@@ -859,7 +859,7 @@ config VIDEO_VS6624
config VIDEO_MT9M001
tristate "mt9m001 support"
- depends on SOC_CAMERA && I2C
+ depends on I2C && VIDEO_V4L2
help
This driver supports MT9M001 cameras from Micron, monochrome
and colour models.
@@ -15,15 +15,12 @@
#include <linux/slab.h>
#include <linux/videodev2.h>
-#include <media/drv-intf/soc_mediabus.h>
-#include <media/soc_camera.h>
#include <media/v4l2-ctrls.h>
+#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
/*
* mt9m001 i2c address 0x5d
- * The platform has to define struct i2c_board_info objects and link to them
- * from struct soc_camera_host_desc
*/
/* mt9m001 selected register addresses */
@@ -276,11 +273,15 @@ static int mt9m001_set_selection(struct v4l2_subdev *sd,
rect.width = ALIGN(rect.width, 2);
rect.left = ALIGN(rect.left, 2);
- soc_camera_limit_side(&rect.left, &rect.width,
- MT9M001_COLUMN_SKIP, MT9M001_MIN_WIDTH, MT9M001_MAX_WIDTH);
+ rect.width = clamp_t(u32, rect.width, MT9M001_MIN_WIDTH,
+ MT9M001_MAX_WIDTH);
+ rect.left = clamp_t(u32, rect.left, MT9M001_COLUMN_SKIP,
+ MT9M001_COLUMN_SKIP + MT9M001_MAX_WIDTH - rect.width);
- soc_camera_limit_side(&rect.top, &rect.height,
- MT9M001_ROW_SKIP, MT9M001_MIN_HEIGHT, MT9M001_MAX_HEIGHT);
+ rect.height = clamp_t(u32, rect.height, MT9M001_MIN_HEIGHT,
+ MT9M001_MAX_HEIGHT);
+ rect.top = clamp_t(u32, rect.top, MT9M001_ROW_SKIP,
+ MT9M001_ROW_SKIP + MT9M001_MAX_HEIGHT - rect.width);
mt9m001->total_h = rect.height + mt9m001->y_skip_top +
MT9M001_DEFAULT_VBLANK;
@@ -565,12 +566,10 @@ static int mt9m001_s_ctrl(struct v4l2_ctrl *ctrl)
* Interface active, can use i2c. If it fails, it can indeed mean, that
* this wasn't our capture interface, so, we wait for the right one
*/
-static int mt9m001_video_probe(struct soc_camera_subdev_desc *ssdd,
- struct i2c_client *client)
+static int mt9m001_video_probe(struct i2c_client *client)
{
struct mt9m001 *mt9m001 = to_mt9m001(client);
s32 data;
- unsigned long flags;
int ret;
/* Enable the chip */
@@ -585,9 +584,11 @@ static int mt9m001_video_probe(struct soc_camera_subdev_desc *ssdd,
case 0x8411:
case 0x8421:
mt9m001->fmts = mt9m001_colour_fmts;
+ mt9m001->num_fmts = ARRAY_SIZE(mt9m001_colour_fmts);
break;
case 0x8431:
mt9m001->fmts = mt9m001_monochrome_fmts;
+ mt9m001->num_fmts = ARRAY_SIZE(mt9m001_monochrome_fmts);
break;
default:
dev_err(&client->dev,
@@ -596,26 +597,6 @@ static int mt9m001_video_probe(struct soc_camera_subdev_desc *ssdd,
goto done;
}
- mt9m001->num_fmts = 0;
-
- /*
- * This is a 10bit sensor, so by default we only allow 10bit.
- * The platform may support different bus widths due to
- * different routing of the data lines.
- */
- if (ssdd->query_bus_param)
- flags = ssdd->query_bus_param(ssdd);
- else
- flags = SOCAM_DATAWIDTH_10;
-
- if (flags & SOCAM_DATAWIDTH_10)
- mt9m001->num_fmts++;
- else
- mt9m001->fmts++;
-
- if (flags & SOCAM_DATAWIDTH_8)
- mt9m001->num_fmts++;
-
mt9m001->fmt = &mt9m001->fmts[0];
dev_info(&client->dev, "Detected a MT9M001 chip ID %x (%s)\n", data,
@@ -634,12 +615,6 @@ static int mt9m001_video_probe(struct soc_camera_subdev_desc *ssdd,
return ret;
}
-static void mt9m001_video_remove(struct soc_camera_subdev_desc *ssdd)
-{
- if (ssdd->free_bus)
- ssdd->free_bus(ssdd);
-}
-
static int mt9m001_g_skip_top_lines(struct v4l2_subdev *sd, u32 *lines)
{
struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -679,41 +654,18 @@ static int mt9m001_enum_mbus_code(struct v4l2_subdev *sd,
static int mt9m001_g_mbus_config(struct v4l2_subdev *sd,
struct v4l2_mbus_config *cfg)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
-
/* MT9M001 has all capture_format parameters fixed */
cfg->flags = V4L2_MBUS_PCLK_SAMPLE_FALLING |
V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_HIGH |
V4L2_MBUS_DATA_ACTIVE_HIGH | V4L2_MBUS_MASTER;
cfg->type = V4L2_MBUS_PARALLEL;
- cfg->flags = soc_camera_apply_board_flags(ssdd, cfg);
return 0;
}
-static int mt9m001_s_mbus_config(struct v4l2_subdev *sd,
- const struct v4l2_mbus_config *cfg)
-{
- const struct i2c_client *client = v4l2_get_subdevdata(sd);
- struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
- struct mt9m001 *mt9m001 = to_mt9m001(client);
- unsigned int bps = soc_mbus_get_fmtdesc(mt9m001->fmt->code)->bits_per_sample;
-
- if (ssdd->set_bus_param)
- return ssdd->set_bus_param(ssdd, 1 << (bps - 1));
-
- /*
- * Without board specific bus width settings we only support the
- * sensors native bus width
- */
- return bps == 10 ? 0 : -EINVAL;
-}
-
static const struct v4l2_subdev_video_ops mt9m001_subdev_video_ops = {
.s_stream = mt9m001_s_stream,
.g_mbus_config = mt9m001_g_mbus_config,
- .s_mbus_config = mt9m001_s_mbus_config,
};
static const struct v4l2_subdev_sensor_ops mt9m001_subdev_sensor_ops = {
@@ -740,21 +692,15 @@ static int mt9m001_probe(struct i2c_client *client,
{
struct mt9m001 *mt9m001;
struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
- struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
int ret;
- if (!ssdd) {
- dev_err(&client->dev, "MT9M001 driver needs platform data\n");
- return -EINVAL;
- }
-
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
dev_warn(&adapter->dev,
"I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
return -EIO;
}
- mt9m001 = devm_kzalloc(&client->dev, sizeof(struct mt9m001), GFP_KERNEL);
+ mt9m001 = devm_kzalloc(&client->dev, sizeof(*mt9m001), GFP_KERNEL);
if (!mt9m001)
return -ENOMEM;
@@ -811,7 +757,7 @@ static int mt9m001_probe(struct i2c_client *client,
pm_runtime_set_active(&client->dev);
pm_runtime_enable(&client->dev);
- ret = mt9m001_video_probe(ssdd, client);
+ ret = mt9m001_video_probe(client);
if (ret)
goto error_power_off;
@@ -834,7 +780,6 @@ static int mt9m001_probe(struct i2c_client *client,
static int mt9m001_remove(struct i2c_client *client)
{
struct mt9m001 *mt9m001 = to_mt9m001(client);
- struct soc_camera_subdev_desc *ssdd = soc_camera_i2c_to_desc(client);
v4l2_device_unregister_subdev(&mt9m001->subdev);
pm_runtime_get_sync(&client->dev);
@@ -845,7 +790,6 @@ static int mt9m001_remove(struct i2c_client *client)
mt9m001_power_off(&client->dev);
v4l2_ctrl_handler_free(&mt9m001->hdl);
- mt9m001_video_remove(ssdd);
mutex_destroy(&mt9m001->mutex);
return 0;
Remove remaining soc_camera specific code and drop soc_camera dependency from this driver. Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Cc: Sakari Ailus <sakari.ailus@linux.intel.com> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> --- * No changes from v1 drivers/media/i2c/Kconfig | 2 +- drivers/media/i2c/mt9m001.c | 84 ++++++++------------------------------------- 2 files changed, 15 insertions(+), 71 deletions(-)