From patchwork Thu Jan 19 11:28:46 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: shravan chippa X-Patchwork-Id: 13107736 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 D3593C004D4 for ; Thu, 19 Jan 2023 11:29:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230268AbjASL33 (ORCPT ); Thu, 19 Jan 2023 06:29:29 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37880 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230251AbjASL3T (ORCPT ); Thu, 19 Jan 2023 06:29:19 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BAA357495D; Thu, 19 Jan 2023 03:29:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1674127749; x=1705663749; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=h76uIRtA1SB3Hz4CTJgxl3kCbMQGAL66Dl/fQLhakSk=; b=IwXU1TU8KiJkrqHBr73pxoCfxAZSOYmsc6rYyi0azHhudLVIzzPqQExn NoFOxs+AigvHmmd90LKx/K5ZXfrvA2cs5bTTw4u3LIeUecfSiureBj60/ plDosoSuTvKEFucFknmCtCJqyWd1JAr2u1Do5GgUYUz1yG6BBkGpmo/Xl pvOMhhMQgCQhqJ7R7A/84/b+ZLr0+U6djM5iPmZAyEJyb1Qjwkrd+8o4K aAtPk7NcSk6VSSZ3QBmdIBvm+OWT9WD9qBx7g8Pj1yQVX/Cx6x1jwymAJ WIiU4TLbI3VNt5fbikfvHDeZIFYcZJuXMjvmyxq5QLBXMi6S5KE9wPpQT w==; X-IronPort-AV: E=Sophos;i="5.97,229,1669100400"; d="scan'208";a="197282261" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa3.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 19 Jan 2023 04:29:08 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Thu, 19 Jan 2023 04:29:08 -0700 Received: from microchip1-OptiPlex-9020.microchip.com (10.10.115.15) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.16 via Frontend Transport; Thu, 19 Jan 2023 04:29:05 -0700 From: shravan kumar To: , , CC: , , "shravan kumar" , Jacopo Mondi , Conor Dooley , Prakash Battu Subject: [PATCH v10 3/5] media: i2c: imx334: support lower bandwidth mode Date: Thu, 19 Jan 2023 16:58:46 +0530 Message-ID: <20230119112848.3523273-4-shravan.chippa@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230119112848.3523273-1-shravan.chippa@microchip.com> References: <20230119112848.3523273-1-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 Reviewed-by: Jacopo Mondi CC: Conor Dooley Signed-off-by: Prakash Battu Signed-off-by: Shravan Chippa --- drivers/media/i2c/imx334.c | 296 +++++++++++++++++++++++++++++++++---- 1 file changed, 269 insertions(+), 27 deletions(-) diff --git a/drivers/media/i2c/imx334.c b/drivers/media/i2c/imx334.c index 40ece08f20f5..309c706114d2 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; }; @@ -147,7 +147,170 @@ static const s64 link_freq[] = { IMX334_LINK_FREQ, }; -/* Sensor mode registers */ +/* Sensor mode registers for 1920x1080@30fps */ +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 for 3840x2160@30fps */ static const struct imx334_reg mode_3840x2160_regs[] = { {0x3000, 0x01}, {0x3002, 0x00}, @@ -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 = 2480, + .vblank = 1170, + .vblank_min = 45, + .vblank_max = 132840, + .pclk = 297000000, + .link_freq_idx = 0, + .reg_list = { + .num_of_regs = ARRAY_SIZE(mode_1920x1080_regs), + .regs = mode_1920x1080_regs, + }, }, }; @@ -518,6 +714,18 @@ 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; + + for (i = 0; i < ARRAY_SIZE(imx334_mbus_codes); i++) { + if (imx334_mbus_codes[i] == code) + return imx334_mbus_codes[i]; + } + + return imx334_mbus_codes[0]; +} + /** * imx334_enum_mbus_code() - Enumerate V4L2 sub-device mbus codes * @sd: pointer to imx334 V4L2 sub-device structure @@ -530,10 +738,10 @@ 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 +758,20 @@ 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); + u32 code; + + if (fsize->index >= ARRAY_SIZE(supported_modes)) return -EINVAL; - if (fsize->code != supported_mode.code) + code = imx334_get_format_code(imx334, fsize->code); + + 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 +790,6 @@ 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; @@ -607,6 +819,7 @@ static int imx334_get_pad_format(struct v4l2_subdev *sd, framefmt = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad); fmt->format = *framefmt; } else { + fmt->format.code = imx334->cur_code; imx334_fill_pad_format(imx334, imx334->cur_mode, fmt); } @@ -633,15 +846,21 @@ static int imx334_set_pad_format(struct v4l2_subdev *sd, mutex_lock(&imx334->mutex); - mode = &supported_mode; + 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); + fmt->format.code = imx334_get_format_code(imx334, fmt->format.code); if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { struct v4l2_mbus_framefmt *framefmt; 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 +885,26 @@ 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 +925,13 @@ 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 +1302,8 @@ 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);