1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Texas Instruments TI-SCI Processor Controller Helper Functions
5 * Copyright (C) 2018-2020 Texas Instruments Incorporated - https://www.ti.com/
6 * Suman Anna <s-anna@ti.com>
9 #ifndef REMOTEPROC_TI_SCI_PROC_H
10 #define REMOTEPROC_TI_SCI_PROC_H
12 #include <linux/soc/ti/ti_sci_protocol.h>
15 * struct ti_sci_proc - structure representing a processor control client
16 * @sci: cached TI-SCI protocol handle
17 * @ops: cached TI-SCI proc ops
18 * @dev: cached client device pointer
19 * @proc_id: processor id for the consumer remoteproc device
20 * @host_id: host id to pass the control over for this consumer remoteproc
24 const struct ti_sci_handle *sci;
25 const struct ti_sci_proc_ops *ops;
31 static inline int ti_sci_proc_request(struct ti_sci_proc *tsp)
35 ret = tsp->ops->request(tsp->sci, tsp->proc_id);
37 dev_err(tsp->dev, "ti-sci processor request failed: %d\n",
42 static inline int ti_sci_proc_release(struct ti_sci_proc *tsp)
46 ret = tsp->ops->release(tsp->sci, tsp->proc_id);
48 dev_err(tsp->dev, "ti-sci processor release failed: %d\n",
53 static inline int ti_sci_proc_handover(struct ti_sci_proc *tsp)
57 ret = tsp->ops->handover(tsp->sci, tsp->proc_id, tsp->host_id);
59 dev_err(tsp->dev, "ti-sci processor handover of %d to %d failed: %d\n",
60 tsp->proc_id, tsp->host_id, ret);
64 static inline int ti_sci_proc_set_config(struct ti_sci_proc *tsp,
66 u32 cfg_set, u32 cfg_clr)
70 ret = tsp->ops->set_config(tsp->sci, tsp->proc_id, boot_vector,
73 dev_err(tsp->dev, "ti-sci processor set_config failed: %d\n",
78 static inline int ti_sci_proc_set_control(struct ti_sci_proc *tsp,
79 u32 ctrl_set, u32 ctrl_clr)
83 ret = tsp->ops->set_control(tsp->sci, tsp->proc_id, ctrl_set, ctrl_clr);
85 dev_err(tsp->dev, "ti-sci processor set_control failed: %d\n",
90 static inline int ti_sci_proc_get_status(struct ti_sci_proc *tsp,
91 u64 *boot_vector, u32 *cfg_flags,
92 u32 *ctrl_flags, u32 *status_flags)
96 ret = tsp->ops->get_status(tsp->sci, tsp->proc_id, boot_vector,
97 cfg_flags, ctrl_flags, status_flags);
99 dev_err(tsp->dev, "ti-sci processor get_status failed: %d\n",
104 #endif /* REMOTEPROC_TI_SCI_PROC_H */