On Wed, Jul 03, 2024 at 06:10:45PM +0200, Jacopo Mondi wrote: > Implement support in rkisp1-params for the extensible configuration > parameters format. > > Create a list of handlers for each ISP block that wraps the existing > configuration functions and handles the ISP block enablement. > > Parse the configuration parameters buffer in rkisp1_ext_params_config > and filter the enable blocks by group, to allow setting the 'other' > groups separately from the 'lsc' group to support the pre/post-configure > operations. > > Implement parameter buffer validation for the extensible format at > .buf_prepare() time. > > Signed-off-by: Jacopo Mondi <jacopo.mondi@xxxxxxxxxxxxxxxx> > --- > .../platform/rockchip/rkisp1/rkisp1-common.h | 3 + > .../platform/rockchip/rkisp1/rkisp1-params.c | 602 +++++++++++++++++- > 2 files changed, 591 insertions(+), 14 deletions(-) > > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > index 43cc727a628d..2f4bf7e97927 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h > @@ -396,6 +396,7 @@ struct rkisp1_params_ops { > * @quantization: the quantization configured on the isp's src pad > * @ycbcr_encoding the YCbCr encoding > * @raw_type: the bayer pattern on the isp video sink pad > + * @enabled_blocks: bitmask of enabled ISP blocks > */ > struct rkisp1_params { > struct rkisp1_vdev_node vnode; > @@ -410,6 +411,8 @@ struct rkisp1_params { > enum v4l2_quantization quantization; > enum v4l2_ycbcr_encoding ycbcr_encoding; > enum rkisp1_fmt_raw_pat_type raw_type; > + > + u32 enabled_blocks; > }; > > /* > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c > index 45c4b1bcee63..3ef410337aa2 100644 > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c > @@ -35,6 +35,30 @@ > #define RKISP1_ISP_CC_COEFF(n) \ > (RKISP1_CIF_ISP_CC_COEFF_0 + (n) * 4) > > +#define RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS BIT(0) > +#define RKISP1_EXT_PARAMS_BLOCK_GROUP_LSC BIT(1) > + > +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; > +}; > + > enum rkisp1_params_formats { > RKISP1_PARAMS_FIXED, > RKISP1_PARAMS_EXTENSIBLE, > @@ -1519,6 +1543,451 @@ static void rkisp1_isp_isr_meas_config(struct rkisp1_params *params, > } > } > > +/*------------------------------------------------------------------------------ > + * Extensible parameters format handling > + */ > + > +static void > +rkisp1_ext_params_bls(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_bls_config *bls = &block->bls; > + > + if (bls->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_BLS_CTRL, > + RKISP1_CIF_ISP_BLS_ENA); > + return; > + } > + > + rkisp1_bls_config(params, &bls->config); > + > + if (!(params->enabled_blocks & BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_BLS))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_BLS_CTRL, > + RKISP1_CIF_ISP_BLS_ENA); > +} > + > +static void > +rkisp1_ext_params_dpcc(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_dpcc_config *dpcc = &block->dpcc; > + > + if (dpcc->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_DPCC_MODE, > + RKISP1_CIF_ISP_DPCC_MODE_DPCC_ENABLE); > + return; > + } > + > + rkisp1_dpcc_config(params, &dpcc->config); > + > + if (!(params->enabled_blocks & > + BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_DPCC))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_DPCC_MODE, > + RKISP1_CIF_ISP_DPCC_MODE_DPCC_ENABLE); > +} > + > +static void > +rkisp1_ext_params_sdg(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_sdg_config *sdg = &block->sdg; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_CTRL, > + RKISP1_CIF_ISP_CTRL_ISP_GAMMA_IN_ENA); > + return; > + } > + > + rkisp1_sdg_config(params, &sdg->config); > + > + if (!(params->enabled_blocks & BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_SDG))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_CTRL, > + RKISP1_CIF_ISP_CTRL_ISP_GAMMA_IN_ENA); > +} > + > +static void > +rkisp1_ext_params_lsc(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_lsc_config *lsc = &block->lsc; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_LSC_CTRL, > + RKISP1_CIF_ISP_LSC_CTRL_ENA); > + return; > + } > + > + rkisp1_lsc_config(params, &lsc->config); > + > + if (!(params->enabled_blocks & BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_LSC))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_LSC_CTRL, > + RKISP1_CIF_ISP_LSC_CTRL_ENA); > +} > + > +static void > +rkisp1_ext_params_awbg(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_awb_gain_config *awbg = &block->awbg; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_CTRL, > + RKISP1_CIF_ISP_CTRL_ISP_AWB_ENA); > + return; > + } > + > + params->ops->awb_gain_config(params, &awbg->config); > + > + if (!(params->enabled_blocks & > + BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_AWB_GAIN))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_CTRL, > + RKISP1_CIF_ISP_CTRL_ISP_AWB_ENA); > +} > + > +static void > +rkisp1_ext_params_flt(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_flt_config *flt = &block->flt; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_FILT_MODE, > + RKISP1_CIF_ISP_FLT_ENA); > + return; > + } > + > + rkisp1_flt_config(params, &flt->config); > + > + if (!(params->enabled_blocks & BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_FLT))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_FILT_MODE, > + RKISP1_CIF_ISP_FLT_ENA); > +} > + > +static void > +rkisp1_ext_params_bdm(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_bdm_config *bdm = &block->bdm; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_DEMOSAIC, > + RKISP1_CIF_ISP_DEMOSAIC_BYPASS); > + return; > + } > + > + rkisp1_bdm_config(params, &bdm->config); > + > + if (!(params->enabled_blocks & BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_BDM))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_DEMOSAIC, > + RKISP1_CIF_ISP_DEMOSAIC_BYPASS); > +} > + > +static void > +rkisp1_ext_params_ctk(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_ctk_config *ctk = &block->ctk; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_ctk_enable(params, false); > + return; > + } > + > + rkisp1_ctk_config(params, &ctk->config); > + > + if (!(params->enabled_blocks & BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_CTK))) > + rkisp1_ctk_enable(params, true); > +} > + > +static void > +rkisp1_ext_params_goc(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_goc_config *goc = &block->goc; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_CTRL, > + RKISP1_CIF_ISP_CTRL_ISP_GAMMA_OUT_ENA); > + return; > + } > + > + params->ops->goc_config(params, &goc->config); > + > + if (!(params->enabled_blocks & BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_GOC))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_CTRL, > + RKISP1_CIF_ISP_CTRL_ISP_GAMMA_OUT_ENA); > +} > + > +static void > +rkisp1_ext_params_dpf(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_dpf_config *dpf = &block->dpf; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_DPF_MODE, > + RKISP1_CIF_ISP_DPF_MODE_EN); > + return; > + } > + > + rkisp1_dpf_config(params, &dpf->config); > + > + if (!(params->enabled_blocks & BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_DPF))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_DPF_MODE, > + RKISP1_CIF_ISP_DPF_MODE_EN); > +} > + > +static void > +rkisp1_ext_params_dpfs(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_dpf_strength_config *dpfs = &block->dpfs; > + > + rkisp1_dpf_strength_config(params, &dpfs->config); > +} > + > +static void > +rkisp1_ext_params_cproc(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_cproc_config *cproc = &block->cproc; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_C_PROC_CTRL, > + RKISP1_CIF_C_PROC_CTR_ENABLE); > + return; > + } > + > + rkisp1_cproc_config(params, &cproc->config); > + > + if (!(params->enabled_blocks & > + BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_CPROC))) > + rkisp1_param_set_bits(params, RKISP1_CIF_C_PROC_CTRL, > + RKISP1_CIF_C_PROC_CTR_ENABLE); > +} > + > +static void > +rkisp1_ext_params_ie(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_ie_config *ie = &block->ie; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_ie_enable(params, false); > + return; > + } > + > + rkisp1_ie_config(params, &ie->config); > + > + if (!(params->enabled_blocks & BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_IE))) > + rkisp1_ie_enable(params, true); > +} > + > +static void > +rkisp1_ext_params_awbm(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_awb_meas_config *awbm = &block->awbm; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + params->ops->awb_meas_enable(params, &awbm->config, > + false); > + return; > + } > + > + params->ops->awb_meas_config(params, &awbm->config); > + > + if (!(params->enabled_blocks & > + BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_AWB_MEAS))) > + params->ops->awb_meas_enable(params, &awbm->config, > + true); > +} > + > +static void > +rkisp1_ext_params_hstm(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_hst_config *hst = &block->hst; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + params->ops->hst_enable(params, &hst->config, false); > + return; > + } > + > + params->ops->hst_config(params, &hst->config); > + > + if (!(params->enabled_blocks & > + BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_HST_MEAS))) > + params->ops->hst_enable(params, &hst->config, true); > +} > + > +static void > +rkisp1_ext_params_aecm(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_aec_config *aec = &block->aec; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_EXP_CTRL, > + RKISP1_CIF_ISP_EXP_ENA); > + return; > + } > + > + params->ops->aec_config(params, &aec->config); > + > + if (!(params->enabled_blocks & > + BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_AEC_MEAS))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_EXP_CTRL, > + RKISP1_CIF_ISP_EXP_ENA); > +} > + > +static void > +rkisp1_ext_params_afcm(struct rkisp1_params *params, > + const union rkisp1_ext_params_config *block) > +{ > + const struct rkisp1_ext_params_afc_config *afc = &block->afc; > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) { > + rkisp1_param_clear_bits(params, RKISP1_CIF_ISP_AFM_CTRL, > + RKISP1_CIF_ISP_AFM_ENA); > + return; > + } > + > + params->ops->afm_config(params, &afc->config); > + > + if (!(params->enabled_blocks & > + BIT(RKISP1_EXT_PARAMS_BLOCK_TYPE_AFC_MEAS))) > + rkisp1_param_set_bits(params, RKISP1_CIF_ISP_AFM_CTRL, > + RKISP1_CIF_ISP_AFM_ENA); > +} > + > +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; > +} rkisp1_ext_params_handlers[] = { > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_BLS] = { > + .size = sizeof(struct rkisp1_ext_params_bls_config), > + .handler = rkisp1_ext_params_bls, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_DPCC] = { > + .size = sizeof(struct rkisp1_ext_params_dpcc_config), > + .handler = rkisp1_ext_params_dpcc, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_SDG] = { > + .size = sizeof(struct rkisp1_ext_params_sdg_config), > + .handler = rkisp1_ext_params_sdg, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_AWB_GAIN] = { > + .size = sizeof(struct rkisp1_ext_params_awb_gain_config), > + .handler = rkisp1_ext_params_awbg, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_FLT] = { > + .size = sizeof(struct rkisp1_ext_params_flt_config), > + .handler = rkisp1_ext_params_flt, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_BDM] = { > + .size = sizeof(struct rkisp1_ext_params_bdm_config), > + .handler = rkisp1_ext_params_bdm, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_CTK] = { > + .size = sizeof(struct rkisp1_ext_params_ctk_config), > + .handler = rkisp1_ext_params_ctk, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_GOC] = { > + .size = sizeof(struct rkisp1_ext_params_goc_config), > + .handler = rkisp1_ext_params_goc, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_DPF] = { > + .size = sizeof(struct rkisp1_ext_params_dpf_config), > + .handler = rkisp1_ext_params_dpf, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_DPF_STRENGTH] = { > + .size = sizeof(struct rkisp1_ext_params_dpf_strength_config), > + .handler = rkisp1_ext_params_dpfs, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_CPROC] = { > + .size = sizeof(struct rkisp1_ext_params_cproc_config), > + .handler = rkisp1_ext_params_cproc, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_IE] = { > + .size = sizeof(struct rkisp1_ext_params_ie_config), > + .handler = rkisp1_ext_params_ie, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_LSC] = { > + .size = sizeof(struct rkisp1_ext_params_lsc_config), > + .handler = rkisp1_ext_params_lsc, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_LSC, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_AWB_MEAS] = { > + .size = sizeof(struct rkisp1_ext_params_awb_meas_config), > + .handler = rkisp1_ext_params_awbm, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_HST_MEAS] = { > + .size = sizeof(struct rkisp1_ext_params_hst_config), > + .handler = rkisp1_ext_params_hstm, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_AEC_MEAS] = { > + .size = sizeof(struct rkisp1_ext_params_aec_config), > + .handler = rkisp1_ext_params_aecm, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > + [RKISP1_EXT_PARAMS_BLOCK_TYPE_AFC_MEAS] = { > + .size = sizeof(struct rkisp1_ext_params_afc_config), > + .handler = rkisp1_ext_params_afcm, > + .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, > + }, > +}; > + > +static void rkisp1_ext_params_config(struct rkisp1_params *params, > + struct rkisp1_ext_params_cfg *cfg, > + u32 block_group_mask) > +{ > + size_t block_offset = 0; > + > + if (WARN_ON(!cfg)) > + return; > + > + /* 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; > + > + block = (const union rkisp1_ext_params_config *) > + &cfg->data[block_offset]; > + block_offset += block->header.size; > + > + /* Make sure the block is in the list of groups to configure. */ > + block_handler = &rkisp1_ext_params_handlers[block->header.type]; > + if (!(block_handler->group & block_group_mask)) > + continue; > + > + block_handler->handler(params, block); > + > + if (block->header.enable == RKISP1_EXT_PARAMS_BLOCK_DISABLE) > + params->enabled_blocks &= ~BIT(block->header.type); > + else > + params->enabled_blocks |= BIT(block->header.type); > + } > +} > + > static void rkisp1_params_complete_buffer(struct rkisp1_params *params, > struct rkisp1_params_buffer *buf, > unsigned int frame_sequence) > @@ -1541,9 +2010,15 @@ void rkisp1_params_isr(struct rkisp1_device *rkisp1) > if (!cur_buf) > goto unlock; > > - rkisp1_isp_isr_other_config(params, cur_buf->cfg); > - rkisp1_isp_isr_lsc_config(params, cur_buf->cfg); > - rkisp1_isp_isr_meas_config(params, cur_buf->cfg); > + if (params->metafmt->dataformat == V4L2_META_FMT_RK_ISP1_PARAMS) { > + rkisp1_isp_isr_other_config(params, cur_buf->cfg); > + rkisp1_isp_isr_lsc_config(params, cur_buf->cfg); > + rkisp1_isp_isr_meas_config(params, cur_buf->cfg); > + } else { > + rkisp1_ext_params_config(params, cur_buf->cfg, > + RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS | > + RKISP1_EXT_PARAMS_BLOCK_GROUP_LSC); > + } > > /* update shadow register immediately */ > rkisp1_param_set_bits(params, RKISP1_CIF_ISP_CTRL, > @@ -1643,8 +2118,13 @@ void rkisp1_params_pre_configure(struct rkisp1_params *params, > if (!cur_buf) > goto unlock; > > - rkisp1_isp_isr_other_config(params, cur_buf->cfg); > - rkisp1_isp_isr_meas_config(params, cur_buf->cfg); > + if (params->metafmt->dataformat == V4L2_META_FMT_RK_ISP1_PARAMS) { > + rkisp1_isp_isr_other_config(params, cur_buf->cfg); > + rkisp1_isp_isr_meas_config(params, cur_buf->cfg); > + } else { > + rkisp1_ext_params_config(params, cur_buf->cfg, > + RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS); > + } > > /* update shadow register immediately */ > rkisp1_param_set_bits(params, RKISP1_CIF_ISP_CTRL, > @@ -1673,7 +2153,11 @@ void rkisp1_params_post_configure(struct rkisp1_params *params) > if (!cur_buf) > goto unlock; > > - rkisp1_isp_isr_lsc_config(params, cur_buf->cfg); > + if (params->metafmt->dataformat == V4L2_META_FMT_RK_ISP1_PARAMS) > + rkisp1_isp_isr_lsc_config(params, cur_buf->cfg); > + else > + rkisp1_ext_params_config(params, cur_buf->cfg, > + RKISP1_EXT_PARAMS_BLOCK_GROUP_LSC); > > /* update shadow register immediately */ > rkisp1_param_set_bits(params, RKISP1_CIF_ISP_CTRL, > @@ -1862,25 +2346,114 @@ static void rkisp1_params_vb2_buf_queue(struct vb2_buffer *vb) > spin_unlock_irq(¶ms->config_lock); > } > > -static int rkisp1_params_vb2_buf_prepare(struct vb2_buffer *vb) > +static int rkisp1_params_prepare_ext_params(struct rkisp1_params *params, > + struct vb2_buffer *vb) > { > struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > struct rkisp1_params_buffer *params_buf = to_rkisp1_params_buffer(vbuf); > - struct rkisp1_params_cfg *cfg = > - vb2_plane_vaddr(¶ms_buf->vb.vb2_buf, 0); > + size_t header_size = offsetof(struct rkisp1_ext_params_cfg, data); > + struct rkisp1_ext_params_cfg *cfg = params_buf->cfg; > + size_t payload_size = vb2_get_plane_payload(vb, 0); > + struct rkisp1_ext_params_cfg *usr_cfg = > + vb2_plane_vaddr(&vbuf->vb2_buf, 0); > + size_t block_offset = 0; > + size_t cfg_size; > > - if (vb2_get_plane_payload(vb, 0) != sizeof(*cfg)) > + /* > + * 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 %lu\n", payload_size); > return -EINVAL; > + } > + > + if (payload_size < header_size) { > + dev_dbg(params->rkisp1->dev, > + "Buffer payload %lu smaller than header size %lu\n", > + payload_size, header_size); > + return -EINVAL; > + } > > /* > - * Copy the parameters buffer to the internal scratch buffer to avoid > - * userspace modifying the buffer content while the driver processes it. > + * Copy the parameters buffer to the internal scratch buffer to > + * avoid userspace modifying the buffer content while the driver > + * processes it. > */ > - memcpy(params_buf->cfg, cfg, sizeof(*cfg)); > + memcpy(cfg, usr_cfg, payload_size); > + > + /* Validate the size reported in the parameters buffer header. */ > + cfg_size = header_size + cfg->data_size; > + if (cfg_size != payload_size) { > + dev_dbg(params->rkisp1->dev, > + "Data size %lu larger than buffer payload size %lu\n", s/larger/different/ > + cfg_size, payload_size); > + return -EINVAL; > + } > + > + /* Walk the list of parameter blocks and validate them. */ > + cfg_size = cfg->data_size; > + while (cfg_size >= sizeof(struct rkisp1_ext_params_block_header)) { > + const struct rkisp1_ext_params_block_header *block; > + const struct rkisp1_ext_params_handler *handler; > + > + block = (const struct rkisp1_ext_params_block_header *) > + &cfg->data[block_offset]; > + > + if (block->type >= 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; > + } > + > + handler = &rkisp1_ext_params_handlers[block->type]; > + if (block->size != handler->size) { > + dev_dbg(params->rkisp1->dev, > + "Invalid parameters block size\n"); > + return -EINVAL; > + } > + > + block_offset += block->size; > + cfg_size -= block->size; > + } > > return 0; > } > > +static int rkisp1_params_vb2_buf_prepare(struct vb2_buffer *vb) > +{ > + struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); > + struct rkisp1_params_buffer *params_buf = to_rkisp1_params_buffer(vbuf); > + struct rkisp1_ext_params_cfg *cfg = vb2_plane_vaddr(&vbuf->vb2_buf, 0); > + struct rkisp1_params *params = vb->vb2_queue->drv_priv; > + size_t payload = vb2_get_plane_payload(vb, 0); > + > + /* Only validate the plane payload size for fixed parameters format. */ > + if (params->metafmt->dataformat == V4L2_META_FMT_RK_ISP1_PARAMS) { > + if (payload != sizeof(struct rkisp1_params_cfg)) sizeof(*cfg) Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> I can fix those when applying, no need for a v6. > + return -EINVAL; > + > + /* > + * Copy the parameters buffer to the internal scratch buffer to > + * avoid userspace modifying the buffer content while the driver > + * processes it. > + */ > + memcpy(params_buf->cfg, cfg, payload); > + > + return 0; > + } > + > + return rkisp1_params_prepare_ext_params(params, vb); > +} > + > static void rkisp1_params_vb2_stop_streaming(struct vb2_queue *vq) > { > struct rkisp1_params *params = vq->drv_priv; > @@ -1898,6 +2471,8 @@ static void rkisp1_params_vb2_stop_streaming(struct vb2_queue *vq) > > list_for_each_entry(buf, &tmp_list, queue) > vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR); > + > + params->enabled_blocks = 0; > } > > static const struct vb2_ops rkisp1_params_vb2_ops = { > @@ -1909,7 +2484,6 @@ static const struct vb2_ops rkisp1_params_vb2_ops = { > .buf_queue = rkisp1_params_vb2_buf_queue, > .buf_prepare = rkisp1_params_vb2_buf_prepare, > .stop_streaming = rkisp1_params_vb2_stop_streaming, > - > }; > > static const struct v4l2_file_operations rkisp1_params_fops = { -- Regards, Laurent Pinchart