From patchwork Wed Dec 20 09:51:14 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hugues FRUCHET X-Patchwork-Id: 10125347 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 78DB56019C for ; Wed, 20 Dec 2017 09:51:46 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 888762961D for ; Wed, 20 Dec 2017 09:51:46 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7B58F296A0; Wed, 20 Dec 2017 09:51:46 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C1D1C2961D for ; Wed, 20 Dec 2017 09:51:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754579AbdLTJvm (ORCPT ); Wed, 20 Dec 2017 04:51:42 -0500 Received: from mx08-00178001.pphosted.com ([91.207.212.93]:46486 "EHLO mx07-00178001.pphosted.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754070AbdLTJvj (ORCPT ); Wed, 20 Dec 2017 04:51:39 -0500 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-.pphosted.com (8.16.0.21/8.16.0.21) with SMTP id vBK9nFCv012157; Wed, 20 Dec 2017 10:51:32 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 2evsg90cbg-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Wed, 20 Dec 2017 10:51:32 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id C99BC34; Wed, 20 Dec 2017 09:51:31 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas23.st.com [10.75.90.46]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id AB5BF25AB; Wed, 20 Dec 2017 09:51:31 +0000 (GMT) Received: from SAFEX1HUBCAS22.st.com (10.75.90.92) by SAFEX1HUBCAS23.st.com (10.75.90.46) with Microsoft SMTP Server (TLS) id 14.3.352.0; Wed, 20 Dec 2017 10:51:31 +0100 Received: from localhost (10.201.23.73) by Webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.352.0; Wed, 20 Dec 2017 10:51:31 +0100 From: Hugues Fruchet To: Steve Longerbeam , Sakari Ailus , Hans Verkuil , "Mauro Carvalho Chehab" , Rob Herring , Mark Rutland CC: , Hugues Fruchet , Benjamin Gaignard Subject: [PATCH v4 5/5] media: ov5640: add support of RGB565 and YUYV formats Date: Wed, 20 Dec 2017 10:51:14 +0100 Message-ID: <1513763474-1174-6-git-send-email-hugues.fruchet@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1513763474-1174-1-git-send-email-hugues.fruchet@st.com> References: <1513763474-1174-1-git-send-email-hugues.fruchet@st.com> MIME-Version: 1.0 X-Originating-IP: [10.201.23.73] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-12-20_05:, , signatures=0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add RGB565 (LE & BE) and YUV422 YUYV format in addition to existing YUV422 UYVY format. Signed-off-by: Hugues Fruchet --- drivers/media/i2c/ov5640.c | 74 +++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 67 insertions(+), 7 deletions(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index a44b680..f017742 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -76,9 +76,11 @@ #define OV5640_REG_HZ5060_CTRL01 0x3c01 #define OV5640_REG_SIGMADELTA_CTRL0C 0x3c0c #define OV5640_REG_FRAME_CTRL01 0x4202 +#define OV5640_REG_FORMAT_CONTROL00 0x4300 #define OV5640_REG_POLARITY_CTRL00 0x4740 #define OV5640_REG_MIPI_CTRL00 0x4800 #define OV5640_REG_DEBUG_MODE 0x4814 +#define OV5640_REG_ISP_FORMAT_MUX_CTRL 0x501f #define OV5640_REG_PRE_ISP_TEST_SET1 0x503d #define OV5640_REG_SDE_CTRL0 0x5580 #define OV5640_REG_SDE_CTRL1 0x5581 @@ -106,6 +108,18 @@ enum ov5640_frame_rate { OV5640_NUM_FRAMERATES, }; +struct ov5640_pixfmt { + u32 code; + u32 colorspace; +}; + +static const struct ov5640_pixfmt ov5640_formats[] = { + { MEDIA_BUS_FMT_UYVY8_2X8, V4L2_COLORSPACE_SRGB, }, + { MEDIA_BUS_FMT_YUYV8_2X8, V4L2_COLORSPACE_SRGB, }, + { MEDIA_BUS_FMT_RGB565_2X8_LE, V4L2_COLORSPACE_SRGB, }, + { MEDIA_BUS_FMT_RGB565_2X8_BE, V4L2_COLORSPACE_SRGB, }, +}; + /* * FIXME: remove this when a subdev API becomes available * to set the MIPI CSI-2 virtual channel. @@ -1837,17 +1851,23 @@ static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, { struct ov5640_dev *sensor = to_ov5640_dev(sd); const struct ov5640_mode_info *mode; + int i; mode = ov5640_find_mode(sensor, fr, fmt->width, fmt->height, true); if (!mode) return -EINVAL; - fmt->width = mode->width; fmt->height = mode->height; - fmt->code = sensor->fmt.code; if (new_mode) *new_mode = mode; + + for (i = 0; i < ARRAY_SIZE(ov5640_formats); i++) + if (ov5640_formats[i].code == fmt->code) + break; + if (i >= ARRAY_SIZE(ov5640_formats)) + fmt->code = ov5640_formats[0].code; + return 0; } @@ -1890,6 +1910,45 @@ static int ov5640_set_fmt(struct v4l2_subdev *sd, return ret; } +static int ov5640_set_framefmt(struct ov5640_dev *sensor, + struct v4l2_mbus_framefmt *format) +{ + int ret = 0; + bool is_rgb = false; + u8 val; + + switch (format->code) { + case MEDIA_BUS_FMT_UYVY8_2X8: + /* YUV422, UYVY */ + val = 0x3f; + break; + case MEDIA_BUS_FMT_YUYV8_2X8: + /* YUV422, YUYV */ + val = 0x30; + break; + case MEDIA_BUS_FMT_RGB565_2X8_LE: + /* RGB565 {g[2:0],b[4:0]},{r[4:0],g[5:3]} */ + val = 0x6F; + is_rgb = true; + break; + case MEDIA_BUS_FMT_RGB565_2X8_BE: + /* RGB565 {r[4:0],g[5:3]},{g[2:0],b[4:0]} */ + val = 0x61; + is_rgb = true; + break; + default: + return -EINVAL; + } + + /* FORMAT CONTROL00: YUV and RGB formatting */ + ret = ov5640_write_reg(sensor, OV5640_REG_FORMAT_CONTROL00, val); + if (ret) + return ret; + + /* FORMAT MUX CONTROL: ISP YUV or RGB */ + return ov5640_write_reg(sensor, OV5640_REG_ISP_FORMAT_MUX_CTRL, + is_rgb ? 0x01 : 0x00); +} /* * Sensor Controls. @@ -2275,15 +2334,12 @@ static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg, struct v4l2_subdev_mbus_code_enum *code) { - struct ov5640_dev *sensor = to_ov5640_dev(sd); - if (code->pad != 0) return -EINVAL; - if (code->index != 0) + if (code->index >= ARRAY_SIZE(ov5640_formats)) return -EINVAL; - code->code = sensor->fmt.code; - + code->code = ov5640_formats[code->index].code; return 0; } @@ -2299,6 +2355,10 @@ static int ov5640_s_stream(struct v4l2_subdev *sd, int enable) ret = ov5640_set_mode(sensor, sensor->current_mode); if (ret) goto out; + + ret = ov5640_set_framefmt(sensor, &sensor->fmt); + if (ret) + goto out; } if (sensor->ep.bus_type == V4L2_MBUS_CSI2)