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path: root/drivers/media/i2c/s5c73m3/s5c73m3-core.c
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Diffstat (limited to 'drivers/media/i2c/s5c73m3/s5c73m3-core.c')
-rw-r--r--drivers/media/i2c/s5c73m3/s5c73m3-core.c101
1 files changed, 59 insertions, 42 deletions
diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
index ed5b10731a14..ab31ee2b596b 100644
--- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
@@ -819,7 +819,6 @@ static void s5c73m3_oif_try_format(struct s5c73m3 *state,
struct v4l2_subdev_format *fmt,
const struct s5c73m3_frame_size **fs)
{
- struct v4l2_subdev *sd = &state->sensor_sd;
u32 code;
switch (fmt->pad) {
@@ -841,10 +840,8 @@ static void s5c73m3_oif_try_format(struct s5c73m3 *state,
if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE)
*fs = state->oif_pix_size[RES_ISP];
else
- *fs = s5c73m3_find_frame_size(
- v4l2_subdev_get_try_format(sd, sd_state,
- OIF_ISP_PAD),
- RES_ISP);
+ *fs = s5c73m3_find_frame_size(v4l2_subdev_state_get_format(sd_state, OIF_ISP_PAD),
+ RES_ISP);
break;
}
@@ -869,11 +866,19 @@ static void s5c73m3_try_format(struct s5c73m3 *state,
s5c73m3_fill_mbus_fmt(&fmt->format, *fs, code);
}
-static int s5c73m3_oif_g_frame_interval(struct v4l2_subdev *sd,
- struct v4l2_subdev_frame_interval *fi)
+static int s5c73m3_oif_get_frame_interval(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_frame_interval *fi)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
+ /*
+ * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2
+ * subdev active state API.
+ */
+ if (fi->which != V4L2_SUBDEV_FORMAT_ACTIVE)
+ return -EINVAL;
+
if (fi->pad != OIF_SOURCE_PAD)
return -EINVAL;
@@ -918,12 +923,20 @@ static int __s5c73m3_set_frame_interval(struct s5c73m3 *state,
return 0;
}
-static int s5c73m3_oif_s_frame_interval(struct v4l2_subdev *sd,
- struct v4l2_subdev_frame_interval *fi)
+static int s5c73m3_oif_set_frame_interval(struct v4l2_subdev *sd,
+ struct v4l2_subdev_state *sd_state,
+ struct v4l2_subdev_frame_interval *fi)
{
struct s5c73m3 *state = oif_sd_to_s5c73m3(sd);
int ret;
+ /*
+ * FIXME: Implement support for V4L2_SUBDEV_FORMAT_TRY, using the V4L2
+ * subdev active state API.
+ */
+ if (fi->which != V4L2_SUBDEV_FORMAT_ACTIVE)
+ return -EINVAL;
+
if (fi->pad != OIF_SOURCE_PAD)
return -EINVAL;
@@ -990,8 +1003,8 @@ static int s5c73m3_get_fmt(struct v4l2_subdev *sd,
u32 code;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
- fmt->format = *v4l2_subdev_get_try_format(sd, sd_state,
- fmt->pad);
+ fmt->format = *v4l2_subdev_state_get_format(sd_state,
+ fmt->pad);
return 0;
}
@@ -1025,8 +1038,8 @@ static int s5c73m3_oif_get_fmt(struct v4l2_subdev *sd,
u32 code;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
- fmt->format = *v4l2_subdev_get_try_format(sd, sd_state,
- fmt->pad);
+ fmt->format = *v4l2_subdev_state_get_format(sd_state,
+ fmt->pad);
return 0;
}
@@ -1069,7 +1082,7 @@ static int s5c73m3_set_fmt(struct v4l2_subdev *sd,
s5c73m3_try_format(state, sd_state, fmt, &frame_size);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
- mf = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
+ mf = v4l2_subdev_state_get_format(sd_state, fmt->pad);
*mf = fmt->format;
} else {
switch (fmt->pad) {
@@ -1108,11 +1121,11 @@ static int s5c73m3_oif_set_fmt(struct v4l2_subdev *sd,
s5c73m3_oif_try_format(state, sd_state, fmt, &frame_size);
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
- mf = v4l2_subdev_get_try_format(sd, sd_state, fmt->pad);
+ mf = v4l2_subdev_state_get_format(sd_state, fmt->pad);
*mf = fmt->format;
if (fmt->pad == OIF_ISP_PAD) {
- mf = v4l2_subdev_get_try_format(sd, sd_state,
- OIF_SOURCE_PAD);
+ mf = v4l2_subdev_state_get_format(sd_state,
+ OIF_SOURCE_PAD);
mf->width = fmt->format.width;
mf->height = fmt->format.height;
}
@@ -1260,8 +1273,8 @@ static int s5c73m3_oif_enum_frame_size(struct v4l2_subdev *sd,
if (fse->which == V4L2_SUBDEV_FORMAT_TRY) {
struct v4l2_mbus_framefmt *mf;
- mf = v4l2_subdev_get_try_format(sd, sd_state,
- OIF_ISP_PAD);
+ mf = v4l2_subdev_state_get_format(sd_state,
+ OIF_ISP_PAD);
w = mf->width;
h = mf->height;
@@ -1316,11 +1329,11 @@ static int s5c73m3_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct v4l2_mbus_framefmt *mf;
- mf = v4l2_subdev_get_try_format(sd, fh->state, S5C73M3_ISP_PAD);
+ mf = v4l2_subdev_state_get_format(fh->state, S5C73M3_ISP_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_isp_resolutions[1],
S5C73M3_ISP_FMT);
- mf = v4l2_subdev_get_try_format(sd, fh->state, S5C73M3_JPEG_PAD);
+ mf = v4l2_subdev_state_get_format(fh->state, S5C73M3_JPEG_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_jpeg_resolutions[1],
S5C73M3_JPEG_FMT);
@@ -1331,15 +1344,15 @@ static int s5c73m3_oif_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
{
struct v4l2_mbus_framefmt *mf;
- mf = v4l2_subdev_get_try_format(sd, fh->state, OIF_ISP_PAD);
+ mf = v4l2_subdev_state_get_format(fh->state, OIF_ISP_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_isp_resolutions[1],
S5C73M3_ISP_FMT);
- mf = v4l2_subdev_get_try_format(sd, fh->state, OIF_JPEG_PAD);
+ mf = v4l2_subdev_state_get_format(fh->state, OIF_JPEG_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_jpeg_resolutions[1],
S5C73M3_JPEG_FMT);
- mf = v4l2_subdev_get_try_format(sd, fh->state, OIF_SOURCE_PAD);
+ mf = v4l2_subdev_state_get_format(fh->state, OIF_SOURCE_PAD);
s5c73m3_fill_mbus_fmt(mf, &s5c73m3_isp_resolutions[1],
S5C73M3_ISP_FMT);
return 0;
@@ -1355,10 +1368,6 @@ static int __s5c73m3_power_on(struct s5c73m3 *state)
goto err_reg_dis;
}
- ret = clk_set_rate(state->clock, state->mclk_frequency);
- if (ret < 0)
- goto err_reg_dis;
-
ret = clk_prepare_enable(state->clock);
if (ret < 0)
goto err_reg_dis;
@@ -1379,6 +1388,16 @@ err_reg_dis:
return ret;
}
+/*
+ * This function has been created just to avoid a smatch warning,
+ * please do not merge into __s5c73m3_power_off() until you have
+ * confirmed that it does not introduce a new warning.
+ */
+static void s5c73m3_enable_clk(struct s5c73m3 *state)
+{
+ clk_prepare_enable(state->clock);
+}
+
static int __s5c73m3_power_off(struct s5c73m3 *state)
{
int i, ret;
@@ -1408,7 +1427,8 @@ err:
state->supplies[i].supply, r);
}
- clk_prepare_enable(state->clock);
+ s5c73m3_enable_clk(state);
+
return ret;
}
@@ -1500,6 +1520,8 @@ static const struct v4l2_subdev_pad_ops s5c73m3_oif_pad_ops = {
.enum_frame_interval = s5c73m3_oif_enum_frame_interval,
.get_fmt = s5c73m3_oif_get_fmt,
.set_fmt = s5c73m3_oif_set_fmt,
+ .get_frame_interval = s5c73m3_oif_get_frame_interval,
+ .set_frame_interval = s5c73m3_oif_set_frame_interval,
.get_frame_desc = s5c73m3_oif_get_frame_desc,
.set_frame_desc = s5c73m3_oif_set_frame_desc,
};
@@ -1511,8 +1533,6 @@ static const struct v4l2_subdev_core_ops s5c73m3_oif_core_ops = {
static const struct v4l2_subdev_video_ops s5c73m3_oif_video_ops = {
.s_stream = s5c73m3_oif_s_stream,
- .g_frame_interval = s5c73m3_oif_g_frame_interval,
- .s_frame_interval = s5c73m3_oif_s_frame_interval,
};
static const struct v4l2_subdev_ops oif_subdev_ops = {
@@ -1532,16 +1552,13 @@ static int s5c73m3_get_dt_data(struct s5c73m3 *state)
if (!node)
return -EINVAL;
- state->clock = devm_clk_get(dev, S5C73M3_CLK_NAME);
+ state->clock = devm_v4l2_sensor_clk_get_legacy(dev, S5C73M3_CLK_NAME,
+ false,
+ S5C73M3_DEFAULT_MCLK_FREQ);
if (IS_ERR(state->clock))
- return PTR_ERR(state->clock);
-
- if (of_property_read_u32(node, "clock-frequency",
- &state->mclk_frequency)) {
- state->mclk_frequency = S5C73M3_DEFAULT_MCLK_FREQ;
- dev_info(dev, "using default %u Hz clock frequency\n",
- state->mclk_frequency);
- }
+ return dev_err_probe(dev, PTR_ERR(state->clock),
+ "Failed to get the clock %s\n",
+ S5C73M3_CLK_NAME);
/* Request GPIO lines asserted */
state->stby = devm_gpiod_get(dev, "standby", GPIOD_OUT_HIGH);
@@ -1555,7 +1572,7 @@ static int s5c73m3_get_dt_data(struct s5c73m3 *state)
"failed to request gpio S5C73M3_RST\n");
gpiod_set_consumer_name(state->reset, "S5C73M3_RST");
- node_ep = of_graph_get_next_endpoint(node, NULL);
+ node_ep = of_graph_get_endpoint_by_regs(node, 0, -1);
if (!node_ep) {
dev_warn(dev, "no endpoint defined for node: %pOF\n", node);
return 0;
@@ -1711,7 +1728,7 @@ static void s5c73m3_remove(struct i2c_client *client)
}
static const struct i2c_device_id s5c73m3_id[] = {
- { DRIVER_NAME, 0 },
+ { DRIVER_NAME },
{ }
};
MODULE_DEVICE_TABLE(i2c, s5c73m3_id);
generated by cgit (git 2.34.1) at 2025-12-27 08:21:11 +0000