GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/drivers/remoteproc/ti_sci_proc.h

@@ -0,0 +1,148 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Texas Instruments TI-SCI Processor Controller Helper Functions
+ *
+ * Copyright (C) 2018-2019 Texas Instruments Incorporated - http://www.ti.com/
+ *	Lokesh Vutla <lokeshvutla@ti.com>
+ *	Suman Anna <s-anna@ti.com>
+ */
+
+#ifndef REMOTEPROC_TI_SCI_PROC_H
+#define REMOTEPROC_TI_SCI_PROC_H
+
+#define TISCI_INVALID_HOST 0xff
+
+/**
+ * struct ti_sci_proc - structure representing a processor control client
+ * @sci: cached TI-SCI protocol handle
+ * @ops: cached TI-SCI proc ops
+ * @proc_id: processor id for the consumer remoteproc device
+ * @host_id: host id to pass the control over for this consumer remoteproc
+ *	     device
+ * @dev_id: Device ID as identified by system controller.
+ */
+struct ti_sci_proc {
+	const struct ti_sci_handle *sci;
+	const struct ti_sci_proc_ops *ops;
+	u8 proc_id;
+	u8 host_id;
+	u16 dev_id;
+};
+
+static inline int ti_sci_proc_request(struct ti_sci_proc *tsp)
+{
+	int ret;
+
+	debug("%s: proc_id = %d\n", __func__, tsp->proc_id);
+
+	ret = tsp->ops->proc_request(tsp->sci, tsp->proc_id);
+	if (ret)
+		pr_err("ti-sci processor request failed: %d\n", ret);
+	return ret;
+}
+
+static inline int ti_sci_proc_release(struct ti_sci_proc *tsp)
+{
+	int ret;
+
+	debug("%s: proc_id = %d\n", __func__, tsp->proc_id);
+
+	if (tsp->host_id != TISCI_INVALID_HOST)
+		ret = tsp->ops->proc_handover(tsp->sci, tsp->proc_id,
+					      tsp->host_id);
+	else
+		ret = tsp->ops->proc_release(tsp->sci, tsp->proc_id);
+
+	if (ret)
+		pr_err("ti-sci processor release failed: %d\n", ret);
+	return ret;
+}
+
+static inline int ti_sci_proc_handover(struct ti_sci_proc *tsp)
+{
+	int ret;
+
+	debug("%s: proc_id = %d\n", __func__, tsp->proc_id);
+
+	ret = tsp->ops->proc_handover(tsp->sci, tsp->proc_id, tsp->host_id);
+	if (ret)
+		pr_err("ti-sci processor handover of %d to %d failed: %d\n",
+		       tsp->proc_id, tsp->host_id, ret);
+	return ret;
+}
+
+static inline int ti_sci_proc_get_status(struct ti_sci_proc *tsp,
+					 u64 *boot_vector, u32 *cfg_flags,
+					 u32 *ctrl_flags, u32 *status_flags)
+{
+	int ret;
+
+	ret = tsp->ops->get_proc_boot_status(tsp->sci, tsp->proc_id,
+					     boot_vector, cfg_flags, ctrl_flags,
+					     status_flags);
+	if (ret)
+		pr_err("ti-sci processor get_status failed: %d\n", ret);
+
+	debug("%s: proc_id = %d, boot_vector = 0x%llx, cfg_flags = 0x%x, ctrl_flags = 0x%x, sts = 0x%x\n",
+	      __func__, tsp->proc_id, *boot_vector, *cfg_flags, *ctrl_flags,
+	      *status_flags);
+	return ret;
+}
+
+static inline int ti_sci_proc_set_config(struct ti_sci_proc *tsp,
+					 u64 boot_vector,
+					 u32 cfg_set, u32 cfg_clr)
+{
+	int ret;
+
+	debug("%s: proc_id = %d, boot_vector = 0x%llx, cfg_set = 0x%x, cfg_clr = 0x%x\n",
+	      __func__, tsp->proc_id, boot_vector, cfg_set, cfg_clr);
+
+	ret = tsp->ops->set_proc_boot_cfg(tsp->sci, tsp->proc_id, boot_vector,
+					  cfg_set, cfg_clr);
+	if (ret)
+		pr_err("ti-sci processor set_config failed: %d\n", ret);
+	return ret;
+}
+
+static inline int ti_sci_proc_set_control(struct ti_sci_proc *tsp,
+					  u32 ctrl_set, u32 ctrl_clr)
+{
+	int ret;
+
+	debug("%s: proc_id = %d, ctrl_set = 0x%x, ctrl_clr = 0x%x\n", __func__,
+	      tsp->proc_id, ctrl_set, ctrl_clr);
+
+	ret = tsp->ops->set_proc_boot_ctrl(tsp->sci, tsp->proc_id, ctrl_set,
+					   ctrl_clr);
+	if (ret)
+		pr_err("ti-sci processor set_control failed: %d\n", ret);
+	return ret;
+}
+
+static inline int ti_sci_proc_power_domain_on(struct ti_sci_proc *tsp)
+{
+	int ret;
+
+	debug("%s: dev_id = %d\n", __func__, tsp->dev_id);
+
+	ret = tsp->sci->ops.dev_ops.get_device_exclusive(tsp->sci, tsp->dev_id);
+	if (ret)
+		pr_err("Power-domain on failed for dev = %d\n", tsp->dev_id);
+
+	return ret;
+}
+
+static inline int ti_sci_proc_power_domain_off(struct ti_sci_proc *tsp)
+{
+	int ret;
+
+	debug("%s: dev_id = %d\n", __func__, tsp->dev_id);
+
+	ret = tsp->sci->ops.dev_ops.put_device(tsp->sci, tsp->dev_id);
+	if (ret)
+		pr_err("Power-domain off failed for dev = %d\n", tsp->dev_id);
+
+	return ret;
+}
+#endif /* REMOTEPROC_TI_SCI_PROC_H */