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- /****************************************************************************
- *
- * The MIT License (MIT)
- *
- * Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- *****************************************************************************
- *
- * The GPL License (GPL)
- *
- * Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program;
- *
- *****************************************************************************
- *
- * Note: This software is released under dual MIT and GPL licenses. A
- * recipient may use this file under the terms of either the MIT license or
- * GPL License. If you wish to use only one license not the other, you can
- * indicate your decision by deleting one of the above license notices in your
- * version of this file.
- *
- *****************************************************************************/
- #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/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_reserved_mem.h>
- #include "isp_ioctl.h"
- #include "mrv_all_regs.h"
- #include "isp_wdr.h"
- extern MrvAllRegister_t *all_regs;
- static ulong vvImgBufBase = 0x10000000;
- module_param(vvImgBufBase, ulong, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
- MODULE_PARM_DESC(vvImgBufBase, "Base addrss of memory reserved for ISP");
- static ulong vvImgBufSize = 0x10000000;
- module_param(vvImgBufSize, ulong, S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH);
- MODULE_PARM_DESC(vvImgBufSize, "Size of memory reserved for ISP");
- #define VIVCAM_ISP_NAME "vivisp"
- #define VIVCAM_ISP_MAXCNT 2
- #define VIVCAM_ISP_IRQ_NUMBER 16
- struct vvcam_isp_driver_dev
- {
- struct cdev cdev;
- dev_t devt;
- struct class *class;
- struct mutex vvmutex;
- unsigned int device_idx;
- struct timer_list isp_timer;
- struct work_struct vvnative_wq;
- wait_queue_head_t irq_wait;
- int irq_num;
- void *private;
- };
- static unsigned int vvcam_isp_major = 0;
- static unsigned int vvcam_isp_minor = 0;
- static struct class *vvcam_isp_class;
- static unsigned int devise_register_index = 0;
- static bool isp_irq = false;
- static unsigned int vvnative_isp_poll(struct file * filp, poll_table *wait)
- {
- unsigned int mask = 0;
- struct vvcam_isp_driver_dev *pdriver_dev = filp->private_data;
- poll_wait(filp, &pdriver_dev->irq_wait, wait);
- //pr_info("poll isp_irq %d\n", isp_irq);
- if (isp_irq) {
- mask |= POLLIN |POLLRDNORM;
- isp_irq = false;
- }
- return mask;
- }
- static void vvnative_isp_work(struct work_struct *work)
- {
- /*Todo update those module that does not have shandow register*/
- struct vvcam_isp_driver_dev *pdriver_dev = container_of(work, struct vvcam_isp_driver_dev, vvnative_wq);
- struct isp_ic_dev * pisp_dev = pdriver_dev->private;
- pr_info("%s enter \n", __func__);
- isp_irq = true;
- wake_up_interruptible(&pdriver_dev->irq_wait);
- if (pisp_dev->isp_mis & MRV_ISP_MIS_FRAME_MASK) {
- if (pisp_dev->wdr.changed) {
- pr_info("%s pisp_dev->wdr.changed %d\n", __func__,
- pisp_dev->wdr.changed);
- isp_s_wdr(pisp_dev);
- }
- if (pisp_dev->flt.changed) {
- pr_info("%s pisp_dev->flt.changed %d\n", __func__,
- pisp_dev->flt.changed);
- isp_s_flt(pisp_dev);
- }
- #ifndef ISP_CPROC_SHD
- if (pisp_dev->cproc.changed) {
- pr_info("%s pisp_dev->cproc.changed %d\n", __func__,
- pisp_dev->cproc.changed);
- isp_s_cproc(pisp_dev);
- }
- #endif
- if (pisp_dev->gamma_out.changed) {
- pr_info("%s pisp_dev->gamma_out.changed %d\n", __func__,
- pisp_dev->gamma_out.changed);
- isp_s_gamma_out(pisp_dev);
- }
- }
- }
- static irqreturn_t vvcam_isp_irq(int irq, void *dev_id)
- {
- struct vvcam_isp_driver_dev *pdriver_dev ;
- struct isp_ic_dev * pisp_dev;
- u32 isp_mis, mi_mis, mi_mis_addr, mi_icr_addr;
- #ifdef ISP_MIV2
- u32 miv2_mis1, miv2_mis3;
- #endif
- #if defined(ISP_MI_PP_READ) || defined (ISP_3DNR_V3) || defined (ISP_MI_PP_WRITE) || defined (ISP_MI_HDR)
- u32 miv2_mis2;
- #endif
- pdriver_dev = (struct vvcam_isp_driver_dev *)dev_id;
- pisp_dev = pdriver_dev->private;
- isp_mis = isp_read_reg(pisp_dev, REG_ADDR(isp_mis));
- #ifdef ISP_MIV2
- mi_icr_addr = REG_ADDR(miv2_icr);
- mi_mis_addr = REG_ADDR(miv2_mis);
- miv2_mis1 = isp_read_reg(pisp_dev, REG_ADDR(miv2_mis1));
- if (miv2_mis1) {
- pr_info("%s mi mis1 0x%08x\n", __func__, miv2_mis1);
- isp_write_reg(pisp_dev, REG_ADDR(miv2_icr1), miv2_mis1);
- }
- miv2_mis3 = isp_read_reg(pisp_dev, REG_ADDR(miv2_mis3));
- if (miv2_mis3) {
- pr_info("%s mi mis3 0x%08x\n", __func__, miv2_mis3);
- isp_write_reg(pisp_dev, REG_ADDR(miv2_icr3), miv2_mis3);
- }
- #elif defined(ISP_MIV1)
- mi_icr_addr = REG_ADDR(mi_icr);
- mi_mis_addr = REG_ADDR(mi_mis);
- #endif
- mi_mis = isp_read_reg(pisp_dev, mi_mis_addr);
- #if defined(ISP_MI_PP_READ) || defined (ISP_3DNR_V3) || defined (ISP_MI_PP_WRITE) || defined (ISP_MI_HDR)
- miv2_mis2 = isp_read_reg(pisp_dev, REG_ADDR(miv2_mis2));
- pr_info("%s isp mis 0x%08x, mi mis 0x%08x post mis 0x%08x\n", __func__, \
- isp_mis, mi_mis, miv2_mis2);
- #else
- pr_info("%s isp mis 0x%08x, mi mis 0x%08x\n", __func__, \
- isp_mis, mi_mis);
- #endif
- if (isp_mis) {
- isp_mis_t mis_data;
- mis_data.irq_src = SRC_ISP_IRQ;
- mis_data.val = isp_mis;
- pisp_dev->isp_mis = isp_mis;
- isp_irq_write_circle_queue(&mis_data, &pisp_dev->circle_list);
- isp_write_reg(pisp_dev, REG_ADDR(isp_icr), isp_mis);
- if(isp_mis & MRV_ISP_ISR_ISP_OFF_MASK)
- isp_write_reg(pisp_dev, REG_ADDR(isp_imsc), isp_mis& (~MRV_ISP_ISR_ISP_OFF_MASK));
- }
- if (mi_mis) {
- isp_mis_t mis_data;
- mis_data.irq_src = SRC_MI_IRQ;
- mis_data.val = mi_mis;
- isp_irq_write_circle_queue(&mis_data, &pisp_dev->circle_list);
- isp_write_reg(pisp_dev, mi_icr_addr, mi_mis);
- }
- #ifdef ISP_MIV2
- if (miv2_mis1) {
- isp_mis_t mis_data;
- mis_data.irq_src = SRC_MI1_IRQ;
- mis_data.val = mi_mis;
- isp_irq_write_circle_queue(&mis_data, &pisp_dev->circle_list);
- isp_write_reg(pisp_dev, mi_icr_addr, mi_mis);
- }
- #endif
- #if defined(ISP_MI_PP_READ) || defined (ISP_3DNR_V3) || defined (ISP_MI_PP_WRITE) || defined (ISP_MI_HDR)
- if (miv2_mis2) {
- isp_mis_t mis_data;
- mis_data.irq_src = SRC_MI2_IRQ;
- mis_data.val = miv2_mis2;
- isp_irq_write_circle_queue(&mis_data, &pisp_dev->circle_list);
- isp_write_reg(pisp_dev, REG_ADDR(miv2_icr2), miv2_mis2);
- }
- #endif
- #if defined(ISP_MI_PP_READ) || defined (ISP_3DNR_V3) || defined (ISP_MI_PP_WRITE) || defined (ISP_MI_HDR)
- if (isp_mis != 0 ||mi_mis != 0 || miv2_mis2 != 0) {
- #else
- if (isp_mis != 0 ||mi_mis != 0 ) {
- #endif
- schedule_work(&pdriver_dev->vvnative_wq);
- } else {
- return IRQ_NONE;
- }
- return IRQ_HANDLED;
- }
- static int vvcam_isp_open(struct inode * inode, struct file * file)
- {
- struct vvcam_isp_driver_dev *pdriver_dev;
- struct isp_ic_dev * pisp_dev;
- pdriver_dev = container_of(inode->i_cdev, struct vvcam_isp_driver_dev, cdev);
- file->private_data = pdriver_dev;
- pisp_dev = pdriver_dev->private;
- /*create circle queue*/
- isp_irq_create_circle_queue(&(pisp_dev->circle_list), QUEUE_NODE_COUNT);
- return 0;
- };
- static long vvcam_isp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
- {
- long ret = 0;
- struct vvcam_isp_driver_dev *pdriver_dev;
- struct isp_ic_dev * pisp_dev;
- pdriver_dev = file->private_data;
- if (pdriver_dev == NULL)
- {
- pr_err("%s:file private is null point error\n", __func__);
- return -ENOMEM;
- }
- pisp_dev = pdriver_dev->private;
- //pr_info("%s:isp[%d] pdriver_dev =0x%px\n", __func__,pdriver_dev->device_idx,pdriver_dev);
- //pr_info("%s:pisp_dev =0x%px\n", __func__,pisp_dev);
- mutex_lock(&pdriver_dev->vvmutex);
- ret = isp_priv_ioctl(pisp_dev, cmd ,(void __user *)arg);
- mutex_unlock(&pdriver_dev->vvmutex);
- return ret;
- };
- static int vvcam_isp_release(struct inode * inode, struct file * file)
- {
- struct vvcam_isp_driver_dev *pdriver_dev;
- struct isp_ic_dev *pisp_dev;
- pdriver_dev = container_of(inode->i_cdev, struct vvcam_isp_driver_dev, cdev);
- file->private_data = pdriver_dev;
- pisp_dev = pdriver_dev->private;
- pr_info("enter %s\n", __func__);
- isp_irq_destroy_circle_queue(&(pisp_dev->circle_list));
- return 0;
- };
- static int vvcam_isp_mmap(struct file *pFile, struct vm_area_struct *vma)
- {
- int ret = 0;
- ulong phy_base_addr = 0;
- unsigned long pfn_start = (phy_base_addr >> PAGE_SHIFT) + vma->vm_pgoff;
- unsigned long size = vma->vm_end - vma->vm_start;
- pr_info("phy: 0x%lx, size: 0x%lx\n", pfn_start << PAGE_SHIFT, size);
- vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
- if (remap_pfn_range(vma, vma->vm_start,pfn_start,size, vma->vm_page_prot))
- {
- pr_err("-->%s: remap_pfn_range error!\n", __func__);
- return -EIO;
- }
- return ret;
- };
- static struct file_operations vvcam_isp_fops = {
- .owner = THIS_MODULE,
- .open = vvcam_isp_open,
- .release = vvcam_isp_release,
- .unlocked_ioctl = vvcam_isp_ioctl,
- .mmap = vvcam_isp_mmap,
- .poll = vvnative_isp_poll,
- };
- static int vvcam_isp_probe(struct platform_device *pdev)
- {
- int ret = 0;
- struct vvcam_isp_driver_dev *pdriver_dev;
- struct isp_ic_dev * pisp_dev;
- struct resource *mem;
- pr_info("enter %s\n", __func__);
- if (pdev->id >= VIVCAM_ISP_MAXCNT)
- {
- pr_err("%s:pdev id is %d error\n", __func__,pdev->id);
- return -EINVAL;
- }
- pdriver_dev = devm_kzalloc(&pdev->dev,sizeof(struct vvcam_isp_driver_dev), GFP_KERNEL);
- if (pdriver_dev == NULL)
- {
- pr_err("%s:alloc struct vvcam_isp_driver_dev error\n", __func__);
- return -ENOMEM;
- }
- memset(pdriver_dev,0,sizeof(struct vvcam_isp_driver_dev ));
- pr_info("%s:isp[%d]: pdriver_dev =0x%px\n", __func__,pdev->id,pdriver_dev);
- pisp_dev = devm_kzalloc(&pdev->dev,sizeof(struct isp_ic_dev), GFP_KERNEL);
- if (pisp_dev == NULL)
- {
- pr_err("%s:alloc struct isp_ic_dev error\n", __func__);
- return -ENOMEM;
- }
- memset(pisp_dev,0,sizeof(struct isp_ic_dev ));
- pr_info("%s:isp[%d]: psensor_dev =0x%px\n", __func__,pdev->id,pisp_dev);
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- pisp_dev->base = devm_ioremap_resource(&pdev->dev, mem);
- pisp_dev->reset = NULL;
- pdriver_dev->private = pisp_dev;
- pdriver_dev->device_idx = pdev->id;
- mutex_init(&pdriver_dev->vvmutex);
- platform_set_drvdata(pdev, pdriver_dev);
- pdriver_dev->irq_num = platform_get_irq(pdev, 0);
- if (devise_register_index == 0)
- {
- /*init work queue*/
- INIT_WORK(&pdriver_dev->vvnative_wq, vvnative_isp_work);
- ret = devm_request_irq(&pdev->dev, pdriver_dev->irq_num, vvcam_isp_irq,
- IRQF_TRIGGER_RISING|IRQF_SHARED, "ISP_IRQ", (char *)pdriver_dev);
- if (ret) {
- pr_err("%s[%d]:request irq error!\n", __func__, __LINE__);
- return ret;
- }
- init_waitqueue_head(&pdriver_dev->irq_wait);
- if (vvcam_isp_major == 0)
- {
- ret = alloc_chrdev_region(&pdriver_dev->devt, 0, VIVCAM_ISP_MAXCNT, VIVCAM_ISP_NAME);
- if (ret != 0)
- {
- pr_err("%s:alloc_chrdev_region error\n", __func__);
- return ret;
- }
- vvcam_isp_major = MAJOR(pdriver_dev->devt);
- vvcam_isp_minor = MINOR(pdriver_dev->devt);
- }
- else
- {
- pdriver_dev->devt = MKDEV(vvcam_isp_major, vvcam_isp_minor);
- ret = register_chrdev_region(pdriver_dev->devt, VIVCAM_ISP_MAXCNT, VIVCAM_ISP_NAME);
- if (ret)
- {
- pr_err("%s:register_chrdev_region error\n", __func__);
- return ret;
- }
- }
- vvcam_isp_class = class_create(THIS_MODULE, VIVCAM_ISP_NAME);
- if (IS_ERR(vvcam_isp_class))
- {
- pr_err("%s[%d]:class_create error!\n", __func__, __LINE__);
- return -EINVAL;
- }
- }
- pdriver_dev->devt = MKDEV(vvcam_isp_major, vvcam_isp_minor + pdev->id);
- cdev_init(&pdriver_dev->cdev, &vvcam_isp_fops);
- ret = cdev_add(&pdriver_dev->cdev, pdriver_dev->devt, 1);
- if ( ret )
- {
- pr_err("%s[%d]:cdev_add error!\n", __func__, __LINE__);
- return ret;
- }
- pdriver_dev->class = vvcam_isp_class;
- device_create(pdriver_dev->class, NULL, pdriver_dev->devt,
- pdriver_dev, "%s%d", VIVCAM_ISP_NAME, pdev->id);
- devise_register_index++;
- pr_info("exit %s\n", __func__);
- return ret;
- }
- static int vvcam_isp_remove(struct platform_device *pdev)
- {
- struct vvcam_isp_driver_dev *pdriver_dev;
- pr_info("enter %s\n", __func__);
- devise_register_index--;
- pdriver_dev = platform_get_drvdata(pdev);
- // free_irq(pdriver_dev->irq_num, pdriver_dev);
- cdev_del(&pdriver_dev->cdev);
- device_destroy(pdriver_dev->class, pdriver_dev->devt);
- unregister_chrdev_region(pdriver_dev->devt, VIVCAM_ISP_MAXCNT);
- if (devise_register_index == 0)
- {
- class_destroy(pdriver_dev->class);
- }
- return 0;
- }
- static struct platform_driver vvcam_isp_driver = {
- .probe = vvcam_isp_probe,
- .remove = vvcam_isp_remove,
- .driver = {
- .name = VIVCAM_ISP_NAME,
- .owner = THIS_MODULE,
- }
- };
- static void vvcam_isp_pdev_release(struct device *dev)
- {
- pr_info("enter %s\n", __func__);
- }
- #ifdef WITH_VVCAM
- static struct resource vvcam_isp0_resource[] = {
- [0] = {
- .start = VVISP0_BASE,
- .end = VVISP0_BASE + ISP_REG_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = VIVCAM_ISP_IRQ_NUMBER,
- .end = VIVCAM_ISP_IRQ_NUMBER,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device vvcam_isp_pdev = {
- .name = VIVCAM_ISP_NAME,
- .id = 0,
- .resource = vvcam_isp0_resource,
- .num_resources = ARRAY_SIZE(vvcam_isp0_resource),
- .dev.release = vvcam_isp_pdev_release,
- };
- #endif
- #ifdef WITH_VVCAM_DUAL
- static struct resource vvcam_isp1_resource[] = {
- [0] = {
- .start = VVISP1_BASE,
- .end = VVISP1_BASE + ISP_REG_SIZE - 1,
- .flags = IORESOURCE_MEM,
- },
- [1] = {
- .start = VIVCAM_ISP_IRQ_NUMBER,
- .end = VIVCAM_ISP_IRQ_NUMBER,
- .flags = IORESOURCE_IRQ,
- },
- };
- static struct platform_device vvcam_isp_dual_pdev = {
- .name = VIVCAM_ISP_NAME,
- .id = 1,
- .resource = vvcam_isp1_resource,
- .num_resources = ARRAY_SIZE(vvcam_isp1_resource),
- .dev.release = vvcam_isp_pdev_release,
- };
- #endif
- static int __init vvcam_isp_init_module(void)
- {
- int ret = 0;
- pr_info("enter %s\n", __func__);
- #ifdef WITH_VVCAM
- ret = platform_device_register(&vvcam_isp_pdev);
- if (ret)
- {
- pr_err("register platform device failed.\n");
- return ret;
- }
- #endif
- #ifdef WITH_VVCAM_DUAL
- ret = platform_device_register(&vvcam_isp_dual_pdev);
- if (ret)
- {
- pr_err("register platform device failed.\n");
- return ret;
- }
- #endif
- ret = platform_driver_register(&vvcam_isp_driver);
- if (ret)
- {
- pr_err("register platform driver failed.\n");
- return ret;
- }
- return ret;
- }
- static void __exit vvcam_isp_exit_module(void)
- {
- pr_info("enter %s\n", __func__);
- platform_driver_unregister(&vvcam_isp_driver);
- #ifdef WITH_VVCAM
- platform_device_unregister(&vvcam_isp_pdev);
- #endif
- #ifdef WITH_VVCAM_DUAL
- platform_device_unregister(&vvcam_isp_dual_pdev);
- #endif
- }
- module_init(vvcam_isp_init_module);
- module_exit(vvcam_isp_exit_module);
- MODULE_DESCRIPTION("ISP");
- MODULE_LICENSE("GPL");
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