From patchwork Mon Dec 5 05:19:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: shravan kumar X-Patchwork-Id: 13064141 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 8B5D3C4321E for ; Mon, 5 Dec 2022 05:20:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231721AbiLEFUn (ORCPT ); Mon, 5 Dec 2022 00:20:43 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44746 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231640AbiLEFU1 (ORCPT ); Mon, 5 Dec 2022 00:20:27 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1166513F68; Sun, 4 Dec 2022 21:20:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1670217612; x=1701753612; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Wu4RO1378kBKkb63nuW4X7ZIGJKZ+WVKDqs2LbdMyNE=; b=YzfSrxkCekw4/zl+BZBZk/rpXzyMgCDwPeoIF6BAJlvWP8T3UbMuzL0g EiILoqNcN5CT6dnb60BxQ7i/CC1CQohH1SPQg4dCz/6UpurBzaMldg6Xu r4hhxQkQo+ozWhAIX2zhzKlZS8vvL80IuuTgQWKMTpiKL1O0yt1dPR+7w M+4014MbuF5sW76BXwvsNmpv+MZ45lnsOjfX0/FPd0rh7h1GZM3ZLIEZW pcfWZHiHBKPQZ/eU71vl8nYPsE3b7/0LLNgxA9VZ5BixS8RxFmMAzaKHz Ig4omxBjaCbtsccYfCp4CQuMQEYoVq+cqQwId48i9PVO9EvcXeS8VbZCu Q==; X-IronPort-AV: E=Sophos;i="5.96,218,1665471600"; d="scan'208";a="202580532" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 04 Dec 2022 22:20:11 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.12; Sun, 4 Dec 2022 22:20:11 -0700 Received: from microchip1-OptiPlex-9020.microchip.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.12 via Frontend Transport; Sun, 4 Dec 2022 22:20:08 -0700 From: shravan kumar To: , , CC: , , "Shravan Chippa" , Conor Dooley , Prakash Battu Subject: [PATCH v6 4/5] media: i2c: imx334: support lower bandwidth mode Date: Mon, 5 Dec 2022 10:49:36 +0530 Message-ID: <20221205051937.3897001-6-shravan.chippa@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221205051937.3897001-1-shravan.chippa@microchip.com> References: <20221205051937.3897001-1-shravan.chippa@microchip.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org From: Shravan Chippa Some platforms may not be capable of supporting the bandwidth required for 12 bit or 3840x2160@60 resolutions. Add support for dynamically selecting 10 bit and 1920x1080@30 resolutions while leaving the existing configuration as default CC: Conor Dooley Signed-off-by: Prakash Battu Signed-off-by: Shravan Chippa --- drivers/media/i2c/imx334.c | 301 +++++++++++++++++++++++++++++++++---- 1 file changed, 275 insertions(+), 26 deletions(-) diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c index 1fa7e3711c3d..d5b566085da9 100644 --- a/drivers/media/i2c/imx334.c +++ b/drivers/media/i2c/imx334.c @@ -79,7 +79,6 @@ struct imx334_reg_list { * struct imx334_mode - imx334 sensor mode structure * @width: Frame width * @height: Frame height - * @code: Format code * @hblank: Horizontal blanking in lines * @vblank: Vertical blanking in lines * @vblank_min: Minimal vertical blanking in lines @@ -91,7 +90,6 @@ struct imx334_reg_list { struct imx334_mode { u32 width; u32 height; - u32 code; u32 hblank; u32 vblank; u32 vblank_min; @@ -119,6 +117,7 @@ struct imx334_mode { * @vblank: Vertical blanking in lines * @cur_mode: Pointer to current selected sensor mode * @mutex: Mutex for serializing sensor controls + * @cur_code: current selected format code * @streaming: Flag indicating streaming state */ struct imx334 { @@ -140,6 +139,7 @@ struct imx334 { u32 vblank; const struct imx334_mode *cur_mode; struct mutex mutex; + u32 cur_code; bool streaming; }; @@ -147,6 +147,169 @@ static const s64 link_freq[] = { IMX334_LINK_FREQ, }; +/* Sensor mode registers */ +static const struct imx334_reg mode_1920x1080_regs[] = { + {0x3000, 0x01}, + {0x3018, 0x04}, + {0x3030, 0xCA}, + {0x3031, 0x08}, + {0x3032, 0x00}, + {0x3034, 0x4C}, + {0x3035, 0x04}, + {0x302C, 0xF0}, + {0x302D, 0x03}, + {0x302E, 0x80}, + {0x302F, 0x07}, + {0x3074, 0xCC}, + {0x3075, 0x02}, + {0x308E, 0xCD}, + {0x308F, 0x02}, + {0x3076, 0x38}, + {0x3077, 0x04}, + {0x3090, 0x38}, + {0x3091, 0x04}, + {0x3308, 0x38}, + {0x3309, 0x04}, + {0x30C6, 0x00}, + {0x30C7, 0x00}, + {0x30CE, 0x00}, + {0x30CF, 0x00}, + {0x30D8, 0x18}, + {0x30D9, 0x0A}, + {0x304C, 0x00}, + {0x304E, 0x00}, + {0x304F, 0x00}, + {0x3050, 0x00}, + {0x30B6, 0x00}, + {0x30B7, 0x00}, + {0x3116, 0x08}, + {0x3117, 0x00}, + {0x31A0, 0x20}, + {0x31A1, 0x0F}, + {0x300C, 0x3B}, + {0x300D, 0x29}, + {0x314C, 0x29}, + {0x314D, 0x01}, + {0x315A, 0x06}, + {0x3168, 0xA0}, + {0x316A, 0x7E}, + {0x319E, 0x02}, + {0x3199, 0x00}, + {0x319D, 0x00}, + {0x31DD, 0x03}, + {0x3300, 0x00}, + {0x341C, 0xFF}, + {0x341D, 0x01}, + {0x3A01, 0x03}, + {0x3A18, 0x7F}, + {0x3A19, 0x00}, + {0x3A1A, 0x37}, + {0x3A1B, 0x00}, + {0x3A1C, 0x37}, + {0x3A1D, 0x00}, + {0x3A1E, 0xF7}, + {0x3A1F, 0x00}, + {0x3A20, 0x3F}, + {0x3A21, 0x00}, + {0x3A20, 0x6F}, + {0x3A21, 0x00}, + {0x3A20, 0x3F}, + {0x3A21, 0x00}, + {0x3A20, 0x5F}, + {0x3A21, 0x00}, + {0x3A20, 0x2F}, + {0x3A21, 0x00}, + {0x3078, 0x02}, + {0x3079, 0x00}, + {0x307A, 0x00}, + {0x307B, 0x00}, + {0x3080, 0x02}, + {0x3081, 0x00}, + {0x3082, 0x00}, + {0x3083, 0x00}, + {0x3088, 0x02}, + {0x3094, 0x00}, + {0x3095, 0x00}, + {0x3096, 0x00}, + {0x309B, 0x02}, + {0x309C, 0x00}, + {0x309D, 0x00}, + {0x309E, 0x00}, + {0x30A4, 0x00}, + {0x30A5, 0x00}, + {0x3288, 0x21}, + {0x328A, 0x02}, + {0x3414, 0x05}, + {0x3416, 0x18}, + {0x35AC, 0x0E}, + {0x3648, 0x01}, + {0x364A, 0x04}, + {0x364C, 0x04}, + {0x3678, 0x01}, + {0x367C, 0x31}, + {0x367E, 0x31}, + {0x3708, 0x02}, + {0x3714, 0x01}, + {0x3715, 0x02}, + {0x3716, 0x02}, + {0x3717, 0x02}, + {0x371C, 0x3D}, + {0x371D, 0x3F}, + {0x372C, 0x00}, + {0x372D, 0x00}, + {0x372E, 0x46}, + {0x372F, 0x00}, + {0x3730, 0x89}, + {0x3731, 0x00}, + {0x3732, 0x08}, + {0x3733, 0x01}, + {0x3734, 0xFE}, + {0x3735, 0x05}, + {0x375D, 0x00}, + {0x375E, 0x00}, + {0x375F, 0x61}, + {0x3760, 0x06}, + {0x3768, 0x1B}, + {0x3769, 0x1B}, + {0x376A, 0x1A}, + {0x376B, 0x19}, + {0x376C, 0x18}, + {0x376D, 0x14}, + {0x376E, 0x0F}, + {0x3776, 0x00}, + {0x3777, 0x00}, + {0x3778, 0x46}, + {0x3779, 0x00}, + {0x377A, 0x08}, + {0x377B, 0x01}, + {0x377C, 0x45}, + {0x377D, 0x01}, + {0x377E, 0x23}, + {0x377F, 0x02}, + {0x3780, 0xD9}, + {0x3781, 0x03}, + {0x3782, 0xF5}, + {0x3783, 0x06}, + {0x3784, 0xA5}, + {0x3788, 0x0F}, + {0x378A, 0xD9}, + {0x378B, 0x03}, + {0x378C, 0xEB}, + {0x378D, 0x05}, + {0x378E, 0x87}, + {0x378F, 0x06}, + {0x3790, 0xF5}, + {0x3792, 0x43}, + {0x3794, 0x7A}, + {0x3796, 0xA1}, + {0x37B0, 0x37}, + {0x3E04, 0x0E}, + {0x30E8, 0x50}, + {0x30E9, 0x00}, + {0x3E04, 0x0E}, + {0x3002, 0x00}, +}; + /* Sensor mode registers */ static const struct imx334_reg mode_3840x2160_regs[] = { {0x3000, 0x01}, @@ -263,20 +426,53 @@ static const struct imx334_reg mode_3840x2160_regs[] = { {0x3A29, 0x00}, }; +static const struct imx334_reg raw10_framefmt_regs[] = { + {0x3050, 0x00}, + {0x319D, 0x00}, + {0x341C, 0xFF}, + {0x341D, 0x01}, +}; + +static const struct imx334_reg raw12_framefmt_regs[] = { + {0x3050, 0x01}, + {0x319D, 0x01}, + {0x341C, 0x47}, + {0x341D, 0x00}, +}; + +static const u32 imx334_mbus_codes[] = { + MEDIA_BUS_FMT_SRGGB12_1X12, + MEDIA_BUS_FMT_SRGGB10_1X10, +}; + /* Supported sensor mode configurations */ -static const struct imx334_mode supported_mode = { - .width = 3840, - .height = 2160, - .hblank = 560, - .vblank = 2340, - .vblank_min = 90, - .vblank_max = 132840, - .pclk = 594000000, - .link_freq_idx = 0, - .code = MEDIA_BUS_FMT_SRGGB12_1X12, - .reg_list = { - .num_of_regs = ARRAY_SIZE(mode_3840x2160_regs), - .regs = mode_3840x2160_regs, +static const struct imx334_mode supported_modes[] = { + { + .width = 3840, + .height = 2160, + .hblank = 560, + .vblank = 2340, + .vblank_min = 90, + .vblank_max = 132840, + .pclk = 594000000, + .link_freq_idx = 0, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mode_3840x2160_regs), + .regs = mode_3840x2160_regs, + }, + }, { + .width = 1920, + .height = 1080, + .hblank = 280, + .vblank = 1170, + .vblank_min = 90, + .vblank_max = 132840, + .pclk = 74250000, + .link_freq_idx = 0, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mode_1920x1080_regs), + .regs = mode_1920x1080_regs, + }, }, }; @@ -518,6 +714,23 @@ static const struct v4l2_ctrl_ops imx334_ctrl_ops = { .s_ctrl = imx334_set_ctrl, }; +static int imx334_get_format_code(struct imx334 *imx334, u32 code) +{ + unsigned int i; + + lockdep_assert_held(&imx334->mutex); + + for (i = 0; i < ARRAY_SIZE(imx334_mbus_codes); i++) { + if (imx334_mbus_codes[i] == code) + break; + } + + if (i >= ARRAY_SIZE(imx334_mbus_codes)) + i = 0; + + return imx334_mbus_codes[i]; +} + /** * imx334_enum_mbus_code() - Enumerate V4L2 sub-device mbus codes * @sd: pointer to imx334 V4L2 sub-device structure @@ -530,10 +743,10 @@ static int imx334_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_mbus_code_enum *code) { - if (code->index > 0) + if (code->index >= ARRAY_SIZE(imx334_mbus_codes)) return -EINVAL; - code->code = supported_mode.code; + code->code = imx334_mbus_codes[code->index]; return 0; } @@ -550,15 +763,22 @@ static int imx334_enum_frame_size(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state, struct v4l2_subdev_frame_size_enum *fsize) { - if (fsize->index > 0) + struct imx334 *imx334 = to_imx334(sd); + unsigned int i; + u32 code; + + if (fsize->index >= ARRAY_SIZE(supported_modes)) return -EINVAL; - if (fsize->code != supported_mode.code) + mutex_lock(&imx334->mutex); + code = imx334_get_format_code(imx334, fsize->code); + mutex_unlock(&imx334->mutex); + if (fsize->code != code) return -EINVAL; - fsize->min_width = supported_mode.width; + fsize->min_width = supported_modes[fsize->index].width; fsize->max_width = fsize->min_width; - fsize->min_height = supported_mode.height; + fsize->min_height = supported_modes[fsize->index].height; fsize->max_height = fsize->min_height; return 0; @@ -577,7 +797,6 @@ static void imx334_fill_pad_format(struct imx334 *imx334, { fmt->format.width = mode->width; fmt->format.height = mode->height; - fmt->format.code = mode->code; fmt->format.field = V4L2_FIELD_NONE; fmt->format.colorspace = V4L2_COLORSPACE_RAW; fmt->format.ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT; @@ -633,7 +852,13 @@ static int imx334_set_pad_format(struct v4l2_subdev *sd, mutex_lock(&imx334->mutex); - mode = &supported_mode; + fmt->format.code = imx334_get_format_code(imx334, fmt->format.code); + + mode = v4l2_find_nearest_size(supported_modes, + ARRAY_SIZE(supported_modes), + width, height, + fmt->format.width, fmt->format.height); + imx334_fill_pad_format(imx334, mode, fmt); if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { @@ -641,7 +866,8 @@ static int imx334_set_pad_format(struct v4l2_subdev *sd, framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad); *framefmt = fmt->format; - } else { + } else if (imx334->cur_mode != mode || imx334->cur_code != fmt->format.code) { + imx334->cur_code = fmt->format.code; ret = imx334_update_controls(imx334, mode); if (!ret) imx334->cur_mode = mode; @@ -666,11 +892,26 @@ static int imx334_init_pad_cfg(struct v4l2_subdev *sd, struct v4l2_subdev_format fmt = { 0 }; fmt.which = sd_state ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; - imx334_fill_pad_format(imx334, &supported_mode, &fmt); + imx334_fill_pad_format(imx334, &supported_modes[0], &fmt); return imx334_set_pad_format(sd, sd_state, &fmt); } +static int imx334_set_framefmt(struct imx334 *imx334) +{ + switch (imx334->cur_code) { + case MEDIA_BUS_FMT_SRGGB10_1X10: + return imx334_write_regs(imx334, raw10_framefmt_regs, + ARRAY_SIZE(raw10_framefmt_regs)); + + case MEDIA_BUS_FMT_SRGGB12_1X12: + return imx334_write_regs(imx334, raw12_framefmt_regs, + ARRAY_SIZE(raw12_framefmt_regs)); + } + + return -EINVAL; +} + /** * imx334_start_streaming() - Start sensor stream * @imx334: pointer to imx334 device @@ -691,6 +932,13 @@ static int imx334_start_streaming(struct imx334 *imx334) return ret; } + ret = imx334_set_framefmt(imx334); + if (ret) { + dev_err(imx334->dev, "%s failed to set frame format: %d\n", + __func__, ret); + return ret; + } + /* Setup handler will write actual exposure and gain */ ret = __v4l2_ctrl_handler_setup(imx334->sd.ctrl_handler); if (ret) { @@ -1061,7 +1309,8 @@ static int imx334_probe(struct i2c_client *client) } /* Set default mode to max resolution */ - imx334->cur_mode = &supported_mode; + imx334->cur_mode = &supported_modes[0]; + imx334->cur_code = imx334_mbus_codes[0]; imx334->vblank = imx334->cur_mode->vblank; ret = imx334_init_controls(imx334);