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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>
70 lines
1.9 KiB
C
70 lines
1.9 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_MGR_PRIV_H__
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#define __CDI_MGR_PRIV_H__
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#include <linux/cdev.h>
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#include <media/cdi-mgr.h>
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#include "cdi-tca-priv.h"
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#define CDI_MGR_STOP_GPIO_INTR_EVENT_WAIT (~(0u))
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#define CDI_MGR_TCA9539_REGISTER_COUNT (8)
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#define CDI_MGR_TCA9539_BASE_REG_ADDR (0x00)
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enum cam_gpio_direction {
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CAM_DEVBLK_GPIO_UNSUSED = 0,
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CAM_DEVBLK_GPIO_INPUT_INTERRUPT,
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CAM_DEVBLK_GPIO_OUTPUT
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};
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struct cam_gpio_config {
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int index;
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enum cam_gpio_direction gpio_dir;
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struct gpio_desc *desc;
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int gpio_intr_irq;
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};
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struct cdi_mgr_priv {
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struct device *pdev; /* parent device */
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struct device *dev; /* this device */
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dev_t devt;
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struct cdev cdev;
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struct class *cdi_class;
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struct i2c_adapter *adap;
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struct cdi_mgr_platform_data *pdata;
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struct list_head dev_list;
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struct mutex mutex;
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struct dentry *d_entry;
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struct work_struct ins_work;
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struct task_struct *t;
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struct kernel_siginfo sinfo;
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int sig_no; /* store signal number from user space */
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spinlock_t spinlock;
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atomic_t in_use;
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char devname[32];
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u32 pwr_state;
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atomic_t irq_in_use;
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struct pwm_device *pwm;
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wait_queue_head_t err_queue;
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bool err_irq_reported;
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u8 des_pwr_method;
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u8 des_pwr_i2c_addr;
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struct tca9539_priv tca9539;
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struct cam_gpio_config gpio_arr[MAX_CDI_GPIOS];
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uint32_t gpio_count;
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uint32_t err_irq_recvd_status_mask;
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bool stop_err_irq_wait;
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u8 cim_ver; /* 1 - P3714 A01, 2 - P3714 A02/A03 */
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u32 cim_frsync[3]; /* FRSYNC source selection for each muxer */
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u8 pre_suspend_tca9539_regvals[CDI_MGR_TCA9539_REGISTER_COUNT];
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};
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int cdi_mgr_power_up(struct cdi_mgr_priv *cdi_mgr, unsigned long arg);
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int cdi_mgr_power_down(struct cdi_mgr_priv *cdi_mgr, unsigned long arg);
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int cdi_mgr_debugfs_init(struct cdi_mgr_priv *cdi_mgr);
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int cdi_mgr_debugfs_remove(struct cdi_mgr_priv *cdi_mgr);
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#endif /* __CDI_MGR_PRIV_H__ */
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