The smiapp_probe() is the sole caller of smiapp_init(). Unify the two.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
drivers/media/i2c/smiapp/smiapp-core.c | 425 ++++++++++++++++-----------------
1 file changed, 205 insertions(+), 220 deletions(-)
diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index 13322f3..0b5671c 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2605,224 +2605,6 @@ static void smiapp_create_subdev(struct smiapp_sensor *sensor,
v4l2_set_subdevdata(&ssd->sd, client);
}
-static int smiapp_init(struct smiapp_sensor *sensor)
-{
- struct i2c_client *client = v4l2_get_subdevdata(&sensor->src->sd);
- struct smiapp_pll *pll = &sensor->pll;
- unsigned int i;
- int rval;
-
- sensor->vana = devm_regulator_get(&client->dev, "vana");
- if (IS_ERR(sensor->vana)) {
- dev_err(&client->dev, "could not get regulator for vana\n");
- return PTR_ERR(sensor->vana);
- }
-
- sensor->ext_clk = devm_clk_get(&client->dev, NULL);
- if (IS_ERR(sensor->ext_clk)) {
- dev_err(&client->dev, "could not get clock (%ld)\n",
- PTR_ERR(sensor->ext_clk));
- return -EPROBE_DEFER;
- }
-
- rval = clk_set_rate(sensor->ext_clk,
- sensor->hwcfg->ext_clk);
- if (rval < 0) {
- dev_err(&client->dev,
- "unable to set clock freq to %u\n",
- sensor->hwcfg->ext_clk);
- return rval;
- }
-
- sensor->xshutdown = devm_gpiod_get_optional(&client->dev, "xshutdown",
- GPIOD_OUT_LOW);
- if (IS_ERR(sensor->xshutdown))
- return PTR_ERR(sensor->xshutdown);
-
- rval = smiapp_power_on(sensor);
- if (rval)
- return -ENODEV;
-
- rval = smiapp_identify_module(sensor);
- if (rval) {
- rval = -ENODEV;
- goto out_power_off;
- }
-
- rval = smiapp_get_all_limits(sensor);
- if (rval) {
- rval = -ENODEV;
- goto out_power_off;
- }
-
- /*
- * Handle Sensor Module orientation on the board.
- *
- * The application of H-FLIP and V-FLIP on the sensor is modified by
- * the sensor orientation on the board.
- *
- * For SMIAPP_BOARD_SENSOR_ORIENT_180 the default behaviour is to set
- * both H-FLIP and V-FLIP for normal operation which also implies
- * that a set/unset operation for user space HFLIP and VFLIP v4l2
- * controls will need to be internally inverted.
- *
- * Rotation also changes the bayer pattern.
- */
- if (sensor->hwcfg->module_board_orient ==
- SMIAPP_MODULE_BOARD_ORIENT_180)
- sensor->hvflip_inv_mask = SMIAPP_IMAGE_ORIENTATION_HFLIP |
- SMIAPP_IMAGE_ORIENTATION_VFLIP;
-
- rval = smiapp_call_quirk(sensor, limits);
- if (rval) {
- dev_err(&client->dev, "limits quirks failed\n");
- goto out_power_off;
- }
-
- if (sensor->limits[SMIAPP_LIMIT_BINNING_CAPABILITY]) {
- u32 val;
-
- rval = smiapp_read(sensor,
- SMIAPP_REG_U8_BINNING_SUBTYPES, &val);
- if (rval < 0) {
- rval = -ENODEV;
- goto out_power_off;
- }
- sensor->nbinning_subtypes = min_t(u8, val,
- SMIAPP_BINNING_SUBTYPES);
-
- for (i = 0; i < sensor->nbinning_subtypes; i++) {
- rval = smiapp_read(
- sensor, SMIAPP_REG_U8_BINNING_TYPE_n(i), &val);
- if (rval < 0) {
- rval = -ENODEV;
- goto out_power_off;
- }
- sensor->binning_subtypes[i] =
- *(struct smiapp_binning_subtype *)&val;
-
- dev_dbg(&client->dev, "binning %xx%x\n",
- sensor->binning_subtypes[i].horizontal,
- sensor->binning_subtypes[i].vertical);
- }
- }
- sensor->binning_horizontal = 1;
- sensor->binning_vertical = 1;
-
- if (device_create_file(&client->dev, &dev_attr_ident) != 0) {
- dev_err(&client->dev, "sysfs ident entry creation failed\n");
- rval = -ENOENT;
- goto out_power_off;
- }
- /* SMIA++ NVM initialization - it will be read from the sensor
- * when it is first requested by userspace.
- */
- if (sensor->minfo.smiapp_version && sensor->hwcfg->nvm_size) {
- sensor->nvm = devm_kzalloc(&client->dev,
- sensor->hwcfg->nvm_size, GFP_KERNEL);
- if (sensor->nvm == NULL) {
- dev_err(&client->dev, "nvm buf allocation failed\n");
- rval = -ENOMEM;
- goto out_cleanup;
- }
-
- if (device_create_file(&client->dev, &dev_attr_nvm) != 0) {
- dev_err(&client->dev, "sysfs nvm entry failed\n");
- rval = -EBUSY;
- goto out_cleanup;
- }
- }
-
- /* We consider this as profile 0 sensor if any of these are zero. */
- if (!sensor->limits[SMIAPP_LIMIT_MIN_OP_SYS_CLK_DIV] ||
- !sensor->limits[SMIAPP_LIMIT_MAX_OP_SYS_CLK_DIV] ||
- !sensor->limits[SMIAPP_LIMIT_MIN_OP_PIX_CLK_DIV] ||
- !sensor->limits[SMIAPP_LIMIT_MAX_OP_PIX_CLK_DIV]) {
- sensor->minfo.smiapp_profile = SMIAPP_PROFILE_0;
- } else if (sensor->limits[SMIAPP_LIMIT_SCALING_CAPABILITY]
- != SMIAPP_SCALING_CAPABILITY_NONE) {
- if (sensor->limits[SMIAPP_LIMIT_SCALING_CAPABILITY]
- == SMIAPP_SCALING_CAPABILITY_HORIZONTAL)
- sensor->minfo.smiapp_profile = SMIAPP_PROFILE_1;
- else
- sensor->minfo.smiapp_profile = SMIAPP_PROFILE_2;
- sensor->scaler = &sensor->ssds[sensor->ssds_used];
- sensor->ssds_used++;
- } else if (sensor->limits[SMIAPP_LIMIT_DIGITAL_CROP_CAPABILITY]
- == SMIAPP_DIGITAL_CROP_CAPABILITY_INPUT_CROP) {
- sensor->scaler = &sensor->ssds[sensor->ssds_used];
- sensor->ssds_used++;
- }
- sensor->binner = &sensor->ssds[sensor->ssds_used];
- sensor->ssds_used++;
- sensor->pixel_array = &sensor->ssds[sensor->ssds_used];
- sensor->ssds_used++;
-
- sensor->scale_m = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
-
- /* prepare PLL configuration input values */
- pll->bus_type = SMIAPP_PLL_BUS_TYPE_CSI2;
- pll->csi2.lanes = sensor->hwcfg->lanes;
- pll->ext_clk_freq_hz = sensor->hwcfg->ext_clk;
- pll->scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
- /* Profile 0 sensors have no separate OP clock branch. */
- if (sensor->minfo.smiapp_profile == SMIAPP_PROFILE_0)
- pll->flags |= SMIAPP_PLL_FLAG_NO_OP_CLOCKS;
-
- if (sensor->scaler)
- smiapp_create_subdev(sensor, sensor->scaler, "scaler", 2);
- smiapp_create_subdev(sensor, sensor->binner, "binner", 2);
- smiapp_create_subdev(sensor, sensor->pixel_array, "pixel_array", 1);
-
- dev_dbg(&client->dev, "profile %d\n", sensor->minfo.smiapp_profile);
-
- sensor->pixel_array->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
-
- /* final steps */
- smiapp_read_frame_fmt(sensor);
- rval = smiapp_init_controls(sensor);
- if (rval < 0)
- goto out_cleanup;
-
- rval = smiapp_call_quirk(sensor, init);
- if (rval)
- goto out_cleanup;
-
- rval = smiapp_get_mbus_formats(sensor);
- if (rval) {
- rval = -ENODEV;
- goto out_cleanup;
- }
-
- rval = smiapp_init_late_controls(sensor);
- if (rval) {
- rval = -ENODEV;
- goto out_cleanup;
- }
-
- mutex_lock(&sensor->mutex);
- rval = smiapp_update_mode(sensor);
- mutex_unlock(&sensor->mutex);
- if (rval) {
- dev_err(&client->dev, "update mode failed\n");
- goto out_cleanup;
- }
-
- sensor->streaming = false;
- sensor->dev_init_done = true;
-
- smiapp_power_off(sensor);
-
- return 0;
-
-out_cleanup:
- smiapp_cleanup(sensor);
-
-out_power_off:
- smiapp_power_off(sensor);
- return rval;
-}
-
static int smiapp_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct smiapp_subdev *ssd = to_smiapp_subdev(sd);
@@ -3044,6 +2826,7 @@ static int smiapp_probe(struct i2c_client *client,
{
struct smiapp_sensor *sensor;
struct smiapp_hwconfig *hwcfg = smiapp_get_hwconfig(&client->dev);
+ unsigned int i;
int rval;
if (hwcfg == NULL)
@@ -3064,9 +2847,206 @@ static int smiapp_probe(struct i2c_client *client,
sensor->src->sensor = sensor;
sensor->src->pads[0].flags = MEDIA_PAD_FL_SOURCE;
- rval = smiapp_init(sensor);
+ sensor->vana = devm_regulator_get(&client->dev, "vana");
+ if (IS_ERR(sensor->vana)) {
+ dev_err(&client->dev, "could not get regulator for vana\n");
+ return PTR_ERR(sensor->vana);
+ }
+
+ sensor->ext_clk = devm_clk_get(&client->dev, NULL);
+ if (IS_ERR(sensor->ext_clk)) {
+ dev_err(&client->dev, "could not get clock (%ld)\n",
+ PTR_ERR(sensor->ext_clk));
+ return -EPROBE_DEFER;
+ }
+
+ rval = clk_set_rate(sensor->ext_clk,
+ sensor->hwcfg->ext_clk);
+ if (rval < 0) {
+ dev_err(&client->dev,
+ "unable to set clock freq to %u\n",
+ sensor->hwcfg->ext_clk);
+ return rval;
+ }
+
+ sensor->xshutdown = devm_gpiod_get_optional(&client->dev, "xshutdown",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(sensor->xshutdown))
+ return PTR_ERR(sensor->xshutdown);
+
+ rval = smiapp_power_on(sensor);
if (rval)
- goto out_media_entity_cleanup;
+ return -ENODEV;
+
+ rval = smiapp_identify_module(sensor);
+ if (rval) {
+ rval = -ENODEV;
+ goto out_power_off;
+ }
+
+ rval = smiapp_get_all_limits(sensor);
+ if (rval) {
+ rval = -ENODEV;
+ goto out_power_off;
+ }
+
+ /*
+ * Handle Sensor Module orientation on the board.
+ *
+ * The application of H-FLIP and V-FLIP on the sensor is modified by
+ * the sensor orientation on the board.
+ *
+ * For SMIAPP_BOARD_SENSOR_ORIENT_180 the default behaviour is to set
+ * both H-FLIP and V-FLIP for normal operation which also implies
+ * that a set/unset operation for user space HFLIP and VFLIP v4l2
+ * controls will need to be internally inverted.
+ *
+ * Rotation also changes the bayer pattern.
+ */
+ if (sensor->hwcfg->module_board_orient ==
+ SMIAPP_MODULE_BOARD_ORIENT_180)
+ sensor->hvflip_inv_mask = SMIAPP_IMAGE_ORIENTATION_HFLIP |
+ SMIAPP_IMAGE_ORIENTATION_VFLIP;
+
+ rval = smiapp_call_quirk(sensor, limits);
+ if (rval) {
+ dev_err(&client->dev, "limits quirks failed\n");
+ goto out_power_off;
+ }
+
+ if (sensor->limits[SMIAPP_LIMIT_BINNING_CAPABILITY]) {
+ u32 val;
+
+ rval = smiapp_read(sensor,
+ SMIAPP_REG_U8_BINNING_SUBTYPES, &val);
+ if (rval < 0) {
+ rval = -ENODEV;
+ goto out_power_off;
+ }
+ sensor->nbinning_subtypes = min_t(u8, val,
+ SMIAPP_BINNING_SUBTYPES);
+
+ for (i = 0; i < sensor->nbinning_subtypes; i++) {
+ rval = smiapp_read(
+ sensor, SMIAPP_REG_U8_BINNING_TYPE_n(i), &val);
+ if (rval < 0) {
+ rval = -ENODEV;
+ goto out_power_off;
+ }
+ sensor->binning_subtypes[i] =
+ *(struct smiapp_binning_subtype *)&val;
+
+ dev_dbg(&client->dev, "binning %xx%x\n",
+ sensor->binning_subtypes[i].horizontal,
+ sensor->binning_subtypes[i].vertical);
+ }
+ }
+ sensor->binning_horizontal = 1;
+ sensor->binning_vertical = 1;
+
+ if (device_create_file(&client->dev, &dev_attr_ident) != 0) {
+ dev_err(&client->dev, "sysfs ident entry creation failed\n");
+ rval = -ENOENT;
+ goto out_power_off;
+ }
+ /* SMIA++ NVM initialization - it will be read from the sensor
+ * when it is first requested by userspace.
+ */
+ if (sensor->minfo.smiapp_version && sensor->hwcfg->nvm_size) {
+ sensor->nvm = devm_kzalloc(&client->dev,
+ sensor->hwcfg->nvm_size, GFP_KERNEL);
+ if (sensor->nvm == NULL) {
+ dev_err(&client->dev, "nvm buf allocation failed\n");
+ rval = -ENOMEM;
+ goto out_cleanup;
+ }
+
+ if (device_create_file(&client->dev, &dev_attr_nvm) != 0) {
+ dev_err(&client->dev, "sysfs nvm entry failed\n");
+ rval = -EBUSY;
+ goto out_cleanup;
+ }
+ }
+
+ /* We consider this as profile 0 sensor if any of these are zero. */
+ if (!sensor->limits[SMIAPP_LIMIT_MIN_OP_SYS_CLK_DIV] ||
+ !sensor->limits[SMIAPP_LIMIT_MAX_OP_SYS_CLK_DIV] ||
+ !sensor->limits[SMIAPP_LIMIT_MIN_OP_PIX_CLK_DIV] ||
+ !sensor->limits[SMIAPP_LIMIT_MAX_OP_PIX_CLK_DIV]) {
+ sensor->minfo.smiapp_profile = SMIAPP_PROFILE_0;
+ } else if (sensor->limits[SMIAPP_LIMIT_SCALING_CAPABILITY]
+ != SMIAPP_SCALING_CAPABILITY_NONE) {
+ if (sensor->limits[SMIAPP_LIMIT_SCALING_CAPABILITY]
+ == SMIAPP_SCALING_CAPABILITY_HORIZONTAL)
+ sensor->minfo.smiapp_profile = SMIAPP_PROFILE_1;
+ else
+ sensor->minfo.smiapp_profile = SMIAPP_PROFILE_2;
+ sensor->scaler = &sensor->ssds[sensor->ssds_used];
+ sensor->ssds_used++;
+ } else if (sensor->limits[SMIAPP_LIMIT_DIGITAL_CROP_CAPABILITY]
+ == SMIAPP_DIGITAL_CROP_CAPABILITY_INPUT_CROP) {
+ sensor->scaler = &sensor->ssds[sensor->ssds_used];
+ sensor->ssds_used++;
+ }
+ sensor->binner = &sensor->ssds[sensor->ssds_used];
+ sensor->ssds_used++;
+ sensor->pixel_array = &sensor->ssds[sensor->ssds_used];
+ sensor->ssds_used++;
+
+ sensor->scale_m = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
+
+ /* prepare PLL configuration input values */
+ sensor->pll.bus_type = SMIAPP_PLL_BUS_TYPE_CSI2;
+ sensor->pll.csi2.lanes = sensor->hwcfg->lanes;
+ sensor->pll.ext_clk_freq_hz = sensor->hwcfg->ext_clk;
+ sensor->pll.scale_n = sensor->limits[SMIAPP_LIMIT_SCALER_N_MIN];
+ /* Profile 0 sensors have no separate OP clock branch. */
+ if (sensor->minfo.smiapp_profile == SMIAPP_PROFILE_0)
+ sensor->pll.flags |= SMIAPP_PLL_FLAG_NO_OP_CLOCKS;
+
+ if (sensor->scaler)
+ smiapp_create_subdev(sensor, sensor->scaler, "scaler", 2);
+ smiapp_create_subdev(sensor, sensor->binner, "binner", 2);
+ smiapp_create_subdev(sensor, sensor->pixel_array, "pixel_array", 1);
+
+ dev_dbg(&client->dev, "profile %d\n", sensor->minfo.smiapp_profile);
+
+ sensor->pixel_array->sd.entity.function = MEDIA_ENT_F_CAM_SENSOR;
+
+ /* final steps */
+ smiapp_read_frame_fmt(sensor);
+ rval = smiapp_init_controls(sensor);
+ if (rval < 0)
+ goto out_cleanup;
+
+ rval = smiapp_call_quirk(sensor, init);
+ if (rval)
+ goto out_cleanup;
+
+ rval = smiapp_get_mbus_formats(sensor);
+ if (rval) {
+ rval = -ENODEV;
+ goto out_cleanup;
+ }
+
+ rval = smiapp_init_late_controls(sensor);
+ if (rval) {
+ rval = -ENODEV;
+ goto out_cleanup;
+ }
+
+ mutex_lock(&sensor->mutex);
+ rval = smiapp_update_mode(sensor);
+ mutex_unlock(&sensor->mutex);
+ if (rval) {
+ dev_err(&client->dev, "update mode failed\n");
+ goto out_cleanup;
+ }
+
+ sensor->streaming = false;
+ sensor->dev_init_done = true;
+
+ smiapp_power_off(sensor);
rval = media_entity_pads_init(&sensor->src->sd.entity, 2,
sensor->src->pads);
@@ -3082,6 +3062,11 @@ static int smiapp_probe(struct i2c_client *client,
out_media_entity_cleanup:
media_entity_cleanup(&sensor->src->sd.entity);
+out_cleanup:
+ smiapp_cleanup(sensor);
+
+out_power_off:
+ smiapp_power_off(sensor);
return rval;
}
--
2.1.4
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