diff options
Diffstat (limited to 'drivers/media/video/mxb.c')
-rw-r--r-- | drivers/media/video/mxb.c | 872 |
1 files changed, 872 insertions, 0 deletions
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c new file mode 100644 index 00000000000..0b385002350 --- /dev/null +++ b/drivers/media/video/mxb.c | |||
@@ -0,0 +1,872 @@ | |||
1 | /* | ||
2 | mxb - v4l2 driver for the Multimedia eXtension Board | ||
3 | |||
4 | Copyright (C) 1998-2006 Michael Hunold <michael@mihu.de> | ||
5 | |||
6 | Visit http://www.themm.net/~mihu/linux/saa7146/mxb.html | ||
7 | for further details about this card. | ||
8 | |||
9 | This program is free software; you can redistribute it and/or modify | ||
10 | it under the terms of the GNU General Public License as published by | ||
11 | the Free Software Foundation; either version 2 of the License, or | ||
12 | (at your option) any later version. | ||
13 | |||
14 | This program is distributed in the hope that it will be useful, | ||
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
17 | GNU General Public License for more details. | ||
18 | |||
19 | You should have received a copy of the GNU General Public License | ||
20 | along with this program; if not, write to the Free Software | ||
21 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
22 | */ | ||
23 | |||
24 | #define DEBUG_VARIABLE debug | ||
25 | |||
26 | #include <media/saa7146_vv.h> | ||
27 | #include <media/tuner.h> | ||
28 | #include <media/v4l2-common.h> | ||
29 | #include <media/saa7115.h> | ||
30 | |||
31 | #include "mxb.h" | ||
32 | #include "tea6415c.h" | ||
33 | #include "tea6420.h" | ||
34 | |||
35 | #define I2C_SAA7111A 0x24 | ||
36 | #define I2C_TDA9840 0x42 | ||
37 | #define I2C_TEA6415C 0x43 | ||
38 | #define I2C_TEA6420_1 0x4c | ||
39 | #define I2C_TEA6420_2 0x4d | ||
40 | #define I2C_TUNER 0x60 | ||
41 | |||
42 | #define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0) | ||
43 | |||
44 | /* global variable */ | ||
45 | static int mxb_num; | ||
46 | |||
47 | /* initial frequence the tuner will be tuned to. | ||
48 | in verden (lower saxony, germany) 4148 is a | ||
49 | channel called "phoenix" */ | ||
50 | static int freq = 4148; | ||
51 | module_param(freq, int, 0644); | ||
52 | MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup"); | ||
53 | |||
54 | static int debug; | ||
55 | module_param(debug, int, 0644); | ||
56 | MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off)."); | ||
57 | |||
58 | #define MXB_INPUTS 4 | ||
59 | enum { TUNER, AUX1, AUX3, AUX3_YC }; | ||
60 | |||
61 | static struct v4l2_input mxb_inputs[MXB_INPUTS] = { | ||
62 | { TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD }, | ||
63 | { AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD }, | ||
64 | { AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD }, | ||
65 | { AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0, V4L2_IN_CAP_STD }, | ||
66 | }; | ||
67 | |||
68 | /* this array holds the information, which port of the saa7146 each | ||
69 | input actually uses. the mxb uses port 0 for every input */ | ||
70 | static struct { | ||
71 | int hps_source; | ||
72 | int hps_sync; | ||
73 | } input_port_selection[MXB_INPUTS] = { | ||
74 | { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, | ||
75 | { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, | ||
76 | { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, | ||
77 | { SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A }, | ||
78 | }; | ||
79 | |||
80 | /* this array holds the information of the audio source (mxb_audios), | ||
81 | which has to be switched corresponding to the video source (mxb_channels) */ | ||
82 | static int video_audio_connect[MXB_INPUTS] = | ||
83 | { 0, 1, 3, 3 }; | ||
84 | |||
85 | struct mxb_routing { | ||
86 | u32 input; | ||
87 | u32 output; | ||
88 | }; | ||
89 | |||
90 | /* These are the necessary input-output-pins for bringing one audio source | ||
91 | (see above) to the CD-output. Note that gain is set to 0 in this table. */ | ||
92 | static struct mxb_routing TEA6420_cd[MXB_AUDIOS + 1][2] = { | ||
93 | { { 1, 1 }, { 1, 1 } }, /* Tuner */ | ||
94 | { { 5, 1 }, { 6, 1 } }, /* AUX 1 */ | ||
95 | { { 4, 1 }, { 6, 1 } }, /* AUX 2 */ | ||
96 | { { 3, 1 }, { 6, 1 } }, /* AUX 3 */ | ||
97 | { { 1, 1 }, { 3, 1 } }, /* Radio */ | ||
98 | { { 1, 1 }, { 2, 1 } }, /* CD-Rom */ | ||
99 | { { 6, 1 }, { 6, 1 } } /* Mute */ | ||
100 | }; | ||
101 | |||
102 | /* These are the necessary input-output-pins for bringing one audio source | ||
103 | (see above) to the line-output. Note that gain is set to 0 in this table. */ | ||
104 | static struct mxb_routing TEA6420_line[MXB_AUDIOS + 1][2] = { | ||
105 | { { 2, 3 }, { 1, 2 } }, | ||
106 | { { 5, 3 }, { 6, 2 } }, | ||
107 | { { 4, 3 }, { 6, 2 } }, | ||
108 | { { 3, 3 }, { 6, 2 } }, | ||
109 | { { 2, 3 }, { 3, 2 } }, | ||
110 | { { 2, 3 }, { 2, 2 } }, | ||
111 | { { 6, 3 }, { 6, 2 } } /* Mute */ | ||
112 | }; | ||
113 | |||
114 | #define MAXCONTROLS 1 | ||
115 | static struct v4l2_queryctrl mxb_controls[] = { | ||
116 | { V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 }, | ||
117 | }; | ||
118 | |||
119 | struct mxb | ||
120 | { | ||
121 | struct video_device *video_dev; | ||
122 | struct video_device *vbi_dev; | ||
123 | |||
124 | struct i2c_adapter i2c_adapter; | ||
125 | |||
126 | struct v4l2_subdev *saa7111a; | ||
127 | struct v4l2_subdev *tda9840; | ||
128 | struct v4l2_subdev *tea6415c; | ||
129 | struct v4l2_subdev *tuner; | ||
130 | struct v4l2_subdev *tea6420_1; | ||
131 | struct v4l2_subdev *tea6420_2; | ||
132 | |||
133 | int cur_mode; /* current audio mode (mono, stereo, ...) */ | ||
134 | int cur_input; /* current input */ | ||
135 | int cur_mute; /* current mute status */ | ||
136 | struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */ | ||
137 | }; | ||
138 | |||
139 | #define saa7111a_call(mxb, o, f, args...) \ | ||
140 | v4l2_subdev_call(mxb->saa7111a, o, f, ##args) | ||
141 | #define tda9840_call(mxb, o, f, args...) \ | ||
142 | v4l2_subdev_call(mxb->tda9840, o, f, ##args) | ||
143 | #define tea6415c_call(mxb, o, f, args...) \ | ||
144 | v4l2_subdev_call(mxb->tea6415c, o, f, ##args) | ||
145 | #define tuner_call(mxb, o, f, args...) \ | ||
146 | v4l2_subdev_call(mxb->tuner, o, f, ##args) | ||
147 | #define call_all(dev, o, f, args...) \ | ||
148 | v4l2_device_call_until_err(&dev->v4l2_dev, 0, o, f, ##args) | ||
149 | |||
150 | static inline void tea6420_route_cd(struct mxb *mxb, int idx) | ||
151 | { | ||
152 | v4l2_subdev_call(mxb->tea6420_1, audio, s_routing, | ||
153 | TEA6420_cd[idx][0].input, TEA6420_cd[idx][0].output, 0); | ||
154 | v4l2_subdev_call(mxb->tea6420_2, audio, s_routing, | ||
155 | TEA6420_cd[idx][1].input, TEA6420_cd[idx][1].output, 0); | ||
156 | } | ||
157 | |||
158 | static inline void tea6420_route_line(struct mxb *mxb, int idx) | ||
159 | { | ||
160 | v4l2_subdev_call(mxb->tea6420_1, audio, s_routing, | ||
161 | TEA6420_line[idx][0].input, TEA6420_line[idx][0].output, 0); | ||
162 | v4l2_subdev_call(mxb->tea6420_2, audio, s_routing, | ||
163 | TEA6420_line[idx][1].input, TEA6420_line[idx][1].output, 0); | ||
164 | } | ||
165 | |||
166 | static struct saa7146_extension extension; | ||
167 | |||
168 | static int mxb_probe(struct saa7146_dev *dev) | ||
169 | { | ||
170 | struct mxb *mxb = NULL; | ||
171 | |||
172 | mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL); | ||
173 | if (mxb == NULL) { | ||
174 | DEB_D(("not enough kernel memory.\n")); | ||
175 | return -ENOMEM; | ||
176 | } | ||
177 | |||
178 | snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num); | ||
179 | |||
180 | saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480); | ||
181 | if (i2c_add_adapter(&mxb->i2c_adapter) < 0) { | ||
182 | DEB_S(("cannot register i2c-device. skipping.\n")); | ||
183 | kfree(mxb); | ||
184 | return -EFAULT; | ||
185 | } | ||
186 | |||
187 | mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, | ||
188 | "saa7111", I2C_SAA7111A, NULL); | ||
189 | mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, | ||
190 | "tea6420", I2C_TEA6420_1, NULL); | ||
191 | mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, | ||
192 | "tea6420", I2C_TEA6420_2, NULL); | ||
193 | mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, | ||
194 | "tea6415c", I2C_TEA6415C, NULL); | ||
195 | mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, | ||
196 | "tda9840", I2C_TDA9840, NULL); | ||
197 | mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter, | ||
198 | "tuner", I2C_TUNER, NULL); | ||
199 | |||
200 | /* check if all devices are present */ | ||
201 | if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c || | ||
202 | !mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) { | ||
203 | printk("mxb: did not find all i2c devices. aborting\n"); | ||
204 | i2c_del_adapter(&mxb->i2c_adapter); | ||
205 | kfree(mxb); | ||
206 | return -ENODEV; | ||
207 | } | ||
208 | |||
209 | /* all devices are present, probe was successful */ | ||
210 | |||
211 | /* we store the pointer in our private data field */ | ||
212 | dev->ext_priv = mxb; | ||
213 | |||
214 | return 0; | ||
215 | } | ||
216 | |||
217 | /* some init data for the saa7740, the so-called 'sound arena module'. | ||
218 | there are no specs available, so we simply use some init values */ | ||
219 | static struct { | ||
220 | int length; | ||
221 | char data[9]; | ||
222 | } mxb_saa7740_init[] = { | ||
223 | { 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } }, | ||
224 | { 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } }, | ||
225 | { 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } }, | ||
226 | { 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } }, | ||
227 | { 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } }, | ||
228 | { 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } }, | ||
229 | { 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } }, | ||
230 | { 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } }, | ||
231 | { 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } }, | ||
232 | { 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } }, | ||
233 | { 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } }, | ||
234 | { 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } }, | ||
235 | { 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } }, | ||
236 | { 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } }, | ||
237 | { 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } }, | ||
238 | { 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } }, | ||
239 | { 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } }, | ||
240 | { 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } }, | ||
241 | { 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } }, | ||
242 | { 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } }, | ||
243 | { 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } }, | ||
244 | { 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } }, | ||
245 | { 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } }, | ||
246 | { 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } }, | ||
247 | { 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } }, | ||
248 | { 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } }, | ||
249 | { 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } }, | ||
250 | { 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } }, | ||
251 | { 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } }, | ||
252 | { 3, { 0x48, 0x00, 0x01 } }, | ||
253 | { 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } }, | ||
254 | { 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } }, | ||
255 | { 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } }, | ||
256 | { 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } }, | ||
257 | { 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } }, | ||
258 | { 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } }, | ||
259 | { 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } }, | ||
260 | { 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } }, | ||
261 | { 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } }, | ||
262 | { 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } }, | ||
263 | { 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } }, | ||
264 | { 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } }, | ||
265 | { 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } }, | ||
266 | { 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } }, | ||
267 | { 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } }, | ||
268 | { 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } }, | ||
269 | { 3, { 0x80, 0xb3, 0x0a } }, | ||
270 | {-1, { 0 } } | ||
271 | }; | ||
272 | |||
273 | /* bring hardware to a sane state. this has to be done, just in case someone | ||
274 | wants to capture from this device before it has been properly initialized. | ||
275 | the capture engine would badly fail, because no valid signal arrives on the | ||
276 | saa7146, thus leading to timeouts and stuff. */ | ||
277 | static int mxb_init_done(struct saa7146_dev* dev) | ||
278 | { | ||
279 | struct mxb* mxb = (struct mxb*)dev->ext_priv; | ||
280 | struct i2c_msg msg; | ||
281 | struct tuner_setup tun_setup; | ||
282 | v4l2_std_id std = V4L2_STD_PAL_BG; | ||
283 | |||
284 | int i = 0, err = 0; | ||
285 | |||
286 | /* select video mode in saa7111a */ | ||
287 | saa7111a_call(mxb, core, s_std, std); | ||
288 | |||
289 | /* select tuner-output on saa7111a */ | ||
290 | i = 0; | ||
291 | saa7111a_call(mxb, video, s_routing, SAA7115_COMPOSITE0, | ||
292 | SAA7111_FMT_CCIR, 0); | ||
293 | |||
294 | /* select a tuner type */ | ||
295 | tun_setup.mode_mask = T_ANALOG_TV; | ||
296 | tun_setup.addr = ADDR_UNSET; | ||
297 | tun_setup.type = TUNER_PHILIPS_PAL; | ||
298 | tuner_call(mxb, tuner, s_type_addr, &tun_setup); | ||
299 | /* tune in some frequency on tuner */ | ||
300 | mxb->cur_freq.tuner = 0; | ||
301 | mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV; | ||
302 | mxb->cur_freq.frequency = freq; | ||
303 | tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq); | ||
304 | |||
305 | /* set a default video standard */ | ||
306 | tuner_call(mxb, core, s_std, std); | ||
307 | |||
308 | /* mute audio on tea6420s */ | ||
309 | tea6420_route_line(mxb, 6); | ||
310 | tea6420_route_cd(mxb, 6); | ||
311 | |||
312 | /* switch to tuner-channel on tea6415c */ | ||
313 | tea6415c_call(mxb, video, s_routing, 3, 17, 0); | ||
314 | |||
315 | /* select tuner-output on multicable on tea6415c */ | ||
316 | tea6415c_call(mxb, video, s_routing, 3, 13, 0); | ||
317 | |||
318 | /* the rest for mxb */ | ||
319 | mxb->cur_input = 0; | ||
320 | mxb->cur_mute = 1; | ||
321 | |||
322 | mxb->cur_mode = V4L2_TUNER_MODE_STEREO; | ||
323 | |||
324 | /* check if the saa7740 (aka 'sound arena module') is present | ||
325 | on the mxb. if so, we must initialize it. due to lack of | ||
326 | informations about the saa7740, the values were reverse | ||
327 | engineered. */ | ||
328 | msg.addr = 0x1b; | ||
329 | msg.flags = 0; | ||
330 | msg.len = mxb_saa7740_init[0].length; | ||
331 | msg.buf = &mxb_saa7740_init[0].data[0]; | ||
332 | |||
333 | err = i2c_transfer(&mxb->i2c_adapter, &msg, 1); | ||
334 | if (err == 1) { | ||
335 | /* the sound arena module is a pos, that's probably the reason | ||
336 | philips refuses to hand out a datasheet for the saa7740... | ||
337 | it seems to screw up the i2c bus, so we disable fast irq | ||
338 | based i2c transactions here and rely on the slow and safe | ||
339 | polling method ... */ | ||
340 | extension.flags &= ~SAA7146_USE_I2C_IRQ; | ||
341 | for (i = 1; ; i++) { | ||
342 | if (-1 == mxb_saa7740_init[i].length) | ||
343 | break; | ||
344 | |||
345 | msg.len = mxb_saa7740_init[i].length; | ||
346 | msg.buf = &mxb_saa7740_init[i].data[0]; | ||
347 | err = i2c_transfer(&mxb->i2c_adapter, &msg, 1); | ||
348 | if (err != 1) { | ||
349 | DEB_D(("failed to initialize 'sound arena module'.\n")); | ||
350 | goto err; | ||
351 | } | ||
352 | } | ||
353 | INFO(("'sound arena module' detected.\n")); | ||
354 | } | ||
355 | err: | ||
356 | /* the rest for saa7146: you should definitely set some basic values | ||
357 | for the input-port handling of the saa7146. */ | ||
358 | |||
359 | /* ext->saa has been filled by the core driver */ | ||
360 | |||
361 | /* some stuff is done via variables */ | ||
362 | saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, | ||
363 | input_port_selection[mxb->cur_input].hps_sync); | ||
364 | |||
365 | /* some stuff is done via direct write to the registers */ | ||
366 | |||
367 | /* this is ugly, but because of the fact that this is completely | ||
368 | hardware dependend, it should be done directly... */ | ||
369 | saa7146_write(dev, DD1_STREAM_B, 0x00000000); | ||
370 | saa7146_write(dev, DD1_INIT, 0x02000200); | ||
371 | saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); | ||
372 | |||
373 | return 0; | ||
374 | } | ||
375 | |||
376 | /* interrupt-handler. this gets called when irq_mask is != 0. | ||
377 | it must clear the interrupt-bits in irq_mask it has handled */ | ||
378 | /* | ||
379 | void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask) | ||
380 | { | ||
381 | struct mxb* mxb = (struct mxb*)dev->ext_priv; | ||
382 | } | ||
383 | */ | ||
384 | |||
385 | static int vidioc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *qc) | ||
386 | { | ||
387 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
388 | int i; | ||
389 | |||
390 | for (i = MAXCONTROLS - 1; i >= 0; i--) { | ||
391 | if (mxb_controls[i].id == qc->id) { | ||
392 | *qc = mxb_controls[i]; | ||
393 | DEB_D(("VIDIOC_QUERYCTRL %d.\n", qc->id)); | ||
394 | return 0; | ||
395 | } | ||
396 | } | ||
397 | return dev->ext_vv_data->core_ops->vidioc_queryctrl(file, fh, qc); | ||
398 | } | ||
399 | |||
400 | static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *vc) | ||
401 | { | ||
402 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
403 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
404 | int i; | ||
405 | |||
406 | for (i = MAXCONTROLS - 1; i >= 0; i--) { | ||
407 | if (mxb_controls[i].id == vc->id) | ||
408 | break; | ||
409 | } | ||
410 | |||
411 | if (i < 0) | ||
412 | return dev->ext_vv_data->core_ops->vidioc_g_ctrl(file, fh, vc); | ||
413 | |||
414 | if (vc->id == V4L2_CID_AUDIO_MUTE) { | ||
415 | vc->value = mxb->cur_mute; | ||
416 | DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value)); | ||
417 | return 0; | ||
418 | } | ||
419 | |||
420 | DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n", vc->value)); | ||
421 | return 0; | ||
422 | } | ||
423 | |||
424 | static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *vc) | ||
425 | { | ||
426 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
427 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
428 | int i = 0; | ||
429 | |||
430 | for (i = MAXCONTROLS - 1; i >= 0; i--) { | ||
431 | if (mxb_controls[i].id == vc->id) | ||
432 | break; | ||
433 | } | ||
434 | |||
435 | if (i < 0) | ||
436 | return dev->ext_vv_data->core_ops->vidioc_s_ctrl(file, fh, vc); | ||
437 | |||
438 | if (vc->id == V4L2_CID_AUDIO_MUTE) { | ||
439 | mxb->cur_mute = vc->value; | ||
440 | /* switch the audio-source */ | ||
441 | tea6420_route_line(mxb, vc->value ? 6 : | ||
442 | video_audio_connect[mxb->cur_input]); | ||
443 | DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n", vc->value)); | ||
444 | } | ||
445 | return 0; | ||
446 | } | ||
447 | |||
448 | static int vidioc_enum_input(struct file *file, void *fh, struct v4l2_input *i) | ||
449 | { | ||
450 | DEB_EE(("VIDIOC_ENUMINPUT %d.\n", i->index)); | ||
451 | if (i->index >= MXB_INPUTS) | ||
452 | return -EINVAL; | ||
453 | memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input)); | ||
454 | return 0; | ||
455 | } | ||
456 | |||
457 | static int vidioc_g_input(struct file *file, void *fh, unsigned int *i) | ||
458 | { | ||
459 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
460 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
461 | *i = mxb->cur_input; | ||
462 | |||
463 | DEB_EE(("VIDIOC_G_INPUT %d.\n", *i)); | ||
464 | return 0; | ||
465 | } | ||
466 | |||
467 | static int vidioc_s_input(struct file *file, void *fh, unsigned int input) | ||
468 | { | ||
469 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
470 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
471 | int err = 0; | ||
472 | int i = 0; | ||
473 | |||
474 | DEB_EE(("VIDIOC_S_INPUT %d.\n", input)); | ||
475 | |||
476 | if (input >= MXB_INPUTS) | ||
477 | return -EINVAL; | ||
478 | |||
479 | mxb->cur_input = input; | ||
480 | |||
481 | saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, | ||
482 | input_port_selection[input].hps_sync); | ||
483 | |||
484 | /* prepare switching of tea6415c and saa7111a; | ||
485 | have a look at the 'background'-file for further informations */ | ||
486 | switch (input) { | ||
487 | case TUNER: | ||
488 | i = SAA7115_COMPOSITE0; | ||
489 | |||
490 | err = tea6415c_call(mxb, video, s_routing, 3, 17, 0); | ||
491 | |||
492 | /* connect tuner-output always to multicable */ | ||
493 | if (!err) | ||
494 | err = tea6415c_call(mxb, video, s_routing, 3, 13, 0); | ||
495 | break; | ||
496 | case AUX3_YC: | ||
497 | /* nothing to be done here. aux3_yc is | ||
498 | directly connected to the saa711a */ | ||
499 | i = SAA7115_SVIDEO1; | ||
500 | break; | ||
501 | case AUX3: | ||
502 | /* nothing to be done here. aux3 is | ||
503 | directly connected to the saa711a */ | ||
504 | i = SAA7115_COMPOSITE1; | ||
505 | break; | ||
506 | case AUX1: | ||
507 | i = SAA7115_COMPOSITE0; | ||
508 | err = tea6415c_call(mxb, video, s_routing, 1, 17, 0); | ||
509 | break; | ||
510 | } | ||
511 | |||
512 | if (err) | ||
513 | return err; | ||
514 | |||
515 | /* switch video in saa7111a */ | ||
516 | if (saa7111a_call(mxb, video, s_routing, i, SAA7111_FMT_CCIR, 0)) | ||
517 | printk(KERN_ERR "VIDIOC_S_INPUT: could not address saa7111a.\n"); | ||
518 | |||
519 | /* switch the audio-source only if necessary */ | ||
520 | if (0 == mxb->cur_mute) | ||
521 | tea6420_route_line(mxb, video_audio_connect[input]); | ||
522 | |||
523 | return 0; | ||
524 | } | ||
525 | |||
526 | static int vidioc_g_tuner(struct file *file, void *fh, struct v4l2_tuner *t) | ||
527 | { | ||
528 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
529 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
530 | |||
531 | if (t->index) { | ||
532 | DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index)); | ||
533 | return -EINVAL; | ||
534 | } | ||
535 | |||
536 | DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index)); | ||
537 | |||
538 | memset(t, 0, sizeof(*t)); | ||
539 | strlcpy(t->name, "TV Tuner", sizeof(t->name)); | ||
540 | t->type = V4L2_TUNER_ANALOG_TV; | ||
541 | t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | | ||
542 | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP; | ||
543 | t->audmode = mxb->cur_mode; | ||
544 | return call_all(dev, tuner, g_tuner, t); | ||
545 | } | ||
546 | |||
547 | static int vidioc_s_tuner(struct file *file, void *fh, struct v4l2_tuner *t) | ||
548 | { | ||
549 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
550 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
551 | |||
552 | if (t->index) { | ||
553 | DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n", t->index)); | ||
554 | return -EINVAL; | ||
555 | } | ||
556 | |||
557 | mxb->cur_mode = t->audmode; | ||
558 | return call_all(dev, tuner, s_tuner, t); | ||
559 | } | ||
560 | |||
561 | static int vidioc_g_frequency(struct file *file, void *fh, struct v4l2_frequency *f) | ||
562 | { | ||
563 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
564 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
565 | |||
566 | if (mxb->cur_input) { | ||
567 | DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n", | ||
568 | mxb->cur_input)); | ||
569 | return -EINVAL; | ||
570 | } | ||
571 | |||
572 | *f = mxb->cur_freq; | ||
573 | |||
574 | DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency)); | ||
575 | return 0; | ||
576 | } | ||
577 | |||
578 | static int vidioc_s_frequency(struct file *file, void *fh, struct v4l2_frequency *f) | ||
579 | { | ||
580 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
581 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
582 | struct saa7146_vv *vv = dev->vv_data; | ||
583 | |||
584 | if (f->tuner) | ||
585 | return -EINVAL; | ||
586 | |||
587 | if (V4L2_TUNER_ANALOG_TV != f->type) | ||
588 | return -EINVAL; | ||
589 | |||
590 | if (mxb->cur_input) { | ||
591 | DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n", mxb->cur_input)); | ||
592 | return -EINVAL; | ||
593 | } | ||
594 | |||
595 | mxb->cur_freq = *f; | ||
596 | DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency)); | ||
597 | |||
598 | /* tune in desired frequency */ | ||
599 | tuner_call(mxb, tuner, s_frequency, &mxb->cur_freq); | ||
600 | |||
601 | /* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */ | ||
602 | spin_lock(&dev->slock); | ||
603 | vv->vbi_fieldcount = 0; | ||
604 | spin_unlock(&dev->slock); | ||
605 | |||
606 | return 0; | ||
607 | } | ||
608 | |||
609 | static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a) | ||
610 | { | ||
611 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
612 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
613 | |||
614 | if (a->index > MXB_INPUTS) { | ||
615 | DEB_D(("VIDIOC_G_AUDIO %d out of range.\n", a->index)); | ||
616 | return -EINVAL; | ||
617 | } | ||
618 | |||
619 | DEB_EE(("VIDIOC_G_AUDIO %d.\n", a->index)); | ||
620 | memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio)); | ||
621 | return 0; | ||
622 | } | ||
623 | |||
624 | static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a) | ||
625 | { | ||
626 | DEB_D(("VIDIOC_S_AUDIO %d.\n", a->index)); | ||
627 | return 0; | ||
628 | } | ||
629 | |||
630 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
631 | static int vidioc_g_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) | ||
632 | { | ||
633 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
634 | |||
635 | return call_all(dev, core, g_register, reg); | ||
636 | } | ||
637 | |||
638 | static int vidioc_s_register(struct file *file, void *fh, struct v4l2_dbg_register *reg) | ||
639 | { | ||
640 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
641 | |||
642 | return call_all(dev, core, s_register, reg); | ||
643 | } | ||
644 | #endif | ||
645 | |||
646 | static long vidioc_default(struct file *file, void *fh, bool valid_prio, | ||
647 | int cmd, void *arg) | ||
648 | { | ||
649 | struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev; | ||
650 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
651 | |||
652 | switch (cmd) { | ||
653 | case MXB_S_AUDIO_CD: | ||
654 | { | ||
655 | int i = *(int *)arg; | ||
656 | |||
657 | if (i < 0 || i >= MXB_AUDIOS) { | ||
658 | DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n", i)); | ||
659 | return -EINVAL; | ||
660 | } | ||
661 | |||
662 | DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n", i)); | ||
663 | |||
664 | tea6420_route_cd(mxb, i); | ||
665 | return 0; | ||
666 | } | ||
667 | case MXB_S_AUDIO_LINE: | ||
668 | { | ||
669 | int i = *(int *)arg; | ||
670 | |||
671 | if (i < 0 || i >= MXB_AUDIOS) { | ||
672 | DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n", i)); | ||
673 | return -EINVAL; | ||
674 | } | ||
675 | |||
676 | DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n", i)); | ||
677 | tea6420_route_line(mxb, i); | ||
678 | return 0; | ||
679 | } | ||
680 | default: | ||
681 | /* | ||
682 | DEB2(printk("does not handle this ioctl.\n")); | ||
683 | */ | ||
684 | return -ENOIOCTLCMD; | ||
685 | } | ||
686 | return 0; | ||
687 | } | ||
688 | |||
689 | static struct saa7146_ext_vv vv_data; | ||
690 | |||
691 | /* this function only gets called when the probing was successful */ | ||
692 | static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info) | ||
693 | { | ||
694 | struct mxb *mxb; | ||
695 | |||
696 | DEB_EE(("dev:%p\n", dev)); | ||
697 | |||
698 | saa7146_vv_init(dev, &vv_data); | ||
699 | if (mxb_probe(dev)) { | ||
700 | saa7146_vv_release(dev); | ||
701 | return -1; | ||
702 | } | ||
703 | mxb = (struct mxb *)dev->ext_priv; | ||
704 | |||
705 | vv_data.ops.vidioc_queryctrl = vidioc_queryctrl; | ||
706 | vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl; | ||
707 | vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl; | ||
708 | vv_data.ops.vidioc_enum_input = vidioc_enum_input; | ||
709 | vv_data.ops.vidioc_g_input = vidioc_g_input; | ||
710 | vv_data.ops.vidioc_s_input = vidioc_s_input; | ||
711 | vv_data.ops.vidioc_g_tuner = vidioc_g_tuner; | ||
712 | vv_data.ops.vidioc_s_tuner = vidioc_s_tuner; | ||
713 | vv_data.ops.vidioc_g_frequency = vidioc_g_frequency; | ||
714 | vv_data.ops.vidioc_s_frequency = vidioc_s_frequency; | ||
715 | vv_data.ops.vidioc_g_audio = vidioc_g_audio; | ||
716 | vv_data.ops.vidioc_s_audio = vidioc_s_audio; | ||
717 | #ifdef CONFIG_VIDEO_ADV_DEBUG | ||
718 | vv_data.ops.vidioc_g_register = vidioc_g_register; | ||
719 | vv_data.ops.vidioc_s_register = vidioc_s_register; | ||
720 | #endif | ||
721 | vv_data.ops.vidioc_default = vidioc_default; | ||
722 | if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) { | ||
723 | ERR(("cannot register capture v4l2 device. skipping.\n")); | ||
724 | saa7146_vv_release(dev); | ||
725 | return -1; | ||
726 | } | ||
727 | |||
728 | /* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/ | ||
729 | if (MXB_BOARD_CAN_DO_VBI(dev)) { | ||
730 | if (saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) { | ||
731 | ERR(("cannot register vbi v4l2 device. skipping.\n")); | ||
732 | } | ||
733 | } | ||
734 | |||
735 | printk("mxb: found Multimedia eXtension Board #%d.\n", mxb_num); | ||
736 | |||
737 | mxb_num++; | ||
738 | mxb_init_done(dev); | ||
739 | return 0; | ||
740 | } | ||
741 | |||
742 | static int mxb_detach(struct saa7146_dev *dev) | ||
743 | { | ||
744 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
745 | |||
746 | DEB_EE(("dev:%p\n", dev)); | ||
747 | |||
748 | saa7146_unregister_device(&mxb->video_dev,dev); | ||
749 | if (MXB_BOARD_CAN_DO_VBI(dev)) | ||
750 | saa7146_unregister_device(&mxb->vbi_dev, dev); | ||
751 | saa7146_vv_release(dev); | ||
752 | |||
753 | mxb_num--; | ||
754 | |||
755 | i2c_del_adapter(&mxb->i2c_adapter); | ||
756 | kfree(mxb); | ||
757 | |||
758 | return 0; | ||
759 | } | ||
760 | |||
761 | static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard) | ||
762 | { | ||
763 | struct mxb *mxb = (struct mxb *)dev->ext_priv; | ||
764 | |||
765 | if (V4L2_STD_PAL_I == standard->id) { | ||
766 | v4l2_std_id std = V4L2_STD_PAL_I; | ||
767 | |||
768 | DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n")); | ||
769 | /* set the 7146 gpio register -- I don't know what this does exactly */ | ||
770 | saa7146_write(dev, GPIO_CTRL, 0x00404050); | ||
771 | /* unset the 7111 gpio register -- I don't know what this does exactly */ | ||
772 | saa7111a_call(mxb, core, s_gpio, 0); | ||
773 | tuner_call(mxb, core, s_std, std); | ||
774 | } else { | ||
775 | v4l2_std_id std = V4L2_STD_PAL_BG; | ||
776 | |||
777 | DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n")); | ||
778 | /* set the 7146 gpio register -- I don't know what this does exactly */ | ||
779 | saa7146_write(dev, GPIO_CTRL, 0x00404050); | ||
780 | /* set the 7111 gpio register -- I don't know what this does exactly */ | ||
781 | saa7111a_call(mxb, core, s_gpio, 1); | ||
782 | tuner_call(mxb, core, s_std, std); | ||
783 | } | ||
784 | return 0; | ||
785 | } | ||
786 | |||
787 | static struct saa7146_standard standard[] = { | ||
788 | { | ||
789 | .name = "PAL-BG", .id = V4L2_STD_PAL_BG, | ||
790 | .v_offset = 0x17, .v_field = 288, | ||
791 | .h_offset = 0x14, .h_pixels = 680, | ||
792 | .v_max_out = 576, .h_max_out = 768, | ||
793 | }, { | ||
794 | .name = "PAL-I", .id = V4L2_STD_PAL_I, | ||
795 | .v_offset = 0x17, .v_field = 288, | ||
796 | .h_offset = 0x14, .h_pixels = 680, | ||
797 | .v_max_out = 576, .h_max_out = 768, | ||
798 | }, { | ||
799 | .name = "NTSC", .id = V4L2_STD_NTSC, | ||
800 | .v_offset = 0x16, .v_field = 240, | ||
801 | .h_offset = 0x06, .h_pixels = 708, | ||
802 | .v_max_out = 480, .h_max_out = 640, | ||
803 | }, { | ||
804 | .name = "SECAM", .id = V4L2_STD_SECAM, | ||
805 | .v_offset = 0x14, .v_field = 288, | ||
806 | .h_offset = 0x14, .h_pixels = 720, | ||
807 | .v_max_out = 576, .h_max_out = 768, | ||
808 | } | ||
809 | }; | ||
810 | |||
811 | static struct saa7146_pci_extension_data mxb = { | ||
812 | .ext_priv = "Multimedia eXtension Board", | ||
813 | .ext = &extension, | ||
814 | }; | ||
815 | |||
816 | static struct pci_device_id pci_tbl[] = { | ||
817 | { | ||
818 | .vendor = PCI_VENDOR_ID_PHILIPS, | ||
819 | .device = PCI_DEVICE_ID_PHILIPS_SAA7146, | ||
820 | .subvendor = 0x0000, | ||
821 | .subdevice = 0x0000, | ||
822 | .driver_data = (unsigned long)&mxb, | ||
823 | }, { | ||
824 | .vendor = 0, | ||
825 | } | ||
826 | }; | ||
827 | |||
828 | MODULE_DEVICE_TABLE(pci, pci_tbl); | ||
829 | |||
830 | static struct saa7146_ext_vv vv_data = { | ||
831 | .inputs = MXB_INPUTS, | ||
832 | .capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE, | ||
833 | .stds = &standard[0], | ||
834 | .num_stds = sizeof(standard)/sizeof(struct saa7146_standard), | ||
835 | .std_callback = &std_callback, | ||
836 | }; | ||
837 | |||
838 | static struct saa7146_extension extension = { | ||
839 | .name = MXB_IDENTIFIER, | ||
840 | .flags = SAA7146_USE_I2C_IRQ, | ||
841 | |||
842 | .pci_tbl = &pci_tbl[0], | ||
843 | .module = THIS_MODULE, | ||
844 | |||
845 | .attach = mxb_attach, | ||
846 | .detach = mxb_detach, | ||
847 | |||
848 | .irq_mask = 0, | ||
849 | .irq_func = NULL, | ||
850 | }; | ||
851 | |||
852 | static int __init mxb_init_module(void) | ||
853 | { | ||
854 | if (saa7146_register_extension(&extension)) { | ||
855 | DEB_S(("failed to register extension.\n")); | ||
856 | return -ENODEV; | ||
857 | } | ||
858 | |||
859 | return 0; | ||
860 | } | ||
861 | |||
862 | static void __exit mxb_cleanup_module(void) | ||
863 | { | ||
864 | saa7146_unregister_extension(&extension); | ||
865 | } | ||
866 | |||
867 | module_init(mxb_init_module); | ||
868 | module_exit(mxb_cleanup_module); | ||
869 | |||
870 | MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'"); | ||
871 | MODULE_AUTHOR("Michael Hunold <michael@mihu.de>"); | ||
872 | MODULE_LICENSE("GPL"); | ||