[PATCH v1 1/1] staging: vc04_services: Re-use generic struct s32_fract

From: Andy Shevchenko
Date: Mon May 02 2022 - 08:04:20 EST


Instead of custom data type re-use generic struct s32_fract.
No changes intended.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
.../bcm2835-camera/bcm2835-camera.c | 24 +++++++-------
.../vc04_services/bcm2835-camera/controls.c | 33 ++++++++++---------
.../vchiq-mmal/mmal-msg-common.h | 7 ++--
.../vchiq-mmal/mmal-msg-format.h | 6 ++--
.../vchiq-mmal/mmal-parameters.h | 15 ++++-----
.../vc04_services/vchiq-mmal/mmal-vchiq.c | 10 +++---
6 files changed, 46 insertions(+), 49 deletions(-)

diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
index 88b1878854e0..fd456d1f7061 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
@@ -1033,9 +1033,9 @@ static int mmal_setup_video_component(struct bcm2835_mmal_dev *dev,
preview_port->es.video.crop.y = 0;
preview_port->es.video.crop.width = f->fmt.pix.width;
preview_port->es.video.crop.height = f->fmt.pix.height;
- preview_port->es.video.frame_rate.num =
+ preview_port->es.video.frame_rate.numerator =
dev->capture.timeperframe.denominator;
- preview_port->es.video.frame_rate.den =
+ preview_port->es.video.frame_rate.denominator =
dev->capture.timeperframe.numerator;
ret = vchiq_mmal_port_set_format(dev->instance, preview_port);

@@ -1084,9 +1084,9 @@ static int mmal_setup_encode_component(struct bcm2835_mmal_dev *dev,
port->es.video.crop.y = 0;
port->es.video.crop.width = f->fmt.pix.width;
port->es.video.crop.height = f->fmt.pix.height;
- port->es.video.frame_rate.num =
+ port->es.video.frame_rate.numerator =
dev->capture.timeperframe.denominator;
- port->es.video.frame_rate.den =
+ port->es.video.frame_rate.denominator =
dev->capture.timeperframe.numerator;

port->format.encoding = mfmt->mmal;
@@ -1225,8 +1225,8 @@ static int mmal_setup_components(struct bcm2835_mmal_dev *dev,
camera_port->es.video.crop.y = 0;
camera_port->es.video.crop.width = f->fmt.pix.width;
camera_port->es.video.crop.height = f->fmt.pix.height;
- camera_port->es.video.frame_rate.num = 0;
- camera_port->es.video.frame_rate.den = 1;
+ camera_port->es.video.frame_rate.numerator = 0;
+ camera_port->es.video.frame_rate.denominator = 1;
camera_port->es.video.color_space = MMAL_COLOR_SPACE_JPEG_JFIF;

ret = vchiq_mmal_port_set_format(dev->instance, camera_port);
@@ -1629,8 +1629,8 @@ static int mmal_init(struct bcm2835_mmal_dev *dev)
format->es->video.crop.y = 0;
format->es->video.crop.width = 1024;
format->es->video.crop.height = 768;
- format->es->video.frame_rate.num = 0; /* Rely on fps_range */
- format->es->video.frame_rate.den = 1;
+ format->es->video.frame_rate.numerator = 0; /* Rely on fps_range */
+ format->es->video.frame_rate.denominator = 1;

format = &camera->output[CAM_PORT_VIDEO].format;

@@ -1643,8 +1643,8 @@ static int mmal_init(struct bcm2835_mmal_dev *dev)
format->es->video.crop.y = 0;
format->es->video.crop.width = 1024;
format->es->video.crop.height = 768;
- format->es->video.frame_rate.num = 0; /* Rely on fps_range */
- format->es->video.frame_rate.den = 1;
+ format->es->video.frame_rate.numerator = 0; /* Rely on fps_range */
+ format->es->video.frame_rate.denominator = 1;

format = &camera->output[CAM_PORT_CAPTURE].format;

@@ -1656,8 +1656,8 @@ static int mmal_init(struct bcm2835_mmal_dev *dev)
format->es->video.crop.y = 0;
format->es->video.crop.width = 2592;
format->es->video.crop.height = 1944;
- format->es->video.frame_rate.num = 0; /* Rely on fps_range */
- format->es->video.frame_rate.den = 1;
+ format->es->video.frame_rate.numerator = 0; /* Rely on fps_range */
+ format->es->video.frame_rate.denominator = 1;

dev->capture.width = format->es->video.width;
dev->capture.height = format->es->video.height;
diff --git a/drivers/staging/vc04_services/bcm2835-camera/controls.c b/drivers/staging/vc04_services/bcm2835-camera/controls.c
index eb722f16fb91..a663d34868f8 100644
--- a/drivers/staging/vc04_services/bcm2835-camera/controls.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/controls.c
@@ -154,13 +154,13 @@ static int ctrl_set_rational(struct bcm2835_mmal_dev *dev,
struct v4l2_ctrl *ctrl,
const struct bcm2835_mmal_v4l2_ctrl *mmal_ctrl)
{
- struct mmal_parameter_rational rational_value;
+ struct s32_fract rational_value;
struct vchiq_mmal_port *control;

control = &dev->component[COMP_CAMERA]->control;

- rational_value.num = ctrl->val;
- rational_value.den = 100;
+ rational_value.numumerator = ctrl->val;
+ rational_value.denominator = 100;

return vchiq_mmal_port_parameter_set(dev->instance, control,
mmal_ctrl->mmal_id,
@@ -489,9 +489,10 @@ static int ctrl_set_awb_gains(struct bcm2835_mmal_dev *dev,
else if (ctrl->id == V4L2_CID_BLUE_BALANCE)
dev->blue_gain = ctrl->val;

- gains.r_gain.num = dev->red_gain;
- gains.b_gain.num = dev->blue_gain;
- gains.r_gain.den = gains.b_gain.den = 1000;
+ gains.r_gain.numerator = dev->red_gain;
+ gains.r_gain.denominator = 1000;
+ gains.b_gain.numerator = dev->blue_gain;
+ gains.b_gain.denominator = 1000;

return vchiq_mmal_port_parameter_set(dev->instance, control,
mmal_ctrl->mmal_id,
@@ -1271,26 +1272,26 @@ int set_framerate_params(struct bcm2835_mmal_dev *dev)
struct mmal_parameter_fps_range fps_range;
int ret;

- fps_range.fps_high.num = dev->capture.timeperframe.denominator;
- fps_range.fps_high.den = dev->capture.timeperframe.numerator;
+ fps_range.fps_high.numerator = dev->capture.timeperframe.denominator;
+ fps_range.fps_high.denominator = dev->capture.timeperframe.numerator;

if ((dev->exposure_mode_active != MMAL_PARAM_EXPOSUREMODE_OFF) &&
(dev->exp_auto_priority)) {
/* Variable FPS. Define min FPS as 1fps. */
- fps_range.fps_low.num = 1;
- fps_range.fps_low.den = 1;
+ fps_range.fps_low.numerator = 1;
+ fps_range.fps_low.denominator = 1;
} else {
/* Fixed FPS - set min and max to be the same */
- fps_range.fps_low.num = fps_range.fps_high.num;
- fps_range.fps_low.den = fps_range.fps_high.den;
+ fps_range.fps_low.numerator = fps_range.fps_high.numerator;
+ fps_range.fps_low.denominator = fps_range.fps_high.denominator;
}

v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
"Set fps range to %d/%d to %d/%d\n",
- fps_range.fps_low.num,
- fps_range.fps_low.den,
- fps_range.fps_high.num,
- fps_range.fps_high.den);
+ fps_range.fps_low.numerator,
+ fps_range.fps_low.denominator,
+ fps_range.fps_high.numerator,
+ fps_range.fps_high.denominator);

ret = vchiq_mmal_port_parameter_set(dev->instance,
&dev->component[COMP_CAMERA]->output[CAM_PORT_PREVIEW],
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-common.h b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-common.h
index d77e15f25dda..492d4c5dca08 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-common.h
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-common.h
@@ -14,6 +14,8 @@
#ifndef MMAL_MSG_COMMON_H
#define MMAL_MSG_COMMON_H

+#include <linux/types.h>
+
enum mmal_msg_status {
MMAL_MSG_STATUS_SUCCESS = 0, /**< Success */
MMAL_MSG_STATUS_ENOMEM, /**< Out of memory */
@@ -40,9 +42,4 @@ struct mmal_rect {
s32 height; /**< height */
};

-struct mmal_rational {
- s32 num; /**< Numerator */
- s32 den; /**< Denominator */
-};
-
#endif /* MMAL_MSG_COMMON_H */
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-format.h b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-format.h
index 1e996d8cd283..5569876d8c7d 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-format.h
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-msg-format.h
@@ -14,6 +14,8 @@
#ifndef MMAL_MSG_FORMAT_H
#define MMAL_MSG_FORMAT_H

+#include <linux/math.h>
+
#include "mmal-msg-common.h"

/* MMAL_ES_FORMAT_T */
@@ -30,8 +32,8 @@ struct mmal_video_format {
u32 width; /* Width of frame in pixels */
u32 height; /* Height of frame in rows of pixels */
struct mmal_rect crop; /* Visible region of the frame */
- struct mmal_rational frame_rate; /* Frame rate */
- struct mmal_rational par; /* Pixel aspect ratio */
+ struct s32_fract frame_rate; /* Frame rate */
+ struct s32_fract par; /* Pixel aspect ratio */

/*
* FourCC specifying the color space of the video stream. See the
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h b/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
index 2277e05b1e31..a0cdd28101f2 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-parameters.h
@@ -22,6 +22,8 @@
#ifndef MMAL_PARAMETERS_H
#define MMAL_PARAMETERS_H

+#include <linux/math.h>
+
/** Common parameter ID group, used with many types of component. */
#define MMAL_PARAMETER_GROUP_COMMON (0 << 16)
/** Camera-specific parameter ID group. */
@@ -223,11 +225,6 @@ enum mmal_parameter_camera_type {
MMAL_PARAMETER_CUSTOM_AWB_GAINS,
};

-struct mmal_parameter_rational {
- s32 num; /**< Numerator */
- s32 den; /**< Denominator */
-};
-
enum mmal_parameter_camera_config_timestamp_mode {
MMAL_PARAM_TIMESTAMP_MODE_ZERO = 0, /* Always timestamp frames as 0 */
MMAL_PARAM_TIMESTAMP_MODE_RAW_STC, /* Use the raw STC value
@@ -243,9 +240,9 @@ enum mmal_parameter_camera_config_timestamp_mode {

struct mmal_parameter_fps_range {
/**< Low end of the permitted framerate range */
- struct mmal_parameter_rational fps_low;
+ struct s32_fract fps_low;
/**< High end of the permitted framerate range */
- struct mmal_parameter_rational fps_high;
+ struct s32_fract fps_high;
};

/* camera configuration parameter */
@@ -350,8 +347,8 @@ enum MMAL_PARAM_FLICKERAVOID {
};

struct mmal_parameter_awbgains {
- struct mmal_parameter_rational r_gain; /**< Red gain */
- struct mmal_parameter_rational b_gain; /**< Blue gain */
+ struct s32_fract r_gain; /**< Red gain */
+ struct s32_fract b_gain; /**< Blue gain */
};

/** Manner of video rate control */
diff --git a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
index 249dd3e30c2f..845b20e4d05a 100644
--- a/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/vchiq-mmal/mmal-vchiq.c
@@ -744,9 +744,9 @@ static void dump_port_info(struct vchiq_mmal_port *port)
port->es.video.crop.y,
port->es.video.crop.width, port->es.video.crop.height);
pr_debug(" : framerate %d/%d aspect %d/%d\n",
- port->es.video.frame_rate.num,
- port->es.video.frame_rate.den,
- port->es.video.par.num, port->es.video.par.den);
+ port->es.video.frame_rate.numerator,
+ port->es.video.frame_rate.denominator,
+ port->es.video.par.numerator, port->es.video.par.denominator);
}
}

@@ -1549,8 +1549,8 @@ int vchiq_mmal_port_connect_tunnel(struct vchiq_mmal_instance *instance,
dst->es.video.crop.y = src->es.video.crop.y;
dst->es.video.crop.width = src->es.video.crop.width;
dst->es.video.crop.height = src->es.video.crop.height;
- dst->es.video.frame_rate.num = src->es.video.frame_rate.num;
- dst->es.video.frame_rate.den = src->es.video.frame_rate.den;
+ dst->es.video.frame_rate.numerator = src->es.video.frame_rate.numerator;
+ dst->es.video.frame_rate.denominator = src->es.video.frame_rate.denominator;

/* set new format */
ret = port_info_set(instance, dst);
--
2.35.1