86 lines
2.8 KiB
C
86 lines
2.8 KiB
C
/* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _H_MHI_SYS_
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#define _H_MHI_SYS_
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#include <linux/mutex.h>
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#include <linux/ipc_logging.h>
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#include <linux/sysfs.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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#include "mhi.h"
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extern enum MHI_DEBUG_LEVEL mhi_msg_lvl;
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extern enum MHI_DEBUG_LEVEL mhi_ipc_log_lvl;
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extern unsigned int mhi_log_override;
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extern u32 m3_timer_val_ms;
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extern enum MHI_DEBUG_LEVEL mhi_xfer_db_interval;
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extern enum MHI_DEBUG_LEVEL tx_mhi_intmodt;
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extern enum MHI_DEBUG_LEVEL rx_mhi_intmodt;
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extern void *mhi_ipc_log;
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#define MHI_ASSERT(_x, _msg)\
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do {\
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if (!(_x)) {\
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pr_err("ASSERT- %s : Failure in %s:%d/%s()!\n",\
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_msg, __FILE__, __LINE__, __func__); \
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panic("ASSERT"); \
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} \
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} while (0)
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#define mhi_log(_msg_lvl, _msg, ...) do { \
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DEFINE_DYNAMIC_DEBUG_METADATA(descriptor, _msg); \
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if ((mhi_log_override || \
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unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) &&\
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(_msg_lvl) >= mhi_msg_lvl) \
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pr_alert("[%s] " _msg, __func__, ##__VA_ARGS__); \
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if ((mhi_log_override || \
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unlikely(descriptor.flags & _DPRINTK_FLAGS_PRINT)) && \
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mhi_ipc_log && ((_msg_lvl) >= mhi_ipc_log_lvl)) \
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ipc_log_string(mhi_ipc_log, \
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"[%s] " _msg, __func__, ##__VA_ARGS__); \
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} while (0)
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irqreturn_t mhi_msi_handlr(int msi_number, void *dev_id);
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struct mhi_meminfo {
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struct device *dev;
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uintptr_t pa_aligned;
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uintptr_t pa_unaligned;
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uintptr_t va_aligned;
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uintptr_t va_unaligned;
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uintptr_t size;
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};
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uintptr_t mhi_get_phy_addr(struct mhi_meminfo *meminfo);
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uintptr_t mhi_p2v_addr(struct mhi_device_ctxt *mhi_dev_ctxt, enum MHI_RING_TYPE,
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u32 chan, uintptr_t phy_ptr);
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dma_addr_t mhi_v2p_addr(struct mhi_device_ctxt *mhi_dev_ctxt,
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enum MHI_RING_TYPE type,
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u32 chan, uintptr_t va_ptr);
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void print_ring(struct mhi_ring *local_chan_ctxt, u32 ring_id);
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int mhi_init_debugfs(struct mhi_device_ctxt *mhi_dev_ctxt);
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int mhi_probe(struct pci_dev *mhi_device,
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const struct pci_device_id *mhi_device_id);
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ssize_t sysfs_init_m3(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count);
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ssize_t sysfs_init_m0(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count);
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ssize_t sysfs_init_mhi_reset(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count);
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#endif
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