From: Atanas Filipov <quic_afilipov@xxxxxxxxxxx> Split link and register operations. Add dedicated link callback according to SoC identifier. Signed-off-by: Atanas Filipov <quic_afilipov@xxxxxxxxxxx> Signed-off-by: Radoslav Tsvetkov <quic_rtsvetko@xxxxxxxxxxx> --- drivers/media/platform/qcom/camss/camss.c | 141 ++++++++++++---------- drivers/media/platform/qcom/camss/camss.h | 1 + 2 files changed, 81 insertions(+), 61 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/platform/qcom/camss/camss.c index c2d21bfc52f5..fd5a42355d80 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -1795,72 +1795,30 @@ static int camss_init_subdevices(struct camss *camss) } /* - * camss_register_entities - Register subdev nodes and create links + * camss_link_entities - Register subdev nodes and create links * @camss: CAMSS device * * Return 0 on success or a negative error code on failure */ -static int camss_register_entities(struct camss *camss) +static int camss_link_entities(struct camss *camss) { int i, j, k; int ret; - for (i = 0; i < camss->res->csiphy_num; i++) { - ret = msm_csiphy_register_entity(&camss->csiphy[i], - &camss->v4l2_dev); - if (ret < 0) { - dev_err(camss->dev, - "Failed to register csiphy%d entity: %d\n", - i, ret); - goto err_reg_csiphy; - } - } - - for (i = 0; i < camss->res->csid_num; i++) { - ret = msm_csid_register_entity(&camss->csid[i], - &camss->v4l2_dev); - if (ret < 0) { - dev_err(camss->dev, - "Failed to register csid%d entity: %d\n", - i, ret); - goto err_reg_csid; - } - } - - ret = msm_ispif_register_entities(camss->ispif, - &camss->v4l2_dev); - if (ret < 0) { - dev_err(camss->dev, "Failed to register ispif entities: %d\n", - ret); - goto err_reg_ispif; - } - - for (i = 0; i < camss->res->vfe_num; i++) { - ret = msm_vfe_register_entities(&camss->vfe[i], - &camss->v4l2_dev); - if (ret < 0) { - dev_err(camss->dev, - "Failed to register vfe%d entities: %d\n", - i, ret); - goto err_reg_vfe; - } - } - for (i = 0; i < camss->res->csiphy_num; i++) { for (j = 0; j < camss->res->csid_num; j++) { - ret = media_create_pad_link( - &camss->csiphy[i].subdev.entity, - MSM_CSIPHY_PAD_SRC, - &camss->csid[j].subdev.entity, - MSM_CSID_PAD_SINK, - 0); + ret = media_create_pad_link(&camss->csiphy[i].subdev.entity, + MSM_CSIPHY_PAD_SRC, + &camss->csid[j].subdev.entity, + MSM_CSID_PAD_SINK, + 0); if (ret < 0) { dev_err(camss->dev, "Failed to link %s->%s entities: %d\n", camss->csiphy[i].subdev.entity.name, camss->csid[j].subdev.entity.name, ret); - goto err_link; + return ret; } } } @@ -1868,19 +1826,18 @@ static int camss_register_entities(struct camss *camss) if (camss->ispif) { for (i = 0; i < camss->res->csid_num; i++) { for (j = 0; j < camss->ispif->line_num; j++) { - ret = media_create_pad_link( - &camss->csid[i].subdev.entity, - MSM_CSID_PAD_SRC, - &camss->ispif->line[j].subdev.entity, - MSM_ISPIF_PAD_SINK, - 0); + ret = media_create_pad_link(&camss->csid[i].subdev.entity, + MSM_CSID_PAD_SRC, + &camss->ispif->line[j].subdev.entity, + MSM_ISPIF_PAD_SINK, + 0); if (ret < 0) { dev_err(camss->dev, "Failed to link %s->%s entities: %d\n", camss->csid[i].subdev.entity.name, camss->ispif->line[j].subdev.entity.name, ret); - goto err_link; + return ret; } } } @@ -1902,7 +1859,7 @@ static int camss_register_entities(struct camss *camss) ispif->entity.name, vfe->entity.name, ret); - goto err_link; + return ret; } } } else { @@ -1923,15 +1880,67 @@ static int camss_register_entities(struct camss *camss) csid->entity.name, vfe->entity.name, ret); - goto err_link; + return ret; } } } + return 0; +} + +/* + * camss_register_entities - Register subdev nodes and create links + * @camss: CAMSS device + * + * Return 0 on success or a negative error code on failure + */ +static int camss_register_entities(struct camss *camss) +{ + int i; + int ret; + + for (i = 0; i < camss->res->csiphy_num; i++) { + ret = msm_csiphy_register_entity(&camss->csiphy[i], + &camss->v4l2_dev); + if (ret < 0) { + dev_err(camss->dev, + "Failed to register csiphy%d entity: %d\n", + i, ret); + goto err_reg_csiphy; + } + } + + for (i = 0; i < camss->res->csid_num; i++) { + ret = msm_csid_register_entity(&camss->csid[i], + &camss->v4l2_dev); + if (ret < 0) { + dev_err(camss->dev, + "Failed to register csid%d entity: %d\n", + i, ret); + goto err_reg_csid; + } + } + + ret = msm_ispif_register_entities(camss->ispif, + &camss->v4l2_dev); + if (ret < 0) { + dev_err(camss->dev, "Failed to register ispif entities: %d\n", ret); + goto err_reg_ispif; + } + + for (i = 0; i < camss->res->vfe_num; i++) { + ret = msm_vfe_register_entities(&camss->vfe[i], + &camss->v4l2_dev); + if (ret < 0) { + dev_err(camss->dev, + "Failed to register vfe%d entities: %d\n", + i, ret); + goto err_reg_vfe; + } + } + return 0; -err_link: - i = camss->res->vfe_num; err_reg_vfe: for (i--; i >= 0; i--) msm_vfe_unregister_entities(&camss->vfe[i]); @@ -2251,6 +2260,10 @@ static int camss_probe(struct platform_device *pdev) if (ret < 0) goto err_v4l2_device_unregister; + ret = camss->res->link_entities(camss); + if (ret < 0) + goto err_register_subdevs; + if (num_subdevs) { camss->notifier.ops = &camss_subdev_notifier_ops; @@ -2330,6 +2343,7 @@ static const struct camss_resources msm8916_resources = { .csiphy_num = ARRAY_SIZE(csiphy_res_8x16), .csid_num = ARRAY_SIZE(csid_res_8x16), .vfe_num = ARRAY_SIZE(vfe_res_8x16), + .link_entities = camss_link_entities }; static const struct camss_resources msm8996_resources = { @@ -2341,6 +2355,7 @@ static const struct camss_resources msm8996_resources = { .csiphy_num = ARRAY_SIZE(csiphy_res_8x96), .csid_num = ARRAY_SIZE(csid_res_8x96), .vfe_num = ARRAY_SIZE(vfe_res_8x96), + .link_entities = camss_link_entities }; static const struct camss_resources sdm660_resources = { @@ -2352,6 +2367,7 @@ static const struct camss_resources sdm660_resources = { .csiphy_num = ARRAY_SIZE(csiphy_res_660), .csid_num = ARRAY_SIZE(csid_res_660), .vfe_num = ARRAY_SIZE(vfe_res_660), + .link_entities = camss_link_entities }; static const struct camss_resources sdm845_resources = { @@ -2362,6 +2378,7 @@ static const struct camss_resources sdm845_resources = { .csiphy_num = ARRAY_SIZE(csiphy_res_845), .csid_num = ARRAY_SIZE(csid_res_845), .vfe_num = ARRAY_SIZE(vfe_res_845), + .link_entities = camss_link_entities }; static const struct camss_resources sm8250_resources = { @@ -2375,6 +2392,7 @@ static const struct camss_resources sm8250_resources = { .csiphy_num = ARRAY_SIZE(csiphy_res_8250), .csid_num = ARRAY_SIZE(csid_res_8250), .vfe_num = ARRAY_SIZE(vfe_res_8250), + .link_entities = camss_link_entities }; static const struct camss_resources sc8280xp_resources = { @@ -2389,6 +2407,7 @@ static const struct camss_resources sc8280xp_resources = { .csiphy_num = ARRAY_SIZE(csiphy_res_sc8280xp), .csid_num = ARRAY_SIZE(csid_res_sc8280xp), .vfe_num = ARRAY_SIZE(vfe_res_sc8280xp), + .link_entities = camss_link_entities }; static const struct of_device_id camss_dt_match[] = { diff --git a/drivers/media/platform/qcom/camss/camss.h b/drivers/media/platform/qcom/camss/camss.h index 4b13012940bf..a5be9e872992 100644 --- a/drivers/media/platform/qcom/camss/camss.h +++ b/drivers/media/platform/qcom/camss/camss.h @@ -106,6 +106,7 @@ struct camss_resources { const unsigned int csiphy_num; const unsigned int csid_num; const unsigned int vfe_num; + int (*link_entities)(struct camss *camss); }; struct camss { -- 2.17.1