V4L/DVB (3318b): sem2mutex: drivers/media/, #2
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / media / dvb / dvb-usb / vp7045.c
CommitLineData
776338e1
JS
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 */
18int 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
22int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
23{
24 int ret = 0;
25 u8 inbuf[12] = { 0 }, outbuf[20] = { 0 };
26
27 outbuf[0] = cmd;
28
29 if (outlen > 19)
30 outlen = 19;
31
32 if (inlen > 11)
33 inlen = 11;
34
35 if (out != NULL && outlen > 0)
36 memcpy(&outbuf[1], out, outlen);
37
38 deb_xfer("out buffer: ");
39 debug_dump(outbuf,outlen+1,deb_xfer);
40
3593cab5 41 if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
776338e1
JS
42 return ret;
43
44 if (usb_control_msg(d->udev,
45 usb_sndctrlpipe(d->udev,0),
46 TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
63b5c1c4 47 outbuf, 20, 2000) != 20) {
776338e1
JS
48 err("USB control message 'out' went wrong.");
49 ret = -EIO;
50 goto unlock;
51 }
52
53 msleep(msec);
54
55 if (usb_control_msg(d->udev,
56 usb_rcvctrlpipe(d->udev,0),
57 TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
63b5c1c4 58 inbuf, 12, 2000) != 12) {
776338e1
JS
59 err("USB control message 'in' went wrong.");
60 ret = -EIO;
61 goto unlock;
62 }
63
64 deb_xfer("in buffer: ");
65 debug_dump(inbuf,12,deb_xfer);
66
67 if (in != NULL && inlen > 0)
68 memcpy(in,&inbuf[1],inlen);
69
70unlock:
3593cab5 71 mutex_unlock(&d->usb_mutex);
776338e1
JS
72
73 return ret;
74}
75
76u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
77{
78 u8 obuf[2] = { 0 },v;
79 obuf[1] = reg;
80
81 vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);
82
83 return v;
84}
85
86static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
87{
88 u8 v = onoff;
89 return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
90}
91
92/* remote control stuff */
93
94/* The keymapping struct. Somehow this should be loaded to the driver, but
95 * currently it is hardcoded. */
96static struct dvb_usb_rc_key vp7045_rc_keys[] = {
2d188c68
PB
97 { 0x00, 0x16, KEY_POWER },
98 { 0x00, 0x10, KEY_MUTE },
99 { 0x00, 0x03, KEY_1 },
100 { 0x00, 0x01, KEY_2 },
101 { 0x00, 0x06, KEY_3 },
102 { 0x00, 0x09, KEY_4 },
103 { 0x00, 0x1d, KEY_5 },
104 { 0x00, 0x1f, KEY_6 },
105 { 0x00, 0x0d, KEY_7 },
106 { 0x00, 0x19, KEY_8 },
107 { 0x00, 0x1b, KEY_9 },
108 { 0x00, 0x15, KEY_0 },
109 { 0x00, 0x05, KEY_CHANNELUP },
110 { 0x00, 0x02, KEY_CHANNELDOWN },
111 { 0x00, 0x1e, KEY_VOLUMEUP },
112 { 0x00, 0x0a, KEY_VOLUMEDOWN },
113 { 0x00, 0x11, KEY_RECORD },
114 { 0x00, 0x17, KEY_FAVORITES }, /* Heart symbol - Channel list. */
115 { 0x00, 0x14, KEY_PLAY },
116 { 0x00, 0x1a, KEY_STOP },
117 { 0x00, 0x40, KEY_REWIND },
118 { 0x00, 0x12, KEY_FASTFORWARD },
119 { 0x00, 0x0e, KEY_PREVIOUS }, /* Recall - Previous channel. */
120 { 0x00, 0x4c, KEY_PAUSE },
121 { 0x00, 0x4d, KEY_SCREEN }, /* Full screen mode. */
122 { 0x00, 0x54, KEY_AUDIO }, /* MTS - Switch to secondary audio. */
04f3e5ea 123 { 0x00, 0x0c, KEY_CANCEL }, /* Cancel */
2d188c68 124 { 0x00, 0x1c, KEY_EPG }, /* EPG */
04f3e5ea 125 { 0x00, 0x00, KEY_TAB }, /* Tab */
2d188c68
PB
126 { 0x00, 0x48, KEY_INFO }, /* Preview */
127 { 0x00, 0x04, KEY_LIST }, /* RecordList */
128 { 0x00, 0x0f, KEY_TEXT } /* Teletext */
776338e1
JS
129};
130
8df3d460 131static int vp7045_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
776338e1
JS
132{
133 u8 key;
134 int i;
135 vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
136
137 deb_rc("remote query key: %x %d\n",key,key);
138
139 if (key == 0x44) {
140 *state = REMOTE_NO_KEY_PRESSED;
141 return 0;
142 }
143
144 for (i = 0; i < sizeof(vp7045_rc_keys)/sizeof(struct dvb_usb_rc_key); i++)
145 if (vp7045_rc_keys[i].data == key) {
146 *state = REMOTE_KEY_PRESSED;
8df3d460 147 *event = vp7045_rc_keys[i].event;
776338e1
JS
148 break;
149 }
150 return 0;
151}
152
153static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
154{
155 int i = 0;
156 u8 v,br[2];
157 for (i=0; i < len; i++) {
158 v = offset + i;
159 vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
160 buf[i] = br[1];
161 }
162 deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
163 debug_dump(buf,i,deb_info);
164 return 0;
165}
166
776338e1
JS
167static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
168{
169 return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
170}
171
172static int vp7045_frontend_attach(struct dvb_usb_device *d)
173{
174 u8 buf[255] = { 0 };
175
176 vp7045_usb_op(d,VENDOR_STRING_READ,NULL,0,buf,20,0);
177 buf[10] = '\0';
178 deb_info("firmware says: %s ",buf);
179
180 vp7045_usb_op(d,PRODUCT_STRING_READ,NULL,0,buf,20,0);
181 buf[10] = '\0';
182 deb_info("%s ",buf);
183
184 vp7045_usb_op(d,FW_VERSION_READ,NULL,0,buf,20,0);
185 buf[10] = '\0';
186 deb_info("v%s\n",buf);
187
188/* Dump the EEPROM */
189/* vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
190
191 d->fe = vp7045_fe_attach(d);
192
193 return 0;
194}
195
196static struct dvb_usb_properties vp7045_properties;
197
198static int vp7045_usb_probe(struct usb_interface *intf,
199 const struct usb_device_id *id)
200{
47dc3d68 201 return dvb_usb_device_init(intf,&vp7045_properties,THIS_MODULE,NULL);
776338e1
JS
202}
203
204static struct usb_device_id vp7045_usb_table [] = {
205 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
206 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
207 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
208 { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
209 { 0 },
210};
211MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
212
213static struct dvb_usb_properties vp7045_properties = {
214 .caps = 0,
215
216 .usb_ctrl = CYPRESS_FX2,
217 .firmware = "dvb-usb-vp7045-01.fw",
218
219 .power_ctrl = vp7045_power_ctrl,
220 .frontend_attach = vp7045_frontend_attach,
221 .read_mac_address = vp7045_read_mac_addr,
222
223 .rc_interval = 400,
224 .rc_key_map = vp7045_rc_keys,
225 .rc_key_map_size = ARRAY_SIZE(vp7045_rc_keys),
226 .rc_query = vp7045_rc_query,
227
228 /* parameter for the MPEG2-data transfer */
229 .urb = {
230 .type = DVB_USB_BULK,
231 .count = 7,
232 .endpoint = 0x02,
233 .u = {
234 .bulk = {
235 .buffersize = 4096,
236 }
237 }
238 },
239
240 .num_device_descs = 2,
241 .devices = {
242 { .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
243 .cold_ids = { &vp7045_usb_table[0], NULL },
244 .warm_ids = { &vp7045_usb_table[1], NULL },
245 },
246 { .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
247 .cold_ids = { &vp7045_usb_table[2], NULL },
248 .warm_ids = { &vp7045_usb_table[3], NULL },
249 },
4302c15e 250 { 0 },
776338e1
JS
251 }
252};
253
254/* usb specific object needed to register this driver with the usb subsystem */
255static struct usb_driver vp7045_usb_driver = {
63b5c1c4 256 .name = "dvb_usb_vp7045",
3beab78f 257 .probe = vp7045_usb_probe,
776338e1 258 .disconnect = dvb_usb_device_exit,
3beab78f 259 .id_table = vp7045_usb_table,
776338e1
JS
260};
261
262/* module stuff */
263static int __init vp7045_usb_module_init(void)
264{
265 int result;
266 if ((result = usb_register(&vp7045_usb_driver))) {
267 err("usb_register failed. (%d)",result);
268 return result;
269 }
270
271 return 0;
272}
273
274static void __exit vp7045_usb_module_exit(void)
275{
276 /* deregister this driver from the USB subsystem */
277 usb_deregister(&vp7045_usb_driver);
278}
279
280module_init(vp7045_usb_module_init);
281module_exit(vp7045_usb_module_exit);
282
283MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
284MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
285MODULE_VERSION("1.0");
286MODULE_LICENSE("GPL");