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path: root/drivers/media/platform/soc_camera/rcar_vin.c
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Diffstat (limited to 'drivers/media/platform/soc_camera/rcar_vin.c')
-rw-r--r--drivers/media/platform/soc_camera/rcar_vin.c119
1 files changed, 37 insertions, 82 deletions
diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c
index efe57b23fac1..b7fd695b9ed5 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
@@ -21,14 +21,13 @@
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
-#include <linux/platform_data/camera-rcar.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/slab.h>
#include <linux/videodev2.h>
#include <media/soc_camera.h>
-#include <media/soc_mediabus.h>
+#include <media/drv-intf/soc_mediabus.h>
#include <media/v4l2-common.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-device.h>
@@ -138,6 +137,11 @@
#define TIMEOUT_MS 100
+#define RCAR_VIN_HSYNC_ACTIVE_LOW (1 << 0)
+#define RCAR_VIN_VSYNC_ACTIVE_LOW (1 << 1)
+#define RCAR_VIN_BT601 (1 << 2)
+#define RCAR_VIN_BT656 (1 << 3)
+
enum chip_id {
RCAR_GEN2,
RCAR_H1,
@@ -527,46 +531,14 @@ struct rcar_vin_cam {
* required
*/
static int rcar_vin_videobuf_setup(struct vb2_queue *vq,
- const void *parg,
unsigned int *count,
unsigned int *num_planes,
unsigned int sizes[], void *alloc_ctxs[])
{
- const struct v4l2_format *fmt = parg;
struct soc_camera_device *icd = soc_camera_from_vb2q(vq);
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct rcar_vin_priv *priv = ici->priv;
- if (fmt) {
- const struct soc_camera_format_xlate *xlate;
- unsigned int bytes_per_line;
- int ret;
-
- if (fmt->fmt.pix.sizeimage < icd->sizeimage)
- return -EINVAL;
-
- xlate = soc_camera_xlate_by_fourcc(icd,
- fmt->fmt.pix.pixelformat);
- if (!xlate)
- return -EINVAL;
- ret = soc_mbus_bytes_per_line(fmt->fmt.pix.width,
- xlate->host_fmt);
- if (ret < 0)
- return ret;
-
- bytes_per_line = max_t(u32, fmt->fmt.pix.bytesperline, ret);
-
- ret = soc_mbus_image_size(xlate->host_fmt, bytes_per_line,
- fmt->fmt.pix.height);
- if (ret < 0)
- return ret;
-
- sizes[0] = max_t(u32, fmt->fmt.pix.sizeimage, ret);
- } else {
- /* Called from VIDIOC_REQBUFS or in compatibility mode */
- sizes[0] = icd->sizeimage;
- }
-
alloc_ctxs[0] = priv->alloc_ctx;
if (!vq->num_buffers)
@@ -576,14 +548,18 @@ static int rcar_vin_videobuf_setup(struct vb2_queue *vq,
*count = 2;
priv->vb_count = *count;
- *num_planes = 1;
-
/* Number of hardware slots */
if (is_continuous_transfer(priv))
priv->nr_hw_slots = MAX_BUFFER_NUM;
else
priv->nr_hw_slots = 1;
+ if (*num_planes)
+ return sizes[0] < icd->sizeimage ? -EINVAL : 0;
+
+ sizes[0] = icd->sizeimage;
+ *num_planes = 1;
+
dev_dbg(icd->parent, "count=%d, size=%u\n", *count, sizes[0]);
return 0;
@@ -912,7 +888,7 @@ static irqreturn_t rcar_vin_irq(int irq, void *data)
priv->queue_buf[slot]->field = priv->field;
priv->queue_buf[slot]->sequence = priv->sequence++;
- v4l2_get_timestamp(&priv->queue_buf[slot]->timestamp);
+ priv->queue_buf[slot]->vb2_buf.timestamp = ktime_get_ns();
vb2_buffer_done(&priv->queue_buf[slot]->vb2_buf,
VB2_BUF_STATE_DONE);
priv->queue_buf[slot] = NULL;
@@ -1853,63 +1829,43 @@ static const struct of_device_id rcar_vin_of_table[] = {
MODULE_DEVICE_TABLE(of, rcar_vin_of_table);
#endif
-static struct platform_device_id rcar_vin_id_table[] = {
- { "r8a7779-vin", RCAR_H1 },
- { "r8a7778-vin", RCAR_M1 },
- { "uPD35004-vin", RCAR_E1 },
- {},
-};
-MODULE_DEVICE_TABLE(platform, rcar_vin_id_table);
-
static int rcar_vin_probe(struct platform_device *pdev)
{
const struct of_device_id *match = NULL;
struct rcar_vin_priv *priv;
+ struct v4l2_of_endpoint ep;
+ struct device_node *np;
struct resource *mem;
- struct rcar_vin_platform_data *pdata;
unsigned int pdata_flags;
int irq, ret;
- if (pdev->dev.of_node) {
- struct v4l2_of_endpoint ep;
- struct device_node *np;
+ match = of_match_device(of_match_ptr(rcar_vin_of_table), &pdev->dev);
- match = of_match_device(of_match_ptr(rcar_vin_of_table),
- &pdev->dev);
-
- np = of_graph_get_next_endpoint(pdev->dev.of_node, NULL);
- if (!np) {
- dev_err(&pdev->dev, "could not find endpoint\n");
- return -EINVAL;
- }
+ np = of_graph_get_next_endpoint(pdev->dev.of_node, NULL);
+ if (!np) {
+ dev_err(&pdev->dev, "could not find endpoint\n");
+ return -EINVAL;
+ }
- ret = v4l2_of_parse_endpoint(np, &ep);
- if (ret) {
- dev_err(&pdev->dev, "could not parse endpoint\n");
- return ret;
- }
+ ret = v4l2_of_parse_endpoint(np, &ep);
+ if (ret) {
+ dev_err(&pdev->dev, "could not parse endpoint\n");
+ return ret;
+ }
- if (ep.bus_type == V4L2_MBUS_BT656)
- pdata_flags = RCAR_VIN_BT656;
- else {
- pdata_flags = 0;
- if (ep.bus.parallel.flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)
- pdata_flags |= RCAR_VIN_HSYNC_ACTIVE_LOW;
- if (ep.bus.parallel.flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
- pdata_flags |= RCAR_VIN_VSYNC_ACTIVE_LOW;
- }
+ if (ep.bus_type == V4L2_MBUS_BT656)
+ pdata_flags = RCAR_VIN_BT656;
+ else {
+ pdata_flags = 0;
+ if (ep.bus.parallel.flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)
+ pdata_flags |= RCAR_VIN_HSYNC_ACTIVE_LOW;
+ if (ep.bus.parallel.flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
+ pdata_flags |= RCAR_VIN_VSYNC_ACTIVE_LOW;
+ }
- of_node_put(np);
+ of_node_put(np);
- dev_dbg(&pdev->dev, "pdata_flags = %08x\n", pdata_flags);
- } else {
- pdata = pdev->dev.platform_data;
- if (!pdata || !pdata->flags) {
- dev_err(&pdev->dev, "platform data not set\n");
- return -EINVAL;
- }
- pdata_flags = pdata->flags;
- }
+ dev_dbg(&pdev->dev, "pdata_flags = %08x\n", pdata_flags);
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (mem == NULL)
@@ -1992,7 +1948,6 @@ static struct platform_driver rcar_vin_driver = {
.name = DRV_NAME,
.of_match_table = of_match_ptr(rcar_vin_of_table),
},
- .id_table = rcar_vin_id_table,
};
module_platform_driver(rcar_vin_driver);