From patchwork Fri May 13 14:14:15 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacopo Mondi X-Patchwork-Id: 572380 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 40D9DC433EF for ; Fri, 13 May 2022 14:19:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354307AbiEMOTJ (ORCPT ); Fri, 13 May 2022 10:19:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49878 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354725AbiEMOTD (ORCPT ); Fri, 13 May 2022 10:19:03 -0400 Received: from relay1-d.mail.gandi.net (relay1-d.mail.gandi.net [IPv6:2001:4b98:dc4:8::221]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7CBDD14C774 for ; Fri, 13 May 2022 07:19:02 -0700 (PDT) Received: (Authenticated sender: jacopo@jmondi.org) by mail.gandi.net (Postfix) with ESMTPSA id 8DA63240013; Fri, 13 May 2022 14:19:00 +0000 (UTC) From: Jacopo Mondi To: sakari.ailus@iki.fi, mchehab@kernel.org, linux-media@vger.kernel.org Subject: [PATCH v7 27/28] media: ov5640: Split DVP and CSI-2 formats Date: Fri, 13 May 2022 16:14:15 +0200 Message-Id: <20220513141416.120552-28-jacopo@jmondi.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220513141416.120552-1-jacopo@jmondi.org> References: <20220513141416.120552-1-jacopo@jmondi.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The format enumeration list is shared between CSI-2 and DVP modes. This lead to the enumeration of unsupported format variants in both modes. Separate the list of DVP and CSI-2 formats and create helpers to access the correct one. Signed-off-by: Jacopo Mondi Reviewed-by: Laurent Pinchart --- drivers/media/i2c/ov5640.c | 126 ++++++++++++++++++++++++++----------- 1 file changed, 90 insertions(+), 36 deletions(-) diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c index 096e2ee924aa..44f26d5cf029 100644 --- a/drivers/media/i2c/ov5640.c +++ b/drivers/media/i2c/ov5640.c @@ -188,11 +188,13 @@ enum ov5640_format_mux { OV5640_FMT_MUX_RAW_CIP, }; -static const struct ov5640_pixfmt { +struct ov5640_pixfmt { u32 code; u32 colorspace; u8 bpp; -} ov5640_formats[] = { +}; + +static const struct ov5640_pixfmt ov5640_dvp_formats[] = { { .code = MEDIA_BUS_FMT_JPEG_1X8, .colorspace = V4L2_COLORSPACE_JPEG, @@ -202,23 +204,48 @@ static const struct ov5640_pixfmt { .colorspace = V4L2_COLORSPACE_SRGB, .bpp = 16, }, { - .code = MEDIA_BUS_FMT_UYVY8_1X16, + .code = MEDIA_BUS_FMT_YUYV8_2X8, .colorspace = V4L2_COLORSPACE_SRGB, .bpp = 16, }, { - .code = MEDIA_BUS_FMT_YUYV8_2X8, + .code = MEDIA_BUS_FMT_RGB565_2X8_LE, .colorspace = V4L2_COLORSPACE_SRGB, .bpp = 16, }, { - .code = MEDIA_BUS_FMT_YUYV8_1X16, + .code = MEDIA_BUS_FMT_RGB565_2X8_BE, .colorspace = V4L2_COLORSPACE_SRGB, .bpp = 16, }, { - .code = MEDIA_BUS_FMT_RGB565_2X8_LE, + .code = MEDIA_BUS_FMT_SBGGR8_1X8, + .colorspace = V4L2_COLORSPACE_SRGB, + .bpp = 8, + }, { + .code = MEDIA_BUS_FMT_SGBRG8_1X8, + .colorspace = V4L2_COLORSPACE_SRGB, + .bpp = 8 + }, { + .code = MEDIA_BUS_FMT_SGRBG8_1X8, .colorspace = V4L2_COLORSPACE_SRGB, + .bpp = 8, + }, { + .code = MEDIA_BUS_FMT_SRGGB8_1X8, + .colorspace = V4L2_COLORSPACE_SRGB, + .bpp = 8, + }, + { /* sentinel */ } +}; + +static const struct ov5640_pixfmt ov5640_csi2_formats[] = { + { + .code = MEDIA_BUS_FMT_JPEG_1X8, + .colorspace = V4L2_COLORSPACE_JPEG, .bpp = 16, }, { - .code = MEDIA_BUS_FMT_RGB565_2X8_BE, + .code = MEDIA_BUS_FMT_UYVY8_1X16, + .colorspace = V4L2_COLORSPACE_SRGB, + .bpp = 16, + }, { + .code = MEDIA_BUS_FMT_YUYV8_1X16, .colorspace = V4L2_COLORSPACE_SRGB, .bpp = 16, }, { @@ -246,20 +273,9 @@ static const struct ov5640_pixfmt { .colorspace = V4L2_COLORSPACE_SRGB, .bpp = 8, }, + { /* sentinel */ } }; -static u32 ov5640_code_to_bpp(u32 code) -{ - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(ov5640_formats); ++i) { - if (ov5640_formats[i].code == code) - return ov5640_formats[i].bpp; - } - - return 0; -} - /* * FIXME: remove this when a subdev API becomes available * to set the MIPI CSI-2 virtual channel. @@ -411,6 +427,35 @@ static inline bool ov5640_is_csi2(const struct ov5640_dev *sensor) return sensor->ep.bus_type == V4L2_MBUS_CSI2_DPHY; } +static inline const struct ov5640_pixfmt * +ov5640_formats(struct ov5640_dev *sensor) +{ + return ov5640_is_csi2(sensor) ? ov5640_csi2_formats + : ov5640_dvp_formats; +} + +static const struct ov5640_pixfmt * +ov5640_code_to_pixfmt(struct ov5640_dev *sensor, u32 code) +{ + const struct ov5640_pixfmt *formats = ov5640_formats(sensor); + unsigned int i; + + for (i = 0; formats[i].code; ++i) { + if (formats[i].code == code) + return &formats[i]; + } + + return &formats[0]; +} + +static u32 ov5640_code_to_bpp(struct ov5640_dev *sensor, u32 code) +{ + const struct ov5640_pixfmt *format = ov5640_code_to_pixfmt(sensor, + code); + + return format->bpp; +} + /* * FIXME: all of these register tables are likely filled with * entries that set the register to their power-on default values, @@ -1472,7 +1517,7 @@ static int ov5640_set_dvp_pclk(struct ov5640_dev *sensor) int ret; rate = ov5640_calc_pixel_rate(sensor); - rate *= ov5640_code_to_bpp(sensor->fmt.code); + rate *= ov5640_code_to_bpp(sensor, sensor->fmt.code); rate /= sensor->ep.bus.parallel.bus_width; ov5640_calc_pclk(sensor, rate, &prediv, &mult, &sysdiv, &pll_rdiv, @@ -2698,15 +2743,18 @@ static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, enum ov5640_frame_rate fr, const struct ov5640_mode_info **new_mode) { - unsigned int bpp = ov5640_code_to_bpp(fmt->code); struct ov5640_dev *sensor = to_ov5640_dev(sd); const struct ov5640_mode_info *mode; - int i; + const struct ov5640_pixfmt *pixfmt; + unsigned int bpp; mode = ov5640_find_mode(sensor, fmt->width, fmt->height, true); if (!mode) return -EINVAL; + pixfmt = ov5640_code_to_pixfmt(sensor, fmt->code); + bpp = pixfmt->bpp; + /* * Adjust mode according to bpp: * - 8bpp modes work for resolution >= 1280x720 @@ -2723,14 +2771,8 @@ static int ov5640_try_fmt_internal(struct v4l2_subdev *sd, 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)) - i = 0; - - fmt->code = ov5640_formats[i].code; - fmt->colorspace = ov5640_formats[i].colorspace; + fmt->code = pixfmt->code; + fmt->colorspace = pixfmt->colorspace; fmt->ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(fmt->colorspace); fmt->quantization = V4L2_QUANTIZATION_FULL_RANGE; fmt->xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(fmt->colorspace); @@ -2773,7 +2815,7 @@ static int ov5640_update_pixel_rate(struct ov5640_dev *sensor) * progressively slow it down if it exceeds 1GHz. */ num_lanes = sensor->ep.bus.mipi_csi2.num_data_lanes; - bpp = ov5640_code_to_bpp(fmt->code); + bpp = ov5640_code_to_bpp(sensor, fmt->code); do { pixel_rate = ov5640_pixel_rates[pixel_rate_id]; link_freq = pixel_rate * bpp / (2 * num_lanes); @@ -3486,7 +3528,8 @@ static int ov5640_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fse) { - u32 bpp = ov5640_code_to_bpp(fse->code); + struct ov5640_dev *sensor = to_ov5640_dev(sd); + u32 bpp = ov5640_code_to_bpp(sensor, fse->code); unsigned int index = fse->index; if (fse->pad != 0) @@ -3608,12 +3651,23 @@ static int ov5640_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { - if (code->pad != 0) - return -EINVAL; - if (code->index >= ARRAY_SIZE(ov5640_formats)) + struct ov5640_dev *sensor = to_ov5640_dev(sd); + const struct ov5640_pixfmt *formats; + unsigned int num_formats; + + if (ov5640_is_csi2(sensor)) { + formats = ov5640_csi2_formats; + num_formats = ARRAY_SIZE(ov5640_csi2_formats) - 1; + } else { + formats = ov5640_dvp_formats; + num_formats = ARRAY_SIZE(ov5640_dvp_formats) - 1; + } + + if (code->index >= num_formats) return -EINVAL; - code->code = ov5640_formats[code->index].code; + code->code = formats[code->index].code; + return 0; }