From nobody Sat Oct 4 04:56:48 2025 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (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 07A1A31A067; Wed, 20 Aug 2025 12:58:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755694716; cv=none; b=PEGbCwiTmWlprys3PdO+axRZQ4wJ/aApLP/YgWkWn+/ycXus0Kullv9bTNIVuG4uv2XqtB6i9o7zB1+GG5EX4Vx3rqBWj4RRqKoLQEUqpFQqoghcWX1X7hbAZy2SopwADy8TSkl+hpQp6lnq8S7oRP/OBXUVsmvTMSZP9dUce3s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755694716; c=relaxed/simple; bh=Anp8AH008k3Ru3O0cw5dfpohDbBBsf0tf1G/dXUsgqY=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=J76Uhqqm3cTbu2wPe1BIQTrjXk4CvnOQcH83VmKQTu2enjKYKqdofO/4XYv302F0/LX9kwYScOoIVvtUn4xc9g2By6sooTHL9bPlWWb7df4IjSgZvFmcO/WHwv+11qefux/7eCewJtIkHeu6xT+EZqk2HjBVEQS3ntg7bwZRtBE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=JlYrIoJK; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="JlYrIoJK" Received: from [192.168.1.106] (mob-5-90-62-213.net.vodafone.it [5.90.62.213]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id D0385606; Wed, 20 Aug 2025 14:57:27 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1755694648; bh=Anp8AH008k3Ru3O0cw5dfpohDbBBsf0tf1G/dXUsgqY=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=JlYrIoJK2mPxj5PBME6QBguNMGCDDjpQIy0CFGZrIyuL+rHuqsJWSeczpG51lpbZV iI1WwSrh/2p52EK+NnjulktMghnPenqxPqJ1W3kVcA+UVmUf+2Kx0Rp3czBPxqFP3K uxE9SOFE2UjsV5f1wRthOFLIWCNUvC80aABpE4R0= From: Jacopo Mondi Date: Wed, 20 Aug 2025 14:58:14 +0200 Subject: [PATCH v4 6/8] media: rkisp1: Use v4l2-params for validation Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250820-extensible-parameters-validation-v4-6-30fe5a99cb1f@ideasonboard.com> References: <20250820-extensible-parameters-validation-v4-0-30fe5a99cb1f@ideasonboard.com> In-Reply-To: <20250820-extensible-parameters-validation-v4-0-30fe5a99cb1f@ideasonboard.com> To: Dafna Hirschfeld , Laurent Pinchart , Keke Li , Mauro Carvalho Chehab , Heiko Stuebner , Dan Scally , Sakari Ailus Cc: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Jacopo Mondi X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=23802; i=jacopo.mondi@ideasonboard.com; h=from:subject:message-id; bh=Anp8AH008k3Ru3O0cw5dfpohDbBBsf0tf1G/dXUsgqY=; b=owEBbQKS/ZANAwAKAXI0Bo8WoVY8AcsmYgBopcZrO2npa+AW7ahDU6roqOwtBTek1gUZgh/vH Y0TX6JVMPuJAjMEAAEKAB0WIQS1xD1IgJogio9YOMByNAaPFqFWPAUCaKXGawAKCRByNAaPFqFW PMwTEACPobnPLFh/25mEP050CfJLwI7WXKnZYag2DM3pcPKs7C52jHttHLsnxzxU0etdbvoIeg/ Yq2ZhymLKdjFYsxmJl/eu4WdR2Eh8Gc9rgP70D80wRG3zGQYCkkowftr0hX+SQxE83nHtT6n1ES uAD0815Pxxq756n/CFcjnua9pyOSnefKVGuXSB91wbXGc9WcqvmrgUeURDRZeOrs+mqnNhzdmAP c6dfr+090rcpd2wV0ZVj6f/2wjJ2X44saykh42ZMOMVLmQW60Wtb+w3xsY3Js5O9RiS5E6/afcl p3tv4HUSaeG2HWxgUNu9CyMGkSa7glt/yPjGXdFwDttuMuv3vrHeOGeV2LbwImAgaLtxRbGdAx6 3N7EGrARIXobomNJ8SJbd1T2Nk82XBrxY5el0ulX2DMqnLutHJ4k0AhgsAegInQTFWpDfZgt+6t FVL6m1xftH5zzqkKnuaqTuCNekEPLl/wG41bP/ahj8RudsuhH+ZvyidSoMHi3HVtU3LcsJrddm3 cK5f9DggKycyK8piAbSKmo8j9G6jXq4tRsr8jqCWh1WXubiGUHuDrtVR6SLV0fNOsHFJgQPZTxY GgSU1+sOoGUhJqQ2u02SkyagwfKZFCu/gXD91ixV/xS2+IutoCZArSOpXFr/Zvtd4ZgFGzbxXan mHopB2cjS42Zm6Q== X-Developer-Key: i=jacopo.mondi@ideasonboard.com; a=openpgp; fpr=72392EDC88144A65C701EA9BA5826A2587AD026B Convert rkisp1-params.c to use the new types for block handlers defined in v4l2-params.h and use the new helpers from v4l2-params.c to remove bolierplate code from the driver. Reviewed-by: Daniel Scally Signed-off-by: Jacopo Mondi --- .../media/platform/rockchip/rkisp1/rkisp1-params.c | 349 +++++++++--------= ---- 1 file changed, 141 insertions(+), 208 deletions(-) diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c b/drive= rs/media/platform/rockchip/rkisp1/rkisp1-params.c index f1585f8fa0f478304f74317fd9dd09199c94ec82..d7bfb1b50ed7e8dec5a20aec6cd= 775b721091abf 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c @@ -12,6 +12,7 @@ #include #include #include +#include #include #include /* for ISP params */ =20 @@ -40,30 +41,6 @@ #define RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS BIT(0) #define RKISP1_EXT_PARAMS_BLOCK_GROUP_LSC BIT(1) =20 -union rkisp1_ext_params_config { - struct rkisp1_ext_params_block_header header; - struct rkisp1_ext_params_bls_config bls; - struct rkisp1_ext_params_dpcc_config dpcc; - struct rkisp1_ext_params_sdg_config sdg; - struct rkisp1_ext_params_lsc_config lsc; - struct rkisp1_ext_params_awb_gain_config awbg; - struct rkisp1_ext_params_flt_config flt; - struct rkisp1_ext_params_bdm_config bdm; - struct rkisp1_ext_params_ctk_config ctk; - struct rkisp1_ext_params_goc_config goc; - struct rkisp1_ext_params_dpf_config dpf; - struct rkisp1_ext_params_dpf_strength_config dpfs; - struct rkisp1_ext_params_cproc_config cproc; - struct rkisp1_ext_params_ie_config ie; - struct rkisp1_ext_params_awb_meas_config awbm; - struct rkisp1_ext_params_hst_config hst; - struct rkisp1_ext_params_aec_config aec; - struct rkisp1_ext_params_afc_config afc; - struct rkisp1_ext_params_compand_bls_config compand_bls; - struct rkisp1_ext_params_compand_curve_config compand_curve; - struct rkisp1_ext_params_wdr_config wdr; -}; - enum rkisp1_params_formats { RKISP1_PARAMS_FIXED, RKISP1_PARAMS_EXTENSIBLE, @@ -1689,11 +1666,12 @@ static void rkisp1_isp_isr_meas_config(struct rkisp= 1_params *params, * Extensible parameters format handling */ =20 -static void -rkisp1_ext_params_bls(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_bls(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_bls_config *bls =3D &block->bls; + const struct rkisp1_ext_params_bls_config *bls =3D + (const struct rkisp1_ext_params_bls_config *)block; + struct rkisp1_params *params =3D dev; =20 if (bls->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_BLS_CTRL, @@ -1709,11 +1687,12 @@ rkisp1_ext_params_bls(struct rkisp1_params *params, RKISP1_CIF_ISP_BLS_ENA); } =20 -static void -rkisp1_ext_params_dpcc(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_dpcc(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_dpcc_config *dpcc =3D &block->dpcc; + const struct rkisp1_ext_params_dpcc_config *dpcc =3D + (const struct rkisp1_ext_params_dpcc_config *)block; + struct rkisp1_params *params =3D dev; =20 if (dpcc->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_DPCC_MODE, @@ -1729,11 +1708,12 @@ rkisp1_ext_params_dpcc(struct rkisp1_params *params, RKISP1_CIF_ISP_DPCC_MODE_DPCC_ENABLE); } =20 -static void -rkisp1_ext_params_sdg(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_sdg(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_sdg_config *sdg =3D &block->sdg; + const struct rkisp1_ext_params_sdg_config *sdg =3D + (const struct rkisp1_ext_params_sdg_config *)block; + struct rkisp1_params *params =3D dev; =20 if (sdg->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_CTRL, @@ -1749,11 +1729,12 @@ rkisp1_ext_params_sdg(struct rkisp1_params *params, RKISP1_CIF_ISP_CTRL_ISP_GAMMA_IN_ENA); } =20 -static void -rkisp1_ext_params_lsc(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_lsc(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_lsc_config *lsc =3D &block->lsc; + const struct rkisp1_ext_params_lsc_config *lsc =3D + (const struct rkisp1_ext_params_lsc_config *)block; + struct rkisp1_params *params =3D dev; =20 if (lsc->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_LSC_CTRL, @@ -1769,11 +1750,12 @@ rkisp1_ext_params_lsc(struct rkisp1_params *params, RKISP1_CIF_ISP_LSC_CTRL_ENA); } =20 -static void -rkisp1_ext_params_awbg(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_awbg(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_awb_gain_config *awbg =3D &block->awbg; + const struct rkisp1_ext_params_awb_gain_config *awbg =3D + (const struct rkisp1_ext_params_awb_gain_config *)block; + struct rkisp1_params *params =3D dev; =20 if (awbg->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_CTRL, @@ -1789,11 +1771,12 @@ rkisp1_ext_params_awbg(struct rkisp1_params *params, RKISP1_CIF_ISP_CTRL_ISP_AWB_ENA); } =20 -static void -rkisp1_ext_params_flt(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_flt(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_flt_config *flt =3D &block->flt; + const struct rkisp1_ext_params_flt_config *flt =3D + (const struct rkisp1_ext_params_flt_config *)block; + struct rkisp1_params *params =3D dev; =20 if (flt->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_FILT_MODE, @@ -1809,11 +1792,12 @@ rkisp1_ext_params_flt(struct rkisp1_params *params, RKISP1_CIF_ISP_FLT_ENA); } =20 -static void -rkisp1_ext_params_bdm(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_bdm(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_bdm_config *bdm =3D &block->bdm; + const struct rkisp1_ext_params_bdm_config *bdm =3D + (const struct rkisp1_ext_params_bdm_config *)block; + struct rkisp1_params *params =3D dev; =20 if (bdm->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_DEMOSAIC, @@ -1829,11 +1813,12 @@ rkisp1_ext_params_bdm(struct rkisp1_params *params, RKISP1_CIF_ISP_DEMOSAIC_BYPASS); } =20 -static void -rkisp1_ext_params_ctk(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_ctk(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_ctk_config *ctk =3D &block->ctk; + const struct rkisp1_ext_params_ctk_config *ctk =3D + (const struct rkisp1_ext_params_ctk_config *)block; + struct rkisp1_params *params =3D dev; =20 if (ctk->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_ctk_enable(params, false); @@ -1847,11 +1832,12 @@ rkisp1_ext_params_ctk(struct rkisp1_params *params, rkisp1_ctk_enable(params, true); } =20 -static void -rkisp1_ext_params_goc(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_goc(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_goc_config *goc =3D &block->goc; + const struct rkisp1_ext_params_goc_config *goc =3D + (const struct rkisp1_ext_params_goc_config *)block; + struct rkisp1_params *params =3D dev; =20 if (goc->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_CTRL, @@ -1869,11 +1855,12 @@ rkisp1_ext_params_goc(struct rkisp1_params *params, RKISP1_CIF_ISP_CTRL_ISP_GAMMA_OUT_ENA); } =20 -static void -rkisp1_ext_params_dpf(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_dpf(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_dpf_config *dpf =3D &block->dpf; + const struct rkisp1_ext_params_dpf_config *dpf =3D + (const struct rkisp1_ext_params_dpf_config *)block; + struct rkisp1_params *params =3D dev; =20 if (dpf->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_DPF_MODE, @@ -1889,20 +1876,22 @@ rkisp1_ext_params_dpf(struct rkisp1_params *params, RKISP1_CIF_ISP_DPF_MODE_EN); } =20 -static void -rkisp1_ext_params_dpfs(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_dpfs(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_dpf_strength_config *dpfs =3D &block->dpfs; + const struct rkisp1_ext_params_dpf_strength_config *dpfs =3D + (const struct rkisp1_ext_params_dpf_strength_config *)block; + struct rkisp1_params *params =3D dev; =20 rkisp1_dpf_strength_config(params, &dpfs->config); } =20 -static void -rkisp1_ext_params_cproc(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_cproc(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_cproc_config *cproc =3D &block->cproc; + const struct rkisp1_ext_params_cproc_config *cproc =3D + (const struct rkisp1_ext_params_cproc_config *)block; + struct rkisp1_params *params =3D dev; =20 if (cproc->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_C_PROC_CTRL, @@ -1918,11 +1907,12 @@ rkisp1_ext_params_cproc(struct rkisp1_params *param= s, RKISP1_CIF_C_PROC_CTR_ENABLE); } =20 -static void -rkisp1_ext_params_ie(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_ie(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_ie_config *ie =3D &block->ie; + const struct rkisp1_ext_params_ie_config *ie =3D + (const struct rkisp1_ext_params_ie_config *)block; + struct rkisp1_params *params =3D dev; =20 if (ie->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_ie_enable(params, false); @@ -1936,11 +1926,12 @@ rkisp1_ext_params_ie(struct rkisp1_params *params, rkisp1_ie_enable(params, true); } =20 -static void -rkisp1_ext_params_awbm(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_awbm(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_awb_meas_config *awbm =3D &block->awbm; + const struct rkisp1_ext_params_awb_meas_config *awbm =3D + (const struct rkisp1_ext_params_awb_meas_config *)block; + struct rkisp1_params *params =3D dev; =20 if (awbm->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { params->ops->awb_meas_enable(params, &awbm->config, @@ -1956,11 +1947,12 @@ rkisp1_ext_params_awbm(struct rkisp1_params *params, true); } =20 -static void -rkisp1_ext_params_hstm(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_hstm(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_hst_config *hst =3D &block->hst; + const struct rkisp1_ext_params_hst_config *hst =3D + (const struct rkisp1_ext_params_hst_config *)block; + struct rkisp1_params *params =3D dev; =20 if (hst->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { params->ops->hst_enable(params, &hst->config, false); @@ -1974,11 +1966,12 @@ rkisp1_ext_params_hstm(struct rkisp1_params *params, params->ops->hst_enable(params, &hst->config, true); } =20 -static void -rkisp1_ext_params_aecm(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_aecm(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_aec_config *aec =3D &block->aec; + const struct rkisp1_ext_params_aec_config *aec =3D + (const struct rkisp1_ext_params_aec_config *)block; + struct rkisp1_params *params =3D dev; =20 if (aec->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_EXP_CTRL, @@ -1994,11 +1987,12 @@ rkisp1_ext_params_aecm(struct rkisp1_params *params, RKISP1_CIF_ISP_EXP_ENA); } =20 -static void -rkisp1_ext_params_afcm(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_afcm(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_afc_config *afc =3D &block->afc; + const struct rkisp1_ext_params_afc_config *afc =3D + (const struct rkisp1_ext_params_afc_config *)block; + struct rkisp1_params *params =3D dev; =20 if (afc->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_AFM_CTRL, @@ -2014,11 +2008,12 @@ rkisp1_ext_params_afcm(struct rkisp1_params *params, RKISP1_CIF_ISP_AFM_ENA); } =20 -static void rkisp1_ext_params_compand_bls(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_compand_bls(void *dev, + const struct v4l2_params_block_header *block) { const struct rkisp1_ext_params_compand_bls_config *bls =3D - &block->compand_bls; + (const struct rkisp1_ext_params_compand_bls_config *)block; + struct rkisp1_params *params =3D dev; =20 if (bls->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_COMPAND_CTRL, @@ -2034,11 +2029,13 @@ static void rkisp1_ext_params_compand_bls(struct rk= isp1_params *params, RKISP1_CIF_ISP_COMPAND_CTRL_BLS_ENABLE); } =20 -static void rkisp1_ext_params_compand_expand(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void +rkisp1_ext_params_compand_expand(void *dev, + const struct v4l2_params_block_header *block) { const struct rkisp1_ext_params_compand_curve_config *curve =3D - &block->compand_curve; + (const struct rkisp1_ext_params_compand_curve_config *)block; + struct rkisp1_params *params =3D dev; =20 if (curve->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_COMPAND_CTRL, @@ -2054,11 +2051,13 @@ static void rkisp1_ext_params_compand_expand(struct= rkisp1_params *params, RKISP1_CIF_ISP_COMPAND_CTRL_EXPAND_ENABLE); } =20 -static void rkisp1_ext_params_compand_compress(struct rkisp1_params *param= s, - const union rkisp1_ext_params_config *block) +static void +rkisp1_ext_params_compand_compress(void *dev, + const struct v4l2_params_block_header *block) { const struct rkisp1_ext_params_compand_curve_config *curve =3D - &block->compand_curve; + (const struct rkisp1_ext_params_compand_curve_config *)block; + struct rkisp1_params *params =3D dev; =20 if (curve->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_COMPAND_CTRL, @@ -2074,10 +2073,12 @@ static void rkisp1_ext_params_compand_compress(stru= ct rkisp1_params *params, RKISP1_CIF_ISP_COMPAND_CTRL_COMPRESS_ENABLE); } =20 -static void rkisp1_ext_params_wdr(struct rkisp1_params *params, - const union rkisp1_ext_params_config *block) +static void rkisp1_ext_params_wdr(void *dev, + const struct v4l2_params_block_header *block) { - const struct rkisp1_ext_params_wdr_config *wdr =3D &block->wdr; + const struct rkisp1_ext_params_wdr_config *wdr =3D + (const struct rkisp1_ext_params_wdr_config *)block; + struct rkisp1_params *params =3D dev; =20 if (wdr->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) { rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_WDR_CTRL, @@ -2093,15 +2094,7 @@ static void rkisp1_ext_params_wdr(struct rkisp1_para= ms *params, RKISP1_CIF_ISP_WDR_CTRL_ENABLE); } =20 -typedef void (*rkisp1_block_handler)(struct rkisp1_params *params, - const union rkisp1_ext_params_config *config); - -static const struct rkisp1_ext_params_handler { - size_t size; - rkisp1_block_handler handler; - unsigned int group; - unsigned int features; -} rkisp1_ext_params_handlers[] =3D { +static const struct v4l2_params_handler rkisp1_ext_params_handlers[] =3D { [RKISP1_EXT_PARAMS_BLOCK_TYPE_BLS] =3D { .size =3D sizeof(struct rkisp1_ext_params_bls_config), .handler =3D rkisp1_ext_params_bls, @@ -2224,18 +2217,18 @@ static void rkisp1_ext_params_config(struct rkisp1_= params *params, =20 /* Walk the list of parameter blocks and process them. */ while (block_offset < cfg->data_size) { - const struct rkisp1_ext_params_handler *block_handler; - const union rkisp1_ext_params_config *block; + const struct v4l2_params_handler *block_handler; + const struct v4l2_params_block_header *block; =20 - block =3D (const union rkisp1_ext_params_config *) + block =3D (const struct v4l2_params_block_header *) &cfg->data[block_offset]; - block_offset +=3D block->header.size; + block_offset +=3D block->size; =20 /* * Make sure the block is supported by the platform and in the * list of groups to configure. */ - block_handler =3D &rkisp1_ext_params_handlers[block->header.type]; + block_handler =3D &rkisp1_ext_params_handlers[block->type]; if (!(block_handler->group & block_group_mask)) continue; =20 @@ -2245,10 +2238,10 @@ static void rkisp1_ext_params_config(struct rkisp1_= params *params, =20 block_handler->handler(params, block); =20 - if (block->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) - params->enabled_blocks &=3D ~BIT(block->header.type); - else if (block->header.flags & RKISP1_EXT_PARAMS_FL_BLOCK_ENABLE) - params->enabled_blocks |=3D BIT(block->header.type); + if (block->flags & RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE) + params->enabled_blocks &=3D ~BIT(block->type); + else if (block->flags & RKISP1_EXT_PARAMS_FL_BLOCK_ENABLE) + params->enabled_blocks |=3D BIT(block->type); } } =20 @@ -2641,36 +2634,36 @@ static void rkisp1_params_vb2_buf_queue(struct vb2_= buffer *vb) spin_unlock_irq(¶ms->config_lock); } =20 +static int +rkisp1_ext_params_validate_buffer(struct device *dev, + const struct v4l2_params_buffer *buffer) +{ + /* Only v1 is supported at the moment. */ + if (buffer->version !=3D RKISP1_EXT_PARAM_BUFFER_V1) { + dev_dbg(dev, "Unsupported extensible format version: %u\n", + buffer->version); + return -EINVAL; + } + + return 0; +} + static int rkisp1_params_prepare_ext_params(struct rkisp1_params *params, struct vb2_buffer *vb) { struct vb2_v4l2_buffer *vbuf =3D to_vb2_v4l2_buffer(vb); struct rkisp1_params_buffer *params_buf =3D to_rkisp1_params_buffer(vbuf); - size_t header_size =3D offsetof(struct rkisp1_ext_params_cfg, data); struct rkisp1_ext_params_cfg *cfg =3D params_buf->cfg; size_t payload_size =3D vb2_get_plane_payload(vb, 0); struct rkisp1_ext_params_cfg *usr_cfg =3D vb2_plane_vaddr(&vbuf->vb2_buf, 0); - size_t block_offset =3D 0; - size_t cfg_size; - - /* - * Validate the buffer payload size before copying the parameters. The - * payload has to be smaller than the destination buffer size and larger - * than the header size. - */ - if (payload_size > params->metafmt->buffersize) { - dev_dbg(params->rkisp1->dev, - "Too large buffer payload size %zu\n", payload_size); - return -EINVAL; - } + int ret; =20 - if (payload_size < header_size) { - dev_dbg(params->rkisp1->dev, - "Buffer payload %zu smaller than header size %zu\n", - payload_size, header_size); - return -EINVAL; - } + ret =3D v4l2_params_buffer_validate(params->rkisp1->dev, vb, + params->metafmt->buffersize, + rkisp1_ext_params_validate_buffer); + if (ret) + return ret; =20 /* * Copy the parameters buffer to the internal scratch buffer to avoid @@ -2678,71 +2671,11 @@ static int rkisp1_params_prepare_ext_params(struct = rkisp1_params *params, */ memcpy(cfg, usr_cfg, payload_size); =20 - /* Only v1 is supported at the moment. */ - if (cfg->version !=3D RKISP1_EXT_PARAM_BUFFER_V1) { - dev_dbg(params->rkisp1->dev, - "Unsupported extensible format version: %u\n", - cfg->version); - return -EINVAL; - } - - /* Validate the size reported in the parameters buffer header. */ - cfg_size =3D header_size + cfg->data_size; - if (cfg_size !=3D payload_size) { - dev_dbg(params->rkisp1->dev, - "Data size %zu different than buffer payload size %zu\n", - cfg_size, payload_size); - return -EINVAL; - } - - /* Walk the list of parameter blocks and validate them. */ - cfg_size =3D cfg->data_size; - while (cfg_size >=3D sizeof(struct rkisp1_ext_params_block_header)) { - const struct rkisp1_ext_params_block_header *block; - const struct rkisp1_ext_params_handler *handler; - - block =3D (const struct rkisp1_ext_params_block_header *) - &cfg->data[block_offset]; - - if (block->type >=3D ARRAY_SIZE(rkisp1_ext_params_handlers)) { - dev_dbg(params->rkisp1->dev, - "Invalid parameters block type\n"); - return -EINVAL; - } - - if (block->size > cfg_size) { - dev_dbg(params->rkisp1->dev, - "Premature end of parameters data\n"); - return -EINVAL; - } - - if ((block->flags & (RKISP1_EXT_PARAMS_FL_BLOCK_ENABLE | - RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE)) =3D=3D - (RKISP1_EXT_PARAMS_FL_BLOCK_ENABLE | - RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE)) { - dev_dbg(params->rkisp1->dev, - "Invalid parameters block flags\n"); - return -EINVAL; - } - - handler =3D &rkisp1_ext_params_handlers[block->type]; - if (block->size !=3D handler->size) { - dev_dbg(params->rkisp1->dev, - "Invalid parameters block size\n"); - return -EINVAL; - } - - block_offset +=3D block->size; - cfg_size -=3D block->size; - } - - if (cfg_size) { - dev_dbg(params->rkisp1->dev, - "Unexpected data after the parameters buffer end\n"); - return -EINVAL; - } - - return 0; + return v4l2_params_blocks_validate(params->rkisp1->dev, + (struct v4l2_params_buffer *)cfg, + rkisp1_ext_params_handlers, + ARRAY_SIZE(rkisp1_ext_params_handlers), + NULL); } =20 static int rkisp1_params_vb2_buf_prepare(struct vb2_buffer *vb) @@ -2842,7 +2775,7 @@ static int rkisp1_params_ctrl_init(struct rkisp1_para= ms *params) v4l2_ctrl_handler_init(¶ms->ctrls, 1); =20 for (unsigned int i =3D 0; i < ARRAY_SIZE(rkisp1_ext_params_handlers); i+= +) { - const struct rkisp1_ext_params_handler *block_handler; + const struct v4l2_params_handler *block_handler; =20 block_handler =3D &rkisp1_ext_params_handlers[i]; ctrl_config.max |=3D BIT(i); --=20 2.50.1