diff options
Diffstat (limited to 'drivers/media/video/hdpvr/hdpvr-video.c')
| -rw-r--r-- | drivers/media/video/hdpvr/hdpvr-video.c | 1289 |
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 0e9e156..0000000 --- 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; -} |
