// SPDX-License-Identifier: GPL-2.0-or-later
|
/*
|
* Auvitek AU0828 USB Bridge (Analog video support)
|
*
|
* Copyright (C) 2009 Devin Heitmueller <dheitmueller@linuxtv.org>
|
* Copyright (C) 2005-2008 Auvitek International, Ltd.
|
*/
|
|
/* Developer Notes:
|
*
|
* The hardware scaler supported is unimplemented
|
* AC97 audio support is unimplemented (only i2s audio mode)
|
*
|
*/
|
|
#include "au0828.h"
|
#include "au8522.h"
|
|
#include <linux/module.h>
|
#include <linux/slab.h>
|
#include <linux/init.h>
|
#include <linux/device.h>
|
#include <media/v4l2-common.h>
|
#include <media/v4l2-mc.h>
|
#include <media/v4l2-ioctl.h>
|
#include <media/v4l2-event.h>
|
#include <media/tuner.h>
|
#include "au0828-reg.h"
|
|
static DEFINE_MUTEX(au0828_sysfs_lock);
|
|
/* ------------------------------------------------------------------
|
Videobuf operations
|
------------------------------------------------------------------*/
|
|
static unsigned int isoc_debug;
|
module_param(isoc_debug, int, 0644);
|
MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
|
|
#define au0828_isocdbg(fmt, arg...) \
|
do {\
|
if (isoc_debug) { \
|
pr_info("au0828 %s :"fmt, \
|
__func__ , ##arg); \
|
} \
|
} while (0)
|
|
static inline void i2c_gate_ctrl(struct au0828_dev *dev, int val)
|
{
|
if (dev->dvb.frontend && dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl)
|
dev->dvb.frontend->ops.analog_ops.i2c_gate_ctrl(dev->dvb.frontend, val);
|
}
|
|
static inline void print_err_status(struct au0828_dev *dev,
|
int packet, int status)
|
{
|
char *errmsg = "Unknown";
|
|
switch (status) {
|
case -ENOENT:
|
errmsg = "unlinked synchronously";
|
break;
|
case -ECONNRESET:
|
errmsg = "unlinked asynchronously";
|
break;
|
case -ENOSR:
|
errmsg = "Buffer error (overrun)";
|
break;
|
case -EPIPE:
|
errmsg = "Stalled (device not responding)";
|
break;
|
case -EOVERFLOW:
|
errmsg = "Babble (bad cable?)";
|
break;
|
case -EPROTO:
|
errmsg = "Bit-stuff error (bad cable?)";
|
break;
|
case -EILSEQ:
|
errmsg = "CRC/Timeout (could be anything)";
|
break;
|
case -ETIME:
|
errmsg = "Device does not respond";
|
break;
|
}
|
if (packet < 0) {
|
au0828_isocdbg("URB status %d [%s].\n", status, errmsg);
|
} else {
|
au0828_isocdbg("URB packet %d, status %d [%s].\n",
|
packet, status, errmsg);
|
}
|
}
|
|
static int check_dev(struct au0828_dev *dev)
|
{
|
if (test_bit(DEV_DISCONNECTED, &dev->dev_state)) {
|
pr_info("v4l2 ioctl: device not present\n");
|
return -ENODEV;
|
}
|
|
if (test_bit(DEV_MISCONFIGURED, &dev->dev_state)) {
|
pr_info("v4l2 ioctl: device is misconfigured; close and open it again\n");
|
return -EIO;
|
}
|
return 0;
|
}
|
|
/*
|
* IRQ callback, called by URB callback
|
*/
|
static void au0828_irq_callback(struct urb *urb)
|
{
|
struct au0828_dmaqueue *dma_q = urb->context;
|
struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq);
|
unsigned long flags = 0;
|
int i;
|
|
switch (urb->status) {
|
case 0: /* success */
|
case -ETIMEDOUT: /* NAK */
|
break;
|
case -ECONNRESET: /* kill */
|
case -ENOENT:
|
case -ESHUTDOWN:
|
au0828_isocdbg("au0828_irq_callback called: status kill\n");
|
return;
|
default: /* unknown error */
|
au0828_isocdbg("urb completion error %d.\n", urb->status);
|
break;
|
}
|
|
/* Copy data from URB */
|
spin_lock_irqsave(&dev->slock, flags);
|
dev->isoc_ctl.isoc_copy(dev, urb);
|
spin_unlock_irqrestore(&dev->slock, flags);
|
|
/* Reset urb buffers */
|
for (i = 0; i < urb->number_of_packets; i++) {
|
urb->iso_frame_desc[i].status = 0;
|
urb->iso_frame_desc[i].actual_length = 0;
|
}
|
urb->status = 0;
|
|
urb->status = usb_submit_urb(urb, GFP_ATOMIC);
|
if (urb->status) {
|
au0828_isocdbg("urb resubmit failed (error=%i)\n",
|
urb->status);
|
}
|
dev->stream_state = STREAM_ON;
|
}
|
|
/*
|
* Stop and Deallocate URBs
|
*/
|
static void au0828_uninit_isoc(struct au0828_dev *dev)
|
{
|
struct urb *urb;
|
int i;
|
|
au0828_isocdbg("au0828: called au0828_uninit_isoc\n");
|
|
dev->isoc_ctl.nfields = -1;
|
for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
|
urb = dev->isoc_ctl.urb[i];
|
if (urb) {
|
if (!irqs_disabled())
|
usb_kill_urb(urb);
|
else
|
usb_unlink_urb(urb);
|
|
if (dev->isoc_ctl.transfer_buffer[i]) {
|
usb_free_coherent(dev->usbdev,
|
urb->transfer_buffer_length,
|
dev->isoc_ctl.transfer_buffer[i],
|
urb->transfer_dma);
|
}
|
usb_free_urb(urb);
|
dev->isoc_ctl.urb[i] = NULL;
|
}
|
dev->isoc_ctl.transfer_buffer[i] = NULL;
|
}
|
|
kfree(dev->isoc_ctl.urb);
|
kfree(dev->isoc_ctl.transfer_buffer);
|
|
dev->isoc_ctl.urb = NULL;
|
dev->isoc_ctl.transfer_buffer = NULL;
|
dev->isoc_ctl.num_bufs = 0;
|
|
dev->stream_state = STREAM_OFF;
|
}
|
|
/*
|
* Allocate URBs and start IRQ
|
*/
|
static int au0828_init_isoc(struct au0828_dev *dev, int max_packets,
|
int num_bufs, int max_pkt_size,
|
int (*isoc_copy) (struct au0828_dev *dev, struct urb *urb))
|
{
|
struct au0828_dmaqueue *dma_q = &dev->vidq;
|
int i;
|
int sb_size, pipe;
|
struct urb *urb;
|
int j, k;
|
int rc;
|
|
au0828_isocdbg("au0828: called au0828_prepare_isoc\n");
|
|
dev->isoc_ctl.isoc_copy = isoc_copy;
|
dev->isoc_ctl.num_bufs = num_bufs;
|
|
dev->isoc_ctl.urb = kcalloc(num_bufs, sizeof(void *), GFP_KERNEL);
|
if (!dev->isoc_ctl.urb) {
|
au0828_isocdbg("cannot alloc memory for usb buffers\n");
|
return -ENOMEM;
|
}
|
|
dev->isoc_ctl.transfer_buffer = kcalloc(num_bufs, sizeof(void *),
|
GFP_KERNEL);
|
if (!dev->isoc_ctl.transfer_buffer) {
|
au0828_isocdbg("cannot allocate memory for usb transfer\n");
|
kfree(dev->isoc_ctl.urb);
|
return -ENOMEM;
|
}
|
|
dev->isoc_ctl.max_pkt_size = max_pkt_size;
|
dev->isoc_ctl.buf = NULL;
|
|
sb_size = max_packets * dev->isoc_ctl.max_pkt_size;
|
|
/* allocate urbs and transfer buffers */
|
for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
|
urb = usb_alloc_urb(max_packets, GFP_KERNEL);
|
if (!urb) {
|
au0828_uninit_isoc(dev);
|
return -ENOMEM;
|
}
|
dev->isoc_ctl.urb[i] = urb;
|
|
dev->isoc_ctl.transfer_buffer[i] = usb_alloc_coherent(dev->usbdev,
|
sb_size, GFP_KERNEL, &urb->transfer_dma);
|
if (!dev->isoc_ctl.transfer_buffer[i]) {
|
printk("unable to allocate %i bytes for transfer buffer %i%s\n",
|
sb_size, i,
|
in_interrupt() ? " while in int" : "");
|
au0828_uninit_isoc(dev);
|
return -ENOMEM;
|
}
|
memset(dev->isoc_ctl.transfer_buffer[i], 0, sb_size);
|
|
pipe = usb_rcvisocpipe(dev->usbdev,
|
dev->isoc_in_endpointaddr),
|
|
usb_fill_int_urb(urb, dev->usbdev, pipe,
|
dev->isoc_ctl.transfer_buffer[i], sb_size,
|
au0828_irq_callback, dma_q, 1);
|
|
urb->number_of_packets = max_packets;
|
urb->transfer_flags = URB_ISO_ASAP | URB_NO_TRANSFER_DMA_MAP;
|
|
k = 0;
|
for (j = 0; j < max_packets; j++) {
|
urb->iso_frame_desc[j].offset = k;
|
urb->iso_frame_desc[j].length =
|
dev->isoc_ctl.max_pkt_size;
|
k += dev->isoc_ctl.max_pkt_size;
|
}
|
}
|
|
/* submit urbs and enables IRQ */
|
for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
|
rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC);
|
if (rc) {
|
au0828_isocdbg("submit of urb %i failed (error=%i)\n",
|
i, rc);
|
au0828_uninit_isoc(dev);
|
return rc;
|
}
|
}
|
|
return 0;
|
}
|
|
/*
|
* Announces that a buffer were filled and request the next
|
*/
|
static inline void buffer_filled(struct au0828_dev *dev,
|
struct au0828_dmaqueue *dma_q,
|
struct au0828_buffer *buf)
|
{
|
struct vb2_v4l2_buffer *vb = &buf->vb;
|
struct vb2_queue *q = vb->vb2_buf.vb2_queue;
|
|
/* Advice that buffer was filled */
|
au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field);
|
|
if (q->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
vb->sequence = dev->frame_count++;
|
else
|
vb->sequence = dev->vbi_frame_count++;
|
|
vb->field = V4L2_FIELD_INTERLACED;
|
vb->vb2_buf.timestamp = ktime_get_ns();
|
vb2_buffer_done(&vb->vb2_buf, VB2_BUF_STATE_DONE);
|
}
|
|
/*
|
* Identify the buffer header type and properly handles
|
*/
|
static void au0828_copy_video(struct au0828_dev *dev,
|
struct au0828_dmaqueue *dma_q,
|
struct au0828_buffer *buf,
|
unsigned char *p,
|
unsigned char *outp, unsigned long len)
|
{
|
void *fieldstart, *startwrite, *startread;
|
int linesdone, currlinedone, offset, lencopy, remain;
|
int bytesperline = dev->width << 1; /* Assumes 16-bit depth @@@@ */
|
|
if (len == 0)
|
return;
|
|
if (dma_q->pos + len > buf->length)
|
len = buf->length - dma_q->pos;
|
|
startread = p;
|
remain = len;
|
|
/* Interlaces frame */
|
if (buf->top_field)
|
fieldstart = outp;
|
else
|
fieldstart = outp + bytesperline;
|
|
linesdone = dma_q->pos / bytesperline;
|
currlinedone = dma_q->pos % bytesperline;
|
offset = linesdone * bytesperline * 2 + currlinedone;
|
startwrite = fieldstart + offset;
|
lencopy = bytesperline - currlinedone;
|
lencopy = lencopy > remain ? remain : lencopy;
|
|
if ((char *)startwrite + lencopy > (char *)outp + buf->length) {
|
au0828_isocdbg("Overflow of %zi bytes past buffer end (1)\n",
|
((char *)startwrite + lencopy) -
|
((char *)outp + buf->length));
|
remain = (char *)outp + buf->length - (char *)startwrite;
|
lencopy = remain;
|
}
|
if (lencopy <= 0)
|
return;
|
memcpy(startwrite, startread, lencopy);
|
|
remain -= lencopy;
|
|
while (remain > 0) {
|
startwrite += lencopy + bytesperline;
|
startread += lencopy;
|
if (bytesperline > remain)
|
lencopy = remain;
|
else
|
lencopy = bytesperline;
|
|
if ((char *)startwrite + lencopy > (char *)outp +
|
buf->length) {
|
au0828_isocdbg("Overflow %zi bytes past buf end (2)\n",
|
((char *)startwrite + lencopy) -
|
((char *)outp + buf->length));
|
lencopy = remain = (char *)outp + buf->length -
|
(char *)startwrite;
|
}
|
if (lencopy <= 0)
|
break;
|
|
memcpy(startwrite, startread, lencopy);
|
|
remain -= lencopy;
|
}
|
|
if (offset > 1440) {
|
/* We have enough data to check for greenscreen */
|
if (outp[0] < 0x60 && outp[1440] < 0x60)
|
dev->greenscreen_detected = 1;
|
}
|
|
dma_q->pos += len;
|
}
|
|
/*
|
* video-buf generic routine to get the next available buffer
|
*/
|
static inline void get_next_buf(struct au0828_dmaqueue *dma_q,
|
struct au0828_buffer **buf)
|
{
|
struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vidq);
|
|
if (list_empty(&dma_q->active)) {
|
au0828_isocdbg("No active queue to serve\n");
|
dev->isoc_ctl.buf = NULL;
|
*buf = NULL;
|
return;
|
}
|
|
/* Get the next buffer */
|
*buf = list_entry(dma_q->active.next, struct au0828_buffer, list);
|
/* Cleans up buffer - Useful for testing for frame/URB loss */
|
list_del(&(*buf)->list);
|
dma_q->pos = 0;
|
(*buf)->vb_buf = (*buf)->mem;
|
dev->isoc_ctl.buf = *buf;
|
|
return;
|
}
|
|
static void au0828_copy_vbi(struct au0828_dev *dev,
|
struct au0828_dmaqueue *dma_q,
|
struct au0828_buffer *buf,
|
unsigned char *p,
|
unsigned char *outp, unsigned long len)
|
{
|
unsigned char *startwrite, *startread;
|
int bytesperline;
|
int i, j = 0;
|
|
if (dev == NULL) {
|
au0828_isocdbg("dev is null\n");
|
return;
|
}
|
|
if (dma_q == NULL) {
|
au0828_isocdbg("dma_q is null\n");
|
return;
|
}
|
if (buf == NULL)
|
return;
|
if (p == NULL) {
|
au0828_isocdbg("p is null\n");
|
return;
|
}
|
if (outp == NULL) {
|
au0828_isocdbg("outp is null\n");
|
return;
|
}
|
|
bytesperline = dev->vbi_width;
|
|
if (dma_q->pos + len > buf->length)
|
len = buf->length - dma_q->pos;
|
|
startread = p;
|
startwrite = outp + (dma_q->pos / 2);
|
|
/* Make sure the bottom field populates the second half of the frame */
|
if (buf->top_field == 0)
|
startwrite += bytesperline * dev->vbi_height;
|
|
for (i = 0; i < len; i += 2)
|
startwrite[j++] = startread[i+1];
|
|
dma_q->pos += len;
|
}
|
|
|
/*
|
* video-buf generic routine to get the next available VBI buffer
|
*/
|
static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q,
|
struct au0828_buffer **buf)
|
{
|
struct au0828_dev *dev = container_of(dma_q, struct au0828_dev, vbiq);
|
|
if (list_empty(&dma_q->active)) {
|
au0828_isocdbg("No active queue to serve\n");
|
dev->isoc_ctl.vbi_buf = NULL;
|
*buf = NULL;
|
return;
|
}
|
|
/* Get the next buffer */
|
*buf = list_entry(dma_q->active.next, struct au0828_buffer, list);
|
/* Cleans up buffer - Useful for testing for frame/URB loss */
|
list_del(&(*buf)->list);
|
dma_q->pos = 0;
|
(*buf)->vb_buf = (*buf)->mem;
|
dev->isoc_ctl.vbi_buf = *buf;
|
return;
|
}
|
|
/*
|
* Controls the isoc copy of each urb packet
|
*/
|
static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb)
|
{
|
struct au0828_buffer *buf;
|
struct au0828_buffer *vbi_buf;
|
struct au0828_dmaqueue *dma_q = urb->context;
|
struct au0828_dmaqueue *vbi_dma_q = &dev->vbiq;
|
unsigned char *outp = NULL;
|
unsigned char *vbioutp = NULL;
|
int i, len = 0, rc = 1;
|
unsigned char *p;
|
unsigned char fbyte;
|
unsigned int vbi_field_size;
|
unsigned int remain, lencopy;
|
|
if (!dev)
|
return 0;
|
|
if (test_bit(DEV_DISCONNECTED, &dev->dev_state) ||
|
test_bit(DEV_MISCONFIGURED, &dev->dev_state))
|
return 0;
|
|
if (urb->status < 0) {
|
print_err_status(dev, -1, urb->status);
|
if (urb->status == -ENOENT)
|
return 0;
|
}
|
|
buf = dev->isoc_ctl.buf;
|
if (buf != NULL)
|
outp = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
|
|
vbi_buf = dev->isoc_ctl.vbi_buf;
|
if (vbi_buf != NULL)
|
vbioutp = vb2_plane_vaddr(&vbi_buf->vb.vb2_buf, 0);
|
|
for (i = 0; i < urb->number_of_packets; i++) {
|
int status = urb->iso_frame_desc[i].status;
|
|
if (status < 0) {
|
print_err_status(dev, i, status);
|
if (urb->iso_frame_desc[i].status != -EPROTO)
|
continue;
|
}
|
|
if (urb->iso_frame_desc[i].actual_length <= 0)
|
continue;
|
|
if (urb->iso_frame_desc[i].actual_length >
|
dev->max_pkt_size) {
|
au0828_isocdbg("packet bigger than packet size");
|
continue;
|
}
|
|
p = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
|
fbyte = p[0];
|
len = urb->iso_frame_desc[i].actual_length - 4;
|
p += 4;
|
|
if (fbyte & 0x80) {
|
len -= 4;
|
p += 4;
|
au0828_isocdbg("Video frame %s\n",
|
(fbyte & 0x40) ? "odd" : "even");
|
if (fbyte & 0x40) {
|
/* VBI */
|
if (vbi_buf != NULL)
|
buffer_filled(dev, vbi_dma_q, vbi_buf);
|
vbi_get_next_buf(vbi_dma_q, &vbi_buf);
|
if (vbi_buf == NULL)
|
vbioutp = NULL;
|
else
|
vbioutp = vb2_plane_vaddr(
|
&vbi_buf->vb.vb2_buf, 0);
|
|
/* Video */
|
if (buf != NULL)
|
buffer_filled(dev, dma_q, buf);
|
get_next_buf(dma_q, &buf);
|
if (buf == NULL)
|
outp = NULL;
|
else
|
outp = vb2_plane_vaddr(
|
&buf->vb.vb2_buf, 0);
|
|
/* As long as isoc traffic is arriving, keep
|
resetting the timer */
|
if (dev->vid_timeout_running)
|
mod_timer(&dev->vid_timeout,
|
jiffies + (HZ / 10));
|
if (dev->vbi_timeout_running)
|
mod_timer(&dev->vbi_timeout,
|
jiffies + (HZ / 10));
|
}
|
|
if (buf != NULL) {
|
if (fbyte & 0x40)
|
buf->top_field = 1;
|
else
|
buf->top_field = 0;
|
}
|
|
if (vbi_buf != NULL) {
|
if (fbyte & 0x40)
|
vbi_buf->top_field = 1;
|
else
|
vbi_buf->top_field = 0;
|
}
|
|
dev->vbi_read = 0;
|
vbi_dma_q->pos = 0;
|
dma_q->pos = 0;
|
}
|
|
vbi_field_size = dev->vbi_width * dev->vbi_height * 2;
|
if (dev->vbi_read < vbi_field_size) {
|
remain = vbi_field_size - dev->vbi_read;
|
if (len < remain)
|
lencopy = len;
|
else
|
lencopy = remain;
|
|
if (vbi_buf != NULL)
|
au0828_copy_vbi(dev, vbi_dma_q, vbi_buf, p,
|
vbioutp, len);
|
|
len -= lencopy;
|
p += lencopy;
|
dev->vbi_read += lencopy;
|
}
|
|
if (dev->vbi_read >= vbi_field_size && buf != NULL)
|
au0828_copy_video(dev, dma_q, buf, p, outp, len);
|
}
|
return rc;
|
}
|
|
void au0828_usb_v4l2_media_release(struct au0828_dev *dev)
|
{
|
#ifdef CONFIG_MEDIA_CONTROLLER
|
int i;
|
|
for (i = 0; i < AU0828_MAX_INPUT; i++) {
|
if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED)
|
return;
|
media_device_unregister_entity(&dev->input_ent[i]);
|
}
|
#endif
|
}
|
|
static void au0828_usb_v4l2_release(struct v4l2_device *v4l2_dev)
|
{
|
struct au0828_dev *dev =
|
container_of(v4l2_dev, struct au0828_dev, v4l2_dev);
|
|
v4l2_ctrl_handler_free(&dev->v4l2_ctrl_hdl);
|
v4l2_device_unregister(&dev->v4l2_dev);
|
au0828_usb_v4l2_media_release(dev);
|
au0828_usb_release(dev);
|
}
|
|
int au0828_v4l2_device_register(struct usb_interface *interface,
|
struct au0828_dev *dev)
|
{
|
int retval;
|
|
if (AUVI_INPUT(0).type == AU0828_VMUX_UNDEFINED)
|
return 0;
|
|
/* Create the v4l2_device */
|
#ifdef CONFIG_MEDIA_CONTROLLER
|
dev->v4l2_dev.mdev = dev->media_dev;
|
#endif
|
retval = v4l2_device_register(&interface->dev, &dev->v4l2_dev);
|
if (retval) {
|
pr_err("%s() v4l2_device_register failed\n",
|
__func__);
|
return retval;
|
}
|
|
dev->v4l2_dev.release = au0828_usb_v4l2_release;
|
|
/* This control handler will inherit the controls from au8522 */
|
retval = v4l2_ctrl_handler_init(&dev->v4l2_ctrl_hdl, 4);
|
if (retval) {
|
pr_err("%s() v4l2_ctrl_handler_init failed\n",
|
__func__);
|
return retval;
|
}
|
dev->v4l2_dev.ctrl_handler = &dev->v4l2_ctrl_hdl;
|
|
return 0;
|
}
|
|
static int queue_setup(struct vb2_queue *vq,
|
unsigned int *nbuffers, unsigned int *nplanes,
|
unsigned int sizes[], struct device *alloc_devs[])
|
{
|
struct au0828_dev *dev = vb2_get_drv_priv(vq);
|
unsigned long size = dev->height * dev->bytesperline;
|
|
if (*nplanes)
|
return sizes[0] < size ? -EINVAL : 0;
|
*nplanes = 1;
|
sizes[0] = size;
|
return 0;
|
}
|
|
static int
|
buffer_prepare(struct vb2_buffer *vb)
|
{
|
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
struct au0828_buffer *buf = container_of(vbuf,
|
struct au0828_buffer, vb);
|
struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
|
|
buf->length = dev->height * dev->bytesperline;
|
|
if (vb2_plane_size(vb, 0) < buf->length) {
|
pr_err("%s data will not fit into plane (%lu < %lu)\n",
|
__func__, vb2_plane_size(vb, 0), buf->length);
|
return -EINVAL;
|
}
|
vb2_set_plane_payload(&buf->vb.vb2_buf, 0, buf->length);
|
return 0;
|
}
|
|
static void
|
buffer_queue(struct vb2_buffer *vb)
|
{
|
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
|
struct au0828_buffer *buf = container_of(vbuf,
|
struct au0828_buffer,
|
vb);
|
struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue);
|
struct au0828_dmaqueue *vidq = &dev->vidq;
|
unsigned long flags = 0;
|
|
buf->mem = vb2_plane_vaddr(vb, 0);
|
buf->length = vb2_plane_size(vb, 0);
|
|
spin_lock_irqsave(&dev->slock, flags);
|
list_add_tail(&buf->list, &vidq->active);
|
spin_unlock_irqrestore(&dev->slock, flags);
|
}
|
|
static int au0828_i2s_init(struct au0828_dev *dev)
|
{
|
/* Enable i2s mode */
|
au0828_writereg(dev, AU0828_AUDIOCTRL_50C, 0x01);
|
return 0;
|
}
|
|
/*
|
* Auvitek au0828 analog stream enable
|
*/
|
static int au0828_analog_stream_enable(struct au0828_dev *d)
|
{
|
struct usb_interface *iface;
|
int ret, h, w;
|
|
dprintk(1, "au0828_analog_stream_enable called\n");
|
|
if (test_bit(DEV_DISCONNECTED, &d->dev_state))
|
return -ENODEV;
|
|
iface = usb_ifnum_to_if(d->usbdev, 0);
|
if (iface && iface->cur_altsetting->desc.bAlternateSetting != 5) {
|
dprintk(1, "Changing intf#0 to alt 5\n");
|
/* set au0828 interface0 to AS5 here again */
|
ret = usb_set_interface(d->usbdev, 0, 5);
|
if (ret < 0) {
|
pr_info("Au0828 can't set alt setting to 5!\n");
|
return -EBUSY;
|
}
|
}
|
|
h = d->height / 2 + 2;
|
w = d->width * 2;
|
|
au0828_writereg(d, AU0828_SENSORCTRL_VBI_103, 0x00);
|
au0828_writereg(d, 0x106, 0x00);
|
/* set x position */
|
au0828_writereg(d, 0x110, 0x00);
|
au0828_writereg(d, 0x111, 0x00);
|
au0828_writereg(d, 0x114, w & 0xff);
|
au0828_writereg(d, 0x115, w >> 8);
|
/* set y position */
|
au0828_writereg(d, 0x112, 0x00);
|
au0828_writereg(d, 0x113, 0x00);
|
au0828_writereg(d, 0x116, h & 0xff);
|
au0828_writereg(d, 0x117, h >> 8);
|
au0828_writereg(d, AU0828_SENSORCTRL_100, 0xb3);
|
|
return 0;
|
}
|
|
static int au0828_analog_stream_disable(struct au0828_dev *d)
|
{
|
dprintk(1, "au0828_analog_stream_disable called\n");
|
au0828_writereg(d, AU0828_SENSORCTRL_100, 0x0);
|
return 0;
|
}
|
|
static void au0828_analog_stream_reset(struct au0828_dev *dev)
|
{
|
dprintk(1, "au0828_analog_stream_reset called\n");
|
au0828_writereg(dev, AU0828_SENSORCTRL_100, 0x0);
|
mdelay(30);
|
au0828_writereg(dev, AU0828_SENSORCTRL_100, 0xb3);
|
}
|
|
/*
|
* Some operations needs to stop current streaming
|
*/
|
static int au0828_stream_interrupt(struct au0828_dev *dev)
|
{
|
dev->stream_state = STREAM_INTERRUPT;
|
if (test_bit(DEV_DISCONNECTED, &dev->dev_state))
|
return -ENODEV;
|
return 0;
|
}
|
|
int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count)
|
{
|
struct au0828_dev *dev = vb2_get_drv_priv(vq);
|
int rc = 0;
|
|
dprintk(1, "au0828_start_analog_streaming called %d\n",
|
dev->streaming_users);
|
|
if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
dev->frame_count = 0;
|
else
|
dev->vbi_frame_count = 0;
|
|
if (dev->streaming_users == 0) {
|
/* If we were doing ac97 instead of i2s, it would go here...*/
|
au0828_i2s_init(dev);
|
rc = au0828_init_isoc(dev, AU0828_ISO_PACKETS_PER_URB,
|
AU0828_MAX_ISO_BUFS, dev->max_pkt_size,
|
au0828_isoc_copy);
|
if (rc < 0) {
|
pr_info("au0828_init_isoc failed\n");
|
return rc;
|
}
|
|
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1);
|
|
if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
dev->vid_timeout_running = 1;
|
mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
|
} else if (vq->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
|
dev->vbi_timeout_running = 1;
|
mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10));
|
}
|
}
|
dev->streaming_users++;
|
return rc;
|
}
|
|
static void au0828_stop_streaming(struct vb2_queue *vq)
|
{
|
struct au0828_dev *dev = vb2_get_drv_priv(vq);
|
struct au0828_dmaqueue *vidq = &dev->vidq;
|
unsigned long flags = 0;
|
|
dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users);
|
|
if (dev->streaming_users-- == 1) {
|
au0828_uninit_isoc(dev);
|
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
|
}
|
|
dev->vid_timeout_running = 0;
|
del_timer_sync(&dev->vid_timeout);
|
|
spin_lock_irqsave(&dev->slock, flags);
|
if (dev->isoc_ctl.buf != NULL) {
|
vb2_buffer_done(&dev->isoc_ctl.buf->vb.vb2_buf,
|
VB2_BUF_STATE_ERROR);
|
dev->isoc_ctl.buf = NULL;
|
}
|
while (!list_empty(&vidq->active)) {
|
struct au0828_buffer *buf;
|
|
buf = list_entry(vidq->active.next, struct au0828_buffer, list);
|
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
|
list_del(&buf->list);
|
}
|
spin_unlock_irqrestore(&dev->slock, flags);
|
}
|
|
void au0828_stop_vbi_streaming(struct vb2_queue *vq)
|
{
|
struct au0828_dev *dev = vb2_get_drv_priv(vq);
|
struct au0828_dmaqueue *vbiq = &dev->vbiq;
|
unsigned long flags = 0;
|
|
dprintk(1, "au0828_stop_vbi_streaming called %d\n",
|
dev->streaming_users);
|
|
if (dev->streaming_users-- == 1) {
|
au0828_uninit_isoc(dev);
|
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0);
|
}
|
|
spin_lock_irqsave(&dev->slock, flags);
|
if (dev->isoc_ctl.vbi_buf != NULL) {
|
vb2_buffer_done(&dev->isoc_ctl.vbi_buf->vb.vb2_buf,
|
VB2_BUF_STATE_ERROR);
|
dev->isoc_ctl.vbi_buf = NULL;
|
}
|
while (!list_empty(&vbiq->active)) {
|
struct au0828_buffer *buf;
|
|
buf = list_entry(vbiq->active.next, struct au0828_buffer, list);
|
list_del(&buf->list);
|
vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
|
}
|
spin_unlock_irqrestore(&dev->slock, flags);
|
|
dev->vbi_timeout_running = 0;
|
del_timer_sync(&dev->vbi_timeout);
|
}
|
|
static const struct vb2_ops au0828_video_qops = {
|
.queue_setup = queue_setup,
|
.buf_prepare = buffer_prepare,
|
.buf_queue = buffer_queue,
|
.start_streaming = au0828_start_analog_streaming,
|
.stop_streaming = au0828_stop_streaming,
|
.wait_prepare = vb2_ops_wait_prepare,
|
.wait_finish = vb2_ops_wait_finish,
|
};
|
|
/* ------------------------------------------------------------------
|
V4L2 interface
|
------------------------------------------------------------------*/
|
/*
|
* au0828_analog_unregister
|
* unregister v4l2 devices
|
*/
|
int au0828_analog_unregister(struct au0828_dev *dev)
|
{
|
dprintk(1, "au0828_analog_unregister called\n");
|
|
/* No analog TV */
|
if (AUVI_INPUT(0).type == AU0828_VMUX_UNDEFINED)
|
return 0;
|
|
mutex_lock(&au0828_sysfs_lock);
|
vb2_video_unregister_device(&dev->vdev);
|
vb2_video_unregister_device(&dev->vbi_dev);
|
mutex_unlock(&au0828_sysfs_lock);
|
|
v4l2_device_disconnect(&dev->v4l2_dev);
|
v4l2_device_put(&dev->v4l2_dev);
|
|
return 1;
|
}
|
|
/* This function ensures that video frames continue to be delivered even if
|
the ITU-656 input isn't receiving any data (thereby preventing applications
|
such as tvtime from hanging) */
|
static void au0828_vid_buffer_timeout(struct timer_list *t)
|
{
|
struct au0828_dev *dev = from_timer(dev, t, vid_timeout);
|
struct au0828_dmaqueue *dma_q = &dev->vidq;
|
struct au0828_buffer *buf;
|
unsigned char *vid_data;
|
unsigned long flags = 0;
|
|
spin_lock_irqsave(&dev->slock, flags);
|
|
buf = dev->isoc_ctl.buf;
|
if (buf != NULL) {
|
vid_data = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
|
memset(vid_data, 0x00, buf->length); /* Blank green frame */
|
buffer_filled(dev, dma_q, buf);
|
}
|
get_next_buf(dma_q, &buf);
|
|
if (dev->vid_timeout_running == 1)
|
mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
|
|
spin_unlock_irqrestore(&dev->slock, flags);
|
}
|
|
static void au0828_vbi_buffer_timeout(struct timer_list *t)
|
{
|
struct au0828_dev *dev = from_timer(dev, t, vbi_timeout);
|
struct au0828_dmaqueue *dma_q = &dev->vbiq;
|
struct au0828_buffer *buf;
|
unsigned char *vbi_data;
|
unsigned long flags = 0;
|
|
spin_lock_irqsave(&dev->slock, flags);
|
|
buf = dev->isoc_ctl.vbi_buf;
|
if (buf != NULL) {
|
vbi_data = vb2_plane_vaddr(&buf->vb.vb2_buf, 0);
|
memset(vbi_data, 0x00, buf->length);
|
buffer_filled(dev, dma_q, buf);
|
}
|
vbi_get_next_buf(dma_q, &buf);
|
|
if (dev->vbi_timeout_running == 1)
|
mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10));
|
spin_unlock_irqrestore(&dev->slock, flags);
|
}
|
|
static int au0828_v4l2_open(struct file *filp)
|
{
|
struct au0828_dev *dev = video_drvdata(filp);
|
int ret;
|
|
dprintk(1,
|
"%s called std_set %d dev_state %ld stream users %d users %d\n",
|
__func__, dev->std_set_in_tuner_core, dev->dev_state,
|
dev->streaming_users, dev->users);
|
|
if (mutex_lock_interruptible(&dev->lock))
|
return -ERESTARTSYS;
|
|
ret = v4l2_fh_open(filp);
|
if (ret) {
|
au0828_isocdbg("%s: v4l2_fh_open() returned error %d\n",
|
__func__, ret);
|
mutex_unlock(&dev->lock);
|
return ret;
|
}
|
|
if (dev->users == 0) {
|
au0828_analog_stream_enable(dev);
|
au0828_analog_stream_reset(dev);
|
dev->stream_state = STREAM_OFF;
|
set_bit(DEV_INITIALIZED, &dev->dev_state);
|
}
|
dev->users++;
|
mutex_unlock(&dev->lock);
|
return ret;
|
}
|
|
static int au0828_v4l2_close(struct file *filp)
|
{
|
int ret;
|
struct au0828_dev *dev = video_drvdata(filp);
|
struct video_device *vdev = video_devdata(filp);
|
|
dprintk(1,
|
"%s called std_set %d dev_state %ld stream users %d users %d\n",
|
__func__, dev->std_set_in_tuner_core, dev->dev_state,
|
dev->streaming_users, dev->users);
|
|
mutex_lock(&dev->lock);
|
if (vdev->vfl_type == VFL_TYPE_VIDEO && dev->vid_timeout_running) {
|
/* Cancel timeout thread in case they didn't call streamoff */
|
dev->vid_timeout_running = 0;
|
del_timer_sync(&dev->vid_timeout);
|
} else if (vdev->vfl_type == VFL_TYPE_VBI &&
|
dev->vbi_timeout_running) {
|
/* Cancel timeout thread in case they didn't call streamoff */
|
dev->vbi_timeout_running = 0;
|
del_timer_sync(&dev->vbi_timeout);
|
}
|
|
if (test_bit(DEV_DISCONNECTED, &dev->dev_state))
|
goto end;
|
|
if (dev->users == 1) {
|
/*
|
* Avoid putting tuner in sleep if DVB or ALSA are
|
* streaming.
|
*
|
* On most USB devices like au0828 the tuner can
|
* be safely put in sleep state here if ALSA isn't
|
* streaming. Exceptions are some very old USB tuner
|
* models such as em28xx-based WinTV USB2 which have
|
* a separate audio output jack. The devices that have
|
* a separate audio output jack have analog tuners,
|
* like Philips FM1236. Those devices are always on,
|
* so the s_power callback are silently ignored.
|
* So, the current logic here does the following:
|
* Disable (put tuner to sleep) when
|
* - ALSA and DVB aren't streaming.
|
* - the last V4L2 file handler is closed.
|
*
|
* FIXME:
|
*
|
* Additionally, this logic could be improved to
|
* disable the media source if the above conditions
|
* are met and if the device:
|
* - doesn't have a separate audio out plug (or
|
* - doesn't use a silicon tuner like xc2028/3028/4000/5000).
|
*
|
* Once this additional logic is in place, a callback
|
* is needed to enable the media source and power on
|
* the tuner, for radio to work.
|
*/
|
ret = v4l_enable_media_source(vdev);
|
if (ret == 0)
|
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner,
|
standby);
|
dev->std_set_in_tuner_core = 0;
|
|
/* When close the device, set the usb intf0 into alt0 to free
|
USB bandwidth */
|
ret = usb_set_interface(dev->usbdev, 0, 0);
|
if (ret < 0)
|
pr_info("Au0828 can't set alternate to 0!\n");
|
}
|
end:
|
_vb2_fop_release(filp, NULL);
|
dev->users--;
|
mutex_unlock(&dev->lock);
|
return 0;
|
}
|
|
/* Must be called with dev->lock held */
|
static void au0828_init_tuner(struct au0828_dev *dev)
|
{
|
struct v4l2_frequency f = {
|
.frequency = dev->ctrl_freq,
|
.type = V4L2_TUNER_ANALOG_TV,
|
};
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
if (dev->std_set_in_tuner_core)
|
return;
|
dev->std_set_in_tuner_core = 1;
|
i2c_gate_ctrl(dev, 1);
|
/* If we've never sent the standard in tuner core, do so now.
|
We don't do this at device probe because we don't want to
|
incur the cost of a firmware load */
|
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_std, dev->std);
|
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, &f);
|
i2c_gate_ctrl(dev, 0);
|
}
|
|
static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd,
|
struct v4l2_format *format)
|
{
|
int ret;
|
int width = format->fmt.pix.width;
|
int height = format->fmt.pix.height;
|
|
/* If they are demanding a format other than the one we support,
|
bail out (tvtime asks for UYVY and then retries with YUYV) */
|
if (format->fmt.pix.pixelformat != V4L2_PIX_FMT_UYVY)
|
return -EINVAL;
|
|
/* format->fmt.pix.width only support 720 and height 480 */
|
if (width != 720)
|
width = 720;
|
if (height != 480)
|
height = 480;
|
|
format->fmt.pix.width = width;
|
format->fmt.pix.height = height;
|
format->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY;
|
format->fmt.pix.bytesperline = width * 2;
|
format->fmt.pix.sizeimage = width * height * 2;
|
format->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
|
format->fmt.pix.field = V4L2_FIELD_INTERLACED;
|
|
if (cmd == VIDIOC_TRY_FMT)
|
return 0;
|
|
/* maybe set new image format, driver current only support 720*480 */
|
dev->width = width;
|
dev->height = height;
|
dev->frame_size = width * height * 2;
|
dev->field_size = width * height;
|
dev->bytesperline = width * 2;
|
|
if (dev->stream_state == STREAM_ON) {
|
dprintk(1, "VIDIOC_SET_FMT: interrupting stream!\n");
|
ret = au0828_stream_interrupt(dev);
|
if (ret != 0) {
|
dprintk(1, "error interrupting video stream!\n");
|
return ret;
|
}
|
}
|
|
au0828_analog_stream_enable(dev);
|
|
return 0;
|
}
|
|
static int vidioc_querycap(struct file *file, void *priv,
|
struct v4l2_capability *cap)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
strscpy(cap->driver, "au0828", sizeof(cap->driver));
|
strscpy(cap->card, dev->board.name, sizeof(cap->card));
|
usb_make_path(dev->usbdev, cap->bus_info, sizeof(cap->bus_info));
|
|
/* set the device capabilities */
|
cap->capabilities =
|
V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
|
V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE | V4L2_CAP_VIDEO_CAPTURE |
|
V4L2_CAP_DEVICE_CAPS;
|
return 0;
|
}
|
|
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
|
struct v4l2_fmtdesc *f)
|
{
|
if (f->index)
|
return -EINVAL;
|
|
dprintk(1, "%s called\n", __func__);
|
|
f->pixelformat = V4L2_PIX_FMT_UYVY;
|
|
return 0;
|
}
|
|
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
f->fmt.pix.width = dev->width;
|
f->fmt.pix.height = dev->height;
|
f->fmt.pix.pixelformat = V4L2_PIX_FMT_UYVY;
|
f->fmt.pix.bytesperline = dev->bytesperline;
|
f->fmt.pix.sizeimage = dev->frame_size;
|
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; /* NTSC/PAL */
|
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
|
return 0;
|
}
|
|
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
return au0828_set_format(dev, VIDIOC_TRY_FMT, f);
|
}
|
|
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
|
struct v4l2_format *f)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
int rc;
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
rc = check_dev(dev);
|
if (rc < 0)
|
return rc;
|
|
if (vb2_is_busy(&dev->vb_vidq)) {
|
pr_info("%s queue busy\n", __func__);
|
rc = -EBUSY;
|
goto out;
|
}
|
|
rc = au0828_set_format(dev, VIDIOC_S_FMT, f);
|
out:
|
return rc;
|
}
|
|
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
if (norm == dev->std)
|
return 0;
|
|
if (dev->streaming_users > 0)
|
return -EBUSY;
|
|
dev->std = norm;
|
|
au0828_init_tuner(dev);
|
|
i2c_gate_ctrl(dev, 1);
|
|
/*
|
* FIXME: when we support something other than 60Hz standards,
|
* we are going to have to make the au0828 bridge adjust the size
|
* of its capture buffer, which is currently hardcoded at 720x480
|
*/
|
|
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_std, norm);
|
|
i2c_gate_ctrl(dev, 0);
|
|
return 0;
|
}
|
|
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
*norm = dev->std;
|
return 0;
|
}
|
|
static int vidioc_enum_input(struct file *file, void *priv,
|
struct v4l2_input *input)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
unsigned int tmp;
|
|
static const char *inames[] = {
|
[AU0828_VMUX_UNDEFINED] = "Undefined",
|
[AU0828_VMUX_COMPOSITE] = "Composite",
|
[AU0828_VMUX_SVIDEO] = "S-Video",
|
[AU0828_VMUX_CABLE] = "Cable TV",
|
[AU0828_VMUX_TELEVISION] = "Television",
|
[AU0828_VMUX_DVB] = "DVB",
|
};
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
tmp = input->index;
|
|
if (tmp >= AU0828_MAX_INPUT)
|
return -EINVAL;
|
if (AUVI_INPUT(tmp).type == 0)
|
return -EINVAL;
|
|
input->index = tmp;
|
strscpy(input->name, inames[AUVI_INPUT(tmp).type], sizeof(input->name));
|
if ((AUVI_INPUT(tmp).type == AU0828_VMUX_TELEVISION) ||
|
(AUVI_INPUT(tmp).type == AU0828_VMUX_CABLE)) {
|
input->type |= V4L2_INPUT_TYPE_TUNER;
|
input->audioset = 1;
|
} else {
|
input->type |= V4L2_INPUT_TYPE_CAMERA;
|
input->audioset = 2;
|
}
|
|
input->std = dev->vdev.tvnorms;
|
|
return 0;
|
}
|
|
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
*i = dev->ctrl_input;
|
return 0;
|
}
|
|
static void au0828_s_input(struct au0828_dev *dev, int index)
|
{
|
int i;
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
switch (AUVI_INPUT(index).type) {
|
case AU0828_VMUX_SVIDEO:
|
dev->input_type = AU0828_VMUX_SVIDEO;
|
dev->ctrl_ainput = 1;
|
break;
|
case AU0828_VMUX_COMPOSITE:
|
dev->input_type = AU0828_VMUX_COMPOSITE;
|
dev->ctrl_ainput = 1;
|
break;
|
case AU0828_VMUX_TELEVISION:
|
dev->input_type = AU0828_VMUX_TELEVISION;
|
dev->ctrl_ainput = 0;
|
break;
|
default:
|
dprintk(1, "unknown input type set [%d]\n",
|
AUVI_INPUT(index).type);
|
return;
|
}
|
|
dev->ctrl_input = index;
|
|
v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_routing,
|
AUVI_INPUT(index).vmux, 0, 0);
|
|
for (i = 0; i < AU0828_MAX_INPUT; i++) {
|
int enable = 0;
|
if (AUVI_INPUT(i).audio_setup == NULL)
|
continue;
|
|
if (i == index)
|
enable = 1;
|
else
|
enable = 0;
|
if (enable) {
|
(AUVI_INPUT(i).audio_setup)(dev, enable);
|
} else {
|
/* Make sure we leave it turned on if some
|
other input is routed to this callback */
|
if ((AUVI_INPUT(i).audio_setup) !=
|
((AUVI_INPUT(index).audio_setup))) {
|
(AUVI_INPUT(i).audio_setup)(dev, enable);
|
}
|
}
|
}
|
|
v4l2_device_call_all(&dev->v4l2_dev, 0, audio, s_routing,
|
AUVI_INPUT(index).amux, 0, 0);
|
}
|
|
static int vidioc_s_input(struct file *file, void *priv, unsigned int index)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
struct video_device *vfd = video_devdata(file);
|
|
dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__,
|
index);
|
if (index >= AU0828_MAX_INPUT)
|
return -EINVAL;
|
if (AUVI_INPUT(index).type == 0)
|
return -EINVAL;
|
|
if (dev->ctrl_input == index)
|
return 0;
|
|
au0828_s_input(dev, index);
|
|
/*
|
* Input has been changed. Disable the media source
|
* associated with the old input and enable source
|
* for the newly set input
|
*/
|
v4l_disable_media_source(vfd);
|
return v4l_enable_media_source(vfd);
|
}
|
|
static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a)
|
{
|
if (a->index > 1)
|
return -EINVAL;
|
|
dprintk(1, "%s called\n", __func__);
|
|
if (a->index == 0)
|
strscpy(a->name, "Television", sizeof(a->name));
|
else
|
strscpy(a->name, "Line in", sizeof(a->name));
|
|
a->capability = V4L2_AUDCAP_STEREO;
|
return 0;
|
}
|
|
static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
a->index = dev->ctrl_ainput;
|
if (a->index == 0)
|
strscpy(a->name, "Television", sizeof(a->name));
|
else
|
strscpy(a->name, "Line in", sizeof(a->name));
|
|
a->capability = V4L2_AUDCAP_STEREO;
|
return 0;
|
}
|
|
static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
if (a->index != dev->ctrl_ainput)
|
return -EINVAL;
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
return 0;
|
}
|
|
static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
struct video_device *vfd = video_devdata(file);
|
int ret;
|
|
if (t->index != 0)
|
return -EINVAL;
|
|
ret = v4l_enable_media_source(vfd);
|
if (ret)
|
return ret;
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
strscpy(t->name, "Auvitek tuner", sizeof(t->name));
|
|
au0828_init_tuner(dev);
|
i2c_gate_ctrl(dev, 1);
|
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_tuner, t);
|
i2c_gate_ctrl(dev, 0);
|
return 0;
|
}
|
|
static int vidioc_s_tuner(struct file *file, void *priv,
|
const struct v4l2_tuner *t)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
if (t->index != 0)
|
return -EINVAL;
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
au0828_init_tuner(dev);
|
i2c_gate_ctrl(dev, 1);
|
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_tuner, t);
|
i2c_gate_ctrl(dev, 0);
|
|
dprintk(1, "VIDIOC_S_TUNER: signal = %x, afc = %x\n", t->signal,
|
t->afc);
|
|
return 0;
|
|
}
|
|
static int vidioc_g_frequency(struct file *file, void *priv,
|
struct v4l2_frequency *freq)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
if (freq->tuner != 0)
|
return -EINVAL;
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
freq->frequency = dev->ctrl_freq;
|
return 0;
|
}
|
|
static int vidioc_s_frequency(struct file *file, void *priv,
|
const struct v4l2_frequency *freq)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
struct v4l2_frequency new_freq = *freq;
|
|
if (freq->tuner != 0)
|
return -EINVAL;
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
au0828_init_tuner(dev);
|
i2c_gate_ctrl(dev, 1);
|
|
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, s_frequency, freq);
|
/* Get the actual set (and possibly clamped) frequency */
|
v4l2_device_call_all(&dev->v4l2_dev, 0, tuner, g_frequency, &new_freq);
|
dev->ctrl_freq = new_freq.frequency;
|
|
i2c_gate_ctrl(dev, 0);
|
|
au0828_analog_stream_reset(dev);
|
|
return 0;
|
}
|
|
|
/* RAW VBI ioctls */
|
|
static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
|
struct v4l2_format *format)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
format->fmt.vbi.samples_per_line = dev->vbi_width;
|
format->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
|
format->fmt.vbi.offset = 0;
|
format->fmt.vbi.flags = 0;
|
format->fmt.vbi.sampling_rate = 6750000 * 4 / 2;
|
|
format->fmt.vbi.count[0] = dev->vbi_height;
|
format->fmt.vbi.count[1] = dev->vbi_height;
|
format->fmt.vbi.start[0] = 21;
|
format->fmt.vbi.start[1] = 284;
|
memset(format->fmt.vbi.reserved, 0, sizeof(format->fmt.vbi.reserved));
|
|
return 0;
|
}
|
|
static int vidioc_g_pixelaspect(struct file *file, void *priv,
|
int type, struct v4l2_fract *f)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
return -EINVAL;
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
f->numerator = 54;
|
f->denominator = 59;
|
|
return 0;
|
}
|
|
static int vidioc_g_selection(struct file *file, void *priv,
|
struct v4l2_selection *s)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
if (s->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
return -EINVAL;
|
|
switch (s->target) {
|
case V4L2_SEL_TGT_CROP_BOUNDS:
|
case V4L2_SEL_TGT_CROP_DEFAULT:
|
s->r.left = 0;
|
s->r.top = 0;
|
s->r.width = dev->width;
|
s->r.height = dev->height;
|
break;
|
default:
|
return -EINVAL;
|
}
|
return 0;
|
}
|
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
static int vidioc_g_register(struct file *file, void *priv,
|
struct v4l2_dbg_register *reg)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
reg->val = au0828_read(dev, reg->reg);
|
reg->size = 1;
|
return 0;
|
}
|
|
static int vidioc_s_register(struct file *file, void *priv,
|
const struct v4l2_dbg_register *reg)
|
{
|
struct au0828_dev *dev = video_drvdata(file);
|
|
dprintk(1, "%s called std_set %d dev_state %ld\n", __func__,
|
dev->std_set_in_tuner_core, dev->dev_state);
|
|
return au0828_writereg(dev, reg->reg, reg->val);
|
}
|
#endif
|
|
static int vidioc_log_status(struct file *file, void *fh)
|
{
|
struct video_device *vdev = video_devdata(file);
|
|
dprintk(1, "%s called\n", __func__);
|
|
v4l2_ctrl_log_status(file, fh);
|
v4l2_device_call_all(vdev->v4l2_dev, 0, core, log_status);
|
return 0;
|
}
|
|
void au0828_v4l2_suspend(struct au0828_dev *dev)
|
{
|
struct urb *urb;
|
int i;
|
|
pr_info("stopping V4L2\n");
|
|
if (dev->stream_state == STREAM_ON) {
|
pr_info("stopping V4L2 active URBs\n");
|
au0828_analog_stream_disable(dev);
|
/* stop urbs */
|
for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
|
urb = dev->isoc_ctl.urb[i];
|
if (urb) {
|
if (!irqs_disabled())
|
usb_kill_urb(urb);
|
else
|
usb_unlink_urb(urb);
|
}
|
}
|
}
|
|
if (dev->vid_timeout_running)
|
del_timer_sync(&dev->vid_timeout);
|
if (dev->vbi_timeout_running)
|
del_timer_sync(&dev->vbi_timeout);
|
}
|
|
void au0828_v4l2_resume(struct au0828_dev *dev)
|
{
|
int i, rc;
|
|
pr_info("restarting V4L2\n");
|
|
if (dev->stream_state == STREAM_ON) {
|
au0828_stream_interrupt(dev);
|
au0828_init_tuner(dev);
|
}
|
|
if (dev->vid_timeout_running)
|
mod_timer(&dev->vid_timeout, jiffies + (HZ / 10));
|
if (dev->vbi_timeout_running)
|
mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10));
|
|
/* If we were doing ac97 instead of i2s, it would go here...*/
|
au0828_i2s_init(dev);
|
|
au0828_analog_stream_enable(dev);
|
|
if (!(dev->stream_state == STREAM_ON)) {
|
au0828_analog_stream_reset(dev);
|
/* submit urbs */
|
for (i = 0; i < dev->isoc_ctl.num_bufs; i++) {
|
rc = usb_submit_urb(dev->isoc_ctl.urb[i], GFP_ATOMIC);
|
if (rc) {
|
au0828_isocdbg("submit of urb %i failed (error=%i)\n",
|
i, rc);
|
au0828_uninit_isoc(dev);
|
}
|
}
|
}
|
}
|
|
static const struct v4l2_file_operations au0828_v4l_fops = {
|
.owner = THIS_MODULE,
|
.open = au0828_v4l2_open,
|
.release = au0828_v4l2_close,
|
.read = vb2_fop_read,
|
.poll = vb2_fop_poll,
|
.mmap = vb2_fop_mmap,
|
.unlocked_ioctl = video_ioctl2,
|
};
|
|
static const struct v4l2_ioctl_ops video_ioctl_ops = {
|
.vidioc_querycap = vidioc_querycap,
|
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
|
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
|
.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
|
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
|
.vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
|
.vidioc_try_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
|
.vidioc_s_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
|
.vidioc_enumaudio = vidioc_enumaudio,
|
.vidioc_g_audio = vidioc_g_audio,
|
.vidioc_s_audio = vidioc_s_audio,
|
.vidioc_g_pixelaspect = vidioc_g_pixelaspect,
|
.vidioc_g_selection = vidioc_g_selection,
|
|
.vidioc_reqbufs = vb2_ioctl_reqbufs,
|
.vidioc_create_bufs = vb2_ioctl_create_bufs,
|
.vidioc_prepare_buf = vb2_ioctl_prepare_buf,
|
.vidioc_querybuf = vb2_ioctl_querybuf,
|
.vidioc_qbuf = vb2_ioctl_qbuf,
|
.vidioc_dqbuf = vb2_ioctl_dqbuf,
|
.vidioc_expbuf = vb2_ioctl_expbuf,
|
|
.vidioc_s_std = vidioc_s_std,
|
.vidioc_g_std = vidioc_g_std,
|
.vidioc_enum_input = vidioc_enum_input,
|
.vidioc_g_input = vidioc_g_input,
|
.vidioc_s_input = vidioc_s_input,
|
|
.vidioc_streamon = vb2_ioctl_streamon,
|
.vidioc_streamoff = vb2_ioctl_streamoff,
|
|
.vidioc_g_tuner = vidioc_g_tuner,
|
.vidioc_s_tuner = vidioc_s_tuner,
|
.vidioc_g_frequency = vidioc_g_frequency,
|
.vidioc_s_frequency = vidioc_s_frequency,
|
#ifdef CONFIG_VIDEO_ADV_DEBUG
|
.vidioc_g_register = vidioc_g_register,
|
.vidioc_s_register = vidioc_s_register,
|
#endif
|
.vidioc_log_status = vidioc_log_status,
|
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
|
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
|
};
|
|
static const struct video_device au0828_video_template = {
|
.fops = &au0828_v4l_fops,
|
.release = video_device_release_empty,
|
.ioctl_ops = &video_ioctl_ops,
|
.tvnorms = V4L2_STD_NTSC_M | V4L2_STD_PAL_M,
|
};
|
|
static int au0828_vb2_setup(struct au0828_dev *dev)
|
{
|
int rc;
|
struct vb2_queue *q;
|
|
/* Setup Videobuf2 for Video capture */
|
q = &dev->vb_vidq;
|
q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
|
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
|
q->drv_priv = dev;
|
q->buf_struct_size = sizeof(struct au0828_buffer);
|
q->ops = &au0828_video_qops;
|
q->mem_ops = &vb2_vmalloc_memops;
|
|
rc = vb2_queue_init(q);
|
if (rc < 0)
|
return rc;
|
|
/* Setup Videobuf2 for VBI capture */
|
q = &dev->vb_vbiq;
|
q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
|
q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR | VB2_DMABUF;
|
q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
|
q->drv_priv = dev;
|
q->buf_struct_size = sizeof(struct au0828_buffer);
|
q->ops = &au0828_vbi_qops;
|
q->mem_ops = &vb2_vmalloc_memops;
|
|
rc = vb2_queue_init(q);
|
if (rc < 0)
|
return rc;
|
|
return 0;
|
}
|
|
static void au0828_analog_create_entities(struct au0828_dev *dev)
|
{
|
#if defined(CONFIG_MEDIA_CONTROLLER)
|
static const char * const inames[] = {
|
[AU0828_VMUX_COMPOSITE] = "Composite",
|
[AU0828_VMUX_SVIDEO] = "S-Video",
|
[AU0828_VMUX_CABLE] = "Cable TV",
|
[AU0828_VMUX_TELEVISION] = "Television",
|
[AU0828_VMUX_DVB] = "DVB",
|
};
|
int ret, i;
|
|
/* Initialize Video and VBI pads */
|
dev->video_pad.flags = MEDIA_PAD_FL_SINK;
|
ret = media_entity_pads_init(&dev->vdev.entity, 1, &dev->video_pad);
|
if (ret < 0)
|
pr_err("failed to initialize video media entity!\n");
|
|
dev->vbi_pad.flags = MEDIA_PAD_FL_SINK;
|
ret = media_entity_pads_init(&dev->vbi_dev.entity, 1, &dev->vbi_pad);
|
if (ret < 0)
|
pr_err("failed to initialize vbi media entity!\n");
|
|
/* Create entities for each input connector */
|
for (i = 0; i < AU0828_MAX_INPUT; i++) {
|
struct media_entity *ent = &dev->input_ent[i];
|
|
if (AUVI_INPUT(i).type == AU0828_VMUX_UNDEFINED)
|
break;
|
|
ent->name = inames[AUVI_INPUT(i).type];
|
ent->flags = MEDIA_ENT_FL_CONNECTOR;
|
dev->input_pad[i].flags = MEDIA_PAD_FL_SOURCE;
|
|
switch (AUVI_INPUT(i).type) {
|
case AU0828_VMUX_COMPOSITE:
|
ent->function = MEDIA_ENT_F_CONN_COMPOSITE;
|
break;
|
case AU0828_VMUX_SVIDEO:
|
ent->function = MEDIA_ENT_F_CONN_SVIDEO;
|
break;
|
case AU0828_VMUX_CABLE:
|
case AU0828_VMUX_TELEVISION:
|
case AU0828_VMUX_DVB:
|
default: /* Just to shut up a warning */
|
ent->function = MEDIA_ENT_F_CONN_RF;
|
break;
|
}
|
|
ret = media_entity_pads_init(ent, 1, &dev->input_pad[i]);
|
if (ret < 0)
|
pr_err("failed to initialize input pad[%d]!\n", i);
|
|
ret = media_device_register_entity(dev->media_dev, ent);
|
if (ret < 0)
|
pr_err("failed to register input entity %d!\n", i);
|
}
|
#endif
|
}
|
|
/**************************************************************************/
|
|
int au0828_analog_register(struct au0828_dev *dev,
|
struct usb_interface *interface)
|
{
|
int retval = -ENOMEM;
|
struct usb_host_interface *iface_desc;
|
struct usb_endpoint_descriptor *endpoint;
|
int i, ret;
|
|
dprintk(1, "au0828_analog_register called for intf#%d!\n",
|
interface->cur_altsetting->desc.bInterfaceNumber);
|
|
/* No analog TV */
|
if (AUVI_INPUT(0).type == AU0828_VMUX_UNDEFINED)
|
return 0;
|
|
/* set au0828 usb interface0 to as5 */
|
retval = usb_set_interface(dev->usbdev,
|
interface->cur_altsetting->desc.bInterfaceNumber, 5);
|
if (retval != 0) {
|
pr_info("Failure setting usb interface0 to as5\n");
|
return retval;
|
}
|
|
/* Figure out which endpoint has the isoc interface */
|
iface_desc = interface->cur_altsetting;
|
for (i = 0; i < iface_desc->desc.bNumEndpoints; i++) {
|
endpoint = &iface_desc->endpoint[i].desc;
|
if (((endpoint->bEndpointAddress & USB_ENDPOINT_DIR_MASK)
|
== USB_DIR_IN) &&
|
((endpoint->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
|
== USB_ENDPOINT_XFER_ISOC)) {
|
|
/* we find our isoc in endpoint */
|
u16 tmp = le16_to_cpu(endpoint->wMaxPacketSize);
|
dev->max_pkt_size = (tmp & 0x07ff) *
|
(((tmp & 0x1800) >> 11) + 1);
|
dev->isoc_in_endpointaddr = endpoint->bEndpointAddress;
|
dprintk(1,
|
"Found isoc endpoint 0x%02x, max size = %d\n",
|
dev->isoc_in_endpointaddr, dev->max_pkt_size);
|
}
|
}
|
if (!(dev->isoc_in_endpointaddr)) {
|
pr_info("Could not locate isoc endpoint\n");
|
return -ENODEV;
|
}
|
|
init_waitqueue_head(&dev->open);
|
spin_lock_init(&dev->slock);
|
|
/* init video dma queues */
|
INIT_LIST_HEAD(&dev->vidq.active);
|
INIT_LIST_HEAD(&dev->vbiq.active);
|
|
timer_setup(&dev->vid_timeout, au0828_vid_buffer_timeout, 0);
|
timer_setup(&dev->vbi_timeout, au0828_vbi_buffer_timeout, 0);
|
|
dev->width = NTSC_STD_W;
|
dev->height = NTSC_STD_H;
|
dev->field_size = dev->width * dev->height;
|
dev->frame_size = dev->field_size << 1;
|
dev->bytesperline = dev->width << 1;
|
dev->vbi_width = 720;
|
dev->vbi_height = 1;
|
dev->ctrl_ainput = 0;
|
dev->ctrl_freq = 960;
|
dev->std = V4L2_STD_NTSC_M;
|
/* Default input is TV Tuner */
|
au0828_s_input(dev, 0);
|
|
mutex_init(&dev->vb_queue_lock);
|
mutex_init(&dev->vb_vbi_queue_lock);
|
|
/* Fill the video capture device struct */
|
dev->vdev = au0828_video_template;
|
dev->vdev.v4l2_dev = &dev->v4l2_dev;
|
dev->vdev.lock = &dev->lock;
|
dev->vdev.queue = &dev->vb_vidq;
|
dev->vdev.queue->lock = &dev->vb_queue_lock;
|
dev->vdev.device_caps =
|
V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
|
V4L2_CAP_TUNER | V4L2_CAP_VIDEO_CAPTURE;
|
strscpy(dev->vdev.name, "au0828a video", sizeof(dev->vdev.name));
|
|
/* Setup the VBI device */
|
dev->vbi_dev = au0828_video_template;
|
dev->vbi_dev.v4l2_dev = &dev->v4l2_dev;
|
dev->vbi_dev.lock = &dev->lock;
|
dev->vbi_dev.queue = &dev->vb_vbiq;
|
dev->vbi_dev.queue->lock = &dev->vb_vbi_queue_lock;
|
dev->vbi_dev.device_caps =
|
V4L2_CAP_AUDIO | V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
|
V4L2_CAP_TUNER | V4L2_CAP_VBI_CAPTURE;
|
strscpy(dev->vbi_dev.name, "au0828a vbi", sizeof(dev->vbi_dev.name));
|
|
/* Init entities at the Media Controller */
|
au0828_analog_create_entities(dev);
|
|
/* initialize videobuf2 stuff */
|
retval = au0828_vb2_setup(dev);
|
if (retval != 0) {
|
dprintk(1, "unable to setup videobuf2 queues (error = %d).\n",
|
retval);
|
return -ENODEV;
|
}
|
|
/* Register the v4l2 device */
|
video_set_drvdata(&dev->vdev, dev);
|
retval = video_register_device(&dev->vdev, VFL_TYPE_VIDEO, -1);
|
if (retval != 0) {
|
dprintk(1, "unable to register video device (error = %d).\n",
|
retval);
|
return -ENODEV;
|
}
|
|
/* Register the vbi device */
|
video_set_drvdata(&dev->vbi_dev, dev);
|
retval = video_register_device(&dev->vbi_dev, VFL_TYPE_VBI, -1);
|
if (retval != 0) {
|
dprintk(1, "unable to register vbi device (error = %d).\n",
|
retval);
|
ret = -ENODEV;
|
goto err_reg_vbi_dev;
|
}
|
|
#ifdef CONFIG_MEDIA_CONTROLLER
|
retval = v4l2_mc_create_media_graph(dev->media_dev);
|
if (retval) {
|
pr_err("%s() au0282_dev_register failed to create graph\n",
|
__func__);
|
ret = -ENODEV;
|
goto err_reg_vbi_dev;
|
}
|
#endif
|
|
dprintk(1, "%s completed!\n", __func__);
|
|
return 0;
|
|
err_reg_vbi_dev:
|
vb2_video_unregister_device(&dev->vdev);
|
return ret;
|
}
|
