1 files changed, 290 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/vp702x.c b/drivers/media/dvb/dvb-usb/vp702x.c
new file mode 100644
index 00000000000..de13c04e8e6
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/vp702x.c
@@ -0,0 +1,290 @@
+/* DVB USB compliant Linux driver for the TwinhanDTV StarBox USB2.0 DVB-S
+ * receiver.
+ *
+ * Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de>
+ *                    Metzler Brothers Systementwicklung GbR
+ *
+ * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@desy.de>
+ *
+ * Thanks to Twinhan who kindly provided hardware and information.
+ *
+ *	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 "vp702x.h"
+
+/* debug */
+int dvb_usb_vp702x_debug;
+module_param_named(debug,dvb_usb_vp702x_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
+
+struct vp702x_state {
+	u8 pid_table[17]; /* [16] controls the pid_table state */
+};
+
+/* check for mutex FIXME */
+int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
+{
+	int ret = 0,try = 0;
+
+	while (ret >= 0 && ret != blen && try < 3) {
+		ret = usb_control_msg(d->udev,
+			usb_rcvctrlpipe(d->udev,0),
+			req,
+			USB_TYPE_VENDOR | USB_DIR_IN,
+			value,index,b,blen,
+			2000);
+		deb_info("reading number %d (ret: %d)\n",try,ret);
+		try++;
+	}
+
+	if (ret < 0 || ret != blen) {
+		warn("usb in operation failed.");
+		ret = -EIO;
+	} else
+		ret = 0;
+
+	deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
+	debug_dump(b,blen,deb_xfer);
+
+	return ret;
+}
+
+int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
+{
+	deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
+	debug_dump(b,blen,deb_xfer);
+
+	if (usb_control_msg(d->udev,
+			usb_sndctrlpipe(d->udev,0),
+			req,
+			USB_TYPE_VENDOR | USB_DIR_OUT,
+			value,index,b,blen,
+			2000) != blen) {
+		warn("usb out operation failed.");
+		return -EIO;
+	} else
+		return 0;
+}
+
+int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec)
+{
+	int ret;
+
+	if ((ret = down_interruptible(&d->usb_sem)))
+		return ret;
+
+	if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0)
+		goto unlock;
+	msleep(msec);
+	ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
+
+unlock:
+	up(&d->usb_sem);
+
+	return ret;
+}
+
+int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o, int olen, u8 *i, int ilen, int msec)
+{
+	u8 bout[olen+2];
+	u8 bin[ilen+1];
+	int ret = 0;
+
+	bout[0] = 0x00;
+	bout[1] = cmd;
+	memcpy(&bout[2],o,olen);
+
+	ret = vp702x_usb_inout_op(d, bout, olen+2, bin, ilen+1,msec);
+
+	if (ret == 0)
+		memcpy(i,&bin[1],ilen);
+
+	return ret;
+}
+
+static int vp702x_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff)
+{
+	struct vp702x_state *st = d->priv;
+	u8 buf[9];
+
+	if (onoff) {
+		st->pid_table[16]   |=   1 << index;
+		st->pid_table[index*2]   = (pid >> 8) & 0xff;
+		st->pid_table[index*2+1] =  pid       & 0xff;
+	} else {
+		st->pid_table[16]   &= ~(1 << index);
+		st->pid_table[index*2] = st->pid_table[index*2+1] = 0;
+	}
+
+	return vp702x_usb_inout_cmd(d,SET_PID_FILTER,st->pid_table,17,buf,9,10);
+}
+
+static int vp702x_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+	vp702x_usb_in_op(d,RESET_TUNER,0,0,NULL,0);
+
+	vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0);
+	return vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0);
+}
+
+/* keys for the enclosed remote control */
+static struct dvb_usb_rc_key vp702x_rc_keys[] = {
+	{ 0x00, 0x01, KEY_1 },
+	{ 0x00, 0x02, KEY_2 },
+};
+
+/* remote control stuff (does not work with my box) */
+static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+	u8 key[10];
+	int i;
+
+/* remove the following return to enabled remote querying */
+	return 0;
+
+	vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10);
+
+	deb_rc("remote query key: %x %d\n",key[1],key[1]);
+
+	if (key[1] == 0x44) {
+		*state = REMOTE_NO_KEY_PRESSED;
+		return 0;
+	}
+
+	for (i = 0; i < ARRAY_SIZE(vp702x_rc_keys); i++)
+		if (vp702x_rc_keys[i].custom == key[1]) {
+			*state = REMOTE_KEY_PRESSED;
+			*event = vp702x_rc_keys[i].event;
+			break;
+		}
+	return 0;
+}
+
+static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
+{
+	u8 macb[9];
+	if (vp702x_usb_inout_cmd(d, GET_MAC_ADDRESS, NULL, 0, macb, 9, 10))
+		return -EIO;
+	memcpy(mac,&macb[3],6);
+	return 0;
+}
+
+static int vp702x_frontend_attach(struct dvb_usb_device *d)
+{
+	u8 buf[9] = { 0 };
+
+	if (vp702x_usb_inout_cmd(d, GET_SYSTEM_STRING, NULL, 0, buf, 9, 10))
+		return -EIO;
+
+	buf[8] = '\0';
+	info("system string: %s",&buf[1]);
+
+	d->fe = vp702x_fe_attach(d);
+	return 0;
+}
+
+static struct dvb_usb_properties vp702x_properties;
+
+static int vp702x_usb_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	struct usb_device *udev = interface_to_usbdev(intf);
+
+	usb_clear_halt(udev,usb_sndctrlpipe(udev,0));
+	usb_clear_halt(udev,usb_rcvctrlpipe(udev,0));
+
+	return dvb_usb_device_init(intf,&vp702x_properties,THIS_MODULE,NULL);
+}
+
+static struct usb_device_id vp702x_usb_table [] = {
+	    { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_COLD) },
+	    { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_WARM) },
+	    { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_COLD) },
+	    { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) },
+	    { 0 },
+};
+MODULE_DEVICE_TABLE(usb, vp702x_usb_table);
+
+static struct dvb_usb_properties vp702x_properties = {
+	.caps = DVB_USB_HAS_PID_FILTER | DVB_USB_NEED_PID_FILTERING,
+	.pid_filter_count = 8, /* !!! */
+
+	.usb_ctrl = CYPRESS_FX2,
+	.firmware = "dvb-usb-vp702x-01.fw",
+
+	.pid_filter       = vp702x_pid_filter,
+	.power_ctrl       = vp702x_power_ctrl,
+	.frontend_attach  = vp702x_frontend_attach,
+	.read_mac_address = vp702x_read_mac_addr,
+
+	.rc_key_map       = vp702x_rc_keys,
+	.rc_key_map_size  = ARRAY_SIZE(vp702x_rc_keys),
+	.rc_interval      = 400,
+	.rc_query         = vp702x_rc_query,
+
+	.size_of_priv     = sizeof(struct vp702x_state),
+
+	/* parameter for the MPEG2-data transfer */
+	.urb = {
+		.type = DVB_USB_BULK,
+		.count = 7,
+		.endpoint = 0x02,
+		.u = {
+			.bulk = {
+				.buffersize = 4096,
+			}
+		}
+	},
+
+	.num_device_descs = 2,
+	.devices = {
+		{ .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)",
+		  .cold_ids = { &vp702x_usb_table[0], NULL },
+		  .warm_ids = { &vp702x_usb_table[1], NULL },
+		},
+		{ .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)",
+		  .cold_ids = { &vp702x_usb_table[2], NULL },
+		  .warm_ids = { &vp702x_usb_table[3], NULL },
+		},
+		{ 0 },
+	}
+};
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver vp702x_usb_driver = {
+	.owner		= THIS_MODULE,
+	.name		= "dvb-usb-vp702x",
+	.probe 		= vp702x_usb_probe,
+	.disconnect = dvb_usb_device_exit,
+	.id_table 	= vp702x_usb_table,
+};
+
+/* module stuff */
+static int __init vp702x_usb_module_init(void)
+{
+	int result;
+	if ((result = usb_register(&vp702x_usb_driver))) {
+		err("usb_register failed. (%d)",result);
+		return result;
+	}
+
+	return 0;
+}
+
+static void __exit vp702x_usb_module_exit(void)
+{
+	/* deregister this driver from the USB subsystem */
+	usb_deregister(&vp702x_usb_driver);
+}
+
+module_init(vp702x_usb_module_init);
+module_exit(vp702x_usb_module_exit);
+
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
+MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones");
+MODULE_VERSION("1.0-alpha");
+MODULE_LICENSE("GPL");