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path: root/drivers/media/i2c/mt9v011.c
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Diffstat (limited to 'drivers/media/i2c/mt9v011.c')
-rw-r--r--drivers/media/i2c/mt9v011.c251
1 files changed, 66 insertions, 185 deletions
diff --git a/drivers/media/i2c/mt9v011.c b/drivers/media/i2c/mt9v011.c
index 6bf01ad6276..47e475319a2 100644
--- a/drivers/media/i2c/mt9v011.c
+++ b/drivers/media/i2c/mt9v011.c
@@ -1,7 +1,7 @@
/*
* mt9v011 -Micron 1/4-Inch VGA Digital Image Sensor
*
- * Copyright (c) 2009 Mauro Carvalho Chehab (mchehab@redhat.com)
+ * Copyright (c) 2009 Mauro Carvalho Chehab
* This code is placed under the terms of the GNU General Public License v2
*/
@@ -12,11 +12,11 @@
#include <linux/module.h>
#include <asm/div64.h>
#include <media/v4l2-device.h>
-#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-ctrls.h>
#include <media/mt9v011.h>
MODULE_DESCRIPTION("Micron mt9v011 sensor driver");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
+MODULE_AUTHOR("Mauro Carvalho Chehab");
MODULE_LICENSE("GPL");
static int debug;
@@ -48,68 +48,9 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
#define MT9V011_VERSION 0x8232
#define MT9V011_REV_B_VERSION 0x8243
-/* supported controls */
-static struct v4l2_queryctrl mt9v011_qctrl[] = {
- {
- .id = V4L2_CID_GAIN,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Gain",
- .minimum = 0,
- .maximum = (1 << 12) - 1 - 0x0020,
- .step = 1,
- .default_value = 0x0020,
- .flags = 0,
- }, {
- .id = V4L2_CID_EXPOSURE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Exposure",
- .minimum = 0,
- .maximum = 2047,
- .step = 1,
- .default_value = 0x01fc,
- .flags = 0,
- }, {
- .id = V4L2_CID_RED_BALANCE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Red Balance",
- .minimum = -1 << 9,
- .maximum = (1 << 9) - 1,
- .step = 1,
- .default_value = 0,
- .flags = 0,
- }, {
- .id = V4L2_CID_BLUE_BALANCE,
- .type = V4L2_CTRL_TYPE_INTEGER,
- .name = "Blue Balance",
- .minimum = -1 << 9,
- .maximum = (1 << 9) - 1,
- .step = 1,
- .default_value = 0,
- .flags = 0,
- }, {
- .id = V4L2_CID_HFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Mirror",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- .flags = 0,
- }, {
- .id = V4L2_CID_VFLIP,
- .type = V4L2_CTRL_TYPE_BOOLEAN,
- .name = "Vflip",
- .minimum = 0,
- .maximum = 1,
- .step = 1,
- .default_value = 0,
- .flags = 0,
- }, {
- }
-};
-
struct mt9v011 {
struct v4l2_subdev sd;
+ struct v4l2_ctrl_handler ctrls;
unsigned width, height;
unsigned xtal;
unsigned hflip:1;
@@ -381,99 +322,6 @@ static int mt9v011_reset(struct v4l2_subdev *sd, u32 val)
set_read_mode(sd);
return 0;
-};
-
-static int mt9v011_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct mt9v011 *core = to_mt9v011(sd);
-
- v4l2_dbg(1, debug, sd, "g_ctrl called\n");
-
- switch (ctrl->id) {
- case V4L2_CID_GAIN:
- ctrl->value = core->global_gain;
- return 0;
- case V4L2_CID_EXPOSURE:
- ctrl->value = core->exposure;
- return 0;
- case V4L2_CID_RED_BALANCE:
- ctrl->value = core->red_bal;
- return 0;
- case V4L2_CID_BLUE_BALANCE:
- ctrl->value = core->blue_bal;
- return 0;
- case V4L2_CID_HFLIP:
- ctrl->value = core->hflip ? 1 : 0;
- return 0;
- case V4L2_CID_VFLIP:
- ctrl->value = core->vflip ? 1 : 0;
- return 0;
- }
- return -EINVAL;
-}
-
-static int mt9v011_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
-{
- int i;
-
- v4l2_dbg(1, debug, sd, "queryctrl called\n");
-
- for (i = 0; i < ARRAY_SIZE(mt9v011_qctrl); i++)
- if (qc->id && qc->id == mt9v011_qctrl[i].id) {
- memcpy(qc, &(mt9v011_qctrl[i]),
- sizeof(*qc));
- return 0;
- }
-
- return -EINVAL;
-}
-
-
-static int mt9v011_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
-{
- struct mt9v011 *core = to_mt9v011(sd);
- u8 i, n;
- n = ARRAY_SIZE(mt9v011_qctrl);
-
- for (i = 0; i < n; i++) {
- if (ctrl->id != mt9v011_qctrl[i].id)
- continue;
- if (ctrl->value < mt9v011_qctrl[i].minimum ||
- ctrl->value > mt9v011_qctrl[i].maximum)
- return -ERANGE;
- v4l2_dbg(1, debug, sd, "s_ctrl: id=%d, value=%d\n",
- ctrl->id, ctrl->value);
- break;
- }
-
- switch (ctrl->id) {
- case V4L2_CID_GAIN:
- core->global_gain = ctrl->value;
- break;
- case V4L2_CID_EXPOSURE:
- core->exposure = ctrl->value;
- break;
- case V4L2_CID_RED_BALANCE:
- core->red_bal = ctrl->value;
- break;
- case V4L2_CID_BLUE_BALANCE:
- core->blue_bal = ctrl->value;
- break;
- case V4L2_CID_HFLIP:
- core->hflip = ctrl->value;
- set_read_mode(sd);
- return 0;
- case V4L2_CID_VFLIP:
- core->vflip = ctrl->value;
- set_read_mode(sd);
- return 0;
- default:
- return -EINVAL;
- }
-
- set_balance(sd);
-
- return 0;
}
static int mt9v011_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index,
@@ -558,13 +406,6 @@ static int mt9v011_s_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt
static int mt9v011_g_register(struct v4l2_subdev *sd,
struct v4l2_dbg_register *reg)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (!v4l2_chip_match_i2c_client(client, &reg->match))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
reg->val = mt9v011_read(sd, reg->reg & 0xff);
reg->size = 2;
@@ -572,39 +413,55 @@ static int mt9v011_g_register(struct v4l2_subdev *sd,
}
static int mt9v011_s_register(struct v4l2_subdev *sd,
- struct v4l2_dbg_register *reg)
+ const struct v4l2_dbg_register *reg)
{
- struct i2c_client *client = v4l2_get_subdevdata(sd);
-
- if (!v4l2_chip_match_i2c_client(client, &reg->match))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
mt9v011_write(sd, reg->reg & 0xff, reg->val & 0xffff);
return 0;
}
#endif
-static int mt9v011_g_chip_ident(struct v4l2_subdev *sd,
- struct v4l2_dbg_chip_ident *chip)
+static int mt9v011_s_ctrl(struct v4l2_ctrl *ctrl)
{
- u16 version;
- struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct mt9v011 *core =
+ container_of(ctrl->handler, struct mt9v011, ctrls);
+ struct v4l2_subdev *sd = &core->sd;
- version = mt9v011_read(sd, R00_MT9V011_CHIP_VERSION);
+ switch (ctrl->id) {
+ case V4L2_CID_GAIN:
+ core->global_gain = ctrl->val;
+ break;
+ case V4L2_CID_EXPOSURE:
+ core->exposure = ctrl->val;
+ break;
+ case V4L2_CID_RED_BALANCE:
+ core->red_bal = ctrl->val;
+ break;
+ case V4L2_CID_BLUE_BALANCE:
+ core->blue_bal = ctrl->val;
+ break;
+ case V4L2_CID_HFLIP:
+ core->hflip = ctrl->val;
+ set_read_mode(sd);
+ return 0;
+ case V4L2_CID_VFLIP:
+ core->vflip = ctrl->val;
+ set_read_mode(sd);
+ return 0;
+ default:
+ return -EINVAL;
+ }
- return v4l2_chip_ident_i2c_client(client, chip, V4L2_IDENT_MT9V011,
- version);
+ set_balance(sd);
+ return 0;
}
-static const struct v4l2_subdev_core_ops mt9v011_core_ops = {
- .queryctrl = mt9v011_queryctrl,
- .g_ctrl = mt9v011_g_ctrl,
+static struct v4l2_ctrl_ops mt9v011_ctrl_ops = {
.s_ctrl = mt9v011_s_ctrl,
+};
+
+static const struct v4l2_subdev_core_ops mt9v011_core_ops = {
.reset = mt9v011_reset,
- .g_chip_ident = mt9v011_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = mt9v011_g_register,
.s_register = mt9v011_s_register,
@@ -641,7 +498,7 @@ static int mt9v011_probe(struct i2c_client *c,
I2C_FUNC_SMBUS_READ_BYTE | I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
return -EIO;
- core = kzalloc(sizeof(struct mt9v011), GFP_KERNEL);
+ core = devm_kzalloc(&c->dev, sizeof(struct mt9v011), GFP_KERNEL);
if (!core)
return -ENOMEM;
@@ -654,10 +511,32 @@ static int mt9v011_probe(struct i2c_client *c,
(version != MT9V011_REV_B_VERSION)) {
v4l2_info(sd, "*** unknown micron chip detected (0x%04x).\n",
version);
- kfree(core);
return -EINVAL;
}
+ v4l2_ctrl_handler_init(&core->ctrls, 5);
+ v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
+ V4L2_CID_GAIN, 0, (1 << 12) - 1 - 0x20, 1, 0x20);
+ v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
+ V4L2_CID_EXPOSURE, 0, 2047, 1, 0x01fc);
+ v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
+ V4L2_CID_RED_BALANCE, -(1 << 9), (1 << 9) - 1, 1, 0);
+ v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
+ V4L2_CID_BLUE_BALANCE, -(1 << 9), (1 << 9) - 1, 1, 0);
+ v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(&core->ctrls, &mt9v011_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+
+ if (core->ctrls.error) {
+ int ret = core->ctrls.error;
+
+ v4l2_err(sd, "control initialization error %d\n", ret);
+ v4l2_ctrl_handler_free(&core->ctrls);
+ return ret;
+ }
+ core->sd.ctrl_handler = &core->ctrls;
+
core->global_gain = 0x0024;
core->exposure = 0x01fc;
core->width = 640;
@@ -681,13 +560,15 @@ static int mt9v011_probe(struct i2c_client *c,
static int mt9v011_remove(struct i2c_client *c)
{
struct v4l2_subdev *sd = i2c_get_clientdata(c);
+ struct mt9v011 *core = to_mt9v011(sd);
v4l2_dbg(1, debug, sd,
"mt9v011.c: removing mt9v011 adapter on address 0x%x\n",
c->addr << 1);
v4l2_device_unregister_subdev(sd);
- kfree(to_mt9v011(sd));
+ v4l2_ctrl_handler_free(&core->ctrls);
+
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 08:52:33 +0000