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Message-ID: <1507028067.16112.244.camel@linux.intel.com>
Date: Tue, 03 Oct 2017 13:54:27 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Devid Antonio Filoni <d.filoni@...ntu.com>
Cc: sakari.ailus@...ux.intel.com,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Alan Cox <alan@...ux.intel.com>,
Jérémy Lefaure <jeremy.lefaure@....epita.fr>,
Hans Verkuil <hverkuil@...all.nl>,
linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
devel@...verdev.osuosl.org
Subject: Re: [PATCH v3] staging: atomisp: add a driver for ov5648 camera
sensor
On Mon, 2017-10-02 at 21:30 +0200, Devid Antonio Filoni wrote:
> The ov5648 5-megapixel camera sensor from OmniVision supports up to
> 2592x1944
> resolution and MIPI CSI-2 interface. Output format is raw sRGB/Bayer
> with
> 10 bits per colour (SGRBG10_1X10).
>
> This patch is a port of ov5648 driver after applying following
> 01org/ProductionKernelQuilts patches:
> - 0004-ov2680-ov5648-Fork-lift-source-from-CTS.patch
> - 0005-ov2680-ov5648-gminification.patch
> - 0006-ov5648-Focus-support.patch
> - 0007-Fix-resolution-issues-on-rear-camera.patch
> - 0008-ov2680-ov5648-Enabled-the-set_exposure-functions.patch
> - 0010-IRDA-cameras-mode-list-cleanup-unification.patch
> - 0012-ov5648-Add-1296x972-binned-mode.patch
> - 0014-ov5648-Adapt-to-Atomisp2-Gmin-VCM-framework.patch
> - 0015-dw9714-Gmin-Atomisp-specific-VCM-driver.patch
> - 0017-ov5648-Fix-deadlock-on-I2C-error.patch
> - 0018-gc2155-Fix-deadlock-on-error.patch
> - 0019-ov5648-Add-1280x960-binned-mode.patch
> - 0020-ov5648-Make-1280x960-as-default-video-resolution.patch
> - 0021-MALATA-Fix-testCameraToSurfaceTextureMetadata-CTS.patch
> - 0023-OV5648-Added-5MP-video-resolution.patch
>
> New changes introduced during the port:
> - Rename entity types to entity functions
> - Replace v4l2_subdev_fh by v4l2_subdev_pad_config
> - Make use of media_bus_format enum
> - Rename media_entity_init function to media_entity_pads_init
> - Replace try_mbus_fmt by set_fmt
> - Replace s_mbus_fmt by set_fmt
> - Replace g_mbus_fmt by get_fmt
> - Use s_ctrl/g_volatile_ctrl instead of ctrl core ops
> - Update gmin platform API path
> - Constify acpi_device_id
> - Add "INT5648" value to acpi_device_id
> - Fix some checkpatch errors and warnings
> - Remove FSF's mailing address from the sample GPL notice
>
> "INT5648" ACPI device id can be found in following production
> hardware:
> BIOS Information
> Vendor: LENOVO
> Version: 1HCN40WW
> Release Date: 11/04/2016
> ...
> BIOS Revision: 0.40
> Firmware Revision: 0.0
> ...
> System Information
> Manufacturer: LENOVO
> Product Name: 80SG
> Version: MIIX 310-10ICR
> ...
> SKU Number: LENOVO_MT_80SG_BU_idea_FM_MIIX 310-10ICR
> Family: IDEAPAD
> ...
>
> Device DSDT excerpt:
> Device (CA00)
> {
> Name (_ADR, Zero) // _ADR: Address
> Name (_HID, "INT5648") // _HID: Hardware ID
> Name (_CID, "INT5648") // _CID: Compatible ID
> Name (_SUB, "INTL0000") // _SUB: Subsystem ID
> Name (_DDN, "ov5648") // _DDN: DOS Device Name
> ...
>
> I was not able to properly test this patch on my Lenovo Miix 310 due
> to other
> issues with atomisp,
Can you elaborate this a bit?
> the output is the same as ov2680 driver (OVTI2680)
> which is very similar.
>
Other than above the patch looks good enough for staging, though still
requires a lot of clean up work.
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> Signed-off-by: Devid Antonio Filoni <d.filoni@...ntu.com>
> ---
> Changes in v2:
> - Fix indentation
> - Add atomisp prefix to Kconfig option
>
> Changes in v3:
> - Use module_i2c_driver() macro
> - Switch i2c drivers to use ->probe_new()
> - Remove unused ->gpio_ctrl() callback
> - Remove unused ->power_ctrl() callback
> - Remove unneeded header inclusions
> - Sort header inclusions alphabetically
> - Replace kzalloc with devm_kzalloc
> - Remove "XXOV5648" acpi_device_id, we don't know if it's used in any
> production device
> - Use reverse XMAS tree declarations
> - Fix comments style
> - Remove __func__ from all dev_{dbg,info,err}() calls
> - Add missing new line chars in all dev_{dbg,info,err}() calls
> - Remove useless dev_{dbg,err}() calls
> - Fix all checkpatch.pl issues
>
> drivers/staging/media/atomisp/i2c/Kconfig | 12 +
> drivers/staging/media/atomisp/i2c/Makefile | 1 +
> drivers/staging/media/atomisp/i2c/atomisp-ov5648.c | 1787
> ++++++++++++++++++++++++++++
> drivers/staging/media/atomisp/i2c/ov5648.h | 828 +++++++++++++
> 4 files changed, 2628 insertions(+)
> create mode 100644 drivers/staging/media/atomisp/i2c/atomisp-ov5648.c
> create mode 100644 drivers/staging/media/atomisp/i2c/ov5648.h
>
> diff --git a/drivers/staging/media/atomisp/i2c/Kconfig
> b/drivers/staging/media/atomisp/i2c/Kconfig
> index a76f17d..6bd849d 100644
> --- a/drivers/staging/media/atomisp/i2c/Kconfig
> +++ b/drivers/staging/media/atomisp/i2c/Kconfig
> @@ -83,6 +83,18 @@ config VIDEO_ATOMISP_OV2680
>
> It currently only works with the atomisp driver.
>
> +config VIDEO_ATOMISP_OV5648
> + tristate "Omnivision OV5648 sensor support"
> + depends on ACPI
> + depends on I2C && VIDEO_V4L2
> + ---help---
> + This is a Video4Linux2 sensor-level driver for the
> Omnivision
> + OV5648 raw camera.
> +
> + ov5648 is a 5M raw sensor.
> +
> + It currently only works with the atomisp driver.
> +
> #
> # Kconfig for flash drivers
> #
> diff --git a/drivers/staging/media/atomisp/i2c/Makefile
> b/drivers/staging/media/atomisp/i2c/Makefile
> index f8b3505..bb9cf7b 100644
> --- a/drivers/staging/media/atomisp/i2c/Makefile
> +++ b/drivers/staging/media/atomisp/i2c/Makefile
> @@ -8,6 +8,7 @@ obj-$(CONFIG_VIDEO_ATOMISP_MT9M114) += atomisp-
> mt9m114.o
> obj-$(CONFIG_VIDEO_ATOMISP_GC2235) += atomisp-gc2235.o
> obj-$(CONFIG_VIDEO_ATOMISP_OV2722) += atomisp-ov2722.o
> obj-$(CONFIG_VIDEO_ATOMISP_OV2680) += atomisp-ov2680.o
> +obj-$(CONFIG_VIDEO_ATOMISP_OV5648) += atomisp-ov5648.o
> obj-$(CONFIG_VIDEO_ATOMISP_GC0310) += atomisp-gc0310.o
>
> obj-$(CONFIG_VIDEO_ATOMISP_MSRLIST_HELPER) += atomisp-
> libmsrlisthelper.o
> diff --git a/drivers/staging/media/atomisp/i2c/atomisp-ov5648.c
> b/drivers/staging/media/atomisp/i2c/atomisp-ov5648.c
> new file mode 100644
> index 0000000..15cb64b
> --- /dev/null
> +++ b/drivers/staging/media/atomisp/i2c/atomisp-ov5648.c
> @@ -0,0 +1,1787 @@
> +/*
> + * Support for OmniVision OV5648 5M camera sensor.
> + * Based on OmniVision OV2722 driver.
> + *
> + * Copyright (c) 2013 Intel Corporation. All Rights Reserved.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License
> version
> + * 2 as published by the Free Software Foundation.
> + *
> + * 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.
> + */
> +
> +#include <linux/delay.h>
> +#include <linux/device.h>
> +#include <linux/errno.h>
> +#include <linux/i2c.h>
> +#include <linux/io.h>
> +#include <linux/kmod.h>
> +#include <linux/kernel.h>
> +#include <linux/mm.h>
> +#include <linux/module.h>
> +#include <linux/moduleparam.h>
> +#include <linux/slab.h>
> +#include <linux/string.h>
> +#include <linux/types.h>
> +#include <media/v4l2-ctrls.h>
> +#include <media/v4l2-device.h>
> +#include "../include/linux/atomisp_gmin_platform.h"
> +
> +#include "ov5648.h"
> +
> +#define OV5648_DEBUG_EN 0
> +
> +#define H_FLIP_DEFAULT 1
> +#define V_FLIP_DEFAULT 0
> +static int h_flag = H_FLIP_DEFAULT;
> +static int v_flag = V_FLIP_DEFAULT;
> +
> +static int ov5648_read_reg(struct i2c_client *client,
> + u16 data_length, u16 reg, u16 *val)
> +{
> + struct i2c_msg msg[2];
> + unsigned char data[6];
> + int err;
> +
> + if (data_length != OV5648_8BIT && data_length != OV5648_16BIT
> &&
> + data_length != OV5648_32BIT) {
> + dev_err(&client->dev, "read_reg error, invalid data
> length %x\n",
> + data_length);
> + return -EINVAL;
> + }
> +
> + memset(msg, 0, sizeof(msg));
> +
> + msg[0].addr = client->addr;
> + msg[0].flags = 0;
> + msg[0].len = I2C_MSG_LENGTH;
> + msg[0].buf = data;
> +
> + /* High byte goes out first */
> + data[0] = (u8)(reg >> 8);
> + data[1] = (u8)(reg & 0xff);
> +
> + msg[1].addr = client->addr;
> + msg[1].len = data_length;
> + msg[1].flags = I2C_M_RD;
> + msg[1].buf = data;
> +
> + err = i2c_transfer(client->adapter, msg, 2);
> + if (err != 2) {
> + dev_err(&client->dev,
> + "read from offset 0x%x, error: %d\n", reg,
> err);
> + return err < 0 ? err : -EIO;
> + }
> +
> + *val = 0;
> + /* high byte comes first */
> + if (data_length == OV5648_8BIT)
> + *val = (u8)data[0];
> + else if (data_length == OV5648_16BIT)
> + *val = be16_to_cpu(*(u16 *)&data[0]);
> + else
> + *val = be32_to_cpu(*(u32 *)&data[0]);
> +
> + return 0;
> +}
> +
> +static int ov5648_i2c_write(struct i2c_client *client, u16 len, u8
> *data)
> +{
> + const int num_msg = 1;
> + struct i2c_msg msg;
> + int ret;
> +
> + msg.addr = client->addr;
> + msg.flags = 0;
> + msg.len = len;
> + msg.buf = data;
> + ret = i2c_transfer(client->adapter, &msg, 1);
> +
> + return ret == num_msg ? 0 : -EIO;
> +}
> +
> +static int ov5648_write_reg(struct i2c_client *client, u16
> data_length,
> + u16 reg, u16 val)
> +{
> + const u16 len = data_length + sizeof(u16); /* 16-bit address
> + data */
> + unsigned char data[4] = {0};
> + u16 *wreg = (u16 *)data;
> + int ret;
> +
> + if (data_length != OV5648_8BIT && data_length != OV5648_16BIT
> &&
> + data_length != OV5648_32BIT) {
> + dev_err(&client->dev,
> + "write_reg error, invalid data_length %x\n",
> + data_length);
> + return -EINVAL;
> + }
> +
> + /* High byte goes out first */
> + *wreg = cpu_to_be16(reg);
> +
> + if (data_length == OV5648_8BIT) {
> + data[2] = (u8)(val);
> + } else if (data_length == OV5648_16BIT) {
> + u16 *wdata = (u16 *)&data[2];
> + *wdata = cpu_to_be16(val);
> + } else {
> + u32 *wdata = (u32 *)&data[2];
> + *wdata = cpu_to_be32(val);
> + }
> +
> + ret = ov5648_i2c_write(client, len, data);
> + if (ret)
> + dev_err(&client->dev,
> + "write error: wrote 0x%x to offset 0x%x,
> error: %d\n",
> + val, reg, ret);
> +
> + return ret;
> +}
> +
> +/*
> + * ov5648_write_reg_array - Initializes a list of OV5648 registers
> + * @client: i2c driver client structure
> + * @reglist: list of registers to be written
> + *
> + * This function initializes a list of registers. When consecutive
> addresses
> + * are found in a row on the list, this function creates a buffer and
> sends
> + * consecutive data in a single i2c_transfer().
> + *
> + * __ov5648_flush_reg_array, __ov5648_buf_reg_array() and
> + * __ov5648_write_reg_is_consecutive() are internal functions to
> + * ov5648_write_reg_array_fast() and should be not used anywhere
> else.
> + *
> + */
> +static int __ov5648_flush_reg_array(struct i2c_client *client,
> + struct ov5648_write_ctrl *ctrl)
> +{
> + u16 size;
> +
> + if (ctrl->index == 0)
> + return 0;
> +
> + size = sizeof(u16) + ctrl->index;
> + ctrl->buffer.addr = cpu_to_be16(ctrl->buffer.addr);
> + ctrl->index = 0;
> +
> + return ov5648_i2c_write(client, size, (u8 *)&ctrl->buffer);
> +}
> +
> +static int __ov5648_buf_reg_array(struct i2c_client *client,
> + struct ov5648_write_ctrl *ctrl,
> + const struct ov5648_reg *next)
> +{
> + u16 *data16;
> + int size;
> +
> + switch (next->type) {
> + case OV5648_8BIT:
> + size = 1;
> + ctrl->buffer.data[ctrl->index] = (u8)next->val;
> + break;
> + case OV5648_16BIT:
> + size = 2;
> + data16 = (u16 *)&ctrl->buffer.data[ctrl->index];
> + *data16 = cpu_to_be16((u16)next->val);
> + break;
> + default:
> + return -EINVAL;
> + }
> +
> + /* When first item is added, we need to store its starting
> address */
> + if (ctrl->index == 0)
> + ctrl->buffer.addr = next->reg;
> +
> + ctrl->index += size;
> +
> + /*
> + * Buffer cannot guarantee free space for u32? Better flush
> it to avoid
> + * possible lack of memory for next item.
> + */
> + if (ctrl->index + sizeof(u16) >= OV5648_MAX_WRITE_BUF_SIZE)
> + return __ov5648_flush_reg_array(client, ctrl);
> +
> + return 0;
> +}
> +
> +static int __ov5648_write_reg_is_consecutive(struct i2c_client
> *client,
> + struct ov5648_write_ctrl
> *ctrl,
> + const struct ov5648_reg
> *next)
> +{
> + if (ctrl->index == 0)
> + return 1;
> +
> + return ctrl->buffer.addr + ctrl->index == next->reg;
> +}
> +
> +static int ov5648_write_reg_array(struct i2c_client *client,
> + const struct ov5648_reg *reglist)
> +{
> + const struct ov5648_reg *next;
> + struct ov5648_write_ctrl ctrl;
> + int err;
> +
> + ctrl.index = 0;
> + for (next = reglist; next->type != OV5648_TOK_TERM; next++) {
> + switch (next->type & OV5648_TOK_MASK) {
> + case OV5648_TOK_DELAY:
> + err = __ov5648_flush_reg_array(client,
> &ctrl);
> + if (err)
> + return err;
> + msleep(next->val);
> + break;
> + default:
> + /*
> + * If next address is not consecutive, data
> needs to be
> + * flushed before proceed.
> + */
> + if
> (!__ov5648_write_reg_is_consecutive(client, &ctrl,
> + next))
> {
> + err =
> __ov5648_flush_reg_array(client, &ctrl);
> + if (err)
> + return err;
> + }
> + err = __ov5648_buf_reg_array(client, &ctrl,
> next);
> + if (err) {
> + dev_err(&client->dev, "write error:
> %d, aborted\n", err);
> + return err;
> + }
> + break;
> + }
> + }
> +
> + return __ov5648_flush_reg_array(client, &ctrl);
> +}
> +
> +static int ov5648_g_focal(struct v4l2_subdev *sd, s32 *val)
> +{
> + *val = (OV5648_FOCAL_LENGTH_NUM << 16) |
> OV5648_FOCAL_LENGTH_DEM;
> + return 0;
> +}
> +
> +static int ov5648_g_fnumber(struct v4l2_subdev *sd, s32 *val)
> +{
> + *val = (OV5648_F_NUMBER_DEFAULT_NUM << 16) |
> OV5648_F_NUMBER_DEM;
> + return 0;
> +}
> +
> +static int ov5648_g_fnumber_range(struct v4l2_subdev *sd, s32 *val)
> +{
> + *val = (OV5648_F_NUMBER_DEFAULT_NUM << 24) |
> + (OV5648_F_NUMBER_DEM << 16) |
> + (OV5648_F_NUMBER_DEFAULT_NUM << 8) |
> OV5648_F_NUMBER_DEM;
> + return 0;
> +}
> +
> +static int ov5648_g_bin_factor_x(struct v4l2_subdev *sd, s32 *val)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> +
> + *val = ov5648_res[dev->fmt_idx].bin_factor_x;
> +
> + return 0;
> +}
> +
> +static int ov5648_g_bin_factor_y(struct v4l2_subdev *sd, s32 *val)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> +
> + *val = ov5648_res[dev->fmt_idx].bin_factor_y;
> +
> + return 0;
> +}
> +
> +static int ov5648_get_intg_factor(struct i2c_client *client,
> + struct camera_mipi_info *info,
> + const struct ov5648_resolution
> *res)
> +{
> + struct v4l2_subdev *sd = i2c_get_clientdata(client);
> + struct atomisp_sensor_mode_data *buf = &info->data;
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + unsigned int pix_clk_freq_hz;
> + u16 reg_val;
> + int ret;
> +
> + if (!info)
> + return -EINVAL;
> +
> + pix_clk_freq_hz = res->pix_clk_freq * 1000000;
> +
> + dev->vt_pix_clk_freq_mhz = pix_clk_freq_hz;
> + buf->vt_pix_clk_freq_mhz = pix_clk_freq_hz;
> +
> + buf->coarse_integration_time_min =
> OV5648_COARSE_INTG_TIME_MIN;
> + buf->coarse_integration_time_max_margin =
> + OV5648_COARSE_INTG_TIME_MAX_MARGIN;
> +
> + buf->fine_integration_time_min = OV5648_FINE_INTG_TIME_MIN;
> + buf->fine_integration_time_max_margin =
> + OV5648_FINE_INTG_TIME_MAX_MARGIN;
> +
> + buf->fine_integration_time_def = OV5648_FINE_INTG_TIME_MIN;
> + buf->frame_length_lines = res->lines_per_frame;
> + buf->line_length_pck = res->pixels_per_line;
> + buf->read_mode = res->bin_mode;
> +
> + ret = ov5648_read_reg(client, OV5648_16BIT,
> + OV5648_HORIZONTAL_START_H, ®_val);
> + if (ret)
> + return ret;
> + buf->crop_horizontal_start = reg_val;
> +
> + ret = ov5648_read_reg(client, OV5648_16BIT,
> + OV5648_VERTICAL_START_H, ®_val);
> + if (ret)
> + return ret;
> + buf->crop_vertical_start = reg_val;
> +
> + ret = ov5648_read_reg(client, OV5648_16BIT,
> + OV5648_HORIZONTAL_END_H, ®_val);
> + if (ret)
> + return ret;
> + buf->crop_horizontal_end = reg_val;
> +
> + ret = ov5648_read_reg(client, OV5648_16BIT,
> + OV5648_VERTICAL_END_H, ®_val);
> + if (ret)
> + return ret;
> + buf->crop_vertical_end = reg_val;
> +
> + ret = ov5648_read_reg(client, OV5648_16BIT,
> + OV5648_HORIZONTAL_OUTPUT_SIZE_H,
> ®_val);
> + if (ret)
> + return ret;
> + buf->output_width = reg_val;
> +
> + ret = ov5648_read_reg(client, OV5648_16BIT,
> + OV5648_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 __ov5648_set_exposure(struct v4l2_subdev *sd, int
> coarse_itg,
> + int gain, int digitgain)
> +
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + int ret, exp_val, vts_val, temp;
> + u16 vts, hts;
> +
> + if (dev->run_mode == CI_MODE_VIDEO)
> + ov5648_res = ov5648_res_video;
> + else if (dev->run_mode == CI_MODE_STILL_CAPTURE)
> + ov5648_res = ov5648_res_still;
> + else
> + ov5648_res = ov5648_res_preview;
> +
> + hts = ov5648_res[dev->fmt_idx].pixels_per_line;
> + vts = ov5648_res[dev->fmt_idx].lines_per_frame;
> +
> + /* Group hold */
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_GROUP_ACCESS, 0x00);
> + if (ret)
> + return ret;
> +
> + /* Increase the VTS to match exposure + 4 */
> + if (coarse_itg + OV5648_INTEGRATION_TIME_MARGIN > vts)
> + vts_val = coarse_itg +
> OV5648_INTEGRATION_TIME_MARGIN;
> + else
> + vts_val = vts;
> + {
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_TIMING_VTS_H,
> + (vts_val >> 8) & 0xFF);
> + if (ret)
> + return ret;
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_TIMING_VTS_L,
> + vts_val & 0xFF);
> + if (ret)
> + return ret;
> + }
> +
> + /* Set exposure. Lower four bit should be 0 */
> + exp_val = coarse_itg << 4;
> +
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_EXPOSURE_L, exp_val & 0xFF);
> + if (ret)
> + return ret;
> +
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_EXPOSURE_M, (exp_val >> 8) &
> 0xFF);
> + if (ret)
> + return ret;
> +
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_EXPOSURE_H, (exp_val >> 16) &
> 0x0F);
> + if (ret)
> + return ret;
> +
> + /* Digital gain */
> + if (digitgain != dev->pre_digitgain) {
> + dev->pre_digitgain = digitgain;
> + temp = digitgain * dev->current_otp.R_gain >> 10;
> + if (temp >= 0x400) {
> + ret = ov5648_write_reg(client, OV5648_16BIT,
> + OV5648_MWB_RED_GAIN_H,
> temp);
> + if (ret)
> + return ret;
> + }
> +
> + temp = digitgain * dev->current_otp.G_gain >> 10;
> + if (temp >= 0x400) {
> + ret = ov5648_write_reg(client, OV5648_16BIT,
> + OV5648_MWB_GREEN_GAIN_
> H, temp);
> + if (ret)
> + return ret;
> + }
> +
> + temp = digitgain * dev->current_otp.B_gain >> 10;
> + if (temp >= 0x400) {
> + ret = ov5648_write_reg(client, OV5648_16BIT,
> + OV5648_MWB_BLUE_GAIN_H
> , temp);
> + if (ret)
> + return ret;
> + }
> + }
> +
> + /* Analog gain */
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_AGC_L, gain & 0xff);
> + if (ret)
> + return ret;
> +
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_AGC_H, (gain >> 8) & 0xff);
> + if (ret)
> + return ret;
> +
> + /* End group */
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_GROUP_ACCESS, 0x10);
> + if (ret)
> + return ret;
> +
> + /* Delay launch group */
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_GROUP_ACCESS, 0xa0);
> + if (ret)
> + return ret;
> +
> + return ret;
> +}
> +
> +static int ov5648_set_exposure(struct v4l2_subdev *sd, int exposure,
> + int gain, int digitgain)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + int ret;
> +
> + mutex_lock(&dev->input_lock);
> + ret = __ov5648_set_exposure(sd, exposure, gain, digitgain);
> + mutex_unlock(&dev->input_lock);
> +
> + return ret;
> +}
> +
> +static long ov5648_s_exposure(struct v4l2_subdev *sd,
> + struct atomisp_exposure *exposure)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + int exp = exposure->integration_time[0];
> + int digitgain = exposure->gain[1];
> + int gain = exposure->gain[0];
> +
> + /* We should not accept the invalid value below */
> + if (gain == 0) {
> + dev_err(&client->dev, "invalid gain value\n");
> + return -EINVAL;
> + }
> +
> + return ov5648_set_exposure(sd, exp, gain, digitgain);
> +}
> +
> +static long ov5648_ioctl(struct v4l2_subdev *sd, unsigned int cmd,
> void *arg)
> +{
> + switch (cmd) {
> + case ATOMISP_IOC_S_EXPOSURE:
> + return ov5648_s_exposure(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 ov5648_q_exposure(struct v4l2_subdev *sd, s32 *value)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + u16 reg_v, reg_v2;
> + int ret;
> +
> + ret = ov5648_read_reg(client, OV5648_8BIT,
> + OV5648_EXPOSURE_L, ®_v);
> + if (ret)
> + return ret;
> +
> + ret = ov5648_read_reg(client, OV5648_8BIT,
> + OV5648_EXPOSURE_M, ®_v2);
> + if (ret)
> + return ret;
> +
> + reg_v += reg_v2 << 8;
> + ret = ov5648_read_reg(client, OV5648_8BIT,
> + OV5648_EXPOSURE_H, ®_v2);
> + if (ret)
> + return ret;
> +
> + *value = reg_v + (((u32)reg_v2 << 16));
> + return ret;
> +}
> +
> +static int ov5648_vcm_power_up(struct v4l2_subdev *sd)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + struct camera_sensor_platform_data *pdata = dev-
> >platform_data;
> + struct camera_vcm_control *vcm;
> +
> + if (!dev->vcm_driver)
> + if (pdata && pdata->get_vcm_ctrl)
> + dev->vcm_driver =
> + pdata->get_vcm_ctrl(&dev->sd,
> + dev-
> >camera_module);
> +
> + vcm = dev->vcm_driver;
> + if (vcm && vcm->ops && vcm->ops->power_up)
> + return vcm->ops->power_up(sd, vcm);
> +
> + return 0;
> +}
> +
> +static int ov5648_vcm_power_down(struct v4l2_subdev *sd)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + struct camera_vcm_control *vcm = dev->vcm_driver;
> +
> + if (vcm && vcm->ops && vcm->ops->power_down)
> + return vcm->ops->power_down(sd, vcm);
> +
> + return 0;
> +}
> +
> +static int ov5648_v_flip(struct v4l2_subdev *sd, s32 value)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + int ret;
> + u16 val;
> +
> + ret = ov5648_read_reg(client, OV5648_8BIT, OV5648_VFLIP_REG,
> &val);
> + if (ret)
> + return ret;
> +
> + if (value)
> + val |= OV5648_VFLIP_VALUE;
> + else
> + val &= ~OV5648_VFLIP_VALUE;
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_VFLIP_REG, val);
> + return ret;
> +}
> +
> +static int ov5648_h_flip(struct v4l2_subdev *sd, s32 value)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + int ret;
> + u16 val;
> +
> + ret = ov5648_read_reg(client, OV5648_8BIT, OV5648_HFLIP_REG,
> &val);
> + if (ret)
> + return ret;
> +
> + if (value)
> + val |= OV5648_HFLIP_VALUE;
> + else
> + val &= ~OV5648_HFLIP_VALUE;
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_HFLIP_REG, val);
> + return ret;
> +}
> +
> +static int ov5648_s_ctrl(struct v4l2_ctrl *ctrl)
> +{
> + struct ov5648_device *dev = container_of(ctrl->handler,
> + struct ov5648_device, ctrl_handler);
> + int ret;
> +
> + switch (ctrl->id) {
> + case V4L2_CID_VFLIP:
> + ret = ov5648_v_flip(&dev->sd, ctrl->val);
> + break;
> + case V4L2_CID_HFLIP:
> + ret = ov5648_h_flip(&dev->sd, ctrl->val);
> + break;
> + default:
> + ret = -EINVAL;
> + }
> + return ret;
> +}
> +
> +static int ov5648_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
> +{
> + struct ov5648_device *dev = container_of(ctrl->handler,
> + struct ov5648_device, ctrl_handler);
> + int ret;
> +
> + switch (ctrl->id) {
> + case V4L2_CID_EXPOSURE_ABSOLUTE:
> + ret = ov5648_q_exposure(&dev->sd, &ctrl->val);
> + break;
> + case V4L2_CID_FOCAL_ABSOLUTE:
> + ret = ov5648_g_focal(&dev->sd, &ctrl->val);
> + break;
> + case V4L2_CID_FNUMBER_ABSOLUTE:
> + ret = ov5648_g_fnumber(&dev->sd, &ctrl->val);
> + break;
> + case V4L2_CID_FNUMBER_RANGE:
> + ret = ov5648_g_fnumber_range(&dev->sd, &ctrl->val);
> + break;
> + case V4L2_CID_BIN_FACTOR_HORZ:
> + ret = ov5648_g_bin_factor_x(&dev->sd, &ctrl->val);
> + break;
> + case V4L2_CID_BIN_FACTOR_VERT:
> + ret = ov5648_g_bin_factor_y(&dev->sd, &ctrl->val);
> + break;
> + default:
> + ret = -EINVAL;
> + }
> +
> + return ret;
> +}
> +
> +static const struct v4l2_ctrl_ops ctrl_ops = {
> + .s_ctrl = ov5648_s_ctrl,
> + .g_volatile_ctrl = ov5648_g_volatile_ctrl
> +};
> +
> +struct v4l2_ctrl_config ov5648_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 = OV5648_FOCAL_LENGTH_DEFAULT,
> + .max = OV5648_FOCAL_LENGTH_DEFAULT,
> + .step = 0x01,
> + .def = OV5648_FOCAL_LENGTH_DEFAULT,
> + .flags = 0,
> + },
> + {
> + .ops = &ctrl_ops,
> + .id = V4L2_CID_FNUMBER_ABSOLUTE,
> + .type = V4L2_CTRL_TYPE_INTEGER,
> + .name = "f-number",
> + .min = OV5648_F_NUMBER_DEFAULT,
> + .max = OV5648_F_NUMBER_DEFAULT,
> + .step = 0x01,
> + .def = OV5648_F_NUMBER_DEFAULT,
> + .flags = 0,
> + },
> + {
> + .ops = &ctrl_ops,
> + .id = V4L2_CID_FNUMBER_RANGE,
> + .type = V4L2_CTRL_TYPE_INTEGER,
> + .name = "f-number range",
> + .min = OV5648_F_NUMBER_RANGE,
> + .max = OV5648_F_NUMBER_RANGE,
> + .step = 0x01,
> + .def = OV5648_F_NUMBER_RANGE,
> + .flags = 0,
> + },
> + {
> + .ops = &ctrl_ops,
> + .id = V4L2_CID_BIN_FACTOR_HORZ,
> + .type = V4L2_CTRL_TYPE_INTEGER,
> + .name = "horizontal binning factor",
> + .min = 0,
> + .max = OV5648_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 = OV5648_BIN_FACTOR_MAX,
> + .step = 1,
> + .def = 0,
> + .flags = 0,
> + },
> + {
> + .ops = &ctrl_ops,
> + .id = V4L2_CID_VFLIP,
> + .type = V4L2_CTRL_TYPE_BOOLEAN,
> + .name = "Flip",
> + .min = 0,
> + .max = 1,
> + .step = 1,
> + .def = 0,
> + },
> + {
> + .ops = &ctrl_ops,
> + .id = V4L2_CID_HFLIP,
> + .type = V4L2_CTRL_TYPE_BOOLEAN,
> + .name = "Mirror",
> + .min = 0,
> + .max = 1,
> + .step = 1,
> + .def = 0,
> + },
> +};
> +
> +static int ov5648_init(struct v4l2_subdev *sd)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + int ret;
> +
> + mutex_lock(&dev->input_lock);
> +
> + ov5648_res = ov5648_res_preview;
> + N_RES = N_RES_PREVIEW;
> +
> + ret = ov5648_write_reg_array(client, ov5648_global_settings);
> + if (ret) {
> + dev_err(&client->dev, "write global settings error:
> %d\n", ret);
> + mutex_unlock(&dev->input_lock);
> + return ret;
> + }
> +
> + mutex_unlock(&dev->input_lock);
> +
> + return 0;
> +}
> +
> +/*
> + * Camera driver need to load AWB calibration data
> + * stored in OTP and write to gain registers after
> + * initialization of register settings.
> + * index: index of OTP group (1, 2, 3)
> + * return: 0, group index is empty
> + * 1, group index has invalid data
> + * 2, group index has valid data
> + */
> +static int check_otp(struct i2c_client *client, int index)
> +{
> + int i;
> + u16 flag = 0, rg = 0, bg = 0;
> +
> + if (index == 1) {
> + /* Read OTP --Bank 0 */
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d84, 0xc0);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d85, 0x00);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d86, 0x0f);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d81, 0x01);
> + mdelay(5);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d05, &flag);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d07, &rg);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d08, &bg);
> + } else if (index == 2) {
> + /* Read OTP --Bank 0 */
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d84, 0xc0);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d85, 0x00);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d86, 0x0f);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d81, 0x01);
> + mdelay(5);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d0e, &flag);
> + /* Read OTP --Bank 1 */
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d84, 0xc0);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d85, 0x10);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d86, 0x1f);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d81, 0x01);
> + mdelay(5);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d00, &rg);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d01, &bg);
> + } else if (index == 3) {
> + /* Read OTP --Bank 1 */
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d84, 0xc0);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d85, 0x10);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d86, 0x1f);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d81, 0x01);
> + mdelay(5);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d07, &flag);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d09, &rg);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d0a, &bg);
> + }
> +
> + flag = flag & 0x80;
> +
> + /* Clear OTP buffer */
> + for (i = 0; i < 16; i++)
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d00 + i,
> 0x00);
> +
> + if (flag)
> + return 1;
> + else if (rg == 0 && bg == 0)
> + return 0;
> + else
> + return 2;
> +}
> +
> +/*
> + * index: index of OTP group (1, 2, 3)
> + * return: 0,
> + */
> +static int read_otp(struct i2c_client *client,
> + int index, struct otp_struct *otp_ptr)
> +{
> + int i;
> + u16 temp;
> +
> + if (index == 1) {
> + /* Read OTP --Bank 0 */
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d84, 0xc0);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d85, 0x00);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d86, 0x0f);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d81, 0x01);
> + mdelay(5);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d05,
> &((*otp_ptr).module_integrator_id));
> + (*otp_ptr).module_integrator_id =
> + (*otp_ptr).module_integrator_id & 0x7f;
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d06, &((*otp_ptr).lens_id));
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d0b, &temp);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d07, &((*otp_ptr).rg_ratio));
> + (*otp_ptr).rg_ratio =
> + ((*otp_ptr).rg_ratio << 2) + ((temp >> 6) &
> 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d08, &((*otp_ptr).bg_ratio));
> + (*otp_ptr).bg_ratio =
> + ((*otp_ptr).bg_ratio << 2) + ((temp >> 4) &
> 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0c, &((*otp_ptr).light_rg));
> + (*otp_ptr).light_rg =
> + ((*otp_ptr).light_rg << 2) + ((temp >> 2) &
> 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0d, &((*otp_ptr).light_bg));
> + (*otp_ptr).light_bg =
> + ((*otp_ptr).light_bg << 2) + (temp & 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d09, &((*otp_ptr).user_data[0]));
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0a, &((*otp_ptr).user_data[1]));
> + } else if (index == 2) {
> + /* Read OTP --Bank 0 */
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d84, 0xc0);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d85, 0x00);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d86, 0x0f);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d81, 0x01);
> + mdelay(5);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0e,
> &((*otp_ptr).module_integrator_id));
> + (*otp_ptr).module_integrator_id =
> + (*otp_ptr).module_integrator_id & 0x7f;
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0f, &((*otp_ptr).lens_id));
> + /* Read OTP --Bank 1 */
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d84, 0xc0);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d85, 0x10);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d86, 0x1f);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d81, 0x01);
> + mdelay(5);
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d04, &temp);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d00, &((*otp_ptr).rg_ratio));
> + (*otp_ptr).rg_ratio =
> + ((*otp_ptr).rg_ratio << 2) + ((temp >> 6) &
> 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d01, &((*otp_ptr).bg_ratio));
> + (*otp_ptr).bg_ratio =
> + ((*otp_ptr).bg_ratio << 2) + ((temp >> 4) &
> 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d05, &((*otp_ptr).light_rg));
> + (*otp_ptr).light_rg =
> + ((*otp_ptr).light_rg << 2) + ((temp >> 2) &
> 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d06, &((*otp_ptr).light_bg));
> + (*otp_ptr).light_bg =
> + ((*otp_ptr).light_bg << 2) + (temp & 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d02, &((*otp_ptr).user_data[0]));
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d03, &((*otp_ptr).user_data[1]));
> + } else if (index == 3) {
> + /* Read OTP --Bank 1 */
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d84, 0xc0);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d85, 0x10);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d86, 0x1f);
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d81, 0x01);
> + mdelay(5);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d07,
> &((*otp_ptr).module_integrator_id));
> + (*otp_ptr).module_integrator_id =
> + (*otp_ptr).module_integrator_id & 0x7f;
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d08, &((*otp_ptr).lens_id));
> + ov5648_read_reg(client, OV5648_8BIT, 0x3d0d, &temp);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d09, &((*otp_ptr).rg_ratio));
> + (*otp_ptr).rg_ratio =
> + ((*otp_ptr).rg_ratio << 2) + ((temp >> 6) &
> 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0a, &((*otp_ptr).bg_ratio));
> + (*otp_ptr).bg_ratio =
> + ((*otp_ptr).bg_ratio << 2) + ((temp >> 4) &
> 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0e, &((*otp_ptr).light_rg));
> + (*otp_ptr).light_rg =
> + ((*otp_ptr).light_rg << 2) + ((temp >> 2) &
> 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0f, &((*otp_ptr).light_bg));
> + (*otp_ptr).light_bg =
> + ((*otp_ptr).light_bg << 2) + (temp & 0x03);
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0b, &((*otp_ptr).user_data[0]));
> + ov5648_read_reg(client, OV5648_8BIT,
> + 0x3d0c, &((*otp_ptr).user_data[1]));
> + }
> +
> + /* Clear OTP buffer */
> + for (i = 0; i < 16; i++)
> + ov5648_write_reg(client, OV5648_8BIT, 0x3d00 + i,
> 0x00);
> +
> + return 0;
> +}
> +
> +/*
> + * R_gain, sensor red gain of AWB, 0x400 =1
> + * G_gain, sensor green gain of AWB, 0x400 =1
> + * B_gain, sensor blue gain of AWB, 0x400 =1
> + * return 0;
> + */
> +static int update_awb_gain(struct v4l2_subdev *sd)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + int R_gain = dev->current_otp.R_gain;
> + int G_gain = dev->current_otp.G_gain;
> + int B_gain = dev->current_otp.B_gain;
> +
> + if (R_gain > 0x400) {
> + ov5648_write_reg(client, OV5648_8BIT, 0x5186, R_gain
> >> 8);
> + ov5648_write_reg(client, OV5648_8BIT, 0x5187, R_gain
> & 0x00ff);
> + }
> + if (G_gain > 0x400) {
> + ov5648_write_reg(client, OV5648_8BIT, 0x5188, G_gain
> >> 8);
> + ov5648_write_reg(client, OV5648_8BIT, 0x5189, G_gain
> & 0x00ff);
> + }
> + if (B_gain > 0x400) {
> + ov5648_write_reg(client, OV5648_8BIT, 0x518a, B_gain
> >> 8);
> + ov5648_write_reg(client, OV5648_8BIT, 0x518b, B_gain
> & 0x00ff);
> + }
> + #ifdef OV5648_DEBUG_EN
> + dev_dbg(&client->dev, "AWB: rgain=[%x], ggain=[%x],
> bgain=[%x]\n",
> + R_gain, G_gain, B_gain);
> + #endif
> + return 0;
> +}
> +
> +/*
> + * Call this function after OV5648 initialization
> + * return: 0 update success
> + * 1, no OTP
> + */
> +static int update_otp(struct v4l2_subdev *sd)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + struct otp_struct current_otp;
> + int R_gain, G_gain, B_gain, G_gain_R, G_gain_B;
> + int otp_index;
> + int i, ret;
> + u16 rg = 1;
> + u16 bg = 1;
> + u16 temp;
> +
> + // OTP is valid after MIPI on and SW stream on
> + ov5648_write_reg(client, OV5648_8BIT, OV5648_SW_STREAM,
> + OV5648_START_STREAMING);
> +
> + /*
> + * R/G and B/G of current camera module is read out from
> sensor OTP
> + * check first OTP with valid data
> + */
> + for (i = 1; i <= 3; i++) {
> + temp = check_otp(client, i);
> + if (temp == 2) {
> + otp_index = i;
> + break;
> + }
> + }
> + if (i > 3) {
> + dev_info(&client->dev, "no valid WB OTP data\n");
> + return 1;
> + }
> + read_otp(client, otp_index, ¤t_otp);
> + if (current_otp.light_rg == 0) {
> + /* No light source information found in OTP */
> + rg = current_otp.rg_ratio;
> + } else {
> + rg = current_otp.rg_ratio * (current_otp.light_rg +
> 512) / 1024;
> + }
> + if (current_otp.light_bg == 0) {
> + /* No light source information found in OTP */
> + bg = current_otp.bg_ratio;
> + } else {
> + bg = current_otp.bg_ratio * (current_otp.light_bg +
> 512) / 1024;
> + }
> + #ifdef OV5648_DEBUG_EN
> + dev_dbg(&client->dev, "OTP: rg=[%x], bg=[%x]\n", rg, bg);
> + #endif
> + if (rg == 0)
> + rg = 1;
> + if (bg == 0)
> + bg = 1;
> + /*
> + * Calculate G gain
> + * 0x400 = 1x gain
> + */
> + if (bg < BG_RADIO_TYPICAL) {
> + if (rg < RG_RADIO_TYPICAL) {
> + /*
> + * current_otp.bg_ratio < BG_RADIO_TYPICAL &&
> + * current_otp.rg_ratio < RG_RADIO_TYPICAL
> + */
> + G_gain = 0x400;
> + B_gain = 0x400 * BG_RADIO_TYPICAL / bg;
> + R_gain = 0x400 * RG_RADIO_TYPICAL / rg;
> + } else {
> + /*
> + * current_otp.bg_ratio < BG_RADIO_TYPICAL &&
> + * current_otp.rg_ratio >= RG_RADIO_TYPICAL
> + */
> + R_gain = 0x400;
> + G_gain = 0x400 * rg / RG_RADIO_TYPICAL;
> + B_gain = G_gain * BG_RADIO_TYPICAL / bg;
> + }
> + } else {
> + if (rg < RG_RADIO_TYPICAL) {
> + /* current_otp.bg_ratio >= BG_RADIO_TYPICAL
> &&
> + * current_otp.rg_ratio < RG_RADIO_TYPICAL
> + */
> + B_gain = 0x400;
> + G_gain = 0x400 * bg / BG_RADIO_TYPICAL;
> + R_gain = G_gain * RG_RADIO_TYPICAL / rg;
> + } else {
> + /* current_otp.bg_ratio >= BG_RADIO_TYPICAL
> &&
> + * current_otp.rg_ratio >= RG_RADIO_TYPICAL
> + */
> + G_gain_B = 0x400 * bg / BG_RADIO_TYPICAL;
> + G_gain_R = 0x400 * rg / RG_RADIO_TYPICAL;
> + if (G_gain_B > G_gain_R) {
> + B_gain = 0x400;
> + G_gain = G_gain_B;
> + R_gain = G_gain * RG_RADIO_TYPICAL /
> rg;
> + } else {
> + R_gain = 0x400;
> + G_gain = G_gain_R;
> + B_gain = G_gain * BG_RADIO_TYPICAL /
> bg;
> + }
> + }
> + }
> +
> + dev->current_otp.R_gain = R_gain;
> + dev->current_otp.G_gain = G_gain;
> + dev->current_otp.B_gain = B_gain;
> +
> + ret = ov5648_write_reg(client, OV5648_8BIT,
> + OV5648_SW_STREAM,
> OV5648_STOP_STREAMING);
> + return ret;
> +}
> +
> +static int power_ctrl(struct v4l2_subdev *sd, bool flag)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + int ret = 0;
> +
> + if (!dev || !dev->platform_data)
> + return -ENODEV;
> +
> + if (flag) {
> + ret |= dev->platform_data->v1p8_ctrl(sd, 1);
> + ret |= dev->platform_data->v2p8_ctrl(sd, 1);
> + usleep_range(10000, 15000);
> + }
> +
> + if (!flag || ret) {
> + 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)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + int ret;
> +
> + if (!dev || !dev->platform_data)
> + return -ENODEV;
> +
> + /*
> + * GPIO0 == "RESETB", GPIO1 == "PWDNB", named in opposite
> + * senses but with the same behavior: both must be high for
> + * the device to opperate
> + */
> + if (flag) {
> + ret = dev->platform_data->gpio0_ctrl(sd, 1);
> + usleep_range(10000, 15000);
> + ret |= dev->platform_data->gpio1_ctrl(sd, 1);
> + usleep_range(10000, 15000);
> + } else {
> + ret = dev->platform_data->gpio1_ctrl(sd, 0);
> + ret |= dev->platform_data->gpio0_ctrl(sd, 0);
> + }
> + return ret;
> +}
> +
> +static int power_up(struct v4l2_subdev *sd)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + int ret;
> +
> + if (!dev->platform_data) {
> + dev_err(&client->dev,
> + "no camera_sensor_platform_data\n");
> + return -ENODEV;
> + }
> +
> + ret = power_ctrl(sd, 1);
> + if (ret)
> + goto fail_power;
> +
> + /* According to DS, at least 5ms is needed between DOVDD and
> PWDN */
> + usleep_range(5000, 6000);
> +
> + ret = gpio_ctrl(sd, 1);
> + if (ret) {
> + ret = gpio_ctrl(sd, 1);
> + if (ret)
> + goto fail_power;
> + }
> +
> + ret = dev->platform_data->flisclk_ctrl(sd, 1);
> + if (ret)
> + goto fail_clk;
> +
> + /* According to DS, 20ms is needed between PWDN and i2c
> access */
> + msleep(20);
> +
> + 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 i2c_client *client = v4l2_get_subdevdata(sd);
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + int ret;
> +
> + h_flag = H_FLIP_DEFAULT;
> + v_flag = V_FLIP_DEFAULT;
> + if (!dev->platform_data) {
> + dev_err(&client->dev,
> + "no camera_sensor_platform_data\n");
> + return -ENODEV;
> + }
> +
> + ret = dev->platform_data->flisclk_ctrl(sd, 0);
> + if (ret)
> + dev_err(&client->dev, "flisclk failed\n");
> +
> + ret = gpio_ctrl(sd, 0);
> + if (ret) {
> + ret = gpio_ctrl(sd, 0);
> + if (ret)
> + dev_err(&client->dev, "gpio failed (2)\n");
> + }
> +
> + ret = power_ctrl(sd, 0);
> + if (ret)
> + dev_err(&client->dev, "vprog failed\n");
> +
> + return ret;
> +}
> +
> +static int ov5648_s_power(struct v4l2_subdev *sd, int on)
> +{
> + int ret;
> +
> + if (on == 0) {
> + ret = power_down(sd);
> + ret |= ov5648_vcm_power_down(sd);
> + } else {
> + ret = ov5648_vcm_power_up(sd);
> + if (ret)
> + return ret;
> +
> + ret |= power_up(sd);
> + if (!ret)
> + return ov5648_init(sd);
> + }
> + return ret;
> +}
> +
> +/*
> + * distance - calculate the distance
> + * @res: resolution
> + * @w: width
> + * @h: height
> + *
> + * Get the gap between resolution and w/h.
> + * res->width/height smaller than w/h wouldn't be considered.
> + * Returns the value of gap or -1 if fail.
> + */
> +#define LARGEST_ALLOWED_RATIO_MISMATCH 900
> +static int distance(struct ov5648_resolution *res, u32 w, u32 h)
> +{
> + unsigned int w_ratio = ((res->width << 13) / w);
> + unsigned int h_ratio;
> + int match;
> +
> + if (h == 0)
> + return -1;
> + h_ratio = ((res->height << 13) / h);
> + if (h_ratio == 0)
> + return -1;
> + match = abs(((w_ratio << 13) / h_ratio) - 8192);
> +
> + if (w_ratio < 8192 || h_ratio < 8192 ||
> + match > LARGEST_ALLOWED_RATIO_MISMATCH)
> + return -1;
> +
> + return w_ratio + h_ratio;
> +}
> +
> +/* Return the nearest higher resolution index */
> +static int nearest_resolution_index(int w, int h)
> +{
> + int i;
> + int idx = -1;
> + int dist;
> + int min_dist = INT_MAX;
> + struct ov5648_resolution *tmp_res = NULL;
> +
> + for (i = 0; i < N_RES; i++) {
> + tmp_res = &ov5648_res[i];
> + dist = distance(tmp_res, w, h);
> + if (dist == -1)
> + continue;
> + if (dist < min_dist) {
> + min_dist = dist;
> + idx = i;
> + }
> + }
> +
> + return idx;
> +}
> +
> +static int get_resolution_index(int w, int h)
> +{
> + int i;
> +
> + for (i = 0; i < N_RES; i++) {
> + if (w != ov5648_res[i].width)
> + continue;
> + if (h != ov5648_res[i].height)
> + continue;
> +
> + return i;
> + }
> +
> + return -1;
> +}
> +
> +static int ov5648_set_fmt(struct v4l2_subdev *sd,
> + struct v4l2_subdev_pad_config *cfg,
> + struct v4l2_subdev_format *format)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + struct v4l2_mbus_framefmt *fmt = &format->format;
> + struct camera_mipi_info *ov5648_info = NULL;
> + int ret;
> + int idx;
> +
> + if (format->pad)
> + return -EINVAL;
> +
> + if (!fmt)
> + return -EINVAL;
> +
> + ov5648_info = v4l2_get_subdev_hostdata(sd);
> + if (!ov5648_info)
> + return -EINVAL;
> +
> + mutex_lock(&dev->input_lock);
> + idx = nearest_resolution_index(fmt->width,
> + fmt->height);
> + if (idx == -1) {
> + /* Return the largest resolution */
> + fmt->width = ov5648_res[0].width;
> + fmt->height = ov5648_res[0].height;
> + } else {
> + fmt->width = ov5648_res[idx].width;
> + fmt->height = ov5648_res[idx].height;
> + }
> + fmt->code = MEDIA_BUS_FMT_SGRBG10_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 failed\n");
> + mutex_unlock(&dev->input_lock);
> + return -EINVAL;
> + }
> +
> + ret = ov5648_write_reg_array(client, ov5648_res[dev-
> >fmt_idx].regs);
> + if (ret)
> + dev_err(&client->dev, "write register error: %d\n",
> ret);
> + else if (dev->current_otp.otp_en == 1)
> + update_awb_gain(sd);
> +
> + /*
> + * Recall flip functions to avoid flip registers
> + * were overridden by default setting
> + */
> + if (h_flag)
> + ov5648_h_flip(sd, h_flag);
> + if (v_flag)
> + ov5648_v_flip(sd, v_flag);
> +
> + ret = ov5648_get_intg_factor(client, ov5648_info,
> + &ov5648_res[dev->fmt_idx]);
> + if (ret) {
> + dev_err(&client->dev,
> + "failed to get integration_factor, error:
> %d\n", ret);
> + goto err;
> + }
> +
> +err:
> + mutex_unlock(&dev->input_lock);
> + return ret;
> +}
> +
> +static int ov5648_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 ov5648_device *dev = to_ov5648_sensor(sd);
> +
> + if (format->pad)
> + return -EINVAL;
> +
> + if (!fmt)
> + return -EINVAL;
> +
> + fmt->width = ov5648_res[dev->fmt_idx].width;
> + fmt->height = ov5648_res[dev->fmt_idx].height;
> + fmt->code = MEDIA_BUS_FMT_SBGGR10_1X10;
> +
> + return 0;
> +}
> +
> +static int ov5648_detect(struct i2c_client *client)
> +{
> + struct i2c_adapter *adapter = client->adapter;
> + u16 high, low;
> + int ret;
> + u16 id;
> +
> + if (!i2c_check_functionality(adapter, I2C_FUNC_I2C))
> + return -ENODEV;
> +
> + ret = ov5648_read_reg(client, OV5648_8BIT,
> + OV5648_SC_CMMN_CHIP_ID_H, &high);
> + if (ret) {
> + dev_err(&client->dev,
> + "sensor_id_high = 0x%x, error: %d\n", high,
> ret);
> + return -ENODEV;
> + }
> +
> + ret = ov5648_read_reg(client, OV5648_8BIT,
> + OV5648_SC_CMMN_CHIP_ID_L, &low);
> + id = ((u16)high << 8) | (u16)low;
> + if (id != OV5648_ID) {
> + dev_err(&client->dev, "sensor ID error\n");
> + return -ENODEV;
> + }
> +
> + ret = ov5648_read_reg(client, OV5648_8BIT,
> + OV5648_SC_CMMN_SUB_ID, &high);
> + dev_dbg(&client->dev, "sensor_revision = 0x%c\n",
> hex_asc_lo(high));
> + return 0;
> +}
> +
> +static int ov5648_s_stream(struct v4l2_subdev *sd, int enable)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + int ret;
> +
> + mutex_lock(&dev->input_lock);
> +
> + ret = ov5648_write_reg(client, OV5648_8BIT, OV5648_SW_STREAM,
> + enable ? OV5648_START_STREAMING :
> + OV5648_STOP_STREAMING);
> +
> + mutex_unlock(&dev->input_lock);
> +
> + return ret;
> +}
> +
> +static int ov5648_s_config(struct v4l2_subdev *sd,
> + int irq, void *platform_data)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> + int ret;
> +
> + if (!platform_data)
> + 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 sequence needed by the module
> + */
> + ret = power_down(sd);
> + if (ret) {
> + dev_err(&client->dev, "power-off error: %d\n", ret);
> + goto fail_power_off;
> + }
> +
> + ret = power_up(sd);
> + if (ret) {
> + dev_err(&client->dev, "power-up error: %d\n", ret);
> + goto fail_power_on;
> + }
> +
> + ret = dev->platform_data->csi_cfg(sd, 1);
> + if (ret)
> + goto fail_csi_cfg;
> +
> + ret = ov5648_detect(client);
> + if (ret) {
> + dev_err(&client->dev, "detect s_config error: %d\n",
> ret);
> + goto fail_csi_cfg;
> + }
> +
> + if (dev->current_otp.otp_en == 1)
> + update_otp(sd);
> +
> + ret = power_down(sd);
> + if (ret) {
> + dev_err(&client->dev, "power-off error: %d\n", ret);
> + goto fail_csi_cfg;
> + }
> + mutex_unlock(&dev->input_lock);
> +
> + return 0;
> +
> +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 ov5648_g_parm(struct v4l2_subdev *sd,
> + struct v4l2_streamparm *param)
> +{
> + struct i2c_client *client = v4l2_get_subdevdata(sd);
> + struct ov5648_device *dev = to_ov5648_sensor(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 =
> + ov5648_res[dev->fmt_idx].fps;
> + }
> + return 0;
> +}
> +
> +static int ov5648_s_parm(struct v4l2_subdev *sd,
> + struct v4l2_streamparm *param)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> +
> + dev->run_mode = param->parm.capture.capturemode;
> +
> + mutex_lock(&dev->input_lock);
> + switch (dev->run_mode) {
> + case CI_MODE_VIDEO:
> + ov5648_res = ov5648_res_video;
> + N_RES = N_RES_VIDEO;
> + break;
> + case CI_MODE_STILL_CAPTURE:
> + ov5648_res = ov5648_res_still;
> + N_RES = N_RES_STILL;
> + break;
> + default:
> + ov5648_res = ov5648_res_preview;
> + N_RES = N_RES_PREVIEW;
> + }
> + mutex_unlock(&dev->input_lock);
> + return 0;
> +}
> +
> +static int ov5648_g_frame_interval(struct v4l2_subdev *sd,
> + struct v4l2_subdev_frame_interval
> *interval)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> +
> + interval->interval.numerator = 1;
> + interval->interval.denominator = ov5648_res[dev-
> >fmt_idx].fps;
> +
> + return 0;
> +}
> +
> +static int ov5648_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 ov5648_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 = ov5648_res[index].width;
> + fse->min_height = ov5648_res[index].height;
> + fse->max_width = ov5648_res[index].width;
> + fse->max_height = ov5648_res[index].height;
> +
> + return 0;
> +}
> +
> +static int ov5648_g_skip_frames(struct v4l2_subdev *sd, u32 *frames)
> +{
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> +
> + mutex_lock(&dev->input_lock);
> + *frames = ov5648_res[dev->fmt_idx].skip_frames;
> + mutex_unlock(&dev->input_lock);
> +
> + return 0;
> +}
> +
> +static const struct v4l2_subdev_sensor_ops ov5648_sensor_ops = {
> + .g_skip_frames = ov5648_g_skip_frames,
> +};
> +
> +static const struct v4l2_subdev_video_ops ov5648_video_ops = {
> + .s_stream = ov5648_s_stream,
> + .g_parm = ov5648_g_parm,
> + .s_parm = ov5648_s_parm,
> + .g_frame_interval = ov5648_g_frame_interval,
> +};
> +
> +static const struct v4l2_subdev_core_ops ov5648_core_ops = {
> + .s_power = ov5648_s_power,
> + .ioctl = ov5648_ioctl,
> +};
> +
> +static const struct v4l2_subdev_pad_ops ov5648_pad_ops = {
> + .enum_mbus_code = ov5648_enum_mbus_code,
> + .enum_frame_size = ov5648_enum_frame_size,
> + .get_fmt = ov5648_get_fmt,
> + .set_fmt = ov5648_set_fmt,
> +};
> +
> +static const struct v4l2_subdev_ops ov5648_ops = {
> + .core = &ov5648_core_ops,
> + .video = &ov5648_video_ops,
> + .pad = &ov5648_pad_ops,
> + .sensor = &ov5648_sensor_ops,
> +};
> +
> +static int ov5648_remove(struct i2c_client *client)
> +{
> + struct v4l2_subdev *sd = i2c_get_clientdata(client);
> + struct ov5648_device *dev = to_ov5648_sensor(sd);
> +
> + dev->platform_data->csi_cfg(sd, 0);
> +
> + v4l2_device_unregister_subdev(sd);
> + media_entity_cleanup(&dev->sd.entity);
> + v4l2_ctrl_handler_free(&dev->ctrl_handler);
> +
> + return 0;
> +}
> +
> +static int ov5648_probe(struct i2c_client *client)
> +{
> + struct ov5648_device *dev;
> + size_t len = CAMERA_MODULE_ID_LEN * sizeof(char);
> + int ret;
> + void *pdata;
> + unsigned int i;
> +
> + dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL);
> + if (!dev)
> + return -ENOMEM;
> +
> + dev->camera_module = devm_kzalloc(&client->dev, len,
> GFP_KERNEL);
> + if (!dev->camera_module)
> + return -ENOMEM;
> +
> + mutex_init(&dev->input_lock);
> +
> + dev->fmt_idx = 0;
> + dev->current_otp.otp_en = 1;
> + v4l2_i2c_subdev_init(&dev->sd, client, &ov5648_ops);
> +
> + if (gmin_get_config_var(&client->dev, "CameraModule",
> + dev->camera_module, &len)) {
> + devm_kfree(&client->dev, dev->camera_module);
> + dev->camera_module = NULL;
> + dev_info(&client->dev, "CameraModule gmin variable is
> missing\n");
> + }
> +
> + pdata = gmin_camera_platform_data(&dev->sd,
> + ATOMISP_INPUT_FORMAT_RAW_10
> ,
> + atomisp_bayer_order_bggr);
> + if (!pdata)
> + return -EINVAL;
> +
> + ret = ov5648_s_config(&dev->sd, client->irq, pdata);
> + if (ret)
> + return ret;
> +
> + ret = atomisp_register_i2c_module(&dev->sd, pdata,
> RAW_CAMERA);
> + if (ret)
> + return ret;
> +
> + 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(ov5648_controls));
> + if (ret) {
> + ov5648_remove(client);
> + return ret;
> + }
> +
> + for (i = 0; i < ARRAY_SIZE(ov5648_controls); i++)
> + v4l2_ctrl_new_custom(&dev->ctrl_handler,
> + &ov5648_controls[i], NULL);
> +
> + if (dev->ctrl_handler.error) {
> + ov5648_remove(client);
> + return dev->ctrl_handler.error;
> + }
> +
> + 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)
> + ov5648_remove(client);
> +
> + return ret;
> +}
> +
> +static const struct acpi_device_id ov5648_acpi_match[] = {
> + {"INT5648"},
> + {},
> +};
> +MODULE_DEVICE_TABLE(acpi, ov5648_acpi_match);
> +
> +static struct i2c_driver ov5648_driver = {
> + .driver = {
> + .name = "ov5648",
> + .acpi_match_table = ov5648_acpi_match,
> + },
> + .probe_new = ov5648_probe,
> + .remove = ov5648_remove,
> +};
> +module_i2c_driver(ov5648_driver);
> +
> +MODULE_DESCRIPTION("A low-level driver for OmniVision 5648 sensors");
> +MODULE_LICENSE("GPL");
> diff --git a/drivers/staging/media/atomisp/i2c/ov5648.h
> b/drivers/staging/media/atomisp/i2c/ov5648.h
> new file mode 100644
> index 0000000..d9f2d45
> --- /dev/null
> +++ b/drivers/staging/media/atomisp/i2c/ov5648.h
> @@ -0,0 +1,828 @@
> +/*
> + * Support for OmniVision OV5648 5M camera sensor.
> + * Based on OmniVision OV2722 driver.
> + *
> + * Copyright (c) 2013 Intel Corporation. All Rights Reserved.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License
> version
> + * 2 as published by the Free Software Foundation.
> + *
> + * 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.
> + */
> +
> +#ifndef __OV5648_H__
> +#define __OV5648_H__
> +#include <linux/kernel.h>
> +#include <media/v4l2-ctrls.h>
> +#include <linux/v4l2-mediabus.h>
> +#include "../include/linux/atomisp_platform.h"
> +
> +/* Defines for register writes and register array processing */
> +#define I2C_MSG_LENGTH 0x2
> +#define I2C_RETRY_COUNT 5
> +
> +#define OV5648_FOCAL_LENGTH_NUM 334 /*3.34mm */
> +#define OV5648_FOCAL_LENGTH_DEM 100
> +#define OV5648_F_NUMBER_DEFAULT_NUM 28
> +#define OV5648_F_NUMBER_DEM 10
> +
> +#define MAX_FMTS 1
> +
> +/* sensor_mode_data read_mode adaptation */
> +#define OV5648_READ_MODE_BINNING_ON 0x0400
> +#define OV5648_READ_MODE_BINNING_OFF 0x00
> +#define OV5648_INTEGRATION_TIME_MARGIN 8
> +
> +#define OV5648_MAX_EXPOSURE_VALUE 0xFFF1
> +#define OV5648_MAX_GAIN_VALUE 0xFF
> +
> +/*
> + * Focal length bits definition:
> + * bits 31-16: numerator, bits 15-0: denominator
> + */
> +#define OV5648_FOCAL_LENGTH_DEFAULT 0x1B70064
> +
> +/*
> + * Current f-number bits definition:
> + * bits 31-16: numerator, bits 15-0: denominator
> + */
> +#define OV5648_F_NUMBER_DEFAULT 0x18000a
> +
> +/*
> + * f-number range bits definition:
> + * bits 31-24: max f-number numerator
> + * bits 23-16: max f-number denominator
> + * bits 15-8: min f-number numerator
> + * bits 7-0: min f-number denominator
> + */
> +#define OV5648_F_NUMBER_RANGE 0x180a180a
> +#define OV5648_ID 0x5648
> +
> +#define OV5648_FINE_INTG_TIME_MIN 0
> +#define OV5648_FINE_INTG_TIME_MAX_MARGIN 0
> +#define OV5648_COARSE_INTG_TIME_MIN 1
> +#define OV5648_COARSE_INTG_TIME_MAX_MARGIN 6
> +
> +#define OV5648_BIN_FACTOR_MAX 4
> +
> +/*
> + * OV5648 System control registers
> + */
> +#define OV5648_SW_SLEEP 0x0100
> +#define OV5648_SW_RESET 0x0103
> +#define OV5648_SW_STREAM 0x0100
> +
> +#define OV5648_SC_CMMN_CHIP_ID_H 0x300A
> +#define OV5648_SC_CMMN_CHIP_ID_L 0x300B
> +#define OV5648_SC_CMMN_SCCB_ID 0x300C
> +#define OV5648_SC_CMMN_SUB_ID 0x302A /*
> process, version */
> +
> +#define OV5648_GROUP_ACCESS 0x3208 /*
> + * Bit[7:4] Group control,
> + * Bit[3:0] Group ID
> + */
> +
> +#define OV5648_EXPOSURE_H 0x3500 /*
> + * Bit[3:0] Bit[19:16] of
> exposure,
> + * remaining 16 bits lies in
> + * Reg0x3501&Reg0x3502
> + */
> +#define OV5648_EXPOSURE_M 0x3501 /* Bit[15:8] of
> exposure*/
> +#define OV5648_EXPOSURE_L 0x3502 /* Bit[7:0] of
> exposure*/
> +#define OV5648_AGC_H 0x350A /* Bit[1:0] means
> Bit[9:8] of gain */
> +#define OV5648_AGC_L 0x350B /* Bit[7:0] of gain
> */
> +
> +#define OV5648_HORIZONTAL_START_H 0x3800 /* Bit[11:8]
> */
> +#define OV5648_HORIZONTAL_START_L 0x3801 /* Bit[7:0] */
> +#define OV5648_VERTICAL_START_H 0x3802 /*
> Bit[11:8] */
> +#define OV5648_VERTICAL_START_L 0x3803 /*
> Bit[7:0] */
> +#define OV5648_HORIZONTAL_END_H 0x3804 /*
> Bit[11:8] */
> +#define OV5648_HORIZONTAL_END_L 0x3805 /*
> Bit[7:0] */
> +#define OV5648_VERTICAL_END_H 0x3806 /*
> Bit[11:8] */
> +#define OV5648_VERTICAL_END_L 0x3807 /*
> Bit[7:0] */
> +#define OV5648_HORIZONTAL_OUTPUT_SIZE_H 0x3808 /*
> Bit[3:0] */
> +#define OV5648_HORIZONTAL_OUTPUT_SIZE_L 0x3809 /*
> Bit[7:0] */
> +#define OV5648_VERTICAL_OUTPUT_SIZE_H 0x380a /*
> Bit[3:0] */
> +#define OV5648_VERTICAL_OUTPUT_SIZE_L 0x380b /*
> Bit[7:0] */
> +#define OV5648_TIMING_HTS_H 0x380C /* HTS High
> 8-bit */
> +#define OV5648_TIMING_HTS_L 0x380D /* HTS Low
> 8-bit */
> +#define OV5648_TIMING_VTS_H 0x380e /* VTS High
> 8-bit */
> +#define OV5648_TIMING_VTS_L 0x380f /* VTS Low
> 8-bit */
> +
> +#define OV5648_VFLIP_REG 0x3820
> +#define OV5648_HFLIP_REG 0x3821
> +#define OV5648_VFLIP_VALUE 0x06
> +#define OV5648_HFLIP_VALUE 0x06
> +
> +#define OV5648_MWB_RED_GAIN_H 0x5186
> +#define OV5648_MWB_GREEN_GAIN_H 0x5188
> +#define OV5648_MWB_BLUE_GAIN_H 0x518A
> +#define OV5648_MWB_GAIN_MAX 0x0fff
> +
> +#define OV5648_START_STREAMING 0x01
> +#define OV5648_STOP_STREAMING 0x00
> +
> +// Add OTP operation
> +#define BG_RADIO_TYPICAL 0x16E
> +#define RG_RADIO_TYPICAL 0x189
> +
> +struct otp_struct {
> + u16 otp_en;
> + u16 module_integrator_id;
> + u16 lens_id;
> + u16 rg_ratio;
> + u16 bg_ratio;
> + u16 user_data[2];
> + u16 light_rg;
> + u16 light_bg;
> + int R_gain;
> + int G_gain;
> + int B_gain;
> +};
> +
> +struct regval_list {
> + u16 reg_num;
> + u8 value;
> +};
> +
> +struct ov5648_resolution {
> + u8 *desc;
> + const struct ov5648_reg *regs;
> + int res;
> + int width;
> + int height;
> + int fps;
> + int pix_clk_freq;
> + u32 skip_frames;
> + u16 pixels_per_line;
> + u16 lines_per_frame;
> + u8 bin_factor_x;
> + u8 bin_factor_y;
> + u8 bin_mode;
> + bool used;
> +};
> +
> +struct ov5648_format {
> + u8 *desc;
> + u32 pixelformat;
> + struct ov5648_reg *regs;
> +};
> +
> +/*
> + * ov5648 device structure
> + */
> +struct ov5648_device {
> + struct v4l2_subdev sd;
> + struct media_pad pad;
> + struct v4l2_mbus_framefmt format;
> + struct mutex input_lock; /* mutex lock */
> + struct v4l2_ctrl_handler ctrl_handler;
> +
> + struct camera_sensor_platform_data *platform_data;
> + int vt_pix_clk_freq_mhz;
> + int fmt_idx;
> + int run_mode;
> + u8 res;
> + u8 type;
> +
> + char *camera_module;
> + struct camera_vcm_control *vcm_driver;
> + struct otp_struct current_otp;
> + int pre_digitgain;
> +};
> +
> +enum ov5648_tok_type {
> + OV5648_8BIT = 0x0001,
> + OV5648_16BIT = 0x0002,
> + OV5648_32BIT = 0x0004,
> + OV5648_TOK_TERM = 0xf000, /* Terminating token for reg list
> */
> + OV5648_TOK_DELAY = 0xfe00, /* Delay token for reg list */
> + OV5648_TOK_MASK = 0xfff0
> +};
> +
> +/*
> + * struct ov5648_reg - MI sensor register format
> + * @type: type of the register
> + * @reg: 16-bit offset to register
> + * @val: 8/16/32-bit register value
> + *
> + * Define a structure for sensor register initialization values
> + */
> +struct ov5648_reg {
> + enum ov5648_tok_type type;
> + u16 reg;
> + u32 val; /* @set value for read/mod/write, @mask */
> +};
> +
> +#define to_ov5648_sensor(x) container_of(x, struct ov5648_device, sd)
> +
> +#define OV5648_MAX_WRITE_BUF_SIZE 30
> +
> +struct ov5648_write_buffer {
> + u16 addr;
> + u8 data[OV5648_MAX_WRITE_BUF_SIZE];
> +};
> +
> +struct ov5648_write_ctrl {
> + int index;
> + struct ov5648_write_buffer buffer;
> +};
> +
> +static const struct ov5648_reg ov5648_global_settings[] = {
> + {OV5648_8BIT, 0x0103, 0x01},
> + {OV5648_8BIT, 0x3001, 0x00},
> + {OV5648_8BIT, 0x3002, 0x00},
> + {OV5648_8BIT, 0x3011, 0x02},
> + {OV5648_8BIT, 0x3017, 0x05},
> + {OV5648_8BIT, 0x3018, 0x4c},
> + {OV5648_8BIT, 0x301c, 0xd2},
> + {OV5648_8BIT, 0x3022, 0x00},
> + {OV5648_8BIT, 0x3034, 0x1a},
> + {OV5648_8BIT, 0x3035, 0x21},
> + {OV5648_8BIT, 0x3036, 0x69},
> + {OV5648_8BIT, 0x3037, 0x03},
> + {OV5648_8BIT, 0x3038, 0x00},
> + {OV5648_8BIT, 0x3039, 0x00},
> + {OV5648_8BIT, 0x303a, 0x00},
> + {OV5648_8BIT, 0x303b, 0x19},
> + {OV5648_8BIT, 0x303c, 0x11},
> + {OV5648_8BIT, 0x303d, 0x30},
> + {OV5648_8BIT, 0x3105, 0x11},
> + {OV5648_8BIT, 0x3106, 0x05},
> + {OV5648_8BIT, 0x3304, 0x28},
> + {OV5648_8BIT, 0x3305, 0x41},
> + {OV5648_8BIT, 0x3306, 0x30},
> + {OV5648_8BIT, 0x3308, 0x00},
> + {OV5648_8BIT, 0x3309, 0xc8},
> + {OV5648_8BIT, 0x330a, 0x01},
> + {OV5648_8BIT, 0x330b, 0x90},
> + {OV5648_8BIT, 0x330c, 0x02},
> + {OV5648_8BIT, 0x330d, 0x58},
> + {OV5648_8BIT, 0x330e, 0x03},
> + {OV5648_8BIT, 0x330f, 0x20},
> + {OV5648_8BIT, 0x3300, 0x00},
> + {OV5648_8BIT, 0x3500, 0x00},
> + {OV5648_8BIT, 0x3501, 0x7b},
> + {OV5648_8BIT, 0x3502, 0x00},
> + {OV5648_8BIT, 0x3503, 0x07},
> + {OV5648_8BIT, 0x350a, 0x00},
> + {OV5648_8BIT, 0x350b, 0x40},
> + {OV5648_8BIT, 0x3601, 0x33},
> + {OV5648_8BIT, 0x3602, 0x00},
> + {OV5648_8BIT, 0x3611, 0x0e},
> + {OV5648_8BIT, 0x3612, 0x2b},
> + {OV5648_8BIT, 0x3614, 0x50},
> + {OV5648_8BIT, 0x3620, 0x33},
> + {OV5648_8BIT, 0x3622, 0x00},
> + {OV5648_8BIT, 0x3630, 0xad},
> + {OV5648_8BIT, 0x3631, 0x00},
> + {OV5648_8BIT, 0x3632, 0x94},
> + {OV5648_8BIT, 0x3633, 0x17},
> + {OV5648_8BIT, 0x3634, 0x14},
> + {OV5648_8BIT, 0x3704, 0xc0},
> + {OV5648_8BIT, 0x3705, 0x2a},
> + {OV5648_8BIT, 0x3708, 0x63},
> + {OV5648_8BIT, 0x3709, 0x12},
> + {OV5648_8BIT, 0x370b, 0x23},
> + {OV5648_8BIT, 0x370c, 0xc0},
> + {OV5648_8BIT, 0x370d, 0x00},
> + {OV5648_8BIT, 0x370e, 0x00},
> + {OV5648_8BIT, 0x371c, 0x07},
> + {OV5648_8BIT, 0x3739, 0xd2},
> + {OV5648_8BIT, 0x373c, 0x00},
> + {OV5648_8BIT, 0x3800, 0x00},
> + {OV5648_8BIT, 0x3801, 0x00},
> + {OV5648_8BIT, 0x3802, 0x00},
> + {OV5648_8BIT, 0x3803, 0x00},
> + {OV5648_8BIT, 0x3804, 0x0a},
> + {OV5648_8BIT, 0x3805, 0x3f},
> + {OV5648_8BIT, 0x3806, 0x07},
> + {OV5648_8BIT, 0x3807, 0xa3},
> + {OV5648_8BIT, 0x3808, 0x0a},
> + {OV5648_8BIT, 0x3809, 0x20},
> + {OV5648_8BIT, 0x380a, 0x07},
> + {OV5648_8BIT, 0x380b, 0x98},
> + {OV5648_8BIT, 0x380c, 0x0b},
> + {OV5648_8BIT, 0x380d, 0x00},
> + {OV5648_8BIT, 0x380e, 0x07},
> + {OV5648_8BIT, 0x380f, 0xc0},
> + {OV5648_8BIT, 0x3810, 0x00},
> + {OV5648_8BIT, 0x3811, 0x10},
> + {OV5648_8BIT, 0x3812, 0x00},
> + {OV5648_8BIT, 0x3813, 0x06},
> + {OV5648_8BIT, 0x3814, 0x11},
> + {OV5648_8BIT, 0x3815, 0x11},
> + {OV5648_8BIT, 0x3817, 0x00},
> + {OV5648_8BIT, 0x3820, 0x40},
> + {OV5648_8BIT, 0x3821, 0x06},
> + {OV5648_8BIT, 0x3826, 0x03},
> + {OV5648_8BIT, 0x3829, 0x00},
> + {OV5648_8BIT, 0x382b, 0x0b},
> + {OV5648_8BIT, 0x3830, 0x00},
> + {OV5648_8BIT, 0x3836, 0x00},
> + {OV5648_8BIT, 0x3837, 0x00},
> + {OV5648_8BIT, 0x3838, 0x00},
> + {OV5648_8BIT, 0x3839, 0x04},
> + {OV5648_8BIT, 0x383a, 0x00},
> + {OV5648_8BIT, 0x383b, 0x01},
> + {OV5648_8BIT, 0x3b00, 0x00},
> + {OV5648_8BIT, 0x3b02, 0x08},
> + {OV5648_8BIT, 0x3b03, 0x00},
> + {OV5648_8BIT, 0x3b04, 0x04},
> + {OV5648_8BIT, 0x3b05, 0x00},
> + {OV5648_8BIT, 0x3b06, 0x04},
> + {OV5648_8BIT, 0x3b07, 0x08},
> + {OV5648_8BIT, 0x3b08, 0x00},
> + {OV5648_8BIT, 0x3b09, 0x02},
> + {OV5648_8BIT, 0x3b0a, 0x04},
> + {OV5648_8BIT, 0x3b0b, 0x00},
> + {OV5648_8BIT, 0x3b0c, 0x3d},
> + {OV5648_8BIT, 0x3f01, 0x0d},
> + {OV5648_8BIT, 0x3f0f, 0xf5},
> + {OV5648_8BIT, 0x4000, 0x89},
> + {OV5648_8BIT, 0x4001, 0x02},
> + {OV5648_8BIT, 0x4002, 0x45},
> + {OV5648_8BIT, 0x4004, 0x04},
> + {OV5648_8BIT, 0x4005, 0x18},
> + {OV5648_8BIT, 0x4006, 0x08},
> + {OV5648_8BIT, 0x4007, 0x10},
> + {OV5648_8BIT, 0x4008, 0x00},
> + {OV5648_8BIT, 0x4050, 0x6e},
> + {OV5648_8BIT, 0x4051, 0x8f},
> + {OV5648_8BIT, 0x4300, 0xf8},
> + {OV5648_8BIT, 0x4303, 0xff},
> + {OV5648_8BIT, 0x4304, 0x00},
> + {OV5648_8BIT, 0x4307, 0xff},
> + {OV5648_8BIT, 0x4520, 0x00},
> + {OV5648_8BIT, 0x4521, 0x00},
> + {OV5648_8BIT, 0x4511, 0x22},
> + {OV5648_8BIT, 0x4801, 0x0f},
> + {OV5648_8BIT, 0x4814, 0x2a},
> + {OV5648_8BIT, 0x481f, 0x3c},
> + {OV5648_8BIT, 0x4823, 0x3c},
> + {OV5648_8BIT, 0x4826, 0x00},
> + {OV5648_8BIT, 0x481b, 0x3c},
> + {OV5648_8BIT, 0x4827, 0x32},
> + {OV5648_8BIT, 0x4837, 0x17},
> + {OV5648_8BIT, 0x4b00, 0x06},
> + {OV5648_8BIT, 0x4b01, 0x0a},
> + {OV5648_8BIT, 0x4b04, 0x10},
> + {OV5648_8BIT, 0x5000, 0xff},
> + {OV5648_8BIT, 0x5001, 0x00},
> + {OV5648_8BIT, 0x5002, 0x41},
> + {OV5648_8BIT, 0x5003, 0x0a},
> + {OV5648_8BIT, 0x5004, 0x00},
> + {OV5648_8BIT, 0x5043, 0x00},
> + {OV5648_8BIT, 0x5013, 0x00},
> + {OV5648_8BIT, 0x501f, 0x03},
> + {OV5648_8BIT, 0x503d, 0x00},
> + {OV5648_8BIT, 0x5a00, 0x08},
> + {OV5648_8BIT, 0x5b00, 0x01},
> + {OV5648_8BIT, 0x5b01, 0x40},
> + {OV5648_8BIT, 0x5b02, 0x00},
> + {OV5648_8BIT, 0x5b03, 0xf0},
> + {OV5648_TOK_TERM, 0, 0}
> +};
> +
> +/*
> + * Register settings for various resolution
> + */
> +/* B720P(1296X736) 30fps 2lane 10Bit (Binning) */
> +static struct ov5648_reg const ov5648_720p_30fps_2lanes[] = {
> + {OV5648_8BIT, 0x3708, 0x66},
> + {OV5648_8BIT, 0x3709, 0x52},
> + {OV5648_8BIT, 0x370c, 0xcf},
> + {OV5648_8BIT, 0x3800, 0x00},/* xstart = 0 */
> + {OV5648_8BIT, 0x3801, 0x00},/* xstart10 */
> + {OV5648_8BIT, 0x3802, 0x00},/* ystart = 226 */
> + {OV5648_8BIT, 0x3803, 0xe2},/* ystart ;fe */
> + {OV5648_8BIT, 0x3804, 0x0a},/* xend = 2607 */
> + {OV5648_8BIT, 0x3805, 0x2f},/* xend */
> + {OV5648_8BIT, 0x3806, 0x06},/* yend = 1701 */
> + {OV5648_8BIT, 0x3807, 0xa5},/* yend */
> + {OV5648_8BIT, 0x3808, 0x05},/* x output size = 1296 */
> + {OV5648_8BIT, 0x3809, 0x10},/* x output size 00 */
> + {OV5648_8BIT, 0x380a, 0x02},/* y output size = 736 */
> + {OV5648_8BIT, 0x380b, 0xe0},/* y output size d0 */
> + {OV5648_8BIT, 0x380c, 0x09},/* hts = 1864 2400 */
> + {OV5648_8BIT, 0x380d, 0x60},/* hts 48 */
> + {OV5648_8BIT, 0x380e, 0x04},/* vts = 754; 1120 */
> + {OV5648_8BIT, 0x380f, 0x60},/* vts f2 */
> + {OV5648_8BIT, 0x3810, 0x00},/* isp x win (offset)= 0 */
> + {OV5648_8BIT, 0x3811, 0x00},/* isp x win;08 */
> + {OV5648_8BIT, 0x3812, 0x00},/* isp y win (offset)= 0 */
> + {OV5648_8BIT, 0x3813, 0x00},/* isp y win;02 */
> + {OV5648_8BIT, 0x3814, 0x31},/* x inc */
> + {OV5648_8BIT, 0x3815, 0x31},/* y inc */
> + {OV5648_8BIT, 0x3817, 0x00},/* hsync start */
> + {OV5648_8BIT, 0x3820, 0x08},/* flip off; v bin off */
> + {OV5648_8BIT, 0x3821, 0x01},/* mirror off; h bin on */
> + {OV5648_8BIT, 0x4004, 0x02},/* black line number */
> + {OV5648_8BIT, 0x4005, 0x18},/* blc level trigger */
> + {OV5648_8BIT, 0x4837, 0x17},/* MIPI global timing ;2f;18 */
> +
> + {OV5648_8BIT, 0x350b, 0x80},/* gain 8x */
> + {OV5648_8BIT, 0x3501, 0x2d},/* exposure */
> + {OV5648_8BIT, 0x3502, 0xc0},/* exposure */
> + /* add 19.2MHz 30fps */
> +
> + {OV5648_8BIT, 0x380e, 0x02},
> + {OV5648_8BIT, 0x380f, 0xf2},
> + {OV5648_8BIT, 0x3034, 0x1a},/* MIPI 10bit mode */
> + {OV5648_8BIT, 0x3035, 0x21},
> + {OV5648_8BIT, 0x3036, 0x58},
> + {OV5648_8BIT, 0x3037, 0x02},
> + {OV5648_8BIT, 0x3038, 0x00},
> + {OV5648_8BIT, 0x3039, 0x00},
> + {OV5648_8BIT, 0x3106, 0x05},
> + {OV5648_8BIT, 0x3105, 0x11},
> + {OV5648_8BIT, 0x303a, 0x00},
> + {OV5648_8BIT, 0x303b, 0x16},
> + {OV5648_8BIT, 0x303c, 0x11},
> + {OV5648_8BIT, 0x303d, 0x20},
> +
> + {OV5648_TOK_TERM, 0, 0}
> +};
> +
> +/* B720P(1296X864) 30fps 2lane 10Bit (Binning) */
> +static struct ov5648_reg const ov5648_1296x864_30fps_2lanes[] = {
> + {OV5648_8BIT, 0x3708, 0x66},
> + {OV5648_8BIT, 0x3709, 0x52},
> + {OV5648_8BIT, 0x370c, 0xcf},
> + {OV5648_8BIT, 0x3800, 0x00},/* xstart = 0 */
> + {OV5648_8BIT, 0x3801, 0x00},/* xstart ;10 */
> + {OV5648_8BIT, 0x3802, 0x00},/* ystart = 98 */
> + {OV5648_8BIT, 0x3803, 0x62},/* ystart */
> + {OV5648_8BIT, 0x3804, 0x0a},/* xend = 2607 */
> + {OV5648_8BIT, 0x3805, 0x2f},/* xend */
> + {OV5648_8BIT, 0x3806, 0x07},/* yend = 1845 */
> + {OV5648_8BIT, 0x3807, 0x35},/* yend */
> + {OV5648_8BIT, 0x3808, 0x05},/* x output size = 1296 */
> + {OV5648_8BIT, 0x3809, 0x10},/* x output size */
> + {OV5648_8BIT, 0x380a, 0x03},/* y output size = 864 */
> + {OV5648_8BIT, 0x380b, 0x60},/* y output size */
> + {OV5648_8BIT, 0x380c, 0x09},/* hts = 1864 ;2400 */
> + {OV5648_8BIT, 0x380d, 0x60},/* hts48 */
> + {OV5648_8BIT, 0x380e, 0x04},/* vts = 754; 1120 */
> + {OV5648_8BIT, 0x380f, 0x60},/* vts f2 */
> + {OV5648_8BIT, 0x3810, 0x00},/* isp x win (offset)= 0 */
> + {OV5648_8BIT, 0x3811, 0x00},/* isp x win;08 */
> + {OV5648_8BIT, 0x3812, 0x00},/* isp y win (offset)= 0 */
> + {OV5648_8BIT, 0x3813, 0x00},/* isp y win;02 */
> + {OV5648_8BIT, 0x3814, 0x31},/* x inc */
> + {OV5648_8BIT, 0x3815, 0x31},/* y inc */
> + {OV5648_8BIT, 0x3817, 0x00},/* hsync start */
> + {OV5648_8BIT, 0x3820, 0x08},/* flip off; v bin off */
> + {OV5648_8BIT, 0x3821, 0x01},/* mirror off; h bin on */
> + {OV5648_8BIT, 0x4004, 0x02},/* black line number */
> + {OV5648_8BIT, 0x4005, 0x18},/* blc level trigger */
> + {OV5648_8BIT, 0x4837, 0x17},/* MIPI global timing ;2f;18 */
> +
> + {OV5648_8BIT, 0x350b, 0x80},/* gain 8x */
> + {OV5648_8BIT, 0x3501, 0x35},/* exposure */
> + {OV5648_8BIT, 0x3502, 0xc0},/* exposure */
> + /* add 19.2MHz 30fps */
> +
> + {OV5648_8BIT, 0x380e, 0x02},
> + {OV5648_8BIT, 0x380f, 0xf2},
> + {OV5648_8BIT, 0x3034, 0x1a},/* MIPI 10bit mode */
> + {OV5648_8BIT, 0x3035, 0x21},
> + {OV5648_8BIT, 0x3036, 0x58},
> + {OV5648_8BIT, 0x3037, 0x02},
> + {OV5648_8BIT, 0x3038, 0x00},
> + {OV5648_8BIT, 0x3039, 0x00},
> + {OV5648_8BIT, 0x3106, 0x05},
> + {OV5648_8BIT, 0x3105, 0x11},
> + {OV5648_8BIT, 0x303a, 0x00},
> + {OV5648_8BIT, 0x303b, 0x16},
> + {OV5648_8BIT, 0x303c, 0x11},
> + {OV5648_8BIT, 0x303d, 0x20},
> +
> + {OV5648_TOK_TERM, 0, 0}
> +};
> +
> +static struct ov5648_reg const ov5648_1080p_30fps_2lanes[] = {
> + {OV5648_8BIT, 0x3708, 0x63},
> + {OV5648_8BIT, 0x3709, 0x12},
> + {OV5648_8BIT, 0x370c, 0xc0},
> + {OV5648_8BIT, 0x3800, 0x01},/* xstart = 320 */
> + {OV5648_8BIT, 0x3801, 0x40},/* xstart */
> + {OV5648_8BIT, 0x3802, 0x01},/* ystart = 418 */
> + {OV5648_8BIT, 0x3803, 0xa2},/* ystart */
> + {OV5648_8BIT, 0x3804, 0x08},/* xend = 2287 */
> + {OV5648_8BIT, 0x3805, 0xef},/* xend */
> + {OV5648_8BIT, 0x3806, 0x05},/* yend = 1521 */
> + {OV5648_8BIT, 0x3807, 0xf1},/* yend */
> + {OV5648_8BIT, 0x3808, 0x07},/* x output size = 1940 */
> + {OV5648_8BIT, 0x3809, 0x94},/* x output size */
> + {OV5648_8BIT, 0x380a, 0x04},/* y output size = 1096 */
> + {OV5648_8BIT, 0x380b, 0x48},/* y output size */
> + {OV5648_8BIT, 0x380c, 0x09},/* hts = 2500 */
> + {OV5648_8BIT, 0x380d, 0xc4},/* hts */
> + {OV5648_8BIT, 0x380e, 0x04},/* vts = 1120 */
> + {OV5648_8BIT, 0x380f, 0x60},/* vts */
> + {OV5648_8BIT, 0x3810, 0x00},/* isp x win = 16 */
> + {OV5648_8BIT, 0x3811, 0x10},/* isp x win */
> + {OV5648_8BIT, 0x3812, 0x00},/* isp y win = 4 */
> + {OV5648_8BIT, 0x3813, 0x04},/* isp y win */
> + {OV5648_8BIT, 0x3814, 0x11},/* x inc */
> + {OV5648_8BIT, 0x3815, 0x11},/* y inc */
> + {OV5648_8BIT, 0x3817, 0x00},/* hsync start */
> + {OV5648_8BIT, 0x3820, 0x40},/* flip off; v bin off */
> + {OV5648_8BIT, 0x3821, 0x06},/* mirror off; v bin off */
> + {OV5648_8BIT, 0x4004, 0x04},/* black line number */
> + {OV5648_8BIT, 0x4005, 0x18},/* blc always update */
> + {OV5648_8BIT, 0x4837, 0x18},/* MIPI global timing */
> +
> + {OV5648_8BIT, 0x350b, 0x40},/* gain 4x */
> + {OV5648_8BIT, 0x3501, 0x45},/* exposure */
> + {OV5648_8BIT, 0x3502, 0x80},/* exposure */
> + /* add 19.2MHz 30fps */
> +
> + {OV5648_8BIT, 0x3034, 0x1a},/* MIPI 10bit mode */
> + {OV5648_8BIT, 0x3035, 0x21},
> + {OV5648_8BIT, 0x3036, 0x58},
> + {OV5648_8BIT, 0x3037, 0x02},
> + {OV5648_8BIT, 0x3038, 0x00},
> + {OV5648_8BIT, 0x3039, 0x00},
> + {OV5648_8BIT, 0x3106, 0x05},
> + {OV5648_8BIT, 0x3105, 0x11},
> + {OV5648_8BIT, 0x303a, 0x00},
> + {OV5648_8BIT, 0x303b, 0x16},
> + {OV5648_8BIT, 0x303c, 0x11},
> + {OV5648_8BIT, 0x303d, 0x20},
> +
> + {OV5648_TOK_TERM, 0, 0}
> +};
> +
> +/*
> + * 2x2 subsampled 4:3 mode giving 1280x960.
> + * 84.48Mhz / (HTS*VTS) == 84.48e6/(2500*1126) == 30.01 fps
> + */
> +static struct ov5648_reg const ov5648_1280x960_30fps_2lanes[] = {
> + {OV5648_8BIT, 0x3034, 0x1a},
> + {OV5648_8BIT, 0x3035, 0x21},
> + {OV5648_8BIT, 0x3036, 0x58},
> + {OV5648_8BIT, 0x3037, 0x02},
> + {OV5648_8BIT, 0x3038, 0x00},
> + {OV5648_8BIT, 0x3039, 0x00},
> + {OV5648_8BIT, 0x3106, 0x05},
> + {OV5648_8BIT, 0x3105, 0x11},
> + {OV5648_8BIT, 0x303a, 0x00},
> + {OV5648_8BIT, 0x303b, 0x15},
> + {OV5648_8BIT, 0x303c, 0x11},
> + {OV5648_8BIT, 0x303d, 0x20},
> +
> + {OV5648_8BIT, 0x350a, 0x00}, /* Def. analog gain = 0x040/16.0
> = 4x */
> + {OV5648_8BIT, 0x350b, 0x40},
> + {OV5648_8BIT, 0x3501, 0x45},/* Def. exposure = 0x45e0 (1118
> lines) */
> + {OV5648_8BIT, 0x3502, 0xe0},
> +
> + {OV5648_8BIT, 0x3708, 0x66},
> + {OV5648_8BIT, 0x3709, 0x52},
> + {OV5648_8BIT, 0x370c, 0xcf},
> +
> + {OV5648_8BIT, 0x3800, 0x00},/* xstart = 0x0000 */
> + {OV5648_8BIT, 0x3801, 0x00},/* xstart */
> + {OV5648_8BIT, 0x3802, 0x00},/* ystart = 0x0000 */
> + {OV5648_8BIT, 0x3803, 0x00},/* ystart */
> + {OV5648_8BIT, 0x3804, 0x0a},/* xend = 0x0a3f = 2623 */
> + {OV5648_8BIT, 0x3805, 0x3f},/* xend */
> + {OV5648_8BIT, 0x3806, 0x07},/* yend = 0x07a3 = 1955 */
> + {OV5648_8BIT, 0x3807, 0xa3},/* yend */
> + {OV5648_8BIT, 0x3808, 0x05},/* x output size = 0x0510 = 1280
> */
> + {OV5648_8BIT, 0x3809, 0x00},/* x output size */
> + {OV5648_8BIT, 0x380a, 0x03},/* v output size = 0x03cc = 960
> */
> + {OV5648_8BIT, 0x380b, 0xc0},/* v output size */
> + {OV5648_8BIT, 0x380c, 0x09},/* hts = 0x09c4 = 2500 */
> + {OV5648_8BIT, 0x380d, 0xc4},/* hts */
> + {OV5648_8BIT, 0x380e, 0x04},/* vts = 0x0466 = 1126 */
> + {OV5648_8BIT, 0x380f, 0x66},/* vts */
> + {OV5648_8BIT, 0x3810, 0x00},/* isp x win = 16 */
> + {OV5648_8BIT, 0x3811, 0x10},/* isp x win */
> + {OV5648_8BIT, 0x3812, 0x00},/* isp y win = 10 */
> + {OV5648_8BIT, 0x3813, 0x0a},/* isp y win */
> + {OV5648_8BIT, 0x3814, 0x31},/* X subsample step: odd = 3,
> even = 1 */
> + {OV5648_8BIT, 0x3815, 0x31},/* Y subsample step: odd = 3,
> even = 1 */
> + {OV5648_8BIT, 0x3817, 0x00},/* hsync start = 0 */
> + {OV5648_8BIT, 0x3820, 0x08},/* flip off; v bin off */
> + {OV5648_8BIT, 0x3821, 0x07},/* mirror off; v bin off */
> +
> + {OV5648_8BIT, 0x4004, 0x02},
> + {OV5648_8BIT, 0x4005, 0x18},
> + {OV5648_8BIT, 0x4837, 0x18},
> + {OV5648_TOK_TERM, 0, 0}
> +};
> +
> +static struct ov5648_reg const ov5648_5M_15fps_2lanes[] = {
> + /* add 19.2MHz */
> + {OV5648_8BIT, 0x3034, 0x1a},
> + {OV5648_8BIT, 0x3035, 0x21},
> + {OV5648_8BIT, 0x3036, 0x58},
> + {OV5648_8BIT, 0x3037, 0x02},
> + {OV5648_8BIT, 0x3038, 0x00},
> + {OV5648_8BIT, 0x3039, 0x00},
> + {OV5648_8BIT, 0x3106, 0x05},
> + {OV5648_8BIT, 0x3105, 0x11},
> + {OV5648_8BIT, 0x303a, 0x00},
> + {OV5648_8BIT, 0x303b, 0x16},
> + {OV5648_8BIT, 0x303c, 0x11},
> + {OV5648_8BIT, 0x303d, 0x20},
> +
> + {OV5648_8BIT, 0x3708, 0x63},
> + {OV5648_8BIT, 0x3709, 0x12},
> + {OV5648_8BIT, 0x370c, 0xc0},
> + {OV5648_8BIT, 0x3800, 0x00},/* xstart = 0 */
> + {OV5648_8BIT, 0x3801, 0x00},/* xstart */
> + {OV5648_8BIT, 0x3802, 0x00},/* ystart = 0 */
> + {OV5648_8BIT, 0x3803, 0x00},/* ystart */
> + {OV5648_8BIT, 0x3804, 0x0a},/* xend = 2623 */
> + {OV5648_8BIT, 0x3805, 0x3f},/* xend */
> + {OV5648_8BIT, 0x3806, 0x07},/* yend = 1955 */
> + {OV5648_8BIT, 0x3807, 0xa3},/* yend */
> + {OV5648_8BIT, 0x3808, 0x0a},/* x output size = 2592 */
> + {OV5648_8BIT, 0x3809, 0x20},/* x output size */
> + {OV5648_8BIT, 0x380a, 0x07},/* y output size = 1944 */
> + {OV5648_8BIT, 0x380b, 0x98},/* y output size */
> + {OV5648_8BIT, 0x380c, 0x0b},/* hts = 2838 */
> + {OV5648_8BIT, 0x380d, 0x16},/* hts */
> + {OV5648_8BIT, 0x380e, 0x07},/* vts = 1984 */
> + {OV5648_8BIT, 0x380f, 0xc0},/* vts */
> + {OV5648_8BIT, 0x3810, 0x00},/* isp x win = 16 */
> + {OV5648_8BIT, 0x3811, 0x10},/* isp x win */
> + {OV5648_8BIT, 0x3812, 0x00},/* isp y win = 6 */
> + {OV5648_8BIT, 0x3813, 0x06},/* isp y win */
> + {OV5648_8BIT, 0x3814, 0x11},/* x inc */
> + {OV5648_8BIT, 0x3815, 0x11},/* y inc */
> + {OV5648_8BIT, 0x3817, 0x00},/* hsync start */
> + {OV5648_8BIT, 0x3820, 0x40},/* flip off; v bin off */
> + {OV5648_8BIT, 0x3821, 0x06},/* mirror off; v bin off */
> + {OV5648_8BIT, 0x4004, 0x04},/* black line number */
> + {OV5648_8BIT, 0x4005, 0x18},/* blc always update */
> + {OV5648_8BIT, 0x4837, 0x18},/* MIPI global timing */
> +
> + {OV5648_8BIT, 0x350b, 0x40},
> + {OV5648_8BIT, 0x3501, 0x7b},
> + {OV5648_8BIT, 0x3502, 0x00},
> +
> + {OV5648_TOK_TERM, 0, 0}
> +};
> +
> +struct ov5648_resolution ov5648_res_preview[] = {
> + {
> + .desc = "ov5648_5M_15fps",
> + .width = 2592,
> + .height = 1944,
> + .pix_clk_freq = 84,
> + .fps = 15,
> + .used = 0,
> + .pixels_per_line = 2838,
> + .lines_per_frame = 1984,
> + .bin_factor_x = 1,
> + .bin_factor_y = 1,
> + .bin_mode = 0,
> + .skip_frames = 3,
> + .regs = ov5648_5M_15fps_2lanes,
> + },
> + {
> + .desc = "ov5648_1280x960_30fps",
> + .width = 1280,
> + .height = 960,
> + .pix_clk_freq = 84,
> + .fps = 30,
> + .used = 0,
> + .pixels_per_line = 2500,
> + .lines_per_frame = 1126,
> + .bin_factor_x = 2,
> + .bin_factor_y = 2,
> + .bin_mode = 1,
> + .skip_frames = 3,
> + .regs = ov5648_1280x960_30fps_2lanes,
> + },
> + {
> + .desc = "ov5648_720P_30fps",
> + .width = 1296,
> + .height = 736,
> + .fps = 30,
> + .pix_clk_freq = 84,
> + .used = 0,
> + .pixels_per_line = 2397,
> + .lines_per_frame = 1186,
> + .bin_factor_x = 2,
> + .bin_factor_y = 2,
> + .bin_mode = 1,
> + .skip_frames = 3,
> + .regs = ov5648_720p_30fps_2lanes,
> + },
> +};
> +
> +#define N_RES_PREVIEW (ARRAY_SIZE(ov5648_res_preview))
> +
> +struct ov5648_resolution ov5648_res_still[] = {
> + {
> + .desc = "ov5648_5M_15fps",
> + .width = 2592,
> + .height = 1944,
> + .pix_clk_freq = 84,
> + .fps = 15,
> + .used = 0,
> + .pixels_per_line = 2838,
> + .lines_per_frame = 1984,
> + .bin_factor_x = 1,
> + .bin_factor_y = 1,
> + .bin_mode = 0,
> + .skip_frames = 3,
> + .regs = ov5648_5M_15fps_2lanes,
> + },
> + {
> + .desc = "ov5648_1280x960_30fps",
> + .width = 1280,
> + .height = 960,
> + .pix_clk_freq = 84,
> + .fps = 30,
> + .used = 0,
> + .pixels_per_line = 2500,
> + .lines_per_frame = 1126,
> + .bin_factor_x = 2,
> + .bin_factor_y = 2,
> + .bin_mode = 1,
> + .skip_frames = 3,
> + .regs = ov5648_1280x960_30fps_2lanes,
> + },
> + {
> + .desc = "ov5648_720P_30fps",
> + .width = 1296,
> + .height = 736,
> + .fps = 30,
> + .pix_clk_freq = 84,
> + .used = 0,
> + .pixels_per_line = 2397,
> + .lines_per_frame = 1186,
> + .bin_factor_x = 2,
> + .bin_factor_y = 2,
> + .bin_mode = 1,
> + .skip_frames = 3,
> + .regs = ov5648_720p_30fps_2lanes,
> + },
> +};
> +
> +#define N_RES_STILL (ARRAY_SIZE(ov5648_res_still))
> +
> +struct ov5648_resolution ov5648_res_video[] = {
> + {
> + .desc = "ov5648_5M_15fps",
> + .width = 2592,
> + .height = 1944,
> + .pix_clk_freq = 84,
> + .fps = 15,
> + .used = 0,
> + .pixels_per_line = 2838,
> + .lines_per_frame = 1984,
> + .bin_factor_x = 1,
> + .bin_factor_y = 1,
> + .bin_mode = 0,
> + .skip_frames = 3,
> + .regs = ov5648_5M_15fps_2lanes,
> + },
> + {
> + .desc = "ov5648_1280x960_30fps",
> + .width = 1280,
> + .height = 960,
> + .pix_clk_freq = 84,
> + .fps = 30,
> + .used = 0,
> + .pixels_per_line = 2500,
> + .lines_per_frame = 1126,
> + .bin_factor_x = 2,
> + .bin_factor_y = 2,
> + .bin_mode = 1,
> + .skip_frames = 3,
> + .regs = ov5648_1280x960_30fps_2lanes,
> + },
> + {
> + .desc = "ov5648_720P_30fps",
> + .width = 1296,
> + .height = 736,
> + .fps = 30,
> + .pix_clk_freq = 84,
> + .used = 0,
> + .pixels_per_line = 2397,
> + .lines_per_frame = 1186,
> + .bin_factor_x = 2,
> + .bin_factor_y = 2,
> + .bin_mode = 1,
> + .skip_frames = 3,
> + .regs = ov5648_720p_30fps_2lanes,
> + },
> +};
> +
> +#define N_RES_VIDEO (ARRAY_SIZE(ov5648_res_video))
> +
> +static struct ov5648_resolution *ov5648_res = ov5648_res_preview;
> +static int N_RES = N_RES_PREVIEW;
> +
> +#endif
--
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy
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