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- /*
- * Copyright (C) 2021 Alibaba Group Holding Limited
- * Author: liuyitong <yitong.lyt@alibaba-inc.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
- #include <asm/io.h>
- #include <linux/cdev.h>
- #include <linux/module.h>
- #include <linux/platform_device.h>
- #include <linux/delay.h>
- #include <linux/clk.h>
- #include <linux/io.h>
- #include <linux/mm.h>
- #include <linux/timer.h>
- #include <linux/kernel.h>
- #include <linux/init.h>
- #include <linux/ioctl.h>
- #include <linux/poll.h>
- #include <linux/workqueue.h>
- #include <linux/slab.h>
- #include <linux/proc_fs.h>
- #include <linux/debugfs.h>
- #include <linux/miscdevice.h>
- #include <linux/uaccess.h>
- #include <linux/interrupt.h>
- #include <linux/of.h>
- #include "bm_printk.h"
- #include "bm_csi_ioctl.h"
- #include "bm_csi_hw.h"
- #include "dw-dphy-rx.h"
- #include "bm_csi_dphy.h"
- #define check_retval(x)\
- do {\
- if ((x))\
- return -EIO;\
- } while (0)
- int bm_csi_write_reg(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- struct bm_csi_reg_t reg;
- check_retval(copy_from_user(®, args, sizeof(reg)));
- writel(reg.value, drvdata->base + reg.offset);
- bm_info("%s addr 0x%08x val 0x%08x\n", __func__, reg.offset, reg.value);
- return 0;
- }
- int bm_csi_read_reg(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- struct bm_csi_reg_t reg;
- check_retval(copy_from_user(®, args, sizeof(reg)));
- reg.value = readl(drvdata->base + reg.offset);
- check_retval(copy_to_user(args, ®, sizeof(reg)));
- bm_info("%s addr 0x%08x val 0x%08x\n", __func__, reg.offset, reg.value);
- return 0;
- }
- int bm_csi_init(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: csi init\n", __func__);
- return 0;
- }
- int bm_csi_exit(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: csi exit\n", __func__);
- return 0;
- }
- int bm_csi_reset(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: csi reset success\n", __func__);
- dw_csi_soc_reset(drvdata->reset);
- //bm_csi_dphy_reset();
- return 0;
- }
- static int csi_power_on_sta = 0;
- int bm_csi_set_power(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: csi set power\n", __func__);
- check_retval(copy_from_user(&csi_power_on_sta, args, sizeof(csi_power_on_sta)));
- dw_mipi_csi_s_power(&drvdata->csi_dev, csi_power_on_sta);
- return 0;
- }
- int bm_csi_get_power(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: csi get power\n", __func__);
- check_retval(copy_to_user(args, &csi_power_on_sta, sizeof(csi_power_on_sta)));
- return 0;
- }
- int bm_csi_set_clock(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: \n", __func__);
- check_retval(copy_to_user(args, &csi_power_on_sta, sizeof(csi_power_on_sta)));
- return 0;
- }
- int bm_csi_get_clock(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: \n", __func__);
- return 0;
- }
- int bm_csi_set_stream(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: \n", __func__);
- return 0;
- }
- int bm_csi_get_stream(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: \n", __func__);
- return 0;
- }
- int bm_csi_set_fmt(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: \n", __func__);
- return 0;
- }
- int bm_csi_get_fmt(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: \n", __func__);
- return 0;
- }
- int bm_csi_set_vc_select(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: \n", __func__);
- return 0;
- }
- int bm_csi_get_vc_select(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: \n", __func__);
- return 0;
- }
- int bm_csi_set_lane_cfg(struct bm_csi_drvdata *drvdata, void *__user args)
- {
- bm_info("%s: \n", __func__);
- return 0;
- }
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