From patchwork Tue Jan 13 02:56:56 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shuah Khan X-Patchwork-Id: 5617461 Return-Path: X-Original-To: patchwork-linux-media@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 9708F9F665 for ; Tue, 13 Jan 2015 02:57:50 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 32BE820600 for ; Tue, 13 Jan 2015 02:57:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A77EB205DD for ; Tue, 13 Jan 2015 02:57:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753598AbbAMC5l (ORCPT ); Mon, 12 Jan 2015 21:57:41 -0500 Received: from resqmta-po-07v.sys.comcast.net ([96.114.154.166]:42812 "EHLO resqmta-po-07v.sys.comcast.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753434AbbAMC5H (ORCPT ); Mon, 12 Jan 2015 21:57:07 -0500 Received: from resomta-po-15v.sys.comcast.net ([96.114.154.239]) by resqmta-po-07v.sys.comcast.net with comcast id fEwj1p0015AAYLo01Ex3Tr; Tue, 13 Jan 2015 02:57:03 +0000 Received: from mail.gonehiking.org ([50.134.149.16]) by resomta-po-15v.sys.comcast.net with comcast id fEx31p0010MU7Qa01Ex3dD; Tue, 13 Jan 2015 02:57:03 +0000 Received: from lorien.internal (lorien-wl.internal [192.168.1.40]) by mail.gonehiking.org (Postfix) with ESMTP id B7BE44178A; Mon, 12 Jan 2015 19:57:02 -0700 (MST) From: Shuah Khan To: m.chehab@samsung.com, hans.verkuil@cisco.com, dheitmueller@kernellabs.com, prabhakar.csengg@gmail.com, sakari.ailus@linux.intel.com, laurent.pinchart@ideasonboard.com, ttmesterr@gmail.com Cc: Shuah Khan , linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 2/3] media: au0828 - convert to use videobuf2 Date: Mon, 12 Jan 2015 19:56:56 -0700 Message-Id: <9642c73eb38234cd69059c4a64bfde5205d637c2.1421115389.git.shuahkh@osg.samsung.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: References: In-Reply-To: References: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=comcast.net; s=q20140121; t=1421117823; bh=kpocoJ6WuZnqm+kc1u0v5mDGgociZS0jqFuug0qUaDE=; h=Received:Received:Received:From:To:Subject:Date:Message-Id; b=DH78Uge1xkryalese1d+xzfOtjU7gwZjCHK/xdnEMVYw7CEc/4nhMf6C+vax2cu+u LLQc7qiAXPRE4/HmCZ8mrQW2yy/R4A+YrI1JYkzsQKcLuVWOIb8hXuNV+KjHYFb7OA ZzakUuI2Ft3/86yIAwOerFZlOgj3GEYMo8NlpMuPHiMMmzr3f+Pux+1cF1FwiCxObY xYyM5LsjfcdQ5UzMwIx3UoAN3HE1U5Zwgi3eGC9XTttHcszRyxQ+m2IoJx3jUrX7Aw OuyVSfjeKnUtX5ziwVyQNy4qSP5RbnperW8mM1lWVujMWfESSE00/2hhvauiAN4lFc jBejnmpzHYCqw== Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID,T_RP_MATCHES_RCVD,UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Convert au0828 to use videobuf2. Tested with NTSC. Tested video and vbi devices with xawtv, tvtime, and vlc. Ran v4l2-compliance to ensure there are no regressions. video now has no failures and vbi has 3 fewer failures. video before: test VIDIOC_G_FMT: FAIL 3 failures Total: 72, Succeeded: 69, Failed: 3, Warnings: 0 Video after: Total: 72, Succeeded: 72, Failed: 0, Warnings: 18 vbi before: test VIDIOC_REQBUFS/CREATE_BUFS/QUERYBUF: FAIL test VIDIOC_EXPBUF: FAIL test USERPTR: FAIL Total: 72, Succeeded: 66, Failed: 6, Warnings: 0 vbi after: test VIDIOC_QUERYCAP: FAIL test MMAP: FAIL Total: 78, Succeeded: 75, Failed: 3, Warnings: 0 Signed-off-by: Shuah Khan --- drivers/media/usb/au0828/Kconfig | 2 +- drivers/media/usb/au0828/au0828-vbi.c | 122 ++-- drivers/media/usb/au0828/au0828-video.c | 962 ++++++++++++-------------------- drivers/media/usb/au0828/au0828.h | 61 +- 4 files changed, 443 insertions(+), 704 deletions(-) diff --git a/drivers/media/usb/au0828/Kconfig b/drivers/media/usb/au0828/Kconfig index 1d410ac..78b797e 100644 --- a/drivers/media/usb/au0828/Kconfig +++ b/drivers/media/usb/au0828/Kconfig @@ -4,7 +4,7 @@ config VIDEO_AU0828 depends on I2C && INPUT && DVB_CORE && USB select I2C_ALGOBIT select VIDEO_TVEEPROM - select VIDEOBUF_VMALLOC + select VIDEOBUF2_VMALLOC select DVB_AU8522_DTV if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_XC5000 if MEDIA_SUBDRV_AUTOSELECT select MEDIA_TUNER_MXL5007T if MEDIA_SUBDRV_AUTOSELECT diff --git a/drivers/media/usb/au0828/au0828-vbi.c b/drivers/media/usb/au0828/au0828-vbi.c index 932d24f..f67247c 100644 --- a/drivers/media/usb/au0828/au0828-vbi.c +++ b/drivers/media/usb/au0828/au0828-vbi.c @@ -28,111 +28,67 @@ #include #include -static unsigned int vbibufs = 5; -module_param(vbibufs, int, 0644); -MODULE_PARM_DESC(vbibufs, "number of vbi buffers, range 2-32"); - /* ------------------------------------------------------------------ */ -static void -free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) +static int vbi_queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], void *alloc_ctxs[]) { - struct au0828_fh *fh = vq->priv_data; - struct au0828_dev *dev = fh->dev; - unsigned long flags = 0; - if (in_interrupt()) - BUG(); - - /* We used to wait for the buffer to finish here, but this didn't work - because, as we were keeping the state as VIDEOBUF_QUEUED, - videobuf_queue_cancel marked it as finished for us. - (Also, it could wedge forever if the hardware was misconfigured.) - - This should be safe; by the time we get here, the buffer isn't - queued anymore. If we ever start marking the buffers as - VIDEOBUF_ACTIVE, it won't be, though. - */ - spin_lock_irqsave(&dev->slock, flags); - if (dev->isoc_ctl.vbi_buf == buf) - dev->isoc_ctl.vbi_buf = NULL; - spin_unlock_irqrestore(&dev->slock, flags); + struct au0828_dev *dev = vb2_get_drv_priv(vq); + unsigned long img_size = dev->vbi_width * dev->vbi_height * 2; + unsigned long size; - videobuf_vmalloc_free(&buf->vb); - buf->vb.state = VIDEOBUF_NEEDS_INIT; -} - -static int -vbi_setup(struct videobuf_queue *q, unsigned int *count, unsigned int *size) -{ - struct au0828_fh *fh = q->priv_data; - struct au0828_dev *dev = fh->dev; + size = fmt ? (fmt->fmt.vbi.samples_per_line * + (fmt->fmt.vbi.count[0] + fmt->fmt.vbi.count[1])) : img_size; + if (size < img_size) + return -EINVAL; - *size = dev->vbi_width * dev->vbi_height * 2; + *nplanes = 1; + sizes[0] = size; - if (0 == *count) - *count = vbibufs; - if (*count < 2) - *count = 2; - if (*count > 32) - *count = 32; return 0; } -static int -vbi_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb, - enum v4l2_field field) +static int vbi_buffer_prepare(struct vb2_buffer *vb) { - struct au0828_fh *fh = q->priv_data; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue); struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); - int rc = 0; + unsigned long size; - buf->vb.size = dev->vbi_width * dev->vbi_height * 2; + size = dev->vbi_width * dev->vbi_height * 2; - if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) + if (vb2_plane_size(vb, 0) < size) { + pr_err("%s data will not fit into plane (%lu < %lu)\n", + __func__, vb2_plane_size(vb, 0), size); return -EINVAL; - - buf->vb.width = dev->vbi_width; - buf->vb.height = dev->vbi_height; - buf->vb.field = field; - - if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { - rc = videobuf_iolock(q, &buf->vb, NULL); - if (rc < 0) - goto fail; } + vb2_set_plane_payload(&buf->vb, 0, size); - buf->vb.state = VIDEOBUF_PREPARED; return 0; - -fail: - free_buffer(q, buf); - return rc; } static void -vbi_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) -{ - struct au0828_buffer *buf = container_of(vb, - struct au0828_buffer, - vb); - struct au0828_fh *fh = vq->priv_data; - struct au0828_dev *dev = fh->dev; - struct au0828_dmaqueue *vbiq = &dev->vbiq; - - buf->vb.state = VIDEOBUF_QUEUED; - list_add_tail(&buf->vb.queue, &vbiq->active); -} - -static void vbi_release(struct videobuf_queue *q, struct videobuf_buffer *vb) +vbi_buffer_queue(struct vb2_buffer *vb) { + struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue); struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); - free_buffer(q, buf); + struct au0828_dmaqueue *vbiq = &dev->vbiq; + 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, &vbiq->active); + spin_unlock_irqrestore(&dev->slock, flags); } -struct videobuf_queue_ops au0828_vbi_qops = { - .buf_setup = vbi_setup, - .buf_prepare = vbi_prepare, - .buf_queue = vbi_queue, - .buf_release = vbi_release, +struct vb2_ops au0828_vbi_qops = { + .queue_setup = vbi_queue_setup, + .buf_prepare = vbi_buffer_prepare, + .buf_queue = vbi_buffer_queue, + .start_streaming = au0828_start_analog_streaming, + .stop_streaming = au0828_stop_vbi_streaming, + .wait_prepare = vb2_ops_wait_prepare, + .wait_finish = vb2_ops_wait_finish, }; diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c index 8a7a547..e427913 100644 --- a/drivers/media/usb/au0828/au0828-video.c +++ b/drivers/media/usb/au0828/au0828-video.c @@ -218,9 +218,6 @@ static int au0828_init_isoc(struct au0828_dev *dev, int max_packets, au0828_isocdbg("au0828: called au0828_prepare_isoc\n"); - /* De-allocates all pending stuff */ - au0828_uninit_isoc(dev); - dev->isoc_ctl.isoc_copy = isoc_copy; dev->isoc_ctl.num_bufs = num_bufs; @@ -284,8 +281,6 @@ static int au0828_init_isoc(struct au0828_dev *dev, int max_packets, } } - init_waitqueue_head(&dma_q->wq); - /* 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); @@ -308,16 +303,12 @@ static inline void buffer_filled(struct au0828_dev *dev, struct au0828_buffer *buf) { /* Advice that buffer was filled */ - au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); - - buf->vb.state = VIDEOBUF_DONE; - buf->vb.field_count++; - v4l2_get_timestamp(&buf->vb.ts); + au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); - dev->isoc_ctl.buf = NULL; - - list_del(&buf->vb.queue); - wake_up(&buf->vb.done); + buf->vb.v4l2_buf.sequence = dev->frame_count++; + buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED; + v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE); } static inline void vbi_buffer_filled(struct au0828_dev *dev, @@ -325,16 +316,12 @@ static inline void vbi_buffer_filled(struct au0828_dev *dev, struct au0828_buffer *buf) { /* Advice that buffer was filled */ - au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i); - - buf->vb.state = VIDEOBUF_DONE; - buf->vb.field_count++; - v4l2_get_timestamp(&buf->vb.ts); + au0828_isocdbg("[%p/%d] wakeup\n", buf, buf->top_field); - dev->isoc_ctl.vbi_buf = NULL; - - list_del(&buf->vb.queue); - wake_up(&buf->vb.done); + buf->vb.v4l2_buf.sequence = dev->vbi_frame_count++; + buf->vb.v4l2_buf.field = V4L2_FIELD_INTERLACED; + v4l2_get_timestamp(&buf->vb.v4l2_buf.timestamp); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_DONE); } /* @@ -353,8 +340,8 @@ static void au0828_copy_video(struct au0828_dev *dev, if (len == 0) return; - if (dma_q->pos + len > buf->vb.size) - len = buf->vb.size - dma_q->pos; + if (dma_q->pos + len > buf->length) + len = buf->length - dma_q->pos; startread = p; remain = len; @@ -372,11 +359,11 @@ static void au0828_copy_video(struct au0828_dev *dev, lencopy = bytesperline - currlinedone; lencopy = lencopy > remain ? remain : lencopy; - if ((char *)startwrite + lencopy > (char *)outp + buf->vb.size) { + 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->vb.size)); - remain = (char *)outp + buf->vb.size - (char *)startwrite; + ((char *)outp + buf->length)); + remain = (char *)outp + buf->length - (char *)startwrite; lencopy = remain; } if (lencopy <= 0) @@ -394,11 +381,11 @@ static void au0828_copy_video(struct au0828_dev *dev, lencopy = bytesperline; if ((char *)startwrite + lencopy > (char *)outp + - buf->vb.size) { + buf->length) { au0828_isocdbg("Overflow %zi bytes past buf end (2)\n", ((char *)startwrite + lencopy) - - ((char *)outp + buf->vb.size)); - lencopy = remain = (char *)outp + buf->vb.size - + ((char *)outp + buf->length)); + lencopy = remain = (char *)outp + buf->length - (char *)startwrite; } if (lencopy <= 0) @@ -434,7 +421,11 @@ static inline void get_next_buf(struct au0828_dmaqueue *dma_q, } /* Get the next buffer */ - *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); + *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; @@ -472,8 +463,8 @@ static void au0828_copy_vbi(struct au0828_dev *dev, bytesperline = dev->vbi_width; - if (dma_q->pos + len > buf->vb.size) - len = buf->vb.size - dma_q->pos; + if (dma_q->pos + len > buf->length) + len = buf->length - dma_q->pos; startread = p; startwrite = outp + (dma_q->pos / 2); @@ -496,7 +487,6 @@ 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); - char *outp; if (list_empty(&dma_q->active)) { au0828_isocdbg("No active queue to serve\n"); @@ -506,13 +496,12 @@ static inline void vbi_get_next_buf(struct au0828_dmaqueue *dma_q, } /* Get the next buffer */ - *buf = list_entry(dma_q->active.next, struct au0828_buffer, vb.queue); + *buf = list_entry(dma_q->active.next, struct au0828_buffer, list); /* Cleans up buffer - Useful for testing for frame/URB loss */ - outp = videobuf_to_vmalloc(&(*buf)->vb); - memset(outp, 0x00, (*buf)->vb.size); - + list_del(&(*buf)->list); + dma_q->pos = 0; + (*buf)->vb_buf = (*buf)->mem; dev->isoc_ctl.vbi_buf = *buf; - return; } @@ -548,11 +537,11 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) buf = dev->isoc_ctl.buf; if (buf != NULL) - outp = videobuf_to_vmalloc(&buf->vb); + outp = vb2_plane_vaddr(&buf->vb, 0); vbi_buf = dev->isoc_ctl.vbi_buf; if (vbi_buf != NULL) - vbioutp = videobuf_to_vmalloc(&vbi_buf->vb); + vbioutp = vb2_plane_vaddr(&vbi_buf->vb, 0); for (i = 0; i < urb->number_of_packets; i++) { int status = urb->iso_frame_desc[i].status; @@ -592,8 +581,8 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) if (vbi_buf == NULL) vbioutp = NULL; else - vbioutp = videobuf_to_vmalloc( - &vbi_buf->vb); + vbioutp = vb2_plane_vaddr( + &vbi_buf->vb, 0); /* Video */ if (buf != NULL) @@ -602,7 +591,7 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) if (buf == NULL) outp = NULL; else - outp = videobuf_to_vmalloc(&buf->vb); + outp = vb2_plane_vaddr(&buf->vb, 0); /* As long as isoc traffic is arriving, keep resetting the timer */ @@ -656,130 +645,59 @@ static inline int au0828_isoc_copy(struct au0828_dev *dev, struct urb *urb) return rc; } -static int -buffer_setup(struct videobuf_queue *vq, unsigned int *count, - unsigned int *size) +static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, + unsigned int *nbuffers, unsigned int *nplanes, + unsigned int sizes[], void *alloc_ctxs[]) { - struct au0828_fh *fh = vq->priv_data; - *size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; - - if (0 == *count) - *count = AU0828_DEF_BUF; + struct au0828_dev *dev = vb2_get_drv_priv(vq); + unsigned long img_size = dev->height * dev->bytesperline; + unsigned long size; - if (*count < AU0828_MIN_BUF) - *count = AU0828_MIN_BUF; - return 0; -} + size = fmt ? fmt->fmt.pix.sizeimage : img_size; + if (size < img_size) + return -EINVAL; -/* This is called *without* dev->slock held; please keep it that way */ -static void free_buffer(struct videobuf_queue *vq, struct au0828_buffer *buf) -{ - struct au0828_fh *fh = vq->priv_data; - struct au0828_dev *dev = fh->dev; - unsigned long flags = 0; - if (in_interrupt()) - BUG(); - - /* We used to wait for the buffer to finish here, but this didn't work - because, as we were keeping the state as VIDEOBUF_QUEUED, - videobuf_queue_cancel marked it as finished for us. - (Also, it could wedge forever if the hardware was misconfigured.) - - This should be safe; by the time we get here, the buffer isn't - queued anymore. If we ever start marking the buffers as - VIDEOBUF_ACTIVE, it won't be, though. - */ - spin_lock_irqsave(&dev->slock, flags); - if (dev->isoc_ctl.buf == buf) - dev->isoc_ctl.buf = NULL; - spin_unlock_irqrestore(&dev->slock, flags); + *nplanes = 1; + sizes[0] = size; - videobuf_vmalloc_free(&buf->vb); - buf->vb.state = VIDEOBUF_NEEDS_INIT; + return 0; } static int -buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb, - enum v4l2_field field) +buffer_prepare(struct vb2_buffer *vb) { - struct au0828_fh *fh = vq->priv_data; struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); - struct au0828_dev *dev = fh->dev; - int rc = 0, urb_init = 0; + struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue); - buf->vb.size = (fh->dev->width * fh->dev->height * 16 + 7) >> 3; + buf->length = dev->height * dev->bytesperline; - if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size) + 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; - - buf->vb.width = dev->width; - buf->vb.height = dev->height; - buf->vb.field = field; - - if (VIDEOBUF_NEEDS_INIT == buf->vb.state) { - rc = videobuf_iolock(vq, &buf->vb, NULL); - if (rc < 0) { - pr_info("videobuf_iolock failed\n"); - goto fail; - } } - - if (!dev->isoc_ctl.num_bufs) - urb_init = 1; - - if (urb_init) { - 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"); - goto fail; - } - } - - buf->vb.state = VIDEOBUF_PREPARED; + vb2_set_plane_payload(&buf->vb, 0, buf->length); return 0; - -fail: - free_buffer(vq, buf); - return rc; } static void -buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb) +buffer_queue(struct vb2_buffer *vb) { struct au0828_buffer *buf = container_of(vb, struct au0828_buffer, vb); - struct au0828_fh *fh = vq->priv_data; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = vb2_get_drv_priv(vb->vb2_queue); struct au0828_dmaqueue *vidq = &dev->vidq; + unsigned long flags = 0; - buf->vb.state = VIDEOBUF_QUEUED; - list_add_tail(&buf->vb.queue, &vidq->active); -} - -static void buffer_release(struct videobuf_queue *vq, - struct videobuf_buffer *vb) -{ - struct au0828_buffer *buf = container_of(vb, - struct au0828_buffer, - vb); + buf->mem = vb2_plane_vaddr(vb, 0); + buf->length = vb2_plane_size(vb, 0); - free_buffer(vq, buf); + spin_lock_irqsave(&dev->slock, flags); + list_add_tail(&buf->list, &vidq->active); + spin_unlock_irqrestore(&dev->slock, flags); } -static struct videobuf_queue_ops au0828_video_qops = { - .buf_setup = buffer_setup, - .buf_prepare = buffer_prepare, - .buf_queue = buffer_queue, - .buf_release = buffer_release, -}; - -/* ------------------------------------------------------------------ - V4L2 interface - ------------------------------------------------------------------*/ - static int au0828_i2s_init(struct au0828_dev *dev) { /* Enable i2s mode */ @@ -828,7 +746,7 @@ static int au0828_analog_stream_enable(struct au0828_dev *d) return 0; } -int au0828_analog_stream_disable(struct au0828_dev *d) +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); @@ -861,78 +779,141 @@ static int au0828_stream_interrupt(struct au0828_dev *dev) return 0; } -/* - * au0828_release_resources - * unregister v4l2 devices - */ -void au0828_analog_unregister(struct au0828_dev *dev) +int au0828_start_analog_streaming(struct vb2_queue *vq, unsigned int count) { - dprintk(1, "au0828_release_resources called\n"); - mutex_lock(&au0828_sysfs_lock); + struct au0828_dev *dev = vb2_get_drv_priv(vq); + int rc = 0; - if (dev->vdev) - video_unregister_device(dev->vdev); - if (dev->vbi_dev) - video_unregister_device(dev->vbi_dev); + dprintk(1, "au0828_start_analog_streaming called %d\n", + dev->streaming_users); - mutex_unlock(&au0828_sysfs_lock); -} + 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; + } + if (vq->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { + v4l2_device_call_all(&dev->v4l2_dev, 0, video, + s_stream, 1); + 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; +} -/* Usage lock check functions */ -static int res_get(struct au0828_fh *fh, unsigned int bit) +static void au0828_stop_streaming(struct vb2_queue *vq) { - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = vb2_get_drv_priv(vq); + struct au0828_dmaqueue *vidq = &dev->vidq; + unsigned long flags = 0; + int i; - if (fh->resources & bit) - /* have it already allocated */ - return 1; + dprintk(1, "au0828_stop_streaming called %d\n", dev->streaming_users); - /* is it free? */ - if (dev->resources & bit) { - /* no, someone else uses it */ - return 0; + if (dev->streaming_users-- == 1) + au0828_uninit_isoc(dev); + + spin_lock_irqsave(&dev->slock, flags); + if (dev->isoc_ctl.buf != NULL) { + vb2_buffer_done(&dev->isoc_ctl.buf->vb, VB2_BUF_STATE_ERROR); + dev->isoc_ctl.buf = NULL; } - /* it's free, grab it */ - fh->resources |= bit; - dev->resources |= bit; - dprintk(1, "res: get %d\n", bit); + while (!list_empty(&vidq->active)) { + struct au0828_buffer *buf; - return 1; -} + buf = list_entry(vidq->active.next, struct au0828_buffer, list); + vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); + list_del(&buf->list); + } -static int res_check(struct au0828_fh *fh, unsigned int bit) -{ - return fh->resources & bit; -} + v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); -static int res_locked(struct au0828_dev *dev, unsigned int bit) -{ - return dev->resources & bit; + for (i = 0; i < AU0828_MAX_INPUT; i++) { + if (AUVI_INPUT(i).audio_setup == NULL) + continue; + (AUVI_INPUT(i).audio_setup)(dev, 0); + } + spin_unlock_irqrestore(&dev->slock, flags); + + dev->vid_timeout_running = 0; + del_timer_sync(&dev->vid_timeout); } -static void res_free(struct au0828_fh *fh, unsigned int bits) +void au0828_stop_vbi_streaming(struct vb2_queue *vq) { - struct au0828_dev *dev = fh->dev; + 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); - BUG_ON((fh->resources & bits) != bits); + spin_lock_irqsave(&dev->slock, flags); + if (dev->isoc_ctl.vbi_buf != NULL) { + vb2_buffer_done(&dev->isoc_ctl.vbi_buf->vb, + 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_STATE_ERROR); + } + spin_unlock_irqrestore(&dev->slock, flags); - fh->resources &= ~bits; - dev->resources &= ~bits; - dprintk(1, "res: put %d\n", bits); + dev->vbi_timeout_running = 0; + del_timer_sync(&dev->vbi_timeout); } -static int get_ressource(struct au0828_fh *fh) +static 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 + */ +void au0828_analog_unregister(struct au0828_dev *dev) { - switch (fh->type) { - case V4L2_BUF_TYPE_VIDEO_CAPTURE: - return AU0828_RESOURCE_VIDEO; - case V4L2_BUF_TYPE_VBI_CAPTURE: - return AU0828_RESOURCE_VBI; - default: - BUG(); - return 0; - } + dprintk(1, "au0828_analog_unregister called\n"); + mutex_lock(&au0828_sysfs_lock); + + if (dev->vdev) + video_unregister_device(dev->vdev); + if (dev->vbi_dev) + video_unregister_device(dev->vbi_dev); + + mutex_unlock(&au0828_sysfs_lock); } /* This function ensures that video frames continue to be delivered even if @@ -950,8 +931,8 @@ static void au0828_vid_buffer_timeout(unsigned long data) buf = dev->isoc_ctl.buf; if (buf != NULL) { - vid_data = videobuf_to_vmalloc(&buf->vb); - memset(vid_data, 0x00, buf->vb.size); /* Blank green frame */ + vid_data = vb2_plane_vaddr(&buf->vb, 0); + memset(vid_data, 0x00, buf->length); /* Blank green frame */ buffer_filled(dev, dma_q, buf); } get_next_buf(dma_q, &buf); @@ -974,8 +955,8 @@ static void au0828_vbi_buffer_timeout(unsigned long data) buf = dev->isoc_ctl.vbi_buf; if (buf != NULL) { - vbi_data = videobuf_to_vmalloc(&buf->vb); - memset(vbi_data, 0x00, buf->vb.size); + vbi_data = vb2_plane_vaddr(&buf->vb, 0); + memset(vbi_data, 0x00, buf->length); vbi_buffer_filled(dev, dma_q, buf); } vbi_get_next_buf(dma_q, &buf); @@ -985,105 +966,65 @@ static void au0828_vbi_buffer_timeout(unsigned long data) spin_unlock_irqrestore(&dev->slock, flags); } - static int au0828_v4l2_open(struct file *filp) { - int ret = 0; - struct video_device *vdev = video_devdata(filp); struct au0828_dev *dev = video_drvdata(filp); - struct au0828_fh *fh; - int type; - - switch (vdev->vfl_type) { - case VFL_TYPE_GRABBER: - type = V4L2_BUF_TYPE_VIDEO_CAPTURE; - break; - case VFL_TYPE_VBI: - type = V4L2_BUF_TYPE_VBI_CAPTURE; - break; - default: - return -EINVAL; - } - - fh = kzalloc(sizeof(struct au0828_fh), GFP_KERNEL); - if (NULL == fh) { - dprintk(1, "Failed allocate au0828_fh struct!\n"); - return -ENOMEM; - } + int ret = 0; - fh->type = type; - fh->dev = dev; - v4l2_fh_init(&fh->fh, vdev); - filp->private_data = fh; + dprintk(1, + "%s called std_set %d dev_state %d 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)) { - kfree(fh); + 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); - - /* If we were doing ac97 instead of i2s, it would go here...*/ - au0828_i2s_init(dev); - dev->stream_state = STREAM_OFF; dev->dev_state |= DEV_INITIALIZED; } - dev->users++; mutex_unlock(&dev->lock); - - videobuf_queue_vmalloc_init(&fh->vb_vidq, &au0828_video_qops, - NULL, &dev->slock, - V4L2_BUF_TYPE_VIDEO_CAPTURE, - V4L2_FIELD_INTERLACED, - sizeof(struct au0828_buffer), fh, - &dev->lock); - - /* VBI Setup */ - videobuf_queue_vmalloc_init(&fh->vb_vbiq, &au0828_vbi_qops, - NULL, &dev->slock, - V4L2_BUF_TYPE_VBI_CAPTURE, - V4L2_FIELD_SEQ_TB, - sizeof(struct au0828_buffer), fh, - &dev->lock); - v4l2_fh_add(&fh->fh); return ret; } static int au0828_v4l2_close(struct file *filp) { int ret; - struct au0828_fh *fh = filp->private_data; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(filp); + struct video_device *vdev = video_devdata(filp); + + dprintk(1, + "%s called std_set %d dev_state %d stream users %d users %d\n", + __func__, dev->std_set_in_tuner_core, dev->dev_state, + dev->streaming_users, dev->users); - v4l2_fh_del(&fh->fh); - v4l2_fh_exit(&fh->fh); mutex_lock(&dev->lock); - if (res_check(fh, AU0828_RESOURCE_VIDEO)) { + if (vdev->vfl_type == VFL_TYPE_GRABBER && 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); - - videobuf_stop(&fh->vb_vidq); - res_free(fh, AU0828_RESOURCE_VIDEO); - } - - if (res_check(fh, AU0828_RESOURCE_VBI)) { + } 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); - - videobuf_stop(&fh->vb_vbiq); - res_free(fh, AU0828_RESOURCE_VBI); } - if (dev->users == 1 && video_is_registered(video_devdata(filp))) { - au0828_analog_stream_disable(dev); - - au0828_uninit_isoc(dev); + if (dev->dev_state == DEV_DISCONNECTED) + goto end; + if (dev->users == 1) { /* Save some power by putting tuner to sleep */ v4l2_device_call_all(&dev->v4l2_dev, 0, core, s_power, 0); dev->std_set_in_tuner_core = 0; @@ -1094,13 +1035,10 @@ static int au0828_v4l2_close(struct file *filp) if (ret < 0) pr_info("Au0828 can't set alternate to 0!\n"); } - mutex_unlock(&dev->lock); - - videobuf_mmap_free(&fh->vb_vidq); - videobuf_mmap_free(&fh->vb_vbiq); - kfree(fh); +end: + _vb2_fop_release(filp, NULL); dev->users--; - wake_up_interruptible_nr(&dev->open, 1); + mutex_unlock(&dev->lock); return 0; } @@ -1112,6 +1050,9 @@ static void au0828_init_tuner(struct au0828_dev *dev) .type = V4L2_TUNER_ANALOG_TV, }; + dprintk(1, "%s called std_set %d dev_state %d\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; @@ -1124,98 +1065,6 @@ static void au0828_init_tuner(struct au0828_dev *dev) i2c_gate_ctrl(dev, 0); } -static ssize_t au0828_v4l2_read(struct file *filp, char __user *buf, - size_t count, loff_t *pos) -{ - struct au0828_fh *fh = filp->private_data; - struct au0828_dev *dev = fh->dev; - int rc; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - if (mutex_lock_interruptible(&dev->lock)) - return -ERESTARTSYS; - au0828_init_tuner(dev); - mutex_unlock(&dev->lock); - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - if (res_locked(dev, AU0828_RESOURCE_VIDEO)) - return -EBUSY; - - return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0, - filp->f_flags & O_NONBLOCK); - } - - if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { - if (!res_get(fh, AU0828_RESOURCE_VBI)) - return -EBUSY; - - if (dev->vbi_timeout_running == 0) { - /* Handle case where caller tries to read without - calling streamon first */ - dev->vbi_timeout_running = 1; - mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); - } - - return videobuf_read_stream(&fh->vb_vbiq, buf, count, pos, 0, - filp->f_flags & O_NONBLOCK); - } - - return 0; -} - -static unsigned int au0828_v4l2_poll(struct file *filp, poll_table *wait) -{ - struct au0828_fh *fh = filp->private_data; - struct au0828_dev *dev = fh->dev; - unsigned long req_events = poll_requested_events(wait); - unsigned int res; - - if (check_dev(dev) < 0) - return POLLERR; - - res = v4l2_ctrl_poll(filp, wait); - if (!(req_events & (POLLIN | POLLRDNORM))) - return res; - - if (mutex_lock_interruptible(&dev->lock)) - return -ERESTARTSYS; - au0828_init_tuner(dev); - mutex_unlock(&dev->lock); - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - if (!res_get(fh, AU0828_RESOURCE_VIDEO)) - return POLLERR; - return res | videobuf_poll_stream(filp, &fh->vb_vidq, wait); - } - if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { - if (!res_get(fh, AU0828_RESOURCE_VBI)) - return POLLERR; - return res | videobuf_poll_stream(filp, &fh->vb_vbiq, wait); - } - return POLLERR; -} - -static int au0828_v4l2_mmap(struct file *filp, struct vm_area_struct *vma) -{ - struct au0828_fh *fh = filp->private_data; - struct au0828_dev *dev = fh->dev; - int rc; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - rc = videobuf_mmap_mapper(&fh->vb_vidq, vma); - else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) - rc = videobuf_mmap_mapper(&fh->vb_vbiq, vma); - - return rc; -} - static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, struct v4l2_format *format) { @@ -1267,13 +1116,14 @@ static int au0828_set_format(struct au0828_dev *dev, unsigned int cmd, return 0; } - static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *cap) { struct video_device *vdev = video_devdata(file); - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); strlcpy(cap->driver, "au0828", sizeof(cap->driver)); strlcpy(cap->card, dev->board.name, sizeof(cap->card)); @@ -1299,6 +1149,8 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, if (f->index) return -EINVAL; + dprintk(1, "%s called\n", __func__); + f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; strcpy(f->description, "Packed YUV2"); @@ -1311,8 +1163,10 @@ static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv, static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); f->fmt.pix.width = dev->width; f->fmt.pix.height = dev->height; @@ -1328,8 +1182,10 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv, static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); return au0828_set_format(dev, VIDIOC_TRY_FMT, f); } @@ -1337,15 +1193,17 @@ static int vidioc_try_fmt_vid_cap(struct file *file, void *priv, static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, struct v4l2_format *f) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); int rc; + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); + rc = check_dev(dev); if (rc < 0) return rc; - if (videobuf_queue_is_busy(&fh->vb_vidq)) { + if (vb2_is_busy(&dev->vb_vidq)) { pr_info("%s queue busy\n", __func__); rc = -EBUSY; goto out; @@ -1358,8 +1216,16 @@ out: static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\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; @@ -1382,8 +1248,10 @@ static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id norm) static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); *norm = dev->std; return 0; @@ -1392,8 +1260,7 @@ static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *norm) static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *input) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); unsigned int tmp; static const char *inames[] = { @@ -1406,6 +1273,9 @@ static int vidioc_enum_input(struct file *file, void *priv, [AU0828_VMUX_DEBUG] = "tv debug" }; + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); + tmp = input->index; if (tmp >= AU0828_MAX_INPUT) @@ -1431,8 +1301,11 @@ static int vidioc_enum_input(struct file *file, void *priv, static int vidioc_g_input(struct file *file, void *priv, unsigned int *i) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); + *i = dev->ctrl_input; return 0; } @@ -1441,6 +1314,9 @@ static void au0828_s_input(struct au0828_dev *dev, int index) { int i; + dprintk(1, "%s called std_set %d dev_state %d\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; @@ -1490,8 +1366,7 @@ static void au0828_s_input(struct au0828_dev *dev, int index) static int vidioc_s_input(struct file *file, void *priv, unsigned int index) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); dprintk(1, "VIDIOC_S_INPUT in function %s, input=%d\n", __func__, index); @@ -1509,6 +1384,8 @@ 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) strcpy(a->name, "Television"); else @@ -1520,8 +1397,10 @@ static int vidioc_enumaudio(struct file *file, void *priv, struct v4l2_audio *a) static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); a->index = dev->ctrl_ainput; if (a->index == 0) @@ -1535,22 +1414,26 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a) static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); if (a->index != dev->ctrl_ainput) return -EINVAL; + + dprintk(1, "%s called std_set %d dev_state %d\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_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); if (t->index != 0) return -EINVAL; + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); + strcpy(t->name, "Auvitek tuner"); au0828_init_tuner(dev); @@ -1563,12 +1446,14 @@ static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t) static int vidioc_s_tuner(struct file *file, void *priv, const struct v4l2_tuner *t) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); if (t->index != 0) return -EINVAL; + dprintk(1, "%s called std_set %d dev_state %d\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); @@ -1584,11 +1469,12 @@ static int vidioc_s_tuner(struct file *file, void *priv, static int vidioc_g_frequency(struct file *file, void *priv, struct v4l2_frequency *freq) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); if (freq->tuner != 0) return -EINVAL; + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); freq->frequency = dev->ctrl_freq; return 0; } @@ -1596,13 +1482,15 @@ static int vidioc_g_frequency(struct file *file, void *priv, static int vidioc_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *freq) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + 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 %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); + au0828_init_tuner(dev); i2c_gate_ctrl(dev, 1); @@ -1624,8 +1512,10 @@ static int vidioc_s_frequency(struct file *file, void *priv, static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, struct v4l2_format *format) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\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; @@ -1645,12 +1535,14 @@ static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv, static int vidioc_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cc) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) return -EINVAL; + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); + cc->bounds.left = 0; cc->bounds.top = 0; cc->bounds.width = dev->width; @@ -1664,105 +1556,14 @@ static int vidioc_cropcap(struct file *file, void *priv, return 0; } -static int vidioc_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; - int rc = -EINVAL; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - if (unlikely(type != fh->type)) - return -EINVAL; - - dprintk(1, "vidioc_streamon fh=%p t=%d fh->res=%d dev->res=%d\n", - fh, type, fh->resources, dev->resources); - - if (unlikely(!res_get(fh, get_ressource(fh)))) - return -EBUSY; - - au0828_init_tuner(dev); - if (type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - au0828_analog_stream_enable(dev); - v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 1); - } - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - rc = videobuf_streamon(&fh->vb_vidq); - dev->vid_timeout_running = 1; - mod_timer(&dev->vid_timeout, jiffies + (HZ / 10)); - } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { - rc = videobuf_streamon(&fh->vb_vbiq); - dev->vbi_timeout_running = 1; - mod_timer(&dev->vbi_timeout, jiffies + (HZ / 10)); - } - - return rc; -} - -static int vidioc_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; - int rc; - int i; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - if (fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE && - fh->type != V4L2_BUF_TYPE_VBI_CAPTURE) - return -EINVAL; - if (type != fh->type) - return -EINVAL; - - dprintk(1, "vidioc_streamoff fh=%p t=%d fh->res=%d dev->res=%d\n", - fh, type, fh->resources, dev->resources); - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { - dev->vid_timeout_running = 0; - del_timer_sync(&dev->vid_timeout); - - au0828_analog_stream_disable(dev); - v4l2_device_call_all(&dev->v4l2_dev, 0, video, s_stream, 0); - rc = au0828_stream_interrupt(dev); - if (rc != 0) - return rc; - - for (i = 0; i < AU0828_MAX_INPUT; i++) { - if (AUVI_INPUT(i).audio_setup == NULL) - continue; - (AUVI_INPUT(i).audio_setup)(dev, 0); - } - - if (res_check(fh, AU0828_RESOURCE_VIDEO)) { - videobuf_streamoff(&fh->vb_vidq); - res_free(fh, AU0828_RESOURCE_VIDEO); - } - } else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) { - dev->vbi_timeout_running = 0; - del_timer_sync(&dev->vbi_timeout); - - if (res_check(fh, AU0828_RESOURCE_VBI)) { - videobuf_streamoff(&fh->vb_vbiq); - res_free(fh, AU0828_RESOURCE_VBI); - } - } - - return 0; -} - #ifdef CONFIG_VIDEO_ADV_DEBUG static int vidioc_g_register(struct file *file, void *priv, struct v4l2_dbg_register *reg) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); reg->val = au0828_read(dev, reg->reg); reg->size = 1; @@ -1772,8 +1573,10 @@ static int vidioc_g_register(struct file *file, void *priv, static int vidioc_s_register(struct file *file, void *priv, const struct v4l2_dbg_register *reg) { - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; + struct au0828_dev *dev = video_drvdata(file); + + dprintk(1, "%s called std_set %d dev_state %d\n", __func__, + dev->std_set_in_tuner_core, dev->dev_state); return au0828_writereg(dev, reg->reg, reg->val); } @@ -1783,93 +1586,13 @@ 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; } -static int vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *rb) -{ - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; - int rc; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - rc = videobuf_reqbufs(&fh->vb_vidq, rb); - else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) - rc = videobuf_reqbufs(&fh->vb_vbiq, rb); - - return rc; -} - -static int vidioc_querybuf(struct file *file, void *priv, - struct v4l2_buffer *b) -{ - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; - int rc; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - rc = videobuf_querybuf(&fh->vb_vidq, b); - else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) - rc = videobuf_querybuf(&fh->vb_vbiq, b); - - return rc; -} - -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b) -{ - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; - int rc; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - rc = videobuf_qbuf(&fh->vb_vidq, b); - else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) - rc = videobuf_qbuf(&fh->vb_vbiq, b); - - return rc; -} - -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b) -{ - struct au0828_fh *fh = priv; - struct au0828_dev *dev = fh->dev; - int rc; - - rc = check_dev(dev); - if (rc < 0) - return rc; - - /* Workaround for a bug in the au0828 hardware design that sometimes - results in the colorspace being inverted */ - if (dev->greenscreen_detected == 1) { - dprintk(1, "Detected green frame. Resetting stream...\n"); - au0828_analog_stream_reset(dev); - dev->greenscreen_detected = 0; - } - - if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) - rc = videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK); - else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) - rc = videobuf_dqbuf(&fh->vb_vbiq, b, file->f_flags & O_NONBLOCK); - - return rc; -} - void au0828_v4l2_suspend(struct au0828_dev *dev) { struct urb *urb; @@ -1937,9 +1660,9 @@ static struct v4l2_file_operations au0828_v4l_fops = { .owner = THIS_MODULE, .open = au0828_v4l2_open, .release = au0828_v4l2_close, - .read = au0828_v4l2_read, - .poll = au0828_v4l2_poll, - .mmap = au0828_v4l2_mmap, + .read = vb2_fop_read, + .poll = vb2_fop_poll, + .mmap = vb2_fop_mmap, .unlocked_ioctl = video_ioctl2, }; @@ -1956,17 +1679,24 @@ static const struct v4l2_ioctl_ops video_ioctl_ops = { .vidioc_g_audio = vidioc_g_audio, .vidioc_s_audio = vidioc_s_audio, .vidioc_cropcap = vidioc_cropcap, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, + + .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 = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, + + .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, @@ -1987,6 +1717,42 @@ static const struct video_device au0828_video_template = { .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; +} + /**************************************************************************/ int au0828_analog_register(struct au0828_dev *dev, @@ -2038,9 +1804,7 @@ int au0828_analog_register(struct au0828_dev *dev, /* init video dma queues */ INIT_LIST_HEAD(&dev->vidq.active); - INIT_LIST_HEAD(&dev->vidq.queued); INIT_LIST_HEAD(&dev->vbiq.active); - INIT_LIST_HEAD(&dev->vbiq.queued); dev->vid_timeout.function = au0828_vid_buffer_timeout; dev->vid_timeout.data = (unsigned long) dev; @@ -2077,18 +1841,34 @@ int au0828_analog_register(struct au0828_dev *dev, goto err_vdev; } + 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; strcpy(dev->vdev->name, "au0828a video"); /* 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; strcpy(dev->vbi_dev->name, "au0828a vbi"); + /* initialize videobuf2 stuff */ + retval = au0828_vb2_setup(dev); + if (retval != 0) { + dprintk(1, "unable to setup videobuf2 queues (error = %d).\n", + retval); + ret = -ENODEV; + goto err_vbi_dev; + } + /* Register the v4l2 device */ video_set_drvdata(dev->vdev, dev); retval = video_register_device(dev->vdev, VFL_TYPE_GRABBER, -1); diff --git a/drivers/media/usb/au0828/au0828.h b/drivers/media/usb/au0828/au0828.h index 36815a3..eb15187 100644 --- a/drivers/media/usb/au0828/au0828.h +++ b/drivers/media/usb/au0828/au0828.h @@ -28,7 +28,7 @@ /* Analog */ #include -#include +#include #include #include #include @@ -126,17 +126,7 @@ enum au0828_dev_state { DEV_MISCONFIGURED = 0x04 }; -struct au0828_fh { - /* must be the first field of this struct! */ - struct v4l2_fh fh; - - struct au0828_dev *dev; - unsigned int resources; - - struct videobuf_queue vb_vidq; - struct videobuf_queue vb_vbiq; - enum v4l2_buf_type type; -}; +struct au0828_dev; struct au0828_usb_isoc_ctl { /* max packet size of isoc transaction */ @@ -177,21 +167,20 @@ struct au0828_usb_isoc_ctl { /* buffer for one video frame */ struct au0828_buffer { /* common v4l buffer stuff -- must be first */ - struct videobuf_buffer vb; + struct vb2_buffer vb; + struct list_head list; - struct list_head frame; + void *mem; + unsigned long length; int top_field; - int receiving; + /* pointer to vmalloc memory address in vb */ + char *vb_buf; }; struct au0828_dmaqueue { struct list_head active; - struct list_head queued; - - wait_queue_head_t wq; - /* Counters to control buffer fill */ - int pos; + int pos; }; struct au0828_dev { @@ -220,14 +209,26 @@ struct au0828_dev { struct au0828_rc *ir; #endif - int users; - unsigned int resources; /* resources in use */ struct video_device *vdev; struct video_device *vbi_dev; + + /* Videobuf2 */ + struct vb2_queue vb_vidq; + struct vb2_queue vb_vbiq; + struct mutex vb_queue_lock; + struct mutex vb_vbi_queue_lock; + + unsigned int frame_count; + unsigned int vbi_frame_count; + struct timer_list vid_timeout; int vid_timeout_running; struct timer_list vbi_timeout; int vbi_timeout_running; + + int users; + int streaming_users; + int width; int height; int vbi_width; @@ -242,7 +243,6 @@ struct au0828_dev { __u8 isoc_in_endpointaddr; u8 isoc_init_ok; int greenscreen_detected; - unsigned int frame_count; int ctrl_freq; int input_type; int std_set_in_tuner_core; @@ -277,6 +277,7 @@ struct au0828_dev { char *dig_transfer_buffer[URB_COUNT]; }; + /* ----------------------------------------------------------- */ #define au0828_read(dev, reg) au0828_readreg(dev, reg) #define au0828_write(dev, reg, value) au0828_writereg(dev, reg, value) @@ -309,13 +310,15 @@ extern int au0828_i2c_unregister(struct au0828_dev *dev); /* ----------------------------------------------------------- */ /* au0828-video.c */ -int au0828_analog_register(struct au0828_dev *dev, +extern int au0828_analog_register(struct au0828_dev *dev, struct usb_interface *interface); -int au0828_analog_stream_disable(struct au0828_dev *d); -void au0828_analog_unregister(struct au0828_dev *dev); +extern void au0828_analog_unregister(struct au0828_dev *dev); +extern int au0828_start_analog_streaming(struct vb2_queue *vq, + unsigned int count); +extern void au0828_stop_vbi_streaming(struct vb2_queue *vq); #ifdef CONFIG_VIDEO_AU0828_V4L2 -void au0828_v4l2_suspend(struct au0828_dev *dev); -void au0828_v4l2_resume(struct au0828_dev *dev); +extern void au0828_v4l2_suspend(struct au0828_dev *dev); +extern void au0828_v4l2_resume(struct au0828_dev *dev); #else static inline void au0828_v4l2_suspend(struct au0828_dev *dev) { }; static inline void au0828_v4l2_resume(struct au0828_dev *dev) { }; @@ -329,7 +332,7 @@ void au0828_dvb_suspend(struct au0828_dev *dev); void au0828_dvb_resume(struct au0828_dev *dev); /* au0828-vbi.c */ -extern struct videobuf_queue_ops au0828_vbi_qops; +extern struct vb2_ops au0828_vbi_qops; #define dprintk(level, fmt, arg...)\ do { if (au0828_debug & level)\