WebSVN - shark - Rev 425 - /shark/trunk/drivers/cm7326/mxb.c

/*
mxb.c - v4l2 driver for the Multimedia eXtension Board

Copyright (C) 1998-2003 Michael Hunold <michael@mihu.de>

Visit http://www.mihu.de/linux/saa7146/mxb/
for further details about this card.

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#define DEBUG_VARIABLE debug

#include <media/saa7146_vv.h>
#include <linux/video_decoder.h> /* for saa7111a */

#include "mxb.h"
#include "tea6415c.h"
#include "tea6420.h"
#include "tda9840.h"
#include <media/tuner.h>

#define I2C_SAA7111A 0x24

/* All unused bytes are reserverd. */
#define SAA711X_CHIP_VERSION 0x00
#define SAA711X_ANALOG_INPUT_CONTROL_1 0x02
#define SAA711X_ANALOG_INPUT_CONTROL_2 0x03
#define SAA711X_ANALOG_INPUT_CONTROL_3 0x04
#define SAA711X_ANALOG_INPUT_CONTROL_4 0x05
#define SAA711X_HORIZONTAL_SYNC_START 0x06
#define SAA711X_HORIZONTAL_SYNC_STOP 0x07
#define SAA711X_SYNC_CONTROL 0x08
#define SAA711X_LUMINANCE_CONTROL 0x09
#define SAA711X_LUMINANCE_BRIGHTNESS 0x0A
#define SAA711X_LUMINANCE_CONTRAST 0x0B
#define SAA711X_CHROMA_SATURATION 0x0C
#define SAA711X_CHROMA_HUE_CONTROL 0x0D
#define SAA711X_CHROMA_CONTROL 0x0E
#define SAA711X_FORMAT_DELAY_CONTROL 0x10
#define SAA711X_OUTPUT_CONTROL_1 0x11
#define SAA711X_OUTPUT_CONTROL_2 0x12
#define SAA711X_OUTPUT_CONTROL_3 0x13
#define SAA711X_V_GATE_1_START 0x15
#define SAA711X_V_GATE_1_STOP 0x16
#define SAA711X_V_GATE_1_MSB 0x17
#define SAA711X_TEXT_SLICER_STATUS 0x1A
#define SAA711X_DECODED_BYTES_OF_TS_1 0x1B
#define SAA711X_DECODED_BYTES_OF_TS_2 0x1C
#define SAA711X_STATUS_BYTE 0x1F

#define MXB_BOARD_CAN_DO_VBI(dev) (dev->revision != 0)

/* global variable */
static int mxb_num = 0;

/* initial frequence the tuner will be tuned to.
in verden (lower saxony, germany) 4148 is a
channel called "phoenix" */
static int freq = 4148;
MODULE_PARM(freq,"i");
MODULE_PARM_DESC(freq, "initial frequency the tuner will be tuned to while setup");

static int debug = 0;
MODULE_PARM(debug,"i");
MODULE_PARM_DESC(debug, "debug verbosity");

#define MXB_INPUTS 4
enum { TUNER, AUX1, AUX3, AUX3_YC };

static struct v4l2_input mxb_inputs[MXB_INPUTS] = {
{ TUNER, "Tuner", V4L2_INPUT_TYPE_TUNER, 1, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
{ AUX1, "AUX1", V4L2_INPUT_TYPE_CAMERA, 2, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
{ AUX3, "AUX3 Composite", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
{ AUX3_YC, "AUX3 S-Video", V4L2_INPUT_TYPE_CAMERA, 4, 0, V4L2_STD_PAL_BG|V4L2_STD_NTSC_M, 0 },
};

/* this array holds the information, which port of the saa7146 each
input actually uses. the mxb uses port 0 for every input */
static struct {
int hps_source;
int hps_sync;
} input_port_selection[MXB_INPUTS] = {
{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
{ SAA7146_HPS_SOURCE_PORT_A, SAA7146_HPS_SYNC_PORT_A },
};

/* this array holds the information of the audio source (mxb_audios),
which has to be switched corresponding to the video source (mxb_channels) */
static int video_audio_connect[MXB_INPUTS] =
{ 0, 1, 3, 3 };

/* these are the necessary input-output-pins for bringing one audio source
(see above) to the CD-output */
static struct tea6420_multiplex TEA6420_cd[MXB_AUDIOS+1][2] =
{
{{1,1,0},{1,1,0}}, /* Tuner */
{{5,1,0},{6,1,0}}, /* AUX 1 */
{{4,1,0},{6,1,0}}, /* AUX 2 */
{{3,1,0},{6,1,0}}, /* AUX 3 */
{{1,1,0},{3,1,0}}, /* Radio */
{{1,1,0},{2,1,0}}, /* CD-Rom */
{{6,1,0},{6,1,0}} /* Mute */
};

/* these are the necessary input-output-pins for bringing one audio source
(see above) to the line-output */
static struct tea6420_multiplex TEA6420_line[MXB_AUDIOS+1][2] =
{
{{2,3,0},{1,2,0}},
{{5,3,0},{6,2,0}},
{{4,3,0},{6,2,0}},
{{3,3,0},{6,2,0}},
{{2,3,0},{3,2,0}},
{{2,3,0},{2,2,0}},
{{6,3,0},{6,2,0}} /* Mute */
};

#define MAXCONTROLS 1
static struct v4l2_queryctrl mxb_controls[] = {
{ V4L2_CID_AUDIO_MUTE, V4L2_CTRL_TYPE_BOOLEAN, "Mute", 0, 1, 1, 0, 0 },
};

static struct saa7146_extension_ioctls ioctls[] = {
{ VIDIOC_ENUMINPUT, SAA7146_EXCLUSIVE },
{ VIDIOC_G_INPUT, SAA7146_EXCLUSIVE },
{ VIDIOC_S_INPUT, SAA7146_EXCLUSIVE },
{ VIDIOC_QUERYCTRL, SAA7146_BEFORE },
{ VIDIOC_G_CTRL, SAA7146_BEFORE },
{ VIDIOC_S_CTRL, SAA7146_BEFORE },
{ VIDIOC_G_TUNER, SAA7146_EXCLUSIVE },
{ VIDIOC_S_TUNER, SAA7146_EXCLUSIVE },
{ VIDIOC_G_FREQUENCY, SAA7146_EXCLUSIVE },
{ VIDIOC_S_FREQUENCY, SAA7146_EXCLUSIVE },
{ VIDIOC_G_AUDIO, SAA7146_EXCLUSIVE },
{ VIDIOC_S_AUDIO, SAA7146_EXCLUSIVE },
{ MXB_S_AUDIO_CD, SAA7146_EXCLUSIVE }, /* custom control */
{ MXB_S_AUDIO_LINE, SAA7146_EXCLUSIVE }, /* custom control */
{ 0, 0 }
};

struct mxb
{
struct video_device video_dev;
struct video_device vbi_dev;

struct i2c_adapter i2c_adapter;

struct i2c_client* saa7111a;
struct i2c_client* tda9840;
struct i2c_client* tea6415c;
struct i2c_client* tuner;
struct i2c_client* tea6420_1;
struct i2c_client* tea6420_2;

int cur_mode; /* current audio mode (mono, stereo, ...) */
int cur_input; /* current input */
int cur_freq; /* current frequency the tuner is tuned to */
int cur_mute; /* current mute status */
};

static struct saa7146_extension extension;

static int mxb_vbi_bypass(struct saa7146_dev* dev)
{
struct mxb* mxb = (struct mxb*)dev->ext_priv;
s32 byte = 0x0;
int result = 0;

DEB_EE(("dev:%p\n",dev));

/* switch bypass in saa7111a, this should be done in the
saa7111a driver of course... */
if ( -1 == (result = i2c_smbus_read_byte_data(mxb->saa7111a, SAA711X_OUTPUT_CONTROL_3))) {
DEB_D(("could not read from saa7111a.\n"));
return -EFAULT;
}
byte = result;
byte &= 0xf0;
byte |= 0x0a;

if ( 0 != (result = i2c_smbus_write_byte_data(mxb->saa7111a, SAA711X_OUTPUT_CONTROL_3, byte))) {
DEB_D(("could not write to saa7111a.\n"));
return -EFAULT;
}
return 0;
}

static int mxb_probe(struct saa7146_dev* dev)
{
struct mxb* mxb = 0;
int i = 0;

request_module("tuner");
request_module("tea6420");
request_module("tea6415c");
request_module("tda9840");
request_module("saa7111");

mxb = (struct mxb*)kmalloc(sizeof(struct mxb), GFP_KERNEL);
if( NULL == mxb ) {
DEB_D(("not enough kernel memory.\n"));
return -ENOMEM;
}
memset(mxb, 0x0, sizeof(struct mxb));

saa7146_i2c_adapter_prepare(dev, &mxb->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
if(i2c_add_adapter(&mxb->i2c_adapter) < 0) {
DEB_S(("cannot register i2c-device. skipping.\n"));
kfree(mxb);
return -EFAULT;
}

/* loop through all i2c-devices on the bus and look who is there */
for(i = 0; i < I2C_CLIENT_MAX; i++) {
if( NULL == mxb->i2c_adapter.clients[i] ) {
continue;
}
if( I2C_TEA6420_1 == mxb->i2c_adapter.clients[i]->addr )
mxb->tea6420_1 = mxb->i2c_adapter.clients[i];
if( I2C_TEA6420_2 == mxb->i2c_adapter.clients[i]->addr )
mxb->tea6420_2 = mxb->i2c_adapter.clients[i];
if( I2C_TEA6415C_2 == mxb->i2c_adapter.clients[i]->addr )
mxb->tea6415c = mxb->i2c_adapter.clients[i];
if( I2C_TDA9840 == mxb->i2c_adapter.clients[i]->addr )
mxb->tda9840 = mxb->i2c_adapter.clients[i];
if( I2C_SAA7111A == mxb->i2c_adapter.clients[i]->addr )
mxb->saa7111a = mxb->i2c_adapter.clients[i];
if( 0x60 == mxb->i2c_adapter.clients[i]->addr )
mxb->tuner = mxb->i2c_adapter.clients[i];
}

/* check if all devices are present */
if( 0 == mxb->tea6420_1 || 0 == mxb->tea6420_2 || 0 == mxb->tea6415c
|| 0 == mxb->tda9840 || 0 == mxb->saa7111a || 0 == mxb->tuner ) {

printk("mxb: did not find all i2c devices. are you sure you\n");
printk("mxb: insmod'ed tea6420, tea6415c, saa7111, tea6415c and tuner?\n");
i2c_del_adapter(&mxb->i2c_adapter);
kfree(mxb);
return -ENODEV;
}

/* all devices are present, probe was successful */

/* we store the pointer in our private data field */
(struct mxb*)dev->ext_priv = mxb;

return 0;
}

/* some init data for the saa7740, the so-called 'sound arena module'.
there are no specs available, so we simply use some init values */
static struct {
int length;
char data[9];
} mxb_saa7740_init[] = {
{ 3, { 0x80, 0x00, 0x00 } },{ 3, { 0x80, 0x89, 0x00 } },
{ 3, { 0x80, 0xb0, 0x0a } },{ 3, { 0x00, 0x00, 0x00 } },
{ 3, { 0x49, 0x00, 0x00 } },{ 3, { 0x4a, 0x00, 0x00 } },
{ 3, { 0x4b, 0x00, 0x00 } },{ 3, { 0x4c, 0x00, 0x00 } },
{ 3, { 0x4d, 0x00, 0x00 } },{ 3, { 0x4e, 0x00, 0x00 } },
{ 3, { 0x4f, 0x00, 0x00 } },{ 3, { 0x50, 0x00, 0x00 } },
{ 3, { 0x51, 0x00, 0x00 } },{ 3, { 0x52, 0x00, 0x00 } },
{ 3, { 0x53, 0x00, 0x00 } },{ 3, { 0x54, 0x00, 0x00 } },
{ 3, { 0x55, 0x00, 0x00 } },{ 3, { 0x56, 0x00, 0x00 } },
{ 3, { 0x57, 0x00, 0x00 } },{ 3, { 0x58, 0x00, 0x00 } },
{ 3, { 0x59, 0x00, 0x00 } },{ 3, { 0x5a, 0x00, 0x00 } },
{ 3, { 0x5b, 0x00, 0x00 } },{ 3, { 0x5c, 0x00, 0x00 } },
{ 3, { 0x5d, 0x00, 0x00 } },{ 3, { 0x5e, 0x00, 0x00 } },
{ 3, { 0x5f, 0x00, 0x00 } },{ 3, { 0x60, 0x00, 0x00 } },
{ 3, { 0x61, 0x00, 0x00 } },{ 3, { 0x62, 0x00, 0x00 } },
{ 3, { 0x63, 0x00, 0x00 } },{ 3, { 0x64, 0x00, 0x00 } },
{ 3, { 0x65, 0x00, 0x00 } },{ 3, { 0x66, 0x00, 0x00 } },
{ 3, { 0x67, 0x00, 0x00 } },{ 3, { 0x68, 0x00, 0x00 } },
{ 3, { 0x69, 0x00, 0x00 } },{ 3, { 0x6a, 0x00, 0x00 } },
{ 3, { 0x6b, 0x00, 0x00 } },{ 3, { 0x6c, 0x00, 0x00 } },
{ 3, { 0x6d, 0x00, 0x00 } },{ 3, { 0x6e, 0x00, 0x00 } },
{ 3, { 0x6f, 0x00, 0x00 } },{ 3, { 0x70, 0x00, 0x00 } },
{ 3, { 0x71, 0x00, 0x00 } },{ 3, { 0x72, 0x00, 0x00 } },
{ 3, { 0x73, 0x00, 0x00 } },{ 3, { 0x74, 0x00, 0x00 } },
{ 3, { 0x75, 0x00, 0x00 } },{ 3, { 0x76, 0x00, 0x00 } },
{ 3, { 0x77, 0x00, 0x00 } },{ 3, { 0x41, 0x00, 0x42 } },
{ 3, { 0x42, 0x10, 0x42 } },{ 3, { 0x43, 0x20, 0x42 } },
{ 3, { 0x44, 0x30, 0x42 } },{ 3, { 0x45, 0x00, 0x01 } },
{ 3, { 0x46, 0x00, 0x01 } },{ 3, { 0x47, 0x00, 0x01 } },
{ 3, { 0x48, 0x00, 0x01 } },
{ 9, { 0x01, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
{ 9, { 0x21, 0x03, 0xc5, 0x5c, 0x7a, 0x85, 0x01, 0x00, 0x54 } },
{ 9, { 0x09, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
{ 9, { 0x29, 0x0b, 0xb4, 0x6b, 0x74, 0x85, 0x95, 0x00, 0x34 } },
{ 9, { 0x11, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
{ 9, { 0x31, 0x17, 0x43, 0x62, 0x68, 0x89, 0xd1, 0xff, 0xb0 } },
{ 9, { 0x19, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
{ 9, { 0x39, 0x20, 0x62, 0x51, 0x5a, 0x95, 0x19, 0x01, 0x50 } },
{ 9, { 0x05, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
{ 9, { 0x25, 0x3e, 0xd2, 0x69, 0x4e, 0x9a, 0x51, 0x00, 0xf0 } },
{ 9, { 0x0d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
{ 9, { 0x2d, 0x3d, 0xa1, 0x40, 0x7d, 0x9f, 0x29, 0xfe, 0x14 } },
{ 9, { 0x15, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
{ 9, { 0x35, 0x73, 0xa1, 0x50, 0x5d, 0xa6, 0xf5, 0xfe, 0x38 } },
{ 9, { 0x1d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
{ 9, { 0x3d, 0xed, 0xd0, 0x68, 0x29, 0xb4, 0xe1, 0x00, 0xb8 } },
{ 3, { 0x80, 0xb3, 0x0a } },
{-1, { 0} }
};

static unsigned char mxb_saa7111_init[25] = {
0x00,

0x00, /* 00 - ID byte */
0x00, /* 01 - reserved */

/*front end */
0xd8, /* 02 - FUSE=x, GUDL=x, MODE=x */
0x23, /* 03 - HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */
0x00, /* 04 - GAI1=256 */
0x00, /* 05 - GAI2=256 */

/* decoder */
0xf0, /* 06 - HSB at xx(50Hz) / xx(60Hz) pixels after end of last line */
0x30, /* 07 - HSS at xx(50Hz) / xx(60Hz) pixels after end of last line */
0xa8, /* 08 - AUFD=x, FSEL=x, EXFIL=x, VTRC=x, HPLL=x, VNOI=x */
0x02, /* 09 - BYPS=x, PREF=x, BPSS=x, VBLB=x, UPTCV=x, APER=x */
0x80, /* 0a - BRIG=128 */
0x47, /* 0b - CONT=1.109 */
0x40, /* 0c - SATN=1.0 */
0x00, /* 0d - HUE=0 */
0x01, /* 0e - CDTO=0, CSTD=0, DCCF=0, FCTC=0, CHBW=1 */
0x00, /* 0f - reserved */
0xd0, /* 10 - OFTS=x, HDEL=x, VRLN=x, YDEL=x */
0x8c, /* 11 - GPSW=x, CM99=x, FECO=x, COMPO=x, OEYC=1, OEHV=1, VIPB=0, COLO=0 */
0x80, /* 12 - xx output control 2 */
0x30, /* 13 - xx output control 3 */
0x00, /* 14 - reserved */
0x15, /* 15 - VBI */
0x04, /* 16 - VBI */
0x00, /* 17 - VBI */
};

/* bring hardware to a sane state. this has to be done, just in case someone
wants to capture from this device before it has been properly initialized.
the capture engine would badly fail, because no valid signal arrives on the
saa7146, thus leading to timeouts and stuff. */
static int mxb_init_done(struct saa7146_dev* dev)
{
struct mxb* mxb = (struct mxb*)dev->ext_priv;

struct i2c_msg msg;

int i = 0, err = 0;
struct tea6415c_multiplex vm;

/* write configuration to saa7111a */
i = i2c_master_send(mxb->saa7111a, mxb_saa7111_init, sizeof(mxb_saa7111_init));
if (i < 0) {
printk("failed to initialize saa7111a. this should never happen.\n");
}

/* select tuner-output on saa7111a */
i = 0;
mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_INPUT, &i);
// i = VIDEO_MODE_PAL;
// mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i);

mxb_vbi_bypass(dev);

/* select a tuner type */
i = 5;
mxb->tuner->driver->command(mxb->tuner,TUNER_SET_TYPE, &i);

/* 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);

/* tune in some frequency on tuner */
mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &freq);

/* the rest for mxb */
mxb->cur_input = 0;
mxb->cur_freq = freq;
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;
}

/* hack: this should go into saa711x */
static int saa7111_set_gpio(struct saa7146_dev *dev, int bl)
{
struct mxb* mxb = (struct mxb*)dev->ext_priv;
s32 byte = 0x0;
int result = 0;

DEB_EE(("dev:%p\n",dev));

/* get the old register contents */
if ( -1 == (byte = i2c_smbus_read_byte_data(mxb->saa7111a, SAA711X_OUTPUT_CONTROL_1))) {
DEB_D(("could not read from saa711x\n"));
return -EFAULT;
}

if( 0 == bl ) {
byte &= 0x7f;
} else {
byte |= 0x80;
}

/* write register contents back */
if ( 0 != (result = i2c_smbus_write_byte_data(mxb->saa7111a, SAA711X_OUTPUT_CONTROL_1, byte))) {
DEB_D(("could not write to saa711x\n"));
return -EFAULT;
}

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
down(&dev->lock);
video_mux(dev,*i);
up(&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;

byte = mxb->tda9840->driver->command(mxb->tda9840,TDA9840_DETECT, NULL);
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: {
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;
}

memset(f,0,sizeof(*f));
f->type = V4L2_TUNER_ANALOG_TV;
f->frequency = mxb->cur_freq;

DEB_EE(("VIDIOC_G_FREQ: freq:0x%08x.\n", mxb->cur_freq));
return 0;
}
case VIDIOC_S_FREQUENCY:
{
struct v4l2_frequency *f = arg;
int t_locked = 0;
int v_byte = 0;

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;
}

DEB_EE(("VIDIOC_S_FREQUENCY: freq:0x%08x.\n",f->frequency));

mxb->cur_freq = f->frequency;

/* tune in desired frequency */
mxb->tuner->driver->command(mxb->tuner, VIDIOCSFREQ, &mxb->cur_freq);

/* check if pll of tuner & saa7111a is locked */
// mxb->tuner->driver->command(mxb->tuner,TUNER_IS_LOCKED, &t_locked);
mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_GET_STATUS, &v_byte);

/* not locked -- anything to do here ? */
if( 0 == t_locked || 0 == (v_byte & DECODER_STATUS_GOOD)) {
}

/* 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 *std)
{
if(V4L2_STD_PAL_I == std->id ) {
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 */
saa7111_set_gpio(dev,0);
} else {
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 */
saa7111_set_gpio(dev,1);
}
return 0;
}

static struct saa7146_standard standard[] = {
{
.name = "PAL-BG", .id = V4L2_STD_PAL_BG,
.v_offset = 0x17, .v_field = 288, .v_calc = 576,
.h_offset = 0x14, .h_pixels = 680, .h_calc = 680+1,
.v_max_out = 576, .h_max_out = 768,
}, {
.name = "PAL-I", .id = V4L2_STD_PAL_I,
.v_offset = 0x17, .v_field = 288, .v_calc = 576,
.h_offset = 0x14, .h_pixels = 680, .h_calc = 680+1,
.v_max_out = 576, .h_max_out = 768,
}, {
.name = "NTSC", .id = V4L2_STD_NTSC,
.v_offset = 0x16, .v_field = 240, .v_calc = 480,
.h_offset = 0x06, .h_pixels = 708, .h_calc = 708+1,
.v_max_out = 480, .h_max_out = 640,
}, {
.name = "SECAM", .id = V4L2_STD_SECAM,
.v_offset = 0x14, .v_field = 288, .v_calc = 576,
.h_offset = 0x14, .h_pixels = 720, .h_calc = 720+1,
.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,
};

int __init mxb_init_module(void)
{
if( 0 != saa7146_register_extension(&extension)) {
DEB_S(("failed to register extension.\n"));
return -ENODEV;
}

return 0;
}

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");

Subversion Repositories shark

(root)/shark/trunk/drivers/cm7326/mxb.c - Rev 425