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Message-ID: <20210413105731.610028-5-eugen.hristev@microchip.com>
Date: Tue, 13 Apr 2021 13:57:02 +0300
From: Eugen Hristev <eugen.hristev@...rochip.com>
To: <devicetree@...r.kernel.org>, <linux-media@...r.kernel.org>,
<jacopo@...ndi.org>, <robh+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>,
Eugen Hristev <eugen.hristev@...rochip.com>
Subject: [PATCH v3 04/33] media: atmel: atmel-isc: specialize max width and max height
Move the max width and max height constants to the product specific driver
and have them in the device struct.
Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>
---
drivers/media/platform/atmel/atmel-isc-base.c | 28 +++++++++----------
drivers/media/platform/atmel/atmel-isc.h | 9 ++++--
.../media/platform/atmel/atmel-sama5d2-isc.c | 7 +++--
3 files changed, 25 insertions(+), 19 deletions(-)
diff --git a/drivers/media/platform/atmel/atmel-isc-base.c b/drivers/media/platform/atmel/atmel-isc-base.c
index 45fc8dbb7943..350076dd029a 100644
--- a/drivers/media/platform/atmel/atmel-isc-base.c
+++ b/drivers/media/platform/atmel/atmel-isc-base.c
@@ -1204,8 +1204,8 @@ static void isc_try_fse(struct isc_device *isc,
* just use the maximum ISC can receive.
*/
if (ret) {
- pad_cfg->try_crop.width = ISC_MAX_SUPPORT_WIDTH;
- pad_cfg->try_crop.height = ISC_MAX_SUPPORT_HEIGHT;
+ pad_cfg->try_crop.width = isc->max_width;
+ pad_cfg->try_crop.height = isc->max_height;
} else {
pad_cfg->try_crop.width = fse.max_width;
pad_cfg->try_crop.height = fse.max_height;
@@ -1282,10 +1282,10 @@ static int isc_try_fmt(struct isc_device *isc, struct v4l2_format *f,
isc->try_config.sd_format = sd_fmt;
/* Limit to Atmel ISC hardware capabilities */
- if (pixfmt->width > ISC_MAX_SUPPORT_WIDTH)
- pixfmt->width = ISC_MAX_SUPPORT_WIDTH;
- if (pixfmt->height > ISC_MAX_SUPPORT_HEIGHT)
- pixfmt->height = ISC_MAX_SUPPORT_HEIGHT;
+ if (pixfmt->width > isc->max_width)
+ pixfmt->width = isc->max_width;
+ if (pixfmt->height > isc->max_height)
+ pixfmt->height = isc->max_height;
/*
* The mbus format is the one the subdev outputs.
@@ -1327,10 +1327,10 @@ static int isc_try_fmt(struct isc_device *isc, struct v4l2_format *f,
v4l2_fill_pix_format(pixfmt, &format.format);
/* Limit to Atmel ISC hardware capabilities */
- if (pixfmt->width > ISC_MAX_SUPPORT_WIDTH)
- pixfmt->width = ISC_MAX_SUPPORT_WIDTH;
- if (pixfmt->height > ISC_MAX_SUPPORT_HEIGHT)
- pixfmt->height = ISC_MAX_SUPPORT_HEIGHT;
+ if (pixfmt->width > isc->max_width)
+ pixfmt->width = isc->max_width;
+ if (pixfmt->height > isc->max_height)
+ pixfmt->height = isc->max_height;
pixfmt->field = V4L2_FIELD_NONE;
pixfmt->bytesperline = (pixfmt->width * isc->try_config.bpp) >> 3;
@@ -1368,10 +1368,10 @@ static int isc_set_fmt(struct isc_device *isc, struct v4l2_format *f)
return ret;
/* Limit to Atmel ISC hardware capabilities */
- if (pixfmt->width > ISC_MAX_SUPPORT_WIDTH)
- pixfmt->width = ISC_MAX_SUPPORT_WIDTH;
- if (pixfmt->height > ISC_MAX_SUPPORT_HEIGHT)
- pixfmt->height = ISC_MAX_SUPPORT_HEIGHT;
+ if (f->fmt.pix.width > isc->max_width)
+ f->fmt.pix.width = isc->max_width;
+ if (f->fmt.pix.height > isc->max_height)
+ f->fmt.pix.height = isc->max_height;
isc->fmt = *f;
diff --git a/drivers/media/platform/atmel/atmel-isc.h b/drivers/media/platform/atmel/atmel-isc.h
index 8d81d9967ad2..6becc6c3aaf0 100644
--- a/drivers/media/platform/atmel/atmel-isc.h
+++ b/drivers/media/platform/atmel/atmel-isc.h
@@ -10,9 +10,6 @@
*/
#ifndef _ATMEL_ISC_H_
-#define ISC_MAX_SUPPORT_WIDTH 2592
-#define ISC_MAX_SUPPORT_HEIGHT 1944
-
#define ISC_CLK_MAX_DIV 255
enum isc_clk_id {
@@ -191,6 +188,9 @@ struct isc_ctrls {
* @gamma_table: pointer to the table with gamma values, has
* gamma_max sets of GAMMA_ENTRIES entries each
* @gamma_max: maximum number of sets of inside the gamma_table
+ *
+ * @max_width: maximum frame width, dependent on the internal RAM
+ * @max_height: maximum frame height, dependent on the internal RAM
*/
struct isc_device {
struct regmap *regmap;
@@ -254,6 +254,9 @@ struct isc_device {
/* pointer to the defined gamma table */
const u32 (*gamma_table)[GAMMA_ENTRIES];
u32 gamma_max;
+
+ u32 max_width;
+ u32 max_height;
};
extern struct isc_format formats_list[];
diff --git a/drivers/media/platform/atmel/atmel-sama5d2-isc.c b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
index f45d8b96bfb8..f8d1c8ba99b3 100644
--- a/drivers/media/platform/atmel/atmel-sama5d2-isc.c
+++ b/drivers/media/platform/atmel/atmel-sama5d2-isc.c
@@ -49,8 +49,8 @@
#include "atmel-isc-regs.h"
#include "atmel-isc.h"
-#define ISC_MAX_SUPPORT_WIDTH 2592
-#define ISC_MAX_SUPPORT_HEIGHT 1944
+#define ISC_SAMA5D2_MAX_SUPPORT_WIDTH 2592
+#define ISC_SAMA5D2_MAX_SUPPORT_HEIGHT 1944
#define ISC_CLK_MAX_DIV 255
@@ -195,6 +195,9 @@ static int atmel_isc_probe(struct platform_device *pdev)
isc->gamma_table = isc_sama5d2_gamma_table;
isc->gamma_max = 2;
+ isc->max_width = ISC_SAMA5D2_MAX_SUPPORT_WIDTH;
+ isc->max_height = ISC_SAMA5D2_MAX_SUPPORT_HEIGHT;
+
ret = isc_pipeline_init(isc);
if (ret)
return ret;
--
2.25.1
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