#include <linux/delay.h>
#include <linux/log2.h>
+#include <media/soc_camera.h>
+#include <media/soc_mediabus.h>
#include <media/v4l2-subdev.h>
#include <media/v4l2-chip-ident.h>
-#include <media/soc_camera.h>
/*
* mt9v022 i2c address 0x48, 0x4c, 0x58, 0x5c
return 0;
}
-static int mt9v022_set_bus_param(struct soc_camera_device *icd,
- unsigned long flags)
-{
- struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd));
- struct mt9v022 *mt9v022 = to_mt9v022(client);
- struct soc_camera_link *icl = to_soc_camera_link(icd);
- unsigned int width_flag = flags & SOCAM_DATAWIDTH_MASK;
- int ret;
- u16 pixclk = 0;
-
- /* Only one width bit may be set */
- if (!is_power_of_2(width_flag))
- return -EINVAL;
-
- if (icl->set_bus_param) {
- ret = icl->set_bus_param(icl, width_flag);
- if (ret)
- return ret;
- } else {
- /*
- * Without board specific bus width settings we only support the
- * sensors native bus width
- */
- if (width_flag != SOCAM_DATAWIDTH_10)
- return -EINVAL;
- }
-
- flags = soc_camera_apply_sensor_flags(icl, flags);
-
- if (flags & SOCAM_PCLK_SAMPLE_FALLING)
- pixclk |= 0x10;
-
- if (!(flags & SOCAM_HSYNC_ACTIVE_HIGH))
- pixclk |= 0x1;
-
- if (!(flags & SOCAM_VSYNC_ACTIVE_HIGH))
- pixclk |= 0x2;
-
- ret = reg_write(client, MT9V022_PIXCLK_FV_LV, pixclk);
- if (ret < 0)
- return ret;
-
- if (!(flags & SOCAM_MASTER))
- mt9v022->chip_control &= ~0x8;
-
- ret = reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control);
- if (ret < 0)
- return ret;
-
- dev_dbg(&client->dev, "Calculated pixclk 0x%x, chip control 0x%x\n",
- pixclk, mt9v022->chip_control);
-
- return 0;
-}
-
-static unsigned long mt9v022_query_bus_param(struct soc_camera_device *icd)
-{
- struct soc_camera_link *icl = to_soc_camera_link(icd);
- unsigned int flags = SOCAM_MASTER | SOCAM_SLAVE |
- SOCAM_PCLK_SAMPLE_RISING | SOCAM_PCLK_SAMPLE_FALLING |
- SOCAM_HSYNC_ACTIVE_HIGH | SOCAM_HSYNC_ACTIVE_LOW |
- SOCAM_VSYNC_ACTIVE_HIGH | SOCAM_VSYNC_ACTIVE_LOW |
- SOCAM_DATA_ACTIVE_HIGH;
-
- if (icl->query_bus_param)
- flags |= icl->query_bus_param(icl) & SOCAM_DATAWIDTH_MASK;
- else
- flags |= SOCAM_DATAWIDTH_10;
-
- return soc_camera_apply_sensor_flags(icl, flags);
-}
-
static int mt9v022_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
};
static struct soc_camera_ops mt9v022_ops = {
- .set_bus_param = mt9v022_set_bus_param,
- .query_bus_param = mt9v022_query_bus_param,
.controls = mt9v022_controls,
.num_controls = ARRAY_SIZE(mt9v022_controls),
};
return 0;
}
+static int mt9v022_g_mbus_config(struct v4l2_subdev *sd,
+ struct v4l2_mbus_config *cfg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct soc_camera_device *icd = client->dev.platform_data;
+ struct soc_camera_link *icl = to_soc_camera_link(icd);
+
+ cfg->flags = V4L2_MBUS_MASTER | V4L2_MBUS_SLAVE |
+ V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_PCLK_SAMPLE_FALLING |
+ V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_LOW |
+ V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_LOW |
+ V4L2_MBUS_DATA_ACTIVE_HIGH;
+ cfg->type = V4L2_MBUS_PARALLEL;
+ cfg->flags = soc_camera_apply_board_flags(icl, cfg);
+
+ return 0;
+}
+
+static int mt9v022_s_mbus_config(struct v4l2_subdev *sd,
+ const struct v4l2_mbus_config *cfg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct soc_camera_device *icd = client->dev.platform_data;
+ struct soc_camera_link *icl = to_soc_camera_link(icd);
+ struct mt9v022 *mt9v022 = to_mt9v022(client);
+ unsigned long flags = soc_camera_apply_board_flags(icl, cfg);
+ /*
+ * Cannot use icd->current_fmt->host_fmt->bits_per_sample, because that
+ * is the number of bits, that the host has to sample, not the number of
+ * bits, that we have to send. See mx3_camera.c for an example of 10-bit
+ * formats being truncated to 8 bits by the host.
+ */
+ unsigned int bps = soc_mbus_get_fmtdesc(icd->current_fmt->code)->bits_per_sample;
+ int ret;
+ u16 pixclk = 0;
+
+ dev_info(icd->pdev, "set %d: %s, %dbps\n", icd->current_fmt->code,
+ icd->current_fmt->host_fmt->name, bps);
+
+ if (icl->set_bus_param) {
+ ret = icl->set_bus_param(icl, 1 << (bps - 1));
+ if (ret)
+ return ret;
+ } else if (bps != 10) {
+ /*
+ * Without board specific bus width settings we only support the
+ * sensors native bus width
+ */
+ return -EINVAL;
+ }
+
+ if (flags & V4L2_MBUS_PCLK_SAMPLE_FALLING)
+ pixclk |= 0x10;
+
+ if (!(flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH))
+ pixclk |= 0x1;
+
+ if (!(flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH))
+ pixclk |= 0x2;
+
+ ret = reg_write(client, MT9V022_PIXCLK_FV_LV, pixclk);
+ if (ret < 0)
+ return ret;
+
+ if (!(flags & V4L2_MBUS_MASTER))
+ mt9v022->chip_control &= ~0x8;
+
+ ret = reg_write(client, MT9V022_CHIP_CONTROL, mt9v022->chip_control);
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(&client->dev, "Calculated pixclk 0x%x, chip control 0x%x\n",
+ pixclk, mt9v022->chip_control);
+
+ return 0;
+}
+
static struct v4l2_subdev_video_ops mt9v022_subdev_video_ops = {
.s_stream = mt9v022_s_stream,
.s_mbus_fmt = mt9v022_s_fmt,
.g_crop = mt9v022_g_crop,
.cropcap = mt9v022_cropcap,
.enum_mbus_fmt = mt9v022_enum_fmt,
+ .g_mbus_config = mt9v022_g_mbus_config,
+ .s_mbus_config = mt9v022_s_mbus_config,
};
static struct v4l2_subdev_sensor_ops mt9v022_subdev_sensor_ops = {
git.openpandora.org / pandora-kernel.git / blobdiff