_driver au6610_driver = {
+        .name       = "dvb_usb_au6610",
+        .probe      = au6610_probe,
+        .disconnect = dvb_usb_device_exit,
+        .id_table   = au6610_table,
+};
+
+/* module stuff */
+static int __init au6610_module_init(void)
+{
+        int ret;
+
+        if ((ret = usb_register(&au6610_driver))) {
+                err("usb_register failed. Error number %d", ret);
+                return ret;
+        }
+
+        return 0;
+}
+
+static void __exit au6610_module_exit(void)
+{
+        /* deregister this driver from the USB subsystem */
+        usb_deregister(&au6610_driver);
+}
+
+module_init (au6610_module_init);
+module_exit (au6610_module_exit);
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("Driver Sigmatek DVB-110 DVB-T USB2.0 / AU6610");
+MODULE_VERSION("0.1");
+MODULE_LICENSE("GPL");