From patchwork Sat Dec 7 20:47:55 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Andr=C3=A9_Apitzsch_via_B4_Relay?= X-Patchwork-Id: 848382 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F340115A863; Sat, 7 Dec 2024 20:48:26 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733604507; cv=none; b=FPfjGrsL7zm8s93FWl4rM3O8hZlljfXVQE0OVuJEUEQvTmD9qKQMOPI4Ng0Ya/LKpqA06jV59PxXkcHc1ikkqzuYODk/uy4h//NmmCbtT1b+X0tflI1onnLOJgIef14mSvbLNnwCPyvcvoBZ4UxIrqGmEP3WZrDEx5SYBKFfxkU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733604507; c=relaxed/simple; bh=Ui+5hYNv2BAzYXeEy6Nbqwxz7ajppthVoNCTh4ERAKA=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=s1CKSPmyuZHYBZCMPqlHT+zN2dcRHDB+BEtCx+cSZHS9DVnYTTSFkc94EMHkbzWJyyzaK2DxYmMiEYyrPlnIMiYqs2KBCrJ1uAOHvkxrubvwO7R2mC7qaGE5W+J5xdtvmPGpeX4BpBHtdO+ZE71OjfzzCQf1G68DH4anoIseO88= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AtKVTZtk; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="AtKVTZtk" Received: by smtp.kernel.org (Postfix) with ESMTPS id 74EC0C4CEEB; Sat, 7 Dec 2024 20:48:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1733604506; bh=Ui+5hYNv2BAzYXeEy6Nbqwxz7ajppthVoNCTh4ERAKA=; h=From:Date:Subject:References:In-Reply-To:To:Cc:Reply-To:From; b=AtKVTZtk/YeUbAk0b9wTmLhNfq/zbxAmkxq9+RakwUgbaGRhu0n/rYzwjzBg8VfB2 DachadeNVvb6OtLj1VWFxRaQsva5+WNSUu/PTb7v0sHlHy1DwumIGdf6d8cXp6qvBu FjNmm+X7b7wiLcAwOFBiQC+3VkqFHELYgEXV1hXNioLULZnSN6Kpp7o3iP8m48d+YU VOU4eTeUUSCpyaSvkpq0NsUs44gtQpAzeueVqVF0kVvE9f8Dfns2RuZ/pciTkv9HZs DPlg50o7hb3LZjzZ3fNd64YKLshVcdDxQ3/hQ54OmlwoaX5bSQBIEkdPwhRkhG7IOY swm4T4QOnlf1g== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BE43E77180; Sat, 7 Dec 2024 20:48:26 +0000 (UTC) From: =?utf-8?q?Andr=C3=A9_Apitzsch_via_B4_Relay?= Date: Sat, 07 Dec 2024 21:47:55 +0100 Subject: [PATCH v3 06/12] media: i2c: imx214: Check number of lanes from device tree Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241207-imx214-v3-6-ab60af7ee915@apitzsch.eu> References: <20241207-imx214-v3-0-ab60af7ee915@apitzsch.eu> In-Reply-To: <20241207-imx214-v3-0-ab60af7ee915@apitzsch.eu> To: Ricardo Ribalda , Sakari Ailus , Mauro Carvalho Chehab Cc: ~postmarketos/upstreaming@lists.sr.ht, phone-devel@vger.kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Dave Stevenson , Vincent Knecht , =?utf-8?q?Andr=C3=A9_Apitzsch?= X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1733604504; l=2204; i=git@apitzsch.eu; s=20240325; h=from:subject:message-id; bh=weqeUMKe5uTQdP5hFWSGU8a0VftNGSL8fbygsOgcwtY=; b=qNhFiB/DINxdKCO0xPKRF66ZWxbzd3JCRVetLAw37s2c/XeNWeFjHhFt0wLFSzU9PLhBH+F+V u4B+E882FSyDVA+qJO+TpC3jf0pVHHiRrGerMpuhIVpcjSLRHsdgpBX X-Developer-Key: i=git@apitzsch.eu; a=ed25519; pk=wxovcZRfvNYBMcTw4QFFtNEP4qv39gnBfnfyImXZxiU= X-Endpoint-Received: by B4 Relay for git@apitzsch.eu/20240325 with auth_id=142 X-Original-From: =?utf-8?q?Andr=C3=A9_Apitzsch?= Reply-To: git@apitzsch.eu From: André Apitzsch The imx214 camera is capable of either two-lane or four-lane operation. Currently only the four-lane mode is supported, as proper pixel rates and link frequences for the two-lane mode are unknown. Signed-off-by: André Apitzsch --- drivers/media/i2c/imx214.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c index 07926f7257877155548f7bcf0e7ee80037b4ce6c..f1c72db0775eaf4810f762e8798d301c5ad9923c 100644 --- a/drivers/media/i2c/imx214.c +++ b/drivers/media/i2c/imx214.c @@ -199,7 +199,6 @@ struct imx214 { /*From imx214_mode_tbls.h*/ static const struct cci_reg_sequence mode_4096x2304[] = { - { IMX214_REG_CSI_LANE_MODE, IMX214_CSI_4_LANE_MODE }, { IMX214_REG_HDR_MODE, IMX214_HDR_MODE_OFF }, { IMX214_REG_HDR_RES_REDUCTION, IMX214_HDR_RES_REDU_THROUGH }, { IMX214_REG_EXPOSURE_RATIO, 1 }, @@ -272,7 +271,6 @@ static const struct cci_reg_sequence mode_4096x2304[] = { }; static const struct cci_reg_sequence mode_1920x1080[] = { - { IMX214_REG_CSI_LANE_MODE, IMX214_CSI_4_LANE_MODE }, { IMX214_REG_HDR_MODE, IMX214_HDR_MODE_OFF }, { IMX214_REG_HDR_RES_REDUCTION, IMX214_HDR_RES_REDU_THROUGH }, { IMX214_REG_EXPOSURE_RATIO, 1 }, @@ -788,6 +786,13 @@ static int imx214_start_streaming(struct imx214 *imx214) return ret; } + ret = cci_write(imx214->regmap, IMX214_REG_CSI_LANE_MODE, + IMX214_CSI_4_LANE_MODE, NULL); + if (ret) { + dev_err(imx214->dev, "%s failed to configure lanes\n", __func__); + return ret; + } + ret = cci_multi_reg_write(imx214->regmap, imx214->cur_mode->reg_table, imx214->cur_mode->num_of_regs, NULL); if (ret < 0) { @@ -948,6 +953,13 @@ static int imx214_parse_fwnode(struct device *dev) goto done; } + /* Check the number of MIPI CSI2 data lanes */ + if (bus_cfg.bus.mipi_csi2.num_data_lanes != 4) { + ret = dev_err_probe(dev, -EINVAL, + "only 4 data lanes are currently supported\n"); + goto done; + } + for (i = 0; i < bus_cfg.nr_of_link_frequencies; i++) if (bus_cfg.link_frequencies[i] == IMX214_DEFAULT_LINK_FREQ) break;