LF-824: fw: imx: scu: Add missing APIs
APIs added: - IMX_SC_RM_FUNC_FIND_MEMREG - IMX_SC_RM_FUNC_GET_RESOURCE_OWNER - IMX_SC_RM_FUNC_SET_MEMREG_PERMISSIONS - IMX_SC_RM_FUNC_GET_DID Signed-off-by: Franck LENORMAND <franck.lenormand@nxp.com>5.4-rM2-2.2.x-imx-squashed
parent
acbef33f1d
commit
10237c7bcb
|
@ -1,7 +1,7 @@
|
|||
// SPDX-License-Identifier: GPL-2.0+
|
||||
/*
|
||||
* Copyright (C) 2016 Freescale Semiconductor, Inc.
|
||||
* Copyright 2017~2019 NXP
|
||||
* Copyright 2017~2020 NXP
|
||||
*
|
||||
* File containing client-side RPC functions for the RM service. These
|
||||
* function are ported to clients that communicate to the SC.
|
||||
|
@ -39,3 +39,130 @@ bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource)
|
|||
return hdr->func;
|
||||
}
|
||||
EXPORT_SYMBOL(imx_sc_rm_is_resource_owned);
|
||||
|
||||
struct imx_sc_msg_misc_find_memreg {
|
||||
struct imx_sc_rpc_msg hdr;
|
||||
union {
|
||||
struct {
|
||||
u32 add_start_hi;
|
||||
u32 add_start_lo;
|
||||
u32 add_end_hi;
|
||||
u32 add_end_lo;
|
||||
} req;
|
||||
struct {
|
||||
u8 val;
|
||||
} resp;
|
||||
} data;
|
||||
};
|
||||
|
||||
int imx_sc_rm_find_memreg(struct imx_sc_ipc *ipc, u8 *mr, u64 addr_start,
|
||||
u64 addr_end)
|
||||
{
|
||||
struct imx_sc_msg_misc_find_memreg msg;
|
||||
struct imx_sc_rpc_msg *hdr = &msg.hdr;
|
||||
int ret;
|
||||
|
||||
hdr->ver = IMX_SC_RPC_VERSION;
|
||||
hdr->svc = IMX_SC_RPC_SVC_RM;
|
||||
hdr->func = IMX_SC_RM_FUNC_FIND_MEMREG;
|
||||
hdr->size = 5;
|
||||
|
||||
msg.data.req.add_start_hi = addr_start >> 32;
|
||||
msg.data.req.add_start_lo = addr_start;
|
||||
msg.data.req.add_end_hi = addr_end >> 32;
|
||||
msg.data.req.add_end_lo = addr_end;
|
||||
|
||||
ret = imx_scu_call_rpc(ipc, &msg, true);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
if (mr)
|
||||
*mr = msg.data.resp.val;
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(imx_sc_rm_find_memreg);
|
||||
|
||||
struct imx_sc_msg_misc_get_resource_owner {
|
||||
struct imx_sc_rpc_msg hdr;
|
||||
union {
|
||||
struct {
|
||||
u16 resource;
|
||||
} req;
|
||||
struct {
|
||||
u8 val;
|
||||
} resp;
|
||||
} data;
|
||||
};
|
||||
|
||||
int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt)
|
||||
{
|
||||
struct imx_sc_msg_misc_get_resource_owner msg;
|
||||
struct imx_sc_rpc_msg *hdr = &msg.hdr;
|
||||
int ret;
|
||||
|
||||
hdr->ver = IMX_SC_RPC_VERSION;
|
||||
hdr->svc = IMX_SC_RPC_SVC_RM;
|
||||
hdr->func = IMX_SC_RM_FUNC_GET_RESOURCE_OWNER;
|
||||
hdr->size = 2;
|
||||
|
||||
msg.data.req.resource = resource;
|
||||
|
||||
ret = imx_scu_call_rpc(ipc, &msg, true);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
if (pt)
|
||||
*pt = msg.data.resp.val;
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(imx_sc_rm_get_resource_owner);
|
||||
|
||||
struct imx_sc_msg_set_memreg_permissions {
|
||||
struct imx_sc_rpc_msg hdr;
|
||||
u8 mr;
|
||||
u8 pt;
|
||||
u8 perm;
|
||||
} __packed __aligned(4);
|
||||
|
||||
int imx_sc_rm_set_memreg_permissions(struct imx_sc_ipc *ipc, u8 mr,
|
||||
u8 pt, u8 perm)
|
||||
{
|
||||
struct imx_sc_msg_set_memreg_permissions msg;
|
||||
struct imx_sc_rpc_msg *hdr = &msg.hdr;
|
||||
|
||||
hdr->ver = IMX_SC_RPC_VERSION;
|
||||
hdr->svc = IMX_SC_RPC_SVC_RM;
|
||||
hdr->func = IMX_SC_RM_FUNC_SET_MEMREG_PERMISSIONS;
|
||||
hdr->size = 2;
|
||||
|
||||
msg.mr = mr;
|
||||
msg.pt = pt;
|
||||
msg.perm = perm;
|
||||
|
||||
return imx_scu_call_rpc(ipc, &msg, true);
|
||||
}
|
||||
EXPORT_SYMBOL(imx_sc_rm_set_memreg_permissions);
|
||||
|
||||
int imx_sc_rm_get_did(struct imx_sc_ipc *ipc, u8 *did)
|
||||
{
|
||||
struct imx_sc_rpc_msg msg;
|
||||
struct imx_sc_rpc_msg *hdr = &msg;
|
||||
int ret;
|
||||
|
||||
hdr->ver = IMX_SC_RPC_VERSION;
|
||||
hdr->svc = IMX_SC_RPC_SVC_RM;
|
||||
hdr->func = IMX_SC_RM_FUNC_GET_DID;
|
||||
hdr->size = 1;
|
||||
|
||||
ret = imx_scu_call_rpc(ipc, &msg, true);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
|
||||
if (did)
|
||||
*did = msg.func;
|
||||
|
||||
return 0;
|
||||
}
|
||||
EXPORT_SYMBOL(imx_sc_rm_get_did);
|
||||
|
|
|
@ -1,7 +1,7 @@
|
|||
/* SPDX-License-Identifier: GPL-2.0+ */
|
||||
/*
|
||||
* Copyright (C) 2016 Freescale Semiconductor, Inc.
|
||||
* Copyright 2017-2019 NXP
|
||||
* Copyright 2017-2020 NXP
|
||||
*
|
||||
* Header file containing the public API for the System Controller (SC)
|
||||
* Power Management (PM) function. This includes functions for power state
|
||||
|
@ -59,11 +59,43 @@ enum imx_sc_rm_func {
|
|||
|
||||
#if IS_ENABLED(CONFIG_IMX_SCU)
|
||||
bool imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource);
|
||||
int imx_sc_rm_find_memreg(struct imx_sc_ipc *ipc, u8 *mr, u64 addr_start,
|
||||
u64 addr_end);
|
||||
int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt);
|
||||
int imx_sc_rm_set_memreg_permissions(struct imx_sc_ipc *ipc, u8 mr,
|
||||
u8 pt, u8 perm);
|
||||
int imx_sc_rm_get_did(struct imx_sc_ipc *ipc, u8 *did);
|
||||
#else
|
||||
static inline bool
|
||||
imx_sc_rm_is_resource_owned(struct imx_sc_ipc *ipc, u16 resource)
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
static inline
|
||||
int imx_sc_rm_find_memreg(struct imx_sc_ipc *ipc, u8 *mr, u64 addr_start,
|
||||
u64 addr_end)
|
||||
{
|
||||
return -ENOTSUP;
|
||||
}
|
||||
|
||||
static inline
|
||||
int imx_sc_rm_get_resource_owner(struct imx_sc_ipc *ipc, u16 resource, u8 *pt)
|
||||
{
|
||||
return -ENOTSUP;
|
||||
}
|
||||
|
||||
static inline
|
||||
int imx_sc_rm_set_memreg_permissions(struct imx_sc_ipc *ipc, u8 mr,
|
||||
u8 pt, u8 perm)
|
||||
{
|
||||
return -ENOTSUP;
|
||||
}
|
||||
|
||||
static inline
|
||||
int imx_sc_rm_get_did(struct imx_sc_ipc *ipc, u8 *did)
|
||||
{
|
||||
return -ENOTSUP;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
|
Loading…
Reference in New Issue