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105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Texas Instruments TI-SCI Processor Controller Helper Functions
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*
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* Copyright (C) 2018-2020 Texas Instruments Incorporated - https://www.ti.com/
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* Suman Anna <s-anna@ti.com>
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*/
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#ifndef REMOTEPROC_TI_SCI_PROC_H
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#define REMOTEPROC_TI_SCI_PROC_H
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#include <linux/soc/ti/ti_sci_protocol.h>
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/**
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* struct ti_sci_proc - structure representing a processor control client
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* @sci: cached TI-SCI protocol handle
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* @ops: cached TI-SCI proc ops
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* @dev: cached client device pointer
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* @proc_id: processor id for the consumer remoteproc device
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* @host_id: host id to pass the control over for this consumer remoteproc
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* device
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*/
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struct ti_sci_proc {
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const struct ti_sci_handle *sci;
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const struct ti_sci_proc_ops *ops;
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struct device *dev;
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u8 proc_id;
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u8 host_id;
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};
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static inline int ti_sci_proc_request(struct ti_sci_proc *tsp)
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{
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int ret;
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ret = tsp->ops->request(tsp->sci, tsp->proc_id);
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if (ret)
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dev_err(tsp->dev, "ti-sci processor request failed: %d\n",
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ret);
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return ret;
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}
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static inline int ti_sci_proc_release(struct ti_sci_proc *tsp)
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{
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int ret;
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ret = tsp->ops->release(tsp->sci, tsp->proc_id);
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if (ret)
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dev_err(tsp->dev, "ti-sci processor release failed: %d\n",
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ret);
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return ret;
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}
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static inline int ti_sci_proc_handover(struct ti_sci_proc *tsp)
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{
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int ret;
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ret = tsp->ops->handover(tsp->sci, tsp->proc_id, tsp->host_id);
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if (ret)
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dev_err(tsp->dev, "ti-sci processor handover of %d to %d failed: %d\n",
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tsp->proc_id, tsp->host_id, ret);
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return ret;
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}
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static inline int ti_sci_proc_set_config(struct ti_sci_proc *tsp,
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u64 boot_vector,
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u32 cfg_set, u32 cfg_clr)
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{
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int ret;
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ret = tsp->ops->set_config(tsp->sci, tsp->proc_id, boot_vector,
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cfg_set, cfg_clr);
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if (ret)
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dev_err(tsp->dev, "ti-sci processor set_config failed: %d\n",
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ret);
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return ret;
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}
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static inline int ti_sci_proc_set_control(struct ti_sci_proc *tsp,
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u32 ctrl_set, u32 ctrl_clr)
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{
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int ret;
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ret = tsp->ops->set_control(tsp->sci, tsp->proc_id, ctrl_set, ctrl_clr);
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if (ret)
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dev_err(tsp->dev, "ti-sci processor set_control failed: %d\n",
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ret);
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return ret;
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}
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static inline int ti_sci_proc_get_status(struct ti_sci_proc *tsp,
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u64 *boot_vector, u32 *cfg_flags,
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u32 *ctrl_flags, u32 *status_flags)
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{
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int ret;
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ret = tsp->ops->get_status(tsp->sci, tsp->proc_id, boot_vector,
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cfg_flags, ctrl_flags, status_flags);
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if (ret)
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dev_err(tsp->dev, "ti-sci processor get_status failed: %d\n",
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ret);
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return ret;
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}
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#endif /* REMOTEPROC_TI_SCI_PROC_H */
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