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Signed-off-by: Wenmeng Liu --- drivers/media/platform/qcom/camss/camss-csid.c | 45 +++++++++++++------ drivers/media/platform/qcom/camss/camss-csid.h | 1 + drivers/media/platform/qcom/camss/camss-csiphy.c | 1 + drivers/media/platform/qcom/camss/camss-csiphy.h | 2 + drivers/media/platform/qcom/camss/camss.c | 55 ++++++++++++++++++++= ++++ 5 files changed, 90 insertions(+), 14 deletions(-) diff --git a/drivers/media/platform/qcom/camss/camss-csid.c b/drivers/media= /platform/qcom/camss/camss-csid.c index ed1820488c9878df91c173cd4ff0209dfa1e3a8c..48459b46a981bc7504cdde7d6f3= 9fcc4a1e273de 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.c +++ b/drivers/media/platform/qcom/camss/camss-csid.c @@ -35,6 +35,8 @@ #define HW_VERSION_REVISION 16 #define HW_VERSION_GENERATION 28 =20 +#define LANE_CFG_BITWIDTH 4 + #define MSM_CSID_NAME "msm_csid" =20 const char * const csid_testgen_modes[] =3D { @@ -1215,18 +1217,22 @@ void msm_csid_get_csid_id(struct media_entity *enti= ty, u8 *id) } =20 /* - * csid_get_lane_assign - Calculate CSI2 lane assign configuration paramet= er - * @lane_cfg - CSI2 lane configuration + * csid_get_lane_assign - Calculate lane assign by csiphy/tpg lane num + * @lane_cfg: CSI2 lane configuration + * @num_lanes: lane num * * Return lane assign */ -static u32 csid_get_lane_assign(struct csiphy_lanes_cfg *lane_cfg) +static u32 csid_get_lane_assign(struct csiphy_lanes_cfg *lane_cfg, int num= _lanes) { u32 lane_assign =3D 0; + int pos; int i; =20 - for (i =3D 0; i < lane_cfg->num_data; i++) - lane_assign |=3D lane_cfg->data[i].pos << (i * 4); + for (i =3D 0; i < num_lanes; i++) { + pos =3D lane_cfg ? lane_cfg->data[i].pos : i; + lane_assign |=3D pos << (i * LANE_CFG_BITWIDTH); + } =20 return lane_assign; } @@ -1251,6 +1257,7 @@ static int csid_link_setup(struct media_entity *entit= y, if ((local->flags & MEDIA_PAD_FL_SINK) && (flags & MEDIA_LNK_FL_ENABLED)) { struct v4l2_subdev *sd; + struct tpg_device *tpg; struct csid_device *csid; struct csiphy_device *csiphy; struct csiphy_lanes_cfg *lane_cfg; @@ -1265,18 +1272,28 @@ static int csid_link_setup(struct media_entity *ent= ity, return -EBUSY; =20 sd =3D media_entity_to_v4l2_subdev(remote->entity); - csiphy =3D v4l2_get_subdevdata(sd); + if (sd->grp_id =3D=3D TPG_GRP_ID) { + tpg =3D v4l2_get_subdevdata(sd); =20 - /* If a sensor is not linked to CSIPHY */ - /* do no allow a link from CSIPHY to CSID */ - if (!csiphy->cfg.csi2) - return -EPERM; + csid->phy.lane_cnt =3D tpg->res->lane_cnt; + csid->phy.csiphy_id =3D tpg->id; + csid->phy.lane_assign =3D csid_get_lane_assign(NULL, csid->phy.lane_cnt= ); + csid->tpg_linked =3D true; + } else { + csiphy =3D v4l2_get_subdevdata(sd); =20 - csid->phy.csiphy_id =3D csiphy->id; + /* If a sensor is not linked to CSIPHY */ + /* do no allow a link from CSIPHY to CSID */ + if (!csiphy->cfg.csi2) + return -EPERM; =20 - lane_cfg =3D &csiphy->cfg.csi2->lane_cfg; - csid->phy.lane_cnt =3D lane_cfg->num_data; - csid->phy.lane_assign =3D csid_get_lane_assign(lane_cfg); + csid->phy.csiphy_id =3D csiphy->id; + + lane_cfg =3D &csiphy->cfg.csi2->lane_cfg; + csid->phy.lane_cnt =3D lane_cfg->num_data; + csid->phy.lane_assign =3D csid_get_lane_assign(lane_cfg, lane_cfg->num_= data); + csid->tpg_linked =3D false; + } } /* Decide which virtual channels to enable based on which source pads are= enabled */ if (local->flags & MEDIA_PAD_FL_SOURCE) { diff --git a/drivers/media/platform/qcom/camss/camss-csid.h b/drivers/media= /platform/qcom/camss/camss-csid.h index aedc96ed84b2fcc3f352160dcfd31554a671d0fc..5296b10f6bac839a3faa1039bdb= f0fbbbe9456ac 100644 --- a/drivers/media/platform/qcom/camss/camss-csid.h +++ b/drivers/media/platform/qcom/camss/camss-csid.h @@ -161,6 +161,7 @@ struct csid_device { int num_supplies; struct completion reset_complete; struct csid_testgen_config testgen; + bool tpg_linked; struct csid_phy_config phy; struct v4l2_mbus_framefmt fmt[MSM_CSID_PADS_NUM]; struct v4l2_ctrl_handler ctrls; diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.c b/drivers/med= ia/platform/qcom/camss/camss-csiphy.c index 62623393f414494d7d0095aa0efe5673382ec962..69fba36d10ef5d00d0d8e1ae0f5= b3646c066d81c 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.c +++ b/drivers/media/platform/qcom/camss/camss-csiphy.c @@ -789,6 +789,7 @@ int msm_csiphy_register_entity(struct csiphy_device *cs= iphy, sd->flags |=3D V4L2_SUBDEV_FL_HAS_DEVNODE; snprintf(sd->name, ARRAY_SIZE(sd->name), "%s%d", MSM_CSIPHY_NAME, csiphy->id); + sd->grp_id =3D CSIPHY_GRP_ID; v4l2_set_subdevdata(sd, csiphy); =20 ret =3D csiphy_init_formats(sd, NULL); diff --git a/drivers/media/platform/qcom/camss/camss-csiphy.h b/drivers/med= ia/platform/qcom/camss/camss-csiphy.h index 2d5054819df7f9069611bcdf287846b1d20afc92..9d9657b82f748d02bf6be613948= 0cfbd0c5001c9 100644 --- a/drivers/media/platform/qcom/camss/camss-csiphy.h +++ b/drivers/media/platform/qcom/camss/camss-csiphy.h @@ -21,6 +21,8 @@ #define MSM_CSIPHY_PAD_SRC 1 #define MSM_CSIPHY_PADS_NUM 2 =20 +#define CSIPHY_GRP_ID 1 + struct csiphy_lane { u8 pos; u8 pol; diff --git a/drivers/media/platform/qcom/camss/camss.c b/drivers/media/plat= form/qcom/camss/camss.c index 00b87fd9afbd89871ffaee9cb2b2db6538e1d70d..1de35bcd8e5fc6eaa9dab537960= 520b2c07dd830 100644 --- a/drivers/media/platform/qcom/camss/camss.c +++ b/drivers/media/platform/qcom/camss/camss.c @@ -4501,6 +4501,19 @@ static int camss_init_subdevices(struct camss *camss) } } =20 + if (camss->tpg) { + for (i =3D 0; i < camss->res->tpg_num; i++) { + ret =3D msm_tpg_subdev_init(camss, &camss->tpg[i], + &res->tpg_res[i], i); + if (ret < 0) { + dev_err(camss->dev, + "Failed to init tpg%d sub-device: %d\n", + i, ret); + return ret; + } + } + } + /* note: SM8250 requires VFE to be initialized before CSID */ for (i =3D 0; i < camss->res->vfe_num; i++) { ret =3D msm_vfe_subdev_init(camss, &camss->vfe[i], @@ -4589,6 +4602,23 @@ static int camss_link_entities(struct camss *camss) } } =20 + for (i =3D 0; i < camss->res->tpg_num; i++) { + for (j =3D 0; j < camss->res->csid_num; j++) { + ret =3D media_create_pad_link(&camss->tpg[i].subdev.entity, + MSM_TPG_PAD_SRC, + &camss->csid[j].subdev.entity, + MSM_CSID_PAD_SINK, + 0); + if (ret < 0) { + camss_link_err(camss, + camss->tpg[i].subdev.entity.name, + camss->csid[j].subdev.entity.name, + ret); + return ret; + } + } + } + if (camss->ispif) { for (i =3D 0; i < camss->res->csid_num; i++) { for (j =3D 0; j < camss->ispif->line_num; j++) { @@ -4693,6 +4723,19 @@ static int camss_register_entities(struct camss *cam= ss) } } =20 + if (camss->tpg) { + for (i =3D 0; i < camss->res->tpg_num; i++) { + ret =3D msm_tpg_register_entity(&camss->tpg[i], + &camss->v4l2_dev); + if (ret < 0) { + dev_err(camss->dev, + "Failed to register tpg%d entity: %d\n", + i, ret); + goto err_reg_tpg; + } + } + } + for (i =3D 0; i < camss->res->csid_num; i++) { ret =3D msm_csid_register_entity(&camss->csid[i], &camss->v4l2_dev); @@ -4736,6 +4779,13 @@ static int camss_register_entities(struct camss *cam= ss) for (i--; i >=3D 0; i--) msm_csid_unregister_entity(&camss->csid[i]); =20 + i =3D camss->res->tpg_num; +err_reg_tpg: + if (camss->tpg) { + for (i--; i >=3D 0; i--) + msm_tpg_unregister_entity(&camss->tpg[i]); + } + i =3D camss->res->csiphy_num; err_reg_csiphy: for (i--; i >=3D 0; i--) @@ -4757,6 +4807,11 @@ static void camss_unregister_entities(struct camss *= camss) for (i =3D 0; i < camss->res->csiphy_num; i++) msm_csiphy_unregister_entity(&camss->csiphy[i]); =20 + if (camss->tpg) { + for (i =3D 0; i < camss->res->tpg_num; i++) + msm_tpg_unregister_entity(&camss->tpg[i]); + } + for (i =3D 0; i < camss->res->csid_num; i++) msm_csid_unregister_entity(&camss->csid[i]); =20 --=20 2.34.1