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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* TI K3 Remote Processor(s) driver common code
*
* Refactored out of ti_k3_r5_remoteproc.c, ti_k3_dsp_remoteproc.c and
* ti_k3_m4_remoteproc.c.
*
* ti_k3_r5_remoteproc.c:
* Copyright (C) 2017-2022 Texas Instruments Incorporated - https://www.ti.com/
* Suman Anna <s-anna@ti.com>
*
* ti_k3_dsp_remoteproc.c:
* Copyright (C) 2018-2022 Texas Instruments Incorporated - https://www.ti.com/
* Suman Anna <s-anna@ti.com>
*
* ti_k3_m4_remoteproc.c:
* Copyright (C) 2021-2024 Texas Instruments Incorporated - https://www.ti.com/
* Hari Nagalla <hnagalla@ti.com>
*/
#ifndef REMOTEPROC_TI_K3_COMMON_H
#define REMOTEPROC_TI_K3_COMMON_H
#define KEYSTONE_RPROC_LOCAL_ADDRESS_MASK (SZ_16M - 1)
/**
* struct k3_rproc_mem - internal memory structure
* @cpu_addr: MPU virtual address of the memory region
* @bus_addr: Bus address used to access the memory region
* @dev_addr: Device address of the memory region from remote processor view
* @size: Size of the memory region
*/
struct k3_rproc_mem {
void __iomem *cpu_addr;
phys_addr_t bus_addr;
u32 dev_addr;
size_t size;
};
/**
* struct k3_rproc_mem_data - memory definitions for a remote processor
* @name: name for this memory entry
* @dev_addr: device address for the memory entry
*/
struct k3_rproc_mem_data {
const char *name;
const u32 dev_addr;
};
/**
* struct k3_rproc_dev_data - device data structure for a remote processor
* @mems: pointer to memory definitions for a remote processor
* @num_mems: number of memory regions in @mems
* @boot_align_addr: boot vector address alignment granularity
* @uses_lreset: flag to denote the need for local reset management
*/
struct k3_rproc_dev_data {
const struct k3_rproc_mem_data *mems;
u32 num_mems;
u32 boot_align_addr;
bool uses_lreset;
};
/**
* struct k3_rproc - k3 remote processor driver structure
* @dev: cached device pointer
* @rproc: remoteproc device handle
* @mem: internal memory regions data
* @num_mems: number of internal memory regions
* @rmem: reserved memory regions data
* @num_rmems: number of reserved memory regions
* @reset: reset control handle
* @data: pointer to DSP-specific device data
* @tsp: TI-SCI processor control handle
* @ti_sci: TI-SCI handle
* @ti_sci_id: TI-SCI device identifier
* @mbox: mailbox channel handle
* @client: mailbox client to request the mailbox channel
* @priv: void pointer to carry any private data
*/
struct k3_rproc {
struct device *dev;
struct rproc *rproc;
struct k3_rproc_mem *mem;
int num_mems;
struct k3_rproc_mem *rmem;
int num_rmems;
struct reset_control *reset;
const struct k3_rproc_dev_data *data;
struct ti_sci_proc *tsp;
const struct ti_sci_handle *ti_sci;
u32 ti_sci_id;
struct mbox_chan *mbox;
struct mbox_client client;
void *priv;
};
void k3_rproc_mbox_callback(struct mbox_client *client, void *data);
void k3_rproc_kick(struct rproc *rproc, int vqid);
int k3_rproc_reset(struct k3_rproc *kproc);
int k3_rproc_release(struct k3_rproc *kproc);
int k3_rproc_request_mbox(struct rproc *rproc);
int k3_rproc_prepare(struct rproc *rproc);
int k3_rproc_unprepare(struct rproc *rproc);
int k3_rproc_start(struct rproc *rproc);
int k3_rproc_stop(struct rproc *rproc);
int k3_rproc_attach(struct rproc *rproc);
int k3_rproc_detach(struct rproc *rproc);
struct resource_table *k3_get_loaded_rsc_table(struct rproc *rproc,
size_t *rsc_table_sz);
void *k3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len,
bool *is_iomem);
int k3_rproc_of_get_memories(struct platform_device *pdev,
struct k3_rproc *kproc);
void k3_mem_release(void *data);
int k3_reserved_mem_init(struct k3_rproc *kproc);
void k3_release_tsp(void *data);
#endif /* REMOTEPROC_TI_K3_COMMON_H */
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