msm: camera: tfe: Add support for auto SHDR

This change add support for activate and deactivate ISP device in the
link when dual trigger mode in the link is set.

CRs-Fixed: 3374385
Change-Id: Ib6d25ab295d613fa5cd3edf1780362476920d74d
Signed-off-by: Ayush Kumar <quic_ayushkr@quicinc.com>

drivers/cam_isp/cam_isp_context.c

@@ -5129,6 +5129,16 @@ static int __cam_isp_ctx_apply_req_in_activated_state(
 		ctx_isp->substate_activated = next_state;
 		ctx_isp->last_applied_req_id = apply->request_id;
 		ctx_isp->last_applied_jiffies = jiffies;
+
+		if (ctx_isp->is_tfe_shdr) {
+			if (ctx_isp->is_shdr_master && req_isp->hw_update_data.mup_en)
+				apply->dual_trigger_status = req_isp->hw_update_data.num_exp;
+			else
+				apply->dual_trigger_status = CAM_REQ_DUAL_TRIGGER_NONE;
+		} else {
+			apply->dual_trigger_status = CAM_REQ_DUAL_TRIGGER_NONE;
+		}
+
 		list_del_init(&req->list);
 		if (atomic_read(&ctx_isp->internal_recovery_set))
 			__cam_isp_ctx_enqueue_request_in_order(ctx, req, false);
@@ -6996,6 +7006,9 @@ static int __cam_isp_ctx_config_dev_in_top_state(
 			add_req.link_hdl = ctx->link_hdl;
 			add_req.dev_hdl  = ctx->dev_hdl;
 			add_req.req_id   = req->request_id;
+
+			if (ctx_isp->is_shdr_master && req_isp->hw_update_data.mup_en)
+				add_req.num_exp = req_isp->hw_update_data.num_exp;
 			rc = ctx->ctx_crm_intf->add_req(&add_req);
 			if (rc) {
 				if (rc == -EBADR)
@@ -7618,6 +7631,8 @@ static int __cam_isp_ctx_acquire_hw_v2(struct cam_context *ctx,
 		(param.op_flags & CAM_IFE_CTX_AEB_EN);
 	ctx_isp->mode_switch_en =
 		(param.op_flags & CAM_IFE_CTX_DYNAMIC_SWITCH_EN);
+	ctx_isp->is_tfe_shdr = (param.op_flags & CAM_IFE_CTX_SHDR_EN);
+	ctx_isp->is_shdr_master = (param.op_flags & CAM_IFE_CTX_SHDR_IS_MASTER);
 
 	/* Query the context bus comp group information */
 	ctx_isp->vfe_bus_comp_grp = kcalloc(CAM_IFE_BUS_COMP_NUM_MAX,
@@ -7955,6 +7970,8 @@ static int __cam_isp_ctx_get_dev_info_in_acquired(struct cam_context *ctx,
 	struct cam_req_mgr_device_info *dev_info)
 {
 	int rc = 0;
+	struct cam_isp_context *ctx_isp =
+		(struct cam_isp_context *) ctx->ctx_priv;
 
 	dev_info->dev_hdl = ctx->dev_hdl;
 	strlcpy(dev_info->name, CAM_ISP_DEV_NAME, sizeof(dev_info->name));
@@ -7963,6 +7980,8 @@ static int __cam_isp_ctx_get_dev_info_in_acquired(struct cam_context *ctx,
 	dev_info->m_delay = CAM_MODESWITCH_DELAY_1;
 	dev_info->trigger = CAM_TRIGGER_POINT_SOF;
 	dev_info->trigger_on = true;
+	dev_info->is_shdr = ctx_isp->is_tfe_shdr;
+	dev_info->is_shdr_master = ctx_isp->is_shdr_master;
 
 	return rc;
 }

drivers/cam_isp/cam_isp_context.h

@@ -416,6 +416,8 @@ struct cam_isp_fcg_prediction_tracker {
  * @hw_idx:                    Hardware ID
  * @fcg_tracker:               FCG prediction tracker containing number of previously skipped
  *                             frames and indicates which prediction should be used
+ * @is_shdr:                   true, if usecase is sdhr
+ * @is_shdr_master:            Flag to indicate master context in shdr usecase
  *
  */
 struct cam_isp_context {
@@ -480,6 +482,8 @@ struct cam_isp_context {
 	bool                                  mode_switch_en;
 	uint32_t                              hw_idx;
 	struct cam_isp_fcg_prediction_tracker fcg_tracker;
+	bool                                  is_tfe_shdr;
+	bool                                  is_shdr_master;
 };
 
 /**

drivers/cam_isp/isp_hw_mgr/cam_tfe_hw_mgr.c

@@ -1395,7 +1395,7 @@ static int cam_tfe_hw_mgr_acquire_res_tfe_csid_pxl(
 		goto acquire_successful;
 
 	/* Acquire Left if not already acquired */
-	if (in_port->usage_type) {
+	if (in_port->usage_type || in_port->is_shdr_master) {
 		for (i = 0; i < CAM_TFE_CSID_HW_NUM_MAX; i++) {
 			if (!tfe_hw_mgr->csid_devices[i])
 				continue;
@@ -1650,7 +1650,7 @@ static int cam_tfe_hw_mgr_acquire_res_tfe_csid_rdi(
 		}
 
 		/* Acquire if not already acquired */
-		if (tfe_ctx->is_dual) {
+		if (tfe_ctx->is_dual || in_port->is_shdr_master) {
 			for (i = 0; i < CAM_TFE_CSID_HW_NUM_MAX; i++) {
 				if (!tfe_hw_mgr->csid_devices[i])
 					continue;
@@ -2134,6 +2134,13 @@ static int cam_tfe_mgr_acquire_get_unified_structure_v2(
 					CAM_ISP_TFE_FLAG_BAYER_BIN;
 	in_port->qcfa_bin        =  in->feature_flag &
 					CAM_ISP_TFE_FLAG_QCFA_BIN;
+	in_port->shdr_en         =  in->feature_flag &
+					CAM_ISP_TFE_FLAG_SHDR_MASTER_EN;
+	in_port->shdr_en        |=  in->feature_flag &
+					CAM_ISP_TFE_FLAG_SHDR_SLAVE_EN;
+	in_port->is_shdr_master  =  in->feature_flag &
+					CAM_ISP_TFE_FLAG_SHDR_MASTER_EN;
+
 
 	if (in_port->bayer_bin && in_port->qcfa_bin) {
 		CAM_ERR(CAM_ISP,
@@ -2274,6 +2281,8 @@ static int cam_tfe_mgr_acquire_hw(void *hw_mgr_priv, void *acquire_hw_args)
 	struct cam_isp_tfe_acquire_hw_info *acquire_hw_info = NULL;
 	uint32_t                            input_size = 0;
 	bool                                lcr_enable = false;
+	bool                                is_shdr_en = false;
+	bool                                is_shdr_master = false;
 
 	CAM_DBG(CAM_ISP, "Enter...");
 
@@ -2359,9 +2368,17 @@ static int cam_tfe_mgr_acquire_hw(void *hw_mgr_priv, void *acquire_hw_args)
 
 	/* Check any inport has dual tfe usage  */
 	tfe_ctx->is_dual = false;
-	for (i = 0; i < acquire_hw_info->num_inputs; i++)
+	for (i = 0; i < acquire_hw_info->num_inputs; i++) {
 		if (in_port[i].usage_type)
 			tfe_ctx->is_dual = true;
+		if (in_port[i].shdr_en)
+			is_shdr_en = true;
+		if (in_port[i].is_shdr_master)
+			is_shdr_master = true;
+	}
+
+	if (is_shdr_en && !is_shdr_master)
+		tfe_ctx->is_shdr_slave = true;
 
 	for (i = 0; i < acquire_hw_info->num_inputs; i++) {
 		cam_tfe_hw_mgr_preprocess_port(tfe_ctx, &in_port[i], &num_pix_port_per_in,
@@ -2427,6 +2444,12 @@ static int cam_tfe_mgr_acquire_hw(void *hw_mgr_priv, void *acquire_hw_args)
 		acquire_args->op_flags |=
 			 CAM_IFE_CTX_CONSUME_ADDR_EN;
 
+	if (is_shdr_en) {
+		acquire_args->op_flags |= CAM_IFE_CTX_SHDR_EN;
+		if (is_shdr_master)
+			acquire_args->op_flags |= CAM_IFE_CTX_SHDR_IS_MASTER;
+	}
+
 	cam_tfe_hw_mgr_put_ctx(&tfe_hw_mgr->used_ctx_list, &tfe_ctx);
 
 	CAM_DBG(CAM_ISP, "Exit...(success)");
@@ -5115,6 +5138,9 @@ static int cam_tfe_mgr_prepare_hw_update(void *hw_mgr_priv,
 		mup_config.num_expoures = prepare_hw_data->num_exp;
 		mup_config.mup_en = prepare_hw_data->mup_en;
 
+		if (ctx->is_shdr_slave)
+			continue;
+
 		/*Add reg update */
 		rc = cam_isp_add_reg_update(prepare, &ctx->res_list_tfe_in,
 			ctx->base[i].idx, &prepare_hw_data->kmd_cmd_buff_info, false, &mup_config);

drivers/cam_isp/isp_hw_mgr/cam_tfe_hw_mgr.h

@@ -129,6 +129,7 @@ struct cam_tfe_cdm_user_data {
  * @try_recovery_cnt          Retry count for overflow recovery
  * @current_mup               Current MUP val
  * @recovery_req_id           The request id on which overflow recovery happens
+ * @is_shdr_slave              indicate whether context is slave in shdr usecase
  */
 struct cam_tfe_hw_mgr_ctx {
 	struct list_head                list;

drivers/cam_isp/isp_hw_mgr/include/cam_isp_hw_mgr_intf.h

@@ -49,6 +49,8 @@
 #define CAM_IFE_CTX_SFE_EN             BIT(4)
 #define CAM_IFE_CTX_AEB_EN             BIT(5)
 #define CAM_IFE_CTX_DYNAMIC_SWITCH_EN  BIT(6)
+#define CAM_IFE_CTX_SHDR_EN            BIT(7)
+#define CAM_IFE_CTX_SHDR_IS_MASTER     BIT(8)
 
 /*
  * Maximum configuration entry size  - This is based on the

drivers/cam_isp/isp_hw_mgr/isp_hw/include/cam_tfe_csid_hw_intf.h

@@ -91,6 +91,8 @@ struct cam_isp_tfe_in_port_generic_info {
 	uint32_t                        ipp_count;
 	uint32_t                        rdi_count;
 	uint32_t                        secure_mode;
+	bool                            shdr_en;
+	bool                            is_shdr_master;
 	struct cam_isp_tfe_out_port_generic_info    *data;
 };
 

drivers/cam_isp/isp_hw_mgr/isp_hw/tfe_hw/cam_tfe_core.c

@@ -93,6 +93,8 @@ struct cam_tfe_camif_data {
 	uint32_t                           qcfa_bin;
 	uint32_t                           bayer_bin;
 	uint32_t                           core_cfg;
+	bool                               shdr_en;
+	bool                               is_shdr_master;
 };
 
 struct cam_tfe_rdi_data {
@@ -109,6 +111,8 @@ struct cam_tfe_rdi_data {
 	uint32_t                                     left_last_pixel;
 	uint32_t                                     first_line;
 	uint32_t                                     last_line;
+	bool                                         shdr_en;
+	bool                                         is_shdr_master;
 };
 
 struct cam_tfe_ppp_data {
@@ -2206,6 +2210,8 @@ int cam_tfe_top_reserve(void *device_priv,
 					acquire_args->in_port->bayer_bin;
 				camif_data->core_cfg =
 					acquire_args->in_port->core_cfg;
+				camif_data->shdr_en = acquire_args->in_port->shdr_en;
+				camif_data->is_shdr_master = acquire_args->in_port->is_shdr_master;
 
 				CAM_DBG(CAM_ISP,
 					"TFE:%d pix_pattern:%d dsp_mode=%d",
@@ -2247,6 +2253,8 @@ int cam_tfe_top_reserve(void *device_priv,
 					acquire_args->in_port->line_start;
 				rdi_data->last_line =
 					acquire_args->in_port->line_end;
+				rdi_data->shdr_en = acquire_args->in_port->shdr_en;
+				rdi_data->is_shdr_master = acquire_args->in_port->is_shdr_master;
 			}
 
 			top_priv->in_rsrc[i].cdm_ops = acquire_args->cdm_ops;
@@ -2367,6 +2375,13 @@ static int cam_tfe_camif_resource_start(
 			(1 << rsrc_data->reg_data->ds4_c_srl_en_shift);
 	}
 
+	if (rsrc_data->shdr_en) {
+		val |= rsrc_data->core_cfg &
+			(1 << rsrc_data->reg_data->shdr_mode_shift);
+		if (!rsrc_data->is_shdr_master)
+			val |= rsrc_data->core_cfg &
+				(1 << rsrc_data->reg_data->extern_mup_shift);
+	}
 
 	cam_io_w_mb(val, rsrc_data->mem_base +
 		rsrc_data->common_reg->core_cfg_0);

drivers/cam_isp/isp_hw_mgr/isp_hw/tfe_hw/cam_tfe_core.h

@@ -202,6 +202,9 @@ struct cam_tfe_camif_reg_data {
 	uint32_t     ai_c_srl_en_shift;
 	uint32_t     ds16_c_srl_en_shift;
 	uint32_t     ds4_c_srl_en_shift;
+
+	uint32_t     shdr_mode_shift;
+	uint32_t     extern_mup_shift;
 };
 
 struct cam_tfe_camif_hw_info {

drivers/cam_req_mgr/cam_req_mgr_core.c

@@ -93,6 +93,8 @@ void cam_req_mgr_core_link_reset(struct cam_req_mgr_core_link *link)
 	link->is_sending_req = false;
 	atomic_set(&link->eof_event_cnt, 0);
 	link->cont_empty_slots = 0;
+	link->is_shdr = false;
+	link->wait_for_dual_trigger = false;
 	__cam_req_mgr_reset_apply_data(link);
 	__cam_req_mgr_reset_state_monitor_array(link);
 
@@ -1182,6 +1184,31 @@ static int __cam_req_mgr_move_to_next_req_slot(
 	return rc;
 }
 
+static void cam_req_mgr_reconfigure_link(struct cam_req_mgr_core_link *link,
+	struct cam_req_mgr_connected_device *device, bool is_active)
+{
+	int i = 0;
+	struct cam_req_mgr_connected_device *dev = NULL;
+	struct cam_req_mgr_req_tbl          *tbl = NULL;
+
+	for (i = 0; i < link->num_devs; i++) {
+		dev = &link->l_dev[i];
+
+		if (dev->dev_info.trigger_on && !dev->dev_info.is_shdr_master) {
+			dev->is_active = is_active;
+			tbl = dev->pd_tbl;
+
+			if (is_active) {
+				tbl->dev_mask |= (1 << dev->dev_bit);
+			} else {
+				tbl->dev_mask &= ~(1 << dev->dev_bit);
+				dev->dev_info.mode_switch_req = 0;
+			}
+		}
+
+	}
+}
+
 /**
  * __cam_req_mgr_send_req()
  *
@@ -1206,6 +1233,7 @@ static int __cam_req_mgr_send_req(struct cam_req_mgr_core_link *link,
 	struct cam_req_mgr_tbl_slot          *slot = NULL;
 	struct cam_req_mgr_apply             *apply_data = NULL;
 	struct cam_req_mgr_state_monitor     state;
+	bool                                 prev_dual_trigger_status = false;
 
 	apply_req.link_hdl = link->link_hdl;
 	apply_req.report_if_bubble = 0;
@@ -1252,6 +1280,12 @@ static int __cam_req_mgr_send_req(struct cam_req_mgr_core_link *link,
 			continue;
 		}
 
+		if (!dev->is_active) {
+			CAM_DBG(CAM_CRM, "Device %x linked with link %x is not active",
+			dev->dev_hdl, link->link_hdl);
+			continue;
+		}
+
 		for (j = 0; j < slot->ops.num_dev; j++) {
 			if (dev->dev_hdl == slot->ops.dev_hdl[j]) {
 				found = true;
@@ -1345,7 +1379,7 @@ static int __cam_req_mgr_send_req(struct cam_req_mgr_core_link *link,
 	/* For regular send requests */
 	for (i = 0; i < link->num_devs; i++) {
 		dev = &link->l_dev[i];
-		if (dev) {
+		if (dev && dev->is_active) {
 			pd = dev->dev_info.p_delay;
 			if (pd >= CAM_PIPELINE_DELAY_MAX) {
 				CAM_WARN(CAM_CRM, "pd %d greater than max",
@@ -1356,6 +1390,11 @@ static int __cam_req_mgr_send_req(struct cam_req_mgr_core_link *link,
 			if (!(dev->dev_info.trigger & trigger))
 				continue;
 
+			if (dev->dev_info.trigger_on && !dev->dev_info.is_shdr_master &&
+				dev->dev_info.mode_switch_req == apply_data[pd].req_id &&
+				link->wait_for_dual_trigger)
+				continue;
+
 			if (apply_data[pd].skip_idx ||
 				(apply_data[pd].req_id < 0)) {
 				CAM_DBG(CAM_CRM,
@@ -1421,6 +1460,7 @@ static int __cam_req_mgr_send_req(struct cam_req_mgr_core_link *link,
 				continue;
 
 			apply_req.trigger_point = trigger;
+			apply_req.dual_trigger_status = CAM_REQ_DUAL_TRIGGER_NONE;
 			CAM_DBG(CAM_REQ,
 				"SEND: link_hdl %x dev %s pd %d req_id %lld",
 				link->link_hdl, dev->dev_info.name,
@@ -1440,6 +1480,19 @@ static int __cam_req_mgr_send_req(struct cam_req_mgr_core_link *link,
 			state.frame_id = -1;
 			__cam_req_mgr_update_state_monitor_array(link, &state);
 
+			if (link->is_shdr && dev->dev_info.is_shdr_master) {
+				prev_dual_trigger_status = link->wait_for_dual_trigger;
+				if (apply_req.dual_trigger_status ==
+					CAM_REQ_DUAL_TRIGGER_TWO_EXPOSURE)
+					link->wait_for_dual_trigger = true;
+				else if (apply_req.dual_trigger_status ==
+					CAM_REQ_DUAL_TRIGGER_ONE_EXPOSURE)
+					link->wait_for_dual_trigger = false;
+				if (prev_dual_trigger_status != link->wait_for_dual_trigger)
+					cam_req_mgr_reconfigure_link(
+						link, dev, link->wait_for_dual_trigger);
+			}
+
 			if (pd == link->min_delay)
 				req_applied_to_min_pd = apply_req.request_id;
 
@@ -3307,6 +3360,38 @@ end:
 	return rc;
 }
 
+static void cam_req_mgr_handle_exposure_change(
+	struct cam_req_mgr_core_link        *link,
+	struct cam_req_mgr_add_request      *add_req)
+{
+	int i = 0;
+	struct cam_req_mgr_connected_device *device = NULL;
+
+	if (add_req->num_exp == CAM_REQ_DUAL_TRIGGER_TWO_EXPOSURE &&
+		!link->wait_for_dual_trigger) {
+		for (i = 0; i < link->num_devs; i++) {
+			device = &link->l_dev[i];
+
+			if (!device->dev_info.trigger_on || device->dev_info.is_shdr_master)
+				continue;
+
+			device->is_active = true;
+			device->dev_info.mode_switch_req = 0;
+		}
+	} else if (add_req->num_exp == CAM_REQ_DUAL_TRIGGER_ONE_EXPOSURE &&
+		link->wait_for_dual_trigger) {
+
+		for (i = 0; i < link->num_devs; i++) {
+			device = &link->l_dev[i];
+
+			if (!device->dev_info.trigger_on || device->dev_info.is_shdr_master)
+				continue;
+
+			device->dev_info.mode_switch_req = add_req->req_id;
+		}
+	}
+}
+
 /**
  * cam_req_mgr_process_add_req()
  *
@@ -3498,8 +3583,30 @@ int cam_req_mgr_process_add_req(void *priv, void *data)
 		state.frame_id = -1;
 		__cam_req_mgr_update_state_monitor_array(link, &state);
 	}
-	mutex_unlock(&link->req.lock);
 
+	if (!link->is_shdr && !device->dev_info.trigger_on) {
+		mutex_unlock(&link->req.lock);
+		return rc;
+	}
+
+	if (!device->is_active && !device->dev_info.is_shdr_master &&
+		!link->wait_for_dual_trigger) {
+		device->is_active = true;
+		if (slot->req_ready_map == tbl->dev_mask) {
+			CAM_DBG(CAM_REQ,
+				"link 0x%x idx %d req_id %lld pd %d SLOT READY",
+				link->link_hdl, idx, add_req->req_id, tbl->pd);
+			slot->state = CRM_REQ_STATE_READY;
+		}
+
+		mutex_unlock(&link->req.lock);
+		goto end;
+	}
+
+	if (device->dev_info.is_shdr_master)
+		cam_req_mgr_handle_exposure_change(link, add_req);
+
+	mutex_unlock(&link->req.lock);
 end:
 	return rc;
 }
@@ -4206,8 +4313,6 @@ end:
 	return rc;
 }
 
-
-
 /**
  * cam_req_mgr_cb_notify_trigger()
  *
@@ -4290,7 +4395,7 @@ static int cam_req_mgr_cb_notify_trigger(
 		(trigger == CAM_TRIGGER_POINT_SOF))
 		link->watchdog->pause_timer = false;
 
-	if (link->dual_trigger) {
+	if (link->dual_trigger && link->wait_for_dual_trigger) {
 		if ((trigger_id >= 0) && (trigger_id <
 			CAM_REQ_MGR_MAX_TRIGGERS)) {
 			link->trigger_cnt[trigger_id][trigger]++;
@@ -4364,11 +4469,13 @@ static int __cam_req_mgr_setup_link_info(struct cam_req_mgr_core_link *link,
 {
 	int                                     rc = 0, i = 0, num_devices = 0;
 	struct cam_req_mgr_core_dev_link_setup  link_data;
-	struct cam_req_mgr_connected_device    *dev;
+	struct cam_req_mgr_connected_device    *dev, *master_dev = NULL, *tmp_dev;
 	struct cam_req_mgr_req_tbl             *pd_tbl;
 	enum cam_pipeline_delay                 max_delay;
 	enum cam_modeswitch_delay               max_modeswitch;
 	uint32_t num_trigger_devices = 0;
+	int32_t master_dev_idx = -1;
+
 	if (link_info->version == VERSION_1) {
 		if (link_info->u.link_info_v1.num_devices >
 			CAM_REQ_MGR_MAX_HANDLES)
@@ -4419,6 +4526,11 @@ static int __cam_req_mgr_setup_link_info(struct cam_req_mgr_core_link *link,
 		dev->dev_info.dev_hdl = dev->dev_hdl;
 		rc = dev->ops->get_dev_info(&dev->dev_info);
 
+		if (dev->dev_info.is_shdr_master) {
+			master_dev = dev;
+			master_dev_idx = i;
+		}
+
 		trace_cam_req_mgr_connect_device(link, &dev->dev_info);
 		if (link_info->version == VERSION_1)
 			CAM_DBG(CAM_CRM,
@@ -4467,8 +4579,13 @@ static int __cam_req_mgr_setup_link_info(struct cam_req_mgr_core_link *link,
 				max_modeswitch = dev->dev_info.m_delay;
 		}
 
-		if (dev->dev_info.trigger_on)
+		if (dev->dev_info.trigger_on) {
 			num_trigger_devices++;
+			if (dev->dev_info.is_shdr)
+				link->is_shdr = true;
+		}
+
+		dev->is_active = true;
 	}
 
 	if (num_trigger_devices > CAM_REQ_MGR_MAX_TRIGGERS) {
@@ -4484,8 +4601,26 @@ static int __cam_req_mgr_setup_link_info(struct cam_req_mgr_core_link *link,
 	link_data.crm_cb = &cam_req_mgr_ops;
 	link_data.max_delay = max_delay;
 	link_data.mode_switch_max_delay = max_modeswitch;
-	if (num_trigger_devices == CAM_REQ_MGR_MAX_TRIGGERS)
+	if (num_trigger_devices == CAM_REQ_MGR_MAX_TRIGGERS) {
 		link->dual_trigger = true;
+		link->wait_for_dual_trigger = true;
+	}
+
+	if (link->dual_trigger && master_dev) {
+		for (i = 0; i < num_devices; i++) {
+			dev = &link->l_dev[i];
+
+			if (dev->dev_info.trigger_on) {
+				if (dev->dev_hdl == master_dev->dev_hdl)
+					continue;
+				if (master_dev_idx < i) {
+					tmp_dev = master_dev;
+					master_dev = dev;
+					dev = tmp_dev;
+				}
+			}
+		}
+	}
 
 	num_trigger_devices = 0;
 	for (i = 0; i < num_devices; i++) {

drivers/cam_req_mgr/cam_req_mgr_core.h

@@ -1,8 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
  */
+
 #ifndef _CAM_REQ_MGR_CORE_H_
 #define _CAM_REQ_MGR_CORE_H_
 
@@ -398,13 +399,14 @@ struct cam_req_mgr_req_data {
 /**
  * struct cam_req_mgr_connected_device
  * - Device Properties
- * @dev_hdl  : device handle
+ * @dev_hdl   : device handle
- * @dev_bit  : unique bit assigned to device in link
+ * @dev_bit   : unique bit assigned to device in link
  * - Device characteristics
- * @pd_tbl   : tracks latest available req id at this device
+ * @pd_tbl    : tracks latest available req id at this device
- * @dev_info : holds dev characteristics such as pipeline delay, dev name
+ * @dev_info  : holds dev characteristics such as pipeline delay, dev name
- * @ops      : holds func pointer to call methods on this device
+ * @ops       : holds func pointer to call methods on this device
- * @parent   : pvt data - like link which this dev hdl belongs to
+ * @parent    : pvt data - like link which this dev hdl belongs to
+ * @is_active : indicate whether device is active in auto shdr usecase
  */
 struct cam_req_mgr_connected_device {
 	int32_t                         dev_hdl;
@@ -413,6 +415,7 @@ struct cam_req_mgr_connected_device {
 	struct cam_req_mgr_device_info  dev_info;
 	struct cam_req_mgr_kmd_ops     *ops;
 	void                           *parent;
+	bool                            is_active;
 };
 
 /**
@@ -473,6 +476,8 @@ struct cam_req_mgr_connected_device {
  * @try_for_internal_recovery : If the link stalls try for RT internal recovery
  * @properties_mask      : Indicates if current link enables some special properties
  * @cont_empty_slots     : Continuous empty slots
+ * @is_shdr              : flag to indicate auto shdr usecase without SFE
+ * @wait_for_dual_trigger: Flag to indicate whether to wait for second epoch in dual trigger
  */
 struct cam_req_mgr_core_link {
 	int32_t                              link_hdl;
@@ -517,6 +522,8 @@ struct cam_req_mgr_core_link {
 	bool                                 is_sending_req;
 	uint32_t                             properties_mask;
 	uint32_t                             cont_empty_slots;
+	bool                                 is_shdr;
+	bool                                 wait_for_dual_trigger;
 };
 
 /**

drivers/cam_req_mgr/cam_req_mgr_interface.h

@@ -1,7 +1,7 @@
 /* SPDX-License-Identifier: GPL-2.0-only */
 /*
  * Copyright (c) 2016-2021, The Linux Foundation. All rights reserved.
- * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #ifndef _CAM_REQ_MGR_INTERFACE_H
@@ -141,6 +141,14 @@ enum cam_modeswitch_delay {
 #define CAM_TRIGGER_POINT_EOF     (1 << 1)
 #define CAM_TRIGGER_MAX_POINTS    2
 
+
+enum cam_req_mgr_dual_trigger {
+	CAM_REQ_DUAL_TRIGGER_NONE,
+	CAM_REQ_DUAL_TRIGGER_ONE_EXPOSURE,
+	CAM_REQ_DUAL_TRIGGER_TWO_EXPOSURE,
+	CAM_REQ_DUAL_TRIGGER_MAX,
+};
+
 /**
  * enum cam_req_status
  * @brief   : enumerator for request status
@@ -304,6 +312,7 @@ struct cam_req_mgr_error_notify {
  *                         by not sending request to devices. ex: IFE and Flash
  * @trigger_eof          : to identify that one of the device at this slot needs
  *                         to be apply at EOF
+ * @num_exp              : num of exposure associated with the request
  */
 struct cam_req_mgr_add_request {
 	int32_t  link_hdl;
@@ -311,6 +320,7 @@ struct cam_req_mgr_add_request {
 	uint64_t req_id;
 	uint32_t skip_at_sof;
 	uint32_t skip_at_eof;
+	uint32_t num_exp;
 	bool     trigger_eof;
 };
 
@@ -333,7 +343,10 @@ struct cam_req_mgr_notify_stop {
  * @p_delay : delay between time settings applied and take effect
  * @m_delay : delay between time modeswitch settings applied and take effect
  * @trigger : Trigger point for the client
+ * @mode_switch_req : Request id on which sensor mode switch observed on the device
  * @trigger_on : This device provides trigger
+ * @is_shdr : Flag to indicate auto shdr usecase without SFE
+ * @is_shdr_master : Flag to indicate master dev in auto shdr usecase without SFE
  */
 struct cam_req_mgr_device_info {
 	int32_t                     dev_hdl;
@@ -342,7 +355,10 @@ struct cam_req_mgr_device_info {
 	enum cam_pipeline_delay     p_delay;
 	enum cam_modeswitch_delay   m_delay;
 	uint32_t                    trigger;
+	uint64_t                    mode_switch_req;
 	bool                        trigger_on;
+	bool                        is_shdr;
+	bool                        is_shdr_master;
 };
 
 /**
@@ -367,26 +383,26 @@ struct cam_req_mgr_core_dev_link_setup {
 
 /**
  * struct cam_req_mgr_apply_request
- * @link_hdl                 : link identifier
+ * @link_hdl         : link identifier
- * @dev_hdl                  : device handle for cross check
+ * @dev_hdl          : device handle for cross check
- * @request_id               : request id settings to apply
+ * @request_id       : request id settings to apply
- * @last_applied_max_pd_req  : Last applied request on highest pd device
+ * @last_applied_max_pd_req : Last applied req on highest pd dev -1 is considered invalid
- *                             -1 is considered invalid
+ * @report_if_bubble : report to crm if failure in applying
- * @report_if_bubble         : report to crm if failure in applying
+ * @trigger_point    : the trigger point of this apply
- * @trigger_point            : the trigger point of this apply
+ * @re_apply         : to skip re_apply for buf_done request
- * @re_apply                 : to skip re_apply for buf_done request
+ * @recovery         : Indicate if it is recovery req
- * @recovery                 : Indicate if it is recovery req
+ * @dual_trigger_status : Enum to indicate status of dual trigger
- *
  */
 struct cam_req_mgr_apply_request {
-	int32_t    link_hdl;
+	int32_t                       link_hdl;
-	int32_t    dev_hdl;
+	int32_t                       dev_hdl;
-	uint64_t   request_id;
+	uint64_t                      request_id;
-	int64_t    last_applied_max_pd_req;
+	int64_t                       last_applied_max_pd_req;
-	int32_t    report_if_bubble;
+	int32_t                       report_if_bubble;
-	uint32_t   trigger_point;
+	uint32_t                      trigger_point;
-	bool       re_apply;
+	bool                          re_apply;
-	bool       recovery;
+	bool                          recovery;
+	enum cam_req_mgr_dual_trigger dual_trigger_status;
 };
 
 /**

include/uapi/camera/media/cam_tfe.h

@@ -96,6 +96,8 @@
 /* Feature Flag indicators */
 #define CAM_ISP_TFE_FLAG_QCFA_BIN                        BIT(0)
 #define CAM_ISP_TFE_FLAG_BAYER_BIN                       BIT(1)
+#define CAM_ISP_TFE_FLAG_SHDR_MASTER_EN                  BIT(2)
+#define CAM_ISP_TFE_FLAG_SHDR_SLAVE_EN                   BIT(3)
 
 /* Query devices */
 /**