2067 lines
49 KiB
C
2067 lines
49 KiB
C
/*
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* Support for OmniVision OV5693 1080p HD camera sensor.
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*
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* Copyright (c) 2013 Intel Corporation. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version
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* 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*
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*/
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/mm.h>
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#include <linux/string.h>
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#include <linux/errno.h>
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#include <linux/init.h>
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#include <linux/kmod.h>
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#include <linux/device.h>
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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/moduleparam.h>
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#include <media/v4l2-device.h>
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#include <linux/io.h>
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#include <linux/acpi.h>
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#include "../../include/linux/atomisp_gmin_platform.h"
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#include "ov5693.h"
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#include "ad5823.h"
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#define __cci_delay(t) \
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do { \
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if ((t) < 10) { \
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usleep_range((t) * 1000, ((t) + 1) * 1000); \
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} else { \
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msleep((t)); \
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} \
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} while (0)
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/* Value 30ms reached through experimentation on byt ecs.
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* The DS specifies a much lower value but when using a smaller value
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* the I2C bus sometimes locks up permanently when starting the camera.
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* This issue could not be reproduced on cht, so we can reduce the
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* delay value to a lower value when insmod.
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*/
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static uint up_delay = 30;
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module_param(up_delay, uint, 0644);
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MODULE_PARM_DESC(up_delay, "Delay prior to the first CCI transaction for ov5693");
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static int vcm_ad_i2c_wr8(struct i2c_client *client, u8 reg, u8 val)
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{
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int err;
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struct i2c_msg msg;
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u8 buf[2];
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buf[0] = reg;
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buf[1] = val;
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msg.addr = VCM_ADDR;
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msg.flags = 0;
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msg.len = 2;
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msg.buf = &buf[0];
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err = i2c_transfer(client->adapter, &msg, 1);
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if (err != 1) {
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dev_err(&client->dev, "%s: vcm i2c fail, err code = %d\n",
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__func__, err);
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return -EIO;
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}
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return 0;
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}
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static int ad5823_i2c_write(struct i2c_client *client, u8 reg, u8 val)
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{
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struct i2c_msg msg;
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u8 buf[2];
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buf[0] = reg;
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buf[1] = val;
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msg.addr = AD5823_VCM_ADDR;
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msg.flags = 0;
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msg.len = 0x02;
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msg.buf = &buf[0];
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if (i2c_transfer(client->adapter, &msg, 1) != 1)
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return -EIO;
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return 0;
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}
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static int ad5823_i2c_read(struct i2c_client *client, u8 reg, u8 *val)
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{
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struct i2c_msg msg[2];
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u8 buf[2];
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buf[0] = reg;
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buf[1] = 0;
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msg[0].addr = AD5823_VCM_ADDR;
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msg[0].flags = 0;
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msg[0].len = 0x01;
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msg[0].buf = &buf[0];
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msg[1].addr = 0x0c;
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msg[1].flags = I2C_M_RD;
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msg[1].len = 0x01;
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msg[1].buf = &buf[1];
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*val = 0;
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if (i2c_transfer(client->adapter, msg, 2) != 2)
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return -EIO;
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*val = buf[1];
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return 0;
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}
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static const uint32_t ov5693_embedded_effective_size = 28;
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/* i2c read/write stuff */
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static int ov5693_read_reg(struct i2c_client *client,
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u16 data_length, u16 reg, u16 *val)
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{
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int err;
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struct i2c_msg msg[2];
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unsigned char data[6];
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if (!client->adapter) {
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dev_err(&client->dev, "%s error, no client->adapter\n",
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__func__);
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return -ENODEV;
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}
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if (data_length != OV5693_8BIT && data_length != OV5693_16BIT
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&& data_length != OV5693_32BIT) {
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dev_err(&client->dev, "%s error, invalid data length\n",
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__func__);
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return -EINVAL;
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}
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memset(msg, 0 , sizeof(msg));
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msg[0].addr = client->addr;
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msg[0].flags = 0;
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msg[0].len = I2C_MSG_LENGTH;
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msg[0].buf = data;
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/* high byte goes out first */
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data[0] = (u8)(reg >> 8);
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data[1] = (u8)(reg & 0xff);
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msg[1].addr = client->addr;
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msg[1].len = data_length;
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msg[1].flags = I2C_M_RD;
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msg[1].buf = data;
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err = i2c_transfer(client->adapter, msg, 2);
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if (err != 2) {
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if (err >= 0)
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err = -EIO;
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dev_err(&client->dev,
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"read from offset 0x%x error %d", reg, err);
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return err;
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}
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*val = 0;
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/* high byte comes first */
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if (data_length == OV5693_8BIT)
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*val = (u8)data[0];
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else if (data_length == OV5693_16BIT)
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*val = be16_to_cpu(*(u16 *)&data[0]);
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else
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*val = be32_to_cpu(*(u32 *)&data[0]);
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return 0;
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}
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static int ov5693_i2c_write(struct i2c_client *client, u16 len, u8 *data)
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{
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struct i2c_msg msg;
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const int num_msg = 1;
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int ret;
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msg.addr = client->addr;
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msg.flags = 0;
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msg.len = len;
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msg.buf = data;
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ret = i2c_transfer(client->adapter, &msg, 1);
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return ret == num_msg ? 0 : -EIO;
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}
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static int vcm_dw_i2c_write(struct i2c_client *client, u16 data)
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{
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struct i2c_msg msg;
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const int num_msg = 1;
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int ret;
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u16 val;
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val = cpu_to_be16(data);
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msg.addr = VCM_ADDR;
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msg.flags = 0;
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msg.len = OV5693_16BIT;
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msg.buf = (u8 *)&val;
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ret = i2c_transfer(client->adapter, &msg, 1);
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return ret == num_msg ? 0 : -EIO;
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}
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/* Theory: per datasheet, the two VCMs both allow for a 2-byte read.
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* The DW9714 doesn't actually specify what this does (it has a
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* two-byte write-only protocol, but specifies the read sequence as
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* legal), but it returns the same data (zeroes) always, after an
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* undocumented initial NAK. The AD5823 has a one-byte address
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* register to which all writes go, and subsequent reads will cycle
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* through the 8 bytes of registers. Notably, the default values (the
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* device is always power-cycled affirmatively, so we can rely on
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* these) in AD5823 are not pairwise repetitions of the same 16 bit
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* word. So all we have to do is sequentially read two bytes at a
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* time and see if we detect a difference in any of the first four
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* pairs. */
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static int vcm_detect(struct i2c_client *client)
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{
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int i, ret;
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struct i2c_msg msg;
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u16 data0 = 0, data;
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for (i = 0; i < 4; i++) {
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msg.addr = VCM_ADDR;
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msg.flags = I2C_M_RD;
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msg.len = sizeof(data);
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msg.buf = (u8 *)&data;
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ret = i2c_transfer(client->adapter, &msg, 1);
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/* DW9714 always fails the first read and returns
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* zeroes for subsequent ones */
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if (i == 0 && ret == -EREMOTEIO) {
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data0 = 0;
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continue;
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}
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if (i == 0)
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data0 = data;
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if (data != data0)
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return VCM_AD5823;
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}
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return ret == 1 ? VCM_DW9714 : ret;
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}
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static int ov5693_write_reg(struct i2c_client *client, u16 data_length,
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u16 reg, u16 val)
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{
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int ret;
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unsigned char data[4] = {0};
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u16 *wreg = (u16 *)data;
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const u16 len = data_length + sizeof(u16); /* 16-bit address + data */
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if (data_length != OV5693_8BIT && data_length != OV5693_16BIT) {
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dev_err(&client->dev,
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"%s error, invalid data_length\n", __func__);
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return -EINVAL;
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}
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/* high byte goes out first */
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*wreg = cpu_to_be16(reg);
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if (data_length == OV5693_8BIT) {
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data[2] = (u8)(val);
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} else {
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/* OV5693_16BIT */
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u16 *wdata = (u16 *)&data[2];
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*wdata = cpu_to_be16(val);
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}
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ret = ov5693_i2c_write(client, len, data);
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if (ret)
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dev_err(&client->dev,
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"write error: wrote 0x%x to offset 0x%x error %d",
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val, reg, ret);
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return ret;
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}
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/*
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* ov5693_write_reg_array - Initializes a list of OV5693 registers
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* @client: i2c driver client structure
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* @reglist: list of registers to be written
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*
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* This function initializes a list of registers. When consecutive addresses
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* are found in a row on the list, this function creates a buffer and sends
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* consecutive data in a single i2c_transfer().
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*
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* __ov5693_flush_reg_array, __ov5693_buf_reg_array() and
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* __ov5693_write_reg_is_consecutive() are internal functions to
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* ov5693_write_reg_array_fast() and should be not used anywhere else.
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*
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*/
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static int __ov5693_flush_reg_array(struct i2c_client *client,
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struct ov5693_write_ctrl *ctrl)
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{
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u16 size;
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if (ctrl->index == 0)
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return 0;
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size = sizeof(u16) + ctrl->index; /* 16-bit address + data */
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ctrl->buffer.addr = cpu_to_be16(ctrl->buffer.addr);
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ctrl->index = 0;
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return ov5693_i2c_write(client, size, (u8 *)&ctrl->buffer);
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}
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static int __ov5693_buf_reg_array(struct i2c_client *client,
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struct ov5693_write_ctrl *ctrl,
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const struct ov5693_reg *next)
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{
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int size;
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u16 *data16;
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switch (next->type) {
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case OV5693_8BIT:
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size = 1;
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ctrl->buffer.data[ctrl->index] = (u8)next->val;
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break;
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case OV5693_16BIT:
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size = 2;
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data16 = (u16 *)&ctrl->buffer.data[ctrl->index];
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*data16 = cpu_to_be16((u16)next->val);
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break;
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default:
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return -EINVAL;
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}
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/* When first item is added, we need to store its starting address */
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if (ctrl->index == 0)
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ctrl->buffer.addr = next->reg;
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ctrl->index += size;
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/*
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* Buffer cannot guarantee free space for u32? Better flush it to avoid
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* possible lack of memory for next item.
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*/
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if (ctrl->index + sizeof(u16) >= OV5693_MAX_WRITE_BUF_SIZE)
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return __ov5693_flush_reg_array(client, ctrl);
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return 0;
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}
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static int __ov5693_write_reg_is_consecutive(struct i2c_client *client,
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struct ov5693_write_ctrl *ctrl,
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const struct ov5693_reg *next)
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{
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if (ctrl->index == 0)
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return 1;
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return ctrl->buffer.addr + ctrl->index == next->reg;
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}
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static int ov5693_write_reg_array(struct i2c_client *client,
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const struct ov5693_reg *reglist)
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{
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const struct ov5693_reg *next = reglist;
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struct ov5693_write_ctrl ctrl;
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int err;
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ctrl.index = 0;
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for (; next->type != OV5693_TOK_TERM; next++) {
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switch (next->type & OV5693_TOK_MASK) {
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case OV5693_TOK_DELAY:
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err = __ov5693_flush_reg_array(client, &ctrl);
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if (err)
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return err;
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msleep(next->val);
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break;
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default:
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/*
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* If next address is not consecutive, data needs to be
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* flushed before proceed.
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*/
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if (!__ov5693_write_reg_is_consecutive(client, &ctrl,
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next)) {
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err = __ov5693_flush_reg_array(client, &ctrl);
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if (err)
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return err;
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}
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err = __ov5693_buf_reg_array(client, &ctrl, next);
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if (err) {
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dev_err(&client->dev,
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"%s: write error, aborted\n",
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__func__);
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return err;
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}
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break;
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}
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}
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return __ov5693_flush_reg_array(client, &ctrl);
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}
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static int ov5693_g_focal(struct v4l2_subdev *sd, s32 *val)
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{
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*val = (OV5693_FOCAL_LENGTH_NUM << 16) | OV5693_FOCAL_LENGTH_DEM;
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return 0;
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}
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static int ov5693_g_fnumber(struct v4l2_subdev *sd, s32 *val)
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{
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/*const f number for imx*/
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*val = (OV5693_F_NUMBER_DEFAULT_NUM << 16) | OV5693_F_NUMBER_DEM;
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return 0;
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}
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static int ov5693_g_fnumber_range(struct v4l2_subdev *sd, s32 *val)
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{
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*val = (OV5693_F_NUMBER_DEFAULT_NUM << 24) |
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(OV5693_F_NUMBER_DEM << 16) |
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(OV5693_F_NUMBER_DEFAULT_NUM << 8) | OV5693_F_NUMBER_DEM;
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return 0;
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}
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static int ov5693_g_bin_factor_x(struct v4l2_subdev *sd, s32 *val)
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{
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struct ov5693_device *dev = to_ov5693_sensor(sd);
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*val = ov5693_res[dev->fmt_idx].bin_factor_x;
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return 0;
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}
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static int ov5693_g_bin_factor_y(struct v4l2_subdev *sd, s32 *val)
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{
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struct ov5693_device *dev = to_ov5693_sensor(sd);
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*val = ov5693_res[dev->fmt_idx].bin_factor_y;
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return 0;
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}
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static int ov5693_get_intg_factor(struct i2c_client *client,
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struct camera_mipi_info *info,
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const struct ov5693_resolution *res)
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{
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struct v4l2_subdev *sd = i2c_get_clientdata(client);
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struct ov5693_device *dev = to_ov5693_sensor(sd);
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struct atomisp_sensor_mode_data *buf = &info->data;
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unsigned int pix_clk_freq_hz;
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u16 reg_val;
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int ret;
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if (info == NULL)
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return -EINVAL;
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/* pixel clock */
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pix_clk_freq_hz = res->pix_clk_freq * 1000000;
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dev->vt_pix_clk_freq_mhz = pix_clk_freq_hz;
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buf->vt_pix_clk_freq_mhz = pix_clk_freq_hz;
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/* get integration time */
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buf->coarse_integration_time_min = OV5693_COARSE_INTG_TIME_MIN;
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buf->coarse_integration_time_max_margin =
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OV5693_COARSE_INTG_TIME_MAX_MARGIN;
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buf->fine_integration_time_min = OV5693_FINE_INTG_TIME_MIN;
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buf->fine_integration_time_max_margin =
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OV5693_FINE_INTG_TIME_MAX_MARGIN;
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buf->fine_integration_time_def = OV5693_FINE_INTG_TIME_MIN;
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buf->frame_length_lines = res->lines_per_frame;
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buf->line_length_pck = res->pixels_per_line;
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buf->read_mode = res->bin_mode;
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/* get the cropping and output resolution to ISP for this mode. */
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ret = ov5693_read_reg(client, OV5693_16BIT,
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OV5693_HORIZONTAL_START_H, ®_val);
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if (ret)
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return ret;
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buf->crop_horizontal_start = reg_val;
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ret = ov5693_read_reg(client, OV5693_16BIT,
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OV5693_VERTICAL_START_H, ®_val);
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if (ret)
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return ret;
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buf->crop_vertical_start = reg_val;
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ret = ov5693_read_reg(client, OV5693_16BIT,
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OV5693_HORIZONTAL_END_H, ®_val);
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if (ret)
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return ret;
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buf->crop_horizontal_end = reg_val;
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ret = ov5693_read_reg(client, OV5693_16BIT,
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OV5693_VERTICAL_END_H, ®_val);
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if (ret)
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return ret;
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buf->crop_vertical_end = reg_val;
|
|
|
|
ret = ov5693_read_reg(client, OV5693_16BIT,
|
|
OV5693_HORIZONTAL_OUTPUT_SIZE_H, ®_val);
|
|
if (ret)
|
|
return ret;
|
|
buf->output_width = reg_val;
|
|
|
|
ret = ov5693_read_reg(client, OV5693_16BIT,
|
|
OV5693_VERTICAL_OUTPUT_SIZE_H, ®_val);
|
|
if (ret)
|
|
return ret;
|
|
buf->output_height = reg_val;
|
|
|
|
buf->binning_factor_x = res->bin_factor_x ?
|
|
res->bin_factor_x : 1;
|
|
buf->binning_factor_y = res->bin_factor_y ?
|
|
res->bin_factor_y : 1;
|
|
return 0;
|
|
}
|
|
|
|
static long __ov5693_set_exposure(struct v4l2_subdev *sd, int coarse_itg,
|
|
int gain, int digitgain)
|
|
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
u16 vts, hts;
|
|
int ret, exp_val;
|
|
|
|
hts = ov5693_res[dev->fmt_idx].pixels_per_line;
|
|
vts = ov5693_res[dev->fmt_idx].lines_per_frame;
|
|
/*If coarse_itg is larger than 1<<15, can not write to reg directly.
|
|
The way is to write coarse_itg/2 to the reg, meanwhile write 2*hts
|
|
to the reg. */
|
|
if (coarse_itg > (1 << 15)) {
|
|
hts = hts * 2;
|
|
coarse_itg = (int)coarse_itg / 2;
|
|
}
|
|
/* group hold */
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_GROUP_ACCESS, 0x00);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_GROUP_ACCESS);
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_TIMING_HTS_H, (hts >> 8) & 0xFF);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_TIMING_HTS_H);
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_TIMING_HTS_L, hts & 0xFF);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_TIMING_HTS_L);
|
|
return ret;
|
|
}
|
|
/* Increase the VTS to match exposure + MARGIN */
|
|
if (coarse_itg > vts - OV5693_INTEGRATION_TIME_MARGIN)
|
|
vts = (u16) coarse_itg + OV5693_INTEGRATION_TIME_MARGIN;
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_TIMING_VTS_H, (vts >> 8) & 0xFF);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_TIMING_VTS_H);
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_TIMING_VTS_L, vts & 0xFF);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_TIMING_VTS_L);
|
|
return ret;
|
|
}
|
|
|
|
/* set exposure */
|
|
|
|
/* Lower four bit should be 0*/
|
|
exp_val = coarse_itg << 4;
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_EXPOSURE_L, exp_val & 0xFF);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_EXPOSURE_L);
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_EXPOSURE_M, (exp_val >> 8) & 0xFF);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_EXPOSURE_M);
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_EXPOSURE_H, (exp_val >> 16) & 0x0F);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_EXPOSURE_H);
|
|
return ret;
|
|
}
|
|
|
|
/* Analog gain */
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_AGC_L, gain & 0xff);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_AGC_L);
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_AGC_H, (gain >> 8) & 0xff);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_AGC_H);
|
|
return ret;
|
|
}
|
|
|
|
/* Digital gain */
|
|
if (digitgain) {
|
|
ret = ov5693_write_reg(client, OV5693_16BIT,
|
|
OV5693_MWB_RED_GAIN_H, digitgain);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_MWB_RED_GAIN_H);
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg(client, OV5693_16BIT,
|
|
OV5693_MWB_GREEN_GAIN_H, digitgain);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_MWB_RED_GAIN_H);
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg(client, OV5693_16BIT,
|
|
OV5693_MWB_BLUE_GAIN_H, digitgain);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: write %x error, aborted\n",
|
|
__func__, OV5693_MWB_RED_GAIN_H);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
/* End group */
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_GROUP_ACCESS, 0x10);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* Delay launch group */
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_GROUP_ACCESS, 0xa0);
|
|
if (ret)
|
|
return ret;
|
|
return ret;
|
|
}
|
|
|
|
static int ov5693_set_exposure(struct v4l2_subdev *sd, int exposure,
|
|
int gain, int digitgain)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
int ret;
|
|
|
|
mutex_lock(&dev->input_lock);
|
|
ret = __ov5693_set_exposure(sd, exposure, gain, digitgain);
|
|
mutex_unlock(&dev->input_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static long ov5693_s_exposure(struct v4l2_subdev *sd,
|
|
struct atomisp_exposure *exposure)
|
|
{
|
|
u16 coarse_itg = exposure->integration_time[0];
|
|
u16 analog_gain = exposure->gain[0];
|
|
u16 digital_gain = exposure->gain[1];
|
|
|
|
/* we should not accept the invalid value below */
|
|
if (analog_gain == 0) {
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
v4l2_err(client, "%s: invalid value\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
return ov5693_set_exposure(sd, coarse_itg, analog_gain, digital_gain);
|
|
}
|
|
|
|
static int ov5693_read_otp_reg_array(struct i2c_client *client, u16 size,
|
|
u16 addr, u8 * buf)
|
|
{
|
|
u16 index;
|
|
int ret;
|
|
u16 *pVal = NULL;
|
|
|
|
for (index = 0; index <= size; index++) {
|
|
pVal = (u16 *) (buf + index);
|
|
ret =
|
|
ov5693_read_reg(client, OV5693_8BIT, addr + index,
|
|
pVal);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int __ov5693_otp_read(struct v4l2_subdev *sd, u8 * buf)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
int ret;
|
|
int i;
|
|
u8 *b = buf;
|
|
dev->otp_size = 0;
|
|
for (i = 1; i < OV5693_OTP_BANK_MAX; i++) {
|
|
/*set bank NO and OTP read mode. */
|
|
ret = ov5693_write_reg(client, OV5693_8BIT, OV5693_OTP_BANK_REG, (i | 0xc0)); //[7:6] 2'b11 [5:0] bank no
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to prepare OTP page\n");
|
|
return ret;
|
|
}
|
|
//pr_debug("write 0x%x->0x%x\n",OV5693_OTP_BANK_REG,(i|0xc0));
|
|
|
|
/*enable read */
|
|
ret = ov5693_write_reg(client, OV5693_8BIT, OV5693_OTP_READ_REG, OV5693_OTP_MODE_READ); // enable :1
|
|
if (ret) {
|
|
dev_err(&client->dev,
|
|
"failed to set OTP reading mode page");
|
|
return ret;
|
|
}
|
|
//pr_debug("write 0x%x->0x%x\n",OV5693_OTP_READ_REG,OV5693_OTP_MODE_READ);
|
|
|
|
/* Reading the OTP data array */
|
|
ret = ov5693_read_otp_reg_array(client, OV5693_OTP_BANK_SIZE,
|
|
OV5693_OTP_START_ADDR,
|
|
b);
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to read OTP data\n");
|
|
return ret;
|
|
}
|
|
|
|
//pr_debug("BANK[%2d] %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x %02x\n", i, *b, *(b+1), *(b+2), *(b+3), *(b+4), *(b+5), *(b+6), *(b+7), *(b+8), *(b+9), *(b+10), *(b+11), *(b+12), *(b+13), *(b+14), *(b+15));
|
|
|
|
//Intel OTP map, try to read 320byts first.
|
|
if (21 == i) {
|
|
if ((*b) == 0) {
|
|
dev->otp_size = 320;
|
|
break;
|
|
} else {
|
|
b = buf;
|
|
continue;
|
|
}
|
|
} else if (24 == i) { //if the first 320bytes data doesn't not exist, try to read the next 32bytes data.
|
|
if ((*b) == 0) {
|
|
dev->otp_size = 32;
|
|
break;
|
|
} else {
|
|
b = buf;
|
|
continue;
|
|
}
|
|
} else if (27 == i) { //if the prvious 32bytes data doesn't exist, try to read the next 32bytes data again.
|
|
if ((*b) == 0) {
|
|
dev->otp_size = 32;
|
|
break;
|
|
} else {
|
|
dev->otp_size = 0; // no OTP data.
|
|
break;
|
|
}
|
|
}
|
|
|
|
b = b + OV5693_OTP_BANK_SIZE;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Read otp data and store it into a kmalloced buffer.
|
|
* The caller must kfree the buffer when no more needed.
|
|
* @size: set to the size of the returned otp data.
|
|
*/
|
|
static void *ov5693_otp_read(struct v4l2_subdev *sd)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
u8 *buf;
|
|
int ret;
|
|
|
|
buf = devm_kzalloc(&client->dev, (OV5693_OTP_DATA_SIZE + 16), GFP_KERNEL);
|
|
if (!buf)
|
|
return ERR_PTR(-ENOMEM);
|
|
|
|
//otp valid after mipi on and sw stream on
|
|
ret = ov5693_write_reg(client, OV5693_8BIT, OV5693_FRAME_OFF_NUM, 0x00);
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_SW_STREAM, OV5693_START_STREAMING);
|
|
|
|
ret = __ov5693_otp_read(sd, buf);
|
|
|
|
//mipi off and sw stream off after otp read
|
|
ret = ov5693_write_reg(client, OV5693_8BIT, OV5693_FRAME_OFF_NUM, 0x0f);
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_SW_STREAM, OV5693_STOP_STREAMING);
|
|
|
|
/* Driver has failed to find valid data */
|
|
if (ret) {
|
|
dev_err(&client->dev, "sensor found no valid OTP data\n");
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
return buf;
|
|
}
|
|
|
|
static int ov5693_g_priv_int_data(struct v4l2_subdev *sd,
|
|
struct v4l2_private_int_data *priv)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
u8 __user *to = priv->data;
|
|
u32 read_size = priv->size;
|
|
int ret;
|
|
|
|
/* No need to copy data if size is 0 */
|
|
if (!read_size)
|
|
goto out;
|
|
|
|
if (IS_ERR(dev->otp_data)) {
|
|
dev_err(&client->dev, "OTP data not available");
|
|
return PTR_ERR(dev->otp_data);
|
|
}
|
|
|
|
/* Correct read_size value only if bigger than maximum */
|
|
if (read_size > OV5693_OTP_DATA_SIZE)
|
|
read_size = OV5693_OTP_DATA_SIZE;
|
|
|
|
ret = copy_to_user(to, dev->otp_data, read_size);
|
|
if (ret) {
|
|
dev_err(&client->dev, "%s: failed to copy OTP data to user\n",
|
|
__func__);
|
|
return -EFAULT;
|
|
}
|
|
|
|
pr_debug("%s read_size:%d\n", __func__, read_size);
|
|
|
|
out:
|
|
/* Return correct size */
|
|
priv->size = dev->otp_size;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
static long ov5693_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
|
|
{
|
|
|
|
switch (cmd) {
|
|
case ATOMISP_IOC_S_EXPOSURE:
|
|
return ov5693_s_exposure(sd, arg);
|
|
case ATOMISP_IOC_G_SENSOR_PRIV_INT_DATA:
|
|
return ov5693_g_priv_int_data(sd, arg);
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/* This returns the exposure time being used. This should only be used
|
|
for filling in EXIF data, not for actual image processing. */
|
|
static int ov5693_q_exposure(struct v4l2_subdev *sd, s32 *value)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
u16 reg_v, reg_v2;
|
|
int ret;
|
|
|
|
/* get exposure */
|
|
ret = ov5693_read_reg(client, OV5693_8BIT,
|
|
OV5693_EXPOSURE_L,
|
|
®_v);
|
|
if (ret)
|
|
goto err;
|
|
|
|
ret = ov5693_read_reg(client, OV5693_8BIT,
|
|
OV5693_EXPOSURE_M,
|
|
®_v2);
|
|
if (ret)
|
|
goto err;
|
|
|
|
reg_v += reg_v2 << 8;
|
|
ret = ov5693_read_reg(client, OV5693_8BIT,
|
|
OV5693_EXPOSURE_H,
|
|
®_v2);
|
|
if (ret)
|
|
goto err;
|
|
|
|
*value = reg_v + (((u32)reg_v2 << 16));
|
|
err:
|
|
return ret;
|
|
}
|
|
|
|
int ad5823_t_focus_vcm(struct v4l2_subdev *sd, u16 val)
|
|
{
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret = -EINVAL;
|
|
u8 vcm_code;
|
|
|
|
ret = ad5823_i2c_read(client, AD5823_REG_VCM_CODE_MSB, &vcm_code);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* set reg VCM_CODE_MSB Bit[1:0] */
|
|
vcm_code = (vcm_code & VCM_CODE_MSB_MASK) |
|
|
((val >> 8) & ~VCM_CODE_MSB_MASK);
|
|
ret = ad5823_i2c_write(client, AD5823_REG_VCM_CODE_MSB, vcm_code);
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* set reg VCM_CODE_LSB Bit[7:0] */
|
|
ret = ad5823_i2c_write(client, AD5823_REG_VCM_CODE_LSB, (val & 0xff));
|
|
if (ret)
|
|
return ret;
|
|
|
|
/* set required vcm move time */
|
|
vcm_code = AD5823_RESONANCE_PERIOD / AD5823_RESONANCE_COEF
|
|
- AD5823_HIGH_FREQ_RANGE;
|
|
ret = ad5823_i2c_write(client, AD5823_REG_VCM_MOVE_TIME, vcm_code);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int ad5823_t_focus_abs(struct v4l2_subdev *sd, s32 value)
|
|
{
|
|
int ret;
|
|
|
|
value = min(value, AD5823_MAX_FOCUS_POS);
|
|
ret = ad5823_t_focus_vcm(sd, value);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ov5693_t_focus_abs(struct v4l2_subdev *sd, s32 value)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret = 0;
|
|
|
|
dev_dbg(&client->dev, "%s: FOCUS_POS: 0x%x\n", __func__, value);
|
|
value = clamp(value, 0, OV5693_VCM_MAX_FOCUS_POS);
|
|
if (dev->vcm == VCM_DW9714) {
|
|
if (dev->vcm_update) {
|
|
ret = vcm_dw_i2c_write(client, VCM_PROTECTION_OFF);
|
|
if (ret)
|
|
return ret;
|
|
ret = vcm_dw_i2c_write(client, DIRECT_VCM);
|
|
if (ret)
|
|
return ret;
|
|
ret = vcm_dw_i2c_write(client, VCM_PROTECTION_ON);
|
|
if (ret)
|
|
return ret;
|
|
dev->vcm_update = false;
|
|
}
|
|
ret = vcm_dw_i2c_write(client,
|
|
vcm_val(value, VCM_DEFAULT_S));
|
|
} else if (dev->vcm == VCM_AD5823) {
|
|
ad5823_t_focus_abs(sd, value);
|
|
}
|
|
if (ret == 0) {
|
|
dev->number_of_steps = value - dev->focus;
|
|
dev->focus = value;
|
|
getnstimeofday(&(dev->timestamp_t_focus_abs));
|
|
} else
|
|
dev_err(&client->dev,
|
|
"%s: i2c failed. ret %d\n", __func__, ret);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ov5693_t_focus_rel(struct v4l2_subdev *sd, s32 value)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
return ov5693_t_focus_abs(sd, dev->focus + value);
|
|
}
|
|
|
|
#define DELAY_PER_STEP_NS 1000000
|
|
#define DELAY_MAX_PER_STEP_NS (1000000 * 1023)
|
|
static int ov5693_q_focus_status(struct v4l2_subdev *sd, s32 *value)
|
|
{
|
|
u32 status = 0;
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct timespec temptime;
|
|
const struct timespec timedelay = {
|
|
0,
|
|
min((u32)abs(dev->number_of_steps) * DELAY_PER_STEP_NS,
|
|
(u32)DELAY_MAX_PER_STEP_NS),
|
|
};
|
|
|
|
getnstimeofday(&temptime);
|
|
temptime = timespec_sub(temptime, (dev->timestamp_t_focus_abs));
|
|
if (timespec_compare(&temptime, &timedelay) <= 0) {
|
|
status |= ATOMISP_FOCUS_STATUS_MOVING;
|
|
status |= ATOMISP_FOCUS_HP_IN_PROGRESS;
|
|
} else {
|
|
status |= ATOMISP_FOCUS_STATUS_ACCEPTS_NEW_MOVE;
|
|
status |= ATOMISP_FOCUS_HP_COMPLETE;
|
|
}
|
|
|
|
*value = status;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_q_focus_abs(struct v4l2_subdev *sd, s32 *value)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
s32 val;
|
|
|
|
ov5693_q_focus_status(sd, &val);
|
|
|
|
if (val & ATOMISP_FOCUS_STATUS_MOVING)
|
|
*value = dev->focus - dev->number_of_steps;
|
|
else
|
|
*value = dev->focus;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_t_vcm_slew(struct v4l2_subdev *sd, s32 value)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
dev->number_of_steps = value;
|
|
dev->vcm_update = true;
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_t_vcm_timing(struct v4l2_subdev *sd, s32 value)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
dev->number_of_steps = value;
|
|
dev->vcm_update = true;
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_s_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct ov5693_device *dev =
|
|
container_of(ctrl->handler, struct ov5693_device, ctrl_handler);
|
|
struct i2c_client *client = v4l2_get_subdevdata(&dev->sd);
|
|
int ret = 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_FOCUS_ABSOLUTE:
|
|
dev_dbg(&client->dev, "%s: CID_FOCUS_ABSOLUTE:%d.\n",
|
|
__func__, ctrl->val);
|
|
ret = ov5693_t_focus_abs(&dev->sd, ctrl->val);
|
|
break;
|
|
case V4L2_CID_FOCUS_RELATIVE:
|
|
dev_dbg(&client->dev, "%s: CID_FOCUS_RELATIVE:%d.\n",
|
|
__func__, ctrl->val);
|
|
ret = ov5693_t_focus_rel(&dev->sd, ctrl->val);
|
|
break;
|
|
case V4L2_CID_VCM_SLEW:
|
|
ret = ov5693_t_vcm_slew(&dev->sd, ctrl->val);
|
|
break;
|
|
case V4L2_CID_VCM_TIMEING:
|
|
ret = ov5693_t_vcm_timing(&dev->sd, ctrl->val);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int ov5693_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
|
|
{
|
|
struct ov5693_device *dev =
|
|
container_of(ctrl->handler, struct ov5693_device, ctrl_handler);
|
|
int ret = 0;
|
|
|
|
switch (ctrl->id) {
|
|
case V4L2_CID_EXPOSURE_ABSOLUTE:
|
|
ret = ov5693_q_exposure(&dev->sd, &ctrl->val);
|
|
break;
|
|
case V4L2_CID_FOCAL_ABSOLUTE:
|
|
ret = ov5693_g_focal(&dev->sd, &ctrl->val);
|
|
break;
|
|
case V4L2_CID_FNUMBER_ABSOLUTE:
|
|
ret = ov5693_g_fnumber(&dev->sd, &ctrl->val);
|
|
break;
|
|
case V4L2_CID_FNUMBER_RANGE:
|
|
ret = ov5693_g_fnumber_range(&dev->sd, &ctrl->val);
|
|
break;
|
|
case V4L2_CID_FOCUS_ABSOLUTE:
|
|
ret = ov5693_q_focus_abs(&dev->sd, &ctrl->val);
|
|
break;
|
|
case V4L2_CID_FOCUS_STATUS:
|
|
ret = ov5693_q_focus_status(&dev->sd, &ctrl->val);
|
|
break;
|
|
case V4L2_CID_BIN_FACTOR_HORZ:
|
|
ret = ov5693_g_bin_factor_x(&dev->sd, &ctrl->val);
|
|
break;
|
|
case V4L2_CID_BIN_FACTOR_VERT:
|
|
ret = ov5693_g_bin_factor_y(&dev->sd, &ctrl->val);
|
|
break;
|
|
default:
|
|
ret = -EINVAL;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static const struct v4l2_ctrl_ops ctrl_ops = {
|
|
.s_ctrl = ov5693_s_ctrl,
|
|
.g_volatile_ctrl = ov5693_g_volatile_ctrl
|
|
};
|
|
|
|
struct v4l2_ctrl_config ov5693_controls[] = {
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_EXPOSURE_ABSOLUTE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "exposure",
|
|
.min = 0x0,
|
|
.max = 0xffff,
|
|
.step = 0x01,
|
|
.def = 0x00,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_FOCAL_ABSOLUTE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "focal length",
|
|
.min = OV5693_FOCAL_LENGTH_DEFAULT,
|
|
.max = OV5693_FOCAL_LENGTH_DEFAULT,
|
|
.step = 0x01,
|
|
.def = OV5693_FOCAL_LENGTH_DEFAULT,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_FNUMBER_ABSOLUTE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "f-number",
|
|
.min = OV5693_F_NUMBER_DEFAULT,
|
|
.max = OV5693_F_NUMBER_DEFAULT,
|
|
.step = 0x01,
|
|
.def = OV5693_F_NUMBER_DEFAULT,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_FNUMBER_RANGE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "f-number range",
|
|
.min = OV5693_F_NUMBER_RANGE,
|
|
.max = OV5693_F_NUMBER_RANGE,
|
|
.step = 0x01,
|
|
.def = OV5693_F_NUMBER_RANGE,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_FOCUS_ABSOLUTE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "focus move absolute",
|
|
.min = 0,
|
|
.max = OV5693_VCM_MAX_FOCUS_POS,
|
|
.step = 1,
|
|
.def = 0,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_FOCUS_RELATIVE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "focus move relative",
|
|
.min = OV5693_VCM_MAX_FOCUS_NEG,
|
|
.max = OV5693_VCM_MAX_FOCUS_POS,
|
|
.step = 1,
|
|
.def = 0,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_FOCUS_STATUS,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "focus status",
|
|
.min = 0,
|
|
.max = 100, /* allow enum to grow in the future */
|
|
.step = 1,
|
|
.def = 0,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_VCM_SLEW,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "vcm slew",
|
|
.min = 0,
|
|
.max = OV5693_VCM_SLEW_STEP_MAX,
|
|
.step = 1,
|
|
.def = 0,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_VCM_TIMEING,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "vcm step time",
|
|
.min = 0,
|
|
.max = OV5693_VCM_SLEW_TIME_MAX,
|
|
.step = 1,
|
|
.def = 0,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_BIN_FACTOR_HORZ,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "horizontal binning factor",
|
|
.min = 0,
|
|
.max = OV5693_BIN_FACTOR_MAX,
|
|
.step = 1,
|
|
.def = 0,
|
|
.flags = 0,
|
|
},
|
|
{
|
|
.ops = &ctrl_ops,
|
|
.id = V4L2_CID_BIN_FACTOR_VERT,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "vertical binning factor",
|
|
.min = 0,
|
|
.max = OV5693_BIN_FACTOR_MAX,
|
|
.step = 1,
|
|
.def = 0,
|
|
.flags = 0,
|
|
},
|
|
};
|
|
|
|
static int ov5693_init(struct v4l2_subdev *sd)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret;
|
|
|
|
pr_info("%s\n", __func__);
|
|
mutex_lock(&dev->input_lock);
|
|
dev->vcm_update = false;
|
|
|
|
if (dev->vcm == VCM_AD5823) {
|
|
ret = vcm_ad_i2c_wr8(client, 0x01, 0x01); /* vcm init test */
|
|
if (ret)
|
|
dev_err(&client->dev,
|
|
"vcm reset failed\n");
|
|
/*change the mode*/
|
|
ret = ad5823_i2c_write(client, AD5823_REG_VCM_CODE_MSB,
|
|
AD5823_RING_CTRL_ENABLE);
|
|
if (ret)
|
|
dev_err(&client->dev,
|
|
"vcm enable ringing failed\n");
|
|
ret = ad5823_i2c_write(client, AD5823_REG_MODE,
|
|
AD5823_ARC_RES1);
|
|
if (ret)
|
|
dev_err(&client->dev,
|
|
"vcm change mode failed\n");
|
|
}
|
|
|
|
/*change initial focus value for ad5823*/
|
|
if (dev->vcm == VCM_AD5823) {
|
|
dev->focus = AD5823_INIT_FOCUS_POS;
|
|
ov5693_t_focus_abs(sd, AD5823_INIT_FOCUS_POS);
|
|
} else {
|
|
dev->focus = 0;
|
|
ov5693_t_focus_abs(sd, 0);
|
|
}
|
|
|
|
mutex_unlock(&dev->input_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int power_ctrl(struct v4l2_subdev *sd, bool flag)
|
|
{
|
|
int ret;
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
|
|
if (!dev || !dev->platform_data)
|
|
return -ENODEV;
|
|
|
|
/* Non-gmin platforms use the legacy callback */
|
|
if (dev->platform_data->power_ctrl)
|
|
return dev->platform_data->power_ctrl(sd, flag);
|
|
|
|
/* This driver assumes "internal DVDD, PWDNB tied to DOVDD".
|
|
* In this set up only gpio0 (XSHUTDN) should be available
|
|
* but in some products (for example ECS) gpio1 (PWDNB) is
|
|
* also available. If gpio1 is available we emulate it being
|
|
* tied to DOVDD here. */
|
|
if (flag) {
|
|
ret = dev->platform_data->v2p8_ctrl(sd, 1);
|
|
dev->platform_data->gpio1_ctrl(sd, 1);
|
|
if (ret == 0) {
|
|
ret = dev->platform_data->v1p8_ctrl(sd, 1);
|
|
if (ret) {
|
|
dev->platform_data->gpio1_ctrl(sd, 0);
|
|
ret = dev->platform_data->v2p8_ctrl(sd, 0);
|
|
}
|
|
}
|
|
} else {
|
|
dev->platform_data->gpio1_ctrl(sd, 0);
|
|
ret = dev->platform_data->v1p8_ctrl(sd, 0);
|
|
ret |= dev->platform_data->v2p8_ctrl(sd, 0);
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int gpio_ctrl(struct v4l2_subdev *sd, bool flag)
|
|
{
|
|
int ret;
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
|
|
if (!dev || !dev->platform_data)
|
|
return -ENODEV;
|
|
|
|
/* Non-gmin platforms use the legacy callback */
|
|
if (dev->platform_data->gpio_ctrl)
|
|
return dev->platform_data->gpio_ctrl(sd, flag);
|
|
|
|
ret = dev->platform_data->gpio0_ctrl(sd, flag);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int __power_up(struct v4l2_subdev *sd)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret;
|
|
|
|
if (NULL == dev->platform_data) {
|
|
dev_err(&client->dev,
|
|
"no camera_sensor_platform_data");
|
|
return -ENODEV;
|
|
}
|
|
|
|
/* power control */
|
|
ret = power_ctrl(sd, 1);
|
|
if (ret)
|
|
goto fail_power;
|
|
|
|
/* according to DS, at least 5ms is needed between DOVDD and PWDN */
|
|
/* add this delay time to 10~11ms*/
|
|
usleep_range(10000, 11000);
|
|
|
|
/* gpio ctrl */
|
|
ret = gpio_ctrl(sd, 1);
|
|
if (ret) {
|
|
ret = gpio_ctrl(sd, 1);
|
|
if (ret)
|
|
goto fail_power;
|
|
}
|
|
|
|
/* flis clock control */
|
|
ret = dev->platform_data->flisclk_ctrl(sd, 1);
|
|
if (ret)
|
|
goto fail_clk;
|
|
|
|
__cci_delay(up_delay);
|
|
|
|
return 0;
|
|
|
|
fail_clk:
|
|
gpio_ctrl(sd, 0);
|
|
fail_power:
|
|
power_ctrl(sd, 0);
|
|
dev_err(&client->dev, "sensor power-up failed\n");
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int power_down(struct v4l2_subdev *sd)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret = 0;
|
|
|
|
dev->focus = OV5693_INVALID_CONFIG;
|
|
if (NULL == dev->platform_data) {
|
|
dev_err(&client->dev,
|
|
"no camera_sensor_platform_data");
|
|
return -ENODEV;
|
|
}
|
|
|
|
ret = dev->platform_data->flisclk_ctrl(sd, 0);
|
|
if (ret)
|
|
dev_err(&client->dev, "flisclk failed\n");
|
|
|
|
/* gpio ctrl */
|
|
ret = gpio_ctrl(sd, 0);
|
|
if (ret) {
|
|
ret = gpio_ctrl(sd, 0);
|
|
if (ret)
|
|
dev_err(&client->dev, "gpio failed 2\n");
|
|
}
|
|
|
|
/* power control */
|
|
ret = power_ctrl(sd, 0);
|
|
if (ret)
|
|
dev_err(&client->dev, "vprog failed.\n");
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int power_up(struct v4l2_subdev *sd)
|
|
{
|
|
static const int retry_count = 4;
|
|
int i, ret;
|
|
|
|
for (i = 0; i < retry_count; i++) {
|
|
ret = __power_up(sd);
|
|
if (!ret)
|
|
return 0;
|
|
|
|
power_down(sd);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int ov5693_s_power(struct v4l2_subdev *sd, int on)
|
|
{
|
|
int ret;
|
|
|
|
pr_info("%s: on %d\n", __func__, on);
|
|
if (on == 0)
|
|
return power_down(sd);
|
|
else {
|
|
ret = power_up(sd);
|
|
if (!ret) {
|
|
ret = ov5693_init(sd);
|
|
/* restore settings */
|
|
ov5693_res = ov5693_res_preview;
|
|
N_RES = N_RES_PREVIEW;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* distance - calculate the distance
|
|
* @res: resolution
|
|
* @w: width
|
|
* @h: height
|
|
*
|
|
* Get the gap between res_w/res_h and w/h.
|
|
* distance = (res_w/res_h - w/h) / (w/h) * 8192
|
|
* res->width/height smaller than w/h wouldn't be considered.
|
|
* The gap of ratio larger than 1/8 wouldn't be considered.
|
|
* Returns the value of gap or -1 if fail.
|
|
*/
|
|
#define LARGEST_ALLOWED_RATIO_MISMATCH 1024
|
|
static int distance(struct ov5693_resolution *res, u32 w, u32 h)
|
|
{
|
|
int ratio;
|
|
int distance;
|
|
|
|
if (w == 0 || h == 0 ||
|
|
res->width < w || res->height < h)
|
|
return -1;
|
|
|
|
ratio = res->width << 13;
|
|
ratio /= w;
|
|
ratio *= h;
|
|
ratio /= res->height;
|
|
|
|
distance = abs(ratio - 8192);
|
|
|
|
if (distance > LARGEST_ALLOWED_RATIO_MISMATCH)
|
|
return -1;
|
|
|
|
return distance;
|
|
}
|
|
|
|
/* Return the nearest higher resolution index
|
|
* Firstly try to find the approximate aspect ratio resolution
|
|
* If we find multiple same AR resolutions, choose the
|
|
* minimal size.
|
|
*/
|
|
static int nearest_resolution_index(int w, int h)
|
|
{
|
|
int i;
|
|
int idx = -1;
|
|
int dist;
|
|
int min_dist = INT_MAX;
|
|
int min_res_w = INT_MAX;
|
|
struct ov5693_resolution *tmp_res = NULL;
|
|
|
|
for (i = 0; i < N_RES; i++) {
|
|
tmp_res = &ov5693_res[i];
|
|
dist = distance(tmp_res, w, h);
|
|
if (dist == -1)
|
|
continue;
|
|
if (dist < min_dist) {
|
|
min_dist = dist;
|
|
idx = i;
|
|
min_res_w = ov5693_res[i].width;
|
|
continue;
|
|
}
|
|
if (dist == min_dist && ov5693_res[i].width < min_res_w)
|
|
idx = i;
|
|
}
|
|
|
|
return idx;
|
|
}
|
|
|
|
static int get_resolution_index(int w, int h)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < N_RES; i++) {
|
|
if (w != ov5693_res[i].width)
|
|
continue;
|
|
if (h != ov5693_res[i].height)
|
|
continue;
|
|
|
|
return i;
|
|
}
|
|
|
|
return -1;
|
|
}
|
|
|
|
/* TODO: remove it. */
|
|
static int startup(struct v4l2_subdev *sd)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret = 0;
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT,
|
|
OV5693_SW_RESET, 0x01);
|
|
if (ret) {
|
|
dev_err(&client->dev, "ov5693 reset err.\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg_array(client, ov5693_global_setting);
|
|
if (ret) {
|
|
dev_err(&client->dev, "ov5693 write register err.\n");
|
|
return ret;
|
|
}
|
|
|
|
ret = ov5693_write_reg_array(client, ov5693_res[dev->fmt_idx].regs);
|
|
if (ret) {
|
|
dev_err(&client->dev, "ov5693 write register err.\n");
|
|
return ret;
|
|
}
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int ov5693_set_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *format)
|
|
{
|
|
struct v4l2_mbus_framefmt *fmt = &format->format;
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
struct camera_mipi_info *ov5693_info = NULL;
|
|
int ret = 0;
|
|
int idx;
|
|
if (format->pad)
|
|
return -EINVAL;
|
|
if (!fmt)
|
|
return -EINVAL;
|
|
ov5693_info = v4l2_get_subdev_hostdata(sd);
|
|
if (ov5693_info == NULL)
|
|
return -EINVAL;
|
|
|
|
mutex_lock(&dev->input_lock);
|
|
idx = nearest_resolution_index(fmt->width, fmt->height);
|
|
if (idx == -1) {
|
|
/* return the largest resolution */
|
|
fmt->width = ov5693_res[N_RES - 1].width;
|
|
fmt->height = ov5693_res[N_RES - 1].height;
|
|
} else {
|
|
fmt->width = ov5693_res[idx].width;
|
|
fmt->height = ov5693_res[idx].height;
|
|
}
|
|
|
|
fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10;
|
|
if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
|
|
cfg->try_fmt = *fmt;
|
|
mutex_unlock(&dev->input_lock);
|
|
return 0;
|
|
}
|
|
|
|
dev->fmt_idx = get_resolution_index(fmt->width, fmt->height);
|
|
if (dev->fmt_idx == -1) {
|
|
dev_err(&client->dev, "get resolution fail\n");
|
|
mutex_unlock(&dev->input_lock);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = startup(sd);
|
|
if (ret) {
|
|
int i = 0;
|
|
dev_err(&client->dev, "ov5693 startup err, retry to power up\n");
|
|
for (i = 0; i < OV5693_POWER_UP_RETRY_NUM; i++) {
|
|
dev_err(&client->dev,
|
|
"ov5693 retry to power up %d/%d times, result: ",
|
|
i+1, OV5693_POWER_UP_RETRY_NUM);
|
|
power_down(sd);
|
|
ret = power_up(sd);
|
|
if (!ret) {
|
|
mutex_unlock(&dev->input_lock);
|
|
ov5693_init(sd);
|
|
mutex_lock(&dev->input_lock);
|
|
} else {
|
|
dev_err(&client->dev, "power up failed, continue\n");
|
|
continue;
|
|
}
|
|
ret = startup(sd);
|
|
if (ret) {
|
|
dev_err(&client->dev, " startup FAILED!\n");
|
|
} else {
|
|
dev_err(&client->dev, " startup SUCCESS!\n");
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* After sensor settings are set to HW, sometimes stream is started.
|
|
* This would cause ISP timeout because ISP is not ready to receive
|
|
* data yet. So add stop streaming here.
|
|
*/
|
|
ret = ov5693_write_reg(client, OV5693_8BIT, OV5693_SW_STREAM,
|
|
OV5693_STOP_STREAMING);
|
|
if (ret)
|
|
dev_warn(&client->dev, "ov5693 stream off err\n");
|
|
|
|
ret = ov5693_get_intg_factor(client, ov5693_info,
|
|
&ov5693_res[dev->fmt_idx]);
|
|
if (ret) {
|
|
dev_err(&client->dev, "failed to get integration_factor\n");
|
|
goto err;
|
|
}
|
|
|
|
ov5693_info->metadata_width = fmt->width * 10 / 8;
|
|
ov5693_info->metadata_height = 1;
|
|
ov5693_info->metadata_effective_width = &ov5693_embedded_effective_size;
|
|
|
|
err:
|
|
mutex_unlock(&dev->input_lock);
|
|
return ret;
|
|
}
|
|
static int ov5693_get_fmt(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_format *format)
|
|
{
|
|
struct v4l2_mbus_framefmt *fmt = &format->format;
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
if (format->pad)
|
|
return -EINVAL;
|
|
|
|
if (!fmt)
|
|
return -EINVAL;
|
|
|
|
fmt->width = ov5693_res[dev->fmt_idx].width;
|
|
fmt->height = ov5693_res[dev->fmt_idx].height;
|
|
fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_detect(struct i2c_client *client)
|
|
{
|
|
struct i2c_adapter *adapter = client->adapter;
|
|
u16 high, low;
|
|
int ret;
|
|
u16 id;
|
|
u8 revision;
|
|
|
|
if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
|
|
return -ENODEV;
|
|
|
|
ret = ov5693_read_reg(client, OV5693_8BIT,
|
|
OV5693_SC_CMMN_CHIP_ID_H, &high);
|
|
if (ret) {
|
|
dev_err(&client->dev, "sensor_id_high = 0x%x\n", high);
|
|
return -ENODEV;
|
|
}
|
|
ret = ov5693_read_reg(client, OV5693_8BIT,
|
|
OV5693_SC_CMMN_CHIP_ID_L, &low);
|
|
id = ((((u16) high) << 8) | (u16) low);
|
|
|
|
if (id != OV5693_ID) {
|
|
dev_err(&client->dev, "sensor ID error 0x%x\n", id);
|
|
return -ENODEV;
|
|
}
|
|
|
|
ret = ov5693_read_reg(client, OV5693_8BIT,
|
|
OV5693_SC_CMMN_SUB_ID, &high);
|
|
revision = (u8) high & 0x0f;
|
|
|
|
dev_dbg(&client->dev, "sensor_revision = 0x%x\n", revision);
|
|
dev_dbg(&client->dev, "detect ov5693 success\n");
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_s_stream(struct v4l2_subdev *sd, int enable)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret;
|
|
|
|
mutex_lock(&dev->input_lock);
|
|
|
|
ret = ov5693_write_reg(client, OV5693_8BIT, OV5693_SW_STREAM,
|
|
enable ? OV5693_START_STREAMING :
|
|
OV5693_STOP_STREAMING);
|
|
|
|
mutex_unlock(&dev->input_lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
|
|
static int ov5693_s_config(struct v4l2_subdev *sd,
|
|
int irq, void *platform_data)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
int ret = 0;
|
|
|
|
if (platform_data == NULL)
|
|
return -ENODEV;
|
|
|
|
dev->platform_data =
|
|
(struct camera_sensor_platform_data *)platform_data;
|
|
|
|
mutex_lock(&dev->input_lock);
|
|
/* power off the module, then power on it in future
|
|
* as first power on by board may not fulfill the
|
|
* power on sequqence needed by the module
|
|
*/
|
|
ret = power_down(sd);
|
|
if (ret) {
|
|
dev_err(&client->dev, "ov5693 power-off err.\n");
|
|
goto fail_power_off;
|
|
}
|
|
|
|
ret = power_up(sd);
|
|
if (ret) {
|
|
dev_err(&client->dev, "ov5693 power-up err.\n");
|
|
goto fail_power_on;
|
|
}
|
|
|
|
if (!dev->vcm)
|
|
dev->vcm = vcm_detect(client);
|
|
|
|
ret = dev->platform_data->csi_cfg(sd, 1);
|
|
if (ret)
|
|
goto fail_csi_cfg;
|
|
|
|
/* config & detect sensor */
|
|
ret = ov5693_detect(client);
|
|
if (ret) {
|
|
dev_err(&client->dev, "ov5693_detect err s_config.\n");
|
|
goto fail_csi_cfg;
|
|
}
|
|
|
|
dev->otp_data = ov5693_otp_read(sd);
|
|
|
|
/* turn off sensor, after probed */
|
|
ret = power_down(sd);
|
|
if (ret) {
|
|
dev_err(&client->dev, "ov5693 power-off err.\n");
|
|
goto fail_csi_cfg;
|
|
}
|
|
mutex_unlock(&dev->input_lock);
|
|
|
|
return ret;
|
|
|
|
fail_csi_cfg:
|
|
dev->platform_data->csi_cfg(sd, 0);
|
|
fail_power_on:
|
|
power_down(sd);
|
|
dev_err(&client->dev, "sensor power-gating failed\n");
|
|
fail_power_off:
|
|
mutex_unlock(&dev->input_lock);
|
|
return ret;
|
|
}
|
|
|
|
static int ov5693_g_parm(struct v4l2_subdev *sd,
|
|
struct v4l2_streamparm *param)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
struct i2c_client *client = v4l2_get_subdevdata(sd);
|
|
|
|
if (!param)
|
|
return -EINVAL;
|
|
|
|
if (param->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {
|
|
dev_err(&client->dev, "unsupported buffer type.\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
memset(param, 0, sizeof(*param));
|
|
param->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
|
|
|
|
if (dev->fmt_idx >= 0 && dev->fmt_idx < N_RES) {
|
|
param->parm.capture.capability = V4L2_CAP_TIMEPERFRAME;
|
|
param->parm.capture.timeperframe.numerator = 1;
|
|
param->parm.capture.capturemode = dev->run_mode;
|
|
param->parm.capture.timeperframe.denominator =
|
|
ov5693_res[dev->fmt_idx].fps;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_s_parm(struct v4l2_subdev *sd,
|
|
struct v4l2_streamparm *param)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
dev->run_mode = param->parm.capture.capturemode;
|
|
|
|
mutex_lock(&dev->input_lock);
|
|
switch (dev->run_mode) {
|
|
case CI_MODE_VIDEO:
|
|
ov5693_res = ov5693_res_video;
|
|
N_RES = N_RES_VIDEO;
|
|
break;
|
|
case CI_MODE_STILL_CAPTURE:
|
|
ov5693_res = ov5693_res_still;
|
|
N_RES = N_RES_STILL;
|
|
break;
|
|
default:
|
|
ov5693_res = ov5693_res_preview;
|
|
N_RES = N_RES_PREVIEW;
|
|
}
|
|
mutex_unlock(&dev->input_lock);
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_g_frame_interval(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_frame_interval *interval)
|
|
{
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
|
|
interval->interval.numerator = 1;
|
|
interval->interval.denominator = ov5693_res[dev->fmt_idx].fps;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_enum_mbus_code(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_mbus_code_enum *code)
|
|
{
|
|
if (code->index >= MAX_FMTS)
|
|
return -EINVAL;
|
|
|
|
code->code = MEDIA_BUS_FMT_SBGGR10_1X10;
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_enum_frame_size(struct v4l2_subdev *sd,
|
|
struct v4l2_subdev_pad_config *cfg,
|
|
struct v4l2_subdev_frame_size_enum *fse)
|
|
{
|
|
int index = fse->index;
|
|
|
|
if (index >= N_RES)
|
|
return -EINVAL;
|
|
|
|
fse->min_width = ov5693_res[index].width;
|
|
fse->min_height = ov5693_res[index].height;
|
|
fse->max_width = ov5693_res[index].width;
|
|
fse->max_height = ov5693_res[index].height;
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
static const struct v4l2_subdev_video_ops ov5693_video_ops = {
|
|
.s_stream = ov5693_s_stream,
|
|
.g_parm = ov5693_g_parm,
|
|
.s_parm = ov5693_s_parm,
|
|
.g_frame_interval = ov5693_g_frame_interval,
|
|
};
|
|
|
|
static const struct v4l2_subdev_core_ops ov5693_core_ops = {
|
|
.s_power = ov5693_s_power,
|
|
.ioctl = ov5693_ioctl,
|
|
};
|
|
|
|
static const struct v4l2_subdev_pad_ops ov5693_pad_ops = {
|
|
.enum_mbus_code = ov5693_enum_mbus_code,
|
|
.enum_frame_size = ov5693_enum_frame_size,
|
|
.get_fmt = ov5693_get_fmt,
|
|
.set_fmt = ov5693_set_fmt,
|
|
};
|
|
|
|
static const struct v4l2_subdev_ops ov5693_ops = {
|
|
.core = &ov5693_core_ops,
|
|
.video = &ov5693_video_ops,
|
|
.pad = &ov5693_pad_ops,
|
|
};
|
|
|
|
static int ov5693_remove(struct i2c_client *client)
|
|
{
|
|
struct v4l2_subdev *sd = i2c_get_clientdata(client);
|
|
struct ov5693_device *dev = to_ov5693_sensor(sd);
|
|
dev_dbg(&client->dev, "ov5693_remove...\n");
|
|
|
|
dev->platform_data->csi_cfg(sd, 0);
|
|
|
|
v4l2_device_unregister_subdev(sd);
|
|
|
|
atomisp_gmin_remove_subdev(sd);
|
|
|
|
media_entity_cleanup(&dev->sd.entity);
|
|
v4l2_ctrl_handler_free(&dev->ctrl_handler);
|
|
kfree(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int ov5693_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct ov5693_device *dev;
|
|
int i2c;
|
|
int ret = 0;
|
|
void *pdata = client->dev.platform_data;
|
|
struct acpi_device *adev;
|
|
unsigned int i;
|
|
|
|
/* Firmware workaround: Some modules use a "secondary default"
|
|
* address of 0x10 which doesn't appear on schematics, and
|
|
* some BIOS versions haven't gotten the memo. Work around
|
|
* via config. */
|
|
i2c = gmin_get_var_int(&client->dev, "I2CAddr", -1);
|
|
if (i2c != -1) {
|
|
dev_info(&client->dev,
|
|
"Overriding firmware-provided I2C address (0x%x) with 0x%x\n",
|
|
client->addr, i2c);
|
|
client->addr = i2c;
|
|
}
|
|
|
|
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
|
|
if (!dev) {
|
|
dev_err(&client->dev, "out of memory\n");
|
|
return -ENOMEM;
|
|
}
|
|
|
|
mutex_init(&dev->input_lock);
|
|
|
|
dev->fmt_idx = 0;
|
|
v4l2_i2c_subdev_init(&(dev->sd), client, &ov5693_ops);
|
|
|
|
adev = ACPI_COMPANION(&client->dev);
|
|
if (adev) {
|
|
adev->power.flags.power_resources = 0;
|
|
pdata = gmin_camera_platform_data(&dev->sd,
|
|
ATOMISP_INPUT_FORMAT_RAW_10,
|
|
atomisp_bayer_order_bggr);
|
|
}
|
|
|
|
if (!pdata)
|
|
goto out_free;
|
|
|
|
ret = ov5693_s_config(&dev->sd, client->irq, pdata);
|
|
if (ret)
|
|
goto out_free;
|
|
|
|
ret = atomisp_register_i2c_module(&dev->sd, pdata, RAW_CAMERA);
|
|
if (ret)
|
|
goto out_free;
|
|
|
|
dev->sd.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
|
|
dev->pad.flags = MEDIA_PAD_FL_SOURCE;
|
|
dev->format.code = MEDIA_BUS_FMT_SBGGR10_1X10;
|
|
dev->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
|
|
ret =
|
|
v4l2_ctrl_handler_init(&dev->ctrl_handler,
|
|
ARRAY_SIZE(ov5693_controls));
|
|
if (ret) {
|
|
ov5693_remove(client);
|
|
return ret;
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(ov5693_controls); i++)
|
|
v4l2_ctrl_new_custom(&dev->ctrl_handler, &ov5693_controls[i],
|
|
NULL);
|
|
|
|
if (dev->ctrl_handler.error) {
|
|
ov5693_remove(client);
|
|
return dev->ctrl_handler.error;
|
|
}
|
|
|
|
/* Use same lock for controls as for everything else. */
|
|
dev->ctrl_handler.lock = &dev->input_lock;
|
|
dev->sd.ctrl_handler = &dev->ctrl_handler;
|
|
|
|
ret = media_entity_pads_init(&dev->sd.entity, 1, &dev->pad);
|
|
if (ret)
|
|
ov5693_remove(client);
|
|
|
|
return ret;
|
|
out_free:
|
|
v4l2_device_unregister_subdev(&dev->sd);
|
|
kfree(dev);
|
|
return ret;
|
|
}
|
|
|
|
MODULE_DEVICE_TABLE(i2c, ov5693_id);
|
|
|
|
static struct acpi_device_id ov5693_acpi_match[] = {
|
|
{"INT33BE"},
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(acpi, ov5693_acpi_match);
|
|
|
|
static struct i2c_driver ov5693_driver = {
|
|
.driver = {
|
|
.name = OV5693_NAME,
|
|
.acpi_match_table = ACPI_PTR(ov5693_acpi_match),
|
|
},
|
|
.probe = ov5693_probe,
|
|
.remove = ov5693_remove,
|
|
.id_table = ov5693_id,
|
|
};
|
|
|
|
static int init_ov5693(void)
|
|
{
|
|
return i2c_add_driver(&ov5693_driver);
|
|
}
|
|
|
|
static void exit_ov5693(void)
|
|
{
|
|
|
|
i2c_del_driver(&ov5693_driver);
|
|
}
|
|
|
|
module_init(init_ov5693);
|
|
module_exit(exit_ov5693);
|
|
|
|
MODULE_DESCRIPTION("A low-level driver for OmniVision 5693 sensors");
|
|
MODULE_LICENSE("GPL");
|