xref: /openbmc/linux/drivers/media/usb/dvb-usb/vp7045.c (revision 7587eb18)
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@posteo.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 */
18 static int dvb_usb_vp7045_debug;
19 module_param_named(debug,dvb_usb_vp7045_debug, int, 0644);
20 MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
21 
22 DVB_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 
28 int 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 
78 unlock:
79 	mutex_unlock(&d->usb_mutex);
80 
81 	return ret;
82 }
83 
84 u8 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 
94 static 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. */
104 static 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 
157 static 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 
179 static 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 
193 static 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 
198 static 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 
222 static struct dvb_usb_device_properties vp7045_properties;
223 
224 static 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 
231 static 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 };
238 MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
239 
240 static 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 */
290 static 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 
297 module_usb_driver(vp7045_usb_driver);
298 
299 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
300 MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
301 MODULE_VERSION("1.0");
302 MODULE_LICENSE("GPL");
303