msm: ipa: add api for getting IPA pdev

Add API intended for IPA kernel tests.
This API will allow kernel tests to use IPA driver
pdev struct by returning a pointer to this struct.

CRs-Fixed: 1077422
Change-Id: Ideeaa89f15b8895ce7256fed9f614d5c39ef105f
Signed-off-by: Amir Levy <alevy@codeaurora.org>
Signed-off-by: Gidon Studinski <gidons@codeaurora.org>

drivers/platform/msm/ipa/ipa_api.c

@@ -2907,6 +2907,22 @@ int ipa_tear_down_uc_offload_pipes(int ipa_ep_idx_ul,
 	return ret;
 }
 
+/**
+ * ipa_get_pdev() - return a pointer to IPA dev struct
+ *
+ * Return value: a pointer to IPA dev struct
+ *
+ */
+struct device *ipa_get_pdev(void)
+{
+	struct device *ret;
+
+	IPA_API_DISPATCH_RETURN_PTR(ipa_get_pdev);
+
+	return ret;
+}
+EXPORT_SYMBOL(ipa_get_pdev);
+
 static const struct dev_pm_ops ipa_pm_ops = {
 	.suspend_noirq = ipa_ap_suspend,
 	.resume_noirq = ipa_ap_resume,

drivers/platform/msm/ipa/ipa_api.h

@@ -369,6 +369,8 @@ struct ipa_api_controller {
 
 	int (*ipa_tear_down_uc_offload_pipes)(int ipa_ep_idx_ul,
 		int ipa_ep_idx_dl);
+
+	struct device *(*ipa_get_pdev)(void);
 };
 
 #ifdef CONFIG_IPA

drivers/platform/msm/ipa/ipa_v2/ipa_i.h

@@ -1847,4 +1847,5 @@ int ipa_ntn_init(void);
 int ipa2_get_ntn_stats(struct IpaHwStatsNTNInfoData_t *stats);
 int ipa2_register_ipa_ready_cb(void (*ipa_ready_cb)(void *),
 				void *user_data);
+struct device *ipa2_get_pdev(void);
 #endif /* _IPA_I_H_ */

drivers/platform/msm/ipa/ipa_v2/ipa_utils.c

@@ -5102,6 +5102,7 @@ int ipa2_bind_api_controller(enum ipa_hw_type ipa_hw_type,
 	api_ctrl->ipa_setup_uc_ntn_pipes = ipa2_setup_uc_ntn_pipes;
 	api_ctrl->ipa_tear_down_uc_offload_pipes =
 		ipa2_tear_down_uc_offload_pipes;
+	api_ctrl->ipa_get_pdev = ipa2_get_pdev;
 
 	return 0;
 }
@@ -5181,3 +5182,17 @@ void ipa_suspend_apps_pipes(bool suspend)
 		}
 	}
 }
+
+/**
+ * ipa2_get_pdev() - return a pointer to IPA dev struct
+ *
+ * Return value: a pointer to IPA dev struct
+ *
+ */
+struct device *ipa2_get_pdev(void)
+{
+	if (!ipa_ctx)
+		return NULL;
+
+	return ipa_ctx->pdev;
+}

drivers/platform/msm/ipa/ipa_v3/ipa_i.h

@@ -2027,4 +2027,5 @@ int ipa3_ntn_init(void);
 int ipa3_get_ntn_stats(struct Ipa3HwStatsNTNInfoData_t *stats);
 struct dentry *ipa_debugfs_get_root(void);
 bool ipa3_is_msm_device(void);
+struct device *ipa3_get_pdev(void);
 #endif /* _IPA3_I_H_ */

drivers/platform/msm/ipa/ipa_v3/ipa_utils.c

@@ -3199,6 +3199,7 @@ int ipa3_bind_api_controller(enum ipa_hw_type ipa_hw_type,
 	api_ctrl->ipa_setup_uc_ntn_pipes = ipa3_setup_uc_ntn_pipes;
 	api_ctrl->ipa_tear_down_uc_offload_pipes =
 		ipa3_tear_down_uc_offload_pipes;
+	api_ctrl->ipa_get_pdev = ipa3_get_pdev;
 
 	return 0;
 }
@@ -3637,3 +3638,17 @@ bool ipa3_is_msm_device(void)
 
 	return false;
 }
+
+/**
+ * ipa3_get_pdev() - return a pointer to IPA dev struct
+ *
+ * Return value: a pointer to IPA dev struct
+ *
+ */
+struct device *ipa3_get_pdev(void)
+{
+	if (!ipa3_ctx)
+		return NULL;
+
+	return ipa3_ctx->pdev;
+}