From patchwork Tue May 10 11:58:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 571457 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7A5F0C433F5 for ; Tue, 10 May 2022 11:59:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240993AbiEJMDe (ORCPT ); Tue, 10 May 2022 08:03:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50500 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241405AbiEJMDb (ORCPT ); Tue, 10 May 2022 08:03:31 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CCB8646163 for ; Tue, 10 May 2022 04:59:33 -0700 (PDT) Received: from pendragon.lan (62-78-145-57.bb.dnainternet.fi [62.78.145.57]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 4FC14E0C; Tue, 10 May 2022 13:59:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1652183963; bh=ntJKLze6OrE+9OL6FEXItJoTrYmk7Yeef2Xythqg8GY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ugR72czBZyuO7ErrE56ITEwFumuKzs/LVfxdoviq4hgPfm6KG4rSAYoXIAZ5tznHM km2JUJf4z0jVMdHLArx3Zg2cTeVdGY6GMK/KuVoRDCDyPi6/SIOcWsgoHLcjDBaHXA 2ZugrF0mT5VlPGPqMyfH8z3xary21w4oIbqQkQ9Y= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Rui Miguel Silva , Steve Longerbeam , Philipp Zabel , Jacopo Mondi , Martin Kepplinger , Alexander Stein , Dorota Czaplejewicz , kernel@pengutronix.de Subject: [PATCH 16/50] staging: media: imx: imx7-media-csi: Ensure consistent function prefix Date: Tue, 10 May 2022 14:58:25 +0300 Message-Id: <20220510115859.19777-17-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220510115859.19777-1-laurent.pinchart@ideasonboard.com> References: <20220510115859.19777-1-laurent.pinchart@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Rename all the functions and macros imported from imx-media-capture.c with a consistent imx7_csi_video_ prefix. No functional change intended. Signed-off-by: Laurent Pinchart --- drivers/staging/media/imx/imx7-media-csi.c | 164 ++++++++++----------- 1 file changed, 80 insertions(+), 84 deletions(-) diff --git a/drivers/staging/media/imx/imx7-media-csi.c b/drivers/staging/media/imx/imx7-media-csi.c index 9b4463e456c2..80d666416d47 100644 --- a/drivers/staging/media/imx/imx7-media-csi.c +++ b/drivers/staging/media/imx/imx7-media-csi.c @@ -162,6 +162,10 @@ #define CSI_CSICR18 0x48 #define CSI_CSICR19 0x4c +#define IMX7_CSI_VIDEO_NAME "imx-capture" +/* In bytes, per queue */ +#define IMX7_CSI_VIDEO_MEM_LIMIT SZ_64M + enum imx_csi_model { IMX7_CSI_IMX7 = 0, IMX7_CSI_IMX8MQ, @@ -349,8 +353,7 @@ static void imx7_csi_update_buf(struct imx7_csi *csi, dma_addr_t phys, imx7_csi_reg_write(csi, phys, CSI_CSIDMASA_FB1); } -static struct imx_media_buffer * -imx7_media_capture_device_next_buf(struct imx7_csi *csi); +static struct imx_media_buffer *imx7_csi_video_next_buf(struct imx7_csi *csi); static void imx7_csi_setup_vb2_buf(struct imx7_csi *csi) { @@ -360,7 +363,7 @@ static void imx7_csi_setup_vb2_buf(struct imx7_csi *csi) int i; for (i = 0; i < 2; i++) { - buf = imx7_media_capture_device_next_buf(csi); + buf = imx7_csi_video_next_buf(csi); if (buf) { csi->active_vb2_buf[i] = buf; vb2_buf = &buf->vbuf.vb2_buf; @@ -662,7 +665,7 @@ static void imx7_csi_vb2_buf_done(struct imx7_csi *csi) csi->frame_sequence++; /* get next queued buffer */ - next = imx7_media_capture_device_next_buf(csi); + next = imx7_csi_video_next_buf(csi); if (next) { phys = vb2_dma_contig_plane_dma_addr(&next->vbuf.vb2_buf, 0); csi->active_vb2_buf[csi->buf_num] = next; @@ -732,20 +735,12 @@ static irqreturn_t imx7_csi_irq_handler(int irq, void *data) return IRQ_HANDLED; } -/* ----------------------------------------------------------------------------- - * Video Capture Device - */ - -#define IMX_CAPTURE_NAME "imx-capture" - -/* In bytes, per queue */ -#define VID_MEM_LIMIT SZ_64M - /* ----------------------------------------------------------------------------- * Video Capture Device - IOCTLs */ -static const struct imx_media_pixfmt *capture_find_format(u32 code, u32 fourcc) +static const struct imx_media_pixfmt * +imx7_csi_video_find_format(u32 code, u32 fourcc) { const struct imx_media_pixfmt *cc; @@ -766,28 +761,28 @@ static const struct imx_media_pixfmt *capture_find_format(u32 code, u32 fourcc) return imx_media_find_mbus_format(code, PIXFMT_SEL_ANY); } -static int capture_querycap(struct file *file, void *fh, - struct v4l2_capability *cap) +static int imx7_csi_video_querycap(struct file *file, void *fh, + struct v4l2_capability *cap) { struct imx7_csi *csi = video_drvdata(file); - strscpy(cap->driver, IMX_CAPTURE_NAME, sizeof(cap->driver)); - strscpy(cap->card, IMX_CAPTURE_NAME, sizeof(cap->card)); + strscpy(cap->driver, IMX7_CSI_VIDEO_NAME, sizeof(cap->driver)); + strscpy(cap->card, IMX7_CSI_VIDEO_NAME, sizeof(cap->card)); snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", dev_name(csi->dev)); return 0; } -static int capture_enum_fmt_vid_cap(struct file *file, void *fh, - struct v4l2_fmtdesc *f) +static int imx7_csi_video_enum_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_fmtdesc *f) { return imx_media_enum_pixel_formats(&f->pixelformat, f->index, PIXFMT_SEL_ANY, f->mbus_code); } -static int capture_enum_framesizes(struct file *file, void *fh, - struct v4l2_frmsizeenum *fsize) +static int imx7_csi_video_enum_framesizes(struct file *file, void *fh, + struct v4l2_frmsizeenum *fsize) { const struct imx_media_pixfmt *cc; @@ -814,8 +809,8 @@ static int capture_enum_framesizes(struct file *file, void *fh, return 0; } -static int capture_g_fmt_vid_cap(struct file *file, void *fh, - struct v4l2_format *f) +static int imx7_csi_video_g_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_format *f) { struct imx7_csi *csi = video_drvdata(file); @@ -825,7 +820,8 @@ static int capture_g_fmt_vid_cap(struct file *file, void *fh, } static const struct imx_media_pixfmt * -__capture_try_fmt(struct v4l2_pix_format *pixfmt, struct v4l2_rect *compose) +__imx7_csi_video_try_fmt(struct v4l2_pix_format *pixfmt, + struct v4l2_rect *compose) { struct v4l2_mbus_framefmt fmt_src; const struct imx_media_pixfmt *cc; @@ -867,15 +863,15 @@ __capture_try_fmt(struct v4l2_pix_format *pixfmt, struct v4l2_rect *compose) return cc; } -static int capture_try_fmt_vid_cap(struct file *file, void *fh, - struct v4l2_format *f) +static int imx7_csi_video_try_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_format *f) { - __capture_try_fmt(&f->fmt.pix, NULL); + __imx7_csi_video_try_fmt(&f->fmt.pix, NULL); return 0; } -static int capture_s_fmt_vid_cap(struct file *file, void *fh, - struct v4l2_format *f) +static int imx7_csi_video_s_fmt_vid_cap(struct file *file, void *fh, + struct v4l2_format *f) { struct imx7_csi *csi = video_drvdata(file); const struct imx_media_pixfmt *cc; @@ -885,7 +881,7 @@ static int capture_s_fmt_vid_cap(struct file *file, void *fh, return -EBUSY; } - cc = __capture_try_fmt(&f->fmt.pix, &csi->vdev.compose); + cc = __imx7_csi_video_try_fmt(&f->fmt.pix, &csi->vdev.compose); csi->vdev.cc = cc; csi->vdev.fmt = f->fmt.pix; @@ -893,8 +889,8 @@ static int capture_s_fmt_vid_cap(struct file *file, void *fh, return 0; } -static int capture_g_selection(struct file *file, void *fh, - struct v4l2_selection *s) +static int imx7_csi_video_g_selection(struct file *file, void *fh, + struct v4l2_selection *s) { struct imx7_csi *csi = video_drvdata(file); @@ -923,8 +919,8 @@ static int capture_g_selection(struct file *file, void *fh, return 0; } -static int capture_subscribe_event(struct v4l2_fh *fh, - const struct v4l2_event_subscription *sub) +static int imx7_csi_video_subscribe_event(struct v4l2_fh *fh, + const struct v4l2_event_subscription *sub) { switch (sub->type) { case V4L2_EVENT_IMX_FRAME_INTERVAL_ERROR: @@ -934,17 +930,17 @@ static int capture_subscribe_event(struct v4l2_fh *fh, } } -static const struct v4l2_ioctl_ops capture_ioctl_ops = { - .vidioc_querycap = capture_querycap, +static const struct v4l2_ioctl_ops imx7_csi_video_ioctl_ops = { + .vidioc_querycap = imx7_csi_video_querycap, - .vidioc_enum_fmt_vid_cap = capture_enum_fmt_vid_cap, - .vidioc_enum_framesizes = capture_enum_framesizes, + .vidioc_enum_fmt_vid_cap = imx7_csi_video_enum_fmt_vid_cap, + .vidioc_enum_framesizes = imx7_csi_video_enum_framesizes, - .vidioc_g_fmt_vid_cap = capture_g_fmt_vid_cap, - .vidioc_try_fmt_vid_cap = capture_try_fmt_vid_cap, - .vidioc_s_fmt_vid_cap = capture_s_fmt_vid_cap, + .vidioc_g_fmt_vid_cap = imx7_csi_video_g_fmt_vid_cap, + .vidioc_try_fmt_vid_cap = imx7_csi_video_try_fmt_vid_cap, + .vidioc_s_fmt_vid_cap = imx7_csi_video_s_fmt_vid_cap, - .vidioc_g_selection = capture_g_selection, + .vidioc_g_selection = imx7_csi_video_g_selection, .vidioc_reqbufs = vb2_ioctl_reqbufs, .vidioc_create_bufs = vb2_ioctl_create_bufs, @@ -956,7 +952,7 @@ static const struct v4l2_ioctl_ops capture_ioctl_ops = { .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, - .vidioc_subscribe_event = capture_subscribe_event, + .vidioc_subscribe_event = imx7_csi_video_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, }; @@ -964,11 +960,11 @@ static const struct v4l2_ioctl_ops capture_ioctl_ops = { * Video Capture Device - Queue Operations */ -static int capture_queue_setup(struct vb2_queue *vq, - unsigned int *nbuffers, - unsigned int *nplanes, - unsigned int sizes[], - struct device *alloc_devs[]) +static int imx7_csi_video_queue_setup(struct vb2_queue *vq, + unsigned int *nbuffers, + unsigned int *nplanes, + unsigned int sizes[], + struct device *alloc_devs[]) { struct imx7_csi *csi = vb2_get_drv_priv(vq); struct v4l2_pix_format *pix = &csi->vdev.fmt; @@ -983,7 +979,7 @@ static int capture_queue_setup(struct vb2_queue *vq, count += vq->num_buffers; } - count = min_t(__u32, VID_MEM_LIMIT / pix->sizeimage, count); + count = min_t(__u32, IMX7_CSI_VIDEO_MEM_LIMIT / pix->sizeimage, count); if (*nplanes) *nbuffers = (count < vq->num_buffers) ? 0 : @@ -997,7 +993,7 @@ static int capture_queue_setup(struct vb2_queue *vq, return 0; } -static int capture_buf_init(struct vb2_buffer *vb) +static int imx7_csi_video_buf_init(struct vb2_buffer *vb) { struct imx_media_buffer *buf = to_imx_media_vb(vb); @@ -1006,7 +1002,7 @@ static int capture_buf_init(struct vb2_buffer *vb) return 0; } -static int capture_buf_prepare(struct vb2_buffer *vb) +static int imx7_csi_video_buf_prepare(struct vb2_buffer *vb) { struct imx7_csi *csi = vb2_get_drv_priv(vb->vb2_queue); struct v4l2_pix_format *pix = &csi->vdev.fmt; @@ -1023,7 +1019,7 @@ static int capture_buf_prepare(struct vb2_buffer *vb) return 0; } -static void capture_buf_queue(struct vb2_buffer *vb) +static void imx7_csi_video_buf_queue(struct vb2_buffer *vb) { struct imx7_csi *csi = vb2_get_drv_priv(vb->vb2_queue); struct imx_media_buffer *buf = to_imx_media_vb(vb); @@ -1036,7 +1032,7 @@ static void capture_buf_queue(struct vb2_buffer *vb) spin_unlock_irqrestore(&csi->q_lock, flags); } -static int capture_validate_fmt(struct imx7_csi *csi) +static int imx7_csi_video_validate_fmt(struct imx7_csi *csi) { struct v4l2_subdev_format fmt_src; const struct imx_media_pixfmt *cc; @@ -1064,21 +1060,22 @@ static int capture_validate_fmt(struct imx7_csi *csi) * Verify that the media bus code is compatible with the pixel format * set on the video node. */ - cc = capture_find_format(fmt_src.format.code, 0); + cc = imx7_csi_video_find_format(fmt_src.format.code, 0); if (!cc || csi->vdev.cc->cs != cc->cs) return -EPIPE; return 0; } -static int capture_start_streaming(struct vb2_queue *vq, unsigned int count) +static int imx7_csi_video_start_streaming(struct vb2_queue *vq, + unsigned int count) { struct imx7_csi *csi = vb2_get_drv_priv(vq); struct imx_media_buffer *buf, *tmp; unsigned long flags; int ret; - ret = capture_validate_fmt(csi); + ret = imx7_csi_video_validate_fmt(csi); if (ret) { dev_err(csi->dev, "capture format not valid\n"); goto return_bufs; @@ -1102,7 +1099,7 @@ static int capture_start_streaming(struct vb2_queue *vq, unsigned int count) return ret; } -static void capture_stop_streaming(struct vb2_queue *vq) +static void imx7_csi_video_stop_streaming(struct vb2_queue *vq) { struct imx7_csi *csi = vb2_get_drv_priv(vq); struct imx_media_buffer *frame; @@ -1123,22 +1120,22 @@ static void capture_stop_streaming(struct vb2_queue *vq) spin_unlock_irqrestore(&csi->q_lock, flags); } -static const struct vb2_ops capture_qops = { - .queue_setup = capture_queue_setup, - .buf_init = capture_buf_init, - .buf_prepare = capture_buf_prepare, - .buf_queue = capture_buf_queue, +static const struct vb2_ops imx7_csi_video_qops = { + .queue_setup = imx7_csi_video_queue_setup, + .buf_init = imx7_csi_video_buf_init, + .buf_prepare = imx7_csi_video_buf_prepare, + .buf_queue = imx7_csi_video_buf_queue, .wait_prepare = vb2_ops_wait_prepare, .wait_finish = vb2_ops_wait_finish, - .start_streaming = capture_start_streaming, - .stop_streaming = capture_stop_streaming, + .start_streaming = imx7_csi_video_start_streaming, + .stop_streaming = imx7_csi_video_stop_streaming, }; /* ----------------------------------------------------------------------------- * Video Capture Device - File Operations */ -static int capture_open(struct file *file) +static int imx7_csi_video_open(struct file *file) { struct imx7_csi *csi = video_drvdata(file); struct video_device *vfd = csi->vdev.vfd; @@ -1162,7 +1159,7 @@ static int capture_open(struct file *file) return ret; } -static int capture_release(struct file *file) +static int imx7_csi_video_release(struct file *file) { struct imx7_csi *csi = video_drvdata(file); struct video_device *vfd = csi->vdev.vfd; @@ -1182,10 +1179,10 @@ static int capture_release(struct file *file) return 0; } -static const struct v4l2_file_operations capture_fops = { +static const struct v4l2_file_operations imx7_csi_video_fops = { .owner = THIS_MODULE, - .open = capture_open, - .release = capture_release, + .open = imx7_csi_video_open, + .release = imx7_csi_video_release, .poll = vb2_fop_poll, .unlocked_ioctl = video_ioctl2, .mmap = vb2_fop_mmap, @@ -1195,8 +1192,7 @@ static const struct v4l2_file_operations capture_fops = { * Video Capture Device - Init & Cleanup */ -static struct imx_media_buffer * -imx7_media_capture_device_next_buf(struct imx7_csi *csi) +static struct imx_media_buffer *imx7_csi_video_next_buf(struct imx7_csi *csi) { struct imx_media_buffer *buf = NULL; unsigned long flags; @@ -1215,7 +1211,7 @@ imx7_media_capture_device_next_buf(struct imx7_csi *csi) return buf; } -static int capture_init_format(struct imx7_csi *csi) +static int imx7_csi_video_init_format(struct imx7_csi *csi) { struct v4l2_subdev_format fmt_src = { .pad = IMX7_CSI_PAD_SRC, @@ -1237,7 +1233,7 @@ static int capture_init_format(struct imx7_csi *csi) return 0; } -static int imx7_media_capture_device_register(struct imx7_csi *csi) +static int imx7_csi_video_register(struct imx7_csi *csi) { struct v4l2_subdev *sd = &csi->sd; struct v4l2_device *v4l2_dev = sd->v4l2_dev; @@ -1247,7 +1243,7 @@ static int imx7_media_capture_device_register(struct imx7_csi *csi) vfd->v4l2_dev = v4l2_dev; /* Initialize the default format and compose rectangle. */ - ret = capture_init_format(csi); + ret = imx7_csi_video_init_format(csi); if (ret < 0) return ret; @@ -1277,7 +1273,7 @@ static int imx7_media_capture_device_register(struct imx7_csi *csi) return 0; } -static void imx7_media_capture_device_unregister(struct imx7_csi *csi) +static void imx7_csi_video_unregister(struct imx7_csi *csi) { struct video_device *vfd = csi->vdev.vfd; @@ -1285,7 +1281,7 @@ static void imx7_media_capture_device_unregister(struct imx7_csi *csi) video_unregister_device(vfd); } -static int imx7_media_capture_device_init(struct imx7_csi *csi) +static int imx7_csi_video_init(struct imx7_csi *csi) { struct video_device *vfd; struct vb2_queue *vq; @@ -1300,8 +1296,8 @@ static int imx7_media_capture_device_init(struct imx7_csi *csi) if (!vfd) return -ENOMEM; - vfd->fops = &capture_fops; - vfd->ioctl_ops = &capture_ioctl_ops; + vfd->fops = &imx7_csi_video_fops; + vfd->ioctl_ops = &imx7_csi_video_ioctl_ops; vfd->minor = -1; vfd->release = video_device_release; vfd->vfl_dir = VFL_DIR_RX; @@ -1331,7 +1327,7 @@ static int imx7_media_capture_device_init(struct imx7_csi *csi) vq->io_modes = VB2_MMAP | VB2_DMABUF; vq->drv_priv = csi; vq->buf_struct_size = sizeof(struct imx_media_buffer); - vq->ops = &capture_qops; + vq->ops = &imx7_csi_video_qops; vq->mem_ops = &vb2_dma_contig_memops; vq->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; vq->lock = &csi->vdev_mutex; @@ -1681,11 +1677,11 @@ static int imx7_csi_registered(struct v4l2_subdev *sd) struct imx7_csi *csi = v4l2_get_subdevdata(sd); int ret; - ret = imx7_media_capture_device_init(csi); + ret = imx7_csi_video_init(csi); if (ret) return ret; - ret = imx7_media_capture_device_register(csi); + ret = imx7_csi_video_register(csi); if (ret) return ret; @@ -1700,7 +1696,7 @@ static int imx7_csi_registered(struct v4l2_subdev *sd) return 0; err_unreg: - imx7_media_capture_device_unregister(csi); + imx7_csi_video_unregister(csi); return ret; } @@ -1708,7 +1704,7 @@ static void imx7_csi_unregistered(struct v4l2_subdev *sd) { struct imx7_csi *csi = v4l2_get_subdevdata(sd); - imx7_media_capture_device_unregister(csi); + imx7_csi_video_unregister(csi); } static const struct v4l2_subdev_video_ops imx7_csi_video_ops = {