1/* DVB USB compliant Linux driver for the
2 *  - TwinhanDTV Alpha/MagicBoxII USB2.0 DVB-T receiver
3 *  - DigitalNow TinyUSB2 DVB-t receiver
4 *
5 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
6 *
7 * Thanks to Twinhan who kindly provided hardware and information.
8 *
9 *	This program is free software; you can redistribute it and/or modify it
10 *	under the terms of the GNU General Public License as published by the Free
11 *	Software Foundation, version 2.
12 *
13 * see Documentation/dvb/README.dvb-usb for more information
14 */
15#include "vp7045.h"
16
17/* debug */
18static int dvb_usb_vp7045_debug;
19module_param_named(debug,dvb_usb_vp7045_debug, int, 0644);
20MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
21
22DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
23
24#define deb_info(args...) dprintk(dvb_usb_vp7045_debug,0x01,args)
25#define deb_xfer(args...) dprintk(dvb_usb_vp7045_debug,0x02,args)
26#define deb_rc(args...)   dprintk(dvb_usb_vp7045_debug,0x04,args)
27
28int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
29{
30	int ret = 0;
31	u8 *buf = d->priv;
32
33	buf[0] = cmd;
34
35	if (outlen > 19)
36		outlen = 19;
37
38	if (inlen > 11)
39		inlen = 11;
40
41	ret = mutex_lock_interruptible(&d->usb_mutex);
42	if (ret)
43		return ret;
44
45	if (out != NULL && outlen > 0)
46		memcpy(&buf[1], out, outlen);
47
48	deb_xfer("out buffer: ");
49	debug_dump(buf, outlen+1, deb_xfer);
50
51
52	if (usb_control_msg(d->udev,
53			usb_sndctrlpipe(d->udev,0),
54			TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
55			buf, 20, 2000) != 20) {
56		err("USB control message 'out' went wrong.");
57		ret = -EIO;
58		goto unlock;
59	}
60
61	msleep(msec);
62
63	if (usb_control_msg(d->udev,
64			usb_rcvctrlpipe(d->udev,0),
65			TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
66			buf, 12, 2000) != 12) {
67		err("USB control message 'in' went wrong.");
68		ret = -EIO;
69		goto unlock;
70	}
71
72	deb_xfer("in buffer: ");
73	debug_dump(buf, 12, deb_xfer);
74
75	if (in != NULL && inlen > 0)
76		memcpy(in, &buf[1], inlen);
77
78unlock:
79	mutex_unlock(&d->usb_mutex);
80
81	return ret;
82}
83
84u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
85{
86	u8 obuf[2] = { 0 },v;
87	obuf[1] = reg;
88
89	vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);
90
91	return v;
92}
93
94static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
95{
96	u8 v = onoff;
97	return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
98}
99
100/* remote control stuff */
101
102/* The keymapping struct. Somehow this should be loaded to the driver, but
103 * currently it is hardcoded. */
104static struct rc_map_table rc_map_vp7045_table[] = {
105	{ 0x0016, KEY_POWER },
106	{ 0x0010, KEY_MUTE },
107	{ 0x0003, KEY_1 },
108	{ 0x0001, KEY_2 },
109	{ 0x0006, KEY_3 },
110	{ 0x0009, KEY_4 },
111	{ 0x001d, KEY_5 },
112	{ 0x001f, KEY_6 },
113	{ 0x000d, KEY_7 },
114	{ 0x0019, KEY_8 },
115	{ 0x001b, KEY_9 },
116	{ 0x0015, KEY_0 },
117	{ 0x0005, KEY_CHANNELUP },
118	{ 0x0002, KEY_CHANNELDOWN },
119	{ 0x001e, KEY_VOLUMEUP },
120	{ 0x000a, KEY_VOLUMEDOWN },
121	{ 0x0011, KEY_RECORD },
122	{ 0x0017, KEY_FAVORITES }, /* Heart symbol - Channel list. */
123	{ 0x0014, KEY_PLAY },
124	{ 0x001a, KEY_STOP },
125	{ 0x0040, KEY_REWIND },
126	{ 0x0012, KEY_FASTFORWARD },
127	{ 0x000e, KEY_PREVIOUS }, /* Recall - Previous channel. */
128	{ 0x004c, KEY_PAUSE },
129	{ 0x004d, KEY_SCREEN }, /* Full screen mode. */
130	{ 0x0054, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
131	{ 0x000c, KEY_CANCEL }, /* Cancel */
132	{ 0x001c, KEY_EPG }, /* EPG */
133	{ 0x0000, KEY_TAB }, /* Tab */
134	{ 0x0048, KEY_INFO }, /* Preview */
135	{ 0x0004, KEY_LIST }, /* RecordList */
136	{ 0x000f, KEY_TEXT }, /* Teletext */
137	{ 0x0041, KEY_PREVIOUSSONG },
138	{ 0x0042, KEY_NEXTSONG },
139	{ 0x004b, KEY_UP },
140	{ 0x0051, KEY_DOWN },
141	{ 0x004e, KEY_LEFT },
142	{ 0x0052, KEY_RIGHT },
143	{ 0x004f, KEY_ENTER },
144	{ 0x0013, KEY_CANCEL },
145	{ 0x004a, KEY_CLEAR },
146	{ 0x0054, KEY_PRINT }, /* Capture */
147	{ 0x0043, KEY_SUBTITLE }, /* Subtitle/CC */
148	{ 0x0008, KEY_VIDEO }, /* A/V */
149	{ 0x0007, KEY_SLEEP }, /* Hibernate */
150	{ 0x0045, KEY_ZOOM }, /* Zoom+ */
151	{ 0x0018, KEY_RED},
152	{ 0x0053, KEY_GREEN},
153	{ 0x005e, KEY_YELLOW},
154	{ 0x005f, KEY_BLUE}
155};
156
157static int vp7045_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
158{
159	u8 key;
160	int i;
161	vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
162
163	deb_rc("remote query key: %x %d\n",key,key);
164
165	if (key == 0x44) {
166		*state = REMOTE_NO_KEY_PRESSED;
167		return 0;
168	}
169
170	for (i = 0; i < ARRAY_SIZE(rc_map_vp7045_table); i++)
171		if (rc5_data(&rc_map_vp7045_table[i]) == key) {
172			*state = REMOTE_KEY_PRESSED;
173			*event = rc_map_vp7045_table[i].keycode;
174			break;
175		}
176	return 0;
177}
178
179static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
180{
181	int i = 0;
182	u8 v,br[2];
183	for (i=0; i < len; i++) {
184		v = offset + i;
185		vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
186		buf[i] = br[1];
187	}
188	deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
189	debug_dump(buf,i,deb_info);
190	return 0;
191}
192
193static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
194{
195	return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
196}
197
198static int vp7045_frontend_attach(struct dvb_usb_adapter *adap)
199{
200	u8 buf[255] = { 0 };
201
202	vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0);
203	buf[10] = '\0';
204	deb_info("firmware says: %s ",buf);
205
206	vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0);
207	buf[10] = '\0';
208	deb_info("%s ",buf);
209
210	vp7045_usb_op(adap->dev,FW_VERSION_READ,NULL,0,buf,20,0);
211	buf[10] = '\0';
212	deb_info("v%s\n",buf);
213
214/*	Dump the EEPROM */
215/*	vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
216
217	adap->fe_adap[0].fe = vp7045_fe_attach(adap->dev);
218
219	return 0;
220}
221
222static struct dvb_usb_device_properties vp7045_properties;
223
224static int vp7045_usb_probe(struct usb_interface *intf,
225		const struct usb_device_id *id)
226{
227	return dvb_usb_device_init(intf, &vp7045_properties,
228				   THIS_MODULE, NULL, adapter_nr);
229}
230
231static struct usb_device_id vp7045_usb_table [] = {
232	    { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
233	    { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
234	    { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
235	    { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
236	    { 0 },
237};
238MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
239
240static struct dvb_usb_device_properties vp7045_properties = {
241	.usb_ctrl = CYPRESS_FX2,
242	.firmware = "dvb-usb-vp7045-01.fw",
243	.size_of_priv = 20,
244
245	.num_adapters = 1,
246	.adapter = {
247		{
248		.num_frontends = 1,
249		.fe = {{
250			.frontend_attach  = vp7045_frontend_attach,
251			/* parameter for the MPEG2-data transfer */
252			.stream = {
253				.type = USB_BULK,
254				.count = 7,
255				.endpoint = 0x02,
256				.u = {
257					.bulk = {
258						.buffersize = 4096,
259					}
260				}
261			},
262		}},
263		}
264	},
265	.power_ctrl       = vp7045_power_ctrl,
266	.read_mac_address = vp7045_read_mac_addr,
267
268	.rc.legacy = {
269		.rc_interval      = 400,
270		.rc_map_table       = rc_map_vp7045_table,
271		.rc_map_size  = ARRAY_SIZE(rc_map_vp7045_table),
272		.rc_query         = vp7045_rc_query,
273	},
274
275	.num_device_descs = 2,
276	.devices = {
277		{ .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
278		  .cold_ids = { &vp7045_usb_table[0], NULL },
279		  .warm_ids = { &vp7045_usb_table[1], NULL },
280		},
281		{ .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
282		  .cold_ids = { &vp7045_usb_table[2], NULL },
283		  .warm_ids = { &vp7045_usb_table[3], NULL },
284		},
285		{ NULL },
286	}
287};
288
289/* usb specific object needed to register this driver with the usb subsystem */
290static struct usb_driver vp7045_usb_driver = {
291	.name		= "dvb_usb_vp7045",
292	.probe		= vp7045_usb_probe,
293	.disconnect	= dvb_usb_device_exit,
294	.id_table	= vp7045_usb_table,
295};
296
297module_usb_driver(vp7045_usb_driver);
298
299MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
300MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
301MODULE_VERSION("1.0");
302MODULE_LICENSE("GPL");
303