77 lines
3.2 KiB
C
77 lines
3.2 KiB
C
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/*
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* Copyright (c) 2013-2018, NVIDIA CORPORATION. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SOC_TEGRA_TEGRA_BPMP_H
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#define _SOC_TEGRA_TEGRA_BPMP_H
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#include <linux/kernel.h>
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typedef void (*bpmp_mrq_handler)(int mrq, void *data, int ch);
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#ifdef CONFIG_NV_TEGRA_BPMP
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int tegra_bpmp_running(void);
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int tegra_bpmp_send_receive_atomic(int mrq, void *ob_data, int ob_sz,
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void *ib_data, int ib_sz);
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int tegra_bpmp_send_receive(int mrq, void *ob_data, int ob_sz,
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void *ib_data, int ib_sz);
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int tegra_bpmp_request_mrq(int mrq, bpmp_mrq_handler handler, void *data);
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int tegra_bpmp_cancel_mrq(int mrq);
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int tegra_bpmp_request_module_mrq(uint32_t module_base,
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bpmp_mrq_handler handler, void *data);
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void tegra_bpmp_cancel_module_mrq(uint32_t module_base);
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uint32_t tegra_bpmp_mail_readl(int ch, int offset);
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int tegra_bpmp_read_data(unsigned int ch, void *data, size_t sz);
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void tegra_bpmp_mail_return(int ch, int code, int v);
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void tegra_bpmp_mail_return_data(int ch, int code, void *data, int sz);
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void *tegra_bpmp_alloc_coherent(size_t size, dma_addr_t *phys,
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gfp_t flags);
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void tegra_bpmp_free_coherent(size_t size, void *vaddr,
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dma_addr_t phys);
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#ifdef CONFIG_DEBUG_FS
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struct dentry *tegra_bpmp_debugfs_add_file(char *name,
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umode_t mode, void *data, const struct file_operations *fops);
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#endif
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#else
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static inline int tegra_bpmp_running(void) { return 0; }
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static inline int tegra_bpmp_send_receive_atomic(int mrq, void *ob_data,
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int ob_sz, void *ib_data, int ib_sz) { return -ENODEV; }
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static inline int tegra_bpmp_send_receive(int mrq, void *ob_data, int ob_sz,
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void *ib_data, int ib_sz) { return -ENODEV; }
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static inline int tegra_bpmp_request_mrq(int mrq, bpmp_mrq_handler handler,
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void *data) { return -ENODEV; }
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static inline int tegra_bpmp_cancel_mrq(int mrq) { return -ENODEV; }
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static inline int tegra_bpmp_request_module_mrq(uint32_t module_base,
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bpmp_mrq_handler handler, void *data) { return -ENODEV; }
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static inline void tegra_bpmp_cancel_module_mrq(uint32_t module_base) {}
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static inline uint32_t tegra_bpmp_mail_readl(int ch, int offset) { return 0; }
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static inline int tegra_bpmp_read_data(unsigned int ch, void *data, size_t sz)
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{ return -ENODEV; }
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static inline void tegra_bpmp_mail_return(int ch, int code, int v) {}
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static inline void tegra_bpmp_mail_return_data(int ch, int code,
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void *data, int sz) { }
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static inline void *tegra_bpmp_alloc_coherent(size_t size, dma_addr_t *phys,
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gfp_t flags) { return NULL; }
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static inline void tegra_bpmp_free_coherent(size_t size, void *vaddr,
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dma_addr_t phys) { }
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#ifdef CONFIG_DEBUG_FS
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struct dentry *tegra_bpmp_debugfs_add_file(char *name,
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umode_t mode, void *data, const struct file_operations *fops)
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{ return NULL; }
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#endif
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#endif
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#endif
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