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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
*/
#include <linux/of.h>
#include <linux/of_platform.h>
int xudma_navss_psil_pair(struct udma_dev *ud, u32 src_thread, u32 dst_thread)
{
return navss_psil_pair(ud, src_thread, dst_thread);
}
EXPORT_SYMBOL(xudma_navss_psil_pair);
int xudma_navss_psil_unpair(struct udma_dev *ud, u32 src_thread, u32 dst_thread)
{
return navss_psil_unpair(ud, src_thread, dst_thread);
}
EXPORT_SYMBOL(xudma_navss_psil_unpair);
struct udma_dev *of_xudma_dev_get(struct device_node *np, const char *property)
{
struct device_node *udma_node = np;
struct platform_device *pdev;
struct udma_dev *ud;
if (property) {
udma_node = of_parse_phandle(np, property, 0);
if (!udma_node) {
pr_err("UDMA node is not found\n");
return ERR_PTR(-ENODEV);
}
}
pdev = of_find_device_by_node(udma_node);
if (np != udma_node)
of_node_put(udma_node);
if (!pdev) {
pr_debug("UDMA device not found\n");
return ERR_PTR(-EPROBE_DEFER);
}
ud = platform_get_drvdata(pdev);
if (!ud) {
pr_debug("UDMA has not been probed\n");
put_device(&pdev->dev);
return ERR_PTR(-EPROBE_DEFER);
}
return ud;
}
EXPORT_SYMBOL(of_xudma_dev_get);
struct device *xudma_get_device(struct udma_dev *ud)
{
return ud->dev;
}
EXPORT_SYMBOL(xudma_get_device);
struct k3_ringacc *xudma_get_ringacc(struct udma_dev *ud)
{
return ud->ringacc;
}
EXPORT_SYMBOL(xudma_get_ringacc);
u32 xudma_dev_get_psil_base(struct udma_dev *ud)
{
return ud->psil_base;
}
EXPORT_SYMBOL(xudma_dev_get_psil_base);
struct udma_tisci_rm *xudma_dev_get_tisci_rm(struct udma_dev *ud)
{
return &ud->tisci_rm;
}
EXPORT_SYMBOL(xudma_dev_get_tisci_rm);
int xudma_alloc_gp_rflow_range(struct udma_dev *ud, int from, int cnt)
{
return __udma_alloc_gp_rflow_range(ud, from, cnt);
}
EXPORT_SYMBOL(xudma_alloc_gp_rflow_range);
int xudma_free_gp_rflow_range(struct udma_dev *ud, int from, int cnt)
{
return __udma_free_gp_rflow_range(ud, from, cnt);
}
EXPORT_SYMBOL(xudma_free_gp_rflow_range);
bool xudma_rflow_is_gp(struct udma_dev *ud, int id)
{
if (!ud->rflow_gp_map)
return false;
return !test_bit(id, ud->rflow_gp_map);
}
EXPORT_SYMBOL(xudma_rflow_is_gp);
#define XUDMA_GET_PUT_RESOURCE(res) \
struct udma_##res *xudma_##res##_get(struct udma_dev *ud, int id) \
{ \
return __udma_reserve_##res(ud, UDMA_TP_NORMAL, id); \
} \
EXPORT_SYMBOL(xudma_##res##_get); \
\
void xudma_##res##_put(struct udma_dev *ud, struct udma_##res *p) \
{ \
clear_bit(p->id, ud->res##_map); \
} \
EXPORT_SYMBOL(xudma_##res##_put)
XUDMA_GET_PUT_RESOURCE(tchan);
XUDMA_GET_PUT_RESOURCE(rchan);
struct udma_rflow *xudma_rflow_get(struct udma_dev *ud, int id)
{
return __udma_get_rflow(ud, id);
}
EXPORT_SYMBOL(xudma_rflow_get);
void xudma_rflow_put(struct udma_dev *ud, struct udma_rflow *p)
{
__udma_put_rflow(ud, p);
}
EXPORT_SYMBOL(xudma_rflow_put);
int xudma_get_rflow_ring_offset(struct udma_dev *ud)
{
return ud->tflow_cnt;
}
EXPORT_SYMBOL(xudma_get_rflow_ring_offset);
#define XUDMA_GET_RESOURCE_ID(res) \
int xudma_##res##_get_id(struct udma_##res *p) \
{ \
return p->id; \
} \
EXPORT_SYMBOL(xudma_##res##_get_id)
XUDMA_GET_RESOURCE_ID(tchan);
XUDMA_GET_RESOURCE_ID(rchan);
XUDMA_GET_RESOURCE_ID(rflow);
/* Exported register access functions */
#define XUDMA_RT_IO_FUNCTIONS(res) \
u32 xudma_##res##rt_read(struct udma_##res *p, int reg) \
{ \
if (!p) \
return 0; \
return udma_read(p->reg_rt, reg); \
} \
EXPORT_SYMBOL(xudma_##res##rt_read); \
\
void xudma_##res##rt_write(struct udma_##res *p, int reg, u32 val) \
{ \
if (!p) \
return; \
udma_write(p->reg_rt, reg, val); \
} \
EXPORT_SYMBOL(xudma_##res##rt_write)
XUDMA_RT_IO_FUNCTIONS(tchan);
XUDMA_RT_IO_FUNCTIONS(rchan);
int xudma_is_pktdma(struct udma_dev *ud)
{
return ud->match_data->type == DMA_TYPE_PKTDMA;
}
EXPORT_SYMBOL(xudma_is_pktdma);
int xudma_pktdma_tflow_get_irq(struct udma_dev *ud, int udma_tflow_id)
{
const struct udma_oes_offsets *oes = &ud->soc_data->oes;
return msi_get_virq(ud->dev, udma_tflow_id + oes->pktdma_tchan_flow);
}
EXPORT_SYMBOL(xudma_pktdma_tflow_get_irq);
int xudma_pktdma_rflow_get_irq(struct udma_dev *ud, int udma_rflow_id)
{
const struct udma_oes_offsets *oes = &ud->soc_data->oes;
return msi_get_virq(ud->dev, udma_rflow_id + oes->pktdma_rchan_flow);
}
EXPORT_SYMBOL(xudma_pktdma_rflow_get_irq);
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