This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / drivers / media / dvb / dvb-usb / ttusb2.c
diff --git a/drivers/media/dvb/dvb-usb/ttusb2.c b/drivers/media/dvb/dvb-usb/ttusb2.c
new file mode 100644 (file)
index 0000000..95d2997
--- /dev/null
@@ -0,0 +1,270 @@
+/* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones
+ * (e.g. Pinnacle 400e DVB-S USB2.0).
+ *
+ * The Pinnacle 400e uses the same protocol as the Technotrend USB1.1 boxes.
+ *
+ * TDA8263 + TDA10086
+ *
+ * I2C addresses:
+ * 0x08 - LNBP21PD   - LNB power supply
+ * 0x0e - TDA10086   - Demodulator
+ * 0x50 - FX2 eeprom
+ * 0x60 - TDA8263    - Tuner
+ * 0x78 ???
+ *
+ * Copyright (c) 2002 Holger Waechtler <holger@convergence.de>
+ * Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net>
+ * Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.org>
+ *
+ *     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
+ */
+#define DVB_USB_LOG_PREFIX "ttusb2"
+#include "dvb-usb.h"
+
+#include "ttusb2.h"
+
+#include "tda826x.h"
+#include "tda10086.h"
+#include "lnbp21.h"
+
+/* debug */
+static int dvb_usb_ttusb2_debug;
+#define deb_info(args...)   dprintk(dvb_usb_ttusb2_debug,0x01,args)
+module_param_named(debug,dvb_usb_ttusb2_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))." DVB_USB_DEBUG_STATUS);
+
+struct ttusb2_state {
+       u8 id;
+};
+
+static int ttusb2_msg(struct dvb_usb_device *d, u8 cmd,
+               u8 *wbuf, int wlen, u8 *rbuf, int rlen)
+{
+       struct ttusb2_state *st = d->priv;
+       u8 s[wlen+4],r[64] = { 0 };
+       int ret = 0;
+
+       memset(s,0,wlen+4);
+
+       s[0] = 0xaa;
+       s[1] = ++st->id;
+       s[2] = cmd;
+       s[3] = wlen;
+       memcpy(&s[4],wbuf,wlen);
+
+       ret = dvb_usb_generic_rw(d, s, wlen+4, r, 64, 0);
+
+       if (ret  != 0 ||
+               r[0] != 0x55 ||
+               r[1] != s[1] ||
+               r[2] != cmd ||
+               (rlen > 0 && r[3] != rlen)) {
+               warn("there might have been an error during control message transfer. (rlen = %d, was %d)",rlen,r[3]);
+               return -EIO;
+       }
+
+       if (rlen > 0)
+               memcpy(rbuf, &r[4], rlen);
+
+       return 0;
+}
+
+static int ttusb2_i2c_xfer(struct i2c_adapter *adap,struct i2c_msg msg[],int num)
+{
+       struct dvb_usb_device *d = i2c_get_adapdata(adap);
+       static u8 obuf[60], ibuf[60];
+       int i,read;
+
+       if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
+               return -EAGAIN;
+
+       if (num > 2)
+               warn("more than 2 i2c messages at a time is not handled yet. TODO.");
+
+       for (i = 0; i < num; i++) {
+               read = i+1 < num && (msg[i+1].flags & I2C_M_RD);
+
+               obuf[0] = (msg[i].addr << 1) | read;
+               obuf[1] = msg[i].len;
+
+               /* read request */
+               if (read)
+                       obuf[2] = msg[i+1].len;
+               else
+                       obuf[2] = 0;
+
+               memcpy(&obuf[3],msg[i].buf,msg[i].len);
+
+               if (ttusb2_msg(d, CMD_I2C_XFER, obuf, msg[i].len+3, ibuf, obuf[2] + 3) < 0) {
+                       err("i2c transfer failed.");
+                       break;
+               }
+
+               if (read) {
+                       memcpy(msg[i+1].buf,&ibuf[3],msg[i+1].len);
+                       i++;
+               }
+       }
+
+       mutex_unlock(&d->i2c_mutex);
+       return i;
+}
+
+static u32 ttusb2_i2c_func(struct i2c_adapter *adapter)
+{
+       return I2C_FUNC_I2C;
+}
+
+static struct i2c_algorithm ttusb2_i2c_algo = {
+       .master_xfer   = ttusb2_i2c_xfer,
+       .functionality = ttusb2_i2c_func,
+};
+
+/* Callbacks for DVB USB */
+static int ttusb2_identify_state (struct usb_device *udev, struct
+               dvb_usb_device_properties *props, struct dvb_usb_device_description **desc,
+               int *cold)
+{
+       *cold = udev->descriptor.iManufacturer == 0 && udev->descriptor.iProduct == 0;
+       return 0;
+}
+
+static int ttusb2_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+       u8 b = onoff;
+       ttusb2_msg(d, CMD_POWER, &b, 0, NULL, 0);
+       return ttusb2_msg(d, CMD_POWER, &b, 1, NULL, 0);
+}
+
+
+static struct tda10086_config tda10086_config = {
+       .demod_address = 0x0e,
+       .invert = 0,
+};
+
+static int ttusb2_frontend_attach(struct dvb_usb_adapter *adap)
+{
+       if (usb_set_interface(adap->dev->udev,0,3) < 0)
+               err("set interface to alts=3 failed");
+
+       if ((adap->fe = dvb_attach(tda10086_attach, &tda10086_config, &adap->dev->i2c_adap)) == NULL) {
+               deb_info("TDA10086 attach failed\n");
+               return -ENODEV;
+       }
+
+       return 0;
+}
+
+static int ttusb2_tuner_attach(struct dvb_usb_adapter *adap)
+{
+       if (dvb_attach(tda826x_attach, adap->fe, 0x60, &adap->dev->i2c_adap, 0) == NULL) {
+               deb_info("TDA8263 attach failed\n");
+               return -ENODEV;
+       }
+
+       if (dvb_attach(lnbp21_attach, adap->fe, &adap->dev->i2c_adap, 0, 0) == NULL) {
+               deb_info("LNBP21 attach failed\n");
+               return -ENODEV;
+       }
+       return 0;
+}
+
+/* DVB USB Driver stuff */
+static struct dvb_usb_device_properties ttusb2_properties;
+
+static int ttusb2_probe(struct usb_interface *intf,
+               const struct usb_device_id *id)
+{
+       return dvb_usb_device_init(intf,&ttusb2_properties,THIS_MODULE,NULL);
+}
+
+static struct usb_device_id ttusb2_table [] = {
+               { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PCTV_400E) },
+               {}              /* Terminating entry */
+};
+MODULE_DEVICE_TABLE (usb, ttusb2_table);
+
+static struct dvb_usb_device_properties ttusb2_properties = {
+       .caps = DVB_USB_IS_AN_I2C_ADAPTER,
+
+       .usb_ctrl = CYPRESS_FX2,
+       .firmware = "dvb-usb-pctv-400e-01.fw",
+
+       .size_of_priv = sizeof(struct ttusb2_state),
+
+       .num_adapters = 1,
+       .adapter = {
+               {
+                       .streaming_ctrl   = NULL, // ttusb2_streaming_ctrl,
+
+                       .frontend_attach  = ttusb2_frontend_attach,
+                       .tuner_attach     = ttusb2_tuner_attach,
+
+                       /* parameter for the MPEG2-data transfer */
+                       .stream = {
+                               .type = USB_ISOC,
+                               .count = 5,
+                               .endpoint = 0x02,
+                               .u = {
+                                       .isoc = {
+                                               .framesperurb = 4,
+                                               .framesize = 940,
+                                               .interval = 1,
+                                       }
+                               }
+                       }
+               }
+       },
+
+       .power_ctrl       = ttusb2_power_ctrl,
+       .identify_state   = ttusb2_identify_state,
+
+       .i2c_algo         = &ttusb2_i2c_algo,
+
+       .generic_bulk_ctrl_endpoint = 0x01,
+
+       .num_device_descs = 1,
+       .devices = {
+               {   "Pinnacle 400e DVB-S USB2.0",
+                       { &ttusb2_table[0], NULL },
+                       { NULL },
+               },
+       }
+};
+
+static struct usb_driver ttusb2_driver = {
+       .name           = "dvb_usb_ttusb2",
+       .probe          = ttusb2_probe,
+       .disconnect = dvb_usb_device_exit,
+       .id_table       = ttusb2_table,
+};
+
+/* module stuff */
+static int __init ttusb2_module_init(void)
+{
+       int result;
+       if ((result = usb_register(&ttusb2_driver))) {
+               err("usb_register failed. Error number %d",result);
+               return result;
+       }
+
+       return 0;
+}
+
+static void __exit ttusb2_module_exit(void)
+{
+       /* deregister this driver from the USB subsystem */
+       usb_deregister(&ttusb2_driver);
+}
+
+module_init (ttusb2_module_init);
+module_exit (ttusb2_module_exit);
+
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
+MODULE_DESCRIPTION("Driver for Pinnacle PCTV 400e DVB-S USB2.0");
+MODULE_VERSION("1.0");
+MODULE_LICENSE("GPL");