From patchwork Fri Sep 13 12:56:26 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Sylwester Nawrocki/Kernel \\(PLT\\) /SRPOL/Staff Engineer/Samsung Electronics" X-Patchwork-Id: 2883951 Return-Path: X-Original-To: patchwork-linux-samsung-soc@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id B8A86BFF05 for ; Fri, 13 Sep 2013 12:58:55 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 42A61202AB for ; Fri, 13 Sep 2013 12:58:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 46E8020372 for ; Fri, 13 Sep 2013 12:58:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755898Ab3IMM6c (ORCPT ); Fri, 13 Sep 2013 08:58:32 -0400 Received: from mailout4.samsung.com ([203.254.224.34]:62655 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754105Ab3IMM6b (ORCPT ); Fri, 13 Sep 2013 08:58:31 -0400 Received: from epcpsbgm1.samsung.com (epcpsbgm1 [203.254.230.26]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MT2007TNEPIT9H0@mailout4.samsung.com>; Fri, 13 Sep 2013 21:58:30 +0900 (KST) X-AuditID: cbfee61a-b7f7a6d00000235f-d2-52330bf66a25 Received: from epmmp1.local.host ( [203.254.227.16]) by epcpsbgm1.samsung.com (EPCPMTA) with SMTP id B5.AB.09055.6FB03325; Fri, 13 Sep 2013 21:58:30 +0900 (KST) Received: from amdc1344.digital.local ([106.116.147.32]) by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MT200LY6EM52Y30@mmp1.samsung.com>; Fri, 13 Sep 2013 21:58:30 +0900 (KST) From: Sylwester Nawrocki To: linux-media@vger.kernel.org Cc: hverkuil@xs4all.nl, kyungmin.park@samsung.com, pawel@osciak.com, javier.martin@vista-silicon.com, m.szyprowski@samsung.com, shaik.ameer@samsung.com, arun.kk@samsung.com, k.debski@samsung.com, linux-samsung-soc@vger.kernel.org, Sylwester Nawrocki Subject: [PATCH RFC 7/7] s5p-g2d: Use mem-to-mem ioctl helpers Date: Fri, 13 Sep 2013 14:56:26 +0200 Message-id: <1379076986-10446-8-git-send-email-s.nawrocki@samsung.com> X-Mailer: git-send-email 1.7.9.5 In-reply-to: <1379076986-10446-1-git-send-email-s.nawrocki@samsung.com> References: <1379076986-10446-1-git-send-email-s.nawrocki@samsung.com> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFlrGLMWRmVeSWpSXmKPExsVy+t9jAd1v3MZBBu8+yFh8PHWb1eLU5GdM Fsen7mO0+PH6ApvF2aY37BY9G7ayWsw4v4/JYu2Ru+wWU97+ZLc4/Kad1eLIw93sDtwej3+9 ZPPo27KK0ePzJjmPgzfb2DxOff3MHsAaxWWTkpqTWZZapG+XwJUxe9ZxxoIp2hVHW1ewNDCe UO5i5OSQEDCRmH/2JiOELSZx4d56NhBbSGARo8Tm+WpdjFxAdgeTxOMPU1hAEmwChhK9R/vA GkQE5CWe9N5gAyliFpjBJPFiWjcrSEJYwE5i04ousAYWAVWJDwdWM4PYvAJuEkfffwNq4ADa piAxZ5INiMkp4C6x7ZswxF43iR9/LzBPYORdwMiwilE0tSC5oDgpPddQrzgxt7g0L10vOT93 EyM49J5J7WBc2WBxiFGAg1GJh7cjxihIiDWxrLgy9xCjBAezkgjvrLtAId6UxMqq1KL8+KLS nNTiQ4zSHCxK4rwHWq0DhQTSE0tSs1NTC1KLYLJMHJxSDYw7Gc+URqwtzAwRLGs6NCFHxkzx grnIEd3VavweK5ek/7Gfck4j+fzFk/s/HH8383u5WNRc/6DXPfuVn5f9rVE34ts23zZ+6d8k 0zfLvqvmqBw4zvb1plRBlMcrn2+Kd68HfW94LzLP/0zxEuOXH5Ytjy2duFUz+I/XZuZawzk2 C9c9X9lcJhmsxFKckWioxVxUnAgAT4JJBjkCAAA= Sender: linux-samsung-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-samsung-soc@vger.kernel.org X-Spam-Status: No, score=-7.8 required=5.0 tests=BAYES_00,KHOP_BIG_TO_CC, RCVD_IN_DNSWL_HI, 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 Simplify the driver by using the m2m ioctl and vb2 helpers. Signed-off-by: Sylwester Nawrocki Signed-off-by: Kyugmin Park Acked-by: Hans Verkuil --- drivers/media/platform/s5p-g2d/g2d.c | 103 ++++------------------------------ 1 file changed, 11 insertions(+), 92 deletions(-) diff --git a/drivers/media/platform/s5p-g2d/g2d.c b/drivers/media/platform/s5p-g2d/g2d.c index 553d87e..d59d546 100644 --- a/drivers/media/platform/s5p-g2d/g2d.c +++ b/drivers/media/platform/s5p-g2d/g2d.c @@ -139,7 +139,6 @@ static void g2d_buf_queue(struct vb2_buffer *vb) v4l2_m2m_buf_queue(ctx->m2m_ctx, vb); } - static struct vb2_ops g2d_qops = { .queue_setup = g2d_queue_setup, .buf_prepare = g2d_buf_prepare, @@ -159,6 +158,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, src_vq->mem_ops = &vb2_dma_contig_memops; src_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); src_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + src_vq->lock = &ctx->dev->mutex; ret = vb2_queue_init(src_vq); if (ret) @@ -171,6 +171,7 @@ static int queue_init(void *priv, struct vb2_queue *src_vq, dst_vq->mem_ops = &vb2_dma_contig_memops; dst_vq->buf_struct_size = sizeof(struct v4l2_m2m_buffer); dst_vq->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_COPY; + dst_vq->lock = &ctx->dev->mutex; return vb2_queue_init(dst_vq); } @@ -263,6 +264,7 @@ static int g2d_open(struct file *file) v4l2_fh_init(&ctx->fh, video_devdata(file)); file->private_data = &ctx->fh; v4l2_fh_add(&ctx->fh); + ctx->fh.m2m_ctx = ctx->m2m_ctx; g2d_setup_ctrls(ctx); @@ -410,72 +412,6 @@ static int vidioc_s_fmt(struct file *file, void *prv, struct v4l2_format *f) return 0; } -static unsigned int g2d_poll(struct file *file, struct poll_table_struct *wait) -{ - struct g2d_ctx *ctx = fh2ctx(file->private_data); - struct g2d_dev *dev = ctx->dev; - unsigned int res; - - mutex_lock(&dev->mutex); - res = v4l2_m2m_poll(file, ctx->m2m_ctx, wait); - mutex_unlock(&dev->mutex); - return res; -} - -static int g2d_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct g2d_ctx *ctx = fh2ctx(file->private_data); - struct g2d_dev *dev = ctx->dev; - int ret; - - if (mutex_lock_interruptible(&dev->mutex)) - return -ERESTARTSYS; - ret = v4l2_m2m_mmap(file, ctx->m2m_ctx, vma); - mutex_unlock(&dev->mutex); - return ret; -} - -static int vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *reqbufs) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_reqbufs(file, ctx->m2m_ctx, reqbufs); -} - -static int vidioc_querybuf(struct file *file, void *priv, - struct v4l2_buffer *buf) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_querybuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_qbuf(file, ctx->m2m_ctx, buf); -} - -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *buf) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_dqbuf(file, ctx->m2m_ctx, buf); -} - - -static int vidioc_streamon(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_streamon(file, ctx->m2m_ctx, type); -} - -static int vidioc_streamoff(struct file *file, void *priv, - enum v4l2_buf_type type) -{ - struct g2d_ctx *ctx = priv; - return v4l2_m2m_streamoff(file, ctx->m2m_ctx, type); -} - static int vidioc_cropcap(struct file *file, void *priv, struct v4l2_cropcap *cr) { @@ -551,20 +487,6 @@ static int vidioc_s_crop(struct file *file, void *prv, const struct v4l2_crop *c return 0; } -static void g2d_lock(void *prv) -{ - struct g2d_ctx *ctx = prv; - struct g2d_dev *dev = ctx->dev; - mutex_lock(&dev->mutex); -} - -static void g2d_unlock(void *prv) -{ - struct g2d_ctx *ctx = prv; - struct g2d_dev *dev = ctx->dev; - mutex_unlock(&dev->mutex); -} - static void job_abort(void *prv) { struct g2d_ctx *ctx = prv; @@ -653,9 +575,9 @@ static const struct v4l2_file_operations g2d_fops = { .owner = THIS_MODULE, .open = g2d_open, .release = g2d_release, - .poll = g2d_poll, + .poll = v4l2_m2m_fop_poll, .unlocked_ioctl = video_ioctl2, - .mmap = g2d_mmap, + .mmap = v4l2_m2m_fop_mmap, }; static const struct v4l2_ioctl_ops g2d_ioctl_ops = { @@ -671,14 +593,13 @@ static const struct v4l2_ioctl_ops g2d_ioctl_ops = { .vidioc_try_fmt_vid_out = vidioc_try_fmt, .vidioc_s_fmt_vid_out = vidioc_s_fmt, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_reqbufs = v4l2_m2m_ioctl_reqbufs, + .vidioc_querybuf = v4l2_m2m_ioctl_querybuf, + .vidioc_qbuf = v4l2_m2m_ioctl_qbuf, + .vidioc_dqbuf = v4l2_m2m_ioctl_dqbuf, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, + .vidioc_streamon = v4l2_m2m_ioctl_streamon, + .vidioc_streamoff = v4l2_m2m_ioctl_streamoff, .vidioc_g_crop = vidioc_g_crop, .vidioc_s_crop = vidioc_s_crop, @@ -697,8 +618,6 @@ static struct video_device g2d_videodev = { static struct v4l2_m2m_ops g2d_m2m_ops = { .device_run = device_run, .job_abort = job_abort, - .lock = g2d_lock, - .unlock = g2d_unlock, }; static const struct of_device_id exynos_g2d_match[];