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path: root/drivers/media/platform/vimc/vimc-scaler.c
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Diffstat (limited to 'drivers/media/platform/vimc/vimc-scaler.c')
-rw-r--r--drivers/media/platform/vimc/vimc-scaler.c102
1 files changed, 26 insertions, 76 deletions
diff --git a/drivers/media/platform/vimc/vimc-scaler.c b/drivers/media/platform/vimc/vimc-scaler.c
index 49ab8d9dd9c9..2f88a7d9d67b 100644
--- a/drivers/media/platform/vimc/vimc-scaler.c
+++ b/drivers/media/platform/vimc/vimc-scaler.c
@@ -5,30 +5,22 @@
* Copyright (C) 2015-2017 Helen Koike <helen.fornazier@gmail.com>
*/
-#include <linux/component.h>
-#include <linux/module.h>
-#include <linux/mod_devicetable.h>
-#include <linux/platform_device.h>
+#include <linux/moduleparam.h>
#include <linux/vmalloc.h>
#include <linux/v4l2-mediabus.h>
#include <media/v4l2-subdev.h>
#include "vimc-common.h"
-#define VIMC_SCA_DRV_NAME "vimc-scaler"
-
static unsigned int sca_mult = 3;
module_param(sca_mult, uint, 0000);
MODULE_PARM_DESC(sca_mult, " the image size multiplier");
-#define IS_SINK(pad) (!pad)
-#define IS_SRC(pad) (pad)
#define MAX_ZOOM 8
struct vimc_sca_device {
struct vimc_ent_device ved;
struct v4l2_subdev sd;
- struct device *dev;
/* NOTE: the source fmt is the same as the sink
* with the width and hight multiplied by mult
*/
@@ -37,6 +29,7 @@ struct vimc_sca_device {
u8 *src_frame;
unsigned int src_line_size;
unsigned int bpp;
+ struct media_pad pads[2];
};
static const struct v4l2_mbus_framefmt sink_fmt_default = {
@@ -98,7 +91,7 @@ static int vimc_sca_enum_frame_size(struct v4l2_subdev *sd,
fse->min_width = VIMC_FRAME_MIN_WIDTH;
fse->min_height = VIMC_FRAME_MIN_HEIGHT;
- if (IS_SINK(fse->pad)) {
+ if (VIMC_IS_SINK(fse->pad)) {
fse->max_width = VIMC_FRAME_MAX_WIDTH;
fse->max_height = VIMC_FRAME_MAX_HEIGHT;
} else {
@@ -121,7 +114,7 @@ static int vimc_sca_get_fmt(struct v4l2_subdev *sd,
vsca->sink_fmt;
/* Scale the frame size for the source pad */
- if (IS_SRC(format->pad)) {
+ if (VIMC_IS_SRC(format->pad)) {
format->format.width = vsca->sink_fmt.width * sca_mult;
format->format.height = vsca->sink_fmt.height * sca_mult;
}
@@ -170,7 +163,7 @@ static int vimc_sca_set_fmt(struct v4l2_subdev *sd,
* Do not change the format of the source pad,
* it is propagated from the sink
*/
- if (IS_SRC(fmt->pad)) {
+ if (VIMC_IS_SRC(fmt->pad)) {
fmt->format = *sink_fmt;
fmt->format.width = sink_fmt->width * sca_mult;
fmt->format.height = sink_fmt->height * sca_mult;
@@ -178,7 +171,7 @@ static int vimc_sca_set_fmt(struct v4l2_subdev *sd,
/* Set the new format in the sink pad */
vimc_sca_adjust_sink_fmt(&fmt->format);
- dev_dbg(vsca->dev, "%s: sink format update: "
+ dev_dbg(vsca->ved.dev, "%s: sink format update: "
"old:%dx%d (0x%x, %d, %d, %d, %d) "
"new:%dx%d (0x%x, %d, %d, %d, %d)\n", vsca->sd.name,
/* old */
@@ -278,7 +271,7 @@ static void vimc_sca_scale_pix(const struct vimc_sca_device *const vsca,
vsca->bpp);
pixel = &sink_frame[index];
- dev_dbg(vsca->dev,
+ dev_dbg(vsca->ved.dev,
"sca: %s: --- scale_pix sink pos %dx%d, index %d ---\n",
vsca->sd.name, lin, col, index);
@@ -288,7 +281,7 @@ static void vimc_sca_scale_pix(const struct vimc_sca_device *const vsca,
index = VIMC_FRAME_INDEX(lin * sca_mult, col * sca_mult,
vsca->sink_fmt.width * sca_mult, vsca->bpp);
- dev_dbg(vsca->dev, "sca: %s: scale_pix src pos %dx%d, index %d\n",
+ dev_dbg(vsca->ved.dev, "sca: %s: scale_pix src pos %dx%d, index %d\n",
vsca->sd.name, lin * sca_mult, col * sca_mult, index);
/* Repeat this pixel mult times */
@@ -297,7 +290,7 @@ static void vimc_sca_scale_pix(const struct vimc_sca_device *const vsca,
* pixel repetition in a line
*/
for (j = 0; j < sca_mult * vsca->bpp; j += vsca->bpp) {
- dev_dbg(vsca->dev,
+ dev_dbg(vsca->ved.dev,
"sca: %s: sca: scale_pix src pos %d\n",
vsca->sd.name, index + j);
@@ -343,6 +336,7 @@ static void vimc_sca_release(struct v4l2_subdev *sd)
struct vimc_sca_device *vsca =
container_of(sd, struct vimc_sca_device, sd);
+ media_entity_cleanup(vsca->ved.ent);
kfree(vsca);
}
@@ -350,89 +344,45 @@ static const struct v4l2_subdev_internal_ops vimc_sca_int_ops = {
.release = vimc_sca_release,
};
-static void vimc_sca_comp_unbind(struct device *comp, struct device *master,
- void *master_data)
+void vimc_sca_rm(struct vimc_device *vimc, struct vimc_ent_device *ved)
{
- struct vimc_ent_device *ved = dev_get_drvdata(comp);
- struct vimc_sca_device *vsca = container_of(ved, struct vimc_sca_device,
- ved);
+ struct vimc_sca_device *vsca;
- vimc_ent_sd_unregister(ved, &vsca->sd);
+ vsca = container_of(ved, struct vimc_sca_device, ved);
+ v4l2_device_unregister_subdev(&vsca->sd);
}
-
-static int vimc_sca_comp_bind(struct device *comp, struct device *master,
- void *master_data)
+struct vimc_ent_device *vimc_sca_add(struct vimc_device *vimc,
+ const char *vcfg_name)
{
- struct v4l2_device *v4l2_dev = master_data;
- struct vimc_platform_data *pdata = comp->platform_data;
+ struct v4l2_device *v4l2_dev = &vimc->v4l2_dev;
struct vimc_sca_device *vsca;
int ret;
/* Allocate the vsca struct */
vsca = kzalloc(sizeof(*vsca), GFP_KERNEL);
if (!vsca)
- return -ENOMEM;
+ return NULL;
/* Initialize ved and sd */
+ vsca->pads[0].flags = MEDIA_PAD_FL_SINK;
+ vsca->pads[1].flags = MEDIA_PAD_FL_SOURCE;
+
ret = vimc_ent_sd_register(&vsca->ved, &vsca->sd, v4l2_dev,
- pdata->entity_name,
+ vcfg_name,
MEDIA_ENT_F_PROC_VIDEO_SCALER, 2,
- (const unsigned long[2]) {MEDIA_PAD_FL_SINK,
- MEDIA_PAD_FL_SOURCE},
+ vsca->pads,
&vimc_sca_int_ops, &vimc_sca_ops);
if (ret) {
kfree(vsca);
- return ret;
+ return NULL;
}
vsca->ved.process_frame = vimc_sca_process_frame;
- dev_set_drvdata(comp, &vsca->ved);
- vsca->dev = comp;
+ vsca->ved.dev = &vimc->pdev.dev;
/* Initialize the frame format */
vsca->sink_fmt = sink_fmt_default;
- return 0;
-}
-
-static const struct component_ops vimc_sca_comp_ops = {
- .bind = vimc_sca_comp_bind,
- .unbind = vimc_sca_comp_unbind,
-};
-
-static int vimc_sca_probe(struct platform_device *pdev)
-{
- return component_add(&pdev->dev, &vimc_sca_comp_ops);
-}
-
-static int vimc_sca_remove(struct platform_device *pdev)
-{
- component_del(&pdev->dev, &vimc_sca_comp_ops);
-
- return 0;
+ return &vsca->ved;
}
-
-static const struct platform_device_id vimc_sca_driver_ids[] = {
- {
- .name = VIMC_SCA_DRV_NAME,
- },
- { }
-};
-
-static struct platform_driver vimc_sca_pdrv = {
- .probe = vimc_sca_probe,
- .remove = vimc_sca_remove,
- .id_table = vimc_sca_driver_ids,
- .driver = {
- .name = VIMC_SCA_DRV_NAME,
- },
-};
-
-module_platform_driver(vimc_sca_pdrv);
-
-MODULE_DEVICE_TABLE(platform, vimc_sca_driver_ids);
-
-MODULE_DESCRIPTION("Virtual Media Controller Driver (VIMC) Scaler");
-MODULE_AUTHOR("Helen Mae Koike Fornazier <helen.fornazier@gmail.com>");
-MODULE_LICENSE("GPL");
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 13:43:48 +0100