c6eb8eafdb
Fixed a lot of sparse warnings: mostly warnings about shadowed variables and signed/unsigned mismatches. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
1050 lines
30 KiB
C
1050 lines
30 KiB
C
/*
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mxb - v4l2 driver for the Multimedia eXtension Board
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Copyright (C) 1998-2006 Michael Hunold <michael@mihu.de>
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Visit http://www.mihu.de/linux/saa7146/mxb/
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for further details about this card.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define DEBUG_VARIABLE debug
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#include <media/saa7146_vv.h>
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#include <media/tuner.h>
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#include <linux/video_decoder.h>
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#include <media/v4l2-common.h>
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#include "mxb.h"
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#include "tea6415c.h"
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#include "tea6420.h"
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#include "tda9840.h"
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#define I2C_SAA7111 0x24
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#define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)
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/* global variable */
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static int mxb_num;
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/* initial frequence the tuner will be tuned to.
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in verden (lower saxony, germany) 4148 is a
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channel called "phoenix" */
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static int freq = 4148;
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module_param(freq, int, 0644);
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MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");
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static int debug;
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module_param(debug, int, 0644);
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MODULE_PARM_DESC(debug, "Turn on/off device debugging (default:off).");
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#define MXB_INPUTS 4
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enum { TUNER, AUX1, AUX3, AUX3_YC };
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static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
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{ TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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{ AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
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};
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/* this array holds the information, which port of the saa7146 each
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input actually uses. the mxb uses port 0 for every input */
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static struct {
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int hps_source;
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int hps_sync;
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} input_port_selection[MXB_INPUTS] = {
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{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
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{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
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{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
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{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
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};
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/* this array holds the information of the audio source (mxb_audios),
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which has to be switched corresponding to the video source (mxb_channels) */
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static int video_audio_connect[MXB_INPUTS] =
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{ 0, 1, 3, 3 };
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/* these are the necessary input-output-pins for bringing one audio source
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(see above) to the CD-output */
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static struct tea6420_multiplex TEA6420_cd[MXB_AUDIOS+1][2] =
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{
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{{1,1,0},{1,1,0}}, /* Tuner */
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{{5,1,0},{6,1,0}}, /* AUX 1 */
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{{4,1,0},{6,1,0}}, /* AUX 2 */
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{{3,1,0},{6,1,0}}, /* AUX 3 */
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{{1,1,0},{3,1,0}}, /* Radio */
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{{1,1,0},{2,1,0}}, /* CD-Rom */
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{{6,1,0},{6,1,0}} /* Mute */
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};
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/* these are the necessary input-output-pins for bringing one audio source
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(see above) to the line-output */
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static struct tea6420_multiplex TEA6420_line[MXB_AUDIOS+1][2] =
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{
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{{2,3,0},{1,2,0}},
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{{5,3,0},{6,2,0}},
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{{4,3,0},{6,2,0}},
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{{3,3,0},{6,2,0}},
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{{2,3,0},{3,2,0}},
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{{2,3,0},{2,2,0}},
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{{6,3,0},{6,2,0}} /* Mute */
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};
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#define MAXCONTROLS 1
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static struct v4l2_queryctrl mxb_controls[] = {
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{ V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
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};
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static struct saa7146_extension_ioctls ioctls[] = {
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{ VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE },
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{ VIDIOC_G_INPUT, SAA7146_EXCLUSIVE },
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{ VIDIOC_S_INPUT, SAA7146_EXCLUSIVE },
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{ VIDIOC_QUERYCTRL, SAA7146_BEFORE },
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{ VIDIOC_G_CTRL, SAA7146_BEFORE },
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{ VIDIOC_S_CTRL, SAA7146_BEFORE },
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{ VIDIOC_G_TUNER, SAA7146_EXCLUSIVE },
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{ VIDIOC_S_TUNER, SAA7146_EXCLUSIVE },
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{ VIDIOC_G_FREQUENCY, SAA7146_EXCLUSIVE },
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{ VIDIOC_S_FREQUENCY, SAA7146_EXCLUSIVE },
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{ VIDIOC_G_AUDIO, SAA7146_EXCLUSIVE },
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{ VIDIOC_S_AUDIO, SAA7146_EXCLUSIVE },
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{ MXB_S_AUDIO_CD, SAA7146_EXCLUSIVE }, /* custom control */
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{ MXB_S_AUDIO_LINE, SAA7146_EXCLUSIVE }, /* custom control */
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{ 0, 0 }
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};
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struct mxb
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{
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struct video_device *video_dev;
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struct video_device *vbi_dev;
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struct i2c_adapter i2c_adapter;
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struct i2c_client* saa7111a;
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struct i2c_client* tda9840;
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struct i2c_client* tea6415c;
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struct i2c_client* tuner;
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struct i2c_client* tea6420_1;
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struct i2c_client* tea6420_2;
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int cur_mode; /* current audio mode (mono, stereo, ...) */
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int cur_input; /* current input */
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int cur_mute; /* current mute status */
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struct v4l2_frequency cur_freq; /* current frequency the tuner is tuned to */
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};
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static struct saa7146_extension extension;
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static int mxb_check_clients(struct device *dev, void *data)
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{
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struct mxb* mxb = data;
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struct i2c_client *client = i2c_verify_client(dev);
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if( !client )
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return 0;
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if( I2C_ADDR_TEA6420_1 == client->addr )
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mxb->tea6420_1 = client;
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if( I2C_ADDR_TEA6420_2 == client->addr )
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mxb->tea6420_2 = client;
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if( I2C_TEA6415C_2 == client->addr )
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mxb->tea6415c = client;
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if( I2C_ADDR_TDA9840 == client->addr )
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mxb->tda9840 = client;
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if( I2C_SAA7111 == client->addr )
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mxb->saa7111a = client;
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if( 0x60 == client->addr )
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mxb->tuner = client;
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return 0;
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}
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static int mxb_probe(struct saa7146_dev* dev)
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{
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struct mxb* mxb = NULL;
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int result;
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if ((result = request_module("saa7111")) < 0) {
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printk("mxb: saa7111 i2c module not available.\n");
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return -ENODEV;
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}
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if ((result = request_module("tea6420")) < 0) {
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printk("mxb: tea6420 i2c module not available.\n");
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return -ENODEV;
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}
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if ((result = request_module("tea6415c")) < 0) {
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printk("mxb: tea6415c i2c module not available.\n");
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return -ENODEV;
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}
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if ((result = request_module("tda9840")) < 0) {
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printk("mxb: tda9840 i2c module not available.\n");
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return -ENODEV;
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}
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if ((result = request_module("tuner")) < 0) {
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printk("mxb: tuner i2c module not available.\n");
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return -ENODEV;
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}
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mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
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if( NULL == mxb ) {
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DEB_D(("not enough kernel memory.\n"));
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return -ENOMEM;
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}
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mxb->i2c_adapter = (struct i2c_adapter) {
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.class = I2C_CLASS_TV_ANALOG,
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.name = "mxb",
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};
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saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
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if(i2c_add_adapter(&mxb->i2c_adapter) < 0) {
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DEB_S(("cannot register i2c-device. skipping.\n"));
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kfree(mxb);
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return -EFAULT;
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}
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/* loop through all i2c-devices on the bus and look who is there */
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device_for_each_child(&mxb->i2c_adapter.dev, mxb, mxb_check_clients);
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/* check if all devices are present */
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if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
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!mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
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printk("mxb: did not find all i2c devices. aborting\n");
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i2c_del_adapter(&mxb->i2c_adapter);
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kfree(mxb);
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return -ENODEV;
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}
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/* all devices are present, probe was successful */
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/* we store the pointer in our private data field */
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dev->ext_priv = mxb;
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return 0;
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}
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/* some init data for the saa7740, the so-called 'sound arena module'.
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there are no specs available, so we simply use some init values */
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static struct {
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int length;
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char data[9];
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} mxb_saa7740_init[] = {
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{ 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
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{ 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
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{ 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
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{ 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
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{ 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
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{ 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
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{ 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
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{ 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
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{ 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
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{ 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
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{ 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
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{ 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
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{ 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
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{ 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
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{ 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
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{ 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
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{ 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
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{ 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
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{ 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
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{ 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
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{ 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
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{ 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
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{ 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
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{ 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
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{ 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
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{ 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
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{ 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
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{ 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
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{ 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
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{ 3, { 0x48, 0x00, 0x01 } },
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{ 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
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{ 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
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{ 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
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{ 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
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{ 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
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{ 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
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{ 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
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{ 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
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{ 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
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{ 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
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{ 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
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{ 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
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{ 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
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{ 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
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{ 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
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{ 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
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{ 3, { 0x80, 0xb3, 0x0a } },
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{-1, { 0} }
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};
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static const unsigned char mxb_saa7111_init[] = {
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0x00, 0x00, /* 00 - ID byte */
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0x01, 0x00, /* 01 - reserved */
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/*front end */
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0x02, 0xd8, /* 02 - FUSE=x, GUDL=x, MODE=x */
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0x03, 0x23, /* 03 - HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */
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0x04, 0x00, /* 04 - GAI1=256 */
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0x05, 0x00, /* 05 - GAI2=256 */
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/* decoder */
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0x06, 0xf0, /* 06 - HSB at xx(50Hz) / xx(60Hz) pixels after end of last line */
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0x07, 0x30, /* 07 - HSS at xx(50Hz) / xx(60Hz) pixels after end of last line */
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0x08, 0xa8, /* 08 - AUFD=x, FSEL=x, EXFIL=x, VTRC=x, HPLL=x, VNOI=x */
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0x09, 0x02, /* 09 - BYPS=x, PREF=x, BPSS=x, VBLB=x, UPTCV=x, APER=x */
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0x0a, 0x80, /* 0a - BRIG=128 */
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0x0b, 0x47, /* 0b - CONT=1.109 */
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0x0c, 0x40, /* 0c - SATN=1.0 */
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0x0d, 0x00, /* 0d - HUE=0 */
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0x0e, 0x01, /* 0e - CDTO=0, CSTD=0, DCCF=0, FCTC=0, CHBW=1 */
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0x0f, 0x00, /* 0f - reserved */
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0x10, 0xd0, /* 10 - OFTS=x, HDEL=x, VRLN=x, YDEL=x */
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0x11, 0x8c, /* 11 - GPSW=x, CM99=x, FECO=x, COMPO=x, OEYC=1, OEHV=1, VIPB=0, COLO=0 */
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0x12, 0x80, /* 12 - xx output control 2 */
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0x13, 0x30, /* 13 - xx output control 3 */
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0x14, 0x00, /* 14 - reserved */
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0x15, 0x15, /* 15 - VBI */
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0x16, 0x04, /* 16 - VBI */
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0x17, 0x00, /* 17 - VBI */
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};
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/* bring hardware to a sane state. this has to be done, just in case someone
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wants to capture from this device before it has been properly initialized.
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the capture engine would badly fail, because no valid signal arrives on the
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saa7146, thus leading to timeouts and stuff. */
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static int mxb_init_done(struct saa7146_dev* dev)
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{
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struct mxb* mxb = (struct mxb*)dev->ext_priv;
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struct video_decoder_init init;
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struct i2c_msg msg;
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struct tuner_setup tun_setup;
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v4l2_std_id std = V4L2_STD_PAL_BG;
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int i = 0, err = 0;
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struct tea6415c_multiplex vm;
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/* select video mode in saa7111a */
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i = VIDEO_MODE_PAL;
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/* fixme: currently pointless: gets overwritten by configuration below */
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mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i);
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/* write configuration to saa7111a */
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init.data = mxb_saa7111_init;
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init.len = sizeof(mxb_saa7111_init);
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mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_INIT, &init);
|
|
|
|
/* select tuner-output on saa7111a */
|
|
i = 0;
|
|
mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i);
|
|
|
|
/* enable vbi bypass */
|
|
i = 1;
|
|
mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_VBI_BYPASS, &i);
|
|
|
|
/* select a tuner type */
|
|
tun_setup.mode_mask = T_ANALOG_TV;
|
|
tun_setup.addr = ADDR_UNSET;
|
|
tun_setup.type = TUNER_PHILIPS_PAL;
|
|
mxb->tuner->driver->command(mxb->tuner,TUNER_SET_TYPE_ADDR, &tun_setup);
|
|
/* tune in some frequency on tuner */
|
|
mxb->cur_freq.tuner = 0;
|
|
mxb->cur_freq.type = V4L2_TUNER_ANALOG_TV;
|
|
mxb->cur_freq.frequency = freq;
|
|
mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY,
|
|
&mxb->cur_freq);
|
|
|
|
/* set a default video standard */
|
|
mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
|
|
|
|
/* mute audio on tea6420s */
|
|
mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
|
|
mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
|
|
mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[6][0]);
|
|
mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[6][1]);
|
|
|
|
/* switch to tuner-channel on tea6415c*/
|
|
vm.out = 17;
|
|
vm.in = 3;
|
|
mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
|
|
|
|
/* select tuner-output on multicable on tea6415c*/
|
|
vm.in = 3;
|
|
vm.out = 13;
|
|
mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm);
|
|
|
|
/* the rest for mxb */
|
|
mxb->cur_input = 0;
|
|
mxb->cur_mute = 1;
|
|
|
|
mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
|
|
mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &mxb->cur_mode);
|
|
|
|
/* check if the saa7740 (aka 'sound arena module') is present
|
|
on the mxb. if so, we must initialize it. due to lack of
|
|
informations about the saa7740, the values were reverse
|
|
engineered. */
|
|
msg.addr = 0x1b;
|
|
msg.flags = 0;
|
|
msg.len = mxb_saa7740_init[0].length;
|
|
msg.buf = &mxb_saa7740_init[0].data[0];
|
|
|
|
if( 1 == (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
|
|
/* the sound arena module is a pos, that's probably the reason
|
|
philips refuses to hand out a datasheet for the saa7740...
|
|
it seems to screw up the i2c bus, so we disable fast irq
|
|
based i2c transactions here and rely on the slow and safe
|
|
polling method ... */
|
|
extension.flags &= ~SAA7146_USE_I2C_IRQ;
|
|
for(i = 1;;i++) {
|
|
if( -1 == mxb_saa7740_init[i].length ) {
|
|
break;
|
|
}
|
|
|
|
msg.len = mxb_saa7740_init[i].length;
|
|
msg.buf = &mxb_saa7740_init[i].data[0];
|
|
if( 1 != (err = i2c_transfer(&mxb->i2c_adapter, &msg, 1))) {
|
|
DEB_D(("failed to initialize 'sound arena module'.\n"));
|
|
goto err;
|
|
}
|
|
}
|
|
INFO(("'sound arena module' detected.\n"));
|
|
}
|
|
err:
|
|
/* the rest for saa7146: you should definitely set some basic values
|
|
for the input-port handling of the saa7146. */
|
|
|
|
/* ext->saa has been filled by the core driver */
|
|
|
|
/* some stuff is done via variables */
|
|
saa7146_set_hps_source_and_sync(dev, input_port_selection[mxb->cur_input].hps_source, input_port_selection[mxb->cur_input].hps_sync);
|
|
|
|
/* some stuff is done via direct write to the registers */
|
|
|
|
/* this is ugly, but because of the fact that this is completely
|
|
hardware dependend, it should be done directly... */
|
|
saa7146_write(dev, DD1_STREAM_B, 0x00000000);
|
|
saa7146_write(dev, DD1_INIT, 0x02000200);
|
|
saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26));
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* interrupt-handler. this gets called when irq_mask is != 0.
|
|
it must clear the interrupt-bits in irq_mask it has handled */
|
|
/*
|
|
void mxb_irq_bh(struct saa7146_dev* dev, u32* irq_mask)
|
|
{
|
|
struct mxb* mxb = (struct mxb*)dev->ext_priv;
|
|
}
|
|
*/
|
|
|
|
static struct saa7146_ext_vv vv_data;
|
|
|
|
/* this function only gets called when the probing was successful */
|
|
static int mxb_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
|
|
{
|
|
struct mxb* mxb = (struct mxb*)dev->ext_priv;
|
|
|
|
DEB_EE(("dev:%p\n",dev));
|
|
|
|
/* checking for i2c-devices can be omitted here, because we
|
|
already did this in "mxb_vl42_probe" */
|
|
|
|
saa7146_vv_init(dev,&vv_data);
|
|
if( 0 != saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
|
|
ERR(("cannot register capture v4l2 device. skipping.\n"));
|
|
return -1;
|
|
}
|
|
|
|
/* initialization stuff (vbi) (only for revision > 0 and for extensions which want it)*/
|
|
if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
|
|
if( 0 != saa7146_register_device(&mxb->vbi_dev, dev, "mxb", VFL_TYPE_VBI)) {
|
|
ERR(("cannot register vbi v4l2 device. skipping.\n"));
|
|
}
|
|
}
|
|
|
|
i2c_use_client(mxb->tea6420_1);
|
|
i2c_use_client(mxb->tea6420_2);
|
|
i2c_use_client(mxb->tea6415c);
|
|
i2c_use_client(mxb->tda9840);
|
|
i2c_use_client(mxb->saa7111a);
|
|
i2c_use_client(mxb->tuner);
|
|
|
|
printk("mxb: found 'Multimedia eXtension Board'-%d.\n",mxb_num);
|
|
|
|
mxb_num++;
|
|
mxb_init_done(dev);
|
|
return 0;
|
|
}
|
|
|
|
static int mxb_detach(struct saa7146_dev* dev)
|
|
{
|
|
struct mxb* mxb = (struct mxb*)dev->ext_priv;
|
|
|
|
DEB_EE(("dev:%p\n",dev));
|
|
|
|
i2c_release_client(mxb->tea6420_1);
|
|
i2c_release_client(mxb->tea6420_2);
|
|
i2c_release_client(mxb->tea6415c);
|
|
i2c_release_client(mxb->tda9840);
|
|
i2c_release_client(mxb->saa7111a);
|
|
i2c_release_client(mxb->tuner);
|
|
|
|
saa7146_unregister_device(&mxb->video_dev,dev);
|
|
if( 0 != MXB_BOARD_CAN_DO_VBI(dev)) {
|
|
saa7146_unregister_device(&mxb->vbi_dev,dev);
|
|
}
|
|
saa7146_vv_release(dev);
|
|
|
|
mxb_num--;
|
|
|
|
i2c_del_adapter(&mxb->i2c_adapter);
|
|
kfree(mxb);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int mxb_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
|
|
{
|
|
struct saa7146_dev *dev = fh->dev;
|
|
struct mxb* mxb = (struct mxb*)dev->ext_priv;
|
|
struct saa7146_vv *vv = dev->vv_data;
|
|
|
|
switch(cmd) {
|
|
case VIDIOC_ENUMINPUT:
|
|
{
|
|
struct v4l2_input *i = arg;
|
|
|
|
DEB_EE(("VIDIOC_ENUMINPUT %d.\n",i->index));
|
|
if( i->index < 0 || i->index >= MXB_INPUTS) {
|
|
return -EINVAL;
|
|
}
|
|
memcpy(i, &mxb_inputs[i->index], sizeof(struct v4l2_input));
|
|
|
|
return 0;
|
|
}
|
|
/* the saa7146 provides some controls (brightness, contrast, saturation)
|
|
which gets registered *after* this function. because of this we have
|
|
to return with a value != 0 even if the function succeded.. */
|
|
case VIDIOC_QUERYCTRL:
|
|
{
|
|
struct v4l2_queryctrl *qc = arg;
|
|
int i;
|
|
|
|
for (i = MAXCONTROLS - 1; i >= 0; i--) {
|
|
if (mxb_controls[i].id == qc->id) {
|
|
*qc = mxb_controls[i];
|
|
DEB_D(("VIDIOC_QUERYCTRL %d.\n",qc->id));
|
|
return 0;
|
|
}
|
|
}
|
|
return -EAGAIN;
|
|
}
|
|
case VIDIOC_G_CTRL:
|
|
{
|
|
struct v4l2_control *vc = arg;
|
|
int i;
|
|
|
|
for (i = MAXCONTROLS - 1; i >= 0; i--) {
|
|
if (mxb_controls[i].id == vc->id) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( i < 0 ) {
|
|
return -EAGAIN;
|
|
}
|
|
|
|
switch (vc->id ) {
|
|
case V4L2_CID_AUDIO_MUTE: {
|
|
vc->value = mxb->cur_mute;
|
|
DEB_D(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
DEB_EE(("VIDIOC_G_CTRL V4L2_CID_AUDIO_MUTE:%d.\n",vc->value));
|
|
return 0;
|
|
}
|
|
|
|
case VIDIOC_S_CTRL:
|
|
{
|
|
struct v4l2_control *vc = arg;
|
|
int i = 0;
|
|
|
|
for (i = MAXCONTROLS - 1; i >= 0; i--) {
|
|
if (mxb_controls[i].id == vc->id) {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( i < 0 ) {
|
|
return -EAGAIN;
|
|
}
|
|
|
|
switch (vc->id ) {
|
|
case V4L2_CID_AUDIO_MUTE: {
|
|
mxb->cur_mute = vc->value;
|
|
if( 0 == vc->value ) {
|
|
/* switch the audio-source */
|
|
mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][0]);
|
|
mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[mxb->cur_input]][1]);
|
|
} else {
|
|
mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[6][0]);
|
|
mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[6][1]);
|
|
}
|
|
DEB_EE(("VIDIOC_S_CTRL, V4L2_CID_AUDIO_MUTE: %d.\n",vc->value));
|
|
break;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
case VIDIOC_G_INPUT:
|
|
{
|
|
int *input = (int *)arg;
|
|
*input = mxb->cur_input;
|
|
|
|
DEB_EE(("VIDIOC_G_INPUT %d.\n",*input));
|
|
return 0;
|
|
}
|
|
case VIDIOC_S_INPUT:
|
|
{
|
|
int input = *(int *)arg;
|
|
struct tea6415c_multiplex vm;
|
|
int i = 0;
|
|
|
|
DEB_EE(("VIDIOC_S_INPUT %d.\n",input));
|
|
|
|
if (input < 0 || input >= MXB_INPUTS) {
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* fixme: locke das setzen des inputs mit hilfe des mutexes
|
|
mutex_lock(&dev->lock);
|
|
video_mux(dev,*i);
|
|
mutex_unlock(&dev->lock);
|
|
*/
|
|
|
|
/* fixme: check if streaming capture
|
|
if ( 0 != dev->streaming ) {
|
|
DEB_D(("VIDIOC_S_INPUT illegal while streaming.\n"));
|
|
return -EPERM;
|
|
}
|
|
*/
|
|
|
|
mxb->cur_input = input;
|
|
|
|
saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
|
|
|
|
/* prepare switching of tea6415c and saa7111a;
|
|
have a look at the 'background'-file for further informations */
|
|
switch( input ) {
|
|
|
|
case TUNER:
|
|
{
|
|
i = 0;
|
|
vm.in = 3;
|
|
vm.out = 17;
|
|
|
|
if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
|
|
printk("VIDIOC_S_INPUT: could not address tea6415c #1\n");
|
|
return -EFAULT;
|
|
}
|
|
/* connect tuner-output always to multicable */
|
|
vm.in = 3;
|
|
vm.out = 13;
|
|
break;
|
|
}
|
|
case AUX3_YC:
|
|
{
|
|
/* nothing to be done here. aux3_yc is
|
|
directly connected to the saa711a */
|
|
i = 5;
|
|
break;
|
|
}
|
|
case AUX3:
|
|
{
|
|
/* nothing to be done here. aux3 is
|
|
directly connected to the saa711a */
|
|
i = 1;
|
|
break;
|
|
}
|
|
case AUX1:
|
|
{
|
|
i = 0;
|
|
vm.in = 1;
|
|
vm.out = 17;
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* switch video in tea6415c only if necessary */
|
|
switch( input ) {
|
|
case TUNER:
|
|
case AUX1:
|
|
{
|
|
if ( 0 != mxb->tea6415c->driver->command(mxb->tea6415c,TEA6415C_SWITCH, &vm)) {
|
|
printk("VIDIOC_S_INPUT: could not address tea6415c #3\n");
|
|
return -EFAULT;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* switch video in saa7111a */
|
|
if ( 0 != mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i)) {
|
|
printk("VIDIOC_S_INPUT: could not address saa7111a #1.\n");
|
|
}
|
|
|
|
/* switch the audio-source only if necessary */
|
|
if( 0 == mxb->cur_mute ) {
|
|
mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][0]);
|
|
mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[video_audio_connect[input]][1]);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
case VIDIOC_G_TUNER:
|
|
{
|
|
struct v4l2_tuner *t = arg;
|
|
int byte = 0;
|
|
|
|
if( 0 != t->index ) {
|
|
DEB_D(("VIDIOC_G_TUNER: channel %d does not have a tuner attached.\n", t->index));
|
|
return -EINVAL;
|
|
}
|
|
|
|
DEB_EE(("VIDIOC_G_TUNER: %d\n", t->index));
|
|
|
|
memset(t,0,sizeof(*t));
|
|
strcpy(t->name, "Television");
|
|
|
|
t->type = V4L2_TUNER_ANALOG_TV;
|
|
t->capability = V4L2_TUNER_CAP_NORM | V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 | V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
|
|
t->rangelow = 772; /* 48.25 MHZ / 62.5 kHz = 772, see fi1216mk2-specs, page 2 */
|
|
t->rangehigh = 13684; /* 855.25 MHz / 62.5 kHz = 13684 */
|
|
/* FIXME: add the real signal strength here */
|
|
t->signal = 0xffff;
|
|
t->afc = 0;
|
|
|
|
mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, &byte);
|
|
t->audmode = mxb->cur_mode;
|
|
|
|
if( byte < 0 ) {
|
|
t->rxsubchans = V4L2_TUNER_SUB_MONO;
|
|
} else {
|
|
switch(byte) {
|
|
case TDA9840_MONO_DETECT: {
|
|
t->rxsubchans = V4L2_TUNER_SUB_MONO;
|
|
DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_MONO.\n"));
|
|
break;
|
|
}
|
|
case TDA9840_DUAL_DETECT: {
|
|
t->rxsubchans = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
|
|
DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_LANG1.\n"));
|
|
break;
|
|
}
|
|
case TDA9840_STEREO_DETECT: {
|
|
t->rxsubchans = V4L2_TUNER_SUB_STEREO | V4L2_TUNER_SUB_MONO;
|
|
DEB_D(("VIDIOC_G_TUNER: V4L2_TUNER_MODE_STEREO.\n"));
|
|
break;
|
|
}
|
|
default: { /* TDA9840_INCORRECT_DETECT */
|
|
t->rxsubchans = V4L2_TUNER_MODE_MONO;
|
|
DEB_D(("VIDIOC_G_TUNER: TDA9840_INCORRECT_DETECT => V4L2_TUNER_MODE_MONO\n"));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
case VIDIOC_S_TUNER:
|
|
{
|
|
struct v4l2_tuner *t = arg;
|
|
int result = 0;
|
|
int byte = 0;
|
|
|
|
if( 0 != t->index ) {
|
|
DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch(t->audmode) {
|
|
case V4L2_TUNER_MODE_STEREO: {
|
|
mxb->cur_mode = V4L2_TUNER_MODE_STEREO;
|
|
byte = TDA9840_SET_STEREO;
|
|
DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_STEREO\n"));
|
|
break;
|
|
}
|
|
case V4L2_TUNER_MODE_LANG1_LANG2: {
|
|
mxb->cur_mode = V4L2_TUNER_MODE_LANG1_LANG2;
|
|
byte = TDA9840_SET_BOTH;
|
|
DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1_LANG2\n"));
|
|
break;
|
|
}
|
|
case V4L2_TUNER_MODE_LANG1: {
|
|
mxb->cur_mode = V4L2_TUNER_MODE_LANG1;
|
|
byte = TDA9840_SET_LANG1;
|
|
DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG1\n"));
|
|
break;
|
|
}
|
|
case V4L2_TUNER_MODE_LANG2: {
|
|
mxb->cur_mode = V4L2_TUNER_MODE_LANG2;
|
|
byte = TDA9840_SET_LANG2;
|
|
DEB_D(("VIDIOC_S_TUNER: V4L2_TUNER_MODE_LANG2\n"));
|
|
break;
|
|
}
|
|
default: { /* case V4L2_TUNER_MODE_MONO: {*/
|
|
mxb->cur_mode = V4L2_TUNER_MODE_MONO;
|
|
byte = TDA9840_SET_MONO;
|
|
DEB_D(("VIDIOC_S_TUNER: TDA9840_SET_MONO\n"));
|
|
break;
|
|
}
|
|
}
|
|
|
|
if( 0 != (result = mxb->tda9840->driver->command(mxb->tda9840, TDA9840_SWITCH, &byte))) {
|
|
printk("VIDIOC_S_TUNER error. result:%d, byte:%d\n",result,byte);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
case VIDIOC_G_FREQUENCY:
|
|
{
|
|
struct v4l2_frequency *f = arg;
|
|
|
|
if(0 != mxb->cur_input) {
|
|
DEB_D(("VIDIOC_G_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
|
|
return -EINVAL;
|
|
}
|
|
|
|
*f = mxb->cur_freq;
|
|
|
|
DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq.frequency));
|
|
return 0;
|
|
}
|
|
case VIDIOC_S_FREQUENCY:
|
|
{
|
|
struct v4l2_frequency *f = arg;
|
|
|
|
if (0 != f->tuner)
|
|
return -EINVAL;
|
|
|
|
if (V4L2_TUNER_ANALOG_TV != f->type)
|
|
return -EINVAL;
|
|
|
|
if(0 != mxb->cur_input) {
|
|
DEB_D(("VIDIOC_S_FREQ: channel %d does not have a tuner!\n",mxb->cur_input));
|
|
return -EINVAL;
|
|
}
|
|
|
|
mxb->cur_freq = *f;
|
|
DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n", mxb->cur_freq.frequency));
|
|
|
|
/* tune in desired frequency */
|
|
mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_FREQUENCY, &mxb->cur_freq);
|
|
|
|
/* hack: changing the frequency should invalidate the vbi-counter (=> alevt) */
|
|
spin_lock(&dev->slock);
|
|
vv->vbi_fieldcount = 0;
|
|
spin_unlock(&dev->slock);
|
|
|
|
return 0;
|
|
}
|
|
case MXB_S_AUDIO_CD:
|
|
{
|
|
int i = *(int*)arg;
|
|
|
|
if( i < 0 || i >= MXB_AUDIOS ) {
|
|
DEB_D(("illegal argument to MXB_S_AUDIO_CD: i:%d.\n",i));
|
|
return -EINVAL;
|
|
}
|
|
|
|
DEB_EE(("MXB_S_AUDIO_CD: i:%d.\n",i));
|
|
|
|
mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_cd[i][0]);
|
|
mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_cd[i][1]);
|
|
|
|
return 0;
|
|
}
|
|
case MXB_S_AUDIO_LINE:
|
|
{
|
|
int i = *(int*)arg;
|
|
|
|
if( i < 0 || i >= MXB_AUDIOS ) {
|
|
DEB_D(("illegal argument to MXB_S_AUDIO_LINE: i:%d.\n",i));
|
|
return -EINVAL;
|
|
}
|
|
|
|
DEB_EE(("MXB_S_AUDIO_LINE: i:%d.\n",i));
|
|
mxb->tea6420_1->driver->command(mxb->tea6420_1,TEA6420_SWITCH, &TEA6420_line[i][0]);
|
|
mxb->tea6420_2->driver->command(mxb->tea6420_2,TEA6420_SWITCH, &TEA6420_line[i][1]);
|
|
|
|
return 0;
|
|
}
|
|
case VIDIOC_G_AUDIO:
|
|
{
|
|
struct v4l2_audio *a = arg;
|
|
|
|
if( a->index < 0 || a->index > MXB_INPUTS ) {
|
|
DEB_D(("VIDIOC_G_AUDIO %d out of range.\n",a->index));
|
|
return -EINVAL;
|
|
}
|
|
|
|
DEB_EE(("VIDIOC_G_AUDIO %d.\n",a->index));
|
|
memcpy(a, &mxb_audios[video_audio_connect[mxb->cur_input]], sizeof(struct v4l2_audio));
|
|
|
|
return 0;
|
|
}
|
|
case VIDIOC_S_AUDIO:
|
|
{
|
|
struct v4l2_audio *a = arg;
|
|
DEB_D(("VIDIOC_S_AUDIO %d.\n",a->index));
|
|
return 0;
|
|
}
|
|
default:
|
|
/*
|
|
DEB2(printk("does not handle this ioctl.\n"));
|
|
*/
|
|
return -ENOIOCTLCMD;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int std_callback(struct saa7146_dev *dev, struct saa7146_standard *standard)
|
|
{
|
|
struct mxb *mxb = (struct mxb *)dev->ext_priv;
|
|
int zero = 0;
|
|
int one = 1;
|
|
|
|
if (V4L2_STD_PAL_I == standard->id) {
|
|
v4l2_std_id std = V4L2_STD_PAL_I;
|
|
|
|
DEB_D(("VIDIOC_S_STD: setting mxb for PAL_I.\n"));
|
|
/* set the 7146 gpio register -- I don't know what this does exactly */
|
|
saa7146_write(dev, GPIO_CTRL, 0x00404050);
|
|
/* unset the 7111 gpio register -- I don't know what this does exactly */
|
|
mxb->saa7111a->driver->command(mxb->saa7111a, DECODER_SET_GPIO, &zero);
|
|
mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
|
|
} else {
|
|
v4l2_std_id std = V4L2_STD_PAL_BG;
|
|
|
|
DEB_D(("VIDIOC_S_STD: setting mxb for PAL/NTSC/SECAM.\n"));
|
|
/* set the 7146 gpio register -- I don't know what this does exactly */
|
|
saa7146_write(dev, GPIO_CTRL, 0x00404050);
|
|
/* set the 7111 gpio register -- I don't know what this does exactly */
|
|
mxb->saa7111a->driver->command(mxb->saa7111a, DECODER_SET_GPIO, &one);
|
|
mxb->tuner->driver->command(mxb->tuner, VIDIOC_S_STD, &std);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct saa7146_standard standard[] = {
|
|
{
|
|
.name = "PAL-BG", .id = V4L2_STD_PAL_BG,
|
|
.v_offset = 0x17, .v_field = 288,
|
|
.h_offset = 0x14, .h_pixels = 680,
|
|
.v_max_out = 576, .h_max_out = 768,
|
|
}, {
|
|
.name = "PAL-I", .id = V4L2_STD_PAL_I,
|
|
.v_offset = 0x17, .v_field = 288,
|
|
.h_offset = 0x14, .h_pixels = 680,
|
|
.v_max_out = 576, .h_max_out = 768,
|
|
}, {
|
|
.name = "NTSC", .id = V4L2_STD_NTSC,
|
|
.v_offset = 0x16, .v_field = 240,
|
|
.h_offset = 0x06, .h_pixels = 708,
|
|
.v_max_out = 480, .h_max_out = 640,
|
|
}, {
|
|
.name = "SECAM", .id = V4L2_STD_SECAM,
|
|
.v_offset = 0x14, .v_field = 288,
|
|
.h_offset = 0x14, .h_pixels = 720,
|
|
.v_max_out = 576, .h_max_out = 768,
|
|
}
|
|
};
|
|
|
|
static struct saa7146_pci_extension_data mxb = {
|
|
.ext_priv = "Multimedia eXtension Board",
|
|
.ext = &extension,
|
|
};
|
|
|
|
static struct pci_device_id pci_tbl[] = {
|
|
{
|
|
.vendor = PCI_VENDOR_ID_PHILIPS,
|
|
.device = PCI_DEVICE_ID_PHILIPS_SAA7146,
|
|
.subvendor = 0x0000,
|
|
.subdevice = 0x0000,
|
|
.driver_data = (unsigned long)&mxb,
|
|
}, {
|
|
.vendor = 0,
|
|
}
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(pci, pci_tbl);
|
|
|
|
static struct saa7146_ext_vv vv_data = {
|
|
.inputs = MXB_INPUTS,
|
|
.capabilities = V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE,
|
|
.stds = &standard[0],
|
|
.num_stds = sizeof(standard)/sizeof(struct saa7146_standard),
|
|
.std_callback = &std_callback,
|
|
.ioctls = &ioctls[0],
|
|
.ioctl = mxb_ioctl,
|
|
};
|
|
|
|
static struct saa7146_extension extension = {
|
|
.name = MXB_IDENTIFIER,
|
|
.flags = SAA7146_USE_I2C_IRQ,
|
|
|
|
.pci_tbl = &pci_tbl[0],
|
|
.module = THIS_MODULE,
|
|
|
|
.probe = mxb_probe,
|
|
.attach = mxb_attach,
|
|
.detach = mxb_detach,
|
|
|
|
.irq_mask = 0,
|
|
.irq_func = NULL,
|
|
};
|
|
|
|
static int __init mxb_init_module(void)
|
|
{
|
|
if( 0 != saa7146_register_extension(&extension)) {
|
|
DEB_S(("failed to register extension.\n"));
|
|
return -ENODEV;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit mxb_cleanup_module(void)
|
|
{
|
|
saa7146_unregister_extension(&extension);
|
|
}
|
|
|
|
module_init(mxb_init_module);
|
|
module_exit(mxb_cleanup_module);
|
|
|
|
MODULE_DESCRIPTION("video4linux-2 driver for the Siemens-Nixdorf 'Multimedia eXtension board'");
|
|
MODULE_AUTHOR("Michael Hunold <michael@mihu.de>");
|
|
MODULE_LICENSE("GPL");
|