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path: root/drivers/media/video/vpx3220.c
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Diffstat (limited to 'drivers/media/video/vpx3220.c')
-rw-r--r--drivers/media/video/vpx3220.c139
1 files changed, 52 insertions, 87 deletions
diff --git a/drivers/media/video/vpx3220.c b/drivers/media/video/vpx3220.c
index 91a01b3cdf8c..ca372eb911d0 100644
--- a/drivers/media/video/vpx3220.c
+++ b/drivers/media/video/vpx3220.c
@@ -28,6 +28,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-ctrls.h>
MODULE_DESCRIPTION("vpx3220a/vpx3216b/vpx3214c video decoder driver");
MODULE_AUTHOR("Laurent Pinchart");
@@ -44,16 +45,13 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
struct vpx3220 {
struct v4l2_subdev sd;
+ struct v4l2_ctrl_handler hdl;
unsigned char reg[255];
v4l2_std_id norm;
int ident;
int input;
int enable;
- int bright;
- int contrast;
- int hue;
- int sat;
};
static inline struct vpx3220 *to_vpx3220(struct v4l2_subdev *sd)
@@ -61,6 +59,11 @@ static inline struct vpx3220 *to_vpx3220(struct v4l2_subdev *sd)
return container_of(sd, struct vpx3220, sd);
}
+static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
+{
+ return &container_of(ctrl->handler, struct vpx3220, hdl)->sd;
+}
+
static char *inputs[] = { "internal", "composite", "svideo" };
/* ----------------------------------------------------------------------- */
@@ -351,7 +354,7 @@ static int vpx3220_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
/* Here we back up the input selection because it gets
overwritten when we fill the registers with the
- choosen video norm */
+ chosen video norm */
temp_input = vpx3220_fp_read(sd, 0xf2);
v4l2_dbg(1, debug, sd, "s_std %llx\n", (unsigned long long)std);
@@ -417,88 +420,26 @@ static int vpx3220_s_stream(struct v4l2_subdev *sd, int enable)
return 0;
}
-static int vpx3220_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
-{
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
- break;
-
- case V4L2_CID_CONTRAST:
- v4l2_ctrl_query_fill(qc, 0, 63, 1, 32);
- break;
-
- case V4L2_CID_SATURATION:
- v4l2_ctrl_query_fill(qc, 0, 4095, 1, 2048);
- break;
-
- case V4L2_CID_HUE:
- v4l2_ctrl_query_fill(qc, -512, 511, 1, 0);
- break;
-
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int vpx3220_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+static int vpx3220_s_ctrl(struct v4l2_ctrl *ctrl)
{
- struct vpx3220 *decoder = to_vpx3220(sd);
+ struct v4l2_subdev *sd = to_sd(ctrl);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
- ctrl->value = decoder->bright;
- break;
+ vpx3220_write(sd, 0xe6, ctrl->val);
+ return 0;
case V4L2_CID_CONTRAST:
- ctrl->value = decoder->contrast;
- break;
+ /* Bit 7 and 8 is for noise shaping */
+ vpx3220_write(sd, 0xe7, ctrl->val + 192);
+ return 0;
case V4L2_CID_SATURATION:
- ctrl->value = decoder->sat;
- break;
+ vpx3220_fp_write(sd, 0xa0, ctrl->val);
+ return 0;
case V4L2_CID_HUE:
- ctrl->value = decoder->hue;
- break;
- default:
- return -EINVAL;
+ vpx3220_fp_write(sd, 0x1c, ctrl->val);
+ return 0;
}
- return 0;
-}
-
-static int vpx3220_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct vpx3220 *decoder = to_vpx3220(sd);
-
- switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- if (decoder->bright != ctrl->value) {
- decoder->bright = ctrl->value;
- vpx3220_write(sd, 0xe6, decoder->bright);
- }
- break;
- case V4L2_CID_CONTRAST:
- if (decoder->contrast != ctrl->value) {
- /* Bit 7 and 8 is for noise shaping */
- decoder->contrast = ctrl->value;
- vpx3220_write(sd, 0xe7, decoder->contrast + 192);
- }
- break;
- case V4L2_CID_SATURATION:
- if (decoder->sat != ctrl->value) {
- decoder->sat = ctrl->value;
- vpx3220_fp_write(sd, 0xa0, decoder->sat);
- }
- break;
- case V4L2_CID_HUE:
- if (decoder->hue != ctrl->value) {
- decoder->hue = ctrl->value;
- vpx3220_fp_write(sd, 0x1c, decoder->hue);
- }
- break;
- default:
- return -EINVAL;
- }
- return 0;
+ return -EINVAL;
}
static int vpx3220_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ident *chip)
@@ -511,12 +452,20 @@ static int vpx3220_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_dbg_chip_ide
/* ----------------------------------------------------------------------- */
+static const struct v4l2_ctrl_ops vpx3220_ctrl_ops = {
+ .s_ctrl = vpx3220_s_ctrl,
+};
+
static const struct v4l2_subdev_core_ops vpx3220_core_ops = {
.g_chip_ident = vpx3220_g_chip_ident,
.init = vpx3220_init,
- .g_ctrl = vpx3220_g_ctrl,
- .s_ctrl = vpx3220_s_ctrl,
- .queryctrl = vpx3220_queryctrl,
+ .g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
+ .try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
+ .s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
+ .g_ctrl = v4l2_subdev_g_ctrl,
+ .s_ctrl = v4l2_subdev_s_ctrl,
+ .queryctrl = v4l2_subdev_queryctrl,
+ .querymenu = v4l2_subdev_querymenu,
.s_std = vpx3220_s_std,
};
@@ -558,10 +507,24 @@ static int vpx3220_probe(struct i2c_client *client,
decoder->norm = V4L2_STD_PAL;
decoder->input = 0;
decoder->enable = 1;
- decoder->bright = 32768;
- decoder->contrast = 32768;
- decoder->hue = 32768;
- decoder->sat = 32768;
+ v4l2_ctrl_handler_init(&decoder->hdl, 4);
+ v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, -128, 127, 1, 0);
+ v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 63, 1, 32);
+ v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 4095, 1, 2048);
+ v4l2_ctrl_new_std(&decoder->hdl, &vpx3220_ctrl_ops,
+ V4L2_CID_HUE, -512, 511, 1, 0);
+ sd->ctrl_handler = &decoder->hdl;
+ if (decoder->hdl.error) {
+ int err = decoder->hdl.error;
+
+ v4l2_ctrl_handler_free(&decoder->hdl);
+ kfree(decoder);
+ return err;
+ }
+ v4l2_ctrl_handler_setup(&decoder->hdl);
ver = i2c_smbus_read_byte_data(client, 0x00);
pn = (i2c_smbus_read_byte_data(client, 0x02) << 8) +
@@ -599,9 +562,11 @@ static int vpx3220_probe(struct i2c_client *client,
static int vpx3220_remove(struct i2c_client *client)
{
struct v4l2_subdev *sd = i2c_get_clientdata(client);
+ struct vpx3220 *decoder = to_vpx3220(sd);
v4l2_device_unregister_subdev(sd);
- kfree(to_vpx3220(sd));
+ v4l2_ctrl_handler_free(&decoder->hdl);
+ kfree(decoder);
return 0;
}