mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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139 lines
3.4 KiB
C
139 lines
3.4 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (C) 2019 Texas Instruments Incorporated - http://www.ti.com
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* Author: Peter Ujfalusi <peter.ujfalusi@ti.com>
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*/
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int xudma_navss_psil_pair(struct udma_dev *ud, u32 src_thread, u32 dst_thread)
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{
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return navss_psil_pair(ud, src_thread, dst_thread);
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}
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EXPORT_SYMBOL(xudma_navss_psil_pair);
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int xudma_navss_psil_unpair(struct udma_dev *ud, u32 src_thread, u32 dst_thread)
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{
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return navss_psil_unpair(ud, src_thread, dst_thread);
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}
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EXPORT_SYMBOL(xudma_navss_psil_unpair);
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struct udma_dev *of_xudma_dev_get(struct device_node *np, const char *property)
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{
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struct device_node *udma_node = np;
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struct platform_device *pdev;
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struct udma_dev *ud;
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if (property) {
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udma_node = of_parse_phandle(np, property, 0);
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if (!udma_node) {
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pr_err("UDMA node is not found\n");
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return ERR_PTR(-ENODEV);
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}
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}
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pdev = of_find_device_by_node(udma_node);
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if (!pdev) {
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pr_debug("UDMA device not found\n");
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return ERR_PTR(-EPROBE_DEFER);
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}
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if (np != udma_node)
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of_node_put(udma_node);
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ud = platform_get_drvdata(pdev);
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if (!ud) {
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pr_debug("UDMA has not been probed\n");
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put_device(&pdev->dev);
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return ERR_PTR(-EPROBE_DEFER);
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}
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return ud;
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}
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EXPORT_SYMBOL(of_xudma_dev_get);
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u32 xudma_dev_get_psil_base(struct udma_dev *ud)
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{
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return ud->psil_base;
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}
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EXPORT_SYMBOL(xudma_dev_get_psil_base);
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struct udma_tisci_rm *xudma_dev_get_tisci_rm(struct udma_dev *ud)
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{
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return &ud->tisci_rm;
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}
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EXPORT_SYMBOL(xudma_dev_get_tisci_rm);
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int xudma_alloc_gp_rflow_range(struct udma_dev *ud, int from, int cnt)
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{
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return __udma_alloc_gp_rflow_range(ud, from, cnt);
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}
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EXPORT_SYMBOL(xudma_alloc_gp_rflow_range);
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int xudma_free_gp_rflow_range(struct udma_dev *ud, int from, int cnt)
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{
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return __udma_free_gp_rflow_range(ud, from, cnt);
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}
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EXPORT_SYMBOL(xudma_free_gp_rflow_range);
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bool xudma_rflow_is_gp(struct udma_dev *ud, int id)
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{
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return !test_bit(id, ud->rflow_gp_map);
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}
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EXPORT_SYMBOL(xudma_rflow_is_gp);
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#define XUDMA_GET_PUT_RESOURCE(res) \
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struct udma_##res *xudma_##res##_get(struct udma_dev *ud, int id) \
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{ \
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return __udma_reserve_##res(ud, false, id); \
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} \
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EXPORT_SYMBOL(xudma_##res##_get); \
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\
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void xudma_##res##_put(struct udma_dev *ud, struct udma_##res *p) \
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{ \
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clear_bit(p->id, ud->res##_map); \
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} \
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EXPORT_SYMBOL(xudma_##res##_put)
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XUDMA_GET_PUT_RESOURCE(tchan);
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XUDMA_GET_PUT_RESOURCE(rchan);
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struct udma_rflow *xudma_rflow_get(struct udma_dev *ud, int id)
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{
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return __udma_get_rflow(ud, id);
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}
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EXPORT_SYMBOL(xudma_rflow_get);
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void xudma_rflow_put(struct udma_dev *ud, struct udma_rflow *p)
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{
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__udma_put_rflow(ud, p);
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}
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EXPORT_SYMBOL(xudma_rflow_put);
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#define XUDMA_GET_RESOURCE_ID(res) \
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int xudma_##res##_get_id(struct udma_##res *p) \
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{ \
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return p->id; \
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} \
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EXPORT_SYMBOL(xudma_##res##_get_id)
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XUDMA_GET_RESOURCE_ID(tchan);
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XUDMA_GET_RESOURCE_ID(rchan);
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XUDMA_GET_RESOURCE_ID(rflow);
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/* Exported register access functions */
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#define XUDMA_RT_IO_FUNCTIONS(res) \
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u32 xudma_##res##rt_read(struct udma_##res *p, int reg) \
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{ \
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if (!p) \
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return 0; \
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return udma_read(p->reg_rt, reg); \
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} \
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EXPORT_SYMBOL(xudma_##res##rt_read); \
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\
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void xudma_##res##rt_write(struct udma_##res *p, int reg, u32 val) \
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{ \
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if (!p) \
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return; \
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udma_write(p->reg_rt, reg, val); \
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} \
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EXPORT_SYMBOL(xudma_##res##rt_write)
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XUDMA_RT_IO_FUNCTIONS(tchan);
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XUDMA_RT_IO_FUNCTIONS(rchan);
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