diff options
Diffstat (limited to 'drivers/media/platform/rockchip/rkisp1/rkisp1-params.c')
| -rw-r--r-- | drivers/media/platform/rockchip/rkisp1/rkisp1-params.c | 151 |
1 files changed, 44 insertions, 107 deletions
diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c index f1585f8fa0f4..c9f88635224c 100644 --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-params.c @@ -6,12 +6,14 @@ */ #include <linux/bitfield.h> +#include <linux/build_bug.h> #include <linux/math.h> #include <linux/string.h> #include <media/v4l2-common.h> #include <media/v4l2-event.h> #include <media/v4l2-ioctl.h> +#include <media/v4l2-isp.h> #include <media/videobuf2-core.h> #include <media/videobuf2-vmalloc.h> /* for ISP params */ @@ -2097,122 +2099,133 @@ 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[] = { [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, .features = RKISP1_FEATURE_BLS, }, [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, }, [RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_BLS] = { - .size = sizeof(struct rkisp1_ext_params_compand_bls_config), .handler = rkisp1_ext_params_compand_bls, .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, .features = RKISP1_FEATURE_COMPAND, }, [RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_EXPAND] = { - .size = sizeof(struct rkisp1_ext_params_compand_curve_config), .handler = rkisp1_ext_params_compand_expand, .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, .features = RKISP1_FEATURE_COMPAND, }, [RKISP1_EXT_PARAMS_BLOCK_TYPE_COMPAND_COMPRESS] = { - .size = sizeof(struct rkisp1_ext_params_compand_curve_config), .handler = rkisp1_ext_params_compand_compress, .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, .features = RKISP1_FEATURE_COMPAND, }, [RKISP1_EXT_PARAMS_BLOCK_TYPE_WDR] = { - .size = sizeof(struct rkisp1_ext_params_wdr_config), .handler = rkisp1_ext_params_wdr, .group = RKISP1_EXT_PARAMS_BLOCK_GROUP_OTHERS, }, }; +#define RKISP1_PARAMS_BLOCK_INFO(block, data) \ + [RKISP1_EXT_PARAMS_BLOCK_TYPE_ ## block] = { \ + .size = sizeof(struct rkisp1_ext_params_ ## data ## _config), \ + } + +static const struct v4l2_isp_params_block_type_info +rkisp1_ext_params_block_types_info[] = { + RKISP1_PARAMS_BLOCK_INFO(BLS, bls), + RKISP1_PARAMS_BLOCK_INFO(DPCC, dpcc), + RKISP1_PARAMS_BLOCK_INFO(SDG, sdg), + RKISP1_PARAMS_BLOCK_INFO(AWB_GAIN, awb_gain), + RKISP1_PARAMS_BLOCK_INFO(FLT, flt), + RKISP1_PARAMS_BLOCK_INFO(BDM, bdm), + RKISP1_PARAMS_BLOCK_INFO(CTK, ctk), + RKISP1_PARAMS_BLOCK_INFO(GOC, goc), + RKISP1_PARAMS_BLOCK_INFO(DPF, dpf), + RKISP1_PARAMS_BLOCK_INFO(DPF_STRENGTH, dpf_strength), + RKISP1_PARAMS_BLOCK_INFO(CPROC, cproc), + RKISP1_PARAMS_BLOCK_INFO(IE, ie), + RKISP1_PARAMS_BLOCK_INFO(LSC, lsc), + RKISP1_PARAMS_BLOCK_INFO(AWB_MEAS, awb_meas), + RKISP1_PARAMS_BLOCK_INFO(HST_MEAS, hst), + RKISP1_PARAMS_BLOCK_INFO(AEC_MEAS, aec), + RKISP1_PARAMS_BLOCK_INFO(AFC_MEAS, afc), + RKISP1_PARAMS_BLOCK_INFO(COMPAND_BLS, compand_bls), + RKISP1_PARAMS_BLOCK_INFO(COMPAND_EXPAND, compand_curve), + RKISP1_PARAMS_BLOCK_INFO(COMPAND_COMPRESS, compand_curve), + RKISP1_PARAMS_BLOCK_INFO(WDR, wdr), +}; + +static_assert(ARRAY_SIZE(rkisp1_ext_params_handlers) == + ARRAY_SIZE(rkisp1_ext_params_block_types_info)); + static void rkisp1_ext_params_config(struct rkisp1_params *params, struct rkisp1_ext_params_cfg *cfg, u32 block_group_mask) @@ -2646,31 +2659,16 @@ static int rkisp1_params_prepare_ext_params(struct rkisp1_params *params, { struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); struct rkisp1_params_buffer *params_buf = to_rkisp1_params_buffer(vbuf); - 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; - - /* - * 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; - 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 = v4l2_isp_params_validate_buffer_size(params->rkisp1->dev, vb, + params->metafmt->buffersize); + if (ret) + return ret; /* * Copy the parameters buffer to the internal scratch buffer to avoid @@ -2678,71 +2676,10 @@ static int rkisp1_params_prepare_ext_params(struct rkisp1_params *params, */ memcpy(cfg, usr_cfg, payload_size); - /* Only v1 is supported at the moment. */ - if (cfg->version != 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 = header_size + cfg->data_size; - if (cfg_size != 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 = 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; - } - - if ((block->flags & (RKISP1_EXT_PARAMS_FL_BLOCK_ENABLE | - RKISP1_EXT_PARAMS_FL_BLOCK_DISABLE)) == - (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 = &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; - } - - if (cfg_size) { - dev_dbg(params->rkisp1->dev, - "Unexpected data after the parameters buffer end\n"); - return -EINVAL; - } - - return 0; + return v4l2_isp_params_validate_buffer(params->rkisp1->dev, vb, + (struct v4l2_isp_params_buffer *)cfg, + rkisp1_ext_params_block_types_info, + ARRAY_SIZE(rkisp1_ext_params_block_types_info)); } static int rkisp1_params_vb2_buf_prepare(struct vb2_buffer *vb) |