@@ -45,6 +45,7 @@
#include <linux/i2c.h>
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
+#include <media/v4l2-ctrls.h>
#include <media/v4l2-chip-ident.h>
#include <media/v4l2-i2c-drv.h>
#include <media/saa7115.h>
@@ -65,16 +66,19 @@ MODULE_PARM_DESC(debug, "Debug level (0-1)");
struct saa711x_state {
struct v4l2_subdev sd;
+ struct v4l2_ctrl_handler hdl;
+
+ struct {
+ /* chroma gain control cluster */
+ struct v4l2_ctrl *agc;
+ struct v4l2_ctrl *gain;
+ };
+
v4l2_std_id std;
int input;
int output;
int enable;
int radio;
- int bright;
- int contrast;
- int hue;
- int sat;
- int chroma_agc;
int width;
int height;
u32 ident;
@@ -90,6 +94,11 @@ static inline struct saa711x_state *to_state(struct v4l2_subdev *sd)
return container_of(sd, struct saa711x_state, sd);
}
+static inline struct v4l2_subdev *to_sd(struct v4l2_ctrl *ctrl)
+{
+ return &container_of(ctrl->handler, struct saa711x_state, hdl)->sd;
+}
+
/* ----------------------------------------------------------------------- */
static inline int saa711x_write(struct v4l2_subdev *sd, u8 reg, u8 value)
@@ -741,96 +750,53 @@ static int saa711x_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
return 0;
}
-static int saa711x_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+static int saa711x_g_volatile_ctrl(struct v4l2_ctrl *ctrl)
{
+ struct v4l2_subdev *sd = to_sd(ctrl);
struct saa711x_state *state = to_state(sd);
- u8 val;
switch (ctrl->id) {
- case V4L2_CID_BRIGHTNESS:
- if (ctrl->value < 0 || ctrl->value > 255) {
- v4l2_err(sd, "invalid brightness setting %d\n", ctrl->value);
- return -ERANGE;
- }
-
- state->bright = ctrl->value;
- saa711x_write(sd, R_0A_LUMA_BRIGHT_CNTL, state->bright);
- break;
-
- case V4L2_CID_CONTRAST:
- if (ctrl->value < 0 || ctrl->value > 127) {
- v4l2_err(sd, "invalid contrast setting %d\n", ctrl->value);
- return -ERANGE;
- }
-
- state->contrast = ctrl->value;
- saa711x_write(sd, R_0B_LUMA_CONTRAST_CNTL, state->contrast);
- break;
-
- case V4L2_CID_SATURATION:
- if (ctrl->value < 0 || ctrl->value > 127) {
- v4l2_err(sd, "invalid saturation setting %d\n", ctrl->value);
- return -ERANGE;
- }
-
- state->sat = ctrl->value;
- saa711x_write(sd, R_0C_CHROMA_SAT_CNTL, state->sat);
- break;
-
- case V4L2_CID_HUE:
- if (ctrl->value < -128 || ctrl->value > 127) {
- v4l2_err(sd, "invalid hue setting %d\n", ctrl->value);
- return -ERANGE;
- }
-
- state->hue = ctrl->value;
- saa711x_write(sd, R_0D_CHROMA_HUE_CNTL, state->hue);
- break;
case V4L2_CID_CHROMA_AGC:
- val = saa711x_read(sd, R_0F_CHROMA_GAIN_CNTL);
- state->chroma_agc = ctrl->value;
- if (ctrl->value)
- val &= 0x7f;
- else
- val |= 0x80;
- saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, val);
+ /* chroma gain cluster */
+ if (state->agc->cur.val)
+ state->gain->cur.val =
+ saa711x_read(sd, R_0F_CHROMA_GAIN_CNTL) & 0x7f;
break;
- case V4L2_CID_CHROMA_GAIN:
- /* Chroma gain cannot be set when AGC is enabled */
- if (state->chroma_agc == 1)
- return -EINVAL;
- saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, ctrl->value | 0x80);
- break;
- default:
- return -EINVAL;
}
-
return 0;
}
-static int saa711x_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
+static int saa711x_s_ctrl(struct v4l2_ctrl *ctrl)
{
+ struct v4l2_subdev *sd = to_sd(ctrl);
struct saa711x_state *state = to_state(sd);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
- ctrl->value = state->bright;
+ saa711x_write(sd, R_0A_LUMA_BRIGHT_CNTL, ctrl->val);
break;
+
case V4L2_CID_CONTRAST:
- ctrl->value = state->contrast;
+ saa711x_write(sd, R_0B_LUMA_CONTRAST_CNTL, ctrl->val);
break;
+
case V4L2_CID_SATURATION:
- ctrl->value = state->sat;
+ saa711x_write(sd, R_0C_CHROMA_SAT_CNTL, ctrl->val);
break;
+
case V4L2_CID_HUE:
- ctrl->value = state->hue;
+ saa711x_write(sd, R_0D_CHROMA_HUE_CNTL, ctrl->val);
break;
+
case V4L2_CID_CHROMA_AGC:
- ctrl->value = state->chroma_agc;
- break;
- case V4L2_CID_CHROMA_GAIN:
- ctrl->value = saa711x_read(sd, R_0F_CHROMA_GAIN_CNTL) & 0x7f;
+ /* chroma gain cluster */
+ if (state->agc->val)
+ saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, state->gain->val);
+ else
+ saa711x_write(sd, R_0F_CHROMA_GAIN_CNTL, state->gain->val | 0x80);
+ v4l2_ctrl_activate(state->gain, !state->agc->val);
break;
+
default:
return -EINVAL;
}
@@ -1229,25 +1195,6 @@ static int saa711x_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
return 0;
}
-static int saa711x_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
-{
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
- case V4L2_CID_CONTRAST:
- case V4L2_CID_SATURATION:
- return v4l2_ctrl_query_fill(qc, 0, 127, 1, 64);
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
- case V4L2_CID_CHROMA_AGC:
- return v4l2_ctrl_query_fill(qc, 0, 1, 1, 1);
- case V4L2_CID_CHROMA_GAIN:
- return v4l2_ctrl_query_fill(qc, 0, 127, 1, 48);
- default:
- return -EINVAL;
- }
-}
-
static int saa711x_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
{
struct saa711x_state *state = to_state(sd);
@@ -1524,17 +1471,27 @@ static int saa711x_log_status(struct v4l2_subdev *sd)
break;
}
v4l2_info(sd, "Width, Height: %d, %d\n", state->width, state->height);
+ v4l2_ctrl_handler_log_status(&state->hdl, sd->name);
return 0;
}
/* ----------------------------------------------------------------------- */
+static const struct v4l2_ctrl_ops saa711x_ctrl_ops = {
+ .s_ctrl = saa711x_s_ctrl,
+ .g_volatile_ctrl = saa711x_g_volatile_ctrl,
+};
+
static const struct v4l2_subdev_core_ops saa711x_core_ops = {
.log_status = saa711x_log_status,
.g_chip_ident = saa711x_g_chip_ident,
- .g_ctrl = saa711x_g_ctrl,
- .s_ctrl = saa711x_s_ctrl,
- .queryctrl = saa711x_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 = saa711x_s_std,
.reset = saa711x_reset,
.s_gpio = saa711x_s_gpio,
@@ -1586,8 +1543,9 @@ static int saa711x_probe(struct i2c_client *client,
{
struct saa711x_state *state;
struct v4l2_subdev *sd;
- int i;
- char name[17];
+ struct v4l2_ctrl_handler *hdl;
+ int i;
+ char name[17];
char chip_id;
int autodetect = !id || id->driver_data == 1;
@@ -1626,15 +1584,38 @@ static int saa711x_probe(struct i2c_client *client,
return -ENOMEM;
sd = &state->sd;
v4l2_i2c_subdev_init(sd, client, &saa711x_ops);
+
+ hdl = &state->hdl;
+ v4l2_ctrl_handler_init(hdl, 6);
+ /* add in ascending ID order */
+ v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 127, 1, 64);
+ v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 127, 1, 64);
+ v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_HUE, -128, 127, 1, 0);
+ state->agc = v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_CHROMA_AGC, 0, 1, 1, 1);
+ state->gain = v4l2_ctrl_new_std(hdl, &saa711x_ctrl_ops,
+ V4L2_CID_CHROMA_GAIN, 0, 127, 1, 40);
+ state->gain->is_volatile = 1;
+ sd->ctrl_handler = hdl;
+ if (hdl->error) {
+ int err = hdl->error;
+
+ v4l2_ctrl_handler_free(hdl);
+ kfree(state);
+ return err;
+ }
+ state->agc->flags |= V4L2_CTRL_FLAG_UPDATE;
+ v4l2_ctrl_cluster(2, &state->agc);
+
state->input = -1;
state->output = SAA7115_IPORT_ON;
state->enable = 1;
state->radio = 0;
- state->bright = 128;
- state->contrast = 64;
- state->hue = 0;
- state->sat = 64;
- state->chroma_agc = 1;
switch (chip_id) {
case '1':
state->ident = V4L2_IDENT_SAA7111;
@@ -1682,6 +1663,7 @@ static int saa711x_probe(struct i2c_client *client,
if (state->ident > V4L2_IDENT_SAA7111A)
saa711x_writeregs(sd, saa7115_init_misc);
saa711x_set_v4lstd(sd, V4L2_STD_NTSC);
+ v4l2_ctrl_handler_setup(hdl);
v4l2_dbg(1, debug, sd, "status: (1E) 0x%02x, (1F) 0x%02x\n",
saa711x_read(sd, R_1E_STATUS_BYTE_1_VD_DEC),
@@ -1696,6 +1678,7 @@ static int saa711x_remove(struct i2c_client *client)
struct v4l2_subdev *sd = i2c_get_clientdata(client);
v4l2_device_unregister_subdev(sd);
+ v4l2_ctrl_handler_free(sd->ctrl_handler);
kfree(to_state(sd));
return 0;
}