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/media/dvb-drivers/dvb-usb.rst 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
vp7045_usb_op(struct dvb_usb_device * d,u8 cmd,u8 * out,int outlen,u8 * in,int inlen,int msec)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
vp7045_read_reg(struct dvb_usb_device * d,u8 reg)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
vp7045_power_ctrl(struct dvb_usb_device * d,int onoff)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
vp7045_rc_query(struct dvb_usb_device * d)100 static int vp7045_rc_query(struct dvb_usb_device *d)
101 {
102 int ret;
103 u8 key;
104
105 ret = vp7045_usb_op(d, RC_VAL_READ, NULL, 0, &key, 1, 20);
106 if (ret)
107 return ret;
108
109 deb_rc("remote query key: %x\n", key);
110
111 if (key != 0x44) {
112 /*
113 * The 8 bit address isn't available, but since the remote uses
114 * address 0 we'll use that. nec repeats are ignored too, even
115 * though the remote sends them.
116 */
117 rc_keydown(d->rc_dev, RC_PROTO_NEC, RC_SCANCODE_NEC(0, key), 0);
118 }
119
120 return 0;
121 }
122
vp7045_read_eeprom(struct dvb_usb_device * d,u8 * buf,int len,int offset)123 static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
124 {
125 int i, ret;
126 u8 v, br[2];
127 for (i=0; i < len; i++) {
128 v = offset + i;
129 ret = vp7045_usb_op(d, GET_EE_VALUE, &v, 1, br, 2, 5);
130 if (ret)
131 return ret;
132
133 buf[i] = br[1];
134 }
135 deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ", offset, i);
136 debug_dump(buf, i, deb_info);
137 return 0;
138 }
139
vp7045_read_mac_addr(struct dvb_usb_device * d,u8 mac[6])140 static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
141 {
142 return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
143 }
144
vp7045_frontend_attach(struct dvb_usb_adapter * adap)145 static int vp7045_frontend_attach(struct dvb_usb_adapter *adap)
146 {
147 u8 buf[255] = { 0 };
148
149 vp7045_usb_op(adap->dev,VENDOR_STRING_READ,NULL,0,buf,20,0);
150 buf[10] = '\0';
151 deb_info("firmware says: %s ",buf);
152
153 vp7045_usb_op(adap->dev,PRODUCT_STRING_READ,NULL,0,buf,20,0);
154 buf[10] = '\0';
155 deb_info("%s ",buf);
156
157 vp7045_usb_op(adap->dev,FW_VERSION_READ,NULL,0,buf,20,0);
158 buf[10] = '\0';
159 deb_info("v%s\n",buf);
160
161 /* Dump the EEPROM */
162 /* vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
163
164 adap->fe_adap[0].fe = vp7045_fe_attach(adap->dev);
165
166 return 0;
167 }
168
169 static struct dvb_usb_device_properties vp7045_properties;
170
vp7045_usb_probe(struct usb_interface * intf,const struct usb_device_id * id)171 static int vp7045_usb_probe(struct usb_interface *intf,
172 const struct usb_device_id *id)
173 {
174 return dvb_usb_device_init(intf, &vp7045_properties,
175 THIS_MODULE, NULL, adapter_nr);
176 }
177
178 static struct usb_device_id vp7045_usb_table [] = {
179 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
180 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
181 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
182 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
183 { 0 },
184 };
185 MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
186
187 static struct dvb_usb_device_properties vp7045_properties = {
188 .usb_ctrl = CYPRESS_FX2,
189 .firmware = "dvb-usb-vp7045-01.fw",
190 .size_of_priv = 20,
191
192 .num_adapters = 1,
193 .adapter = {
194 {
195 .num_frontends = 1,
196 .fe = {{
197 .frontend_attach = vp7045_frontend_attach,
198 /* parameter for the MPEG2-data transfer */
199 .stream = {
200 .type = USB_BULK,
201 .count = 7,
202 .endpoint = 0x02,
203 .u = {
204 .bulk = {
205 .buffersize = 4096,
206 }
207 }
208 },
209 }},
210 }
211 },
212 .power_ctrl = vp7045_power_ctrl,
213 .read_mac_address = vp7045_read_mac_addr,
214
215 .rc.core = {
216 .rc_interval = 400,
217 .rc_codes = RC_MAP_TWINHAN_VP1027_DVBS,
218 .module_name = KBUILD_MODNAME,
219 .rc_query = vp7045_rc_query,
220 .allowed_protos = RC_PROTO_BIT_NEC,
221 .scancode_mask = 0xff,
222 },
223
224 .num_device_descs = 2,
225 .devices = {
226 { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
227 .cold_ids = { &vp7045_usb_table[0], NULL },
228 .warm_ids = { &vp7045_usb_table[1], NULL },
229 },
230 { .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
231 .cold_ids = { &vp7045_usb_table[2], NULL },
232 .warm_ids = { &vp7045_usb_table[3], NULL },
233 },
234 { NULL },
235 }
236 };
237
238 /* usb specific object needed to register this driver with the usb subsystem */
239 static struct usb_driver vp7045_usb_driver = {
240 .name = "dvb_usb_vp7045",
241 .probe = vp7045_usb_probe,
242 .disconnect = dvb_usb_device_exit,
243 .id_table = vp7045_usb_table,
244 };
245
246 module_usb_driver(vp7045_usb_driver);
247
248 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
249 MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
250 MODULE_VERSION("1.0");
251 MODULE_LICENSE("GPL");
252