* [PATCH 5/5] s5p-fimc: Redefine platform data structure for fimc-is
[not found] ` <1359566606-31394-6-git-send-email-s.nawrocki@samsung.com>
@ 2013-02-01 11:05 ` Sylwester Nawrocki
2013-02-01 17:36 ` Kukjin Kim
0 siblings, 1 reply; 2+ messages in thread
From: Sylwester Nawrocki @ 2013-02-01 11:05 UTC (permalink / raw)
To: linux-arm-kernel
On 01/30/2013 06:23 PM, Sylwester Nawrocki wrote:
> Newer Exynos4 SoC are equipped with a local camera ISP that
> controls external raw image sensor directly. Such sensors
> can be connected through FIMC-LITEn (and MIPI-CSISn) IPs to
> the ISP, which then feeds image data to the FIMCn IP. Thus
> there can be two busses associated with an image source
> (sensor). Rename struct s5p_fimc_isp_info describing external
> image sensor (video decoder) to struct fimc_source_info to
> avoid confusion. bus_type is split into fimc_bus_type and
> sensor_bus_type. The bus type enumeration is extended to
> include both FIMC Writeback input types.
>
> The bus_type enumeration and the data structure name in the
> board files are modified according to the above changes.
>
> Cc: Kukjin Kim <kgene.kim@samsung•com>
> Cc: linux-samsung-soc at vger.kernel.org
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung•com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung•com>
Kukjin, can I please have your ack on this patch so it can be
merged through the media tree ?
--
Thanks,
Sylwester
> ---
> arch/arm/mach-exynos/mach-nuri.c | 8 ++--
> arch/arm/mach-exynos/mach-universal_c210.c | 8 ++--
> arch/arm/mach-s5pv210/mach-goni.c | 6 +--
> drivers/media/platform/s5p-fimc/fimc-lite-reg.c | 8 ++--
> drivers/media/platform/s5p-fimc/fimc-lite-reg.h | 4 +-
> drivers/media/platform/s5p-fimc/fimc-mdevice.c | 16 ++++----
> drivers/media/platform/s5p-fimc/fimc-mdevice.h | 2 +-
> drivers/media/platform/s5p-fimc/fimc-reg.c | 34 +++++++++-------
> drivers/media/platform/s5p-fimc/fimc-reg.h | 6 +--
> include/media/s5p_fimc.h | 49 ++++++++++++++---------
> 10 files changed, 79 insertions(+), 62 deletions(-)
>
> diff --git a/arch/arm/mach-exynos/mach-nuri.c b/arch/arm/mach-exynos/mach-nuri.c
> index 27d4ed8..7c2600e 100644
> --- a/arch/arm/mach-exynos/mach-nuri.c
> +++ b/arch/arm/mach-exynos/mach-nuri.c
> @@ -1209,25 +1209,25 @@ static struct i2c_board_info m5mols_board_info = {
> .platform_data = &m5mols_platdata,
> };
>
> -static struct s5p_fimc_isp_info nuri_camera_sensors[] = {
> +static struct fimc_source_info nuri_camera_sensors[] = {
> {
> .flags = V4L2_MBUS_PCLK_SAMPLE_RISING |
> V4L2_MBUS_VSYNC_ACTIVE_LOW,
> - .bus_type = FIMC_ITU_601,
> + .fimc_bus_type = FIMC_BUS_TYPE_ITU_601,
> .board_info = &s5k6aa_board_info,
> .clk_frequency = 24000000UL,
> .i2c_bus_num = 6,
> }, {
> .flags = V4L2_MBUS_PCLK_SAMPLE_FALLING |
> V4L2_MBUS_VSYNC_ACTIVE_LOW,
> - .bus_type = FIMC_MIPI_CSI2,
> + .fimc_bus_type = FIMC_BUS_TYPE_MIPI_CSI2,
> .board_info = &m5mols_board_info,
> .clk_frequency = 24000000UL,
> },
> };
>
> static struct s5p_platform_fimc fimc_md_platdata = {
> - .isp_info = nuri_camera_sensors,
> + .source_info = nuri_camera_sensors,
> .num_clients = ARRAY_SIZE(nuri_camera_sensors),
> };
>
> diff --git a/arch/arm/mach-exynos/mach-universal_c210.c b/arch/arm/mach-exynos/mach-universal_c210.c
> index 9e3340f..c09290a 100644
> --- a/arch/arm/mach-exynos/mach-universal_c210.c
> +++ b/arch/arm/mach-exynos/mach-universal_c210.c
> @@ -988,12 +988,12 @@ static struct i2c_board_info m5mols_board_info = {
> .platform_data = &m5mols_platdata,
> };
>
> -static struct s5p_fimc_isp_info universal_camera_sensors[] = {
> +static struct fimc_source_info universal_camera_sensors[] = {
> {
> .mux_id = 0,
> .flags = V4L2_MBUS_PCLK_SAMPLE_FALLING |
> V4L2_MBUS_VSYNC_ACTIVE_LOW,
> - .bus_type = FIMC_ITU_601,
> + .fimc_bus_type = FIMC_BUS_TYPE_ITU_601,
> .board_info = &s5k6aa_board_info,
> .i2c_bus_num = 0,
> .clk_frequency = 24000000UL,
> @@ -1001,7 +1001,7 @@ static struct s5p_fimc_isp_info universal_camera_sensors[] = {
> .mux_id = 0,
> .flags = V4L2_MBUS_PCLK_SAMPLE_FALLING |
> V4L2_MBUS_VSYNC_ACTIVE_LOW,
> - .bus_type = FIMC_MIPI_CSI2,
> + .fimc_bus_type = FIMC_BUS_TYPE_MIPI_CSI2,
> .board_info = &m5mols_board_info,
> .i2c_bus_num = 0,
> .clk_frequency = 24000000UL,
> @@ -1009,7 +1009,7 @@ static struct s5p_fimc_isp_info universal_camera_sensors[] = {
> };
>
> static struct s5p_platform_fimc fimc_md_platdata = {
> - .isp_info = universal_camera_sensors,
> + .source_info = universal_camera_sensors,
> .num_clients = ARRAY_SIZE(universal_camera_sensors),
> };
>
> diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
> index c72b310..423f6b6 100644
> --- a/arch/arm/mach-s5pv210/mach-goni.c
> +++ b/arch/arm/mach-s5pv210/mach-goni.c
> @@ -841,12 +841,12 @@ static struct i2c_board_info noon010pc30_board_info = {
> .platform_data = &noon010pc30_pldata,
> };
>
> -static struct s5p_fimc_isp_info goni_camera_sensors[] = {
> +static struct fimc_source_info goni_camera_sensors[] = {
> {
> .mux_id = 0,
> .flags = V4L2_MBUS_PCLK_SAMPLE_FALLING |
> V4L2_MBUS_VSYNC_ACTIVE_LOW,
> - .bus_type = FIMC_ITU_601,
> + .bus_type = FIMC_BUS_TYPE_ITU_601,
> .board_info = &noon010pc30_board_info,
> .i2c_bus_num = 0,
> .clk_frequency = 16000000UL,
> @@ -854,7 +854,7 @@ static struct s5p_fimc_isp_info goni_camera_sensors[] = {
> };
>
> static struct s5p_platform_fimc goni_fimc_md_platdata __initdata = {
> - .isp_info = goni_camera_sensors,
> + .source_info = goni_camera_sensors,
> .num_clients = ARRAY_SIZE(goni_camera_sensors),
> };
>
> diff --git a/drivers/media/platform/s5p-fimc/fimc-lite-reg.c b/drivers/media/platform/s5p-fimc/fimc-lite-reg.c
> index 962652d..f0af075 100644
> --- a/drivers/media/platform/s5p-fimc/fimc-lite-reg.c
> +++ b/drivers/media/platform/s5p-fimc/fimc-lite-reg.c
> @@ -187,12 +187,12 @@ static void flite_hw_set_camera_port(struct fimc_lite *dev, int id)
>
> /* Select serial or parallel bus, camera port (A,B) and set signals polarity */
> void flite_hw_set_camera_bus(struct fimc_lite *dev,
> - struct s5p_fimc_isp_info *s_info)
> + struct fimc_source_info *si)
> {
> u32 cfg = readl(dev->regs + FLITE_REG_CIGCTRL);
> - unsigned int flags = s_info->flags;
> + unsigned int flags = si->flags;
>
> - if (s_info->bus_type != FIMC_MIPI_CSI2) {
> + if (si->sensor_bus_type != FIMC_BUS_TYPE_MIPI_CSI2) {
> cfg &= ~(FLITE_REG_CIGCTRL_SELCAM_MIPI |
> FLITE_REG_CIGCTRL_INVPOLPCLK |
> FLITE_REG_CIGCTRL_INVPOLVSYNC |
> @@ -212,7 +212,7 @@ void flite_hw_set_camera_bus(struct fimc_lite *dev,
>
> writel(cfg, dev->regs + FLITE_REG_CIGCTRL);
>
> - flite_hw_set_camera_port(dev, s_info->mux_id);
> + flite_hw_set_camera_port(dev, si->mux_id);
> }
>
> static void flite_hw_set_out_order(struct fimc_lite *dev, struct flite_frame *f)
> diff --git a/drivers/media/platform/s5p-fimc/fimc-lite-reg.h b/drivers/media/platform/s5p-fimc/fimc-lite-reg.h
> index adb9e9e..0e34584 100644
> --- a/drivers/media/platform/s5p-fimc/fimc-lite-reg.h
> +++ b/drivers/media/platform/s5p-fimc/fimc-lite-reg.h
> @@ -131,9 +131,9 @@ void flite_hw_set_interrupt_mask(struct fimc_lite *dev);
> void flite_hw_capture_start(struct fimc_lite *dev);
> void flite_hw_capture_stop(struct fimc_lite *dev);
> void flite_hw_set_camera_bus(struct fimc_lite *dev,
> - struct s5p_fimc_isp_info *s_info);
> + struct fimc_source_info *s_info);
> void flite_hw_set_camera_polarity(struct fimc_lite *dev,
> - struct s5p_fimc_isp_info *cam);
> + struct fimc_source_info *cam);
> void flite_hw_set_window_offset(struct fimc_lite *dev, struct flite_frame *f);
> void flite_hw_set_source_format(struct fimc_lite *dev, struct flite_frame *f);
>
> diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.c b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
> index d940454..f49f6f1 100644
> --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.c
> +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.c
> @@ -290,7 +290,7 @@ static int fimc_md_register_sensor_entities(struct fimc_md *fmd)
> for (i = 0; i < num_clients; i++) {
> struct v4l2_subdev *sd;
>
> - fmd->sensor[i].pdata = pdata->isp_info[i];
> + fmd->sensor[i].pdata = pdata->source_info[i];
> ret = __fimc_md_set_camclk(fmd, &fmd->sensor[i], true);
> if (ret)
> break;
> @@ -504,7 +504,7 @@ static int __fimc_md_create_fimc_sink_links(struct fimc_md *fmd,
> struct v4l2_subdev *sensor,
> int pad, int link_mask)
> {
> - struct fimc_sensor_info *s_info;
> + struct fimc_sensor_info *s_info = NULL;
> struct media_entity *sink;
> unsigned int flags = 0;
> int ret, i;
> @@ -614,7 +614,7 @@ static int fimc_md_create_links(struct fimc_md *fmd)
> {
> struct v4l2_subdev *csi_sensors[CSIS_MAX_ENTITIES] = { NULL };
> struct v4l2_subdev *sensor, *csis;
> - struct s5p_fimc_isp_info *pdata;
> + struct fimc_source_info *pdata;
> struct fimc_sensor_info *s_info;
> struct media_entity *source, *sink;
> int i, pad, fimc_id = 0, ret = 0;
> @@ -632,8 +632,8 @@ static int fimc_md_create_links(struct fimc_md *fmd)
> source = NULL;
> pdata = &s_info->pdata;
>
> - switch (pdata->bus_type) {
> - case FIMC_MIPI_CSI2:
> + switch (pdata->sensor_bus_type) {
> + case FIMC_BUS_TYPE_MIPI_CSI2:
> if (WARN(pdata->mux_id >= CSIS_MAX_ENTITIES,
> "Wrong CSI channel id: %d\n", pdata->mux_id))
> return -EINVAL;
> @@ -659,14 +659,14 @@ static int fimc_md_create_links(struct fimc_md *fmd)
> csi_sensors[pdata->mux_id] = sensor;
> break;
>
> - case FIMC_ITU_601...FIMC_ITU_656:
> + case FIMC_BUS_TYPE_ITU_601...FIMC_BUS_TYPE_ITU_656:
> source = &sensor->entity;
> pad = 0;
> break;
>
> default:
> v4l2_err(&fmd->v4l2_dev, "Wrong bus_type: %x\n",
> - pdata->bus_type);
> + pdata->sensor_bus_type);
> return -EINVAL;
> }
> if (source == NULL)
> @@ -762,7 +762,7 @@ static int __fimc_md_set_camclk(struct fimc_md *fmd,
> struct fimc_sensor_info *s_info,
> bool on)
> {
> - struct s5p_fimc_isp_info *pdata = &s_info->pdata;
> + struct fimc_source_info *pdata = &s_info->pdata;
> struct fimc_camclk_info *camclk;
> int ret = 0;
>
> diff --git a/drivers/media/platform/s5p-fimc/fimc-mdevice.h b/drivers/media/platform/s5p-fimc/fimc-mdevice.h
> index da7d992..06b0d82 100644
> --- a/drivers/media/platform/s5p-fimc/fimc-mdevice.h
> +++ b/drivers/media/platform/s5p-fimc/fimc-mdevice.h
> @@ -53,7 +53,7 @@ struct fimc_camclk_info {
> * This data structure applies to image sensor and the writeback subdevs.
> */
> struct fimc_sensor_info {
> - struct s5p_fimc_isp_info pdata;
> + struct fimc_source_info pdata;
> struct v4l2_subdev *subdev;
> struct fimc_dev *host;
> };
> diff --git a/drivers/media/platform/s5p-fimc/fimc-reg.c b/drivers/media/platform/s5p-fimc/fimc-reg.c
> index c05d044..50b97c7 100644
> --- a/drivers/media/platform/s5p-fimc/fimc-reg.c
> +++ b/drivers/media/platform/s5p-fimc/fimc-reg.c
> @@ -554,7 +554,7 @@ void fimc_hw_set_output_addr(struct fimc_dev *dev,
> }
>
> int fimc_hw_set_camera_polarity(struct fimc_dev *fimc,
> - struct s5p_fimc_isp_info *cam)
> + struct fimc_source_info *cam)
> {
> u32 cfg = readl(fimc->regs + FIMC_REG_CIGCTRL);
>
> @@ -596,14 +596,15 @@ static const struct mbus_pixfmt_desc pix_desc[] = {
> };
>
> int fimc_hw_set_camera_source(struct fimc_dev *fimc,
> - struct s5p_fimc_isp_info *cam)
> + struct fimc_source_info *source)
> {
> struct fimc_frame *f = &fimc->vid_cap.ctx->s_frame;
> - u32 cfg = 0;
> - u32 bus_width;
> + u32 bus_width, cfg = 0;
> int i;
>
> - if (cam->bus_type == FIMC_ITU_601 || cam->bus_type == FIMC_ITU_656) {
> + switch (source->fimc_bus_type) {
> + case FIMC_BUS_TYPE_ITU_601:
> + case FIMC_BUS_TYPE_ITU_656:
> for (i = 0; i < ARRAY_SIZE(pix_desc); i++) {
> if (fimc->vid_cap.mf.code == pix_desc[i].pixelcode) {
> cfg = pix_desc[i].cisrcfmt;
> @@ -619,15 +620,17 @@ int fimc_hw_set_camera_source(struct fimc_dev *fimc,
> return -EINVAL;
> }
>
> - if (cam->bus_type == FIMC_ITU_601) {
> + if (source->fimc_bus_type == FIMC_BUS_TYPE_ITU_601) {
> if (bus_width == 8)
> cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT;
> else if (bus_width == 16)
> cfg |= FIMC_REG_CISRCFMT_ITU601_16BIT;
> } /* else defaults to ITU-R BT.656 8-bit */
> - } else if (cam->bus_type == FIMC_MIPI_CSI2) {
> + break;
> + case FIMC_BUS_TYPE_MIPI_CSI2:
> if (fimc_fmt_is_user_defined(f->fmt->color))
> cfg |= FIMC_REG_CISRCFMT_ITU601_8BIT;
> + break;
> }
>
> cfg |= (f->o_width << 16) | f->o_height;
> @@ -655,7 +658,7 @@ void fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f)
> }
>
> int fimc_hw_set_camera_type(struct fimc_dev *fimc,
> - struct s5p_fimc_isp_info *cam)
> + struct fimc_source_info *source)
> {
> u32 cfg, tmp;
> struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
> @@ -668,11 +671,11 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc,
> FIMC_REG_CIGCTRL_SELCAM_MIPI | FIMC_REG_CIGCTRL_CAMIF_SELWB |
> FIMC_REG_CIGCTRL_SELCAM_MIPI_A | FIMC_REG_CIGCTRL_CAM_JPEG);
>
> - switch (cam->bus_type) {
> - case FIMC_MIPI_CSI2:
> + switch (source->fimc_bus_type) {
> + case FIMC_BUS_TYPE_MIPI_CSI2:
> cfg |= FIMC_REG_CIGCTRL_SELCAM_MIPI;
>
> - if (cam->mux_id == 0)
> + if (source->mux_id == 0)
> cfg |= FIMC_REG_CIGCTRL_SELCAM_MIPI_A;
>
> /* TODO: add remaining supported formats. */
> @@ -695,15 +698,16 @@ int fimc_hw_set_camera_type(struct fimc_dev *fimc,
>
> writel(tmp, fimc->regs + FIMC_REG_CSIIMGFMT);
> break;
> - case FIMC_ITU_601...FIMC_ITU_656:
> - if (cam->mux_id == 0) /* ITU-A, ITU-B: 0, 1 */
> + case FIMC_BUS_TYPE_ITU_601...FIMC_BUS_TYPE_ITU_656:
> + if (source->mux_id == 0) /* ITU-A, ITU-B: 0, 1 */
> cfg |= FIMC_REG_CIGCTRL_SELCAM_ITU_A;
> break;
> - case FIMC_LCD_WB:
> + case FIMC_BUS_TYPE_LCD_WRITEBACK_A:
> cfg |= FIMC_REG_CIGCTRL_CAMIF_SELWB;
> break;
> default:
> - v4l2_err(&vid_cap->vfd, "Invalid camera bus type selected\n");
> + v4l2_err(&vid_cap->vfd, "Invalid FIMC bus type selected: %d\n",
> + source->fimc_bus_type);
> return -EINVAL;
> }
> writel(cfg, fimc->regs + FIMC_REG_CIGCTRL);
> diff --git a/drivers/media/platform/s5p-fimc/fimc-reg.h b/drivers/media/platform/s5p-fimc/fimc-reg.h
> index f3e0b78..1a40df6 100644
> --- a/drivers/media/platform/s5p-fimc/fimc-reg.h
> +++ b/drivers/media/platform/s5p-fimc/fimc-reg.h
> @@ -297,12 +297,12 @@ void fimc_hw_set_input_addr(struct fimc_dev *fimc, struct fimc_addr *paddr);
> void fimc_hw_set_output_addr(struct fimc_dev *fimc, struct fimc_addr *paddr,
> int index);
> int fimc_hw_set_camera_source(struct fimc_dev *fimc,
> - struct s5p_fimc_isp_info *cam);
> + struct fimc_source_info *cam);
> void fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f);
> int fimc_hw_set_camera_polarity(struct fimc_dev *fimc,
> - struct s5p_fimc_isp_info *cam);
> + struct fimc_source_info *cam);
> int fimc_hw_set_camera_type(struct fimc_dev *fimc,
> - struct s5p_fimc_isp_info *cam);
> + struct fimc_source_info *cam);
> void fimc_hw_clear_irq(struct fimc_dev *dev);
> void fimc_hw_enable_scaler(struct fimc_dev *dev, bool on);
> void fimc_hw_activate_input_dma(struct fimc_dev *dev, bool on);
> diff --git a/include/media/s5p_fimc.h b/include/media/s5p_fimc.h
> index eaea62a..28f3590 100644
> --- a/include/media/s5p_fimc.h
> +++ b/include/media/s5p_fimc.h
> @@ -1,8 +1,8 @@
> /*
> - * Samsung S5P SoC camera interface driver header
> + * Samsung S5P/Exynos4 SoC series camera interface driver header
> *
> - * Copyright (c) 2010 Samsung Electronics Co., Ltd
> - * Author: Sylwester Nawrocki, <s.nawrocki@samsung•com>
> + * Copyright (C) 2010 - 2013 Samsung Electronics Co., Ltd.
> + * Sylwester Nawrocki <s.nawrocki@samsung•com>
> *
> * This program is free software; you can redistribute it and/or modify
> * it under the terms of the GNU General Public License version 2 as
> @@ -14,45 +14,58 @@
>
> #include <media/media-entity.h>
>
> -enum cam_bus_type {
> - FIMC_ITU_601 = 1,
> - FIMC_ITU_656,
> - FIMC_MIPI_CSI2,
> - FIMC_LCD_WB, /* FIFO link from LCD mixer */
> +/*
> + * Enumeration of the FIMC data bus types.
> + */
> +enum fimc_bus_type {
> + /* Camera parallel bus */
> + FIMC_BUS_TYPE_ITU_601 = 1,
> + /* Camera parallel bus with embedded synchronization */
> + FIMC_BUS_TYPE_ITU_656,
> + /* Camera MIPI-CSI2 serial bus */
> + FIMC_BUS_TYPE_MIPI_CSI2,
> + /* FIFO link from LCD controller (WriteBack A) */
> + FIMC_BUS_TYPE_LCD_WRITEBACK_A,
> + /* FIFO link from LCD controller (WriteBack B) */
> + FIMC_BUS_TYPE_LCD_WRITEBACK_B,
> + /* FIFO link from FIMC-IS */
> + FIMC_BUS_TYPE_ISP_WRITEBACK = FIMC_BUS_TYPE_LCD_WRITEBACK_B,
> };
>
> struct i2c_board_info;
>
> /**
> - * struct s5p_fimc_isp_info - image sensor information required for host
> - * interace configuration.
> + * struct fimc_source_info - video source description required for the host
> + * interface configuration
> *
> * @board_info: pointer to I2C subdevice's board info
> * @clk_frequency: frequency of the clock the host interface provides to sensor
> - * @bus_type: determines bus type, MIPI, ITU-R BT.601 etc.
> + * @fimc_bus_type: FIMC camera input type
> + * @sensor_bus_type: image sensor bus type, MIPI, ITU-R BT.601 etc.
> + * @flags: the parallel sensor bus flags defining signals polarity (V4L2_MBUS_*)
> * @i2c_bus_num: i2c control bus id the sensor is attached to
> * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU)
> * @clk_id: index of the SoC peripheral clock for sensors
> - * @flags: the parallel bus flags defining signals polarity (V4L2_MBUS_*)
> */
> -struct s5p_fimc_isp_info {
> +struct fimc_source_info {
> struct i2c_board_info *board_info;
> unsigned long clk_frequency;
> - enum cam_bus_type bus_type;
> + enum fimc_bus_type fimc_bus_type;
> + enum fimc_bus_type sensor_bus_type;
> + u16 flags;
> u16 i2c_bus_num;
> u16 mux_id;
> - u16 flags;
> u8 clk_id;
> };
>
> /**
> * struct s5p_platform_fimc - camera host interface platform data
> *
> - * @isp_info: properties of camera sensor required for host interface setup
> - * @num_clients: the number of attached image sensors
> + * @source_info: properties of an image source for the host interface setup
> + * @num_clients: the number of attached image sources
> */
> struct s5p_platform_fimc {
> - struct s5p_fimc_isp_info *isp_info;
> + struct fimc_source_info *source_info;
> int num_clients;
> };
>
> --
> 1.7.9.5
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