mirror of
https://github.com/torvalds/linux.git
synced 2024-11-29 07:31:29 +00:00
105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-only */
|
||
|
|
/*
|
||
|
|
* Texas Instruments TI-SCI Processor Controller Helper Functions
|
||
|
|
*
|
||
|
|
* Copyright (C) 2018-2020 Texas Instruments Incorporated - https://www.ti.com/
|
||
|
|
* Suman Anna <s-anna@ti.com>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef REMOTEPROC_TI_SCI_PROC_H
|
||
|
|
#define REMOTEPROC_TI_SCI_PROC_H
|
||
|
|
|
||
|
|
#include <linux/soc/ti/ti_sci_protocol.h>
|
||
|
|
|
||
|
|
/**
|
||
|
|
* struct ti_sci_proc - structure representing a processor control client
|
||
|
|
* @sci: cached TI-SCI protocol handle
|
||
|
|
* @ops: cached TI-SCI proc ops
|
||
|
|
* @dev: cached client device pointer
|
||
|
|
* @proc_id: processor id for the consumer remoteproc device
|
||
|
|
* @host_id: host id to pass the control over for this consumer remoteproc
|
||
|
|
* device
|
||
|
|
*/
|
||
|
|
struct ti_sci_proc {
|
||
|
|
const struct ti_sci_handle *sci;
|
||
|
|
const struct ti_sci_proc_ops *ops;
|
||
|
|
struct device *dev;
|
||
|
|
u8 proc_id;
|
||
|
|
u8 host_id;
|
||
|
|
};
|
||
|
|
|
||
|
|
static inline int ti_sci_proc_request(struct ti_sci_proc *tsp)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = tsp->ops->request(tsp->sci, tsp->proc_id);
|
||
|
|
if (ret)
|
||
|
|
dev_err(tsp->dev, "ti-sci processor request failed: %d\n",
|
||
|
|
ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int ti_sci_proc_release(struct ti_sci_proc *tsp)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = tsp->ops->release(tsp->sci, tsp->proc_id);
|
||
|
|
if (ret)
|
||
|
|
dev_err(tsp->dev, "ti-sci processor release failed: %d\n",
|
||
|
|
ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
static inline int ti_sci_proc_handover(struct ti_sci_proc *tsp)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = tsp->ops->handover(tsp->sci, tsp->proc_id, tsp->host_id);
|
||
|
|
if (ret)
|
||
|
|
dev_err(tsp->dev, "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_set_config(struct ti_sci_proc *tsp,
|
||
|
|
u64 boot_vector,
|
||
|
|
u32 cfg_set, u32 cfg_clr)
|
||
|
|
{
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = tsp->ops->set_config(tsp->sci, tsp->proc_id, boot_vector,
|
||
|
|
cfg_set, cfg_clr);
|
||
|
|
if (ret)
|
||
|
|
dev_err(tsp->dev, "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;
|
||
|
|
|
||
|
|
ret = tsp->ops->set_control(tsp->sci, tsp->proc_id, ctrl_set, ctrl_clr);
|
||
|
|
if (ret)
|
||
|
|
dev_err(tsp->dev, "ti-sci processor set_control failed: %d\n",
|
||
|
|
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_status(tsp->sci, tsp->proc_id, boot_vector,
|
||
|
|
cfg_flags, ctrl_flags, status_flags);
|
||
|
|
if (ret)
|
||
|
|
dev_err(tsp->dev, "ti-sci processor get_status failed: %d\n",
|
||
|
|
ret);
|
||
|
|
return ret;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* REMOTEPROC_TI_SCI_PROC_H */
|