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b8a1db839c422a4ef8ae470405e8333f695fc79b
vi-kernel/vvcam/native/flash_led/flash_led_ioctl.c
thead_admin b8a1db839c Linux_SDK_V1.1.2
2023-03-05 22:30:11 +08:00

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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 <linux/module.h>
#include <linux/uaccess.h>
#include <linux/i2c.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/cdev.h>
#include <linux/debugfs.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_gpio.h>
#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include "flash_led_ioctl.h"
#include "flash_led_driver.h"
void frame_irq_cnt_clear(struct flash_led_ctrl *pflash_led_dev);
extern struct flash_led_function_s aw36515_function;
extern struct flash_led_function_s aw36413_function;
static struct flash_led_function_s *floodlight_func = &aw36413_function;
static struct flash_led_function_s *projection_func = &aw36515_function;
#define check_retval(x)\
do {\
if ((x))\
return -EIO;\
} while (0)
/*
static int32_t flash_led_sccb_config(struct flash_led_dev *dev, struct flash_led_sccb_cfg_s *sccb_config)
{
dev->flash_led_sccb_cfg.slave_addr = sccb_config->slave_addr;
dev->flash_led_sccb_cfg.addr_byte = sccb_config->addr_byte;
dev->flash_led_sccb_cfg.data_byte = sccb_config->data_byte;
return 0;
}
*/
static int i2c_write_reg(struct i2c_client *client,unsigned int slave_address,
unsigned int reg_addr,unsigned int reg_length,
unsigned int data, unsigned int data_length)
{
int ret;
unsigned int i;
struct i2c_msg msgs[2];
unsigned char sendbuf[16];
unsigned int send_len = 0;
if (client == NULL)
return -1;
memset(msgs,0,sizeof(msgs));
memset(sendbuf,0,sizeof(sendbuf));
for (i=0; i < reg_length; i++)
{
sendbuf[send_len++] = (reg_addr >> ((reg_length -1 - i)<<3)) & 0xff;
}
for (i=0; i < data_length; i++)
{
sendbuf[send_len++] = (data >> ((data_length -1 - i)<<3)) & 0xff;
}
msgs[0].addr = slave_address;
msgs[0].flags = client->flags & I2C_M_TEN;
msgs[0].len = send_len;
msgs[0].buf = sendbuf;
ret = i2c_transfer(client->adapter, msgs, 1);
if (ret != 1)
{
return -1;
}
return 0;
}
static int i2c_read_reg(struct i2c_client *client,unsigned int slave_address,
unsigned int reg_addr,unsigned int reg_length,
unsigned char * pdata, unsigned int data_length)
{
int ret;
unsigned int i;
struct i2c_msg msgs[2];
unsigned char sendbuf[16];
unsigned int send_len = 0;
unsigned char readbuf[16];
if (client == NULL || pdata == NULL)
return -1;
memset(msgs,0,sizeof(msgs));
memset(sendbuf,0,sizeof(sendbuf));
memset(readbuf,0,sizeof(readbuf));
for (i=0; i < reg_length; i++)
{
sendbuf[send_len++] = (reg_addr >> ((reg_length -1 - i)<<3)) & 0xff;
}
msgs[0].addr = slave_address;
msgs[0].flags = client->flags & I2C_M_TEN;
msgs[0].len = send_len;
msgs[0].buf = sendbuf;
msgs[1].addr = slave_address;
msgs[1].flags = client->flags & I2C_M_TEN;
msgs[1].flags |= I2C_M_RD;
msgs[1].len = data_length;
msgs[1].buf = readbuf;
ret = i2c_transfer(client->adapter, msgs, 2);
if (ret != 2) {
return -1;
}
for (i = 0; i < data_length; i++) {
pdata[i] = readbuf[data_length -1 - i];
}
return 0;
}
int32_t flash_led_i2c_write(struct flash_led_dev *dev, uint32_t address, uint32_t data)
{
int32_t ret = 0;
if((NULL == dev))
{
return -1;
}
ret = i2c_write_reg(dev->i2c_client,dev->flash_led_sccb_cfg.slave_addr,
address,dev->flash_led_sccb_cfg.addr_byte,
data,dev->flash_led_sccb_cfg.data_byte);
if (ret != 0) {
printk("%s error\n", __func__);
}
return ret;
}
int32_t flash_led_i2c_read(struct flash_led_dev *dev, uint32_t address, uint32_t *pdata)
{
int32_t ret = 0;
if((NULL == dev))
{
return -1;
}
ret = i2c_read_reg(dev->i2c_client,dev->flash_led_sccb_cfg.slave_addr,
address, dev->flash_led_sccb_cfg.addr_byte,
(unsigned char *)pdata, dev->flash_led_sccb_cfg.data_byte);
return ret;
}
long flash_led_priv_ioctl(struct flash_led_ctrl *dev, unsigned int cmd, void __user *args)
{
int ret = -1;
flash_bright_cfg_t bright;
flash_led_reg_t reg;
flash_ch_t ch;
flash_mode_t mode;
flash_led_enable_mask_t flash_led;
struct flash_led_dev *floodlight = &dev->floodlight;
struct flash_led_dev *projection = &dev->projection;
if (!dev) {
pr_err("-->%s: null point!\n", __func__);
return ret;
}
switch (cmd) {
case FLASH_LED_IOCTL_ENABLE_CH:
check_retval(copy_from_user(&ch, args, sizeof(ch)));
if (ch.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
ret = floodlight->flash_led_func->enable_channel(floodlight, ch.channel);
} else if (projection->flash_led_func != NULL) {
ret = projection->flash_led_func->enable_channel(projection, ch.channel);
}
break;
case FLASH_LED_IOCTL_DISABLE_CH:
check_retval(copy_from_user(&ch, args, sizeof(ch)));
if (ch.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
ret = floodlight->flash_led_func->disable_channel(floodlight, ch.channel);
} else if (projection->flash_led_func != NULL) {
ret = projection->flash_led_func->disable_channel(projection, ch.channel);
}
break;
case FLASH_LED_IOCTL_SET_MODE:
check_retval(copy_from_user(&mode, args, sizeof(mode)));
if (mode.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
ret = floodlight->flash_led_func->set_mode(floodlight, mode.mode);
} else if (projection->flash_led_func != NULL) {
ret = projection->flash_led_func->set_mode(projection, mode.mode);
}
break;
case FLASH_LED_IOCTL_SET_FLASH_BRIGHT:
check_retval(copy_from_user(&bright, args, sizeof(bright)));
if (bright.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
ret = floodlight->flash_led_func->set_flash_brightness(floodlight, bright.channel, bright.value);
} else if (projection->flash_led_func != NULL) {
ret = projection->flash_led_func->set_flash_brightness(projection, bright.channel, bright.value);
}
break;
case FLASH_LED_IOCTL_SET_TORCH_BRIGHT:
check_retval(copy_from_user(&bright, args, sizeof(bright)));
if (bright.type == FLOODLIGHT && floodlight->flash_led_func != NULL) {
ret = floodlight->flash_led_func->set_torch_brightness(floodlight, bright.channel, bright.value);
} else if (projection->flash_led_func != NULL) {
ret = projection->flash_led_func->set_torch_brightness(projection, bright.channel, bright.value);
}
break;
case FLASH_LED_IOCTL_WRITE_REG:
check_retval(copy_from_user(&reg, args, sizeof(reg)));
if (reg.type == FLOODLIGHT && floodlight->i2c_bus != UNDEFINED_IN_DTS) {
ret = flash_led_i2c_write(floodlight, reg.offset, reg.value);
} else if(projection->i2c_bus != UNDEFINED_IN_DTS) {
ret = flash_led_i2c_write(projection, reg.offset, reg.value);
}
break;
case FLASH_LED_IOCTL_READ_REG:
check_retval(copy_from_user(&reg, args, sizeof(reg)));
if (reg.type == FLOODLIGHT && floodlight->i2c_bus != UNDEFINED_IN_DTS) {
ret = flash_led_i2c_read(floodlight, reg.offset, &reg.value);
} else if(projection->i2c_bus != UNDEFINED_IN_DTS) {
ret = flash_led_i2c_read(projection, reg.offset, &reg.value);
}
check_retval(copy_to_user(args, &reg, sizeof(reg)));
break;
case FLASH_LED_IOCTL_ENABLE:
check_retval(copy_from_user(&flash_led, args, sizeof(flash_led)));
frame_irq_cnt_clear(dev);
dev->enable |= flash_led;
flash_led_switch(dev,0);
ret = 0;
break;
case FLASH_LED_IOCTL_DISABLE:
check_retval(copy_from_user(&flash_led, args, sizeof(flash_led)));
dev->enable &= ~flash_led;
if (flash_led & FLOODLIGHT_EN && floodlight->flash_led_func != NULL) {
floodlight->flash_led_func->disable_channel(floodlight, 3);
}
if (flash_led & PROJECTION_EN && projection->flash_led_func != NULL) {
projection->flash_led_func->disable_channel(projection, 3);
}
ret = 0;
break;
case FLASH_LED_IOCTL_GET_FRAME_MASK_INFO_ADDR: {
unsigned long addr;
addr = dev->frame_mark_info_addr;
pr_info("FLASH_LED_IOCTL_GET_FRAME_MASK_INFO_ADDR 0x%lx\n", addr);
check_retval(copy_to_user(args, &addr, sizeof(addr)));
ret = 0;
}
break;
case FLASH_LED_IOCTL_SET_SWITCH_MODE: {
check_retval(copy_from_user(&dev->switch_mode,args, sizeof(dev->switch_mode)));
pr_info("FLASH_LED_IOCTL_SET_SWITCH_MODE 0x%lx\n", dev->switch_mode);
ret = 0;
}
break;
default:
printk("%s, %d, flash led cmd error, cmd %u\n", __func__, __LINE__, cmd);
return -ENOTTY;
}
return ret;
}
static int register_i2c_client(struct flash_led_dev *dev)
{
struct i2c_adapter *adap;
struct i2c_board_info flash_led_i2c_info = {
.type = "flash_led",
.addr = dev->flash_led_sccb_cfg.slave_addr,
};
if (dev->i2c_bus == UNDEFINED_IN_DTS) {
return 0;
}
flash_led_i2c_info.addr &= 0xff;
adap = i2c_get_adapter(dev->i2c_bus);
if (adap == NULL)
{
pr_err("[%s]:i2c_get_adapter i2c_bus %d failed\n",__func__,dev->i2c_bus);
return -1;
}
strscpy(flash_led_i2c_info.type, dev->flash_led_func->flash_led_name, I2C_NAME_SIZE);
dev->i2c_client = i2c_new_client_device(adap, &flash_led_i2c_info);
i2c_put_adapter(adap);
if (dev->i2c_client == NULL) {
pr_err("[%s]:i2c_new_client_device i2c_bus %d failed\n",__func__,dev->i2c_bus);
return -1;
}
return 0;
}
static void unregister_i2c_client(struct flash_led_dev *dev)
{
i2c_unregister_device(dev->i2c_client);
}
int flash_led_init(struct flash_led_ctrl *dev)
{
int ret = 0;
struct flash_led_dev *floodlight = &dev->floodlight;
struct flash_led_dev *projection = &dev->projection;
floodlight->flash_led_sccb_cfg.slave_addr = dev->device_idx+1;
projection->flash_led_sccb_cfg.slave_addr = dev->device_idx+2;
floodlight->flash_led_func = NULL;
projection->flash_led_func = NULL;
if (floodlight->i2c_bus == UNDEFINED_IN_DTS && projection->i2c_bus == UNDEFINED_IN_DTS) {
pr_warn("%s, %d, flash_led i2c bus invalid\n",__func__, __LINE__);
return -1;
}
dev->switch_mode = BOTH_OFF;
if (floodlight->i2c_bus != UNDEFINED_IN_DTS) {
floodlight->flash_led_func = floodlight_func;
dev->switch_mode = FLOODLIGHT_ALWAYS_ON;
}
if (projection->i2c_bus != UNDEFINED_IN_DTS) {
projection->flash_led_func = projection_func;
dev->switch_mode = dev->switch_mode == FLOODLIGHT_ALWAYS_ON ?
PROJECTION_EVEN_FLOODLIGHT_ODD:PROJECTION_ALWAYS_ON;
}
if (floodlight->i2c_bus == projection->i2c_bus) {
ret = register_i2c_client(floodlight);
if (ret != 0) {
pr_err("[%s]: register_i2c_client flash_led_idx = %d failed\n",__func__, dev->device_idx);
return -1;
}
projection->i2c_client = floodlight->i2c_client;
} else {
if (floodlight->i2c_bus != UNDEFINED_IN_DTS) {
ret = register_i2c_client(floodlight);
if (ret != 0) {
pr_err("[%s]: floodlight register_i2c_client flash_led_idx = %d failed\n",__func__, dev->device_idx);
return -1;
}
}
if (projection->i2c_bus != UNDEFINED_IN_DTS) {
ret = register_i2c_client(projection);
if (ret != 0) {
pr_err("[%s]: projection register_i2c_client flash_led_idx = %d failed\n",__func__, dev->device_idx);
return -1;
}
}
}
pr_info("%s,%d, exit\n", __func__, __LINE__);
return ret;
}
int flash_led_deinit(struct flash_led_ctrl *dev)
{
int ret = 0, err = 0;
struct flash_led_dev *floodlight = &dev->floodlight;
struct flash_led_dev *projection = &dev->projection;
if (floodlight->flash_led_func != NULL) {
ret = floodlight->flash_led_func->uninit(floodlight);
if (ret != 0) {
err |= ret;
}
}
if (projection->flash_led_func != NULL) {
ret = projection->flash_led_func->uninit(projection);
if (ret != 0) {
err |= ret;
}
}
if (floodlight->i2c_bus == projection->i2c_bus) {
unregister_i2c_client(floodlight);
} else {
if (floodlight->i2c_bus != UNDEFINED_IN_DTS) {
unregister_i2c_client(floodlight);
}
if (projection->i2c_bus != UNDEFINED_IN_DTS) {
unregister_i2c_client(projection);
}
}
return err;
}
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