--- zzzz-none-000/linux-3.10.107/drivers/media/platform/omap3isp/ispccp2.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/platform/omap3isp/ispccp2.c	2021-02-04 17:41:59.000000000 +0000
@@ -12,16 +12,6 @@
  * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA
  */
 
 #include <linux/delay.h>
@@ -158,13 +148,17 @@
  * @ccp2: pointer to ISP CCP2 device
  * @enable: enable/disable flag
  */
-static void ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
+static int ccp2_if_enable(struct isp_ccp2_device *ccp2, u8 enable)
 {
 	struct isp_device *isp = to_isp_device(ccp2);
+	int ret;
 	int i;
 
-	if (enable && ccp2->vdds_csib)
-		regulator_enable(ccp2->vdds_csib);
+	if (enable && ccp2->vdds_csib) {
+		ret = regulator_enable(ccp2->vdds_csib);
+		if (ret < 0)
+			return ret;
+	}
 
 	/* Enable/Disable all the LCx channels */
 	for (i = 0; i < CCP2_LCx_CHANS_NUM; i++)
@@ -179,6 +173,8 @@
 
 	if (!enable && ccp2->vdds_csib)
 		regulator_disable(ccp2->vdds_csib);
+
+	return 0;
 }
 
 /*
@@ -205,14 +201,14 @@
 /*
  * ccp2_phyif_config - Initialize CCP2 phy interface config
  * @ccp2: Pointer to ISP CCP2 device
- * @config: CCP2 platform data
+ * @buscfg: CCP2 platform data
  *
  * Configure the CCP2 physical interface module from platform data.
  *
  * Returns -EIO if strobe is chosen in CSI1 mode, or 0 on success.
  */
 static int ccp2_phyif_config(struct isp_ccp2_device *ccp2,
-			     const struct isp_ccp2_platform_data *pdata)
+			     const struct isp_ccp2_cfg *buscfg)
 {
 	struct isp_device *isp = to_isp_device(ccp2);
 	u32 val;
@@ -222,16 +218,16 @@
 			    ISPCCP2_CTRL_IO_OUT_SEL | ISPCCP2_CTRL_MODE;
 	/* Data/strobe physical layer */
 	BIT_SET(val, ISPCCP2_CTRL_PHY_SEL_SHIFT, ISPCCP2_CTRL_PHY_SEL_MASK,
-		pdata->phy_layer);
+		buscfg->phy_layer);
 	BIT_SET(val, ISPCCP2_CTRL_INV_SHIFT, ISPCCP2_CTRL_INV_MASK,
-		pdata->strobe_clk_pol);
+		buscfg->strobe_clk_pol);
 	isp_reg_writel(isp, val, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL);
 
 	val = isp_reg_readl(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_CTRL);
 	if (!(val & ISPCCP2_CTRL_MODE)) {
-		if (pdata->ccp2_mode == ISP_CCP2_MODE_CCP2)
+		if (buscfg->ccp2_mode == ISP_CCP2_MODE_CCP2)
 			dev_warn(isp->dev, "OMAP3 CCP2 bus not available\n");
-		if (pdata->phy_layer == ISP_CCP2_PHY_DATA_STROBE)
+		if (buscfg->phy_layer == ISP_CCP2_PHY_DATA_STROBE)
 			/* Strobe mode requires CCP2 */
 			return -EIO;
 	}
@@ -293,10 +289,10 @@
 	u32 val, format;
 
 	switch (config->format) {
-	case V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8:
+	case MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8:
 		format = ISPCCP2_LCx_CTRL_FORMAT_RAW8_DPCM10_VP;
 		break;
-	case V4L2_MBUS_FMT_SGRBG10_1X10:
+	case MEDIA_BUS_FMT_SGRBG10_1X10:
 	default:
 		format = ISPCCP2_LCx_CTRL_FORMAT_RAW10_VP;	/* RAW10+VP */
 		break;
@@ -351,7 +347,7 @@
  */
 static int ccp2_if_configure(struct isp_ccp2_device *ccp2)
 {
-	const struct isp_v4l2_subdevs_group *pdata;
+	const struct isp_bus_cfg *buscfg;
 	struct v4l2_mbus_framefmt *format;
 	struct media_pad *pad;
 	struct v4l2_subdev *sensor;
@@ -360,22 +356,22 @@
 
 	ccp2_pwr_cfg(ccp2);
 
-	pad = media_entity_remote_source(&ccp2->pads[CCP2_PAD_SINK]);
+	pad = media_entity_remote_pad(&ccp2->pads[CCP2_PAD_SINK]);
 	sensor = media_entity_to_v4l2_subdev(pad->entity);
-	pdata = sensor->host_priv;
+	buscfg = sensor->host_priv;
 
-	ret = ccp2_phyif_config(ccp2, &pdata->bus.ccp2);
+	ret = ccp2_phyif_config(ccp2, &buscfg->bus.ccp2);
 	if (ret < 0)
 		return ret;
 
-	ccp2_vp_config(ccp2, pdata->bus.ccp2.vpclk_div + 1);
+	ccp2_vp_config(ccp2, buscfg->bus.ccp2.vpclk_div + 1);
 
 	v4l2_subdev_call(sensor, sensor, g_skip_top_lines, &lines);
 
 	format = &ccp2->formats[CCP2_PAD_SINK];
 
 	ccp2->if_cfg.data_start = lines;
-	ccp2->if_cfg.crc = pdata->bus.ccp2.crc;
+	ccp2->if_cfg.crc = buscfg->bus.ccp2.crc;
 	ccp2->if_cfg.format = format->code;
 	ccp2->if_cfg.data_size = format->height;
 
@@ -442,7 +438,7 @@
 	u32 val, hwords;
 
 	if (sink_pixcode != source_pixcode &&
-	    sink_pixcode == V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8)
+	    sink_pixcode == MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8)
 		dpcm_decompress = 1;
 
 	ccp2_pwr_cfg(ccp2);
@@ -512,7 +508,7 @@
 		       ISPCCP2_LCM_IRQSTATUS_EOF_IRQ,
 		       OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_IRQSTATUS);
 
-	/* Enable LCM interupts */
+	/* Enable LCM interrupts */
 	isp_reg_set(isp, OMAP3_ISP_IOMEM_CCP2, ISPCCP2_LCM_IRQENABLE,
 		    ISPCCP2_LCM_IRQSTATUS_EOF_IRQ |
 		    ISPCCP2_LCM_IRQSTATUS_OCPERROR_IRQ);
@@ -543,7 +539,7 @@
 
 	buffer = omap3isp_video_buffer_next(&ccp2->video_in);
 	if (buffer != NULL)
-		ccp2_set_inaddr(ccp2, buffer->isp_addr);
+		ccp2_set_inaddr(ccp2, buffer->dma);
 
 	pipe->state |= ISP_PIPELINE_IDLE_INPUT;
 
@@ -608,24 +604,24 @@
  */
 
 static const unsigned int ccp2_fmts[] = {
-	V4L2_MBUS_FMT_SGRBG10_1X10,
-	V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8,
+	MEDIA_BUS_FMT_SGRBG10_1X10,
+	MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8,
 };
 
 /*
  * __ccp2_get_format - helper function for getting ccp2 format
  * @ccp2  : Pointer to ISP CCP2 device
- * @fh    : V4L2 subdev file handle
+ * @cfg: V4L2 subdev pad configuration
  * @pad   : pad number
  * @which : wanted subdev format
  * return format structure or NULL on error
  */
 static struct v4l2_mbus_framefmt *
-__ccp2_get_format(struct isp_ccp2_device *ccp2, struct v4l2_subdev_fh *fh,
+__ccp2_get_format(struct isp_ccp2_device *ccp2, struct v4l2_subdev_pad_config *cfg,
 		     unsigned int pad, enum v4l2_subdev_format_whence which)
 {
 	if (which == V4L2_SUBDEV_FORMAT_TRY)
-		return v4l2_subdev_get_try_format(fh, pad);
+		return v4l2_subdev_get_try_format(&ccp2->subdev, cfg, pad);
 	else
 		return &ccp2->formats[pad];
 }
@@ -633,13 +629,13 @@
 /*
  * ccp2_try_format - Handle try format by pad subdev method
  * @ccp2  : Pointer to ISP CCP2 device
- * @fh    : V4L2 subdev file handle
+ * @cfg: V4L2 subdev pad configuration
  * @pad   : pad num
  * @fmt   : pointer to v4l2 mbus format structure
  * @which : wanted subdev format
  */
 static void ccp2_try_format(struct isp_ccp2_device *ccp2,
-			       struct v4l2_subdev_fh *fh, unsigned int pad,
+			       struct v4l2_subdev_pad_config *cfg, unsigned int pad,
 			       struct v4l2_mbus_framefmt *fmt,
 			       enum v4l2_subdev_format_whence which)
 {
@@ -647,8 +643,8 @@
 
 	switch (pad) {
 	case CCP2_PAD_SINK:
-		if (fmt->code != V4L2_MBUS_FMT_SGRBG10_DPCM8_1X8)
-			fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10;
+		if (fmt->code != MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8)
+			fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
 
 		if (ccp2->input == CCP2_INPUT_SENSOR) {
 			fmt->width = clamp_t(u32, fmt->width,
@@ -673,9 +669,9 @@
 		 * When CCP2 write to memory feature will be added this
 		 * should be changed properly.
 		 */
-		format = __ccp2_get_format(ccp2, fh, CCP2_PAD_SINK, which);
+		format = __ccp2_get_format(ccp2, cfg, CCP2_PAD_SINK, which);
 		memcpy(fmt, format, sizeof(*fmt));
-		fmt->code = V4L2_MBUS_FMT_SGRBG10_1X10;
+		fmt->code = MEDIA_BUS_FMT_SGRBG10_1X10;
 		break;
 	}
 
@@ -686,12 +682,12 @@
 /*
  * ccp2_enum_mbus_code - Handle pixel format enumeration
  * @sd     : pointer to v4l2 subdev structure
- * @fh     : V4L2 subdev file handle
+ * @cfg: V4L2 subdev pad configuration
  * @code   : pointer to v4l2_subdev_mbus_code_enum structure
  * return -EINVAL or zero on success
  */
 static int ccp2_enum_mbus_code(struct v4l2_subdev *sd,
-				  struct v4l2_subdev_fh *fh,
+				  struct v4l2_subdev_pad_config *cfg,
 				  struct v4l2_subdev_mbus_code_enum *code)
 {
 	struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd);
@@ -706,8 +702,8 @@
 		if (code->index != 0)
 			return -EINVAL;
 
-		format = __ccp2_get_format(ccp2, fh, CCP2_PAD_SINK,
-					      V4L2_SUBDEV_FORMAT_TRY);
+		format = __ccp2_get_format(ccp2, cfg, CCP2_PAD_SINK,
+					      code->which);
 		code->code = format->code;
 	}
 
@@ -715,7 +711,7 @@
 }
 
 static int ccp2_enum_frame_size(struct v4l2_subdev *sd,
-				   struct v4l2_subdev_fh *fh,
+				   struct v4l2_subdev_pad_config *cfg,
 				   struct v4l2_subdev_frame_size_enum *fse)
 {
 	struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd);
@@ -727,7 +723,7 @@
 	format.code = fse->code;
 	format.width = 1;
 	format.height = 1;
-	ccp2_try_format(ccp2, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY);
+	ccp2_try_format(ccp2, cfg, fse->pad, &format, fse->which);
 	fse->min_width = format.width;
 	fse->min_height = format.height;
 
@@ -737,7 +733,7 @@
 	format.code = fse->code;
 	format.width = -1;
 	format.height = -1;
-	ccp2_try_format(ccp2, fh, fse->pad, &format, V4L2_SUBDEV_FORMAT_TRY);
+	ccp2_try_format(ccp2, cfg, fse->pad, &format, fse->which);
 	fse->max_width = format.width;
 	fse->max_height = format.height;
 
@@ -747,17 +743,17 @@
 /*
  * ccp2_get_format - Handle get format by pads subdev method
  * @sd    : pointer to v4l2 subdev structure
- * @fh    : V4L2 subdev file handle
+ * @cfg: V4L2 subdev pad configuration
  * @fmt   : pointer to v4l2 subdev format structure
  * return -EINVAL or zero on success
  */
-static int ccp2_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+static int ccp2_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
 			      struct v4l2_subdev_format *fmt)
 {
 	struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd);
 	struct v4l2_mbus_framefmt *format;
 
-	format = __ccp2_get_format(ccp2, fh, fmt->pad, fmt->which);
+	format = __ccp2_get_format(ccp2, cfg, fmt->pad, fmt->which);
 	if (format == NULL)
 		return -EINVAL;
 
@@ -768,29 +764,29 @@
 /*
  * ccp2_set_format - Handle set format by pads subdev method
  * @sd    : pointer to v4l2 subdev structure
- * @fh    : V4L2 subdev file handle
+ * @cfg: V4L2 subdev pad configuration
  * @fmt   : pointer to v4l2 subdev format structure
  * returns zero
  */
-static int ccp2_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
+static int ccp2_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
 			      struct v4l2_subdev_format *fmt)
 {
 	struct isp_ccp2_device *ccp2 = v4l2_get_subdevdata(sd);
 	struct v4l2_mbus_framefmt *format;
 
-	format = __ccp2_get_format(ccp2, fh, fmt->pad, fmt->which);
+	format = __ccp2_get_format(ccp2, cfg, fmt->pad, fmt->which);
 	if (format == NULL)
 		return -EINVAL;
 
-	ccp2_try_format(ccp2, fh, fmt->pad, &fmt->format, fmt->which);
+	ccp2_try_format(ccp2, cfg, fmt->pad, &fmt->format, fmt->which);
 	*format = fmt->format;
 
 	/* Propagate the format from sink to source */
 	if (fmt->pad == CCP2_PAD_SINK) {
-		format = __ccp2_get_format(ccp2, fh, CCP2_PAD_SOURCE,
+		format = __ccp2_get_format(ccp2, cfg, CCP2_PAD_SOURCE,
 					   fmt->which);
 		*format = fmt->format;
-		ccp2_try_format(ccp2, fh, CCP2_PAD_SOURCE, format, fmt->which);
+		ccp2_try_format(ccp2, cfg, CCP2_PAD_SOURCE, format, fmt->which);
 	}
 
 	return 0;
@@ -812,10 +808,10 @@
 	memset(&format, 0, sizeof(format));
 	format.pad = CCP2_PAD_SINK;
 	format.which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE;
-	format.format.code = V4L2_MBUS_FMT_SGRBG10_1X10;
+	format.format.code = MEDIA_BUS_FMT_SGRBG10_1X10;
 	format.format.width = 4096;
 	format.format.height = 4096;
-	ccp2_set_format(sd, fh, &format);
+	ccp2_set_format(sd, fh ? fh->pad : NULL, &format);
 
 	return 0;
 }
@@ -851,7 +847,12 @@
 		ccp2_print_status(ccp2);
 
 		/* Enable CSI1/CCP2 interface */
-		ccp2_if_enable(ccp2, 1);
+		ret = ccp2_if_enable(ccp2, 1);
+		if (ret < 0) {
+			if (ccp2->phy)
+				omap3isp_csiphy_release(ccp2->phy);
+			return ret;
+		}
 		break;
 
 	case ISP_PIPELINE_STREAM_SINGLESHOT:
@@ -929,7 +930,7 @@
 {
 	struct isp_ccp2_device *ccp2 = &video->isp->isp_ccp2;
 
-	ccp2_set_inaddr(ccp2, buffer->isp_addr);
+	ccp2_set_inaddr(ccp2, buffer->dma);
 	return 0;
 }
 
@@ -1065,7 +1066,8 @@
 	v4l2_set_subdevdata(sd, ccp2);
 	sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 
-	pads[CCP2_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
+	pads[CCP2_PAD_SINK].flags = MEDIA_PAD_FL_SINK
+				    | MEDIA_PAD_FL_MUST_CONNECT;
 	pads[CCP2_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
 
 	me->ops = &ccp2_media_ops;
@@ -1084,7 +1086,7 @@
 	 * implementation we use a fixed 32 bytes alignment regardless of the
 	 * input format and width. If strict 128 bits alignment support is
 	 * required ispvideo will need to be made aware of this special dual
-	 * alignement requirements.
+	 * alignment requirements.
 	 */
 	ccp2->video_in.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
 	ccp2->video_in.bpl_alignment = 32;