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9269dac3ec
Add IO Expander support in CDI Dev to control the FRSYNC multiplexer with the speicific platform Bug 3582660 Change-Id: I3ee376e7a0bccabcfa16efb228879d4df0d65748 Signed-off-by: Junghyun Kim <juskim@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2727256 Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2824551 Reviewed-by: Frank Chen <frankc@nvidia.com> Reviewed-by: Shiva Dubey <sdubey@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
49 lines
1.2 KiB
C
49 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2015-2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
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#ifndef __CDI_DEV_PRIV_H__
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#define __CDI_DEV_PRIV_H__
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#include <linux/cdev.h>
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#include "cdi-tca-priv.h"
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#define MAX_POWER_LINKS_PER_BLOCK (4U)
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struct max20087_priv {
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int bus;
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u32 addr;
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u32 reg_len;
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u32 dat_len;
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u8 links[MAX_POWER_LINKS_PER_BLOCK];
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};
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struct cdi_dev_info {
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struct i2c_client *i2c_client;
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struct device *dev;
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struct cdev cdev;
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struct cdi_dev_platform_data *pdata;
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atomic_t in_use;
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struct mutex mutex;
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struct cdi_dev_package rw_pkg;
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struct dentry *d_entry;
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u32 reg_len;
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u32 reg_off;
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char devname[32];
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u8 power_is_on;
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u8 cam_pwr_method;
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u8 cam_pwr_i2c_addr;
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struct max20087_priv max20087;
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struct tca9539_priv tca9539;
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u8 cim_ver; /* 1 - P3714 A01, 2 - P3714 A02/A03 */
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};
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int cdi_dev_raw_rd(struct cdi_dev_info *info, unsigned int offset,
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unsigned int offset_len, u8 *val, size_t size);
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int cdi_dev_raw_wr(struct cdi_dev_info *info, unsigned int offset, u8 *val,
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size_t size);
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int cdi_dev_debugfs_init(struct cdi_dev_info *cdi_dev);
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int cdi_dev_debugfs_remove(struct cdi_dev_info *cdi_dev);
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#endif /* __CDI_DEV_PRIV_H__ */
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