static int video_begin(struct saa7146_fh *fh)
{
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
struct saa7146_format *fmt = NULL;
unsigned int resource;
int ret = 0, err = 0;
DEB_EE(("dev:%p, fh:%p\n",dev,fh));
if ((vv->video_status & STATUS_CAPTURE) != 0) {
if (vv->video_fh == fh) {
DEB_S(("already capturing.\n"));
return 0;
}
DEB_S(("already capturing in another open.\n"));
return -EBUSY;
}
if ((vv->video_status & STATUS_OVERLAY) != 0) {
DEB_S(("warning: suspending overlay video for streaming capture.\n"));
vv->ov_suspend = vv->video_fh;
err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL */
if (0 != err) {
DEB_D(("suspending video failed. aborting\n"));
return err;
}
}
fmt = format_by_fourcc(dev,fh->video_fmt.pixelformat);
/* we need to have a valid format set here */
BUG_ON(NULL == fmt);
if (0 != (fmt->flags & FORMAT_IS_PLANAR)) {
resource = RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP|RESOURCE_DMA3_BRS;
} else {
resource = RESOURCE_DMA1_HPS;
}
ret = saa7146_res_get(fh, resource);
if (0 == ret) {
DEB_S(("cannot get capture resource %d\n",resource));
if (vv->ov_suspend != NULL) {
saa7146_start_preview(vv->ov_suspend);
vv->ov_suspend = NULL;
}
return -EBUSY;
}
/* clear out beginning of streaming bit (rps register 0)*/
saa7146_write(dev, MC2, MASK_27 );
/* enable rps0 irqs */
SAA7146_IER_ENABLE(dev, MASK_27);
vv->video_fh = fh;
vv->video_status = STATUS_CAPTURE;
return 0;
}
static int vidioc_streamoff(struct file *file, void *__fh, enum v4l2_buf_type type)
{
struct saa7146_fh *fh = __fh;
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
int err;
DEB_D("VIDIOC_STREAMOFF, type:%d\n", type);
/* ugly: we need to copy some checks from video_end(),
because videobuf_streamoff() relies on the capture running.
check and fix this */
if ((vv->video_status & STATUS_CAPTURE) != STATUS_CAPTURE) {
DEB_S("not capturing\n");
return 0;
}
if (vv->video_fh != fh) {
DEB_S("capturing, but in another open\n");
return -EBUSY;
}
err = -EINVAL;
if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
err = videobuf_streamoff(&fh->video_q);
else if (type == V4L2_BUF_TYPE_VBI_CAPTURE)
err = videobuf_streamoff(&fh->vbi_q);
if (0 != err) {
DEB_D("warning: videobuf_streamoff() failed\n");
video_end(fh, file);
} else {
err = video_end(fh, file);
}
return err;
}
static int video_end(struct saa7146_fh *fh, struct file *file)
{
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
struct saa7146_format *fmt = NULL;
unsigned long flags;
unsigned int resource;
u32 dmas = 0;
DEB_EE(("dev:%p, fh:%p\n",dev,fh));
if ((vv->video_status & STATUS_CAPTURE) != STATUS_CAPTURE) {
DEB_S(("not capturing.\n"));
return 0;
}
if (vv->video_fh != fh) {
DEB_S(("capturing, but in another open.\n"));
return -EBUSY;
}
fmt = format_by_fourcc(dev,fh->video_fmt.pixelformat);
/* we need to have a valid format set here */
BUG_ON(NULL == fmt);
if (0 != (fmt->flags & FORMAT_IS_PLANAR)) {
resource = RESOURCE_DMA1_HPS|RESOURCE_DMA2_CLP|RESOURCE_DMA3_BRS;
dmas = MASK_22 | MASK_21 | MASK_20;
} else {
resource = RESOURCE_DMA1_HPS;
dmas = MASK_22;
}
spin_lock_irqsave(&dev->slock,flags);
/* disable rps0 */
saa7146_write(dev, MC1, MASK_28);
/* disable rps0 irqs */
SAA7146_IER_DISABLE(dev, MASK_27);
/* shut down all used video dma transfers */
saa7146_write(dev, MC1, dmas);
spin_unlock_irqrestore(&dev->slock, flags);
vv->video_fh = NULL;
vv->video_status = 0;
saa7146_res_free(fh, resource);
if (vv->ov_suspend != NULL) {
saa7146_start_preview(vv->ov_suspend);
vv->ov_suspend = NULL;
}
return 0;
}
static inline int saa7146_wait_for_debi_done_busyloop(struct saa7146_dev *dev,
unsigned long us1, unsigned long us2)
{
unsigned long loops;
/* wait for registers to be programmed */
loops = us1;
while (1) {
if (saa7146_read(dev, MC2) & 2)
break;
if (!loops--) {
printk(KERN_ERR "%s: %s timed out while waiting for "
"registers getting programmed\n",
dev->name, __func__);
return -ETIMEDOUT;
}
udelay(1);
}
/* wait for transfer to complete */
loops = us2 / 5;
while (1) {
if (!(saa7146_read(dev, PSR) & SPCI_DEBI_S))
break;
saa7146_read(dev, MC2);
if (!loops--) {
DEB_S(("%s: %s timed out while waiting for transfer "
"completion\n", dev->name, __func__));
return -ETIMEDOUT;
}
udelay(5);
}
return 0;
}
static int vbi_open(struct saa7146_dev *dev, struct file *file)
{
struct saa7146_fh *fh = file->private_data;
u32 arbtr_ctrl = saa7146_read(dev, PCI_BT_V1);
int ret = 0;
DEB_VBI(("dev:%p, fh:%p\n",dev,fh));
ret = saa7146_res_get(fh, RESOURCE_DMA3_BRS);
if (0 == ret) {
DEB_S(("cannot get vbi RESOURCE_DMA3_BRS resource\n"));
return -EBUSY;
}
/* adjust arbitrition control for video dma 3 */
arbtr_ctrl &= ~0x1f0000;
arbtr_ctrl |= 0x1d0000;
saa7146_write(dev, PCI_BT_V1, arbtr_ctrl);
saa7146_write(dev, MC2, (MASK_04|MASK_20));
memset(&fh->vbi_fmt,0,sizeof(fh->vbi_fmt));
fh->vbi_fmt.sampling_rate = 27000000;
fh->vbi_fmt.offset = 248; /* todo */
fh->vbi_fmt.samples_per_line = vbi_pixel_to_capture;
fh->vbi_fmt.sample_format = V4L2_PIX_FMT_GREY;
fh->vbi_fmt.start[0] = 5;
fh->vbi_fmt.count[0] = 16;
fh->vbi_fmt.start[1] = 312;
fh->vbi_fmt.count[1] = 16;
videobuf_queue_sg_init(&fh->vbi_q, &vbi_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VBI_CAPTURE,
V4L2_FIELD_SEQ_TB,
sizeof(struct saa7146_buf),
file);
init_timer(&fh->vbi_read_timeout);
fh->vbi_read_timeout.function = vbi_read_timeout;
fh->vbi_read_timeout.data = (unsigned long)file;
/* initialize the brs */
if ( 0 != (SAA7146_USE_PORT_B_FOR_VBI & dev->ext_vv_data->flags)) {
saa7146_write(dev, BRS_CTRL, MASK_30|MASK_29 | (7 << 19));
} else {
saa7146_write(dev, BRS_CTRL, 0x00000001);
if (0 != (ret = vbi_workaround(dev))) {
DEB_VBI(("vbi workaround failed!\n"));
/* return ret;*/
}
}
/* upload brs register */
saa7146_write(dev, MC2, (MASK_08|MASK_24));
return 0;
}
static int __init dpc_init_module(void)
{
if( 0 != saa7146_register_extension(&extension)) {
DEB_S(("failed to register extension.\n"));
return -ENODEV;
}
return 0;
}
static int __init mxb_init_module(void)
{
if (saa7146_register_extension(&extension)) {
DEB_S("failed to register extension\n");
return -ENODEV;
}
return 0;
}
static ssize_t video_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
struct saa7146_fh *fh = file->private_data;
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
ssize_t ret = 0;
DEB_EE(("called.\n"));
if ((vv->video_status & STATUS_CAPTURE) != 0) {
/* fixme: should we allow read() captures while streaming capture? */
if (vv->video_fh == fh) {
DEB_S(("already capturing.\n"));
return -EBUSY;
}
DEB_S(("already capturing in another open.\n"));
return -EBUSY;
}
ret = video_begin(fh);
if( 0 != ret) {
goto out;
}
ret = videobuf_read_one(&fh->video_q , data, count, ppos,
file->f_flags & O_NONBLOCK);
if (ret != 0) {
video_end(fh, file);
} else {
ret = video_end(fh, file);
}
out:
/* restart overlay if it was active before */
if (vv->ov_suspend != NULL) {
saa7146_start_preview(vv->ov_suspend);
vv->ov_suspend = NULL;
}
return ret;
}
static int mxb_probe(struct saa7146_dev *dev)
{
struct mxb *mxb = NULL;
mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
if (mxb == NULL) {
DEB_D(("not enough kernel memory.\n"));
return -ENOMEM;
}
snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
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;
}
mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"saa7115", "saa7111", I2C_SAA7111A);
mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6420", "tea6420", I2C_TEA6420_1);
mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6420", "tea6420", I2C_TEA6420_2);
mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6415c", "tea6415c", I2C_TEA6415C);
mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tda9840", "tda9840", I2C_TDA9840);
mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tuner", "tuner", I2C_TUNER);
if (v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"saa5246a", "saa5246a", I2C_SAA5246A)) {
printk(KERN_INFO "mxb: found teletext decoder\n");
}
/* check if all devices are present */
if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
!mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
printk("mxb: did not find all i2c devices. aborting\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 */
dev->ext_priv = mxb;
return 0;
}
static int mxb_probe(struct saa7146_dev *dev)
{
struct mxb *mxb = NULL;
mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
if (mxb == NULL) {
DEB_D("not enough kernel memory\n");
return -ENOMEM;
}
snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
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;
}
mxb->saa7111a = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"saa7111", I2C_SAA7111A, NULL);
mxb->tea6420_1 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6420", I2C_TEA6420_1, NULL);
mxb->tea6420_2 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6420", I2C_TEA6420_2, NULL);
mxb->tea6415c = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tea6415c", I2C_TEA6415C, NULL);
mxb->tda9840 = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tda9840", I2C_TDA9840, NULL);
mxb->tuner = v4l2_i2c_new_subdev(&dev->v4l2_dev, &mxb->i2c_adapter,
"tuner", I2C_TUNER, NULL);
if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
!mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
pr_err("did not find all i2c devices. aborting\n");
i2c_del_adapter(&mxb->i2c_adapter);
kfree(mxb);
return -ENODEV;
}
dev->ext_priv = mxb;
return 0;
}
static int vbi_open(struct saa7146_dev *dev, struct file *file)
{
struct saa7146_fh *fh = file->private_data;
struct saa7146_vv *vv = fh->dev->vv_data;
u32 arbtr_ctrl = saa7146_read(dev, PCI_BT_V1);
int ret = 0;
DEB_VBI("dev:%p, fh:%p\n", dev, fh);
ret = saa7146_res_get(fh, RESOURCE_DMA3_BRS);
if (0 == ret) {
DEB_S("cannot get vbi RESOURCE_DMA3_BRS resource\n");
return -EBUSY;
}
/* adjust arbitrition control for video dma 3 */
arbtr_ctrl &= ~0x1f0000;
arbtr_ctrl |= 0x1d0000;
saa7146_write(dev, PCI_BT_V1, arbtr_ctrl);
saa7146_write(dev, MC2, (MASK_04|MASK_20));
videobuf_queue_sg_init(&fh->vbi_q, &vbi_qops,
&dev->pci->dev, &dev->slock,
V4L2_BUF_TYPE_VBI_CAPTURE,
V4L2_FIELD_SEQ_TB, // FIXME: does this really work?
sizeof(struct saa7146_buf),
file, &dev->v4l2_lock);
vv->vbi_read_timeout.function = vbi_read_timeout;
vv->vbi_read_timeout.data = (unsigned long)file;
/* initialize the brs */
if ( 0 != (SAA7146_USE_PORT_B_FOR_VBI & dev->ext_vv_data->flags)) {
saa7146_write(dev, BRS_CTRL, MASK_30|MASK_29 | (7 << 19));
} else {
saa7146_write(dev, BRS_CTRL, 0x00000001);
if (0 != (ret = vbi_workaround(dev))) {
DEB_VBI("vbi workaround failed!\n");
/* return ret;*/
}
}
/* upload brs register */
saa7146_write(dev, MC2, (MASK_08|MASK_24));
return 0;
}
static int vidioc_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *fb)
{
struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
struct saa7146_vv *vv = dev->vv_data;
struct saa7146_format *fmt;
DEB_EE(("VIDIOC_S_FBUF\n"));
if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RAWIO))
return -EPERM;
/* check args */
fmt = saa7146_format_by_fourcc(dev, fb->fmt.pixelformat);
if (NULL == fmt)
return -EINVAL;
/* planar formats are not allowed for overlay video, clipping and video dma would clash */
if (fmt->flags & FORMAT_IS_PLANAR)
DEB_S(("planar pixelformat '%4.4s' not allowed for overlay\n",
(char *)&fmt->pixelformat));
/* check if overlay is running */
if (IS_OVERLAY_ACTIVE(fh) != 0) {
if (vv->video_fh != fh) {
DEB_D(("refusing to change framebuffer informations while overlay is active in another open.\n"));
return -EBUSY;
}
}
mutex_lock(&dev->lock);
/* ok, accept it */
vv->ov_fb = *fb;
vv->ov_fmt = fmt;
if (vv->ov_fb.fmt.bytesperline < vv->ov_fb.fmt.width) {
vv->ov_fb.fmt.bytesperline = vv->ov_fb.fmt.width * fmt->depth / 8;
DEB_D(("setting bytesperline to %d\n", vv->ov_fb.fmt.bytesperline));
}
mutex_unlock(&dev->lock);
return 0;
}
/* This DEBI code is based on the saa7146 Stradis driver by Nathan Laredo */
static inline int saa7146_wait_for_debi_done_sleep(struct saa7146_dev *dev,
unsigned long us1, unsigned long us2)
{
unsigned long timeout;
int err;
/* wait for registers to be programmed */
timeout = jiffies + usecs_to_jiffies(us1);
while (1) {
err = time_after(jiffies, timeout);
if (saa7146_read(dev, MC2) & 2)
break;
if (err) {
printk(KERN_ERR "%s: %s timed out while waiting for "
"registers getting programmed\n",
dev->name, __func__);
return -ETIMEDOUT;
}
msleep(1);
}
/* wait for transfer to complete */
timeout = jiffies + usecs_to_jiffies(us2);
while (1) {
err = time_after(jiffies, timeout);
if (!(saa7146_read(dev, PSR) & SPCI_DEBI_S))
break;
saa7146_read(dev, MC2);
if (err) {
DEB_S(("%s: %s timed out while waiting for transfer "
"completion\n", dev->name, __func__));
return -ETIMEDOUT;
}
msleep(1);
}
return 0;
}
int saa7146_video_do_ioctl(struct inode *inode, struct file *file, unsigned int cmd, void *arg)
{
struct saa7146_fh *fh = file->private_data;
struct saa7146_dev *dev = fh->dev;
struct saa7146_vv *vv = dev->vv_data;
int err = 0, result = 0, ee = 0;
struct saa7146_use_ops *ops;
struct videobuf_queue *q;
/* check if extension handles the command */
for(ee = 0; dev->ext_vv_data->ioctls[ee].flags != 0; ee++) {
if( cmd == dev->ext_vv_data->ioctls[ee].cmd )
break;
}
if( 0 != (dev->ext_vv_data->ioctls[ee].flags & SAA7146_EXCLUSIVE) ) {
DEB_D(("extension handles ioctl exclusive.\n"));
result = dev->ext_vv_data->ioctl(fh, cmd, arg);
return result;
}
if( 0 != (dev->ext_vv_data->ioctls[ee].flags & SAA7146_BEFORE) ) {
DEB_D(("extension handles ioctl before.\n"));
result = dev->ext_vv_data->ioctl(fh, cmd, arg);
if( -EAGAIN != result ) {
return result;
}
}
/* fixme: add handle "after" case (is it still needed?) */
switch (fh->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
ops = &saa7146_video_uops;
q = &fh->video_q;
break;
}
case V4L2_BUF_TYPE_VBI_CAPTURE: {
ops = &saa7146_vbi_uops;
q = &fh->vbi_q;
break;
}
default:
BUG();
return 0;
}
switch (cmd) {
case VIDIOC_QUERYCAP:
{
struct v4l2_capability *cap = arg;
memset(cap,0,sizeof(*cap));
DEB_EE(("VIDIOC_QUERYCAP\n"));
strcpy(cap->driver, "saa7146 v4l2");
strlcpy(cap->card, dev->ext->name, sizeof(cap->card));
sprintf(cap->bus_info,"PCI:%s", pci_name(dev->pci));
cap->version = SAA7146_VERSION_CODE;
cap->capabilities =
V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_VIDEO_OVERLAY |
V4L2_CAP_READWRITE |
V4L2_CAP_STREAMING;
cap->capabilities |= dev->ext_vv_data->capabilities;
return 0;
}
case VIDIOC_G_FBUF:
{
struct v4l2_framebuffer *fb = arg;
DEB_EE(("VIDIOC_G_FBUF\n"));
*fb = vv->ov_fb;
fb->capability = V4L2_FBUF_CAP_LIST_CLIPPING;
return 0;
}
case VIDIOC_S_FBUF:
{
struct v4l2_framebuffer *fb = arg;
struct saa7146_format *fmt;
DEB_EE(("VIDIOC_S_FBUF\n"));
if(!capable(CAP_SYS_ADMIN) &&
!capable(CAP_SYS_RAWIO))
return -EPERM;
/* check args */
fmt = format_by_fourcc(dev,fb->fmt.pixelformat);
if (NULL == fmt) {
return -EINVAL;
}
/* planar formats are not allowed for overlay video, clipping and video dma would clash */
if (0 != (fmt->flags & FORMAT_IS_PLANAR)) {
DEB_S(("planar pixelformat '%4.4s' not allowed for overlay\n",(char *)&fmt->pixelformat));
}
/* check if overlay is running */
if (IS_OVERLAY_ACTIVE(fh) != 0) {
if (vv->video_fh != fh) {
DEB_D(("refusing to change framebuffer informations while overlay is active in another open.\n"));
return -EBUSY;
}
}
down(&dev->lock);
/* ok, accept it */
vv->ov_fb = *fb;
vv->ov_fmt = fmt;
if (0 == vv->ov_fb.fmt.bytesperline)
vv->ov_fb.fmt.bytesperline =
vv->ov_fb.fmt.width*fmt->depth/8;
up(&dev->lock);
return 0;
}
case VIDIOC_ENUM_FMT:
{
struct v4l2_fmtdesc *f = arg;
int index;
switch (f->type) {
case V4L2_BUF_TYPE_VIDEO_CAPTURE:
case V4L2_BUF_TYPE_VIDEO_OVERLAY: {
index = f->index;
if (index < 0 || index >= NUM_FORMATS) {
return -EINVAL;
}
memset(f,0,sizeof(*f));
f->index = index;
strlcpy(f->description,formats[index].name,sizeof(f->description));
f->pixelformat = formats[index].pixelformat;
break;
}
default:
return -EINVAL;
}
DEB_EE(("VIDIOC_ENUM_FMT: type:%d, index:%d\n",f->type,f->index));
return 0;
}
case VIDIOC_QUERYCTRL:
{
const struct v4l2_queryctrl *ctrl;
struct v4l2_queryctrl *c = arg;
if ((c->id < V4L2_CID_BASE ||
c->id >= V4L2_CID_LASTP1) &&
(c->id < V4L2_CID_PRIVATE_BASE ||
c->id >= V4L2_CID_PRIVATE_LASTP1))
return -EINVAL;
ctrl = ctrl_by_id(c->id);
if( NULL == ctrl ) {
return -EINVAL;
/*
c->flags = V4L2_CTRL_FLAG_DISABLED;
return 0;
*/
}
DEB_EE(("VIDIOC_QUERYCTRL: id:%d\n",c->id));
*c = *ctrl;
return 0;
}
case VIDIOC_G_CTRL: {
DEB_EE(("VIDIOC_G_CTRL\n"));
return get_control(fh,arg);
}
case VIDIOC_S_CTRL:
{
DEB_EE(("VIDIOC_S_CTRL\n"));
err = set_control(fh,arg);
return err;
}
case VIDIOC_G_PARM:
{
struct v4l2_streamparm *parm = arg;
if( parm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ) {
return -EINVAL;
}
memset(&parm->parm.capture,0,sizeof(struct v4l2_captureparm));
parm->parm.capture.readbuffers = 1;
// fixme: only for PAL!
parm->parm.capture.timeperframe.numerator = 1;
parm->parm.capture.timeperframe.denominator = 25;
return 0;
}
case VIDIOC_G_FMT:
{
struct v4l2_format *f = arg;
DEB_EE(("VIDIOC_G_FMT\n"));
return g_fmt(fh,f);
}
case VIDIOC_S_FMT:
{
struct v4l2_format *f = arg;
DEB_EE(("VIDIOC_S_FMT\n"));
return s_fmt(fh,f);
}
case VIDIOC_TRY_FMT:
{
struct v4l2_format *f = arg;
DEB_EE(("VIDIOC_TRY_FMT\n"));
return try_fmt(fh,f);
}
case VIDIOC_G_STD:
{
v4l2_std_id *id = arg;
DEB_EE(("VIDIOC_G_STD\n"));
*id = vv->standard->id;
return 0;
}
/* the saa7146 supfhrts (used in conjunction with the saa7111a for example)
PAL / NTSC / SECAM. if your hardware does not (or does more)
-- override this function in your extension */
case VIDIOC_ENUMSTD:
{
struct v4l2_standard *e = arg;
if (e->index < 0 )
return -EINVAL;
if( e->index < dev->ext_vv_data->num_stds ) {
DEB_EE(("VIDIOC_ENUMSTD: index:%d\n",e->index));
v4l2_video_std_construct(e, dev->ext_vv_data->stds[e->index].id, dev->ext_vv_data->stds[e->index].name);
return 0;
}
return -EINVAL;
}
case VIDIOC_S_STD:
{
v4l2_std_id *id = arg;
int found = 0;
int i, err;
DEB_EE(("VIDIOC_S_STD\n"));
if ((vv->video_status & STATUS_CAPTURE) == STATUS_CAPTURE) {
DEB_D(("cannot change video standard while streaming capture is active\n"));
return -EBUSY;
}
if ((vv->video_status & STATUS_OVERLAY) != 0) {
vv->ov_suspend = vv->video_fh;
err = saa7146_stop_preview(vv->video_fh); /* side effect: video_status is now 0, video_fh is NULL */
if (0 != err) {
DEB_D(("suspending video failed. aborting\n"));
return err;
}
}
down(&dev->lock);
for(i = 0; i < dev->ext_vv_data->num_stds; i++)
if (*id & dev->ext_vv_data->stds[i].id)
break;
if (i != dev->ext_vv_data->num_stds) {
vv->standard = &dev->ext_vv_data->stds[i];
if( NULL != dev->ext_vv_data->std_callback )
dev->ext_vv_data->std_callback(dev, vv->standard);
found = 1;
}
up(&dev->lock);
if (vv->ov_suspend != NULL) {
saa7146_start_preview(vv->ov_suspend);
vv->ov_suspend = NULL;
}
if( 0 == found ) {
DEB_EE(("VIDIOC_S_STD: standard not found.\n"));
return -EINVAL;
}
DEB_EE(("VIDIOC_S_STD: set to standard to '%s'\n",vv->standard->name));
return 0;
}
case VIDIOC_OVERLAY:
{
int on = *(int *)arg;
int err = 0;
DEB_D(("VIDIOC_OVERLAY on:%d\n",on));
if (on != 0) {
err = saa7146_start_preview(fh);
} else {
err = saa7146_stop_preview(fh);
}
return err;
}
case VIDIOC_REQBUFS: {
struct v4l2_requestbuffers *req = arg;
DEB_D(("VIDIOC_REQBUFS, type:%d\n",req->type));
return videobuf_reqbufs(q,req);
}
case VIDIOC_QUERYBUF: {
struct v4l2_buffer *buf = arg;
DEB_D(("VIDIOC_QUERYBUF, type:%d, offset:%d\n",buf->type,buf->m.offset));
return videobuf_querybuf(q,buf);
}
case VIDIOC_QBUF: {
struct v4l2_buffer *buf = arg;
int ret = 0;
ret = videobuf_qbuf(q,buf);
DEB_D(("VIDIOC_QBUF: ret:%d, index:%d\n",ret,buf->index));
return ret;
}
case VIDIOC_DQBUF: {
struct v4l2_buffer *buf = arg;
int ret = 0;
ret = videobuf_dqbuf(q,buf,file->f_flags & O_NONBLOCK);
DEB_D(("VIDIOC_DQBUF: ret:%d, index:%d\n",ret,buf->index));
return ret;
}
case VIDIOC_STREAMON: {
int *type = arg;
DEB_D(("VIDIOC_STREAMON, type:%d\n",*type));
err = video_begin(fh);
if( 0 != err) {
return err;
}
err = videobuf_streamon(q);
return err;
}
case VIDIOC_STREAMOFF: {
int *type = arg;
DEB_D(("VIDIOC_STREAMOFF, type:%d\n",*type));
/* ugly: we need to copy some checks from video_end(),
because videobuf_streamoff() relies on the capture running.
check and fix this */
if ((vv->video_status & STATUS_CAPTURE) != STATUS_CAPTURE) {
DEB_S(("not capturing.\n"));
return 0;
}
if (vv->video_fh != fh) {
DEB_S(("capturing, but in another open.\n"));
return -EBUSY;
}
err = videobuf_streamoff(q);
if (0 != err) {
DEB_D(("warning: videobuf_streamoff() failed.\n"));
video_end(fh, file);
} else {
err = video_end(fh, file);
}
return err;
}
case VIDIOCGMBUF:
{
struct video_mbuf *mbuf = arg;
struct videobuf_queue *q;
int i;
/* fixme: number of capture buffers and sizes for v4l apps */
int gbuffers = 2;
int gbufsize = 768*576*4;
DEB_D(("VIDIOCGMBUF \n"));
q = &fh->video_q;
down(&q->lock);
err = videobuf_mmap_setup(q,gbuffers,gbufsize,
V4L2_MEMORY_MMAP);
if (err < 0) {
up(&q->lock);
return err;
}
memset(mbuf,0,sizeof(*mbuf));
mbuf->frames = gbuffers;
mbuf->size = gbuffers * gbufsize;
for (i = 0; i < gbuffers; i++)
mbuf->offsets[i] = i * gbufsize;
up(&q->lock);
return 0;
}
default:
return v4l_compat_translate_ioctl(inode,file,cmd,arg,
saa7146_video_do_ioctl);
}
return 0;
}
static int mxb_probe(struct saa7146_dev* dev)
{
struct mxb* mxb = NULL;
int result;
result = request_module("saa7115");
if (result < 0) {
printk("mxb: saa7111 i2c module not available.\n");
return -ENODEV;
}
result = request_module("tea6420");
if (result < 0) {
printk("mxb: tea6420 i2c module not available.\n");
return -ENODEV;
}
result = request_module("tea6415c");
if (result < 0) {
printk("mxb: tea6415c i2c module not available.\n");
return -ENODEV;
}
result = request_module("tda9840");
if (result < 0) {
printk("mxb: tda9840 i2c module not available.\n");
return -ENODEV;
}
result = request_module("tuner");
if (result < 0) {
printk("mxb: tuner i2c module not available.\n");
return -ENODEV;
}
mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
if( NULL == mxb ) {
DEB_D(("not enough kernel memory.\n"));
return -ENOMEM;
}
mxb->i2c_adapter = (struct i2c_adapter) {
.class = I2C_CLASS_TV_ANALOG,
};
snprintf(mxb->i2c_adapter.name, sizeof(mxb->i2c_adapter.name), "mxb%d", mxb_num);
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 */
device_for_each_child(&mxb->i2c_adapter.dev, mxb, mxb_check_clients);
/* check if all devices are present */
if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
!mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
printk("mxb: did not find all i2c devices. aborting\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 */
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 } }
};
/* 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;
struct tuner_setup tun_setup;
v4l2_std_id std = V4L2_STD_PAL_BG;
struct v4l2_routing route;
int i = 0, err = 0;
struct tea6415c_multiplex vm;
/* select video mode in saa7111a */
mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_S_STD, &std);
/* select tuner-output on saa7111a */
i = 0;
route.input = SAA7115_COMPOSITE0;
route.output = SAA7111_FMT_CCIR | SAA7111_VBI_BYPASS;
mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_VIDEO_ROUTING, &route);
/* 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;
/* 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];
err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
if (err == 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];
err = i2c_transfer(&mxb->i2c_adapter, &msg, 1);
if (err != 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 (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 (MXB_BOARD_CAN_DO_VBI(dev)) {
if (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 (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;
if (vc->id == 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;
if (vc->id == V4L2_CID_AUDIO_MUTE) {
mxb->cur_mute = vc->value;
if (!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));
}
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;
struct v4l2_routing route;
int i = 0;
DEB_EE(("VIDIOC_S_INPUT %d.\n", input));
if (input < 0 || input >= MXB_INPUTS)
return -EINVAL;
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 = SAA7115_COMPOSITE0;
vm.in = 3;
vm.out = 17;
if (mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm)) {
printk(KERN_ERR "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 = SAA7115_SVIDEO1;
break;
case AUX3:
/* nothing to be done here. aux3 is
directly connected to the saa711a */
i = SAA7115_COMPOSITE1;
break;
case AUX1:
i = SAA7115_COMPOSITE0;
vm.in = 1;
vm.out = 17;
break;
}
/* switch video in tea6415c only if necessary */
switch (input) {
case TUNER:
case AUX1:
if (mxb->tea6415c->driver->command(mxb->tea6415c, TEA6415C_SWITCH, &vm)) {
printk(KERN_ERR "VIDIOC_S_INPUT: could not address tea6415c #3\n");
return -EFAULT;
}
break;
default:
break;
}
/* switch video in saa7111a */
route.input = i;
route.output = 0;
if (mxb->saa7111a->driver->command(mxb->saa7111a, VIDIOC_INT_S_VIDEO_ROUTING, &route))
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;
if (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));
i2c_clients_command(&mxb->i2c_adapter, cmd, arg);
strlcpy(t->name, "TV Tuner", sizeof(t->name));
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->audmode = mxb->cur_mode;
return 0;
}
case VIDIOC_S_TUNER:
{
struct v4l2_tuner *t = arg;
if (t->index) {
DEB_D(("VIDIOC_S_TUNER: channel %d does not have a tuner attached.\n",t->index));
return -EINVAL;
}
mxb->cur_mode = t->audmode;
i2c_clients_command(&mxb->i2c_adapter, cmd, arg);
return 0;
}
case VIDIOC_G_FREQUENCY:
{
struct v4l2_frequency *f = arg;
if (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 (f->tuner)
return -EINVAL;
if (V4L2_TUNER_ANALOG_TV != f->type)
return -EINVAL;
if (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;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_S_REGISTER:
case VIDIOC_DBG_G_REGISTER:
i2c_clients_command(&mxb->i2c_adapter, cmd, arg);
return 0;
#endif
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, VIDIOC_INT_S_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, VIDIOC_INT_S_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,
static int mxb_probe(struct saa7146_dev* dev)
{
struct mxb* mxb = NULL;
int result;
if ((result = request_module("saa7111")) < 0) {
printk("mxb: saa7111 i2c module not available.\n");
return -ENODEV;
}
if ((result = request_module("tea6420")) < 0) {
printk("mxb: tea6420 i2c module not available.\n");
return -ENODEV;
}
if ((result = request_module("tea6415c")) < 0) {
printk("mxb: tea6415c i2c module not available.\n");
return -ENODEV;
}
if ((result = request_module("tda9840")) < 0) {
printk("mxb: tda9840 i2c module not available.\n");
return -ENODEV;
}
if ((result = request_module("tuner")) < 0) {
printk("mxb: tuner i2c module not available.\n");
return -ENODEV;
}
mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
if( NULL == mxb ) {
DEB_D(("not enough kernel memory.\n"));
return -ENOMEM;
}
mxb->i2c_adapter = (struct i2c_adapter) {
.class = I2C_CLASS_TV_ANALOG,
.name = "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 */
device_for_each_child(&mxb->i2c_adapter.dev, mxb, mxb_check_clients);
/* check if all devices are present */
if (!mxb->tea6420_1 || !mxb->tea6420_2 || !mxb->tea6415c ||
!mxb->tda9840 || !mxb->saa7111a || !mxb->tuner) {
printk("mxb: did not find all i2c devices. aborting\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 */
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 const unsigned char mxb_saa7111_init[] = {
0x00, 0x00, /* 00 - ID byte */
0x01, 0x00, /* 01 - reserved */
/*front end */
0x02, 0xd8, /* 02 - FUSE=x, GUDL=x, MODE=x */
0x03, 0x23, /* 03 - HLNRS=0, VBSL=1, WPOFF=0, HOLDG=0, GAFIX=0, GAI1=256, GAI2=256 */
0x04, 0x00, /* 04 - GAI1=256 */
0x05, 0x00, /* 05 - GAI2=256 */
/* decoder */
0x06, 0xf0, /* 06 - HSB at xx(50Hz) / xx(60Hz) pixels after end of last line */
0x07, 0x30, /* 07 - HSS at xx(50Hz) / xx(60Hz) pixels after end of last line */
0x08, 0xa8, /* 08 - AUFD=x, FSEL=x, EXFIL=x, VTRC=x, HPLL=x, VNOI=x */
0x09, 0x02, /* 09 - BYPS=x, PREF=x, BPSS=x, VBLB=x, UPTCV=x, APER=x */
0x0a, 0x80, /* 0a - BRIG=128 */
0x0b, 0x47, /* 0b - CONT=1.109 */
0x0c, 0x40, /* 0c - SATN=1.0 */
0x0d, 0x00, /* 0d - HUE=0 */
0x0e, 0x01, /* 0e - CDTO=0, CSTD=0, DCCF=0, FCTC=0, CHBW=1 */
0x0f, 0x00, /* 0f - reserved */
0x10, 0xd0, /* 10 - OFTS=x, HDEL=x, VRLN=x, YDEL=x */
0x11, 0x8c, /* 11 - GPSW=x, CM99=x, FECO=x, COMPO=x, OEYC=1, OEHV=1, VIPB=0, COLO=0 */
0x12, 0x80, /* 12 - xx output control 2 */
0x13, 0x30, /* 13 - xx output control 3 */
0x14, 0x00, /* 14 - reserved */
0x15, 0x15, /* 15 - VBI */
0x16, 0x04, /* 16 - VBI */
0x17, 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 video_decoder_init init;
struct i2c_msg msg;
struct tuner_setup tun_setup;
v4l2_std_id std = V4L2_STD_PAL_BG;
int i = 0, err = 0;
struct tea6415c_multiplex vm;
/* select video mode in saa7111a */
i = VIDEO_MODE_PAL;
/* fixme: currently pointless: gets overwritten by configuration below */
mxb->saa7111a->driver->command(mxb->saa7111a,DECODER_SET_NORM, &i);
/* write configuration to saa7111a */
init.data = mxb_saa7111_init;
init.len = sizeof(mxb_saa7111_init);
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 *std)
{
struct mxb* mxb = (struct mxb*)dev->ext_priv;
int zero = 0;
int one = 1;
if(V4L2_STD_PAL_I == std->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,
/* fixme: add vbi stuff here */
static int dpc_probe(struct saa7146_dev* dev)
{
struct dpc* dpc = NULL;
dpc = kzalloc(sizeof(struct dpc), GFP_KERNEL);
if( NULL == dpc ) {
printk("dpc_v4l2.o: dpc_probe: not enough kernel memory.\n");
return -ENOMEM;
}
/* FIXME: enable i2c-port pins, video-port-pins
video port pins should be enabled here ?! */
saa7146_write(dev, MC1, (MASK_08 | MASK_24 | MASK_10 | MASK_26));
dpc->i2c_adapter = (struct i2c_adapter) {
.class = I2C_CLASS_TV_ANALOG,
.name = "dpc7146",
};
saa7146_i2c_adapter_prepare(dev, &dpc->i2c_adapter, SAA7146_I2C_BUS_BIT_RATE_480);
if(i2c_add_adapter(&dpc->i2c_adapter) < 0) {
DEB_S(("cannot register i2c-device. skipping.\n"));
kfree(dpc);
return -EFAULT;
}
/* loop through all i2c-devices on the bus and look who is there */
device_for_each_child(&dpc->i2c_adapter.dev, dpc, dpc_check_clients);
/* check if all devices are present */
if (!dpc->saa7111a) {
DEB_D(("dpc_v4l2.o: dpc_attach failed for this device.\n"));
i2c_del_adapter(&dpc->i2c_adapter);
kfree(dpc);
return -ENODEV;
}
/* all devices are present, probe was successful */
DEB_D(("dpc_v4l2.o: dpc_probe succeeded for this device.\n"));
/* we store the pointer in our private data field */
dev->ext_priv = dpc;
return 0;
}
/* 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 dpc_init_done(struct saa7146_dev* dev)
{
struct dpc* dpc = (struct dpc*)dev->ext_priv;
DEB_D(("dpc_v4l2.o: dpc_init_done called.\n"));
/* initialize the helper ics to useful values */
i2c_smbus_write_byte_data(dpc->saa7111a, 0x00, 0x11);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x02, 0xc0);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x03, 0x30);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x04, 0x00);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x05, 0x00);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x06, 0xde);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x07, 0xad);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x08, 0xa8);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x09, 0x00);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x0a, 0x80);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x0b, 0x47);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x0c, 0x40);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x0d, 0x00);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x0e, 0x03);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x10, 0xd0);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x11, 0x1c);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x12, 0xc1);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x13, 0x30);
i2c_smbus_write_byte_data(dpc->saa7111a, 0x1f, 0x81);
return 0;
}
static struct saa7146_ext_vv vv_data;
/* this function only gets called when the probing was successful */
static int dpc_attach(struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
{
struct dpc* dpc = (struct dpc*)dev->ext_priv;
DEB_D(("dpc_v4l2.o: dpc_attach called.\n"));
/* checking for i2c-devices can be omitted here, because we
already did this in "dpc_vl42_probe" */
saa7146_vv_init(dev,&vv_data);
if( 0 != saa7146_register_device(&dpc->video_dev, dev, "dpc", 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 != DPC_BOARD_CAN_DO_VBI(dev)) {
if( 0 != saa7146_register_device(&dpc->vbi_dev, dev, "dpc", VFL_TYPE_VBI)) {
ERR(("cannot register vbi v4l2 device. skipping.\n"));
}
}
i2c_use_client(dpc->saa7111a);
printk("dpc: found 'dpc7146 demonstration board'-%d.\n",dpc_num);
dpc_num++;
/* the rest */
dpc->cur_input = 0;
dpc_init_done(dev);
return 0;
}
static int dpc_detach(struct saa7146_dev* dev)
{
struct dpc* dpc = (struct dpc*)dev->ext_priv;
DEB_EE(("dev:%p\n",dev));
i2c_release_client(dpc->saa7111a);
saa7146_unregister_device(&dpc->video_dev,dev);
if( 0 != DPC_BOARD_CAN_DO_VBI(dev)) {
saa7146_unregister_device(&dpc->vbi_dev,dev);
}
saa7146_vv_release(dev);
dpc_num--;
i2c_del_adapter(&dpc->i2c_adapter);
kfree(dpc);
return 0;
}
#ifdef axa
int dpc_vbi_bypass(struct saa7146_dev* dev)
{
struct dpc* dpc = (struct dpc*)dev->ext_priv;
int i = 1;
/* switch bypass in saa7111a */
if ( 0 != dpc->saa7111a->driver->command(dpc->saa7111a,SAA711X_VBI_BYPASS, &i)) {
printk("dpc_v4l2.o: VBI_BYPASS: could not address saa7111a.\n");
return -1;
}
return 0;
}
#endif
static int dpc_ioctl(struct saa7146_fh *fh, unsigned int cmd, void *arg)
{
struct saa7146_dev *dev = fh->dev;
struct dpc* dpc = (struct dpc*)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 >= DPC_INPUTS) {
return -EINVAL;
}
memcpy(i, &dpc_inputs[i->index], sizeof(struct v4l2_input));
DEB_D(("dpc_v4l2.o: v4l2_ioctl: VIDIOC_ENUMINPUT %d.\n",i->index));
return 0;
}
case VIDIOC_G_INPUT:
{
int *input = (int *)arg;
*input = dpc->cur_input;
DEB_D(("dpc_v4l2.o: VIDIOC_G_INPUT: %d\n",*input));
return 0;
}
case VIDIOC_S_INPUT:
{
int input = *(int *)arg;
if (input < 0 || input >= DPC_INPUTS) {
return -EINVAL;
}
dpc->cur_input = input;
/* fixme: switch input here, switch audio, too! */
// saa7146_set_hps_source_and_sync(dev, input_port_selection[input].hps_source, input_port_selection[input].hps_sync);
printk("dpc_v4l2.o: VIDIOC_S_INPUT: fixme switch input.\n");
return 0;
}
default:
/*
DEB_D(("dpc_v4l2.o: v4l2_ioctl does not handle this ioctl.\n"));
*/
return -ENOIOCTLCMD;
}
return 0;
}
static int std_callback(struct saa7146_dev* dev, struct saa7146_standard *std)
{
return 0;
}
static struct saa7146_standard standard[] = {
{
.name = "PAL", .id = V4L2_STD_PAL,
.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,
