summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/hdpvr/hdpvr-video.c
diff options
context:
space:
mode:
authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 05:13:22 +0200
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 21:25:07 +0200
commit0c0d06cac63ee327ceaab4b5ffe2206574ab86bd (patch)
treee759f0dc3185d97f2a0c6b5cd5e32ea6faa74d40 /drivers/media/video/hdpvr/hdpvr-video.c
parent[media] b2c2: fix driver's build due to the lack of pci DMA code (diff)
downloadlinux-0c0d06cac63ee327ceaab4b5ffe2206574ab86bd.tar.xz
linux-0c0d06cac63ee327ceaab4b5ffe2206574ab86bd.zip
[media] rename most media/video usb drivers to media/usb
Rename all USB drivers with their own directory under drivers/media/video into drivers/media/usb and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/hdpvr/hdpvr-video.c')
-rw-r--r--drivers/media/video/hdpvr/hdpvr-video.c1289
1 files changed, 0 insertions, 1289 deletions
diff --git a/drivers/media/video/hdpvr/hdpvr-video.c b/drivers/media/video/hdpvr/hdpvr-video.c
deleted file mode 100644
index 0e9e156bb2aa..000000000000
--- a/drivers/media/video/hdpvr/hdpvr-video.c
+++ /dev/null
@@ -1,1289 +0,0 @@
-/*
- * Hauppauge HD PVR USB driver - video 4 linux 2 interface
- *
- * Copyright (C) 2008 Janne Grunau (j@jannau.net)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation, version 2.
- *
- */
-
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
-#include <linux/module.h>
-#include <linux/uaccess.h>
-#include <linux/usb.h>
-#include <linux/mutex.h>
-#include <linux/workqueue.h>
-
-#include <linux/videodev2.h>
-#include <media/v4l2-dev.h>
-#include <media/v4l2-common.h>
-#include <media/v4l2-ioctl.h>
-#include "hdpvr.h"
-
-#define BULK_URB_TIMEOUT 90 /* 0.09 seconds */
-
-#define print_buffer_status() { \
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev, \
- "%s:%d buffer stat: %d free, %d proc\n", \
- __func__, __LINE__, \
- list_size(&dev->free_buff_list), \
- list_size(&dev->rec_buff_list)); }
-
-struct hdpvr_fh {
- struct hdpvr_device *dev;
-};
-
-static uint list_size(struct list_head *list)
-{
- struct list_head *tmp;
- uint count = 0;
-
- list_for_each(tmp, list) {
- count++;
- }
-
- return count;
-}
-
-/*=========================================================================*/
-/* urb callback */
-static void hdpvr_read_bulk_callback(struct urb *urb)
-{
- struct hdpvr_buffer *buf = (struct hdpvr_buffer *)urb->context;
- struct hdpvr_device *dev = buf->dev;
-
- /* marking buffer as received and wake waiting */
- buf->status = BUFSTAT_READY;
- wake_up_interruptible(&dev->wait_data);
-}
-
-/*=========================================================================*/
-/* bufffer bits */
-
-/* function expects dev->io_mutex to be hold by caller */
-int hdpvr_cancel_queue(struct hdpvr_device *dev)
-{
- struct hdpvr_buffer *buf;
-
- list_for_each_entry(buf, &dev->rec_buff_list, buff_list) {
- usb_kill_urb(buf->urb);
- buf->status = BUFSTAT_AVAILABLE;
- }
-
- list_splice_init(&dev->rec_buff_list, dev->free_buff_list.prev);
-
- return 0;
-}
-
-static int hdpvr_free_queue(struct list_head *q)
-{
- struct list_head *tmp;
- struct list_head *p;
- struct hdpvr_buffer *buf;
- struct urb *urb;
-
- for (p = q->next; p != q;) {
- buf = list_entry(p, struct hdpvr_buffer, buff_list);
-
- urb = buf->urb;
- usb_free_coherent(urb->dev, urb->transfer_buffer_length,
- urb->transfer_buffer, urb->transfer_dma);
- usb_free_urb(urb);
- tmp = p->next;
- list_del(p);
- kfree(buf);
- p = tmp;
- }
-
- return 0;
-}
-
-/* function expects dev->io_mutex to be hold by caller */
-int hdpvr_free_buffers(struct hdpvr_device *dev)
-{
- hdpvr_cancel_queue(dev);
-
- hdpvr_free_queue(&dev->free_buff_list);
- hdpvr_free_queue(&dev->rec_buff_list);
-
- return 0;
-}
-
-/* function expects dev->io_mutex to be hold by caller */
-int hdpvr_alloc_buffers(struct hdpvr_device *dev, uint count)
-{
- uint i;
- int retval = -ENOMEM;
- u8 *mem;
- struct hdpvr_buffer *buf;
- struct urb *urb;
-
- v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
- "allocating %u buffers\n", count);
-
- for (i = 0; i < count; i++) {
-
- buf = kzalloc(sizeof(struct hdpvr_buffer), GFP_KERNEL);
- if (!buf) {
- v4l2_err(&dev->v4l2_dev, "cannot allocate buffer\n");
- goto exit;
- }
- buf->dev = dev;
-
- urb = usb_alloc_urb(0, GFP_KERNEL);
- if (!urb) {
- v4l2_err(&dev->v4l2_dev, "cannot allocate urb\n");
- goto exit_urb;
- }
- buf->urb = urb;
-
- mem = usb_alloc_coherent(dev->udev, dev->bulk_in_size, GFP_KERNEL,
- &urb->transfer_dma);
- if (!mem) {
- v4l2_err(&dev->v4l2_dev,
- "cannot allocate usb transfer buffer\n");
- goto exit_urb_buffer;
- }
-
- usb_fill_bulk_urb(buf->urb, dev->udev,
- usb_rcvbulkpipe(dev->udev,
- dev->bulk_in_endpointAddr),
- mem, dev->bulk_in_size,
- hdpvr_read_bulk_callback, buf);
-
- buf->urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
- buf->status = BUFSTAT_AVAILABLE;
- list_add_tail(&buf->buff_list, &dev->free_buff_list);
- }
- return 0;
-exit_urb_buffer:
- usb_free_urb(urb);
-exit_urb:
- kfree(buf);
-exit:
- hdpvr_free_buffers(dev);
- return retval;
-}
-
-static int hdpvr_submit_buffers(struct hdpvr_device *dev)
-{
- struct hdpvr_buffer *buf;
- struct urb *urb;
- int ret = 0, err_count = 0;
-
- mutex_lock(&dev->io_mutex);
-
- while (dev->status == STATUS_STREAMING &&
- !list_empty(&dev->free_buff_list)) {
-
- buf = list_entry(dev->free_buff_list.next, struct hdpvr_buffer,
- buff_list);
- if (buf->status != BUFSTAT_AVAILABLE) {
- v4l2_err(&dev->v4l2_dev,
- "buffer not marked as available\n");
- ret = -EFAULT;
- goto err;
- }
-
- urb = buf->urb;
- urb->status = 0;
- urb->actual_length = 0;
- ret = usb_submit_urb(urb, GFP_KERNEL);
- if (ret) {
- v4l2_err(&dev->v4l2_dev,
- "usb_submit_urb in %s returned %d\n",
- __func__, ret);
- if (++err_count > 2)
- break;
- continue;
- }
- buf->status = BUFSTAT_INPROGRESS;
- list_move_tail(&buf->buff_list, &dev->rec_buff_list);
- }
-err:
- print_buffer_status();
- mutex_unlock(&dev->io_mutex);
- return ret;
-}
-
-static struct hdpvr_buffer *hdpvr_get_next_buffer(struct hdpvr_device *dev)
-{
- struct hdpvr_buffer *buf;
-
- mutex_lock(&dev->io_mutex);
-
- if (list_empty(&dev->rec_buff_list)) {
- mutex_unlock(&dev->io_mutex);
- return NULL;
- }
-
- buf = list_entry(dev->rec_buff_list.next, struct hdpvr_buffer,
- buff_list);
- mutex_unlock(&dev->io_mutex);
-
- return buf;
-}
-
-static void hdpvr_transmit_buffers(struct work_struct *work)
-{
- struct hdpvr_device *dev = container_of(work, struct hdpvr_device,
- worker);
-
- while (dev->status == STATUS_STREAMING) {
-
- if (hdpvr_submit_buffers(dev)) {
- v4l2_err(&dev->v4l2_dev, "couldn't submit buffers\n");
- goto error;
- }
- if (wait_event_interruptible(dev->wait_buffer,
- !list_empty(&dev->free_buff_list) ||
- dev->status != STATUS_STREAMING))
- goto error;
- }
-
- v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
- "transmit worker exited\n");
- return;
-error:
- v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
- "transmit buffers errored\n");
- dev->status = STATUS_ERROR;
-}
-
-/* function expects dev->io_mutex to be hold by caller */
-static int hdpvr_start_streaming(struct hdpvr_device *dev)
-{
- int ret;
- struct hdpvr_video_info *vidinf;
-
- if (dev->status == STATUS_STREAMING)
- return 0;
- else if (dev->status != STATUS_IDLE)
- return -EAGAIN;
-
- vidinf = get_video_info(dev);
-
- if (vidinf) {
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
- "video signal: %dx%d@%dhz\n", vidinf->width,
- vidinf->height, vidinf->fps);
- kfree(vidinf);
-
- /* start streaming 2 request */
- ret = usb_control_msg(dev->udev,
- usb_sndctrlpipe(dev->udev, 0),
- 0xb8, 0x38, 0x1, 0, NULL, 0, 8000);
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
- "encoder start control request returned %d\n", ret);
-
- hdpvr_config_call(dev, CTRL_START_STREAMING_VALUE, 0x00);
-
- dev->status = STATUS_STREAMING;
-
- INIT_WORK(&dev->worker, hdpvr_transmit_buffers);
- queue_work(dev->workqueue, &dev->worker);
-
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
- "streaming started\n");
-
- return 0;
- }
- msleep(250);
- v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
- "no video signal at input %d\n", dev->options.video_input);
- return -EAGAIN;
-}
-
-
-/* function expects dev->io_mutex to be hold by caller */
-static int hdpvr_stop_streaming(struct hdpvr_device *dev)
-{
- int actual_length;
- uint c = 0;
- u8 *buf;
-
- if (dev->status == STATUS_IDLE)
- return 0;
- else if (dev->status != STATUS_STREAMING)
- return -EAGAIN;
-
- buf = kmalloc(dev->bulk_in_size, GFP_KERNEL);
- if (!buf)
- v4l2_err(&dev->v4l2_dev, "failed to allocate temporary buffer "
- "for emptying the internal device buffer. "
- "Next capture start will be slow\n");
-
- dev->status = STATUS_SHUTTING_DOWN;
- hdpvr_config_call(dev, CTRL_STOP_STREAMING_VALUE, 0x00);
- mutex_unlock(&dev->io_mutex);
-
- wake_up_interruptible(&dev->wait_buffer);
- msleep(50);
-
- flush_workqueue(dev->workqueue);
-
- mutex_lock(&dev->io_mutex);
- /* kill the still outstanding urbs */
- hdpvr_cancel_queue(dev);
-
- /* emptying the device buffer beforeshutting it down */
- while (buf && ++c < 500 &&
- !usb_bulk_msg(dev->udev,
- usb_rcvbulkpipe(dev->udev,
- dev->bulk_in_endpointAddr),
- buf, dev->bulk_in_size, &actual_length,
- BULK_URB_TIMEOUT)) {
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
- "%2d: got %d bytes\n", c, actual_length);
- }
- kfree(buf);
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
- "used %d urbs to empty device buffers\n", c-1);
- msleep(10);
-
- dev->status = STATUS_IDLE;
-
- return 0;
-}
-
-
-/*=======================================================================*/
-/*
- * video 4 linux 2 file operations
- */
-
-static int hdpvr_open(struct file *file)
-{
- struct hdpvr_device *dev;
- struct hdpvr_fh *fh;
- int retval = -ENOMEM;
-
- dev = (struct hdpvr_device *)video_get_drvdata(video_devdata(file));
- if (!dev) {
- pr_err("open failing with with ENODEV\n");
- retval = -ENODEV;
- goto err;
- }
-
- fh = kzalloc(sizeof(struct hdpvr_fh), GFP_KERNEL);
- if (!fh) {
- v4l2_err(&dev->v4l2_dev, "Out of memory\n");
- goto err;
- }
- /* lock the device to allow correctly handling errors
- * in resumption */
- mutex_lock(&dev->io_mutex);
- dev->open_count++;
- mutex_unlock(&dev->io_mutex);
-
- fh->dev = dev;
-
- /* save our object in the file's private structure */
- file->private_data = fh;
-
- retval = 0;
-err:
- return retval;
-}
-
-static int hdpvr_release(struct file *file)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
-
- if (!dev)
- return -ENODEV;
-
- mutex_lock(&dev->io_mutex);
- if (!(--dev->open_count) && dev->status == STATUS_STREAMING)
- hdpvr_stop_streaming(dev);
-
- mutex_unlock(&dev->io_mutex);
-
- return 0;
-}
-
-/*
- * hdpvr_v4l2_read()
- * will allocate buffers when called for the first time
- */
-static ssize_t hdpvr_read(struct file *file, char __user *buffer, size_t count,
- loff_t *pos)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- struct hdpvr_buffer *buf = NULL;
- struct urb *urb;
- unsigned int ret = 0;
- int rem, cnt;
-
- if (*pos)
- return -ESPIPE;
-
- if (!dev)
- return -ENODEV;
-
- mutex_lock(&dev->io_mutex);
- if (dev->status == STATUS_IDLE) {
- if (hdpvr_start_streaming(dev)) {
- v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
- "start_streaming failed\n");
- ret = -EIO;
- msleep(200);
- dev->status = STATUS_IDLE;
- mutex_unlock(&dev->io_mutex);
- goto err;
- }
- print_buffer_status();
- }
- mutex_unlock(&dev->io_mutex);
-
- /* wait for the first buffer */
- if (!(file->f_flags & O_NONBLOCK)) {
- if (wait_event_interruptible(dev->wait_data,
- hdpvr_get_next_buffer(dev)))
- return -ERESTARTSYS;
- }
-
- buf = hdpvr_get_next_buffer(dev);
-
- while (count > 0 && buf) {
-
- if (buf->status != BUFSTAT_READY &&
- dev->status != STATUS_DISCONNECTED) {
- /* return nonblocking */
- if (file->f_flags & O_NONBLOCK) {
- if (!ret)
- ret = -EAGAIN;
- goto err;
- }
-
- if (wait_event_interruptible(dev->wait_data,
- buf->status == BUFSTAT_READY)) {
- ret = -ERESTARTSYS;
- goto err;
- }
- }
-
- if (buf->status != BUFSTAT_READY)
- break;
-
- /* set remaining bytes to copy */
- urb = buf->urb;
- rem = urb->actual_length - buf->pos;
- cnt = rem > count ? count : rem;
-
- if (copy_to_user(buffer, urb->transfer_buffer + buf->pos,
- cnt)) {
- v4l2_err(&dev->v4l2_dev, "read: copy_to_user failed\n");
- if (!ret)
- ret = -EFAULT;
- goto err;
- }
-
- buf->pos += cnt;
- count -= cnt;
- buffer += cnt;
- ret += cnt;
-
- /* finished, take next buffer */
- if (buf->pos == urb->actual_length) {
- mutex_lock(&dev->io_mutex);
- buf->pos = 0;
- buf->status = BUFSTAT_AVAILABLE;
-
- list_move_tail(&buf->buff_list, &dev->free_buff_list);
-
- print_buffer_status();
-
- mutex_unlock(&dev->io_mutex);
-
- wake_up_interruptible(&dev->wait_buffer);
-
- buf = hdpvr_get_next_buffer(dev);
- }
- }
-err:
- if (!ret && !buf)
- ret = -EAGAIN;
- return ret;
-}
-
-static unsigned int hdpvr_poll(struct file *filp, poll_table *wait)
-{
- struct hdpvr_buffer *buf = NULL;
- struct hdpvr_fh *fh = filp->private_data;
- struct hdpvr_device *dev = fh->dev;
- unsigned int mask = 0;
-
- mutex_lock(&dev->io_mutex);
-
- if (!video_is_registered(dev->video_dev)) {
- mutex_unlock(&dev->io_mutex);
- return -EIO;
- }
-
- if (dev->status == STATUS_IDLE) {
- if (hdpvr_start_streaming(dev)) {
- v4l2_dbg(MSG_BUFFER, hdpvr_debug, &dev->v4l2_dev,
- "start_streaming failed\n");
- dev->status = STATUS_IDLE;
- }
-
- print_buffer_status();
- }
- mutex_unlock(&dev->io_mutex);
-
- buf = hdpvr_get_next_buffer(dev);
- /* only wait if no data is available */
- if (!buf || buf->status != BUFSTAT_READY) {
- poll_wait(filp, &dev->wait_data, wait);
- buf = hdpvr_get_next_buffer(dev);
- }
- if (buf && buf->status == BUFSTAT_READY)
- mask |= POLLIN | POLLRDNORM;
-
- return mask;
-}
-
-
-static const struct v4l2_file_operations hdpvr_fops = {
- .owner = THIS_MODULE,
- .open = hdpvr_open,
- .release = hdpvr_release,
- .read = hdpvr_read,
- .poll = hdpvr_poll,
- .unlocked_ioctl = video_ioctl2,
-};
-
-/*=======================================================================*/
-/*
- * V4L2 ioctl handling
- */
-
-static int vidioc_querycap(struct file *file, void *priv,
- struct v4l2_capability *cap)
-{
- struct hdpvr_device *dev = video_drvdata(file);
-
- strcpy(cap->driver, "hdpvr");
- strcpy(cap->card, "Hauppauge HD PVR");
- usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
- cap->capabilities = V4L2_CAP_VIDEO_CAPTURE |
- V4L2_CAP_AUDIO |
- V4L2_CAP_READWRITE;
- return 0;
-}
-
-static int vidioc_s_std(struct file *file, void *private_data,
- v4l2_std_id *std)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- u8 std_type = 1;
-
- if (*std & (V4L2_STD_NTSC | V4L2_STD_PAL_60))
- std_type = 0;
-
- return hdpvr_config_call(dev, CTRL_VIDEO_STD_TYPE, std_type);
-}
-
-static const char *iname[] = {
- [HDPVR_COMPONENT] = "Component",
- [HDPVR_SVIDEO] = "S-Video",
- [HDPVR_COMPOSITE] = "Composite",
-};
-
-static int vidioc_enum_input(struct file *file, void *priv,
- struct v4l2_input *i)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- unsigned int n;
-
- n = i->index;
- if (n >= HDPVR_VIDEO_INPUTS)
- return -EINVAL;
-
- i->type = V4L2_INPUT_TYPE_CAMERA;
-
- strncpy(i->name, iname[n], sizeof(i->name) - 1);
- i->name[sizeof(i->name) - 1] = '\0';
-
- i->audioset = 1<<HDPVR_RCA_FRONT | 1<<HDPVR_RCA_BACK | 1<<HDPVR_SPDIF;
-
- i->std = dev->video_dev->tvnorms;
-
- return 0;
-}
-
-static int vidioc_s_input(struct file *file, void *private_data,
- unsigned int index)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- int retval;
-
- if (index >= HDPVR_VIDEO_INPUTS)
- return -EINVAL;
-
- if (dev->status != STATUS_IDLE)
- return -EAGAIN;
-
- retval = hdpvr_config_call(dev, CTRL_VIDEO_INPUT_VALUE, index+1);
- if (!retval)
- dev->options.video_input = index;
-
- return retval;
-}
-
-static int vidioc_g_input(struct file *file, void *private_data,
- unsigned int *index)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
-
- *index = dev->options.video_input;
- return 0;
-}
-
-
-static const char *audio_iname[] = {
- [HDPVR_RCA_FRONT] = "RCA front",
- [HDPVR_RCA_BACK] = "RCA back",
- [HDPVR_SPDIF] = "SPDIF",
-};
-
-static int vidioc_enumaudio(struct file *file, void *priv,
- struct v4l2_audio *audio)
-{
- unsigned int n;
-
- n = audio->index;
- if (n >= HDPVR_AUDIO_INPUTS)
- return -EINVAL;
-
- audio->capability = V4L2_AUDCAP_STEREO;
-
- strncpy(audio->name, audio_iname[n], sizeof(audio->name) - 1);
- audio->name[sizeof(audio->name) - 1] = '\0';
-
- return 0;
-}
-
-static int vidioc_s_audio(struct file *file, void *private_data,
- struct v4l2_audio *audio)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- int retval;
-
- if (audio->index >= HDPVR_AUDIO_INPUTS)
- return -EINVAL;
-
- if (dev->status != STATUS_IDLE)
- return -EAGAIN;
-
- retval = hdpvr_set_audio(dev, audio->index+1, dev->options.audio_codec);
- if (!retval)
- dev->options.audio_input = audio->index;
-
- return retval;
-}
-
-static int vidioc_g_audio(struct file *file, void *private_data,
- struct v4l2_audio *audio)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
-
- audio->index = dev->options.audio_input;
- audio->capability = V4L2_AUDCAP_STEREO;
- strncpy(audio->name, audio_iname[audio->index], sizeof(audio->name));
- audio->name[sizeof(audio->name) - 1] = '\0';
- return 0;
-}
-
-static const s32 supported_v4l2_ctrls[] = {
- V4L2_CID_BRIGHTNESS,
- V4L2_CID_CONTRAST,
- V4L2_CID_SATURATION,
- V4L2_CID_HUE,
- V4L2_CID_SHARPNESS,
- V4L2_CID_MPEG_AUDIO_ENCODING,
- V4L2_CID_MPEG_VIDEO_ENCODING,
- V4L2_CID_MPEG_VIDEO_BITRATE_MODE,
- V4L2_CID_MPEG_VIDEO_BITRATE,
- V4L2_CID_MPEG_VIDEO_BITRATE_PEAK,
-};
-
-static int fill_queryctrl(struct hdpvr_options *opt, struct v4l2_queryctrl *qc,
- int ac3, int fw_ver)
-{
- int err;
-
- if (fw_ver > 0x15) {
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
- case V4L2_CID_CONTRAST:
- return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x40);
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x40);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qc, 0x0, 0x1e, 1, 0xf);
- case V4L2_CID_SHARPNESS:
- return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
- }
- } else {
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x86);
- case V4L2_CID_CONTRAST:
- return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
- case V4L2_CID_SHARPNESS:
- return v4l2_ctrl_query_fill(qc, 0x0, 0xff, 1, 0x80);
- }
- }
-
- switch (qc->id) {
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- return v4l2_ctrl_query_fill(
- qc, V4L2_MPEG_AUDIO_ENCODING_AAC,
- ac3 ? V4L2_MPEG_AUDIO_ENCODING_AC3
- : V4L2_MPEG_AUDIO_ENCODING_AAC,
- 1, V4L2_MPEG_AUDIO_ENCODING_AAC);
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- return v4l2_ctrl_query_fill(
- qc, V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC, 1,
- V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC);
-
-/* case V4L2_CID_MPEG_VIDEO_? maybe keyframe interval: */
-/* return v4l2_ctrl_query_fill(qc, 0, 128, 128, 0); */
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- return v4l2_ctrl_query_fill(
- qc, V4L2_MPEG_VIDEO_BITRATE_MODE_VBR,
- V4L2_MPEG_VIDEO_BITRATE_MODE_CBR, 1,
- V4L2_MPEG_VIDEO_BITRATE_MODE_CBR);
-
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- return v4l2_ctrl_query_fill(qc, 1000000, 13500000, 100000,
- 6500000);
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- err = v4l2_ctrl_query_fill(qc, 1100000, 20200000, 100000,
- 9000000);
- if (!err && opt->bitrate_mode == HDPVR_CONSTANT)
- qc->flags |= V4L2_CTRL_FLAG_INACTIVE;
- return err;
- default:
- return -EINVAL;
- }
-}
-
-static int vidioc_queryctrl(struct file *file, void *private_data,
- struct v4l2_queryctrl *qc)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- int i, next;
- u32 id = qc->id;
-
- memset(qc, 0, sizeof(*qc));
-
- next = !!(id & V4L2_CTRL_FLAG_NEXT_CTRL);
- qc->id = id & ~V4L2_CTRL_FLAG_NEXT_CTRL;
-
- for (i = 0; i < ARRAY_SIZE(supported_v4l2_ctrls); i++) {
- if (next) {
- if (qc->id < supported_v4l2_ctrls[i])
- qc->id = supported_v4l2_ctrls[i];
- else
- continue;
- }
-
- if (qc->id == supported_v4l2_ctrls[i])
- return fill_queryctrl(&dev->options, qc,
- dev->flags & HDPVR_FLAG_AC3_CAP,
- dev->fw_ver);
-
- if (qc->id < supported_v4l2_ctrls[i])
- break;
- }
-
- return -EINVAL;
-}
-
-static int vidioc_g_ctrl(struct file *file, void *private_data,
- struct v4l2_control *ctrl)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- ctrl->value = dev->options.brightness;
- break;
- case V4L2_CID_CONTRAST:
- ctrl->value = dev->options.contrast;
- break;
- case V4L2_CID_SATURATION:
- ctrl->value = dev->options.saturation;
- break;
- case V4L2_CID_HUE:
- ctrl->value = dev->options.hue;
- break;
- case V4L2_CID_SHARPNESS:
- ctrl->value = dev->options.sharpness;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int vidioc_s_ctrl(struct file *file, void *private_data,
- struct v4l2_control *ctrl)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- int retval;
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- retval = hdpvr_config_call(dev, CTRL_BRIGHTNESS, ctrl->value);
- if (!retval)
- dev->options.brightness = ctrl->value;
- break;
- case V4L2_CID_CONTRAST:
- retval = hdpvr_config_call(dev, CTRL_CONTRAST, ctrl->value);
- if (!retval)
- dev->options.contrast = ctrl->value;
- break;
- case V4L2_CID_SATURATION:
- retval = hdpvr_config_call(dev, CTRL_SATURATION, ctrl->value);
- if (!retval)
- dev->options.saturation = ctrl->value;
- break;
- case V4L2_CID_HUE:
- retval = hdpvr_config_call(dev, CTRL_HUE, ctrl->value);
- if (!retval)
- dev->options.hue = ctrl->value;
- break;
- case V4L2_CID_SHARPNESS:
- retval = hdpvr_config_call(dev, CTRL_SHARPNESS, ctrl->value);
- if (!retval)
- dev->options.sharpness = ctrl->value;
- break;
- default:
- return -EINVAL;
- }
-
- return retval;
-}
-
-
-static int hdpvr_get_ctrl(struct hdpvr_options *opt,
- struct v4l2_ext_control *ctrl)
-{
- switch (ctrl->id) {
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- ctrl->value = opt->audio_codec;
- break;
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- ctrl->value = V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC;
- break;
-/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
-/* ctrl->value = (opt->gop_mode & 0x2) ? 0 : 128; */
-/* break; */
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- ctrl->value = opt->bitrate_mode == HDPVR_CONSTANT
- ? V4L2_MPEG_VIDEO_BITRATE_MODE_CBR
- : V4L2_MPEG_VIDEO_BITRATE_MODE_VBR;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- ctrl->value = opt->bitrate * 100000;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- ctrl->value = opt->peak_bitrate * 100000;
- break;
- case V4L2_CID_MPEG_STREAM_TYPE:
- ctrl->value = V4L2_MPEG_STREAM_TYPE_MPEG2_TS;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int vidioc_g_ext_ctrls(struct file *file, void *priv,
- struct v4l2_ext_controls *ctrls)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- int i, err = 0;
-
- if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
- for (i = 0; i < ctrls->count; i++) {
- struct v4l2_ext_control *ctrl = ctrls->controls + i;
-
- err = hdpvr_get_ctrl(&dev->options, ctrl);
- if (err) {
- ctrls->error_idx = i;
- break;
- }
- }
- return err;
-
- }
-
- return -EINVAL;
-}
-
-
-static int hdpvr_try_ctrl(struct v4l2_ext_control *ctrl, int ac3)
-{
- int ret = -EINVAL;
-
- switch (ctrl->id) {
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- if (ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AAC ||
- (ac3 && ctrl->value == V4L2_MPEG_AUDIO_ENCODING_AC3))
- ret = 0;
- break;
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- if (ctrl->value == V4L2_MPEG_VIDEO_ENCODING_MPEG_4_AVC)
- ret = 0;
- break;
-/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
-/* if (ctrl->value == 0 || ctrl->value == 128) */
-/* ret = 0; */
-/* break; */
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR ||
- ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR)
- ret = 0;
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE:
- {
- uint bitrate = ctrl->value / 100000;
- if (bitrate >= 10 && bitrate <= 135)
- ret = 0;
- break;
- }
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK:
- {
- uint peak_bitrate = ctrl->value / 100000;
- if (peak_bitrate >= 10 && peak_bitrate <= 202)
- ret = 0;
- break;
- }
- case V4L2_CID_MPEG_STREAM_TYPE:
- if (ctrl->value == V4L2_MPEG_STREAM_TYPE_MPEG2_TS)
- ret = 0;
- break;
- default:
- return -EINVAL;
- }
- return ret;
-}
-
-static int vidioc_try_ext_ctrls(struct file *file, void *priv,
- struct v4l2_ext_controls *ctrls)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- int i, err = 0;
-
- if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
- for (i = 0; i < ctrls->count; i++) {
- struct v4l2_ext_control *ctrl = ctrls->controls + i;
-
- err = hdpvr_try_ctrl(ctrl,
- dev->flags & HDPVR_FLAG_AC3_CAP);
- if (err) {
- ctrls->error_idx = i;
- break;
- }
- }
- return err;
- }
-
- return -EINVAL;
-}
-
-
-static int hdpvr_set_ctrl(struct hdpvr_device *dev,
- struct v4l2_ext_control *ctrl)
-{
- struct hdpvr_options *opt = &dev->options;
- int ret = 0;
-
- switch (ctrl->id) {
- case V4L2_CID_MPEG_AUDIO_ENCODING:
- if (dev->flags & HDPVR_FLAG_AC3_CAP) {
- opt->audio_codec = ctrl->value;
- ret = hdpvr_set_audio(dev, opt->audio_input,
- opt->audio_codec);
- }
- break;
- case V4L2_CID_MPEG_VIDEO_ENCODING:
- break;
-/* case V4L2_CID_MPEG_VIDEO_B_FRAMES: */
-/* if (ctrl->value == 0 && !(opt->gop_mode & 0x2)) { */
-/* opt->gop_mode |= 0x2; */
-/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */
-/* opt->gop_mode); */
-/* } */
-/* if (ctrl->value == 128 && opt->gop_mode & 0x2) { */
-/* opt->gop_mode &= ~0x2; */
-/* hdpvr_config_call(dev, CTRL_GOP_MODE_VALUE, */
-/* opt->gop_mode); */
-/* } */
-/* break; */
- case V4L2_CID_MPEG_VIDEO_BITRATE_MODE:
- if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR &&
- opt->bitrate_mode != HDPVR_CONSTANT) {
- opt->bitrate_mode = HDPVR_CONSTANT;
- hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
- opt->bitrate_mode);
- }
- if (ctrl->value == V4L2_MPEG_VIDEO_BITRATE_MODE_VBR &&
- opt->bitrate_mode == HDPVR_CONSTANT) {
- opt->bitrate_mode = HDPVR_VARIABLE_AVERAGE;
- hdpvr_config_call(dev, CTRL_BITRATE_MODE_VALUE,
- opt->bitrate_mode);
- }
- break;
- case V4L2_CID_MPEG_VIDEO_BITRATE: {
- uint bitrate = ctrl->value / 100000;
-
- opt->bitrate = bitrate;
- if (bitrate >= opt->peak_bitrate)
- opt->peak_bitrate = bitrate+1;
-
- hdpvr_set_bitrate(dev);
- break;
- }
- case V4L2_CID_MPEG_VIDEO_BITRATE_PEAK: {
- uint peak_bitrate = ctrl->value / 100000;
-
- if (opt->bitrate_mode == HDPVR_CONSTANT)
- break;
-
- if (opt->bitrate < peak_bitrate) {
- opt->peak_bitrate = peak_bitrate;
- hdpvr_set_bitrate(dev);
- } else
- ret = -EINVAL;
- break;
- }
- case V4L2_CID_MPEG_STREAM_TYPE:
- break;
- default:
- return -EINVAL;
- }
- return ret;
-}
-
-static int vidioc_s_ext_ctrls(struct file *file, void *priv,
- struct v4l2_ext_controls *ctrls)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- int i, err = 0;
-
- if (ctrls->ctrl_class == V4L2_CTRL_CLASS_MPEG) {
- for (i = 0; i < ctrls->count; i++) {
- struct v4l2_ext_control *ctrl = ctrls->controls + i;
-
- err = hdpvr_try_ctrl(ctrl,
- dev->flags & HDPVR_FLAG_AC3_CAP);
- if (err) {
- ctrls->error_idx = i;
- break;
- }
- err = hdpvr_set_ctrl(dev, ctrl);
- if (err) {
- ctrls->error_idx = i;
- break;
- }
- }
- return err;
-
- }
-
- return -EINVAL;
-}
-
-static int vidioc_enum_fmt_vid_cap(struct file *file, void *private_data,
- struct v4l2_fmtdesc *f)
-{
-
- if (f->index != 0 || f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
- return -EINVAL;
-
- f->flags = V4L2_FMT_FLAG_COMPRESSED;
- strncpy(f->description, "MPEG2-TS with AVC/AAC streams", 32);
- f->pixelformat = V4L2_PIX_FMT_MPEG;
-
- return 0;
-}
-
-static int vidioc_g_fmt_vid_cap(struct file *file, void *private_data,
- struct v4l2_format *f)
-{
- struct hdpvr_fh *fh = file->private_data;
- struct hdpvr_device *dev = fh->dev;
- struct hdpvr_video_info *vid_info;
-
- if (!dev)
- return -ENODEV;
-
- vid_info = get_video_info(dev);
- if (!vid_info)
- return -EFAULT;
-
- f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
- f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
- f->fmt.pix.width = vid_info->width;
- f->fmt.pix.height = vid_info->height;
- f->fmt.pix.sizeimage = dev->bulk_in_size;
- f->fmt.pix.colorspace = 0;
- f->fmt.pix.bytesperline = 0;
- f->fmt.pix.field = V4L2_FIELD_ANY;
-
- kfree(vid_info);
- return 0;
-}
-
-static int vidioc_encoder_cmd(struct file *filp, void *priv,
- struct v4l2_encoder_cmd *a)
-{
- struct hdpvr_fh *fh = filp->private_data;
- struct hdpvr_device *dev = fh->dev;
- int res;
-
- mutex_lock(&dev->io_mutex);
-
- memset(&a->raw, 0, sizeof(a->raw));
- switch (a->cmd) {
- case V4L2_ENC_CMD_START:
- a->flags = 0;
- res = hdpvr_start_streaming(dev);
- break;
- case V4L2_ENC_CMD_STOP:
- res = hdpvr_stop_streaming(dev);
- break;
- default:
- v4l2_dbg(MSG_INFO, hdpvr_debug, &dev->v4l2_dev,
- "Unsupported encoder cmd %d\n", a->cmd);
- res = -EINVAL;
- }
- mutex_unlock(&dev->io_mutex);
- return res;
-}
-
-static int vidioc_try_encoder_cmd(struct file *filp, void *priv,
- struct v4l2_encoder_cmd *a)
-{
- switch (a->cmd) {
- case V4L2_ENC_CMD_START:
- case V4L2_ENC_CMD_STOP:
- return 0;
- default:
- return -EINVAL;
- }
-}
-
-static const struct v4l2_ioctl_ops hdpvr_ioctl_ops = {
- .vidioc_querycap = vidioc_querycap,
- .vidioc_s_std = vidioc_s_std,
- .vidioc_enum_input = vidioc_enum_input,
- .vidioc_g_input = vidioc_g_input,
- .vidioc_s_input = vidioc_s_input,
- .vidioc_enumaudio = vidioc_enumaudio,
- .vidioc_g_audio = vidioc_g_audio,
- .vidioc_s_audio = vidioc_s_audio,
- .vidioc_queryctrl = vidioc_queryctrl,
- .vidioc_g_ctrl = vidioc_g_ctrl,
- .vidioc_s_ctrl = vidioc_s_ctrl,
- .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
- .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
- .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
- .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
- .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
- .vidioc_encoder_cmd = vidioc_encoder_cmd,
- .vidioc_try_encoder_cmd = vidioc_try_encoder_cmd,
-};
-
-static void hdpvr_device_release(struct video_device *vdev)
-{
- struct hdpvr_device *dev = video_get_drvdata(vdev);
-
- hdpvr_delete(dev);
- mutex_lock(&dev->io_mutex);
- destroy_workqueue(dev->workqueue);
- mutex_unlock(&dev->io_mutex);
-
- v4l2_device_unregister(&dev->v4l2_dev);
-
- /* deregister I2C adapter */
-#if defined(CONFIG_I2C) || (CONFIG_I2C_MODULE)
- mutex_lock(&dev->i2c_mutex);
- i2c_del_adapter(&dev->i2c_adapter);
- mutex_unlock(&dev->i2c_mutex);
-#endif /* CONFIG_I2C */
-
- kfree(dev->usbc_buf);
- kfree(dev);
-}
-
-static const struct video_device hdpvr_video_template = {
-/* .type = VFL_TYPE_GRABBER, */
-/* .type2 = VID_TYPE_CAPTURE | VID_TYPE_MPEG_ENCODER, */
- .fops = &hdpvr_fops,
- .release = hdpvr_device_release,
- .ioctl_ops = &hdpvr_ioctl_ops,
- .tvnorms =
- V4L2_STD_NTSC | V4L2_STD_SECAM | V4L2_STD_PAL_B |
- V4L2_STD_PAL_G | V4L2_STD_PAL_H | V4L2_STD_PAL_I |
- V4L2_STD_PAL_D | V4L2_STD_PAL_M | V4L2_STD_PAL_N |
- V4L2_STD_PAL_60,
- .current_norm = V4L2_STD_NTSC | V4L2_STD_PAL_M |
- V4L2_STD_PAL_60,
-};
-
-int hdpvr_register_videodev(struct hdpvr_device *dev, struct device *parent,
- int devnum)
-{
- /* setup and register video device */
- dev->video_dev = video_device_alloc();
- if (!dev->video_dev) {
- v4l2_err(&dev->v4l2_dev, "video_device_alloc() failed\n");
- goto error;
- }
-
- *(dev->video_dev) = hdpvr_video_template;
- strcpy(dev->video_dev->name, "Hauppauge HD PVR");
- dev->video_dev->parent = parent;
- video_set_drvdata(dev->video_dev, dev);
-
- if (video_register_device(dev->video_dev, VFL_TYPE_GRABBER, devnum)) {
- v4l2_err(&dev->v4l2_dev, "video_device registration failed\n");
- goto error;
- }
-
- return 0;
-error:
- return -ENOMEM;
-}