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Fri, 11 Mar 2022 07:52:27 +0000 From: Ming Qian To: mchehab@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, mirela.rabulea@oss.nxp.com Cc: hverkuil-cisco@xs4all.nl, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/5] media: imx-jpeg: Refactor function mxc_jpeg_parse Date: Fri, 11 Mar 2022 15:51:43 +0800 Message-Id: <73ea0dba34b5bf02104517fce3f66ef2e6d96a16.1646983646.git.ming.qian@nxp.com> X-Mailer: git-send-email 2.33.0 In-Reply-To: References: X-ClientProxiedBy: SGXP274CA0015.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b8::27) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 11317b55-abf6-4ba8-9740-08da0334166b X-MS-TrafficTypeDiagnostic: DB7PR04MB4443:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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struct mxc_jpeg_q_data *q_data_out, *q_data_cap; @@ -1256,6 +1255,9 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct v4l2_jpeg_header header; struct mxc_jpeg_sof *psof = NULL; struct mxc_jpeg_sos *psos = NULL; + struct mxc_jpeg_src_buf *jpeg_src_buf = vb2_to_mxc_buf(vb); + u8 *src_addr = (u8 *)vb2_plane_vaddr(vb, 0); + u32 size = vb2_get_plane_payload(vb, 0); int ret; memset(&header, 0, sizeof(header)); @@ -1266,7 +1268,7 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, } /* if DHT marker present, no need to inject default one */ - *dht_needed = (header.num_dht == 0); + jpeg_src_buf->dht_needed = (header.num_dht == 0); q_data_out = mxc_jpeg_get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE); @@ -1381,10 +1383,7 @@ static void mxc_jpeg_buf_queue(struct vb2_buffer *vb) jpeg_src_buf = vb2_to_mxc_buf(vb); jpeg_src_buf->jpeg_parse_error = false; - ret = mxc_jpeg_parse(ctx, - (u8 *)vb2_plane_vaddr(vb, 0), - vb2_get_plane_payload(vb, 0), - &jpeg_src_buf->dht_needed); + ret = mxc_jpeg_parse(ctx, vb); 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Fri, 11 Mar 2022 07:52:31 +0000 From: Ming Qian To: mchehab@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, mirela.rabulea@oss.nxp.com Cc: hverkuil-cisco@xs4all.nl, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 2/5] media: imx-jpeg: Identify and handle precision correctly Date: Fri, 11 Mar 2022 15:51:44 +0800 Message-Id: X-Mailer: git-send-email 2.33.0 In-Reply-To: References: X-ClientProxiedBy: SGXP274CA0015.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b8::27) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: b88abc27-3188-4735-4e1f-08da033418b1 X-MS-TrafficTypeDiagnostic: DB7PR04MB4443:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM6PR04MB6341.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230001)(4636009)(366004)(7416002)(8936002)(26005)(52116002)(44832011)(2906002)(8676002)(6486002)(2616005)(508600001)(86362001)(4326008)(186003)(66946007)(6512007)(6506007)(5660300002)(66556008)(38350700002)(6666004)(38100700002)(66476007)(316002)(83380400001)(36756003);DIR:OUT;SFP:1101; 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The 12bit jpeg is not supported yet, but driver shouldn't led to serious problem if user enqueue a 12 bit jpeg. And the 12bit jpeg is supported by hardware, driver may support it later. Signed-off-by: Ming Qian --- drivers/media/platform/imx-jpeg/mxc-jpeg.c | 37 +++++++++++++++------- drivers/media/platform/imx-jpeg/mxc-jpeg.h | 1 + 2 files changed, 26 insertions(+), 12 deletions(-) diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/imx-jpeg/mxc-jpeg.c index d8d24c19f423..82b9b4630d9c 100644 --- a/drivers/media/platform/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.c @@ -82,6 +82,7 @@ static const struct mxc_jpeg_fmt mxc_formats[] = { .h_align = 3, .v_align = 3, .flags = MXC_JPEG_FMT_TYPE_RAW, + .precision = 8, }, { .name = "ARGB", /* ARGBARGB packed format */ @@ -93,6 +94,7 @@ static const struct mxc_jpeg_fmt mxc_formats[] = { .h_align = 3, .v_align = 3, .flags = MXC_JPEG_FMT_TYPE_RAW, + .precision = 8, }, { .name = "YUV420", /* 1st plane = Y, 2nd plane = UV */ @@ -104,6 +106,7 @@ static const struct mxc_jpeg_fmt mxc_formats[] = { .h_align = 4, .v_align = 4, .flags = MXC_JPEG_FMT_TYPE_RAW, + .precision = 8, }, { .name = "YUV422", /* YUYV */ @@ -115,6 +118,7 @@ static const struct mxc_jpeg_fmt mxc_formats[] = { .h_align = 4, .v_align = 3, .flags = MXC_JPEG_FMT_TYPE_RAW, + .precision = 8, }, { .name = "YUV444", /* YUVYUV */ @@ -126,6 +130,7 @@ static const struct mxc_jpeg_fmt mxc_formats[] = { .h_align = 3, .v_align = 3, .flags = MXC_JPEG_FMT_TYPE_RAW, + .precision = 8, }, { .name = "Gray", /* Gray (Y8/Y12) or Single Comp */ @@ -137,6 +142,7 @@ static const struct mxc_jpeg_fmt mxc_formats[] = { .h_align = 3, .v_align = 3, .flags = MXC_JPEG_FMT_TYPE_RAW, + .precision = 8, }, }; @@ -1175,14 +1181,17 @@ static u32 mxc_jpeg_get_image_format(struct device *dev, for (i = 0; i < MXC_JPEG_NUM_FORMATS; i++) if (mxc_formats[i].subsampling == header->frame.subsampling && - mxc_formats[i].nc == header->frame.num_components) { + mxc_formats[i].nc == header->frame.num_components && + mxc_formats[i].precision == header->frame.precision) { fourcc = mxc_formats[i].fourcc; break; } if (fourcc == 0) { - dev_err(dev, "Could not identify image format nc=%d, subsampling=%d\n", + dev_err(dev, + "Could not identify image format nc=%d, subsampling=%d, precision=%d\n", header->frame.num_components, - header->frame.subsampling); + header->frame.subsampling, + header->frame.precision); return fourcc; } /* @@ -1208,18 +1217,22 @@ static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, /* bytesperline unused for compressed formats */ q->bytesperline[0] = 0; q->bytesperline[1] = 0; - } else if (q->fmt->fourcc == V4L2_PIX_FMT_NV12M) { + } else if (q->fmt->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_420) { /* When the image format is planar the bytesperline value * applies to the first plane and is divided by the same factor * as the width field for the other planes */ - q->bytesperline[0] = q->w * (precision / 8) * - (q->fmt->depth / 8); + q->bytesperline[0] = q->w * DIV_ROUND_UP(precision, 8); q->bytesperline[1] = q->bytesperline[0]; + } else if (q->fmt->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_422) { + q->bytesperline[0] = q->w * DIV_ROUND_UP(precision, 8) * 2; + q->bytesperline[1] = 0; + } else if (q->fmt->subsampling == V4L2_JPEG_CHROMA_SUBSAMPLING_444) { + q->bytesperline[0] = q->w * DIV_ROUND_UP(precision, 8) * q->fmt->nc; + q->bytesperline[1] = 0; } else { - /* single plane formats */ - q->bytesperline[0] = q->w * (precision / 8) * - (q->fmt->depth / 8); + /* grayscale */ + q->bytesperline[0] = q->w * DIV_ROUND_UP(precision, 8); q->bytesperline[1] = 0; } } @@ -1353,7 +1366,7 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb) (fourcc >> 24) & 0xff); /* setup bytesperline/sizeimage for capture queue */ - mxc_jpeg_bytesperline(q_data_cap, header.frame.precision); + mxc_jpeg_bytesperline(q_data_cap, q_data_cap->fmt->precision); mxc_jpeg_sizeimage(q_data_cap); /* @@ -1509,7 +1522,7 @@ static void mxc_jpeg_set_default_params(struct mxc_jpeg_ctx *ctx) q[i]->h = MXC_JPEG_DEFAULT_HEIGHT; q[i]->w_adjusted = MXC_JPEG_DEFAULT_WIDTH; q[i]->h_adjusted = MXC_JPEG_DEFAULT_HEIGHT; - mxc_jpeg_bytesperline(q[i], 8); + mxc_jpeg_bytesperline(q[i], q[i]->fmt->precision); mxc_jpeg_sizeimage(q[i]); } } @@ -1651,7 +1664,7 @@ static int mxc_jpeg_try_fmt(struct v4l2_format *f, const struct mxc_jpeg_fmt *fm } /* calculate bytesperline & sizeimage into the tmp_q */ - mxc_jpeg_bytesperline(&tmp_q, 8); + mxc_jpeg_bytesperline(&tmp_q, fmt->precision); mxc_jpeg_sizeimage(&tmp_q); /* adjust user format according to our calculations */ diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.h b/drivers/media/platform/imx-jpeg/mxc-jpeg.h index f53f004ba851..82b38cc2dfab 100644 --- a/drivers/media/platform/imx-jpeg/mxc-jpeg.h +++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.h @@ -60,6 +60,7 @@ struct mxc_jpeg_fmt { int h_align; int v_align; u32 flags; + u8 precision; }; struct mxc_jpeg_desc { From patchwork Fri Mar 11 07:51:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Qian X-Patchwork-Id: 81471 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1nSa4s-0033we-F3; 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Signed-off-by: Ming Qian --- drivers/media/platform/imx-jpeg/mxc-jpeg.c | 25 +++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/imx-jpeg/mxc-jpeg.c index 82b9b4630d9c..9e8a4157ce2f 100644 --- a/drivers/media/platform/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.c @@ -1831,12 +1831,35 @@ static int mxc_jpeg_s_fmt_vid_out(struct file *file, void *priv, struct v4l2_format *f) { int ret; + struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(priv); + struct vb2_queue *dst_vq; + struct mxc_jpeg_q_data *q_data_cap; + enum v4l2_buf_type cap_type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; + struct v4l2_format fc; ret = mxc_jpeg_try_fmt_vid_out(file, priv, f); if (ret) return ret; - return mxc_jpeg_s_fmt(mxc_jpeg_fh_to_ctx(priv), f); + ret = mxc_jpeg_s_fmt(mxc_jpeg_fh_to_ctx(priv), f); + if (ret) + return ret; + + dst_vq = v4l2_m2m_get_vq(ctx->fh.m2m_ctx, cap_type); + if (!dst_vq) + return -EINVAL; + + if (vb2_is_busy(dst_vq)) + return 0; + + q_data_cap = mxc_jpeg_get_q_data(ctx, cap_type); + memset(&fc, 0, sizeof(fc)); + fc.type = cap_type; + fc.fmt.pix_mp.pixelformat = q_data_cap->fmt->fourcc; + fc.fmt.pix_mp.width = f->fmt.pix_mp.width; + fc.fmt.pix_mp.height = f->fmt.pix_mp.height; + + return mxc_jpeg_s_fmt_vid_cap(file, priv, &fc); } static int mxc_jpeg_g_fmt_vid(struct file *file, void *priv, From patchwork Fri Mar 11 07:51:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Qian X-Patchwork-Id: 81472 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1nSa4u-0033we-2O; Fri, 11 Mar 2022 07:52:48 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347285AbiCKHxr (ORCPT + 1 other); Fri, 11 Mar 2022 02:53:47 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43250 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347277AbiCKHxo (ORCPT ); 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bool jpeg_parse_error; + const struct mxc_jpeg_fmt *fmt; + int w; + int h; }; static inline struct mxc_jpeg_src_buf *vb2_to_mxc_buf(struct vb2_buffer *vb) @@ -327,6 +330,9 @@ static unsigned int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "Debug level (0-3)"); +static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, u32 precision); +static void mxc_jpeg_sizeimage(struct mxc_jpeg_q_data *q); + static void _bswap16(u16 *a) { *a = ((*a & 0x00FF) << 8) | ((*a & 0xFF00) >> 8); @@ -922,6 +928,59 @@ static void mxc_jpeg_config_enc_desc(struct vb2_buffer *out_buf, mxc_jpeg_set_desc(cfg_desc_handle, reg, slot); } +static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx, + struct mxc_jpeg_src_buf *jpeg_src_buf) +{ + struct device *dev = ctx->mxc_jpeg->dev; + struct mxc_jpeg_q_data *q_data_cap; + bool src_chg = false; + + if (!jpeg_src_buf->fmt) + return src_chg; + + q_data_cap = mxc_jpeg_get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); + if (q_data_cap->w != jpeg_src_buf->w || q_data_cap->h != jpeg_src_buf->h) { + dev_dbg(dev, "Detected jpeg res=(%dx%d)->(%dx%d), pixfmt=%c%c%c%c\n", + q_data_cap->w, q_data_cap->h, + jpeg_src_buf->w, jpeg_src_buf->h, + (jpeg_src_buf->fmt->fourcc & 0xff), + (jpeg_src_buf->fmt->fourcc >> 8) & 0xff, + (jpeg_src_buf->fmt->fourcc >> 16) & 0xff, + (jpeg_src_buf->fmt->fourcc >> 24) & 0xff); + + /* + * set-up the capture queue with the pixelformat and resolution + * detected from the jpeg output stream + */ + q_data_cap->w = jpeg_src_buf->w; + q_data_cap->h = jpeg_src_buf->h; + q_data_cap->fmt = jpeg_src_buf->fmt; + q_data_cap->w_adjusted = q_data_cap->w; + q_data_cap->h_adjusted = q_data_cap->h; + + /* + * align up the resolution for CAST IP, + * but leave the buffer resolution unchanged + */ + v4l_bound_align_image(&q_data_cap->w_adjusted, + q_data_cap->w_adjusted, /* adjust up */ + MXC_JPEG_MAX_WIDTH, + q_data_cap->fmt->h_align, + &q_data_cap->h_adjusted, + q_data_cap->h_adjusted, /* adjust up */ + MXC_JPEG_MAX_HEIGHT, + q_data_cap->fmt->v_align, + 0); + + /* setup bytesperline/sizeimage for capture queue */ + mxc_jpeg_bytesperline(q_data_cap, jpeg_src_buf->fmt->precision); + mxc_jpeg_sizeimage(q_data_cap); + notify_src_chg(ctx); + src_chg = true; + } + return src_chg; +} + static void mxc_jpeg_device_run(void *priv) { struct mxc_jpeg_ctx *ctx = priv; @@ -1209,8 +1268,7 @@ static u32 mxc_jpeg_get_image_format(struct device *dev, return fourcc; } -static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, - u32 precision) +static void mxc_jpeg_bytesperline(struct mxc_jpeg_q_data *q, u32 precision) { /* Bytes distance between the leftmost pixels in two adjacent lines */ if (q->fmt->fourcc == V4L2_PIX_FMT_JPEG) { @@ -1261,9 +1319,7 @@ static void mxc_jpeg_sizeimage(struct mxc_jpeg_q_data *q) static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb) { struct device *dev = ctx->mxc_jpeg->dev; - struct mxc_jpeg_q_data *q_data_out, *q_data_cap; - enum v4l2_buf_type cap_type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; - bool src_chg = false; + struct mxc_jpeg_q_data *q_data_out; u32 fourcc; struct v4l2_jpeg_header header; struct mxc_jpeg_sof *psof = NULL; @@ -1331,51 +1387,11 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb) if (fourcc == 0) return -EINVAL; - /* - * set-up the capture queue with the pixelformat and resolution - * detected from the jpeg output stream - */ - q_data_cap = mxc_jpeg_get_q_data(ctx, cap_type); - if (q_data_cap->w != header.frame.width || - q_data_cap->h != header.frame.height) - src_chg = true; - q_data_cap->w = header.frame.width; - q_data_cap->h = header.frame.height; - q_data_cap->fmt = mxc_jpeg_find_format(ctx, fourcc); - q_data_cap->w_adjusted = q_data_cap->w; - q_data_cap->h_adjusted = q_data_cap->h; - /* - * align up the resolution for CAST IP, - * but leave the buffer resolution unchanged - */ - v4l_bound_align_image(&q_data_cap->w_adjusted, - q_data_cap->w_adjusted, /* adjust up */ - MXC_JPEG_MAX_WIDTH, - q_data_cap->fmt->h_align, - &q_data_cap->h_adjusted, - q_data_cap->h_adjusted, /* adjust up */ - MXC_JPEG_MAX_HEIGHT, - q_data_cap->fmt->v_align, - 0); - dev_dbg(dev, "Detected jpeg res=(%dx%d)->(%dx%d), pixfmt=%c%c%c%c\n", - q_data_cap->w, q_data_cap->h, - q_data_cap->w_adjusted, q_data_cap->h_adjusted, - (fourcc & 0xff), - (fourcc >> 8) & 0xff, - (fourcc >> 16) & 0xff, - (fourcc >> 24) & 0xff); - - /* setup bytesperline/sizeimage for capture queue */ - mxc_jpeg_bytesperline(q_data_cap, q_data_cap->fmt->precision); - mxc_jpeg_sizeimage(q_data_cap); + jpeg_src_buf->fmt = mxc_jpeg_find_format(ctx, fourcc); + jpeg_src_buf->w = header.frame.width; + jpeg_src_buf->h = header.frame.height; - /* - * if the CAPTURE format was updated with new values, regardless of - * whether they match the values set by the client or not, signal - * a source change event - */ - if (src_chg) - notify_src_chg(ctx); + mxc_jpeg_source_change(ctx, jpeg_src_buf); return 0; } From patchwork Fri Mar 11 07:51:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ming Qian X-Patchwork-Id: 81473 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1nSa5B-0033xu-FQ; Fri, 11 Mar 2022 07:53:06 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1347328AbiCKHyF (ORCPT + 1 other); Fri, 11 Mar 2022 02:54:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43592 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1347289AbiCKHxs (ORCPT ); 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Received: from AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) by DB7PR04MB4443.eurprd04.prod.outlook.com (2603:10a6:5:32::15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.5038.14; Fri, 11 Mar 2022 07:52:43 +0000 Received: from AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::c39:69cf:c4ea:967]) by AM6PR04MB6341.eurprd04.prod.outlook.com ([fe80::c39:69cf:c4ea:967%5]) with mapi id 15.20.5061.022; Fri, 11 Mar 2022 07:52:43 +0000 From: Ming Qian To: mchehab@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, mirela.rabulea@oss.nxp.com Cc: hverkuil-cisco@xs4all.nl, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH 5/5] media: imx-jpeg: Support dynamic resolution change Date: Fri, 11 Mar 2022 15:51:47 +0800 Message-Id: X-Mailer: git-send-email 2.33.0 In-Reply-To: References: X-ClientProxiedBy: SGXP274CA0015.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:b8::27) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: d66dea7e-666b-4ad7-ac64-08da03341f9c X-MS-TrafficTypeDiagnostic: DB7PR04MB4443:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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Signed-off-by: Ming Qian --- drivers/media/platform/imx-jpeg/mxc-jpeg.c | 69 +++++++++++++++++----- drivers/media/platform/imx-jpeg/mxc-jpeg.h | 2 + 2 files changed, 55 insertions(+), 16 deletions(-) diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.c b/drivers/media/platform/imx-jpeg/mxc-jpeg.c index dbcb83ed86e4..3a78673d6c6f 100644 --- a/drivers/media/platform/imx-jpeg/mxc-jpeg.c +++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.c @@ -933,13 +933,14 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx, { struct device *dev = ctx->mxc_jpeg->dev; struct mxc_jpeg_q_data *q_data_cap; - bool src_chg = false; if (!jpeg_src_buf->fmt) - return src_chg; + return false; q_data_cap = mxc_jpeg_get_q_data(ctx, V4L2_BUF_TYPE_VIDEO_CAPTURE); - if (q_data_cap->w != jpeg_src_buf->w || q_data_cap->h != jpeg_src_buf->h) { + if (q_data_cap->fmt != jpeg_src_buf->fmt || + q_data_cap->w != jpeg_src_buf->w || + q_data_cap->h != jpeg_src_buf->h) { dev_dbg(dev, "Detected jpeg res=(%dx%d)->(%dx%d), pixfmt=%c%c%c%c\n", q_data_cap->w, q_data_cap->h, jpeg_src_buf->w, jpeg_src_buf->h, @@ -976,9 +977,16 @@ static bool mxc_jpeg_source_change(struct mxc_jpeg_ctx *ctx, mxc_jpeg_bytesperline(q_data_cap, jpeg_src_buf->fmt->precision); mxc_jpeg_sizeimage(q_data_cap); notify_src_chg(ctx); - src_chg = true; + ctx->source_change = 1; } - return src_chg; + return ctx->source_change ? true : false; +} + +static int mxc_jpeg_job_ready(void *priv) +{ + struct mxc_jpeg_ctx *ctx = priv; + + return ctx->source_change ? 0 : 1; } static void mxc_jpeg_device_run(void *priv) @@ -1028,6 +1036,13 @@ static void mxc_jpeg_device_run(void *priv) return; } + if (ctx->mxc_jpeg->mode == MXC_JPEG_DECODE) { + if (ctx->source_change || mxc_jpeg_source_change(ctx, jpeg_src_buf)) { + spin_unlock_irqrestore(&ctx->mxc_jpeg->hw_lock, flags); + v4l2_m2m_job_finish(jpeg->m2m_dev, ctx->fh.m2m_ctx); + return; + } + } mxc_jpeg_enable(reg); mxc_jpeg_set_l_endian(reg, 1); @@ -1074,6 +1089,7 @@ static void mxc_jpeg_set_last_buffer_dequeued(struct mxc_jpeg_ctx *ctx) q->last_buffer_dequeued = true; wake_up(&q->done_wq); ctx->stopped = 0; + ctx->header_parsed = false; } static int mxc_jpeg_decoder_cmd(struct file *file, void *priv, @@ -1167,6 +1183,8 @@ static int mxc_jpeg_start_streaming(struct vb2_queue *q, unsigned int count) struct mxc_jpeg_q_data *q_data = mxc_jpeg_get_q_data(ctx, q->type); int ret; + if (ctx->mxc_jpeg->mode == MXC_JPEG_DECODE && V4L2_TYPE_IS_CAPTURE(q->type)) + ctx->source_change = 0; dev_dbg(ctx->mxc_jpeg->dev, "Start streaming ctx=%p", ctx); q_data->sequence = 0; @@ -1345,16 +1363,15 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb) dev_warn(dev, "Invalid user resolution 0x0"); dev_warn(dev, "Keeping resolution from JPEG: %dx%d", header.frame.width, header.frame.height); - q_data_out->w = header.frame.width; - q_data_out->h = header.frame.height; } else if (header.frame.width != q_data_out->w || header.frame.height != q_data_out->h) { dev_err(dev, "Resolution mismatch: %dx%d (JPEG) versus %dx%d(user)", header.frame.width, header.frame.height, q_data_out->w, q_data_out->h); - return -EINVAL; } + q_data_out->w = header.frame.width; + q_data_out->h = header.frame.height; if (header.frame.width % 8 != 0 || header.frame.height % 8 != 0) { dev_err(dev, "JPEG width or height not multiple of 8: %dx%d\n", header.frame.width, header.frame.height); @@ -1390,8 +1407,10 @@ static int mxc_jpeg_parse(struct mxc_jpeg_ctx *ctx, struct vb2_buffer *vb) jpeg_src_buf->fmt = mxc_jpeg_find_format(ctx, fourcc); jpeg_src_buf->w = header.frame.width; jpeg_src_buf->h = header.frame.height; + ctx->header_parsed = true; - mxc_jpeg_source_change(ctx, jpeg_src_buf); + if (!v4l2_m2m_num_src_bufs_ready(ctx->fh.m2m_ctx)) + mxc_jpeg_source_change(ctx, jpeg_src_buf); return 0; } @@ -1468,6 +1487,7 @@ static void mxc_jpeg_buf_finish(struct vb2_buffer *vb) if (list_empty(&q->done_list)) { vbuf->flags |= V4L2_BUF_FLAG_LAST; ctx->stopped = 0; + ctx->header_parsed = false; } } @@ -1613,26 +1633,42 @@ static int mxc_jpeg_enum_fmt_vid_cap(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(priv); + struct mxc_jpeg_q_data *q_data = mxc_jpeg_get_q_data(ctx, f->type); - if (ctx->mxc_jpeg->mode == MXC_JPEG_ENCODE) + if (ctx->mxc_jpeg->mode == MXC_JPEG_ENCODE) { return enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, MXC_JPEG_FMT_TYPE_ENC); - else + } else if (!ctx->header_parsed) { return enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, MXC_JPEG_FMT_TYPE_RAW); + } else { + /* For the decoder CAPTURE queue, only enumerate the raw formats + * supported for the format currently active on OUTPUT + * (more precisely what was propagated on capture queue + * after jpeg parse on the output buffer) + */ + if (f->index) + return -EINVAL; + f->pixelformat = q_data->fmt->fourcc; + strscpy(f->description, q_data->fmt->name, sizeof(f->description)); + return 0; + } } static int mxc_jpeg_enum_fmt_vid_out(struct file *file, void *priv, struct v4l2_fmtdesc *f) { struct mxc_jpeg_ctx *ctx = mxc_jpeg_fh_to_ctx(priv); + u32 type = ctx->mxc_jpeg->mode == MXC_JPEG_DECODE ? MXC_JPEG_FMT_TYPE_ENC : + MXC_JPEG_FMT_TYPE_RAW; + int ret; + ret = enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, type); + if (ret) + return ret; if (ctx->mxc_jpeg->mode == MXC_JPEG_DECODE) - return enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, - MXC_JPEG_FMT_TYPE_ENC); - else - return enum_fmt(mxc_formats, MXC_JPEG_NUM_FORMATS, f, - MXC_JPEG_FMT_TYPE_RAW); + f->flags = V4L2_FMT_FLAG_DYN_RESOLUTION; + return 0; } static int mxc_jpeg_try_fmt(struct v4l2_format *f, const struct mxc_jpeg_fmt *fmt, @@ -2013,6 +2049,7 @@ static const struct v4l2_file_operations mxc_jpeg_fops = { }; static const struct v4l2_m2m_ops mxc_jpeg_m2m_ops = { + .job_ready = mxc_jpeg_job_ready, .device_run = mxc_jpeg_device_run, }; diff --git a/drivers/media/platform/imx-jpeg/mxc-jpeg.h b/drivers/media/platform/imx-jpeg/mxc-jpeg.h index 82b38cc2dfab..9ae56e6e0fbe 100644 --- a/drivers/media/platform/imx-jpeg/mxc-jpeg.h +++ b/drivers/media/platform/imx-jpeg/mxc-jpeg.h @@ -94,6 +94,8 @@ struct mxc_jpeg_ctx { unsigned int stopping; unsigned int stopped; unsigned int slot; + unsigned int source_change; + bool header_parsed; }; struct mxc_jpeg_slot_data {